Author: delphij
Date: Tue Aug 25 19:07:26 2009
New Revision: 196550
URL: http://svn.freebsd.org/changeset/base/196550
Log:
Add a new rc.d script, static_arp, which enables the administrator to
statically bind IPv4 <-> MAC address at boot time.
In order to use this, the administrator needs to configure the following
rc.conf(5) variable:
- static_arp_pairs: A list of names for static bind pairs, and,
- a series of static_arp_(name): the arguments that is being passed to
``arp -S'' operation.
Example:
static_arp_pairs="gw"
static_arp_gw="192.168.1.1 00:01:02:03:04:05"
See the rc.conf(5) manual page for more details.
Reviewed by: -rc@
MFC after: 2 weeks
Added:
head/etc/rc.d/static_arp (contents, props changed)
Modified:
head/etc/defaults/rc.conf
head/etc/rc.d/Makefile
head/share/man/man5/rc.conf.5
Modified: head/etc/defaults/rc.conf
==============================================================================
--- head/etc/defaults/rc.conf Tue Aug 25 19:04:22 2009 (r196549)
+++ head/etc/defaults/rc.conf Tue Aug 25 19:07:26 2009 (r196550)
@@ -357,6 +357,7 @@ bsnmpd_flags="" # Flags for bsnmpd.
### Network routing options: ###
defaultrouter="NO" # Set to default gateway (or NO).
+static_arp_pairs="" # Set to static ARP list (or leave empty).
static_routes="" # Set to static route list (or leave empty).
natm_static_routes="" # Set to static route list for NATM (or leave
empty).
gateway_enable="NO" # Set to YES if this host will be a gateway.
Modified: head/etc/rc.d/Makefile
==============================================================================
--- head/etc/rc.d/Makefile Tue Aug 25 19:04:22 2009 (r196549)
+++ head/etc/rc.d/Makefile Tue Aug 25 19:07:26 2009 (r196550)
@@ -32,7 +32,7 @@ FILES= DAEMON FILESYSTEMS LOGIN NETWORKI
random rarpd resolv rfcomm_pppd_server root \
route6d routed routing rpcbind rtadvd rwho \
savecore sdpd securelevel sendmail \
- serial sppp statd swap1 \
+ serial sppp statd static_arp swap1 \
syscons sysctl syslogd \
timed tmp \
ugidfw \
Added: head/etc/rc.d/static_arp
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/etc/rc.d/static_arp Tue Aug 25 19:07:26 2009 (r196550)
@@ -0,0 +1,71 @@
+#!/bin/sh
+#
+# Copyright (c) 2009 Xin LI <delp...@freebsd.org>
+# 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.
+#
+# Configure static ARP table
+#
+# $FreeBSD$
+#
+
+# PROVIDE: static_arp
+# REQUIRE: netif
+# KEYWORD: nojail
+
+. /etc/rc.subr
+
+name="static_arp"
+start_cmd="static_arp_start"
+stop_cmd="static_arp_stop"
+
+static_arp_start()
+{
+ if [ -n "${static_arp_pairs}" ]; then
+ echo -n 'Binding static ARP pair(s):'
+ for e in ${static_arp_pairs}; do
+ local arp_args
+ echo -n " ${e}"
+ eval arp_args=\$static_arp_${e}
+ arp -S ${arp_args} >/dev/null 2>&1
+ done
+ echo '.'
+ fi
+}
+
+static_arp_stop()
+{
+ if [ -n "${static_arp_pairs}" ]; then
+ echo -n 'Unbinding static ARP pair(s):'
+ for e in ${static_arp_pairs}; do
+ local arp_args
+ echo -n " ${e}"
+ eval arp_args=\$static_arp_${e}
+ arp -d ${arp_args%%[ ]*} > /dev/null 2>&1
+ done
+ echo '.'
+ fi
+}
+
+load_rc_config $name
+run_rc_command "$1"
Modified: head/share/man/man5/rc.conf.5
==============================================================================
--- head/share/man/man5/rc.conf.5 Tue Aug 25 19:04:22 2009
(r196549)
+++ head/share/man/man5/rc.conf.5 Tue Aug 25 19:07:26 2009
(r196550)
@@ -24,7 +24,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd April 10, 2009
+.Dd August 25, 2009
.Dt RC.CONF 5
.Os
.Sh NAME
@@ -2227,6 +2227,22 @@ name server!).
.Pq Vt str
The IPv6 equivalent of
.Va defaultrouter .
+.It Va static_arp_pairs
+.Pq Vt str
+Set to the list of static ARP pairs that are to be added at system
+boot time.
+For each whitespace separated
+.Ar element
+in the value, a
+.Va static_arp_ Ns Aq Ar element
+variable is assumed to exist whose contents will later be passed to a
+.Dq Nm arp Cm -S
+operation.
+For example
+.Bd -literal
+static_arp_pairs="gw"
+static_arp_gw="192.168.1.1 00:01:02:03:04:05"
+.Ed
.It Va static_routes
.Pq Vt str
Set to the list of static routes that are to be added at system
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