1 | /* $Id: tstRTNtPath-1.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
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2 | /** @file
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3 | * IPRT Testcase - RTNtPath*.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2010-2019 Oracle Corporation
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | *
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17 | * The contents of this file may alternatively be used under the terms
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18 | * of the Common Development and Distribution License Version 1.0
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19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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20 | * VirtualBox OSE distribution, in which case the provisions of the
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21 | * CDDL are applicable instead of those of the GPL.
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22 | *
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23 | * You may elect to license modified versions of this file under the
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24 | * terms and conditions of either the GPL or the CDDL or both.
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25 | */
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26 |
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27 |
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28 | /*********************************************************************************************************************************
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29 | * Header Files *
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30 | *********************************************************************************************************************************/
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31 | #include <iprt/nt/nt-and-windows.h>
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32 |
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33 | #include <iprt/errcore.h>
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34 | #include <iprt/dir.h>
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35 | #include <iprt/env.h>
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36 | #include <iprt/path.h>
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37 | #include <iprt/string.h>
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38 | #include <iprt/test.h>
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39 | #include <iprt/utf16.h>
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40 |
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41 |
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42 | /*********************************************************************************************************************************
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43 | * Structures and Typedefs *
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44 | *********************************************************************************************************************************/
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45 | typedef struct TSTRAVERSE
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46 | {
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47 | uint32_t cHits;
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48 | uint32_t cFirstClassHits;
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49 | uint32_t cEntries;
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50 | uint32_t cDirs;
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51 | UNICODE_STRING UniStr;
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52 | char szLongPath[RTPATH_MAX];
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53 | char szLongPathNt[RTPATH_MAX];
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54 | char szShortPath[RTPATH_MAX];
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55 | union
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56 | {
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57 | RTDIRENTRYEX EntryEx;
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58 | uint8_t abBuf[RTPATH_MAX + sizeof(RTDIRENTRYEX)];
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59 | } u;
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60 | size_t cbDirEntry;
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61 | } TSTRAVERSE;
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62 |
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63 |
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64 | void tstTraverse8dot3(TSTRAVERSE *pThis, size_t cchLong, size_t cchShort, uint32_t cShortNames)
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65 | {
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66 | pThis->cDirs++;
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67 |
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68 | uint32_t cLeftToTest = 2;
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69 | RTDIR hDir;
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70 | int rc = RTDirOpen(&hDir, pThis->szLongPath);
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71 | if (RT_FAILURE(rc))
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72 | return;
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73 | while (pThis->cFirstClassHits < 256)
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74 | {
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75 | pThis->cbDirEntry = sizeof(pThis->u);
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76 | rc = RTDirReadEx(hDir, &pThis->u.EntryEx, &pThis->cbDirEntry, RTFSOBJATTRADD_NOTHING, RTPATH_F_ON_LINK);
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77 | if (RT_FAILURE(rc))
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78 | break;
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79 | pThis->cEntries++;
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80 |
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81 | if (RTDirEntryExIsStdDotLink(&pThis->u.EntryEx))
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82 | continue;
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83 |
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84 | if ( cchLong + pThis->u.EntryEx.cbName + 1 >= sizeof(pThis->szLongPath)
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85 | || cchShort + RT_MAX(pThis->u.EntryEx.cbName, pThis->u.EntryEx.cwcShortName * 3) + 1 >= sizeof(pThis->szShortPath) )
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86 | continue; /* ignore obvious overflows */
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87 |
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88 | bool fHave8Dot3 = pThis->u.EntryEx.cwcShortName
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89 | && RTUtf16ICmpUtf8(pThis->u.EntryEx.wszShortName, pThis->u.EntryEx.szName) != 0;
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90 | if ( fHave8Dot3
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91 | || RTFS_IS_DIRECTORY(pThis->u.EntryEx.Info.Attr.fMode)
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92 | || cLeftToTest > 0)
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93 | {
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94 | if (!fHave8Dot3)
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95 | memcpy(&pThis->szShortPath[cchShort], pThis->u.EntryEx.szName, pThis->u.EntryEx.cbName + 1);
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96 | else
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97 | {
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98 | char *pszDst = &pThis->szShortPath[cchShort];
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99 | rc = RTUtf16ToUtf8Ex(pThis->u.EntryEx.wszShortName, pThis->u.EntryEx.cwcShortName, &pszDst,
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100 | sizeof(pThis->szShortPath) - cchShort, NULL);
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101 | if (RT_FAILURE(rc))
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102 | continue;
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103 | }
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104 | memcpy(&pThis->szLongPath[cchLong], pThis->u.EntryEx.szName, pThis->u.EntryEx.cbName + 1);
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105 |
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106 | /*
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107 | * Check it out.
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108 | */
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109 | HANDLE hRoot;
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110 | RTTESTI_CHECK_RC(rc = RTNtPathFromWinUtf8(&pThis->UniStr, &hRoot, pThis->szShortPath), VINF_SUCCESS);
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111 | if (RT_SUCCESS(rc))
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112 | {
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113 | RTTESTI_CHECK(pThis->UniStr.MaximumLength > pThis->UniStr.Length);
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114 | RTTESTI_CHECK(pThis->UniStr.Length == RTUtf16Len(pThis->UniStr.Buffer) * sizeof(RTUTF16));
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115 |
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116 | RTTESTI_CHECK_RC(rc = RTNtPathEnsureSpace(&pThis->UniStr, RTPATH_MAX + 256), VINF_SUCCESS);
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117 | if (RT_SUCCESS(rc))
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118 | {
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119 | RTTESTI_CHECK_RC(rc = RTNtPathExpand8dot3Path(&pThis->UniStr, false /*fPathOnly*/), VINF_SUCCESS);
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120 | if (RT_SUCCESS(rc))
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121 | {
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122 | RTTESTI_CHECK(pThis->UniStr.Length == RTUtf16Len(pThis->UniStr.Buffer) * sizeof(RTUTF16));
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123 |
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124 | /* Skip the win32 path prefix (it is usually \??\) so we can compare. Crude but works */
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125 | size_t offPrefix = 0;
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126 | while ( pThis->UniStr.Buffer[offPrefix] != pThis->szLongPath[0]
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127 | && pThis->UniStr.Buffer[offPrefix] != '\0')
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128 | offPrefix++;
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129 | if (!pThis->UniStr.Buffer[offPrefix])
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130 | offPrefix = 0;
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131 |
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132 | if (RTUtf16CmpUtf8(&pThis->UniStr.Buffer[offPrefix], pThis->szLongPath) == 0)
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133 | { /* ok */ }
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134 | else if (RTUtf16ICmpUtf8(&pThis->UniStr.Buffer[offPrefix], pThis->szLongPath) == 0)
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135 | RTTestIFailed("case mismatch: '%ls' vs '%s'", pThis->UniStr.Buffer, pThis->szLongPath);
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136 | else
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137 | RTTestIFailed("mismatch: '%ls' vs '%s'", pThis->UniStr.Buffer, pThis->szLongPath);
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138 |
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139 | /*
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140 | * Update test efficiency hits.
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141 | */
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142 | if ( cLeftToTest > 0
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143 | && !pThis->u.EntryEx.cwcShortName
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144 | && !RTFS_IS_DIRECTORY(pThis->u.EntryEx.Info.Attr.fMode))
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145 | {
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146 | cLeftToTest--;
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147 | if (cShortNames >= 3)
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148 | pThis->cFirstClassHits++;
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149 | }
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150 | pThis->cHits++;
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151 | }
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152 | }
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153 | RTNtPathFree(&pThis->UniStr, &hRoot);
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154 | }
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155 | //RTTestIPrintf(RTTESTLVL_ALWAYS, "debug: %u %u/%u %u/%u %s\n",
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156 | // cShortNames, pThis->cFirstClassHits, pThis->cHits, pThis->cDirs, pThis->cEntries, pThis->szShortPath);
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157 |
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158 | /*
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159 | * Decend into sub-directories. Must add slash first.
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160 | */
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161 | if (RTFS_IS_DIRECTORY(pThis->u.EntryEx.Info.Attr.fMode))
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162 | {
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163 | pThis->szLongPath[cchLong + pThis->u.EntryEx.cbName] = '\\';
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164 | pThis->szLongPath[cchLong + pThis->u.EntryEx.cbName + 1] = '\0';
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165 | strcat(&pThis->szShortPath[cchShort], "\\");
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166 |
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167 | tstTraverse8dot3(pThis,
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168 | cchLong + pThis->u.EntryEx.cbName + 1,
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169 | cchShort + strlen(&pThis->szShortPath[cchShort]),
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170 | cShortNames + (pThis->u.EntryEx.cwcShortName != 0));
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171 | }
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172 | }
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173 | }
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174 | RTDirClose(hDir);
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175 | }
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176 |
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177 |
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178 | int main()
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179 | {
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180 | RTTEST hTest;
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181 | int rc = RTTestInitAndCreate("tstRTNtPath-1", &hTest);
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182 | if (rc)
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183 | return rc;
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184 | RTTestBanner(hTest);
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185 |
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186 | /*
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187 | * Traverse the boot file system looking for short named and try locate an instance
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188 | * where we have at least 3 in a row.
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189 | */
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190 | RTTestSub(hTest, "8dot3");
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191 |
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192 | TSTRAVERSE This;
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193 | RT_ZERO(This);
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194 | rc = RTEnvGetEx(RTENV_DEFAULT, "SystemDrive", This.szLongPath, 64, NULL);
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195 | if (RT_SUCCESS(rc))
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196 | {
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197 | RTStrCat(This.szLongPath, sizeof(This.szLongPath), "\\");
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198 | size_t cch = strlen(This.szLongPath);
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199 | memcpy(This.szShortPath, This.szLongPath, cch + 1);
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200 |
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201 | tstTraverse8dot3(&This, cch, cch, 0);
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202 | RTTestIPrintf(RTTESTLVL_ALWAYS, "info: cEntries=%u cHits=%u cFirstClassHits=%u\n",
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203 | This.cEntries, This.cHits, This.cFirstClassHits);
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204 | }
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205 | else
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206 | RTTestSkipped(hTest, "failed to resolve %SystemDrive%: %Rrc", rc);
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207 |
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208 | /*
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209 | * Summary.
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210 | */
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211 | return RTTestSummaryAndDestroy(hTest);
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212 | }
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213 |
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