src/hooks/zones/bridge.configs/pppoe-server

   1 #!/bin/bash
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2010  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 . /usr/lib/network/header-config
  23
  24 HOOK_SETTINGS="HOOK MTU SERVICE_NAME SUBNET MAX_SESSIONS"
  25
  26 # Maximum Transmission Unit.
  27 MTU=1492
  28
  29 # Service Name.
  30 SERVICE_NAME=
  31
  32 # A subnet. Addresses from this subnet will be given to the remote hosts.
  33 # The net address will be the gateway address for the PPPoE server.
  34 SUBNET=
  35
  36 # Defines the max. number of sessions per MAC address.
  37 # 0 = unlimited.
  38 MAX_SESSIONS=0
  39
  40 function hook_check() {
  41         assert isset MTU
  42         assert isset SUBNET
  43         assert isset MAX_SESSIONS
  44 }
  45
  46 function hook_create() {
  47         local zone=${1}
  48         shift
  49
  50         while [ $# -gt 0 ]; do
  51                 case "${1}" in
  52                         --max-sessions=*)
  53                                 MAX_SESSIONS=$(cli_get_val ${1})
  54                                 ;;
  55                         --mtu=*)
  56                                 MTU=$(cli_get_val ${1})
  57                                 ;;
  58                         --service-name=*)
  59                                 SERVICE_NAME=$(cli_get_val ${1})
  60                                 ;;
  61                         --subnet=*)
  62                                 SUBNET=$(cli_get_val ${1})
  63                                 ;;
  64                 esac
  65                 shift
  66         done
  67
  68         config_write $(zone_dir ${zone})/configs/${HOOK} ${HOOK_SETTINGS}
  69
  70         exit ${EXIT_OK}
  71 }
  72
  73 function hook_up() {
  74         local zone=${1}
  75         local config=${2}
  76         shift 2
  77
  78         # Start the PPPoE server.
  79         pppoe_server_start ${zone}
  80
  81         exit ${EXIT_OK}
  82 }
  83
  84 function hook_down() {
  85         local zone=${1}
  86         local config=${2}
  87         shift 2
  88
  89         if ! device_exists ${zone}; then
  90                 error "Zone '${zone}' doesn't exist."
  91                 exit ${EXIT_ERROR}
  92         fi
  93
  94         # Stop the PPPoE server.
  95         pppoe_server_stop ${zone}
  96
  97         exit ${EXIT_OK}
  98 }
  99
 100 function hook_status() {
 101         local zone=${1}
 102         local config=${2}
 103         shift 2
 104
 105         if ! device_exists ${zone}; then
 106                 error "Zone '${zone}' doesn't exist."
 107                 exit ${EXIT_ERROR}
 108         fi
 109
 110         config_read $(zone_dir ${zone})/configs/${config}
 111
 112         local status
 113         if pppoe_server_status ${zone}; then
 114                 status="${MSG_HOOK_UP}"
 115         else
 116                 status="${MSG_HOOK_DOWN}"
 117         fi
 118         cli_statusline 3 "PPPoE server" "${status}"
 119
 120         local gateway=$(ipv4_get_network ${SUBNET})
 121         cli_print_fmt1 3 "Gateway" "${gateway}"
 122
 123         local start_address=$(ipv4_encode ${gateway})
 124         start_address=$(( ${start_address} + 1 ))
 125         start_address=$(ipv4_decode ${start_address})
 126         local end_address=$(ipv4_get_broadcast ${SUBNET})
 127
 128         cli_print_fmt1 3 "Client range" \
 129                 "${start_address}-${end_address}"
 130         cli_space
 131
 132         local max_sessions=${MAX_SESSIONS}
 133         if [ "${max_sessions}" = "0" ]; then
 134                 max_sessions="unlimited"
 135         fi
 136         cli_print_fmt1 3 "${max_sessions} session(s) per MAC"
 137         cli_space
 138
 139         exit ${EXIT_OK}
 140 }