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add dummy client hello process

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Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
This commit is contained in:
Jerry Yu
2021-08-17 10:44:40 +08:00
parent beb3f41f2f
commit a13c7e739c
2 changed files with 52 additions and 2 deletions
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3
include/mbedtls/ssl.h
View File

@ -573,6 +573,9 @@ typedef enum
MBEDTLS_SSL_HANDSHAKE_OVER,
MBEDTLS_SSL_SERVER_NEW_SESSION_TICKET,
MBEDTLS_SSL_SERVER_HELLO_VERIFY_REQUEST_SENT,
#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
MBEDTLS_SSL_ENCRYPTED_EXTENSIONS,
#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
}
mbedtls_ssl_states;

51
library/ssl_tls13_client.c
View File

@ -26,11 +26,58 @@
#if defined(MBEDTLS_SSL_CLI_C)
#include "ssl_misc.h"
#include <mbedtls/debug.h>
static int ssl_client_hello_process( mbedtls_ssl_context* ssl );
int mbedtls_ssl_handshake_client_step_tls1_3( mbedtls_ssl_context *ssl )
{
((void) ssl);
return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE );
int ret = 0;
if( ssl->state == MBEDTLS_SSL_HANDSHAKE_OVER || ssl->handshake == NULL )
{
MBEDTLS_SSL_DEBUG_MSG( 2, ( "Handshake completed but ssl->handshake is NULL.\n" ) );
return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
}
MBEDTLS_SSL_DEBUG_MSG( 2, ( "client state: %d", ssl->state ) );
switch( ssl->state )
{
case MBEDTLS_SSL_HELLO_REQUEST:
mbedtls_ssl_handshake_set_state( ssl, MBEDTLS_SSL_CLIENT_HELLO );
break;
case MBEDTLS_SSL_CLIENT_HELLO:
ret = ssl_client_hello_process( ssl );
break;
case MBEDTLS_SSL_SERVER_HELLO:
// Stop here : we haven't finished whole flow
ret=MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE;
mbedtls_ssl_handshake_set_state( ssl, MBEDTLS_SSL_ENCRYPTED_EXTENSIONS );
break;
default:
MBEDTLS_SSL_DEBUG_MSG( 1, ( "invalid state %d", ssl->state ) );
return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
}
return( ret );
}
static int ssl_client_hello_process( mbedtls_ssl_context* ssl )
{
int ret = 0;
MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> write client hello" ) );
mbedtls_ssl_handshake_set_state( ssl, MBEDTLS_SSL_SERVER_HELLO );
MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= write client hello" ) );
/* client_hello_process haven't finished */
ret=MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE;
return ret;
}
#endif /* MBEDTLS_SSL_CLI_C */