openrc/etc.BSD/rc.devd

#!/bin/sh
# Copyright 2007 Roy Marples
# All rights reserved

# 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.

# Inform RC that we are in the background and hotplugged
export IN_BACKGROUND=yes
export IN_HOTPLUG=yes

getmedia() {
	ifconfig "$1" | while read line; do
		case "${line}" in
			media:" "*) echo "${line}"; return;;
		esac
	done
}

# Try and create an init script for network interfaces
if [ ! -e /etc/init.d/"$1" ]; then
	base=$(basename ${1%%.*})
	if [ "${base}" = "net" ]; then
		# We only create links for pyhsical interfaces
		[ -n "$(getmedia ${1#*.})" ] || exit 1
		base="net.lo0"
	fi
	if [ -e /etc/init.d/"${base}" -a "${base}" != "$1" ]; then
		ln -s "${base}" /etc/init.d/"$1"
	fi
fi

# Run the init script
exec /etc/init.d/"$1" "$2"