int main()

in AZ3166/tools/dice_device_enrollment/src/dice_device_enrollment/dice_device_enrollment.cpp [453:551]
78 lines of code
11 McCabe index (conditional complexity)

int main(int argc, char * argv[])
{
	binFileFullPath[0] = 0;
	mapFileFullPath[0] = 0;
	registrationId = NULL;
	udsString = NULL;

	int result = parseCommandArguments(argc, argv);
	if (result == -1)
	{
		printHelp();
		return exitFunction(1);
	}
	else if (result == 1)
	{
		// Enter interact mode
		fileName = get_user_input("Input the name of your project, default name is \"DevKitDPS\" :", fileNameLength);
		if (strlen(fileName) == 0)
		{
			strcpy(fileName, "DevKitDPS");
		}
		// Check sanity of input files - .bin and .map
		if (validateInputFiles() != 0)
		{
			return exitFunction(1);
		}
		// Get user input
		udsString = get_user_input("Input the UDS you saved into security chip of your DevKit: ", 64);
		
		// Registration ID
		registrationId = get_user_input("Input your preferred registrationId as you input in DPS.ino(Click Enter to skip if no registrationId provided in DPS.ino): ", 128);
		if (strlen(registrationId) == 0)
		{
			macAddress = get_user_input("Input the Mac Address on your DevKit: ", 12);
			if (macAddressValidated() != 0)
			{
				return exitFunction(1);
			}
			firmwareVer = get_user_input("Input the firmware version of the program running on your DevKit: ", 5);
			if (firmwareVerValidated() != 0)
			{
				return exitFunction(1);
			}

			// Auto Generate registrationId based on firmware version and device MAC address
			autoGenRegistrationId();
		}
	}
	// Validate the UDS
	if (udsStringValidated() != 0)
	{
		return exitFunction(1);
	}
	else
	{
		// Prepare UDS from udsString
		getUDSBytesFromString();
	}
	// Validate the Registration ID
	if (registrationIdValidated())
	{
		return exitFunction(1);
	}
	
	// Get start address of flash from .bin file
	unsigned long int resultAddress;
	resultAddress = findAddressInMapFile(flashStartname);
	if (resultAddress == 0)
	{
		return exitFunction(1);
	}
	startBin = (uint8_t*)resultAddress;

	uint32_t riotSize;
	uint32_t riotFwSize;
	uint8_t* riotCore = getBinFileWithName(startRiotCoreName, stopRiotCoreName, riotSize);
	uint8_t* riotFw = getBinFileWithName(startRiotFwName, stopRiotFwName, riotFwSize);

	// Retrieve alias certificate
	char* aliasCertBuffer = (char*)malloc(aliasCertSize);
	memset(aliasCertBuffer, 0, aliasCertSize);
	DiceRIoTStart(registrationId, riotCore, riotSize, riotFw, riotFwSize, aliasCertBuffer, aliasCertSize);

	// Write the cert to pem file
	FILE * opening;
	char certFileName[64] = { '\0' };
	sprintf(certFileName, "%s.pem", registrationId);
	opening = fopen(certFileName, "w");
	fprintf(opening, aliasCertBuffer);
	fclose(opening);
	printf("Writing to the Alias Key Certificate file %s is successful.\n", certFileName);

	// Release allocations in heap
	free(riotCore);
	free(riotFw);
	free(aliasCertBuffer);

	return exitFunction(0);
}