1 /* SPDX-License-Identifier: LGPL-2.1 */ 2 #ifndef _COMMON_SMB2PDU_H 3 #define _COMMON_SMB2PDU_H 4 5 /* 6 * Note that, due to trying to use names similar to the protocol specifications, 7 * there are many mixed case field names in the structures below. Although 8 * this does not match typical Linux kernel style, it is necessary to be 9 * able to match against the protocol specfication. 10 * 11 * SMB2 commands 12 * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses 13 * (ie no useful data other than the SMB error code itself) and are marked such. 14 * Knowing this helps avoid response buffer allocations and copy in some cases. 15 */ 16 17 /* List of commands in host endian */ 18 #define SMB2_NEGOTIATE_HE 0x0000 19 #define SMB2_SESSION_SETUP_HE 0x0001 20 #define SMB2_LOGOFF_HE 0x0002 /* trivial request/resp */ 21 #define SMB2_TREE_CONNECT_HE 0x0003 22 #define SMB2_TREE_DISCONNECT_HE 0x0004 /* trivial req/resp */ 23 #define SMB2_CREATE_HE 0x0005 24 #define SMB2_CLOSE_HE 0x0006 25 #define SMB2_FLUSH_HE 0x0007 /* trivial resp */ 26 #define SMB2_READ_HE 0x0008 27 #define SMB2_WRITE_HE 0x0009 28 #define SMB2_LOCK_HE 0x000A 29 #define SMB2_IOCTL_HE 0x000B 30 #define SMB2_CANCEL_HE 0x000C 31 #define SMB2_ECHO_HE 0x000D 32 #define SMB2_QUERY_DIRECTORY_HE 0x000E 33 #define SMB2_CHANGE_NOTIFY_HE 0x000F 34 #define SMB2_QUERY_INFO_HE 0x0010 35 #define SMB2_SET_INFO_HE 0x0011 36 #define SMB2_OPLOCK_BREAK_HE 0x0012 37 38 /* The same list in little endian */ 39 #define SMB2_NEGOTIATE cpu_to_le16(SMB2_NEGOTIATE_HE) 40 #define SMB2_SESSION_SETUP cpu_to_le16(SMB2_SESSION_SETUP_HE) 41 #define SMB2_LOGOFF cpu_to_le16(SMB2_LOGOFF_HE) 42 #define SMB2_TREE_CONNECT cpu_to_le16(SMB2_TREE_CONNECT_HE) 43 #define SMB2_TREE_DISCONNECT cpu_to_le16(SMB2_TREE_DISCONNECT_HE) 44 #define SMB2_CREATE cpu_to_le16(SMB2_CREATE_HE) 45 #define SMB2_CLOSE cpu_to_le16(SMB2_CLOSE_HE) 46 #define SMB2_FLUSH cpu_to_le16(SMB2_FLUSH_HE) 47 #define SMB2_READ cpu_to_le16(SMB2_READ_HE) 48 #define SMB2_WRITE cpu_to_le16(SMB2_WRITE_HE) 49 #define SMB2_LOCK cpu_to_le16(SMB2_LOCK_HE) 50 #define SMB2_IOCTL cpu_to_le16(SMB2_IOCTL_HE) 51 #define SMB2_CANCEL cpu_to_le16(SMB2_CANCEL_HE) 52 #define SMB2_ECHO cpu_to_le16(SMB2_ECHO_HE) 53 #define SMB2_QUERY_DIRECTORY cpu_to_le16(SMB2_QUERY_DIRECTORY_HE) 54 #define SMB2_CHANGE_NOTIFY cpu_to_le16(SMB2_CHANGE_NOTIFY_HE) 55 #define SMB2_QUERY_INFO cpu_to_le16(SMB2_QUERY_INFO_HE) 56 #define SMB2_SET_INFO cpu_to_le16(SMB2_SET_INFO_HE) 57 #define SMB2_OPLOCK_BREAK cpu_to_le16(SMB2_OPLOCK_BREAK_HE) 58 59 #define SMB2_INTERNAL_CMD cpu_to_le16(0xFFFF) 60 61 #define NUMBER_OF_SMB2_COMMANDS 0x0013 62 63 /* 64 * Size of the session key (crypto key encrypted with the password 65 */ 66 #define SMB2_NTLMV2_SESSKEY_SIZE 16 67 #define SMB2_SIGNATURE_SIZE 16 68 #define SMB2_HMACSHA256_SIZE 32 69 #define SMB2_CMACAES_SIZE 16 70 #define SMB3_GCM128_CRYPTKEY_SIZE 16 71 #define SMB3_GCM256_CRYPTKEY_SIZE 32 72 73 /* 74 * Size of the smb3 encryption/decryption keys 75 * This size is big enough to store any cipher key types. 76 */ 77 #define SMB3_ENC_DEC_KEY_SIZE 32 78 79 /* 80 * Size of the smb3 signing key 81 */ 82 #define SMB3_SIGN_KEY_SIZE 16 83 84 #define CIFS_CLIENT_CHALLENGE_SIZE 8 85 86 /* Maximum buffer size value we can send with 1 credit */ 87 #define SMB2_MAX_BUFFER_SIZE 65536 88 89 /* 90 * The default wsize is 1M for SMB2 (and for some CIFS cases). 91 * find_get_pages seems to return a maximum of 256 92 * pages in a single call. With PAGE_SIZE == 4k, this means we can 93 * fill a single wsize request with a single call. 94 */ 95 #define SMB3_DEFAULT_IOSIZE (4 * 1024 * 1024) 96 97 /* 98 * SMB2 Header Definition 99 * 100 * "MBZ" : Must be Zero 101 * "BB" : BugBug, Something to check/review/analyze later 102 * "PDU" : "Protocol Data Unit" (ie a network "frame") 103 * 104 */ 105 106 #define __SMB2_HEADER_STRUCTURE_SIZE 64 107 #define SMB2_HEADER_STRUCTURE_SIZE \ 108 cpu_to_le16(__SMB2_HEADER_STRUCTURE_SIZE) 109 110 #define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe) 111 #define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd) 112 #define SMB2_COMPRESSION_TRANSFORM_ID cpu_to_le32(0x424d53fc) 113 114 /* 115 * SMB2 flag definitions 116 */ 117 #define SMB2_FLAGS_SERVER_TO_REDIR cpu_to_le32(0x00000001) 118 #define SMB2_FLAGS_ASYNC_COMMAND cpu_to_le32(0x00000002) 119 #define SMB2_FLAGS_RELATED_OPERATIONS cpu_to_le32(0x00000004) 120 #define SMB2_FLAGS_SIGNED cpu_to_le32(0x00000008) 121 #define SMB2_FLAGS_PRIORITY_MASK cpu_to_le32(0x00000070) /* SMB3.1.1 */ 122 #define SMB2_FLAGS_DFS_OPERATIONS cpu_to_le32(0x10000000) 123 #define SMB2_FLAGS_REPLAY_OPERATION cpu_to_le32(0x20000000) /* SMB3 & up */ 124 125 /* 126 * Definitions for SMB2 Protocol Data Units (network frames) 127 * 128 * See MS-SMB2.PDF specification for protocol details. 129 * The Naming convention is the lower case version of the SMB2 130 * command code name for the struct. Note that structures must be packed. 131 * 132 */ 133 134 /* See MS-SMB2 section 2.2.1 */ 135 struct smb2_hdr { 136 __le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */ 137 __le16 StructureSize; /* 64 */ 138 __le16 CreditCharge; /* MBZ */ 139 __le32 Status; /* Error from server */ 140 __le16 Command; 141 __le16 CreditRequest; /* CreditResponse */ 142 __le32 Flags; 143 __le32 NextCommand; 144 __le64 MessageId; 145 union { 146 struct { 147 __le32 ProcessId; 148 __le32 TreeId; 149 } __packed SyncId; 150 __le64 AsyncId; 151 } __packed Id; 152 __le64 SessionId; 153 __u8 Signature[16]; 154 } __packed; 155 156 struct smb3_hdr_req { 157 __le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */ 158 __le16 StructureSize; /* 64 */ 159 __le16 CreditCharge; /* MBZ */ 160 __le16 ChannelSequence; /* See MS-SMB2 3.2.4.1 and 3.2.7.1 */ 161 __le16 Reserved; 162 __le16 Command; 163 __le16 CreditRequest; /* CreditResponse */ 164 __le32 Flags; 165 __le32 NextCommand; 166 __le64 MessageId; 167 union { 168 struct { 169 __le32 ProcessId; 170 __le32 TreeId; 171 } __packed SyncId; 172 __le64 AsyncId; 173 } __packed Id; 174 __le64 SessionId; 175 __u8 Signature[16]; 176 } __packed; 177 178 struct smb2_pdu { 179 struct smb2_hdr hdr; 180 __le16 StructureSize2; /* size of wct area (varies, request specific) */ 181 } __packed; 182 183 #define SMB2_ERROR_STRUCTURE_SIZE2 9 184 #define SMB2_ERROR_STRUCTURE_SIZE2_LE cpu_to_le16(SMB2_ERROR_STRUCTURE_SIZE2) 185 186 struct smb2_err_rsp { 187 struct smb2_hdr hdr; 188 __le16 StructureSize; 189 __u8 ErrorContextCount; 190 __u8 Reserved; 191 __le32 ByteCount; /* even if zero, at least one byte follows */ 192 __u8 ErrorData[]; /* variable length */ 193 } __packed; 194 195 #define SMB3_AES_CCM_NONCE 11 196 #define SMB3_AES_GCM_NONCE 12 197 198 /* Transform flags (for 3.0 dialect this flag indicates CCM */ 199 #define TRANSFORM_FLAG_ENCRYPTED 0x0001 200 struct smb2_transform_hdr { 201 __le32 ProtocolId; /* 0xFD 'S' 'M' 'B' */ 202 __u8 Signature[16]; 203 __u8 Nonce[16]; 204 __le32 OriginalMessageSize; 205 __u16 Reserved1; 206 __le16 Flags; /* EncryptionAlgorithm for 3.0, enc enabled for 3.1.1 */ 207 __le64 SessionId; 208 } __packed; 209 210 211 /* See MS-SMB2 2.2.42 */ 212 struct smb2_compression_transform_hdr_unchained { 213 __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */ 214 __le32 OriginalCompressedSegmentSize; 215 __le16 CompressionAlgorithm; 216 __le16 Flags; 217 __le16 Length; /* if chained it is length, else offset */ 218 } __packed; 219 220 /* See MS-SMB2 2.2.42.1 */ 221 #define SMB2_COMPRESSION_FLAG_NONE 0x0000 222 #define SMB2_COMPRESSION_FLAG_CHAINED 0x0001 223 224 struct compression_payload_header { 225 __le16 CompressionAlgorithm; 226 __le16 Flags; 227 __le32 Length; /* length of compressed playload including field below if present */ 228 /* __le32 OriginalPayloadSize; */ /* optional, present when LZNT1, LZ77, LZ77+Huffman */ 229 } __packed; 230 231 /* See MS-SMB2 2.2.42.2 */ 232 struct smb2_compression_transform_hdr_chained { 233 __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */ 234 __le32 OriginalCompressedSegmentSize; 235 /* struct compression_payload_header[] */ 236 } __packed; 237 238 /* See MS-SMB2 2.2.42.2.2 */ 239 struct compression_pattern_payload_v1 { 240 __le16 Pattern; 241 __le16 Reserved1; 242 __le16 Reserved2; 243 __le32 Repetitions; 244 } __packed; 245 246 /* See MS-SMB2 section 2.2.9.2 */ 247 /* Context Types */ 248 #define SMB2_RESERVED_TREE_CONNECT_CONTEXT_ID 0x0000 249 #define SMB2_REMOTED_IDENTITY_TREE_CONNECT_CONTEXT_ID cpu_to_le16(0x0001) 250 251 struct tree_connect_contexts { 252 __le16 ContextType; 253 __le16 DataLength; 254 __le32 Reserved; 255 __u8 Data[]; 256 } __packed; 257 258 /* Remoted identity tree connect context structures - see MS-SMB2 2.2.9.2.1 */ 259 struct smb3_blob_data { 260 __le16 BlobSize; 261 __u8 BlobData[]; 262 } __packed; 263 264 /* Valid values for Attr */ 265 #define SE_GROUP_MANDATORY 0x00000001 266 #define SE_GROUP_ENABLED_BY_DEFAULT 0x00000002 267 #define SE_GROUP_ENABLED 0x00000004 268 #define SE_GROUP_OWNER 0x00000008 269 #define SE_GROUP_USE_FOR_DENY_ONLY 0x00000010 270 #define SE_GROUP_INTEGRITY 0x00000020 271 #define SE_GROUP_INTEGRITY_ENABLED 0x00000040 272 #define SE_GROUP_RESOURCE 0x20000000 273 #define SE_GROUP_LOGON_ID 0xC0000000 274 275 /* struct sid_attr_data is SidData array in BlobData format then le32 Attr */ 276 277 struct sid_array_data { 278 __le16 SidAttrCount; 279 /* SidAttrList - array of sid_attr_data structs */ 280 } __packed; 281 282 struct luid_attr_data { 283 284 } __packed; 285 286 /* 287 * struct privilege_data is the same as BLOB_DATA - see MS-SMB2 2.2.9.2.1.5 288 * but with size of LUID_ATTR_DATA struct and BlobData set to LUID_ATTR DATA 289 */ 290 291 struct privilege_array_data { 292 __le16 PrivilegeCount; 293 /* array of privilege_data structs */ 294 } __packed; 295 296 struct remoted_identity_tcon_context { 297 __le16 TicketType; /* must be 0x0001 */ 298 __le16 TicketSize; /* total size of this struct */ 299 __le16 User; /* offset to SID_ATTR_DATA struct with user info */ 300 __le16 UserName; /* offset to null terminated Unicode username string */ 301 __le16 Domain; /* offset to null terminated Unicode domain name */ 302 __le16 Groups; /* offset to SID_ARRAY_DATA struct with group info */ 303 __le16 RestrictedGroups; /* similar to above */ 304 __le16 Privileges; /* offset to PRIVILEGE_ARRAY_DATA struct */ 305 __le16 PrimaryGroup; /* offset to SID_ARRAY_DATA struct */ 306 __le16 Owner; /* offset to BLOB_DATA struct */ 307 __le16 DefaultDacl; /* offset to BLOB_DATA struct */ 308 __le16 DeviceGroups; /* offset to SID_ARRAY_DATA struct */ 309 __le16 UserClaims; /* offset to BLOB_DATA struct */ 310 __le16 DeviceClaims; /* offset to BLOB_DATA struct */ 311 __u8 TicketInfo[]; /* variable length buf - remoted identity data */ 312 } __packed; 313 314 struct smb2_tree_connect_req_extension { 315 __le32 TreeConnectContextOffset; 316 __le16 TreeConnectContextCount; 317 __u8 Reserved[10]; 318 __u8 PathName[]; /* variable sized array */ 319 /* followed by array of TreeConnectContexts */ 320 } __packed; 321 322 /* Flags/Reserved for SMB3.1.1 */ 323 #define SMB2_TREE_CONNECT_FLAG_CLUSTER_RECONNECT cpu_to_le16(0x0001) 324 #define SMB2_TREE_CONNECT_FLAG_REDIRECT_TO_OWNER cpu_to_le16(0x0002) 325 #define SMB2_TREE_CONNECT_FLAG_EXTENSION_PRESENT cpu_to_le16(0x0004) 326 327 struct smb2_tree_connect_req { 328 struct smb2_hdr hdr; 329 __le16 StructureSize; /* Must be 9 */ 330 __le16 Flags; /* Flags in SMB3.1.1 */ 331 __le16 PathOffset; 332 __le16 PathLength; 333 __u8 Buffer[]; /* variable length */ 334 } __packed; 335 336 /* Possible ShareType values */ 337 #define SMB2_SHARE_TYPE_DISK 0x01 338 #define SMB2_SHARE_TYPE_PIPE 0x02 339 #define SMB2_SHARE_TYPE_PRINT 0x03 340 341 /* 342 * Possible ShareFlags - exactly one and only one of the first 4 caching flags 343 * must be set (any of the remaining, SHI1005, flags may be set individually 344 * or in combination. 345 */ 346 #define SMB2_SHAREFLAG_MANUAL_CACHING 0x00000000 347 #define SMB2_SHAREFLAG_AUTO_CACHING 0x00000010 348 #define SMB2_SHAREFLAG_VDO_CACHING 0x00000020 349 #define SMB2_SHAREFLAG_NO_CACHING 0x00000030 350 #define SHI1005_FLAGS_DFS 0x00000001 351 #define SHI1005_FLAGS_DFS_ROOT 0x00000002 352 #define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS 0x00000100 353 #define SHI1005_FLAGS_FORCE_SHARED_DELETE 0x00000200 354 #define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING 0x00000400 355 #define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM 0x00000800 356 #define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK 0x00001000 357 #define SHI1005_FLAGS_ENABLE_HASH_V1 0x00002000 358 #define SHI1005_FLAGS_ENABLE_HASH_V2 0x00004000 359 #define SHI1005_FLAGS_ENCRYPT_DATA 0x00008000 360 #define SMB2_SHAREFLAG_IDENTITY_REMOTING 0x00040000 /* 3.1.1 */ 361 #define SMB2_SHAREFLAG_COMPRESS_DATA 0x00100000 /* 3.1.1 */ 362 #define SHI1005_FLAGS_ALL 0x0014FF33 363 364 /* Possible share capabilities */ 365 #define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) /* all dialects */ 366 #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */ 367 #define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */ 368 #define SMB2_SHARE_CAP_CLUSTER cpu_to_le32(0x00000040) /* 3.0 */ 369 #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */ 370 #define SMB2_SHARE_CAP_REDIRECT_TO_OWNER cpu_to_le32(0x00000100) /* 3.1.1 */ 371 372 struct smb2_tree_connect_rsp { 373 struct smb2_hdr hdr; 374 __le16 StructureSize; /* Must be 16 */ 375 __u8 ShareType; /* see below */ 376 __u8 Reserved; 377 __le32 ShareFlags; /* see below */ 378 __le32 Capabilities; /* see below */ 379 __le32 MaximalAccess; 380 } __packed; 381 382 struct smb2_tree_disconnect_req { 383 struct smb2_hdr hdr; 384 __le16 StructureSize; /* Must be 4 */ 385 __le16 Reserved; 386 } __packed; 387 388 struct smb2_tree_disconnect_rsp { 389 struct smb2_hdr hdr; 390 __le16 StructureSize; /* Must be 4 */ 391 __le16 Reserved; 392 } __packed; 393 394 395 /* 396 * SMB2_NEGOTIATE_PROTOCOL See MS-SMB2 section 2.2.3 397 */ 398 /* SecurityMode flags */ 399 #define SMB2_NEGOTIATE_SIGNING_ENABLED 0x0001 400 #define SMB2_NEGOTIATE_SIGNING_ENABLED_LE cpu_to_le16(0x0001) 401 #define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002 402 #define SMB2_NEGOTIATE_SIGNING_REQUIRED_LE cpu_to_le16(0x0002) 403 #define SMB2_SEC_MODE_FLAGS_ALL 0x0003 404 405 /* Capabilities flags */ 406 #define SMB2_GLOBAL_CAP_DFS 0x00000001 407 #define SMB2_GLOBAL_CAP_LEASING 0x00000002 /* Resp only New to SMB2.1 */ 408 #define SMB2_GLOBAL_CAP_LARGE_MTU 0X00000004 /* Resp only New to SMB2.1 */ 409 #define SMB2_GLOBAL_CAP_MULTI_CHANNEL 0x00000008 /* New to SMB3 */ 410 #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */ 411 #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING 0x00000020 /* New to SMB3 */ 412 #define SMB2_GLOBAL_CAP_ENCRYPTION 0x00000040 /* New to SMB3 */ 413 /* Internal types */ 414 #define SMB2_NT_FIND 0x00100000 415 #define SMB2_LARGE_FILES 0x00200000 416 417 #define SMB2_CLIENT_GUID_SIZE 16 418 #define SMB2_CREATE_GUID_SIZE 16 419 420 /* Dialects */ 421 #define SMB10_PROT_ID 0x0000 /* local only, not sent on wire w/CIFS negprot */ 422 #define SMB20_PROT_ID 0x0202 423 #define SMB21_PROT_ID 0x0210 424 #define SMB2X_PROT_ID 0x02FF 425 #define SMB30_PROT_ID 0x0300 426 #define SMB302_PROT_ID 0x0302 427 #define SMB311_PROT_ID 0x0311 428 #define BAD_PROT_ID 0xFFFF 429 430 #define SMB311_SALT_SIZE 32 431 /* Hash Algorithm Types */ 432 #define SMB2_PREAUTH_INTEGRITY_SHA512 cpu_to_le16(0x0001) 433 #define SMB2_PREAUTH_HASH_SIZE 64 434 435 /* Negotiate Contexts - ContextTypes. See MS-SMB2 section 2.2.3.1 for details */ 436 #define SMB2_PREAUTH_INTEGRITY_CAPABILITIES cpu_to_le16(1) 437 #define SMB2_ENCRYPTION_CAPABILITIES cpu_to_le16(2) 438 #define SMB2_COMPRESSION_CAPABILITIES cpu_to_le16(3) 439 #define SMB2_NETNAME_NEGOTIATE_CONTEXT_ID cpu_to_le16(5) 440 #define SMB2_TRANSPORT_CAPABILITIES cpu_to_le16(6) 441 #define SMB2_RDMA_TRANSFORM_CAPABILITIES cpu_to_le16(7) 442 #define SMB2_SIGNING_CAPABILITIES cpu_to_le16(8) 443 #define SMB2_POSIX_EXTENSIONS_AVAILABLE cpu_to_le16(0x100) 444 445 struct smb2_neg_context { 446 __le16 ContextType; 447 __le16 DataLength; 448 __le32 Reserved; 449 /* Followed by array of data. NOTE: some servers require padding to 8 byte boundary */ 450 } __packed; 451 452 /* 453 * SaltLength that the server send can be zero, so the only three required 454 * fields (all __le16) end up six bytes total, so the minimum context data len 455 * in the response is six bytes which accounts for 456 * 457 * HashAlgorithmCount, SaltLength, and 1 HashAlgorithm. 458 */ 459 #define MIN_PREAUTH_CTXT_DATA_LEN 6 460 461 struct smb2_preauth_neg_context { 462 __le16 ContextType; /* 1 */ 463 __le16 DataLength; 464 __le32 Reserved; 465 __le16 HashAlgorithmCount; /* 1 */ 466 __le16 SaltLength; 467 __le16 HashAlgorithms; /* HashAlgorithms[0] since only one defined */ 468 __u8 Salt[SMB311_SALT_SIZE]; 469 } __packed; 470 471 /* Encryption Algorithms Ciphers */ 472 #define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001) 473 #define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002) 474 #define SMB2_ENCRYPTION_AES256_CCM cpu_to_le16(0x0003) 475 #define SMB2_ENCRYPTION_AES256_GCM cpu_to_le16(0x0004) 476 477 /* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */ 478 #define MIN_ENCRYPT_CTXT_DATA_LEN 4 479 struct smb2_encryption_neg_context { 480 __le16 ContextType; /* 2 */ 481 __le16 DataLength; 482 __le32 Reserved; 483 /* CipherCount usally 2, but can be 3 when AES256-GCM enabled */ 484 __le16 CipherCount; /* AES128-GCM and AES128-CCM by default */ 485 __le16 Ciphers[]; 486 } __packed; 487 488 /* See MS-SMB2 2.2.3.1.3 */ 489 #define SMB3_COMPRESS_NONE cpu_to_le16(0x0000) 490 #define SMB3_COMPRESS_LZNT1 cpu_to_le16(0x0001) 491 #define SMB3_COMPRESS_LZ77 cpu_to_le16(0x0002) 492 #define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003) 493 /* Pattern scanning algorithm See MS-SMB2 3.1.4.4.1 */ 494 #define SMB3_COMPRESS_PATTERN cpu_to_le16(0x0004) /* Pattern_V1 */ 495 496 /* Compression Flags */ 497 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_NONE cpu_to_le32(0x00000000) 498 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_CHAINED cpu_to_le32(0x00000001) 499 500 struct smb2_compression_capabilities_context { 501 __le16 ContextType; /* 3 */ 502 __le16 DataLength; 503 __le32 Reserved; 504 __le16 CompressionAlgorithmCount; 505 __le16 Padding; 506 __le32 Flags; 507 __le16 CompressionAlgorithms[3]; 508 __u16 Pad; /* Some servers require pad to DataLen multiple of 8 */ 509 /* Check if pad needed */ 510 } __packed; 511 512 /* 513 * For smb2_netname_negotiate_context_id See MS-SMB2 2.2.3.1.4. 514 * Its struct simply contains NetName, an array of Unicode characters 515 */ 516 struct smb2_netname_neg_context { 517 __le16 ContextType; /* 5 */ 518 __le16 DataLength; 519 __le32 Reserved; 520 __le16 NetName[]; /* hostname of target converted to UCS-2 */ 521 } __packed; 522 523 /* 524 * For smb2_transport_capabilities context see MS-SMB2 2.2.3.1.5 525 * and 2.2.4.1.5 526 */ 527 528 /* Flags */ 529 #define SMB2_ACCEPT_TRANSPORT_LEVEL_SECURITY 0x00000001 530 531 struct smb2_transport_capabilities_context { 532 __le16 ContextType; /* 6 */ 533 __le16 DataLength; 534 __u32 Reserved; 535 __le32 Flags; 536 __u32 Pad; 537 } __packed; 538 539 /* 540 * For rdma transform capabilities context see MS-SMB2 2.2.3.1.6 541 * and 2.2.4.1.6 542 */ 543 544 /* RDMA Transform IDs */ 545 #define SMB2_RDMA_TRANSFORM_NONE 0x0000 546 #define SMB2_RDMA_TRANSFORM_ENCRYPTION 0x0001 547 #define SMB2_RDMA_TRANSFORM_SIGNING 0x0002 548 549 struct smb2_rdma_transform_capabilities_context { 550 __le16 ContextType; /* 7 */ 551 __le16 DataLength; 552 __u32 Reserved; 553 __le16 TransformCount; 554 __u16 Reserved1; 555 __u32 Reserved2; 556 __le16 RDMATransformIds[]; 557 } __packed; 558 559 /* 560 * For signing capabilities context see MS-SMB2 2.2.3.1.7 561 * and 2.2.4.1.7 562 */ 563 564 /* Signing algorithms */ 565 #define SIGNING_ALG_HMAC_SHA256 0 566 #define SIGNING_ALG_HMAC_SHA256_LE cpu_to_le16(0) 567 #define SIGNING_ALG_AES_CMAC 1 568 #define SIGNING_ALG_AES_CMAC_LE cpu_to_le16(1) 569 #define SIGNING_ALG_AES_GMAC 2 570 #define SIGNING_ALG_AES_GMAC_LE cpu_to_le16(2) 571 572 struct smb2_signing_capabilities { 573 __le16 ContextType; /* 8 */ 574 __le16 DataLength; 575 __le32 Reserved; 576 __le16 SigningAlgorithmCount; 577 __le16 SigningAlgorithms[]; 578 /* Followed by padding to 8 byte boundary (required by some servers) */ 579 } __packed; 580 581 #define POSIX_CTXT_DATA_LEN 16 582 struct smb2_posix_neg_context { 583 __le16 ContextType; /* 0x100 */ 584 __le16 DataLength; 585 __le32 Reserved; 586 __u8 Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */ 587 } __packed; 588 589 struct smb2_negotiate_req { 590 struct smb2_hdr hdr; 591 __le16 StructureSize; /* Must be 36 */ 592 __le16 DialectCount; 593 __le16 SecurityMode; 594 __le16 Reserved; /* MBZ */ 595 __le32 Capabilities; 596 __u8 ClientGUID[SMB2_CLIENT_GUID_SIZE]; 597 /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */ 598 __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */ 599 __le16 NegotiateContextCount; /* SMB3.1.1 only. MBZ earlier */ 600 __le16 Reserved2; 601 __le16 Dialects[]; 602 } __packed; 603 604 struct smb2_negotiate_rsp { 605 struct smb2_hdr hdr; 606 __le16 StructureSize; /* Must be 65 */ 607 __le16 SecurityMode; 608 __le16 DialectRevision; 609 __le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */ 610 __u8 ServerGUID[16]; 611 __le32 Capabilities; 612 __le32 MaxTransactSize; 613 __le32 MaxReadSize; 614 __le32 MaxWriteSize; 615 __le64 SystemTime; /* MBZ */ 616 __le64 ServerStartTime; 617 __le16 SecurityBufferOffset; 618 __le16 SecurityBufferLength; 619 __le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */ 620 __u8 Buffer[]; /* variable length GSS security buffer */ 621 } __packed; 622 623 624 /* 625 * SMB2_SESSION_SETUP See MS-SMB2 section 2.2.5 626 */ 627 /* Flags */ 628 #define SMB2_SESSION_REQ_FLAG_BINDING 0x01 629 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04 630 631 struct smb2_sess_setup_req { 632 struct smb2_hdr hdr; 633 __le16 StructureSize; /* Must be 25 */ 634 __u8 Flags; 635 __u8 SecurityMode; 636 __le32 Capabilities; 637 __le32 Channel; 638 __le16 SecurityBufferOffset; 639 __le16 SecurityBufferLength; 640 __le64 PreviousSessionId; 641 __u8 Buffer[]; /* variable length GSS security buffer */ 642 } __packed; 643 644 /* Currently defined SessionFlags */ 645 #define SMB2_SESSION_FLAG_IS_GUEST 0x0001 646 #define SMB2_SESSION_FLAG_IS_GUEST_LE cpu_to_le16(0x0001) 647 #define SMB2_SESSION_FLAG_IS_NULL 0x0002 648 #define SMB2_SESSION_FLAG_IS_NULL_LE cpu_to_le16(0x0002) 649 #define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004 650 #define SMB2_SESSION_FLAG_ENCRYPT_DATA_LE cpu_to_le16(0x0004) 651 652 struct smb2_sess_setup_rsp { 653 struct smb2_hdr hdr; 654 __le16 StructureSize; /* Must be 9 */ 655 __le16 SessionFlags; 656 __le16 SecurityBufferOffset; 657 __le16 SecurityBufferLength; 658 __u8 Buffer[]; /* variable length GSS security buffer */ 659 } __packed; 660 661 662 /* 663 * SMB2_LOGOFF See MS-SMB2 section 2.2.7 664 */ 665 struct smb2_logoff_req { 666 struct smb2_hdr hdr; 667 __le16 StructureSize; /* Must be 4 */ 668 __le16 Reserved; 669 } __packed; 670 671 struct smb2_logoff_rsp { 672 struct smb2_hdr hdr; 673 __le16 StructureSize; /* Must be 4 */ 674 __le16 Reserved; 675 } __packed; 676 677 678 /* 679 * SMB2_CLOSE See MS-SMB2 section 2.2.15 680 */ 681 /* Currently defined values for close flags */ 682 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001) 683 struct smb2_close_req { 684 struct smb2_hdr hdr; 685 __le16 StructureSize; /* Must be 24 */ 686 __le16 Flags; 687 __le32 Reserved; 688 __u64 PersistentFileId; /* opaque endianness */ 689 __u64 VolatileFileId; /* opaque endianness */ 690 } __packed; 691 692 /* 693 * Maximum size of a SMB2_CLOSE response is 64 (smb2 header) + 60 (data) 694 */ 695 #define MAX_SMB2_CLOSE_RESPONSE_SIZE 124 696 697 struct smb2_close_rsp { 698 struct smb2_hdr hdr; 699 __le16 StructureSize; /* 60 */ 700 __le16 Flags; 701 __le32 Reserved; 702 struct_group(network_open_info, 703 __le64 CreationTime; 704 __le64 LastAccessTime; 705 __le64 LastWriteTime; 706 __le64 ChangeTime; 707 /* Beginning of FILE_STANDARD_INFO equivalent */ 708 __le64 AllocationSize; 709 __le64 EndOfFile; 710 __le32 Attributes; 711 ); 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 /* 988 * SMB2_CREATE See MS-SMB2 section 2.2.13 989 */ 990 /* Oplock levels */ 991 #define SMB2_OPLOCK_LEVEL_NONE 0x00 992 #define SMB2_OPLOCK_LEVEL_II 0x01 993 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08 994 #define SMB2_OPLOCK_LEVEL_BATCH 0x09 995 #define SMB2_OPLOCK_LEVEL_LEASE 0xFF 996 /* Non-spec internal type */ 997 #define SMB2_OPLOCK_LEVEL_NOCHANGE 0x99 998 999 /* Impersonation Levels. See MS-WPO section 9.7 and MSDN-IMPERS */ 1000 #define IL_ANONYMOUS cpu_to_le32(0x00000000) 1001 #define IL_IDENTIFICATION cpu_to_le32(0x00000001) 1002 #define IL_IMPERSONATION cpu_to_le32(0x00000002) 1003 #define IL_DELEGATE cpu_to_le32(0x00000003) 1004 1005 /* File Attrubutes */ 1006 #define FILE_ATTRIBUTE_READONLY 0x00000001 1007 #define FILE_ATTRIBUTE_HIDDEN 0x00000002 1008 #define FILE_ATTRIBUTE_SYSTEM 0x00000004 1009 #define FILE_ATTRIBUTE_DIRECTORY 0x00000010 1010 #define FILE_ATTRIBUTE_ARCHIVE 0x00000020 1011 #define FILE_ATTRIBUTE_NORMAL 0x00000080 1012 #define FILE_ATTRIBUTE_TEMPORARY 0x00000100 1013 #define FILE_ATTRIBUTE_SPARSE_FILE 0x00000200 1014 #define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400 1015 #define FILE_ATTRIBUTE_COMPRESSED 0x00000800 1016 #define FILE_ATTRIBUTE_OFFLINE 0x00001000 1017 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x00002000 1018 #define FILE_ATTRIBUTE_ENCRYPTED 0x00004000 1019 #define FILE_ATTRIBUTE_INTEGRITY_STREAM 0x00008000 1020 #define FILE_ATTRIBUTE_NO_SCRUB_DATA 0x00020000 1021 #define FILE_ATTRIBUTE__MASK 0x00007FB7 1022 1023 #define FILE_ATTRIBUTE_READONLY_LE cpu_to_le32(0x00000001) 1024 #define FILE_ATTRIBUTE_HIDDEN_LE cpu_to_le32(0x00000002) 1025 #define FILE_ATTRIBUTE_SYSTEM_LE cpu_to_le32(0x00000004) 1026 #define FILE_ATTRIBUTE_DIRECTORY_LE cpu_to_le32(0x00000010) 1027 #define FILE_ATTRIBUTE_ARCHIVE_LE cpu_to_le32(0x00000020) 1028 #define FILE_ATTRIBUTE_NORMAL_LE cpu_to_le32(0x00000080) 1029 #define FILE_ATTRIBUTE_TEMPORARY_LE cpu_to_le32(0x00000100) 1030 #define FILE_ATTRIBUTE_SPARSE_FILE_LE cpu_to_le32(0x00000200) 1031 #define FILE_ATTRIBUTE_REPARSE_POINT_LE cpu_to_le32(0x00000400) 1032 #define FILE_ATTRIBUTE_COMPRESSED_LE cpu_to_le32(0x00000800) 1033 #define FILE_ATTRIBUTE_OFFLINE_LE cpu_to_le32(0x00001000) 1034 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED_LE cpu_to_le32(0x00002000) 1035 #define FILE_ATTRIBUTE_ENCRYPTED_LE cpu_to_le32(0x00004000) 1036 #define FILE_ATTRIBUTE_INTEGRITY_STREAM_LE cpu_to_le32(0x00008000) 1037 #define FILE_ATTRIBUTE_NO_SCRUB_DATA_LE cpu_to_le32(0x00020000) 1038 #define FILE_ATTRIBUTE_MASK_LE cpu_to_le32(0x00007FB7) 1039 1040 /* Desired Access Flags */ 1041 #define FILE_READ_DATA_LE cpu_to_le32(0x00000001) 1042 #define FILE_LIST_DIRECTORY_LE cpu_to_le32(0x00000001) 1043 #define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002) 1044 #define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004) 1045 #define FILE_ADD_SUBDIRECTORY_LE cpu_to_le32(0x00000004) 1046 #define FILE_READ_EA_LE cpu_to_le32(0x00000008) 1047 #define FILE_WRITE_EA_LE cpu_to_le32(0x00000010) 1048 #define FILE_EXECUTE_LE cpu_to_le32(0x00000020) 1049 #define FILE_DELETE_CHILD_LE cpu_to_le32(0x00000040) 1050 #define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080) 1051 #define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100) 1052 #define FILE_DELETE_LE cpu_to_le32(0x00010000) 1053 #define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000) 1054 #define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000) 1055 #define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000) 1056 #define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000) 1057 #define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000) 1058 #define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000) 1059 #define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000) 1060 #define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000) 1061 #define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000) 1062 #define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000) 1063 #define DESIRED_ACCESS_MASK cpu_to_le32(0xF21F01FF) 1064 1065 1066 #define FILE_READ_DESIRED_ACCESS_LE (FILE_READ_DATA_LE | \ 1067 FILE_READ_EA_LE | \ 1068 FILE_GENERIC_READ_LE) 1069 #define FILE_WRITE_DESIRE_ACCESS_LE (FILE_WRITE_DATA_LE | \ 1070 FILE_APPEND_DATA_LE | \ 1071 FILE_WRITE_EA_LE | \ 1072 FILE_WRITE_ATTRIBUTES_LE | \ 1073 FILE_GENERIC_WRITE_LE) 1074 1075 /* ShareAccess Flags */ 1076 #define FILE_SHARE_READ_LE cpu_to_le32(0x00000001) 1077 #define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002) 1078 #define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004) 1079 #define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007) 1080 1081 /* CreateDisposition Flags */ 1082 #define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000) 1083 #define FILE_OPEN_LE cpu_to_le32(0x00000001) 1084 #define FILE_CREATE_LE cpu_to_le32(0x00000002) 1085 #define FILE_OPEN_IF_LE cpu_to_le32(0x00000003) 1086 #define FILE_OVERWRITE_LE cpu_to_le32(0x00000004) 1087 #define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005) 1088 #define FILE_CREATE_MASK_LE cpu_to_le32(0x00000007) 1089 1090 #define FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA \ 1091 | FILE_READ_ATTRIBUTES) 1092 #define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ 1093 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES) 1094 #define FILE_EXEC_RIGHTS (FILE_EXECUTE) 1095 1096 /* CreateOptions Flags */ 1097 #define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001) 1098 /* same as #define CREATE_NOT_FILE_LE cpu_to_le32(0x00000001) */ 1099 #define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002) 1100 #define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004) 1101 #define FILE_NO_INTERMEDIATE_BUFFERING_LE cpu_to_le32(0x00000008) 1102 #define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040) 1103 #define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100) 1104 #define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200) 1105 #define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800) 1106 #define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000) 1107 #define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000) 1108 #define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000) 1109 #define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000) 1110 #define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000) 1111 #define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000) 1112 #define CREATE_OPTIONS_MASK_LE cpu_to_le32(0x00FFFFFF) 1113 1114 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \ 1115 | FILE_READ_ATTRIBUTES_LE) 1116 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \ 1117 | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE) 1118 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE) 1119 1120 /* Create Context Values */ 1121 #define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */ 1122 #define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */ 1123 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ" 1124 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC" 1125 #define SMB2_CREATE_ALLOCATION_SIZE "AlSi" 1126 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc" 1127 #define SMB2_CREATE_TIMEWARP_REQUEST "TWrp" 1128 #define SMB2_CREATE_QUERY_ON_DISK_ID "QFid" 1129 #define SMB2_CREATE_REQUEST_LEASE "RqLs" 1130 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q" 1131 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C" 1132 #define SMB2_CREATE_TAG_POSIX "\x93\xAD\x25\x50\x9C\xB4\x11\xE7\xB4\x23\x83\xDE\x96\x8B\xCD\x7C" 1133 #define SMB2_CREATE_APP_INSTANCE_ID "\x45\xBC\xA6\x6A\xEF\xA7\xF7\x4A\x90\x08\xFA\x46\x2E\x14\x4D\x74" 1134 #define SMB2_CREATE_APP_INSTANCE_VERSION "\xB9\x82\xD0\xB7\x3B\x56\x07\x4F\xA0\x7B\x52\x4A\x81\x16\xA0\x10" 1135 #define SVHDX_OPEN_DEVICE_CONTEXT "\x9C\xCB\xCF\x9E\x04\xC1\xE6\x43\x98\x0E\x15\x8D\xA1\xF6\xEC\x83" 1136 #define SMB2_CREATE_TAG_AAPL "AAPL" 1137 1138 /* Flag (SMB3 open response) values */ 1139 #define SMB2_CREATE_FLAG_REPARSEPOINT 0x01 1140 1141 struct create_context { 1142 __le32 Next; 1143 __le16 NameOffset; 1144 __le16 NameLength; 1145 __le16 Reserved; 1146 __le16 DataOffset; 1147 __le32 DataLength; 1148 __u8 Buffer[]; 1149 } __packed; 1150 1151 struct smb2_create_req { 1152 struct smb2_hdr hdr; 1153 __le16 StructureSize; /* Must be 57 */ 1154 __u8 SecurityFlags; 1155 __u8 RequestedOplockLevel; 1156 __le32 ImpersonationLevel; 1157 __le64 SmbCreateFlags; 1158 __le64 Reserved; 1159 __le32 DesiredAccess; 1160 __le32 FileAttributes; 1161 __le32 ShareAccess; 1162 __le32 CreateDisposition; 1163 __le32 CreateOptions; 1164 __le16 NameOffset; 1165 __le16 NameLength; 1166 __le32 CreateContextsOffset; 1167 __le32 CreateContextsLength; 1168 __u8 Buffer[]; 1169 } __packed; 1170 1171 struct smb2_create_rsp { 1172 struct smb2_hdr hdr; 1173 __le16 StructureSize; /* Must be 89 */ 1174 __u8 OplockLevel; 1175 __u8 Flags; /* 0x01 if reparse point */ 1176 __le32 CreateAction; 1177 __le64 CreationTime; 1178 __le64 LastAccessTime; 1179 __le64 LastWriteTime; 1180 __le64 ChangeTime; 1181 __le64 AllocationSize; 1182 __le64 EndofFile; 1183 __le32 FileAttributes; 1184 __le32 Reserved2; 1185 __u64 PersistentFileId; 1186 __u64 VolatileFileId; 1187 __le32 CreateContextsOffset; 1188 __le32 CreateContextsLength; 1189 __u8 Buffer[]; 1190 } __packed; 1191 1192 struct create_posix { 1193 struct create_context ccontext; 1194 __u8 Name[16]; 1195 __le32 Mode; 1196 __u32 Reserved; 1197 } __packed; 1198 1199 #define SMB2_LEASE_NONE_LE cpu_to_le32(0x00) 1200 #define SMB2_LEASE_READ_CACHING_LE cpu_to_le32(0x01) 1201 #define SMB2_LEASE_HANDLE_CACHING_LE cpu_to_le32(0x02) 1202 #define SMB2_LEASE_WRITE_CACHING_LE cpu_to_le32(0x04) 1203 1204 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS_LE cpu_to_le32(0x02) 1205 #define SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET_LE cpu_to_le32(0x04) 1206 1207 #define SMB2_LEASE_KEY_SIZE 16 1208 1209 struct lease_context { 1210 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 1211 __le32 LeaseState; 1212 __le32 LeaseFlags; 1213 __le64 LeaseDuration; 1214 } __packed; 1215 1216 struct lease_context_v2 { 1217 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 1218 __le32 LeaseState; 1219 __le32 LeaseFlags; 1220 __le64 LeaseDuration; 1221 __u8 ParentLeaseKey[SMB2_LEASE_KEY_SIZE]; 1222 __le16 Epoch; 1223 __le16 Reserved; 1224 } __packed; 1225 1226 struct create_lease { 1227 struct create_context ccontext; 1228 __u8 Name[8]; 1229 struct lease_context lcontext; 1230 } __packed; 1231 1232 struct create_lease_v2 { 1233 struct create_context ccontext; 1234 __u8 Name[8]; 1235 struct lease_context_v2 lcontext; 1236 __u8 Pad[4]; 1237 } __packed; 1238 1239 /* See MS-SMB2 2.2.31 and 2.2.32 */ 1240 struct smb2_ioctl_req { 1241 struct smb2_hdr hdr; 1242 __le16 StructureSize; /* Must be 57 */ 1243 __le16 Reserved; /* offset from start of SMB2 header to write data */ 1244 __le32 CtlCode; 1245 __u64 PersistentFileId; 1246 __u64 VolatileFileId; 1247 __le32 InputOffset; /* Reserved MBZ */ 1248 __le32 InputCount; 1249 __le32 MaxInputResponse; 1250 __le32 OutputOffset; 1251 __le32 OutputCount; 1252 __le32 MaxOutputResponse; 1253 __le32 Flags; 1254 __le32 Reserved2; 1255 __u8 Buffer[]; 1256 } __packed; 1257 1258 struct smb2_ioctl_rsp { 1259 struct smb2_hdr hdr; 1260 __le16 StructureSize; /* Must be 49 */ 1261 __le16 Reserved; 1262 __le32 CtlCode; 1263 __u64 PersistentFileId; 1264 __u64 VolatileFileId; 1265 __le32 InputOffset; /* Reserved MBZ */ 1266 __le32 InputCount; 1267 __le32 OutputOffset; 1268 __le32 OutputCount; 1269 __le32 Flags; 1270 __le32 Reserved2; 1271 __u8 Buffer[]; 1272 } __packed; 1273 1274 /* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */ 1275 struct file_zero_data_information { 1276 __le64 FileOffset; 1277 __le64 BeyondFinalZero; 1278 } __packed; 1279 1280 /* See MS-FSCC 2.3.7 */ 1281 struct duplicate_extents_to_file { 1282 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 1283 __u64 VolatileFileHandle; 1284 __le64 SourceFileOffset; 1285 __le64 TargetFileOffset; 1286 __le64 ByteCount; /* Bytes to be copied */ 1287 } __packed; 1288 1289 /* See MS-FSCC 2.3.8 */ 1290 #define DUPLICATE_EXTENTS_DATA_EX_SOURCE_ATOMIC 0x00000001 1291 struct duplicate_extents_to_file_ex { 1292 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 1293 __u64 VolatileFileHandle; 1294 __le64 SourceFileOffset; 1295 __le64 TargetFileOffset; 1296 __le64 ByteCount; /* Bytes to be copied */ 1297 __le32 Flags; 1298 __le32 Reserved; 1299 } __packed; 1300 1301 1302 /* See MS-FSCC 2.3.20 */ 1303 struct fsctl_get_integrity_information_rsp { 1304 __le16 ChecksumAlgorithm; 1305 __le16 Reserved; 1306 __le32 Flags; 1307 __le32 ChecksumChunkSizeInBytes; 1308 __le32 ClusterSizeInBytes; 1309 } __packed; 1310 1311 /* See MS-FSCC 2.3.55 */ 1312 struct fsctl_query_file_regions_req { 1313 __le64 FileOffset; 1314 __le64 Length; 1315 __le32 DesiredUsage; 1316 __le32 Reserved; 1317 } __packed; 1318 1319 /* DesiredUsage flags see MS-FSCC 2.3.56.1 */ 1320 #define FILE_USAGE_INVALID_RANGE 0x00000000 1321 #define FILE_USAGE_VALID_CACHED_DATA 0x00000001 1322 #define FILE_USAGE_NONCACHED_DATA 0x00000002 1323 1324 struct file_region_info { 1325 __le64 FileOffset; 1326 __le64 Length; 1327 __le32 DesiredUsage; 1328 __le32 Reserved; 1329 } __packed; 1330 1331 /* See MS-FSCC 2.3.56 */ 1332 struct fsctl_query_file_region_rsp { 1333 __le32 Flags; 1334 __le32 TotalRegionEntryCount; 1335 __le32 RegionEntryCount; 1336 __u32 Reserved; 1337 struct file_region_info Regions[]; 1338 } __packed; 1339 1340 /* See MS-FSCC 2.3.58 */ 1341 struct fsctl_query_on_disk_vol_info_rsp { 1342 __le64 DirectoryCount; 1343 __le64 FileCount; 1344 __le16 FsFormatMajVersion; 1345 __le16 FsFormatMinVersion; 1346 __u8 FsFormatName[24]; 1347 __le64 FormatTime; 1348 __le64 LastUpdateTime; 1349 __u8 CopyrightInfo[68]; 1350 __u8 AbstractInfo[68]; 1351 __u8 FormatImplInfo[68]; 1352 __u8 LastModifyImplInfo[68]; 1353 } __packed; 1354 1355 /* See MS-FSCC 2.3.73 */ 1356 struct fsctl_set_integrity_information_req { 1357 __le16 ChecksumAlgorithm; 1358 __le16 Reserved; 1359 __le32 Flags; 1360 } __packed; 1361 1362 /* See MS-FSCC 2.3.75 */ 1363 struct fsctl_set_integrity_info_ex_req { 1364 __u8 EnableIntegrity; 1365 __u8 KeepState; 1366 __u16 Reserved; 1367 __le32 Flags; 1368 __u8 Version; 1369 __u8 Reserved2[7]; 1370 } __packed; 1371 1372 /* Integrity ChecksumAlgorithm choices for above */ 1373 #define CHECKSUM_TYPE_NONE 0x0000 1374 #define CHECKSUM_TYPE_CRC64 0x0002 1375 #define CHECKSUM_TYPE_UNCHANGED 0xFFFF /* set only */ 1376 1377 /* Integrity flags for above */ 1378 #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x00000001 1379 1380 /* Reparse structures - see MS-FSCC 2.1.2 */ 1381 1382 /* struct fsctl_reparse_info_req is empty, only response structs (see below) */ 1383 struct reparse_data_buffer { 1384 __le32 ReparseTag; 1385 __le16 ReparseDataLength; 1386 __u16 Reserved; 1387 __u8 DataBuffer[]; /* Variable Length */ 1388 } __packed; 1389 1390 struct reparse_guid_data_buffer { 1391 __le32 ReparseTag; 1392 __le16 ReparseDataLength; 1393 __u16 Reserved; 1394 __u8 ReparseGuid[16]; 1395 __u8 DataBuffer[]; /* Variable Length */ 1396 } __packed; 1397 1398 struct reparse_mount_point_data_buffer { 1399 __le32 ReparseTag; 1400 __le16 ReparseDataLength; 1401 __u16 Reserved; 1402 __le16 SubstituteNameOffset; 1403 __le16 SubstituteNameLength; 1404 __le16 PrintNameOffset; 1405 __le16 PrintNameLength; 1406 __u8 PathBuffer[]; /* Variable Length */ 1407 } __packed; 1408 1409 #define SYMLINK_FLAG_RELATIVE 0x00000001 1410 1411 struct reparse_symlink_data_buffer { 1412 __le32 ReparseTag; 1413 __le16 ReparseDataLength; 1414 __u16 Reserved; 1415 __le16 SubstituteNameOffset; 1416 __le16 SubstituteNameLength; 1417 __le16 PrintNameOffset; 1418 __le16 PrintNameLength; 1419 __le32 Flags; 1420 __u8 PathBuffer[]; /* Variable Length */ 1421 } __packed; 1422 1423 /* See MS-FSCC 2.1.2.6 and cifspdu.h for struct reparse_posix_data */ 1424 1425 struct validate_negotiate_info_req { 1426 __le32 Capabilities; 1427 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1428 __le16 SecurityMode; 1429 __le16 DialectCount; 1430 __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */ 1431 } __packed; 1432 1433 struct validate_negotiate_info_rsp { 1434 __le32 Capabilities; 1435 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1436 __le16 SecurityMode; 1437 __le16 Dialect; /* Dialect in use for the connection */ 1438 } __packed; 1439 1440 1441 /* Possible InfoType values */ 1442 #define SMB2_O_INFO_FILE 0x01 1443 #define SMB2_O_INFO_FILESYSTEM 0x02 1444 #define SMB2_O_INFO_SECURITY 0x03 1445 #define SMB2_O_INFO_QUOTA 0x04 1446 1447 /* SMB2 Query Info see MS-SMB2 (2.2.37) or MS-DTYP */ 1448 1449 /* List of QUERY INFO levels (those also valid for QUERY_DIR are noted below */ 1450 #define FILE_DIRECTORY_INFORMATION 1 /* also for QUERY_DIR */ 1451 #define FILE_FULL_DIRECTORY_INFORMATION 2 /* also for QUERY_DIR */ 1452 #define FILE_BOTH_DIRECTORY_INFORMATION 3 /* also for QUERY_DIR */ 1453 #define FILE_BASIC_INFORMATION 4 1454 #define FILE_STANDARD_INFORMATION 5 1455 #define FILE_INTERNAL_INFORMATION 6 1456 #define FILE_EA_INFORMATION 7 1457 #define FILE_ACCESS_INFORMATION 8 1458 #define FILE_NAME_INFORMATION 9 1459 #define FILE_RENAME_INFORMATION 10 1460 #define FILE_LINK_INFORMATION 11 1461 #define FILE_NAMES_INFORMATION 12 /* also for QUERY_DIR */ 1462 #define FILE_DISPOSITION_INFORMATION 13 1463 #define FILE_POSITION_INFORMATION 14 1464 #define FILE_FULL_EA_INFORMATION 15 1465 #define FILE_MODE_INFORMATION 16 1466 #define FILE_ALIGNMENT_INFORMATION 17 1467 #define FILE_ALL_INFORMATION 18 1468 #define FILE_ALLOCATION_INFORMATION 19 1469 #define FILE_END_OF_FILE_INFORMATION 20 1470 #define FILE_ALTERNATE_NAME_INFORMATION 21 1471 #define FILE_STREAM_INFORMATION 22 1472 #define FILE_PIPE_INFORMATION 23 1473 #define FILE_PIPE_LOCAL_INFORMATION 24 1474 #define FILE_PIPE_REMOTE_INFORMATION 25 1475 #define FILE_MAILSLOT_QUERY_INFORMATION 26 1476 #define FILE_MAILSLOT_SET_INFORMATION 27 1477 #define FILE_COMPRESSION_INFORMATION 28 1478 #define FILE_OBJECT_ID_INFORMATION 29 1479 /* Number 30 not defined in documents */ 1480 #define FILE_MOVE_CLUSTER_INFORMATION 31 1481 #define FILE_QUOTA_INFORMATION 32 1482 #define FILE_REPARSE_POINT_INFORMATION 33 1483 #define FILE_NETWORK_OPEN_INFORMATION 34 1484 #define FILE_ATTRIBUTE_TAG_INFORMATION 35 1485 #define FILE_TRACKING_INFORMATION 36 1486 #define FILEID_BOTH_DIRECTORY_INFORMATION 37 /* also for QUERY_DIR */ 1487 #define FILEID_FULL_DIRECTORY_INFORMATION 38 /* also for QUERY_DIR */ 1488 #define FILE_VALID_DATA_LENGTH_INFORMATION 39 1489 #define FILE_SHORT_NAME_INFORMATION 40 1490 #define FILE_SFIO_RESERVE_INFORMATION 44 1491 #define FILE_SFIO_VOLUME_INFORMATION 45 1492 #define FILE_HARD_LINK_INFORMATION 46 1493 #define FILE_NORMALIZED_NAME_INFORMATION 48 1494 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50 1495 #define FILE_STANDARD_LINK_INFORMATION 54 1496 #define FILE_ID_INFORMATION 59 1497 #define FILE_ID_EXTD_DIRECTORY_INFORMATION 60 /* also for QUERY_DIR */ 1498 /* Used for Query Info and Find File POSIX Info for SMB3.1.1 and SMB1 */ 1499 #define SMB_FIND_FILE_POSIX_INFO 0x064 1500 1501 /* Security info type additionalinfo flags. */ 1502 #define OWNER_SECINFO 0x00000001 1503 #define GROUP_SECINFO 0x00000002 1504 #define DACL_SECINFO 0x00000004 1505 #define SACL_SECINFO 0x00000008 1506 #define LABEL_SECINFO 0x00000010 1507 #define ATTRIBUTE_SECINFO 0x00000020 1508 #define SCOPE_SECINFO 0x00000040 1509 #define BACKUP_SECINFO 0x00010000 1510 #define UNPROTECTED_SACL_SECINFO 0x10000000 1511 #define UNPROTECTED_DACL_SECINFO 0x20000000 1512 #define PROTECTED_SACL_SECINFO 0x40000000 1513 #define PROTECTED_DACL_SECINFO 0x80000000 1514 1515 /* Flags used for FileFullEAinfo */ 1516 #define SL_RESTART_SCAN 0x00000001 1517 #define SL_RETURN_SINGLE_ENTRY 0x00000002 1518 #define SL_INDEX_SPECIFIED 0x00000004 1519 1520 struct smb2_query_info_req { 1521 struct smb2_hdr hdr; 1522 __le16 StructureSize; /* Must be 41 */ 1523 __u8 InfoType; 1524 __u8 FileInfoClass; 1525 __le32 OutputBufferLength; 1526 __le16 InputBufferOffset; 1527 __u16 Reserved; 1528 __le32 InputBufferLength; 1529 __le32 AdditionalInformation; 1530 __le32 Flags; 1531 __u64 PersistentFileId; 1532 __u64 VolatileFileId; 1533 __u8 Buffer[]; 1534 } __packed; 1535 1536 struct smb2_query_info_rsp { 1537 struct smb2_hdr hdr; 1538 __le16 StructureSize; /* Must be 9 */ 1539 __le16 OutputBufferOffset; 1540 __le32 OutputBufferLength; 1541 __u8 Buffer[]; 1542 } __packed; 1543 1544 /* 1545 * PDU query infolevel structure definitions 1546 */ 1547 1548 /* See MS-FSCC 2.3.52 */ 1549 struct file_allocated_range_buffer { 1550 __le64 file_offset; 1551 __le64 length; 1552 } __packed; 1553 1554 struct smb2_file_internal_info { 1555 __le64 IndexNumber; 1556 } __packed; /* level 6 Query */ 1557 1558 struct smb2_file_rename_info { /* encoding of request for level 10 */ 1559 __u8 ReplaceIfExists; /* 1 = replace existing target with new */ 1560 /* 0 = fail if target already exists */ 1561 __u8 Reserved[7]; 1562 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1563 __le32 FileNameLength; 1564 char FileName[]; /* New name to be assigned */ 1565 /* padding - overall struct size must be >= 24 so filename + pad >= 6 */ 1566 } __packed; /* level 10 Set */ 1567 1568 struct smb2_file_link_info { /* encoding of request for level 11 */ 1569 __u8 ReplaceIfExists; /* 1 = replace existing link with new */ 1570 /* 0 = fail if link already exists */ 1571 __u8 Reserved[7]; 1572 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1573 __le32 FileNameLength; 1574 char FileName[]; /* Name to be assigned to new link */ 1575 } __packed; /* level 11 Set */ 1576 1577 /* 1578 * This level 18, although with struct with same name is different from cifs 1579 * level 0x107. Level 0x107 has an extra u64 between AccessFlags and 1580 * CurrentByteOffset. 1581 */ 1582 struct smb2_file_all_info { /* data block encoding of response to level 18 */ 1583 __le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */ 1584 __le64 LastAccessTime; 1585 __le64 LastWriteTime; 1586 __le64 ChangeTime; 1587 __le32 Attributes; 1588 __u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */ 1589 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 1590 __le64 EndOfFile; /* size ie offset to first free byte in file */ 1591 __le32 NumberOfLinks; /* hard links */ 1592 __u8 DeletePending; 1593 __u8 Directory; 1594 __u16 Pad2; /* End of FILE_STANDARD_INFO equivalent */ 1595 __le64 IndexNumber; 1596 __le32 EASize; 1597 __le32 AccessFlags; 1598 __le64 CurrentByteOffset; 1599 __le32 Mode; 1600 __le32 AlignmentRequirement; 1601 __le32 FileNameLength; 1602 union { 1603 char __pad; /* Legacy structure padding */ 1604 DECLARE_FLEX_ARRAY(char, FileName); 1605 }; 1606 } __packed; /* level 18 Query */ 1607 1608 struct smb2_file_eof_info { /* encoding of request for level 10 */ 1609 __le64 EndOfFile; /* new end of file value */ 1610 } __packed; /* level 20 Set */ 1611 1612 /* Level 100 query info */ 1613 struct smb311_posix_qinfo { 1614 __le64 CreationTime; 1615 __le64 LastAccessTime; 1616 __le64 LastWriteTime; 1617 __le64 ChangeTime; 1618 __le64 EndOfFile; 1619 __le64 AllocationSize; 1620 __le32 DosAttributes; 1621 __le64 Inode; 1622 __le32 DeviceId; 1623 __le32 Zero; 1624 /* beginning of POSIX Create Context Response */ 1625 __le32 HardLinks; 1626 __le32 ReparseTag; 1627 __le32 Mode; 1628 u8 Sids[]; 1629 /* 1630 * var sized owner SID 1631 * var sized group SID 1632 * le32 filenamelength 1633 * u8 filename[] 1634 */ 1635 } __packed; 1636 1637 /* File System Information Classes */ 1638 #define FS_VOLUME_INFORMATION 1 /* Query */ 1639 #define FS_LABEL_INFORMATION 2 /* Set */ 1640 #define FS_SIZE_INFORMATION 3 /* Query */ 1641 #define FS_DEVICE_INFORMATION 4 /* Query */ 1642 #define FS_ATTRIBUTE_INFORMATION 5 /* Query */ 1643 #define FS_CONTROL_INFORMATION 6 /* Query, Set */ 1644 #define FS_FULL_SIZE_INFORMATION 7 /* Query */ 1645 #define FS_OBJECT_ID_INFORMATION 8 /* Query, Set */ 1646 #define FS_DRIVER_PATH_INFORMATION 9 /* Query */ 1647 #define FS_SECTOR_SIZE_INFORMATION 11 /* SMB3 or later. Query */ 1648 #define FS_POSIX_INFORMATION 100 /* SMB3.1.1 POSIX. Query */ 1649 1650 struct smb2_fs_full_size_info { 1651 __le64 TotalAllocationUnits; 1652 __le64 CallerAvailableAllocationUnits; 1653 __le64 ActualAvailableAllocationUnits; 1654 __le32 SectorsPerAllocationUnit; 1655 __le32 BytesPerSector; 1656 } __packed; 1657 1658 #define SSINFO_FLAGS_ALIGNED_DEVICE 0x00000001 1659 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002 1660 #define SSINFO_FLAGS_NO_SEEK_PENALTY 0x00000004 1661 #define SSINFO_FLAGS_TRIM_ENABLED 0x00000008 1662 1663 /* sector size info struct */ 1664 struct smb3_fs_ss_info { 1665 __le32 LogicalBytesPerSector; 1666 __le32 PhysicalBytesPerSectorForAtomicity; 1667 __le32 PhysicalBytesPerSectorForPerf; 1668 __le32 FSEffPhysicalBytesPerSectorForAtomicity; 1669 __le32 Flags; 1670 __le32 ByteOffsetForSectorAlignment; 1671 __le32 ByteOffsetForPartitionAlignment; 1672 } __packed; 1673 1674 /* File System Control Information */ 1675 struct smb2_fs_control_info { 1676 __le64 FreeSpaceStartFiltering; 1677 __le64 FreeSpaceThreshold; 1678 __le64 FreeSpaceStopFiltering; 1679 __le64 DefaultQuotaThreshold; 1680 __le64 DefaultQuotaLimit; 1681 __le32 FileSystemControlFlags; 1682 __le32 Padding; 1683 } __packed; 1684 1685 /* volume info struct - see MS-FSCC 2.5.9 */ 1686 #define MAX_VOL_LABEL_LEN 32 1687 struct smb3_fs_vol_info { 1688 __le64 VolumeCreationTime; 1689 __u32 VolumeSerialNumber; 1690 __le32 VolumeLabelLength; /* includes trailing null */ 1691 __u8 SupportsObjects; /* True if eg like NTFS, supports objects */ 1692 __u8 Reserved; 1693 __u8 VolumeLabel[]; /* variable len */ 1694 } __packed; 1695 1696 /* See MS-SMB2 2.2.23 through 2.2.25 */ 1697 struct smb2_oplock_break { 1698 struct smb2_hdr hdr; 1699 __le16 StructureSize; /* Must be 24 */ 1700 __u8 OplockLevel; 1701 __u8 Reserved; 1702 __le32 Reserved2; 1703 __u64 PersistentFid; 1704 __u64 VolatileFid; 1705 } __packed; 1706 1707 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01) 1708 1709 struct smb2_lease_break { 1710 struct smb2_hdr hdr; 1711 __le16 StructureSize; /* Must be 44 */ 1712 __le16 Epoch; 1713 __le32 Flags; 1714 __u8 LeaseKey[16]; 1715 __le32 CurrentLeaseState; 1716 __le32 NewLeaseState; 1717 __le32 BreakReason; 1718 __le32 AccessMaskHint; 1719 __le32 ShareMaskHint; 1720 } __packed; 1721 1722 struct smb2_lease_ack { 1723 struct smb2_hdr hdr; 1724 __le16 StructureSize; /* Must be 36 */ 1725 __le16 Reserved; 1726 __le32 Flags; 1727 __u8 LeaseKey[16]; 1728 __le32 LeaseState; 1729 __le64 LeaseDuration; 1730 } __packed; 1731 1732 #define OP_BREAK_STRUCT_SIZE_20 24 1733 #define OP_BREAK_STRUCT_SIZE_21 36 1734 #endif /* _COMMON_SMB2PDU_H */ 1735