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/* $Id: tstRTNtPath-1.cpp $ */
/** @file
* IPRT Testcase - RTNtPath*.
*/
/*
* Copyright (C) 2010-2023 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 *
*********************************************************************************************************************************/
#include <iprt/nt/nt-and-windows.h>
#include <iprt/errcore.h>
#include <iprt/dir.h>
#include <iprt/env.h>
#include <iprt/path.h>
#include <iprt/string.h>
#include <iprt/test.h>
#include <iprt/utf16.h>
/*********************************************************************************************************************************
* Structures and Typedefs *
*********************************************************************************************************************************/
typedef struct TSTRAVERSE
{
uint32_t cHits;
uint32_t cFirstClassHits;
uint32_t cEntries;
uint32_t cDirs;
UNICODE_STRING UniStr;
char szLongPath[RTPATH_MAX];
char szLongPathNt[RTPATH_MAX];
char szShortPath[RTPATH_MAX];
union
{
RTDIRENTRYEX EntryEx;
uint8_t abBuf[RTPATH_MAX + sizeof(RTDIRENTRYEX)];
} u;
size_t cbDirEntry;
} TSTRAVERSE;
void tstTraverse8dot3(TSTRAVERSE *pThis, size_t cchLong, size_t cchShort, uint32_t cShortNames)
{
pThis->cDirs++;
uint32_t cLeftToTest = 2;
RTDIR hDir;
int rc = RTDirOpen(&hDir, pThis->szLongPath);
if (RT_FAILURE(rc))
return;
while (pThis->cFirstClassHits < 256)
{
pThis->cbDirEntry = sizeof(pThis->u);
rc = RTDirReadEx(hDir, &pThis->u.EntryEx, &pThis->cbDirEntry, RTFSOBJATTRADD_NOTHING, RTPATH_F_ON_LINK);
if (RT_FAILURE(rc))
break;
pThis->cEntries++;
if (RTDirEntryExIsStdDotLink(&pThis->u.EntryEx))
continue;
if ( cchLong + pThis->u.EntryEx.cbName + 1 >= sizeof(pThis->szLongPath)
|| cchShort + RT_MAX(pThis->u.EntryEx.cbName, pThis->u.EntryEx.cwcShortName * 3) + 1 >= sizeof(pThis->szShortPath) )
continue; /* ignore obvious overflows */
bool fHave8Dot3 = pThis->u.EntryEx.cwcShortName
&& RTUtf16ICmpUtf8(pThis->u.EntryEx.wszShortName, pThis->u.EntryEx.szName) != 0;
if ( fHave8Dot3
|| RTFS_IS_DIRECTORY(pThis->u.EntryEx.Info.Attr.fMode)
|| cLeftToTest > 0)
{
if (!fHave8Dot3)
memcpy(&pThis->szShortPath[cchShort], pThis->u.EntryEx.szName, pThis->u.EntryEx.cbName + 1);
else
{
char *pszDst = &pThis->szShortPath[cchShort];
rc = RTUtf16ToUtf8Ex(pThis->u.EntryEx.wszShortName, pThis->u.EntryEx.cwcShortName, &pszDst,
sizeof(pThis->szShortPath) - cchShort, NULL);
if (RT_FAILURE(rc))
continue;
}
memcpy(&pThis->szLongPath[cchLong], pThis->u.EntryEx.szName, pThis->u.EntryEx.cbName + 1);
/*
* Check it out.
*/
HANDLE hRoot;
RTTESTI_CHECK_RC(rc = RTNtPathFromWinUtf8(&pThis->UniStr, &hRoot, pThis->szShortPath), VINF_SUCCESS);
if (RT_SUCCESS(rc))
{
RTTESTI_CHECK(pThis->UniStr.MaximumLength > pThis->UniStr.Length);
RTTESTI_CHECK(pThis->UniStr.Length == RTUtf16Len(pThis->UniStr.Buffer) * sizeof(RTUTF16));
RTTESTI_CHECK_RC(rc = RTNtPathEnsureSpace(&pThis->UniStr, RTPATH_MAX + 256), VINF_SUCCESS);
if (RT_SUCCESS(rc))
{
RTTESTI_CHECK_RC(rc = RTNtPathExpand8dot3Path(&pThis->UniStr, false /*fPathOnly*/), VINF_SUCCESS);
if (RT_SUCCESS(rc))
{
RTTESTI_CHECK(pThis->UniStr.Length == RTUtf16Len(pThis->UniStr.Buffer) * sizeof(RTUTF16));
/* Skip the win32 path prefix (it is usually \??\) so we can compare. Crude but works */
size_t offPrefix = 0;
while ( pThis->UniStr.Buffer[offPrefix] != pThis->szLongPath[0]
&& pThis->UniStr.Buffer[offPrefix] != '\0')
offPrefix++;
if (!pThis->UniStr.Buffer[offPrefix])
offPrefix = 0;
if (RTUtf16CmpUtf8(&pThis->UniStr.Buffer[offPrefix], pThis->szLongPath) == 0)
{ /* ok */ }
else if (RTUtf16ICmpUtf8(&pThis->UniStr.Buffer[offPrefix], pThis->szLongPath) == 0)
RTTestIFailed("case mismatch: '%ls' vs '%s'", pThis->UniStr.Buffer, pThis->szLongPath);
else
RTTestIFailed("mismatch: '%ls' vs '%s'", pThis->UniStr.Buffer, pThis->szLongPath);
/*
* Update test efficiency hits.
*/
if ( cLeftToTest > 0
&& !pThis->u.EntryEx.cwcShortName
&& !RTFS_IS_DIRECTORY(pThis->u.EntryEx.Info.Attr.fMode))
{
cLeftToTest--;
if (cShortNames >= 3)
pThis->cFirstClassHits++;
}
pThis->cHits++;
}
}
RTNtPathFree(&pThis->UniStr, &hRoot);
}
//RTTestIPrintf(RTTESTLVL_ALWAYS, "debug: %u %u/%u %u/%u %s\n",
// cShortNames, pThis->cFirstClassHits, pThis->cHits, pThis->cDirs, pThis->cEntries, pThis->szShortPath);
/*
* Decend into sub-directories. Must add slash first.
*/
if (RTFS_IS_DIRECTORY(pThis->u.EntryEx.Info.Attr.fMode))
{
pThis->szLongPath[cchLong + pThis->u.EntryEx.cbName] = '\\';
pThis->szLongPath[cchLong + pThis->u.EntryEx.cbName + 1] = '\0';
strcat(&pThis->szShortPath[cchShort], "\\");
tstTraverse8dot3(pThis,
cchLong + pThis->u.EntryEx.cbName + 1,
cchShort + strlen(&pThis->szShortPath[cchShort]),
cShortNames + (pThis->u.EntryEx.cwcShortName != 0));
}
}
}
RTDirClose(hDir);
}
int main()
{
RTTEST hTest;
int rc = RTTestInitAndCreate("tstRTNtPath-1", &hTest);
if (rc)
return rc;
RTTestBanner(hTest);
/*
* Traverse the boot file system looking for short named and try locate an instance
* where we have at least 3 in a row.
*/
RTTestSub(hTest, "8dot3");
TSTRAVERSE This;
RT_ZERO(This);
rc = RTEnvGetEx(RTENV_DEFAULT, "SystemDrive", This.szLongPath, 64, NULL);
if (RT_SUCCESS(rc))
{
RTStrCat(This.szLongPath, sizeof(This.szLongPath), "\\");
size_t cch = strlen(This.szLongPath);
memcpy(This.szShortPath, This.szLongPath, cch + 1);
tstTraverse8dot3(&This, cch, cch, 0);
RTTestIPrintf(RTTESTLVL_ALWAYS, "info: cEntries=%u cHits=%u cFirstClassHits=%u\n",
This.cEntries, This.cHits, This.cFirstClassHits);
}
else
RTTestSkipped(hTest, "failed to resolve %SystemDrive%: %Rrc", rc);
/*
* Summary.
*/
return RTTestSummaryAndDestroy(hTest);
}
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