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_common_ip_pre_up() {
  23         local zone=${1}
  24         shift
  25
  26         if ! zone_exists ${zone}; then
  27                 error "Zone '${zone}' does not exist."
  28                 return ${EXIT_ERROR}
  29         fi
  30
  31         # Request firewall reload
  32         event_firewall_reload
  33
  34         return ${EXIT_OK}
  35 }
  36
  37 function ppp_common_ip_up() {
  38         local zone=${1}
  39         shift
  40
  41         if ! zone_exists ${zone}; then
  42                 error "Zone '${zone}' does not exist."
  43                 return ${EXIT_ERROR}
  44         fi
  45
  46         # Emit interface-up event
  47         event_interface_up ${zone}
  48
  49         return ${EXIT_OK}
  50 }
  51
  52 function ppp_common_ip_down() {
  53         local zone=${1}
  54         shift
  55
  56         if ! zone_exists ${zone}; then
  57                 error "Zone '${zone}' does not exist."
  58                 return ${EXIT_ERROR}
  59         fi
  60
  61         # Save accounting information
  62         ppp_accounting ${zone}
  63
  64         # Emit interface-up event
  65         event_interface_down ${zone}
  66
  67         return ${EXIT_OK}
  68 }
  69
  70 function ppp_secret() {
  71         local USER=${1}
  72         local SECRET=${2}
  73         local a
  74         local secret
  75         local user
  76
  77         # Updateing secret file
  78         > ${PPP_SECRETS}.tmp
  79         while read user a secret; do
  80                 if [ "'${USER}'" != "${user}" ]; then
  81                         echo "${user} ${a} ${secret}" >> ${PPP_SECRETS}.tmp
  82                 fi
  83         done < ${PPP_SECRETS}
  84         echo "'${USER}' * '${SECRET}'" >> ${PPP_SECRETS}.tmp
  85         cat ${PPP_SECRETS}.tmp > ${PPP_SECRETS}
  86         rm -f ${PPP_SECRETS}.tmp
  87 }
  88
  89 function ppp_accounting() {
  90         local zone=${1}
  91         shift
  92
  93         db_ppp_update ${zone} --duration="${CONNECT_TIME}" \
  94                 --rcvd="${BYTES_RCVD}" --sent="${BYTES_SENT}"
  95 }
  96
  97 function red_defaultroute_update() {
  98         local command="ip route replace default"
  99
 100         local uplink
 101         for uplink in ${RED_RUN}/*; do
 102                 [ -d "${uplink}" ] || continue
 103
 104                 # Skip if no gateway given
 105                 [ -e "${uplink}/gateway" ] || continue
 106
 107                 command="${command} nexthop via $(<${uplink}/gateway)"
 108                 if [ -e "${uplink}/weight" ]; then
 109                         command="${command} weight $(<${uplink}/weight)"
 110                 fi
 111         done
 112         $command
 113         #ip route flush cache
 114 }
 115
 116 function red_dns_update() {
 117         : # XXX todo
 118 }