| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Ronnie Sahlberg | 1926 | 38.62% | 8 | 9.76% |
| Steve French | 1784 | 35.77% | 39 | 47.56% |
| Pavel Shilovsky | 654 | 13.11% | 22 | 26.83% |
| Namjae Jeon | 536 | 10.75% | 6 | 7.32% |
| Kees Cook | 42 | 0.84% | 1 | 1.22% |
| Paulo Alcantara | 24 | 0.48% | 1 | 1.22% |
| Dmitry Antipov | 8 | 0.16% | 1 | 1.22% |
| Gustavo A. R. Silva | 7 | 0.14% | 1 | 1.22% |
| Aurelien Aptel | 3 | 0.06% | 1 | 1.22% |
| Sachin S. Prabhu | 2 | 0.04% | 1 | 1.22% |
| Randy Dunlap | 1 | 0.02% | 1 | 1.22% |
| Total | 4987 | 82 |
/* SPDX-License-Identifier: LGPL-2.1 */ #ifndef _COMMON_SMB2PDU_H #define _COMMON_SMB2PDU_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 #define SMB2_SERVER_TO_CLIENT_NOTIFICATION 0x0013 /* 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 /* * 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 * This size is big enough to store any cipher key types. */ #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 /* Maximum buffer size value we can send with 1 credit */ #define SMB2_MAX_BUFFER_SIZE 65536 /* * The default wsize is 1M for SMB2 (and for some CIFS cases). * find_get_pages seems to return a maximum of 256 * pages in a single call. With PAGE_SIZE == 4k, this means we can * fill a single wsize request with a single call. */ #define SMB3_DEFAULT_IOSIZE (4 * 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) #define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe) #define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd) #define SMB2_COMPRESSION_TRANSFORM_ID cpu_to_le32(0x424d53fc) /* * 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_PRIORITY_MASK cpu_to_le32(0x00000070) /* SMB3.1.1 */ #define SMB2_FLAGS_DFS_OPERATIONS cpu_to_le32(0x10000000) #define SMB2_FLAGS_REPLAY_OPERATION cpu_to_le32(0x20000000) /* SMB3 & up */ /* * 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. * */ /* See MS-SMB2 section 2.2.1 */ struct smb2_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; union { struct { __le32 ProcessId; __le32 TreeId; } __packed SyncId; __le64 AsyncId; } __packed Id; __le64 SessionId; __u8 Signature[16]; } __packed; struct smb3_hdr_req { __le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */ __le16 StructureSize; /* 64 */ __le16 CreditCharge; /* MBZ */ __le16 ChannelSequence; /* See MS-SMB2 3.2.4.1 and 3.2.7.1 */ __le16 Reserved; __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 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[]; /* variable length */ } __packed; #define SMB3_AES_CCM_NONCE 11 #define SMB3_AES_GCM_NONCE 12 /* Transform flags (for 3.0 dialect this flag indicates CCM */ #define TRANSFORM_FLAG_ENCRYPTED 0x0001 struct smb2_transform_hdr { __le32 ProtocolId; /* 0xFD 'S' 'M' 'B' */ __u8 Signature[16]; __u8 Nonce[16]; __le32 OriginalMessageSize; __u16 Reserved1; __le16 Flags; /* EncryptionAlgorithm for 3.0, enc enabled for 3.1.1 */ __le64 SessionId; } __packed; /* See MS-SMB2 2.2.42 */ struct smb2_compression_transform_hdr_unchained { __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */ __le32 OriginalCompressedSegmentSize; __le16 CompressionAlgorithm; __le16 Flags; __le16 Length; /* if chained it is length, else offset */ } __packed; /* See MS-SMB2 2.2.42.1 */ #define SMB2_COMPRESSION_FLAG_NONE 0x0000 #define SMB2_COMPRESSION_FLAG_CHAINED 0x0001 struct compression_payload_header { __le16 CompressionAlgorithm; __le16 Flags; __le32 Length; /* length of compressed playload including field below if present */ /* __le32 OriginalPayloadSize; */ /* optional, present when LZNT1, LZ77, LZ77+Huffman */ } __packed; /* See MS-SMB2 2.2.42.2 */ struct smb2_compression_transform_hdr_chained { __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */ __le32 OriginalCompressedSegmentSize; /* struct compression_payload_header[] */ } __packed; /* See MS-SMB2 2.2.42.2.2 */ struct compression_pattern_payload_v1 { __le16 Pattern; __le16 Reserved1; __le16 Reserved2; __le32 Repetitions; } __packed; /* See MS-SMB2 section 2.2.9.2 */ /* Context Types */ #define SMB2_RESERVED_TREE_CONNECT_CONTEXT_ID 0x0000 #define SMB2_REMOTED_IDENTITY_TREE_CONNECT_CONTEXT_ID cpu_to_le16(0x0001) struct tree_connect_contexts { __le16 ContextType; __le16 DataLength; __le32 Reserved; __u8 Data[]; } __packed; /* Remoted identity tree connect context structures - see MS-SMB2 2.2.9.2.1 */ struct smb3_blob_data { __le16 BlobSize; __u8 BlobData[]; } __packed; /* Valid values for Attr */ #define SE_GROUP_MANDATORY 0x00000001 #define SE_GROUP_ENABLED_BY_DEFAULT 0x00000002 #define SE_GROUP_ENABLED 0x00000004 #define SE_GROUP_OWNER 0x00000008 #define SE_GROUP_USE_FOR_DENY_ONLY 0x00000010 #define SE_GROUP_INTEGRITY 0x00000020 #define SE_GROUP_INTEGRITY_ENABLED 0x00000040 #define SE_GROUP_RESOURCE 0x20000000 #define SE_GROUP_LOGON_ID 0xC0000000 /* struct sid_attr_data is SidData array in BlobData format then le32 Attr */ struct sid_array_data { __le16 SidAttrCount; /* SidAttrList - array of sid_attr_data structs */ } __packed; struct luid_attr_data { } __packed; /* * struct privilege_data is the same as BLOB_DATA - see MS-SMB2 2.2.9.2.1.5 * but with size of LUID_ATTR_DATA struct and BlobData set to LUID_ATTR DATA */ struct privilege_array_data { __le16 PrivilegeCount; /* array of privilege_data structs */ } __packed; struct remoted_identity_tcon_context { __le16 TicketType; /* must be 0x0001 */ __le16 TicketSize; /* total size of this struct */ __le16 User; /* offset to SID_ATTR_DATA struct with user info */ __le16 UserName; /* offset to null terminated Unicode username string */ __le16 Domain; /* offset to null terminated Unicode domain name */ __le16 Groups; /* offset to SID_ARRAY_DATA struct with group info */ __le16 RestrictedGroups; /* similar to above */ __le16 Privileges; /* offset to PRIVILEGE_ARRAY_DATA struct */ __le16 PrimaryGroup; /* offset to SID_ARRAY_DATA struct */ __le16 Owner; /* offset to BLOB_DATA struct */ __le16 DefaultDacl; /* offset to BLOB_DATA struct */ __le16 DeviceGroups; /* offset to SID_ARRAY_DATA struct */ __le16 UserClaims; /* offset to BLOB_DATA struct */ __le16 DeviceClaims; /* offset to BLOB_DATA struct */ __u8 TicketInfo[]; /* variable length buf - remoted identity data */ } __packed; struct smb2_tree_connect_req_extension { __le32 TreeConnectContextOffset; __le16 TreeConnectContextCount; __u8 Reserved[10]; __u8 PathName[]; /* variable sized array */ /* followed by array of TreeConnectContexts */ } __packed; /* Flags/Reserved for SMB3.1.1 */ #define SMB2_TREE_CONNECT_FLAG_CLUSTER_RECONNECT cpu_to_le16(0x0001) #define SMB2_TREE_CONNECT_FLAG_REDIRECT_TO_OWNER cpu_to_le16(0x0002) #define SMB2_TREE_CONNECT_FLAG_EXTENSION_PRESENT cpu_to_le16(0x0004) struct smb2_tree_connect_req { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 9 */ __le16 Flags; /* Flags in SMB3.1.1 */ __le16 PathOffset; __le16 PathLength; __u8 Buffer[]; /* variable length */ } __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 SMB2_SHAREFLAG_RESTRICT_EXCLUSIVE_OPENS 0x00000100 #define SMB2_SHAREFLAG_FORCE_SHARED_DELETE 0x00000200 #define SMB2_SHAREFLAG_ALLOW_NAMESPACE_CACHING 0x00000400 #define SMB2_SHAREFLAG_ACCESS_BASED_DIRECTORY_ENUM 0x00000800 #define SMB2_SHAREFLAG_FORCE_LEVELII_OPLOCK 0x00001000 #define SMB2_SHAREFLAG_ENABLE_HASH_V1 0x00002000 #define SMB2_SHAREFLAG_ENABLE_HASH_V2 0x00004000 #define SHI1005_FLAGS_ENCRYPT_DATA 0x00008000 #define SMB2_SHAREFLAG_IDENTITY_REMOTING 0x00040000 /* 3.1.1 */ #define SMB2_SHAREFLAG_COMPRESS_DATA 0x00100000 /* 3.1.1 */ #define SMB2_SHAREFLAG_ISOLATED_TRANSPORT 0x00200000 #define SHI1005_FLAGS_ALL 0x0034FF33 /* 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 */ #define SMB2_SHARE_CAP_REDIRECT_TO_OWNER cpu_to_le32(0x00000100) /* 3.1.1 */ 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; 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; /* * SMB2_NEGOTIATE_PROTOCOL See MS-SMB2 section 2.2.3 */ /* SecurityMode flags */ #define SMB2_NEGOTIATE_SIGNING_ENABLED 0x0001 #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) #define SMB2_SEC_MODE_FLAGS_ALL 0x0003 /* 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 */ #define SMB2_GLOBAL_CAP_NOTIFICATIONS 0x00000080 /* New to SMB3.1.1 */ /* Internal types */ #define SMB2_NT_FIND 0x00100000 #define SMB2_LARGE_FILES 0x00200000 #define SMB2_CLIENT_GUID_SIZE 16 #define SMB2_CREATE_GUID_SIZE 16 /* Dialects */ #define SMB10_PROT_ID 0x0000 /* local only, not sent on wire w/CIFS negprot */ #define SMB20_PROT_ID 0x0202 #define SMB21_PROT_ID 0x0210 #define SMB2X_PROT_ID 0x02FF #define SMB30_PROT_ID 0x0300 #define SMB302_PROT_ID 0x0302 #define SMB311_PROT_ID 0x0311 #define BAD_PROT_ID 0xFFFF #define SMB311_SALT_SIZE 32 /* Hash Algorithm Types */ #define SMB2_PREAUTH_INTEGRITY_SHA512 cpu_to_le16(0x0001) #define SMB2_PREAUTH_HASH_SIZE 64 /* Negotiate Contexts - ContextTypes. See MS-SMB2 section 2.2.3.1 for details */ #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_TRANSPORT_CAPABILITIES cpu_to_le16(6) #define SMB2_RDMA_TRANSFORM_CAPABILITIES cpu_to_le16(7) #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. NOTE: some servers require padding to 8 byte boundary */ } __packed; /* * SaltLength that the server send can be zero, so the only three required * fields (all __le16) end up six bytes total, so the minimum context data len * in the response is six bytes which accounts for * * HashAlgorithmCount, SaltLength, and 1 HashAlgorithm. */ #define MIN_PREAUTH_CTXT_DATA_LEN 6 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) /* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */ #define MIN_ENCRYPT_CTXT_DATA_LEN 4 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; /* AES128-GCM and AES128-CCM by default */ __le16 Ciphers[]; } __packed; /* See MS-SMB2 2.2.3.1.3 */ #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) /* Pattern scanning algorithm See MS-SMB2 3.1.4.4.1 */ #define SMB3_COMPRESS_PATTERN cpu_to_le16(0x0004) /* Pattern_V1 */ /* Compression Flags */ #define SMB2_COMPRESSION_CAPABILITIES_FLAG_NONE cpu_to_le32(0x00000000) #define SMB2_COMPRESSION_CAPABILITIES_FLAG_CHAINED cpu_to_le32(0x00000001) struct smb2_compression_capabilities_context { __le16 ContextType; /* 3 */ __le16 DataLength; __le32 Reserved; __le16 CompressionAlgorithmCount; __le16 Padding; __le32 Flags; __le16 CompressionAlgorithms[3]; __u16 Pad; /* Some servers require pad to DataLen multiple of 8 */ /* Check if pad needed */ } __packed; /* * For smb2_netname_negotiate_context_id See MS-SMB2 2.2.3.1.4. * Its struct simply contains NetName, an array of Unicode characters */ struct smb2_netname_neg_context { __le16 ContextType; /* 5 */ __le16 DataLength; __le32 Reserved; __le16 NetName[]; /* hostname of target converted to UCS-2 */ } __packed; /* * For smb2_transport_capabilities context see MS-SMB2 2.2.3.1.5 * and 2.2.4.1.5 */ /* Flags */ #define SMB2_ACCEPT_TRANSPORT_LEVEL_SECURITY 0x00000001 struct smb2_transport_capabilities_context { __le16 ContextType; /* 6 */ __le16 DataLength; __u32 Reserved; __le32 Flags; __u32 Pad; } __packed; /* * For rdma transform capabilities context see MS-SMB2 2.2.3.1.6 * and 2.2.4.1.6 */ /* RDMA Transform IDs */ #define SMB2_RDMA_TRANSFORM_NONE 0x0000 #define SMB2_RDMA_TRANSFORM_ENCRYPTION 0x0001 #define SMB2_RDMA_TRANSFORM_SIGNING 0x0002 struct smb2_rdma_transform_capabilities_context { __le16 ContextType; /* 7 */ __le16 DataLength; __u32 Reserved; __le16 TransformCount; __u16 Reserved1; __u32 Reserved2; __le16 RDMATransformIds[]; } __packed; /* * For signing capabilities context see MS-SMB2 2.2.3.1.7 * and 2.2.4.1.7 */ /* Signing algorithms */ #define SIGNING_ALG_HMAC_SHA256 0 #define SIGNING_ALG_HMAC_SHA256_LE cpu_to_le16(0) #define SIGNING_ALG_AES_CMAC 1 #define SIGNING_ALG_AES_CMAC_LE cpu_to_le16(1) #define SIGNING_ALG_AES_GMAC 2 #define SIGNING_ALG_AES_GMAC_LE cpu_to_le16(2) struct smb2_signing_capabilities { __le16 ContextType; /* 8 */ __le16 DataLength; __le32 Reserved; __le16 SigningAlgorithmCount; __le16 SigningAlgorithms[]; /* Followed by padding to 8 byte boundary (required by some servers) */ } __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_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[]; } __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[]; /* variable length GSS security buffer */ } __packed; /* * SMB2_SESSION_SETUP See MS-SMB2 section 2.2.5 */ /* 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[]; /* variable length GSS security buffer */ } __packed; /* Currently defined SessionFlags */ #define SMB2_SESSION_FLAG_IS_GUEST 0x0001 #define SMB2_SESSION_FLAG_IS_GUEST_LE cpu_to_le16(0x0001) #define SMB2_SESSION_FLAG_IS_NULL 0x0002 #define SMB2_SESSION_FLAG_IS_NULL_LE cpu_to_le16(0x0002) #define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004 #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[]; /* variable length GSS security buffer */ } __packed; /* * SMB2_LOGOFF See MS-SMB2 section 2.2.7 */ 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; /* * SMB2_CLOSE See MS-SMB2 section 2.2.15 */ /* 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; /* * Maximum size of a SMB2_CLOSE response is 64 (smb2 header) + 60 (data) */ #define MAX_SMB2_CLOSE_RESPONSE_SIZE 124 struct smb2_close_rsp { struct smb2_hdr hdr; __le16 StructureSize; /* 60 */ __le16 Flags; __le32 Reserved; struct_group(network_open_info, __le64 CreationTime; __le64 LastAccessTime; __le64 LastWriteTime; __le64 ChangeTime; /* Beginning of FILE_STANDARD_INFO equivalent */ __le64 AllocationSize; __le64 EndOfFile; __le32 Attributes; ); } __packed; /* * SMB2_READ See MS-SMB2 section 2.2.19 */ /* For read request Flags field below, following flag is defined for SMB3.02 */ #define SMB2_READFLAG_READ_UNBUFFERED 0x01 #define SMB2_READFLAG_REQUEST_COMPRESSED 0x02 /* See MS-SMB2 2.2.19 */ /* Channel field for read and write: exactly one of following flags can be set*/ #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) #define SMB2_CHANNEL_RDMA_TRANSFORM cpu_to_le32(0x00000003) /* SMB2 read request without RFC1001 length at the beginning */ 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 Flags; /* MBZ unless SMB3.02 or later */ __le32 Length; __le64 Offset; __u64 PersistentFileId; __u64 VolatileFileId; __le32 MinimumCount; __le32 Channel; /* MBZ except for SMB3 or later */ __le32 RemainingBytes; __le16 ReadChannelInfoOffset; __le16 ReadChannelInfoLength; __u8 Buffer[]; } __packed; /* Read flags */ #define SMB2_READFLAG_RESPONSE_NONE cpu_to_le32(0x00000000) #define SMB2_READFLAG_RESPONSE_RDMA_TRANSFORM cpu_to_le32(0x00000001) struct smb2_read_rsp { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 17 */ __u8 DataOffset; __u8 Reserved; __le32 DataLength; __le32 DataRemaining; __le32 Flags; __u8 Buffer[]; } __packed; /* * SMB2_WRITE See MS-SMB2 section 2.2.21 */ /* 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; /* MBZ unless SMB3.02 or later */ __le32 RemainingBytes; __le16 WriteChannelInfoOffset; __le16 WriteChannelInfoLength; __le32 Flags; __u8 Buffer[]; } __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[]; } __packed; /* * SMB2_FLUSH See MS-SMB2 section 2.2.17 */ struct smb2_flush_req { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 24 */ __le16 Reserved1; __le32 Reserved2; __u64 PersistentFileId; __u64 VolatileFileId; } __packed; struct smb2_flush_rsp { struct smb2_hdr hdr; __le16 StructureSize; __le16 Reserved; } __packed; #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; /* * The least significant four bits are the index, the other 28 bits are * the lock sequence number (0 to 64). See MS-SMB2 2.2.26 */ __le32 LockSequenceNumber; __u64 PersistentFileId; __u64 VolatileFileId; /* Followed by at least one */ union { struct smb2_lock_element lock; DECLARE_FLEX_ARRAY(struct smb2_lock_element, locks); }; } __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; /* * Valid FileInformation classes for query directory * * Note that these are a subset of the (file) QUERY_INFO levels defined * later in this file (but since QUERY_DIRECTORY uses equivalent numbers * we do not redefine them here) * * FileDirectoryInfomation 0x01 * FileFullDirectoryInformation 0x02 * FileIdFullDirectoryInformation 0x26 * FileBothDirectoryInformation 0x03 * FileIdBothDirectoryInformation 0x25 * FileNamesInformation 0x0C * FileIdExtdDirectoryInformation 0x3C */ /* 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; __u64 VolatileFileId; __le16 FileNameOffset; __le16 FileNameLength; __le32 OutputBufferLength; __u8 Buffer[]; } __packed; struct smb2_query_directory_rsp { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 9 */ __le16 OutputBufferOffset; __le32 OutputBufferLength; __u8 Buffer[]; } __packed; /* * Maximum number of iovs we need for a set-info request. * The largest one is rename/hardlink * [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info * [1] : path * [2] : compound padding */ #define SMB2_SET_INFO_IOV_SIZE 3 struct smb2_set_info_req { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 33 */ __u8 InfoType; __u8 FileInfoClass; __le32 BufferLength; __le16 BufferOffset; __u16 Reserved; __le32 AdditionalInformation; __u64 PersistentFileId; __u64 VolatileFileId; __u8 Buffer[]; } __packed; struct smb2_set_info_rsp { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 2 */ } __packed; /* * SMB2_NOTIFY See MS-SMB2 section 2.2.35 */ /* notify flags */ #define SMB2_WATCH_TREE 0x0001 /* notify completion filter flags. See MS-FSCC 2.6 and MS-SMB2 2.2.35 */ #define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001 #define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002 #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 /* 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 struct smb2_change_notify_req { struct smb2_hdr hdr; __le16 StructureSize; __le16 Flags; __le32 OutputBufferLength; __u64 PersistentFileId; /* opaque endianness */ __u64 VolatileFileId; /* opaque endianness */ __le32 CompletionFilter; __u32 Reserved; } __packed; struct smb2_change_notify_rsp { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 9 */ __le16 OutputBufferOffset; __le32 OutputBufferLength; __u8 Buffer[]; /* array of file notify structs */ } __packed; /* * SMB2_SERVER_TO_CLIENT_NOTIFICATION: See MS-SMB2 section 2.2.44 */ #define SMB2_NOTIFY_SESSION_CLOSED 0x0000 struct smb2_server_client_notification { struct smb2_hdr hdr; __le16 StructureSize; __u16 Reserved; /* MBZ */ __le32 NotificationType; __u8 NotificationBuffer[4]; /* MBZ */ } __packed; /* * SMB2_CREATE See MS-SMB2 section 2.2.13 */ /* 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 /* Impersonation Levels. See MS-WPO section 9.7 and MSDN-IMPERS */ #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) /* 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 #define FILE_ATTRIBUTE__MASK 0x00007FB7 #define FILE_ATTRIBUTE_READONLY_LE cpu_to_le32(0x00000001) #define FILE_ATTRIBUTE_HIDDEN_LE cpu_to_le32(0x00000002) #define FILE_ATTRIBUTE_SYSTEM_LE cpu_to_le32(0x00000004) #define FILE_ATTRIBUTE_DIRECTORY_LE cpu_to_le32(0x00000010) #define FILE_ATTRIBUTE_ARCHIVE_LE cpu_to_le32(0x00000020) #define FILE_ATTRIBUTE_NORMAL_LE cpu_to_le32(0x00000080) #define FILE_ATTRIBUTE_TEMPORARY_LE cpu_to_le32(0x00000100) #define FILE_ATTRIBUTE_SPARSE_FILE_LE cpu_to_le32(0x00000200) #define FILE_ATTRIBUTE_REPARSE_POINT_LE cpu_to_le32(0x00000400) #define FILE_ATTRIBUTE_COMPRESSED_LE cpu_to_le32(0x00000800) #define FILE_ATTRIBUTE_OFFLINE_LE cpu_to_le32(0x00001000) #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED_LE cpu_to_le32(0x00002000) #define FILE_ATTRIBUTE_ENCRYPTED_LE cpu_to_le32(0x00004000) #define FILE_ATTRIBUTE_INTEGRITY_STREAM_LE cpu_to_le32(0x00008000) #define FILE_ATTRIBUTE_NO_SCRUB_DATA_LE cpu_to_le32(0x00020000) #define FILE_ATTRIBUTE_MASK_LE cpu_to_le32(0x00007FB7) /* 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_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_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) #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) /* 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_RIGHTS (FILE_READ_DATA | FILE_READ_EA \ | FILE_READ_ATTRIBUTES) #define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES) #define FILE_EXEC_RIGHTS (FILE_EXECUTE) /* 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_BUFFERING_LE cpu_to_le32(0x00000008) /* FILE_SYNCHRONOUS_IO_ALERT_LE cpu_to_le32(0x00000010) should be zero, ignored */ /* FILE_SYNCHRONOUS_IO_NONALERT cpu_to_le32(0x00000020) should be zero, ignored */ #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) /* FILE_OPEN_REMOTE_INSTANCE cpu_to_le32(0x00000400) should be zero, ignored */ #define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800) #define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000) /* MBZ */ #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) /* FILE_OPEN_REQUIRING_OPLOCK cpu_to_le32(0x00010000) should be zero, ignored */ /* FILE_DISALLOW_EXCLUSIVE cpu_to_le32(0x00020000) should be zero, ignored */ /* FILE_RESERVE_OPFILTER cpu_to_le32(0x00100000) MBZ */ #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 cpu_to_le32(0x00800000) should be zero, ignored */ #define CREATE_OPTIONS_MASK_LE cpu_to_le32(0x00FFFFFF) #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) /* 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_TAG_POSIX "\x93\xAD\x25\x50\x9C\xB4\x11\xE7\xB4\x23\x83\xDE\x96\x8B\xCD\x7C" #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 "\x9C\xCB\xCF\x9E\x04\xC1\xE6\x43\x98\x0E\x15\x8D\xA1\xF6\xEC\x83" #define SMB2_CREATE_TAG_AAPL "AAPL" /* Flag (SMB3 open response) values */ #define SMB2_CREATE_FLAG_REPARSEPOINT 0x01 struct create_context { __le32 Next; __le16 NameOffset; __le16 NameLength; __le16 Reserved; __le16 DataOffset; __le32 DataLength; __u8 Buffer[]; } __packed; 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[]; } __packed; struct smb2_create_rsp { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 89 */ __u8 OplockLevel; __u8 Flags; /* 0x01 if reparse point */ __le32 CreateAction; __le64 CreationTime; __le64 LastAccessTime; __le64 LastWriteTime; __le64 ChangeTime; __le64 AllocationSize; __le64 EndofFile; __le32 FileAttributes; __le32 Reserved2; __u64 PersistentFileId; __u64 VolatileFileId; __le32 CreateContextsOffset; __le32 CreateContextsLength; __u8 Buffer[]; } __packed; struct create_posix { struct create_context ccontext; __u8 Name[16]; __le32 Mode; __u32 Reserved; } __packed; /* See MS-SMB2 2.2.13.2.3 and MS-SMB2 2.2.13.2.4 */ 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 2.2.13.2.5 */ struct create_mxac_req { struct create_context ccontext; __u8 Name[8]; __le64 Timestamp; } __packed; /* See MS-SMB2 2.2.14.2.5 */ struct create_mxac_rsp { struct create_context ccontext; __u8 Name[8]; __le32 QueryStatus; __le32 MaximalAccess; } __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_FLAG_PARENT_LEASE_KEY_SET_LE cpu_to_le32(0x04) #define SMB2_LEASE_KEY_SIZE 16 /* See MS-SMB2 2.2.13.2.8 */ struct lease_context { __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; __le32 LeaseState; __le32 LeaseFlags; __le64 LeaseDuration; } __packed; /* See MS-SMB2 2.2.13.2.10 */ 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; /* See MS-SMB2 2.2.14.2.9 */ struct create_disk_id_rsp { struct create_context ccontext; __u8 Name[8]; __le64 DiskFileId; __le64 VolumeId; __u8 Reserved[16]; } __packed; /* See MS-SMB2 2.2.13.2.13 */ struct create_app_inst_id { struct create_context ccontext; __u8 Name[16]; __le32 StructureSize; /* Must be 20 */ __u16 Reserved; __u8 AppInstanceId[16]; } __packed; /* See MS-SMB2 2.2.13.2.15 */ struct create_app_inst_id_vers { struct create_context ccontext; __u8 Name[16]; __le32 StructureSize; /* Must be 24 */ __u16 Reserved; __u32 Padding; __le64 AppInstanceVersionHigh; __le64 AppInstanceVersionLow; } __packed; /* See MS-SMB2 2.2.31 and 2.2.32 */ 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 CtlCode; __u64 PersistentFileId; __u64 VolatileFileId; __le32 InputOffset; /* Reserved MBZ */ __le32 InputCount; __le32 MaxInputResponse; __le32 OutputOffset; __le32 OutputCount; __le32 MaxOutputResponse; __le32 Flags; __le32 Reserved2; __u8 Buffer[]; } __packed; struct smb2_ioctl_rsp { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 49 */ __le16 Reserved; __le32 CtlCode; __u64 PersistentFileId; __u64 VolatileFileId; __le32 InputOffset; /* Reserved MBZ */ __le32 InputCount; __le32 OutputOffset; __le32 OutputCount; __le32 Flags; __le32 Reserved2; __u8 Buffer[]; } __packed; /* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */ struct file_zero_data_information { __le64 FileOffset; __le64 BeyondFinalZero; } __packed; /* See MS-FSCC 2.3.7 */ struct duplicate_extents_to_file { __u64 PersistentFileHandle; /* source file handle, opaque endianness */ __u64 VolatileFileHandle; __le64 SourceFileOffset; __le64 TargetFileOffset; __le64 ByteCount; /* Bytes to be copied */ } __packed; /* See MS-FSCC 2.3.8 */ #define DUPLICATE_EXTENTS_DATA_EX_SOURCE_ATOMIC 0x00000001 struct duplicate_extents_to_file_ex { __u64 PersistentFileHandle; /* source file handle, opaque endianness */ __u64 VolatileFileHandle; __le64 SourceFileOffset; __le64 TargetFileOffset; __le64 ByteCount; /* Bytes to be copied */ __le32 Flags; __le32 Reserved; } __packed; /* See MS-FSCC 2.3.20 */ struct fsctl_get_integrity_information_rsp { __le16 ChecksumAlgorithm; __le16 Reserved; __le32 Flags; __le32 ChecksumChunkSizeInBytes; __le32 ClusterSizeInBytes; } __packed; /* See MS-FSCC 2.3.55 */ struct fsctl_query_file_regions_req { __le64 FileOffset; __le64 Length; __le32 DesiredUsage; __le32 Reserved; } __packed; /* DesiredUsage flags see MS-FSCC 2.3.56.1 */ #define FILE_USAGE_INVALID_RANGE 0x00000000 #define FILE_USAGE_VALID_CACHED_DATA 0x00000001 #define FILE_USAGE_NONCACHED_DATA 0x00000002 struct file_region_info { __le64 FileOffset; __le64 Length; __le32 DesiredUsage; __le32 Reserved; } __packed; /* See MS-FSCC 2.3.56 */ struct fsctl_query_file_region_rsp { __le32 Flags; __le32 TotalRegionEntryCount; __le32 RegionEntryCount; __u32 Reserved; struct file_region_info Regions[]; } __packed; /* See MS-FSCC 2.3.58 */ struct fsctl_query_on_disk_vol_info_rsp { __le64 DirectoryCount; __le64 FileCount; __le16 FsFormatMajVersion; __le16 FsFormatMinVersion; __u8 FsFormatName[24]; __le64 FormatTime; __le64 LastUpdateTime; __u8 CopyrightInfo[68]; __u8 AbstractInfo[68]; __u8 FormatImplInfo[68]; __u8 LastModifyImplInfo[68]; } __packed; /* See MS-FSCC 2.3.73 */ struct fsctl_set_integrity_information_req { __le16 ChecksumAlgorithm; __le16 Reserved; __le32 Flags; } __packed; /* See MS-FSCC 2.3.75 */ struct fsctl_set_integrity_info_ex_req { __u8 EnableIntegrity; __u8 KeepState; __u16 Reserved; __le32 Flags; __u8 Version; __u8 Reserved2[7]; } __packed; /* Integrity ChecksumAlgorithm choices for above */ #define CHECKSUM_TYPE_NONE 0x0000 #define CHECKSUM_TYPE_CRC64 0x0002 #define CHECKSUM_TYPE_UNCHANGED 0xFFFF /* set only */ /* Integrity flags for above */ #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x00000001 /* Reparse structures - see MS-FSCC 2.1.2 */ /* struct fsctl_reparse_info_req is empty, only response structs (see below) */ struct reparse_data_buffer { __le32 ReparseTag; __le16 ReparseDataLength; __u16 Reserved; __u8 DataBuffer[]; /* Variable Length */ } __packed; struct reparse_guid_data_buffer { __le32 ReparseTag; __le16 ReparseDataLength; __u16 Reserved; __u8 ReparseGuid[16]; __u8 DataBuffer[]; /* Variable Length */ } __packed; struct reparse_mount_point_data_buffer { __le32 ReparseTag; __le16 ReparseDataLength; __u16 Reserved; __le16 SubstituteNameOffset; __le16 SubstituteNameLength; __le16 PrintNameOffset; __le16 PrintNameLength; __u8 PathBuffer[]; /* Variable Length */ } __packed; #define SYMLINK_FLAG_RELATIVE 0x00000001 struct reparse_symlink_data_buffer { __le32 ReparseTag; __le16 ReparseDataLength; __u16 Reserved; __le16 SubstituteNameOffset; __le16 SubstituteNameLength; __le16 PrintNameOffset; __le16 PrintNameLength; __le32 Flags; __u8 PathBuffer[]; /* Variable Length */ } __packed; /* See MS-FSCC 2.1.2.6 and cifspdu.h for struct reparse_posix_data */ struct validate_negotiate_info_req { __le32 Capabilities; __u8 Guid[SMB2_CLIENT_GUID_SIZE]; __le16 SecurityMode; __le16 DialectCount; __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */ } __packed; struct validate_negotiate_info_rsp { __le32 Capabilities; __u8 Guid[SMB2_CLIENT_GUID_SIZE]; __le16 SecurityMode; __le16 Dialect; /* Dialect in use for the connection */ } __packed; /* 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 /* SMB2 Query Info see MS-SMB2 (2.2.37) or MS-DTYP */ /* List of QUERY INFO levels (those also valid for QUERY_DIR are noted below */ #define FILE_DIRECTORY_INFORMATION 1 /* also for QUERY_DIR */ #define FILE_FULL_DIRECTORY_INFORMATION 2 /* also for QUERY_DIR */ #define FILE_BOTH_DIRECTORY_INFORMATION 3 /* also for QUERY_DIR */ #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 /* also for QUERY_DIR */ #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 /* also for QUERY_DIR */ #define FILEID_FULL_DIRECTORY_INFORMATION 38 /* also for QUERY_DIR */ #define FILE_VALID_DATA_LENGTH_INFORMATION 39 #define FILE_SHORT_NAME_INFORMATION 40 #define FILE_SFIO_RESERVE_INFORMATION 44 #define FILE_SFIO_VOLUME_INFORMATION 45 #define FILE_HARD_LINK_INFORMATION 46 #define FILE_NORMALIZED_NAME_INFORMATION 48 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50 #define FILE_STANDARD_LINK_INFORMATION 54 #define FILE_ID_INFORMATION 59 #define FILE_ID_EXTD_DIRECTORY_INFORMATION 60 /* also for QUERY_DIR */ /* Used for Query Info and Find File POSIX Info for SMB3.1.1 and SMB1 */ #define SMB_FIND_FILE_POSIX_INFO 0x064 /* Security info type additionalinfo flags. */ #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; __u64 VolatileFileId; __u8 Buffer[]; } __packed; struct smb2_query_info_rsp { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 9 */ __le16 OutputBufferOffset; __le32 OutputBufferLength; __u8 Buffer[]; } __packed; /* * PDU query infolevel structure definitions */ /* See MS-FSCC 2.3.52 */ struct file_allocated_range_buffer { __le64 file_offset; __le64 length; } __packed; struct smb2_file_internal_info { __le64 IndexNumber; } __packed; /* level 6 Query */ struct smb2_file_rename_info { /* encoding of request for level 10 */ __u8 ReplaceIfExists; /* 1 = replace existing target with new */ /* 0 = fail if target already exists */ __u8 Reserved[7]; __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ __le32 FileNameLength; char FileName[]; /* New name to be assigned */ /* padding - overall struct size must be >= 24 so filename + pad >= 6 */ } __packed; /* level 10 Set */ struct smb2_file_link_info { /* encoding of request for level 11 */ __u8 ReplaceIfExists; /* 1 = replace existing link with new */ /* 0 = fail if link already exists */ __u8 Reserved[7]; __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ __le32 FileNameLength; char FileName[]; /* Name to be assigned to new link */ } __packed; /* level 11 Set */ /* * This level 18, although with struct with same name is different from cifs * level 0x107. Level 0x107 has an extra u64 between AccessFlags and * CurrentByteOffset. */ struct smb2_file_all_info { /* data block encoding of response to level 18 */ __le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */ __le64 LastAccessTime; __le64 LastWriteTime; __le64 ChangeTime; __le32 Attributes; __u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */ __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ __le64 EndOfFile; /* size ie offset to first free byte in file */ __le32 NumberOfLinks; /* hard links */ __u8 DeletePending; __u8 Directory; __u16 Pad2; /* End of FILE_STANDARD_INFO equivalent */ __le64 IndexNumber; __le32 EASize; __le32 AccessFlags; __le64 CurrentByteOffset; __le32 Mode; __le32 AlignmentRequirement; __le32 FileNameLength; union { char __pad; /* Legacy structure padding */ DECLARE_FLEX_ARRAY(char, FileName); }; } __packed; /* level 18 Query */ struct smb2_file_eof_info { /* encoding of request for level 10 */ __le64 EndOfFile; /* new end of file value */ } __packed; /* level 20 Set */ /* Level 100 query info */ struct smb311_posix_qinfo { __le64 CreationTime; __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; /* File System Information Classes */ #define FS_VOLUME_INFORMATION 1 /* Query */ #define FS_LABEL_INFORMATION 2 /* Set */ #define FS_SIZE_INFORMATION 3 /* Query */ #define FS_DEVICE_INFORMATION 4 /* Query */ #define FS_ATTRIBUTE_INFORMATION 5 /* Query */ #define FS_CONTROL_INFORMATION 6 /* Query, Set */ #define FS_FULL_SIZE_INFORMATION 7 /* Query */ #define FS_OBJECT_ID_INFORMATION 8 /* Query, Set */ #define FS_DRIVER_PATH_INFORMATION 9 /* Query */ #define FS_SECTOR_SIZE_INFORMATION 11 /* SMB3 or later. Query */ #define FS_POSIX_INFORMATION 100 /* SMB3.1.1 POSIX. Query */ struct smb2_fs_full_size_info { __le64 TotalAllocationUnits; __le64 CallerAvailableAllocationUnits; __le64 ActualAvailableAllocationUnits; __le32 SectorsPerAllocationUnit; __le32 BytesPerSector; } __packed; #define SSINFO_FLAGS_ALIGNED_DEVICE 0x00000001 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002 #define SSINFO_FLAGS_NO_SEEK_PENALTY 0x00000004 #define SSINFO_FLAGS_TRIM_ENABLED 0x00000008 /* sector size info struct */ struct smb3_fs_ss_info { __le32 LogicalBytesPerSector; __le32 PhysicalBytesPerSectorForAtomicity; __le32 PhysicalBytesPerSectorForPerf; __le32 FSEffPhysicalBytesPerSectorForAtomicity; __le32 Flags; __le32 ByteOffsetForSectorAlignment; __le32 ByteOffsetForPartitionAlignment; } __packed; /* File System Control Information */ struct smb2_fs_control_info { __le64 FreeSpaceStartFiltering; __le64 FreeSpaceThreshold; __le64 FreeSpaceStopFiltering; __le64 DefaultQuotaThreshold; __le64 DefaultQuotaLimit; __le32 FileSystemControlFlags; __le32 Padding; } __packed; /* volume info struct - see MS-FSCC 2.5.9 */ #define MAX_VOL_LABEL_LEN 32 struct smb3_fs_vol_info { __le64 VolumeCreationTime; __u32 VolumeSerialNumber; __le32 VolumeLabelLength; /* includes trailing null */ __u8 SupportsObjects; /* True if eg like NTFS, supports objects */ __u8 Reserved; __u8 VolumeLabel[]; /* variable len */ } __packed; /* See MS-SMB2 2.2.23 through 2.2.25 */ struct smb2_oplock_break { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 24 */ __u8 OplockLevel; __u8 Reserved; __le32 Reserved2; __u64 PersistentFid; __u64 VolatileFid; } __packed; #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01) struct smb2_lease_break { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 44 */ __le16 Epoch; __le32 Flags; __u8 LeaseKey[16]; __le32 CurrentLeaseState; __le32 NewLeaseState; __le32 BreakReason; __le32 AccessMaskHint; __le32 ShareMaskHint; } __packed; struct smb2_lease_ack { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 36 */ __le16 Reserved; __le32 Flags; __u8 LeaseKey[16]; __le32 LeaseState; __le64 LeaseDuration; } __packed; #define OP_BREAK_STRUCT_SIZE_20 24 #define OP_BREAK_STRUCT_SIZE_21 36 #endif /* _COMMON_SMB2PDU_H */
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