src/hooks/ports/dummy

   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"
  25
  26 hook_check_settings() {
  27         assert ismac ADDRESS
  28 }
  29
  30 hook_parse_cmdline() {
  31         while [ $# -gt 0 ]; do
  32                 case "${1}" in
  33                         --address=*)
  34                                 ADDRESS=$(cli_get_val ${1})
  35                                 ;;
  36                         *)
  37                                 warning "Unknown argument '${1}'"
  38                                 ;;
  39                 esac
  40                 shift
  41         done
  42
  43         if isset ADDRESS; then
  44                 if ! ismac ADDRESS; then
  45                         error "Invalid MAC address given: ${ADDRESS}"
  46                         return ${EXIT_ERROR}
  47                 fi
  48
  49         # Generate a random but static MAC address if none was set
  50         else
  51                 ADDRESS=$(mac_generate)
  52         fi
  53 }
  54
  55 hook_new() {
  56         if ! hook_parse_cmdline $@; then
  57                 return ${EXIT_ERROR}
  58         fi
  59
  60         local port=$(port_find_free ${DUMMY_PORT_PATTERN})
  61         assert isset port
  62
  63         if port_settings_write "${port}" ${HOOK_SETTINGS}; then
  64                 log INFO "New dummy port '${port}' has been created"
  65         fi
  66
  67         exit ${EXIT_OK}
  68 }
  69
  70 hook_create() {
  71         local port="${1}"
  72         assert isset port
  73
  74         # Read configuration
  75         port_settings_read "${port}" ${HOOK_SETTINGS}
  76
  77         # Create the dummy device
  78         dummy_create "${port}" "${ADDRESS}"
  79
  80         exit ${EXIT_OK}
  81 }
  82
  83 hook_remove() {
  84         local port="${1}"
  85         assert isset port
  86
  87         # Remove the dummy device
  88         dummy_remove "${port}"
  89 }
  90
  91 hook_up() {
  92         local port="${1}"
  93         assert isset port
  94
  95         # Bring up the port.
  96         device_set_up ${port}
  97
  98         exit ${EXIT_OK}
  99 }
 100
 101 hook_down() {
 102         local port="${1}"
 103         assert isset port
 104
 105         # Tear down the port.
 106         device_set_down ${port}
 107
 108         exit ${EXIT_OK}
 109 }
 110
 111 hook_hotplug_rename() {
 112         local port=${1}
 113         assert isset port
 114
 115         local device=${2}
 116         assert isset device
 117
 118         port_settings_read "${port}" ${HOOK_SETTINGS}
 119
 120         if [ "${ADDRESS}" = "$(device_get_address ${device})" ]; then
 121                 log DEBUG "Device '${device}' equals port '${port}'."
 122                 exit ${EXIT_OK}
 123         fi
 124
 125         log DEBUG "Device '${device}' does not equal port '${port}'."
 126         exit ${EXIT_ERROR}
 127 }