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1 #!/bin/sh

2

3 # udhcpc script edited by Tim Riker <Tim@Rikers.org>

4

5 [ -z "$1" ] && echo "Error: should be called from udhcpc" && exit 1

6

7 [ "$subnet" == "255.255.255.255" ] && subnet="255.255.0.0" # qemu/ipv6 weirdness

8 RESOLV_CONF="/etc/resolv.conf"

9 [ -n "$broadcast" ] && BROADCAST="broadcast $broadcast"

10 [ -n "$subnet" ] && NETMASK="netmask $subnet"

11

12 netfs()

13 {

14 /bin/grep -qe '\(:.* /\|httpfs\|nfs\|smbfs\|ncp\|coda\)' /proc/mounts

15 }

16

17 logger "$0 interface=$interface ip=$ip broadcast=$broadcast subnet=$subnet router=$router domain=$domain dns=$dns $@"

18

19 skip=$(sed "/skipdhcpip=/!d;s/.*skipdhcpip=\([^ ]*\).*/\1/" </proc/cmdline)

20 [ -n "$skip" ] && case "$ip" in $skip*) exit 0;; esac

21

22 case "$1" in

23 deconfig)

24 netfs || /sbin/ifconfig $interface 0.0.0.0

25 for i in /etc/ipdown.d/*; do

26 [ -x $i ] && $i $interface

27 done

28 ;;

29

30 renew|bound)

31 /sbin/ifconfig $interface $ip $BROADCAST $NETMASK

32

33 if [ -n "$router" ] ; then

34 echo "deleting routers"

35 while route del default gw 0.0.0.0 dev $interface 2>/dev/null; do

36 :

37 done

38

39 metric=0

40 for i in $router ; do

41 route add default gw $i dev $interface metric $((metric++)) 2>/dev/null

42 done

43 fi

44

45 echo -n > $RESOLV_CONF

46 [ -n "$domain" ] && echo search $domain >> $RESOLV_CONF

47 for i in $dns ; do

48 echo adding dns $i

49 echo nameserver $i >> $RESOLV_CONF

50 done

51 [ "$1" == "bound" ] && for i in /etc/ipup.d/*; do

52 [ -x $i ] && $i $interface $ip $dns

53 done

54 ;;

55 esac

56

57 exit 0