src/initscripts/system/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
  11 [ -e "/etc/sysconfig/dhcpd" ] && . /etc/sysconfig/dhcpd
  12
  13 eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)
  14 eval $(/usr/local/bin/readhash /var/ipfire/dhcp/settings)
  15
  16 function flush_chains() {
  17         iptables -F DHCPGREENINPUT
  18         iptables -F DHCPGREENOUTPUT
  19         iptables -F DHCPBLUEINPUT
  20         iptables -F DHCPBLUEOUTPUT
  21 }
  22
  23 case "$1" in
  24         start)
  25                 flush_chains
  26
  27                 if [ -n "${GREEN_DEV}" -a -e "/var/ipfire/dhcp/enable_green" ]; then
  28                         LISTEN_INTERFACES+=" ${GREEN_DEV}"
  29
  30                         iptables -A DHCPGREENINPUT  -i "${GREEN_DEV}" -j DHCPINPUT
  31                         iptables -A DHCPGREENOUTPUT -o "${GREEN_DEV}" -j DHCPOUTPUT
  32                 fi
  33                 if [ -n "${BLUE_DEV}" -a -e "/var/ipfire/dhcp/enable_blue" ]; then
  34                         LISTEN_INTERFACES+=" ${BLUE_DEV}"
  35
  36                         iptables -A DHCPBLUEINPUT  -i "${BLUE_DEV}" -j DHCPINPUT
  37                         iptables -A DHCPBLUEOUTPUT -o "${BLUE_DEV}" -j DHCPOUTPUT
  38                 fi
  39
  40                 boot_mesg "Starting DHCP Server..."
  41                 loadproc /usr/sbin/dhcpd -q ${LISTEN_INTERFACES}
  42
  43                 # Start Unbound DHCP Lease Bridge unless RFC2136 is used
  44                 if [ "${DNS_UPDATE_ENABLED}" != on ]; then
  45                         boot_mesg "Starting Unbound DHCP Leases Bridge..."
  46                         loadproc /usr/sbin/unbound-dhcp-leases-bridge -d
  47                 fi
  48
  49                 (sleep 5 && chmod 644 /var/run/dhcpd.pid) & # Fix because silly dhcpd creates its pid with mode 640
  50                 ;;
  51
  52         stop)
  53                 flush_chains
  54
  55                 boot_mesg "Stopping DHCP Server..."
  56                 killproc -p /var/run/dhcpd.pid /usr/sbin/dhcpd
  57                 if [ "$(ps -A | grep " dhcpd")" != "" ] ; then
  58                     # if fail use the hard way ...
  59                     boot_mesg "Killing DHCP Server..."
  60                     killall -w -s KILL /usr/sbin/dhcpd > /dev/null 2>&1
  61                     rm -f /var/run/dhcpd.pid > /dev/null 2>&1
  62                     echo_ok;
  63                 fi
  64
  65                 boot_mesg "Stopping Unbound DHCP Leases Bridge..."
  66                 killproc /usr/sbin/unbound-dhcp-leases-bridge
  67                 ;;
  68
  69         reload)
  70                 boot_mesg "Reloading DHCP Server..."
  71                 reloadproc /usr/sbin/dhcpd
  72                 ;;
  73
  74         restart)
  75                 $0 stop
  76                 sleep 1
  77                 $0 start
  78                 ;;
  79
  80         status)
  81                 statusproc /usr/sbin/dhcpd
  82                 statusproc /usr/sbin/unbound-dhcp-leases-bridge
  83                 ;;
  84
  85         *)
  86                 echo "Usage: $0 {start|stop|reload|restart|status}"
  87                 exit 1
  88                 ;;
  89 esac
  90
  91 # End $rc_base/init.d/dhcp