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Adding FreeRTOS+TCP CBMC proofs to FreeRTOS/FreeRTOS (#56)

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ParseDNSReply is to be added in the next PR.
This commit is contained in:
AniruddhaKanhere 2020-04-21 15:40:08 -07:00 • committed by GitHub
parent 40a31b6d35
commit 4db195c916
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GPG key ID: 4AEE18F83AFDEB23
100 changed files with 3448 additions and 30 deletions
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23
FreeRTOS/Test/CBMC/proofs/parsing/ProcessReceivedUDPPacket/Makefile.json Normal file
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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}"
]
}

46
FreeRTOS/Test/CBMC/proofs/parsing/ProcessReceivedUDPPacket/ProcessReceivedUDPPacket_harness.c Normal file
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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);
}
}