src/hooks/ports/vlan

   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         "PARENT_DEVICE"
  27         "TAG"
  28 )
  29
  30 PORT_PARENTS_VAR="PARENT"
  31
  32 hook_check_settings() {
  33         assert isset PARENT_DEVICE
  34         assert isinteger TAG
  35
  36         if isset ADDRESS; then
  37                 assert ismac ADDRESS
  38         fi
  39
  40         if [ ${TAG} -gt 4096 ]; then
  41                 error "TAG is greater than 4096."
  42                 exit ${EXIT_ERROR}
  43         fi
  44
  45         local reserved
  46         for reserved in 0 4095; do
  47                 if [ "${TAG}" = "${reserved}" ]; then
  48                         error "TAG=${reserved} is reserved."
  49                         exit ${EXIT_ERROR}
  50                 fi
  51         done
  52 }
  53
  54 hook_find_port_name() {
  55         assert isset PARENT_DEVICE
  56         assert isset TAG
  57
  58         print "${PARENT_DEVICE}${VLAN_PORT_INTERFIX}${TAG}"
  59 }
  60
  61 hook_parse_cmdline() {
  62         while [ $# -gt 0 ]; do
  63                 case "${1}" in
  64                         --parent-device=*)
  65                                 PARENT_DEVICE=$(cli_get_val "${1}")
  66                                 ;;
  67                         --address=*)
  68                                 ADDRESS=$(cli_get_val "${1}")
  69
  70                                 # Validate address
  71                                 if ! mac_is_valid "${ADDRESS}"; then
  72                                         error "Invalid MAC address given: ${ADDRESS}"
  73                                         return ${EXIT_CONF_ERROR}
  74                                 fi
  75                                 ;;
  76                         --tag=*)
  77                                 TAG=$(cli_get_val "${1}")
  78                                 ;;
  79                 esac
  80                 shift
  81         done
  82
  83         # Generate a random MAC address if none given
  84         if ! isset ADDRESS; then
  85                 ADDRESS="$(mac_generate)"
  86         fi
  87 }
  88
  89 hook_create() {
  90         local port="${1}"
  91         assert isset port
  92
  93         device_exists "${port}" && exit ${EXIT_OK}
  94
  95         # Read configruation
  96         port_settings_read "${port}"
  97
  98         # Create the VLAN device
  99         vlan_create "${port}" "${PARENT_DEVICE}" "${TAG}" "${ADDRESS}"
 100
 101         exit ${EXIT_OK}
 102 }
 103
 104 hook_remove() {
 105         local port="${1}"
 106         assert isset port
 107
 108         if device_exists "${port}"; then
 109                 vlan_remove "${port}"
 110         fi
 111
 112         exit ${EXIT_OK}
 113 }