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use different sed version for different system types (mostly for compatibility with ancient linux distros nobody should be using anyway ¯\_(ツ)_/¯)

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This commit is contained in:
Lukas Schauer
2016-01-16 21:40:12 +01:00
parent 67a44aa4e3
commit f7c7d8c599
1 changed files with 18 additions and 7 deletions
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25
letsencrypt.sh
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@@ -12,7 +12,7 @@ BASEDIR="${SCRIPTDIR}"
check_dependencies() {
curl -V > /dev/null 2>&1 || _exiterr "This script requires curl."
openssl version > /dev/null 2>&1 || _exiterr "This script requires an openssl binary."
sed -E "" < /dev/null > /dev/null 2>&1 || _exiterr "This script requires sed with support for extended (modern) regular expressions."
_sed "" < /dev/null > /dev/null 2>&1 || _exiterr "This script requires sed with support for extended (modern) regular expressions."
grep -V > /dev/null 2>&1 || _exiterr "This script requires grep."
mktemp -u -t XXXXXX > /dev/null 2>&1 || _exiterr "This script requires mktemp."
}
@@ -134,6 +134,15 @@ init_system() {
fi
}
# Different sed version for different os types...
_sed() {
if [ "${OSTYPE}" = "Linux" ]; then
sed -r "${@}"
else
sed -E "${@}"
fi
}
# Print error message and exit with error
_exiterr() {
echo "ERROR: ${1}" >&2
@@ -143,13 +152,13 @@ _exiterr() {
# Encode data as url-safe formatted base64
urlbase64() {
# urlbase64: base64 encoded string with '+' replaced with '-' and '/' replaced with '_'
openssl base64 -e | tr -d '\n\r' | sed -e 's:=*$::g' -e 'y:+/:-_:'
openssl base64 -e | tr -d '\n\r' | _sed -e 's:=*$::g' -e 'y:+/:-_:'
}
# Convert hex string to binary data
hex2bin() {
# Remove spaces, add leading zero, escape as hex string and parse with printf
printf -- "$(cat | sed -E -e 's/[[:space:]]//g' -e 's/^(.(.{2})*)$/0\1/' -e 's/(.{2})/\\x\1/g')"
printf -- "$(cat | _sed -e 's/[[:space:]]//g' -e 's/^(.(.{2})*)$/0\1/' -e 's/(.{2})/\\x\1/g')"
}
# Get string value from json dictionary
@@ -280,7 +289,7 @@ sign_domain() {
challenges="$(printf '%s\n' "${response}" | grep -Eo '"challenges":[^\[]*\[[^]]*]')"
repl=$'\n''{' # fix syntax highlighting in Vim
challenge="$(printf "%s" "${challenges//\{/${repl}}" | grep \""${CHALLENGETYPE}"\")"
challenge_token="$(printf '%s' "${challenge}" | get_json_string_value token | sed 's/[^A-Za-z0-9_\-]/_/g')"
challenge_token="$(printf '%s' "${challenge}" | get_json_string_value token | _sed 's/[^A-Za-z0-9_\-]/_/g')"
challenge_uri="$(printf '%s' "${challenge}" | get_json_string_value uri)"
if [[ -z "${challenge_token}" ]] || [[ -z "${challenge_uri}" ]]; then
@@ -381,7 +390,7 @@ command_sign_domains() {
fi
# Generate certificates for all domains found in domains.txt. Check if existing certificate are about to expire
<"${DOMAINS_TXT}" sed -E -e 's/^[[:space:]]*//g' -e 's/[[:space:]]*$//g' -e 's/[[:space:]]+/ /g' | (grep -vE '^(#|$)' || true) | while read -r line; do
<"${DOMAINS_TXT}" _sed -e 's/^[[:space:]]*//g' -e 's/[[:space:]]*$//g' -e 's/[[:space:]]+/ /g' | (grep -vE '^(#|$)' || true) | while read -r line; do
domain="$(printf '%s\n' "${line}" | cut -d' ' -f1)"
morenames="$(printf '%s\n' "${line}" | cut -s -d' ' -f2-)"
cert="${BASEDIR}/certs/${domain}/cert.pem"
@@ -397,8 +406,8 @@ command_sign_domains() {
if [[ -e "${cert}" ]]; then
printf " + Checking domain name(s) of existing cert..."
certnames="$(openssl x509 -in "${cert}" -text -noout | grep DNS: | sed 's/DNS://g' | tr -d ' ' | tr ',' '\n' | sort -u | tr '\n' ' ' | sed 's/ $//')"
givennames="$(echo "${domain}" "${morenames}"| tr ' ' '\n' | sort -u | tr '\n' ' ' | sed 's/ $//' | sed 's/^ //')"
certnames="$(openssl x509 -in "${cert}" -text -noout | grep DNS: | _sed 's/DNS://g' | tr -d ' ' | tr ',' '\n' | sort -u | tr '\n' ' ' | _sed 's/ $//')"
givennames="$(echo "${domain}" "${morenames}"| tr ' ' '\n' | sort -u | tr '\n' ' ' | _sed 's/ $//' | _sed 's/^ //')"
if [[ "${certnames}" = "${givennames}" ]]; then
echo " unchanged."
@@ -502,6 +511,8 @@ command_env() {
# Main method (parses script arguments and calls command_* methods)
main() {
OSTYPE="$(uname)"
COMMAND=""
set_command() {
[[ -z "${COMMAND}" ]] || _exiterr "Only one command can be executed at a time. See help (-h) for more information."