rc: add rc.syshook with early, start and stop hooks; closes #409

src/etc/rc

@@ -202,6 +202,9 @@ echo "done."
 # startup configd
 /usr/local/etc/rc.d/configd start
 
+# Execute the early syshook / plugin commands
+/usr/local/etc/rc.syshook early
+
 # let the PHP-based configuration subsystem set up the system now
 echo -n "Launching the init system..."
 rm -f /root/lighttpd*
@@ -216,6 +219,9 @@ if [ -f "/tmp/donotbootup" ]; then
 	exit 0
 fi
 
+# Execute the normal syshook / plugin commands
+/usr/local/etc/rc.syshook start
+
 echo -n "Starting CRON... "
 cd /tmp && /usr/sbin/cron -s 2>/dev/null
 echo "done."

src/etc/rc.halt.common

@@ -3,6 +3,9 @@
 # run beep sequence if enabled
 /usr/local/sbin/beep.sh stop
 
+# shutdown syshook / plugin scripts
+/usr/local/etc/rc.syshook stop
+
 # shutdown rc scripts
 /usr/local/etc/rc.opnsense stop
 

src/etc/rc.syshook

+#!/bin/sh
+
+# Copyright (c) 2015 Franco Fichtner <franco@opnsense.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+
+SYSDIR="/usr/local/etc/rc.syshook.d"
+SYSLEVEL="${1}"
+
+if [ -z "${SYSLEVEL}" ]; then
+	# we don't know of a default
+	exit 1;
+fi
+
+if [ ! -d ${SYSDIR} ]; then
+	# no dir no fun
+	exit 0;
+fi
+
+# collect all matching scripts
+SYSHOOKS=$(find ${SYSDIR} -type f -name "*.${SYSLEVEL}")
+
+for SYSHOOK in ${SYSHOOKS}; do
+	# extract syshook origin
+	SYSHOOK=${SYSHOOK##"${SYSDIR}/"}
+	SYSHOOK=${SYSHOOK%%".${SYSLEVEL}"}
+
+	echo "rc.syshook: launching ${SYSHOOK}.${SYSLEVEL}"
+
+	if ! ${SYSDIR}/${SYSHOOK}.${SYSLEVEL}; then
+		echo "rc.syshook: error in ${SYSHOOK}.${SYSLEVEL}"
+	fi
+done
+
+exit 0