pgl-nogui/if-up

   1 #!/bin/sh
   2 # if-up - insert pglcmd iptables whitelisting rules for newly brought up
   3 # interfaces.
   4 # Copyright (C) 2008 - 2010 jre <jre-phoenix@users.sourceforge.net>
   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 2 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 along
  17 # with this program; if not, write to the Free Software Foundation, Inc.,
  18 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19
  20 # If used with NetworkManager, then only continue if an interface is brought up
  21 # (not down). Ignored if this file is used otherwise (e.g. /etc/network/if-up.d
  22 # in Debian).
  23 if [ "$(dirname $0)" = /etc/NetworkManager/dispatcher.d ] ; then
  24         [ "$2" = up ] || [ "$2" = vpn-up ] || exit 0
  25 fi
  26
  27 ################################################################################
  28 # The following code is common between pglcmd, pglcmd.wd,
  29 # cron.daily, init and debian/postinst.
  30
  31 # if-up is similar, but exits successfully if CONTROL_MAIN is not there, yet.
  32 # This can happen in early boot stages before local file systems are mounted.
  33
  34 # CONTROL_MAIN has to be set correctly in all just mentioned files.
  35 CONTROL_MAIN="/usr/lib/pgl/pglcmd.main"
  36
  37 # Configure pglcmd and load functions.
  38 if [ -f "$CONTROL_MAIN" ] ; then
  39     . $CONTROL_MAIN || { echo "$0 Error: Failed to source $CONTROL_MAIN although this file exists."; exit 1; }
  40 else
  41     exit 0
  42 fi
  43
  44 # End of the common code between pglcmd, pglcmd.wd,
  45 # cron.daily, (if-up), init and debian/postinst.
  46 ################################################################################
  47
  48 test_root
  49 # If the daemon is not running, just exit gracefully:
  50 status_of_proc $DAEMON $NAME > /dev/null 2>&1 || exit 0
  51 test_IPTABLES_VARS
  52 # Exit if user doesn't want automatic whitelisting:
  53 [ "$IPTABLES_SETTINGS" -eq 0 ] && exit 0
  54 [ "$WHITE_LOCAL" -eq 0 ] && exit 0
  55 test_DAEMON
  56 test_CMD_PATHNAME
  57 test_external iptables || exit $?
  58
  59 # Automatically whitelist LAN of all up interfaces, loopback interface
  60 # and DNS server(s) (if configured)
  61 date +%F" "%X" "%Z" Begin: $0 whitelisting LAN" >> $CMD_LOG 2>&1
  62 white_local >> $CMD_LOG 2>&1
  63 date +%F" "%X" "%Z" End: $0 whitelisting LAN" >> $CMD_LOG 2>&1
  64
  65 exit 0