164 lines
3.4 KiB
C
164 lines
3.4 KiB
C
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/*++
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Copyright (C) Microsoft Corporation, 1991 - 1999
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Module Name:
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startsvc.c
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Abstract:
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This routine implements on-demand starting of the RpcSs service.
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Author:
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Bharat Shah (barats) 4-5-92
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Revision History:
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--*/
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#include <sysinc.h>
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#include <rpc.h>
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#include <winsvc.h>
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#include <startsvc.h>
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#define SUCCESS 0
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const RPC_CHAR *pRPCEPMPR = RPC_CONST_STRING("RPCSS");
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RPC_STATUS RPC_ENTRY
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StartServiceIfNecessary(
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void
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)
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/*++
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Routine Description:
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If the rpcss service has not yet been started, then we attempt to
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start it.
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Returns:
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RPC_S_OK - The rpcss service is running.
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Service controller errors.
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--*/
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{
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SC_HANDLE hServiceController = NULL;
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SC_HANDLE hService = NULL;
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SERVICE_STATUS ServiceStatus;
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DWORD status;
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DWORD Counter = 0L;
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BOOL FirstTime = TRUE;
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unsigned long ArgC = 0;
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RPC_CHAR PAPI * ArgV[1] = { NULL };
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//
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// Get a handle to the service controller.
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//
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hServiceController = OpenSCManager(
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NULL,
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NULL,
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GENERIC_READ);
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if (hServiceController == NULL)
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{
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status = GetLastError();
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return(status);
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}
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//
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// Get a handle to the service
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//
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hService = OpenService(
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hServiceController,
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pRPCEPMPR,
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GENERIC_READ|SERVICE_START);
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if (hService == NULL)
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{
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status = GetLastError();
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goto CleanExit;
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}
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//
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// Call StartService
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//
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/*
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if (!StartService(hService,ArgC,ArgV))
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{
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status = GetLastError();
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if (status == ERROR_SERVICE_ALREADY_RUNNING)
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status = RPC_S_OK;
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goto CleanExit;
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}
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*/
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do
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{
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if (!QueryServiceStatus(hService,&ServiceStatus))
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{
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status = GetLastError();
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goto CleanExit;
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}
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switch(ServiceStatus.dwCurrentState)
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{
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case SERVICE_RUNNING:
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status = SUCCESS;
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goto CleanExit;
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break;
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case SERVICE_STOP_PENDING:
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case SERVICE_START_PENDING:
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if (!FirstTime && (Counter == ServiceStatus.dwCheckPoint))
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{
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status = ERROR_SERVICE_REQUEST_TIMEOUT;
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goto CleanExit;
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}
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else
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{
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FirstTime = FALSE;
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Counter = ServiceStatus.dwCheckPoint;
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Sleep(ServiceStatus.dwWaitHint);
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}
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break;
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case SERVICE_STOPPED:
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if (!StartService(hService, ArgC, ArgV))
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{
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status = GetLastError();
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if (status == ERROR_SERVICE_ALREADY_RUNNING)
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status = RPC_S_OK;
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goto CleanExit;
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}
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Sleep(500);
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break;
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default:
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status = GetLastError();
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goto CleanExit;
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break;
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}
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}
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while (TRUE);
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CleanExit:
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if(hServiceController != NULL) {
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(VOID) CloseServiceHandle(hServiceController);
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}
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if(hService != NULL) {
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(VOID) CloseServiceHandle(hService);
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}
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return(status);
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}
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