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 * For chained payloads, only the first 8 bytes belong to the transform header. 222 * CompressionAlgorithm, Flags and Offset below overlay the first chained 223 * payload header, where Offset represents Length. 224 * 225 * See MS-SMB2 2.2.42 for more details. 226 */ 227 #define SMB2_COMPRESSION_FLAG_NONE 0x0000 228 #define SMB2_COMPRESSION_FLAG_CHAINED 0x0001 229 230 struct smb2_compression_hdr { 231 __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */ 232 __le32 OriginalCompressedSegmentSize; 233 __le16 CompressionAlgorithm; 234 __le16 Flags; 235 __le32 Offset; /* this is the size of the uncompressed SMB2 header below */ 236 /* uncompressed SMB2 header (READ or WRITE) goes here */ 237 /* compressed data goes here */ 238 } __packed; 239 240 /* 241 * ... OTOH, set compression payload header to always have OriginalPayloadSize 242 * as it's easier to pass the struct size minus sizeof(OriginalPayloadSize) 243 * than to juggle around the header/data memory. 244 */ 245 struct smb2_compression_payload_hdr { 246 __le16 CompressionAlgorithm; 247 __le16 Flags; 248 __le32 Length; /* length of compressed playload including field below if present */ 249 __le32 OriginalPayloadSize; /* accounted when LZNT1, LZ77, LZ77+Huffman */ 250 } __packed; 251 252 struct smb2_compression_pattern_v1 { 253 __u8 Pattern; 254 __u8 Reserved1; 255 __le16 Reserved2; 256 __le32 Repetitions; 257 } __packed; 258 259 /* See MS-SMB2 section 2.2.9.2 */ 260 /* Context Types */ 261 #define SMB2_RESERVED_TREE_CONNECT_CONTEXT_ID 0x0000 262 #define SMB2_REMOTED_IDENTITY_TREE_CONNECT_CONTEXT_ID cpu_to_le16(0x0001) 263 264 struct tree_connect_contexts { 265 __le16 ContextType; 266 __le16 DataLength; 267 __le32 Reserved; 268 __u8 Data[]; 269 } __packed; 270 271 /* Remoted identity tree connect context structures - see MS-SMB2 2.2.9.2.1 */ 272 struct smb3_blob_data { 273 __le16 BlobSize; 274 __u8 BlobData[]; 275 } __packed; 276 277 /* Valid values for Attr */ 278 #define SE_GROUP_MANDATORY 0x00000001 279 #define SE_GROUP_ENABLED_BY_DEFAULT 0x00000002 280 #define SE_GROUP_ENABLED 0x00000004 281 #define SE_GROUP_OWNER 0x00000008 282 #define SE_GROUP_USE_FOR_DENY_ONLY 0x00000010 283 #define SE_GROUP_INTEGRITY 0x00000020 284 #define SE_GROUP_INTEGRITY_ENABLED 0x00000040 285 #define SE_GROUP_RESOURCE 0x20000000 286 #define SE_GROUP_LOGON_ID 0xC0000000 287 288 struct sid_array_data { 289 __le16 SidAttrCount; 290 /* SidAttrList - array of sid_attr_data structs */ 291 } __packed; 292 293 /* struct sid_attr_data is SidData array in BlobData format then le32 Attr */ 294 struct sid_attr_data { 295 __le16 BlobSize; 296 __u8 BlobData[]; 297 /* __le32 Attr */ 298 } __packed; 299 300 /* 301 * struct privilege_data is the same as BLOB_DATA - see MS-SMB2 2.2.9.2.1.5 302 * but with size of LUID_ATTR_DATA struct and BlobData set to LUID_ATTR DATA 303 */ 304 305 struct privilege_array_data { 306 __le16 PrivilegeCount; 307 /* array of privilege_data structs */ 308 } __packed; 309 310 struct remoted_identity_tcon_context { 311 __le16 TicketType; /* must be 0x0001 */ 312 __le16 TicketSize; /* total size of this struct */ 313 __le16 User; /* offset to SID_ATTR_DATA struct with user info */ 314 __le16 UserName; /* offset to null terminated Unicode username string */ 315 __le16 Domain; /* offset to null terminated Unicode domain name */ 316 __le16 Groups; /* offset to SID_ARRAY_DATA struct with group info */ 317 __le16 RestrictedGroups; /* similar to above */ 318 __le16 Privileges; /* offset to PRIVILEGE_ARRAY_DATA struct */ 319 __le16 PrimaryGroup; /* offset to SID_ARRAY_DATA struct */ 320 __le16 Owner; /* offset to BLOB_DATA struct */ 321 __le16 DefaultDacl; /* offset to BLOB_DATA struct */ 322 __le16 DeviceGroups; /* offset to SID_ARRAY_DATA struct */ 323 __le16 UserClaims; /* offset to BLOB_DATA struct */ 324 __le16 DeviceClaims; /* offset to BLOB_DATA struct */ 325 __u8 TicketInfo[]; /* variable length buf - remoted identity data */ 326 } __packed; 327 328 struct smb2_tree_connect_req_extension { 329 __le32 TreeConnectContextOffset; 330 __le16 TreeConnectContextCount; 331 __u8 Reserved[10]; 332 __u8 PathName[]; /* variable sized array */ 333 /* followed by array of TreeConnectContexts */ 334 } __packed; 335 336 /* Flags/Reserved for SMB3.1.1 */ 337 #define SMB2_TREE_CONNECT_FLAG_CLUSTER_RECONNECT cpu_to_le16(0x0001) 338 #define SMB2_TREE_CONNECT_FLAG_REDIRECT_TO_OWNER cpu_to_le16(0x0002) 339 #define SMB2_TREE_CONNECT_FLAG_EXTENSION_PRESENT cpu_to_le16(0x0004) 340 341 struct smb2_tree_connect_req { 342 struct smb2_hdr hdr; 343 __le16 StructureSize; /* Must be 9 */ 344 __le16 Flags; /* Flags in SMB3.1.1 */ 345 __le16 PathOffset; 346 __le16 PathLength; 347 __u8 Buffer[]; /* variable length */ 348 } __packed; 349 350 /* Possible ShareType values */ 351 #define SMB2_SHARE_TYPE_DISK 0x01 352 #define SMB2_SHARE_TYPE_PIPE 0x02 353 #define SMB2_SHARE_TYPE_PRINT 0x03 354 355 /* 356 * Possible ShareFlags - exactly one and only one of the first 4 caching flags 357 * must be set (any of the remaining, SHI1005, flags may be set individually 358 * or in combination. 359 */ 360 #define SMB2_SHAREFLAG_MANUAL_CACHING 0x00000000 361 #define SMB2_SHAREFLAG_AUTO_CACHING 0x00000010 362 #define SMB2_SHAREFLAG_VDO_CACHING 0x00000020 363 #define SMB2_SHAREFLAG_NO_CACHING 0x00000030 364 #define SHI1005_FLAGS_DFS 0x00000001 365 #define SHI1005_FLAGS_DFS_ROOT 0x00000002 366 #define SMB2_SHAREFLAG_RESTRICT_EXCLUSIVE_OPENS 0x00000100 367 #define SMB2_SHAREFLAG_FORCE_SHARED_DELETE 0x00000200 368 #define SMB2_SHAREFLAG_ALLOW_NAMESPACE_CACHING 0x00000400 369 #define SMB2_SHAREFLAG_ACCESS_BASED_DIRECTORY_ENUM 0x00000800 370 #define SMB2_SHAREFLAG_FORCE_LEVELII_OPLOCK 0x00001000 371 #define SMB2_SHAREFLAG_ENABLE_HASH_V1 0x00002000 372 #define SMB2_SHAREFLAG_ENABLE_HASH_V2 0x00004000 373 #define SHI1005_FLAGS_ENCRYPT_DATA 0x00008000 374 #define SMB2_SHAREFLAG_IDENTITY_REMOTING 0x00040000 /* 3.1.1 */ 375 #define SMB2_SHAREFLAG_COMPRESS_DATA 0x00100000 /* 3.1.1 */ 376 #define SMB2_SHAREFLAG_ISOLATED_TRANSPORT 0x00200000 377 #define SHI1005_FLAGS_ALL 0x0034FF33 378 379 /* Possible share capabilities */ 380 #define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) /* all dialects */ 381 #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */ 382 #define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */ 383 #define SMB2_SHARE_CAP_CLUSTER cpu_to_le32(0x00000040) /* 3.0 */ 384 #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */ 385 #define SMB2_SHARE_CAP_REDIRECT_TO_OWNER cpu_to_le32(0x00000100) /* 3.1.1 */ 386 387 struct smb2_tree_connect_rsp { 388 struct smb2_hdr hdr; 389 __le16 StructureSize; /* Must be 16 */ 390 __u8 ShareType; /* see below */ 391 __u8 Reserved; 392 __le32 ShareFlags; /* see below */ 393 __le32 Capabilities; /* see below */ 394 __le32 MaximalAccess; 395 } __packed; 396 397 struct smb2_tree_disconnect_req { 398 struct smb2_hdr hdr; 399 __le16 StructureSize; /* Must be 4 */ 400 __le16 Reserved; 401 } __packed; 402 403 struct smb2_tree_disconnect_rsp { 404 struct smb2_hdr hdr; 405 __le16 StructureSize; /* Must be 4 */ 406 __le16 Reserved; 407 } __packed; 408 409 410 /* 411 * SMB2_NEGOTIATE_PROTOCOL See MS-SMB2 section 2.2.3 412 */ 413 /* SecurityMode flags */ 414 #define SMB2_NEGOTIATE_SIGNING_ENABLED 0x0001 415 #define SMB2_NEGOTIATE_SIGNING_ENABLED_LE cpu_to_le16(0x0001) 416 #define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002 417 #define SMB2_NEGOTIATE_SIGNING_REQUIRED_LE cpu_to_le16(0x0002) 418 #define SMB2_SEC_MODE_FLAGS_ALL 0x0003 419 420 /* Capabilities flags */ 421 #define SMB2_GLOBAL_CAP_DFS 0x00000001 422 #define SMB2_GLOBAL_CAP_LEASING 0x00000002 /* Resp only New to SMB2.1 */ 423 #define SMB2_GLOBAL_CAP_LARGE_MTU 0x00000004 /* Resp only New to SMB2.1 */ 424 #define SMB2_GLOBAL_CAP_MULTI_CHANNEL 0x00000008 /* New to SMB3 */ 425 #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */ 426 #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING 0x00000020 /* New to SMB3 */ 427 #define SMB2_GLOBAL_CAP_ENCRYPTION 0x00000040 /* New to SMB3 */ 428 #define SMB2_GLOBAL_CAP_NOTIFICATIONS 0x00000080 /* New to SMB3.1.1 */ 429 /* Internal types */ 430 #define SMB2_NT_FIND 0x00100000 431 #define SMB2_LARGE_FILES 0x00200000 432 433 #define SMB2_CLIENT_GUID_SIZE 16 434 #define SMB2_CREATE_GUID_SIZE 16 435 436 /* Dialects */ 437 #define SMB10_PROT_ID 0x0000 /* local only, not sent on wire w/CIFS negprot */ 438 #define SMB20_PROT_ID 0x0202 439 #define SMB21_PROT_ID 0x0210 440 #define SMB2X_PROT_ID 0x02FF 441 #define SMB30_PROT_ID 0x0300 442 #define SMB302_PROT_ID 0x0302 443 #define SMB311_PROT_ID 0x0311 444 #define BAD_PROT_ID 0xFFFF 445 446 #define SMB311_SALT_SIZE 32 447 /* Hash Algorithm Types */ 448 #define SMB2_PREAUTH_INTEGRITY_SHA512 cpu_to_le16(0x0001) 449 #define SMB2_PREAUTH_HASH_SIZE 64 450 451 /* Negotiate Contexts - ContextTypes. See MS-SMB2 section 2.2.3.1 for details */ 452 #define SMB2_PREAUTH_INTEGRITY_CAPABILITIES cpu_to_le16(1) 453 #define SMB2_ENCRYPTION_CAPABILITIES cpu_to_le16(2) 454 #define SMB2_COMPRESSION_CAPABILITIES cpu_to_le16(3) 455 #define SMB2_NETNAME_NEGOTIATE_CONTEXT_ID cpu_to_le16(5) 456 #define SMB2_TRANSPORT_CAPABILITIES cpu_to_le16(6) 457 #define SMB2_RDMA_TRANSFORM_CAPABILITIES cpu_to_le16(7) 458 #define SMB2_SIGNING_CAPABILITIES cpu_to_le16(8) 459 #define SMB2_POSIX_EXTENSIONS_AVAILABLE cpu_to_le16(0x100) 460 461 struct smb2_neg_context { 462 __le16 ContextType; 463 __le16 DataLength; 464 __le32 Reserved; 465 /* Followed by array of data. NOTE: some servers require padding to 8 byte boundary */ 466 } __packed; 467 468 /* 469 * SaltLength that the server send can be zero, so the only three required 470 * fields (all __le16) end up six bytes total, so the minimum context data len 471 * in the response is six bytes which accounts for 472 * 473 * HashAlgorithmCount, SaltLength, and 1 HashAlgorithm. 474 */ 475 #define MIN_PREAUTH_CTXT_DATA_LEN 6 476 477 struct smb2_preauth_neg_context { 478 __le16 ContextType; /* 1 */ 479 __le16 DataLength; 480 __le32 Reserved; 481 __le16 HashAlgorithmCount; /* 1 */ 482 __le16 SaltLength; 483 __le16 HashAlgorithms; /* HashAlgorithms[0] since only one defined */ 484 __u8 Salt[SMB311_SALT_SIZE]; 485 } __packed; 486 487 /* Encryption Algorithms Ciphers */ 488 #define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001) 489 #define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002) 490 #define SMB2_ENCRYPTION_AES256_CCM cpu_to_le16(0x0003) 491 #define SMB2_ENCRYPTION_AES256_GCM cpu_to_le16(0x0004) 492 493 /* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */ 494 #define MIN_ENCRYPT_CTXT_DATA_LEN 4 495 struct smb2_encryption_neg_context { 496 __le16 ContextType; /* 2 */ 497 __le16 DataLength; 498 __le32 Reserved; 499 /* CipherCount usually 2, but can be 3 when AES256-GCM enabled */ 500 __le16 CipherCount; /* AES128-GCM and AES128-CCM by default */ 501 __le16 Ciphers[]; 502 } __packed; 503 504 /* See MS-SMB2 2.2.3.1.3 */ 505 #define SMB3_COMPRESS_NONE cpu_to_le16(0x0000) 506 #define SMB3_COMPRESS_LZNT1 cpu_to_le16(0x0001) 507 #define SMB3_COMPRESS_LZ77 cpu_to_le16(0x0002) 508 #define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003) 509 /* Pattern scanning algorithm See MS-SMB2 3.1.4.4.1 */ 510 #define SMB3_COMPRESS_PATTERN cpu_to_le16(0x0004) /* Pattern_V1 */ 511 #define SMB3_COMPRESS_LZ4 cpu_to_le16(0x0005) 512 /* Account for NONE for easier array indexing */ 513 #define SMB3_COMPRESS_MAX_ALGS 6 514 515 /* Compression Flags */ 516 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_NONE cpu_to_le32(0x00000000) 517 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_CHAINED cpu_to_le32(0x00000001) 518 519 struct smb2_compression_capabilities_context { 520 __le16 ContextType; /* 3 */ 521 __le16 DataLength; 522 __le32 Reserved; 523 __le16 CompressionAlgorithmCount; 524 __le16 Padding; 525 __le32 Flags; 526 __le16 CompressionAlgorithms[4]; 527 } __packed; 528 529 /* 530 * For smb2_netname_negotiate_context_id See MS-SMB2 2.2.3.1.4. 531 * Its struct simply contains NetName, an array of Unicode characters 532 */ 533 struct smb2_netname_neg_context { 534 __le16 ContextType; /* 5 */ 535 __le16 DataLength; 536 __le32 Reserved; 537 __le16 NetName[]; /* hostname of target converted to UCS-2 */ 538 } __packed; 539 540 /* 541 * For smb2_transport_capabilities context see MS-SMB2 2.2.3.1.5 542 * and 2.2.4.1.5 543 */ 544 545 /* Flags */ 546 #define SMB2_ACCEPT_TRANSPORT_LEVEL_SECURITY 0x00000001 547 548 struct smb2_transport_capabilities_context { 549 __le16 ContextType; /* 6 */ 550 __le16 DataLength; 551 __u32 Reserved; 552 __le32 Flags; 553 __u32 Pad; 554 } __packed; 555 556 /* 557 * For rdma transform capabilities context see MS-SMB2 2.2.3.1.6 558 * and 2.2.4.1.6 559 */ 560 561 /* RDMA Transform IDs */ 562 #define SMB2_RDMA_TRANSFORM_NONE 0x0000 563 #define SMB2_RDMA_TRANSFORM_ENCRYPTION 0x0001 564 #define SMB2_RDMA_TRANSFORM_SIGNING 0x0002 565 566 struct smb2_rdma_transform_capabilities_context { 567 __le16 ContextType; /* 7 */ 568 __le16 DataLength; 569 __u32 Reserved; 570 __le16 TransformCount; 571 __u16 Reserved1; 572 __u32 Reserved2; 573 __le16 RDMATransformIds[]; 574 } __packed; 575 576 /* 577 * For signing capabilities context see MS-SMB2 2.2.3.1.7 578 * and 2.2.4.1.7 579 */ 580 581 /* Signing algorithms */ 582 #define SIGNING_ALG_HMAC_SHA256 0 583 #define SIGNING_ALG_HMAC_SHA256_LE cpu_to_le16(0) 584 #define SIGNING_ALG_AES_CMAC 1 585 #define SIGNING_ALG_AES_CMAC_LE cpu_to_le16(1) 586 #define SIGNING_ALG_AES_GMAC 2 587 #define SIGNING_ALG_AES_GMAC_LE cpu_to_le16(2) 588 589 struct smb2_signing_capabilities { 590 __le16 ContextType; /* 8 */ 591 __le16 DataLength; 592 __le32 Reserved; 593 __le16 SigningAlgorithmCount; 594 __le16 SigningAlgorithms[]; 595 /* Followed by padding to 8 byte boundary (required by some servers) */ 596 } __packed; 597 598 #define POSIX_CTXT_DATA_LEN 16 599 struct smb2_posix_neg_context { 600 __le16 ContextType; /* 0x100 */ 601 __le16 DataLength; 602 __le32 Reserved; 603 __u8 Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */ 604 } __packed; 605 606 struct smb2_negotiate_req { 607 struct smb2_hdr hdr; 608 __le16 StructureSize; /* Must be 36 */ 609 __le16 DialectCount; 610 __le16 SecurityMode; 611 __le16 Reserved; /* MBZ */ 612 __le32 Capabilities; 613 __u8 ClientGUID[SMB2_CLIENT_GUID_SIZE]; 614 /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */ 615 __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */ 616 __le16 NegotiateContextCount; /* SMB3.1.1 only. MBZ earlier */ 617 __le16 Reserved2; 618 __le16 Dialects[]; 619 } __packed; 620 621 struct smb2_negotiate_rsp { 622 struct smb2_hdr hdr; 623 __le16 StructureSize; /* Must be 65 */ 624 __le16 SecurityMode; 625 __le16 DialectRevision; 626 __le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */ 627 __u8 ServerGUID[16]; 628 __le32 Capabilities; 629 __le32 MaxTransactSize; 630 __le32 MaxReadSize; 631 __le32 MaxWriteSize; 632 __le64 SystemTime; /* MBZ */ 633 __le64 ServerStartTime; 634 __le16 SecurityBufferOffset; 635 __le16 SecurityBufferLength; 636 __le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */ 637 __u8 Buffer[]; /* variable length GSS security buffer */ 638 } __packed; 639 640 641 /* 642 * SMB2_SESSION_SETUP See MS-SMB2 section 2.2.5 643 */ 644 /* Flags */ 645 #define SMB2_SESSION_REQ_FLAG_BINDING 0x01 646 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04 647 648 struct smb2_sess_setup_req { 649 struct smb2_hdr hdr; 650 __le16 StructureSize; /* Must be 25 */ 651 __u8 Flags; 652 __u8 SecurityMode; 653 __le32 Capabilities; 654 __le32 Channel; 655 __le16 SecurityBufferOffset; 656 __le16 SecurityBufferLength; 657 __le64 PreviousSessionId; 658 __u8 Buffer[]; /* variable length GSS security buffer */ 659 } __packed; 660 661 /* Currently defined SessionFlags */ 662 #define SMB2_SESSION_FLAG_IS_GUEST 0x0001 663 #define SMB2_SESSION_FLAG_IS_GUEST_LE cpu_to_le16(0x0001) 664 #define SMB2_SESSION_FLAG_IS_NULL 0x0002 665 #define SMB2_SESSION_FLAG_IS_NULL_LE cpu_to_le16(0x0002) 666 #define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004 667 #define SMB2_SESSION_FLAG_ENCRYPT_DATA_LE cpu_to_le16(0x0004) 668 669 struct smb2_sess_setup_rsp { 670 struct smb2_hdr hdr; 671 __le16 StructureSize; /* Must be 9 */ 672 __le16 SessionFlags; 673 __le16 SecurityBufferOffset; 674 __le16 SecurityBufferLength; 675 __u8 Buffer[]; /* variable length GSS security buffer */ 676 } __packed; 677 678 679 /* 680 * SMB2_LOGOFF See MS-SMB2 section 2.2.7 681 */ 682 struct smb2_logoff_req { 683 struct smb2_hdr hdr; 684 __le16 StructureSize; /* Must be 4 */ 685 __le16 Reserved; 686 } __packed; 687 688 struct smb2_logoff_rsp { 689 struct smb2_hdr hdr; 690 __le16 StructureSize; /* Must be 4 */ 691 __le16 Reserved; 692 } __packed; 693 694 695 /* 696 * SMB2_CLOSE See MS-SMB2 section 2.2.15 697 */ 698 /* Currently defined values for close flags */ 699 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001) 700 struct smb2_close_req { 701 struct smb2_hdr hdr; 702 __le16 StructureSize; /* Must be 24 */ 703 __le16 Flags; 704 __le32 Reserved; 705 __u64 PersistentFileId; /* opaque endianness */ 706 __u64 VolatileFileId; /* opaque endianness */ 707 } __packed; 708 709 /* 710 * Maximum size of a SMB2_CLOSE response is 64 (smb2 header) + 60 (data) 711 */ 712 #define MAX_SMB2_CLOSE_RESPONSE_SIZE 124 713 714 struct smb2_close_rsp { 715 struct smb2_hdr hdr; 716 __le16 StructureSize; /* 60 */ 717 __le16 Flags; 718 __le32 Reserved; 719 struct_group_attr(network_open_info, __packed, 720 __le64 CreationTime; 721 __le64 LastAccessTime; 722 __le64 LastWriteTime; 723 __le64 ChangeTime; 724 /* Beginning of FILE_STANDARD_INFO equivalent */ 725 __le64 AllocationSize; 726 __le64 EndOfFile; 727 __le32 Attributes; 728 ); 729 } __packed; 730 731 732 /* 733 * SMB2_READ See MS-SMB2 section 2.2.19 734 */ 735 /* For read request Flags field below, following flag is defined for SMB3.02 */ 736 #define SMB2_READFLAG_READ_UNBUFFERED 0x01 737 #define SMB2_READFLAG_REQUEST_COMPRESSED 0x02 /* See MS-SMB2 2.2.19 */ 738 739 /* Channel field for read and write: exactly one of following flags can be set*/ 740 #define SMB2_CHANNEL_NONE cpu_to_le32(0x00000000) 741 #define SMB2_CHANNEL_RDMA_V1 cpu_to_le32(0x00000001) 742 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) 743 #define SMB2_CHANNEL_RDMA_TRANSFORM cpu_to_le32(0x00000003) 744 745 /* SMB2 read request without RFC1001 length at the beginning */ 746 struct smb2_read_req { 747 struct smb2_hdr hdr; 748 __le16 StructureSize; /* Must be 49 */ 749 __u8 Padding; /* offset from start of SMB2 header to place read */ 750 __u8 Flags; /* MBZ unless SMB3.02 or later */ 751 __le32 Length; 752 __le64 Offset; 753 __u64 PersistentFileId; 754 __u64 VolatileFileId; 755 __le32 MinimumCount; 756 __le32 Channel; /* MBZ except for SMB3 or later */ 757 __le32 RemainingBytes; 758 __le16 ReadChannelInfoOffset; 759 __le16 ReadChannelInfoLength; 760 __u8 Buffer[]; 761 } __packed; 762 763 /* Read flags */ 764 #define SMB2_READFLAG_RESPONSE_NONE cpu_to_le32(0x00000000) 765 #define SMB2_READFLAG_RESPONSE_RDMA_TRANSFORM cpu_to_le32(0x00000001) 766 767 struct smb2_read_rsp { 768 struct smb2_hdr hdr; 769 __le16 StructureSize; /* Must be 17 */ 770 __u8 DataOffset; 771 __u8 Reserved; 772 __le32 DataLength; 773 __le32 DataRemaining; 774 __le32 Flags; 775 __u8 Buffer[]; 776 } __packed; 777 778 779 /* 780 * SMB2_WRITE See MS-SMB2 section 2.2.21 781 */ 782 /* For write request Flags field below the following flags are defined: */ 783 #define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 /* SMB2.1 or later */ 784 #define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002 /* SMB3.02 or later */ 785 786 struct smb2_write_req { 787 struct smb2_hdr hdr; 788 __le16 StructureSize; /* Must be 49 */ 789 __le16 DataOffset; /* offset from start of SMB2 header to write data */ 790 __le32 Length; 791 __le64 Offset; 792 __u64 PersistentFileId; /* opaque endianness */ 793 __u64 VolatileFileId; /* opaque endianness */ 794 __le32 Channel; /* MBZ unless SMB3.02 or later */ 795 __le32 RemainingBytes; 796 __le16 WriteChannelInfoOffset; 797 __le16 WriteChannelInfoLength; 798 __le32 Flags; 799 __u8 Buffer[]; 800 } __packed; 801 802 struct smb2_write_rsp { 803 struct smb2_hdr hdr; 804 __le16 StructureSize; /* Must be 17 */ 805 __u8 DataOffset; 806 __u8 Reserved; 807 __le32 DataLength; 808 __le32 DataRemaining; 809 __u32 Reserved2; 810 __u8 Buffer[]; 811 } __packed; 812 813 814 /* 815 * SMB2_FLUSH See MS-SMB2 section 2.2.17 816 */ 817 struct smb2_flush_req { 818 struct smb2_hdr hdr; 819 __le16 StructureSize; /* Must be 24 */ 820 __le16 Reserved1; 821 __le32 Reserved2; 822 __u64 PersistentFileId; 823 __u64 VolatileFileId; 824 } __packed; 825 826 struct smb2_flush_rsp { 827 struct smb2_hdr hdr; 828 __le16 StructureSize; 829 __le16 Reserved; 830 } __packed; 831 832 #define SMB2_LOCKFLAG_SHARED 0x0001 833 #define SMB2_LOCKFLAG_EXCLUSIVE 0x0002 834 #define SMB2_LOCKFLAG_UNLOCK 0x0004 835 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY 0x0010 836 #define SMB2_LOCKFLAG_MASK 0x0007 837 838 struct smb2_lock_element { 839 __le64 Offset; 840 __le64 Length; 841 __le32 Flags; 842 __le32 Reserved; 843 } __packed; 844 845 struct smb2_lock_req { 846 struct smb2_hdr hdr; 847 __le16 StructureSize; /* Must be 48 */ 848 __le16 LockCount; 849 /* 850 * The least significant four bits are the index, the other 28 bits are 851 * the lock sequence number (0 to 64). See MS-SMB2 2.2.26 852 */ 853 __le32 LockSequenceNumber; 854 __u64 PersistentFileId; 855 __u64 VolatileFileId; 856 /* Followed by at least one */ 857 union { 858 struct smb2_lock_element lock; 859 DECLARE_FLEX_ARRAY(struct smb2_lock_element, locks); 860 }; 861 } __packed; 862 863 struct smb2_lock_rsp { 864 struct smb2_hdr hdr; 865 __le16 StructureSize; /* Must be 4 */ 866 __le16 Reserved; 867 } __packed; 868 869 struct smb2_echo_req { 870 struct smb2_hdr hdr; 871 __le16 StructureSize; /* Must be 4 */ 872 __u16 Reserved; 873 } __packed; 874 875 struct smb2_echo_rsp { 876 struct smb2_hdr hdr; 877 __le16 StructureSize; /* Must be 4 */ 878 __u16 Reserved; 879 } __packed; 880 881 /* 882 * Valid FileInformation classes for query directory 883 * 884 * Note that these are a subset of the (file) QUERY_INFO levels defined 885 * later in this file (but since QUERY_DIRECTORY uses equivalent numbers 886 * we do not redefine them here) 887 * 888 * FileDirectoryInfomation 0x01 889 * FileFullDirectoryInformation 0x02 890 * FileIdFullDirectoryInformation 0x26 891 * FileBothDirectoryInformation 0x03 892 * FileIdBothDirectoryInformation 0x25 893 * FileNamesInformation 0x0C 894 * FileIdExtdDirectoryInformation 0x3C 895 */ 896 897 /* search (query_directory) Flags field */ 898 #define SMB2_RESTART_SCANS 0x01 899 #define SMB2_RETURN_SINGLE_ENTRY 0x02 900 #define SMB2_INDEX_SPECIFIED 0x04 901 #define SMB2_REOPEN 0x10 902 903 struct smb2_query_directory_req { 904 struct smb2_hdr hdr; 905 __le16 StructureSize; /* Must be 33 */ 906 __u8 FileInformationClass; 907 __u8 Flags; 908 __le32 FileIndex; 909 __u64 PersistentFileId; 910 __u64 VolatileFileId; 911 __le16 FileNameOffset; 912 __le16 FileNameLength; 913 __le32 OutputBufferLength; 914 __u8 Buffer[]; 915 } __packed; 916 917 struct smb2_query_directory_rsp { 918 struct smb2_hdr hdr; 919 __le16 StructureSize; /* Must be 9 */ 920 __le16 OutputBufferOffset; 921 __le32 OutputBufferLength; 922 __u8 Buffer[]; 923 } __packed; 924 925 /* DeviceType Flags */ 926 #define FILE_DEVICE_CD_ROM 0x00000002 927 #define FILE_DEVICE_CD_ROM_FILE_SYSTEM 0x00000003 928 #define FILE_DEVICE_DFS 0x00000006 929 #define FILE_DEVICE_DISK 0x00000007 930 #define FILE_DEVICE_DISK_FILE_SYSTEM 0x00000008 931 #define FILE_DEVICE_FILE_SYSTEM 0x00000009 932 #define FILE_DEVICE_NAMED_PIPE 0x00000011 933 #define FILE_DEVICE_NETWORK 0x00000012 934 #define FILE_DEVICE_NETWORK_FILE_SYSTEM 0x00000014 935 #define FILE_DEVICE_NULL 0x00000015 936 #define FILE_DEVICE_PARALLEL_PORT 0x00000016 937 #define FILE_DEVICE_PRINTER 0x00000018 938 #define FILE_DEVICE_SERIAL_PORT 0x0000001b 939 #define FILE_DEVICE_STREAMS 0x0000001e 940 #define FILE_DEVICE_TAPE 0x0000001f 941 #define FILE_DEVICE_TAPE_FILE_SYSTEM 0x00000020 942 #define FILE_DEVICE_VIRTUAL_DISK 0x00000024 943 #define FILE_DEVICE_NETWORK_REDIRECTOR 0x00000028 944 945 /* Device Characteristics */ 946 #define FILE_REMOVABLE_MEDIA 0x00000001 947 #define FILE_READ_ONLY_DEVICE 0x00000002 948 #define FILE_FLOPPY_DISKETTE 0x00000004 949 #define FILE_WRITE_ONCE_MEDIA 0x00000008 950 #define FILE_REMOTE_DEVICE 0x00000010 951 #define FILE_DEVICE_IS_MOUNTED 0x00000020 952 #define FILE_VIRTUAL_VOLUME 0x00000040 953 #define FILE_DEVICE_SECURE_OPEN 0x00000100 954 #define FILE_CHARACTERISTIC_TS_DEVICE 0x00001000 955 #define FILE_CHARACTERISTIC_WEBDAV_DEVICE 0x00002000 956 #define FILE_PORTABLE_DEVICE 0x00004000 957 #define FILE_DEVICE_ALLOW_APPCONTAINER_TRAVERSAL 0x00020000 958 959 /* 960 * Maximum number of iovs we need for a set-info request. 961 * The largest one is rename/hardlink 962 * [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info 963 * [1] : path 964 * [2] : compound padding 965 */ 966 #define SMB2_SET_INFO_IOV_SIZE 3 967 968 struct smb2_set_info_req { 969 struct smb2_hdr hdr; 970 __le16 StructureSize; /* Must be 33 */ 971 __u8 InfoType; 972 __u8 FileInfoClass; 973 __le32 BufferLength; 974 __le16 BufferOffset; 975 __u16 Reserved; 976 __le32 AdditionalInformation; 977 __u64 PersistentFileId; 978 __u64 VolatileFileId; 979 __u8 Buffer[]; 980 } __packed; 981 982 struct smb2_set_info_rsp { 983 struct smb2_hdr hdr; 984 __le16 StructureSize; /* Must be 2 */ 985 } __packed; 986 987 /* 988 * SMB2_NOTIFY See MS-SMB2 section 2.2.35 989 */ 990 /* notify flags */ 991 #define SMB2_WATCH_TREE 0x0001 992 993 /* notify completion filter flags. See MS-FSCC 2.6 and MS-SMB2 2.2.35 */ 994 #define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001 995 #define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002 996 #define FILE_NOTIFY_CHANGE_NAME 0x00000003 997 #define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004 998 #define FILE_NOTIFY_CHANGE_SIZE 0x00000008 999 #define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010 1000 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020 1001 #define FILE_NOTIFY_CHANGE_CREATION 0x00000040 1002 #define FILE_NOTIFY_CHANGE_EA 0x00000080 1003 #define FILE_NOTIFY_CHANGE_SECURITY 0x00000100 1004 #define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200 1005 #define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400 1006 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800 1007 1008 /* See MS-SMB2 2.2.35 */ 1009 struct smb2_change_notify_req { 1010 struct smb2_hdr hdr; 1011 __le16 StructureSize; 1012 __le16 Flags; 1013 __le32 OutputBufferLength; 1014 __u64 PersistentFileId; /* opaque endianness */ 1015 __u64 VolatileFileId; /* opaque endianness */ 1016 __le32 CompletionFilter; 1017 __u32 Reserved; 1018 } __packed; 1019 1020 /* See MS-SMB2 2.2.36 */ 1021 struct smb2_change_notify_rsp { 1022 struct smb2_hdr hdr; 1023 __le16 StructureSize; /* Must be 9 */ 1024 __le16 OutputBufferOffset; 1025 __le32 OutputBufferLength; 1026 __u8 Buffer[]; /* array of file notify structs */ 1027 } __packed; 1028 1029 /* 1030 * SMB2_SERVER_TO_CLIENT_NOTIFICATION: See MS-SMB2 section 2.2.44 1031 */ 1032 1033 #define SMB2_NOTIFY_SESSION_CLOSED 0x0000 1034 1035 struct smb2_server_client_notification { 1036 struct smb2_hdr hdr; 1037 __le16 StructureSize; 1038 __u16 Reserved; /* MBZ */ 1039 __le32 NotificationType; 1040 __u8 NotificationBuffer[4]; /* MBZ */ 1041 } __packed; 1042 1043 /* 1044 * SMB2_CREATE See MS-SMB2 section 2.2.13 1045 */ 1046 /* Oplock levels */ 1047 #define SMB2_OPLOCK_LEVEL_NONE 0x00 1048 #define SMB2_OPLOCK_LEVEL_II 0x01 1049 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08 1050 #define SMB2_OPLOCK_LEVEL_BATCH 0x09 1051 #define SMB2_OPLOCK_LEVEL_LEASE 0xFF 1052 /* Non-spec internal type */ 1053 #define SMB2_OPLOCK_LEVEL_NOCHANGE 0x99 1054 1055 /* Impersonation Levels. See MS-WPO section 9.7 and MSDN-IMPERS */ 1056 #define IL_ANONYMOUS cpu_to_le32(0x00000000) 1057 #define IL_IDENTIFICATION cpu_to_le32(0x00000001) 1058 #define IL_IMPERSONATION cpu_to_le32(0x00000002) 1059 #define IL_DELEGATE cpu_to_le32(0x00000003) 1060 1061 /* Desired Access Flags */ 1062 #define FILE_READ_DATA_LE cpu_to_le32(0x00000001) 1063 #define FILE_LIST_DIRECTORY_LE cpu_to_le32(0x00000001) 1064 #define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002) 1065 #define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004) 1066 #define FILE_ADD_SUBDIRECTORY_LE cpu_to_le32(0x00000004) 1067 #define FILE_READ_EA_LE cpu_to_le32(0x00000008) 1068 #define FILE_WRITE_EA_LE cpu_to_le32(0x00000010) 1069 #define FILE_EXECUTE_LE cpu_to_le32(0x00000020) 1070 #define FILE_DELETE_CHILD_LE cpu_to_le32(0x00000040) 1071 #define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080) 1072 #define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100) 1073 #define FILE_DELETE_LE cpu_to_le32(0x00010000) 1074 #define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000) 1075 #define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000) 1076 #define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000) 1077 #define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000) 1078 #define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000) 1079 #define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000) 1080 #define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000) 1081 #define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000) 1082 #define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000) 1083 #define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000) 1084 #define DESIRED_ACCESS_MASK cpu_to_le32(0xF21F01FF) 1085 1086 1087 #define FILE_READ_DESIRED_ACCESS_LE (FILE_READ_DATA_LE | \ 1088 FILE_READ_EA_LE | \ 1089 FILE_GENERIC_READ_LE) 1090 #define FILE_WRITE_DESIRE_ACCESS_LE (FILE_WRITE_DATA_LE | \ 1091 FILE_APPEND_DATA_LE | \ 1092 FILE_WRITE_EA_LE | \ 1093 FILE_WRITE_ATTRIBUTES_LE | \ 1094 FILE_GENERIC_WRITE_LE) 1095 1096 /* ShareAccess Flags */ 1097 #define FILE_SHARE_READ_LE cpu_to_le32(0x00000001) 1098 #define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002) 1099 #define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004) 1100 #define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007) 1101 1102 /* CreateDisposition Flags */ 1103 #define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000) 1104 #define FILE_OPEN_LE cpu_to_le32(0x00000001) 1105 #define FILE_CREATE_LE cpu_to_le32(0x00000002) 1106 #define FILE_OPEN_IF_LE cpu_to_le32(0x00000003) 1107 #define FILE_OVERWRITE_LE cpu_to_le32(0x00000004) 1108 #define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005) 1109 #define FILE_CREATE_MASK_LE cpu_to_le32(0x00000007) 1110 1111 /* CreateOptions Flags */ 1112 #define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001) 1113 /* same as #define CREATE_NOT_FILE_LE cpu_to_le32(0x00000001) */ 1114 #define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002) 1115 #define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004) 1116 #define FILE_NO_INTERMEDIATE_BUFFERING_LE cpu_to_le32(0x00000008) 1117 /* FILE_SYNCHRONOUS_IO_ALERT_LE cpu_to_le32(0x00000010) should be zero, ignored */ 1118 /* FILE_SYNCHRONOUS_IO_NONALERT cpu_to_le32(0x00000020) should be zero, ignored */ 1119 #define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040) 1120 #define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100) 1121 #define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200) 1122 /* FILE_OPEN_REMOTE_INSTANCE cpu_to_le32(0x00000400) should be zero, ignored */ 1123 #define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800) 1124 #define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000) /* MBZ */ 1125 #define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000) 1126 #define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000) 1127 #define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000) 1128 /* FILE_OPEN_REQUIRING_OPLOCK cpu_to_le32(0x00010000) should be zero, ignored */ 1129 /* FILE_DISALLOW_EXCLUSIVE cpu_to_le32(0x00020000) should be zero, ignored */ 1130 /* FILE_RESERVE_OPFILTER cpu_to_le32(0x00100000) MBZ */ 1131 #define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000) 1132 #define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000) 1133 /* #define FILE_OPEN_FOR_FREE_SPACE_QUERY cpu_to_le32(0x00800000) should be zero, ignored */ 1134 #define CREATE_OPTIONS_MASK_LE cpu_to_le32(0x00FFFFFF) 1135 1136 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \ 1137 | FILE_READ_ATTRIBUTES_LE) 1138 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \ 1139 | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE) 1140 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE) 1141 1142 /* Create Context Values */ 1143 #define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */ 1144 #define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */ 1145 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ" 1146 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC" 1147 #define SMB2_CREATE_ALLOCATION_SIZE "AlSi" 1148 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc" 1149 #define SMB2_CREATE_TIMEWARP_REQUEST "TWrp" 1150 #define SMB2_CREATE_QUERY_ON_DISK_ID "QFid" 1151 #define SMB2_CREATE_REQUEST_LEASE "RqLs" 1152 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q" 1153 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C" 1154 #define SMB2_CREATE_TAG_POSIX "\x93\xAD\x25\x50\x9C\xB4\x11\xE7\xB4\x23\x83\xDE\x96\x8B\xCD\x7C" 1155 #define SMB2_CREATE_APP_INSTANCE_ID "\x45\xBC\xA6\x6A\xEF\xA7\xF7\x4A\x90\x08\xFA\x46\x2E\x14\x4D\x74" 1156 #define SMB2_CREATE_APP_INSTANCE_VERSION "\xB9\x82\xD0\xB7\x3B\x56\x07\x4F\xA0\x7B\x52\x4A\x81\x16\xA0\x10" 1157 #define SVHDX_OPEN_DEVICE_CONTEXT "\x9C\xCB\xCF\x9E\x04\xC1\xE6\x43\x98\x0E\x15\x8D\xA1\xF6\xEC\x83" 1158 #define SMB2_CREATE_TAG_AAPL "AAPL" 1159 1160 /* Flag (SMB3 open response) values */ 1161 #define SMB2_CREATE_FLAG_REPARSEPOINT 0x01 1162 1163 struct create_context { 1164 /* New members must be added within the struct_group() macro below. */ 1165 __struct_group(create_context_hdr, hdr, __packed, 1166 __le32 Next; 1167 __le16 NameOffset; 1168 __le16 NameLength; 1169 __le16 Reserved; 1170 __le16 DataOffset; 1171 __le32 DataLength; 1172 ); 1173 __u8 Buffer[]; 1174 } __packed; 1175 static_assert(offsetof(struct create_context, Buffer) == sizeof(struct create_context_hdr), 1176 "struct member likely outside of __struct_group()"); 1177 1178 struct smb2_create_req { 1179 struct smb2_hdr hdr; 1180 __le16 StructureSize; /* Must be 57 */ 1181 __u8 SecurityFlags; 1182 __u8 RequestedOplockLevel; 1183 __le32 ImpersonationLevel; 1184 __le64 SmbCreateFlags; 1185 __le64 Reserved; 1186 __le32 DesiredAccess; 1187 __le32 FileAttributes; 1188 __le32 ShareAccess; 1189 __le32 CreateDisposition; 1190 __le32 CreateOptions; 1191 __le16 NameOffset; 1192 __le16 NameLength; 1193 __le32 CreateContextsOffset; 1194 __le32 CreateContextsLength; 1195 __u8 Buffer[]; 1196 } __packed; 1197 1198 struct smb2_create_rsp { 1199 struct smb2_hdr hdr; 1200 __le16 StructureSize; /* Must be 89 */ 1201 __u8 OplockLevel; 1202 __u8 Flags; /* 0x01 if reparse point */ 1203 __le32 CreateAction; 1204 __le64 CreationTime; 1205 __le64 LastAccessTime; 1206 __le64 LastWriteTime; 1207 __le64 ChangeTime; 1208 __le64 AllocationSize; 1209 __le64 EndofFile; 1210 __le32 FileAttributes; 1211 __le32 Reserved2; 1212 __u64 PersistentFileId; 1213 __u64 VolatileFileId; 1214 __le32 CreateContextsOffset; 1215 __le32 CreateContextsLength; 1216 __u8 Buffer[]; 1217 } __packed; 1218 1219 struct create_posix { 1220 struct create_context_hdr ccontext; 1221 __u8 Name[16]; 1222 __le32 Mode; 1223 __u32 Reserved; 1224 } __packed; 1225 1226 /* See MS-SMB2 2.2.13.2.3 and MS-SMB2 2.2.13.2.4 */ 1227 typedef struct { 1228 struct create_context_hdr ccontext; 1229 __u8 Name[8]; 1230 union { 1231 __u8 Reserved[16]; 1232 struct { 1233 __u64 PersistentFileId; 1234 __u64 VolatileFileId; 1235 } Fid; 1236 } Data; 1237 } __packed create_durable_req_t, create_durable_reconn_t; 1238 1239 /* See MS-SMB2 2.2.13.2.5 */ 1240 struct create_mxac_req { 1241 struct create_context_hdr ccontext; 1242 __u8 Name[8]; 1243 __le64 Timestamp; 1244 } __packed; 1245 1246 /* 1247 * Flags 1248 * See MS-SMB2 2.2.13.2.11 1249 * MS-SMB2 2.2.13.2.12 1250 * MS-SMB2 2.2.14.2.12 1251 */ 1252 #define SMB2_DHANDLE_FLAG_PERSISTENT 0x00000002 1253 1254 /* See MS-SMB2 2.2.13.2.11 */ 1255 struct durable_context_v2_req { 1256 __le32 Timeout; 1257 __le32 Flags; /* see SMB2_DHANDLE_FLAG_PERSISTENT */ 1258 __u64 Reserved; 1259 __u8 CreateGuid[16]; 1260 } __packed; 1261 1262 struct create_durable_req_v2 { 1263 struct create_context_hdr ccontext; 1264 __u8 Name[8]; 1265 struct durable_context_v2_req dcontext; 1266 } __packed; 1267 1268 /* See MS-SMB2 2.2.13.2.12 */ 1269 struct durable_reconnect_context_v2 { 1270 struct { 1271 __u64 PersistentFileId; 1272 __u64 VolatileFileId; 1273 } Fid; 1274 __u8 CreateGuid[16]; 1275 __le32 Flags; /* see SMB2_DHANDLE_FLAG_PERSISTENT */ 1276 } __packed; 1277 1278 struct create_durable_handle_reconnect_v2 { 1279 struct create_context_hdr ccontext; 1280 __u8 Name[8]; 1281 struct durable_reconnect_context_v2 dcontext; 1282 __u8 Pad[4]; 1283 } __packed; 1284 1285 /* See MS-SMB2 2.2.14.2.12 */ 1286 struct durable_context_v2_rsp { 1287 __le32 Timeout; 1288 __le32 Flags; /* see SMB2_DHANDLE_FLAG_PERSISTENT */ 1289 } __packed; 1290 1291 struct create_durable_rsp_v2 { 1292 struct create_context_hdr ccontext; 1293 __u8 Name[8]; 1294 struct durable_context_v2_rsp dcontext; 1295 } __packed; 1296 1297 /* See MS-SMB2 2.2.14.2.5 */ 1298 struct create_mxac_rsp { 1299 struct create_context_hdr ccontext; 1300 __u8 Name[8]; 1301 __le32 QueryStatus; 1302 __le32 MaximalAccess; 1303 } __packed; 1304 1305 #define SMB2_LEASE_NONE_LE cpu_to_le32(0x00) 1306 #define SMB2_LEASE_READ_CACHING_LE cpu_to_le32(0x01) 1307 #define SMB2_LEASE_HANDLE_CACHING_LE cpu_to_le32(0x02) 1308 #define SMB2_LEASE_WRITE_CACHING_LE cpu_to_le32(0x04) 1309 1310 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS_LE cpu_to_le32(0x02) 1311 #define SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET_LE cpu_to_le32(0x04) 1312 1313 #define SMB2_LEASE_KEY_SIZE 16 1314 1315 /* See MS-SMB2 2.2.13.2.8 */ 1316 struct lease_context { 1317 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 1318 __le32 LeaseState; 1319 __le32 LeaseFlags; 1320 __le64 LeaseDuration; 1321 } __packed; 1322 1323 /* See MS-SMB2 2.2.13.2.10 */ 1324 struct lease_context_v2 { 1325 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 1326 __le32 LeaseState; 1327 __le32 LeaseFlags; 1328 __le64 LeaseDuration; 1329 __u8 ParentLeaseKey[SMB2_LEASE_KEY_SIZE]; 1330 __le16 Epoch; 1331 __le16 Reserved; 1332 } __packed; 1333 1334 struct create_lease { 1335 struct create_context_hdr ccontext; 1336 __u8 Name[8]; 1337 struct lease_context lcontext; 1338 } __packed; 1339 1340 struct create_lease_v2 { 1341 struct create_context_hdr ccontext; 1342 __u8 Name[8]; 1343 struct lease_context_v2 lcontext; 1344 __u8 Pad[4]; 1345 } __packed; 1346 1347 /* See MS-SMB2 2.2.14.2.9 */ 1348 struct create_disk_id_rsp { 1349 struct create_context_hdr ccontext; 1350 __u8 Name[8]; 1351 __le64 DiskFileId; 1352 __le64 VolumeId; 1353 __u8 Reserved[16]; 1354 } __packed; 1355 1356 /* See MS-SMB2 2.2.13.2.13 */ 1357 struct create_app_inst_id { 1358 struct create_context_hdr ccontext; 1359 __u8 Name[16]; 1360 __le32 StructureSize; /* Must be 20 */ 1361 __u16 Reserved; 1362 __u8 AppInstanceId[16]; 1363 } __packed; 1364 1365 /* See MS-SMB2 2.2.13.2.15 */ 1366 struct create_app_inst_id_vers { 1367 struct create_context_hdr ccontext; 1368 __u8 Name[16]; 1369 __le32 StructureSize; /* Must be 24 */ 1370 __u16 Reserved; 1371 __u32 Padding; 1372 __le64 AppInstanceVersionHigh; 1373 __le64 AppInstanceVersionLow; 1374 } __packed; 1375 1376 /* See MS-SMB2 2.2.31 and 2.2.32 */ 1377 struct smb2_ioctl_req { 1378 struct smb2_hdr hdr; 1379 __le16 StructureSize; /* Must be 57 */ 1380 __le16 Reserved; /* offset from start of SMB2 header to write data */ 1381 __le32 CtlCode; 1382 __u64 PersistentFileId; 1383 __u64 VolatileFileId; 1384 __le32 InputOffset; /* Reserved MBZ */ 1385 __le32 InputCount; 1386 __le32 MaxInputResponse; 1387 __le32 OutputOffset; 1388 __le32 OutputCount; 1389 __le32 MaxOutputResponse; 1390 __le32 Flags; 1391 __le32 Reserved2; 1392 __u8 Buffer[]; 1393 } __packed; 1394 1395 /* See MS-SMB2 2.2.31.1.1 */ 1396 struct srv_copychunk { 1397 __le64 SourceOffset; 1398 __le64 TargetOffset; 1399 __le32 Length; 1400 __le32 Reserved; 1401 } __packed; 1402 1403 #define COPY_CHUNK_RES_KEY_SIZE 24 1404 1405 /* See MS-SMB2 2.2.31.1 */ 1406 /* this goes in the ioctl buffer when doing a copychunk request */ 1407 struct copychunk_ioctl_req { 1408 union { 1409 char SourceKey[COPY_CHUNK_RES_KEY_SIZE]; 1410 __le64 SourceKeyU64[3]; 1411 }; 1412 __le32 ChunkCount; 1413 __le32 Reserved; 1414 struct srv_copychunk Chunks[] __counted_by_le(ChunkCount); 1415 } __packed; 1416 1417 /* See MS-SMB2 2.2.32.1 */ 1418 struct copychunk_ioctl_rsp { 1419 __le32 ChunksWritten; 1420 __le32 ChunkBytesWritten; 1421 __le32 TotalBytesWritten; 1422 } __packed; 1423 1424 /* See MS-SMB2 2.2.32.3 */ 1425 struct resume_key_ioctl_rsp { 1426 union { 1427 char ResumeKey[COPY_CHUNK_RES_KEY_SIZE]; 1428 __u64 ResumeKeyU64[3]; 1429 }; 1430 __le32 ContextLength; /* MBZ */ 1431 char Context[]; /* ignored, Windows sets to 4 bytes of zero */ 1432 } __packed; 1433 1434 struct smb2_ioctl_rsp { 1435 struct smb2_hdr hdr; 1436 __le16 StructureSize; /* Must be 49 */ 1437 __le16 Reserved; 1438 __le32 CtlCode; 1439 __u64 PersistentFileId; 1440 __u64 VolatileFileId; 1441 __le32 InputOffset; /* Reserved MBZ */ 1442 __le32 InputCount; 1443 __le32 OutputOffset; 1444 __le32 OutputCount; 1445 __le32 Flags; 1446 __le32 Reserved2; 1447 __u8 Buffer[]; 1448 } __packed; 1449 1450 /* See MS-SMB2 2.2.32.5.1.1 */ 1451 struct smb_sockaddr_in { 1452 __be16 Port; 1453 __be32 IPv4Address; 1454 __u8 Reserved[8]; 1455 } __packed; 1456 1457 /* See MS-SMB2 2.2.32.5.1.2 */ 1458 struct smb_sockaddr_in6 { 1459 __be16 Port; 1460 __be32 FlowInfo; 1461 __u8 IPv6Address[16]; 1462 __be32 ScopeId; 1463 } __packed; 1464 1465 /* See MS-SMB2 2.2.32.5 and MS-SMB2 2.2.32.5.1 */ 1466 #define RSS_CAPABLE cpu_to_le32(0x00000001) 1467 #define RDMA_CAPABLE cpu_to_le32(0x00000002) 1468 #define INTERNETWORK cpu_to_le16(0x0002) 1469 #define INTERNETWORKV6 cpu_to_le16(0x0017) 1470 struct network_interface_info_ioctl_rsp { 1471 __le32 Next; /* next interface. zero if this is last one */ 1472 __le32 IfIndex; 1473 __le32 Capability; /* RSS or RDMA Capable */ 1474 __le32 Reserved; 1475 __le64 LinkSpeed; 1476 union { 1477 char SockAddr_Storage[128]; 1478 struct { 1479 __le16 Family; 1480 __u8 Buffer[126]; 1481 }; 1482 }; 1483 } __packed; 1484 1485 /* Integrity ChecksumAlgorithm choices for above */ 1486 #define CHECKSUM_TYPE_NONE 0x0000 1487 #define CHECKSUM_TYPE_CRC64 0x0002 1488 #define CHECKSUM_TYPE_UNCHANGED 0xFFFF /* set only */ 1489 1490 /* Integrity flags for above */ 1491 #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x00000001 1492 1493 struct validate_negotiate_info_req { 1494 __le32 Capabilities; 1495 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1496 __le16 SecurityMode; 1497 __le16 DialectCount; 1498 __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */ 1499 } __packed; 1500 1501 struct validate_negotiate_info_rsp { 1502 __le32 Capabilities; 1503 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1504 __le16 SecurityMode; 1505 __le16 Dialect; /* Dialect in use for the connection */ 1506 } __packed; 1507 1508 1509 /* Possible InfoType values */ 1510 #define SMB2_O_INFO_FILE 0x01 1511 #define SMB2_O_INFO_FILESYSTEM 0x02 1512 #define SMB2_O_INFO_SECURITY 0x03 1513 #define SMB2_O_INFO_QUOTA 0x04 1514 1515 /* SMB2 Query Info see MS-SMB2 (2.2.37) or MS-DTYP */ 1516 1517 /* List of QUERY INFO levels (those also valid for QUERY_DIR are noted below */ 1518 #define FILE_DIRECTORY_INFORMATION 1 /* also for QUERY_DIR */ 1519 #define FILE_FULL_DIRECTORY_INFORMATION 2 /* also for QUERY_DIR */ 1520 #define FILE_BOTH_DIRECTORY_INFORMATION 3 /* also for QUERY_DIR */ 1521 #define FILE_BASIC_INFORMATION 4 1522 #define FILE_STANDARD_INFORMATION 5 1523 #define FILE_INTERNAL_INFORMATION 6 1524 #define FILE_EA_INFORMATION 7 1525 #define FILE_ACCESS_INFORMATION 8 1526 #define FILE_NAME_INFORMATION 9 1527 #define FILE_RENAME_INFORMATION 10 1528 #define FILE_LINK_INFORMATION 11 1529 #define FILE_NAMES_INFORMATION 12 /* also for QUERY_DIR */ 1530 #define FILE_DISPOSITION_INFORMATION 13 1531 #define FILE_POSITION_INFORMATION 14 1532 #define FILE_FULL_EA_INFORMATION 15 1533 #define FILE_MODE_INFORMATION 16 1534 #define FILE_ALIGNMENT_INFORMATION 17 1535 #define FILE_ALL_INFORMATION 18 1536 #define FILE_ALLOCATION_INFORMATION 19 1537 #define FILE_END_OF_FILE_INFORMATION 20 1538 #define FILE_ALTERNATE_NAME_INFORMATION 21 1539 #define FILE_STREAM_INFORMATION 22 1540 #define FILE_PIPE_INFORMATION 23 1541 #define FILE_PIPE_LOCAL_INFORMATION 24 1542 #define FILE_PIPE_REMOTE_INFORMATION 25 1543 #define FILE_MAILSLOT_QUERY_INFORMATION 26 1544 #define FILE_MAILSLOT_SET_INFORMATION 27 1545 #define FILE_COMPRESSION_INFORMATION 28 1546 #define FILE_OBJECT_ID_INFORMATION 29 1547 /* Number 30 not defined in documents */ 1548 #define FILE_MOVE_CLUSTER_INFORMATION 31 1549 #define FILE_QUOTA_INFORMATION 32 1550 #define FILE_REPARSE_POINT_INFORMATION 33 1551 #define FILE_NETWORK_OPEN_INFORMATION 34 1552 #define FILE_ATTRIBUTE_TAG_INFORMATION 35 1553 #define FILE_TRACKING_INFORMATION 36 1554 #define FILEID_BOTH_DIRECTORY_INFORMATION 37 /* also for QUERY_DIR */ 1555 #define FILEID_FULL_DIRECTORY_INFORMATION 38 /* also for QUERY_DIR */ 1556 #define FILE_VALID_DATA_LENGTH_INFORMATION 39 1557 #define FILE_SHORT_NAME_INFORMATION 40 1558 #define FILE_SFIO_RESERVE_INFORMATION 44 1559 #define FILE_SFIO_VOLUME_INFORMATION 45 1560 #define FILE_HARD_LINK_INFORMATION 46 1561 #define FILE_NORMALIZED_NAME_INFORMATION 48 1562 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50 1563 #define FILE_STANDARD_LINK_INFORMATION 54 1564 #define FILE_ID_INFORMATION 59 1565 #define FILE_ID_EXTD_DIRECTORY_INFORMATION 60 /* also for QUERY_DIR */ 1566 #define FileId64ExtdDirectoryInformation 78 /* also for QUERY_DIR */ 1567 #define FileId64ExtdBothDirectoryInformation 79 /* also for QUERY_DIR */ 1568 #define FileIdAllExtdDirectoryInformation 80 /* also for QUERY_DIR */ 1569 #define FileIdAllExtdBothDirectoryInformation 81 /* also for QUERY_DIR */ 1570 /* Used for Query Info and Find File POSIX Info for SMB3.1.1 and SMB1 */ 1571 #define SMB_FIND_FILE_POSIX_INFO 0x064 1572 1573 /* Security info type additionalinfo flags. */ 1574 #define OWNER_SECINFO 0x00000001 1575 #define GROUP_SECINFO 0x00000002 1576 #define DACL_SECINFO 0x00000004 1577 #define SACL_SECINFO 0x00000008 1578 #define LABEL_SECINFO 0x00000010 1579 #define ATTRIBUTE_SECINFO 0x00000020 1580 #define SCOPE_SECINFO 0x00000040 1581 #define BACKUP_SECINFO 0x00010000 1582 #define UNPROTECTED_SACL_SECINFO 0x10000000 1583 #define UNPROTECTED_DACL_SECINFO 0x20000000 1584 #define PROTECTED_SACL_SECINFO 0x40000000 1585 #define PROTECTED_DACL_SECINFO 0x80000000 1586 1587 /* Flags used for FileFullEAinfo */ 1588 #define SL_RESTART_SCAN 0x00000001 1589 #define SL_RETURN_SINGLE_ENTRY 0x00000002 1590 #define SL_INDEX_SPECIFIED 0x00000004 1591 1592 struct smb2_query_info_req { 1593 struct smb2_hdr hdr; 1594 __le16 StructureSize; /* Must be 41 */ 1595 __u8 InfoType; 1596 __u8 FileInfoClass; 1597 __le32 OutputBufferLength; 1598 __le16 InputBufferOffset; 1599 __u16 Reserved; 1600 __le32 InputBufferLength; 1601 __le32 AdditionalInformation; 1602 __le32 Flags; 1603 __u64 PersistentFileId; 1604 __u64 VolatileFileId; 1605 __u8 Buffer[]; 1606 } __packed; 1607 1608 struct smb2_query_info_rsp { 1609 struct smb2_hdr hdr; 1610 __le16 StructureSize; /* Must be 9 */ 1611 __le16 OutputBufferOffset; 1612 __le32 OutputBufferLength; 1613 __u8 Buffer[]; 1614 } __packed; 1615 1616 /* Level 100 query info */ 1617 struct smb311_posix_qinfo { 1618 __le64 CreationTime; 1619 __le64 LastAccessTime; 1620 __le64 LastWriteTime; 1621 __le64 ChangeTime; 1622 __le64 EndOfFile; 1623 __le64 AllocationSize; 1624 __le32 DosAttributes; 1625 __le64 Inode; 1626 __le32 DeviceId; 1627 __le32 Zero; 1628 /* beginning of POSIX Create Context Response */ 1629 __le32 HardLinks; 1630 __le32 ReparseTag; 1631 __le32 Mode; 1632 u8 Sids[]; 1633 /* 1634 * var sized owner SID 1635 * var sized group SID 1636 * le32 filenamelength 1637 * u8 filename[] 1638 */ 1639 } __packed; 1640 1641 /* See MS-SMB2 2.2.23 through 2.2.25 */ 1642 struct smb2_oplock_break { 1643 struct smb2_hdr hdr; 1644 __le16 StructureSize; /* Must be 24 */ 1645 __u8 OplockLevel; 1646 __u8 Reserved; 1647 __le32 Reserved2; 1648 __u64 PersistentFid; 1649 __u64 VolatileFid; 1650 } __packed; 1651 1652 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01) 1653 1654 struct smb2_lease_break { 1655 struct smb2_hdr hdr; 1656 __le16 StructureSize; /* Must be 44 */ 1657 __le16 Epoch; 1658 __le32 Flags; 1659 __u8 LeaseKey[16]; 1660 __le32 CurrentLeaseState; 1661 __le32 NewLeaseState; 1662 __le32 BreakReason; 1663 __le32 AccessMaskHint; 1664 __le32 ShareMaskHint; 1665 } __packed; 1666 1667 struct smb2_lease_ack { 1668 struct smb2_hdr hdr; 1669 __le16 StructureSize; /* Must be 36 */ 1670 __le16 Reserved; 1671 __le32 Flags; 1672 __u8 LeaseKey[16]; 1673 __le32 LeaseState; 1674 __le64 LeaseDuration; 1675 } __packed; 1676 1677 #define OP_BREAK_STRUCT_SIZE_20 24 1678 #define OP_BREAK_STRUCT_SIZE_21 36 1679 1680 /* 1681 * See MS-SMB2 2.2.13.1.1 1682 * MS-SMB 2.2.1.4.1 1683 * These are the file access permission bits defined in CIFS for the 1684 * NTCreateAndX as well as the level 0x107 1685 * TRANS2_QUERY_PATH_INFORMATION API. The level 0x107, SMB_QUERY_FILE_ALL_INFO 1686 * responds with the AccessFlags. 1687 * The AccessFlags specifies the access permissions a caller has to the 1688 * file and can have any suitable combination of the following values: 1689 */ 1690 #define FILE_READ_DATA 0x00000001 /* Data can be read from the file */ 1691 /* or directory child entries can */ 1692 /* be listed together with the */ 1693 /* associated child attributes */ 1694 /* (so the FILE_READ_ATTRIBUTES on */ 1695 /* the child entry is not needed) */ 1696 #define FILE_WRITE_DATA 0x00000002 /* Data can be written to the file */ 1697 /* or new file can be created in */ 1698 /* the directory */ 1699 #define FILE_APPEND_DATA 0x00000004 /* Data can be appended to the file */ 1700 /* (for non-local files over SMB it */ 1701 /* is same as FILE_WRITE_DATA) */ 1702 /* or new subdirectory can be */ 1703 /* created in the directory */ 1704 #define FILE_READ_EA 0x00000008 /* Extended attributes associated */ 1705 /* with the file can be read */ 1706 #define FILE_WRITE_EA 0x00000010 /* Extended attributes associated */ 1707 /* with the file can be written */ 1708 #define FILE_EXECUTE 0x00000020 /*Data can be read into memory from */ 1709 /* the file using system paging I/O */ 1710 /* for executing the file / script */ 1711 /* or right to traverse directory */ 1712 /* (but by default all users have */ 1713 /* directory bypass traverse */ 1714 /* privilege and do not need this */ 1715 /* permission on directories at all)*/ 1716 #define FILE_DELETE_CHILD 0x00000040 /* Child entry can be deleted from */ 1717 /* the directory (so the DELETE on */ 1718 /* the child entry is not needed) */ 1719 #define FILE_READ_ATTRIBUTES 0x00000080 /* Attributes associated with the */ 1720 /* file or directory can be read */ 1721 #define FILE_WRITE_ATTRIBUTES 0x00000100 /* Attributes associated with the */ 1722 /* file or directory can be written */ 1723 #define DELETE 0x00010000 /* The file or dir can be deleted */ 1724 #define READ_CONTROL 0x00020000 /* The discretionary access control */ 1725 /* list and ownership associated */ 1726 /* with the file or dir can be read */ 1727 #define WRITE_DAC 0x00040000 /* The discretionary access control */ 1728 /* list associated with the file or */ 1729 /* directory can be written */ 1730 #define WRITE_OWNER 0x00080000 /* Ownership information associated */ 1731 /* with the file/dir can be written */ 1732 #define SYNCHRONIZE 0x00100000 /* The file handle can waited on to */ 1733 /* synchronize with the completion */ 1734 /* of an input/output request */ 1735 #define SYSTEM_SECURITY 0x01000000 /* The system access control list */ 1736 /* associated with the file or */ 1737 /* directory can be read or written */ 1738 /* (cannot be in DACL, can in SACL) */ 1739 #define MAXIMUM_ALLOWED 0x02000000 /* Maximal subset of GENERIC_ALL */ 1740 /* permissions which can be granted */ 1741 /* (cannot be in DACL nor SACL) */ 1742 #define GENERIC_ALL 0x10000000 /* Same as: GENERIC_EXECUTE | */ 1743 /* GENERIC_WRITE | */ 1744 /* GENERIC_READ | */ 1745 /* FILE_DELETE_CHILD | */ 1746 /* DELETE | */ 1747 /* WRITE_DAC | */ 1748 /* WRITE_OWNER */ 1749 /* So GENERIC_ALL contains all bits */ 1750 /* mentioned above except these two */ 1751 /* SYSTEM_SECURITY MAXIMUM_ALLOWED */ 1752 #define GENERIC_EXECUTE 0x20000000 /* Same as: FILE_EXECUTE | */ 1753 /* FILE_READ_ATTRIBUTES | */ 1754 /* READ_CONTROL | */ 1755 /* SYNCHRONIZE */ 1756 #define GENERIC_WRITE 0x40000000 /* Same as: FILE_WRITE_DATA | */ 1757 /* FILE_APPEND_DATA | */ 1758 /* FILE_WRITE_EA | */ 1759 /* FILE_WRITE_ATTRIBUTES | */ 1760 /* READ_CONTROL | */ 1761 /* SYNCHRONIZE */ 1762 #define GENERIC_READ 0x80000000 /* Same as: FILE_READ_DATA | */ 1763 /* FILE_READ_EA | */ 1764 /* FILE_READ_ATTRIBUTES | */ 1765 /* READ_CONTROL | */ 1766 /* SYNCHRONIZE */ 1767 1768 /* Combinations of file access permission bits */ 1769 #define FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA | FILE_READ_ATTRIBUTES) 1770 #define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ 1771 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES) 1772 #define FILE_EXEC_RIGHTS (FILE_EXECUTE) 1773 #define SET_FILE_EXEC_RIGHTS (FILE_READ_EA | FILE_WRITE_EA | FILE_EXECUTE \ 1774 | FILE_READ_ATTRIBUTES \ 1775 | FILE_WRITE_ATTRIBUTES \ 1776 | DELETE | READ_CONTROL | WRITE_DAC \ 1777 | WRITE_OWNER | SYNCHRONIZE) 1778 #define SET_MINIMUM_RIGHTS (FILE_READ_EA | FILE_READ_ATTRIBUTES \ 1779 | READ_CONTROL | SYNCHRONIZE) 1780 1781 #endif /* _COMMON_SMB2PDU_H */ 1782