diff options
Diffstat (limited to 'src/VBox/Runtime/r3/win/RTUuidCreate-win.cpp')
-rw-r--r-- | src/VBox/Runtime/r3/win/RTUuidCreate-win.cpp | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r3/win/RTUuidCreate-win.cpp b/src/VBox/Runtime/r3/win/RTUuidCreate-win.cpp new file mode 100644 index 00000000..0dbb7429 --- /dev/null +++ b/src/VBox/Runtime/r3/win/RTUuidCreate-win.cpp @@ -0,0 +1,72 @@ +/* $Id: RTUuidCreate-win.cpp $ */ +/** @file + * IPRT - UUID, Windows RTUuidCreate implementation. + */ + +/* + * Copyright (C) 2006-2019 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 * +*********************************************************************************************************************************/ +#define LOG_GROUP RTLOGGROUP_UUID +#include <iprt/win/windows.h> + +#include <iprt/uuid.h> +#include <iprt/assert.h> +#include <iprt/errcore.h> +#include <iprt/rand.h> + +#include "internal-r3-win.h" + + +RTDECL(int) RTUuidCreate(PRTUUID pUuid) +{ + /* + * Input validation. + */ + AssertPtrReturn(pUuid, VERR_INVALID_POINTER); + + /* + * When using the UuidCreate API shortly after boot on NT 3.1 it typcially + * hangs for a long long time while polling for some service to start. + * What then usually happens next is a failure because it couldn't figure + * out the MAC address of the NIC. So, on NT 3.1 we always use the fallback. + */ + if (g_enmWinVer != kRTWinOSType_NT310) + { + RPC_STATUS rc = UuidCreate((UUID *)pUuid); + if ( rc == RPC_S_OK + || rc == RPC_S_UUID_LOCAL_ONLY) + return VINF_SUCCESS; + AssertMsg(rc == RPC_S_UUID_NO_ADDRESS, ("UuidCreate -> %u (%#x)\n", rc, rc)); + } + + /* + * Use generic implementation as fallback (copy of RTUuidCreate-generic.cpp). + */ + RTRandBytes(pUuid, sizeof(*pUuid)); + pUuid->Gen.u8ClockSeqHiAndReserved = (pUuid->Gen.u8ClockSeqHiAndReserved & 0x3f) | 0x80; + pUuid->Gen.u16TimeHiAndVersion = (pUuid->Gen.u16TimeHiAndVersion & 0x0fff) | 0x4000; + return VINF_SUCCESS; +} + |