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 smb2_pdu { 157 struct smb2_hdr hdr; 158 __le16 StructureSize2; /* size of wct area (varies, request specific) */ 159 } __packed; 160 161 #define SMB2_ERROR_STRUCTURE_SIZE2 9 162 #define SMB2_ERROR_STRUCTURE_SIZE2_LE cpu_to_le16(SMB2_ERROR_STRUCTURE_SIZE2) 163 164 struct smb2_err_rsp { 165 struct smb2_hdr hdr; 166 __le16 StructureSize; 167 __u8 ErrorContextCount; 168 __u8 Reserved; 169 __le32 ByteCount; /* even if zero, at least one byte follows */ 170 __u8 ErrorData[]; /* variable length */ 171 } __packed; 172 173 #define SMB3_AES_CCM_NONCE 11 174 #define SMB3_AES_GCM_NONCE 12 175 176 /* Transform flags (for 3.0 dialect this flag indicates CCM */ 177 #define TRANSFORM_FLAG_ENCRYPTED 0x0001 178 struct smb2_transform_hdr { 179 __le32 ProtocolId; /* 0xFD 'S' 'M' 'B' */ 180 __u8 Signature[16]; 181 __u8 Nonce[16]; 182 __le32 OriginalMessageSize; 183 __u16 Reserved1; 184 __le16 Flags; /* EncryptionAlgorithm for 3.0, enc enabled for 3.1.1 */ 185 __le64 SessionId; 186 } __packed; 187 188 189 /* See MS-SMB2 2.2.42 */ 190 struct smb2_compression_transform_hdr_unchained { 191 __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */ 192 __le32 OriginalCompressedSegmentSize; 193 __le16 CompressionAlgorithm; 194 __le16 Flags; 195 __le16 Length; /* if chained it is length, else offset */ 196 } __packed; 197 198 /* See MS-SMB2 2.2.42.1 */ 199 #define SMB2_COMPRESSION_FLAG_NONE 0x0000 200 #define SMB2_COMPRESSION_FLAG_CHAINED 0x0001 201 202 struct compression_payload_header { 203 __le16 CompressionAlgorithm; 204 __le16 Flags; 205 __le32 Length; /* length of compressed playload including field below if present */ 206 /* __le32 OriginalPayloadSize; */ /* optional, present when LZNT1, LZ77, LZ77+Huffman */ 207 } __packed; 208 209 /* See MS-SMB2 2.2.42.2 */ 210 struct smb2_compression_transform_hdr_chained { 211 __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */ 212 __le32 OriginalCompressedSegmentSize; 213 /* struct compression_payload_header[] */ 214 } __packed; 215 216 /* See MS-SMB2 2.2.42.2.2 */ 217 struct compression_pattern_payload_v1 { 218 __le16 Pattern; 219 __le16 Reserved1; 220 __le16 Reserved2; 221 __le32 Repetitions; 222 } __packed; 223 224 /* See MS-SMB2 section 2.2.9.2 */ 225 /* Context Types */ 226 #define SMB2_RESERVED_TREE_CONNECT_CONTEXT_ID 0x0000 227 #define SMB2_REMOTED_IDENTITY_TREE_CONNECT_CONTEXT_ID cpu_to_le16(0x0001) 228 229 struct tree_connect_contexts { 230 __le16 ContextType; 231 __le16 DataLength; 232 __le32 Reserved; 233 __u8 Data[]; 234 } __packed; 235 236 /* Remoted identity tree connect context structures - see MS-SMB2 2.2.9.2.1 */ 237 struct smb3_blob_data { 238 __le16 BlobSize; 239 __u8 BlobData[]; 240 } __packed; 241 242 /* Valid values for Attr */ 243 #define SE_GROUP_MANDATORY 0x00000001 244 #define SE_GROUP_ENABLED_BY_DEFAULT 0x00000002 245 #define SE_GROUP_ENABLED 0x00000004 246 #define SE_GROUP_OWNER 0x00000008 247 #define SE_GROUP_USE_FOR_DENY_ONLY 0x00000010 248 #define SE_GROUP_INTEGRITY 0x00000020 249 #define SE_GROUP_INTEGRITY_ENABLED 0x00000040 250 #define SE_GROUP_RESOURCE 0x20000000 251 #define SE_GROUP_LOGON_ID 0xC0000000 252 253 /* struct sid_attr_data is SidData array in BlobData format then le32 Attr */ 254 255 struct sid_array_data { 256 __le16 SidAttrCount; 257 /* SidAttrList - array of sid_attr_data structs */ 258 } __packed; 259 260 struct luid_attr_data { 261 262 } __packed; 263 264 /* 265 * struct privilege_data is the same as BLOB_DATA - see MS-SMB2 2.2.9.2.1.5 266 * but with size of LUID_ATTR_DATA struct and BlobData set to LUID_ATTR DATA 267 */ 268 269 struct privilege_array_data { 270 __le16 PrivilegeCount; 271 /* array of privilege_data structs */ 272 } __packed; 273 274 struct remoted_identity_tcon_context { 275 __le16 TicketType; /* must be 0x0001 */ 276 __le16 TicketSize; /* total size of this struct */ 277 __le16 User; /* offset to SID_ATTR_DATA struct with user info */ 278 __le16 UserName; /* offset to null terminated Unicode username string */ 279 __le16 Domain; /* offset to null terminated Unicode domain name */ 280 __le16 Groups; /* offset to SID_ARRAY_DATA struct with group info */ 281 __le16 RestrictedGroups; /* similar to above */ 282 __le16 Privileges; /* offset to PRIVILEGE_ARRAY_DATA struct */ 283 __le16 PrimaryGroup; /* offset to SID_ARRAY_DATA struct */ 284 __le16 Owner; /* offset to BLOB_DATA struct */ 285 __le16 DefaultDacl; /* offset to BLOB_DATA struct */ 286 __le16 DeviceGroups; /* offset to SID_ARRAY_DATA struct */ 287 __le16 UserClaims; /* offset to BLOB_DATA struct */ 288 __le16 DeviceClaims; /* offset to BLOB_DATA struct */ 289 __u8 TicketInfo[]; /* variable length buf - remoted identity data */ 290 } __packed; 291 292 struct smb2_tree_connect_req_extension { 293 __le32 TreeConnectContextOffset; 294 __le16 TreeConnectContextCount; 295 __u8 Reserved[10]; 296 __u8 PathName[]; /* variable sized array */ 297 /* followed by array of TreeConnectContexts */ 298 } __packed; 299 300 /* Flags/Reserved for SMB3.1.1 */ 301 #define SMB2_TREE_CONNECT_FLAG_CLUSTER_RECONNECT cpu_to_le16(0x0001) 302 #define SMB2_TREE_CONNECT_FLAG_REDIRECT_TO_OWNER cpu_to_le16(0x0002) 303 #define SMB2_TREE_CONNECT_FLAG_EXTENSION_PRESENT cpu_to_le16(0x0004) 304 305 struct smb2_tree_connect_req { 306 struct smb2_hdr hdr; 307 __le16 StructureSize; /* Must be 9 */ 308 __le16 Flags; /* Flags in SMB3.1.1 */ 309 __le16 PathOffset; 310 __le16 PathLength; 311 __u8 Buffer[]; /* variable length */ 312 } __packed; 313 314 /* Possible ShareType values */ 315 #define SMB2_SHARE_TYPE_DISK 0x01 316 #define SMB2_SHARE_TYPE_PIPE 0x02 317 #define SMB2_SHARE_TYPE_PRINT 0x03 318 319 /* 320 * Possible ShareFlags - exactly one and only one of the first 4 caching flags 321 * must be set (any of the remaining, SHI1005, flags may be set individually 322 * or in combination. 323 */ 324 #define SMB2_SHAREFLAG_MANUAL_CACHING 0x00000000 325 #define SMB2_SHAREFLAG_AUTO_CACHING 0x00000010 326 #define SMB2_SHAREFLAG_VDO_CACHING 0x00000020 327 #define SMB2_SHAREFLAG_NO_CACHING 0x00000030 328 #define SHI1005_FLAGS_DFS 0x00000001 329 #define SHI1005_FLAGS_DFS_ROOT 0x00000002 330 #define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS 0x00000100 331 #define SHI1005_FLAGS_FORCE_SHARED_DELETE 0x00000200 332 #define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING 0x00000400 333 #define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM 0x00000800 334 #define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK 0x00001000 335 #define SHI1005_FLAGS_ENABLE_HASH_V1 0x00002000 336 #define SHI1005_FLAGS_ENABLE_HASH_V2 0x00004000 337 #define SHI1005_FLAGS_ENCRYPT_DATA 0x00008000 338 #define SMB2_SHAREFLAG_IDENTITY_REMOTING 0x00040000 /* 3.1.1 */ 339 #define SMB2_SHAREFLAG_COMPRESS_DATA 0x00100000 /* 3.1.1 */ 340 #define SHI1005_FLAGS_ALL 0x0014FF33 341 342 /* Possible share capabilities */ 343 #define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) /* all dialects */ 344 #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */ 345 #define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */ 346 #define SMB2_SHARE_CAP_CLUSTER cpu_to_le32(0x00000040) /* 3.0 */ 347 #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */ 348 #define SMB2_SHARE_CAP_REDIRECT_TO_OWNER cpu_to_le32(0x00000100) /* 3.1.1 */ 349 350 struct smb2_tree_connect_rsp { 351 struct smb2_hdr hdr; 352 __le16 StructureSize; /* Must be 16 */ 353 __u8 ShareType; /* see below */ 354 __u8 Reserved; 355 __le32 ShareFlags; /* see below */ 356 __le32 Capabilities; /* see below */ 357 __le32 MaximalAccess; 358 } __packed; 359 360 struct smb2_tree_disconnect_req { 361 struct smb2_hdr hdr; 362 __le16 StructureSize; /* Must be 4 */ 363 __le16 Reserved; 364 } __packed; 365 366 struct smb2_tree_disconnect_rsp { 367 struct smb2_hdr hdr; 368 __le16 StructureSize; /* Must be 4 */ 369 __le16 Reserved; 370 } __packed; 371 372 373 /* 374 * SMB2_NEGOTIATE_PROTOCOL See MS-SMB2 section 2.2.3 375 */ 376 /* SecurityMode flags */ 377 #define SMB2_NEGOTIATE_SIGNING_ENABLED 0x0001 378 #define SMB2_NEGOTIATE_SIGNING_ENABLED_LE cpu_to_le16(0x0001) 379 #define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002 380 #define SMB2_NEGOTIATE_SIGNING_REQUIRED_LE cpu_to_le16(0x0002) 381 #define SMB2_SEC_MODE_FLAGS_ALL 0x0003 382 383 /* Capabilities flags */ 384 #define SMB2_GLOBAL_CAP_DFS 0x00000001 385 #define SMB2_GLOBAL_CAP_LEASING 0x00000002 /* Resp only New to SMB2.1 */ 386 #define SMB2_GLOBAL_CAP_LARGE_MTU 0X00000004 /* Resp only New to SMB2.1 */ 387 #define SMB2_GLOBAL_CAP_MULTI_CHANNEL 0x00000008 /* New to SMB3 */ 388 #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */ 389 #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING 0x00000020 /* New to SMB3 */ 390 #define SMB2_GLOBAL_CAP_ENCRYPTION 0x00000040 /* New to SMB3 */ 391 /* Internal types */ 392 #define SMB2_NT_FIND 0x00100000 393 #define SMB2_LARGE_FILES 0x00200000 394 395 #define SMB2_CLIENT_GUID_SIZE 16 396 #define SMB2_CREATE_GUID_SIZE 16 397 398 /* Dialects */ 399 #define SMB10_PROT_ID 0x0000 /* local only, not sent on wire w/CIFS negprot */ 400 #define SMB20_PROT_ID 0x0202 401 #define SMB21_PROT_ID 0x0210 402 #define SMB2X_PROT_ID 0x02FF 403 #define SMB30_PROT_ID 0x0300 404 #define SMB302_PROT_ID 0x0302 405 #define SMB311_PROT_ID 0x0311 406 #define BAD_PROT_ID 0xFFFF 407 408 #define SMB311_SALT_SIZE 32 409 /* Hash Algorithm Types */ 410 #define SMB2_PREAUTH_INTEGRITY_SHA512 cpu_to_le16(0x0001) 411 #define SMB2_PREAUTH_HASH_SIZE 64 412 413 /* Negotiate Contexts - ContextTypes. See MS-SMB2 section 2.2.3.1 for details */ 414 #define SMB2_PREAUTH_INTEGRITY_CAPABILITIES cpu_to_le16(1) 415 #define SMB2_ENCRYPTION_CAPABILITIES cpu_to_le16(2) 416 #define SMB2_COMPRESSION_CAPABILITIES cpu_to_le16(3) 417 #define SMB2_NETNAME_NEGOTIATE_CONTEXT_ID cpu_to_le16(5) 418 #define SMB2_TRANSPORT_CAPABILITIES cpu_to_le16(6) 419 #define SMB2_RDMA_TRANSFORM_CAPABILITIES cpu_to_le16(7) 420 #define SMB2_SIGNING_CAPABILITIES cpu_to_le16(8) 421 #define SMB2_POSIX_EXTENSIONS_AVAILABLE cpu_to_le16(0x100) 422 423 struct smb2_neg_context { 424 __le16 ContextType; 425 __le16 DataLength; 426 __le32 Reserved; 427 /* Followed by array of data. NOTE: some servers require padding to 8 byte boundary */ 428 } __packed; 429 430 /* 431 * SaltLength that the server send can be zero, so the only three required 432 * fields (all __le16) end up six bytes total, so the minimum context data len 433 * in the response is six bytes which accounts for 434 * 435 * HashAlgorithmCount, SaltLength, and 1 HashAlgorithm. 436 */ 437 #define MIN_PREAUTH_CTXT_DATA_LEN 6 438 439 struct smb2_preauth_neg_context { 440 __le16 ContextType; /* 1 */ 441 __le16 DataLength; 442 __le32 Reserved; 443 __le16 HashAlgorithmCount; /* 1 */ 444 __le16 SaltLength; 445 __le16 HashAlgorithms; /* HashAlgorithms[0] since only one defined */ 446 __u8 Salt[SMB311_SALT_SIZE]; 447 } __packed; 448 449 /* Encryption Algorithms Ciphers */ 450 #define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001) 451 #define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002) 452 #define SMB2_ENCRYPTION_AES256_CCM cpu_to_le16(0x0003) 453 #define SMB2_ENCRYPTION_AES256_GCM cpu_to_le16(0x0004) 454 455 /* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */ 456 #define MIN_ENCRYPT_CTXT_DATA_LEN 4 457 struct smb2_encryption_neg_context { 458 __le16 ContextType; /* 2 */ 459 __le16 DataLength; 460 __le32 Reserved; 461 /* CipherCount usally 2, but can be 3 when AES256-GCM enabled */ 462 __le16 CipherCount; /* AES128-GCM and AES128-CCM by default */ 463 __le16 Ciphers[]; 464 } __packed; 465 466 /* See MS-SMB2 2.2.3.1.3 */ 467 #define SMB3_COMPRESS_NONE cpu_to_le16(0x0000) 468 #define SMB3_COMPRESS_LZNT1 cpu_to_le16(0x0001) 469 #define SMB3_COMPRESS_LZ77 cpu_to_le16(0x0002) 470 #define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003) 471 /* Pattern scanning algorithm See MS-SMB2 3.1.4.4.1 */ 472 #define SMB3_COMPRESS_PATTERN cpu_to_le16(0x0004) /* Pattern_V1 */ 473 474 /* Compression Flags */ 475 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_NONE cpu_to_le32(0x00000000) 476 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_CHAINED cpu_to_le32(0x00000001) 477 478 struct smb2_compression_capabilities_context { 479 __le16 ContextType; /* 3 */ 480 __le16 DataLength; 481 __le32 Reserved; 482 __le16 CompressionAlgorithmCount; 483 __le16 Padding; 484 __le32 Flags; 485 __le16 CompressionAlgorithms[3]; 486 __u16 Pad; /* Some servers require pad to DataLen multiple of 8 */ 487 /* Check if pad needed */ 488 } __packed; 489 490 /* 491 * For smb2_netname_negotiate_context_id See MS-SMB2 2.2.3.1.4. 492 * Its struct simply contains NetName, an array of Unicode characters 493 */ 494 struct smb2_netname_neg_context { 495 __le16 ContextType; /* 5 */ 496 __le16 DataLength; 497 __le32 Reserved; 498 __le16 NetName[]; /* hostname of target converted to UCS-2 */ 499 } __packed; 500 501 /* 502 * For smb2_transport_capabilities context see MS-SMB2 2.2.3.1.5 503 * and 2.2.4.1.5 504 */ 505 506 /* Flags */ 507 #define SMB2_ACCEPT_TRANSPORT_LEVEL_SECURITY 0x00000001 508 509 struct smb2_transport_capabilities_context { 510 __le16 ContextType; /* 6 */ 511 __le16 DataLength; 512 __u32 Reserved; 513 __le32 Flags; 514 __u32 Pad; 515 } __packed; 516 517 /* 518 * For rdma transform capabilities context see MS-SMB2 2.2.3.1.6 519 * and 2.2.4.1.6 520 */ 521 522 /* RDMA Transform IDs */ 523 #define SMB2_RDMA_TRANSFORM_NONE 0x0000 524 #define SMB2_RDMA_TRANSFORM_ENCRYPTION 0x0001 525 #define SMB2_RDMA_TRANSFORM_SIGNING 0x0002 526 527 struct smb2_rdma_transform_capabilities_context { 528 __le16 ContextType; /* 7 */ 529 __le16 DataLength; 530 __u32 Reserved; 531 __le16 TransformCount; 532 __u16 Reserved1; 533 __u32 Reserved2; 534 __le16 RDMATransformIds[]; 535 } __packed; 536 537 /* 538 * For signing capabilities context see MS-SMB2 2.2.3.1.7 539 * and 2.2.4.1.7 540 */ 541 542 /* Signing algorithms */ 543 #define SIGNING_ALG_HMAC_SHA256 0 544 #define SIGNING_ALG_HMAC_SHA256_LE cpu_to_le16(0) 545 #define SIGNING_ALG_AES_CMAC 1 546 #define SIGNING_ALG_AES_CMAC_LE cpu_to_le16(1) 547 #define SIGNING_ALG_AES_GMAC 2 548 #define SIGNING_ALG_AES_GMAC_LE cpu_to_le16(2) 549 550 struct smb2_signing_capabilities { 551 __le16 ContextType; /* 8 */ 552 __le16 DataLength; 553 __le32 Reserved; 554 __le16 SigningAlgorithmCount; 555 __le16 SigningAlgorithms[]; 556 /* Followed by padding to 8 byte boundary (required by some servers) */ 557 } __packed; 558 559 #define POSIX_CTXT_DATA_LEN 16 560 struct smb2_posix_neg_context { 561 __le16 ContextType; /* 0x100 */ 562 __le16 DataLength; 563 __le32 Reserved; 564 __u8 Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */ 565 } __packed; 566 567 struct smb2_negotiate_req { 568 struct smb2_hdr hdr; 569 __le16 StructureSize; /* Must be 36 */ 570 __le16 DialectCount; 571 __le16 SecurityMode; 572 __le16 Reserved; /* MBZ */ 573 __le32 Capabilities; 574 __u8 ClientGUID[SMB2_CLIENT_GUID_SIZE]; 575 /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */ 576 __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */ 577 __le16 NegotiateContextCount; /* SMB3.1.1 only. MBZ earlier */ 578 __le16 Reserved2; 579 __le16 Dialects[]; 580 } __packed; 581 582 struct smb2_negotiate_rsp { 583 struct smb2_hdr hdr; 584 __le16 StructureSize; /* Must be 65 */ 585 __le16 SecurityMode; 586 __le16 DialectRevision; 587 __le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */ 588 __u8 ServerGUID[16]; 589 __le32 Capabilities; 590 __le32 MaxTransactSize; 591 __le32 MaxReadSize; 592 __le32 MaxWriteSize; 593 __le64 SystemTime; /* MBZ */ 594 __le64 ServerStartTime; 595 __le16 SecurityBufferOffset; 596 __le16 SecurityBufferLength; 597 __le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */ 598 __u8 Buffer[]; /* variable length GSS security buffer */ 599 } __packed; 600 601 602 /* 603 * SMB2_SESSION_SETUP See MS-SMB2 section 2.2.5 604 */ 605 /* Flags */ 606 #define SMB2_SESSION_REQ_FLAG_BINDING 0x01 607 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04 608 609 struct smb2_sess_setup_req { 610 struct smb2_hdr hdr; 611 __le16 StructureSize; /* Must be 25 */ 612 __u8 Flags; 613 __u8 SecurityMode; 614 __le32 Capabilities; 615 __le32 Channel; 616 __le16 SecurityBufferOffset; 617 __le16 SecurityBufferLength; 618 __le64 PreviousSessionId; 619 __u8 Buffer[]; /* variable length GSS security buffer */ 620 } __packed; 621 622 /* Currently defined SessionFlags */ 623 #define SMB2_SESSION_FLAG_IS_GUEST 0x0001 624 #define SMB2_SESSION_FLAG_IS_GUEST_LE cpu_to_le16(0x0001) 625 #define SMB2_SESSION_FLAG_IS_NULL 0x0002 626 #define SMB2_SESSION_FLAG_IS_NULL_LE cpu_to_le16(0x0002) 627 #define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004 628 #define SMB2_SESSION_FLAG_ENCRYPT_DATA_LE cpu_to_le16(0x0004) 629 630 struct smb2_sess_setup_rsp { 631 struct smb2_hdr hdr; 632 __le16 StructureSize; /* Must be 9 */ 633 __le16 SessionFlags; 634 __le16 SecurityBufferOffset; 635 __le16 SecurityBufferLength; 636 __u8 Buffer[]; /* variable length GSS security buffer */ 637 } __packed; 638 639 640 /* 641 * SMB2_LOGOFF See MS-SMB2 section 2.2.7 642 */ 643 struct smb2_logoff_req { 644 struct smb2_hdr hdr; 645 __le16 StructureSize; /* Must be 4 */ 646 __le16 Reserved; 647 } __packed; 648 649 struct smb2_logoff_rsp { 650 struct smb2_hdr hdr; 651 __le16 StructureSize; /* Must be 4 */ 652 __le16 Reserved; 653 } __packed; 654 655 656 /* 657 * SMB2_CLOSE See MS-SMB2 section 2.2.15 658 */ 659 /* Currently defined values for close flags */ 660 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001) 661 struct smb2_close_req { 662 struct smb2_hdr hdr; 663 __le16 StructureSize; /* Must be 24 */ 664 __le16 Flags; 665 __le32 Reserved; 666 __u64 PersistentFileId; /* opaque endianness */ 667 __u64 VolatileFileId; /* opaque endianness */ 668 } __packed; 669 670 /* 671 * Maximum size of a SMB2_CLOSE response is 64 (smb2 header) + 60 (data) 672 */ 673 #define MAX_SMB2_CLOSE_RESPONSE_SIZE 124 674 675 struct smb2_close_rsp { 676 struct smb2_hdr hdr; 677 __le16 StructureSize; /* 60 */ 678 __le16 Flags; 679 __le32 Reserved; 680 __le64 CreationTime; 681 __le64 LastAccessTime; 682 __le64 LastWriteTime; 683 __le64 ChangeTime; 684 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 685 __le64 EndOfFile; 686 __le32 Attributes; 687 } __packed; 688 689 690 /* 691 * SMB2_READ See MS-SMB2 section 2.2.19 692 */ 693 /* For read request Flags field below, following flag is defined for SMB3.02 */ 694 #define SMB2_READFLAG_READ_UNBUFFERED 0x01 695 #define SMB2_READFLAG_REQUEST_COMPRESSED 0x02 /* See MS-SMB2 2.2.19 */ 696 697 /* Channel field for read and write: exactly one of following flags can be set*/ 698 #define SMB2_CHANNEL_NONE cpu_to_le32(0x00000000) 699 #define SMB2_CHANNEL_RDMA_V1 cpu_to_le32(0x00000001) 700 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) 701 #define SMB2_CHANNEL_RDMA_TRANSFORM cpu_to_le32(0x00000003) 702 703 /* SMB2 read request without RFC1001 length at the beginning */ 704 struct smb2_read_req { 705 struct smb2_hdr hdr; 706 __le16 StructureSize; /* Must be 49 */ 707 __u8 Padding; /* offset from start of SMB2 header to place read */ 708 __u8 Flags; /* MBZ unless SMB3.02 or later */ 709 __le32 Length; 710 __le64 Offset; 711 __u64 PersistentFileId; 712 __u64 VolatileFileId; 713 __le32 MinimumCount; 714 __le32 Channel; /* MBZ except for SMB3 or later */ 715 __le32 RemainingBytes; 716 __le16 ReadChannelInfoOffset; 717 __le16 ReadChannelInfoLength; 718 __u8 Buffer[]; 719 } __packed; 720 721 /* Read flags */ 722 #define SMB2_READFLAG_RESPONSE_NONE cpu_to_le32(0x00000000) 723 #define SMB2_READFLAG_RESPONSE_RDMA_TRANSFORM cpu_to_le32(0x00000001) 724 725 struct smb2_read_rsp { 726 struct smb2_hdr hdr; 727 __le16 StructureSize; /* Must be 17 */ 728 __u8 DataOffset; 729 __u8 Reserved; 730 __le32 DataLength; 731 __le32 DataRemaining; 732 __le32 Flags; 733 __u8 Buffer[]; 734 } __packed; 735 736 737 /* 738 * SMB2_WRITE See MS-SMB2 section 2.2.21 739 */ 740 /* For write request Flags field below the following flags are defined: */ 741 #define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 /* SMB2.1 or later */ 742 #define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002 /* SMB3.02 or later */ 743 744 struct smb2_write_req { 745 struct smb2_hdr hdr; 746 __le16 StructureSize; /* Must be 49 */ 747 __le16 DataOffset; /* offset from start of SMB2 header to write data */ 748 __le32 Length; 749 __le64 Offset; 750 __u64 PersistentFileId; /* opaque endianness */ 751 __u64 VolatileFileId; /* opaque endianness */ 752 __le32 Channel; /* MBZ unless SMB3.02 or later */ 753 __le32 RemainingBytes; 754 __le16 WriteChannelInfoOffset; 755 __le16 WriteChannelInfoLength; 756 __le32 Flags; 757 __u8 Buffer[]; 758 } __packed; 759 760 struct smb2_write_rsp { 761 struct smb2_hdr hdr; 762 __le16 StructureSize; /* Must be 17 */ 763 __u8 DataOffset; 764 __u8 Reserved; 765 __le32 DataLength; 766 __le32 DataRemaining; 767 __u32 Reserved2; 768 __u8 Buffer[]; 769 } __packed; 770 771 772 /* 773 * SMB2_FLUSH See MS-SMB2 section 2.2.17 774 */ 775 struct smb2_flush_req { 776 struct smb2_hdr hdr; 777 __le16 StructureSize; /* Must be 24 */ 778 __le16 Reserved1; 779 __le32 Reserved2; 780 __u64 PersistentFileId; 781 __u64 VolatileFileId; 782 } __packed; 783 784 struct smb2_flush_rsp { 785 struct smb2_hdr hdr; 786 __le16 StructureSize; 787 __le16 Reserved; 788 } __packed; 789 790 #define SMB2_LOCKFLAG_SHARED 0x0001 791 #define SMB2_LOCKFLAG_EXCLUSIVE 0x0002 792 #define SMB2_LOCKFLAG_UNLOCK 0x0004 793 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY 0x0010 794 #define SMB2_LOCKFLAG_MASK 0x0007 795 796 struct smb2_lock_element { 797 __le64 Offset; 798 __le64 Length; 799 __le32 Flags; 800 __le32 Reserved; 801 } __packed; 802 803 struct smb2_lock_req { 804 struct smb2_hdr hdr; 805 __le16 StructureSize; /* Must be 48 */ 806 __le16 LockCount; 807 /* 808 * The least significant four bits are the index, the other 28 bits are 809 * the lock sequence number (0 to 64). See MS-SMB2 2.2.26 810 */ 811 __le32 LockSequenceNumber; 812 __u64 PersistentFileId; 813 __u64 VolatileFileId; 814 /* Followed by at least one */ 815 union { 816 struct smb2_lock_element lock; 817 DECLARE_FLEX_ARRAY(struct smb2_lock_element, locks); 818 }; 819 } __packed; 820 821 struct smb2_lock_rsp { 822 struct smb2_hdr hdr; 823 __le16 StructureSize; /* Must be 4 */ 824 __le16 Reserved; 825 } __packed; 826 827 struct smb2_echo_req { 828 struct smb2_hdr hdr; 829 __le16 StructureSize; /* Must be 4 */ 830 __u16 Reserved; 831 } __packed; 832 833 struct smb2_echo_rsp { 834 struct smb2_hdr hdr; 835 __le16 StructureSize; /* Must be 4 */ 836 __u16 Reserved; 837 } __packed; 838 839 /* 840 * Valid FileInformation classes for query directory 841 * 842 * Note that these are a subset of the (file) QUERY_INFO levels defined 843 * later in this file (but since QUERY_DIRECTORY uses equivalent numbers 844 * we do not redefine them here) 845 * 846 * FileDirectoryInfomation 0x01 847 * FileFullDirectoryInformation 0x02 848 * FileIdFullDirectoryInformation 0x26 849 * FileBothDirectoryInformation 0x03 850 * FileIdBothDirectoryInformation 0x25 851 * FileNamesInformation 0x0C 852 * FileIdExtdDirectoryInformation 0x3C 853 */ 854 855 /* search (query_directory) Flags field */ 856 #define SMB2_RESTART_SCANS 0x01 857 #define SMB2_RETURN_SINGLE_ENTRY 0x02 858 #define SMB2_INDEX_SPECIFIED 0x04 859 #define SMB2_REOPEN 0x10 860 861 struct smb2_query_directory_req { 862 struct smb2_hdr hdr; 863 __le16 StructureSize; /* Must be 33 */ 864 __u8 FileInformationClass; 865 __u8 Flags; 866 __le32 FileIndex; 867 __u64 PersistentFileId; 868 __u64 VolatileFileId; 869 __le16 FileNameOffset; 870 __le16 FileNameLength; 871 __le32 OutputBufferLength; 872 __u8 Buffer[]; 873 } __packed; 874 875 struct smb2_query_directory_rsp { 876 struct smb2_hdr hdr; 877 __le16 StructureSize; /* Must be 9 */ 878 __le16 OutputBufferOffset; 879 __le32 OutputBufferLength; 880 __u8 Buffer[]; 881 } __packed; 882 883 /* 884 * Maximum number of iovs we need for a set-info request. 885 * The largest one is rename/hardlink 886 * [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info 887 * [1] : path 888 * [2] : compound padding 889 */ 890 #define SMB2_SET_INFO_IOV_SIZE 3 891 892 struct smb2_set_info_req { 893 struct smb2_hdr hdr; 894 __le16 StructureSize; /* Must be 33 */ 895 __u8 InfoType; 896 __u8 FileInfoClass; 897 __le32 BufferLength; 898 __le16 BufferOffset; 899 __u16 Reserved; 900 __le32 AdditionalInformation; 901 __u64 PersistentFileId; 902 __u64 VolatileFileId; 903 __u8 Buffer[]; 904 } __packed; 905 906 struct smb2_set_info_rsp { 907 struct smb2_hdr hdr; 908 __le16 StructureSize; /* Must be 2 */ 909 } __packed; 910 911 /* 912 * SMB2_NOTIFY See MS-SMB2 section 2.2.35 913 */ 914 /* notify flags */ 915 #define SMB2_WATCH_TREE 0x0001 916 917 /* notify completion filter flags. See MS-FSCC 2.6 and MS-SMB2 2.2.35 */ 918 #define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001 919 #define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002 920 #define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004 921 #define FILE_NOTIFY_CHANGE_SIZE 0x00000008 922 #define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010 923 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020 924 #define FILE_NOTIFY_CHANGE_CREATION 0x00000040 925 #define FILE_NOTIFY_CHANGE_EA 0x00000080 926 #define FILE_NOTIFY_CHANGE_SECURITY 0x00000100 927 #define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200 928 #define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400 929 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800 930 931 /* SMB2 Notify Action Flags */ 932 #define FILE_ACTION_ADDED 0x00000001 933 #define FILE_ACTION_REMOVED 0x00000002 934 #define FILE_ACTION_MODIFIED 0x00000003 935 #define FILE_ACTION_RENAMED_OLD_NAME 0x00000004 936 #define FILE_ACTION_RENAMED_NEW_NAME 0x00000005 937 #define FILE_ACTION_ADDED_STREAM 0x00000006 938 #define FILE_ACTION_REMOVED_STREAM 0x00000007 939 #define FILE_ACTION_MODIFIED_STREAM 0x00000008 940 #define FILE_ACTION_REMOVED_BY_DELETE 0x00000009 941 942 struct smb2_change_notify_req { 943 struct smb2_hdr hdr; 944 __le16 StructureSize; 945 __le16 Flags; 946 __le32 OutputBufferLength; 947 __u64 PersistentFileId; /* opaque endianness */ 948 __u64 VolatileFileId; /* opaque endianness */ 949 __le32 CompletionFilter; 950 __u32 Reserved; 951 } __packed; 952 953 struct smb2_change_notify_rsp { 954 struct smb2_hdr hdr; 955 __le16 StructureSize; /* Must be 9 */ 956 __le16 OutputBufferOffset; 957 __le32 OutputBufferLength; 958 __u8 Buffer[]; /* array of file notify structs */ 959 } __packed; 960 961 962 /* 963 * SMB2_CREATE See MS-SMB2 section 2.2.13 964 */ 965 /* Oplock levels */ 966 #define SMB2_OPLOCK_LEVEL_NONE 0x00 967 #define SMB2_OPLOCK_LEVEL_II 0x01 968 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08 969 #define SMB2_OPLOCK_LEVEL_BATCH 0x09 970 #define SMB2_OPLOCK_LEVEL_LEASE 0xFF 971 /* Non-spec internal type */ 972 #define SMB2_OPLOCK_LEVEL_NOCHANGE 0x99 973 974 /* Impersonation Levels. See MS-WPO section 9.7 and MSDN-IMPERS */ 975 #define IL_ANONYMOUS cpu_to_le32(0x00000000) 976 #define IL_IDENTIFICATION cpu_to_le32(0x00000001) 977 #define IL_IMPERSONATION cpu_to_le32(0x00000002) 978 #define IL_DELEGATE cpu_to_le32(0x00000003) 979 980 /* File Attrubutes */ 981 #define FILE_ATTRIBUTE_READONLY 0x00000001 982 #define FILE_ATTRIBUTE_HIDDEN 0x00000002 983 #define FILE_ATTRIBUTE_SYSTEM 0x00000004 984 #define FILE_ATTRIBUTE_DIRECTORY 0x00000010 985 #define FILE_ATTRIBUTE_ARCHIVE 0x00000020 986 #define FILE_ATTRIBUTE_NORMAL 0x00000080 987 #define FILE_ATTRIBUTE_TEMPORARY 0x00000100 988 #define FILE_ATTRIBUTE_SPARSE_FILE 0x00000200 989 #define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400 990 #define FILE_ATTRIBUTE_COMPRESSED 0x00000800 991 #define FILE_ATTRIBUTE_OFFLINE 0x00001000 992 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x00002000 993 #define FILE_ATTRIBUTE_ENCRYPTED 0x00004000 994 #define FILE_ATTRIBUTE_INTEGRITY_STREAM 0x00008000 995 #define FILE_ATTRIBUTE_NO_SCRUB_DATA 0x00020000 996 #define FILE_ATTRIBUTE__MASK 0x00007FB7 997 998 #define FILE_ATTRIBUTE_READONLY_LE cpu_to_le32(0x00000001) 999 #define FILE_ATTRIBUTE_HIDDEN_LE cpu_to_le32(0x00000002) 1000 #define FILE_ATTRIBUTE_SYSTEM_LE cpu_to_le32(0x00000004) 1001 #define FILE_ATTRIBUTE_DIRECTORY_LE cpu_to_le32(0x00000010) 1002 #define FILE_ATTRIBUTE_ARCHIVE_LE cpu_to_le32(0x00000020) 1003 #define FILE_ATTRIBUTE_NORMAL_LE cpu_to_le32(0x00000080) 1004 #define FILE_ATTRIBUTE_TEMPORARY_LE cpu_to_le32(0x00000100) 1005 #define FILE_ATTRIBUTE_SPARSE_FILE_LE cpu_to_le32(0x00000200) 1006 #define FILE_ATTRIBUTE_REPARSE_POINT_LE cpu_to_le32(0x00000400) 1007 #define FILE_ATTRIBUTE_COMPRESSED_LE cpu_to_le32(0x00000800) 1008 #define FILE_ATTRIBUTE_OFFLINE_LE cpu_to_le32(0x00001000) 1009 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED_LE cpu_to_le32(0x00002000) 1010 #define FILE_ATTRIBUTE_ENCRYPTED_LE cpu_to_le32(0x00004000) 1011 #define FILE_ATTRIBUTE_INTEGRITY_STREAM_LE cpu_to_le32(0x00008000) 1012 #define FILE_ATTRIBUTE_NO_SCRUB_DATA_LE cpu_to_le32(0x00020000) 1013 #define FILE_ATTRIBUTE_MASK_LE cpu_to_le32(0x00007FB7) 1014 1015 /* Desired Access Flags */ 1016 #define FILE_READ_DATA_LE cpu_to_le32(0x00000001) 1017 #define FILE_LIST_DIRECTORY_LE cpu_to_le32(0x00000001) 1018 #define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002) 1019 #define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004) 1020 #define FILE_ADD_SUBDIRECTORY_LE cpu_to_le32(0x00000004) 1021 #define FILE_READ_EA_LE cpu_to_le32(0x00000008) 1022 #define FILE_WRITE_EA_LE cpu_to_le32(0x00000010) 1023 #define FILE_EXECUTE_LE cpu_to_le32(0x00000020) 1024 #define FILE_DELETE_CHILD_LE cpu_to_le32(0x00000040) 1025 #define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080) 1026 #define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100) 1027 #define FILE_DELETE_LE cpu_to_le32(0x00010000) 1028 #define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000) 1029 #define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000) 1030 #define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000) 1031 #define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000) 1032 #define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000) 1033 #define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000) 1034 #define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000) 1035 #define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000) 1036 #define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000) 1037 #define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000) 1038 #define DESIRED_ACCESS_MASK cpu_to_le32(0xF21F01FF) 1039 1040 1041 #define FILE_READ_DESIRED_ACCESS_LE (FILE_READ_DATA_LE | \ 1042 FILE_READ_EA_LE | \ 1043 FILE_GENERIC_READ_LE) 1044 #define FILE_WRITE_DESIRE_ACCESS_LE (FILE_WRITE_DATA_LE | \ 1045 FILE_APPEND_DATA_LE | \ 1046 FILE_WRITE_EA_LE | \ 1047 FILE_WRITE_ATTRIBUTES_LE | \ 1048 FILE_GENERIC_WRITE_LE) 1049 1050 /* ShareAccess Flags */ 1051 #define FILE_SHARE_READ_LE cpu_to_le32(0x00000001) 1052 #define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002) 1053 #define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004) 1054 #define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007) 1055 1056 /* CreateDisposition Flags */ 1057 #define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000) 1058 #define FILE_OPEN_LE cpu_to_le32(0x00000001) 1059 #define FILE_CREATE_LE cpu_to_le32(0x00000002) 1060 #define FILE_OPEN_IF_LE cpu_to_le32(0x00000003) 1061 #define FILE_OVERWRITE_LE cpu_to_le32(0x00000004) 1062 #define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005) 1063 #define FILE_CREATE_MASK_LE cpu_to_le32(0x00000007) 1064 1065 #define FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA \ 1066 | FILE_READ_ATTRIBUTES) 1067 #define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ 1068 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES) 1069 #define FILE_EXEC_RIGHTS (FILE_EXECUTE) 1070 1071 /* CreateOptions Flags */ 1072 #define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001) 1073 /* same as #define CREATE_NOT_FILE_LE cpu_to_le32(0x00000001) */ 1074 #define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002) 1075 #define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004) 1076 #define FILE_NO_INTERMEDIATE_BUFFERING_LE cpu_to_le32(0x00000008) 1077 #define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040) 1078 #define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100) 1079 #define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200) 1080 #define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800) 1081 #define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000) 1082 #define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000) 1083 #define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000) 1084 #define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000) 1085 #define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000) 1086 #define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000) 1087 #define CREATE_OPTIONS_MASK_LE cpu_to_le32(0x00FFFFFF) 1088 1089 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \ 1090 | FILE_READ_ATTRIBUTES_LE) 1091 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \ 1092 | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE) 1093 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE) 1094 1095 /* Create Context Values */ 1096 #define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */ 1097 #define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */ 1098 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ" 1099 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC" 1100 #define SMB2_CREATE_ALLOCATION_SIZE "AISi" 1101 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc" 1102 #define SMB2_CREATE_TIMEWARP_REQUEST "TWrp" 1103 #define SMB2_CREATE_QUERY_ON_DISK_ID "QFid" 1104 #define SMB2_CREATE_REQUEST_LEASE "RqLs" 1105 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q" 1106 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C" 1107 #define SMB2_CREATE_TAG_POSIX "\x93\xAD\x25\x50\x9C\xB4\x11\xE7\xB4\x23\x83\xDE\x96\x8B\xCD\x7C" 1108 #define SMB2_CREATE_APP_INSTANCE_ID "\x45\xBC\xA6\x6A\xEF\xA7\xF7\x4A\x90\x08\xFA\x46\x2E\x14\x4D\x74" 1109 #define SMB2_CREATE_APP_INSTANCE_VERSION "\xB9\x82\xD0\xB7\x3B\x56\x07\x4F\xA0\x7B\x52\x4A\x81\x16\xA0\x10" 1110 #define SVHDX_OPEN_DEVICE_CONTEXT "\x9C\xCB\xCF\x9E\x04\xC1\xE6\x43\x98\x0E\x15\x8D\xA1\xF6\xEC\x83" 1111 #define SMB2_CREATE_TAG_AAPL "AAPL" 1112 1113 /* Flag (SMB3 open response) values */ 1114 #define SMB2_CREATE_FLAG_REPARSEPOINT 0x01 1115 1116 struct create_context { 1117 __le32 Next; 1118 __le16 NameOffset; 1119 __le16 NameLength; 1120 __le16 Reserved; 1121 __le16 DataOffset; 1122 __le32 DataLength; 1123 __u8 Buffer[]; 1124 } __packed; 1125 1126 struct smb2_create_req { 1127 struct smb2_hdr hdr; 1128 __le16 StructureSize; /* Must be 57 */ 1129 __u8 SecurityFlags; 1130 __u8 RequestedOplockLevel; 1131 __le32 ImpersonationLevel; 1132 __le64 SmbCreateFlags; 1133 __le64 Reserved; 1134 __le32 DesiredAccess; 1135 __le32 FileAttributes; 1136 __le32 ShareAccess; 1137 __le32 CreateDisposition; 1138 __le32 CreateOptions; 1139 __le16 NameOffset; 1140 __le16 NameLength; 1141 __le32 CreateContextsOffset; 1142 __le32 CreateContextsLength; 1143 __u8 Buffer[]; 1144 } __packed; 1145 1146 struct smb2_create_rsp { 1147 struct smb2_hdr hdr; 1148 __le16 StructureSize; /* Must be 89 */ 1149 __u8 OplockLevel; 1150 __u8 Flags; /* 0x01 if reparse point */ 1151 __le32 CreateAction; 1152 __le64 CreationTime; 1153 __le64 LastAccessTime; 1154 __le64 LastWriteTime; 1155 __le64 ChangeTime; 1156 __le64 AllocationSize; 1157 __le64 EndofFile; 1158 __le32 FileAttributes; 1159 __le32 Reserved2; 1160 __u64 PersistentFileId; 1161 __u64 VolatileFileId; 1162 __le32 CreateContextsOffset; 1163 __le32 CreateContextsLength; 1164 __u8 Buffer[]; 1165 } __packed; 1166 1167 struct create_posix { 1168 struct create_context ccontext; 1169 __u8 Name[16]; 1170 __le32 Mode; 1171 __u32 Reserved; 1172 } __packed; 1173 1174 #define SMB2_LEASE_NONE_LE cpu_to_le32(0x00) 1175 #define SMB2_LEASE_READ_CACHING_LE cpu_to_le32(0x01) 1176 #define SMB2_LEASE_HANDLE_CACHING_LE cpu_to_le32(0x02) 1177 #define SMB2_LEASE_WRITE_CACHING_LE cpu_to_le32(0x04) 1178 1179 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS_LE cpu_to_le32(0x02) 1180 1181 #define SMB2_LEASE_KEY_SIZE 16 1182 1183 struct lease_context { 1184 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 1185 __le32 LeaseState; 1186 __le32 LeaseFlags; 1187 __le64 LeaseDuration; 1188 } __packed; 1189 1190 struct lease_context_v2 { 1191 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 1192 __le32 LeaseState; 1193 __le32 LeaseFlags; 1194 __le64 LeaseDuration; 1195 __u8 ParentLeaseKey[SMB2_LEASE_KEY_SIZE]; 1196 __le16 Epoch; 1197 __le16 Reserved; 1198 } __packed; 1199 1200 struct create_lease { 1201 struct create_context ccontext; 1202 __u8 Name[8]; 1203 struct lease_context lcontext; 1204 } __packed; 1205 1206 struct create_lease_v2 { 1207 struct create_context ccontext; 1208 __u8 Name[8]; 1209 struct lease_context_v2 lcontext; 1210 __u8 Pad[4]; 1211 } __packed; 1212 1213 /* See MS-SMB2 2.2.31 and 2.2.32 */ 1214 struct smb2_ioctl_req { 1215 struct smb2_hdr hdr; 1216 __le16 StructureSize; /* Must be 57 */ 1217 __le16 Reserved; /* offset from start of SMB2 header to write data */ 1218 __le32 CtlCode; 1219 __u64 PersistentFileId; 1220 __u64 VolatileFileId; 1221 __le32 InputOffset; /* Reserved MBZ */ 1222 __le32 InputCount; 1223 __le32 MaxInputResponse; 1224 __le32 OutputOffset; 1225 __le32 OutputCount; 1226 __le32 MaxOutputResponse; 1227 __le32 Flags; 1228 __le32 Reserved2; 1229 __u8 Buffer[]; 1230 } __packed; 1231 1232 struct smb2_ioctl_rsp { 1233 struct smb2_hdr hdr; 1234 __le16 StructureSize; /* Must be 49 */ 1235 __le16 Reserved; 1236 __le32 CtlCode; 1237 __u64 PersistentFileId; 1238 __u64 VolatileFileId; 1239 __le32 InputOffset; /* Reserved MBZ */ 1240 __le32 InputCount; 1241 __le32 OutputOffset; 1242 __le32 OutputCount; 1243 __le32 Flags; 1244 __le32 Reserved2; 1245 __u8 Buffer[]; 1246 } __packed; 1247 1248 /* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */ 1249 struct file_zero_data_information { 1250 __le64 FileOffset; 1251 __le64 BeyondFinalZero; 1252 } __packed; 1253 1254 /* See MS-FSCC 2.3.7 */ 1255 struct duplicate_extents_to_file { 1256 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 1257 __u64 VolatileFileHandle; 1258 __le64 SourceFileOffset; 1259 __le64 TargetFileOffset; 1260 __le64 ByteCount; /* Bytes to be copied */ 1261 } __packed; 1262 1263 /* See MS-FSCC 2.3.8 */ 1264 #define DUPLICATE_EXTENTS_DATA_EX_SOURCE_ATOMIC 0x00000001 1265 struct duplicate_extents_to_file_ex { 1266 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 1267 __u64 VolatileFileHandle; 1268 __le64 SourceFileOffset; 1269 __le64 TargetFileOffset; 1270 __le64 ByteCount; /* Bytes to be copied */ 1271 __le32 Flags; 1272 __le32 Reserved; 1273 } __packed; 1274 1275 1276 /* See MS-FSCC 2.3.20 */ 1277 struct fsctl_get_integrity_information_rsp { 1278 __le16 ChecksumAlgorithm; 1279 __le16 Reserved; 1280 __le32 Flags; 1281 __le32 ChecksumChunkSizeInBytes; 1282 __le32 ClusterSizeInBytes; 1283 } __packed; 1284 1285 /* See MS-FSCC 2.3.55 */ 1286 struct fsctl_query_file_regions_req { 1287 __le64 FileOffset; 1288 __le64 Length; 1289 __le32 DesiredUsage; 1290 __le32 Reserved; 1291 } __packed; 1292 1293 /* DesiredUsage flags see MS-FSCC 2.3.56.1 */ 1294 #define FILE_USAGE_INVALID_RANGE 0x00000000 1295 #define FILE_USAGE_VALID_CACHED_DATA 0x00000001 1296 #define FILE_USAGE_NONCACHED_DATA 0x00000002 1297 1298 struct file_region_info { 1299 __le64 FileOffset; 1300 __le64 Length; 1301 __le32 DesiredUsage; 1302 __le32 Reserved; 1303 } __packed; 1304 1305 /* See MS-FSCC 2.3.56 */ 1306 struct fsctl_query_file_region_rsp { 1307 __le32 Flags; 1308 __le32 TotalRegionEntryCount; 1309 __le32 RegionEntryCount; 1310 __u32 Reserved; 1311 struct file_region_info Regions[]; 1312 } __packed; 1313 1314 /* See MS-FSCC 2.3.58 */ 1315 struct fsctl_query_on_disk_vol_info_rsp { 1316 __le64 DirectoryCount; 1317 __le64 FileCount; 1318 __le16 FsFormatMajVersion; 1319 __le16 FsFormatMinVersion; 1320 __u8 FsFormatName[24]; 1321 __le64 FormatTime; 1322 __le64 LastUpdateTime; 1323 __u8 CopyrightInfo[68]; 1324 __u8 AbstractInfo[68]; 1325 __u8 FormatImplInfo[68]; 1326 __u8 LastModifyImplInfo[68]; 1327 } __packed; 1328 1329 /* See MS-FSCC 2.3.73 */ 1330 struct fsctl_set_integrity_information_req { 1331 __le16 ChecksumAlgorithm; 1332 __le16 Reserved; 1333 __le32 Flags; 1334 } __packed; 1335 1336 /* See MS-FSCC 2.3.75 */ 1337 struct fsctl_set_integrity_info_ex_req { 1338 __u8 EnableIntegrity; 1339 __u8 KeepState; 1340 __u16 Reserved; 1341 __le32 Flags; 1342 __u8 Version; 1343 __u8 Reserved2[7]; 1344 } __packed; 1345 1346 /* Integrity ChecksumAlgorithm choices for above */ 1347 #define CHECKSUM_TYPE_NONE 0x0000 1348 #define CHECKSUM_TYPE_CRC64 0x0002 1349 #define CHECKSUM_TYPE_UNCHANGED 0xFFFF /* set only */ 1350 1351 /* Integrity flags for above */ 1352 #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x00000001 1353 1354 /* Reparse structures - see MS-FSCC 2.1.2 */ 1355 1356 /* struct fsctl_reparse_info_req is empty, only response structs (see below) */ 1357 struct reparse_data_buffer { 1358 __le32 ReparseTag; 1359 __le16 ReparseDataLength; 1360 __u16 Reserved; 1361 __u8 DataBuffer[]; /* Variable Length */ 1362 } __packed; 1363 1364 struct reparse_guid_data_buffer { 1365 __le32 ReparseTag; 1366 __le16 ReparseDataLength; 1367 __u16 Reserved; 1368 __u8 ReparseGuid[16]; 1369 __u8 DataBuffer[]; /* Variable Length */ 1370 } __packed; 1371 1372 struct reparse_mount_point_data_buffer { 1373 __le32 ReparseTag; 1374 __le16 ReparseDataLength; 1375 __u16 Reserved; 1376 __le16 SubstituteNameOffset; 1377 __le16 SubstituteNameLength; 1378 __le16 PrintNameOffset; 1379 __le16 PrintNameLength; 1380 __u8 PathBuffer[]; /* Variable Length */ 1381 } __packed; 1382 1383 #define SYMLINK_FLAG_RELATIVE 0x00000001 1384 1385 struct reparse_symlink_data_buffer { 1386 __le32 ReparseTag; 1387 __le16 ReparseDataLength; 1388 __u16 Reserved; 1389 __le16 SubstituteNameOffset; 1390 __le16 SubstituteNameLength; 1391 __le16 PrintNameOffset; 1392 __le16 PrintNameLength; 1393 __le32 Flags; 1394 __u8 PathBuffer[]; /* Variable Length */ 1395 } __packed; 1396 1397 /* See MS-FSCC 2.1.2.6 and cifspdu.h for struct reparse_posix_data */ 1398 1399 struct validate_negotiate_info_req { 1400 __le32 Capabilities; 1401 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1402 __le16 SecurityMode; 1403 __le16 DialectCount; 1404 __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */ 1405 } __packed; 1406 1407 struct validate_negotiate_info_rsp { 1408 __le32 Capabilities; 1409 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1410 __le16 SecurityMode; 1411 __le16 Dialect; /* Dialect in use for the connection */ 1412 } __packed; 1413 1414 1415 /* Possible InfoType values */ 1416 #define SMB2_O_INFO_FILE 0x01 1417 #define SMB2_O_INFO_FILESYSTEM 0x02 1418 #define SMB2_O_INFO_SECURITY 0x03 1419 #define SMB2_O_INFO_QUOTA 0x04 1420 1421 /* SMB2 Query Info see MS-SMB2 (2.2.37) or MS-DTYP */ 1422 1423 /* List of QUERY INFO levels (those also valid for QUERY_DIR are noted below */ 1424 #define FILE_DIRECTORY_INFORMATION 1 /* also for QUERY_DIR */ 1425 #define FILE_FULL_DIRECTORY_INFORMATION 2 /* also for QUERY_DIR */ 1426 #define FILE_BOTH_DIRECTORY_INFORMATION 3 /* also for QUERY_DIR */ 1427 #define FILE_BASIC_INFORMATION 4 1428 #define FILE_STANDARD_INFORMATION 5 1429 #define FILE_INTERNAL_INFORMATION 6 1430 #define FILE_EA_INFORMATION 7 1431 #define FILE_ACCESS_INFORMATION 8 1432 #define FILE_NAME_INFORMATION 9 1433 #define FILE_RENAME_INFORMATION 10 1434 #define FILE_LINK_INFORMATION 11 1435 #define FILE_NAMES_INFORMATION 12 /* also for QUERY_DIR */ 1436 #define FILE_DISPOSITION_INFORMATION 13 1437 #define FILE_POSITION_INFORMATION 14 1438 #define FILE_FULL_EA_INFORMATION 15 1439 #define FILE_MODE_INFORMATION 16 1440 #define FILE_ALIGNMENT_INFORMATION 17 1441 #define FILE_ALL_INFORMATION 18 1442 #define FILE_ALLOCATION_INFORMATION 19 1443 #define FILE_END_OF_FILE_INFORMATION 20 1444 #define FILE_ALTERNATE_NAME_INFORMATION 21 1445 #define FILE_STREAM_INFORMATION 22 1446 #define FILE_PIPE_INFORMATION 23 1447 #define FILE_PIPE_LOCAL_INFORMATION 24 1448 #define FILE_PIPE_REMOTE_INFORMATION 25 1449 #define FILE_MAILSLOT_QUERY_INFORMATION 26 1450 #define FILE_MAILSLOT_SET_INFORMATION 27 1451 #define FILE_COMPRESSION_INFORMATION 28 1452 #define FILE_OBJECT_ID_INFORMATION 29 1453 /* Number 30 not defined in documents */ 1454 #define FILE_MOVE_CLUSTER_INFORMATION 31 1455 #define FILE_QUOTA_INFORMATION 32 1456 #define FILE_REPARSE_POINT_INFORMATION 33 1457 #define FILE_NETWORK_OPEN_INFORMATION 34 1458 #define FILE_ATTRIBUTE_TAG_INFORMATION 35 1459 #define FILE_TRACKING_INFORMATION 36 1460 #define FILEID_BOTH_DIRECTORY_INFORMATION 37 /* also for QUERY_DIR */ 1461 #define FILEID_FULL_DIRECTORY_INFORMATION 38 /* also for QUERY_DIR */ 1462 #define FILE_VALID_DATA_LENGTH_INFORMATION 39 1463 #define FILE_SHORT_NAME_INFORMATION 40 1464 #define FILE_SFIO_RESERVE_INFORMATION 44 1465 #define FILE_SFIO_VOLUME_INFORMATION 45 1466 #define FILE_HARD_LINK_INFORMATION 46 1467 #define FILE_NORMALIZED_NAME_INFORMATION 48 1468 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50 1469 #define FILE_STANDARD_LINK_INFORMATION 54 1470 #define FILE_ID_INFORMATION 59 1471 #define FILE_ID_EXTD_DIRECTORY_INFORMATION 60 /* also for QUERY_DIR */ 1472 /* Used for Query Info and Find File POSIX Info for SMB3.1.1 and SMB1 */ 1473 #define SMB_FIND_FILE_POSIX_INFO 0x064 1474 1475 /* Security info type additionalinfo flags. */ 1476 #define OWNER_SECINFO 0x00000001 1477 #define GROUP_SECINFO 0x00000002 1478 #define DACL_SECINFO 0x00000004 1479 #define SACL_SECINFO 0x00000008 1480 #define LABEL_SECINFO 0x00000010 1481 #define ATTRIBUTE_SECINFO 0x00000020 1482 #define SCOPE_SECINFO 0x00000040 1483 #define BACKUP_SECINFO 0x00010000 1484 #define UNPROTECTED_SACL_SECINFO 0x10000000 1485 #define UNPROTECTED_DACL_SECINFO 0x20000000 1486 #define PROTECTED_SACL_SECINFO 0x40000000 1487 #define PROTECTED_DACL_SECINFO 0x80000000 1488 1489 /* Flags used for FileFullEAinfo */ 1490 #define SL_RESTART_SCAN 0x00000001 1491 #define SL_RETURN_SINGLE_ENTRY 0x00000002 1492 #define SL_INDEX_SPECIFIED 0x00000004 1493 1494 struct smb2_query_info_req { 1495 struct smb2_hdr hdr; 1496 __le16 StructureSize; /* Must be 41 */ 1497 __u8 InfoType; 1498 __u8 FileInfoClass; 1499 __le32 OutputBufferLength; 1500 __le16 InputBufferOffset; 1501 __u16 Reserved; 1502 __le32 InputBufferLength; 1503 __le32 AdditionalInformation; 1504 __le32 Flags; 1505 __u64 PersistentFileId; 1506 __u64 VolatileFileId; 1507 __u8 Buffer[]; 1508 } __packed; 1509 1510 struct smb2_query_info_rsp { 1511 struct smb2_hdr hdr; 1512 __le16 StructureSize; /* Must be 9 */ 1513 __le16 OutputBufferOffset; 1514 __le32 OutputBufferLength; 1515 __u8 Buffer[]; 1516 } __packed; 1517 1518 /* 1519 * PDU query infolevel structure definitions 1520 */ 1521 1522 /* See MS-FSCC 2.3.52 */ 1523 struct file_allocated_range_buffer { 1524 __le64 file_offset; 1525 __le64 length; 1526 } __packed; 1527 1528 struct smb2_file_internal_info { 1529 __le64 IndexNumber; 1530 } __packed; /* level 6 Query */ 1531 1532 struct smb2_file_rename_info { /* encoding of request for level 10 */ 1533 __u8 ReplaceIfExists; /* 1 = replace existing target with new */ 1534 /* 0 = fail if target already exists */ 1535 __u8 Reserved[7]; 1536 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1537 __le32 FileNameLength; 1538 char FileName[]; /* New name to be assigned */ 1539 /* padding - overall struct size must be >= 24 so filename + pad >= 6 */ 1540 } __packed; /* level 10 Set */ 1541 1542 struct smb2_file_link_info { /* encoding of request for level 11 */ 1543 __u8 ReplaceIfExists; /* 1 = replace existing link with new */ 1544 /* 0 = fail if link already exists */ 1545 __u8 Reserved[7]; 1546 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1547 __le32 FileNameLength; 1548 char FileName[]; /* Name to be assigned to new link */ 1549 } __packed; /* level 11 Set */ 1550 1551 /* 1552 * This level 18, although with struct with same name is different from cifs 1553 * level 0x107. Level 0x107 has an extra u64 between AccessFlags and 1554 * CurrentByteOffset. 1555 */ 1556 struct smb2_file_all_info { /* data block encoding of response to level 18 */ 1557 __le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */ 1558 __le64 LastAccessTime; 1559 __le64 LastWriteTime; 1560 __le64 ChangeTime; 1561 __le32 Attributes; 1562 __u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */ 1563 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 1564 __le64 EndOfFile; /* size ie offset to first free byte in file */ 1565 __le32 NumberOfLinks; /* hard links */ 1566 __u8 DeletePending; 1567 __u8 Directory; 1568 __u16 Pad2; /* End of FILE_STANDARD_INFO equivalent */ 1569 __le64 IndexNumber; 1570 __le32 EASize; 1571 __le32 AccessFlags; 1572 __le64 CurrentByteOffset; 1573 __le32 Mode; 1574 __le32 AlignmentRequirement; 1575 __le32 FileNameLength; 1576 union { 1577 char __pad; /* Legacy structure padding */ 1578 DECLARE_FLEX_ARRAY(char, FileName); 1579 }; 1580 } __packed; /* level 18 Query */ 1581 1582 struct smb2_file_eof_info { /* encoding of request for level 10 */ 1583 __le64 EndOfFile; /* new end of file value */ 1584 } __packed; /* level 20 Set */ 1585 1586 /* Level 100 query info */ 1587 struct smb311_posix_qinfo { 1588 __le64 CreationTime; 1589 __le64 LastAccessTime; 1590 __le64 LastWriteTime; 1591 __le64 ChangeTime; 1592 __le64 EndOfFile; 1593 __le64 AllocationSize; 1594 __le32 DosAttributes; 1595 __le64 Inode; 1596 __le32 DeviceId; 1597 __le32 Zero; 1598 /* beginning of POSIX Create Context Response */ 1599 __le32 HardLinks; 1600 __le32 ReparseTag; 1601 __le32 Mode; 1602 u8 Sids[]; 1603 /* 1604 * var sized owner SID 1605 * var sized group SID 1606 * le32 filenamelength 1607 * u8 filename[] 1608 */ 1609 } __packed; 1610 1611 /* File System Information Classes */ 1612 #define FS_VOLUME_INFORMATION 1 /* Query */ 1613 #define FS_LABEL_INFORMATION 2 /* Set */ 1614 #define FS_SIZE_INFORMATION 3 /* Query */ 1615 #define FS_DEVICE_INFORMATION 4 /* Query */ 1616 #define FS_ATTRIBUTE_INFORMATION 5 /* Query */ 1617 #define FS_CONTROL_INFORMATION 6 /* Query, Set */ 1618 #define FS_FULL_SIZE_INFORMATION 7 /* Query */ 1619 #define FS_OBJECT_ID_INFORMATION 8 /* Query, Set */ 1620 #define FS_DRIVER_PATH_INFORMATION 9 /* Query */ 1621 #define FS_SECTOR_SIZE_INFORMATION 11 /* SMB3 or later. Query */ 1622 #define FS_POSIX_INFORMATION 100 /* SMB3.1.1 POSIX. Query */ 1623 1624 struct smb2_fs_full_size_info { 1625 __le64 TotalAllocationUnits; 1626 __le64 CallerAvailableAllocationUnits; 1627 __le64 ActualAvailableAllocationUnits; 1628 __le32 SectorsPerAllocationUnit; 1629 __le32 BytesPerSector; 1630 } __packed; 1631 1632 #define SSINFO_FLAGS_ALIGNED_DEVICE 0x00000001 1633 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002 1634 #define SSINFO_FLAGS_NO_SEEK_PENALTY 0x00000004 1635 #define SSINFO_FLAGS_TRIM_ENABLED 0x00000008 1636 1637 /* sector size info struct */ 1638 struct smb3_fs_ss_info { 1639 __le32 LogicalBytesPerSector; 1640 __le32 PhysicalBytesPerSectorForAtomicity; 1641 __le32 PhysicalBytesPerSectorForPerf; 1642 __le32 FSEffPhysicalBytesPerSectorForAtomicity; 1643 __le32 Flags; 1644 __le32 ByteOffsetForSectorAlignment; 1645 __le32 ByteOffsetForPartitionAlignment; 1646 } __packed; 1647 1648 /* File System Control Information */ 1649 struct smb2_fs_control_info { 1650 __le64 FreeSpaceStartFiltering; 1651 __le64 FreeSpaceThreshold; 1652 __le64 FreeSpaceStopFiltering; 1653 __le64 DefaultQuotaThreshold; 1654 __le64 DefaultQuotaLimit; 1655 __le32 FileSystemControlFlags; 1656 __le32 Padding; 1657 } __packed; 1658 1659 /* volume info struct - see MS-FSCC 2.5.9 */ 1660 #define MAX_VOL_LABEL_LEN 32 1661 struct smb3_fs_vol_info { 1662 __le64 VolumeCreationTime; 1663 __u32 VolumeSerialNumber; 1664 __le32 VolumeLabelLength; /* includes trailing null */ 1665 __u8 SupportsObjects; /* True if eg like NTFS, supports objects */ 1666 __u8 Reserved; 1667 __u8 VolumeLabel[]; /* variable len */ 1668 } __packed; 1669 1670 /* See MS-SMB2 2.2.23 through 2.2.25 */ 1671 struct smb2_oplock_break { 1672 struct smb2_hdr hdr; 1673 __le16 StructureSize; /* Must be 24 */ 1674 __u8 OplockLevel; 1675 __u8 Reserved; 1676 __le32 Reserved2; 1677 __u64 PersistentFid; 1678 __u64 VolatileFid; 1679 } __packed; 1680 1681 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01) 1682 1683 struct smb2_lease_break { 1684 struct smb2_hdr hdr; 1685 __le16 StructureSize; /* Must be 44 */ 1686 __le16 Epoch; 1687 __le32 Flags; 1688 __u8 LeaseKey[16]; 1689 __le32 CurrentLeaseState; 1690 __le32 NewLeaseState; 1691 __le32 BreakReason; 1692 __le32 AccessMaskHint; 1693 __le32 ShareMaskHint; 1694 } __packed; 1695 1696 struct smb2_lease_ack { 1697 struct smb2_hdr hdr; 1698 __le16 StructureSize; /* Must be 36 */ 1699 __le16 Reserved; 1700 __le32 Flags; 1701 __u8 LeaseKey[16]; 1702 __le32 LeaseState; 1703 __le64 LeaseDuration; 1704 } __packed; 1705 1706 #define OP_BREAK_STRUCT_SIZE_20 24 1707 #define OP_BREAK_STRUCT_SIZE_21 36 1708 #endif /* _COMMON_SMB2PDU_H */ 1709