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 MTU SSID KEY ENCRYPTION_MODE"
  25
  26 # Default values
  27 ADDRESS=$(mac_generate)
  28 PHY=
  29 MTU=1500
  30 SSID=
  31 KEY=
  32 ENCRYPTION_MODE=
  33
  34 hook_check_settings() {
  35         assert isset SSID
  36
  37         if isset ADDRESS; then
  38                 assert ismac ADDRESS
  39         fi
  40
  41         assert isinteger MTU
  42         assert ismac PHY
  43
  44         if [ -n "${ENCRYPTION_MODE}" ]; then
  45                 assert isset KEY
  46         fi
  47 }
  48
  49 hook_parse_cmdline() {
  50         while [ $# -gt 0 ]; do
  51                 case "${1}" in
  52                         --phy=*|--parent-device=*)
  53                                 PHY=$(cli_get_val ${1})
  54                                 ;;
  55                         --encryption-mode=*)
  56                                 ENCRYPTION_MODE=$(cli_get_val ${1})
  57                                 ;;
  58                         --address=*)
  59                                 ADDRESS=$(cli_get_val ${1})
  60                                 ;;
  61                         --ssid=*)
  62                                 SSID=$(cli_get_val ${1})
  63                                 ;;
  64                         --key=*)
  65                                 KEY=$(cli_get_val ${1})
  66                                 ;;
  67                         *)
  68                                 warning "Unrecognized option: ${1}"
  69                                 ;;
  70                 esac
  71                 shift
  72         done
  73
  74         # Just save the MAC address of the phy.
  75         PHY=$(phy_get ${PHY})
  76         PHY=$(phy_get_address ${PHY})
  77 }
  78
  79 hook_up() {
  80         local zone=${1}
  81         assert isset zone
  82
  83         # Read zone configuration.
  84         zone_settings_read "${zone}"
  85
  86         if ! device_exists ${zone}; then
  87                 #  Create the wireless interface.
  88                 wireless_create ${zone} \
  89                         --phy=${PHY} \
  90                         --type="managed" \
  91                         --address="${ADDRESS}" \
  92                 || exit $?
  93         fi
  94
  95         # Start the WPA supplicant daemon.
  96         wpa_supplicant_start ${zone}
  97
  98         zone_configs_up ${zone}
  99
 100         exit ${EXIT_OK}
 101 }
 102
 103 hook_down() {
 104         local zone=${1}
 105         shift
 106
 107         if ! device_is_up ${zone}; then
 108                 warning "Zone '${zone}' is not up"
 109                 exit ${EXIT_OK}
 110         fi
 111
 112         zone_configs_down ${zone}
 113
 114         wpa_supplicant_stop ${zone}
 115
 116         wireless_remove ${zone}
 117
 118         exit ${EXIT_OK}
 119 }
 120
 121 hook_status() {
 122         local zone=${1}
 123         assert isset zone
 124
 125         # Print the default header.
 126         cli_device_headline ${zone}
 127
 128         # Exit if zone is down
 129         if ! zone_is_up ${zone}; then
 130                 echo # Empty line
 131                 exit ${EXIT_ERROR}
 132         fi
 133
 134         cli_headline 2 "Wireless network information"
 135         cli_print_fmt1 2 "SSID" "$(wpa_cli_status_get ${zone} ssid)"
 136         cli_space
 137
 138         cli_headline 3 "Access Point"
 139         local bssid=$(wpa_cli_status_get ${zone} bssid)
 140         assert isset bssid
 141
 142         cli_print_fmt1 3 "BSSID" "${bssid}"
 143         cli_print_fmt1 3 "Frequency" \
 144                 "$(wpa_cli_bss_get_frequency ${zone} ${bssid}) MHz"
 145         cli_print_fmt1 3 "Noise" \
 146                 "$(wpa_cli_bss_get_noise ${zone} ${bssid})"
 147         cli_print_fmt1 3 "Quality" \
 148                 "$(wpa_cli_bss_get_quality ${zone} ${bssid})"
 149         cli_print_fmt1 3 "Flags" \
 150                 "$(wpa_cli_bss_get_flags ${zone} ${bssid})"
 151         cli_space
 152
 153         cli_headline 3 "Encryption"
 154         cli_print_fmt1 3 "Mode" \
 155                 "$(wpa_cli_status_get ${zone} key_mgmt)"
 156         cli_print_fmt1 3 "Pairwise cipher" \
 157                 "$(wpa_cli_status_get ${zone} pairwise_cipher)"
 158         cli_print_fmt1 3 "Group cipher" \
 159                 "$(wpa_cli_status_get ${zone} group_cipher)"
 160         cli_space
 161
 162         cli_headline 2 "Configurations"
 163         zone_configs_cmd status ${zone}
 164         cli_space
 165
 166         exit ${EXIT_OK}
 167 }