depend.c File Reference

#include "sc.h"

Include dependency graph for depend.c:

Go to the source code of this file.

Functions
BOOL	EnumDepend (LPCTSTR ServiceName)

Function Documentation

EnumDepend()

BOOL EnumDepend

(

LPCTSTR

ServiceName

)

Definition at line 12 of file depend.c.

{
    SC_HANDLE hManager = NULL;
    SC_HANDLE hService = NULL;
    BOOL bResult = TRUE;
    DWORD BufferSize = 0;
    DWORD EntriesRead = 0;
    LPENUM_SERVICE_STATUS pBuffer = NULL;
    DWORD i;
 
    hManager = OpenSCManager(NULL,
                             NULL,
                             SC_MANAGER_CONNECT);
    if (hManager == NULL)
    {
        _tprintf(_T("[SC] OpenSCManager FAILED %lu:\n\n"), GetLastError());
        bResult = FALSE;
        goto done;
    }
 
    hService = OpenService(hManager, ServiceName, SERVICE_ENUMERATE_DEPENDENTS);
    if (hService == NULL)
    {
        _tprintf(_T("[SC] OpenService FAILED %lu:\n\n"), GetLastError());
        bResult = FALSE;
        goto done;
    }
 
    if (!EnumDependentServices(hService,
                               SERVICE_STATE_ALL,
                               NULL,
                               0,
                               &BufferSize,
                               &EntriesRead))
    {
        if (BufferSize == 0)
        {
            _tprintf(_T("[SC] EnumDependentServices FAILED %lu:\n\n"), GetLastError());
            bResult = FALSE;
            goto done;
        }
    }
 
    pBuffer = HeapAlloc(GetProcessHeap(), 0, BufferSize);
    if (pBuffer == NULL)
    {
        SetLastError(ERROR_OUTOFMEMORY);
        _tprintf(_T("[SC] HeapAlloc FAILED %lu:\n\n"), GetLastError());
        bResult = FALSE;
        goto done;
    }
 
    if (!EnumDependentServices(hService,
                               SERVICE_STATE_ALL,
                               pBuffer,
                               BufferSize,
                               &BufferSize,
                               &EntriesRead))
    {
        _tprintf(_T("[SC] EnumDependentServices FAILED %lu:\n\n"), GetLastError());
        bResult = FALSE;
        goto done;
    }
 
    _tprintf(_T("Enum: entriesRead = %lu\n"), EntriesRead);
 
    for (i = 0; i < EntriesRead; i++)
    {
        _tprintf(_T("\n"));
        _tprintf(_T("SERVICE_NAME: %s\n"), pBuffer[i].lpServiceName);
        _tprintf(_T("DISPLAY_NAME: %s\n"), pBuffer[i].lpDisplayName);
        PrintServiceStatus(&pBuffer[i].ServiceStatus);
    }
 
done:
    if (bResult == FALSE)
        ReportLastError();
 
    if (pBuffer != NULL)
        HeapFree(GetProcessHeap(), 0, pBuffer);
 
    if (hService)
        CloseServiceHandle(hService);
 
    if (hManager)
        CloseServiceHandle(hManager);
 
    return bResult;
}

Referenced by ScControl().