/* $Id: fs2-posix.cpp $ */ /** @file * IPRT - File System Helpers, POSIX, Part 2. */ /* * Copyright (C) 2006-2022 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 RTTIME_INCL_TIMESPEC #include #include #ifndef DEV_BSIZE # include # if defined(RT_OS_HAIKU) && !defined(S_BLKSIZE) # define S_BLKSIZE 512 # endif # define DEV_BSIZE S_BLKSIZE /** @todo bird: add DEV_BSIZE to sys/param.h on OS/2. */ #endif #include #include "internal/iprt.h" #include #include #include "internal/fs.h" /** * Internal worker function which setups RTFSOBJINFO based on a UNIX stat struct. * * @param pObjInfo The file system object info structure to setup. * @param pStat The stat structure to use. * @param pszName The filename which this applies to (exe/hidden check). * @param cbName The length of that filename. (optional, set 0) */ void rtFsConvertStatToObjInfo(PRTFSOBJINFO pObjInfo, const struct stat *pStat, const char *pszName, unsigned cbName) { pObjInfo->cbObject = pStat->st_size; pObjInfo->cbAllocated = pStat->st_blocks * DEV_BSIZE; #ifdef HAVE_STAT_NSEC RTTimeSpecAddNano(RTTimeSpecSetSeconds(&pObjInfo->AccessTime, pStat->st_atime), pStat->st_atimensec); RTTimeSpecAddNano(RTTimeSpecSetSeconds(&pObjInfo->ModificationTime, pStat->st_mtime), pStat->st_mtimensec); RTTimeSpecAddNano(RTTimeSpecSetSeconds(&pObjInfo->ChangeTime, pStat->st_ctime), pStat->st_ctimensec); # ifdef HAVE_STAT_BIRTHTIME RTTimeSpecAddNano(RTTimeSpecSetSeconds(&pObjInfo->BirthTime, pStat->st_birthtime), pStat->st_birthtimensec); # endif #elif defined(HAVE_STAT_TIMESPEC_BRIEF) RTTimeSpecSetTimespec(&pObjInfo->AccessTime, &pStat->st_atim); RTTimeSpecSetTimespec(&pObjInfo->ModificationTime, &pStat->st_mtim); RTTimeSpecSetTimespec(&pObjInfo->ChangeTime, &pStat->st_ctim); # ifdef HAVE_STAT_BIRTHTIME RTTimeSpecSetTimespec(&pObjInfo->BirthTime, &pStat->st_birthtim); # endif #elif defined(HAVE_STAT_TIMESPEC) RTTimeSpecSetTimespec(&pObjInfo->AccessTime, pStat->st_atimespec); RTTimeSpecSetTimespec(&pObjInfo->ModificationTime, pStat->st_mtimespec); RTTimeSpecSetTimespec(&pObjInfo->ChangeTime, pStat->st_ctimespec); # ifdef HAVE_STAT_BIRTHTIME RTTimeSpecSetTimespec(&pObjInfo->BirthTime, pStat->st_birthtimespec); # endif #else /* just the normal stuff */ RTTimeSpecSetSeconds(&pObjInfo->AccessTime, pStat->st_atime); RTTimeSpecSetSeconds(&pObjInfo->ModificationTime, pStat->st_mtime); RTTimeSpecSetSeconds(&pObjInfo->ChangeTime, pStat->st_ctime); # ifdef HAVE_STAT_BIRTHTIME RTTimeSpecSetSeconds(&pObjInfo->BirthTime, pStat->st_birthtime); # endif #endif #ifndef HAVE_STAT_BIRTHTIME pObjInfo->BirthTime = pObjInfo->ChangeTime; #endif /* the file mode */ RTFMODE fMode = pStat->st_mode & RTFS_UNIX_MASK; Assert(RTFS_UNIX_ISUID == S_ISUID); Assert(RTFS_UNIX_ISGID == S_ISGID); #ifdef S_ISTXT Assert(RTFS_UNIX_ISTXT == S_ISTXT); #elif defined(S_ISVTX) Assert(RTFS_UNIX_ISTXT == S_ISVTX); #else #error "S_ISVTX / S_ISTXT isn't defined" #endif Assert(RTFS_UNIX_IRWXU == S_IRWXU); Assert(RTFS_UNIX_IRUSR == S_IRUSR); Assert(RTFS_UNIX_IWUSR == S_IWUSR); Assert(RTFS_UNIX_IXUSR == S_IXUSR); Assert(RTFS_UNIX_IRWXG == S_IRWXG); Assert(RTFS_UNIX_IRGRP == S_IRGRP); Assert(RTFS_UNIX_IWGRP == S_IWGRP); Assert(RTFS_UNIX_IXGRP == S_IXGRP); Assert(RTFS_UNIX_IRWXO == S_IRWXO); Assert(RTFS_UNIX_IROTH == S_IROTH); Assert(RTFS_UNIX_IWOTH == S_IWOTH); Assert(RTFS_UNIX_IXOTH == S_IXOTH); Assert(RTFS_TYPE_FIFO == S_IFIFO); Assert(RTFS_TYPE_DEV_CHAR == S_IFCHR); Assert(RTFS_TYPE_DIRECTORY == S_IFDIR); Assert(RTFS_TYPE_DEV_BLOCK == S_IFBLK); Assert(RTFS_TYPE_FILE == S_IFREG); Assert(RTFS_TYPE_SYMLINK == S_IFLNK); Assert(RTFS_TYPE_SOCKET == S_IFSOCK); #ifdef S_IFWHT Assert(RTFS_TYPE_WHITEOUT == S_IFWHT); #endif Assert(RTFS_TYPE_MASK == S_IFMT); pObjInfo->Attr.fMode = rtFsModeFromUnix(fMode, pszName, cbName, 0); /* additional unix attribs */ pObjInfo->Attr.enmAdditional = RTFSOBJATTRADD_UNIX; pObjInfo->Attr.u.Unix.uid = pStat->st_uid; pObjInfo->Attr.u.Unix.gid = pStat->st_gid; pObjInfo->Attr.u.Unix.cHardlinks = pStat->st_nlink; pObjInfo->Attr.u.Unix.INodeIdDevice = pStat->st_dev; pObjInfo->Attr.u.Unix.INodeId = pStat->st_ino; #ifdef HAVE_STAT_FLAGS pObjInfo->Attr.u.Unix.fFlags = pStat->st_flags; #else pObjInfo->Attr.u.Unix.fFlags = 0; #endif #ifdef HAVE_STAT_GEN pObjInfo->Attr.u.Unix.GenerationId = pStat->st_gen; #else pObjInfo->Attr.u.Unix.GenerationId = 0; #endif pObjInfo->Attr.u.Unix.Device = pStat->st_rdev; }