functions.ppp

   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 function ppp_init() {
  23         mkdir -p /var/run/ppp 2>/dev/null
  24 }
  25
  26 init_register ppp_init
  27
  28 function ppp_common_ip_pre_up() {
  29         local zone=${1}
  30         shift
  31
  32         if ! zone_exists ${zone}; then
  33                 error "Zone '${zone}' does not exist."
  34                 return ${EXIT_ERROR}
  35         fi
  36
  37         red_db_from_ppp ${zone}
  38
  39         # Request firewall reload
  40         event_firewall_reload
  41
  42         return ${EXIT_OK}
  43 }
  44
  45 function ppp_common_ip_up() {
  46         local zone=${1}
  47         shift
  48
  49         if ! zone_exists ${zone}; then
  50                 error "Zone '${zone}' does not exist."
  51                 return ${EXIT_ERROR}
  52         fi
  53
  54         red_db_set ${zone} active 1
  55         red_routing_update ${zone}
  56
  57         # Emit interface-up event
  58         event_interface_up ${zone}
  59
  60         return ${EXIT_OK}
  61 }
  62
  63 function ppp_common_ip_down() {
  64         local zone=${1}
  65         shift
  66
  67         if ! zone_exists ${zone}; then
  68                 error "Zone '${zone}' does not exist."
  69                 return ${EXIT_ERROR}
  70         fi
  71
  72         # Save accounting information
  73         ppp_accounting ${zone}
  74
  75         # Emit interface-up event
  76         event_interface_down ${zone}
  77
  78         return ${EXIT_OK}
  79 }
  80
  81 function ppp_secret() {
  82         local USER=${1}
  83         local SECRET=${2}
  84         local a
  85         local secret
  86         local user
  87
  88         # Updateing secret file
  89         > ${PPP_SECRETS}.tmp
  90         while read user a secret; do
  91                 if [ "'${USER}'" != "${user}" ]; then
  92                         echo "${user} ${a} ${secret}" >> ${PPP_SECRETS}.tmp
  93                 fi
  94         done < ${PPP_SECRETS}
  95         echo "'${USER}' * '${SECRET}'" >> ${PPP_SECRETS}.tmp
  96         cat ${PPP_SECRETS}.tmp > ${PPP_SECRETS}
  97         rm -f ${PPP_SECRETS}.tmp
  98 }
  99
 100 function ppp_accounting() {
 101         local zone=${1}
 102         shift
 103
 104         db_ppp_update ${zone} --duration="${CONNECT_TIME}" \
 105                 --rcvd="${BYTES_RCVD}" --sent="${BYTES_SENT}"
 106 }
 107
 108 function pppd_exec() {
 109         log DEBUG "Running pppd with parameters '$@'."
 110
 111         pppd $@ > /dev/null
 112 }