src/hooks/zones/wireless

   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-zone
  23
  24 HOOK_SETTINGS="HOOK PHY MAC SSID KEY ENCRYPTION_MODE"
  25
  26 # Default values
  27 ADDRESS=$(mac_generate)
  28 PHY=
  29 SSID=
  30 KEY=
  31 ENCRYPTION_MODE=
  32
  33 hook_check_settings() {
  34         assert isset SSID
  35
  36         if isset ADDRESS; then
  37                 assert ismac ADDRESS
  38         fi
  39
  40         assert ismac PHY
  41
  42         if [ -n "${ENCRYPTION_MODE}" ]; then
  43                 assert isset KEY
  44         fi
  45 }
  46
  47 hook_parse_cmdline() {
  48         while [ $# -gt 0 ]; do
  49                 case "${1}" in
  50                         --phy=*|--parent-device=*)
  51                                 PHY=$(cli_get_val "${1}")
  52                                 ;;
  53                         --encryption-mode=*)
  54                                 ENCRYPTION_MODE=$(cli_get_val "${1}")
  55                                 ;;
  56                         --address=*)
  57                                 ADDRESS=$(cli_get_val "${1}")
  58                                 ;;
  59                         --ssid=*)
  60                                 SSID=$(cli_get_val "${1}")
  61                                 ;;
  62                         --key=*)
  63                                 KEY=$(cli_get_val "${1}")
  64                                 ;;
  65                         *)
  66                                 warning "Unrecognized option: ${1}"
  67                                 ;;
  68                 esac
  69                 shift
  70         done
  71
  72         # Just save the MAC address of the phy.
  73         PHY=$(phy_get ${PHY})
  74         PHY=$(phy_get_address ${PHY})
  75 }
  76
  77 hook_up() {
  78         local zone=${1}
  79         assert isset zone
  80
  81         # Read zone configuration.
  82         zone_settings_read "${zone}"
  83
  84         if ! device_exists ${zone}; then
  85                 #  Create the wireless interface.
  86                 wireless_create ${zone} \
  87                         --phy=${PHY} \
  88                         --type="managed" \
  89                         --address="${ADDRESS}" \
  90                 || exit $?
  91         fi
  92
  93         # Write WPA supplicant configuration
  94         wpa_supplicant_config_write "${zone}" \
  95                 --mode="${ENCRYPTION_MODE}" \
  96                 --ssid="${SSID}" \
  97                 --key="${KEY}" || return $?
  98
  99         # Start the WPA supplicant daemon.
 100         wpa_supplicant_start ${zone}
 101
 102         zone_configs_up ${zone}
 103
 104         exit ${EXIT_OK}
 105 }
 106
 107 hook_down() {
 108         local zone=${1}
 109         shift
 110
 111         if ! device_is_up ${zone}; then
 112                 warning "Zone '${zone}' is not up"
 113                 exit ${EXIT_OK}
 114         fi
 115
 116         zone_configs_down ${zone}
 117
 118         wpa_supplicant_stop ${zone}
 119
 120         # Remove WPA supplicant configuration
 121         wpa_supplicant_config_destroy "${zone}"
 122
 123         wireless_remove ${zone}
 124
 125         exit ${EXIT_OK}
 126 }
 127
 128 hook_status() {
 129         local zone=${1}
 130         assert isset zone
 131
 132         # Print the default header.
 133         cli_device_headline ${zone}
 134
 135         # Exit if zone is down
 136         if ! zone_is_up ${zone}; then
 137                 echo # Empty line
 138                 exit ${EXIT_ERROR}
 139         fi
 140
 141         cli_headline 2 "Wireless network information"
 142         cli_print_fmt1 2 "SSID" "$(wpa_cli_status_get ${zone} ssid)"
 143         cli_space
 144
 145         cli_headline 3 "Access Point"
 146         local bssid=$(wpa_cli_status_get ${zone} bssid)
 147         assert isset bssid
 148
 149         local frequency=$(wpa_cli_bss_get_frequency "${zone}" "${bssid}")
 150         cli_print_fmt1 3 "Channel" "$(wireless_frequency_to_channel ${frequency}) (${frequency} MHz)"
 151         cli_print_fmt1 3 "BSSID" "${bssid}"
 152         cli_print_fmt1 3 "Noise" \
 153                 "$(wpa_cli_bss_get_noise ${zone} ${bssid})"
 154         cli_print_fmt1 3 "Quality" \
 155                 "$(wpa_cli_bss_get_quality ${zone} ${bssid})%%"
 156         cli_print_fmt1 3 "Flags" \
 157                 "$(wpa_cli_bss_get_flags ${zone} ${bssid})"
 158         cli_space
 159
 160         cli_headline 3 "Encryption"
 161         cli_print_fmt1 3 "Mode" \
 162                 "$(wpa_cli_status_get ${zone} key_mgmt)"
 163         cli_print_fmt1 3 "Pairwise cipher" \
 164                 "$(wpa_cli_status_get ${zone} pairwise_cipher)"
 165         cli_print_fmt1 3 "Group cipher" \
 166                 "$(wpa_cli_status_get ${zone} group_cipher)"
 167         cli_space
 168
 169         cli_headline 2 "Configurations"
 170         zone_configs_cmd status ${zone}
 171         cli_space
 172
 173         exit ${EXIT_OK}
 174 }