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 */ 135 struct 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; 155 156 struct 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; 177 178 struct 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) 185 186 struct 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 200 struct 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 */ 212 struct 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 223 224 struct 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 */ 232 struct 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 */ 239 struct 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) 250 251 struct 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 */ 259 struct 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 */ 276 277 struct sid_array_data { 278 __le16 SidAttrCount; 279 /* SidAttrList - array of sid_attr_data structs */ 280 } __packed; 281 282 struct 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 */ 290 291 struct privilege_array_data { 292 __le16 PrivilegeCount; 293 /* array of privilege_data structs */ 294 } __packed; 295 296 struct 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; 313 314 struct 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) 326 327 struct 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 */ 372 373 struct 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; 382 383 struct smb2_tree_disconnect_req { 384 struct smb2_hdr hdr; 385 __le16 StructureSize; /* Must be 4 */ 386 __le16 Reserved; 387 } __packed; 388 389 struct 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) 445 446 struct 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 6 461 462 struct 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 4 480 struct 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) 500 501 struct 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 */ 517 struct 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 531 532 struct 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 549 550 struct 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) 572 573 struct 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 16 583 struct smb2_posix_neg_context { 584 __le16 ContextType; /* 0x100 */ 585 __le16 DataLength; 586 __le32 Reserved; 587 __u8 Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */ 588 } __packed; 589 590 struct 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; 604 605 struct 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 631 632 struct 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) 652 653 struct 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 */ 666 struct smb2_logoff_req { 667 struct smb2_hdr hdr; 668 __le16 StructureSize; /* Must be 4 */ 669 __le16 Reserved; 670 } __packed; 671 672 struct 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) 684 struct 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 124 697 698 struct smb2_close_rsp { 699 struct smb2_hdr hdr; 700 __le16 StructureSize; /* 60 */ 701 __le16 Flags; 702 __le32 Reserved; 703 __le64 CreationTime; 704 __le64 LastAccessTime; 705 __le64 LastWriteTime; 706 __le64 ChangeTime; 707 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 708 __le64 EndOfFile; 709 __le32 Attributes; 710 } __packed; 711 712 713 /* 714 * SMB2_READ See MS-SMB2 section 2.2.19 715 */ 716 /* For read request Flags field below, following flag is defined for SMB3.02 */ 717 #define SMB2_READFLAG_READ_UNBUFFERED 0x01 718 #define SMB2_READFLAG_REQUEST_COMPRESSED 0x02 /* See MS-SMB2 2.2.19 */ 719 720 /* Channel field for read and write: exactly one of following flags can be set*/ 721 #define SMB2_CHANNEL_NONE cpu_to_le32(0x00000000) 722 #define SMB2_CHANNEL_RDMA_V1 cpu_to_le32(0x00000001) 723 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) 724 #define SMB2_CHANNEL_RDMA_TRANSFORM cpu_to_le32(0x00000003) 725 726 /* SMB2 read request without RFC1001 length at the beginning */ 727 struct smb2_read_req { 728 struct smb2_hdr hdr; 729 __le16 StructureSize; /* Must be 49 */ 730 __u8 Padding; /* offset from start of SMB2 header to place read */ 731 __u8 Flags; /* MBZ unless SMB3.02 or later */ 732 __le32 Length; 733 __le64 Offset; 734 __u64 PersistentFileId; 735 __u64 VolatileFileId; 736 __le32 MinimumCount; 737 __le32 Channel; /* MBZ except for SMB3 or later */ 738 __le32 RemainingBytes; 739 __le16 ReadChannelInfoOffset; 740 __le16 ReadChannelInfoLength; 741 __u8 Buffer[]; 742 } __packed; 743 744 /* Read flags */ 745 #define SMB2_READFLAG_RESPONSE_NONE cpu_to_le32(0x00000000) 746 #define SMB2_READFLAG_RESPONSE_RDMA_TRANSFORM cpu_to_le32(0x00000001) 747 748 struct smb2_read_rsp { 749 struct smb2_hdr hdr; 750 __le16 StructureSize; /* Must be 17 */ 751 __u8 DataOffset; 752 __u8 Reserved; 753 __le32 DataLength; 754 __le32 DataRemaining; 755 __le32 Flags; 756 __u8 Buffer[]; 757 } __packed; 758 759 760 /* 761 * SMB2_WRITE See MS-SMB2 section 2.2.21 762 */ 763 /* For write request Flags field below the following flags are defined: */ 764 #define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 /* SMB2.1 or later */ 765 #define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002 /* SMB3.02 or later */ 766 767 struct smb2_write_req { 768 struct smb2_hdr hdr; 769 __le16 StructureSize; /* Must be 49 */ 770 __le16 DataOffset; /* offset from start of SMB2 header to write data */ 771 __le32 Length; 772 __le64 Offset; 773 __u64 PersistentFileId; /* opaque endianness */ 774 __u64 VolatileFileId; /* opaque endianness */ 775 __le32 Channel; /* MBZ unless SMB3.02 or later */ 776 __le32 RemainingBytes; 777 __le16 WriteChannelInfoOffset; 778 __le16 WriteChannelInfoLength; 779 __le32 Flags; 780 __u8 Buffer[]; 781 } __packed; 782 783 struct smb2_write_rsp { 784 struct smb2_hdr hdr; 785 __le16 StructureSize; /* Must be 17 */ 786 __u8 DataOffset; 787 __u8 Reserved; 788 __le32 DataLength; 789 __le32 DataRemaining; 790 __u32 Reserved2; 791 __u8 Buffer[]; 792 } __packed; 793 794 795 /* 796 * SMB2_FLUSH See MS-SMB2 section 2.2.17 797 */ 798 struct smb2_flush_req { 799 struct smb2_hdr hdr; 800 __le16 StructureSize; /* Must be 24 */ 801 __le16 Reserved1; 802 __le32 Reserved2; 803 __u64 PersistentFileId; 804 __u64 VolatileFileId; 805 } __packed; 806 807 struct smb2_flush_rsp { 808 struct smb2_hdr hdr; 809 __le16 StructureSize; 810 __le16 Reserved; 811 } __packed; 812 813 #define SMB2_LOCKFLAG_SHARED 0x0001 814 #define SMB2_LOCKFLAG_EXCLUSIVE 0x0002 815 #define SMB2_LOCKFLAG_UNLOCK 0x0004 816 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY 0x0010 817 #define SMB2_LOCKFLAG_MASK 0x0007 818 819 struct smb2_lock_element { 820 __le64 Offset; 821 __le64 Length; 822 __le32 Flags; 823 __le32 Reserved; 824 } __packed; 825 826 struct smb2_lock_req { 827 struct smb2_hdr hdr; 828 __le16 StructureSize; /* Must be 48 */ 829 __le16 LockCount; 830 /* 831 * The least significant four bits are the index, the other 28 bits are 832 * the lock sequence number (0 to 64). See MS-SMB2 2.2.26 833 */ 834 __le32 LockSequenceNumber; 835 __u64 PersistentFileId; 836 __u64 VolatileFileId; 837 /* Followed by at least one */ 838 union { 839 struct smb2_lock_element lock; 840 DECLARE_FLEX_ARRAY(struct smb2_lock_element, locks); 841 }; 842 } __packed; 843 844 struct smb2_lock_rsp { 845 struct smb2_hdr hdr; 846 __le16 StructureSize; /* Must be 4 */ 847 __le16 Reserved; 848 } __packed; 849 850 struct smb2_echo_req { 851 struct smb2_hdr hdr; 852 __le16 StructureSize; /* Must be 4 */ 853 __u16 Reserved; 854 } __packed; 855 856 struct smb2_echo_rsp { 857 struct smb2_hdr hdr; 858 __le16 StructureSize; /* Must be 4 */ 859 __u16 Reserved; 860 } __packed; 861 862 /* 863 * Valid FileInformation classes for query directory 864 * 865 * Note that these are a subset of the (file) QUERY_INFO levels defined 866 * later in this file (but since QUERY_DIRECTORY uses equivalent numbers 867 * we do not redefine them here) 868 * 869 * FileDirectoryInfomation 0x01 870 * FileFullDirectoryInformation 0x02 871 * FileIdFullDirectoryInformation 0x26 872 * FileBothDirectoryInformation 0x03 873 * FileIdBothDirectoryInformation 0x25 874 * FileNamesInformation 0x0C 875 * FileIdExtdDirectoryInformation 0x3C 876 */ 877 878 /* search (query_directory) Flags field */ 879 #define SMB2_RESTART_SCANS 0x01 880 #define SMB2_RETURN_SINGLE_ENTRY 0x02 881 #define SMB2_INDEX_SPECIFIED 0x04 882 #define SMB2_REOPEN 0x10 883 884 struct smb2_query_directory_req { 885 struct smb2_hdr hdr; 886 __le16 StructureSize; /* Must be 33 */ 887 __u8 FileInformationClass; 888 __u8 Flags; 889 __le32 FileIndex; 890 __u64 PersistentFileId; 891 __u64 VolatileFileId; 892 __le16 FileNameOffset; 893 __le16 FileNameLength; 894 __le32 OutputBufferLength; 895 __u8 Buffer[]; 896 } __packed; 897 898 struct smb2_query_directory_rsp { 899 struct smb2_hdr hdr; 900 __le16 StructureSize; /* Must be 9 */ 901 __le16 OutputBufferOffset; 902 __le32 OutputBufferLength; 903 __u8 Buffer[]; 904 } __packed; 905 906 /* 907 * Maximum number of iovs we need for a set-info request. 908 * The largest one is rename/hardlink 909 * [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info 910 * [1] : path 911 * [2] : compound padding 912 */ 913 #define SMB2_SET_INFO_IOV_SIZE 3 914 915 struct smb2_set_info_req { 916 struct smb2_hdr hdr; 917 __le16 StructureSize; /* Must be 33 */ 918 __u8 InfoType; 919 __u8 FileInfoClass; 920 __le32 BufferLength; 921 __le16 BufferOffset; 922 __u16 Reserved; 923 __le32 AdditionalInformation; 924 __u64 PersistentFileId; 925 __u64 VolatileFileId; 926 __u8 Buffer[]; 927 } __packed; 928 929 struct smb2_set_info_rsp { 930 struct smb2_hdr hdr; 931 __le16 StructureSize; /* Must be 2 */ 932 } __packed; 933 934 /* 935 * SMB2_NOTIFY See MS-SMB2 section 2.2.35 936 */ 937 /* notify flags */ 938 #define SMB2_WATCH_TREE 0x0001 939 940 /* notify completion filter flags. See MS-FSCC 2.6 and MS-SMB2 2.2.35 */ 941 #define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001 942 #define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002 943 #define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004 944 #define FILE_NOTIFY_CHANGE_SIZE 0x00000008 945 #define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010 946 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020 947 #define FILE_NOTIFY_CHANGE_CREATION 0x00000040 948 #define FILE_NOTIFY_CHANGE_EA 0x00000080 949 #define FILE_NOTIFY_CHANGE_SECURITY 0x00000100 950 #define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200 951 #define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400 952 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800 953 954 /* SMB2 Notify Action Flags */ 955 #define FILE_ACTION_ADDED 0x00000001 956 #define FILE_ACTION_REMOVED 0x00000002 957 #define FILE_ACTION_MODIFIED 0x00000003 958 #define FILE_ACTION_RENAMED_OLD_NAME 0x00000004 959 #define FILE_ACTION_RENAMED_NEW_NAME 0x00000005 960 #define FILE_ACTION_ADDED_STREAM 0x00000006 961 #define FILE_ACTION_REMOVED_STREAM 0x00000007 962 #define FILE_ACTION_MODIFIED_STREAM 0x00000008 963 #define FILE_ACTION_REMOVED_BY_DELETE 0x00000009 964 965 struct smb2_change_notify_req { 966 struct smb2_hdr hdr; 967 __le16 StructureSize; 968 __le16 Flags; 969 __le32 OutputBufferLength; 970 __u64 PersistentFileId; /* opaque endianness */ 971 __u64 VolatileFileId; /* opaque endianness */ 972 __le32 CompletionFilter; 973 __u32 Reserved; 974 } __packed; 975 976 struct smb2_change_notify_rsp { 977 struct smb2_hdr hdr; 978 __le16 StructureSize; /* Must be 9 */ 979 __le16 OutputBufferOffset; 980 __le32 OutputBufferLength; 981 __u8 Buffer[]; /* array of file notify structs */ 982 } __packed; 983 984 985 /* 986 * SMB2_CREATE See MS-SMB2 section 2.2.13 987 */ 988 /* Oplock levels */ 989 #define SMB2_OPLOCK_LEVEL_NONE 0x00 990 #define SMB2_OPLOCK_LEVEL_II 0x01 991 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08 992 #define SMB2_OPLOCK_LEVEL_BATCH 0x09 993 #define SMB2_OPLOCK_LEVEL_LEASE 0xFF 994 /* Non-spec internal type */ 995 #define SMB2_OPLOCK_LEVEL_NOCHANGE 0x99 996 997 /* Impersonation Levels. See MS-WPO section 9.7 and MSDN-IMPERS */ 998 #define IL_ANONYMOUS cpu_to_le32(0x00000000) 999 #define IL_IDENTIFICATION cpu_to_le32(0x00000001) 1000 #define IL_IMPERSONATION cpu_to_le32(0x00000002) 1001 #define IL_DELEGATE cpu_to_le32(0x00000003) 1002 1003 /* File Attrubutes */ 1004 #define FILE_ATTRIBUTE_READONLY 0x00000001 1005 #define FILE_ATTRIBUTE_HIDDEN 0x00000002 1006 #define FILE_ATTRIBUTE_SYSTEM 0x00000004 1007 #define FILE_ATTRIBUTE_DIRECTORY 0x00000010 1008 #define FILE_ATTRIBUTE_ARCHIVE 0x00000020 1009 #define FILE_ATTRIBUTE_NORMAL 0x00000080 1010 #define FILE_ATTRIBUTE_TEMPORARY 0x00000100 1011 #define FILE_ATTRIBUTE_SPARSE_FILE 0x00000200 1012 #define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400 1013 #define FILE_ATTRIBUTE_COMPRESSED 0x00000800 1014 #define FILE_ATTRIBUTE_OFFLINE 0x00001000 1015 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x00002000 1016 #define FILE_ATTRIBUTE_ENCRYPTED 0x00004000 1017 #define FILE_ATTRIBUTE_INTEGRITY_STREAM 0x00008000 1018 #define FILE_ATTRIBUTE_NO_SCRUB_DATA 0x00020000 1019 #define FILE_ATTRIBUTE__MASK 0x00007FB7 1020 1021 #define FILE_ATTRIBUTE_READONLY_LE cpu_to_le32(0x00000001) 1022 #define FILE_ATTRIBUTE_HIDDEN_LE cpu_to_le32(0x00000002) 1023 #define FILE_ATTRIBUTE_SYSTEM_LE cpu_to_le32(0x00000004) 1024 #define FILE_ATTRIBUTE_DIRECTORY_LE cpu_to_le32(0x00000010) 1025 #define FILE_ATTRIBUTE_ARCHIVE_LE cpu_to_le32(0x00000020) 1026 #define FILE_ATTRIBUTE_NORMAL_LE cpu_to_le32(0x00000080) 1027 #define FILE_ATTRIBUTE_TEMPORARY_LE cpu_to_le32(0x00000100) 1028 #define FILE_ATTRIBUTE_SPARSE_FILE_LE cpu_to_le32(0x00000200) 1029 #define FILE_ATTRIBUTE_REPARSE_POINT_LE cpu_to_le32(0x00000400) 1030 #define FILE_ATTRIBUTE_COMPRESSED_LE cpu_to_le32(0x00000800) 1031 #define FILE_ATTRIBUTE_OFFLINE_LE cpu_to_le32(0x00001000) 1032 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED_LE cpu_to_le32(0x00002000) 1033 #define FILE_ATTRIBUTE_ENCRYPTED_LE cpu_to_le32(0x00004000) 1034 #define FILE_ATTRIBUTE_INTEGRITY_STREAM_LE cpu_to_le32(0x00008000) 1035 #define FILE_ATTRIBUTE_NO_SCRUB_DATA_LE cpu_to_le32(0x00020000) 1036 #define FILE_ATTRIBUTE_MASK_LE cpu_to_le32(0x00007FB7) 1037 1038 /* Desired Access Flags */ 1039 #define FILE_READ_DATA_LE cpu_to_le32(0x00000001) 1040 #define FILE_LIST_DIRECTORY_LE cpu_to_le32(0x00000001) 1041 #define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002) 1042 #define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004) 1043 #define FILE_ADD_SUBDIRECTORY_LE cpu_to_le32(0x00000004) 1044 #define FILE_READ_EA_LE cpu_to_le32(0x00000008) 1045 #define FILE_WRITE_EA_LE cpu_to_le32(0x00000010) 1046 #define FILE_EXECUTE_LE cpu_to_le32(0x00000020) 1047 #define FILE_DELETE_CHILD_LE cpu_to_le32(0x00000040) 1048 #define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080) 1049 #define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100) 1050 #define FILE_DELETE_LE cpu_to_le32(0x00010000) 1051 #define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000) 1052 #define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000) 1053 #define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000) 1054 #define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000) 1055 #define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000) 1056 #define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000) 1057 #define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000) 1058 #define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000) 1059 #define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000) 1060 #define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000) 1061 #define DESIRED_ACCESS_MASK cpu_to_le32(0xF21F01FF) 1062 1063 1064 #define FILE_READ_DESIRED_ACCESS_LE (FILE_READ_DATA_LE | \ 1065 FILE_READ_EA_LE | \ 1066 FILE_GENERIC_READ_LE) 1067 #define FILE_WRITE_DESIRE_ACCESS_LE (FILE_WRITE_DATA_LE | \ 1068 FILE_APPEND_DATA_LE | \ 1069 FILE_WRITE_EA_LE | \ 1070 FILE_WRITE_ATTRIBUTES_LE | \ 1071 FILE_GENERIC_WRITE_LE) 1072 1073 /* ShareAccess Flags */ 1074 #define FILE_SHARE_READ_LE cpu_to_le32(0x00000001) 1075 #define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002) 1076 #define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004) 1077 #define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007) 1078 1079 /* CreateDisposition Flags */ 1080 #define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000) 1081 #define FILE_OPEN_LE cpu_to_le32(0x00000001) 1082 #define FILE_CREATE_LE cpu_to_le32(0x00000002) 1083 #define FILE_OPEN_IF_LE cpu_to_le32(0x00000003) 1084 #define FILE_OVERWRITE_LE cpu_to_le32(0x00000004) 1085 #define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005) 1086 #define FILE_CREATE_MASK_LE cpu_to_le32(0x00000007) 1087 1088 #define FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA \ 1089 | FILE_READ_ATTRIBUTES) 1090 #define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ 1091 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES) 1092 #define FILE_EXEC_RIGHTS (FILE_EXECUTE) 1093 1094 /* CreateOptions Flags */ 1095 #define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001) 1096 /* same as #define CREATE_NOT_FILE_LE cpu_to_le32(0x00000001) */ 1097 #define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002) 1098 #define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004) 1099 #define FILE_NO_INTERMEDIATE_BUFFERING_LE cpu_to_le32(0x00000008) 1100 #define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040) 1101 #define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100) 1102 #define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200) 1103 #define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800) 1104 #define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000) 1105 #define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000) 1106 #define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000) 1107 #define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000) 1108 #define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000) 1109 #define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000) 1110 #define CREATE_OPTIONS_MASK_LE cpu_to_le32(0x00FFFFFF) 1111 1112 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \ 1113 | FILE_READ_ATTRIBUTES_LE) 1114 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \ 1115 | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE) 1116 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE) 1117 1118 /* Create Context Values */ 1119 #define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */ 1120 #define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */ 1121 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ" 1122 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC" 1123 #define SMB2_CREATE_ALLOCATION_SIZE "AISi" 1124 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc" 1125 #define SMB2_CREATE_TIMEWARP_REQUEST "TWrp" 1126 #define SMB2_CREATE_QUERY_ON_DISK_ID "QFid" 1127 #define SMB2_CREATE_REQUEST_LEASE "RqLs" 1128 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q" 1129 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C" 1130 #define SMB2_CREATE_TAG_POSIX "\x93\xAD\x25\x50\x9C\xB4\x11\xE7\xB4\x23\x83\xDE\x96\x8B\xCD\x7C" 1131 #define SMB2_CREATE_APP_INSTANCE_ID "\x45\xBC\xA6\x6A\xEF\xA7\xF7\x4A\x90\x08\xFA\x46\x2E\x14\x4D\x74" 1132 #define SMB2_CREATE_APP_INSTANCE_VERSION "\xB9\x82\xD0\xB7\x3B\x56\x07\x4F\xA0\x7B\x52\x4A\x81\x16\xA0\x10" 1133 #define SVHDX_OPEN_DEVICE_CONTEXT "\x9C\xCB\xCF\x9E\x04\xC1\xE6\x43\x98\x0E\x15\x8D\xA1\xF6\xEC\x83" 1134 #define SMB2_CREATE_TAG_AAPL "AAPL" 1135 1136 /* Flag (SMB3 open response) values */ 1137 #define SMB2_CREATE_FLAG_REPARSEPOINT 0x01 1138 1139 struct create_context { 1140 __le32 Next; 1141 __le16 NameOffset; 1142 __le16 NameLength; 1143 __le16 Reserved; 1144 __le16 DataOffset; 1145 __le32 DataLength; 1146 __u8 Buffer[]; 1147 } __packed; 1148 1149 struct smb2_create_req { 1150 struct smb2_hdr hdr; 1151 __le16 StructureSize; /* Must be 57 */ 1152 __u8 SecurityFlags; 1153 __u8 RequestedOplockLevel; 1154 __le32 ImpersonationLevel; 1155 __le64 SmbCreateFlags; 1156 __le64 Reserved; 1157 __le32 DesiredAccess; 1158 __le32 FileAttributes; 1159 __le32 ShareAccess; 1160 __le32 CreateDisposition; 1161 __le32 CreateOptions; 1162 __le16 NameOffset; 1163 __le16 NameLength; 1164 __le32 CreateContextsOffset; 1165 __le32 CreateContextsLength; 1166 __u8 Buffer[]; 1167 } __packed; 1168 1169 struct smb2_create_rsp { 1170 struct smb2_hdr hdr; 1171 __le16 StructureSize; /* Must be 89 */ 1172 __u8 OplockLevel; 1173 __u8 Flags; /* 0x01 if reparse point */ 1174 __le32 CreateAction; 1175 __le64 CreationTime; 1176 __le64 LastAccessTime; 1177 __le64 LastWriteTime; 1178 __le64 ChangeTime; 1179 __le64 AllocationSize; 1180 __le64 EndofFile; 1181 __le32 FileAttributes; 1182 __le32 Reserved2; 1183 __u64 PersistentFileId; 1184 __u64 VolatileFileId; 1185 __le32 CreateContextsOffset; 1186 __le32 CreateContextsLength; 1187 __u8 Buffer[]; 1188 } __packed; 1189 1190 struct create_posix { 1191 struct create_context ccontext; 1192 __u8 Name[16]; 1193 __le32 Mode; 1194 __u32 Reserved; 1195 } __packed; 1196 1197 /* See MS-SMB2 2.2.13.2.3 and MS-SMB2 2.2.13.2.4 */ 1198 struct create_durable { 1199 struct create_context ccontext; 1200 __u8 Name[8]; 1201 union { 1202 __u8 Reserved[16]; 1203 struct { 1204 __u64 PersistentFileId; 1205 __u64 VolatileFileId; 1206 } Fid; 1207 } Data; 1208 } __packed; 1209 1210 /* See MS-SMB2 2.2.13.2.5 */ 1211 struct create_mxac_req { 1212 struct create_context ccontext; 1213 __u8 Name[8]; 1214 __le64 Timestamp; 1215 } __packed; 1216 1217 /* See MS-SMB2 2.2.14.2.5 */ 1218 struct create_mxac_rsp { 1219 struct create_context ccontext; 1220 __u8 Name[8]; 1221 __le32 QueryStatus; 1222 __le32 MaximalAccess; 1223 } __packed; 1224 1225 #define SMB2_LEASE_NONE_LE cpu_to_le32(0x00) 1226 #define SMB2_LEASE_READ_CACHING_LE cpu_to_le32(0x01) 1227 #define SMB2_LEASE_HANDLE_CACHING_LE cpu_to_le32(0x02) 1228 #define SMB2_LEASE_WRITE_CACHING_LE cpu_to_le32(0x04) 1229 1230 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS_LE cpu_to_le32(0x02) 1231 1232 #define SMB2_LEASE_KEY_SIZE 16 1233 1234 /* See MS-SMB2 2.2.13.2.8 */ 1235 struct lease_context { 1236 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 1237 __le32 LeaseState; 1238 __le32 LeaseFlags; 1239 __le64 LeaseDuration; 1240 } __packed; 1241 1242 /* See MS-SMB2 2.2.13.2.10 */ 1243 struct lease_context_v2 { 1244 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 1245 __le32 LeaseState; 1246 __le32 LeaseFlags; 1247 __le64 LeaseDuration; 1248 __u8 ParentLeaseKey[SMB2_LEASE_KEY_SIZE]; 1249 __le16 Epoch; 1250 __le16 Reserved; 1251 } __packed; 1252 1253 struct create_lease { 1254 struct create_context ccontext; 1255 __u8 Name[8]; 1256 struct lease_context lcontext; 1257 } __packed; 1258 1259 struct create_lease_v2 { 1260 struct create_context ccontext; 1261 __u8 Name[8]; 1262 struct lease_context_v2 lcontext; 1263 __u8 Pad[4]; 1264 } __packed; 1265 1266 /* See MS-SMB2 2.2.14.2.9 */ 1267 struct create_disk_id_rsp { 1268 struct create_context ccontext; 1269 __u8 Name[8]; 1270 __le64 DiskFileId; 1271 __le64 VolumeId; 1272 __u8 Reserved[16]; 1273 } __packed; 1274 1275 /* See MS-SMB2 2.2.13.2.13 */ 1276 struct create_app_inst_id { 1277 struct create_context ccontext; 1278 __u8 Name[16]; 1279 __le32 StructureSize; /* Must be 20 */ 1280 __u16 Reserved; 1281 __u8 AppInstanceId[16]; 1282 } __packed; 1283 1284 /* See MS-SMB2 2.2.13.2.15 */ 1285 struct create_app_inst_id_vers { 1286 struct create_context ccontext; 1287 __u8 Name[16]; 1288 __le32 StructureSize; /* Must be 24 */ 1289 __u16 Reserved; 1290 __u32 Padding; 1291 __le64 AppInstanceVersionHigh; 1292 __le64 AppInstanceVersionLow; 1293 } __packed; 1294 1295 /* See MS-SMB2 2.2.31 and 2.2.32 */ 1296 struct smb2_ioctl_req { 1297 struct smb2_hdr hdr; 1298 __le16 StructureSize; /* Must be 57 */ 1299 __le16 Reserved; /* offset from start of SMB2 header to write data */ 1300 __le32 CtlCode; 1301 __u64 PersistentFileId; 1302 __u64 VolatileFileId; 1303 __le32 InputOffset; /* Reserved MBZ */ 1304 __le32 InputCount; 1305 __le32 MaxInputResponse; 1306 __le32 OutputOffset; 1307 __le32 OutputCount; 1308 __le32 MaxOutputResponse; 1309 __le32 Flags; 1310 __le32 Reserved2; 1311 __u8 Buffer[]; 1312 } __packed; 1313 1314 struct smb2_ioctl_rsp { 1315 struct smb2_hdr hdr; 1316 __le16 StructureSize; /* Must be 49 */ 1317 __le16 Reserved; 1318 __le32 CtlCode; 1319 __u64 PersistentFileId; 1320 __u64 VolatileFileId; 1321 __le32 InputOffset; /* Reserved MBZ */ 1322 __le32 InputCount; 1323 __le32 OutputOffset; 1324 __le32 OutputCount; 1325 __le32 Flags; 1326 __le32 Reserved2; 1327 __u8 Buffer[]; 1328 } __packed; 1329 1330 /* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */ 1331 struct file_zero_data_information { 1332 __le64 FileOffset; 1333 __le64 BeyondFinalZero; 1334 } __packed; 1335 1336 /* See MS-FSCC 2.3.7 */ 1337 struct duplicate_extents_to_file { 1338 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 1339 __u64 VolatileFileHandle; 1340 __le64 SourceFileOffset; 1341 __le64 TargetFileOffset; 1342 __le64 ByteCount; /* Bytes to be copied */ 1343 } __packed; 1344 1345 /* See MS-FSCC 2.3.8 */ 1346 #define DUPLICATE_EXTENTS_DATA_EX_SOURCE_ATOMIC 0x00000001 1347 struct duplicate_extents_to_file_ex { 1348 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 1349 __u64 VolatileFileHandle; 1350 __le64 SourceFileOffset; 1351 __le64 TargetFileOffset; 1352 __le64 ByteCount; /* Bytes to be copied */ 1353 __le32 Flags; 1354 __le32 Reserved; 1355 } __packed; 1356 1357 1358 /* See MS-FSCC 2.3.20 */ 1359 struct fsctl_get_integrity_information_rsp { 1360 __le16 ChecksumAlgorithm; 1361 __le16 Reserved; 1362 __le32 Flags; 1363 __le32 ChecksumChunkSizeInBytes; 1364 __le32 ClusterSizeInBytes; 1365 } __packed; 1366 1367 /* See MS-FSCC 2.3.55 */ 1368 struct fsctl_query_file_regions_req { 1369 __le64 FileOffset; 1370 __le64 Length; 1371 __le32 DesiredUsage; 1372 __le32 Reserved; 1373 } __packed; 1374 1375 /* DesiredUsage flags see MS-FSCC 2.3.56.1 */ 1376 #define FILE_USAGE_INVALID_RANGE 0x00000000 1377 #define FILE_USAGE_VALID_CACHED_DATA 0x00000001 1378 #define FILE_USAGE_NONCACHED_DATA 0x00000002 1379 1380 struct file_region_info { 1381 __le64 FileOffset; 1382 __le64 Length; 1383 __le32 DesiredUsage; 1384 __le32 Reserved; 1385 } __packed; 1386 1387 /* See MS-FSCC 2.3.56 */ 1388 struct fsctl_query_file_region_rsp { 1389 __le32 Flags; 1390 __le32 TotalRegionEntryCount; 1391 __le32 RegionEntryCount; 1392 __u32 Reserved; 1393 struct file_region_info Regions[]; 1394 } __packed; 1395 1396 /* See MS-FSCC 2.3.58 */ 1397 struct fsctl_query_on_disk_vol_info_rsp { 1398 __le64 DirectoryCount; 1399 __le64 FileCount; 1400 __le16 FsFormatMajVersion; 1401 __le16 FsFormatMinVersion; 1402 __u8 FsFormatName[24]; 1403 __le64 FormatTime; 1404 __le64 LastUpdateTime; 1405 __u8 CopyrightInfo[68]; 1406 __u8 AbstractInfo[68]; 1407 __u8 FormatImplInfo[68]; 1408 __u8 LastModifyImplInfo[68]; 1409 } __packed; 1410 1411 /* See MS-FSCC 2.3.73 */ 1412 struct fsctl_set_integrity_information_req { 1413 __le16 ChecksumAlgorithm; 1414 __le16 Reserved; 1415 __le32 Flags; 1416 } __packed; 1417 1418 /* See MS-FSCC 2.3.75 */ 1419 struct fsctl_set_integrity_info_ex_req { 1420 __u8 EnableIntegrity; 1421 __u8 KeepState; 1422 __u16 Reserved; 1423 __le32 Flags; 1424 __u8 Version; 1425 __u8 Reserved2[7]; 1426 } __packed; 1427 1428 /* Integrity ChecksumAlgorithm choices for above */ 1429 #define CHECKSUM_TYPE_NONE 0x0000 1430 #define CHECKSUM_TYPE_CRC64 0x0002 1431 #define CHECKSUM_TYPE_UNCHANGED 0xFFFF /* set only */ 1432 1433 /* Integrity flags for above */ 1434 #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x00000001 1435 1436 /* Reparse structures - see MS-FSCC 2.1.2 */ 1437 1438 /* struct fsctl_reparse_info_req is empty, only response structs (see below) */ 1439 struct reparse_data_buffer { 1440 __le32 ReparseTag; 1441 __le16 ReparseDataLength; 1442 __u16 Reserved; 1443 __u8 DataBuffer[]; /* Variable Length */ 1444 } __packed; 1445 1446 struct reparse_guid_data_buffer { 1447 __le32 ReparseTag; 1448 __le16 ReparseDataLength; 1449 __u16 Reserved; 1450 __u8 ReparseGuid[16]; 1451 __u8 DataBuffer[]; /* Variable Length */ 1452 } __packed; 1453 1454 struct reparse_mount_point_data_buffer { 1455 __le32 ReparseTag; 1456 __le16 ReparseDataLength; 1457 __u16 Reserved; 1458 __le16 SubstituteNameOffset; 1459 __le16 SubstituteNameLength; 1460 __le16 PrintNameOffset; 1461 __le16 PrintNameLength; 1462 __u8 PathBuffer[]; /* Variable Length */ 1463 } __packed; 1464 1465 #define SYMLINK_FLAG_RELATIVE 0x00000001 1466 1467 struct reparse_symlink_data_buffer { 1468 __le32 ReparseTag; 1469 __le16 ReparseDataLength; 1470 __u16 Reserved; 1471 __le16 SubstituteNameOffset; 1472 __le16 SubstituteNameLength; 1473 __le16 PrintNameOffset; 1474 __le16 PrintNameLength; 1475 __le32 Flags; 1476 __u8 PathBuffer[]; /* Variable Length */ 1477 } __packed; 1478 1479 /* See MS-FSCC 2.1.2.6 and cifspdu.h for struct reparse_posix_data */ 1480 1481 struct validate_negotiate_info_req { 1482 __le32 Capabilities; 1483 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1484 __le16 SecurityMode; 1485 __le16 DialectCount; 1486 __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */ 1487 } __packed; 1488 1489 struct validate_negotiate_info_rsp { 1490 __le32 Capabilities; 1491 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1492 __le16 SecurityMode; 1493 __le16 Dialect; /* Dialect in use for the connection */ 1494 } __packed; 1495 1496 1497 /* Possible InfoType values */ 1498 #define SMB2_O_INFO_FILE 0x01 1499 #define SMB2_O_INFO_FILESYSTEM 0x02 1500 #define SMB2_O_INFO_SECURITY 0x03 1501 #define SMB2_O_INFO_QUOTA 0x04 1502 1503 /* SMB2 Query Info see MS-SMB2 (2.2.37) or MS-DTYP */ 1504 1505 /* List of QUERY INFO levels (those also valid for QUERY_DIR are noted below */ 1506 #define FILE_DIRECTORY_INFORMATION 1 /* also for QUERY_DIR */ 1507 #define FILE_FULL_DIRECTORY_INFORMATION 2 /* also for QUERY_DIR */ 1508 #define FILE_BOTH_DIRECTORY_INFORMATION 3 /* also for QUERY_DIR */ 1509 #define FILE_BASIC_INFORMATION 4 1510 #define FILE_STANDARD_INFORMATION 5 1511 #define FILE_INTERNAL_INFORMATION 6 1512 #define FILE_EA_INFORMATION 7 1513 #define FILE_ACCESS_INFORMATION 8 1514 #define FILE_NAME_INFORMATION 9 1515 #define FILE_RENAME_INFORMATION 10 1516 #define FILE_LINK_INFORMATION 11 1517 #define FILE_NAMES_INFORMATION 12 /* also for QUERY_DIR */ 1518 #define FILE_DISPOSITION_INFORMATION 13 1519 #define FILE_POSITION_INFORMATION 14 1520 #define FILE_FULL_EA_INFORMATION 15 1521 #define FILE_MODE_INFORMATION 16 1522 #define FILE_ALIGNMENT_INFORMATION 17 1523 #define FILE_ALL_INFORMATION 18 1524 #define FILE_ALLOCATION_INFORMATION 19 1525 #define FILE_END_OF_FILE_INFORMATION 20 1526 #define FILE_ALTERNATE_NAME_INFORMATION 21 1527 #define FILE_STREAM_INFORMATION 22 1528 #define FILE_PIPE_INFORMATION 23 1529 #define FILE_PIPE_LOCAL_INFORMATION 24 1530 #define FILE_PIPE_REMOTE_INFORMATION 25 1531 #define FILE_MAILSLOT_QUERY_INFORMATION 26 1532 #define FILE_MAILSLOT_SET_INFORMATION 27 1533 #define FILE_COMPRESSION_INFORMATION 28 1534 #define FILE_OBJECT_ID_INFORMATION 29 1535 /* Number 30 not defined in documents */ 1536 #define FILE_MOVE_CLUSTER_INFORMATION 31 1537 #define FILE_QUOTA_INFORMATION 32 1538 #define FILE_REPARSE_POINT_INFORMATION 33 1539 #define FILE_NETWORK_OPEN_INFORMATION 34 1540 #define FILE_ATTRIBUTE_TAG_INFORMATION 35 1541 #define FILE_TRACKING_INFORMATION 36 1542 #define FILEID_BOTH_DIRECTORY_INFORMATION 37 /* also for QUERY_DIR */ 1543 #define FILEID_FULL_DIRECTORY_INFORMATION 38 /* also for QUERY_DIR */ 1544 #define FILE_VALID_DATA_LENGTH_INFORMATION 39 1545 #define FILE_SHORT_NAME_INFORMATION 40 1546 #define FILE_SFIO_RESERVE_INFORMATION 44 1547 #define FILE_SFIO_VOLUME_INFORMATION 45 1548 #define FILE_HARD_LINK_INFORMATION 46 1549 #define FILE_NORMALIZED_NAME_INFORMATION 48 1550 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50 1551 #define FILE_STANDARD_LINK_INFORMATION 54 1552 #define FILE_ID_INFORMATION 59 1553 #define FILE_ID_EXTD_DIRECTORY_INFORMATION 60 /* also for QUERY_DIR */ 1554 /* Used for Query Info and Find File POSIX Info for SMB3.1.1 and SMB1 */ 1555 #define SMB_FIND_FILE_POSIX_INFO 0x064 1556 1557 /* Security info type additionalinfo flags. */ 1558 #define OWNER_SECINFO 0x00000001 1559 #define GROUP_SECINFO 0x00000002 1560 #define DACL_SECINFO 0x00000004 1561 #define SACL_SECINFO 0x00000008 1562 #define LABEL_SECINFO 0x00000010 1563 #define ATTRIBUTE_SECINFO 0x00000020 1564 #define SCOPE_SECINFO 0x00000040 1565 #define BACKUP_SECINFO 0x00010000 1566 #define UNPROTECTED_SACL_SECINFO 0x10000000 1567 #define UNPROTECTED_DACL_SECINFO 0x20000000 1568 #define PROTECTED_SACL_SECINFO 0x40000000 1569 #define PROTECTED_DACL_SECINFO 0x80000000 1570 1571 /* Flags used for FileFullEAinfo */ 1572 #define SL_RESTART_SCAN 0x00000001 1573 #define SL_RETURN_SINGLE_ENTRY 0x00000002 1574 #define SL_INDEX_SPECIFIED 0x00000004 1575 1576 struct smb2_query_info_req { 1577 struct smb2_hdr hdr; 1578 __le16 StructureSize; /* Must be 41 */ 1579 __u8 InfoType; 1580 __u8 FileInfoClass; 1581 __le32 OutputBufferLength; 1582 __le16 InputBufferOffset; 1583 __u16 Reserved; 1584 __le32 InputBufferLength; 1585 __le32 AdditionalInformation; 1586 __le32 Flags; 1587 __u64 PersistentFileId; 1588 __u64 VolatileFileId; 1589 __u8 Buffer[]; 1590 } __packed; 1591 1592 struct smb2_query_info_rsp { 1593 struct smb2_hdr hdr; 1594 __le16 StructureSize; /* Must be 9 */ 1595 __le16 OutputBufferOffset; 1596 __le32 OutputBufferLength; 1597 __u8 Buffer[]; 1598 } __packed; 1599 1600 /* 1601 * PDU query infolevel structure definitions 1602 */ 1603 1604 /* See MS-FSCC 2.3.52 */ 1605 struct file_allocated_range_buffer { 1606 __le64 file_offset; 1607 __le64 length; 1608 } __packed; 1609 1610 struct smb2_file_internal_info { 1611 __le64 IndexNumber; 1612 } __packed; /* level 6 Query */ 1613 1614 struct smb2_file_rename_info { /* encoding of request for level 10 */ 1615 __u8 ReplaceIfExists; /* 1 = replace existing target with new */ 1616 /* 0 = fail if target already exists */ 1617 __u8 Reserved[7]; 1618 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1619 __le32 FileNameLength; 1620 char FileName[]; /* New name to be assigned */ 1621 /* padding - overall struct size must be >= 24 so filename + pad >= 6 */ 1622 } __packed; /* level 10 Set */ 1623 1624 struct smb2_file_link_info { /* encoding of request for level 11 */ 1625 __u8 ReplaceIfExists; /* 1 = replace existing link with new */ 1626 /* 0 = fail if link already exists */ 1627 __u8 Reserved[7]; 1628 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1629 __le32 FileNameLength; 1630 char FileName[]; /* Name to be assigned to new link */ 1631 } __packed; /* level 11 Set */ 1632 1633 /* 1634 * This level 18, although with struct with same name is different from cifs 1635 * level 0x107. Level 0x107 has an extra u64 between AccessFlags and 1636 * CurrentByteOffset. 1637 */ 1638 struct smb2_file_all_info { /* data block encoding of response to level 18 */ 1639 __le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */ 1640 __le64 LastAccessTime; 1641 __le64 LastWriteTime; 1642 __le64 ChangeTime; 1643 __le32 Attributes; 1644 __u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */ 1645 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 1646 __le64 EndOfFile; /* size ie offset to first free byte in file */ 1647 __le32 NumberOfLinks; /* hard links */ 1648 __u8 DeletePending; 1649 __u8 Directory; 1650 __u16 Pad2; /* End of FILE_STANDARD_INFO equivalent */ 1651 __le64 IndexNumber; 1652 __le32 EASize; 1653 __le32 AccessFlags; 1654 __le64 CurrentByteOffset; 1655 __le32 Mode; 1656 __le32 AlignmentRequirement; 1657 __le32 FileNameLength; 1658 union { 1659 char __pad; /* Legacy structure padding */ 1660 DECLARE_FLEX_ARRAY(char, FileName); 1661 }; 1662 } __packed; /* level 18 Query */ 1663 1664 struct smb2_file_eof_info { /* encoding of request for level 10 */ 1665 __le64 EndOfFile; /* new end of file value */ 1666 } __packed; /* level 20 Set */ 1667 1668 /* Level 100 query info */ 1669 struct smb311_posix_qinfo { 1670 __le64 CreationTime; 1671 __le64 LastAccessTime; 1672 __le64 LastWriteTime; 1673 __le64 ChangeTime; 1674 __le64 EndOfFile; 1675 __le64 AllocationSize; 1676 __le32 DosAttributes; 1677 __le64 Inode; 1678 __le32 DeviceId; 1679 __le32 Zero; 1680 /* beginning of POSIX Create Context Response */ 1681 __le32 HardLinks; 1682 __le32 ReparseTag; 1683 __le32 Mode; 1684 u8 Sids[]; 1685 /* 1686 * var sized owner SID 1687 * var sized group SID 1688 * le32 filenamelength 1689 * u8 filename[] 1690 */ 1691 } __packed; 1692 1693 /* File System Information Classes */ 1694 #define FS_VOLUME_INFORMATION 1 /* Query */ 1695 #define FS_LABEL_INFORMATION 2 /* Set */ 1696 #define FS_SIZE_INFORMATION 3 /* Query */ 1697 #define FS_DEVICE_INFORMATION 4 /* Query */ 1698 #define FS_ATTRIBUTE_INFORMATION 5 /* Query */ 1699 #define FS_CONTROL_INFORMATION 6 /* Query, Set */ 1700 #define FS_FULL_SIZE_INFORMATION 7 /* Query */ 1701 #define FS_OBJECT_ID_INFORMATION 8 /* Query, Set */ 1702 #define FS_DRIVER_PATH_INFORMATION 9 /* Query */ 1703 #define FS_SECTOR_SIZE_INFORMATION 11 /* SMB3 or later. Query */ 1704 #define FS_POSIX_INFORMATION 100 /* SMB3.1.1 POSIX. Query */ 1705 1706 struct smb2_fs_full_size_info { 1707 __le64 TotalAllocationUnits; 1708 __le64 CallerAvailableAllocationUnits; 1709 __le64 ActualAvailableAllocationUnits; 1710 __le32 SectorsPerAllocationUnit; 1711 __le32 BytesPerSector; 1712 } __packed; 1713 1714 #define SSINFO_FLAGS_ALIGNED_DEVICE 0x00000001 1715 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002 1716 #define SSINFO_FLAGS_NO_SEEK_PENALTY 0x00000004 1717 #define SSINFO_FLAGS_TRIM_ENABLED 0x00000008 1718 1719 /* sector size info struct */ 1720 struct smb3_fs_ss_info { 1721 __le32 LogicalBytesPerSector; 1722 __le32 PhysicalBytesPerSectorForAtomicity; 1723 __le32 PhysicalBytesPerSectorForPerf; 1724 __le32 FSEffPhysicalBytesPerSectorForAtomicity; 1725 __le32 Flags; 1726 __le32 ByteOffsetForSectorAlignment; 1727 __le32 ByteOffsetForPartitionAlignment; 1728 } __packed; 1729 1730 /* File System Control Information */ 1731 struct smb2_fs_control_info { 1732 __le64 FreeSpaceStartFiltering; 1733 __le64 FreeSpaceThreshold; 1734 __le64 FreeSpaceStopFiltering; 1735 __le64 DefaultQuotaThreshold; 1736 __le64 DefaultQuotaLimit; 1737 __le32 FileSystemControlFlags; 1738 __le32 Padding; 1739 } __packed; 1740 1741 /* volume info struct - see MS-FSCC 2.5.9 */ 1742 #define MAX_VOL_LABEL_LEN 32 1743 struct smb3_fs_vol_info { 1744 __le64 VolumeCreationTime; 1745 __u32 VolumeSerialNumber; 1746 __le32 VolumeLabelLength; /* includes trailing null */ 1747 __u8 SupportsObjects; /* True if eg like NTFS, supports objects */ 1748 __u8 Reserved; 1749 __u8 VolumeLabel[]; /* variable len */ 1750 } __packed; 1751 1752 /* See MS-SMB2 2.2.23 through 2.2.25 */ 1753 struct smb2_oplock_break { 1754 struct smb2_hdr hdr; 1755 __le16 StructureSize; /* Must be 24 */ 1756 __u8 OplockLevel; 1757 __u8 Reserved; 1758 __le32 Reserved2; 1759 __u64 PersistentFid; 1760 __u64 VolatileFid; 1761 } __packed; 1762 1763 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01) 1764 1765 struct smb2_lease_break { 1766 struct smb2_hdr hdr; 1767 __le16 StructureSize; /* Must be 44 */ 1768 __le16 Epoch; 1769 __le32 Flags; 1770 __u8 LeaseKey[16]; 1771 __le32 CurrentLeaseState; 1772 __le32 NewLeaseState; 1773 __le32 BreakReason; 1774 __le32 AccessMaskHint; 1775 __le32 ShareMaskHint; 1776 } __packed; 1777 1778 struct smb2_lease_ack { 1779 struct smb2_hdr hdr; 1780 __le16 StructureSize; /* Must be 36 */ 1781 __le16 Reserved; 1782 __le32 Flags; 1783 __u8 LeaseKey[16]; 1784 __le32 LeaseState; 1785 __le64 LeaseDuration; 1786 } __packed; 1787 1788 #define OP_BREAK_STRUCT_SIZE_20 24 1789 #define OP_BREAK_STRUCT_SIZE_21 36 1790 #endif /* _COMMON_SMB2PDU_H */ 1791
