/* * FreeRTOS memory safety proofs with CBMC. * Copyright (C) 2022 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 */ /* Standard includes. */ #include /* FreeRTOS includes. */ #include "FreeRTOS.h" #include "task.h" #include "semphr.h" /* FreeRTOS+TCP includes. */ #include "FreeRTOS_IP.h" #include "FreeRTOS_Sockets.h" #include "FreeRTOS_IP_Private.h" #include "FreeRTOS_UDP_IP.h" #include "FreeRTOS_DHCP.h" #include "FreeRTOS_DHCPv6.h" #include "FreeRTOS_ARP.h" /* CBMC includes. */ #include "cbmc.h" void __CPROVER_file_local_FreeRTOS_DHCPv6_c_prvSendDHCPMessage( NetworkEndPoint_t * pxEndPoint ); void harness() { NetworkEndPoint_t * pxNetworkEndPoint_Temp = safeMalloc( sizeof( NetworkEndPoint_t ) ); __CPROVER_assume( pxNetworkEndPoint_Temp != NULL ); /* The application provides the random number and time hook in a memory safe manner. */ pxNetworkEndPoint_Temp->pxDHCPMessage = safeMalloc( sizeof( DHCPMessage_IPv6_t ) ); /* All calls to prvSendDHCPMessage are after asserts to make sure pxDHCPMessage * is never NULL. [xDHCPv6ProcessEndPoint_HandleState(): configASSERT( pxDHCPMessage != NULL );] */ __CPROVER_assume( pxNetworkEndPoint_Temp->pxDHCPMessage != NULL ); __CPROVER_file_local_FreeRTOS_DHCPv6_c_prvSendDHCPMessage( pxNetworkEndPoint_Temp ); }