src/helpers/ipsec-updown

   1 #!/bin/bash
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2017  IPFire Network Development Team                         #
   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 LOG_DISABLE_STDOUT="true"
  23
  24 . /usr/lib/network/functions
  25
  26 # Read network settings
  27 network_settings_read
  28
  29 # Make sure we are called by strongSwan
  30 assert isset PLUTO_VERSION
  31
  32 CONNECTION="${PLUTO_CONNECTION}"
  33
  34 # Interface name for this IPsec connection
  35 INTERFACE="ipsec-${CONNECTION}"
  36
  37 if ! ipsec_connection_read_config "${CONNECTION}"; then
  38         log ERROR "Could not read configuration for ${CONNECTION}"
  39         exit ${EXIT_ERROR}
  40 fi
  41
  42 log DEBUG "${0} called for ${CONNECTION}: ${PLUTO_VERB}"
  43
  44 case "${PLUTO_VERB}" in
  45         up-client|up-client-v6|up-host|up-host-v6)
  46                 case "${MODE}" in
  47                         gre-*)
  48                                 if ! device_exists "${INTERFACE}"; then
  49                                         ip_tunnel_add "${INTERFACE}" \
  50                                                 --mode="gre" \
  51                                                 --local-address="${TUNNEL_ADDRESS}" \
  52                                                 --remote-address="${TUNNEL_PEER}"
  53
  54                                         device_set_up "${INTERFACE}"
  55                                 fi
  56                                 ;;
  57                         vti)
  58                                 if device_exists "${INTERFACE}"; then
  59                                         ip_tunnel_change_keys "${INTERFACE}" \
  60                                                 --ikey="${PLUTO_MARK_IN%/*}" \
  61                                                 --okey="${PLUTO_MARK_OUT%/*}"
  62
  63                                 else
  64                                         if ! ip_tunnel_add "${INTERFACE}" \
  65                                                 --mode="vti" \
  66                                                 --local-address="${PLUTO_ME}" \
  67                                                 --remote-address="${PLUTO_PEER}" \
  68                                                 --ikey="${PLUTO_MARK_IN%/*}" \
  69                                                 --okey="${PLUTO_MARK_OUT%/*}"; then
  70                                                 log ERROR "Could not create VTI device for ${CONNECTION}"
  71                                         fi
  72                                 fi
  73
  74                                 device_set_up "${INTERFACE}"
  75                                 ;;
  76                 esac
  77                 ;;
  78
  79         down-client|down-client-v6|down-host|down-host-v6)
  80                 case "${MODE}" in
  81                         vti)
  82                                 if device_exists "${INTERFACE}"; then
  83                                         device_set_down "${INTERFACE}"
  84
  85                                         ip_tunnel_del "${INTERFACE}"
  86                                 fi
  87                                 ;;
  88                 esac
  89                 ;;
  90 esac
  91
  92 exit ${EXIT_OK}