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         # XXX protocol hardcoded
  38         routing_db_from_ppp ${zone} ipv4
  39
  40         # Request firewall reload
  41         event_firewall_reload
  42
  43         return ${EXIT_OK}
  44 }
  45
  46 function ppp_common_ip_up() {
  47         local zone=${1}
  48         shift
  49
  50         if ! zone_exists ${zone}; then
  51                 error "Zone '${zone}' does not exist."
  52                 return ${EXIT_ERROR}
  53         fi
  54
  55         # XXX protocol is hardcoded
  56         routing_db_set ${zone} ipv4 active 1
  57         routing_update ${zone} ipv4
  58
  59         # Emit interface-up event
  60         event_interface_up ${zone}
  61
  62         return ${EXIT_OK}
  63 }
  64
  65 function ppp_common_ip_down() {
  66         local zone=${1}
  67         shift
  68
  69         if ! zone_exists ${zone}; then
  70                 error "Zone '${zone}' does not exist."
  71                 return ${EXIT_ERROR}
  72         fi
  73
  74         # Save accounting information
  75         ppp_accounting ${zone}
  76
  77         # Emit interface-up event
  78         event_interface_down ${zone}
  79
  80         return ${EXIT_OK}
  81 }
  82
  83 function ppp_secret() {
  84         local USER=${1}
  85         local SECRET=${2}
  86         local a
  87         local secret
  88         local user
  89
  90         # Updateing secret file
  91         > ${PPP_SECRETS}.tmp
  92         while read user a secret; do
  93                 if [ "'${USER}'" != "${user}" ]; then
  94                         echo "${user} ${a} ${secret}" >> ${PPP_SECRETS}.tmp
  95                 fi
  96         done < ${PPP_SECRETS}
  97         echo "'${USER}' * '${SECRET}'" >> ${PPP_SECRETS}.tmp
  98         cat ${PPP_SECRETS}.tmp > ${PPP_SECRETS}
  99         rm -f ${PPP_SECRETS}.tmp
 100 }
 101
 102 function ppp_accounting() {
 103         local zone=${1}
 104         shift
 105
 106         db_ppp_update ${zone} --duration="${CONNECT_TIME}" \
 107                 --rcvd="${BYTES_RCVD}" --sent="${BYTES_SENT}"
 108 }
 109
 110 function pppd_exec() {
 111         log DEBUG "Running pppd with parameters '$@'."
 112
 113         pppd $@ > /dev/null
 114 }