static_arp revision 197697 
1#!/bin/sh
2#
3# Copyright (c) 2009  Xin LI <delphij@FreeBSD.org>
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14#
15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25# SUCH DAMAGE.
26#
27# Configure static ARP table
28#
29# $FreeBSD: head/etc/rc.d/static_arp 197697 2009-10-02 02:24:25Z hrs $
30#
31
32# PROVIDE: static_arp
33# REQUIRE: netif
34# KEYWORD: nojail
35
36. /etc/rc.subr
37. /etc/network.subr
38
39name="static_arp"
40start_cmd="static_arp_start"
41stop_cmd="static_arp_stop"
42
43static_arp_start()
44{
45	local e arp_args
46
47	afexists inet || return 0
48
49	if [ -n "${static_arp_pairs}" ]; then
50		echo -n 'Binding static ARP pair(s):'
51		for e in ${static_arp_pairs}; do
52			echo -n " ${e}"
53			eval arp_args=\$static_arp_${e}
54			arp -S ${arp_args} >/dev/null 2>&1
55		done
56		echo '.'
57	fi
58}
59
60static_arp_stop()
61{
62	local e arp_args
63
64	afexists inet || return 0
65
66	if [ -n "${static_arp_pairs}" ]; then
67		echo -n 'Unbinding static ARP pair(s):'
68		for e in ${static_arp_pairs}; do
69			echo -n " ${e}"
70			eval arp_args=\$static_arp_${e}
71			arp -d ${arp_args%%[ 	]*} > /dev/null 2>&1
72		done
73		echo '.'
74	fi
75}
76
77load_rc_config $name
78run_rc_command "$1"
79