| 1 | /* $Id: RTMkDir.cpp 69718 2017-11-16 14:55:45Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT - Creates directory.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2013-2017 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/path.h>
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| 32 | #include <iprt/err.h>
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| 33 | #include <iprt/initterm.h>
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| 34 | #include <iprt/message.h>
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| 35 |
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| 36 | #include <iprt/vfs.h>
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| 37 | #include <iprt/string.h>
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| 38 | #include <iprt/stream.h>
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| 39 | #include <iprt/getopt.h>
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| 40 | #include <iprt/buildconfig.h>
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| 41 |
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| 42 |
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| 43 | /*********************************************************************************************************************************
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| 44 | * Structures and Typedefs *
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| 45 | *********************************************************************************************************************************/
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| 46 | typedef struct RTCMDMKDIROPTS
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| 47 | {
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| 48 | /** -v, --verbose */
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| 49 | bool fVerbose;
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| 50 | /** -p, --parents */
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| 51 | bool fParents;
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| 52 | /** Whether to always use the VFS chain API (for testing). */
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| 53 | bool fAlwaysUseChainApi;
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| 54 | /** Directory creation flags (RTDIRCREATE_FLAGS_XXX). */
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| 55 | uint32_t fCreateFlags;
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| 56 | /** The directory mode. */
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| 57 | RTFMODE fMode;
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| 58 | } RTCMDMKDIROPTS;
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| 59 |
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| 60 |
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| 61 | /**
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| 62 | * Create one directory and any missing parent directories.
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| 63 | *
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| 64 | * @returns exit code
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| 65 | * @param pOpts The mkdir option.
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| 66 | * @param pszDir The path to the new directory.
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| 67 | */
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| 68 | static int rtCmdMkDirOneWithParents(RTCMDMKDIROPTS const *pOpts, const char *pszDir)
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| 69 | {
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| 70 | int rc;
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| 71 | if (!pOpts->fAlwaysUseChainApi && !RTVfsChainIsSpec(pszDir) )
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| 72 | {
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| 73 | /*
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| 74 | * Use the API for doing the entire job. Unfortuantely, this means we
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| 75 | * can't be very verbose about what we're doing.
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| 76 | */
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| 77 | rc = RTDirCreateFullPath(pszDir, pOpts->fMode);
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| 78 | if (RT_FAILURE(rc))
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| 79 | RTMsgError("Failed to create directory '%s' (or a parent): %Rrc", pszDir, rc);
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| 80 | else if (pOpts->fVerbose)
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| 81 | RTPrintf("%s\n", pszDir);
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| 82 | }
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| 83 | else
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| 84 | {
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| 85 | /*
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| 86 | * Strip the final path element from the pszDir spec.
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| 87 | */
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| 88 | char *pszCopy = RTStrDup(pszDir);
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| 89 | if (!pszCopy)
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| 90 | return RTMsgErrorExitFailure("Out of string memory!");
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| 91 |
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| 92 | char *pszFinalPath;
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| 93 | char *pszSpec;
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| 94 | uint32_t offError;
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| 95 | rc = RTVfsChainSplitOffFinalPath(pszCopy, &pszSpec, &pszFinalPath, &offError);
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| 96 | if (RT_SUCCESS(rc))
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| 97 | {
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| 98 | const char * const pszFullFinalPath = pszFinalPath;
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| 99 |
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| 100 | /*
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| 101 | * Open the root director/whatever.
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| 102 | */
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| 103 | RTERRINFOSTATIC ErrInfo;
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| 104 | RTVFSDIR hVfsCurDir;
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| 105 | if (pszSpec)
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| 106 | {
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| 107 | rc = RTVfsChainOpenDir(pszSpec, 0 /*fOpen*/, &hVfsCurDir, &offError, RTErrInfoInitStatic(&ErrInfo));
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| 108 | if (RT_FAILURE(rc))
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| 109 | RTVfsChainMsgError("RTVfsChainOpenDir", pszSpec, rc, offError, &ErrInfo.Core);
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| 110 | }
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| 111 | else if (!RTPathStartsWithRoot(pszFinalPath))
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| 112 | {
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| 113 | rc = RTVfsDirOpenNormal(".", 0 /*fOpen*/, &hVfsCurDir);
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| 114 | if (RT_FAILURE(rc))
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| 115 | RTMsgError("Failed to open '.' (for %s): %Rrc", rc, pszFinalPath);
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| 116 | }
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| 117 | else
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| 118 | {
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| 119 | char *pszRoot = pszFinalPath;
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| 120 | pszFinalPath = RTPathSkipRootSpec(pszFinalPath);
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| 121 | char const chSaved = *pszFinalPath;
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| 122 | *pszFinalPath = '\0';
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| 123 | rc = RTVfsDirOpenNormal(pszRoot, 0 /*fOpen*/, &hVfsCurDir);
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| 124 | *pszFinalPath = chSaved;
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| 125 | if (RT_FAILURE(rc))
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| 126 | RTMsgError("Failed to open root dir for '%s': %Rrc", rc, pszRoot);
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| 127 | }
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| 128 |
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| 129 | /*
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| 130 | * Walk the path component by component.
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| 131 | */
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| 132 | while (RT_SUCCESS(rc))
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| 133 | {
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| 134 | /*
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| 135 | * Strip leading slashes.
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| 136 | */
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| 137 | while (RTPATH_IS_SLASH(*pszFinalPath))
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| 138 | pszFinalPath++;
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| 139 | if (*pszFinalPath == '\0')
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| 140 | {
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| 141 | RTVfsDirRelease(hVfsCurDir);
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| 142 | break;
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| 143 | }
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| 144 |
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| 145 | /*
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| 146 | * Find the end of the next path component.
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| 147 | */
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| 148 | size_t cchComponent = 0;
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| 149 | char ch;
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| 150 | while ( (ch = pszFinalPath[cchComponent]) != '\0'
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| 151 | && !RTPATH_IS_SLASH(ch))
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| 152 | cchComponent++;
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| 153 |
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| 154 | /*
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| 155 | * Open or create the component.
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| 156 | */
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| 157 | pszFinalPath[cchComponent] = '\0';
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| 158 | RTVFSDIR hVfsNextDir = NIL_RTVFSDIR;
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| 159 | for (uint32_t cTries = 0; cTries < 8; cTries++)
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| 160 | {
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| 161 | /* Try open it. */
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| 162 | rc = RTVfsDirOpenDir(hVfsCurDir, pszFinalPath, 0 /*fFlags*/, &hVfsNextDir);
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| 163 | if (RT_SUCCESS(rc))
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| 164 | break;
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| 165 | if ( rc != VERR_FILE_NOT_FOUND
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| 166 | && rc != VERR_PATH_NOT_FOUND)
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| 167 | {
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| 168 | if (ch == '\0')
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| 169 | RTMsgError("Failed opening directory '%s': %Rrc", pszDir, rc);
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| 170 | else
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| 171 | RTMsgError("Failed opening dir '%s' (for creating '%s'): %Rrc", pszFullFinalPath, pszDir, rc);
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| 172 | break;
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| 173 | }
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| 174 |
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| 175 | /* Not found, so try create it. */
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| 176 | rc = RTVfsDirCreateDir(hVfsCurDir, pszFinalPath, pOpts->fMode, pOpts->fCreateFlags, &hVfsNextDir);
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| 177 | if (rc == VERR_ALREADY_EXISTS)
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| 178 | continue; /* We lost a creation race, try again. */
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| 179 | if (RT_SUCCESS(rc) && pOpts->fVerbose)
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| 180 | {
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| 181 | if (pszSpec)
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| 182 | RTPrintf("%s:%s\n", pszSpec, pszFullFinalPath);
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| 183 | else
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| 184 | RTPrintf("%s\n", pszFullFinalPath);
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| 185 | }
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| 186 | else if (RT_FAILURE(rc))
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| 187 | {
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| 188 | if (ch == '\0')
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| 189 | RTMsgError("Failed creating directory '%s': %Rrc", pszDir, rc);
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| 190 | else
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| 191 | RTMsgError("Failed creating dir '%s' (for '%s'): %Rrc", pszFullFinalPath, pszDir, rc);
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| 192 | }
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| 193 | break;
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| 194 | }
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| 195 | pszFinalPath[cchComponent] = ch;
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| 196 |
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| 197 | RTVfsDirRelease(hVfsCurDir);
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| 198 | hVfsCurDir = hVfsNextDir;
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| 199 | pszFinalPath += cchComponent;
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| 200 | }
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| 201 | }
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| 202 | else
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| 203 | RTVfsChainMsgError("RTVfsChainOpenParentDir", pszCopy, rc, offError, NULL);
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| 204 | RTStrFree(pszCopy);
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| 205 | }
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| 206 | return RT_SUCCESS(rc) ? RTEXITCODE_SUCCESS : RTEXITCODE_FAILURE;
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| 207 | }
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| 208 |
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| 209 |
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| 210 | /**
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| 211 | * Create one directory.
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| 212 | *
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| 213 | * @returns exit code
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| 214 | * @param pOpts The mkdir option.
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| 215 | * @param pszDir The path to the new directory.
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| 216 | */
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| 217 | static RTEXITCODE rtCmdMkDirOne(RTCMDMKDIROPTS const *pOpts, const char *pszDir)
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| 218 | {
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| 219 | int rc;
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| 220 | if (!pOpts->fAlwaysUseChainApi && !RTVfsChainIsSpec(pszDir) )
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| 221 | rc = RTDirCreate(pszDir, pOpts->fMode, 0);
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| 222 | else
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| 223 | {
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| 224 | RTVFSDIR hVfsDir;
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| 225 | const char *pszChild;
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| 226 | uint32_t offError;
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| 227 | RTERRINFOSTATIC ErrInfo;
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| 228 | rc = RTVfsChainOpenParentDir(pszDir, 0 /*fOpen*/, &hVfsDir, &pszChild, &offError, RTErrInfoInitStatic(&ErrInfo));
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| 229 | if (RT_SUCCESS(rc))
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| 230 | {
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| 231 | rc = RTVfsDirCreateDir(hVfsDir, pszChild, pOpts->fMode, 0 /*fFlags*/, NULL);
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| 232 | RTVfsDirRelease(hVfsDir);
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| 233 | }
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| 234 | else
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| 235 | return RTVfsChainMsgErrorExitFailure("RTVfsChainOpenParentDir", pszDir, rc, offError, &ErrInfo.Core);
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| 236 | }
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| 237 | if (RT_SUCCESS(rc))
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| 238 | {
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| 239 | if (pOpts->fVerbose)
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| 240 | RTPrintf("%s\n", pszDir);
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| 241 | return RTEXITCODE_SUCCESS;
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| 242 | }
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| 243 | return RTMsgErrorExitFailure("Failed to create '%s': %Rrc", pszDir, rc);
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| 244 | }
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| 245 |
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| 246 |
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| 247 | static RTEXITCODE RTCmdMkDir(unsigned cArgs, char **papszArgs)
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| 248 | {
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| 249 | /*
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| 250 | * Parse the command line.
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| 251 | */
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| 252 | static const RTGETOPTDEF s_aOptions[] =
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| 253 | {
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| 254 | /* operations */
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| 255 | { "--mode", 'm', RTGETOPT_REQ_UINT32 | RTGETOPT_FLAG_OCT },
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| 256 | { "--parents", 'p', RTGETOPT_REQ_NOTHING },
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| 257 | { "--always-use-vfs-chain-api", 'A', RTGETOPT_REQ_NOTHING },
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| 258 | { "--allow-content-indexing", 'i', RTGETOPT_REQ_NOTHING },
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| 259 | { "--verbose", 'v', RTGETOPT_REQ_NOTHING },
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| 260 | };
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| 261 |
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| 262 | RTGETOPTSTATE GetState;
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| 263 | int rc = RTGetOptInit(&GetState, cArgs, papszArgs, s_aOptions, RT_ELEMENTS(s_aOptions), 1,
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| 264 | RTGETOPTINIT_FLAGS_OPTS_FIRST);
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| 265 | if (RT_FAILURE(rc))
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| 266 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTGetOpt failed: %Rrc", rc);
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| 267 |
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| 268 | RTCMDMKDIROPTS Opts;
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| 269 | Opts.fVerbose = false;
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| 270 | Opts.fParents = false;
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| 271 | Opts.fAlwaysUseChainApi = false;
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| 272 | Opts.fCreateFlags = RTDIRCREATE_FLAGS_NOT_CONTENT_INDEXED_NOT_CRITICAL | RTDIRCREATE_FLAGS_NOT_CONTENT_INDEXED_SET;
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| 273 | Opts.fMode = 0775 | RTFS_TYPE_DIRECTORY | RTFS_DOS_DIRECTORY;
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| 274 |
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| 275 | RTGETOPTUNION ValueUnion;
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| 276 | while ( (rc = RTGetOpt(&GetState, &ValueUnion)) != 0
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| 277 | && rc != VINF_GETOPT_NOT_OPTION)
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| 278 | {
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| 279 | switch (rc)
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| 280 | {
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| 281 | case 'm':
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| 282 | /** @todo DOS+NT attributes and symbolic notation. */
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| 283 | Opts.fMode &= ~07777;
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| 284 | Opts.fMode |= ValueUnion.u32 & 07777;
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| 285 | break;
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| 286 |
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| 287 | case 'p':
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| 288 | Opts.fParents = true;
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| 289 | break;
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| 290 |
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| 291 | case 'v':
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| 292 | Opts.fVerbose = true;
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| 293 | break;
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| 294 |
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| 295 | case 'A':
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| 296 | Opts.fAlwaysUseChainApi = true;
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| 297 | break;
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| 298 |
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| 299 | case 'i':
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| 300 | Opts.fCreateFlags &= ~RTDIRCREATE_FLAGS_NOT_CONTENT_INDEXED_SET;
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| 301 | Opts.fCreateFlags |= RTDIRCREATE_FLAGS_NOT_CONTENT_INDEXED_DONT_SET;
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| 302 | break;
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| 303 |
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| 304 | case 'h':
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| 305 | RTPrintf("Usage: %s [options] <dir> [..]\n"
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| 306 | "\n"
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| 307 | "Options:\n"
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| 308 | " -m <mode>, --mode <mode>\n"
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| 309 | " The creation mode. Default is 0775.\n"
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| 310 | " -p, --parent\n"
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| 311 | " Create parent directories too. Ignore any existing directories.\n"
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| 312 | " -v, --verbose\n"
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| 313 | " Tell which directories get created.\n"
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| 314 | " -A, --always-use-vfs-chain-api\n"
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| 315 | " Always use the VFS API.\n"
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| 316 | " -i, --allow-content-indexing\n"
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| 317 | " Don't set flags to disable context indexing on windows.\n"
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| 318 | , papszArgs[0]);
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| 319 | return RTEXITCODE_SUCCESS;
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| 320 |
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| 321 | case 'V':
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| 322 | RTPrintf("%sr%d\n", RTBldCfgVersion(), RTBldCfgRevision());
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| 323 | return RTEXITCODE_SUCCESS;
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| 324 |
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| 325 | default:
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| 326 | return RTGetOptPrintError(rc, &ValueUnion);
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| 327 | }
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| 328 | }
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| 329 |
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| 330 |
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| 331 | /*
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| 332 | * No files means error.
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| 333 | */
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| 334 | if (rc != VINF_GETOPT_NOT_OPTION)
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| 335 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "No directories specified.\n");
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| 336 |
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| 337 | /*
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| 338 | * Work thru the specified dirs.
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| 339 | */
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| 340 | RTEXITCODE rcExit = RTEXITCODE_SUCCESS;
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| 341 | while (rc == VINF_GETOPT_NOT_OPTION)
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| 342 | {
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| 343 | if (Opts.fParents)
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| 344 | rc = rtCmdMkDirOneWithParents(&Opts, ValueUnion.psz);
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| 345 | else
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| 346 | rc = rtCmdMkDirOne(&Opts, ValueUnion.psz);
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| 347 | if (RT_FAILURE(rc))
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| 348 | rcExit = RTEXITCODE_FAILURE;
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| 349 |
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| 350 | /* next */
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| 351 | rc = RTGetOpt(&GetState, &ValueUnion);
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| 352 | }
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| 353 | if (rc != 0)
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| 354 | rcExit = RTGetOptPrintError(rc, &ValueUnion);
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| 355 |
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| 356 | return rcExit;
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| 357 | }
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| 358 |
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| 359 |
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| 360 | int main(int argc, char **argv)
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| 361 | {
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| 362 | int rc = RTR3InitExe(argc, &argv, 0);
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| 363 | if (RT_FAILURE(rc))
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| 364 | return RTMsgInitFailure(rc);
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| 365 | return RTCmdMkDir(argc, argv);
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| 366 | }
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| 367 |
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