mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
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cb7edd2323
* AFR sync * AFR sync: CBMC * AFR sync: CBMC: remove .bak files * AFR sync: CBMC: more cleanup * Corrected CBMC proofs * Corrected CBMC patches * Corrected CBMC patches-1 * Corrected CBMC patches-2 * remove .bak files (3) Co-authored-by: Yuhui Zheng <10982575+yuhui-zheng@users.noreply.github.com>
102 lines
3.5 KiB
C
102 lines
3.5 KiB
C
/*
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* FreeRTOS memory safety proofs with CBMC.
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* Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* http://aws.amazon.com/freertos
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* http://www.FreeRTOS.org
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*/
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/* Standard includes. */
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#include <stdint.h>
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/* FreeRTOS includes. */
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#include "FreeRTOS.h"
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#include "task.h"
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#include "semphr.h"
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/* FreeRTOS+TCP includes. */
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#include "FreeRTOS_IP.h"
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#include "FreeRTOS_Sockets.h"
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#include "FreeRTOS_IP_Private.h"
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#include "FreeRTOS_UDP_IP.h"
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#include "FreeRTOS_DHCP.h"
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#include "FreeRTOS_ARP.h"
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/* Static members defined in FreeRTOS_DHCP.c */
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extern DHCPData_t xDHCPData;
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extern Socket_t xDHCPSocket;
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void prvCreateDHCPSocket();
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/* Static member defined in freertos_api.c */
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#ifdef CBMC_GETNETWORKBUFFER_FAILURE_BOUND
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extern uint32_t GetNetworkBuffer_failure_count;
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#endif
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/****************************************************************
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* The signature of the function under test.
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****************************************************************/
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void vDHCPProcess( BaseType_t xReset );
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/****************************************************************
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* Abstract prvProcessDHCPReplies proved memory safe in ProcessDHCPReplies.
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****************************************************************/
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BaseType_t prvProcessDHCPReplies( BaseType_t xExpectedMessageType )
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{
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return nondet_BaseType();
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}
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/****************************************************************
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* The proof of vDHCPProcess
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****************************************************************/
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void harness()
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{
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BaseType_t xReset;
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/****************************************************************
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* Initialize the counter used to bound the number of times
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* GetNetworkBufferWithDescriptor can fail.
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****************************************************************/
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#ifdef CBMC_GETNETWORKBUFFER_FAILURE_BOUND
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GetNetworkBuffer_failure_count = 0;
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#endif
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/****************************************************************
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* Assume a valid socket in most states of the DHCP state machine.
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*
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* The socket is created in the eWaitingSendFirstDiscover state.
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* xReset==True resets the state to eWaitingSendFirstDiscover.
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****************************************************************/
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if( !( ( xDHCPData.eDHCPState == eWaitingSendFirstDiscover ) ||
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( xReset != pdFALSE ) ) )
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{
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prvCreateDHCPSocket();
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__CPROVER_assume( xDHCPSocket != NULL );
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}
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vDHCPProcess( xReset );
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}
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