53 lines
1.1 KiB
Bash
Executable file
53 lines
1.1 KiB
Bash
Executable file
#!/bin/sh
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[ -z "$1" ] && echo "Error: should be run by udhcpc" && exit 1
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RESOLV_CONF="/tmp/resolv.conf"
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hotplug_event() {
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nvram show 2>&- | grep _proto=dhcp | {
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while :; do
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read FOO
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[ -z "$FOO" ] && break
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FOO="${FOO%%_*}"
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[ "$(nvram get ${FOO}_ifname)" = "${interface}" ] || continue
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env -i ACTION="$1" INTERFACE="${FOO}" PROTO=dhcp /sbin/hotplug iface
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done
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}
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}
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case "$1" in
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deconfig)
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ifconfig $interface 0.0.0.0
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hotplug_event ifdown
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;;
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renew|bound)
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ifconfig $interface $ip \
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netmask ${subnet:-255.255.255.0} \
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broadcast ${broadcast:-+}
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if [ -n "$router" ] ; then
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if [ "$router" != "$(route -n | grep '^0.0.0.0' | grep $interface | awk '{ print $2 }')" ] ; then
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echo "deleting routers"
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while route del default gw 0.0.0.0 dev $interface ; do :; done
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for i in $router ; do
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route add default gw $i dev $interface
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done
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fi
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fi
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echo -n > $RESOLV_CONF
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${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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hotplug_event ifup
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# user rules
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[ -f /etc/udhcpc.user ] && . /etc/udhcpc.user
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;;
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esac
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exit 0
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