/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2016 Namjae Jeon * Copyright (C) 2018 Samsung Electronics Co., Ltd. */ #ifndef _SMB2PDU_H #define _SMB2PDU_H #include "ntlmssp.h" #include "smbacl.h" /*Create Action Flags*/ #define FILE_SUPERSEDED 0x00000000 #define FILE_OPENED 0x00000001 #define FILE_CREATED 0x00000002 #define FILE_OVERWRITTEN 0x00000003 /* * Size of the session key (crypto key encrypted with the password */ #define SMB2_NTLMV2_SESSKEY_SIZE 16 #define SMB2_SIGNATURE_SIZE 16 #define SMB2_HMACSHA256_SIZE 32 #define SMB2_CMACAES_SIZE 16 #define SMB3_GCM128_CRYPTKEY_SIZE 16 #define SMB3_GCM256_CRYPTKEY_SIZE 32 /* * Size of the smb3 encryption/decryption keys */ #define SMB3_ENC_DEC_KEY_SIZE 32 /* * Size of the smb3 signing key */ #define SMB3_SIGN_KEY_SIZE 16 #define CIFS_CLIENT_CHALLENGE_SIZE 8 #define SMB_SERVER_CHALLENGE_SIZE 8 /* SMB2 Max Credits */ #define SMB2_MAX_CREDITS 8192 /* Maximum buffer size value we can send with 1 credit */ #define SMB2_MAX_BUFFER_SIZE 65536 #define NUMBER_OF_SMB2_COMMANDS 0x0013 /* BB FIXME - analyze following length BB */ #define MAX_SMB2_HDR_SIZE 0x78 /* 4 len + 64 hdr + (2*24 wct) + 2 bct + 2 pad */ #define SMB21_DEFAULT_IOSIZE (1024 * 1024) #define SMB3_DEFAULT_IOSIZE (4 * 1024 * 1024) #define SMB3_DEFAULT_TRANS_SIZE (1024 * 1024) #define SMB3_MIN_IOSIZE (64 * 1024) #define SMB3_MAX_IOSIZE (8 * 1024 * 1024) /* * 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 SMB2_ERROR_STRUCTURE_SIZE2 9 #define SMB2_ERROR_STRUCTURE_SIZE2_LE cpu_to_le16(SMB2_ERROR_STRUCTURE_SIZE2) struct smb2_err_rsp { struct smb2_hdr hdr; __le16 StructureSize; __u8 ErrorContextCount; __u8 Reserved; __le32 ByteCount; /* even if zero, at least one byte follows */ __u8 ErrorData[1]; /* variable length */ } __packed; struct preauth_integrity_info { /* PreAuth integrity Hash ID */ __le16 Preauth_HashId; /* PreAuth integrity Hash Value */ __u8 Preauth_HashValue[SMB2_PREAUTH_HASH_SIZE]; }; /* offset is sizeof smb2_negotiate_rsp but rounded up to 8 bytes. */ #ifdef CONFIG_SMB_SERVER_KERBEROS5 /* sizeof(struct smb2_negotiate_rsp) = * header(64) + response(64) + GSS_LENGTH(96) + GSS_PADDING(0) */ #define OFFSET_OF_NEG_CONTEXT 0xe0 #else /* sizeof(struct smb2_negotiate_rsp) = * header(64) + response(64) + GSS_LENGTH(74) + GSS_PADDING(6) */ #define OFFSET_OF_NEG_CONTEXT 0xd0 #endif #define SMB2_SESSION_EXPIRED (0) #define SMB2_SESSION_IN_PROGRESS BIT(0) #define SMB2_SESSION_VALID BIT(1) struct create_durable_req_v2 { struct create_context ccontext; __u8 Name[8]; __le32 Timeout; __le32 Flags; __u8 Reserved[8]; __u8 CreateGuid[16]; } __packed; struct create_durable_reconn_req { struct create_context ccontext; __u8 Name[8]; union { __u8 Reserved[16]; struct { __le64 PersistentFileId; __le64 VolatileFileId; } Fid; } Data; } __packed; struct create_durable_reconn_v2_req { struct create_context ccontext; __u8 Name[8]; struct { __le64 PersistentFileId; __le64 VolatileFileId; } Fid; __u8 CreateGuid[16]; __le32 Flags; } __packed; struct create_app_inst_id { struct create_context ccontext; __u8 Name[8]; __u8 Reserved[8]; __u8 AppInstanceId[16]; } __packed; struct create_app_inst_id_vers { struct create_context ccontext; __u8 Name[8]; __u8 Reserved[2]; __u8 Padding[4]; __le64 AppInstanceVersionHigh; __le64 AppInstanceVersionLow; } __packed; struct create_mxac_req { struct create_context ccontext; __u8 Name[8]; __le64 Timestamp; } __packed; struct create_alloc_size_req { struct create_context ccontext; __u8 Name[8]; __le64 AllocationSize; } __packed; struct create_posix { struct create_context ccontext; __u8 Name[16]; __le32 Mode; __u32 Reserved; } __packed; struct create_durable_rsp { struct create_context ccontext; __u8 Name[8]; union { __u8 Reserved[8]; __u64 data; } Data; } __packed; struct create_durable_v2_rsp { struct create_context ccontext; __u8 Name[8]; __le32 Timeout; __le32 Flags; } __packed; struct create_mxac_rsp { struct create_context ccontext; __u8 Name[8]; __le32 QueryStatus; __le32 MaximalAccess; } __packed; struct create_disk_id_rsp { struct create_context ccontext; __u8 Name[8]; __le64 DiskFileId; __le64 VolumeId; __u8 Reserved[16]; } __packed; /* equivalent of the contents of SMB3.1.1 POSIX open context response */ struct create_posix_rsp { struct create_context ccontext; __u8 Name[16]; __le32 nlink; __le32 reparse_tag; __le32 mode; u8 SidBuffer[40]; } __packed; #define SMB2_LEASE_NONE_LE cpu_to_le32(0x00) #define SMB2_LEASE_READ_CACHING_LE cpu_to_le32(0x01) #define SMB2_LEASE_HANDLE_CACHING_LE cpu_to_le32(0x02) #define SMB2_LEASE_WRITE_CACHING_LE cpu_to_le32(0x04) #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS_LE cpu_to_le32(0x02) #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; __u8 ParentLeaseKey[SMB2_LEASE_KEY_SIZE]; __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 smb2_buffer_desc_v1 { __le64 offset; __le32 token; __le32 length; } __packed; #define SMB2_0_IOCTL_IS_FSCTL 0x00000001 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; struct smb2_ioctl_req { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 57 */ __le16 Reserved; /* offset from start of SMB2 header to write data */ __le32 CntCode; __le64 PersistentFileId; __le64 VolatileFileId; __le32 InputOffset; /* Reserved MBZ */ __le32 InputCount; __le32 MaxInputResponse; __le32 OutputOffset; __le32 OutputCount; __le32 MaxOutputResponse; __le32 Flags; __le32 Reserved2; __u8 Buffer[1]; } __packed; struct smb2_ioctl_rsp { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 49 */ __le16 Reserved; /* offset from start of SMB2 header to write data */ __le32 CntCode; __le64 PersistentFileId; __le64 VolatileFileId; __le32 InputOffset; /* Reserved MBZ */ __le32 InputCount; __le32 OutputOffset; __le32 OutputCount; __le32 Flags; __le32 Reserved2; __u8 Buffer[1]; } __packed; struct validate_negotiate_info_req { __le32 Capabilities; __u8 Guid[SMB2_CLIENT_GUID_SIZE]; __le16 SecurityMode; __le16 DialectCount; __le16 Dialects[1]; /* dialect (someday maybe list) client asked for */ } __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; struct smb_sockaddr_in { __be16 Port; __be32 IPv4address; __u8 Reserved[8]; } __packed; struct smb_sockaddr_in6 { __be16 Port; __be32 FlowInfo; __u8 IPv6address[16]; __be32 ScopeId; } __packed; #define INTERNETWORK 0x0002 #define INTERNETWORKV6 0x0017 struct sockaddr_storage_rsp { __le16 Family; union { struct smb_sockaddr_in addr4; struct smb_sockaddr_in6 addr6; }; } __packed; #define RSS_CAPABLE 0x00000001 #define RDMA_CAPABLE 0x00000002 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; char SockAddr_Storage[128]; } __packed; struct file_object_buf_type1_ioctl_rsp { __u8 ObjectId[16]; __u8 BirthVolumeId[16]; __u8 BirthObjectId[16]; __u8 DomainId[16]; } __packed; struct resume_key_ioctl_rsp { __le64 ResumeKey[3]; __le32 ContextLength; __u8 Context[4]; /* ignored, Windows sets to 4 bytes of zero */ } __packed; struct copychunk_ioctl_req { __le64 ResumeKey[3]; __le32 ChunkCount; __le32 Reserved; __u8 Chunks[1]; /* array of srv_copychunk */ } __packed; struct srv_copychunk { __le64 SourceOffset; __le64 TargetOffset; __le32 Length; __le32 Reserved; } __packed; struct copychunk_ioctl_rsp { __le32 ChunksWritten; __le32 ChunkBytesWritten; __le32 TotalBytesWritten; } __packed; struct file_sparse { __u8 SetSparse; } __packed; struct file_zero_data_information { __le64 FileOffset; __le64 BeyondFinalZero; } __packed; struct file_allocated_range_buffer { __le64 file_offset; __le64 length; } __packed; struct reparse_data_buffer { __le32 ReparseTag; __le16 ReparseDataLength; __u16 Reserved; __u8 DataBuffer[]; /* Variable Length */ } __packed; /* SMB2 Notify Action Flags */ #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 SMB2_LOCKFLAG_SHARED 0x0001 #define SMB2_LOCKFLAG_EXCLUSIVE 0x0002 #define SMB2_LOCKFLAG_UNLOCK 0x0004 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY 0x0010 #define SMB2_LOCKFLAG_MASK 0x0007 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; __le32 Reserved; __le64 PersistentFileId; __le64 VolatileFileId; /* 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 struct smb2_query_directory_req { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 33 */ __u8 FileInformationClass; __u8 Flags; __le32 FileIndex; __le64 PersistentFileId; __le64 VolatileFileId; __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 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; __le64 PersistentFileId; __le64 VolatileFileId; __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; 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; __le64 PersistentFileId; __le64 VolatileFileId; __u8 Buffer[1]; } __packed; struct smb2_set_info_rsp { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 2 */ } __packed; /* FILE Info response size */ #define FILE_DIRECTORY_INFORMATION_SIZE 1 #define FILE_FULL_DIRECTORY_INFORMATION_SIZE 2 #define FILE_BOTH_DIRECTORY_INFORMATION_SIZE 3 #define FILE_BASIC_INFORMATION_SIZE 40 #define FILE_STANDARD_INFORMATION_SIZE 24 #define FILE_INTERNAL_INFORMATION_SIZE 8 #define FILE_EA_INFORMATION_SIZE 4 #define FILE_ACCESS_INFORMATION_SIZE 4 #define FILE_NAME_INFORMATION_SIZE 9 #define FILE_RENAME_INFORMATION_SIZE 10 #define FILE_LINK_INFORMATION_SIZE 11 #define FILE_NAMES_INFORMATION_SIZE 12 #define FILE_DISPOSITION_INFORMATION_SIZE 13 #define FILE_POSITION_INFORMATION_SIZE 14 #define FILE_FULL_EA_INFORMATION_SIZE 15 #define FILE_MODE_INFORMATION_SIZE 4 #define FILE_ALIGNMENT_INFORMATION_SIZE 4 #define FILE_ALL_INFORMATION_SIZE 104 #define FILE_ALLOCATION_INFORMATION_SIZE 19 #define FILE_END_OF_FILE_INFORMATION_SIZE 20 #define FILE_ALTERNATE_NAME_INFORMATION_SIZE 8 #define FILE_STREAM_INFORMATION_SIZE 32 #define FILE_PIPE_INFORMATION_SIZE 23 #define FILE_PIPE_LOCAL_INFORMATION_SIZE 24 #define FILE_PIPE_REMOTE_INFORMATION_SIZE 25 #define FILE_MAILSLOT_QUERY_INFORMATION_SIZE 26 #define FILE_MAILSLOT_SET_INFORMATION_SIZE 27 #define FILE_COMPRESSION_INFORMATION_SIZE 16 #define FILE_OBJECT_ID_INFORMATION_SIZE 29 /* Number 30 not defined in documents */ #define FILE_MOVE_CLUSTER_INFORMATION_SIZE 31 #define FILE_QUOTA_INFORMATION_SIZE 32 #define FILE_REPARSE_POINT_INFORMATION_SIZE 33 #define FILE_NETWORK_OPEN_INFORMATION_SIZE 56 #define FILE_ATTRIBUTE_TAG_INFORMATION_SIZE 8 /* FS Info response size */ #define FS_DEVICE_INFORMATION_SIZE 8 #define FS_ATTRIBUTE_INFORMATION_SIZE 16 #define FS_VOLUME_INFORMATION_SIZE 24 #define FS_SIZE_INFORMATION_SIZE 24 #define FS_FULL_SIZE_INFORMATION_SIZE 32 #define FS_SECTOR_SIZE_INFORMATION_SIZE 28 #define FS_OBJECT_ID_INFORMATION_SIZE 64 #define FS_CONTROL_INFORMATION_SIZE 48 #define FS_POSIX_INFORMATION_SIZE 56 /* FS_ATTRIBUTE_File_System_Name */ #define FS_TYPE_SUPPORT_SIZE 44 struct fs_type_info { char *fs_name; long magic_number; } __packed; struct smb2_oplock_break { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 24 */ __u8 OplockLevel; __u8 Reserved; __le32 Reserved2; __le64 PersistentFid; __le64 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 /* 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; /* 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 OP_BREAK_STRUCT_SIZE_20 24 #define OP_BREAK_STRUCT_SIZE_21 36 struct smb2_file_access_info { __le32 AccessFlags; } __packed; struct smb2_file_alignment_info { __le32 AlignmentRequirement; } __packed; 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[0]; /* New name to be assigned */ } __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[0]; /* Name to be assigned to new link */ } __packed; /* level 11 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_basic_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 */ } __packed; struct smb2_file_alt_name_info { __le32 FileNameLength; char FileName[0]; } __packed; struct smb2_file_stream_info { __le32 NextEntryOffset; __le32 StreamNameLength; __le64 StreamSize; __le64 StreamAllocationSize; char StreamName[0]; } __packed; 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_ntwrk_info { __le64 CreationTime; __le64 LastAccessTime; __le64 LastWriteTime; __le64 ChangeTime; __le64 AllocationSize; __le64 EndOfFile; __le32 Attributes; __le32 Reserved; } __packed; struct smb2_file_standard_info { __le64 AllocationSize; __le64 EndOfFile; __le32 NumberOfLinks; /* hard links */ __u8 DeletePending; __u8 Directory; __le16 Reserved; } __packed; /* level 18 Query */ struct smb2_file_ea_info { __le32 EASize; } __packed; struct smb2_file_alloc_info { __le64 AllocationSize; } __packed; struct smb2_file_disposition_info { __u8 DeletePending; } __packed; struct smb2_file_pos_info { __le64 CurrentByteOffset; } __packed; #define FILE_MODE_INFO_MASK cpu_to_le32(0x0000100e) struct smb2_file_mode_info { __le32 Mode; } __packed; #define COMPRESSION_FORMAT_NONE 0x0000 #define COMPRESSION_FORMAT_LZNT1 0x0002 struct smb2_file_comp_info { __le64 CompressedFileSize; __le16 CompressionFormat; __u8 CompressionUnitShift; __u8 ChunkShift; __u8 ClusterShift; __u8 Reserved[3]; } __packed; struct smb2_file_attr_tag_info { __le32 FileAttributes; __le32 ReparseTag; } __packed; #define SL_RESTART_SCAN 0x00000001 #define SL_RETURN_SINGLE_ENTRY 0x00000002 #define SL_INDEX_SPECIFIED 0x00000004 struct smb2_ea_info_req { __le32 NextEntryOffset; __u8 EaNameLength; char name[1]; } __packed; /* level 15 Query */ struct smb2_ea_info { __le32 NextEntryOffset; __u8 Flags; __u8 EaNameLength; __le16 EaValueLength; char name[1]; /* optionally followed by value */ } __packed; /* level 15 Query */ struct create_ea_buf_req { struct create_context ccontext; __u8 Name[8]; struct smb2_ea_info ea; } __packed; struct create_sd_buf_req { struct create_context ccontext; __u8 Name[8]; struct smb_ntsd ntsd; } __packed; /* Find File infolevels */ #define SMB_FIND_FILE_POSIX_INFO 0x064 /* 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; 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; u8 SidBuffer[40]; __le32 name_len; u8 name[1]; /* * var sized owner SID * var sized group SID * le32 filenamelength * u8 filename[] */ } __packed; /* functions */ void init_smb2_1_server(struct ksmbd_conn *conn); void init_smb3_0_server(struct ksmbd_conn *conn); void init_smb3_02_server(struct ksmbd_conn *conn); int init_smb3_11_server(struct ksmbd_conn *conn); void init_smb2_max_read_size(unsigned int sz); void init_smb2_max_write_size(unsigned int sz); void init_smb2_max_trans_size(unsigned int sz); bool is_smb2_neg_cmd(struct ksmbd_work *work); bool is_smb2_rsp(struct ksmbd_work *work); u16 get_smb2_cmd_val(struct ksmbd_work *work); void set_smb2_rsp_status(struct ksmbd_work *work, __le32 err); int init_smb2_rsp_hdr(struct ksmbd_work *work); int smb2_allocate_rsp_buf(struct ksmbd_work *work); bool is_chained_smb2_message(struct ksmbd_work *work); int init_smb2_neg_rsp(struct ksmbd_work *work); void smb2_set_err_rsp(struct ksmbd_work *work); int smb2_check_user_session(struct ksmbd_work *work); int smb2_get_ksmbd_tcon(struct ksmbd_work *work); bool smb2_is_sign_req(struct ksmbd_work *work, unsigned int command); int smb2_check_sign_req(struct ksmbd_work *work); void smb2_set_sign_rsp(struct ksmbd_work *work); int smb3_check_sign_req(struct ksmbd_work *work); void smb3_set_sign_rsp(struct ksmbd_work *work); int find_matching_smb2_dialect(int start_index, __le16 *cli_dialects, __le16 dialects_count); struct file_lock *smb_flock_init(struct file *f); int setup_async_work(struct ksmbd_work *work, void (*fn)(void **), void **arg); void smb2_send_interim_resp(struct ksmbd_work *work, __le32 status); struct channel *lookup_chann_list(struct ksmbd_session *sess, struct ksmbd_conn *conn); void smb3_preauth_hash_rsp(struct ksmbd_work *work); bool smb3_is_transform_hdr(void *buf); int smb3_decrypt_req(struct ksmbd_work *work); int smb3_encrypt_resp(struct ksmbd_work *work); bool smb3_11_final_sess_setup_resp(struct ksmbd_work *work); int smb2_set_rsp_credits(struct ksmbd_work *work); /* smb2 misc functions */ int ksmbd_smb2_check_message(struct ksmbd_work *work); /* smb2 command handlers */ int smb2_handle_negotiate(struct ksmbd_work *work); int smb2_negotiate_request(struct ksmbd_work *work); int smb2_sess_setup(struct ksmbd_work *work); int smb2_tree_connect(struct ksmbd_work *work); int smb2_tree_disconnect(struct ksmbd_work *work); int smb2_session_logoff(struct ksmbd_work *work); int smb2_open(struct ksmbd_work *work); int smb2_query_info(struct ksmbd_work *work); int smb2_query_dir(struct ksmbd_work *work); int smb2_close(struct ksmbd_work *work); int smb2_echo(struct ksmbd_work *work); int smb2_set_info(struct ksmbd_work *work); int smb2_read(struct ksmbd_work *work); int smb2_write(struct ksmbd_work *work); int smb2_flush(struct ksmbd_work *work); int smb2_cancel(struct ksmbd_work *work); int smb2_lock(struct ksmbd_work *work); int smb2_ioctl(struct ksmbd_work *work); int smb2_oplock_break(struct ksmbd_work *work); int smb2_notify(struct ksmbd_work *ksmbd_work); /* * Get the body of the smb2 message excluding the 4 byte rfc1002 headers * from request/response buffer. */ static inline void *smb2_get_msg(void *buf) { return buf + 4; } #endif /* _SMB2PDU_H */