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 SMB2_SHAREFLAG_RESTRICT_EXCLUSIVE_OPENS 0x00000100 331 #define SMB2_SHAREFLAG_FORCE_SHARED_DELETE 0x00000200 332 #define SMB2_SHAREFLAG_ALLOW_NAMESPACE_CACHING 0x00000400 333 #define SMB2_SHAREFLAG_ACCESS_BASED_DIRECTORY_ENUM 0x00000800 334 #define SMB2_SHAREFLAG_FORCE_LEVELII_OPLOCK 0x00001000 335 #define SMB2_SHAREFLAG_ENABLE_HASH_V1 0x00002000 336 #define SMB2_SHAREFLAG_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 SMB2_SHAREFLAG_ISOLATED_TRANSPORT 0x00200000 341 #define SHI1005_FLAGS_ALL 0x0034FF33 342 343 /* Possible share capabilities */ 344 #define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) /* all dialects */ 345 #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */ 346 #define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */ 347 #define SMB2_SHARE_CAP_CLUSTER cpu_to_le32(0x00000040) /* 3.0 */ 348 #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */ 349 #define SMB2_SHARE_CAP_REDIRECT_TO_OWNER cpu_to_le32(0x00000100) /* 3.1.1 */ 350 351 struct smb2_tree_connect_rsp { 352 struct smb2_hdr hdr; 353 __le16 StructureSize; /* Must be 16 */ 354 __u8 ShareType; /* see below */ 355 __u8 Reserved; 356 __le32 ShareFlags; /* see below */ 357 __le32 Capabilities; /* see below */ 358 __le32 MaximalAccess; 359 } __packed; 360 361 struct smb2_tree_disconnect_req { 362 struct smb2_hdr hdr; 363 __le16 StructureSize; /* Must be 4 */ 364 __le16 Reserved; 365 } __packed; 366 367 struct smb2_tree_disconnect_rsp { 368 struct smb2_hdr hdr; 369 __le16 StructureSize; /* Must be 4 */ 370 __le16 Reserved; 371 } __packed; 372 373 374 /* 375 * SMB2_NEGOTIATE_PROTOCOL See MS-SMB2 section 2.2.3 376 */ 377 /* SecurityMode flags */ 378 #define SMB2_NEGOTIATE_SIGNING_ENABLED 0x0001 379 #define SMB2_NEGOTIATE_SIGNING_ENABLED_LE cpu_to_le16(0x0001) 380 #define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002 381 #define SMB2_NEGOTIATE_SIGNING_REQUIRED_LE cpu_to_le16(0x0002) 382 #define SMB2_SEC_MODE_FLAGS_ALL 0x0003 383 384 /* Capabilities flags */ 385 #define SMB2_GLOBAL_CAP_DFS 0x00000001 386 #define SMB2_GLOBAL_CAP_LEASING 0x00000002 /* Resp only New to SMB2.1 */ 387 #define SMB2_GLOBAL_CAP_LARGE_MTU 0X00000004 /* Resp only New to SMB2.1 */ 388 #define SMB2_GLOBAL_CAP_MULTI_CHANNEL 0x00000008 /* New to SMB3 */ 389 #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */ 390 #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING 0x00000020 /* New to SMB3 */ 391 #define SMB2_GLOBAL_CAP_ENCRYPTION 0x00000040 /* New to SMB3 */ 392 /* Internal types */ 393 #define SMB2_NT_FIND 0x00100000 394 #define SMB2_LARGE_FILES 0x00200000 395 396 #define SMB2_CLIENT_GUID_SIZE 16 397 #define SMB2_CREATE_GUID_SIZE 16 398 399 /* Dialects */ 400 #define SMB10_PROT_ID 0x0000 /* local only, not sent on wire w/CIFS negprot */ 401 #define SMB20_PROT_ID 0x0202 402 #define SMB21_PROT_ID 0x0210 403 #define SMB2X_PROT_ID 0x02FF 404 #define SMB30_PROT_ID 0x0300 405 #define SMB302_PROT_ID 0x0302 406 #define SMB311_PROT_ID 0x0311 407 #define BAD_PROT_ID 0xFFFF 408 409 #define SMB311_SALT_SIZE 32 410 /* Hash Algorithm Types */ 411 #define SMB2_PREAUTH_INTEGRITY_SHA512 cpu_to_le16(0x0001) 412 #define SMB2_PREAUTH_HASH_SIZE 64 413 414 /* Negotiate Contexts - ContextTypes. See MS-SMB2 section 2.2.3.1 for details */ 415 #define SMB2_PREAUTH_INTEGRITY_CAPABILITIES cpu_to_le16(1) 416 #define SMB2_ENCRYPTION_CAPABILITIES cpu_to_le16(2) 417 #define SMB2_COMPRESSION_CAPABILITIES cpu_to_le16(3) 418 #define SMB2_NETNAME_NEGOTIATE_CONTEXT_ID cpu_to_le16(5) 419 #define SMB2_TRANSPORT_CAPABILITIES cpu_to_le16(6) 420 #define SMB2_RDMA_TRANSFORM_CAPABILITIES cpu_to_le16(7) 421 #define SMB2_SIGNING_CAPABILITIES cpu_to_le16(8) 422 #define SMB2_POSIX_EXTENSIONS_AVAILABLE cpu_to_le16(0x100) 423 424 struct smb2_neg_context { 425 __le16 ContextType; 426 __le16 DataLength; 427 __le32 Reserved; 428 /* Followed by array of data. NOTE: some servers require padding to 8 byte boundary */ 429 } __packed; 430 431 /* 432 * SaltLength that the server send can be zero, so the only three required 433 * fields (all __le16) end up six bytes total, so the minimum context data len 434 * in the response is six bytes which accounts for 435 * 436 * HashAlgorithmCount, SaltLength, and 1 HashAlgorithm. 437 */ 438 #define MIN_PREAUTH_CTXT_DATA_LEN 6 439 440 struct smb2_preauth_neg_context { 441 __le16 ContextType; /* 1 */ 442 __le16 DataLength; 443 __le32 Reserved; 444 __le16 HashAlgorithmCount; /* 1 */ 445 __le16 SaltLength; 446 __le16 HashAlgorithms; /* HashAlgorithms[0] since only one defined */ 447 __u8 Salt[SMB311_SALT_SIZE]; 448 } __packed; 449 450 /* Encryption Algorithms Ciphers */ 451 #define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001) 452 #define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002) 453 #define SMB2_ENCRYPTION_AES256_CCM cpu_to_le16(0x0003) 454 #define SMB2_ENCRYPTION_AES256_GCM cpu_to_le16(0x0004) 455 456 /* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */ 457 #define MIN_ENCRYPT_CTXT_DATA_LEN 4 458 struct smb2_encryption_neg_context { 459 __le16 ContextType; /* 2 */ 460 __le16 DataLength; 461 __le32 Reserved; 462 /* CipherCount usally 2, but can be 3 when AES256-GCM enabled */ 463 __le16 CipherCount; /* AES128-GCM and AES128-CCM by default */ 464 __le16 Ciphers[]; 465 } __packed; 466 467 /* See MS-SMB2 2.2.3.1.3 */ 468 #define SMB3_COMPRESS_NONE cpu_to_le16(0x0000) 469 #define SMB3_COMPRESS_LZNT1 cpu_to_le16(0x0001) 470 #define SMB3_COMPRESS_LZ77 cpu_to_le16(0x0002) 471 #define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003) 472 /* Pattern scanning algorithm See MS-SMB2 3.1.4.4.1 */ 473 #define SMB3_COMPRESS_PATTERN cpu_to_le16(0x0004) /* Pattern_V1 */ 474 475 /* Compression Flags */ 476 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_NONE cpu_to_le32(0x00000000) 477 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_CHAINED cpu_to_le32(0x00000001) 478 479 struct smb2_compression_capabilities_context { 480 __le16 ContextType; /* 3 */ 481 __le16 DataLength; 482 __le32 Reserved; 483 __le16 CompressionAlgorithmCount; 484 __le16 Padding; 485 __le32 Flags; 486 __le16 CompressionAlgorithms[3]; 487 __u16 Pad; /* Some servers require pad to DataLen multiple of 8 */ 488 /* Check if pad needed */ 489 } __packed; 490 491 /* 492 * For smb2_netname_negotiate_context_id See MS-SMB2 2.2.3.1.4. 493 * Its struct simply contains NetName, an array of Unicode characters 494 */ 495 struct smb2_netname_neg_context { 496 __le16 ContextType; /* 5 */ 497 __le16 DataLength; 498 __le32 Reserved; 499 __le16 NetName[]; /* hostname of target converted to UCS-2 */ 500 } __packed; 501 502 /* 503 * For smb2_transport_capabilities context see MS-SMB2 2.2.3.1.5 504 * and 2.2.4.1.5 505 */ 506 507 /* Flags */ 508 #define SMB2_ACCEPT_TRANSPORT_LEVEL_SECURITY 0x00000001 509 510 struct smb2_transport_capabilities_context { 511 __le16 ContextType; /* 6 */ 512 __le16 DataLength; 513 __u32 Reserved; 514 __le32 Flags; 515 __u32 Pad; 516 } __packed; 517 518 /* 519 * For rdma transform capabilities context see MS-SMB2 2.2.3.1.6 520 * and 2.2.4.1.6 521 */ 522 523 /* RDMA Transform IDs */ 524 #define SMB2_RDMA_TRANSFORM_NONE 0x0000 525 #define SMB2_RDMA_TRANSFORM_ENCRYPTION 0x0001 526 #define SMB2_RDMA_TRANSFORM_SIGNING 0x0002 527 528 struct smb2_rdma_transform_capabilities_context { 529 __le16 ContextType; /* 7 */ 530 __le16 DataLength; 531 __u32 Reserved; 532 __le16 TransformCount; 533 __u16 Reserved1; 534 __u32 Reserved2; 535 __le16 RDMATransformIds[]; 536 } __packed; 537 538 /* 539 * For signing capabilities context see MS-SMB2 2.2.3.1.7 540 * and 2.2.4.1.7 541 */ 542 543 /* Signing algorithms */ 544 #define SIGNING_ALG_HMAC_SHA256 0 545 #define SIGNING_ALG_HMAC_SHA256_LE cpu_to_le16(0) 546 #define SIGNING_ALG_AES_CMAC 1 547 #define SIGNING_ALG_AES_CMAC_LE cpu_to_le16(1) 548 #define SIGNING_ALG_AES_GMAC 2 549 #define SIGNING_ALG_AES_GMAC_LE cpu_to_le16(2) 550 551 struct smb2_signing_capabilities { 552 __le16 ContextType; /* 8 */ 553 __le16 DataLength; 554 __le32 Reserved; 555 __le16 SigningAlgorithmCount; 556 __le16 SigningAlgorithms[]; 557 /* Followed by padding to 8 byte boundary (required by some servers) */ 558 } __packed; 559 560 #define POSIX_CTXT_DATA_LEN 16 561 struct smb2_posix_neg_context { 562 __le16 ContextType; /* 0x100 */ 563 __le16 DataLength; 564 __le32 Reserved; 565 __u8 Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */ 566 } __packed; 567 568 struct smb2_negotiate_req { 569 struct smb2_hdr hdr; 570 __le16 StructureSize; /* Must be 36 */ 571 __le16 DialectCount; 572 __le16 SecurityMode; 573 __le16 Reserved; /* MBZ */ 574 __le32 Capabilities; 575 __u8 ClientGUID[SMB2_CLIENT_GUID_SIZE]; 576 /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */ 577 __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */ 578 __le16 NegotiateContextCount; /* SMB3.1.1 only. MBZ earlier */ 579 __le16 Reserved2; 580 __le16 Dialects[]; 581 } __packed; 582 583 struct smb2_negotiate_rsp { 584 struct smb2_hdr hdr; 585 __le16 StructureSize; /* Must be 65 */ 586 __le16 SecurityMode; 587 __le16 DialectRevision; 588 __le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */ 589 __u8 ServerGUID[16]; 590 __le32 Capabilities; 591 __le32 MaxTransactSize; 592 __le32 MaxReadSize; 593 __le32 MaxWriteSize; 594 __le64 SystemTime; /* MBZ */ 595 __le64 ServerStartTime; 596 __le16 SecurityBufferOffset; 597 __le16 SecurityBufferLength; 598 __le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */ 599 __u8 Buffer[]; /* variable length GSS security buffer */ 600 } __packed; 601 602 603 /* 604 * SMB2_SESSION_SETUP See MS-SMB2 section 2.2.5 605 */ 606 /* Flags */ 607 #define SMB2_SESSION_REQ_FLAG_BINDING 0x01 608 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04 609 610 struct smb2_sess_setup_req { 611 struct smb2_hdr hdr; 612 __le16 StructureSize; /* Must be 25 */ 613 __u8 Flags; 614 __u8 SecurityMode; 615 __le32 Capabilities; 616 __le32 Channel; 617 __le16 SecurityBufferOffset; 618 __le16 SecurityBufferLength; 619 __le64 PreviousSessionId; 620 __u8 Buffer[]; /* variable length GSS security buffer */ 621 } __packed; 622 623 /* Currently defined SessionFlags */ 624 #define SMB2_SESSION_FLAG_IS_GUEST 0x0001 625 #define SMB2_SESSION_FLAG_IS_GUEST_LE cpu_to_le16(0x0001) 626 #define SMB2_SESSION_FLAG_IS_NULL 0x0002 627 #define SMB2_SESSION_FLAG_IS_NULL_LE cpu_to_le16(0x0002) 628 #define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004 629 #define SMB2_SESSION_FLAG_ENCRYPT_DATA_LE cpu_to_le16(0x0004) 630 631 struct smb2_sess_setup_rsp { 632 struct smb2_hdr hdr; 633 __le16 StructureSize; /* Must be 9 */ 634 __le16 SessionFlags; 635 __le16 SecurityBufferOffset; 636 __le16 SecurityBufferLength; 637 __u8 Buffer[]; /* variable length GSS security buffer */ 638 } __packed; 639 640 641 /* 642 * SMB2_LOGOFF See MS-SMB2 section 2.2.7 643 */ 644 struct smb2_logoff_req { 645 struct smb2_hdr hdr; 646 __le16 StructureSize; /* Must be 4 */ 647 __le16 Reserved; 648 } __packed; 649 650 struct smb2_logoff_rsp { 651 struct smb2_hdr hdr; 652 __le16 StructureSize; /* Must be 4 */ 653 __le16 Reserved; 654 } __packed; 655 656 657 /* 658 * SMB2_CLOSE See MS-SMB2 section 2.2.15 659 */ 660 /* Currently defined values for close flags */ 661 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001) 662 struct smb2_close_req { 663 struct smb2_hdr hdr; 664 __le16 StructureSize; /* Must be 24 */ 665 __le16 Flags; 666 __le32 Reserved; 667 __u64 PersistentFileId; /* opaque endianness */ 668 __u64 VolatileFileId; /* opaque endianness */ 669 } __packed; 670 671 /* 672 * Maximum size of a SMB2_CLOSE response is 64 (smb2 header) + 60 (data) 673 */ 674 #define MAX_SMB2_CLOSE_RESPONSE_SIZE 124 675 676 struct smb2_close_rsp { 677 struct smb2_hdr hdr; 678 __le16 StructureSize; /* 60 */ 679 __le16 Flags; 680 __le32 Reserved; 681 __le64 CreationTime; 682 __le64 LastAccessTime; 683 __le64 LastWriteTime; 684 __le64 ChangeTime; 685 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 686 __le64 EndOfFile; 687 __le32 Attributes; 688 } __packed; 689 690 691 /* 692 * SMB2_READ See MS-SMB2 section 2.2.19 693 */ 694 /* For read request Flags field below, following flag is defined for SMB3.02 */ 695 #define SMB2_READFLAG_READ_UNBUFFERED 0x01 696 #define SMB2_READFLAG_REQUEST_COMPRESSED 0x02 /* See MS-SMB2 2.2.19 */ 697 698 /* Channel field for read and write: exactly one of following flags can be set*/ 699 #define SMB2_CHANNEL_NONE cpu_to_le32(0x00000000) 700 #define SMB2_CHANNEL_RDMA_V1 cpu_to_le32(0x00000001) 701 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) 702 #define SMB2_CHANNEL_RDMA_TRANSFORM cpu_to_le32(0x00000003) 703 704 /* SMB2 read request without RFC1001 length at the beginning */ 705 struct smb2_read_req { 706 struct smb2_hdr hdr; 707 __le16 StructureSize; /* Must be 49 */ 708 __u8 Padding; /* offset from start of SMB2 header to place read */ 709 __u8 Flags; /* MBZ unless SMB3.02 or later */ 710 __le32 Length; 711 __le64 Offset; 712 __u64 PersistentFileId; 713 __u64 VolatileFileId; 714 __le32 MinimumCount; 715 __le32 Channel; /* MBZ except for SMB3 or later */ 716 __le32 RemainingBytes; 717 __le16 ReadChannelInfoOffset; 718 __le16 ReadChannelInfoLength; 719 __u8 Buffer[]; 720 } __packed; 721 722 /* Read flags */ 723 #define SMB2_READFLAG_RESPONSE_NONE cpu_to_le32(0x00000000) 724 #define SMB2_READFLAG_RESPONSE_RDMA_TRANSFORM cpu_to_le32(0x00000001) 725 726 struct smb2_read_rsp { 727 struct smb2_hdr hdr; 728 __le16 StructureSize; /* Must be 17 */ 729 __u8 DataOffset; 730 __u8 Reserved; 731 __le32 DataLength; 732 __le32 DataRemaining; 733 __le32 Flags; 734 __u8 Buffer[]; 735 } __packed; 736 737 738 /* 739 * SMB2_WRITE See MS-SMB2 section 2.2.21 740 */ 741 /* For write request Flags field below the following flags are defined: */ 742 #define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 /* SMB2.1 or later */ 743 #define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002 /* SMB3.02 or later */ 744 745 struct smb2_write_req { 746 struct smb2_hdr hdr; 747 __le16 StructureSize; /* Must be 49 */ 748 __le16 DataOffset; /* offset from start of SMB2 header to write data */ 749 __le32 Length; 750 __le64 Offset; 751 __u64 PersistentFileId; /* opaque endianness */ 752 __u64 VolatileFileId; /* opaque endianness */ 753 __le32 Channel; /* MBZ unless SMB3.02 or later */ 754 __le32 RemainingBytes; 755 __le16 WriteChannelInfoOffset; 756 __le16 WriteChannelInfoLength; 757 __le32 Flags; 758 __u8 Buffer[]; 759 } __packed; 760 761 struct smb2_write_rsp { 762 struct smb2_hdr hdr; 763 __le16 StructureSize; /* Must be 17 */ 764 __u8 DataOffset; 765 __u8 Reserved; 766 __le32 DataLength; 767 __le32 DataRemaining; 768 __u32 Reserved2; 769 __u8 Buffer[]; 770 } __packed; 771 772 773 /* 774 * SMB2_FLUSH See MS-SMB2 section 2.2.17 775 */ 776 struct smb2_flush_req { 777 struct smb2_hdr hdr; 778 __le16 StructureSize; /* Must be 24 */ 779 __le16 Reserved1; 780 __le32 Reserved2; 781 __u64 PersistentFileId; 782 __u64 VolatileFileId; 783 } __packed; 784 785 struct smb2_flush_rsp { 786 struct smb2_hdr hdr; 787 __le16 StructureSize; 788 __le16 Reserved; 789 } __packed; 790 791 #define SMB2_LOCKFLAG_SHARED 0x0001 792 #define SMB2_LOCKFLAG_EXCLUSIVE 0x0002 793 #define SMB2_LOCKFLAG_UNLOCK 0x0004 794 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY 0x0010 795 #define SMB2_LOCKFLAG_MASK 0x0007 796 797 struct smb2_lock_element { 798 __le64 Offset; 799 __le64 Length; 800 __le32 Flags; 801 __le32 Reserved; 802 } __packed; 803 804 struct smb2_lock_req { 805 struct smb2_hdr hdr; 806 __le16 StructureSize; /* Must be 48 */ 807 __le16 LockCount; 808 /* 809 * The least significant four bits are the index, the other 28 bits are 810 * the lock sequence number (0 to 64). See MS-SMB2 2.2.26 811 */ 812 __le32 LockSequenceNumber; 813 __u64 PersistentFileId; 814 __u64 VolatileFileId; 815 /* Followed by at least one */ 816 union { 817 struct smb2_lock_element lock; 818 DECLARE_FLEX_ARRAY(struct smb2_lock_element, locks); 819 }; 820 } __packed; 821 822 struct smb2_lock_rsp { 823 struct smb2_hdr hdr; 824 __le16 StructureSize; /* Must be 4 */ 825 __le16 Reserved; 826 } __packed; 827 828 struct smb2_echo_req { 829 struct smb2_hdr hdr; 830 __le16 StructureSize; /* Must be 4 */ 831 __u16 Reserved; 832 } __packed; 833 834 struct smb2_echo_rsp { 835 struct smb2_hdr hdr; 836 __le16 StructureSize; /* Must be 4 */ 837 __u16 Reserved; 838 } __packed; 839 840 /* 841 * Valid FileInformation classes for query directory 842 * 843 * Note that these are a subset of the (file) QUERY_INFO levels defined 844 * later in this file (but since QUERY_DIRECTORY uses equivalent numbers 845 * we do not redefine them here) 846 * 847 * FileDirectoryInfomation 0x01 848 * FileFullDirectoryInformation 0x02 849 * FileIdFullDirectoryInformation 0x26 850 * FileBothDirectoryInformation 0x03 851 * FileIdBothDirectoryInformation 0x25 852 * FileNamesInformation 0x0C 853 * FileIdExtdDirectoryInformation 0x3C 854 */ 855 856 /* search (query_directory) Flags field */ 857 #define SMB2_RESTART_SCANS 0x01 858 #define SMB2_RETURN_SINGLE_ENTRY 0x02 859 #define SMB2_INDEX_SPECIFIED 0x04 860 #define SMB2_REOPEN 0x10 861 862 struct smb2_query_directory_req { 863 struct smb2_hdr hdr; 864 __le16 StructureSize; /* Must be 33 */ 865 __u8 FileInformationClass; 866 __u8 Flags; 867 __le32 FileIndex; 868 __u64 PersistentFileId; 869 __u64 VolatileFileId; 870 __le16 FileNameOffset; 871 __le16 FileNameLength; 872 __le32 OutputBufferLength; 873 __u8 Buffer[]; 874 } __packed; 875 876 struct smb2_query_directory_rsp { 877 struct smb2_hdr hdr; 878 __le16 StructureSize; /* Must be 9 */ 879 __le16 OutputBufferOffset; 880 __le32 OutputBufferLength; 881 __u8 Buffer[]; 882 } __packed; 883 884 /* 885 * Maximum number of iovs we need for a set-info request. 886 * The largest one is rename/hardlink 887 * [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info 888 * [1] : path 889 * [2] : compound padding 890 */ 891 #define SMB2_SET_INFO_IOV_SIZE 3 892 893 struct smb2_set_info_req { 894 struct smb2_hdr hdr; 895 __le16 StructureSize; /* Must be 33 */ 896 __u8 InfoType; 897 __u8 FileInfoClass; 898 __le32 BufferLength; 899 __le16 BufferOffset; 900 __u16 Reserved; 901 __le32 AdditionalInformation; 902 __u64 PersistentFileId; 903 __u64 VolatileFileId; 904 __u8 Buffer[]; 905 } __packed; 906 907 struct smb2_set_info_rsp { 908 struct smb2_hdr hdr; 909 __le16 StructureSize; /* Must be 2 */ 910 } __packed; 911 912 /* 913 * SMB2_NOTIFY See MS-SMB2 section 2.2.35 914 */ 915 /* notify flags */ 916 #define SMB2_WATCH_TREE 0x0001 917 918 /* notify completion filter flags. See MS-FSCC 2.6 and MS-SMB2 2.2.35 */ 919 #define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001 920 #define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002 921 #define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004 922 #define FILE_NOTIFY_CHANGE_SIZE 0x00000008 923 #define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010 924 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020 925 #define FILE_NOTIFY_CHANGE_CREATION 0x00000040 926 #define FILE_NOTIFY_CHANGE_EA 0x00000080 927 #define FILE_NOTIFY_CHANGE_SECURITY 0x00000100 928 #define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200 929 #define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400 930 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800 931 932 /* SMB2 Notify Action Flags */ 933 #define FILE_ACTION_ADDED 0x00000001 934 #define FILE_ACTION_REMOVED 0x00000002 935 #define FILE_ACTION_MODIFIED 0x00000003 936 #define FILE_ACTION_RENAMED_OLD_NAME 0x00000004 937 #define FILE_ACTION_RENAMED_NEW_NAME 0x00000005 938 #define FILE_ACTION_ADDED_STREAM 0x00000006 939 #define FILE_ACTION_REMOVED_STREAM 0x00000007 940 #define FILE_ACTION_MODIFIED_STREAM 0x00000008 941 #define FILE_ACTION_REMOVED_BY_DELETE 0x00000009 942 943 struct smb2_change_notify_req { 944 struct smb2_hdr hdr; 945 __le16 StructureSize; 946 __le16 Flags; 947 __le32 OutputBufferLength; 948 __u64 PersistentFileId; /* opaque endianness */ 949 __u64 VolatileFileId; /* opaque endianness */ 950 __le32 CompletionFilter; 951 __u32 Reserved; 952 } __packed; 953 954 struct smb2_change_notify_rsp { 955 struct smb2_hdr hdr; 956 __le16 StructureSize; /* Must be 9 */ 957 __le16 OutputBufferOffset; 958 __le32 OutputBufferLength; 959 __u8 Buffer[]; /* array of file notify structs */ 960 } __packed; 961 962 963 /* 964 * SMB2_CREATE See MS-SMB2 section 2.2.13 965 */ 966 /* Oplock levels */ 967 #define SMB2_OPLOCK_LEVEL_NONE 0x00 968 #define SMB2_OPLOCK_LEVEL_II 0x01 969 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08 970 #define SMB2_OPLOCK_LEVEL_BATCH 0x09 971 #define SMB2_OPLOCK_LEVEL_LEASE 0xFF 972 /* Non-spec internal type */ 973 #define SMB2_OPLOCK_LEVEL_NOCHANGE 0x99 974 975 /* Impersonation Levels. See MS-WPO section 9.7 and MSDN-IMPERS */ 976 #define IL_ANONYMOUS cpu_to_le32(0x00000000) 977 #define IL_IDENTIFICATION cpu_to_le32(0x00000001) 978 #define IL_IMPERSONATION cpu_to_le32(0x00000002) 979 #define IL_DELEGATE cpu_to_le32(0x00000003) 980 981 /* File Attrubutes */ 982 #define FILE_ATTRIBUTE_READONLY 0x00000001 983 #define FILE_ATTRIBUTE_HIDDEN 0x00000002 984 #define FILE_ATTRIBUTE_SYSTEM 0x00000004 985 #define FILE_ATTRIBUTE_DIRECTORY 0x00000010 986 #define FILE_ATTRIBUTE_ARCHIVE 0x00000020 987 #define FILE_ATTRIBUTE_NORMAL 0x00000080 988 #define FILE_ATTRIBUTE_TEMPORARY 0x00000100 989 #define FILE_ATTRIBUTE_SPARSE_FILE 0x00000200 990 #define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400 991 #define FILE_ATTRIBUTE_COMPRESSED 0x00000800 992 #define FILE_ATTRIBUTE_OFFLINE 0x00001000 993 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x00002000 994 #define FILE_ATTRIBUTE_ENCRYPTED 0x00004000 995 #define FILE_ATTRIBUTE_INTEGRITY_STREAM 0x00008000 996 #define FILE_ATTRIBUTE_NO_SCRUB_DATA 0x00020000 997 #define FILE_ATTRIBUTE__MASK 0x00007FB7 998 999 #define FILE_ATTRIBUTE_READONLY_LE cpu_to_le32(0x00000001) 1000 #define FILE_ATTRIBUTE_HIDDEN_LE cpu_to_le32(0x00000002) 1001 #define FILE_ATTRIBUTE_SYSTEM_LE cpu_to_le32(0x00000004) 1002 #define FILE_ATTRIBUTE_DIRECTORY_LE cpu_to_le32(0x00000010) 1003 #define FILE_ATTRIBUTE_ARCHIVE_LE cpu_to_le32(0x00000020) 1004 #define FILE_ATTRIBUTE_NORMAL_LE cpu_to_le32(0x00000080) 1005 #define FILE_ATTRIBUTE_TEMPORARY_LE cpu_to_le32(0x00000100) 1006 #define FILE_ATTRIBUTE_SPARSE_FILE_LE cpu_to_le32(0x00000200) 1007 #define FILE_ATTRIBUTE_REPARSE_POINT_LE cpu_to_le32(0x00000400) 1008 #define FILE_ATTRIBUTE_COMPRESSED_LE cpu_to_le32(0x00000800) 1009 #define FILE_ATTRIBUTE_OFFLINE_LE cpu_to_le32(0x00001000) 1010 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED_LE cpu_to_le32(0x00002000) 1011 #define FILE_ATTRIBUTE_ENCRYPTED_LE cpu_to_le32(0x00004000) 1012 #define FILE_ATTRIBUTE_INTEGRITY_STREAM_LE cpu_to_le32(0x00008000) 1013 #define FILE_ATTRIBUTE_NO_SCRUB_DATA_LE cpu_to_le32(0x00020000) 1014 #define FILE_ATTRIBUTE_MASK_LE cpu_to_le32(0x00007FB7) 1015 1016 /* Desired Access Flags */ 1017 #define FILE_READ_DATA_LE cpu_to_le32(0x00000001) 1018 #define FILE_LIST_DIRECTORY_LE cpu_to_le32(0x00000001) 1019 #define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002) 1020 #define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004) 1021 #define FILE_ADD_SUBDIRECTORY_LE cpu_to_le32(0x00000004) 1022 #define FILE_READ_EA_LE cpu_to_le32(0x00000008) 1023 #define FILE_WRITE_EA_LE cpu_to_le32(0x00000010) 1024 #define FILE_EXECUTE_LE cpu_to_le32(0x00000020) 1025 #define FILE_DELETE_CHILD_LE cpu_to_le32(0x00000040) 1026 #define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080) 1027 #define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100) 1028 #define FILE_DELETE_LE cpu_to_le32(0x00010000) 1029 #define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000) 1030 #define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000) 1031 #define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000) 1032 #define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000) 1033 #define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000) 1034 #define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000) 1035 #define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000) 1036 #define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000) 1037 #define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000) 1038 #define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000) 1039 #define DESIRED_ACCESS_MASK cpu_to_le32(0xF21F01FF) 1040 1041 1042 #define FILE_READ_DESIRED_ACCESS_LE (FILE_READ_DATA_LE | \ 1043 FILE_READ_EA_LE | \ 1044 FILE_GENERIC_READ_LE) 1045 #define FILE_WRITE_DESIRE_ACCESS_LE (FILE_WRITE_DATA_LE | \ 1046 FILE_APPEND_DATA_LE | \ 1047 FILE_WRITE_EA_LE | \ 1048 FILE_WRITE_ATTRIBUTES_LE | \ 1049 FILE_GENERIC_WRITE_LE) 1050 1051 /* ShareAccess Flags */ 1052 #define FILE_SHARE_READ_LE cpu_to_le32(0x00000001) 1053 #define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002) 1054 #define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004) 1055 #define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007) 1056 1057 /* CreateDisposition Flags */ 1058 #define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000) 1059 #define FILE_OPEN_LE cpu_to_le32(0x00000001) 1060 #define FILE_CREATE_LE cpu_to_le32(0x00000002) 1061 #define FILE_OPEN_IF_LE cpu_to_le32(0x00000003) 1062 #define FILE_OVERWRITE_LE cpu_to_le32(0x00000004) 1063 #define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005) 1064 #define FILE_CREATE_MASK_LE cpu_to_le32(0x00000007) 1065 1066 #define FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA \ 1067 | FILE_READ_ATTRIBUTES) 1068 #define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ 1069 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES) 1070 #define FILE_EXEC_RIGHTS (FILE_EXECUTE) 1071 1072 /* CreateOptions Flags */ 1073 #define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001) 1074 /* same as #define CREATE_NOT_FILE_LE cpu_to_le32(0x00000001) */ 1075 #define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002) 1076 #define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004) 1077 #define FILE_NO_INTERMEDIATE_BUFFERING_LE cpu_to_le32(0x00000008) 1078 #define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040) 1079 #define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100) 1080 #define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200) 1081 #define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800) 1082 #define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000) 1083 #define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000) 1084 #define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000) 1085 #define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000) 1086 #define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000) 1087 #define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000) 1088 #define CREATE_OPTIONS_MASK_LE cpu_to_le32(0x00FFFFFF) 1089 1090 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \ 1091 | FILE_READ_ATTRIBUTES_LE) 1092 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \ 1093 | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE) 1094 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE) 1095 1096 /* Create Context Values */ 1097 #define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */ 1098 #define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */ 1099 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ" 1100 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC" 1101 #define SMB2_CREATE_ALLOCATION_SIZE "AISi" 1102 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc" 1103 #define SMB2_CREATE_TIMEWARP_REQUEST "TWrp" 1104 #define SMB2_CREATE_QUERY_ON_DISK_ID "QFid" 1105 #define SMB2_CREATE_REQUEST_LEASE "RqLs" 1106 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q" 1107 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C" 1108 #define SMB2_CREATE_TAG_POSIX "\x93\xAD\x25\x50\x9C\xB4\x11\xE7\xB4\x23\x83\xDE\x96\x8B\xCD\x7C" 1109 #define SMB2_CREATE_APP_INSTANCE_ID "\x45\xBC\xA6\x6A\xEF\xA7\xF7\x4A\x90\x08\xFA\x46\x2E\x14\x4D\x74" 1110 #define SMB2_CREATE_APP_INSTANCE_VERSION "\xB9\x82\xD0\xB7\x3B\x56\x07\x4F\xA0\x7B\x52\x4A\x81\x16\xA0\x10" 1111 #define SVHDX_OPEN_DEVICE_CONTEXT "\x9C\xCB\xCF\x9E\x04\xC1\xE6\x43\x98\x0E\x15\x8D\xA1\xF6\xEC\x83" 1112 #define SMB2_CREATE_TAG_AAPL "AAPL" 1113 1114 /* Flag (SMB3 open response) values */ 1115 #define SMB2_CREATE_FLAG_REPARSEPOINT 0x01 1116 1117 struct create_context { 1118 __le32 Next; 1119 __le16 NameOffset; 1120 __le16 NameLength; 1121 __le16 Reserved; 1122 __le16 DataOffset; 1123 __le32 DataLength; 1124 __u8 Buffer[]; 1125 } __packed; 1126 1127 struct smb2_create_req { 1128 struct smb2_hdr hdr; 1129 __le16 StructureSize; /* Must be 57 */ 1130 __u8 SecurityFlags; 1131 __u8 RequestedOplockLevel; 1132 __le32 ImpersonationLevel; 1133 __le64 SmbCreateFlags; 1134 __le64 Reserved; 1135 __le32 DesiredAccess; 1136 __le32 FileAttributes; 1137 __le32 ShareAccess; 1138 __le32 CreateDisposition; 1139 __le32 CreateOptions; 1140 __le16 NameOffset; 1141 __le16 NameLength; 1142 __le32 CreateContextsOffset; 1143 __le32 CreateContextsLength; 1144 __u8 Buffer[]; 1145 } __packed; 1146 1147 struct smb2_create_rsp { 1148 struct smb2_hdr hdr; 1149 __le16 StructureSize; /* Must be 89 */ 1150 __u8 OplockLevel; 1151 __u8 Flags; /* 0x01 if reparse point */ 1152 __le32 CreateAction; 1153 __le64 CreationTime; 1154 __le64 LastAccessTime; 1155 __le64 LastWriteTime; 1156 __le64 ChangeTime; 1157 __le64 AllocationSize; 1158 __le64 EndofFile; 1159 __le32 FileAttributes; 1160 __le32 Reserved2; 1161 __u64 PersistentFileId; 1162 __u64 VolatileFileId; 1163 __le32 CreateContextsOffset; 1164 __le32 CreateContextsLength; 1165 __u8 Buffer[]; 1166 } __packed; 1167 1168 struct create_posix { 1169 struct create_context ccontext; 1170 __u8 Name[16]; 1171 __le32 Mode; 1172 __u32 Reserved; 1173 } __packed; 1174 1175 /* See MS-SMB2 2.2.13.2.3 and MS-SMB2 2.2.13.2.4 */ 1176 struct create_durable { 1177 struct create_context ccontext; 1178 __u8 Name[8]; 1179 union { 1180 __u8 Reserved[16]; 1181 struct { 1182 __u64 PersistentFileId; 1183 __u64 VolatileFileId; 1184 } Fid; 1185 } Data; 1186 } __packed; 1187 1188 /* See MS-SMB2 2.2.13.2.5 */ 1189 struct create_mxac_req { 1190 struct create_context ccontext; 1191 __u8 Name[8]; 1192 __le64 Timestamp; 1193 } __packed; 1194 1195 /* See MS-SMB2 2.2.14.2.5 */ 1196 struct create_mxac_rsp { 1197 struct create_context ccontext; 1198 __u8 Name[8]; 1199 __le32 QueryStatus; 1200 __le32 MaximalAccess; 1201 } __packed; 1202 1203 #define SMB2_LEASE_NONE_LE cpu_to_le32(0x00) 1204 #define SMB2_LEASE_READ_CACHING_LE cpu_to_le32(0x01) 1205 #define SMB2_LEASE_HANDLE_CACHING_LE cpu_to_le32(0x02) 1206 #define SMB2_LEASE_WRITE_CACHING_LE cpu_to_le32(0x04) 1207 1208 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS_LE cpu_to_le32(0x02) 1209 1210 #define SMB2_LEASE_KEY_SIZE 16 1211 1212 /* See MS-SMB2 2.2.13.2.8 */ 1213 struct lease_context { 1214 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 1215 __le32 LeaseState; 1216 __le32 LeaseFlags; 1217 __le64 LeaseDuration; 1218 } __packed; 1219 1220 /* See MS-SMB2 2.2.13.2.10 */ 1221 struct lease_context_v2 { 1222 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 1223 __le32 LeaseState; 1224 __le32 LeaseFlags; 1225 __le64 LeaseDuration; 1226 __u8 ParentLeaseKey[SMB2_LEASE_KEY_SIZE]; 1227 __le16 Epoch; 1228 __le16 Reserved; 1229 } __packed; 1230 1231 struct create_lease { 1232 struct create_context ccontext; 1233 __u8 Name[8]; 1234 struct lease_context lcontext; 1235 } __packed; 1236 1237 struct create_lease_v2 { 1238 struct create_context ccontext; 1239 __u8 Name[8]; 1240 struct lease_context_v2 lcontext; 1241 __u8 Pad[4]; 1242 } __packed; 1243 1244 /* See MS-SMB2 2.2.14.2.9 */ 1245 struct create_disk_id_rsp { 1246 struct create_context ccontext; 1247 __u8 Name[8]; 1248 __le64 DiskFileId; 1249 __le64 VolumeId; 1250 __u8 Reserved[16]; 1251 } __packed; 1252 1253 /* See MS-SMB2 2.2.13.2.13 */ 1254 struct create_app_inst_id { 1255 struct create_context ccontext; 1256 __u8 Name[16]; 1257 __le32 StructureSize; /* Must be 20 */ 1258 __u16 Reserved; 1259 __u8 AppInstanceId[16]; 1260 } __packed; 1261 1262 /* See MS-SMB2 2.2.13.2.15 */ 1263 struct create_app_inst_id_vers { 1264 struct create_context ccontext; 1265 __u8 Name[16]; 1266 __le32 StructureSize; /* Must be 24 */ 1267 __u16 Reserved; 1268 __u32 Padding; 1269 __le64 AppInstanceVersionHigh; 1270 __le64 AppInstanceVersionLow; 1271 } __packed; 1272 1273 /* See MS-SMB2 2.2.31 and 2.2.32 */ 1274 struct smb2_ioctl_req { 1275 struct smb2_hdr hdr; 1276 __le16 StructureSize; /* Must be 57 */ 1277 __le16 Reserved; /* offset from start of SMB2 header to write data */ 1278 __le32 CtlCode; 1279 __u64 PersistentFileId; 1280 __u64 VolatileFileId; 1281 __le32 InputOffset; /* Reserved MBZ */ 1282 __le32 InputCount; 1283 __le32 MaxInputResponse; 1284 __le32 OutputOffset; 1285 __le32 OutputCount; 1286 __le32 MaxOutputResponse; 1287 __le32 Flags; 1288 __le32 Reserved2; 1289 __u8 Buffer[]; 1290 } __packed; 1291 1292 struct smb2_ioctl_rsp { 1293 struct smb2_hdr hdr; 1294 __le16 StructureSize; /* Must be 49 */ 1295 __le16 Reserved; 1296 __le32 CtlCode; 1297 __u64 PersistentFileId; 1298 __u64 VolatileFileId; 1299 __le32 InputOffset; /* Reserved MBZ */ 1300 __le32 InputCount; 1301 __le32 OutputOffset; 1302 __le32 OutputCount; 1303 __le32 Flags; 1304 __le32 Reserved2; 1305 __u8 Buffer[]; 1306 } __packed; 1307 1308 /* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */ 1309 struct file_zero_data_information { 1310 __le64 FileOffset; 1311 __le64 BeyondFinalZero; 1312 } __packed; 1313 1314 /* See MS-FSCC 2.3.7 */ 1315 struct duplicate_extents_to_file { 1316 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 1317 __u64 VolatileFileHandle; 1318 __le64 SourceFileOffset; 1319 __le64 TargetFileOffset; 1320 __le64 ByteCount; /* Bytes to be copied */ 1321 } __packed; 1322 1323 /* See MS-FSCC 2.3.8 */ 1324 #define DUPLICATE_EXTENTS_DATA_EX_SOURCE_ATOMIC 0x00000001 1325 struct duplicate_extents_to_file_ex { 1326 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 1327 __u64 VolatileFileHandle; 1328 __le64 SourceFileOffset; 1329 __le64 TargetFileOffset; 1330 __le64 ByteCount; /* Bytes to be copied */ 1331 __le32 Flags; 1332 __le32 Reserved; 1333 } __packed; 1334 1335 1336 /* See MS-FSCC 2.3.20 */ 1337 struct fsctl_get_integrity_information_rsp { 1338 __le16 ChecksumAlgorithm; 1339 __le16 Reserved; 1340 __le32 Flags; 1341 __le32 ChecksumChunkSizeInBytes; 1342 __le32 ClusterSizeInBytes; 1343 } __packed; 1344 1345 /* See MS-FSCC 2.3.55 */ 1346 struct fsctl_query_file_regions_req { 1347 __le64 FileOffset; 1348 __le64 Length; 1349 __le32 DesiredUsage; 1350 __le32 Reserved; 1351 } __packed; 1352 1353 /* DesiredUsage flags see MS-FSCC 2.3.56.1 */ 1354 #define FILE_USAGE_INVALID_RANGE 0x00000000 1355 #define FILE_USAGE_VALID_CACHED_DATA 0x00000001 1356 #define FILE_USAGE_NONCACHED_DATA 0x00000002 1357 1358 struct file_region_info { 1359 __le64 FileOffset; 1360 __le64 Length; 1361 __le32 DesiredUsage; 1362 __le32 Reserved; 1363 } __packed; 1364 1365 /* See MS-FSCC 2.3.56 */ 1366 struct fsctl_query_file_region_rsp { 1367 __le32 Flags; 1368 __le32 TotalRegionEntryCount; 1369 __le32 RegionEntryCount; 1370 __u32 Reserved; 1371 struct file_region_info Regions[]; 1372 } __packed; 1373 1374 /* See MS-FSCC 2.3.58 */ 1375 struct fsctl_query_on_disk_vol_info_rsp { 1376 __le64 DirectoryCount; 1377 __le64 FileCount; 1378 __le16 FsFormatMajVersion; 1379 __le16 FsFormatMinVersion; 1380 __u8 FsFormatName[24]; 1381 __le64 FormatTime; 1382 __le64 LastUpdateTime; 1383 __u8 CopyrightInfo[68]; 1384 __u8 AbstractInfo[68]; 1385 __u8 FormatImplInfo[68]; 1386 __u8 LastModifyImplInfo[68]; 1387 } __packed; 1388 1389 /* See MS-FSCC 2.3.73 */ 1390 struct fsctl_set_integrity_information_req { 1391 __le16 ChecksumAlgorithm; 1392 __le16 Reserved; 1393 __le32 Flags; 1394 } __packed; 1395 1396 /* See MS-FSCC 2.3.75 */ 1397 struct fsctl_set_integrity_info_ex_req { 1398 __u8 EnableIntegrity; 1399 __u8 KeepState; 1400 __u16 Reserved; 1401 __le32 Flags; 1402 __u8 Version; 1403 __u8 Reserved2[7]; 1404 } __packed; 1405 1406 /* Integrity ChecksumAlgorithm choices for above */ 1407 #define CHECKSUM_TYPE_NONE 0x0000 1408 #define CHECKSUM_TYPE_CRC64 0x0002 1409 #define CHECKSUM_TYPE_UNCHANGED 0xFFFF /* set only */ 1410 1411 /* Integrity flags for above */ 1412 #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x00000001 1413 1414 /* Reparse structures - see MS-FSCC 2.1.2 */ 1415 1416 /* struct fsctl_reparse_info_req is empty, only response structs (see below) */ 1417 struct reparse_data_buffer { 1418 __le32 ReparseTag; 1419 __le16 ReparseDataLength; 1420 __u16 Reserved; 1421 __u8 DataBuffer[]; /* Variable Length */ 1422 } __packed; 1423 1424 struct reparse_guid_data_buffer { 1425 __le32 ReparseTag; 1426 __le16 ReparseDataLength; 1427 __u16 Reserved; 1428 __u8 ReparseGuid[16]; 1429 __u8 DataBuffer[]; /* Variable Length */ 1430 } __packed; 1431 1432 struct reparse_mount_point_data_buffer { 1433 __le32 ReparseTag; 1434 __le16 ReparseDataLength; 1435 __u16 Reserved; 1436 __le16 SubstituteNameOffset; 1437 __le16 SubstituteNameLength; 1438 __le16 PrintNameOffset; 1439 __le16 PrintNameLength; 1440 __u8 PathBuffer[]; /* Variable Length */ 1441 } __packed; 1442 1443 #define SYMLINK_FLAG_RELATIVE 0x00000001 1444 1445 struct reparse_symlink_data_buffer { 1446 __le32 ReparseTag; 1447 __le16 ReparseDataLength; 1448 __u16 Reserved; 1449 __le16 SubstituteNameOffset; 1450 __le16 SubstituteNameLength; 1451 __le16 PrintNameOffset; 1452 __le16 PrintNameLength; 1453 __le32 Flags; 1454 __u8 PathBuffer[]; /* Variable Length */ 1455 } __packed; 1456 1457 /* See MS-FSCC 2.1.2.6 and cifspdu.h for struct reparse_posix_data */ 1458 1459 struct validate_negotiate_info_req { 1460 __le32 Capabilities; 1461 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1462 __le16 SecurityMode; 1463 __le16 DialectCount; 1464 __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */ 1465 } __packed; 1466 1467 struct validate_negotiate_info_rsp { 1468 __le32 Capabilities; 1469 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1470 __le16 SecurityMode; 1471 __le16 Dialect; /* Dialect in use for the connection */ 1472 } __packed; 1473 1474 1475 /* Possible InfoType values */ 1476 #define SMB2_O_INFO_FILE 0x01 1477 #define SMB2_O_INFO_FILESYSTEM 0x02 1478 #define SMB2_O_INFO_SECURITY 0x03 1479 #define SMB2_O_INFO_QUOTA 0x04 1480 1481 /* SMB2 Query Info see MS-SMB2 (2.2.37) or MS-DTYP */ 1482 1483 /* List of QUERY INFO levels (those also valid for QUERY_DIR are noted below */ 1484 #define FILE_DIRECTORY_INFORMATION 1 /* also for QUERY_DIR */ 1485 #define FILE_FULL_DIRECTORY_INFORMATION 2 /* also for QUERY_DIR */ 1486 #define FILE_BOTH_DIRECTORY_INFORMATION 3 /* also for QUERY_DIR */ 1487 #define FILE_BASIC_INFORMATION 4 1488 #define FILE_STANDARD_INFORMATION 5 1489 #define FILE_INTERNAL_INFORMATION 6 1490 #define FILE_EA_INFORMATION 7 1491 #define FILE_ACCESS_INFORMATION 8 1492 #define FILE_NAME_INFORMATION 9 1493 #define FILE_RENAME_INFORMATION 10 1494 #define FILE_LINK_INFORMATION 11 1495 #define FILE_NAMES_INFORMATION 12 /* also for QUERY_DIR */ 1496 #define FILE_DISPOSITION_INFORMATION 13 1497 #define FILE_POSITION_INFORMATION 14 1498 #define FILE_FULL_EA_INFORMATION 15 1499 #define FILE_MODE_INFORMATION 16 1500 #define FILE_ALIGNMENT_INFORMATION 17 1501 #define FILE_ALL_INFORMATION 18 1502 #define FILE_ALLOCATION_INFORMATION 19 1503 #define FILE_END_OF_FILE_INFORMATION 20 1504 #define FILE_ALTERNATE_NAME_INFORMATION 21 1505 #define FILE_STREAM_INFORMATION 22 1506 #define FILE_PIPE_INFORMATION 23 1507 #define FILE_PIPE_LOCAL_INFORMATION 24 1508 #define FILE_PIPE_REMOTE_INFORMATION 25 1509 #define FILE_MAILSLOT_QUERY_INFORMATION 26 1510 #define FILE_MAILSLOT_SET_INFORMATION 27 1511 #define FILE_COMPRESSION_INFORMATION 28 1512 #define FILE_OBJECT_ID_INFORMATION 29 1513 /* Number 30 not defined in documents */ 1514 #define FILE_MOVE_CLUSTER_INFORMATION 31 1515 #define FILE_QUOTA_INFORMATION 32 1516 #define FILE_REPARSE_POINT_INFORMATION 33 1517 #define FILE_NETWORK_OPEN_INFORMATION 34 1518 #define FILE_ATTRIBUTE_TAG_INFORMATION 35 1519 #define FILE_TRACKING_INFORMATION 36 1520 #define FILEID_BOTH_DIRECTORY_INFORMATION 37 /* also for QUERY_DIR */ 1521 #define FILEID_FULL_DIRECTORY_INFORMATION 38 /* also for QUERY_DIR */ 1522 #define FILE_VALID_DATA_LENGTH_INFORMATION 39 1523 #define FILE_SHORT_NAME_INFORMATION 40 1524 #define FILE_SFIO_RESERVE_INFORMATION 44 1525 #define FILE_SFIO_VOLUME_INFORMATION 45 1526 #define FILE_HARD_LINK_INFORMATION 46 1527 #define FILE_NORMALIZED_NAME_INFORMATION 48 1528 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50 1529 #define FILE_STANDARD_LINK_INFORMATION 54 1530 #define FILE_ID_INFORMATION 59 1531 #define FILE_ID_EXTD_DIRECTORY_INFORMATION 60 /* also for QUERY_DIR */ 1532 /* Used for Query Info and Find File POSIX Info for SMB3.1.1 and SMB1 */ 1533 #define SMB_FIND_FILE_POSIX_INFO 0x064 1534 1535 /* Security info type additionalinfo flags. */ 1536 #define OWNER_SECINFO 0x00000001 1537 #define GROUP_SECINFO 0x00000002 1538 #define DACL_SECINFO 0x00000004 1539 #define SACL_SECINFO 0x00000008 1540 #define LABEL_SECINFO 0x00000010 1541 #define ATTRIBUTE_SECINFO 0x00000020 1542 #define SCOPE_SECINFO 0x00000040 1543 #define BACKUP_SECINFO 0x00010000 1544 #define UNPROTECTED_SACL_SECINFO 0x10000000 1545 #define UNPROTECTED_DACL_SECINFO 0x20000000 1546 #define PROTECTED_SACL_SECINFO 0x40000000 1547 #define PROTECTED_DACL_SECINFO 0x80000000 1548 1549 /* Flags used for FileFullEAinfo */ 1550 #define SL_RESTART_SCAN 0x00000001 1551 #define SL_RETURN_SINGLE_ENTRY 0x00000002 1552 #define SL_INDEX_SPECIFIED 0x00000004 1553 1554 struct smb2_query_info_req { 1555 struct smb2_hdr hdr; 1556 __le16 StructureSize; /* Must be 41 */ 1557 __u8 InfoType; 1558 __u8 FileInfoClass; 1559 __le32 OutputBufferLength; 1560 __le16 InputBufferOffset; 1561 __u16 Reserved; 1562 __le32 InputBufferLength; 1563 __le32 AdditionalInformation; 1564 __le32 Flags; 1565 __u64 PersistentFileId; 1566 __u64 VolatileFileId; 1567 __u8 Buffer[]; 1568 } __packed; 1569 1570 struct smb2_query_info_rsp { 1571 struct smb2_hdr hdr; 1572 __le16 StructureSize; /* Must be 9 */ 1573 __le16 OutputBufferOffset; 1574 __le32 OutputBufferLength; 1575 __u8 Buffer[]; 1576 } __packed; 1577 1578 /* 1579 * PDU query infolevel structure definitions 1580 */ 1581 1582 /* See MS-FSCC 2.3.52 */ 1583 struct file_allocated_range_buffer { 1584 __le64 file_offset; 1585 __le64 length; 1586 } __packed; 1587 1588 struct smb2_file_internal_info { 1589 __le64 IndexNumber; 1590 } __packed; /* level 6 Query */ 1591 1592 struct smb2_file_rename_info { /* encoding of request for level 10 */ 1593 __u8 ReplaceIfExists; /* 1 = replace existing target with new */ 1594 /* 0 = fail if target already exists */ 1595 __u8 Reserved[7]; 1596 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1597 __le32 FileNameLength; 1598 char FileName[]; /* New name to be assigned */ 1599 /* padding - overall struct size must be >= 24 so filename + pad >= 6 */ 1600 } __packed; /* level 10 Set */ 1601 1602 struct smb2_file_link_info { /* encoding of request for level 11 */ 1603 __u8 ReplaceIfExists; /* 1 = replace existing link with new */ 1604 /* 0 = fail if link already exists */ 1605 __u8 Reserved[7]; 1606 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1607 __le32 FileNameLength; 1608 char FileName[]; /* Name to be assigned to new link */ 1609 } __packed; /* level 11 Set */ 1610 1611 /* 1612 * This level 18, although with struct with same name is different from cifs 1613 * level 0x107. Level 0x107 has an extra u64 between AccessFlags and 1614 * CurrentByteOffset. 1615 */ 1616 struct smb2_file_all_info { /* data block encoding of response to level 18 */ 1617 __le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */ 1618 __le64 LastAccessTime; 1619 __le64 LastWriteTime; 1620 __le64 ChangeTime; 1621 __le32 Attributes; 1622 __u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */ 1623 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 1624 __le64 EndOfFile; /* size ie offset to first free byte in file */ 1625 __le32 NumberOfLinks; /* hard links */ 1626 __u8 DeletePending; 1627 __u8 Directory; 1628 __u16 Pad2; /* End of FILE_STANDARD_INFO equivalent */ 1629 __le64 IndexNumber; 1630 __le32 EASize; 1631 __le32 AccessFlags; 1632 __le64 CurrentByteOffset; 1633 __le32 Mode; 1634 __le32 AlignmentRequirement; 1635 __le32 FileNameLength; 1636 union { 1637 char __pad; /* Legacy structure padding */ 1638 DECLARE_FLEX_ARRAY(char, FileName); 1639 }; 1640 } __packed; /* level 18 Query */ 1641 1642 struct smb2_file_eof_info { /* encoding of request for level 10 */ 1643 __le64 EndOfFile; /* new end of file value */ 1644 } __packed; /* level 20 Set */ 1645 1646 /* Level 100 query info */ 1647 struct smb311_posix_qinfo { 1648 __le64 CreationTime; 1649 __le64 LastAccessTime; 1650 __le64 LastWriteTime; 1651 __le64 ChangeTime; 1652 __le64 EndOfFile; 1653 __le64 AllocationSize; 1654 __le32 DosAttributes; 1655 __le64 Inode; 1656 __le32 DeviceId; 1657 __le32 Zero; 1658 /* beginning of POSIX Create Context Response */ 1659 __le32 HardLinks; 1660 __le32 ReparseTag; 1661 __le32 Mode; 1662 u8 Sids[]; 1663 /* 1664 * var sized owner SID 1665 * var sized group SID 1666 * le32 filenamelength 1667 * u8 filename[] 1668 */ 1669 } __packed; 1670 1671 /* File System Information Classes */ 1672 #define FS_VOLUME_INFORMATION 1 /* Query */ 1673 #define FS_LABEL_INFORMATION 2 /* Set */ 1674 #define FS_SIZE_INFORMATION 3 /* Query */ 1675 #define FS_DEVICE_INFORMATION 4 /* Query */ 1676 #define FS_ATTRIBUTE_INFORMATION 5 /* Query */ 1677 #define FS_CONTROL_INFORMATION 6 /* Query, Set */ 1678 #define FS_FULL_SIZE_INFORMATION 7 /* Query */ 1679 #define FS_OBJECT_ID_INFORMATION 8 /* Query, Set */ 1680 #define FS_DRIVER_PATH_INFORMATION 9 /* Query */ 1681 #define FS_SECTOR_SIZE_INFORMATION 11 /* SMB3 or later. Query */ 1682 #define FS_POSIX_INFORMATION 100 /* SMB3.1.1 POSIX. Query */ 1683 1684 struct smb2_fs_full_size_info { 1685 __le64 TotalAllocationUnits; 1686 __le64 CallerAvailableAllocationUnits; 1687 __le64 ActualAvailableAllocationUnits; 1688 __le32 SectorsPerAllocationUnit; 1689 __le32 BytesPerSector; 1690 } __packed; 1691 1692 #define SSINFO_FLAGS_ALIGNED_DEVICE 0x00000001 1693 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002 1694 #define SSINFO_FLAGS_NO_SEEK_PENALTY 0x00000004 1695 #define SSINFO_FLAGS_TRIM_ENABLED 0x00000008 1696 1697 /* sector size info struct */ 1698 struct smb3_fs_ss_info { 1699 __le32 LogicalBytesPerSector; 1700 __le32 PhysicalBytesPerSectorForAtomicity; 1701 __le32 PhysicalBytesPerSectorForPerf; 1702 __le32 FSEffPhysicalBytesPerSectorForAtomicity; 1703 __le32 Flags; 1704 __le32 ByteOffsetForSectorAlignment; 1705 __le32 ByteOffsetForPartitionAlignment; 1706 } __packed; 1707 1708 /* File System Control Information */ 1709 struct smb2_fs_control_info { 1710 __le64 FreeSpaceStartFiltering; 1711 __le64 FreeSpaceThreshold; 1712 __le64 FreeSpaceStopFiltering; 1713 __le64 DefaultQuotaThreshold; 1714 __le64 DefaultQuotaLimit; 1715 __le32 FileSystemControlFlags; 1716 __le32 Padding; 1717 } __packed; 1718 1719 /* volume info struct - see MS-FSCC 2.5.9 */ 1720 #define MAX_VOL_LABEL_LEN 32 1721 struct smb3_fs_vol_info { 1722 __le64 VolumeCreationTime; 1723 __u32 VolumeSerialNumber; 1724 __le32 VolumeLabelLength; /* includes trailing null */ 1725 __u8 SupportsObjects; /* True if eg like NTFS, supports objects */ 1726 __u8 Reserved; 1727 __u8 VolumeLabel[]; /* variable len */ 1728 } __packed; 1729 1730 /* See MS-SMB2 2.2.23 through 2.2.25 */ 1731 struct smb2_oplock_break { 1732 struct smb2_hdr hdr; 1733 __le16 StructureSize; /* Must be 24 */ 1734 __u8 OplockLevel; 1735 __u8 Reserved; 1736 __le32 Reserved2; 1737 __u64 PersistentFid; 1738 __u64 VolatileFid; 1739 } __packed; 1740 1741 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01) 1742 1743 struct smb2_lease_break { 1744 struct smb2_hdr hdr; 1745 __le16 StructureSize; /* Must be 44 */ 1746 __le16 Epoch; 1747 __le32 Flags; 1748 __u8 LeaseKey[16]; 1749 __le32 CurrentLeaseState; 1750 __le32 NewLeaseState; 1751 __le32 BreakReason; 1752 __le32 AccessMaskHint; 1753 __le32 ShareMaskHint; 1754 } __packed; 1755 1756 struct smb2_lease_ack { 1757 struct smb2_hdr hdr; 1758 __le16 StructureSize; /* Must be 36 */ 1759 __le16 Reserved; 1760 __le32 Flags; 1761 __u8 LeaseKey[16]; 1762 __le32 LeaseState; 1763 __le64 LeaseDuration; 1764 } __packed; 1765 1766 #define OP_BREAK_STRUCT_SIZE_20 24 1767 #define OP_BREAK_STRUCT_SIZE_21 36 1768 #endif /* _COMMON_SMB2PDU_H */ 1769