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Jouni Malinen 3ab35a6603 Extend EAPOL frames processing workaround for roaming cases 
Commit 1ff733383f added a mechanism to
work around issues due to association events and EAPOL RX events being
getting reordered. However, this applied only for the case where
wpa_supplicant is not in associated state. The same issue can happen in
roaming case with drivers that perform BSS selection internally (or in
firmware). Handle that case similarly by delaying received EAPOL frame
processing if the source address of the EAPOL frame does not match the
current BSSID.

Since wired IEEE 802.1X do not have BSSID, make this additional
workaround conditional on BSSID match having been observed during the
previous association.

This fixes issues where the initial EAPOL frame after reassociation was
either dropped (e.g., due to replay counter not increasing) or replied
to with incorrect destination address (the BSSID of the old AP). This
can result in significantly more robust roaming behavior with drivers
that do not use wpa_supplicant for BSS selection.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
 		12 years ago
doc D-Bus: Add AutoScan interface method to set/unset autoscan parameters 12 years ago
eap_example Remove the GPL notification from files contributed by Jouni Malinen 12 years ago
hostapd Introduce 60 GHz band 12 years ago
mac80211_hwsim Remove the GPL notification from files contributed by Atheros 12 years ago
patches Add OpenSSL 0.9.8x patch for EAP-FAST 12 years ago
radius_example Fix memory leaks on radius_client_send error paths 12 years ago
src Add Acct-Session-Id into Access-Request messages 12 years ago
tests Add aes_gmac() as a wrapper for AES GMAC operations using GCM 12 years ago
wlantest wlantest: Process TX status frames as RX frames too 12 years ago
wpa_supplicant Extend EAPOL frames processing workaround for roaming cases 12 years ago
.gitignore Move .config to the toplevel .gitignore 13 years ago
CONTRIBUTIONS Select the BSD license terms as the only license alternative 12 years ago
COPYING Select the BSD license terms as the only license alternative 12 years ago
README Select the BSD license terms as the only license alternative 12 years ago
build_release Remove scripts and notes related to the Windows binary package 12 years ago

README 

wpa_supplicant and hostapd
--------------------------

Copyright (c) 2002-2012, Jouni Malinen <j@w1.fi> and contributors
All Rights Reserved.

These programs are licensed under the BSD license (the one with
advertisement clause removed).

If you are submitting changes to the project, please see CONTRIBUTIONS
file for more instructions.


This package may include either wpa_supplicant, hostapd, or both. See
README file respective subdirectories (wpa_supplicant/README or
hostapd/README) for more details.

Source code files were moved around in v0.6.x releases and compared to
earlier releases, the programs are now built by first going to a
subdirectory (wpa_supplicant or hostapd) and creating build
configuration (.config) and running 'make' there (for Linux/BSD/cygwin
builds).


License
-------

This software may be distributed, used, and modified under the terms of
BSD license:

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:

1. Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright
   notice, this list of conditions and the following disclaimer in the
   documentation and/or other materials provided with the distribution.

3. Neither the name(s) of the above-listed copyright holder(s) nor the
   names of its contributors may be used to endorse or promote products
   derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.