src/hooks/configs/ipv4-dhcp

   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 DELAY"
  25
  26 # Default settings.
  27 DELAY=0
  28
  29 hook_check_config_settings() {
  30         assert isset DELAY
  31         assert isinteger DELAY
  32 }
  33
  34 hook_new() {
  35         local zone="${1}"
  36         shift
  37
  38         if zone_config_hook_is_configured ${zone} "ipv4-dhcp"; then
  39                 log ERROR "You can configure the ipv4-dhcp hook only once for a zone"
  40                 return ${EXIT_ERROR}
  41         fi
  42
  43         while [ $# -gt 0 ]; do
  44                 case "${1}" in
  45                         --delay=*)
  46                                 DELAY="$(cli_get_val "${1}")"
  47                                 ;;
  48                 esac
  49                 shift
  50         done
  51
  52         zone_config_settings_write "${zone}" "${HOOK}"
  53
  54         exit ${EXIT_OK}
  55 }
  56
  57 hook_up() {
  58         local zone=${1}
  59         local config=${2}
  60         shift 2
  61
  62         if ! device_exists ${zone}; then
  63                 error "Zone '${zone}' doesn't exist."
  64                 exit ${EXIT_ERROR}
  65         fi
  66
  67         # Start dhclient for IPv4 on this zone.
  68         dhclient_start ${zone} ipv4
  69
  70         exit ${EXIT_OK}
  71 }
  72
  73 hook_down() {
  74         local zone=${1}
  75         local config=${2}
  76         shift 2
  77
  78         if ! device_exists ${zone}; then
  79                 error "Zone '${zone}' doesn't exist."
  80                 exit ${EXIT_ERROR}
  81         fi
  82
  83         # Stop dhclient for IPv4 on this zone.
  84         dhclient_stop ${zone} ipv4
  85
  86         exit ${EXIT_OK}
  87 }
  88
  89 hook_status() {
  90         local zone=${1}
  91         local config=${2}
  92         shift 2
  93
  94         if ! device_exists ${zone}; then
  95                 error "Zone '${zone}' doesn't exist."
  96                 exit ${EXIT_ERROR}
  97         fi
  98
  99         zone_config_settings_read "${zone}" "${config}"
 100
 101         local status
 102         if dhclient_status ${zone} ipv4; then
 103                 status="${MSG_HOOK_UP}"
 104         else
 105                 status="${MSG_HOOK_DOWN}"
 106         fi
 107         cli_statusline 3 "${HOOK}" "${status}"
 108
 109         cli_print_fmt1 3 "IPv4 address" "$(db_get "${zone}/ipv4/local-ip-address")"
 110         local gateway="$(db_get "${zone}/ipv4/remote-ip-address")"
 111         if isset gateway; then
 112                 cli_print_fmt1 3 "Gateway" "${gateway}"
 113                 cli_space
 114         fi
 115         local dns_servers="$(db_get "${zone}/ipv4/domain-name-servers")"
 116         if isset dns_servers; then
 117                 cli_print_fmt1 3 "DNS-Servers" "${dns_servers}"
 118                 cli_space
 119         fi
 120
 121         exit ${EXIT_OK}
 122 }