From 2e8e51060ffcc46bb1308d7eae4d2bc3456deacf Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Mon, 7 Nov 2005 01:12:51 +0000
Subject: add hotplug stuff to trunk/
SVN-Revision: 2364
---
.../default/usr/share/udhcpc/default.script | 73 ++++++++++++----------
1 file changed, 41 insertions(+), 32 deletions(-)
(limited to 'openwrt/package/base-files/default/usr/share/udhcpc')
diff --git a/openwrt/package/base-files/default/usr/share/udhcpc/default.script b/openwrt/package/base-files/default/usr/share/udhcpc/default.script
index 0c08985..9fac628 100755
--- a/openwrt/package/base-files/default/usr/share/udhcpc/default.script
+++ b/openwrt/package/base-files/default/usr/share/udhcpc/default.script
@@ -1,42 +1,51 @@
#!/bin/sh
-# udhcpc script edited by Tim Riker <Tim@Rikers.org>
-# (slightly modified for OpenWrt)
-
[ -z "$1" ] && echo "Error: should be run by udhcpc" && exit 1
RESOLV_CONF="/tmp/resolv.conf"
-case "$1" in
- deconfig)
- ifconfig $interface 0.0.0.0
- ;;
-
- renew|bound)
- ifconfig $interface $ip \
- netmask ${subnet:-255.255.255.0} \
- broadcast ${broadcast:-+}
-
- if [ -n "$router" ] ; then
- echo "deleting routers"
- while route del default gw 0.0.0.0 dev $interface ; do
- :
- done
-
- for i in $router ; do
- route add default gw $i dev $interface
- done
- fi
-
- echo -n > $RESOLV_CONF
- ${domain:+echo search $domain} >> $RESOLV_CONF
- for i in $dns ; do
- echo adding dns $i
- echo nameserver $i >> $RESOLV_CONF
+hotplug_event() {
+ nvram show 2>&- | grep _proto=dhcp | {
+ while :; do
+ read FOO
+ [ -z "$FOO" ] && break
+ FOO="${FOO%%_*}"
+ [ "$(nvram get ${FOO}_ifname)" = "${interface}" ] || continue
+ env -i ACTION="$1" INTERFACE="${FOO}" PROTO=dhcp /sbin/hotplug iface
+ done
+ }
+}
+case "$1" in
+ deconfig)
+ ifconfig $interface 0.0.0.0
+ hotplug_event ifdown
+ ;;
+ renew|bound)
+ ifconfig $interface $ip \
+ netmask ${subnet:-255.255.255.0} \
+ broadcast ${broadcast:-+}
+
+ if [ -n "$router" ] ; then
+ echo "deleting routers"
+ while route del default gw 0.0.0.0 dev $interface ; do :; done
+
+ for i in $router ; do
+ route add default gw $i dev $interface
+ done
+ fi
+
+ echo -n > $RESOLV_CONF
+ ${domain:+echo search $domain} >> $RESOLV_CONF
+ for i in $dns ; do
+ echo adding dns $i
+ echo nameserver $i >> $RESOLV_CONF
+ done
+
+ hotplug_event ifup
+
# user rules
[ -f /etc/udhcpc.user ] && . /etc/udhcpc.user
-
- done
- ;;
+ ;;
esac
+
exit 0
--
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