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From: Holger Schurig <holgerschurig@gmail.com>
To: linux-wireless@vger.kernel.org
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>
Subject: Re: [PATCH] wireless: wext: allocate space for NULL-termination for  32byte SSIDs
Date: Wed, 16 Dec 2009 09:26:13 +0100	[thread overview]
Message-ID: <200912160926.14062.holgerschurig@gmail.com> (raw)
In-Reply-To: <787b0d920912152254r4bd3e1e2l14fbe7c1fdf42e60@mail.gmail.com>

> 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

  parent reply	other threads:[~2009-12-16  8:27 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1260650850-16163-1-git-send-email-daniel@caiaq.de>
2009-12-15  9:43 ` [PATCH] wireless: wext: allocate space for NULL-termination for 32byte SSIDs David Miller
2009-12-15 10:03   ` Johannes Berg
2009-12-15 10:05     ` Johannes Berg
2009-12-15 10:07     ` Johannes Berg
2009-12-15 10:20       ` Daniel Mack
2009-12-15 10:31         ` Johannes Berg
2009-12-15 10:37           ` Daniel Mack
2009-12-15 10:30       ` Holger Schurig
2009-12-15 10:35         ` Johannes Berg
2009-12-16  6:54           ` Albert Cahalan
2009-12-16  8:19             ` Johannes Berg
2009-12-16  8:26             ` Holger Schurig [this message]
2009-12-16  3:58     ` Daniel Mack
2009-12-16  8:20       ` Johannes Berg

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