src/ppp/ip-up

   1 #!/bin/sh
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2007  Michael Tremer & Christian Schmidt                      #
   6 #                                                                             #
   7 # This program is free software: you can redistribute it and/or modify        #
   8 # it under the terms of the GNU General Public License as published by        #
   9 # the Free Software Foundation, either version 3 of the License, or           #
  10 # (at your option) any later version.                                         #
  11 #                                                                             #
  12 # This program is distributed in the hope that it will be useful,             #
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  15 # GNU General Public License for more details.                                #
  16 #                                                                             #
  17 # You should have received a copy of the GNU General Public License           #
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  19 #                                                                             #
  20 ###############################################################################
  21
  22 . /etc/sysconfig/rc
  23 . $rc_functions
  24
  25 eval $(/usr/local/bin/readhash /var/ipfire/ppp/settings)
  26
  27 if [ "$TYPE" = "isdn" ]; then
  28         DNS1="${MS_DNS1}"
  29         DNS2="${MS_DNS2}"
  30 fi
  31
  32 # Write DNS servers to configuration
  33 echo "${DNS1}" > /var/run/dns1
  34 echo "${DNS2}" > /var/run/dns2
  35
  36 echo -n "$1" > /var/ipfire/red/iface
  37 echo -n "$4" > /var/ipfire/red/local-ipaddress
  38 echo -n "$5" > /var/ipfire/red/remote-ipaddress
  39 touch /var/ipfire/red/active
  40
  41 /sbin/ip route replace default via ${IPREMOTE} dev ppp0
  42 run_subdir ${rc_base}/init.d/networking/red.up/
  43
  44 #Check if gateway has answerd to ping, if not replace with ping.ipfire.org
  45 TEST=`/usr/bin/ping -c 2 $5 2>/dev/null | tail -2 | head -1 | cut -d"," -f2`;
  46
  47 grep -v -E "\<gateway\>" /etc/hosts > /tmp/hosts
  48
  49 if [ "$TEST" == " 2 received" ]; then
  50         #ping the ppp-gateway
  51         echo "$5        gateway" >> /tmp/hosts
  52 else
  53         #no answer
  54         HOST=`host ping.ipfire.org`;
  55         FIRE=`echo $HOST | cut -d" " -f4`;
  56         CHK=`echo $HOST | cut -d" " -f3`;
  57         if [ "$CHK" == "address" ]; then
  58             #use ping.ipfire.org
  59             echo "$FIRE gateway" >> /tmp/hosts
  60         else
  61             #DNS lookup failed use direct ip
  62             echo "81.3.27.38    gateway" >> /tmp/hosts
  63         fi
  64 fi
  65 mv /tmp/hosts /etc/hosts
  66