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