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         routing_db_from_ppp ${zone} ipv4
  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         routing_db_set ${zone} ipv4 active 1
  55         routing_update ${zone} ipv4
  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         # Remove the information about this zone from the routing database
  73         # and update the routing table.
  74         routing_db_remove ${zone} ipv4
  75         routing_update ${zone} ipv4
  76
  77         # Save accounting information
  78         ppp_accounting ${zone}
  79
  80         # Emit interface-up event
  81         event_interface_down ${zone}
  82
  83         return ${EXIT_OK}
  84 }
  85
  86 function ppp_common_ipv6_up() {
  87         local zone=${1}
  88         shift
  89
  90         if ! zone_exists ${zone}; then
  91                 error "Zone '${zone}' does not exist."
  92                 return ${EXIT_ERROR}
  93         fi
  94
  95         # Add information about this zone to the routing database.
  96         routing_db_from_ppp ${zone} ipv6
  97
  98         routing_db_set ${zone} ipv6 active 1
  99         routing_update ${zone} ipv6
 100
 101         # Emit interface-up event
 102         event_interface_up ${zone}
 103
 104         return ${EXIT_OK}
 105 }
 106
 107 function ppp_common_ipv6_down() {
 108         local zone=${1}
 109         shift
 110
 111         if ! zone_exists ${zone}; then
 112                 error "Zone '${zone}' does not exist."
 113                 return ${EXIT_ERROR}
 114         fi
 115
 116         # Remove the information about this zone from the routing database
 117         # and update the routing table.
 118         routing_db_remove ${zone} ipv6
 119         routing_update ${zone} ipv6
 120
 121         # Save accounting information
 122         ppp_accounting ${zone}
 123
 124         # Emit interface-up event
 125         event_interface_down ${zone}
 126
 127         return ${EXIT_OK}
 128 }
 129
 130 function ppp_secret() {
 131         local USER=${1}
 132         local SECRET=${2}
 133         local a
 134         local secret
 135         local user
 136
 137         # Updateing secret file
 138         > ${PPP_SECRETS}.tmp
 139         while read user a secret; do
 140                 if [ "'${USER}'" != "${user}" ]; then
 141                         echo "${user} ${a} ${secret}" >> ${PPP_SECRETS}.tmp
 142                 fi
 143         done < ${PPP_SECRETS}
 144         echo "'${USER}' * '${SECRET}'" >> ${PPP_SECRETS}.tmp
 145         cat ${PPP_SECRETS}.tmp > ${PPP_SECRETS}
 146         rm -f ${PPP_SECRETS}.tmp
 147 }
 148
 149 function ppp_accounting() {
 150         local zone=${1}
 151         shift
 152
 153         db_ppp_update ${zone} --duration="${CONNECT_TIME}" \
 154                 --rcvd="${BYTES_RCVD}" --sent="${BYTES_SENT}"
 155 }
 156
 157 function pppd_exec() {
 158         log DEBUG "Running pppd with parameters '$@'."
 159
 160         pppd $@ > /dev/null
 161 }