Commit 04809172 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'v7.1-rc-part1-ksmbd-srv-fixes' of git://git.samba.org/ksmbd 

Pull smb server updates from Steve French:

 - smbdirect double free fixes

 - Add some smbdirect logging

 - Minor cleanup in crypto, and smbdirect and in IPC handling

 - Minor cleanup to move header info to common FSCC code

 - Fix crypt message use after free

 - Fix memory leak in session setup

 - Fix for DACL parsing

 - Fix EA name length validation

 - Reconnect fix

 - Fix use after free in close

* tag 'v7.1-rc-part1-ksmbd-srv-fixes' of git://git.samba.org/ksmbd:
  smb: smbdirect: add some logging to SMBDIRECT_CHECK_STATUS_{WARN,DISCONNECT}()
  smb: smbdirect: introduce smbdirect_socket.logging infrastructure
  smb: smbdirect: let smbdirect.h include #include <linux/types.h>
  smb: server: avoid double-free in smb_direct_free_sendmsg after smb_direct_flush_send_list()
  smb: client: avoid double-free in smbd_free_send_io() after smbd_send_batch_flush()
  ksmbd: fix use-after-free from async crypto on Qualcomm crypto engine
  ksmbd: fix mechToken leak when SPNEGO decode fails after token alloc
  ksmbd: require 3 sub-authorities before reading sub_auth[2]
  ksmbd: validate EaNameLength in smb2_get_ea()
  ksmbd: Remove unnecessary selection of CRYPTO_ECB
  ksmbd: validate owner of durable handle on reconnect
  ksmbd: fix use-after-free in __ksmbd_close_fd() via durable scavenger
  ksmbd: ipc: use kzalloc_flex and __counted_by
  smb: move filesystem_vol_info into common/fscc.h
  smb: move file_basic_info into common/fscc.h
  smb: move some definitions from common/smb2pdu.h into common/fscc.h
parents 4da0dd95 2de35d99

fs/smb/client/smb1pdu.h

+0 −9
Original line number Diff line number Diff line
@@ -2061,15 +2061,6 @@ typedef struct { 
	__le32 EASize;

} __packed FILE_INFO_STANDARD;  /* level 1 SetPath/FileInfo */



typedef struct {

	__le64 CreationTime;

	__le64 LastAccessTime;

	__le64 LastWriteTime;

	__le64 ChangeTime;

	__le32 Attributes;

	__u32 Pad;

} __packed FILE_BASIC_INFO;	/* size info, level 0x101 */



struct file_allocation_info {

	__le64 AllocationSize; /* Note old Samba srvr rounds this up too much */

} __packed; /* size used on disk, for level 0x103 for set, 0x105 for query */

fs/smb/client/smb2pdu.c

+4 −4
Original line number Diff line number Diff line
@@ -6147,8 +6147,8 @@ SMB2_QFS_attr(const unsigned int xid, struct cifs_tcon *tcon, 
		max_len = sizeof(struct smb3_fs_ss_info);

		min_len = sizeof(struct smb3_fs_ss_info);

	} else if (level == FS_VOLUME_INFORMATION) {

		max_len = sizeof(struct smb3_fs_vol_info) + MAX_VOL_LABEL_LEN;

		min_len = sizeof(struct smb3_fs_vol_info);

		max_len = sizeof(struct filesystem_vol_info) + MAX_VOL_LABEL_LEN;

		min_len = sizeof(struct filesystem_vol_info);

	} else {

		cifs_dbg(FYI, "Invalid qfsinfo level %d\n", level);

		return -EINVAL;
@@ -6203,9 +6203,9 @@ SMB2_QFS_attr(const unsigned int xid, struct cifs_tcon *tcon, 
		tcon->perf_sector_size =

			le32_to_cpu(ss_info->PhysicalBytesPerSectorForPerf);

	} else if (level == FS_VOLUME_INFORMATION) {

		struct smb3_fs_vol_info *vol_info = (struct smb3_fs_vol_info *)

		struct filesystem_vol_info *vol_info = (struct filesystem_vol_info *)

			(offset + (char *)rsp);

		tcon->vol_serial_number = vol_info->VolumeSerialNumber;

		tcon->vol_serial_number = le32_to_cpu(vol_info->VolumeSerialNumber);

		tcon->vol_create_time = vol_info->VolumeCreationTime;

	}

fs/smb/client/smbdirect.c

+8 −0
Original line number Diff line number Diff line
@@ -1551,17 +1551,25 @@ static int smbd_post_send_iter(struct smbdirect_socket *sc, 


	rc = smbd_post_send(sc, batch, request);

	if (!rc) {

		/*

		 * From here request is moved to batch

		 * and we should not free it explicitly.

		 */



		if (batch != &_batch)

			return 0;



		rc = smbd_send_batch_flush(sc, batch, true);

		if (!rc)

			return 0;



		goto err_flush;

	}



err_dma:

	smbd_free_send_io(request);



err_flush:

err_alloc:

	atomic_inc(&sc->send_io.credits.count);

	wake_up(&sc->send_io.credits.wait_queue);

fs/smb/common/fscc.h

+336 −0
Original line number Diff line number Diff line
@@ -12,6 +12,220 @@ 
#ifndef _COMMON_SMB_FSCC_H

#define _COMMON_SMB_FSCC_H



/* Reparse structures - see MS-FSCC 2.1.2 */



/* struct fsctl_reparse_info_req is empty, only response structs (see below) */

struct reparse_data_buffer {

	__le32	ReparseTag;

	__le16	ReparseDataLength;

	__u16	Reserved;

	__u8	DataBuffer[]; /* Variable Length */

} __packed;



struct reparse_guid_data_buffer {

	__le32	ReparseTag;

	__le16	ReparseDataLength;

	__u16	Reserved;

	__u8	ReparseGuid[16];

	__u8	DataBuffer[]; /* Variable Length */

} __packed;



struct reparse_mount_point_data_buffer {

	__le32	ReparseTag;

	__le16	ReparseDataLength;

	__u16	Reserved;

	__le16	SubstituteNameOffset;

	__le16	SubstituteNameLength;

	__le16	PrintNameOffset;

	__le16	PrintNameLength;

	__u8	PathBuffer[]; /* Variable Length */

} __packed;



#define SYMLINK_FLAG_RELATIVE 0x00000001



struct reparse_symlink_data_buffer {

	__le32	ReparseTag;

	__le16	ReparseDataLength;

	__u16	Reserved;

	__le16	SubstituteNameOffset;

	__le16	SubstituteNameLength;

	__le16	PrintNameOffset;

	__le16	PrintNameLength;

	__le32	Flags;

	__u8	PathBuffer[]; /* Variable Length */

} __packed;



/* For IO_REPARSE_TAG_NFS - see MS-FSCC 2.1.2.6 */

#define NFS_SPECFILE_LNK	0x00000000014B4E4C

#define NFS_SPECFILE_CHR	0x0000000000524843

#define NFS_SPECFILE_BLK	0x00000000004B4C42

#define NFS_SPECFILE_FIFO	0x000000004F464946

#define NFS_SPECFILE_SOCK	0x000000004B434F53

struct reparse_nfs_data_buffer {

	__le32	ReparseTag;

	__le16	ReparseDataLength;

	__u16	Reserved;

	__le64	InodeType; /* NFS_SPECFILE_* */

	__u8	DataBuffer[];

} __packed;



/* For IO_REPARSE_TAG_LX_SYMLINK - see MS-FSCC 2.1.2.7 */

struct reparse_wsl_symlink_data_buffer {

	__le32	ReparseTag;

	__le16	ReparseDataLength;

	__u16	Reserved;

	__le32	Version; /* Always 2 */

	__u8	Target[]; /* Variable Length UTF-8 string without nul-term */

} __packed;



/* See MS-FSCC 2.3.7 */

struct duplicate_extents_to_file {

	__u64 PersistentFileHandle; /* source file handle, opaque endianness */

	__u64 VolatileFileHandle;

	__le64 SourceFileOffset;

	__le64 TargetFileOffset;

	__le64 ByteCount;  /* Bytes to be copied */

} __packed;



/* See MS-FSCC 2.3.9 */

#define DUPLICATE_EXTENTS_DATA_EX_SOURCE_ATOMIC	0x00000001

struct duplicate_extents_to_file_ex {

	__le64 StructureSize; /* MUST be set to 0x30 */

	__u64 PersistentFileHandle; /* source file handle, opaque endianness */

	__u64 VolatileFileHandle;

	__le64 SourceFileOffset;

	__le64 TargetFileOffset;

	__le64 ByteCount;  /* Bytes to be copied */

	__le32 Flags;

	__le32 Reserved;

} __packed;



/* See MS-FSCC 2.3.20 */

struct fsctl_get_integrity_information_rsp {

	__le16	ChecksumAlgorithm;

	__le16	Reserved;

	__le32	Flags;

	__le32	ChecksumChunkSizeInBytes;

	__le32	ClusterSizeInBytes;

} __packed;



/* See MS-FSCC 2.3.52 */

struct file_allocated_range_buffer {

	__le64	file_offset;

	__le64	length;

} __packed;



/* See MS-FSCC 2.3.55 */

struct fsctl_query_file_regions_req {

	__le64	FileOffset;

	__le64	Length;

	__le32	DesiredUsage;

	__le32	Reserved;

} __packed;



/* DesiredUsage flags see MS-FSCC 2.3.56.1 */

#define FILE_USAGE_INVALID_RANGE	0x00000000

#define FILE_USAGE_VALID_CACHED_DATA	0x00000001

#define FILE_USAGE_NONCACHED_DATA	0x00000002

struct file_region_info {

	__le64	FileOffset;

	__le64	Length;

	__le32	DesiredUsage;

	__le32	Reserved;

} __packed;



/* See MS-FSCC 2.3.56 */

struct fsctl_query_file_region_rsp {

	__le32 Flags;

	__le32 TotalRegionEntryCount;

	__le32 RegionEntryCount;

	__u32  Reserved;

	struct  file_region_info Regions[];

} __packed;



/* See MS-FSCC 2.3.58 */

struct fsctl_query_on_disk_vol_info_rsp {

	__le64	DirectoryCount;

	__le64	FileCount;

	__le16	FsFormatMajVersion;

	__le16	FsFormatMinVersion;

	__u8	FsFormatName[24];

	__le64	FormatTime;

	__le64	LastUpdateTime;

	__u8	CopyrightInfo[68];

	__u8	AbstractInfo[68];

	__u8	FormatImplInfo[68];

	__u8	LastModifyImplInfo[68];

} __packed;



/* See MS-FSCC 2.3.73 */

struct fsctl_set_integrity_information_req {

	__le16	ChecksumAlgorithm;

	__le16	Reserved;

	__le32	Flags;

} __packed;



/* See MS-FSCC 2.3.75 */

struct fsctl_set_integrity_info_ex_req {

	__u8	EnableIntegrity;

	__u8	KeepState;

	__u16	Reserved;

	__le32	Flags;

	__u8	Version;

	__u8	Reserved2[7];

} __packed;



/*

 * this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA

 * See MS-FSCC 2.3.85

 */

struct file_zero_data_information {

	__le64	FileOffset;

	__le64	BeyondFinalZero;

} __packed;



/*

 * This level 18, although with struct with same name is different from cifs

 * level 0x107. Level 0x107 has an extra u64 between AccessFlags and

 * CurrentByteOffset.

 * See MS-FSCC 2.4.2

 */

struct smb2_file_all_info { /* data block encoding of response to level 18 */

	__le64 CreationTime;	/* Beginning of FILE_BASIC_INFO equivalent */

	__le64 LastAccessTime;

	__le64 LastWriteTime;

	__le64 ChangeTime;

	__le32 Attributes;

	__u32  Pad1;		/* End of FILE_BASIC_INFO_INFO equivalent */

	__le64 AllocationSize;	/* Beginning of FILE_STANDARD_INFO equivalent */

	__le64 EndOfFile;	/* size ie offset to first free byte in file */

	__le32 NumberOfLinks;	/* hard links */

	__u8   DeletePending;

	__u8   Directory;

	__u16  Pad2;		/* End of FILE_STANDARD_INFO equivalent */

	__le64 IndexNumber;

	__le32 EASize;

	__le32 AccessFlags;

	__le64 CurrentByteOffset;

	__le32 Mode;

	__le32 AlignmentRequirement;

	__le32 FileNameLength;

	union {

		char __pad;	/* Legacy structure padding */

		DECLARE_FLEX_ARRAY(char, FileName);

	};

} __packed; /* level 18 Query */



/* See MS-FSCC 2.4.7 */

typedef struct file_basic_info { /* data block encoding of response to level 18 */

	__le64 CreationTime;

	__le64 LastAccessTime;

	__le64 LastWriteTime;

	__le64 ChangeTime;

	__le32 Attributes;

	__u32  Pad;

} __packed FILE_BASIC_INFO;	/* size info, level 0x101 */



/* See MS-FSCC 2.4.8 */

typedef struct {

	__le32 NextEntryOffset;
@@ -46,6 +260,11 @@ typedef struct { 
	char FileName[];

} __packed FILE_DIRECTORY_INFO;   /* level 0x101 FF resp data */



/* See MS-FSCC 2.4.13 */

struct smb2_file_eof_info { /* encoding of request for level 10 */

	__le64 EndOfFile; /* new end of file value */

} __packed; /* level 20 Set */



/* See MS-FSCC 2.4.14 */

typedef struct {

	__le32 NextEntryOffset;
@@ -80,6 +299,26 @@ typedef struct { 
	char FileName[];

} __packed FILE_ID_FULL_DIR_INFO; /* level 0x105 FF rsp data */



/* See MS-FSCC 2.4.27 */

struct smb2_file_internal_info {

	__le64 IndexNumber;

} __packed; /* level 6 Query */



/* See MS-FSCC 2.4.28.2 */

struct smb2_file_link_info { /* encoding of request for level 11 */

	/* New members MUST be added within the struct_group() macro below. */

	__struct_group(smb2_file_link_info_hdr, __hdr, __packed,

		__u8   ReplaceIfExists; /* 1 = replace existing link with new */

					/* 0 = fail if link already exists */

		__u8   Reserved[7];

		__u64  RootDirectory;  /* MBZ for network operations (why says spec?) */

		__le32 FileNameLength;

	);

	char   FileName[];     /* Name to be assigned to new link */

} __packed; /* level 11 Set */

static_assert(offsetof(struct smb2_file_link_info, FileName) == sizeof(struct smb2_file_link_info_hdr),

	      "struct member likely outside of __struct_group()");



/* See MS-FSCC 2.4.34 */

struct smb2_file_network_open_info {

	struct_group_attr(network_open_info, __packed,
@@ -94,6 +333,37 @@ struct smb2_file_network_open_info { 
	__le32 Reserved;

} __packed; /* level 34 Query also similar returned in close rsp and open rsp */



/* See MS-FSCC 2.4.42.2 */

struct smb2_file_rename_info { /* encoding of request for level 10 */

	/* New members MUST be added within the struct_group() macro below. */

	__struct_group(smb2_file_rename_info_hdr, __hdr, __packed,

		__u8   ReplaceIfExists; /* 1 = replace existing target with new */

					/* 0 = fail if target already exists */

		__u8   Reserved[7];

		__u64  RootDirectory;  /* MBZ for network operations (why says spec?) */

		__le32 FileNameLength;

	);

	char   FileName[];     /* New name to be assigned */

	/* padding - overall struct size must be >= 24 so filename + pad >= 6 */

} __packed; /* level 10 Set */

static_assert(offsetof(struct smb2_file_rename_info, FileName) == sizeof(struct smb2_file_rename_info_hdr),

	      "struct member likely outside of __struct_group()");



/* File System Information Classes */

/* See MS-FSCC 2.5 */

#define FS_VOLUME_INFORMATION		1 /* Query */

#define FS_LABEL_INFORMATION		2 /* Set */

#define FS_SIZE_INFORMATION		3 /* Query */

#define FS_DEVICE_INFORMATION		4 /* Query */

#define FS_ATTRIBUTE_INFORMATION	5 /* Query */

#define FS_CONTROL_INFORMATION		6 /* Query, Set */

#define FS_FULL_SIZE_INFORMATION	7 /* Query */

#define FS_OBJECT_ID_INFORMATION	8 /* Query, Set */

#define FS_DRIVER_PATH_INFORMATION	9 /* Query */

#define FS_SECTOR_SIZE_INFORMATION	11 /* SMB3 or later. Query */

/* See POSIX Extensions to MS-FSCC 2.3.1.1 */

#define FS_POSIX_INFORMATION		100 /* SMB3.1.1 POSIX. Query */



/* See MS-FSCC 2.5.1 */

#define MAX_FS_NAME_LEN		52

typedef struct {
@@ -130,6 +400,45 @@ typedef struct { 
#define FILE_CASE_PRESERVED_NAMES	0x00000002

#define FILE_CASE_SENSITIVE_SEARCH	0x00000001



/*

 * File System Control Information

 * See MS-FSCC 2.5.2

 */

struct smb2_fs_control_info {

	__le64 FreeSpaceStartFiltering;

	__le64 FreeSpaceThreshold;

	__le64 FreeSpaceStopFiltering;

	__le64 DefaultQuotaThreshold;

	__le64 DefaultQuotaLimit;

	__le32 FileSystemControlFlags;

	__le32 Padding;

} __packed;



/* See MS-FSCC 2.5.4 */

struct smb2_fs_full_size_info {

	__le64 TotalAllocationUnits;

	__le64 CallerAvailableAllocationUnits;

	__le64 ActualAvailableAllocationUnits;

	__le32 SectorsPerAllocationUnit;

	__le32 BytesPerSector;

} __packed;



/* See MS-FSCC 2.5.7 */

#define SSINFO_FLAGS_ALIGNED_DEVICE		0x00000001

#define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002

#define SSINFO_FLAGS_NO_SEEK_PENALTY		0x00000004

#define SSINFO_FLAGS_TRIM_ENABLED		0x00000008

/* sector size info struct */

struct smb3_fs_ss_info {

	__le32 LogicalBytesPerSector;

	__le32 PhysicalBytesPerSectorForAtomicity;

	__le32 PhysicalBytesPerSectorForPerf;

	__le32 FSEffPhysicalBytesPerSectorForAtomicity;

	__le32 Flags;

	__le32 ByteOffsetForSectorAlignment;

	__le32 ByteOffsetForPartitionAlignment;

} __packed;



/* See MS-FSCC 2.5.8 */

typedef struct {

	__le64 TotalAllocationUnits;
@@ -138,6 +447,17 @@ typedef struct { 
	__le32 BytesPerSector;

} __packed FILE_SYSTEM_SIZE_INFO;	/* size info, level 0x103 */



/* volume info struct - see MS-FSCC 2.5.9 */

#define MAX_VOL_LABEL_LEN	32

struct filesystem_vol_info {

	__le64	VolumeCreationTime;

	__le32	VolumeSerialNumber;

	__le32	VolumeLabelLength; /* includes trailing null */

	__u8	SupportsObjects; /* True if eg like NTFS, supports objects */

	__u8	Reserved;

	__u8	VolumeLabel[]; /* variable len */

} __packed;



/* See MS-FSCC 2.5.10 */

typedef struct {

	__le32 DeviceType;
@@ -189,6 +509,22 @@ typedef struct { 
#define FILE_ATTRIBUTE_NO_SCRUB_DATA_LE		cpu_to_le32(FILE_ATTRIBUTE_NO_SCRUB_DATA)

#define FILE_ATTRIBUTE_MASK_LE			cpu_to_le32(FILE_ATTRIBUTE_MASK)



/*

 * SMB2 Notify Action Flags

 * See MS-FSCC 2.7.1

 */

#define FILE_ACTION_ADDED                       0x00000001

#define FILE_ACTION_REMOVED                     0x00000002

#define FILE_ACTION_MODIFIED                    0x00000003

#define FILE_ACTION_RENAMED_OLD_NAME            0x00000004

#define FILE_ACTION_RENAMED_NEW_NAME            0x00000005

#define FILE_ACTION_ADDED_STREAM                0x00000006

#define FILE_ACTION_REMOVED_STREAM              0x00000007

#define FILE_ACTION_MODIFIED_STREAM             0x00000008

#define FILE_ACTION_REMOVED_BY_DELETE           0x00000009

#define FILE_ACTION_ID_NOT_TUNNELLED            0x0000000A

#define FILE_ACTION_TUNNELLED_ID_COLLISION      0x0000000B



/*

 * Response contains array of the following structures

 * See MS-FSCC 2.7.1

fs/smb/common/smb2pdu.h

+0 −318
Original line number Diff line number Diff line
@@ -1006,22 +1006,6 @@ struct smb2_set_info_rsp { 
#define FILE_NOTIFY_CHANGE_STREAM_SIZE		0x00000400

#define FILE_NOTIFY_CHANGE_STREAM_WRITE		0x00000800



/*

 * SMB2 Notify Action Flags

 * See MS-FSCC 2.7.1

 */

#define FILE_ACTION_ADDED                       0x00000001

#define FILE_ACTION_REMOVED                     0x00000002

#define FILE_ACTION_MODIFIED                    0x00000003

#define FILE_ACTION_RENAMED_OLD_NAME            0x00000004

#define FILE_ACTION_RENAMED_NEW_NAME            0x00000005

#define FILE_ACTION_ADDED_STREAM                0x00000006

#define FILE_ACTION_REMOVED_STREAM              0x00000007

#define FILE_ACTION_MODIFIED_STREAM             0x00000008

#define FILE_ACTION_REMOVED_BY_DELETE           0x00000009

#define FILE_ACTION_ID_NOT_TUNNELLED            0x0000000A

#define FILE_ACTION_TUNNELLED_ID_COLLISION      0x0000000B



/* See MS-SMB2 2.2.35 */

struct smb2_change_notify_req {

	struct smb2_hdr hdr;
@@ -1499,105 +1483,6 @@ struct network_interface_info_ioctl_rsp { 
	};

} __packed;



/* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */

struct file_zero_data_information {

	__le64	FileOffset;

	__le64	BeyondFinalZero;

} __packed;



/* See MS-FSCC 2.3.7 */

struct duplicate_extents_to_file {

	__u64 PersistentFileHandle; /* source file handle, opaque endianness */

	__u64 VolatileFileHandle;

	__le64 SourceFileOffset;

	__le64 TargetFileOffset;

	__le64 ByteCount;  /* Bytes to be copied */

} __packed;



/* See MS-FSCC 2.3.9 */

#define DUPLICATE_EXTENTS_DATA_EX_SOURCE_ATOMIC	0x00000001

struct duplicate_extents_to_file_ex {

	__le64 StructureSize; /* MUST be set to 0x30 */

	__u64 PersistentFileHandle; /* source file handle, opaque endianness */

	__u64 VolatileFileHandle;

	__le64 SourceFileOffset;

	__le64 TargetFileOffset;

	__le64 ByteCount;  /* Bytes to be copied */

	__le32 Flags;

	__le32 Reserved;

} __packed;





/* See MS-FSCC 2.3.20 */

struct fsctl_get_integrity_information_rsp {

	__le16	ChecksumAlgorithm;

	__le16	Reserved;

	__le32	Flags;

	__le32	ChecksumChunkSizeInBytes;

	__le32	ClusterSizeInBytes;

} __packed;



/* See MS-FSCC 2.3.55 */

struct fsctl_query_file_regions_req {

	__le64	FileOffset;

	__le64	Length;

	__le32	DesiredUsage;

	__le32	Reserved;

} __packed;



/* DesiredUsage flags see MS-FSCC 2.3.56.1 */

#define FILE_USAGE_INVALID_RANGE	0x00000000

#define FILE_USAGE_VALID_CACHED_DATA	0x00000001

#define FILE_USAGE_NONCACHED_DATA	0x00000002



struct file_region_info {

	__le64	FileOffset;

	__le64	Length;

	__le32	DesiredUsage;

	__le32	Reserved;

} __packed;



/* See MS-FSCC 2.3.56 */

struct fsctl_query_file_region_rsp {

	__le32 Flags;

	__le32 TotalRegionEntryCount;

	__le32 RegionEntryCount;

	__u32  Reserved;

	struct  file_region_info Regions[];

} __packed;



/* See MS-FSCC 2.3.58 */

struct fsctl_query_on_disk_vol_info_rsp {

	__le64	DirectoryCount;

	__le64	FileCount;

	__le16	FsFormatMajVersion;

	__le16	FsFormatMinVersion;

	__u8	FsFormatName[24];

	__le64	FormatTime;

	__le64	LastUpdateTime;

	__u8	CopyrightInfo[68];

	__u8	AbstractInfo[68];

	__u8	FormatImplInfo[68];

	__u8	LastModifyImplInfo[68];

} __packed;



/* See MS-FSCC 2.3.73 */

struct fsctl_set_integrity_information_req {

	__le16	ChecksumAlgorithm;

	__le16	Reserved;

	__le32	Flags;

} __packed;



/* See MS-FSCC 2.3.75 */

struct fsctl_set_integrity_info_ex_req {

	__u8	EnableIntegrity;

	__u8	KeepState;

	__u16	Reserved;

	__le32	Flags;

	__u8	Version;

	__u8	Reserved2[7];

} __packed;



/* Integrity ChecksumAlgorithm choices for above */

#define	CHECKSUM_TYPE_NONE	0x0000

#define	CHECKSUM_TYPE_CRC64	0x0002
@@ -1606,72 +1491,6 @@ struct fsctl_set_integrity_info_ex_req { 
/* Integrity flags for above */

#define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF	0x00000001



/* Reparse structures - see MS-FSCC 2.1.2 */



/* struct fsctl_reparse_info_req is empty, only response structs (see below) */

struct reparse_data_buffer {

	__le32	ReparseTag;

	__le16	ReparseDataLength;

	__u16	Reserved;

	__u8	DataBuffer[]; /* Variable Length */

} __packed;



struct reparse_guid_data_buffer {

	__le32	ReparseTag;

	__le16	ReparseDataLength;

	__u16	Reserved;

	__u8	ReparseGuid[16];

	__u8	DataBuffer[]; /* Variable Length */

} __packed;



struct reparse_mount_point_data_buffer {

	__le32	ReparseTag;

	__le16	ReparseDataLength;

	__u16	Reserved;

	__le16	SubstituteNameOffset;

	__le16	SubstituteNameLength;

	__le16	PrintNameOffset;

	__le16	PrintNameLength;

	__u8	PathBuffer[]; /* Variable Length */

} __packed;



#define SYMLINK_FLAG_RELATIVE 0x00000001



struct reparse_symlink_data_buffer {

	__le32	ReparseTag;

	__le16	ReparseDataLength;

	__u16	Reserved;

	__le16	SubstituteNameOffset;

	__le16	SubstituteNameLength;

	__le16	PrintNameOffset;

	__le16	PrintNameLength;

	__le32	Flags;

	__u8	PathBuffer[]; /* Variable Length */

} __packed;



/* For IO_REPARSE_TAG_NFS - see MS-FSCC 2.1.2.6 */

#define NFS_SPECFILE_LNK	0x00000000014B4E4C

#define NFS_SPECFILE_CHR	0x0000000000524843

#define NFS_SPECFILE_BLK	0x00000000004B4C42

#define NFS_SPECFILE_FIFO	0x000000004F464946

#define NFS_SPECFILE_SOCK	0x000000004B434F53

struct reparse_nfs_data_buffer {

	__le32	ReparseTag;

	__le16	ReparseDataLength;

	__u16	Reserved;

	__le64	InodeType; /* NFS_SPECFILE_* */

	__u8	DataBuffer[];

} __packed;



/* For IO_REPARSE_TAG_LX_SYMLINK - see MS-FSCC 2.1.2.7 */

struct reparse_wsl_symlink_data_buffer {

	__le32	ReparseTag;

	__le16	ReparseDataLength;

	__u16	Reserved;

	__le32	Version; /* Always 2 */

	__u8	Target[]; /* Variable Length UTF-8 string without nul-term */

} __packed;



struct validate_negotiate_info_req {

	__le32 Capabilities;

	__u8   Guid[SMB2_CLIENT_GUID_SIZE];
@@ -1791,84 +1610,6 @@ struct smb2_query_info_rsp { 
	__u8   Buffer[];

} __packed;



/*

 *	PDU query infolevel structure definitions

 */



/* See MS-FSCC 2.3.52 */

struct file_allocated_range_buffer {

	__le64	file_offset;

	__le64	length;

} __packed;



struct smb2_file_internal_info {

	__le64 IndexNumber;

} __packed; /* level 6 Query */



struct smb2_file_rename_info { /* encoding of request for level 10 */

	/* New members MUST be added within the struct_group() macro below. */

	__struct_group(smb2_file_rename_info_hdr, __hdr, __packed,

		__u8   ReplaceIfExists; /* 1 = replace existing target with new */

					/* 0 = fail if target already exists */

		__u8   Reserved[7];

		__u64  RootDirectory;  /* MBZ for network operations (why says spec?) */

		__le32 FileNameLength;

	);

	char   FileName[];     /* New name to be assigned */

	/* padding - overall struct size must be >= 24 so filename + pad >= 6 */

} __packed; /* level 10 Set */

static_assert(offsetof(struct smb2_file_rename_info, FileName) == sizeof(struct smb2_file_rename_info_hdr),

	      "struct member likely outside of __struct_group()");



struct smb2_file_link_info { /* encoding of request for level 11 */

	/* New members MUST be added within the struct_group() macro below. */

	__struct_group(smb2_file_link_info_hdr, __hdr, __packed,

		__u8   ReplaceIfExists; /* 1 = replace existing link with new */

					/* 0 = fail if link already exists */

		__u8   Reserved[7];

		__u64  RootDirectory;  /* MBZ for network operations (why says spec?) */

		__le32 FileNameLength;

	);

	char   FileName[];     /* Name to be assigned to new link */

} __packed; /* level 11 Set */

static_assert(offsetof(struct smb2_file_link_info, FileName) == sizeof(struct smb2_file_link_info_hdr),

	      "struct member likely outside of __struct_group()");



/*

 * This level 18, although with struct with same name is different from cifs

 * level 0x107. Level 0x107 has an extra u64 between AccessFlags and

 * CurrentByteOffset.

 */

struct smb2_file_all_info { /* data block encoding of response to level 18 */

	__le64 CreationTime;	/* Beginning of FILE_BASIC_INFO equivalent */

	__le64 LastAccessTime;

	__le64 LastWriteTime;

	__le64 ChangeTime;

	__le32 Attributes;

	__u32  Pad1;		/* End of FILE_BASIC_INFO_INFO equivalent */

	__le64 AllocationSize;	/* Beginning of FILE_STANDARD_INFO equivalent */

	__le64 EndOfFile;	/* size ie offset to first free byte in file */

	__le32 NumberOfLinks;	/* hard links */

	__u8   DeletePending;

	__u8   Directory;

	__u16  Pad2;		/* End of FILE_STANDARD_INFO equivalent */

	__le64 IndexNumber;

	__le32 EASize;

	__le32 AccessFlags;

	__le64 CurrentByteOffset;

	__le32 Mode;

	__le32 AlignmentRequirement;

	__le32 FileNameLength;

	union {

		char __pad;	/* Legacy structure padding */

		DECLARE_FLEX_ARRAY(char, FileName);

	};

} __packed; /* level 18 Query */



struct smb2_file_eof_info { /* encoding of request for level 10 */

	__le64 EndOfFile; /* new end of file value */

} __packed; /* level 20 Set */



/* Level 100 query info */

struct smb311_posix_qinfo {

	__le64 CreationTime;
@@ -1894,65 +1635,6 @@ struct smb311_posix_qinfo { 
	 */

} __packed;



/* File System Information Classes */

#define FS_VOLUME_INFORMATION		1 /* Query */

#define FS_LABEL_INFORMATION		2 /* Set */

#define FS_SIZE_INFORMATION		3 /* Query */

#define FS_DEVICE_INFORMATION		4 /* Query */

#define FS_ATTRIBUTE_INFORMATION	5 /* Query */

#define FS_CONTROL_INFORMATION		6 /* Query, Set */

#define FS_FULL_SIZE_INFORMATION	7 /* Query */

#define FS_OBJECT_ID_INFORMATION	8 /* Query, Set */

#define FS_DRIVER_PATH_INFORMATION	9 /* Query */

#define FS_SECTOR_SIZE_INFORMATION	11 /* SMB3 or later. Query */

#define FS_POSIX_INFORMATION		100 /* SMB3.1.1 POSIX. Query */



struct smb2_fs_full_size_info {

	__le64 TotalAllocationUnits;

	__le64 CallerAvailableAllocationUnits;

	__le64 ActualAvailableAllocationUnits;

	__le32 SectorsPerAllocationUnit;

	__le32 BytesPerSector;

} __packed;



#define SSINFO_FLAGS_ALIGNED_DEVICE		0x00000001

#define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002

#define SSINFO_FLAGS_NO_SEEK_PENALTY		0x00000004

#define SSINFO_FLAGS_TRIM_ENABLED		0x00000008



/* sector size info struct */

struct smb3_fs_ss_info {

	__le32 LogicalBytesPerSector;

	__le32 PhysicalBytesPerSectorForAtomicity;

	__le32 PhysicalBytesPerSectorForPerf;

	__le32 FSEffPhysicalBytesPerSectorForAtomicity;

	__le32 Flags;

	__le32 ByteOffsetForSectorAlignment;

	__le32 ByteOffsetForPartitionAlignment;

} __packed;



/* File System Control Information */

struct smb2_fs_control_info {

	__le64 FreeSpaceStartFiltering;

	__le64 FreeSpaceThreshold;

	__le64 FreeSpaceStopFiltering;

	__le64 DefaultQuotaThreshold;

	__le64 DefaultQuotaLimit;

	__le32 FileSystemControlFlags;

	__le32 Padding;

} __packed;



/* volume info struct - see MS-FSCC 2.5.9 */

#define MAX_VOL_LABEL_LEN	32

struct smb3_fs_vol_info {

	__le64	VolumeCreationTime;

	__u32	VolumeSerialNumber;

	__le32	VolumeLabelLength; /* includes trailing null */

	__u8	SupportsObjects; /* True if eg like NTFS, supports objects */

	__u8	Reserved;

	__u8	VolumeLabel[]; /* variable len */

} __packed;



/* See MS-SMB2 2.2.23 through 2.2.25 */

struct smb2_oplock_break {

	struct smb2_hdr hdr;