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Secure renegotiation extension should only be sent in case client supports secure renegotiation

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(cherry picked from commit 7c3c3899cf)
This commit is contained in:
Paul Bakker 2013-06-24 12:05:39 +02:00
parent de65623f3e
commit 2013950545
1 changed files with 22 additions and 19 deletions
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41
library/ssl_srv.c
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@ -983,31 +983,34 @@ static int ssl_write_server_hello( ssl_context *ssl )
SSL_DEBUG_MSG( 3, ( "server hello, compress alg.: %d",
ssl->session_negotiate->compression ) );
SSL_DEBUG_MSG( 3, ( "server hello, prepping for secure renegotiation extension" ) );
ext_len += 5 + ssl->verify_data_len * 2;
if( ssl->secure_renegotiation == SSL_SECURE_RENEGOTIATION )
{
SSL_DEBUG_MSG( 3, ( "server hello, prepping for secure renegotiation extension" ) );
ext_len += 5 + ssl->verify_data_len * 2;
SSL_DEBUG_MSG( 3, ( "server hello, total extension length: %d",
ext_len ) );
SSL_DEBUG_MSG( 3, ( "server hello, total extension length: %d",
ext_len ) );
*p++ = (unsigned char)( ( ext_len >> 8 ) & 0xFF );
*p++ = (unsigned char)( ( ext_len ) & 0xFF );
*p++ = (unsigned char)( ( ext_len >> 8 ) & 0xFF );
*p++ = (unsigned char)( ( ext_len ) & 0xFF );
/*
* Secure renegotiation
*/
SSL_DEBUG_MSG( 3, ( "client hello, secure renegotiation extension" ) );
/*
* Secure renegotiation
*/
SSL_DEBUG_MSG( 3, ( "client hello, secure renegotiation extension" ) );
*p++ = (unsigned char)( ( TLS_EXT_RENEGOTIATION_INFO >> 8 ) & 0xFF );
*p++ = (unsigned char)( ( TLS_EXT_RENEGOTIATION_INFO ) & 0xFF );
*p++ = (unsigned char)( ( TLS_EXT_RENEGOTIATION_INFO >> 8 ) & 0xFF );
*p++ = (unsigned char)( ( TLS_EXT_RENEGOTIATION_INFO ) & 0xFF );
*p++ = 0x00;
*p++ = ( ssl->verify_data_len * 2 + 1 ) & 0xFF;
*p++ = ssl->verify_data_len * 2 & 0xFF;
*p++ = 0x00;
*p++ = ( ssl->verify_data_len * 2 + 1 ) & 0xFF;
*p++ = ssl->verify_data_len * 2 & 0xFF;
memcpy( p, ssl->peer_verify_data, ssl->verify_data_len );
p += ssl->verify_data_len;
memcpy( p, ssl->own_verify_data, ssl->verify_data_len );
p += ssl->verify_data_len;
memcpy( p, ssl->peer_verify_data, ssl->verify_data_len );
p += ssl->verify_data_len;
memcpy( p, ssl->own_verify_data, ssl->verify_data_len );
p += ssl->verify_data_len;
}
ssl->out_msglen = p - buf;
ssl->out_msgtype = SSL_MSG_HANDSHAKE;