diff options
Diffstat (limited to 'fs/cifs/smb2pdu.h')
-rw-r--r-- | fs/cifs/smb2pdu.h | 919 |
1 files changed, 17 insertions, 902 deletions
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h index f32c99c9ba13..33cfd0a1adf1 100644 --- a/fs/cifs/smb2pdu.h +++ b/fs/cifs/smb2pdu.h @@ -14,156 +14,12 @@ #include <net/sock.h> #include "cifsacl.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) - -#define SMB2_INTERNAL_CMD cpu_to_le16(0xFFFF) - -#define NUMBER_OF_SMB2_COMMANDS 0x0013 - /* 52 transform hdr + 64 hdr + 88 create rsp */ #define SMB2_TRANSFORM_HEADER_SIZE 52 #define MAX_SMB2_HDR_SIZE 204 -#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 Header Definition - * - * "MBZ" : Must be Zero - * "BB" : BugBug, Something to check/review/analyze later - * "PDU" : "Protocol Data Unit" (ie a network "frame") - * - */ - -#define SMB2_HEADER_STRUCTURE_SIZE cpu_to_le16(64) - -struct smb2_sync_hdr { - __le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */ - __le16 StructureSize; /* 64 */ - __le16 CreditCharge; /* MBZ */ - __le32 Status; /* Error from server */ - __le16 Command; - __le16 CreditRequest; /* CreditResponse */ - __le32 Flags; - __le32 NextCommand; - __le64 MessageId; - __le32 ProcessId; - __u32 TreeId; /* opaque - so do not make little endian */ - __u64 SessionId; /* opaque - so do not make little endian */ - __u8 Signature[16]; -} __packed; - /* The total header size for SMB2 read and write */ -#define SMB2_READWRITE_PDU_HEADER_SIZE (48 + sizeof(struct smb2_sync_hdr)) - -struct smb2_sync_pdu { - struct smb2_sync_hdr sync_hdr; - __le16 StructureSize2; /* size of wct area (varies, request specific) */ -} __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 */ - __u64 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; +#define SMB2_READWRITE_PDU_HEADER_SIZE (48 + sizeof(struct smb2_hdr)) /* See MS-SMB2 2.2.43 */ struct smb2_rdma_transform { @@ -190,17 +46,6 @@ struct smb2_rdma_crypto_transform { } __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_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. @@ -214,7 +59,7 @@ struct smb2_rdma_crypto_transform { #define SMB2_ERROR_STRUCTURE_SIZE2 cpu_to_le16(9) struct smb2_err_rsp { - struct smb2_sync_hdr sync_hdr; + struct smb2_hdr hdr; __le16 StructureSize; __le16 Reserved; /* MBZ */ __le32 ByteCount; /* even if zero, at least one byte follows */ @@ -270,530 +115,6 @@ struct share_redirect_error_context_rsp { /* __u8 ResourceName[] */ /* Name of share as counted Unicode string */ } __packed; -#define SMB2_CLIENT_GUID_SIZE 16 - -struct smb2_negotiate_req { - struct smb2_sync_hdr sync_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[4]; /* BB expand this if autonegotiate > 4 dialects */ -} __packed; - -/* 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 SMB30_PROT_ID 0x0300 -#define SMB302_PROT_ID 0x0302 -#define SMB311_PROT_ID 0x0311 -#define BAD_PROT_ID 0xFFFF - -/* SecurityMode flags */ -#define SMB2_NEGOTIATE_SIGNING_ENABLED 0x0001 -#define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002 -#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 */ -/* Internal types */ -#define SMB2_NT_FIND 0x00100000 -#define SMB2_LARGE_FILES 0x00200000 - - -/* 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; - -#define SMB311_LINUX_CLIENT_SALT_SIZE 32 -/* Hash Algorithm Types */ -#define SMB2_PREAUTH_INTEGRITY_SHA512 cpu_to_le16(0x0001) -#define SMB2_PREAUTH_HASH_SIZE 64 - -/* - * 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_LINUX_CLIENT_SALT_SIZE]; -} __packed; - -/* Encryption Algorithms Ciphers */ -#define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001) -#define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002) -/* we currently do not request AES256_CCM since presumably GCM faster */ -#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[3]; -} __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; - __u32 Reserved; - __le16 CompressionAlgorithmCount; - __u16 Padding; - __u32 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_TRANSFORM_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_AES_CMAC 1 -#define SIGNING_ALG_AES_GMAC 2 - -struct smb2_signing_capabilities { - __le16 ContextType; /* 8 */ - __le16 DataLength; - __u32 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_rsp { - struct smb2_sync_hdr sync_hdr; - __le16 StructureSize; /* Must be 65 */ - __le16 SecurityMode; - __le16 DialectRevision; - __le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */ - __u8 ServerGUID[16]; - __le32 Capabilities; - __le32 MaxTransactSize; - __le32 MaxReadSize; - __le32 MaxWriteSize; - __le64 SystemTime; /* MBZ */ - __le64 ServerStartTime; - __le16 SecurityBufferOffset; - __le16 SecurityBufferLength; - __le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */ - __u8 Buffer[1]; /* variable length GSS security buffer */ -} __packed; - -/* Flags */ -#define SMB2_SESSION_REQ_FLAG_BINDING 0x01 -#define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04 - -struct smb2_sess_setup_req { - struct smb2_sync_hdr sync_hdr; - __le16 StructureSize; /* Must be 25 */ - __u8 Flags; - __u8 SecurityMode; - __le32 Capabilities; - __le32 Channel; - __le16 SecurityBufferOffset; - __le16 SecurityBufferLength; - __u64 PreviousSessionId; - __u8 Buffer[1]; /* variable length GSS security buffer */ -} __packed; - -/* Currently defined SessionFlags */ -#define SMB2_SESSION_FLAG_IS_GUEST 0x0001 -#define SMB2_SESSION_FLAG_IS_NULL 0x0002 -#define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004 -struct smb2_sess_setup_rsp { - struct smb2_sync_hdr sync_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_sync_hdr sync_hdr; - __le16 StructureSize; /* Must be 4 */ - __le16 Reserved; -} __packed; - -struct smb2_logoff_rsp { - struct smb2_sync_hdr sync_hdr; - __le16 StructureSize; /* Must be 4 */ - __le16 Reserved; -} __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_sync_hdr sync_hdr; - __le16 StructureSize; /* Must be 9 */ - __le16 Flags; /* Reserved MBZ for dialects prior to SMB3.1.1 */ - __le16 PathOffset; - __le16 PathLength; - __u8 Buffer[1]; /* variable length */ -} __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; - -struct smb2_tree_connect_rsp { - struct smb2_sync_hdr sync_hdr; - __le16 StructureSize; /* Must be 16 */ - __u8 ShareType; /* see below */ - __u8 Reserved; - __le32 ShareFlags; /* see below */ - __le32 Capabilities; /* see below */ - __le32 MaximalAccess; -} __packed; - -/* Possible ShareType values */ -#define SMB2_SHARE_TYPE_DISK 0x01 -#define SMB2_SHARE_TYPE_PIPE 0x02 -#define SMB2_SHARE_TYPE_PRINT 0x03 - -/* - * Possible ShareFlags - exactly one and only one of the first 4 caching flags - * must be set (any of the remaining, SHI1005, flags may be set individually - * or in combination. - */ -#define SMB2_SHAREFLAG_MANUAL_CACHING 0x00000000 -#define SMB2_SHAREFLAG_AUTO_CACHING 0x00000010 -#define SMB2_SHAREFLAG_VDO_CACHING 0x00000020 -#define SMB2_SHAREFLAG_NO_CACHING 0x00000030 -#define SHI1005_FLAGS_DFS 0x00000001 -#define SHI1005_FLAGS_DFS_ROOT 0x00000002 -#define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS 0x00000100 -#define SHI1005_FLAGS_FORCE_SHARED_DELETE 0x00000200 -#define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING 0x00000400 -#define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM 0x00000800 -#define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK 0x00001000 -#define SHI1005_FLAGS_ENABLE_HASH_V1 0x00002000 -#define SHI1005_FLAGS_ENABLE_HASH_V2 0x00004000 -#define SHI1005_FLAGS_ENCRYPT_DATA 0x00008000 -#define SMB2_SHAREFLAG_IDENTITY_REMOTING 0x00040000 /* 3.1.1 */ -#define SMB2_SHAREFLAG_COMPRESS_DATA 0x00100000 /* 3.1.1 */ -#define SHI1005_FLAGS_ALL 0x0014FF33 - -/* 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_disconnect_req { - struct smb2_sync_hdr sync_hdr; - __le16 StructureSize; /* Must be 4 */ - __le16 Reserved; -} __packed; - -struct smb2_tree_disconnect_rsp { - struct smb2_sync_hdr sync_hdr; - __le16 StructureSize; /* Must be 4 */ - __le16 Reserved; -} __packed; - -/* File Attrubutes */ -#define FILE_ATTRIBUTE_READONLY 0x00000001 -#define FILE_ATTRIBUTE_HIDDEN 0x00000002 -#define FILE_ATTRIBUTE_SYSTEM 0x00000004 -#define FILE_ATTRIBUTE_DIRECTORY 0x00000010 -#define FILE_ATTRIBUTE_ARCHIVE 0x00000020 -#define FILE_ATTRIBUTE_NORMAL 0x00000080 -#define FILE_ATTRIBUTE_TEMPORARY 0x00000100 -#define FILE_ATTRIBUTE_SPARSE_FILE 0x00000200 -#define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400 -#define FILE_ATTRIBUTE_COMPRESSED 0x00000800 -#define FILE_ATTRIBUTE_OFFLINE 0x00001000 -#define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x00002000 -#define FILE_ATTRIBUTE_ENCRYPTED 0x00004000 -#define FILE_ATTRIBUTE_INTEGRITY_STREAM 0x00008000 -#define FILE_ATTRIBUTE_NO_SCRUB_DATA 0x00020000 - -/* Oplock levels */ -#define SMB2_OPLOCK_LEVEL_NONE 0x00 -#define SMB2_OPLOCK_LEVEL_II 0x01 -#define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08 -#define SMB2_OPLOCK_LEVEL_BATCH 0x09 -#define SMB2_OPLOCK_LEVEL_LEASE 0xFF -/* Non-spec internal type */ -#define SMB2_OPLOCK_LEVEL_NOCHANGE 0x99 - -/* Desired Access Flags */ -#define FILE_READ_DATA_LE cpu_to_le32(0x00000001) -#define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002) -#define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004) -#define FILE_READ_EA_LE cpu_to_le32(0x00000008) -#define FILE_WRITE_EA_LE cpu_to_le32(0x00000010) -#define FILE_EXECUTE_LE cpu_to_le32(0x00000020) -#define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080) -#define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100) -#define FILE_DELETE_LE cpu_to_le32(0x00010000) -#define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000) -#define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000) -#define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000) -#define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000) -#define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000) -#define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000) -#define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000) -#define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000) -#define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000) -#define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000) - -/* ShareAccess Flags */ -#define FILE_SHARE_READ_LE cpu_to_le32(0x00000001) -#define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002) -#define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004) -#define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007) - -/* CreateDisposition Flags */ -#define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000) -#define FILE_OPEN_LE cpu_to_le32(0x00000001) -#define FILE_CREATE_LE cpu_to_le32(0x00000002) -#define FILE_OPEN_IF_LE cpu_to_le32(0x00000003) -#define FILE_OVERWRITE_LE cpu_to_le32(0x00000004) -#define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005) - -/* CreateOptions Flags */ -#define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001) -/* same as #define CREATE_NOT_FILE_LE cpu_to_le32(0x00000001) */ -#define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002) -#define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004) -#define FILE_NO_INTERMEDIATE_BUFFERRING_LE cpu_to_le32(0x00000008) -#define FILE_SYNCHRONOUS_IO_ALERT_LE cpu_to_le32(0x00000010) -#define FILE_SYNCHRONOUS_IO_NON_ALERT_LE cpu_to_le32(0x00000020) -#define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040) -#define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100) -#define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200) -#define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800) -#define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000) -#define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000) -#define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000) -#define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000) -#define FILE_RESERVE_OPFILTER_LE cpu_to_le32(0x00100000) -#define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000) -#define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000) -#define FILE_OPEN_FOR_FREE_SPACE_QUERY_LE cpu_to_le32(0x00800000) - -#define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \ - | FILE_READ_ATTRIBUTES_LE) -#define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \ - | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE) -#define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE) - -/* Impersonation Levels. 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) - -/* Create Context Values */ -#define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */ -#define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */ -#define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ" -#define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC" -#define SMB2_CREATE_ALLOCATION_SIZE "AISi" -#define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc" -#define SMB2_CREATE_TIMEWARP_REQUEST "TWrp" -#define SMB2_CREATE_QUERY_ON_DISK_ID "QFid" -#define SMB2_CREATE_REQUEST_LEASE "RqLs" -#define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q" -#define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C" -#define SMB2_CREATE_APP_INSTANCE_ID 0x45BCA66AEFA7F74A9008FA462E144D74 -#define SMB2_CREATE_APP_INSTANCE_VERSION 0xB982D0B73B56074FA07B524A8116A010 -#define SVHDX_OPEN_DEVICE_CONTEX 0x9CCBCF9E04C1E643980E158DA1F6EC83 -#define SMB2_CREATE_TAG_POSIX 0x93AD25509CB411E7B42383DE968BCD7C - -/* Flag (SMB3 open response) values */ -#define SMB2_CREATE_FLAG_REPARSEPOINT 0x01 - /* * Maximum number of iovs we need for an open/create request. * [0] : struct smb2_create_req @@ -807,26 +128,6 @@ struct smb2_tree_disconnect_rsp { */ #define SMB2_CREATE_IOV_SIZE 8 -struct smb2_create_req { - struct smb2_sync_hdr sync_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; - /* * Maximum size of a SMB2_CREATE response is 64 (smb2 header) + * 88 (fixed part of create response) + 520 (path) + 208 (contexts) + @@ -834,37 +135,6 @@ struct smb2_create_req { */ #define MAX_SMB2_CREATE_RESPONSE_SIZE 880 -struct smb2_create_rsp { - struct smb2_sync_hdr sync_hdr; - __le16 StructureSize; /* Must be 89 */ - __u8 OplockLevel; - __u8 Flag; /* 0x01 if reparse point */ - __le32 CreateAction; - __le64 CreationTime; - __le64 LastAccessTime; - __le64 LastWriteTime; - __le64 ChangeTime; - __le64 AllocationSize; - __le64 EndofFile; - __le32 FileAttributes; - __le32 Reserved2; - __u64 PersistentFileId; /* opaque endianness */ - __u64 VolatileFileId; /* opaque endianness */ - __le32 CreateContextsOffset; - __le32 CreateContextsLength; - __u8 Buffer[1]; -} __packed; - -struct create_context { - __le32 Next; - __le16 NameOffset; - __le16 NameLength; - __le16 Reserved; - __le16 DataOffset; - __le32 DataLength; - __u8 Buffer[]; -} __packed; - #define SMB2_LEASE_READ_CACHING_HE 0x01 #define SMB2_LEASE_HANDLE_CACHING_HE 0x02 #define SMB2_LEASE_WRITE_CACHING_HE 0x04 @@ -1210,7 +480,7 @@ struct duplicate_extents_to_file { #define SMB2_IOCTL_IOV_SIZE 2 struct smb2_ioctl_req { - struct smb2_sync_hdr sync_hdr; + struct smb2_hdr hdr; __le16 StructureSize; /* Must be 57 */ __u16 Reserved; __le32 CtlCode; @@ -1228,7 +498,7 @@ struct smb2_ioctl_req { } __packed; struct smb2_ioctl_rsp { - struct smb2_sync_hdr sync_hdr; + struct smb2_hdr hdr; __le16 StructureSize; /* Must be 57 */ __u16 Reserved; __le32 CtlCode; @@ -1243,161 +513,6 @@ struct smb2_ioctl_rsp { /* char * buffer[] */ } __packed; -/* Currently defined values for close flags */ -#define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001) -struct smb2_close_req { - struct smb2_sync_hdr sync_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_sync_hdr sync_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_sync_hdr sync_hdr; - __le16 StructureSize; /* Must be 24 */ - __le16 Reserved1; - __le32 Reserved2; - __u64 PersistentFileId; /* opaque endianness */ - __u64 VolatileFileId; /* opaque endianness */ -} __packed; - -struct smb2_flush_rsp { - struct smb2_sync_hdr sync_hdr; - __le16 StructureSize; - __le16 Reserved; -} __packed; - -/* For read request Flags field below, following flag is defined for SMB3.02 */ -#define SMB2_READFLAG_READ_UNBUFFERED 0x01 -#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) /* SMB3 or later */ -#define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) /* >= SMB3.02 */ -#define SMB2_CHANNEL_RDMA_TRANSFORM cpu_to_le32(0x00000003) /* >= SMB3.02, only used on write */ - -/* SMB2 read request without RFC1001 length at the beginning */ -struct smb2_read_plain_req { - struct smb2_sync_hdr sync_hdr; - __le16 StructureSize; /* Must be 49 */ - __u8 Padding; /* offset from start of SMB2 header to place read */ - __u8 Flags; /* MBZ unless SMB3.02 or later */ - __le32 Length; - __le64 Offset; - __u64 PersistentFileId; /* opaque endianness */ - __u64 VolatileFileId; /* opaque endianness */ - __le32 MinimumCount; - __le32 Channel; /* MBZ except for SMB3 or later */ - __le32 RemainingBytes; - __le16 ReadChannelInfoOffset; - __le16 ReadChannelInfoLength; - __u8 Buffer[1]; -} __packed; - -/* Read flags */ -#define SMB2_READFLAG_RESPONSE_NONE 0x00000000 -#define SMB2_READFLAG_RESPONSE_RDMA_TRANSFORM 0x00000001 - -struct smb2_read_rsp { - struct smb2_sync_hdr sync_hdr; - __le16 StructureSize; /* Must be 17 */ - __u8 DataOffset; - __u8 Reserved; - __le32 DataLength; - __le32 DataRemaining; - __u32 Flags; - __u8 Buffer[1]; -} __packed; - -/* For write request Flags field below the following flags are defined: */ -#define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 /* SMB2.1 or later */ -#define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002 /* SMB3.02 or later */ - -struct smb2_write_req { - struct smb2_sync_hdr sync_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[1]; -} __packed; - -struct smb2_write_rsp { - struct smb2_sync_hdr sync_hdr; - __le16 StructureSize; /* Must be 17 */ - __u8 DataOffset; - __u8 Reserved; - __le32 DataLength; - __le32 DataRemaining; - __u32 Reserved2; - __u8 Buffer[1]; -} __packed; - -/* 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 - -struct smb2_change_notify_req { - struct smb2_sync_hdr sync_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_sync_hdr sync_hdr; - __le16 StructureSize; /* Must be 9 */ - __le16 OutputBufferOffset; - __le32 OutputBufferLength; - __u8 Buffer[1]; /* array of file notify structs */ -} __packed; - #define SMB2_LOCKFLAG_SHARED_LOCK 0x0001 #define SMB2_LOCKFLAG_EXCLUSIVE_LOCK 0x0002 #define SMB2_LOCKFLAG_UNLOCK 0x0004 @@ -1411,7 +526,7 @@ struct smb2_lock_element { } __packed; struct smb2_lock_req { - struct smb2_sync_hdr sync_hdr; + struct smb2_hdr hdr; __le16 StructureSize; /* Must be 48 */ __le16 LockCount; /* @@ -1426,19 +541,19 @@ struct smb2_lock_req { } __packed; struct smb2_lock_rsp { - struct smb2_sync_hdr sync_hdr; + struct smb2_hdr hdr; __le16 StructureSize; /* Must be 4 */ __le16 Reserved; } __packed; struct smb2_echo_req { - struct smb2_sync_hdr sync_hdr; + struct smb2_hdr hdr; __le16 StructureSize; /* Must be 4 */ __u16 Reserved; } __packed; struct smb2_echo_rsp { - struct smb2_sync_hdr sync_hdr; + struct smb2_hdr hdr; __le16 StructureSize; /* Must be 4 */ __u16 Reserved; } __packed; @@ -1468,7 +583,7 @@ struct smb2_echo_rsp { */ struct smb2_query_directory_req { - struct smb2_sync_hdr sync_hdr; + struct smb2_hdr hdr; __le16 StructureSize; /* Must be 33 */ __u8 FileInformationClass; __u8 Flags; @@ -1482,7 +597,7 @@ struct smb2_query_directory_req { } __packed; struct smb2_query_directory_rsp { - struct smb2_sync_hdr sync_hdr; + struct smb2_hdr hdr; __le16 StructureSize; /* Must be 9 */ __le16 OutputBufferOffset; __le32 OutputBufferLength; @@ -1515,7 +630,7 @@ struct smb2_query_directory_rsp { #define SL_INDEX_SPECIFIED 0x00000004 struct smb2_query_info_req { - struct smb2_sync_hdr sync_hdr; + struct smb2_hdr hdr; __le16 StructureSize; /* Must be 41 */ __u8 InfoType; __u8 FileInfoClass; @@ -1531,7 +646,7 @@ struct smb2_query_info_req { } __packed; struct smb2_query_info_rsp { - struct smb2_sync_hdr sync_hdr; + struct smb2_hdr hdr; __le16 StructureSize; /* Must be 9 */ __le16 OutputBufferOffset; __le32 OutputBufferLength; @@ -1548,7 +663,7 @@ struct smb2_query_info_rsp { #define SMB2_SET_INFO_IOV_SIZE 3 struct smb2_set_info_req { - struct smb2_sync_hdr sync_hdr; + struct smb2_hdr hdr; __le16 StructureSize; /* Must be 33 */ __u8 InfoType; __u8 FileInfoClass; @@ -1562,12 +677,12 @@ struct smb2_set_info_req { } __packed; struct smb2_set_info_rsp { - struct smb2_sync_hdr sync_hdr; + struct smb2_hdr hdr; __le16 StructureSize; /* Must be 2 */ } __packed; struct smb2_oplock_break { - struct smb2_sync_hdr sync_hdr; + struct smb2_hdr hdr; __le16 StructureSize; /* Must be 24 */ __u8 OplockLevel; __u8 Reserved; @@ -1579,7 +694,7 @@ struct smb2_oplock_break { #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01) struct smb2_lease_break { - struct smb2_sync_hdr sync_hdr; + struct smb2_hdr hdr; __le16 StructureSize; /* Must be 44 */ __le16 Epoch; __le32 Flags; @@ -1592,7 +707,7 @@ struct smb2_lease_break { } __packed; struct smb2_lease_ack { - struct smb2_sync_hdr sync_hdr; + struct smb2_hdr hdr; __le16 StructureSize; /* Must be 36 */ __le16 Reserved; __le32 Flags; |