linux-kernel - [PATCH 2.6.26-rc3] xfrm: Installing NULL encryption IPSec SAs fails

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Message-Id: <1211388907.26331.10.camel@martin>
Date:	Wed, 21 May 2008 11:55:06 -0500
From:	Martin Willi <martin@...ongswan.org>
To:	herbert@...dor.apana.org.au
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 2.6.26-rc3] xfrm: Installing NULL encryption IPSec SAs fails

Installing NULL encryption IPSec SAs works using the .compat name
"cipher_null", but fails with the .name "ecp(cipher_null)" due the
missing check in key length verification. 

Signed-off-by: Martin Willi <martin@...ongswan.org>

--- a/net/xfrm/xfrm_user.c 2008-05-21 11:34:56.000000000 -0500
+++ b/net/xfrm/xfrm_user.c 2008-05-21 11:20:08.000000000 -0500
@@ -57,6 +57,7 @@
 
        case XFRMA_ALG_CRYPT:
                if (!algp->alg_key_len &&
+                   strcmp(algp->alg_name, "ecb(cipher_null)") != 0 &&
                    strcmp(algp->alg_name, "cipher_null") != 0)
                        return -EINVAL;
                break;



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