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Diffstat (limited to 'src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR3LibAutoLogon.cpp')
| -rw-r--r-- | src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR3LibAutoLogon.cpp | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR3LibAutoLogon.cpp b/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR3LibAutoLogon.cpp new file mode 100644 index 00000000..f40b2947 --- /dev/null +++ b/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR3LibAutoLogon.cpp @@ -0,0 +1,130 @@ +/* $Id: VBoxGuestR3LibAutoLogon.cpp $ */ +/** @file + * VBoxGuestR3LibAutoLogon - Ring-3 utility functions for auto-logon modules + * (VBoxGINA / VBoxCredProv / pam_vbox). + */ + +/* + * Copyright (C) 2012-2022 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program 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 + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included + * in the VirtualBox 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. + * + * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 + */ + + +/********************************************************************************************************************************* +* 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 +} + |