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/posix/fileio2-posix.cpp | 210 ++++++++++++++++++++++++++++ 1 file changed, 210 insertions(+) create mode 100644 src/VBox/Runtime/r3/posix/fileio2-posix.cpp (limited to 'src/VBox/Runtime/r3/posix/fileio2-posix.cpp') diff --git a/src/VBox/Runtime/r3/posix/fileio2-posix.cpp b/src/VBox/Runtime/r3/posix/fileio2-posix.cpp new file mode 100644 index 00000000..4879f51e --- /dev/null +++ b/src/VBox/Runtime/r3/posix/fileio2-posix.cpp @@ -0,0 +1,210 @@ +/* $Id: fileio2-posix.cpp $ */ +/** @file + * IPRT - File I/O, POSIX, Part 2. + */ + +/* + * 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_FILE + +#include +#include +#include +#ifdef _MSC_VER +# include +# include +#else +# include +# include +#endif +#ifdef RT_OS_LINUX +# include +#endif +#if defined(RT_OS_OS2) && (!defined(__INNOTEK_LIBC__) || __INNOTEK_LIBC__ < 0x006) +# include +#endif + +#ifdef RT_OS_SOLARIS +# define futimes(filedes, timeval) futimesat(filedes, NULL, timeval) +#endif + +#ifdef RT_OS_HAIKU +# define USE_FUTIMENS +#endif + +#include +#include +#include +#include +#include +#include +#include "internal/file.h" +#include "internal/fs.h" +#include "internal/path.h" + + + +RTR3DECL(int) RTFileQueryInfo(RTFILE hFile, PRTFSOBJINFO pObjInfo, RTFSOBJATTRADD enmAdditionalAttribs) +{ + /* + * Validate input. + */ + AssertReturn(hFile != NIL_RTFILE, VERR_INVALID_PARAMETER); + AssertPtrReturn(pObjInfo, VERR_INVALID_PARAMETER); + if ( enmAdditionalAttribs < RTFSOBJATTRADD_NOTHING + || enmAdditionalAttribs > RTFSOBJATTRADD_LAST) + { + AssertMsgFailed(("Invalid enmAdditionalAttribs=%p\n", enmAdditionalAttribs)); + return VERR_INVALID_PARAMETER; + } + + /* + * Query file info. + */ + struct stat Stat; + if (fstat(RTFileToNative(hFile), &Stat)) + { + int rc = RTErrConvertFromErrno(errno); + Log(("RTFileQueryInfo(%RTfile,,%d): returns %Rrc\n", hFile, enmAdditionalAttribs, rc)); + return rc; + } + + /* + * Setup the returned data. + */ + rtFsConvertStatToObjInfo(pObjInfo, &Stat, NULL, 0); + + /* + * Requested attributes (we cannot provide anything actually). + */ + switch (enmAdditionalAttribs) + { + case RTFSOBJATTRADD_NOTHING: + case RTFSOBJATTRADD_UNIX: + /* done */ + break; + + case RTFSOBJATTRADD_UNIX_OWNER: + rtFsObjInfoAttrSetUnixOwner(pObjInfo, Stat.st_uid); + break; + + case RTFSOBJATTRADD_UNIX_GROUP: + rtFsObjInfoAttrSetUnixGroup(pObjInfo, Stat.st_gid); + break; + + case RTFSOBJATTRADD_EASIZE: + pObjInfo->Attr.enmAdditional = RTFSOBJATTRADD_EASIZE; + pObjInfo->Attr.u.EASize.cb = 0; + break; + + default: + AssertMsgFailed(("Impossible!\n")); + return VERR_INTERNAL_ERROR; + } + + LogFlow(("RTFileQueryInfo(%RTfile,,%d): returns VINF_SUCCESS\n", hFile, enmAdditionalAttribs)); + return VINF_SUCCESS; +} + + +RTR3DECL(int) RTFileSetTimes(RTFILE hFile, PCRTTIMESPEC pAccessTime, PCRTTIMESPEC pModificationTime, + PCRTTIMESPEC pChangeTime, PCRTTIMESPEC pBirthTime) +{ + NOREF(pChangeTime); NOREF(pBirthTime); + + /* + * We can only set AccessTime and ModificationTime, so if neither + * are specified we can return immediately. + */ + if (!pAccessTime && !pModificationTime) + return VINF_SUCCESS; + +#ifdef USE_FUTIMENS + struct timespec aTimespecs[2]; + if (pAccessTime && pModificationTime) + { + memcpy(&aTimespecs[0], pAccessTime, sizeof(struct timespec)); + memcpy(&aTimespecs[1], pModificationTime, sizeof(struct timespec)); + } + else + { + RTFSOBJINFO ObjInfo; + int rc = RTFileQueryInfo(hFile, &ObjInfo, RTFSOBJATTRADD_UNIX); + if (RT_FAILURE(rc)) + return rc; + memcpy(&aTimespecs[0], pAccessTime ? pAccessTime : &ObjInfo.AccessTime, sizeof(struct timespec)); + memcpy(&aTimespecs[1], pModificationTime ? pModificationTime : &ObjInfo.ModificationTime, sizeof(struct timespec)); + } + + if (futimens(RTFileToNative(hFile), aTimespecs)) + { + int rc = RTErrConvertFromErrno(errno); + Log(("RTFileSetTimes(%RTfile,%p,%p,,): returns %Rrc\n", hFile, pAccessTime, pModificationTime, rc)); + return rc; + } +#else + /* + * Convert the input to timeval, getting the missing one if necessary, + * and call the API which does the change. + */ + struct timeval aTimevals[2]; + if (pAccessTime && pModificationTime) + { + RTTimeSpecGetTimeval(pAccessTime, &aTimevals[0]); + RTTimeSpecGetTimeval(pModificationTime, &aTimevals[1]); + } + else + { + RTFSOBJINFO ObjInfo; + int rc = RTFileQueryInfo(hFile, &ObjInfo, RTFSOBJATTRADD_UNIX); + if (RT_FAILURE(rc)) + return rc; + RTTimeSpecGetTimeval(pAccessTime ? pAccessTime : &ObjInfo.AccessTime, &aTimevals[0]); + RTTimeSpecGetTimeval(pModificationTime ? pModificationTime : &ObjInfo.ModificationTime, &aTimevals[1]); + } + + /* XXX this falls back to utimes("/proc/self/fd/...",...) for older kernels/glibcs and this + * will not work for hardened builds where this directory is owned by root.root and mode 0500 */ + if (futimes(RTFileToNative(hFile), aTimevals)) + { + int rc = RTErrConvertFromErrno(errno); + Log(("RTFileSetTimes(%RTfile,%p,%p,,): returns %Rrc\n", hFile, pAccessTime, pModificationTime, rc)); + return rc; + } +#endif + return VINF_SUCCESS; +} + -- cgit v1.2.3