src/hooks/ports/ethernet

   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 # Default MTU
  25 DEFAULT_MTU=1500
  26
  27 # Selectable speeds in MBit/s
  28 VALID_SPEEDS="10000 1000 100 10"
  29
  30 # We can run in full or half duplex
  31 VALID_DUPLEXES="full half"
  32
  33 # DEVICE equals the actual MAC address of the device.
  34 # If ADDRESS is set, the device will get ADDRESS set for its MAC address.
  35
  36 HOOK_SETTINGS="HOOK ADDRESS DEVICE DUPLEX MTU SPEED"
  37
  38 hook_check_settings() {
  39         assert ismac DEVICE
  40
  41         if isset ADDRESS; then
  42                 assert ismac ADDRESS
  43         fi
  44
  45         if isset MTU; then
  46                 assert mtu_is_valid "ethernet" "${MTU}"
  47         fi
  48
  49         if isset DUPLEX; then
  50                 assert isoneof DUPLEX ${VALID_DUPLEXES}
  51         fi
  52
  53         if isset SPEED; then
  54                 assert isoneof SPEED ${VALID_SPEEDS}
  55         fi
  56 }
  57
  58 hook_parse_cmdline() {
  59         while [ $# -gt 0 ]; do
  60                 case "${1}" in
  61                         --address=*)
  62                                 ADDRESS="$(cli_get_val "${1}")"
  63
  64                                 if ! mac_is_valid "${ADDRESS}"; then
  65                                         error "Invalid MAC address: ${ADDRESS}"
  66                                         return ${EXIT_ERROR}
  67                                 fi
  68                                 ;;
  69
  70                         --duplex=*)
  71                                 DUPLEX="$(cli_get_val "${1}")"
  72
  73                                 if ! isoneof DUPLEX ${VALID_DUPLEXES}; then
  74                                         error "Invalid duplex mode: ${DUPLEX}"
  75                                         return ${EXIT_ERROR}
  76                                 fi
  77                                 ;;
  78
  79                         --mtu=*)
  80                                 MTU="$(cli_get_val "${1}")"
  81
  82                                 if ! mtu_is_valid "ethernet" "${MTU}"; then
  83                                         error "Invalid MTU: ${MTU}"
  84                                         return ${EXIT_ERROR}
  85                                 fi
  86                                 ;;
  87
  88                         --speed=*)
  89                                 SPEED="$(cli_get_val "${1}")"
  90
  91                                 if ! isoneof SPEED ${VALID_SPEEDS}; then
  92                                         error "Invalid speed: ${SPEED}"
  93                                         return ${EXIT_ERROR}
  94                                 fi
  95                                 ;;
  96
  97                         *)
  98                                 error "Unknown argument: ${1}"
  99                                 return ${EXIT_ERROR}
 100                                 ;;
 101                 esac
 102                 shift
 103         done
 104 }
 105
 106 hook_create() {
 107         return ${EXIT_OK}
 108 }
 109
 110 hook_up() {
 111         local port="${1}"
 112
 113         local ${HOOK_SETTINGS}
 114         if ! port_settings_read "${port}" ${HOOK_SETTINGS}; then
 115                 log ERROR "Could not read settings for port ${port}"
 116                 return ${EXIT_ERROR}
 117         fi
 118
 119         # Set MAC address, if needed
 120         if isset ADDRESS; then
 121                 device_set_address "${port}" "${ADDRESS}"
 122         fi
 123
 124         # Set MTU
 125         if isset MTU; then
 126                 device_set_mtu "${port}" "${MTU}"
 127         else
 128                 device_set_mtu "${port}" "${DEFAULT_MTU}"
 129         fi
 130
 131         # Set duplex mode
 132         if isset DUPLEX; then
 133                 device_set_duplex "${port}" "${DUPLEX}"
 134         fi
 135
 136         # Set speed
 137         if isset SPEED; then
 138                 device_set_speed "${port}" "${SPEED}"
 139         fi
 140
 141         # Bring up the device
 142         device_set_up "${port}"
 143
 144         exit ${EXIT_OK}
 145 }
 146
 147 hook_remove() {
 148         exit ${EXIT_OK}
 149 }
 150
 151 hook_hotplug_rename() {
 152         local port=${1}
 153         assert isset port
 154
 155         local device=${2}
 156         assert isset device
 157
 158         # Read in the conifguration file.
 159         port_settings_read "${port}" ${HOOK_SETTINGS}
 160
 161         # Get the current MAC address of the device.
 162         local address=$(device_get_address ${device})
 163         assert isset address
 164
 165         # Check if the address matches with the configuration.
 166         if list_match "${address}" ${DEVICE} ${ADDRESS}; then
 167                 log DEBUG "Device '${device}' equals port '${port}'."
 168                 exit ${EXIT_OK}
 169         fi
 170
 171         log DEBUG "Device '${device}' does not equal port '${port}'."
 172         exit ${EXIT_ERROR}
 173 }