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

15 }

16

17 logger "$0 interface=$interface ip=$ip ipv6=$ipv6 broadcast=$broadcast subnet=$subnet ipv6prefix=$ipv6prefix router=$router domain=$domain dns=$dns fqdn=$fqdn $@"

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 if !netfs; then

25 ifconfig $interface 0.0.0.0

26 ip -6 addr flush dev $interface

27 fi

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

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

30 done

31 ;;

32

33 renew|bound)

34 if [ ${ip/:/} == $ip ];

35 ifconfig $interface $ip $BROADCAST $NETMASK

36 else

37 ip -6 addr add ${ip}/${ipv6prefix#*/} dev $interface

38 fi

39

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

41 echo "deleting routers"

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

43 :

44 done

45 [ ${ip/:/} != $ip ] && ip -6 route flush dev $interface

46

47 metric=0

48 for i in $router ; do

49 if [ ${ip/:/} == $ip ]; then

50 route add default gw $i dev $interface metric $((metric++))

51 else

52 route -A inet6 add default gw $i dev $interface metric $((metric++))

53 fi

54 done 2>/dev/null

55 fi

56

57 echo -n > $RESOLV_CONF

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

59 for i in $dns ; do

60 echo adding dns $i

61 echo nameserver $i >> $RESOLV_CONF

62 done

63 [ "$1" == "bound" ] && for i in /etc/ipup.d/*; do

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

65 done

66 ;;

67 esac

68

69 exit 0