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         "ID"
  27         "PARENT_PORT"
  28         "PROTOCOL"
  29 )
  30
  31 # Set the default to 802.1Q
  32 DEFAULT_PROTOCOL="${VLAN_SUPPORTED_PROTOCOLS[0]}"
  33
  34 PORT_PARENTS_VAR="PARENT_PORT"
  35
  36 hook_check_settings() {
  37         assert ismac ADDRESS
  38         assert isset PARENT_PORT
  39
  40         assert isset PROTOCOL
  41         assert vlan_supported_protocol "${PROTOCOL}"
  42
  43         assert isinteger ID
  44         assert vlan_valid_id "${ID}"
  45 }
  46
  47 hook_find_port_name() {
  48         assert isset ID
  49         assert isset PARENT_PORT
  50
  51         print "${PARENT_PORT}${VLAN_PORT_INTERFIX}${ID}"
  52 }
  53
  54 hook_parse_cmdline() {
  55         while [ $# -gt 0 ]; do
  56                 case "${1}" in
  57                         --address=*)
  58                                 ADDRESS=$(cli_get_val "${1}")
  59
  60                                 # Validate address
  61                                 if ! mac_is_valid "${ADDRESS}"; then
  62                                         error "Invalid MAC address given: ${ADDRESS}"
  63                                         return ${EXIT_CONF_ERROR}
  64                                 fi
  65                                 ;;
  66                         --id=*)
  67                                 ID=$(cli_get_val "${1}")
  68
  69                                 # Validate VLAN ID
  70                                 if ! vlan_valid_id "${ID}"; then
  71                                         error "Invalid VLAN ID: ${ID}"
  72                                         return ${EXIT_CONF_ERROR}
  73                                 fi
  74                                 ;;
  75                         --port=*)
  76                                 PARENT_PORT=$(cli_get_val "${1}")
  77
  78                                 # Check if PARENT_PORT exists
  79                                 if ! port_exists "${PARENT_PORT}"; then
  80                                         error "Port '${PARENT_PORT}' does not exist"
  81                                         return ${EXIT_CONF_ERROR}
  82                                 fi
  83                                 ;;
  84                         --protocol=*)
  85                                 PROTOCOL="$(cli_get_val "${1}")"
  86
  87                                 # Check if PROTOCOL is supported
  88                                 if ! vlan_supported_protocol "${PROTOCOL}"; then
  89                                         error "Protocol '${PROTOCOL}' is not supported"
  90                                         error "Choose one of ${VLAN_SUPPORTED_PROTOCOLS[*]}"
  91                                         return ${EXIT_CONF_ERROR}
  92                                 fi
  93                                 ;;
  94                         *)
  95                                 error "Unknown argument '${1}'"
  96                                 return ${EXIT_CONF_ERROR}
  97                                 ;;
  98                 esac
  99                 shift
 100         done
 101
 102         # Generate a random MAC address if none given
 103         if ! isset ADDRESS; then
 104                 ADDRESS="$(mac_generate)"
 105         fi
 106 }
 107
 108 hook_create() {
 109         local port="${1}"
 110         assert isset port
 111
 112         device_exists "${port}" && exit ${EXIT_OK}
 113
 114         # Read configruation
 115         if ! port_settings_read "${port}"; then
 116                 return ${EXIT_ERROR}
 117         fi
 118
 119         # Check if the parent port exists
 120         if ! port_exists "${PARENT_PORT}"; then
 121                 error "Port '${PARENT_PORT}' does not exist"
 122                 return ${EXIT_ERROR}
 123         fi
 124
 125         # Create the partent port first
 126         if ! port_create "${PARENT_PORT}"; then
 127                 error "Could not bring up parent port: ${PARENT_PORT}"
 128                 return ${EXIT_ERROR}
 129         fi
 130
 131         # Create the VLAN device
 132         if ! vlan_create "${port}" \
 133                         --address="${ADDRESS}" \
 134                         --id="${ID}" \
 135                         --parent="${PARENT_PORT}" \
 136                         --protocol="${PROTOCOL}"; then
 137                 error "Could not create port: ${port}"
 138                 return ${EXIT_ERROR}
 139         fi
 140
 141         return ${EXIT_OK}
 142 }
 143
 144 hook_remove() {
 145         local port="${1}"
 146         assert isset port
 147
 148         if device_exists "${port}"; then
 149                 vlan_remove "${port}"
 150         fi
 151
 152         exit ${EXIT_OK}
 153 }