1 /* SPDX-License-Identifier: LGPL-2.1 */ 2 #ifndef _COMMON_SMB2PDU_H 3 #define _COMMON_SMB2PDU_H 4 5 /* 6 * Note that, due to trying to use names similar to the protocol specifications, 7 * there are many mixed case field names in the structures below. Although 8 * this does not match typical Linux kernel style, it is necessary to be 9 * able to match against the protocol specfication. 10 * 11 * SMB2 commands 12 * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses 13 * (ie no useful data other than the SMB error code itself) and are marked such. 14 * Knowing this helps avoid response buffer allocations and copy in some cases. 15 */ 16 17 /* List of commands in host endian */ 18 #define SMB2_NEGOTIATE_HE 0x0000 19 #define SMB2_SESSION_SETUP_HE 0x0001 20 #define SMB2_LOGOFF_HE 0x0002 /* trivial request/resp */ 21 #define SMB2_TREE_CONNECT_HE 0x0003 22 #define SMB2_TREE_DISCONNECT_HE 0x0004 /* trivial req/resp */ 23 #define SMB2_CREATE_HE 0x0005 24 #define SMB2_CLOSE_HE 0x0006 25 #define SMB2_FLUSH_HE 0x0007 /* trivial resp */ 26 #define SMB2_READ_HE 0x0008 27 #define SMB2_WRITE_HE 0x0009 28 #define SMB2_LOCK_HE 0x000A 29 #define SMB2_IOCTL_HE 0x000B 30 #define SMB2_CANCEL_HE 0x000C 31 #define SMB2_ECHO_HE 0x000D 32 #define SMB2_QUERY_DIRECTORY_HE 0x000E 33 #define SMB2_CHANGE_NOTIFY_HE 0x000F 34 #define SMB2_QUERY_INFO_HE 0x0010 35 #define SMB2_SET_INFO_HE 0x0011 36 #define SMB2_OPLOCK_BREAK_HE 0x0012 37 #define SMB2_SERVER_TO_CLIENT_NOTIFICATION 0x0013 38 39 /* The same list in little endian */ 40 #define SMB2_NEGOTIATE cpu_to_le16(SMB2_NEGOTIATE_HE) 41 #define SMB2_SESSION_SETUP cpu_to_le16(SMB2_SESSION_SETUP_HE) 42 #define SMB2_LOGOFF cpu_to_le16(SMB2_LOGOFF_HE) 43 #define SMB2_TREE_CONNECT cpu_to_le16(SMB2_TREE_CONNECT_HE) 44 #define SMB2_TREE_DISCONNECT cpu_to_le16(SMB2_TREE_DISCONNECT_HE) 45 #define SMB2_CREATE cpu_to_le16(SMB2_CREATE_HE) 46 #define SMB2_CLOSE cpu_to_le16(SMB2_CLOSE_HE) 47 #define SMB2_FLUSH cpu_to_le16(SMB2_FLUSH_HE) 48 #define SMB2_READ cpu_to_le16(SMB2_READ_HE) 49 #define SMB2_WRITE cpu_to_le16(SMB2_WRITE_HE) 50 #define SMB2_LOCK cpu_to_le16(SMB2_LOCK_HE) 51 #define SMB2_IOCTL cpu_to_le16(SMB2_IOCTL_HE) 52 #define SMB2_CANCEL cpu_to_le16(SMB2_CANCEL_HE) 53 #define SMB2_ECHO cpu_to_le16(SMB2_ECHO_HE) 54 #define SMB2_QUERY_DIRECTORY cpu_to_le16(SMB2_QUERY_DIRECTORY_HE) 55 #define SMB2_CHANGE_NOTIFY cpu_to_le16(SMB2_CHANGE_NOTIFY_HE) 56 #define SMB2_QUERY_INFO cpu_to_le16(SMB2_QUERY_INFO_HE) 57 #define SMB2_SET_INFO cpu_to_le16(SMB2_SET_INFO_HE) 58 #define SMB2_OPLOCK_BREAK cpu_to_le16(SMB2_OPLOCK_BREAK_HE) 59 60 #define SMB2_INTERNAL_CMD cpu_to_le16(0xFFFF) 61 62 #define NUMBER_OF_SMB2_COMMANDS 0x0013 63 64 /* 65 * Size of the session key (crypto key encrypted with the password 66 */ 67 #define SMB2_NTLMV2_SESSKEY_SIZE 16 68 #define SMB2_SIGNATURE_SIZE 16 69 #define SMB2_HMACSHA256_SIZE 32 70 #define SMB2_CMACAES_SIZE 16 71 #define SMB3_GCM128_CRYPTKEY_SIZE 16 72 #define SMB3_GCM256_CRYPTKEY_SIZE 32 73 74 /* 75 * Size of the smb3 encryption/decryption keys 76 * This size is big enough to store any cipher key types. 77 */ 78 #define SMB3_ENC_DEC_KEY_SIZE 32 79 80 /* 81 * Size of the smb3 signing key 82 */ 83 #define SMB3_SIGN_KEY_SIZE 16 84 85 #define CIFS_CLIENT_CHALLENGE_SIZE 8 86 87 /* Maximum buffer size value we can send with 1 credit */ 88 #define SMB2_MAX_BUFFER_SIZE 65536 89 90 /* 91 * The default wsize is 1M for SMB2 (and for some CIFS cases). 92 * find_get_pages seems to return a maximum of 256 93 * pages in a single call. With PAGE_SIZE == 4k, this means we can 94 * fill a single wsize request with a single call. 95 */ 96 #define SMB3_DEFAULT_IOSIZE (4 * 1024 * 1024) 97 98 /* 99 * SMB2 Header Definition 100 * 101 * "MBZ" : Must be Zero 102 * "BB" : BugBug, Something to check/review/analyze later 103 * "PDU" : "Protocol Data Unit" (ie a network "frame") 104 * 105 */ 106 107 #define __SMB2_HEADER_STRUCTURE_SIZE 64 108 #define SMB2_HEADER_STRUCTURE_SIZE \ 109 cpu_to_le16(__SMB2_HEADER_STRUCTURE_SIZE) 110 111 #define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe) 112 #define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd) 113 #define SMB2_COMPRESSION_TRANSFORM_ID cpu_to_le32(0x424d53fc) 114 115 /* 116 * SMB2 flag definitions 117 */ 118 #define SMB2_FLAGS_SERVER_TO_REDIR cpu_to_le32(0x00000001) 119 #define SMB2_FLAGS_ASYNC_COMMAND cpu_to_le32(0x00000002) 120 #define SMB2_FLAGS_RELATED_OPERATIONS cpu_to_le32(0x00000004) 121 #define SMB2_FLAGS_SIGNED cpu_to_le32(0x00000008) 122 #define SMB2_FLAGS_PRIORITY_MASK cpu_to_le32(0x00000070) /* SMB3.1.1 */ 123 #define SMB2_FLAGS_DFS_OPERATIONS cpu_to_le32(0x10000000) 124 #define SMB2_FLAGS_REPLAY_OPERATION cpu_to_le32(0x20000000) /* SMB3 & up */ 125 126 /* 127 * Definitions for SMB2 Protocol Data Units (network frames) 128 * 129 * See MS-SMB2.PDF specification for protocol details. 130 * The Naming convention is the lower case version of the SMB2 131 * command code name for the struct. Note that structures must be packed. 132 * 133 */ 134 135 /* See MS-SMB2 section 2.2.1 */ 136 struct smb2_hdr { 137 __le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */ 138 __le16 StructureSize; /* 64 */ 139 __le16 CreditCharge; /* MBZ */ 140 __le32 Status; /* Error from server */ 141 __le16 Command; 142 __le16 CreditRequest; /* CreditResponse */ 143 __le32 Flags; 144 __le32 NextCommand; 145 __le64 MessageId; 146 union { 147 struct { 148 __le32 ProcessId; 149 __le32 TreeId; 150 } __packed SyncId; 151 __le64 AsyncId; 152 } __packed Id; 153 __le64 SessionId; 154 __u8 Signature[16]; 155 } __packed; 156 157 struct smb3_hdr_req { 158 __le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */ 159 __le16 StructureSize; /* 64 */ 160 __le16 CreditCharge; /* MBZ */ 161 __le16 ChannelSequence; /* See MS-SMB2 3.2.4.1 and 3.2.7.1 */ 162 __le16 Reserved; 163 __le16 Command; 164 __le16 CreditRequest; /* CreditResponse */ 165 __le32 Flags; 166 __le32 NextCommand; 167 __le64 MessageId; 168 union { 169 struct { 170 __le32 ProcessId; 171 __le32 TreeId; 172 } __packed SyncId; 173 __le64 AsyncId; 174 } __packed Id; 175 __le64 SessionId; 176 __u8 Signature[16]; 177 } __packed; 178 179 struct smb2_pdu { 180 struct smb2_hdr hdr; 181 __le16 StructureSize2; /* size of wct area (varies, request specific) */ 182 } __packed; 183 184 #define SMB2_ERROR_STRUCTURE_SIZE2 9 185 #define SMB2_ERROR_STRUCTURE_SIZE2_LE cpu_to_le16(SMB2_ERROR_STRUCTURE_SIZE2) 186 187 struct smb2_err_rsp { 188 struct smb2_hdr hdr; 189 __le16 StructureSize; 190 __u8 ErrorContextCount; 191 __u8 Reserved; 192 __le32 ByteCount; /* even if zero, at least one byte follows */ 193 __u8 ErrorData[]; /* variable length */ 194 } __packed; 195 196 #define SMB3_AES_CCM_NONCE 11 197 #define SMB3_AES_GCM_NONCE 12 198 199 /* Transform flags (for 3.0 dialect this flag indicates CCM */ 200 #define TRANSFORM_FLAG_ENCRYPTED 0x0001 201 struct smb2_transform_hdr { 202 __le32 ProtocolId; /* 0xFD 'S' 'M' 'B' */ 203 __u8 Signature[16]; 204 __u8 Nonce[16]; 205 __le32 OriginalMessageSize; 206 __u16 Reserved1; 207 __le16 Flags; /* EncryptionAlgorithm for 3.0, enc enabled for 3.1.1 */ 208 __le64 SessionId; 209 } __packed; 210 211 /* 212 * These are simplified versions from the spec, as we don't need a fully fledged 213 * form of both unchained and chained structs. 214 * 215 * Moreover, even in chained compressed payloads, the initial compression header 216 * has the form of the unchained one -- i.e. it never has the 217 * OriginalPayloadSize field and ::Offset field always represent an offset 218 * (instead of a length, as it is in the chained header). 219 * 220 * See MS-SMB2 2.2.42 for more details. 221 */ 222 #define SMB2_COMPRESSION_FLAG_NONE 0x0000 223 #define SMB2_COMPRESSION_FLAG_CHAINED 0x0001 224 225 struct smb2_compression_hdr { 226 __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */ 227 __le32 OriginalCompressedSegmentSize; 228 __le16 CompressionAlgorithm; 229 __le16 Flags; 230 __le16 Offset; /* this is the size of the uncompressed SMB2 header below */ 231 /* uncompressed SMB2 header (READ or WRITE) goes here */ 232 /* compressed data goes here */ 233 } __packed; 234 235 /* 236 * ... OTOH, set compression payload header to always have OriginalPayloadSize 237 * as it's easier to pass the struct size minus sizeof(OriginalPayloadSize) 238 * than to juggle around the header/data memory. 239 */ 240 struct smb2_compression_payload_hdr { 241 __le16 CompressionAlgorithm; 242 __le16 Flags; 243 __le32 Length; /* length of compressed playload including field below if present */ 244 __le32 OriginalPayloadSize; /* accounted when LZNT1, LZ77, LZ77+Huffman */ 245 } __packed; 246 247 struct smb2_compression_pattern_v1 { 248 __u8 Pattern; 249 __u8 Reserved1; 250 __le16 Reserved2; 251 __le32 Repetitions; 252 } __packed; 253 254 /* See MS-SMB2 section 2.2.9.2 */ 255 /* Context Types */ 256 #define SMB2_RESERVED_TREE_CONNECT_CONTEXT_ID 0x0000 257 #define SMB2_REMOTED_IDENTITY_TREE_CONNECT_CONTEXT_ID cpu_to_le16(0x0001) 258 259 struct tree_connect_contexts { 260 __le16 ContextType; 261 __le16 DataLength; 262 __le32 Reserved; 263 __u8 Data[]; 264 } __packed; 265 266 /* Remoted identity tree connect context structures - see MS-SMB2 2.2.9.2.1 */ 267 struct smb3_blob_data { 268 __le16 BlobSize; 269 __u8 BlobData[]; 270 } __packed; 271 272 /* Valid values for Attr */ 273 #define SE_GROUP_MANDATORY 0x00000001 274 #define SE_GROUP_ENABLED_BY_DEFAULT 0x00000002 275 #define SE_GROUP_ENABLED 0x00000004 276 #define SE_GROUP_OWNER 0x00000008 277 #define SE_GROUP_USE_FOR_DENY_ONLY 0x00000010 278 #define SE_GROUP_INTEGRITY 0x00000020 279 #define SE_GROUP_INTEGRITY_ENABLED 0x00000040 280 #define SE_GROUP_RESOURCE 0x20000000 281 #define SE_GROUP_LOGON_ID 0xC0000000 282 283 /* struct sid_attr_data is SidData array in BlobData format then le32 Attr */ 284 285 struct sid_array_data { 286 __le16 SidAttrCount; 287 /* SidAttrList - array of sid_attr_data structs */ 288 } __packed; 289 290 struct luid_attr_data { 291 292 } __packed; 293 294 /* 295 * struct privilege_data is the same as BLOB_DATA - see MS-SMB2 2.2.9.2.1.5 296 * but with size of LUID_ATTR_DATA struct and BlobData set to LUID_ATTR DATA 297 */ 298 299 struct privilege_array_data { 300 __le16 PrivilegeCount; 301 /* array of privilege_data structs */ 302 } __packed; 303 304 struct remoted_identity_tcon_context { 305 __le16 TicketType; /* must be 0x0001 */ 306 __le16 TicketSize; /* total size of this struct */ 307 __le16 User; /* offset to SID_ATTR_DATA struct with user info */ 308 __le16 UserName; /* offset to null terminated Unicode username string */ 309 __le16 Domain; /* offset to null terminated Unicode domain name */ 310 __le16 Groups; /* offset to SID_ARRAY_DATA struct with group info */ 311 __le16 RestrictedGroups; /* similar to above */ 312 __le16 Privileges; /* offset to PRIVILEGE_ARRAY_DATA struct */ 313 __le16 PrimaryGroup; /* offset to SID_ARRAY_DATA struct */ 314 __le16 Owner; /* offset to BLOB_DATA struct */ 315 __le16 DefaultDacl; /* offset to BLOB_DATA struct */ 316 __le16 DeviceGroups; /* offset to SID_ARRAY_DATA struct */ 317 __le16 UserClaims; /* offset to BLOB_DATA struct */ 318 __le16 DeviceClaims; /* offset to BLOB_DATA struct */ 319 __u8 TicketInfo[]; /* variable length buf - remoted identity data */ 320 } __packed; 321 322 struct smb2_tree_connect_req_extension { 323 __le32 TreeConnectContextOffset; 324 __le16 TreeConnectContextCount; 325 __u8 Reserved[10]; 326 __u8 PathName[]; /* variable sized array */ 327 /* followed by array of TreeConnectContexts */ 328 } __packed; 329 330 /* Flags/Reserved for SMB3.1.1 */ 331 #define SMB2_TREE_CONNECT_FLAG_CLUSTER_RECONNECT cpu_to_le16(0x0001) 332 #define SMB2_TREE_CONNECT_FLAG_REDIRECT_TO_OWNER cpu_to_le16(0x0002) 333 #define SMB2_TREE_CONNECT_FLAG_EXTENSION_PRESENT cpu_to_le16(0x0004) 334 335 struct smb2_tree_connect_req { 336 struct smb2_hdr hdr; 337 __le16 StructureSize; /* Must be 9 */ 338 __le16 Flags; /* Flags in SMB3.1.1 */ 339 __le16 PathOffset; 340 __le16 PathLength; 341 __u8 Buffer[]; /* variable length */ 342 } __packed; 343 344 /* Possible ShareType values */ 345 #define SMB2_SHARE_TYPE_DISK 0x01 346 #define SMB2_SHARE_TYPE_PIPE 0x02 347 #define SMB2_SHARE_TYPE_PRINT 0x03 348 349 /* 350 * Possible ShareFlags - exactly one and only one of the first 4 caching flags 351 * must be set (any of the remaining, SHI1005, flags may be set individually 352 * or in combination. 353 */ 354 #define SMB2_SHAREFLAG_MANUAL_CACHING 0x00000000 355 #define SMB2_SHAREFLAG_AUTO_CACHING 0x00000010 356 #define SMB2_SHAREFLAG_VDO_CACHING 0x00000020 357 #define SMB2_SHAREFLAG_NO_CACHING 0x00000030 358 #define SHI1005_FLAGS_DFS 0x00000001 359 #define SHI1005_FLAGS_DFS_ROOT 0x00000002 360 #define SMB2_SHAREFLAG_RESTRICT_EXCLUSIVE_OPENS 0x00000100 361 #define SMB2_SHAREFLAG_FORCE_SHARED_DELETE 0x00000200 362 #define SMB2_SHAREFLAG_ALLOW_NAMESPACE_CACHING 0x00000400 363 #define SMB2_SHAREFLAG_ACCESS_BASED_DIRECTORY_ENUM 0x00000800 364 #define SMB2_SHAREFLAG_FORCE_LEVELII_OPLOCK 0x00001000 365 #define SMB2_SHAREFLAG_ENABLE_HASH_V1 0x00002000 366 #define SMB2_SHAREFLAG_ENABLE_HASH_V2 0x00004000 367 #define SHI1005_FLAGS_ENCRYPT_DATA 0x00008000 368 #define SMB2_SHAREFLAG_IDENTITY_REMOTING 0x00040000 /* 3.1.1 */ 369 #define SMB2_SHAREFLAG_COMPRESS_DATA 0x00100000 /* 3.1.1 */ 370 #define SMB2_SHAREFLAG_ISOLATED_TRANSPORT 0x00200000 371 #define SHI1005_FLAGS_ALL 0x0034FF33 372 373 /* Possible share capabilities */ 374 #define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) /* all dialects */ 375 #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */ 376 #define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */ 377 #define SMB2_SHARE_CAP_CLUSTER cpu_to_le32(0x00000040) /* 3.0 */ 378 #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */ 379 #define SMB2_SHARE_CAP_REDIRECT_TO_OWNER cpu_to_le32(0x00000100) /* 3.1.1 */ 380 381 struct smb2_tree_connect_rsp { 382 struct smb2_hdr hdr; 383 __le16 StructureSize; /* Must be 16 */ 384 __u8 ShareType; /* see below */ 385 __u8 Reserved; 386 __le32 ShareFlags; /* see below */ 387 __le32 Capabilities; /* see below */ 388 __le32 MaximalAccess; 389 } __packed; 390 391 struct smb2_tree_disconnect_req { 392 struct smb2_hdr hdr; 393 __le16 StructureSize; /* Must be 4 */ 394 __le16 Reserved; 395 } __packed; 396 397 struct smb2_tree_disconnect_rsp { 398 struct smb2_hdr hdr; 399 __le16 StructureSize; /* Must be 4 */ 400 __le16 Reserved; 401 } __packed; 402 403 404 /* 405 * SMB2_NEGOTIATE_PROTOCOL See MS-SMB2 section 2.2.3 406 */ 407 /* SecurityMode flags */ 408 #define SMB2_NEGOTIATE_SIGNING_ENABLED 0x0001 409 #define SMB2_NEGOTIATE_SIGNING_ENABLED_LE cpu_to_le16(0x0001) 410 #define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002 411 #define SMB2_NEGOTIATE_SIGNING_REQUIRED_LE cpu_to_le16(0x0002) 412 #define SMB2_SEC_MODE_FLAGS_ALL 0x0003 413 414 /* Capabilities flags */ 415 #define SMB2_GLOBAL_CAP_DFS 0x00000001 416 #define SMB2_GLOBAL_CAP_LEASING 0x00000002 /* Resp only New to SMB2.1 */ 417 #define SMB2_GLOBAL_CAP_LARGE_MTU 0x00000004 /* Resp only New to SMB2.1 */ 418 #define SMB2_GLOBAL_CAP_MULTI_CHANNEL 0x00000008 /* New to SMB3 */ 419 #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */ 420 #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING 0x00000020 /* New to SMB3 */ 421 #define SMB2_GLOBAL_CAP_ENCRYPTION 0x00000040 /* New to SMB3 */ 422 #define SMB2_GLOBAL_CAP_NOTIFICATIONS 0x00000080 /* New to SMB3.1.1 */ 423 /* Internal types */ 424 #define SMB2_NT_FIND 0x00100000 425 #define SMB2_LARGE_FILES 0x00200000 426 427 #define SMB2_CLIENT_GUID_SIZE 16 428 #define SMB2_CREATE_GUID_SIZE 16 429 430 /* Dialects */ 431 #define SMB10_PROT_ID 0x0000 /* local only, not sent on wire w/CIFS negprot */ 432 #define SMB20_PROT_ID 0x0202 433 #define SMB21_PROT_ID 0x0210 434 #define SMB2X_PROT_ID 0x02FF 435 #define SMB30_PROT_ID 0x0300 436 #define SMB302_PROT_ID 0x0302 437 #define SMB311_PROT_ID 0x0311 438 #define BAD_PROT_ID 0xFFFF 439 440 #define SMB311_SALT_SIZE 32 441 /* Hash Algorithm Types */ 442 #define SMB2_PREAUTH_INTEGRITY_SHA512 cpu_to_le16(0x0001) 443 #define SMB2_PREAUTH_HASH_SIZE 64 444 445 /* Negotiate Contexts - ContextTypes. See MS-SMB2 section 2.2.3.1 for details */ 446 #define SMB2_PREAUTH_INTEGRITY_CAPABILITIES cpu_to_le16(1) 447 #define SMB2_ENCRYPTION_CAPABILITIES cpu_to_le16(2) 448 #define SMB2_COMPRESSION_CAPABILITIES cpu_to_le16(3) 449 #define SMB2_NETNAME_NEGOTIATE_CONTEXT_ID cpu_to_le16(5) 450 #define SMB2_TRANSPORT_CAPABILITIES cpu_to_le16(6) 451 #define SMB2_RDMA_TRANSFORM_CAPABILITIES cpu_to_le16(7) 452 #define SMB2_SIGNING_CAPABILITIES cpu_to_le16(8) 453 #define SMB2_POSIX_EXTENSIONS_AVAILABLE cpu_to_le16(0x100) 454 455 struct smb2_neg_context { 456 __le16 ContextType; 457 __le16 DataLength; 458 __le32 Reserved; 459 /* Followed by array of data. NOTE: some servers require padding to 8 byte boundary */ 460 } __packed; 461 462 /* 463 * SaltLength that the server send can be zero, so the only three required 464 * fields (all __le16) end up six bytes total, so the minimum context data len 465 * in the response is six bytes which accounts for 466 * 467 * HashAlgorithmCount, SaltLength, and 1 HashAlgorithm. 468 */ 469 #define MIN_PREAUTH_CTXT_DATA_LEN 6 470 471 struct smb2_preauth_neg_context { 472 __le16 ContextType; /* 1 */ 473 __le16 DataLength; 474 __le32 Reserved; 475 __le16 HashAlgorithmCount; /* 1 */ 476 __le16 SaltLength; 477 __le16 HashAlgorithms; /* HashAlgorithms[0] since only one defined */ 478 __u8 Salt[SMB311_SALT_SIZE]; 479 } __packed; 480 481 /* Encryption Algorithms Ciphers */ 482 #define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001) 483 #define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002) 484 #define SMB2_ENCRYPTION_AES256_CCM cpu_to_le16(0x0003) 485 #define SMB2_ENCRYPTION_AES256_GCM cpu_to_le16(0x0004) 486 487 /* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */ 488 #define MIN_ENCRYPT_CTXT_DATA_LEN 4 489 struct smb2_encryption_neg_context { 490 __le16 ContextType; /* 2 */ 491 __le16 DataLength; 492 __le32 Reserved; 493 /* CipherCount usally 2, but can be 3 when AES256-GCM enabled */ 494 __le16 CipherCount; /* AES128-GCM and AES128-CCM by default */ 495 __le16 Ciphers[]; 496 } __packed; 497 498 /* See MS-SMB2 2.2.3.1.3 */ 499 #define SMB3_COMPRESS_NONE cpu_to_le16(0x0000) 500 #define SMB3_COMPRESS_LZNT1 cpu_to_le16(0x0001) 501 #define SMB3_COMPRESS_LZ77 cpu_to_le16(0x0002) 502 #define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003) 503 /* Pattern scanning algorithm See MS-SMB2 3.1.4.4.1 */ 504 #define SMB3_COMPRESS_PATTERN cpu_to_le16(0x0004) /* Pattern_V1 */ 505 506 /* Compression Flags */ 507 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_NONE cpu_to_le32(0x00000000) 508 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_CHAINED cpu_to_le32(0x00000001) 509 510 struct smb2_compression_capabilities_context { 511 __le16 ContextType; /* 3 */ 512 __le16 DataLength; 513 __le32 Reserved; 514 __le16 CompressionAlgorithmCount; 515 __le16 Padding; 516 __le32 Flags; 517 __le16 CompressionAlgorithms[3]; 518 __u16 Pad; /* Some servers require pad to DataLen multiple of 8 */ 519 /* Check if pad needed */ 520 } __packed; 521 522 /* 523 * For smb2_netname_negotiate_context_id See MS-SMB2 2.2.3.1.4. 524 * Its struct simply contains NetName, an array of Unicode characters 525 */ 526 struct smb2_netname_neg_context { 527 __le16 ContextType; /* 5 */ 528 __le16 DataLength; 529 __le32 Reserved; 530 __le16 NetName[]; /* hostname of target converted to UCS-2 */ 531 } __packed; 532 533 /* 534 * For smb2_transport_capabilities context see MS-SMB2 2.2.3.1.5 535 * and 2.2.4.1.5 536 */ 537 538 /* Flags */ 539 #define SMB2_ACCEPT_TRANSPORT_LEVEL_SECURITY 0x00000001 540 541 struct smb2_transport_capabilities_context { 542 __le16 ContextType; /* 6 */ 543 __le16 DataLength; 544 __u32 Reserved; 545 __le32 Flags; 546 __u32 Pad; 547 } __packed; 548 549 /* 550 * For rdma transform capabilities context see MS-SMB2 2.2.3.1.6 551 * and 2.2.4.1.6 552 */ 553 554 /* RDMA Transform IDs */ 555 #define SMB2_RDMA_TRANSFORM_NONE 0x0000 556 #define SMB2_RDMA_TRANSFORM_ENCRYPTION 0x0001 557 #define SMB2_RDMA_TRANSFORM_SIGNING 0x0002 558 559 struct smb2_rdma_transform_capabilities_context { 560 __le16 ContextType; /* 7 */ 561 __le16 DataLength; 562 __u32 Reserved; 563 __le16 TransformCount; 564 __u16 Reserved1; 565 __u32 Reserved2; 566 __le16 RDMATransformIds[]; 567 } __packed; 568 569 /* 570 * For signing capabilities context see MS-SMB2 2.2.3.1.7 571 * and 2.2.4.1.7 572 */ 573 574 /* Signing algorithms */ 575 #define SIGNING_ALG_HMAC_SHA256 0 576 #define SIGNING_ALG_HMAC_SHA256_LE cpu_to_le16(0) 577 #define SIGNING_ALG_AES_CMAC 1 578 #define SIGNING_ALG_AES_CMAC_LE cpu_to_le16(1) 579 #define SIGNING_ALG_AES_GMAC 2 580 #define SIGNING_ALG_AES_GMAC_LE cpu_to_le16(2) 581 582 struct smb2_signing_capabilities { 583 __le16 ContextType; /* 8 */ 584 __le16 DataLength; 585 __le32 Reserved; 586 __le16 SigningAlgorithmCount; 587 __le16 SigningAlgorithms[]; 588 /* Followed by padding to 8 byte boundary (required by some servers) */ 589 } __packed; 590 591 #define POSIX_CTXT_DATA_LEN 16 592 struct smb2_posix_neg_context { 593 __le16 ContextType; /* 0x100 */ 594 __le16 DataLength; 595 __le32 Reserved; 596 __u8 Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */ 597 } __packed; 598 599 struct smb2_negotiate_req { 600 struct smb2_hdr hdr; 601 __le16 StructureSize; /* Must be 36 */ 602 __le16 DialectCount; 603 __le16 SecurityMode; 604 __le16 Reserved; /* MBZ */ 605 __le32 Capabilities; 606 __u8 ClientGUID[SMB2_CLIENT_GUID_SIZE]; 607 /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */ 608 __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */ 609 __le16 NegotiateContextCount; /* SMB3.1.1 only. MBZ earlier */ 610 __le16 Reserved2; 611 __le16 Dialects[]; 612 } __packed; 613 614 struct smb2_negotiate_rsp { 615 struct smb2_hdr hdr; 616 __le16 StructureSize; /* Must be 65 */ 617 __le16 SecurityMode; 618 __le16 DialectRevision; 619 __le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */ 620 __u8 ServerGUID[16]; 621 __le32 Capabilities; 622 __le32 MaxTransactSize; 623 __le32 MaxReadSize; 624 __le32 MaxWriteSize; 625 __le64 SystemTime; /* MBZ */ 626 __le64 ServerStartTime; 627 __le16 SecurityBufferOffset; 628 __le16 SecurityBufferLength; 629 __le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */ 630 __u8 Buffer[]; /* variable length GSS security buffer */ 631 } __packed; 632 633 634 /* 635 * SMB2_SESSION_SETUP See MS-SMB2 section 2.2.5 636 */ 637 /* Flags */ 638 #define SMB2_SESSION_REQ_FLAG_BINDING 0x01 639 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04 640 641 struct smb2_sess_setup_req { 642 struct smb2_hdr hdr; 643 __le16 StructureSize; /* Must be 25 */ 644 __u8 Flags; 645 __u8 SecurityMode; 646 __le32 Capabilities; 647 __le32 Channel; 648 __le16 SecurityBufferOffset; 649 __le16 SecurityBufferLength; 650 __le64 PreviousSessionId; 651 __u8 Buffer[]; /* variable length GSS security buffer */ 652 } __packed; 653 654 /* Currently defined SessionFlags */ 655 #define SMB2_SESSION_FLAG_IS_GUEST 0x0001 656 #define SMB2_SESSION_FLAG_IS_GUEST_LE cpu_to_le16(0x0001) 657 #define SMB2_SESSION_FLAG_IS_NULL 0x0002 658 #define SMB2_SESSION_FLAG_IS_NULL_LE cpu_to_le16(0x0002) 659 #define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004 660 #define SMB2_SESSION_FLAG_ENCRYPT_DATA_LE cpu_to_le16(0x0004) 661 662 struct smb2_sess_setup_rsp { 663 struct smb2_hdr hdr; 664 __le16 StructureSize; /* Must be 9 */ 665 __le16 SessionFlags; 666 __le16 SecurityBufferOffset; 667 __le16 SecurityBufferLength; 668 __u8 Buffer[]; /* variable length GSS security buffer */ 669 } __packed; 670 671 672 /* 673 * SMB2_LOGOFF See MS-SMB2 section 2.2.7 674 */ 675 struct smb2_logoff_req { 676 struct smb2_hdr hdr; 677 __le16 StructureSize; /* Must be 4 */ 678 __le16 Reserved; 679 } __packed; 680 681 struct smb2_logoff_rsp { 682 struct smb2_hdr hdr; 683 __le16 StructureSize; /* Must be 4 */ 684 __le16 Reserved; 685 } __packed; 686 687 688 /* 689 * SMB2_CLOSE See MS-SMB2 section 2.2.15 690 */ 691 /* Currently defined values for close flags */ 692 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001) 693 struct smb2_close_req { 694 struct smb2_hdr hdr; 695 __le16 StructureSize; /* Must be 24 */ 696 __le16 Flags; 697 __le32 Reserved; 698 __u64 PersistentFileId; /* opaque endianness */ 699 __u64 VolatileFileId; /* opaque endianness */ 700 } __packed; 701 702 /* 703 * Maximum size of a SMB2_CLOSE response is 64 (smb2 header) + 60 (data) 704 */ 705 #define MAX_SMB2_CLOSE_RESPONSE_SIZE 124 706 707 struct smb2_close_rsp { 708 struct smb2_hdr hdr; 709 __le16 StructureSize; /* 60 */ 710 __le16 Flags; 711 __le32 Reserved; 712 struct_group(network_open_info, 713 __le64 CreationTime; 714 __le64 LastAccessTime; 715 __le64 LastWriteTime; 716 __le64 ChangeTime; 717 /* Beginning of FILE_STANDARD_INFO equivalent */ 718 __le64 AllocationSize; 719 __le64 EndOfFile; 720 __le32 Attributes; 721 ); 722 } __packed; 723 724 725 /* 726 * SMB2_READ See MS-SMB2 section 2.2.19 727 */ 728 /* For read request Flags field below, following flag is defined for SMB3.02 */ 729 #define SMB2_READFLAG_READ_UNBUFFERED 0x01 730 #define SMB2_READFLAG_REQUEST_COMPRESSED 0x02 /* See MS-SMB2 2.2.19 */ 731 732 /* Channel field for read and write: exactly one of following flags can be set*/ 733 #define SMB2_CHANNEL_NONE cpu_to_le32(0x00000000) 734 #define SMB2_CHANNEL_RDMA_V1 cpu_to_le32(0x00000001) 735 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) 736 #define SMB2_CHANNEL_RDMA_TRANSFORM cpu_to_le32(0x00000003) 737 738 /* SMB2 read request without RFC1001 length at the beginning */ 739 struct smb2_read_req { 740 struct smb2_hdr hdr; 741 __le16 StructureSize; /* Must be 49 */ 742 __u8 Padding; /* offset from start of SMB2 header to place read */ 743 __u8 Flags; /* MBZ unless SMB3.02 or later */ 744 __le32 Length; 745 __le64 Offset; 746 __u64 PersistentFileId; 747 __u64 VolatileFileId; 748 __le32 MinimumCount; 749 __le32 Channel; /* MBZ except for SMB3 or later */ 750 __le32 RemainingBytes; 751 __le16 ReadChannelInfoOffset; 752 __le16 ReadChannelInfoLength; 753 __u8 Buffer[]; 754 } __packed; 755 756 /* Read flags */ 757 #define SMB2_READFLAG_RESPONSE_NONE cpu_to_le32(0x00000000) 758 #define SMB2_READFLAG_RESPONSE_RDMA_TRANSFORM cpu_to_le32(0x00000001) 759 760 struct smb2_read_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 __le32 Flags; 768 __u8 Buffer[]; 769 } __packed; 770 771 772 /* 773 * SMB2_WRITE See MS-SMB2 section 2.2.21 774 */ 775 /* For write request Flags field below the following flags are defined: */ 776 #define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 /* SMB2.1 or later */ 777 #define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002 /* SMB3.02 or later */ 778 779 struct smb2_write_req { 780 struct smb2_hdr hdr; 781 __le16 StructureSize; /* Must be 49 */ 782 __le16 DataOffset; /* offset from start of SMB2 header to write data */ 783 __le32 Length; 784 __le64 Offset; 785 __u64 PersistentFileId; /* opaque endianness */ 786 __u64 VolatileFileId; /* opaque endianness */ 787 __le32 Channel; /* MBZ unless SMB3.02 or later */ 788 __le32 RemainingBytes; 789 __le16 WriteChannelInfoOffset; 790 __le16 WriteChannelInfoLength; 791 __le32 Flags; 792 __u8 Buffer[]; 793 } __packed; 794 795 struct smb2_write_rsp { 796 struct smb2_hdr hdr; 797 __le16 StructureSize; /* Must be 17 */ 798 __u8 DataOffset; 799 __u8 Reserved; 800 __le32 DataLength; 801 __le32 DataRemaining; 802 __u32 Reserved2; 803 __u8 Buffer[]; 804 } __packed; 805 806 807 /* 808 * SMB2_FLUSH See MS-SMB2 section 2.2.17 809 */ 810 struct smb2_flush_req { 811 struct smb2_hdr hdr; 812 __le16 StructureSize; /* Must be 24 */ 813 __le16 Reserved1; 814 __le32 Reserved2; 815 __u64 PersistentFileId; 816 __u64 VolatileFileId; 817 } __packed; 818 819 struct smb2_flush_rsp { 820 struct smb2_hdr hdr; 821 __le16 StructureSize; 822 __le16 Reserved; 823 } __packed; 824 825 #define SMB2_LOCKFLAG_SHARED 0x0001 826 #define SMB2_LOCKFLAG_EXCLUSIVE 0x0002 827 #define SMB2_LOCKFLAG_UNLOCK 0x0004 828 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY 0x0010 829 #define SMB2_LOCKFLAG_MASK 0x0007 830 831 struct smb2_lock_element { 832 __le64 Offset; 833 __le64 Length; 834 __le32 Flags; 835 __le32 Reserved; 836 } __packed; 837 838 struct smb2_lock_req { 839 struct smb2_hdr hdr; 840 __le16 StructureSize; /* Must be 48 */ 841 __le16 LockCount; 842 /* 843 * The least significant four bits are the index, the other 28 bits are 844 * the lock sequence number (0 to 64). See MS-SMB2 2.2.26 845 */ 846 __le32 LockSequenceNumber; 847 __u64 PersistentFileId; 848 __u64 VolatileFileId; 849 /* Followed by at least one */ 850 union { 851 struct smb2_lock_element lock; 852 DECLARE_FLEX_ARRAY(struct smb2_lock_element, locks); 853 }; 854 } __packed; 855 856 struct smb2_lock_rsp { 857 struct smb2_hdr hdr; 858 __le16 StructureSize; /* Must be 4 */ 859 __le16 Reserved; 860 } __packed; 861 862 struct smb2_echo_req { 863 struct smb2_hdr hdr; 864 __le16 StructureSize; /* Must be 4 */ 865 __u16 Reserved; 866 } __packed; 867 868 struct smb2_echo_rsp { 869 struct smb2_hdr hdr; 870 __le16 StructureSize; /* Must be 4 */ 871 __u16 Reserved; 872 } __packed; 873 874 /* 875 * Valid FileInformation classes for query directory 876 * 877 * Note that these are a subset of the (file) QUERY_INFO levels defined 878 * later in this file (but since QUERY_DIRECTORY uses equivalent numbers 879 * we do not redefine them here) 880 * 881 * FileDirectoryInfomation 0x01 882 * FileFullDirectoryInformation 0x02 883 * FileIdFullDirectoryInformation 0x26 884 * FileBothDirectoryInformation 0x03 885 * FileIdBothDirectoryInformation 0x25 886 * FileNamesInformation 0x0C 887 * FileIdExtdDirectoryInformation 0x3C 888 */ 889 890 /* search (query_directory) Flags field */ 891 #define SMB2_RESTART_SCANS 0x01 892 #define SMB2_RETURN_SINGLE_ENTRY 0x02 893 #define SMB2_INDEX_SPECIFIED 0x04 894 #define SMB2_REOPEN 0x10 895 896 struct smb2_query_directory_req { 897 struct smb2_hdr hdr; 898 __le16 StructureSize; /* Must be 33 */ 899 __u8 FileInformationClass; 900 __u8 Flags; 901 __le32 FileIndex; 902 __u64 PersistentFileId; 903 __u64 VolatileFileId; 904 __le16 FileNameOffset; 905 __le16 FileNameLength; 906 __le32 OutputBufferLength; 907 __u8 Buffer[]; 908 } __packed; 909 910 struct smb2_query_directory_rsp { 911 struct smb2_hdr hdr; 912 __le16 StructureSize; /* Must be 9 */ 913 __le16 OutputBufferOffset; 914 __le32 OutputBufferLength; 915 __u8 Buffer[]; 916 } __packed; 917 918 /* 919 * Maximum number of iovs we need for a set-info request. 920 * The largest one is rename/hardlink 921 * [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info 922 * [1] : path 923 * [2] : compound padding 924 */ 925 #define SMB2_SET_INFO_IOV_SIZE 3 926 927 struct smb2_set_info_req { 928 struct smb2_hdr hdr; 929 __le16 StructureSize; /* Must be 33 */ 930 __u8 InfoType; 931 __u8 FileInfoClass; 932 __le32 BufferLength; 933 __le16 BufferOffset; 934 __u16 Reserved; 935 __le32 AdditionalInformation; 936 __u64 PersistentFileId; 937 __u64 VolatileFileId; 938 __u8 Buffer[]; 939 } __packed; 940 941 struct smb2_set_info_rsp { 942 struct smb2_hdr hdr; 943 __le16 StructureSize; /* Must be 2 */ 944 } __packed; 945 946 /* 947 * SMB2_NOTIFY See MS-SMB2 section 2.2.35 948 */ 949 /* notify flags */ 950 #define SMB2_WATCH_TREE 0x0001 951 952 /* notify completion filter flags. See MS-FSCC 2.6 and MS-SMB2 2.2.35 */ 953 #define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001 954 #define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002 955 #define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004 956 #define FILE_NOTIFY_CHANGE_SIZE 0x00000008 957 #define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010 958 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020 959 #define FILE_NOTIFY_CHANGE_CREATION 0x00000040 960 #define FILE_NOTIFY_CHANGE_EA 0x00000080 961 #define FILE_NOTIFY_CHANGE_SECURITY 0x00000100 962 #define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200 963 #define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400 964 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800 965 966 /* SMB2 Notify Action Flags */ 967 #define FILE_ACTION_ADDED 0x00000001 968 #define FILE_ACTION_REMOVED 0x00000002 969 #define FILE_ACTION_MODIFIED 0x00000003 970 #define FILE_ACTION_RENAMED_OLD_NAME 0x00000004 971 #define FILE_ACTION_RENAMED_NEW_NAME 0x00000005 972 #define FILE_ACTION_ADDED_STREAM 0x00000006 973 #define FILE_ACTION_REMOVED_STREAM 0x00000007 974 #define FILE_ACTION_MODIFIED_STREAM 0x00000008 975 #define FILE_ACTION_REMOVED_BY_DELETE 0x00000009 976 977 struct smb2_change_notify_req { 978 struct smb2_hdr hdr; 979 __le16 StructureSize; 980 __le16 Flags; 981 __le32 OutputBufferLength; 982 __u64 PersistentFileId; /* opaque endianness */ 983 __u64 VolatileFileId; /* opaque endianness */ 984 __le32 CompletionFilter; 985 __u32 Reserved; 986 } __packed; 987 988 struct smb2_change_notify_rsp { 989 struct smb2_hdr hdr; 990 __le16 StructureSize; /* Must be 9 */ 991 __le16 OutputBufferOffset; 992 __le32 OutputBufferLength; 993 __u8 Buffer[]; /* array of file notify structs */ 994 } __packed; 995 996 /* 997 * SMB2_SERVER_TO_CLIENT_NOTIFICATION: See MS-SMB2 section 2.2.44 998 */ 999 1000 #define SMB2_NOTIFY_SESSION_CLOSED 0x0000 1001 1002 struct smb2_server_client_notification { 1003 struct smb2_hdr hdr; 1004 __le16 StructureSize; 1005 __u16 Reserved; /* MBZ */ 1006 __le32 NotificationType; 1007 __u8 NotificationBuffer[4]; /* MBZ */ 1008 } __packed; 1009 1010 /* 1011 * SMB2_CREATE See MS-SMB2 section 2.2.13 1012 */ 1013 /* Oplock levels */ 1014 #define SMB2_OPLOCK_LEVEL_NONE 0x00 1015 #define SMB2_OPLOCK_LEVEL_II 0x01 1016 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08 1017 #define SMB2_OPLOCK_LEVEL_BATCH 0x09 1018 #define SMB2_OPLOCK_LEVEL_LEASE 0xFF 1019 /* Non-spec internal type */ 1020 #define SMB2_OPLOCK_LEVEL_NOCHANGE 0x99 1021 1022 /* Impersonation Levels. See MS-WPO section 9.7 and MSDN-IMPERS */ 1023 #define IL_ANONYMOUS cpu_to_le32(0x00000000) 1024 #define IL_IDENTIFICATION cpu_to_le32(0x00000001) 1025 #define IL_IMPERSONATION cpu_to_le32(0x00000002) 1026 #define IL_DELEGATE cpu_to_le32(0x00000003) 1027 1028 /* File Attrubutes */ 1029 #define FILE_ATTRIBUTE_READONLY 0x00000001 1030 #define FILE_ATTRIBUTE_HIDDEN 0x00000002 1031 #define FILE_ATTRIBUTE_SYSTEM 0x00000004 1032 #define FILE_ATTRIBUTE_DIRECTORY 0x00000010 1033 #define FILE_ATTRIBUTE_ARCHIVE 0x00000020 1034 #define FILE_ATTRIBUTE_NORMAL 0x00000080 1035 #define FILE_ATTRIBUTE_TEMPORARY 0x00000100 1036 #define FILE_ATTRIBUTE_SPARSE_FILE 0x00000200 1037 #define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400 1038 #define FILE_ATTRIBUTE_COMPRESSED 0x00000800 1039 #define FILE_ATTRIBUTE_OFFLINE 0x00001000 1040 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x00002000 1041 #define FILE_ATTRIBUTE_ENCRYPTED 0x00004000 1042 #define FILE_ATTRIBUTE_INTEGRITY_STREAM 0x00008000 1043 #define FILE_ATTRIBUTE_NO_SCRUB_DATA 0x00020000 1044 #define FILE_ATTRIBUTE__MASK 0x00007FB7 1045 1046 #define FILE_ATTRIBUTE_READONLY_LE cpu_to_le32(0x00000001) 1047 #define FILE_ATTRIBUTE_HIDDEN_LE cpu_to_le32(0x00000002) 1048 #define FILE_ATTRIBUTE_SYSTEM_LE cpu_to_le32(0x00000004) 1049 #define FILE_ATTRIBUTE_DIRECTORY_LE cpu_to_le32(0x00000010) 1050 #define FILE_ATTRIBUTE_ARCHIVE_LE cpu_to_le32(0x00000020) 1051 #define FILE_ATTRIBUTE_NORMAL_LE cpu_to_le32(0x00000080) 1052 #define FILE_ATTRIBUTE_TEMPORARY_LE cpu_to_le32(0x00000100) 1053 #define FILE_ATTRIBUTE_SPARSE_FILE_LE cpu_to_le32(0x00000200) 1054 #define FILE_ATTRIBUTE_REPARSE_POINT_LE cpu_to_le32(0x00000400) 1055 #define FILE_ATTRIBUTE_COMPRESSED_LE cpu_to_le32(0x00000800) 1056 #define FILE_ATTRIBUTE_OFFLINE_LE cpu_to_le32(0x00001000) 1057 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED_LE cpu_to_le32(0x00002000) 1058 #define FILE_ATTRIBUTE_ENCRYPTED_LE cpu_to_le32(0x00004000) 1059 #define FILE_ATTRIBUTE_INTEGRITY_STREAM_LE cpu_to_le32(0x00008000) 1060 #define FILE_ATTRIBUTE_NO_SCRUB_DATA_LE cpu_to_le32(0x00020000) 1061 #define FILE_ATTRIBUTE_MASK_LE cpu_to_le32(0x00007FB7) 1062 1063 /* Desired Access Flags */ 1064 #define FILE_READ_DATA_LE cpu_to_le32(0x00000001) 1065 #define FILE_LIST_DIRECTORY_LE cpu_to_le32(0x00000001) 1066 #define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002) 1067 #define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004) 1068 #define FILE_ADD_SUBDIRECTORY_LE cpu_to_le32(0x00000004) 1069 #define FILE_READ_EA_LE cpu_to_le32(0x00000008) 1070 #define FILE_WRITE_EA_LE cpu_to_le32(0x00000010) 1071 #define FILE_EXECUTE_LE cpu_to_le32(0x00000020) 1072 #define FILE_DELETE_CHILD_LE cpu_to_le32(0x00000040) 1073 #define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080) 1074 #define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100) 1075 #define FILE_DELETE_LE cpu_to_le32(0x00010000) 1076 #define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000) 1077 #define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000) 1078 #define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000) 1079 #define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000) 1080 #define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000) 1081 #define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000) 1082 #define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000) 1083 #define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000) 1084 #define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000) 1085 #define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000) 1086 #define DESIRED_ACCESS_MASK cpu_to_le32(0xF21F01FF) 1087 1088 1089 #define FILE_READ_DESIRED_ACCESS_LE (FILE_READ_DATA_LE | \ 1090 FILE_READ_EA_LE | \ 1091 FILE_GENERIC_READ_LE) 1092 #define FILE_WRITE_DESIRE_ACCESS_LE (FILE_WRITE_DATA_LE | \ 1093 FILE_APPEND_DATA_LE | \ 1094 FILE_WRITE_EA_LE | \ 1095 FILE_WRITE_ATTRIBUTES_LE | \ 1096 FILE_GENERIC_WRITE_LE) 1097 1098 /* ShareAccess Flags */ 1099 #define FILE_SHARE_READ_LE cpu_to_le32(0x00000001) 1100 #define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002) 1101 #define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004) 1102 #define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007) 1103 1104 /* CreateDisposition Flags */ 1105 #define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000) 1106 #define FILE_OPEN_LE cpu_to_le32(0x00000001) 1107 #define FILE_CREATE_LE cpu_to_le32(0x00000002) 1108 #define FILE_OPEN_IF_LE cpu_to_le32(0x00000003) 1109 #define FILE_OVERWRITE_LE cpu_to_le32(0x00000004) 1110 #define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005) 1111 #define FILE_CREATE_MASK_LE cpu_to_le32(0x00000007) 1112 1113 #define FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA \ 1114 | FILE_READ_ATTRIBUTES) 1115 #define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ 1116 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES) 1117 #define FILE_EXEC_RIGHTS (FILE_EXECUTE) 1118 1119 /* CreateOptions Flags */ 1120 #define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001) 1121 /* same as #define CREATE_NOT_FILE_LE cpu_to_le32(0x00000001) */ 1122 #define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002) 1123 #define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004) 1124 #define FILE_NO_INTERMEDIATE_BUFFERING_LE cpu_to_le32(0x00000008) 1125 /* FILE_SYNCHRONOUS_IO_ALERT_LE cpu_to_le32(0x00000010) should be zero, ignored */ 1126 /* FILE_SYNCHRONOUS_IO_NONALERT cpu_to_le32(0x00000020) should be zero, ignored */ 1127 #define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040) 1128 #define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100) 1129 #define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200) 1130 /* FILE_OPEN_REMOTE_INSTANCE cpu_to_le32(0x00000400) should be zero, ignored */ 1131 #define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800) 1132 #define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000) /* MBZ */ 1133 #define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000) 1134 #define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000) 1135 #define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000) 1136 /* FILE_OPEN_REQUIRING_OPLOCK cpu_to_le32(0x00010000) should be zero, ignored */ 1137 /* FILE_DISALLOW_EXCLUSIVE cpu_to_le32(0x00020000) should be zero, ignored */ 1138 /* FILE_RESERVE_OPFILTER cpu_to_le32(0x00100000) MBZ */ 1139 #define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000) 1140 #define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000) 1141 /* #define FILE_OPEN_FOR_FREE_SPACE_QUERY cpu_to_le32(0x00800000) should be zero, ignored */ 1142 #define CREATE_OPTIONS_MASK_LE cpu_to_le32(0x00FFFFFF) 1143 1144 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \ 1145 | FILE_READ_ATTRIBUTES_LE) 1146 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \ 1147 | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE) 1148 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE) 1149 1150 /* Create Context Values */ 1151 #define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */ 1152 #define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */ 1153 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ" 1154 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC" 1155 #define SMB2_CREATE_ALLOCATION_SIZE "AlSi" 1156 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc" 1157 #define SMB2_CREATE_TIMEWARP_REQUEST "TWrp" 1158 #define SMB2_CREATE_QUERY_ON_DISK_ID "QFid" 1159 #define SMB2_CREATE_REQUEST_LEASE "RqLs" 1160 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q" 1161 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C" 1162 #define SMB2_CREATE_TAG_POSIX "\x93\xAD\x25\x50\x9C\xB4\x11\xE7\xB4\x23\x83\xDE\x96\x8B\xCD\x7C" 1163 #define SMB2_CREATE_APP_INSTANCE_ID "\x45\xBC\xA6\x6A\xEF\xA7\xF7\x4A\x90\x08\xFA\x46\x2E\x14\x4D\x74" 1164 #define SMB2_CREATE_APP_INSTANCE_VERSION "\xB9\x82\xD0\xB7\x3B\x56\x07\x4F\xA0\x7B\x52\x4A\x81\x16\xA0\x10" 1165 #define SVHDX_OPEN_DEVICE_CONTEXT "\x9C\xCB\xCF\x9E\x04\xC1\xE6\x43\x98\x0E\x15\x8D\xA1\xF6\xEC\x83" 1166 #define SMB2_CREATE_TAG_AAPL "AAPL" 1167 1168 /* Flag (SMB3 open response) values */ 1169 #define SMB2_CREATE_FLAG_REPARSEPOINT 0x01 1170 1171 struct create_context { 1172 __le32 Next; 1173 __le16 NameOffset; 1174 __le16 NameLength; 1175 __le16 Reserved; 1176 __le16 DataOffset; 1177 __le32 DataLength; 1178 __u8 Buffer[]; 1179 } __packed; 1180 1181 struct smb2_create_req { 1182 struct smb2_hdr hdr; 1183 __le16 StructureSize; /* Must be 57 */ 1184 __u8 SecurityFlags; 1185 __u8 RequestedOplockLevel; 1186 __le32 ImpersonationLevel; 1187 __le64 SmbCreateFlags; 1188 __le64 Reserved; 1189 __le32 DesiredAccess; 1190 __le32 FileAttributes; 1191 __le32 ShareAccess; 1192 __le32 CreateDisposition; 1193 __le32 CreateOptions; 1194 __le16 NameOffset; 1195 __le16 NameLength; 1196 __le32 CreateContextsOffset; 1197 __le32 CreateContextsLength; 1198 __u8 Buffer[]; 1199 } __packed; 1200 1201 struct smb2_create_rsp { 1202 struct smb2_hdr hdr; 1203 __le16 StructureSize; /* Must be 89 */ 1204 __u8 OplockLevel; 1205 __u8 Flags; /* 0x01 if reparse point */ 1206 __le32 CreateAction; 1207 __le64 CreationTime; 1208 __le64 LastAccessTime; 1209 __le64 LastWriteTime; 1210 __le64 ChangeTime; 1211 __le64 AllocationSize; 1212 __le64 EndofFile; 1213 __le32 FileAttributes; 1214 __le32 Reserved2; 1215 __u64 PersistentFileId; 1216 __u64 VolatileFileId; 1217 __le32 CreateContextsOffset; 1218 __le32 CreateContextsLength; 1219 __u8 Buffer[]; 1220 } __packed; 1221 1222 struct create_posix { 1223 struct create_context ccontext; 1224 __u8 Name[16]; 1225 __le32 Mode; 1226 __u32 Reserved; 1227 } __packed; 1228 1229 /* See MS-SMB2 2.2.13.2.3 and MS-SMB2 2.2.13.2.4 */ 1230 struct create_durable { 1231 struct create_context ccontext; 1232 __u8 Name[8]; 1233 union { 1234 __u8 Reserved[16]; 1235 struct { 1236 __u64 PersistentFileId; 1237 __u64 VolatileFileId; 1238 } Fid; 1239 } Data; 1240 } __packed; 1241 1242 /* See MS-SMB2 2.2.13.2.5 */ 1243 struct create_mxac_req { 1244 struct create_context ccontext; 1245 __u8 Name[8]; 1246 __le64 Timestamp; 1247 } __packed; 1248 1249 /* See MS-SMB2 2.2.14.2.5 */ 1250 struct create_mxac_rsp { 1251 struct create_context ccontext; 1252 __u8 Name[8]; 1253 __le32 QueryStatus; 1254 __le32 MaximalAccess; 1255 } __packed; 1256 1257 #define SMB2_LEASE_NONE_LE cpu_to_le32(0x00) 1258 #define SMB2_LEASE_READ_CACHING_LE cpu_to_le32(0x01) 1259 #define SMB2_LEASE_HANDLE_CACHING_LE cpu_to_le32(0x02) 1260 #define SMB2_LEASE_WRITE_CACHING_LE cpu_to_le32(0x04) 1261 1262 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS_LE cpu_to_le32(0x02) 1263 #define SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET_LE cpu_to_le32(0x04) 1264 1265 #define SMB2_LEASE_KEY_SIZE 16 1266 1267 /* See MS-SMB2 2.2.13.2.8 */ 1268 struct lease_context { 1269 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 1270 __le32 LeaseState; 1271 __le32 LeaseFlags; 1272 __le64 LeaseDuration; 1273 } __packed; 1274 1275 /* See MS-SMB2 2.2.13.2.10 */ 1276 struct lease_context_v2 { 1277 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 1278 __le32 LeaseState; 1279 __le32 LeaseFlags; 1280 __le64 LeaseDuration; 1281 __u8 ParentLeaseKey[SMB2_LEASE_KEY_SIZE]; 1282 __le16 Epoch; 1283 __le16 Reserved; 1284 } __packed; 1285 1286 struct create_lease { 1287 struct create_context ccontext; 1288 __u8 Name[8]; 1289 struct lease_context lcontext; 1290 } __packed; 1291 1292 struct create_lease_v2 { 1293 struct create_context ccontext; 1294 __u8 Name[8]; 1295 struct lease_context_v2 lcontext; 1296 __u8 Pad[4]; 1297 } __packed; 1298 1299 /* See MS-SMB2 2.2.14.2.9 */ 1300 struct create_disk_id_rsp { 1301 struct create_context ccontext; 1302 __u8 Name[8]; 1303 __le64 DiskFileId; 1304 __le64 VolumeId; 1305 __u8 Reserved[16]; 1306 } __packed; 1307 1308 /* See MS-SMB2 2.2.13.2.13 */ 1309 struct create_app_inst_id { 1310 struct create_context ccontext; 1311 __u8 Name[16]; 1312 __le32 StructureSize; /* Must be 20 */ 1313 __u16 Reserved; 1314 __u8 AppInstanceId[16]; 1315 } __packed; 1316 1317 /* See MS-SMB2 2.2.13.2.15 */ 1318 struct create_app_inst_id_vers { 1319 struct create_context ccontext; 1320 __u8 Name[16]; 1321 __le32 StructureSize; /* Must be 24 */ 1322 __u16 Reserved; 1323 __u32 Padding; 1324 __le64 AppInstanceVersionHigh; 1325 __le64 AppInstanceVersionLow; 1326 } __packed; 1327 1328 /* See MS-SMB2 2.2.31 and 2.2.32 */ 1329 struct smb2_ioctl_req { 1330 struct smb2_hdr hdr; 1331 __le16 StructureSize; /* Must be 57 */ 1332 __le16 Reserved; /* offset from start of SMB2 header to write data */ 1333 __le32 CtlCode; 1334 __u64 PersistentFileId; 1335 __u64 VolatileFileId; 1336 __le32 InputOffset; /* Reserved MBZ */ 1337 __le32 InputCount; 1338 __le32 MaxInputResponse; 1339 __le32 OutputOffset; 1340 __le32 OutputCount; 1341 __le32 MaxOutputResponse; 1342 __le32 Flags; 1343 __le32 Reserved2; 1344 __u8 Buffer[]; 1345 } __packed; 1346 1347 struct smb2_ioctl_rsp { 1348 struct smb2_hdr hdr; 1349 __le16 StructureSize; /* Must be 49 */ 1350 __le16 Reserved; 1351 __le32 CtlCode; 1352 __u64 PersistentFileId; 1353 __u64 VolatileFileId; 1354 __le32 InputOffset; /* Reserved MBZ */ 1355 __le32 InputCount; 1356 __le32 OutputOffset; 1357 __le32 OutputCount; 1358 __le32 Flags; 1359 __le32 Reserved2; 1360 __u8 Buffer[]; 1361 } __packed; 1362 1363 /* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */ 1364 struct file_zero_data_information { 1365 __le64 FileOffset; 1366 __le64 BeyondFinalZero; 1367 } __packed; 1368 1369 /* See MS-FSCC 2.3.7 */ 1370 struct duplicate_extents_to_file { 1371 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 1372 __u64 VolatileFileHandle; 1373 __le64 SourceFileOffset; 1374 __le64 TargetFileOffset; 1375 __le64 ByteCount; /* Bytes to be copied */ 1376 } __packed; 1377 1378 /* See MS-FSCC 2.3.8 */ 1379 #define DUPLICATE_EXTENTS_DATA_EX_SOURCE_ATOMIC 0x00000001 1380 struct duplicate_extents_to_file_ex { 1381 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 1382 __u64 VolatileFileHandle; 1383 __le64 SourceFileOffset; 1384 __le64 TargetFileOffset; 1385 __le64 ByteCount; /* Bytes to be copied */ 1386 __le32 Flags; 1387 __le32 Reserved; 1388 } __packed; 1389 1390 1391 /* See MS-FSCC 2.3.20 */ 1392 struct fsctl_get_integrity_information_rsp { 1393 __le16 ChecksumAlgorithm; 1394 __le16 Reserved; 1395 __le32 Flags; 1396 __le32 ChecksumChunkSizeInBytes; 1397 __le32 ClusterSizeInBytes; 1398 } __packed; 1399 1400 /* See MS-FSCC 2.3.55 */ 1401 struct fsctl_query_file_regions_req { 1402 __le64 FileOffset; 1403 __le64 Length; 1404 __le32 DesiredUsage; 1405 __le32 Reserved; 1406 } __packed; 1407 1408 /* DesiredUsage flags see MS-FSCC 2.3.56.1 */ 1409 #define FILE_USAGE_INVALID_RANGE 0x00000000 1410 #define FILE_USAGE_VALID_CACHED_DATA 0x00000001 1411 #define FILE_USAGE_NONCACHED_DATA 0x00000002 1412 1413 struct file_region_info { 1414 __le64 FileOffset; 1415 __le64 Length; 1416 __le32 DesiredUsage; 1417 __le32 Reserved; 1418 } __packed; 1419 1420 /* See MS-FSCC 2.3.56 */ 1421 struct fsctl_query_file_region_rsp { 1422 __le32 Flags; 1423 __le32 TotalRegionEntryCount; 1424 __le32 RegionEntryCount; 1425 __u32 Reserved; 1426 struct file_region_info Regions[]; 1427 } __packed; 1428 1429 /* See MS-FSCC 2.3.58 */ 1430 struct fsctl_query_on_disk_vol_info_rsp { 1431 __le64 DirectoryCount; 1432 __le64 FileCount; 1433 __le16 FsFormatMajVersion; 1434 __le16 FsFormatMinVersion; 1435 __u8 FsFormatName[24]; 1436 __le64 FormatTime; 1437 __le64 LastUpdateTime; 1438 __u8 CopyrightInfo[68]; 1439 __u8 AbstractInfo[68]; 1440 __u8 FormatImplInfo[68]; 1441 __u8 LastModifyImplInfo[68]; 1442 } __packed; 1443 1444 /* See MS-FSCC 2.3.73 */ 1445 struct fsctl_set_integrity_information_req { 1446 __le16 ChecksumAlgorithm; 1447 __le16 Reserved; 1448 __le32 Flags; 1449 } __packed; 1450 1451 /* See MS-FSCC 2.3.75 */ 1452 struct fsctl_set_integrity_info_ex_req { 1453 __u8 EnableIntegrity; 1454 __u8 KeepState; 1455 __u16 Reserved; 1456 __le32 Flags; 1457 __u8 Version; 1458 __u8 Reserved2[7]; 1459 } __packed; 1460 1461 /* Integrity ChecksumAlgorithm choices for above */ 1462 #define CHECKSUM_TYPE_NONE 0x0000 1463 #define CHECKSUM_TYPE_CRC64 0x0002 1464 #define CHECKSUM_TYPE_UNCHANGED 0xFFFF /* set only */ 1465 1466 /* Integrity flags for above */ 1467 #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x00000001 1468 1469 /* Reparse structures - see MS-FSCC 2.1.2 */ 1470 1471 /* struct fsctl_reparse_info_req is empty, only response structs (see below) */ 1472 struct reparse_data_buffer { 1473 __le32 ReparseTag; 1474 __le16 ReparseDataLength; 1475 __u16 Reserved; 1476 __u8 DataBuffer[]; /* Variable Length */ 1477 } __packed; 1478 1479 struct reparse_guid_data_buffer { 1480 __le32 ReparseTag; 1481 __le16 ReparseDataLength; 1482 __u16 Reserved; 1483 __u8 ReparseGuid[16]; 1484 __u8 DataBuffer[]; /* Variable Length */ 1485 } __packed; 1486 1487 struct reparse_mount_point_data_buffer { 1488 __le32 ReparseTag; 1489 __le16 ReparseDataLength; 1490 __u16 Reserved; 1491 __le16 SubstituteNameOffset; 1492 __le16 SubstituteNameLength; 1493 __le16 PrintNameOffset; 1494 __le16 PrintNameLength; 1495 __u8 PathBuffer[]; /* Variable Length */ 1496 } __packed; 1497 1498 #define SYMLINK_FLAG_RELATIVE 0x00000001 1499 1500 struct reparse_symlink_data_buffer { 1501 __le32 ReparseTag; 1502 __le16 ReparseDataLength; 1503 __u16 Reserved; 1504 __le16 SubstituteNameOffset; 1505 __le16 SubstituteNameLength; 1506 __le16 PrintNameOffset; 1507 __le16 PrintNameLength; 1508 __le32 Flags; 1509 __u8 PathBuffer[]; /* Variable Length */ 1510 } __packed; 1511 1512 /* See MS-FSCC 2.1.2.6 and cifspdu.h for struct reparse_posix_data */ 1513 1514 struct validate_negotiate_info_req { 1515 __le32 Capabilities; 1516 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1517 __le16 SecurityMode; 1518 __le16 DialectCount; 1519 __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */ 1520 } __packed; 1521 1522 struct validate_negotiate_info_rsp { 1523 __le32 Capabilities; 1524 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1525 __le16 SecurityMode; 1526 __le16 Dialect; /* Dialect in use for the connection */ 1527 } __packed; 1528 1529 1530 /* Possible InfoType values */ 1531 #define SMB2_O_INFO_FILE 0x01 1532 #define SMB2_O_INFO_FILESYSTEM 0x02 1533 #define SMB2_O_INFO_SECURITY 0x03 1534 #define SMB2_O_INFO_QUOTA 0x04 1535 1536 /* SMB2 Query Info see MS-SMB2 (2.2.37) or MS-DTYP */ 1537 1538 /* List of QUERY INFO levels (those also valid for QUERY_DIR are noted below */ 1539 #define FILE_DIRECTORY_INFORMATION 1 /* also for QUERY_DIR */ 1540 #define FILE_FULL_DIRECTORY_INFORMATION 2 /* also for QUERY_DIR */ 1541 #define FILE_BOTH_DIRECTORY_INFORMATION 3 /* also for QUERY_DIR */ 1542 #define FILE_BASIC_INFORMATION 4 1543 #define FILE_STANDARD_INFORMATION 5 1544 #define FILE_INTERNAL_INFORMATION 6 1545 #define FILE_EA_INFORMATION 7 1546 #define FILE_ACCESS_INFORMATION 8 1547 #define FILE_NAME_INFORMATION 9 1548 #define FILE_RENAME_INFORMATION 10 1549 #define FILE_LINK_INFORMATION 11 1550 #define FILE_NAMES_INFORMATION 12 /* also for QUERY_DIR */ 1551 #define FILE_DISPOSITION_INFORMATION 13 1552 #define FILE_POSITION_INFORMATION 14 1553 #define FILE_FULL_EA_INFORMATION 15 1554 #define FILE_MODE_INFORMATION 16 1555 #define FILE_ALIGNMENT_INFORMATION 17 1556 #define FILE_ALL_INFORMATION 18 1557 #define FILE_ALLOCATION_INFORMATION 19 1558 #define FILE_END_OF_FILE_INFORMATION 20 1559 #define FILE_ALTERNATE_NAME_INFORMATION 21 1560 #define FILE_STREAM_INFORMATION 22 1561 #define FILE_PIPE_INFORMATION 23 1562 #define FILE_PIPE_LOCAL_INFORMATION 24 1563 #define FILE_PIPE_REMOTE_INFORMATION 25 1564 #define FILE_MAILSLOT_QUERY_INFORMATION 26 1565 #define FILE_MAILSLOT_SET_INFORMATION 27 1566 #define FILE_COMPRESSION_INFORMATION 28 1567 #define FILE_OBJECT_ID_INFORMATION 29 1568 /* Number 30 not defined in documents */ 1569 #define FILE_MOVE_CLUSTER_INFORMATION 31 1570 #define FILE_QUOTA_INFORMATION 32 1571 #define FILE_REPARSE_POINT_INFORMATION 33 1572 #define FILE_NETWORK_OPEN_INFORMATION 34 1573 #define FILE_ATTRIBUTE_TAG_INFORMATION 35 1574 #define FILE_TRACKING_INFORMATION 36 1575 #define FILEID_BOTH_DIRECTORY_INFORMATION 37 /* also for QUERY_DIR */ 1576 #define FILEID_FULL_DIRECTORY_INFORMATION 38 /* also for QUERY_DIR */ 1577 #define FILE_VALID_DATA_LENGTH_INFORMATION 39 1578 #define FILE_SHORT_NAME_INFORMATION 40 1579 #define FILE_SFIO_RESERVE_INFORMATION 44 1580 #define FILE_SFIO_VOLUME_INFORMATION 45 1581 #define FILE_HARD_LINK_INFORMATION 46 1582 #define FILE_NORMALIZED_NAME_INFORMATION 48 1583 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50 1584 #define FILE_STANDARD_LINK_INFORMATION 54 1585 #define FILE_ID_INFORMATION 59 1586 #define FILE_ID_EXTD_DIRECTORY_INFORMATION 60 /* also for QUERY_DIR */ 1587 /* Used for Query Info and Find File POSIX Info for SMB3.1.1 and SMB1 */ 1588 #define SMB_FIND_FILE_POSIX_INFO 0x064 1589 1590 /* Security info type additionalinfo flags. */ 1591 #define OWNER_SECINFO 0x00000001 1592 #define GROUP_SECINFO 0x00000002 1593 #define DACL_SECINFO 0x00000004 1594 #define SACL_SECINFO 0x00000008 1595 #define LABEL_SECINFO 0x00000010 1596 #define ATTRIBUTE_SECINFO 0x00000020 1597 #define SCOPE_SECINFO 0x00000040 1598 #define BACKUP_SECINFO 0x00010000 1599 #define UNPROTECTED_SACL_SECINFO 0x10000000 1600 #define UNPROTECTED_DACL_SECINFO 0x20000000 1601 #define PROTECTED_SACL_SECINFO 0x40000000 1602 #define PROTECTED_DACL_SECINFO 0x80000000 1603 1604 /* Flags used for FileFullEAinfo */ 1605 #define SL_RESTART_SCAN 0x00000001 1606 #define SL_RETURN_SINGLE_ENTRY 0x00000002 1607 #define SL_INDEX_SPECIFIED 0x00000004 1608 1609 struct smb2_query_info_req { 1610 struct smb2_hdr hdr; 1611 __le16 StructureSize; /* Must be 41 */ 1612 __u8 InfoType; 1613 __u8 FileInfoClass; 1614 __le32 OutputBufferLength; 1615 __le16 InputBufferOffset; 1616 __u16 Reserved; 1617 __le32 InputBufferLength; 1618 __le32 AdditionalInformation; 1619 __le32 Flags; 1620 __u64 PersistentFileId; 1621 __u64 VolatileFileId; 1622 __u8 Buffer[]; 1623 } __packed; 1624 1625 struct smb2_query_info_rsp { 1626 struct smb2_hdr hdr; 1627 __le16 StructureSize; /* Must be 9 */ 1628 __le16 OutputBufferOffset; 1629 __le32 OutputBufferLength; 1630 __u8 Buffer[]; 1631 } __packed; 1632 1633 /* 1634 * PDU query infolevel structure definitions 1635 */ 1636 1637 /* See MS-FSCC 2.3.52 */ 1638 struct file_allocated_range_buffer { 1639 __le64 file_offset; 1640 __le64 length; 1641 } __packed; 1642 1643 struct smb2_file_internal_info { 1644 __le64 IndexNumber; 1645 } __packed; /* level 6 Query */ 1646 1647 struct smb2_file_rename_info { /* encoding of request for level 10 */ 1648 __u8 ReplaceIfExists; /* 1 = replace existing target with new */ 1649 /* 0 = fail if target already exists */ 1650 __u8 Reserved[7]; 1651 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1652 __le32 FileNameLength; 1653 char FileName[]; /* New name to be assigned */ 1654 /* padding - overall struct size must be >= 24 so filename + pad >= 6 */ 1655 } __packed; /* level 10 Set */ 1656 1657 struct smb2_file_link_info { /* encoding of request for level 11 */ 1658 __u8 ReplaceIfExists; /* 1 = replace existing link with new */ 1659 /* 0 = fail if link already exists */ 1660 __u8 Reserved[7]; 1661 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1662 __le32 FileNameLength; 1663 char FileName[]; /* Name to be assigned to new link */ 1664 } __packed; /* level 11 Set */ 1665 1666 /* 1667 * This level 18, although with struct with same name is different from cifs 1668 * level 0x107. Level 0x107 has an extra u64 between AccessFlags and 1669 * CurrentByteOffset. 1670 */ 1671 struct smb2_file_all_info { /* data block encoding of response to level 18 */ 1672 __le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */ 1673 __le64 LastAccessTime; 1674 __le64 LastWriteTime; 1675 __le64 ChangeTime; 1676 __le32 Attributes; 1677 __u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */ 1678 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 1679 __le64 EndOfFile; /* size ie offset to first free byte in file */ 1680 __le32 NumberOfLinks; /* hard links */ 1681 __u8 DeletePending; 1682 __u8 Directory; 1683 __u16 Pad2; /* End of FILE_STANDARD_INFO equivalent */ 1684 __le64 IndexNumber; 1685 __le32 EASize; 1686 __le32 AccessFlags; 1687 __le64 CurrentByteOffset; 1688 __le32 Mode; 1689 __le32 AlignmentRequirement; 1690 __le32 FileNameLength; 1691 union { 1692 char __pad; /* Legacy structure padding */ 1693 DECLARE_FLEX_ARRAY(char, FileName); 1694 }; 1695 } __packed; /* level 18 Query */ 1696 1697 struct smb2_file_eof_info { /* encoding of request for level 10 */ 1698 __le64 EndOfFile; /* new end of file value */ 1699 } __packed; /* level 20 Set */ 1700 1701 /* Level 100 query info */ 1702 struct smb311_posix_qinfo { 1703 __le64 CreationTime; 1704 __le64 LastAccessTime; 1705 __le64 LastWriteTime; 1706 __le64 ChangeTime; 1707 __le64 EndOfFile; 1708 __le64 AllocationSize; 1709 __le32 DosAttributes; 1710 __le64 Inode; 1711 __le32 DeviceId; 1712 __le32 Zero; 1713 /* beginning of POSIX Create Context Response */ 1714 __le32 HardLinks; 1715 __le32 ReparseTag; 1716 __le32 Mode; 1717 u8 Sids[]; 1718 /* 1719 * var sized owner SID 1720 * var sized group SID 1721 * le32 filenamelength 1722 * u8 filename[] 1723 */ 1724 } __packed; 1725 1726 /* File System Information Classes */ 1727 #define FS_VOLUME_INFORMATION 1 /* Query */ 1728 #define FS_LABEL_INFORMATION 2 /* Set */ 1729 #define FS_SIZE_INFORMATION 3 /* Query */ 1730 #define FS_DEVICE_INFORMATION 4 /* Query */ 1731 #define FS_ATTRIBUTE_INFORMATION 5 /* Query */ 1732 #define FS_CONTROL_INFORMATION 6 /* Query, Set */ 1733 #define FS_FULL_SIZE_INFORMATION 7 /* Query */ 1734 #define FS_OBJECT_ID_INFORMATION 8 /* Query, Set */ 1735 #define FS_DRIVER_PATH_INFORMATION 9 /* Query */ 1736 #define FS_SECTOR_SIZE_INFORMATION 11 /* SMB3 or later. Query */ 1737 #define FS_POSIX_INFORMATION 100 /* SMB3.1.1 POSIX. Query */ 1738 1739 struct smb2_fs_full_size_info { 1740 __le64 TotalAllocationUnits; 1741 __le64 CallerAvailableAllocationUnits; 1742 __le64 ActualAvailableAllocationUnits; 1743 __le32 SectorsPerAllocationUnit; 1744 __le32 BytesPerSector; 1745 } __packed; 1746 1747 #define SSINFO_FLAGS_ALIGNED_DEVICE 0x00000001 1748 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002 1749 #define SSINFO_FLAGS_NO_SEEK_PENALTY 0x00000004 1750 #define SSINFO_FLAGS_TRIM_ENABLED 0x00000008 1751 1752 /* sector size info struct */ 1753 struct smb3_fs_ss_info { 1754 __le32 LogicalBytesPerSector; 1755 __le32 PhysicalBytesPerSectorForAtomicity; 1756 __le32 PhysicalBytesPerSectorForPerf; 1757 __le32 FSEffPhysicalBytesPerSectorForAtomicity; 1758 __le32 Flags; 1759 __le32 ByteOffsetForSectorAlignment; 1760 __le32 ByteOffsetForPartitionAlignment; 1761 } __packed; 1762 1763 /* File System Control Information */ 1764 struct smb2_fs_control_info { 1765 __le64 FreeSpaceStartFiltering; 1766 __le64 FreeSpaceThreshold; 1767 __le64 FreeSpaceStopFiltering; 1768 __le64 DefaultQuotaThreshold; 1769 __le64 DefaultQuotaLimit; 1770 __le32 FileSystemControlFlags; 1771 __le32 Padding; 1772 } __packed; 1773 1774 /* volume info struct - see MS-FSCC 2.5.9 */ 1775 #define MAX_VOL_LABEL_LEN 32 1776 struct smb3_fs_vol_info { 1777 __le64 VolumeCreationTime; 1778 __u32 VolumeSerialNumber; 1779 __le32 VolumeLabelLength; /* includes trailing null */ 1780 __u8 SupportsObjects; /* True if eg like NTFS, supports objects */ 1781 __u8 Reserved; 1782 __u8 VolumeLabel[]; /* variable len */ 1783 } __packed; 1784 1785 /* See MS-SMB2 2.2.23 through 2.2.25 */ 1786 struct smb2_oplock_break { 1787 struct smb2_hdr hdr; 1788 __le16 StructureSize; /* Must be 24 */ 1789 __u8 OplockLevel; 1790 __u8 Reserved; 1791 __le32 Reserved2; 1792 __u64 PersistentFid; 1793 __u64 VolatileFid; 1794 } __packed; 1795 1796 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01) 1797 1798 struct smb2_lease_break { 1799 struct smb2_hdr hdr; 1800 __le16 StructureSize; /* Must be 44 */ 1801 __le16 Epoch; 1802 __le32 Flags; 1803 __u8 LeaseKey[16]; 1804 __le32 CurrentLeaseState; 1805 __le32 NewLeaseState; 1806 __le32 BreakReason; 1807 __le32 AccessMaskHint; 1808 __le32 ShareMaskHint; 1809 } __packed; 1810 1811 struct smb2_lease_ack { 1812 struct smb2_hdr hdr; 1813 __le16 StructureSize; /* Must be 36 */ 1814 __le16 Reserved; 1815 __le32 Flags; 1816 __u8 LeaseKey[16]; 1817 __le32 LeaseState; 1818 __le64 LeaseDuration; 1819 } __packed; 1820 1821 #define OP_BREAK_STRUCT_SIZE_20 24 1822 #define OP_BREAK_STRUCT_SIZE_21 36 1823 #endif /* _COMMON_SMB2PDU_H */ 1824