Add dry-run option to perform everything but the actual firmware image update.

--- a/TPMFactoryUpd/CommandFlow_TpmUpdate.c
+++ b/TPMFactoryUpd/CommandFlow_TpmUpdate.c
@@ -272,6 +272,7 @@ CommandFlow_TpmUpdate_UpdateFirmware(
 	_Inout_ IfxUpdate* PpTpmUpdate)
 {
 	unsigned int unReturnValue = RC_E_FAIL;
+	BOOL fValue = FALSE;
 
 	LOGGING_WRITE_LEVEL4(LOGGING_METHOD_ENTRY_STRING);
 
@@ -327,7 +328,17 @@ CommandFlow_TpmUpdate_UpdateFirmware(
 		sFirmwareUpdateData.fnUpdateStartedCallback = &CommandFlow_TpmUpdate_UpdateStartedCallback;
 		sFirmwareUpdateData.rgbFirmwareImage = PpTpmUpdate->rgbFirmwareImage;
 		sFirmwareUpdateData.unFirmwareImageSize = PpTpmUpdate->unFirmwareImageSize;
-		PpTpmUpdate->unReturnCode = FirmwareUpdate_UpdateImage(&sFirmwareUpdateData);
+		if (TRUE == PropertyStorage_GetBooleanValueByKey(PROPERTY_DRY_RUN, &fValue) && TRUE == fValue)
+		{
+			PpTpmUpdate->unReturnCode = RC_SUCCESS;
+			for (unsigned long long ullProgress = 25; ullProgress <= 100; ullProgress += 25)
+			{
+				Platform_SleepMicroSeconds(2*1000*1000);
+				Response_ProgressCallback(ullProgress);
+			}
+		}
+		else
+			PpTpmUpdate->unReturnCode = FirmwareUpdate_UpdateImage(&sFirmwareUpdateData);
 		unReturnValue = RC_SUCCESS;
 		if (RC_SUCCESS != PpTpmUpdate->unReturnCode)
 			break;
--- a/TPMFactoryUpd/CommandLineParser.c
+++ b/TPMFactoryUpd/CommandLineParser.c
@@ -316,6 +316,20 @@ CommandLineParser_Parse(
 			break;
 		}
 
+		// **** -dry-run
+		if (0 == Platform_StringCompare(PwszCommandLineOption, CMD_DRY_RUN, RG_LEN(CMD_DRY_RUN), TRUE))
+		{
+			unReturnValue = CommandLineParser_CheckCommandLineOptions(PwszCommandLineOption);
+			if (RC_SUCCESS != unReturnValue)
+				break;
+
+			// Add dry_run property, ignore return value because CommandLineParser_CheckCommandLineOptions takes care of doubled given options
+			IGNORE_RETURN_VALUE(PropertyStorage_AddKeyBooleanValuePair(PROPERTY_DRY_RUN, TRUE));
+
+			unReturnValue = CommandLineParser_IncrementOptionCount();
+			break;
+		}
+
 		unReturnValue = RC_E_BAD_COMMANDLINE;
 		ERROR_STORE_FMT(unReturnValue, L"Unknown command line parameter (%ls).", PwszCommandLineOption);
 	}
@@ -642,6 +656,7 @@ CommandLineParser_CheckCommandLineOptions(
 		BOOL fClearOwnership = FALSE;
 		BOOL fAccessMode = FALSE;
 		BOOL fConfigFileOption = FALSE;
+		BOOL fDryRunOption = FALSE;
 
 		// Read Property storage
 		if (TRUE == PropertyStorage_ExistsElement(PROPERTY_HELP))
@@ -660,6 +675,8 @@ CommandLineParser_CheckCommandLineOptions(
 			fAccessMode = TRUE;
 		if (TRUE == PropertyStorage_ExistsElement(PROPERTY_CONFIG_FILE_PATH))
 			fConfigFileOption = TRUE;
+		if (TRUE == PropertyStorage_ExistsElement(PROPERTY_DRY_RUN))
+			fDryRunOption = TRUE;
 
 		// **** -help [Help]
 		if (0 == Platform_StringCompare(PwszCommand, CMD_HELP, RG_LEN(CMD_HELP), TRUE) ||
@@ -765,6 +782,15 @@ CommandLineParser_CheckCommandLineOptions(
 			break;
 		}
 
+		// **** -dry-run [DryRun]
+		if (0 == Platform_StringCompare(PwszCommand, CMD_DRY_RUN, RG_LEN(CMD_DRY_RUN), TRUE))
+		{
+			// Command line parameter 'dry-run' can be combined with any parameters, though has meaning only for 'update'
+			if (TRUE == fDryRunOption) // And parameter 'dry-run' should not be given twice
+				unReturnValue = RC_E_BAD_COMMANDLINE;
+			break;
+		}
+
 		unReturnValue = RC_E_BAD_COMMANDLINE;
 	}
 	WHILE_FALSE_END;
--- a/TPMFactoryUpd/PropertyDefines.h
+++ b/TPMFactoryUpd/PropertyDefines.h
@@ -66,6 +66,8 @@ extern "C" {
 #define PROPERTY_CONFIG_TARGET_FIRMWARE_VERSION_LPC	L"TargetFirmwareVersionLPC"
 /// Define for Firmware Folder Path
 #define PROPERTY_CONFIG_FIRMWARE_FOLDER_PATH	L"FirmwareFolderPath"
+/// Define for dry run property
+#define PROPERTY_DRY_RUN				L"DryRun"
 
 #ifdef __cplusplus
 }
--- a/TPMFactoryUpd/Resource.h
+++ b/TPMFactoryUpd/Resource.h
@@ -110,6 +110,7 @@
 #define CMD_TPM12_CLEAROWNERSHIP					L"tpm12-clearownership"
 #define CMD_ACCESS_MODE								L"access-mode"
 #define CMD_CONFIG									L"config"
+#define CMD_DRY_RUN									L"dry-run"
 
 // --------------- Help Output ---------------------
 #define HELP_LINE1		L"Call: TPMFactoryUpd [parameter] [parameter] ..."
@@ -154,6 +155,8 @@
 #define HELP_LINE40		L"      with PCH TPM support)"
 #define HELP_LINE41		L"  3 - Linux TPM driver. The <path> option can be set to define a device path"
 #define HELP_LINE42		L"      (default value: /dev/tpm0)"
+#define HELP_LINE43		L"\n-%ls" /* use with format CMD_DRY_RUN */
+#define HELP_LINE44		L"  Optional parameter. Do everything except actually updating the image."
 
 //{{NO_DEPENDENCIES}}
 // Microsoft Visual C++ generated include file.
--- a/TPMFactoryUpd/Response.c
+++ b/TPMFactoryUpd/Response.c
@@ -1047,6 +1047,8 @@ Response_ShowHelp()
 		CONSOLEIO_WRITE_BREAK(FALSE, HELP_LINE41);
 		CONSOLEIO_WRITE_BREAK(FALSE, HELP_LINE42);
 #endif
+		CONSOLEIO_WRITE_BREAK_FMT(FALSE, HELP_LINE43, CMD_DRY_RUN);
+		CONSOLEIO_WRITE_BREAK(FALSE, HELP_LINE44);
 	}
 	WHILE_FALSE_END;