util-linux/examples/var_service/dhcp_if/run

   1 #!/bin/sh
   2
   3 exec 2>&1
   4 exec </dev/null
   5
   6 pwd="$PWD"
   7
   8 if="${PWD##*/dhcp_}"
   9
  10 echo "* Upping iface $if"
  11 ip link set dev "$if" up
  12
  13 echo "* Starting udhcpc"
  14 exec \
  15 env - PATH="$PATH" \
  16 softlimit \
  17 setuidgid root \
  18 udhcpc -vv \
  19 --hostname=null \
  20 --foreground \
  21 --interface="$if" \
  22 --pidfile="$pwd/udhcpc.pid" \
  23 --script="$pwd/dhcp_handler"