Staging
v0.8.1
v0.8.1
https://github.com/torvalds/linux
Tip revision: 09688c0166e76ce2fb85e86b9d99be8b0084cdf9 authored by Linus Torvalds on 13 March 2022, 20:23:37 UTC
Linux 5.17-rc8
Linux 5.17-rc8
Tip revision: 09688c0
smb2pdu.h
/* SPDX-License-Identifier: LGPL-2.1 */
/*
*
* Copyright (c) International Business Machines Corp., 2009, 2013
* Etersoft, 2012
* Author(s): Steve French (sfrench@us.ibm.com)
* Pavel Shilovsky (pshilovsky@samba.org) 2012
*
*/
#ifndef _SMB2PDU_H
#define _SMB2PDU_H
#include <net/sock.h>
#include "cifsacl.h"
/* 52 transform hdr + 64 hdr + 88 create rsp */
#define SMB2_TRANSFORM_HEADER_SIZE 52
#define MAX_SMB2_HDR_SIZE 204
/* The total header size for SMB2 read and write */
#define SMB2_READWRITE_PDU_HEADER_SIZE (48 + sizeof(struct smb2_hdr))
/* See MS-SMB2 2.2.43 */
struct smb2_rdma_transform {
__le16 RdmaDescriptorOffset;
__le16 RdmaDescriptorLength;
__le32 Channel; /* for values see channel description in smb2 read above */
__le16 TransformCount;
__le16 Reserved1;
__le32 Reserved2;
} __packed;
/* TransformType */
#define SMB2_RDMA_TRANSFORM_TYPE_ENCRYPTION 0x0001
#define SMB2_RDMA_TRANSFORM_TYPE_SIGNING 0x0002
struct smb2_rdma_crypto_transform {
__le16 TransformType;
__le16 SignatureLength;
__le16 NonceLength;
__u16 Reserved;
__u8 Signature[]; /* variable length */
/* u8 Nonce[] */
/* followed by padding */
} __packed;
/*
* Definitions for SMB2 Protocol Data Units (network frames)
*
* See MS-SMB2.PDF specification for protocol details.
* The Naming convention is the lower case version of the SMB2
* command code name for the struct. Note that structures must be packed.
*
*/
#define COMPOUND_FID 0xFFFFFFFFFFFFFFFFULL
#define SMB2_ERROR_STRUCTURE_SIZE2 cpu_to_le16(9)
struct smb2_err_rsp {
struct smb2_hdr hdr;
__le16 StructureSize;
__le16 Reserved; /* MBZ */
__le32 ByteCount; /* even if zero, at least one byte follows */
__u8 ErrorData[1]; /* variable length */
} __packed;
#define SYMLINK_ERROR_TAG 0x4c4d5953
struct smb2_symlink_err_rsp {
__le32 SymLinkLength;
__le32 SymLinkErrorTag;
__le32 ReparseTag;
__le16 ReparseDataLength;
__le16 UnparsedPathLength;
__le16 SubstituteNameOffset;
__le16 SubstituteNameLength;
__le16 PrintNameOffset;
__le16 PrintNameLength;
__le32 Flags;
__u8 PathBuffer[];
} __packed;
/* SMB 3.1.1 and later dialects. See MS-SMB2 section 2.2.2.1 */
struct smb2_error_context_rsp {
__le32 ErrorDataLength;
__le32 ErrorId;
__u8 ErrorContextData; /* ErrorDataLength long array */
} __packed;
/* ErrorId values */
#define SMB2_ERROR_ID_DEFAULT 0x00000000
#define SMB2_ERROR_ID_SHARE_REDIRECT cpu_to_le32(0x72645253) /* "rdRS" */
/* Defines for Type field below (see MS-SMB2 2.2.2.2.2.1) */
#define MOVE_DST_IPADDR_V4 cpu_to_le32(0x00000001)
#define MOVE_DST_IPADDR_V6 cpu_to_le32(0x00000002)
struct move_dst_ipaddr {
__le32 Type;
__u32 Reserved;
__u8 address[16]; /* IPv4 followed by 12 bytes rsvd or IPv6 address */
} __packed;
struct share_redirect_error_context_rsp {
__le32 StructureSize;
__le32 NotificationType;
__le32 ResourceNameOffset;
__le32 ResourceNameLength;
__le16 Reserved;
__le16 TargetType;
__le32 IPAddrCount;
struct move_dst_ipaddr IpAddrMoveList[];
/* __u8 ResourceName[] */ /* Name of share as counted Unicode string */
} __packed;
/*
* Maximum number of iovs we need for an open/create request.
* [0] : struct smb2_create_req
* [1] : path
* [2] : lease context
* [3] : durable context
* [4] : posix context
* [5] : time warp context
* [6] : query id context
* [7] : compound padding
*/
#define SMB2_CREATE_IOV_SIZE 8
/*
* Maximum size of a SMB2_CREATE response is 64 (smb2 header) +
* 88 (fixed part of create response) + 520 (path) + 208 (contexts) +
* 2 bytes of padding.
*/
#define MAX_SMB2_CREATE_RESPONSE_SIZE 880
#define SMB2_LEASE_READ_CACHING_HE 0x01
#define SMB2_LEASE_HANDLE_CACHING_HE 0x02
#define SMB2_LEASE_WRITE_CACHING_HE 0x04
#define SMB2_LEASE_NONE cpu_to_le32(0x00)
#define SMB2_LEASE_READ_CACHING cpu_to_le32(0x01)
#define SMB2_LEASE_HANDLE_CACHING cpu_to_le32(0x02)
#define SMB2_LEASE_WRITE_CACHING cpu_to_le32(0x04)
#define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS cpu_to_le32(0x00000002)
#define SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET cpu_to_le32(0x00000004)
#define SMB2_LEASE_KEY_SIZE 16
struct lease_context {
u8 LeaseKey[SMB2_LEASE_KEY_SIZE];
__le32 LeaseState;
__le32 LeaseFlags;
__le64 LeaseDuration;
} __packed;
struct lease_context_v2 {
u8 LeaseKey[SMB2_LEASE_KEY_SIZE];
__le32 LeaseState;
__le32 LeaseFlags;
__le64 LeaseDuration;
__le64 ParentLeaseKeyLow;
__le64 ParentLeaseKeyHigh;
__le16 Epoch;
__le16 Reserved;
} __packed;
struct create_lease {
struct create_context ccontext;
__u8 Name[8];
struct lease_context lcontext;
} __packed;
struct create_lease_v2 {
struct create_context ccontext;
__u8 Name[8];
struct lease_context_v2 lcontext;
__u8 Pad[4];
} __packed;
struct create_durable {
struct create_context ccontext;
__u8 Name[8];
union {
__u8 Reserved[16];
struct {
__u64 PersistentFileId;
__u64 VolatileFileId;
} Fid;
} Data;
} __packed;
struct create_posix {
struct create_context ccontext;
__u8 Name[16];
__le32 Mode;
__u32 Reserved;
} __packed;
/* See MS-SMB2 2.2.13.2.11 */
/* Flags */
#define SMB2_DHANDLE_FLAG_PERSISTENT 0x00000002
struct durable_context_v2 {
__le32 Timeout;
__le32 Flags;
__u64 Reserved;
__u8 CreateGuid[16];
} __packed;
struct create_durable_v2 {
struct create_context ccontext;
__u8 Name[8];
struct durable_context_v2 dcontext;
} __packed;
/* See MS-SMB2 2.2.13.2.12 */
struct durable_reconnect_context_v2 {
struct {
__u64 PersistentFileId;
__u64 VolatileFileId;
} Fid;
__u8 CreateGuid[16];
__le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
} __packed;
/* See MS-SMB2 2.2.14.2.9 */
struct create_on_disk_id {
struct create_context ccontext;
__u8 Name[8];
__le64 DiskFileId;
__le64 VolumeId;
__u32 Reserved[4];
} __packed;
/* See MS-SMB2 2.2.14.2.12 */
struct durable_reconnect_context_v2_rsp {
__le32 Timeout;
__le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
} __packed;
struct create_durable_handle_reconnect_v2 {
struct create_context ccontext;
__u8 Name[8];
struct durable_reconnect_context_v2 dcontext;
__u8 Pad[4];
} __packed;
/* See MS-SMB2 2.2.13.2.5 */
struct crt_twarp_ctxt {
struct create_context ccontext;
__u8 Name[8];
__le64 Timestamp;
} __packed;
/* See MS-SMB2 2.2.13.2.9 */
struct crt_query_id_ctxt {
struct create_context ccontext;
__u8 Name[8];
} __packed;
struct crt_sd_ctxt {
struct create_context ccontext;
__u8 Name[8];
struct smb3_sd sd;
} __packed;
#define COPY_CHUNK_RES_KEY_SIZE 24
struct resume_key_req {
char ResumeKey[COPY_CHUNK_RES_KEY_SIZE];
__le32 ContextLength; /* MBZ */
char Context[]; /* ignored, Windows sets to 4 bytes of zero */
} __packed;
/* this goes in the ioctl buffer when doing a copychunk request */
struct copychunk_ioctl {
char SourceKey[COPY_CHUNK_RES_KEY_SIZE];
__le32 ChunkCount; /* we are only sending 1 */
__le32 Reserved;
/* array will only be one chunk long for us */
__le64 SourceOffset;
__le64 TargetOffset;
__le32 Length; /* how many bytes to copy */
__u32 Reserved2;
} __packed;
/* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */
struct file_zero_data_information {
__le64 FileOffset;
__le64 BeyondFinalZero;
} __packed;
struct copychunk_ioctl_rsp {
__le32 ChunksWritten;
__le32 ChunkBytesWritten;
__le32 TotalBytesWritten;
} __packed;
/* See MS-FSCC 2.3.29 and 2.3.30 */
struct get_retrieval_pointer_count_req {
__le64 StartingVcn; /* virtual cluster number (signed) */
} __packed;
struct get_retrieval_pointer_count_rsp {
__le32 ExtentCount;
} __packed;
/*
* See MS-FSCC 2.3.33 and 2.3.34
* request is the same as get_retrieval_point_count_req struct above
*/
struct smb3_extents {
__le64 NextVcn;
__le64 Lcn; /* logical cluster number */
} __packed;
struct get_retrieval_pointers_refcount_rsp {
__le32 ExtentCount;
__u32 Reserved;
__le64 StartingVcn;
struct smb3_extents extents[];
} __packed;
struct fsctl_set_integrity_information_req {
__le16 ChecksumAlgorithm;
__le16 Reserved;
__le32 Flags;
} __packed;
struct fsctl_get_integrity_information_rsp {
__le16 ChecksumAlgorithm;
__le16 Reserved;
__le32 Flags;
__le32 ChecksumChunkSizeInBytes;
__le32 ClusterSizeInBytes;
} __packed;
struct file_allocated_range_buffer {
__le64 file_offset;
__le64 length;
} __packed;
/* Integrity ChecksumAlgorithm choices for above */
#define CHECKSUM_TYPE_NONE 0x0000
#define CHECKSUM_TYPE_CRC64 0x0002
#define CHECKSUM_TYPE_UNCHANGED 0xFFFF /* set only */
/* 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;
/* See MS-FSCC 2.1.2.6 and cifspdu.h for struct reparse_posix_data */
/* See MS-DFSC 2.2.2 */
struct fsctl_get_dfs_referral_req {
__le16 MaxReferralLevel;
__u8 RequestFileName[];
} __packed;
/* DFS response is struct get_dfs_refer_rsp */
/* See MS-SMB2 2.2.31.3 */
struct network_resiliency_req {
__le32 Timeout;
__le32 Reserved;
} __packed;
/* There is no buffer for the response ie no struct network_resiliency_rsp */
struct validate_negotiate_info_req {
__le32 Capabilities;
__u8 Guid[SMB2_CLIENT_GUID_SIZE];
__le16 SecurityMode;
__le16 DialectCount;
__le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */
} __packed;
struct validate_negotiate_info_rsp {
__le32 Capabilities;
__u8 Guid[SMB2_CLIENT_GUID_SIZE];
__le16 SecurityMode;
__le16 Dialect; /* Dialect in use for the connection */
} __packed;
#define RSS_CAPABLE cpu_to_le32(0x00000001)
#define RDMA_CAPABLE cpu_to_le32(0x00000002)
#define INTERNETWORK cpu_to_le16(0x0002)
#define INTERNETWORKV6 cpu_to_le16(0x0017)
struct network_interface_info_ioctl_rsp {
__le32 Next; /* next interface. zero if this is last one */
__le32 IfIndex;
__le32 Capability; /* RSS or RDMA Capable */
__le32 Reserved;
__le64 LinkSpeed;
__le16 Family;
__u8 Buffer[126];
} __packed;
struct iface_info_ipv4 {
__be16 Port;
__be32 IPv4Address;
__be64 Reserved;
} __packed;
struct iface_info_ipv6 {
__be16 Port;
__be32 FlowInfo;
__u8 IPv6Address[16];
__be32 ScopeId;
} __packed;
#define NO_FILE_ID 0xFFFFFFFFFFFFFFFFULL /* general ioctls to srv not to file */
struct compress_ioctl {
__le16 CompressionState; /* See cifspdu.h for possible flag values */
} __packed;
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;
/*
* Maximum number of iovs we need for an ioctl request.
* [0] : struct smb2_ioctl_req
* [1] : in_data
*/
#define SMB2_IOCTL_IOV_SIZE 2
struct smb2_ioctl_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 57 */
__u16 Reserved;
__le32 CtlCode;
__u64 PersistentFileId; /* opaque endianness */
__u64 VolatileFileId; /* opaque endianness */
__le32 InputOffset;
__le32 InputCount;
__le32 MaxInputResponse;
__le32 OutputOffset;
__le32 OutputCount;
__le32 MaxOutputResponse;
__le32 Flags;
__u32 Reserved2;
__u8 Buffer[];
} __packed;
struct smb2_ioctl_rsp {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 57 */
__u16 Reserved;
__le32 CtlCode;
__u64 PersistentFileId; /* opaque endianness */
__u64 VolatileFileId; /* opaque endianness */
__le32 InputOffset;
__le32 InputCount;
__le32 OutputOffset;
__le32 OutputCount;
__le32 Flags;
__u32 Reserved2;
/* char * buffer[] */
} __packed;
#define SMB2_LOCKFLAG_SHARED_LOCK 0x0001
#define SMB2_LOCKFLAG_EXCLUSIVE_LOCK 0x0002
#define SMB2_LOCKFLAG_UNLOCK 0x0004
#define SMB2_LOCKFLAG_FAIL_IMMEDIATELY 0x0010
struct smb2_lock_element {
__le64 Offset;
__le64 Length;
__le32 Flags;
__le32 Reserved;
} __packed;
struct smb2_lock_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 48 */
__le16 LockCount;
/*
* The least significant four bits are the index, the other 28 bits are
* the lock sequence number (0 to 64). See MS-SMB2 2.2.26
*/
__le32 LockSequenceNumber;
__u64 PersistentFileId; /* opaque endianness */
__u64 VolatileFileId; /* opaque endianness */
/* Followed by at least one */
struct smb2_lock_element locks[1];
} __packed;
struct smb2_lock_rsp {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 4 */
__le16 Reserved;
} __packed;
struct smb2_echo_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 4 */
__u16 Reserved;
} __packed;
struct smb2_echo_rsp {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 4 */
__u16 Reserved;
} __packed;
/* search (query_directory) Flags field */
#define SMB2_RESTART_SCANS 0x01
#define SMB2_RETURN_SINGLE_ENTRY 0x02
#define SMB2_INDEX_SPECIFIED 0x04
#define SMB2_REOPEN 0x10
#define SMB2_QUERY_DIRECTORY_IOV_SIZE 2
/*
* Valid FileInformation classes.
*
* Note that these are a subset of the (file) QUERY_INFO levels defined
* later in this file (but since QUERY_DIRECTORY uses equivalent numbers
* we do not redefine them here)
*
* FileDirectoryInfomation 0x01
* FileFullDirectoryInformation 0x02
* FileIdFullDirectoryInformation 0x26
* FileBothDirectoryInformation 0x03
* FileIdBothDirectoryInformation 0x25
* FileNamesInformation 0x0C
* FileIdExtdDirectoryInformation 0x3C
*/
struct smb2_query_directory_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 33 */
__u8 FileInformationClass;
__u8 Flags;
__le32 FileIndex;
__u64 PersistentFileId; /* opaque endianness */
__u64 VolatileFileId; /* opaque endianness */
__le16 FileNameOffset;
__le16 FileNameLength;
__le32 OutputBufferLength;
__u8 Buffer[1];
} __packed;
struct smb2_query_directory_rsp {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 9 */
__le16 OutputBufferOffset;
__le32 OutputBufferLength;
__u8 Buffer[1];
} __packed;
/* Possible InfoType values */
#define SMB2_O_INFO_FILE 0x01
#define SMB2_O_INFO_FILESYSTEM 0x02
#define SMB2_O_INFO_SECURITY 0x03
#define SMB2_O_INFO_QUOTA 0x04
/* Security info type additionalinfo flags. See MS-SMB2 (2.2.37) or MS-DTYP */
#define OWNER_SECINFO 0x00000001
#define GROUP_SECINFO 0x00000002
#define DACL_SECINFO 0x00000004
#define SACL_SECINFO 0x00000008
#define LABEL_SECINFO 0x00000010
#define ATTRIBUTE_SECINFO 0x00000020
#define SCOPE_SECINFO 0x00000040
#define BACKUP_SECINFO 0x00010000
#define UNPROTECTED_SACL_SECINFO 0x10000000
#define UNPROTECTED_DACL_SECINFO 0x20000000
#define PROTECTED_SACL_SECINFO 0x40000000
#define PROTECTED_DACL_SECINFO 0x80000000
/* Flags used for FileFullEAinfo */
#define SL_RESTART_SCAN 0x00000001
#define SL_RETURN_SINGLE_ENTRY 0x00000002
#define SL_INDEX_SPECIFIED 0x00000004
struct smb2_query_info_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 41 */
__u8 InfoType;
__u8 FileInfoClass;
__le32 OutputBufferLength;
__le16 InputBufferOffset;
__u16 Reserved;
__le32 InputBufferLength;
__le32 AdditionalInformation;
__le32 Flags;
__u64 PersistentFileId; /* opaque endianness */
__u64 VolatileFileId; /* opaque endianness */
__u8 Buffer[1];
} __packed;
struct smb2_query_info_rsp {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 9 */
__le16 OutputBufferOffset;
__le32 OutputBufferLength;
__u8 Buffer[1];
} __packed;
/*
* Maximum number of iovs we need for a set-info request.
* The largest one is rename/hardlink
* [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info
* [1] : path
* [2] : compound padding
*/
#define SMB2_SET_INFO_IOV_SIZE 3
struct smb2_set_info_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 33 */
__u8 InfoType;
__u8 FileInfoClass;
__le32 BufferLength;
__le16 BufferOffset;
__u16 Reserved;
__le32 AdditionalInformation;
__u64 PersistentFileId; /* opaque endianness */
__u64 VolatileFileId; /* opaque endianness */
__u8 Buffer[1];
} __packed;
struct smb2_set_info_rsp {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 2 */
} __packed;
struct smb2_oplock_break {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 24 */
__u8 OplockLevel;
__u8 Reserved;
__le32 Reserved2;
__u64 PersistentFid;
__u64 VolatileFid;
} __packed;
#define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01)
struct smb2_lease_break {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 44 */
__le16 Epoch;
__le32 Flags;
__u8 LeaseKey[16];
__le32 CurrentLeaseState;
__le32 NewLeaseState;
__le32 BreakReason;
__le32 AccessMaskHint;
__le32 ShareMaskHint;
} __packed;
struct smb2_lease_ack {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 36 */
__le16 Reserved;
__le32 Flags;
__u8 LeaseKey[16];
__le32 LeaseState;
__le64 LeaseDuration;
} __packed;
/*
* PDU infolevel structure definitions
* BB consider moving to a different header
*/
/* File System Information Classes */
#define FS_VOLUME_INFORMATION 1 /* Query */
#define FS_LABEL_INFORMATION 2 /* Local only */
#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 /* Local only */
#define FS_VOLUME_FLAGS_INFORMATION 10 /* Local only */
#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 FileSystemEffectivePhysicalBytesPerSectorForAtomicity;
__le32 Flags;
__le32 ByteOffsetForSectorAlignment;
__le32 ByteOffsetForPartitionAlignment;
} __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;
/* partial list of QUERY INFO levels */
#define FILE_DIRECTORY_INFORMATION 1
#define FILE_FULL_DIRECTORY_INFORMATION 2
#define FILE_BOTH_DIRECTORY_INFORMATION 3
#define FILE_BASIC_INFORMATION 4
#define FILE_STANDARD_INFORMATION 5
#define FILE_INTERNAL_INFORMATION 6
#define FILE_EA_INFORMATION 7
#define FILE_ACCESS_INFORMATION 8
#define FILE_NAME_INFORMATION 9
#define FILE_RENAME_INFORMATION 10
#define FILE_LINK_INFORMATION 11
#define FILE_NAMES_INFORMATION 12
#define FILE_DISPOSITION_INFORMATION 13
#define FILE_POSITION_INFORMATION 14
#define FILE_FULL_EA_INFORMATION 15
#define FILE_MODE_INFORMATION 16
#define FILE_ALIGNMENT_INFORMATION 17
#define FILE_ALL_INFORMATION 18
#define FILE_ALLOCATION_INFORMATION 19
#define FILE_END_OF_FILE_INFORMATION 20
#define FILE_ALTERNATE_NAME_INFORMATION 21
#define FILE_STREAM_INFORMATION 22
#define FILE_PIPE_INFORMATION 23
#define FILE_PIPE_LOCAL_INFORMATION 24
#define FILE_PIPE_REMOTE_INFORMATION 25
#define FILE_MAILSLOT_QUERY_INFORMATION 26
#define FILE_MAILSLOT_SET_INFORMATION 27
#define FILE_COMPRESSION_INFORMATION 28
#define FILE_OBJECT_ID_INFORMATION 29
/* Number 30 not defined in documents */
#define FILE_MOVE_CLUSTER_INFORMATION 31
#define FILE_QUOTA_INFORMATION 32
#define FILE_REPARSE_POINT_INFORMATION 33
#define FILE_NETWORK_OPEN_INFORMATION 34
#define FILE_ATTRIBUTE_TAG_INFORMATION 35
#define FILE_TRACKING_INFORMATION 36
#define FILEID_BOTH_DIRECTORY_INFORMATION 37
#define FILEID_FULL_DIRECTORY_INFORMATION 38
#define FILE_VALID_DATA_LENGTH_INFORMATION 39
#define FILE_SHORT_NAME_INFORMATION 40
#define FILE_SFIO_RESERVE_INFORMATION 44
#define FILE_SFIO_VOLUME_INFORMATION 45
#define FILE_HARD_LINK_INFORMATION 46
#define FILE_NORMALIZED_NAME_INFORMATION 48
#define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50
#define FILE_STANDARD_LINK_INFORMATION 54
#define FILE_ID_INFORMATION 59
#define FILE_ID_EXTD_DIRECTORY_INFORMATION 60
struct smb2_file_internal_info {
__le64 IndexNumber;
} __packed; /* level 6 Query */
struct smb2_file_rename_info { /* encoding of request for level 10 */
__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 */
struct smb2_file_link_info { /* encoding of request for level 11 */
__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 */
struct smb2_file_full_ea_info { /* encoding of response for level 15 */
__le32 next_entry_offset;
__u8 flags;
__u8 ea_name_length;
__le16 ea_value_length;
char ea_data[]; /* \0 terminated name plus value */
} __packed; /* level 15 Set */
/*
* 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;
char FileName[1];
} __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 */
struct smb2_file_reparse_point_info {
__le64 IndexNumber;
__le32 Tag;
} __packed;
struct smb2_file_network_open_info {
__le64 CreationTime;
__le64 LastAccessTime;
__le64 LastWriteTime;
__le64 ChangeTime;
__le64 AllocationSize;
__le64 EndOfFile;
__le32 Attributes;
__le32 Reserved;
} __packed; /* level 34 Query also similar returned in close rsp and open rsp */
/* See MS-FSCC 2.4.21 */
struct smb2_file_id_information {
__le64 VolumeSerialNumber;
__u64 PersistentFileId; /* opaque endianness */
__u64 VolatileFileId; /* opaque endianness */
} __packed; /* level 59 */
/* See MS-FSCC 2.4.18 */
struct smb2_file_id_extd_directory_info {
__le32 NextEntryOffset;
__u32 FileIndex;
__le64 CreationTime;
__le64 LastAccessTime;
__le64 LastWriteTime;
__le64 ChangeTime;
__le64 EndOfFile;
__le64 AllocationSize;
__le32 FileAttributes;
__le32 FileNameLength;
__le32 EaSize; /* EA size */
__le32 ReparsePointTag; /* valid if FILE_ATTR_REPARSE_POINT set in FileAttributes */
__le64 UniqueId; /* inode num - le since Samba puts ino in low 32 bit */
char FileName[1];
} __packed; /* level 60 */
extern char smb2_padding[7];
/* equivalent of the contents of SMB3.1.1 POSIX open context response */
struct create_posix_rsp {
u32 nlink;
u32 reparse_tag;
u32 mode;
struct cifs_sid owner; /* var-sized on the wire */
struct cifs_sid group; /* var-sized on the wire */
} __packed;
/*
* SMB2-only POSIX info level for query dir
*
* See posix_info_sid_size(), posix_info_extra_size() and
* posix_info_parse() to help with the handling of this struct.
*/
struct smb2_posix_info {
__le32 NextEntryOffset;
__u32 Ignored;
__le64 CreationTime;
__le64 LastAccessTime;
__le64 LastWriteTime;
__le64 ChangeTime;
__le64 EndOfFile;
__le64 AllocationSize;
__le32 DosAttributes;
__le64 Inode;
__le32 DeviceId;
__le32 Zero;
/* beginning of POSIX Create Context Response */
__le32 HardLinks;
__le32 ReparseTag;
__le32 Mode;
/*
* var sized owner SID
* var sized group SID
* le32 filenamelength
* u8 filename[]
*/
} __packed;
/* Level 100 query info */
struct smb311_posix_qinfo {
__le64 CreationTime;
__le64 LastAccessTime;
__le64 LastWriteTime;
__le64 ChangeTime;
__le64 EndOfFile;
__le64 AllocationSize;
__le32 DosAttributes;
__le64 Inode;
__le32 DeviceId;
__le32 Zero;
/* beginning of POSIX Create Context Response */
__le32 HardLinks;
__le32 ReparseTag;
__le32 Mode;
u8 Sids[];
/*
* var sized owner SID
* var sized group SID
* le32 filenamelength
* u8 filename[]
*/
} __packed;
/*
* Parsed version of the above struct. Allows direct access to the
* variable length fields
*/
struct smb2_posix_info_parsed {
const struct smb2_posix_info *base;
size_t size;
struct cifs_sid owner;
struct cifs_sid group;
int name_len;
const u8 *name;
};
#endif /* _SMB2PDU_H */
