src/functions/functions.wireless-mesh

   1 #!/bin/bash
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2017  IPFire Network Development Team                         #
   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 wireless_mesh_to_wpa_supplicant() {
  23         local device="${1}"
  24         shift
  25
  26         local file="${WPA_SUPPLICANT_CONF_DIR}/${device}.conf"
  27
  28         local channel
  29         local mesh_id
  30         local psk
  31
  32         local arg
  33         for arg in "$@"; do
  34                 case "${arg}" in
  35                         --channel=*)
  36                                 channel=$(cli_get_val "${arg}")
  37                                 ;;
  38                         --mesh-id=*)
  39                                 mesh_id=$(cli_get_val "${arg}")
  40                                 ;;
  41                         --pre-shared-key=*)
  42                                 psk=$(cli_get_val "${arg}")
  43                                 ;;
  44                         *)
  45                                 error "Unrecognized argument: ${arg}"
  46                                 return ${EXIT_ERROR}
  47                                 ;;
  48                 esac
  49         done
  50
  51         if ! isset mesh_id; then
  52                 error "Mesh ID is not set"
  53                 return ${EXIT_ERROR}
  54         fi
  55
  56         if ! wireless_channel_is_valid "${channel}"; then
  57                 error "Invalid wireless channel given: ${channel}"
  58                 return ${EXIT_ERROR}
  59         fi
  60
  61         # Ensure we can write the file
  62         make_parent_directory "${file}"
  63
  64         (
  65                 # Write a config header
  66                 wpa_supplicant_config_header
  67
  68                 print_indent 0 "# ${MESH_ID}"
  69                 print_indent 0 "network={"
  70                 print_indent 1 "ssid=\"${MESH_ID}\""
  71                 print
  72
  73                 print_indent 1 "# Launch in 802.11s mesh mode"
  74                 print_indent 1 "mode=5"
  75                 print
  76
  77                 # Authentication
  78                 print_indent 1 "# Authentication"
  79                 if isset psk; then
  80                         print_indent 1 "key_mgmt=SAE"
  81                         print_indent 1 "psk=\"${psk}\""
  82                 else
  83                         print_indent 1 "key_mgmt=NONE"
  84                 fi
  85                 print
  86
  87                 # Frequency
  88                 if isset channel; then
  89                         print " frequency=$(wireless_channel_to_frequency "${channel}")"
  90                 fi
  91
  92                 print "}"
  93         ) > ${file}
  94 }