src/initscripts/init.d/networking/dhcpcd.exe

   1 ########################################################################
   2 # Begin
   3 #
   4 # Description : DHCP Client Script
   5 #
   6 # Authors     : Arne Fitzenreiter - arne_f@ipfire.org
   7 #
   8 # Version     : 02.00
   9 #
  10 # Notes       :
  11 #
  12 ########################################################################
  13
  14 . /etc/sysconfig/rc
  15 . $rc_functions
  16
  17
  18 eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)
  19 eval $(/usr/local/bin/readhash /var/ipfire/dns/settings)
  20
  21 dhcpcd_up()
  22 {
  23         set | grep "^new_" | sed "s|^new_||g" | \
  24         sort > /var/ipfire/dhcpc/dhcpcd-$interface.info
  25
  26         # Only if RED_TYPE=DHCP update /var/ipfire/red
  27         if [ "$RED_TYPE" == "DHCP" ]; then
  28
  29                 #Check if we have to restart the services at update
  30                 [ ! -e "/var/ipfire/red/active" ] update=1;
  31                 if [ "$old_domain_name_service" != "$new_domain_name_service" ]; then
  32                         update=1;
  33                 fi
  34                 if [ "$old_ip_address" != "$new_ip_address" ]; then
  35                         update=1;
  36                 fi
  37                 if [ "$old_routers" != "$new_routers" ]; then
  38                         update=1;
  39                 fi
  40
  41                 #Get DNS from dhcp
  42                 if [ -n "$DNS0" ] && [ -n "$DNS1" ]; then
  43                         logger -p local0.info -t dhcpcd.exe[$$] "Overwritting DNS-Server addresses with ${DNS0},${DNS1}"
  44                         echo -n ${DNS0} > /var/ipfire/red/dns1
  45                         echo -n ${DNS1} > /var/ipfire/red/dns2
  46                 else
  47                         echo -n `/etc/rc.d/helper/getdnsfromdhcpc.pl 1` > /var/ipfire/red/dns1
  48                         echo -n `/etc/rc.d/helper/getdnsfromdhcpc.pl 2` > /var/ipfire/red/dns2
  49                 fi
  50
  51                 #Get IP Address
  52                 echo -n "$new_ip_address"  > /var/ipfire/red/local-ipaddress
  53
  54                 #Get default gateway
  55                 grep -v " gateway$" /etc/hosts > /tmp/hosts
  56                 echo "$new_routers gateway"  >> /tmp/hosts
  57                 mv /tmp/hosts /etc/hosts
  58
  59         fi
  60         if [ $update ]; then
  61                 [ -e "/var/ipfire/red/active" ] || touch /var/ipfire/red/active
  62                 echo -n "$new_routers" > /var/ipfire/red/remote-ipaddress
  63                 logger -p local0.info -t dhcpcd.exe[$$] "$interface has been (re)configured with IP=$new_ip_address"
  64                 run_subdir ${rc_base}/init.d/networking/red.up/
  65                 touch /var/ipfire/red/active
  66         fi
  67 }
  68
  69 dhcpcd_down()
  70 {
  71         set | grep "^new_" | sed "s|^new_||g" | \
  72         sort > /var/ipfire/dhcpc/dhcpcd-$interface.info
  73
  74         # Only if RED_TYPE=DHCP update /var/ipfire/red
  75         if [ "$RED_TYPE" == "DHCP" ]; then
  76                 logger -p local0.info -t dhcpcd.exe[$$] "${interface} has been brought down"
  77                 rm -f /var/ipfire/red/active
  78                 run_subdir ${rc_base}/init.d/networking/red.down/
  79         fi
  80 }
  81
  82 case "$reason" in
  83 BOUND|INFORM|REBIND|REBOOT|RENEW|TIMEOUT|STATIC)        dhcpcd_up;;
  84 PREINIT|EXPIRE|FAIL|IPV4LL|NAK|NOCARRIER|RELEASE|STOP)  dhcpcd_down;;
  85 esac