Add notes about current ssh status

Signed-off-by: Kristoffer Dalby <kradalby@kradalby.no>

.dockerignore

@@ -3,6 +3,7 @@
 // development
 integration_test.go
 integration_test/
+!integration_test/etc_embedded_derp/tls/server.crt
 
 Dockerfile*
 docker-compose*

.envrc

@@ -0,0 +1 @@
+use flake

.github/FUNDING.yml

@@ -1,2 +0,0 @@
-ko_fi: kradalby
-github: [kradalby]

.github/ISSUE_TEMPLATE/bug_report.md

@@ -6,6 +6,8 @@ labels: ["bug"]
 assignees: ""
 ---
 
+<!-- Headscale is a multinational community across the globe. Our common language is English. Please consider raising the bug report in this language. -->
+
 **Bug description**
 
 <!-- A clear and concise description of what the bug is. Describe the expected bahavior

.github/ISSUE_TEMPLATE/config.yml

@@ -7,5 +7,5 @@ contact_links:
     url: "https://github.com/juanfont/headscale/blob/main/docs"
     about: "Find documentation about how to configure and run headscale."
   - name: "headscale Discord community"
-    url: "https://discord.com/invite/XcQxk2VHjx"
+    url: "https://discord.gg/xGj2TuqyxY"
     about: "Please ask and answer questions about usage of headscale here."

.github/ISSUE_TEMPLATE/feature_request.md

@@ -6,6 +6,8 @@ labels: ["enhancement"]
 assignees: ""
 ---
 
+<!-- Headscale is a multinational community across the globe. Our common language is English. Please consider raising the feature request in this language. -->
+
 **Feature request**
 
 <!-- A clear and precise description of what new or changed feature you want. -->

.github/ISSUE_TEMPLATE/other_issue.md

@@ -6,6 +6,8 @@ labels: ["bug"]
 assignees: ""
 ---
 
+<!-- Headscale is a multinational community across the globe. Our common language is English. Please consider raising the issue in this language. -->
+
 <!-- If you have a question, please consider using our Discord for asking questions -->
 
 **Issue description**

.github/pull_request_template.md

@@ -1,6 +1,6 @@
 <!-- Please tick if the following things apply. You… -->
 
-- [ ] read the [CONTRIBUTING guidelines](README.md#user-content-contributing)
+- [ ] read the [CONTRIBUTING guidelines](README.md#contributing)
 - [ ] raised a GitHub issue or discussed it on the projects chat beforehand
 - [ ] added unit tests
 - [ ] added integration tests

.github/workflows/build.yml

@@ -13,39 +13,30 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 2
 
       - name: Get changed files
         id: changed-files
-        uses: tj-actions/changed-files@v14.1
+        uses: tj-actions/changed-files@v34
         with:
           files: |
+            *.nix
             go.*
             **/*.go
             integration_test/
             config-example.yaml
 
-      - name: Setup Go
+      - uses: cachix/install-nix-action@v16
         if: steps.changed-files.outputs.any_changed == 'true'
-        uses: actions/setup-go@v2
-        with:
-          go-version: "1.17.7"
-
-      - name: Install dependencies
-        if: steps.changed-files.outputs.any_changed == 'true'
-        run: |
-          go version
-          sudo apt update
-          sudo apt install -y make
 
       - name: Run build
         if: steps.changed-files.outputs.any_changed == 'true'
-        run: make build
+        run: nix build
 
       - uses: actions/upload-artifact@v2
         if: steps.changed-files.outputs.any_changed == 'true'
         with:
           name: headscale-linux
-          path: headscale
+          path: result/bin/headscale

.github/workflows/contributors.yml

@@ -9,7 +9,7 @@ jobs:
   add-contributors:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Delete upstream contributor branch
         # Allow continue on failure to account for when the
         # upstream branch is deleted or does not exist.

.github/workflows/lint.yml

@@ -1,5 +1,5 @@
 ---
-name: CI
+name: Lint
 
 on: [push, pull_request]
 
@@ -7,15 +7,16 @@ jobs:
   golangci-lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 2
 
       - name: Get changed files
         id: changed-files
-        uses: tj-actions/changed-files@v14.1
+        uses: tj-actions/changed-files@v34
         with:
           files: |
+            *.nix
             go.*
             **/*.go
             integration_test/
@@ -25,7 +26,7 @@ jobs:
         if: steps.changed-files.outputs.any_changed == 'true'
         uses: golangci/golangci-lint-action@v2
         with:
-          version: latest
+          version: v1.49.0
 
           # Only block PRs on new problems.
           # If this is not enabled, we will end up having PRs
@@ -45,6 +46,7 @@ jobs:
         uses: tj-actions/changed-files@v14.1
         with:
           files: |
+            *.nix
             **/*.md
             **/*.yml
             **/*.yaml
@@ -68,7 +70,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: bufbuild/buf-setup-action@v0.7.0
+      - uses: bufbuild/buf-setup-action@v1.7.0
       - uses: bufbuild/buf-lint-action@v1
         with:
           input: "proto"

.github/workflows/release.yml

@@ -1,5 +1,5 @@
 ---
-name: release
+name: Release
 
 on:
   push:
@@ -12,13 +12,13 @@ jobs:
     runs-on: ubuntu-18.04 # due to CGO we need to user an older version
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Set up Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v3
         with:
-          go-version: 1.17.7
+          go-version: 1.19.0
 
       - name: Install dependencies
         run: |
@@ -37,7 +37,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Set up Docker Buildx
@@ -65,8 +65,8 @@ jobs:
             type=semver,pattern={{version}}
             type=semver,pattern={{major}}.{{minor}}
             type=semver,pattern={{major}}
-            type=raw,value=latest
             type=sha
+            type=raw,value=develop
       - name: Login to DockerHub
         uses: docker/login-action@v1
         with:
@@ -89,6 +89,8 @@ jobs:
           platforms: linux/amd64,linux/arm64
           cache-from: type=local,src=/tmp/.buildx-cache
           cache-to: type=local,dest=/tmp/.buildx-cache-new
+          build-args: |
+            VERSION=${{ steps.meta.outputs.version }}
       - name: Prepare cache for next build
         run: |
           rm -rf /tmp/.buildx-cache
@@ -98,7 +100,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Set up Docker Buildx
@@ -123,13 +125,13 @@ jobs:
             ${{ secrets.DOCKERHUB_USERNAME }}/headscale
             ghcr.io/${{ github.repository_owner }}/headscale
           flavor: |
-            latest=false
+            suffix=-debug,onlatest=true
           tags: |
-            type=semver,pattern={{version}}-debug
-            type=semver,pattern={{major}}.{{minor}}-debug
-            type=semver,pattern={{major}}-debug
-            type=raw,value=latest-debug
-            type=sha,suffix=-debug
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+            type=sha
+            type=raw,value=develop
       - name: Login to DockerHub
         uses: docker/login-action@v1
         with:
@@ -153,71 +155,9 @@ jobs:
           platforms: linux/amd64,linux/arm64
           cache-from: type=local,src=/tmp/.buildx-cache-debug
           cache-to: type=local,dest=/tmp/.buildx-cache-debug-new
+          build-args: |
+            VERSION=${{ steps.meta-debug.outputs.version }}
       - name: Prepare cache for next build
         run: |
           rm -rf /tmp/.buildx-cache-debug
           mv /tmp/.buildx-cache-debug-new /tmp/.buildx-cache-debug
-
-  docker-alpine-release:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-        with:
-          fetch-depth: 0
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
-      - name: Set up QEMU for multiple platforms
-        uses: docker/setup-qemu-action@master
-        with:
-          platforms: arm64,amd64
-      - name: Cache Docker layers
-        uses: actions/cache@v2
-        with:
-          path: /tmp/.buildx-cache-alpine
-          key: ${{ runner.os }}-buildx-alpine-${{ github.sha }}
-          restore-keys: |
-            ${{ runner.os }}-buildx-alpine-
-      - name: Docker meta
-        id: meta-alpine
-        uses: docker/metadata-action@v3
-        with:
-          # list of Docker images to use as base name for tags
-          images: |
-            ${{ secrets.DOCKERHUB_USERNAME }}/headscale
-            ghcr.io/${{ github.repository_owner }}/headscale
-          flavor: |
-            latest=false
-          tags: |
-            type=semver,pattern={{version}}-alpine
-            type=semver,pattern={{major}}.{{minor}}-alpine
-            type=semver,pattern={{major}}-alpine
-            type=raw,value=latest-alpine
-            type=sha,suffix=-alpine
-      - name: Login to DockerHub
-        uses: docker/login-action@v1
-        with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
-      - name: Login to GHCR
-        uses: docker/login-action@v1
-        with:
-          registry: ghcr.io
-          username: ${{ github.repository_owner }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-      - name: Build and push
-        id: docker_build
-        uses: docker/build-push-action@v2
-        with:
-          push: true
-          context: .
-          file: Dockerfile.alpine
-          tags: ${{ steps.meta-alpine.outputs.tags }}
-          labels: ${{ steps.meta-alpine.outputs.labels }}
-          platforms: linux/amd64,linux/arm64
-          cache-from: type=local,src=/tmp/.buildx-cache-alpine
-          cache-to: type=local,dest=/tmp/.buildx-cache-alpine-new
-      - name: Prepare cache for next build
-        run: |
-          rm -rf /tmp/.buildx-cache-alpine
-          mv /tmp/.buildx-cache-alpine-new /tmp/.buildx-cache-alpine

.github/workflows/renovatebot.yml

@@ -1,27 +0,0 @@
----
-name: Renovate
-on:
-  schedule:
-    - cron: "* * 5,20 * *" # Every 5th and 20th of the month
-  workflow_dispatch:
-jobs:
-  renovate:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Get token
-        id: get_token
-        uses: machine-learning-apps/actions-app-token@master
-        with:
-          APP_PEM: ${{ secrets.RENOVATEBOT_SECRET }}
-          APP_ID: ${{ secrets.RENOVATEBOT_APP_ID }}
-
-      - name: Checkout
-        uses: actions/checkout@v2.0.0
-
-      - name: Self-hosted Renovate
-        uses: renovatebot/github-action@v31.81.3
-        with:
-          configurationFile: .github/renovate.json
-          token: "x-access-token:${{ steps.get_token.outputs.app_token }}"
-        # env:
-        #  LOG_LEVEL: "debug"

.github/workflows/test-integration-cli.yml

@@ -1,32 +1,35 @@
-name: CI
+name: Integration Test CLI
 
 on: [pull_request]
 
 jobs:
-  integration-test:
+  integration-test-cli:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 2
 
+      - name: Set Swap Space
+        uses: pierotofy/set-swap-space@master
+        with:
+          swap-size-gb: 10
+
       - name: Get changed files
         id: changed-files
-        uses: tj-actions/changed-files@v14.1
+        uses: tj-actions/changed-files@v34
         with:
           files: |
+            *.nix
             go.*
             **/*.go
             integration_test/
             config-example.yaml
 
-      - name: Setup Go
+      - uses: cachix/install-nix-action@v16
         if: steps.changed-files.outputs.any_changed == 'true'
-        uses: actions/setup-go@v2
-        with:
-          go-version: "1.17.7"
 
-      - name: Run Integration tests
+      - name: Run CLI integration tests
         if: steps.changed-files.outputs.any_changed == 'true'
-        run: make test_integration
+        run: nix develop --command -- make test_integration_cli

.github/workflows/test-integration-derp.yml

@@ -0,0 +1,35 @@
+name: Integration Test DERP
+
+on: [pull_request]
+
+jobs:
+  integration-test-derp:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 2
+
+      - name: Set Swap Space
+        uses: pierotofy/set-swap-space@master
+        with:
+          swap-size-gb: 10
+
+      - name: Get changed files
+        id: changed-files
+        uses: tj-actions/changed-files@v34
+        with:
+          files: |
+            *.nix
+            go.*
+            **/*.go
+            integration_test/
+            config-example.yaml
+
+      - uses: cachix/install-nix-action@v16
+        if: steps.changed-files.outputs.any_changed == 'true'
+
+      - name: Run Embedded DERP server integration tests
+        if: steps.changed-files.outputs.any_changed == 'true'
+        run: nix develop --command -- make test_integration_derp

.github/workflows/test-integration-v2-kradalby.yml

@@ -0,0 +1,27 @@
+name: Integration Test v2 - kradalby
+
+on: [pull_request]
+
+jobs:
+  integration-test-v2-kradalby:
+    runs-on: [self-hosted, linux, x64, nixos, docker]
+
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 2
+
+      - name: Get changed files
+        id: changed-files
+        uses: tj-actions/changed-files@v34
+        with:
+          files: |
+            *.nix
+            go.*
+            **/*.go
+            integration_test/
+            config-example.yaml
+
+      - name: Run general integration tests
+        if: steps.changed-files.outputs.any_changed == 'true'
+        run: nix develop --command -- make test_integration_v2_general

.github/workflows/test.yml

@@ -1,4 +1,4 @@
-name: CI
+name: Tests
 
 on: [push, pull_request]
 
@@ -7,37 +7,24 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 2
 
       - name: Get changed files
         id: changed-files
-        uses: tj-actions/changed-files@v14.1
+        uses: tj-actions/changed-files@v34
         with:
           files: |
+            *.nix
             go.*
             **/*.go
             integration_test/
             config-example.yaml
 
-      - name: Setup Go
+      - uses: cachix/install-nix-action@v16
         if: steps.changed-files.outputs.any_changed == 'true'
-        uses: actions/setup-go@v2
-        with:
-          go-version: "1.17.7"
-
-      - name: Install dependencies
-        if: steps.changed-files.outputs.any_changed == 'true'
-        run: |
-          go version
-          sudo apt update
-          sudo apt install -y make
 
       - name: Run tests
         if: steps.changed-files.outputs.any_changed == 'true'
-        run: make test
-
-      - name: Run build
-        if: steps.changed-files.outputs.any_changed == 'true'
-        run: make
+        run: nix develop --check

.gitignore

@@ -27,3 +27,9 @@ derp.yaml
 .idea
 
 test_output/ 
+
+# Nix build output
+result
+.direnv/
+
+integration_test/etc/config.dump.yaml

.golangci.yaml

@@ -1,6 +1,8 @@
 ---
 run:
   timeout: 10m
+  build-tags:
+    - ts2019
 
 issues:
   skip-dirs:
@@ -24,6 +26,9 @@ linters:
     - tagliatelle
     - godox
     - ireturn
+    - execinquery
+    - exhaustruct
+    - nolintlint
 
     # We should strive to enable these:
     - wrapcheck
@@ -31,6 +36,9 @@ linters:
     - makezero
     - maintidx
 
+    # Limits the methods of an interface to 10. We have more in integration tests
+    - interfacebloat
+
     # We might want to enable this, but it might be a lot of work
     - cyclop
     - nestif

.goreleaser.yml

@@ -1,7 +1,7 @@
 ---
 before:
   hooks:
-    - go mod tidy -compat=1.17
+    - go mod tidy -compat=1.19
 
 release:
   prerelease: auto
@@ -20,22 +20,24 @@ builds:
       - -mod=readonly
     ldflags:
       - -s -w -X github.com/juanfont/headscale/cmd/headscale/cli.Version=v{{.Version}}
+    tags:
+      - ts2019
 
-  - id: linux-armhf
+  - id: darwin-arm64
     main: ./cmd/headscale/headscale.go
     mod_timestamp: "{{ .CommitTimestamp }}"
     env:
       - CGO_ENABLED=0
     goos:
-      - linux
+      - darwin
     goarch:
-      - arm
-    goarm:
-      - "7"
+      - arm64
     flags:
       - -mod=readonly
     ldflags:
       - -s -w -X github.com/juanfont/headscale/cmd/headscale/cli.Version=v{{.Version}}
+    tags:
+      - ts2019
 
   - id: linux-amd64
     mod_timestamp: "{{ .CommitTimestamp }}"
@@ -48,6 +50,8 @@ builds:
     main: ./cmd/headscale/headscale.go
     ldflags:
       - -s -w -X github.com/juanfont/headscale/cmd/headscale/cli.Version=v{{.Version}}
+    tags:
+      - ts2019
 
   - id: linux-arm64
     mod_timestamp: "{{ .CommitTimestamp }}"
@@ -60,12 +64,14 @@ builds:
     main: ./cmd/headscale/headscale.go
     ldflags:
       - -s -w -X github.com/juanfont/headscale/cmd/headscale/cli.Version=v{{.Version}}
+    tags:
+      - ts2019
 
 archives:
   - id: golang-cross
     builds:
       - darwin-amd64
-      - linux-armhf
+      - darwin-arm64
       - linux-amd64
       - linux-arm64
     name_template: "{{ .ProjectName }}_{{ .Version }}_{{ .Os }}_{{ .Arch }}"

CHANGELOG.md

@@ -1,6 +1,111 @@
 # CHANGELOG
 
-## 0.15.0 (2022-xx-xx)
+## 0.17.0 (2022-XX-XX)
+
+### BREAKING
+
+- Log level option `log_level` was moved to a distinct `log` config section and renamed to `level` [#768](https://github.com/juanfont/headscale/pull/768)
+- Removed Alpine Linux container image [#962](https://github.com/juanfont/headscale/pull/962)
+
+### Changes
+
+- Added support for Tailscale TS2021 protocol [#738](https://github.com/juanfont/headscale/pull/738)
+- Add ability to specify config location via env var `HEADSCALE_CONFIG` [#674](https://github.com/juanfont/headscale/issues/674)
+- Target Go 1.19 for Headscale [#778](https://github.com/juanfont/headscale/pull/778)
+- Target Tailscale v1.30.0 to build Headscale [#780](https://github.com/juanfont/headscale/pull/780)
+- Give a warning when running Headscale with reverse proxy improperly configured for WebSockets [#788](https://github.com/juanfont/headscale/pull/788)
+- Fix subnet routers with Primary Routes [#811](https://github.com/juanfont/headscale/pull/811)
+- Added support for JSON logs [#653](https://github.com/juanfont/headscale/issues/653)
+- Sanitise the node key passed to registration url [#823](https://github.com/juanfont/headscale/pull/823)
+- Add support for generating pre-auth keys with tags [#767](https://github.com/juanfont/headscale/pull/767)
+- Add support for evaluating `autoApprovers` ACL entries when a machine is registered [#763](https://github.com/juanfont/headscale/pull/763)
+- Add config flag to allow Headscale to start if OIDC provider is down [#829](https://github.com/juanfont/headscale/pull/829)
+- Fix prefix length comparison bug in AutoApprovers route evaluation [#862](https://github.com/juanfont/headscale/pull/862)
+- Random node DNS suffix only applied if names collide in namespace. [#766](https://github.com/juanfont/headscale/issues/766)
+- Remove `ip_prefix` configuration option and warning [#899](https://github.com/juanfont/headscale/pull/899)
+- Add `dns_config.override_local_dns` option [#905](https://github.com/juanfont/headscale/pull/905)
+- Fix some DNS config issues [#660](https://github.com/juanfont/headscale/issues/660)
+- Make it possible to disable TS2019 with build flag [#928](https://github.com/juanfont/headscale/pull/928)
+- Fix OIDC registration issues [#960](https://github.com/juanfont/headscale/pull/960) and [#971](https://github.com/juanfont/headscale/pull/971)
+- Add support for specifying NextDNS DNS-over-HTTPS resolver [#940](https://github.com/juanfont/headscale/pull/940)
+- Make more sslmode available for postgresql connection [#927](https://github.com/juanfont/headscale/pull/927)
+- Add experimental support for [SSH ACL](https://tailscale.com/kb/1018/acls/#tailscale-ssh) (see docs for limitations) [#847](https://github.com/juanfont/headscale/pull/847)
+  - Please note that this support should be considered _partially_ implemented
+  - SSH ACLs status:
+    - Support `accept` and `check` (SSH can be enabled and used for connecting and authentication)
+    - Rejecting connections **are not supported**, meaning that if you enable SSH, then assume that _all_ `ssh` connections **will be allowed**.
+    - If you decied to try this feature, please carefully managed permissions by blocking port `22` with regular ACLs or do _not_ set `--ssh` on your clients.
+    - We are currently improving our testing of the SSH ACLs, help us get an overview by testing and giving feedback.
+  - This feature should be considered dangerous and it is disabled by default. Enable by setting `HEADSCALE_EXPERIMENTAL_FEATURE_SSH=1`.
+
+## 0.16.4 (2022-08-21)
+
+### Changes
+
+- Add ability to connect to PostgreSQL over TLS/SSL [#745](https://github.com/juanfont/headscale/pull/745)
+- Fix CLI registration of expired machines [#754](https://github.com/juanfont/headscale/pull/754)
+
+## 0.16.3 (2022-08-17)
+
+### Changes
+
+- Fix issue with OIDC authentication [#747](https://github.com/juanfont/headscale/pull/747)
+
+## 0.16.2 (2022-08-14)
+
+### Changes
+
+- Fixed bugs in the client registration process after migration to NodeKey [#735](https://github.com/juanfont/headscale/pull/735)
+
+## 0.16.1 (2022-08-12)
+
+### Changes
+
+- Updated dependencies (including the library that lacked armhf support) [#722](https://github.com/juanfont/headscale/pull/722)
+- Fix missing group expansion in function `excludeCorretlyTaggedNodes` [#563](https://github.com/juanfont/headscale/issues/563)
+- Improve registration protocol implementation and switch to NodeKey as main identifier [#725](https://github.com/juanfont/headscale/pull/725)
+- Add ability to connect to PostgreSQL via unix socket [#734](https://github.com/juanfont/headscale/pull/734)
+
+## 0.16.0 (2022-07-25)
+
+**Note:** Take a backup of your database before upgrading.
+
+### BREAKING
+
+- Old ACL syntax is no longer supported ("users" & "ports" -> "src" & "dst"). Please check [the new syntax](https://tailscale.com/kb/1018/acls/).
+
+### Changes
+
+- **Drop** armhf (32-bit ARM) support. [#609](https://github.com/juanfont/headscale/pull/609)
+- Headscale fails to serve if the ACL policy file cannot be parsed [#537](https://github.com/juanfont/headscale/pull/537)
+- Fix labels cardinality error when registering unknown pre-auth key [#519](https://github.com/juanfont/headscale/pull/519)
+- Fix send on closed channel crash in polling [#542](https://github.com/juanfont/headscale/pull/542)
+- Fixed spurious calls to setLastStateChangeToNow from ephemeral nodes [#566](https://github.com/juanfont/headscale/pull/566)
+- Add command for moving nodes between namespaces [#362](https://github.com/juanfont/headscale/issues/362)
+- Added more configuration parameters for OpenID Connect (scopes, free-form paramters, domain and user allowlist)
+- Add command to set tags on a node [#525](https://github.com/juanfont/headscale/issues/525)
+- Add command to view tags of nodes [#356](https://github.com/juanfont/headscale/issues/356)
+- Add --all (-a) flag to enable routes command [#360](https://github.com/juanfont/headscale/issues/360)
+- Fix issue where nodes was not updated across namespaces [#560](https://github.com/juanfont/headscale/pull/560)
+- Add the ability to rename a nodes name [#560](https://github.com/juanfont/headscale/pull/560)
+  - Node DNS names are now unique, a random suffix will be added when a node joins
+  - This change contains database changes, remember to **backup** your database before upgrading
+- Add option to enable/disable logtail (Tailscale's logging infrastructure) [#596](https://github.com/juanfont/headscale/pull/596)
+  - This change disables the logs by default
+- Use [Prometheus]'s duration parser, supporting days (`d`), weeks (`w`) and years (`y`) [#598](https://github.com/juanfont/headscale/pull/598)
+- Add support for reloading ACLs with SIGHUP [#601](https://github.com/juanfont/headscale/pull/601)
+- Use new ACL syntax [#618](https://github.com/juanfont/headscale/pull/618)
+- Add -c option to specify config file from command line [#285](https://github.com/juanfont/headscale/issues/285) [#612](https://github.com/juanfont/headscale/pull/601)
+- Add configuration option to allow Tailscale clients to use a random WireGuard port. [kb/1181/firewalls](https://tailscale.com/kb/1181/firewalls) [#624](https://github.com/juanfont/headscale/pull/624)
+- Improve obtuse UX regarding missing configuration (`ephemeral_node_inactivity_timeout` not set) [#639](https://github.com/juanfont/headscale/pull/639)
+- Fix nodes being shown as 'offline' in `tailscale status` [#648](https://github.com/juanfont/headscale/pull/648)
+- Improve shutdown behaviour [#651](https://github.com/juanfont/headscale/pull/651)
+- Drop Gin as web framework in Headscale [648](https://github.com/juanfont/headscale/pull/648) [677](https://github.com/juanfont/headscale/pull/677)
+- Make tailnet node updates check interval configurable [#675](https://github.com/juanfont/headscale/pull/675)
+- Fix regression with HTTP API [#684](https://github.com/juanfont/headscale/pull/684)
+- nodes ls now print both Hostname and Name(Issue [#647](https://github.com/juanfont/headscale/issues/647) PR [#687](https://github.com/juanfont/headscale/pull/687))
+
+## 0.15.0 (2022-03-20)
 
 **Note:** Take a backup of your database before upgrading.
 
@@ -19,6 +124,7 @@
 - Users can now use emails in ACL's groups [#372](https://github.com/juanfont/headscale/issues/372)
 - Add shorthand aliases for commands and subcommands [#376](https://github.com/juanfont/headscale/pull/376)
 - Add `/windows` endpoint for Windows configuration instructions + registry file download [#392](https://github.com/juanfont/headscale/pull/392)
+- Added embedded DERP (and STUN) server into Headscale [#388](https://github.com/juanfont/headscale/pull/388)
 
 ### Changes
 
@@ -28,6 +134,8 @@
 - Fix a limitation in the ACLs that prevented users to write rules with `*` as source [#374](https://github.com/juanfont/headscale/issues/374)
 - Reduce the overhead of marshal/unmarshal for Hostinfo, routes and endpoints by using specific types in Machine [#371](https://github.com/juanfont/headscale/pull/371)
 - Apply normalization function to FQDN on hostnames when hosts registers and retrieve informations [#363](https://github.com/juanfont/headscale/issues/363)
+- Fix a bug that prevented the use of `tailscale logout` with OIDC [#508](https://github.com/juanfont/headscale/issues/508)
+- Added Tailscale repo HEAD and unstable releases channel to the integration tests targets [#513](https://github.com/juanfont/headscale/pull/513)
 
 ## 0.14.0 (2022-02-24)
 
@@ -66,7 +174,7 @@ This is a part of aligning `headscale`'s behaviour with Tailscale's upstream beh
 - OpenID Connect users will be mapped per namespaces
   - Each user will get its own namespace, created if it does not exist
   - `oidc.domain_map` option has been removed
-  - `strip_email_domain` option has been added (see [config-example.yaml](./config_example.yaml))
+  - `strip_email_domain` option has been added (see [config-example.yaml](./config-example.yaml))
 
 ### Changes
 

CODE_OF_CONDUCT.md

@@ -0,0 +1,134 @@
+# Contributor Covenant Code of Conduct
+
+## Our Pledge
+
+We as members, contributors, and leaders pledge to make participation
+in our community a harassment-free experience for everyone, regardless
+of age, body size, visible or invisible disability, ethnicity, sex
+characteristics, gender identity and expression, level of experience,
+education, socio-economic status, nationality, personal appearance,
+race, religion, or sexual identity and orientation.
+
+We pledge to act and interact in ways that contribute to an open,
+welcoming, diverse, inclusive, and healthy community.
+
+## Our Standards
+
+Examples of behavior that contributes to a positive environment for
+our community include:
+
+- Demonstrating empathy and kindness toward other people
+- Being respectful of differing opinions, viewpoints, and experiences
+- Giving and gracefully accepting constructive feedback
+- Accepting responsibility and apologizing to those affected by our
+  mistakes, and learning from the experience
+- Focusing on what is best not just for us as individuals, but for the
+  overall community
+
+Examples of unacceptable behavior include:
+
+- The use of sexualized language or imagery, and sexual attention or
+  advances of any kind
+- Trolling, insulting or derogatory comments, and personal or
+  political attacks
+- Public or private harassment
+- Publishing others' private information, such as a physical or email
+  address, without their explicit permission
+- Other conduct which could reasonably be considered inappropriate in
+  a professional setting
+
+## Enforcement Responsibilities
+
+Community leaders are responsible for clarifying and enforcing our
+standards of acceptable behavior and will take appropriate and fair
+corrective action in response to any behavior that they deem
+inappropriate, threatening, offensive, or harmful.
+
+Community leaders have the right and responsibility to remove, edit,
+or reject comments, commits, code, wiki edits, issues, and other
+contributions that are not aligned to this Code of Conduct, and will
+communicate reasons for moderation decisions when appropriate.
+
+## Scope
+
+This Code of Conduct applies within all community spaces, and also
+applies when an individual is officially representing the community in
+public spaces. Examples of representing our community include using an
+official e-mail address, posting via an official social media account,
+or acting as an appointed representative at an online or offline
+event.
+
+## Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior
+may be reported to the community leaders responsible for enforcement
+at our Discord channel. All complaints
+will be reviewed and investigated promptly and fairly.
+
+All community leaders are obligated to respect the privacy and
+security of the reporter of any incident.
+
+## Enforcement Guidelines
+
+Community leaders will follow these Community Impact Guidelines in
+determining the consequences for any action they deem in violation of
+this Code of Conduct:
+
+### 1. Correction
+
+**Community Impact**: Use of inappropriate language or other behavior
+deemed unprofessional or unwelcome in the community.
+
+**Consequence**: A private, written warning from community leaders,
+providing clarity around the nature of the violation and an
+explanation of why the behavior was inappropriate. A public apology
+may be requested.
+
+### 2. Warning
+
+**Community Impact**: A violation through a single incident or series
+of actions.
+
+**Consequence**: A warning with consequences for continued
+behavior. No interaction with the people involved, including
+unsolicited interaction with those enforcing the Code of Conduct, for
+a specified period of time. This includes avoiding interactions in
+community spaces as well as external channels like social
+media. Violating these terms may lead to a temporary or permanent ban.
+
+### 3. Temporary Ban
+
+**Community Impact**: A serious violation of community standards,
+including sustained inappropriate behavior.
+
+**Consequence**: A temporary ban from any sort of interaction or
+public communication with the community for a specified period of
+time. No public or private interaction with the people involved,
+including unsolicited interaction with those enforcing the Code of
+Conduct, is allowed during this period. Violating these terms may lead
+to a permanent ban.
+
+### 4. Permanent Ban
+
+**Community Impact**: Demonstrating a pattern of violation of
+community standards, including sustained inappropriate behavior,
+harassment of an individual, or aggression toward or disparagement of
+classes of individuals.
+
+**Consequence**: A permanent ban from any sort of public interaction
+within the community.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor
+Covenant][homepage], version 2.0, available at
+https://www.contributor-covenant.org/version/2/0/code_of_conduct.html.
+
+Community Impact Guidelines were inspired by [Mozilla's code of
+conduct enforcement ladder](https://github.com/mozilla/diversity).
+
+[homepage]: https://www.contributor-covenant.org
+
+For answers to common questions about this code of conduct, see the
+FAQ at https://www.contributor-covenant.org/faq. Translations are
+available at https://www.contributor-covenant.org/translations.

Dockerfile

@@ -1,5 +1,6 @@
 # Builder image
-FROM docker.io/golang:1.17.8-bullseye AS build
+FROM docker.io/golang:1.19.0-bullseye AS build
+ARG VERSION=dev
 ENV GOPATH /go
 WORKDIR /go/src/headscale
 
@@ -8,7 +9,7 @@ RUN go mod download
 
 COPY . .
 
-RUN GGO_ENABLED=0 GOOS=linux go install -a ./cmd/headscale
+RUN CGO_ENABLED=0 GOOS=linux go install -tags ts2019 -ldflags="-s -w -X github.com/juanfont/headscale/cmd/headscale/cli.Version=$VERSION" -a ./cmd/headscale
 RUN strip /go/bin/headscale
 RUN test -e /go/bin/headscale
 

Dockerfile.alpine

@@ -1,23 +0,0 @@
-# Builder image
-FROM docker.io/golang:1.17.8-alpine AS build
-ENV GOPATH /go
-WORKDIR /go/src/headscale
-
-COPY go.mod go.sum /go/src/headscale/
-RUN apk add gcc musl-dev
-RUN go mod download
-
-COPY . .
-
-RUN GGO_ENABLED=0 GOOS=linux go install -a ./cmd/headscale
-RUN strip /go/bin/headscale
-RUN test -e /go/bin/headscale
-
-# Production image
-FROM docker.io/alpine:latest
-
-COPY --from=build /go/bin/headscale /bin/headscale
-ENV TZ UTC
-
-EXPOSE 8080/tcp
-CMD ["headscale"]

Dockerfile.debug

@@ -1,5 +1,6 @@
 # Builder image
-FROM docker.io/golang:1.17.8-bullseye AS build
+FROM docker.io/golang:1.19.0-bullseye AS build
+ARG VERSION=dev
 ENV GOPATH /go
 WORKDIR /go/src/headscale
 
@@ -8,11 +9,11 @@ RUN go mod download
 
 COPY . .
 
-RUN GGO_ENABLED=0 GOOS=linux go install -a ./cmd/headscale
+RUN CGO_ENABLED=0 GOOS=linux go install -tags ts2019 -ldflags="-s -w -X github.com/juanfont/headscale/cmd/headscale/cli.Version=$VERSION" -a ./cmd/headscale
 RUN test -e /go/bin/headscale
 
 # Debug image
-FROM gcr.io/distroless/base-debian11:debug
+FROM docker.io/golang:1.19.0-bullseye
 
 COPY --from=build /go/bin/headscale /bin/headscale
 ENV TZ UTC

Dockerfile.tailscale

@@ -1,11 +1,19 @@
 FROM ubuntu:latest
 
-ARG TAILSCALE_VERSION
+ARG TAILSCALE_VERSION=*
+ARG TAILSCALE_CHANNEL=stable
 
 RUN apt-get update \
-    && apt-get install -y gnupg curl \
-    && curl -fsSL https://pkgs.tailscale.com/stable/ubuntu/focal.gpg | apt-key add - \
-    && curl -fsSL https://pkgs.tailscale.com/stable/ubuntu/focal.list | tee /etc/apt/sources.list.d/tailscale.list \
+    && apt-get install -y gnupg curl ssh \
+    && curl -fsSL https://pkgs.tailscale.com/${TAILSCALE_CHANNEL}/ubuntu/focal.gpg | apt-key add - \
+    && curl -fsSL https://pkgs.tailscale.com/${TAILSCALE_CHANNEL}/ubuntu/focal.list | tee /etc/apt/sources.list.d/tailscale.list \
     && apt-get update \
-    && apt-get install -y tailscale=${TAILSCALE_VERSION} dnsutils \
+    && apt-get install -y ca-certificates tailscale=${TAILSCALE_VERSION} dnsutils \
     && rm -rf /var/lib/apt/lists/*
+
+RUN adduser --shell=/bin/bash ssh-it-user
+
+ADD integration_test/etc_embedded_derp/tls/server.crt /usr/local/share/ca-certificates/
+RUN chmod 644 /usr/local/share/ca-certificates/server.crt
+
+RUN update-ca-certificates

Dockerfile.tailscale-HEAD

@@ -0,0 +1,24 @@
+FROM golang:latest
+
+RUN apt-get update \
+    && apt-get install -y ca-certificates dnsutils git iptables ssh \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN useradd --shell=/bin/bash --create-home ssh-it-user
+
+RUN git clone https://github.com/tailscale/tailscale.git
+
+WORKDIR /go/tailscale
+
+RUN git checkout main
+
+RUN sh build_dist.sh tailscale.com/cmd/tailscale
+RUN sh build_dist.sh tailscale.com/cmd/tailscaled
+
+RUN cp tailscale /usr/local/bin/
+RUN cp tailscaled /usr/local/bin/
+
+ADD integration_test/etc_embedded_derp/tls/server.crt /usr/local/share/ca-certificates/
+RUN chmod 644 /usr/local/share/ca-certificates/server.crt
+
+RUN update-ca-certificates

Makefile

@@ -1,8 +1,17 @@
 # Calculate version
-version = $(shell ./scripts/version-at-commit.sh)
+version ?= $(shell git describe --always --tags --dirty)
 
 rwildcard=$(foreach d,$(wildcard $1*),$(call rwildcard,$d/,$2) $(filter $(subst *,%,$2),$d))
 
+# Determine if OS supports pie
+GOOS ?= $(shell uname | tr '[:upper:]' '[:lower:]')
+ifeq ($(filter $(GOOS), openbsd netbsd soloaris plan9), )
+	pieflags = -buildmode=pie
+else
+endif
+
+TAGS = -tags ts2019
+
 # GO_SOURCES = $(wildcard *.go)
 # PROTO_SOURCES = $(wildcard **/*.proto)
 GO_SOURCES = $(call rwildcard,,*.go)
@@ -10,18 +19,44 @@ PROTO_SOURCES = $(call rwildcard,,*.proto)
 
 
 build:
-	GGO_ENABLED=0 go build -ldflags "-s -w -X github.com/juanfont/headscale/cmd/headscale/cli.Version=$(version)" cmd/headscale/headscale.go
+	nix build
 
 dev: lint test build
 
 test:
-	@go test -coverprofile=coverage.out ./...
+	@go test $(TAGS) -short -coverprofile=coverage.out ./...
 
-test_integration:
-	go test -failfast -tags integration -timeout 30m -count=1 ./...
+test_integration: test_integration_cli test_integration_derp test_integration_oidc test_integration_v2_general
 
 test_integration_cli:
-	go test -tags integration -v integration_cli_test.go integration_common_test.go
+	docker network rm $$(docker network ls --filter name=headscale --quiet) || true
+	docker network create headscale-test || true
+	docker run -t --rm \
+		--network headscale-test \
+		-v ~/.cache/hs-integration-go:/go \
+		-v $$PWD:$$PWD -w $$PWD \
+		-v /var/run/docker.sock:/var/run/docker.sock golang:1 \
+		go test $(TAGS) -failfast -timeout 30m -count=1 -run IntegrationCLI ./...
+
+test_integration_derp:
+	docker network rm $$(docker network ls --filter name=headscale --quiet) || true
+	docker network create headscale-test || true
+	docker run -t --rm \
+		--network headscale-test \
+		-v ~/.cache/hs-integration-go:/go \
+		-v $$PWD:$$PWD -w $$PWD \
+		-v /var/run/docker.sock:/var/run/docker.sock golang:1 \
+		go test $(TAGS) -failfast -timeout 30m -count=1 -run IntegrationDERP ./...
+
+test_integration_v2_general:
+	docker run \
+		-t --rm \
+		-v ~/.cache/hs-integration-go:/go \
+		--name headscale-test-suite \
+		-v $$PWD:$$PWD -w $$PWD/integration \
+		-v /var/run/docker.sock:/var/run/docker.sock \
+		golang:1 \
+		go test $(TAGS) -failfast ./... -timeout 120m -parallel 8
 
 coverprofile_func:
 	go tool cover -func=coverage.out
@@ -38,14 +73,14 @@ fmt:
 	clang-format -style="{BasedOnStyle: Google, IndentWidth: 4, AlignConsecutiveDeclarations: true, AlignConsecutiveAssignments: true, ColumnLimit: 0}" -i $(PROTO_SOURCES)
 
 proto-lint:
-	cd proto/ && buf lint
+	cd proto/ && go run github.com/bufbuild/buf/cmd/buf lint
 
 compress: build
 	upx --brute headscale
 
 generate:
 	rm -rf gen
-	buf generate proto
+	go run github.com/bufbuild/buf/cmd/buf generate proto
 
 install-protobuf-plugins:
 	go install \

README.md

@@ -1,10 +1,10 @@
-# headscale
+![headscale logo](./docs/logo/headscale3_header_stacked_left.png)
 
 ![ci](https://github.com/juanfont/headscale/actions/workflows/test.yml/badge.svg)
 
 An open source, self-hosted implementation of the Tailscale control server.
 
-Join our [Discord](https://discord.gg/XcQxk2VHjx) server for a chat.
+Join our [Discord](https://discord.gg/c84AZQhmpx) server for a chat.
 
 **Note:** Always select the same GitHub tag as the released version you use
 to ensure you have the correct example configuration and documentation.
@@ -28,7 +28,7 @@ and exposes the advertised routes of your nodes.
 
 A [Tailscale network (tailnet)](https://tailscale.com/kb/1136/tailnet/) is private
 network which Tailscale assigns to a user in terms of private users or an
-organisations.
+organisation.
 
 ## Design goal
 
@@ -63,18 +63,19 @@ one of the maintainers.
 - Dual stack (IPv4 and IPv6)
 - Routing advertising (including exit nodes)
 - Ephemeral nodes
+- Embedded [DERP server](https://tailscale.com/blog/how-tailscale-works/#encrypted-tcp-relays-derp)
 
 ## Client OS support
 
-| OS      | Supports headscale                                                                                                |
-| ------- | ----------------------------------------------------------------------------------------------------------------- |
-| Linux   | Yes                                                                                                               |
-| OpenBSD | Yes                                                                                                               |
-| FreeBSD | Yes                                                                                                               |
-| macOS   | Yes (see `/apple` on your headscale for more information)                                                         |
-| Windows | Yes [docs](./docs/windows-client.md)                                                                              |
-| Android | [You need to compile the client yourself](https://github.com/juanfont/headscale/issues/58#issuecomment-885255270) |
-| iOS     | Not yet                                                                                                           |
+| OS      | Supports headscale                                        |
+| ------- | --------------------------------------------------------- |
+| Linux   | Yes                                                       |
+| OpenBSD | Yes                                                       |
+| FreeBSD | Yes                                                       |
+| macOS   | Yes (see `/apple` on your headscale for more information) |
+| Windows | Yes [docs](./docs/windows-client.md)                      |
+| Android | Yes [docs](./docs/android-client.md)                      |
+| iOS     | Not yet                                                   |
 
 ## Running headscale
 
@@ -90,6 +91,10 @@ Please have a look at the documentation under [`docs/`](docs/).
 To contribute to headscale you would need the lastest version of [Go](https://golang.org)
 and [Buf](https://buf.build)(Protobuf generator).
 
+We recommend using [Nix](https://nixos.org/) to setup a development environment. This can
+be done with `nix develop`, which will install the tools and give you a shell.
+This guarantees that you will have the same dev env as `headscale` maintainers.
+
 PRs and suggestions are welcome.
 
 ### Code style
@@ -114,10 +119,12 @@ Check out the `.golangci.yaml` and `Makefile` to see the specific configuration.
 
 - Go
 - Buf
-- Protobuf tools:
+- Protobuf tools
+
+Install and activate:
 
 ```shell
-make install-protobuf-plugins
+nix develop
 ```
 
 ### Testing and building
@@ -139,6 +146,12 @@ make test
 
 To build the program:
 
+```shell
+nix build
+```
+
+or
+
 ```shell
 make build
 ```
@@ -176,26 +189,26 @@ make build
         </a>
     </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
-        <a href=https://github.com/ohdearaugustin>
-            <img src=https://avatars.githubusercontent.com/u/14001491?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=ohdearaugustin/>
+        <a href=https://github.com/huskyii>
+            <img src=https://avatars.githubusercontent.com/u/5499746?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Jiang Zhu/>
             <br />
-            <sub style="font-size:14px"><b>ohdearaugustin</b></sub>
+            <sub style="font-size:14px"><b>Jiang Zhu</b></sub>
         </a>
     </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
-        <a href=https://github.com/arch4ngel>
-            <img src=https://avatars.githubusercontent.com/u/11574161?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Justin Angel/>
+        <a href=https://github.com/tsujamin>
+            <img src=https://avatars.githubusercontent.com/u/2435619?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Benjamin Roberts/>
             <br />
-            <sub style="font-size:14px"><b>Justin Angel</b></sub>
+            <sub style="font-size:14px"><b>Benjamin Roberts</b></sub>
         </a>
     </td>
 </tr>
 <tr>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
-        <a href=https://github.com/ItalyPaleAle>
-            <img src=https://avatars.githubusercontent.com/u/43508?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Alessandro (Ale) Segala/>
+        <a href=https://github.com/reynico>
+            <img src=https://avatars.githubusercontent.com/u/715768?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Nico/>
             <br />
-            <sub style="font-size:14px"><b>Alessandro (Ale) Segala</b></sub>
+            <sub style="font-size:14px"><b>Nico</b></sub>
         </a>
     </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
@@ -205,6 +218,20 @@ make build
             <sub style="font-size:14px"><b>e-zk</b></sub>
         </a>
     </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/arch4ngel>
+            <img src=https://avatars.githubusercontent.com/u/11574161?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Justin Angel/>
+            <br />
+            <sub style="font-size:14px"><b>Justin Angel</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/ItalyPaleAle>
+            <img src=https://avatars.githubusercontent.com/u/43508?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Alessandro (Ale) Segala/>
+            <br />
+            <sub style="font-size:14px"><b>Alessandro (Ale) Segala</b></sub>
+        </a>
+    </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/unreality>
             <img src=https://avatars.githubusercontent.com/u/352522?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=unreality/>
@@ -213,10 +240,47 @@ make build
         </a>
     </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
-        <a href=https://github.com/reynico>
-            <img src=https://avatars.githubusercontent.com/u/715768?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Nico/>
+        <a href=https://github.com/ohdearaugustin>
+            <img src=https://avatars.githubusercontent.com/u/14001491?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=ohdearaugustin/>
             <br />
-            <sub style="font-size:14px"><b>Nico</b></sub>
+            <sub style="font-size:14px"><b>ohdearaugustin</b></sub>
+        </a>
+    </td>
+</tr>
+<tr>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/mpldr>
+            <img src=https://avatars.githubusercontent.com/u/33086936?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Moritz Poldrack/>
+            <br />
+            <sub style="font-size:14px"><b>Moritz Poldrack</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/GrigoriyMikhalkin>
+            <img src=https://avatars.githubusercontent.com/u/3637857?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=GrigoriyMikhalkin/>
+            <br />
+            <sub style="font-size:14px"><b>GrigoriyMikhalkin</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/mike-lloyd03>
+            <img src=https://avatars.githubusercontent.com/u/49411532?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Mike Lloyd/>
+            <br />
+            <sub style="font-size:14px"><b>Mike Lloyd</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/iSchluff>
+            <img src=https://avatars.githubusercontent.com/u/1429641?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Anton Schubert/>
+            <br />
+            <sub style="font-size:14px"><b>Anton Schubert</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/Niek>
+            <img src=https://avatars.githubusercontent.com/u/213140?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Niek van der Maas/>
+            <br />
+            <sub style="font-size:14px"><b>Niek van der Maas</b></sub>
         </a>
     </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
@@ -226,6 +290,15 @@ make build
             <sub style="font-size:14px"><b>Eugen Biegler</b></sub>
         </a>
     </td>
+</tr>
+<tr>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/617a7a>
+            <img src=https://avatars.githubusercontent.com/u/67651251?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Azz/>
+            <br />
+            <sub style="font-size:14px"><b>Azz</b></sub>
+        </a>
+    </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/qbit>
             <img src=https://avatars.githubusercontent.com/u/68368?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Aaron Bieber/>
@@ -233,8 +306,20 @@ make build
             <sub style="font-size:14px"><b>Aaron Bieber</b></sub>
         </a>
     </td>
-</tr>
-<tr>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/kazauwa>
+            <img src=https://avatars.githubusercontent.com/u/12330159?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Igor Perepilitsyn/>
+            <br />
+            <sub style="font-size:14px"><b>Igor Perepilitsyn</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/Aluxima>
+            <img src=https://avatars.githubusercontent.com/u/16262531?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Laurent Marchaud/>
+            <br />
+            <sub style="font-size:14px"><b>Laurent Marchaud</b></sub>
+        </a>
+    </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/fdelucchijr>
             <img src=https://avatars.githubusercontent.com/u/69133647?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Fernando De Lucchi/>
@@ -243,12 +328,58 @@ make build
         </a>
     </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
-        <a href=https://github.com/hdhoang>
-            <img src=https://avatars.githubusercontent.com/u/12537?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Hoàng Đức Hiếu/>
+        <a href=https://github.com/OrvilleQ>
+            <img src=https://avatars.githubusercontent.com/u/21377465?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Orville Q. Song/>
             <br />
-            <sub style="font-size:14px"><b>Hoàng Đức Hiếu</b></sub>
+            <sub style="font-size:14px"><b>Orville Q. Song</b></sub>
         </a>
     </td>
+</tr>
+<tr>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/hdhoang>
+            <img src=https://avatars.githubusercontent.com/u/12537?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=hdhoang/>
+            <br />
+            <sub style="font-size:14px"><b>hdhoang</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/bravechamp>
+            <img src=https://avatars.githubusercontent.com/u/48980452?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=bravechamp/>
+            <br />
+            <sub style="font-size:14px"><b>bravechamp</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/deonthomasgy>
+            <img src=https://avatars.githubusercontent.com/u/150036?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Deon Thomas/>
+            <br />
+            <sub style="font-size:14px"><b>Deon Thomas</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/madjam002>
+            <img src=https://avatars.githubusercontent.com/u/679137?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Jamie Greeff/>
+            <br />
+            <sub style="font-size:14px"><b>Jamie Greeff</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/ChibangLW>
+            <img src=https://avatars.githubusercontent.com/u/22293464?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=ChibangLW/>
+            <br />
+            <sub style="font-size:14px"><b>ChibangLW</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/mevansam>
+            <img src=https://avatars.githubusercontent.com/u/403630?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Mevan Samaratunga/>
+            <br />
+            <sub style="font-size:14px"><b>Mevan Samaratunga</b></sub>
+        </a>
+    </td>
+</tr>
+<tr>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/dragetd>
             <img src=https://avatars.githubusercontent.com/u/3639577?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Michael G./>
@@ -263,6 +394,36 @@ make build
             <sub style="font-size:14px"><b>Paul Tötterman</b></sub>
         </a>
     </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/samson4649>
+            <img src=https://avatars.githubusercontent.com/u/12725953?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Samuel Lock/>
+            <br />
+            <sub style="font-size:14px"><b>Samuel Lock</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/majst01>
+            <img src=https://avatars.githubusercontent.com/u/410110?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Stefan Majer/>
+            <br />
+            <sub style="font-size:14px"><b>Stefan Majer</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/kevin1sMe>
+            <img src=https://avatars.githubusercontent.com/u/6886076?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=kevinlin/>
+            <br />
+            <sub style="font-size:14px"><b>kevinlin</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/artemklevtsov>
+            <img src=https://avatars.githubusercontent.com/u/603798?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Artem Klevtsov/>
+            <br />
+            <sub style="font-size:14px"><b>Artem Klevtsov</b></sub>
+        </a>
+    </td>
+</tr>
+<tr>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/cmars>
             <img src=https://avatars.githubusercontent.com/u/23741?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Casey Marshall/>
@@ -270,6 +431,20 @@ make build
             <sub style="font-size:14px"><b>Casey Marshall</b></sub>
         </a>
     </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/CNLHC>
+            <img src=https://avatars.githubusercontent.com/u/21005146?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=LiuHanCheng/>
+            <br />
+            <sub style="font-size:14px"><b>LiuHanCheng</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/pvinis>
+            <img src=https://avatars.githubusercontent.com/u/100233?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Pavlos Vinieratos/>
+            <br />
+            <sub style="font-size:14px"><b>Pavlos Vinieratos</b></sub>
+        </a>
+    </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/SilverBut>
             <img src=https://avatars.githubusercontent.com/u/6560655?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Silver Bullet/>
@@ -277,15 +452,22 @@ make build
             <sub style="font-size:14px"><b>Silver Bullet</b></sub>
         </a>
     </td>
-</tr>
-<tr>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
-        <a href=https://github.com/majst01>
-            <img src=https://avatars.githubusercontent.com/u/410110?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Stefan Majer/>
+        <a href=https://github.com/snh>
+            <img src=https://avatars.githubusercontent.com/u/2051768?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Steven Honson/>
             <br />
-            <sub style="font-size:14px"><b>Stefan Majer</b></sub>
+            <sub style="font-size:14px"><b>Steven Honson</b></sub>
         </a>
     </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/ratsclub>
+            <img src=https://avatars.githubusercontent.com/u/25647735?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Victor Freire/>
+            <br />
+            <sub style="font-size:14px"><b>Victor Freire</b></sub>
+        </a>
+    </td>
+</tr>
+<tr>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/lachy2849>
             <img src=https://avatars.githubusercontent.com/u/98844035?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=lachy2849/>
@@ -308,10 +490,33 @@ make build
         </a>
     </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
-        <a href=https://github.com/artemklevtsov>
-            <img src=https://avatars.githubusercontent.com/u/603798?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Artem Klevtsov/>
+        <a href=https://github.com/puzpuzpuz>
+            <img src=https://avatars.githubusercontent.com/u/37772591?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Andrei Pechkurov/>
             <br />
-            <sub style="font-size:14px"><b>Artem Klevtsov</b></sub>
+            <sub style="font-size:14px"><b>Andrei Pechkurov</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/apognu>
+            <img src=https://avatars.githubusercontent.com/u/3017182?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Antoine POPINEAU/>
+            <br />
+            <sub style="font-size:14px"><b>Antoine POPINEAU</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/aofei>
+            <img src=https://avatars.githubusercontent.com/u/5037285?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Aofei Sheng/>
+            <br />
+            <sub style="font-size:14px"><b>Aofei Sheng</b></sub>
+        </a>
+    </td>
+</tr>
+<tr>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/arnarg>
+            <img src=https://avatars.githubusercontent.com/u/1291396?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Arnar/>
+            <br />
+            <sub style="font-size:14px"><b>Arnar</b></sub>
         </a>
     </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
@@ -321,8 +526,6 @@ make build
             <sub style="font-size:14px"><b>Arthur Woimbée</b></sub>
         </a>
     </td>
-</tr>
-<tr>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/stensonb>
             <img src=https://avatars.githubusercontent.com/u/933389?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Bryan Stenson/>
@@ -330,6 +533,20 @@ make build
             <sub style="font-size:14px"><b>Bryan Stenson</b></sub>
         </a>
     </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/yangchuansheng>
+            <img src=https://avatars.githubusercontent.com/u/15308462?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt= Carson Yang/>
+            <br />
+            <sub style="font-size:14px"><b> Carson Yang</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/kundel>
+            <img src=https://avatars.githubusercontent.com/u/10158899?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=kundel/>
+            <br />
+            <sub style="font-size:14px"><b>kundel</b></sub>
+        </a>
+    </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/fkr>
             <img src=https://avatars.githubusercontent.com/u/51063?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Felix Kronlage-Dammers/>
@@ -337,6 +554,8 @@ make build
             <sub style="font-size:14px"><b>Felix Kronlage-Dammers</b></sub>
         </a>
     </td>
+</tr>
+<tr>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/felixonmars>
             <img src=https://avatars.githubusercontent.com/u/1006477?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Felix Yan/>
@@ -351,13 +570,6 @@ make build
             <sub style="font-size:14px"><b>JJGadgets</b></sub>
         </a>
     </td>
-    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
-        <a href=https://github.com/madjam002>
-            <img src=https://avatars.githubusercontent.com/u/679137?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Jamie Greeff/>
-            <br />
-            <sub style="font-size:14px"><b>Jamie Greeff</b></sub>
-        </a>
-    </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/jimt>
             <img src=https://avatars.githubusercontent.com/u/180326?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Jim Tittsler/>
@@ -365,8 +577,13 @@ make build
             <sub style="font-size:14px"><b>Jim Tittsler</b></sub>
         </a>
     </td>
-</tr>
-<tr>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/ShadowJonathan>
+            <img src=https://avatars.githubusercontent.com/u/22740616?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Jonathan de Jong/>
+            <br />
+            <sub style="font-size:14px"><b>Jonathan de Jong</b></sub>
+        </a>
+    </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/piec>
             <img src=https://avatars.githubusercontent.com/u/781471?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Pierre Carru/>
@@ -374,6 +591,15 @@ make build
             <sub style="font-size:14px"><b>Pierre Carru</b></sub>
         </a>
     </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/nnsee>
+            <img src=https://avatars.githubusercontent.com/u/36747857?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Rasmus Moorats/>
+            <br />
+            <sub style="font-size:14px"><b>Rasmus Moorats</b></sub>
+        </a>
+    </td>
+</tr>
+<tr>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/rcursaru>
             <img src=https://avatars.githubusercontent.com/u/16259641?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=rcursaru/>
@@ -381,6 +607,13 @@ make build
             <sub style="font-size:14px"><b>rcursaru</b></sub>
         </a>
     </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/renovate-bot>
+            <img src=https://avatars.githubusercontent.com/u/25180681?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Mend Renovate/>
+            <br />
+            <sub style="font-size:14px"><b>Mend Renovate</b></sub>
+        </a>
+    </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/ryanfowler>
             <img src=https://avatars.githubusercontent.com/u/2668821?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Ryan Fowler/>
@@ -395,6 +628,22 @@ make build
             <sub style="font-size:14px"><b>Shaanan Cohney</b></sub>
         </a>
     </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/stefanvanburen>
+            <img src=https://avatars.githubusercontent.com/u/622527?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Stefan VanBuren/>
+            <br />
+            <sub style="font-size:14px"><b>Stefan VanBuren</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/sophware>
+            <img src=https://avatars.githubusercontent.com/u/41669?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=sophware/>
+            <br />
+            <sub style="font-size:14px"><b>sophware</b></sub>
+        </a>
+    </td>
+</tr>
+<tr>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/m-tanner-dev0>
             <img src=https://avatars.githubusercontent.com/u/97977342?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Tanner/>
@@ -409,8 +658,6 @@ make build
             <sub style="font-size:14px"><b>Teteros</b></sub>
         </a>
     </td>
-</tr>
-<tr>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/gitter-badger>
             <img src=https://avatars.githubusercontent.com/u/8518239?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=The Gitter Badger/>
@@ -425,6 +672,13 @@ make build
             <sub style="font-size:14px"><b>Tianon Gravi</b></sub>
         </a>
     </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/thetillhoff>
+            <img src=https://avatars.githubusercontent.com/u/25052289?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Till Hoffmann/>
+            <br />
+            <sub style="font-size:14px"><b>Till Hoffmann</b></sub>
+        </a>
+    </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/woudsma>
             <img src=https://avatars.githubusercontent.com/u/6162978?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Tjerk Woudsma/>
@@ -432,6 +686,22 @@ make build
             <sub style="font-size:14px"><b>Tjerk Woudsma</b></sub>
         </a>
     </td>
+</tr>
+<tr>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/y0ngb1n>
+            <img src=https://avatars.githubusercontent.com/u/25719408?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Yang Bin/>
+            <br />
+            <sub style="font-size:14px"><b>Yang Bin</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/gozssky>
+            <img src=https://avatars.githubusercontent.com/u/17199941?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Yujie Xia/>
+            <br />
+            <sub style="font-size:14px"><b>Yujie Xia</b></sub>
+        </a>
+    </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/zekker6>
             <img src=https://avatars.githubusercontent.com/u/1367798?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Zakhar Bessarab/>
@@ -440,10 +710,17 @@ make build
         </a>
     </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
-        <a href=https://github.com/Bpazy>
-            <img src=https://avatars.githubusercontent.com/u/9838749?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=ZiYuan/>
+        <a href=https://github.com/zhzy0077>
+            <img src=https://avatars.githubusercontent.com/u/8717471?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Zhiyuan Zheng/>
             <br />
-            <sub style="font-size:14px"><b>ZiYuan</b></sub>
+            <sub style="font-size:14px"><b>Zhiyuan Zheng</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/Bpazy>
+            <img src=https://avatars.githubusercontent.com/u/9838749?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Ziyuan Han/>
+            <br />
+            <sub style="font-size:14px"><b>Ziyuan Han</b></sub>
         </a>
     </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
@@ -455,6 +732,13 @@ make build
     </td>
 </tr>
 <tr>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/nning>
+            <img src=https://avatars.githubusercontent.com/u/557430?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=henning mueller/>
+            <br />
+            <sub style="font-size:14px"><b>henning mueller</b></sub>
+        </a>
+    </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/ignoramous>
             <img src=https://avatars.githubusercontent.com/u/852289?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=ignoramous/>
@@ -463,10 +747,24 @@ make build
         </a>
     </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
-        <a href=https://github.com/lion24>
-            <img src=https://avatars.githubusercontent.com/u/1382102?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=lion24/>
+        <a href=https://github.com/magichuihui>
+            <img src=https://avatars.githubusercontent.com/u/10866198?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=suhelen/>
             <br />
-            <sub style="font-size:14px"><b>lion24</b></sub>
+            <sub style="font-size:14px"><b>suhelen</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/lion24>
+            <img src=https://avatars.githubusercontent.com/u/1382102?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=sharkonet/>
+            <br />
+            <sub style="font-size:14px"><b>sharkonet</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/manju-rn>
+            <img src=https://avatars.githubusercontent.com/u/26291847?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=manju-rn/>
+            <br />
+            <sub style="font-size:14px"><b>manju-rn</b></sub>
         </a>
     </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
@@ -476,6 +774,15 @@ make build
             <sub style="font-size:14px"><b>pernila</b></sub>
         </a>
     </td>
+</tr>
+<tr>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/phpmalik>
+            <img src=https://avatars.githubusercontent.com/u/26834645?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=phpmalik/>
+            <br />
+            <sub style="font-size:14px"><b>phpmalik</b></sub>
+        </a>
+    </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/Wakeful-Cloud>
             <img src=https://avatars.githubusercontent.com/u/38930607?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Wakeful-Cloud/>

acls.go

@@ -2,17 +2,20 @@ package headscale
 
 import (
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io"
+	"net/netip"
 	"os"
 	"path/filepath"
 	"strconv"
 	"strings"
+	"time"
 
 	"github.com/rs/zerolog/log"
 	"github.com/tailscale/hujson"
 	"gopkg.in/yaml.v3"
-	"inet.af/netaddr"
+	"tailscale.com/envknob"
 	"tailscale.com/tailcfg"
 )
 
@@ -22,6 +25,7 @@ const (
 	errInvalidGroup      = Error("invalid group")
 	errInvalidTag        = Error("invalid tag")
 	errInvalidPortFormat = Error("invalid port format")
+	errWildcardIsNeeded  = Error("wildcard as port is required for the protocol")
 )
 
 const (
@@ -35,6 +39,25 @@ const (
 	expectedTokenItems = 2
 )
 
+// For some reason golang.org/x/net/internal/iana is an internal package.
+const (
+	protocolICMP     = 1   // Internet Control Message
+	protocolIGMP     = 2   // Internet Group Management
+	protocolIPv4     = 4   // IPv4 encapsulation
+	protocolTCP      = 6   // Transmission Control
+	protocolEGP      = 8   // Exterior Gateway Protocol
+	protocolIGP      = 9   // any private interior gateway (used by Cisco for their IGRP)
+	protocolUDP      = 17  // User Datagram
+	protocolGRE      = 47  // Generic Routing Encapsulation
+	protocolESP      = 50  // Encap Security Payload
+	protocolAH       = 51  // Authentication Header
+	protocolIPv6ICMP = 58  // ICMP for IPv6
+	protocolSCTP     = 132 // Stream Control Transmission Protocol
+	ProtocolFC       = 133 // Fibre Channel
+)
+
+var featureEnableSSH = envknob.RegisterBool("HEADSCALE_EXPERIMENTAL_FEATURE_SSH")
+
 // LoadACLPolicy loads the ACL policy from the specify path, and generates the ACL rules.
 func (h *Headscale) LoadACLPolicy(path string) error {
 	log.Debug().
@@ -101,6 +124,20 @@ func (h *Headscale) UpdateACLRules() error {
 	log.Trace().Interface("ACL", rules).Msg("ACL rules generated")
 	h.aclRules = rules
 
+	if featureEnableSSH() {
+		sshRules, err := h.generateSSHRules()
+		if err != nil {
+			return err
+		}
+		log.Trace().Interface("SSH", sshRules).Msg("SSH rules generated")
+		if h.sshPolicy == nil {
+			h.sshPolicy = &tailcfg.SSHPolicy{}
+		}
+		h.sshPolicy.Rules = sshRules
+	} else if h.aclPolicy != nil && len(h.aclPolicy.SSHs) > 0 {
+		log.Info().Msg("SSH ACLs has been defined, but HEADSCALE_EXPERIMENTAL_FEATURE_SSH is not enabled, this is a unstable feature, check docs before activating")
+	}
+
 	return nil
 }
 
@@ -122,23 +159,36 @@ func (h *Headscale) generateACLRules() ([]tailcfg.FilterRule, error) {
 		}
 
 		srcIPs := []string{}
-		for innerIndex, user := range acl.Users {
-			srcs, err := h.generateACLPolicySrcIP(machines, *h.aclPolicy, user)
+		for innerIndex, src := range acl.Sources {
+			srcs, err := h.generateACLPolicySrcIP(machines, *h.aclPolicy, src)
 			if err != nil {
 				log.Error().
-					Msgf("Error parsing ACL %d, User %d", index, innerIndex)
+					Msgf("Error parsing ACL %d, Source %d", index, innerIndex)
 
 				return nil, err
 			}
 			srcIPs = append(srcIPs, srcs...)
 		}
 
+		protocols, needsWildcard, err := parseProtocol(acl.Protocol)
+		if err != nil {
+			log.Error().
+				Msgf("Error parsing ACL %d. protocol unknown %s", index, acl.Protocol)
+
+			return nil, err
+		}
+
 		destPorts := []tailcfg.NetPortRange{}
-		for innerIndex, ports := range acl.Ports {
-			dests, err := h.generateACLPolicyDestPorts(machines, *h.aclPolicy, ports)
+		for innerIndex, dest := range acl.Destinations {
+			dests, err := h.generateACLPolicyDest(
+				machines,
+				*h.aclPolicy,
+				dest,
+				needsWildcard,
+			)
 			if err != nil {
 				log.Error().
-					Msgf("Error parsing ACL %d, Port %d", index, innerIndex)
+					Msgf("Error parsing ACL %d, Destination %d", index, innerIndex)
 
 				return nil, err
 			}
@@ -148,26 +198,133 @@ func (h *Headscale) generateACLRules() ([]tailcfg.FilterRule, error) {
 		rules = append(rules, tailcfg.FilterRule{
 			SrcIPs:   srcIPs,
 			DstPorts: destPorts,
+			IPProto:  protocols,
 		})
 	}
 
 	return rules, nil
 }
 
+func (h *Headscale) generateSSHRules() ([]*tailcfg.SSHRule, error) {
+	rules := []*tailcfg.SSHRule{}
+
+	if h.aclPolicy == nil {
+		return nil, errEmptyPolicy
+	}
+
+	machines, err := h.ListMachines()
+	if err != nil {
+		return nil, err
+	}
+
+	acceptAction := tailcfg.SSHAction{
+		Message:                  "",
+		Reject:                   false,
+		Accept:                   true,
+		SessionDuration:          0,
+		AllowAgentForwarding:     false,
+		HoldAndDelegate:          "",
+		AllowLocalPortForwarding: true,
+	}
+
+	rejectAction := tailcfg.SSHAction{
+		Message:                  "",
+		Reject:                   true,
+		Accept:                   false,
+		SessionDuration:          0,
+		AllowAgentForwarding:     false,
+		HoldAndDelegate:          "",
+		AllowLocalPortForwarding: false,
+	}
+
+	for index, sshACL := range h.aclPolicy.SSHs {
+		action := rejectAction
+		switch sshACL.Action {
+		case "accept":
+			action = acceptAction
+		case "check":
+			checkAction, err := sshCheckAction(sshACL.CheckPeriod)
+			if err != nil {
+				log.Error().
+					Msgf("Error parsing SSH %d, check action with unparsable duration '%s'", index, sshACL.CheckPeriod)
+			} else {
+				action = *checkAction
+			}
+		default:
+			log.Error().
+				Msgf("Error parsing SSH %d, unknown action '%s'", index, sshACL.Action)
+
+			return nil, err
+		}
+
+		principals := make([]*tailcfg.SSHPrincipal, 0, len(sshACL.Sources))
+		for innerIndex, rawSrc := range sshACL.Sources {
+			expandedSrcs, err := expandAlias(
+				machines,
+				*h.aclPolicy,
+				rawSrc,
+				h.cfg.OIDC.StripEmaildomain,
+			)
+			if err != nil {
+				log.Error().
+					Msgf("Error parsing SSH %d, Source %d", index, innerIndex)
+
+				return nil, err
+			}
+			for _, expandedSrc := range expandedSrcs {
+				principals = append(principals, &tailcfg.SSHPrincipal{
+					NodeIP: expandedSrc,
+				})
+			}
+		}
+
+		userMap := make(map[string]string, len(sshACL.Users))
+		for _, user := range sshACL.Users {
+			userMap[user] = "="
+		}
+		rules = append(rules, &tailcfg.SSHRule{
+			RuleExpires: nil,
+			Principals:  principals,
+			SSHUsers:    userMap,
+			Action:      &action,
+		})
+	}
+
+	return rules, nil
+}
+
+func sshCheckAction(duration string) (*tailcfg.SSHAction, error) {
+	sessionLength, err := time.ParseDuration(duration)
+	if err != nil {
+		return nil, err
+	}
+
+	return &tailcfg.SSHAction{
+		Message:                  "",
+		Reject:                   false,
+		Accept:                   true,
+		SessionDuration:          sessionLength,
+		AllowAgentForwarding:     false,
+		HoldAndDelegate:          "",
+		AllowLocalPortForwarding: true,
+	}, nil
+}
+
 func (h *Headscale) generateACLPolicySrcIP(
 	machines []Machine,
 	aclPolicy ACLPolicy,
-	u string,
+	src string,
 ) ([]string, error) {
-	return expandAlias(machines, aclPolicy, u, h.cfg.OIDC.StripEmaildomain)
+	return expandAlias(machines, aclPolicy, src, h.cfg.OIDC.StripEmaildomain)
 }
 
-func (h *Headscale) generateACLPolicyDestPorts(
+func (h *Headscale) generateACLPolicyDest(
 	machines []Machine,
 	aclPolicy ACLPolicy,
-	d string,
+	dest string,
+	needsWildcard bool,
 ) ([]tailcfg.NetPortRange, error) {
-	tokens := strings.Split(d, ":")
+	tokens := strings.Split(dest, ":")
 	if len(tokens) < expectedTokenItems || len(tokens) > 3 {
 		return nil, errInvalidPortFormat
 	}
@@ -194,7 +351,7 @@ func (h *Headscale) generateACLPolicyDestPorts(
 	if err != nil {
 		return nil, err
 	}
-	ports, err := expandPorts(tokens[len(tokens)-1])
+	ports, err := expandPorts(tokens[len(tokens)-1], needsWildcard)
 	if err != nil {
 		return nil, err
 	}
@@ -213,6 +370,61 @@ func (h *Headscale) generateACLPolicyDestPorts(
 	return dests, nil
 }
 
+// parseProtocol reads the proto field of the ACL and generates a list of
+// protocols that will be allowed, following the IANA IP protocol number
+// https://www.iana.org/assignments/protocol-numbers/protocol-numbers.xhtml
+//
+// If the ACL proto field is empty, it allows ICMPv4, ICMPv6, TCP, and UDP,
+// as per Tailscale behaviour (see tailcfg.FilterRule).
+//
+// Also returns a boolean indicating if the protocol
+// requires all the destinations to use wildcard as port number (only TCP,
+// UDP and SCTP support specifying ports).
+func parseProtocol(protocol string) ([]int, bool, error) {
+	switch protocol {
+	case "":
+		return []int{
+			protocolICMP,
+			protocolIPv6ICMP,
+			protocolTCP,
+			protocolUDP,
+		}, false, nil
+	case "igmp":
+		return []int{protocolIGMP}, true, nil
+	case "ipv4", "ip-in-ip":
+		return []int{protocolIPv4}, true, nil
+	case "tcp":
+		return []int{protocolTCP}, false, nil
+	case "egp":
+		return []int{protocolEGP}, true, nil
+	case "igp":
+		return []int{protocolIGP}, true, nil
+	case "udp":
+		return []int{protocolUDP}, false, nil
+	case "gre":
+		return []int{protocolGRE}, true, nil
+	case "esp":
+		return []int{protocolESP}, true, nil
+	case "ah":
+		return []int{protocolAH}, true, nil
+	case "sctp":
+		return []int{protocolSCTP}, false, nil
+	case "icmp":
+		return []int{protocolICMP, protocolIPv6ICMP}, true, nil
+
+	default:
+		protocolNumber, err := strconv.Atoi(protocol)
+		if err != nil {
+			return nil, false, err
+		}
+		needsWildcard := protocolNumber != protocolTCP &&
+			protocolNumber != protocolUDP &&
+			protocolNumber != protocolSCTP
+
+		return []int{protocolNumber}, needsWildcard, nil
+	}
+}
+
 // expandalias has an input of either
 // - a namespace
 // - a group
@@ -249,18 +461,38 @@ func expandAlias(
 	}
 
 	if strings.HasPrefix(alias, "tag:") {
+		// check for forced tags
+		for _, machine := range machines {
+			if contains(machine.ForcedTags, alias) {
+				ips = append(ips, machine.IPAddresses.ToStringSlice()...)
+			}
+		}
+
+		// find tag owners
 		owners, err := expandTagOwners(aclPolicy, alias, stripEmailDomain)
 		if err != nil {
-			return ips, err
+			if errors.Is(err, errInvalidTag) {
+				if len(ips) == 0 {
+					return ips, fmt.Errorf(
+						"%w. %v isn't owned by a TagOwner and no forced tags are defined",
+						errInvalidTag,
+						alias,
+					)
+				}
+
+				return ips, nil
+			} else {
+				return ips, err
+			}
 		}
+
+		// filter out machines per tag owner
 		for _, namespace := range owners {
 			machines := filterMachinesByNamespace(machines, namespace)
 			for _, machine := range machines {
 				hi := machine.GetHostInfo()
-				for _, t := range hi.RequestTags {
-					if alias == t {
-						ips = append(ips, machine.IPAddresses.ToStringSlice()...)
-					}
+				if contains(hi.RequestTags, alias) {
+					ips = append(ips, machine.IPAddresses.ToStringSlice()...)
 				}
 			}
 		}
@@ -270,7 +502,7 @@ func expandAlias(
 
 	// if alias is a namespace
 	nodes := filterMachinesByNamespace(machines, alias)
-	nodes = excludeCorrectlyTaggedNodes(aclPolicy, nodes, alias)
+	nodes = excludeCorrectlyTaggedNodes(aclPolicy, nodes, alias, stripEmailDomain)
 
 	for _, n := range nodes {
 		ips = append(ips, n.IPAddresses.ToStringSlice()...)
@@ -285,13 +517,13 @@ func expandAlias(
 	}
 
 	// if alias is an IP
-	ip, err := netaddr.ParseIP(alias)
+	ip, err := netip.ParseAddr(alias)
 	if err == nil {
 		return []string{ip.String()}, nil
 	}
 
 	// if alias is an CIDR
-	cidr, err := netaddr.ParseIPPrefix(alias)
+	cidr, err := netip.ParsePrefix(alias)
 	if err == nil {
 		return []string{cidr.String()}, nil
 	}
@@ -308,11 +540,14 @@ func excludeCorrectlyTaggedNodes(
 	aclPolicy ACLPolicy,
 	nodes []Machine,
 	namespace string,
+	stripEmailDomain bool,
 ) []Machine {
 	out := []Machine{}
 	tags := []string{}
-	for tag, ns := range aclPolicy.TagOwners {
-		if containsString(ns, namespace) {
+	for tag := range aclPolicy.TagOwners {
+		owners, _ := expandTagOwners(aclPolicy, namespace, stripEmailDomain)
+		ns := append(owners, namespace)
+		if contains(ns, namespace) {
 			tags = append(tags, tag)
 		}
 	}
@@ -322,12 +557,15 @@ func excludeCorrectlyTaggedNodes(
 
 		found := false
 		for _, t := range hi.RequestTags {
-			if containsString(tags, t) {
+			if contains(tags, t) {
 				found = true
 
 				break
 			}
 		}
+		if len(machine.ForcedTags) > 0 {
+			found = true
+		}
 		if !found {
 			out = append(out, machine)
 		}
@@ -336,13 +574,17 @@ func excludeCorrectlyTaggedNodes(
 	return out
 }
 
-func expandPorts(portsStr string) (*[]tailcfg.PortRange, error) {
+func expandPorts(portsStr string, needsWildcard bool) (*[]tailcfg.PortRange, error) {
 	if portsStr == "*" {
 		return &[]tailcfg.PortRange{
 			{First: portRangeBegin, Last: portRangeEnd},
 		}, nil
 	}
 
+	if needsWildcard {
+		return nil, errWildcardIsNeeded
+	}
+
 	ports := []tailcfg.PortRange{}
 	for _, portStr := range strings.Split(portsStr, ",") {
 		rang := strings.Split(portStr, "-")

acls_test.go

@@ -2,11 +2,12 @@ package headscale
 
 import (
 	"errors"
+	"net/netip"
 	"reflect"
 	"testing"
 
 	"gopkg.in/check.v1"
-	"inet.af/netaddr"
+	"tailscale.com/envknob"
 	"tailscale.com/tailcfg"
 )
 
@@ -62,47 +63,24 @@ func (s *Suite) TestBasicRule(c *check.C) {
 func (s *Suite) TestInvalidAction(c *check.C) {
 	app.aclPolicy = &ACLPolicy{
 		ACLs: []ACL{
-			{Action: "invalidAction", Users: []string{"*"}, Ports: []string{"*:*"}},
+			{
+				Action:       "invalidAction",
+				Sources:      []string{"*"},
+				Destinations: []string{"*:*"},
+			},
 		},
 	}
 	err := app.UpdateACLRules()
 	c.Assert(errors.Is(err, errInvalidAction), check.Equals, true)
 }
 
-func (s *Suite) TestInvalidGroupInGroup(c *check.C) {
-	// this ACL is wrong because the group in users sections doesn't exist
-	app.aclPolicy = &ACLPolicy{
-		Groups: Groups{
-			"group:test":  []string{"foo"},
-			"group:error": []string{"foo", "group:test"},
-		},
-		ACLs: []ACL{
-			{Action: "accept", Users: []string{"group:error"}, Ports: []string{"*:*"}},
-		},
-	}
-	err := app.UpdateACLRules()
-	c.Assert(errors.Is(err, errInvalidGroup), check.Equals, true)
-}
+func (s *Suite) TestSshRules(c *check.C) {
+	envknob.Setenv("HEADSCALE_EXPERIMENTAL_FEATURE_SSH", "1")
 
-func (s *Suite) TestInvalidTagOwners(c *check.C) {
-	// this ACL is wrong because no tagOwners own the requested tag for the server
-	app.aclPolicy = &ACLPolicy{
-		ACLs: []ACL{
-			{Action: "accept", Users: []string{"tag:foo"}, Ports: []string{"*:*"}},
-		},
-	}
-	err := app.UpdateACLRules()
-	c.Assert(errors.Is(err, errInvalidTag), check.Equals, true)
-}
-
-// this test should validate that we can expand a group in a TagOWner section and
-// match properly the IP's of the related hosts. The owner is valid and the tag is also valid.
-// the tag is matched in the Users section.
-func (s *Suite) TestValidExpandTagOwnersInUsers(c *check.C) {
 	namespace, err := app.CreateNamespace("user1")
 	c.Assert(err, check.IsNil)
 
-	pak, err := app.CreatePreAuthKey(namespace.Name, false, false, nil)
+	pak, err := app.CreatePreAuthKey(namespace.Name, false, false, nil, nil)
 	c.Assert(err, check.IsNil)
 
 	_, err = app.GetMachine("user1", "testmachine")
@@ -118,8 +96,118 @@ func (s *Suite) TestValidExpandTagOwnersInUsers(c *check.C) {
 		MachineKey:     "foo",
 		NodeKey:        "bar",
 		DiscoKey:       "faa",
-		Name:           "testmachine",
-		IPAddresses:    MachineAddresses{netaddr.MustParseIP("100.64.0.1")},
+		Hostname:       "testmachine",
+		IPAddresses:    MachineAddresses{netip.MustParseAddr("100.64.0.1")},
+		NamespaceID:    namespace.ID,
+		RegisterMethod: RegisterMethodAuthKey,
+		AuthKeyID:      uint(pak.ID),
+		HostInfo:       HostInfo(hostInfo),
+	}
+	app.db.Save(&machine)
+
+	app.aclPolicy = &ACLPolicy{
+		Groups: Groups{
+			"group:test": []string{"user1"},
+		},
+		Hosts: Hosts{
+			"client": netip.PrefixFrom(netip.MustParseAddr("100.64.99.42"), 32),
+		},
+		ACLs: []ACL{
+			{
+				Action:       "accept",
+				Sources:      []string{"*"},
+				Destinations: []string{"*:*"},
+			},
+		},
+		SSHs: []SSH{
+			{
+				Action:       "accept",
+				Sources:      []string{"group:test"},
+				Destinations: []string{"client"},
+				Users:        []string{"autogroup:nonroot"},
+			},
+			{
+				Action:       "accept",
+				Sources:      []string{"*"},
+				Destinations: []string{"client"},
+				Users:        []string{"autogroup:nonroot"},
+			},
+		},
+	}
+
+	err = app.UpdateACLRules()
+
+	c.Assert(err, check.IsNil)
+	c.Assert(app.sshPolicy, check.NotNil)
+	c.Assert(app.sshPolicy.Rules, check.HasLen, 2)
+	c.Assert(app.sshPolicy.Rules[0].SSHUsers, check.HasLen, 1)
+	c.Assert(app.sshPolicy.Rules[0].Principals, check.HasLen, 1)
+	c.Assert(app.sshPolicy.Rules[0].Principals[0].NodeIP, check.Matches, "100.64.0.1")
+
+	c.Assert(app.sshPolicy.Rules[1].SSHUsers, check.HasLen, 1)
+	c.Assert(app.sshPolicy.Rules[1].Principals, check.HasLen, 1)
+	c.Assert(app.sshPolicy.Rules[1].Principals[0].NodeIP, check.Matches, "*")
+}
+
+func (s *Suite) TestInvalidGroupInGroup(c *check.C) {
+	// this ACL is wrong because the group in Sources sections doesn't exist
+	app.aclPolicy = &ACLPolicy{
+		Groups: Groups{
+			"group:test":  []string{"foo"},
+			"group:error": []string{"foo", "group:test"},
+		},
+		ACLs: []ACL{
+			{
+				Action:       "accept",
+				Sources:      []string{"group:error"},
+				Destinations: []string{"*:*"},
+			},
+		},
+	}
+	err := app.UpdateACLRules()
+	c.Assert(errors.Is(err, errInvalidGroup), check.Equals, true)
+}
+
+func (s *Suite) TestInvalidTagOwners(c *check.C) {
+	// this ACL is wrong because no tagOwners own the requested tag for the server
+	app.aclPolicy = &ACLPolicy{
+		ACLs: []ACL{
+			{
+				Action:       "accept",
+				Sources:      []string{"tag:foo"},
+				Destinations: []string{"*:*"},
+			},
+		},
+	}
+	err := app.UpdateACLRules()
+	c.Assert(errors.Is(err, errInvalidTag), check.Equals, true)
+}
+
+// this test should validate that we can expand a group in a TagOWner section and
+// match properly the IP's of the related hosts. The owner is valid and the tag is also valid.
+// the tag is matched in the Sources section.
+func (s *Suite) TestValidExpandTagOwnersInSources(c *check.C) {
+	namespace, err := app.CreateNamespace("user1")
+	c.Assert(err, check.IsNil)
+
+	pak, err := app.CreatePreAuthKey(namespace.Name, false, false, nil, nil)
+	c.Assert(err, check.IsNil)
+
+	_, err = app.GetMachine("user1", "testmachine")
+	c.Assert(err, check.NotNil)
+	hostInfo := tailcfg.Hostinfo{
+		OS:          "centos",
+		Hostname:    "testmachine",
+		RequestTags: []string{"tag:test"},
+	}
+
+	machine := Machine{
+		ID:             0,
+		MachineKey:     "foo",
+		NodeKey:        "bar",
+		DiscoKey:       "faa",
+		Hostname:       "testmachine",
+		IPAddresses:    MachineAddresses{netip.MustParseAddr("100.64.0.1")},
 		NamespaceID:    namespace.ID,
 		RegisterMethod: RegisterMethodAuthKey,
 		AuthKeyID:      uint(pak.ID),
@@ -131,7 +219,11 @@ func (s *Suite) TestValidExpandTagOwnersInUsers(c *check.C) {
 		Groups:    Groups{"group:test": []string{"user1", "user2"}},
 		TagOwners: TagOwners{"tag:test": []string{"user3", "group:test"}},
 		ACLs: []ACL{
-			{Action: "accept", Users: []string{"tag:test"}, Ports: []string{"*:*"}},
+			{
+				Action:       "accept",
+				Sources:      []string{"tag:test"},
+				Destinations: []string{"*:*"},
+			},
 		},
 	}
 	err = app.UpdateACLRules()
@@ -143,12 +235,12 @@ func (s *Suite) TestValidExpandTagOwnersInUsers(c *check.C) {
 
 // this test should validate that we can expand a group in a TagOWner section and
 // match properly the IP's of the related hosts. The owner is valid and the tag is also valid.
-// the tag is matched in the Ports section.
-func (s *Suite) TestValidExpandTagOwnersInPorts(c *check.C) {
+// the tag is matched in the Destinations section.
+func (s *Suite) TestValidExpandTagOwnersInDestinations(c *check.C) {
 	namespace, err := app.CreateNamespace("user1")
 	c.Assert(err, check.IsNil)
 
-	pak, err := app.CreatePreAuthKey(namespace.Name, false, false, nil)
+	pak, err := app.CreatePreAuthKey(namespace.Name, false, false, nil, nil)
 	c.Assert(err, check.IsNil)
 
 	_, err = app.GetMachine("user1", "testmachine")
@@ -164,8 +256,8 @@ func (s *Suite) TestValidExpandTagOwnersInPorts(c *check.C) {
 		MachineKey:     "12345",
 		NodeKey:        "bar",
 		DiscoKey:       "faa",
-		Name:           "testmachine",
-		IPAddresses:    MachineAddresses{netaddr.MustParseIP("100.64.0.1")},
+		Hostname:       "testmachine",
+		IPAddresses:    MachineAddresses{netip.MustParseAddr("100.64.0.1")},
 		NamespaceID:    namespace.ID,
 		RegisterMethod: RegisterMethodAuthKey,
 		AuthKeyID:      uint(pak.ID),
@@ -177,7 +269,11 @@ func (s *Suite) TestValidExpandTagOwnersInPorts(c *check.C) {
 		Groups:    Groups{"group:test": []string{"user1", "user2"}},
 		TagOwners: TagOwners{"tag:test": []string{"user3", "group:test"}},
 		ACLs: []ACL{
-			{Action: "accept", Users: []string{"*"}, Ports: []string{"tag:test:*"}},
+			{
+				Action:       "accept",
+				Sources:      []string{"*"},
+				Destinations: []string{"tag:test:*"},
+			},
 		},
 	}
 	err = app.UpdateACLRules()
@@ -194,7 +290,7 @@ func (s *Suite) TestInvalidTagValidNamespace(c *check.C) {
 	namespace, err := app.CreateNamespace("user1")
 	c.Assert(err, check.IsNil)
 
-	pak, err := app.CreatePreAuthKey(namespace.Name, false, false, nil)
+	pak, err := app.CreatePreAuthKey(namespace.Name, false, false, nil, nil)
 	c.Assert(err, check.IsNil)
 
 	_, err = app.GetMachine("user1", "testmachine")
@@ -210,8 +306,8 @@ func (s *Suite) TestInvalidTagValidNamespace(c *check.C) {
 		MachineKey:     "12345",
 		NodeKey:        "bar",
 		DiscoKey:       "faa",
-		Name:           "testmachine",
-		IPAddresses:    MachineAddresses{netaddr.MustParseIP("100.64.0.1")},
+		Hostname:       "testmachine",
+		IPAddresses:    MachineAddresses{netip.MustParseAddr("100.64.0.1")},
 		NamespaceID:    namespace.ID,
 		RegisterMethod: RegisterMethodAuthKey,
 		AuthKeyID:      uint(pak.ID),
@@ -222,7 +318,11 @@ func (s *Suite) TestInvalidTagValidNamespace(c *check.C) {
 	app.aclPolicy = &ACLPolicy{
 		TagOwners: TagOwners{"tag:test": []string{"user1"}},
 		ACLs: []ACL{
-			{Action: "accept", Users: []string{"user1"}, Ports: []string{"*:*"}},
+			{
+				Action:       "accept",
+				Sources:      []string{"user1"},
+				Destinations: []string{"*:*"},
+			},
 		},
 	}
 	err = app.UpdateACLRules()
@@ -239,7 +339,7 @@ func (s *Suite) TestValidTagInvalidNamespace(c *check.C) {
 	namespace, err := app.CreateNamespace("user1")
 	c.Assert(err, check.IsNil)
 
-	pak, err := app.CreatePreAuthKey(namespace.Name, false, false, nil)
+	pak, err := app.CreatePreAuthKey(namespace.Name, false, false, nil, nil)
 	c.Assert(err, check.IsNil)
 
 	_, err = app.GetMachine("user1", "webserver")
@@ -255,8 +355,8 @@ func (s *Suite) TestValidTagInvalidNamespace(c *check.C) {
 		MachineKey:     "12345",
 		NodeKey:        "bar",
 		DiscoKey:       "faa",
-		Name:           "webserver",
-		IPAddresses:    MachineAddresses{netaddr.MustParseIP("100.64.0.1")},
+		Hostname:       "webserver",
+		IPAddresses:    MachineAddresses{netip.MustParseAddr("100.64.0.1")},
 		NamespaceID:    namespace.ID,
 		RegisterMethod: RegisterMethodAuthKey,
 		AuthKeyID:      uint(pak.ID),
@@ -274,8 +374,8 @@ func (s *Suite) TestValidTagInvalidNamespace(c *check.C) {
 		MachineKey:     "56789",
 		NodeKey:        "bar2",
 		DiscoKey:       "faab",
-		Name:           "user",
-		IPAddresses:    MachineAddresses{netaddr.MustParseIP("100.64.0.2")},
+		Hostname:       "user",
+		IPAddresses:    MachineAddresses{netip.MustParseAddr("100.64.0.2")},
 		NamespaceID:    namespace.ID,
 		RegisterMethod: RegisterMethodAuthKey,
 		AuthKeyID:      uint(pak.ID),
@@ -287,9 +387,9 @@ func (s *Suite) TestValidTagInvalidNamespace(c *check.C) {
 		TagOwners: TagOwners{"tag:webapp": []string{"user1"}},
 		ACLs: []ACL{
 			{
-				Action: "accept",
-				Users:  []string{"user1"},
-				Ports:  []string{"tag:webapp:80,443"},
+				Action:       "accept",
+				Sources:      []string{"user1"},
+				Destinations: []string{"tag:webapp:80,443"},
 			},
 		},
 	}
@@ -321,6 +421,20 @@ func (s *Suite) TestPortRange(c *check.C) {
 	c.Assert(rules[0].DstPorts[0].Ports.Last, check.Equals, uint16(5500))
 }
 
+func (s *Suite) TestProtocolParsing(c *check.C) {
+	err := app.LoadACLPolicy("./tests/acls/acl_policy_basic_protocols.hujson")
+	c.Assert(err, check.IsNil)
+
+	rules, err := app.generateACLRules()
+	c.Assert(err, check.IsNil)
+	c.Assert(rules, check.NotNil)
+
+	c.Assert(rules, check.HasLen, 3)
+	c.Assert(rules[0].IPProto[0], check.Equals, protocolTCP)
+	c.Assert(rules[1].IPProto[0], check.Equals, protocolUDP)
+	c.Assert(rules[2].IPProto[1], check.Equals, protocolIPv6ICMP)
+}
+
 func (s *Suite) TestPortWildcard(c *check.C) {
 	err := app.LoadACLPolicy("./tests/acls/acl_policy_basic_wildcards.hujson")
 	c.Assert(err, check.IsNil)
@@ -357,7 +471,7 @@ func (s *Suite) TestPortNamespace(c *check.C) {
 	namespace, err := app.CreateNamespace("testnamespace")
 	c.Assert(err, check.IsNil)
 
-	pak, err := app.CreatePreAuthKey(namespace.Name, false, false, nil)
+	pak, err := app.CreatePreAuthKey(namespace.Name, false, false, nil, nil)
 	c.Assert(err, check.IsNil)
 
 	_, err = app.GetMachine("testnamespace", "testmachine")
@@ -368,7 +482,7 @@ func (s *Suite) TestPortNamespace(c *check.C) {
 		MachineKey:     "12345",
 		NodeKey:        "bar",
 		DiscoKey:       "faa",
-		Name:           "testmachine",
+		Hostname:       "testmachine",
 		NamespaceID:    namespace.ID,
 		RegisterMethod: RegisterMethodAuthKey,
 		IPAddresses:    ips,
@@ -399,7 +513,7 @@ func (s *Suite) TestPortGroup(c *check.C) {
 	namespace, err := app.CreateNamespace("testnamespace")
 	c.Assert(err, check.IsNil)
 
-	pak, err := app.CreatePreAuthKey(namespace.Name, false, false, nil)
+	pak, err := app.CreatePreAuthKey(namespace.Name, false, false, nil, nil)
 	c.Assert(err, check.IsNil)
 
 	_, err = app.GetMachine("testnamespace", "testmachine")
@@ -410,7 +524,7 @@ func (s *Suite) TestPortGroup(c *check.C) {
 		MachineKey:     "foo",
 		NodeKey:        "bar",
 		DiscoKey:       "faa",
-		Name:           "testmachine",
+		Hostname:       "testmachine",
 		NamespaceID:    namespace.ID,
 		RegisterMethod: RegisterMethodAuthKey,
 		IPAddresses:    ips,
@@ -628,7 +742,8 @@ func Test_expandTagOwners(t *testing.T) {
 
 func Test_expandPorts(t *testing.T) {
 	type args struct {
-		portsStr string
+		portsStr      string
+		needsWildcard bool
 	}
 	tests := []struct {
 		name    string
@@ -638,15 +753,29 @@ func Test_expandPorts(t *testing.T) {
 	}{
 		{
 			name: "wildcard",
-			args: args{portsStr: "*"},
+			args: args{portsStr: "*", needsWildcard: true},
 			want: &[]tailcfg.PortRange{
 				{First: portRangeBegin, Last: portRangeEnd},
 			},
 			wantErr: false,
 		},
 		{
-			name: "two ports",
-			args: args{portsStr: "80,443"},
+			name: "needs wildcard but does not require it",
+			args: args{portsStr: "*", needsWildcard: false},
+			want: &[]tailcfg.PortRange{
+				{First: portRangeBegin, Last: portRangeEnd},
+			},
+			wantErr: false,
+		},
+		{
+			name:    "needs wildcard but gets port",
+			args:    args{portsStr: "80,443", needsWildcard: true},
+			want:    nil,
+			wantErr: true,
+		},
+		{
+			name: "two Destinations",
+			args: args{portsStr: "80,443", needsWildcard: false},
 			want: &[]tailcfg.PortRange{
 				{First: 80, Last: 80},
 				{First: 443, Last: 443},
@@ -655,7 +784,7 @@ func Test_expandPorts(t *testing.T) {
 		},
 		{
 			name: "a range and a port",
-			args: args{portsStr: "80-1024,443"},
+			args: args{portsStr: "80-1024,443", needsWildcard: false},
 			want: &[]tailcfg.PortRange{
 				{First: 80, Last: 1024},
 				{First: 443, Last: 443},
@@ -664,38 +793,38 @@ func Test_expandPorts(t *testing.T) {
 		},
 		{
 			name:    "out of bounds",
-			args:    args{portsStr: "854038"},
+			args:    args{portsStr: "854038", needsWildcard: false},
 			want:    nil,
 			wantErr: true,
 		},
 		{
 			name:    "wrong port",
-			args:    args{portsStr: "85a38"},
+			args:    args{portsStr: "85a38", needsWildcard: false},
 			want:    nil,
 			wantErr: true,
 		},
 		{
 			name:    "wrong port in first",
-			args:    args{portsStr: "a-80"},
+			args:    args{portsStr: "a-80", needsWildcard: false},
 			want:    nil,
 			wantErr: true,
 		},
 		{
 			name:    "wrong port in last",
-			args:    args{portsStr: "80-85a38"},
+			args:    args{portsStr: "80-85a38", needsWildcard: false},
 			want:    nil,
 			wantErr: true,
 		},
 		{
 			name:    "wrong port format",
-			args:    args{portsStr: "80-85a38-3"},
+			args:    args{portsStr: "80-85a38-3", needsWildcard: false},
 			want:    nil,
 			wantErr: true,
 		},
 	}
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			got, err := expandPorts(test.args.portsStr)
+			got, err := expandPorts(test.args.portsStr, test.args.needsWildcard)
 			if (err != nil) != test.wantErr {
 				t.Errorf("expandPorts() error = %v, wantErr %v", err, test.wantErr)
 
@@ -772,7 +901,6 @@ func Test_listMachinesInNamespace(t *testing.T) {
 	}
 }
 
-// nolint
 func Test_expandAlias(t *testing.T) {
 	type args struct {
 		machines         []Machine
@@ -791,10 +919,10 @@ func Test_expandAlias(t *testing.T) {
 			args: args{
 				alias: "*",
 				machines: []Machine{
-					{IPAddresses: MachineAddresses{netaddr.MustParseIP("100.64.0.1")}},
+					{IPAddresses: MachineAddresses{netip.MustParseAddr("100.64.0.1")}},
 					{
 						IPAddresses: MachineAddresses{
-							netaddr.MustParseIP("100.78.84.227"),
+							netip.MustParseAddr("100.78.84.227"),
 						},
 					},
 				},
@@ -811,25 +939,25 @@ func Test_expandAlias(t *testing.T) {
 				machines: []Machine{
 					{
 						IPAddresses: MachineAddresses{
-							netaddr.MustParseIP("100.64.0.1"),
+							netip.MustParseAddr("100.64.0.1"),
 						},
 						Namespace: Namespace{Name: "joe"},
 					},
 					{
 						IPAddresses: MachineAddresses{
-							netaddr.MustParseIP("100.64.0.2"),
+							netip.MustParseAddr("100.64.0.2"),
 						},
 						Namespace: Namespace{Name: "joe"},
 					},
 					{
 						IPAddresses: MachineAddresses{
-							netaddr.MustParseIP("100.64.0.3"),
+							netip.MustParseAddr("100.64.0.3"),
 						},
 						Namespace: Namespace{Name: "marc"},
 					},
 					{
 						IPAddresses: MachineAddresses{
-							netaddr.MustParseIP("100.64.0.4"),
+							netip.MustParseAddr("100.64.0.4"),
 						},
 						Namespace: Namespace{Name: "mickael"},
 					},
@@ -849,25 +977,25 @@ func Test_expandAlias(t *testing.T) {
 				machines: []Machine{
 					{
 						IPAddresses: MachineAddresses{
-							netaddr.MustParseIP("100.64.0.1"),
+							netip.MustParseAddr("100.64.0.1"),
 						},
 						Namespace: Namespace{Name: "joe"},
 					},
 					{
 						IPAddresses: MachineAddresses{
-							netaddr.MustParseIP("100.64.0.2"),
+							netip.MustParseAddr("100.64.0.2"),
 						},
 						Namespace: Namespace{Name: "joe"},
 					},
 					{
 						IPAddresses: MachineAddresses{
-							netaddr.MustParseIP("100.64.0.3"),
+							netip.MustParseAddr("100.64.0.3"),
 						},
 						Namespace: Namespace{Name: "marc"},
 					},
 					{
 						IPAddresses: MachineAddresses{
-							netaddr.MustParseIP("100.64.0.4"),
+							netip.MustParseAddr("100.64.0.4"),
 						},
 						Namespace: Namespace{Name: "mickael"},
 					},
@@ -898,7 +1026,7 @@ func Test_expandAlias(t *testing.T) {
 				machines: []Machine{},
 				aclPolicy: ACLPolicy{
 					Hosts: Hosts{
-						"homeNetwork": netaddr.MustParseIPPrefix("192.168.1.0/24"),
+						"homeNetwork": netip.MustParsePrefix("192.168.1.0/24"),
 					},
 				},
 				stripEmailDomain: true,
@@ -935,7 +1063,7 @@ func Test_expandAlias(t *testing.T) {
 				machines: []Machine{
 					{
 						IPAddresses: MachineAddresses{
-							netaddr.MustParseIP("100.64.0.1"),
+							netip.MustParseAddr("100.64.0.1"),
 						},
 						Namespace: Namespace{Name: "joe"},
 						HostInfo: HostInfo{
@@ -946,7 +1074,7 @@ func Test_expandAlias(t *testing.T) {
 					},
 					{
 						IPAddresses: MachineAddresses{
-							netaddr.MustParseIP("100.64.0.2"),
+							netip.MustParseAddr("100.64.0.2"),
 						},
 						Namespace: Namespace{Name: "joe"},
 						HostInfo: HostInfo{
@@ -957,13 +1085,13 @@ func Test_expandAlias(t *testing.T) {
 					},
 					{
 						IPAddresses: MachineAddresses{
-							netaddr.MustParseIP("100.64.0.3"),
+							netip.MustParseAddr("100.64.0.3"),
 						},
 						Namespace: Namespace{Name: "marc"},
 					},
 					{
 						IPAddresses: MachineAddresses{
-							netaddr.MustParseIP("100.64.0.4"),
+							netip.MustParseAddr("100.64.0.4"),
 						},
 						Namespace: Namespace{Name: "joe"},
 					},
@@ -983,25 +1111,25 @@ func Test_expandAlias(t *testing.T) {
 				machines: []Machine{
 					{
 						IPAddresses: MachineAddresses{
-							netaddr.MustParseIP("100.64.0.1"),
+							netip.MustParseAddr("100.64.0.1"),
 						},
 						Namespace: Namespace{Name: "joe"},
 					},
 					{
 						IPAddresses: MachineAddresses{
-							netaddr.MustParseIP("100.64.0.2"),
+							netip.MustParseAddr("100.64.0.2"),
 						},
 						Namespace: Namespace{Name: "joe"},
 					},
 					{
 						IPAddresses: MachineAddresses{
-							netaddr.MustParseIP("100.64.0.3"),
+							netip.MustParseAddr("100.64.0.3"),
 						},
 						Namespace: Namespace{Name: "marc"},
 					},
 					{
 						IPAddresses: MachineAddresses{
-							netaddr.MustParseIP("100.64.0.4"),
+							netip.MustParseAddr("100.64.0.4"),
 						},
 						Namespace: Namespace{Name: "mickael"},
 					},
@@ -1017,6 +1145,90 @@ func Test_expandAlias(t *testing.T) {
 			want:    []string{},
 			wantErr: true,
 		},
+		{
+			name: "Forced tag defined",
+			args: args{
+				alias: "tag:hr-webserver",
+				machines: []Machine{
+					{
+						IPAddresses: MachineAddresses{
+							netip.MustParseAddr("100.64.0.1"),
+						},
+						Namespace:  Namespace{Name: "joe"},
+						ForcedTags: []string{"tag:hr-webserver"},
+					},
+					{
+						IPAddresses: MachineAddresses{
+							netip.MustParseAddr("100.64.0.2"),
+						},
+						Namespace:  Namespace{Name: "joe"},
+						ForcedTags: []string{"tag:hr-webserver"},
+					},
+					{
+						IPAddresses: MachineAddresses{
+							netip.MustParseAddr("100.64.0.3"),
+						},
+						Namespace: Namespace{Name: "marc"},
+					},
+					{
+						IPAddresses: MachineAddresses{
+							netip.MustParseAddr("100.64.0.4"),
+						},
+						Namespace: Namespace{Name: "mickael"},
+					},
+				},
+				aclPolicy:        ACLPolicy{},
+				stripEmailDomain: true,
+			},
+			want:    []string{"100.64.0.1", "100.64.0.2"},
+			wantErr: false,
+		},
+		{
+			name: "Forced tag with legitimate tagOwner",
+			args: args{
+				alias: "tag:hr-webserver",
+				machines: []Machine{
+					{
+						IPAddresses: MachineAddresses{
+							netip.MustParseAddr("100.64.0.1"),
+						},
+						Namespace:  Namespace{Name: "joe"},
+						ForcedTags: []string{"tag:hr-webserver"},
+					},
+					{
+						IPAddresses: MachineAddresses{
+							netip.MustParseAddr("100.64.0.2"),
+						},
+						Namespace: Namespace{Name: "joe"},
+						HostInfo: HostInfo{
+							OS:          "centos",
+							Hostname:    "foo",
+							RequestTags: []string{"tag:hr-webserver"},
+						},
+					},
+					{
+						IPAddresses: MachineAddresses{
+							netip.MustParseAddr("100.64.0.3"),
+						},
+						Namespace: Namespace{Name: "marc"},
+					},
+					{
+						IPAddresses: MachineAddresses{
+							netip.MustParseAddr("100.64.0.4"),
+						},
+						Namespace: Namespace{Name: "mickael"},
+					},
+				},
+				aclPolicy: ACLPolicy{
+					TagOwners: TagOwners{
+						"tag:hr-webserver": []string{"joe"},
+					},
+				},
+				stripEmailDomain: true,
+			},
+			want:    []string{"100.64.0.1", "100.64.0.2"},
+			wantErr: false,
+		},
 		{
 			name: "list host in namespace without correctly tagged servers",
 			args: args{
@@ -1024,7 +1236,7 @@ func Test_expandAlias(t *testing.T) {
 				machines: []Machine{
 					{
 						IPAddresses: MachineAddresses{
-							netaddr.MustParseIP("100.64.0.1"),
+							netip.MustParseAddr("100.64.0.1"),
 						},
 						Namespace: Namespace{Name: "joe"},
 						HostInfo: HostInfo{
@@ -1035,7 +1247,7 @@ func Test_expandAlias(t *testing.T) {
 					},
 					{
 						IPAddresses: MachineAddresses{
-							netaddr.MustParseIP("100.64.0.2"),
+							netip.MustParseAddr("100.64.0.2"),
 						},
 						Namespace: Namespace{Name: "joe"},
 						HostInfo: HostInfo{
@@ -1046,13 +1258,13 @@ func Test_expandAlias(t *testing.T) {
 					},
 					{
 						IPAddresses: MachineAddresses{
-							netaddr.MustParseIP("100.64.0.3"),
+							netip.MustParseAddr("100.64.0.3"),
 						},
 						Namespace: Namespace{Name: "marc"},
 					},
 					{
 						IPAddresses: MachineAddresses{
-							netaddr.MustParseIP("100.64.0.4"),
+							netip.MustParseAddr("100.64.0.4"),
 						},
 						Namespace: Namespace{Name: "joe"},
 					},
@@ -1088,9 +1300,10 @@ func Test_expandAlias(t *testing.T) {
 
 func Test_excludeCorrectlyTaggedNodes(t *testing.T) {
 	type args struct {
-		aclPolicy ACLPolicy
-		nodes     []Machine
-		namespace string
+		aclPolicy        ACLPolicy
+		nodes            []Machine
+		namespace        string
+		stripEmailDomain bool
 	}
 	tests := []struct {
 		name    string
@@ -1107,7 +1320,7 @@ func Test_excludeCorrectlyTaggedNodes(t *testing.T) {
 				nodes: []Machine{
 					{
 						IPAddresses: MachineAddresses{
-							netaddr.MustParseIP("100.64.0.1"),
+							netip.MustParseAddr("100.64.0.1"),
 						},
 						Namespace: Namespace{Name: "joe"},
 						HostInfo: HostInfo{
@@ -1118,7 +1331,7 @@ func Test_excludeCorrectlyTaggedNodes(t *testing.T) {
 					},
 					{
 						IPAddresses: MachineAddresses{
-							netaddr.MustParseIP("100.64.0.2"),
+							netip.MustParseAddr("100.64.0.2"),
 						},
 						Namespace: Namespace{Name: "joe"},
 						HostInfo: HostInfo{
@@ -1129,16 +1342,110 @@ func Test_excludeCorrectlyTaggedNodes(t *testing.T) {
 					},
 					{
 						IPAddresses: MachineAddresses{
-							netaddr.MustParseIP("100.64.0.4"),
+							netip.MustParseAddr("100.64.0.4"),
 						},
 						Namespace: Namespace{Name: "joe"},
 					},
 				},
-				namespace: "joe",
+				namespace:        "joe",
+				stripEmailDomain: true,
 			},
 			want: []Machine{
 				{
-					IPAddresses: MachineAddresses{netaddr.MustParseIP("100.64.0.4")},
+					IPAddresses: MachineAddresses{netip.MustParseAddr("100.64.0.4")},
+					Namespace:   Namespace{Name: "joe"},
+				},
+			},
+		},
+		{
+			name: "exclude nodes with valid tags, and owner is in a group",
+			args: args{
+				aclPolicy: ACLPolicy{
+					Groups: Groups{
+						"group:accountant": []string{"joe", "bar"},
+					},
+					TagOwners: TagOwners{
+						"tag:accountant-webserver": []string{"group:accountant"},
+					},
+				},
+				nodes: []Machine{
+					{
+						IPAddresses: MachineAddresses{
+							netip.MustParseAddr("100.64.0.1"),
+						},
+						Namespace: Namespace{Name: "joe"},
+						HostInfo: HostInfo{
+							OS:          "centos",
+							Hostname:    "foo",
+							RequestTags: []string{"tag:accountant-webserver"},
+						},
+					},
+					{
+						IPAddresses: MachineAddresses{
+							netip.MustParseAddr("100.64.0.2"),
+						},
+						Namespace: Namespace{Name: "joe"},
+						HostInfo: HostInfo{
+							OS:          "centos",
+							Hostname:    "foo",
+							RequestTags: []string{"tag:accountant-webserver"},
+						},
+					},
+					{
+						IPAddresses: MachineAddresses{
+							netip.MustParseAddr("100.64.0.4"),
+						},
+						Namespace: Namespace{Name: "joe"},
+					},
+				},
+				namespace:        "joe",
+				stripEmailDomain: true,
+			},
+			want: []Machine{
+				{
+					IPAddresses: MachineAddresses{netip.MustParseAddr("100.64.0.4")},
+					Namespace:   Namespace{Name: "joe"},
+				},
+			},
+		},
+		{
+			name: "exclude nodes with valid tags and with forced tags",
+			args: args{
+				aclPolicy: ACLPolicy{
+					TagOwners: TagOwners{"tag:accountant-webserver": []string{"joe"}},
+				},
+				nodes: []Machine{
+					{
+						IPAddresses: MachineAddresses{
+							netip.MustParseAddr("100.64.0.1"),
+						},
+						Namespace: Namespace{Name: "joe"},
+						HostInfo: HostInfo{
+							OS:          "centos",
+							Hostname:    "foo",
+							RequestTags: []string{"tag:accountant-webserver"},
+						},
+					},
+					{
+						IPAddresses: MachineAddresses{
+							netip.MustParseAddr("100.64.0.2"),
+						},
+						Namespace:  Namespace{Name: "joe"},
+						ForcedTags: []string{"tag:accountant-webserver"},
+					},
+					{
+						IPAddresses: MachineAddresses{
+							netip.MustParseAddr("100.64.0.4"),
+						},
+						Namespace: Namespace{Name: "joe"},
+					},
+				},
+				namespace:        "joe",
+				stripEmailDomain: true,
+			},
+			want: []Machine{
+				{
+					IPAddresses: MachineAddresses{netip.MustParseAddr("100.64.0.4")},
 					Namespace:   Namespace{Name: "joe"},
 				},
 			},
@@ -1152,7 +1459,7 @@ func Test_excludeCorrectlyTaggedNodes(t *testing.T) {
 				nodes: []Machine{
 					{
 						IPAddresses: MachineAddresses{
-							netaddr.MustParseIP("100.64.0.1"),
+							netip.MustParseAddr("100.64.0.1"),
 						},
 						Namespace: Namespace{Name: "joe"},
 						HostInfo: HostInfo{
@@ -1163,7 +1470,7 @@ func Test_excludeCorrectlyTaggedNodes(t *testing.T) {
 					},
 					{
 						IPAddresses: MachineAddresses{
-							netaddr.MustParseIP("100.64.0.2"),
+							netip.MustParseAddr("100.64.0.2"),
 						},
 						Namespace: Namespace{Name: "joe"},
 						HostInfo: HostInfo{
@@ -1174,17 +1481,18 @@ func Test_excludeCorrectlyTaggedNodes(t *testing.T) {
 					},
 					{
 						IPAddresses: MachineAddresses{
-							netaddr.MustParseIP("100.64.0.4"),
+							netip.MustParseAddr("100.64.0.4"),
 						},
 						Namespace: Namespace{Name: "joe"},
 					},
 				},
-				namespace: "joe",
+				namespace:        "joe",
+				stripEmailDomain: true,
 			},
 			want: []Machine{
 				{
 					IPAddresses: MachineAddresses{
-						netaddr.MustParseIP("100.64.0.1"),
+						netip.MustParseAddr("100.64.0.1"),
 					},
 					Namespace: Namespace{Name: "joe"},
 					HostInfo: HostInfo{
@@ -1195,7 +1503,7 @@ func Test_excludeCorrectlyTaggedNodes(t *testing.T) {
 				},
 				{
 					IPAddresses: MachineAddresses{
-						netaddr.MustParseIP("100.64.0.2"),
+						netip.MustParseAddr("100.64.0.2"),
 					},
 					Namespace: Namespace{Name: "joe"},
 					HostInfo: HostInfo{
@@ -1206,7 +1514,7 @@ func Test_excludeCorrectlyTaggedNodes(t *testing.T) {
 				},
 				{
 					IPAddresses: MachineAddresses{
-						netaddr.MustParseIP("100.64.0.4"),
+						netip.MustParseAddr("100.64.0.4"),
 					},
 					Namespace: Namespace{Name: "joe"},
 				},
@@ -1219,6 +1527,7 @@ func Test_excludeCorrectlyTaggedNodes(t *testing.T) {
 				test.args.aclPolicy,
 				test.args.nodes,
 				test.args.namespace,
+				test.args.stripEmailDomain,
 			)
 			if !reflect.DeepEqual(got, test.want) {
 				t.Errorf("excludeCorrectlyTaggedNodes() = %v, want %v", got, test.want)

acls_types.go

@@ -2,46 +2,65 @@ package headscale
 
 import (
 	"encoding/json"
+	"net/netip"
 	"strings"
 
 	"github.com/tailscale/hujson"
 	"gopkg.in/yaml.v3"
-	"inet.af/netaddr"
 )
 
 // ACLPolicy represents a Tailscale ACL Policy.
 type ACLPolicy struct {
-	Groups    Groups    `json:"Groups"    yaml:"Groups"`
-	Hosts     Hosts     `json:"Hosts"     yaml:"Hosts"`
-	TagOwners TagOwners `json:"TagOwners" yaml:"TagOwners"`
-	ACLs      []ACL     `json:"ACLs"      yaml:"ACLs"`
-	Tests     []ACLTest `json:"Tests"     yaml:"Tests"`
+	Groups        Groups        `json:"groups"        yaml:"groups"`
+	Hosts         Hosts         `json:"hosts"         yaml:"hosts"`
+	TagOwners     TagOwners     `json:"tagOwners"     yaml:"tagOwners"`
+	ACLs          []ACL         `json:"acls"          yaml:"acls"`
+	Tests         []ACLTest     `json:"tests"         yaml:"tests"`
+	AutoApprovers AutoApprovers `json:"autoApprovers" yaml:"autoApprovers"`
+	SSHs          []SSH         `json:"ssh"           yaml:"ssh"`
 }
 
 // ACL is a basic rule for the ACL Policy.
 type ACL struct {
-	Action string   `json:"Action" yaml:"Action"`
-	Users  []string `json:"Users"  yaml:"Users"`
-	Ports  []string `json:"Ports"  yaml:"Ports"`
+	Action       string   `json:"action" yaml:"action"`
+	Protocol     string   `json:"proto"  yaml:"proto"`
+	Sources      []string `json:"src"    yaml:"src"`
+	Destinations []string `json:"dst"    yaml:"dst"`
 }
 
 // Groups references a series of alias in the ACL rules.
 type Groups map[string][]string
 
 // Hosts are alias for IP addresses or subnets.
-type Hosts map[string]netaddr.IPPrefix
+type Hosts map[string]netip.Prefix
 
 // TagOwners specify what users (namespaces?) are allow to use certain tags.
 type TagOwners map[string][]string
 
 // ACLTest is not implemented, but should be use to check if a certain rule is allowed.
 type ACLTest struct {
-	User  string   `json:"User"           yaml:"User"`
-	Allow []string `json:"Allow"          yaml:"Allow"`
-	Deny  []string `json:"Deny,omitempty" yaml:"Deny,omitempty"`
+	Source string   `json:"src"            yaml:"src"`
+	Accept []string `json:"accept"         yaml:"accept"`
+	Deny   []string `json:"deny,omitempty" yaml:"deny,omitempty"`
 }
 
-// UnmarshalJSON allows to parse the Hosts directly into netaddr objects.
+// AutoApprovers specify which users (namespaces?), groups or tags have their advertised routes
+// or exit node status automatically enabled.
+type AutoApprovers struct {
+	Routes   map[string][]string `json:"routes"   yaml:"routes"`
+	ExitNode []string            `json:"exitNode" yaml:"exitNode"`
+}
+
+// SSH controls who can ssh into which machines.
+type SSH struct {
+	Action       string   `json:"action"                yaml:"action"`
+	Sources      []string `json:"src"                   yaml:"src"`
+	Destinations []string `json:"dst"                   yaml:"dst"`
+	Users        []string `json:"users"                 yaml:"users"`
+	CheckPeriod  string   `json:"checkPeriod,omitempty" yaml:"checkPeriod,omitempty"`
+}
+
+// UnmarshalJSON allows to parse the Hosts directly into netip objects.
 func (hosts *Hosts) UnmarshalJSON(data []byte) error {
 	newHosts := Hosts{}
 	hostIPPrefixMap := make(map[string]string)
@@ -59,7 +78,7 @@ func (hosts *Hosts) UnmarshalJSON(data []byte) error {
 		if !strings.Contains(prefixStr, "/") {
 			prefixStr += "/32"
 		}
-		prefix, err := netaddr.ParseIPPrefix(prefixStr)
+		prefix, err := netip.ParsePrefix(prefixStr)
 		if err != nil {
 			return err
 		}
@@ -70,7 +89,7 @@ func (hosts *Hosts) UnmarshalJSON(data []byte) error {
 	return nil
 }
 
-// UnmarshalYAML allows to parse the Hosts directly into netaddr objects.
+// UnmarshalYAML allows to parse the Hosts directly into netip objects.
 func (hosts *Hosts) UnmarshalYAML(data []byte) error {
 	newHosts := Hosts{}
 	hostIPPrefixMap := make(map[string]string)
@@ -80,7 +99,7 @@ func (hosts *Hosts) UnmarshalYAML(data []byte) error {
 		return err
 	}
 	for host, prefixStr := range hostIPPrefixMap {
-		prefix, err := netaddr.ParseIPPrefix(prefixStr)
+		prefix, err := netip.ParsePrefix(prefixStr)
 		if err != nil {
 			return err
 		}
@@ -99,3 +118,28 @@ func (policy ACLPolicy) IsZero() bool {
 
 	return false
 }
+
+// Returns the list of autoApproving namespaces, groups or tags for a given IPPrefix.
+func (autoApprovers *AutoApprovers) GetRouteApprovers(
+	prefix netip.Prefix,
+) ([]string, error) {
+	if prefix.Bits() == 0 {
+		return autoApprovers.ExitNode, nil // 0.0.0.0/0, ::/0 or equivalent
+	}
+
+	approverAliases := []string{}
+
+	for autoApprovedPrefix, autoApproverAliases := range autoApprovers.Routes {
+		autoApprovedPrefix, err := netip.ParsePrefix(autoApprovedPrefix)
+		if err != nil {
+			return nil, err
+		}
+
+		if prefix.Bits() >= autoApprovedPrefix.Bits() &&
+			autoApprovedPrefix.Contains(prefix.Masked().Addr()) {
+			approverAliases = append(approverAliases, autoApproverAliases...)
+		}
+	}
+
+	return approverAliases, nil
+}

api.go

@@ -2,25 +2,19 @@ package headscale
 
 import (
 	"bytes"
-	"encoding/binary"
 	"encoding/json"
-	"errors"
-	"fmt"
 	"html/template"
-	"io"
 	"net/http"
-	"strings"
 	"time"
 
-	"github.com/gin-gonic/gin"
-	"github.com/klauspost/compress/zstd"
+	"github.com/gorilla/mux"
 	"github.com/rs/zerolog/log"
-	"gorm.io/gorm"
-	"tailscale.com/tailcfg"
 	"tailscale.com/types/key"
 )
 
 const (
+	// TODO(juan): remove this once https://github.com/juanfont/headscale/issues/727 is fixed.
+	registrationHoldoff                      = time.Second * 5
 	reservedResponseHeaderSize               = 4
 	RegisterMethodAuthKey                    = "authkey"
 	RegisterMethodOIDC                       = "oidc"
@@ -30,14 +24,42 @@ const (
 	)
 )
 
-// KeyHandler provides the Headscale pub key
-// Listens in /key.
-func (h *Headscale) KeyHandler(ctx *gin.Context) {
-	ctx.Data(
-		http.StatusOK,
-		"text/plain; charset=utf-8",
-		[]byte(MachinePublicKeyStripPrefix(h.privateKey.Public())),
-	)
+func (h *Headscale) HealthHandler(
+	writer http.ResponseWriter,
+	req *http.Request,
+) {
+	respond := func(err error) {
+		writer.Header().Set("Content-Type", "application/health+json; charset=utf-8")
+
+		res := struct {
+			Status string `json:"status"`
+		}{
+			Status: "pass",
+		}
+
+		if err != nil {
+			writer.WriteHeader(http.StatusInternalServerError)
+			log.Error().Caller().Err(err).Msg("health check failed")
+			res.Status = "fail"
+		}
+
+		buf, err := json.Marshal(res)
+		if err != nil {
+			log.Error().Caller().Err(err).Msg("marshal failed")
+		}
+		_, err = writer.Write(buf)
+		if err != nil {
+			log.Error().Caller().Err(err).Msg("write failed")
+		}
+	}
+
+	if err := h.pingDB(req.Context()); err != nil {
+		respond(err)
+
+		return
+	}
+
+	respond(nil)
 }
 
 type registerWebAPITemplateConfig struct {
@@ -45,597 +67,102 @@ type registerWebAPITemplateConfig struct {
 }
 
 var registerWebAPITemplate = template.Must(
-	template.New("registerweb").Parse(`<html>
+	template.New("registerweb").Parse(`
+<html>
+	<head>
+		<title>Registration - Headscale</title>
+	</head>
 	<body>
-	<h1>headscale</h1>
-	<p>
-		Run the command below in the headscale server to add this machine to your network:
-	</p>
-
-	<p>
-		<code>
-			<b>headscale -n NAMESPACE nodes register --key {{.Key}}</b>
-		</code>
-	</p>
-
+		<h1>headscale</h1>
+		<h2>Machine registration</h2>
+		<p>
+			Run the command below in the headscale server to add this machine to your network:
+		</p>
+		<pre><code>headscale -n NAMESPACE nodes register --key {{.Key}}</code></pre>
 	</body>
-	</html>`),
-)
+</html>
+`))
 
 // RegisterWebAPI shows a simple message in the browser to point to the CLI
-// Listens in /register.
-func (h *Headscale) RegisterWebAPI(ctx *gin.Context) {
-	machineKeyStr := ctx.Query("key")
-	if machineKeyStr == "" {
-		ctx.String(http.StatusBadRequest, "Wrong params")
+// Listens in /register/:nkey.
+//
+// This is not part of the Tailscale control API, as we could send whatever URL
+// in the RegisterResponse.AuthURL field.
+func (h *Headscale) RegisterWebAPI(
+	writer http.ResponseWriter,
+	req *http.Request,
+) {
+	vars := mux.Vars(req)
+	nodeKeyStr, ok := vars["nkey"]
+
+	if !NodePublicKeyRegex.Match([]byte(nodeKeyStr)) {
+		log.Warn().Str("node_key", nodeKeyStr).Msg("Invalid node key passed to registration url")
+
+		writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
+		writer.WriteHeader(http.StatusUnauthorized)
+		_, err := writer.Write([]byte("Unauthorized"))
+		if err != nil {
+			log.Error().
+				Caller().
+				Err(err).
+				Msg("Failed to write response")
+		}
+
+		return
+	}
+
+	// We need to make sure we dont open for XSS style injections, if the parameter that
+	// is passed as a key is not parsable/validated as a NodePublic key, then fail to render
+	// the template and log an error.
+	var nodeKey key.NodePublic
+	err := nodeKey.UnmarshalText(
+		[]byte(NodePublicKeyEnsurePrefix(nodeKeyStr)),
+	)
+
+	if !ok || nodeKeyStr == "" || err != nil {
+		log.Warn().Err(err).Msg("Failed to parse incoming nodekey")
+
+		writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
+		writer.WriteHeader(http.StatusBadRequest)
+		_, err := writer.Write([]byte("Wrong params"))
+		if err != nil {
+			log.Error().
+				Caller().
+				Err(err).
+				Msg("Failed to write response")
+		}
 
 		return
 	}
 
 	var content bytes.Buffer
 	if err := registerWebAPITemplate.Execute(&content, registerWebAPITemplateConfig{
-		Key: machineKeyStr,
+		Key: nodeKeyStr,
 	}); err != nil {
 		log.Error().
 			Str("func", "RegisterWebAPI").
 			Err(err).
 			Msg("Could not render register web API template")
-		ctx.Data(
-			http.StatusInternalServerError,
-			"text/html; charset=utf-8",
-			[]byte("Could not render register web API template"),
-		)
-	}
-
-	ctx.Data(http.StatusOK, "text/html; charset=utf-8", content.Bytes())
-}
-
-// RegistrationHandler handles the actual registration process of a machine
-// Endpoint /machine/:id.
-func (h *Headscale) RegistrationHandler(ctx *gin.Context) {
-	body, _ := io.ReadAll(ctx.Request.Body)
-	machineKeyStr := ctx.Param("id")
-
-	var machineKey key.MachinePublic
-	err := machineKey.UnmarshalText([]byte(MachinePublicKeyEnsurePrefix(machineKeyStr)))
-	if err != nil {
-		log.Error().
-			Caller().
-			Err(err).
-			Msg("Cannot parse machine key")
-		machineRegistrations.WithLabelValues("unknown", "web", "error", "unknown").Inc()
-		ctx.String(http.StatusInternalServerError, "Sad!")
-
-		return
-	}
-	req := tailcfg.RegisterRequest{}
-	err = decode(body, &req, &machineKey, h.privateKey)
-	if err != nil {
-		log.Error().
-			Caller().
-			Err(err).
-			Msg("Cannot decode message")
-		machineRegistrations.WithLabelValues("unknown", "web", "error", "unknown").Inc()
-		ctx.String(http.StatusInternalServerError, "Very sad!")
-
-		return
-	}
-
-	now := time.Now().UTC()
-	machine, err := h.GetMachineByMachineKey(machineKey)
-	if errors.Is(err, gorm.ErrRecordNotFound) {
-		log.Info().Str("machine", req.Hostinfo.Hostname).Msg("New machine")
-
-		machineKeyStr := MachinePublicKeyStripPrefix(machineKey)
-
-		// If the machine has AuthKey set, handle registration via PreAuthKeys
-		if req.Auth.AuthKey != "" {
-			h.handleAuthKey(ctx, machineKey, req)
-
-			return
-		}
-		hname, err := NormalizeToFQDNRules(
-			req.Hostinfo.Hostname,
-			h.cfg.OIDC.StripEmaildomain,
-		)
+		writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
+		writer.WriteHeader(http.StatusInternalServerError)
+		_, err = writer.Write([]byte("Could not render register web API template"))
 		if err != nil {
 			log.Error().
 				Caller().
-				Str("func", "RegistrationHandler").
-				Str("hostinfo.name", req.Hostinfo.Hostname).
-				Err(err)
-
-			return
-		}
-
-		// The machine did not have a key to authenticate, which means
-		// that we rely on a method that calls back some how (OpenID or CLI)
-		// We create the machine and then keep it around until a callback
-		// happens
-		newMachine := Machine{
-			MachineKey: machineKeyStr,
-			Name:       hname,
-			NodeKey:    NodePublicKeyStripPrefix(req.NodeKey),
-			LastSeen:   &now,
-			Expiry:     &time.Time{},
-		}
-
-		if !req.Expiry.IsZero() {
-			log.Trace().
-				Caller().
-				Str("machine", req.Hostinfo.Hostname).
-				Time("expiry", req.Expiry).
-				Msg("Non-zero expiry time requested")
-			newMachine.Expiry = &req.Expiry
-		}
-
-		h.registrationCache.Set(
-			machineKeyStr,
-			newMachine,
-			registerCacheExpiration,
-		)
-
-		h.handleMachineRegistrationNew(ctx, machineKey, req)
-
-		return
-	}
-
-	// The machine is already registered, so we need to pass through reauth or key update.
-	if machine != nil {
-		// If the NodeKey stored in headscale is the same as the key presented in a registration
-		// request, then we have a node that is either:
-		// - Trying to log out (sending a expiry in the past)
-		// - A valid, registered machine, looking for the node map
-		// - Expired machine wanting to reauthenticate
-		if machine.NodeKey == NodePublicKeyStripPrefix(req.NodeKey) {
-			// The client sends an Expiry in the past if the client is requesting to expire the key (aka logout)
-			//   https://github.com/tailscale/tailscale/blob/main/tailcfg/tailcfg.go#L648
-			if !req.Expiry.IsZero() && req.Expiry.UTC().Before(now) {
-				h.handleMachineLogOut(ctx, machineKey, *machine)
-
-				return
-			}
-
-			// If machine is not expired, and is register, we have a already accepted this machine,
-			// let it proceed with a valid registration
-			if !machine.isExpired() {
-				h.handleMachineValidRegistration(ctx, machineKey, *machine)
-
-				return
-			}
-		}
-
-		// The NodeKey we have matches OldNodeKey, which means this is a refresh after a key expiration
-		if machine.NodeKey == NodePublicKeyStripPrefix(req.OldNodeKey) &&
-			!machine.isExpired() {
-			h.handleMachineRefreshKey(ctx, machineKey, req, *machine)
-
-			return
-		}
-
-		// The machine has expired
-		h.handleMachineExpired(ctx, machineKey, req, *machine)
-
-		return
-	}
-}
-
-func (h *Headscale) getMapResponse(
-	machineKey key.MachinePublic,
-	req tailcfg.MapRequest,
-	machine *Machine,
-) ([]byte, error) {
-	log.Trace().
-		Str("func", "getMapResponse").
-		Str("machine", req.Hostinfo.Hostname).
-		Msg("Creating Map response")
-	node, err := machine.toNode(h.cfg.BaseDomain, h.cfg.DNSConfig, true)
-	if err != nil {
-		log.Error().
-			Caller().
-			Str("func", "getMapResponse").
-			Err(err).
-			Msg("Cannot convert to node")
-
-		return nil, err
-	}
-
-	peers, err := h.getValidPeers(machine)
-	if err != nil {
-		log.Error().
-			Caller().
-			Str("func", "getMapResponse").
-			Err(err).
-			Msg("Cannot fetch peers")
-
-		return nil, err
-	}
-
-	profiles := getMapResponseUserProfiles(*machine, peers)
-
-	nodePeers, err := peers.toNodes(h.cfg.BaseDomain, h.cfg.DNSConfig, true)
-	if err != nil {
-		log.Error().
-			Caller().
-			Str("func", "getMapResponse").
-			Err(err).
-			Msg("Failed to convert peers to Tailscale nodes")
-
-		return nil, err
-	}
-
-	dnsConfig := getMapResponseDNSConfig(
-		h.cfg.DNSConfig,
-		h.cfg.BaseDomain,
-		*machine,
-		peers,
-	)
-
-	resp := tailcfg.MapResponse{
-		KeepAlive:    false,
-		Node:         node,
-		Peers:        nodePeers,
-		DNSConfig:    dnsConfig,
-		Domain:       h.cfg.BaseDomain,
-		PacketFilter: h.aclRules,
-		DERPMap:      h.DERPMap,
-		UserProfiles: profiles,
-	}
-
-	log.Trace().
-		Str("func", "getMapResponse").
-		Str("machine", req.Hostinfo.Hostname).
-		// Interface("payload", resp).
-		Msgf("Generated map response: %s", tailMapResponseToString(resp))
-
-	var respBody []byte
-	if req.Compress == "zstd" {
-		src, err := json.Marshal(resp)
-		if err != nil {
-			log.Error().
-				Caller().
-				Str("func", "getMapResponse").
 				Err(err).
-				Msg("Failed to marshal response for the client")
-
-			return nil, err
+				Msg("Failed to write response")
 		}
 
-		encoder, _ := zstd.NewWriter(nil)
-		srcCompressed := encoder.EncodeAll(src, nil)
-		respBody = h.privateKey.SealTo(machineKey, srcCompressed)
-	} else {
-		respBody, err = encode(resp, &machineKey, h.privateKey)
-		if err != nil {
-			return nil, err
-		}
+		return
 	}
-	// declare the incoming size on the first 4 bytes
-	data := make([]byte, reservedResponseHeaderSize)
-	binary.LittleEndian.PutUint32(data, uint32(len(respBody)))
-	data = append(data, respBody...)
 
-	return data, nil
-}
-
-func (h *Headscale) getMapKeepAliveResponse(
-	machineKey key.MachinePublic,
-	mapRequest tailcfg.MapRequest,
-) ([]byte, error) {
-	mapResponse := tailcfg.MapResponse{
-		KeepAlive: true,
-	}
-	var respBody []byte
-	var err error
-	if mapRequest.Compress == "zstd" {
-		src, err := json.Marshal(mapResponse)
-		if err != nil {
-			log.Error().
-				Caller().
-				Str("func", "getMapKeepAliveResponse").
-				Err(err).
-				Msg("Failed to marshal keepalive response for the client")
-
-			return nil, err
-		}
-		encoder, _ := zstd.NewWriter(nil)
-		srcCompressed := encoder.EncodeAll(src, nil)
-		respBody = h.privateKey.SealTo(machineKey, srcCompressed)
-	} else {
-		respBody, err = encode(mapResponse, &machineKey, h.privateKey)
-		if err != nil {
-			return nil, err
-		}
-	}
-	data := make([]byte, reservedResponseHeaderSize)
-	binary.LittleEndian.PutUint32(data, uint32(len(respBody)))
-	data = append(data, respBody...)
-
-	return data, nil
-}
-
-func (h *Headscale) handleMachineLogOut(
-	ctx *gin.Context,
-	machineKey key.MachinePublic,
-	machine Machine,
-) {
-	resp := tailcfg.RegisterResponse{}
-
-	log.Info().
-		Str("machine", machine.Name).
-		Msg("Client requested logout")
-
-	h.ExpireMachine(&machine)
-
-	resp.AuthURL = ""
-	resp.MachineAuthorized = false
-	resp.User = *machine.Namespace.toUser()
-	respBody, err := encode(resp, &machineKey, h.privateKey)
+	writer.Header().Set("Content-Type", "text/html; charset=utf-8")
+	writer.WriteHeader(http.StatusOK)
+	_, err = writer.Write(content.Bytes())
 	if err != nil {
 		log.Error().
 			Caller().
 			Err(err).
-			Msg("Cannot encode message")
-		ctx.String(http.StatusInternalServerError, "")
-
-		return
+			Msg("Failed to write response")
 	}
-	ctx.Data(http.StatusOK, "application/json; charset=utf-8", respBody)
-}
-
-func (h *Headscale) handleMachineValidRegistration(
-	ctx *gin.Context,
-	machineKey key.MachinePublic,
-	machine Machine,
-) {
-	resp := tailcfg.RegisterResponse{}
-
-	// The machine registration is valid, respond with redirect to /map
-	log.Debug().
-		Str("machine", machine.Name).
-		Msg("Client is registered and we have the current NodeKey. All clear to /map")
-
-	resp.AuthURL = ""
-	resp.MachineAuthorized = true
-	resp.User = *machine.Namespace.toUser()
-	resp.Login = *machine.Namespace.toLogin()
-
-	respBody, err := encode(resp, &machineKey, h.privateKey)
-	if err != nil {
-		log.Error().
-			Caller().
-			Err(err).
-			Msg("Cannot encode message")
-		machineRegistrations.WithLabelValues("update", "web", "error", machine.Namespace.Name).
-			Inc()
-		ctx.String(http.StatusInternalServerError, "")
-
-		return
-	}
-	machineRegistrations.WithLabelValues("update", "web", "success", machine.Namespace.Name).
-		Inc()
-	ctx.Data(http.StatusOK, "application/json; charset=utf-8", respBody)
-}
-
-func (h *Headscale) handleMachineExpired(
-	ctx *gin.Context,
-	machineKey key.MachinePublic,
-	registerRequest tailcfg.RegisterRequest,
-	machine Machine,
-) {
-	resp := tailcfg.RegisterResponse{}
-
-	// The client has registered before, but has expired
-	log.Debug().
-		Str("machine", machine.Name).
-		Msg("Machine registration has expired. Sending a authurl to register")
-
-	if registerRequest.Auth.AuthKey != "" {
-		h.handleAuthKey(ctx, machineKey, registerRequest)
-
-		return
-	}
-
-	if h.cfg.OIDC.Issuer != "" {
-		resp.AuthURL = fmt.Sprintf("%s/oidc/register/%s",
-			strings.TrimSuffix(h.cfg.ServerURL, "/"), machineKey.String())
-	} else {
-		resp.AuthURL = fmt.Sprintf("%s/register?key=%s",
-			strings.TrimSuffix(h.cfg.ServerURL, "/"), machineKey.String())
-	}
-
-	respBody, err := encode(resp, &machineKey, h.privateKey)
-	if err != nil {
-		log.Error().
-			Caller().
-			Err(err).
-			Msg("Cannot encode message")
-		machineRegistrations.WithLabelValues("reauth", "web", "error", machine.Namespace.Name).
-			Inc()
-		ctx.String(http.StatusInternalServerError, "")
-
-		return
-	}
-	machineRegistrations.WithLabelValues("reauth", "web", "success", machine.Namespace.Name).
-		Inc()
-	ctx.Data(http.StatusOK, "application/json; charset=utf-8", respBody)
-}
-
-func (h *Headscale) handleMachineRefreshKey(
-	ctx *gin.Context,
-	machineKey key.MachinePublic,
-	registerRequest tailcfg.RegisterRequest,
-	machine Machine,
-) {
-	resp := tailcfg.RegisterResponse{}
-
-	log.Debug().
-		Str("machine", machine.Name).
-		Msg("We have the OldNodeKey in the database. This is a key refresh")
-	machine.NodeKey = NodePublicKeyStripPrefix(registerRequest.NodeKey)
-	h.db.Save(&machine)
-
-	resp.AuthURL = ""
-	resp.User = *machine.Namespace.toUser()
-	respBody, err := encode(resp, &machineKey, h.privateKey)
-	if err != nil {
-		log.Error().
-			Caller().
-			Err(err).
-			Msg("Cannot encode message")
-		ctx.String(http.StatusInternalServerError, "Extremely sad!")
-
-		return
-	}
-	ctx.Data(http.StatusOK, "application/json; charset=utf-8", respBody)
-}
-
-func (h *Headscale) handleMachineRegistrationNew(
-	ctx *gin.Context,
-	machineKey key.MachinePublic,
-	registerRequest tailcfg.RegisterRequest,
-) {
-	resp := tailcfg.RegisterResponse{}
-
-	// The machine registration is new, redirect the client to the registration URL
-	log.Debug().
-		Str("machine", registerRequest.Hostinfo.Hostname).
-		Msg("The node is sending us a new NodeKey, sending auth url")
-	if h.cfg.OIDC.Issuer != "" {
-		resp.AuthURL = fmt.Sprintf(
-			"%s/oidc/register/%s",
-			strings.TrimSuffix(h.cfg.ServerURL, "/"),
-			machineKey.String(),
-		)
-	} else {
-		resp.AuthURL = fmt.Sprintf("%s/register?key=%s",
-			strings.TrimSuffix(h.cfg.ServerURL, "/"), MachinePublicKeyStripPrefix(machineKey))
-	}
-
-	respBody, err := encode(resp, &machineKey, h.privateKey)
-	if err != nil {
-		log.Error().
-			Caller().
-			Err(err).
-			Msg("Cannot encode message")
-		ctx.String(http.StatusInternalServerError, "")
-
-		return
-	}
-	ctx.Data(http.StatusOK, "application/json; charset=utf-8", respBody)
-}
-
-// TODO: check if any locks are needed around IP allocation.
-func (h *Headscale) handleAuthKey(
-	ctx *gin.Context,
-	machineKey key.MachinePublic,
-	registerRequest tailcfg.RegisterRequest,
-) {
-	machineKeyStr := MachinePublicKeyStripPrefix(machineKey)
-
-	log.Debug().
-		Str("func", "handleAuthKey").
-		Str("machine", registerRequest.Hostinfo.Hostname).
-		Msgf("Processing auth key for %s", registerRequest.Hostinfo.Hostname)
-	resp := tailcfg.RegisterResponse{}
-
-	pak, err := h.checkKeyValidity(registerRequest.Auth.AuthKey)
-	if err != nil {
-		log.Error().
-			Caller().
-			Str("func", "handleAuthKey").
-			Str("machine", registerRequest.Hostinfo.Hostname).
-			Err(err).
-			Msg("Failed authentication via AuthKey")
-		resp.MachineAuthorized = false
-		respBody, err := encode(resp, &machineKey, h.privateKey)
-		if err != nil {
-			log.Error().
-				Caller().
-				Str("func", "handleAuthKey").
-				Str("machine", registerRequest.Hostinfo.Hostname).
-				Err(err).
-				Msg("Cannot encode message")
-			ctx.String(http.StatusInternalServerError, "")
-			machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "error", pak.Namespace.Name).
-				Inc()
-
-			return
-		}
-
-		ctx.Data(http.StatusUnauthorized, "application/json; charset=utf-8", respBody)
-		log.Error().
-			Caller().
-			Str("func", "handleAuthKey").
-			Str("machine", registerRequest.Hostinfo.Hostname).
-			Msg("Failed authentication via AuthKey")
-		machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "error", pak.Namespace.Name).
-			Inc()
-
-		return
-	}
-
-	log.Debug().
-		Str("func", "handleAuthKey").
-		Str("machine", registerRequest.Hostinfo.Hostname).
-		Msg("Authentication key was valid, proceeding to acquire IP addresses")
-
-	nodeKey := NodePublicKeyStripPrefix(registerRequest.NodeKey)
-	now := time.Now().UTC()
-
-	machineToRegister := Machine{
-		Name:           registerRequest.Hostinfo.Hostname,
-		NamespaceID:    pak.Namespace.ID,
-		MachineKey:     machineKeyStr,
-		RegisterMethod: RegisterMethodAuthKey,
-		Expiry:         &registerRequest.Expiry,
-		NodeKey:        nodeKey,
-		LastSeen:       &now,
-		AuthKeyID:      uint(pak.ID),
-	}
-
-	machine, err := h.RegisterMachine(
-		machineToRegister,
-	)
-	if err != nil {
-		log.Error().
-			Caller().
-			Err(err).
-			Msg("could not register machine")
-		machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "error", pak.Namespace.Name).
-			Inc()
-		ctx.String(
-			http.StatusInternalServerError,
-			"could not register machine",
-		)
-
-		return
-	}
-
-	h.UsePreAuthKey(pak)
-
-	resp.MachineAuthorized = true
-	resp.User = *pak.Namespace.toUser()
-	respBody, err := encode(resp, &machineKey, h.privateKey)
-	if err != nil {
-		log.Error().
-			Caller().
-			Str("func", "handleAuthKey").
-			Str("machine", registerRequest.Hostinfo.Hostname).
-			Err(err).
-			Msg("Cannot encode message")
-		machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "error", pak.Namespace.Name).
-			Inc()
-		ctx.String(http.StatusInternalServerError, "Extremely sad!")
-
-		return
-	}
-	machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "success", pak.Namespace.Name).
-		Inc()
-	ctx.Data(http.StatusOK, "application/json; charset=utf-8", respBody)
-	log.Info().
-		Str("func", "handleAuthKey").
-		Str("machine", registerRequest.Hostinfo.Hostname).
-		Str("ips", strings.Join(machine.IPAddresses.ToStringSlice(), ", ")).
-		Msg("Successfully authenticated via AuthKey")
 }

api_common.go

@@ -0,0 +1,81 @@
+package headscale
+
+import (
+	"github.com/rs/zerolog/log"
+	"tailscale.com/tailcfg"
+)
+
+func (h *Headscale) generateMapResponse(
+	mapRequest tailcfg.MapRequest,
+	machine *Machine,
+) (*tailcfg.MapResponse, error) {
+	log.Trace().
+		Str("func", "generateMapResponse").
+		Str("machine", mapRequest.Hostinfo.Hostname).
+		Msg("Creating Map response")
+	node, err := machine.toNode(h.cfg.BaseDomain, h.cfg.DNSConfig)
+	if err != nil {
+		log.Error().
+			Caller().
+			Str("func", "generateMapResponse").
+			Err(err).
+			Msg("Cannot convert to node")
+
+		return nil, err
+	}
+
+	peers, err := h.getValidPeers(machine)
+	if err != nil {
+		log.Error().
+			Caller().
+			Str("func", "generateMapResponse").
+			Err(err).
+			Msg("Cannot fetch peers")
+
+		return nil, err
+	}
+
+	profiles := h.getMapResponseUserProfiles(*machine, peers)
+
+	nodePeers, err := peers.toNodes(h.cfg.BaseDomain, h.cfg.DNSConfig)
+	if err != nil {
+		log.Error().
+			Caller().
+			Str("func", "generateMapResponse").
+			Err(err).
+			Msg("Failed to convert peers to Tailscale nodes")
+
+		return nil, err
+	}
+
+	dnsConfig := getMapResponseDNSConfig(
+		h.cfg.DNSConfig,
+		h.cfg.BaseDomain,
+		*machine,
+		peers,
+	)
+
+	resp := tailcfg.MapResponse{
+		KeepAlive:    false,
+		Node:         node,
+		Peers:        nodePeers,
+		DNSConfig:    dnsConfig,
+		Domain:       h.cfg.BaseDomain,
+		PacketFilter: h.aclRules,
+		SSHPolicy:    h.sshPolicy,
+		DERPMap:      h.DERPMap,
+		UserProfiles: profiles,
+		Debug: &tailcfg.Debug{
+			DisableLogTail:      !h.cfg.LogTail.Enabled,
+			RandomizeClientPort: h.cfg.RandomizeClientPort,
+		},
+	}
+
+	log.Trace().
+		Str("func", "generateMapResponse").
+		Str("machine", mapRequest.Hostinfo.Hostname).
+		// Interface("payload", resp).
+		Msgf("Generated map response: %s", tailMapResponseToString(resp))
+
+	return &resp, nil
+}

api_key.go

@@ -13,9 +13,8 @@ import (
 const (
 	apiPrefixLength = 7
 	apiKeyLength    = 32
-	apiKeyParts     = 2
 
-	errAPIKeyFailedToParse = Error("Failed to parse ApiKey")
+	ErrAPIKeyFailedToParse = Error("Failed to parse ApiKey")
 )
 
 // APIKey describes the datamodel for API keys used to remotely authenticate with
@@ -57,7 +56,10 @@ func (h *Headscale) CreateAPIKey(
 		Hash:       hash,
 		Expiration: expiration,
 	}
-	h.db.Save(&key)
+
+	if err := h.db.Save(&key).Error; err != nil {
+		return "", nil, fmt.Errorf("failed to save API key to database: %w", err)
+	}
 
 	return keyStr, &key, nil
 }
@@ -112,9 +114,9 @@ func (h *Headscale) ExpireAPIKey(key *APIKey) error {
 }
 
 func (h *Headscale) ValidateAPIKey(keyStr string) (bool, error) {
-	prefix, hash, err := splitAPIKey(keyStr)
-	if err != nil {
-		return false, fmt.Errorf("failed to validate api key: %w", err)
+	prefix, hash, found := strings.Cut(keyStr, ".")
+	if !found {
+		return false, ErrAPIKeyFailedToParse
 	}
 
 	key, err := h.GetAPIKey(prefix)
@@ -133,15 +135,6 @@ func (h *Headscale) ValidateAPIKey(keyStr string) (bool, error) {
 	return true, nil
 }
 
-func splitAPIKey(key string) (string, string, error) {
-	parts := strings.Split(key, ".")
-	if len(parts) != apiKeyParts {
-		return "", "", errAPIKeyFailedToParse
-	}
-
-	return parts[0], parts[1], nil
-}
-
 func (key *APIKey) toProto() *v1.ApiKey {
 	protoKey := v1.ApiKey{
 		Id:     key.ID,

app.go

@@ -6,28 +6,28 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/fs"
 	"net"
 	"net/http"
-	"net/url"
 	"os"
 	"os/signal"
 	"sort"
+	"strconv"
 	"strings"
 	"sync"
 	"syscall"
 	"time"
 
 	"github.com/coreos/go-oidc/v3/oidc"
-	"github.com/gin-gonic/gin"
-	grpc_middleware "github.com/grpc-ecosystem/go-grpc-middleware"
+	"github.com/gorilla/mux"
+	grpcMiddleware "github.com/grpc-ecosystem/go-grpc-middleware"
 	"github.com/grpc-ecosystem/grpc-gateway/v2/runtime"
 	v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
 	"github.com/patrickmn/go-cache"
 	zerolog "github.com/philip-bui/grpc-zerolog"
+	"github.com/prometheus/client_golang/prometheus/promhttp"
+	"github.com/puzpuzpuz/xsync/v2"
 	zl "github.com/rs/zerolog"
 	"github.com/rs/zerolog/log"
-	ginprometheus "github.com/zsais/go-gin-prometheus"
 	"golang.org/x/crypto/acme"
 	"golang.org/x/crypto/acme/autocert"
 	"golang.org/x/oauth2"
@@ -41,113 +41,56 @@ import (
 	"google.golang.org/grpc/reflection"
 	"google.golang.org/grpc/status"
 	"gorm.io/gorm"
-	"inet.af/netaddr"
 	"tailscale.com/tailcfg"
 	"tailscale.com/types/dnstype"
 	"tailscale.com/types/key"
 )
 
 const (
-	AuthPrefix         = "Bearer "
-	Postgres           = "postgres"
-	Sqlite             = "sqlite3"
-	updateInterval     = 5000
-	HTTPReadTimeout    = 30 * time.Second
-	privateKeyFileMode = 0o600
-
-	registerCacheExpiration = time.Minute * 15
-	registerCacheCleanup    = time.Minute * 20
-
+	errSTUNAddressNotSet                   = Error("STUN address not set")
 	errUnsupportedDatabase                 = Error("unsupported DB")
 	errUnsupportedLetsEncryptChallengeType = Error(
 		"unknown value for Lets Encrypt challenge type",
 	)
+)
+
+const (
+	AuthPrefix          = "Bearer "
+	Postgres            = "postgres"
+	Sqlite              = "sqlite3"
+	updateInterval      = 5000
+	HTTPReadTimeout     = 30 * time.Second
+	HTTPShutdownTimeout = 3 * time.Second
+	privateKeyFileMode  = 0o600
+
+	registerCacheExpiration = time.Minute * 15
+	registerCacheCleanup    = time.Minute * 20
 
 	DisabledClientAuth = "disabled"
 	RelaxedClientAuth  = "relaxed"
 	EnforcedClientAuth = "enforced"
 )
 
-// Config contains the initial Headscale configuration.
-type Config struct {
-	ServerURL                      string
-	Addr                           string
-	MetricsAddr                    string
-	GRPCAddr                       string
-	GRPCAllowInsecure              bool
-	EphemeralNodeInactivityTimeout time.Duration
-	IPPrefixes                     []netaddr.IPPrefix
-	PrivateKeyPath                 string
-	BaseDomain                     string
-
-	DERP DERPConfig
-
-	DBtype string
-	DBpath string
-	DBhost string
-	DBport int
-	DBname string
-	DBuser string
-	DBpass string
-
-	TLSLetsEncryptListen        string
-	TLSLetsEncryptHostname      string
-	TLSLetsEncryptCacheDir      string
-	TLSLetsEncryptChallengeType string
-
-	TLSCertPath       string
-	TLSKeyPath        string
-	TLSClientAuthMode tls.ClientAuthType
-
-	ACMEURL   string
-	ACMEEmail string
-
-	DNSConfig *tailcfg.DNSConfig
-
-	UnixSocket           string
-	UnixSocketPermission fs.FileMode
-
-	OIDC OIDCConfig
-
-	CLI CLIConfig
-}
-
-type OIDCConfig struct {
-	Issuer           string
-	ClientID         string
-	ClientSecret     string
-	StripEmaildomain bool
-}
-
-type DERPConfig struct {
-	URLs            []url.URL
-	Paths           []string
-	AutoUpdate      bool
-	UpdateFrequency time.Duration
-}
-
-type CLIConfig struct {
-	Address  string
-	APIKey   string
-	Timeout  time.Duration
-	Insecure bool
-}
-
 // Headscale represents the base app of the service.
 type Headscale struct {
-	cfg        Config
-	db         *gorm.DB
-	dbString   string
-	dbType     string
-	dbDebug    bool
-	privateKey *key.MachinePrivate
+	cfg             *Config
+	db              *gorm.DB
+	dbString        string
+	dbType          string
+	dbDebug         bool
+	privateKey      *key.MachinePrivate
+	noisePrivateKey *key.MachinePrivate
 
-	DERPMap *tailcfg.DERPMap
+	noiseMux *mux.Router
+
+	DERPMap    *tailcfg.DERPMap
+	DERPServer *DERPServer
 
 	aclPolicy *ACLPolicy
 	aclRules  []tailcfg.FilterRule
+	sshPolicy *tailcfg.SSHPolicy
 
-	lastStateChange sync.Map
+	lastStateChange *xsync.MapOf[string, time.Time]
 
 	oidcProvider *oidc.Provider
 	oauth2Config *oauth2.Config
@@ -155,47 +98,52 @@ type Headscale struct {
 	registrationCache *cache.Cache
 
 	ipAllocationMutex sync.Mutex
+
+	shutdownChan       chan struct{}
+	pollNetMapStreamWG sync.WaitGroup
 }
 
-// Look up the TLS constant relative to user-supplied TLS client
-// authentication mode. If an unknown mode is supplied, the default
-// value, tls.RequireAnyClientCert, is returned. The returned boolean
-// indicates if the supplied mode was valid.
-func LookupTLSClientAuthMode(mode string) (tls.ClientAuthType, bool) {
-	switch mode {
-	case DisabledClientAuth:
-		// Client cert is _not_ required.
-		return tls.NoClientCert, true
-	case RelaxedClientAuth:
-		// Client cert required, but _not verified_.
-		return tls.RequireAnyClientCert, true
-	case EnforcedClientAuth:
-		// Client cert is _required and verified_.
-		return tls.RequireAndVerifyClientCert, true
-	default:
-		// Return the default when an unknown value is supplied.
-		return tls.RequireAnyClientCert, false
-	}
-}
-
-// NewHeadscale returns the Headscale app.
-func NewHeadscale(cfg Config) (*Headscale, error) {
-	privKey, err := readOrCreatePrivateKey(cfg.PrivateKeyPath)
+func NewHeadscale(cfg *Config) (*Headscale, error) {
+	privateKey, err := readOrCreatePrivateKey(cfg.PrivateKeyPath)
 	if err != nil {
 		return nil, fmt.Errorf("failed to read or create private key: %w", err)
 	}
 
+	// TS2021 requires to have a different key from the legacy protocol.
+	noisePrivateKey, err := readOrCreatePrivateKey(cfg.NoisePrivateKeyPath)
+	if err != nil {
+		return nil, fmt.Errorf("failed to read or create Noise protocol private key: %w", err)
+	}
+
+	if privateKey.Equal(*noisePrivateKey) {
+		return nil, fmt.Errorf("private key and noise private key are the same: %w", err)
+	}
+
 	var dbString string
 	switch cfg.DBtype {
 	case Postgres:
 		dbString = fmt.Sprintf(
-			"host=%s port=%d dbname=%s user=%s password=%s sslmode=disable",
+			"host=%s dbname=%s user=%s",
 			cfg.DBhost,
-			cfg.DBport,
 			cfg.DBname,
 			cfg.DBuser,
-			cfg.DBpass,
 		)
+
+		if sslEnabled, err := strconv.ParseBool(cfg.DBssl); err == nil {
+			if !sslEnabled {
+				dbString += " sslmode=disable"
+			}
+		} else {
+			dbString += fmt.Sprintf(" sslmode=%s", cfg.DBssl)
+		}
+
+		if cfg.DBport != 0 {
+			dbString += fmt.Sprintf(" port=%d", cfg.DBport)
+		}
+
+		if cfg.DBpass != "" {
+			dbString += fmt.Sprintf(" password=%s", cfg.DBpass)
+		}
 	case Sqlite:
 		dbString = cfg.DBpath
 	default:
@@ -208,12 +156,14 @@ func NewHeadscale(cfg Config) (*Headscale, error) {
 	)
 
 	app := Headscale{
-		cfg:               cfg,
-		dbType:            cfg.DBtype,
-		dbString:          dbString,
-		privateKey:        privKey,
-		aclRules:          tailcfg.FilterAllowAll, // default allowall
-		registrationCache: registrationCache,
+		cfg:                cfg,
+		dbType:             cfg.DBtype,
+		dbString:           dbString,
+		privateKey:         privateKey,
+		noisePrivateKey:    noisePrivateKey,
+		aclRules:           tailcfg.FilterAllowAll, // default allowall
+		registrationCache:  registrationCache,
+		pollNetMapStreamWG: sync.WaitGroup{},
 	}
 
 	err = app.initDB()
@@ -224,7 +174,11 @@ func NewHeadscale(cfg Config) (*Headscale, error) {
 	if cfg.OIDC.Issuer != "" {
 		err = app.initOIDC()
 		if err != nil {
-			return nil, err
+			if cfg.OIDC.OnlyStartIfOIDCIsAvailable {
+				return nil, err
+			} else {
+				log.Warn().Err(err).Msg("failed to set up OIDC provider, falling back to CLI based authentication")
+			}
 		}
 	}
 
@@ -232,13 +186,21 @@ func NewHeadscale(cfg Config) (*Headscale, error) {
 		magicDNSDomains := generateMagicDNSRootDomains(app.cfg.IPPrefixes)
 		// we might have routes already from Split DNS
 		if app.cfg.DNSConfig.Routes == nil {
-			app.cfg.DNSConfig.Routes = make(map[string][]dnstype.Resolver)
+			app.cfg.DNSConfig.Routes = make(map[string][]*dnstype.Resolver)
 		}
 		for _, d := range magicDNSDomains {
 			app.cfg.DNSConfig.Routes[d.WithoutTrailingDot()] = nil
 		}
 	}
 
+	if cfg.DERP.ServerEnabled {
+		embeddedDERPServer, err := app.NewDERPServer()
+		if err != nil {
+			return nil, err
+		}
+		app.DERPServer = embeddedDERPServer
+	}
+
 	return &app, nil
 }
 
@@ -276,33 +238,38 @@ func (h *Headscale) expireEphemeralNodesWorker() {
 			return
 		}
 
+		expiredFound := false
 		for _, machine := range machines {
 			if machine.AuthKey != nil && machine.LastSeen != nil &&
 				machine.AuthKey.Ephemeral &&
 				time.Now().
 					After(machine.LastSeen.Add(h.cfg.EphemeralNodeInactivityTimeout)) {
+				expiredFound = true
 				log.Info().
-					Str("machine", machine.Name).
+					Str("machine", machine.Hostname).
 					Msg("Ephemeral client removed from database")
 
 				err = h.db.Unscoped().Delete(machine).Error
 				if err != nil {
 					log.Error().
 						Err(err).
-						Str("machine", machine.Name).
+						Str("machine", machine.Hostname).
 						Msg("🤮 Cannot delete ephemeral machine from the database")
 				}
 			}
 		}
 
-		h.setLastStateChangeToNow(namespace.Name)
+		if expiredFound {
+			h.setLastStateChangeToNow()
+		}
 	}
 }
 
 func (h *Headscale) grpcAuthenticationInterceptor(ctx context.Context,
 	req interface{},
 	info *grpc.UnaryServerInfo,
-	handler grpc.UnaryHandler) (interface{}, error) {
+	handler grpc.UnaryHandler,
+) (interface{}, error) {
 	// Check if the request is coming from the on-server client.
 	// This is not secure, but it is to maintain maintainability
 	// with the "legacy" database-based client
@@ -377,50 +344,74 @@ func (h *Headscale) grpcAuthenticationInterceptor(ctx context.Context,
 	return handler(ctx, req)
 }
 
-func (h *Headscale) httpAuthenticationMiddleware(ctx *gin.Context) {
-	log.Trace().
-		Caller().
-		Str("client_address", ctx.ClientIP()).
-		Msg("HTTP authentication invoked")
-
-	authHeader := ctx.GetHeader("authorization")
-
-	if !strings.HasPrefix(authHeader, AuthPrefix) {
-		log.Error().
+func (h *Headscale) httpAuthenticationMiddleware(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(
+		writer http.ResponseWriter,
+		req *http.Request,
+	) {
+		log.Trace().
 			Caller().
-			Str("client_address", ctx.ClientIP()).
-			Msg(`missing "Bearer " prefix in "Authorization" header`)
-		ctx.AbortWithStatus(http.StatusUnauthorized)
+			Str("client_address", req.RemoteAddr).
+			Msg("HTTP authentication invoked")
 
-		return
-	}
+		authHeader := req.Header.Get("authorization")
 
-	ctx.AbortWithStatus(http.StatusUnauthorized)
+		if !strings.HasPrefix(authHeader, AuthPrefix) {
+			log.Error().
+				Caller().
+				Str("client_address", req.RemoteAddr).
+				Msg(`missing "Bearer " prefix in "Authorization" header`)
+			writer.WriteHeader(http.StatusUnauthorized)
+			_, err := writer.Write([]byte("Unauthorized"))
+			if err != nil {
+				log.Error().
+					Caller().
+					Err(err).
+					Msg("Failed to write response")
+			}
 
-	valid, err := h.ValidateAPIKey(strings.TrimPrefix(authHeader, AuthPrefix))
-	if err != nil {
-		log.Error().
-			Caller().
-			Err(err).
-			Str("client_address", ctx.ClientIP()).
-			Msg("failed to validate token")
+			return
+		}
 
-		ctx.AbortWithStatus(http.StatusInternalServerError)
+		valid, err := h.ValidateAPIKey(strings.TrimPrefix(authHeader, AuthPrefix))
+		if err != nil {
+			log.Error().
+				Caller().
+				Err(err).
+				Str("client_address", req.RemoteAddr).
+				Msg("failed to validate token")
 
-		return
-	}
+			writer.WriteHeader(http.StatusInternalServerError)
+			_, err := writer.Write([]byte("Unauthorized"))
+			if err != nil {
+				log.Error().
+					Caller().
+					Err(err).
+					Msg("Failed to write response")
+			}
 
-	if !valid {
-		log.Info().
-			Str("client_address", ctx.ClientIP()).
-			Msg("invalid token")
+			return
+		}
 
-		ctx.AbortWithStatus(http.StatusUnauthorized)
+		if !valid {
+			log.Info().
+				Str("client_address", req.RemoteAddr).
+				Msg("invalid token")
 
-		return
-	}
+			writer.WriteHeader(http.StatusUnauthorized)
+			_, err := writer.Write([]byte("Unauthorized"))
+			if err != nil {
+				log.Error().
+					Caller().
+					Err(err).
+					Msg("Failed to write response")
+			}
 
-	ctx.Next()
+			return
+		}
+
+		next.ServeHTTP(writer, req)
+	})
 }
 
 // ensureUnixSocketIsAbsent will check if the given path for headscales unix socket is clear
@@ -434,42 +425,49 @@ func (h *Headscale) ensureUnixSocketIsAbsent() error {
 	return os.Remove(h.cfg.UnixSocket)
 }
 
-func (h *Headscale) createPrometheusRouter() *gin.Engine {
-	promRouter := gin.Default()
+func (h *Headscale) createRouter(grpcMux *runtime.ServeMux) *mux.Router {
+	router := mux.NewRouter()
 
-	prometheus := ginprometheus.NewPrometheus("gin")
-	prometheus.Use(promRouter)
+	router.HandleFunc(ts2021UpgradePath, h.NoiseUpgradeHandler).Methods(http.MethodPost)
 
-	return promRouter
-}
+	router.HandleFunc("/health", h.HealthHandler).Methods(http.MethodGet)
+	router.HandleFunc("/key", h.KeyHandler).Methods(http.MethodGet)
+	router.HandleFunc("/register/{nkey}", h.RegisterWebAPI).Methods(http.MethodGet)
+	h.addLegacyHandlers(router)
 
-func (h *Headscale) createRouter(grpcMux *runtime.ServeMux) *gin.Engine {
-	router := gin.Default()
+	router.HandleFunc("/oidc/register/{nkey}", h.RegisterOIDC).Methods(http.MethodGet)
+	router.HandleFunc("/oidc/callback", h.OIDCCallback).Methods(http.MethodGet)
+	router.HandleFunc("/apple", h.AppleConfigMessage).Methods(http.MethodGet)
+	router.HandleFunc("/apple/{platform}", h.ApplePlatformConfig).
+		Methods(http.MethodGet)
+	router.HandleFunc("/windows", h.WindowsConfigMessage).Methods(http.MethodGet)
+	router.HandleFunc("/windows/tailscale.reg", h.WindowsRegConfig).
+		Methods(http.MethodGet)
+	router.HandleFunc("/swagger", SwaggerUI).Methods(http.MethodGet)
+	router.HandleFunc("/swagger/v1/openapiv2.json", SwaggerAPIv1).
+		Methods(http.MethodGet)
 
-	router.GET(
-		"/health",
-		func(c *gin.Context) { c.JSON(http.StatusOK, gin.H{"healthy": "ok"}) },
-	)
-	router.GET("/key", h.KeyHandler)
-	router.GET("/register", h.RegisterWebAPI)
-	router.POST("/machine/:id/map", h.PollNetMapHandler)
-	router.POST("/machine/:id", h.RegistrationHandler)
-	router.GET("/oidc/register/:mkey", h.RegisterOIDC)
-	router.GET("/oidc/callback", h.OIDCCallback)
-	router.GET("/apple", h.AppleConfigMessage)
-	router.GET("/apple/:platform", h.ApplePlatformConfig)
-	router.GET("/windows", h.WindowsConfigMessage)
-	router.GET("/windows/tailscale.reg", h.WindowsRegConfig)
-	router.GET("/swagger", SwaggerUI)
-	router.GET("/swagger/v1/openapiv2.json", SwaggerAPIv1)
-
-	api := router.Group("/api")
-	api.Use(h.httpAuthenticationMiddleware)
-	{
-		api.Any("/v1/*any", gin.WrapF(grpcMux.ServeHTTP))
+	if h.cfg.DERP.ServerEnabled {
+		router.HandleFunc("/derp", h.DERPHandler)
+		router.HandleFunc("/derp/probe", h.DERPProbeHandler)
+		router.HandleFunc("/bootstrap-dns", h.DERPBootstrapDNSHandler)
 	}
 
-	router.NoRoute(stdoutHandler)
+	apiRouter := router.PathPrefix("/api").Subrouter()
+	apiRouter.Use(h.httpAuthenticationMiddleware)
+	apiRouter.PathPrefix("/v1/").HandlerFunc(grpcMux.ServeHTTP)
+
+	router.PathPrefix("/").HandlerFunc(stdoutHandler)
+
+	return router
+}
+
+func (h *Headscale) createNoiseMux() *mux.Router {
+	router := mux.NewRouter()
+
+	router.HandleFunc("/machine/register", h.NoiseRegistrationHandler).
+		Methods(http.MethodPost)
+	router.HandleFunc("/machine/map", h.NoisePollNetMapHandler)
 
 	return router
 }
@@ -481,6 +479,16 @@ func (h *Headscale) Serve() error {
 	// Fetch an initial DERP Map before we start serving
 	h.DERPMap = GetDERPMap(h.cfg.DERP)
 
+	if h.cfg.DERP.ServerEnabled {
+		// When embedded DERP is enabled we always need a STUN server
+		if h.cfg.DERP.STUNAddr == "" {
+			return errSTUNAddressNotSet
+		}
+
+		h.DERPMap.Regions[h.DERPServer.region.RegionID] = &h.DERPServer.region
+		go h.ServeSTUN()
+	}
+
 	if h.cfg.DERP.AutoUpdate {
 		derpMapCancelChannel := make(chan struct{})
 		defer func() { derpMapCancelChannel <- struct{}{} }()
@@ -522,19 +530,6 @@ func (h *Headscale) Serve() error {
 		return fmt.Errorf("failed change permission of gRPC socket: %w", err)
 	}
 
-	// Handle common process-killing signals so we can gracefully shut down:
-	sigc := make(chan os.Signal, 1)
-	signal.Notify(sigc, os.Interrupt, syscall.SIGTERM)
-	go func(c chan os.Signal) {
-		// Wait for a SIGINT or SIGKILL:
-		sig := <-c
-		log.Printf("Caught signal %s: shutting down.", sig)
-		// Stop listening (and unlink the socket if unix type):
-		socketListener.Close()
-		// And we're done:
-		os.Exit(0)
-	}(sigc)
-
 	grpcGatewayMux := runtime.NewServeMux()
 
 	// Make the grpc-gateway connect to grpc over socket
@@ -588,12 +583,14 @@ func (h *Headscale) Serve() error {
 	// https://github.com/soheilhy/cmux/issues/68
 	// https://github.com/soheilhy/cmux/issues/91
 
+	var grpcServer *grpc.Server
+	var grpcListener net.Listener
 	if tlsConfig != nil || h.cfg.GRPCAllowInsecure {
 		log.Info().Msgf("Enabling remote gRPC at %s", h.cfg.GRPCAddr)
 
 		grpcOptions := []grpc.ServerOption{
 			grpc.UnaryInterceptor(
-				grpc_middleware.ChainUnaryServer(
+				grpcMiddleware.ChainUnaryServer(
 					h.grpcAuthenticationInterceptor,
 					zerolog.NewUnaryServerInterceptor(),
 				),
@@ -608,12 +605,12 @@ func (h *Headscale) Serve() error {
 			log.Warn().Msg("gRPC is running without security")
 		}
 
-		grpcServer := grpc.NewServer(grpcOptions...)
+		grpcServer = grpc.NewServer(grpcOptions...)
 
 		v1.RegisterHeadscaleServiceServer(grpcServer, newHeadscaleV1APIServer(h))
 		reflection.Register(grpcServer)
 
-		grpcListener, err := net.Listen("tcp", h.cfg.GRPCAddr)
+		grpcListener, err = net.Listen("tcp", h.cfg.GRPCAddr)
 		if err != nil {
 			return fmt.Errorf("failed to bind to TCP address: %w", err)
 		}
@@ -628,9 +625,16 @@ func (h *Headscale) Serve() error {
 	//
 	// HTTP setup
 	//
-
+	// This is the regular router that we expose
+	// over our main Addr. It also serves the legacy Tailcale API
 	router := h.createRouter(grpcGatewayMux)
 
+	// This router is served only over the Noise connection, and exposes only the new API.
+	//
+	// The HTTP2 server that exposes this router is created for
+	// a single hijacked connection from /ts2021, using netutil.NewOneConnListener
+	h.noiseMux = h.createNoiseMux()
+
 	httpServer := &http.Server{
 		Addr:        h.cfg.Addr,
 		Handler:     router,
@@ -658,11 +662,12 @@ func (h *Headscale) Serve() error {
 	log.Info().
 		Msgf("listening and serving HTTP on: %s", h.cfg.Addr)
 
-	promRouter := h.createPrometheusRouter()
+	promMux := http.NewServeMux()
+	promMux.Handle("/metrics", promhttp.Handler())
 
 	promHTTPServer := &http.Server{
 		Addr:         h.cfg.MetricsAddr,
-		Handler:      promRouter,
+		Handler:      promMux,
 		ReadTimeout:  HTTPReadTimeout,
 		WriteTimeout: 0,
 	}
@@ -679,12 +684,105 @@ func (h *Headscale) Serve() error {
 	log.Info().
 		Msgf("listening and serving metrics on: %s", h.cfg.MetricsAddr)
 
+	// Handle common process-killing signals so we can gracefully shut down:
+	h.shutdownChan = make(chan struct{})
+	sigc := make(chan os.Signal, 1)
+	signal.Notify(sigc,
+		syscall.SIGHUP,
+		syscall.SIGINT,
+		syscall.SIGTERM,
+		syscall.SIGQUIT,
+		syscall.SIGHUP)
+	sigFunc := func(c chan os.Signal) {
+		// Wait for a SIGINT or SIGKILL:
+		for {
+			sig := <-c
+			switch sig {
+			case syscall.SIGHUP:
+				log.Info().
+					Str("signal", sig.String()).
+					Msg("Received SIGHUP, reloading ACL and Config")
+
+				// TODO(kradalby): Reload config on SIGHUP
+
+				if h.cfg.ACL.PolicyPath != "" {
+					aclPath := AbsolutePathFromConfigPath(h.cfg.ACL.PolicyPath)
+					err := h.LoadACLPolicy(aclPath)
+					if err != nil {
+						log.Error().Err(err).Msg("Failed to reload ACL policy")
+					}
+					log.Info().
+						Str("path", aclPath).
+						Msg("ACL policy successfully reloaded, notifying nodes of change")
+
+					h.setLastStateChangeToNow()
+				}
+
+			default:
+				log.Info().
+					Str("signal", sig.String()).
+					Msg("Received signal to stop, shutting down gracefully")
+
+				close(h.shutdownChan)
+				h.pollNetMapStreamWG.Wait()
+
+				// Gracefully shut down servers
+				ctx, cancel := context.WithTimeout(
+					context.Background(),
+					HTTPShutdownTimeout,
+				)
+				if err := promHTTPServer.Shutdown(ctx); err != nil {
+					log.Error().Err(err).Msg("Failed to shutdown prometheus http")
+				}
+				if err := httpServer.Shutdown(ctx); err != nil {
+					log.Error().Err(err).Msg("Failed to shutdown http")
+				}
+				grpcSocket.GracefulStop()
+
+				if grpcServer != nil {
+					grpcServer.GracefulStop()
+					grpcListener.Close()
+				}
+
+				// Close network listeners
+				promHTTPListener.Close()
+				httpListener.Close()
+				grpcGatewayConn.Close()
+
+				// Stop listening (and unlink the socket if unix type):
+				socketListener.Close()
+
+				// Close db connections
+				db, err := h.db.DB()
+				if err != nil {
+					log.Error().Err(err).Msg("Failed to get db handle")
+				}
+				err = db.Close()
+				if err != nil {
+					log.Error().Err(err).Msg("Failed to close db")
+				}
+
+				log.Info().
+					Msg("Headscale stopped")
+
+				// And we're done:
+				cancel()
+				os.Exit(0)
+			}
+		}
+	}
+	errorGroup.Go(func() error {
+		sigFunc(sigc)
+
+		return nil
+	})
+
 	return errorGroup.Wait()
 }
 
 func (h *Headscale) getTLSSettings() (*tls.Config, error) {
 	var err error
-	if h.cfg.TLSLetsEncryptHostname != "" {
+	if h.cfg.TLS.LetsEncrypt.Hostname != "" {
 		if !strings.HasPrefix(h.cfg.ServerURL, "https://") {
 			log.Warn().
 				Msg("Listening with TLS but ServerURL does not start with https://")
@@ -692,29 +790,37 @@ func (h *Headscale) getTLSSettings() (*tls.Config, error) {
 
 		certManager := autocert.Manager{
 			Prompt:     autocert.AcceptTOS,
-			HostPolicy: autocert.HostWhitelist(h.cfg.TLSLetsEncryptHostname),
-			Cache:      autocert.DirCache(h.cfg.TLSLetsEncryptCacheDir),
+			HostPolicy: autocert.HostWhitelist(h.cfg.TLS.LetsEncrypt.Hostname),
+			Cache:      autocert.DirCache(h.cfg.TLS.LetsEncrypt.CacheDir),
 			Client: &acme.Client{
 				DirectoryURL: h.cfg.ACMEURL,
 			},
 			Email: h.cfg.ACMEEmail,
 		}
 
-		switch h.cfg.TLSLetsEncryptChallengeType {
-		case "TLS-ALPN-01":
+		switch h.cfg.TLS.LetsEncrypt.ChallengeType {
+		case tlsALPN01ChallengeType:
 			// Configuration via autocert with TLS-ALPN-01 (https://tools.ietf.org/html/rfc8737)
 			// The RFC requires that the validation is done on port 443; in other words, headscale
 			// must be reachable on port 443.
 			return certManager.TLSConfig(), nil
 
-		case "HTTP-01":
+		case http01ChallengeType:
 			// Configuration via autocert with HTTP-01. This requires listening on
 			// port 80 for the certificate validation in addition to the headscale
 			// service, which can be configured to run on any other port.
+
+			server := &http.Server{
+				Addr:        h.cfg.TLS.LetsEncrypt.Listen,
+				Handler:     certManager.HTTPHandler(http.HandlerFunc(h.redirect)),
+				ReadTimeout: HTTPReadTimeout,
+			}
+
 			go func() {
+				err := server.ListenAndServe()
 				log.Fatal().
 					Caller().
-					Err(http.ListenAndServe(h.cfg.TLSLetsEncryptListen, certManager.HTTPHandler(http.HandlerFunc(h.redirect)))).
+					Err(err).
 					Msg("failed to set up a HTTP server")
 			}()
 
@@ -723,7 +829,7 @@ func (h *Headscale) getTLSSettings() (*tls.Config, error) {
 		default:
 			return nil, errUnsupportedLetsEncryptChallengeType
 		}
-	} else if h.cfg.TLSCertPath == "" {
+	} else if h.cfg.TLS.CertPath == "" {
 		if !strings.HasPrefix(h.cfg.ServerURL, "http://") {
 			log.Warn().Msg("Listening without TLS but ServerURL does not start with http://")
 		}
@@ -734,38 +840,57 @@ func (h *Headscale) getTLSSettings() (*tls.Config, error) {
 			log.Warn().Msg("Listening with TLS but ServerURL does not start with https://")
 		}
 
-		log.Info().Msg(fmt.Sprintf(
-			"Client authentication (mTLS) is \"%s\". See the docs to learn about configuring this setting.",
-			h.cfg.TLSClientAuthMode))
-
 		tlsConfig := &tls.Config{
-			ClientAuth:   h.cfg.TLSClientAuthMode,
 			NextProtos:   []string{"http/1.1"},
 			Certificates: make([]tls.Certificate, 1),
 			MinVersion:   tls.VersionTLS12,
 		}
 
-		tlsConfig.Certificates[0], err = tls.LoadX509KeyPair(h.cfg.TLSCertPath, h.cfg.TLSKeyPath)
+		tlsConfig.Certificates[0], err = tls.LoadX509KeyPair(h.cfg.TLS.CertPath, h.cfg.TLS.KeyPath)
 
 		return tlsConfig, err
 	}
 }
 
-func (h *Headscale) setLastStateChangeToNow(namespace string) {
-	now := time.Now().UTC()
-	lastStateUpdate.WithLabelValues("", "headscale").Set(float64(now.Unix()))
-	h.lastStateChange.Store(namespace, now)
-}
+func (h *Headscale) setLastStateChangeToNow() {
+	var err error
 
-func (h *Headscale) getLastStateChange(namespaces ...string) time.Time {
-	times := []time.Time{}
+	now := time.Now().UTC()
+
+	namespaces, err := h.ListNamespaces()
+	if err != nil {
+		log.Error().
+			Caller().
+			Err(err).
+			Msg("failed to fetch all namespaces, failing to update last changed state.")
+	}
 
 	for _, namespace := range namespaces {
-		if wrapped, ok := h.lastStateChange.Load(namespace); ok {
-			lastChange, _ := wrapped.(time.Time)
-
-			times = append(times, lastChange)
+		lastStateUpdate.WithLabelValues(namespace.Name, "headscale").Set(float64(now.Unix()))
+		if h.lastStateChange == nil {
+			h.lastStateChange = xsync.NewMapOf[time.Time]()
 		}
+		h.lastStateChange.Store(namespace.Name, now)
+	}
+}
+
+func (h *Headscale) getLastStateChange(namespaces ...Namespace) time.Time {
+	times := []time.Time{}
+
+	// getLastStateChange takes a list of namespaces as a "filter", if no namespaces
+	// are past, then use the entier list of namespaces and look for the last update
+	if len(namespaces) > 0 {
+		for _, namespace := range namespaces {
+			if lastChange, ok := h.lastStateChange.Load(namespace.Name); ok {
+				times = append(times, lastChange)
+			}
+		}
+	} else {
+		h.lastStateChange.Range(func(key string, value time.Time) bool {
+			times = append(times, value)
+
+			return true
+		})
 	}
 
 	sort.Slice(times, func(i, j int) bool {
@@ -781,13 +906,16 @@ func (h *Headscale) getLastStateChange(namespaces ...string) time.Time {
 	}
 }
 
-func stdoutHandler(ctx *gin.Context) {
-	body, _ := io.ReadAll(ctx.Request.Body)
+func stdoutHandler(
+	writer http.ResponseWriter,
+	req *http.Request,
+) {
+	body, _ := io.ReadAll(req.Body)
 
 	log.Trace().
-		Interface("header", ctx.Request.Header).
-		Interface("proto", ctx.Request.Proto).
-		Interface("url", ctx.Request.URL).
+		Interface("header", req.Header).
+		Interface("proto", req.Proto).
+		Interface("url", req.URL).
 		Bytes("body", body).
 		Msg("Request did not match")
 }

app_test.go

@@ -1,12 +1,11 @@
 package headscale
 
 import (
-	"io/ioutil"
+	"net/netip"
 	"os"
 	"testing"
 
 	"gopkg.in/check.v1"
-	"inet.af/netaddr"
 )
 
 func Test(t *testing.T) {
@@ -35,18 +34,18 @@ func (s *Suite) ResetDB(c *check.C) {
 		os.RemoveAll(tmpDir)
 	}
 	var err error
-	tmpDir, err = ioutil.TempDir("", "autoygg-client-test")
+	tmpDir, err = os.MkdirTemp("", "autoygg-client-test")
 	if err != nil {
 		c.Fatal(err)
 	}
 	cfg := Config{
-		IPPrefixes: []netaddr.IPPrefix{
-			netaddr.MustParseIPPrefix("10.27.0.0/23"),
+		IPPrefixes: []netip.Prefix{
+			netip.MustParsePrefix("10.27.0.0/23"),
 		},
 	}
 
 	app = Headscale{
-		cfg:      cfg,
+		cfg:      &cfg,
 		dbType:   "sqlite3",
 		dbString: tmpDir + "/headscale_test.db",
 	}
@@ -60,20 +59,3 @@ func (s *Suite) ResetDB(c *check.C) {
 	}
 	app.db = db
 }
-
-// Enusre an error is returned when an invalid auth mode
-// is supplied.
-func (s *Suite) TestInvalidClientAuthMode(c *check.C) {
-	_, isValid := LookupTLSClientAuthMode("invalid")
-	c.Assert(isValid, check.Equals, false)
-}
-
-// Ensure that all client auth modes return a nil error.
-func (s *Suite) TestAuthModes(c *check.C) {
-	modes := []string{"disabled", "relaxed", "enforced"}
-
-	for _, v := range modes {
-		_, isValid := LookupTLSClientAuthMode(v)
-		c.Assert(isValid, check.Equals, true)
-	}
-}

cmd/headscale/cli/api_key.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/juanfont/headscale"
 	v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
+	"github.com/prometheus/common/model"
 	"github.com/pterm/pterm"
 	"github.com/rs/zerolog/log"
 	"github.com/spf13/cobra"
@@ -15,7 +16,7 @@ import (
 
 const (
 	// 90 days.
-	DefaultAPIKeyExpiry = 90 * 24 * time.Hour
+	DefaultAPIKeyExpiry = "90d"
 )
 
 func init() {
@@ -23,7 +24,7 @@ func init() {
 	apiKeysCmd.AddCommand(listAPIKeys)
 
 	createAPIKeyCmd.Flags().
-		DurationP("expiration", "e", DefaultAPIKeyExpiry, "Human-readable expiration of the key (30m, 24h, 365d...)")
+		StringP("expiration", "e", DefaultAPIKeyExpiry, "Human-readable expiration of the key (e.g. 30m, 24h)")
 
 	apiKeysCmd.AddCommand(createAPIKeyCmd)
 
@@ -118,10 +119,24 @@ If you loose a key, create a new one and revoke (expire) the old one.`,
 
 		request := &v1.CreateApiKeyRequest{}
 
-		duration, _ := cmd.Flags().GetDuration("expiration")
-		expiration := time.Now().UTC().Add(duration)
+		durationStr, _ := cmd.Flags().GetString("expiration")
 
-		log.Trace().Dur("expiration", duration).Msg("expiration has been set")
+		duration, err := model.ParseDuration(durationStr)
+		if err != nil {
+			ErrorOutput(
+				err,
+				fmt.Sprintf("Could not parse duration: %s\n", err),
+				output,
+			)
+
+			return
+		}
+
+		expiration := time.Now().UTC().Add(time.Duration(duration))
+
+		log.Trace().
+			Dur("expiration", time.Duration(duration)).
+			Msg("expiration has been set")
 
 		request.Expiration = timestamppb.New(expiration)
 

cmd/headscale/cli/debug.go

@@ -3,6 +3,7 @@ package cli
 import (
 	"fmt"
 
+	"github.com/juanfont/headscale"
 	v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
 	"github.com/rs/zerolog/log"
 	"github.com/spf13/cobra"
@@ -10,8 +11,7 @@ import (
 )
 
 const (
-	keyLength             = 64
-	errPreAuthKeyTooShort = Error("key too short, must be 64 hexadecimal characters")
+	errPreAuthKeyMalformed = Error("key is malformed. expected 64 hex characters with `nodekey` prefix")
 )
 
 // Error is used to compare errors as per https://dave.cheney.net/2016/04/07/constant-errors
@@ -87,8 +87,8 @@ var createNodeCmd = &cobra.Command{
 
 			return
 		}
-		if len(machineKey) != keyLength {
-			err = errPreAuthKeyTooShort
+		if !headscale.NodePublicKeyRegex.Match([]byte(machineKey)) {
+			err = errPreAuthKeyMalformed
 			ErrorOutput(
 				err,
 				fmt.Sprintf("Error: %s", err),

cmd/headscale/cli/dump_config.go

@@ -0,0 +1,28 @@
+package cli
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+func init() {
+	rootCmd.AddCommand(dumpConfigCmd)
+}
+
+var dumpConfigCmd = &cobra.Command{
+	Use:    "dumpConfig",
+	Short:  "dump current config to /etc/headscale/config.dump.yaml, integration test only",
+	Hidden: true,
+	Args: func(cmd *cobra.Command, args []string) error {
+		return nil
+	},
+	Run: func(cmd *cobra.Command, args []string) {
+		err := viper.WriteConfigAs("/etc/headscale/config.dump.yaml")
+		if err != nil {
+			//nolint
+			fmt.Println("Failed to dump config")
+		}
+	},
+}

cmd/headscale/cli/mockoidc.go

@@ -0,0 +1,104 @@
+package cli
+
+import (
+	"fmt"
+	"net"
+	"os"
+	"strconv"
+	"time"
+
+	"github.com/oauth2-proxy/mockoidc"
+	"github.com/rs/zerolog/log"
+	"github.com/spf13/cobra"
+)
+
+const (
+	errMockOidcClientIDNotDefined     = Error("MOCKOIDC_CLIENT_ID not defined")
+	errMockOidcClientSecretNotDefined = Error("MOCKOIDC_CLIENT_SECRET not defined")
+	errMockOidcPortNotDefined         = Error("MOCKOIDC_PORT not defined")
+	accessTTL                         = 10 * time.Minute
+	refreshTTL                        = 60 * time.Minute
+)
+
+func init() {
+	rootCmd.AddCommand(mockOidcCmd)
+}
+
+var mockOidcCmd = &cobra.Command{
+	Use:   "mockoidc",
+	Short: "Runs a mock OIDC server for testing",
+	Long:  "This internal command runs a OpenID Connect for testing purposes",
+	Run: func(cmd *cobra.Command, args []string) {
+		err := mockOIDC()
+		if err != nil {
+			log.Error().Err(err).Msgf("Error running mock OIDC server")
+			os.Exit(1)
+		}
+	},
+}
+
+func mockOIDC() error {
+	clientID := os.Getenv("MOCKOIDC_CLIENT_ID")
+	if clientID == "" {
+		return errMockOidcClientIDNotDefined
+	}
+	clientSecret := os.Getenv("MOCKOIDC_CLIENT_SECRET")
+	if clientSecret == "" {
+		return errMockOidcClientSecretNotDefined
+	}
+	addrStr := os.Getenv("MOCKOIDC_ADDR")
+	if addrStr == "" {
+		return errMockOidcPortNotDefined
+	}
+	portStr := os.Getenv("MOCKOIDC_PORT")
+	if portStr == "" {
+		return errMockOidcPortNotDefined
+	}
+
+	port, err := strconv.Atoi(portStr)
+	if err != nil {
+		return err
+	}
+
+	mock, err := getMockOIDC(clientID, clientSecret)
+	if err != nil {
+		return err
+	}
+
+	listener, err := net.Listen("tcp", fmt.Sprintf("%s:%d", addrStr, port))
+	if err != nil {
+		return err
+	}
+
+	err = mock.Start(listener, nil)
+	if err != nil {
+		return err
+	}
+	log.Info().Msgf("Mock OIDC server listening on %s", listener.Addr().String())
+	log.Info().Msgf("Issuer: %s", mock.Issuer())
+	c := make(chan struct{})
+	<-c
+
+	return nil
+}
+
+func getMockOIDC(clientID string, clientSecret string) (*mockoidc.MockOIDC, error) {
+	keypair, err := mockoidc.NewKeypair(nil)
+	if err != nil {
+		return nil, err
+	}
+
+	mock := mockoidc.MockOIDC{
+		ClientID:                      clientID,
+		ClientSecret:                  clientSecret,
+		AccessTTL:                     accessTTL,
+		RefreshTTL:                    refreshTTL,
+		CodeChallengeMethodsSupported: []string{"plain", "S256"},
+		Keypair:                       keypair,
+		SessionStore:                  mockoidc.NewSessionStore(),
+		UserQueue:                     &mockoidc.UserQueue{},
+		ErrorQueue:                    &mockoidc.ErrorQueue{},
+	}
+
+	return &mock, nil
+}

cmd/headscale/cli/nodes.go

@@ -3,6 +3,7 @@ package cli
 import (
 	"fmt"
 	"log"
+	"net/netip"
 	"strconv"
 	"strings"
 	"time"
@@ -19,6 +20,7 @@ import (
 func init() {
 	rootCmd.AddCommand(nodeCmd)
 	listNodesCmd.Flags().StringP("namespace", "n", "", "Filter by namespace")
+	listNodesCmd.Flags().BoolP("tags", "t", false, "Show tags")
 	nodeCmd.AddCommand(listNodesCmd)
 
 	registerNodeCmd.Flags().StringP("namespace", "n", "", "Namespace")
@@ -40,12 +42,44 @@ func init() {
 	}
 	nodeCmd.AddCommand(expireNodeCmd)
 
+	renameNodeCmd.Flags().Uint64P("identifier", "i", 0, "Node identifier (ID)")
+	err = renameNodeCmd.MarkFlagRequired("identifier")
+	if err != nil {
+		log.Fatalf(err.Error())
+	}
+	nodeCmd.AddCommand(renameNodeCmd)
+
 	deleteNodeCmd.Flags().Uint64P("identifier", "i", 0, "Node identifier (ID)")
 	err = deleteNodeCmd.MarkFlagRequired("identifier")
 	if err != nil {
 		log.Fatalf(err.Error())
 	}
 	nodeCmd.AddCommand(deleteNodeCmd)
+
+	moveNodeCmd.Flags().Uint64P("identifier", "i", 0, "Node identifier (ID)")
+
+	err = moveNodeCmd.MarkFlagRequired("identifier")
+	if err != nil {
+		log.Fatalf(err.Error())
+	}
+
+	moveNodeCmd.Flags().StringP("namespace", "n", "", "New namespace")
+
+	err = moveNodeCmd.MarkFlagRequired("namespace")
+	if err != nil {
+		log.Fatalf(err.Error())
+	}
+	nodeCmd.AddCommand(moveNodeCmd)
+
+	tagCmd.Flags().Uint64P("identifier", "i", 0, "Node identifier (ID)")
+
+	err = tagCmd.MarkFlagRequired("identifier")
+	if err != nil {
+		log.Fatalf(err.Error())
+	}
+	tagCmd.Flags().
+		StringSliceP("tags", "t", []string{}, "List of tags to add to the node")
+	nodeCmd.AddCommand(tagCmd)
 }
 
 var nodeCmd = &cobra.Command{
@@ -74,7 +108,7 @@ var registerNodeCmd = &cobra.Command{
 		if err != nil {
 			ErrorOutput(
 				err,
-				fmt.Sprintf("Error getting machine key from flag: %s", err),
+				fmt.Sprintf("Error getting node key from flag: %s", err),
 				output,
 			)
 
@@ -100,7 +134,9 @@ var registerNodeCmd = &cobra.Command{
 			return
 		}
 
-		SuccessOutput(response.Machine, "Machine register", output)
+		SuccessOutput(
+			response.Machine,
+			fmt.Sprintf("Machine %s registered", response.Machine.GivenName), output)
 	},
 }
 
@@ -116,6 +152,12 @@ var listNodesCmd = &cobra.Command{
 
 			return
 		}
+		showTags, err := cmd.Flags().GetBool("tags")
+		if err != nil {
+			ErrorOutput(err, fmt.Sprintf("Error getting tags flag: %s", err), output)
+
+			return
+		}
 
 		ctx, client, conn, cancel := getHeadscaleCLIClient()
 		defer cancel()
@@ -142,7 +184,7 @@ var listNodesCmd = &cobra.Command{
 			return
 		}
 
-		tableData, err := nodesToPtables(namespace, response.Machines)
+		tableData, err := nodesToPtables(namespace, showTags, response.Machines)
 		if err != nil {
 			ErrorOutput(err, fmt.Sprintf("Error converting to table: %s", err), output)
 
@@ -207,6 +249,54 @@ var expireNodeCmd = &cobra.Command{
 	},
 }
 
+var renameNodeCmd = &cobra.Command{
+	Use:   "rename NEW_NAME",
+	Short: "Renames a machine in your network",
+	Run: func(cmd *cobra.Command, args []string) {
+		output, _ := cmd.Flags().GetString("output")
+
+		identifier, err := cmd.Flags().GetUint64("identifier")
+		if err != nil {
+			ErrorOutput(
+				err,
+				fmt.Sprintf("Error converting ID to integer: %s", err),
+				output,
+			)
+
+			return
+		}
+
+		ctx, client, conn, cancel := getHeadscaleCLIClient()
+		defer cancel()
+		defer conn.Close()
+
+		newName := ""
+		if len(args) > 0 {
+			newName = args[0]
+		}
+		request := &v1.RenameMachineRequest{
+			MachineId: identifier,
+			NewName:   newName,
+		}
+
+		response, err := client.RenameMachine(ctx, request)
+		if err != nil {
+			ErrorOutput(
+				err,
+				fmt.Sprintf(
+					"Cannot rename machine: %s\n",
+					status.Convert(err).Message(),
+				),
+				output,
+			)
+
+			return
+		}
+
+		SuccessOutput(response.Machine, "Machine renamed", output)
+	},
+}
+
 var deleteNodeCmd = &cobra.Command{
 	Use:     "delete",
 	Short:   "Delete a node",
@@ -296,23 +386,105 @@ var deleteNodeCmd = &cobra.Command{
 	},
 }
 
+var moveNodeCmd = &cobra.Command{
+	Use:     "move",
+	Short:   "Move node to another namespace",
+	Aliases: []string{"mv"},
+	Run: func(cmd *cobra.Command, args []string) {
+		output, _ := cmd.Flags().GetString("output")
+
+		identifier, err := cmd.Flags().GetUint64("identifier")
+		if err != nil {
+			ErrorOutput(
+				err,
+				fmt.Sprintf("Error converting ID to integer: %s", err),
+				output,
+			)
+
+			return
+		}
+
+		namespace, err := cmd.Flags().GetString("namespace")
+		if err != nil {
+			ErrorOutput(
+				err,
+				fmt.Sprintf("Error getting namespace: %s", err),
+				output,
+			)
+
+			return
+		}
+
+		ctx, client, conn, cancel := getHeadscaleCLIClient()
+		defer cancel()
+		defer conn.Close()
+
+		getRequest := &v1.GetMachineRequest{
+			MachineId: identifier,
+		}
+
+		_, err = client.GetMachine(ctx, getRequest)
+		if err != nil {
+			ErrorOutput(
+				err,
+				fmt.Sprintf(
+					"Error getting node: %s",
+					status.Convert(err).Message(),
+				),
+				output,
+			)
+
+			return
+		}
+
+		moveRequest := &v1.MoveMachineRequest{
+			MachineId: identifier,
+			Namespace: namespace,
+		}
+
+		moveResponse, err := client.MoveMachine(ctx, moveRequest)
+		if err != nil {
+			ErrorOutput(
+				err,
+				fmt.Sprintf(
+					"Error moving node: %s",
+					status.Convert(err).Message(),
+				),
+				output,
+			)
+
+			return
+		}
+
+		SuccessOutput(moveResponse.Machine, "Node moved to another namespace", output)
+	},
+}
+
 func nodesToPtables(
 	currentNamespace string,
+	showTags bool,
 	machines []*v1.Machine,
 ) (pterm.TableData, error) {
-	tableData := pterm.TableData{
-		{
-			"ID",
-			"Name",
-			"NodeKey",
-			"Namespace",
-			"IP addresses",
-			"Ephemeral",
-			"Last seen",
-			"Online",
-			"Expired",
-		},
+	tableHeader := []string{
+		"ID",
+		"Hostname",
+		"Name",
+		"NodeKey",
+		"Namespace",
+		"IP addresses",
+		"Ephemeral",
+		"Last seen",
+		"Online",
+		"Expired",
 	}
+	if showTags {
+		tableHeader = append(tableHeader, []string{
+			"ForcedTags",
+			"InvalidTags",
+			"ValidTags",
+		}...)
+	}
+	tableData := pterm.TableData{tableHeader}
 
 	for _, machine := range machines {
 		var ephemeral bool
@@ -356,6 +528,26 @@ func nodesToPtables(
 			expired = pterm.LightRed("yes")
 		}
 
+		var forcedTags string
+		for _, tag := range machine.ForcedTags {
+			forcedTags += "," + tag
+		}
+		forcedTags = strings.TrimLeft(forcedTags, ",")
+		var invalidTags string
+		for _, tag := range machine.InvalidTags {
+			if !contains(machine.ForcedTags, tag) {
+				invalidTags += "," + pterm.LightRed(tag)
+			}
+		}
+		invalidTags = strings.TrimLeft(invalidTags, ",")
+		var validTags string
+		for _, tag := range machine.ValidTags {
+			if !contains(machine.ForcedTags, tag) {
+				validTags += "," + pterm.LightGreen(tag)
+			}
+		}
+		validTags = strings.TrimLeft(validTags, ",")
+
 		var namespace string
 		if currentNamespace == "" || (currentNamespace == machine.Namespace.Name) {
 			namespace = pterm.LightMagenta(machine.Namespace.Name)
@@ -363,21 +555,95 @@ func nodesToPtables(
 			// Shared into this namespace
 			namespace = pterm.LightYellow(machine.Namespace.Name)
 		}
+
+		var IPV4Address string
+		var IPV6Address string
+		for _, addr := range machine.IpAddresses {
+			if netip.MustParseAddr(addr).Is4() {
+				IPV4Address = addr
+			} else {
+				IPV6Address = addr
+			}
+		}
+
+		nodeData := []string{
+			strconv.FormatUint(machine.Id, headscale.Base10),
+			machine.Name,
+			machine.GetGivenName(),
+			nodeKey.ShortString(),
+			namespace,
+			strings.Join([]string{IPV4Address, IPV6Address}, ", "),
+			strconv.FormatBool(ephemeral),
+			lastSeenTime,
+			online,
+			expired,
+		}
+		if showTags {
+			nodeData = append(nodeData, []string{forcedTags, invalidTags, validTags}...)
+		}
 		tableData = append(
 			tableData,
-			[]string{
-				strconv.FormatUint(machine.Id, headscale.Base10),
-				machine.Name,
-				nodeKey.ShortString(),
-				namespace,
-				strings.Join(machine.IpAddresses, ", "),
-				strconv.FormatBool(ephemeral),
-				lastSeenTime,
-				online,
-				expired,
-			},
+			nodeData,
 		)
 	}
 
 	return tableData, nil
 }
+
+var tagCmd = &cobra.Command{
+	Use:     "tag",
+	Short:   "Manage the tags of a node",
+	Aliases: []string{"tags", "t"},
+	Run: func(cmd *cobra.Command, args []string) {
+		output, _ := cmd.Flags().GetString("output")
+		ctx, client, conn, cancel := getHeadscaleCLIClient()
+		defer cancel()
+		defer conn.Close()
+
+		// retrieve flags from CLI
+		identifier, err := cmd.Flags().GetUint64("identifier")
+		if err != nil {
+			ErrorOutput(
+				err,
+				fmt.Sprintf("Error converting ID to integer: %s", err),
+				output,
+			)
+
+			return
+		}
+		tagsToSet, err := cmd.Flags().GetStringSlice("tags")
+		if err != nil {
+			ErrorOutput(
+				err,
+				fmt.Sprintf("Error retrieving list of tags to add to machine, %v", err),
+				output,
+			)
+
+			return
+		}
+
+		// Sending tags to machine
+		request := &v1.SetTagsRequest{
+			MachineId: identifier,
+			Tags:      tagsToSet,
+		}
+		resp, err := client.SetTags(ctx, request)
+		if err != nil {
+			ErrorOutput(
+				err,
+				fmt.Sprintf("Error while sending tags to headscale: %s", err),
+				output,
+			)
+
+			return
+		}
+
+		if resp != nil {
+			SuccessOutput(
+				resp.GetMachine(),
+				"Machine updated",
+				output,
+			)
+		}
+	},
+}

cmd/headscale/cli/preauthkeys.go

@@ -3,9 +3,11 @@ package cli
 import (
 	"fmt"
 	"strconv"
+	"strings"
 	"time"
 
 	v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
+	"github.com/prometheus/common/model"
 	"github.com/pterm/pterm"
 	"github.com/rs/zerolog/log"
 	"github.com/spf13/cobra"
@@ -13,7 +15,7 @@ import (
 )
 
 const (
-	DefaultPreAuthKeyExpiry = 1 * time.Hour
+	DefaultPreAuthKeyExpiry = "1h"
 )
 
 func init() {
@@ -31,7 +33,9 @@ func init() {
 	createPreAuthKeyCmd.PersistentFlags().
 		Bool("ephemeral", false, "Preauthkey for ephemeral nodes")
 	createPreAuthKeyCmd.Flags().
-		DurationP("expiration", "e", DefaultPreAuthKeyExpiry, "Human-readable expiration of the key (30m, 24h, 365d...)")
+		StringP("expiration", "e", DefaultPreAuthKeyExpiry, "Human-readable expiration of the key (e.g. 30m, 24h)")
+	createPreAuthKeyCmd.Flags().
+		StringSlice("tags", []string{}, "Tags to automatically assign to node")
 }
 
 var preauthkeysCmd = &cobra.Command{
@@ -80,7 +84,16 @@ var listPreAuthKeys = &cobra.Command{
 		}
 
 		tableData := pterm.TableData{
-			{"ID", "Key", "Reusable", "Ephemeral", "Used", "Expiration", "Created"},
+			{
+				"ID",
+				"Key",
+				"Reusable",
+				"Ephemeral",
+				"Used",
+				"Expiration",
+				"Created",
+				"Tags",
+			},
 		}
 		for _, key := range response.PreAuthKeys {
 			expiration := "-"
@@ -95,6 +108,14 @@ var listPreAuthKeys = &cobra.Command{
 				reusable = fmt.Sprintf("%v", key.GetReusable())
 			}
 
+			aclTags := ""
+
+			for _, tag := range key.AclTags {
+				aclTags += "," + tag
+			}
+
+			aclTags = strings.TrimLeft(aclTags, ",")
+
 			tableData = append(tableData, []string{
 				key.GetId(),
 				key.GetKey(),
@@ -103,6 +124,7 @@ var listPreAuthKeys = &cobra.Command{
 				strconv.FormatBool(key.GetUsed()),
 				expiration,
 				key.GetCreatedAt().AsTime().Format("2006-01-02 15:04:05"),
+				aclTags,
 			})
 
 		}
@@ -135,6 +157,7 @@ var createPreAuthKeyCmd = &cobra.Command{
 
 		reusable, _ := cmd.Flags().GetBool("reusable")
 		ephemeral, _ := cmd.Flags().GetBool("ephemeral")
+		tags, _ := cmd.Flags().GetStringSlice("tags")
 
 		log.Trace().
 			Bool("reusable", reusable).
@@ -146,12 +169,27 @@ var createPreAuthKeyCmd = &cobra.Command{
 			Namespace: namespace,
 			Reusable:  reusable,
 			Ephemeral: ephemeral,
+			AclTags:   tags,
 		}
 
-		duration, _ := cmd.Flags().GetDuration("expiration")
-		expiration := time.Now().UTC().Add(duration)
+		durationStr, _ := cmd.Flags().GetString("expiration")
 
-		log.Trace().Dur("expiration", duration).Msg("expiration has been set")
+		duration, err := model.ParseDuration(durationStr)
+		if err != nil {
+			ErrorOutput(
+				err,
+				fmt.Sprintf("Could not parse duration: %s\n", err),
+				output,
+			)
+
+			return
+		}
+
+		expiration := time.Now().UTC().Add(time.Duration(duration))
+
+		log.Trace().
+			Dur("expiration", time.Duration(duration)).
+			Msg("expiration has been set")
 
 		request.Expiration = timestamppb.New(expiration)
 

cmd/headscale/cli/root.go

@@ -3,17 +3,86 @@ package cli
 import (
 	"fmt"
 	"os"
+	"runtime"
 
+	"github.com/juanfont/headscale"
+	"github.com/rs/zerolog"
+	"github.com/rs/zerolog/log"
 	"github.com/spf13/cobra"
+	"github.com/tcnksm/go-latest"
 )
 
+var cfgFile string = ""
+
 func init() {
+	if len(os.Args) > 1 && (os.Args[1] == "version" || os.Args[1] == "mockoidc" || os.Args[1] == "completion") {
+		return
+	}
+
+	cobra.OnInitialize(initConfig)
+	rootCmd.PersistentFlags().
+		StringVarP(&cfgFile, "config", "c", "", "config file (default is /etc/headscale/config.yaml)")
 	rootCmd.PersistentFlags().
 		StringP("output", "o", "", "Output format. Empty for human-readable, 'json', 'json-line' or 'yaml'")
 	rootCmd.PersistentFlags().
 		Bool("force", false, "Disable prompts and forces the execution")
 }
 
+func initConfig() {
+	if cfgFile == "" {
+		cfgFile = os.Getenv("HEADSCALE_CONFIG")
+	}
+	if cfgFile != "" {
+		err := headscale.LoadConfig(cfgFile, true)
+		if err != nil {
+			log.Fatal().Caller().Err(err).Msgf("Error loading config file %s", cfgFile)
+		}
+	} else {
+		err := headscale.LoadConfig("", false)
+		if err != nil {
+			log.Fatal().Caller().Err(err).Msgf("Error loading config")
+		}
+	}
+
+	cfg, err := headscale.GetHeadscaleConfig()
+	if err != nil {
+		log.Fatal().Caller().Err(err)
+	}
+
+	machineOutput := HasMachineOutputFlag()
+
+	zerolog.SetGlobalLevel(cfg.Log.Level)
+
+	// If the user has requested a "machine" readable format,
+	// then disable login so the output remains valid.
+	if machineOutput {
+		zerolog.SetGlobalLevel(zerolog.Disabled)
+	}
+
+	if cfg.Log.Format == headscale.JSONLogFormat {
+		log.Logger = log.Output(os.Stdout)
+	}
+
+	if !cfg.DisableUpdateCheck && !machineOutput {
+		if (runtime.GOOS == "linux" || runtime.GOOS == "darwin") &&
+			Version != "dev" {
+			githubTag := &latest.GithubTag{
+				Owner:      "juanfont",
+				Repository: "headscale",
+			}
+			res, err := latest.Check(githubTag, Version)
+			if err == nil && res.Outdated {
+				//nolint
+				fmt.Printf(
+					"An updated version of Headscale has been found (%s vs. your current %s). Check it out https://github.com/juanfont/headscale/releases\n",
+					res.Current,
+					Version,
+				)
+			}
+		}
+	}
+}
+
 var rootCmd = &cobra.Command{
 	Use:   "headscale",
 	Short: "headscale - a Tailscale control server",

cmd/headscale/cli/routes.go

@@ -24,6 +24,8 @@ func init() {
 	enableRouteCmd.Flags().
 		StringSliceP("route", "r", []string{}, "List (or repeated flags) of routes to enable")
 	enableRouteCmd.Flags().Uint64P("identifier", "i", 0, "Node identifier (ID)")
+	enableRouteCmd.Flags().BoolP("all", "a", false, "All routes from host")
+
 	err = enableRouteCmd.MarkFlagRequired("identifier")
 	if err != nil {
 		log.Fatalf(err.Error())
@@ -125,21 +127,43 @@ omit the route you do not want to enable.
 			return
 		}
 
-		routes, err := cmd.Flags().GetStringSlice("route")
-		if err != nil {
-			ErrorOutput(
-				err,
-				fmt.Sprintf("Error getting routes from flag: %s", err),
-				output,
-			)
-
-			return
-		}
-
 		ctx, client, conn, cancel := getHeadscaleCLIClient()
 		defer cancel()
 		defer conn.Close()
 
+		var routes []string
+
+		isAll, _ := cmd.Flags().GetBool("all")
+		if isAll {
+			response, err := client.GetMachineRoute(ctx, &v1.GetMachineRouteRequest{
+				MachineId: machineID,
+			})
+			if err != nil {
+				ErrorOutput(
+					err,
+					fmt.Sprintf(
+						"Cannot get machine routes: %s\n",
+						status.Convert(err).Message(),
+					),
+					output,
+				)
+
+				return
+			}
+			routes = response.GetRoutes().GetAdvertisedRoutes()
+		} else {
+			routes, err = cmd.Flags().GetStringSlice("route")
+			if err != nil {
+				ErrorOutput(
+					err,
+					fmt.Sprintf("Error getting routes from flag: %s", err),
+					output,
+				)
+
+				return
+			}
+		}
+
 		request := &v1.EnableMachineRoutesRequest{
 			MachineId: machineID,
 			Routes:    routes,

cmd/headscale/cli/server.go

@@ -1,8 +1,7 @@
 package cli
 
 import (
-	"log"
-
+	"github.com/rs/zerolog/log"
 	"github.com/spf13/cobra"
 )
 
@@ -17,14 +16,14 @@ var serveCmd = &cobra.Command{
 		return nil
 	},
 	Run: func(cmd *cobra.Command, args []string) {
-		h, err := getHeadscaleApp()
+		app, err := getHeadscaleApp()
 		if err != nil {
-			log.Fatalf("Error initializing: %s", err)
+			log.Fatal().Caller().Err(err).Msg("Error initializing")
 		}
 
-		err = h.Serve()
+		err = app.Serve()
 		if err != nil {
-			log.Fatalf("Error initializing: %s", err)
+			log.Fatal().Caller().Err(err).Msg("Error starting server")
 		}
 	},
 }

cmd/headscale/cli/utils.go

@@ -4,381 +4,33 @@ import (
 	"context"
 	"crypto/tls"
 	"encoding/json"
-	"errors"
 	"fmt"
-	"io/fs"
-	"net/url"
 	"os"
-	"path/filepath"
-	"strconv"
-	"strings"
-	"time"
+	"reflect"
 
 	"github.com/juanfont/headscale"
 	v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
 	"github.com/rs/zerolog/log"
-	"github.com/spf13/viper"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials"
 	"google.golang.org/grpc/credentials/insecure"
 	"gopkg.in/yaml.v2"
-	"inet.af/netaddr"
-	"tailscale.com/tailcfg"
-	"tailscale.com/types/dnstype"
 )
 
 const (
-	PermissionFallback      = 0o700
 	HeadscaleDateTimeFormat = "2006-01-02 15:04:05"
+	SocketWritePermissions  = 0o666
 )
 
-func LoadConfig(path string) error {
-	viper.SetConfigName("config")
-	if path == "" {
-		viper.AddConfigPath("/etc/headscale/")
-		viper.AddConfigPath("$HOME/.headscale")
-		viper.AddConfigPath(".")
-	} else {
-		// For testing
-		viper.AddConfigPath(path)
-	}
-
-	viper.SetEnvPrefix("headscale")
-	viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
-	viper.AutomaticEnv()
-
-	viper.SetDefault("tls_letsencrypt_cache_dir", "/var/www/.cache")
-	viper.SetDefault("tls_letsencrypt_challenge_type", "HTTP-01")
-	viper.SetDefault("tls_client_auth_mode", "relaxed")
-
-	viper.SetDefault("log_level", "info")
-
-	viper.SetDefault("dns_config", nil)
-
-	viper.SetDefault("unix_socket", "/var/run/headscale.sock")
-	viper.SetDefault("unix_socket_permission", "0o770")
-
-	viper.SetDefault("grpc_listen_addr", ":50443")
-	viper.SetDefault("grpc_allow_insecure", false)
-
-	viper.SetDefault("cli.timeout", "5s")
-	viper.SetDefault("cli.insecure", false)
-
-	viper.SetDefault("oidc.strip_email_domain", true)
-
-	if err := viper.ReadInConfig(); err != nil {
-		return fmt.Errorf("fatal error reading config file: %w", err)
-	}
-
-	// Collect any validation errors and return them all at once
-	var errorText string
-	if (viper.GetString("tls_letsencrypt_hostname") != "") &&
-		((viper.GetString("tls_cert_path") != "") || (viper.GetString("tls_key_path") != "")) {
-		errorText += "Fatal config error: set either tls_letsencrypt_hostname or tls_cert_path/tls_key_path, not both\n"
-	}
-
-	if (viper.GetString("tls_letsencrypt_hostname") != "") &&
-		(viper.GetString("tls_letsencrypt_challenge_type") == "TLS-ALPN-01") &&
-		(!strings.HasSuffix(viper.GetString("listen_addr"), ":443")) {
-		// this is only a warning because there could be something sitting in front of headscale that redirects the traffic (e.g. an iptables rule)
-		log.Warn().
-			Msg("Warning: when using tls_letsencrypt_hostname with TLS-ALPN-01 as challenge type, headscale must be reachable on port 443, i.e. listen_addr should probably end in :443")
-	}
-
-	if (viper.GetString("tls_letsencrypt_challenge_type") != "HTTP-01") &&
-		(viper.GetString("tls_letsencrypt_challenge_type") != "TLS-ALPN-01") {
-		errorText += "Fatal config error: the only supported values for tls_letsencrypt_challenge_type are HTTP-01 and TLS-ALPN-01\n"
-	}
-
-	if !strings.HasPrefix(viper.GetString("server_url"), "http://") &&
-		!strings.HasPrefix(viper.GetString("server_url"), "https://") {
-		errorText += "Fatal config error: server_url must start with https:// or http://\n"
-	}
-
-	_, authModeValid := headscale.LookupTLSClientAuthMode(
-		viper.GetString("tls_client_auth_mode"),
-	)
-
-	if !authModeValid {
-		errorText += fmt.Sprintf(
-			"Invalid tls_client_auth_mode supplied: %s. Accepted values: %s, %s, %s.",
-			viper.GetString("tls_client_auth_mode"),
-			headscale.DisabledClientAuth,
-			headscale.RelaxedClientAuth,
-			headscale.EnforcedClientAuth)
-	}
-
-	if errorText != "" {
-		//nolint
-		return errors.New(strings.TrimSuffix(errorText, "\n"))
-	} else {
-		return nil
-	}
-}
-
-func GetDERPConfig() headscale.DERPConfig {
-	urlStrs := viper.GetStringSlice("derp.urls")
-
-	urls := make([]url.URL, len(urlStrs))
-	for index, urlStr := range urlStrs {
-		urlAddr, err := url.Parse(urlStr)
-		if err != nil {
-			log.Error().
-				Str("url", urlStr).
-				Err(err).
-				Msg("Failed to parse url, ignoring...")
-		}
-
-		urls[index] = *urlAddr
-	}
-
-	paths := viper.GetStringSlice("derp.paths")
-
-	autoUpdate := viper.GetBool("derp.auto_update_enabled")
-	updateFrequency := viper.GetDuration("derp.update_frequency")
-
-	return headscale.DERPConfig{
-		URLs:            urls,
-		Paths:           paths,
-		AutoUpdate:      autoUpdate,
-		UpdateFrequency: updateFrequency,
-	}
-}
-
-func GetDNSConfig() (*tailcfg.DNSConfig, string) {
-	if viper.IsSet("dns_config") {
-		dnsConfig := &tailcfg.DNSConfig{}
-
-		if viper.IsSet("dns_config.nameservers") {
-			nameserversStr := viper.GetStringSlice("dns_config.nameservers")
-
-			nameservers := make([]netaddr.IP, len(nameserversStr))
-			resolvers := make([]dnstype.Resolver, len(nameserversStr))
-
-			for index, nameserverStr := range nameserversStr {
-				nameserver, err := netaddr.ParseIP(nameserverStr)
-				if err != nil {
-					log.Error().
-						Str("func", "getDNSConfig").
-						Err(err).
-						Msgf("Could not parse nameserver IP: %s", nameserverStr)
-				}
-
-				nameservers[index] = nameserver
-				resolvers[index] = dnstype.Resolver{
-					Addr: nameserver.String(),
-				}
-			}
-
-			dnsConfig.Nameservers = nameservers
-			dnsConfig.Resolvers = resolvers
-		}
-
-		if viper.IsSet("dns_config.restricted_nameservers") {
-			if len(dnsConfig.Nameservers) > 0 {
-				dnsConfig.Routes = make(map[string][]dnstype.Resolver)
-				restrictedDNS := viper.GetStringMapStringSlice(
-					"dns_config.restricted_nameservers",
-				)
-				for domain, restrictedNameservers := range restrictedDNS {
-					restrictedResolvers := make(
-						[]dnstype.Resolver,
-						len(restrictedNameservers),
-					)
-					for index, nameserverStr := range restrictedNameservers {
-						nameserver, err := netaddr.ParseIP(nameserverStr)
-						if err != nil {
-							log.Error().
-								Str("func", "getDNSConfig").
-								Err(err).
-								Msgf("Could not parse restricted nameserver IP: %s", nameserverStr)
-						}
-						restrictedResolvers[index] = dnstype.Resolver{
-							Addr: nameserver.String(),
-						}
-					}
-					dnsConfig.Routes[domain] = restrictedResolvers
-				}
-			} else {
-				log.Warn().
-					Msg("Warning: dns_config.restricted_nameservers is set, but no nameservers are configured. Ignoring restricted_nameservers.")
-			}
-		}
-
-		if viper.IsSet("dns_config.domains") {
-			dnsConfig.Domains = viper.GetStringSlice("dns_config.domains")
-		}
-
-		if viper.IsSet("dns_config.magic_dns") {
-			magicDNS := viper.GetBool("dns_config.magic_dns")
-			if len(dnsConfig.Nameservers) > 0 {
-				dnsConfig.Proxied = magicDNS
-			} else if magicDNS {
-				log.Warn().
-					Msg("Warning: dns_config.magic_dns is set, but no nameservers are configured. Ignoring magic_dns.")
-			}
-		}
-
-		var baseDomain string
-		if viper.IsSet("dns_config.base_domain") {
-			baseDomain = viper.GetString("dns_config.base_domain")
-		} else {
-			baseDomain = "headscale.net" // does not really matter when MagicDNS is not enabled
-		}
-
-		return dnsConfig, baseDomain
-	}
-
-	return nil, ""
-}
-
-func absPath(path string) string {
-	// If a relative path is provided, prefix it with the the directory where
-	// the config file was found.
-	if (path != "") && !strings.HasPrefix(path, string(os.PathSeparator)) {
-		dir, _ := filepath.Split(viper.ConfigFileUsed())
-		if dir != "" {
-			path = filepath.Join(dir, path)
-		}
-	}
-
-	return path
-}
-
-func getHeadscaleConfig() headscale.Config {
-	dnsConfig, baseDomain := GetDNSConfig()
-	derpConfig := GetDERPConfig()
-
-	configuredPrefixes := viper.GetStringSlice("ip_prefixes")
-	parsedPrefixes := make([]netaddr.IPPrefix, 0, len(configuredPrefixes)+1)
-
-	legacyPrefixField := viper.GetString("ip_prefix")
-	if len(legacyPrefixField) > 0 {
-		log.
-			Warn().
-			Msgf(
-				"%s, %s",
-				"use of 'ip_prefix' for configuration is deprecated",
-				"please see 'ip_prefixes' in the shipped example.",
-			)
-		legacyPrefix, err := netaddr.ParseIPPrefix(legacyPrefixField)
-		if err != nil {
-			panic(fmt.Errorf("failed to parse ip_prefix: %w", err))
-		}
-		parsedPrefixes = append(parsedPrefixes, legacyPrefix)
-	}
-
-	for i, prefixInConfig := range configuredPrefixes {
-		prefix, err := netaddr.ParseIPPrefix(prefixInConfig)
-		if err != nil {
-			panic(fmt.Errorf("failed to parse ip_prefixes[%d]: %w", i, err))
-		}
-		parsedPrefixes = append(parsedPrefixes, prefix)
-	}
-
-	prefixes := make([]netaddr.IPPrefix, 0, len(parsedPrefixes))
-	{
-		// dedup
-		normalizedPrefixes := make(map[string]int, len(parsedPrefixes))
-		for i, p := range parsedPrefixes {
-			normalized, _ := p.Range().Prefix()
-			normalizedPrefixes[normalized.String()] = i
-		}
-
-		// convert back to list
-		for _, i := range normalizedPrefixes {
-			prefixes = append(prefixes, parsedPrefixes[i])
-		}
-	}
-
-	if len(prefixes) < 1 {
-		prefixes = append(prefixes, netaddr.MustParseIPPrefix("100.64.0.0/10"))
-		log.Warn().
-			Msgf("'ip_prefixes' not configured, falling back to default: %v", prefixes)
-	}
-
-	tlsClientAuthMode, _ := headscale.LookupTLSClientAuthMode(
-		viper.GetString("tls_client_auth_mode"),
-	)
-
-	return headscale.Config{
-		ServerURL:         viper.GetString("server_url"),
-		Addr:              viper.GetString("listen_addr"),
-		MetricsAddr:       viper.GetString("metrics_listen_addr"),
-		GRPCAddr:          viper.GetString("grpc_listen_addr"),
-		GRPCAllowInsecure: viper.GetBool("grpc_allow_insecure"),
-
-		IPPrefixes:     prefixes,
-		PrivateKeyPath: absPath(viper.GetString("private_key_path")),
-		BaseDomain:     baseDomain,
-
-		DERP: derpConfig,
-
-		EphemeralNodeInactivityTimeout: viper.GetDuration(
-			"ephemeral_node_inactivity_timeout",
-		),
-
-		DBtype: viper.GetString("db_type"),
-		DBpath: absPath(viper.GetString("db_path")),
-		DBhost: viper.GetString("db_host"),
-		DBport: viper.GetInt("db_port"),
-		DBname: viper.GetString("db_name"),
-		DBuser: viper.GetString("db_user"),
-		DBpass: viper.GetString("db_pass"),
-
-		TLSLetsEncryptHostname: viper.GetString("tls_letsencrypt_hostname"),
-		TLSLetsEncryptListen:   viper.GetString("tls_letsencrypt_listen"),
-		TLSLetsEncryptCacheDir: absPath(
-			viper.GetString("tls_letsencrypt_cache_dir"),
-		),
-		TLSLetsEncryptChallengeType: viper.GetString("tls_letsencrypt_challenge_type"),
-
-		TLSCertPath:       absPath(viper.GetString("tls_cert_path")),
-		TLSKeyPath:        absPath(viper.GetString("tls_key_path")),
-		TLSClientAuthMode: tlsClientAuthMode,
-
-		DNSConfig: dnsConfig,
-
-		ACMEEmail: viper.GetString("acme_email"),
-		ACMEURL:   viper.GetString("acme_url"),
-
-		UnixSocket:           viper.GetString("unix_socket"),
-		UnixSocketPermission: GetFileMode("unix_socket_permission"),
-
-		OIDC: headscale.OIDCConfig{
-			Issuer:           viper.GetString("oidc.issuer"),
-			ClientID:         viper.GetString("oidc.client_id"),
-			ClientSecret:     viper.GetString("oidc.client_secret"),
-			StripEmaildomain: viper.GetBool("oidc.strip_email_domain"),
-		},
-
-		CLI: headscale.CLIConfig{
-			Address:  viper.GetString("cli.address"),
-			APIKey:   viper.GetString("cli.api_key"),
-			Timeout:  viper.GetDuration("cli.timeout"),
-			Insecure: viper.GetBool("cli.insecure"),
-		},
-	}
-}
-
 func getHeadscaleApp() (*headscale.Headscale, error) {
-	// Minimum inactivity time out is keepalive timeout (60s) plus a few seconds
-	// to avoid races
-	minInactivityTimeout, _ := time.ParseDuration("65s")
-	if viper.GetDuration("ephemeral_node_inactivity_timeout") <= minInactivityTimeout {
-		// TODO: Find a better way to return this text
-		//nolint
-		err := fmt.Errorf(
-			"ephemeral_node_inactivity_timeout (%s) is set too low, must be more than %s",
-			viper.GetString("ephemeral_node_inactivity_timeout"),
-			minInactivityTimeout,
+	cfg, err := headscale.GetHeadscaleConfig()
+	if err != nil {
+		return nil, fmt.Errorf(
+			"failed to load configuration while creating headscale instance: %w",
+			err,
 		)
-
-		return nil, err
 	}
 
-	cfg := getHeadscaleConfig()
-
 	app, err := headscale.NewHeadscale(cfg)
 	if err != nil {
 		return nil, err
@@ -386,11 +38,11 @@ func getHeadscaleApp() (*headscale.Headscale, error) {
 
 	// We are doing this here, as in the future could be cool to have it also hot-reload
 
-	if viper.GetString("acl_policy_path") != "" {
-		aclPath := absPath(viper.GetString("acl_policy_path"))
+	if cfg.ACL.PolicyPath != "" {
+		aclPath := headscale.AbsolutePathFromConfigPath(cfg.ACL.PolicyPath)
 		err = app.LoadACLPolicy(aclPath)
 		if err != nil {
-			log.Error().
+			log.Fatal().
 				Str("path", aclPath).
 				Err(err).
 				Msg("Could not load the ACL policy")
@@ -401,7 +53,14 @@ func getHeadscaleApp() (*headscale.Headscale, error) {
 }
 
 func getHeadscaleCLIClient() (context.Context, v1.HeadscaleServiceClient, *grpc.ClientConn, context.CancelFunc) {
-	cfg := getHeadscaleConfig()
+	cfg, err := headscale.GetHeadscaleConfig()
+	if err != nil {
+		log.Fatal().
+			Err(err).
+			Caller().
+			Msgf("Failed to load configuration")
+		os.Exit(-1) // we get here if logging is suppressed (i.e., json output)
+	}
 
 	log.Debug().
 		Dur("timeout", cfg.CLI.Timeout).
@@ -423,6 +82,19 @@ func getHeadscaleCLIClient() (context.Context, v1.HeadscaleServiceClient, *grpc.
 
 		address = cfg.UnixSocket
 
+		// Try to give the user better feedback if we cannot write to the headscale
+		// socket.
+		socket, err := os.OpenFile(cfg.UnixSocket, os.O_WRONLY, SocketWritePermissions) //nolint
+		if err != nil {
+			if os.IsPermission(err) {
+				log.Fatal().
+					Err(err).
+					Str("socket", cfg.UnixSocket).
+					Msgf("Unable to read/write to headscale socket, do you have the correct permissions?")
+			}
+		}
+		socket.Close()
+
 		grpcOptions = append(
 			grpcOptions,
 			grpc.WithTransportCredentials(insecure.NewCredentials()),
@@ -462,6 +134,7 @@ func getHeadscaleCLIClient() (context.Context, v1.HeadscaleServiceClient, *grpc.
 	conn, err := grpc.DialContext(ctx, address, grpcOptions...)
 	if err != nil {
 		log.Fatal().Caller().Err(err).Msgf("Could not connect: %v", err)
+		os.Exit(-1) // we get here if logging is suppressed (i.e., json output)
 	}
 
 	client := v1.NewHeadscaleServiceClient(conn)
@@ -535,13 +208,12 @@ func (tokenAuth) RequireTransportSecurity() bool {
 	return true
 }
 
-func GetFileMode(key string) fs.FileMode {
-	modeStr := viper.GetString(key)
-
-	mode, err := strconv.ParseUint(modeStr, headscale.Base8, headscale.BitSize64)
-	if err != nil {
-		return PermissionFallback
+func contains[T string](ts []T, t T) bool {
+	for _, v := range ts {
+		if reflect.DeepEqual(v, t) {
+			return true
+		}
 	}
 
-	return fs.FileMode(mode)
+	return false
 }

cmd/headscale/headscale.go

@@ -1,17 +1,13 @@
 package main
 
 import (
-	"fmt"
 	"os"
-	"runtime"
 	"time"
 
 	"github.com/efekarakus/termcolor"
 	"github.com/juanfont/headscale/cmd/headscale/cli"
 	"github.com/rs/zerolog"
 	"github.com/rs/zerolog/log"
-	"github.com/spf13/viper"
-	"github.com/tcnksm/go-latest"
 )
 
 func main() {
@@ -43,44 +39,5 @@ func main() {
 		NoColor:    !colors,
 	})
 
-	if err := cli.LoadConfig(""); err != nil {
-		log.Fatal().Caller().Err(err)
-	}
-
-	machineOutput := cli.HasMachineOutputFlag()
-
-	logLevel := viper.GetString("log_level")
-	level, err := zerolog.ParseLevel(logLevel)
-	if err != nil {
-		zerolog.SetGlobalLevel(zerolog.DebugLevel)
-	} else {
-		zerolog.SetGlobalLevel(level)
-	}
-
-	// If the user has requested a "machine" readable format,
-	// then disable login so the output remains valid.
-	if machineOutput {
-		zerolog.SetGlobalLevel(zerolog.Disabled)
-	}
-
-	if !viper.GetBool("disable_check_updates") && !machineOutput {
-		if (runtime.GOOS == "linux" || runtime.GOOS == "darwin") &&
-			cli.Version != "dev" {
-			githubTag := &latest.GithubTag{
-				Owner:      "juanfont",
-				Repository: "headscale",
-			}
-			res, err := latest.Check(githubTag, cli.Version)
-			if err == nil && res.Outdated {
-				//nolint
-				fmt.Printf(
-					"An updated version of Headscale has been found (%s vs. your current %s). Check it out https://github.com/juanfont/headscale/releases\n",
-					res.Current,
-					cli.Version,
-				)
-			}
-		}
-	}
-
 	cli.Execute()
 }

cmd/headscale/headscale_test.go

@@ -2,13 +2,12 @@ package main
 
 import (
 	"io/fs"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strings"
 	"testing"
 
-	"github.com/juanfont/headscale/cmd/headscale/cli"
+	"github.com/juanfont/headscale"
 	"github.com/spf13/viper"
 	"gopkg.in/check.v1"
 )
@@ -27,8 +26,8 @@ func (s *Suite) SetUpSuite(c *check.C) {
 func (s *Suite) TearDownSuite(c *check.C) {
 }
 
-func (*Suite) TestConfigLoading(c *check.C) {
-	tmpDir, err := ioutil.TempDir("", "headscale")
+func (*Suite) TestConfigFileLoading(c *check.C) {
+	tmpDir, err := os.MkdirTemp("", "headscale")
 	if err != nil {
 		c.Fatal(err)
 	}
@@ -39,38 +38,41 @@ func (*Suite) TestConfigLoading(c *check.C) {
 		c.Fatal(err)
 	}
 
+	cfgFile := filepath.Join(tmpDir, "config.yaml")
+
 	// Symlink the example config file
 	err = os.Symlink(
 		filepath.Clean(path+"/../../config-example.yaml"),
-		filepath.Join(tmpDir, "config.yaml"),
+		cfgFile,
 	)
 	if err != nil {
 		c.Fatal(err)
 	}
 
 	// Load example config, it should load without validation errors
-	err = cli.LoadConfig(tmpDir)
+	err = headscale.LoadConfig(cfgFile, true)
 	c.Assert(err, check.IsNil)
 
 	// Test that config file was interpreted correctly
 	c.Assert(viper.GetString("server_url"), check.Equals, "http://127.0.0.1:8080")
-	c.Assert(viper.GetString("listen_addr"), check.Equals, "0.0.0.0:8080")
+	c.Assert(viper.GetString("listen_addr"), check.Equals, "127.0.0.1:8080")
 	c.Assert(viper.GetString("metrics_listen_addr"), check.Equals, "127.0.0.1:9090")
 	c.Assert(viper.GetString("db_type"), check.Equals, "sqlite3")
-	c.Assert(viper.GetString("db_path"), check.Equals, "/var/lib/headscale/db.sqlite")
+	c.Assert(viper.GetString("db_path"), check.Equals, "./db.sqlite")
 	c.Assert(viper.GetString("tls_letsencrypt_hostname"), check.Equals, "")
 	c.Assert(viper.GetString("tls_letsencrypt_listen"), check.Equals, ":http")
 	c.Assert(viper.GetString("tls_letsencrypt_challenge_type"), check.Equals, "HTTP-01")
 	c.Assert(viper.GetStringSlice("dns_config.nameservers")[0], check.Equals, "1.1.1.1")
 	c.Assert(
-		cli.GetFileMode("unix_socket_permission"),
+		headscale.GetFileMode("unix_socket_permission"),
 		check.Equals,
 		fs.FileMode(0o770),
 	)
+	c.Assert(viper.GetBool("logtail.enabled"), check.Equals, false)
 }
 
-func (*Suite) TestDNSConfigLoading(c *check.C) {
-	tmpDir, err := ioutil.TempDir("", "headscale")
+func (*Suite) TestConfigLoading(c *check.C) {
+	tmpDir, err := os.MkdirTemp("", "headscale")
 	if err != nil {
 		c.Fatal(err)
 	}
@@ -91,10 +93,54 @@ func (*Suite) TestDNSConfigLoading(c *check.C) {
 	}
 
 	// Load example config, it should load without validation errors
-	err = cli.LoadConfig(tmpDir)
+	err = headscale.LoadConfig(tmpDir, false)
 	c.Assert(err, check.IsNil)
 
-	dnsConfig, baseDomain := cli.GetDNSConfig()
+	// Test that config file was interpreted correctly
+	c.Assert(viper.GetString("server_url"), check.Equals, "http://127.0.0.1:8080")
+	c.Assert(viper.GetString("listen_addr"), check.Equals, "127.0.0.1:8080")
+	c.Assert(viper.GetString("metrics_listen_addr"), check.Equals, "127.0.0.1:9090")
+	c.Assert(viper.GetString("db_type"), check.Equals, "sqlite3")
+	c.Assert(viper.GetString("db_path"), check.Equals, "./db.sqlite")
+	c.Assert(viper.GetString("tls_letsencrypt_hostname"), check.Equals, "")
+	c.Assert(viper.GetString("tls_letsencrypt_listen"), check.Equals, ":http")
+	c.Assert(viper.GetString("tls_letsencrypt_challenge_type"), check.Equals, "HTTP-01")
+	c.Assert(viper.GetStringSlice("dns_config.nameservers")[0], check.Equals, "1.1.1.1")
+	c.Assert(
+		headscale.GetFileMode("unix_socket_permission"),
+		check.Equals,
+		fs.FileMode(0o770),
+	)
+	c.Assert(viper.GetBool("logtail.enabled"), check.Equals, false)
+	c.Assert(viper.GetBool("randomize_client_port"), check.Equals, false)
+}
+
+func (*Suite) TestDNSConfigLoading(c *check.C) {
+	tmpDir, err := os.MkdirTemp("", "headscale")
+	if err != nil {
+		c.Fatal(err)
+	}
+	defer os.RemoveAll(tmpDir)
+
+	path, err := os.Getwd()
+	if err != nil {
+		c.Fatal(err)
+	}
+
+	// Symlink the example config file
+	err = os.Symlink(
+		filepath.Clean(path+"/../../config-example.yaml"),
+		filepath.Join(tmpDir, "config.yaml"),
+	)
+	if err != nil {
+		c.Fatal(err)
+	}
+
+	// Load example config, it should load without validation errors
+	err = headscale.LoadConfig(tmpDir, false)
+	c.Assert(err, check.IsNil)
+
+	dnsConfig, baseDomain := headscale.GetDNSConfig()
 
 	c.Assert(dnsConfig.Nameservers[0].String(), check.Equals, "1.1.1.1")
 	c.Assert(dnsConfig.Resolvers[0].Addr, check.Equals, "1.1.1.1")
@@ -105,26 +151,28 @@ func (*Suite) TestDNSConfigLoading(c *check.C) {
 func writeConfig(c *check.C, tmpDir string, configYaml []byte) {
 	// Populate a custom config file
 	configFile := filepath.Join(tmpDir, "config.yaml")
-	err := ioutil.WriteFile(configFile, configYaml, 0o600)
+	err := os.WriteFile(configFile, configYaml, 0o600)
 	if err != nil {
 		c.Fatalf("Couldn't write file %s", configFile)
 	}
 }
 
 func (*Suite) TestTLSConfigValidation(c *check.C) {
-	tmpDir, err := ioutil.TempDir("", "headscale")
+	tmpDir, err := os.MkdirTemp("", "headscale")
 	if err != nil {
 		c.Fatal(err)
 	}
 	// defer os.RemoveAll(tmpDir)
-
-	configYaml := []byte(
-		"---\ntls_letsencrypt_hostname: \"example.com\"\ntls_letsencrypt_challenge_type: \"\"\ntls_cert_path: \"abc.pem\"",
-	)
+	configYaml := []byte(`---
+tls_letsencrypt_hostname: example.com
+tls_letsencrypt_challenge_type: ""
+tls_cert_path: abc.pem
+noise:
+  private_key_path: noise_private.key`)
 	writeConfig(c, tmpDir, configYaml)
 
 	// Check configuration validation errors (1)
-	err = cli.LoadConfig(tmpDir)
+	err = headscale.LoadConfig(tmpDir, false)
 	c.Assert(err, check.NotNil)
 	// check.Matches can not handle multiline strings
 	tmp := strings.ReplaceAll(err.Error(), "\n", "***")
@@ -145,10 +193,14 @@ func (*Suite) TestTLSConfigValidation(c *check.C) {
 	)
 
 	// Check configuration validation errors (2)
-	configYaml = []byte(
-		"---\nserver_url: \"http://127.0.0.1:8080\"\ntls_letsencrypt_hostname: \"example.com\"\ntls_letsencrypt_challenge_type: \"TLS-ALPN-01\"",
-	)
+	configYaml = []byte(`---
+noise:
+  private_key_path: noise_private.key
+server_url: http://127.0.0.1:8080
+tls_letsencrypt_hostname: example.com
+tls_letsencrypt_challenge_type: TLS-ALPN-01
+`)
 	writeConfig(c, tmpDir, configYaml)
-	err = cli.LoadConfig(tmpDir)
+	err = headscale.LoadConfig(tmpDir, false)
 	c.Assert(err, check.IsNil)
 }

config-example.yaml

@@ -14,7 +14,9 @@ server_url: http://127.0.0.1:8080
 
 # Address to listen to / bind to on the server
 #
-listen_addr: 0.0.0.0:8080
+# For production:
+# listen_addr: 0.0.0.0:8080
+listen_addr: 127.0.0.1:8080
 
 # Address to listen to /metrics, you may want
 # to keep this endpoint private to your internal
@@ -27,7 +29,10 @@ metrics_listen_addr: 127.0.0.1:9090
 # remotely with the CLI
 # Note: Remote access _only_ works if you have
 # valid certificates.
-grpc_listen_addr: 0.0.0.0:50443
+#
+# For production:
+# grpc_listen_addr: 0.0.0.0:50443
+grpc_listen_addr: 127.0.0.1:50443
 
 # Allow the gRPC admin interface to run in INSECURE
 # mode. This is not recommended as the traffic will
@@ -35,11 +40,25 @@ grpc_listen_addr: 0.0.0.0:50443
 # are doing.
 grpc_allow_insecure: false
 
-# Private key used encrypt the traffic between headscale
+# Private key used to encrypt the traffic between headscale
 # and Tailscale clients.
-# The private key file which will be
-# autogenerated if it's missing
-private_key_path: /var/lib/headscale/private.key
+# The private key file will be autogenerated if it's missing.
+#
+# For production:
+# /var/lib/headscale/private.key
+private_key_path: ./private.key
+
+# The Noise section includes specific configuration for the
+# TS2021 Noise protocol
+noise:
+  # The Noise private key is used to encrypt the
+  # traffic between headscale and Tailscale clients when
+  # using the new Noise-based protocol. It must be different
+  # from the legacy private key.
+  #
+  # For production:
+  # private_key_path: /var/lib/headscale/noise_private.key
+  private_key_path: ./noise_private.key
 
 # List of IP prefixes to allocate tailaddresses from.
 # Each prefix consists of either an IPv4 or IPv6 address,
@@ -55,6 +74,26 @@ ip_prefixes:
 # headscale needs a list of DERP servers that can be presented
 # to the clients.
 derp:
+  server:
+    # If enabled, runs the embedded DERP server and merges it into the rest of the DERP config
+    # The Headscale server_url defined above MUST be using https, DERP requires TLS to be in place
+    enabled: false
+
+    # Region ID to use for the embedded DERP server.
+    # The local DERP prevails if the region ID collides with other region ID coming from
+    # the regular DERP config.
+    region_id: 999
+
+    # Region code and name are displayed in the Tailscale UI to identify a DERP region
+    region_code: "headscale"
+    region_name: "Headscale Embedded DERP"
+
+    # Listens over UDP at the configured address for STUN connections - to help with NAT traversal.
+    # When the embedded DERP server is enabled stun_listen_addr MUST be defined.
+    #
+    # For more details on how this works, check this great article: https://tailscale.com/blog/how-tailscale-works/
+    stun_listen_addr: "0.0.0.0:3478"
+
   # List of externally available DERP maps encoded in JSON
   urls:
     - https://controlplane.tailscale.com/derpmap/default
@@ -83,11 +122,21 @@ disable_check_updates: false
 # Time before an inactive ephemeral node is deleted?
 ephemeral_node_inactivity_timeout: 30m
 
+# Period to check for node updates within the tailnet. A value too low will severely affect
+# CPU consumption of Headscale. A value too high (over 60s) will cause problems
+# for the nodes, as they won't get updates or keep alive messages frequently enough.
+# In case of doubts, do not touch the default 10s.
+node_update_check_interval: 10s
+
 # SQLite config
 db_type: sqlite3
-db_path: /var/lib/headscale/db.sqlite
+
+# For production:
+# db_path: /var/lib/headscale/db.sqlite
+db_path: ./db.sqlite
 
 # # Postgres config
+# If using a Unix socket to connect to Postgres, set the socket path in the 'host' field and leave 'port' blank.
 # db_type: postgres
 # db_host: localhost
 # db_port: 5432
@@ -95,6 +144,10 @@ db_path: /var/lib/headscale/db.sqlite
 # db_user: foo
 # db_pass: bar
 
+# If other 'sslmode' is required instead of 'require(true)' and 'disabled(false)', set the 'sslmode' you need
+# in the 'db_ssl' field. Refers to https://www.postgresql.org/docs/current/libpq-ssl.html Table 34.1.
+# db_ssl: false
+
 ### TLS configuration
 #
 ## Let's encrypt / ACME
@@ -111,23 +164,18 @@ acme_email: ""
 # Domain name to request a TLS certificate for:
 tls_letsencrypt_hostname: ""
 
-# Client (Tailscale/Browser) authentication mode (mTLS)
-# Acceptable values:
-# - disabled: client authentication disabled
-# - relaxed: client certificate is required but not verified
-# - enforced: client certificate is required and verified
-tls_client_auth_mode: relaxed
-
 # Path to store certificates and metadata needed by
 # letsencrypt
-tls_letsencrypt_cache_dir: /var/lib/headscale/cache
+# For production:
+# tls_letsencrypt_cache_dir: /var/lib/headscale/cache
+tls_letsencrypt_cache_dir: ./cache
 
 # Type of ACME challenge to use, currently supported types:
 # HTTP-01 or TLS-ALPN-01
 # See [docs/tls.md](docs/tls.md) for more information
 tls_letsencrypt_challenge_type: HTTP-01
 # When HTTP-01 challenge is chosen, letsencrypt must set up a
-# verification endpoint, and it will be listning on:
+# verification endpoint, and it will be listening on:
 # :http = port 80
 tls_letsencrypt_listen: ":http"
 
@@ -135,7 +183,10 @@ tls_letsencrypt_listen: ":http"
 tls_cert_path: ""
 tls_key_path: ""
 
-log_level: info
+log:
+  # Output formatting for logs: text or json
+  format: text
+  level: info
 
 # Path to a file containg ACL policies.
 # ACLs can be defined as YAML or HUJSON.
@@ -152,10 +203,25 @@ acl_policy_path: ""
 # - https://tailscale.com/blog/2021-09-private-dns-with-magicdns/
 #
 dns_config:
+  # Whether to prefer using Headscale provided DNS or use local.
+  override_local_dns: true
+
   # List of DNS servers to expose to clients.
   nameservers:
     - 1.1.1.1
 
+  # NextDNS (see https://tailscale.com/kb/1218/nextdns/).
+  # "abc123" is example NextDNS ID, replace with yours.
+  #
+  # With metadata sharing:
+  # nameservers:
+  #   - https://dns.nextdns.io/abc123
+  #
+  # Without metadata sharing:
+  # nameservers:
+  #   - 2a07:a8c0::ab:c123
+  #   - 2a07:a8c1::ab:c123
+
   # Split DNS (see https://tailscale.com/kb/1054/dns/),
   # list of search domains and the DNS to query for each one.
   #
@@ -180,9 +246,9 @@ dns_config:
   base_domain: example.com
 
 # Unix socket used for the CLI to connect without authentication
-# Note: for local development, you probably want to change this to:
-# unix_socket: ./headscale.sock
-unix_socket: /var/run/headscale.sock
+# Note: for production you will want to set this to something like:
+# unix_socket: /var/run/headscale.sock
+unix_socket: ./headscale.sock
 unix_socket_permission: "0770"
 #
 # headscale supports experimental OpenID connect support,
@@ -190,13 +256,43 @@ unix_socket_permission: "0770"
 # help us test it.
 # OpenID Connect
 # oidc:
+#   only_start_if_oidc_is_available: true
 #   issuer: "https://your-oidc.issuer.com/path"
 #   client_id: "your-oidc-client-id"
 #   client_secret: "your-oidc-client-secret"
 #
+#   Customize the scopes used in the OIDC flow, defaults to "openid", "profile" and "email" and add custom query
+#   parameters to the Authorize Endpoint request. Scopes default to "openid", "profile" and "email".
+#
+#   scope: ["openid", "profile", "email", "custom"]
+#   extra_params:
+#     domain_hint: example.com
+#
+#   List allowed principal domains and/or users. If an authenticated user's domain is not in this list, the
+#   authentication request will be rejected.
+#
+#   allowed_domains:
+#     - example.com
+#   allowed_users:
+#     - alice@example.com
+#
 #   If `strip_email_domain` is set to `true`, the domain part of the username email address will be removed.
 #   This will transform `first-name.last-name@example.com` to the namespace `first-name.last-name`
 #   If `strip_email_domain` is set to `false` the domain part will NOT be removed resulting to the following
 #   namespace: `first-name.last-name.example.com`
 #
 #   strip_email_domain: true
+
+# Logtail configuration
+# Logtail is Tailscales logging and auditing infrastructure, it allows the control panel
+# to instruct tailscale nodes to log their activity to a remote server.
+logtail:
+  # Enable logtail for this headscales clients.
+  # As there is currently no support for overriding the log server in headscale, this is
+  # disabled by default. Enabling this will make your clients send logs to Tailscale Inc.
+  enabled: false
+
+# Enabling this option makes devices prefer a random port for WireGuard traffic over the
+# default static port 41641. This option is intended as a workaround for some buggy
+# firewall devices. See https://tailscale.com/kb/1181/firewalls/ for more information.
+randomize_client_port: false

config.go

@@ -0,0 +1,592 @@
+package headscale
+
+import (
+	"errors"
+	"fmt"
+	"io/fs"
+	"net/netip"
+	"net/url"
+	"strings"
+	"time"
+
+	"github.com/coreos/go-oidc/v3/oidc"
+	"github.com/rs/zerolog"
+	"github.com/rs/zerolog/log"
+	"github.com/spf13/viper"
+	"go4.org/netipx"
+	"tailscale.com/tailcfg"
+	"tailscale.com/types/dnstype"
+)
+
+const (
+	tlsALPN01ChallengeType = "TLS-ALPN-01"
+	http01ChallengeType    = "HTTP-01"
+
+	JSONLogFormat = "json"
+	TextLogFormat = "text"
+)
+
+// Config contains the initial Headscale configuration.
+type Config struct {
+	ServerURL                      string
+	Addr                           string
+	MetricsAddr                    string
+	GRPCAddr                       string
+	GRPCAllowInsecure              bool
+	EphemeralNodeInactivityTimeout time.Duration
+	NodeUpdateCheckInterval        time.Duration
+	IPPrefixes                     []netip.Prefix
+	PrivateKeyPath                 string
+	NoisePrivateKeyPath            string
+	BaseDomain                     string
+	Log                            LogConfig
+	DisableUpdateCheck             bool
+
+	DERP DERPConfig
+
+	DBtype string
+	DBpath string
+	DBhost string
+	DBport int
+	DBname string
+	DBuser string
+	DBpass string
+	DBssl  string
+
+	TLS TLSConfig
+
+	ACMEURL   string
+	ACMEEmail string
+
+	DNSConfig *tailcfg.DNSConfig
+
+	UnixSocket           string
+	UnixSocketPermission fs.FileMode
+
+	OIDC OIDCConfig
+
+	LogTail             LogTailConfig
+	RandomizeClientPort bool
+
+	CLI CLIConfig
+
+	ACL ACLConfig
+}
+
+type TLSConfig struct {
+	CertPath string
+	KeyPath  string
+
+	LetsEncrypt LetsEncryptConfig
+}
+
+type LetsEncryptConfig struct {
+	Listen        string
+	Hostname      string
+	CacheDir      string
+	ChallengeType string
+}
+
+type OIDCConfig struct {
+	OnlyStartIfOIDCIsAvailable bool
+	Issuer                     string
+	ClientID                   string
+	ClientSecret               string
+	Scope                      []string
+	ExtraParams                map[string]string
+	AllowedDomains             []string
+	AllowedUsers               []string
+	StripEmaildomain           bool
+}
+
+type DERPConfig struct {
+	ServerEnabled    bool
+	ServerRegionID   int
+	ServerRegionCode string
+	ServerRegionName string
+	STUNAddr         string
+	URLs             []url.URL
+	Paths            []string
+	AutoUpdate       bool
+	UpdateFrequency  time.Duration
+}
+
+type LogTailConfig struct {
+	Enabled bool
+}
+
+type CLIConfig struct {
+	Address  string
+	APIKey   string
+	Timeout  time.Duration
+	Insecure bool
+}
+
+type ACLConfig struct {
+	PolicyPath string
+}
+
+type LogConfig struct {
+	Format string
+	Level  zerolog.Level
+}
+
+func LoadConfig(path string, isFile bool) error {
+	if isFile {
+		viper.SetConfigFile(path)
+	} else {
+		viper.SetConfigName("config")
+		if path == "" {
+			viper.AddConfigPath("/etc/headscale/")
+			viper.AddConfigPath("$HOME/.headscale")
+			viper.AddConfigPath(".")
+		} else {
+			// For testing
+			viper.AddConfigPath(path)
+		}
+	}
+
+	viper.SetEnvPrefix("headscale")
+	viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
+	viper.AutomaticEnv()
+
+	viper.SetDefault("tls_letsencrypt_cache_dir", "/var/www/.cache")
+	viper.SetDefault("tls_letsencrypt_challenge_type", http01ChallengeType)
+
+	viper.SetDefault("log.level", "info")
+	viper.SetDefault("log.format", TextLogFormat)
+
+	viper.SetDefault("dns_config", nil)
+	viper.SetDefault("dns_config.override_local_dns", true)
+
+	viper.SetDefault("derp.server.enabled", false)
+	viper.SetDefault("derp.server.stun.enabled", true)
+
+	viper.SetDefault("unix_socket", "/var/run/headscale.sock")
+	viper.SetDefault("unix_socket_permission", "0o770")
+
+	viper.SetDefault("grpc_listen_addr", ":50443")
+	viper.SetDefault("grpc_allow_insecure", false)
+
+	viper.SetDefault("cli.timeout", "5s")
+	viper.SetDefault("cli.insecure", false)
+
+	viper.SetDefault("oidc.scope", []string{oidc.ScopeOpenID, "profile", "email"})
+	viper.SetDefault("oidc.strip_email_domain", true)
+	viper.SetDefault("oidc.only_start_if_oidc_is_available", true)
+
+	viper.SetDefault("logtail.enabled", false)
+	viper.SetDefault("randomize_client_port", false)
+
+	viper.SetDefault("ephemeral_node_inactivity_timeout", "120s")
+
+	viper.SetDefault("node_update_check_interval", "10s")
+
+	if IsCLIConfigured() {
+		return nil
+	}
+
+	if err := viper.ReadInConfig(); err != nil {
+		log.Warn().Err(err).Msg("Failed to read configuration from disk")
+
+		return fmt.Errorf("fatal error reading config file: %w", err)
+	}
+
+	// Collect any validation errors and return them all at once
+	var errorText string
+	if (viper.GetString("tls_letsencrypt_hostname") != "") &&
+		((viper.GetString("tls_cert_path") != "") || (viper.GetString("tls_key_path") != "")) {
+		errorText += "Fatal config error: set either tls_letsencrypt_hostname or tls_cert_path/tls_key_path, not both\n"
+	}
+
+	if !viper.IsSet("noise") || viper.GetString("noise.private_key_path") == "" {
+		errorText += "Fatal config error: headscale now requires a new `noise.private_key_path` field in the config file for the Tailscale v2 protocol\n"
+	}
+
+	if (viper.GetString("tls_letsencrypt_hostname") != "") &&
+		(viper.GetString("tls_letsencrypt_challenge_type") == tlsALPN01ChallengeType) &&
+		(!strings.HasSuffix(viper.GetString("listen_addr"), ":443")) {
+		// this is only a warning because there could be something sitting in front of headscale that redirects the traffic (e.g. an iptables rule)
+		log.Warn().
+			Msg("Warning: when using tls_letsencrypt_hostname with TLS-ALPN-01 as challenge type, headscale must be reachable on port 443, i.e. listen_addr should probably end in :443")
+	}
+
+	if (viper.GetString("tls_letsencrypt_challenge_type") != http01ChallengeType) &&
+		(viper.GetString("tls_letsencrypt_challenge_type") != tlsALPN01ChallengeType) {
+		errorText += "Fatal config error: the only supported values for tls_letsencrypt_challenge_type are HTTP-01 and TLS-ALPN-01\n"
+	}
+
+	if !strings.HasPrefix(viper.GetString("server_url"), "http://") &&
+		!strings.HasPrefix(viper.GetString("server_url"), "https://") {
+		errorText += "Fatal config error: server_url must start with https:// or http://\n"
+	}
+
+	// Minimum inactivity time out is keepalive timeout (60s) plus a few seconds
+	// to avoid races
+	minInactivityTimeout, _ := time.ParseDuration("65s")
+	if viper.GetDuration("ephemeral_node_inactivity_timeout") <= minInactivityTimeout {
+		errorText += fmt.Sprintf(
+			"Fatal config error: ephemeral_node_inactivity_timeout (%s) is set too low, must be more than %s",
+			viper.GetString("ephemeral_node_inactivity_timeout"),
+			minInactivityTimeout,
+		)
+	}
+
+	maxNodeUpdateCheckInterval, _ := time.ParseDuration("60s")
+	if viper.GetDuration("node_update_check_interval") > maxNodeUpdateCheckInterval {
+		errorText += fmt.Sprintf(
+			"Fatal config error: node_update_check_interval (%s) is set too high, must be less than %s",
+			viper.GetString("node_update_check_interval"),
+			maxNodeUpdateCheckInterval,
+		)
+	}
+
+	if errorText != "" {
+		//nolint
+		return errors.New(strings.TrimSuffix(errorText, "\n"))
+	} else {
+		return nil
+	}
+}
+
+func GetTLSConfig() TLSConfig {
+	return TLSConfig{
+		LetsEncrypt: LetsEncryptConfig{
+			Hostname: viper.GetString("tls_letsencrypt_hostname"),
+			Listen:   viper.GetString("tls_letsencrypt_listen"),
+			CacheDir: AbsolutePathFromConfigPath(
+				viper.GetString("tls_letsencrypt_cache_dir"),
+			),
+			ChallengeType: viper.GetString("tls_letsencrypt_challenge_type"),
+		},
+		CertPath: AbsolutePathFromConfigPath(
+			viper.GetString("tls_cert_path"),
+		),
+		KeyPath: AbsolutePathFromConfigPath(
+			viper.GetString("tls_key_path"),
+		),
+	}
+}
+
+func GetDERPConfig() DERPConfig {
+	serverEnabled := viper.GetBool("derp.server.enabled")
+	serverRegionID := viper.GetInt("derp.server.region_id")
+	serverRegionCode := viper.GetString("derp.server.region_code")
+	serverRegionName := viper.GetString("derp.server.region_name")
+	stunAddr := viper.GetString("derp.server.stun_listen_addr")
+
+	if serverEnabled && stunAddr == "" {
+		log.Fatal().
+			Msg("derp.server.stun_listen_addr must be set if derp.server.enabled is true")
+	}
+
+	urlStrs := viper.GetStringSlice("derp.urls")
+
+	urls := make([]url.URL, len(urlStrs))
+	for index, urlStr := range urlStrs {
+		urlAddr, err := url.Parse(urlStr)
+		if err != nil {
+			log.Error().
+				Str("url", urlStr).
+				Err(err).
+				Msg("Failed to parse url, ignoring...")
+		}
+
+		urls[index] = *urlAddr
+	}
+
+	paths := viper.GetStringSlice("derp.paths")
+
+	autoUpdate := viper.GetBool("derp.auto_update_enabled")
+	updateFrequency := viper.GetDuration("derp.update_frequency")
+
+	return DERPConfig{
+		ServerEnabled:    serverEnabled,
+		ServerRegionID:   serverRegionID,
+		ServerRegionCode: serverRegionCode,
+		ServerRegionName: serverRegionName,
+		STUNAddr:         stunAddr,
+		URLs:             urls,
+		Paths:            paths,
+		AutoUpdate:       autoUpdate,
+		UpdateFrequency:  updateFrequency,
+	}
+}
+
+func GetLogTailConfig() LogTailConfig {
+	enabled := viper.GetBool("logtail.enabled")
+
+	return LogTailConfig{
+		Enabled: enabled,
+	}
+}
+
+func GetACLConfig() ACLConfig {
+	policyPath := viper.GetString("acl_policy_path")
+
+	return ACLConfig{
+		PolicyPath: policyPath,
+	}
+}
+
+func GetLogConfig() LogConfig {
+	logLevelStr := viper.GetString("log.level")
+	logLevel, err := zerolog.ParseLevel(logLevelStr)
+	if err != nil {
+		logLevel = zerolog.DebugLevel
+	}
+
+	logFormatOpt := viper.GetString("log.format")
+	var logFormat string
+	switch logFormatOpt {
+	case "json":
+		logFormat = JSONLogFormat
+	case "text":
+		logFormat = TextLogFormat
+	case "":
+		logFormat = TextLogFormat
+	default:
+		log.Error().
+			Str("func", "GetLogConfig").
+			Msgf("Could not parse log format: %s. Valid choices are 'json' or 'text'", logFormatOpt)
+	}
+
+	return LogConfig{
+		Format: logFormat,
+		Level:  logLevel,
+	}
+}
+
+func GetDNSConfig() (*tailcfg.DNSConfig, string) {
+	if viper.IsSet("dns_config") {
+		dnsConfig := &tailcfg.DNSConfig{}
+
+		overrideLocalDNS := viper.GetBool("dns_config.override_local_dns")
+
+		if viper.IsSet("dns_config.nameservers") {
+			nameserversStr := viper.GetStringSlice("dns_config.nameservers")
+
+			nameservers := []netip.Addr{}
+			resolvers := []*dnstype.Resolver{}
+
+			for _, nameserverStr := range nameserversStr {
+				// Search for explicit DNS-over-HTTPS resolvers
+				if strings.HasPrefix(nameserverStr, "https://") {
+					resolvers = append(resolvers, &dnstype.Resolver{
+						Addr: nameserverStr,
+					})
+
+					// This nameserver can not be parsed as an IP address
+					continue
+				}
+
+				// Parse nameserver as a regular IP
+				nameserver, err := netip.ParseAddr(nameserverStr)
+				if err != nil {
+					log.Error().
+						Str("func", "getDNSConfig").
+						Err(err).
+						Msgf("Could not parse nameserver IP: %s", nameserverStr)
+				}
+
+				nameservers = append(nameservers, nameserver)
+				resolvers = append(resolvers, &dnstype.Resolver{
+					Addr: nameserver.String(),
+				})
+			}
+
+			dnsConfig.Nameservers = nameservers
+
+			if overrideLocalDNS {
+				dnsConfig.Resolvers = resolvers
+			} else {
+				dnsConfig.FallbackResolvers = resolvers
+			}
+		}
+
+		if viper.IsSet("dns_config.restricted_nameservers") {
+			if len(dnsConfig.Nameservers) > 0 {
+				dnsConfig.Routes = make(map[string][]*dnstype.Resolver)
+				restrictedDNS := viper.GetStringMapStringSlice(
+					"dns_config.restricted_nameservers",
+				)
+				for domain, restrictedNameservers := range restrictedDNS {
+					restrictedResolvers := make(
+						[]*dnstype.Resolver,
+						len(restrictedNameservers),
+					)
+					for index, nameserverStr := range restrictedNameservers {
+						nameserver, err := netip.ParseAddr(nameserverStr)
+						if err != nil {
+							log.Error().
+								Str("func", "getDNSConfig").
+								Err(err).
+								Msgf("Could not parse restricted nameserver IP: %s", nameserverStr)
+						}
+						restrictedResolvers[index] = &dnstype.Resolver{
+							Addr: nameserver.String(),
+						}
+					}
+					dnsConfig.Routes[domain] = restrictedResolvers
+				}
+			} else {
+				log.Warn().
+					Msg("Warning: dns_config.restricted_nameservers is set, but no nameservers are configured. Ignoring restricted_nameservers.")
+			}
+		}
+
+		if viper.IsSet("dns_config.domains") {
+			domains := viper.GetStringSlice("dns_config.domains")
+			if len(dnsConfig.Nameservers) > 0 {
+				dnsConfig.Domains = domains
+			} else if domains != nil {
+				log.Warn().
+					Msg("Warning: dns_config.domains is set, but no nameservers are configured. Ignoring domains.")
+			}
+		}
+
+		if viper.IsSet("dns_config.magic_dns") {
+			dnsConfig.Proxied = viper.GetBool("dns_config.magic_dns")
+		}
+
+		var baseDomain string
+		if viper.IsSet("dns_config.base_domain") {
+			baseDomain = viper.GetString("dns_config.base_domain")
+		} else {
+			baseDomain = "headscale.net" // does not really matter when MagicDNS is not enabled
+		}
+
+		return dnsConfig, baseDomain
+	}
+
+	return nil, ""
+}
+
+func GetHeadscaleConfig() (*Config, error) {
+	if IsCLIConfigured() {
+		return &Config{
+			CLI: CLIConfig{
+				Address:  viper.GetString("cli.address"),
+				APIKey:   viper.GetString("cli.api_key"),
+				Timeout:  viper.GetDuration("cli.timeout"),
+				Insecure: viper.GetBool("cli.insecure"),
+			},
+		}, nil
+	}
+
+	dnsConfig, baseDomain := GetDNSConfig()
+	derpConfig := GetDERPConfig()
+	logConfig := GetLogTailConfig()
+	randomizeClientPort := viper.GetBool("randomize_client_port")
+
+	configuredPrefixes := viper.GetStringSlice("ip_prefixes")
+	parsedPrefixes := make([]netip.Prefix, 0, len(configuredPrefixes)+1)
+
+	for i, prefixInConfig := range configuredPrefixes {
+		prefix, err := netip.ParsePrefix(prefixInConfig)
+		if err != nil {
+			panic(fmt.Errorf("failed to parse ip_prefixes[%d]: %w", i, err))
+		}
+		parsedPrefixes = append(parsedPrefixes, prefix)
+	}
+
+	prefixes := make([]netip.Prefix, 0, len(parsedPrefixes))
+	{
+		// dedup
+		normalizedPrefixes := make(map[string]int, len(parsedPrefixes))
+		for i, p := range parsedPrefixes {
+			normalized, _ := netipx.RangeOfPrefix(p).Prefix()
+			normalizedPrefixes[normalized.String()] = i
+		}
+
+		// convert back to list
+		for _, i := range normalizedPrefixes {
+			prefixes = append(prefixes, parsedPrefixes[i])
+		}
+	}
+
+	if len(prefixes) < 1 {
+		prefixes = append(prefixes, netip.MustParsePrefix("100.64.0.0/10"))
+		log.Warn().
+			Msgf("'ip_prefixes' not configured, falling back to default: %v", prefixes)
+	}
+
+	return &Config{
+		ServerURL:          viper.GetString("server_url"),
+		Addr:               viper.GetString("listen_addr"),
+		MetricsAddr:        viper.GetString("metrics_listen_addr"),
+		GRPCAddr:           viper.GetString("grpc_listen_addr"),
+		GRPCAllowInsecure:  viper.GetBool("grpc_allow_insecure"),
+		DisableUpdateCheck: viper.GetBool("disable_check_updates"),
+
+		IPPrefixes: prefixes,
+		PrivateKeyPath: AbsolutePathFromConfigPath(
+			viper.GetString("private_key_path"),
+		),
+		NoisePrivateKeyPath: AbsolutePathFromConfigPath(
+			viper.GetString("noise.private_key_path"),
+		),
+		BaseDomain: baseDomain,
+
+		DERP: derpConfig,
+
+		EphemeralNodeInactivityTimeout: viper.GetDuration(
+			"ephemeral_node_inactivity_timeout",
+		),
+
+		NodeUpdateCheckInterval: viper.GetDuration(
+			"node_update_check_interval",
+		),
+
+		DBtype: viper.GetString("db_type"),
+		DBpath: AbsolutePathFromConfigPath(viper.GetString("db_path")),
+		DBhost: viper.GetString("db_host"),
+		DBport: viper.GetInt("db_port"),
+		DBname: viper.GetString("db_name"),
+		DBuser: viper.GetString("db_user"),
+		DBpass: viper.GetString("db_pass"),
+		DBssl:  viper.GetString("db_ssl"),
+
+		TLS: GetTLSConfig(),
+
+		DNSConfig: dnsConfig,
+
+		ACMEEmail: viper.GetString("acme_email"),
+		ACMEURL:   viper.GetString("acme_url"),
+
+		UnixSocket:           viper.GetString("unix_socket"),
+		UnixSocketPermission: GetFileMode("unix_socket_permission"),
+
+		OIDC: OIDCConfig{
+			OnlyStartIfOIDCIsAvailable: viper.GetBool(
+				"oidc.only_start_if_oidc_is_available",
+			),
+			Issuer:           viper.GetString("oidc.issuer"),
+			ClientID:         viper.GetString("oidc.client_id"),
+			ClientSecret:     viper.GetString("oidc.client_secret"),
+			Scope:            viper.GetStringSlice("oidc.scope"),
+			ExtraParams:      viper.GetStringMapString("oidc.extra_params"),
+			AllowedDomains:   viper.GetStringSlice("oidc.allowed_domains"),
+			AllowedUsers:     viper.GetStringSlice("oidc.allowed_users"),
+			StripEmaildomain: viper.GetBool("oidc.strip_email_domain"),
+		},
+
+		LogTail:             logConfig,
+		RandomizeClientPort: randomizeClientPort,
+
+		ACL: GetACLConfig(),
+
+		CLI: CLIConfig{
+			Address:  viper.GetString("cli.address"),
+			APIKey:   viper.GetString("cli.api_key"),
+			Timeout:  viper.GetDuration("cli.timeout"),
+			Insecure: viper.GetBool("cli.insecure"),
+		},
+
+		Log: GetLogConfig(),
+	}, nil
+}
+
+func IsCLIConfigured() bool {
+	return viper.GetString("cli.address") != "" && viper.GetString("cli.api_key") != ""
+}

db.go

@@ -1,10 +1,12 @@
 package headscale
 
 import (
+	"context"
 	"database/sql/driver"
 	"encoding/json"
 	"errors"
 	"fmt"
+	"net/netip"
 	"time"
 
 	"github.com/glebarez/sqlite"
@@ -12,7 +14,6 @@ import (
 	"gorm.io/driver/postgres"
 	"gorm.io/gorm"
 	"gorm.io/gorm/logger"
-	"inet.af/netaddr"
 	"tailscale.com/tailcfg"
 )
 
@@ -39,6 +40,12 @@ func (h *Headscale) initDB() error {
 	}
 
 	_ = db.Migrator().RenameColumn(&Machine{}, "ip_address", "ip_addresses")
+	_ = db.Migrator().RenameColumn(&Machine{}, "name", "hostname")
+
+	// GivenName is used as the primary source of DNS names, make sure
+	// the field is populated and normalized if it was not when the
+	// machine was registered.
+	_ = db.Migrator().RenameColumn(&Machine{}, "nickname", "given_name")
 
 	// If the Machine table has a column for registered,
 	// find all occourences of "false" and drop them. Then
@@ -54,13 +61,13 @@ func (h *Headscale) initDB() error {
 
 		for _, machine := range machines {
 			log.Info().
-				Str("machine", machine.Name).
+				Str("machine", machine.Hostname).
 				Str("machine_key", machine.MachineKey).
 				Msg("Deleting unregistered machine")
 			if err := h.db.Delete(&Machine{}, machine.ID).Error; err != nil {
 				log.Error().
 					Err(err).
-					Str("machine", machine.Name).
+					Str("machine", machine.Hostname).
 					Str("machine_key", machine.MachineKey).
 					Msg("Error deleting unregistered machine")
 			}
@@ -77,6 +84,38 @@ func (h *Headscale) initDB() error {
 		return err
 	}
 
+	if db.Migrator().HasColumn(&Machine{}, "given_name") {
+		machines := Machines{}
+		if err := h.db.Find(&machines).Error; err != nil {
+			log.Error().Err(err).Msg("Error accessing db")
+		}
+
+		for item, machine := range machines {
+			if machine.GivenName == "" {
+				normalizedHostname, err := NormalizeToFQDNRules(
+					machine.Hostname,
+					h.cfg.OIDC.StripEmaildomain,
+				)
+				if err != nil {
+					log.Error().
+						Caller().
+						Str("hostname", machine.Hostname).
+						Err(err).
+						Msg("Failed to normalize machine hostname in DB migration")
+				}
+
+				err = h.RenameMachine(&machines[item], normalizedHostname)
+				if err != nil {
+					log.Error().
+						Caller().
+						Str("hostname", machine.Hostname).
+						Err(err).
+						Msg("Failed to save normalized machine name in DB migration")
+				}
+			}
+		}
+	}
+
 	err = db.AutoMigrate(&KV{})
 	if err != nil {
 		return err
@@ -92,6 +131,11 @@ func (h *Headscale) initDB() error {
 		return err
 	}
 
+	err = db.AutoMigrate(&PreAuthKeyACLTag{})
+	if err != nil {
+		return err
+	}
+
 	_ = db.Migrator().DropTable("shared_machines")
 
 	err = db.AutoMigrate(&APIKey{})
@@ -175,11 +219,24 @@ func (h *Headscale) setValue(key string, value string) error {
 		return nil
 	}
 
-	h.db.Create(keyValue)
+	if err := h.db.Create(keyValue).Error; err != nil {
+		return fmt.Errorf("failed to create key value pair in the database: %w", err)
+	}
 
 	return nil
 }
 
+func (h *Headscale) pingDB(ctx context.Context) error {
+	ctx, cancel := context.WithTimeout(ctx, time.Second)
+	defer cancel()
+	db, err := h.db.DB()
+	if err != nil {
+		return err
+	}
+
+	return db.PingContext(ctx)
+}
+
 // This is a "wrapper" type around tailscales
 // Hostinfo to allow us to add database "serialization"
 // methods. This allows us to use a typed values throughout
@@ -196,7 +253,7 @@ func (hi *HostInfo) Scan(destination interface{}) error {
 		return json.Unmarshal([]byte(value), hi)
 
 	default:
-		return fmt.Errorf("%w: unexpected data type %T", errMachineAddressesInvalid, destination)
+		return fmt.Errorf("%w: unexpected data type %T", ErrMachineAddressesInvalid, destination)
 	}
 }
 
@@ -207,7 +264,7 @@ func (hi HostInfo) Value() (driver.Value, error) {
 	return string(bytes), err
 }
 
-type IPPrefixes []netaddr.IPPrefix
+type IPPrefixes []netip.Prefix
 
 func (i *IPPrefixes) Scan(destination interface{}) error {
 	switch value := destination.(type) {
@@ -218,7 +275,7 @@ func (i *IPPrefixes) Scan(destination interface{}) error {
 		return json.Unmarshal([]byte(value), i)
 
 	default:
-		return fmt.Errorf("%w: unexpected data type %T", errMachineAddressesInvalid, destination)
+		return fmt.Errorf("%w: unexpected data type %T", ErrMachineAddressesInvalid, destination)
 	}
 }
 
@@ -240,7 +297,7 @@ func (i *StringList) Scan(destination interface{}) error {
 		return json.Unmarshal([]byte(value), i)
 
 	default:
-		return fmt.Errorf("%w: unexpected data type %T", errMachineAddressesInvalid, destination)
+		return fmt.Errorf("%w: unexpected data type %T", ErrMachineAddressesInvalid, destination)
 	}
 }
 

derp-example.yaml

@@ -12,4 +12,4 @@ regions:
         ipv6: "2604:a880:400:d1::828:b001"
         stunport: 0
         stunonly: false
-        derptestport: 0
+        derpport: 0

derp.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"encoding/json"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"net/url"
 	"os"
@@ -35,7 +34,7 @@ func loadDERPMapFromURL(addr url.URL) (*tailcfg.DERPMap, error) {
 	ctx, cancel := context.WithTimeout(context.Background(), HTTPReadTimeout)
 	defer cancel()
 
-	req, err := http.NewRequestWithContext(ctx, "GET", addr.String(), nil)
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, addr.String(), nil)
 	if err != nil {
 		return nil, err
 	}
@@ -50,7 +49,7 @@ func loadDERPMapFromURL(addr url.URL) (*tailcfg.DERPMap, error) {
 	}
 
 	defer resp.Body.Close()
-	body, err := ioutil.ReadAll(resp.Body)
+	body, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return nil, err
 	}
@@ -148,17 +147,11 @@ func (h *Headscale) scheduledDERPMapUpdateWorker(cancelChan <-chan struct{}) {
 		case <-ticker.C:
 			log.Info().Msg("Fetching DERPMap updates")
 			h.DERPMap = GetDERPMap(h.cfg.DERP)
-
-			namespaces, err := h.ListNamespaces()
-			if err != nil {
-				log.Error().
-					Err(err).
-					Msg("Failed to fetch namespaces")
+			if h.cfg.DERP.ServerEnabled {
+				h.DERPMap.Regions[h.DERPServer.region.RegionID] = &h.DERPServer.region
 			}
 
-			for _, namespace := range namespaces {
-				h.setLastStateChangeToNow(namespace.Name)
-			}
+			h.setLastStateChangeToNow()
 		}
 	}
 }

derp_server.go

@@ -0,0 +1,292 @@
+package headscale
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"net"
+	"net/http"
+	"net/netip"
+	"net/url"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/rs/zerolog/log"
+	"tailscale.com/derp"
+	"tailscale.com/net/stun"
+	"tailscale.com/tailcfg"
+	"tailscale.com/types/key"
+)
+
+// fastStartHeader is the header (with value "1") that signals to the HTTP
+// server that the DERP HTTP client does not want the HTTP 101 response
+// headers and it will begin writing & reading the DERP protocol immediately
+// following its HTTP request.
+const fastStartHeader = "Derp-Fast-Start"
+
+type DERPServer struct {
+	tailscaleDERP *derp.Server
+	region        tailcfg.DERPRegion
+}
+
+func (h *Headscale) NewDERPServer() (*DERPServer, error) {
+	log.Trace().Caller().Msg("Creating new embedded DERP server")
+	server := derp.NewServer(key.NodePrivate(*h.privateKey), log.Info().Msgf)
+	region, err := h.generateRegionLocalDERP()
+	if err != nil {
+		return nil, err
+	}
+
+	return &DERPServer{server, region}, nil
+}
+
+func (h *Headscale) generateRegionLocalDERP() (tailcfg.DERPRegion, error) {
+	serverURL, err := url.Parse(h.cfg.ServerURL)
+	if err != nil {
+		return tailcfg.DERPRegion{}, err
+	}
+	var host string
+	var port int
+	host, portStr, err := net.SplitHostPort(serverURL.Host)
+	if err != nil {
+		if serverURL.Scheme == "https" {
+			host = serverURL.Host
+			port = 443
+		} else {
+			host = serverURL.Host
+			port = 80
+		}
+	} else {
+		port, err = strconv.Atoi(portStr)
+		if err != nil {
+			return tailcfg.DERPRegion{}, err
+		}
+	}
+
+	localDERPregion := tailcfg.DERPRegion{
+		RegionID:   h.cfg.DERP.ServerRegionID,
+		RegionCode: h.cfg.DERP.ServerRegionCode,
+		RegionName: h.cfg.DERP.ServerRegionName,
+		Avoid:      false,
+		Nodes: []*tailcfg.DERPNode{
+			{
+				Name:     fmt.Sprintf("%d", h.cfg.DERP.ServerRegionID),
+				RegionID: h.cfg.DERP.ServerRegionID,
+				HostName: host,
+				DERPPort: port,
+			},
+		},
+	}
+
+	_, portSTUNStr, err := net.SplitHostPort(h.cfg.DERP.STUNAddr)
+	if err != nil {
+		return tailcfg.DERPRegion{}, err
+	}
+	portSTUN, err := strconv.Atoi(portSTUNStr)
+	if err != nil {
+		return tailcfg.DERPRegion{}, err
+	}
+	localDERPregion.Nodes[0].STUNPort = portSTUN
+
+	log.Info().Caller().Msgf("DERP region: %+v", localDERPregion)
+
+	return localDERPregion, nil
+}
+
+func (h *Headscale) DERPHandler(
+	writer http.ResponseWriter,
+	req *http.Request,
+) {
+	log.Trace().Caller().Msgf("/derp request from %v", req.RemoteAddr)
+	upgrade := strings.ToLower(req.Header.Get("Upgrade"))
+
+	if upgrade != "websocket" && upgrade != "derp" {
+		if upgrade != "" {
+			log.Warn().
+				Caller().
+				Msg("No Upgrade header in DERP server request. If headscale is behind a reverse proxy, make sure it is configured to pass WebSockets through.")
+		}
+		writer.Header().Set("Content-Type", "text/plain")
+		writer.WriteHeader(http.StatusUpgradeRequired)
+		_, err := writer.Write([]byte("DERP requires connection upgrade"))
+		if err != nil {
+			log.Error().
+				Caller().
+				Err(err).
+				Msg("Failed to write response")
+		}
+
+		return
+	}
+
+	fastStart := req.Header.Get(fastStartHeader) == "1"
+
+	hijacker, ok := writer.(http.Hijacker)
+	if !ok {
+		log.Error().Caller().Msg("DERP requires Hijacker interface from Gin")
+		writer.Header().Set("Content-Type", "text/plain")
+		writer.WriteHeader(http.StatusInternalServerError)
+		_, err := writer.Write([]byte("HTTP does not support general TCP support"))
+		if err != nil {
+			log.Error().
+				Caller().
+				Err(err).
+				Msg("Failed to write response")
+		}
+
+		return
+	}
+
+	netConn, conn, err := hijacker.Hijack()
+	if err != nil {
+		log.Error().Caller().Err(err).Msgf("Hijack failed")
+		writer.Header().Set("Content-Type", "text/plain")
+		writer.WriteHeader(http.StatusInternalServerError)
+		_, err = writer.Write([]byte("HTTP does not support general TCP support"))
+		if err != nil {
+			log.Error().
+				Caller().
+				Err(err).
+				Msg("Failed to write response")
+		}
+
+		return
+	}
+	log.Trace().Caller().Msgf("Hijacked connection from %v", req.RemoteAddr)
+
+	if !fastStart {
+		pubKey := h.privateKey.Public()
+		pubKeyStr := pubKey.UntypedHexString() //nolint
+		fmt.Fprintf(conn, "HTTP/1.1 101 Switching Protocols\r\n"+
+			"Upgrade: DERP\r\n"+
+			"Connection: Upgrade\r\n"+
+			"Derp-Version: %v\r\n"+
+			"Derp-Public-Key: %s\r\n\r\n",
+			derp.ProtocolVersion,
+			pubKeyStr)
+	}
+
+	h.DERPServer.tailscaleDERP.Accept(req.Context(), netConn, conn, netConn.RemoteAddr().String())
+}
+
+// DERPProbeHandler is the endpoint that js/wasm clients hit to measure
+// DERP latency, since they can't do UDP STUN queries.
+func (h *Headscale) DERPProbeHandler(
+	writer http.ResponseWriter,
+	req *http.Request,
+) {
+	switch req.Method {
+	case http.MethodHead, http.MethodGet:
+		writer.Header().Set("Access-Control-Allow-Origin", "*")
+		writer.WriteHeader(http.StatusOK)
+	default:
+		writer.WriteHeader(http.StatusMethodNotAllowed)
+		_, err := writer.Write([]byte("bogus probe method"))
+		if err != nil {
+			log.Error().
+				Caller().
+				Err(err).
+				Msg("Failed to write response")
+		}
+	}
+}
+
+// DERPBootstrapDNSHandler implements the /bootsrap-dns endpoint
+// Described in https://github.com/tailscale/tailscale/issues/1405,
+// this endpoint provides a way to help a client when it fails to start up
+// because its DNS are broken.
+// The initial implementation is here https://github.com/tailscale/tailscale/pull/1406
+// They have a cache, but not clear if that is really necessary at Headscale, uh, scale.
+// An example implementation is found here https://derp.tailscale.com/bootstrap-dns
+func (h *Headscale) DERPBootstrapDNSHandler(
+	writer http.ResponseWriter,
+	req *http.Request,
+) {
+	dnsEntries := make(map[string][]net.IP)
+
+	resolvCtx, cancel := context.WithTimeout(req.Context(), time.Minute)
+	defer cancel()
+	var resolver net.Resolver
+	for _, region := range h.DERPMap.Regions {
+		for _, node := range region.Nodes { // we don't care if we override some nodes
+			addrs, err := resolver.LookupIP(resolvCtx, "ip", node.HostName)
+			if err != nil {
+				log.Trace().
+					Caller().
+					Err(err).
+					Msgf("bootstrap DNS lookup failed %q", node.HostName)
+
+				continue
+			}
+			dnsEntries[node.HostName] = addrs
+		}
+	}
+	writer.Header().Set("Content-Type", "application/json")
+	writer.WriteHeader(http.StatusOK)
+	err := json.NewEncoder(writer).Encode(dnsEntries)
+	if err != nil {
+		log.Error().
+			Caller().
+			Err(err).
+			Msg("Failed to write response")
+	}
+}
+
+// ServeSTUN starts a STUN server on the configured addr.
+func (h *Headscale) ServeSTUN() {
+	packetConn, err := net.ListenPacket("udp", h.cfg.DERP.STUNAddr)
+	if err != nil {
+		log.Fatal().Msgf("failed to open STUN listener: %v", err)
+	}
+	log.Info().Msgf("STUN server started at %s", packetConn.LocalAddr())
+
+	udpConn, ok := packetConn.(*net.UDPConn)
+	if !ok {
+		log.Fatal().Msg("STUN listener is not a UDP listener")
+	}
+	serverSTUNListener(context.Background(), udpConn)
+}
+
+func serverSTUNListener(ctx context.Context, packetConn *net.UDPConn) {
+	var buf [64 << 10]byte
+	var (
+		bytesRead int
+		udpAddr   *net.UDPAddr
+		err       error
+	)
+	for {
+		bytesRead, udpAddr, err = packetConn.ReadFromUDP(buf[:])
+		if err != nil {
+			if ctx.Err() != nil {
+				return
+			}
+			log.Error().Caller().Err(err).Msgf("STUN ReadFrom")
+			time.Sleep(time.Second)
+
+			continue
+		}
+		log.Trace().Caller().Msgf("STUN request from %v", udpAddr)
+		pkt := buf[:bytesRead]
+		if !stun.Is(pkt) {
+			log.Trace().Caller().Msgf("UDP packet is not STUN")
+
+			continue
+		}
+		txid, err := stun.ParseBindingRequest(pkt)
+		if err != nil {
+			log.Trace().Caller().Err(err).Msgf("STUN parse error")
+
+			continue
+		}
+
+		addr, _ := netip.AddrFromSlice(udpAddr.IP)
+		res := stun.Response(txid, netip.AddrPortFrom(addr, uint16(udpAddr.Port)))
+		_, err = packetConn.WriteTo(res, udpAddr)
+		if err != nil {
+			log.Trace().Caller().Err(err).Msgf("Issue writing to UDP")
+
+			continue
+		}
+	}
+}

dns.go

@@ -2,11 +2,14 @@ package headscale
 
 import (
 	"fmt"
+	"net/netip"
+	"net/url"
 	"strings"
 
-	"github.com/fatih/set"
-	"inet.af/netaddr"
+	mapset "github.com/deckarep/golang-set/v2"
+	"go4.org/netipx"
 	"tailscale.com/tailcfg"
+	"tailscale.com/types/dnstype"
 	"tailscale.com/util/dnsname"
 )
 
@@ -19,6 +22,10 @@ const (
 	ipv6AddressLength = 128
 )
 
+const (
+	nextDNSDoHPrefix = "https://dns.nextdns.io"
+)
+
 // generateMagicDNSRootDomains generates a list of DNS entries to be included in `Routes` in `MapResponse`.
 // This list of reverse DNS entries instructs the OS on what subnets and domains the Tailscale embedded DNS
 // server (listening in 100.100.100.100 udp/53) should be used for.
@@ -39,11 +46,11 @@ const (
 
 // From the netmask we can find out the wildcard bits (the bits that are not set in the netmask).
 // This allows us to then calculate the subnets included in the subsequent class block and generate the entries.
-func generateMagicDNSRootDomains(ipPrefixes []netaddr.IPPrefix) []dnsname.FQDN {
+func generateMagicDNSRootDomains(ipPrefixes []netip.Prefix) []dnsname.FQDN {
 	fqdns := make([]dnsname.FQDN, 0, len(ipPrefixes))
 	for _, ipPrefix := range ipPrefixes {
-		var generateDNSRoot func(netaddr.IPPrefix) []dnsname.FQDN
-		switch ipPrefix.IP().BitLen() {
+		var generateDNSRoot func(netip.Prefix) []dnsname.FQDN
+		switch ipPrefix.Addr().BitLen() {
 		case ipv4AddressLength:
 			generateDNSRoot = generateIPv4DNSRootDomain
 
@@ -54,7 +61,7 @@ func generateMagicDNSRootDomains(ipPrefixes []netaddr.IPPrefix) []dnsname.FQDN {
 			panic(
 				fmt.Sprintf(
 					"unsupported IP version with address length %d",
-					ipPrefix.IP().BitLen(),
+					ipPrefix.Addr().BitLen(),
 				),
 			)
 		}
@@ -65,9 +72,9 @@ func generateMagicDNSRootDomains(ipPrefixes []netaddr.IPPrefix) []dnsname.FQDN {
 	return fqdns
 }
 
-func generateIPv4DNSRootDomain(ipPrefix netaddr.IPPrefix) []dnsname.FQDN {
+func generateIPv4DNSRootDomain(ipPrefix netip.Prefix) []dnsname.FQDN {
 	// Conversion to the std lib net.IPnet, a bit easier to operate
-	netRange := ipPrefix.IPNet()
+	netRange := netipx.PrefixIPNet(ipPrefix)
 	maskBits, _ := netRange.Mask.Size()
 
 	// lastOctet is the last IP byte covered by the mask
@@ -101,11 +108,11 @@ func generateIPv4DNSRootDomain(ipPrefix netaddr.IPPrefix) []dnsname.FQDN {
 	return fqdns
 }
 
-func generateIPv6DNSRootDomain(ipPrefix netaddr.IPPrefix) []dnsname.FQDN {
+func generateIPv6DNSRootDomain(ipPrefix netip.Prefix) []dnsname.FQDN {
 	const nibbleLen = 4
 
-	maskBits, _ := ipPrefix.IPNet().Mask.Size()
-	expanded := ipPrefix.IP().StringExpanded()
+	maskBits, _ := netipx.PrefixIPNet(ipPrefix).Mask.Size()
+	expanded := ipPrefix.Addr().StringExpanded()
 	nibbleStr := strings.Map(func(r rune) rune {
 		if r == ':' {
 			return -1
@@ -151,16 +158,39 @@ func generateIPv6DNSRootDomain(ipPrefix netaddr.IPPrefix) []dnsname.FQDN {
 	return fqdns
 }
 
+// If any nextdns DoH resolvers are present in the list of resolvers it will
+// take metadata from the machine metadata and instruct tailscale to add it
+// to the requests. This makes it possible to identify from which device the
+// requests come in the NextDNS dashboard.
+//
+// This will produce a resolver like:
+// `https://dns.nextdns.io/<nextdns-id>?device_name=node-name&device_model=linux&device_ip=100.64.0.1`
+func addNextDNSMetadata(resolvers []*dnstype.Resolver, machine Machine) {
+	for _, resolver := range resolvers {
+		if strings.HasPrefix(resolver.Addr, nextDNSDoHPrefix) {
+			attrs := url.Values{
+				"device_name":  []string{machine.Hostname},
+				"device_model": []string{machine.HostInfo.OS},
+			}
+
+			if len(machine.IPAddresses) > 0 {
+				attrs.Add("device_ip", machine.IPAddresses[0].String())
+			}
+
+			resolver.Addr = fmt.Sprintf("%s?%s", resolver.Addr, attrs.Encode())
+		}
+	}
+}
+
 func getMapResponseDNSConfig(
 	dnsConfigOrig *tailcfg.DNSConfig,
 	baseDomain string,
 	machine Machine,
 	peers Machines,
 ) *tailcfg.DNSConfig {
-	var dnsConfig *tailcfg.DNSConfig
+	var dnsConfig *tailcfg.DNSConfig = dnsConfigOrig.Clone()
 	if dnsConfigOrig != nil && dnsConfigOrig.Proxied { // if MagicDNS is enabled
 		// Only inject the Search Domain of the current namespace - shared nodes should use their full FQDN
-		dnsConfig = dnsConfigOrig.Clone()
 		dnsConfig.Domains = append(
 			dnsConfig.Domains,
 			fmt.Sprintf(
@@ -170,18 +200,12 @@ func getMapResponseDNSConfig(
 			),
 		)
 
-		namespaceSet := set.New(set.ThreadSafe)
+		namespaceSet := mapset.NewSet[Namespace]()
 		namespaceSet.Add(machine.Namespace)
 		for _, p := range peers {
 			namespaceSet.Add(p.Namespace)
 		}
-		for _, ns := range namespaceSet.List() {
-			namespace, ok := ns.(Namespace)
-			if !ok {
-				dnsConfig = dnsConfigOrig
-
-				continue
-			}
+		for _, namespace := range namespaceSet.ToSlice() {
 			dnsRoute := fmt.Sprintf("%v.%v", namespace.Name, baseDomain)
 			dnsConfig.Routes[dnsRoute] = nil
 		}
@@ -189,5 +213,7 @@ func getMapResponseDNSConfig(
 		dnsConfig = dnsConfigOrig
 	}
 
+	addNextDNSMetadata(dnsConfig.Resolvers, machine)
+
 	return dnsConfig
 }

dns_test.go

@@ -2,16 +2,16 @@ package headscale
 
 import (
 	"fmt"
+	"net/netip"
 
 	"gopkg.in/check.v1"
-	"inet.af/netaddr"
 	"tailscale.com/tailcfg"
 	"tailscale.com/types/dnstype"
 )
 
 func (s *Suite) TestMagicDNSRootDomains100(c *check.C) {
-	prefixes := []netaddr.IPPrefix{
-		netaddr.MustParseIPPrefix("100.64.0.0/10"),
+	prefixes := []netip.Prefix{
+		netip.MustParsePrefix("100.64.0.0/10"),
 	}
 	domains := generateMagicDNSRootDomains(prefixes)
 
@@ -47,8 +47,8 @@ func (s *Suite) TestMagicDNSRootDomains100(c *check.C) {
 }
 
 func (s *Suite) TestMagicDNSRootDomains172(c *check.C) {
-	prefixes := []netaddr.IPPrefix{
-		netaddr.MustParseIPPrefix("172.16.0.0/16"),
+	prefixes := []netip.Prefix{
+		netip.MustParsePrefix("172.16.0.0/16"),
 	}
 	domains := generateMagicDNSRootDomains(prefixes)
 
@@ -75,8 +75,8 @@ func (s *Suite) TestMagicDNSRootDomains172(c *check.C) {
 
 // Happens when netmask is a multiple of 4 bits (sounds likely).
 func (s *Suite) TestMagicDNSRootDomainsIPv6Single(c *check.C) {
-	prefixes := []netaddr.IPPrefix{
-		netaddr.MustParseIPPrefix("fd7a:115c:a1e0::/48"),
+	prefixes := []netip.Prefix{
+		netip.MustParsePrefix("fd7a:115c:a1e0::/48"),
 	}
 	domains := generateMagicDNSRootDomains(prefixes)
 
@@ -89,8 +89,8 @@ func (s *Suite) TestMagicDNSRootDomainsIPv6Single(c *check.C) {
 }
 
 func (s *Suite) TestMagicDNSRootDomainsIPv6SingleMultiple(c *check.C) {
-	prefixes := []netaddr.IPPrefix{
-		netaddr.MustParseIPPrefix("fd7a:115c:a1e0::/50"),
+	prefixes := []netip.Prefix{
+		netip.MustParsePrefix("fd7a:115c:a1e0::/50"),
 	}
 	domains := generateMagicDNSRootDomains(prefixes)
 
@@ -126,6 +126,7 @@ func (s *Suite) TestDNSConfigMapResponseWithMagicDNS(c *check.C) {
 		false,
 		false,
 		nil,
+		nil,
 	)
 	c.Assert(err, check.IsNil)
 
@@ -134,6 +135,7 @@ func (s *Suite) TestDNSConfigMapResponseWithMagicDNS(c *check.C) {
 		false,
 		false,
 		nil,
+		nil,
 	)
 	c.Assert(err, check.IsNil)
 
@@ -142,6 +144,7 @@ func (s *Suite) TestDNSConfigMapResponseWithMagicDNS(c *check.C) {
 		false,
 		false,
 		nil,
+		nil,
 	)
 	c.Assert(err, check.IsNil)
 
@@ -150,6 +153,7 @@ func (s *Suite) TestDNSConfigMapResponseWithMagicDNS(c *check.C) {
 		false,
 		false,
 		nil,
+		nil,
 	)
 	c.Assert(err, check.IsNil)
 
@@ -161,16 +165,16 @@ func (s *Suite) TestDNSConfigMapResponseWithMagicDNS(c *check.C) {
 		MachineKey:     "686824e749f3b7f2a5927ee6c1e422aee5292592d9179a271ed7b3e659b44a66",
 		NodeKey:        "686824e749f3b7f2a5927ee6c1e422aee5292592d9179a271ed7b3e659b44a66",
 		DiscoKey:       "686824e749f3b7f2a5927ee6c1e422aee5292592d9179a271ed7b3e659b44a66",
-		Name:           "test_get_shared_nodes_1",
+		Hostname:       "test_get_shared_nodes_1",
 		NamespaceID:    namespaceShared1.ID,
 		Namespace:      *namespaceShared1,
 		RegisterMethod: RegisterMethodAuthKey,
-		IPAddresses:    []netaddr.IP{netaddr.MustParseIP("100.64.0.1")},
+		IPAddresses:    []netip.Addr{netip.MustParseAddr("100.64.0.1")},
 		AuthKeyID:      uint(preAuthKeyInShared1.ID),
 	}
 	app.db.Save(machineInShared1)
 
-	_, err = app.GetMachine(namespaceShared1.Name, machineInShared1.Name)
+	_, err = app.GetMachine(namespaceShared1.Name, machineInShared1.Hostname)
 	c.Assert(err, check.IsNil)
 
 	machineInShared2 := &Machine{
@@ -178,16 +182,16 @@ func (s *Suite) TestDNSConfigMapResponseWithMagicDNS(c *check.C) {
 		MachineKey:     "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
 		NodeKey:        "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
 		DiscoKey:       "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
-		Name:           "test_get_shared_nodes_2",
+		Hostname:       "test_get_shared_nodes_2",
 		NamespaceID:    namespaceShared2.ID,
 		Namespace:      *namespaceShared2,
 		RegisterMethod: RegisterMethodAuthKey,
-		IPAddresses:    []netaddr.IP{netaddr.MustParseIP("100.64.0.2")},
+		IPAddresses:    []netip.Addr{netip.MustParseAddr("100.64.0.2")},
 		AuthKeyID:      uint(preAuthKeyInShared2.ID),
 	}
 	app.db.Save(machineInShared2)
 
-	_, err = app.GetMachine(namespaceShared2.Name, machineInShared2.Name)
+	_, err = app.GetMachine(namespaceShared2.Name, machineInShared2.Hostname)
 	c.Assert(err, check.IsNil)
 
 	machineInShared3 := &Machine{
@@ -195,16 +199,16 @@ func (s *Suite) TestDNSConfigMapResponseWithMagicDNS(c *check.C) {
 		MachineKey:     "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
 		NodeKey:        "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
 		DiscoKey:       "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
-		Name:           "test_get_shared_nodes_3",
+		Hostname:       "test_get_shared_nodes_3",
 		NamespaceID:    namespaceShared3.ID,
 		Namespace:      *namespaceShared3,
 		RegisterMethod: RegisterMethodAuthKey,
-		IPAddresses:    []netaddr.IP{netaddr.MustParseIP("100.64.0.3")},
+		IPAddresses:    []netip.Addr{netip.MustParseAddr("100.64.0.3")},
 		AuthKeyID:      uint(preAuthKeyInShared3.ID),
 	}
 	app.db.Save(machineInShared3)
 
-	_, err = app.GetMachine(namespaceShared3.Name, machineInShared3.Name)
+	_, err = app.GetMachine(namespaceShared3.Name, machineInShared3.Hostname)
 	c.Assert(err, check.IsNil)
 
 	machine2InShared1 := &Machine{
@@ -212,18 +216,18 @@ func (s *Suite) TestDNSConfigMapResponseWithMagicDNS(c *check.C) {
 		MachineKey:     "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
 		NodeKey:        "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
 		DiscoKey:       "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
-		Name:           "test_get_shared_nodes_4",
+		Hostname:       "test_get_shared_nodes_4",
 		NamespaceID:    namespaceShared1.ID,
 		Namespace:      *namespaceShared1,
 		RegisterMethod: RegisterMethodAuthKey,
-		IPAddresses:    []netaddr.IP{netaddr.MustParseIP("100.64.0.4")},
+		IPAddresses:    []netip.Addr{netip.MustParseAddr("100.64.0.4")},
 		AuthKeyID:      uint(PreAuthKey2InShared1.ID),
 	}
 	app.db.Save(machine2InShared1)
 
 	baseDomain := "foobar.headscale.net"
 	dnsConfigOrig := tailcfg.DNSConfig{
-		Routes:  make(map[string][]dnstype.Resolver),
+		Routes:  make(map[string][]*dnstype.Resolver),
 		Domains: []string{baseDomain},
 		Proxied: true,
 	}
@@ -269,6 +273,7 @@ func (s *Suite) TestDNSConfigMapResponseWithoutMagicDNS(c *check.C) {
 		false,
 		false,
 		nil,
+		nil,
 	)
 	c.Assert(err, check.IsNil)
 
@@ -277,6 +282,7 @@ func (s *Suite) TestDNSConfigMapResponseWithoutMagicDNS(c *check.C) {
 		false,
 		false,
 		nil,
+		nil,
 	)
 	c.Assert(err, check.IsNil)
 
@@ -285,6 +291,7 @@ func (s *Suite) TestDNSConfigMapResponseWithoutMagicDNS(c *check.C) {
 		false,
 		false,
 		nil,
+		nil,
 	)
 	c.Assert(err, check.IsNil)
 
@@ -293,6 +300,7 @@ func (s *Suite) TestDNSConfigMapResponseWithoutMagicDNS(c *check.C) {
 		false,
 		false,
 		nil,
+		nil,
 	)
 	c.Assert(err, check.IsNil)
 
@@ -304,16 +312,16 @@ func (s *Suite) TestDNSConfigMapResponseWithoutMagicDNS(c *check.C) {
 		MachineKey:     "686824e749f3b7f2a5927ee6c1e422aee5292592d9179a271ed7b3e659b44a66",
 		NodeKey:        "686824e749f3b7f2a5927ee6c1e422aee5292592d9179a271ed7b3e659b44a66",
 		DiscoKey:       "686824e749f3b7f2a5927ee6c1e422aee5292592d9179a271ed7b3e659b44a66",
-		Name:           "test_get_shared_nodes_1",
+		Hostname:       "test_get_shared_nodes_1",
 		NamespaceID:    namespaceShared1.ID,
 		Namespace:      *namespaceShared1,
 		RegisterMethod: RegisterMethodAuthKey,
-		IPAddresses:    []netaddr.IP{netaddr.MustParseIP("100.64.0.1")},
+		IPAddresses:    []netip.Addr{netip.MustParseAddr("100.64.0.1")},
 		AuthKeyID:      uint(preAuthKeyInShared1.ID),
 	}
 	app.db.Save(machineInShared1)
 
-	_, err = app.GetMachine(namespaceShared1.Name, machineInShared1.Name)
+	_, err = app.GetMachine(namespaceShared1.Name, machineInShared1.Hostname)
 	c.Assert(err, check.IsNil)
 
 	machineInShared2 := &Machine{
@@ -321,16 +329,16 @@ func (s *Suite) TestDNSConfigMapResponseWithoutMagicDNS(c *check.C) {
 		MachineKey:     "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
 		NodeKey:        "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
 		DiscoKey:       "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
-		Name:           "test_get_shared_nodes_2",
+		Hostname:       "test_get_shared_nodes_2",
 		NamespaceID:    namespaceShared2.ID,
 		Namespace:      *namespaceShared2,
 		RegisterMethod: RegisterMethodAuthKey,
-		IPAddresses:    []netaddr.IP{netaddr.MustParseIP("100.64.0.2")},
+		IPAddresses:    []netip.Addr{netip.MustParseAddr("100.64.0.2")},
 		AuthKeyID:      uint(preAuthKeyInShared2.ID),
 	}
 	app.db.Save(machineInShared2)
 
-	_, err = app.GetMachine(namespaceShared2.Name, machineInShared2.Name)
+	_, err = app.GetMachine(namespaceShared2.Name, machineInShared2.Hostname)
 	c.Assert(err, check.IsNil)
 
 	machineInShared3 := &Machine{
@@ -338,16 +346,16 @@ func (s *Suite) TestDNSConfigMapResponseWithoutMagicDNS(c *check.C) {
 		MachineKey:     "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
 		NodeKey:        "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
 		DiscoKey:       "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
-		Name:           "test_get_shared_nodes_3",
+		Hostname:       "test_get_shared_nodes_3",
 		NamespaceID:    namespaceShared3.ID,
 		Namespace:      *namespaceShared3,
 		RegisterMethod: RegisterMethodAuthKey,
-		IPAddresses:    []netaddr.IP{netaddr.MustParseIP("100.64.0.3")},
+		IPAddresses:    []netip.Addr{netip.MustParseAddr("100.64.0.3")},
 		AuthKeyID:      uint(preAuthKeyInShared3.ID),
 	}
 	app.db.Save(machineInShared3)
 
-	_, err = app.GetMachine(namespaceShared3.Name, machineInShared3.Name)
+	_, err = app.GetMachine(namespaceShared3.Name, machineInShared3.Hostname)
 	c.Assert(err, check.IsNil)
 
 	machine2InShared1 := &Machine{
@@ -355,18 +363,18 @@ func (s *Suite) TestDNSConfigMapResponseWithoutMagicDNS(c *check.C) {
 		MachineKey:     "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
 		NodeKey:        "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
 		DiscoKey:       "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
-		Name:           "test_get_shared_nodes_4",
+		Hostname:       "test_get_shared_nodes_4",
 		NamespaceID:    namespaceShared1.ID,
 		Namespace:      *namespaceShared1,
 		RegisterMethod: RegisterMethodAuthKey,
-		IPAddresses:    []netaddr.IP{netaddr.MustParseIP("100.64.0.4")},
+		IPAddresses:    []netip.Addr{netip.MustParseAddr("100.64.0.4")},
 		AuthKeyID:      uint(preAuthKey2InShared1.ID),
 	}
 	app.db.Save(machine2InShared1)
 
 	baseDomain := "foobar.headscale.net"
 	dnsConfigOrig := tailcfg.DNSConfig{
-		Routes:  make(map[string][]dnstype.Resolver),
+		Routes:  make(map[string][]*dnstype.Resolver),
 		Domains: []string{baseDomain},
 		Proxied: false,
 	}

docs/README.md

@@ -3,7 +3,7 @@
 This page contains the official and community contributed documentation for `headscale`.
 
 If you are having trouble with following the documentation or get unexpected results,
-please ask on [Discord](https://discord.gg/XcQxk2VHjx) instead of opening an Issue.
+please ask on [Discord](https://discord.gg/c84AZQhmpx) instead of opening an Issue.
 
 ## Official documentation
 
@@ -27,6 +27,8 @@ written by community members. It is _not_ verified by `headscale` developers.
 **It might be outdated and it might miss necessary steps**.
 
 - [Running headscale in a container](running-headscale-container.md)
+- [Running headscale on OpenBSD](running-headscale-openbsd.md)
+- [Running headscale behind a reverse proxy](reverse-proxy.md)
 
 ## Misc
 

docs/acls.md

@@ -5,12 +5,16 @@ ACL's are the most useful).
 
 We have a small company with a boss, an admin, two developers and an intern.
 
-The boss should have access to all servers but not to the users hosts. Admin
+The boss should have access to all servers but not to the user's hosts. Admin
 should also have access to all hosts except that their permissions should be
 limited to maintaining the hosts (for example purposes). The developers can do
-anything they want on dev hosts, but only watch on productions hosts. Intern
+anything they want on dev hosts but only watch on productions hosts. Intern
 can only interact with the development servers.
 
+There's an additional server that acts as a router, connecting the VPN users
+to an internal network `10.20.0.0/16`. Developers must have access to those
+internal resources.
+
 Each user have at least a device connected to the network and we have some
 servers.
 
@@ -19,23 +23,20 @@ servers.
 - app-server1.prod
 - app-server1.dev
 - billing.internal
+- router.internal
 
-## Setup of the network
+![ACL implementation example](images/headscale-acl-network.png)
 
-Let's create the namespaces. Each user should have his own namespace. The users
-here are represented as namespaces.
+## ACL setup
 
-```bash
-headscale namespaces create boss
-headscale namespaces create admin1
-headscale namespaces create dev1
-headscale namespaces create dev2
-headscale namespaces create intern1
-```
+Note: Namespaces will be created automatically when users authenticate with the
+Headscale server.
 
-We don't need to create namespaces for the servers because the servers will be
-tagged. When registering the servers we will need to add the flag
-`--advertised-tags=tag:<tag1>,tag:<tag2>`, and the user (namespace) that is
+ACLs could be written either on [huJSON](https://github.com/tailscale/hujson)
+or YAML. Check the [test ACLs](../tests/acls) for further information.
+
+When registering the servers we will need to add the flag
+`--advertise-tags=tag:<tag1>,tag:<tag2>`, and the user (namespace) that is
 registering the server should be allowed to do it. Since anyone can add tags to
 a server they can register, the check of the tags is done on headscale server
 and only valid tags are applied. A tag is valid if the namespace that is
@@ -70,12 +71,20 @@ Here are the ACL's to implement the same permissions as above:
 
     // interns cannot add servers
   },
+  // hosts should be defined using its IP addresses and a subnet mask.
+  // to define a single host, use a /32 mask. You cannot use DNS entries here,
+  // as they're prone to be hijacked by replacing their IP addresses.
+  // see https://github.com/tailscale/tailscale/issues/3800 for more information.
+  "Hosts": {
+    "postgresql.internal": "10.20.0.2/32",
+    "webservers.internal": "10.20.10.1/29"
+  },
   "acls": [
     // boss have access to all servers
     {
       "action": "accept",
-      "users": ["group:boss"],
-      "ports": [
+      "src": ["group:boss"],
+      "dst": [
         "tag:prod-databases:*",
         "tag:prod-app-servers:*",
         "tag:internal:*",
@@ -84,11 +93,12 @@ Here are the ACL's to implement the same permissions as above:
       ]
     },
 
-    // admin have only access to administrative ports of the servers
+    // admin have only access to administrative ports of the servers, in tcp/22
     {
       "action": "accept",
-      "users": ["group:admin"],
-      "ports": [
+      "src": ["group:admin"],
+      "proto": "tcp",
+      "dst": [
         "tag:prod-databases:22",
         "tag:prod-app-servers:22",
         "tag:internal:22",
@@ -97,45 +107,70 @@ Here are the ACL's to implement the same permissions as above:
       ]
     },
 
+    // we also allow admin to ping the servers
+    {
+      "action": "accept",
+      "src": ["group:admin"],
+      "proto": "icmp",
+      "dst": [
+        "tag:prod-databases:*",
+        "tag:prod-app-servers:*",
+        "tag:internal:*",
+        "tag:dev-databases:*",
+        "tag:dev-app-servers:*"
+      ]
+    },
+
     // developers have access to databases servers and application servers on all ports
     // they can only view the applications servers in prod and have no access to databases servers in production
     {
       "action": "accept",
-      "users": ["group:dev"],
-      "ports": [
+      "src": ["group:dev"],
+      "dst": [
         "tag:dev-databases:*",
         "tag:dev-app-servers:*",
         "tag:prod-app-servers:80,443"
       ]
     },
+    // developers have access to the internal network through the router.
+    // the internal network is composed of HTTPS endpoints and Postgresql
+    // database servers. There's an additional rule to allow traffic to be
+    // forwarded to the internal subnet, 10.20.0.0/16. See this issue
+    // https://github.com/juanfont/headscale/issues/502
+    {
+      "action": "accept",
+      "src": ["group:dev"],
+      "dst": ["10.20.0.0/16:443,5432", "router.internal:0"]
+    },
 
-    // servers should be able to talk to database. Database should not be able to initiate connections to
+    // servers should be able to talk to database in tcp/5432. Database should not be able to initiate connections to
     // applications servers
     {
       "action": "accept",
-      "users": ["tag:dev-app-servers"],
-      "ports": ["tag:dev-databases:5432"]
+      "src": ["tag:dev-app-servers"],
+      "proto": "tcp",
+      "dst": ["tag:dev-databases:5432"]
     },
     {
       "action": "accept",
-      "users": ["tag:prod-app-servers"],
-      "ports": ["tag:prod-databases:5432"]
+      "src": ["tag:prod-app-servers"],
+      "dst": ["tag:prod-databases:5432"]
     },
 
     // interns have access to dev-app-servers only in reading mode
     {
       "action": "accept",
-      "users": ["group:intern"],
-      "ports": ["tag:dev-app-servers:80,443"]
+      "src": ["group:intern"],
+      "dst": ["tag:dev-app-servers:80,443"]
     },
 
     // We still have to allow internal namespaces communications since nothing guarantees that each user have
     // their own namespaces.
-    { "action": "accept", "users": ["boss"], "ports": ["boss:*"] },
-    { "action": "accept", "users": ["dev1"], "ports": ["dev1:*"] },
-    { "action": "accept", "users": ["dev2"], "ports": ["dev2:*"] },
-    { "action": "accept", "users": ["admin1"], "ports": ["admin1:*"] },
-    { "action": "accept", "users": ["intern1"], "ports": ["intern1:*"] }
+    { "action": "accept", "src": ["boss"], "dst": ["boss:*"] },
+    { "action": "accept", "src": ["dev1"], "dst": ["dev1:*"] },
+    { "action": "accept", "src": ["dev2"], "dst": ["dev2:*"] },
+    { "action": "accept", "src": ["admin1"], "dst": ["admin1:*"] },
+    { "action": "accept", "src": ["intern1"], "dst": ["intern1:*"] }
   ]
 }
 ```

docs/android-client.md

@@ -0,0 +1,19 @@
+# Connecting an Android client
+
+## Goal
+
+This documentation has the goal of showing how a user can use the official Android [Tailscale](https://tailscale.com) client with `headscale`.
+
+## Installation
+
+Install the official Tailscale Android client from the [Google Play Store](https://play.google.com/store/apps/details?id=com.tailscale.ipn) or [F-Droid](https://f-droid.org/packages/com.tailscale.ipn/).
+
+Ensure that the installed version is at least 1.30.0, as that is the first release to support custom URLs.
+
+## Configuring the headscale URL
+
+After opening the app, the kebab menu icon (three dots) on the top bar on the right must be repeatedly opened and closed until the _Change server_ option appears in the menu. This is where you can enter your headscale URL.
+
+A screen recording of this process can be seen in the `tailscale-android` PR which implemented this functionality: <https://github.com/tailscale/tailscale-android/pull/55>
+
+After saving and restarting the app, selecting the regular _Sign in_ option (non-SSO) should open up the headscale authentication page.

docs/proposals/001-acls.md

@@ -0,0 +1,362 @@
+# ACLs
+
+A key component of tailscale is the notion of Tailnet. This notion is hidden
+but the implications that it have on how to use tailscale are not.
+
+For tailscale an [tailnet](https://tailscale.com/kb/1136/tailnet/) is the
+following:
+
+> For personal users, you are a tailnet of many devices and one person. Each
+> device gets a private Tailscale IP address in the CGNAT range and every
+> device can talk directly to every other device, wherever they are on the
+> internet.
+>
+> For businesses and organizations, a tailnet is many devices and many users.
+> It can be based on your Microsoft Active Directory, your Google Workspace, a
+> GitHub organization, Okta tenancy, or other identity provider namespace. All
+> of the devices and users in your tailnet can be seen by the tailnet
+> administrators in the Tailscale admin console. There you can apply
+> tailnet-wide configuration, such as ACLs that affect visibility of devices
+> inside your tailnet, DNS settings, and more.
+
+## Current implementation and issues
+
+Currently in headscale, the namespaces are used both as tailnet and users. The
+issue is that if we want to use the ACL's we can't use both at the same time.
+
+Tailnet's cannot communicate with each others. So we can't have an ACL that
+authorize tailnet (namespace) A to talk to tailnet (namespace) B.
+
+We also can't write ACLs based on the users (namespaces in headscale) since all
+devices belong to the same user.
+
+With the current implementation the only ACL that we can user is to associate
+each headscale IP to a host manually then write the ACLs according to this
+manual mapping.
+
+```json
+{
+  "hosts": {
+    "host1": "100.64.0.1",
+    "server": "100.64.0.2"
+  },
+  "acls": [
+    { "action": "accept", "users": ["host1"], "ports": ["host2:80,443"] }
+  ]
+}
+```
+
+While this works, it requires a lot of manual editing on the configuration and
+to keep track of all devices IP address.
+
+## Proposition for a next implementation
+
+In order to ease the use of ACL's we need to split the tailnet and users
+notion.
+
+A solution could be to consider a headscale server (in it's entirety) as a
+tailnet.
+
+For personal users the default behavior could either allow all communications
+between all namespaces (like tailscale) or dissallow all communications between
+namespaces (current behavior).
+
+For businesses and organisations, viewing a headscale instance a single tailnet
+would allow users (namespace) to talk to each other with the ACLs. As described
+in tailscale's documentation [[1]], a server should be tagged and personnal
+devices should be tied to a user. Translated in headscale's terms each user can
+have multiple devices and all those devices should be in the same namespace.
+The servers should be tagged and used as such.
+
+This implementation would render useless the sharing feature that is currently
+implemented since an ACL could do the same. Simplifying to only one user
+interface to do one thing is easier and less confusing for the users.
+
+To better suit the ACLs in this proposition, it's advised to consider that each
+namespaces belong to one person. This person can have multiple devices, they
+will all be considered as the same user in the ACLs. OIDC feature wouldn't need
+to map people to namespace, just create a namespace if the person isn't
+registered yet.
+
+As a sidenote, users would like to write ACLs as YAML. We should offer users
+the ability to rules in either format (HuJSON or YAML).
+
+[1]: https://tailscale.com/kb/1068/acl-tags/
+
+## Example
+
+Let's build an example use case for a small business (It may be the place where
+ACL's are the most useful).
+
+We have a small company with a boss, an admin, two developper and an intern.
+
+The boss should have access to all servers but not to the users hosts. Admin
+should also have access to all hosts except that their permissions should be
+limited to maintaining the hosts (for example purposes). The developers can do
+anything they want on dev hosts, but only watch on productions hosts. Intern
+can only interact with the development servers.
+
+Each user have at least a device connected to the network and we have some
+servers.
+
+- database.prod
+- database.dev
+- app-server1.prod
+- app-server1.dev
+- billing.internal
+
+### Current headscale implementation
+
+Let's create some namespaces
+
+```bash
+headscale namespaces create prod
+headscale namespaces create dev
+headscale namespaces create internal
+headscale namespaces create users
+
+headscale nodes register -n users boss-computer
+headscale nodes register -n users admin1-computer
+headscale nodes register -n users dev1-computer
+headscale nodes register -n users dev1-phone
+headscale nodes register -n users dev2-computer
+headscale nodes register -n users intern1-computer
+
+headscale nodes register -n prod database
+headscale nodes register -n prod app-server1
+
+headscale nodes register -n dev database
+headscale nodes register -n dev app-server1
+
+headscale nodes register -n internal billing
+
+headscale nodes list
+ID  | Name              | Namespace | IP address
+1   | boss-computer     | users     | 100.64.0.1
+2   | admin1-computer   | users     | 100.64.0.2
+3   | dev1-computer     | users     | 100.64.0.3
+4   | dev1-phone        | users     | 100.64.0.4
+5   | dev2-computer     | users     | 100.64.0.5
+6   | intern1-computer  | users     | 100.64.0.6
+7   | database          | prod      | 100.64.0.7
+8   | app-server1       | prod      | 100.64.0.8
+9   | database          | dev       | 100.64.0.9
+10  | app-server1       | dev       | 100.64.0.10
+11  | internal          | internal  | 100.64.0.11
+```
+
+In order to only allow the communications related to our description above we
+need to add the following ACLs
+
+```json
+{
+  "hosts": {
+    "boss-computer": "100.64.0.1",
+    "admin1-computer": "100.64.0.2",
+    "dev1-computer": "100.64.0.3",
+    "dev1-phone": "100.64.0.4",
+    "dev2-computer": "100.64.0.5",
+    "intern1-computer": "100.64.0.6",
+    "prod-app-server1": "100.64.0.8"
+  },
+  "groups": {
+    "group:dev": ["dev1-computer", "dev1-phone", "dev2-computer"],
+    "group:admin": ["admin1-computer"],
+    "group:boss": ["boss-computer"],
+    "group:intern": ["intern1-computer"]
+  },
+  "acls": [
+    // boss have access to all servers but no users hosts
+    {
+      "action": "accept",
+      "users": ["group:boss"],
+      "ports": ["prod:*", "dev:*", "internal:*"]
+    },
+
+    // admin have access to adminstration port (lets only consider port 22 here)
+    {
+      "action": "accept",
+      "users": ["group:admin"],
+      "ports": ["prod:22", "dev:22", "internal:22"]
+    },
+
+    // dev can do anything on dev servers and check access on prod servers
+    {
+      "action": "accept",
+      "users": ["group:dev"],
+      "ports": ["dev:*", "prod-app-server1:80,443"]
+    },
+
+    // interns only have access to port 80 and 443 on dev servers (lame internship)
+    { "action": "accept", "users": ["group:intern"], "ports": ["dev:80,443"] },
+
+    // users can access their own devices
+    {
+      "action": "accept",
+      "users": ["dev1-computer"],
+      "ports": ["dev1-phone:*"]
+    },
+    {
+      "action": "accept",
+      "users": ["dev1-phone"],
+      "ports": ["dev1-computer:*"]
+    },
+
+    // internal namespace communications should still be allowed within the namespace
+    { "action": "accept", "users": ["dev"], "ports": ["dev:*"] },
+    { "action": "accept", "users": ["prod"], "ports": ["prod:*"] },
+    { "action": "accept", "users": ["internal"], "ports": ["internal:*"] }
+  ]
+}
+```
+
+Since communications between namespace isn't possible we also have to share the
+devices between the namespaces.
+
+```bash
+
+// add boss host to prod, dev and internal network
+headscale nodes share -i 1 -n prod
+headscale nodes share -i 1 -n dev
+headscale nodes share -i 1 -n internal
+
+// add admin computer to prod, dev and internal network
+headscale nodes share -i 2 -n prod
+headscale nodes share -i 2 -n dev
+headscale nodes share -i 2 -n internal
+
+// add all dev to prod and dev network
+headscale nodes share -i 3 -n dev
+headscale nodes share -i 4 -n dev
+headscale nodes share -i 3 -n prod
+headscale nodes share -i 4 -n prod
+headscale nodes share -i 5 -n dev
+headscale nodes share -i 5 -n prod
+
+headscale nodes share -i 6 -n dev
+```
+
+This fake network have not been tested but it should work. Operating it could
+be quite tedious if the company grows. Each time a new user join we have to add
+it to a group, and share it to the correct namespaces. If the user want
+multiple devices we have to allow communication to each of them one by one. If
+business conduct a change in the organisations we may have to rewrite all acls
+and reorganise all namespaces.
+
+If we add servers in production we should also update the ACLs to allow dev
+access to certain category of them (only app servers for example).
+
+### example based on the proposition in this document
+
+Let's create the namespaces
+
+```bash
+headscale namespaces create boss
+headscale namespaces create admin1
+headscale namespaces create dev1
+headscale namespaces create dev2
+headscale namespaces create intern1
+```
+
+We don't need to create namespaces for the servers because the servers will be
+tagged. When registering the servers we will need to add the flag
+`--advertised-tags=tag:<tag1>,tag:<tag2>`, and the user (namespace) that is
+registering the server should be allowed to do it. Since anyone can add tags to
+a server they can register, the check of the tags is done on headscale server
+and only valid tags are applied. A tag is valid if the namespace that is
+registering it is allowed to do it.
+
+Here are the ACL's to implement the same permissions as above:
+
+```json
+{
+  // groups are simpler and only list the namespaces name
+  "groups": {
+    "group:boss": ["boss"],
+    "group:dev": ["dev1", "dev2"],
+    "group:admin": ["admin1"],
+    "group:intern": ["intern1"]
+  },
+  "tagOwners": {
+    // the administrators can add servers in production
+    "tag:prod-databases": ["group:admin"],
+    "tag:prod-app-servers": ["group:admin"],
+
+    // the boss can tag any server as internal
+    "tag:internal": ["group:boss"],
+
+    // dev can add servers for dev purposes as well as admins
+    "tag:dev-databases": ["group:admin", "group:dev"],
+    "tag:dev-app-servers": ["group:admin", "group:dev"]
+
+    // interns cannot add servers
+  },
+  "acls": [
+    // boss have access to all servers
+    {
+      "action": "accept",
+      "users": ["group:boss"],
+      "ports": [
+        "tag:prod-databases:*",
+        "tag:prod-app-servers:*",
+        "tag:internal:*",
+        "tag:dev-databases:*",
+        "tag:dev-app-servers:*"
+      ]
+    },
+
+    // admin have only access to administrative ports of the servers
+    {
+      "action": "accept",
+      "users": ["group:admin"],
+      "ports": [
+        "tag:prod-databases:22",
+        "tag:prod-app-servers:22",
+        "tag:internal:22",
+        "tag:dev-databases:22",
+        "tag:dev-app-servers:22"
+      ]
+    },
+
+    {
+      "action": "accept",
+      "users": ["group:dev"],
+      "ports": [
+        "tag:dev-databases:*",
+        "tag:dev-app-servers:*",
+        "tag:prod-app-servers:80,443"
+      ]
+    },
+
+    // servers should be able to talk to database. Database should not be able to initiate connections to server
+    {
+      "action": "accept",
+      "users": ["tag:dev-app-servers"],
+      "ports": ["tag:dev-databases:5432"]
+    },
+    {
+      "action": "accept",
+      "users": ["tag:prod-app-servers"],
+      "ports": ["tag:prod-databases:5432"]
+    },
+
+    // interns have access to dev-app-servers only in reading mode
+    {
+      "action": "accept",
+      "users": ["group:intern"],
+      "ports": ["tag:dev-app-servers:80,443"]
+    },
+
+    // we still have to allow internal namespaces communications since nothing guarantees that each user have their own namespaces. This could be talked over.
+    { "action": "accept", "users": ["boss"], "ports": ["boss:*"] },
+    { "action": "accept", "users": ["dev1"], "ports": ["dev1:*"] },
+    { "action": "accept", "users": ["dev2"], "ports": ["dev2:*"] },
+    { "action": "accept", "users": ["admin1"], "ports": ["admin1:*"] },
+    { "action": "accept", "users": ["intern1"], "ports": ["intern1:*"] }
+  ]
+}
+```
+
+With this implementation, the sharing step is not necessary. Maintenance cost
+of the ACL file is lower and less tedious (no need to map hostname and IP's
+into it).

docs/proposals/002-better-routing.md

@@ -0,0 +1,48 @@
+# Better route management
+
+As of today, route management in Headscale is very basic and does not allow for much flexibility, including implementing subnet HA, 4via6 or more advanced features. We also have a number of bugs (e.g., routes exposed by ephemeral nodes)
+
+This proposal aims to improve the route management.
+
+## Current situation
+
+Routes advertised by the nodes are read from the Hostinfo struct. If approved from the the CLI or via autoApprovers, the route is added to the EnabledRoutes field in `Machine`.
+
+This means that the advertised routes are not persisted in the database, as Hostinfo is always replaced. In the same way, EnabledRoutes can get out of sync with the actual routes in the node.
+
+In case of colliding routes (i.e., subnets that are exposed from multiple nodes), we are currently just sending all of them in `PrimaryRoutes`... and hope for the best. (`PrimaryRoutes` is the field in `Node` used for subnet failover).
+
+## Proposal
+
+The core part is to create a new `Route` struct (and DB table), with the following fields:
+
+```go
+type Route struct {
+	ID          uint64 `gorm:"primary_key"`
+
+    Machine     *Machine
+    Prefix      IPPrefix
+
+    Advertised  bool
+    Enabled     bool
+    IsPrimary   bool
+
+
+    CreatedAt   *time.Time
+    UpdatedAt   *time.Time
+    DeletedAt   *time.Time
+}
+```
+
+- The `Advertised` field is set to true if the route is being advertised by the node. It is set to false if the route is removed. This way we can indicate if a later enabled route has stopped being advertised. A similar behaviour happens in the Tailscale.com control panel.
+
+- The `Enabled` field is set to true if the route is enabled - via CLI or autoApprovers.
+
+- `IsPrimary` indicates if Headscale has selected this route as the primary route for that particular subnet. This allows us to implement subnet failover. This would be fully automatic if there is more than subnet routers advertising the same network - which is the behaviour of Tailscale.com.
+
+## Stuff to bear in mind
+
+- We need to make sure to migrate the current `EnabledRoutes` of `Machine` into the new table.
+- When a node stops sharing a subnet, I reckon we should mark it both as not `Advertised` and not `Enabled`. Users should re-enable it if the node advertises it again.
+- If only one subnet router is advertising a subnet, we should mark it as primary.
+- Regarding subnet failover, the current behaviour of Tailscale.com is to perform the failover after 15 seconds from the node disconnecting from their control panel. I reckon we cannot do the same currently. Our maximum granularity is the keep alive period.

docs/remote-cli.md

@@ -24,7 +24,7 @@ To create a API key, log into your `headscale` server and generate a key:
 headscale apikeys create --expiration 90d
 ```
 
-Copy the output of the command and save it for later. Please not that you can not retrieve a key again,
+Copy the output of the command and save it for later. Please note that you can not retrieve a key again,
 if the key is lost, expire the old one, and create a new key.
 
 To list the keys currently assosicated with the server:

docs/reverse-proxy.md

@@ -0,0 +1,100 @@
+# Running headscale behind a reverse proxy
+
+Running headscale behind a reverse proxy is useful when running multiple applications on the same server, and you want to reuse the same external IP and port - usually tcp/443 for HTTPS.
+
+### WebSockets
+
+The reverse proxy MUST be configured to support WebSockets, as it is needed for clients running Tailscale v1.30+.
+
+WebSockets support is required when using the headscale embedded DERP server. In this case, you will also need to expose the UDP port used for STUN (by default, udp/3478). Please check our [config-example.yaml](https://github.com/juanfont/headscale/blob/main/config-example.yaml).
+
+### TLS
+
+Headscale can be configured not to use TLS, leaving it to the reverse proxy to handle. Add the following configuration values to your headscale config file.
+
+```yaml
+server_url: https://<YOUR_SERVER_NAME> # This should be the FQDN at which headscale will be served
+listen_addr: 0.0.0.0:8080
+metrics_listen_addr: 0.0.0.0:9090
+tls_cert_path: ""
+tls_key_path: ""
+```
+
+## nginx
+
+The following example configuration can be used in your nginx setup, substituting values as necessary. `<IP:PORT>` should be the IP address and port where headscale is running. In most cases, this will be `http://localhost:8080`.
+
+```Nginx
+map $http_upgrade $connection_upgrade {
+    default      keep-alive;
+    'websocket'  upgrade;
+    ''           close;
+}
+
+server {
+    listen 80;
+	listen [::]:80;
+
+	listen 443      ssl http2;
+	listen [::]:443 ssl http2;
+
+    server_name <YOUR_SERVER_NAME>;
+
+    ssl_certificate <PATH_TO_CERT>;
+    ssl_certificate_key <PATH_CERT_KEY>;
+    ssl_protocols TLSv1.2 TLSv1.3;
+
+    location / {
+        proxy_pass http://<IP:PORT>;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection $connection_upgrade;
+        proxy_set_header Host $server_name;
+        proxy_redirect http:// https://;
+        proxy_buffering off;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
+        add_header Strict-Transport-Security "max-age=15552000; includeSubDomains" always;
+    }
+}
+```
+
+## istio/envoy
+
+If you using [Istio](https://istio.io/) ingressgateway or [Envoy](https://www.envoyproxy.io/) as reverse proxy, there are some tips for you. If not set, you may see some debug log in proxy as below:
+
+```log
+Sending local reply with details upgrade_failed
+```
+
+### Envoy
+
+You need add a new upgrade_type named `tailscale-control-protocol`. [see detail](https://www.envoyproxy.io/docs/envoy/latest/api-v3/extensions/filters/network/http_connection_manager/v3/http_connection_manager.proto#extensions-filters-network-http-connection-manager-v3-httpconnectionmanager-upgradeconfig)
+
+### Istio
+
+Same as envoy, we can use `EnvoyFilter` to add upgrade_type.
+
+```yaml
+apiVersion: networking.istio.io/v1alpha3
+kind: EnvoyFilter
+metadata:
+  name: headscale-behind-istio-ingress
+  namespace: istio-system
+spec:
+  configPatches:
+    - applyTo: NETWORK_FILTER
+      match:
+        listener:
+          filterChain:
+            filter:
+              name: envoy.filters.network.http_connection_manager
+      patch:
+        operation: MERGE
+        value:
+          typed_config:
+            "@type": type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager
+            upgrade_configs:
+              - upgrade_type: tailscale-control-protocol
+```

docs/running-headscale-container.md

@@ -14,8 +14,8 @@ not work with alternatives like [Podman](https://podman.io). The Docker image ca
 1. Prepare a directory on the host Docker node in your directory of choice, used to hold `headscale` configuration and the [SQLite](https://www.sqlite.org/) database:
 
 ```shell
-mkdir ./headscale && cd ./headscale
-mkdir ./config
+mkdir -p ./headscale/config
+cd ./headscale
 ```
 
 2. Create an empty SQlite datebase in the headscale directory:
@@ -45,6 +45,22 @@ touch ./config/config.yaml
 ```
 
 Modify the config file to your preferences before launching Docker container.
+Here are some settings that you likely want:
+
+```yaml
+# Change to your hostname or host IP
+server_url: http://your-host-name:8080
+# Listen to 0.0.0.0 so it's accessible outside the container
+metrics_listen_addr: 0.0.0.0:9090
+# The default /var/lib/headscale path is not writable in the container
+private_key_path: /etc/headscale/private.key
+# The default /var/lib/headscale path is not writable in the container
+noise:
+  private_key_path: /etc/headscale/noise_private.key
+# The default /var/lib/headscale path is not writable  in the container
+db_type: sqlite3
+db_path: /etc/headscale/db.sqlite
+```
 
 4. Start the headscale server while working in the host headscale directory:
 
@@ -52,14 +68,16 @@ Modify the config file to your preferences before launching Docker container.
 docker run \
   --name headscale \
   --detach \
-  --rm \
   --volume $(pwd)/config:/etc/headscale/ \
   --publish 127.0.0.1:8080:8080 \
+  --publish 127.0.0.1:9090:9090 \
   headscale/headscale:<VERSION> \
   headscale serve
 
 ```
 
+Note: use `0.0.0.0:8080:8080` instead of `127.0.0.1:8080:8080` if you want to expose the container externally.
+
 This command will mount `config/` under `/etc/headscale`, forward port 8080 out of the container so the
 `headscale` instance becomes available and then detach so headscale runs in the background.
 
@@ -80,13 +98,14 @@ docker ps
 Verify `headscale` is available:
 
 ```shell
-curl http://127.0.0.1:8080/metrics
+curl http://127.0.0.1:9090/metrics
 ```
 
 6. Create a namespace ([tailnet](https://tailscale.com/kb/1136/tailnet/)):
 
 ```shell
-docker exec headscale -- headscale namespaces create myfirstnamespace
+docker exec headscale \
+  headscale namespaces create myfirstnamespace
 ```
 
 ### Register a machine (normal login)
@@ -100,7 +119,7 @@ tailscale up --login-server YOUR_HEADSCALE_URL
 To register a machine when running `headscale` in a container, take the headscale command and pass it to the container:
 
 ```shell
-docker exec headscale -- \
+docker exec headscale \
   headscale --namespace myfirstnamespace nodes register --key <YOU_+MACHINE_KEY>
 ```
 
@@ -109,7 +128,7 @@ docker exec headscale -- \
 Generate a key using the command line:
 
 ```shell
-docker exec headscale -- \
+docker exec headscale \
   headscale --namespace myfirstnamespace preauthkeys create --reusable --expiration 24h
 ```
 

docs/running-headscale-linux.md

@@ -30,6 +30,14 @@ mkdir -p /etc/headscale
 
 # Directory for Database, and other variable data (like certificates)
 mkdir -p /var/lib/headscale
+# or if you create a headscale user:
+useradd \
+	--create-home \
+	--home-dir /var/lib/headscale/ \
+	--system \
+	--user-group \
+	--shell /usr/bin/nologin \
+	headscale
 ```
 
 4. Create an empty SQLite database:
@@ -50,7 +58,7 @@ from the [headscale repository](../)
 6. Start the headscale server:
 
 ```shell
-  headscale serve
+headscale serve
 ```
 
 This command will start `headscale` in the current terminal session.
@@ -67,7 +75,7 @@ To run `headscale` in the background, please follow the steps in the [SystemD se
 Verify `headscale` is available:
 
 ```shell
-curl http://127.0.0.1:8080/metrics
+curl http://127.0.0.1:9090/metrics
 ```
 
 8. Create a namespace ([tailnet](https://tailscale.com/kb/1136/tailnet/)):
@@ -150,7 +158,7 @@ or run all headscale commands as the headscale user:
 su - headscale
 ```
 
-2. In `/etc/headscale/config.yaml`, override the default `headscale` unix socket with a SystemD friendly path:
+2. In `/etc/headscale/config.yaml`, override the default `headscale` unix socket with path that is writable by the `headscale` user or group:
 
 ```yaml
 unix_socket: /var/run/headscale/headscale.sock
@@ -165,8 +173,7 @@ systemctl daemon-reload
 4. Enable and start the new `headscale` service:
 
 ```shell
-systemctl enable headscale
-systemctl start headscale
+systemctl enable --now headscale
 ```
 
 5. Verify the headscale service:
@@ -178,7 +185,7 @@ systemctl status headscale
 Verify `headscale` is available:
 
 ```shell
-curl http://127.0.0.1:8080/metrics
+curl http://127.0.0.1:9090/metrics
 ```
 
 `headscale` will now run in the background and start at boot.

docs/running-headscale-openbsd.md

@@ -0,0 +1,206 @@
+# Running headscale on OpenBSD
+
+## Goal
+
+This documentation has the goal of showing a user how-to install and run `headscale` on OpenBSD 7.1.
+In additional to the "get up and running section", there is an optional [rc.d section](#running-headscale-in-the-background-with-rcd)
+describing how to make `headscale` run properly in a server environment.
+
+## Install `headscale`
+
+1. Install from ports (Not Recommend)
+
+   As of OpenBSD 7.1, there's a headscale in ports collection, however, it's severely outdated(v0.12.4).
+   You can install it via `pkg_add headscale`.
+
+2. Install from source on OpenBSD 7.1
+
+```shell
+# Install prerequistes
+# 1. go v1.19+: headscale newer than 0.17 needs go 1.19+ to compile
+# 2. gmake: Makefile in the headscale repo is written in GNU make syntax
+pkg_add -D snap go
+pkg_add gmake
+
+git clone https://github.com/juanfont/headscale.git
+
+cd headscale
+
+# optionally checkout a release
+# option a. you can find offical relase at https://github.com/juanfont/headscale/releases/latest
+# option b. get latest tag, this may be a beta release
+latestTag=$(git describe --tags `git rev-list --tags --max-count=1`)
+
+git checkout $latestTag
+
+gmake build
+
+# make it executable
+chmod a+x headscale
+
+# copy it to /usr/local/sbin
+cp headscale /usr/local/sbin
+```
+
+3. Install from source via cross compile
+
+```shell
+# Install prerequistes
+# 1. go v1.19+: headscale newer than 0.17 needs go 1.19+ to compile
+# 2. gmake: Makefile in the headscale repo is written in GNU make syntax
+
+git clone https://github.com/juanfont/headscale.git
+
+cd headscale
+
+# optionally checkout a release
+# option a. you can find offical relase at https://github.com/juanfont/headscale/releases/latest
+# option b. get latest tag, this may be a beta release
+latestTag=$(git describe --tags `git rev-list --tags --max-count=1`)
+
+git checkout $latestTag
+
+make build GOOS=openbsd
+
+# copy headscale to openbsd machine and put it in /usr/local/sbin
+```
+
+## Configure and run `headscale`
+
+1. Prepare a directory to hold `headscale` configuration and the [SQLite](https://www.sqlite.org/) database:
+
+```shell
+# Directory for configuration
+
+mkdir -p /etc/headscale
+
+# Directory for Database, and other variable data (like certificates)
+mkdir -p /var/lib/headscale
+```
+
+2. Create an empty SQLite database:
+
+```shell
+touch /var/lib/headscale/db.sqlite
+```
+
+3. Create a `headscale` configuration:
+
+```shell
+touch /etc/headscale/config.yaml
+```
+
+It is **strongly recommended** to copy and modify the [example configuration](../config-example.yaml)
+from the [headscale repository](../)
+
+4. Start the headscale server:
+
+```shell
+headscale serve
+```
+
+This command will start `headscale` in the current terminal session.
+
+---
+
+To continue the tutorial, open a new terminal and let it run in the background.
+Alternatively use terminal emulators like [tmux](https://github.com/tmux/tmux).
+
+To run `headscale` in the background, please follow the steps in the [rc.d section](#running-headscale-in-the-background-with-rcd) before continuing.
+
+5. Verify `headscale` is running:
+
+Verify `headscale` is available:
+
+```shell
+curl http://127.0.0.1:9090/metrics
+```
+
+6. Create a namespace ([tailnet](https://tailscale.com/kb/1136/tailnet/)):
+
+```shell
+headscale namespaces create myfirstnamespace
+```
+
+### Register a machine (normal login)
+
+On a client machine, execute the `tailscale` login command:
+
+```shell
+tailscale up --login-server YOUR_HEADSCALE_URL
+```
+
+Register the machine:
+
+```shell
+headscale --namespace myfirstnamespace nodes register --key <YOU_+MACHINE_KEY>
+```
+
+### Register machine using a pre authenticated key
+
+Generate a key using the command line:
+
+```shell
+headscale --namespace myfirstnamespace preauthkeys create --reusable --expiration 24h
+```
+
+This will return a pre-authenticated key that can be used to connect a node to `headscale` during the `tailscale` command:
+
+```shell
+tailscale up --login-server <YOUR_HEADSCALE_URL> --authkey <YOUR_AUTH_KEY>
+```
+
+## Running `headscale` in the background with rc.d
+
+This section demonstrates how to run `headscale` as a service in the background with [rc.d](https://man.openbsd.org/rc.d).
+
+1. Create a rc.d service at `/etc/rc.d/headscale` containing:
+
+```shell
+#!/bin/ksh
+
+daemon="/usr/local/sbin/headscale"
+daemon_logger="daemon.info"
+daemon_user="root"
+daemon_flags="serve"
+daemon_timeout=60
+
+. /etc/rc.d/rc.subr
+
+rc_bg=YES
+rc_reload=NO
+
+rc_cmd $1
+```
+
+2. `/etc/rc.d/headscale` needs execute permission:
+
+```shell
+chmod a+x /etc/rc.d/headscale
+```
+
+3. Start `headscale` service:
+
+```shell
+rcctl start headscale
+```
+
+4. Make `headscale` service start at boot:
+
+```shell
+rcctl enable headscale
+```
+
+5. Verify the headscale service:
+
+```shell
+rcctl check headscale
+```
+
+Verify `headscale` is available:
+
+```shell
+curl http://127.0.0.1:9090/metrics
+```
+
+`headscale` will now run in the background and start at boot.

docs/tls.md

@@ -29,17 +29,3 @@ headscale can also be configured to expose its web service via TLS. To configure
 tls_cert_path: ""
 tls_key_path: ""
 ```
-
-### Configuring Mutual TLS Authentication (mTLS)
-
-mTLS is a method by which an HTTPS server authenticates clients, e.g. Tailscale, using TLS certificates. This can be configured by applying one of the following values to the `tls_client_auth_mode` setting in the configuration file.
-
-| Value               | Behavior                                                   |
-| ------------------- | ---------------------------------------------------------- |
-| `disabled`          | Disable mTLS.                                              |
-| `relaxed` (default) | A client certificate is required, but it is not verified.  |
-| `enforced`          | Requires clients to supply a certificate that is verified. |
-
-```yaml
-tls_client_auth_mode: ""
-```

flake.lock

@@ -0,0 +1,43 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1659877975,
+        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1666869603,
+        "narHash": "sha256-3V53or4Vpu4+LrGfGSh3T2V8+qf5RP6nRuex9GywkwE=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "2001e2b31c565bcdf7bc13062b8d7cfccaca05b8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,179 @@
+{
+  description = "headscale - Open Source Tailscale Control server";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    flake-utils,
+    ...
+  }: let
+    headscaleVersion =
+      if (self ? shortRev)
+      then self.shortRev
+      else "dev";
+  in
+    {
+      overlay = _: prev: let
+        pkgs = nixpkgs.legacyPackages.${prev.system};
+      in rec {
+        headscale = pkgs.buildGo119Module rec {
+          pname = "headscale";
+          version = headscaleVersion;
+          src = pkgs.lib.cleanSource self;
+
+          tags = ["ts2019"];
+
+          # Only run unit tests when testing a build
+          checkFlags = ["-short"];
+
+          # When updating go.mod or go.sum, a new sha will need to be calculated,
+          # update this if you have a mismatch after doing a change to thos files.
+          vendorSha256 = "sha256-Cq0WipTQ+kGcvnfP0kjyvjyonl2OC9W7Tj0MCuB1lDU=";
+
+          ldflags = ["-s" "-w" "-X github.com/juanfont/headscale/cmd/headscale/cli.Version=v${version}"];
+        };
+
+        golines = pkgs.buildGoModule rec {
+          pname = "golines";
+          version = "0.11.0";
+
+          src = pkgs.fetchFromGitHub {
+            owner = "segmentio";
+            repo = "golines";
+            rev = "v${version}";
+            sha256 = "sha256-2K9KAg8iSubiTbujyFGN3yggrL+EDyeUCs9OOta/19A=";
+          };
+
+          vendorSha256 = "sha256-rxYuzn4ezAxaeDhxd8qdOzt+CKYIh03A9zKNdzILq18=";
+
+          nativeBuildInputs = [pkgs.installShellFiles];
+        };
+
+        golangci-lint = prev.golangci-lint.override {
+          # Override https://github.com/NixOS/nixpkgs/pull/166801 which changed this
+          # to buildGo118Module because it does not build on Darwin.
+          inherit (prev) buildGoModule;
+        };
+
+        # golangci-lint =
+        #   pkgs.buildGo117Module rec {
+        #     pname = "golangci-lint";
+        #     version = "1.46.2";
+        #
+        #     src = pkgs.fetchFromGitHub {
+        #       owner = "golangci";
+        #       repo = "golangci-lint";
+        #       rev = "v${version}";
+        #       sha256 = "sha256-7sDAwWz+qoB/ngeH35tsJ5FZUfAQvQsU6kU9rUHIHMk=";
+        #     };
+        #
+        #     vendorSha256 = "sha256-w38OKN6HPoz37utG/2QSPMai55IRDXCIIymeMe6ogIU=";
+        #
+        #     nativeBuildInputs = [ pkgs.installShellFiles ];
+        #   };
+
+        protoc-gen-grpc-gateway = pkgs.buildGoModule rec {
+          pname = "grpc-gateway";
+          version = "2.8.0";
+
+          src = pkgs.fetchFromGitHub {
+            owner = "grpc-ecosystem";
+            repo = "grpc-gateway";
+            rev = "v${version}";
+            sha256 = "sha256-8eBBBYJ+tBjB2fgPMX/ZlbN3eeS75e8TAZYOKXs6hcg=";
+          };
+
+          vendorSha256 = "sha256-AW2Gn/mlZyLMwF+NpK59eiOmQrYWW/9HPjbunYc9Ij4=";
+
+          nativeBuildInputs = [pkgs.installShellFiles];
+
+          subPackages = ["protoc-gen-grpc-gateway" "protoc-gen-openapiv2"];
+        };
+      };
+    }
+    // flake-utils.lib.eachDefaultSystem
+    (system: let
+      pkgs = import nixpkgs {
+        overlays = [self.overlay];
+        inherit system;
+      };
+      buildDeps = with pkgs; [git go_1_19 gnumake];
+      devDeps = with pkgs;
+        buildDeps
+        ++ [
+          golangci-lint
+          golines
+          nodePackages.prettier
+
+          # Protobuf dependencies
+          protobuf
+          protoc-gen-go
+          protoc-gen-go-grpc
+          protoc-gen-grpc-gateway
+          buf
+          clang-tools # clang-format
+        ];
+
+      # Add entry to build a docker image with headscale
+      # caveat: only works on Linux
+      #
+      # Usage:
+      # nix build .#headscale-docker
+      # docker load < result
+      headscale-docker = pkgs.dockerTools.buildLayeredImage {
+        name = "headscale";
+        tag = headscaleVersion;
+        contents = [pkgs.headscale];
+        config.Entrypoint = [(pkgs.headscale + "/bin/headscale")];
+      };
+    in rec {
+      # `nix develop`
+      devShell = pkgs.mkShell {
+        buildInputs = devDeps;
+
+        shellHook = ''
+          export GOFLAGS=-tags="ts2019"
+        '';
+      };
+
+      # `nix build`
+      packages = with pkgs; {
+        inherit headscale;
+        inherit headscale-docker;
+      };
+
+      defaultPackage = pkgs.headscale;
+
+      # `nix run`
+      apps.headscale = flake-utils.lib.mkApp {
+        drv = packages.headscale;
+      };
+      defaultApp = apps.headscale;
+
+      checks = {
+        format =
+          pkgs.runCommand "check-format"
+          {
+            buildInputs = with pkgs; [
+              gnumake
+              nixpkgs-fmt
+              golangci-lint
+              nodePackages.prettier
+              golines
+              clang-tools
+            ];
+          } ''
+            ${pkgs.nixpkgs-fmt}/bin/nixpkgs-fmt ${./.}
+            ${pkgs.golangci-lint}/bin/golangci-lint run --fix --timeout 10m
+            ${pkgs.nodePackages.prettier}/bin/prettier --write '**/**.{ts,js,md,yaml,yml,sass,css,scss,html}'
+            ${pkgs.golines}/bin/golines --max-len=88 --base-formatter=gofumpt -w ${./.}
+            ${pkgs.clang-tools}/bin/clang-format -style="{BasedOnStyle: Google, IndentWidth: 4, AlignConsecutiveDeclarations: true, AlignConsecutiveAssignments: true, ColumnLimit: 0}" -i ${./.}
+          '';
+      };
+    });
+}

gen/go/headscale/v1/apikey.pb.go

@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
+// 	protoc-gen-go v1.28.1
 // 	protoc        (unknown)
 // source: headscale/v1/apikey.proto
 

gen/go/headscale/v1/device.pb.go

@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
+// 	protoc-gen-go v1.28.1
 // 	protoc        (unknown)
 // source: headscale/v1/device.proto
 

gen/go/headscale/v1/headscale.pb.go

@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
+// 	protoc-gen-go v1.28.1
 // 	protoc        (unknown)
 // source: headscale/v1/headscale.proto
 
@@ -36,7 +36,7 @@ var file_headscale_v1_headscale_proto_rawDesc = []byte{
 	0x6f, 0x74, 0x6f, 0x1a, 0x19, 0x68, 0x65, 0x61, 0x64, 0x73, 0x63, 0x61, 0x6c, 0x65, 0x2f, 0x76,
 	0x31, 0x2f, 0x72, 0x6f, 0x75, 0x74, 0x65, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x19,
 	0x68, 0x65, 0x61, 0x64, 0x73, 0x63, 0x61, 0x6c, 0x65, 0x2f, 0x76, 0x31, 0x2f, 0x61, 0x70, 0x69,
-	0x6b, 0x65, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x32, 0xa3, 0x13, 0x0a, 0x10, 0x48, 0x65,
+	0x6b, 0x65, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x32, 0xb1, 0x16, 0x0a, 0x10, 0x48, 0x65,
 	0x61, 0x64, 0x73, 0x63, 0x61, 0x6c, 0x65, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x12, 0x77,
 	0x0a, 0x0c, 0x47, 0x65, 0x74, 0x4e, 0x61, 0x6d, 0x65, 0x73, 0x70, 0x61, 0x63, 0x65, 0x12, 0x21,
 	0x2e, 0x68, 0x65, 0x61, 0x64, 0x73, 0x63, 0x61, 0x6c, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x47, 0x65,
@@ -119,82 +119,106 @@ var file_headscale_v1_headscale_proto_rawDesc = []byte{
 	0x4d, 0x61, 0x63, 0x68, 0x69, 0x6e, 0x65, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22,
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-	0x65, 0x72, 0x4d, 0x61, 0x63, 0x68, 0x69, 0x6e, 0x65, 0x12, 0x24, 0x2e, 0x68, 0x65, 0x61, 0x64,
-	0x73, 0x63, 0x61, 0x6c, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x52, 0x65, 0x67, 0x69, 0x73, 0x74, 0x65,
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+	0x53, 0x65, 0x74, 0x54, 0x61, 0x67, 0x73, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x1d,
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+	0x74, 0x54, 0x61, 0x67, 0x73, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x2c, 0x82,
+	0xd3, 0xe4, 0x93, 0x02, 0x26, 0x22, 0x21, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x76, 0x31, 0x2f, 0x6d,
+	0x61, 0x63, 0x68, 0x69, 0x6e, 0x65, 0x2f, 0x7b, 0x6d, 0x61, 0x63, 0x68, 0x69, 0x6e, 0x65, 0x5f,
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 }
 
 var file_headscale_v1_headscale_proto_goTypes = []interface{}{
@@ -208,34 +232,40 @@ var file_headscale_v1_headscale_proto_goTypes = []interface{}{
 	(*ListPreAuthKeysRequest)(nil),      // 7: headscale.v1.ListPreAuthKeysRequest
 	(*DebugCreateMachineRequest)(nil),   // 8: headscale.v1.DebugCreateMachineRequest
 	(*GetMachineRequest)(nil),           // 9: headscale.v1.GetMachineRequest
-	(*RegisterMachineRequest)(nil),      // 10: headscale.v1.RegisterMachineRequest
-	(*DeleteMachineRequest)(nil),        // 11: headscale.v1.DeleteMachineRequest
-	(*ExpireMachineRequest)(nil),        // 12: headscale.v1.ExpireMachineRequest
-	(*ListMachinesRequest)(nil),         // 13: headscale.v1.ListMachinesRequest
-	(*GetMachineRouteRequest)(nil),      // 14: headscale.v1.GetMachineRouteRequest
-	(*EnableMachineRoutesRequest)(nil),  // 15: headscale.v1.EnableMachineRoutesRequest
-	(*CreateApiKeyRequest)(nil),         // 16: headscale.v1.CreateApiKeyRequest
-	(*ExpireApiKeyRequest)(nil),         // 17: headscale.v1.ExpireApiKeyRequest
-	(*ListApiKeysRequest)(nil),          // 18: headscale.v1.ListApiKeysRequest
-	(*GetNamespaceResponse)(nil),        // 19: headscale.v1.GetNamespaceResponse
-	(*CreateNamespaceResponse)(nil),     // 20: headscale.v1.CreateNamespaceResponse
-	(*RenameNamespaceResponse)(nil),     // 21: headscale.v1.RenameNamespaceResponse
-	(*DeleteNamespaceResponse)(nil),     // 22: headscale.v1.DeleteNamespaceResponse
-	(*ListNamespacesResponse)(nil),      // 23: headscale.v1.ListNamespacesResponse
-	(*CreatePreAuthKeyResponse)(nil),    // 24: headscale.v1.CreatePreAuthKeyResponse
-	(*ExpirePreAuthKeyResponse)(nil),    // 25: headscale.v1.ExpirePreAuthKeyResponse
-	(*ListPreAuthKeysResponse)(nil),     // 26: headscale.v1.ListPreAuthKeysResponse
-	(*DebugCreateMachineResponse)(nil),  // 27: headscale.v1.DebugCreateMachineResponse
-	(*GetMachineResponse)(nil),          // 28: headscale.v1.GetMachineResponse
-	(*RegisterMachineResponse)(nil),     // 29: headscale.v1.RegisterMachineResponse
-	(*DeleteMachineResponse)(nil),       // 30: headscale.v1.DeleteMachineResponse
-	(*ExpireMachineResponse)(nil),       // 31: headscale.v1.ExpireMachineResponse
-	(*ListMachinesResponse)(nil),        // 32: headscale.v1.ListMachinesResponse
-	(*GetMachineRouteResponse)(nil),     // 33: headscale.v1.GetMachineRouteResponse
-	(*EnableMachineRoutesResponse)(nil), // 34: headscale.v1.EnableMachineRoutesResponse
-	(*CreateApiKeyResponse)(nil),        // 35: headscale.v1.CreateApiKeyResponse
-	(*ExpireApiKeyResponse)(nil),        // 36: headscale.v1.ExpireApiKeyResponse
-	(*ListApiKeysResponse)(nil),         // 37: headscale.v1.ListApiKeysResponse
+	(*SetTagsRequest)(nil),              // 10: headscale.v1.SetTagsRequest
+	(*RegisterMachineRequest)(nil),      // 11: headscale.v1.RegisterMachineRequest
+	(*DeleteMachineRequest)(nil),        // 12: headscale.v1.DeleteMachineRequest
+	(*ExpireMachineRequest)(nil),        // 13: headscale.v1.ExpireMachineRequest
+	(*RenameMachineRequest)(nil),        // 14: headscale.v1.RenameMachineRequest
+	(*ListMachinesRequest)(nil),         // 15: headscale.v1.ListMachinesRequest
+	(*MoveMachineRequest)(nil),          // 16: headscale.v1.MoveMachineRequest
+	(*GetMachineRouteRequest)(nil),      // 17: headscale.v1.GetMachineRouteRequest
+	(*EnableMachineRoutesRequest)(nil),  // 18: headscale.v1.EnableMachineRoutesRequest
+	(*CreateApiKeyRequest)(nil),         // 19: headscale.v1.CreateApiKeyRequest
+	(*ExpireApiKeyRequest)(nil),         // 20: headscale.v1.ExpireApiKeyRequest
+	(*ListApiKeysRequest)(nil),          // 21: headscale.v1.ListApiKeysRequest
+	(*GetNamespaceResponse)(nil),        // 22: headscale.v1.GetNamespaceResponse
+	(*CreateNamespaceResponse)(nil),     // 23: headscale.v1.CreateNamespaceResponse
+	(*RenameNamespaceResponse)(nil),     // 24: headscale.v1.RenameNamespaceResponse
+	(*DeleteNamespaceResponse)(nil),     // 25: headscale.v1.DeleteNamespaceResponse
+	(*ListNamespacesResponse)(nil),      // 26: headscale.v1.ListNamespacesResponse
+	(*CreatePreAuthKeyResponse)(nil),    // 27: headscale.v1.CreatePreAuthKeyResponse
+	(*ExpirePreAuthKeyResponse)(nil),    // 28: headscale.v1.ExpirePreAuthKeyResponse
+	(*ListPreAuthKeysResponse)(nil),     // 29: headscale.v1.ListPreAuthKeysResponse
+	(*DebugCreateMachineResponse)(nil),  // 30: headscale.v1.DebugCreateMachineResponse
+	(*GetMachineResponse)(nil),          // 31: headscale.v1.GetMachineResponse
+	(*SetTagsResponse)(nil),             // 32: headscale.v1.SetTagsResponse
+	(*RegisterMachineResponse)(nil),     // 33: headscale.v1.RegisterMachineResponse
+	(*DeleteMachineResponse)(nil),       // 34: headscale.v1.DeleteMachineResponse
+	(*ExpireMachineResponse)(nil),       // 35: headscale.v1.ExpireMachineResponse
+	(*RenameMachineResponse)(nil),       // 36: headscale.v1.RenameMachineResponse
+	(*ListMachinesResponse)(nil),        // 37: headscale.v1.ListMachinesResponse
+	(*MoveMachineResponse)(nil),         // 38: headscale.v1.MoveMachineResponse
+	(*GetMachineRouteResponse)(nil),     // 39: headscale.v1.GetMachineRouteResponse
+	(*EnableMachineRoutesResponse)(nil), // 40: headscale.v1.EnableMachineRoutesResponse
+	(*CreateApiKeyResponse)(nil),        // 41: headscale.v1.CreateApiKeyResponse
+	(*ExpireApiKeyResponse)(nil),        // 42: headscale.v1.ExpireApiKeyResponse
+	(*ListApiKeysResponse)(nil),         // 43: headscale.v1.ListApiKeysResponse
 }
 var file_headscale_v1_headscale_proto_depIdxs = []int32{
 	0,  // 0: headscale.v1.HeadscaleService.GetNamespace:input_type -> headscale.v1.GetNamespaceRequest
@@ -248,36 +278,42 @@ var file_headscale_v1_headscale_proto_depIdxs = []int32{
 	7,  // 7: headscale.v1.HeadscaleService.ListPreAuthKeys:input_type -> headscale.v1.ListPreAuthKeysRequest
 	8,  // 8: headscale.v1.HeadscaleService.DebugCreateMachine:input_type -> headscale.v1.DebugCreateMachineRequest
 	9,  // 9: headscale.v1.HeadscaleService.GetMachine:input_type -> headscale.v1.GetMachineRequest
-	10, // 10: headscale.v1.HeadscaleService.RegisterMachine:input_type -> headscale.v1.RegisterMachineRequest
-	11, // 11: headscale.v1.HeadscaleService.DeleteMachine:input_type -> headscale.v1.DeleteMachineRequest
-	12, // 12: headscale.v1.HeadscaleService.ExpireMachine:input_type -> headscale.v1.ExpireMachineRequest
-	13, // 13: headscale.v1.HeadscaleService.ListMachines:input_type -> headscale.v1.ListMachinesRequest
-	14, // 14: headscale.v1.HeadscaleService.GetMachineRoute:input_type -> headscale.v1.GetMachineRouteRequest
-	15, // 15: headscale.v1.HeadscaleService.EnableMachineRoutes:input_type -> headscale.v1.EnableMachineRoutesRequest
-	16, // 16: headscale.v1.HeadscaleService.CreateApiKey:input_type -> headscale.v1.CreateApiKeyRequest
-	17, // 17: headscale.v1.HeadscaleService.ExpireApiKey:input_type -> headscale.v1.ExpireApiKeyRequest
-	18, // 18: headscale.v1.HeadscaleService.ListApiKeys:input_type -> headscale.v1.ListApiKeysRequest
-	19, // 19: headscale.v1.HeadscaleService.GetNamespace:output_type -> headscale.v1.GetNamespaceResponse
-	20, // 20: headscale.v1.HeadscaleService.CreateNamespace:output_type -> headscale.v1.CreateNamespaceResponse
-	21, // 21: headscale.v1.HeadscaleService.RenameNamespace:output_type -> headscale.v1.RenameNamespaceResponse
-	22, // 22: headscale.v1.HeadscaleService.DeleteNamespace:output_type -> headscale.v1.DeleteNamespaceResponse
-	23, // 23: headscale.v1.HeadscaleService.ListNamespaces:output_type -> headscale.v1.ListNamespacesResponse
-	24, // 24: headscale.v1.HeadscaleService.CreatePreAuthKey:output_type -> headscale.v1.CreatePreAuthKeyResponse
-	25, // 25: headscale.v1.HeadscaleService.ExpirePreAuthKey:output_type -> headscale.v1.ExpirePreAuthKeyResponse
-	26, // 26: headscale.v1.HeadscaleService.ListPreAuthKeys:output_type -> headscale.v1.ListPreAuthKeysResponse
-	27, // 27: headscale.v1.HeadscaleService.DebugCreateMachine:output_type -> headscale.v1.DebugCreateMachineResponse
-	28, // 28: headscale.v1.HeadscaleService.GetMachine:output_type -> headscale.v1.GetMachineResponse
-	29, // 29: headscale.v1.HeadscaleService.RegisterMachine:output_type -> headscale.v1.RegisterMachineResponse
-	30, // 30: headscale.v1.HeadscaleService.DeleteMachine:output_type -> headscale.v1.DeleteMachineResponse
-	31, // 31: headscale.v1.HeadscaleService.ExpireMachine:output_type -> headscale.v1.ExpireMachineResponse
-	32, // 32: headscale.v1.HeadscaleService.ListMachines:output_type -> headscale.v1.ListMachinesResponse
-	33, // 33: headscale.v1.HeadscaleService.GetMachineRoute:output_type -> headscale.v1.GetMachineRouteResponse
-	34, // 34: headscale.v1.HeadscaleService.EnableMachineRoutes:output_type -> headscale.v1.EnableMachineRoutesResponse
-	35, // 35: headscale.v1.HeadscaleService.CreateApiKey:output_type -> headscale.v1.CreateApiKeyResponse
-	36, // 36: headscale.v1.HeadscaleService.ExpireApiKey:output_type -> headscale.v1.ExpireApiKeyResponse
-	37, // 37: headscale.v1.HeadscaleService.ListApiKeys:output_type -> headscale.v1.ListApiKeysResponse
-	19, // [19:38] is the sub-list for method output_type
-	0,  // [0:19] is the sub-list for method input_type
+	10, // 10: headscale.v1.HeadscaleService.SetTags:input_type -> headscale.v1.SetTagsRequest
+	11, // 11: headscale.v1.HeadscaleService.RegisterMachine:input_type -> headscale.v1.RegisterMachineRequest
+	12, // 12: headscale.v1.HeadscaleService.DeleteMachine:input_type -> headscale.v1.DeleteMachineRequest
+	13, // 13: headscale.v1.HeadscaleService.ExpireMachine:input_type -> headscale.v1.ExpireMachineRequest
+	14, // 14: headscale.v1.HeadscaleService.RenameMachine:input_type -> headscale.v1.RenameMachineRequest
+	15, // 15: headscale.v1.HeadscaleService.ListMachines:input_type -> headscale.v1.ListMachinesRequest
+	16, // 16: headscale.v1.HeadscaleService.MoveMachine:input_type -> headscale.v1.MoveMachineRequest
+	17, // 17: headscale.v1.HeadscaleService.GetMachineRoute:input_type -> headscale.v1.GetMachineRouteRequest
+	18, // 18: headscale.v1.HeadscaleService.EnableMachineRoutes:input_type -> headscale.v1.EnableMachineRoutesRequest
+	19, // 19: headscale.v1.HeadscaleService.CreateApiKey:input_type -> headscale.v1.CreateApiKeyRequest
+	20, // 20: headscale.v1.HeadscaleService.ExpireApiKey:input_type -> headscale.v1.ExpireApiKeyRequest
+	21, // 21: headscale.v1.HeadscaleService.ListApiKeys:input_type -> headscale.v1.ListApiKeysRequest
+	22, // 22: headscale.v1.HeadscaleService.GetNamespace:output_type -> headscale.v1.GetNamespaceResponse
+	23, // 23: headscale.v1.HeadscaleService.CreateNamespace:output_type -> headscale.v1.CreateNamespaceResponse
+	24, // 24: headscale.v1.HeadscaleService.RenameNamespace:output_type -> headscale.v1.RenameNamespaceResponse
+	25, // 25: headscale.v1.HeadscaleService.DeleteNamespace:output_type -> headscale.v1.DeleteNamespaceResponse
+	26, // 26: headscale.v1.HeadscaleService.ListNamespaces:output_type -> headscale.v1.ListNamespacesResponse
+	27, // 27: headscale.v1.HeadscaleService.CreatePreAuthKey:output_type -> headscale.v1.CreatePreAuthKeyResponse
+	28, // 28: headscale.v1.HeadscaleService.ExpirePreAuthKey:output_type -> headscale.v1.ExpirePreAuthKeyResponse
+	29, // 29: headscale.v1.HeadscaleService.ListPreAuthKeys:output_type -> headscale.v1.ListPreAuthKeysResponse
+	30, // 30: headscale.v1.HeadscaleService.DebugCreateMachine:output_type -> headscale.v1.DebugCreateMachineResponse
+	31, // 31: headscale.v1.HeadscaleService.GetMachine:output_type -> headscale.v1.GetMachineResponse
+	32, // 32: headscale.v1.HeadscaleService.SetTags:output_type -> headscale.v1.SetTagsResponse
+	33, // 33: headscale.v1.HeadscaleService.RegisterMachine:output_type -> headscale.v1.RegisterMachineResponse
+	34, // 34: headscale.v1.HeadscaleService.DeleteMachine:output_type -> headscale.v1.DeleteMachineResponse
+	35, // 35: headscale.v1.HeadscaleService.ExpireMachine:output_type -> headscale.v1.ExpireMachineResponse
+	36, // 36: headscale.v1.HeadscaleService.RenameMachine:output_type -> headscale.v1.RenameMachineResponse
+	37, // 37: headscale.v1.HeadscaleService.ListMachines:output_type -> headscale.v1.ListMachinesResponse
+	38, // 38: headscale.v1.HeadscaleService.MoveMachine:output_type -> headscale.v1.MoveMachineResponse
+	39, // 39: headscale.v1.HeadscaleService.GetMachineRoute:output_type -> headscale.v1.GetMachineRouteResponse
+	40, // 40: headscale.v1.HeadscaleService.EnableMachineRoutes:output_type -> headscale.v1.EnableMachineRoutesResponse
+	41, // 41: headscale.v1.HeadscaleService.CreateApiKey:output_type -> headscale.v1.CreateApiKeyResponse
+	42, // 42: headscale.v1.HeadscaleService.ExpireApiKey:output_type -> headscale.v1.ExpireApiKeyResponse
+	43, // 43: headscale.v1.HeadscaleService.ListApiKeys:output_type -> headscale.v1.ListApiKeysResponse
+	22, // [22:44] is the sub-list for method output_type
+	0,  // [0:22] is the sub-list for method input_type
 	0,  // [0:0] is the sub-list for extension type_name
 	0,  // [0:0] is the sub-list for extension extendee
 	0,  // [0:0] is the sub-list for field type_name

gen/go/headscale/v1/headscale_grpc.pb.go

@@ -35,10 +35,13 @@ type HeadscaleServiceClient interface {
 	// --- Machine start ---
 	DebugCreateMachine(ctx context.Context, in *DebugCreateMachineRequest, opts ...grpc.CallOption) (*DebugCreateMachineResponse, error)
 	GetMachine(ctx context.Context, in *GetMachineRequest, opts ...grpc.CallOption) (*GetMachineResponse, error)
+	SetTags(ctx context.Context, in *SetTagsRequest, opts ...grpc.CallOption) (*SetTagsResponse, error)
 	RegisterMachine(ctx context.Context, in *RegisterMachineRequest, opts ...grpc.CallOption) (*RegisterMachineResponse, error)
 	DeleteMachine(ctx context.Context, in *DeleteMachineRequest, opts ...grpc.CallOption) (*DeleteMachineResponse, error)
 	ExpireMachine(ctx context.Context, in *ExpireMachineRequest, opts ...grpc.CallOption) (*ExpireMachineResponse, error)
+	RenameMachine(ctx context.Context, in *RenameMachineRequest, opts ...grpc.CallOption) (*RenameMachineResponse, error)
 	ListMachines(ctx context.Context, in *ListMachinesRequest, opts ...grpc.CallOption) (*ListMachinesResponse, error)
+	MoveMachine(ctx context.Context, in *MoveMachineRequest, opts ...grpc.CallOption) (*MoveMachineResponse, error)
 	// --- Route start ---
 	GetMachineRoute(ctx context.Context, in *GetMachineRouteRequest, opts ...grpc.CallOption) (*GetMachineRouteResponse, error)
 	EnableMachineRoutes(ctx context.Context, in *EnableMachineRoutesRequest, opts ...grpc.CallOption) (*EnableMachineRoutesResponse, error)
@@ -146,6 +149,15 @@ func (c *headscaleServiceClient) GetMachine(ctx context.Context, in *GetMachineR
 	return out, nil
 }
 
+func (c *headscaleServiceClient) SetTags(ctx context.Context, in *SetTagsRequest, opts ...grpc.CallOption) (*SetTagsResponse, error) {
+	out := new(SetTagsResponse)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/SetTags", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *headscaleServiceClient) RegisterMachine(ctx context.Context, in *RegisterMachineRequest, opts ...grpc.CallOption) (*RegisterMachineResponse, error) {
 	out := new(RegisterMachineResponse)
 	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/RegisterMachine", in, out, opts...)
@@ -173,6 +185,15 @@ func (c *headscaleServiceClient) ExpireMachine(ctx context.Context, in *ExpireMa
 	return out, nil
 }
 
+func (c *headscaleServiceClient) RenameMachine(ctx context.Context, in *RenameMachineRequest, opts ...grpc.CallOption) (*RenameMachineResponse, error) {
+	out := new(RenameMachineResponse)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/RenameMachine", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *headscaleServiceClient) ListMachines(ctx context.Context, in *ListMachinesRequest, opts ...grpc.CallOption) (*ListMachinesResponse, error) {
 	out := new(ListMachinesResponse)
 	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/ListMachines", in, out, opts...)
@@ -182,6 +203,15 @@ func (c *headscaleServiceClient) ListMachines(ctx context.Context, in *ListMachi
 	return out, nil
 }
 
+func (c *headscaleServiceClient) MoveMachine(ctx context.Context, in *MoveMachineRequest, opts ...grpc.CallOption) (*MoveMachineResponse, error) {
+	out := new(MoveMachineResponse)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/MoveMachine", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *headscaleServiceClient) GetMachineRoute(ctx context.Context, in *GetMachineRouteRequest, opts ...grpc.CallOption) (*GetMachineRouteResponse, error) {
 	out := new(GetMachineRouteResponse)
 	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/GetMachineRoute", in, out, opts...)
@@ -244,10 +274,13 @@ type HeadscaleServiceServer interface {
 	// --- Machine start ---
 	DebugCreateMachine(context.Context, *DebugCreateMachineRequest) (*DebugCreateMachineResponse, error)
 	GetMachine(context.Context, *GetMachineRequest) (*GetMachineResponse, error)
+	SetTags(context.Context, *SetTagsRequest) (*SetTagsResponse, error)
 	RegisterMachine(context.Context, *RegisterMachineRequest) (*RegisterMachineResponse, error)
 	DeleteMachine(context.Context, *DeleteMachineRequest) (*DeleteMachineResponse, error)
 	ExpireMachine(context.Context, *ExpireMachineRequest) (*ExpireMachineResponse, error)
+	RenameMachine(context.Context, *RenameMachineRequest) (*RenameMachineResponse, error)
 	ListMachines(context.Context, *ListMachinesRequest) (*ListMachinesResponse, error)
+	MoveMachine(context.Context, *MoveMachineRequest) (*MoveMachineResponse, error)
 	// --- Route start ---
 	GetMachineRoute(context.Context, *GetMachineRouteRequest) (*GetMachineRouteResponse, error)
 	EnableMachineRoutes(context.Context, *EnableMachineRoutesRequest) (*EnableMachineRoutesResponse, error)
@@ -292,6 +325,9 @@ func (UnimplementedHeadscaleServiceServer) DebugCreateMachine(context.Context, *
 func (UnimplementedHeadscaleServiceServer) GetMachine(context.Context, *GetMachineRequest) (*GetMachineResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetMachine not implemented")
 }
+func (UnimplementedHeadscaleServiceServer) SetTags(context.Context, *SetTagsRequest) (*SetTagsResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method SetTags not implemented")
+}
 func (UnimplementedHeadscaleServiceServer) RegisterMachine(context.Context, *RegisterMachineRequest) (*RegisterMachineResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method RegisterMachine not implemented")
 }
@@ -301,9 +337,15 @@ func (UnimplementedHeadscaleServiceServer) DeleteMachine(context.Context, *Delet
 func (UnimplementedHeadscaleServiceServer) ExpireMachine(context.Context, *ExpireMachineRequest) (*ExpireMachineResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method ExpireMachine not implemented")
 }
+func (UnimplementedHeadscaleServiceServer) RenameMachine(context.Context, *RenameMachineRequest) (*RenameMachineResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method RenameMachine not implemented")
+}
 func (UnimplementedHeadscaleServiceServer) ListMachines(context.Context, *ListMachinesRequest) (*ListMachinesResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method ListMachines not implemented")
 }
+func (UnimplementedHeadscaleServiceServer) MoveMachine(context.Context, *MoveMachineRequest) (*MoveMachineResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method MoveMachine not implemented")
+}
 func (UnimplementedHeadscaleServiceServer) GetMachineRoute(context.Context, *GetMachineRouteRequest) (*GetMachineRouteResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetMachineRoute not implemented")
 }
@@ -512,6 +554,24 @@ func _HeadscaleService_GetMachine_Handler(srv interface{}, ctx context.Context,
 	return interceptor(ctx, in, info, handler)
 }
 
+func _HeadscaleService_SetTags_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(SetTagsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(HeadscaleServiceServer).SetTags(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/headscale.v1.HeadscaleService/SetTags",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(HeadscaleServiceServer).SetTags(ctx, req.(*SetTagsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _HeadscaleService_RegisterMachine_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(RegisterMachineRequest)
 	if err := dec(in); err != nil {
@@ -566,6 +626,24 @@ func _HeadscaleService_ExpireMachine_Handler(srv interface{}, ctx context.Contex
 	return interceptor(ctx, in, info, handler)
 }
 
+func _HeadscaleService_RenameMachine_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(RenameMachineRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(HeadscaleServiceServer).RenameMachine(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/headscale.v1.HeadscaleService/RenameMachine",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(HeadscaleServiceServer).RenameMachine(ctx, req.(*RenameMachineRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _HeadscaleService_ListMachines_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(ListMachinesRequest)
 	if err := dec(in); err != nil {
@@ -584,6 +662,24 @@ func _HeadscaleService_ListMachines_Handler(srv interface{}, ctx context.Context
 	return interceptor(ctx, in, info, handler)
 }
 
+func _HeadscaleService_MoveMachine_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(MoveMachineRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(HeadscaleServiceServer).MoveMachine(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/headscale.v1.HeadscaleService/MoveMachine",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(HeadscaleServiceServer).MoveMachine(ctx, req.(*MoveMachineRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _HeadscaleService_GetMachineRoute_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(GetMachineRouteRequest)
 	if err := dec(in); err != nil {
@@ -721,6 +817,10 @@ var HeadscaleService_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "GetMachine",
 			Handler:    _HeadscaleService_GetMachine_Handler,
 		},
+		{
+			MethodName: "SetTags",
+			Handler:    _HeadscaleService_SetTags_Handler,
+		},
 		{
 			MethodName: "RegisterMachine",
 			Handler:    _HeadscaleService_RegisterMachine_Handler,
@@ -733,10 +833,18 @@ var HeadscaleService_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "ExpireMachine",
 			Handler:    _HeadscaleService_ExpireMachine_Handler,
 		},
+		{
+			MethodName: "RenameMachine",
+			Handler:    _HeadscaleService_RenameMachine_Handler,
+		},
 		{
 			MethodName: "ListMachines",
 			Handler:    _HeadscaleService_ListMachines_Handler,
 		},
+		{
+			MethodName: "MoveMachine",
+			Handler:    _HeadscaleService_MoveMachine_Handler,
+		},
 		{
 			MethodName: "GetMachineRoute",
 			Handler:    _HeadscaleService_GetMachineRoute_Handler,

gen/go/headscale/v1/machine.pb.go

@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
+// 	protoc-gen-go v1.28.1
 // 	protoc        (unknown)
 // source: headscale/v1/machine.proto
 
@@ -91,6 +91,10 @@ type Machine struct {
 	PreAuthKey           *PreAuthKey            `protobuf:"bytes,11,opt,name=pre_auth_key,json=preAuthKey,proto3" json:"pre_auth_key,omitempty"`
 	CreatedAt            *timestamppb.Timestamp `protobuf:"bytes,12,opt,name=created_at,json=createdAt,proto3" json:"created_at,omitempty"`
 	RegisterMethod       RegisterMethod         `protobuf:"varint,13,opt,name=register_method,json=registerMethod,proto3,enum=headscale.v1.RegisterMethod" json:"register_method,omitempty"`
+	ForcedTags           []string               `protobuf:"bytes,18,rep,name=forced_tags,json=forcedTags,proto3" json:"forced_tags,omitempty"`
+	InvalidTags          []string               `protobuf:"bytes,19,rep,name=invalid_tags,json=invalidTags,proto3" json:"invalid_tags,omitempty"`
+	ValidTags            []string               `protobuf:"bytes,20,rep,name=valid_tags,json=validTags,proto3" json:"valid_tags,omitempty"`
+	GivenName            string                 `protobuf:"bytes,21,opt,name=given_name,json=givenName,proto3" json:"given_name,omitempty"`
 }
 
 func (x *Machine) Reset() {
@@ -216,6 +220,34 @@ func (x *Machine) GetRegisterMethod() RegisterMethod {
 	return RegisterMethod_REGISTER_METHOD_UNSPECIFIED
 }
 
+func (x *Machine) GetForcedTags() []string {
+	if x != nil {
+		return x.ForcedTags
+	}
+	return nil
+}
+
+func (x *Machine) GetInvalidTags() []string {
+	if x != nil {
+		return x.InvalidTags
+	}
+	return nil
+}
+
+func (x *Machine) GetValidTags() []string {
+	if x != nil {
+		return x.ValidTags
+	}
+	return nil
+}
+
+func (x *Machine) GetGivenName() string {
+	if x != nil {
+		return x.GivenName
+	}
+	return ""
+}
+
 type RegisterMachineRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -412,6 +444,108 @@ func (x *GetMachineResponse) GetMachine() *Machine {
 	return nil
 }
 
+type SetTagsRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	MachineId uint64   `protobuf:"varint,1,opt,name=machine_id,json=machineId,proto3" json:"machine_id,omitempty"`
+	Tags      []string `protobuf:"bytes,2,rep,name=tags,proto3" json:"tags,omitempty"`
+}
+
+func (x *SetTagsRequest) Reset() {
+	*x = SetTagsRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_headscale_v1_machine_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SetTagsRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SetTagsRequest) ProtoMessage() {}
+
+func (x *SetTagsRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_headscale_v1_machine_proto_msgTypes[5]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use SetTagsRequest.ProtoReflect.Descriptor instead.
+func (*SetTagsRequest) Descriptor() ([]byte, []int) {
+	return file_headscale_v1_machine_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *SetTagsRequest) GetMachineId() uint64 {
+	if x != nil {
+		return x.MachineId
+	}
+	return 0
+}
+
+func (x *SetTagsRequest) GetTags() []string {
+	if x != nil {
+		return x.Tags
+	}
+	return nil
+}
+
+type SetTagsResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Machine *Machine `protobuf:"bytes,1,opt,name=machine,proto3" json:"machine,omitempty"`
+}
+
+func (x *SetTagsResponse) Reset() {
+	*x = SetTagsResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_headscale_v1_machine_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SetTagsResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SetTagsResponse) ProtoMessage() {}
+
+func (x *SetTagsResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_headscale_v1_machine_proto_msgTypes[6]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use SetTagsResponse.ProtoReflect.Descriptor instead.
+func (*SetTagsResponse) Descriptor() ([]byte, []int) {
+	return file_headscale_v1_machine_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *SetTagsResponse) GetMachine() *Machine {
+	if x != nil {
+		return x.Machine
+	}
+	return nil
+}
+
 type DeleteMachineRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -423,7 +557,7 @@ type DeleteMachineRequest struct {
 func (x *DeleteMachineRequest) Reset() {
 	*x = DeleteMachineRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_headscale_v1_machine_proto_msgTypes[5]
+		mi := &file_headscale_v1_machine_proto_msgTypes[7]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -436,7 +570,7 @@ func (x *DeleteMachineRequest) String() string {
 func (*DeleteMachineRequest) ProtoMessage() {}
 
 func (x *DeleteMachineRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_headscale_v1_machine_proto_msgTypes[5]
+	mi := &file_headscale_v1_machine_proto_msgTypes[7]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -449,7 +583,7 @@ func (x *DeleteMachineRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DeleteMachineRequest.ProtoReflect.Descriptor instead.
 func (*DeleteMachineRequest) Descriptor() ([]byte, []int) {
-	return file_headscale_v1_machine_proto_rawDescGZIP(), []int{5}
+	return file_headscale_v1_machine_proto_rawDescGZIP(), []int{7}
 }
 
 func (x *DeleteMachineRequest) GetMachineId() uint64 {
@@ -468,7 +602,7 @@ type DeleteMachineResponse struct {
 func (x *DeleteMachineResponse) Reset() {
 	*x = DeleteMachineResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_headscale_v1_machine_proto_msgTypes[6]
+		mi := &file_headscale_v1_machine_proto_msgTypes[8]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -481,7 +615,7 @@ func (x *DeleteMachineResponse) String() string {
 func (*DeleteMachineResponse) ProtoMessage() {}
 
 func (x *DeleteMachineResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_headscale_v1_machine_proto_msgTypes[6]
+	mi := &file_headscale_v1_machine_proto_msgTypes[8]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -494,7 +628,7 @@ func (x *DeleteMachineResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DeleteMachineResponse.ProtoReflect.Descriptor instead.
 func (*DeleteMachineResponse) Descriptor() ([]byte, []int) {
-	return file_headscale_v1_machine_proto_rawDescGZIP(), []int{6}
+	return file_headscale_v1_machine_proto_rawDescGZIP(), []int{8}
 }
 
 type ExpireMachineRequest struct {
@@ -508,7 +642,7 @@ type ExpireMachineRequest struct {
 func (x *ExpireMachineRequest) Reset() {
 	*x = ExpireMachineRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_headscale_v1_machine_proto_msgTypes[7]
+		mi := &file_headscale_v1_machine_proto_msgTypes[9]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -521,7 +655,7 @@ func (x *ExpireMachineRequest) String() string {
 func (*ExpireMachineRequest) ProtoMessage() {}
 
 func (x *ExpireMachineRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_headscale_v1_machine_proto_msgTypes[7]
+	mi := &file_headscale_v1_machine_proto_msgTypes[9]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -534,7 +668,7 @@ func (x *ExpireMachineRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ExpireMachineRequest.ProtoReflect.Descriptor instead.
 func (*ExpireMachineRequest) Descriptor() ([]byte, []int) {
-	return file_headscale_v1_machine_proto_rawDescGZIP(), []int{7}
+	return file_headscale_v1_machine_proto_rawDescGZIP(), []int{9}
 }
 
 func (x *ExpireMachineRequest) GetMachineId() uint64 {
@@ -555,7 +689,7 @@ type ExpireMachineResponse struct {
 func (x *ExpireMachineResponse) Reset() {
 	*x = ExpireMachineResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_headscale_v1_machine_proto_msgTypes[8]
+		mi := &file_headscale_v1_machine_proto_msgTypes[10]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -568,7 +702,7 @@ func (x *ExpireMachineResponse) String() string {
 func (*ExpireMachineResponse) ProtoMessage() {}
 
 func (x *ExpireMachineResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_headscale_v1_machine_proto_msgTypes[8]
+	mi := &file_headscale_v1_machine_proto_msgTypes[10]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -581,7 +715,7 @@ func (x *ExpireMachineResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ExpireMachineResponse.ProtoReflect.Descriptor instead.
 func (*ExpireMachineResponse) Descriptor() ([]byte, []int) {
-	return file_headscale_v1_machine_proto_rawDescGZIP(), []int{8}
+	return file_headscale_v1_machine_proto_rawDescGZIP(), []int{10}
 }
 
 func (x *ExpireMachineResponse) GetMachine() *Machine {
@@ -591,6 +725,108 @@ func (x *ExpireMachineResponse) GetMachine() *Machine {
 	return nil
 }
 
+type RenameMachineRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	MachineId uint64 `protobuf:"varint,1,opt,name=machine_id,json=machineId,proto3" json:"machine_id,omitempty"`
+	NewName   string `protobuf:"bytes,2,opt,name=new_name,json=newName,proto3" json:"new_name,omitempty"`
+}
+
+func (x *RenameMachineRequest) Reset() {
+	*x = RenameMachineRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_headscale_v1_machine_proto_msgTypes[11]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RenameMachineRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RenameMachineRequest) ProtoMessage() {}
+
+func (x *RenameMachineRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_headscale_v1_machine_proto_msgTypes[11]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RenameMachineRequest.ProtoReflect.Descriptor instead.
+func (*RenameMachineRequest) Descriptor() ([]byte, []int) {
+	return file_headscale_v1_machine_proto_rawDescGZIP(), []int{11}
+}
+
+func (x *RenameMachineRequest) GetMachineId() uint64 {
+	if x != nil {
+		return x.MachineId
+	}
+	return 0
+}
+
+func (x *RenameMachineRequest) GetNewName() string {
+	if x != nil {
+		return x.NewName
+	}
+	return ""
+}
+
+type RenameMachineResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Machine *Machine `protobuf:"bytes,1,opt,name=machine,proto3" json:"machine,omitempty"`
+}
+
+func (x *RenameMachineResponse) Reset() {
+	*x = RenameMachineResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_headscale_v1_machine_proto_msgTypes[12]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RenameMachineResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RenameMachineResponse) ProtoMessage() {}
+
+func (x *RenameMachineResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_headscale_v1_machine_proto_msgTypes[12]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RenameMachineResponse.ProtoReflect.Descriptor instead.
+func (*RenameMachineResponse) Descriptor() ([]byte, []int) {
+	return file_headscale_v1_machine_proto_rawDescGZIP(), []int{12}
+}
+
+func (x *RenameMachineResponse) GetMachine() *Machine {
+	if x != nil {
+		return x.Machine
+	}
+	return nil
+}
+
 type ListMachinesRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -602,7 +838,7 @@ type ListMachinesRequest struct {
 func (x *ListMachinesRequest) Reset() {
 	*x = ListMachinesRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_headscale_v1_machine_proto_msgTypes[9]
+		mi := &file_headscale_v1_machine_proto_msgTypes[13]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -615,7 +851,7 @@ func (x *ListMachinesRequest) String() string {
 func (*ListMachinesRequest) ProtoMessage() {}
 
 func (x *ListMachinesRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_headscale_v1_machine_proto_msgTypes[9]
+	mi := &file_headscale_v1_machine_proto_msgTypes[13]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -628,7 +864,7 @@ func (x *ListMachinesRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ListMachinesRequest.ProtoReflect.Descriptor instead.
 func (*ListMachinesRequest) Descriptor() ([]byte, []int) {
-	return file_headscale_v1_machine_proto_rawDescGZIP(), []int{9}
+	return file_headscale_v1_machine_proto_rawDescGZIP(), []int{13}
 }
 
 func (x *ListMachinesRequest) GetNamespace() string {
@@ -649,7 +885,7 @@ type ListMachinesResponse struct {
 func (x *ListMachinesResponse) Reset() {
 	*x = ListMachinesResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_headscale_v1_machine_proto_msgTypes[10]
+		mi := &file_headscale_v1_machine_proto_msgTypes[14]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -662,7 +898,7 @@ func (x *ListMachinesResponse) String() string {
 func (*ListMachinesResponse) ProtoMessage() {}
 
 func (x *ListMachinesResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_headscale_v1_machine_proto_msgTypes[10]
+	mi := &file_headscale_v1_machine_proto_msgTypes[14]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -675,7 +911,7 @@ func (x *ListMachinesResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ListMachinesResponse.ProtoReflect.Descriptor instead.
 func (*ListMachinesResponse) Descriptor() ([]byte, []int) {
-	return file_headscale_v1_machine_proto_rawDescGZIP(), []int{10}
+	return file_headscale_v1_machine_proto_rawDescGZIP(), []int{14}
 }
 
 func (x *ListMachinesResponse) GetMachines() []*Machine {
@@ -685,6 +921,108 @@ func (x *ListMachinesResponse) GetMachines() []*Machine {
 	return nil
 }
 
+type MoveMachineRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	MachineId uint64 `protobuf:"varint,1,opt,name=machine_id,json=machineId,proto3" json:"machine_id,omitempty"`
+	Namespace string `protobuf:"bytes,2,opt,name=namespace,proto3" json:"namespace,omitempty"`
+}
+
+func (x *MoveMachineRequest) Reset() {
+	*x = MoveMachineRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_headscale_v1_machine_proto_msgTypes[15]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *MoveMachineRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*MoveMachineRequest) ProtoMessage() {}
+
+func (x *MoveMachineRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_headscale_v1_machine_proto_msgTypes[15]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use MoveMachineRequest.ProtoReflect.Descriptor instead.
+func (*MoveMachineRequest) Descriptor() ([]byte, []int) {
+	return file_headscale_v1_machine_proto_rawDescGZIP(), []int{15}
+}
+
+func (x *MoveMachineRequest) GetMachineId() uint64 {
+	if x != nil {
+		return x.MachineId
+	}
+	return 0
+}
+
+func (x *MoveMachineRequest) GetNamespace() string {
+	if x != nil {
+		return x.Namespace
+	}
+	return ""
+}
+
+type MoveMachineResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Machine *Machine `protobuf:"bytes,1,opt,name=machine,proto3" json:"machine,omitempty"`
+}
+
+func (x *MoveMachineResponse) Reset() {
+	*x = MoveMachineResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_headscale_v1_machine_proto_msgTypes[16]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *MoveMachineResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*MoveMachineResponse) ProtoMessage() {}
+
+func (x *MoveMachineResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_headscale_v1_machine_proto_msgTypes[16]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use MoveMachineResponse.ProtoReflect.Descriptor instead.
+func (*MoveMachineResponse) Descriptor() ([]byte, []int) {
+	return file_headscale_v1_machine_proto_rawDescGZIP(), []int{16}
+}
+
+func (x *MoveMachineResponse) GetMachine() *Machine {
+	if x != nil {
+		return x.Machine
+	}
+	return nil
+}
+
 type DebugCreateMachineRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -699,7 +1037,7 @@ type DebugCreateMachineRequest struct {
 func (x *DebugCreateMachineRequest) Reset() {
 	*x = DebugCreateMachineRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_headscale_v1_machine_proto_msgTypes[11]
+		mi := &file_headscale_v1_machine_proto_msgTypes[17]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -712,7 +1050,7 @@ func (x *DebugCreateMachineRequest) String() string {
 func (*DebugCreateMachineRequest) ProtoMessage() {}
 
 func (x *DebugCreateMachineRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_headscale_v1_machine_proto_msgTypes[11]
+	mi := &file_headscale_v1_machine_proto_msgTypes[17]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -725,7 +1063,7 @@ func (x *DebugCreateMachineRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DebugCreateMachineRequest.ProtoReflect.Descriptor instead.
 func (*DebugCreateMachineRequest) Descriptor() ([]byte, []int) {
-	return file_headscale_v1_machine_proto_rawDescGZIP(), []int{11}
+	return file_headscale_v1_machine_proto_rawDescGZIP(), []int{17}
 }
 
 func (x *DebugCreateMachineRequest) GetNamespace() string {
@@ -767,7 +1105,7 @@ type DebugCreateMachineResponse struct {
 func (x *DebugCreateMachineResponse) Reset() {
 	*x = DebugCreateMachineResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_headscale_v1_machine_proto_msgTypes[12]
+		mi := &file_headscale_v1_machine_proto_msgTypes[18]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -780,7 +1118,7 @@ func (x *DebugCreateMachineResponse) String() string {
 func (*DebugCreateMachineResponse) ProtoMessage() {}
 
 func (x *DebugCreateMachineResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_headscale_v1_machine_proto_msgTypes[12]
+	mi := &file_headscale_v1_machine_proto_msgTypes[18]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -793,7 +1131,7 @@ func (x *DebugCreateMachineResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DebugCreateMachineResponse.ProtoReflect.Descriptor instead.
 func (*DebugCreateMachineResponse) Descriptor() ([]byte, []int) {
-	return file_headscale_v1_machine_proto_rawDescGZIP(), []int{12}
+	return file_headscale_v1_machine_proto_rawDescGZIP(), []int{18}
 }
 
 func (x *DebugCreateMachineResponse) GetMachine() *Machine {
@@ -814,7 +1152,7 @@ var file_headscale_v1_machine_proto_rawDesc = []byte{
 	0x64, 0x73, 0x63, 0x61, 0x6c, 0x65, 0x2f, 0x76, 0x31, 0x2f, 0x6e, 0x61, 0x6d, 0x65, 0x73, 0x70,
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 	0x68, 0x69, 0x6e, 0x65, 0x12, 0x0e, 0x0a, 0x02, 0x69, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x04,
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@@ -852,69 +1190,106 @@ var file_headscale_v1_machine_proto_rawDesc = []byte{
 	0x74, 0x68, 0x6f, 0x64, 0x18, 0x0d, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x1c, 0x2e, 0x68, 0x65, 0x61,
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 }
 
 var (
@@ -930,7 +1305,7 @@ func file_headscale_v1_machine_proto_rawDescGZIP() []byte {
 }
 
 var file_headscale_v1_machine_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_headscale_v1_machine_proto_msgTypes = make([]protoimpl.MessageInfo, 13)
+var file_headscale_v1_machine_proto_msgTypes = make([]protoimpl.MessageInfo, 19)
 var file_headscale_v1_machine_proto_goTypes = []interface{}{
 	(RegisterMethod)(0),                // 0: headscale.v1.RegisterMethod
 	(*Machine)(nil),                    // 1: headscale.v1.Machine
@@ -938,36 +1313,45 @@ var file_headscale_v1_machine_proto_goTypes = []interface{}{
 	(*RegisterMachineResponse)(nil),    // 3: headscale.v1.RegisterMachineResponse
 	(*GetMachineRequest)(nil),          // 4: headscale.v1.GetMachineRequest
 	(*GetMachineResponse)(nil),         // 5: headscale.v1.GetMachineResponse
-	(*DeleteMachineRequest)(nil),       // 6: headscale.v1.DeleteMachineRequest
-	(*DeleteMachineResponse)(nil),      // 7: headscale.v1.DeleteMachineResponse
-	(*ExpireMachineRequest)(nil),       // 8: headscale.v1.ExpireMachineRequest
-	(*ExpireMachineResponse)(nil),      // 9: headscale.v1.ExpireMachineResponse
-	(*ListMachinesRequest)(nil),        // 10: headscale.v1.ListMachinesRequest
-	(*ListMachinesResponse)(nil),       // 11: headscale.v1.ListMachinesResponse
-	(*DebugCreateMachineRequest)(nil),  // 12: headscale.v1.DebugCreateMachineRequest
-	(*DebugCreateMachineResponse)(nil), // 13: headscale.v1.DebugCreateMachineResponse
-	(*Namespace)(nil),                  // 14: headscale.v1.Namespace
-	(*timestamppb.Timestamp)(nil),      // 15: google.protobuf.Timestamp
-	(*PreAuthKey)(nil),                 // 16: headscale.v1.PreAuthKey
+	(*SetTagsRequest)(nil),             // 6: headscale.v1.SetTagsRequest
+	(*SetTagsResponse)(nil),            // 7: headscale.v1.SetTagsResponse
+	(*DeleteMachineRequest)(nil),       // 8: headscale.v1.DeleteMachineRequest
+	(*DeleteMachineResponse)(nil),      // 9: headscale.v1.DeleteMachineResponse
+	(*ExpireMachineRequest)(nil),       // 10: headscale.v1.ExpireMachineRequest
+	(*ExpireMachineResponse)(nil),      // 11: headscale.v1.ExpireMachineResponse
+	(*RenameMachineRequest)(nil),       // 12: headscale.v1.RenameMachineRequest
+	(*RenameMachineResponse)(nil),      // 13: headscale.v1.RenameMachineResponse
+	(*ListMachinesRequest)(nil),        // 14: headscale.v1.ListMachinesRequest
+	(*ListMachinesResponse)(nil),       // 15: headscale.v1.ListMachinesResponse
+	(*MoveMachineRequest)(nil),         // 16: headscale.v1.MoveMachineRequest
+	(*MoveMachineResponse)(nil),        // 17: headscale.v1.MoveMachineResponse
+	(*DebugCreateMachineRequest)(nil),  // 18: headscale.v1.DebugCreateMachineRequest
+	(*DebugCreateMachineResponse)(nil), // 19: headscale.v1.DebugCreateMachineResponse
+	(*Namespace)(nil),                  // 20: headscale.v1.Namespace
+	(*timestamppb.Timestamp)(nil),      // 21: google.protobuf.Timestamp
+	(*PreAuthKey)(nil),                 // 22: headscale.v1.PreAuthKey
 }
 var file_headscale_v1_machine_proto_depIdxs = []int32{
-	14, // 0: headscale.v1.Machine.namespace:type_name -> headscale.v1.Namespace
-	15, // 1: headscale.v1.Machine.last_seen:type_name -> google.protobuf.Timestamp
-	15, // 2: headscale.v1.Machine.last_successful_update:type_name -> google.protobuf.Timestamp
-	15, // 3: headscale.v1.Machine.expiry:type_name -> google.protobuf.Timestamp
-	16, // 4: headscale.v1.Machine.pre_auth_key:type_name -> headscale.v1.PreAuthKey
-	15, // 5: headscale.v1.Machine.created_at:type_name -> google.protobuf.Timestamp
+	20, // 0: headscale.v1.Machine.namespace:type_name -> headscale.v1.Namespace
+	21, // 1: headscale.v1.Machine.last_seen:type_name -> google.protobuf.Timestamp
+	21, // 2: headscale.v1.Machine.last_successful_update:type_name -> google.protobuf.Timestamp
+	21, // 3: headscale.v1.Machine.expiry:type_name -> google.protobuf.Timestamp
+	22, // 4: headscale.v1.Machine.pre_auth_key:type_name -> headscale.v1.PreAuthKey
+	21, // 5: headscale.v1.Machine.created_at:type_name -> google.protobuf.Timestamp
 	0,  // 6: headscale.v1.Machine.register_method:type_name -> headscale.v1.RegisterMethod
 	1,  // 7: headscale.v1.RegisterMachineResponse.machine:type_name -> headscale.v1.Machine
 	1,  // 8: headscale.v1.GetMachineResponse.machine:type_name -> headscale.v1.Machine
-	1,  // 9: headscale.v1.ExpireMachineResponse.machine:type_name -> headscale.v1.Machine
-	1,  // 10: headscale.v1.ListMachinesResponse.machines:type_name -> headscale.v1.Machine
-	1,  // 11: headscale.v1.DebugCreateMachineResponse.machine:type_name -> headscale.v1.Machine
-	12, // [12:12] is the sub-list for method output_type
-	12, // [12:12] is the sub-list for method input_type
-	12, // [12:12] is the sub-list for extension type_name
-	12, // [12:12] is the sub-list for extension extendee
-	0,  // [0:12] is the sub-list for field type_name
+	1,  // 9: headscale.v1.SetTagsResponse.machine:type_name -> headscale.v1.Machine
+	1,  // 10: headscale.v1.ExpireMachineResponse.machine:type_name -> headscale.v1.Machine
+	1,  // 11: headscale.v1.RenameMachineResponse.machine:type_name -> headscale.v1.Machine
+	1,  // 12: headscale.v1.ListMachinesResponse.machines:type_name -> headscale.v1.Machine
+	1,  // 13: headscale.v1.MoveMachineResponse.machine:type_name -> headscale.v1.Machine
+	1,  // 14: headscale.v1.DebugCreateMachineResponse.machine:type_name -> headscale.v1.Machine
+	15, // [15:15] is the sub-list for method output_type
+	15, // [15:15] is the sub-list for method input_type
+	15, // [15:15] is the sub-list for extension type_name
+	15, // [15:15] is the sub-list for extension extendee
+	0,  // [0:15] is the sub-list for field type_name
 }
 
 func init() { file_headscale_v1_machine_proto_init() }
@@ -1039,7 +1423,7 @@ func file_headscale_v1_machine_proto_init() {
 			}
 		}
 		file_headscale_v1_machine_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*DeleteMachineRequest); i {
+			switch v := v.(*SetTagsRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1051,7 +1435,7 @@ func file_headscale_v1_machine_proto_init() {
 			}
 		}
 		file_headscale_v1_machine_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*DeleteMachineResponse); i {
+			switch v := v.(*SetTagsResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1063,7 +1447,7 @@ func file_headscale_v1_machine_proto_init() {
 			}
 		}
 		file_headscale_v1_machine_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ExpireMachineRequest); i {
+			switch v := v.(*DeleteMachineRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1075,7 +1459,7 @@ func file_headscale_v1_machine_proto_init() {
 			}
 		}
 		file_headscale_v1_machine_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ExpireMachineResponse); i {
+			switch v := v.(*DeleteMachineResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1087,7 +1471,7 @@ func file_headscale_v1_machine_proto_init() {
 			}
 		}
 		file_headscale_v1_machine_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ListMachinesRequest); i {
+			switch v := v.(*ExpireMachineRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1099,7 +1483,7 @@ func file_headscale_v1_machine_proto_init() {
 			}
 		}
 		file_headscale_v1_machine_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ListMachinesResponse); i {
+			switch v := v.(*ExpireMachineResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1111,7 +1495,7 @@ func file_headscale_v1_machine_proto_init() {
 			}
 		}
 		file_headscale_v1_machine_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*DebugCreateMachineRequest); i {
+			switch v := v.(*RenameMachineRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1123,6 +1507,78 @@ func file_headscale_v1_machine_proto_init() {
 			}
 		}
 		file_headscale_v1_machine_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*RenameMachineResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_headscale_v1_machine_proto_msgTypes[13].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ListMachinesRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_headscale_v1_machine_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ListMachinesResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_headscale_v1_machine_proto_msgTypes[15].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*MoveMachineRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_headscale_v1_machine_proto_msgTypes[16].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*MoveMachineResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_headscale_v1_machine_proto_msgTypes[17].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*DebugCreateMachineRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_headscale_v1_machine_proto_msgTypes[18].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*DebugCreateMachineResponse); i {
 			case 0:
 				return &v.state
@@ -1141,7 +1597,7 @@ func file_headscale_v1_machine_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_headscale_v1_machine_proto_rawDesc,
 			NumEnums:      1,
-			NumMessages:   13,
+			NumMessages:   19,
 			NumExtensions: 0,
 			NumServices:   0,
 		},

gen/go/headscale/v1/namespace.pb.go

@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
+// 	protoc-gen-go v1.28.1
 // 	protoc        (unknown)
 // source: headscale/v1/namespace.proto
 

gen/go/headscale/v1/preauthkey.pb.go

@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
+// 	protoc-gen-go v1.28.1
 // 	protoc        (unknown)
 // source: headscale/v1/preauthkey.proto
 
@@ -34,6 +34,7 @@ type PreAuthKey struct {
 	Used       bool                   `protobuf:"varint,6,opt,name=used,proto3" json:"used,omitempty"`
 	Expiration *timestamppb.Timestamp `protobuf:"bytes,7,opt,name=expiration,proto3" json:"expiration,omitempty"`
 	CreatedAt  *timestamppb.Timestamp `protobuf:"bytes,8,opt,name=created_at,json=createdAt,proto3" json:"created_at,omitempty"`
+	AclTags    []string               `protobuf:"bytes,9,rep,name=acl_tags,json=aclTags,proto3" json:"acl_tags,omitempty"`
 }
 
 func (x *PreAuthKey) Reset() {
@@ -124,6 +125,13 @@ func (x *PreAuthKey) GetCreatedAt() *timestamppb.Timestamp {
 	return nil
 }
 
+func (x *PreAuthKey) GetAclTags() []string {
+	if x != nil {
+		return x.AclTags
+	}
+	return nil
+}
+
 type CreatePreAuthKeyRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -133,6 +141,7 @@ type CreatePreAuthKeyRequest struct {
 	Reusable   bool                   `protobuf:"varint,2,opt,name=reusable,proto3" json:"reusable,omitempty"`
 	Ephemeral  bool                   `protobuf:"varint,3,opt,name=ephemeral,proto3" json:"ephemeral,omitempty"`
 	Expiration *timestamppb.Timestamp `protobuf:"bytes,4,opt,name=expiration,proto3" json:"expiration,omitempty"`
+	AclTags    []string               `protobuf:"bytes,5,rep,name=acl_tags,json=aclTags,proto3" json:"acl_tags,omitempty"`
 }
 
 func (x *CreatePreAuthKeyRequest) Reset() {
@@ -195,6 +204,13 @@ func (x *CreatePreAuthKeyRequest) GetExpiration() *timestamppb.Timestamp {
 	return nil
 }
 
+func (x *CreatePreAuthKeyRequest) GetAclTags() []string {
+	if x != nil {
+		return x.AclTags
+	}
+	return nil
+}
+
 type CreatePreAuthKeyResponse struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -436,7 +452,7 @@ var file_headscale_v1_preauthkey_proto_rawDesc = []byte{
 	0x72, 0x65, 0x61, 0x75, 0x74, 0x68, 0x6b, 0x65, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12,
 	0x0c, 0x68, 0x65, 0x61, 0x64, 0x73, 0x63, 0x61, 0x6c, 0x65, 0x2e, 0x76, 0x31, 0x1a, 0x1f, 0x67,
 	0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x74,
-	0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x91,
+	0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0xac,
 	0x02, 0x0a, 0x0a, 0x50, 0x72, 0x65, 0x41, 0x75, 0x74, 0x68, 0x4b, 0x65, 0x79, 0x12, 0x1c, 0x0a,
 	0x09, 0x6e, 0x61, 0x6d, 0x65, 0x73, 0x70, 0x61, 0x63, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09,
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@@ -454,42 +470,45 @@ var file_headscale_v1_preauthkey_proto_rawDesc = []byte{
 	0x65, 0x64, 0x5f, 0x61, 0x74, 0x18, 0x08, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1a, 0x2e, 0x67, 0x6f,
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+	0x22, 0x49, 0x0a, 0x17, 0x45, 0x78, 0x70, 0x69, 0x72, 0x65, 0x50, 0x72, 0x65, 0x41, 0x75, 0x74,
+	0x68, 0x4b, 0x65, 0x79, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x1c, 0x0a, 0x09, 0x6e,
 	0x61, 0x6d, 0x65, 0x73, 0x70, 0x61, 0x63, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09,
-	0x6e, 0x61, 0x6d, 0x65, 0x73, 0x70, 0x61, 0x63, 0x65, 0x22, 0x57, 0x0a, 0x17, 0x4c, 0x69, 0x73,
-	0x74, 0x50, 0x72, 0x65, 0x41, 0x75, 0x74, 0x68, 0x4b, 0x65, 0x79, 0x73, 0x52, 0x65, 0x73, 0x70,
-	0x6f, 0x6e, 0x73, 0x65, 0x12, 0x3c, 0x0a, 0x0d, 0x70, 0x72, 0x65, 0x5f, 0x61, 0x75, 0x74, 0x68,
-	0x5f, 0x6b, 0x65, 0x79, 0x73, 0x18, 0x01, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x18, 0x2e, 0x68, 0x65,
-	0x61, 0x64, 0x73, 0x63, 0x61, 0x6c, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x50, 0x72, 0x65, 0x41, 0x75,
-	0x74, 0x68, 0x4b, 0x65, 0x79, 0x52, 0x0b, 0x70, 0x72, 0x65, 0x41, 0x75, 0x74, 0x68, 0x4b, 0x65,
-	0x79, 0x73, 0x42, 0x29, 0x5a, 0x27, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d,
-	0x2f, 0x6a, 0x75, 0x61, 0x6e, 0x66, 0x6f, 0x6e, 0x74, 0x2f, 0x68, 0x65, 0x61, 0x64, 0x73, 0x63,
-	0x61, 0x6c, 0x65, 0x2f, 0x67, 0x65, 0x6e, 0x2f, 0x67, 0x6f, 0x2f, 0x76, 0x31, 0x62, 0x06, 0x70,
-	0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x6e, 0x61, 0x6d, 0x65, 0x73, 0x70, 0x61, 0x63, 0x65, 0x12, 0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79,
+	0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x22, 0x1a, 0x0a, 0x18, 0x45,
+	0x78, 0x70, 0x69, 0x72, 0x65, 0x50, 0x72, 0x65, 0x41, 0x75, 0x74, 0x68, 0x4b, 0x65, 0x79, 0x52,
+	0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x36, 0x0a, 0x16, 0x4c, 0x69, 0x73, 0x74, 0x50,
+	0x72, 0x65, 0x41, 0x75, 0x74, 0x68, 0x4b, 0x65, 0x79, 0x73, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73,
+	0x74, 0x12, 0x1c, 0x0a, 0x09, 0x6e, 0x61, 0x6d, 0x65, 0x73, 0x70, 0x61, 0x63, 0x65, 0x18, 0x01,
+	0x20, 0x01, 0x28, 0x09, 0x52, 0x09, 0x6e, 0x61, 0x6d, 0x65, 0x73, 0x70, 0x61, 0x63, 0x65, 0x22,
+	0x57, 0x0a, 0x17, 0x4c, 0x69, 0x73, 0x74, 0x50, 0x72, 0x65, 0x41, 0x75, 0x74, 0x68, 0x4b, 0x65,
+	0x79, 0x73, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x3c, 0x0a, 0x0d, 0x70, 0x72,
+	0x65, 0x5f, 0x61, 0x75, 0x74, 0x68, 0x5f, 0x6b, 0x65, 0x79, 0x73, 0x18, 0x01, 0x20, 0x03, 0x28,
+	0x0b, 0x32, 0x18, 0x2e, 0x68, 0x65, 0x61, 0x64, 0x73, 0x63, 0x61, 0x6c, 0x65, 0x2e, 0x76, 0x31,
+	0x2e, 0x50, 0x72, 0x65, 0x41, 0x75, 0x74, 0x68, 0x4b, 0x65, 0x79, 0x52, 0x0b, 0x70, 0x72, 0x65,
+	0x41, 0x75, 0x74, 0x68, 0x4b, 0x65, 0x79, 0x73, 0x42, 0x29, 0x5a, 0x27, 0x67, 0x69, 0x74, 0x68,
+	0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x6a, 0x75, 0x61, 0x6e, 0x66, 0x6f, 0x6e, 0x74, 0x2f,
+	0x68, 0x65, 0x61, 0x64, 0x73, 0x63, 0x61, 0x6c, 0x65, 0x2f, 0x67, 0x65, 0x6e, 0x2f, 0x67, 0x6f,
+	0x2f, 0x76, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (

gen/go/headscale/v1/routes.pb.go

@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
+// 	protoc-gen-go v1.28.1
 // 	protoc        (unknown)
 // source: headscale/v1/routes.proto
 

gen/openapiv2/headscale/v1/headscale.swagger.json

@@ -291,6 +291,80 @@
         ]
       }
     },
+    "/api/v1/machine/{machineId}/namespace": {
+      "post": {
+        "operationId": "HeadscaleService_MoveMachine",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/v1MoveMachineResponse"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "machineId",
+            "in": "path",
+            "required": true,
+            "type": "string",
+            "format": "uint64"
+          },
+          {
+            "name": "namespace",
+            "in": "query",
+            "required": false,
+            "type": "string"
+          }
+        ],
+        "tags": [
+          "HeadscaleService"
+        ]
+      }
+    },
+    "/api/v1/machine/{machineId}/rename/{newName}": {
+      "post": {
+        "operationId": "HeadscaleService_RenameMachine",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/v1RenameMachineResponse"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "machineId",
+            "in": "path",
+            "required": true,
+            "type": "string",
+            "format": "uint64"
+          },
+          {
+            "name": "newName",
+            "in": "path",
+            "required": true,
+            "type": "string"
+          }
+        ],
+        "tags": [
+          "HeadscaleService"
+        ]
+      }
+    },
     "/api/v1/machine/{machineId}/routes": {
       "get": {
         "summary": "--- Route start ---",
@@ -362,6 +436,53 @@
         ]
       }
     },
+    "/api/v1/machine/{machineId}/tags": {
+      "post": {
+        "operationId": "HeadscaleService_SetTags",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/v1SetTagsResponse"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "machineId",
+            "in": "path",
+            "required": true,
+            "type": "string",
+            "format": "uint64"
+          },
+          {
+            "name": "body",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "type": "object",
+              "properties": {
+                "tags": {
+                  "type": "array",
+                  "items": {
+                    "type": "string"
+                  }
+                }
+              }
+            }
+          }
+        ],
+        "tags": [
+          "HeadscaleService"
+        ]
+      }
+    },
     "/api/v1/namespace": {
       "get": {
         "operationId": "HeadscaleService_ListNamespaces",
@@ -703,6 +824,12 @@
         "expiration": {
           "type": "string",
           "format": "date-time"
+        },
+        "aclTags": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          }
         }
       }
     },
@@ -906,6 +1033,35 @@
         },
         "registerMethod": {
           "$ref": "#/definitions/v1RegisterMethod"
+        },
+        "forcedTags": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          }
+        },
+        "invalidTags": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          }
+        },
+        "validTags": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          }
+        },
+        "givenName": {
+          "type": "string"
+        }
+      }
+    },
+    "v1MoveMachineResponse": {
+      "type": "object",
+      "properties": {
+        "machine": {
+          "$ref": "#/definitions/v1Machine"
         }
       }
     },
@@ -952,6 +1108,12 @@
         "createdAt": {
           "type": "string",
           "format": "date-time"
+        },
+        "aclTags": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          }
         }
       }
     },
@@ -973,6 +1135,14 @@
       ],
       "default": "REGISTER_METHOD_UNSPECIFIED"
     },
+    "v1RenameMachineResponse": {
+      "type": "object",
+      "properties": {
+        "machine": {
+          "$ref": "#/definitions/v1Machine"
+        }
+      }
+    },
     "v1RenameNamespaceResponse": {
       "type": "object",
       "properties": {
@@ -997,6 +1167,14 @@
           }
         }
       }
+    },
+    "v1SetTagsResponse": {
+      "type": "object",
+      "properties": {
+        "machine": {
+          "$ref": "#/definitions/v1Machine"
+        }
+      }
     }
   }
 }

go.mod

@@ -1,145 +1,150 @@
 module github.com/juanfont/headscale
 
-go 1.17
+go 1.19
 
 require (
-	github.com/AlecAivazis/survey/v2 v2.3.2
-	github.com/coreos/go-oidc/v3 v3.1.0
+	github.com/AlecAivazis/survey/v2 v2.3.6
+	github.com/ccding/go-stun/stun v0.0.0-20200514191101-4dc67bcdb029
+	github.com/cenkalti/backoff/v4 v4.1.3
+	github.com/coreos/go-oidc/v3 v3.4.0
+	github.com/deckarep/golang-set/v2 v2.1.0
 	github.com/efekarakus/termcolor v1.0.1
-	github.com/fatih/set v0.2.1
-	github.com/gin-gonic/gin v1.7.7
-	github.com/glebarez/sqlite v1.3.5
-	github.com/gofrs/uuid v4.2.0+incompatible
+	github.com/glebarez/sqlite v1.5.0
+	github.com/gofrs/uuid v4.3.0+incompatible
+	github.com/gorilla/mux v1.8.0
 	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.7.3
-	github.com/infobloxopen/protoc-gen-gorm v1.1.0
-	github.com/klauspost/compress v1.14.4
-	github.com/ory/dockertest/v3 v3.8.1
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.12.0
+	github.com/klauspost/compress v1.15.12
+	github.com/oauth2-proxy/mockoidc v0.0.0-20220308204021-b9169deeb282
+	github.com/ory/dockertest/v3 v3.9.1
 	github.com/patrickmn/go-cache v2.1.0+incompatible
 	github.com/philip-bui/grpc-zerolog v1.0.1
-	github.com/prometheus/client_golang v1.12.1
-	github.com/pterm/pterm v0.12.37
-	github.com/rs/zerolog v1.26.1
-	github.com/spf13/cobra v1.3.0
-	github.com/spf13/viper v1.10.1
-	github.com/stretchr/testify v1.7.0
-	github.com/tailscale/hujson v0.0.0-20211215203138-ffd971c5f362
+	github.com/prometheus/client_golang v1.13.0
+	github.com/prometheus/common v0.37.0
+	github.com/pterm/pterm v0.12.49
+	github.com/puzpuzpuz/xsync/v2 v2.0.2
+	github.com/rs/zerolog v1.28.0
+	github.com/spf13/cobra v1.6.1
+	github.com/spf13/viper v1.13.0
+	github.com/stretchr/testify v1.8.0
+	github.com/tailscale/hujson v0.0.0-20220630195928-54599719472f
 	github.com/tcnksm/go-latest v0.0.0-20170313132115-e3007ae9052e
-	github.com/zsais/go-gin-prometheus v0.1.0
-	golang.org/x/crypto v0.0.0-20220214200702-86341886e292
-	golang.org/x/oauth2 v0.0.0-20220223155221-ee480838109b
-	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
-	google.golang.org/genproto v0.0.0-20220228195345-15d65a4533f7
-	google.golang.org/grpc v1.44.0
-	google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.2.0
-	google.golang.org/protobuf v1.27.1
+	go4.org/netipx v0.0.0-20220925034521-797b0c90d8ab
+	golang.org/x/crypto v0.1.0
+	golang.org/x/net v0.1.0
+	golang.org/x/oauth2 v0.1.0
+	golang.org/x/sync v0.1.0
+	google.golang.org/genproto v0.0.0-20221027153422-115e99e71e1c
+	google.golang.org/grpc v1.50.1
+	google.golang.org/protobuf v1.28.1
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c
 	gopkg.in/yaml.v2 v2.4.0
-	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
-	gorm.io/driver/postgres v1.3.1
-	gorm.io/gorm v1.23.1
-	inet.af/netaddr v0.0.0-20211027220019-c74959edd3b6
-	tailscale.com v1.22.0
+	gopkg.in/yaml.v3 v3.0.1
+	gorm.io/driver/postgres v1.4.5
+	gorm.io/gorm v1.24.1-0.20221019064659-5dd2bb482755
+	tailscale.com v1.32.2
 )
 
 require (
+	atomicgo.dev/cursor v0.1.1 // indirect
+	atomicgo.dev/keyboard v0.2.8 // indirect
+	filippo.io/edwards25519 v1.0.0 // indirect
 	github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 // indirect
-	github.com/Microsoft/go-winio v0.5.2 // indirect
+	github.com/Microsoft/go-winio v0.6.0 // indirect
 	github.com/Nvveen/Gotty v0.0.0-20120604004816-cd527374f1e5 // indirect
-	github.com/atomicgo/cursor v0.0.1 // indirect
+	github.com/akutz/memconn v0.1.0 // indirect
+	github.com/alexbrainman/sspi v0.0.0-20210105120005-909beea2cc74 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cenkalti/backoff/v4 v4.1.2 // indirect
 	github.com/cespare/xxhash/v2 v2.1.2 // indirect
-	github.com/containerd/continuity v0.2.2 // indirect
+	github.com/containerd/console v1.0.3 // indirect
+	github.com/containerd/continuity v0.3.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/denisenkom/go-mssqldb v0.12.0 // indirect
-	github.com/docker/cli v20.10.12+incompatible // indirect
-	github.com/docker/docker v20.10.12+incompatible // indirect
+	github.com/docker/cli v20.10.21+incompatible // indirect
+	github.com/docker/docker v20.10.21+incompatible // indirect
 	github.com/docker/go-connections v0.4.0 // indirect
-	github.com/docker/go-units v0.4.0 // indirect
-	github.com/fsnotify/fsnotify v1.5.1 // indirect
-	github.com/gin-contrib/sse v0.1.0 // indirect
-	github.com/glebarez/go-sqlite v1.14.8 // indirect
-	github.com/go-playground/locales v0.14.0 // indirect
-	github.com/go-playground/universal-translator v0.18.0 // indirect
-	github.com/go-playground/validator/v10 v10.10.0 // indirect
-	github.com/go-sql-driver/mysql v1.6.0 // indirect
+	github.com/docker/go-units v0.5.0 // indirect
+	github.com/fsnotify/fsnotify v1.6.0 // indirect
+	github.com/fxamacker/cbor/v2 v2.4.0 // indirect
+	github.com/glebarez/go-sqlite v1.19.2 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
-	github.com/golang/glog v1.0.0 // indirect
+	github.com/golang-jwt/jwt v3.2.2+incompatible // indirect
+	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/google/go-cmp v0.5.9 // indirect
 	github.com/google/go-github v17.0.0+incompatible // indirect
 	github.com/google/go-querystring v1.1.0 // indirect
 	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 // indirect
 	github.com/google/uuid v1.3.0 // indirect
-	github.com/gookit/color v1.5.0 // indirect
-	github.com/hashicorp/go-version v1.4.0 // indirect
+	github.com/gookit/color v1.5.2 // indirect
+	github.com/hashicorp/go-version v1.6.0 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
-	github.com/imdario/mergo v0.3.12 // indirect
-	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/hdevalence/ed25519consensus v0.1.0 // indirect
+	github.com/imdario/mergo v0.3.13 // indirect
+	github.com/inconshreveable/mousetrap v1.0.1 // indirect
 	github.com/jackc/chunkreader/v2 v2.0.1 // indirect
-	github.com/jackc/pgconn v1.11.0 // indirect
+	github.com/jackc/pgconn v1.13.0 // indirect
 	github.com/jackc/pgio v1.0.0 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
-	github.com/jackc/pgproto3/v2 v2.2.0 // indirect
+	github.com/jackc/pgproto3/v2 v2.3.1 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20200714003250-2b9c44734f2b // indirect
-	github.com/jackc/pgtype v1.10.0 // indirect
-	github.com/jackc/pgx/v4 v4.15.0 // indirect
-	github.com/jinzhu/gorm v1.9.16 // indirect
+	github.com/jackc/pgtype v1.12.0 // indirect
+	github.com/jackc/pgx/v4 v4.17.2 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
-	github.com/jinzhu/now v1.1.4 // indirect
-	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/jinzhu/now v1.1.5 // indirect
+	github.com/josharian/native v1.0.0 // indirect
+	github.com/jsimonetti/rtnetlink v1.2.3 // indirect
 	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 // indirect
 	github.com/kr/pretty v0.3.0 // indirect
 	github.com/kr/text v0.2.0 // indirect
-	github.com/leodido/go-urn v1.2.1 // indirect
-	github.com/lib/pq v1.10.3 // indirect
+	github.com/lithammer/fuzzysearch v1.1.5 // indirect
 	github.com/magiconair/properties v1.8.6 // indirect
-	github.com/mattn/go-colorable v0.1.12 // indirect
-	github.com/mattn/go-isatty v0.0.14 // indirect
-	github.com/mattn/go-runewidth v0.0.13 // indirect
-	github.com/mattn/go-sqlite3 v1.14.11 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.16 // indirect
+	github.com/mattn/go-runewidth v0.0.14 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
+	github.com/mdlayher/netlink v1.6.2 // indirect
+	github.com/mdlayher/socket v0.2.3 // indirect
 	github.com/mgutz/ansi v0.0.0-20200706080929-d51e80ef957d // indirect
-	github.com/mitchellh/mapstructure v1.4.3 // indirect
-	github.com/moby/term v0.0.0-20210619224110-3f7ff695adc6 // indirect
-	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/mitchellh/go-ps v1.0.0 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/moby/term v0.0.0-20220808134915-39b0c02b01ae // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
-	github.com/opencontainers/image-spec v1.0.2 // indirect
-	github.com/opencontainers/runc v1.1.0 // indirect
-	github.com/pelletier/go-toml v1.9.4 // indirect
+	github.com/opencontainers/image-spec v1.1.0-rc2 // indirect
+	github.com/opencontainers/runc v1.1.4 // indirect
+	github.com/pelletier/go-toml v1.9.5 // indirect
+	github.com/pelletier/go-toml/v2 v2.0.5 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/prometheus/client_model v0.2.0 // indirect
-	github.com/prometheus/common v0.32.1 // indirect
-	github.com/prometheus/procfs v0.7.3 // indirect
-	github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 // indirect
-	github.com/rivo/uniseg v0.2.0 // indirect
-	github.com/rogpeppe/go-internal v1.8.1 // indirect
-	github.com/sirupsen/logrus v1.8.1 // indirect
-	github.com/spf13/afero v1.8.1 // indirect
-	github.com/spf13/cast v1.4.1 // indirect
+	github.com/prometheus/client_model v0.3.0 // indirect
+	github.com/prometheus/procfs v0.8.0 // indirect
+	github.com/remyoudompheng/bigfft v0.0.0-20220927061507-ef77025ab5aa // indirect
+	github.com/rivo/uniseg v0.4.2 // indirect
+	github.com/rogpeppe/go-internal v1.8.1-0.20211023094830-115ce09fd6b4 // indirect
+	github.com/sirupsen/logrus v1.9.0 // indirect
+	github.com/spf13/afero v1.9.2 // indirect
+	github.com/spf13/cast v1.5.0 // indirect
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	github.com/subosito/gotenv v1.2.0 // indirect
-	github.com/ugorji/go/codec v1.2.7 // indirect
+	github.com/subosito/gotenv v1.4.1 // indirect
+	github.com/x448/float16 v0.8.4 // indirect
 	github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
 	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
 	github.com/xeipuuv/gojsonschema v1.2.0 // indirect
-	github.com/xo/terminfo v0.0.0-20210125001918-ca9a967f8778 // indirect
-	go4.org/intern v0.0.0-20211027215823-ae77deb06f29 // indirect
-	go4.org/mem v0.0.0-20210711025021-927187094b94 // indirect
-	go4.org/unsafe/assume-no-moving-gc v0.0.0-20211027215541-db492cf91b37 // indirect
-	golang.org/x/net v0.0.0-20220225172249-27dd8689420f // indirect
-	golang.org/x/sys v0.0.0-20220227234510-4e6760a101f9 // indirect
-	golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 // indirect
-	golang.org/x/text v0.3.7 // indirect
+	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
+	go4.org/mem v0.0.0-20220726221520-4f986261bf13 // indirect
+	golang.org/x/mod v0.6.0 // indirect
+	golang.org/x/sys v0.1.0 // indirect
+	golang.org/x/term v0.1.0 // indirect
+	golang.org/x/text v0.4.0 // indirect
+	golang.org/x/time v0.1.0 // indirect
+	golang.org/x/tools v0.2.0 // indirect
+	golang.zx2c4.com/wireguard/windows v0.5.3 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
-	gopkg.in/ini.v1 v1.66.4 // indirect
+	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/square/go-jose.v2 v2.6.0 // indirect
-	modernc.org/libc v1.14.5 // indirect
-	modernc.org/mathutil v1.4.1 // indirect
-	modernc.org/memory v1.0.5 // indirect
-	modernc.org/sqlite v1.14.7 // indirect
-	sigs.k8s.io/yaml v1.3.0 // indirect
+	modernc.org/libc v1.21.4 // indirect
+	modernc.org/mathutil v1.5.0 // indirect
+	modernc.org/memory v1.4.0 // indirect
+	modernc.org/sqlite v1.19.3 // indirect
+	nhooyr.io/websocket v1.8.7 // indirect
 )

grpcv1.go

@@ -1,13 +1,18 @@
-//nolint
+// nolint
 package headscale
 
 import (
 	"context"
+	"fmt"
+	"strings"
 	"time"
 
-	"github.com/juanfont/headscale/gen/go/headscale/v1"
+	v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
 	"github.com/rs/zerolog/log"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
 	"tailscale.com/tailcfg"
+	"tailscale.com/types/key"
 )
 
 type headscaleV1APIServer struct { // v1.HeadscaleServiceServer
@@ -102,11 +107,21 @@ func (api headscaleV1APIServer) CreatePreAuthKey(
 		expiration = request.GetExpiration().AsTime()
 	}
 
+	for _, tag := range request.AclTags {
+		err := validateTag(tag)
+		if err != nil {
+			return &v1.CreatePreAuthKeyResponse{
+				PreAuthKey: nil,
+			}, status.Error(codes.InvalidArgument, err.Error())
+		}
+	}
+
 	preAuthKey, err := api.h.CreatePreAuthKey(
 		request.GetNamespace(),
 		request.GetReusable(),
 		request.GetEphemeral(),
 		&expiration,
+		request.AclTags,
 	)
 	if err != nil {
 		return nil, err
@@ -155,7 +170,7 @@ func (api headscaleV1APIServer) RegisterMachine(
 ) (*v1.RegisterMachineResponse, error) {
 	log.Trace().
 		Str("namespace", request.GetNamespace()).
-		Str("machine_key", request.GetKey()).
+		Str("node_key", request.GetKey()).
 		Msg("Registering machine")
 
 	machine, err := api.h.RegisterMachineFromAuthCallback(
@@ -182,6 +197,52 @@ func (api headscaleV1APIServer) GetMachine(
 	return &v1.GetMachineResponse{Machine: machine.toProto()}, nil
 }
 
+func (api headscaleV1APIServer) SetTags(
+	ctx context.Context,
+	request *v1.SetTagsRequest,
+) (*v1.SetTagsResponse, error) {
+	machine, err := api.h.GetMachineByID(request.GetMachineId())
+	if err != nil {
+		return nil, err
+	}
+
+	for _, tag := range request.GetTags() {
+		err := validateTag(tag)
+		if err != nil {
+			return &v1.SetTagsResponse{
+				Machine: nil,
+			}, status.Error(codes.InvalidArgument, err.Error())
+		}
+	}
+
+	err = api.h.SetTags(machine, request.GetTags())
+	if err != nil {
+		return &v1.SetTagsResponse{
+			Machine: nil,
+		}, status.Error(codes.Internal, err.Error())
+	}
+
+	log.Trace().
+		Str("machine", machine.Hostname).
+		Strs("tags", request.GetTags()).
+		Msg("Changing tags of machine")
+
+	return &v1.SetTagsResponse{Machine: machine.toProto()}, nil
+}
+
+func validateTag(tag string) error {
+	if strings.Index(tag, "tag:") != 0 {
+		return fmt.Errorf("tag must start with the string 'tag:'")
+	}
+	if strings.ToLower(tag) != tag {
+		return fmt.Errorf("tag should be lowercase")
+	}
+	if len(strings.Fields(tag)) > 1 {
+		return fmt.Errorf("tag should not contains space")
+	}
+	return nil
+}
+
 func (api headscaleV1APIServer) DeleteMachine(
 	ctx context.Context,
 	request *v1.DeleteMachineRequest,
@@ -215,13 +276,38 @@ func (api headscaleV1APIServer) ExpireMachine(
 	)
 
 	log.Trace().
-		Str("machine", machine.Name).
+		Str("machine", machine.Hostname).
 		Time("expiry", *machine.Expiry).
 		Msg("machine expired")
 
 	return &v1.ExpireMachineResponse{Machine: machine.toProto()}, nil
 }
 
+func (api headscaleV1APIServer) RenameMachine(
+	ctx context.Context,
+	request *v1.RenameMachineRequest,
+) (*v1.RenameMachineResponse, error) {
+	machine, err := api.h.GetMachineByID(request.GetMachineId())
+	if err != nil {
+		return nil, err
+	}
+
+	err = api.h.RenameMachine(
+		machine,
+		request.GetNewName(),
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	log.Trace().
+		Str("machine", machine.Hostname).
+		Str("new_name", request.GetNewName()).
+		Msg("machine renamed")
+
+	return &v1.RenameMachineResponse{Machine: machine.toProto()}, nil
+}
+
 func (api headscaleV1APIServer) ListMachines(
 	ctx context.Context,
 	request *v1.ListMachinesRequest,
@@ -247,12 +333,37 @@ func (api headscaleV1APIServer) ListMachines(
 
 	response := make([]*v1.Machine, len(machines))
 	for index, machine := range machines {
-		response[index] = machine.toProto()
+		m := machine.toProto()
+		validTags, invalidTags := getTags(
+			api.h.aclPolicy,
+			machine,
+			api.h.cfg.OIDC.StripEmaildomain,
+		)
+		m.InvalidTags = invalidTags
+		m.ValidTags = validTags
+		response[index] = m
 	}
 
 	return &v1.ListMachinesResponse{Machines: response}, nil
 }
 
+func (api headscaleV1APIServer) MoveMachine(
+	ctx context.Context,
+	request *v1.MoveMachineRequest,
+) (*v1.MoveMachineResponse, error) {
+	machine, err := api.h.GetMachineByID(request.GetMachineId())
+	if err != nil {
+		return nil, err
+	}
+
+	err = api.h.SetMachineNamespace(machine, request.GetNamespace())
+	if err != nil {
+		return nil, err
+	}
+
+	return &v1.MoveMachineResponse{Machine: machine.toProto()}, nil
+}
+
 func (api headscaleV1APIServer) GetMachineRoute(
 	ctx context.Context,
 	request *v1.GetMachineRouteRequest,
@@ -369,9 +480,15 @@ func (api headscaleV1APIServer) DebugCreateMachine(
 		Hostname:    "DebugTestMachine",
 	}
 
+	givenName, err := api.h.GenerateGivenName(request.GetKey(), request.GetName())
+	if err != nil {
+		return nil, err
+	}
+
 	newMachine := Machine{
 		MachineKey: request.GetKey(),
-		Name:       request.GetName(),
+		Hostname:   request.GetName(),
+		GivenName:  givenName,
 		Namespace:  *namespace,
 
 		Expiry:               &time.Time{},
@@ -380,9 +497,14 @@ func (api headscaleV1APIServer) DebugCreateMachine(
 
 		HostInfo: HostInfo(hostinfo),
 	}
+	nodeKey := key.NodePublic{}
+	err = nodeKey.UnmarshalText([]byte(request.GetKey()))
+	if err != nil {
+		log.Panic().Msg("can not add machine for debug. invalid node key")
+	}
 
 	api.h.registrationCache.Set(
-		request.GetKey(),
+		NodePublicKeyStripPrefix(nodeKey),
 		newMachine,
 		registerCacheExpiration,
 	)

grpcv1_test.go

@@ -0,0 +1,42 @@
+package headscale
+
+import "testing"
+
+func Test_validateTag(t *testing.T) {
+	type args struct {
+		tag string
+	}
+	tests := []struct {
+		name    string
+		args    args
+		wantErr bool
+	}{
+		{
+			name:    "valid tag",
+			args:    args{tag: "tag:test"},
+			wantErr: false,
+		},
+		{
+			name:    "tag without tag prefix",
+			args:    args{tag: "test"},
+			wantErr: true,
+		},
+		{
+			name:    "uppercase tag",
+			args:    args{tag: "tag:tEST"},
+			wantErr: true,
+		},
+		{
+			name:    "tag that contains space",
+			args:    args{tag: "tag:this is a spaced tag"},
+			wantErr: true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if err := validateTag(tt.args.tag); (err != nil) != tt.wantErr {
+				t.Errorf("validateTag() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}

handler_legacy.go

@@ -0,0 +1,15 @@
+//go:build ts2019
+
+package headscale
+
+import (
+	"net/http"
+
+	"github.com/gorilla/mux"
+)
+
+func (h *Headscale) addLegacyHandlers(router *mux.Router) {
+	router.HandleFunc("/machine/{mkey}/map", h.PollNetMapHandler).
+		Methods(http.MethodPost)
+	router.HandleFunc("/machine/{mkey}", h.RegistrationHandler).Methods(http.MethodPost)
+}

handler_placeholder.go

@@ -0,0 +1,8 @@
+//go:build !ts2019
+
+package headscale
+
+import "github.com/gorilla/mux"
+
+func (h *Headscale) addLegacyHandlers(router *mux.Router) {
+}

integration/auth_oidc_test.go

@@ -0,0 +1,302 @@
+package integration
+
+import (
+	"context"
+	"crypto/tls"
+	"errors"
+	"fmt"
+	"io"
+	"log"
+	"net"
+	"net/http"
+	"strconv"
+	"testing"
+
+	"github.com/juanfont/headscale"
+	"github.com/juanfont/headscale/integration/dockertestutil"
+	"github.com/juanfont/headscale/integration/hsic"
+	"github.com/ory/dockertest/v3"
+	"github.com/ory/dockertest/v3/docker"
+)
+
+const (
+	dockerContextPath      = "../."
+	hsicOIDCMockHashLength = 6
+	oidcServerPort         = 10000
+)
+
+var errStatusCodeNotOK = errors.New("status code not OK")
+
+type AuthOIDCScenario struct {
+	*Scenario
+
+	mockOIDC *dockertest.Resource
+}
+
+func TestOIDCAuthenticationPingAll(t *testing.T) {
+	IntegrationSkip(t)
+	t.Parallel()
+
+	baseScenario, err := NewScenario()
+	if err != nil {
+		t.Errorf("failed to create scenario: %s", err)
+	}
+
+	scenario := AuthOIDCScenario{
+		Scenario: baseScenario,
+	}
+
+	spec := map[string]int{
+		"namespace1": len(TailscaleVersions),
+	}
+
+	oidcConfig, err := scenario.runMockOIDC()
+	if err != nil {
+		t.Errorf("failed to run mock OIDC server: %s", err)
+	}
+
+	oidcMap := map[string]string{
+		"HEADSCALE_OIDC_ISSUER":             oidcConfig.Issuer,
+		"HEADSCALE_OIDC_CLIENT_ID":          oidcConfig.ClientID,
+		"HEADSCALE_OIDC_CLIENT_SECRET":      oidcConfig.ClientSecret,
+		"HEADSCALE_OIDC_STRIP_EMAIL_DOMAIN": fmt.Sprintf("%t", oidcConfig.StripEmaildomain),
+	}
+
+	err = scenario.CreateHeadscaleEnv(
+		spec,
+		hsic.WithTestName("oidcauthping"),
+		hsic.WithConfigEnv(oidcMap),
+		hsic.WithHostnameAsServerURL(),
+	)
+	if err != nil {
+		t.Errorf("failed to create headscale environment: %s", err)
+	}
+
+	allClients, err := scenario.ListTailscaleClients()
+	if err != nil {
+		t.Errorf("failed to get clients: %s", err)
+	}
+
+	allIps, err := scenario.ListTailscaleClientsIPs()
+	if err != nil {
+		t.Errorf("failed to get clients: %s", err)
+	}
+
+	err = scenario.WaitForTailscaleSync()
+	if err != nil {
+		t.Errorf("failed wait for tailscale clients to be in sync: %s", err)
+	}
+
+	success := 0
+
+	for _, client := range allClients {
+		for _, ip := range allIps {
+			err := client.Ping(ip.String())
+			if err != nil {
+				t.Errorf("failed to ping %s from %s: %s", ip, client.Hostname(), err)
+			} else {
+				success++
+			}
+		}
+	}
+
+	t.Logf("%d successful pings out of %d", success, len(allClients)*len(allIps))
+
+	err = scenario.Shutdown()
+	if err != nil {
+		t.Errorf("failed to tear down scenario: %s", err)
+	}
+}
+
+func (s *AuthOIDCScenario) CreateHeadscaleEnv(
+	namespaces map[string]int,
+	opts ...hsic.Option,
+) error {
+	headscale, err := s.Headscale(opts...)
+	if err != nil {
+		return err
+	}
+
+	err = headscale.WaitForReady()
+	if err != nil {
+		return err
+	}
+
+	for namespaceName, clientCount := range namespaces {
+		log.Printf("creating namespace %s with %d clients", namespaceName, clientCount)
+		err = s.CreateNamespace(namespaceName)
+		if err != nil {
+			return err
+		}
+
+		err = s.CreateTailscaleNodesInNamespace(namespaceName, "all", clientCount)
+		if err != nil {
+			return err
+		}
+
+		err = s.runTailscaleUp(namespaceName, headscale.GetEndpoint())
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (s *AuthOIDCScenario) runMockOIDC() (*headscale.OIDCConfig, error) {
+	hash, _ := headscale.GenerateRandomStringDNSSafe(hsicOIDCMockHashLength)
+
+	hostname := fmt.Sprintf("hs-oidcmock-%s", hash)
+
+	mockOidcOptions := &dockertest.RunOptions{
+		Name:         hostname,
+		Cmd:          []string{"headscale", "mockoidc"},
+		ExposedPorts: []string{"10000/tcp"},
+		PortBindings: map[docker.Port][]docker.PortBinding{
+			"10000/tcp": {{HostPort: "10000"}},
+		},
+		Networks: []*dockertest.Network{s.Scenario.network},
+		Env: []string{
+			fmt.Sprintf("MOCKOIDC_ADDR=%s", hostname),
+			"MOCKOIDC_PORT=10000",
+			"MOCKOIDC_CLIENT_ID=superclient",
+			"MOCKOIDC_CLIENT_SECRET=supersecret",
+		},
+	}
+
+	headscaleBuildOptions := &dockertest.BuildOptions{
+		Dockerfile: "Dockerfile.debug",
+		ContextDir: dockerContextPath,
+	}
+
+	err := s.pool.RemoveContainerByName(hostname)
+	if err != nil {
+		return nil, err
+	}
+
+	if pmockoidc, err := s.pool.BuildAndRunWithBuildOptions(
+		headscaleBuildOptions,
+		mockOidcOptions,
+		dockertestutil.DockerRestartPolicy); err == nil {
+		s.mockOIDC = pmockoidc
+	} else {
+		return nil, err
+	}
+
+	log.Println("Waiting for headscale mock oidc to be ready for tests")
+	hostEndpoint := fmt.Sprintf(
+		"%s:%s",
+		s.mockOIDC.GetIPInNetwork(s.network),
+		s.mockOIDC.GetPort(fmt.Sprintf("%d/tcp", oidcServerPort)),
+	)
+
+	if err := s.pool.Retry(func() error {
+		oidcConfigURL := fmt.Sprintf("http://%s/oidc/.well-known/openid-configuration", hostEndpoint)
+		httpClient := &http.Client{}
+		ctx := context.Background()
+		req, _ := http.NewRequestWithContext(ctx, http.MethodGet, oidcConfigURL, nil)
+		resp, err := httpClient.Do(req)
+		if err != nil {
+			log.Printf("headscale mock OIDC tests is not ready: %s\n", err)
+
+			return err
+		}
+		defer resp.Body.Close()
+
+		if resp.StatusCode != http.StatusOK {
+			return errStatusCodeNotOK
+		}
+
+		return nil
+	}); err != nil {
+		return nil, err
+	}
+
+	log.Printf("headscale mock oidc is ready for tests at %s", hostEndpoint)
+
+	return &headscale.OIDCConfig{
+		Issuer: fmt.Sprintf("http://%s/oidc",
+			net.JoinHostPort(s.mockOIDC.GetIPInNetwork(s.network), strconv.Itoa(oidcServerPort))),
+		ClientID:         "superclient",
+		ClientSecret:     "supersecret",
+		StripEmaildomain: true,
+	}, nil
+}
+
+func (s *AuthOIDCScenario) runTailscaleUp(
+	namespaceStr, loginServer string,
+) error {
+	headscale, err := s.Headscale()
+	if err != nil {
+		return err
+	}
+
+	log.Printf("running tailscale up for namespace %s", namespaceStr)
+	if namespace, ok := s.namespaces[namespaceStr]; ok {
+		for _, client := range namespace.Clients {
+			namespace.joinWaitGroup.Add(1)
+
+			go func(c TailscaleClient) {
+				defer namespace.joinWaitGroup.Done()
+
+				// TODO(juanfont): error handle this
+				loginURL, err := c.UpWithLoginURL(loginServer)
+				if err != nil {
+					log.Printf("failed to run tailscale up: %s", err)
+				}
+
+				loginURL.Host = fmt.Sprintf("%s:8080", headscale.GetIP())
+				loginURL.Scheme = "http"
+
+				insecureTransport := &http.Transport{
+					TLSClientConfig: &tls.Config{InsecureSkipVerify: true}, // nolint
+				}
+
+				log.Printf("%s login url: %s\n", c.Hostname(), loginURL.String())
+
+				httpClient := &http.Client{Transport: insecureTransport}
+				ctx := context.Background()
+				req, _ := http.NewRequestWithContext(ctx, http.MethodGet, loginURL.String(), nil)
+				resp, err := httpClient.Do(req)
+				if err != nil {
+					log.Printf("%s failed to get login url %s: %s", c.Hostname(), loginURL, err)
+
+					return
+				}
+
+				defer resp.Body.Close()
+
+				_, err = io.ReadAll(resp.Body)
+				if err != nil {
+					log.Printf("%s failed to read response body: %s", c.Hostname(), err)
+
+					return
+				}
+
+				log.Printf("Finished request for %s to join tailnet", c.Hostname())
+			}(client)
+
+			err = client.WaitForReady()
+			if err != nil {
+				log.Printf("error waiting for client %s to be ready: %s", client.Hostname(), err)
+			}
+
+			log.Printf("client %s is ready", client.Hostname())
+		}
+
+		namespace.joinWaitGroup.Wait()
+
+		return nil
+	}
+
+	return fmt.Errorf("failed to up tailscale node: %w", errNoNamespaceAvailable)
+}
+
+func (s *AuthOIDCScenario) Shutdown() error {
+	err := s.pool.Purge(s.mockOIDC)
+	if err != nil {
+		return err
+	}
+
+	return s.Scenario.Shutdown()
+}

integration/auth_web_flow_test.go

@@ -0,0 +1,205 @@
+package integration
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"io"
+	"log"
+	"net/http"
+	"net/url"
+	"strings"
+	"testing"
+
+	"github.com/juanfont/headscale/integration/hsic"
+)
+
+var errParseAuthPage = errors.New("failed to parse auth page")
+
+type AuthWebFlowScenario struct {
+	*Scenario
+}
+
+func TestAuthWebFlowAuthenticationPingAll(t *testing.T) {
+	IntegrationSkip(t)
+	t.Parallel()
+
+	baseScenario, err := NewScenario()
+	if err != nil {
+		t.Errorf("failed to create scenario: %s", err)
+	}
+
+	scenario := AuthWebFlowScenario{
+		Scenario: baseScenario,
+	}
+
+	spec := map[string]int{
+		"namespace1": len(TailscaleVersions),
+		"namespace2": len(TailscaleVersions),
+	}
+
+	err = scenario.CreateHeadscaleEnv(spec, hsic.WithTestName("webauthping"))
+	if err != nil {
+		t.Errorf("failed to create headscale environment: %s", err)
+	}
+
+	allClients, err := scenario.ListTailscaleClients()
+	if err != nil {
+		t.Errorf("failed to get clients: %s", err)
+	}
+
+	allIps, err := scenario.ListTailscaleClientsIPs()
+	if err != nil {
+		t.Errorf("failed to get clients: %s", err)
+	}
+
+	err = scenario.WaitForTailscaleSync()
+	if err != nil {
+		t.Errorf("failed wait for tailscale clients to be in sync: %s", err)
+	}
+
+	success := 0
+
+	for _, client := range allClients {
+		for _, ip := range allIps {
+			err := client.Ping(ip.String())
+			if err != nil {
+				t.Errorf("failed to ping %s from %s: %s", ip, client.Hostname(), err)
+			} else {
+				success++
+			}
+		}
+	}
+
+	t.Logf("%d successful pings out of %d", success, len(allClients)*len(allIps))
+
+	err = scenario.Shutdown()
+	if err != nil {
+		t.Errorf("failed to tear down scenario: %s", err)
+	}
+}
+
+func (s *AuthWebFlowScenario) CreateHeadscaleEnv(
+	namespaces map[string]int,
+	opts ...hsic.Option,
+) error {
+	headscale, err := s.Headscale(opts...)
+	if err != nil {
+		return err
+	}
+
+	err = headscale.WaitForReady()
+	if err != nil {
+		return err
+	}
+
+	for namespaceName, clientCount := range namespaces {
+		log.Printf("creating namespace %s with %d clients", namespaceName, clientCount)
+		err = s.CreateNamespace(namespaceName)
+		if err != nil {
+			return err
+		}
+
+		err = s.CreateTailscaleNodesInNamespace(namespaceName, "all", clientCount)
+		if err != nil {
+			return err
+		}
+
+		err = s.runTailscaleUp(namespaceName, headscale.GetEndpoint())
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (s *AuthWebFlowScenario) runTailscaleUp(
+	namespaceStr, loginServer string,
+) error {
+	log.Printf("running tailscale up for namespace %s", namespaceStr)
+	if namespace, ok := s.namespaces[namespaceStr]; ok {
+		for _, client := range namespace.Clients {
+			namespace.joinWaitGroup.Add(1)
+
+			go func(c TailscaleClient) {
+				defer namespace.joinWaitGroup.Done()
+
+				// TODO(juanfont): error handle this
+				loginURL, err := c.UpWithLoginURL(loginServer)
+				if err != nil {
+					log.Printf("failed to run tailscale up: %s", err)
+				}
+
+				err = s.runHeadscaleRegister(namespaceStr, loginURL)
+				if err != nil {
+					log.Printf("failed to register client: %s", err)
+				}
+			}(client)
+
+			err := client.WaitForReady()
+			if err != nil {
+				log.Printf("error waiting for client %s to be ready: %s", client.Hostname(), err)
+			}
+		}
+		namespace.joinWaitGroup.Wait()
+
+		return nil
+	}
+
+	return fmt.Errorf("failed to up tailscale node: %w", errNoNamespaceAvailable)
+}
+
+func (s *AuthWebFlowScenario) runHeadscaleRegister(namespaceStr string, loginURL *url.URL) error {
+	headscale, err := s.Headscale()
+	if err != nil {
+		return err
+	}
+
+	log.Printf("loginURL: %s", loginURL)
+	loginURL.Host = fmt.Sprintf("%s:8080", headscale.GetIP())
+	loginURL.Scheme = "http"
+
+	httpClient := &http.Client{}
+	ctx := context.Background()
+	req, _ := http.NewRequestWithContext(ctx, http.MethodGet, loginURL.String(), nil)
+	resp, err := httpClient.Do(req)
+	if err != nil {
+		return err
+	}
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return err
+	}
+
+	defer resp.Body.Close()
+
+	// see api.go HTML template
+	codeSep := strings.Split(string(body), "</code>")
+	if len(codeSep) != 2 {
+		return errParseAuthPage
+	}
+
+	keySep := strings.Split(codeSep[0], "key ")
+	if len(keySep) != 2 {
+		return errParseAuthPage
+	}
+	key := keySep[1]
+	log.Printf("registering node %s", key)
+
+	if headscale, err := s.Headscale(); err == nil {
+		_, err = headscale.Execute(
+			[]string{"headscale", "-n", namespaceStr, "nodes", "register", "--key", key},
+		)
+		if err != nil {
+			log.Printf("failed to register node: %s", err)
+
+			return err
+		}
+
+		return nil
+	}
+
+	return fmt.Errorf("failed to find headscale: %w", errNoHeadscaleAvailable)
+}

integration/cli_test.go

@@ -0,0 +1,391 @@
+package integration
+
+import (
+	"encoding/json"
+	"sort"
+	"testing"
+	"time"
+
+	v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
+	"github.com/juanfont/headscale/integration/hsic"
+	"github.com/juanfont/headscale/integration/tsic"
+	"github.com/stretchr/testify/assert"
+)
+
+func executeAndUnmarshal[T any](headscale ControlServer, command []string, result T) error {
+	str, err := headscale.Execute(command)
+	if err != nil {
+		return err
+	}
+
+	err = json.Unmarshal([]byte(str), result)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func TestNamespaceCommand(t *testing.T) {
+	IntegrationSkip(t)
+	t.Parallel()
+
+	scenario, err := NewScenario()
+	assert.NoError(t, err)
+
+	spec := map[string]int{
+		"namespace1": 0,
+		"namespace2": 0,
+	}
+
+	err = scenario.CreateHeadscaleEnv(spec, []tsic.Option{}, hsic.WithTestName("clins"))
+	assert.NoError(t, err)
+
+	headscale, err := scenario.Headscale()
+	assert.NoError(t, err)
+
+	var listNamespaces []v1.Namespace
+	err = executeAndUnmarshal(headscale,
+		[]string{
+			"headscale",
+			"namespaces",
+			"list",
+			"--output",
+			"json",
+		},
+		&listNamespaces,
+	)
+	assert.NoError(t, err)
+
+	result := []string{listNamespaces[0].Name, listNamespaces[1].Name}
+	sort.Strings(result)
+
+	assert.Equal(
+		t,
+		[]string{"namespace1", "namespace2"},
+		result,
+	)
+
+	_, err = headscale.Execute(
+		[]string{
+			"headscale",
+			"namespaces",
+			"rename",
+			"--output",
+			"json",
+			"namespace2",
+			"newname",
+		},
+	)
+	assert.NoError(t, err)
+
+	var listAfterRenameNamespaces []v1.Namespace
+	err = executeAndUnmarshal(headscale,
+		[]string{
+			"headscale",
+			"namespaces",
+			"list",
+			"--output",
+			"json",
+		},
+		&listAfterRenameNamespaces,
+	)
+	assert.NoError(t, err)
+
+	result = []string{listAfterRenameNamespaces[0].Name, listAfterRenameNamespaces[1].Name}
+	sort.Strings(result)
+
+	assert.Equal(
+		t,
+		[]string{"namespace1", "newname"},
+		result,
+	)
+
+	err = scenario.Shutdown()
+	assert.NoError(t, err)
+}
+
+func TestPreAuthKeyCommand(t *testing.T) {
+	IntegrationSkip(t)
+	t.Parallel()
+
+	namespace := "preauthkeyspace"
+	count := 3
+
+	scenario, err := NewScenario()
+	assert.NoError(t, err)
+
+	spec := map[string]int{
+		namespace: 0,
+	}
+
+	err = scenario.CreateHeadscaleEnv(spec, []tsic.Option{}, hsic.WithTestName("clipak"))
+	assert.NoError(t, err)
+
+	headscale, err := scenario.Headscale()
+	assert.NoError(t, err)
+
+	keys := make([]*v1.PreAuthKey, count)
+	assert.NoError(t, err)
+
+	for index := 0; index < count; index++ {
+		var preAuthKey v1.PreAuthKey
+		err := executeAndUnmarshal(
+			headscale,
+			[]string{
+				"headscale",
+				"preauthkeys",
+				"--namespace",
+				namespace,
+				"create",
+				"--reusable",
+				"--expiration",
+				"24h",
+				"--output",
+				"json",
+				"--tags",
+				"tag:test1,tag:test2",
+			},
+			&preAuthKey,
+		)
+		assert.NoError(t, err)
+
+		keys[index] = &preAuthKey
+	}
+
+	assert.Len(t, keys, 3)
+
+	var listedPreAuthKeys []v1.PreAuthKey
+	err = executeAndUnmarshal(
+		headscale,
+		[]string{
+			"headscale",
+			"preauthkeys",
+			"--namespace",
+			namespace,
+			"list",
+			"--output",
+			"json",
+		},
+		&listedPreAuthKeys,
+	)
+	assert.NoError(t, err)
+
+	// There is one key created by "scenario.CreateHeadscaleEnv"
+	assert.Len(t, listedPreAuthKeys, 4)
+
+	assert.Equal(
+		t,
+		[]string{keys[0].Id, keys[1].Id, keys[2].Id},
+		[]string{listedPreAuthKeys[1].Id, listedPreAuthKeys[2].Id, listedPreAuthKeys[3].Id},
+	)
+
+	assert.NotEmpty(t, listedPreAuthKeys[1].Key)
+	assert.NotEmpty(t, listedPreAuthKeys[2].Key)
+	assert.NotEmpty(t, listedPreAuthKeys[3].Key)
+
+	assert.True(t, listedPreAuthKeys[1].Expiration.AsTime().After(time.Now()))
+	assert.True(t, listedPreAuthKeys[2].Expiration.AsTime().After(time.Now()))
+	assert.True(t, listedPreAuthKeys[3].Expiration.AsTime().After(time.Now()))
+
+	assert.True(
+		t,
+		listedPreAuthKeys[1].Expiration.AsTime().Before(time.Now().Add(time.Hour*26)),
+	)
+	assert.True(
+		t,
+		listedPreAuthKeys[2].Expiration.AsTime().Before(time.Now().Add(time.Hour*26)),
+	)
+	assert.True(
+		t,
+		listedPreAuthKeys[3].Expiration.AsTime().Before(time.Now().Add(time.Hour*26)),
+	)
+
+	for index := range listedPreAuthKeys {
+		if index == 0 {
+			continue
+		}
+
+		assert.Equal(t, listedPreAuthKeys[index].AclTags, []string{"tag:test1", "tag:test2"})
+	}
+
+	// Test key expiry
+	_, err = headscale.Execute(
+		[]string{
+			"headscale",
+			"preauthkeys",
+			"--namespace",
+			namespace,
+			"expire",
+			listedPreAuthKeys[1].Key,
+		},
+	)
+	assert.NoError(t, err)
+
+	var listedPreAuthKeysAfterExpire []v1.PreAuthKey
+	err = executeAndUnmarshal(
+		headscale,
+		[]string{
+			"headscale",
+			"preauthkeys",
+			"--namespace",
+			namespace,
+			"list",
+			"--output",
+			"json",
+		},
+		&listedPreAuthKeysAfterExpire,
+	)
+	assert.NoError(t, err)
+
+	assert.True(t, listedPreAuthKeysAfterExpire[1].Expiration.AsTime().Before(time.Now()))
+	assert.True(t, listedPreAuthKeysAfterExpire[2].Expiration.AsTime().After(time.Now()))
+	assert.True(t, listedPreAuthKeysAfterExpire[3].Expiration.AsTime().After(time.Now()))
+
+	err = scenario.Shutdown()
+	assert.NoError(t, err)
+}
+
+func TestPreAuthKeyCommandWithoutExpiry(t *testing.T) {
+	IntegrationSkip(t)
+	t.Parallel()
+
+	namespace := "pre-auth-key-without-exp-namespace"
+
+	scenario, err := NewScenario()
+	assert.NoError(t, err)
+
+	spec := map[string]int{
+		namespace: 0,
+	}
+
+	err = scenario.CreateHeadscaleEnv(spec, []tsic.Option{}, hsic.WithTestName("clipaknaexp"))
+	assert.NoError(t, err)
+
+	headscale, err := scenario.Headscale()
+	assert.NoError(t, err)
+
+	var preAuthKey v1.PreAuthKey
+	err = executeAndUnmarshal(
+		headscale,
+		[]string{
+			"headscale",
+			"preauthkeys",
+			"--namespace",
+			namespace,
+			"create",
+			"--reusable",
+			"--output",
+			"json",
+		},
+		&preAuthKey,
+	)
+	assert.NoError(t, err)
+
+	var listedPreAuthKeys []v1.PreAuthKey
+	err = executeAndUnmarshal(
+		headscale,
+		[]string{
+			"headscale",
+			"preauthkeys",
+			"--namespace",
+			namespace,
+			"list",
+			"--output",
+			"json",
+		},
+		&listedPreAuthKeys,
+	)
+	assert.NoError(t, err)
+
+	// There is one key created by "scenario.CreateHeadscaleEnv"
+	assert.Len(t, listedPreAuthKeys, 2)
+
+	assert.True(t, listedPreAuthKeys[1].Expiration.AsTime().After(time.Now()))
+	assert.True(
+		t,
+		listedPreAuthKeys[1].Expiration.AsTime().Before(time.Now().Add(time.Minute*70)),
+	)
+
+	err = scenario.Shutdown()
+	assert.NoError(t, err)
+}
+
+func TestPreAuthKeyCommandReusableEphemeral(t *testing.T) {
+	IntegrationSkip(t)
+	t.Parallel()
+
+	namespace := "pre-auth-key-reus-ephm-namespace"
+
+	scenario, err := NewScenario()
+	assert.NoError(t, err)
+
+	spec := map[string]int{
+		namespace: 0,
+	}
+
+	err = scenario.CreateHeadscaleEnv(spec, []tsic.Option{}, hsic.WithTestName("clipakresueeph"))
+	assert.NoError(t, err)
+
+	headscale, err := scenario.Headscale()
+	assert.NoError(t, err)
+
+	var preAuthReusableKey v1.PreAuthKey
+	err = executeAndUnmarshal(
+		headscale,
+		[]string{
+			"headscale",
+			"preauthkeys",
+			"--namespace",
+			namespace,
+			"create",
+			"--reusable=true",
+			"--output",
+			"json",
+		},
+		&preAuthReusableKey,
+	)
+	assert.NoError(t, err)
+
+	var preAuthEphemeralKey v1.PreAuthKey
+	err = executeAndUnmarshal(
+		headscale,
+		[]string{
+			"headscale",
+			"preauthkeys",
+			"--namespace",
+			namespace,
+			"create",
+			"--ephemeral=true",
+			"--output",
+			"json",
+		},
+		&preAuthEphemeralKey,
+	)
+	assert.NoError(t, err)
+
+	assert.True(t, preAuthEphemeralKey.GetEphemeral())
+	assert.False(t, preAuthEphemeralKey.GetReusable())
+
+	var listedPreAuthKeys []v1.PreAuthKey
+	err = executeAndUnmarshal(
+		headscale,
+		[]string{
+			"headscale",
+			"preauthkeys",
+			"--namespace",
+			namespace,
+			"list",
+			"--output",
+			"json",
+		},
+		&listedPreAuthKeys,
+	)
+	assert.NoError(t, err)
+
+	// There is one key created by "scenario.CreateHeadscaleEnv"
+	assert.Len(t, listedPreAuthKeys, 3)
+
+	err = scenario.Shutdown()
+	assert.NoError(t, err)
+}

integration/control.go

@@ -0,0 +1,19 @@
+package integration
+
+import (
+	v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
+)
+
+type ControlServer interface {
+	Shutdown() error
+	Execute(command []string) (string, error)
+	GetHealthEndpoint() string
+	GetEndpoint() string
+	WaitForReady() error
+	CreateNamespace(namespace string) error
+	CreateAuthKey(namespace string) (*v1.PreAuthKey, error)
+	ListMachinesInNamespace(namespace string) ([]*v1.Machine, error)
+	GetCert() []byte
+	GetHostname() string
+	GetIP() string
+}

integration/dockertestutil/config.go

@@ -0,0 +1,40 @@
+package dockertestutil
+
+import (
+	"os"
+
+	"github.com/ory/dockertest/v3/docker"
+)
+
+func IsRunningInContainer() bool {
+	if _, err := os.Stat("/.dockerenv"); err != nil {
+		return false
+	}
+
+	return true
+}
+
+func DockerRestartPolicy(config *docker.HostConfig) {
+	// set AutoRemove to true so that stopped container goes away by itself on error *immediately*.
+	// when set to false, containers remain until the end of the integration test.
+	config.AutoRemove = false
+	config.RestartPolicy = docker.RestartPolicy{
+		Name: "no",
+	}
+}
+
+func DockerAllowLocalIPv6(config *docker.HostConfig) {
+	if config.Sysctls == nil {
+		config.Sysctls = make(map[string]string, 1)
+	}
+	config.Sysctls["net.ipv6.conf.all.disable_ipv6"] = "0"
+}
+
+func DockerAllowNetworkAdministration(config *docker.HostConfig) {
+	config.CapAdd = append(config.CapAdd, "NET_ADMIN")
+	config.Mounts = append(config.Mounts, docker.HostMount{
+		Type:   "bind",
+		Source: "/dev/net/tun",
+		Target: "/dev/net/tun",
+	})
+}

integration/dockertestutil/execute.go

@@ -0,0 +1,94 @@
+package dockertestutil
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"time"
+
+	"github.com/ory/dockertest/v3"
+)
+
+const dockerExecuteTimeout = time.Second * 10
+
+var (
+	ErrDockertestCommandFailed  = errors.New("dockertest command failed")
+	ErrDockertestCommandTimeout = errors.New("dockertest command timed out")
+)
+
+type ExecuteCommandConfig struct {
+	timeout time.Duration
+}
+
+type ExecuteCommandOption func(*ExecuteCommandConfig) error
+
+func ExecuteCommandTimeout(timeout time.Duration) ExecuteCommandOption {
+	return ExecuteCommandOption(func(conf *ExecuteCommandConfig) error {
+		conf.timeout = timeout
+
+		return nil
+	})
+}
+
+func ExecuteCommand(
+	resource *dockertest.Resource,
+	cmd []string,
+	env []string,
+	options ...ExecuteCommandOption,
+) (string, string, error) {
+	var stdout bytes.Buffer
+	var stderr bytes.Buffer
+
+	execConfig := ExecuteCommandConfig{
+		timeout: dockerExecuteTimeout,
+	}
+
+	for _, opt := range options {
+		if err := opt(&execConfig); err != nil {
+			return "", "", fmt.Errorf("execute-command/options: %w", err)
+		}
+	}
+
+	type result struct {
+		exitCode int
+		err      error
+	}
+
+	resultChan := make(chan result, 1)
+
+	// Run your long running function in it's own goroutine and pass back it's
+	// response into our channel.
+	go func() {
+		exitCode, err := resource.Exec(
+			cmd,
+			dockertest.ExecOptions{
+				Env:    append(env, "HEADSCALE_LOG_LEVEL=disabled"),
+				StdOut: &stdout,
+				StdErr: &stderr,
+			},
+		)
+		resultChan <- result{exitCode, err}
+	}()
+
+	// Listen on our channel AND a timeout channel - which ever happens first.
+	select {
+	case res := <-resultChan:
+		if res.err != nil {
+			return stdout.String(), stderr.String(), res.err
+		}
+
+		if res.exitCode != 0 {
+			// Uncomment for debugging
+			// log.Println("Command: ", cmd)
+			// log.Println("stdout: ", stdout.String())
+			// log.Println("stderr: ", stderr.String())
+
+			return stdout.String(), stderr.String(), ErrDockertestCommandFailed
+		}
+
+		return stdout.String(), stderr.String(), nil
+	case <-time.After(execConfig.timeout):
+
+		return stdout.String(), stderr.String(), ErrDockertestCommandTimeout
+	}
+}

integration/dockertestutil/network.go

@@ -0,0 +1,62 @@
+package dockertestutil
+
+import (
+	"errors"
+
+	"github.com/ory/dockertest/v3"
+	"github.com/ory/dockertest/v3/docker"
+)
+
+var ErrContainerNotFound = errors.New("container not found")
+
+func GetFirstOrCreateNetwork(pool *dockertest.Pool, name string) (*dockertest.Network, error) {
+	networks, err := pool.NetworksByName(name)
+	if err != nil || len(networks) == 0 {
+		if _, err := pool.CreateNetwork(name); err == nil {
+			// Create does not give us an updated version of the resource, so we need to
+			// get it again.
+			networks, err := pool.NetworksByName(name)
+			if err != nil {
+				return nil, err
+			}
+
+			return &networks[0], nil
+		}
+	}
+
+	return &networks[0], nil
+}
+
+func AddContainerToNetwork(
+	pool *dockertest.Pool,
+	network *dockertest.Network,
+	testContainer string,
+) error {
+	containers, err := pool.Client.ListContainers(docker.ListContainersOptions{
+		All: true,
+		Filters: map[string][]string{
+			"name": {testContainer},
+		},
+	})
+	if err != nil {
+		return err
+	}
+
+	err = pool.Client.ConnectNetwork(network.Network.ID, docker.NetworkConnectionOptions{
+		Container: containers[0].ID,
+	})
+	if err != nil {
+		return err
+	}
+
+	// TODO(kradalby): This doesnt work reliably, but calling the exact same functions
+	// seem to work fine...
+	// if container, ok := pool.ContainerByName("/" + testContainer); ok {
+	// 	err := container.ConnectToNetwork(network)
+	// 	if err != nil {
+	// 		return err
+	// 	}
+	// }
+
+	return nil
+}

integration/general_test.go

@@ -0,0 +1,346 @@
+package integration
+
+import (
+	"fmt"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/juanfont/headscale/integration/hsic"
+	"github.com/juanfont/headscale/integration/tsic"
+	"github.com/rs/zerolog/log"
+)
+
+func TestPingAllByIP(t *testing.T) {
+	IntegrationSkip(t)
+	t.Parallel()
+
+	scenario, err := NewScenario()
+	if err != nil {
+		t.Errorf("failed to create scenario: %s", err)
+	}
+
+	spec := map[string]int{
+		"namespace1": len(TailscaleVersions),
+		"namespace2": len(TailscaleVersions),
+	}
+
+	err = scenario.CreateHeadscaleEnv(spec, []tsic.Option{}, hsic.WithTestName("pingallbyip"))
+	if err != nil {
+		t.Errorf("failed to create headscale environment: %s", err)
+	}
+
+	allClients, err := scenario.ListTailscaleClients()
+	if err != nil {
+		t.Errorf("failed to get clients: %s", err)
+	}
+
+	allIps, err := scenario.ListTailscaleClientsIPs()
+	if err != nil {
+		t.Errorf("failed to get clients: %s", err)
+	}
+
+	err = scenario.WaitForTailscaleSync()
+	if err != nil {
+		t.Errorf("failed wait for tailscale clients to be in sync: %s", err)
+	}
+
+	success := 0
+
+	for _, client := range allClients {
+		for _, ip := range allIps {
+			err := client.Ping(ip.String())
+			if err != nil {
+				t.Errorf("failed to ping %s from %s: %s", ip, client.Hostname(), err)
+			} else {
+				success++
+			}
+		}
+	}
+
+	t.Logf("%d successful pings out of %d", success, len(allClients)*len(allIps))
+
+	err = scenario.Shutdown()
+	if err != nil {
+		t.Errorf("failed to tear down scenario: %s", err)
+	}
+}
+
+func TestPingAllByHostname(t *testing.T) {
+	IntegrationSkip(t)
+	t.Parallel()
+
+	scenario, err := NewScenario()
+	if err != nil {
+		t.Errorf("failed to create scenario: %s", err)
+	}
+
+	spec := map[string]int{
+		// Omit 1.16.2 (-1) because it does not have the FQDN field
+		"namespace3": len(TailscaleVersions) - 1,
+		"namespace4": len(TailscaleVersions) - 1,
+	}
+
+	err = scenario.CreateHeadscaleEnv(spec, []tsic.Option{}, hsic.WithTestName("pingallbyname"))
+	if err != nil {
+		t.Errorf("failed to create headscale environment: %s", err)
+	}
+
+	allClients, err := scenario.ListTailscaleClients()
+	if err != nil {
+		t.Errorf("failed to get clients: %s", err)
+	}
+
+	err = scenario.WaitForTailscaleSync()
+	if err != nil {
+		t.Errorf("failed wait for tailscale clients to be in sync: %s", err)
+	}
+
+	allHostnames, err := scenario.ListTailscaleClientsFQDNs()
+	if err != nil {
+		t.Errorf("failed to get FQDNs: %s", err)
+	}
+
+	success := 0
+
+	for _, client := range allClients {
+		for _, hostname := range allHostnames {
+			err := client.Ping(hostname)
+			if err != nil {
+				t.Errorf("failed to ping %s from %s: %s", hostname, client.Hostname(), err)
+			} else {
+				success++
+			}
+		}
+	}
+
+	t.Logf("%d successful pings out of %d", success, len(allClients)*len(allClients))
+
+	err = scenario.Shutdown()
+	if err != nil {
+		t.Errorf("failed to tear down scenario: %s", err)
+	}
+}
+
+func TestTaildrop(t *testing.T) {
+	IntegrationSkip(t)
+	t.Parallel()
+
+	retry := func(times int, sleepInverval time.Duration, doWork func() error) error {
+		var err error
+		for attempts := 0; attempts < times; attempts++ {
+			err = doWork()
+			if err == nil {
+				return nil
+			}
+			time.Sleep(sleepInverval)
+		}
+
+		return err
+	}
+
+	scenario, err := NewScenario()
+	if err != nil {
+		t.Errorf("failed to create scenario: %s", err)
+	}
+
+	spec := map[string]int{
+		// Omit 1.16.2 (-1) because it does not have the FQDN field
+		"taildrop": len(TailscaleVersions) - 1,
+	}
+
+	err = scenario.CreateHeadscaleEnv(spec, []tsic.Option{}, hsic.WithTestName("taildrop"))
+	if err != nil {
+		t.Errorf("failed to create headscale environment: %s", err)
+	}
+
+	allClients, err := scenario.ListTailscaleClients()
+	if err != nil {
+		t.Errorf("failed to get clients: %s", err)
+	}
+
+	err = scenario.WaitForTailscaleSync()
+	if err != nil {
+		t.Errorf("failed wait for tailscale clients to be in sync: %s", err)
+	}
+
+	// This will essentially fetch and cache all the FQDNs
+	_, err = scenario.ListTailscaleClientsFQDNs()
+	if err != nil {
+		t.Errorf("failed to get FQDNs: %s", err)
+	}
+
+	for _, client := range allClients {
+		command := []string{"touch", fmt.Sprintf("/tmp/file_from_%s", client.Hostname())}
+
+		if _, _, err := client.Execute(command); err != nil {
+			t.Errorf("failed to create taildrop file on %s, err: %s", client.Hostname(), err)
+		}
+
+		for _, peer := range allClients {
+			if client.Hostname() == peer.Hostname() {
+				continue
+			}
+
+			// It is safe to ignore this error as we handled it when caching it
+			peerFQDN, _ := peer.FQDN()
+
+			t.Run(fmt.Sprintf("%s-%s", client.Hostname(), peer.Hostname()), func(t *testing.T) {
+				command := []string{
+					"tailscale", "file", "cp",
+					fmt.Sprintf("/tmp/file_from_%s", client.Hostname()),
+					fmt.Sprintf("%s:", peerFQDN),
+				}
+
+				err := retry(10, 1*time.Second, func() error {
+					t.Logf(
+						"Sending file from %s to %s\n",
+						client.Hostname(),
+						peer.Hostname(),
+					)
+					_, _, err := client.Execute(command)
+
+					return err
+				})
+				if err != nil {
+					t.Errorf(
+						"failed to send taildrop file on %s, err: %s",
+						client.Hostname(),
+						err,
+					)
+				}
+			})
+		}
+	}
+
+	for _, client := range allClients {
+		command := []string{
+			"tailscale", "file",
+			"get",
+			"/tmp/",
+		}
+		if _, _, err := client.Execute(command); err != nil {
+			t.Errorf("failed to get taildrop file on %s, err: %s", client.Hostname(), err)
+		}
+
+		for _, peer := range allClients {
+			if client.Hostname() == peer.Hostname() {
+				continue
+			}
+
+			t.Run(fmt.Sprintf("%s-%s", client.Hostname(), peer.Hostname()), func(t *testing.T) {
+				command := []string{
+					"ls",
+					fmt.Sprintf("/tmp/file_from_%s", peer.Hostname()),
+				}
+				log.Printf(
+					"Checking file in %s from %s\n",
+					client.Hostname(),
+					peer.Hostname(),
+				)
+
+				result, _, err := client.Execute(command)
+				if err != nil {
+					t.Errorf("failed to execute command to ls taildrop: %s", err)
+				}
+
+				log.Printf("Result for %s: %s\n", peer.Hostname(), result)
+				if fmt.Sprintf("/tmp/file_from_%s\n", peer.Hostname()) != result {
+					t.Errorf(
+						"taildrop result is not correct %s, wanted %s",
+						result,
+						fmt.Sprintf("/tmp/file_from_%s\n", peer.Hostname()),
+					)
+				}
+			})
+		}
+	}
+
+	err = scenario.Shutdown()
+	if err != nil {
+		t.Errorf("failed to tear down scenario: %s", err)
+	}
+}
+
+func TestResolveMagicDNS(t *testing.T) {
+	IntegrationSkip(t)
+	t.Parallel()
+
+	scenario, err := NewScenario()
+	if err != nil {
+		t.Errorf("failed to create scenario: %s", err)
+	}
+
+	spec := map[string]int{
+		// Omit 1.16.2 (-1) because it does not have the FQDN field
+		"magicdns1": len(TailscaleVersions) - 1,
+		"magicdns2": len(TailscaleVersions) - 1,
+	}
+
+	err = scenario.CreateHeadscaleEnv(spec, []tsic.Option{}, hsic.WithTestName("magicdns"))
+	if err != nil {
+		t.Errorf("failed to create headscale environment: %s", err)
+	}
+
+	allClients, err := scenario.ListTailscaleClients()
+	if err != nil {
+		t.Errorf("failed to get clients: %s", err)
+	}
+
+	err = scenario.WaitForTailscaleSync()
+	if err != nil {
+		t.Errorf("failed wait for tailscale clients to be in sync: %s", err)
+	}
+
+	// Poor mans cache
+	_, err = scenario.ListTailscaleClientsFQDNs()
+	if err != nil {
+		t.Errorf("failed to get FQDNs: %s", err)
+	}
+
+	_, err = scenario.ListTailscaleClientsIPs()
+	if err != nil {
+		t.Errorf("failed to get IPs: %s", err)
+	}
+
+	for _, client := range allClients {
+		for _, peer := range allClients {
+			// It is safe to ignore this error as we handled it when caching it
+			peerFQDN, _ := peer.FQDN()
+
+			command := []string{
+				"tailscale",
+				"ip", peerFQDN,
+			}
+			result, _, err := client.Execute(command)
+			if err != nil {
+				t.Errorf(
+					"failed to execute resolve/ip command %s from %s: %s",
+					peerFQDN,
+					client.Hostname(),
+					err,
+				)
+			}
+
+			ips, err := peer.IPs()
+			if err != nil {
+				t.Errorf(
+					"failed to get ips for %s: %s",
+					peer.Hostname(),
+					err,
+				)
+			}
+
+			for _, ip := range ips {
+				if !strings.Contains(result, ip.String()) {
+					t.Errorf("ip %s is not found in \n%s\n", ip.String(), result)
+				}
+			}
+		}
+	}
+
+	err = scenario.Shutdown()
+	if err != nil {
+		t.Errorf("failed to tear down scenario: %s", err)
+	}
+}

integration/hsic/config.go

@@ -0,0 +1,97 @@
+package hsic
+
+// const (
+// 	defaultEphemeralNodeInactivityTimeout = time.Second * 30
+// 	defaultNodeUpdateCheckInterval        = time.Second * 10
+// )
+
+// TODO(kradalby): This approach doesnt work because we cannot
+// serialise our config object to YAML or JSON.
+// func DefaultConfig() headscale.Config {
+// 	derpMap, _ := url.Parse("https://controlplane.tailscale.com/derpmap/default")
+//
+// 	config := headscale.Config{
+// 		Log: headscale.LogConfig{
+// 			Level: zerolog.TraceLevel,
+// 		},
+// 		ACL:                            headscale.GetACLConfig(),
+// 		DBtype:                         "sqlite3",
+// 		EphemeralNodeInactivityTimeout: defaultEphemeralNodeInactivityTimeout,
+// 		NodeUpdateCheckInterval:        defaultNodeUpdateCheckInterval,
+// 		IPPrefixes: []netip.Prefix{
+// 			netip.MustParsePrefix("fd7a:115c:a1e0::/48"),
+// 			netip.MustParsePrefix("100.64.0.0/10"),
+// 		},
+// 		DNSConfig: &tailcfg.DNSConfig{
+// 			Proxied: true,
+// 			Nameservers: []netip.Addr{
+// 				netip.MustParseAddr("127.0.0.11"),
+// 				netip.MustParseAddr("1.1.1.1"),
+// 			},
+// 			Resolvers: []*dnstype.Resolver{
+// 				{
+// 					Addr: "127.0.0.11",
+// 				},
+// 				{
+// 					Addr: "1.1.1.1",
+// 				},
+// 			},
+// 		},
+// 		BaseDomain: "headscale.net",
+//
+// 		DBpath: "/tmp/integration_test_db.sqlite3",
+//
+// 		PrivateKeyPath:      "/tmp/integration_private.key",
+// 		NoisePrivateKeyPath: "/tmp/noise_integration_private.key",
+// 		Addr:                "0.0.0.0:8080",
+// 		MetricsAddr:         "127.0.0.1:9090",
+// 		ServerURL:           "http://headscale:8080",
+//
+// 		DERP: headscale.DERPConfig{
+// 			URLs: []url.URL{
+// 				*derpMap,
+// 			},
+// 			AutoUpdate:      false,
+// 			UpdateFrequency: 1 * time.Minute,
+// 		},
+// 	}
+//
+// 	return config
+// }
+
+// TODO: Reuse the actual configuration object above.
+func DefaultConfigYAML() string {
+	yaml := `
+log:
+  level: trace
+acl_policy_path: ""
+db_type: sqlite3
+db_path: /tmp/integration_test_db.sqlite3
+ephemeral_node_inactivity_timeout: 30m
+node_update_check_interval: 10s
+ip_prefixes:
+  - fd7a:115c:a1e0::/48
+  - 100.64.0.0/10
+dns_config:
+  base_domain: headscale.net
+  magic_dns: true
+  domains: []
+  nameservers:
+    - 127.0.0.11
+    - 1.1.1.1
+private_key_path: /tmp/private.key
+noise:
+  private_key_path: /tmp/noise_private.key
+listen_addr: 0.0.0.0:8080
+metrics_listen_addr: 127.0.0.1:9090
+server_url: http://headscale:8080
+
+derp:
+  urls:
+    - https://controlplane.tailscale.com/derpmap/default
+  auto_update_enabled: false
+  update_frequency: 1m
+`
+
+	return yaml
+}