1 files changed, 72 insertions, 0 deletions
diff --git a/FreeRTOS-Plus/Test/CBMC/proofs/TCP/prvTCPPrepareSend/TCPPrepareSend_harness.c b/FreeRTOS-Plus/Test/CBMC/proofs/TCP/prvTCPPrepareSend/TCPPrepareSend_harness.c
new file mode 100644
index 000000000..9c41d7b7f
--- /dev/null
+++ b/FreeRTOS-Plus/Test/CBMC/proofs/TCP/prvTCPPrepareSend/TCPPrepareSend_harness.c
@@ -0,0 +1,72 @@
+/*
+ * FreeRTOS memory safety proofs with CBMC.
+ * Copyright (C) 2019 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * http://aws.amazon.com/freertos
+ * http://www.FreeRTOS.org
+ */
+
+/* FreeRTOS includes. */
+#include "FreeRTOS.h"
+#include "queue.h"
+
+/* FreeRTOS+TCP includes. */
+#include "FreeRTOS_IP.h"
+#include "FreeRTOS_IP_Private.h"
+#include "FreeRTOS_TCP_IP.h"
+#include "FreeRTOS_Stream_Buffer.h"
+
+#include "../../utility/memory_assignments.c"
+
+/* This proof assumes that pxGetNetworkBufferWithDescriptor is implemented correctly. */
+int32_t publicTCPPrepareSend( FreeRTOS_Socket_t *pxSocket, NetworkBufferDescriptor_t **ppxNetworkBuffer, UBaseType_t uxOptionsLength );
+
+/* Abstraction of pxGetNetworkBufferWithDescriptor. It creates a buffer. */
+NetworkBufferDescriptor_t *pxGetNetworkBufferWithDescriptor( size_t xRequestedSizeBytes, TickType_t xBlockTimeTicks ){
+	NetworkBufferDescriptor_t *pxBuffer = ensure_FreeRTOS_NetworkBuffer_is_allocated ();
+	size_t bufferSize = sizeof(NetworkBufferDescriptor_t);
+	if (ensure_memory_is_valid(pxBuffer, bufferSize)) {
+		/* The code does not expect pucEthernetBuffer to be equal to NULL if
+		pxBuffer is not NULL. */
+		pxBuffer->pucEthernetBuffer = malloc(xRequestedSizeBytes);
+		pxBuffer->xDataLength = xRequestedSizeBytes;
+	}
+	return pxBuffer;
+}
+
+void harness() {
+	FreeRTOS_Socket_t *pxSocket = ensure_FreeRTOS_Socket_t_is_allocated();
+	NetworkBufferDescriptor_t *pxNetworkBuffer = ensure_FreeRTOS_NetworkBuffer_is_allocated();
+	size_t socketSize = sizeof(FreeRTOS_Socket_t);
+	size_t bufferSize = sizeof(TCPPacket_t);
+	if (ensure_memory_is_valid(pxNetworkBuffer, sizeof(*pxNetworkBuffer))) {
+		pxNetworkBuffer->xDataLength = bufferSize;
+		/* The code does not expect pucEthernetBuffer to be equal to NULL if
+		pxNetworkBuffer is not NULL. */
+		pxNetworkBuffer->pucEthernetBuffer = malloc(bufferSize);
+	}
+	UBaseType_t uxOptionsLength;
+	if(pxSocket) {
+		publicTCPPrepareSend(pxSocket, &pxNetworkBuffer, uxOptionsLength );
+	}
+}