1 files changed, 210 insertions, 0 deletions
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 <https://www.gnu.org/licenses>.
+ *
+ * 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 <errno.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#ifdef _MSC_VER
+# include <io.h>
+# include <stdio.h>
+#else
+# include <unistd.h>
+# include <sys/time.h>
+#endif
+#ifdef RT_OS_LINUX
+# include <sys/file.h>
+#endif
+#if defined(RT_OS_OS2) && (!defined(__INNOTEK_LIBC__) || __INNOTEK_LIBC__ < 0x006)
+# include <io.h>
+#endif
+
+#ifdef RT_OS_SOLARIS
+# define futimes(filedes, timeval)   futimesat(filedes, NULL, timeval)
+#endif
+
+#ifdef RT_OS_HAIKU
+# define USE_FUTIMENS
+#endif
+
+#include <iprt/file.h>
+#include <iprt/path.h>
+#include <iprt/assert.h>
+#include <iprt/string.h>
+#include <iprt/errcore.h>
+#include <iprt/log.h>
+#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;
+}
+