1 /* SPDX-License-Identifier: LGPL-2.1 */ 2 #ifndef _COMMON_SMB2PDU_H 3 #define _COMMON_SMB2PDU_H 4 5 /* 6 * Note that, due to trying to use names similar to the protocol specifications, 7 * there are many mixed case field names in the structures below. Although 8 * this does not match typical Linux kernel style, it is necessary to be 9 * able to match against the protocol specfication. 10 * 11 * SMB2 commands 12 * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses 13 * (ie no useful data other than the SMB error code itself) and are marked such. 14 * Knowing this helps avoid response buffer allocations and copy in some cases. 15 */ 16 17 /* List of commands in host endian */ 18 #define SMB2_NEGOTIATE_HE 0x0000 19 #define SMB2_SESSION_SETUP_HE 0x0001 20 #define SMB2_LOGOFF_HE 0x0002 /* trivial request/resp */ 21 #define SMB2_TREE_CONNECT_HE 0x0003 22 #define SMB2_TREE_DISCONNECT_HE 0x0004 /* trivial req/resp */ 23 #define SMB2_CREATE_HE 0x0005 24 #define SMB2_CLOSE_HE 0x0006 25 #define SMB2_FLUSH_HE 0x0007 /* trivial resp */ 26 #define SMB2_READ_HE 0x0008 27 #define SMB2_WRITE_HE 0x0009 28 #define SMB2_LOCK_HE 0x000A 29 #define SMB2_IOCTL_HE 0x000B 30 #define SMB2_CANCEL_HE 0x000C 31 #define SMB2_ECHO_HE 0x000D 32 #define SMB2_QUERY_DIRECTORY_HE 0x000E 33 #define SMB2_CHANGE_NOTIFY_HE 0x000F 34 #define SMB2_QUERY_INFO_HE 0x0010 35 #define SMB2_SET_INFO_HE 0x0011 36 #define SMB2_OPLOCK_BREAK_HE 0x0012 37 #define SMB2_SERVER_TO_CLIENT_NOTIFICATION 0x0013 38 39 /* The same list in little endian */ 40 #define SMB2_NEGOTIATE cpu_to_le16(SMB2_NEGOTIATE_HE) 41 #define SMB2_SESSION_SETUP cpu_to_le16(SMB2_SESSION_SETUP_HE) 42 #define SMB2_LOGOFF cpu_to_le16(SMB2_LOGOFF_HE) 43 #define SMB2_TREE_CONNECT cpu_to_le16(SMB2_TREE_CONNECT_HE) 44 #define SMB2_TREE_DISCONNECT cpu_to_le16(SMB2_TREE_DISCONNECT_HE) 45 #define SMB2_CREATE cpu_to_le16(SMB2_CREATE_HE) 46 #define SMB2_CLOSE cpu_to_le16(SMB2_CLOSE_HE) 47 #define SMB2_FLUSH cpu_to_le16(SMB2_FLUSH_HE) 48 #define SMB2_READ cpu_to_le16(SMB2_READ_HE) 49 #define SMB2_WRITE cpu_to_le16(SMB2_WRITE_HE) 50 #define SMB2_LOCK cpu_to_le16(SMB2_LOCK_HE) 51 #define SMB2_IOCTL cpu_to_le16(SMB2_IOCTL_HE) 52 #define SMB2_CANCEL cpu_to_le16(SMB2_CANCEL_HE) 53 #define SMB2_ECHO cpu_to_le16(SMB2_ECHO_HE) 54 #define SMB2_QUERY_DIRECTORY cpu_to_le16(SMB2_QUERY_DIRECTORY_HE) 55 #define SMB2_CHANGE_NOTIFY cpu_to_le16(SMB2_CHANGE_NOTIFY_HE) 56 #define SMB2_QUERY_INFO cpu_to_le16(SMB2_QUERY_INFO_HE) 57 #define SMB2_SET_INFO cpu_to_le16(SMB2_SET_INFO_HE) 58 #define SMB2_OPLOCK_BREAK cpu_to_le16(SMB2_OPLOCK_BREAK_HE) 59 60 #define SMB2_INTERNAL_CMD cpu_to_le16(0xFFFF) 61 62 #define NUMBER_OF_SMB2_COMMANDS 0x0013 63 64 /* 65 * Size of the session key (crypto key encrypted with the password 66 */ 67 #define SMB2_NTLMV2_SESSKEY_SIZE 16 68 #define SMB2_SIGNATURE_SIZE 16 69 #define SMB2_HMACSHA256_SIZE 32 70 #define SMB2_CMACAES_SIZE 16 71 #define SMB3_GCM128_CRYPTKEY_SIZE 16 72 #define SMB3_GCM256_CRYPTKEY_SIZE 32 73 74 /* 75 * Size of the smb3 encryption/decryption keys 76 * This size is big enough to store any cipher key types. 77 */ 78 #define SMB3_ENC_DEC_KEY_SIZE 32 79 80 /* 81 * Size of the smb3 signing key 82 */ 83 #define SMB3_SIGN_KEY_SIZE 16 84 85 #define CIFS_CLIENT_CHALLENGE_SIZE 8 86 87 /* Maximum buffer size value we can send with 1 credit */ 88 #define SMB2_MAX_BUFFER_SIZE 65536 89 90 /* 91 * The default wsize is 1M for SMB2 (and for some CIFS cases). 92 * find_get_pages seems to return a maximum of 256 93 * pages in a single call. With PAGE_SIZE == 4k, this means we can 94 * fill a single wsize request with a single call. 95 */ 96 #define SMB3_DEFAULT_IOSIZE (4 * 1024 * 1024) 97 98 /* 99 * SMB2 Header Definition 100 * 101 * "MBZ" : Must be Zero 102 * "BB" : BugBug, Something to check/review/analyze later 103 * "PDU" : "Protocol Data Unit" (ie a network "frame") 104 * 105 */ 106 107 #define __SMB2_HEADER_STRUCTURE_SIZE 64 108 #define SMB2_HEADER_STRUCTURE_SIZE \ 109 cpu_to_le16(__SMB2_HEADER_STRUCTURE_SIZE) 110 111 #define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe) 112 #define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd) 113 #define SMB2_COMPRESSION_TRANSFORM_ID cpu_to_le32(0x424d53fc) 114 115 /* 116 * SMB2 flag definitions 117 */ 118 #define SMB2_FLAGS_SERVER_TO_REDIR cpu_to_le32(0x00000001) 119 #define SMB2_FLAGS_ASYNC_COMMAND cpu_to_le32(0x00000002) 120 #define SMB2_FLAGS_RELATED_OPERATIONS cpu_to_le32(0x00000004) 121 #define SMB2_FLAGS_SIGNED cpu_to_le32(0x00000008) 122 #define SMB2_FLAGS_PRIORITY_MASK cpu_to_le32(0x00000070) /* SMB3.1.1 */ 123 #define SMB2_FLAGS_DFS_OPERATIONS cpu_to_le32(0x10000000) 124 #define SMB2_FLAGS_REPLAY_OPERATION cpu_to_le32(0x20000000) /* SMB3 & up */ 125 126 /* 127 * Definitions for SMB2 Protocol Data Units (network frames) 128 * 129 * See MS-SMB2.PDF specification for protocol details. 130 * The Naming convention is the lower case version of the SMB2 131 * command code name for the struct. Note that structures must be packed. 132 * 133 */ 134 135 /* See MS-SMB2 section 2.2.1 */ 136 struct smb2_hdr { 137 __le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */ 138 __le16 StructureSize; /* 64 */ 139 __le16 CreditCharge; /* MBZ */ 140 __le32 Status; /* Error from server */ 141 __le16 Command; 142 __le16 CreditRequest; /* CreditResponse */ 143 __le32 Flags; 144 __le32 NextCommand; 145 __le64 MessageId; 146 union { 147 struct { 148 __le32 ProcessId; 149 __le32 TreeId; 150 } __packed SyncId; 151 __le64 AsyncId; 152 } __packed Id; 153 __le64 SessionId; 154 __u8 Signature[16]; 155 } __packed; 156 157 struct smb3_hdr_req { 158 __le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */ 159 __le16 StructureSize; /* 64 */ 160 __le16 CreditCharge; /* MBZ */ 161 __le16 ChannelSequence; /* See MS-SMB2 3.2.4.1 and 3.2.7.1 */ 162 __le16 Reserved; 163 __le16 Command; 164 __le16 CreditRequest; /* CreditResponse */ 165 __le32 Flags; 166 __le32 NextCommand; 167 __le64 MessageId; 168 union { 169 struct { 170 __le32 ProcessId; 171 __le32 TreeId; 172 } __packed SyncId; 173 __le64 AsyncId; 174 } __packed Id; 175 __le64 SessionId; 176 __u8 Signature[16]; 177 } __packed; 178 179 struct smb2_pdu { 180 struct smb2_hdr hdr; 181 __le16 StructureSize2; /* size of wct area (varies, request specific) */ 182 } __packed; 183 184 #define SMB2_ERROR_STRUCTURE_SIZE2 9 185 #define SMB2_ERROR_STRUCTURE_SIZE2_LE cpu_to_le16(SMB2_ERROR_STRUCTURE_SIZE2) 186 187 struct smb2_err_rsp { 188 struct smb2_hdr hdr; 189 __le16 StructureSize; 190 __u8 ErrorContextCount; 191 __u8 Reserved; 192 __le32 ByteCount; /* even if zero, at least one byte follows */ 193 __u8 ErrorData[]; /* variable length */ 194 } __packed; 195 196 #define SMB3_AES_CCM_NONCE 11 197 #define SMB3_AES_GCM_NONCE 12 198 199 /* Transform flags (for 3.0 dialect this flag indicates CCM */ 200 #define TRANSFORM_FLAG_ENCRYPTED 0x0001 201 struct smb2_transform_hdr { 202 __le32 ProtocolId; /* 0xFD 'S' 'M' 'B' */ 203 __u8 Signature[16]; 204 __u8 Nonce[16]; 205 __le32 OriginalMessageSize; 206 __u16 Reserved1; 207 __le16 Flags; /* EncryptionAlgorithm for 3.0, enc enabled for 3.1.1 */ 208 __le64 SessionId; 209 } __packed; 210 211 212 /* See MS-SMB2 2.2.42 */ 213 struct smb2_compression_transform_hdr_unchained { 214 __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */ 215 __le32 OriginalCompressedSegmentSize; 216 __le16 CompressionAlgorithm; 217 __le16 Flags; 218 __le16 Length; /* if chained it is length, else offset */ 219 } __packed; 220 221 /* See MS-SMB2 2.2.42.1 */ 222 #define SMB2_COMPRESSION_FLAG_NONE 0x0000 223 #define SMB2_COMPRESSION_FLAG_CHAINED 0x0001 224 225 struct compression_payload_header { 226 __le16 CompressionAlgorithm; 227 __le16 Flags; 228 __le32 Length; /* length of compressed playload including field below if present */ 229 /* __le32 OriginalPayloadSize; */ /* optional, present when LZNT1, LZ77, LZ77+Huffman */ 230 } __packed; 231 232 /* See MS-SMB2 2.2.42.2 */ 233 struct smb2_compression_transform_hdr_chained { 234 __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */ 235 __le32 OriginalCompressedSegmentSize; 236 /* struct compression_payload_header[] */ 237 } __packed; 238 239 /* See MS-SMB2 2.2.42.2.2 */ 240 struct compression_pattern_payload_v1 { 241 __le16 Pattern; 242 __le16 Reserved1; 243 __le16 Reserved2; 244 __le32 Repetitions; 245 } __packed; 246 247 /* See MS-SMB2 section 2.2.9.2 */ 248 /* Context Types */ 249 #define SMB2_RESERVED_TREE_CONNECT_CONTEXT_ID 0x0000 250 #define SMB2_REMOTED_IDENTITY_TREE_CONNECT_CONTEXT_ID cpu_to_le16(0x0001) 251 252 struct tree_connect_contexts { 253 __le16 ContextType; 254 __le16 DataLength; 255 __le32 Reserved; 256 __u8 Data[]; 257 } __packed; 258 259 /* Remoted identity tree connect context structures - see MS-SMB2 2.2.9.2.1 */ 260 struct smb3_blob_data { 261 __le16 BlobSize; 262 __u8 BlobData[]; 263 } __packed; 264 265 /* Valid values for Attr */ 266 #define SE_GROUP_MANDATORY 0x00000001 267 #define SE_GROUP_ENABLED_BY_DEFAULT 0x00000002 268 #define SE_GROUP_ENABLED 0x00000004 269 #define SE_GROUP_OWNER 0x00000008 270 #define SE_GROUP_USE_FOR_DENY_ONLY 0x00000010 271 #define SE_GROUP_INTEGRITY 0x00000020 272 #define SE_GROUP_INTEGRITY_ENABLED 0x00000040 273 #define SE_GROUP_RESOURCE 0x20000000 274 #define SE_GROUP_LOGON_ID 0xC0000000 275 276 /* struct sid_attr_data is SidData array in BlobData format then le32 Attr */ 277 278 struct sid_array_data { 279 __le16 SidAttrCount; 280 /* SidAttrList - array of sid_attr_data structs */ 281 } __packed; 282 283 struct luid_attr_data { 284 285 } __packed; 286 287 /* 288 * struct privilege_data is the same as BLOB_DATA - see MS-SMB2 2.2.9.2.1.5 289 * but with size of LUID_ATTR_DATA struct and BlobData set to LUID_ATTR DATA 290 */ 291 292 struct privilege_array_data { 293 __le16 PrivilegeCount; 294 /* array of privilege_data structs */ 295 } __packed; 296 297 struct remoted_identity_tcon_context { 298 __le16 TicketType; /* must be 0x0001 */ 299 __le16 TicketSize; /* total size of this struct */ 300 __le16 User; /* offset to SID_ATTR_DATA struct with user info */ 301 __le16 UserName; /* offset to null terminated Unicode username string */ 302 __le16 Domain; /* offset to null terminated Unicode domain name */ 303 __le16 Groups; /* offset to SID_ARRAY_DATA struct with group info */ 304 __le16 RestrictedGroups; /* similar to above */ 305 __le16 Privileges; /* offset to PRIVILEGE_ARRAY_DATA struct */ 306 __le16 PrimaryGroup; /* offset to SID_ARRAY_DATA struct */ 307 __le16 Owner; /* offset to BLOB_DATA struct */ 308 __le16 DefaultDacl; /* offset to BLOB_DATA struct */ 309 __le16 DeviceGroups; /* offset to SID_ARRAY_DATA struct */ 310 __le16 UserClaims; /* offset to BLOB_DATA struct */ 311 __le16 DeviceClaims; /* offset to BLOB_DATA struct */ 312 __u8 TicketInfo[]; /* variable length buf - remoted identity data */ 313 } __packed; 314 315 struct smb2_tree_connect_req_extension { 316 __le32 TreeConnectContextOffset; 317 __le16 TreeConnectContextCount; 318 __u8 Reserved[10]; 319 __u8 PathName[]; /* variable sized array */ 320 /* followed by array of TreeConnectContexts */ 321 } __packed; 322 323 /* Flags/Reserved for SMB3.1.1 */ 324 #define SMB2_TREE_CONNECT_FLAG_CLUSTER_RECONNECT cpu_to_le16(0x0001) 325 #define SMB2_TREE_CONNECT_FLAG_REDIRECT_TO_OWNER cpu_to_le16(0x0002) 326 #define SMB2_TREE_CONNECT_FLAG_EXTENSION_PRESENT cpu_to_le16(0x0004) 327 328 struct smb2_tree_connect_req { 329 struct smb2_hdr hdr; 330 __le16 StructureSize; /* Must be 9 */ 331 __le16 Flags; /* Flags in SMB3.1.1 */ 332 __le16 PathOffset; 333 __le16 PathLength; 334 __u8 Buffer[]; /* variable length */ 335 } __packed; 336 337 /* Possible ShareType values */ 338 #define SMB2_SHARE_TYPE_DISK 0x01 339 #define SMB2_SHARE_TYPE_PIPE 0x02 340 #define SMB2_SHARE_TYPE_PRINT 0x03 341 342 /* 343 * Possible ShareFlags - exactly one and only one of the first 4 caching flags 344 * must be set (any of the remaining, SHI1005, flags may be set individually 345 * or in combination. 346 */ 347 #define SMB2_SHAREFLAG_MANUAL_CACHING 0x00000000 348 #define SMB2_SHAREFLAG_AUTO_CACHING 0x00000010 349 #define SMB2_SHAREFLAG_VDO_CACHING 0x00000020 350 #define SMB2_SHAREFLAG_NO_CACHING 0x00000030 351 #define SHI1005_FLAGS_DFS 0x00000001 352 #define SHI1005_FLAGS_DFS_ROOT 0x00000002 353 #define SMB2_SHAREFLAG_RESTRICT_EXCLUSIVE_OPENS 0x00000100 354 #define SMB2_SHAREFLAG_FORCE_SHARED_DELETE 0x00000200 355 #define SMB2_SHAREFLAG_ALLOW_NAMESPACE_CACHING 0x00000400 356 #define SMB2_SHAREFLAG_ACCESS_BASED_DIRECTORY_ENUM 0x00000800 357 #define SMB2_SHAREFLAG_FORCE_LEVELII_OPLOCK 0x00001000 358 #define SMB2_SHAREFLAG_ENABLE_HASH_V1 0x00002000 359 #define SMB2_SHAREFLAG_ENABLE_HASH_V2 0x00004000 360 #define SHI1005_FLAGS_ENCRYPT_DATA 0x00008000 361 #define SMB2_SHAREFLAG_IDENTITY_REMOTING 0x00040000 /* 3.1.1 */ 362 #define SMB2_SHAREFLAG_COMPRESS_DATA 0x00100000 /* 3.1.1 */ 363 #define SMB2_SHAREFLAG_ISOLATED_TRANSPORT 0x00200000 364 #define SHI1005_FLAGS_ALL 0x0034FF33 365 366 /* Possible share capabilities */ 367 #define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) /* all dialects */ 368 #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */ 369 #define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */ 370 #define SMB2_SHARE_CAP_CLUSTER cpu_to_le32(0x00000040) /* 3.0 */ 371 #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */ 372 #define SMB2_SHARE_CAP_REDIRECT_TO_OWNER cpu_to_le32(0x00000100) /* 3.1.1 */ 373 374 struct smb2_tree_connect_rsp { 375 struct smb2_hdr hdr; 376 __le16 StructureSize; /* Must be 16 */ 377 __u8 ShareType; /* see below */ 378 __u8 Reserved; 379 __le32 ShareFlags; /* see below */ 380 __le32 Capabilities; /* see below */ 381 __le32 MaximalAccess; 382 } __packed; 383 384 struct smb2_tree_disconnect_req { 385 struct smb2_hdr hdr; 386 __le16 StructureSize; /* Must be 4 */ 387 __le16 Reserved; 388 } __packed; 389 390 struct smb2_tree_disconnect_rsp { 391 struct smb2_hdr hdr; 392 __le16 StructureSize; /* Must be 4 */ 393 __le16 Reserved; 394 } __packed; 395 396 397 /* 398 * SMB2_NEGOTIATE_PROTOCOL See MS-SMB2 section 2.2.3 399 */ 400 /* SecurityMode flags */ 401 #define SMB2_NEGOTIATE_SIGNING_ENABLED 0x0001 402 #define SMB2_NEGOTIATE_SIGNING_ENABLED_LE cpu_to_le16(0x0001) 403 #define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002 404 #define SMB2_NEGOTIATE_SIGNING_REQUIRED_LE cpu_to_le16(0x0002) 405 #define SMB2_SEC_MODE_FLAGS_ALL 0x0003 406 407 /* Capabilities flags */ 408 #define SMB2_GLOBAL_CAP_DFS 0x00000001 409 #define SMB2_GLOBAL_CAP_LEASING 0x00000002 /* Resp only New to SMB2.1 */ 410 #define SMB2_GLOBAL_CAP_LARGE_MTU 0x00000004 /* Resp only New to SMB2.1 */ 411 #define SMB2_GLOBAL_CAP_MULTI_CHANNEL 0x00000008 /* New to SMB3 */ 412 #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */ 413 #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING 0x00000020 /* New to SMB3 */ 414 #define SMB2_GLOBAL_CAP_ENCRYPTION 0x00000040 /* New to SMB3 */ 415 #define SMB2_GLOBAL_CAP_NOTIFICATIONS 0x00000080 /* New to SMB3.1.1 */ 416 /* Internal types */ 417 #define SMB2_NT_FIND 0x00100000 418 #define SMB2_LARGE_FILES 0x00200000 419 420 #define SMB2_CLIENT_GUID_SIZE 16 421 #define SMB2_CREATE_GUID_SIZE 16 422 423 /* Dialects */ 424 #define SMB10_PROT_ID 0x0000 /* local only, not sent on wire w/CIFS negprot */ 425 #define SMB20_PROT_ID 0x0202 426 #define SMB21_PROT_ID 0x0210 427 #define SMB2X_PROT_ID 0x02FF 428 #define SMB30_PROT_ID 0x0300 429 #define SMB302_PROT_ID 0x0302 430 #define SMB311_PROT_ID 0x0311 431 #define BAD_PROT_ID 0xFFFF 432 433 #define SMB311_SALT_SIZE 32 434 /* Hash Algorithm Types */ 435 #define SMB2_PREAUTH_INTEGRITY_SHA512 cpu_to_le16(0x0001) 436 #define SMB2_PREAUTH_HASH_SIZE 64 437 438 /* Negotiate Contexts - ContextTypes. See MS-SMB2 section 2.2.3.1 for details */ 439 #define SMB2_PREAUTH_INTEGRITY_CAPABILITIES cpu_to_le16(1) 440 #define SMB2_ENCRYPTION_CAPABILITIES cpu_to_le16(2) 441 #define SMB2_COMPRESSION_CAPABILITIES cpu_to_le16(3) 442 #define SMB2_NETNAME_NEGOTIATE_CONTEXT_ID cpu_to_le16(5) 443 #define SMB2_TRANSPORT_CAPABILITIES cpu_to_le16(6) 444 #define SMB2_RDMA_TRANSFORM_CAPABILITIES cpu_to_le16(7) 445 #define SMB2_SIGNING_CAPABILITIES cpu_to_le16(8) 446 #define SMB2_POSIX_EXTENSIONS_AVAILABLE cpu_to_le16(0x100) 447 448 struct smb2_neg_context { 449 __le16 ContextType; 450 __le16 DataLength; 451 __le32 Reserved; 452 /* Followed by array of data. NOTE: some servers require padding to 8 byte boundary */ 453 } __packed; 454 455 /* 456 * SaltLength that the server send can be zero, so the only three required 457 * fields (all __le16) end up six bytes total, so the minimum context data len 458 * in the response is six bytes which accounts for 459 * 460 * HashAlgorithmCount, SaltLength, and 1 HashAlgorithm. 461 */ 462 #define MIN_PREAUTH_CTXT_DATA_LEN 6 463 464 struct smb2_preauth_neg_context { 465 __le16 ContextType; /* 1 */ 466 __le16 DataLength; 467 __le32 Reserved; 468 __le16 HashAlgorithmCount; /* 1 */ 469 __le16 SaltLength; 470 __le16 HashAlgorithms; /* HashAlgorithms[0] since only one defined */ 471 __u8 Salt[SMB311_SALT_SIZE]; 472 } __packed; 473 474 /* Encryption Algorithms Ciphers */ 475 #define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001) 476 #define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002) 477 #define SMB2_ENCRYPTION_AES256_CCM cpu_to_le16(0x0003) 478 #define SMB2_ENCRYPTION_AES256_GCM cpu_to_le16(0x0004) 479 480 /* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */ 481 #define MIN_ENCRYPT_CTXT_DATA_LEN 4 482 struct smb2_encryption_neg_context { 483 __le16 ContextType; /* 2 */ 484 __le16 DataLength; 485 __le32 Reserved; 486 /* CipherCount usally 2, but can be 3 when AES256-GCM enabled */ 487 __le16 CipherCount; /* AES128-GCM and AES128-CCM by default */ 488 __le16 Ciphers[]; 489 } __packed; 490 491 /* See MS-SMB2 2.2.3.1.3 */ 492 #define SMB3_COMPRESS_NONE cpu_to_le16(0x0000) 493 #define SMB3_COMPRESS_LZNT1 cpu_to_le16(0x0001) 494 #define SMB3_COMPRESS_LZ77 cpu_to_le16(0x0002) 495 #define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003) 496 /* Pattern scanning algorithm See MS-SMB2 3.1.4.4.1 */ 497 #define SMB3_COMPRESS_PATTERN cpu_to_le16(0x0004) /* Pattern_V1 */ 498 499 /* Compression Flags */ 500 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_NONE cpu_to_le32(0x00000000) 501 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_CHAINED cpu_to_le32(0x00000001) 502 503 struct smb2_compression_capabilities_context { 504 __le16 ContextType; /* 3 */ 505 __le16 DataLength; 506 __le32 Reserved; 507 __le16 CompressionAlgorithmCount; 508 __le16 Padding; 509 __le32 Flags; 510 __le16 CompressionAlgorithms[3]; 511 __u16 Pad; /* Some servers require pad to DataLen multiple of 8 */ 512 /* Check if pad needed */ 513 } __packed; 514 515 /* 516 * For smb2_netname_negotiate_context_id See MS-SMB2 2.2.3.1.4. 517 * Its struct simply contains NetName, an array of Unicode characters 518 */ 519 struct smb2_netname_neg_context { 520 __le16 ContextType; /* 5 */ 521 __le16 DataLength; 522 __le32 Reserved; 523 __le16 NetName[]; /* hostname of target converted to UCS-2 */ 524 } __packed; 525 526 /* 527 * For smb2_transport_capabilities context see MS-SMB2 2.2.3.1.5 528 * and 2.2.4.1.5 529 */ 530 531 /* Flags */ 532 #define SMB2_ACCEPT_TRANSPORT_LEVEL_SECURITY 0x00000001 533 534 struct smb2_transport_capabilities_context { 535 __le16 ContextType; /* 6 */ 536 __le16 DataLength; 537 __u32 Reserved; 538 __le32 Flags; 539 __u32 Pad; 540 } __packed; 541 542 /* 543 * For rdma transform capabilities context see MS-SMB2 2.2.3.1.6 544 * and 2.2.4.1.6 545 */ 546 547 /* RDMA Transform IDs */ 548 #define SMB2_RDMA_TRANSFORM_NONE 0x0000 549 #define SMB2_RDMA_TRANSFORM_ENCRYPTION 0x0001 550 #define SMB2_RDMA_TRANSFORM_SIGNING 0x0002 551 552 struct smb2_rdma_transform_capabilities_context { 553 __le16 ContextType; /* 7 */ 554 __le16 DataLength; 555 __u32 Reserved; 556 __le16 TransformCount; 557 __u16 Reserved1; 558 __u32 Reserved2; 559 __le16 RDMATransformIds[]; 560 } __packed; 561 562 /* 563 * For signing capabilities context see MS-SMB2 2.2.3.1.7 564 * and 2.2.4.1.7 565 */ 566 567 /* Signing algorithms */ 568 #define SIGNING_ALG_HMAC_SHA256 0 569 #define SIGNING_ALG_HMAC_SHA256_LE cpu_to_le16(0) 570 #define SIGNING_ALG_AES_CMAC 1 571 #define SIGNING_ALG_AES_CMAC_LE cpu_to_le16(1) 572 #define SIGNING_ALG_AES_GMAC 2 573 #define SIGNING_ALG_AES_GMAC_LE cpu_to_le16(2) 574 575 struct smb2_signing_capabilities { 576 __le16 ContextType; /* 8 */ 577 __le16 DataLength; 578 __le32 Reserved; 579 __le16 SigningAlgorithmCount; 580 __le16 SigningAlgorithms[]; 581 /* Followed by padding to 8 byte boundary (required by some servers) */ 582 } __packed; 583 584 #define POSIX_CTXT_DATA_LEN 16 585 struct smb2_posix_neg_context { 586 __le16 ContextType; /* 0x100 */ 587 __le16 DataLength; 588 __le32 Reserved; 589 __u8 Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */ 590 } __packed; 591 592 struct smb2_negotiate_req { 593 struct smb2_hdr hdr; 594 __le16 StructureSize; /* Must be 36 */ 595 __le16 DialectCount; 596 __le16 SecurityMode; 597 __le16 Reserved; /* MBZ */ 598 __le32 Capabilities; 599 __u8 ClientGUID[SMB2_CLIENT_GUID_SIZE]; 600 /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */ 601 __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */ 602 __le16 NegotiateContextCount; /* SMB3.1.1 only. MBZ earlier */ 603 __le16 Reserved2; 604 __le16 Dialects[]; 605 } __packed; 606 607 struct smb2_negotiate_rsp { 608 struct smb2_hdr hdr; 609 __le16 StructureSize; /* Must be 65 */ 610 __le16 SecurityMode; 611 __le16 DialectRevision; 612 __le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */ 613 __u8 ServerGUID[16]; 614 __le32 Capabilities; 615 __le32 MaxTransactSize; 616 __le32 MaxReadSize; 617 __le32 MaxWriteSize; 618 __le64 SystemTime; /* MBZ */ 619 __le64 ServerStartTime; 620 __le16 SecurityBufferOffset; 621 __le16 SecurityBufferLength; 622 __le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */ 623 __u8 Buffer[]; /* variable length GSS security buffer */ 624 } __packed; 625 626 627 /* 628 * SMB2_SESSION_SETUP See MS-SMB2 section 2.2.5 629 */ 630 /* Flags */ 631 #define SMB2_SESSION_REQ_FLAG_BINDING 0x01 632 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04 633 634 struct smb2_sess_setup_req { 635 struct smb2_hdr hdr; 636 __le16 StructureSize; /* Must be 25 */ 637 __u8 Flags; 638 __u8 SecurityMode; 639 __le32 Capabilities; 640 __le32 Channel; 641 __le16 SecurityBufferOffset; 642 __le16 SecurityBufferLength; 643 __le64 PreviousSessionId; 644 __u8 Buffer[]; /* variable length GSS security buffer */ 645 } __packed; 646 647 /* Currently defined SessionFlags */ 648 #define SMB2_SESSION_FLAG_IS_GUEST 0x0001 649 #define SMB2_SESSION_FLAG_IS_GUEST_LE cpu_to_le16(0x0001) 650 #define SMB2_SESSION_FLAG_IS_NULL 0x0002 651 #define SMB2_SESSION_FLAG_IS_NULL_LE cpu_to_le16(0x0002) 652 #define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004 653 #define SMB2_SESSION_FLAG_ENCRYPT_DATA_LE cpu_to_le16(0x0004) 654 655 struct smb2_sess_setup_rsp { 656 struct smb2_hdr hdr; 657 __le16 StructureSize; /* Must be 9 */ 658 __le16 SessionFlags; 659 __le16 SecurityBufferOffset; 660 __le16 SecurityBufferLength; 661 __u8 Buffer[]; /* variable length GSS security buffer */ 662 } __packed; 663 664 665 /* 666 * SMB2_LOGOFF See MS-SMB2 section 2.2.7 667 */ 668 struct smb2_logoff_req { 669 struct smb2_hdr hdr; 670 __le16 StructureSize; /* Must be 4 */ 671 __le16 Reserved; 672 } __packed; 673 674 struct smb2_logoff_rsp { 675 struct smb2_hdr hdr; 676 __le16 StructureSize; /* Must be 4 */ 677 __le16 Reserved; 678 } __packed; 679 680 681 /* 682 * SMB2_CLOSE See MS-SMB2 section 2.2.15 683 */ 684 /* Currently defined values for close flags */ 685 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001) 686 struct smb2_close_req { 687 struct smb2_hdr hdr; 688 __le16 StructureSize; /* Must be 24 */ 689 __le16 Flags; 690 __le32 Reserved; 691 __u64 PersistentFileId; /* opaque endianness */ 692 __u64 VolatileFileId; /* opaque endianness */ 693 } __packed; 694 695 /* 696 * Maximum size of a SMB2_CLOSE response is 64 (smb2 header) + 60 (data) 697 */ 698 #define MAX_SMB2_CLOSE_RESPONSE_SIZE 124 699 700 struct smb2_close_rsp { 701 struct smb2_hdr hdr; 702 __le16 StructureSize; /* 60 */ 703 __le16 Flags; 704 __le32 Reserved; 705 struct_group(network_open_info, 706 __le64 CreationTime; 707 __le64 LastAccessTime; 708 __le64 LastWriteTime; 709 __le64 ChangeTime; 710 /* Beginning of FILE_STANDARD_INFO equivalent */ 711 __le64 AllocationSize; 712 __le64 EndOfFile; 713 __le32 Attributes; 714 ); 715 } __packed; 716 717 718 /* 719 * SMB2_READ See MS-SMB2 section 2.2.19 720 */ 721 /* For read request Flags field below, following flag is defined for SMB3.02 */ 722 #define SMB2_READFLAG_READ_UNBUFFERED 0x01 723 #define SMB2_READFLAG_REQUEST_COMPRESSED 0x02 /* See MS-SMB2 2.2.19 */ 724 725 /* Channel field for read and write: exactly one of following flags can be set*/ 726 #define SMB2_CHANNEL_NONE cpu_to_le32(0x00000000) 727 #define SMB2_CHANNEL_RDMA_V1 cpu_to_le32(0x00000001) 728 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) 729 #define SMB2_CHANNEL_RDMA_TRANSFORM cpu_to_le32(0x00000003) 730 731 /* SMB2 read request without RFC1001 length at the beginning */ 732 struct smb2_read_req { 733 struct smb2_hdr hdr; 734 __le16 StructureSize; /* Must be 49 */ 735 __u8 Padding; /* offset from start of SMB2 header to place read */ 736 __u8 Flags; /* MBZ unless SMB3.02 or later */ 737 __le32 Length; 738 __le64 Offset; 739 __u64 PersistentFileId; 740 __u64 VolatileFileId; 741 __le32 MinimumCount; 742 __le32 Channel; /* MBZ except for SMB3 or later */ 743 __le32 RemainingBytes; 744 __le16 ReadChannelInfoOffset; 745 __le16 ReadChannelInfoLength; 746 __u8 Buffer[]; 747 } __packed; 748 749 /* Read flags */ 750 #define SMB2_READFLAG_RESPONSE_NONE cpu_to_le32(0x00000000) 751 #define SMB2_READFLAG_RESPONSE_RDMA_TRANSFORM cpu_to_le32(0x00000001) 752 753 struct smb2_read_rsp { 754 struct smb2_hdr hdr; 755 __le16 StructureSize; /* Must be 17 */ 756 __u8 DataOffset; 757 __u8 Reserved; 758 __le32 DataLength; 759 __le32 DataRemaining; 760 __le32 Flags; 761 __u8 Buffer[]; 762 } __packed; 763 764 765 /* 766 * SMB2_WRITE See MS-SMB2 section 2.2.21 767 */ 768 /* For write request Flags field below the following flags are defined: */ 769 #define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 /* SMB2.1 or later */ 770 #define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002 /* SMB3.02 or later */ 771 772 struct smb2_write_req { 773 struct smb2_hdr hdr; 774 __le16 StructureSize; /* Must be 49 */ 775 __le16 DataOffset; /* offset from start of SMB2 header to write data */ 776 __le32 Length; 777 __le64 Offset; 778 __u64 PersistentFileId; /* opaque endianness */ 779 __u64 VolatileFileId; /* opaque endianness */ 780 __le32 Channel; /* MBZ unless SMB3.02 or later */ 781 __le32 RemainingBytes; 782 __le16 WriteChannelInfoOffset; 783 __le16 WriteChannelInfoLength; 784 __le32 Flags; 785 __u8 Buffer[]; 786 } __packed; 787 788 struct smb2_write_rsp { 789 struct smb2_hdr hdr; 790 __le16 StructureSize; /* Must be 17 */ 791 __u8 DataOffset; 792 __u8 Reserved; 793 __le32 DataLength; 794 __le32 DataRemaining; 795 __u32 Reserved2; 796 __u8 Buffer[]; 797 } __packed; 798 799 800 /* 801 * SMB2_FLUSH See MS-SMB2 section 2.2.17 802 */ 803 struct smb2_flush_req { 804 struct smb2_hdr hdr; 805 __le16 StructureSize; /* Must be 24 */ 806 __le16 Reserved1; 807 __le32 Reserved2; 808 __u64 PersistentFileId; 809 __u64 VolatileFileId; 810 } __packed; 811 812 struct smb2_flush_rsp { 813 struct smb2_hdr hdr; 814 __le16 StructureSize; 815 __le16 Reserved; 816 } __packed; 817 818 #define SMB2_LOCKFLAG_SHARED 0x0001 819 #define SMB2_LOCKFLAG_EXCLUSIVE 0x0002 820 #define SMB2_LOCKFLAG_UNLOCK 0x0004 821 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY 0x0010 822 #define SMB2_LOCKFLAG_MASK 0x0007 823 824 struct smb2_lock_element { 825 __le64 Offset; 826 __le64 Length; 827 __le32 Flags; 828 __le32 Reserved; 829 } __packed; 830 831 struct smb2_lock_req { 832 struct smb2_hdr hdr; 833 __le16 StructureSize; /* Must be 48 */ 834 __le16 LockCount; 835 /* 836 * The least significant four bits are the index, the other 28 bits are 837 * the lock sequence number (0 to 64). See MS-SMB2 2.2.26 838 */ 839 __le32 LockSequenceNumber; 840 __u64 PersistentFileId; 841 __u64 VolatileFileId; 842 /* Followed by at least one */ 843 union { 844 struct smb2_lock_element lock; 845 DECLARE_FLEX_ARRAY(struct smb2_lock_element, locks); 846 }; 847 } __packed; 848 849 struct smb2_lock_rsp { 850 struct smb2_hdr hdr; 851 __le16 StructureSize; /* Must be 4 */ 852 __le16 Reserved; 853 } __packed; 854 855 struct smb2_echo_req { 856 struct smb2_hdr hdr; 857 __le16 StructureSize; /* Must be 4 */ 858 __u16 Reserved; 859 } __packed; 860 861 struct smb2_echo_rsp { 862 struct smb2_hdr hdr; 863 __le16 StructureSize; /* Must be 4 */ 864 __u16 Reserved; 865 } __packed; 866 867 /* 868 * Valid FileInformation classes for query directory 869 * 870 * Note that these are a subset of the (file) QUERY_INFO levels defined 871 * later in this file (but since QUERY_DIRECTORY uses equivalent numbers 872 * we do not redefine them here) 873 * 874 * FileDirectoryInfomation 0x01 875 * FileFullDirectoryInformation 0x02 876 * FileIdFullDirectoryInformation 0x26 877 * FileBothDirectoryInformation 0x03 878 * FileIdBothDirectoryInformation 0x25 879 * FileNamesInformation 0x0C 880 * FileIdExtdDirectoryInformation 0x3C 881 */ 882 883 /* search (query_directory) Flags field */ 884 #define SMB2_RESTART_SCANS 0x01 885 #define SMB2_RETURN_SINGLE_ENTRY 0x02 886 #define SMB2_INDEX_SPECIFIED 0x04 887 #define SMB2_REOPEN 0x10 888 889 struct smb2_query_directory_req { 890 struct smb2_hdr hdr; 891 __le16 StructureSize; /* Must be 33 */ 892 __u8 FileInformationClass; 893 __u8 Flags; 894 __le32 FileIndex; 895 __u64 PersistentFileId; 896 __u64 VolatileFileId; 897 __le16 FileNameOffset; 898 __le16 FileNameLength; 899 __le32 OutputBufferLength; 900 __u8 Buffer[]; 901 } __packed; 902 903 struct smb2_query_directory_rsp { 904 struct smb2_hdr hdr; 905 __le16 StructureSize; /* Must be 9 */ 906 __le16 OutputBufferOffset; 907 __le32 OutputBufferLength; 908 __u8 Buffer[]; 909 } __packed; 910 911 /* 912 * Maximum number of iovs we need for a set-info request. 913 * The largest one is rename/hardlink 914 * [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info 915 * [1] : path 916 * [2] : compound padding 917 */ 918 #define SMB2_SET_INFO_IOV_SIZE 3 919 920 struct smb2_set_info_req { 921 struct smb2_hdr hdr; 922 __le16 StructureSize; /* Must be 33 */ 923 __u8 InfoType; 924 __u8 FileInfoClass; 925 __le32 BufferLength; 926 __le16 BufferOffset; 927 __u16 Reserved; 928 __le32 AdditionalInformation; 929 __u64 PersistentFileId; 930 __u64 VolatileFileId; 931 __u8 Buffer[]; 932 } __packed; 933 934 struct smb2_set_info_rsp { 935 struct smb2_hdr hdr; 936 __le16 StructureSize; /* Must be 2 */ 937 } __packed; 938 939 /* 940 * SMB2_NOTIFY See MS-SMB2 section 2.2.35 941 */ 942 /* notify flags */ 943 #define SMB2_WATCH_TREE 0x0001 944 945 /* notify completion filter flags. See MS-FSCC 2.6 and MS-SMB2 2.2.35 */ 946 #define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001 947 #define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002 948 #define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004 949 #define FILE_NOTIFY_CHANGE_SIZE 0x00000008 950 #define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010 951 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020 952 #define FILE_NOTIFY_CHANGE_CREATION 0x00000040 953 #define FILE_NOTIFY_CHANGE_EA 0x00000080 954 #define FILE_NOTIFY_CHANGE_SECURITY 0x00000100 955 #define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200 956 #define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400 957 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800 958 959 /* SMB2 Notify Action Flags */ 960 #define FILE_ACTION_ADDED 0x00000001 961 #define FILE_ACTION_REMOVED 0x00000002 962 #define FILE_ACTION_MODIFIED 0x00000003 963 #define FILE_ACTION_RENAMED_OLD_NAME 0x00000004 964 #define FILE_ACTION_RENAMED_NEW_NAME 0x00000005 965 #define FILE_ACTION_ADDED_STREAM 0x00000006 966 #define FILE_ACTION_REMOVED_STREAM 0x00000007 967 #define FILE_ACTION_MODIFIED_STREAM 0x00000008 968 #define FILE_ACTION_REMOVED_BY_DELETE 0x00000009 969 970 struct smb2_change_notify_req { 971 struct smb2_hdr hdr; 972 __le16 StructureSize; 973 __le16 Flags; 974 __le32 OutputBufferLength; 975 __u64 PersistentFileId; /* opaque endianness */ 976 __u64 VolatileFileId; /* opaque endianness */ 977 __le32 CompletionFilter; 978 __u32 Reserved; 979 } __packed; 980 981 struct smb2_change_notify_rsp { 982 struct smb2_hdr hdr; 983 __le16 StructureSize; /* Must be 9 */ 984 __le16 OutputBufferOffset; 985 __le32 OutputBufferLength; 986 __u8 Buffer[]; /* array of file notify structs */ 987 } __packed; 988 989 /* 990 * SMB2_SERVER_TO_CLIENT_NOTIFICATION: See MS-SMB2 section 2.2.44 991 */ 992 993 #define SMB2_NOTIFY_SESSION_CLOSED 0x0000 994 995 struct smb2_server_client_notification { 996 struct smb2_hdr hdr; 997 __le16 StructureSize; 998 __u16 Reserved; /* MBZ */ 999 __le32 NotificationType; 1000 __u8 NotificationBuffer[4]; /* MBZ */ 1001 } __packed; 1002 1003 /* 1004 * SMB2_CREATE See MS-SMB2 section 2.2.13 1005 */ 1006 /* Oplock levels */ 1007 #define SMB2_OPLOCK_LEVEL_NONE 0x00 1008 #define SMB2_OPLOCK_LEVEL_II 0x01 1009 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08 1010 #define SMB2_OPLOCK_LEVEL_BATCH 0x09 1011 #define SMB2_OPLOCK_LEVEL_LEASE 0xFF 1012 /* Non-spec internal type */ 1013 #define SMB2_OPLOCK_LEVEL_NOCHANGE 0x99 1014 1015 /* Impersonation Levels. See MS-WPO section 9.7 and MSDN-IMPERS */ 1016 #define IL_ANONYMOUS cpu_to_le32(0x00000000) 1017 #define IL_IDENTIFICATION cpu_to_le32(0x00000001) 1018 #define IL_IMPERSONATION cpu_to_le32(0x00000002) 1019 #define IL_DELEGATE cpu_to_le32(0x00000003) 1020 1021 /* File Attrubutes */ 1022 #define FILE_ATTRIBUTE_READONLY 0x00000001 1023 #define FILE_ATTRIBUTE_HIDDEN 0x00000002 1024 #define FILE_ATTRIBUTE_SYSTEM 0x00000004 1025 #define FILE_ATTRIBUTE_DIRECTORY 0x00000010 1026 #define FILE_ATTRIBUTE_ARCHIVE 0x00000020 1027 #define FILE_ATTRIBUTE_NORMAL 0x00000080 1028 #define FILE_ATTRIBUTE_TEMPORARY 0x00000100 1029 #define FILE_ATTRIBUTE_SPARSE_FILE 0x00000200 1030 #define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400 1031 #define FILE_ATTRIBUTE_COMPRESSED 0x00000800 1032 #define FILE_ATTRIBUTE_OFFLINE 0x00001000 1033 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x00002000 1034 #define FILE_ATTRIBUTE_ENCRYPTED 0x00004000 1035 #define FILE_ATTRIBUTE_INTEGRITY_STREAM 0x00008000 1036 #define FILE_ATTRIBUTE_NO_SCRUB_DATA 0x00020000 1037 #define FILE_ATTRIBUTE__MASK 0x00007FB7 1038 1039 #define FILE_ATTRIBUTE_READONLY_LE cpu_to_le32(0x00000001) 1040 #define FILE_ATTRIBUTE_HIDDEN_LE cpu_to_le32(0x00000002) 1041 #define FILE_ATTRIBUTE_SYSTEM_LE cpu_to_le32(0x00000004) 1042 #define FILE_ATTRIBUTE_DIRECTORY_LE cpu_to_le32(0x00000010) 1043 #define FILE_ATTRIBUTE_ARCHIVE_LE cpu_to_le32(0x00000020) 1044 #define FILE_ATTRIBUTE_NORMAL_LE cpu_to_le32(0x00000080) 1045 #define FILE_ATTRIBUTE_TEMPORARY_LE cpu_to_le32(0x00000100) 1046 #define FILE_ATTRIBUTE_SPARSE_FILE_LE cpu_to_le32(0x00000200) 1047 #define FILE_ATTRIBUTE_REPARSE_POINT_LE cpu_to_le32(0x00000400) 1048 #define FILE_ATTRIBUTE_COMPRESSED_LE cpu_to_le32(0x00000800) 1049 #define FILE_ATTRIBUTE_OFFLINE_LE cpu_to_le32(0x00001000) 1050 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED_LE cpu_to_le32(0x00002000) 1051 #define FILE_ATTRIBUTE_ENCRYPTED_LE cpu_to_le32(0x00004000) 1052 #define FILE_ATTRIBUTE_INTEGRITY_STREAM_LE cpu_to_le32(0x00008000) 1053 #define FILE_ATTRIBUTE_NO_SCRUB_DATA_LE cpu_to_le32(0x00020000) 1054 #define FILE_ATTRIBUTE_MASK_LE cpu_to_le32(0x00007FB7) 1055 1056 /* Desired Access Flags */ 1057 #define FILE_READ_DATA_LE cpu_to_le32(0x00000001) 1058 #define FILE_LIST_DIRECTORY_LE cpu_to_le32(0x00000001) 1059 #define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002) 1060 #define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004) 1061 #define FILE_ADD_SUBDIRECTORY_LE cpu_to_le32(0x00000004) 1062 #define FILE_READ_EA_LE cpu_to_le32(0x00000008) 1063 #define FILE_WRITE_EA_LE cpu_to_le32(0x00000010) 1064 #define FILE_EXECUTE_LE cpu_to_le32(0x00000020) 1065 #define FILE_DELETE_CHILD_LE cpu_to_le32(0x00000040) 1066 #define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080) 1067 #define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100) 1068 #define FILE_DELETE_LE cpu_to_le32(0x00010000) 1069 #define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000) 1070 #define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000) 1071 #define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000) 1072 #define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000) 1073 #define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000) 1074 #define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000) 1075 #define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000) 1076 #define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000) 1077 #define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000) 1078 #define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000) 1079 #define DESIRED_ACCESS_MASK cpu_to_le32(0xF21F01FF) 1080 1081 1082 #define FILE_READ_DESIRED_ACCESS_LE (FILE_READ_DATA_LE | \ 1083 FILE_READ_EA_LE | \ 1084 FILE_GENERIC_READ_LE) 1085 #define FILE_WRITE_DESIRE_ACCESS_LE (FILE_WRITE_DATA_LE | \ 1086 FILE_APPEND_DATA_LE | \ 1087 FILE_WRITE_EA_LE | \ 1088 FILE_WRITE_ATTRIBUTES_LE | \ 1089 FILE_GENERIC_WRITE_LE) 1090 1091 /* ShareAccess Flags */ 1092 #define FILE_SHARE_READ_LE cpu_to_le32(0x00000001) 1093 #define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002) 1094 #define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004) 1095 #define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007) 1096 1097 /* CreateDisposition Flags */ 1098 #define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000) 1099 #define FILE_OPEN_LE cpu_to_le32(0x00000001) 1100 #define FILE_CREATE_LE cpu_to_le32(0x00000002) 1101 #define FILE_OPEN_IF_LE cpu_to_le32(0x00000003) 1102 #define FILE_OVERWRITE_LE cpu_to_le32(0x00000004) 1103 #define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005) 1104 #define FILE_CREATE_MASK_LE cpu_to_le32(0x00000007) 1105 1106 #define FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA \ 1107 | FILE_READ_ATTRIBUTES) 1108 #define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ 1109 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES) 1110 #define FILE_EXEC_RIGHTS (FILE_EXECUTE) 1111 1112 /* CreateOptions Flags */ 1113 #define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001) 1114 /* same as #define CREATE_NOT_FILE_LE cpu_to_le32(0x00000001) */ 1115 #define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002) 1116 #define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004) 1117 #define FILE_NO_INTERMEDIATE_BUFFERING_LE cpu_to_le32(0x00000008) 1118 /* FILE_SYNCHRONOUS_IO_ALERT_LE cpu_to_le32(0x00000010) should be zero, ignored */ 1119 /* FILE_SYNCHRONOUS_IO_NONALERT cpu_to_le32(0x00000020) should be zero, ignored */ 1120 #define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040) 1121 #define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100) 1122 #define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200) 1123 /* FILE_OPEN_REMOTE_INSTANCE cpu_to_le32(0x00000400) should be zero, ignored */ 1124 #define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800) 1125 #define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000) /* MBZ */ 1126 #define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000) 1127 #define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000) 1128 #define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000) 1129 /* FILE_OPEN_REQUIRING_OPLOCK cpu_to_le32(0x00010000) should be zero, ignored */ 1130 /* FILE_DISALLOW_EXCLUSIVE cpu_to_le32(0x00020000) should be zero, ignored */ 1131 /* FILE_RESERVE_OPFILTER cpu_to_le32(0x00100000) MBZ */ 1132 #define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000) 1133 #define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000) 1134 /* #define FILE_OPEN_FOR_FREE_SPACE_QUERY cpu_to_le32(0x00800000) should be zero, ignored */ 1135 #define CREATE_OPTIONS_MASK_LE cpu_to_le32(0x00FFFFFF) 1136 1137 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \ 1138 | FILE_READ_ATTRIBUTES_LE) 1139 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \ 1140 | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE) 1141 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE) 1142 1143 /* Create Context Values */ 1144 #define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */ 1145 #define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */ 1146 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ" 1147 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC" 1148 #define SMB2_CREATE_ALLOCATION_SIZE "AlSi" 1149 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc" 1150 #define SMB2_CREATE_TIMEWARP_REQUEST "TWrp" 1151 #define SMB2_CREATE_QUERY_ON_DISK_ID "QFid" 1152 #define SMB2_CREATE_REQUEST_LEASE "RqLs" 1153 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q" 1154 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C" 1155 #define SMB2_CREATE_TAG_POSIX "\x93\xAD\x25\x50\x9C\xB4\x11\xE7\xB4\x23\x83\xDE\x96\x8B\xCD\x7C" 1156 #define SMB2_CREATE_APP_INSTANCE_ID "\x45\xBC\xA6\x6A\xEF\xA7\xF7\x4A\x90\x08\xFA\x46\x2E\x14\x4D\x74" 1157 #define SMB2_CREATE_APP_INSTANCE_VERSION "\xB9\x82\xD0\xB7\x3B\x56\x07\x4F\xA0\x7B\x52\x4A\x81\x16\xA0\x10" 1158 #define SVHDX_OPEN_DEVICE_CONTEXT "\x9C\xCB\xCF\x9E\x04\xC1\xE6\x43\x98\x0E\x15\x8D\xA1\xF6\xEC\x83" 1159 #define SMB2_CREATE_TAG_AAPL "AAPL" 1160 1161 /* Flag (SMB3 open response) values */ 1162 #define SMB2_CREATE_FLAG_REPARSEPOINT 0x01 1163 1164 struct create_context { 1165 __le32 Next; 1166 __le16 NameOffset; 1167 __le16 NameLength; 1168 __le16 Reserved; 1169 __le16 DataOffset; 1170 __le32 DataLength; 1171 __u8 Buffer[]; 1172 } __packed; 1173 1174 struct smb2_create_req { 1175 struct smb2_hdr hdr; 1176 __le16 StructureSize; /* Must be 57 */ 1177 __u8 SecurityFlags; 1178 __u8 RequestedOplockLevel; 1179 __le32 ImpersonationLevel; 1180 __le64 SmbCreateFlags; 1181 __le64 Reserved; 1182 __le32 DesiredAccess; 1183 __le32 FileAttributes; 1184 __le32 ShareAccess; 1185 __le32 CreateDisposition; 1186 __le32 CreateOptions; 1187 __le16 NameOffset; 1188 __le16 NameLength; 1189 __le32 CreateContextsOffset; 1190 __le32 CreateContextsLength; 1191 __u8 Buffer[]; 1192 } __packed; 1193 1194 struct smb2_create_rsp { 1195 struct smb2_hdr hdr; 1196 __le16 StructureSize; /* Must be 89 */ 1197 __u8 OplockLevel; 1198 __u8 Flags; /* 0x01 if reparse point */ 1199 __le32 CreateAction; 1200 __le64 CreationTime; 1201 __le64 LastAccessTime; 1202 __le64 LastWriteTime; 1203 __le64 ChangeTime; 1204 __le64 AllocationSize; 1205 __le64 EndofFile; 1206 __le32 FileAttributes; 1207 __le32 Reserved2; 1208 __u64 PersistentFileId; 1209 __u64 VolatileFileId; 1210 __le32 CreateContextsOffset; 1211 __le32 CreateContextsLength; 1212 __u8 Buffer[]; 1213 } __packed; 1214 1215 struct create_posix { 1216 struct create_context ccontext; 1217 __u8 Name[16]; 1218 __le32 Mode; 1219 __u32 Reserved; 1220 } __packed; 1221 1222 /* See MS-SMB2 2.2.13.2.3 and MS-SMB2 2.2.13.2.4 */ 1223 struct create_durable { 1224 struct create_context ccontext; 1225 __u8 Name[8]; 1226 union { 1227 __u8 Reserved[16]; 1228 struct { 1229 __u64 PersistentFileId; 1230 __u64 VolatileFileId; 1231 } Fid; 1232 } Data; 1233 } __packed; 1234 1235 /* See MS-SMB2 2.2.13.2.5 */ 1236 struct create_mxac_req { 1237 struct create_context ccontext; 1238 __u8 Name[8]; 1239 __le64 Timestamp; 1240 } __packed; 1241 1242 /* See MS-SMB2 2.2.14.2.5 */ 1243 struct create_mxac_rsp { 1244 struct create_context ccontext; 1245 __u8 Name[8]; 1246 __le32 QueryStatus; 1247 __le32 MaximalAccess; 1248 } __packed; 1249 1250 #define SMB2_LEASE_NONE_LE cpu_to_le32(0x00) 1251 #define SMB2_LEASE_READ_CACHING_LE cpu_to_le32(0x01) 1252 #define SMB2_LEASE_HANDLE_CACHING_LE cpu_to_le32(0x02) 1253 #define SMB2_LEASE_WRITE_CACHING_LE cpu_to_le32(0x04) 1254 1255 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS_LE cpu_to_le32(0x02) 1256 #define SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET_LE cpu_to_le32(0x04) 1257 1258 #define SMB2_LEASE_KEY_SIZE 16 1259 1260 /* See MS-SMB2 2.2.13.2.8 */ 1261 struct lease_context { 1262 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 1263 __le32 LeaseState; 1264 __le32 LeaseFlags; 1265 __le64 LeaseDuration; 1266 } __packed; 1267 1268 /* See MS-SMB2 2.2.13.2.10 */ 1269 struct lease_context_v2 { 1270 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 1271 __le32 LeaseState; 1272 __le32 LeaseFlags; 1273 __le64 LeaseDuration; 1274 __u8 ParentLeaseKey[SMB2_LEASE_KEY_SIZE]; 1275 __le16 Epoch; 1276 __le16 Reserved; 1277 } __packed; 1278 1279 struct create_lease { 1280 struct create_context ccontext; 1281 __u8 Name[8]; 1282 struct lease_context lcontext; 1283 } __packed; 1284 1285 struct create_lease_v2 { 1286 struct create_context ccontext; 1287 __u8 Name[8]; 1288 struct lease_context_v2 lcontext; 1289 __u8 Pad[4]; 1290 } __packed; 1291 1292 /* See MS-SMB2 2.2.14.2.9 */ 1293 struct create_disk_id_rsp { 1294 struct create_context ccontext; 1295 __u8 Name[8]; 1296 __le64 DiskFileId; 1297 __le64 VolumeId; 1298 __u8 Reserved[16]; 1299 } __packed; 1300 1301 /* See MS-SMB2 2.2.13.2.13 */ 1302 struct create_app_inst_id { 1303 struct create_context ccontext; 1304 __u8 Name[16]; 1305 __le32 StructureSize; /* Must be 20 */ 1306 __u16 Reserved; 1307 __u8 AppInstanceId[16]; 1308 } __packed; 1309 1310 /* See MS-SMB2 2.2.13.2.15 */ 1311 struct create_app_inst_id_vers { 1312 struct create_context ccontext; 1313 __u8 Name[16]; 1314 __le32 StructureSize; /* Must be 24 */ 1315 __u16 Reserved; 1316 __u32 Padding; 1317 __le64 AppInstanceVersionHigh; 1318 __le64 AppInstanceVersionLow; 1319 } __packed; 1320 1321 /* See MS-SMB2 2.2.31 and 2.2.32 */ 1322 struct smb2_ioctl_req { 1323 struct smb2_hdr hdr; 1324 __le16 StructureSize; /* Must be 57 */ 1325 __le16 Reserved; /* offset from start of SMB2 header to write data */ 1326 __le32 CtlCode; 1327 __u64 PersistentFileId; 1328 __u64 VolatileFileId; 1329 __le32 InputOffset; /* Reserved MBZ */ 1330 __le32 InputCount; 1331 __le32 MaxInputResponse; 1332 __le32 OutputOffset; 1333 __le32 OutputCount; 1334 __le32 MaxOutputResponse; 1335 __le32 Flags; 1336 __le32 Reserved2; 1337 __u8 Buffer[]; 1338 } __packed; 1339 1340 struct smb2_ioctl_rsp { 1341 struct smb2_hdr hdr; 1342 __le16 StructureSize; /* Must be 49 */ 1343 __le16 Reserved; 1344 __le32 CtlCode; 1345 __u64 PersistentFileId; 1346 __u64 VolatileFileId; 1347 __le32 InputOffset; /* Reserved MBZ */ 1348 __le32 InputCount; 1349 __le32 OutputOffset; 1350 __le32 OutputCount; 1351 __le32 Flags; 1352 __le32 Reserved2; 1353 __u8 Buffer[]; 1354 } __packed; 1355 1356 /* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */ 1357 struct file_zero_data_information { 1358 __le64 FileOffset; 1359 __le64 BeyondFinalZero; 1360 } __packed; 1361 1362 /* See MS-FSCC 2.3.7 */ 1363 struct duplicate_extents_to_file { 1364 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 1365 __u64 VolatileFileHandle; 1366 __le64 SourceFileOffset; 1367 __le64 TargetFileOffset; 1368 __le64 ByteCount; /* Bytes to be copied */ 1369 } __packed; 1370 1371 /* See MS-FSCC 2.3.8 */ 1372 #define DUPLICATE_EXTENTS_DATA_EX_SOURCE_ATOMIC 0x00000001 1373 struct duplicate_extents_to_file_ex { 1374 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 1375 __u64 VolatileFileHandle; 1376 __le64 SourceFileOffset; 1377 __le64 TargetFileOffset; 1378 __le64 ByteCount; /* Bytes to be copied */ 1379 __le32 Flags; 1380 __le32 Reserved; 1381 } __packed; 1382 1383 1384 /* See MS-FSCC 2.3.20 */ 1385 struct fsctl_get_integrity_information_rsp { 1386 __le16 ChecksumAlgorithm; 1387 __le16 Reserved; 1388 __le32 Flags; 1389 __le32 ChecksumChunkSizeInBytes; 1390 __le32 ClusterSizeInBytes; 1391 } __packed; 1392 1393 /* See MS-FSCC 2.3.55 */ 1394 struct fsctl_query_file_regions_req { 1395 __le64 FileOffset; 1396 __le64 Length; 1397 __le32 DesiredUsage; 1398 __le32 Reserved; 1399 } __packed; 1400 1401 /* DesiredUsage flags see MS-FSCC 2.3.56.1 */ 1402 #define FILE_USAGE_INVALID_RANGE 0x00000000 1403 #define FILE_USAGE_VALID_CACHED_DATA 0x00000001 1404 #define FILE_USAGE_NONCACHED_DATA 0x00000002 1405 1406 struct file_region_info { 1407 __le64 FileOffset; 1408 __le64 Length; 1409 __le32 DesiredUsage; 1410 __le32 Reserved; 1411 } __packed; 1412 1413 /* See MS-FSCC 2.3.56 */ 1414 struct fsctl_query_file_region_rsp { 1415 __le32 Flags; 1416 __le32 TotalRegionEntryCount; 1417 __le32 RegionEntryCount; 1418 __u32 Reserved; 1419 struct file_region_info Regions[]; 1420 } __packed; 1421 1422 /* See MS-FSCC 2.3.58 */ 1423 struct fsctl_query_on_disk_vol_info_rsp { 1424 __le64 DirectoryCount; 1425 __le64 FileCount; 1426 __le16 FsFormatMajVersion; 1427 __le16 FsFormatMinVersion; 1428 __u8 FsFormatName[24]; 1429 __le64 FormatTime; 1430 __le64 LastUpdateTime; 1431 __u8 CopyrightInfo[68]; 1432 __u8 AbstractInfo[68]; 1433 __u8 FormatImplInfo[68]; 1434 __u8 LastModifyImplInfo[68]; 1435 } __packed; 1436 1437 /* See MS-FSCC 2.3.73 */ 1438 struct fsctl_set_integrity_information_req { 1439 __le16 ChecksumAlgorithm; 1440 __le16 Reserved; 1441 __le32 Flags; 1442 } __packed; 1443 1444 /* See MS-FSCC 2.3.75 */ 1445 struct fsctl_set_integrity_info_ex_req { 1446 __u8 EnableIntegrity; 1447 __u8 KeepState; 1448 __u16 Reserved; 1449 __le32 Flags; 1450 __u8 Version; 1451 __u8 Reserved2[7]; 1452 } __packed; 1453 1454 /* Integrity ChecksumAlgorithm choices for above */ 1455 #define CHECKSUM_TYPE_NONE 0x0000 1456 #define CHECKSUM_TYPE_CRC64 0x0002 1457 #define CHECKSUM_TYPE_UNCHANGED 0xFFFF /* set only */ 1458 1459 /* Integrity flags for above */ 1460 #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x00000001 1461 1462 /* Reparse structures - see MS-FSCC 2.1.2 */ 1463 1464 /* struct fsctl_reparse_info_req is empty, only response structs (see below) */ 1465 struct reparse_data_buffer { 1466 __le32 ReparseTag; 1467 __le16 ReparseDataLength; 1468 __u16 Reserved; 1469 __u8 DataBuffer[]; /* Variable Length */ 1470 } __packed; 1471 1472 struct reparse_guid_data_buffer { 1473 __le32 ReparseTag; 1474 __le16 ReparseDataLength; 1475 __u16 Reserved; 1476 __u8 ReparseGuid[16]; 1477 __u8 DataBuffer[]; /* Variable Length */ 1478 } __packed; 1479 1480 struct reparse_mount_point_data_buffer { 1481 __le32 ReparseTag; 1482 __le16 ReparseDataLength; 1483 __u16 Reserved; 1484 __le16 SubstituteNameOffset; 1485 __le16 SubstituteNameLength; 1486 __le16 PrintNameOffset; 1487 __le16 PrintNameLength; 1488 __u8 PathBuffer[]; /* Variable Length */ 1489 } __packed; 1490 1491 #define SYMLINK_FLAG_RELATIVE 0x00000001 1492 1493 struct reparse_symlink_data_buffer { 1494 __le32 ReparseTag; 1495 __le16 ReparseDataLength; 1496 __u16 Reserved; 1497 __le16 SubstituteNameOffset; 1498 __le16 SubstituteNameLength; 1499 __le16 PrintNameOffset; 1500 __le16 PrintNameLength; 1501 __le32 Flags; 1502 __u8 PathBuffer[]; /* Variable Length */ 1503 } __packed; 1504 1505 /* See MS-FSCC 2.1.2.6 and cifspdu.h for struct reparse_posix_data */ 1506 1507 struct validate_negotiate_info_req { 1508 __le32 Capabilities; 1509 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1510 __le16 SecurityMode; 1511 __le16 DialectCount; 1512 __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */ 1513 } __packed; 1514 1515 struct validate_negotiate_info_rsp { 1516 __le32 Capabilities; 1517 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1518 __le16 SecurityMode; 1519 __le16 Dialect; /* Dialect in use for the connection */ 1520 } __packed; 1521 1522 1523 /* Possible InfoType values */ 1524 #define SMB2_O_INFO_FILE 0x01 1525 #define SMB2_O_INFO_FILESYSTEM 0x02 1526 #define SMB2_O_INFO_SECURITY 0x03 1527 #define SMB2_O_INFO_QUOTA 0x04 1528 1529 /* SMB2 Query Info see MS-SMB2 (2.2.37) or MS-DTYP */ 1530 1531 /* List of QUERY INFO levels (those also valid for QUERY_DIR are noted below */ 1532 #define FILE_DIRECTORY_INFORMATION 1 /* also for QUERY_DIR */ 1533 #define FILE_FULL_DIRECTORY_INFORMATION 2 /* also for QUERY_DIR */ 1534 #define FILE_BOTH_DIRECTORY_INFORMATION 3 /* also for QUERY_DIR */ 1535 #define FILE_BASIC_INFORMATION 4 1536 #define FILE_STANDARD_INFORMATION 5 1537 #define FILE_INTERNAL_INFORMATION 6 1538 #define FILE_EA_INFORMATION 7 1539 #define FILE_ACCESS_INFORMATION 8 1540 #define FILE_NAME_INFORMATION 9 1541 #define FILE_RENAME_INFORMATION 10 1542 #define FILE_LINK_INFORMATION 11 1543 #define FILE_NAMES_INFORMATION 12 /* also for QUERY_DIR */ 1544 #define FILE_DISPOSITION_INFORMATION 13 1545 #define FILE_POSITION_INFORMATION 14 1546 #define FILE_FULL_EA_INFORMATION 15 1547 #define FILE_MODE_INFORMATION 16 1548 #define FILE_ALIGNMENT_INFORMATION 17 1549 #define FILE_ALL_INFORMATION 18 1550 #define FILE_ALLOCATION_INFORMATION 19 1551 #define FILE_END_OF_FILE_INFORMATION 20 1552 #define FILE_ALTERNATE_NAME_INFORMATION 21 1553 #define FILE_STREAM_INFORMATION 22 1554 #define FILE_PIPE_INFORMATION 23 1555 #define FILE_PIPE_LOCAL_INFORMATION 24 1556 #define FILE_PIPE_REMOTE_INFORMATION 25 1557 #define FILE_MAILSLOT_QUERY_INFORMATION 26 1558 #define FILE_MAILSLOT_SET_INFORMATION 27 1559 #define FILE_COMPRESSION_INFORMATION 28 1560 #define FILE_OBJECT_ID_INFORMATION 29 1561 /* Number 30 not defined in documents */ 1562 #define FILE_MOVE_CLUSTER_INFORMATION 31 1563 #define FILE_QUOTA_INFORMATION 32 1564 #define FILE_REPARSE_POINT_INFORMATION 33 1565 #define FILE_NETWORK_OPEN_INFORMATION 34 1566 #define FILE_ATTRIBUTE_TAG_INFORMATION 35 1567 #define FILE_TRACKING_INFORMATION 36 1568 #define FILEID_BOTH_DIRECTORY_INFORMATION 37 /* also for QUERY_DIR */ 1569 #define FILEID_FULL_DIRECTORY_INFORMATION 38 /* also for QUERY_DIR */ 1570 #define FILE_VALID_DATA_LENGTH_INFORMATION 39 1571 #define FILE_SHORT_NAME_INFORMATION 40 1572 #define FILE_SFIO_RESERVE_INFORMATION 44 1573 #define FILE_SFIO_VOLUME_INFORMATION 45 1574 #define FILE_HARD_LINK_INFORMATION 46 1575 #define FILE_NORMALIZED_NAME_INFORMATION 48 1576 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50 1577 #define FILE_STANDARD_LINK_INFORMATION 54 1578 #define FILE_ID_INFORMATION 59 1579 #define FILE_ID_EXTD_DIRECTORY_INFORMATION 60 /* also for QUERY_DIR */ 1580 /* Used for Query Info and Find File POSIX Info for SMB3.1.1 and SMB1 */ 1581 #define SMB_FIND_FILE_POSIX_INFO 0x064 1582 1583 /* Security info type additionalinfo flags. */ 1584 #define OWNER_SECINFO 0x00000001 1585 #define GROUP_SECINFO 0x00000002 1586 #define DACL_SECINFO 0x00000004 1587 #define SACL_SECINFO 0x00000008 1588 #define LABEL_SECINFO 0x00000010 1589 #define ATTRIBUTE_SECINFO 0x00000020 1590 #define SCOPE_SECINFO 0x00000040 1591 #define BACKUP_SECINFO 0x00010000 1592 #define UNPROTECTED_SACL_SECINFO 0x10000000 1593 #define UNPROTECTED_DACL_SECINFO 0x20000000 1594 #define PROTECTED_SACL_SECINFO 0x40000000 1595 #define PROTECTED_DACL_SECINFO 0x80000000 1596 1597 /* Flags used for FileFullEAinfo */ 1598 #define SL_RESTART_SCAN 0x00000001 1599 #define SL_RETURN_SINGLE_ENTRY 0x00000002 1600 #define SL_INDEX_SPECIFIED 0x00000004 1601 1602 struct smb2_query_info_req { 1603 struct smb2_hdr hdr; 1604 __le16 StructureSize; /* Must be 41 */ 1605 __u8 InfoType; 1606 __u8 FileInfoClass; 1607 __le32 OutputBufferLength; 1608 __le16 InputBufferOffset; 1609 __u16 Reserved; 1610 __le32 InputBufferLength; 1611 __le32 AdditionalInformation; 1612 __le32 Flags; 1613 __u64 PersistentFileId; 1614 __u64 VolatileFileId; 1615 __u8 Buffer[]; 1616 } __packed; 1617 1618 struct smb2_query_info_rsp { 1619 struct smb2_hdr hdr; 1620 __le16 StructureSize; /* Must be 9 */ 1621 __le16 OutputBufferOffset; 1622 __le32 OutputBufferLength; 1623 __u8 Buffer[]; 1624 } __packed; 1625 1626 /* 1627 * PDU query infolevel structure definitions 1628 */ 1629 1630 /* See MS-FSCC 2.3.52 */ 1631 struct file_allocated_range_buffer { 1632 __le64 file_offset; 1633 __le64 length; 1634 } __packed; 1635 1636 struct smb2_file_internal_info { 1637 __le64 IndexNumber; 1638 } __packed; /* level 6 Query */ 1639 1640 struct smb2_file_rename_info { /* encoding of request for level 10 */ 1641 __u8 ReplaceIfExists; /* 1 = replace existing target with new */ 1642 /* 0 = fail if target already exists */ 1643 __u8 Reserved[7]; 1644 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1645 __le32 FileNameLength; 1646 char FileName[]; /* New name to be assigned */ 1647 /* padding - overall struct size must be >= 24 so filename + pad >= 6 */ 1648 } __packed; /* level 10 Set */ 1649 1650 struct smb2_file_link_info { /* encoding of request for level 11 */ 1651 __u8 ReplaceIfExists; /* 1 = replace existing link with new */ 1652 /* 0 = fail if link already exists */ 1653 __u8 Reserved[7]; 1654 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1655 __le32 FileNameLength; 1656 char FileName[]; /* Name to be assigned to new link */ 1657 } __packed; /* level 11 Set */ 1658 1659 /* 1660 * This level 18, although with struct with same name is different from cifs 1661 * level 0x107. Level 0x107 has an extra u64 between AccessFlags and 1662 * CurrentByteOffset. 1663 */ 1664 struct smb2_file_all_info { /* data block encoding of response to level 18 */ 1665 __le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */ 1666 __le64 LastAccessTime; 1667 __le64 LastWriteTime; 1668 __le64 ChangeTime; 1669 __le32 Attributes; 1670 __u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */ 1671 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 1672 __le64 EndOfFile; /* size ie offset to first free byte in file */ 1673 __le32 NumberOfLinks; /* hard links */ 1674 __u8 DeletePending; 1675 __u8 Directory; 1676 __u16 Pad2; /* End of FILE_STANDARD_INFO equivalent */ 1677 __le64 IndexNumber; 1678 __le32 EASize; 1679 __le32 AccessFlags; 1680 __le64 CurrentByteOffset; 1681 __le32 Mode; 1682 __le32 AlignmentRequirement; 1683 __le32 FileNameLength; 1684 union { 1685 char __pad; /* Legacy structure padding */ 1686 DECLARE_FLEX_ARRAY(char, FileName); 1687 }; 1688 } __packed; /* level 18 Query */ 1689 1690 struct smb2_file_eof_info { /* encoding of request for level 10 */ 1691 __le64 EndOfFile; /* new end of file value */ 1692 } __packed; /* level 20 Set */ 1693 1694 /* Level 100 query info */ 1695 struct smb311_posix_qinfo { 1696 __le64 CreationTime; 1697 __le64 LastAccessTime; 1698 __le64 LastWriteTime; 1699 __le64 ChangeTime; 1700 __le64 EndOfFile; 1701 __le64 AllocationSize; 1702 __le32 DosAttributes; 1703 __le64 Inode; 1704 __le32 DeviceId; 1705 __le32 Zero; 1706 /* beginning of POSIX Create Context Response */ 1707 __le32 HardLinks; 1708 __le32 ReparseTag; 1709 __le32 Mode; 1710 u8 Sids[]; 1711 /* 1712 * var sized owner SID 1713 * var sized group SID 1714 * le32 filenamelength 1715 * u8 filename[] 1716 */ 1717 } __packed; 1718 1719 /* File System Information Classes */ 1720 #define FS_VOLUME_INFORMATION 1 /* Query */ 1721 #define FS_LABEL_INFORMATION 2 /* Set */ 1722 #define FS_SIZE_INFORMATION 3 /* Query */ 1723 #define FS_DEVICE_INFORMATION 4 /* Query */ 1724 #define FS_ATTRIBUTE_INFORMATION 5 /* Query */ 1725 #define FS_CONTROL_INFORMATION 6 /* Query, Set */ 1726 #define FS_FULL_SIZE_INFORMATION 7 /* Query */ 1727 #define FS_OBJECT_ID_INFORMATION 8 /* Query, Set */ 1728 #define FS_DRIVER_PATH_INFORMATION 9 /* Query */ 1729 #define FS_SECTOR_SIZE_INFORMATION 11 /* SMB3 or later. Query */ 1730 #define FS_POSIX_INFORMATION 100 /* SMB3.1.1 POSIX. Query */ 1731 1732 struct smb2_fs_full_size_info { 1733 __le64 TotalAllocationUnits; 1734 __le64 CallerAvailableAllocationUnits; 1735 __le64 ActualAvailableAllocationUnits; 1736 __le32 SectorsPerAllocationUnit; 1737 __le32 BytesPerSector; 1738 } __packed; 1739 1740 #define SSINFO_FLAGS_ALIGNED_DEVICE 0x00000001 1741 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002 1742 #define SSINFO_FLAGS_NO_SEEK_PENALTY 0x00000004 1743 #define SSINFO_FLAGS_TRIM_ENABLED 0x00000008 1744 1745 /* sector size info struct */ 1746 struct smb3_fs_ss_info { 1747 __le32 LogicalBytesPerSector; 1748 __le32 PhysicalBytesPerSectorForAtomicity; 1749 __le32 PhysicalBytesPerSectorForPerf; 1750 __le32 FSEffPhysicalBytesPerSectorForAtomicity; 1751 __le32 Flags; 1752 __le32 ByteOffsetForSectorAlignment; 1753 __le32 ByteOffsetForPartitionAlignment; 1754 } __packed; 1755 1756 /* File System Control Information */ 1757 struct smb2_fs_control_info { 1758 __le64 FreeSpaceStartFiltering; 1759 __le64 FreeSpaceThreshold; 1760 __le64 FreeSpaceStopFiltering; 1761 __le64 DefaultQuotaThreshold; 1762 __le64 DefaultQuotaLimit; 1763 __le32 FileSystemControlFlags; 1764 __le32 Padding; 1765 } __packed; 1766 1767 /* volume info struct - see MS-FSCC 2.5.9 */ 1768 #define MAX_VOL_LABEL_LEN 32 1769 struct smb3_fs_vol_info { 1770 __le64 VolumeCreationTime; 1771 __u32 VolumeSerialNumber; 1772 __le32 VolumeLabelLength; /* includes trailing null */ 1773 __u8 SupportsObjects; /* True if eg like NTFS, supports objects */ 1774 __u8 Reserved; 1775 __u8 VolumeLabel[]; /* variable len */ 1776 } __packed; 1777 1778 /* See MS-SMB2 2.2.23 through 2.2.25 */ 1779 struct smb2_oplock_break { 1780 struct smb2_hdr hdr; 1781 __le16 StructureSize; /* Must be 24 */ 1782 __u8 OplockLevel; 1783 __u8 Reserved; 1784 __le32 Reserved2; 1785 __u64 PersistentFid; 1786 __u64 VolatileFid; 1787 } __packed; 1788 1789 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01) 1790 1791 struct smb2_lease_break { 1792 struct smb2_hdr hdr; 1793 __le16 StructureSize; /* Must be 44 */ 1794 __le16 Epoch; 1795 __le32 Flags; 1796 __u8 LeaseKey[16]; 1797 __le32 CurrentLeaseState; 1798 __le32 NewLeaseState; 1799 __le32 BreakReason; 1800 __le32 AccessMaskHint; 1801 __le32 ShareMaskHint; 1802 } __packed; 1803 1804 struct smb2_lease_ack { 1805 struct smb2_hdr hdr; 1806 __le16 StructureSize; /* Must be 36 */ 1807 __le16 Reserved; 1808 __le32 Flags; 1809 __u8 LeaseKey[16]; 1810 __le32 LeaseState; 1811 __le64 LeaseDuration; 1812 } __packed; 1813 1814 #define OP_BREAK_STRUCT_SIZE_20 24 1815 #define OP_BREAK_STRUCT_SIZE_21 36 1816 #endif /* _COMMON_SMB2PDU_H */ 1817