/*
 * msiexec.exe implementation
 *
 * Copyright 2004 Vincent Béron
 * Copyright 2005 Mike McCormack
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <windows.h>
#include <msi.h>
#include <objbase.h>
#include <stdio.h>

#include "msiexec.h"

#include "wine/debug.h"

WINE_DEFAULT_DEBUG_CHANNEL(msiexec);

struct string_list
{
	struct string_list *next;
	CHAR str[1];
};

static const char UsageStr[] =
"Usage:\n"
"  Install a product:\n"
"    msiexec {package|productcode} [property]\n"
"    msiexec /i {package|productcode} [property]\n"
"    msiexec /a package [property]\n"
"  Repair an installation:\n"
"    msiexec /f[p|o|e|d|c|a|u|m|s|v] {package|productcode}\n"
"  Uninstall a product:\n"
"    msiexec /x {package|productcode} [property]\n"
"  Advertise a product:\n"
"    msiexec /j[u|m] package [/t transform] [/g languageid]\n"
"    msiexec {u|m} package [/t transform] [/g languageid]\n"
"  Apply a patch:\n"
"    msiexec /p patchpackage [property]\n"
"    msiexec /p patchpackage /a package [property]\n"
"  Modifiers for above operations:\n"
"    msiexec /l[*][i|w|e|a|r|u|c|m|o|p|v|][+|!] logfile\n"
"    msiexec /q{|n|b|r|f|n+|b+|b-}\n"
"  Register a module:\n"
"    msiexec /y module\n"
"  Unregister a module:\n"
"    msiexec /z module\n"
"  Display usage and copyright:\n"
"    msiexec {/h|/?}\n"
"NOTE: Product code on commandline unimplemented as of yet\n"
"\n"
"Copyright 2004 Vincent Béron\n";

static const char ActionAdmin[] = "ACTION=ADMIN ";
static const char RemoveAll[] = "REMOVE=ALL ";

static void ShowUsage(int ExitCode)
{
	printf(UsageStr);
	ExitProcess(ExitCode);
}

static BOOL GetProductCode(LPCSTR str, LPCSTR *PackageName, LPGUID ProductCode)
{
	BOOL ret = FALSE;
	int len = 0;
	LPWSTR wstr = NULL;

	if(strlen(str) == 38)
	{
		len = MultiByteToWideChar(CP_ACP, 0, str, -1, wstr, 0);
		wstr = HeapAlloc(GetProcessHeap(), 0, (len+1)*sizeof(WCHAR));
		ret = (CLSIDFromString(wstr, ProductCode) == NOERROR);
		HeapFree(GetProcessHeap(), 0, wstr);
		wstr = NULL;
	}

	if(!ret)
		*PackageName = str;

	return ret;
}

static VOID StringListAppend(struct string_list **list, LPCSTR str)
{
	struct string_list *entry;
	DWORD size;

	size = sizeof *entry + strlen(str) * sizeof (CHAR);
	entry = HeapAlloc(GetProcessHeap(), 0, size);
	if(!entry)
	{
		WINE_ERR("Out of memory!\n");
		ExitProcess(1);
	}
	strcpy(entry->str, str);
	entry->next = NULL;

	/*
	 * Ignoring o(n^2) time complexity to add n strings for simplicity,
	 *  add the string to the end of the list to preserve the order.
	 */
	while( *list )
		list = &(*list)->next;
	*list = entry;
}

static LPSTR build_properties(struct string_list *property_list)
{
	struct string_list *list;
	LPSTR ret, p, value;
	DWORD len;
	BOOL needs_quote;

	if(!property_list)
		return NULL;

	/* count the space we need */
	len = 1;
	for(list = property_list; list; list = list->next)
		len += strlen(list->str) + 3;

	ret = HeapAlloc( GetProcessHeap(), 0, len*sizeof(CHAR) );

	/* add a space before each string, and quote the value */
	p = ret;
	for(list = property_list; list; list = list->next)
	{
		value = strchr(list->str,'=');
		if(!value)
			continue;
		len = value - list->str;
		*p++ = ' ';
		strncpy(p, list->str, len);
		p += len;
		*p++ = '=';

		/* check if the value contains spaces and maybe quote it */
		value++;
		needs_quote = strchr(value,' ') ? 1 : 0;
		if(needs_quote)
			*p++ = '"';
		len = strlen(value);
		strncpy(p, value, len);
		p += len;
		if(needs_quote)
			*p++ = '"';
	}
	*p = 0;

	return ret;
}

static LPSTR build_transforms(struct string_list *transform_list)
{
	struct string_list *list;
	LPSTR ret, p;
	DWORD len;

	/* count the space we need */
	len = 1;
	for(list = transform_list; list; list = list->next)
		len += strlen(list->str) + 1;

	ret = HeapAlloc( GetProcessHeap(), 0, len*sizeof(CHAR) );

	/* add all the transforms with a semicolon between each one */
	p = ret;
	for(list = transform_list; list; list = list->next)
	{
		len = strlen(list->str);
		strncpy(p, list->str, len );
		p += len;
		if(list->next)
			*p++ = ';';
	}
	*p = 0;

	return ret;
}

static INT MSIEXEC_lstrncmpiA(LPCSTR str1, LPCSTR str2, INT size)
{
	INT ret;

	if ((str1 == NULL) && (str2 == NULL)) return 0;
	if (str1 == NULL) return -1;
	if (str2 == NULL) return 1;

	ret = CompareStringA(GetThreadLocale(), NORM_IGNORECASE, str1, size, str2, -1);
	if (ret) ret -= 2;

	return ret;
}

static VOID *LoadProc(LPCSTR DllName, LPCSTR ProcName, HMODULE* DllHandle)
{
	VOID* (*proc)(void);

	*DllHandle = LoadLibraryExA(DllName, NULL, LOAD_WITH_ALTERED_SEARCH_PATH);
	if(!*DllHandle)
	{
		fprintf(stderr, "Unable to load dll %s\n", DllName);
		ExitProcess(1);
	}
	proc = (VOID *) GetProcAddress(*DllHandle, ProcName);
	if(!proc)
	{
		fprintf(stderr, "Dll %s does not implement function %s\n", DllName, ProcName);
		FreeLibrary(*DllHandle);
		ExitProcess(1);
	}

	return proc;
}

static DWORD DllRegisterServer(LPCSTR DllName)
{
	HRESULT hr;
	DLLREGISTERSERVER pfDllRegisterServer = NULL;
	HMODULE DllHandle = NULL;

	pfDllRegisterServer = LoadProc(DllName, "DllRegisterServer", &DllHandle);

	hr = pfDllRegisterServer();
	if(FAILED(hr))
	{
		fprintf(stderr, "Failed to register dll %s\n", DllName);
		return 1;
	}
	printf("Successfully registered dll %s\n", DllName);
	if(DllHandle)
		FreeLibrary(DllHandle);
	return 0;
}

static DWORD DllUnregisterServer(LPCSTR DllName)
{
	HRESULT hr;
	DLLUNREGISTERSERVER pfDllUnregisterServer = NULL;
	HMODULE DllHandle = NULL;

	pfDllUnregisterServer = LoadProc(DllName, "DllUnregisterServer", &DllHandle);

	hr = pfDllUnregisterServer();
	if(FAILED(hr))
	{
		fprintf(stderr, "Failed to unregister dll %s\n", DllName);
		return 1;
	}
	printf("Successfully unregistered dll %s\n", DllName);
	if(DllHandle)
		FreeLibrary(DllHandle);
	return 0;
}

/*
 * state machine to break up the command line properly
 */

enum chomp_state
{
	cs_whitespace,
	cs_token,
	cs_quote
};

static int chomp( char *str )
{
	enum chomp_state state = cs_whitespace;
	char *p, *out;
	int count = 0, ignore;

	for( p = str, out = str; *p; p++ )
	{
		ignore = 1;
		switch( state )
		{
		case cs_whitespace:
			switch( *p )
			{
			case ' ':
				break;
			case '"':
				state = cs_quote;
				count++;
				break;
			default:
				count++;
				ignore = 0;
				state = cs_token;
			}
			break;

		case cs_token:
			switch( *p )
			{
			case '"':
				state = cs_quote;
				break;
			case ' ':
				state = cs_whitespace;
				*out++ = 0;
				break;
			default:
				ignore = 0;
			}
			break;

		case cs_quote:
			switch( *p )
			{
			case '"':
				state = cs_token;
				break;
			default:
				ignore = 0;
			}
			break;
		}
		if( !ignore )
			*out++ = *p;
	}

	*out = 0;

	return count;
}

void process_args( char *cmdline, int *pargc, char ***pargv )
{
	char **argv, *p = strdup(cmdline);
	int i, n;

	n = chomp( p );
	argv = HeapAlloc(GetProcessHeap(), 0, sizeof (char*)*(n+1));
	for( i=0; i<n; i++ )
	{
		argv[i] = p;
		p += strlen(p) + 1;
	}
	argv[i] = NULL;

	*pargc = n;
	*pargv = argv;
}

int main(int argc, char **argv)
{
	int i;
	BOOL FunctionInstall = FALSE;
	BOOL FunctionInstallAdmin = FALSE;
	BOOL FunctionRepair = FALSE;
	BOOL FunctionAdvertise = FALSE;
	BOOL FunctionPatch = FALSE;
	BOOL FunctionDllRegisterServer = FALSE;
	BOOL FunctionDllUnregisterServer = FALSE;
	BOOL FunctionRegServer = FALSE;
	BOOL FunctionUnregServer = FALSE;
	BOOL FunctionUnknown = FALSE;

	BOOL GotProductCode = FALSE;
	LPCSTR PackageName = NULL;
	GUID ProductCode;
	LPSTR Properties = NULL;
	struct string_list *property_list = NULL;

	DWORD RepairMode = 0;

	DWORD AdvertiseMode = 0;
	LPSTR Transforms = NULL;
	struct string_list *transform_list = NULL;
	LANGID Language = 0;

	DWORD LogMode = 0;
	LPSTR LogFileName = NULL;
	DWORD LogAttributes = 0;

	LPSTR PatchFileName = NULL;
	INSTALLTYPE InstallType = INSTALLTYPE_DEFAULT;

	INSTALLUILEVEL InstallUILevel = 0, retInstallUILevel;

	LPSTR DllName = NULL;
	DWORD ReturnCode;

	process_args( GetCommandLineA(), &argc, &argv );

	for(i = 1; i < argc; i++)
	{
		WINE_TRACE("argv[%d] = %s\n", i, argv[i]);

		if (!lstrcmpiA(argv[i], "/regserver"))
		{
			FunctionRegServer = TRUE;
		}
		else if (!lstrcmpiA(argv[i], "/unregserver") || !lstrcmpiA(argv[i], "/unregister"))
		{
			FunctionUnregServer = TRUE;
		}
		else if(!MSIEXEC_lstrncmpiA(argv[i], "/i", 2))
		{
			char *argvi = argv[i];
			FunctionInstall = TRUE;
			if(strlen(argvi) > 2)
				argvi += 2;
			else
			{
				i++;
				if(i >= argc)
					ShowUsage(1);
				WINE_TRACE("argv[%d] = %s\n", i, argv[i]);
				argvi = argv[i];
			}
			GotProductCode = GetProductCode(argvi, &PackageName, &ProductCode);
		}
		else if(!lstrcmpiA(argv[i], "/a"))
		{
			FunctionInstall = TRUE;
			FunctionInstallAdmin = TRUE;
			InstallType = INSTALLTYPE_NETWORK_IMAGE;
			i++;
			if(i >= argc)
				ShowUsage(1);
			WINE_TRACE("argv[%d] = %s\n", i, argv[i]);
			PackageName = argv[i];
			StringListAppend(&property_list, ActionAdmin);
		}
		else if(!MSIEXEC_lstrncmpiA(argv[i], "/f", 2))
		{
			int j;
			int len = strlen(argv[i]);
			FunctionRepair = TRUE;
			for(j = 2; j < len; j++)
			{
				switch(argv[i][j])
				{
					case 'P':
					case 'p':
						RepairMode |= REINSTALLMODE_FILEMISSING;
						break;
					case 'O':
					case 'o':
						RepairMode |= REINSTALLMODE_FILEOLDERVERSION;
						break;
					case 'E':
					case 'e':
						RepairMode |= REINSTALLMODE_FILEEQUALVERSION;
						break;
					case 'D':
					case 'd':
						RepairMode |= REINSTALLMODE_FILEEXACT;
						break;
					case 'C':
					case 'c':
						RepairMode |= REINSTALLMODE_FILEVERIFY;
						break;
					case 'A':
					case 'a':
						RepairMode |= REINSTALLMODE_FILEREPLACE;
						break;
					case 'U':
					case 'u':
						RepairMode |= REINSTALLMODE_USERDATA;
						break;
					case 'M':
					case 'm':
						RepairMode |= REINSTALLMODE_MACHINEDATA;
						break;
					case 'S':
					case 's':
						RepairMode |= REINSTALLMODE_SHORTCUT;
						break;
					case 'V':
					case 'v':
						RepairMode |= REINSTALLMODE_PACKAGE;
						break;
					default:
						fprintf(stderr, "Unknown option \"%c\" in Repair mode\n", argv[i][j]);
						break;
				}
			}
			if(len == 2)
			{
				RepairMode = REINSTALLMODE_FILEMISSING |
					REINSTALLMODE_FILEEQUALVERSION |
					REINSTALLMODE_FILEVERIFY |
					REINSTALLMODE_MACHINEDATA |
					REINSTALLMODE_SHORTCUT;
			}
			i++;
			if(i >= argc)
				ShowUsage(1);
			WINE_TRACE("argv[%d] = %s\n", i, argv[i]);
			GotProductCode = GetProductCode(argv[i], &PackageName, &ProductCode);
		}
		else if(!lstrcmpiA(argv[i], "/x"))
		{
			FunctionInstall = TRUE;
			i++;
			if(i >= argc)
				ShowUsage(1);
			WINE_TRACE("argv[%d] = %s\n", i, argv[i]);
			GotProductCode = GetProductCode(argv[i], &PackageName, &ProductCode);
			StringListAppend(&property_list, RemoveAll);
		}
		else if(!MSIEXEC_lstrncmpiA(argv[i], "/j", 2))
		{
			int j;
			int len = strlen(argv[i]);
			FunctionAdvertise = TRUE;
			for(j = 2; j < len; j++)
			{
				switch(argv[i][j])
				{
					case 'U':
					case 'u':
						AdvertiseMode = ADVERTISEFLAGS_USERASSIGN;
						break;
					case 'M':
					case 'm':
						AdvertiseMode = ADVERTISEFLAGS_MACHINEASSIGN;
						break;
					default:
						fprintf(stderr, "Unknown option \"%c\" in Advertise mode\n", argv[i][j]);
						break;
				}
			}
			i++;
			if(i >= argc)
				ShowUsage(1);
			WINE_TRACE("argv[%d] = %s\n", i, argv[i]);
			PackageName = argv[i];
		}
		else if(!lstrcmpiA(argv[i], "u"))
		{
			FunctionAdvertise = TRUE;
			AdvertiseMode = ADVERTISEFLAGS_USERASSIGN;
			i++;
			if(i >= argc)
				ShowUsage(1);
			WINE_TRACE("argv[%d] = %s\n", i, argv[i]);
			PackageName = argv[i];
		}
		else if(!lstrcmpiA(argv[i], "m"))
		{
			FunctionAdvertise = TRUE;
			AdvertiseMode = ADVERTISEFLAGS_MACHINEASSIGN;
			i++;
			if(i >= argc)
				ShowUsage(1);
			WINE_TRACE("argv[%d] = %s\n", i, argv[i]);
			PackageName = argv[i];
		}
		else if(!lstrcmpiA(argv[i], "/t"))
		{
			i++;
			if(i >= argc)
				ShowUsage(1);
			WINE_TRACE("argv[%d] = %s\n", i, argv[i]);
			StringListAppend(&transform_list, argv[i]);
		}
		else if(!MSIEXEC_lstrncmpiA(argv[i], "TRANSFORMS=", 11))
		{
			StringListAppend(&transform_list, argv[i]+11);
		}
		else if(!lstrcmpiA(argv[i], "/g"))
		{
			i++;
			if(i >= argc)
				ShowUsage(1);
			WINE_TRACE("argv[%d] = %s\n", i, argv[i]);
			Language = strtol(argv[i], NULL, 0);
		}
		else if(!MSIEXEC_lstrncmpiA(argv[i], "/l", 2))
		{
			int j;
			int len = strlen(argv[i]);
			for(j = 2; j < len; j++)
			{
				switch(argv[i][j])
				{
					case 'I':
					case 'i':
						LogMode |= INSTALLLOGMODE_INFO;
						break;
					case 'W':
					case 'w':
						LogMode |= INSTALLLOGMODE_WARNING;
						break;
					case 'E':
					case 'e':
						LogMode |= INSTALLLOGMODE_ERROR;
						break;
					case 'A':
					case 'a':
						LogMode |= INSTALLLOGMODE_ACTIONSTART;
						break;
					case 'R':
					case 'r':
						LogMode |= INSTALLLOGMODE_ACTIONDATA;
						break;
					case 'U':
					case 'u':
						LogMode |= INSTALLLOGMODE_USER;
						break;
					case 'C':
					case 'c':
						LogMode |= INSTALLLOGMODE_COMMONDATA;
						break;
					case 'M':
					case 'm':
						LogMode |= INSTALLLOGMODE_FATALEXIT;
						break;
					case 'O':
					case 'o':
						LogMode |= INSTALLLOGMODE_OUTOFDISKSPACE;
						break;
					case 'P':
					case 'p':
						LogMode |= INSTALLLOGMODE_PROPERTYDUMP;
						break;
					case 'V':
					case 'v':
						LogMode |= INSTALLLOGMODE_VERBOSE;
						break;
					case '*':
						LogMode = INSTALLLOGMODE_FATALEXIT |
							INSTALLLOGMODE_ERROR |
							INSTALLLOGMODE_WARNING |
							INSTALLLOGMODE_USER |
							INSTALLLOGMODE_INFO |
							INSTALLLOGMODE_RESOLVESOURCE |
							INSTALLLOGMODE_OUTOFDISKSPACE |
							INSTALLLOGMODE_ACTIONSTART |
							INSTALLLOGMODE_ACTIONDATA |
							INSTALLLOGMODE_COMMONDATA |
							INSTALLLOGMODE_PROPERTYDUMP |
							INSTALLLOGMODE_PROGRESS |
							INSTALLLOGMODE_INITIALIZE |
							INSTALLLOGMODE_TERMINATE |
							INSTALLLOGMODE_SHOWDIALOG;
						break;
					case '+':
						LogAttributes |= INSTALLLOGATTRIBUTES_APPEND;
						break;
					case '!':
						LogAttributes |= INSTALLLOGATTRIBUTES_FLUSHEACHLINE;
						break;
					default:
						break;
				}
			}
			i++;
			if(i >= argc)
				ShowUsage(1);
			WINE_TRACE("argv[%d] = %s\n", i, argv[i]);
			LogFileName = argv[i];
			if(MsiEnableLogA(LogMode, LogFileName, LogAttributes) != ERROR_SUCCESS)
			{
				fprintf(stderr, "Logging in %s (0x%08lx, %lu) failed\n", LogFileName, LogMode, LogAttributes);
				ExitProcess(1);
			}
		}
		else if(!lstrcmpiA(argv[i], "/p"))
		{
			FunctionPatch = TRUE;
			i++;
			if(i >= argc)
				ShowUsage(1);
			WINE_TRACE("argv[%d] = %s\n", i, argv[i]);
			PatchFileName = argv[i];
		}
		else if(!MSIEXEC_lstrncmpiA(argv[i], "/q", 2))
		{
			if(strlen(argv[i]) == 2 || !lstrcmpiA(argv[i]+2, "n"))
			{
				InstallUILevel = INSTALLUILEVEL_NONE;
			}
			else if(!lstrcmpiA(argv[i]+2, "b"))
			{
				InstallUILevel = INSTALLUILEVEL_BASIC;
			}
			else if(!lstrcmpiA(argv[i]+2, "r"))
			{
				InstallUILevel = INSTALLUILEVEL_REDUCED;
			}
			else if(!lstrcmpiA(argv[i]+2, "f"))
			{
				InstallUILevel = INSTALLUILEVEL_FULL|INSTALLUILEVEL_ENDDIALOG;
			}
			else if(!lstrcmpiA(argv[i]+2, "n+"))
			{
				InstallUILevel = INSTALLUILEVEL_NONE|INSTALLUILEVEL_ENDDIALOG;
			}
			else if(!lstrcmpiA(argv[i]+2, "b+"))
			{
				InstallUILevel = INSTALLUILEVEL_BASIC|INSTALLUILEVEL_ENDDIALOG;
			}
			else if(!lstrcmpiA(argv[i]+2, "b-"))
			{
				InstallUILevel = INSTALLUILEVEL_BASIC|INSTALLUILEVEL_PROGRESSONLY;
			}
			else if(!lstrcmpiA(argv[i]+2, "b+!"))
			{
				InstallUILevel = INSTALLUILEVEL_BASIC|INSTALLUILEVEL_ENDDIALOG;
				WINE_FIXME("Unknown modifier: !\n");
			}
			else
			{
				fprintf(stderr, "Unknown option \"%s\" for UI level\n", argv[i]+2);
			}
			retInstallUILevel = MsiSetInternalUI(InstallUILevel, NULL);
			if(retInstallUILevel == INSTALLUILEVEL_NOCHANGE)
			{
				fprintf(stderr, "Setting the UI level to 0x%x failed.\n", InstallUILevel);
				ExitProcess(1);
			}
		}
		else if(!lstrcmpiA(argv[i], "/y"))
		{
			FunctionDllRegisterServer = TRUE;
			i++;
			if(i >= argc)
				ShowUsage(1);
			WINE_TRACE("argv[%d] = %s\n", i, argv[i]);
			DllName = argv[i];
		}
		else if(!lstrcmpiA(argv[i], "/z"))
		{
			FunctionDllUnregisterServer = TRUE;
			i++;
			if(i >= argc)
				ShowUsage(1);
			WINE_TRACE("argv[%d] = %s\n", i, argv[i]);
			DllName = argv[i];
		}
		else if(!lstrcmpiA(argv[i], "/h") || !lstrcmpiA(argv[i], "/?"))
		{
			ShowUsage(0);
		}
		else if(!lstrcmpiA(argv[i], "/m"))
		{
			FunctionUnknown = TRUE;
			WINE_FIXME("Unknown parameter /m\n");
		}
		else if(!lstrcmpiA(argv[i], "/D"))
		{
			FunctionUnknown = TRUE;
			WINE_FIXME("Unknown parameter /D\n");
		}
		else if(strchr(argv[i], '='))
		{
			StringListAppend(&property_list, argv[i]);
			StringListAppend(&property_list, " ");
		}
		else
		{
			FunctionInstall = TRUE;
			GotProductCode = GetProductCode(argv[i], &PackageName, &ProductCode);
		}
	}

	Properties = build_properties( property_list );
	Transforms = build_transforms( transform_list );

	if(FunctionInstallAdmin && FunctionPatch)
		FunctionInstall = FALSE;

	ReturnCode = 1;
	if(FunctionInstall)
	{
		if(GotProductCode)
			WINE_FIXME("Product code treatment not implemented yet\n");
		else
			ReturnCode = MsiInstallProductA(PackageName, Properties);
	}
	else if(FunctionRepair)
	{
		if(GotProductCode)
			WINE_FIXME("Product code treatment not implemented yet\n");
		else
			ReturnCode = MsiReinstallProductA(PackageName, RepairMode);
	}
	else if(FunctionAdvertise)
	{
		ReturnCode = MsiAdvertiseProductA(PackageName, (LPSTR) AdvertiseMode, Transforms, Language);
	}
	else if(FunctionPatch)
	{
		ReturnCode = MsiApplyPatchA(PatchFileName, PackageName, InstallType, Properties);
	}
	else if(FunctionDllRegisterServer)
	{
		ReturnCode = DllRegisterServer(DllName);
	}
	else if(FunctionDllUnregisterServer)
	{
		ReturnCode = DllUnregisterServer(DllName);
	}
	else if (FunctionRegServer)
	{
		WINE_FIXME( "/regserver not implemented yet, ignoring\n" );
	}
	else if (FunctionUnregServer)
	{
		WINE_FIXME( "/unregserver not implemented yet, ignoring\n" );
	}
	else if (FunctionUnknown)
	{
		WINE_FIXME( "Unknown function, ignoring\n" );
	}
	else
		ShowUsage(1);

	return ReturnCode;
}