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         #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                 #Force MTU option for KabelDeutschland because this ISP
  35                 #set the MTU to 576 instead of the supportet 1500
  36                 if [ $RED_DHCP_FORCE_MTU -ge 576 ]; then
  37                         logger -p local0.info -t dhcpcd.exe[$$] "Force mtu to $RED_DHCP_FORCE_MTU"
  38                         ip link set $interface mtu $RED_DHCP_FORCE_MTU
  39                 fi
  40
  41                 #Check if we have to restart the services at update
  42                 [ ! -e "/var/ipfire/red/active" ] && update=1;
  43                 if [ "$old_domain_name_service" != "$new_domain_name_service" ]; then
  44                         update=1;
  45                 fi
  46                 if [ "$old_ip_address" != "$new_ip_address" ]; then
  47                         update=1;
  48                 fi
  49                 if [ "$old_routers" != "$new_routers" ]; then
  50                         update=1;
  51                 fi
  52
  53                 #Get DNS from dhcp
  54                 if [ -n "$DNS0" ] && [ -n "$DNS1" ]; then
  55                         logger -p local0.info -t dhcpcd.exe[$$] "Overwritting DNS-Server addresses with ${DNS0},${DNS1}"
  56                         echo -n ${DNS0} > /var/ipfire/red/dns1
  57                         echo -n ${DNS1} > /var/ipfire/red/dns2
  58                 else
  59                         echo -n `/etc/rc.d/helper/getdnsfromdhcpc.pl 1` > /var/ipfire/red/dns1
  60                         echo -n `/etc/rc.d/helper/getdnsfromdhcpc.pl 2` > /var/ipfire/red/dns2
  61                 fi
  62
  63                 #Get IP Address
  64                 echo -n "$new_ip_address"  > /var/ipfire/red/local-ipaddress
  65
  66                 #Get default gateway
  67                 grep -v -E "\<gateway\>" /etc/hosts > /tmp/hosts
  68                 echo "$new_routers      gateway"  >> /tmp/hosts
  69                 mv /tmp/hosts /etc/hosts
  70
  71         fi
  72         if [ $update ]; then
  73                 [ -e "/var/ipfire/red/active" ] || touch /var/ipfire/red/active
  74                 echo -n "$new_routers" > /var/ipfire/red/remote-ipaddress
  75                 logger -p local0.info -t dhcpcd.exe[$$] "$interface has been (re)configured with IP=$new_ip_address"
  76                 run_subdir ${rc_base}/init.d/networking/red.up/
  77                 touch /var/ipfire/red/active
  78         fi
  79 }
  80
  81 dhcpcd_down()
  82 {
  83         set | grep "^new_" | sed "s|^new_||g" | \
  84         sort > /var/ipfire/dhcpc/dhcpcd-$interface.info
  85
  86         # Only if RED_TYPE=DHCP update /var/ipfire/red
  87         if [ "$RED_TYPE" == "DHCP" ]; then
  88                 logger -p local0.info -t dhcpcd.exe[$$] "${interface} has been brought down"
  89                 rm -f /var/ipfire/red/active
  90                 run_subdir ${rc_base}/init.d/networking/red.down/
  91         fi
  92 }
  93
  94 case "$reason" in
  95 BOUND|INFORM|REBIND|REBOOT|RENEW|TIMEOUT|STATIC)        dhcpcd_up;;
  96 PREINIT|EXPIRE|FAIL|IPV4LL|NAK|NOCARRIER|RELEASE|STOP)  dhcpcd_down;;
  97 esac