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/* $Id$ */
/** @file
* VBoxGuestR3LibAutoLogon - Ring-3 utility functions for auto-logon modules
* (VBoxGINA / VBoxCredProv / pam_vbox).
*/
/*
* Copyright (C) 2012-2017 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#ifdef RT_OS_WINDOWS
# include <iprt/win/windows.h>
#endif
#include "VBoxGuestR3LibInternal.h"
#include <iprt/errcore.h>
/**
* Reports the current auto-logon status to the host.
*
* This makes sure that the Failed state is sticky.
*
* @return IPRT status code.
* @param enmStatus Status to report to the host.
*/
VBGLR3DECL(int) VbglR3AutoLogonReportStatus(VBoxGuestFacilityStatus enmStatus)
{
/*
* VBoxGuestFacilityStatus_Failed is sticky.
*/
static VBoxGuestFacilityStatus s_enmLastStatus = VBoxGuestFacilityStatus_Inactive;
if (s_enmLastStatus != VBoxGuestFacilityStatus_Failed)
{
int rc = VbglR3ReportAdditionsStatus(VBoxGuestFacilityType_AutoLogon, enmStatus, 0 /* Flags */);
if (rc == VERR_NOT_SUPPORTED)
{
/*
* To maintain backwards compatibility to older hosts which don't have
* VMMDevReportGuestStatus implemented we set the appropriate status via
* guest property to have at least something.
*/
#ifdef VBOX_WITH_GUEST_PROPS
HGCMCLIENTID idClient = 0;
rc = VbglR3GuestPropConnect(&idClient);
if (RT_SUCCESS(rc))
{
const char *pszStatus;
switch (enmStatus)
{
case VBoxGuestFacilityStatus_Inactive: pszStatus = "Inactive"; break;
case VBoxGuestFacilityStatus_Paused: pszStatus = "Disabled"; break;
case VBoxGuestFacilityStatus_PreInit: pszStatus = "PreInit"; break;
case VBoxGuestFacilityStatus_Init: pszStatus = "Init"; break;
case VBoxGuestFacilityStatus_Active: pszStatus = "Active"; break;
case VBoxGuestFacilityStatus_Terminating: pszStatus = "Terminating"; break;
case VBoxGuestFacilityStatus_Terminated: pszStatus = "Terminated"; break;
case VBoxGuestFacilityStatus_Failed: pszStatus = "Failed"; break;
default: pszStatus = NULL;
}
if (pszStatus)
{
/*
* Use TRANSRESET when possible, fall back to TRANSIENT
* (generally sufficient unless the guest misbehaves).
*/
static const char s_szPath[] = "/VirtualBox/GuestInfo/OS/AutoLogonStatus";
rc = VbglR3GuestPropWrite(idClient, s_szPath, pszStatus, "TRANSRESET");
if (rc == VERR_PARSE_ERROR)
rc = VbglR3GuestPropWrite(idClient, s_szPath, pszStatus, "TRANSIENT");
}
else
rc = VERR_INVALID_PARAMETER;
VbglR3GuestPropDisconnect(idClient);
}
#endif
}
s_enmLastStatus = enmStatus;
}
return VINF_SUCCESS;
}
/**
* Detects whether our process is running in a remote session or not.
*
* @return bool true if running in a remote session, false if not.
*/
VBGLR3DECL(bool) VbglR3AutoLogonIsRemoteSession(void)
{
#ifdef RT_OS_WINDOWS
return GetSystemMetrics(SM_REMOTESESSION) != 0 ? true : false;
#else
return false; /* Not implemented. */
#endif
}
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