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Index: busybox-1.15.1/examples/udhcp/simple.script
===================================================================
--- busybox-1.15.1.orig/examples/udhcp/simple.script 2009-09-16 22:52:09.000000000 +0200
+++ busybox-1.15.1/examples/udhcp/simple.script 2009-09-16 22:57:11.424608476 +0200
@@ -10,10 +10,17 @@ NETMASK=""
BROADCAST="broadcast +"
[ -n "$broadcast" ] && BROADCAST="broadcast $broadcast"
+# return 0 if root is mounted on a network filesystem
+root_is_nfs() {
+ grep -qe '^/dev/root.*\(nfs\|smbfs\|ncp\|coda\) .*' /proc/mounts
+}
+
case "$1" in
deconfig)
+ if ! root_is_nfs ; then
echo "Setting IP address 0.0.0.0 on $interface"
- ifconfig $interface 0.0.0.0
+ ifconfig $interface 0.0.0.0
+ fi
;;
renew|bound)
@@ -21,15 +28,18 @@ case "$1" in
ifconfig $interface $ip $NETMASK $BROADCAST
if [ -n "$router" ] ; then
- echo "Deleting routers"
- while route del default gw 0.0.0.0 dev $interface 2>/dev/null ; do
- :
- done
+ if ! root_is_nfs ; then
+ echo "Deleting routers"
+ while route del default gw 0.0.0.0 dev $interface 2>/dev/null ; do
+ :
+ done
+ :
+ done
metric=0
for i in $router ; do
echo "Adding router $i"
- route add default gw $i dev $interface metric $((metric++))
+ route add default gw $i dev $interface metric $((metric++)) 2>/dev/null
done
fi
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