1#!/bin/sh
2#
3# Copyright (c) 2006 The FreeBSD Project. All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions
7# are met:
8# 1. Redistributions of source code must retain the above copyright
9#    notice, this list of conditions and the following disclaimer.
10# 2. Redistributions in binary form must reproduce the above copyright
11#    notice, this list of conditions and the following disclaimer in the
12#    documentation and/or other materials provided with the distribution.
13#
14# THIS SOFTWARE IS PROVIDED BY THE PROJECT ``AS IS'' AND ANY EXPRESS OR
15# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17# IN NO EVENT SHALL THE PROJECT BE LIABLE FOR ANY DIRECT, INDIRECT,
18# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24#
25# $FreeBSD$
26#
27
28# PROVIDE: bridge
29# REQUIRE: netif ppp stf
30# KEYWORD: nojail
31
32. /etc/rc.subr
33. /etc/network.subr
34
35name="bridge"
36desc="Network bridge setup"
37start_cmd="bridge_start"
38stop_cmd="bridge_stop"
39cmd=""
40
41glob_int() {
42	case "$1" in
43		$2 ) true ;;
44		* ) false ;;
45	esac
46}
47
48bridge_test() {
49	bridge=$1
50	iface=$2
51
52	eval interfaces=\$autobridge_${bridge}
53	if [ -n "${interfaces}" ]; then
54		for i in ${interfaces}; do
55			if glob_int $iface $i ; then
56				ifconfig $bridge $cmd $iface > /dev/null 2>&1
57				return
58			fi
59		done
60	fi
61}
62
63autobridge()
64{
65	if [ -n "${autobridge_interfaces}" ]; then
66		if [ -z "$iflist" ]; then
67			# We're operating as a general network start routine.
68			iflist="`list_net_interfaces`"
69		fi
70
71		for br in ${autobridge_interfaces}; do
72			for i in $iflist; do
73				bridge_test $br $i
74			done
75		done
76	fi
77}
78
79bridge_start()
80{
81	cmd="addm"
82	autobridge
83}
84
85bridge_stop()
86{
87	cmd="deletem"
88	autobridge
89}
90
91iflist=$2
92
93load_rc_config $name
94run_rc_command "$1"
95