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HP-JS PEPs 78 and 79 ([WMI Mapper] Changes to the Authentication Process and Local Connection Enhancements).

//%/////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2000, 2001, 2002 BMC Software, Hewlett-Packard Company, IBM,
// The Open Group, Tivoli Systems
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
// ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
// "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
// LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//==============================================================================
//
// Author: Mike Day (mdday@us.ibm.com)
//
// Modified By: Mary Hinton (m.hinton@verizon.net)
//              Sushma Fernandes (sushma_fernandes@hp.com)
//		Yi Zhou, Hewlett-Packard Company (yi_zhou@hp.com)
//
//%/////////////////////////////////////////////////////////////////////////////

#include <windows.h>
#include <process.h>    /* _beginthread, _endthread */
#include <tchar.h>
#include <direct.h>

PEGASUS_USING_PEGASUS;
PEGASUS_USING_STD;

static DWORD dieNow = 0;
String *runPath;
CIMServer *server_windows;
static SERVICE_STATUS pegasus_status;
static SERVICE_STATUS_HANDLE pegasus_status_handle;

VOID WINAPI  cimserver_windows_main(int argc, char **argv) ;
VOID WINAPI cimserver_service_start(DWORD, LPTSTR *);
VOID WINAPI cimserver_service_ctrl_handler(DWORD ); 
DWORD cimserver_initialization(DWORD, LPTSTR *, DWORD *) ;

void GetOptions(
    ConfigManager* cm,
    int& argc,
    char** argv,
    const String& pegasusHome);

void cim_server_service(int argc, char **argv ) { cimserver_windows_main(argc, argv); exit(0); }
int cimserver_fork( ) { return(0); }
int cimserver_kill( ) { return(0); }
Boolean isCIMServerRunning( ) { return(false); }

// notify parent process to terminate so user knows that cimserver 
// is ready to serve CIM requests. If this plateform needs to implement 
// this functionality, please see sample implementation in cimserver_unix.cpp
void notify_parent(void)
{
}

static void __cdecl cimserver_windows_thread(void *parm) 
{

	// Get options (from command line and from configuration file); this
	// removes corresponding options and their arguments fromt he command
	// line.

	String pegasusHome;

	// mdh: need to get the environment for the Windows Service to run 
	const char* tmp = getenv("PEGASUS_HOME");
	if (tmp)
	{
		pegasusHome = tmp;
	}

	ConfigManager::setPegasusHome(pegasusHome);
	
  	ConfigManager* configManager = ConfigManager::getInstance();
    int dummy = 0;
    //String pegasusHome;

	try
    {
		GetOptions(configManager, dummy, NULL, pegasusHome);
    }
    catch (Exception&)
    {
		exit(1);
    }

	//
    // Check the trace options and set global variable
    //
    Boolean pegasusIOTrace = false;

    if (String::equal(configManager->getCurrentValue("trace"), "true"))
    {
        pegasusIOTrace = true;
    }

	//
    // Check the log trace options and set global variable
    //
    Boolean pegasusIOLog = false;

    if (String::equal(configManager->getCurrentValue("logtrace"), "true"))
    {
        pegasusIOLog = true;
    }

	// The "SSL" property overrides the enableHttp*Connection properties and
    // enables only the HTTPS connection.
	Boolean enableHttpConnection = String::equal(
		configManager->getCurrentValue("enableHttpConnection"), "true");

	Boolean enableHttpsConnection = String::equal(
		configManager->getCurrentValue("enableHttpsConnection"), "true");

	if (!enableHttpConnection && !enableHttpsConnection)
    {
        Logger::put(Logger::STANDARD_LOG, "CIMServer", Logger::WARNING,
            "Neither HTTP nor HTTPS connection is enabled.  "
            "CIMServer will not be started.");
        cerr << "Neither HTTP nor HTTPS connection is enabled.  "
            "CIMServer will not be started." << endl;
        exit(1);
    }

    // Get the connection port configurations

    Uint32 portNumberHttps;
    Uint32 portNumberHttp;

    if (enableHttpsConnection)
    {
        String httpsPort = configManager->getCurrentValue("httpsPort");
        CString portString = httpsPort.getCString();
        char* end = 0;
        Uint32 port = strtol(portString, &end, 10);
        assert(end != 0 && *end == '\0');

        //
        // Look up the WBEM-HTTPS port number
        //
        portNumberHttps = System::lookupPort(WBEM_HTTPS_SERVICE_NAME, port);
    }

    if (enableHttpConnection)
    {
        String httpPort = configManager->getCurrentValue("httpPort");
        CString portString = httpPort.getCString();
        char* end = 0;
        Uint32 port = strtol(portString, &end, 10);
        assert(end != 0 && *end == '\0');

        //
        // Look up the WBEM-HTTP port number
        //
        portNumberHttp = System::lookupPort(WBEM_HTTP_SERVICE_NAME, port);
    }

    // Set up the Logger
    Logger::setHomeDirectory("./logs");

    // Put server start message to the logger
    Logger::put(Logger::STANDARD_LOG, "CIMServer", Logger::INFORMATION,
	"Start $0 %1 $2 ", 88, PEGASUS_NAME, PEGASUS_VERSION,
		(pegasusIOTrace ? " Tracing": " "));
    // ATTN: Should this really be: ?
    //Logger::put(Logger::STANDARD_LOG, "CIMServer", Logger::INFORMATION,
    //            "Started $0 version $1.", PEGASUS_NAME, PEGASUS_VERSION);

     // try loop to bind the address, and run the server
    try
    {
		Monitor monitor(true);
        
		CIMServer server(&monitor);
		server_windows = &server;

		if (enableHttpConnection)
		{
			server_windows->addAcceptor(false, portNumberHttp, false);
			Logger::put(Logger::STANDARD_LOG, "CIMServer", Logger::INFORMATION,
						"Listening on HTTP port $0.", portNumberHttp);
		}
		if (enableHttpsConnection)
		{
			server_windows->addAcceptor(false, portNumberHttps, true);
			Logger::put(Logger::STANDARD_LOG, "CIMServer", Logger::INFORMATION,
						"Listening on HTTPS port $0.", portNumberHttps);
		}

		server_windows->bind();

		while(!server_windows->terminated())
		{
			server_windows->runForever();
		}
    }
    catch(Exception& e)
    {
		PEGASUS_STD(cerr) << "Error: " << e.getMessage() << PEGASUS_STD(endl);
    }

    _endthreadex(NULL);
}


/////////////////////////////////////////////////////////////////
//  Windows NT Service Control Code 
/////////////////////////////////////////////////////////////////
VOID WINAPI  cimserver_windows_main(int argc, char **argv) 
{
	int ccode;
	SERVICE_TABLE_ENTRY dispatch_table[] = 
	{
		{"wmiserver", cimserver_service_start},
		{NULL, NULL}
	};

	/* let everyone know we are running (or trying to run) as an NT service */
	if(!(ccode =  StartServiceCtrlDispatcher(dispatch_table))) 
	{
		ccode = GetLastError();
		// Put server start message to the logger
		Logger::put(Logger::STANDARD_LOG, "CIMServer_Windows", Logger::INFORMATION,
			"Started as a Windows Service");
	}

	return;
}

/////////////////////////////////////////////////////////////////
//
// called by the NT service control manager to start the SLP service
//
/////////////////////////////////////////////////////////////////
VOID WINAPI cimserver_service_start(DWORD argc, LPTSTR *argv) 
{

	DWORD status;
	DWORD specificError;
	pegasus_status.dwServiceType = SERVICE_WIN32;
	pegasus_status.dwCurrentState = SERVICE_START_PENDING;
	pegasus_status.dwControlsAccepted 
		= SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN ;
	pegasus_status.dwWin32ExitCode = 0;
	pegasus_status.dwServiceSpecificExitCode = 0;
	pegasus_status.dwCheckPoint = 0;
	pegasus_status.dwWaitHint = 0;
	pegasus_status_handle = RegisterServiceCtrlHandler("wmiserver", cimserver_service_ctrl_handler);

	if(pegasus_status_handle == (SERVICE_STATUS_HANDLE)0)
	{
		Logger::put(Logger::STANDARD_LOG, "CIMServer_Windows", Logger::INFORMATION,
			"Error installing service handler");
		return;
	}

	// mdday -- I need to replace this hack with registry code

	// this is an ugly hack because we should really be getting this data 
	// out of the registry. We are essentially forcing pegasus to be run 
	// from its build tree. i.e.: 
	// PEGASUS_HOME = binary_exe_path minus  "\bin\cimserver.exe"

	// so if my build environment is in "c:\my-programs\pegasus\ 
	// I will install the service binary path as "c:\my-programs\pegasus\bin\cimserver.exe"
	// Therefore I will derive PEGASUS_HOME as "c:\my-programs\pegasus"
  
	// If I do something wierd and run pegasus from "c:\winnt" then this hack will break 
	// the service will think its running but the CIMServer object will never have been instantiated. 
 
	SC_HANDLE service_handle, sc_manager;
	if(NULL != (sc_manager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS))) 
	{
		if(NULL != (service_handle = OpenService(sc_manager, 
												 "wmiserver",
												 SERVICE_ALL_ACCESS)))

		{
			DWORD bytes_needed = 0;
			QUERY_SERVICE_CONFIG *svc_config = NULL;
	  
			QueryServiceConfig(service_handle, svc_config, sizeof(svc_config), &bytes_needed);
			if(bytes_needed > 0) 
			{
				if(NULL != ( svc_config = (QUERY_SERVICE_CONFIG *) malloc(bytes_needed))) 
				{
					if(TRUE == QueryServiceConfig(service_handle, svc_config, bytes_needed, &bytes_needed)) 
					{
						Uint32 position;
						runPath = new String(svc_config->lpBinaryPathName);
						if(PEG_NOT_FOUND != (position = runPath->reverseFind('\\'))) 
						{
							Uint32 len = runPath->size();
							runPath->remove(position, len - position);
							position = runPath->reverseFind('\\');
							len = runPath->size();
							runPath->remove(position, len - position);
						}
					}

					free(svc_config);
				}
			}

			CloseServiceHandle(service_handle);
		}

		CloseServiceHandle(sc_manager);
	}

	status = cimserver_initialization(argc, argv, &specificError);
	if(status < 0) 
    {
		pegasus_status.dwCurrentState = SERVICE_STOPPED;
		pegasus_status.dwCheckPoint = 0;
		pegasus_status.dwWaitHint = 0;
		pegasus_status.dwWin32ExitCode = status;
		pegasus_status.dwServiceSpecificExitCode = specificError;
		SetServiceStatus(pegasus_status_handle, &pegasus_status);
		Logger::put(Logger::STANDARD_LOG, "CIMServer_Windows", Logger::INFORMATION,
			"Error starting Cim Server");
		return;
	}

	pegasus_status.dwCurrentState = SERVICE_RUNNING;
	pegasus_status.dwCheckPoint = 0;
	pegasus_status.dwWaitHint = 0;

	if(!SetServiceStatus(pegasus_status_handle, &pegasus_status)) 
	{
		if(server_windows != NULL)
			server_windows->shutdown();
	}

	return;
}

/////////////////////////////////////////////////////////////////
//
/////////////////////////////////////////////////////////////////
VOID WINAPI cimserver_service_ctrl_handler(DWORD opcode) 
{
	switch(opcode) 
	{
		case SERVICE_CONTROL_STOP:
		case SERVICE_CONTROL_SHUTDOWN:
			if(server_windows != NULL)
				server_windows->shutdown();
			pegasus_status.dwCurrentState = SERVICE_STOPPED;
			pegasus_status.dwCheckPoint = 0;
			pegasus_status.dwWaitHint = 0;
			pegasus_status.dwWin32ExitCode = 0;
			SetServiceStatus(pegasus_status_handle, &pegasus_status);
			return;
			break;
		default:
			break;
	}
	
	SetServiceStatus(pegasus_status_handle, &pegasus_status);

	return;
}

/////////////////////////////////////////////////////////////////
//
/////////////////////////////////////////////////////////////////
DWORD cimserver_initialization(DWORD argc, LPTSTR *argv, DWORD *specificError) 
{
	return( _beginthread(cimserver_windows_thread, 0, NULL ));
}
 
/////////////////////////////////////////////////////////////////
//
/////////////////////////////////////////////////////////////////
Uint32 cimserver_install_nt_service(String &pegasusHome) 
{
	SC_HANDLE service_handle, sc_manager;
	Uint32 ccode = 0;
	
	pegasusHome.append("\\bin\\wmiserver.exe");

	CString pegHome = pegasusHome.getCString() ;
	LPCSTR path_name = (const char*) pegHome;
		
	if(NULL != (sc_manager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS))) 
    {
		if(NULL != (service_handle = CreateService(sc_manager, 
												   "wmiserver",
												   "Pegasus WMI Mapper",
												   SERVICE_ALL_ACCESS,
												   SERVICE_WIN32_OWN_PROCESS,
												   SERVICE_DEMAND_START,
												   SERVICE_ERROR_NORMAL, 
												   path_name,
												   NULL, 
												   NULL, 
												   NULL, 
												   NULL, 
												   NULL))) 
		{
			ccode = (Uint32)service_handle;
		}
		
		CloseServiceHandle(service_handle);
	}
  
	return(ccode);
}

/////////////////////////////////////////////////////////////////
//
/////////////////////////////////////////////////////////////////
Uint32 cimserver_remove_nt_service(void) 
{

	SC_HANDLE service_handle, sc_manager;
	int ccode = 0;

	if(NULL != (sc_manager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS))) 
	{
		if(NULL != (service_handle = OpenService(sc_manager, "wmiserver", DELETE))) 
		{
			DeleteService(service_handle);
			CloseServiceHandle(service_handle);
			ccode = 1;
		} 
		
		CloseServiceHandle(sc_manager);
	} 
	
	return(ccode);
}