privoxy: moved to github and update to 3.0.22

- moved from oldpackages to github
- set maintainer
- update pkg source to new version 3.0.22
- run privoxy as non root user privoxy:privoxy
- using procd including network events to restart on changes
- log start and stop to syslog, privoxy not using syslog

Signed-off-by: Christian Schoenebeck <christian.schoenebeck@gmail.com>

net/privoxy/files/privoxy.init

@@ -0,0 +1,124 @@
+#!/bin/sh /etc/rc.common
+
+START=80
+USE_PROCD=1
+
+PIDFILE=/var/run/privoxy.pid
+CFGFILE=/var/etc/privoxy.conf
+CFGTEMP=/var/etc/privoxy.conf.tmp
+
+_uci2conf() {
+	local _LOGDIR="/var/log"	# set default
+	local _LOGFILE="privoxy.log"	# set default
+
+	# redefined callback for options when calling config_load
+	option_cb()
+	{
+		# $1	name of variable
+		# $2	value
+		local __OPT="$1"
+		local __VAL="$2"
+		case $__OPT in
+			logdir)		# logdir handled later
+				_LOGDIR="$__VAL"  ;;
+			logfile)	# logfile handled later
+				_LOGFILE="$__VAL" ;;
+			*)
+				# detect list options (LENGTH) and ignore
+				echo $__OPT | grep -i "_LENGTH" >/dev/null 2>&1 && return
+				# detect list options (ITEM) and ignore
+				echo $__OPT | grep -i "_ITEM" >/dev/null 2>&1 && __OPT=$(echo $__OPT | sed -e "s#_ITEM.##g")
+				# filter debug_*
+				echo $__OPT | grep -i "debug_" >/dev/null 2>&1 && {
+					[ $__VAL -eq 0 ] && return	# not set ignore
+					__VAL=$(echo $__OPT | sed -e "s#debug_##g")
+					__OPT="debug"
+				}
+				# uci only accept "_" but we need "-"
+				local __OPT=$(echo $__OPT | sed -e "s#_#-#g")
+				# write to config
+				echo -e "$__OPT\t$__VAL" >> $CFGTEMP
+				;;
+		esac
+	}
+
+	mkdir -m0755 -p /var/etc
+	echo "" > $CFGTEMP	# create tmp config file
+	chmod 644 $CFGTEMP	# garantee that privoxy can read
+	chgrp privoxy $CFGTEMP
+
+	echo '### AUTO-GENERATED CONFIGURATION'	   >> $CFGTEMP
+	echo '### USED BY PRIVOXY'		   >> $CFGTEMP
+	echo '### DO NOT EDIT'			   >> $CFGTEMP
+	echo '### SEE /etc/config/privoxy INSTEAD' >> $CFGTEMP
+	echo ''					   >> $CFGTEMP
+
+	config_load privoxy	# calling above option_cb()
+
+	# write logdir/logfile to config
+	echo -e "logdir\t$_LOGDIR" >> $CFGTEMP
+	echo -e "logfile\t$_LOGFILE" >> $CFGTEMP
+
+	# create logfile and set permissions
+	touch $_LOGDIR/$_LOGFILE
+	chmod 664 $_LOGDIR/$_LOGFILE
+	chown privoxy:privoxy $_LOGDIR/$_LOGFILE
+
+	# move temp to final privoxy readable configuration
+	mv -f $CFGTEMP $CFGFILE
+}
+
+# privoxy should auto-reload it's configuration
+# but it only reload on next connect to one of the listen_address
+# if we create a new listen_address privoxy never reload
+reload_service() {
+	# so we restart here because rc.common reload_service only start without stopping
+	restart "$@"
+
+	# the following should normally work but see above
+#	_uci2conf	# convert uci config
+}
+
+service_triggers() {
+	procd_add_reload_trigger "privoxy"
+}
+
+start_service() {
+	# redefined callback for sections when calling config_load
+	config_cb() {
+		# $1	type of config section
+		# $2	name of section
+		[ "$1" = "interface" ] && \
+			procd_add_interface_trigger interface.* $2 /etc/init.d/privoxy restart
+	}
+
+	_uci2conf	# convert uci config
+
+	procd_open_instance
+
+	procd_set_param command /usr/sbin/privoxy
+	procd_append_param command --no-daemon			# for procd run in foreground
+	procd_append_param command --pidfile $PIDFILE		# set pid file
+	procd_append_param command --user privoxy.privoxy	# set user
+	procd_append_param command $CFGFILE			# config file
+
+	procd_set_param file $CFGFILE	# set configration file
+
+        procd_open_trigger	# we need a restart on interface events not a reload
+	config_load network	# load network configuration and set trigger(s) in config_cb() above
+        procd_close_trigger
+
+	procd_close_instance
+}
+
+service_running() {
+	logger_trick() {
+		sleep 1		# give privoxy time to completely come up
+		logger -p daemon.notice -t "privoxy[$(cat $PIDFILE)]" "Service started successfully"
+	}
+	logger_trick &
+}
+
+stop_service() {
+	logger -p daemon.notice -t "privoxy[$(cat $PIDFILE)]" "Service shutdown"
+}