diff options
Diffstat (limited to 'src/VBox/Runtime/r3/nt/fs-nt.cpp')
| -rw-r--r-- | src/VBox/Runtime/r3/nt/fs-nt.cpp | 279 |
1 files changed, 279 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r3/nt/fs-nt.cpp b/src/VBox/Runtime/r3/nt/fs-nt.cpp new file mode 100644 index 00000000..70add1ee --- /dev/null +++ b/src/VBox/Runtime/r3/nt/fs-nt.cpp @@ -0,0 +1,279 @@ +/* $Id: fs-nt.cpp $ */ +/** @file + * IPRT - File System, Native NT. + */ + +/* + * 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_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; +} + |