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