siproxd: restructure code and use procd for init
Switch to use procd for init, with support for jails. Clean up code and
restructure callback processing to be more robust and understandable. This
also fixes a bug processing multiple siproxd config sections, as reported
by Michael Kuron.
Signed-off-by: Tony Ambardar <itugrok@yahoo.com>
(cherry picked from master commit b65b20f6)
This commit is contained in:
guidosarducci
parent
e2fee9b6f2
commit
6098d247ec
2 changed files with 89 additions and 84 deletions
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@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
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PKG_NAME:=siproxd
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PKG_VERSION:=0.8.2
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PKG_RELEASE:=3
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PKG_RELEASE:=4
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PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
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PKG_SOURCE_URL:=@SF/siproxd
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@ -4,14 +4,19 @@
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START=50
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SERVICE_USE_PID=1
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USE_PROCD=1
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siproxd_bin="/usr/sbin/siproxd"
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siproxd_conf_dir="/var/etc/siproxd"
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siproxd_conf_prefix="$siproxd_conf_dir/siproxd-"
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siproxd_registration_dir="/var/lib/siproxd"
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siproxd_registration_prefix="$siproxd_registration_dir/siproxd-"
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siproxd_pid_dir="/var/run/siproxd"
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PROG="/usr/sbin/siproxd"
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CONF_DIR="/var/etc/siproxd"
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REG_DIR="/var/lib/siproxd"
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PID_DIR="/var/run/siproxd"
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PLUGIN_DIR="/usr/lib/siproxd/"
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UID="nobody"
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GID="nogroup"
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# Some options need special handling or conflict with procd/jail setup.
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append CONF_SKIP "interface_inbound interface_outbound chrootjail"
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append CONF_SKIP "daemonize user plugindir registration_file pid_file"
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# Check if a UCI option is set, or else apply a provided default.
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@ -26,7 +31,12 @@ default_conf() {
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[ -z "$val" ] || return 0
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[ -n "$default" ] || return 0
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echo "$opt" = "$default" >> "$siproxd_conf_prefix$sec.conf"
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config_set "$sec" "$opt" "$default"
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append_conf "$opt" = "$default"
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}
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append_conf() {
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echo $* >> "$CONF_DIR/siproxd-$sec.conf"
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}
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# Use user-friendly network names (e.g. "wan", "lan") from options
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@ -35,14 +45,13 @@ default_conf() {
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setup_networks() {
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local sec="$1"
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local _int_inbound
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local _int_outbound
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local _dev_inbound
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local _dev_outbound
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local _int_inbound _int_outbound
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local _dev_inbound _dev_outbound
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config_get _int_inbound "$sec" interface_inbound
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config_get _int_outbound "$sec" interface_outbound
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. /lib/functions/network.sh
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network_get_physdev _dev_inbound $_int_inbound
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network_get_physdev _dev_outbound $_int_outbound
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@ -56,11 +65,7 @@ apply_defaults() {
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local sec="$1"
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default_conf sip_listen_port 5060
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default_conf daemonize 1
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default_conf user nobody
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default_conf registration_file "$siproxd_registration_prefix$sec.reg"
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default_conf autosave_registrations 300
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default_conf pid_file "$siproxd_pid_dir/siproxd-$sec.pid"
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default_conf rtp_port_low 7070
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default_conf rtp_port_high 7089
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default_conf rtp_timeout 300
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@ -68,7 +73,52 @@ apply_defaults() {
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default_conf tcp_timeout 600
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default_conf tcp_keepalive 20
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default_conf default_expires 600
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default_conf plugindir "/usr/lib/siproxd/"
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default_conf daemonize 0
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default_conf user "$UID"
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default_conf registration_file "$REG_DIR/siproxd-$sec.reg"
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default_conf plugindir "$PLUGIN_DIR"
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}
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# Handle activities at start of a new 'siproxd' section.
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# Initialize section processing and save section name.
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section_start() {
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local sec="$1"
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rm -f "$CONF_DIR/siproxd-$sec.conf"
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append_conf "# config auto-generated from /etc/config/siproxd"
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}
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# Handle activities at close of a 'siproxd' section.
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# Parse OpenWRT interface names (e.g. "wan"), apply defaults and
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# set up procd jail.
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section_end() {
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local sec="$1"
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local conf_file="$CONF_DIR/siproxd-$sec.conf"
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local pid_file="$PID_DIR/siproxd-$sec.pid"
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local reg_file plugin_dir
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setup_networks "$sec"
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apply_defaults "$sec"
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config_get plugin_dir "$sec" plugindir
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config_get reg_file "$sec" registration_file
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procd_open_instance "$sec"
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procd_set_param command "$PROG" --config "$conf_file"
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procd_set_param pidfile "$pid_file"
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procd_set_param respawn
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procd_add_jail siproxd log
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procd_add_jail_mount /etc/passwd /etc/group /etc/TZ /dev/null
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procd_add_jail_mount "$conf_file"
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[ -d "$plugin_dir" ] && procd_add_jail_mount "$plugin_dir"
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# Ensure registration file exists for jail
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[ -f "$reg_file" ] || touch "$reg_file"
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chown "$UID:$GID" "$reg_file"
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procd_add_jail_mount_rw "$reg_file"
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procd_close_instance
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}
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# Setup callbacks for parsing siproxd sections, options, and lists.
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@ -76,90 +126,45 @@ apply_defaults() {
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siproxd_cb() {
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config_cb() {
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local _int_inbound
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local _int_outbound
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local _dev_inbound
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local _dev_outbound
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# Section change: close any previous section.
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[ -n "$cur_sec" ] && section_end "$cur_sec"
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case "$1" in
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# Initialize section processing and save section name.
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# New 'siproxd' section: begin processing.
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"siproxd")
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sec="$2"
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if [ -f "$siproxd_conf_prefix$sec.conf" ]; then
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rm "$siproxd_conf_prefix$sec.conf"
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fi
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echo "# auto-generated config file from /etc/config/siproxd" > \
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"$siproxd_conf_prefix$sec.conf"
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cur_sec="$2"
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section_start "$cur_sec"
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;;
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# Parse OpenWRT interface names (e.g. "wan") and apply defaults,
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# using saved section name.
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"")
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local chrootjail
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local pid_file
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setup_networks "$sec"
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apply_defaults "$sec"
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config_get chrootjail "$sec" chrootjail
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if [ -n "$chrootjail" ]; then
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if [ ! -d "$chrootjail" ]; then
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mkdir -p "$chrootjail"
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chmod 0755 "$chrootjail"
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fi
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fi
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config_get pid_file "$sec" pid_file
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SERVICE_PID_FILE="$pid_file" service_start \
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$siproxd_bin --config "$siproxd_conf_prefix$sec.conf"
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# Config end or unknown section: ignore.
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*)
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cur_sec=""
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;;
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esac
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return 0
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}
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option_cb() {
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# These 2 OpenWRT-specific options are handled in post-processing.
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case "$1" in
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"interface_inbound"|"interface_outbound") return 0 ;;
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esac
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# Other options match siproxd docs, so write directly to config.
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[ -n "$2" ] && echo "$1" = "$2" >> "$siproxd_conf_prefix$sec.conf"
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return 0
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local sec="$cur_sec"
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[ -z "$sec" ] && return
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list_contains CONF_SKIP "$1" && return
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[ -n "$2" ] && append_conf "$1" = "$2"
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}
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list_cb() {
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# All list items match siproxd docs, so write directly to config.
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[ -n "$2" ] && echo "$1" = "$2" >> "$siproxd_conf_prefix$sec.conf"
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return 0
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option_cb "$@"
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}
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}
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stop_instance() {
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local sec="$1"
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config_get pid_file "$sec" pid_file "$siproxd_pid_dir/siproxd-$sec.pid"
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SERVICE_PID_FILE="$pid_file" \
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service_stop $siproxd_bin
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service_triggers()
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{
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procd_add_reload_trigger "siproxd"
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}
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start() {
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mkdir -p "$siproxd_conf_dir"
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chmod 755 "$siproxd_conf_dir"
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start_service() {
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mkdir -p "$CONF_DIR" "$REG_DIR" "$PID_DIR"
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chmod 755 "$CONF_DIR" "$REG_DIR" "$PID_DIR"
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chown "$UID:$GID" "$REG_DIR"
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mkdir -p "$siproxd_registration_dir"
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chmod 700 "$siproxd_registration_dir"
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chown nobody:nogroup "$siproxd_registration_dir"
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mkdir -p "$siproxd_pid_dir"
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chmod 700 "$siproxd_pid_dir"
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chown nobody:nogroup "$siproxd_pid_dir"
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. /lib/functions/network.sh
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siproxd_cb
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config_load 'siproxd'
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}
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stop() {
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config_load 'siproxd'
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config_foreach stop_instance 'siproxd'
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}
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