xinetd: add support for UCI configuration

Signed-off-by: Helge Mader <ma@dev.tdt.de>

net/xinetd/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=xinetd
 PKG_VERSION:=2.3.15
-PKG_RELEASE:=5
+PKG_RELEASE:=6
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://github.com/xinetd-org/xinetd/archive
@@ -39,7 +39,7 @@ define Package/xinetd/description
 endef
 
 define Package/xinetd/conffiles
-/etc/xinetd.conf
+/etc/config/xinetd
 /etc/xinetd.d/
 endef
 
@@ -58,11 +58,11 @@ CONFIGURE_VARS += \
 define Package/xinetd/install
 	$(INSTALL_DIR) $(1)/usr/sbin
 	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/xinetd $(1)/usr/sbin/
-	$(INSTALL_DIR) $(1)/etc
-	$(INSTALL_DATA) ./files/xinetd.conf $(1)/etc/xinetd.conf
-	$(INSTALL_DIR) $(1)/etc/xinetd.d
+	$(INSTALL_DIR) $(1)/etc/config/
+	$(INSTALL_DATA) ./files/xinetd.uci.conf.sample $(1)/etc/config/xinetd
 	$(INSTALL_DIR) $(1)/etc/init.d
 	$(INSTALL_BIN) ./files/xinetd.init $(1)/etc/init.d/xinetd
+	$(INSTALL_DIR) $(1)/etc/xinetd.d
 endef
 
 $(eval $(call BuildPackage,xinetd))

net/xinetd/files/xinetd.conf

@@ -1,6 +0,0 @@
-defaults
-{
-
-}
-
-includedir /etc/xinetd.d

net/xinetd/files/xinetd.init

@@ -2,14 +2,118 @@
 # Copyright (C) 2006-2011 OpenWrt.org
 
 START=50
+STOP=10
 
-SERVICE_USE_PID=1
+USE_PROCD=1
 
-start() {
-	service_start /usr/sbin/xinetd -pidfile /var/run/xinetd.pid
+PROG="/usr/sbin/xinetd"
+
+PIDFILE="/var/run/xinetd.pid"
+
+CONF_FILE="/etc/config/xinetd"
+GENERATED_CONF_FILE="/var/run/xinetd.conf"
+
+ServiceEntry="false"
+ListName=""
+ListValue=""
+
+
+# redefined callback for sections when calling config_load
+config_cb() {
+
+	# write out last list option (from last section) if exist and clear
+	if [ "$ListName" != "" ]; then
+		echo -e "\t$ListName = $ListVals" >> $GENERATED_CONF_FILE
+	fi
+
+	ListName=""
+	ListVals=""
+
+	# "close" last service entry (from last section) if exist
+	if [ "$ServiceEntry" = "true" ]; then				# at least one service section "opened"
+		echo "}" >> $GENERATED_CONF_FILE			# "close" open service section in config
+		ServiceEntry="false"
+	fi
+
+	if [ $# -eq 0 ]; then						# end of config reached
+		return
+	fi
+
+	local type="$1"
+	local name="$2"
+
+	if [ "$type" = "service" ]; then
+
+		if [ "$ServiceEntry" = "true" ]; then
+			echo "}" >> $GENERATED_CONF_FILE		# "close" previous opened service section in config
+		fi
+
+		ServiceEntry="true"
+
+		echo "" >> $GENERATED_CONF_FILE
+		echo "service $name" >> $GENERATED_CONF_FILE
+		echo "{" >> $GENERATED_CONF_FILE
+
+		# redefined callback for options when calling config_load
+		option_cb() {
+			local option="$1"
+			local value="$2"
+
+			[ -n "$value" ] && echo -e "\t$option = $value" >> $GENERATED_CONF_FILE
+		}
+
+		# redefined callback for lists when calling config_load
+		list_cb() {
+			local name="$1"
+			local value="$2"
+
+			# write out last list option if new list starts
+			if [ "$ListName" != "" -a "$ListName" != "$name" ]; then
+
+				echo -e "\t$ListName = $ListVals" >> $GENERATED_CONF_FILE
+
+				ListName=""
+				ListVals=""
+			fi
+
+			# new list option
+			if [ -z "$ListName" ]; then
+
+				ListName="$name"
+				ListVals="$value"
+			else
+				ListVals="$ListVals $value"
+			fi
+		}
+	else								# ignore non 'service' sections
+		return 0
+	fi
 }
 
-stop() {
-	service_stop /usr/sbin/xinetd
+generate_config() {
+	echo "# Auto-generated config file from $CONF_FILE" > $GENERATED_CONF_FILE
+	echo "# Do not edit, changes to this file will be lost on upgrades" >> $GENERATED_CONF_FILE
+	echo "" >> $GENERATED_CONF_FILE
+
+	echo "defaults" >> $GENERATED_CONF_FILE
+	echo "{" >> $GENERATED_CONF_FILE
+	echo "" >> $GENERATED_CONF_FILE
+	echo "}" >> $GENERATED_CONF_FILE
+	echo "" >> $GENERATED_CONF_FILE
+	echo "includedir /etc/xinetd.d" >> $GENERATED_CONF_FILE
+
+	config_load xinetd
 }
 
+start_service() {
+	generate_config
+
+	procd_open_instance
+	procd_set_param command $PROG -f $GENERATED_CONF_FILE -pidfile $PIDFILE
+	procd_set_param respawn
+	procd_close_instance
+}
+
+service_triggers() {
+	procd_add_reload_trigger "xinetd"
+}

net/xinetd/files/xinetd.uci.conf.sample

@@ -0,0 +1,11 @@
+#config service 'checkmk_agent'
+#        option type 'UNLISTED'
+#        option port '6556'
+#        option socket_type 'stream'
+#        option protocol 'tcp'      
+#        option wait 'no'     
+#        option user 'root'
+#        option server '/usr/bin/check_mk_agent'
+#        option log_on_success ''             
+#        option only_from '127.0.0.1'
+#        option disable 'no'