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-rw-r--r--src/VBox/Runtime/r3/nt/fs-nt.cpp269
1 files changed, 269 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r3/nt/fs-nt.cpp b/src/VBox/Runtime/r3/nt/fs-nt.cpp
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+++ b/src/VBox/Runtime/r3/nt/fs-nt.cpp
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+/* $Id: fs-nt.cpp $ */
+/** @file
+ * IPRT - File System, Native NT.
+ */
+
+/*
+ * Copyright (C) 2006-2020 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE 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.
+ */
+
+
+/*********************************************************************************************************************************
+* Header Files *
+*********************************************************************************************************************************/
+#define LOG_GROUP RTLOGGROUP_FS
+#include "internal-r3-nt.h"
+
+#include <iprt/fs.h>
+#include <iprt/file.h>
+#include <iprt/path.h>
+#include <iprt/string.h>
+#include <iprt/param.h>
+#include <iprt/errcore.h>
+#include <iprt/log.h>
+#include <iprt/assert.h>
+#include "internal/fs.h"
+
+
+
+
+RTR3DECL(int) RTFsQuerySizes(const char *pszFsPath, RTFOFF *pcbTotal, RTFOFF *pcbFree,
+ uint32_t *pcbBlock, uint32_t *pcbSector)
+{
+ AssertPtrReturn(pszFsPath, VERR_INVALID_POINTER);
+
+ /*
+ * Open the file/dir/whatever.
+ */
+ HANDLE hFile;
+ int rc = RTNtPathOpen(pszFsPath,
+ GENERIC_READ,
+ FILE_ATTRIBUTE_NORMAL,
+ FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
+ FILE_OPEN,
+ FILE_OPEN_FOR_BACKUP_INTENT,
+ OBJ_CASE_INSENSITIVE,
+ &hFile,
+ NULL);
+ if (RT_SUCCESS(rc))
+ {
+ RTFILE hIprtFile = NIL_RTFILE;
+ rc = RTFileFromNative(&hIprtFile, (RTHCINTPTR)hFile);
+ AssertRC(rc);
+ if (RT_SUCCESS(rc))
+ rc = RTFileQueryFsSizes(hIprtFile, pcbTotal, pcbFree, pcbBlock, pcbSector);
+
+ RTNtPathClose(hFile);
+ }
+ return rc;
+}
+
+
+RTR3DECL(int) RTFsQuerySerial(const char *pszFsPath, uint32_t *pu32Serial)
+{
+ /*
+ * Validate & get valid root path.
+ */
+ AssertPtrReturn(pszFsPath, VERR_INVALID_POINTER);
+ AssertPtrReturn(pu32Serial, VERR_INVALID_POINTER);
+
+ /*
+ * Open the file/dir/whatever.
+ */
+ HANDLE hFile;
+ int rc = RTNtPathOpen(pszFsPath,
+ GENERIC_READ,
+ FILE_ATTRIBUTE_NORMAL,
+ FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
+ FILE_OPEN,
+ FILE_OPEN_FOR_BACKUP_INTENT,
+ OBJ_CASE_INSENSITIVE,
+ &hFile,
+ NULL);
+ if (RT_SUCCESS(rc))
+ {
+ /*
+ * Get the volume information.
+ */
+ union
+ {
+ FILE_FS_VOLUME_INFORMATION FsVolInfo;
+ uint8_t abBuf[sizeof(FILE_FS_VOLUME_INFORMATION) + 4096];
+ } u;
+ IO_STATUS_BLOCK Ios = RTNT_IO_STATUS_BLOCK_INITIALIZER;
+ NTSTATUS rcNt = NtQueryVolumeInformationFile(hFile, &Ios, &u, sizeof(u), FileFsVolumeInformation);
+ if (NT_SUCCESS(rcNt))
+ *pu32Serial = u.FsVolInfo.VolumeSerialNumber;
+ else
+ rc = RTErrConvertFromNtStatus(rcNt);
+
+ RTNtPathClose(hFile);
+ }
+ return rc;
+}
+
+
+RTR3DECL(int) RTFsQueryProperties(const char *pszFsPath, PRTFSPROPERTIES pProperties)
+{
+ /*
+ * Validate & get valid root path.
+ */
+ AssertPtrReturn(pszFsPath, VERR_INVALID_POINTER);
+ AssertPtrReturn(pProperties, VERR_INVALID_POINTER);
+
+ /*
+ * Open the file/dir/whatever.
+ */
+ HANDLE hFile;
+ int rc = RTNtPathOpen(pszFsPath,
+ GENERIC_READ,
+ FILE_ATTRIBUTE_NORMAL,
+ FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
+ FILE_OPEN,
+ FILE_OPEN_FOR_BACKUP_INTENT,
+ OBJ_CASE_INSENSITIVE,
+ &hFile,
+ NULL);
+ if (RT_SUCCESS(rc))
+ {
+ /*
+ * Get the volume information.
+ */
+ union
+ {
+ FILE_FS_ATTRIBUTE_INFORMATION FsAttrInfo;
+ uint8_t abBuf[sizeof(FILE_FS_ATTRIBUTE_INFORMATION) + 4096];
+ } u;
+ IO_STATUS_BLOCK Ios = RTNT_IO_STATUS_BLOCK_INITIALIZER;
+ NTSTATUS rcNt = NtQueryVolumeInformationFile(hFile, &Ios, &u, sizeof(u), FileFsAttributeInformation);
+ if (NT_SUCCESS(rcNt))
+ {
+ FILE_FS_DEVICE_INFORMATION FsDevInfo;
+ rcNt = NtQueryVolumeInformationFile(hFile, &Ios, &FsDevInfo, sizeof(FsDevInfo), FileFsDeviceInformation);
+ if (NT_SUCCESS(rcNt))
+ {
+ /*
+ * Fill in the return structure.
+ */
+ memset(pProperties, 0, sizeof(*pProperties));
+ pProperties->cbMaxComponent = u.FsAttrInfo.MaximumComponentNameLength;
+ pProperties->fFileCompression = !!(u.FsAttrInfo.FileSystemAttributes & FILE_FILE_COMPRESSION);
+ pProperties->fCompressed = !!(u.FsAttrInfo.FileSystemAttributes & FILE_VOLUME_IS_COMPRESSED);
+ pProperties->fReadOnly = !!(u.FsAttrInfo.FileSystemAttributes & FILE_READ_ONLY_VOLUME);
+ pProperties->fSupportsUnicode = !!(u.FsAttrInfo.FileSystemAttributes & FILE_UNICODE_ON_DISK);
+ pProperties->fCaseSensitive = false; /* win32 is case preserving only */
+ /** @todo r=bird: What about FILE_CASE_SENSITIVE_SEARCH ? Is this set for NTFS
+ * as well perchance? If so, better mention it instead of just setting
+ * fCaseSensitive to false. */
+
+ /* figure the remote stuff */
+ pProperties->fRemote = RT_BOOL(FsDevInfo.Characteristics & FILE_REMOTE_DEVICE);
+ }
+ else
+ rc = RTErrConvertFromNtStatus(rcNt);
+ }
+ else
+ rc = RTErrConvertFromNtStatus(rcNt);
+
+ RTNtPathClose(hFile);
+ }
+ return rc;
+}
+
+
+RTR3DECL(bool) RTFsIsCaseSensitive(const char *pszFsPath)
+{
+ RT_NOREF_PV(pszFsPath);
+ return false;
+}
+
+
+int rtNtQueryFsType(HANDLE hHandle, PRTFSTYPE penmType)
+{
+ /*
+ * Get the file system name.
+ */
+ union
+ {
+ FILE_FS_ATTRIBUTE_INFORMATION FsAttrInfo;
+ uint8_t abBuf[sizeof(FILE_FS_ATTRIBUTE_INFORMATION) + 4096];
+ } u;
+ IO_STATUS_BLOCK Ios = RTNT_IO_STATUS_BLOCK_INITIALIZER;
+ NTSTATUS rcNt = NtQueryVolumeInformationFile(hHandle, &Ios, &u, sizeof(u), FileFsAttributeInformation);
+ if (NT_SUCCESS(rcNt))
+ {
+#define IS_FS(a_szName) rtNtCompWideStrAndAscii(u.FsAttrInfo.FileSystemName, u.FsAttrInfo.FileSystemNameLength, RT_STR_TUPLE(a_szName))
+ if (IS_FS("NTFS"))
+ *penmType = RTFSTYPE_NTFS;
+ else if (IS_FS("FAT"))
+ *penmType = RTFSTYPE_FAT;
+ else if (IS_FS("FAT32"))
+ *penmType = RTFSTYPE_FAT;
+ else if (IS_FS("exFAT"))
+ *penmType = RTFSTYPE_EXFAT;
+ else if (IS_FS("UDF"))
+ *penmType = RTFSTYPE_UDF;
+ else if (IS_FS("CDFS"))
+ *penmType = RTFSTYPE_ISO9660;
+ else if (IS_FS("HPFS"))
+ *penmType = RTFSTYPE_HPFS;
+ else if (IS_FS("ReFS")) /** @todo verify ReFS signature. */
+ *penmType = RTFSTYPE_REFS;
+ else if (IS_FS("VBoxSharedFolderFS"))
+ *penmType = RTFSTYPE_VBOXSHF;
+#undef IS_FS
+ return VINF_SUCCESS;
+ }
+
+ *penmType = RTFSTYPE_UNKNOWN;
+ return RTErrConvertFromNtStatus(rcNt);
+}
+
+
+RTR3DECL(int) RTFsQueryType(const char *pszFsPath, PRTFSTYPE penmType)
+{
+ /*
+ * Validate input.
+ */
+ *penmType = RTFSTYPE_UNKNOWN;
+ AssertPtrReturn(pszFsPath, VERR_INVALID_POINTER);
+ AssertReturn(*pszFsPath, VERR_INVALID_PARAMETER);
+
+ /*
+ * Open the file/dir/whatever.
+ */
+ HANDLE hFile;
+ int rc = RTNtPathOpen(pszFsPath,
+ GENERIC_READ,
+ FILE_ATTRIBUTE_NORMAL,
+ FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
+ FILE_OPEN,
+ FILE_OPEN_FOR_BACKUP_INTENT,
+ OBJ_CASE_INSENSITIVE,
+ &hFile,
+ NULL);
+ if (RT_SUCCESS(rc))
+ {
+ rc = rtNtQueryFsType(hFile, penmType);
+ RTNtPathClose(hFile);
+ }
+ return rc;
+}
+
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