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 specification. 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 #define SMB2_SERVER_TO_CLIENT_NOTIFICATION 0x0013 38 39 /* The same list in little endian */ 40 #define SMB2_NEGOTIATE cpu_to_le16(SMB2_NEGOTIATE_HE) 41 #define SMB2_SESSION_SETUP cpu_to_le16(SMB2_SESSION_SETUP_HE) 42 #define SMB2_LOGOFF cpu_to_le16(SMB2_LOGOFF_HE) 43 #define SMB2_TREE_CONNECT cpu_to_le16(SMB2_TREE_CONNECT_HE) 44 #define SMB2_TREE_DISCONNECT cpu_to_le16(SMB2_TREE_DISCONNECT_HE) 45 #define SMB2_CREATE cpu_to_le16(SMB2_CREATE_HE) 46 #define SMB2_CLOSE cpu_to_le16(SMB2_CLOSE_HE) 47 #define SMB2_FLUSH cpu_to_le16(SMB2_FLUSH_HE) 48 #define SMB2_READ cpu_to_le16(SMB2_READ_HE) 49 #define SMB2_WRITE cpu_to_le16(SMB2_WRITE_HE) 50 #define SMB2_LOCK cpu_to_le16(SMB2_LOCK_HE) 51 #define SMB2_IOCTL cpu_to_le16(SMB2_IOCTL_HE) 52 #define SMB2_CANCEL cpu_to_le16(SMB2_CANCEL_HE) 53 #define SMB2_ECHO cpu_to_le16(SMB2_ECHO_HE) 54 #define SMB2_QUERY_DIRECTORY cpu_to_le16(SMB2_QUERY_DIRECTORY_HE) 55 #define SMB2_CHANGE_NOTIFY cpu_to_le16(SMB2_CHANGE_NOTIFY_HE) 56 #define SMB2_QUERY_INFO cpu_to_le16(SMB2_QUERY_INFO_HE) 57 #define SMB2_SET_INFO cpu_to_le16(SMB2_SET_INFO_HE) 58 #define SMB2_OPLOCK_BREAK cpu_to_le16(SMB2_OPLOCK_BREAK_HE) 59 60 #define SMB2_INTERNAL_CMD cpu_to_le16(0xFFFF) 61 62 #define NUMBER_OF_SMB2_COMMANDS 0x0013 63 64 /* 65 * Size of the session key (crypto key encrypted with the password 66 */ 67 #define SMB2_NTLMV2_SESSKEY_SIZE 16 68 #define SMB2_SIGNATURE_SIZE 16 69 #define SMB2_HMACSHA256_SIZE 32 70 #define SMB2_CMACAES_SIZE 16 71 #define SMB3_GCM128_CRYPTKEY_SIZE 16 72 #define SMB3_GCM256_CRYPTKEY_SIZE 32 73 74 /* 75 * Size of the smb3 encryption/decryption keys 76 * This size is big enough to store any cipher key types. 77 */ 78 #define SMB3_ENC_DEC_KEY_SIZE 32 79 80 /* 81 * Size of the smb3 signing key 82 */ 83 #define SMB3_SIGN_KEY_SIZE 16 84 85 #define CIFS_CLIENT_CHALLENGE_SIZE 8 86 87 /* Maximum buffer size value we can send with 1 credit */ 88 #define SMB2_MAX_BUFFER_SIZE 65536 89 90 /* 91 * The default wsize is 1M for SMB2 (and for some CIFS cases). 92 * find_get_pages seems to return a maximum of 256 93 * pages in a single call. With PAGE_SIZE == 4k, this means we can 94 * fill a single wsize request with a single call. 95 */ 96 #define SMB3_DEFAULT_IOSIZE (4 * 1024 * 1024) 97 98 /* 99 * SMB2 Header Definition 100 * 101 * "MBZ" : Must be Zero 102 * "BB" : BugBug, Something to check/review/analyze later 103 * "PDU" : "Protocol Data Unit" (ie a network "frame") 104 * 105 */ 106 107 #define __SMB2_HEADER_STRUCTURE_SIZE 64 108 #define SMB2_HEADER_STRUCTURE_SIZE \ 109 cpu_to_le16(__SMB2_HEADER_STRUCTURE_SIZE) 110 111 #define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe) 112 #define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd) 113 #define SMB2_COMPRESSION_TRANSFORM_ID cpu_to_le32(0x424d53fc) 114 115 /* 116 * SMB2 flag definitions 117 */ 118 #define SMB2_FLAGS_SERVER_TO_REDIR cpu_to_le32(0x00000001) 119 #define SMB2_FLAGS_ASYNC_COMMAND cpu_to_le32(0x00000002) 120 #define SMB2_FLAGS_RELATED_OPERATIONS cpu_to_le32(0x00000004) 121 #define SMB2_FLAGS_SIGNED cpu_to_le32(0x00000008) 122 #define SMB2_FLAGS_PRIORITY_MASK cpu_to_le32(0x00000070) /* SMB3.1.1 */ 123 #define SMB2_FLAGS_DFS_OPERATIONS cpu_to_le32(0x10000000) 124 #define SMB2_FLAGS_REPLAY_OPERATION cpu_to_le32(0x20000000) /* SMB3 & up */ 125 126 /* 127 * Definitions for SMB2 Protocol Data Units (network frames) 128 * 129 * See MS-SMB2.PDF specification for protocol details. 130 * The Naming convention is the lower case version of the SMB2 131 * command code name for the struct. Note that structures must be packed. 132 * 133 */ 134 135 /* See MS-SMB2 section 2.2.1 */ 136 struct smb2_hdr { 137 __le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */ 138 __le16 StructureSize; /* 64 */ 139 __le16 CreditCharge; /* MBZ */ 140 __le32 Status; /* Error from server */ 141 __le16 Command; 142 __le16 CreditRequest; /* CreditResponse */ 143 __le32 Flags; 144 __le32 NextCommand; 145 __le64 MessageId; 146 union { 147 struct { 148 __le32 ProcessId; 149 __le32 TreeId; 150 } __packed SyncId; 151 __le64 AsyncId; 152 } __packed Id; 153 __le64 SessionId; 154 __u8 Signature[16]; 155 } __packed; 156 157 struct smb3_hdr_req { 158 __le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */ 159 __le16 StructureSize; /* 64 */ 160 __le16 CreditCharge; /* MBZ */ 161 __le16 ChannelSequence; /* See MS-SMB2 3.2.4.1 and 3.2.7.1 */ 162 __le16 Reserved; 163 __le16 Command; 164 __le16 CreditRequest; /* CreditResponse */ 165 __le32 Flags; 166 __le32 NextCommand; 167 __le64 MessageId; 168 union { 169 struct { 170 __le32 ProcessId; 171 __le32 TreeId; 172 } __packed SyncId; 173 __le64 AsyncId; 174 } __packed Id; 175 __le64 SessionId; 176 __u8 Signature[16]; 177 } __packed; 178 179 struct smb2_pdu { 180 struct smb2_hdr hdr; 181 __le16 StructureSize2; /* size of wct area (varies, request specific) */ 182 } __packed; 183 184 #define SMB2_ERROR_STRUCTURE_SIZE2 9 185 #define SMB2_ERROR_STRUCTURE_SIZE2_LE cpu_to_le16(SMB2_ERROR_STRUCTURE_SIZE2) 186 187 struct smb2_err_rsp { 188 struct smb2_hdr hdr; 189 __le16 StructureSize; 190 __u8 ErrorContextCount; 191 __u8 Reserved; 192 __le32 ByteCount; /* even if zero, at least one byte follows */ 193 __u8 ErrorData[]; /* variable length */ 194 } __packed; 195 196 #define SMB3_AES_CCM_NONCE 11 197 #define SMB3_AES_GCM_NONCE 12 198 199 /* Transform flags (for 3.0 dialect this flag indicates CCM */ 200 #define TRANSFORM_FLAG_ENCRYPTED 0x0001 201 struct smb2_transform_hdr { 202 __le32 ProtocolId; /* 0xFD 'S' 'M' 'B' */ 203 __u8 Signature[16]; 204 __u8 Nonce[16]; 205 __le32 OriginalMessageSize; 206 __u16 Reserved1; 207 __le16 Flags; /* EncryptionAlgorithm for 3.0, enc enabled for 3.1.1 */ 208 __le64 SessionId; 209 } __packed; 210 211 /* 212 * These are simplified versions from the spec, as we don't need a fully fledged 213 * form of both unchained and chained structs. 214 * 215 * Moreover, even in chained compressed payloads, the initial compression header 216 * has the form of the unchained one -- i.e. it never has the 217 * OriginalPayloadSize field and ::Offset field always represent an offset 218 * (instead of a length, as it is in the chained header). 219 * 220 * See MS-SMB2 2.2.42 for more details. 221 */ 222 #define SMB2_COMPRESSION_FLAG_NONE 0x0000 223 #define SMB2_COMPRESSION_FLAG_CHAINED 0x0001 224 225 struct smb2_compression_hdr { 226 __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */ 227 __le32 OriginalCompressedSegmentSize; 228 __le16 CompressionAlgorithm; 229 __le16 Flags; 230 __le32 Offset; /* this is the size of the uncompressed SMB2 header below */ 231 /* uncompressed SMB2 header (READ or WRITE) goes here */ 232 /* compressed data goes here */ 233 } __packed; 234 235 /* 236 * ... OTOH, set compression payload header to always have OriginalPayloadSize 237 * as it's easier to pass the struct size minus sizeof(OriginalPayloadSize) 238 * than to juggle around the header/data memory. 239 */ 240 struct smb2_compression_payload_hdr { 241 __le16 CompressionAlgorithm; 242 __le16 Flags; 243 __le32 Length; /* length of compressed playload including field below if present */ 244 __le32 OriginalPayloadSize; /* accounted when LZNT1, LZ77, LZ77+Huffman */ 245 } __packed; 246 247 struct smb2_compression_pattern_v1 { 248 __u8 Pattern; 249 __u8 Reserved1; 250 __le16 Reserved2; 251 __le32 Repetitions; 252 } __packed; 253 254 /* See MS-SMB2 section 2.2.9.2 */ 255 /* Context Types */ 256 #define SMB2_RESERVED_TREE_CONNECT_CONTEXT_ID 0x0000 257 #define SMB2_REMOTED_IDENTITY_TREE_CONNECT_CONTEXT_ID cpu_to_le16(0x0001) 258 259 struct tree_connect_contexts { 260 __le16 ContextType; 261 __le16 DataLength; 262 __le32 Reserved; 263 __u8 Data[]; 264 } __packed; 265 266 /* Remoted identity tree connect context structures - see MS-SMB2 2.2.9.2.1 */ 267 struct smb3_blob_data { 268 __le16 BlobSize; 269 __u8 BlobData[]; 270 } __packed; 271 272 /* Valid values for Attr */ 273 #define SE_GROUP_MANDATORY 0x00000001 274 #define SE_GROUP_ENABLED_BY_DEFAULT 0x00000002 275 #define SE_GROUP_ENABLED 0x00000004 276 #define SE_GROUP_OWNER 0x00000008 277 #define SE_GROUP_USE_FOR_DENY_ONLY 0x00000010 278 #define SE_GROUP_INTEGRITY 0x00000020 279 #define SE_GROUP_INTEGRITY_ENABLED 0x00000040 280 #define SE_GROUP_RESOURCE 0x20000000 281 #define SE_GROUP_LOGON_ID 0xC0000000 282 283 struct sid_array_data { 284 __le16 SidAttrCount; 285 /* SidAttrList - array of sid_attr_data structs */ 286 } __packed; 287 288 /* struct sid_attr_data is SidData array in BlobData format then le32 Attr */ 289 struct sid_attr_data { 290 __le16 BlobSize; 291 __u8 BlobData[]; 292 /* __le32 Attr */ 293 } __packed; 294 295 /* 296 * struct privilege_data is the same as BLOB_DATA - see MS-SMB2 2.2.9.2.1.5 297 * but with size of LUID_ATTR_DATA struct and BlobData set to LUID_ATTR DATA 298 */ 299 300 struct privilege_array_data { 301 __le16 PrivilegeCount; 302 /* array of privilege_data structs */ 303 } __packed; 304 305 struct remoted_identity_tcon_context { 306 __le16 TicketType; /* must be 0x0001 */ 307 __le16 TicketSize; /* total size of this struct */ 308 __le16 User; /* offset to SID_ATTR_DATA struct with user info */ 309 __le16 UserName; /* offset to null terminated Unicode username string */ 310 __le16 Domain; /* offset to null terminated Unicode domain name */ 311 __le16 Groups; /* offset to SID_ARRAY_DATA struct with group info */ 312 __le16 RestrictedGroups; /* similar to above */ 313 __le16 Privileges; /* offset to PRIVILEGE_ARRAY_DATA struct */ 314 __le16 PrimaryGroup; /* offset to SID_ARRAY_DATA struct */ 315 __le16 Owner; /* offset to BLOB_DATA struct */ 316 __le16 DefaultDacl; /* offset to BLOB_DATA struct */ 317 __le16 DeviceGroups; /* offset to SID_ARRAY_DATA struct */ 318 __le16 UserClaims; /* offset to BLOB_DATA struct */ 319 __le16 DeviceClaims; /* offset to BLOB_DATA struct */ 320 __u8 TicketInfo[]; /* variable length buf - remoted identity data */ 321 } __packed; 322 323 struct smb2_tree_connect_req_extension { 324 __le32 TreeConnectContextOffset; 325 __le16 TreeConnectContextCount; 326 __u8 Reserved[10]; 327 __u8 PathName[]; /* variable sized array */ 328 /* followed by array of TreeConnectContexts */ 329 } __packed; 330 331 /* Flags/Reserved for SMB3.1.1 */ 332 #define SMB2_TREE_CONNECT_FLAG_CLUSTER_RECONNECT cpu_to_le16(0x0001) 333 #define SMB2_TREE_CONNECT_FLAG_REDIRECT_TO_OWNER cpu_to_le16(0x0002) 334 #define SMB2_TREE_CONNECT_FLAG_EXTENSION_PRESENT cpu_to_le16(0x0004) 335 336 struct smb2_tree_connect_req { 337 struct smb2_hdr hdr; 338 __le16 StructureSize; /* Must be 9 */ 339 __le16 Flags; /* Flags in SMB3.1.1 */ 340 __le16 PathOffset; 341 __le16 PathLength; 342 __u8 Buffer[]; /* variable length */ 343 } __packed; 344 345 /* Possible ShareType values */ 346 #define SMB2_SHARE_TYPE_DISK 0x01 347 #define SMB2_SHARE_TYPE_PIPE 0x02 348 #define SMB2_SHARE_TYPE_PRINT 0x03 349 350 /* 351 * Possible ShareFlags - exactly one and only one of the first 4 caching flags 352 * must be set (any of the remaining, SHI1005, flags may be set individually 353 * or in combination. 354 */ 355 #define SMB2_SHAREFLAG_MANUAL_CACHING 0x00000000 356 #define SMB2_SHAREFLAG_AUTO_CACHING 0x00000010 357 #define SMB2_SHAREFLAG_VDO_CACHING 0x00000020 358 #define SMB2_SHAREFLAG_NO_CACHING 0x00000030 359 #define SHI1005_FLAGS_DFS 0x00000001 360 #define SHI1005_FLAGS_DFS_ROOT 0x00000002 361 #define SMB2_SHAREFLAG_RESTRICT_EXCLUSIVE_OPENS 0x00000100 362 #define SMB2_SHAREFLAG_FORCE_SHARED_DELETE 0x00000200 363 #define SMB2_SHAREFLAG_ALLOW_NAMESPACE_CACHING 0x00000400 364 #define SMB2_SHAREFLAG_ACCESS_BASED_DIRECTORY_ENUM 0x00000800 365 #define SMB2_SHAREFLAG_FORCE_LEVELII_OPLOCK 0x00001000 366 #define SMB2_SHAREFLAG_ENABLE_HASH_V1 0x00002000 367 #define SMB2_SHAREFLAG_ENABLE_HASH_V2 0x00004000 368 #define SHI1005_FLAGS_ENCRYPT_DATA 0x00008000 369 #define SMB2_SHAREFLAG_IDENTITY_REMOTING 0x00040000 /* 3.1.1 */ 370 #define SMB2_SHAREFLAG_COMPRESS_DATA 0x00100000 /* 3.1.1 */ 371 #define SMB2_SHAREFLAG_ISOLATED_TRANSPORT 0x00200000 372 #define SHI1005_FLAGS_ALL 0x0034FF33 373 374 /* Possible share capabilities */ 375 #define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) /* all dialects */ 376 #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */ 377 #define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */ 378 #define SMB2_SHARE_CAP_CLUSTER cpu_to_le32(0x00000040) /* 3.0 */ 379 #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */ 380 #define SMB2_SHARE_CAP_REDIRECT_TO_OWNER cpu_to_le32(0x00000100) /* 3.1.1 */ 381 382 struct smb2_tree_connect_rsp { 383 struct smb2_hdr hdr; 384 __le16 StructureSize; /* Must be 16 */ 385 __u8 ShareType; /* see below */ 386 __u8 Reserved; 387 __le32 ShareFlags; /* see below */ 388 __le32 Capabilities; /* see below */ 389 __le32 MaximalAccess; 390 } __packed; 391 392 struct smb2_tree_disconnect_req { 393 struct smb2_hdr hdr; 394 __le16 StructureSize; /* Must be 4 */ 395 __le16 Reserved; 396 } __packed; 397 398 struct smb2_tree_disconnect_rsp { 399 struct smb2_hdr hdr; 400 __le16 StructureSize; /* Must be 4 */ 401 __le16 Reserved; 402 } __packed; 403 404 405 /* 406 * SMB2_NEGOTIATE_PROTOCOL See MS-SMB2 section 2.2.3 407 */ 408 /* SecurityMode flags */ 409 #define SMB2_NEGOTIATE_SIGNING_ENABLED 0x0001 410 #define SMB2_NEGOTIATE_SIGNING_ENABLED_LE cpu_to_le16(0x0001) 411 #define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002 412 #define SMB2_NEGOTIATE_SIGNING_REQUIRED_LE cpu_to_le16(0x0002) 413 #define SMB2_SEC_MODE_FLAGS_ALL 0x0003 414 415 /* Capabilities flags */ 416 #define SMB2_GLOBAL_CAP_DFS 0x00000001 417 #define SMB2_GLOBAL_CAP_LEASING 0x00000002 /* Resp only New to SMB2.1 */ 418 #define SMB2_GLOBAL_CAP_LARGE_MTU 0x00000004 /* Resp only New to SMB2.1 */ 419 #define SMB2_GLOBAL_CAP_MULTI_CHANNEL 0x00000008 /* New to SMB3 */ 420 #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */ 421 #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING 0x00000020 /* New to SMB3 */ 422 #define SMB2_GLOBAL_CAP_ENCRYPTION 0x00000040 /* New to SMB3 */ 423 #define SMB2_GLOBAL_CAP_NOTIFICATIONS 0x00000080 /* New to SMB3.1.1 */ 424 /* Internal types */ 425 #define SMB2_NT_FIND 0x00100000 426 #define SMB2_LARGE_FILES 0x00200000 427 428 #define SMB2_CLIENT_GUID_SIZE 16 429 #define SMB2_CREATE_GUID_SIZE 16 430 431 /* Dialects */ 432 #define SMB10_PROT_ID 0x0000 /* local only, not sent on wire w/CIFS negprot */ 433 #define SMB20_PROT_ID 0x0202 434 #define SMB21_PROT_ID 0x0210 435 #define SMB2X_PROT_ID 0x02FF 436 #define SMB30_PROT_ID 0x0300 437 #define SMB302_PROT_ID 0x0302 438 #define SMB311_PROT_ID 0x0311 439 #define BAD_PROT_ID 0xFFFF 440 441 #define SMB311_SALT_SIZE 32 442 /* Hash Algorithm Types */ 443 #define SMB2_PREAUTH_INTEGRITY_SHA512 cpu_to_le16(0x0001) 444 #define SMB2_PREAUTH_HASH_SIZE 64 445 446 /* Negotiate Contexts - ContextTypes. See MS-SMB2 section 2.2.3.1 for details */ 447 #define SMB2_PREAUTH_INTEGRITY_CAPABILITIES cpu_to_le16(1) 448 #define SMB2_ENCRYPTION_CAPABILITIES cpu_to_le16(2) 449 #define SMB2_COMPRESSION_CAPABILITIES cpu_to_le16(3) 450 #define SMB2_NETNAME_NEGOTIATE_CONTEXT_ID cpu_to_le16(5) 451 #define SMB2_TRANSPORT_CAPABILITIES cpu_to_le16(6) 452 #define SMB2_RDMA_TRANSFORM_CAPABILITIES cpu_to_le16(7) 453 #define SMB2_SIGNING_CAPABILITIES cpu_to_le16(8) 454 #define SMB2_POSIX_EXTENSIONS_AVAILABLE cpu_to_le16(0x100) 455 456 struct smb2_neg_context { 457 __le16 ContextType; 458 __le16 DataLength; 459 __le32 Reserved; 460 /* Followed by array of data. NOTE: some servers require padding to 8 byte boundary */ 461 } __packed; 462 463 /* 464 * SaltLength that the server send can be zero, so the only three required 465 * fields (all __le16) end up six bytes total, so the minimum context data len 466 * in the response is six bytes which accounts for 467 * 468 * HashAlgorithmCount, SaltLength, and 1 HashAlgorithm. 469 */ 470 #define MIN_PREAUTH_CTXT_DATA_LEN 6 471 472 struct smb2_preauth_neg_context { 473 __le16 ContextType; /* 1 */ 474 __le16 DataLength; 475 __le32 Reserved; 476 __le16 HashAlgorithmCount; /* 1 */ 477 __le16 SaltLength; 478 __le16 HashAlgorithms; /* HashAlgorithms[0] since only one defined */ 479 __u8 Salt[SMB311_SALT_SIZE]; 480 } __packed; 481 482 /* Encryption Algorithms Ciphers */ 483 #define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001) 484 #define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002) 485 #define SMB2_ENCRYPTION_AES256_CCM cpu_to_le16(0x0003) 486 #define SMB2_ENCRYPTION_AES256_GCM cpu_to_le16(0x0004) 487 488 /* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */ 489 #define MIN_ENCRYPT_CTXT_DATA_LEN 4 490 struct smb2_encryption_neg_context { 491 __le16 ContextType; /* 2 */ 492 __le16 DataLength; 493 __le32 Reserved; 494 /* CipherCount usually 2, but can be 3 when AES256-GCM enabled */ 495 __le16 CipherCount; /* AES128-GCM and AES128-CCM by default */ 496 __le16 Ciphers[]; 497 } __packed; 498 499 /* See MS-SMB2 2.2.3.1.3 */ 500 #define SMB3_COMPRESS_NONE cpu_to_le16(0x0000) 501 #define SMB3_COMPRESS_LZNT1 cpu_to_le16(0x0001) 502 #define SMB3_COMPRESS_LZ77 cpu_to_le16(0x0002) 503 #define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003) 504 /* Pattern scanning algorithm See MS-SMB2 3.1.4.4.1 */ 505 #define SMB3_COMPRESS_PATTERN cpu_to_le16(0x0004) /* Pattern_V1 */ 506 #define SMB3_COMPRESS_LZ4 cpu_to_le16(0x0005) 507 508 /* Compression Flags */ 509 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_NONE cpu_to_le32(0x00000000) 510 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_CHAINED cpu_to_le32(0x00000001) 511 512 struct smb2_compression_capabilities_context { 513 __le16 ContextType; /* 3 */ 514 __le16 DataLength; 515 __le32 Reserved; 516 __le16 CompressionAlgorithmCount; 517 __le16 Padding; 518 __le32 Flags; 519 __le16 CompressionAlgorithms[3]; 520 __u16 Pad; /* Some servers require pad to DataLen multiple of 8 */ 521 /* Check if pad needed */ 522 } __packed; 523 524 /* 525 * For smb2_netname_negotiate_context_id See MS-SMB2 2.2.3.1.4. 526 * Its struct simply contains NetName, an array of Unicode characters 527 */ 528 struct smb2_netname_neg_context { 529 __le16 ContextType; /* 5 */ 530 __le16 DataLength; 531 __le32 Reserved; 532 __le16 NetName[]; /* hostname of target converted to UCS-2 */ 533 } __packed; 534 535 /* 536 * For smb2_transport_capabilities context see MS-SMB2 2.2.3.1.5 537 * and 2.2.4.1.5 538 */ 539 540 /* Flags */ 541 #define SMB2_ACCEPT_TRANSPORT_LEVEL_SECURITY 0x00000001 542 543 struct smb2_transport_capabilities_context { 544 __le16 ContextType; /* 6 */ 545 __le16 DataLength; 546 __u32 Reserved; 547 __le32 Flags; 548 __u32 Pad; 549 } __packed; 550 551 /* 552 * For rdma transform capabilities context see MS-SMB2 2.2.3.1.6 553 * and 2.2.4.1.6 554 */ 555 556 /* RDMA Transform IDs */ 557 #define SMB2_RDMA_TRANSFORM_NONE 0x0000 558 #define SMB2_RDMA_TRANSFORM_ENCRYPTION 0x0001 559 #define SMB2_RDMA_TRANSFORM_SIGNING 0x0002 560 561 struct smb2_rdma_transform_capabilities_context { 562 __le16 ContextType; /* 7 */ 563 __le16 DataLength; 564 __u32 Reserved; 565 __le16 TransformCount; 566 __u16 Reserved1; 567 __u32 Reserved2; 568 __le16 RDMATransformIds[]; 569 } __packed; 570 571 /* 572 * For signing capabilities context see MS-SMB2 2.2.3.1.7 573 * and 2.2.4.1.7 574 */ 575 576 /* Signing algorithms */ 577 #define SIGNING_ALG_HMAC_SHA256 0 578 #define SIGNING_ALG_HMAC_SHA256_LE cpu_to_le16(0) 579 #define SIGNING_ALG_AES_CMAC 1 580 #define SIGNING_ALG_AES_CMAC_LE cpu_to_le16(1) 581 #define SIGNING_ALG_AES_GMAC 2 582 #define SIGNING_ALG_AES_GMAC_LE cpu_to_le16(2) 583 584 struct smb2_signing_capabilities { 585 __le16 ContextType; /* 8 */ 586 __le16 DataLength; 587 __le32 Reserved; 588 __le16 SigningAlgorithmCount; 589 __le16 SigningAlgorithms[]; 590 /* Followed by padding to 8 byte boundary (required by some servers) */ 591 } __packed; 592 593 #define POSIX_CTXT_DATA_LEN 16 594 struct smb2_posix_neg_context { 595 __le16 ContextType; /* 0x100 */ 596 __le16 DataLength; 597 __le32 Reserved; 598 __u8 Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */ 599 } __packed; 600 601 struct smb2_negotiate_req { 602 struct smb2_hdr hdr; 603 __le16 StructureSize; /* Must be 36 */ 604 __le16 DialectCount; 605 __le16 SecurityMode; 606 __le16 Reserved; /* MBZ */ 607 __le32 Capabilities; 608 __u8 ClientGUID[SMB2_CLIENT_GUID_SIZE]; 609 /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */ 610 __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */ 611 __le16 NegotiateContextCount; /* SMB3.1.1 only. MBZ earlier */ 612 __le16 Reserved2; 613 __le16 Dialects[]; 614 } __packed; 615 616 struct smb2_negotiate_rsp { 617 struct smb2_hdr hdr; 618 __le16 StructureSize; /* Must be 65 */ 619 __le16 SecurityMode; 620 __le16 DialectRevision; 621 __le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */ 622 __u8 ServerGUID[16]; 623 __le32 Capabilities; 624 __le32 MaxTransactSize; 625 __le32 MaxReadSize; 626 __le32 MaxWriteSize; 627 __le64 SystemTime; /* MBZ */ 628 __le64 ServerStartTime; 629 __le16 SecurityBufferOffset; 630 __le16 SecurityBufferLength; 631 __le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */ 632 __u8 Buffer[]; /* variable length GSS security buffer */ 633 } __packed; 634 635 636 /* 637 * SMB2_SESSION_SETUP See MS-SMB2 section 2.2.5 638 */ 639 /* Flags */ 640 #define SMB2_SESSION_REQ_FLAG_BINDING 0x01 641 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04 642 643 struct smb2_sess_setup_req { 644 struct smb2_hdr hdr; 645 __le16 StructureSize; /* Must be 25 */ 646 __u8 Flags; 647 __u8 SecurityMode; 648 __le32 Capabilities; 649 __le32 Channel; 650 __le16 SecurityBufferOffset; 651 __le16 SecurityBufferLength; 652 __le64 PreviousSessionId; 653 __u8 Buffer[]; /* variable length GSS security buffer */ 654 } __packed; 655 656 /* Currently defined SessionFlags */ 657 #define SMB2_SESSION_FLAG_IS_GUEST 0x0001 658 #define SMB2_SESSION_FLAG_IS_GUEST_LE cpu_to_le16(0x0001) 659 #define SMB2_SESSION_FLAG_IS_NULL 0x0002 660 #define SMB2_SESSION_FLAG_IS_NULL_LE cpu_to_le16(0x0002) 661 #define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004 662 #define SMB2_SESSION_FLAG_ENCRYPT_DATA_LE cpu_to_le16(0x0004) 663 664 struct smb2_sess_setup_rsp { 665 struct smb2_hdr hdr; 666 __le16 StructureSize; /* Must be 9 */ 667 __le16 SessionFlags; 668 __le16 SecurityBufferOffset; 669 __le16 SecurityBufferLength; 670 __u8 Buffer[]; /* variable length GSS security buffer */ 671 } __packed; 672 673 674 /* 675 * SMB2_LOGOFF See MS-SMB2 section 2.2.7 676 */ 677 struct smb2_logoff_req { 678 struct smb2_hdr hdr; 679 __le16 StructureSize; /* Must be 4 */ 680 __le16 Reserved; 681 } __packed; 682 683 struct smb2_logoff_rsp { 684 struct smb2_hdr hdr; 685 __le16 StructureSize; /* Must be 4 */ 686 __le16 Reserved; 687 } __packed; 688 689 690 /* 691 * SMB2_CLOSE See MS-SMB2 section 2.2.15 692 */ 693 /* Currently defined values for close flags */ 694 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001) 695 struct smb2_close_req { 696 struct smb2_hdr hdr; 697 __le16 StructureSize; /* Must be 24 */ 698 __le16 Flags; 699 __le32 Reserved; 700 __u64 PersistentFileId; /* opaque endianness */ 701 __u64 VolatileFileId; /* opaque endianness */ 702 } __packed; 703 704 /* 705 * Maximum size of a SMB2_CLOSE response is 64 (smb2 header) + 60 (data) 706 */ 707 #define MAX_SMB2_CLOSE_RESPONSE_SIZE 124 708 709 struct smb2_close_rsp { 710 struct smb2_hdr hdr; 711 __le16 StructureSize; /* 60 */ 712 __le16 Flags; 713 __le32 Reserved; 714 struct_group_attr(network_open_info, __packed, 715 __le64 CreationTime; 716 __le64 LastAccessTime; 717 __le64 LastWriteTime; 718 __le64 ChangeTime; 719 /* Beginning of FILE_STANDARD_INFO equivalent */ 720 __le64 AllocationSize; 721 __le64 EndOfFile; 722 __le32 Attributes; 723 ); 724 } __packed; 725 726 727 /* 728 * SMB2_READ See MS-SMB2 section 2.2.19 729 */ 730 /* For read request Flags field below, following flag is defined for SMB3.02 */ 731 #define SMB2_READFLAG_READ_UNBUFFERED 0x01 732 #define SMB2_READFLAG_REQUEST_COMPRESSED 0x02 /* See MS-SMB2 2.2.19 */ 733 734 /* Channel field for read and write: exactly one of following flags can be set*/ 735 #define SMB2_CHANNEL_NONE cpu_to_le32(0x00000000) 736 #define SMB2_CHANNEL_RDMA_V1 cpu_to_le32(0x00000001) 737 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) 738 #define SMB2_CHANNEL_RDMA_TRANSFORM cpu_to_le32(0x00000003) 739 740 /* SMB2 read request without RFC1001 length at the beginning */ 741 struct smb2_read_req { 742 struct smb2_hdr hdr; 743 __le16 StructureSize; /* Must be 49 */ 744 __u8 Padding; /* offset from start of SMB2 header to place read */ 745 __u8 Flags; /* MBZ unless SMB3.02 or later */ 746 __le32 Length; 747 __le64 Offset; 748 __u64 PersistentFileId; 749 __u64 VolatileFileId; 750 __le32 MinimumCount; 751 __le32 Channel; /* MBZ except for SMB3 or later */ 752 __le32 RemainingBytes; 753 __le16 ReadChannelInfoOffset; 754 __le16 ReadChannelInfoLength; 755 __u8 Buffer[]; 756 } __packed; 757 758 /* Read flags */ 759 #define SMB2_READFLAG_RESPONSE_NONE cpu_to_le32(0x00000000) 760 #define SMB2_READFLAG_RESPONSE_RDMA_TRANSFORM cpu_to_le32(0x00000001) 761 762 struct smb2_read_rsp { 763 struct smb2_hdr hdr; 764 __le16 StructureSize; /* Must be 17 */ 765 __u8 DataOffset; 766 __u8 Reserved; 767 __le32 DataLength; 768 __le32 DataRemaining; 769 __le32 Flags; 770 __u8 Buffer[]; 771 } __packed; 772 773 774 /* 775 * SMB2_WRITE See MS-SMB2 section 2.2.21 776 */ 777 /* For write request Flags field below the following flags are defined: */ 778 #define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 /* SMB2.1 or later */ 779 #define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002 /* SMB3.02 or later */ 780 781 struct smb2_write_req { 782 struct smb2_hdr hdr; 783 __le16 StructureSize; /* Must be 49 */ 784 __le16 DataOffset; /* offset from start of SMB2 header to write data */ 785 __le32 Length; 786 __le64 Offset; 787 __u64 PersistentFileId; /* opaque endianness */ 788 __u64 VolatileFileId; /* opaque endianness */ 789 __le32 Channel; /* MBZ unless SMB3.02 or later */ 790 __le32 RemainingBytes; 791 __le16 WriteChannelInfoOffset; 792 __le16 WriteChannelInfoLength; 793 __le32 Flags; 794 __u8 Buffer[]; 795 } __packed; 796 797 struct smb2_write_rsp { 798 struct smb2_hdr hdr; 799 __le16 StructureSize; /* Must be 17 */ 800 __u8 DataOffset; 801 __u8 Reserved; 802 __le32 DataLength; 803 __le32 DataRemaining; 804 __u32 Reserved2; 805 __u8 Buffer[]; 806 } __packed; 807 808 809 /* 810 * SMB2_FLUSH See MS-SMB2 section 2.2.17 811 */ 812 struct smb2_flush_req { 813 struct smb2_hdr hdr; 814 __le16 StructureSize; /* Must be 24 */ 815 __le16 Reserved1; 816 __le32 Reserved2; 817 __u64 PersistentFileId; 818 __u64 VolatileFileId; 819 } __packed; 820 821 struct smb2_flush_rsp { 822 struct smb2_hdr hdr; 823 __le16 StructureSize; 824 __le16 Reserved; 825 } __packed; 826 827 #define SMB2_LOCKFLAG_SHARED 0x0001 828 #define SMB2_LOCKFLAG_EXCLUSIVE 0x0002 829 #define SMB2_LOCKFLAG_UNLOCK 0x0004 830 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY 0x0010 831 #define SMB2_LOCKFLAG_MASK 0x0007 832 833 struct smb2_lock_element { 834 __le64 Offset; 835 __le64 Length; 836 __le32 Flags; 837 __le32 Reserved; 838 } __packed; 839 840 struct smb2_lock_req { 841 struct smb2_hdr hdr; 842 __le16 StructureSize; /* Must be 48 */ 843 __le16 LockCount; 844 /* 845 * The least significant four bits are the index, the other 28 bits are 846 * the lock sequence number (0 to 64). See MS-SMB2 2.2.26 847 */ 848 __le32 LockSequenceNumber; 849 __u64 PersistentFileId; 850 __u64 VolatileFileId; 851 /* Followed by at least one */ 852 union { 853 struct smb2_lock_element lock; 854 DECLARE_FLEX_ARRAY(struct smb2_lock_element, locks); 855 }; 856 } __packed; 857 858 struct smb2_lock_rsp { 859 struct smb2_hdr hdr; 860 __le16 StructureSize; /* Must be 4 */ 861 __le16 Reserved; 862 } __packed; 863 864 struct smb2_echo_req { 865 struct smb2_hdr hdr; 866 __le16 StructureSize; /* Must be 4 */ 867 __u16 Reserved; 868 } __packed; 869 870 struct smb2_echo_rsp { 871 struct smb2_hdr hdr; 872 __le16 StructureSize; /* Must be 4 */ 873 __u16 Reserved; 874 } __packed; 875 876 /* 877 * Valid FileInformation classes for query directory 878 * 879 * Note that these are a subset of the (file) QUERY_INFO levels defined 880 * later in this file (but since QUERY_DIRECTORY uses equivalent numbers 881 * we do not redefine them here) 882 * 883 * FileDirectoryInfomation 0x01 884 * FileFullDirectoryInformation 0x02 885 * FileIdFullDirectoryInformation 0x26 886 * FileBothDirectoryInformation 0x03 887 * FileIdBothDirectoryInformation 0x25 888 * FileNamesInformation 0x0C 889 * FileIdExtdDirectoryInformation 0x3C 890 */ 891 892 /* search (query_directory) Flags field */ 893 #define SMB2_RESTART_SCANS 0x01 894 #define SMB2_RETURN_SINGLE_ENTRY 0x02 895 #define SMB2_INDEX_SPECIFIED 0x04 896 #define SMB2_REOPEN 0x10 897 898 struct smb2_query_directory_req { 899 struct smb2_hdr hdr; 900 __le16 StructureSize; /* Must be 33 */ 901 __u8 FileInformationClass; 902 __u8 Flags; 903 __le32 FileIndex; 904 __u64 PersistentFileId; 905 __u64 VolatileFileId; 906 __le16 FileNameOffset; 907 __le16 FileNameLength; 908 __le32 OutputBufferLength; 909 __u8 Buffer[]; 910 } __packed; 911 912 struct smb2_query_directory_rsp { 913 struct smb2_hdr hdr; 914 __le16 StructureSize; /* Must be 9 */ 915 __le16 OutputBufferOffset; 916 __le32 OutputBufferLength; 917 __u8 Buffer[]; 918 } __packed; 919 920 /* DeviceType Flags */ 921 #define FILE_DEVICE_CD_ROM 0x00000002 922 #define FILE_DEVICE_CD_ROM_FILE_SYSTEM 0x00000003 923 #define FILE_DEVICE_DFS 0x00000006 924 #define FILE_DEVICE_DISK 0x00000007 925 #define FILE_DEVICE_DISK_FILE_SYSTEM 0x00000008 926 #define FILE_DEVICE_FILE_SYSTEM 0x00000009 927 #define FILE_DEVICE_NAMED_PIPE 0x00000011 928 #define FILE_DEVICE_NETWORK 0x00000012 929 #define FILE_DEVICE_NETWORK_FILE_SYSTEM 0x00000014 930 #define FILE_DEVICE_NULL 0x00000015 931 #define FILE_DEVICE_PARALLEL_PORT 0x00000016 932 #define FILE_DEVICE_PRINTER 0x00000018 933 #define FILE_DEVICE_SERIAL_PORT 0x0000001b 934 #define FILE_DEVICE_STREAMS 0x0000001e 935 #define FILE_DEVICE_TAPE 0x0000001f 936 #define FILE_DEVICE_TAPE_FILE_SYSTEM 0x00000020 937 #define FILE_DEVICE_VIRTUAL_DISK 0x00000024 938 #define FILE_DEVICE_NETWORK_REDIRECTOR 0x00000028 939 940 /* Device Characteristics */ 941 #define FILE_REMOVABLE_MEDIA 0x00000001 942 #define FILE_READ_ONLY_DEVICE 0x00000002 943 #define FILE_FLOPPY_DISKETTE 0x00000004 944 #define FILE_WRITE_ONCE_MEDIA 0x00000008 945 #define FILE_REMOTE_DEVICE 0x00000010 946 #define FILE_DEVICE_IS_MOUNTED 0x00000020 947 #define FILE_VIRTUAL_VOLUME 0x00000040 948 #define FILE_DEVICE_SECURE_OPEN 0x00000100 949 #define FILE_CHARACTERISTIC_TS_DEVICE 0x00001000 950 #define FILE_CHARACTERISTIC_WEBDAV_DEVICE 0x00002000 951 #define FILE_PORTABLE_DEVICE 0x00004000 952 #define FILE_DEVICE_ALLOW_APPCONTAINER_TRAVERSAL 0x00020000 953 954 /* 955 * Maximum number of iovs we need for a set-info request. 956 * The largest one is rename/hardlink 957 * [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info 958 * [1] : path 959 * [2] : compound padding 960 */ 961 #define SMB2_SET_INFO_IOV_SIZE 3 962 963 struct smb2_set_info_req { 964 struct smb2_hdr hdr; 965 __le16 StructureSize; /* Must be 33 */ 966 __u8 InfoType; 967 __u8 FileInfoClass; 968 __le32 BufferLength; 969 __le16 BufferOffset; 970 __u16 Reserved; 971 __le32 AdditionalInformation; 972 __u64 PersistentFileId; 973 __u64 VolatileFileId; 974 __u8 Buffer[]; 975 } __packed; 976 977 struct smb2_set_info_rsp { 978 struct smb2_hdr hdr; 979 __le16 StructureSize; /* Must be 2 */ 980 } __packed; 981 982 /* 983 * SMB2_NOTIFY See MS-SMB2 section 2.2.35 984 */ 985 /* notify flags */ 986 #define SMB2_WATCH_TREE 0x0001 987 988 /* notify completion filter flags. See MS-FSCC 2.6 and MS-SMB2 2.2.35 */ 989 #define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001 990 #define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002 991 #define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004 992 #define FILE_NOTIFY_CHANGE_SIZE 0x00000008 993 #define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010 994 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020 995 #define FILE_NOTIFY_CHANGE_CREATION 0x00000040 996 #define FILE_NOTIFY_CHANGE_EA 0x00000080 997 #define FILE_NOTIFY_CHANGE_SECURITY 0x00000100 998 #define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200 999 #define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400 1000 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800 1001 1002 /* SMB2 Notify Action Flags */ 1003 #define FILE_ACTION_ADDED 0x00000001 1004 #define FILE_ACTION_REMOVED 0x00000002 1005 #define FILE_ACTION_MODIFIED 0x00000003 1006 #define FILE_ACTION_RENAMED_OLD_NAME 0x00000004 1007 #define FILE_ACTION_RENAMED_NEW_NAME 0x00000005 1008 #define FILE_ACTION_ADDED_STREAM 0x00000006 1009 #define FILE_ACTION_REMOVED_STREAM 0x00000007 1010 #define FILE_ACTION_MODIFIED_STREAM 0x00000008 1011 #define FILE_ACTION_REMOVED_BY_DELETE 0x00000009 1012 1013 struct smb2_change_notify_req { 1014 struct smb2_hdr hdr; 1015 __le16 StructureSize; 1016 __le16 Flags; 1017 __le32 OutputBufferLength; 1018 __u64 PersistentFileId; /* opaque endianness */ 1019 __u64 VolatileFileId; /* opaque endianness */ 1020 __le32 CompletionFilter; 1021 __u32 Reserved; 1022 } __packed; 1023 1024 struct smb2_change_notify_rsp { 1025 struct smb2_hdr hdr; 1026 __le16 StructureSize; /* Must be 9 */ 1027 __le16 OutputBufferOffset; 1028 __le32 OutputBufferLength; 1029 __u8 Buffer[]; /* array of file notify structs */ 1030 } __packed; 1031 1032 /* 1033 * SMB2_SERVER_TO_CLIENT_NOTIFICATION: See MS-SMB2 section 2.2.44 1034 */ 1035 1036 #define SMB2_NOTIFY_SESSION_CLOSED 0x0000 1037 1038 struct smb2_server_client_notification { 1039 struct smb2_hdr hdr; 1040 __le16 StructureSize; 1041 __u16 Reserved; /* MBZ */ 1042 __le32 NotificationType; 1043 __u8 NotificationBuffer[4]; /* MBZ */ 1044 } __packed; 1045 1046 /* 1047 * SMB2_CREATE See MS-SMB2 section 2.2.13 1048 */ 1049 /* Oplock levels */ 1050 #define SMB2_OPLOCK_LEVEL_NONE 0x00 1051 #define SMB2_OPLOCK_LEVEL_II 0x01 1052 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08 1053 #define SMB2_OPLOCK_LEVEL_BATCH 0x09 1054 #define SMB2_OPLOCK_LEVEL_LEASE 0xFF 1055 /* Non-spec internal type */ 1056 #define SMB2_OPLOCK_LEVEL_NOCHANGE 0x99 1057 1058 /* Impersonation Levels. See MS-WPO section 9.7 and MSDN-IMPERS */ 1059 #define IL_ANONYMOUS cpu_to_le32(0x00000000) 1060 #define IL_IDENTIFICATION cpu_to_le32(0x00000001) 1061 #define IL_IMPERSONATION cpu_to_le32(0x00000002) 1062 #define IL_DELEGATE cpu_to_le32(0x00000003) 1063 1064 /* File Attributes */ 1065 #define FILE_ATTRIBUTE_READONLY 0x00000001 1066 #define FILE_ATTRIBUTE_HIDDEN 0x00000002 1067 #define FILE_ATTRIBUTE_SYSTEM 0x00000004 1068 #define FILE_ATTRIBUTE_DIRECTORY 0x00000010 1069 #define FILE_ATTRIBUTE_ARCHIVE 0x00000020 1070 #define FILE_ATTRIBUTE_NORMAL 0x00000080 1071 #define FILE_ATTRIBUTE_TEMPORARY 0x00000100 1072 #define FILE_ATTRIBUTE_SPARSE_FILE 0x00000200 1073 #define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400 1074 #define FILE_ATTRIBUTE_COMPRESSED 0x00000800 1075 #define FILE_ATTRIBUTE_OFFLINE 0x00001000 1076 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x00002000 1077 #define FILE_ATTRIBUTE_ENCRYPTED 0x00004000 1078 #define FILE_ATTRIBUTE_INTEGRITY_STREAM 0x00008000 1079 #define FILE_ATTRIBUTE_NO_SCRUB_DATA 0x00020000 1080 #define FILE_ATTRIBUTE__MASK 0x00007FB7 1081 1082 #define FILE_ATTRIBUTE_READONLY_LE cpu_to_le32(0x00000001) 1083 #define FILE_ATTRIBUTE_HIDDEN_LE cpu_to_le32(0x00000002) 1084 #define FILE_ATTRIBUTE_SYSTEM_LE cpu_to_le32(0x00000004) 1085 #define FILE_ATTRIBUTE_DIRECTORY_LE cpu_to_le32(0x00000010) 1086 #define FILE_ATTRIBUTE_ARCHIVE_LE cpu_to_le32(0x00000020) 1087 #define FILE_ATTRIBUTE_NORMAL_LE cpu_to_le32(0x00000080) 1088 #define FILE_ATTRIBUTE_TEMPORARY_LE cpu_to_le32(0x00000100) 1089 #define FILE_ATTRIBUTE_SPARSE_FILE_LE cpu_to_le32(0x00000200) 1090 #define FILE_ATTRIBUTE_REPARSE_POINT_LE cpu_to_le32(0x00000400) 1091 #define FILE_ATTRIBUTE_COMPRESSED_LE cpu_to_le32(0x00000800) 1092 #define FILE_ATTRIBUTE_OFFLINE_LE cpu_to_le32(0x00001000) 1093 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED_LE cpu_to_le32(0x00002000) 1094 #define FILE_ATTRIBUTE_ENCRYPTED_LE cpu_to_le32(0x00004000) 1095 #define FILE_ATTRIBUTE_INTEGRITY_STREAM_LE cpu_to_le32(0x00008000) 1096 #define FILE_ATTRIBUTE_NO_SCRUB_DATA_LE cpu_to_le32(0x00020000) 1097 #define FILE_ATTRIBUTE_MASK_LE cpu_to_le32(0x00007FB7) 1098 1099 /* Desired Access Flags */ 1100 #define FILE_READ_DATA_LE cpu_to_le32(0x00000001) 1101 #define FILE_LIST_DIRECTORY_LE cpu_to_le32(0x00000001) 1102 #define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002) 1103 #define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004) 1104 #define FILE_ADD_SUBDIRECTORY_LE cpu_to_le32(0x00000004) 1105 #define FILE_READ_EA_LE cpu_to_le32(0x00000008) 1106 #define FILE_WRITE_EA_LE cpu_to_le32(0x00000010) 1107 #define FILE_EXECUTE_LE cpu_to_le32(0x00000020) 1108 #define FILE_DELETE_CHILD_LE cpu_to_le32(0x00000040) 1109 #define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080) 1110 #define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100) 1111 #define FILE_DELETE_LE cpu_to_le32(0x00010000) 1112 #define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000) 1113 #define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000) 1114 #define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000) 1115 #define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000) 1116 #define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000) 1117 #define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000) 1118 #define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000) 1119 #define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000) 1120 #define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000) 1121 #define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000) 1122 #define DESIRED_ACCESS_MASK cpu_to_le32(0xF21F01FF) 1123 1124 1125 #define FILE_READ_DESIRED_ACCESS_LE (FILE_READ_DATA_LE | \ 1126 FILE_READ_EA_LE | \ 1127 FILE_GENERIC_READ_LE) 1128 #define FILE_WRITE_DESIRE_ACCESS_LE (FILE_WRITE_DATA_LE | \ 1129 FILE_APPEND_DATA_LE | \ 1130 FILE_WRITE_EA_LE | \ 1131 FILE_WRITE_ATTRIBUTES_LE | \ 1132 FILE_GENERIC_WRITE_LE) 1133 1134 /* ShareAccess Flags */ 1135 #define FILE_SHARE_READ_LE cpu_to_le32(0x00000001) 1136 #define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002) 1137 #define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004) 1138 #define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007) 1139 1140 /* CreateDisposition Flags */ 1141 #define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000) 1142 #define FILE_OPEN_LE cpu_to_le32(0x00000001) 1143 #define FILE_CREATE_LE cpu_to_le32(0x00000002) 1144 #define FILE_OPEN_IF_LE cpu_to_le32(0x00000003) 1145 #define FILE_OVERWRITE_LE cpu_to_le32(0x00000004) 1146 #define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005) 1147 #define FILE_CREATE_MASK_LE cpu_to_le32(0x00000007) 1148 1149 #define FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA \ 1150 | FILE_READ_ATTRIBUTES) 1151 #define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ 1152 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES) 1153 #define FILE_EXEC_RIGHTS (FILE_EXECUTE) 1154 1155 /* CreateOptions Flags */ 1156 #define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001) 1157 /* same as #define CREATE_NOT_FILE_LE cpu_to_le32(0x00000001) */ 1158 #define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002) 1159 #define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004) 1160 #define FILE_NO_INTERMEDIATE_BUFFERING_LE cpu_to_le32(0x00000008) 1161 /* FILE_SYNCHRONOUS_IO_ALERT_LE cpu_to_le32(0x00000010) should be zero, ignored */ 1162 /* FILE_SYNCHRONOUS_IO_NONALERT cpu_to_le32(0x00000020) should be zero, ignored */ 1163 #define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040) 1164 #define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100) 1165 #define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200) 1166 /* FILE_OPEN_REMOTE_INSTANCE cpu_to_le32(0x00000400) should be zero, ignored */ 1167 #define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800) 1168 #define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000) /* MBZ */ 1169 #define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000) 1170 #define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000) 1171 #define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000) 1172 /* FILE_OPEN_REQUIRING_OPLOCK cpu_to_le32(0x00010000) should be zero, ignored */ 1173 /* FILE_DISALLOW_EXCLUSIVE cpu_to_le32(0x00020000) should be zero, ignored */ 1174 /* FILE_RESERVE_OPFILTER cpu_to_le32(0x00100000) MBZ */ 1175 #define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000) 1176 #define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000) 1177 /* #define FILE_OPEN_FOR_FREE_SPACE_QUERY cpu_to_le32(0x00800000) should be zero, ignored */ 1178 #define CREATE_OPTIONS_MASK_LE cpu_to_le32(0x00FFFFFF) 1179 1180 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \ 1181 | FILE_READ_ATTRIBUTES_LE) 1182 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \ 1183 | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE) 1184 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE) 1185 1186 /* Create Context Values */ 1187 #define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */ 1188 #define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */ 1189 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ" 1190 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC" 1191 #define SMB2_CREATE_ALLOCATION_SIZE "AlSi" 1192 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc" 1193 #define SMB2_CREATE_TIMEWARP_REQUEST "TWrp" 1194 #define SMB2_CREATE_QUERY_ON_DISK_ID "QFid" 1195 #define SMB2_CREATE_REQUEST_LEASE "RqLs" 1196 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q" 1197 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C" 1198 #define SMB2_CREATE_TAG_POSIX "\x93\xAD\x25\x50\x9C\xB4\x11\xE7\xB4\x23\x83\xDE\x96\x8B\xCD\x7C" 1199 #define SMB2_CREATE_APP_INSTANCE_ID "\x45\xBC\xA6\x6A\xEF\xA7\xF7\x4A\x90\x08\xFA\x46\x2E\x14\x4D\x74" 1200 #define SMB2_CREATE_APP_INSTANCE_VERSION "\xB9\x82\xD0\xB7\x3B\x56\x07\x4F\xA0\x7B\x52\x4A\x81\x16\xA0\x10" 1201 #define SVHDX_OPEN_DEVICE_CONTEXT "\x9C\xCB\xCF\x9E\x04\xC1\xE6\x43\x98\x0E\x15\x8D\xA1\xF6\xEC\x83" 1202 #define SMB2_CREATE_TAG_AAPL "AAPL" 1203 1204 /* Flag (SMB3 open response) values */ 1205 #define SMB2_CREATE_FLAG_REPARSEPOINT 0x01 1206 1207 struct create_context { 1208 /* New members must be added within the struct_group() macro below. */ 1209 __struct_group(create_context_hdr, hdr, __packed, 1210 __le32 Next; 1211 __le16 NameOffset; 1212 __le16 NameLength; 1213 __le16 Reserved; 1214 __le16 DataOffset; 1215 __le32 DataLength; 1216 ); 1217 __u8 Buffer[]; 1218 } __packed; 1219 static_assert(offsetof(struct create_context, Buffer) == sizeof(struct create_context_hdr), 1220 "struct member likely outside of __struct_group()"); 1221 1222 struct smb2_create_req { 1223 struct smb2_hdr hdr; 1224 __le16 StructureSize; /* Must be 57 */ 1225 __u8 SecurityFlags; 1226 __u8 RequestedOplockLevel; 1227 __le32 ImpersonationLevel; 1228 __le64 SmbCreateFlags; 1229 __le64 Reserved; 1230 __le32 DesiredAccess; 1231 __le32 FileAttributes; 1232 __le32 ShareAccess; 1233 __le32 CreateDisposition; 1234 __le32 CreateOptions; 1235 __le16 NameOffset; 1236 __le16 NameLength; 1237 __le32 CreateContextsOffset; 1238 __le32 CreateContextsLength; 1239 __u8 Buffer[]; 1240 } __packed; 1241 1242 struct smb2_create_rsp { 1243 struct smb2_hdr hdr; 1244 __le16 StructureSize; /* Must be 89 */ 1245 __u8 OplockLevel; 1246 __u8 Flags; /* 0x01 if reparse point */ 1247 __le32 CreateAction; 1248 __le64 CreationTime; 1249 __le64 LastAccessTime; 1250 __le64 LastWriteTime; 1251 __le64 ChangeTime; 1252 __le64 AllocationSize; 1253 __le64 EndofFile; 1254 __le32 FileAttributes; 1255 __le32 Reserved2; 1256 __u64 PersistentFileId; 1257 __u64 VolatileFileId; 1258 __le32 CreateContextsOffset; 1259 __le32 CreateContextsLength; 1260 __u8 Buffer[]; 1261 } __packed; 1262 1263 struct create_posix { 1264 struct create_context_hdr ccontext; 1265 __u8 Name[16]; 1266 __le32 Mode; 1267 __u32 Reserved; 1268 } __packed; 1269 1270 /* See MS-SMB2 2.2.13.2.3 and MS-SMB2 2.2.13.2.4 */ 1271 struct create_durable { 1272 struct create_context_hdr ccontext; 1273 __u8 Name[8]; 1274 union { 1275 __u8 Reserved[16]; 1276 struct { 1277 __u64 PersistentFileId; 1278 __u64 VolatileFileId; 1279 } Fid; 1280 } Data; 1281 } __packed; 1282 1283 /* See MS-SMB2 2.2.13.2.5 */ 1284 struct create_mxac_req { 1285 struct create_context_hdr ccontext; 1286 __u8 Name[8]; 1287 __le64 Timestamp; 1288 } __packed; 1289 1290 /* See MS-SMB2 2.2.14.2.5 */ 1291 struct create_mxac_rsp { 1292 struct create_context_hdr ccontext; 1293 __u8 Name[8]; 1294 __le32 QueryStatus; 1295 __le32 MaximalAccess; 1296 } __packed; 1297 1298 #define SMB2_LEASE_NONE_LE cpu_to_le32(0x00) 1299 #define SMB2_LEASE_READ_CACHING_LE cpu_to_le32(0x01) 1300 #define SMB2_LEASE_HANDLE_CACHING_LE cpu_to_le32(0x02) 1301 #define SMB2_LEASE_WRITE_CACHING_LE cpu_to_le32(0x04) 1302 1303 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS_LE cpu_to_le32(0x02) 1304 #define SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET_LE cpu_to_le32(0x04) 1305 1306 #define SMB2_LEASE_KEY_SIZE 16 1307 1308 /* See MS-SMB2 2.2.13.2.8 */ 1309 struct lease_context { 1310 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 1311 __le32 LeaseState; 1312 __le32 LeaseFlags; 1313 __le64 LeaseDuration; 1314 } __packed; 1315 1316 /* See MS-SMB2 2.2.13.2.10 */ 1317 struct lease_context_v2 { 1318 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 1319 __le32 LeaseState; 1320 __le32 LeaseFlags; 1321 __le64 LeaseDuration; 1322 __u8 ParentLeaseKey[SMB2_LEASE_KEY_SIZE]; 1323 __le16 Epoch; 1324 __le16 Reserved; 1325 } __packed; 1326 1327 struct create_lease { 1328 struct create_context_hdr ccontext; 1329 __u8 Name[8]; 1330 struct lease_context lcontext; 1331 } __packed; 1332 1333 struct create_lease_v2 { 1334 struct create_context_hdr ccontext; 1335 __u8 Name[8]; 1336 struct lease_context_v2 lcontext; 1337 __u8 Pad[4]; 1338 } __packed; 1339 1340 /* See MS-SMB2 2.2.14.2.9 */ 1341 struct create_disk_id_rsp { 1342 struct create_context_hdr ccontext; 1343 __u8 Name[8]; 1344 __le64 DiskFileId; 1345 __le64 VolumeId; 1346 __u8 Reserved[16]; 1347 } __packed; 1348 1349 /* See MS-SMB2 2.2.13.2.13 */ 1350 struct create_app_inst_id { 1351 struct create_context_hdr ccontext; 1352 __u8 Name[16]; 1353 __le32 StructureSize; /* Must be 20 */ 1354 __u16 Reserved; 1355 __u8 AppInstanceId[16]; 1356 } __packed; 1357 1358 /* See MS-SMB2 2.2.13.2.15 */ 1359 struct create_app_inst_id_vers { 1360 struct create_context_hdr ccontext; 1361 __u8 Name[16]; 1362 __le32 StructureSize; /* Must be 24 */ 1363 __u16 Reserved; 1364 __u32 Padding; 1365 __le64 AppInstanceVersionHigh; 1366 __le64 AppInstanceVersionLow; 1367 } __packed; 1368 1369 /* See MS-SMB2 2.2.31 and 2.2.32 */ 1370 struct smb2_ioctl_req { 1371 struct smb2_hdr hdr; 1372 __le16 StructureSize; /* Must be 57 */ 1373 __le16 Reserved; /* offset from start of SMB2 header to write data */ 1374 __le32 CtlCode; 1375 __u64 PersistentFileId; 1376 __u64 VolatileFileId; 1377 __le32 InputOffset; /* Reserved MBZ */ 1378 __le32 InputCount; 1379 __le32 MaxInputResponse; 1380 __le32 OutputOffset; 1381 __le32 OutputCount; 1382 __le32 MaxOutputResponse; 1383 __le32 Flags; 1384 __le32 Reserved2; 1385 __u8 Buffer[]; 1386 } __packed; 1387 1388 struct smb2_ioctl_rsp { 1389 struct smb2_hdr hdr; 1390 __le16 StructureSize; /* Must be 49 */ 1391 __le16 Reserved; 1392 __le32 CtlCode; 1393 __u64 PersistentFileId; 1394 __u64 VolatileFileId; 1395 __le32 InputOffset; /* Reserved MBZ */ 1396 __le32 InputCount; 1397 __le32 OutputOffset; 1398 __le32 OutputCount; 1399 __le32 Flags; 1400 __le32 Reserved2; 1401 __u8 Buffer[]; 1402 } __packed; 1403 1404 /* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */ 1405 struct file_zero_data_information { 1406 __le64 FileOffset; 1407 __le64 BeyondFinalZero; 1408 } __packed; 1409 1410 /* See MS-FSCC 2.3.7 */ 1411 struct duplicate_extents_to_file { 1412 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 1413 __u64 VolatileFileHandle; 1414 __le64 SourceFileOffset; 1415 __le64 TargetFileOffset; 1416 __le64 ByteCount; /* Bytes to be copied */ 1417 } __packed; 1418 1419 /* See MS-FSCC 2.3.8 */ 1420 #define DUPLICATE_EXTENTS_DATA_EX_SOURCE_ATOMIC 0x00000001 1421 struct duplicate_extents_to_file_ex { 1422 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 1423 __u64 VolatileFileHandle; 1424 __le64 SourceFileOffset; 1425 __le64 TargetFileOffset; 1426 __le64 ByteCount; /* Bytes to be copied */ 1427 __le32 Flags; 1428 __le32 Reserved; 1429 } __packed; 1430 1431 1432 /* See MS-FSCC 2.3.20 */ 1433 struct fsctl_get_integrity_information_rsp { 1434 __le16 ChecksumAlgorithm; 1435 __le16 Reserved; 1436 __le32 Flags; 1437 __le32 ChecksumChunkSizeInBytes; 1438 __le32 ClusterSizeInBytes; 1439 } __packed; 1440 1441 /* See MS-FSCC 2.3.55 */ 1442 struct fsctl_query_file_regions_req { 1443 __le64 FileOffset; 1444 __le64 Length; 1445 __le32 DesiredUsage; 1446 __le32 Reserved; 1447 } __packed; 1448 1449 /* DesiredUsage flags see MS-FSCC 2.3.56.1 */ 1450 #define FILE_USAGE_INVALID_RANGE 0x00000000 1451 #define FILE_USAGE_VALID_CACHED_DATA 0x00000001 1452 #define FILE_USAGE_NONCACHED_DATA 0x00000002 1453 1454 struct file_region_info { 1455 __le64 FileOffset; 1456 __le64 Length; 1457 __le32 DesiredUsage; 1458 __le32 Reserved; 1459 } __packed; 1460 1461 /* See MS-FSCC 2.3.56 */ 1462 struct fsctl_query_file_region_rsp { 1463 __le32 Flags; 1464 __le32 TotalRegionEntryCount; 1465 __le32 RegionEntryCount; 1466 __u32 Reserved; 1467 struct file_region_info Regions[]; 1468 } __packed; 1469 1470 /* See MS-FSCC 2.3.58 */ 1471 struct fsctl_query_on_disk_vol_info_rsp { 1472 __le64 DirectoryCount; 1473 __le64 FileCount; 1474 __le16 FsFormatMajVersion; 1475 __le16 FsFormatMinVersion; 1476 __u8 FsFormatName[24]; 1477 __le64 FormatTime; 1478 __le64 LastUpdateTime; 1479 __u8 CopyrightInfo[68]; 1480 __u8 AbstractInfo[68]; 1481 __u8 FormatImplInfo[68]; 1482 __u8 LastModifyImplInfo[68]; 1483 } __packed; 1484 1485 /* See MS-FSCC 2.3.73 */ 1486 struct fsctl_set_integrity_information_req { 1487 __le16 ChecksumAlgorithm; 1488 __le16 Reserved; 1489 __le32 Flags; 1490 } __packed; 1491 1492 /* See MS-FSCC 2.3.75 */ 1493 struct fsctl_set_integrity_info_ex_req { 1494 __u8 EnableIntegrity; 1495 __u8 KeepState; 1496 __u16 Reserved; 1497 __le32 Flags; 1498 __u8 Version; 1499 __u8 Reserved2[7]; 1500 } __packed; 1501 1502 /* Integrity ChecksumAlgorithm choices for above */ 1503 #define CHECKSUM_TYPE_NONE 0x0000 1504 #define CHECKSUM_TYPE_CRC64 0x0002 1505 #define CHECKSUM_TYPE_UNCHANGED 0xFFFF /* set only */ 1506 1507 /* Integrity flags for above */ 1508 #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x00000001 1509 1510 /* Reparse structures - see MS-FSCC 2.1.2 */ 1511 1512 /* struct fsctl_reparse_info_req is empty, only response structs (see below) */ 1513 struct reparse_data_buffer { 1514 __le32 ReparseTag; 1515 __le16 ReparseDataLength; 1516 __u16 Reserved; 1517 __u8 DataBuffer[]; /* Variable Length */ 1518 } __packed; 1519 1520 struct reparse_guid_data_buffer { 1521 __le32 ReparseTag; 1522 __le16 ReparseDataLength; 1523 __u16 Reserved; 1524 __u8 ReparseGuid[16]; 1525 __u8 DataBuffer[]; /* Variable Length */ 1526 } __packed; 1527 1528 struct reparse_mount_point_data_buffer { 1529 __le32 ReparseTag; 1530 __le16 ReparseDataLength; 1531 __u16 Reserved; 1532 __le16 SubstituteNameOffset; 1533 __le16 SubstituteNameLength; 1534 __le16 PrintNameOffset; 1535 __le16 PrintNameLength; 1536 __u8 PathBuffer[]; /* Variable Length */ 1537 } __packed; 1538 1539 #define SYMLINK_FLAG_RELATIVE 0x00000001 1540 1541 struct reparse_symlink_data_buffer { 1542 __le32 ReparseTag; 1543 __le16 ReparseDataLength; 1544 __u16 Reserved; 1545 __le16 SubstituteNameOffset; 1546 __le16 SubstituteNameLength; 1547 __le16 PrintNameOffset; 1548 __le16 PrintNameLength; 1549 __le32 Flags; 1550 __u8 PathBuffer[]; /* Variable Length */ 1551 } __packed; 1552 1553 /* For IO_REPARSE_TAG_NFS - see MS-FSCC 2.1.2.6 */ 1554 #define NFS_SPECFILE_LNK 0x00000000014B4E4C 1555 #define NFS_SPECFILE_CHR 0x0000000000524843 1556 #define NFS_SPECFILE_BLK 0x00000000004B4C42 1557 #define NFS_SPECFILE_FIFO 0x000000004F464946 1558 #define NFS_SPECFILE_SOCK 0x000000004B434F53 1559 struct reparse_nfs_data_buffer { 1560 __le32 ReparseTag; 1561 __le16 ReparseDataLength; 1562 __u16 Reserved; 1563 __le64 InodeType; /* NFS_SPECFILE_* */ 1564 __u8 DataBuffer[]; 1565 } __packed; 1566 1567 /* For IO_REPARSE_TAG_LX_SYMLINK */ 1568 struct reparse_wsl_symlink_data_buffer { 1569 __le32 ReparseTag; 1570 __le16 ReparseDataLength; 1571 __u16 Reserved; 1572 __le32 Flags; 1573 __u8 PathBuffer[]; /* Variable Length UTF-8 string without nul-term */ 1574 } __packed; 1575 1576 struct validate_negotiate_info_req { 1577 __le32 Capabilities; 1578 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1579 __le16 SecurityMode; 1580 __le16 DialectCount; 1581 __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */ 1582 } __packed; 1583 1584 struct validate_negotiate_info_rsp { 1585 __le32 Capabilities; 1586 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1587 __le16 SecurityMode; 1588 __le16 Dialect; /* Dialect in use for the connection */ 1589 } __packed; 1590 1591 1592 /* Possible InfoType values */ 1593 #define SMB2_O_INFO_FILE 0x01 1594 #define SMB2_O_INFO_FILESYSTEM 0x02 1595 #define SMB2_O_INFO_SECURITY 0x03 1596 #define SMB2_O_INFO_QUOTA 0x04 1597 1598 /* SMB2 Query Info see MS-SMB2 (2.2.37) or MS-DTYP */ 1599 1600 /* List of QUERY INFO levels (those also valid for QUERY_DIR are noted below */ 1601 #define FILE_DIRECTORY_INFORMATION 1 /* also for QUERY_DIR */ 1602 #define FILE_FULL_DIRECTORY_INFORMATION 2 /* also for QUERY_DIR */ 1603 #define FILE_BOTH_DIRECTORY_INFORMATION 3 /* also for QUERY_DIR */ 1604 #define FILE_BASIC_INFORMATION 4 1605 #define FILE_STANDARD_INFORMATION 5 1606 #define FILE_INTERNAL_INFORMATION 6 1607 #define FILE_EA_INFORMATION 7 1608 #define FILE_ACCESS_INFORMATION 8 1609 #define FILE_NAME_INFORMATION 9 1610 #define FILE_RENAME_INFORMATION 10 1611 #define FILE_LINK_INFORMATION 11 1612 #define FILE_NAMES_INFORMATION 12 /* also for QUERY_DIR */ 1613 #define FILE_DISPOSITION_INFORMATION 13 1614 #define FILE_POSITION_INFORMATION 14 1615 #define FILE_FULL_EA_INFORMATION 15 1616 #define FILE_MODE_INFORMATION 16 1617 #define FILE_ALIGNMENT_INFORMATION 17 1618 #define FILE_ALL_INFORMATION 18 1619 #define FILE_ALLOCATION_INFORMATION 19 1620 #define FILE_END_OF_FILE_INFORMATION 20 1621 #define FILE_ALTERNATE_NAME_INFORMATION 21 1622 #define FILE_STREAM_INFORMATION 22 1623 #define FILE_PIPE_INFORMATION 23 1624 #define FILE_PIPE_LOCAL_INFORMATION 24 1625 #define FILE_PIPE_REMOTE_INFORMATION 25 1626 #define FILE_MAILSLOT_QUERY_INFORMATION 26 1627 #define FILE_MAILSLOT_SET_INFORMATION 27 1628 #define FILE_COMPRESSION_INFORMATION 28 1629 #define FILE_OBJECT_ID_INFORMATION 29 1630 /* Number 30 not defined in documents */ 1631 #define FILE_MOVE_CLUSTER_INFORMATION 31 1632 #define FILE_QUOTA_INFORMATION 32 1633 #define FILE_REPARSE_POINT_INFORMATION 33 1634 #define FILE_NETWORK_OPEN_INFORMATION 34 1635 #define FILE_ATTRIBUTE_TAG_INFORMATION 35 1636 #define FILE_TRACKING_INFORMATION 36 1637 #define FILEID_BOTH_DIRECTORY_INFORMATION 37 /* also for QUERY_DIR */ 1638 #define FILEID_FULL_DIRECTORY_INFORMATION 38 /* also for QUERY_DIR */ 1639 #define FILE_VALID_DATA_LENGTH_INFORMATION 39 1640 #define FILE_SHORT_NAME_INFORMATION 40 1641 #define FILE_SFIO_RESERVE_INFORMATION 44 1642 #define FILE_SFIO_VOLUME_INFORMATION 45 1643 #define FILE_HARD_LINK_INFORMATION 46 1644 #define FILE_NORMALIZED_NAME_INFORMATION 48 1645 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50 1646 #define FILE_STANDARD_LINK_INFORMATION 54 1647 #define FILE_ID_INFORMATION 59 1648 #define FILE_ID_EXTD_DIRECTORY_INFORMATION 60 /* also for QUERY_DIR */ 1649 /* Used for Query Info and Find File POSIX Info for SMB3.1.1 and SMB1 */ 1650 #define SMB_FIND_FILE_POSIX_INFO 0x064 1651 1652 /* Security info type additionalinfo flags. */ 1653 #define OWNER_SECINFO 0x00000001 1654 #define GROUP_SECINFO 0x00000002 1655 #define DACL_SECINFO 0x00000004 1656 #define SACL_SECINFO 0x00000008 1657 #define LABEL_SECINFO 0x00000010 1658 #define ATTRIBUTE_SECINFO 0x00000020 1659 #define SCOPE_SECINFO 0x00000040 1660 #define BACKUP_SECINFO 0x00010000 1661 #define UNPROTECTED_SACL_SECINFO 0x10000000 1662 #define UNPROTECTED_DACL_SECINFO 0x20000000 1663 #define PROTECTED_SACL_SECINFO 0x40000000 1664 #define PROTECTED_DACL_SECINFO 0x80000000 1665 1666 /* Flags used for FileFullEAinfo */ 1667 #define SL_RESTART_SCAN 0x00000001 1668 #define SL_RETURN_SINGLE_ENTRY 0x00000002 1669 #define SL_INDEX_SPECIFIED 0x00000004 1670 1671 struct smb2_query_info_req { 1672 struct smb2_hdr hdr; 1673 __le16 StructureSize; /* Must be 41 */ 1674 __u8 InfoType; 1675 __u8 FileInfoClass; 1676 __le32 OutputBufferLength; 1677 __le16 InputBufferOffset; 1678 __u16 Reserved; 1679 __le32 InputBufferLength; 1680 __le32 AdditionalInformation; 1681 __le32 Flags; 1682 __u64 PersistentFileId; 1683 __u64 VolatileFileId; 1684 __u8 Buffer[]; 1685 } __packed; 1686 1687 struct smb2_query_info_rsp { 1688 struct smb2_hdr hdr; 1689 __le16 StructureSize; /* Must be 9 */ 1690 __le16 OutputBufferOffset; 1691 __le32 OutputBufferLength; 1692 __u8 Buffer[]; 1693 } __packed; 1694 1695 /* 1696 * PDU query infolevel structure definitions 1697 */ 1698 1699 /* See MS-FSCC 2.3.52 */ 1700 struct file_allocated_range_buffer { 1701 __le64 file_offset; 1702 __le64 length; 1703 } __packed; 1704 1705 struct smb2_file_internal_info { 1706 __le64 IndexNumber; 1707 } __packed; /* level 6 Query */ 1708 1709 struct smb2_file_rename_info { /* encoding of request for level 10 */ 1710 /* New members MUST be added within the struct_group() macro below. */ 1711 __struct_group(smb2_file_rename_info_hdr, __hdr, __packed, 1712 __u8 ReplaceIfExists; /* 1 = replace existing target with new */ 1713 /* 0 = fail if target already exists */ 1714 __u8 Reserved[7]; 1715 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1716 __le32 FileNameLength; 1717 ); 1718 char FileName[]; /* New name to be assigned */ 1719 /* padding - overall struct size must be >= 24 so filename + pad >= 6 */ 1720 } __packed; /* level 10 Set */ 1721 static_assert(offsetof(struct smb2_file_rename_info, FileName) == sizeof(struct smb2_file_rename_info_hdr), 1722 "struct member likely outside of __struct_group()"); 1723 1724 struct smb2_file_link_info { /* encoding of request for level 11 */ 1725 /* New members MUST be added within the struct_group() macro below. */ 1726 __struct_group(smb2_file_link_info_hdr, __hdr, __packed, 1727 __u8 ReplaceIfExists; /* 1 = replace existing link with new */ 1728 /* 0 = fail if link already exists */ 1729 __u8 Reserved[7]; 1730 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1731 __le32 FileNameLength; 1732 ); 1733 char FileName[]; /* Name to be assigned to new link */ 1734 } __packed; /* level 11 Set */ 1735 static_assert(offsetof(struct smb2_file_link_info, FileName) == sizeof(struct smb2_file_link_info_hdr), 1736 "struct member likely outside of __struct_group()"); 1737 1738 /* 1739 * This level 18, although with struct with same name is different from cifs 1740 * level 0x107. Level 0x107 has an extra u64 between AccessFlags and 1741 * CurrentByteOffset. 1742 */ 1743 struct smb2_file_all_info { /* data block encoding of response to level 18 */ 1744 __le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */ 1745 __le64 LastAccessTime; 1746 __le64 LastWriteTime; 1747 __le64 ChangeTime; 1748 __le32 Attributes; 1749 __u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */ 1750 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 1751 __le64 EndOfFile; /* size ie offset to first free byte in file */ 1752 __le32 NumberOfLinks; /* hard links */ 1753 __u8 DeletePending; 1754 __u8 Directory; 1755 __u16 Pad2; /* End of FILE_STANDARD_INFO equivalent */ 1756 __le64 IndexNumber; 1757 __le32 EASize; 1758 __le32 AccessFlags; 1759 __le64 CurrentByteOffset; 1760 __le32 Mode; 1761 __le32 AlignmentRequirement; 1762 __le32 FileNameLength; 1763 union { 1764 char __pad; /* Legacy structure padding */ 1765 DECLARE_FLEX_ARRAY(char, FileName); 1766 }; 1767 } __packed; /* level 18 Query */ 1768 1769 struct smb2_file_eof_info { /* encoding of request for level 10 */ 1770 __le64 EndOfFile; /* new end of file value */ 1771 } __packed; /* level 20 Set */ 1772 1773 /* Level 100 query info */ 1774 struct smb311_posix_qinfo { 1775 __le64 CreationTime; 1776 __le64 LastAccessTime; 1777 __le64 LastWriteTime; 1778 __le64 ChangeTime; 1779 __le64 EndOfFile; 1780 __le64 AllocationSize; 1781 __le32 DosAttributes; 1782 __le64 Inode; 1783 __le32 DeviceId; 1784 __le32 Zero; 1785 /* beginning of POSIX Create Context Response */ 1786 __le32 HardLinks; 1787 __le32 ReparseTag; 1788 __le32 Mode; 1789 u8 Sids[]; 1790 /* 1791 * var sized owner SID 1792 * var sized group SID 1793 * le32 filenamelength 1794 * u8 filename[] 1795 */ 1796 } __packed; 1797 1798 /* File System Information Classes */ 1799 #define FS_VOLUME_INFORMATION 1 /* Query */ 1800 #define FS_LABEL_INFORMATION 2 /* Set */ 1801 #define FS_SIZE_INFORMATION 3 /* Query */ 1802 #define FS_DEVICE_INFORMATION 4 /* Query */ 1803 #define FS_ATTRIBUTE_INFORMATION 5 /* Query */ 1804 #define FS_CONTROL_INFORMATION 6 /* Query, Set */ 1805 #define FS_FULL_SIZE_INFORMATION 7 /* Query */ 1806 #define FS_OBJECT_ID_INFORMATION 8 /* Query, Set */ 1807 #define FS_DRIVER_PATH_INFORMATION 9 /* Query */ 1808 #define FS_SECTOR_SIZE_INFORMATION 11 /* SMB3 or later. Query */ 1809 #define FS_POSIX_INFORMATION 100 /* SMB3.1.1 POSIX. Query */ 1810 1811 struct smb2_fs_full_size_info { 1812 __le64 TotalAllocationUnits; 1813 __le64 CallerAvailableAllocationUnits; 1814 __le64 ActualAvailableAllocationUnits; 1815 __le32 SectorsPerAllocationUnit; 1816 __le32 BytesPerSector; 1817 } __packed; 1818 1819 #define SSINFO_FLAGS_ALIGNED_DEVICE 0x00000001 1820 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002 1821 #define SSINFO_FLAGS_NO_SEEK_PENALTY 0x00000004 1822 #define SSINFO_FLAGS_TRIM_ENABLED 0x00000008 1823 1824 /* sector size info struct */ 1825 struct smb3_fs_ss_info { 1826 __le32 LogicalBytesPerSector; 1827 __le32 PhysicalBytesPerSectorForAtomicity; 1828 __le32 PhysicalBytesPerSectorForPerf; 1829 __le32 FSEffPhysicalBytesPerSectorForAtomicity; 1830 __le32 Flags; 1831 __le32 ByteOffsetForSectorAlignment; 1832 __le32 ByteOffsetForPartitionAlignment; 1833 } __packed; 1834 1835 /* File System Control Information */ 1836 struct smb2_fs_control_info { 1837 __le64 FreeSpaceStartFiltering; 1838 __le64 FreeSpaceThreshold; 1839 __le64 FreeSpaceStopFiltering; 1840 __le64 DefaultQuotaThreshold; 1841 __le64 DefaultQuotaLimit; 1842 __le32 FileSystemControlFlags; 1843 __le32 Padding; 1844 } __packed; 1845 1846 /* volume info struct - see MS-FSCC 2.5.9 */ 1847 #define MAX_VOL_LABEL_LEN 32 1848 struct smb3_fs_vol_info { 1849 __le64 VolumeCreationTime; 1850 __u32 VolumeSerialNumber; 1851 __le32 VolumeLabelLength; /* includes trailing null */ 1852 __u8 SupportsObjects; /* True if eg like NTFS, supports objects */ 1853 __u8 Reserved; 1854 __u8 VolumeLabel[]; /* variable len */ 1855 } __packed; 1856 1857 /* See MS-SMB2 2.2.23 through 2.2.25 */ 1858 struct smb2_oplock_break { 1859 struct smb2_hdr hdr; 1860 __le16 StructureSize; /* Must be 24 */ 1861 __u8 OplockLevel; 1862 __u8 Reserved; 1863 __le32 Reserved2; 1864 __u64 PersistentFid; 1865 __u64 VolatileFid; 1866 } __packed; 1867 1868 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01) 1869 1870 struct smb2_lease_break { 1871 struct smb2_hdr hdr; 1872 __le16 StructureSize; /* Must be 44 */ 1873 __le16 Epoch; 1874 __le32 Flags; 1875 __u8 LeaseKey[16]; 1876 __le32 CurrentLeaseState; 1877 __le32 NewLeaseState; 1878 __le32 BreakReason; 1879 __le32 AccessMaskHint; 1880 __le32 ShareMaskHint; 1881 } __packed; 1882 1883 struct smb2_lease_ack { 1884 struct smb2_hdr hdr; 1885 __le16 StructureSize; /* Must be 36 */ 1886 __le16 Reserved; 1887 __le32 Flags; 1888 __u8 LeaseKey[16]; 1889 __le32 LeaseState; 1890 __le64 LeaseDuration; 1891 } __packed; 1892 1893 #define OP_BREAK_STRUCT_SIZE_20 24 1894 #define OP_BREAK_STRUCT_SIZE_21 36 1895 #endif /* _COMMON_SMB2PDU_H */ 1896