1/* SPDX-License-Identifier: LGPL-2.1 */ 2#ifndef _COMMON_SMB2PDU_H 3#define _COMMON_SMB2PDU_H 4 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. Although 8 * this does not match typical Linux kernel style, it is necessary to be 9 * able to match against the protocol specfication. 10 * 11 * SMB2 commands 12 * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses 13 * (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 0x0000 19#define SMB2_SESSION_SETUP_HE 0x0001 20#define SMB2_LOGOFF_HE 0x0002 /* trivial request/resp */ 21#define SMB2_TREE_CONNECT_HE 0x0003 22#define SMB2_TREE_DISCONNECT_HE 0x0004 /* trivial req/resp */ 23#define SMB2_CREATE_HE 0x0005 24#define SMB2_CLOSE_HE 0x0006 25#define SMB2_FLUSH_HE 0x0007 /* trivial resp */ 26#define SMB2_READ_HE 0x0008 27#define SMB2_WRITE_HE 0x0009 28#define SMB2_LOCK_HE 0x000A 29#define SMB2_IOCTL_HE 0x000B 30#define SMB2_CANCEL_HE 0x000C 31#define SMB2_ECHO_HE 0x000D 32#define SMB2_QUERY_DIRECTORY_HE 0x000E 33#define SMB2_CHANGE_NOTIFY_HE 0x000F 34#define SMB2_QUERY_INFO_HE 0x0010 35#define SMB2_SET_INFO_HE 0x0011 36#define SMB2_OPLOCK_BREAK_HE 0x0012 37 38/* The same list in little endian */ 39#define SMB2_NEGOTIATE cpu_to_le16(SMB2_NEGOTIATE_HE) 40#define SMB2_SESSION_SETUP cpu_to_le16(SMB2_SESSION_SETUP_HE) 41#define SMB2_LOGOFF cpu_to_le16(SMB2_LOGOFF_HE) 42#define SMB2_TREE_CONNECT cpu_to_le16(SMB2_TREE_CONNECT_HE) 43#define SMB2_TREE_DISCONNECT cpu_to_le16(SMB2_TREE_DISCONNECT_HE) 44#define SMB2_CREATE cpu_to_le16(SMB2_CREATE_HE) 45#define SMB2_CLOSE cpu_to_le16(SMB2_CLOSE_HE) 46#define SMB2_FLUSH cpu_to_le16(SMB2_FLUSH_HE) 47#define SMB2_READ cpu_to_le16(SMB2_READ_HE) 48#define SMB2_WRITE cpu_to_le16(SMB2_WRITE_HE) 49#define SMB2_LOCK cpu_to_le16(SMB2_LOCK_HE) 50#define SMB2_IOCTL cpu_to_le16(SMB2_IOCTL_HE) 51#define SMB2_CANCEL cpu_to_le16(SMB2_CANCEL_HE) 52#define SMB2_ECHO cpu_to_le16(SMB2_ECHO_HE) 53#define SMB2_QUERY_DIRECTORY cpu_to_le16(SMB2_QUERY_DIRECTORY_HE) 54#define SMB2_CHANGE_NOTIFY cpu_to_le16(SMB2_CHANGE_NOTIFY_HE) 55#define SMB2_QUERY_INFO cpu_to_le16(SMB2_QUERY_INFO_HE) 56#define SMB2_SET_INFO cpu_to_le16(SMB2_SET_INFO_HE) 57#define SMB2_OPLOCK_BREAK cpu_to_le16(SMB2_OPLOCK_BREAK_HE) 58 59#define SMB2_INTERNAL_CMD cpu_to_le16(0xFFFF) 60 61#define NUMBER_OF_SMB2_COMMANDS 0x0013 62 63/* 64 * Size of the session key (crypto key encrypted with the password 65 */ 66#define SMB2_NTLMV2_SESSKEY_SIZE 16 67#define SMB2_SIGNATURE_SIZE 16 68#define SMB2_HMACSHA256_SIZE 32 69#define SMB2_CMACAES_SIZE 16 70#define SMB3_GCM128_CRYPTKEY_SIZE 16 71#define SMB3_GCM256_CRYPTKEY_SIZE 32 72 73/* 74 * Size of the smb3 encryption/decryption keys 75 * This size is big enough to store any cipher key types. 76 */ 77#define SMB3_ENC_DEC_KEY_SIZE 32 78 79/* 80 * Size of the smb3 signing key 81 */ 82#define SMB3_SIGN_KEY_SIZE 16 83 84#define CIFS_CLIENT_CHALLENGE_SIZE 8 85 86/* Maximum buffer size value we can send with 1 credit */ 87#define SMB2_MAX_BUFFER_SIZE 65536 88 89/* 90 * The default wsize is 1M for SMB2 (and for some CIFS cases). 91 * find_get_pages seems to return a maximum of 256 92 * pages in a single call. With PAGE_SIZE == 4k, this means we can 93 * fill a single wsize request with a single call. 94 */ 95#define SMB3_DEFAULT_IOSIZE (4 * 1024 * 1024) 96 97/* 98 * SMB2 Header Definition 99 * 100 * "MBZ" : Must be Zero 101 * "BB" : BugBug, Something to check/review/analyze later 102 * "PDU" : "Protocol Data Unit" (ie a network "frame") 103 * 104 */ 105 106#define __SMB2_HEADER_STRUCTURE_SIZE 64 107#define SMB2_HEADER_STRUCTURE_SIZE \ 108 cpu_to_le16(__SMB2_HEADER_STRUCTURE_SIZE) 109 110#define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe) 111#define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd) 112#define SMB2_COMPRESSION_TRANSFORM_ID cpu_to_le32(0x424d53fc) 113 114/* 115 * SMB2 flag definitions 116 */ 117#define SMB2_FLAGS_SERVER_TO_REDIR cpu_to_le32(0x00000001) 118#define SMB2_FLAGS_ASYNC_COMMAND cpu_to_le32(0x00000002) 119#define SMB2_FLAGS_RELATED_OPERATIONS cpu_to_le32(0x00000004) 120#define SMB2_FLAGS_SIGNED cpu_to_le32(0x00000008) 121#define SMB2_FLAGS_PRIORITY_MASK cpu_to_le32(0x00000070) /* SMB3.1.1 */ 122#define SMB2_FLAGS_DFS_OPERATIONS cpu_to_le32(0x10000000) 123#define SMB2_FLAGS_REPLAY_OPERATION cpu_to_le32(0x20000000) /* SMB3 & up */ 124 125/* 126 * Definitions for SMB2 Protocol Data Units (network frames) 127 * 128 * See MS-SMB2.PDF specification for protocol details. 129 * The Naming convention is the lower case version of the SMB2 130 * command code name for the struct. Note that structures must be packed. 131 * 132 */ 133 134/* See MS-SMB2 section 2.2.1 */ 135struct smb2_hdr { 136 __le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */ 137 __le16 StructureSize; /* 64 */ 138 __le16 CreditCharge; /* MBZ */ 139 __le32 Status; /* Error from server */ 140 __le16 Command; 141 __le16 CreditRequest; /* CreditResponse */ 142 __le32 Flags; 143 __le32 NextCommand; 144 __le64 MessageId; 145 union { 146 struct { 147 __le32 ProcessId; 148 __le32 TreeId; 149 } __packed SyncId; 150 __le64 AsyncId; 151 } __packed Id; 152 __le64 SessionId; 153 __u8 Signature[16]; 154} __packed; 155 156struct smb3_hdr_req { 157 __le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */ 158 __le16 StructureSize; /* 64 */ 159 __le16 CreditCharge; /* MBZ */ 160 __le16 ChannelSequence; /* See MS-SMB2 3.2.4.1 and 3.2.7.1 */ 161 __le16 Reserved; 162 __le16 Command; 163 __le16 CreditRequest; /* CreditResponse */ 164 __le32 Flags; 165 __le32 NextCommand; 166 __le64 MessageId; 167 union { 168 struct { 169 __le32 ProcessId; 170 __le32 TreeId; 171 } __packed SyncId; 172 __le64 AsyncId; 173 } __packed Id; 174 __le64 SessionId; 175 __u8 Signature[16]; 176} __packed; 177 178struct smb2_pdu { 179 struct smb2_hdr hdr; 180 __le16 StructureSize2; /* size of wct area (varies, request specific) */ 181} __packed; 182 183#define SMB2_ERROR_STRUCTURE_SIZE2 9 184#define SMB2_ERROR_STRUCTURE_SIZE2_LE cpu_to_le16(SMB2_ERROR_STRUCTURE_SIZE2) 185 186struct smb2_err_rsp { 187 struct smb2_hdr hdr; 188 __le16 StructureSize; 189 __u8 ErrorContextCount; 190 __u8 Reserved; 191 __le32 ByteCount; /* even if zero, at least one byte follows */ 192 __u8 ErrorData[]; /* variable length */ 193} __packed; 194 195#define SMB3_AES_CCM_NONCE 11 196#define SMB3_AES_GCM_NONCE 12 197 198/* Transform flags (for 3.0 dialect this flag indicates CCM */ 199#define TRANSFORM_FLAG_ENCRYPTED 0x0001 200struct smb2_transform_hdr { 201 __le32 ProtocolId; /* 0xFD 'S' 'M' 'B' */ 202 __u8 Signature[16]; 203 __u8 Nonce[16]; 204 __le32 OriginalMessageSize; 205 __u16 Reserved1; 206 __le16 Flags; /* EncryptionAlgorithm for 3.0, enc enabled for 3.1.1 */ 207 __le64 SessionId; 208} __packed; 209 210 211/* See MS-SMB2 2.2.42 */ 212struct smb2_compression_transform_hdr_unchained { 213 __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */ 214 __le32 OriginalCompressedSegmentSize; 215 __le16 CompressionAlgorithm; 216 __le16 Flags; 217 __le16 Length; /* if chained it is length, else offset */ 218} __packed; 219 220/* See MS-SMB2 2.2.42.1 */ 221#define SMB2_COMPRESSION_FLAG_NONE 0x0000 222#define SMB2_COMPRESSION_FLAG_CHAINED 0x0001 223 224struct compression_payload_header { 225 __le16 CompressionAlgorithm; 226 __le16 Flags; 227 __le32 Length; /* length of compressed playload including field below if present */ 228 /* __le32 OriginalPayloadSize; */ /* optional, present when LZNT1, LZ77, LZ77+Huffman */ 229} __packed; 230 231/* See MS-SMB2 2.2.42.2 */ 232struct smb2_compression_transform_hdr_chained { 233 __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */ 234 __le32 OriginalCompressedSegmentSize; 235 /* struct compression_payload_header[] */ 236} __packed; 237 238/* See MS-SMB2 2.2.42.2.2 */ 239struct compression_pattern_payload_v1 { 240 __le16 Pattern; 241 __le16 Reserved1; 242 __le16 Reserved2; 243 __le32 Repetitions; 244} __packed; 245 246/* See MS-SMB2 section 2.2.9.2 */ 247/* Context Types */ 248#define SMB2_RESERVED_TREE_CONNECT_CONTEXT_ID 0x0000 249#define SMB2_REMOTED_IDENTITY_TREE_CONNECT_CONTEXT_ID cpu_to_le16(0x0001) 250 251struct tree_connect_contexts { 252 __le16 ContextType; 253 __le16 DataLength; 254 __le32 Reserved; 255 __u8 Data[]; 256} __packed; 257 258/* Remoted identity tree connect context structures - see MS-SMB2 2.2.9.2.1 */ 259struct smb3_blob_data { 260 __le16 BlobSize; 261 __u8 BlobData[]; 262} __packed; 263 264/* Valid values for Attr */ 265#define SE_GROUP_MANDATORY 0x00000001 266#define SE_GROUP_ENABLED_BY_DEFAULT 0x00000002 267#define SE_GROUP_ENABLED 0x00000004 268#define SE_GROUP_OWNER 0x00000008 269#define SE_GROUP_USE_FOR_DENY_ONLY 0x00000010 270#define SE_GROUP_INTEGRITY 0x00000020 271#define SE_GROUP_INTEGRITY_ENABLED 0x00000040 272#define SE_GROUP_RESOURCE 0x20000000 273#define SE_GROUP_LOGON_ID 0xC0000000 274 275/* struct sid_attr_data is SidData array in BlobData format then le32 Attr */ 276 277struct sid_array_data { 278 __le16 SidAttrCount; 279 /* SidAttrList - array of sid_attr_data structs */ 280} __packed; 281 282struct luid_attr_data { 283 284} __packed; 285 286/* 287 * struct privilege_data is the same as BLOB_DATA - see MS-SMB2 2.2.9.2.1.5 288 * but with size of LUID_ATTR_DATA struct and BlobData set to LUID_ATTR DATA 289 */ 290 291struct privilege_array_data { 292 __le16 PrivilegeCount; 293 /* array of privilege_data structs */ 294} __packed; 295 296struct remoted_identity_tcon_context { 297 __le16 TicketType; /* must be 0x0001 */ 298 __le16 TicketSize; /* total size of this struct */ 299 __le16 User; /* offset to SID_ATTR_DATA struct with user info */ 300 __le16 UserName; /* offset to null terminated Unicode username string */ 301 __le16 Domain; /* offset to null terminated Unicode domain name */ 302 __le16 Groups; /* offset to SID_ARRAY_DATA struct with group info */ 303 __le16 RestrictedGroups; /* similar to above */ 304 __le16 Privileges; /* offset to PRIVILEGE_ARRAY_DATA struct */ 305 __le16 PrimaryGroup; /* offset to SID_ARRAY_DATA struct */ 306 __le16 Owner; /* offset to BLOB_DATA struct */ 307 __le16 DefaultDacl; /* offset to BLOB_DATA struct */ 308 __le16 DeviceGroups; /* offset to SID_ARRAY_DATA struct */ 309 __le16 UserClaims; /* offset to BLOB_DATA struct */ 310 __le16 DeviceClaims; /* offset to BLOB_DATA struct */ 311 __u8 TicketInfo[]; /* variable length buf - remoted identity data */ 312} __packed; 313 314struct smb2_tree_connect_req_extension { 315 __le32 TreeConnectContextOffset; 316 __le16 TreeConnectContextCount; 317 __u8 Reserved[10]; 318 __u8 PathName[]; /* variable sized array */ 319 /* followed by array of TreeConnectContexts */ 320} __packed; 321 322/* Flags/Reserved for SMB3.1.1 */ 323#define SMB2_TREE_CONNECT_FLAG_CLUSTER_RECONNECT cpu_to_le16(0x0001) 324#define SMB2_TREE_CONNECT_FLAG_REDIRECT_TO_OWNER cpu_to_le16(0x0002) 325#define SMB2_TREE_CONNECT_FLAG_EXTENSION_PRESENT cpu_to_le16(0x0004) 326 327struct smb2_tree_connect_req { 328 struct smb2_hdr hdr; 329 __le16 StructureSize; /* Must be 9 */ 330 __le16 Flags; /* Flags in SMB3.1.1 */ 331 __le16 PathOffset; 332 __le16 PathLength; 333 __u8 Buffer[]; /* variable length */ 334} __packed; 335 336/* Possible ShareType values */ 337#define SMB2_SHARE_TYPE_DISK 0x01 338#define SMB2_SHARE_TYPE_PIPE 0x02 339#define SMB2_SHARE_TYPE_PRINT 0x03 340 341/* 342 * Possible ShareFlags - exactly one and only one of the first 4 caching flags 343 * must be set (any of the remaining, SHI1005, flags may be set individually 344 * or in combination. 345 */ 346#define SMB2_SHAREFLAG_MANUAL_CACHING 0x00000000 347#define SMB2_SHAREFLAG_AUTO_CACHING 0x00000010 348#define SMB2_SHAREFLAG_VDO_CACHING 0x00000020 349#define SMB2_SHAREFLAG_NO_CACHING 0x00000030 350#define SHI1005_FLAGS_DFS 0x00000001 351#define SHI1005_FLAGS_DFS_ROOT 0x00000002 352#define SMB2_SHAREFLAG_RESTRICT_EXCLUSIVE_OPENS 0x00000100 353#define SMB2_SHAREFLAG_FORCE_SHARED_DELETE 0x00000200 354#define SMB2_SHAREFLAG_ALLOW_NAMESPACE_CACHING 0x00000400 355#define SMB2_SHAREFLAG_ACCESS_BASED_DIRECTORY_ENUM 0x00000800 356#define SMB2_SHAREFLAG_FORCE_LEVELII_OPLOCK 0x00001000 357#define SMB2_SHAREFLAG_ENABLE_HASH_V1 0x00002000 358#define SMB2_SHAREFLAG_ENABLE_HASH_V2 0x00004000 359#define SHI1005_FLAGS_ENCRYPT_DATA 0x00008000 360#define SMB2_SHAREFLAG_IDENTITY_REMOTING 0x00040000 /* 3.1.1 */ 361#define SMB2_SHAREFLAG_COMPRESS_DATA 0x00100000 /* 3.1.1 */ 362#define SMB2_SHAREFLAG_ISOLATED_TRANSPORT 0x00200000 363#define SHI1005_FLAGS_ALL 0x0034FF33 364 365/* Possible share capabilities */ 366#define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) /* all dialects */ 367#define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */ 368#define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */ 369#define SMB2_SHARE_CAP_CLUSTER cpu_to_le32(0x00000040) /* 3.0 */ 370#define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */ 371#define SMB2_SHARE_CAP_REDIRECT_TO_OWNER cpu_to_le32(0x00000100) /* 3.1.1 */ 372 373struct smb2_tree_connect_rsp { 374 struct smb2_hdr hdr; 375 __le16 StructureSize; /* Must be 16 */ 376 __u8 ShareType; /* see below */ 377 __u8 Reserved; 378 __le32 ShareFlags; /* see below */ 379 __le32 Capabilities; /* see below */ 380 __le32 MaximalAccess; 381} __packed; 382 383struct smb2_tree_disconnect_req { 384 struct smb2_hdr hdr; 385 __le16 StructureSize; /* Must be 4 */ 386 __le16 Reserved; 387} __packed; 388 389struct smb2_tree_disconnect_rsp { 390 struct smb2_hdr hdr; 391 __le16 StructureSize; /* Must be 4 */ 392 __le16 Reserved; 393} __packed; 394 395 396/* 397 * SMB2_NEGOTIATE_PROTOCOL See MS-SMB2 section 2.2.3 398 */ 399/* SecurityMode flags */ 400#define SMB2_NEGOTIATE_SIGNING_ENABLED 0x0001 401#define SMB2_NEGOTIATE_SIGNING_ENABLED_LE cpu_to_le16(0x0001) 402#define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002 403#define SMB2_NEGOTIATE_SIGNING_REQUIRED_LE cpu_to_le16(0x0002) 404#define SMB2_SEC_MODE_FLAGS_ALL 0x0003 405 406/* Capabilities flags */ 407#define SMB2_GLOBAL_CAP_DFS 0x00000001 408#define SMB2_GLOBAL_CAP_LEASING 0x00000002 /* Resp only New to SMB2.1 */ 409#define SMB2_GLOBAL_CAP_LARGE_MTU 0x00000004 /* Resp only New to SMB2.1 */ 410#define SMB2_GLOBAL_CAP_MULTI_CHANNEL 0x00000008 /* New to SMB3 */ 411#define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */ 412#define SMB2_GLOBAL_CAP_DIRECTORY_LEASING 0x00000020 /* New to SMB3 */ 413#define SMB2_GLOBAL_CAP_ENCRYPTION 0x00000040 /* New to SMB3 */ 414/* Internal types */ 415#define SMB2_NT_FIND 0x00100000 416#define SMB2_LARGE_FILES 0x00200000 417 418#define SMB2_CLIENT_GUID_SIZE 16 419#define SMB2_CREATE_GUID_SIZE 16 420 421/* Dialects */ 422#define SMB10_PROT_ID 0x0000 /* local only, not sent on wire w/CIFS negprot */ 423#define SMB20_PROT_ID 0x0202 424#define SMB21_PROT_ID 0x0210 425#define SMB2X_PROT_ID 0x02FF 426#define SMB30_PROT_ID 0x0300 427#define SMB302_PROT_ID 0x0302 428#define SMB311_PROT_ID 0x0311 429#define BAD_PROT_ID 0xFFFF 430 431#define SMB311_SALT_SIZE 32 432/* Hash Algorithm Types */ 433#define SMB2_PREAUTH_INTEGRITY_SHA512 cpu_to_le16(0x0001) 434#define SMB2_PREAUTH_HASH_SIZE 64 435 436/* Negotiate Contexts - ContextTypes. See MS-SMB2 section 2.2.3.1 for details */ 437#define SMB2_PREAUTH_INTEGRITY_CAPABILITIES cpu_to_le16(1) 438#define SMB2_ENCRYPTION_CAPABILITIES cpu_to_le16(2) 439#define SMB2_COMPRESSION_CAPABILITIES cpu_to_le16(3) 440#define SMB2_NETNAME_NEGOTIATE_CONTEXT_ID cpu_to_le16(5) 441#define SMB2_TRANSPORT_CAPABILITIES cpu_to_le16(6) 442#define SMB2_RDMA_TRANSFORM_CAPABILITIES cpu_to_le16(7) 443#define SMB2_SIGNING_CAPABILITIES cpu_to_le16(8) 444#define SMB2_POSIX_EXTENSIONS_AVAILABLE cpu_to_le16(0x100) 445 446struct smb2_neg_context { 447 __le16 ContextType; 448 __le16 DataLength; 449 __le32 Reserved; 450 /* Followed by array of data. NOTE: some servers require padding to 8 byte boundary */ 451} __packed; 452 453/* 454 * SaltLength that the server send can be zero, so the only three required 455 * fields (all __le16) end up six bytes total, so the minimum context data len 456 * in the response is six bytes which accounts for 457 * 458 * HashAlgorithmCount, SaltLength, and 1 HashAlgorithm. 459 */ 460#define MIN_PREAUTH_CTXT_DATA_LEN 6 461 462struct smb2_preauth_neg_context { 463 __le16 ContextType; /* 1 */ 464 __le16 DataLength; 465 __le32 Reserved; 466 __le16 HashAlgorithmCount; /* 1 */ 467 __le16 SaltLength; 468 __le16 HashAlgorithms; /* HashAlgorithms[0] since only one defined */ 469 __u8 Salt[SMB311_SALT_SIZE]; 470} __packed; 471 472/* Encryption Algorithms Ciphers */ 473#define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001) 474#define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002) 475#define SMB2_ENCRYPTION_AES256_CCM cpu_to_le16(0x0003) 476#define SMB2_ENCRYPTION_AES256_GCM cpu_to_le16(0x0004) 477 478/* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */ 479#define MIN_ENCRYPT_CTXT_DATA_LEN 4 480struct smb2_encryption_neg_context { 481 __le16 ContextType; /* 2 */ 482 __le16 DataLength; 483 __le32 Reserved; 484 /* CipherCount usally 2, but can be 3 when AES256-GCM enabled */ 485 __le16 CipherCount; /* AES128-GCM and AES128-CCM by default */ 486 __le16 Ciphers[]; 487} __packed; 488 489/* See MS-SMB2 2.2.3.1.3 */ 490#define SMB3_COMPRESS_NONE cpu_to_le16(0x0000) 491#define SMB3_COMPRESS_LZNT1 cpu_to_le16(0x0001) 492#define SMB3_COMPRESS_LZ77 cpu_to_le16(0x0002) 493#define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003) 494/* Pattern scanning algorithm See MS-SMB2 3.1.4.4.1 */ 495#define SMB3_COMPRESS_PATTERN cpu_to_le16(0x0004) /* Pattern_V1 */ 496 497/* Compression Flags */ 498#define SMB2_COMPRESSION_CAPABILITIES_FLAG_NONE cpu_to_le32(0x00000000) 499#define SMB2_COMPRESSION_CAPABILITIES_FLAG_CHAINED cpu_to_le32(0x00000001) 500 501struct smb2_compression_capabilities_context { 502 __le16 ContextType; /* 3 */ 503 __le16 DataLength; 504 __le32 Reserved; 505 __le16 CompressionAlgorithmCount; 506 __le16 Padding; 507 __le32 Flags; 508 __le16 CompressionAlgorithms[3]; 509 __u16 Pad; /* Some servers require pad to DataLen multiple of 8 */ 510 /* Check if pad needed */ 511} __packed; 512 513/* 514 * For smb2_netname_negotiate_context_id See MS-SMB2 2.2.3.1.4. 515 * Its struct simply contains NetName, an array of Unicode characters 516 */ 517struct smb2_netname_neg_context { 518 __le16 ContextType; /* 5 */ 519 __le16 DataLength; 520 __le32 Reserved; 521 __le16 NetName[]; /* hostname of target converted to UCS-2 */ 522} __packed; 523 524/* 525 * For smb2_transport_capabilities context see MS-SMB2 2.2.3.1.5 526 * and 2.2.4.1.5 527 */ 528 529/* Flags */ 530#define SMB2_ACCEPT_TRANSPORT_LEVEL_SECURITY 0x00000001 531 532struct smb2_transport_capabilities_context { 533 __le16 ContextType; /* 6 */ 534 __le16 DataLength; 535 __u32 Reserved; 536 __le32 Flags; 537 __u32 Pad; 538} __packed; 539 540/* 541 * For rdma transform capabilities context see MS-SMB2 2.2.3.1.6 542 * and 2.2.4.1.6 543 */ 544 545/* RDMA Transform IDs */ 546#define SMB2_RDMA_TRANSFORM_NONE 0x0000 547#define SMB2_RDMA_TRANSFORM_ENCRYPTION 0x0001 548#define SMB2_RDMA_TRANSFORM_SIGNING 0x0002 549 550struct smb2_rdma_transform_capabilities_context { 551 __le16 ContextType; /* 7 */ 552 __le16 DataLength; 553 __u32 Reserved; 554 __le16 TransformCount; 555 __u16 Reserved1; 556 __u32 Reserved2; 557 __le16 RDMATransformIds[]; 558} __packed; 559 560/* 561 * For signing capabilities context see MS-SMB2 2.2.3.1.7 562 * and 2.2.4.1.7 563 */ 564 565/* Signing algorithms */ 566#define SIGNING_ALG_HMAC_SHA256 0 567#define SIGNING_ALG_HMAC_SHA256_LE cpu_to_le16(0) 568#define SIGNING_ALG_AES_CMAC 1 569#define SIGNING_ALG_AES_CMAC_LE cpu_to_le16(1) 570#define SIGNING_ALG_AES_GMAC 2 571#define SIGNING_ALG_AES_GMAC_LE cpu_to_le16(2) 572 573struct smb2_signing_capabilities { 574 __le16 ContextType; /* 8 */ 575 __le16 DataLength; 576 __le32 Reserved; 577 __le16 SigningAlgorithmCount; 578 __le16 SigningAlgorithms[]; 579 /* Followed by padding to 8 byte boundary (required by some servers) */ 580} __packed; 581 582#define POSIX_CTXT_DATA_LEN 16 583struct smb2_posix_neg_context { 584 __le16 ContextType; /* 0x100 */ 585 __le16 DataLength; 586 __le32 Reserved; 587 __u8 Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */ 588} __packed; 589 590struct smb2_negotiate_req { 591 struct smb2_hdr hdr; 592 __le16 StructureSize; /* Must be 36 */ 593 __le16 DialectCount; 594 __le16 SecurityMode; 595 __le16 Reserved; /* MBZ */ 596 __le32 Capabilities; 597 __u8 ClientGUID[SMB2_CLIENT_GUID_SIZE]; 598 /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */ 599 __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */ 600 __le16 NegotiateContextCount; /* SMB3.1.1 only. MBZ earlier */ 601 __le16 Reserved2; 602 __le16 Dialects[]; 603} __packed; 604 605struct smb2_negotiate_rsp { 606 struct smb2_hdr hdr; 607 __le16 StructureSize; /* Must be 65 */ 608 __le16 SecurityMode; 609 __le16 DialectRevision; 610 __le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */ 611 __u8 ServerGUID[16]; 612 __le32 Capabilities; 613 __le32 MaxTransactSize; 614 __le32 MaxReadSize; 615 __le32 MaxWriteSize; 616 __le64 SystemTime; /* MBZ */ 617 __le64 ServerStartTime; 618 __le16 SecurityBufferOffset; 619 __le16 SecurityBufferLength; 620 __le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */ 621 __u8 Buffer[]; /* variable length GSS security buffer */ 622} __packed; 623 624 625/* 626 * SMB2_SESSION_SETUP See MS-SMB2 section 2.2.5 627 */ 628/* Flags */ 629#define SMB2_SESSION_REQ_FLAG_BINDING 0x01 630#define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04 631 632struct smb2_sess_setup_req { 633 struct smb2_hdr hdr; 634 __le16 StructureSize; /* Must be 25 */ 635 __u8 Flags; 636 __u8 SecurityMode; 637 __le32 Capabilities; 638 __le32 Channel; 639 __le16 SecurityBufferOffset; 640 __le16 SecurityBufferLength; 641 __le64 PreviousSessionId; 642 __u8 Buffer[]; /* variable length GSS security buffer */ 643} __packed; 644 645/* Currently defined SessionFlags */ 646#define SMB2_SESSION_FLAG_IS_GUEST 0x0001 647#define SMB2_SESSION_FLAG_IS_GUEST_LE cpu_to_le16(0x0001) 648#define SMB2_SESSION_FLAG_IS_NULL 0x0002 649#define SMB2_SESSION_FLAG_IS_NULL_LE cpu_to_le16(0x0002) 650#define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004 651#define SMB2_SESSION_FLAG_ENCRYPT_DATA_LE cpu_to_le16(0x0004) 652 653struct smb2_sess_setup_rsp { 654 struct smb2_hdr hdr; 655 __le16 StructureSize; /* Must be 9 */ 656 __le16 SessionFlags; 657 __le16 SecurityBufferOffset; 658 __le16 SecurityBufferLength; 659 __u8 Buffer[]; /* variable length GSS security buffer */ 660} __packed; 661 662 663/* 664 * SMB2_LOGOFF See MS-SMB2 section 2.2.7 665 */ 666struct smb2_logoff_req { 667 struct smb2_hdr hdr; 668 __le16 StructureSize; /* Must be 4 */ 669 __le16 Reserved; 670} __packed; 671 672struct smb2_logoff_rsp { 673 struct smb2_hdr hdr; 674 __le16 StructureSize; /* Must be 4 */ 675 __le16 Reserved; 676} __packed; 677 678 679/* 680 * SMB2_CLOSE See MS-SMB2 section 2.2.15 681 */ 682/* Currently defined values for close flags */ 683#define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001) 684struct smb2_close_req { 685 struct smb2_hdr hdr; 686 __le16 StructureSize; /* Must be 24 */ 687 __le16 Flags; 688 __le32 Reserved; 689 __u64 PersistentFileId; /* opaque endianness */ 690 __u64 VolatileFileId; /* opaque endianness */ 691} __packed; 692 693/* 694 * Maximum size of a SMB2_CLOSE response is 64 (smb2 header) + 60 (data) 695 */ 696#define MAX_SMB2_CLOSE_RESPONSE_SIZE 124 697 698struct smb2_close_rsp { 699 struct smb2_hdr hdr; 700 __le16 StructureSize; /* 60 */ 701 __le16 Flags; 702 __le32 Reserved; 703 struct_group(network_open_info, 704 __le64 CreationTime; 705 __le64 LastAccessTime; 706 __le64 LastWriteTime; 707 __le64 ChangeTime; 708 /* Beginning of FILE_STANDARD_INFO equivalent */ 709 __le64 AllocationSize; 710 __le64 EndOfFile; 711 __le32 Attributes; 712 ); 713} __packed; 714 715 716/* 717 * SMB2_READ See MS-SMB2 section 2.2.19 718 */ 719/* For read request Flags field below, following flag is defined for SMB3.02 */ 720#define SMB2_READFLAG_READ_UNBUFFERED 0x01 721#define SMB2_READFLAG_REQUEST_COMPRESSED 0x02 /* See MS-SMB2 2.2.19 */ 722 723/* Channel field for read and write: exactly one of following flags can be set*/ 724#define SMB2_CHANNEL_NONE cpu_to_le32(0x00000000) 725#define SMB2_CHANNEL_RDMA_V1 cpu_to_le32(0x00000001) 726#define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) 727#define SMB2_CHANNEL_RDMA_TRANSFORM cpu_to_le32(0x00000003) 728 729/* SMB2 read request without RFC1001 length at the beginning */ 730struct smb2_read_req { 731 struct smb2_hdr hdr; 732 __le16 StructureSize; /* Must be 49 */ 733 __u8 Padding; /* offset from start of SMB2 header to place read */ 734 __u8 Flags; /* MBZ unless SMB3.02 or later */ 735 __le32 Length; 736 __le64 Offset; 737 __u64 PersistentFileId; 738 __u64 VolatileFileId; 739 __le32 MinimumCount; 740 __le32 Channel; /* MBZ except for SMB3 or later */ 741 __le32 RemainingBytes; 742 __le16 ReadChannelInfoOffset; 743 __le16 ReadChannelInfoLength; 744 __u8 Buffer[]; 745} __packed; 746 747/* Read flags */ 748#define SMB2_READFLAG_RESPONSE_NONE cpu_to_le32(0x00000000) 749#define SMB2_READFLAG_RESPONSE_RDMA_TRANSFORM cpu_to_le32(0x00000001) 750 751struct smb2_read_rsp { 752 struct smb2_hdr hdr; 753 __le16 StructureSize; /* Must be 17 */ 754 __u8 DataOffset; 755 __u8 Reserved; 756 __le32 DataLength; 757 __le32 DataRemaining; 758 __le32 Flags; 759 __u8 Buffer[]; 760} __packed; 761 762 763/* 764 * SMB2_WRITE See MS-SMB2 section 2.2.21 765 */ 766/* For write request Flags field below the following flags are defined: */ 767#define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 /* SMB2.1 or later */ 768#define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002 /* SMB3.02 or later */ 769 770struct smb2_write_req { 771 struct smb2_hdr hdr; 772 __le16 StructureSize; /* Must be 49 */ 773 __le16 DataOffset; /* offset from start of SMB2 header to write data */ 774 __le32 Length; 775 __le64 Offset; 776 __u64 PersistentFileId; /* opaque endianness */ 777 __u64 VolatileFileId; /* opaque endianness */ 778 __le32 Channel; /* MBZ unless SMB3.02 or later */ 779 __le32 RemainingBytes; 780 __le16 WriteChannelInfoOffset; 781 __le16 WriteChannelInfoLength; 782 __le32 Flags; 783 __u8 Buffer[]; 784} __packed; 785 786struct smb2_write_rsp { 787 struct smb2_hdr hdr; 788 __le16 StructureSize; /* Must be 17 */ 789 __u8 DataOffset; 790 __u8 Reserved; 791 __le32 DataLength; 792 __le32 DataRemaining; 793 __u32 Reserved2; 794 __u8 Buffer[]; 795} __packed; 796 797 798/* 799 * SMB2_FLUSH See MS-SMB2 section 2.2.17 800 */ 801struct smb2_flush_req { 802 struct smb2_hdr hdr; 803 __le16 StructureSize; /* Must be 24 */ 804 __le16 Reserved1; 805 __le32 Reserved2; 806 __u64 PersistentFileId; 807 __u64 VolatileFileId; 808} __packed; 809 810struct smb2_flush_rsp { 811 struct smb2_hdr hdr; 812 __le16 StructureSize; 813 __le16 Reserved; 814} __packed; 815 816#define SMB2_LOCKFLAG_SHARED 0x0001 817#define SMB2_LOCKFLAG_EXCLUSIVE 0x0002 818#define SMB2_LOCKFLAG_UNLOCK 0x0004 819#define SMB2_LOCKFLAG_FAIL_IMMEDIATELY 0x0010 820#define SMB2_LOCKFLAG_MASK 0x0007 821 822struct smb2_lock_element { 823 __le64 Offset; 824 __le64 Length; 825 __le32 Flags; 826 __le32 Reserved; 827} __packed; 828 829struct smb2_lock_req { 830 struct smb2_hdr hdr; 831 __le16 StructureSize; /* Must be 48 */ 832 __le16 LockCount; 833 /* 834 * The least significant four bits are the index, the other 28 bits are 835 * the lock sequence number (0 to 64). See MS-SMB2 2.2.26 836 */ 837 __le32 LockSequenceNumber; 838 __u64 PersistentFileId; 839 __u64 VolatileFileId; 840 /* Followed by at least one */ 841 union { 842 struct smb2_lock_element lock; 843 DECLARE_FLEX_ARRAY(struct smb2_lock_element, locks); 844 }; 845} __packed; 846 847struct smb2_lock_rsp { 848 struct smb2_hdr hdr; 849 __le16 StructureSize; /* Must be 4 */ 850 __le16 Reserved; 851} __packed; 852 853struct smb2_echo_req { 854 struct smb2_hdr hdr; 855 __le16 StructureSize; /* Must be 4 */ 856 __u16 Reserved; 857} __packed; 858 859struct smb2_echo_rsp { 860 struct smb2_hdr hdr; 861 __le16 StructureSize; /* Must be 4 */ 862 __u16 Reserved; 863} __packed; 864 865/* 866 * Valid FileInformation classes for query directory 867 * 868 * Note that these are a subset of the (file) QUERY_INFO levels defined 869 * later in this file (but since QUERY_DIRECTORY uses equivalent numbers 870 * we do not redefine them here) 871 * 872 * FileDirectoryInfomation 0x01 873 * FileFullDirectoryInformation 0x02 874 * FileIdFullDirectoryInformation 0x26 875 * FileBothDirectoryInformation 0x03 876 * FileIdBothDirectoryInformation 0x25 877 * FileNamesInformation 0x0C 878 * FileIdExtdDirectoryInformation 0x3C 879 */ 880 881/* search (query_directory) Flags field */ 882#define SMB2_RESTART_SCANS 0x01 883#define SMB2_RETURN_SINGLE_ENTRY 0x02 884#define SMB2_INDEX_SPECIFIED 0x04 885#define SMB2_REOPEN 0x10 886 887struct smb2_query_directory_req { 888 struct smb2_hdr hdr; 889 __le16 StructureSize; /* Must be 33 */ 890 __u8 FileInformationClass; 891 __u8 Flags; 892 __le32 FileIndex; 893 __u64 PersistentFileId; 894 __u64 VolatileFileId; 895 __le16 FileNameOffset; 896 __le16 FileNameLength; 897 __le32 OutputBufferLength; 898 __u8 Buffer[]; 899} __packed; 900 901struct smb2_query_directory_rsp { 902 struct smb2_hdr hdr; 903 __le16 StructureSize; /* Must be 9 */ 904 __le16 OutputBufferOffset; 905 __le32 OutputBufferLength; 906 __u8 Buffer[]; 907} __packed; 908 909/* 910 * Maximum number of iovs we need for a set-info request. 911 * The largest one is rename/hardlink 912 * [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info 913 * [1] : path 914 * [2] : compound padding 915 */ 916#define SMB2_SET_INFO_IOV_SIZE 3 917 918struct smb2_set_info_req { 919 struct smb2_hdr hdr; 920 __le16 StructureSize; /* Must be 33 */ 921 __u8 InfoType; 922 __u8 FileInfoClass; 923 __le32 BufferLength; 924 __le16 BufferOffset; 925 __u16 Reserved; 926 __le32 AdditionalInformation; 927 __u64 PersistentFileId; 928 __u64 VolatileFileId; 929 __u8 Buffer[]; 930} __packed; 931 932struct smb2_set_info_rsp { 933 struct smb2_hdr hdr; 934 __le16 StructureSize; /* Must be 2 */ 935} __packed; 936 937/* 938 * SMB2_NOTIFY See MS-SMB2 section 2.2.35 939 */ 940/* notify flags */ 941#define SMB2_WATCH_TREE 0x0001 942 943/* notify completion filter flags. See MS-FSCC 2.6 and MS-SMB2 2.2.35 */ 944#define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001 945#define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002 946#define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004 947#define FILE_NOTIFY_CHANGE_SIZE 0x00000008 948#define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010 949#define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020 950#define FILE_NOTIFY_CHANGE_CREATION 0x00000040 951#define FILE_NOTIFY_CHANGE_EA 0x00000080 952#define FILE_NOTIFY_CHANGE_SECURITY 0x00000100 953#define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200 954#define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400 955#define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800 956 957/* SMB2 Notify Action Flags */ 958#define FILE_ACTION_ADDED 0x00000001 959#define FILE_ACTION_REMOVED 0x00000002 960#define FILE_ACTION_MODIFIED 0x00000003 961#define FILE_ACTION_RENAMED_OLD_NAME 0x00000004 962#define FILE_ACTION_RENAMED_NEW_NAME 0x00000005 963#define FILE_ACTION_ADDED_STREAM 0x00000006 964#define FILE_ACTION_REMOVED_STREAM 0x00000007 965#define FILE_ACTION_MODIFIED_STREAM 0x00000008 966#define FILE_ACTION_REMOVED_BY_DELETE 0x00000009 967 968struct smb2_change_notify_req { 969 struct smb2_hdr hdr; 970 __le16 StructureSize; 971 __le16 Flags; 972 __le32 OutputBufferLength; 973 __u64 PersistentFileId; /* opaque endianness */ 974 __u64 VolatileFileId; /* opaque endianness */ 975 __le32 CompletionFilter; 976 __u32 Reserved; 977} __packed; 978 979struct smb2_change_notify_rsp { 980 struct smb2_hdr hdr; 981 __le16 StructureSize; /* Must be 9 */ 982 __le16 OutputBufferOffset; 983 __le32 OutputBufferLength; 984 __u8 Buffer[]; /* array of file notify structs */ 985} __packed; 986 987 988/* 989 * SMB2_CREATE See MS-SMB2 section 2.2.13 990 */ 991/* Oplock levels */ 992#define SMB2_OPLOCK_LEVEL_NONE 0x00 993#define SMB2_OPLOCK_LEVEL_II 0x01 994#define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08 995#define SMB2_OPLOCK_LEVEL_BATCH 0x09 996#define SMB2_OPLOCK_LEVEL_LEASE 0xFF 997/* Non-spec internal type */ 998#define SMB2_OPLOCK_LEVEL_NOCHANGE 0x99 999 1000/* Impersonation Levels. See MS-WPO section 9.7 and MSDN-IMPERS */ 1001#define IL_ANONYMOUS cpu_to_le32(0x00000000) 1002#define IL_IDENTIFICATION cpu_to_le32(0x00000001) 1003#define IL_IMPERSONATION cpu_to_le32(0x00000002) 1004#define IL_DELEGATE cpu_to_le32(0x00000003) 1005 1006/* File Attrubutes */ 1007#define FILE_ATTRIBUTE_READONLY 0x00000001 1008#define FILE_ATTRIBUTE_HIDDEN 0x00000002 1009#define FILE_ATTRIBUTE_SYSTEM 0x00000004 1010#define FILE_ATTRIBUTE_DIRECTORY 0x00000010 1011#define FILE_ATTRIBUTE_ARCHIVE 0x00000020 1012#define FILE_ATTRIBUTE_NORMAL 0x00000080 1013#define FILE_ATTRIBUTE_TEMPORARY 0x00000100 1014#define FILE_ATTRIBUTE_SPARSE_FILE 0x00000200 1015#define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400 1016#define FILE_ATTRIBUTE_COMPRESSED 0x00000800 1017#define FILE_ATTRIBUTE_OFFLINE 0x00001000 1018#define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x00002000 1019#define FILE_ATTRIBUTE_ENCRYPTED 0x00004000 1020#define FILE_ATTRIBUTE_INTEGRITY_STREAM 0x00008000 1021#define FILE_ATTRIBUTE_NO_SCRUB_DATA 0x00020000 1022#define FILE_ATTRIBUTE__MASK 0x00007FB7 1023 1024#define FILE_ATTRIBUTE_READONLY_LE cpu_to_le32(0x00000001) 1025#define FILE_ATTRIBUTE_HIDDEN_LE cpu_to_le32(0x00000002) 1026#define FILE_ATTRIBUTE_SYSTEM_LE cpu_to_le32(0x00000004) 1027#define FILE_ATTRIBUTE_DIRECTORY_LE cpu_to_le32(0x00000010) 1028#define FILE_ATTRIBUTE_ARCHIVE_LE cpu_to_le32(0x00000020) 1029#define FILE_ATTRIBUTE_NORMAL_LE cpu_to_le32(0x00000080) 1030#define FILE_ATTRIBUTE_TEMPORARY_LE cpu_to_le32(0x00000100) 1031#define FILE_ATTRIBUTE_SPARSE_FILE_LE cpu_to_le32(0x00000200) 1032#define FILE_ATTRIBUTE_REPARSE_POINT_LE cpu_to_le32(0x00000400) 1033#define FILE_ATTRIBUTE_COMPRESSED_LE cpu_to_le32(0x00000800) 1034#define FILE_ATTRIBUTE_OFFLINE_LE cpu_to_le32(0x00001000) 1035#define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED_LE cpu_to_le32(0x00002000) 1036#define FILE_ATTRIBUTE_ENCRYPTED_LE cpu_to_le32(0x00004000) 1037#define FILE_ATTRIBUTE_INTEGRITY_STREAM_LE cpu_to_le32(0x00008000) 1038#define FILE_ATTRIBUTE_NO_SCRUB_DATA_LE cpu_to_le32(0x00020000) 1039#define FILE_ATTRIBUTE_MASK_LE cpu_to_le32(0x00007FB7) 1040 1041/* Desired Access Flags */ 1042#define FILE_READ_DATA_LE cpu_to_le32(0x00000001) 1043#define FILE_LIST_DIRECTORY_LE cpu_to_le32(0x00000001) 1044#define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002) 1045#define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004) 1046#define FILE_ADD_SUBDIRECTORY_LE cpu_to_le32(0x00000004) 1047#define FILE_READ_EA_LE cpu_to_le32(0x00000008) 1048#define FILE_WRITE_EA_LE cpu_to_le32(0x00000010) 1049#define FILE_EXECUTE_LE cpu_to_le32(0x00000020) 1050#define FILE_DELETE_CHILD_LE cpu_to_le32(0x00000040) 1051#define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080) 1052#define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100) 1053#define FILE_DELETE_LE cpu_to_le32(0x00010000) 1054#define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000) 1055#define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000) 1056#define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000) 1057#define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000) 1058#define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000) 1059#define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000) 1060#define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000) 1061#define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000) 1062#define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000) 1063#define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000) 1064#define DESIRED_ACCESS_MASK cpu_to_le32(0xF21F01FF) 1065 1066 1067#define FILE_READ_DESIRED_ACCESS_LE (FILE_READ_DATA_LE | \ 1068 FILE_READ_EA_LE | \ 1069 FILE_GENERIC_READ_LE) 1070#define FILE_WRITE_DESIRE_ACCESS_LE (FILE_WRITE_DATA_LE | \ 1071 FILE_APPEND_DATA_LE | \ 1072 FILE_WRITE_EA_LE | \ 1073 FILE_WRITE_ATTRIBUTES_LE | \ 1074 FILE_GENERIC_WRITE_LE) 1075 1076/* ShareAccess Flags */ 1077#define FILE_SHARE_READ_LE cpu_to_le32(0x00000001) 1078#define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002) 1079#define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004) 1080#define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007) 1081 1082/* CreateDisposition Flags */ 1083#define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000) 1084#define FILE_OPEN_LE cpu_to_le32(0x00000001) 1085#define FILE_CREATE_LE cpu_to_le32(0x00000002) 1086#define FILE_OPEN_IF_LE cpu_to_le32(0x00000003) 1087#define FILE_OVERWRITE_LE cpu_to_le32(0x00000004) 1088#define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005) 1089#define FILE_CREATE_MASK_LE cpu_to_le32(0x00000007) 1090 1091#define FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA \ 1092 | FILE_READ_ATTRIBUTES) 1093#define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ 1094 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES) 1095#define FILE_EXEC_RIGHTS (FILE_EXECUTE) 1096 1097/* CreateOptions Flags */ 1098#define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001) 1099/* same as #define CREATE_NOT_FILE_LE cpu_to_le32(0x00000001) */ 1100#define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002) 1101#define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004) 1102#define FILE_NO_INTERMEDIATE_BUFFERING_LE cpu_to_le32(0x00000008) 1103#define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040) 1104#define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100) 1105#define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200) 1106#define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800) 1107#define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000) 1108#define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000) 1109#define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000) 1110#define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000) 1111#define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000) 1112#define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000) 1113#define CREATE_OPTIONS_MASK_LE cpu_to_le32(0x00FFFFFF) 1114 1115#define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \ 1116 | FILE_READ_ATTRIBUTES_LE) 1117#define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \ 1118 | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE) 1119#define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE) 1120 1121/* Create Context Values */ 1122#define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */ 1123#define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */ 1124#define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ" 1125#define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC" 1126#define SMB2_CREATE_ALLOCATION_SIZE "AlSi" 1127#define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc" 1128#define SMB2_CREATE_TIMEWARP_REQUEST "TWrp" 1129#define SMB2_CREATE_QUERY_ON_DISK_ID "QFid" 1130#define SMB2_CREATE_REQUEST_LEASE "RqLs" 1131#define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q" 1132#define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C" 1133#define SMB2_CREATE_TAG_POSIX "\x93\xAD\x25\x50\x9C\xB4\x11\xE7\xB4\x23\x83\xDE\x96\x8B\xCD\x7C" 1134#define SMB2_CREATE_APP_INSTANCE_ID "\x45\xBC\xA6\x6A\xEF\xA7\xF7\x4A\x90\x08\xFA\x46\x2E\x14\x4D\x74" 1135#define SMB2_CREATE_APP_INSTANCE_VERSION "\xB9\x82\xD0\xB7\x3B\x56\x07\x4F\xA0\x7B\x52\x4A\x81\x16\xA0\x10" 1136#define SVHDX_OPEN_DEVICE_CONTEXT "\x9C\xCB\xCF\x9E\x04\xC1\xE6\x43\x98\x0E\x15\x8D\xA1\xF6\xEC\x83" 1137#define SMB2_CREATE_TAG_AAPL "AAPL" 1138 1139/* Flag (SMB3 open response) values */ 1140#define SMB2_CREATE_FLAG_REPARSEPOINT 0x01 1141 1142struct create_context { 1143 __le32 Next; 1144 __le16 NameOffset; 1145 __le16 NameLength; 1146 __le16 Reserved; 1147 __le16 DataOffset; 1148 __le32 DataLength; 1149 __u8 Buffer[]; 1150} __packed; 1151 1152struct smb2_create_req { 1153 struct smb2_hdr hdr; 1154 __le16 StructureSize; /* Must be 57 */ 1155 __u8 SecurityFlags; 1156 __u8 RequestedOplockLevel; 1157 __le32 ImpersonationLevel; 1158 __le64 SmbCreateFlags; 1159 __le64 Reserved; 1160 __le32 DesiredAccess; 1161 __le32 FileAttributes; 1162 __le32 ShareAccess; 1163 __le32 CreateDisposition; 1164 __le32 CreateOptions; 1165 __le16 NameOffset; 1166 __le16 NameLength; 1167 __le32 CreateContextsOffset; 1168 __le32 CreateContextsLength; 1169 __u8 Buffer[]; 1170} __packed; 1171 1172struct smb2_create_rsp { 1173 struct smb2_hdr hdr; 1174 __le16 StructureSize; /* Must be 89 */ 1175 __u8 OplockLevel; 1176 __u8 Flags; /* 0x01 if reparse point */ 1177 __le32 CreateAction; 1178 __le64 CreationTime; 1179 __le64 LastAccessTime; 1180 __le64 LastWriteTime; 1181 __le64 ChangeTime; 1182 __le64 AllocationSize; 1183 __le64 EndofFile; 1184 __le32 FileAttributes; 1185 __le32 Reserved2; 1186 __u64 PersistentFileId; 1187 __u64 VolatileFileId; 1188 __le32 CreateContextsOffset; 1189 __le32 CreateContextsLength; 1190 __u8 Buffer[]; 1191} __packed; 1192 1193struct create_posix { 1194 struct create_context ccontext; 1195 __u8 Name[16]; 1196 __le32 Mode; 1197 __u32 Reserved; 1198} __packed; 1199 1200/* See MS-SMB2 2.2.13.2.3 and MS-SMB2 2.2.13.2.4 */ 1201struct create_durable { 1202 struct create_context ccontext; 1203 __u8 Name[8]; 1204 union { 1205 __u8 Reserved[16]; 1206 struct { 1207 __u64 PersistentFileId; 1208 __u64 VolatileFileId; 1209 } Fid; 1210 } Data; 1211} __packed; 1212 1213/* See MS-SMB2 2.2.13.2.5 */ 1214struct create_mxac_req { 1215 struct create_context ccontext; 1216 __u8 Name[8]; 1217 __le64 Timestamp; 1218} __packed; 1219 1220/* See MS-SMB2 2.2.14.2.5 */ 1221struct create_mxac_rsp { 1222 struct create_context ccontext; 1223 __u8 Name[8]; 1224 __le32 QueryStatus; 1225 __le32 MaximalAccess; 1226} __packed; 1227 1228#define SMB2_LEASE_NONE_LE cpu_to_le32(0x00) 1229#define SMB2_LEASE_READ_CACHING_LE cpu_to_le32(0x01) 1230#define SMB2_LEASE_HANDLE_CACHING_LE cpu_to_le32(0x02) 1231#define SMB2_LEASE_WRITE_CACHING_LE cpu_to_le32(0x04) 1232 1233#define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS_LE cpu_to_le32(0x02) 1234#define SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET_LE cpu_to_le32(0x04) 1235 1236#define SMB2_LEASE_KEY_SIZE 16 1237 1238/* See MS-SMB2 2.2.13.2.8 */ 1239struct lease_context { 1240 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 1241 __le32 LeaseState; 1242 __le32 LeaseFlags; 1243 __le64 LeaseDuration; 1244} __packed; 1245 1246/* See MS-SMB2 2.2.13.2.10 */ 1247struct lease_context_v2 { 1248 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 1249 __le32 LeaseState; 1250 __le32 LeaseFlags; 1251 __le64 LeaseDuration; 1252 __u8 ParentLeaseKey[SMB2_LEASE_KEY_SIZE]; 1253 __le16 Epoch; 1254 __le16 Reserved; 1255} __packed; 1256 1257struct create_lease { 1258 struct create_context ccontext; 1259 __u8 Name[8]; 1260 struct lease_context lcontext; 1261} __packed; 1262 1263struct create_lease_v2 { 1264 struct create_context ccontext; 1265 __u8 Name[8]; 1266 struct lease_context_v2 lcontext; 1267 __u8 Pad[4]; 1268} __packed; 1269 1270/* See MS-SMB2 2.2.14.2.9 */ 1271struct create_disk_id_rsp { 1272 struct create_context ccontext; 1273 __u8 Name[8]; 1274 __le64 DiskFileId; 1275 __le64 VolumeId; 1276 __u8 Reserved[16]; 1277} __packed; 1278 1279/* See MS-SMB2 2.2.13.2.13 */ 1280struct create_app_inst_id { 1281 struct create_context ccontext; 1282 __u8 Name[16]; 1283 __le32 StructureSize; /* Must be 20 */ 1284 __u16 Reserved; 1285 __u8 AppInstanceId[16]; 1286} __packed; 1287 1288/* See MS-SMB2 2.2.13.2.15 */ 1289struct create_app_inst_id_vers { 1290 struct create_context ccontext; 1291 __u8 Name[16]; 1292 __le32 StructureSize; /* Must be 24 */ 1293 __u16 Reserved; 1294 __u32 Padding; 1295 __le64 AppInstanceVersionHigh; 1296 __le64 AppInstanceVersionLow; 1297} __packed; 1298 1299/* See MS-SMB2 2.2.31 and 2.2.32 */ 1300struct smb2_ioctl_req { 1301 struct smb2_hdr hdr; 1302 __le16 StructureSize; /* Must be 57 */ 1303 __le16 Reserved; /* offset from start of SMB2 header to write data */ 1304 __le32 CtlCode; 1305 __u64 PersistentFileId; 1306 __u64 VolatileFileId; 1307 __le32 InputOffset; /* Reserved MBZ */ 1308 __le32 InputCount; 1309 __le32 MaxInputResponse; 1310 __le32 OutputOffset; 1311 __le32 OutputCount; 1312 __le32 MaxOutputResponse; 1313 __le32 Flags; 1314 __le32 Reserved2; 1315 __u8 Buffer[]; 1316} __packed; 1317 1318struct smb2_ioctl_rsp { 1319 struct smb2_hdr hdr; 1320 __le16 StructureSize; /* Must be 49 */ 1321 __le16 Reserved; 1322 __le32 CtlCode; 1323 __u64 PersistentFileId; 1324 __u64 VolatileFileId; 1325 __le32 InputOffset; /* Reserved MBZ */ 1326 __le32 InputCount; 1327 __le32 OutputOffset; 1328 __le32 OutputCount; 1329 __le32 Flags; 1330 __le32 Reserved2; 1331 __u8 Buffer[]; 1332} __packed; 1333 1334/* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */ 1335struct file_zero_data_information { 1336 __le64 FileOffset; 1337 __le64 BeyondFinalZero; 1338} __packed; 1339 1340/* See MS-FSCC 2.3.7 */ 1341struct duplicate_extents_to_file { 1342 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 1343 __u64 VolatileFileHandle; 1344 __le64 SourceFileOffset; 1345 __le64 TargetFileOffset; 1346 __le64 ByteCount; /* Bytes to be copied */ 1347} __packed; 1348 1349/* See MS-FSCC 2.3.8 */ 1350#define DUPLICATE_EXTENTS_DATA_EX_SOURCE_ATOMIC 0x00000001 1351struct duplicate_extents_to_file_ex { 1352 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 1353 __u64 VolatileFileHandle; 1354 __le64 SourceFileOffset; 1355 __le64 TargetFileOffset; 1356 __le64 ByteCount; /* Bytes to be copied */ 1357 __le32 Flags; 1358 __le32 Reserved; 1359} __packed; 1360 1361 1362/* See MS-FSCC 2.3.20 */ 1363struct fsctl_get_integrity_information_rsp { 1364 __le16 ChecksumAlgorithm; 1365 __le16 Reserved; 1366 __le32 Flags; 1367 __le32 ChecksumChunkSizeInBytes; 1368 __le32 ClusterSizeInBytes; 1369} __packed; 1370 1371/* See MS-FSCC 2.3.55 */ 1372struct fsctl_query_file_regions_req { 1373 __le64 FileOffset; 1374 __le64 Length; 1375 __le32 DesiredUsage; 1376 __le32 Reserved; 1377} __packed; 1378 1379/* DesiredUsage flags see MS-FSCC 2.3.56.1 */ 1380#define FILE_USAGE_INVALID_RANGE 0x00000000 1381#define FILE_USAGE_VALID_CACHED_DATA 0x00000001 1382#define FILE_USAGE_NONCACHED_DATA 0x00000002 1383 1384struct file_region_info { 1385 __le64 FileOffset; 1386 __le64 Length; 1387 __le32 DesiredUsage; 1388 __le32 Reserved; 1389} __packed; 1390 1391/* See MS-FSCC 2.3.56 */ 1392struct fsctl_query_file_region_rsp { 1393 __le32 Flags; 1394 __le32 TotalRegionEntryCount; 1395 __le32 RegionEntryCount; 1396 __u32 Reserved; 1397 struct file_region_info Regions[]; 1398} __packed; 1399 1400/* See MS-FSCC 2.3.58 */ 1401struct fsctl_query_on_disk_vol_info_rsp { 1402 __le64 DirectoryCount; 1403 __le64 FileCount; 1404 __le16 FsFormatMajVersion; 1405 __le16 FsFormatMinVersion; 1406 __u8 FsFormatName[24]; 1407 __le64 FormatTime; 1408 __le64 LastUpdateTime; 1409 __u8 CopyrightInfo[68]; 1410 __u8 AbstractInfo[68]; 1411 __u8 FormatImplInfo[68]; 1412 __u8 LastModifyImplInfo[68]; 1413} __packed; 1414 1415/* See MS-FSCC 2.3.73 */ 1416struct fsctl_set_integrity_information_req { 1417 __le16 ChecksumAlgorithm; 1418 __le16 Reserved; 1419 __le32 Flags; 1420} __packed; 1421 1422/* See MS-FSCC 2.3.75 */ 1423struct fsctl_set_integrity_info_ex_req { 1424 __u8 EnableIntegrity; 1425 __u8 KeepState; 1426 __u16 Reserved; 1427 __le32 Flags; 1428 __u8 Version; 1429 __u8 Reserved2[7]; 1430} __packed; 1431 1432/* Integrity ChecksumAlgorithm choices for above */ 1433#define CHECKSUM_TYPE_NONE 0x0000 1434#define CHECKSUM_TYPE_CRC64 0x0002 1435#define CHECKSUM_TYPE_UNCHANGED 0xFFFF /* set only */ 1436 1437/* Integrity flags for above */ 1438#define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x00000001 1439 1440/* Reparse structures - see MS-FSCC 2.1.2 */ 1441 1442/* struct fsctl_reparse_info_req is empty, only response structs (see below) */ 1443struct reparse_data_buffer { 1444 __le32 ReparseTag; 1445 __le16 ReparseDataLength; 1446 __u16 Reserved; 1447 __u8 DataBuffer[]; /* Variable Length */ 1448} __packed; 1449 1450struct reparse_guid_data_buffer { 1451 __le32 ReparseTag; 1452 __le16 ReparseDataLength; 1453 __u16 Reserved; 1454 __u8 ReparseGuid[16]; 1455 __u8 DataBuffer[]; /* Variable Length */ 1456} __packed; 1457 1458struct reparse_mount_point_data_buffer { 1459 __le32 ReparseTag; 1460 __le16 ReparseDataLength; 1461 __u16 Reserved; 1462 __le16 SubstituteNameOffset; 1463 __le16 SubstituteNameLength; 1464 __le16 PrintNameOffset; 1465 __le16 PrintNameLength; 1466 __u8 PathBuffer[]; /* Variable Length */ 1467} __packed; 1468 1469#define SYMLINK_FLAG_RELATIVE 0x00000001 1470 1471struct reparse_symlink_data_buffer { 1472 __le32 ReparseTag; 1473 __le16 ReparseDataLength; 1474 __u16 Reserved; 1475 __le16 SubstituteNameOffset; 1476 __le16 SubstituteNameLength; 1477 __le16 PrintNameOffset; 1478 __le16 PrintNameLength; 1479 __le32 Flags; 1480 __u8 PathBuffer[]; /* Variable Length */ 1481} __packed; 1482 1483/* See MS-FSCC 2.1.2.6 and cifspdu.h for struct reparse_posix_data */ 1484 1485struct validate_negotiate_info_req { 1486 __le32 Capabilities; 1487 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1488 __le16 SecurityMode; 1489 __le16 DialectCount; 1490 __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */ 1491} __packed; 1492 1493struct validate_negotiate_info_rsp { 1494 __le32 Capabilities; 1495 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1496 __le16 SecurityMode; 1497 __le16 Dialect; /* Dialect in use for the connection */ 1498} __packed; 1499 1500 1501/* Possible InfoType values */ 1502#define SMB2_O_INFO_FILE 0x01 1503#define SMB2_O_INFO_FILESYSTEM 0x02 1504#define SMB2_O_INFO_SECURITY 0x03 1505#define SMB2_O_INFO_QUOTA 0x04 1506 1507/* SMB2 Query Info see MS-SMB2 (2.2.37) or MS-DTYP */ 1508 1509/* List of QUERY INFO levels (those also valid for QUERY_DIR are noted below */ 1510#define FILE_DIRECTORY_INFORMATION 1 /* also for QUERY_DIR */ 1511#define FILE_FULL_DIRECTORY_INFORMATION 2 /* also for QUERY_DIR */ 1512#define FILE_BOTH_DIRECTORY_INFORMATION 3 /* also for QUERY_DIR */ 1513#define FILE_BASIC_INFORMATION 4 1514#define FILE_STANDARD_INFORMATION 5 1515#define FILE_INTERNAL_INFORMATION 6 1516#define FILE_EA_INFORMATION 7 1517#define FILE_ACCESS_INFORMATION 8 1518#define FILE_NAME_INFORMATION 9 1519#define FILE_RENAME_INFORMATION 10 1520#define FILE_LINK_INFORMATION 11 1521#define FILE_NAMES_INFORMATION 12 /* also for QUERY_DIR */ 1522#define FILE_DISPOSITION_INFORMATION 13 1523#define FILE_POSITION_INFORMATION 14 1524#define FILE_FULL_EA_INFORMATION 15 1525#define FILE_MODE_INFORMATION 16 1526#define FILE_ALIGNMENT_INFORMATION 17 1527#define FILE_ALL_INFORMATION 18 1528#define FILE_ALLOCATION_INFORMATION 19 1529#define FILE_END_OF_FILE_INFORMATION 20 1530#define FILE_ALTERNATE_NAME_INFORMATION 21 1531#define FILE_STREAM_INFORMATION 22 1532#define FILE_PIPE_INFORMATION 23 1533#define FILE_PIPE_LOCAL_INFORMATION 24 1534#define FILE_PIPE_REMOTE_INFORMATION 25 1535#define FILE_MAILSLOT_QUERY_INFORMATION 26 1536#define FILE_MAILSLOT_SET_INFORMATION 27 1537#define FILE_COMPRESSION_INFORMATION 28 1538#define FILE_OBJECT_ID_INFORMATION 29 1539/* Number 30 not defined in documents */ 1540#define FILE_MOVE_CLUSTER_INFORMATION 31 1541#define FILE_QUOTA_INFORMATION 32 1542#define FILE_REPARSE_POINT_INFORMATION 33 1543#define FILE_NETWORK_OPEN_INFORMATION 34 1544#define FILE_ATTRIBUTE_TAG_INFORMATION 35 1545#define FILE_TRACKING_INFORMATION 36 1546#define FILEID_BOTH_DIRECTORY_INFORMATION 37 /* also for QUERY_DIR */ 1547#define FILEID_FULL_DIRECTORY_INFORMATION 38 /* also for QUERY_DIR */ 1548#define FILE_VALID_DATA_LENGTH_INFORMATION 39 1549#define FILE_SHORT_NAME_INFORMATION 40 1550#define FILE_SFIO_RESERVE_INFORMATION 44 1551#define FILE_SFIO_VOLUME_INFORMATION 45 1552#define FILE_HARD_LINK_INFORMATION 46 1553#define FILE_NORMALIZED_NAME_INFORMATION 48 1554#define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50 1555#define FILE_STANDARD_LINK_INFORMATION 54 1556#define FILE_ID_INFORMATION 59 1557#define FILE_ID_EXTD_DIRECTORY_INFORMATION 60 /* also for QUERY_DIR */ 1558/* Used for Query Info and Find File POSIX Info for SMB3.1.1 and SMB1 */ 1559#define SMB_FIND_FILE_POSIX_INFO 0x064 1560 1561/* Security info type additionalinfo flags. */ 1562#define OWNER_SECINFO 0x00000001 1563#define GROUP_SECINFO 0x00000002 1564#define DACL_SECINFO 0x00000004 1565#define SACL_SECINFO 0x00000008 1566#define LABEL_SECINFO 0x00000010 1567#define ATTRIBUTE_SECINFO 0x00000020 1568#define SCOPE_SECINFO 0x00000040 1569#define BACKUP_SECINFO 0x00010000 1570#define UNPROTECTED_SACL_SECINFO 0x10000000 1571#define UNPROTECTED_DACL_SECINFO 0x20000000 1572#define PROTECTED_SACL_SECINFO 0x40000000 1573#define PROTECTED_DACL_SECINFO 0x80000000 1574 1575/* Flags used for FileFullEAinfo */ 1576#define SL_RESTART_SCAN 0x00000001 1577#define SL_RETURN_SINGLE_ENTRY 0x00000002 1578#define SL_INDEX_SPECIFIED 0x00000004 1579 1580struct smb2_query_info_req { 1581 struct smb2_hdr hdr; 1582 __le16 StructureSize; /* Must be 41 */ 1583 __u8 InfoType; 1584 __u8 FileInfoClass; 1585 __le32 OutputBufferLength; 1586 __le16 InputBufferOffset; 1587 __u16 Reserved; 1588 __le32 InputBufferLength; 1589 __le32 AdditionalInformation; 1590 __le32 Flags; 1591 __u64 PersistentFileId; 1592 __u64 VolatileFileId; 1593 __u8 Buffer[]; 1594} __packed; 1595 1596struct smb2_query_info_rsp { 1597 struct smb2_hdr hdr; 1598 __le16 StructureSize; /* Must be 9 */ 1599 __le16 OutputBufferOffset; 1600 __le32 OutputBufferLength; 1601 __u8 Buffer[]; 1602} __packed; 1603 1604/* 1605 * PDU query infolevel structure definitions 1606 */ 1607 1608/* See MS-FSCC 2.3.52 */ 1609struct file_allocated_range_buffer { 1610 __le64 file_offset; 1611 __le64 length; 1612} __packed; 1613 1614struct smb2_file_internal_info { 1615 __le64 IndexNumber; 1616} __packed; /* level 6 Query */ 1617 1618struct smb2_file_rename_info { /* encoding of request for level 10 */ 1619 __u8 ReplaceIfExists; /* 1 = replace existing target with new */ 1620 /* 0 = fail if target already exists */ 1621 __u8 Reserved[7]; 1622 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1623 __le32 FileNameLength; 1624 char FileName[]; /* New name to be assigned */ 1625 /* padding - overall struct size must be >= 24 so filename + pad >= 6 */ 1626} __packed; /* level 10 Set */ 1627 1628struct smb2_file_link_info { /* encoding of request for level 11 */ 1629 __u8 ReplaceIfExists; /* 1 = replace existing link with new */ 1630 /* 0 = fail if link already exists */ 1631 __u8 Reserved[7]; 1632 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1633 __le32 FileNameLength; 1634 char FileName[]; /* Name to be assigned to new link */ 1635} __packed; /* level 11 Set */ 1636 1637/* 1638 * This level 18, although with struct with same name is different from cifs 1639 * level 0x107. Level 0x107 has an extra u64 between AccessFlags and 1640 * CurrentByteOffset. 1641 */ 1642struct smb2_file_all_info { /* data block encoding of response to level 18 */ 1643 __le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */ 1644 __le64 LastAccessTime; 1645 __le64 LastWriteTime; 1646 __le64 ChangeTime; 1647 __le32 Attributes; 1648 __u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */ 1649 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 1650 __le64 EndOfFile; /* size ie offset to first free byte in file */ 1651 __le32 NumberOfLinks; /* hard links */ 1652 __u8 DeletePending; 1653 __u8 Directory; 1654 __u16 Pad2; /* End of FILE_STANDARD_INFO equivalent */ 1655 __le64 IndexNumber; 1656 __le32 EASize; 1657 __le32 AccessFlags; 1658 __le64 CurrentByteOffset; 1659 __le32 Mode; 1660 __le32 AlignmentRequirement; 1661 __le32 FileNameLength; 1662 union { 1663 char __pad; /* Legacy structure padding */ 1664 DECLARE_FLEX_ARRAY(char, FileName); 1665 }; 1666} __packed; /* level 18 Query */ 1667 1668struct smb2_file_eof_info { /* encoding of request for level 10 */ 1669 __le64 EndOfFile; /* new end of file value */ 1670} __packed; /* level 20 Set */ 1671 1672/* Level 100 query info */ 1673struct smb311_posix_qinfo { 1674 __le64 CreationTime; 1675 __le64 LastAccessTime; 1676 __le64 LastWriteTime; 1677 __le64 ChangeTime; 1678 __le64 EndOfFile; 1679 __le64 AllocationSize; 1680 __le32 DosAttributes; 1681 __le64 Inode; 1682 __le32 DeviceId; 1683 __le32 Zero; 1684 /* beginning of POSIX Create Context Response */ 1685 __le32 HardLinks; 1686 __le32 ReparseTag; 1687 __le32 Mode; 1688 u8 Sids[]; 1689 /* 1690 * var sized owner SID 1691 * var sized group SID 1692 * le32 filenamelength 1693 * u8 filename[] 1694 */ 1695} __packed; 1696 1697/* File System Information Classes */ 1698#define FS_VOLUME_INFORMATION 1 /* Query */ 1699#define FS_LABEL_INFORMATION 2 /* Set */ 1700#define FS_SIZE_INFORMATION 3 /* Query */ 1701#define FS_DEVICE_INFORMATION 4 /* Query */ 1702#define FS_ATTRIBUTE_INFORMATION 5 /* Query */ 1703#define FS_CONTROL_INFORMATION 6 /* Query, Set */ 1704#define FS_FULL_SIZE_INFORMATION 7 /* Query */ 1705#define FS_OBJECT_ID_INFORMATION 8 /* Query, Set */ 1706#define FS_DRIVER_PATH_INFORMATION 9 /* Query */ 1707#define FS_SECTOR_SIZE_INFORMATION 11 /* SMB3 or later. Query */ 1708#define FS_POSIX_INFORMATION 100 /* SMB3.1.1 POSIX. Query */ 1709 1710struct smb2_fs_full_size_info { 1711 __le64 TotalAllocationUnits; 1712 __le64 CallerAvailableAllocationUnits; 1713 __le64 ActualAvailableAllocationUnits; 1714 __le32 SectorsPerAllocationUnit; 1715 __le32 BytesPerSector; 1716} __packed; 1717 1718#define SSINFO_FLAGS_ALIGNED_DEVICE 0x00000001 1719#define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002 1720#define SSINFO_FLAGS_NO_SEEK_PENALTY 0x00000004 1721#define SSINFO_FLAGS_TRIM_ENABLED 0x00000008 1722 1723/* sector size info struct */ 1724struct smb3_fs_ss_info { 1725 __le32 LogicalBytesPerSector; 1726 __le32 PhysicalBytesPerSectorForAtomicity; 1727 __le32 PhysicalBytesPerSectorForPerf; 1728 __le32 FSEffPhysicalBytesPerSectorForAtomicity; 1729 __le32 Flags; 1730 __le32 ByteOffsetForSectorAlignment; 1731 __le32 ByteOffsetForPartitionAlignment; 1732} __packed; 1733 1734/* File System Control Information */ 1735struct smb2_fs_control_info { 1736 __le64 FreeSpaceStartFiltering; 1737 __le64 FreeSpaceThreshold; 1738 __le64 FreeSpaceStopFiltering; 1739 __le64 DefaultQuotaThreshold; 1740 __le64 DefaultQuotaLimit; 1741 __le32 FileSystemControlFlags; 1742 __le32 Padding; 1743} __packed; 1744 1745/* volume info struct - see MS-FSCC 2.5.9 */ 1746#define MAX_VOL_LABEL_LEN 32 1747struct smb3_fs_vol_info { 1748 __le64 VolumeCreationTime; 1749 __u32 VolumeSerialNumber; 1750 __le32 VolumeLabelLength; /* includes trailing null */ 1751 __u8 SupportsObjects; /* True if eg like NTFS, supports objects */ 1752 __u8 Reserved; 1753 __u8 VolumeLabel[]; /* variable len */ 1754} __packed; 1755 1756/* See MS-SMB2 2.2.23 through 2.2.25 */ 1757struct smb2_oplock_break { 1758 struct smb2_hdr hdr; 1759 __le16 StructureSize; /* Must be 24 */ 1760 __u8 OplockLevel; 1761 __u8 Reserved; 1762 __le32 Reserved2; 1763 __u64 PersistentFid; 1764 __u64 VolatileFid; 1765} __packed; 1766 1767#define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01) 1768 1769struct smb2_lease_break { 1770 struct smb2_hdr hdr; 1771 __le16 StructureSize; /* Must be 44 */ 1772 __le16 Epoch; 1773 __le32 Flags; 1774 __u8 LeaseKey[16]; 1775 __le32 CurrentLeaseState; 1776 __le32 NewLeaseState; 1777 __le32 BreakReason; 1778 __le32 AccessMaskHint; 1779 __le32 ShareMaskHint; 1780} __packed; 1781 1782struct smb2_lease_ack { 1783 struct smb2_hdr hdr; 1784 __le16 StructureSize; /* Must be 36 */ 1785 __le16 Reserved; 1786 __le32 Flags; 1787 __u8 LeaseKey[16]; 1788 __le32 LeaseState; 1789 __le64 LeaseDuration; 1790} __packed; 1791 1792#define OP_BREAK_STRUCT_SIZE_20 24 1793#define OP_BREAK_STRUCT_SIZE_21 36 1794#endif /* _COMMON_SMB2PDU_H */ 1795