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Change test queue errors to SSL_WANT_WRITE and SSL_WANT_READ

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Simulate real behavior better, so that higher abstraction layers know when
the buffers are empty and full.
This commit is contained in:
Andrzej Kurek 2020-02-07 08:19:00 -05:00
parent 00c858cfee
commit f46b9128b6
1 changed files with 16 additions and 18 deletions
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34
tests/suites/test_suite_ssl.function
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@ -158,8 +158,6 @@ int mbedtls_test_buffer_get( mbedtls_test_buffer *buf,
* Errors used in the message transport mock tests
*/
#define MBEDTLS_TEST_ERROR_ARG_NULL -11
#define MBEDTLS_TEST_ERROR_QUEUE_FULL -22
#define MBEDTLS_TEST_ERROR_QUEUE_EMPTY -33
#define MBEDTLS_TEST_ERROR_MESSAGE_TRUNCATED -44
/*
@ -212,7 +210,7 @@ void mbedtls_test_message_queue_free( mbedtls_test_message_queue *queue )
* This will become the last element to leave it (fifo).
*
* \retval MBEDTLS_TEST_ERROR_ARG_NULL, if the queue is null.
* \retval MBEDTLS_TEST_ERROR_QUEUE_FULL, if the queue is full.
* \retval MBEDTLS_ERR_SSL_WANT_WRITE, if the queue is full.
* \retval \p len, if the push was successful.
*/
int mbedtls_test_message_queue_push_info( mbedtls_test_message_queue *queue,
@ -223,7 +221,7 @@ int mbedtls_test_message_queue_push_info( mbedtls_test_message_queue *queue,
return MBEDTLS_TEST_ERROR_ARG_NULL;
if( queue->num >= queue->capacity )
return MBEDTLS_TEST_ERROR_QUEUE_FULL;
return MBEDTLS_ERR_SSL_WANT_WRITE;
place = ( queue->pos + queue->num ) % queue->capacity;
queue->messages[place] = len;
@ -237,7 +235,7 @@ int mbedtls_test_message_queue_push_info( mbedtls_test_message_queue *queue,
* case the data will be popped from the queue but not copied anywhere.
*
* \retval MBEDTLS_TEST_ERROR_ARG_NULL, if the queue is null.
* \retval MBEDTLS_TEST_ERROR_QUEUE_EMPTY, if the queue is empty.
* \retval MBEDTLS_ERR_SSL_WANT_READ, if the queue is empty.
* \retval message length, if the pop was successful, up to the given
\p buf_len.
*/
@ -248,7 +246,7 @@ int mbedtls_test_message_queue_pop_info( mbedtls_test_message_queue *queue,
if( queue == NULL )
return MBEDTLS_TEST_ERROR_ARG_NULL;
if( queue->num == 0 )
return MBEDTLS_TEST_ERROR_QUEUE_EMPTY;
return MBEDTLS_ERR_SSL_WANT_READ;
message_length = queue->messages[queue->pos];
queue->messages[queue->pos] = 0;
@ -266,7 +264,7 @@ int mbedtls_test_message_queue_pop_info( mbedtls_test_message_queue *queue,
* This will be the oldest inserted message length(fifo).
*
* \retval MBEDTLS_TEST_ERROR_ARG_NULL, if the queue is null.
* \retval MBEDTLS_TEST_ERROR_QUEUE_EMPTY, if the queue is empty.
* \retval MBEDTLS_ERR_SSL_WANT_READ, if the queue is empty.
* \retval 0, if the peek was successful.
* \retval MBEDTLS_TEST_ERROR_MESSAGE_TRUNCATED, if the given buffer length is
* too small to fit the message. In this case the \p msg_len will be
@ -279,7 +277,7 @@ int mbedtls_test_message_queue_peek_info( mbedtls_test_message_queue *queue,
if( queue == NULL || msg_len == NULL )
return MBEDTLS_TEST_ERROR_ARG_NULL;
if( queue->num == 0 )
return MBEDTLS_TEST_ERROR_QUEUE_EMPTY;
return MBEDTLS_ERR_SSL_WANT_READ;
*msg_len = queue->messages[queue->pos];
return ( *msg_len > buf_len ) ? MBEDTLS_TEST_ERROR_MESSAGE_TRUNCATED : 0;
@ -528,7 +526,7 @@ void mbedtls_message_socket_close( mbedtls_test_message_socket_context* ctx )
* \retval MBEDTLS_TEST_ERROR_CONTEXT_ERROR, if any of the needed context
* elements or the context itself is null.
* \retval MBEDTLS_TEST_ERROR_SEND_FAILED if mbedtls_mock_tcp_send_b failed.
* \retval MBEDTLS_TEST_ERROR_QUEUE_FULL, if the output queue is full.
* \retval MBEDTLS_ERR_SSL_WANT_WRITE, if the output queue is full.
*
* This function will also return any error from
* mbedtls_test_message_queue_push_info.
@ -549,7 +547,7 @@ int mbedtls_mock_tcp_send_msg( void *ctx, const unsigned char *buf, size_t len )
socket = context->socket;
if( queue->num >= queue->capacity )
return MBEDTLS_TEST_ERROR_QUEUE_FULL;
return MBEDTLS_ERR_SSL_WANT_WRITE;
if( mbedtls_mock_tcp_send_b( socket, buf, len ) != (int) len )
return MBEDTLS_TEST_ERROR_SEND_FAILED;
@ -1841,14 +1839,14 @@ void ssl_message_queue_overflow_underflow( )
TEST_ASSERT( mbedtls_test_message_queue_push_info( &queue, 1 ) == 1 );
TEST_ASSERT( mbedtls_test_message_queue_push_info( &queue, 2 ) == 2 );
TEST_ASSERT( mbedtls_test_message_queue_push_info( &queue, 3 )
== MBEDTLS_TEST_ERROR_QUEUE_FULL );
== MBEDTLS_ERR_SSL_WANT_WRITE );
TEST_ASSERT( mbedtls_test_message_queue_pop_info( &queue, 1 ) == 1 );
TEST_ASSERT( mbedtls_test_message_queue_pop_info( &queue, 1 ) == 1 );
TEST_ASSERT( mbedtls_test_message_queue_pop_info( &queue, 2 ) == 2 );
TEST_ASSERT( mbedtls_test_message_queue_pop_info( &queue, 1 )
== MBEDTLS_TEST_ERROR_QUEUE_EMPTY );
== MBEDTLS_ERR_SSL_WANT_READ );
exit:
mbedtls_test_message_queue_free( &queue );
@ -1936,7 +1934,7 @@ void ssl_message_mock_uninitialized( )
== MBEDTLS_TEST_ERROR_SEND_FAILED );
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( &server_context, received, MSGLEN )
== MBEDTLS_TEST_ERROR_QUEUE_EMPTY );
== MBEDTLS_ERR_SSL_WANT_READ );
/* Push directly to a queue to later simulate a disconnected behavior */
TEST_ASSERT( mbedtls_test_message_queue_push_info( &server_queue, MSGLEN )
@ -2041,7 +2039,7 @@ void ssl_message_mock_queue_overflow_underflow( )
TEST_ASSERT( mbedtls_mock_tcp_send_msg( &client_context, message,
MSGLEN )
== MBEDTLS_TEST_ERROR_QUEUE_FULL );
== MBEDTLS_ERR_SSL_WANT_WRITE );
/* Read three messages from the server, last one with an error */
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( &server_context, received,
@ -2053,7 +2051,7 @@ void ssl_message_mock_queue_overflow_underflow( )
TEST_ASSERT( memcmp( message, received, MSGLEN ) == 0 );
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( &server_context, received, MSGLEN )
== MBEDTLS_TEST_ERROR_QUEUE_EMPTY );
== MBEDTLS_ERR_SSL_WANT_READ );
exit:
mbedtls_message_socket_close( &server_context );
@ -2268,7 +2266,7 @@ void ssl_message_mock_interleaved_one_way( )
TEST_ASSERT( memcmp( message, received, MSGLEN ) == 0 );
}
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( &server_context, received, MSGLEN )
== MBEDTLS_TEST_ERROR_QUEUE_EMPTY );
== MBEDTLS_ERR_SSL_WANT_READ );
exit:
mbedtls_message_socket_close( &server_context );
mbedtls_message_socket_close( &client_context );
@ -2349,10 +2347,10 @@ void ssl_message_mock_interleaved_two_ways( )
}
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( &server_context, received, MSGLEN )
== MBEDTLS_TEST_ERROR_QUEUE_EMPTY );
== MBEDTLS_ERR_SSL_WANT_READ );
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( &client_context, received, MSGLEN )
== MBEDTLS_TEST_ERROR_QUEUE_EMPTY );
== MBEDTLS_ERR_SSL_WANT_READ );
exit:
mbedtls_message_socket_close( &server_context );
mbedtls_message_socket_close( &client_context );