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Avoid possible segfault on bad server ciphersuite

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Manuel Pégourié-Gonnard 2014-03-10 13:25:07 +01:00
parent 9533765b25
commit 3c599f11b0
1 changed files with 3 additions and 3 deletions
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6
library/ssl_cli.c
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@ -867,15 +867,15 @@ static int ssl_parse_server_hello( ssl_context *ssl )
* Initialize update checksum functions * Initialize update checksum functions
*/ */
ssl->transform_negotiate->ciphersuite_info = ssl_ciphersuite_from_id( i ); ssl->transform_negotiate->ciphersuite_info = ssl_ciphersuite_from_id( i );
ssl_optimize_checksum( ssl, ssl->transform_negotiate->ciphersuite_info );
if( ssl->transform_negotiate->ciphersuite_info == NULL ) if( ssl->transform_negotiate->ciphersuite_info == NULL )
{ {
SSL_DEBUG_MSG( 1, ( "ciphersuite info for %02x not found", SSL_DEBUG_MSG( 1, ( "ciphersuite info for %04x not found", i ) );
ssl->ciphersuite_list[ssl->minor_ver][i] ) );
return( POLARSSL_ERR_SSL_BAD_INPUT_DATA ); return( POLARSSL_ERR_SSL_BAD_INPUT_DATA );
} }
ssl_optimize_checksum( ssl, ssl->transform_negotiate->ciphersuite_info );
SSL_DEBUG_MSG( 3, ( "server hello, session id len.: %d", n ) ); SSL_DEBUG_MSG( 3, ( "server hello, session id len.: %d", n ) );
SSL_DEBUG_BUF( 3, "server hello, session id", buf + 39, n ); SSL_DEBUG_BUF( 3, "server hello, session id", buf + 39, n );