src/initscripts/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         #Check if this was the Red device...
  27         if [ ! "$interface" == "$RED_DEV" ]; then
  28                 exit 0;
  29         fi
  30
  31         # Only if RED_TYPE=DHCP update /var/ipfire/red
  32         if [ "$RED_TYPE" == "DHCP" ]; then
  33
  34                 #Check if we have to restart the services at update
  35                 [ ! -e "/var/ipfire/red/active" ] && update=1;
  36                 if [ "$old_domain_name_service" != "$new_domain_name_service" ]; then
  37                         update=1;
  38                 fi
  39                 if [ "$old_ip_address" != "$new_ip_address" ]; then
  40                         update=1;
  41                 fi
  42                 if [ "$old_routers" != "$new_routers" ]; then
  43                         update=1;
  44                 fi
  45
  46                 #Get DNS from dhcp
  47                 if [ -n "$DNS0" ] && [ -n "$DNS1" ]; then
  48                         logger -p local0.info -t dhcpcd.exe[$$] "Overwritting DNS-Server addresses with ${DNS0},${DNS1}"
  49                         echo -n ${DNS0} > /var/ipfire/red/dns1
  50                         echo -n ${DNS1} > /var/ipfire/red/dns2
  51                 else
  52                         echo -n `/etc/rc.d/helper/getdnsfromdhcpc.pl 1` > /var/ipfire/red/dns1
  53                         echo -n `/etc/rc.d/helper/getdnsfromdhcpc.pl 2` > /var/ipfire/red/dns2
  54                 fi
  55
  56                 #Get IP Address
  57                 echo -n "$new_ip_address"  > /var/ipfire/red/local-ipaddress
  58
  59                 #Get default gateway
  60                 grep -v -E "\<gateway\>" /etc/hosts > /tmp/hosts
  61                 echo "$new_routers      gateway"  >> /tmp/hosts
  62                 mv /tmp/hosts /etc/hosts
  63
  64         fi
  65         if [ $update ]; then
  66                 [ -e "/var/ipfire/red/active" ] || touch /var/ipfire/red/active
  67                 echo -n "$new_routers" > /var/ipfire/red/remote-ipaddress
  68                 logger -p local0.info -t dhcpcd.exe[$$] "$interface has been (re)configured with IP=$new_ip_address"
  69                 run_subdir ${rc_base}/init.d/networking/red.up/
  70                 touch /var/ipfire/red/active
  71         fi
  72 }
  73
  74 dhcpcd_down()
  75 {
  76         set | grep "^new_" | sed "s|^new_||g" | \
  77         sort > /var/ipfire/dhcpc/dhcpcd-$interface.info
  78
  79         # Only if RED_TYPE=DHCP update /var/ipfire/red
  80         if [ "$RED_TYPE" == "DHCP" ]; then
  81                 logger -p local0.info -t dhcpcd.exe[$$] "${interface} has been brought down"
  82                 rm -f /var/ipfire/red/active
  83                 run_subdir ${rc_base}/init.d/networking/red.down/
  84         fi
  85 }
  86
  87 case "$reason" in
  88 BOUND|INFORM|REBIND|REBOOT|RENEW|TIMEOUT|STATIC)        dhcpcd_up;;
  89 PREINIT|EXPIRE|FAIL|IPV4LL|NAK|NOCARRIER|RELEASE|STOP)  dhcpcd_down;;
  90 esac