src/initscripts/init.d/dhcp

   1 #!/bin/sh
   2 # Begin $rc_base/init.d/dhcp
   3
   4 # Based on sysklogd script from LFS-3.1 and earlier.
   5 # Rewritten by Gerard Beekmans  - gerard@linuxfromscratch.org
   6 # Modified for IPFire by Michael Tremer - mitch@ipfire.org
   7
   8 . /etc/sysconfig/rc
   9 . $rc_functions
  10 eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)
  11
  12 function flush_chains() {
  13         iptables -F DHCPGREENINPUT
  14         iptables -F DHCPGREENOUTPUT
  15         iptables -F DHCPBLUEINPUT
  16         iptables -F DHCPBLUEOUTPUT
  17 }
  18
  19 case "$1" in
  20         start)
  21                 flush_chains
  22
  23                 if [ -e /var/ipfire/dhcp/enable_green ]; then
  24                         devices="${GREEN_DEV}"
  25
  26                         iptables -A DHCPGREENINPUT  -i "${GREEN_DEV}" -j DHCPINPUT
  27                         iptables -A DHCPGREENOUTPUT -o "${GREEN_DEV}" -j DHCPOUTPUT
  28                 fi
  29                 if [ -e /var/ipfire/dhcp/enable_blue ]; then
  30                         devices+=" ${BLUE_DEV}"
  31
  32                         iptables -A DHCPBLUEINPUT  -i "${BLUE_DEV}" -j DHCPINPUT
  33                         iptables -A DHCPBLUEOUTPUT -o "${BLUE_DEV}" -j DHCPOUTPUT
  34                 fi
  35
  36                 boot_mesg "Starting DHCP Server..."
  37                 loadproc /usr/sbin/dhcpd -q ${devices}
  38
  39                 (sleep 5 && chmod 644 /var/run/dhcpd.pid) & # Fix because silly dhcpd creates its pid with mode 640
  40                 ;;
  41
  42         stop)
  43                 flush_chains
  44
  45                 boot_mesg "Stopping DHCP Server..."
  46                 killproc -p /var/run/dhcpd.pid /usr/sbin/dhcpd
  47                 if [ "$(ps -A | grep " dhcpd")" != "" ] ; then
  48                     # if fail use the hard way ...
  49                     boot_mesg "Killing DHCP Server..."
  50                     killall -w -s KILL /usr/sbin/dhcpd > /dev/null 2>&1
  51                     rm -f /var/run/dhcpd.pid > /dev/null 2>&1
  52                     echo_ok;
  53                     exit 0
  54                 fi
  55                 ;;
  56
  57         reload)
  58                 boot_mesg "Reloading DHCP Server..."
  59                 reloadproc /usr/sbin/dhcpd
  60                 ;;
  61
  62         restart)
  63                 $0 stop
  64                 sleep 1
  65                 $0 start
  66                 ;;
  67
  68         status)
  69                 statusproc /usr/sbin/dhcpd
  70                 ;;
  71
  72         *)
  73                 echo "Usage: $0 {start|stop|reload|restart|status}"
  74                 exit 1
  75                 ;;
  76 esac
  77
  78 # End $rc_base/init.d/dhcp