Sweden-Number/dlls/wbemprox/process.c

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/*
* Win32_Process methods implementation
*
* Copyright 2013 Hans Leidekker for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define COBJMACROS
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wbemcli.h"
#include "wine/debug.h"
#include "wbemprox_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(wbemprox);
static HRESULT get_owner( VARIANT *user, VARIANT *domain, VARIANT *retval )
{
DWORD len;
UINT error = 8;
len = 0;
GetUserNameW( NULL, &len );
if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) goto done;
if (!(V_BSTR( user ) = SysAllocStringLen( NULL, len - 1 ))) goto done;
if (!GetUserNameW( V_BSTR( user ), &len )) goto done;
V_VT( user ) = VT_BSTR;
len = 0;
GetComputerNameW( NULL, &len );
if (GetLastError() != ERROR_BUFFER_OVERFLOW) goto done;
if (!(V_BSTR( domain ) = SysAllocStringLen( NULL, len - 1 ))) goto done;
if (!GetComputerNameW( V_BSTR( domain ), &len )) goto done;
V_VT( domain ) = VT_BSTR;
error = 0;
done:
if (error)
{
VariantClear( user );
VariantClear( domain );
}
set_variant( VT_UI4, error, NULL, retval );
return S_OK;
}
HRESULT process_get_owner( IWbemClassObject *obj, IWbemClassObject *in, IWbemClassObject **out )
{
VARIANT user, domain, retval;
IWbemClassObject *sig, *out_params = NULL;
HRESULT hr;
TRACE("%p, %p, %p\n", obj, in, out);
hr = create_signature( L"Win32_Process", L"GetOwner", PARAM_OUT, &sig );
if (hr != S_OK) return hr;
if (out)
{
hr = IWbemClassObject_SpawnInstance( sig, 0, &out_params );
if (hr != S_OK)
{
IWbemClassObject_Release( sig );
return hr;
}
}
VariantInit( &user );
VariantInit( &domain );
hr = get_owner( &user, &domain, &retval );
if (hr != S_OK) goto done;
if (out_params)
{
if (!V_UI4( &retval ))
{
hr = IWbemClassObject_Put( out_params, L"User", 0, &user, CIM_STRING );
if (hr != S_OK) goto done;
hr = IWbemClassObject_Put( out_params, L"Domain", 0, &domain, CIM_STRING );
if (hr != S_OK) goto done;
}
hr = IWbemClassObject_Put( out_params, L"ReturnValue", 0, &retval, CIM_UINT32 );
}
done:
VariantClear( &user );
VariantClear( &domain );
IWbemClassObject_Release( sig );
if (hr == S_OK && out)
{
*out = out_params;
IWbemClassObject_AddRef( out_params );
}
if (out_params) IWbemClassObject_Release( out_params );
return hr;
}