Index: /trunk/src/VBox/Runtime/r3/localipc.cpp
===================================================================
--- /trunk/src/VBox/Runtime/r3/localipc.cpp	(revision 64287)
+++ /trunk/src/VBox/Runtime/r3/localipc.cpp	(revision 64287)
@@ -0,0 +1,74 @@
+/** @file
+* IPRT - defines the function to create ipc pipe name.
+*/
+
+/*
+* Copyright (C) 2010-2016 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                                                                                                                 *
+*********************************************************************************************************************************/
+#include <iprt/localipc.h>
+
+#include <iprt/err.h>
+#include <iprt/string.h>
+#include <iprt/crc.h>
+
+/**
+* Make the IPC pipe name unique for user
+* in a form like 'VBoxTrayIPC-6a4500cb7c726949'
+*
+* @returns IPRT status code.
+* @retval  VINF_SUCCESS and *pcbDest if pipe name created successfully.
+* @retval  VERR_INVALID_PARAMETER in case of invalid parameter value.
+* @retval  VERR_BUFFER_OVERFLOW if the pszDest is too small.
+*
+* @param   pszPrefix        Pipe name prefix, for example 'VBoxTrayIPC-'
+* @param   pszUserName      User name
+* @param   pszDest          Destination buffer to store created pipe name
+* @param   pcbDest          IN  - size of destination buffer in bytes,
+*                           OUT - length of created pipe name in bytes without trailing zero
+*/
+RTDECL(int) RTLocalIpcMakeNameUniqueUser(const char* pszPrefix, const char* pszUserName, char* pszDest, size_t* pcbDest)
+{
+    AssertPtrReturn(pszPrefix, VERR_INVALID_PARAMETER);
+    AssertPtrReturn(pszUserName, VERR_INVALID_PARAMETER);
+    AssertPtrReturn(pcbDest, VERR_INVALID_PARAMETER);
+    AssertReturn(*pcbDest, VERR_INVALID_PARAMETER);
+    AssertPtrReturn(pszDest, VERR_INVALID_PARAMETER);
+
+    const size_t cbPrefixSize = RTStrNLen(pszPrefix, RTSTR_MAX);
+    AssertReturn(*pcbDest > cbPrefixSize + 17, VERR_BUFFER_OVERFLOW);
+
+    const size_t cbSourceSize = RTStrNLen(pszUserName, RTSTR_MAX);
+    AssertReturn(cbSourceSize, VERR_INVALID_PARAMETER);
+
+    /* Use the crc of user name instead of user name to avoid localized pipe problem */
+    uint64_t uiCrc = RTCrc64(pszUserName, cbSourceSize);
+    AssertReturn(uiCrc > 0, VERR_INVALID_PARAMETER);
+
+    RT_BZERO(pszDest, *pcbDest);
+    size_t cbRes = RTStrPrintf(pszDest, *pcbDest, "%s%016RX64", pszPrefix, uiCrc);
+    AssertReturn(cbRes, VERR_BUFFER_OVERFLOW);
+
+    *pcbDest = cbRes;
+    return VINF_SUCCESS;
+}