AuroraMiddleware/mbedtls
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Server does not send out extensions not advertised by client

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This commit is contained in:
Paul Bakker 2013-10-28 12:54:26 +01:00
parent 6888167e73
commit 677377f472
3 changed files with 19 additions and 1 deletions
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4
ChangeLog
View File

@ -1,5 +1,9 @@
PolarSSL ChangeLog (Sorted per branch, date)
= PolarSSL 1.3 branch
Bugfix
* Server does not send out extensions not advertised by client
= PolarSSL 1.3.1 released on 2013-10-15
Features
* Support for Brainpool curves and TLS ciphersuites (RFC 7027)

8
include/polarssl/ssl.h
View File

@ -342,6 +342,13 @@
#define TLS_EXT_RENEGOTIATION_INFO 0xFF01
/*
* TLS extension flags (for extensions with outgoing ServerHello content
* that need it (e.g. for RENEGOTIATION_INFO the server already knows because
* of state of the renegotiation flag, so no indicator is required)
*/
#define TLS_EXT_SUPPORTED_POINT_FORMATS_PRESENT (1 << 0)
/*
* Size defines
*/
@ -546,6 +553,7 @@ struct _ssl_handshake_params
int resume; /*!< session resume indicator*/
int max_major_ver; /*!< max. major version client*/
int max_minor_ver; /*!< max. minor version client*/
int cli_exts; /*!< client extension presence*/
#if defined(POLARSSL_SSL_SESSION_TICKETS)
int new_session_ticket; /*!< use NewSessionTicket? */

8
library/ssl_srv.c
View File

@ -1270,6 +1270,7 @@ static int ssl_parse_client_hello( ssl_context *ssl )
case TLS_EXT_SUPPORTED_POINT_FORMATS:
SSL_DEBUG_MSG( 3, ( "found supported point formats extension" ) );
ssl->handshake->cli_exts |= TLS_EXT_SUPPORTED_POINT_FORMATS_PRESENT;
ret = ssl_parse_supported_point_formats( ssl, ext + 4, ext_size );
if( ret != 0 )
@ -1546,7 +1547,12 @@ static void ssl_write_supported_point_formats_ext( ssl_context *ssl,
unsigned char *p = buf;
((void) ssl);
*olen = 0;
if( ( ssl->handshake->cli_exts &
TLS_EXT_SUPPORTED_POINT_FORMATS_PRESENT ) == 0 )
{
*olen = 0;
return;
}
SSL_DEBUG_MSG( 3, ( "server hello, supported_point_formats extension" ) );