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 /* See MS-SMB2 2.2.42 */ 213 struct smb2_compression_transform_hdr_unchained { 214 __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */ 215 __le32 OriginalCompressedSegmentSize; 216 __le16 CompressionAlgorithm; 217 __le16 Flags; 218 __le16 Length; /* if chained it is length, else offset */ 219 } __packed; 220 221 /* See MS-SMB2 2.2.42.1 */ 222 #define SMB2_COMPRESSION_FLAG_NONE 0x0000 223 #define SMB2_COMPRESSION_FLAG_CHAINED 0x0001 224 225 struct compression_payload_header { 226 __le16 CompressionAlgorithm; 227 __le16 Flags; 228 __le32 Length; /* length of compressed playload including field below if present */ 229 /* __le32 OriginalPayloadSize; */ /* optional, present when LZNT1, LZ77, LZ77+Huffman */ 230 } __packed; 231 232 /* See MS-SMB2 2.2.42.2 */ 233 struct smb2_compression_transform_hdr_chained { 234 __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */ 235 __le32 OriginalCompressedSegmentSize; 236 /* struct compression_payload_header[] */ 237 } __packed; 238 239 /* See MS-SMB2 2.2.42.2.2 */ 240 struct compression_pattern_payload_v1 { 241 __le16 Pattern; 242 __le16 Reserved1; 243 __le16 Reserved2; 244 __le32 Repetitions; 245 } __packed; 246 247 /* See MS-SMB2 section 2.2.9.2 */ 248 /* Context Types */ 249 #define SMB2_RESERVED_TREE_CONNECT_CONTEXT_ID 0x0000 250 #define SMB2_REMOTED_IDENTITY_TREE_CONNECT_CONTEXT_ID cpu_to_le16(0x0001) 251 252 struct tree_connect_contexts { 253 __le16 ContextType; 254 __le16 DataLength; 255 __le32 Reserved; 256 __u8 Data[]; 257 } __packed; 258 259 /* Remoted identity tree connect context structures - see MS-SMB2 2.2.9.2.1 */ 260 struct smb3_blob_data { 261 __le16 BlobSize; 262 __u8 BlobData[]; 263 } __packed; 264 265 /* Valid values for Attr */ 266 #define SE_GROUP_MANDATORY 0x00000001 267 #define SE_GROUP_ENABLED_BY_DEFAULT 0x00000002 268 #define SE_GROUP_ENABLED 0x00000004 269 #define SE_GROUP_OWNER 0x00000008 270 #define SE_GROUP_USE_FOR_DENY_ONLY 0x00000010 271 #define SE_GROUP_INTEGRITY 0x00000020 272 #define SE_GROUP_INTEGRITY_ENABLED 0x00000040 273 #define SE_GROUP_RESOURCE 0x20000000 274 #define SE_GROUP_LOGON_ID 0xC0000000 275 276 /* struct sid_attr_data is SidData array in BlobData format then le32 Attr */ 277 278 struct sid_array_data { 279 __le16 SidAttrCount; 280 /* SidAttrList - array of sid_attr_data structs */ 281 } __packed; 282 283 struct luid_attr_data { 284 285 } __packed; 286 287 /* 288 * struct privilege_data is the same as BLOB_DATA - see MS-SMB2 2.2.9.2.1.5 289 * but with size of LUID_ATTR_DATA struct and BlobData set to LUID_ATTR DATA 290 */ 291 292 struct privilege_array_data { 293 __le16 PrivilegeCount; 294 /* array of privilege_data structs */ 295 } __packed; 296 297 struct remoted_identity_tcon_context { 298 __le16 TicketType; /* must be 0x0001 */ 299 __le16 TicketSize; /* total size of this struct */ 300 __le16 User; /* offset to SID_ATTR_DATA struct with user info */ 301 __le16 UserName; /* offset to null terminated Unicode username string */ 302 __le16 Domain; /* offset to null terminated Unicode domain name */ 303 __le16 Groups; /* offset to SID_ARRAY_DATA struct with group info */ 304 __le16 RestrictedGroups; /* similar to above */ 305 __le16 Privileges; /* offset to PRIVILEGE_ARRAY_DATA struct */ 306 __le16 PrimaryGroup; /* offset to SID_ARRAY_DATA struct */ 307 __le16 Owner; /* offset to BLOB_DATA struct */ 308 __le16 DefaultDacl; /* offset to BLOB_DATA struct */ 309 __le16 DeviceGroups; /* offset to SID_ARRAY_DATA struct */ 310 __le16 UserClaims; /* offset to BLOB_DATA struct */ 311 __le16 DeviceClaims; /* offset to BLOB_DATA struct */ 312 __u8 TicketInfo[]; /* variable length buf - remoted identity data */ 313 } __packed; 314 315 struct smb2_tree_connect_req_extension { 316 __le32 TreeConnectContextOffset; 317 __le16 TreeConnectContextCount; 318 __u8 Reserved[10]; 319 __u8 PathName[]; /* variable sized array */ 320 /* followed by array of TreeConnectContexts */ 321 } __packed; 322 323 /* Flags/Reserved for SMB3.1.1 */ 324 #define SMB2_TREE_CONNECT_FLAG_CLUSTER_RECONNECT cpu_to_le16(0x0001) 325 #define SMB2_TREE_CONNECT_FLAG_REDIRECT_TO_OWNER cpu_to_le16(0x0002) 326 #define SMB2_TREE_CONNECT_FLAG_EXTENSION_PRESENT cpu_to_le16(0x0004) 327 328 struct smb2_tree_connect_req { 329 struct smb2_hdr hdr; 330 __le16 StructureSize; /* Must be 9 */ 331 __le16 Flags; /* Flags in SMB3.1.1 */ 332 __le16 PathOffset; 333 __le16 PathLength; 334 __u8 Buffer[]; /* variable length */ 335 } __packed; 336 337 /* Possible ShareType values */ 338 #define SMB2_SHARE_TYPE_DISK 0x01 339 #define SMB2_SHARE_TYPE_PIPE 0x02 340 #define SMB2_SHARE_TYPE_PRINT 0x03 341 342 /* 343 * Possible ShareFlags - exactly one and only one of the first 4 caching flags 344 * must be set (any of the remaining, SHI1005, flags may be set individually 345 * or in combination. 346 */ 347 #define SMB2_SHAREFLAG_MANUAL_CACHING 0x00000000 348 #define SMB2_SHAREFLAG_AUTO_CACHING 0x00000010 349 #define SMB2_SHAREFLAG_VDO_CACHING 0x00000020 350 #define SMB2_SHAREFLAG_NO_CACHING 0x00000030 351 #define SHI1005_FLAGS_DFS 0x00000001 352 #define SHI1005_FLAGS_DFS_ROOT 0x00000002 353 #define SMB2_SHAREFLAG_RESTRICT_EXCLUSIVE_OPENS 0x00000100 354 #define SMB2_SHAREFLAG_FORCE_SHARED_DELETE 0x00000200 355 #define SMB2_SHAREFLAG_ALLOW_NAMESPACE_CACHING 0x00000400 356 #define SMB2_SHAREFLAG_ACCESS_BASED_DIRECTORY_ENUM 0x00000800 357 #define SMB2_SHAREFLAG_FORCE_LEVELII_OPLOCK 0x00001000 358 #define SMB2_SHAREFLAG_ENABLE_HASH_V1 0x00002000 359 #define SMB2_SHAREFLAG_ENABLE_HASH_V2 0x00004000 360 #define SHI1005_FLAGS_ENCRYPT_DATA 0x00008000 361 #define SMB2_SHAREFLAG_IDENTITY_REMOTING 0x00040000 /* 3.1.1 */ 362 #define SMB2_SHAREFLAG_COMPRESS_DATA 0x00100000 /* 3.1.1 */ 363 #define SMB2_SHAREFLAG_ISOLATED_TRANSPORT 0x00200000 364 #define SHI1005_FLAGS_ALL 0x0034FF33 365 366 /* Possible share capabilities */ 367 #define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) /* all dialects */ 368 #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */ 369 #define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */ 370 #define SMB2_SHARE_CAP_CLUSTER cpu_to_le32(0x00000040) /* 3.0 */ 371 #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */ 372 #define SMB2_SHARE_CAP_REDIRECT_TO_OWNER cpu_to_le32(0x00000100) /* 3.1.1 */ 373 374 struct smb2_tree_connect_rsp { 375 struct smb2_hdr hdr; 376 __le16 StructureSize; /* Must be 16 */ 377 __u8 ShareType; /* see below */ 378 __u8 Reserved; 379 __le32 ShareFlags; /* see below */ 380 __le32 Capabilities; /* see below */ 381 __le32 MaximalAccess; 382 } __packed; 383 384 struct smb2_tree_disconnect_req { 385 struct smb2_hdr hdr; 386 __le16 StructureSize; /* Must be 4 */ 387 __le16 Reserved; 388 } __packed; 389 390 struct smb2_tree_disconnect_rsp { 391 struct smb2_hdr hdr; 392 __le16 StructureSize; /* Must be 4 */ 393 __le16 Reserved; 394 } __packed; 395 396 397 /* 398 * SMB2_NEGOTIATE_PROTOCOL See MS-SMB2 section 2.2.3 399 */ 400 /* SecurityMode flags */ 401 #define SMB2_NEGOTIATE_SIGNING_ENABLED 0x0001 402 #define SMB2_NEGOTIATE_SIGNING_ENABLED_LE cpu_to_le16(0x0001) 403 #define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002 404 #define SMB2_NEGOTIATE_SIGNING_REQUIRED_LE cpu_to_le16(0x0002) 405 #define SMB2_SEC_MODE_FLAGS_ALL 0x0003 406 407 /* Capabilities flags */ 408 #define SMB2_GLOBAL_CAP_DFS 0x00000001 409 #define SMB2_GLOBAL_CAP_LEASING 0x00000002 /* Resp only New to SMB2.1 */ 410 #define SMB2_GLOBAL_CAP_LARGE_MTU 0x00000004 /* Resp only New to SMB2.1 */ 411 #define SMB2_GLOBAL_CAP_MULTI_CHANNEL 0x00000008 /* New to SMB3 */ 412 #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */ 413 #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING 0x00000020 /* New to SMB3 */ 414 #define SMB2_GLOBAL_CAP_ENCRYPTION 0x00000040 /* New to SMB3 */ 415 #define SMB2_GLOBAL_CAP_NOTIFICATIONS 0x00000080 /* New to SMB3.1.1 */ 416 /* Internal types */ 417 #define SMB2_NT_FIND 0x00100000 418 #define SMB2_LARGE_FILES 0x00200000 419 420 #define SMB2_CLIENT_GUID_SIZE 16 421 #define SMB2_CREATE_GUID_SIZE 16 422 423 /* Dialects */ 424 #define SMB10_PROT_ID 0x0000 /* local only, not sent on wire w/CIFS negprot */ 425 #define SMB20_PROT_ID 0x0202 426 #define SMB21_PROT_ID 0x0210 427 #define SMB2X_PROT_ID 0x02FF 428 #define SMB30_PROT_ID 0x0300 429 #define SMB302_PROT_ID 0x0302 430 #define SMB311_PROT_ID 0x0311 431 #define BAD_PROT_ID 0xFFFF 432 433 #define SMB311_SALT_SIZE 32 434 /* Hash Algorithm Types */ 435 #define SMB2_PREAUTH_INTEGRITY_SHA512 cpu_to_le16(0x0001) 436 #define SMB2_PREAUTH_HASH_SIZE 64 437 438 /* Negotiate Contexts - ContextTypes. See MS-SMB2 section 2.2.3.1 for details */ 439 #define SMB2_PREAUTH_INTEGRITY_CAPABILITIES cpu_to_le16(1) 440 #define SMB2_ENCRYPTION_CAPABILITIES cpu_to_le16(2) 441 #define SMB2_COMPRESSION_CAPABILITIES cpu_to_le16(3) 442 #define SMB2_NETNAME_NEGOTIATE_CONTEXT_ID cpu_to_le16(5) 443 #define SMB2_TRANSPORT_CAPABILITIES cpu_to_le16(6) 444 #define SMB2_RDMA_TRANSFORM_CAPABILITIES cpu_to_le16(7) 445 #define SMB2_SIGNING_CAPABILITIES cpu_to_le16(8) 446 #define SMB2_POSIX_EXTENSIONS_AVAILABLE cpu_to_le16(0x100) 447 448 struct smb2_neg_context { 449 __le16 ContextType; 450 __le16 DataLength; 451 __le32 Reserved; 452 /* Followed by array of data. NOTE: some servers require padding to 8 byte boundary */ 453 } __packed; 454 455 /* 456 * SaltLength that the server send can be zero, so the only three required 457 * fields (all __le16) end up six bytes total, so the minimum context data len 458 * in the response is six bytes which accounts for 459 * 460 * HashAlgorithmCount, SaltLength, and 1 HashAlgorithm. 461 */ 462 #define MIN_PREAUTH_CTXT_DATA_LEN 6 463 464 struct smb2_preauth_neg_context { 465 __le16 ContextType; /* 1 */ 466 __le16 DataLength; 467 __le32 Reserved; 468 __le16 HashAlgorithmCount; /* 1 */ 469 __le16 SaltLength; 470 __le16 HashAlgorithms; /* HashAlgorithms[0] since only one defined */ 471 __u8 Salt[SMB311_SALT_SIZE]; 472 } __packed; 473 474 /* Encryption Algorithms Ciphers */ 475 #define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001) 476 #define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002) 477 #define SMB2_ENCRYPTION_AES256_CCM cpu_to_le16(0x0003) 478 #define SMB2_ENCRYPTION_AES256_GCM cpu_to_le16(0x0004) 479 480 /* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */ 481 #define MIN_ENCRYPT_CTXT_DATA_LEN 4 482 struct smb2_encryption_neg_context { 483 __le16 ContextType; /* 2 */ 484 __le16 DataLength; 485 __le32 Reserved; 486 /* CipherCount usally 2, but can be 3 when AES256-GCM enabled */ 487 __le16 CipherCount; /* AES128-GCM and AES128-CCM by default */ 488 __le16 Ciphers[]; 489 } __packed; 490 491 /* See MS-SMB2 2.2.3.1.3 */ 492 #define SMB3_COMPRESS_NONE cpu_to_le16(0x0000) 493 #define SMB3_COMPRESS_LZNT1 cpu_to_le16(0x0001) 494 #define SMB3_COMPRESS_LZ77 cpu_to_le16(0x0002) 495 #define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003) 496 /* Pattern scanning algorithm See MS-SMB2 3.1.4.4.1 */ 497 #define SMB3_COMPRESS_PATTERN cpu_to_le16(0x0004) /* Pattern_V1 */ 498 499 /* Compression Flags */ 500 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_NONE cpu_to_le32(0x00000000) 501 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_CHAINED cpu_to_le32(0x00000001) 502 503 struct smb2_compression_capabilities_context { 504 __le16 ContextType; /* 3 */ 505 __le16 DataLength; 506 __le32 Reserved; 507 __le16 CompressionAlgorithmCount; 508 __le16 Padding; 509 __le32 Flags; 510 __le16 CompressionAlgorithms[3]; 511 __u16 Pad; /* Some servers require pad to DataLen multiple of 8 */ 512 /* Check if pad needed */ 513 } __packed; 514 515 /* 516 * For smb2_netname_negotiate_context_id See MS-SMB2 2.2.3.1.4. 517 * Its struct simply contains NetName, an array of Unicode characters 518 */ 519 struct smb2_netname_neg_context { 520 __le16 ContextType; /* 5 */ 521 __le16 DataLength; 522 __le32 Reserved; 523 __le16 NetName[]; /* hostname of target converted to UCS-2 */ 524 } __packed; 525 526 /* 527 * For smb2_transport_capabilities context see MS-SMB2 2.2.3.1.5 528 * and 2.2.4.1.5 529 */ 530 531 /* Flags */ 532 #define SMB2_ACCEPT_TRANSPORT_LEVEL_SECURITY 0x00000001 533 534 struct smb2_transport_capabilities_context { 535 __le16 ContextType; /* 6 */ 536 __le16 DataLength; 537 __u32 Reserved; 538 __le32 Flags; 539 __u32 Pad; 540 } __packed; 541 542 /* 543 * For rdma transform capabilities context see MS-SMB2 2.2.3.1.6 544 * and 2.2.4.1.6 545 */ 546 547 /* RDMA Transform IDs */ 548 #define SMB2_RDMA_TRANSFORM_NONE 0x0000 549 #define SMB2_RDMA_TRANSFORM_ENCRYPTION 0x0001 550 #define SMB2_RDMA_TRANSFORM_SIGNING 0x0002 551 552 struct smb2_rdma_transform_capabilities_context { 553 __le16 ContextType; /* 7 */ 554 __le16 DataLength; 555 __u32 Reserved; 556 __le16 TransformCount; 557 __u16 Reserved1; 558 __u32 Reserved2; 559 __le16 RDMATransformIds[]; 560 } __packed; 561 562 /* 563 * For signing capabilities context see MS-SMB2 2.2.3.1.7 564 * and 2.2.4.1.7 565 */ 566 567 /* Signing algorithms */ 568 #define SIGNING_ALG_HMAC_SHA256 0 569 #define SIGNING_ALG_HMAC_SHA256_LE cpu_to_le16(0) 570 #define SIGNING_ALG_AES_CMAC 1 571 #define SIGNING_ALG_AES_CMAC_LE cpu_to_le16(1) 572 #define SIGNING_ALG_AES_GMAC 2 573 #define SIGNING_ALG_AES_GMAC_LE cpu_to_le16(2) 574 575 struct smb2_signing_capabilities { 576 __le16 ContextType; /* 8 */ 577 __le16 DataLength; 578 __le32 Reserved; 579 __le16 SigningAlgorithmCount; 580 __le16 SigningAlgorithms[]; 581 /* Followed by padding to 8 byte boundary (required by some servers) */ 582 } __packed; 583 584 #define POSIX_CTXT_DATA_LEN 16 585 struct smb2_posix_neg_context { 586 __le16 ContextType; /* 0x100 */ 587 __le16 DataLength; 588 __le32 Reserved; 589 __u8 Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */ 590 } __packed; 591 592 struct smb2_negotiate_req { 593 struct smb2_hdr hdr; 594 __le16 StructureSize; /* Must be 36 */ 595 __le16 DialectCount; 596 __le16 SecurityMode; 597 __le16 Reserved; /* MBZ */ 598 __le32 Capabilities; 599 __u8 ClientGUID[SMB2_CLIENT_GUID_SIZE]; 600 /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */ 601 __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */ 602 __le16 NegotiateContextCount; /* SMB3.1.1 only. MBZ earlier */ 603 __le16 Reserved2; 604 __le16 Dialects[]; 605 } __packed; 606 607 struct smb2_negotiate_rsp { 608 struct smb2_hdr hdr; 609 __le16 StructureSize; /* Must be 65 */ 610 __le16 SecurityMode; 611 __le16 DialectRevision; 612 __le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */ 613 __u8 ServerGUID[16]; 614 __le32 Capabilities; 615 __le32 MaxTransactSize; 616 __le32 MaxReadSize; 617 __le32 MaxWriteSize; 618 __le64 SystemTime; /* MBZ */ 619 __le64 ServerStartTime; 620 __le16 SecurityBufferOffset; 621 __le16 SecurityBufferLength; 622 __le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */ 623 __u8 Buffer[]; /* variable length GSS security buffer */ 624 } __packed; 625 626 627 /* 628 * SMB2_SESSION_SETUP See MS-SMB2 section 2.2.5 629 */ 630 /* Flags */ 631 #define SMB2_SESSION_REQ_FLAG_BINDING 0x01 632 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04 633 634 struct smb2_sess_setup_req { 635 struct smb2_hdr hdr; 636 __le16 StructureSize; /* Must be 25 */ 637 __u8 Flags; 638 __u8 SecurityMode; 639 __le32 Capabilities; 640 __le32 Channel; 641 __le16 SecurityBufferOffset; 642 __le16 SecurityBufferLength; 643 __le64 PreviousSessionId; 644 __u8 Buffer[]; /* variable length GSS security buffer */ 645 } __packed; 646 647 /* Currently defined SessionFlags */ 648 #define SMB2_SESSION_FLAG_IS_GUEST 0x0001 649 #define SMB2_SESSION_FLAG_IS_GUEST_LE cpu_to_le16(0x0001) 650 #define SMB2_SESSION_FLAG_IS_NULL 0x0002 651 #define SMB2_SESSION_FLAG_IS_NULL_LE cpu_to_le16(0x0002) 652 #define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004 653 #define SMB2_SESSION_FLAG_ENCRYPT_DATA_LE cpu_to_le16(0x0004) 654 655 struct smb2_sess_setup_rsp { 656 struct smb2_hdr hdr; 657 __le16 StructureSize; /* Must be 9 */ 658 __le16 SessionFlags; 659 __le16 SecurityBufferOffset; 660 __le16 SecurityBufferLength; 661 __u8 Buffer[]; /* variable length GSS security buffer */ 662 } __packed; 663 664 665 /* 666 * SMB2_LOGOFF See MS-SMB2 section 2.2.7 667 */ 668 struct smb2_logoff_req { 669 struct smb2_hdr hdr; 670 __le16 StructureSize; /* Must be 4 */ 671 __le16 Reserved; 672 } __packed; 673 674 struct smb2_logoff_rsp { 675 struct smb2_hdr hdr; 676 __le16 StructureSize; /* Must be 4 */ 677 __le16 Reserved; 678 } __packed; 679 680 681 /* 682 * SMB2_CLOSE See MS-SMB2 section 2.2.15 683 */ 684 /* Currently defined values for close flags */ 685 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001) 686 struct smb2_close_req { 687 struct smb2_hdr hdr; 688 __le16 StructureSize; /* Must be 24 */ 689 __le16 Flags; 690 __le32 Reserved; 691 __u64 PersistentFileId; /* opaque endianness */ 692 __u64 VolatileFileId; /* opaque endianness */ 693 } __packed; 694 695 /* 696 * Maximum size of a SMB2_CLOSE response is 64 (smb2 header) + 60 (data) 697 */ 698 #define MAX_SMB2_CLOSE_RESPONSE_SIZE 124 699 700 struct smb2_close_rsp { 701 struct smb2_hdr hdr; 702 __le16 StructureSize; /* 60 */ 703 __le16 Flags; 704 __le32 Reserved; 705 __le64 CreationTime; 706 __le64 LastAccessTime; 707 __le64 LastWriteTime; 708 __le64 ChangeTime; 709 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 710 __le64 EndOfFile; 711 __le32 Attributes; 712 } __packed; 713 714 715 /* 716 * SMB2_READ See MS-SMB2 section 2.2.19 717 */ 718 /* For read request Flags field below, following flag is defined for SMB3.02 */ 719 #define SMB2_READFLAG_READ_UNBUFFERED 0x01 720 #define SMB2_READFLAG_REQUEST_COMPRESSED 0x02 /* See MS-SMB2 2.2.19 */ 721 722 /* Channel field for read and write: exactly one of following flags can be set*/ 723 #define SMB2_CHANNEL_NONE cpu_to_le32(0x00000000) 724 #define SMB2_CHANNEL_RDMA_V1 cpu_to_le32(0x00000001) 725 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) 726 #define SMB2_CHANNEL_RDMA_TRANSFORM cpu_to_le32(0x00000003) 727 728 /* SMB2 read request without RFC1001 length at the beginning */ 729 struct smb2_read_req { 730 struct smb2_hdr hdr; 731 __le16 StructureSize; /* Must be 49 */ 732 __u8 Padding; /* offset from start of SMB2 header to place read */ 733 __u8 Flags; /* MBZ unless SMB3.02 or later */ 734 __le32 Length; 735 __le64 Offset; 736 __u64 PersistentFileId; 737 __u64 VolatileFileId; 738 __le32 MinimumCount; 739 __le32 Channel; /* MBZ except for SMB3 or later */ 740 __le32 RemainingBytes; 741 __le16 ReadChannelInfoOffset; 742 __le16 ReadChannelInfoLength; 743 __u8 Buffer[]; 744 } __packed; 745 746 /* Read flags */ 747 #define SMB2_READFLAG_RESPONSE_NONE cpu_to_le32(0x00000000) 748 #define SMB2_READFLAG_RESPONSE_RDMA_TRANSFORM cpu_to_le32(0x00000001) 749 750 struct smb2_read_rsp { 751 struct smb2_hdr hdr; 752 __le16 StructureSize; /* Must be 17 */ 753 __u8 DataOffset; 754 __u8 Reserved; 755 __le32 DataLength; 756 __le32 DataRemaining; 757 __le32 Flags; 758 __u8 Buffer[]; 759 } __packed; 760 761 762 /* 763 * SMB2_WRITE See MS-SMB2 section 2.2.21 764 */ 765 /* For write request Flags field below the following flags are defined: */ 766 #define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 /* SMB2.1 or later */ 767 #define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002 /* SMB3.02 or later */ 768 769 struct smb2_write_req { 770 struct smb2_hdr hdr; 771 __le16 StructureSize; /* Must be 49 */ 772 __le16 DataOffset; /* offset from start of SMB2 header to write data */ 773 __le32 Length; 774 __le64 Offset; 775 __u64 PersistentFileId; /* opaque endianness */ 776 __u64 VolatileFileId; /* opaque endianness */ 777 __le32 Channel; /* MBZ unless SMB3.02 or later */ 778 __le32 RemainingBytes; 779 __le16 WriteChannelInfoOffset; 780 __le16 WriteChannelInfoLength; 781 __le32 Flags; 782 __u8 Buffer[]; 783 } __packed; 784 785 struct smb2_write_rsp { 786 struct smb2_hdr hdr; 787 __le16 StructureSize; /* Must be 17 */ 788 __u8 DataOffset; 789 __u8 Reserved; 790 __le32 DataLength; 791 __le32 DataRemaining; 792 __u32 Reserved2; 793 __u8 Buffer[]; 794 } __packed; 795 796 797 /* 798 * SMB2_FLUSH See MS-SMB2 section 2.2.17 799 */ 800 struct smb2_flush_req { 801 struct smb2_hdr hdr; 802 __le16 StructureSize; /* Must be 24 */ 803 __le16 Reserved1; 804 __le32 Reserved2; 805 __u64 PersistentFileId; 806 __u64 VolatileFileId; 807 } __packed; 808 809 struct smb2_flush_rsp { 810 struct smb2_hdr hdr; 811 __le16 StructureSize; 812 __le16 Reserved; 813 } __packed; 814 815 #define SMB2_LOCKFLAG_SHARED 0x0001 816 #define SMB2_LOCKFLAG_EXCLUSIVE 0x0002 817 #define SMB2_LOCKFLAG_UNLOCK 0x0004 818 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY 0x0010 819 #define SMB2_LOCKFLAG_MASK 0x0007 820 821 struct smb2_lock_element { 822 __le64 Offset; 823 __le64 Length; 824 __le32 Flags; 825 __le32 Reserved; 826 } __packed; 827 828 struct smb2_lock_req { 829 struct smb2_hdr hdr; 830 __le16 StructureSize; /* Must be 48 */ 831 __le16 LockCount; 832 /* 833 * The least significant four bits are the index, the other 28 bits are 834 * the lock sequence number (0 to 64). See MS-SMB2 2.2.26 835 */ 836 __le32 LockSequenceNumber; 837 __u64 PersistentFileId; 838 __u64 VolatileFileId; 839 /* Followed by at least one */ 840 union { 841 struct smb2_lock_element lock; 842 DECLARE_FLEX_ARRAY(struct smb2_lock_element, locks); 843 }; 844 } __packed; 845 846 struct smb2_lock_rsp { 847 struct smb2_hdr hdr; 848 __le16 StructureSize; /* Must be 4 */ 849 __le16 Reserved; 850 } __packed; 851 852 struct smb2_echo_req { 853 struct smb2_hdr hdr; 854 __le16 StructureSize; /* Must be 4 */ 855 __u16 Reserved; 856 } __packed; 857 858 struct smb2_echo_rsp { 859 struct smb2_hdr hdr; 860 __le16 StructureSize; /* Must be 4 */ 861 __u16 Reserved; 862 } __packed; 863 864 /* 865 * Valid FileInformation classes for query directory 866 * 867 * Note that these are a subset of the (file) QUERY_INFO levels defined 868 * later in this file (but since QUERY_DIRECTORY uses equivalent numbers 869 * we do not redefine them here) 870 * 871 * FileDirectoryInfomation 0x01 872 * FileFullDirectoryInformation 0x02 873 * FileIdFullDirectoryInformation 0x26 874 * FileBothDirectoryInformation 0x03 875 * FileIdBothDirectoryInformation 0x25 876 * FileNamesInformation 0x0C 877 * FileIdExtdDirectoryInformation 0x3C 878 */ 879 880 /* search (query_directory) Flags field */ 881 #define SMB2_RESTART_SCANS 0x01 882 #define SMB2_RETURN_SINGLE_ENTRY 0x02 883 #define SMB2_INDEX_SPECIFIED 0x04 884 #define SMB2_REOPEN 0x10 885 886 struct smb2_query_directory_req { 887 struct smb2_hdr hdr; 888 __le16 StructureSize; /* Must be 33 */ 889 __u8 FileInformationClass; 890 __u8 Flags; 891 __le32 FileIndex; 892 __u64 PersistentFileId; 893 __u64 VolatileFileId; 894 __le16 FileNameOffset; 895 __le16 FileNameLength; 896 __le32 OutputBufferLength; 897 __u8 Buffer[]; 898 } __packed; 899 900 struct smb2_query_directory_rsp { 901 struct smb2_hdr hdr; 902 __le16 StructureSize; /* Must be 9 */ 903 __le16 OutputBufferOffset; 904 __le32 OutputBufferLength; 905 __u8 Buffer[]; 906 } __packed; 907 908 /* 909 * Maximum number of iovs we need for a set-info request. 910 * The largest one is rename/hardlink 911 * [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info 912 * [1] : path 913 * [2] : compound padding 914 */ 915 #define SMB2_SET_INFO_IOV_SIZE 3 916 917 struct smb2_set_info_req { 918 struct smb2_hdr hdr; 919 __le16 StructureSize; /* Must be 33 */ 920 __u8 InfoType; 921 __u8 FileInfoClass; 922 __le32 BufferLength; 923 __le16 BufferOffset; 924 __u16 Reserved; 925 __le32 AdditionalInformation; 926 __u64 PersistentFileId; 927 __u64 VolatileFileId; 928 __u8 Buffer[]; 929 } __packed; 930 931 struct smb2_set_info_rsp { 932 struct smb2_hdr hdr; 933 __le16 StructureSize; /* Must be 2 */ 934 } __packed; 935 936 /* 937 * SMB2_NOTIFY See MS-SMB2 section 2.2.35 938 */ 939 /* notify flags */ 940 #define SMB2_WATCH_TREE 0x0001 941 942 /* notify completion filter flags. See MS-FSCC 2.6 and MS-SMB2 2.2.35 */ 943 #define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001 944 #define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002 945 #define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004 946 #define FILE_NOTIFY_CHANGE_SIZE 0x00000008 947 #define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010 948 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020 949 #define FILE_NOTIFY_CHANGE_CREATION 0x00000040 950 #define FILE_NOTIFY_CHANGE_EA 0x00000080 951 #define FILE_NOTIFY_CHANGE_SECURITY 0x00000100 952 #define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200 953 #define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400 954 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800 955 956 /* SMB2 Notify Action Flags */ 957 #define FILE_ACTION_ADDED 0x00000001 958 #define FILE_ACTION_REMOVED 0x00000002 959 #define FILE_ACTION_MODIFIED 0x00000003 960 #define FILE_ACTION_RENAMED_OLD_NAME 0x00000004 961 #define FILE_ACTION_RENAMED_NEW_NAME 0x00000005 962 #define FILE_ACTION_ADDED_STREAM 0x00000006 963 #define FILE_ACTION_REMOVED_STREAM 0x00000007 964 #define FILE_ACTION_MODIFIED_STREAM 0x00000008 965 #define FILE_ACTION_REMOVED_BY_DELETE 0x00000009 966 967 struct smb2_change_notify_req { 968 struct smb2_hdr hdr; 969 __le16 StructureSize; 970 __le16 Flags; 971 __le32 OutputBufferLength; 972 __u64 PersistentFileId; /* opaque endianness */ 973 __u64 VolatileFileId; /* opaque endianness */ 974 __le32 CompletionFilter; 975 __u32 Reserved; 976 } __packed; 977 978 struct smb2_change_notify_rsp { 979 struct smb2_hdr hdr; 980 __le16 StructureSize; /* Must be 9 */ 981 __le16 OutputBufferOffset; 982 __le32 OutputBufferLength; 983 __u8 Buffer[]; /* array of file notify structs */ 984 } __packed; 985 986 /* 987 * SMB2_SERVER_TO_CLIENT_NOTIFICATION: See MS-SMB2 section 2.2.44 988 */ 989 990 #define SMB2_NOTIFY_SESSION_CLOSED 0x0000 991 992 struct smb2_server_client_notification { 993 struct smb2_hdr hdr; 994 __le16 StructureSize; 995 __u16 Reserved; /* MBZ */ 996 __le32 NotificationType; 997 __u8 NotificationBuffer[4]; /* MBZ */ 998 } __packed; 999 1000 /* 1001 * SMB2_CREATE See MS-SMB2 section 2.2.13 1002 */ 1003 /* Oplock levels */ 1004 #define SMB2_OPLOCK_LEVEL_NONE 0x00 1005 #define SMB2_OPLOCK_LEVEL_II 0x01 1006 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08 1007 #define SMB2_OPLOCK_LEVEL_BATCH 0x09 1008 #define SMB2_OPLOCK_LEVEL_LEASE 0xFF 1009 /* Non-spec internal type */ 1010 #define SMB2_OPLOCK_LEVEL_NOCHANGE 0x99 1011 1012 /* Impersonation Levels. See MS-WPO section 9.7 and MSDN-IMPERS */ 1013 #define IL_ANONYMOUS cpu_to_le32(0x00000000) 1014 #define IL_IDENTIFICATION cpu_to_le32(0x00000001) 1015 #define IL_IMPERSONATION cpu_to_le32(0x00000002) 1016 #define IL_DELEGATE cpu_to_le32(0x00000003) 1017 1018 /* File Attrubutes */ 1019 #define FILE_ATTRIBUTE_READONLY 0x00000001 1020 #define FILE_ATTRIBUTE_HIDDEN 0x00000002 1021 #define FILE_ATTRIBUTE_SYSTEM 0x00000004 1022 #define FILE_ATTRIBUTE_DIRECTORY 0x00000010 1023 #define FILE_ATTRIBUTE_ARCHIVE 0x00000020 1024 #define FILE_ATTRIBUTE_NORMAL 0x00000080 1025 #define FILE_ATTRIBUTE_TEMPORARY 0x00000100 1026 #define FILE_ATTRIBUTE_SPARSE_FILE 0x00000200 1027 #define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400 1028 #define FILE_ATTRIBUTE_COMPRESSED 0x00000800 1029 #define FILE_ATTRIBUTE_OFFLINE 0x00001000 1030 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x00002000 1031 #define FILE_ATTRIBUTE_ENCRYPTED 0x00004000 1032 #define FILE_ATTRIBUTE_INTEGRITY_STREAM 0x00008000 1033 #define FILE_ATTRIBUTE_NO_SCRUB_DATA 0x00020000 1034 #define FILE_ATTRIBUTE__MASK 0x00007FB7 1035 1036 #define FILE_ATTRIBUTE_READONLY_LE cpu_to_le32(0x00000001) 1037 #define FILE_ATTRIBUTE_HIDDEN_LE cpu_to_le32(0x00000002) 1038 #define FILE_ATTRIBUTE_SYSTEM_LE cpu_to_le32(0x00000004) 1039 #define FILE_ATTRIBUTE_DIRECTORY_LE cpu_to_le32(0x00000010) 1040 #define FILE_ATTRIBUTE_ARCHIVE_LE cpu_to_le32(0x00000020) 1041 #define FILE_ATTRIBUTE_NORMAL_LE cpu_to_le32(0x00000080) 1042 #define FILE_ATTRIBUTE_TEMPORARY_LE cpu_to_le32(0x00000100) 1043 #define FILE_ATTRIBUTE_SPARSE_FILE_LE cpu_to_le32(0x00000200) 1044 #define FILE_ATTRIBUTE_REPARSE_POINT_LE cpu_to_le32(0x00000400) 1045 #define FILE_ATTRIBUTE_COMPRESSED_LE cpu_to_le32(0x00000800) 1046 #define FILE_ATTRIBUTE_OFFLINE_LE cpu_to_le32(0x00001000) 1047 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED_LE cpu_to_le32(0x00002000) 1048 #define FILE_ATTRIBUTE_ENCRYPTED_LE cpu_to_le32(0x00004000) 1049 #define FILE_ATTRIBUTE_INTEGRITY_STREAM_LE cpu_to_le32(0x00008000) 1050 #define FILE_ATTRIBUTE_NO_SCRUB_DATA_LE cpu_to_le32(0x00020000) 1051 #define FILE_ATTRIBUTE_MASK_LE cpu_to_le32(0x00007FB7) 1052 1053 /* Desired Access Flags */ 1054 #define FILE_READ_DATA_LE cpu_to_le32(0x00000001) 1055 #define FILE_LIST_DIRECTORY_LE cpu_to_le32(0x00000001) 1056 #define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002) 1057 #define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004) 1058 #define FILE_ADD_SUBDIRECTORY_LE cpu_to_le32(0x00000004) 1059 #define FILE_READ_EA_LE cpu_to_le32(0x00000008) 1060 #define FILE_WRITE_EA_LE cpu_to_le32(0x00000010) 1061 #define FILE_EXECUTE_LE cpu_to_le32(0x00000020) 1062 #define FILE_DELETE_CHILD_LE cpu_to_le32(0x00000040) 1063 #define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080) 1064 #define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100) 1065 #define FILE_DELETE_LE cpu_to_le32(0x00010000) 1066 #define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000) 1067 #define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000) 1068 #define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000) 1069 #define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000) 1070 #define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000) 1071 #define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000) 1072 #define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000) 1073 #define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000) 1074 #define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000) 1075 #define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000) 1076 #define DESIRED_ACCESS_MASK cpu_to_le32(0xF21F01FF) 1077 1078 1079 #define FILE_READ_DESIRED_ACCESS_LE (FILE_READ_DATA_LE | \ 1080 FILE_READ_EA_LE | \ 1081 FILE_GENERIC_READ_LE) 1082 #define FILE_WRITE_DESIRE_ACCESS_LE (FILE_WRITE_DATA_LE | \ 1083 FILE_APPEND_DATA_LE | \ 1084 FILE_WRITE_EA_LE | \ 1085 FILE_WRITE_ATTRIBUTES_LE | \ 1086 FILE_GENERIC_WRITE_LE) 1087 1088 /* ShareAccess Flags */ 1089 #define FILE_SHARE_READ_LE cpu_to_le32(0x00000001) 1090 #define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002) 1091 #define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004) 1092 #define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007) 1093 1094 /* CreateDisposition Flags */ 1095 #define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000) 1096 #define FILE_OPEN_LE cpu_to_le32(0x00000001) 1097 #define FILE_CREATE_LE cpu_to_le32(0x00000002) 1098 #define FILE_OPEN_IF_LE cpu_to_le32(0x00000003) 1099 #define FILE_OVERWRITE_LE cpu_to_le32(0x00000004) 1100 #define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005) 1101 #define FILE_CREATE_MASK_LE cpu_to_le32(0x00000007) 1102 1103 #define FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA \ 1104 | FILE_READ_ATTRIBUTES) 1105 #define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ 1106 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES) 1107 #define FILE_EXEC_RIGHTS (FILE_EXECUTE) 1108 1109 /* CreateOptions Flags */ 1110 #define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001) 1111 /* same as #define CREATE_NOT_FILE_LE cpu_to_le32(0x00000001) */ 1112 #define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002) 1113 #define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004) 1114 #define FILE_NO_INTERMEDIATE_BUFFERING_LE cpu_to_le32(0x00000008) 1115 /* FILE_SYNCHRONOUS_IO_ALERT_LE cpu_to_le32(0x00000010) should be zero, ignored */ 1116 /* FILE_SYNCHRONOUS_IO_NONALERT cpu_to_le32(0x00000020) should be zero, ignored */ 1117 #define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040) 1118 #define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100) 1119 #define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200) 1120 /* FILE_OPEN_REMOTE_INSTANCE cpu_to_le32(0x00000400) should be zero, ignored */ 1121 #define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800) 1122 #define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000) /* MBZ */ 1123 #define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000) 1124 #define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000) 1125 #define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000) 1126 /* FILE_OPEN_REQUIRING_OPLOCK cpu_to_le32(0x00010000) should be zero, ignored */ 1127 /* FILE_DISALLOW_EXCLUSIVE cpu_to_le32(0x00020000) should be zero, ignored */ 1128 /* FILE_RESERVE_OPFILTER cpu_to_le32(0x00100000) MBZ */ 1129 #define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000) 1130 #define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000) 1131 /* #define FILE_OPEN_FOR_FREE_SPACE_QUERY cpu_to_le32(0x00800000) should be zero, ignored */ 1132 #define CREATE_OPTIONS_MASK_LE cpu_to_le32(0x00FFFFFF) 1133 1134 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \ 1135 | FILE_READ_ATTRIBUTES_LE) 1136 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \ 1137 | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE) 1138 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE) 1139 1140 /* Create Context Values */ 1141 #define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */ 1142 #define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */ 1143 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ" 1144 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC" 1145 #define SMB2_CREATE_ALLOCATION_SIZE "AISi" 1146 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc" 1147 #define SMB2_CREATE_TIMEWARP_REQUEST "TWrp" 1148 #define SMB2_CREATE_QUERY_ON_DISK_ID "QFid" 1149 #define SMB2_CREATE_REQUEST_LEASE "RqLs" 1150 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q" 1151 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C" 1152 #define SMB2_CREATE_TAG_POSIX "\x93\xAD\x25\x50\x9C\xB4\x11\xE7\xB4\x23\x83\xDE\x96\x8B\xCD\x7C" 1153 #define SMB2_CREATE_APP_INSTANCE_ID "\x45\xBC\xA6\x6A\xEF\xA7\xF7\x4A\x90\x08\xFA\x46\x2E\x14\x4D\x74" 1154 #define SMB2_CREATE_APP_INSTANCE_VERSION "\xB9\x82\xD0\xB7\x3B\x56\x07\x4F\xA0\x7B\x52\x4A\x81\x16\xA0\x10" 1155 #define SVHDX_OPEN_DEVICE_CONTEXT "\x9C\xCB\xCF\x9E\x04\xC1\xE6\x43\x98\x0E\x15\x8D\xA1\xF6\xEC\x83" 1156 #define SMB2_CREATE_TAG_AAPL "AAPL" 1157 1158 /* Flag (SMB3 open response) values */ 1159 #define SMB2_CREATE_FLAG_REPARSEPOINT 0x01 1160 1161 struct create_context { 1162 __le32 Next; 1163 __le16 NameOffset; 1164 __le16 NameLength; 1165 __le16 Reserved; 1166 __le16 DataOffset; 1167 __le32 DataLength; 1168 __u8 Buffer[]; 1169 } __packed; 1170 1171 struct smb2_create_req { 1172 struct smb2_hdr hdr; 1173 __le16 StructureSize; /* Must be 57 */ 1174 __u8 SecurityFlags; 1175 __u8 RequestedOplockLevel; 1176 __le32 ImpersonationLevel; 1177 __le64 SmbCreateFlags; 1178 __le64 Reserved; 1179 __le32 DesiredAccess; 1180 __le32 FileAttributes; 1181 __le32 ShareAccess; 1182 __le32 CreateDisposition; 1183 __le32 CreateOptions; 1184 __le16 NameOffset; 1185 __le16 NameLength; 1186 __le32 CreateContextsOffset; 1187 __le32 CreateContextsLength; 1188 __u8 Buffer[]; 1189 } __packed; 1190 1191 struct smb2_create_rsp { 1192 struct smb2_hdr hdr; 1193 __le16 StructureSize; /* Must be 89 */ 1194 __u8 OplockLevel; 1195 __u8 Flags; /* 0x01 if reparse point */ 1196 __le32 CreateAction; 1197 __le64 CreationTime; 1198 __le64 LastAccessTime; 1199 __le64 LastWriteTime; 1200 __le64 ChangeTime; 1201 __le64 AllocationSize; 1202 __le64 EndofFile; 1203 __le32 FileAttributes; 1204 __le32 Reserved2; 1205 __u64 PersistentFileId; 1206 __u64 VolatileFileId; 1207 __le32 CreateContextsOffset; 1208 __le32 CreateContextsLength; 1209 __u8 Buffer[]; 1210 } __packed; 1211 1212 struct create_posix { 1213 struct create_context ccontext; 1214 __u8 Name[16]; 1215 __le32 Mode; 1216 __u32 Reserved; 1217 } __packed; 1218 1219 /* See MS-SMB2 2.2.13.2.3 and MS-SMB2 2.2.13.2.4 */ 1220 struct create_durable { 1221 struct create_context ccontext; 1222 __u8 Name[8]; 1223 union { 1224 __u8 Reserved[16]; 1225 struct { 1226 __u64 PersistentFileId; 1227 __u64 VolatileFileId; 1228 } Fid; 1229 } Data; 1230 } __packed; 1231 1232 /* See MS-SMB2 2.2.13.2.5 */ 1233 struct create_mxac_req { 1234 struct create_context ccontext; 1235 __u8 Name[8]; 1236 __le64 Timestamp; 1237 } __packed; 1238 1239 /* See MS-SMB2 2.2.14.2.5 */ 1240 struct create_mxac_rsp { 1241 struct create_context ccontext; 1242 __u8 Name[8]; 1243 __le32 QueryStatus; 1244 __le32 MaximalAccess; 1245 } __packed; 1246 1247 #define SMB2_LEASE_NONE_LE cpu_to_le32(0x00) 1248 #define SMB2_LEASE_READ_CACHING_LE cpu_to_le32(0x01) 1249 #define SMB2_LEASE_HANDLE_CACHING_LE cpu_to_le32(0x02) 1250 #define SMB2_LEASE_WRITE_CACHING_LE cpu_to_le32(0x04) 1251 1252 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS_LE cpu_to_le32(0x02) 1253 1254 #define SMB2_LEASE_KEY_SIZE 16 1255 1256 /* See MS-SMB2 2.2.13.2.8 */ 1257 struct lease_context { 1258 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 1259 __le32 LeaseState; 1260 __le32 LeaseFlags; 1261 __le64 LeaseDuration; 1262 } __packed; 1263 1264 /* See MS-SMB2 2.2.13.2.10 */ 1265 struct lease_context_v2 { 1266 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 1267 __le32 LeaseState; 1268 __le32 LeaseFlags; 1269 __le64 LeaseDuration; 1270 __u8 ParentLeaseKey[SMB2_LEASE_KEY_SIZE]; 1271 __le16 Epoch; 1272 __le16 Reserved; 1273 } __packed; 1274 1275 struct create_lease { 1276 struct create_context ccontext; 1277 __u8 Name[8]; 1278 struct lease_context lcontext; 1279 } __packed; 1280 1281 struct create_lease_v2 { 1282 struct create_context ccontext; 1283 __u8 Name[8]; 1284 struct lease_context_v2 lcontext; 1285 __u8 Pad[4]; 1286 } __packed; 1287 1288 /* See MS-SMB2 2.2.14.2.9 */ 1289 struct create_disk_id_rsp { 1290 struct create_context ccontext; 1291 __u8 Name[8]; 1292 __le64 DiskFileId; 1293 __le64 VolumeId; 1294 __u8 Reserved[16]; 1295 } __packed; 1296 1297 /* See MS-SMB2 2.2.13.2.13 */ 1298 struct create_app_inst_id { 1299 struct create_context ccontext; 1300 __u8 Name[16]; 1301 __le32 StructureSize; /* Must be 20 */ 1302 __u16 Reserved; 1303 __u8 AppInstanceId[16]; 1304 } __packed; 1305 1306 /* See MS-SMB2 2.2.13.2.15 */ 1307 struct create_app_inst_id_vers { 1308 struct create_context ccontext; 1309 __u8 Name[16]; 1310 __le32 StructureSize; /* Must be 24 */ 1311 __u16 Reserved; 1312 __u32 Padding; 1313 __le64 AppInstanceVersionHigh; 1314 __le64 AppInstanceVersionLow; 1315 } __packed; 1316 1317 /* See MS-SMB2 2.2.31 and 2.2.32 */ 1318 struct smb2_ioctl_req { 1319 struct smb2_hdr hdr; 1320 __le16 StructureSize; /* Must be 57 */ 1321 __le16 Reserved; /* offset from start of SMB2 header to write data */ 1322 __le32 CtlCode; 1323 __u64 PersistentFileId; 1324 __u64 VolatileFileId; 1325 __le32 InputOffset; /* Reserved MBZ */ 1326 __le32 InputCount; 1327 __le32 MaxInputResponse; 1328 __le32 OutputOffset; 1329 __le32 OutputCount; 1330 __le32 MaxOutputResponse; 1331 __le32 Flags; 1332 __le32 Reserved2; 1333 __u8 Buffer[]; 1334 } __packed; 1335 1336 struct smb2_ioctl_rsp { 1337 struct smb2_hdr hdr; 1338 __le16 StructureSize; /* Must be 49 */ 1339 __le16 Reserved; 1340 __le32 CtlCode; 1341 __u64 PersistentFileId; 1342 __u64 VolatileFileId; 1343 __le32 InputOffset; /* Reserved MBZ */ 1344 __le32 InputCount; 1345 __le32 OutputOffset; 1346 __le32 OutputCount; 1347 __le32 Flags; 1348 __le32 Reserved2; 1349 __u8 Buffer[]; 1350 } __packed; 1351 1352 /* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */ 1353 struct file_zero_data_information { 1354 __le64 FileOffset; 1355 __le64 BeyondFinalZero; 1356 } __packed; 1357 1358 /* See MS-FSCC 2.3.7 */ 1359 struct duplicate_extents_to_file { 1360 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 1361 __u64 VolatileFileHandle; 1362 __le64 SourceFileOffset; 1363 __le64 TargetFileOffset; 1364 __le64 ByteCount; /* Bytes to be copied */ 1365 } __packed; 1366 1367 /* See MS-FSCC 2.3.8 */ 1368 #define DUPLICATE_EXTENTS_DATA_EX_SOURCE_ATOMIC 0x00000001 1369 struct duplicate_extents_to_file_ex { 1370 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 1371 __u64 VolatileFileHandle; 1372 __le64 SourceFileOffset; 1373 __le64 TargetFileOffset; 1374 __le64 ByteCount; /* Bytes to be copied */ 1375 __le32 Flags; 1376 __le32 Reserved; 1377 } __packed; 1378 1379 1380 /* See MS-FSCC 2.3.20 */ 1381 struct fsctl_get_integrity_information_rsp { 1382 __le16 ChecksumAlgorithm; 1383 __le16 Reserved; 1384 __le32 Flags; 1385 __le32 ChecksumChunkSizeInBytes; 1386 __le32 ClusterSizeInBytes; 1387 } __packed; 1388 1389 /* See MS-FSCC 2.3.55 */ 1390 struct fsctl_query_file_regions_req { 1391 __le64 FileOffset; 1392 __le64 Length; 1393 __le32 DesiredUsage; 1394 __le32 Reserved; 1395 } __packed; 1396 1397 /* DesiredUsage flags see MS-FSCC 2.3.56.1 */ 1398 #define FILE_USAGE_INVALID_RANGE 0x00000000 1399 #define FILE_USAGE_VALID_CACHED_DATA 0x00000001 1400 #define FILE_USAGE_NONCACHED_DATA 0x00000002 1401 1402 struct file_region_info { 1403 __le64 FileOffset; 1404 __le64 Length; 1405 __le32 DesiredUsage; 1406 __le32 Reserved; 1407 } __packed; 1408 1409 /* See MS-FSCC 2.3.56 */ 1410 struct fsctl_query_file_region_rsp { 1411 __le32 Flags; 1412 __le32 TotalRegionEntryCount; 1413 __le32 RegionEntryCount; 1414 __u32 Reserved; 1415 struct file_region_info Regions[]; 1416 } __packed; 1417 1418 /* See MS-FSCC 2.3.58 */ 1419 struct fsctl_query_on_disk_vol_info_rsp { 1420 __le64 DirectoryCount; 1421 __le64 FileCount; 1422 __le16 FsFormatMajVersion; 1423 __le16 FsFormatMinVersion; 1424 __u8 FsFormatName[24]; 1425 __le64 FormatTime; 1426 __le64 LastUpdateTime; 1427 __u8 CopyrightInfo[68]; 1428 __u8 AbstractInfo[68]; 1429 __u8 FormatImplInfo[68]; 1430 __u8 LastModifyImplInfo[68]; 1431 } __packed; 1432 1433 /* See MS-FSCC 2.3.73 */ 1434 struct fsctl_set_integrity_information_req { 1435 __le16 ChecksumAlgorithm; 1436 __le16 Reserved; 1437 __le32 Flags; 1438 } __packed; 1439 1440 /* See MS-FSCC 2.3.75 */ 1441 struct fsctl_set_integrity_info_ex_req { 1442 __u8 EnableIntegrity; 1443 __u8 KeepState; 1444 __u16 Reserved; 1445 __le32 Flags; 1446 __u8 Version; 1447 __u8 Reserved2[7]; 1448 } __packed; 1449 1450 /* Integrity ChecksumAlgorithm choices for above */ 1451 #define CHECKSUM_TYPE_NONE 0x0000 1452 #define CHECKSUM_TYPE_CRC64 0x0002 1453 #define CHECKSUM_TYPE_UNCHANGED 0xFFFF /* set only */ 1454 1455 /* Integrity flags for above */ 1456 #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x00000001 1457 1458 /* Reparse structures - see MS-FSCC 2.1.2 */ 1459 1460 /* struct fsctl_reparse_info_req is empty, only response structs (see below) */ 1461 struct reparse_data_buffer { 1462 __le32 ReparseTag; 1463 __le16 ReparseDataLength; 1464 __u16 Reserved; 1465 __u8 DataBuffer[]; /* Variable Length */ 1466 } __packed; 1467 1468 struct reparse_guid_data_buffer { 1469 __le32 ReparseTag; 1470 __le16 ReparseDataLength; 1471 __u16 Reserved; 1472 __u8 ReparseGuid[16]; 1473 __u8 DataBuffer[]; /* Variable Length */ 1474 } __packed; 1475 1476 struct reparse_mount_point_data_buffer { 1477 __le32 ReparseTag; 1478 __le16 ReparseDataLength; 1479 __u16 Reserved; 1480 __le16 SubstituteNameOffset; 1481 __le16 SubstituteNameLength; 1482 __le16 PrintNameOffset; 1483 __le16 PrintNameLength; 1484 __u8 PathBuffer[]; /* Variable Length */ 1485 } __packed; 1486 1487 #define SYMLINK_FLAG_RELATIVE 0x00000001 1488 1489 struct reparse_symlink_data_buffer { 1490 __le32 ReparseTag; 1491 __le16 ReparseDataLength; 1492 __u16 Reserved; 1493 __le16 SubstituteNameOffset; 1494 __le16 SubstituteNameLength; 1495 __le16 PrintNameOffset; 1496 __le16 PrintNameLength; 1497 __le32 Flags; 1498 __u8 PathBuffer[]; /* Variable Length */ 1499 } __packed; 1500 1501 /* See MS-FSCC 2.1.2.6 and cifspdu.h for struct reparse_posix_data */ 1502 1503 struct validate_negotiate_info_req { 1504 __le32 Capabilities; 1505 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1506 __le16 SecurityMode; 1507 __le16 DialectCount; 1508 __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */ 1509 } __packed; 1510 1511 struct validate_negotiate_info_rsp { 1512 __le32 Capabilities; 1513 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1514 __le16 SecurityMode; 1515 __le16 Dialect; /* Dialect in use for the connection */ 1516 } __packed; 1517 1518 1519 /* Possible InfoType values */ 1520 #define SMB2_O_INFO_FILE 0x01 1521 #define SMB2_O_INFO_FILESYSTEM 0x02 1522 #define SMB2_O_INFO_SECURITY 0x03 1523 #define SMB2_O_INFO_QUOTA 0x04 1524 1525 /* SMB2 Query Info see MS-SMB2 (2.2.37) or MS-DTYP */ 1526 1527 /* List of QUERY INFO levels (those also valid for QUERY_DIR are noted below */ 1528 #define FILE_DIRECTORY_INFORMATION 1 /* also for QUERY_DIR */ 1529 #define FILE_FULL_DIRECTORY_INFORMATION 2 /* also for QUERY_DIR */ 1530 #define FILE_BOTH_DIRECTORY_INFORMATION 3 /* also for QUERY_DIR */ 1531 #define FILE_BASIC_INFORMATION 4 1532 #define FILE_STANDARD_INFORMATION 5 1533 #define FILE_INTERNAL_INFORMATION 6 1534 #define FILE_EA_INFORMATION 7 1535 #define FILE_ACCESS_INFORMATION 8 1536 #define FILE_NAME_INFORMATION 9 1537 #define FILE_RENAME_INFORMATION 10 1538 #define FILE_LINK_INFORMATION 11 1539 #define FILE_NAMES_INFORMATION 12 /* also for QUERY_DIR */ 1540 #define FILE_DISPOSITION_INFORMATION 13 1541 #define FILE_POSITION_INFORMATION 14 1542 #define FILE_FULL_EA_INFORMATION 15 1543 #define FILE_MODE_INFORMATION 16 1544 #define FILE_ALIGNMENT_INFORMATION 17 1545 #define FILE_ALL_INFORMATION 18 1546 #define FILE_ALLOCATION_INFORMATION 19 1547 #define FILE_END_OF_FILE_INFORMATION 20 1548 #define FILE_ALTERNATE_NAME_INFORMATION 21 1549 #define FILE_STREAM_INFORMATION 22 1550 #define FILE_PIPE_INFORMATION 23 1551 #define FILE_PIPE_LOCAL_INFORMATION 24 1552 #define FILE_PIPE_REMOTE_INFORMATION 25 1553 #define FILE_MAILSLOT_QUERY_INFORMATION 26 1554 #define FILE_MAILSLOT_SET_INFORMATION 27 1555 #define FILE_COMPRESSION_INFORMATION 28 1556 #define FILE_OBJECT_ID_INFORMATION 29 1557 /* Number 30 not defined in documents */ 1558 #define FILE_MOVE_CLUSTER_INFORMATION 31 1559 #define FILE_QUOTA_INFORMATION 32 1560 #define FILE_REPARSE_POINT_INFORMATION 33 1561 #define FILE_NETWORK_OPEN_INFORMATION 34 1562 #define FILE_ATTRIBUTE_TAG_INFORMATION 35 1563 #define FILE_TRACKING_INFORMATION 36 1564 #define FILEID_BOTH_DIRECTORY_INFORMATION 37 /* also for QUERY_DIR */ 1565 #define FILEID_FULL_DIRECTORY_INFORMATION 38 /* also for QUERY_DIR */ 1566 #define FILE_VALID_DATA_LENGTH_INFORMATION 39 1567 #define FILE_SHORT_NAME_INFORMATION 40 1568 #define FILE_SFIO_RESERVE_INFORMATION 44 1569 #define FILE_SFIO_VOLUME_INFORMATION 45 1570 #define FILE_HARD_LINK_INFORMATION 46 1571 #define FILE_NORMALIZED_NAME_INFORMATION 48 1572 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50 1573 #define FILE_STANDARD_LINK_INFORMATION 54 1574 #define FILE_ID_INFORMATION 59 1575 #define FILE_ID_EXTD_DIRECTORY_INFORMATION 60 /* also for QUERY_DIR */ 1576 /* Used for Query Info and Find File POSIX Info for SMB3.1.1 and SMB1 */ 1577 #define SMB_FIND_FILE_POSIX_INFO 0x064 1578 1579 /* Security info type additionalinfo flags. */ 1580 #define OWNER_SECINFO 0x00000001 1581 #define GROUP_SECINFO 0x00000002 1582 #define DACL_SECINFO 0x00000004 1583 #define SACL_SECINFO 0x00000008 1584 #define LABEL_SECINFO 0x00000010 1585 #define ATTRIBUTE_SECINFO 0x00000020 1586 #define SCOPE_SECINFO 0x00000040 1587 #define BACKUP_SECINFO 0x00010000 1588 #define UNPROTECTED_SACL_SECINFO 0x10000000 1589 #define UNPROTECTED_DACL_SECINFO 0x20000000 1590 #define PROTECTED_SACL_SECINFO 0x40000000 1591 #define PROTECTED_DACL_SECINFO 0x80000000 1592 1593 /* Flags used for FileFullEAinfo */ 1594 #define SL_RESTART_SCAN 0x00000001 1595 #define SL_RETURN_SINGLE_ENTRY 0x00000002 1596 #define SL_INDEX_SPECIFIED 0x00000004 1597 1598 struct smb2_query_info_req { 1599 struct smb2_hdr hdr; 1600 __le16 StructureSize; /* Must be 41 */ 1601 __u8 InfoType; 1602 __u8 FileInfoClass; 1603 __le32 OutputBufferLength; 1604 __le16 InputBufferOffset; 1605 __u16 Reserved; 1606 __le32 InputBufferLength; 1607 __le32 AdditionalInformation; 1608 __le32 Flags; 1609 __u64 PersistentFileId; 1610 __u64 VolatileFileId; 1611 __u8 Buffer[]; 1612 } __packed; 1613 1614 struct smb2_query_info_rsp { 1615 struct smb2_hdr hdr; 1616 __le16 StructureSize; /* Must be 9 */ 1617 __le16 OutputBufferOffset; 1618 __le32 OutputBufferLength; 1619 __u8 Buffer[]; 1620 } __packed; 1621 1622 /* 1623 * PDU query infolevel structure definitions 1624 */ 1625 1626 /* See MS-FSCC 2.3.52 */ 1627 struct file_allocated_range_buffer { 1628 __le64 file_offset; 1629 __le64 length; 1630 } __packed; 1631 1632 struct smb2_file_internal_info { 1633 __le64 IndexNumber; 1634 } __packed; /* level 6 Query */ 1635 1636 struct smb2_file_rename_info { /* encoding of request for level 10 */ 1637 __u8 ReplaceIfExists; /* 1 = replace existing target with new */ 1638 /* 0 = fail if target already exists */ 1639 __u8 Reserved[7]; 1640 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1641 __le32 FileNameLength; 1642 char FileName[]; /* New name to be assigned */ 1643 /* padding - overall struct size must be >= 24 so filename + pad >= 6 */ 1644 } __packed; /* level 10 Set */ 1645 1646 struct smb2_file_link_info { /* encoding of request for level 11 */ 1647 __u8 ReplaceIfExists; /* 1 = replace existing link with new */ 1648 /* 0 = fail if link already exists */ 1649 __u8 Reserved[7]; 1650 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1651 __le32 FileNameLength; 1652 char FileName[]; /* Name to be assigned to new link */ 1653 } __packed; /* level 11 Set */ 1654 1655 /* 1656 * This level 18, although with struct with same name is different from cifs 1657 * level 0x107. Level 0x107 has an extra u64 between AccessFlags and 1658 * CurrentByteOffset. 1659 */ 1660 struct smb2_file_all_info { /* data block encoding of response to level 18 */ 1661 __le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */ 1662 __le64 LastAccessTime; 1663 __le64 LastWriteTime; 1664 __le64 ChangeTime; 1665 __le32 Attributes; 1666 __u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */ 1667 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 1668 __le64 EndOfFile; /* size ie offset to first free byte in file */ 1669 __le32 NumberOfLinks; /* hard links */ 1670 __u8 DeletePending; 1671 __u8 Directory; 1672 __u16 Pad2; /* End of FILE_STANDARD_INFO equivalent */ 1673 __le64 IndexNumber; 1674 __le32 EASize; 1675 __le32 AccessFlags; 1676 __le64 CurrentByteOffset; 1677 __le32 Mode; 1678 __le32 AlignmentRequirement; 1679 __le32 FileNameLength; 1680 union { 1681 char __pad; /* Legacy structure padding */ 1682 DECLARE_FLEX_ARRAY(char, FileName); 1683 }; 1684 } __packed; /* level 18 Query */ 1685 1686 struct smb2_file_eof_info { /* encoding of request for level 10 */ 1687 __le64 EndOfFile; /* new end of file value */ 1688 } __packed; /* level 20 Set */ 1689 1690 /* Level 100 query info */ 1691 struct smb311_posix_qinfo { 1692 __le64 CreationTime; 1693 __le64 LastAccessTime; 1694 __le64 LastWriteTime; 1695 __le64 ChangeTime; 1696 __le64 EndOfFile; 1697 __le64 AllocationSize; 1698 __le32 DosAttributes; 1699 __le64 Inode; 1700 __le32 DeviceId; 1701 __le32 Zero; 1702 /* beginning of POSIX Create Context Response */ 1703 __le32 HardLinks; 1704 __le32 ReparseTag; 1705 __le32 Mode; 1706 u8 Sids[]; 1707 /* 1708 * var sized owner SID 1709 * var sized group SID 1710 * le32 filenamelength 1711 * u8 filename[] 1712 */ 1713 } __packed; 1714 1715 /* File System Information Classes */ 1716 #define FS_VOLUME_INFORMATION 1 /* Query */ 1717 #define FS_LABEL_INFORMATION 2 /* Set */ 1718 #define FS_SIZE_INFORMATION 3 /* Query */ 1719 #define FS_DEVICE_INFORMATION 4 /* Query */ 1720 #define FS_ATTRIBUTE_INFORMATION 5 /* Query */ 1721 #define FS_CONTROL_INFORMATION 6 /* Query, Set */ 1722 #define FS_FULL_SIZE_INFORMATION 7 /* Query */ 1723 #define FS_OBJECT_ID_INFORMATION 8 /* Query, Set */ 1724 #define FS_DRIVER_PATH_INFORMATION 9 /* Query */ 1725 #define FS_SECTOR_SIZE_INFORMATION 11 /* SMB3 or later. Query */ 1726 #define FS_POSIX_INFORMATION 100 /* SMB3.1.1 POSIX. Query */ 1727 1728 struct smb2_fs_full_size_info { 1729 __le64 TotalAllocationUnits; 1730 __le64 CallerAvailableAllocationUnits; 1731 __le64 ActualAvailableAllocationUnits; 1732 __le32 SectorsPerAllocationUnit; 1733 __le32 BytesPerSector; 1734 } __packed; 1735 1736 #define SSINFO_FLAGS_ALIGNED_DEVICE 0x00000001 1737 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002 1738 #define SSINFO_FLAGS_NO_SEEK_PENALTY 0x00000004 1739 #define SSINFO_FLAGS_TRIM_ENABLED 0x00000008 1740 1741 /* sector size info struct */ 1742 struct smb3_fs_ss_info { 1743 __le32 LogicalBytesPerSector; 1744 __le32 PhysicalBytesPerSectorForAtomicity; 1745 __le32 PhysicalBytesPerSectorForPerf; 1746 __le32 FSEffPhysicalBytesPerSectorForAtomicity; 1747 __le32 Flags; 1748 __le32 ByteOffsetForSectorAlignment; 1749 __le32 ByteOffsetForPartitionAlignment; 1750 } __packed; 1751 1752 /* File System Control Information */ 1753 struct smb2_fs_control_info { 1754 __le64 FreeSpaceStartFiltering; 1755 __le64 FreeSpaceThreshold; 1756 __le64 FreeSpaceStopFiltering; 1757 __le64 DefaultQuotaThreshold; 1758 __le64 DefaultQuotaLimit; 1759 __le32 FileSystemControlFlags; 1760 __le32 Padding; 1761 } __packed; 1762 1763 /* volume info struct - see MS-FSCC 2.5.9 */ 1764 #define MAX_VOL_LABEL_LEN 32 1765 struct smb3_fs_vol_info { 1766 __le64 VolumeCreationTime; 1767 __u32 VolumeSerialNumber; 1768 __le32 VolumeLabelLength; /* includes trailing null */ 1769 __u8 SupportsObjects; /* True if eg like NTFS, supports objects */ 1770 __u8 Reserved; 1771 __u8 VolumeLabel[]; /* variable len */ 1772 } __packed; 1773 1774 /* See MS-SMB2 2.2.23 through 2.2.25 */ 1775 struct smb2_oplock_break { 1776 struct smb2_hdr hdr; 1777 __le16 StructureSize; /* Must be 24 */ 1778 __u8 OplockLevel; 1779 __u8 Reserved; 1780 __le32 Reserved2; 1781 __u64 PersistentFid; 1782 __u64 VolatileFid; 1783 } __packed; 1784 1785 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01) 1786 1787 struct smb2_lease_break { 1788 struct smb2_hdr hdr; 1789 __le16 StructureSize; /* Must be 44 */ 1790 __le16 Epoch; 1791 __le32 Flags; 1792 __u8 LeaseKey[16]; 1793 __le32 CurrentLeaseState; 1794 __le32 NewLeaseState; 1795 __le32 BreakReason; 1796 __le32 AccessMaskHint; 1797 __le32 ShareMaskHint; 1798 } __packed; 1799 1800 struct smb2_lease_ack { 1801 struct smb2_hdr hdr; 1802 __le16 StructureSize; /* Must be 36 */ 1803 __le16 Reserved; 1804 __le32 Flags; 1805 __u8 LeaseKey[16]; 1806 __le32 LeaseState; 1807 __le64 LeaseDuration; 1808 } __packed; 1809 1810 #define OP_BREAK_STRUCT_SIZE_20 24 1811 #define OP_BREAK_STRUCT_SIZE_21 36 1812 #endif /* _COMMON_SMB2PDU_H */ 1813