src/hooks/zones/bridge.configs/ipv6-static

   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 . /usr/lib/network/header-port
  23
  24 HOOK_SETTINGS="HOOK ADDRESS PREFIX GATEWAY"
  25
  26 function hook_check() {
  27         assert isset ADDRESS
  28         assert isinteger PREFIX
  29
  30         if [ ${PREFIX} -gt 64 ]; then
  31                 error "PREFIX is greater than 64."
  32                 exit ${EXIT_ERROR}
  33         fi
  34 }
  35
  36 function hook_create() {
  37         local zone=${1}
  38         shift
  39
  40         while [ $# -gt 0 ]; do
  41                 case "${1}" in
  42                         --address=*)
  43                                 ADDRESS=${1#--address=}
  44                                 ;;
  45                         --prefix=*)
  46                                 PREFIX=${1#--prefix=}
  47                                 ;;
  48                         --gateway=*)
  49                                 GATEWAY=${1#--gateway=}
  50                                 ;;
  51                 esac
  52                 shift
  53         done
  54
  55         # Store IPv6 address in small format.
  56         ADDRESS=$(ipv6_implode ${ADDRESS})
  57
  58         if [ -n "${GATEWAY}" ]; then
  59                 GATEWAY=$(ipv6_implode ${GATEWAY})
  60         fi
  61
  62         config_write $(zone_dir ${zone})/configs/${HOOK}.$(ipv6_hash ${ADDRESS}).${PREFIX} ${HOOK_SETTINGS}
  63
  64         exit ${EXIT_OK}
  65 }
  66
  67 function hook_up() {
  68         local zone=${1}
  69         local config=${2}
  70         shift 2
  71
  72         if ! device_exists ${zone}; then
  73                 error "Zone '${zone}' doesn't exist."
  74                 exit ${EXIT_ERROR}
  75         fi
  76
  77         config_read $(zone_dir ${zone})/configs/${config}
  78
  79         ip_address_add ${zone} ${ADDRESS}/${PREFIX}
  80
  81         routing_db_set ${zone} ipv6 local-ip-address ${ADDRESS}/${PREFIX}
  82         routing_db_set ${zone} ipv6 remote-ip-address ${GATEWAY}
  83         routing_db_set ${zone} ipv6 active 1
  84         routing_default_update
  85
  86         exit ${EXIT_OK}
  87 }
  88
  89 function hook_down() {
  90         local zone=${1}
  91         local config=${2}
  92         shift 2
  93
  94         if ! device_exists ${zone}; then
  95                 error "Zone '${zone}' doesn't exist."
  96                 exit ${EXIT_ERROR}
  97         fi
  98
  99         # Remove routing information from database.
 100         routing_db_remove ${zone} ipv6
 101
 102         config_read $(zone_dir ${zone})/configs/${config}
 103
 104         ip_address_del ${zone} ${ADDRESS}/${PREFIX}
 105
 106         # Update routing tables.
 107         routing_default_update
 108
 109         exit ${EXIT_OK}
 110 }
 111
 112 function hook_status() {
 113         local zone=${1}
 114         local config=${2}
 115         shift 2
 116
 117         if ! device_exists ${zone}; then
 118                 error "Zone '${zone}' doesn't exist."
 119                 exit ${EXIT_ERROR}
 120         fi
 121
 122         config_read $(zone_dir ${zone})/configs/${config}
 123
 124         # Make sure ADDRESS is as short as possible.
 125         ADDRESS=$(ipv6_implode ${ADDRESS})
 126
 127         local status
 128         if zone_has_ip ${zone} ${ADDRESS}/${PREFIX}; then
 129                 status=${MSG_HOOK_UP}
 130         else
 131                 status=${MSG_HOOK_DOWN}
 132         fi
 133         cli_statusline 3 "${HOOK}" "${status}"
 134
 135         cli_print_fmt1 3 "IPv6 address" "${ADDRESS}/${PREFIX}"
 136         if [ -n "${GATEWAY}" ]; then
 137                 cli_print_fmt1 3 "Gateway" "${GATEWAY}"
 138         fi
 139         cli_space
 140
 141         exit ${EXIT_OK}
 142 }