src/initscripts/networking/dhcpcd.exe

   1 ###############################################################################
   2 #                                                                             #
   3 # IPFire.org - A linux based firewall                                         #
   4 # Copyright (C) 2007-2022  IPFire Team  <info@ipfire.org>                     #
   5 #                                                                             #
   6 # This program is free software: you can redistribute it and/or modify        #
   7 # it under the terms of the GNU General Public License as published by        #
   8 # the Free Software Foundation, either version 3 of the License, or           #
   9 # (at your option) any later version.                                         #
  10 #                                                                             #
  11 # This program is distributed in the hope that it will be useful,             #
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  14 # GNU General Public License for more details.                                #
  15 #                                                                             #
  16 # You should have received a copy of the GNU General Public License           #
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  18 #                                                                             #
  19 ###############################################################################
  20
  21 . /etc/sysconfig/rc
  22 . $rc_functions
  23
  24 eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)
  25
  26 dhcpcd_up()
  27 {
  28         set | grep "^new_" | sed "s|^new_||g" | \
  29         sort > /var/ipfire/dhcpc/dhcpcd-$interface.info
  30
  31         #Check if this was the Red device...
  32         if [ ! "$interface" == "$RED_DEV" ]; then
  33                 exit 0;
  34         fi
  35
  36         # Only if RED_TYPE=DHCP update /var/ipfire/red
  37         if [ "$RED_TYPE" == "DHCP" ]; then
  38                 # Check if we have to restart the services at update
  39                 [ ! -e "/var/ipfire/red/active" ] && update=1;
  40                 if [ "$old_domain_name_service" != "$new_domain_name_service" ]; then
  41                         update=1;
  42                 fi
  43                 if [ "$old_ip_address" != "$new_ip_address" ]; then
  44                         update=1;
  45                 fi
  46                 if [ "$old_routers" != "$new_routers" ]; then
  47                         update=1;
  48                 fi
  49
  50                 # Get DNS from dhcp
  51                 /etc/rc.d/helper/getdnsfromdhcpc.pl 1 > /var/run/dns1
  52                 /etc/rc.d/helper/getdnsfromdhcpc.pl 2 > /var/run/dns2
  53
  54                 #Get IP Address
  55                 echo -n "$new_ip_address"  > /var/ipfire/red/local-ipaddress
  56
  57                 #Get default gateway
  58                 grep -v -E "\<gateway\>" /etc/hosts > /tmp/hosts
  59                 echo "$new_routers      gateway"  >> /tmp/hosts
  60                 mv /tmp/hosts /etc/hosts
  61
  62         fi
  63         if [ $update ]; then
  64                 [ -e "/var/ipfire/red/active" ] || touch /var/ipfire/red/active
  65                 echo -n "$new_routers" > /var/ipfire/red/remote-ipaddress
  66                 logger -p local0.info -t dhcpcd.exe[$$] "$interface has been (re)configured with IP=$new_ip_address"
  67                 run_subdir ${rc_base}/init.d/networking/red.up/
  68                 touch /var/ipfire/red/active
  69         fi
  70 }
  71
  72 dhcpcd_down()
  73 {
  74         set | grep "^new_" | sed "s|^new_||g" | \
  75         sort > /var/ipfire/dhcpc/dhcpcd-$interface.info
  76
  77         # Remove DNS servers
  78         rm -f /var/run/dns1 /var/run/dns2
  79
  80         # Only if RED_TYPE=DHCP update /var/ipfire/red
  81         if [ "$RED_TYPE" == "DHCP" ]; then
  82                 rm -f /var/ipfire/red/active
  83                 if [ ! $reason == "PREINIT" ]; then
  84                         logger -p local0.info -t dhcpcd.exe[$$] "${interface} has been brought down ($reason)"
  85                         run_subdir ${rc_base}/init.d/networking/red.down/
  86                 fi
  87         fi
  88 }
  89
  90 case "$reason" in
  91 BOUND|INFORM|REBIND|REBOOT|RENEW|TIMEOUT|STATIC)        dhcpcd_up;;
  92 PREINIT|EXPIRE|FAIL|IPV4LL|NAK|RELEASE|STOP)            dhcpcd_down;;
  93 esac