packages: rc-scripts-user/userscripts (NEW) - NEW: runs user-devined script...

[sparky]

Author: sparky                       Date: Mon Jan 31 01:21:57 2011 GMT
Module: packages                      Tag: HEAD
---- Log message:
- NEW: runs user-devined scripts on system startup

---- Files affected:
packages/rc-scripts-user:
   userscripts (NONE -> 1.1)  (NEW)

---- Diffs:

================================================================
Index: packages/rc-scripts-user/userscripts
diff -u /dev/null packages/rc-scripts-user/userscripts:1.1
--- /dev/null	Mon Jan 31 02:21:57 2011
+++ packages/rc-scripts-user/userscripts	Mon Jan 31 02:21:52 2011
@@ -0,0 +1,155 @@
+#!/bin/sh
+#
+# userscripts:	Executes user-defined events.
+#
+# Version:	$Revision$
+#
+# chkconfig:	345 99 01
+# description:	Executes $HOME/.config/init.d/* start on startup,
+#		and $HOME/.config/init.d/* stop on shutdown.
+
+. /etc/rc.d/init.d/functions
+
+ALLOWED=""
+BANNED=""
+STOP_WAIT_TIME=5
+NICE=15
+
+# subdirectory with user scripts
+scripts_dir=".config/init.d"
+
+if [ -f /etc/sysconfig/userscripts ]; then
+	. /etc/sysconfig/userscripts
+fi
+
+VALID_SHELLS=$(< /etc/shells)
+
+is_on_list()
+{
+	local word=$1
+	local list=$2
+
+	local IFS
+	unset IFS
+	for tword in $list; do
+		[ "$tword" = "$word" ] && return 0
+	done
+	return 1
+}
+
+is_allowed()
+{
+	local user=$1
+	local shell=$2
+
+	is_on_list "$shell" $VALID_SHELLS || return 1
+	if [ -n "$ALLOWED" ]; then
+		is_on_list "$user" $ALLOWED || return 1
+	fi
+	if [ -n "$BANNED" ]; then
+		is_on_list "$user" $BANNED && return 1
+	fi
+
+	return 0
+}
+
+run_scripts()
+{
+	local action="$1"
+
+	SCRIPTS_RUN=0
+	local IFS=":"
+	while read user pass uid gid name home shell; do
+		[ -d "$home/$scripts_dir" ] || continue
+
+		if ! is_allowed "$user" "$shell"; then
+			nls "User %s is not allowed to run scripts" "$user"
+			continue
+		fi
+
+		for script in "$home/$scripts_dir"/*; do
+
+			# skip backups
+			[[ $script == *~ ]] && continue
+			[[ $script == *.bak ]] && continue
+
+			show "Running %s %s as %s" "$script" "$action" "$user"
+			busy
+
+			if [ ! -x "$script" ]; then
+				fail
+				continue
+			fi
+
+			nice -n "$NICE" su - "$user" "$script" "$action" > /dev/null 2>&1 &
+			ok
+
+			: $((SCRIPTS_RUN++))
+		done
+	done < /etc/passwd
+}
+
+start()
+{
+	if [ -f /var/lock/subsys/userscripts ]; then
+		msg_already_running "User scripts"
+		return 1
+	fi
+
+	msg_starting "User scripts"; ok
+
+	run_scripts start
+
+	touch /var/lock/subsys/userscripts
+}
+
+stop()
+{
+	if [ ! -f /var/lock/subsys/userscripts ]; then
+		msg_not_running "User scripts"
+		return 2
+	fi
+
+	run_scripts stop
+
+	msg_stopping "User scripts"; busy
+
+	# give them some time to stop, but don't wait for finish
+	[ "$SCRIPTS_RUN" -gt 0 ] && sleep $STOP_WAIT_TIME
+	ok
+
+	rm -f /var/lock/subsys/userscripts
+}
+
+status()
+{
+	if [ -f /var/lock/subsys/userscripts ]; then
+		nls "User scripts should be running";
+	else
+		nls "User scripts should be stopped";
+	fi
+}
+
+RETVAL=0
+# See how we were called.
+case "$1" in
+	start)
+		start
+		;;
+	stop)
+		stop
+		;;
+  	status)
+		status
+		;;
+	restart|force-reload)
+		stop
+		start
+		exit $?
+		;;
+	*)
+		msg_usage "$0 {start|stop|restart|force-reload|status}"
+		exit 3
+esac
+
+exit $RETVAL
================================================================