38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync/* $Id$ */
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync/** @file
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync * IPRT Testcase - RTMemWipe* functions.
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync */
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync/*
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync * Copyright (C) 2012 Oracle Corporation
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync *
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync * available from http://www.virtualbox.org. This file is free software;
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync * you can redistribute it and/or modify it under the terms of the GNU
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync * General Public License (GPL) as published by the Free Software
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync *
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync * The contents of this file may alternatively be used under the terms
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync * of the Common Development and Distribution License Version 1.0
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync * VirtualBox OSE distribution, in which case the provisions of the
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync * CDDL are applicable instead of those of the GPL.
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync *
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync * You may elect to license modified versions of this file under the
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync * terms and conditions of either the GPL or the CDDL or both.
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync */
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync/*******************************************************************************
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync* Header Files *
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync*******************************************************************************/
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync#include <iprt/path.h>
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync#include <iprt/rand.h>
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync#include <iprt/string.h>
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync#include <iprt/stream.h>
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync#include <iprt/initterm.h>
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync#include <iprt/mem.h>
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync#include <iprt/test.h>
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync/*******************************************************************************
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync* Global Variables *
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync*******************************************************************************/
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsyncstatic void doMemWipeThoroughly(RTTEST hTest)
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync{
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync for (uint32_t p = 0; p < RTRandU32Ex(1, 64); p++)
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync {
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync size_t cbAlloc = RTRandS32Ex(1, _1M) * sizeof(uint8_t);
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync RTTestPrintf(hTest, RTTESTLVL_ALWAYS, "Testing wipe #%.02RU32 (%u bytes) ...\n",
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync p + 1, cbAlloc);
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync void *pvBuf = RTMemAlloc(cbAlloc);
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync if (!pvBuf)
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync {
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync RTTestIFailed("No memory for first buffer (%z bytes)\n",
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync cbAlloc);
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync continue;
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync }
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync RTRandBytes(pvBuf, cbAlloc);
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync void *pvWipe = RTMemDup(pvBuf, cbAlloc);
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync if (!pvWipe)
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync {
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync RTMemFree(pvBuf);
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync RTTestIFailed("No memory for second buffer (%z bytes)\n",
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync cbAlloc);
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync continue;
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync }
919546b97ea2948f2372a4bff52712e11fca685dvboxsync size_t cbWipeRand = RTRandU32Ex(1, cbAlloc);
919546b97ea2948f2372a4bff52712e11fca685dvboxsync RTMemWipeThoroughly(pvWipe, RT_MIN(cbAlloc, cbWipeRand), p /* Passes */);
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync if (!memcmp(pvWipe, pvBuf, cbAlloc))
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync RTTestIFailed("Memory blocks must differ (%z bytes, 0x%p vs. 0x%p)!\n",
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync cbAlloc, pvWipe, pvBuf);
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync RTMemFree(pvWipe);
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync RTMemFree(pvBuf);
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync }
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync}
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsyncint main()
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync{
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync RTTEST hTest;
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync RTEXITCODE rcExit = RTTestInitAndCreate("memwipe", &hTest);
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync if (rcExit != RTEXITCODE_SUCCESS)
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync return rcExit;
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync RTTestBanner(hTest);
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync doMemWipeThoroughly(hTest);
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync return RTTestSummaryAndDestroy(hTest);
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync}
38c9d146ffa87a680413ba8191eed0e98e4323acvboxsync