control.c

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/*
 * PROJECT:     ReactOS Services
 * LICENSE:     GPL - See COPYING in the top level directory
 * FILE:        base/applications/sc/control.c
 * PURPOSE:     Stops, pauses and resumes a service
 * COPYRIGHT:   Copyright 2005 - 2006 Ged Murphy <gedmurphy@gmail.com>
 *
 */
 
#include "sc.h"
 
BOOL
Control(DWORD Control,
        LPCTSTR ServiceName,
        LPCTSTR *Args,
        INT ArgCount)
{
    SC_HANDLE hSCManager = NULL;
    SC_HANDLE hService = NULL;
    SERVICE_STATUS Status;
    DWORD dwDesiredAccess = 0;
    BOOL bResult = TRUE;
    SERVICE_STATUS_PROCESS StatusEx;
 
#ifdef SCDBG
    LPCTSTR *TmpArgs = Args;
    INT TmpCnt = ArgCount;
    _tprintf(_T("service to control - %s\n"), ServiceName);
    _tprintf(_T("command - %lu\n"), Control);
    _tprintf(_T("Arguments:\n"));
    while (TmpCnt)
    {
        _tprintf(_T("  %s\n"), *TmpArgs);
        TmpArgs++;
        TmpCnt--;
    }
    _tprintf(_T("\n"));
#endif /* SCDBG */
 
    switch (Control)
    {
        case SERVICE_CONTROL_STOP:
            dwDesiredAccess = SERVICE_STOP;
            break;
 
        case SERVICE_CONTROL_PAUSE:
        case SERVICE_CONTROL_CONTINUE:
        case SERVICE_CONTROL_PARAMCHANGE:
        case SERVICE_CONTROL_NETBINDADD:
        case SERVICE_CONTROL_NETBINDREMOVE:
        case SERVICE_CONTROL_NETBINDENABLE:
        case SERVICE_CONTROL_NETBINDDISABLE:
            dwDesiredAccess = SERVICE_PAUSE_CONTINUE;
            break;
 
        case SERVICE_CONTROL_INTERROGATE:
            dwDesiredAccess = SERVICE_INTERROGATE;
            break;
 
        default:
            if (Control >= 128 && Control <= 255)
                dwDesiredAccess = SERVICE_USER_DEFINED_CONTROL;
            else
                dwDesiredAccess = 0;
            break;
    }
 
    hSCManager = OpenSCManager(NULL,
                               NULL,
                               SC_MANAGER_CONNECT);
    if (hSCManager == NULL)
    {
        _tprintf(_T("[SC] OpenSCManager FAILED %lu:\n\n"), GetLastError());
        bResult = FALSE;
        goto done;
    }
 
    hService = OpenService(hSCManager,
                           ServiceName,
                           dwDesiredAccess);
    if (hService == NULL)
    {
        _tprintf(_T("[SC] OpenService FAILED %lu:\n\n"), GetLastError());
        bResult = FALSE;
        goto done;
    }
 
    if (!ControlService(hService,
                        Control,
                        &Status))
    {
        _tprintf(_T("[SC] ControlService FAILED %lu:\n\n"), GetLastError());
        bResult = FALSE;
        goto done;
    }
 
    /* FIXME: lazy hack ;) */
    CopyMemory(&StatusEx, &Status, sizeof(Status));
    StatusEx.dwProcessId = 0;
    StatusEx.dwServiceFlags = 0;
 
    PrintService(ServiceName,
                 NULL,
                 &StatusEx,
                 FALSE);
 
done:
    if (!bResult)
        ReportLastError();
 
    if (hService)
        CloseServiceHandle(hService);
 
    if (hSCManager)
        CloseServiceHandle(hSCManager);
 
    return bResult;
}