src/ppp/pppoe-server

   1 #!/bin/bash
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2012  IPFire Network Development Team                         #
   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 # This is a wrapper script which does some on-the-fly configuration of the
  23 # pppoe-server daemon, which does not support any configuration files.
  24
  25 LOG_FACILITY="pppoe-server"
  26 . /usr/lib/network/functions
  27
  28 zone=${1}
  29 assert zone_exists ${zone}
  30
  31 action=${2}
  32
  33 # Read the configuration file of this hook.
  34 config_read $(zone_dir ${zone})/configs/pppoe-server
  35 assert isset SUBNET
  36
  37 pppd_options="${RUN_DIR}/${zone}/pppoe-server-options"
  38 pool_file="${RUN_DIR}/${zone}/pppoe-server-pool"
  39
  40 case "${action}" in
  41         cleanup)
  42                 # Cleanup all temporary files.
  43                 rm -f ${pppd_options} ${pool_file}
  44
  45                 exit ${EXIT_OK}
  46                 ;;
  47
  48         *)
  49                 # Don't let the server fork to background.
  50                 pppoe_cmdline="-F"
  51
  52                 # Add the interface to listen to.
  53                 pppoe_cmdline="${pppoe_cmdline} -I ${zone}"
  54
  55                 # Enable kernel-mode PPPoE.
  56                 # (The version that is shipped with IPFire does not
  57                 # support the userspace implementation and therefore
  58                 # kernel-mode PPPoE is enabled by default).
  59                 #pppoe_cmdline="${pppoe_cmdline} -k"
  60
  61                 # Randomize session IDs.
  62                 pppoe_cmdline="${pppoe_cmdline} -r"
  63
  64                 # Add the service name.
  65                 if isset SERVICE_NAME; then
  66                         pppoe_cmdline="${pppoe_cmdline} -S ${SERVICE_NAME// /_}"
  67                 fi
  68
  69                 # Add the max. number of sessions per MAC address.
  70                 if [ ${MAX_SESSIONS} -gt 0 ]; then
  71                         pppoe_cmdline="${pppoe_cmdline} -x ${MAX_SESSIONS}"
  72                 fi
  73
  74                 # Create the pppoe-server-options file.
  75                 pppoe_server_options ${pppd_options} ${zone}
  76                 pppoe_cmdline="${pppoe_cmdline} -O ${pppd_options}"
  77
  78                 # Configure the IP addresses.
  79                 local_address=$(ipv4_get_network ${SUBNET})
  80                 pppoe_cmdline="${pppoe_cmdline} -L ${local_address}"
  81
  82                 # Create the address pool.
  83                 pppoe_server_poolfile ${pool_file} ${SUBNET}
  84                 pppoe_cmdline="${pppoe_cmdline} -p ${pool_file}"
  85
  86                 log INFO "Starting pppoe-server daemon..."
  87                 log DEBUG "pppoe-server options: ${pppoe_cmdline}"
  88
  89                 # Now exec the actual pppoe-server binary.
  90                 exec pppoe-server ${pppoe_cmdline}
  91
  92                 error "Could not execute pppoe-server. Exiting."
  93                 exit ${EXIT_ERROR}
  94         ;;
  95 esac
  96
  97 exit ${EXIT_ERROR}