check_cron()
{
- [ -f "/etc/crontabs/root" ] && grep -q '/etc/init.d/acme' /etc/crontabs/root && return
- echo "0 0 * * * /etc/init.d/acme start" >> /etc/crontabs/root
- /etc/init.d/cron start
+ [ -f "/etc/crontabs/root" ] && grep -q '/etc/init.d/acme' /etc/crontabs/root && return
+ echo "0 0 * * * /etc/init.d/acme start" >> /etc/crontabs/root
+ /etc/init.d/cron start
}
log()
{
- logger -t acme -s -p daemon.info -- "$@"
+ logger -t acme -s -p daemon.info -- "$@"
}
err()
{
- logger -t acme -s -p daemon.err -- "$@"
+ logger -t acme -s -p daemon.err -- "$@"
}
debug()
{
- [ "$DEBUG" -eq "1" ] && logger -t acme -s -p daemon.debug -- "$@"
+ [ "$DEBUG" -eq "1" ] && logger -t acme -s -p daemon.debug -- "$@"
}
get_listeners() {
- local proto rq sq listen remote state program
- netstat -nptl 2>/dev/null | while read proto rq sq listen remote state program; do
- case "$proto#$listen#$program" in
- tcp#*:80#[0-9]*/*) echo -n "${program%% *} " ;;
- esac
- done
+ local proto rq sq listen remote state program
+ netstat -nptl 2>/dev/null | while read proto rq sq listen remote state program; do
+ case "$proto#$listen#$program" in
+ tcp#*:80#[0-9]*/*) echo -n "${program%% *} " ;;
+ esac
+ done
}
run_acme()
{
- debug "Running acme.sh as '$ACME $@'"
- $ACME "$@"
+ debug "Running acme.sh as '$ACME $@'"
+ $ACME "$@"
}
pre_checks()
{
- main_domain="$1"
-
- log "Running pre checks for $main_domain."
-
- listeners="$(get_listeners)"
-
- debug "port80 listens: $listeners"
-
- for listener in $(get_listeners); do
- pid="${listener%/*}"
- cmd="${listener#*/}"
-
- case "$cmd" in
- uhttpd)
- debug "Found uhttpd listening on port 80; trying to disable."
-
- UHTTPD_LISTEN_HTTP=$(uci get uhttpd.main.listen_http)
-
- if [ -z "$UHTTPD_LISTEN_HTTP" ]; then
- err "$main_domain: Unable to find uhttpd listen config."
- err "Manually disable uhttpd or set webroot to continue."
- return 1
- fi
-
- uci set uhttpd.main.listen_http=''
- uci commit uhttpd || return 1
- if ! /etc/init.d/uhttpd reload ; then
- uci set uhttpd.main.listen_http="$UHTTPD_LISTEN_HTTP"
- uci commit uhttpd
- return 1
- fi
- ;;
- nginx*)
- debug "Found nginx listening on port 80; trying to disable."
- NGINX_WEBSERVER=1
- local tries=0
- while grep -sq "$cmd" "/proc/$pid/cmdline" && kill -0 "$pid"; do
- /etc/init.d/nginx stop
- if [ $tries -gt 10 ]; then
- debug "Can't stop nginx. Terminating script."
- return 1
- fi
- debug "Waiting for nginx to stop..."
- tries=$((tries + 1))
- sleep 1
- done
- ;;
- "")
- debug "Nothing listening on port 80."
- ;;
- *)
- err "$main_domain: Cannot run in standalone mode; another daemon is listening on port 80."
- err "Disable other daemon or set webroot to continue."
- return 1
- ;;
- esac
- done
-
- iptables -I input_rule -p tcp --dport 80 -j ACCEPT -m comment --comment "ACME" || return 1
- ip6tables -I input_rule -p tcp --dport 80 -j ACCEPT -m comment --comment "ACME" || return 1
- debug "v4 input_rule: $(iptables -nvL input_rule)"
- debug "v6 input_rule: $(ip6tables -nvL input_rule)"
- return 0
+ main_domain="$1"
+
+ log "Running pre checks for $main_domain."
+
+ listeners="$(get_listeners)"
+
+ debug "port80 listens: $listeners"
+
+ for listener in $(get_listeners); do
+ pid="${listener%/*}"
+ cmd="${listener#*/}"
+
+ case "$cmd" in
+ uhttpd)
+ debug "Found uhttpd listening on port 80; trying to disable."
+
+ UHTTPD_LISTEN_HTTP=$(uci get uhttpd.main.listen_http)
+
+ if [ -z "$UHTTPD_LISTEN_HTTP" ]; then
+ err "$main_domain: Unable to find uhttpd listen config."
+ err "Manually disable uhttpd or set webroot to continue."
+ return 1
+ fi
+
+ uci set uhttpd.main.listen_http=''
+ uci commit uhttpd || return 1
+ if ! /etc/init.d/uhttpd reload ; then
+ uci set uhttpd.main.listen_http="$UHTTPD_LISTEN_HTTP"
+ uci commit uhttpd
+ return 1
+ fi
+ ;;
+ nginx*)
+ debug "Found nginx listening on port 80; trying to disable."
+ NGINX_WEBSERVER=1
+ local tries=0
+ while grep -sq "$cmd" "/proc/$pid/cmdline" && kill -0 "$pid"; do
+ /etc/init.d/nginx stop
+ if [ $tries -gt 10 ]; then
+ debug "Can't stop nginx. Terminating script."
+ return 1
+ fi
+ debug "Waiting for nginx to stop..."
+ tries=$((tries + 1))
+ sleep 1
+ done
+ ;;
+ "")
+ debug "Nothing listening on port 80."
+ ;;
+ *)
+ err "$main_domain: Cannot run in standalone mode; another daemon is listening on port 80."
+ err "Disable other daemon or set webroot to continue."
+ return 1
+ ;;
+ esac
+ done
+
+ iptables -I input_rule -p tcp --dport 80 -j ACCEPT -m comment --comment "ACME" || return 1
+ ip6tables -I input_rule -p tcp --dport 80 -j ACCEPT -m comment --comment "ACME" || return 1
+ debug "v4 input_rule: $(iptables -nvL input_rule)"
+ debug "v6 input_rule: $(ip6tables -nvL input_rule)"
+ return 0
}
post_checks()
{
- log "Running post checks (cleanup)."
- # The comment ensures we only touch our own rules. If no rules exist, that
- # is fine, so hide any errors
- iptables -D input_rule -p tcp --dport 80 -j ACCEPT -m comment --comment "ACME" 2>/dev/null
- ip6tables -D input_rule -p tcp --dport 80 -j ACCEPT -m comment --comment "ACME" 2>/dev/null
-
- if [ -e /etc/init.d/uhttpd ] && ( [ -n "$UHTTPD_LISTEN_HTTP" ] || [ "$UPDATE_UHTTPD" -eq 1 ] ); then
- if [ -n "$UHTTPD_LISTEN_HTTP" ]; then
- uci set uhttpd.main.listen_http="$UHTTPD_LISTEN_HTTP"
- UHTTPD_LISTEN_HTTP=
- fi
- uci commit uhttpd
- /etc/init.d/uhttpd reload
- fi
-
- if [ -e /etc/init.d/nginx ] && ( [ "$NGINX_WEBSERVER" -eq 1 ] || [ "$UPDATE_NGINX" -eq 1 ] ); then
- NGINX_WEBSERVER=0
- /etc/init.d/nginx restart
- fi
-
- if [ -n "$USER_CLEANUP" ] && [ -f "$USER_CLEANUP" ]; then
- log "Running user-provided cleanup script from $USER_CLEANUP."
- "$USER_CLEANUP" || return 1
- fi
+ log "Running post checks (cleanup)."
+ # The comment ensures we only touch our own rules. If no rules exist, that
+ # is fine, so hide any errors
+ iptables -D input_rule -p tcp --dport 80 -j ACCEPT -m comment --comment "ACME" 2>/dev/null
+ ip6tables -D input_rule -p tcp --dport 80 -j ACCEPT -m comment --comment "ACME" 2>/dev/null
+
+ if [ -e /etc/init.d/uhttpd ] && ( [ -n "$UHTTPD_LISTEN_HTTP" ] || [ "$UPDATE_UHTTPD" -eq 1 ] ); then
+ if [ -n "$UHTTPD_LISTEN_HTTP" ]; then
+ uci set uhttpd.main.listen_http="$UHTTPD_LISTEN_HTTP"
+ UHTTPD_LISTEN_HTTP=
+ fi
+ uci commit uhttpd
+ /etc/init.d/uhttpd reload
+ fi
+
+ if [ -e /etc/init.d/nginx ] && ( [ "$NGINX_WEBSERVER" -eq 1 ] || [ "$UPDATE_NGINX" -eq 1 ] ); then
+ NGINX_WEBSERVER=0
+ /etc/init.d/nginx restart
+ fi
+
+ if [ -n "$USER_CLEANUP" ] && [ -f "$USER_CLEANUP" ]; then
+ log "Running user-provided cleanup script from $USER_CLEANUP."
+ "$USER_CLEANUP" || return 1
+ fi
}
err_out()
{
- post_checks
- exit 1
+ post_checks
+ exit 1
}
int_out()
{
- post_checks
- trap - INT
- kill -INT $$
+ post_checks
+ trap - INT
+ kill -INT $$
}
is_staging()
{
- local main_domain
- local domain_dir
- main_domain="$1"
- domain_dir="$2"
+ local main_domain
+ local domain_dir
+ main_domain="$1"
+ domain_dir="$2"
- grep -q "acme-staging" "${domain_dir}/${main_domain}.conf"
- return $?
+ grep -q "acme-staging" "${domain_dir}/${main_domain}.conf"
+ return $?
}
issue_cert()
{
- local section="$1"
- local acme_args=
- local enabled
- local use_staging
- local update_uhttpd
- local update_nginx
- local keylength
- local keylength_ecc=0
- local domains
- local main_domain
- local moved_staging=0
- local failed_dir
- local webroot
- local dns
- local user_setup
- local user_cleanup
- local ret
- local domain_dir
-
- config_get_bool enabled "$section" enabled 0
- config_get_bool use_staging "$section" use_staging
- config_get_bool update_uhttpd "$section" update_uhttpd
- config_get_bool update_nginx "$section" update_nginx
- config_get calias "$section" calias
- config_get dalias "$section" dalias
- config_get domains "$section" domains
- config_get keylength "$section" keylength
- config_get webroot "$section" webroot
- config_get dns "$section" dns
- config_get user_setup "$section" user_setup
- config_get user_cleanup "$section" user_cleanup
-
- UPDATE_NGINX=$update_nginx
- UPDATE_UHTTPD=$update_uhttpd
- USER_CLEANUP=$user_cleanup
-
- [ "$enabled" -eq "1" ] || return
-
- [ "$DEBUG" -eq "1" ] && acme_args="$acme_args --debug"
-
- set -- $domains
- main_domain=$1
-
- if [ -n "$user_setup" ] && [ -f "$user_setup" ]; then
- log "Running user-provided setup script from $user_setup."
- "$user_setup" "$main_domain" || return 1
- else
- [ -n "$webroot" ] || [ -n "$dns" ] || pre_checks "$main_domain" || return 1
- fi
-
- if echo $keylength | grep -q "^ec-"; then
- domain_dir="$STATE_DIR/${main_domain}_ecc"
- keylength_ecc=1
- else
- domain_dir="$STATE_DIR/${main_domain}"
- fi
-
- log "Running ACME for $main_domain"
-
- handle_credentials() {
- local credential="$1"
- eval export $credential
- }
- config_list_foreach "$section" credentials handle_credentials
-
- if [ -e "$domain_dir" ]; then
- if [ "$use_staging" -eq "0" ] && is_staging "$main_domain" "$domain_dir"; then
- log "Found previous cert issued using staging server. Moving it out of the way."
- mv "$domain_dir" "${domain_dir}.staging"
- moved_staging=1
- else
- log "Found previous cert config. Issuing renew."
- [ "$keylength_ecc" -eq "1" ] && acme_args="$acme_args --ecc"
- run_acme --home "$STATE_DIR" --renew -d "$main_domain" $acme_args && ret=0 || ret=1
- post_checks
- return $ret
- fi
- fi
-
-
- acme_args="$acme_args $(for d in $domains; do echo -n "-d $d "; done)"
- acme_args="$acme_args --keylength $keylength"
- [ -n "$ACCOUNT_EMAIL" ] && acme_args="$acme_args --accountemail $ACCOUNT_EMAIL"
- [ "$use_staging" -eq "1" ] && acme_args="$acme_args --staging"
-
- if [ -n "$dns" ]; then
- log "Using dns mode"
- acme_args="$acme_args --dns $dns"
- if [ -n "$dalias" ]; then
- log "Using domain alias for dns mode"
- acme_args="$acme_args --domain-alias $dalias"
- if [ -n "$calias" ]; then
- err "Both domain and challenge aliases are defined. Ignoring the challenge alias."
- fi
- elif [ -n "$calias" ]; then
- log "Using challenge alias for dns mode"
- acme_args="$acme_args --challenge-alias $calias"
- fi
- elif [ -z "$webroot" ]; then
- log "Using standalone mode"
- acme_args="$acme_args --standalone --listen-v6"
- else
- if [ ! -d "$webroot" ]; then
- err "$main_domain: Webroot dir '$webroot' does not exist!"
- post_checks
- return 1
- fi
- log "Using webroot dir: $webroot"
- acme_args="$acme_args --webroot $webroot"
- fi
-
- if ! run_acme --home "$STATE_DIR" --issue $acme_args; then
- failed_dir="${domain_dir}.failed-$(date +%s)"
- err "Issuing cert for $main_domain failed. Moving state to $failed_dir"
- [ -d "$domain_dir" ] && mv "$domain_dir" "$failed_dir"
- if [ "$moved_staging" -eq "1" ]; then
- err "Restoring staging certificate"
- mv "${domain_dir}.staging" "${domain_dir}"
- fi
- post_checks
- return 1
- fi
-
- if [ -e /etc/init.d/uhttpd ] && [ "$update_uhttpd" -eq "1" ]; then
- uci set uhttpd.main.key="${domain_dir}/${main_domain}.key"
- uci set uhttpd.main.cert="${domain_dir}/fullchain.cer"
- # commit and reload is in post_checks
- fi
-
- if [ -e /etc/init.d/nginx ] && [ "$update_nginx" -eq "1" ]; then
- sed -i "s#ssl_certificate\ .*#ssl_certificate ${domain_dir}/fullchain.cer;#g" /etc/nginx/nginx.conf
- sed -i "s#ssl_certificate_key\ .*#ssl_certificate_key ${domain_dir}/${main_domain}.key;#g" /etc/nginx/nginx.conf
- # commit and reload is in post_checks
- fi
-
- post_checks
+ local section="$1"
+ local acme_args=
+ local enabled
+ local use_staging
+ local update_uhttpd
+ local update_nginx
+ local keylength
+ local keylength_ecc=0
+ local domains
+ local main_domain
+ local moved_staging=0
+ local failed_dir
+ local webroot
+ local dns
+ local user_setup
+ local user_cleanup
+ local ret
+ local domain_dir
+
+ config_get_bool enabled "$section" enabled 0
+ config_get_bool use_staging "$section" use_staging
+ config_get_bool update_uhttpd "$section" update_uhttpd
+ config_get_bool update_nginx "$section" update_nginx
+ config_get calias "$section" calias
+ config_get dalias "$section" dalias
+ config_get domains "$section" domains
+ config_get keylength "$section" keylength
+ config_get webroot "$section" webroot
+ config_get dns "$section" dns
+ config_get user_setup "$section" user_setup
+ config_get user_cleanup "$section" user_cleanup
+
+ UPDATE_NGINX=$update_nginx
+ UPDATE_UHTTPD=$update_uhttpd
+ USER_CLEANUP=$user_cleanup
+
+ [ "$enabled" -eq "1" ] || return
+
+ [ "$DEBUG" -eq "1" ] && acme_args="$acme_args --debug"
+
+ set -- $domains
+ main_domain=$1
+
+ if [ -n "$user_setup" ] && [ -f "$user_setup" ]; then
+ log "Running user-provided setup script from $user_setup."
+ "$user_setup" "$main_domain" || return 1
+ else
+ [ -n "$webroot" ] || [ -n "$dns" ] || pre_checks "$main_domain" || return 1
+ fi
+
+ if echo $keylength | grep -q "^ec-"; then
+ domain_dir="$STATE_DIR/${main_domain}_ecc"
+ keylength_ecc=1
+ else
+ domain_dir="$STATE_DIR/${main_domain}"
+ fi
+
+ log "Running ACME for $main_domain"
+
+ handle_credentials() {
+ local credential="$1"
+ eval export $credential
+ }
+ config_list_foreach "$section" credentials handle_credentials
+
+ if [ -e "$domain_dir" ]; then
+ if [ "$use_staging" -eq "0" ] && is_staging "$main_domain" "$domain_dir"; then
+ log "Found previous cert issued using staging server. Moving it out of the way."
+ mv "$domain_dir" "${domain_dir}.staging"
+ moved_staging=1
+ else
+ log "Found previous cert config. Issuing renew."
+ [ "$keylength_ecc" -eq "1" ] && acme_args="$acme_args --ecc"
+ run_acme --home "$STATE_DIR" --renew -d "$main_domain" $acme_args && ret=0 || ret=1
+ post_checks
+ return $ret
+ fi
+ fi
+
+
+ acme_args="$acme_args $(for d in $domains; do echo -n "-d $d "; done)"
+ acme_args="$acme_args --keylength $keylength"
+ [ -n "$ACCOUNT_EMAIL" ] && acme_args="$acme_args --accountemail $ACCOUNT_EMAIL"
+ [ "$use_staging" -eq "1" ] && acme_args="$acme_args --staging"
+
+ if [ -n "$dns" ]; then
+ log "Using dns mode"
+ acme_args="$acme_args --dns $dns"
+ if [ -n "$dalias" ]; then
+ log "Using domain alias for dns mode"
+ acme_args="$acme_args --domain-alias $dalias"
+ if [ -n "$calias" ]; then
+ err "Both domain and challenge aliases are defined. Ignoring the challenge alias."
+ fi
+ elif [ -n "$calias" ]; then
+ log "Using challenge alias for dns mode"
+ acme_args="$acme_args --challenge-alias $calias"
+ fi
+ elif [ -z "$webroot" ]; then
+ log "Using standalone mode"
+ acme_args="$acme_args --standalone --listen-v6"
+ else
+ if [ ! -d "$webroot" ]; then
+ err "$main_domain: Webroot dir '$webroot' does not exist!"
+ post_checks
+ return 1
+ fi
+ log "Using webroot dir: $webroot"
+ acme_args="$acme_args --webroot $webroot"
+ fi
+
+ if ! run_acme --home "$STATE_DIR" --issue $acme_args; then
+ failed_dir="${domain_dir}.failed-$(date +%s)"
+ err "Issuing cert for $main_domain failed. Moving state to $failed_dir"
+ [ -d "$domain_dir" ] && mv "$domain_dir" "$failed_dir"
+ if [ "$moved_staging" -eq "1" ]; then
+ err "Restoring staging certificate"
+ mv "${domain_dir}.staging" "${domain_dir}"
+ fi
+ post_checks
+ return 1
+ fi
+
+ if [ -e /etc/init.d/uhttpd ] && [ "$update_uhttpd" -eq "1" ]; then
+ uci set uhttpd.main.key="${domain_dir}/${main_domain}.key"
+ uci set uhttpd.main.cert="${domain_dir}/fullchain.cer"
+ # commit and reload is in post_checks
+ fi
+
+ if [ -e /etc/init.d/nginx ] && [ "$update_nginx" -eq "1" ]; then
+ sed -i "s#ssl_certificate\ .*#ssl_certificate ${domain_dir}/fullchain.cer;#g" /etc/nginx/nginx.conf
+ sed -i "s#ssl_certificate_key\ .*#ssl_certificate_key ${domain_dir}/${main_domain}.key;#g" /etc/nginx/nginx.conf
+ # commit and reload is in post_checks
+ fi
+
+ post_checks
}
load_vars()
{
- local section="$1"
+ local section="$1"
- STATE_DIR=$(config_get "$section" state_dir)
- ACCOUNT_EMAIL=$(config_get "$section" account_email)
- DEBUG=$(config_get "$section" debug)
+ STATE_DIR=$(config_get "$section" state_dir)
+ ACCOUNT_EMAIL=$(config_get "$section" account_email)
+ DEBUG=$(config_get "$section" debug)
}
check_cron
config_foreach load_vars acme
if [ -z "$STATE_DIR" ] || [ -z "$ACCOUNT_EMAIL" ]; then
- err "state_dir and account_email must be set"
- exit 1
+ err "state_dir and account_email must be set"
+ exit 1
fi
[ -d "$STATE_DIR" ] || mkdir -p "$STATE_DIR"
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