diff options
Diffstat (limited to 'FreeRTOS-Plus/Test/CBMC/proofs/parsing/ProcessReceivedUDPPacket')
2 files changed, 69 insertions, 0 deletions
diff --git a/FreeRTOS-Plus/Test/CBMC/proofs/parsing/ProcessReceivedUDPPacket/Makefile.json b/FreeRTOS-Plus/Test/CBMC/proofs/parsing/ProcessReceivedUDPPacket/Makefile.json new file mode 100644 index 000000000..017f625f0 --- /dev/null +++ b/FreeRTOS-Plus/Test/CBMC/proofs/parsing/ProcessReceivedUDPPacket/Makefile.json @@ -0,0 +1,23 @@ +{ + "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}" + ] +} diff --git a/FreeRTOS-Plus/Test/CBMC/proofs/parsing/ProcessReceivedUDPPacket/ProcessReceivedUDPPacket_harness.c b/FreeRTOS-Plus/Test/CBMC/proofs/parsing/ProcessReceivedUDPPacket/ProcessReceivedUDPPacket_harness.c new file mode 100644 index 000000000..0082e5d61 --- /dev/null +++ b/FreeRTOS-Plus/Test/CBMC/proofs/parsing/ProcessReceivedUDPPacket/ProcessReceivedUDPPacket_harness.c @@ -0,0 +1,46 @@ +/* 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); + } +} |