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7bab8da366
Add SSH check period tracking so that recently authenticated users are auto-approved without requiring manual intervention each time. Introduce SSHCheckPeriod type with validation (min 1m, max 168h, "always" for every request) and encode the compiled check period as URL query parameters in the HoldAndDelegate URL. The SSHActionHandler checks recorded auth times before creating a new HoldAndDelegate flow. Auth timestamps are stored in-memory: - Default period (no explicit checkPeriod): auth covers any destination, keyed by source node with Dst=0 sentinel - Explicit period: auth covers only that specific destination, keyed by (source, destination) pair Auth times are cleared on policy changes. Updates #1850
85 lines
2.9 KiB
Go
85 lines
2.9 KiB
Go
package policy
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import (
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"net/netip"
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"time"
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"github.com/juanfont/headscale/hscontrol/policy/matcher"
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policyv2 "github.com/juanfont/headscale/hscontrol/policy/v2"
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"github.com/juanfont/headscale/hscontrol/types"
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"tailscale.com/tailcfg"
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"tailscale.com/types/views"
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)
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type PolicyManager interface {
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// Filter returns the current filter rules for the entire tailnet and the associated matchers.
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Filter() ([]tailcfg.FilterRule, []matcher.Match)
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// FilterForNode returns filter rules for a specific node, handling autogroup:self
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FilterForNode(node types.NodeView) ([]tailcfg.FilterRule, error)
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// MatchersForNode returns matchers for peer relationship determination (unreduced)
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MatchersForNode(node types.NodeView) ([]matcher.Match, error)
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// BuildPeerMap constructs peer relationship maps for the given nodes
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BuildPeerMap(nodes views.Slice[types.NodeView]) map[types.NodeID][]types.NodeView
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SSHPolicy(baseURL string, node types.NodeView) (*tailcfg.SSHPolicy, error)
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// SSHCheckParams resolves the SSH check period for a (src, dst) pair
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// from the current policy, avoiding trust of client-provided URL params.
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SSHCheckParams(srcNodeID, dstNodeID types.NodeID) (time.Duration, bool)
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SetPolicy(pol []byte) (bool, error)
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SetUsers(users []types.User) (bool, error)
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SetNodes(nodes views.Slice[types.NodeView]) (bool, error)
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// NodeCanHaveTag reports whether the given node can have the given tag.
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NodeCanHaveTag(node types.NodeView, tag string) bool
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// TagExists reports whether the given tag is defined in the policy.
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TagExists(tag string) bool
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// NodeCanApproveRoute reports whether the given node can approve the given route.
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NodeCanApproveRoute(node types.NodeView, route netip.Prefix) bool
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Version() int
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DebugString() string
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}
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// NewPolicyManager returns a new policy manager.
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func NewPolicyManager(pol []byte, users []types.User, nodes views.Slice[types.NodeView]) (PolicyManager, error) {
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var (
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polMan PolicyManager
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err error
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)
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polMan, err = policyv2.NewPolicyManager(pol, users, nodes)
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if err != nil {
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return nil, err
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}
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return polMan, err
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}
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// PolicyManagersForTest returns all available PostureManagers to be used
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// in tests to validate them in tests that try to determine that they
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// behave the same.
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func PolicyManagersForTest(pol []byte, users []types.User, nodes views.Slice[types.NodeView]) ([]PolicyManager, error) {
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var polMans []PolicyManager
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for _, pmf := range PolicyManagerFuncsForTest(pol) {
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pm, err := pmf(users, nodes)
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if err != nil {
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return nil, err
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}
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polMans = append(polMans, pm)
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}
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return polMans, nil
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}
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func PolicyManagerFuncsForTest(pol []byte) []func([]types.User, views.Slice[types.NodeView]) (PolicyManager, error) {
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polmanFuncs := make([]func([]types.User, views.Slice[types.NodeView]) (PolicyManager, error), 0, 1)
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polmanFuncs = append(polmanFuncs, func(u []types.User, n views.Slice[types.NodeView]) (PolicyManager, error) {
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return policyv2.NewPolicyManager(pol, u, n)
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})
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return polmanFuncs
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}
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