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=(
  25         "ADDRESS"
  26         "PHY"
  27 )
  28
  29 hook_check_settings() {
  30         assert ismac ADDRESS
  31         assert ismac PHY
  32 }
  33
  34 hook_parse_cmdline() {
  35         while [ $# -gt 0 ]; do
  36                 case "${1}" in
  37                         --address=*)
  38                                 ADDRESS=$(cli_get_val "${1}")
  39                                 ;;
  40                         --phy=*)
  41                                 PHY=$(cli_get_val "${1}")
  42                                 ;;
  43                         *)
  44                                 warning "Unrecognized option: ${1}"
  45                                 ;;
  46                 esac
  47                 shift
  48         done
  49
  50         # Just save the MAC address of the phy.
  51         PHY=$(phy_get ${PHY})
  52         PHY=$(phy_get_address ${PHY})
  53
  54         # Generate a random MAC address if none given
  55         if ! isset ADDRESS; then
  56                 ADDRESS="$(mac_generate)"
  57         fi
  58 }
  59
  60 hook_up() {
  61         local zone=${1}
  62         assert isset zone
  63
  64         # Read zone configuration.
  65         zone_settings_read "${zone}"
  66
  67         #  Create the wireless interface
  68         if ! device_exists "${zone}"; then
  69                 wireless_create "${zone}" \
  70                         --phy=${PHY} \
  71                         --type="managed" \
  72                         --address="${ADDRESS}" \
  73                 || return $?
  74         fi
  75
  76         # Write WPA supplicant configuration
  77         if ! wireless_networks_write_wpa_supplicant_configuration "${zone}"; then
  78                 log ERROR "Could not write WPA supplicant configuration for ${zone}"
  79                 return ${EXIT_ERROR}
  80         fi
  81
  82         # Start the WPA supplicant daemon.
  83         wpa_supplicant_start ${zone}
  84
  85         zone_configs_up ${zone}
  86
  87         return ${EXIT_OK}
  88 }
  89
  90 hook_down() {
  91         local zone=${1}
  92         shift
  93
  94         if ! device_is_up ${zone}; then
  95                 warning "Zone '${zone}' is not up"
  96                 exit ${EXIT_OK}
  97         fi
  98
  99         zone_configs_down ${zone}
 100
 101         wpa_supplicant_stop ${zone}
 102
 103         # Remove WPA supplicant configuration
 104         wpa_supplicant_config_destroy "${zone}"
 105
 106         wireless_remove ${zone}
 107
 108         exit ${EXIT_OK}
 109 }
 110
 111 hook_status() {
 112         local zone=${1}
 113         assert isset zone
 114
 115         # Print the default header.
 116         cli_device_headline ${zone}
 117
 118         # Exit if zone is down
 119         if ! zone_is_up ${zone}; then
 120                 echo # Empty line
 121                 exit ${EXIT_ERROR}
 122         fi
 123
 124         if wireless_client_is_connected "${zone}"; then
 125                 cli_headline 2 "Wireless network information"
 126                 cli_print_fmt1 2 "SSID" "$(wpa_cli_status_get ${zone} ssid)"
 127                 cli_space
 128
 129                 cli_headline 3 "Access Point"
 130                 local bssid=$(wpa_cli_status_get ${zone} bssid)
 131                 assert isset bssid
 132
 133                 local frequency=$(wpa_cli_bss_get_frequency "${zone}" "${bssid}")
 134                 cli_print_fmt1 3 "Channel" "$(wireless_frequency_to_channel ${frequency}) (${frequency} MHz)"
 135                 cli_print_fmt1 3 "BSSID" "${bssid}"
 136                 cli_print_fmt1 3 "Noise" \
 137                         "$(wpa_cli_bss_get_noise ${zone} ${bssid})"
 138                 cli_print_fmt1 3 "Quality" \
 139                         "$(wpa_cli_bss_get_quality ${zone} ${bssid})%%"
 140                 cli_print_fmt1 3 "Flags" \
 141                         "$(wpa_cli_bss_get_flags ${zone} ${bssid})"
 142                 cli_space
 143
 144                 cli_headline 3 "Encryption"
 145                 cli_print_fmt1 3 "Mode" \
 146                         "$(wpa_cli_status_get ${zone} key_mgmt)"
 147                 cli_print_fmt1 3 "Pairwise cipher" \
 148                         "$(wpa_cli_status_get ${zone} pairwise_cipher)"
 149                 cli_print_fmt1 3 "Group cipher" \
 150                         "$(wpa_cli_status_get ${zone} group_cipher)"
 151                 cli_space
 152         fi
 153
 154         cli_headline 2 "Configurations"
 155         zone_configs_cmd status ${zone}
 156         cli_space
 157
 158         exit ${EXIT_OK}
 159 }