From f215e02bf85f68d3a6106c2a1f4f7f063f819064 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:17:27 +0200 Subject: Adding upstream version 7.0.14-dfsg. Signed-off-by: Daniel Baumann --- src/VBox/Runtime/r3/generic/dirrel-r3-generic.cpp | 369 ++++++++++++++++++++++ 1 file changed, 369 insertions(+) create mode 100644 src/VBox/Runtime/r3/generic/dirrel-r3-generic.cpp (limited to 'src/VBox/Runtime/r3/generic/dirrel-r3-generic.cpp') diff --git a/src/VBox/Runtime/r3/generic/dirrel-r3-generic.cpp b/src/VBox/Runtime/r3/generic/dirrel-r3-generic.cpp new file mode 100644 index 00000000..da34638e --- /dev/null +++ b/src/VBox/Runtime/r3/generic/dirrel-r3-generic.cpp @@ -0,0 +1,369 @@ +/* $Id: dirrel-r3-generic.cpp $ */ +/** @file + * IPRT - Directory relative base APIs, generic implementation. + */ + +/* + * Copyright (C) 2006-2023 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 . + * + * 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 * +*********************************************************************************************************************************/ +#define LOG_GROUP RTLOGGROUP_DIR +#include +#include "internal/iprt.h" + +#include +#include +#include +#include +#include +#include +#define RTDIR_AGNOSTIC +#include "internal/dir.h" + + + +/** + * Helper that builds a full path for a directory relative path. + * + * @returns IPRT status code. + * @param pThis The directory. + * @param pszPathDst The destination buffer. + * @param cbPathDst The size of the destination buffer. + * @param pszRelPath The relative path. + */ +static int rtDirRelBuildFullPath(PRTDIRINTERNAL pThis, char *pszPathDst, size_t cbPathDst, const char *pszRelPath) +{ + AssertMsgReturn(!RTPathStartsWithRoot(pszRelPath), ("pszRelPath='%s'\n", pszRelPath), VERR_PATH_IS_NOT_RELATIVE); + + /* + * Let's hope we can avoid checking for ascension. + * + * Note! We don't take symbolic links into account here. That can be + * done later if desired. + */ + if ( !(pThis->fFlags & RTDIR_F_DENY_ASCENT) + || strstr(pszRelPath, "..") == NULL) + { + size_t const cchRelPath = strlen(pszRelPath); + size_t const cchDirPath = pThis->cchPath; + if (cchDirPath + cchRelPath < cbPathDst) + { + memcpy(pszPathDst, pThis->pszPath, cchDirPath); + memcpy(&pszPathDst[cchDirPath], pszRelPath, cchRelPath); + pszPathDst[cchDirPath + cchRelPath] = '\0'; + return VINF_SUCCESS; + } + return VERR_FILENAME_TOO_LONG; + } + + /* + * Calc the absolute path using the directory as a base, then check if the result + * still starts with the full directory path. + * + * This ASSUMES that pThis->pszPath is an absolute path. + */ + int rc = RTPathAbsEx(pThis->pszPath, pszRelPath, RTPATH_STR_F_STYLE_HOST, pszPathDst, &cbPathDst); + if (RT_SUCCESS(rc)) + { + if (RTPathStartsWith(pszPathDst, pThis->pszPath)) + return VINF_SUCCESS; + return VERR_PATH_NOT_FOUND; + } + return rc; +} + + +/* + * + * + * RTFile stuff. + * RTFile stuff. + * RTFile stuff. + * + * + */ + + + + +RTDECL(int) RTDirRelFileOpen(RTDIR hDir, const char *pszRelFilename, uint64_t fOpen, PRTFILE phFile) +{ + PRTDIRINTERNAL pThis = hDir; + AssertPtrReturn(pThis, VERR_INVALID_HANDLE); + AssertReturn(pThis->u32Magic == RTDIR_MAGIC, VERR_INVALID_HANDLE); + + char szPath[RTPATH_MAX]; + int rc = rtDirRelBuildFullPath(pThis, szPath, sizeof(szPath), pszRelFilename); + if (RT_SUCCESS(rc)) + rc = RTFileOpen(phFile, szPath, fOpen); + return rc; +} + + + +/* + * + * + * RTDir stuff. + * RTDir stuff. + * RTDir stuff. + * + * + */ + + + +RTDECL(int) RTDirRelDirOpen(RTDIR hDir, const char *pszDir, RTDIR *phDir) +{ + PRTDIRINTERNAL pThis = hDir; + AssertPtrReturn(pThis, VERR_INVALID_HANDLE); + AssertReturn(pThis->u32Magic == RTDIR_MAGIC, VERR_INVALID_HANDLE); + + char szPath[RTPATH_MAX]; + int rc = rtDirRelBuildFullPath(pThis, szPath, sizeof(szPath), pszDir); + if (RT_SUCCESS(rc)) + rc = RTDirOpen(phDir, szPath); + return rc; + +} + + +RTDECL(int) RTDirRelDirOpenFiltered(RTDIR hDir, const char *pszDirAndFilter, RTDIRFILTER enmFilter, + uint32_t fFlags, RTDIR *phDir) +{ + PRTDIRINTERNAL pThis = hDir; + AssertPtrReturn(pThis, VERR_INVALID_HANDLE); + AssertReturn(pThis->u32Magic == RTDIR_MAGIC, VERR_INVALID_HANDLE); + + char szPath[RTPATH_MAX]; + int rc = rtDirRelBuildFullPath(pThis, szPath, sizeof(szPath), pszDirAndFilter); + if (RT_SUCCESS(rc)) + rc = RTDirOpenFiltered(phDir, szPath, enmFilter, fFlags); + return rc; +} + + +RTDECL(int) RTDirRelDirCreate(RTDIR hDir, const char *pszRelPath, RTFMODE fMode, uint32_t fCreate, RTDIR *phSubDir) +{ + PRTDIRINTERNAL pThis = hDir; + AssertPtrReturn(pThis, VERR_INVALID_HANDLE); + AssertReturn(pThis->u32Magic == RTDIR_MAGIC, VERR_INVALID_HANDLE); + + char szPath[RTPATH_MAX]; + int rc = rtDirRelBuildFullPath(pThis, szPath, sizeof(szPath), pszRelPath); + if (RT_SUCCESS(rc)) + { + rc = RTDirCreate(szPath, fMode, fCreate); + if (RT_SUCCESS(rc) && phSubDir) + rc = RTDirOpen(phSubDir, szPath); + } + return rc; +} + + +RTDECL(int) RTDirRelDirRemove(RTDIR hDir, const char *pszRelPath) +{ + PRTDIRINTERNAL pThis = hDir; + AssertPtrReturn(pThis, VERR_INVALID_HANDLE); + AssertReturn(pThis->u32Magic == RTDIR_MAGIC, VERR_INVALID_HANDLE); + + char szPath[RTPATH_MAX]; + int rc = rtDirRelBuildFullPath(pThis, szPath, sizeof(szPath), pszRelPath); + if (RT_SUCCESS(rc)) + rc = RTDirRemove(szPath); + return rc; +} + + +/* + * + * RTPath stuff. + * RTPath stuff. + * RTPath stuff. + * + * + */ + + +RTDECL(int) RTDirRelPathQueryInfo(RTDIR hDir, const char *pszRelPath, PRTFSOBJINFO pObjInfo, + RTFSOBJATTRADD enmAddAttr, uint32_t fFlags) +{ + PRTDIRINTERNAL pThis = hDir; + AssertPtrReturn(pThis, VERR_INVALID_HANDLE); + AssertReturn(pThis->u32Magic == RTDIR_MAGIC, VERR_INVALID_HANDLE); + + char szPath[RTPATH_MAX]; + int rc = rtDirRelBuildFullPath(pThis, szPath, sizeof(szPath), pszRelPath); + if (RT_SUCCESS(rc)) + rc = RTPathQueryInfoEx(szPath, pObjInfo, enmAddAttr, fFlags); + return rc; +} + + +RTDECL(int) RTDirRelPathSetMode(RTDIR hDir, const char *pszRelPath, RTFMODE fMode, uint32_t fFlags) +{ + PRTDIRINTERNAL pThis = hDir; + AssertPtrReturn(pThis, VERR_INVALID_HANDLE); + AssertReturn(pThis->u32Magic == RTDIR_MAGIC, VERR_INVALID_HANDLE); + AssertMsgReturn(RTPATH_F_IS_VALID(fFlags, 0), ("%#x\n", fFlags), VERR_INVALID_FLAGS); + + char szPath[RTPATH_MAX]; + int rc = rtDirRelBuildFullPath(pThis, szPath, sizeof(szPath), pszRelPath); + if (RT_SUCCESS(rc)) + { +#ifndef RT_OS_WINDOWS + rc = RTPathSetMode(szPath, fMode); /** @todo fFlags is currently ignored. */ +#else + rc = VERR_NOT_IMPLEMENTED; /** @todo implement RTPathSetMode on windows. */ + RT_NOREF(fMode); +#endif + } + return rc; +} + + +RTDECL(int) RTDirRelPathSetTimes(RTDIR hDir, const char *pszRelPath, PCRTTIMESPEC pAccessTime, PCRTTIMESPEC pModificationTime, + PCRTTIMESPEC pChangeTime, PCRTTIMESPEC pBirthTime, uint32_t fFlags) +{ + PRTDIRINTERNAL pThis = hDir; + AssertPtrReturn(pThis, VERR_INVALID_HANDLE); + AssertReturn(pThis->u32Magic == RTDIR_MAGIC, VERR_INVALID_HANDLE); + + char szPath[RTPATH_MAX]; + int rc = rtDirRelBuildFullPath(pThis, szPath, sizeof(szPath), pszRelPath); + if (RT_SUCCESS(rc)) + rc = RTPathSetTimesEx(szPath, pAccessTime, pModificationTime, pChangeTime, pBirthTime, fFlags); + return rc; +} + + +RTDECL(int) RTDirRelPathSetOwner(RTDIR hDir, const char *pszRelPath, uint32_t uid, uint32_t gid, uint32_t fFlags) +{ + PRTDIRINTERNAL pThis = hDir; + AssertPtrReturn(pThis, VERR_INVALID_HANDLE); + AssertReturn(pThis->u32Magic == RTDIR_MAGIC, VERR_INVALID_HANDLE); + + char szPath[RTPATH_MAX]; + int rc = rtDirRelBuildFullPath(pThis, szPath, sizeof(szPath), pszRelPath); + if (RT_SUCCESS(rc)) + { +#ifndef RT_OS_WINDOWS + rc = RTPathSetOwnerEx(szPath, uid, gid, fFlags); +#else + rc = VERR_NOT_IMPLEMENTED; + RT_NOREF(uid, gid, fFlags); +#endif + } + return rc; +} + + +RTDECL(int) RTDirRelPathRename(RTDIR hDirSrc, const char *pszSrc, RTDIR hDirDst, const char *pszDst, unsigned fRename) +{ + PRTDIRINTERNAL pThis = hDirSrc; + AssertPtrReturn(pThis, VERR_INVALID_HANDLE); + AssertReturn(pThis->u32Magic == RTDIR_MAGIC, VERR_INVALID_HANDLE); + + PRTDIRINTERNAL pThat = hDirDst; + if (pThat != pThis) + { + AssertPtrReturn(pThat, VERR_INVALID_HANDLE); + AssertReturn(pThat->u32Magic != RTDIR_MAGIC, VERR_INVALID_HANDLE); + } + + char szSrcPath[RTPATH_MAX]; + int rc = rtDirRelBuildFullPath(pThis, szSrcPath, sizeof(szSrcPath), pszSrc); + if (RT_SUCCESS(rc)) + { + char szDstPath[RTPATH_MAX]; + rc = rtDirRelBuildFullPath(pThis, szDstPath, sizeof(szDstPath), pszDst); + if (RT_SUCCESS(rc)) + rc = RTPathRename(szSrcPath, szDstPath, fRename); + } + return rc; +} + + +RTDECL(int) RTDirRelPathUnlink(RTDIR hDir, const char *pszRelPath, uint32_t fUnlink) +{ + PRTDIRINTERNAL pThis = hDir; + AssertPtrReturn(pThis, VERR_INVALID_HANDLE); + AssertReturn(pThis->u32Magic == RTDIR_MAGIC, VERR_INVALID_HANDLE); + + char szPath[RTPATH_MAX]; + int rc = rtDirRelBuildFullPath(pThis, szPath, sizeof(szPath), pszRelPath); + if (RT_SUCCESS(rc)) + rc = RTPathUnlink(szPath, fUnlink); + return rc; +} + + +/* + * + * RTSymlink stuff. + * RTSymlink stuff. + * RTSymlink stuff. + * + * + */ + + +RTDECL(int) RTDirRelSymlinkCreate(RTDIR hDir, const char *pszSymlink, const char *pszTarget, + RTSYMLINKTYPE enmType, uint32_t fCreate) +{ + PRTDIRINTERNAL pThis = hDir; + AssertPtrReturn(pThis, VERR_INVALID_HANDLE); + AssertReturn(pThis->u32Magic == RTDIR_MAGIC, VERR_INVALID_HANDLE); + + char szPath[RTPATH_MAX]; + int rc = rtDirRelBuildFullPath(pThis, szPath, sizeof(szPath), pszSymlink); + if (RT_SUCCESS(rc)) + rc = RTSymlinkCreate(szPath, pszTarget, enmType, fCreate); + return rc; +} + + +RTDECL(int) RTDirRelSymlinkRead(RTDIR hDir, const char *pszSymlink, char *pszTarget, size_t cbTarget, uint32_t fRead) +{ + PRTDIRINTERNAL pThis = hDir; + AssertPtrReturn(pThis, VERR_INVALID_HANDLE); + AssertReturn(pThis->u32Magic == RTDIR_MAGIC, VERR_INVALID_HANDLE); + + char szPath[RTPATH_MAX]; + int rc = rtDirRelBuildFullPath(pThis, szPath, sizeof(szPath), pszSymlink); + if (RT_SUCCESS(rc)) + rc = RTSymlinkRead(szPath, pszTarget, cbTarget, fRead); + return rc; +} + -- cgit v1.2.3