xref: /freebsd/libexec/rc/rc.d/bridge (revision c8e7f78a3d28ff6e6223ed136ada8e1e2f34965e)
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#
26
27# PROVIDE: bridge
28# REQUIRE: netif ppp stf
29# KEYWORD: nojailvnet
30
31. /etc/rc.subr
32. /etc/network.subr
33
34name="bridge"
35desc="Network bridge setup"
36start_cmd="bridge_start"
37stop_cmd="bridge_stop"
38cmd=""
39
40glob_int() {
41	case "$1" in
42		$2 ) true ;;
43		* ) false ;;
44	esac
45}
46
47bridge_test() {
48	bridge=$1
49	iface=$2
50
51	eval interfaces=\$autobridge_${bridge}
52	if [ -n "${interfaces}" ]; then
53		for i in ${interfaces}; do
54			if glob_int $iface $i ; then
55				ifconfig $bridge $cmd $iface > /dev/null 2>&1
56				return
57			fi
58		done
59	fi
60}
61
62autobridge()
63{
64	if [ -n "${autobridge_interfaces}" ]; then
65		if [ -z "$iflist" ]; then
66			# We're operating as a general network start routine.
67			iflist="`list_net_interfaces`"
68		fi
69
70		for br in ${autobridge_interfaces}; do
71			for i in $iflist; do
72				bridge_test $br $i
73			done
74		done
75	fi
76}
77
78bridge_start()
79{
80	cmd="addm"
81	autobridge
82}
83
84bridge_stop()
85{
86	cmd="deletem"
87	autobridge
88}
89
90iflist=$2
91
92load_rc_config $name
93run_rc_command "$1"
94