blob: a8e4f608a040661902807469950b9f0eeeb583f9 [file] [log] [blame]
#!/bin/bash
#
# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#
# Script that turns on useful logging for wpa_supplicant
WPA_LEVEL_LIST="excessive msgdump debug info warning error"
usage(){
echo "
Usage: wpa_debug [level]|[--reset]|[--help][--list_valid_levels]
wpa_debug sets the debug level of wpa_supplicant.
Current debug level is displayed if no parameters are provided
level: The level is the level we want to set the debugging level to. The valid
levels can be viewed by using the --list_valid_levels flag
eg: wpa_debug msgdump
Sets the wpa_supplicant logging level to msgdump
--reset : Resets the level to 'info'
--help : Displays this output
--list_valid_levels: Displays the valid levels wpa_supplicant can be set to
"
}
CMD_FLAG="<<cmd>>"
WPA_CMD="dbus-send --system --dest=fi.w1.wpa_supplicant1 --print-reply /fi/w1/wpa_supplicant1 org.freedesktop.DBus.Properties.$CMD_FLAG string:fi.w1.wpa_supplicant1 string:DebugLevel"
# Returns whether ot not $2 exists in $1 where $1 is a space
# separated list of tags
is_valid_tag(){
expr match " $1 " ".* $2 .*"> /dev/null
}
get_wpa_logging(){
set_cmd="`echo $WPA_CMD | sed "s/$CMD_FLAG/Get/"`"
$set_cmd | awk '/string/ { print substr($3, 2, length($3)-2); }'
}
set_wpa_logging(){
if ! is_valid_tag "$WPA_LEVEL_LIST" "$1"; then
return 1
fi
if [ $1 == `get_wpa_logging` ]; then
return 1
fi
set_cmd="`echo $WPA_CMD | sed "s/$CMD_FLAG/Set/"` variant:string:$1"
$set_cmd
}
if [ $# -gt 0 ]; then
for param in $@; do
case $param in
--reset)
set_wpa_logging "info"
;;
--list*)
echo "Valid levels are: `echo $WPA_LEVEL_LIST| sed 's/ /, /g'`"
exit 0
;;
--help|--*)
usage
exit 0
;;
*)
old_level="`get_wpa_logging`"
set_wpa_logging "$param"
echo "Old wpa level: $old_level"
;;
esac
done
fi
echo "Current wpa level: `get_wpa_logging`"