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="HOOK ADDRESS PARENT_DEVICE TAG"
  25
  26 PORT_PARENTS_VAR="PARENT"
  27
  28 function hook_check() {
  29         assert isset PARENT_DEVICE
  30         assert isinteger TAG
  31
  32         if isset ADDRESS; then
  33                 assert ismac ADDRESS
  34         fi
  35
  36         if [ ${TAG} -gt 4096 ]; then
  37                 error "TAG is greater than 4096."
  38                 exit ${EXIT_ERROR}
  39         fi
  40
  41         local reserved
  42         for reserved in 0 4095; do
  43                 if [ "${TAG}" = "${reserved}" ]; then
  44                         error "TAG=${reserved} is reserved."
  45                         exit ${EXIT_ERROR}
  46                 fi
  47         done
  48 }
  49
  50 function hook_create() {
  51         while [ $# -gt 0 ]; do
  52                 case "${1}" in
  53                         --parent-device=*)
  54                                 PARENT_DEVICE=$(cli_get_val ${1})
  55                                 ;;
  56                         --address=*)
  57                                 ADDRESS=$(cli_get_val ${1})
  58                                 ;;
  59                         --tag=*)
  60                                 TAG=$(cli_get_val ${1})
  61                                 ;;
  62                         *)
  63                                 warning "Unknown argument '${1}'"
  64                                 ;;
  65                 esac
  66                 shift
  67         done
  68
  69         local port="${PARENT_DEVICE}${VLAN_PORT_INTERFIX}${TAG}"
  70
  71         config_write $(port_file ${port}) ${HOOK_SETTINGS}
  72
  73         exit ${EXIT_OK}
  74 }
  75
  76 function hook_edit() {
  77         local port=${1}
  78         assert isset port
  79         shift
  80
  81         config_read $(port_file ${port})
  82
  83         while [ $# -gt 0 ]; do
  84                 case "${1}" in
  85                         --address=*)
  86                                 ADDRESS=$(cli_get_val ${1})
  87                                 ;;
  88                         *)
  89                                 warning "Unknown argument '${1}'"
  90                                 ;;
  91                 esac
  92                 shift
  93         done
  94
  95         config_write $(port_file ${port}) ${HOOK_SETTINGS}
  96
  97         exit ${EXIT_OK}
  98 }
  99
 100 function hook_up() {
 101         local port=${1}
 102         assert isset port
 103
 104         if ! device_exists ${port}; then
 105                 # Read configuration file.
 106                 config_read $(port_file ${port}) ${HOOK_SETTINGS}
 107
 108                 vlan_create ${port} ${PARENT_DEVICE} ${TAG} ${ADDRESS}
 109         fi
 110
 111         # Bring up the device.
 112         device_set_up ${port}
 113
 114         exit ${EXIT_OK}
 115 }
 116
 117 function hook_down() {
 118         local port=${1}
 119         assert isset port
 120
 121         # Exit, if the port does not exist.
 122         if ! device_exists ${port}; then
 123                 exit ${EXIT_OK}
 124         fi
 125
 126         # Tear down the port.
 127         device_set_down ${port}
 128
 129         # Remove the port.
 130         vlan_remove ${port}
 131
 132         exit ${EXIT_OK}
 133 }