summaryrefslogtreecommitdiffstats
path: root/src/VBox/Runtime/r3/win/RTUuidCreate-win.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/VBox/Runtime/r3/win/RTUuidCreate-win.cpp')
-rw-r--r--src/VBox/Runtime/r3/win/RTUuidCreate-win.cpp72
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;
+}
+