rc.syshook

#!/bin/sh

# Copyright (c) 2015-2018 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.

# Scripts are sorted and should adhere to the
# following rule of thumb: "dd-identifier.level", for
# core package syshooks generally "20-mycorehook.start"
# and for plugin packages rather "50-mypluginhook.stop".
#
# It could be useful for the user to order scripts
# or set a higher/lower priority in case some
# use case requires a slightly different setup.
#
# Arguments beyond the syshook level are passed on to
# the to be executed scripts.
#
# The syshook level can be given as a suffix or is implied
# via the subdirectory used.  For backwards compat the
# suffix is moved to the new subdirectory during a request.

PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/bin:/usr/local/sbin
REQUESTS_CA_BUNDLE=/usr/local/etc/ssl/cert.pem
SYSDIR="/usr/local/etc/rc.syshook.d"
SYSLEVEL="${1}"

shift

if [ -z "${SYSLEVEL}" ]; then
	# we don't know of a default
	exit 1
fi

if [ ! -d ${SYSDIR}/${SYSLEVEL} ]; then
	# no dir no fun
	exit 0
fi

SYSHOOKS="$(find -s ${SYSDIR}/${SYSLEVEL} -type f})"
RETURN=0

for _SYSHOOK in ${SYSHOOKS}; do
	SYSHOOK=${_SYSHOOK##"${SYSDIR}/"}
	SYSHOOK=${SYSHOOK##"${SYSLEVEL}/"}
	SYSNAME=${SYSHOOK#??-}

	echo ">>> Invoking ${SYSLEVEL} script '${SYSNAME}'"

	if ! ${_SYSHOOK} "${@}"; then
		echo ">>> Error in ${SYSLEVEL} script '${SYSHOOK}'"
		RETURN=1
	fi
done

exit ${RETURN}