src/functions/functions.phy

   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 PHY_DIR="/sys/class/ieee80211"
  23
  24 function phy_dir() {
  25         local phy=${1}
  26
  27         echo "${PHY_DIR}/${phy}"
  28 }
  29
  30 function phy_exists() {
  31         local phy=${1}
  32         assert isset phy
  33
  34         [ -d "$(phy_dir ${phy})" ]
  35 }
  36
  37 function phy_list() {
  38         local phy
  39
  40         for phy in $(phy_dir)/*; do
  41                 [ -d "${phy}" ] || continue
  42
  43                 basename ${phy}
  44         done
  45 }
  46
  47 function phy_get() {
  48         local info=${1}
  49
  50         local phy
  51
  52         if listmatch ${info} $(phy_list); then
  53                 phy="${info}"
  54         elif device_exists ${info}; then
  55                 info=$(device_get_address ${info})
  56         fi
  57
  58         if [ -z "${phy}" ] && mac_is_valid ${info}; then
  59                 local i
  60                 for i in $(phy_list); do
  61                         if [ "${info}" = "$(phy_get_address ${i})" ]; then
  62                                 phy=${i}
  63                                 break
  64                         fi
  65                 done
  66         fi
  67
  68         if [ -z "${phy}" ]; then
  69                 return ${EXIT_ERROR}
  70         fi
  71
  72         echo "${phy}"
  73         return ${EXIT_OK}
  74 }
  75
  76 function phy_get_address() {
  77         local phy=${1}
  78         assert isset phy
  79
  80         local path="$(phy_dir ${phy})/macaddress"
  81         [ -r "${path}" ] || return ${EXIT_ERROR}
  82
  83         print "$(<${path})"
  84 }