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1/* SPDX-License-Identifier: LGPL-2.1 */2#ifndef _COMMON_SMB2PDU_H3#define _COMMON_SMB2PDU_H4 5/*6 * Note that, due to trying to use names similar to the protocol specifications,7 * there are many mixed case field names in the structures below. Although8 * this does not match typical Linux kernel style, it is necessary to be9 * able to match against the protocol specification.10 *11 * SMB2 commands12 * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses13 * (ie no useful data other than the SMB error code itself) and are marked such.14 * Knowing this helps avoid response buffer allocations and copy in some cases.15 */16 17/* List of commands in host endian */18#define SMB2_NEGOTIATE_HE 0x000019#define SMB2_SESSION_SETUP_HE 0x000120#define SMB2_LOGOFF_HE 0x0002 /* trivial request/resp */21#define SMB2_TREE_CONNECT_HE 0x000322#define SMB2_TREE_DISCONNECT_HE 0x0004 /* trivial req/resp */23#define SMB2_CREATE_HE 0x000524#define SMB2_CLOSE_HE 0x000625#define SMB2_FLUSH_HE 0x0007 /* trivial resp */26#define SMB2_READ_HE 0x000827#define SMB2_WRITE_HE 0x000928#define SMB2_LOCK_HE 0x000A29#define SMB2_IOCTL_HE 0x000B30#define SMB2_CANCEL_HE 0x000C31#define SMB2_ECHO_HE 0x000D32#define SMB2_QUERY_DIRECTORY_HE 0x000E33#define SMB2_CHANGE_NOTIFY_HE 0x000F34#define SMB2_QUERY_INFO_HE 0x001035#define SMB2_SET_INFO_HE 0x001136#define SMB2_OPLOCK_BREAK_HE 0x001237#define SMB2_SERVER_TO_CLIENT_NOTIFICATION 0x001338 39/* The same list in little endian */40#define SMB2_NEGOTIATE cpu_to_le16(SMB2_NEGOTIATE_HE)41#define SMB2_SESSION_SETUP cpu_to_le16(SMB2_SESSION_SETUP_HE)42#define SMB2_LOGOFF cpu_to_le16(SMB2_LOGOFF_HE)43#define SMB2_TREE_CONNECT cpu_to_le16(SMB2_TREE_CONNECT_HE)44#define SMB2_TREE_DISCONNECT cpu_to_le16(SMB2_TREE_DISCONNECT_HE)45#define SMB2_CREATE cpu_to_le16(SMB2_CREATE_HE)46#define SMB2_CLOSE cpu_to_le16(SMB2_CLOSE_HE)47#define SMB2_FLUSH cpu_to_le16(SMB2_FLUSH_HE)48#define SMB2_READ cpu_to_le16(SMB2_READ_HE)49#define SMB2_WRITE cpu_to_le16(SMB2_WRITE_HE)50#define SMB2_LOCK cpu_to_le16(SMB2_LOCK_HE)51#define SMB2_IOCTL cpu_to_le16(SMB2_IOCTL_HE)52#define SMB2_CANCEL cpu_to_le16(SMB2_CANCEL_HE)53#define SMB2_ECHO cpu_to_le16(SMB2_ECHO_HE)54#define SMB2_QUERY_DIRECTORY cpu_to_le16(SMB2_QUERY_DIRECTORY_HE)55#define SMB2_CHANGE_NOTIFY cpu_to_le16(SMB2_CHANGE_NOTIFY_HE)56#define SMB2_QUERY_INFO cpu_to_le16(SMB2_QUERY_INFO_HE)57#define SMB2_SET_INFO cpu_to_le16(SMB2_SET_INFO_HE)58#define SMB2_OPLOCK_BREAK cpu_to_le16(SMB2_OPLOCK_BREAK_HE)59 60#define SMB2_INTERNAL_CMD cpu_to_le16(0xFFFF)61 62#define NUMBER_OF_SMB2_COMMANDS 0x001363 64/*65 * Size of the session key (crypto key encrypted with the password66 */67#define SMB2_NTLMV2_SESSKEY_SIZE 1668#define SMB2_SIGNATURE_SIZE 1669#define SMB2_HMACSHA256_SIZE 3270#define SMB2_CMACAES_SIZE 1671#define SMB3_GCM128_CRYPTKEY_SIZE 1672#define SMB3_GCM256_CRYPTKEY_SIZE 3273 74/*75 * Size of the smb3 encryption/decryption keys76 * This size is big enough to store any cipher key types.77 */78#define SMB3_ENC_DEC_KEY_SIZE 3279 80/*81 * Size of the smb3 signing key82 */83#define SMB3_SIGN_KEY_SIZE 1684 85#define CIFS_CLIENT_CHALLENGE_SIZE 886 87/* Maximum buffer size value we can send with 1 credit */88#define SMB2_MAX_BUFFER_SIZE 6553689 90/*91 * The default wsize is 1M for SMB2 (and for some CIFS cases).92 * find_get_pages seems to return a maximum of 25693 * pages in a single call. With PAGE_SIZE == 4k, this means we can94 * fill a single wsize request with a single call.95 */96#define SMB3_DEFAULT_IOSIZE (4 * 1024 * 1024)97 98/*99 * SMB2 Header Definition100 *101 * "MBZ" : Must be Zero102 * "BB" : BugBug, Something to check/review/analyze later103 * "PDU" : "Protocol Data Unit" (ie a network "frame")104 *105 */106 107#define __SMB2_HEADER_STRUCTURE_SIZE 64108#define SMB2_HEADER_STRUCTURE_SIZE \109 cpu_to_le16(__SMB2_HEADER_STRUCTURE_SIZE)110 111#define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe)112#define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd)113#define SMB2_COMPRESSION_TRANSFORM_ID cpu_to_le32(0x424d53fc)114 115/*116 * SMB2 flag definitions117 */118#define SMB2_FLAGS_SERVER_TO_REDIR cpu_to_le32(0x00000001)119#define SMB2_FLAGS_ASYNC_COMMAND cpu_to_le32(0x00000002)120#define SMB2_FLAGS_RELATED_OPERATIONS cpu_to_le32(0x00000004)121#define SMB2_FLAGS_SIGNED cpu_to_le32(0x00000008)122#define SMB2_FLAGS_PRIORITY_MASK cpu_to_le32(0x00000070) /* SMB3.1.1 */123#define SMB2_FLAGS_DFS_OPERATIONS cpu_to_le32(0x10000000)124#define SMB2_FLAGS_REPLAY_OPERATION cpu_to_le32(0x20000000) /* SMB3 & up */125 126/*127 * Definitions for SMB2 Protocol Data Units (network frames)128 *129 * See MS-SMB2.PDF specification for protocol details.130 * The Naming convention is the lower case version of the SMB2131 * command code name for the struct. Note that structures must be packed.132 *133 */134 135/* See MS-SMB2 section 2.2.1 */136struct smb2_hdr {137 __le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */138 __le16 StructureSize; /* 64 */139 __le16 CreditCharge; /* MBZ */140 __le32 Status; /* Error from server */141 __le16 Command;142 __le16 CreditRequest; /* CreditResponse */143 __le32 Flags;144 __le32 NextCommand;145 __le64 MessageId;146 union {147 struct {148 __le32 ProcessId;149 __le32 TreeId;150 } __packed SyncId;151 __le64 AsyncId;152 } __packed Id;153 __le64 SessionId;154 __u8 Signature[16];155} __packed;156 157struct smb3_hdr_req {158 __le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */159 __le16 StructureSize; /* 64 */160 __le16 CreditCharge; /* MBZ */161 __le16 ChannelSequence; /* See MS-SMB2 3.2.4.1 and 3.2.7.1 */162 __le16 Reserved;163 __le16 Command;164 __le16 CreditRequest; /* CreditResponse */165 __le32 Flags;166 __le32 NextCommand;167 __le64 MessageId;168 union {169 struct {170 __le32 ProcessId;171 __le32 TreeId;172 } __packed SyncId;173 __le64 AsyncId;174 } __packed Id;175 __le64 SessionId;176 __u8 Signature[16];177} __packed;178 179struct smb2_pdu {180 struct smb2_hdr hdr;181 __le16 StructureSize2; /* size of wct area (varies, request specific) */182} __packed;183 184#define SMB2_ERROR_STRUCTURE_SIZE2 9185#define SMB2_ERROR_STRUCTURE_SIZE2_LE cpu_to_le16(SMB2_ERROR_STRUCTURE_SIZE2)186 187struct smb2_err_rsp {188 struct smb2_hdr hdr;189 __le16 StructureSize;190 __u8 ErrorContextCount;191 __u8 Reserved;192 __le32 ByteCount; /* even if zero, at least one byte follows */193 __u8 ErrorData[]; /* variable length */194} __packed;195 196#define SMB3_AES_CCM_NONCE 11197#define SMB3_AES_GCM_NONCE 12198 199/* Transform flags (for 3.0 dialect this flag indicates CCM */200#define TRANSFORM_FLAG_ENCRYPTED 0x0001201struct smb2_transform_hdr {202 __le32 ProtocolId; /* 0xFD 'S' 'M' 'B' */203 __u8 Signature[16];204 __u8 Nonce[16];205 __le32 OriginalMessageSize;206 __u16 Reserved1;207 __le16 Flags; /* EncryptionAlgorithm for 3.0, enc enabled for 3.1.1 */208 __le64 SessionId;209} __packed;210 211/*212 * These are simplified versions from the spec, as we don't need a fully fledged213 * form of both unchained and chained structs.214 *215 * Moreover, even in chained compressed payloads, the initial compression header216 * has the form of the unchained one -- i.e. it never has the217 * OriginalPayloadSize field and ::Offset field always represent an offset218 * (instead of a length, as it is in the chained header).219 *220 * See MS-SMB2 2.2.42 for more details.221 */222#define SMB2_COMPRESSION_FLAG_NONE 0x0000223#define SMB2_COMPRESSION_FLAG_CHAINED 0x0001224 225struct smb2_compression_hdr {226 __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */227 __le32 OriginalCompressedSegmentSize;228 __le16 CompressionAlgorithm;229 __le16 Flags;230 __le32 Offset; /* this is the size of the uncompressed SMB2 header below */231 /* uncompressed SMB2 header (READ or WRITE) goes here */232 /* compressed data goes here */233} __packed;234 235/*236 * ... OTOH, set compression payload header to always have OriginalPayloadSize237 * as it's easier to pass the struct size minus sizeof(OriginalPayloadSize)238 * than to juggle around the header/data memory.239 */240struct smb2_compression_payload_hdr {241 __le16 CompressionAlgorithm;242 __le16 Flags;243 __le32 Length; /* length of compressed playload including field below if present */244 __le32 OriginalPayloadSize; /* accounted when LZNT1, LZ77, LZ77+Huffman */245} __packed;246 247struct smb2_compression_pattern_v1 {248 __u8 Pattern;249 __u8 Reserved1;250 __le16 Reserved2;251 __le32 Repetitions;252} __packed;253 254/* See MS-SMB2 section 2.2.9.2 */255/* Context Types */256#define SMB2_RESERVED_TREE_CONNECT_CONTEXT_ID 0x0000257#define SMB2_REMOTED_IDENTITY_TREE_CONNECT_CONTEXT_ID cpu_to_le16(0x0001)258 259struct tree_connect_contexts {260 __le16 ContextType;261 __le16 DataLength;262 __le32 Reserved;263 __u8 Data[];264} __packed;265 266/* Remoted identity tree connect context structures - see MS-SMB2 2.2.9.2.1 */267struct smb3_blob_data {268 __le16 BlobSize;269 __u8 BlobData[];270} __packed;271 272/* Valid values for Attr */273#define SE_GROUP_MANDATORY 0x00000001274#define SE_GROUP_ENABLED_BY_DEFAULT 0x00000002275#define SE_GROUP_ENABLED 0x00000004276#define SE_GROUP_OWNER 0x00000008277#define SE_GROUP_USE_FOR_DENY_ONLY 0x00000010278#define SE_GROUP_INTEGRITY 0x00000020279#define SE_GROUP_INTEGRITY_ENABLED 0x00000040280#define SE_GROUP_RESOURCE 0x20000000281#define SE_GROUP_LOGON_ID 0xC0000000282 283struct sid_array_data {284 __le16 SidAttrCount;285 /* SidAttrList - array of sid_attr_data structs */286} __packed;287 288/* struct sid_attr_data is SidData array in BlobData format then le32 Attr */289struct sid_attr_data {290 __le16 BlobSize;291 __u8 BlobData[];292 /* __le32 Attr */293} __packed;294 295/*296 * struct privilege_data is the same as BLOB_DATA - see MS-SMB2 2.2.9.2.1.5297 * but with size of LUID_ATTR_DATA struct and BlobData set to LUID_ATTR DATA298 */299 300struct privilege_array_data {301 __le16 PrivilegeCount;302 /* array of privilege_data structs */303} __packed;304 305struct remoted_identity_tcon_context {306 __le16 TicketType; /* must be 0x0001 */307 __le16 TicketSize; /* total size of this struct */308 __le16 User; /* offset to SID_ATTR_DATA struct with user info */309 __le16 UserName; /* offset to null terminated Unicode username string */310 __le16 Domain; /* offset to null terminated Unicode domain name */311 __le16 Groups; /* offset to SID_ARRAY_DATA struct with group info */312 __le16 RestrictedGroups; /* similar to above */313 __le16 Privileges; /* offset to PRIVILEGE_ARRAY_DATA struct */314 __le16 PrimaryGroup; /* offset to SID_ARRAY_DATA struct */315 __le16 Owner; /* offset to BLOB_DATA struct */316 __le16 DefaultDacl; /* offset to BLOB_DATA struct */317 __le16 DeviceGroups; /* offset to SID_ARRAY_DATA struct */318 __le16 UserClaims; /* offset to BLOB_DATA struct */319 __le16 DeviceClaims; /* offset to BLOB_DATA struct */320 __u8 TicketInfo[]; /* variable length buf - remoted identity data */321} __packed;322 323struct smb2_tree_connect_req_extension {324 __le32 TreeConnectContextOffset;325 __le16 TreeConnectContextCount;326 __u8 Reserved[10];327 __u8 PathName[]; /* variable sized array */328 /* followed by array of TreeConnectContexts */329} __packed;330 331/* Flags/Reserved for SMB3.1.1 */332#define SMB2_TREE_CONNECT_FLAG_CLUSTER_RECONNECT cpu_to_le16(0x0001)333#define SMB2_TREE_CONNECT_FLAG_REDIRECT_TO_OWNER cpu_to_le16(0x0002)334#define SMB2_TREE_CONNECT_FLAG_EXTENSION_PRESENT cpu_to_le16(0x0004)335 336struct smb2_tree_connect_req {337 struct smb2_hdr hdr;338 __le16 StructureSize; /* Must be 9 */339 __le16 Flags; /* Flags in SMB3.1.1 */340 __le16 PathOffset;341 __le16 PathLength;342 __u8 Buffer[]; /* variable length */343} __packed;344 345/* Possible ShareType values */346#define SMB2_SHARE_TYPE_DISK 0x01347#define SMB2_SHARE_TYPE_PIPE 0x02348#define SMB2_SHARE_TYPE_PRINT 0x03349 350/*351 * Possible ShareFlags - exactly one and only one of the first 4 caching flags352 * must be set (any of the remaining, SHI1005, flags may be set individually353 * or in combination.354 */355#define SMB2_SHAREFLAG_MANUAL_CACHING 0x00000000356#define SMB2_SHAREFLAG_AUTO_CACHING 0x00000010357#define SMB2_SHAREFLAG_VDO_CACHING 0x00000020358#define SMB2_SHAREFLAG_NO_CACHING 0x00000030359#define SHI1005_FLAGS_DFS 0x00000001360#define SHI1005_FLAGS_DFS_ROOT 0x00000002361#define SMB2_SHAREFLAG_RESTRICT_EXCLUSIVE_OPENS 0x00000100362#define SMB2_SHAREFLAG_FORCE_SHARED_DELETE 0x00000200363#define SMB2_SHAREFLAG_ALLOW_NAMESPACE_CACHING 0x00000400364#define SMB2_SHAREFLAG_ACCESS_BASED_DIRECTORY_ENUM 0x00000800365#define SMB2_SHAREFLAG_FORCE_LEVELII_OPLOCK 0x00001000366#define SMB2_SHAREFLAG_ENABLE_HASH_V1 0x00002000367#define SMB2_SHAREFLAG_ENABLE_HASH_V2 0x00004000368#define SHI1005_FLAGS_ENCRYPT_DATA 0x00008000369#define SMB2_SHAREFLAG_IDENTITY_REMOTING 0x00040000 /* 3.1.1 */370#define SMB2_SHAREFLAG_COMPRESS_DATA 0x00100000 /* 3.1.1 */371#define SMB2_SHAREFLAG_ISOLATED_TRANSPORT 0x00200000372#define SHI1005_FLAGS_ALL 0x0034FF33373 374/* Possible share capabilities */375#define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) /* all dialects */376#define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */377#define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */378#define SMB2_SHARE_CAP_CLUSTER cpu_to_le32(0x00000040) /* 3.0 */379#define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */380#define SMB2_SHARE_CAP_REDIRECT_TO_OWNER cpu_to_le32(0x00000100) /* 3.1.1 */381 382struct smb2_tree_connect_rsp {383 struct smb2_hdr hdr;384 __le16 StructureSize; /* Must be 16 */385 __u8 ShareType; /* see below */386 __u8 Reserved;387 __le32 ShareFlags; /* see below */388 __le32 Capabilities; /* see below */389 __le32 MaximalAccess;390} __packed;391 392struct smb2_tree_disconnect_req {393 struct smb2_hdr hdr;394 __le16 StructureSize; /* Must be 4 */395 __le16 Reserved;396} __packed;397 398struct smb2_tree_disconnect_rsp {399 struct smb2_hdr hdr;400 __le16 StructureSize; /* Must be 4 */401 __le16 Reserved;402} __packed;403 404 405/*406 * SMB2_NEGOTIATE_PROTOCOL See MS-SMB2 section 2.2.3407 */408/* SecurityMode flags */409#define SMB2_NEGOTIATE_SIGNING_ENABLED 0x0001410#define SMB2_NEGOTIATE_SIGNING_ENABLED_LE cpu_to_le16(0x0001)411#define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002412#define SMB2_NEGOTIATE_SIGNING_REQUIRED_LE cpu_to_le16(0x0002)413#define SMB2_SEC_MODE_FLAGS_ALL 0x0003414 415/* Capabilities flags */416#define SMB2_GLOBAL_CAP_DFS 0x00000001417#define SMB2_GLOBAL_CAP_LEASING 0x00000002 /* Resp only New to SMB2.1 */418#define SMB2_GLOBAL_CAP_LARGE_MTU 0x00000004 /* Resp only New to SMB2.1 */419#define SMB2_GLOBAL_CAP_MULTI_CHANNEL 0x00000008 /* New to SMB3 */420#define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */421#define SMB2_GLOBAL_CAP_DIRECTORY_LEASING 0x00000020 /* New to SMB3 */422#define SMB2_GLOBAL_CAP_ENCRYPTION 0x00000040 /* New to SMB3 */423#define SMB2_GLOBAL_CAP_NOTIFICATIONS 0x00000080 /* New to SMB3.1.1 */424/* Internal types */425#define SMB2_NT_FIND 0x00100000426#define SMB2_LARGE_FILES 0x00200000427 428#define SMB2_CLIENT_GUID_SIZE 16429#define SMB2_CREATE_GUID_SIZE 16430 431/* Dialects */432#define SMB10_PROT_ID 0x0000 /* local only, not sent on wire w/CIFS negprot */433#define SMB20_PROT_ID 0x0202434#define SMB21_PROT_ID 0x0210435#define SMB2X_PROT_ID 0x02FF436#define SMB30_PROT_ID 0x0300437#define SMB302_PROT_ID 0x0302438#define SMB311_PROT_ID 0x0311439#define BAD_PROT_ID 0xFFFF440 441#define SMB311_SALT_SIZE 32442/* Hash Algorithm Types */443#define SMB2_PREAUTH_INTEGRITY_SHA512 cpu_to_le16(0x0001)444#define SMB2_PREAUTH_HASH_SIZE 64445 446/* Negotiate Contexts - ContextTypes. See MS-SMB2 section 2.2.3.1 for details */447#define SMB2_PREAUTH_INTEGRITY_CAPABILITIES cpu_to_le16(1)448#define SMB2_ENCRYPTION_CAPABILITIES cpu_to_le16(2)449#define SMB2_COMPRESSION_CAPABILITIES cpu_to_le16(3)450#define SMB2_NETNAME_NEGOTIATE_CONTEXT_ID cpu_to_le16(5)451#define SMB2_TRANSPORT_CAPABILITIES cpu_to_le16(6)452#define SMB2_RDMA_TRANSFORM_CAPABILITIES cpu_to_le16(7)453#define SMB2_SIGNING_CAPABILITIES cpu_to_le16(8)454#define SMB2_POSIX_EXTENSIONS_AVAILABLE cpu_to_le16(0x100)455 456struct smb2_neg_context {457 __le16 ContextType;458 __le16 DataLength;459 __le32 Reserved;460 /* Followed by array of data. NOTE: some servers require padding to 8 byte boundary */461} __packed;462 463/*464 * SaltLength that the server send can be zero, so the only three required465 * fields (all __le16) end up six bytes total, so the minimum context data len466 * in the response is six bytes which accounts for467 *468 * HashAlgorithmCount, SaltLength, and 1 HashAlgorithm.469 */470#define MIN_PREAUTH_CTXT_DATA_LEN 6471 472struct smb2_preauth_neg_context {473 __le16 ContextType; /* 1 */474 __le16 DataLength;475 __le32 Reserved;476 __le16 HashAlgorithmCount; /* 1 */477 __le16 SaltLength;478 __le16 HashAlgorithms; /* HashAlgorithms[0] since only one defined */479 __u8 Salt[SMB311_SALT_SIZE];480} __packed;481 482/* Encryption Algorithms Ciphers */483#define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001)484#define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002)485#define SMB2_ENCRYPTION_AES256_CCM cpu_to_le16(0x0003)486#define SMB2_ENCRYPTION_AES256_GCM cpu_to_le16(0x0004)487 488/* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */489#define MIN_ENCRYPT_CTXT_DATA_LEN 4490struct smb2_encryption_neg_context {491 __le16 ContextType; /* 2 */492 __le16 DataLength;493 __le32 Reserved;494 /* CipherCount usually 2, but can be 3 when AES256-GCM enabled */495 __le16 CipherCount; /* AES128-GCM and AES128-CCM by default */496 __le16 Ciphers[];497} __packed;498 499/* See MS-SMB2 2.2.3.1.3 */500#define SMB3_COMPRESS_NONE cpu_to_le16(0x0000)501#define SMB3_COMPRESS_LZNT1 cpu_to_le16(0x0001)502#define SMB3_COMPRESS_LZ77 cpu_to_le16(0x0002)503#define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003)504/* Pattern scanning algorithm See MS-SMB2 3.1.4.4.1 */505#define SMB3_COMPRESS_PATTERN cpu_to_le16(0x0004) /* Pattern_V1 */506#define SMB3_COMPRESS_LZ4 cpu_to_le16(0x0005)507 508/* Compression Flags */509#define SMB2_COMPRESSION_CAPABILITIES_FLAG_NONE cpu_to_le32(0x00000000)510#define SMB2_COMPRESSION_CAPABILITIES_FLAG_CHAINED cpu_to_le32(0x00000001)511 512struct smb2_compression_capabilities_context {513 __le16 ContextType; /* 3 */514 __le16 DataLength;515 __le32 Reserved;516 __le16 CompressionAlgorithmCount;517 __le16 Padding;518 __le32 Flags;519 __le16 CompressionAlgorithms[3];520 __u16 Pad; /* Some servers require pad to DataLen multiple of 8 */521 /* Check if pad needed */522} __packed;523 524/*525 * For smb2_netname_negotiate_context_id See MS-SMB2 2.2.3.1.4.526 * Its struct simply contains NetName, an array of Unicode characters527 */528struct smb2_netname_neg_context {529 __le16 ContextType; /* 5 */530 __le16 DataLength;531 __le32 Reserved;532 __le16 NetName[]; /* hostname of target converted to UCS-2 */533} __packed;534 535/*536 * For smb2_transport_capabilities context see MS-SMB2 2.2.3.1.5537 * and 2.2.4.1.5538 */539 540/* Flags */541#define SMB2_ACCEPT_TRANSPORT_LEVEL_SECURITY 0x00000001542 543struct smb2_transport_capabilities_context {544 __le16 ContextType; /* 6 */545 __le16 DataLength;546 __u32 Reserved;547 __le32 Flags;548 __u32 Pad;549} __packed;550 551/*552 * For rdma transform capabilities context see MS-SMB2 2.2.3.1.6553 * and 2.2.4.1.6554 */555 556/* RDMA Transform IDs */557#define SMB2_RDMA_TRANSFORM_NONE 0x0000558#define SMB2_RDMA_TRANSFORM_ENCRYPTION 0x0001559#define SMB2_RDMA_TRANSFORM_SIGNING 0x0002560 561struct smb2_rdma_transform_capabilities_context {562 __le16 ContextType; /* 7 */563 __le16 DataLength;564 __u32 Reserved;565 __le16 TransformCount;566 __u16 Reserved1;567 __u32 Reserved2;568 __le16 RDMATransformIds[];569} __packed;570 571/*572 * For signing capabilities context see MS-SMB2 2.2.3.1.7573 * and 2.2.4.1.7574 */575 576/* Signing algorithms */577#define SIGNING_ALG_HMAC_SHA256 0578#define SIGNING_ALG_HMAC_SHA256_LE cpu_to_le16(0)579#define SIGNING_ALG_AES_CMAC 1580#define SIGNING_ALG_AES_CMAC_LE cpu_to_le16(1)581#define SIGNING_ALG_AES_GMAC 2582#define SIGNING_ALG_AES_GMAC_LE cpu_to_le16(2)583 584struct smb2_signing_capabilities {585 __le16 ContextType; /* 8 */586 __le16 DataLength;587 __le32 Reserved;588 __le16 SigningAlgorithmCount;589 __le16 SigningAlgorithms[];590 /* Followed by padding to 8 byte boundary (required by some servers) */591} __packed;592 593#define POSIX_CTXT_DATA_LEN 16594struct smb2_posix_neg_context {595 __le16 ContextType; /* 0x100 */596 __le16 DataLength;597 __le32 Reserved;598 __u8 Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */599} __packed;600 601struct smb2_negotiate_req {602 struct smb2_hdr hdr;603 __le16 StructureSize; /* Must be 36 */604 __le16 DialectCount;605 __le16 SecurityMode;606 __le16 Reserved; /* MBZ */607 __le32 Capabilities;608 __u8 ClientGUID[SMB2_CLIENT_GUID_SIZE];609 /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */610 __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */611 __le16 NegotiateContextCount; /* SMB3.1.1 only. MBZ earlier */612 __le16 Reserved2;613 __le16 Dialects[];614} __packed;615 616struct smb2_negotiate_rsp {617 struct smb2_hdr hdr;618 __le16 StructureSize; /* Must be 65 */619 __le16 SecurityMode;620 __le16 DialectRevision;621 __le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */622 __u8 ServerGUID[16];623 __le32 Capabilities;624 __le32 MaxTransactSize;625 __le32 MaxReadSize;626 __le32 MaxWriteSize;627 __le64 SystemTime; /* MBZ */628 __le64 ServerStartTime;629 __le16 SecurityBufferOffset;630 __le16 SecurityBufferLength;631 __le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */632 __u8 Buffer[]; /* variable length GSS security buffer */633} __packed;634 635 636/*637 * SMB2_SESSION_SETUP See MS-SMB2 section 2.2.5638 */639/* Flags */640#define SMB2_SESSION_REQ_FLAG_BINDING 0x01641#define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04642 643struct smb2_sess_setup_req {644 struct smb2_hdr hdr;645 __le16 StructureSize; /* Must be 25 */646 __u8 Flags;647 __u8 SecurityMode;648 __le32 Capabilities;649 __le32 Channel;650 __le16 SecurityBufferOffset;651 __le16 SecurityBufferLength;652 __le64 PreviousSessionId;653 __u8 Buffer[]; /* variable length GSS security buffer */654} __packed;655 656/* Currently defined SessionFlags */657#define SMB2_SESSION_FLAG_IS_GUEST 0x0001658#define SMB2_SESSION_FLAG_IS_GUEST_LE cpu_to_le16(0x0001)659#define SMB2_SESSION_FLAG_IS_NULL 0x0002660#define SMB2_SESSION_FLAG_IS_NULL_LE cpu_to_le16(0x0002)661#define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004662#define SMB2_SESSION_FLAG_ENCRYPT_DATA_LE cpu_to_le16(0x0004)663 664struct smb2_sess_setup_rsp {665 struct smb2_hdr hdr;666 __le16 StructureSize; /* Must be 9 */667 __le16 SessionFlags;668 __le16 SecurityBufferOffset;669 __le16 SecurityBufferLength;670 __u8 Buffer[]; /* variable length GSS security buffer */671} __packed;672 673 674/*675 * SMB2_LOGOFF See MS-SMB2 section 2.2.7676 */677struct smb2_logoff_req {678 struct smb2_hdr hdr;679 __le16 StructureSize; /* Must be 4 */680 __le16 Reserved;681} __packed;682 683struct smb2_logoff_rsp {684 struct smb2_hdr hdr;685 __le16 StructureSize; /* Must be 4 */686 __le16 Reserved;687} __packed;688 689 690/*691 * SMB2_CLOSE See MS-SMB2 section 2.2.15692 */693/* Currently defined values for close flags */694#define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001)695struct smb2_close_req {696 struct smb2_hdr hdr;697 __le16 StructureSize; /* Must be 24 */698 __le16 Flags;699 __le32 Reserved;700 __u64 PersistentFileId; /* opaque endianness */701 __u64 VolatileFileId; /* opaque endianness */702} __packed;703 704/*705 * Maximum size of a SMB2_CLOSE response is 64 (smb2 header) + 60 (data)706 */707#define MAX_SMB2_CLOSE_RESPONSE_SIZE 124708 709struct smb2_close_rsp {710 struct smb2_hdr hdr;711 __le16 StructureSize; /* 60 */712 __le16 Flags;713 __le32 Reserved;714 struct_group_attr(network_open_info, __packed,715 __le64 CreationTime;716 __le64 LastAccessTime;717 __le64 LastWriteTime;718 __le64 ChangeTime;719 /* Beginning of FILE_STANDARD_INFO equivalent */720 __le64 AllocationSize;721 __le64 EndOfFile;722 __le32 Attributes;723 );724} __packed;725 726 727/*728 * SMB2_READ See MS-SMB2 section 2.2.19729 */730/* For read request Flags field below, following flag is defined for SMB3.02 */731#define SMB2_READFLAG_READ_UNBUFFERED 0x01732#define SMB2_READFLAG_REQUEST_COMPRESSED 0x02 /* See MS-SMB2 2.2.19 */733 734/* Channel field for read and write: exactly one of following flags can be set*/735#define SMB2_CHANNEL_NONE cpu_to_le32(0x00000000)736#define SMB2_CHANNEL_RDMA_V1 cpu_to_le32(0x00000001)737#define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002)738#define SMB2_CHANNEL_RDMA_TRANSFORM cpu_to_le32(0x00000003)739 740/* SMB2 read request without RFC1001 length at the beginning */741struct smb2_read_req {742 struct smb2_hdr hdr;743 __le16 StructureSize; /* Must be 49 */744 __u8 Padding; /* offset from start of SMB2 header to place read */745 __u8 Flags; /* MBZ unless SMB3.02 or later */746 __le32 Length;747 __le64 Offset;748 __u64 PersistentFileId;749 __u64 VolatileFileId;750 __le32 MinimumCount;751 __le32 Channel; /* MBZ except for SMB3 or later */752 __le32 RemainingBytes;753 __le16 ReadChannelInfoOffset;754 __le16 ReadChannelInfoLength;755 __u8 Buffer[];756} __packed;757 758/* Read flags */759#define SMB2_READFLAG_RESPONSE_NONE cpu_to_le32(0x00000000)760#define SMB2_READFLAG_RESPONSE_RDMA_TRANSFORM cpu_to_le32(0x00000001)761 762struct smb2_read_rsp {763 struct smb2_hdr hdr;764 __le16 StructureSize; /* Must be 17 */765 __u8 DataOffset;766 __u8 Reserved;767 __le32 DataLength;768 __le32 DataRemaining;769 __le32 Flags;770 __u8 Buffer[];771} __packed;772 773 774/*775 * SMB2_WRITE See MS-SMB2 section 2.2.21776 */777/* For write request Flags field below the following flags are defined: */778#define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 /* SMB2.1 or later */779#define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002 /* SMB3.02 or later */780 781struct smb2_write_req {782 struct smb2_hdr hdr;783 __le16 StructureSize; /* Must be 49 */784 __le16 DataOffset; /* offset from start of SMB2 header to write data */785 __le32 Length;786 __le64 Offset;787 __u64 PersistentFileId; /* opaque endianness */788 __u64 VolatileFileId; /* opaque endianness */789 __le32 Channel; /* MBZ unless SMB3.02 or later */790 __le32 RemainingBytes;791 __le16 WriteChannelInfoOffset;792 __le16 WriteChannelInfoLength;793 __le32 Flags;794 __u8 Buffer[];795} __packed;796 797struct smb2_write_rsp {798 struct smb2_hdr hdr;799 __le16 StructureSize; /* Must be 17 */800 __u8 DataOffset;801 __u8 Reserved;802 __le32 DataLength;803 __le32 DataRemaining;804 __u32 Reserved2;805 __u8 Buffer[];806} __packed;807 808 809/*810 * SMB2_FLUSH See MS-SMB2 section 2.2.17811 */812struct smb2_flush_req {813 struct smb2_hdr hdr;814 __le16 StructureSize; /* Must be 24 */815 __le16 Reserved1;816 __le32 Reserved2;817 __u64 PersistentFileId;818 __u64 VolatileFileId;819} __packed;820 821struct smb2_flush_rsp {822 struct smb2_hdr hdr;823 __le16 StructureSize;824 __le16 Reserved;825} __packed;826 827#define SMB2_LOCKFLAG_SHARED 0x0001828#define SMB2_LOCKFLAG_EXCLUSIVE 0x0002829#define SMB2_LOCKFLAG_UNLOCK 0x0004830#define SMB2_LOCKFLAG_FAIL_IMMEDIATELY 0x0010831#define SMB2_LOCKFLAG_MASK 0x0007832 833struct smb2_lock_element {834 __le64 Offset;835 __le64 Length;836 __le32 Flags;837 __le32 Reserved;838} __packed;839 840struct smb2_lock_req {841 struct smb2_hdr hdr;842 __le16 StructureSize; /* Must be 48 */843 __le16 LockCount;844 /*845 * The least significant four bits are the index, the other 28 bits are846 * the lock sequence number (0 to 64). See MS-SMB2 2.2.26847 */848 __le32 LockSequenceNumber;849 __u64 PersistentFileId;850 __u64 VolatileFileId;851 /* Followed by at least one */852 union {853 struct smb2_lock_element lock;854 DECLARE_FLEX_ARRAY(struct smb2_lock_element, locks);855 };856} __packed;857 858struct smb2_lock_rsp {859 struct smb2_hdr hdr;860 __le16 StructureSize; /* Must be 4 */861 __le16 Reserved;862} __packed;863 864struct smb2_echo_req {865 struct smb2_hdr hdr;866 __le16 StructureSize; /* Must be 4 */867 __u16 Reserved;868} __packed;869 870struct smb2_echo_rsp {871 struct smb2_hdr hdr;872 __le16 StructureSize; /* Must be 4 */873 __u16 Reserved;874} __packed;875 876/*877 * Valid FileInformation classes for query directory878 *879 * Note that these are a subset of the (file) QUERY_INFO levels defined880 * later in this file (but since QUERY_DIRECTORY uses equivalent numbers881 * we do not redefine them here)882 *883 * FileDirectoryInfomation 0x01884 * FileFullDirectoryInformation 0x02885 * FileIdFullDirectoryInformation 0x26886 * FileBothDirectoryInformation 0x03887 * FileIdBothDirectoryInformation 0x25888 * FileNamesInformation 0x0C889 * FileIdExtdDirectoryInformation 0x3C890 */891 892/* search (query_directory) Flags field */893#define SMB2_RESTART_SCANS 0x01894#define SMB2_RETURN_SINGLE_ENTRY 0x02895#define SMB2_INDEX_SPECIFIED 0x04896#define SMB2_REOPEN 0x10897 898struct smb2_query_directory_req {899 struct smb2_hdr hdr;900 __le16 StructureSize; /* Must be 33 */901 __u8 FileInformationClass;902 __u8 Flags;903 __le32 FileIndex;904 __u64 PersistentFileId;905 __u64 VolatileFileId;906 __le16 FileNameOffset;907 __le16 FileNameLength;908 __le32 OutputBufferLength;909 __u8 Buffer[];910} __packed;911 912struct smb2_query_directory_rsp {913 struct smb2_hdr hdr;914 __le16 StructureSize; /* Must be 9 */915 __le16 OutputBufferOffset;916 __le32 OutputBufferLength;917 __u8 Buffer[];918} __packed;919 920/* DeviceType Flags */921#define FILE_DEVICE_CD_ROM 0x00000002922#define FILE_DEVICE_CD_ROM_FILE_SYSTEM 0x00000003923#define FILE_DEVICE_DFS 0x00000006924#define FILE_DEVICE_DISK 0x00000007925#define FILE_DEVICE_DISK_FILE_SYSTEM 0x00000008926#define FILE_DEVICE_FILE_SYSTEM 0x00000009927#define FILE_DEVICE_NAMED_PIPE 0x00000011928#define FILE_DEVICE_NETWORK 0x00000012929#define FILE_DEVICE_NETWORK_FILE_SYSTEM 0x00000014930#define FILE_DEVICE_NULL 0x00000015931#define FILE_DEVICE_PARALLEL_PORT 0x00000016932#define FILE_DEVICE_PRINTER 0x00000018933#define FILE_DEVICE_SERIAL_PORT 0x0000001b934#define FILE_DEVICE_STREAMS 0x0000001e935#define FILE_DEVICE_TAPE 0x0000001f936#define FILE_DEVICE_TAPE_FILE_SYSTEM 0x00000020937#define FILE_DEVICE_VIRTUAL_DISK 0x00000024938#define FILE_DEVICE_NETWORK_REDIRECTOR 0x00000028939 940/* Device Characteristics */941#define FILE_REMOVABLE_MEDIA 0x00000001942#define FILE_READ_ONLY_DEVICE 0x00000002943#define FILE_FLOPPY_DISKETTE 0x00000004944#define FILE_WRITE_ONCE_MEDIA 0x00000008945#define FILE_REMOTE_DEVICE 0x00000010946#define FILE_DEVICE_IS_MOUNTED 0x00000020947#define FILE_VIRTUAL_VOLUME 0x00000040948#define FILE_DEVICE_SECURE_OPEN 0x00000100949#define FILE_CHARACTERISTIC_TS_DEVICE 0x00001000950#define FILE_CHARACTERISTIC_WEBDAV_DEVICE 0x00002000951#define FILE_PORTABLE_DEVICE 0x00004000952#define FILE_DEVICE_ALLOW_APPCONTAINER_TRAVERSAL 0x00020000953 954/*955 * Maximum number of iovs we need for a set-info request.956 * The largest one is rename/hardlink957 * [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info958 * [1] : path959 * [2] : compound padding960 */961#define SMB2_SET_INFO_IOV_SIZE 3962 963struct smb2_set_info_req {964 struct smb2_hdr hdr;965 __le16 StructureSize; /* Must be 33 */966 __u8 InfoType;967 __u8 FileInfoClass;968 __le32 BufferLength;969 __le16 BufferOffset;970 __u16 Reserved;971 __le32 AdditionalInformation;972 __u64 PersistentFileId;973 __u64 VolatileFileId;974 __u8 Buffer[];975} __packed;976 977struct smb2_set_info_rsp {978 struct smb2_hdr hdr;979 __le16 StructureSize; /* Must be 2 */980} __packed;981 982/*983 * SMB2_NOTIFY See MS-SMB2 section 2.2.35984 */985/* notify flags */986#define SMB2_WATCH_TREE 0x0001987 988/* notify completion filter flags. See MS-FSCC 2.6 and MS-SMB2 2.2.35 */989#define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001990#define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002991#define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004992#define FILE_NOTIFY_CHANGE_SIZE 0x00000008993#define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010994#define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020995#define FILE_NOTIFY_CHANGE_CREATION 0x00000040996#define FILE_NOTIFY_CHANGE_EA 0x00000080997#define FILE_NOTIFY_CHANGE_SECURITY 0x00000100998#define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200999#define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x000004001000#define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x000008001001 1002/* SMB2 Notify Action Flags */1003#define FILE_ACTION_ADDED 0x000000011004#define FILE_ACTION_REMOVED 0x000000021005#define FILE_ACTION_MODIFIED 0x000000031006#define FILE_ACTION_RENAMED_OLD_NAME 0x000000041007#define FILE_ACTION_RENAMED_NEW_NAME 0x000000051008#define FILE_ACTION_ADDED_STREAM 0x000000061009#define FILE_ACTION_REMOVED_STREAM 0x000000071010#define FILE_ACTION_MODIFIED_STREAM 0x000000081011#define FILE_ACTION_REMOVED_BY_DELETE 0x000000091012 1013struct smb2_change_notify_req {1014 struct smb2_hdr hdr;1015 __le16 StructureSize;1016 __le16 Flags;1017 __le32 OutputBufferLength;1018 __u64 PersistentFileId; /* opaque endianness */1019 __u64 VolatileFileId; /* opaque endianness */1020 __le32 CompletionFilter;1021 __u32 Reserved;1022} __packed;1023 1024struct smb2_change_notify_rsp {1025 struct smb2_hdr hdr;1026 __le16 StructureSize; /* Must be 9 */1027 __le16 OutputBufferOffset;1028 __le32 OutputBufferLength;1029 __u8 Buffer[]; /* array of file notify structs */1030} __packed;1031 1032/*1033 * SMB2_SERVER_TO_CLIENT_NOTIFICATION: See MS-SMB2 section 2.2.441034 */1035 1036#define SMB2_NOTIFY_SESSION_CLOSED 0x00001037 1038struct smb2_server_client_notification {1039 struct smb2_hdr hdr;1040 __le16 StructureSize;1041 __u16 Reserved; /* MBZ */1042 __le32 NotificationType;1043 __u8 NotificationBuffer[4]; /* MBZ */1044} __packed;1045 1046/*1047 * SMB2_CREATE See MS-SMB2 section 2.2.131048 */1049/* Oplock levels */1050#define SMB2_OPLOCK_LEVEL_NONE 0x001051#define SMB2_OPLOCK_LEVEL_II 0x011052#define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x081053#define SMB2_OPLOCK_LEVEL_BATCH 0x091054#define SMB2_OPLOCK_LEVEL_LEASE 0xFF1055/* Non-spec internal type */1056#define SMB2_OPLOCK_LEVEL_NOCHANGE 0x991057 1058/* Impersonation Levels. See MS-WPO section 9.7 and MSDN-IMPERS */1059#define IL_ANONYMOUS cpu_to_le32(0x00000000)1060#define IL_IDENTIFICATION cpu_to_le32(0x00000001)1061#define IL_IMPERSONATION cpu_to_le32(0x00000002)1062#define IL_DELEGATE cpu_to_le32(0x00000003)1063 1064/* File Attributes */1065#define FILE_ATTRIBUTE_READONLY 0x000000011066#define FILE_ATTRIBUTE_HIDDEN 0x000000021067#define FILE_ATTRIBUTE_SYSTEM 0x000000041068#define FILE_ATTRIBUTE_DIRECTORY 0x000000101069#define FILE_ATTRIBUTE_ARCHIVE 0x000000201070#define FILE_ATTRIBUTE_NORMAL 0x000000801071#define FILE_ATTRIBUTE_TEMPORARY 0x000001001072#define FILE_ATTRIBUTE_SPARSE_FILE 0x000002001073#define FILE_ATTRIBUTE_REPARSE_POINT 0x000004001074#define FILE_ATTRIBUTE_COMPRESSED 0x000008001075#define FILE_ATTRIBUTE_OFFLINE 0x000010001076#define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x000020001077#define FILE_ATTRIBUTE_ENCRYPTED 0x000040001078#define FILE_ATTRIBUTE_INTEGRITY_STREAM 0x000080001079#define FILE_ATTRIBUTE_NO_SCRUB_DATA 0x000200001080#define FILE_ATTRIBUTE__MASK 0x00007FB71081 1082#define FILE_ATTRIBUTE_READONLY_LE cpu_to_le32(0x00000001)1083#define FILE_ATTRIBUTE_HIDDEN_LE cpu_to_le32(0x00000002)1084#define FILE_ATTRIBUTE_SYSTEM_LE cpu_to_le32(0x00000004)1085#define FILE_ATTRIBUTE_DIRECTORY_LE cpu_to_le32(0x00000010)1086#define FILE_ATTRIBUTE_ARCHIVE_LE cpu_to_le32(0x00000020)1087#define FILE_ATTRIBUTE_NORMAL_LE cpu_to_le32(0x00000080)1088#define FILE_ATTRIBUTE_TEMPORARY_LE cpu_to_le32(0x00000100)1089#define FILE_ATTRIBUTE_SPARSE_FILE_LE cpu_to_le32(0x00000200)1090#define FILE_ATTRIBUTE_REPARSE_POINT_LE cpu_to_le32(0x00000400)1091#define FILE_ATTRIBUTE_COMPRESSED_LE cpu_to_le32(0x00000800)1092#define FILE_ATTRIBUTE_OFFLINE_LE cpu_to_le32(0x00001000)1093#define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED_LE cpu_to_le32(0x00002000)1094#define FILE_ATTRIBUTE_ENCRYPTED_LE cpu_to_le32(0x00004000)1095#define FILE_ATTRIBUTE_INTEGRITY_STREAM_LE cpu_to_le32(0x00008000)1096#define FILE_ATTRIBUTE_NO_SCRUB_DATA_LE cpu_to_le32(0x00020000)1097#define FILE_ATTRIBUTE_MASK_LE cpu_to_le32(0x00007FB7)1098 1099/* Desired Access Flags */1100#define FILE_READ_DATA_LE cpu_to_le32(0x00000001)1101#define FILE_LIST_DIRECTORY_LE cpu_to_le32(0x00000001)1102#define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002)1103#define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004)1104#define FILE_ADD_SUBDIRECTORY_LE cpu_to_le32(0x00000004)1105#define FILE_READ_EA_LE cpu_to_le32(0x00000008)1106#define FILE_WRITE_EA_LE cpu_to_le32(0x00000010)1107#define FILE_EXECUTE_LE cpu_to_le32(0x00000020)1108#define FILE_DELETE_CHILD_LE cpu_to_le32(0x00000040)1109#define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080)1110#define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100)1111#define FILE_DELETE_LE cpu_to_le32(0x00010000)1112#define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000)1113#define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000)1114#define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000)1115#define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000)1116#define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000)1117#define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000)1118#define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000)1119#define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000)1120#define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000)1121#define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000)1122#define DESIRED_ACCESS_MASK cpu_to_le32(0xF21F01FF)1123 1124 1125#define FILE_READ_DESIRED_ACCESS_LE (FILE_READ_DATA_LE | \1126 FILE_READ_EA_LE | \1127 FILE_GENERIC_READ_LE)1128#define FILE_WRITE_DESIRE_ACCESS_LE (FILE_WRITE_DATA_LE | \1129 FILE_APPEND_DATA_LE | \1130 FILE_WRITE_EA_LE | \1131 FILE_WRITE_ATTRIBUTES_LE | \1132 FILE_GENERIC_WRITE_LE)1133 1134/* ShareAccess Flags */1135#define FILE_SHARE_READ_LE cpu_to_le32(0x00000001)1136#define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002)1137#define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004)1138#define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007)1139 1140/* CreateDisposition Flags */1141#define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000)1142#define FILE_OPEN_LE cpu_to_le32(0x00000001)1143#define FILE_CREATE_LE cpu_to_le32(0x00000002)1144#define FILE_OPEN_IF_LE cpu_to_le32(0x00000003)1145#define FILE_OVERWRITE_LE cpu_to_le32(0x00000004)1146#define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005)1147#define FILE_CREATE_MASK_LE cpu_to_le32(0x00000007)1148 1149#define FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA \1150 | FILE_READ_ATTRIBUTES)1151#define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \1152 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES)1153#define FILE_EXEC_RIGHTS (FILE_EXECUTE)1154 1155/* CreateOptions Flags */1156#define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001)1157/* same as #define CREATE_NOT_FILE_LE cpu_to_le32(0x00000001) */1158#define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002)1159#define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004)1160#define FILE_NO_INTERMEDIATE_BUFFERING_LE cpu_to_le32(0x00000008)1161/* FILE_SYNCHRONOUS_IO_ALERT_LE cpu_to_le32(0x00000010) should be zero, ignored */1162/* FILE_SYNCHRONOUS_IO_NONALERT cpu_to_le32(0x00000020) should be zero, ignored */1163#define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040)1164#define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100)1165#define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200)1166/* FILE_OPEN_REMOTE_INSTANCE cpu_to_le32(0x00000400) should be zero, ignored */1167#define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800)1168#define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000) /* MBZ */1169#define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000)1170#define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000)1171#define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000)1172/* FILE_OPEN_REQUIRING_OPLOCK cpu_to_le32(0x00010000) should be zero, ignored */1173/* FILE_DISALLOW_EXCLUSIVE cpu_to_le32(0x00020000) should be zero, ignored */1174/* FILE_RESERVE_OPFILTER cpu_to_le32(0x00100000) MBZ */1175#define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000)1176#define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000)1177/* #define FILE_OPEN_FOR_FREE_SPACE_QUERY cpu_to_le32(0x00800000) should be zero, ignored */1178#define CREATE_OPTIONS_MASK_LE cpu_to_le32(0x00FFFFFF)1179 1180#define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \1181 | FILE_READ_ATTRIBUTES_LE)1182#define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \1183 | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE)1184#define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE)1185 1186/* Create Context Values */1187#define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */1188#define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */1189#define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ"1190#define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC"1191#define SMB2_CREATE_ALLOCATION_SIZE "AlSi"1192#define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc"1193#define SMB2_CREATE_TIMEWARP_REQUEST "TWrp"1194#define SMB2_CREATE_QUERY_ON_DISK_ID "QFid"1195#define SMB2_CREATE_REQUEST_LEASE "RqLs"1196#define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q"1197#define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C"1198#define SMB2_CREATE_TAG_POSIX "\x93\xAD\x25\x50\x9C\xB4\x11\xE7\xB4\x23\x83\xDE\x96\x8B\xCD\x7C"1199#define SMB2_CREATE_APP_INSTANCE_ID "\x45\xBC\xA6\x6A\xEF\xA7\xF7\x4A\x90\x08\xFA\x46\x2E\x14\x4D\x74"1200#define SMB2_CREATE_APP_INSTANCE_VERSION "\xB9\x82\xD0\xB7\x3B\x56\x07\x4F\xA0\x7B\x52\x4A\x81\x16\xA0\x10"1201#define SVHDX_OPEN_DEVICE_CONTEXT "\x9C\xCB\xCF\x9E\x04\xC1\xE6\x43\x98\x0E\x15\x8D\xA1\xF6\xEC\x83"1202#define SMB2_CREATE_TAG_AAPL "AAPL"1203 1204/* Flag (SMB3 open response) values */1205#define SMB2_CREATE_FLAG_REPARSEPOINT 0x011206 1207struct create_context {1208 /* New members must be added within the struct_group() macro below. */1209 __struct_group(create_context_hdr, hdr, __packed,1210 __le32 Next;1211 __le16 NameOffset;1212 __le16 NameLength;1213 __le16 Reserved;1214 __le16 DataOffset;1215 __le32 DataLength;1216 );1217 __u8 Buffer[];1218} __packed;1219static_assert(offsetof(struct create_context, Buffer) == sizeof(struct create_context_hdr),1220 "struct member likely outside of __struct_group()");1221 1222struct smb2_create_req {1223 struct smb2_hdr hdr;1224 __le16 StructureSize; /* Must be 57 */1225 __u8 SecurityFlags;1226 __u8 RequestedOplockLevel;1227 __le32 ImpersonationLevel;1228 __le64 SmbCreateFlags;1229 __le64 Reserved;1230 __le32 DesiredAccess;1231 __le32 FileAttributes;1232 __le32 ShareAccess;1233 __le32 CreateDisposition;1234 __le32 CreateOptions;1235 __le16 NameOffset;1236 __le16 NameLength;1237 __le32 CreateContextsOffset;1238 __le32 CreateContextsLength;1239 __u8 Buffer[];1240} __packed;1241 1242struct smb2_create_rsp {1243 struct smb2_hdr hdr;1244 __le16 StructureSize; /* Must be 89 */1245 __u8 OplockLevel;1246 __u8 Flags; /* 0x01 if reparse point */1247 __le32 CreateAction;1248 __le64 CreationTime;1249 __le64 LastAccessTime;1250 __le64 LastWriteTime;1251 __le64 ChangeTime;1252 __le64 AllocationSize;1253 __le64 EndofFile;1254 __le32 FileAttributes;1255 __le32 Reserved2;1256 __u64 PersistentFileId;1257 __u64 VolatileFileId;1258 __le32 CreateContextsOffset;1259 __le32 CreateContextsLength;1260 __u8 Buffer[];1261} __packed;1262 1263struct create_posix {1264 struct create_context_hdr ccontext;1265 __u8 Name[16];1266 __le32 Mode;1267 __u32 Reserved;1268} __packed;1269 1270/* See MS-SMB2 2.2.13.2.3 and MS-SMB2 2.2.13.2.4 */1271struct create_durable {1272 struct create_context_hdr ccontext;1273 __u8 Name[8];1274 union {1275 __u8 Reserved[16];1276 struct {1277 __u64 PersistentFileId;1278 __u64 VolatileFileId;1279 } Fid;1280 } Data;1281} __packed;1282 1283/* See MS-SMB2 2.2.13.2.5 */1284struct create_mxac_req {1285 struct create_context_hdr ccontext;1286 __u8 Name[8];1287 __le64 Timestamp;1288} __packed;1289 1290/* See MS-SMB2 2.2.14.2.5 */1291struct create_mxac_rsp {1292 struct create_context_hdr ccontext;1293 __u8 Name[8];1294 __le32 QueryStatus;1295 __le32 MaximalAccess;1296} __packed;1297 1298#define SMB2_LEASE_NONE_LE cpu_to_le32(0x00)1299#define SMB2_LEASE_READ_CACHING_LE cpu_to_le32(0x01)1300#define SMB2_LEASE_HANDLE_CACHING_LE cpu_to_le32(0x02)1301#define SMB2_LEASE_WRITE_CACHING_LE cpu_to_le32(0x04)1302 1303#define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS_LE cpu_to_le32(0x02)1304#define SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET_LE cpu_to_le32(0x04)1305 1306#define SMB2_LEASE_KEY_SIZE 161307 1308/* See MS-SMB2 2.2.13.2.8 */1309struct lease_context {1310 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE];1311 __le32 LeaseState;1312 __le32 LeaseFlags;1313 __le64 LeaseDuration;1314} __packed;1315 1316/* See MS-SMB2 2.2.13.2.10 */1317struct lease_context_v2 {1318 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE];1319 __le32 LeaseState;1320 __le32 LeaseFlags;1321 __le64 LeaseDuration;1322 __u8 ParentLeaseKey[SMB2_LEASE_KEY_SIZE];1323 __le16 Epoch;1324 __le16 Reserved;1325} __packed;1326 1327struct create_lease {1328 struct create_context_hdr ccontext;1329 __u8 Name[8];1330 struct lease_context lcontext;1331} __packed;1332 1333struct create_lease_v2 {1334 struct create_context_hdr ccontext;1335 __u8 Name[8];1336 struct lease_context_v2 lcontext;1337 __u8 Pad[4];1338} __packed;1339 1340/* See MS-SMB2 2.2.14.2.9 */1341struct create_disk_id_rsp {1342 struct create_context_hdr ccontext;1343 __u8 Name[8];1344 __le64 DiskFileId;1345 __le64 VolumeId;1346 __u8 Reserved[16];1347} __packed;1348 1349/* See MS-SMB2 2.2.13.2.13 */1350struct create_app_inst_id {1351 struct create_context_hdr ccontext;1352 __u8 Name[16];1353 __le32 StructureSize; /* Must be 20 */1354 __u16 Reserved;1355 __u8 AppInstanceId[16];1356} __packed;1357 1358/* See MS-SMB2 2.2.13.2.15 */1359struct create_app_inst_id_vers {1360 struct create_context_hdr ccontext;1361 __u8 Name[16];1362 __le32 StructureSize; /* Must be 24 */1363 __u16 Reserved;1364 __u32 Padding;1365 __le64 AppInstanceVersionHigh;1366 __le64 AppInstanceVersionLow;1367} __packed;1368 1369/* See MS-SMB2 2.2.31 and 2.2.32 */1370struct smb2_ioctl_req {1371 struct smb2_hdr hdr;1372 __le16 StructureSize; /* Must be 57 */1373 __le16 Reserved; /* offset from start of SMB2 header to write data */1374 __le32 CtlCode;1375 __u64 PersistentFileId;1376 __u64 VolatileFileId;1377 __le32 InputOffset; /* Reserved MBZ */1378 __le32 InputCount;1379 __le32 MaxInputResponse;1380 __le32 OutputOffset;1381 __le32 OutputCount;1382 __le32 MaxOutputResponse;1383 __le32 Flags;1384 __le32 Reserved2;1385 __u8 Buffer[];1386} __packed;1387 1388struct smb2_ioctl_rsp {1389 struct smb2_hdr hdr;1390 __le16 StructureSize; /* Must be 49 */1391 __le16 Reserved;1392 __le32 CtlCode;1393 __u64 PersistentFileId;1394 __u64 VolatileFileId;1395 __le32 InputOffset; /* Reserved MBZ */1396 __le32 InputCount;1397 __le32 OutputOffset;1398 __le32 OutputCount;1399 __le32 Flags;1400 __le32 Reserved2;1401 __u8 Buffer[];1402} __packed;1403 1404/* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */1405struct file_zero_data_information {1406 __le64 FileOffset;1407 __le64 BeyondFinalZero;1408} __packed;1409 1410/* See MS-FSCC 2.3.7 */1411struct duplicate_extents_to_file {1412 __u64 PersistentFileHandle; /* source file handle, opaque endianness */1413 __u64 VolatileFileHandle;1414 __le64 SourceFileOffset;1415 __le64 TargetFileOffset;1416 __le64 ByteCount; /* Bytes to be copied */1417} __packed;1418 1419/* See MS-FSCC 2.3.8 */1420#define DUPLICATE_EXTENTS_DATA_EX_SOURCE_ATOMIC 0x000000011421struct duplicate_extents_to_file_ex {1422 __u64 PersistentFileHandle; /* source file handle, opaque endianness */1423 __u64 VolatileFileHandle;1424 __le64 SourceFileOffset;1425 __le64 TargetFileOffset;1426 __le64 ByteCount; /* Bytes to be copied */1427 __le32 Flags;1428 __le32 Reserved;1429} __packed;1430 1431 1432/* See MS-FSCC 2.3.20 */1433struct fsctl_get_integrity_information_rsp {1434 __le16 ChecksumAlgorithm;1435 __le16 Reserved;1436 __le32 Flags;1437 __le32 ChecksumChunkSizeInBytes;1438 __le32 ClusterSizeInBytes;1439} __packed;1440 1441/* See MS-FSCC 2.3.55 */1442struct fsctl_query_file_regions_req {1443 __le64 FileOffset;1444 __le64 Length;1445 __le32 DesiredUsage;1446 __le32 Reserved;1447} __packed;1448 1449/* DesiredUsage flags see MS-FSCC 2.3.56.1 */1450#define FILE_USAGE_INVALID_RANGE 0x000000001451#define FILE_USAGE_VALID_CACHED_DATA 0x000000011452#define FILE_USAGE_NONCACHED_DATA 0x000000021453 1454struct file_region_info {1455 __le64 FileOffset;1456 __le64 Length;1457 __le32 DesiredUsage;1458 __le32 Reserved;1459} __packed;1460 1461/* See MS-FSCC 2.3.56 */1462struct fsctl_query_file_region_rsp {1463 __le32 Flags;1464 __le32 TotalRegionEntryCount;1465 __le32 RegionEntryCount;1466 __u32 Reserved;1467 struct file_region_info Regions[];1468} __packed;1469 1470/* See MS-FSCC 2.3.58 */1471struct fsctl_query_on_disk_vol_info_rsp {1472 __le64 DirectoryCount;1473 __le64 FileCount;1474 __le16 FsFormatMajVersion;1475 __le16 FsFormatMinVersion;1476 __u8 FsFormatName[24];1477 __le64 FormatTime;1478 __le64 LastUpdateTime;1479 __u8 CopyrightInfo[68];1480 __u8 AbstractInfo[68];1481 __u8 FormatImplInfo[68];1482 __u8 LastModifyImplInfo[68];1483} __packed;1484 1485/* See MS-FSCC 2.3.73 */1486struct fsctl_set_integrity_information_req {1487 __le16 ChecksumAlgorithm;1488 __le16 Reserved;1489 __le32 Flags;1490} __packed;1491 1492/* See MS-FSCC 2.3.75 */1493struct fsctl_set_integrity_info_ex_req {1494 __u8 EnableIntegrity;1495 __u8 KeepState;1496 __u16 Reserved;1497 __le32 Flags;1498 __u8 Version;1499 __u8 Reserved2[7];1500} __packed;1501 1502/* Integrity ChecksumAlgorithm choices for above */1503#define CHECKSUM_TYPE_NONE 0x00001504#define CHECKSUM_TYPE_CRC64 0x00021505#define CHECKSUM_TYPE_UNCHANGED 0xFFFF /* set only */1506 1507/* Integrity flags for above */1508#define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x000000011509 1510/* Reparse structures - see MS-FSCC 2.1.2 */1511 1512/* struct fsctl_reparse_info_req is empty, only response structs (see below) */1513struct reparse_data_buffer {1514 __le32 ReparseTag;1515 __le16 ReparseDataLength;1516 __u16 Reserved;1517 __u8 DataBuffer[]; /* Variable Length */1518} __packed;1519 1520struct reparse_guid_data_buffer {1521 __le32 ReparseTag;1522 __le16 ReparseDataLength;1523 __u16 Reserved;1524 __u8 ReparseGuid[16];1525 __u8 DataBuffer[]; /* Variable Length */1526} __packed;1527 1528struct reparse_mount_point_data_buffer {1529 __le32 ReparseTag;1530 __le16 ReparseDataLength;1531 __u16 Reserved;1532 __le16 SubstituteNameOffset;1533 __le16 SubstituteNameLength;1534 __le16 PrintNameOffset;1535 __le16 PrintNameLength;1536 __u8 PathBuffer[]; /* Variable Length */1537} __packed;1538 1539#define SYMLINK_FLAG_RELATIVE 0x000000011540 1541struct reparse_symlink_data_buffer {1542 __le32 ReparseTag;1543 __le16 ReparseDataLength;1544 __u16 Reserved;1545 __le16 SubstituteNameOffset;1546 __le16 SubstituteNameLength;1547 __le16 PrintNameOffset;1548 __le16 PrintNameLength;1549 __le32 Flags;1550 __u8 PathBuffer[]; /* Variable Length */1551} __packed;1552 1553/* See MS-FSCC 2.1.2.6 and cifspdu.h for struct reparse_posix_data */1554 1555struct validate_negotiate_info_req {1556 __le32 Capabilities;1557 __u8 Guid[SMB2_CLIENT_GUID_SIZE];1558 __le16 SecurityMode;1559 __le16 DialectCount;1560 __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */1561} __packed;1562 1563struct validate_negotiate_info_rsp {1564 __le32 Capabilities;1565 __u8 Guid[SMB2_CLIENT_GUID_SIZE];1566 __le16 SecurityMode;1567 __le16 Dialect; /* Dialect in use for the connection */1568} __packed;1569 1570 1571/* Possible InfoType values */1572#define SMB2_O_INFO_FILE 0x011573#define SMB2_O_INFO_FILESYSTEM 0x021574#define SMB2_O_INFO_SECURITY 0x031575#define SMB2_O_INFO_QUOTA 0x041576 1577/* SMB2 Query Info see MS-SMB2 (2.2.37) or MS-DTYP */1578 1579/* List of QUERY INFO levels (those also valid for QUERY_DIR are noted below */1580#define FILE_DIRECTORY_INFORMATION 1 /* also for QUERY_DIR */1581#define FILE_FULL_DIRECTORY_INFORMATION 2 /* also for QUERY_DIR */1582#define FILE_BOTH_DIRECTORY_INFORMATION 3 /* also for QUERY_DIR */1583#define FILE_BASIC_INFORMATION 41584#define FILE_STANDARD_INFORMATION 51585#define FILE_INTERNAL_INFORMATION 61586#define FILE_EA_INFORMATION 71587#define FILE_ACCESS_INFORMATION 81588#define FILE_NAME_INFORMATION 91589#define FILE_RENAME_INFORMATION 101590#define FILE_LINK_INFORMATION 111591#define FILE_NAMES_INFORMATION 12 /* also for QUERY_DIR */1592#define FILE_DISPOSITION_INFORMATION 131593#define FILE_POSITION_INFORMATION 141594#define FILE_FULL_EA_INFORMATION 151595#define FILE_MODE_INFORMATION 161596#define FILE_ALIGNMENT_INFORMATION 171597#define FILE_ALL_INFORMATION 181598#define FILE_ALLOCATION_INFORMATION 191599#define FILE_END_OF_FILE_INFORMATION 201600#define FILE_ALTERNATE_NAME_INFORMATION 211601#define FILE_STREAM_INFORMATION 221602#define FILE_PIPE_INFORMATION 231603#define FILE_PIPE_LOCAL_INFORMATION 241604#define FILE_PIPE_REMOTE_INFORMATION 251605#define FILE_MAILSLOT_QUERY_INFORMATION 261606#define FILE_MAILSLOT_SET_INFORMATION 271607#define FILE_COMPRESSION_INFORMATION 281608#define FILE_OBJECT_ID_INFORMATION 291609/* Number 30 not defined in documents */1610#define FILE_MOVE_CLUSTER_INFORMATION 311611#define FILE_QUOTA_INFORMATION 321612#define FILE_REPARSE_POINT_INFORMATION 331613#define FILE_NETWORK_OPEN_INFORMATION 341614#define FILE_ATTRIBUTE_TAG_INFORMATION 351615#define FILE_TRACKING_INFORMATION 361616#define FILEID_BOTH_DIRECTORY_INFORMATION 37 /* also for QUERY_DIR */1617#define FILEID_FULL_DIRECTORY_INFORMATION 38 /* also for QUERY_DIR */1618#define FILE_VALID_DATA_LENGTH_INFORMATION 391619#define FILE_SHORT_NAME_INFORMATION 401620#define FILE_SFIO_RESERVE_INFORMATION 441621#define FILE_SFIO_VOLUME_INFORMATION 451622#define FILE_HARD_LINK_INFORMATION 461623#define FILE_NORMALIZED_NAME_INFORMATION 481624#define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 501625#define FILE_STANDARD_LINK_INFORMATION 541626#define FILE_ID_INFORMATION 591627#define FILE_ID_EXTD_DIRECTORY_INFORMATION 60 /* also for QUERY_DIR */1628/* Used for Query Info and Find File POSIX Info for SMB3.1.1 and SMB1 */1629#define SMB_FIND_FILE_POSIX_INFO 0x0641630 1631/* Security info type additionalinfo flags. */1632#define OWNER_SECINFO 0x000000011633#define GROUP_SECINFO 0x000000021634#define DACL_SECINFO 0x000000041635#define SACL_SECINFO 0x000000081636#define LABEL_SECINFO 0x000000101637#define ATTRIBUTE_SECINFO 0x000000201638#define SCOPE_SECINFO 0x000000401639#define BACKUP_SECINFO 0x000100001640#define UNPROTECTED_SACL_SECINFO 0x100000001641#define UNPROTECTED_DACL_SECINFO 0x200000001642#define PROTECTED_SACL_SECINFO 0x400000001643#define PROTECTED_DACL_SECINFO 0x800000001644 1645/* Flags used for FileFullEAinfo */1646#define SL_RESTART_SCAN 0x000000011647#define SL_RETURN_SINGLE_ENTRY 0x000000021648#define SL_INDEX_SPECIFIED 0x000000041649 1650struct smb2_query_info_req {1651 struct smb2_hdr hdr;1652 __le16 StructureSize; /* Must be 41 */1653 __u8 InfoType;1654 __u8 FileInfoClass;1655 __le32 OutputBufferLength;1656 __le16 InputBufferOffset;1657 __u16 Reserved;1658 __le32 InputBufferLength;1659 __le32 AdditionalInformation;1660 __le32 Flags;1661 __u64 PersistentFileId;1662 __u64 VolatileFileId;1663 __u8 Buffer[];1664} __packed;1665 1666struct smb2_query_info_rsp {1667 struct smb2_hdr hdr;1668 __le16 StructureSize; /* Must be 9 */1669 __le16 OutputBufferOffset;1670 __le32 OutputBufferLength;1671 __u8 Buffer[];1672} __packed;1673 1674/*1675 * PDU query infolevel structure definitions1676 */1677 1678/* See MS-FSCC 2.3.52 */1679struct file_allocated_range_buffer {1680 __le64 file_offset;1681 __le64 length;1682} __packed;1683 1684struct smb2_file_internal_info {1685 __le64 IndexNumber;1686} __packed; /* level 6 Query */1687 1688struct smb2_file_rename_info { /* encoding of request for level 10 */1689 __u8 ReplaceIfExists; /* 1 = replace existing target with new */1690 /* 0 = fail if target already exists */1691 __u8 Reserved[7];1692 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */1693 __le32 FileNameLength;1694 char FileName[]; /* New name to be assigned */1695 /* padding - overall struct size must be >= 24 so filename + pad >= 6 */1696} __packed; /* level 10 Set */1697 1698struct smb2_file_link_info { /* encoding of request for level 11 */1699 __u8 ReplaceIfExists; /* 1 = replace existing link with new */1700 /* 0 = fail if link already exists */1701 __u8 Reserved[7];1702 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */1703 __le32 FileNameLength;1704 char FileName[]; /* Name to be assigned to new link */1705} __packed; /* level 11 Set */1706 1707/*1708 * This level 18, although with struct with same name is different from cifs1709 * level 0x107. Level 0x107 has an extra u64 between AccessFlags and1710 * CurrentByteOffset.1711 */1712struct smb2_file_all_info { /* data block encoding of response to level 18 */1713 __le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */1714 __le64 LastAccessTime;1715 __le64 LastWriteTime;1716 __le64 ChangeTime;1717 __le32 Attributes;1718 __u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */1719 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */1720 __le64 EndOfFile; /* size ie offset to first free byte in file */1721 __le32 NumberOfLinks; /* hard links */1722 __u8 DeletePending;1723 __u8 Directory;1724 __u16 Pad2; /* End of FILE_STANDARD_INFO equivalent */1725 __le64 IndexNumber;1726 __le32 EASize;1727 __le32 AccessFlags;1728 __le64 CurrentByteOffset;1729 __le32 Mode;1730 __le32 AlignmentRequirement;1731 __le32 FileNameLength;1732 union {1733 char __pad; /* Legacy structure padding */1734 DECLARE_FLEX_ARRAY(char, FileName);1735 };1736} __packed; /* level 18 Query */1737 1738struct smb2_file_eof_info { /* encoding of request for level 10 */1739 __le64 EndOfFile; /* new end of file value */1740} __packed; /* level 20 Set */1741 1742/* Level 100 query info */1743struct smb311_posix_qinfo {1744 __le64 CreationTime;1745 __le64 LastAccessTime;1746 __le64 LastWriteTime;1747 __le64 ChangeTime;1748 __le64 EndOfFile;1749 __le64 AllocationSize;1750 __le32 DosAttributes;1751 __le64 Inode;1752 __le32 DeviceId;1753 __le32 Zero;1754 /* beginning of POSIX Create Context Response */1755 __le32 HardLinks;1756 __le32 ReparseTag;1757 __le32 Mode;1758 u8 Sids[];1759 /*1760 * var sized owner SID1761 * var sized group SID1762 * le32 filenamelength1763 * u8 filename[]1764 */1765} __packed;1766 1767/* File System Information Classes */1768#define FS_VOLUME_INFORMATION 1 /* Query */1769#define FS_LABEL_INFORMATION 2 /* Set */1770#define FS_SIZE_INFORMATION 3 /* Query */1771#define FS_DEVICE_INFORMATION 4 /* Query */1772#define FS_ATTRIBUTE_INFORMATION 5 /* Query */1773#define FS_CONTROL_INFORMATION 6 /* Query, Set */1774#define FS_FULL_SIZE_INFORMATION 7 /* Query */1775#define FS_OBJECT_ID_INFORMATION 8 /* Query, Set */1776#define FS_DRIVER_PATH_INFORMATION 9 /* Query */1777#define FS_SECTOR_SIZE_INFORMATION 11 /* SMB3 or later. Query */1778#define FS_POSIX_INFORMATION 100 /* SMB3.1.1 POSIX. Query */1779 1780struct smb2_fs_full_size_info {1781 __le64 TotalAllocationUnits;1782 __le64 CallerAvailableAllocationUnits;1783 __le64 ActualAvailableAllocationUnits;1784 __le32 SectorsPerAllocationUnit;1785 __le32 BytesPerSector;1786} __packed;1787 1788#define SSINFO_FLAGS_ALIGNED_DEVICE 0x000000011789#define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x000000021790#define SSINFO_FLAGS_NO_SEEK_PENALTY 0x000000041791#define SSINFO_FLAGS_TRIM_ENABLED 0x000000081792 1793/* sector size info struct */1794struct smb3_fs_ss_info {1795 __le32 LogicalBytesPerSector;1796 __le32 PhysicalBytesPerSectorForAtomicity;1797 __le32 PhysicalBytesPerSectorForPerf;1798 __le32 FSEffPhysicalBytesPerSectorForAtomicity;1799 __le32 Flags;1800 __le32 ByteOffsetForSectorAlignment;1801 __le32 ByteOffsetForPartitionAlignment;1802} __packed;1803 1804/* File System Control Information */1805struct smb2_fs_control_info {1806 __le64 FreeSpaceStartFiltering;1807 __le64 FreeSpaceThreshold;1808 __le64 FreeSpaceStopFiltering;1809 __le64 DefaultQuotaThreshold;1810 __le64 DefaultQuotaLimit;1811 __le32 FileSystemControlFlags;1812 __le32 Padding;1813} __packed;1814 1815/* volume info struct - see MS-FSCC 2.5.9 */1816#define MAX_VOL_LABEL_LEN 321817struct smb3_fs_vol_info {1818 __le64 VolumeCreationTime;1819 __u32 VolumeSerialNumber;1820 __le32 VolumeLabelLength; /* includes trailing null */1821 __u8 SupportsObjects; /* True if eg like NTFS, supports objects */1822 __u8 Reserved;1823 __u8 VolumeLabel[]; /* variable len */1824} __packed;1825 1826/* See MS-SMB2 2.2.23 through 2.2.25 */1827struct smb2_oplock_break {1828 struct smb2_hdr hdr;1829 __le16 StructureSize; /* Must be 24 */1830 __u8 OplockLevel;1831 __u8 Reserved;1832 __le32 Reserved2;1833 __u64 PersistentFid;1834 __u64 VolatileFid;1835} __packed;1836 1837#define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01)1838 1839struct smb2_lease_break {1840 struct smb2_hdr hdr;1841 __le16 StructureSize; /* Must be 44 */1842 __le16 Epoch;1843 __le32 Flags;1844 __u8 LeaseKey[16];1845 __le32 CurrentLeaseState;1846 __le32 NewLeaseState;1847 __le32 BreakReason;1848 __le32 AccessMaskHint;1849 __le32 ShareMaskHint;1850} __packed;1851 1852struct smb2_lease_ack {1853 struct smb2_hdr hdr;1854 __le16 StructureSize; /* Must be 36 */1855 __le16 Reserved;1856 __le32 Flags;1857 __u8 LeaseKey[16];1858 __le32 LeaseState;1859 __le64 LeaseDuration;1860} __packed;1861 1862#define OP_BREAK_STRUCT_SIZE_20 241863#define OP_BREAK_STRUCT_SIZE_21 361864#endif /* _COMMON_SMB2PDU_H */1865