73 lines
2.2 KiB
Plaintext
73 lines
2.2 KiB
Plaintext
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#!/bin/sh
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# udhcpc script edited by Tim Riker <Tim@Rikers.org>
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[ -z "$1" ] && echo "Error: should be called from udhcpc" && exit 1
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RESOLV_CONF="/etc/resolv.conf"
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[ -n "$broadcast" ] && BROADCAST="broadcast $broadcast"
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[ -n "$subnet" ] && NETMASK="netmask $subnet"
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# return 0 if root is mounted on a network filesystem
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root_is_nfs() {
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grep -qe '^/dev/root.*\(nfs\|smbfs\|ncp\|coda\) .*' /proc/mounts
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}
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have_bin_ip=0
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if [ -x /bin/ip ]; then
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have_bin_ip=1
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fi
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case "$1" in
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deconfig)
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if ! root_is_nfs ; then
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if [ $have_bin_ip -eq 1 ]; then
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ip addr flush dev $interface
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ip link set dev $interface up
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else
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/sbin/ifconfig $interface 0.0.0.0
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fi
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fi
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;;
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renew|bound)
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if [ $have_bin_ip -eq 1 ]; then
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ip addr add dev $interface local $ip/$mask $BROADCAST
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else
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/sbin/ifconfig $interface $ip $BROADCAST $NETMASK
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fi
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if [ -n "$router" ] ; then
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if ! root_is_nfs ; then
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if [ $have_bin_ip -eq 1 ]; then
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while ip route del default 2>/dev/null ; do
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:
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done
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else
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while route del default gw 0.0.0.0 dev $interface 2>/dev/null ; do
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:
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done
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fi
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fi
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metric=0
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for i in $router ; do
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if [ $have_bin_ip -eq 1 ]; then
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ip route add default via $i metric $((metric++))
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else
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route add default gw $i dev $interface metric $((metric++)) 2>/dev/null
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fi
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done
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fi
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echo -n > $RESOLV_CONF
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[ -n "$domain" ] && echo search $domain >> $RESOLV_CONF
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for i in $dns ; do
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echo adding dns $i
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echo nameserver $i >> $RESOLV_CONF
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done
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;;
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esac
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exit 0
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