137 lines
3 KiB
Bash
137 lines
3 KiB
Bash
#!/bin/sh /etc/rc.common
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USE_PROCD=1
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run_dir=/var/run/acme
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export CHALLENGE_DIR=$run_dir/challenge
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export CERT_DIR=/etc/ssl/acme
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NFT_HANDLE=
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HOOK=/usr/lib/acme/hook
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LOG_TAG=acme
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# shellcheck source=net/acme/files/functions.sh
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. "$IPKG_INSTROOT/usr/lib/acme/functions.sh"
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cleanup() {
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log debug "cleaning up"
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if [ -e $run_dir/lock ]; then
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rm $run_dir/lock
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fi
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if [ "$NFT_HANDLE" ]; then
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# $NFT_HANDLE contains the string 'handle XX' so pass it unquoted to nft
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nft delete rule inet fw4 input $NFT_HANDLE
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fi
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}
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load_options() {
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section=$1
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# compatibility for old option name
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config_get_bool staging "$section" use_staging
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if [ -z "$staging" ]; then
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config_get_bool staging "$section" staging 0
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fi
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export staging
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config_get calias "$section" calias
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export calias
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config_get dalias "$section" dalias
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export dalias
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config_get domains "$section" domains
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export domains
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export main_domain
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main_domain="$(first_arg $domains)"
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config_get keylength "$section" keylength ec-256
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export keylength
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config_get dns "$section" dns
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export dns
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config_get acme_server "$section" acme_server
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export acme_server
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config_get days "$section" days
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export days
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config_get standalone "$section" standalone 0
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export standalone
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config_get dns_wait "$section" dns_wait
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export dns_wait
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config_get webroot "$section" webroot
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export webroot
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if [ "$webroot" ]; then
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log warn "Option \"webroot\" is deprecated, please remove it and change your web server's config so it serves ACME challenge requests from $CHALLENGE_DIR."
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fi
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}
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first_arg() {
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echo "$1"
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}
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get_cert() {
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section=$1
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config_get_bool enabled "$section" enabled 1
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[ "$enabled" = 1 ] || return
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load_options "$section"
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if [ -z "$dns" ] && [ "$standalone" = 0 ]; then
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mkdir -p "$CHALLENGE_DIR"
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fi
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if [ "$standalone" = 1 ] && [ -z "$NFT_HANDLE" ]; then
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if ! NFT_HANDLE=$(nft -a -e insert rule inet fw4 input tcp dport 80 counter accept comment ACME | grep -o 'handle [0-9]\+'); then
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return 1
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fi
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log debug "added nft rule: $NFT_HANDLE"
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fi
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load_credentials() {
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eval export "$1"
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}
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config_list_foreach "$section" credentials load_credentials
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"$HOOK" get
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}
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load_globals() {
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section=$1
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config_get account_email "$section" account_email
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if [ -z "$account_email" ]; then
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log err "account_email option is required"
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exit 1
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fi
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export account_email
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config_get state_dir "$section" state_dir
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if [ "$state_dir" ]; then
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log warn "Option \"state_dir\" is deprecated, please remove it. Certificates now exist in $CERT_DIR."
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mkdir -p "$state_dir"
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else
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state_dir=/etc/acme
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fi
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export state_dir
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config_get debug "$section" debug 0
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export debug
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# only look for the first acme section
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return 1
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}
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start_service() {
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mkdir -p $run_dir
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exec 200>$run_dir/lock
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if ! flock -n 200; then
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log err "Another ACME instance is already running."
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exit 1
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fi
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trap cleanup EXIT
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config_load acme
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config_foreach load_globals acme
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config_foreach get_cert cert
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}
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service_triggers() {
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procd_add_config_trigger config.change acme \
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/etc/init.d/acme start
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}
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