1 | /* $Id: path.cpp 56290 2015-06-09 14:01:31Z vboxsync $ */
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2 | /** @file
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3 | * IPRT - Path Manipulation.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2006-2015 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 "internal/iprt.h"
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32 | #include <iprt/assert.h>
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33 | #include <iprt/env.h>
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34 | #include <iprt/err.h>
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35 | #include <iprt/path.h>
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36 | #include <iprt/string.h>
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37 | #include "internal/path.h"
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38 | #include "internal/process.h"
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39 |
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40 |
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41 | #ifdef RT_OS_SOLARIS
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42 | /**
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43 | * Hack to strip of the architecture subdirectory from the exec dir.
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44 | *
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45 | * @returns See RTPathExecDir.
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46 | * @param pszPath See RTPathExecDir.
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47 | * @param cchPath See RTPathExecDir.
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48 | */
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49 | DECLINLINE(int) rtPathSolarisArchHack(char *pszPath, size_t cchPath)
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50 | {
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51 | int rc = RTPathExecDir(pszPath, cchPath);
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52 | if (RT_SUCCESS(rc))
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53 | {
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54 | const char *pszLast = RTPathFilename(pszPath);
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55 | if ( !strcmp(pszLast, "amd64")
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56 | || !strcmp(pszLast, "i386"))
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57 | RTPathStripFilename(pszPath);
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58 | }
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59 | return rc;
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60 | }
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61 | #endif
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62 |
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63 |
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64 | RTDECL(int) RTPathExecDir(char *pszPath, size_t cchPath)
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65 | {
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66 | AssertReturn(g_szrtProcExePath[0], VERR_WRONG_ORDER);
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67 |
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68 | /*
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69 | * Calc the length and check if there is space before copying.
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70 | */
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71 | size_t cch = g_cchrtProcDir;
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72 | if (cch < cchPath)
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73 | {
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74 | memcpy(pszPath, g_szrtProcExePath, cch);
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75 | pszPath[cch] = '\0';
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76 | return VINF_SUCCESS;
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77 | }
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78 |
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79 | AssertMsgFailed(("Buffer too small (%zu <= %zu)\n", cchPath, cch));
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80 | return VERR_BUFFER_OVERFLOW;
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81 | }
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82 |
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83 |
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84 | RTDECL(int) RTPathAppPrivateNoArch(char *pszPath, size_t cchPath)
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85 | {
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86 | #if !defined(RT_OS_WINDOWS) && defined(RTPATH_APP_PRIVATE)
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87 | return RTStrCopy(pszPath, cchPath, RTPATH_APP_PRIVATE);
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88 | #elif defined(RT_OS_SOLARIS)
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89 | return rtPathSolarisArchHack(pszPath, cchPath);
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90 | #else
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91 | return RTPathExecDir(pszPath, cchPath);
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92 | #endif
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93 | }
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94 |
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95 |
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96 | RTDECL(int) RTPathAppPrivateArch(char *pszPath, size_t cchPath)
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97 | {
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98 | #if !defined(RT_OS_WINDOWS) && defined(RTPATH_APP_PRIVATE_ARCH)
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99 | return RTStrCopy(pszPath, cchPath, RTPATH_APP_PRIVATE_ARCH);
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100 | #else
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101 | return RTPathExecDir(pszPath, cchPath);
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102 | #endif
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103 | }
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104 |
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105 |
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106 | RTDECL(int) RTPathAppPrivateArchTop(char *pszPath, size_t cchPath)
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107 | {
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108 | #if !defined(RT_OS_WINDOWS) && defined(RTPATH_APP_PRIVATE_ARCH_TOP)
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109 | return RTStrCopy(pszPath, cchPath, RTPATH_APP_PRIVATE_ARCH_TOP);
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110 | #elif !defined(RT_OS_WINDOWS) && defined(RTPATH_APP_PRIVATE_ARCH)
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111 | return RTStrCopy(pszPath, cchPath, RTPATH_APP_PRIVATE_ARCH);
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112 | #elif defined(RT_OS_SOLARIS)
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113 | return rtPathSolarisArchHack(pszPath, cchPath);
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114 | #else
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115 | int rc = RTPathExecDir(pszPath, cchPath);
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116 | return rc;
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117 | #endif
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118 | }
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119 |
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120 |
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121 | RTDECL(int) RTPathSharedLibs(char *pszPath, size_t cchPath)
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122 | {
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123 | #if !defined(RT_OS_WINDOWS) && defined(RTPATH_SHARED_LIBS)
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124 | return RTStrCopy(pszPath, cchPath, RTPATH_SHARED_LIBS);
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125 | #else
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126 | return RTPathExecDir(pszPath, cchPath);
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127 | #endif
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128 | }
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129 |
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130 |
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131 | RTDECL(int) RTPathAppDocs(char *pszPath, size_t cchPath)
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132 | {
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133 | #if !defined(RT_OS_WINDOWS) && defined(RTPATH_APP_DOCS)
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134 | return RTStrCopy(pszPath, cchPath, RTPATH_APP_DOCS);
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135 | #elif defined(RT_OS_SOLARIS)
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136 | return rtPathSolarisArchHack(pszPath, cchPath);
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137 | #else
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138 | return RTPathExecDir(pszPath, cchPath);
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139 | #endif
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140 | }
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141 |
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142 |
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143 | RTDECL(int) RTPathTemp(char *pszPath, size_t cchPath)
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144 | {
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145 | /*
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146 | * Try get it from the environment first.
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147 | */
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148 | static const char * const s_apszVars[] =
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149 | {
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150 | "IPRT_TMPDIR"
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151 | #if defined(RT_OS_WINDOWS)
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152 | , "TMP", "TEMP", "USERPROFILE"
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153 | #elif defined(RT_OS_OS2)
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154 | , "TMP", "TEMP", "TMPDIR"
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155 | #else
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156 | , "TMPDIR"
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157 | #endif
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158 | };
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159 | for (size_t iVar = 0; iVar < RT_ELEMENTS(s_apszVars); iVar++)
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160 | {
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161 | int rc = RTEnvGetEx(RTENV_DEFAULT, s_apszVars[iVar], pszPath, cchPath, NULL);
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162 | if (rc != VERR_ENV_VAR_NOT_FOUND)
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163 | return rc;
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164 | }
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165 |
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166 | /*
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167 | * Here we should use some sane system default, instead we just use
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168 | * the typical unix temp dir for now.
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169 | */
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170 | /** @todo Windows should default to the windows directory, see GetTempPath.
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171 | * Some unixes has path.h and _PATH_TMP. There is also a question about
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172 | * whether /var/tmp wouldn't be a better place... */
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173 | if (cchPath < sizeof("/tmp") )
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174 | return VERR_BUFFER_OVERFLOW;
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175 | memcpy(pszPath, "/tmp", sizeof("/tmp"));
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176 | return VINF_SUCCESS;
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177 | }
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178 |
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179 |
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180 | RTR3DECL(int) RTPathGetMode(const char *pszPath, PRTFMODE pfMode)
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181 | {
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182 | AssertPtrReturn(pfMode, VERR_INVALID_POINTER);
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183 |
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184 | RTFSOBJINFO ObjInfo;
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185 | int rc = RTPathQueryInfoEx(pszPath, &ObjInfo, RTFSOBJATTRADD_NOTHING, RTPATH_F_FOLLOW_LINK);
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186 | if (RT_SUCCESS(rc))
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187 | *pfMode = ObjInfo.Attr.fMode;
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188 |
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189 | return rc;
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190 | }
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