/* * fs/cifs/smb2pdu.h * * Copyright (c) International Business Machines Corp., 2009, 2013 * Etersoft, 2012 * Author(s): Steve French (sfrench@us.ibm.com) * Pavel Shilovsky (pshilovsky@samba.org) 2012 * * This library is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published * by the Free Software Foundation; either version 2.1 of the License, or * (at your option) any later version. * * This library 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef _SMB2PDU_H #define _SMB2PDU_H #include /* * Note that, due to trying to use names similar to the protocol specifications, * there are many mixed case field names in the structures below. Although * this does not match typical Linux kernel style, it is necessary to be * be able to match against the protocol specfication. * * SMB2 commands * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses * (ie no useful data other than the SMB error code itself) and are marked such. * Knowing this helps avoid response buffer allocations and copy in some cases. */ /* List of commands in host endian */ #define SMB2_NEGOTIATE_HE 0x0000 #define SMB2_SESSION_SETUP_HE 0x0001 #define SMB2_LOGOFF_HE 0x0002 /* trivial request/resp */ #define SMB2_TREE_CONNECT_HE 0x0003 #define SMB2_TREE_DISCONNECT_HE 0x0004 /* trivial req/resp */ #define SMB2_CREATE_HE 0x0005 #define SMB2_CLOSE_HE 0x0006 #define SMB2_FLUSH_HE 0x0007 /* trivial resp */ #define SMB2_READ_HE 0x0008 #define SMB2_WRITE_HE 0x0009 #define SMB2_LOCK_HE 0x000A #define SMB2_IOCTL_HE 0x000B #define SMB2_CANCEL_HE 0x000C #define SMB2_ECHO_HE 0x000D #define SMB2_QUERY_DIRECTORY_HE 0x000E #define SMB2_CHANGE_NOTIFY_HE 0x000F #define SMB2_QUERY_INFO_HE 0x0010 #define SMB2_SET_INFO_HE 0x0011 #define SMB2_OPLOCK_BREAK_HE 0x0012 /* The same list in little endian */ #define SMB2_NEGOTIATE cpu_to_le16(SMB2_NEGOTIATE_HE) #define SMB2_SESSION_SETUP cpu_to_le16(SMB2_SESSION_SETUP_HE) #define SMB2_LOGOFF cpu_to_le16(SMB2_LOGOFF_HE) #define SMB2_TREE_CONNECT cpu_to_le16(SMB2_TREE_CONNECT_HE) #define SMB2_TREE_DISCONNECT cpu_to_le16(SMB2_TREE_DISCONNECT_HE) #define SMB2_CREATE cpu_to_le16(SMB2_CREATE_HE) #define SMB2_CLOSE cpu_to_le16(SMB2_CLOSE_HE) #define SMB2_FLUSH cpu_to_le16(SMB2_FLUSH_HE) #define SMB2_READ cpu_to_le16(SMB2_READ_HE) #define SMB2_WRITE cpu_to_le16(SMB2_WRITE_HE) #define SMB2_LOCK cpu_to_le16(SMB2_LOCK_HE) #define SMB2_IOCTL cpu_to_le16(SMB2_IOCTL_HE) #define SMB2_CANCEL cpu_to_le16(SMB2_CANCEL_HE) #define SMB2_ECHO cpu_to_le16(SMB2_ECHO_HE) #define SMB2_QUERY_DIRECTORY cpu_to_le16(SMB2_QUERY_DIRECTORY_HE) #define SMB2_CHANGE_NOTIFY cpu_to_le16(SMB2_CHANGE_NOTIFY_HE) #define SMB2_QUERY_INFO cpu_to_le16(SMB2_QUERY_INFO_HE) #define SMB2_SET_INFO cpu_to_le16(SMB2_SET_INFO_HE) #define SMB2_OPLOCK_BREAK cpu_to_le16(SMB2_OPLOCK_BREAK_HE) #define SMB2_INTERNAL_CMD cpu_to_le16(0xFFFF) #define NUMBER_OF_SMB2_COMMANDS 0x0013 /* 52 transform hdr + 64 hdr + 88 create rsp */ #define MAX_SMB2_HDR_SIZE 204 #define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe) #define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd) /* * SMB2 Header Definition * * "MBZ" : Must be Zero * "BB" : BugBug, Something to check/review/analyze later * "PDU" : "Protocol Data Unit" (ie a network "frame") * */ #define SMB2_HEADER_STRUCTURE_SIZE cpu_to_le16(64) struct smb2_sync_hdr { __le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */ __le16 StructureSize; /* 64 */ __le16 CreditCharge; /* MBZ */ __le32 Status; /* Error from server */ __le16 Command; __le16 CreditRequest; /* CreditResponse */ __le32 Flags; __le32 NextCommand; __le64 MessageId; __le32 ProcessId; __u32 TreeId; /* opaque - so do not make little endian */ __u64 SessionId; /* opaque - so do not make little endian */ __u8 Signature[16]; } __packed; struct smb2_sync_pdu { struct smb2_sync_hdr sync_hdr; __le16 StructureSize2; /* size of wct area (varies, request specific) */ } __packed; struct smb2_hdr { __be32 smb2_buf_length; /* big endian on wire */ /* length is only two or three bytes - with */ /* one or two byte type preceding it that MBZ */ struct smb2_sync_hdr sync_hdr; } __packed; struct smb2_pdu { struct smb2_hdr hdr; __le16 StructureSize2; /* size of wct area (varies, request specific) */ } __packed; #define SMB3_AES128CMM_NONCE 11 #define SMB3_AES128GCM_NONCE 12 struct smb2_transform_hdr { __be32 smb2_buf_length; /* big endian on wire */ /* length is only two or three bytes - with one or two byte type preceding it that MBZ */ __le32 ProtocolId; /* 0xFD 'S' 'M' 'B' */ __u8 Signature[16]; __u8 Nonce[16]; __le32 OriginalMessageSize; __u16 Reserved1; __le16 Flags; /* EncryptionAlgorithm */ __u64 SessionId; } __packed; /* * SMB2 flag definitions */ #define SMB2_FLAGS_SERVER_TO_REDIR cpu_to_le32(0x00000001) #define SMB2_FLAGS_ASYNC_COMMAND cpu_to_le32(0x00000002) #define SMB2_FLAGS_RELATED_OPERATIONS cpu_to_le32(0x00000004) #define SMB2_FLAGS_SIGNED cpu_to_le32(0x00000008) #define SMB2_FLAGS_DFS_OPERATIONS cpu_to_le32(0x10000000) /* * 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 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; 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[0]; } __packed; #define SMB2_CLIENT_GUID_SIZE 16 struct smb2_negotiate_req { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 36 */ __le16 DialectCount; __le16 SecurityMode; __le16 Reserved; /* MBZ */ __le32 Capabilities; __u8 ClientGUID[SMB2_CLIENT_GUID_SIZE]; /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */ __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */ __le16 NegotiateContextCount; /* SMB3.1.1 only. MBZ earlier */ __le16 Reserved2; __le16 Dialects[1]; /* One dialect (vers=) at a time for now */ } __packed; /* Dialects */ #define SMB20_PROT_ID 0x0202 #define SMB21_PROT_ID 0x0210 #define SMB30_PROT_ID 0x0300 #define SMB302_PROT_ID 0x0302 #define SMB311_PROT_ID 0x0311 #define BAD_PROT_ID 0xFFFF /* SecurityMode flags */ #define SMB2_NEGOTIATE_SIGNING_ENABLED 0x0001 #define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002 /* Capabilities flags */ #define SMB2_GLOBAL_CAP_DFS 0x00000001 #define SMB2_GLOBAL_CAP_LEASING 0x00000002 /* Resp only New to SMB2.1 */ #define SMB2_GLOBAL_CAP_LARGE_MTU 0X00000004 /* Resp only New to SMB2.1 */ #define SMB2_GLOBAL_CAP_MULTI_CHANNEL 0x00000008 /* New to SMB3 */ #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */ #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING 0x00000020 /* New to SMB3 */ #define SMB2_GLOBAL_CAP_ENCRYPTION 0x00000040 /* New to SMB3 */ /* Internal types */ #define SMB2_NT_FIND 0x00100000 #define SMB2_LARGE_FILES 0x00200000 #define SMB311_SALT_SIZE 32 /* Hash Algorithm Types */ #define SMB2_PREAUTH_INTEGRITY_SHA512 cpu_to_le16(0x0001) struct smb2_preauth_neg_context { __le16 ContextType; /* 1 */ __le16 DataLength; __le32 Reserved; __le16 HashAlgorithmCount; /* 1 */ __le16 SaltLength; __le16 HashAlgorithms; /* HashAlgorithms[0] since only one defined */ __u8 Salt[SMB311_SALT_SIZE]; } __packed; /* Encryption Algorithms Ciphers */ #define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001) #define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002) struct smb2_encryption_neg_context { __le16 ContextType; /* 2 */ __le16 DataLength; __le32 Reserved; __le16 CipherCount; /* AES-128-GCM and AES-128-CCM */ __le16 Ciphers[2]; /* Ciphers[0] since only one used now */ } __packed; struct smb2_negotiate_rsp { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 65 */ __le16 SecurityMode; __le16 DialectRevision; __le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */ __u8 ServerGUID[16]; __le32 Capabilities; __le32 MaxTransactSize; __le32 MaxReadSize; __le32 MaxWriteSize; __le64 SystemTime; /* MBZ */ __le64 ServerStartTime; __le16 SecurityBufferOffset; __le16 SecurityBufferLength; __le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */ __u8 Buffer[1]; /* variable length GSS security buffer */ } __packed; /* Flags */ #define SMB2_SESSION_REQ_FLAG_BINDING 0x01 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04 struct smb2_sess_setup_req { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 25 */ __u8 Flags; __u8 SecurityMode; __le32 Capabilities; __le32 Channel; __le16 SecurityBufferOffset; __le16 SecurityBufferLength; __u64 PreviousSessionId; __u8 Buffer[1]; /* variable length GSS security buffer */ } __packed; /* Currently defined SessionFlags */ #define SMB2_SESSION_FLAG_IS_GUEST 0x0001 #define SMB2_SESSION_FLAG_IS_NULL 0x0002 #define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004 struct smb2_sess_setup_rsp { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 9 */ __le16 SessionFlags; __le16 SecurityBufferOffset; __le16 SecurityBufferLength; __u8 Buffer[1]; /* variable length GSS security buffer */ } __packed; struct smb2_logoff_req { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 4 */ __le16 Reserved; } __packed; struct smb2_logoff_rsp { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 4 */ __le16 Reserved; } __packed; /* Flags/Reserved for SMB3.1.1 */ #define SMB2_SHAREFLAG_CLUSTER_RECONNECT 0x0001 struct smb2_tree_connect_req { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 9 */ __le16 Reserved; /* Flags in SMB3.1.1 */ __le16 PathOffset; __le16 PathLength; __u8 Buffer[1]; /* variable length */ } __packed; struct smb2_tree_connect_rsp { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 16 */ __u8 ShareType; /* see below */ __u8 Reserved; __le32 ShareFlags; /* see below */ __le32 Capabilities; /* see below */ __le32 MaximalAccess; } __packed; /* Possible ShareType values */ #define SMB2_SHARE_TYPE_DISK 0x01 #define SMB2_SHARE_TYPE_PIPE 0x02 #define SMB2_SHARE_TYPE_PRINT 0x03 /* * Possible ShareFlags - exactly one and only one of the first 4 caching flags * must be set (any of the remaining, SHI1005, flags may be set individually * or in combination. */ #define SMB2_SHAREFLAG_MANUAL_CACHING 0x00000000 #define SMB2_SHAREFLAG_AUTO_CACHING 0x00000010 #define SMB2_SHAREFLAG_VDO_CACHING 0x00000020 #define SMB2_SHAREFLAG_NO_CACHING 0x00000030 #define SHI1005_FLAGS_DFS 0x00000001 #define SHI1005_FLAGS_DFS_ROOT 0x00000002 #define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS 0x00000100 #define SHI1005_FLAGS_FORCE_SHARED_DELETE 0x00000200 #define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING 0x00000400 #define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM 0x00000800 #define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK 0x00001000 #define SHI1005_FLAGS_ENABLE_HASH_V1 0x00002000 #define SHI1005_FLAGS_ENABLE_HASH_V2 0x00004000 #define SHI1005_FLAGS_ENCRYPT_DATA 0x00008000 #define SHI1005_FLAGS_ALL 0x0000FF33 /* Possible share capabilities */ #define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) /* all dialects */ #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */ #define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */ #define SMB2_SHARE_CAP_CLUSTER cpu_to_le32(0x00000040) /* 3.0 */ #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */ struct smb2_tree_disconnect_req { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 4 */ __le16 Reserved; } __packed; struct smb2_tree_disconnect_rsp { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 4 */ __le16 Reserved; } __packed; /* File Attrubutes */ #define FILE_ATTRIBUTE_READONLY 0x00000001 #define FILE_ATTRIBUTE_HIDDEN 0x00000002 #define FILE_ATTRIBUTE_SYSTEM 0x00000004 #define FILE_ATTRIBUTE_DIRECTORY 0x00000010 #define FILE_ATTRIBUTE_ARCHIVE 0x00000020 #define FILE_ATTRIBUTE_NORMAL 0x00000080 #define FILE_ATTRIBUTE_TEMPORARY 0x00000100 #define FILE_ATTRIBUTE_SPARSE_FILE 0x00000200 #define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400 #define FILE_ATTRIBUTE_COMPRESSED 0x00000800 #define FILE_ATTRIBUTE_OFFLINE 0x00001000 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x00002000 #define FILE_ATTRIBUTE_ENCRYPTED 0x00004000 #define FILE_ATTRIBUTE_INTEGRITY_STREAM 0x00008000 #define FILE_ATTRIBUTE_NO_SCRUB_DATA 0x00020000 /* Oplock levels */ #define SMB2_OPLOCK_LEVEL_NONE 0x00 #define SMB2_OPLOCK_LEVEL_II 0x01 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08 #define SMB2_OPLOCK_LEVEL_BATCH 0x09 #define SMB2_OPLOCK_LEVEL_LEASE 0xFF /* Non-spec internal type */ #define SMB2_OPLOCK_LEVEL_NOCHANGE 0x99 /* Desired Access Flags */ #define FILE_READ_DATA_LE cpu_to_le32(0x00000001) #define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002) #define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004) #define FILE_READ_EA_LE cpu_to_le32(0x00000008) #define FILE_WRITE_EA_LE cpu_to_le32(0x00000010) #define FILE_EXECUTE_LE cpu_to_le32(0x00000020) #define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080) #define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100) #define FILE_DELETE_LE cpu_to_le32(0x00010000) #define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000) #define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000) #define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000) #define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000) #define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000) #define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000) #define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000) #define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000) #define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000) #define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000) /* ShareAccess Flags */ #define FILE_SHARE_READ_LE cpu_to_le32(0x00000001) #define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002) #define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004) #define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007) /* CreateDisposition Flags */ #define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000) #define FILE_OPEN_LE cpu_to_le32(0x00000001) #define FILE_CREATE_LE cpu_to_le32(0x00000002) #define FILE_OPEN_IF_LE cpu_to_le32(0x00000003) #define FILE_OVERWRITE_LE cpu_to_le32(0x00000004) #define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005) /* CreateOptions Flags */ #define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001) /* same as #define CREATE_NOT_FILE_LE cpu_to_le32(0x00000001) */ #define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002) #define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004) #define FILE_NO_INTERMEDIATE_BUFFERRING_LE cpu_to_le32(0x00000008) #define FILE_SYNCHRONOUS_IO_ALERT_LE cpu_to_le32(0x00000010) #define FILE_SYNCHRONOUS_IO_NON_ALERT_LE cpu_to_le32(0x00000020) #define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040) #define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100) #define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200) #define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800) #define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000) #define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000) #define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000) #define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000) #define FILE_RESERVE_OPFILTER_LE cpu_to_le32(0x00100000) #define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000) #define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000) #define FILE_OPEN_FOR_FREE_SPACE_QUERY_LE cpu_to_le32(0x00800000) #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \ | FILE_READ_ATTRIBUTES_LE) #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \ | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE) #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE) /* Impersonation Levels */ #define IL_ANONYMOUS cpu_to_le32(0x00000000) #define IL_IDENTIFICATION cpu_to_le32(0x00000001) #define IL_IMPERSONATION cpu_to_le32(0x00000002) #define IL_DELEGATE cpu_to_le32(0x00000003) /* Create Context Values */ #define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */ #define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */ #define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ" #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC" #define SMB2_CREATE_ALLOCATION_SIZE "AISi" #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc" #define SMB2_CREATE_TIMEWARP_REQUEST "TWrp" #define SMB2_CREATE_QUERY_ON_DISK_ID "QFid" #define SMB2_CREATE_REQUEST_LEASE "RqLs" #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q" #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C" #define SMB2_CREATE_APP_INSTANCE_ID 0x45BCA66AEFA7F74A9008FA462E144D74 #define SVHDX_OPEN_DEVICE_CONTEXT 0x83CE6F1AD851E0986E34401CC9BCFCE9 struct smb2_create_req { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 57 */ __u8 SecurityFlags; __u8 RequestedOplockLevel; __le32 ImpersonationLevel; __le64 SmbCreateFlags; __le64 Reserved; __le32 DesiredAccess; __le32 FileAttributes; __le32 ShareAccess; __le32 CreateDisposition; __le32 CreateOptions; __le16 NameOffset; __le16 NameLength; __le32 CreateContextsOffset; __le32 CreateContextsLength; __u8 Buffer[0]; } __packed; struct smb2_create_rsp { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 89 */ __u8 OplockLevel; __u8 Reserved; __le32 CreateAction; __le64 CreationTime; __le64 LastAccessTime; __le64 LastWriteTime; __le64 ChangeTime; __le64 AllocationSize; __le64 EndofFile; __le32 FileAttributes; __le32 Reserved2; __u64 PersistentFileId; /* opaque endianness */ __u64 VolatileFileId; /* opaque endianness */ __le32 CreateContextsOffset; __le32 CreateContextsLength; __u8 Buffer[1]; } __packed; struct create_context { __le32 Next; __le16 NameOffset; __le16 NameLength; __le16 Reserved; __le16 DataOffset; __le32 DataLength; __u8 Buffer[0]; } __packed; #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(0x02) #define SMB2_LEASE_KEY_SIZE 16 struct lease_context { __le64 LeaseKeyLow; __le64 LeaseKeyHigh; __le32 LeaseState; __le32 LeaseFlags; __le64 LeaseDuration; } __packed; struct lease_context_v2 { __le64 LeaseKeyLow; __le64 LeaseKeyHigh; __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; /* 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 2.2.14.2.12 */ 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; } __packed; #define COPY_CHUNK_RES_KEY_SIZE 24 struct resume_key_req { char ResumeKey[COPY_CHUNK_RES_KEY_SIZE]; __le32 ContextLength; /* MBZ */ char Context[0]; /* 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; 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; /* 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 /* 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[3]; /* BB expand this if autonegotiate > 3 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 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; #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; 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[0]; } __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; /* Currently defined values for close flags */ #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001) struct smb2_close_req { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 24 */ __le16 Flags; __le32 Reserved; __u64 PersistentFileId; /* opaque endianness */ __u64 VolatileFileId; /* opaque endianness */ } __packed; struct smb2_close_rsp { struct smb2_hdr hdr; __le16 StructureSize; /* 60 */ __le16 Flags; __le32 Reserved; __le64 CreationTime; __le64 LastAccessTime; __le64 LastWriteTime; __le64 ChangeTime; __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ __le64 EndOfFile; __le32 Attributes; } __packed; struct smb2_flush_req { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 24 */ __le16 Reserved1; __le32 Reserved2; __u64 PersistentFileId; /* opaque endianness */ __u64 VolatileFileId; /* opaque endianness */ } __packed; struct smb2_flush_rsp { struct smb2_hdr hdr; __le16 StructureSize; __le16 Reserved; } __packed; /* For read request Flags field below, following flag is defined for SMB3.02 */ #define SMB2_READFLAG_READ_UNBUFFERED 0x01 /* Channel field for read and write: exactly one of following flags can be set*/ #define SMB2_CHANNEL_NONE 0x00000000 #define SMB2_CHANNEL_RDMA_V1 0x00000001 /* SMB3 or later */ #define SMB2_CHANNEL_RDMA_V1_INVALIDATE 0x00000002 /* SMB3.02 or later */ /* SMB2 read request without RFC1001 length at the beginning */ struct smb2_read_plain_req { struct smb2_sync_hdr sync_hdr; __le16 StructureSize; /* Must be 49 */ __u8 Padding; /* offset from start of SMB2 header to place read */ __u8 Flags; /* MBZ unless SMB3.02 or later */ __le32 Length; __le64 Offset; __u64 PersistentFileId; /* opaque endianness */ __u64 VolatileFileId; /* opaque endianness */ __le32 MinimumCount; __le32 Channel; /* MBZ except for SMB3 or later */ __le32 RemainingBytes; __le16 ReadChannelInfoOffset; /* Reserved MBZ */ __le16 ReadChannelInfoLength; /* Reserved MBZ */ __u8 Buffer[1]; } __packed; struct smb2_read_rsp { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 17 */ __u8 DataOffset; __u8 Reserved; __le32 DataLength; __le32 DataRemaining; __u32 Reserved2; __u8 Buffer[1]; } __packed; /* For write request Flags field below the following flags are defined: */ #define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 /* SMB2.1 or later */ #define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002 /* SMB3.02 or later */ struct smb2_write_req { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 49 */ __le16 DataOffset; /* offset from start of SMB2 header to write data */ __le32 Length; __le64 Offset; __u64 PersistentFileId; /* opaque endianness */ __u64 VolatileFileId; /* opaque endianness */ __le32 Channel; /* Reserved MBZ */ __le32 RemainingBytes; __le16 WriteChannelInfoOffset; /* Reserved MBZ */ __le16 WriteChannelInfoLength; /* Reserved MBZ */ __le32 Flags; __u8 Buffer[1]; } __packed; struct smb2_write_rsp { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 17 */ __u8 DataOffset; __u8 Reserved; __le32 DataLength; __le32 DataRemaining; __u32 Reserved2; __u8 Buffer[1]; } __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; __le32 Reserved; __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 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; 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 Reserved; __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 */ 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[0]; /* 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 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 */ #define SMB2_MIN_EA_BUF 2048 #define SMB2_MAX_EA_BUF 65536 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]; /* \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 */ #endif /* _SMB2PDU_H */