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