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_PORT"
  27         "TAG"
  28 )
  29
  30 PORT_PARENTS_VAR="PARENT_PORT"
  31
  32 hook_check_settings() {
  33         assert isset PARENT_PORT
  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 ${EXIT_ERROR}
  50                 fi
  51         done
  52 }
  53
  54 hook_find_port_name() {
  55         assert isset PARENT_PORT
  56         assert isset TAG
  57
  58         print "${PARENT_PORT}${VLAN_PORT_INTERFIX}${TAG}"
  59 }
  60
  61 hook_parse_cmdline() {
  62         while [ $# -gt 0 ]; do
  63                 case "${1}" in
  64                         --address=*)
  65                                 ADDRESS=$(cli_get_val "${1}")
  66
  67                                 # Validate address
  68                                 if ! mac_is_valid "${ADDRESS}"; then
  69                                         error "Invalid MAC address given: ${ADDRESS}"
  70                                         return ${EXIT_CONF_ERROR}
  71                                 fi
  72                                 ;;
  73                         --port=*)
  74                                 PARENT_PORT=$(cli_get_val "${1}")
  75
  76                                 # Check if PARENT_PORT exists
  77                                 if ! port_exists "${PARENT_PORT}"; then
  78                                         error "Port '${PARENT_PORT}' does not exist"
  79                                         return ${EXIT_CONF_ERROR}
  80                                 fi
  81                                 ;;
  82                         --tag=*)
  83                                 TAG=$(cli_get_val "${1}")
  84                                 ;;
  85                         *)
  86                                 error "Unknown argument '${1}'"
  87                                 return ${EXIT_CONF_ERROR}
  88                                 ;;
  89                 esac
  90                 shift
  91         done
  92
  93         # Generate a random MAC address if none given
  94         if ! isset ADDRESS; then
  95                 ADDRESS="$(mac_generate)"
  96         fi
  97 }
  98
  99 hook_create() {
 100         local port="${1}"
 101         assert isset port
 102
 103         device_exists "${port}" && exit ${EXIT_OK}
 104
 105         # Read configruation
 106         port_settings_read "${port}"
 107
 108         # Create the VLAN device
 109         vlan_create "${port}" "${PARENT_PORT}" "${TAG}" "${ADDRESS}"
 110
 111         exit ${EXIT_OK}
 112 }
 113
 114 hook_remove() {
 115         local port="${1}"
 116         assert isset port
 117
 118         if device_exists "${port}"; then
 119                 vlan_remove "${port}"
 120         fi
 121
 122         exit ${EXIT_OK}
 123 }