src/hooks/ports/wireless-ap

   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 BROADCAST_SSID CHANNEL COUNTRY_CODE MODE PHY SSID"
  25 HOOK_SETTINGS="${HOOK_SETTINGS} ENCRYPTION KEY"
  26
  27 ADDRESS=$(mac_generate)
  28 BROADCAST_SSID=on
  29 CHANNEL=1
  30 COUNTRY_CODE="US"
  31 ENCRYPTION=""
  32 KEY=""
  33 MODE="g"
  34 SSID=
  35
  36 function hook_check() {
  37         assert isset ADDRESS
  38         assert ismac ADDRESS
  39         assert isset BROADCAST_SSID
  40         assert isbool BROADCAST_SSID
  41         assert isset CHANNEL
  42         assert isset COUNTRY_CODE
  43         assert isset MODE
  44         assert isoneof MODE a b g n
  45         assert isset PHY
  46         assert ismac PHY
  47         assert isset SSID
  48
  49         if isset ENCRYPTION; then
  50                 assert isoneof ENCRYPTION WPA WPA2 WPA/WPA2
  51
  52                 assert isset KEY
  53                 assert [ ${#KEY} -ge 8 ]
  54                 assert [ ${#KEY} -le 63 ]
  55         fi
  56 }
  57
  58 function hook_create() {
  59         while [ $# -gt 0 ]; do
  60                 case "${1}" in
  61                         --broadcast-ssid=*)
  62                                 BROADCAST_SSID=$(cli_get_val ${1})
  63                                 ;;
  64                         --channel=*)
  65                                 CHANNEL=$(cli_get_val ${1})
  66                                 ;;
  67                         --country-code=*)
  68                                 COUNTRY_CODE=$(cli_get_val ${1})
  69                                 ;;
  70                         --encryption=*)
  71                                 ENCRYPTION=$(cli_get_val ${1})
  72                                 ;;
  73                         --key=*)
  74                                 KEY=$(cli_get_val ${1})
  75                                 ;;
  76                         --mac=*)
  77                                 ADDRESS=$(cli_get_val ${1})
  78                                 ;;
  79                         --mode=*)
  80                                 MODE=$(cli_get_val ${1})
  81                                 ;;
  82                         --phy=*)
  83                                 PHY=$(cli_get_val ${1})
  84                                 ;;
  85                         --ssid=*)
  86                                 SSID=$(cli_get_val ${1})
  87                                 ;;
  88                         *)
  89                                 warning "Ignoring unknown argument '${1}'"
  90                                 ;;
  91                 esac
  92                 shift
  93         done
  94
  95         # Save address of phy do identify it again
  96         PHY=$(phy_get ${PHY})
  97         PHY=$(phy_get_address ${PHY})
  98
  99         local port=$(port_find_free ${PORT_PATTERN_ACCESSPOINT})
 100         assert isset port
 101
 102         config_write $(port_file ${port}) ${HOOK_SETTINGS}
 103
 104         exit ${EXIT_OK}
 105 }
 106
 107 function hook_edit() {
 108         local port=${1}
 109         shift
 110
 111         assert isset port
 112
 113         config_read $(port_file ${port})
 114
 115         while [ $# -gt 0 ]; do
 116                 case "${1}" in
 117                         --broadcast-ssid=*)
 118                                 BROADCAST_SSID=$(cli_get_val ${1})
 119                                 ;;
 120                         --channel=*)
 121                                 CHANNEL=$(cli_get_val ${1})
 122                                 ;;
 123                         --country-code=*)
 124                                 COUNTRY_CODE=$(cli_get_val ${1})
 125                                 ;;
 126                         --encryption=*)
 127                                 ENCRYPTION=$(cli_get_val ${1})
 128                                 ;;
 129                         --key=*)
 130                                 KEY=$(cli_get_val ${1})
 131                                 ;;
 132                         --ssid=*)
 133                                 SSID=$(cli_get_val ${1})
 134                                 ;;
 135                         --mode=*)
 136                                 MODE=$(cli_get_val ${1})
 137                                 ;;
 138                         *)
 139                                 warning "Unknown argument '${1}'"
 140                                 ;;
 141                 esac
 142                 shift
 143         done
 144
 145         config_write $(port_file ${port}) ${HOOK_SETTINGS}
 146
 147         exit ${EXIT_OK}
 148 }
 149
 150 function hook_up() {
 151         local port=${1}
 152         assert isset port
 153
 154         config_read $(port_file ${port})
 155
 156         # Check if the PHY is present.
 157         local phy=$(phy_get ${PHY})
 158         if ! isset phy; then
 159                 log DEBUG "phy '${PHY}' is not present"
 160                 exit ${EXIT_ERROR}
 161         fi
 162
 163         # Create the wireless device, if it does not exist, yet.
 164         if ! device_exists ${port}; then
 165                 wireless_create ${port} --phy="${phy}" --type="ap" \
 166                         --address="${ADDRESS}"
 167         fi
 168
 169         # Start the hostapd service.
 170         hostapd_start ${port}
 171         local ret=$?
 172
 173         if [ ${ret} -ne ${EXIT_OK} ]; then
 174                 log ERROR "Could not start hostapd on port '${port}': ${ret}"
 175                 exit ${EXIT_ERROR}
 176         fi
 177
 178         exit ${EXIT_OK}
 179 }
 180
 181 function hook_down() {
 182         local port=${1}
 183         assert isset port
 184
 185         # Stop the hostapd daemon.
 186         hostapd_stop ${port}
 187
 188         # Remove the device if it is still present.
 189         if device_exists ${port}; then
 190                 wireless_remove ${port}
 191         fi
 192
 193         exit ${EXIT_OK}
 194 }
 195
 196 function hook_hotplug() {
 197         local port=${1}
 198         assert isset port
 199
 200         local phy=${2}
 201         assert isset phy
 202
 203         assert port_exists ${port}
 204
 205         # Read configuration of port.
 206         config_read $(port_file ${port})
 207
 208         # Get the address of the phy.
 209         local phy_address=$(phy_get_address ${phy})
 210
 211         # Check if the phy is the same we have
 212         # read from the configuration file.
 213         if [ "${PHY}" = "${phy_address}" ]; then
 214                 wireless_create ${port} --phy="${phy_address}" --type="ap" \
 215                         --address="${ADDRESS}"
 216         fi
 217
 218         exit ${EXIT_OK}
 219 }