src/hooks/ports/dummy

   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"
  25
  26 function hook_check() {
  27         assert ismac ADDRESS
  28 }
  29
  30 function hook_create() {
  31         while [ $# -gt 0 ]; do
  32                 case "${1}" in
  33                         --address=*)
  34                                 ADDRESS=$(cli_get_val ${1})
  35                                 ;;
  36                         *)
  37                                 warning "Unknown argument '${1}'"
  38                                 ;;
  39                 esac
  40                 shift
  41         done
  42
  43         # Generate a random MAC address if non was set.
  44         if ! isset ADDRESS; then
  45                 ADDRESS=$(mac_generate)
  46         fi
  47
  48         local port=$(port_find_free ${DUMMY_PORT_PATTERN})
  49         assert isset port
  50
  51         if config_write $(port_file ${port}) ${HOOK_SETTINGS}; then
  52                 log INFO "New dummy port '${port}' has been created"
  53         fi
  54
  55         exit ${EXIT_OK}
  56 }
  57
  58 function hook_edit() {
  59         local port=${1}
  60         assert isset port
  61         shift
  62
  63         config_read $(port_file ${port})
  64
  65         while [ $# -gt 0 ]; do
  66                 case "${1}" in
  67                         --address=*)
  68                                 ADDRESS=$(cli_get_val ${1})
  69                                 ;;
  70                         *)
  71                                 warning "Unknown argument '${1}'"
  72                                 ;;
  73                 esac
  74                 shift
  75         done
  76
  77         config_write $(port_file ${port}) ${HOOK_SETTINGS}
  78
  79         exit ${EXIT_OK}
  80 }
  81
  82 function hook_up() {
  83         local port=${1}
  84         assert isset port
  85
  86         config_read $(port_file ${port})
  87
  88         # Create device if not already exists.
  89         if ! device_exists ${port}; then
  90                 dummy_create ${port} "${ADDRESS}"
  91         fi
  92
  93         # Bring up the port.
  94         device_set_up ${port}
  95
  96         exit ${EXIT_OK}
  97 }
  98
  99 function hook_down() {
 100         local port=${1}
 101         assert isset port
 102
 103         if ! device_exists ${port}; then
 104                 exit ${EXIT_OK}
 105         fi
 106
 107         # Tear down the port.
 108         device_set_down ${port}
 109
 110         # Remove the dummy port.
 111         dummy_remove ${port}
 112
 113         exit ${EXIT_OK}
 114 }
 115
 116 function hook_hotplug_rename() {
 117         local port=${1}
 118         assert isset port
 119
 120         local device=${2}
 121         assert isset device
 122
 123         config_read $(port_file ${port})
 124
 125         if [ "${ADDRESS}" = "$(device_get_address ${device})" ]; then
 126                 log DEBUG "Device '${device}' equals port '${port}'."
 127                 exit ${EXIT_OK}
 128         fi
 129
 130         log DEBUG "Device '${device}' does not equal port '${port}'."
 131         exit ${EXIT_ERROR}
 132 }