#!/bin/sh

# Copyright (C) 2006 - 2009 Debian/Ubuntu wpasupplicant Maintainers
# <[email protected]>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# On Debian GNU/Linux systems, the text of the GPL license,
# version 2, can be found in /usr/share/common-licenses/GPL-2.

if [ -n "$IF_WPA_ROAM_MAINT_DEBUG" ]; then
set -x
fi

if [ -z "$1" ] || [ -z "$2" ]; then
echo "Usage: $0 IFACE ACTION"
exit 1
fi

# network interface
WPA_IFACE="$1"
# [CONNECTED|DISCONNECTED|stop|reload|check]
WPA_ACTION="$2"

if [ -f /etc/wpa_supplicant/functions.sh ]; then
. /etc/wpa_supplicant/functions.sh
else
exit 0
fi

case "$WPA_ACTION" in
"CONNECTED")
wpa_log_env
wpa_hysteresis_check || exit 1
wpa_hysteresis_event
if ifup; then
wpa_cli status | wpa_msg log
else
wpa_cli status | wpa_msg log
wpa_cli reassociate
fi
;;

"DISCONNECTED")
wpa_log_env
wpa_hysteresis_check || exit 1
ifdown
if_post_down_up
;;

"stop"|"down")
test_wpa_cli && kill_wpa_cli
ifdown
test_wpa_supplicant && kill_wpa_supplicant
;;

"restart"|"reload")
test_wpa_supplicant || exit 1
reload_wpa_supplicant
;;

"check")
test_wpa_supplicant || exit 1
test_wpa_cli || exit 1
;;

*)
echo "Unknown action: \"$WPA_ACTION\""
exit 1
;;
esac

exit 0