Move CBMC proofs to FreeRTOS+ directory (#64)

* move CBMC proofs to FreeRTOS+ directory

* Failing proofs corrected

* ParseDNSReply proof added back

* removed queue_init.h from -Plus/Test

Co-authored-by: Yuhui Zheng <10982575+yuhui-zheng@users.noreply.github.com>
This commit is contained in:
AniruddhaKanhere 2020-05-05 09:57:18 -07:00 committed by GitHub
parent 95ae7c6575
commit d95624c5d6
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137 changed files with 3633 additions and 5 deletions

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{
"ENTRY": "ProcessReceivedUDPPacket",
"MAX_RX_PACKETS":1,
"USE_LLMNR":1,
"USE_NBNS":1,
"CBMCFLAGS":
[
"--unwind 1",
"--nondet-static"
],
"OBJS":
[
"$(ENTRY)_harness.goto",
"$(FREERTOS)/../FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/FreeRTOS_UDP_IP.goto",
"$(FREERTOS)/../FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/FreeRTOS_IP.goto"
],
"DEF":
[
"ipconfigUDP_MAX_RX_PACKETS={MAX_RX_PACKETS}",
"ipconfigUSE_LLMNR={USE_LLMNR}",
"ipconfigUSE_NBNS={USE_NBNS}"
]
}

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/* FreeRTOS includes. */
#include "FreeRTOS.h"
#include "queue.h"
/* FreeRTOS+TCP includes. */
#include "FreeRTOS_IP.h"
#include "FreeRTOS_IP_Private.h"
#include "FreeRTOS_ARP.h"
#include "FreeRTOS_UDP_IP.h"
#include "FreeRTOS_TCP_IP.h"
/*This proof assumes that pxUDPSocketLookup is implemented correctly. */
/* This proof was done before. Hence we assume it to be correct here. */
void vARPRefreshCacheEntry(const MACAddress_t * pxMACAddress, const uint32_t ulIPAddress) { }
/* This proof was done before. Hence we assume it to be correct here. */
BaseType_t xIsDHCPSocket(Socket_t xSocket) { }
/* This proof was done before. Hence we assume it to be correct here. */
uint32_t ulDNSHandlePacket(NetworkBufferDescriptor_t *pxNetworkBuffer) { }
/* Implementation of safe malloc */
void *safeMalloc(size_t xWantedSize) {
if(xWantedSize == 0) {
return NULL;
}
uint8_t byte;
return byte ? malloc(xWantedSize) : NULL;
}
/* Abstraction of pxUDPSocketLookup */
FreeRTOS_Socket_t *pxUDPSocketLookup( UBaseType_t uxLocalPort ) {
return safeMalloc(sizeof(FreeRTOS_Socket_t));
}
void harness() {
NetworkBufferDescriptor_t *pxNetworkBuffer = safeMalloc(sizeof(NetworkBufferDescriptor_t));
if(pxNetworkBuffer) {
pxNetworkBuffer->pucEthernetBuffer = safeMalloc(sizeof(UDPPacket_t));
}
uint16_t usPort;
if (pxNetworkBuffer && pxNetworkBuffer->pucEthernetBuffer) {
xProcessReceivedUDPPacket(pxNetworkBuffer, usPort);
}
}