src/hooks/ports/wireless-mesh

   1 #!/bin/bash
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2017 Michael Tremer                                           #
   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_PORT_PATTERN="${PORT_PATTERN_MESH}"
  25
  26 HOOK_SETTINGS="HOOK ADDRESS MESH_ID CHANNEL PHY"
  27
  28 hook_check_settings() {
  29         assert ismac ADDRESS
  30         assert isset MESH_ID
  31         assert isset CHANNEL
  32         assert isset PHY
  33         assert ismac PHY
  34 }
  35
  36 hook_parse_cmdline() {
  37         while [ $# -gt 0 ]; do
  38                 case "${1}" in
  39                         --address=*)
  40                                 ADDRESS=$(cli_get_val "${1}")
  41                                 ;;
  42                         --channel=*)
  43                                 CHANNEL=$(cli_get_val "${1}")
  44                                 ;;
  45                         --mesh-id=*)
  46                                 MESH_ID=$(cli_get_val "${1}")
  47                                 ;;
  48                         --phy=*)
  49                                 PHY=$(cli_get_val "${1}")
  50                                 ;;
  51                         *)
  52                                 warning "Ignoring unknown argument '${1}'"
  53                                 ;;
  54                 esac
  55                 shift
  56         done
  57
  58         if ! isset MESH_ID; then
  59                 error "Please pass a mesh ID"
  60                 return ${EXIT_ERROR}
  61         fi
  62
  63         # Save address of phy do identify it again
  64         PHY=$(phy_get ${PHY})
  65         PHY=$(phy_get_address ${PHY})
  66
  67         # Generate a MAC address if none given
  68         if ! isset ADDRESS; then
  69                 ADDRESS=$(mac_generate)
  70         fi
  71
  72         # XXX check if wireless channel is valid
  73 }
  74
  75 hook_create() {
  76         local port="${1}"
  77         assert isset port
  78
  79         # Read settings
  80         port_settings_read "${port}" ${HOOK_SETTINGS}
  81
  82         # Check if the PHY is present.
  83         local phy="$(phy_get "${PHY}")"
  84         if ! isset phy; then
  85                 log DEBUG "phy '${PHY}' is not present"
  86                 return ${EXIT_ERROR}
  87         fi
  88
  89         # Create the wireless device, if it does not exist, yet.
  90         if ! device_exists "${port}"; then
  91                 wireless_create "${port}" \
  92                         --address="${ADDRESS}" \
  93                         --channel="${CHANNEL}" \
  94                         --phy="${phy}" \
  95                         --type="mesh-point" || return $?
  96         fi
  97
  98         return ${EXIT_OK}
  99 }
 100
 101 hook_remove() {
 102         local port="${1}"
 103         assert isset port
 104
 105         if device_exists "${port}"; then
 106                 wireless_remove "${port}"
 107         fi
 108
 109         exit ${EXIT_OK}
 110 }
 111
 112 hook_hotplug() {
 113         local port="${1}"
 114         assert isset port
 115
 116         port_settings_read "${port}" ${HOOK_SETTINGS}
 117
 118         case "$(hotplug_action)" in
 119                 add)
 120                         # Bring up the port when the phy is plugged in
 121                         if hotplug_event_port_uses_phy "${port}"; then
 122                                 hook_create "${port}" || exit $?
 123                         fi
 124                         ;;
 125
 126                 *)
 127                         exit ${EXIT_NOT_HANDLED}
 128                         ;;
 129         esac
 130
 131         exit ${EXIT_OK}
 132 }