1 /* SPDX-License-Identifier: LGPL-2.1 */ 2 #ifndef _COMMON_SMB2PDU_H 3 #define _COMMON_SMB2PDU_H 4 5 #include <linux/types.h> 6 #include <linux/build_bug.h> 7 8 /* 9 * Note that, due to trying to use names similar to the protocol specifications, 10 * there are many mixed case field names in the structures below. Although 11 * this does not match typical Linux kernel style, it is necessary to be 12 * able to match against the protocol specification. 13 * 14 * SMB2 commands 15 * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses 16 * (ie no useful data other than the SMB error code itself) and are marked such. 17 * Knowing this helps avoid response buffer allocations and copy in some cases. 18 */ 19 20 /* List of commands in host endian */ 21 #define SMB2_NEGOTIATE_HE 0x0000 22 #define SMB2_SESSION_SETUP_HE 0x0001 23 #define SMB2_LOGOFF_HE 0x0002 /* trivial request/resp */ 24 #define SMB2_TREE_CONNECT_HE 0x0003 25 #define SMB2_TREE_DISCONNECT_HE 0x0004 /* trivial req/resp */ 26 #define SMB2_CREATE_HE 0x0005 27 #define SMB2_CLOSE_HE 0x0006 28 #define SMB2_FLUSH_HE 0x0007 /* trivial resp */ 29 #define SMB2_READ_HE 0x0008 30 #define SMB2_WRITE_HE 0x0009 31 #define SMB2_LOCK_HE 0x000A 32 #define SMB2_IOCTL_HE 0x000B 33 #define SMB2_CANCEL_HE 0x000C 34 #define SMB2_ECHO_HE 0x000D 35 #define SMB2_QUERY_DIRECTORY_HE 0x000E 36 #define SMB2_CHANGE_NOTIFY_HE 0x000F 37 #define SMB2_QUERY_INFO_HE 0x0010 38 #define SMB2_SET_INFO_HE 0x0011 39 #define SMB2_OPLOCK_BREAK_HE 0x0012 40 #define SMB2_SERVER_TO_CLIENT_NOTIFICATION 0x0013 41 42 /* The same list in little endian */ 43 #define SMB2_NEGOTIATE cpu_to_le16(SMB2_NEGOTIATE_HE) 44 #define SMB2_SESSION_SETUP cpu_to_le16(SMB2_SESSION_SETUP_HE) 45 #define SMB2_LOGOFF cpu_to_le16(SMB2_LOGOFF_HE) 46 #define SMB2_TREE_CONNECT cpu_to_le16(SMB2_TREE_CONNECT_HE) 47 #define SMB2_TREE_DISCONNECT cpu_to_le16(SMB2_TREE_DISCONNECT_HE) 48 #define SMB2_CREATE cpu_to_le16(SMB2_CREATE_HE) 49 #define SMB2_CLOSE cpu_to_le16(SMB2_CLOSE_HE) 50 #define SMB2_FLUSH cpu_to_le16(SMB2_FLUSH_HE) 51 #define SMB2_READ cpu_to_le16(SMB2_READ_HE) 52 #define SMB2_WRITE cpu_to_le16(SMB2_WRITE_HE) 53 #define SMB2_LOCK cpu_to_le16(SMB2_LOCK_HE) 54 #define SMB2_IOCTL cpu_to_le16(SMB2_IOCTL_HE) 55 #define SMB2_CANCEL cpu_to_le16(SMB2_CANCEL_HE) 56 #define SMB2_ECHO cpu_to_le16(SMB2_ECHO_HE) 57 #define SMB2_QUERY_DIRECTORY cpu_to_le16(SMB2_QUERY_DIRECTORY_HE) 58 #define SMB2_CHANGE_NOTIFY cpu_to_le16(SMB2_CHANGE_NOTIFY_HE) 59 #define SMB2_QUERY_INFO cpu_to_le16(SMB2_QUERY_INFO_HE) 60 #define SMB2_SET_INFO cpu_to_le16(SMB2_SET_INFO_HE) 61 #define SMB2_OPLOCK_BREAK cpu_to_le16(SMB2_OPLOCK_BREAK_HE) 62 63 #define SMB2_INTERNAL_CMD cpu_to_le16(0xFFFF) 64 65 #define NUMBER_OF_SMB2_COMMANDS 0x0013 66 67 /* 68 * Size of the session key (crypto key encrypted with the password 69 */ 70 #define SMB2_NTLMV2_SESSKEY_SIZE 16 71 #define SMB2_SIGNATURE_SIZE 16 72 #define SMB2_HMACSHA256_SIZE 32 73 #define SMB2_CMACAES_SIZE 16 74 #define SMB3_GCM128_CRYPTKEY_SIZE 16 75 #define SMB3_GCM256_CRYPTKEY_SIZE 32 76 77 /* 78 * Size of the smb3 encryption/decryption keys 79 * This size is big enough to store any cipher key types. 80 */ 81 #define SMB3_ENC_DEC_KEY_SIZE 32 82 83 /* 84 * Size of the smb3 signing key 85 */ 86 #define SMB3_SIGN_KEY_SIZE 16 87 88 #define CIFS_CLIENT_CHALLENGE_SIZE 8 89 90 /* Maximum buffer size value we can send with 1 credit */ 91 #define SMB2_MAX_BUFFER_SIZE 65536 92 93 /* 94 * The default wsize is 1M for SMB2 (and for some CIFS cases). 95 * find_get_pages seems to return a maximum of 256 96 * pages in a single call. With PAGE_SIZE == 4k, this means we can 97 * fill a single wsize request with a single call. 98 */ 99 #define SMB3_DEFAULT_IOSIZE (4 * 1024 * 1024) 100 101 /* According to MS-SMB2 specification The minimum recommended value is 65536.*/ 102 #define CIFS_MIN_DEFAULT_IOSIZE (65536) 103 104 /* 105 * SMB2 Header Definition 106 * 107 * "MBZ" : Must be Zero 108 * "BB" : BugBug, Something to check/review/analyze later 109 * "PDU" : "Protocol Data Unit" (ie a network "frame") 110 * 111 */ 112 113 #define __SMB2_HEADER_STRUCTURE_SIZE 64 114 #define SMB2_HEADER_STRUCTURE_SIZE \ 115 cpu_to_le16(__SMB2_HEADER_STRUCTURE_SIZE) 116 117 #define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe) 118 #define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd) 119 #define SMB2_COMPRESSION_TRANSFORM_ID cpu_to_le32(0x424d53fc) 120 121 /* 122 * SMB2 flag definitions 123 */ 124 #define SMB2_FLAGS_SERVER_TO_REDIR cpu_to_le32(0x00000001) 125 #define SMB2_FLAGS_ASYNC_COMMAND cpu_to_le32(0x00000002) 126 #define SMB2_FLAGS_RELATED_OPERATIONS cpu_to_le32(0x00000004) 127 #define SMB2_FLAGS_SIGNED cpu_to_le32(0x00000008) 128 #define SMB2_FLAGS_PRIORITY_MASK cpu_to_le32(0x00000070) /* SMB3.1.1 */ 129 #define SMB2_FLAGS_DFS_OPERATIONS cpu_to_le32(0x10000000) 130 #define SMB2_FLAGS_REPLAY_OPERATION cpu_to_le32(0x20000000) /* SMB3 & up */ 131 132 /* 133 * Definitions for SMB2 Protocol Data Units (network frames) 134 * 135 * See MS-SMB2.PDF specification for protocol details. 136 * The Naming convention is the lower case version of the SMB2 137 * command code name for the struct. Note that structures must be packed. 138 * 139 */ 140 141 /* See MS-SMB2 section 2.2.1 */ 142 struct smb2_hdr { 143 __le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */ 144 __le16 StructureSize; /* 64 */ 145 __le16 CreditCharge; /* MBZ */ 146 __le32 Status; /* Error from server */ 147 __le16 Command; 148 __le16 CreditRequest; /* CreditResponse */ 149 __le32 Flags; 150 __le32 NextCommand; 151 __le64 MessageId; 152 union { 153 struct { 154 __le32 ProcessId; 155 __le32 TreeId; 156 } __packed SyncId; 157 __le64 AsyncId; 158 } __packed Id; 159 __le64 SessionId; 160 __u8 Signature[16]; 161 } __packed; 162 163 struct smb3_hdr_req { 164 __le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */ 165 __le16 StructureSize; /* 64 */ 166 __le16 CreditCharge; /* MBZ */ 167 __le16 ChannelSequence; /* See MS-SMB2 3.2.4.1 and 3.2.7.1 */ 168 __le16 Reserved; 169 __le16 Command; 170 __le16 CreditRequest; /* CreditResponse */ 171 __le32 Flags; 172 __le32 NextCommand; 173 __le64 MessageId; 174 union { 175 struct { 176 __le32 ProcessId; 177 __le32 TreeId; 178 } __packed SyncId; 179 __le64 AsyncId; 180 } __packed Id; 181 __le64 SessionId; 182 __u8 Signature[16]; 183 } __packed; 184 185 struct smb2_pdu { 186 struct smb2_hdr hdr; 187 __le16 StructureSize2; /* size of wct area (varies, request specific) */ 188 } __packed; 189 190 #define SMB2_ERROR_STRUCTURE_SIZE2 9 191 #define SMB2_ERROR_STRUCTURE_SIZE2_LE cpu_to_le16(SMB2_ERROR_STRUCTURE_SIZE2) 192 193 struct smb2_err_rsp { 194 struct smb2_hdr hdr; 195 __le16 StructureSize; 196 __u8 ErrorContextCount; 197 __u8 Reserved; 198 __le32 ByteCount; /* even if zero, at least one byte follows */ 199 __u8 ErrorData[]; /* variable length */ 200 } __packed; 201 202 #define SMB3_AES_CCM_NONCE 11 203 #define SMB3_AES_GCM_NONCE 12 204 205 /* Transform flags (for 3.0 dialect this flag indicates CCM */ 206 #define TRANSFORM_FLAG_ENCRYPTED 0x0001 207 struct smb2_transform_hdr { 208 __le32 ProtocolId; /* 0xFD 'S' 'M' 'B' */ 209 __u8 Signature[16]; 210 __u8 Nonce[16]; 211 __le32 OriginalMessageSize; 212 __u16 Reserved1; 213 __le16 Flags; /* EncryptionAlgorithm for 3.0, enc enabled for 3.1.1 */ 214 __le64 SessionId; 215 } __packed; 216 217 /* 218 * These are simplified versions from the spec, as we don't need a fully fledged 219 * form of both unchained and chained structs. 220 * 221 * Moreover, even in chained compressed payloads, the initial compression header 222 * has the form of the unchained one -- i.e. it never has the 223 * OriginalPayloadSize field and ::Offset field always represent an offset 224 * (instead of a length, as it is in the chained header). 225 * 226 * See MS-SMB2 2.2.42 for more details. 227 */ 228 #define SMB2_COMPRESSION_FLAG_NONE 0x0000 229 #define SMB2_COMPRESSION_FLAG_CHAINED 0x0001 230 231 struct smb2_compression_hdr { 232 __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */ 233 __le32 OriginalCompressedSegmentSize; 234 __le16 CompressionAlgorithm; 235 __le16 Flags; 236 __le32 Offset; /* this is the size of the uncompressed SMB2 header below */ 237 /* uncompressed SMB2 header (READ or WRITE) goes here */ 238 /* compressed data goes here */ 239 } __packed; 240 241 /* 242 * ... OTOH, set compression payload header to always have OriginalPayloadSize 243 * as it's easier to pass the struct size minus sizeof(OriginalPayloadSize) 244 * than to juggle around the header/data memory. 245 */ 246 struct smb2_compression_payload_hdr { 247 __le16 CompressionAlgorithm; 248 __le16 Flags; 249 __le32 Length; /* length of compressed playload including field below if present */ 250 __le32 OriginalPayloadSize; /* accounted when LZNT1, LZ77, LZ77+Huffman */ 251 } __packed; 252 253 struct smb2_compression_pattern_v1 { 254 __u8 Pattern; 255 __u8 Reserved1; 256 __le16 Reserved2; 257 __le32 Repetitions; 258 } __packed; 259 260 /* See MS-SMB2 section 2.2.9.2 */ 261 /* Context Types */ 262 #define SMB2_RESERVED_TREE_CONNECT_CONTEXT_ID 0x0000 263 #define SMB2_REMOTED_IDENTITY_TREE_CONNECT_CONTEXT_ID cpu_to_le16(0x0001) 264 265 struct tree_connect_contexts { 266 __le16 ContextType; 267 __le16 DataLength; 268 __le32 Reserved; 269 __u8 Data[]; 270 } __packed; 271 272 /* Remoted identity tree connect context structures - see MS-SMB2 2.2.9.2.1 */ 273 struct smb3_blob_data { 274 __le16 BlobSize; 275 __u8 BlobData[]; 276 } __packed; 277 278 /* Valid values for Attr */ 279 #define SE_GROUP_MANDATORY 0x00000001 280 #define SE_GROUP_ENABLED_BY_DEFAULT 0x00000002 281 #define SE_GROUP_ENABLED 0x00000004 282 #define SE_GROUP_OWNER 0x00000008 283 #define SE_GROUP_USE_FOR_DENY_ONLY 0x00000010 284 #define SE_GROUP_INTEGRITY 0x00000020 285 #define SE_GROUP_INTEGRITY_ENABLED 0x00000040 286 #define SE_GROUP_RESOURCE 0x20000000 287 #define SE_GROUP_LOGON_ID 0xC0000000 288 289 struct sid_array_data { 290 __le16 SidAttrCount; 291 /* SidAttrList - array of sid_attr_data structs */ 292 } __packed; 293 294 /* struct sid_attr_data is SidData array in BlobData format then le32 Attr */ 295 struct sid_attr_data { 296 __le16 BlobSize; 297 __u8 BlobData[]; 298 /* __le32 Attr */ 299 } __packed; 300 301 /* 302 * struct privilege_data is the same as BLOB_DATA - see MS-SMB2 2.2.9.2.1.5 303 * but with size of LUID_ATTR_DATA struct and BlobData set to LUID_ATTR DATA 304 */ 305 306 struct privilege_array_data { 307 __le16 PrivilegeCount; 308 /* array of privilege_data structs */ 309 } __packed; 310 311 struct remoted_identity_tcon_context { 312 __le16 TicketType; /* must be 0x0001 */ 313 __le16 TicketSize; /* total size of this struct */ 314 __le16 User; /* offset to SID_ATTR_DATA struct with user info */ 315 __le16 UserName; /* offset to null terminated Unicode username string */ 316 __le16 Domain; /* offset to null terminated Unicode domain name */ 317 __le16 Groups; /* offset to SID_ARRAY_DATA struct with group info */ 318 __le16 RestrictedGroups; /* similar to above */ 319 __le16 Privileges; /* offset to PRIVILEGE_ARRAY_DATA struct */ 320 __le16 PrimaryGroup; /* offset to SID_ARRAY_DATA struct */ 321 __le16 Owner; /* offset to BLOB_DATA struct */ 322 __le16 DefaultDacl; /* offset to BLOB_DATA struct */ 323 __le16 DeviceGroups; /* offset to SID_ARRAY_DATA struct */ 324 __le16 UserClaims; /* offset to BLOB_DATA struct */ 325 __le16 DeviceClaims; /* offset to BLOB_DATA struct */ 326 __u8 TicketInfo[]; /* variable length buf - remoted identity data */ 327 } __packed; 328 329 struct smb2_tree_connect_req_extension { 330 __le32 TreeConnectContextOffset; 331 __le16 TreeConnectContextCount; 332 __u8 Reserved[10]; 333 __u8 PathName[]; /* variable sized array */ 334 /* followed by array of TreeConnectContexts */ 335 } __packed; 336 337 /* Flags/Reserved for SMB3.1.1 */ 338 #define SMB2_TREE_CONNECT_FLAG_CLUSTER_RECONNECT cpu_to_le16(0x0001) 339 #define SMB2_TREE_CONNECT_FLAG_REDIRECT_TO_OWNER cpu_to_le16(0x0002) 340 #define SMB2_TREE_CONNECT_FLAG_EXTENSION_PRESENT cpu_to_le16(0x0004) 341 342 struct smb2_tree_connect_req { 343 struct smb2_hdr hdr; 344 __le16 StructureSize; /* Must be 9 */ 345 __le16 Flags; /* Flags in SMB3.1.1 */ 346 __le16 PathOffset; 347 __le16 PathLength; 348 __u8 Buffer[]; /* variable length */ 349 } __packed; 350 351 /* Possible ShareType values */ 352 #define SMB2_SHARE_TYPE_DISK 0x01 353 #define SMB2_SHARE_TYPE_PIPE 0x02 354 #define SMB2_SHARE_TYPE_PRINT 0x03 355 356 /* 357 * Possible ShareFlags - exactly one and only one of the first 4 caching flags 358 * must be set (any of the remaining, SHI1005, flags may be set individually 359 * or in combination. 360 */ 361 #define SMB2_SHAREFLAG_MANUAL_CACHING 0x00000000 362 #define SMB2_SHAREFLAG_AUTO_CACHING 0x00000010 363 #define SMB2_SHAREFLAG_VDO_CACHING 0x00000020 364 #define SMB2_SHAREFLAG_NO_CACHING 0x00000030 365 #define SHI1005_FLAGS_DFS 0x00000001 366 #define SHI1005_FLAGS_DFS_ROOT 0x00000002 367 #define SMB2_SHAREFLAG_RESTRICT_EXCLUSIVE_OPENS 0x00000100 368 #define SMB2_SHAREFLAG_FORCE_SHARED_DELETE 0x00000200 369 #define SMB2_SHAREFLAG_ALLOW_NAMESPACE_CACHING 0x00000400 370 #define SMB2_SHAREFLAG_ACCESS_BASED_DIRECTORY_ENUM 0x00000800 371 #define SMB2_SHAREFLAG_FORCE_LEVELII_OPLOCK 0x00001000 372 #define SMB2_SHAREFLAG_ENABLE_HASH_V1 0x00002000 373 #define SMB2_SHAREFLAG_ENABLE_HASH_V2 0x00004000 374 #define SHI1005_FLAGS_ENCRYPT_DATA 0x00008000 375 #define SMB2_SHAREFLAG_IDENTITY_REMOTING 0x00040000 /* 3.1.1 */ 376 #define SMB2_SHAREFLAG_COMPRESS_DATA 0x00100000 /* 3.1.1 */ 377 #define SMB2_SHAREFLAG_ISOLATED_TRANSPORT 0x00200000 378 #define SHI1005_FLAGS_ALL 0x0034FF33 379 380 /* Possible share capabilities */ 381 #define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) /* all dialects */ 382 #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */ 383 #define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */ 384 #define SMB2_SHARE_CAP_CLUSTER cpu_to_le32(0x00000040) /* 3.0 */ 385 #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */ 386 #define SMB2_SHARE_CAP_REDIRECT_TO_OWNER cpu_to_le32(0x00000100) /* 3.1.1 */ 387 388 struct smb2_tree_connect_rsp { 389 struct smb2_hdr hdr; 390 __le16 StructureSize; /* Must be 16 */ 391 __u8 ShareType; /* see below */ 392 __u8 Reserved; 393 __le32 ShareFlags; /* see below */ 394 __le32 Capabilities; /* see below */ 395 __le32 MaximalAccess; 396 } __packed; 397 398 struct smb2_tree_disconnect_req { 399 struct smb2_hdr hdr; 400 __le16 StructureSize; /* Must be 4 */ 401 __le16 Reserved; 402 } __packed; 403 404 struct smb2_tree_disconnect_rsp { 405 struct smb2_hdr hdr; 406 __le16 StructureSize; /* Must be 4 */ 407 __le16 Reserved; 408 } __packed; 409 410 411 /* 412 * SMB2_NEGOTIATE_PROTOCOL See MS-SMB2 section 2.2.3 413 */ 414 /* SecurityMode flags */ 415 #define SMB2_NEGOTIATE_SIGNING_ENABLED 0x0001 416 #define SMB2_NEGOTIATE_SIGNING_ENABLED_LE cpu_to_le16(0x0001) 417 #define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002 418 #define SMB2_NEGOTIATE_SIGNING_REQUIRED_LE cpu_to_le16(0x0002) 419 #define SMB2_SEC_MODE_FLAGS_ALL 0x0003 420 421 /* Capabilities flags */ 422 #define SMB2_GLOBAL_CAP_DFS 0x00000001 423 #define SMB2_GLOBAL_CAP_LEASING 0x00000002 /* Resp only New to SMB2.1 */ 424 #define SMB2_GLOBAL_CAP_LARGE_MTU 0x00000004 /* Resp only New to SMB2.1 */ 425 #define SMB2_GLOBAL_CAP_MULTI_CHANNEL 0x00000008 /* New to SMB3 */ 426 #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */ 427 #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING 0x00000020 /* New to SMB3 */ 428 #define SMB2_GLOBAL_CAP_ENCRYPTION 0x00000040 /* New to SMB3 */ 429 #define SMB2_GLOBAL_CAP_NOTIFICATIONS 0x00000080 /* New to SMB3.1.1 */ 430 /* Internal types */ 431 #define SMB2_NT_FIND 0x00100000 432 #define SMB2_LARGE_FILES 0x00200000 433 434 #define SMB2_CLIENT_GUID_SIZE 16 435 #define SMB2_CREATE_GUID_SIZE 16 436 437 /* Dialects */ 438 #define SMB10_PROT_ID 0x0000 /* local only, not sent on wire w/CIFS negprot */ 439 #define SMB20_PROT_ID 0x0202 440 #define SMB21_PROT_ID 0x0210 441 #define SMB2X_PROT_ID 0x02FF 442 #define SMB30_PROT_ID 0x0300 443 #define SMB302_PROT_ID 0x0302 444 #define SMB311_PROT_ID 0x0311 445 #define BAD_PROT_ID 0xFFFF 446 447 #define SMB311_SALT_SIZE 32 448 /* Hash Algorithm Types */ 449 #define SMB2_PREAUTH_INTEGRITY_SHA512 cpu_to_le16(0x0001) 450 #define SMB2_PREAUTH_HASH_SIZE 64 451 452 /* Negotiate Contexts - ContextTypes. See MS-SMB2 section 2.2.3.1 for details */ 453 #define SMB2_PREAUTH_INTEGRITY_CAPABILITIES cpu_to_le16(1) 454 #define SMB2_ENCRYPTION_CAPABILITIES cpu_to_le16(2) 455 #define SMB2_COMPRESSION_CAPABILITIES cpu_to_le16(3) 456 #define SMB2_NETNAME_NEGOTIATE_CONTEXT_ID cpu_to_le16(5) 457 #define SMB2_TRANSPORT_CAPABILITIES cpu_to_le16(6) 458 #define SMB2_RDMA_TRANSFORM_CAPABILITIES cpu_to_le16(7) 459 #define SMB2_SIGNING_CAPABILITIES cpu_to_le16(8) 460 #define SMB2_POSIX_EXTENSIONS_AVAILABLE cpu_to_le16(0x100) 461 462 struct smb2_neg_context { 463 __le16 ContextType; 464 __le16 DataLength; 465 __le32 Reserved; 466 /* Followed by array of data. NOTE: some servers require padding to 8 byte boundary */ 467 } __packed; 468 469 /* 470 * SaltLength that the server send can be zero, so the only three required 471 * fields (all __le16) end up six bytes total, so the minimum context data len 472 * in the response is six bytes which accounts for 473 * 474 * HashAlgorithmCount, SaltLength, and 1 HashAlgorithm. 475 */ 476 #define MIN_PREAUTH_CTXT_DATA_LEN 6 477 478 struct smb2_preauth_neg_context { 479 __le16 ContextType; /* 1 */ 480 __le16 DataLength; 481 __le32 Reserved; 482 __le16 HashAlgorithmCount; /* 1 */ 483 __le16 SaltLength; 484 __le16 HashAlgorithms; /* HashAlgorithms[0] since only one defined */ 485 __u8 Salt[SMB311_SALT_SIZE]; 486 } __packed; 487 488 /* Encryption Algorithms Ciphers */ 489 #define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001) 490 #define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002) 491 #define SMB2_ENCRYPTION_AES256_CCM cpu_to_le16(0x0003) 492 #define SMB2_ENCRYPTION_AES256_GCM cpu_to_le16(0x0004) 493 494 /* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */ 495 #define MIN_ENCRYPT_CTXT_DATA_LEN 4 496 struct smb2_encryption_neg_context { 497 __le16 ContextType; /* 2 */ 498 __le16 DataLength; 499 __le32 Reserved; 500 /* CipherCount usually 2, but can be 3 when AES256-GCM enabled */ 501 __le16 CipherCount; /* AES128-GCM and AES128-CCM by default */ 502 __le16 Ciphers[]; 503 } __packed; 504 505 /* See MS-SMB2 2.2.3.1.3 */ 506 #define SMB3_COMPRESS_NONE cpu_to_le16(0x0000) 507 #define SMB3_COMPRESS_LZNT1 cpu_to_le16(0x0001) 508 #define SMB3_COMPRESS_LZ77 cpu_to_le16(0x0002) 509 #define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003) 510 /* Pattern scanning algorithm See MS-SMB2 3.1.4.4.1 */ 511 #define SMB3_COMPRESS_PATTERN cpu_to_le16(0x0004) /* Pattern_V1 */ 512 #define SMB3_COMPRESS_LZ4 cpu_to_le16(0x0005) 513 /* Account for NONE for easier array indexing */ 514 #define SMB3_COMPRESS_MAX_ALGS 6 515 516 /* Compression Flags */ 517 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_NONE cpu_to_le32(0x00000000) 518 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_CHAINED cpu_to_le32(0x00000001) 519 520 struct smb2_compression_capabilities_context { 521 __le16 ContextType; /* 3 */ 522 __le16 DataLength; 523 __le32 Reserved; 524 __le16 CompressionAlgorithmCount; 525 __le16 Padding; 526 __le32 Flags; 527 __le16 CompressionAlgorithms[3]; 528 __u16 Pad; /* Some servers require pad to DataLen multiple of 8 */ 529 /* Check if pad needed */ 530 } __packed; 531 532 /* 533 * For smb2_netname_negotiate_context_id See MS-SMB2 2.2.3.1.4. 534 * Its struct simply contains NetName, an array of Unicode characters 535 */ 536 struct smb2_netname_neg_context { 537 __le16 ContextType; /* 5 */ 538 __le16 DataLength; 539 __le32 Reserved; 540 __le16 NetName[]; /* hostname of target converted to UCS-2 */ 541 } __packed; 542 543 /* 544 * For smb2_transport_capabilities context see MS-SMB2 2.2.3.1.5 545 * and 2.2.4.1.5 546 */ 547 548 /* Flags */ 549 #define SMB2_ACCEPT_TRANSPORT_LEVEL_SECURITY 0x00000001 550 551 struct smb2_transport_capabilities_context { 552 __le16 ContextType; /* 6 */ 553 __le16 DataLength; 554 __u32 Reserved; 555 __le32 Flags; 556 __u32 Pad; 557 } __packed; 558 559 /* 560 * For rdma transform capabilities context see MS-SMB2 2.2.3.1.6 561 * and 2.2.4.1.6 562 */ 563 564 /* RDMA Transform IDs */ 565 #define SMB2_RDMA_TRANSFORM_NONE 0x0000 566 #define SMB2_RDMA_TRANSFORM_ENCRYPTION 0x0001 567 #define SMB2_RDMA_TRANSFORM_SIGNING 0x0002 568 569 struct smb2_rdma_transform_capabilities_context { 570 __le16 ContextType; /* 7 */ 571 __le16 DataLength; 572 __u32 Reserved; 573 __le16 TransformCount; 574 __u16 Reserved1; 575 __u32 Reserved2; 576 __le16 RDMATransformIds[]; 577 } __packed; 578 579 /* 580 * For signing capabilities context see MS-SMB2 2.2.3.1.7 581 * and 2.2.4.1.7 582 */ 583 584 /* Signing algorithms */ 585 #define SIGNING_ALG_HMAC_SHA256 0 586 #define SIGNING_ALG_HMAC_SHA256_LE cpu_to_le16(0) 587 #define SIGNING_ALG_AES_CMAC 1 588 #define SIGNING_ALG_AES_CMAC_LE cpu_to_le16(1) 589 #define SIGNING_ALG_AES_GMAC 2 590 #define SIGNING_ALG_AES_GMAC_LE cpu_to_le16(2) 591 592 struct smb2_signing_capabilities { 593 __le16 ContextType; /* 8 */ 594 __le16 DataLength; 595 __le32 Reserved; 596 __le16 SigningAlgorithmCount; 597 __le16 SigningAlgorithms[]; 598 /* Followed by padding to 8 byte boundary (required by some servers) */ 599 } __packed; 600 601 #define POSIX_CTXT_DATA_LEN 16 602 struct smb2_posix_neg_context { 603 __le16 ContextType; /* 0x100 */ 604 __le16 DataLength; 605 __le32 Reserved; 606 __u8 Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */ 607 } __packed; 608 609 struct smb2_negotiate_req { 610 struct smb2_hdr hdr; 611 __le16 StructureSize; /* Must be 36 */ 612 __le16 DialectCount; 613 __le16 SecurityMode; 614 __le16 Reserved; /* MBZ */ 615 __le32 Capabilities; 616 __u8 ClientGUID[SMB2_CLIENT_GUID_SIZE]; 617 /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */ 618 __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */ 619 __le16 NegotiateContextCount; /* SMB3.1.1 only. MBZ earlier */ 620 __le16 Reserved2; 621 __le16 Dialects[]; 622 } __packed; 623 624 struct smb2_negotiate_rsp { 625 struct smb2_hdr hdr; 626 __le16 StructureSize; /* Must be 65 */ 627 __le16 SecurityMode; 628 __le16 DialectRevision; 629 __le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */ 630 __u8 ServerGUID[16]; 631 __le32 Capabilities; 632 __le32 MaxTransactSize; 633 __le32 MaxReadSize; 634 __le32 MaxWriteSize; 635 __le64 SystemTime; /* MBZ */ 636 __le64 ServerStartTime; 637 __le16 SecurityBufferOffset; 638 __le16 SecurityBufferLength; 639 __le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */ 640 __u8 Buffer[]; /* variable length GSS security buffer */ 641 } __packed; 642 643 644 /* 645 * SMB2_SESSION_SETUP See MS-SMB2 section 2.2.5 646 */ 647 /* Flags */ 648 #define SMB2_SESSION_REQ_FLAG_BINDING 0x01 649 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04 650 651 struct smb2_sess_setup_req { 652 struct smb2_hdr hdr; 653 __le16 StructureSize; /* Must be 25 */ 654 __u8 Flags; 655 __u8 SecurityMode; 656 __le32 Capabilities; 657 __le32 Channel; 658 __le16 SecurityBufferOffset; 659 __le16 SecurityBufferLength; 660 __le64 PreviousSessionId; 661 __u8 Buffer[]; /* variable length GSS security buffer */ 662 } __packed; 663 664 /* Currently defined SessionFlags */ 665 #define SMB2_SESSION_FLAG_IS_GUEST 0x0001 666 #define SMB2_SESSION_FLAG_IS_GUEST_LE cpu_to_le16(0x0001) 667 #define SMB2_SESSION_FLAG_IS_NULL 0x0002 668 #define SMB2_SESSION_FLAG_IS_NULL_LE cpu_to_le16(0x0002) 669 #define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004 670 #define SMB2_SESSION_FLAG_ENCRYPT_DATA_LE cpu_to_le16(0x0004) 671 672 struct smb2_sess_setup_rsp { 673 struct smb2_hdr hdr; 674 __le16 StructureSize; /* Must be 9 */ 675 __le16 SessionFlags; 676 __le16 SecurityBufferOffset; 677 __le16 SecurityBufferLength; 678 __u8 Buffer[]; /* variable length GSS security buffer */ 679 } __packed; 680 681 682 /* 683 * SMB2_LOGOFF See MS-SMB2 section 2.2.7 684 */ 685 struct smb2_logoff_req { 686 struct smb2_hdr hdr; 687 __le16 StructureSize; /* Must be 4 */ 688 __le16 Reserved; 689 } __packed; 690 691 struct smb2_logoff_rsp { 692 struct smb2_hdr hdr; 693 __le16 StructureSize; /* Must be 4 */ 694 __le16 Reserved; 695 } __packed; 696 697 698 /* 699 * SMB2_CLOSE See MS-SMB2 section 2.2.15 700 */ 701 /* Currently defined values for close flags */ 702 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001) 703 struct smb2_close_req { 704 struct smb2_hdr hdr; 705 __le16 StructureSize; /* Must be 24 */ 706 __le16 Flags; 707 __le32 Reserved; 708 __u64 PersistentFileId; /* opaque endianness */ 709 __u64 VolatileFileId; /* opaque endianness */ 710 } __packed; 711 712 /* 713 * Maximum size of a SMB2_CLOSE response is 64 (smb2 header) + 60 (data) 714 */ 715 #define MAX_SMB2_CLOSE_RESPONSE_SIZE 124 716 717 struct smb2_close_rsp { 718 struct smb2_hdr hdr; 719 __le16 StructureSize; /* 60 */ 720 __le16 Flags; 721 __le32 Reserved; 722 struct_group_attr(network_open_info, __packed, 723 __le64 CreationTime; 724 __le64 LastAccessTime; 725 __le64 LastWriteTime; 726 __le64 ChangeTime; 727 /* Beginning of FILE_STANDARD_INFO equivalent */ 728 __le64 AllocationSize; 729 __le64 EndOfFile; 730 __le32 Attributes; 731 ); 732 } __packed; 733 734 735 /* 736 * SMB2_READ See MS-SMB2 section 2.2.19 737 */ 738 /* For read request Flags field below, following flag is defined for SMB3.02 */ 739 #define SMB2_READFLAG_READ_UNBUFFERED 0x01 740 #define SMB2_READFLAG_REQUEST_COMPRESSED 0x02 /* See MS-SMB2 2.2.19 */ 741 742 /* Channel field for read and write: exactly one of following flags can be set*/ 743 #define SMB2_CHANNEL_NONE cpu_to_le32(0x00000000) 744 #define SMB2_CHANNEL_RDMA_V1 cpu_to_le32(0x00000001) 745 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) 746 #define SMB2_CHANNEL_RDMA_TRANSFORM cpu_to_le32(0x00000003) 747 748 /* SMB2 read request without RFC1001 length at the beginning */ 749 struct smb2_read_req { 750 struct smb2_hdr hdr; 751 __le16 StructureSize; /* Must be 49 */ 752 __u8 Padding; /* offset from start of SMB2 header to place read */ 753 __u8 Flags; /* MBZ unless SMB3.02 or later */ 754 __le32 Length; 755 __le64 Offset; 756 __u64 PersistentFileId; 757 __u64 VolatileFileId; 758 __le32 MinimumCount; 759 __le32 Channel; /* MBZ except for SMB3 or later */ 760 __le32 RemainingBytes; 761 __le16 ReadChannelInfoOffset; 762 __le16 ReadChannelInfoLength; 763 __u8 Buffer[]; 764 } __packed; 765 766 /* Read flags */ 767 #define SMB2_READFLAG_RESPONSE_NONE cpu_to_le32(0x00000000) 768 #define SMB2_READFLAG_RESPONSE_RDMA_TRANSFORM cpu_to_le32(0x00000001) 769 770 struct smb2_read_rsp { 771 struct smb2_hdr hdr; 772 __le16 StructureSize; /* Must be 17 */ 773 __u8 DataOffset; 774 __u8 Reserved; 775 __le32 DataLength; 776 __le32 DataRemaining; 777 __le32 Flags; 778 __u8 Buffer[]; 779 } __packed; 780 781 782 /* 783 * SMB2_WRITE See MS-SMB2 section 2.2.21 784 */ 785 /* For write request Flags field below the following flags are defined: */ 786 #define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 /* SMB2.1 or later */ 787 #define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002 /* SMB3.02 or later */ 788 789 struct smb2_write_req { 790 struct smb2_hdr hdr; 791 __le16 StructureSize; /* Must be 49 */ 792 __le16 DataOffset; /* offset from start of SMB2 header to write data */ 793 __le32 Length; 794 __le64 Offset; 795 __u64 PersistentFileId; /* opaque endianness */ 796 __u64 VolatileFileId; /* opaque endianness */ 797 __le32 Channel; /* MBZ unless SMB3.02 or later */ 798 __le32 RemainingBytes; 799 __le16 WriteChannelInfoOffset; 800 __le16 WriteChannelInfoLength; 801 __le32 Flags; 802 __u8 Buffer[]; 803 } __packed; 804 805 struct smb2_write_rsp { 806 struct smb2_hdr hdr; 807 __le16 StructureSize; /* Must be 17 */ 808 __u8 DataOffset; 809 __u8 Reserved; 810 __le32 DataLength; 811 __le32 DataRemaining; 812 __u32 Reserved2; 813 __u8 Buffer[]; 814 } __packed; 815 816 817 /* 818 * SMB2_FLUSH See MS-SMB2 section 2.2.17 819 */ 820 struct smb2_flush_req { 821 struct smb2_hdr hdr; 822 __le16 StructureSize; /* Must be 24 */ 823 __le16 Reserved1; 824 __le32 Reserved2; 825 __u64 PersistentFileId; 826 __u64 VolatileFileId; 827 } __packed; 828 829 struct smb2_flush_rsp { 830 struct smb2_hdr hdr; 831 __le16 StructureSize; 832 __le16 Reserved; 833 } __packed; 834 835 #define SMB2_LOCKFLAG_SHARED 0x0001 836 #define SMB2_LOCKFLAG_EXCLUSIVE 0x0002 837 #define SMB2_LOCKFLAG_UNLOCK 0x0004 838 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY 0x0010 839 #define SMB2_LOCKFLAG_MASK 0x0007 840 841 struct smb2_lock_element { 842 __le64 Offset; 843 __le64 Length; 844 __le32 Flags; 845 __le32 Reserved; 846 } __packed; 847 848 struct smb2_lock_req { 849 struct smb2_hdr hdr; 850 __le16 StructureSize; /* Must be 48 */ 851 __le16 LockCount; 852 /* 853 * The least significant four bits are the index, the other 28 bits are 854 * the lock sequence number (0 to 64). See MS-SMB2 2.2.26 855 */ 856 __le32 LockSequenceNumber; 857 __u64 PersistentFileId; 858 __u64 VolatileFileId; 859 /* Followed by at least one */ 860 union { 861 struct smb2_lock_element lock; 862 DECLARE_FLEX_ARRAY(struct smb2_lock_element, locks); 863 }; 864 } __packed; 865 866 struct smb2_lock_rsp { 867 struct smb2_hdr hdr; 868 __le16 StructureSize; /* Must be 4 */ 869 __le16 Reserved; 870 } __packed; 871 872 struct smb2_echo_req { 873 struct smb2_hdr hdr; 874 __le16 StructureSize; /* Must be 4 */ 875 __u16 Reserved; 876 } __packed; 877 878 struct smb2_echo_rsp { 879 struct smb2_hdr hdr; 880 __le16 StructureSize; /* Must be 4 */ 881 __u16 Reserved; 882 } __packed; 883 884 /* 885 * Valid FileInformation classes for query directory 886 * 887 * Note that these are a subset of the (file) QUERY_INFO levels defined 888 * later in this file (but since QUERY_DIRECTORY uses equivalent numbers 889 * we do not redefine them here) 890 * 891 * FileDirectoryInfomation 0x01 892 * FileFullDirectoryInformation 0x02 893 * FileIdFullDirectoryInformation 0x26 894 * FileBothDirectoryInformation 0x03 895 * FileIdBothDirectoryInformation 0x25 896 * FileNamesInformation 0x0C 897 * FileIdExtdDirectoryInformation 0x3C 898 */ 899 900 /* search (query_directory) Flags field */ 901 #define SMB2_RESTART_SCANS 0x01 902 #define SMB2_RETURN_SINGLE_ENTRY 0x02 903 #define SMB2_INDEX_SPECIFIED 0x04 904 #define SMB2_REOPEN 0x10 905 906 struct smb2_query_directory_req { 907 struct smb2_hdr hdr; 908 __le16 StructureSize; /* Must be 33 */ 909 __u8 FileInformationClass; 910 __u8 Flags; 911 __le32 FileIndex; 912 __u64 PersistentFileId; 913 __u64 VolatileFileId; 914 __le16 FileNameOffset; 915 __le16 FileNameLength; 916 __le32 OutputBufferLength; 917 __u8 Buffer[]; 918 } __packed; 919 920 struct smb2_query_directory_rsp { 921 struct smb2_hdr hdr; 922 __le16 StructureSize; /* Must be 9 */ 923 __le16 OutputBufferOffset; 924 __le32 OutputBufferLength; 925 __u8 Buffer[]; 926 } __packed; 927 928 /* DeviceType Flags */ 929 #define FILE_DEVICE_CD_ROM 0x00000002 930 #define FILE_DEVICE_CD_ROM_FILE_SYSTEM 0x00000003 931 #define FILE_DEVICE_DFS 0x00000006 932 #define FILE_DEVICE_DISK 0x00000007 933 #define FILE_DEVICE_DISK_FILE_SYSTEM 0x00000008 934 #define FILE_DEVICE_FILE_SYSTEM 0x00000009 935 #define FILE_DEVICE_NAMED_PIPE 0x00000011 936 #define FILE_DEVICE_NETWORK 0x00000012 937 #define FILE_DEVICE_NETWORK_FILE_SYSTEM 0x00000014 938 #define FILE_DEVICE_NULL 0x00000015 939 #define FILE_DEVICE_PARALLEL_PORT 0x00000016 940 #define FILE_DEVICE_PRINTER 0x00000018 941 #define FILE_DEVICE_SERIAL_PORT 0x0000001b 942 #define FILE_DEVICE_STREAMS 0x0000001e 943 #define FILE_DEVICE_TAPE 0x0000001f 944 #define FILE_DEVICE_TAPE_FILE_SYSTEM 0x00000020 945 #define FILE_DEVICE_VIRTUAL_DISK 0x00000024 946 #define FILE_DEVICE_NETWORK_REDIRECTOR 0x00000028 947 948 /* Device Characteristics */ 949 #define FILE_REMOVABLE_MEDIA 0x00000001 950 #define FILE_READ_ONLY_DEVICE 0x00000002 951 #define FILE_FLOPPY_DISKETTE 0x00000004 952 #define FILE_WRITE_ONCE_MEDIA 0x00000008 953 #define FILE_REMOTE_DEVICE 0x00000010 954 #define FILE_DEVICE_IS_MOUNTED 0x00000020 955 #define FILE_VIRTUAL_VOLUME 0x00000040 956 #define FILE_DEVICE_SECURE_OPEN 0x00000100 957 #define FILE_CHARACTERISTIC_TS_DEVICE 0x00001000 958 #define FILE_CHARACTERISTIC_WEBDAV_DEVICE 0x00002000 959 #define FILE_PORTABLE_DEVICE 0x00004000 960 #define FILE_DEVICE_ALLOW_APPCONTAINER_TRAVERSAL 0x00020000 961 962 /* 963 * Maximum number of iovs we need for a set-info request. 964 * The largest one is rename/hardlink 965 * [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info 966 * [1] : path 967 * [2] : compound padding 968 */ 969 #define SMB2_SET_INFO_IOV_SIZE 3 970 971 struct smb2_set_info_req { 972 struct smb2_hdr hdr; 973 __le16 StructureSize; /* Must be 33 */ 974 __u8 InfoType; 975 __u8 FileInfoClass; 976 __le32 BufferLength; 977 __le16 BufferOffset; 978 __u16 Reserved; 979 __le32 AdditionalInformation; 980 __u64 PersistentFileId; 981 __u64 VolatileFileId; 982 __u8 Buffer[]; 983 } __packed; 984 985 struct smb2_set_info_rsp { 986 struct smb2_hdr hdr; 987 __le16 StructureSize; /* Must be 2 */ 988 } __packed; 989 990 /* 991 * SMB2_NOTIFY See MS-SMB2 section 2.2.35 992 */ 993 /* notify flags */ 994 #define SMB2_WATCH_TREE 0x0001 995 996 /* notify completion filter flags. See MS-FSCC 2.6 and MS-SMB2 2.2.35 */ 997 #define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001 998 #define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002 999 #define FILE_NOTIFY_CHANGE_NAME 0x00000003 1000 #define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004 1001 #define FILE_NOTIFY_CHANGE_SIZE 0x00000008 1002 #define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010 1003 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020 1004 #define FILE_NOTIFY_CHANGE_CREATION 0x00000040 1005 #define FILE_NOTIFY_CHANGE_EA 0x00000080 1006 #define FILE_NOTIFY_CHANGE_SECURITY 0x00000100 1007 #define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200 1008 #define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400 1009 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800 1010 1011 /* See MS-SMB2 2.2.35 */ 1012 struct smb2_change_notify_req { 1013 struct smb2_hdr hdr; 1014 __le16 StructureSize; 1015 __le16 Flags; 1016 __le32 OutputBufferLength; 1017 __u64 PersistentFileId; /* opaque endianness */ 1018 __u64 VolatileFileId; /* opaque endianness */ 1019 __le32 CompletionFilter; 1020 __u32 Reserved; 1021 } __packed; 1022 1023 /* See MS-SMB2 2.2.36 */ 1024 struct smb2_change_notify_rsp { 1025 struct smb2_hdr hdr; 1026 __le16 StructureSize; /* Must be 9 */ 1027 __le16 OutputBufferOffset; 1028 __le32 OutputBufferLength; 1029 __u8 Buffer[]; /* array of file notify structs */ 1030 } __packed; 1031 1032 /* 1033 * SMB2_SERVER_TO_CLIENT_NOTIFICATION: See MS-SMB2 section 2.2.44 1034 */ 1035 1036 #define SMB2_NOTIFY_SESSION_CLOSED 0x0000 1037 1038 struct smb2_server_client_notification { 1039 struct smb2_hdr hdr; 1040 __le16 StructureSize; 1041 __u16 Reserved; /* MBZ */ 1042 __le32 NotificationType; 1043 __u8 NotificationBuffer[4]; /* MBZ */ 1044 } __packed; 1045 1046 /* 1047 * SMB2_CREATE See MS-SMB2 section 2.2.13 1048 */ 1049 /* Oplock levels */ 1050 #define SMB2_OPLOCK_LEVEL_NONE 0x00 1051 #define SMB2_OPLOCK_LEVEL_II 0x01 1052 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08 1053 #define SMB2_OPLOCK_LEVEL_BATCH 0x09 1054 #define SMB2_OPLOCK_LEVEL_LEASE 0xFF 1055 /* Non-spec internal type */ 1056 #define SMB2_OPLOCK_LEVEL_NOCHANGE 0x99 1057 1058 /* Impersonation Levels. See MS-WPO section 9.7 and MSDN-IMPERS */ 1059 #define IL_ANONYMOUS cpu_to_le32(0x00000000) 1060 #define IL_IDENTIFICATION cpu_to_le32(0x00000001) 1061 #define IL_IMPERSONATION cpu_to_le32(0x00000002) 1062 #define IL_DELEGATE cpu_to_le32(0x00000003) 1063 1064 /* Desired Access Flags */ 1065 #define FILE_READ_DATA_LE cpu_to_le32(0x00000001) 1066 #define FILE_LIST_DIRECTORY_LE cpu_to_le32(0x00000001) 1067 #define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002) 1068 #define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004) 1069 #define FILE_ADD_SUBDIRECTORY_LE cpu_to_le32(0x00000004) 1070 #define FILE_READ_EA_LE cpu_to_le32(0x00000008) 1071 #define FILE_WRITE_EA_LE cpu_to_le32(0x00000010) 1072 #define FILE_EXECUTE_LE cpu_to_le32(0x00000020) 1073 #define FILE_DELETE_CHILD_LE cpu_to_le32(0x00000040) 1074 #define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080) 1075 #define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100) 1076 #define FILE_DELETE_LE cpu_to_le32(0x00010000) 1077 #define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000) 1078 #define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000) 1079 #define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000) 1080 #define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000) 1081 #define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000) 1082 #define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000) 1083 #define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000) 1084 #define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000) 1085 #define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000) 1086 #define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000) 1087 #define DESIRED_ACCESS_MASK cpu_to_le32(0xF21F01FF) 1088 1089 1090 #define FILE_READ_DESIRED_ACCESS_LE (FILE_READ_DATA_LE | \ 1091 FILE_READ_EA_LE | \ 1092 FILE_GENERIC_READ_LE) 1093 #define FILE_WRITE_DESIRE_ACCESS_LE (FILE_WRITE_DATA_LE | \ 1094 FILE_APPEND_DATA_LE | \ 1095 FILE_WRITE_EA_LE | \ 1096 FILE_WRITE_ATTRIBUTES_LE | \ 1097 FILE_GENERIC_WRITE_LE) 1098 1099 /* ShareAccess Flags */ 1100 #define FILE_SHARE_READ_LE cpu_to_le32(0x00000001) 1101 #define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002) 1102 #define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004) 1103 #define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007) 1104 1105 /* CreateDisposition Flags */ 1106 #define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000) 1107 #define FILE_OPEN_LE cpu_to_le32(0x00000001) 1108 #define FILE_CREATE_LE cpu_to_le32(0x00000002) 1109 #define FILE_OPEN_IF_LE cpu_to_le32(0x00000003) 1110 #define FILE_OVERWRITE_LE cpu_to_le32(0x00000004) 1111 #define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005) 1112 #define FILE_CREATE_MASK_LE cpu_to_le32(0x00000007) 1113 1114 /* CreateOptions Flags */ 1115 #define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001) 1116 /* same as #define CREATE_NOT_FILE_LE cpu_to_le32(0x00000001) */ 1117 #define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002) 1118 #define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004) 1119 #define FILE_NO_INTERMEDIATE_BUFFERING_LE cpu_to_le32(0x00000008) 1120 /* FILE_SYNCHRONOUS_IO_ALERT_LE cpu_to_le32(0x00000010) should be zero, ignored */ 1121 /* FILE_SYNCHRONOUS_IO_NONALERT cpu_to_le32(0x00000020) should be zero, ignored */ 1122 #define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040) 1123 #define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100) 1124 #define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200) 1125 /* FILE_OPEN_REMOTE_INSTANCE cpu_to_le32(0x00000400) should be zero, ignored */ 1126 #define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800) 1127 #define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000) /* MBZ */ 1128 #define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000) 1129 #define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000) 1130 #define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000) 1131 /* FILE_OPEN_REQUIRING_OPLOCK cpu_to_le32(0x00010000) should be zero, ignored */ 1132 /* FILE_DISALLOW_EXCLUSIVE cpu_to_le32(0x00020000) should be zero, ignored */ 1133 /* FILE_RESERVE_OPFILTER cpu_to_le32(0x00100000) MBZ */ 1134 #define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000) 1135 #define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000) 1136 /* #define FILE_OPEN_FOR_FREE_SPACE_QUERY cpu_to_le32(0x00800000) should be zero, ignored */ 1137 #define CREATE_OPTIONS_MASK_LE cpu_to_le32(0x00FFFFFF) 1138 1139 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \ 1140 | FILE_READ_ATTRIBUTES_LE) 1141 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \ 1142 | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE) 1143 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE) 1144 1145 /* Create Context Values */ 1146 #define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */ 1147 #define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */ 1148 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ" 1149 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC" 1150 #define SMB2_CREATE_ALLOCATION_SIZE "AlSi" 1151 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc" 1152 #define SMB2_CREATE_TIMEWARP_REQUEST "TWrp" 1153 #define SMB2_CREATE_QUERY_ON_DISK_ID "QFid" 1154 #define SMB2_CREATE_REQUEST_LEASE "RqLs" 1155 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q" 1156 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C" 1157 #define SMB2_CREATE_TAG_POSIX "\x93\xAD\x25\x50\x9C\xB4\x11\xE7\xB4\x23\x83\xDE\x96\x8B\xCD\x7C" 1158 #define SMB2_CREATE_APP_INSTANCE_ID "\x45\xBC\xA6\x6A\xEF\xA7\xF7\x4A\x90\x08\xFA\x46\x2E\x14\x4D\x74" 1159 #define SMB2_CREATE_APP_INSTANCE_VERSION "\xB9\x82\xD0\xB7\x3B\x56\x07\x4F\xA0\x7B\x52\x4A\x81\x16\xA0\x10" 1160 #define SVHDX_OPEN_DEVICE_CONTEXT "\x9C\xCB\xCF\x9E\x04\xC1\xE6\x43\x98\x0E\x15\x8D\xA1\xF6\xEC\x83" 1161 #define SMB2_CREATE_TAG_AAPL "AAPL" 1162 1163 /* Flag (SMB3 open response) values */ 1164 #define SMB2_CREATE_FLAG_REPARSEPOINT 0x01 1165 1166 struct create_context { 1167 /* New members must be added within the struct_group() macro below. */ 1168 __struct_group(create_context_hdr, hdr, __packed, 1169 __le32 Next; 1170 __le16 NameOffset; 1171 __le16 NameLength; 1172 __le16 Reserved; 1173 __le16 DataOffset; 1174 __le32 DataLength; 1175 ); 1176 __u8 Buffer[]; 1177 } __packed; 1178 static_assert(offsetof(struct create_context, Buffer) == sizeof(struct create_context_hdr), 1179 "struct member likely outside of __struct_group()"); 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_hdr 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 typedef struct { 1231 struct create_context_hdr 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 create_durable_req_t, create_durable_reconn_t; 1241 1242 /* See MS-SMB2 2.2.13.2.5 */ 1243 struct create_mxac_req { 1244 struct create_context_hdr ccontext; 1245 __u8 Name[8]; 1246 __le64 Timestamp; 1247 } __packed; 1248 1249 /* 1250 * Flags 1251 * See MS-SMB2 2.2.13.2.11 1252 * MS-SMB2 2.2.13.2.12 1253 * MS-SMB2 2.2.14.2.12 1254 */ 1255 #define SMB2_DHANDLE_FLAG_PERSISTENT 0x00000002 1256 1257 /* See MS-SMB2 2.2.13.2.11 */ 1258 struct durable_context_v2_req { 1259 __le32 Timeout; 1260 __le32 Flags; /* see SMB2_DHANDLE_FLAG_PERSISTENT */ 1261 __u64 Reserved; 1262 __u8 CreateGuid[16]; 1263 } __packed; 1264 1265 struct create_durable_req_v2 { 1266 struct create_context_hdr ccontext; 1267 __u8 Name[8]; 1268 struct durable_context_v2_req dcontext; 1269 } __packed; 1270 1271 /* See MS-SMB2 2.2.13.2.12 */ 1272 struct durable_reconnect_context_v2 { 1273 struct { 1274 __u64 PersistentFileId; 1275 __u64 VolatileFileId; 1276 } Fid; 1277 __u8 CreateGuid[16]; 1278 __le32 Flags; /* see SMB2_DHANDLE_FLAG_PERSISTENT */ 1279 } __packed; 1280 1281 struct create_durable_handle_reconnect_v2 { 1282 struct create_context_hdr ccontext; 1283 __u8 Name[8]; 1284 struct durable_reconnect_context_v2 dcontext; 1285 __u8 Pad[4]; 1286 } __packed; 1287 1288 /* See MS-SMB2 2.2.14.2.12 */ 1289 struct durable_context_v2_rsp { 1290 __le32 Timeout; 1291 __le32 Flags; /* see SMB2_DHANDLE_FLAG_PERSISTENT */ 1292 } __packed; 1293 1294 struct create_durable_rsp_v2 { 1295 struct create_context_hdr ccontext; 1296 __u8 Name[8]; 1297 struct durable_context_v2_rsp dcontext; 1298 } __packed; 1299 1300 /* See MS-SMB2 2.2.14.2.5 */ 1301 struct create_mxac_rsp { 1302 struct create_context_hdr ccontext; 1303 __u8 Name[8]; 1304 __le32 QueryStatus; 1305 __le32 MaximalAccess; 1306 } __packed; 1307 1308 #define SMB2_LEASE_NONE_LE cpu_to_le32(0x00) 1309 #define SMB2_LEASE_READ_CACHING_LE cpu_to_le32(0x01) 1310 #define SMB2_LEASE_HANDLE_CACHING_LE cpu_to_le32(0x02) 1311 #define SMB2_LEASE_WRITE_CACHING_LE cpu_to_le32(0x04) 1312 1313 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS_LE cpu_to_le32(0x02) 1314 #define SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET_LE cpu_to_le32(0x04) 1315 1316 #define SMB2_LEASE_KEY_SIZE 16 1317 1318 /* See MS-SMB2 2.2.13.2.8 */ 1319 struct lease_context { 1320 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 1321 __le32 LeaseState; 1322 __le32 LeaseFlags; 1323 __le64 LeaseDuration; 1324 } __packed; 1325 1326 /* See MS-SMB2 2.2.13.2.10 */ 1327 struct lease_context_v2 { 1328 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 1329 __le32 LeaseState; 1330 __le32 LeaseFlags; 1331 __le64 LeaseDuration; 1332 __u8 ParentLeaseKey[SMB2_LEASE_KEY_SIZE]; 1333 __le16 Epoch; 1334 __le16 Reserved; 1335 } __packed; 1336 1337 struct create_lease { 1338 struct create_context_hdr ccontext; 1339 __u8 Name[8]; 1340 struct lease_context lcontext; 1341 } __packed; 1342 1343 struct create_lease_v2 { 1344 struct create_context_hdr ccontext; 1345 __u8 Name[8]; 1346 struct lease_context_v2 lcontext; 1347 __u8 Pad[4]; 1348 } __packed; 1349 1350 /* See MS-SMB2 2.2.14.2.9 */ 1351 struct create_disk_id_rsp { 1352 struct create_context_hdr ccontext; 1353 __u8 Name[8]; 1354 __le64 DiskFileId; 1355 __le64 VolumeId; 1356 __u8 Reserved[16]; 1357 } __packed; 1358 1359 /* See MS-SMB2 2.2.13.2.13 */ 1360 struct create_app_inst_id { 1361 struct create_context_hdr ccontext; 1362 __u8 Name[16]; 1363 __le32 StructureSize; /* Must be 20 */ 1364 __u16 Reserved; 1365 __u8 AppInstanceId[16]; 1366 } __packed; 1367 1368 /* See MS-SMB2 2.2.13.2.15 */ 1369 struct create_app_inst_id_vers { 1370 struct create_context_hdr ccontext; 1371 __u8 Name[16]; 1372 __le32 StructureSize; /* Must be 24 */ 1373 __u16 Reserved; 1374 __u32 Padding; 1375 __le64 AppInstanceVersionHigh; 1376 __le64 AppInstanceVersionLow; 1377 } __packed; 1378 1379 /* See MS-SMB2 2.2.31 and 2.2.32 */ 1380 struct smb2_ioctl_req { 1381 struct smb2_hdr hdr; 1382 __le16 StructureSize; /* Must be 57 */ 1383 __le16 Reserved; /* offset from start of SMB2 header to write data */ 1384 __le32 CtlCode; 1385 __u64 PersistentFileId; 1386 __u64 VolatileFileId; 1387 __le32 InputOffset; /* Reserved MBZ */ 1388 __le32 InputCount; 1389 __le32 MaxInputResponse; 1390 __le32 OutputOffset; 1391 __le32 OutputCount; 1392 __le32 MaxOutputResponse; 1393 __le32 Flags; 1394 __le32 Reserved2; 1395 __u8 Buffer[]; 1396 } __packed; 1397 1398 /* See MS-SMB2 2.2.31.1.1 */ 1399 struct srv_copychunk { 1400 __le64 SourceOffset; 1401 __le64 TargetOffset; 1402 __le32 Length; 1403 __le32 Reserved; 1404 } __packed; 1405 1406 #define COPY_CHUNK_RES_KEY_SIZE 24 1407 1408 /* See MS-SMB2 2.2.31.1 */ 1409 /* this goes in the ioctl buffer when doing a copychunk request */ 1410 struct copychunk_ioctl_req { 1411 union { 1412 char SourceKey[COPY_CHUNK_RES_KEY_SIZE]; 1413 __le64 SourceKeyU64[3]; 1414 }; 1415 __le32 ChunkCount; 1416 __le32 Reserved; 1417 struct srv_copychunk Chunks[] __counted_by_le(ChunkCount); 1418 } __packed; 1419 1420 /* See MS-SMB2 2.2.32.1 */ 1421 struct copychunk_ioctl_rsp { 1422 __le32 ChunksWritten; 1423 __le32 ChunkBytesWritten; 1424 __le32 TotalBytesWritten; 1425 } __packed; 1426 1427 /* See MS-SMB2 2.2.32.3 */ 1428 struct resume_key_ioctl_rsp { 1429 union { 1430 char ResumeKey[COPY_CHUNK_RES_KEY_SIZE]; 1431 __u64 ResumeKeyU64[3]; 1432 }; 1433 __le32 ContextLength; /* MBZ */ 1434 char Context[]; /* ignored, Windows sets to 4 bytes of zero */ 1435 } __packed; 1436 1437 struct smb2_ioctl_rsp { 1438 struct smb2_hdr hdr; 1439 __le16 StructureSize; /* Must be 49 */ 1440 __le16 Reserved; 1441 __le32 CtlCode; 1442 __u64 PersistentFileId; 1443 __u64 VolatileFileId; 1444 __le32 InputOffset; /* Reserved MBZ */ 1445 __le32 InputCount; 1446 __le32 OutputOffset; 1447 __le32 OutputCount; 1448 __le32 Flags; 1449 __le32 Reserved2; 1450 __u8 Buffer[]; 1451 } __packed; 1452 1453 /* See MS-SMB2 2.2.32.5.1.1 */ 1454 struct smb_sockaddr_in { 1455 __be16 Port; 1456 __be32 IPv4Address; 1457 __u8 Reserved[8]; 1458 } __packed; 1459 1460 /* See MS-SMB2 2.2.32.5.1.2 */ 1461 struct smb_sockaddr_in6 { 1462 __be16 Port; 1463 __be32 FlowInfo; 1464 __u8 IPv6Address[16]; 1465 __be32 ScopeId; 1466 } __packed; 1467 1468 /* See MS-SMB2 2.2.32.5 and MS-SMB2 2.2.32.5.1 */ 1469 #define RSS_CAPABLE cpu_to_le32(0x00000001) 1470 #define RDMA_CAPABLE cpu_to_le32(0x00000002) 1471 #define INTERNETWORK cpu_to_le16(0x0002) 1472 #define INTERNETWORKV6 cpu_to_le16(0x0017) 1473 struct network_interface_info_ioctl_rsp { 1474 __le32 Next; /* next interface. zero if this is last one */ 1475 __le32 IfIndex; 1476 __le32 Capability; /* RSS or RDMA Capable */ 1477 __le32 Reserved; 1478 __le64 LinkSpeed; 1479 union { 1480 char SockAddr_Storage[128]; 1481 struct { 1482 __le16 Family; 1483 __u8 Buffer[126]; 1484 }; 1485 }; 1486 } __packed; 1487 1488 /* Integrity ChecksumAlgorithm choices for above */ 1489 #define CHECKSUM_TYPE_NONE 0x0000 1490 #define CHECKSUM_TYPE_CRC64 0x0002 1491 #define CHECKSUM_TYPE_UNCHANGED 0xFFFF /* set only */ 1492 1493 /* Integrity flags for above */ 1494 #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x00000001 1495 1496 struct validate_negotiate_info_req { 1497 __le32 Capabilities; 1498 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1499 __le16 SecurityMode; 1500 __le16 DialectCount; 1501 __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */ 1502 } __packed; 1503 1504 struct validate_negotiate_info_rsp { 1505 __le32 Capabilities; 1506 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1507 __le16 SecurityMode; 1508 __le16 Dialect; /* Dialect in use for the connection */ 1509 } __packed; 1510 1511 1512 /* Possible InfoType values */ 1513 #define SMB2_O_INFO_FILE 0x01 1514 #define SMB2_O_INFO_FILESYSTEM 0x02 1515 #define SMB2_O_INFO_SECURITY 0x03 1516 #define SMB2_O_INFO_QUOTA 0x04 1517 1518 /* SMB2 Query Info see MS-SMB2 (2.2.37) or MS-DTYP */ 1519 1520 /* List of QUERY INFO levels (those also valid for QUERY_DIR are noted below */ 1521 #define FILE_DIRECTORY_INFORMATION 1 /* also for QUERY_DIR */ 1522 #define FILE_FULL_DIRECTORY_INFORMATION 2 /* also for QUERY_DIR */ 1523 #define FILE_BOTH_DIRECTORY_INFORMATION 3 /* also for QUERY_DIR */ 1524 #define FILE_BASIC_INFORMATION 4 1525 #define FILE_STANDARD_INFORMATION 5 1526 #define FILE_INTERNAL_INFORMATION 6 1527 #define FILE_EA_INFORMATION 7 1528 #define FILE_ACCESS_INFORMATION 8 1529 #define FILE_NAME_INFORMATION 9 1530 #define FILE_RENAME_INFORMATION 10 1531 #define FILE_LINK_INFORMATION 11 1532 #define FILE_NAMES_INFORMATION 12 /* also for QUERY_DIR */ 1533 #define FILE_DISPOSITION_INFORMATION 13 1534 #define FILE_POSITION_INFORMATION 14 1535 #define FILE_FULL_EA_INFORMATION 15 1536 #define FILE_MODE_INFORMATION 16 1537 #define FILE_ALIGNMENT_INFORMATION 17 1538 #define FILE_ALL_INFORMATION 18 1539 #define FILE_ALLOCATION_INFORMATION 19 1540 #define FILE_END_OF_FILE_INFORMATION 20 1541 #define FILE_ALTERNATE_NAME_INFORMATION 21 1542 #define FILE_STREAM_INFORMATION 22 1543 #define FILE_PIPE_INFORMATION 23 1544 #define FILE_PIPE_LOCAL_INFORMATION 24 1545 #define FILE_PIPE_REMOTE_INFORMATION 25 1546 #define FILE_MAILSLOT_QUERY_INFORMATION 26 1547 #define FILE_MAILSLOT_SET_INFORMATION 27 1548 #define FILE_COMPRESSION_INFORMATION 28 1549 #define FILE_OBJECT_ID_INFORMATION 29 1550 /* Number 30 not defined in documents */ 1551 #define FILE_MOVE_CLUSTER_INFORMATION 31 1552 #define FILE_QUOTA_INFORMATION 32 1553 #define FILE_REPARSE_POINT_INFORMATION 33 1554 #define FILE_NETWORK_OPEN_INFORMATION 34 1555 #define FILE_ATTRIBUTE_TAG_INFORMATION 35 1556 #define FILE_TRACKING_INFORMATION 36 1557 #define FILEID_BOTH_DIRECTORY_INFORMATION 37 /* also for QUERY_DIR */ 1558 #define FILEID_FULL_DIRECTORY_INFORMATION 38 /* also for QUERY_DIR */ 1559 #define FILE_VALID_DATA_LENGTH_INFORMATION 39 1560 #define FILE_SHORT_NAME_INFORMATION 40 1561 #define FILE_SFIO_RESERVE_INFORMATION 44 1562 #define FILE_SFIO_VOLUME_INFORMATION 45 1563 #define FILE_HARD_LINK_INFORMATION 46 1564 #define FILE_NORMALIZED_NAME_INFORMATION 48 1565 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50 1566 #define FILE_STANDARD_LINK_INFORMATION 54 1567 #define FILE_ID_INFORMATION 59 1568 #define FILE_ID_EXTD_DIRECTORY_INFORMATION 60 /* also for QUERY_DIR */ 1569 #define FileId64ExtdDirectoryInformation 78 /* also for QUERY_DIR */ 1570 #define FileId64ExtdBothDirectoryInformation 79 /* also for QUERY_DIR */ 1571 #define FileIdAllExtdDirectoryInformation 80 /* also for QUERY_DIR */ 1572 #define FileIdAllExtdBothDirectoryInformation 81 /* also for QUERY_DIR */ 1573 /* Used for Query Info and Find File POSIX Info for SMB3.1.1 and SMB1 */ 1574 #define SMB_FIND_FILE_POSIX_INFO 0x064 1575 1576 /* Security info type additionalinfo flags. */ 1577 #define OWNER_SECINFO 0x00000001 1578 #define GROUP_SECINFO 0x00000002 1579 #define DACL_SECINFO 0x00000004 1580 #define SACL_SECINFO 0x00000008 1581 #define LABEL_SECINFO 0x00000010 1582 #define ATTRIBUTE_SECINFO 0x00000020 1583 #define SCOPE_SECINFO 0x00000040 1584 #define BACKUP_SECINFO 0x00010000 1585 #define UNPROTECTED_SACL_SECINFO 0x10000000 1586 #define UNPROTECTED_DACL_SECINFO 0x20000000 1587 #define PROTECTED_SACL_SECINFO 0x40000000 1588 #define PROTECTED_DACL_SECINFO 0x80000000 1589 1590 /* Flags used for FileFullEAinfo */ 1591 #define SL_RESTART_SCAN 0x00000001 1592 #define SL_RETURN_SINGLE_ENTRY 0x00000002 1593 #define SL_INDEX_SPECIFIED 0x00000004 1594 1595 struct smb2_query_info_req { 1596 struct smb2_hdr hdr; 1597 __le16 StructureSize; /* Must be 41 */ 1598 __u8 InfoType; 1599 __u8 FileInfoClass; 1600 __le32 OutputBufferLength; 1601 __le16 InputBufferOffset; 1602 __u16 Reserved; 1603 __le32 InputBufferLength; 1604 __le32 AdditionalInformation; 1605 __le32 Flags; 1606 __u64 PersistentFileId; 1607 __u64 VolatileFileId; 1608 __u8 Buffer[]; 1609 } __packed; 1610 1611 struct smb2_query_info_rsp { 1612 struct smb2_hdr hdr; 1613 __le16 StructureSize; /* Must be 9 */ 1614 __le16 OutputBufferOffset; 1615 __le32 OutputBufferLength; 1616 __u8 Buffer[]; 1617 } __packed; 1618 1619 /* Level 100 query info */ 1620 struct smb311_posix_qinfo { 1621 __le64 CreationTime; 1622 __le64 LastAccessTime; 1623 __le64 LastWriteTime; 1624 __le64 ChangeTime; 1625 __le64 EndOfFile; 1626 __le64 AllocationSize; 1627 __le32 DosAttributes; 1628 __le64 Inode; 1629 __le32 DeviceId; 1630 __le32 Zero; 1631 /* beginning of POSIX Create Context Response */ 1632 __le32 HardLinks; 1633 __le32 ReparseTag; 1634 __le32 Mode; 1635 u8 Sids[]; 1636 /* 1637 * var sized owner SID 1638 * var sized group SID 1639 * le32 filenamelength 1640 * u8 filename[] 1641 */ 1642 } __packed; 1643 1644 /* See MS-SMB2 2.2.23 through 2.2.25 */ 1645 struct smb2_oplock_break { 1646 struct smb2_hdr hdr; 1647 __le16 StructureSize; /* Must be 24 */ 1648 __u8 OplockLevel; 1649 __u8 Reserved; 1650 __le32 Reserved2; 1651 __u64 PersistentFid; 1652 __u64 VolatileFid; 1653 } __packed; 1654 1655 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01) 1656 1657 struct smb2_lease_break { 1658 struct smb2_hdr hdr; 1659 __le16 StructureSize; /* Must be 44 */ 1660 __le16 Epoch; 1661 __le32 Flags; 1662 __u8 LeaseKey[16]; 1663 __le32 CurrentLeaseState; 1664 __le32 NewLeaseState; 1665 __le32 BreakReason; 1666 __le32 AccessMaskHint; 1667 __le32 ShareMaskHint; 1668 } __packed; 1669 1670 struct smb2_lease_ack { 1671 struct smb2_hdr hdr; 1672 __le16 StructureSize; /* Must be 36 */ 1673 __le16 Reserved; 1674 __le32 Flags; 1675 __u8 LeaseKey[16]; 1676 __le32 LeaseState; 1677 __le64 LeaseDuration; 1678 } __packed; 1679 1680 #define OP_BREAK_STRUCT_SIZE_20 24 1681 #define OP_BREAK_STRUCT_SIZE_21 36 1682 1683 /* 1684 * See MS-SMB2 2.2.13.1.1 1685 * MS-SMB 2.2.1.4.1 1686 * These are the file access permission bits defined in CIFS for the 1687 * NTCreateAndX as well as the level 0x107 1688 * TRANS2_QUERY_PATH_INFORMATION API. The level 0x107, SMB_QUERY_FILE_ALL_INFO 1689 * responds with the AccessFlags. 1690 * The AccessFlags specifies the access permissions a caller has to the 1691 * file and can have any suitable combination of the following values: 1692 */ 1693 #define FILE_READ_DATA 0x00000001 /* Data can be read from the file */ 1694 /* or directory child entries can */ 1695 /* be listed together with the */ 1696 /* associated child attributes */ 1697 /* (so the FILE_READ_ATTRIBUTES on */ 1698 /* the child entry is not needed) */ 1699 #define FILE_WRITE_DATA 0x00000002 /* Data can be written to the file */ 1700 /* or new file can be created in */ 1701 /* the directory */ 1702 #define FILE_APPEND_DATA 0x00000004 /* Data can be appended to the file */ 1703 /* (for non-local files over SMB it */ 1704 /* is same as FILE_WRITE_DATA) */ 1705 /* or new subdirectory can be */ 1706 /* created in the directory */ 1707 #define FILE_READ_EA 0x00000008 /* Extended attributes associated */ 1708 /* with the file can be read */ 1709 #define FILE_WRITE_EA 0x00000010 /* Extended attributes associated */ 1710 /* with the file can be written */ 1711 #define FILE_EXECUTE 0x00000020 /*Data can be read into memory from */ 1712 /* the file using system paging I/O */ 1713 /* for executing the file / script */ 1714 /* or right to traverse directory */ 1715 /* (but by default all users have */ 1716 /* directory bypass traverse */ 1717 /* privilege and do not need this */ 1718 /* permission on directories at all)*/ 1719 #define FILE_DELETE_CHILD 0x00000040 /* Child entry can be deleted from */ 1720 /* the directory (so the DELETE on */ 1721 /* the child entry is not needed) */ 1722 #define FILE_READ_ATTRIBUTES 0x00000080 /* Attributes associated with the */ 1723 /* file or directory can be read */ 1724 #define FILE_WRITE_ATTRIBUTES 0x00000100 /* Attributes associated with the */ 1725 /* file or directory can be written */ 1726 #define DELETE 0x00010000 /* The file or dir can be deleted */ 1727 #define READ_CONTROL 0x00020000 /* The discretionary access control */ 1728 /* list and ownership associated */ 1729 /* with the file or dir can be read */ 1730 #define WRITE_DAC 0x00040000 /* The discretionary access control */ 1731 /* list associated with the file or */ 1732 /* directory can be written */ 1733 #define WRITE_OWNER 0x00080000 /* Ownership information associated */ 1734 /* with the file/dir can be written */ 1735 #define SYNCHRONIZE 0x00100000 /* The file handle can waited on to */ 1736 /* synchronize with the completion */ 1737 /* of an input/output request */ 1738 #define SYSTEM_SECURITY 0x01000000 /* The system access control list */ 1739 /* associated with the file or */ 1740 /* directory can be read or written */ 1741 /* (cannot be in DACL, can in SACL) */ 1742 #define MAXIMUM_ALLOWED 0x02000000 /* Maximal subset of GENERIC_ALL */ 1743 /* permissions which can be granted */ 1744 /* (cannot be in DACL nor SACL) */ 1745 #define GENERIC_ALL 0x10000000 /* Same as: GENERIC_EXECUTE | */ 1746 /* GENERIC_WRITE | */ 1747 /* GENERIC_READ | */ 1748 /* FILE_DELETE_CHILD | */ 1749 /* DELETE | */ 1750 /* WRITE_DAC | */ 1751 /* WRITE_OWNER */ 1752 /* So GENERIC_ALL contains all bits */ 1753 /* mentioned above except these two */ 1754 /* SYSTEM_SECURITY MAXIMUM_ALLOWED */ 1755 #define GENERIC_EXECUTE 0x20000000 /* Same as: FILE_EXECUTE | */ 1756 /* FILE_READ_ATTRIBUTES | */ 1757 /* READ_CONTROL | */ 1758 /* SYNCHRONIZE */ 1759 #define GENERIC_WRITE 0x40000000 /* Same as: FILE_WRITE_DATA | */ 1760 /* FILE_APPEND_DATA | */ 1761 /* FILE_WRITE_EA | */ 1762 /* FILE_WRITE_ATTRIBUTES | */ 1763 /* READ_CONTROL | */ 1764 /* SYNCHRONIZE */ 1765 #define GENERIC_READ 0x80000000 /* Same as: FILE_READ_DATA | */ 1766 /* FILE_READ_EA | */ 1767 /* FILE_READ_ATTRIBUTES | */ 1768 /* READ_CONTROL | */ 1769 /* SYNCHRONIZE */ 1770 1771 /* Combinations of file access permission bits */ 1772 #define FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA | FILE_READ_ATTRIBUTES) 1773 #define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ 1774 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES) 1775 #define FILE_EXEC_RIGHTS (FILE_EXECUTE) 1776 #define SET_FILE_EXEC_RIGHTS (FILE_READ_EA | FILE_WRITE_EA | FILE_EXECUTE \ 1777 | FILE_READ_ATTRIBUTES \ 1778 | FILE_WRITE_ATTRIBUTES \ 1779 | DELETE | READ_CONTROL | WRITE_DAC \ 1780 | WRITE_OWNER | SYNCHRONIZE) 1781 #define SET_MINIMUM_RIGHTS (FILE_READ_EA | FILE_READ_ATTRIBUTES \ 1782 | READ_CONTROL | SYNCHRONIZE) 1783 1784 #endif /* _COMMON_SMB2PDU_H */ 1785