Merge pull request #2987 from AndrzejKurek/iotssl-2958-datagram-transport-simulated
Message transport mocks in ssl tests
This commit is contained in:
Jaeden Amero
GitHub
commit
79ef1d4e55
2 changed files with 924 additions and 17 deletions
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@ -46,6 +46,45 @@ ssl_mock_tcp_interleaving:1
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Test mock non-blocking TCP connection (interleaving)
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ssl_mock_tcp_interleaving:0
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Message queue - sanity
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ssl_message_queue_sanity:
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Message queue - basic test
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ssl_message_queue_basic:
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Message queue - overflow/underflow
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ssl_message_queue_overflow_underflow:
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Message queue - interleaved
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ssl_message_queue_interleaved:
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Message queue - insufficient buffer
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ssl_message_queue_insufficient_buffer:
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Message transport mock - uninitialized structures
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ssl_message_mock_uninitialized:
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Message transport mock - basic test
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ssl_message_mock_basic:
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Message transport mock - queue overflow/underflow
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ssl_message_mock_queue_overflow_underflow:
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Message transport mock - socket overflow
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ssl_message_mock_socket_overflow:
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Message transport mock - truncated message
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ssl_message_mock_truncated:
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Message transport mock - socket read error
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ssl_message_mock_socket_read_error:
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Message transport mock - one-way interleaved sends/reads
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ssl_message_mock_interleaved_one_way:
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Message transport mock - two-way interleaved sends/reads
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ssl_message_mock_interleaved_two_ways:
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SSL DTLS replay: initial state, seqnum 0
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ssl_dtls_replay:"":"000000000000":0
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@ -108,16 +108,16 @@ int mbedtls_test_buffer_put( mbedtls_test_buffer *buf,
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}
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/*
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* Gets \p output_len bytes from the \p output buffer into the ring buffer
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* \p buf.
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* Gets \p output_len bytes from the ring buffer \p buf into the
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* \p output buffer. The output buffer can be NULL, in this case a part of the
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* ring buffer will be dropped, if the requested length is available.
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*
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* \p buf must have been initialized and set up by calling
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* `mbedtls_test_buffer_init()` and `mbedtls_test_buffer_setup()`.
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*
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* \retval \p output_len, if the data is available.
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* \retval 0 <= value < \p output_len, if the data is not available.
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* \retval -1, if \buf is NULL, it hasn't been set up or \p output_len is not
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* zero and \p output is NULL
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* \retval -1, if \buf is NULL or it hasn't been set up.
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*/
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int mbedtls_test_buffer_get( mbedtls_test_buffer *buf,
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unsigned char* output, size_t output_len )
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@ -127,10 +127,8 @@ int mbedtls_test_buffer_get( mbedtls_test_buffer *buf,
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if( ( buf == NULL ) || ( buf->buffer == NULL ) )
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return -1;
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if( output == NULL )
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{
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return ( output_len == 0 ) ? 0 : -1;
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}
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if( output == NULL && output_len == 0 )
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return 0;
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if( buf->content_length < output_len )
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output_len = buf->content_length;
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@ -142,14 +140,148 @@ int mbedtls_test_buffer_get( mbedtls_test_buffer *buf,
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overflow = ( buf->start + output_len ) % buf->capacity;
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}
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if( output != NULL )
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{
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memcpy( output, buf->buffer + buf->start, output_len - overflow );
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memcpy( output + output_len - overflow, buf->buffer, overflow );
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}
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buf->content_length -= output_len;
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buf->start = ( buf->start + output_len ) % buf->capacity;
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return output_len;
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}
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/*
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* Errors used in the message transport mock tests
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*/
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#define MBEDTLS_TEST_ERROR_ARG_NULL -11
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#define MBEDTLS_TEST_ERROR_QUEUE_FULL -22
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#define MBEDTLS_TEST_ERROR_QUEUE_EMPTY -33
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#define MBEDTLS_TEST_ERROR_MESSAGE_TRUNCATED -44
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/*
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* Context for a message metadata queue (fifo) that is on top of the ring buffer.
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*/
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typedef struct mbedtls_test_message_queue
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{
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size_t *messages;
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int pos;
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int num;
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int capacity;
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} mbedtls_test_message_queue;
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/*
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* Setup and free functions for the message metadata queue.
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*
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* \p capacity describes the number of message metadata chunks that can be held
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* within the queue.
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*
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* \retval 0, if a metadata queue of a given length can be allocated.
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* \retval MBEDTLS_ERR_SSL_ALLOC_FAILED, if allocation failed.
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*/
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int mbedtls_test_message_queue_setup( mbedtls_test_message_queue *queue,
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size_t capacity )
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{
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queue->messages = (size_t*) mbedtls_calloc( capacity, sizeof(size_t) );
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if( NULL == queue->messages )
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return MBEDTLS_ERR_SSL_ALLOC_FAILED;
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queue->capacity = capacity;
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queue->pos = 0;
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queue->num = 0;
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return 0;
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}
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void mbedtls_test_message_queue_free( mbedtls_test_message_queue *queue )
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{
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if( queue == NULL )
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return;
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if( queue->messages != NULL )
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mbedtls_free( queue->messages );
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memset( queue, 0, sizeof( *queue ) );
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}
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/*
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* Push message length information onto the message metadata queue.
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* This will become the last element to leave it (fifo).
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*
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* \retval MBEDTLS_TEST_ERROR_ARG_NULL, if the queue is null.
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* \retval MBEDTLS_TEST_ERROR_QUEUE_FULL, if the queue is full.
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* \retval \p len, if the push was successful.
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*/
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int mbedtls_test_message_queue_push_info( mbedtls_test_message_queue *queue,
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size_t len )
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{
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int place;
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if( queue == NULL )
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return MBEDTLS_TEST_ERROR_ARG_NULL;
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if( queue->num >= queue->capacity )
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return MBEDTLS_TEST_ERROR_QUEUE_FULL;
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place = ( queue->pos + queue->num ) % queue->capacity;
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queue->messages[place] = len;
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queue->num++;
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return len;
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}
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/*
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* Pop information about the next message length from the queue. This will be
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* the oldest inserted message length(fifo). \p msg_len can be null, in which
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* case the data will be popped from the queue but not copied anywhere.
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*
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* \retval MBEDTLS_TEST_ERROR_ARG_NULL, if the queue is null.
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* \retval MBEDTLS_TEST_ERROR_QUEUE_EMPTY, if the queue is empty.
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* \retval message length, if the pop was successful, up to the given
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\p buf_len.
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*/
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int mbedtls_test_message_queue_pop_info( mbedtls_test_message_queue *queue,
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size_t buf_len )
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{
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size_t message_length;
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if( queue == NULL )
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return MBEDTLS_TEST_ERROR_ARG_NULL;
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if( queue->num == 0 )
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return MBEDTLS_TEST_ERROR_QUEUE_EMPTY;
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message_length = queue->messages[queue->pos];
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queue->messages[queue->pos] = 0;
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queue->num--;
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queue->pos++;
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queue->pos %= queue->capacity;
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if( queue->pos < 0 )
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queue->pos += queue->capacity;
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return ( message_length > buf_len ) ? buf_len : message_length;
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}
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/*
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* Take a peek on the info about the next message length from the queue.
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* This will be the oldest inserted message length(fifo).
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*
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* \retval MBEDTLS_TEST_ERROR_ARG_NULL, if the queue is null.
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* \retval MBEDTLS_TEST_ERROR_QUEUE_EMPTY, if the queue is empty.
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* \retval 0, if the peek was successful.
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* \retval MBEDTLS_TEST_ERROR_MESSAGE_TRUNCATED, if the given buffer length is
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* too small to fit the message. In this case the \p msg_len will be
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* set to the full message length so that the
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* caller knows what portion of the message can be dropped.
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*/
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int mbedtls_test_message_queue_peek_info( mbedtls_test_message_queue *queue,
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size_t buf_len, size_t* msg_len )
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{
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if( queue == NULL || msg_len == NULL )
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return MBEDTLS_TEST_ERROR_ARG_NULL;
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if( queue->num == 0 )
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return MBEDTLS_TEST_ERROR_QUEUE_EMPTY;
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*msg_len = queue->messages[queue->pos];
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return ( *msg_len > buf_len ) ? MBEDTLS_TEST_ERROR_MESSAGE_TRUNCATED : 0;
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}
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/*
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* Context for the I/O callbacks simulating network connection.
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*/
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@ -327,6 +459,165 @@ int mbedtls_mock_tcp_recv_nb( void *ctx, unsigned char *buf, size_t len )
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return mbedtls_test_buffer_get( socket->input, buf, len );
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}
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/* Errors used in the message socket mocks */
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#define MBEDTLS_TEST_ERROR_CONTEXT_ERROR -55
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#define MBEDTLS_TEST_ERROR_SEND_FAILED -66
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#define MBEDTLS_TEST_ERROR_RECV_FAILED -77
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/*
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* Structure used as an addon, or a wrapper, around the mocked sockets.
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* Contains an input queue, to which the other socket pushes metadata,
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* and an output queue, to which this one pushes metadata. This context is
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* considered as an owner of the input queue only, which is initialized and
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* freed in the respective setup and free calls.
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*/
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typedef struct mbedtls_test_message_socket_context
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{
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mbedtls_test_message_queue* queue_input;
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mbedtls_test_message_queue* queue_output;
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mbedtls_mock_socket* socket;
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} mbedtls_test_message_socket_context;
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/*
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* Setup a given mesasge socket context including initialization of
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* input/output queues to a chosen capacity of messages. Also set the
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* corresponding mock socket.
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*
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* \retval 0, if everything succeeds.
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* \retval MBEDTLS_ERR_SSL_ALLOC_FAILED, if allocation of a message
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* queue failed.
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*/
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int mbedtls_message_socket_setup( mbedtls_test_message_queue* queue_input,
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mbedtls_test_message_queue* queue_output,
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size_t queue_capacity,
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mbedtls_mock_socket* socket,
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mbedtls_test_message_socket_context* ctx )
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{
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int ret = mbedtls_test_message_queue_setup( queue_input, queue_capacity );
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if( ret != 0 )
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return ret;
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ctx->queue_input = queue_input;
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ctx->queue_output = queue_output;
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ctx->socket = socket;
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mbedtls_mock_socket_init( socket );
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return 0;
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}
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/*
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* Close a given message socket context, along with the socket itself. Free the
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* memory allocated by the input queue.
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*/
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void mbedtls_message_socket_close( mbedtls_test_message_socket_context* ctx )
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{
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if( ctx == NULL )
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return;
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mbedtls_test_message_queue_free( ctx->queue_input );
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mbedtls_mock_socket_close( ctx->socket );
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memset( ctx, 0, sizeof( *ctx ) );
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}
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/*
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* Send one message through a given message socket context.
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*
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* \retval \p len, if everything succeeds.
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* \retval MBEDTLS_TEST_ERROR_CONTEXT_ERROR, if any of the needed context
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* elements or the context itself is null.
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* \retval MBEDTLS_TEST_ERROR_SEND_FAILED if mbedtls_mock_tcp_send_b failed.
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* \retval MBEDTLS_TEST_ERROR_QUEUE_FULL, if the output queue is full.
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*
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* This function will also return any error from
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* mbedtls_test_message_queue_push_info.
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*/
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int mbedtls_mock_tcp_send_msg( void *ctx, const unsigned char *buf, size_t len )
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{
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mbedtls_test_message_queue* queue;
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mbedtls_mock_socket* socket;
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mbedtls_test_message_socket_context *context = (mbedtls_test_message_socket_context*) ctx;
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if( context == NULL || context->socket == NULL
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|| context->queue_output == NULL )
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{
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return MBEDTLS_TEST_ERROR_CONTEXT_ERROR;
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}
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queue = context->queue_output;
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socket = context->socket;
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if( queue->num >= queue->capacity )
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return MBEDTLS_TEST_ERROR_QUEUE_FULL;
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if( mbedtls_mock_tcp_send_b( socket, buf, len ) != (int) len )
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return MBEDTLS_TEST_ERROR_SEND_FAILED;
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return mbedtls_test_message_queue_push_info( queue, len );
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}
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/*
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* Receive one message from a given message socket context and return message
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* length or an error.
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*
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* \retval message length, if everything succeeds.
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* \retval MBEDTLS_TEST_ERROR_CONTEXT_ERROR, if any of the needed context
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* elements or the context itself is null.
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* \retval MBEDTLS_TEST_ERROR_RECV_FAILED if mbedtls_mock_tcp_recv_b failed.
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*
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* This function will also return any error other than
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* MBEDTLS_TEST_ERROR_MESSAGE_TRUNCATED from mbedtls_test_message_queue_peek_info.
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*/
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int mbedtls_mock_tcp_recv_msg( void *ctx, unsigned char *buf, size_t buf_len )
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{
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mbedtls_test_message_queue* queue;
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mbedtls_mock_socket* socket;
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mbedtls_test_message_socket_context *context = (mbedtls_test_message_socket_context*) ctx;
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size_t drop_len;
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size_t msg_len;
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int ret;
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if( context == NULL || context->socket == NULL
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|| context->queue_input == NULL )
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{
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return MBEDTLS_TEST_ERROR_CONTEXT_ERROR;
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}
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queue = context->queue_input;
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socket = context->socket;
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/* Peek first, so that in case of a socket error the data remains in
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* the queue. */
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ret = mbedtls_test_message_queue_peek_info( queue, buf_len, &msg_len );
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if( ret == MBEDTLS_TEST_ERROR_MESSAGE_TRUNCATED )
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{
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/* Calculate how much to drop */
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drop_len = msg_len - buf_len;
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/* Set the requested message len to be buffer length */
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msg_len = buf_len;
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} else if( ret != 0 )
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{
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return ret;
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}
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if( mbedtls_mock_tcp_recv_b( socket, buf, msg_len ) != (int) msg_len )
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return MBEDTLS_TEST_ERROR_RECV_FAILED;
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if( ret == MBEDTLS_TEST_ERROR_MESSAGE_TRUNCATED )
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{
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/* Drop the remaining part of the message */
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if( mbedtls_mock_tcp_recv_b( socket, NULL, drop_len ) != (int) drop_len )
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{
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/* Inconsistent state - part of the message was read,
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* and a part couldn't. Not much we can do here, but it should not
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* happen in test environment, unless forced manually. */
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}
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}
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mbedtls_test_message_queue_pop_info( queue, buf_len );
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return msg_len;
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}
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/*
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* Helper function setting up inverse record transformations
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* using given cipher, hash, EtM mode, authentication tag length,
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@ -702,8 +993,7 @@ void test_callback_buffer_sanity()
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TEST_ASSERT( mbedtls_test_buffer_get( NULL, output, sizeof( output ) )
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== -1 );
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TEST_ASSERT( mbedtls_test_buffer_put( NULL, NULL, sizeof( input ) ) == -1 );
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TEST_ASSERT( mbedtls_test_buffer_get( NULL, NULL, sizeof( output ) )
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== -1 );
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TEST_ASSERT( mbedtls_test_buffer_put( NULL, NULL, 0 ) == -1 );
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TEST_ASSERT( mbedtls_test_buffer_get( NULL, NULL, 0 ) == -1 );
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@ -715,19 +1005,20 @@ void test_callback_buffer_sanity()
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TEST_ASSERT( mbedtls_test_buffer_get( &buf, output, sizeof( output ) )
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== -1 );
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TEST_ASSERT( mbedtls_test_buffer_put( &buf, NULL, sizeof( input ) ) == -1 );
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TEST_ASSERT( mbedtls_test_buffer_get( &buf, NULL, sizeof( output ) )
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== -1 );
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TEST_ASSERT( mbedtls_test_buffer_put( &buf, NULL, 0 ) == -1 );
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TEST_ASSERT( mbedtls_test_buffer_get( &buf, NULL, 0 ) == -1 );
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/* Make sure calling put end get on NULL input and output only results in
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* error if the length is not zero. */
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/* Make sure calling put and get on NULL input only results in
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* error if the length is not zero, and that a NULL output is valid for data
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* dropping.
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*/
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TEST_ASSERT( mbedtls_test_buffer_setup( &buf, sizeof( input ) ) == 0 );
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TEST_ASSERT( mbedtls_test_buffer_put( &buf, NULL, sizeof( input ) ) == -1 );
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TEST_ASSERT( mbedtls_test_buffer_get( &buf, NULL, sizeof( output ) )
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== -1 );
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== 0 );
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TEST_ASSERT( mbedtls_test_buffer_put( &buf, NULL, 0 ) == 0 );
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TEST_ASSERT( mbedtls_test_buffer_get( &buf, NULL, 0 ) == 0 );
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@ -1157,6 +1448,583 @@ exit:
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}
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/* END_CASE */
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/* BEGIN_CASE */
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void ssl_message_queue_sanity( )
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{
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mbedtls_test_message_queue queue;
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/* Trying to push/pull to an empty queue */
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TEST_ASSERT( mbedtls_test_message_queue_push_info( NULL, 1 )
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== MBEDTLS_TEST_ERROR_ARG_NULL );
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TEST_ASSERT( mbedtls_test_message_queue_pop_info( NULL, 1 )
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== MBEDTLS_TEST_ERROR_ARG_NULL );
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mbedtls_test_message_queue_setup( &queue, 3 );
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TEST_ASSERT( queue.capacity == 3 );
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||||
TEST_ASSERT( queue.num == 0 );
|
||||
|
||||
exit:
|
||||
mbedtls_test_message_queue_free( &queue );
|
||||
}
|
||||
/* END_CASE */
|
||||
|
||||
/* BEGIN_CASE */
|
||||
void ssl_message_queue_basic( )
|
||||
{
|
||||
mbedtls_test_message_queue queue;
|
||||
|
||||
mbedtls_test_message_queue_setup( &queue, 3 );
|
||||
|
||||
/* Sanity test - 3 pushes and 3 pops with sufficient space */
|
||||
TEST_ASSERT( mbedtls_test_message_queue_push_info( &queue, 1 ) == 1 );
|
||||
TEST_ASSERT( queue.capacity == 3 );
|
||||
TEST_ASSERT( queue.num == 1 );
|
||||
TEST_ASSERT( mbedtls_test_message_queue_push_info( &queue, 1 ) == 1 );
|
||||
TEST_ASSERT( queue.capacity == 3 );
|
||||
TEST_ASSERT( queue.num == 2 );
|
||||
TEST_ASSERT( mbedtls_test_message_queue_push_info( &queue, 2 ) == 2 );
|
||||
TEST_ASSERT( queue.capacity == 3 );
|
||||
TEST_ASSERT( queue.num == 3 );
|
||||
|
||||
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 );
|
||||
|
||||
exit:
|
||||
mbedtls_test_message_queue_free( &queue );
|
||||
}
|
||||
/* END_CASE */
|
||||
|
||||
/* BEGIN_CASE */
|
||||
void ssl_message_queue_overflow_underflow( )
|
||||
{
|
||||
mbedtls_test_message_queue queue;
|
||||
|
||||
mbedtls_test_message_queue_setup( &queue, 3 );
|
||||
|
||||
/* 4 pushes (last one with an error), 4 pops (last one with an error) */
|
||||
TEST_ASSERT( mbedtls_test_message_queue_push_info( &queue, 1 ) == 1 );
|
||||
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 );
|
||||
|
||||
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 );
|
||||
|
||||
exit:
|
||||
mbedtls_test_message_queue_free( &queue );
|
||||
}
|
||||
/* END_CASE */
|
||||
|
||||
/* BEGIN_CASE */
|
||||
void ssl_message_queue_interleaved( )
|
||||
{
|
||||
mbedtls_test_message_queue queue;
|
||||
|
||||
mbedtls_test_message_queue_setup( &queue, 3 );
|
||||
|
||||
/* Interleaved test - [2 pushes, 1 pop] twice, and then two pops
|
||||
* (to wrap around the buffer) */
|
||||
TEST_ASSERT( mbedtls_test_message_queue_push_info( &queue, 1 ) == 1 );
|
||||
TEST_ASSERT( mbedtls_test_message_queue_push_info( &queue, 1 ) == 1 );
|
||||
|
||||
TEST_ASSERT( mbedtls_test_message_queue_pop_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 ) == 3 );
|
||||
|
||||
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_push_info( &queue, 5 ) == 5 );
|
||||
TEST_ASSERT( mbedtls_test_message_queue_push_info( &queue, 8 ) == 8 );
|
||||
|
||||
TEST_ASSERT( mbedtls_test_message_queue_pop_info( &queue, 3 ) == 3 );
|
||||
|
||||
TEST_ASSERT( mbedtls_test_message_queue_pop_info( &queue, 5 ) == 5 );
|
||||
|
||||
TEST_ASSERT( mbedtls_test_message_queue_pop_info( &queue, 8 ) == 8 );
|
||||
|
||||
exit:
|
||||
mbedtls_test_message_queue_free( &queue );
|
||||
}
|
||||
/* END_CASE */
|
||||
|
||||
/* BEGIN_CASE */
|
||||
void ssl_message_queue_insufficient_buffer( )
|
||||
{
|
||||
mbedtls_test_message_queue queue;
|
||||
size_t message_len = 10;
|
||||
size_t buffer_len = 5;
|
||||
|
||||
mbedtls_test_message_queue_setup( &queue, 1 );
|
||||
|
||||
/* Popping without a sufficient buffer */
|
||||
TEST_ASSERT( mbedtls_test_message_queue_push_info( &queue, message_len )
|
||||
== (int) message_len );
|
||||
TEST_ASSERT( mbedtls_test_message_queue_pop_info( &queue, buffer_len )
|
||||
== (int) buffer_len );
|
||||
exit:
|
||||
mbedtls_test_message_queue_free( &queue );
|
||||
}
|
||||
/* END_CASE */
|
||||
|
||||
/* BEGIN_CASE */
|
||||
void ssl_message_mock_uninitialized( )
|
||||
{
|
||||
enum { MSGLEN = 10 };
|
||||
unsigned char message[MSGLEN], received[MSGLEN];
|
||||
mbedtls_mock_socket client, server;
|
||||
mbedtls_test_message_queue server_queue, client_queue;
|
||||
mbedtls_test_message_socket_context server_context, client_context;
|
||||
|
||||
/* Send with a NULL context */
|
||||
TEST_ASSERT( mbedtls_mock_tcp_send_msg( NULL, message, MSGLEN )
|
||||
== MBEDTLS_TEST_ERROR_CONTEXT_ERROR );
|
||||
|
||||
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( NULL, message, MSGLEN )
|
||||
== MBEDTLS_TEST_ERROR_CONTEXT_ERROR );
|
||||
|
||||
TEST_ASSERT( mbedtls_message_socket_setup( &server_queue, &client_queue, 1,
|
||||
&server,
|
||||
&server_context ) == 0 );
|
||||
|
||||
TEST_ASSERT( mbedtls_message_socket_setup( &client_queue, &server_queue, 1,
|
||||
&client,
|
||||
&client_context ) == 0 );
|
||||
|
||||
TEST_ASSERT( mbedtls_mock_tcp_send_msg( &client_context, message, MSGLEN )
|
||||
== MBEDTLS_TEST_ERROR_SEND_FAILED );
|
||||
|
||||
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( &server_context, received, MSGLEN )
|
||||
== MBEDTLS_TEST_ERROR_QUEUE_EMPTY );
|
||||
|
||||
/* Push directly to a queue to later simulate a disconnected behavior */
|
||||
TEST_ASSERT( mbedtls_test_message_queue_push_info( &server_queue, MSGLEN )
|
||||
== MSGLEN );
|
||||
|
||||
/* Test if there's an error when trying to read from a disconnected
|
||||
* socket */
|
||||
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( &server_context, received, MSGLEN )
|
||||
== MBEDTLS_TEST_ERROR_RECV_FAILED );
|
||||
exit:
|
||||
mbedtls_message_socket_close( &server_context );
|
||||
mbedtls_message_socket_close( &client_context );
|
||||
}
|
||||
/* END_CASE */
|
||||
|
||||
/* BEGIN_CASE */
|
||||
void ssl_message_mock_basic( )
|
||||
{
|
||||
enum { MSGLEN = 10 };
|
||||
unsigned char message[MSGLEN], received[MSGLEN];
|
||||
mbedtls_mock_socket client, server;
|
||||
unsigned i;
|
||||
mbedtls_test_message_queue server_queue, client_queue;
|
||||
mbedtls_test_message_socket_context server_context, client_context;
|
||||
|
||||
TEST_ASSERT( mbedtls_message_socket_setup( &server_queue, &client_queue, 1,
|
||||
&server,
|
||||
&server_context ) == 0 );
|
||||
|
||||
TEST_ASSERT( mbedtls_message_socket_setup( &client_queue, &server_queue, 1,
|
||||
&client,
|
||||
&client_context ) == 0 );
|
||||
|
||||
/* Fill up the buffer with structured data so that unwanted changes
|
||||
* can be detected */
|
||||
for( i = 0; i < MSGLEN; i++ )
|
||||
{
|
||||
message[i] = i & 0xFF;
|
||||
}
|
||||
TEST_ASSERT( 0 == mbedtls_mock_socket_connect( &client, &server,
|
||||
MSGLEN ) );
|
||||
|
||||
/* Send the message to the server */
|
||||
TEST_ASSERT( mbedtls_mock_tcp_send_msg( &client_context, message,
|
||||
MSGLEN ) == MSGLEN );
|
||||
|
||||
/* Read from the server */
|
||||
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( &server_context, received, MSGLEN )
|
||||
== MSGLEN );
|
||||
|
||||
TEST_ASSERT( memcmp( message, received, MSGLEN ) == 0 );
|
||||
memset( received, 0, MSGLEN );
|
||||
|
||||
/* Send the message to the client */
|
||||
TEST_ASSERT( mbedtls_mock_tcp_send_msg( &server_context, message,
|
||||
MSGLEN ) == MSGLEN );
|
||||
|
||||
/* Read from the client */
|
||||
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( &client_context, received, MSGLEN )
|
||||
== MSGLEN );
|
||||
TEST_ASSERT( memcmp( message, received, MSGLEN ) == 0 );
|
||||
|
||||
exit:
|
||||
mbedtls_message_socket_close( &server_context );
|
||||
mbedtls_message_socket_close( &client_context );
|
||||
}
|
||||
/* END_CASE */
|
||||
|
||||
/* BEGIN_CASE */
|
||||
void ssl_message_mock_queue_overflow_underflow( )
|
||||
{
|
||||
enum { MSGLEN = 10 };
|
||||
unsigned char message[MSGLEN], received[MSGLEN];
|
||||
mbedtls_mock_socket client, server;
|
||||
unsigned i;
|
||||
mbedtls_test_message_queue server_queue, client_queue;
|
||||
mbedtls_test_message_socket_context server_context, client_context;
|
||||
|
||||
TEST_ASSERT( mbedtls_message_socket_setup( &server_queue, &client_queue, 2,
|
||||
&server,
|
||||
&server_context ) == 0 );
|
||||
|
||||
TEST_ASSERT( mbedtls_message_socket_setup( &client_queue, &server_queue, 2,
|
||||
&client,
|
||||
&client_context ) == 0 );
|
||||
|
||||
/* Fill up the buffer with structured data so that unwanted changes
|
||||
* can be detected */
|
||||
for( i = 0; i < MSGLEN; i++ )
|
||||
{
|
||||
message[i] = i & 0xFF;
|
||||
}
|
||||
TEST_ASSERT( 0 == mbedtls_mock_socket_connect( &client, &server,
|
||||
MSGLEN*2 ) );
|
||||
|
||||
/* Send three message to the server, last one with an error */
|
||||
TEST_ASSERT( mbedtls_mock_tcp_send_msg( &client_context, message,
|
||||
MSGLEN - 1 ) == MSGLEN - 1 );
|
||||
|
||||
TEST_ASSERT( mbedtls_mock_tcp_send_msg( &client_context, message,
|
||||
MSGLEN ) == MSGLEN );
|
||||
|
||||
TEST_ASSERT( mbedtls_mock_tcp_send_msg( &client_context, message,
|
||||
MSGLEN )
|
||||
== MBEDTLS_TEST_ERROR_QUEUE_FULL );
|
||||
|
||||
/* Read three messages from the server, last one with an error */
|
||||
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( &server_context, received,
|
||||
MSGLEN - 1 ) == MSGLEN - 1 );
|
||||
|
||||
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( &server_context, received, MSGLEN )
|
||||
== MSGLEN );
|
||||
|
||||
TEST_ASSERT( memcmp( message, received, MSGLEN ) == 0 );
|
||||
|
||||
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( &server_context, received, MSGLEN )
|
||||
== MBEDTLS_TEST_ERROR_QUEUE_EMPTY );
|
||||
|
||||
exit:
|
||||
mbedtls_message_socket_close( &server_context );
|
||||
mbedtls_message_socket_close( &client_context );
|
||||
}
|
||||
/* END_CASE */
|
||||
|
||||
/* BEGIN_CASE */
|
||||
void ssl_message_mock_socket_overflow( )
|
||||
{
|
||||
enum { MSGLEN = 10 };
|
||||
unsigned char message[MSGLEN], received[MSGLEN];
|
||||
mbedtls_mock_socket client, server;
|
||||
unsigned i;
|
||||
mbedtls_test_message_queue server_queue, client_queue;
|
||||
mbedtls_test_message_socket_context server_context, client_context;
|
||||
|
||||
TEST_ASSERT( mbedtls_message_socket_setup( &server_queue, &client_queue, 2,
|
||||
&server,
|
||||
&server_context ) == 0 );
|
||||
|
||||
TEST_ASSERT( mbedtls_message_socket_setup( &client_queue, &server_queue, 2,
|
||||
&client,
|
||||
&client_context ) == 0 );
|
||||
|
||||
/* Fill up the buffer with structured data so that unwanted changes
|
||||
* can be detected */
|
||||
for( i = 0; i < MSGLEN; i++ )
|
||||
{
|
||||
message[i] = i & 0xFF;
|
||||
}
|
||||
TEST_ASSERT( 0 == mbedtls_mock_socket_connect( &client, &server,
|
||||
MSGLEN ) );
|
||||
|
||||
/* Send two message to the server, second one with an error */
|
||||
TEST_ASSERT( mbedtls_mock_tcp_send_msg( &client_context, message,
|
||||
MSGLEN ) == MSGLEN );
|
||||
|
||||
TEST_ASSERT( mbedtls_mock_tcp_send_msg( &client_context, message,
|
||||
MSGLEN )
|
||||
== MBEDTLS_TEST_ERROR_SEND_FAILED );
|
||||
|
||||
/* Read the only message from the server */
|
||||
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( &server_context, received, MSGLEN )
|
||||
== MSGLEN );
|
||||
|
||||
TEST_ASSERT( memcmp( message, received, MSGLEN ) == 0 );
|
||||
|
||||
exit:
|
||||
mbedtls_message_socket_close( &server_context );
|
||||
mbedtls_message_socket_close( &client_context );
|
||||
}
|
||||
/* END_CASE */
|
||||
|
||||
/* BEGIN_CASE */
|
||||
void ssl_message_mock_truncated( )
|
||||
{
|
||||
enum { MSGLEN = 10 };
|
||||
unsigned char message[MSGLEN], received[MSGLEN];
|
||||
mbedtls_mock_socket client, server;
|
||||
unsigned i;
|
||||
mbedtls_test_message_queue server_queue, client_queue;
|
||||
mbedtls_test_message_socket_context server_context, client_context;
|
||||
|
||||
TEST_ASSERT( mbedtls_message_socket_setup( &server_queue, &client_queue, 2,
|
||||
&server,
|
||||
&server_context ) == 0 );
|
||||
|
||||
TEST_ASSERT( mbedtls_message_socket_setup( &client_queue, &server_queue, 2,
|
||||
&client,
|
||||
&client_context ) == 0 );
|
||||
|
||||
memset( received, 0, MSGLEN );
|
||||
/* Fill up the buffer with structured data so that unwanted changes
|
||||
* can be detected */
|
||||
for( i = 0; i < MSGLEN; i++ )
|
||||
{
|
||||
message[i] = i & 0xFF;
|
||||
}
|
||||
TEST_ASSERT( 0 == mbedtls_mock_socket_connect( &client, &server,
|
||||
2 * MSGLEN ) );
|
||||
|
||||
/* Send two messages to the server, the second one small enough to fit in the
|
||||
* receiver's buffer. */
|
||||
TEST_ASSERT( mbedtls_mock_tcp_send_msg( &client_context, message,
|
||||
MSGLEN ) == MSGLEN );
|
||||
TEST_ASSERT( mbedtls_mock_tcp_send_msg( &client_context, message,
|
||||
MSGLEN / 2 ) == MSGLEN / 2 );
|
||||
/* Read a truncated message from the server */
|
||||
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( &server_context, received, MSGLEN/2 )
|
||||
== MSGLEN/2 );
|
||||
|
||||
/* Test that the first half of the message is valid, and second one isn't */
|
||||
TEST_ASSERT( memcmp( message, received, MSGLEN/2 ) == 0 );
|
||||
TEST_ASSERT( memcmp( message + MSGLEN/2, received + MSGLEN/2, MSGLEN/2 )
|
||||
!= 0 );
|
||||
memset( received, 0, MSGLEN );
|
||||
|
||||
/* Read a full message from the server */
|
||||
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( &server_context, received, MSGLEN/2 )
|
||||
== MSGLEN / 2 );
|
||||
|
||||
/* Test that the first half of the message is valid */
|
||||
TEST_ASSERT( memcmp( message, received, MSGLEN/2 ) == 0 );
|
||||
|
||||
exit:
|
||||
mbedtls_message_socket_close( &server_context );
|
||||
mbedtls_message_socket_close( &client_context );
|
||||
}
|
||||
/* END_CASE */
|
||||
|
||||
/* BEGIN_CASE */
|
||||
void ssl_message_mock_socket_read_error( )
|
||||
{
|
||||
enum { MSGLEN = 10 };
|
||||
unsigned char message[MSGLEN], received[MSGLEN];
|
||||
mbedtls_mock_socket client, server;
|
||||
unsigned i;
|
||||
mbedtls_test_message_queue server_queue, client_queue;
|
||||
mbedtls_test_message_socket_context server_context, client_context;
|
||||
|
||||
TEST_ASSERT( mbedtls_message_socket_setup( &server_queue, &client_queue, 1,
|
||||
&server,
|
||||
&server_context ) == 0 );
|
||||
|
||||
TEST_ASSERT( mbedtls_message_socket_setup( &client_queue, &server_queue, 1,
|
||||
&client,
|
||||
&client_context ) == 0 );
|
||||
|
||||
/* Fill up the buffer with structured data so that unwanted changes
|
||||
* can be detected */
|
||||
for( i = 0; i < MSGLEN; i++ )
|
||||
{
|
||||
message[i] = i & 0xFF;
|
||||
}
|
||||
TEST_ASSERT( 0 == mbedtls_mock_socket_connect( &client, &server,
|
||||
MSGLEN ) );
|
||||
|
||||
TEST_ASSERT( mbedtls_mock_tcp_send_msg( &client_context, message,
|
||||
MSGLEN ) == MSGLEN );
|
||||
|
||||
/* Force a read error by disconnecting the socket by hand */
|
||||
server.status = 0;
|
||||
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( &server_context, received, MSGLEN )
|
||||
== MBEDTLS_TEST_ERROR_RECV_FAILED );
|
||||
/* Return to a valid state */
|
||||
server.status = MBEDTLS_MOCK_SOCKET_CONNECTED;
|
||||
|
||||
memset( received, 0, sizeof( received ) );
|
||||
|
||||
/* Test that even though the server tried to read once disconnected, the
|
||||
* continuity is preserved */
|
||||
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( &server_context, received, MSGLEN )
|
||||
== MSGLEN );
|
||||
|
||||
TEST_ASSERT( memcmp( message, received, MSGLEN ) == 0 );
|
||||
|
||||
exit:
|
||||
mbedtls_message_socket_close( &server_context );
|
||||
mbedtls_message_socket_close( &client_context );
|
||||
}
|
||||
/* END_CASE */
|
||||
|
||||
/* BEGIN_CASE */
|
||||
void ssl_message_mock_interleaved_one_way( )
|
||||
{
|
||||
enum { MSGLEN = 10 };
|
||||
unsigned char message[MSGLEN], received[MSGLEN];
|
||||
mbedtls_mock_socket client, server;
|
||||
unsigned i;
|
||||
mbedtls_test_message_queue server_queue, client_queue;
|
||||
mbedtls_test_message_socket_context server_context, client_context;
|
||||
|
||||
TEST_ASSERT( mbedtls_message_socket_setup( &server_queue, &client_queue, 3,
|
||||
&server,
|
||||
&server_context ) == 0 );
|
||||
|
||||
TEST_ASSERT( mbedtls_message_socket_setup( &client_queue, &server_queue, 3,
|
||||
&client,
|
||||
&client_context ) == 0 );
|
||||
|
||||
/* Fill up the buffer with structured data so that unwanted changes
|
||||
* can be detected */
|
||||
for( i = 0; i < MSGLEN; i++ )
|
||||
{
|
||||
message[i] = i & 0xFF;
|
||||
}
|
||||
TEST_ASSERT( 0 == mbedtls_mock_socket_connect( &client, &server,
|
||||
MSGLEN*3 ) );
|
||||
|
||||
/* Interleaved test - [2 sends, 1 read] twice, and then two reads
|
||||
* (to wrap around the buffer) */
|
||||
for( i = 0; i < 2; i++ )
|
||||
{
|
||||
TEST_ASSERT( mbedtls_mock_tcp_send_msg( &client_context, message,
|
||||
MSGLEN ) == MSGLEN );
|
||||
|
||||
TEST_ASSERT( mbedtls_mock_tcp_send_msg( &client_context, message,
|
||||
MSGLEN ) == MSGLEN );
|
||||
|
||||
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( &server_context, received,
|
||||
MSGLEN ) == MSGLEN );
|
||||
TEST_ASSERT( memcmp( message, received, MSGLEN ) == 0 );
|
||||
memset( received, 0, sizeof( received ) );
|
||||
}
|
||||
|
||||
for( i = 0; i < 2; i++ )
|
||||
{
|
||||
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( &server_context, received,
|
||||
MSGLEN ) == MSGLEN );
|
||||
|
||||
TEST_ASSERT( memcmp( message, received, MSGLEN ) == 0 );
|
||||
}
|
||||
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( &server_context, received, MSGLEN )
|
||||
== MBEDTLS_TEST_ERROR_QUEUE_EMPTY );
|
||||
exit:
|
||||
mbedtls_message_socket_close( &server_context );
|
||||
mbedtls_message_socket_close( &client_context );
|
||||
}
|
||||
/* END_CASE */
|
||||
|
||||
/* BEGIN_CASE */
|
||||
void ssl_message_mock_interleaved_two_ways( )
|
||||
{
|
||||
enum { MSGLEN = 10 };
|
||||
unsigned char message[MSGLEN], received[MSGLEN];
|
||||
mbedtls_mock_socket client, server;
|
||||
unsigned i;
|
||||
mbedtls_test_message_queue server_queue, client_queue;
|
||||
mbedtls_test_message_socket_context server_context, client_context;
|
||||
|
||||
TEST_ASSERT( mbedtls_message_socket_setup( &server_queue, &client_queue, 3,
|
||||
&server,
|
||||
&server_context ) == 0 );
|
||||
|
||||
TEST_ASSERT( mbedtls_message_socket_setup( &client_queue, &server_queue, 3,
|
||||
&client,
|
||||
&client_context ) == 0 );
|
||||
|
||||
/* Fill up the buffer with structured data so that unwanted changes
|
||||
* can be detected */
|
||||
for( i = 0; i < MSGLEN; i++ )
|
||||
{
|
||||
message[i] = i & 0xFF;
|
||||
}
|
||||
TEST_ASSERT( 0 == mbedtls_mock_socket_connect( &client, &server,
|
||||
MSGLEN*3 ) );
|
||||
|
||||
/* Interleaved test - [2 sends, 1 read] twice, both ways, and then two reads
|
||||
* (to wrap around the buffer) both ways. */
|
||||
for( i = 0; i < 2; i++ )
|
||||
{
|
||||
TEST_ASSERT( mbedtls_mock_tcp_send_msg( &client_context, message,
|
||||
MSGLEN ) == MSGLEN );
|
||||
|
||||
TEST_ASSERT( mbedtls_mock_tcp_send_msg( &client_context, message,
|
||||
MSGLEN ) == MSGLEN );
|
||||
|
||||
TEST_ASSERT( mbedtls_mock_tcp_send_msg( &server_context, message,
|
||||
MSGLEN ) == MSGLEN );
|
||||
|
||||
TEST_ASSERT( mbedtls_mock_tcp_send_msg( &server_context, message,
|
||||
MSGLEN ) == MSGLEN );
|
||||
|
||||
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( &server_context, received,
|
||||
MSGLEN ) == MSGLEN );
|
||||
|
||||
TEST_ASSERT( memcmp( message, received, MSGLEN ) == 0 );
|
||||
|
||||
memset( received, 0, sizeof( received ) );
|
||||
|
||||
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( &client_context, received,
|
||||
MSGLEN ) == MSGLEN );
|
||||
|
||||
TEST_ASSERT( memcmp( message, received, MSGLEN ) == 0 );
|
||||
|
||||
memset( received, 0, sizeof( received ) );
|
||||
}
|
||||
|
||||
for( i = 0; i < 2; i++ )
|
||||
{
|
||||
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( &server_context, received,
|
||||
MSGLEN ) == MSGLEN );
|
||||
|
||||
TEST_ASSERT( memcmp( message, received, MSGLEN ) == 0 );
|
||||
memset( received, 0, sizeof( received ) );
|
||||
|
||||
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( &client_context, received,
|
||||
MSGLEN ) == MSGLEN );
|
||||
|
||||
TEST_ASSERT( memcmp( message, received, MSGLEN ) == 0 );
|
||||
memset( received, 0, sizeof( received ) );
|
||||
}
|
||||
|
||||
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( &server_context, received, MSGLEN )
|
||||
== MBEDTLS_TEST_ERROR_QUEUE_EMPTY );
|
||||
|
||||
TEST_ASSERT( mbedtls_mock_tcp_recv_msg( &client_context, received, MSGLEN )
|
||||
== MBEDTLS_TEST_ERROR_QUEUE_EMPTY );
|
||||
exit:
|
||||
mbedtls_message_socket_close( &server_context );
|
||||
mbedtls_message_socket_close( &client_context );
|
||||
}
|
||||
/* END_CASE */
|
||||
|
||||
/* BEGIN_CASE depends_on:MBEDTLS_SSL_DTLS_ANTI_REPLAY */
|
||||
void ssl_dtls_replay( data_t * prevs, data_t * new, int ret )
|
||||
{
|
||||
|
|
|
|||
Loading…
Reference in a new issue