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base64_decode() also forcefully returns on dst == NULL

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This commit is contained in:
Paul Bakker 2013-07-05 10:29:12 +02:00
parent 82024bf7b9
commit f4a1427ae7
2 changed files with 6 additions and 6 deletions
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4
library/base64.c
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@ -1,7 +1,7 @@
/*
* RFC 1521 base64 encoding/decoding
*
* Copyright (C) 2006-2010, Brainspark B.V.
* Copyright (C) 2006-2013, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
@ -163,7 +163,7 @@ int base64_decode( unsigned char *dst, size_t *dlen,
n = ((n * 6) + 7) >> 3;
if( *dlen < n )
if( dst == NULL || *dlen < n )
{
*dlen = n;
return( POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL );