diff options
Diffstat (limited to 'FreeRTOS-Plus/Test/CBMC/proofs/TCP/prvTCPReturnPacket/TCPReturnPacket_harness.c')
-rw-r--r-- | FreeRTOS-Plus/Test/CBMC/proofs/TCP/prvTCPReturnPacket/TCPReturnPacket_harness.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/FreeRTOS-Plus/Test/CBMC/proofs/TCP/prvTCPReturnPacket/TCPReturnPacket_harness.c b/FreeRTOS-Plus/Test/CBMC/proofs/TCP/prvTCPReturnPacket/TCPReturnPacket_harness.c new file mode 100644 index 000000000..19552565b --- /dev/null +++ b/FreeRTOS-Plus/Test/CBMC/proofs/TCP/prvTCPReturnPacket/TCPReturnPacket_harness.c @@ -0,0 +1,67 @@ +/* + * 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 "../../utility/memory_assignments.c" + +/* This proof assumes that pxDuplicateNetworkBufferWithDescriptor is implemented correctly. */ + +void publicTCPReturnPacket( FreeRTOS_Socket_t *pxSocket, NetworkBufferDescriptor_t *pxNetworkBuffer, uint32_t ulLen, BaseType_t xReleaseAfterSend ); + +/* Abstraction of pxDuplicateNetworkBufferWithDescriptor*/ +NetworkBufferDescriptor_t *pxDuplicateNetworkBufferWithDescriptor( NetworkBufferDescriptor_t * const pxNetworkBuffer, + BaseType_t xNewLength ) { + NetworkBufferDescriptor_t *pxNetworkBuffer = ensure_FreeRTOS_NetworkBuffer_is_allocated(); + if (ensure_memory_is_valid(pxNetworkBuffer, sizeof(*pxNetworkBuffer))) { + pxNetworkBuffer->pucEthernetBuffer = safeMalloc(sizeof(TCPPacket_t)); + __CPROVER_assume(pxNetworkBuffer->pucEthernetBuffer); + } + return pxNetworkBuffer; +} + +void harness() { + FreeRTOS_Socket_t *pxSocket = ensure_FreeRTOS_Socket_t_is_allocated(); + NetworkBufferDescriptor_t *pxNetworkBuffer = ensure_FreeRTOS_NetworkBuffer_is_allocated(); + if (ensure_memory_is_valid(pxNetworkBuffer, sizeof(*pxNetworkBuffer))) { + pxNetworkBuffer->pucEthernetBuffer = safeMalloc(sizeof(TCPPacket_t)); + __CPROVER_assume(pxNetworkBuffer->pucEthernetBuffer); + } + uint32_t ulLen; + BaseType_t xReleaseAfterSend; + /* The code does not expect both of these to be equal to NULL at the same time. */ + __CPROVER_assume(pxSocket != NULL || pxNetworkBuffer != NULL); + publicTCPReturnPacket(pxSocket, pxNetworkBuffer, ulLen, xReleaseAfterSend); +} |