reactos/base/applications/sc/description.c

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/*
* PROJECT: ReactOS Services
* LICENSE: GPL - See COPYING in the top level directory
* FILE: base/applications/sc/description.c
* PURPOSE: Query/Set the service description
* COPYRIGHT: Copyright 2016 Eric Kohl
*
*/
#include "sc.h"
BOOL QueryDescription(LPCTSTR ServiceName)
{
SC_HANDLE hManager = NULL;
SC_HANDLE hService = NULL;
BOOL bResult = TRUE;
DWORD cbBytesNeeded = 0;
LPSERVICE_DESCRIPTION pServiceDescription = NULL;
#ifdef SCDBG
_tprintf(_T("service to show description - %s\n\n"), ServiceName);
#endif
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_QUERY_CONFIG);
if (hService == NULL)
{
_tprintf(_T("[SC] OpenService FAILED %lu:\n\n"), GetLastError());
bResult = FALSE;
goto done;
}
if (!QueryServiceConfig2(hService,
SERVICE_CONFIG_DESCRIPTION,
NULL,
0,
&cbBytesNeeded))
{
if (cbBytesNeeded == 0)
{
_tprintf(_T("[SC] QueryServiceConfig2 FAILED %lu:\n\n"), GetLastError());
bResult = FALSE;
goto done;
}
}
pServiceDescription = HeapAlloc(GetProcessHeap(), 0, cbBytesNeeded);
if (pServiceDescription == NULL)
{
SetLastError(ERROR_OUTOFMEMORY);
_tprintf(_T("[SC] HeapAlloc FAILED %lu:\n\n"), GetLastError());
bResult = FALSE;
goto done;
}
if (!QueryServiceConfig2(hService,
SERVICE_CONFIG_DESCRIPTION,
(LPBYTE)pServiceDescription,
cbBytesNeeded,
&cbBytesNeeded))
{
_tprintf(_T("[SC] QueryServiceConfig2 FAILED %lu:\n\n"), GetLastError());
bResult = FALSE;
goto done;
}
_tprintf(_T("[SC] QueryServiceConfig2 SUCCESS\n\n"));
_tprintf(_T("SERVICE_NAME: %s\n"), ServiceName);
_tprintf(_T(" DESCRIPTION : %s\n"),
(pServiceDescription->lpDescription) ? pServiceDescription->lpDescription : _T(""));
done:
if (bResult == FALSE)
ReportLastError();
if (pServiceDescription != NULL)
HeapFree(GetProcessHeap(), 0, pServiceDescription);
if (hService)
CloseServiceHandle(hService);
if (hManager)
CloseServiceHandle(hManager);
return bResult;
}
BOOL SetDescription(LPCTSTR ServiceName, LPCTSTR Description)
{
SC_HANDLE hManager = NULL;
SC_HANDLE hService = NULL;
BOOL bResult = TRUE;
SERVICE_DESCRIPTION ServiceDescription;
#ifdef SCDBG
_tprintf(_T("service to set description - %s\n\n"), ServiceName);
#endif
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_CHANGE_CONFIG);
if (hService == NULL)
{
_tprintf(_T("[SC] OpenService FAILED %lu:\n\n"), GetLastError());
bResult = FALSE;
goto done;
}
ServiceDescription.lpDescription = (LPTSTR)Description;
if (!ChangeServiceConfig2(hService,
SERVICE_CONFIG_DESCRIPTION,
(LPBYTE)&ServiceDescription))
{
_tprintf(_T("[SC] ChangeServiceConfig2 FAILED %lu:\n\n"), GetLastError());
bResult = FALSE;
goto done;
}
_tprintf(_T("[SC] ChangeServiceConfig2 SUCCESS\n\n"));
done:
if (bResult == FALSE)
ReportLastError();
if (hService)
CloseServiceHandle(hService);
if (hManager)
CloseServiceHandle(hManager);
return bResult;
}