src/hooks/configs/ipv6-auto

   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-config
  23
  24 HOOK_CONFIG_SETTINGS="HOOK PRIVACY_EXTENSIONS"
  25
  26 # Privacy Extensions are disabled by default
  27 PRIVACY_EXTENSIONS="off"
  28
  29 hook_check_config_settings() {
  30         assert isbool PRIVACY_EXTENSIONS
  31 }
  32
  33 hook_parse_cmdline() {
  34         local id="${1}"
  35         shift
  36
  37         local arg
  38
  39         while read arg; do
  40                 case "${arg}" in
  41                         --privacy-extensions=*)
  42                                 local val="$(cli_get_val "${arg}")"
  43
  44                                 if enabled val; then
  45                                         PRIVACY_EXTENSIONS="on"
  46                                 else
  47                                         PRIVACY_EXTENSIONS="off"
  48                                 fi
  49                                 ;;
  50                 esac
  51         done <<< "$(args "$@")"
  52 }
  53
  54 hook_new() {
  55         local zone="${1}"
  56         shift
  57
  58         if zone_config_hook_is_configured ${zone} "ipv6-auto"; then
  59                 log ERROR "You can configure the ipv6-auto hook only once for a zone"
  60                 return ${EXIT_ERROR}
  61         fi
  62
  63         local id=$(zone_config_get_new_id ${zone})
  64         log DEBUG "ID for the config is: ${id}"
  65
  66         if ! hook_parse_cmdline "${id}" "$@"; then
  67                 # Return an error if the parsing of the cmd line fails
  68                 return ${EXIT_ERROR}
  69         fi
  70
  71         zone_config_settings_write "${zone}" "${HOOK}" "${id}"
  72
  73         exit ${EXIT_OK}
  74 }
  75
  76 hook_up() {
  77         local zone=${1}
  78         shift
  79
  80         if ! device_exists ${zone}; then
  81                 error "Zone '${zone}' doesn't exist."
  82                 exit ${EXIT_ERROR}
  83         fi
  84
  85         zone_config_settings_read "${zone}" "${HOOK}"
  86
  87         # Enable IPv6 auto-configuration
  88         ipv6_device_autoconf_enable "${zone}"
  89
  90         # Set up privacy extensions (RFC3041)
  91         if enabled PRIVACY_EXTENSIONS; then
  92                 ipv6_device_privacy_extensions_enable "${zone}"
  93         else
  94                 ipv6_device_privacy_extensions_disable "${zone}"
  95         fi
  96
  97         exit ${EXIT_OK}
  98 }
  99
 100 hook_down() {
 101         local zone=${1}
 102         local config=${2}
 103         shift 2
 104
 105         if ! device_exists ${zone}; then
 106                 error "Zone '${zone}' doesn't exist."
 107                 exit ${EXIT_ERROR}
 108         fi
 109
 110         # Disable IPv6 auto-configuration
 111         ipv6_device_autoconf_disable "${zone}"
 112
 113         exit ${EXIT_OK}
 114 }
 115
 116 hook_status() {
 117         local zone=${1}
 118         local config=${2}
 119         shift 2
 120
 121         if ! device_exists ${zone}; then
 122                 error "Zone '${zone}' doesn't exist."
 123                 exit ${EXIT_ERROR}
 124         fi
 125
 126         zone_config_settings_read "${zone}" "${config}"
 127
 128         local addresses=$(ipv6_device_get_addresses "${zone}" --scope="global")
 129         local status
 130         if isset addresses; then
 131                 status="${MSG_HOOK_UP}"
 132         else
 133                 status="${MSG_HOOK_DOWN}"
 134         fi
 135         cli_statusline 3 "${HOOK}" "${status}"
 136
 137         if enabled PRIVACY_EXTENSIONS; then
 138                 cli_print_fmt1 3 "Privacy Extensions enabled"
 139                 cli_space
 140         fi
 141
 142         local addr
 143         for addr in ${addresses}; do
 144                 cli_print_fmt1 3 "IPv6 address" "${addr}"
 145         done
 146         cli_space
 147
 148         exit ${EXIT_OK}
 149 }