1 /* SPDX-License-Identifier: LGPL-2.1 */ 2 /* 3 * 4 * Copyright (c) International Business Machines Corp., 2009, 2013 5 * Etersoft, 2012 6 * Author(s): Steve French (sfrench@us.ibm.com) 7 * Pavel Shilovsky (pshilovsky@samba.org) 2012 8 * 9 */ 10 11 #ifndef _SMB2PDU_H 12 #define _SMB2PDU_H 13 14 #include <net/sock.h> 15 #include "cifsacl.h" 16 17 /* 18 * Note that, due to trying to use names similar to the protocol specifications, 19 * there are many mixed case field names in the structures below. Although 20 * this does not match typical Linux kernel style, it is necessary to be 21 * able to match against the protocol specfication. 22 * 23 * SMB2 commands 24 * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses 25 * (ie no useful data other than the SMB error code itself) and are marked such. 26 * Knowing this helps avoid response buffer allocations and copy in some cases. 27 */ 28 29 /* List of commands in host endian */ 30 #define SMB2_NEGOTIATE_HE 0x0000 31 #define SMB2_SESSION_SETUP_HE 0x0001 32 #define SMB2_LOGOFF_HE 0x0002 /* trivial request/resp */ 33 #define SMB2_TREE_CONNECT_HE 0x0003 34 #define SMB2_TREE_DISCONNECT_HE 0x0004 /* trivial req/resp */ 35 #define SMB2_CREATE_HE 0x0005 36 #define SMB2_CLOSE_HE 0x0006 37 #define SMB2_FLUSH_HE 0x0007 /* trivial resp */ 38 #define SMB2_READ_HE 0x0008 39 #define SMB2_WRITE_HE 0x0009 40 #define SMB2_LOCK_HE 0x000A 41 #define SMB2_IOCTL_HE 0x000B 42 #define SMB2_CANCEL_HE 0x000C 43 #define SMB2_ECHO_HE 0x000D 44 #define SMB2_QUERY_DIRECTORY_HE 0x000E 45 #define SMB2_CHANGE_NOTIFY_HE 0x000F 46 #define SMB2_QUERY_INFO_HE 0x0010 47 #define SMB2_SET_INFO_HE 0x0011 48 #define SMB2_OPLOCK_BREAK_HE 0x0012 49 50 /* The same list in little endian */ 51 #define SMB2_NEGOTIATE cpu_to_le16(SMB2_NEGOTIATE_HE) 52 #define SMB2_SESSION_SETUP cpu_to_le16(SMB2_SESSION_SETUP_HE) 53 #define SMB2_LOGOFF cpu_to_le16(SMB2_LOGOFF_HE) 54 #define SMB2_TREE_CONNECT cpu_to_le16(SMB2_TREE_CONNECT_HE) 55 #define SMB2_TREE_DISCONNECT cpu_to_le16(SMB2_TREE_DISCONNECT_HE) 56 #define SMB2_CREATE cpu_to_le16(SMB2_CREATE_HE) 57 #define SMB2_CLOSE cpu_to_le16(SMB2_CLOSE_HE) 58 #define SMB2_FLUSH cpu_to_le16(SMB2_FLUSH_HE) 59 #define SMB2_READ cpu_to_le16(SMB2_READ_HE) 60 #define SMB2_WRITE cpu_to_le16(SMB2_WRITE_HE) 61 #define SMB2_LOCK cpu_to_le16(SMB2_LOCK_HE) 62 #define SMB2_IOCTL cpu_to_le16(SMB2_IOCTL_HE) 63 #define SMB2_CANCEL cpu_to_le16(SMB2_CANCEL_HE) 64 #define SMB2_ECHO cpu_to_le16(SMB2_ECHO_HE) 65 #define SMB2_QUERY_DIRECTORY cpu_to_le16(SMB2_QUERY_DIRECTORY_HE) 66 #define SMB2_CHANGE_NOTIFY cpu_to_le16(SMB2_CHANGE_NOTIFY_HE) 67 #define SMB2_QUERY_INFO cpu_to_le16(SMB2_QUERY_INFO_HE) 68 #define SMB2_SET_INFO cpu_to_le16(SMB2_SET_INFO_HE) 69 #define SMB2_OPLOCK_BREAK cpu_to_le16(SMB2_OPLOCK_BREAK_HE) 70 71 #define SMB2_INTERNAL_CMD cpu_to_le16(0xFFFF) 72 73 #define NUMBER_OF_SMB2_COMMANDS 0x0013 74 75 /* 52 transform hdr + 64 hdr + 88 create rsp */ 76 #define SMB2_TRANSFORM_HEADER_SIZE 52 77 #define MAX_SMB2_HDR_SIZE 204 78 79 #define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe) 80 #define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd) 81 #define SMB2_COMPRESSION_TRANSFORM_ID cpu_to_le32(0x424d53fc) 82 83 /* 84 * SMB2 Header Definition 85 * 86 * "MBZ" : Must be Zero 87 * "BB" : BugBug, Something to check/review/analyze later 88 * "PDU" : "Protocol Data Unit" (ie a network "frame") 89 * 90 */ 91 92 #define SMB2_HEADER_STRUCTURE_SIZE cpu_to_le16(64) 93 94 struct smb2_sync_hdr { 95 __le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */ 96 __le16 StructureSize; /* 64 */ 97 __le16 CreditCharge; /* MBZ */ 98 __le32 Status; /* Error from server */ 99 __le16 Command; 100 __le16 CreditRequest; /* CreditResponse */ 101 __le32 Flags; 102 __le32 NextCommand; 103 __le64 MessageId; 104 __le32 ProcessId; 105 __u32 TreeId; /* opaque - so do not make little endian */ 106 __u64 SessionId; /* opaque - so do not make little endian */ 107 __u8 Signature[16]; 108 } __packed; 109 110 /* The total header size for SMB2 read and write */ 111 #define SMB2_READWRITE_PDU_HEADER_SIZE (48 + sizeof(struct smb2_sync_hdr)) 112 113 struct smb2_sync_pdu { 114 struct smb2_sync_hdr sync_hdr; 115 __le16 StructureSize2; /* size of wct area (varies, request specific) */ 116 } __packed; 117 118 #define SMB3_AES_CCM_NONCE 11 119 #define SMB3_AES_GCM_NONCE 12 120 121 /* Transform flags (for 3.0 dialect this flag indicates CCM */ 122 #define TRANSFORM_FLAG_ENCRYPTED 0x0001 123 struct smb2_transform_hdr { 124 __le32 ProtocolId; /* 0xFD 'S' 'M' 'B' */ 125 __u8 Signature[16]; 126 __u8 Nonce[16]; 127 __le32 OriginalMessageSize; 128 __u16 Reserved1; 129 __le16 Flags; /* EncryptionAlgorithm for 3.0, enc enabled for 3.1.1 */ 130 __u64 SessionId; 131 } __packed; 132 133 /* See MS-SMB2 2.2.42 */ 134 struct smb2_compression_transform_hdr_unchained { 135 __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */ 136 __le32 OriginalCompressedSegmentSize; 137 __le16 CompressionAlgorithm; 138 __le16 Flags; 139 __le16 Length; /* if chained it is length, else offset */ 140 } __packed; 141 142 /* See MS-SMB2 2.2.42.1 */ 143 #define SMB2_COMPRESSION_FLAG_NONE 0x0000 144 #define SMB2_COMPRESSION_FLAG_CHAINED 0x0001 145 146 struct compression_payload_header { 147 __le16 CompressionAlgorithm; 148 __le16 Flags; 149 __le32 Length; /* length of compressed playload including field below if present */ 150 /* __le32 OriginalPayloadSize; */ /* optional, present when LZNT1, LZ77, LZ77+Huffman */ 151 } __packed; 152 153 /* See MS-SMB2 2.2.42.2 */ 154 struct smb2_compression_transform_hdr_chained { 155 __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */ 156 __le32 OriginalCompressedSegmentSize; 157 /* struct compression_payload_header[] */ 158 } __packed; 159 160 /* See MS-SMB2 2.2.42.2.2 */ 161 struct compression_pattern_payload_v1 { 162 __le16 Pattern; 163 __le16 Reserved1; 164 __le16 Reserved2; 165 __le32 Repetitions; 166 } __packed; 167 168 /* See MS-SMB2 2.2.43 */ 169 struct smb2_rdma_transform { 170 __le16 RdmaDescriptorOffset; 171 __le16 RdmaDescriptorLength; 172 __le32 Channel; /* for values see channel description in smb2 read above */ 173 __le16 TransformCount; 174 __le16 Reserved1; 175 __le32 Reserved2; 176 } __packed; 177 178 /* TransformType */ 179 #define SMB2_RDMA_TRANSFORM_TYPE_ENCRYPTION 0x0001 180 #define SMB2_RDMA_TRANSFORM_TYPE_SIGNING 0x0002 181 182 struct smb2_rdma_crypto_transform { 183 __le16 TransformType; 184 __le16 SignatureLength; 185 __le16 NonceLength; 186 __u16 Reserved; 187 __u8 Signature[]; /* variable length */ 188 /* u8 Nonce[] */ 189 /* followed by padding */ 190 } __packed; 191 192 /* 193 * SMB2 flag definitions 194 */ 195 #define SMB2_FLAGS_SERVER_TO_REDIR cpu_to_le32(0x00000001) 196 #define SMB2_FLAGS_ASYNC_COMMAND cpu_to_le32(0x00000002) 197 #define SMB2_FLAGS_RELATED_OPERATIONS cpu_to_le32(0x00000004) 198 #define SMB2_FLAGS_SIGNED cpu_to_le32(0x00000008) 199 #define SMB2_FLAGS_PRIORITY_MASK cpu_to_le32(0x00000070) /* SMB3.1.1 */ 200 #define SMB2_FLAGS_DFS_OPERATIONS cpu_to_le32(0x10000000) 201 #define SMB2_FLAGS_REPLAY_OPERATION cpu_to_le32(0x20000000) /* SMB3 & up */ 202 203 /* 204 * Definitions for SMB2 Protocol Data Units (network frames) 205 * 206 * See MS-SMB2.PDF specification for protocol details. 207 * The Naming convention is the lower case version of the SMB2 208 * command code name for the struct. Note that structures must be packed. 209 * 210 */ 211 212 #define COMPOUND_FID 0xFFFFFFFFFFFFFFFFULL 213 214 #define SMB2_ERROR_STRUCTURE_SIZE2 cpu_to_le16(9) 215 216 struct smb2_err_rsp { 217 struct smb2_sync_hdr sync_hdr; 218 __le16 StructureSize; 219 __le16 Reserved; /* MBZ */ 220 __le32 ByteCount; /* even if zero, at least one byte follows */ 221 __u8 ErrorData[]; /* variable length */ 222 } __packed; 223 224 #define SYMLINK_ERROR_TAG 0x4c4d5953 225 226 struct smb2_symlink_err_rsp { 227 __le32 SymLinkLength; 228 __le32 SymLinkErrorTag; 229 __le32 ReparseTag; 230 __le16 ReparseDataLength; 231 __le16 UnparsedPathLength; 232 __le16 SubstituteNameOffset; 233 __le16 SubstituteNameLength; 234 __le16 PrintNameOffset; 235 __le16 PrintNameLength; 236 __le32 Flags; 237 __u8 PathBuffer[]; 238 } __packed; 239 240 /* SMB 3.1.1 and later dialects. See MS-SMB2 section 2.2.2.1 */ 241 struct smb2_error_context_rsp { 242 __le32 ErrorDataLength; 243 __le32 ErrorId; 244 __u8 ErrorContextData; /* ErrorDataLength long array */ 245 } __packed; 246 247 /* ErrorId values */ 248 #define SMB2_ERROR_ID_DEFAULT 0x00000000 249 #define SMB2_ERROR_ID_SHARE_REDIRECT cpu_to_le32(0x72645253) /* "rdRS" */ 250 251 /* Defines for Type field below (see MS-SMB2 2.2.2.2.2.1) */ 252 #define MOVE_DST_IPADDR_V4 cpu_to_le32(0x00000001) 253 #define MOVE_DST_IPADDR_V6 cpu_to_le32(0x00000002) 254 255 struct move_dst_ipaddr { 256 __le32 Type; 257 __u32 Reserved; 258 __u8 address[16]; /* IPv4 followed by 12 bytes rsvd or IPv6 address */ 259 } __packed; 260 261 struct share_redirect_error_context_rsp { 262 __le32 StructureSize; 263 __le32 NotificationType; 264 __le32 ResourceNameOffset; 265 __le32 ResourceNameLength; 266 __le16 Reserved; 267 __le16 TargetType; 268 __le32 IPAddrCount; 269 struct move_dst_ipaddr IpAddrMoveList[]; 270 /* __u8 ResourceName[] */ /* Name of share as counted Unicode string */ 271 } __packed; 272 273 #define SMB2_CLIENT_GUID_SIZE 16 274 275 struct smb2_negotiate_req { 276 struct smb2_sync_hdr sync_hdr; 277 __le16 StructureSize; /* Must be 36 */ 278 __le16 DialectCount; 279 __le16 SecurityMode; 280 __le16 Reserved; /* MBZ */ 281 __le32 Capabilities; 282 __u8 ClientGUID[SMB2_CLIENT_GUID_SIZE]; 283 /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */ 284 __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */ 285 __le16 NegotiateContextCount; /* SMB3.1.1 only. MBZ earlier */ 286 __le16 Reserved2; 287 __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */ 288 } __packed; 289 290 /* Dialects */ 291 #define SMB10_PROT_ID 0x0000 /* local only, not sent on wire w/CIFS negprot */ 292 #define SMB20_PROT_ID 0x0202 293 #define SMB21_PROT_ID 0x0210 294 #define SMB30_PROT_ID 0x0300 295 #define SMB302_PROT_ID 0x0302 296 #define SMB311_PROT_ID 0x0311 297 #define BAD_PROT_ID 0xFFFF 298 299 /* SecurityMode flags */ 300 #define SMB2_NEGOTIATE_SIGNING_ENABLED 0x0001 301 #define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002 302 #define SMB2_SEC_MODE_FLAGS_ALL 0x0003 303 304 /* Capabilities flags */ 305 #define SMB2_GLOBAL_CAP_DFS 0x00000001 306 #define SMB2_GLOBAL_CAP_LEASING 0x00000002 /* Resp only New to SMB2.1 */ 307 #define SMB2_GLOBAL_CAP_LARGE_MTU 0X00000004 /* Resp only New to SMB2.1 */ 308 #define SMB2_GLOBAL_CAP_MULTI_CHANNEL 0x00000008 /* New to SMB3 */ 309 #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */ 310 #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING 0x00000020 /* New to SMB3 */ 311 #define SMB2_GLOBAL_CAP_ENCRYPTION 0x00000040 /* New to SMB3 */ 312 /* Internal types */ 313 #define SMB2_NT_FIND 0x00100000 314 #define SMB2_LARGE_FILES 0x00200000 315 316 317 /* Negotiate Contexts - ContextTypes. See MS-SMB2 section 2.2.3.1 for details */ 318 #define SMB2_PREAUTH_INTEGRITY_CAPABILITIES cpu_to_le16(1) 319 #define SMB2_ENCRYPTION_CAPABILITIES cpu_to_le16(2) 320 #define SMB2_COMPRESSION_CAPABILITIES cpu_to_le16(3) 321 #define SMB2_NETNAME_NEGOTIATE_CONTEXT_ID cpu_to_le16(5) 322 #define SMB2_TRANSPORT_CAPABILITIES cpu_to_le16(6) 323 #define SMB2_RDMA_TRANSFORM_CAPABILITIES cpu_to_le16(7) 324 #define SMB2_SIGNING_CAPABILITIES cpu_to_le16(8) 325 #define SMB2_POSIX_EXTENSIONS_AVAILABLE cpu_to_le16(0x100) 326 327 struct smb2_neg_context { 328 __le16 ContextType; 329 __le16 DataLength; 330 __le32 Reserved; 331 /* Followed by array of data. NOTE: some servers require padding to 8 byte boundary */ 332 } __packed; 333 334 #define SMB311_LINUX_CLIENT_SALT_SIZE 32 335 /* Hash Algorithm Types */ 336 #define SMB2_PREAUTH_INTEGRITY_SHA512 cpu_to_le16(0x0001) 337 #define SMB2_PREAUTH_HASH_SIZE 64 338 339 /* 340 * SaltLength that the server send can be zero, so the only three required 341 * fields (all __le16) end up six bytes total, so the minimum context data len 342 * in the response is six bytes which accounts for 343 * 344 * HashAlgorithmCount, SaltLength, and 1 HashAlgorithm. 345 */ 346 #define MIN_PREAUTH_CTXT_DATA_LEN 6 347 348 struct smb2_preauth_neg_context { 349 __le16 ContextType; /* 1 */ 350 __le16 DataLength; 351 __le32 Reserved; 352 __le16 HashAlgorithmCount; /* 1 */ 353 __le16 SaltLength; 354 __le16 HashAlgorithms; /* HashAlgorithms[0] since only one defined */ 355 __u8 Salt[SMB311_LINUX_CLIENT_SALT_SIZE]; 356 } __packed; 357 358 /* Encryption Algorithms Ciphers */ 359 #define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001) 360 #define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002) 361 /* we currently do not request AES256_CCM since presumably GCM faster */ 362 #define SMB2_ENCRYPTION_AES256_CCM cpu_to_le16(0x0003) 363 #define SMB2_ENCRYPTION_AES256_GCM cpu_to_le16(0x0004) 364 365 /* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */ 366 #define MIN_ENCRYPT_CTXT_DATA_LEN 4 367 struct smb2_encryption_neg_context { 368 __le16 ContextType; /* 2 */ 369 __le16 DataLength; 370 __le32 Reserved; 371 /* CipherCount usally 2, but can be 3 when AES256-GCM enabled */ 372 __le16 CipherCount; /* AES128-GCM and AES128-CCM by default */ 373 __le16 Ciphers[3]; 374 } __packed; 375 376 /* See MS-SMB2 2.2.3.1.3 */ 377 #define SMB3_COMPRESS_NONE cpu_to_le16(0x0000) 378 #define SMB3_COMPRESS_LZNT1 cpu_to_le16(0x0001) 379 #define SMB3_COMPRESS_LZ77 cpu_to_le16(0x0002) 380 #define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003) 381 /* Pattern scanning algorithm See MS-SMB2 3.1.4.4.1 */ 382 #define SMB3_COMPRESS_PATTERN cpu_to_le16(0x0004) /* Pattern_V1 */ 383 384 /* Compression Flags */ 385 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_NONE cpu_to_le32(0x00000000) 386 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_CHAINED cpu_to_le32(0x00000001) 387 388 struct smb2_compression_capabilities_context { 389 __le16 ContextType; /* 3 */ 390 __le16 DataLength; 391 __u32 Reserved; 392 __le16 CompressionAlgorithmCount; 393 __u16 Padding; 394 __u32 Flags; 395 __le16 CompressionAlgorithms[3]; 396 __u16 Pad; /* Some servers require pad to DataLen multiple of 8 */ 397 /* Check if pad needed */ 398 } __packed; 399 400 /* 401 * For smb2_netname_negotiate_context_id See MS-SMB2 2.2.3.1.4. 402 * Its struct simply contains NetName, an array of Unicode characters 403 */ 404 struct smb2_netname_neg_context { 405 __le16 ContextType; /* 5 */ 406 __le16 DataLength; 407 __le32 Reserved; 408 __le16 NetName[]; /* hostname of target converted to UCS-2 */ 409 } __packed; 410 411 /* 412 * For smb2_transport_capabilities context see MS-SMB2 2.2.3.1.5 413 * and 2.2.4.1.5 414 */ 415 416 /* Flags */ 417 #define SMB2_ACCEPT_TRANSFORM_LEVEL_SECURITY 0x00000001 418 419 struct smb2_transport_capabilities_context { 420 __le16 ContextType; /* 6 */ 421 __le16 DataLength; 422 __u32 Reserved; 423 __le32 Flags; 424 __u32 Pad; 425 } __packed; 426 427 /* 428 * For rdma transform capabilities context see MS-SMB2 2.2.3.1.6 429 * and 2.2.4.1.6 430 */ 431 432 /* RDMA Transform IDs */ 433 #define SMB2_RDMA_TRANSFORM_NONE 0x0000 434 #define SMB2_RDMA_TRANSFORM_ENCRYPTION 0x0001 435 #define SMB2_RDMA_TRANSFORM_SIGNING 0x0002 436 437 struct smb2_rdma_transform_capabilities_context { 438 __le16 ContextType; /* 7 */ 439 __le16 DataLength; 440 __u32 Reserved; 441 __le16 TransformCount; 442 __u16 Reserved1; 443 __u32 Reserved2; 444 __le16 RDMATransformIds[]; 445 } __packed; 446 447 /* 448 * For signing capabilities context see MS-SMB2 2.2.3.1.7 449 * and 2.2.4.1.7 450 */ 451 452 /* Signing algorithms */ 453 #define SIGNING_ALG_HMAC_SHA256 0 454 #define SIGNING_ALG_AES_CMAC 1 455 #define SIGNING_ALG_AES_GMAC 2 456 457 struct smb2_signing_capabilities { 458 __le16 ContextType; /* 8 */ 459 __le16 DataLength; 460 __u32 Reserved; 461 __le16 SigningAlgorithmCount; 462 __le16 SigningAlgorithms[]; 463 /* Followed by padding to 8 byte boundary (required by some servers) */ 464 } __packed; 465 466 #define POSIX_CTXT_DATA_LEN 16 467 struct smb2_posix_neg_context { 468 __le16 ContextType; /* 0x100 */ 469 __le16 DataLength; 470 __le32 Reserved; 471 __u8 Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */ 472 } __packed; 473 474 struct smb2_negotiate_rsp { 475 struct smb2_sync_hdr sync_hdr; 476 __le16 StructureSize; /* Must be 65 */ 477 __le16 SecurityMode; 478 __le16 DialectRevision; 479 __le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */ 480 __u8 ServerGUID[16]; 481 __le32 Capabilities; 482 __le32 MaxTransactSize; 483 __le32 MaxReadSize; 484 __le32 MaxWriteSize; 485 __le64 SystemTime; /* MBZ */ 486 __le64 ServerStartTime; 487 __le16 SecurityBufferOffset; 488 __le16 SecurityBufferLength; 489 __le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */ 490 __u8 Buffer[]; /* variable length GSS security buffer */ 491 } __packed; 492 493 /* Flags */ 494 #define SMB2_SESSION_REQ_FLAG_BINDING 0x01 495 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04 496 497 struct smb2_sess_setup_req { 498 struct smb2_sync_hdr sync_hdr; 499 __le16 StructureSize; /* Must be 25 */ 500 __u8 Flags; 501 __u8 SecurityMode; 502 __le32 Capabilities; 503 __le32 Channel; 504 __le16 SecurityBufferOffset; 505 __le16 SecurityBufferLength; 506 __u64 PreviousSessionId; 507 __u8 Buffer[]; /* variable length GSS security buffer */ 508 } __packed; 509 510 /* Currently defined SessionFlags */ 511 #define SMB2_SESSION_FLAG_IS_GUEST 0x0001 512 #define SMB2_SESSION_FLAG_IS_NULL 0x0002 513 #define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004 514 struct smb2_sess_setup_rsp { 515 struct smb2_sync_hdr sync_hdr; 516 __le16 StructureSize; /* Must be 9 */ 517 __le16 SessionFlags; 518 __le16 SecurityBufferOffset; 519 __le16 SecurityBufferLength; 520 __u8 Buffer[]; /* variable length GSS security buffer */ 521 } __packed; 522 523 struct smb2_logoff_req { 524 struct smb2_sync_hdr sync_hdr; 525 __le16 StructureSize; /* Must be 4 */ 526 __le16 Reserved; 527 } __packed; 528 529 struct smb2_logoff_rsp { 530 struct smb2_sync_hdr sync_hdr; 531 __le16 StructureSize; /* Must be 4 */ 532 __le16 Reserved; 533 } __packed; 534 535 /* Flags/Reserved for SMB3.1.1 */ 536 #define SMB2_TREE_CONNECT_FLAG_CLUSTER_RECONNECT cpu_to_le16(0x0001) 537 #define SMB2_TREE_CONNECT_FLAG_REDIRECT_TO_OWNER cpu_to_le16(0x0002) 538 #define SMB2_TREE_CONNECT_FLAG_EXTENSION_PRESENT cpu_to_le16(0x0004) 539 540 struct smb2_tree_connect_req { 541 struct smb2_sync_hdr sync_hdr; 542 __le16 StructureSize; /* Must be 9 */ 543 __le16 Flags; /* Reserved MBZ for dialects prior to SMB3.1.1 */ 544 __le16 PathOffset; 545 __le16 PathLength; 546 __u8 Buffer[]; /* variable length */ 547 } __packed; 548 549 /* See MS-SMB2 section 2.2.9.2 */ 550 /* Context Types */ 551 #define SMB2_RESERVED_TREE_CONNECT_CONTEXT_ID 0x0000 552 #define SMB2_REMOTED_IDENTITY_TREE_CONNECT_CONTEXT_ID cpu_to_le16(0x0001) 553 554 struct tree_connect_contexts { 555 __le16 ContextType; 556 __le16 DataLength; 557 __le32 Reserved; 558 __u8 Data[]; 559 } __packed; 560 561 /* Remoted identity tree connect context structures - see MS-SMB2 2.2.9.2.1 */ 562 struct smb3_blob_data { 563 __le16 BlobSize; 564 __u8 BlobData[]; 565 } __packed; 566 567 /* Valid values for Attr */ 568 #define SE_GROUP_MANDATORY 0x00000001 569 #define SE_GROUP_ENABLED_BY_DEFAULT 0x00000002 570 #define SE_GROUP_ENABLED 0x00000004 571 #define SE_GROUP_OWNER 0x00000008 572 #define SE_GROUP_USE_FOR_DENY_ONLY 0x00000010 573 #define SE_GROUP_INTEGRITY 0x00000020 574 #define SE_GROUP_INTEGRITY_ENABLED 0x00000040 575 #define SE_GROUP_RESOURCE 0x20000000 576 #define SE_GROUP_LOGON_ID 0xC0000000 577 578 /* struct sid_attr_data is SidData array in BlobData format then le32 Attr */ 579 580 struct sid_array_data { 581 __le16 SidAttrCount; 582 /* SidAttrList - array of sid_attr_data structs */ 583 } __packed; 584 585 struct luid_attr_data { 586 587 } __packed; 588 589 /* 590 * struct privilege_data is the same as BLOB_DATA - see MS-SMB2 2.2.9.2.1.5 591 * but with size of LUID_ATTR_DATA struct and BlobData set to LUID_ATTR DATA 592 */ 593 594 struct privilege_array_data { 595 __le16 PrivilegeCount; 596 /* array of privilege_data structs */ 597 } __packed; 598 599 struct remoted_identity_tcon_context { 600 __le16 TicketType; /* must be 0x0001 */ 601 __le16 TicketSize; /* total size of this struct */ 602 __le16 User; /* offset to SID_ATTR_DATA struct with user info */ 603 __le16 UserName; /* offset to null terminated Unicode username string */ 604 __le16 Domain; /* offset to null terminated Unicode domain name */ 605 __le16 Groups; /* offset to SID_ARRAY_DATA struct with group info */ 606 __le16 RestrictedGroups; /* similar to above */ 607 __le16 Privileges; /* offset to PRIVILEGE_ARRAY_DATA struct */ 608 __le16 PrimaryGroup; /* offset to SID_ARRAY_DATA struct */ 609 __le16 Owner; /* offset to BLOB_DATA struct */ 610 __le16 DefaultDacl; /* offset to BLOB_DATA struct */ 611 __le16 DeviceGroups; /* offset to SID_ARRAY_DATA struct */ 612 __le16 UserClaims; /* offset to BLOB_DATA struct */ 613 __le16 DeviceClaims; /* offset to BLOB_DATA struct */ 614 __u8 TicketInfo[]; /* variable length buf - remoted identity data */ 615 } __packed; 616 617 struct smb2_tree_connect_req_extension { 618 __le32 TreeConnectContextOffset; 619 __le16 TreeConnectContextCount; 620 __u8 Reserved[10]; 621 __u8 PathName[]; /* variable sized array */ 622 /* followed by array of TreeConnectContexts */ 623 } __packed; 624 625 struct smb2_tree_connect_rsp { 626 struct smb2_sync_hdr sync_hdr; 627 __le16 StructureSize; /* Must be 16 */ 628 __u8 ShareType; /* see below */ 629 __u8 Reserved; 630 __le32 ShareFlags; /* see below */ 631 __le32 Capabilities; /* see below */ 632 __le32 MaximalAccess; 633 } __packed; 634 635 /* Possible ShareType values */ 636 #define SMB2_SHARE_TYPE_DISK 0x01 637 #define SMB2_SHARE_TYPE_PIPE 0x02 638 #define SMB2_SHARE_TYPE_PRINT 0x03 639 640 /* 641 * Possible ShareFlags - exactly one and only one of the first 4 caching flags 642 * must be set (any of the remaining, SHI1005, flags may be set individually 643 * or in combination. 644 */ 645 #define SMB2_SHAREFLAG_MANUAL_CACHING 0x00000000 646 #define SMB2_SHAREFLAG_AUTO_CACHING 0x00000010 647 #define SMB2_SHAREFLAG_VDO_CACHING 0x00000020 648 #define SMB2_SHAREFLAG_NO_CACHING 0x00000030 649 #define SHI1005_FLAGS_DFS 0x00000001 650 #define SHI1005_FLAGS_DFS_ROOT 0x00000002 651 #define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS 0x00000100 652 #define SHI1005_FLAGS_FORCE_SHARED_DELETE 0x00000200 653 #define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING 0x00000400 654 #define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM 0x00000800 655 #define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK 0x00001000 656 #define SHI1005_FLAGS_ENABLE_HASH_V1 0x00002000 657 #define SHI1005_FLAGS_ENABLE_HASH_V2 0x00004000 658 #define SHI1005_FLAGS_ENCRYPT_DATA 0x00008000 659 #define SMB2_SHAREFLAG_IDENTITY_REMOTING 0x00040000 /* 3.1.1 */ 660 #define SMB2_SHAREFLAG_COMPRESS_DATA 0x00100000 /* 3.1.1 */ 661 #define SHI1005_FLAGS_ALL 0x0014FF33 662 663 /* Possible share capabilities */ 664 #define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) /* all dialects */ 665 #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */ 666 #define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */ 667 #define SMB2_SHARE_CAP_CLUSTER cpu_to_le32(0x00000040) /* 3.0 */ 668 #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */ 669 #define SMB2_SHARE_CAP_REDIRECT_TO_OWNER cpu_to_le32(0x00000100) /* 3.1.1 */ 670 671 struct smb2_tree_disconnect_req { 672 struct smb2_sync_hdr sync_hdr; 673 __le16 StructureSize; /* Must be 4 */ 674 __le16 Reserved; 675 } __packed; 676 677 struct smb2_tree_disconnect_rsp { 678 struct smb2_sync_hdr sync_hdr; 679 __le16 StructureSize; /* Must be 4 */ 680 __le16 Reserved; 681 } __packed; 682 683 /* File Attrubutes */ 684 #define FILE_ATTRIBUTE_READONLY 0x00000001 685 #define FILE_ATTRIBUTE_HIDDEN 0x00000002 686 #define FILE_ATTRIBUTE_SYSTEM 0x00000004 687 #define FILE_ATTRIBUTE_DIRECTORY 0x00000010 688 #define FILE_ATTRIBUTE_ARCHIVE 0x00000020 689 #define FILE_ATTRIBUTE_NORMAL 0x00000080 690 #define FILE_ATTRIBUTE_TEMPORARY 0x00000100 691 #define FILE_ATTRIBUTE_SPARSE_FILE 0x00000200 692 #define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400 693 #define FILE_ATTRIBUTE_COMPRESSED 0x00000800 694 #define FILE_ATTRIBUTE_OFFLINE 0x00001000 695 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x00002000 696 #define FILE_ATTRIBUTE_ENCRYPTED 0x00004000 697 #define FILE_ATTRIBUTE_INTEGRITY_STREAM 0x00008000 698 #define FILE_ATTRIBUTE_NO_SCRUB_DATA 0x00020000 699 700 /* Oplock levels */ 701 #define SMB2_OPLOCK_LEVEL_NONE 0x00 702 #define SMB2_OPLOCK_LEVEL_II 0x01 703 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08 704 #define SMB2_OPLOCK_LEVEL_BATCH 0x09 705 #define SMB2_OPLOCK_LEVEL_LEASE 0xFF 706 /* Non-spec internal type */ 707 #define SMB2_OPLOCK_LEVEL_NOCHANGE 0x99 708 709 /* Desired Access Flags */ 710 #define FILE_READ_DATA_LE cpu_to_le32(0x00000001) 711 #define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002) 712 #define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004) 713 #define FILE_READ_EA_LE cpu_to_le32(0x00000008) 714 #define FILE_WRITE_EA_LE cpu_to_le32(0x00000010) 715 #define FILE_EXECUTE_LE cpu_to_le32(0x00000020) 716 #define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080) 717 #define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100) 718 #define FILE_DELETE_LE cpu_to_le32(0x00010000) 719 #define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000) 720 #define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000) 721 #define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000) 722 #define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000) 723 #define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000) 724 #define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000) 725 #define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000) 726 #define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000) 727 #define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000) 728 #define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000) 729 730 /* ShareAccess Flags */ 731 #define FILE_SHARE_READ_LE cpu_to_le32(0x00000001) 732 #define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002) 733 #define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004) 734 #define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007) 735 736 /* CreateDisposition Flags */ 737 #define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000) 738 #define FILE_OPEN_LE cpu_to_le32(0x00000001) 739 #define FILE_CREATE_LE cpu_to_le32(0x00000002) 740 #define FILE_OPEN_IF_LE cpu_to_le32(0x00000003) 741 #define FILE_OVERWRITE_LE cpu_to_le32(0x00000004) 742 #define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005) 743 744 /* CreateOptions Flags */ 745 #define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001) 746 /* same as #define CREATE_NOT_FILE_LE cpu_to_le32(0x00000001) */ 747 #define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002) 748 #define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004) 749 #define FILE_NO_INTERMEDIATE_BUFFERRING_LE cpu_to_le32(0x00000008) 750 #define FILE_SYNCHRONOUS_IO_ALERT_LE cpu_to_le32(0x00000010) 751 #define FILE_SYNCHRONOUS_IO_NON_ALERT_LE cpu_to_le32(0x00000020) 752 #define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040) 753 #define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100) 754 #define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200) 755 #define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800) 756 #define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000) 757 #define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000) 758 #define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000) 759 #define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000) 760 #define FILE_RESERVE_OPFILTER_LE cpu_to_le32(0x00100000) 761 #define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000) 762 #define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000) 763 #define FILE_OPEN_FOR_FREE_SPACE_QUERY_LE cpu_to_le32(0x00800000) 764 765 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \ 766 | FILE_READ_ATTRIBUTES_LE) 767 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \ 768 | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE) 769 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE) 770 771 /* Impersonation Levels. See MS-WPO section 9.7 and MSDN-IMPERS */ 772 #define IL_ANONYMOUS cpu_to_le32(0x00000000) 773 #define IL_IDENTIFICATION cpu_to_le32(0x00000001) 774 #define IL_IMPERSONATION cpu_to_le32(0x00000002) 775 #define IL_DELEGATE cpu_to_le32(0x00000003) 776 777 /* Create Context Values */ 778 #define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */ 779 #define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */ 780 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ" 781 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC" 782 #define SMB2_CREATE_ALLOCATION_SIZE "AlSi" 783 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc" 784 #define SMB2_CREATE_TIMEWARP_REQUEST "TWrp" 785 #define SMB2_CREATE_QUERY_ON_DISK_ID "QFid" 786 #define SMB2_CREATE_REQUEST_LEASE "RqLs" 787 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q" 788 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C" 789 #define SMB2_CREATE_APP_INSTANCE_ID 0x45BCA66AEFA7F74A9008FA462E144D74 790 #define SMB2_CREATE_APP_INSTANCE_VERSION 0xB982D0B73B56074FA07B524A8116A010 791 #define SVHDX_OPEN_DEVICE_CONTEX 0x9CCBCF9E04C1E643980E158DA1F6EC83 792 #define SMB2_CREATE_TAG_POSIX 0x93AD25509CB411E7B42383DE968BCD7C 793 794 /* Flag (SMB3 open response) values */ 795 #define SMB2_CREATE_FLAG_REPARSEPOINT 0x01 796 797 /* 798 * Maximum number of iovs we need for an open/create request. 799 * [0] : struct smb2_create_req 800 * [1] : path 801 * [2] : lease context 802 * [3] : durable context 803 * [4] : posix context 804 * [5] : time warp context 805 * [6] : query id context 806 * [7] : compound padding 807 */ 808 #define SMB2_CREATE_IOV_SIZE 8 809 810 struct smb2_create_req { 811 struct smb2_sync_hdr sync_hdr; 812 __le16 StructureSize; /* Must be 57 */ 813 __u8 SecurityFlags; 814 __u8 RequestedOplockLevel; 815 __le32 ImpersonationLevel; 816 __le64 SmbCreateFlags; 817 __le64 Reserved; 818 __le32 DesiredAccess; 819 __le32 FileAttributes; 820 __le32 ShareAccess; 821 __le32 CreateDisposition; 822 __le32 CreateOptions; 823 __le16 NameOffset; 824 __le16 NameLength; 825 __le32 CreateContextsOffset; 826 __le32 CreateContextsLength; 827 __u8 Buffer[]; 828 } __packed; 829 830 /* 831 * Maximum size of a SMB2_CREATE response is 64 (smb2 header) + 832 * 88 (fixed part of create response) + 520 (path) + 208 (contexts) + 833 * 2 bytes of padding. 834 */ 835 #define MAX_SMB2_CREATE_RESPONSE_SIZE 880 836 837 struct smb2_create_rsp { 838 struct smb2_sync_hdr sync_hdr; 839 __le16 StructureSize; /* Must be 89 */ 840 __u8 OplockLevel; 841 __u8 Flag; /* 0x01 if reparse point */ 842 __le32 CreateAction; 843 __le64 CreationTime; 844 __le64 LastAccessTime; 845 __le64 LastWriteTime; 846 __le64 ChangeTime; 847 __le64 AllocationSize; 848 __le64 EndofFile; 849 __le32 FileAttributes; 850 __le32 Reserved2; 851 __u64 PersistentFileId; /* opaque endianness */ 852 __u64 VolatileFileId; /* opaque endianness */ 853 __le32 CreateContextsOffset; 854 __le32 CreateContextsLength; 855 __u8 Buffer[]; 856 } __packed; 857 858 struct create_context { 859 __le32 Next; 860 __le16 NameOffset; 861 __le16 NameLength; 862 __le16 Reserved; 863 __le16 DataOffset; 864 __le32 DataLength; 865 __u8 Buffer[]; 866 } __packed; 867 868 #define SMB2_LEASE_READ_CACHING_HE 0x01 869 #define SMB2_LEASE_HANDLE_CACHING_HE 0x02 870 #define SMB2_LEASE_WRITE_CACHING_HE 0x04 871 872 #define SMB2_LEASE_NONE cpu_to_le32(0x00) 873 #define SMB2_LEASE_READ_CACHING cpu_to_le32(0x01) 874 #define SMB2_LEASE_HANDLE_CACHING cpu_to_le32(0x02) 875 #define SMB2_LEASE_WRITE_CACHING cpu_to_le32(0x04) 876 877 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS cpu_to_le32(0x00000002) 878 #define SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET cpu_to_le32(0x00000004) 879 880 #define SMB2_LEASE_KEY_SIZE 16 881 882 struct lease_context { 883 u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 884 __le32 LeaseState; 885 __le32 LeaseFlags; 886 __le64 LeaseDuration; 887 } __packed; 888 889 struct lease_context_v2 { 890 u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 891 __le32 LeaseState; 892 __le32 LeaseFlags; 893 __le64 LeaseDuration; 894 __le64 ParentLeaseKeyLow; 895 __le64 ParentLeaseKeyHigh; 896 __le16 Epoch; 897 __le16 Reserved; 898 } __packed; 899 900 struct create_lease { 901 struct create_context ccontext; 902 __u8 Name[8]; 903 struct lease_context lcontext; 904 } __packed; 905 906 struct create_lease_v2 { 907 struct create_context ccontext; 908 __u8 Name[8]; 909 struct lease_context_v2 lcontext; 910 __u8 Pad[4]; 911 } __packed; 912 913 struct create_durable { 914 struct create_context ccontext; 915 __u8 Name[8]; 916 union { 917 __u8 Reserved[16]; 918 struct { 919 __u64 PersistentFileId; 920 __u64 VolatileFileId; 921 } Fid; 922 } Data; 923 } __packed; 924 925 struct create_posix { 926 struct create_context ccontext; 927 __u8 Name[16]; 928 __le32 Mode; 929 __u32 Reserved; 930 } __packed; 931 932 /* See MS-SMB2 2.2.13.2.11 */ 933 /* Flags */ 934 #define SMB2_DHANDLE_FLAG_PERSISTENT 0x00000002 935 struct durable_context_v2 { 936 __le32 Timeout; 937 __le32 Flags; 938 __u64 Reserved; 939 __u8 CreateGuid[16]; 940 } __packed; 941 942 struct create_durable_v2 { 943 struct create_context ccontext; 944 __u8 Name[8]; 945 struct durable_context_v2 dcontext; 946 } __packed; 947 948 /* See MS-SMB2 2.2.13.2.12 */ 949 struct durable_reconnect_context_v2 { 950 struct { 951 __u64 PersistentFileId; 952 __u64 VolatileFileId; 953 } Fid; 954 __u8 CreateGuid[16]; 955 __le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */ 956 } __packed; 957 958 /* See MS-SMB2 2.2.14.2.9 */ 959 struct create_on_disk_id { 960 struct create_context ccontext; 961 __u8 Name[8]; 962 __le64 DiskFileId; 963 __le64 VolumeId; 964 __u32 Reserved[4]; 965 } __packed; 966 967 /* See MS-SMB2 2.2.14.2.12 */ 968 struct durable_reconnect_context_v2_rsp { 969 __le32 Timeout; 970 __le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */ 971 } __packed; 972 973 struct create_durable_handle_reconnect_v2 { 974 struct create_context ccontext; 975 __u8 Name[8]; 976 struct durable_reconnect_context_v2 dcontext; 977 __u8 Pad[4]; 978 } __packed; 979 980 /* See MS-SMB2 2.2.13.2.5 */ 981 struct crt_twarp_ctxt { 982 struct create_context ccontext; 983 __u8 Name[8]; 984 __le64 Timestamp; 985 986 } __packed; 987 988 /* See MS-SMB2 2.2.13.2.9 */ 989 struct crt_query_id_ctxt { 990 struct create_context ccontext; 991 __u8 Name[8]; 992 } __packed; 993 994 struct crt_sd_ctxt { 995 struct create_context ccontext; 996 __u8 Name[8]; 997 struct smb3_sd sd; 998 } __packed; 999 1000 1001 #define COPY_CHUNK_RES_KEY_SIZE 24 1002 struct resume_key_req { 1003 char ResumeKey[COPY_CHUNK_RES_KEY_SIZE]; 1004 __le32 ContextLength; /* MBZ */ 1005 char Context[]; /* ignored, Windows sets to 4 bytes of zero */ 1006 } __packed; 1007 1008 /* this goes in the ioctl buffer when doing a copychunk request */ 1009 struct copychunk_ioctl { 1010 char SourceKey[COPY_CHUNK_RES_KEY_SIZE]; 1011 __le32 ChunkCount; /* we are only sending 1 */ 1012 __le32 Reserved; 1013 /* array will only be one chunk long for us */ 1014 __le64 SourceOffset; 1015 __le64 TargetOffset; 1016 __le32 Length; /* how many bytes to copy */ 1017 __u32 Reserved2; 1018 } __packed; 1019 1020 /* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */ 1021 struct file_zero_data_information { 1022 __le64 FileOffset; 1023 __le64 BeyondFinalZero; 1024 } __packed; 1025 1026 struct copychunk_ioctl_rsp { 1027 __le32 ChunksWritten; 1028 __le32 ChunkBytesWritten; 1029 __le32 TotalBytesWritten; 1030 } __packed; 1031 1032 /* See MS-FSCC 2.3.29 and 2.3.30 */ 1033 struct get_retrieval_pointer_count_req { 1034 __le64 StartingVcn; /* virtual cluster number (signed) */ 1035 } __packed; 1036 1037 struct get_retrieval_pointer_count_rsp { 1038 __le32 ExtentCount; 1039 } __packed; 1040 1041 /* 1042 * See MS-FSCC 2.3.33 and 2.3.34 1043 * request is the same as get_retrieval_point_count_req struct above 1044 */ 1045 struct smb3_extents { 1046 __le64 NextVcn; 1047 __le64 Lcn; /* logical cluster number */ 1048 } __packed; 1049 1050 struct get_retrieval_pointers_refcount_rsp { 1051 __le32 ExtentCount; 1052 __u32 Reserved; 1053 __le64 StartingVcn; 1054 struct smb3_extents extents[]; 1055 } __packed; 1056 1057 struct fsctl_set_integrity_information_req { 1058 __le16 ChecksumAlgorithm; 1059 __le16 Reserved; 1060 __le32 Flags; 1061 } __packed; 1062 1063 struct fsctl_get_integrity_information_rsp { 1064 __le16 ChecksumAlgorithm; 1065 __le16 Reserved; 1066 __le32 Flags; 1067 __le32 ChecksumChunkSizeInBytes; 1068 __le32 ClusterSizeInBytes; 1069 } __packed; 1070 1071 struct file_allocated_range_buffer { 1072 __le64 file_offset; 1073 __le64 length; 1074 } __packed; 1075 1076 /* Integrity ChecksumAlgorithm choices for above */ 1077 #define CHECKSUM_TYPE_NONE 0x0000 1078 #define CHECKSUM_TYPE_CRC64 0x0002 1079 #define CHECKSUM_TYPE_UNCHANGED 0xFFFF /* set only */ 1080 1081 /* Integrity flags for above */ 1082 #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x00000001 1083 1084 /* Reparse structures - see MS-FSCC 2.1.2 */ 1085 1086 /* struct fsctl_reparse_info_req is empty, only response structs (see below) */ 1087 1088 struct reparse_data_buffer { 1089 __le32 ReparseTag; 1090 __le16 ReparseDataLength; 1091 __u16 Reserved; 1092 __u8 DataBuffer[]; /* Variable Length */ 1093 } __packed; 1094 1095 struct reparse_guid_data_buffer { 1096 __le32 ReparseTag; 1097 __le16 ReparseDataLength; 1098 __u16 Reserved; 1099 __u8 ReparseGuid[16]; 1100 __u8 DataBuffer[]; /* Variable Length */ 1101 } __packed; 1102 1103 struct reparse_mount_point_data_buffer { 1104 __le32 ReparseTag; 1105 __le16 ReparseDataLength; 1106 __u16 Reserved; 1107 __le16 SubstituteNameOffset; 1108 __le16 SubstituteNameLength; 1109 __le16 PrintNameOffset; 1110 __le16 PrintNameLength; 1111 __u8 PathBuffer[]; /* Variable Length */ 1112 } __packed; 1113 1114 #define SYMLINK_FLAG_RELATIVE 0x00000001 1115 1116 struct reparse_symlink_data_buffer { 1117 __le32 ReparseTag; 1118 __le16 ReparseDataLength; 1119 __u16 Reserved; 1120 __le16 SubstituteNameOffset; 1121 __le16 SubstituteNameLength; 1122 __le16 PrintNameOffset; 1123 __le16 PrintNameLength; 1124 __le32 Flags; 1125 __u8 PathBuffer[]; /* Variable Length */ 1126 } __packed; 1127 1128 /* See MS-FSCC 2.1.2.6 and cifspdu.h for struct reparse_posix_data */ 1129 1130 1131 /* See MS-DFSC 2.2.2 */ 1132 struct fsctl_get_dfs_referral_req { 1133 __le16 MaxReferralLevel; 1134 __u8 RequestFileName[]; 1135 } __packed; 1136 1137 /* DFS response is struct get_dfs_refer_rsp */ 1138 1139 /* See MS-SMB2 2.2.31.3 */ 1140 struct network_resiliency_req { 1141 __le32 Timeout; 1142 __le32 Reserved; 1143 } __packed; 1144 /* There is no buffer for the response ie no struct network_resiliency_rsp */ 1145 1146 1147 struct validate_negotiate_info_req { 1148 __le32 Capabilities; 1149 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1150 __le16 SecurityMode; 1151 __le16 DialectCount; 1152 __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */ 1153 } __packed; 1154 1155 struct validate_negotiate_info_rsp { 1156 __le32 Capabilities; 1157 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1158 __le16 SecurityMode; 1159 __le16 Dialect; /* Dialect in use for the connection */ 1160 } __packed; 1161 1162 #define RSS_CAPABLE cpu_to_le32(0x00000001) 1163 #define RDMA_CAPABLE cpu_to_le32(0x00000002) 1164 1165 #define INTERNETWORK cpu_to_le16(0x0002) 1166 #define INTERNETWORKV6 cpu_to_le16(0x0017) 1167 1168 struct network_interface_info_ioctl_rsp { 1169 __le32 Next; /* next interface. zero if this is last one */ 1170 __le32 IfIndex; 1171 __le32 Capability; /* RSS or RDMA Capable */ 1172 __le32 Reserved; 1173 __le64 LinkSpeed; 1174 __le16 Family; 1175 __u8 Buffer[126]; 1176 } __packed; 1177 1178 struct iface_info_ipv4 { 1179 __be16 Port; 1180 __be32 IPv4Address; 1181 __be64 Reserved; 1182 } __packed; 1183 1184 struct iface_info_ipv6 { 1185 __be16 Port; 1186 __be32 FlowInfo; 1187 __u8 IPv6Address[16]; 1188 __be32 ScopeId; 1189 } __packed; 1190 1191 #define NO_FILE_ID 0xFFFFFFFFFFFFFFFFULL /* general ioctls to srv not to file */ 1192 1193 struct compress_ioctl { 1194 __le16 CompressionState; /* See cifspdu.h for possible flag values */ 1195 } __packed; 1196 1197 struct duplicate_extents_to_file { 1198 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 1199 __u64 VolatileFileHandle; 1200 __le64 SourceFileOffset; 1201 __le64 TargetFileOffset; 1202 __le64 ByteCount; /* Bytes to be copied */ 1203 } __packed; 1204 1205 /* 1206 * Maximum number of iovs we need for an ioctl request. 1207 * [0] : struct smb2_ioctl_req 1208 * [1] : in_data 1209 */ 1210 #define SMB2_IOCTL_IOV_SIZE 2 1211 1212 struct smb2_ioctl_req { 1213 struct smb2_sync_hdr sync_hdr; 1214 __le16 StructureSize; /* Must be 57 */ 1215 __u16 Reserved; 1216 __le32 CtlCode; 1217 __u64 PersistentFileId; /* opaque endianness */ 1218 __u64 VolatileFileId; /* opaque endianness */ 1219 __le32 InputOffset; 1220 __le32 InputCount; 1221 __le32 MaxInputResponse; 1222 __le32 OutputOffset; 1223 __le32 OutputCount; 1224 __le32 MaxOutputResponse; 1225 __le32 Flags; 1226 __u32 Reserved2; 1227 __u8 Buffer[]; 1228 } __packed; 1229 1230 struct smb2_ioctl_rsp { 1231 struct smb2_sync_hdr sync_hdr; 1232 __le16 StructureSize; /* Must be 57 */ 1233 __u16 Reserved; 1234 __le32 CtlCode; 1235 __u64 PersistentFileId; /* opaque endianness */ 1236 __u64 VolatileFileId; /* opaque endianness */ 1237 __le32 InputOffset; 1238 __le32 InputCount; 1239 __le32 OutputOffset; 1240 __le32 OutputCount; 1241 __le32 Flags; 1242 __u32 Reserved2; 1243 /* char * buffer[] */ 1244 } __packed; 1245 1246 /* Currently defined values for close flags */ 1247 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001) 1248 struct smb2_close_req { 1249 struct smb2_sync_hdr sync_hdr; 1250 __le16 StructureSize; /* Must be 24 */ 1251 __le16 Flags; 1252 __le32 Reserved; 1253 __u64 PersistentFileId; /* opaque endianness */ 1254 __u64 VolatileFileId; /* opaque endianness */ 1255 } __packed; 1256 1257 /* 1258 * Maximum size of a SMB2_CLOSE response is 64 (smb2 header) + 60 (data) 1259 */ 1260 #define MAX_SMB2_CLOSE_RESPONSE_SIZE 124 1261 1262 struct smb2_close_rsp { 1263 struct smb2_sync_hdr sync_hdr; 1264 __le16 StructureSize; /* 60 */ 1265 __le16 Flags; 1266 __le32 Reserved; 1267 __le64 CreationTime; 1268 __le64 LastAccessTime; 1269 __le64 LastWriteTime; 1270 __le64 ChangeTime; 1271 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 1272 __le64 EndOfFile; 1273 __le32 Attributes; 1274 } __packed; 1275 1276 struct smb2_flush_req { 1277 struct smb2_sync_hdr sync_hdr; 1278 __le16 StructureSize; /* Must be 24 */ 1279 __le16 Reserved1; 1280 __le32 Reserved2; 1281 __u64 PersistentFileId; /* opaque endianness */ 1282 __u64 VolatileFileId; /* opaque endianness */ 1283 } __packed; 1284 1285 struct smb2_flush_rsp { 1286 struct smb2_sync_hdr sync_hdr; 1287 __le16 StructureSize; 1288 __le16 Reserved; 1289 } __packed; 1290 1291 /* For read request Flags field below, following flag is defined for SMB3.02 */ 1292 #define SMB2_READFLAG_READ_UNBUFFERED 0x01 1293 #define SMB2_READFLAG_REQUEST_COMPRESSED 0x02 /* See MS-SMB2 2.2.19 */ 1294 1295 /* Channel field for read and write: exactly one of following flags can be set*/ 1296 #define SMB2_CHANNEL_NONE cpu_to_le32(0x00000000) 1297 #define SMB2_CHANNEL_RDMA_V1 cpu_to_le32(0x00000001) /* SMB3 or later */ 1298 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) /* >= SMB3.02 */ 1299 #define SMB2_CHANNEL_RDMA_TRANSFORM cpu_to_le32(0x00000003) /* >= SMB3.02, only used on write */ 1300 1301 /* SMB2 read request without RFC1001 length at the beginning */ 1302 struct smb2_read_plain_req { 1303 struct smb2_sync_hdr sync_hdr; 1304 __le16 StructureSize; /* Must be 49 */ 1305 __u8 Padding; /* offset from start of SMB2 header to place read */ 1306 __u8 Flags; /* MBZ unless SMB3.02 or later */ 1307 __le32 Length; 1308 __le64 Offset; 1309 __u64 PersistentFileId; /* opaque endianness */ 1310 __u64 VolatileFileId; /* opaque endianness */ 1311 __le32 MinimumCount; 1312 __le32 Channel; /* MBZ except for SMB3 or later */ 1313 __le32 RemainingBytes; 1314 __le16 ReadChannelInfoOffset; 1315 __le16 ReadChannelInfoLength; 1316 __u8 Buffer[]; 1317 } __packed; 1318 1319 /* Read flags */ 1320 #define SMB2_READFLAG_RESPONSE_NONE 0x00000000 1321 #define SMB2_READFLAG_RESPONSE_RDMA_TRANSFORM 0x00000001 1322 1323 struct smb2_read_rsp { 1324 struct smb2_sync_hdr sync_hdr; 1325 __le16 StructureSize; /* Must be 17 */ 1326 __u8 DataOffset; 1327 __u8 Reserved; 1328 __le32 DataLength; 1329 __le32 DataRemaining; 1330 __u32 Flags; 1331 __u8 Buffer[]; 1332 } __packed; 1333 1334 /* For write request Flags field below the following flags are defined: */ 1335 #define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 /* SMB2.1 or later */ 1336 #define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002 /* SMB3.02 or later */ 1337 1338 struct smb2_write_req { 1339 struct smb2_sync_hdr sync_hdr; 1340 __le16 StructureSize; /* Must be 49 */ 1341 __le16 DataOffset; /* offset from start of SMB2 header to write data */ 1342 __le32 Length; 1343 __le64 Offset; 1344 __u64 PersistentFileId; /* opaque endianness */ 1345 __u64 VolatileFileId; /* opaque endianness */ 1346 __le32 Channel; /* MBZ unless SMB3.02 or later */ 1347 __le32 RemainingBytes; 1348 __le16 WriteChannelInfoOffset; 1349 __le16 WriteChannelInfoLength; 1350 __le32 Flags; 1351 __u8 Buffer[]; 1352 } __packed; 1353 1354 struct smb2_write_rsp { 1355 struct smb2_sync_hdr sync_hdr; 1356 __le16 StructureSize; /* Must be 17 */ 1357 __u8 DataOffset; 1358 __u8 Reserved; 1359 __le32 DataLength; 1360 __le32 DataRemaining; 1361 __u32 Reserved2; 1362 __u8 Buffer[]; 1363 } __packed; 1364 1365 /* notify flags */ 1366 #define SMB2_WATCH_TREE 0x0001 1367 1368 /* notify completion filter flags. See MS-FSCC 2.6 and MS-SMB2 2.2.35 */ 1369 #define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001 1370 #define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002 1371 #define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004 1372 #define FILE_NOTIFY_CHANGE_SIZE 0x00000008 1373 #define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010 1374 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020 1375 #define FILE_NOTIFY_CHANGE_CREATION 0x00000040 1376 #define FILE_NOTIFY_CHANGE_EA 0x00000080 1377 #define FILE_NOTIFY_CHANGE_SECURITY 0x00000100 1378 #define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200 1379 #define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400 1380 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800 1381 1382 struct smb2_change_notify_req { 1383 struct smb2_sync_hdr sync_hdr; 1384 __le16 StructureSize; 1385 __le16 Flags; 1386 __le32 OutputBufferLength; 1387 __u64 PersistentFileId; /* opaque endianness */ 1388 __u64 VolatileFileId; /* opaque endianness */ 1389 __le32 CompletionFilter; 1390 __u32 Reserved; 1391 } __packed; 1392 1393 struct smb2_change_notify_rsp { 1394 struct smb2_sync_hdr sync_hdr; 1395 __le16 StructureSize; /* Must be 9 */ 1396 __le16 OutputBufferOffset; 1397 __le32 OutputBufferLength; 1398 __u8 Buffer[]; /* array of file notify structs */ 1399 } __packed; 1400 1401 #define SMB2_LOCKFLAG_SHARED_LOCK 0x0001 1402 #define SMB2_LOCKFLAG_EXCLUSIVE_LOCK 0x0002 1403 #define SMB2_LOCKFLAG_UNLOCK 0x0004 1404 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY 0x0010 1405 1406 struct smb2_lock_element { 1407 __le64 Offset; 1408 __le64 Length; 1409 __le32 Flags; 1410 __le32 Reserved; 1411 } __packed; 1412 1413 struct smb2_lock_req { 1414 struct smb2_sync_hdr sync_hdr; 1415 __le16 StructureSize; /* Must be 48 */ 1416 __le16 LockCount; 1417 /* 1418 * The least significant four bits are the index, the other 28 bits are 1419 * the lock sequence number (0 to 64). See MS-SMB2 2.2.26 1420 */ 1421 __le32 LockSequenceNumber; 1422 __u64 PersistentFileId; /* opaque endianness */ 1423 __u64 VolatileFileId; /* opaque endianness */ 1424 /* Followed by at least one */ 1425 union { 1426 struct smb2_lock_element lock; 1427 DECLARE_FLEX_ARRAY(struct smb2_lock_element, locks); 1428 }; 1429 } __packed; 1430 1431 struct smb2_lock_rsp { 1432 struct smb2_sync_hdr sync_hdr; 1433 __le16 StructureSize; /* Must be 4 */ 1434 __le16 Reserved; 1435 } __packed; 1436 1437 struct smb2_echo_req { 1438 struct smb2_sync_hdr sync_hdr; 1439 __le16 StructureSize; /* Must be 4 */ 1440 __u16 Reserved; 1441 } __packed; 1442 1443 struct smb2_echo_rsp { 1444 struct smb2_sync_hdr sync_hdr; 1445 __le16 StructureSize; /* Must be 4 */ 1446 __u16 Reserved; 1447 } __packed; 1448 1449 /* search (query_directory) Flags field */ 1450 #define SMB2_RESTART_SCANS 0x01 1451 #define SMB2_RETURN_SINGLE_ENTRY 0x02 1452 #define SMB2_INDEX_SPECIFIED 0x04 1453 #define SMB2_REOPEN 0x10 1454 1455 #define SMB2_QUERY_DIRECTORY_IOV_SIZE 2 1456 1457 /* 1458 * Valid FileInformation classes. 1459 * 1460 * Note that these are a subset of the (file) QUERY_INFO levels defined 1461 * later in this file (but since QUERY_DIRECTORY uses equivalent numbers 1462 * we do not redefine them here) 1463 * 1464 * FileDirectoryInfomation 0x01 1465 * FileFullDirectoryInformation 0x02 1466 * FileIdFullDirectoryInformation 0x26 1467 * FileBothDirectoryInformation 0x03 1468 * FileIdBothDirectoryInformation 0x25 1469 * FileNamesInformation 0x0C 1470 * FileIdExtdDirectoryInformation 0x3C 1471 */ 1472 1473 struct smb2_query_directory_req { 1474 struct smb2_sync_hdr sync_hdr; 1475 __le16 StructureSize; /* Must be 33 */ 1476 __u8 FileInformationClass; 1477 __u8 Flags; 1478 __le32 FileIndex; 1479 __u64 PersistentFileId; /* opaque endianness */ 1480 __u64 VolatileFileId; /* opaque endianness */ 1481 __le16 FileNameOffset; 1482 __le16 FileNameLength; 1483 __le32 OutputBufferLength; 1484 __u8 Buffer[]; 1485 } __packed; 1486 1487 struct smb2_query_directory_rsp { 1488 struct smb2_sync_hdr sync_hdr; 1489 __le16 StructureSize; /* Must be 9 */ 1490 __le16 OutputBufferOffset; 1491 __le32 OutputBufferLength; 1492 __u8 Buffer[]; 1493 } __packed; 1494 1495 /* Possible InfoType values */ 1496 #define SMB2_O_INFO_FILE 0x01 1497 #define SMB2_O_INFO_FILESYSTEM 0x02 1498 #define SMB2_O_INFO_SECURITY 0x03 1499 #define SMB2_O_INFO_QUOTA 0x04 1500 1501 /* Security info type additionalinfo flags. See MS-SMB2 (2.2.37) or MS-DTYP */ 1502 #define OWNER_SECINFO 0x00000001 1503 #define GROUP_SECINFO 0x00000002 1504 #define DACL_SECINFO 0x00000004 1505 #define SACL_SECINFO 0x00000008 1506 #define LABEL_SECINFO 0x00000010 1507 #define ATTRIBUTE_SECINFO 0x00000020 1508 #define SCOPE_SECINFO 0x00000040 1509 #define BACKUP_SECINFO 0x00010000 1510 #define UNPROTECTED_SACL_SECINFO 0x10000000 1511 #define UNPROTECTED_DACL_SECINFO 0x20000000 1512 #define PROTECTED_SACL_SECINFO 0x40000000 1513 #define PROTECTED_DACL_SECINFO 0x80000000 1514 1515 /* Flags used for FileFullEAinfo */ 1516 #define SL_RESTART_SCAN 0x00000001 1517 #define SL_RETURN_SINGLE_ENTRY 0x00000002 1518 #define SL_INDEX_SPECIFIED 0x00000004 1519 1520 struct smb2_query_info_req { 1521 struct smb2_sync_hdr sync_hdr; 1522 __le16 StructureSize; /* Must be 41 */ 1523 __u8 InfoType; 1524 __u8 FileInfoClass; 1525 __le32 OutputBufferLength; 1526 __le16 InputBufferOffset; 1527 __u16 Reserved; 1528 __le32 InputBufferLength; 1529 __le32 AdditionalInformation; 1530 __le32 Flags; 1531 __u64 PersistentFileId; /* opaque endianness */ 1532 __u64 VolatileFileId; /* opaque endianness */ 1533 __u8 Buffer[]; 1534 } __packed; 1535 1536 struct smb2_query_info_rsp { 1537 struct smb2_sync_hdr sync_hdr; 1538 __le16 StructureSize; /* Must be 9 */ 1539 __le16 OutputBufferOffset; 1540 __le32 OutputBufferLength; 1541 __u8 Buffer[]; 1542 } __packed; 1543 1544 /* 1545 * Maximum number of iovs we need for a set-info request. 1546 * The largest one is rename/hardlink 1547 * [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info 1548 * [1] : path 1549 * [2] : compound padding 1550 */ 1551 #define SMB2_SET_INFO_IOV_SIZE 3 1552 1553 struct smb2_set_info_req { 1554 struct smb2_sync_hdr sync_hdr; 1555 __le16 StructureSize; /* Must be 33 */ 1556 __u8 InfoType; 1557 __u8 FileInfoClass; 1558 __le32 BufferLength; 1559 __le16 BufferOffset; 1560 __u16 Reserved; 1561 __le32 AdditionalInformation; 1562 __u64 PersistentFileId; /* opaque endianness */ 1563 __u64 VolatileFileId; /* opaque endianness */ 1564 __u8 Buffer[]; 1565 } __packed; 1566 1567 struct smb2_set_info_rsp { 1568 struct smb2_sync_hdr sync_hdr; 1569 __le16 StructureSize; /* Must be 2 */ 1570 } __packed; 1571 1572 struct smb2_oplock_break { 1573 struct smb2_sync_hdr sync_hdr; 1574 __le16 StructureSize; /* Must be 24 */ 1575 __u8 OplockLevel; 1576 __u8 Reserved; 1577 __le32 Reserved2; 1578 __u64 PersistentFid; 1579 __u64 VolatileFid; 1580 } __packed; 1581 1582 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01) 1583 1584 struct smb2_lease_break { 1585 struct smb2_sync_hdr sync_hdr; 1586 __le16 StructureSize; /* Must be 44 */ 1587 __le16 Epoch; 1588 __le32 Flags; 1589 __u8 LeaseKey[16]; 1590 __le32 CurrentLeaseState; 1591 __le32 NewLeaseState; 1592 __le32 BreakReason; 1593 __le32 AccessMaskHint; 1594 __le32 ShareMaskHint; 1595 } __packed; 1596 1597 struct smb2_lease_ack { 1598 struct smb2_sync_hdr sync_hdr; 1599 __le16 StructureSize; /* Must be 36 */ 1600 __le16 Reserved; 1601 __le32 Flags; 1602 __u8 LeaseKey[16]; 1603 __le32 LeaseState; 1604 __le64 LeaseDuration; 1605 } __packed; 1606 1607 /* 1608 * PDU infolevel structure definitions 1609 * BB consider moving to a different header 1610 */ 1611 1612 /* File System Information Classes */ 1613 #define FS_VOLUME_INFORMATION 1 /* Query */ 1614 #define FS_LABEL_INFORMATION 2 /* Local only */ 1615 #define FS_SIZE_INFORMATION 3 /* Query */ 1616 #define FS_DEVICE_INFORMATION 4 /* Query */ 1617 #define FS_ATTRIBUTE_INFORMATION 5 /* Query */ 1618 #define FS_CONTROL_INFORMATION 6 /* Query, Set */ 1619 #define FS_FULL_SIZE_INFORMATION 7 /* Query */ 1620 #define FS_OBJECT_ID_INFORMATION 8 /* Query, Set */ 1621 #define FS_DRIVER_PATH_INFORMATION 9 /* Local only */ 1622 #define FS_VOLUME_FLAGS_INFORMATION 10 /* Local only */ 1623 #define FS_SECTOR_SIZE_INFORMATION 11 /* SMB3 or later. Query */ 1624 #define FS_POSIX_INFORMATION 100 /* SMB3.1.1 POSIX. Query */ 1625 1626 struct smb2_fs_full_size_info { 1627 __le64 TotalAllocationUnits; 1628 __le64 CallerAvailableAllocationUnits; 1629 __le64 ActualAvailableAllocationUnits; 1630 __le32 SectorsPerAllocationUnit; 1631 __le32 BytesPerSector; 1632 } __packed; 1633 1634 #define SSINFO_FLAGS_ALIGNED_DEVICE 0x00000001 1635 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002 1636 #define SSINFO_FLAGS_NO_SEEK_PENALTY 0x00000004 1637 #define SSINFO_FLAGS_TRIM_ENABLED 0x00000008 1638 1639 /* sector size info struct */ 1640 struct smb3_fs_ss_info { 1641 __le32 LogicalBytesPerSector; 1642 __le32 PhysicalBytesPerSectorForAtomicity; 1643 __le32 PhysicalBytesPerSectorForPerf; 1644 __le32 FileSystemEffectivePhysicalBytesPerSectorForAtomicity; 1645 __le32 Flags; 1646 __le32 ByteOffsetForSectorAlignment; 1647 __le32 ByteOffsetForPartitionAlignment; 1648 } __packed; 1649 1650 /* volume info struct - see MS-FSCC 2.5.9 */ 1651 #define MAX_VOL_LABEL_LEN 32 1652 struct smb3_fs_vol_info { 1653 __le64 VolumeCreationTime; 1654 __u32 VolumeSerialNumber; 1655 __le32 VolumeLabelLength; /* includes trailing null */ 1656 __u8 SupportsObjects; /* True if eg like NTFS, supports objects */ 1657 __u8 Reserved; 1658 __u8 VolumeLabel[]; /* variable len */ 1659 } __packed; 1660 1661 /* partial list of QUERY INFO levels */ 1662 #define FILE_DIRECTORY_INFORMATION 1 1663 #define FILE_FULL_DIRECTORY_INFORMATION 2 1664 #define FILE_BOTH_DIRECTORY_INFORMATION 3 1665 #define FILE_BASIC_INFORMATION 4 1666 #define FILE_STANDARD_INFORMATION 5 1667 #define FILE_INTERNAL_INFORMATION 6 1668 #define FILE_EA_INFORMATION 7 1669 #define FILE_ACCESS_INFORMATION 8 1670 #define FILE_NAME_INFORMATION 9 1671 #define FILE_RENAME_INFORMATION 10 1672 #define FILE_LINK_INFORMATION 11 1673 #define FILE_NAMES_INFORMATION 12 1674 #define FILE_DISPOSITION_INFORMATION 13 1675 #define FILE_POSITION_INFORMATION 14 1676 #define FILE_FULL_EA_INFORMATION 15 1677 #define FILE_MODE_INFORMATION 16 1678 #define FILE_ALIGNMENT_INFORMATION 17 1679 #define FILE_ALL_INFORMATION 18 1680 #define FILE_ALLOCATION_INFORMATION 19 1681 #define FILE_END_OF_FILE_INFORMATION 20 1682 #define FILE_ALTERNATE_NAME_INFORMATION 21 1683 #define FILE_STREAM_INFORMATION 22 1684 #define FILE_PIPE_INFORMATION 23 1685 #define FILE_PIPE_LOCAL_INFORMATION 24 1686 #define FILE_PIPE_REMOTE_INFORMATION 25 1687 #define FILE_MAILSLOT_QUERY_INFORMATION 26 1688 #define FILE_MAILSLOT_SET_INFORMATION 27 1689 #define FILE_COMPRESSION_INFORMATION 28 1690 #define FILE_OBJECT_ID_INFORMATION 29 1691 /* Number 30 not defined in documents */ 1692 #define FILE_MOVE_CLUSTER_INFORMATION 31 1693 #define FILE_QUOTA_INFORMATION 32 1694 #define FILE_REPARSE_POINT_INFORMATION 33 1695 #define FILE_NETWORK_OPEN_INFORMATION 34 1696 #define FILE_ATTRIBUTE_TAG_INFORMATION 35 1697 #define FILE_TRACKING_INFORMATION 36 1698 #define FILEID_BOTH_DIRECTORY_INFORMATION 37 1699 #define FILEID_FULL_DIRECTORY_INFORMATION 38 1700 #define FILE_VALID_DATA_LENGTH_INFORMATION 39 1701 #define FILE_SHORT_NAME_INFORMATION 40 1702 #define FILE_SFIO_RESERVE_INFORMATION 44 1703 #define FILE_SFIO_VOLUME_INFORMATION 45 1704 #define FILE_HARD_LINK_INFORMATION 46 1705 #define FILE_NORMALIZED_NAME_INFORMATION 48 1706 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50 1707 #define FILE_STANDARD_LINK_INFORMATION 54 1708 #define FILE_ID_INFORMATION 59 1709 #define FILE_ID_EXTD_DIRECTORY_INFORMATION 60 1710 1711 struct smb2_file_internal_info { 1712 __le64 IndexNumber; 1713 } __packed; /* level 6 Query */ 1714 1715 struct smb2_file_rename_info { /* encoding of request for level 10 */ 1716 __u8 ReplaceIfExists; /* 1 = replace existing target with new */ 1717 /* 0 = fail if target already exists */ 1718 __u8 Reserved[7]; 1719 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1720 __le32 FileNameLength; 1721 char FileName[]; /* New name to be assigned */ 1722 /* padding - overall struct size must be >= 24 so filename + pad >= 6 */ 1723 } __packed; /* level 10 Set */ 1724 1725 struct smb2_file_link_info { /* encoding of request for level 11 */ 1726 __u8 ReplaceIfExists; /* 1 = replace existing link with new */ 1727 /* 0 = fail if link already exists */ 1728 __u8 Reserved[7]; 1729 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1730 __le32 FileNameLength; 1731 char FileName[]; /* Name to be assigned to new link */ 1732 } __packed; /* level 11 Set */ 1733 1734 struct smb2_file_full_ea_info { /* encoding of response for level 15 */ 1735 __le32 next_entry_offset; 1736 __u8 flags; 1737 __u8 ea_name_length; 1738 __le16 ea_value_length; 1739 char ea_data[]; /* \0 terminated name plus value */ 1740 } __packed; /* level 15 Set */ 1741 1742 /* 1743 * This level 18, although with struct with same name is different from cifs 1744 * level 0x107. Level 0x107 has an extra u64 between AccessFlags and 1745 * CurrentByteOffset. 1746 */ 1747 struct smb2_file_all_info { /* data block encoding of response to level 18 */ 1748 __le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */ 1749 __le64 LastAccessTime; 1750 __le64 LastWriteTime; 1751 __le64 ChangeTime; 1752 __le32 Attributes; 1753 __u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */ 1754 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 1755 __le64 EndOfFile; /* size ie offset to first free byte in file */ 1756 __le32 NumberOfLinks; /* hard links */ 1757 __u8 DeletePending; 1758 __u8 Directory; 1759 __u16 Pad2; /* End of FILE_STANDARD_INFO equivalent */ 1760 __le64 IndexNumber; 1761 __le32 EASize; 1762 __le32 AccessFlags; 1763 __le64 CurrentByteOffset; 1764 __le32 Mode; 1765 __le32 AlignmentRequirement; 1766 __le32 FileNameLength; 1767 union { 1768 char __pad; /* Legacy structure padding */ 1769 DECLARE_FLEX_ARRAY(char, FileName); 1770 }; 1771 } __packed; /* level 18 Query */ 1772 1773 struct smb2_file_eof_info { /* encoding of request for level 10 */ 1774 __le64 EndOfFile; /* new end of file value */ 1775 } __packed; /* level 20 Set */ 1776 1777 struct smb2_file_reparse_point_info { 1778 __le64 IndexNumber; 1779 __le32 Tag; 1780 } __packed; 1781 1782 struct smb2_file_network_open_info { 1783 __le64 CreationTime; 1784 __le64 LastAccessTime; 1785 __le64 LastWriteTime; 1786 __le64 ChangeTime; 1787 __le64 AllocationSize; 1788 __le64 EndOfFile; 1789 __le32 Attributes; 1790 __le32 Reserved; 1791 } __packed; /* level 34 Query also similar returned in close rsp and open rsp */ 1792 1793 /* See MS-FSCC 2.4.21 */ 1794 struct smb2_file_id_information { 1795 __le64 VolumeSerialNumber; 1796 __u64 PersistentFileId; /* opaque endianness */ 1797 __u64 VolatileFileId; /* opaque endianness */ 1798 } __packed; /* level 59 */ 1799 1800 /* See MS-FSCC 2.4.18 */ 1801 struct smb2_file_id_extd_directory_info { 1802 __le32 NextEntryOffset; 1803 __u32 FileIndex; 1804 __le64 CreationTime; 1805 __le64 LastAccessTime; 1806 __le64 LastWriteTime; 1807 __le64 ChangeTime; 1808 __le64 EndOfFile; 1809 __le64 AllocationSize; 1810 __le32 FileAttributes; 1811 __le32 FileNameLength; 1812 __le32 EaSize; /* EA size */ 1813 __le32 ReparsePointTag; /* valid if FILE_ATTR_REPARSE_POINT set in FileAttributes */ 1814 __le64 UniqueId; /* inode num - le since Samba puts ino in low 32 bit */ 1815 char FileName[1]; 1816 } __packed; /* level 60 */ 1817 1818 extern char smb2_padding[7]; 1819 1820 /* equivalent of the contents of SMB3.1.1 POSIX open context response */ 1821 struct create_posix_rsp { 1822 u32 nlink; 1823 u32 reparse_tag; 1824 u32 mode; 1825 struct cifs_sid owner; /* var-sized on the wire */ 1826 struct cifs_sid group; /* var-sized on the wire */ 1827 } __packed; 1828 1829 /* 1830 * SMB2-only POSIX info level for query dir 1831 * 1832 * See posix_info_sid_size(), posix_info_extra_size() and 1833 * posix_info_parse() to help with the handling of this struct. 1834 */ 1835 struct smb2_posix_info { 1836 __le32 NextEntryOffset; 1837 __u32 Ignored; 1838 __le64 CreationTime; 1839 __le64 LastAccessTime; 1840 __le64 LastWriteTime; 1841 __le64 ChangeTime; 1842 __le64 EndOfFile; 1843 __le64 AllocationSize; 1844 __le32 DosAttributes; 1845 __le64 Inode; 1846 __le32 DeviceId; 1847 __le32 Zero; 1848 /* beginning of POSIX Create Context Response */ 1849 __le32 HardLinks; 1850 __le32 ReparseTag; 1851 __le32 Mode; 1852 /* 1853 * var sized owner SID 1854 * var sized group SID 1855 * le32 filenamelength 1856 * u8 filename[] 1857 */ 1858 } __packed; 1859 1860 /* Level 100 query info */ 1861 struct smb311_posix_qinfo { 1862 __le64 CreationTime; 1863 __le64 LastAccessTime; 1864 __le64 LastWriteTime; 1865 __le64 ChangeTime; 1866 __le64 EndOfFile; 1867 __le64 AllocationSize; 1868 __le32 DosAttributes; 1869 __le64 Inode; 1870 __le32 DeviceId; 1871 __le32 Zero; 1872 /* beginning of POSIX Create Context Response */ 1873 __le32 HardLinks; 1874 __le32 ReparseTag; 1875 __le32 Mode; 1876 u8 Sids[]; 1877 /* 1878 * var sized owner SID 1879 * var sized group SID 1880 * le32 filenamelength 1881 * u8 filename[] 1882 */ 1883 } __packed; 1884 1885 /* 1886 * Parsed version of the above struct. Allows direct access to the 1887 * variable length fields 1888 */ 1889 struct smb2_posix_info_parsed { 1890 const struct smb2_posix_info *base; 1891 size_t size; 1892 struct cifs_sid owner; 1893 struct cifs_sid group; 1894 int name_len; 1895 const u8 *name; 1896 }; 1897 1898 #endif /* _SMB2PDU_H */ 1899