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 #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 usally 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 /* 921 * Maximum number of iovs we need for a set-info request. 922 * The largest one is rename/hardlink 923 * [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info 924 * [1] : path 925 * [2] : compound padding 926 */ 927 #define SMB2_SET_INFO_IOV_SIZE 3 928 929 struct smb2_set_info_req { 930 struct smb2_hdr hdr; 931 __le16 StructureSize; /* Must be 33 */ 932 __u8 InfoType; 933 __u8 FileInfoClass; 934 __le32 BufferLength; 935 __le16 BufferOffset; 936 __u16 Reserved; 937 __le32 AdditionalInformation; 938 __u64 PersistentFileId; 939 __u64 VolatileFileId; 940 __u8 Buffer[]; 941 } __packed; 942 943 struct smb2_set_info_rsp { 944 struct smb2_hdr hdr; 945 __le16 StructureSize; /* Must be 2 */ 946 } __packed; 947 948 /* 949 * SMB2_NOTIFY See MS-SMB2 section 2.2.35 950 */ 951 /* notify flags */ 952 #define SMB2_WATCH_TREE 0x0001 953 954 /* notify completion filter flags. See MS-FSCC 2.6 and MS-SMB2 2.2.35 */ 955 #define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001 956 #define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002 957 #define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004 958 #define FILE_NOTIFY_CHANGE_SIZE 0x00000008 959 #define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010 960 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020 961 #define FILE_NOTIFY_CHANGE_CREATION 0x00000040 962 #define FILE_NOTIFY_CHANGE_EA 0x00000080 963 #define FILE_NOTIFY_CHANGE_SECURITY 0x00000100 964 #define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200 965 #define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400 966 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800 967 968 /* SMB2 Notify Action Flags */ 969 #define FILE_ACTION_ADDED 0x00000001 970 #define FILE_ACTION_REMOVED 0x00000002 971 #define FILE_ACTION_MODIFIED 0x00000003 972 #define FILE_ACTION_RENAMED_OLD_NAME 0x00000004 973 #define FILE_ACTION_RENAMED_NEW_NAME 0x00000005 974 #define FILE_ACTION_ADDED_STREAM 0x00000006 975 #define FILE_ACTION_REMOVED_STREAM 0x00000007 976 #define FILE_ACTION_MODIFIED_STREAM 0x00000008 977 #define FILE_ACTION_REMOVED_BY_DELETE 0x00000009 978 979 struct smb2_change_notify_req { 980 struct smb2_hdr hdr; 981 __le16 StructureSize; 982 __le16 Flags; 983 __le32 OutputBufferLength; 984 __u64 PersistentFileId; /* opaque endianness */ 985 __u64 VolatileFileId; /* opaque endianness */ 986 __le32 CompletionFilter; 987 __u32 Reserved; 988 } __packed; 989 990 struct smb2_change_notify_rsp { 991 struct smb2_hdr hdr; 992 __le16 StructureSize; /* Must be 9 */ 993 __le16 OutputBufferOffset; 994 __le32 OutputBufferLength; 995 __u8 Buffer[]; /* array of file notify structs */ 996 } __packed; 997 998 /* 999 * SMB2_SERVER_TO_CLIENT_NOTIFICATION: See MS-SMB2 section 2.2.44 1000 */ 1001 1002 #define SMB2_NOTIFY_SESSION_CLOSED 0x0000 1003 1004 struct smb2_server_client_notification { 1005 struct smb2_hdr hdr; 1006 __le16 StructureSize; 1007 __u16 Reserved; /* MBZ */ 1008 __le32 NotificationType; 1009 __u8 NotificationBuffer[4]; /* MBZ */ 1010 } __packed; 1011 1012 /* 1013 * SMB2_CREATE See MS-SMB2 section 2.2.13 1014 */ 1015 /* Oplock levels */ 1016 #define SMB2_OPLOCK_LEVEL_NONE 0x00 1017 #define SMB2_OPLOCK_LEVEL_II 0x01 1018 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08 1019 #define SMB2_OPLOCK_LEVEL_BATCH 0x09 1020 #define SMB2_OPLOCK_LEVEL_LEASE 0xFF 1021 /* Non-spec internal type */ 1022 #define SMB2_OPLOCK_LEVEL_NOCHANGE 0x99 1023 1024 /* Impersonation Levels. See MS-WPO section 9.7 and MSDN-IMPERS */ 1025 #define IL_ANONYMOUS cpu_to_le32(0x00000000) 1026 #define IL_IDENTIFICATION cpu_to_le32(0x00000001) 1027 #define IL_IMPERSONATION cpu_to_le32(0x00000002) 1028 #define IL_DELEGATE cpu_to_le32(0x00000003) 1029 1030 /* File Attrubutes */ 1031 #define FILE_ATTRIBUTE_READONLY 0x00000001 1032 #define FILE_ATTRIBUTE_HIDDEN 0x00000002 1033 #define FILE_ATTRIBUTE_SYSTEM 0x00000004 1034 #define FILE_ATTRIBUTE_DIRECTORY 0x00000010 1035 #define FILE_ATTRIBUTE_ARCHIVE 0x00000020 1036 #define FILE_ATTRIBUTE_NORMAL 0x00000080 1037 #define FILE_ATTRIBUTE_TEMPORARY 0x00000100 1038 #define FILE_ATTRIBUTE_SPARSE_FILE 0x00000200 1039 #define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400 1040 #define FILE_ATTRIBUTE_COMPRESSED 0x00000800 1041 #define FILE_ATTRIBUTE_OFFLINE 0x00001000 1042 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x00002000 1043 #define FILE_ATTRIBUTE_ENCRYPTED 0x00004000 1044 #define FILE_ATTRIBUTE_INTEGRITY_STREAM 0x00008000 1045 #define FILE_ATTRIBUTE_NO_SCRUB_DATA 0x00020000 1046 #define FILE_ATTRIBUTE__MASK 0x00007FB7 1047 1048 #define FILE_ATTRIBUTE_READONLY_LE cpu_to_le32(0x00000001) 1049 #define FILE_ATTRIBUTE_HIDDEN_LE cpu_to_le32(0x00000002) 1050 #define FILE_ATTRIBUTE_SYSTEM_LE cpu_to_le32(0x00000004) 1051 #define FILE_ATTRIBUTE_DIRECTORY_LE cpu_to_le32(0x00000010) 1052 #define FILE_ATTRIBUTE_ARCHIVE_LE cpu_to_le32(0x00000020) 1053 #define FILE_ATTRIBUTE_NORMAL_LE cpu_to_le32(0x00000080) 1054 #define FILE_ATTRIBUTE_TEMPORARY_LE cpu_to_le32(0x00000100) 1055 #define FILE_ATTRIBUTE_SPARSE_FILE_LE cpu_to_le32(0x00000200) 1056 #define FILE_ATTRIBUTE_REPARSE_POINT_LE cpu_to_le32(0x00000400) 1057 #define FILE_ATTRIBUTE_COMPRESSED_LE cpu_to_le32(0x00000800) 1058 #define FILE_ATTRIBUTE_OFFLINE_LE cpu_to_le32(0x00001000) 1059 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED_LE cpu_to_le32(0x00002000) 1060 #define FILE_ATTRIBUTE_ENCRYPTED_LE cpu_to_le32(0x00004000) 1061 #define FILE_ATTRIBUTE_INTEGRITY_STREAM_LE cpu_to_le32(0x00008000) 1062 #define FILE_ATTRIBUTE_NO_SCRUB_DATA_LE cpu_to_le32(0x00020000) 1063 #define FILE_ATTRIBUTE_MASK_LE cpu_to_le32(0x00007FB7) 1064 1065 /* Desired Access Flags */ 1066 #define FILE_READ_DATA_LE cpu_to_le32(0x00000001) 1067 #define FILE_LIST_DIRECTORY_LE cpu_to_le32(0x00000001) 1068 #define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002) 1069 #define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004) 1070 #define FILE_ADD_SUBDIRECTORY_LE cpu_to_le32(0x00000004) 1071 #define FILE_READ_EA_LE cpu_to_le32(0x00000008) 1072 #define FILE_WRITE_EA_LE cpu_to_le32(0x00000010) 1073 #define FILE_EXECUTE_LE cpu_to_le32(0x00000020) 1074 #define FILE_DELETE_CHILD_LE cpu_to_le32(0x00000040) 1075 #define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080) 1076 #define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100) 1077 #define FILE_DELETE_LE cpu_to_le32(0x00010000) 1078 #define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000) 1079 #define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000) 1080 #define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000) 1081 #define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000) 1082 #define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000) 1083 #define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000) 1084 #define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000) 1085 #define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000) 1086 #define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000) 1087 #define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000) 1088 #define DESIRED_ACCESS_MASK cpu_to_le32(0xF21F01FF) 1089 1090 1091 #define FILE_READ_DESIRED_ACCESS_LE (FILE_READ_DATA_LE | \ 1092 FILE_READ_EA_LE | \ 1093 FILE_GENERIC_READ_LE) 1094 #define FILE_WRITE_DESIRE_ACCESS_LE (FILE_WRITE_DATA_LE | \ 1095 FILE_APPEND_DATA_LE | \ 1096 FILE_WRITE_EA_LE | \ 1097 FILE_WRITE_ATTRIBUTES_LE | \ 1098 FILE_GENERIC_WRITE_LE) 1099 1100 /* ShareAccess Flags */ 1101 #define FILE_SHARE_READ_LE cpu_to_le32(0x00000001) 1102 #define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002) 1103 #define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004) 1104 #define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007) 1105 1106 /* CreateDisposition Flags */ 1107 #define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000) 1108 #define FILE_OPEN_LE cpu_to_le32(0x00000001) 1109 #define FILE_CREATE_LE cpu_to_le32(0x00000002) 1110 #define FILE_OPEN_IF_LE cpu_to_le32(0x00000003) 1111 #define FILE_OVERWRITE_LE cpu_to_le32(0x00000004) 1112 #define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005) 1113 #define FILE_CREATE_MASK_LE cpu_to_le32(0x00000007) 1114 1115 #define FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA \ 1116 | FILE_READ_ATTRIBUTES) 1117 #define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ 1118 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES) 1119 #define FILE_EXEC_RIGHTS (FILE_EXECUTE) 1120 1121 /* CreateOptions Flags */ 1122 #define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001) 1123 /* same as #define CREATE_NOT_FILE_LE cpu_to_le32(0x00000001) */ 1124 #define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002) 1125 #define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004) 1126 #define FILE_NO_INTERMEDIATE_BUFFERING_LE cpu_to_le32(0x00000008) 1127 /* FILE_SYNCHRONOUS_IO_ALERT_LE cpu_to_le32(0x00000010) should be zero, ignored */ 1128 /* FILE_SYNCHRONOUS_IO_NONALERT cpu_to_le32(0x00000020) should be zero, ignored */ 1129 #define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040) 1130 #define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100) 1131 #define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200) 1132 /* FILE_OPEN_REMOTE_INSTANCE cpu_to_le32(0x00000400) should be zero, ignored */ 1133 #define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800) 1134 #define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000) /* MBZ */ 1135 #define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000) 1136 #define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000) 1137 #define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000) 1138 /* FILE_OPEN_REQUIRING_OPLOCK cpu_to_le32(0x00010000) should be zero, ignored */ 1139 /* FILE_DISALLOW_EXCLUSIVE cpu_to_le32(0x00020000) should be zero, ignored */ 1140 /* FILE_RESERVE_OPFILTER cpu_to_le32(0x00100000) MBZ */ 1141 #define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000) 1142 #define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000) 1143 /* #define FILE_OPEN_FOR_FREE_SPACE_QUERY cpu_to_le32(0x00800000) should be zero, ignored */ 1144 #define CREATE_OPTIONS_MASK_LE cpu_to_le32(0x00FFFFFF) 1145 1146 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \ 1147 | FILE_READ_ATTRIBUTES_LE) 1148 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \ 1149 | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE) 1150 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE) 1151 1152 /* Create Context Values */ 1153 #define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */ 1154 #define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */ 1155 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ" 1156 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC" 1157 #define SMB2_CREATE_ALLOCATION_SIZE "AlSi" 1158 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc" 1159 #define SMB2_CREATE_TIMEWARP_REQUEST "TWrp" 1160 #define SMB2_CREATE_QUERY_ON_DISK_ID "QFid" 1161 #define SMB2_CREATE_REQUEST_LEASE "RqLs" 1162 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q" 1163 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C" 1164 #define SMB2_CREATE_TAG_POSIX "\x93\xAD\x25\x50\x9C\xB4\x11\xE7\xB4\x23\x83\xDE\x96\x8B\xCD\x7C" 1165 #define SMB2_CREATE_APP_INSTANCE_ID "\x45\xBC\xA6\x6A\xEF\xA7\xF7\x4A\x90\x08\xFA\x46\x2E\x14\x4D\x74" 1166 #define SMB2_CREATE_APP_INSTANCE_VERSION "\xB9\x82\xD0\xB7\x3B\x56\x07\x4F\xA0\x7B\x52\x4A\x81\x16\xA0\x10" 1167 #define SVHDX_OPEN_DEVICE_CONTEXT "\x9C\xCB\xCF\x9E\x04\xC1\xE6\x43\x98\x0E\x15\x8D\xA1\xF6\xEC\x83" 1168 #define SMB2_CREATE_TAG_AAPL "AAPL" 1169 1170 /* Flag (SMB3 open response) values */ 1171 #define SMB2_CREATE_FLAG_REPARSEPOINT 0x01 1172 1173 struct create_context { 1174 /* New members must be added within the struct_group() macro below. */ 1175 __struct_group(create_context_hdr, hdr, __packed, 1176 __le32 Next; 1177 __le16 NameOffset; 1178 __le16 NameLength; 1179 __le16 Reserved; 1180 __le16 DataOffset; 1181 __le32 DataLength; 1182 ); 1183 __u8 Buffer[]; 1184 } __packed; 1185 1186 struct smb2_create_req { 1187 struct smb2_hdr hdr; 1188 __le16 StructureSize; /* Must be 57 */ 1189 __u8 SecurityFlags; 1190 __u8 RequestedOplockLevel; 1191 __le32 ImpersonationLevel; 1192 __le64 SmbCreateFlags; 1193 __le64 Reserved; 1194 __le32 DesiredAccess; 1195 __le32 FileAttributes; 1196 __le32 ShareAccess; 1197 __le32 CreateDisposition; 1198 __le32 CreateOptions; 1199 __le16 NameOffset; 1200 __le16 NameLength; 1201 __le32 CreateContextsOffset; 1202 __le32 CreateContextsLength; 1203 __u8 Buffer[]; 1204 } __packed; 1205 1206 struct smb2_create_rsp { 1207 struct smb2_hdr hdr; 1208 __le16 StructureSize; /* Must be 89 */ 1209 __u8 OplockLevel; 1210 __u8 Flags; /* 0x01 if reparse point */ 1211 __le32 CreateAction; 1212 __le64 CreationTime; 1213 __le64 LastAccessTime; 1214 __le64 LastWriteTime; 1215 __le64 ChangeTime; 1216 __le64 AllocationSize; 1217 __le64 EndofFile; 1218 __le32 FileAttributes; 1219 __le32 Reserved2; 1220 __u64 PersistentFileId; 1221 __u64 VolatileFileId; 1222 __le32 CreateContextsOffset; 1223 __le32 CreateContextsLength; 1224 __u8 Buffer[]; 1225 } __packed; 1226 1227 struct create_posix { 1228 struct create_context_hdr ccontext; 1229 __u8 Name[16]; 1230 __le32 Mode; 1231 __u32 Reserved; 1232 } __packed; 1233 1234 /* See MS-SMB2 2.2.13.2.3 and MS-SMB2 2.2.13.2.4 */ 1235 struct create_durable { 1236 struct create_context_hdr ccontext; 1237 __u8 Name[8]; 1238 union { 1239 __u8 Reserved[16]; 1240 struct { 1241 __u64 PersistentFileId; 1242 __u64 VolatileFileId; 1243 } Fid; 1244 } Data; 1245 } __packed; 1246 1247 /* See MS-SMB2 2.2.13.2.5 */ 1248 struct create_mxac_req { 1249 struct create_context_hdr ccontext; 1250 __u8 Name[8]; 1251 __le64 Timestamp; 1252 } __packed; 1253 1254 /* See MS-SMB2 2.2.14.2.5 */ 1255 struct create_mxac_rsp { 1256 struct create_context_hdr ccontext; 1257 __u8 Name[8]; 1258 __le32 QueryStatus; 1259 __le32 MaximalAccess; 1260 } __packed; 1261 1262 #define SMB2_LEASE_NONE_LE cpu_to_le32(0x00) 1263 #define SMB2_LEASE_READ_CACHING_LE cpu_to_le32(0x01) 1264 #define SMB2_LEASE_HANDLE_CACHING_LE cpu_to_le32(0x02) 1265 #define SMB2_LEASE_WRITE_CACHING_LE cpu_to_le32(0x04) 1266 1267 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS_LE cpu_to_le32(0x02) 1268 #define SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET_LE cpu_to_le32(0x04) 1269 1270 #define SMB2_LEASE_KEY_SIZE 16 1271 1272 /* See MS-SMB2 2.2.13.2.8 */ 1273 struct lease_context { 1274 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 1275 __le32 LeaseState; 1276 __le32 LeaseFlags; 1277 __le64 LeaseDuration; 1278 } __packed; 1279 1280 /* See MS-SMB2 2.2.13.2.10 */ 1281 struct lease_context_v2 { 1282 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 1283 __le32 LeaseState; 1284 __le32 LeaseFlags; 1285 __le64 LeaseDuration; 1286 __u8 ParentLeaseKey[SMB2_LEASE_KEY_SIZE]; 1287 __le16 Epoch; 1288 __le16 Reserved; 1289 } __packed; 1290 1291 struct create_lease { 1292 struct create_context_hdr ccontext; 1293 __u8 Name[8]; 1294 struct lease_context lcontext; 1295 } __packed; 1296 1297 struct create_lease_v2 { 1298 struct create_context_hdr ccontext; 1299 __u8 Name[8]; 1300 struct lease_context_v2 lcontext; 1301 __u8 Pad[4]; 1302 } __packed; 1303 1304 /* See MS-SMB2 2.2.14.2.9 */ 1305 struct create_disk_id_rsp { 1306 struct create_context_hdr ccontext; 1307 __u8 Name[8]; 1308 __le64 DiskFileId; 1309 __le64 VolumeId; 1310 __u8 Reserved[16]; 1311 } __packed; 1312 1313 /* See MS-SMB2 2.2.13.2.13 */ 1314 struct create_app_inst_id { 1315 struct create_context_hdr ccontext; 1316 __u8 Name[16]; 1317 __le32 StructureSize; /* Must be 20 */ 1318 __u16 Reserved; 1319 __u8 AppInstanceId[16]; 1320 } __packed; 1321 1322 /* See MS-SMB2 2.2.13.2.15 */ 1323 struct create_app_inst_id_vers { 1324 struct create_context_hdr ccontext; 1325 __u8 Name[16]; 1326 __le32 StructureSize; /* Must be 24 */ 1327 __u16 Reserved; 1328 __u32 Padding; 1329 __le64 AppInstanceVersionHigh; 1330 __le64 AppInstanceVersionLow; 1331 } __packed; 1332 1333 /* See MS-SMB2 2.2.31 and 2.2.32 */ 1334 struct smb2_ioctl_req { 1335 struct smb2_hdr hdr; 1336 __le16 StructureSize; /* Must be 57 */ 1337 __le16 Reserved; /* offset from start of SMB2 header to write data */ 1338 __le32 CtlCode; 1339 __u64 PersistentFileId; 1340 __u64 VolatileFileId; 1341 __le32 InputOffset; /* Reserved MBZ */ 1342 __le32 InputCount; 1343 __le32 MaxInputResponse; 1344 __le32 OutputOffset; 1345 __le32 OutputCount; 1346 __le32 MaxOutputResponse; 1347 __le32 Flags; 1348 __le32 Reserved2; 1349 __u8 Buffer[]; 1350 } __packed; 1351 1352 struct smb2_ioctl_rsp { 1353 struct smb2_hdr hdr; 1354 __le16 StructureSize; /* Must be 49 */ 1355 __le16 Reserved; 1356 __le32 CtlCode; 1357 __u64 PersistentFileId; 1358 __u64 VolatileFileId; 1359 __le32 InputOffset; /* Reserved MBZ */ 1360 __le32 InputCount; 1361 __le32 OutputOffset; 1362 __le32 OutputCount; 1363 __le32 Flags; 1364 __le32 Reserved2; 1365 __u8 Buffer[]; 1366 } __packed; 1367 1368 /* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */ 1369 struct file_zero_data_information { 1370 __le64 FileOffset; 1371 __le64 BeyondFinalZero; 1372 } __packed; 1373 1374 /* See MS-FSCC 2.3.7 */ 1375 struct duplicate_extents_to_file { 1376 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 1377 __u64 VolatileFileHandle; 1378 __le64 SourceFileOffset; 1379 __le64 TargetFileOffset; 1380 __le64 ByteCount; /* Bytes to be copied */ 1381 } __packed; 1382 1383 /* See MS-FSCC 2.3.8 */ 1384 #define DUPLICATE_EXTENTS_DATA_EX_SOURCE_ATOMIC 0x00000001 1385 struct duplicate_extents_to_file_ex { 1386 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 1387 __u64 VolatileFileHandle; 1388 __le64 SourceFileOffset; 1389 __le64 TargetFileOffset; 1390 __le64 ByteCount; /* Bytes to be copied */ 1391 __le32 Flags; 1392 __le32 Reserved; 1393 } __packed; 1394 1395 1396 /* See MS-FSCC 2.3.20 */ 1397 struct fsctl_get_integrity_information_rsp { 1398 __le16 ChecksumAlgorithm; 1399 __le16 Reserved; 1400 __le32 Flags; 1401 __le32 ChecksumChunkSizeInBytes; 1402 __le32 ClusterSizeInBytes; 1403 } __packed; 1404 1405 /* See MS-FSCC 2.3.55 */ 1406 struct fsctl_query_file_regions_req { 1407 __le64 FileOffset; 1408 __le64 Length; 1409 __le32 DesiredUsage; 1410 __le32 Reserved; 1411 } __packed; 1412 1413 /* DesiredUsage flags see MS-FSCC 2.3.56.1 */ 1414 #define FILE_USAGE_INVALID_RANGE 0x00000000 1415 #define FILE_USAGE_VALID_CACHED_DATA 0x00000001 1416 #define FILE_USAGE_NONCACHED_DATA 0x00000002 1417 1418 struct file_region_info { 1419 __le64 FileOffset; 1420 __le64 Length; 1421 __le32 DesiredUsage; 1422 __le32 Reserved; 1423 } __packed; 1424 1425 /* See MS-FSCC 2.3.56 */ 1426 struct fsctl_query_file_region_rsp { 1427 __le32 Flags; 1428 __le32 TotalRegionEntryCount; 1429 __le32 RegionEntryCount; 1430 __u32 Reserved; 1431 struct file_region_info Regions[]; 1432 } __packed; 1433 1434 /* See MS-FSCC 2.3.58 */ 1435 struct fsctl_query_on_disk_vol_info_rsp { 1436 __le64 DirectoryCount; 1437 __le64 FileCount; 1438 __le16 FsFormatMajVersion; 1439 __le16 FsFormatMinVersion; 1440 __u8 FsFormatName[24]; 1441 __le64 FormatTime; 1442 __le64 LastUpdateTime; 1443 __u8 CopyrightInfo[68]; 1444 __u8 AbstractInfo[68]; 1445 __u8 FormatImplInfo[68]; 1446 __u8 LastModifyImplInfo[68]; 1447 } __packed; 1448 1449 /* See MS-FSCC 2.3.73 */ 1450 struct fsctl_set_integrity_information_req { 1451 __le16 ChecksumAlgorithm; 1452 __le16 Reserved; 1453 __le32 Flags; 1454 } __packed; 1455 1456 /* See MS-FSCC 2.3.75 */ 1457 struct fsctl_set_integrity_info_ex_req { 1458 __u8 EnableIntegrity; 1459 __u8 KeepState; 1460 __u16 Reserved; 1461 __le32 Flags; 1462 __u8 Version; 1463 __u8 Reserved2[7]; 1464 } __packed; 1465 1466 /* Integrity ChecksumAlgorithm choices for above */ 1467 #define CHECKSUM_TYPE_NONE 0x0000 1468 #define CHECKSUM_TYPE_CRC64 0x0002 1469 #define CHECKSUM_TYPE_UNCHANGED 0xFFFF /* set only */ 1470 1471 /* Integrity flags for above */ 1472 #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x00000001 1473 1474 /* Reparse structures - see MS-FSCC 2.1.2 */ 1475 1476 /* struct fsctl_reparse_info_req is empty, only response structs (see below) */ 1477 struct reparse_data_buffer { 1478 __le32 ReparseTag; 1479 __le16 ReparseDataLength; 1480 __u16 Reserved; 1481 __u8 DataBuffer[]; /* Variable Length */ 1482 } __packed; 1483 1484 struct reparse_guid_data_buffer { 1485 __le32 ReparseTag; 1486 __le16 ReparseDataLength; 1487 __u16 Reserved; 1488 __u8 ReparseGuid[16]; 1489 __u8 DataBuffer[]; /* Variable Length */ 1490 } __packed; 1491 1492 struct reparse_mount_point_data_buffer { 1493 __le32 ReparseTag; 1494 __le16 ReparseDataLength; 1495 __u16 Reserved; 1496 __le16 SubstituteNameOffset; 1497 __le16 SubstituteNameLength; 1498 __le16 PrintNameOffset; 1499 __le16 PrintNameLength; 1500 __u8 PathBuffer[]; /* Variable Length */ 1501 } __packed; 1502 1503 #define SYMLINK_FLAG_RELATIVE 0x00000001 1504 1505 struct reparse_symlink_data_buffer { 1506 __le32 ReparseTag; 1507 __le16 ReparseDataLength; 1508 __u16 Reserved; 1509 __le16 SubstituteNameOffset; 1510 __le16 SubstituteNameLength; 1511 __le16 PrintNameOffset; 1512 __le16 PrintNameLength; 1513 __le32 Flags; 1514 __u8 PathBuffer[]; /* Variable Length */ 1515 } __packed; 1516 1517 /* See MS-FSCC 2.1.2.6 and cifspdu.h for struct reparse_posix_data */ 1518 1519 struct validate_negotiate_info_req { 1520 __le32 Capabilities; 1521 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1522 __le16 SecurityMode; 1523 __le16 DialectCount; 1524 __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */ 1525 } __packed; 1526 1527 struct validate_negotiate_info_rsp { 1528 __le32 Capabilities; 1529 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1530 __le16 SecurityMode; 1531 __le16 Dialect; /* Dialect in use for the connection */ 1532 } __packed; 1533 1534 1535 /* Possible InfoType values */ 1536 #define SMB2_O_INFO_FILE 0x01 1537 #define SMB2_O_INFO_FILESYSTEM 0x02 1538 #define SMB2_O_INFO_SECURITY 0x03 1539 #define SMB2_O_INFO_QUOTA 0x04 1540 1541 /* SMB2 Query Info see MS-SMB2 (2.2.37) or MS-DTYP */ 1542 1543 /* List of QUERY INFO levels (those also valid for QUERY_DIR are noted below */ 1544 #define FILE_DIRECTORY_INFORMATION 1 /* also for QUERY_DIR */ 1545 #define FILE_FULL_DIRECTORY_INFORMATION 2 /* also for QUERY_DIR */ 1546 #define FILE_BOTH_DIRECTORY_INFORMATION 3 /* also for QUERY_DIR */ 1547 #define FILE_BASIC_INFORMATION 4 1548 #define FILE_STANDARD_INFORMATION 5 1549 #define FILE_INTERNAL_INFORMATION 6 1550 #define FILE_EA_INFORMATION 7 1551 #define FILE_ACCESS_INFORMATION 8 1552 #define FILE_NAME_INFORMATION 9 1553 #define FILE_RENAME_INFORMATION 10 1554 #define FILE_LINK_INFORMATION 11 1555 #define FILE_NAMES_INFORMATION 12 /* also for QUERY_DIR */ 1556 #define FILE_DISPOSITION_INFORMATION 13 1557 #define FILE_POSITION_INFORMATION 14 1558 #define FILE_FULL_EA_INFORMATION 15 1559 #define FILE_MODE_INFORMATION 16 1560 #define FILE_ALIGNMENT_INFORMATION 17 1561 #define FILE_ALL_INFORMATION 18 1562 #define FILE_ALLOCATION_INFORMATION 19 1563 #define FILE_END_OF_FILE_INFORMATION 20 1564 #define FILE_ALTERNATE_NAME_INFORMATION 21 1565 #define FILE_STREAM_INFORMATION 22 1566 #define FILE_PIPE_INFORMATION 23 1567 #define FILE_PIPE_LOCAL_INFORMATION 24 1568 #define FILE_PIPE_REMOTE_INFORMATION 25 1569 #define FILE_MAILSLOT_QUERY_INFORMATION 26 1570 #define FILE_MAILSLOT_SET_INFORMATION 27 1571 #define FILE_COMPRESSION_INFORMATION 28 1572 #define FILE_OBJECT_ID_INFORMATION 29 1573 /* Number 30 not defined in documents */ 1574 #define FILE_MOVE_CLUSTER_INFORMATION 31 1575 #define FILE_QUOTA_INFORMATION 32 1576 #define FILE_REPARSE_POINT_INFORMATION 33 1577 #define FILE_NETWORK_OPEN_INFORMATION 34 1578 #define FILE_ATTRIBUTE_TAG_INFORMATION 35 1579 #define FILE_TRACKING_INFORMATION 36 1580 #define FILEID_BOTH_DIRECTORY_INFORMATION 37 /* also for QUERY_DIR */ 1581 #define FILEID_FULL_DIRECTORY_INFORMATION 38 /* also for QUERY_DIR */ 1582 #define FILE_VALID_DATA_LENGTH_INFORMATION 39 1583 #define FILE_SHORT_NAME_INFORMATION 40 1584 #define FILE_SFIO_RESERVE_INFORMATION 44 1585 #define FILE_SFIO_VOLUME_INFORMATION 45 1586 #define FILE_HARD_LINK_INFORMATION 46 1587 #define FILE_NORMALIZED_NAME_INFORMATION 48 1588 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50 1589 #define FILE_STANDARD_LINK_INFORMATION 54 1590 #define FILE_ID_INFORMATION 59 1591 #define FILE_ID_EXTD_DIRECTORY_INFORMATION 60 /* also for QUERY_DIR */ 1592 /* Used for Query Info and Find File POSIX Info for SMB3.1.1 and SMB1 */ 1593 #define SMB_FIND_FILE_POSIX_INFO 0x064 1594 1595 /* Security info type additionalinfo flags. */ 1596 #define OWNER_SECINFO 0x00000001 1597 #define GROUP_SECINFO 0x00000002 1598 #define DACL_SECINFO 0x00000004 1599 #define SACL_SECINFO 0x00000008 1600 #define LABEL_SECINFO 0x00000010 1601 #define ATTRIBUTE_SECINFO 0x00000020 1602 #define SCOPE_SECINFO 0x00000040 1603 #define BACKUP_SECINFO 0x00010000 1604 #define UNPROTECTED_SACL_SECINFO 0x10000000 1605 #define UNPROTECTED_DACL_SECINFO 0x20000000 1606 #define PROTECTED_SACL_SECINFO 0x40000000 1607 #define PROTECTED_DACL_SECINFO 0x80000000 1608 1609 /* Flags used for FileFullEAinfo */ 1610 #define SL_RESTART_SCAN 0x00000001 1611 #define SL_RETURN_SINGLE_ENTRY 0x00000002 1612 #define SL_INDEX_SPECIFIED 0x00000004 1613 1614 struct smb2_query_info_req { 1615 struct smb2_hdr hdr; 1616 __le16 StructureSize; /* Must be 41 */ 1617 __u8 InfoType; 1618 __u8 FileInfoClass; 1619 __le32 OutputBufferLength; 1620 __le16 InputBufferOffset; 1621 __u16 Reserved; 1622 __le32 InputBufferLength; 1623 __le32 AdditionalInformation; 1624 __le32 Flags; 1625 __u64 PersistentFileId; 1626 __u64 VolatileFileId; 1627 __u8 Buffer[]; 1628 } __packed; 1629 1630 struct smb2_query_info_rsp { 1631 struct smb2_hdr hdr; 1632 __le16 StructureSize; /* Must be 9 */ 1633 __le16 OutputBufferOffset; 1634 __le32 OutputBufferLength; 1635 __u8 Buffer[]; 1636 } __packed; 1637 1638 /* 1639 * PDU query infolevel structure definitions 1640 */ 1641 1642 /* See MS-FSCC 2.3.52 */ 1643 struct file_allocated_range_buffer { 1644 __le64 file_offset; 1645 __le64 length; 1646 } __packed; 1647 1648 struct smb2_file_internal_info { 1649 __le64 IndexNumber; 1650 } __packed; /* level 6 Query */ 1651 1652 struct smb2_file_rename_info { /* encoding of request for level 10 */ 1653 __u8 ReplaceIfExists; /* 1 = replace existing target with new */ 1654 /* 0 = fail if target already exists */ 1655 __u8 Reserved[7]; 1656 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1657 __le32 FileNameLength; 1658 char FileName[]; /* New name to be assigned */ 1659 /* padding - overall struct size must be >= 24 so filename + pad >= 6 */ 1660 } __packed; /* level 10 Set */ 1661 1662 struct smb2_file_link_info { /* encoding of request for level 11 */ 1663 __u8 ReplaceIfExists; /* 1 = replace existing link with new */ 1664 /* 0 = fail if link already exists */ 1665 __u8 Reserved[7]; 1666 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1667 __le32 FileNameLength; 1668 char FileName[]; /* Name to be assigned to new link */ 1669 } __packed; /* level 11 Set */ 1670 1671 /* 1672 * This level 18, although with struct with same name is different from cifs 1673 * level 0x107. Level 0x107 has an extra u64 between AccessFlags and 1674 * CurrentByteOffset. 1675 */ 1676 struct smb2_file_all_info { /* data block encoding of response to level 18 */ 1677 __le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */ 1678 __le64 LastAccessTime; 1679 __le64 LastWriteTime; 1680 __le64 ChangeTime; 1681 __le32 Attributes; 1682 __u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */ 1683 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 1684 __le64 EndOfFile; /* size ie offset to first free byte in file */ 1685 __le32 NumberOfLinks; /* hard links */ 1686 __u8 DeletePending; 1687 __u8 Directory; 1688 __u16 Pad2; /* End of FILE_STANDARD_INFO equivalent */ 1689 __le64 IndexNumber; 1690 __le32 EASize; 1691 __le32 AccessFlags; 1692 __le64 CurrentByteOffset; 1693 __le32 Mode; 1694 __le32 AlignmentRequirement; 1695 __le32 FileNameLength; 1696 union { 1697 char __pad; /* Legacy structure padding */ 1698 DECLARE_FLEX_ARRAY(char, FileName); 1699 }; 1700 } __packed; /* level 18 Query */ 1701 1702 struct smb2_file_eof_info { /* encoding of request for level 10 */ 1703 __le64 EndOfFile; /* new end of file value */ 1704 } __packed; /* level 20 Set */ 1705 1706 /* Level 100 query info */ 1707 struct smb311_posix_qinfo { 1708 __le64 CreationTime; 1709 __le64 LastAccessTime; 1710 __le64 LastWriteTime; 1711 __le64 ChangeTime; 1712 __le64 EndOfFile; 1713 __le64 AllocationSize; 1714 __le32 DosAttributes; 1715 __le64 Inode; 1716 __le32 DeviceId; 1717 __le32 Zero; 1718 /* beginning of POSIX Create Context Response */ 1719 __le32 HardLinks; 1720 __le32 ReparseTag; 1721 __le32 Mode; 1722 u8 Sids[]; 1723 /* 1724 * var sized owner SID 1725 * var sized group SID 1726 * le32 filenamelength 1727 * u8 filename[] 1728 */ 1729 } __packed; 1730 1731 /* File System Information Classes */ 1732 #define FS_VOLUME_INFORMATION 1 /* Query */ 1733 #define FS_LABEL_INFORMATION 2 /* Set */ 1734 #define FS_SIZE_INFORMATION 3 /* Query */ 1735 #define FS_DEVICE_INFORMATION 4 /* Query */ 1736 #define FS_ATTRIBUTE_INFORMATION 5 /* Query */ 1737 #define FS_CONTROL_INFORMATION 6 /* Query, Set */ 1738 #define FS_FULL_SIZE_INFORMATION 7 /* Query */ 1739 #define FS_OBJECT_ID_INFORMATION 8 /* Query, Set */ 1740 #define FS_DRIVER_PATH_INFORMATION 9 /* Query */ 1741 #define FS_SECTOR_SIZE_INFORMATION 11 /* SMB3 or later. Query */ 1742 #define FS_POSIX_INFORMATION 100 /* SMB3.1.1 POSIX. Query */ 1743 1744 struct smb2_fs_full_size_info { 1745 __le64 TotalAllocationUnits; 1746 __le64 CallerAvailableAllocationUnits; 1747 __le64 ActualAvailableAllocationUnits; 1748 __le32 SectorsPerAllocationUnit; 1749 __le32 BytesPerSector; 1750 } __packed; 1751 1752 #define SSINFO_FLAGS_ALIGNED_DEVICE 0x00000001 1753 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002 1754 #define SSINFO_FLAGS_NO_SEEK_PENALTY 0x00000004 1755 #define SSINFO_FLAGS_TRIM_ENABLED 0x00000008 1756 1757 /* sector size info struct */ 1758 struct smb3_fs_ss_info { 1759 __le32 LogicalBytesPerSector; 1760 __le32 PhysicalBytesPerSectorForAtomicity; 1761 __le32 PhysicalBytesPerSectorForPerf; 1762 __le32 FSEffPhysicalBytesPerSectorForAtomicity; 1763 __le32 Flags; 1764 __le32 ByteOffsetForSectorAlignment; 1765 __le32 ByteOffsetForPartitionAlignment; 1766 } __packed; 1767 1768 /* File System Control Information */ 1769 struct smb2_fs_control_info { 1770 __le64 FreeSpaceStartFiltering; 1771 __le64 FreeSpaceThreshold; 1772 __le64 FreeSpaceStopFiltering; 1773 __le64 DefaultQuotaThreshold; 1774 __le64 DefaultQuotaLimit; 1775 __le32 FileSystemControlFlags; 1776 __le32 Padding; 1777 } __packed; 1778 1779 /* volume info struct - see MS-FSCC 2.5.9 */ 1780 #define MAX_VOL_LABEL_LEN 32 1781 struct smb3_fs_vol_info { 1782 __le64 VolumeCreationTime; 1783 __u32 VolumeSerialNumber; 1784 __le32 VolumeLabelLength; /* includes trailing null */ 1785 __u8 SupportsObjects; /* True if eg like NTFS, supports objects */ 1786 __u8 Reserved; 1787 __u8 VolumeLabel[]; /* variable len */ 1788 } __packed; 1789 1790 /* See MS-SMB2 2.2.23 through 2.2.25 */ 1791 struct smb2_oplock_break { 1792 struct smb2_hdr hdr; 1793 __le16 StructureSize; /* Must be 24 */ 1794 __u8 OplockLevel; 1795 __u8 Reserved; 1796 __le32 Reserved2; 1797 __u64 PersistentFid; 1798 __u64 VolatileFid; 1799 } __packed; 1800 1801 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01) 1802 1803 struct smb2_lease_break { 1804 struct smb2_hdr hdr; 1805 __le16 StructureSize; /* Must be 44 */ 1806 __le16 Epoch; 1807 __le32 Flags; 1808 __u8 LeaseKey[16]; 1809 __le32 CurrentLeaseState; 1810 __le32 NewLeaseState; 1811 __le32 BreakReason; 1812 __le32 AccessMaskHint; 1813 __le32 ShareMaskHint; 1814 } __packed; 1815 1816 struct smb2_lease_ack { 1817 struct smb2_hdr hdr; 1818 __le16 StructureSize; /* Must be 36 */ 1819 __le16 Reserved; 1820 __le32 Flags; 1821 __u8 LeaseKey[16]; 1822 __le32 LeaseState; 1823 __le64 LeaseDuration; 1824 } __packed; 1825 1826 #define OP_BREAK_STRUCT_SIZE_20 24 1827 #define OP_BREAK_STRUCT_SIZE_21 36 1828 #endif /* _COMMON_SMB2PDU_H */ 1829