From: Holger Schurig <holgerschurig@gmail.com>
To: linux-wireless@vger.kernel.org
Subject: Re: [PATCH] wireless: wext: allocate space for NULL-termination for  32byte SSIDs
Date: Wed, 16 Dec 2009 09:26:13 +0100
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Cc: Albert Cahalan <acahalan@gmail.com>,
       Johannes Berg <johannes@sipsolutions.net>, m.hirsch@raumfeld.com,
       libertas-dev@lists.infradead.org, dcbw@redhat.com,
       netdev@vger.kernel.org, linux-kernel@vger.kernel.org, stable@kernel.org,
       daniel@caiaq.de, David Miller <davem@davemloft.net>
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> First of all, isn't TEST\0\0\0 simply the wrong length anyway?
> (that is, a length other than 32 is nonsense AFAIK)

No, the SSID IE in a beacon encodes also a length. So the beacons 
from SSID of TEST, TEST\0 and TEST\0\0\0 are different.

This is because in the beacon, the SSID is *NOT* an u8[32], but 
an IE, which is struct { u8 type, u8 length, u8 data[] };

-- 
http://www.holgerschurig.de
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