sctrl.c

这是一个开放源代码的与WINNT/WIN2K/WIN2003兼容的操作系统

                           1024,
                           &Count,
                           NULL);
        if (bResult == FALSE)
        {
            DPRINT1("Pipe read failed (Error: %lu)\n", GetLastError());
            return FALSE;
        }

        /* Execute command */
        switch (ControlPacket->dwControl)
        {
            case SERVICE_CONTROL_START:
                DPRINT("Start command\n");
                if (ScStartService(ControlPacket) == ERROR_SUCCESS)
                    dwRunningServices++;
                break;

            case SERVICE_CONTROL_STOP:
                DPRINT("Stop command\n");
                dwRunningServices--;
                break;

            default:
                DPRINT1("Unknown command %lu", ControlPacket->dwControl);
                break;
        }

        if (dwRunningServices == 0)
            break;
    }

    HeapFree(GetProcessHeap(),
             0,
             ControlPacket);

    return TRUE;
}


/**********************************************************************
 *	RegisterServiceCtrlHandlerA
 *
 * @implemented
 */
SERVICE_STATUS_HANDLE STDCALL
RegisterServiceCtrlHandlerA(LPCSTR lpServiceName,
                            LPHANDLER_FUNCTION lpHandlerProc)
{
    ANSI_STRING ServiceNameA;
    UNICODE_STRING ServiceNameU;
    SERVICE_STATUS_HANDLE SHandle;

    RtlInitAnsiString(&ServiceNameA, (LPSTR)lpServiceName);
    if (!NT_SUCCESS(RtlAnsiStringToUnicodeString(&ServiceNameU, &ServiceNameA, TRUE)))
    {
        SetLastError(ERROR_OUTOFMEMORY);
        return (SERVICE_STATUS_HANDLE)0;
    }

    SHandle = RegisterServiceCtrlHandlerW(ServiceNameU.Buffer,
                                          lpHandlerProc);

    RtlFreeUnicodeString(&ServiceNameU);

    return SHandle;
}


/**********************************************************************
 *	RegisterServiceCtrlHandlerW
 *
 * @implemented
 */
SERVICE_STATUS_HANDLE STDCALL
RegisterServiceCtrlHandlerW(LPCWSTR lpServiceName,
                            LPHANDLER_FUNCTION lpHandlerProc)
{
    PACTIVE_SERVICE Service;

    Service = ScLookupServiceByServiceName((LPWSTR)lpServiceName);
    if (Service == NULL)
    {
        return (SERVICE_STATUS_HANDLE)NULL;
    }

    Service->HandlerFunction = lpHandlerProc;
    Service->HandlerFunctionEx = NULL;

    return (SERVICE_STATUS_HANDLE)Service->ThreadId;
}


/**********************************************************************
 *	RegisterServiceCtrlHandlerExA
 *
 * @implemented
 */
SERVICE_STATUS_HANDLE STDCALL
RegisterServiceCtrlHandlerExA(LPCSTR lpServiceName,
                              LPHANDLER_FUNCTION_EX lpHandlerProc,
                              LPVOID lpContext)
{
    ANSI_STRING ServiceNameA;
    UNICODE_STRING ServiceNameU;
    SERVICE_STATUS_HANDLE SHandle;

    RtlInitAnsiString(&ServiceNameA, (LPSTR)lpServiceName);
    if (!NT_SUCCESS(RtlAnsiStringToUnicodeString(&ServiceNameU, &ServiceNameA, TRUE)))
    {
        SetLastError(ERROR_OUTOFMEMORY);
        return (SERVICE_STATUS_HANDLE)0;
    }

    SHandle = RegisterServiceCtrlHandlerExW(ServiceNameU.Buffer,
                                            lpHandlerProc,
                                            lpContext);

    RtlFreeUnicodeString(&ServiceNameU);

    return SHandle;
}


/**********************************************************************
 *	RegisterServiceCtrlHandlerExW
 *
 * @implemented
 */
SERVICE_STATUS_HANDLE STDCALL
RegisterServiceCtrlHandlerExW(LPCWSTR lpServiceName,
                              LPHANDLER_FUNCTION_EX lpHandlerProc,
                              LPVOID lpContext)
{
    PACTIVE_SERVICE Service;

    Service = ScLookupServiceByServiceName(lpServiceName);
    if (Service == NULL)
    {
        return (SERVICE_STATUS_HANDLE)NULL;
    }

    Service->HandlerFunction = NULL;
    Service->HandlerFunctionEx = lpHandlerProc;
    Service->HandlerContext = lpContext;

    return (SERVICE_STATUS_HANDLE)Service->ThreadId;
}


/**********************************************************************
 *	SetServiceBits
 *
 * @unimplemented
 */
BOOL STDCALL
SetServiceBits(SERVICE_STATUS_HANDLE hServiceStatus,
               DWORD dwServiceBits,
               BOOL bSetBitsOn,
               BOOL bUpdateImmediately)
{
    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
    return FALSE;
}


/**********************************************************************
 *	StartServiceCtrlDispatcherA
 *
 * @unimplemented
 */
BOOL STDCALL
StartServiceCtrlDispatcherA(LPSERVICE_TABLE_ENTRYA lpServiceStartTable)
{
    ULONG i;
    HANDLE hPipe;
    DWORD dwError;
    PUCHAR lpMessageBuffer;

    DPRINT("StartServiceCtrlDispatcherA() called\n");

    i = 0;
    while (lpServiceStartTable[i].lpServiceProc != NULL)
    {
        i++;
    }

    dwActiveServiceCount = i;
    lpActiveServices = RtlAllocateHeap(RtlGetProcessHeap(),
                                       HEAP_ZERO_MEMORY,
                                       dwActiveServiceCount * sizeof(ACTIVE_SERVICE));
    if (lpActiveServices == NULL)
    {
        return FALSE;
    }

    /* Copy service names and start procedure */
    for (i = 0; i < dwActiveServiceCount; i++)
    {
        RtlCreateUnicodeStringFromAsciiz(&lpActiveServices[i].ServiceName,
                                         lpServiceStartTable[i].lpServiceName);
        lpActiveServices[i].Main.lpFuncA = lpServiceStartTable[i].lpServiceProc;
        lpActiveServices[i].bUnicode = FALSE;
    }

    dwError = ScConnectControlPipe(&hPipe);
    if (dwError != ERROR_SUCCESS)
    {
        /* Free the service table */
        RtlFreeHeap(RtlGetProcessHeap(), 0, lpActiveServices);
        lpActiveServices = NULL;
        dwActiveServiceCount = 0;
        return FALSE;
    }

    lpMessageBuffer = RtlAllocateHeap(RtlGetProcessHeap(),
                                      HEAP_ZERO_MEMORY,
                                      256);
    if (lpMessageBuffer == NULL)
    {
        /* Free the service table */
        RtlFreeHeap(RtlGetProcessHeap(), 0, lpActiveServices);
        lpActiveServices = NULL;
        dwActiveServiceCount = 0;
        CloseHandle(hPipe);
        return FALSE;
    }

    ScServiceDispatcher(hPipe, lpMessageBuffer, 256);
    CloseHandle(hPipe);

    /* Free the message buffer */
    RtlFreeHeap(RtlGetProcessHeap(), 0, lpMessageBuffer);

    /* Free the service table */
    RtlFreeHeap(RtlGetProcessHeap(), 0, lpActiveServices);
    lpActiveServices = NULL;
    dwActiveServiceCount = 0;

    return TRUE;
}


/**********************************************************************
 *	StartServiceCtrlDispatcherW
 *
 * @unimplemented
 */
BOOL STDCALL
StartServiceCtrlDispatcherW(LPSERVICE_TABLE_ENTRYW lpServiceStartTable)
{
    ULONG i;
    HANDLE hPipe;
    DWORD dwError;
    PUCHAR lpMessageBuffer;

    DPRINT("StartServiceCtrlDispatcherW() called\n");

    i = 0;
    while (lpServiceStartTable[i].lpServiceProc != NULL)
    {
        i++;
    }

    dwActiveServiceCount = i;
    lpActiveServices = RtlAllocateHeap(RtlGetProcessHeap(),
                                       HEAP_ZERO_MEMORY,
                                       dwActiveServiceCount * sizeof(ACTIVE_SERVICE));
    if (lpActiveServices == NULL)
    {
        return FALSE;
    }

    /* Copy service names and start procedure */
    for (i = 0; i < dwActiveServiceCount; i++)
    {
        RtlCreateUnicodeString(&lpActiveServices[i].ServiceName,
                               lpServiceStartTable[i].lpServiceName);
        lpActiveServices[i].Main.lpFuncW = lpServiceStartTable[i].lpServiceProc;
        lpActiveServices[i].bUnicode = TRUE;
    }

    dwError = ScConnectControlPipe(&hPipe);
    if (dwError != ERROR_SUCCESS)
    {
        /* Free the service table */
        RtlFreeHeap(RtlGetProcessHeap(), 0, lpActiveServices);
        lpActiveServices = NULL;
        dwActiveServiceCount = 0;
        return FALSE;
    }

    lpMessageBuffer = RtlAllocateHeap(RtlGetProcessHeap(),
                                      HEAP_ZERO_MEMORY,
                                      256);
    if (lpMessageBuffer == NULL)
    {
        /* Free the service table */
        RtlFreeHeap(RtlGetProcessHeap(), 0, lpActiveServices);
        lpActiveServices = NULL;
        dwActiveServiceCount = 0;
        CloseHandle(hPipe);
        return FALSE;
    }

    ScServiceDispatcher(hPipe, lpMessageBuffer, 256);
    CloseHandle(hPipe);

    /* Free the message buffer */
    RtlFreeHeap(RtlGetProcessHeap(), 0, lpMessageBuffer);

    /* Free the service table */
    RtlFreeHeap(RtlGetProcessHeap(), 0, lpActiveServices);
    lpActiveServices = NULL;
    dwActiveServiceCount = 0;

    return TRUE;
}

/* EOF */