/* 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" /* * 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 * 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) /*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 #define SMB2_CLIENT_GUID_SIZE 16 #define SMB2_CREATE_GUID_SIZE 16 /* 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 SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe) /* 'B''M''S' */ #define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd) #define SMB21_DEFAULT_IOSIZE (1024 * 1024) #define SMB3_DEFAULT_IOSIZE (4 * 1024 * 1024) #define SMB3_DEFAULT_TRANS_SIZE (1024 * 1024) /* * 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 64 #define SMB2_HEADER_STRUCTURE_SIZE \ cpu_to_le16(__SMB2_HEADER_STRUCTURE_SIZE) 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 */ __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; union { struct { __le32 ProcessId; __le32 TreeId; } __packed SyncId; __le64 AsyncId; } __packed Id; __le64 SessionId; __u8 Signature[16]; } __packed; struct smb2_pdu { struct smb2_hdr hdr; __le16 StructureSize2; /* size of wct area (varies, request specific) */ } __packed; #define SMB3_AES_CCM_NONCE 11 #define SMB3_AES_GCM_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 */ __le64 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) #define SMB2_FLAGS_REPLAY_OPERATIONS cpu_to_le32(0x20000000) /* * 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 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; /* SecurityMode flags */ #define SMB2_NEGOTIATE_SIGNING_ENABLED_LE cpu_to_le16(0x0001) #define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002 #define SMB2_NEGOTIATE_SIGNING_REQUIRED_LE cpu_to_le16(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) #define PREAUTH_HASHVALUE_SIZE 64 struct preauth_integrity_info { /* PreAuth integrity Hash ID */ __le16 Preauth_HashId; /* PreAuth integrity Hash Value */ __u8 Preauth_HashValue[PREAUTH_HASHVALUE_SIZE]; }; /* offset is sizeof smb2_negotiate_rsp - 4 but rounded up to 8 bytes. */ #ifdef CONFIG_SMB_SERVER_KERBEROS5 /* sizeof(struct smb2_negotiate_rsp) - 4 = * header(64) + response(64) + GSS_LENGTH(96) + GSS_PADDING(0) */ #define OFFSET_OF_NEG_CONTEXT 0xe0 #else /* sizeof(struct smb2_negotiate_rsp) - 4 = * header(64) + response(64) + GSS_LENGTH(74) + GSS_PADDING(6) */ #define OFFSET_OF_NEG_CONTEXT 0xd0 #endif #define SMB2_PREAUTH_INTEGRITY_CAPABILITIES cpu_to_le16(1) #define SMB2_ENCRYPTION_CAPABILITIES cpu_to_le16(2) #define SMB2_COMPRESSION_CAPABILITIES cpu_to_le16(3) #define SMB2_NETNAME_NEGOTIATE_CONTEXT_ID cpu_to_le16(5) #define SMB2_SIGNING_CAPABILITIES cpu_to_le16(8) #define SMB2_POSIX_EXTENSIONS_AVAILABLE cpu_to_le16(0x100) struct smb2_neg_context { __le16 ContextType; __le16 DataLength; __le32 Reserved; /* Followed by array of data */ } __packed; 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) #define SMB2_ENCRYPTION_AES256_CCM cpu_to_le16(0x0003) #define SMB2_ENCRYPTION_AES256_GCM cpu_to_le16(0x0004) struct smb2_encryption_neg_context { __le16 ContextType; /* 2 */ __le16 DataLength; __le32 Reserved; /* CipherCount usally 2, but can be 3 when AES256-GCM enabled */ __le16 CipherCount; /* AES-128-GCM and AES-128-CCM by default */ __le16 Ciphers[]; } __packed; #define SMB3_COMPRESS_NONE cpu_to_le16(0x0000) #define SMB3_COMPRESS_LZNT1 cpu_to_le16(0x0001) #define SMB3_COMPRESS_LZ77 cpu_to_le16(0x0002) #define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003) struct smb2_compression_ctx { __le16 ContextType; /* 3 */ __le16 DataLength; __le32 Reserved; __le16 CompressionAlgorithmCount; __u16 Padding; __le32 Reserved1; __le16 CompressionAlgorithms[]; } __packed; #define POSIX_CTXT_DATA_LEN 16 struct smb2_posix_neg_context { __le16 ContextType; /* 0x100 */ __le16 DataLength; __le32 Reserved; __u8 Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */ } __packed; struct smb2_netname_neg_context { __le16 ContextType; /* 0x100 */ __le16 DataLength; __le32 Reserved; __le16 NetName[]; /* hostname of target converted to UCS-2 */ } __packed; /* Signing algorithms */ #define SIGNING_ALG_HMAC_SHA256 cpu_to_le16(0) #define SIGNING_ALG_AES_CMAC cpu_to_le16(1) #define SIGNING_ALG_AES_GMAC cpu_to_le16(2) struct smb2_signing_capabilities { __le16 ContextType; /* 8 */ __le16 DataLength; __le32 Reserved; __le16 SigningAlgorithmCount; __le16 SigningAlgorithms[]; } __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 #define SMB2_SESSION_EXPIRED (0) #define SMB2_SESSION_IN_PROGRESS BIT(0) #define SMB2_SESSION_VALID BIT(1) /* 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; __le64 PreviousSessionId; __u8 Buffer[1]; /* variable length GSS security buffer */ } __packed; /* Flags/Reserved for SMB3.1.1 */ #define SMB2_SHAREFLAG_CLUSTER_RECONNECT 0x0001 /* Currently defined SessionFlags */ #define SMB2_SESSION_FLAG_IS_GUEST_LE cpu_to_le16(0x0001) #define SMB2_SESSION_FLAG_IS_NULL_LE cpu_to_le16(0x0002) #define SMB2_SESSION_FLAG_ENCRYPT_DATA_LE cpu_to_le16(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; 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 0x00002000 /* Possible share capabilities */ #define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) 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; #define ATTR_READONLY_LE cpu_to_le32(ATTR_READONLY) #define ATTR_HIDDEN_LE cpu_to_le32(ATTR_HIDDEN) #define ATTR_SYSTEM_LE cpu_to_le32(ATTR_SYSTEM) #define ATTR_DIRECTORY_LE cpu_to_le32(ATTR_DIRECTORY) #define ATTR_ARCHIVE_LE cpu_to_le32(ATTR_ARCHIVE) #define ATTR_NORMAL_LE cpu_to_le32(ATTR_NORMAL) #define ATTR_TEMPORARY_LE cpu_to_le32(ATTR_TEMPORARY) #define ATTR_SPARSE_FILE_LE cpu_to_le32(ATTR_SPARSE) #define ATTR_REPARSE_POINT_LE cpu_to_le32(ATTR_REPARSE) #define ATTR_COMPRESSED_LE cpu_to_le32(ATTR_COMPRESSED) #define ATTR_OFFLINE_LE cpu_to_le32(ATTR_OFFLINE) #define ATTR_NOT_CONTENT_INDEXED_LE cpu_to_le32(ATTR_NOT_CONTENT_INDEXED) #define ATTR_ENCRYPTED_LE cpu_to_le32(ATTR_ENCRYPTED) #define ATTR_INTEGRITY_STREAML_LE cpu_to_le32(0x00008000) #define ATTR_NO_SCRUB_DATA_LE cpu_to_le32(0x00020000) #define ATTR_MASK_LE cpu_to_le32(0x00007FB7) /* 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_LIST_DIRECTORY_LE cpu_to_le32(0x00000001) #define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002) #define FILE_ADD_FILE_LE cpu_to_le32(0x00000002) #define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004) #define FILE_ADD_SUBDIRECTORY_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_TRAVERSE_LE cpu_to_le32(0x00000020) #define FILE_DELETE_CHILD_LE cpu_to_le32(0x00000040) #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) #define DESIRED_ACCESS_MASK cpu_to_le32(0xF21F01FF) /* 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) #define FILE_CREATE_MASK_LE cpu_to_le32(0x00000007) #define FILE_READ_DESIRED_ACCESS_LE (FILE_READ_DATA_LE | \ FILE_READ_EA_LE | \ FILE_GENERIC_READ_LE) #define FILE_WRITE_DESIRE_ACCESS_LE (FILE_WRITE_DATA_LE | \ FILE_APPEND_DATA_LE | \ FILE_WRITE_EA_LE | \ FILE_WRITE_ATTRIBUTES_LE | \ FILE_GENERIC_WRITE_LE) /* Impersonation Levels */ #define IL_ANONYMOUS_LE cpu_to_le32(0x00000000) #define IL_IDENTIFICATION_LE cpu_to_le32(0x00000001) #define IL_IMPERSONATION_LE cpu_to_le32(0x00000002) #define IL_DELEGATE_LE 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 "AlSi" #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 "\x45\xBC\xA6\x6A\xEF\xA7\xF7\x4A\x90\x08\xFA\x46\x2E\x14\x4D\x74" #define SMB2_CREATE_APP_INSTANCE_VERSION "\xB9\x82\xD0\xB7\x3B\x56\x07\x4F\xA0\x7B\x52\x4A\x81\x16\xA0\x10" #define SVHDX_OPEN_DEVICE_CONTEXT 0x83CE6F1AD851E0986E34401CC9BCFCE9 #define SMB2_CREATE_TAG_POSIX "\x93\xAD\x25\x50\x9C\xB4\x11\xE7\xB4\x23\x83\xDE\x96\x8B\xCD\x7C" 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; __le64 PersistentFileId; __le64 VolatileFileId; __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; 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) 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; /* 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; __le64 PersistentFileId; __le64 VolatileFileId; } __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; __le64 PersistentFileId; __le64 VolatileFileId; } __packed; struct smb2_flush_rsp { struct smb2_hdr hdr; __le16 StructureSize; __le16 Reserved; } __packed; struct smb2_buffer_desc_v1 { __le64 offset; __le32 token; __le32 length; } __packed; #define SMB2_CHANNEL_NONE cpu_to_le32(0x00000000) #define SMB2_CHANNEL_RDMA_V1 cpu_to_le32(0x00000001) #define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) struct smb2_read_req { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 49 */ __u8 Padding; /* offset from start of SMB2 header to place read */ __u8 Reserved; __le32 Length; __le64 Offset; __le64 PersistentFileId; __le64 VolatileFileId; __le32 MinimumCount; __le32 Channel; /* Reserved MBZ */ __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 flag is defined: */ #define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 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; __le64 PersistentFileId; __le64 VolatileFileId; __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_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; /* Completion Filter flags for Notify */ #define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001 #define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002 #define FILE_NOTIFY_CHANGE_NAME 0x00000003 #define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004 #define FILE_NOTIFY_CHANGE_SIZE 0x00000008 #define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020 #define FILE_NOTIFY_CHANGE_CREATION 0x00000040 #define FILE_NOTIFY_CHANGE_EA 0x00000080 #define FILE_NOTIFY_CHANGE_SECURITY 0x00000100 #define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200 #define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800 /* Flags */ #define SMB2_WATCH_TREE 0x0001 struct smb2_notify_req { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 32 */ __le16 Flags; __le32 OutputBufferLength; __le64 PersistentFileId; __le64 VolatileFileId; __u32 CompletionFileter; __u32 Reserved; } __packed; struct smb2_notify_rsp { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 9 */ __le16 OutputBufferOffset; __le32 OutputBufferLength; __u8 Buffer[1]; } __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_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(0x0000103e) 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 */ int init_smb2_0_server(struct ksmbd_conn *conn); 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); #endif /* _SMB2PDU_H */