AOO410/main/sal/systools/win32/uwinapi/GetUserDomain_WINDOWS.cpp

/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
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{
	HKEY	hkeyLogon;
	HKEY	hkeyWorkgroup;
	DWORD	dwResult = 0;


	if ( ERROR_SUCCESS  == RegOpenKeyEx( 
		HKEY_LOCAL_MACHINE, 
		TEXT("Network\\Logon"), 
		0, KEY_READ, &hkeyLogon ) ) 
	{
		DWORD	dwLogon = 0;
		DWORD	dwLogonSize = sizeof(dwLogon);
		RegQueryValueEx( hkeyLogon, TEXT("LMLogon"), 0, NULL, (LPBYTE)&dwLogon, &dwLogonSize );
		RegCloseKey( hkeyLogon );

		if ( dwLogon )
		{
			HKEY	hkeyNetworkProvider;

			if ( ERROR_SUCCESS  == RegOpenKeyEx( 
				HKEY_LOCAL_MACHINE, 
				TEXT("SYSTEM\\CurrentControlSet\\Services\\MSNP32\\NetworkProvider"), 
				0, KEY_READ, &hkeyNetworkProvider ) )
			{
				DWORD	dwBufferSize = nSize;
				LONG	lResult = RegQueryValueEx( hkeyNetworkProvider, TEXT("AuthenticatingAgent"), 0, NULL, (LPBYTE)lpBuffer, &dwBufferSize );

				if ( ERROR_SUCCESS == lResult || ERROR_MORE_DATA == lResult )
					dwResult = dwBufferSize / sizeof(TCHAR);

				RegCloseKey( hkeyNetworkProvider );
			}
		}
	}
	else if ( ERROR_SUCCESS == RegOpenKeyEx(
		HKEY_LOCAL_MACHINE,
		TEXT("SYSTEM\\CurrentControlSet\\Services\\VxD\\VNETSUP"),
		0, KEY_READ, &hkeyWorkgroup ) )
	{
		DWORD	dwBufferSize = nSize;
		LONG	lResult = RegQueryValueEx( hkeyWorkgroup, TEXT("Workgroup"), 0, NULL, (LPBYTE)lpBuffer, &dwBufferSize );

		if ( ERROR_SUCCESS == lResult || ERROR_MORE_DATA == lResult )
			dwResult = dwBufferSize / sizeof(TCHAR);

		RegCloseKey( hkeyWorkgroup );
	}


	return dwResult;
}