net/dhcp/files/dhcpd.init

   1 #!/bin/sh /etc/rc.common
   2 START=60
   3
   4 lease_file=/tmp/dhcpd.leases
   5 config_file=/etc/dhcpd.conf
   6 pid_file=/var/run/dhcpd.pid
   7 hosts_file=/tmp/dhcpd.hosts
   8 dhcp_ifs=""
   9
  10 parse_dhcp() {
  11         local cfg="$1"
  12         config_get net "$cfg" interface
  13         [ -n "$net" ] || return 0
  14
  15         config_get_bool ignore "$1" ignore 0
  16         if [ "$ignore" -eq 1 ]; then return 0; fi
  17
  18         local dev
  19         network_get_device dev "$net" && append dhcp_ifs "$dev"
  20 }
  21
  22 parse_host_entry() {
  23                 local cfg="$1"
  24
  25                 config_get name "$cfg" name
  26
  27                 config_get ip "$cfg" ip
  28                 [ -n "$ip" ] || return 0
  29
  30         local i=0
  31                 config_get mac "$cfg" mac
  32                 for m in $mac; do
  33                 local hostid="$name"
  34                 if [ $i -ne 0 ]; then hostid="$name"_"$i"; fi
  35
  36                 echo "host $hostid {" >> "$hosts_file"
  37                 echo "hardware ethernet $m;" >> "$hosts_file"
  38                 echo "fixed-address $ip;" >> "$hosts_file"
  39                 echo "}" >> $hosts_file
  40
  41                 i=$((i+1))
  42         done
  43 }
  44
  45 init_config() {
  46         echo " #Automatically generated by dhcpd initscript, any modifications will be overwritten" > "$hosts_file"
  47
  48         . /lib/functions/network.sh
  49
  50         config_load dhcp
  51         config_foreach parse_host_entry host
  52         config_foreach parse_dhcp dhcp
  53 }
  54
  55 start() {
  56         if [ -e $pid_file ] ; then
  57             echo "  dhcpd already running with PID `cat $pid_file`"
  58             return 1
  59         fi
  60
  61         echo Starting isc-dhcpd
  62
  63         if [ ! -e $lease_file ]; then
  64                 echo "  Creating $lease_file"
  65                 touch $lease_file
  66         fi
  67
  68         /usr/sbin/dhcpd -q -cf $config_file -lf $lease_file
  69
  70         if [ $? -ne 0 ]; then
  71                 echo "  isc-dhcpd failed to start"
  72         fi
  73 }
  74
  75 stop() {
  76         echo "Stopping isc-dhcpd"
  77         if [ -e $pid_file ]; then
  78                 kill -KILL `cat $pid_file`
  79
  80                 if [ $? -ne 0 ]; then
  81                         echo "  PID " `cat $pid_file` not found
  82                         echo "  Is the DHCP server running?"
  83                 fi
  84
  85                 rm -f $pid_file
  86         else
  87                 echo "  $pid_file not found"
  88         fi
  89 }