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=(
  25         "ADDRESS"
  26 )
  27
  28 hook_check_settings() {
  29         assert ismac ADDRESS
  30 }
  31
  32 hook_parse_cmdline() {
  33         while [ $# -gt 0 ]; do
  34                 case "${1}" in
  35                         --address=*)
  36                                 ADDRESS=$(cli_get_val "${1}")
  37                                 ;;
  38                         *)
  39                                 warning "Unknown argument '${1}'"
  40                                 ;;
  41                 esac
  42                 shift
  43         done
  44
  45         if isset ADDRESS; then
  46                 if ! ismac ADDRESS; then
  47                         error "Invalid MAC address given: ${ADDRESS}"
  48                         return ${EXIT_ERROR}
  49                 fi
  50
  51         # Generate a random but static MAC address if none was set
  52         else
  53                 ADDRESS=$(mac_generate)
  54         fi
  55 }
  56
  57 hook_new() {
  58         if ! hook_parse_cmdline "$@"; then
  59                 return ${EXIT_ERROR}
  60         fi
  61
  62         local port=$(port_find_free ${DUMMY_PORT_PATTERN})
  63         assert isset port
  64
  65         if port_settings_write "${port}" ${HOOK_SETTINGS[*]}; then
  66                 log INFO "New dummy port '${port}' has been created"
  67         fi
  68
  69         exit ${EXIT_OK}
  70 }
  71
  72 hook_create() {
  73         local port="${1}"
  74         assert isset port
  75
  76         # Read configuration
  77         port_settings_read "${port}" ${HOOK_SETTINGS[*]}
  78
  79         # Create the dummy device
  80         dummy_create "${port}" "${ADDRESS}"
  81
  82         exit ${EXIT_OK}
  83 }
  84
  85 hook_remove() {
  86         local port="${1}"
  87         assert isset port
  88
  89         # Remove the dummy device
  90         dummy_remove "${port}"
  91 }
  92
  93 hook_up() {
  94         local port="${1}"
  95         assert isset port
  96
  97         # Bring up the port.
  98         device_set_up ${port}
  99
 100         exit ${EXIT_OK}
 101 }
 102
 103 hook_down() {
 104         local port="${1}"
 105         assert isset port
 106
 107         # Tear down the port.
 108         device_set_down ${port}
 109
 110         exit ${EXIT_OK}
 111 }
 112
 113 hook_hotplug_rename() {
 114         local port=${1}
 115         assert isset port
 116
 117         local device=${2}
 118         assert isset device
 119
 120         port_settings_read "${port}" ${HOOK_SETTINGS[*]}
 121
 122         if [ "${ADDRESS}" = "$(device_get_address ${device})" ]; then
 123                 log DEBUG "Device '${device}' equals port '${port}'."
 124                 exit ${EXIT_OK}
 125         fi
 126
 127         log DEBUG "Device '${device}' does not equal port '${port}'."
 128         exit ${EXIT_ERROR}
 129 }