1 /* 2 * fs/cifs/smb2pdu.h 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 * This library is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU Lesser General Public License as published 11 * by the Free Software Foundation; either version 2.1 of the License, or 12 * (at your option) any later version. 13 * 14 * This library is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 17 * the GNU Lesser General Public License for more details. 18 * 19 * You should have received a copy of the GNU Lesser General Public License 20 * along with this library; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 */ 23 24 #ifndef _SMB2PDU_H 25 #define _SMB2PDU_H 26 27 #include <net/sock.h> 28 #include <cifsacl.h> 29 30 /* 31 * Note that, due to trying to use names similar to the protocol specifications, 32 * there are many mixed case field names in the structures below. Although 33 * this does not match typical Linux kernel style, it is necessary to be 34 * able to match against the protocol specfication. 35 * 36 * SMB2 commands 37 * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses 38 * (ie no useful data other than the SMB error code itself) and are marked such. 39 * Knowing this helps avoid response buffer allocations and copy in some cases. 40 */ 41 42 /* List of commands in host endian */ 43 #define SMB2_NEGOTIATE_HE 0x0000 44 #define SMB2_SESSION_SETUP_HE 0x0001 45 #define SMB2_LOGOFF_HE 0x0002 /* trivial request/resp */ 46 #define SMB2_TREE_CONNECT_HE 0x0003 47 #define SMB2_TREE_DISCONNECT_HE 0x0004 /* trivial req/resp */ 48 #define SMB2_CREATE_HE 0x0005 49 #define SMB2_CLOSE_HE 0x0006 50 #define SMB2_FLUSH_HE 0x0007 /* trivial resp */ 51 #define SMB2_READ_HE 0x0008 52 #define SMB2_WRITE_HE 0x0009 53 #define SMB2_LOCK_HE 0x000A 54 #define SMB2_IOCTL_HE 0x000B 55 #define SMB2_CANCEL_HE 0x000C 56 #define SMB2_ECHO_HE 0x000D 57 #define SMB2_QUERY_DIRECTORY_HE 0x000E 58 #define SMB2_CHANGE_NOTIFY_HE 0x000F 59 #define SMB2_QUERY_INFO_HE 0x0010 60 #define SMB2_SET_INFO_HE 0x0011 61 #define SMB2_OPLOCK_BREAK_HE 0x0012 62 63 /* The same list in little endian */ 64 #define SMB2_NEGOTIATE cpu_to_le16(SMB2_NEGOTIATE_HE) 65 #define SMB2_SESSION_SETUP cpu_to_le16(SMB2_SESSION_SETUP_HE) 66 #define SMB2_LOGOFF cpu_to_le16(SMB2_LOGOFF_HE) 67 #define SMB2_TREE_CONNECT cpu_to_le16(SMB2_TREE_CONNECT_HE) 68 #define SMB2_TREE_DISCONNECT cpu_to_le16(SMB2_TREE_DISCONNECT_HE) 69 #define SMB2_CREATE cpu_to_le16(SMB2_CREATE_HE) 70 #define SMB2_CLOSE cpu_to_le16(SMB2_CLOSE_HE) 71 #define SMB2_FLUSH cpu_to_le16(SMB2_FLUSH_HE) 72 #define SMB2_READ cpu_to_le16(SMB2_READ_HE) 73 #define SMB2_WRITE cpu_to_le16(SMB2_WRITE_HE) 74 #define SMB2_LOCK cpu_to_le16(SMB2_LOCK_HE) 75 #define SMB2_IOCTL cpu_to_le16(SMB2_IOCTL_HE) 76 #define SMB2_CANCEL cpu_to_le16(SMB2_CANCEL_HE) 77 #define SMB2_ECHO cpu_to_le16(SMB2_ECHO_HE) 78 #define SMB2_QUERY_DIRECTORY cpu_to_le16(SMB2_QUERY_DIRECTORY_HE) 79 #define SMB2_CHANGE_NOTIFY cpu_to_le16(SMB2_CHANGE_NOTIFY_HE) 80 #define SMB2_QUERY_INFO cpu_to_le16(SMB2_QUERY_INFO_HE) 81 #define SMB2_SET_INFO cpu_to_le16(SMB2_SET_INFO_HE) 82 #define SMB2_OPLOCK_BREAK cpu_to_le16(SMB2_OPLOCK_BREAK_HE) 83 84 #define SMB2_INTERNAL_CMD cpu_to_le16(0xFFFF) 85 86 #define NUMBER_OF_SMB2_COMMANDS 0x0013 87 88 /* 52 transform hdr + 64 hdr + 88 create rsp */ 89 #define SMB2_TRANSFORM_HEADER_SIZE 52 90 #define MAX_SMB2_HDR_SIZE 204 91 92 #define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe) 93 #define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd) 94 #define SMB2_COMPRESSION_TRANSFORM_ID cpu_to_le32(0x424d53fc) 95 96 /* 97 * SMB2 Header Definition 98 * 99 * "MBZ" : Must be Zero 100 * "BB" : BugBug, Something to check/review/analyze later 101 * "PDU" : "Protocol Data Unit" (ie a network "frame") 102 * 103 */ 104 105 #define SMB2_HEADER_STRUCTURE_SIZE cpu_to_le16(64) 106 107 struct smb2_sync_hdr { 108 __le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */ 109 __le16 StructureSize; /* 64 */ 110 __le16 CreditCharge; /* MBZ */ 111 __le32 Status; /* Error from server */ 112 __le16 Command; 113 __le16 CreditRequest; /* CreditResponse */ 114 __le32 Flags; 115 __le32 NextCommand; 116 __le64 MessageId; 117 __le32 ProcessId; 118 __u32 TreeId; /* opaque - so do not make little endian */ 119 __u64 SessionId; /* opaque - so do not make little endian */ 120 __u8 Signature[16]; 121 } __packed; 122 123 /* The total header size for SMB2 read and write */ 124 #define SMB2_READWRITE_PDU_HEADER_SIZE (48 + sizeof(struct smb2_sync_hdr)) 125 126 struct smb2_sync_pdu { 127 struct smb2_sync_hdr sync_hdr; 128 __le16 StructureSize2; /* size of wct area (varies, request specific) */ 129 } __packed; 130 131 #define SMB3_AES_CCM_NONCE 11 132 #define SMB3_AES_GCM_NONCE 12 133 134 /* Transform flags (for 3.0 dialect this flag indicates CCM */ 135 #define TRANSFORM_FLAG_ENCRYPTED 0x0001 136 struct smb2_transform_hdr { 137 __le32 ProtocolId; /* 0xFD 'S' 'M' 'B' */ 138 __u8 Signature[16]; 139 __u8 Nonce[16]; 140 __le32 OriginalMessageSize; 141 __u16 Reserved1; 142 __le16 Flags; /* EncryptionAlgorithm for 3.0, enc enabled for 3.1.1 */ 143 __u64 SessionId; 144 } __packed; 145 146 /* See MS-SMB2 2.2.42 */ 147 struct smb2_compression_transform_hdr { 148 __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */ 149 __le32 OriginalCompressedSegmentSize; 150 __le16 CompressionAlgorithm; 151 __le16 Flags; 152 __le16 Length; /* if chained it is length, else offset */ 153 } __packed; 154 155 /* See MS-SMB2 2.2.42.1 */ 156 #define SMB2_COMPRESSION_FLAG_NONE 0x0000 157 #define SMB2_COMPRESSION_FLAG_CHAINED 0x0001 158 159 struct compression_payload_header { 160 __le16 CompressionAlgorithm; 161 __le16 Flags; 162 __le32 Length; /* length of compressed playload including field below if present */ 163 /* __le32 OriginalPayloadSize; */ /* optional */ 164 } __packed; 165 166 /* See MS-SMB2 2.2.42.2 */ 167 struct compression_pattern_payload_v1 { 168 __le16 Pattern; 169 __le16 Reserved1; 170 __le16 Reserved2; 171 __le32 Repetitions; 172 } __packed; 173 174 /* See MS-SMB2 2.2.43 */ 175 struct smb2_rdma_transform { 176 __le16 RdmaDescriptorOffset; 177 __le16 RdmaDescriptorLength; 178 __le32 Channel; /* for values see channel description in smb2 read above */ 179 __le16 TransformCount; 180 __le16 Reserved1; 181 __le32 Reserved2; 182 } __packed; 183 184 struct smb2_rdma_encryption_transform { 185 __le16 TransformType; 186 __le16 SignatureLength; 187 __le16 NonceLength; 188 __u16 Reserved; 189 __u8 Signature[]; /* variable length */ 190 /* u8 Nonce[] */ 191 /* followed by padding */ 192 } __packed; 193 194 /* 195 * SMB2 flag definitions 196 */ 197 #define SMB2_FLAGS_SERVER_TO_REDIR cpu_to_le32(0x00000001) 198 #define SMB2_FLAGS_ASYNC_COMMAND cpu_to_le32(0x00000002) 199 #define SMB2_FLAGS_RELATED_OPERATIONS cpu_to_le32(0x00000004) 200 #define SMB2_FLAGS_SIGNED cpu_to_le32(0x00000008) 201 #define SMB2_FLAGS_PRIORITY_MASK cpu_to_le32(0x00000070) /* SMB3.1.1 */ 202 #define SMB2_FLAGS_DFS_OPERATIONS cpu_to_le32(0x10000000) 203 #define SMB2_FLAGS_REPLAY_OPERATION cpu_to_le32(0x20000000) /* SMB3 & up */ 204 205 /* 206 * Definitions for SMB2 Protocol Data Units (network frames) 207 * 208 * See MS-SMB2.PDF specification for protocol details. 209 * The Naming convention is the lower case version of the SMB2 210 * command code name for the struct. Note that structures must be packed. 211 * 212 */ 213 214 #define COMPOUND_FID 0xFFFFFFFFFFFFFFFFULL 215 216 #define SMB2_ERROR_STRUCTURE_SIZE2 cpu_to_le16(9) 217 218 struct smb2_err_rsp { 219 struct smb2_sync_hdr sync_hdr; 220 __le16 StructureSize; 221 __le16 Reserved; /* MBZ */ 222 __le32 ByteCount; /* even if zero, at least one byte follows */ 223 __u8 ErrorData[]; /* variable length */ 224 } __packed; 225 226 #define SYMLINK_ERROR_TAG 0x4c4d5953 227 228 struct smb2_symlink_err_rsp { 229 __le32 SymLinkLength; 230 __le32 SymLinkErrorTag; 231 __le32 ReparseTag; 232 __le16 ReparseDataLength; 233 __le16 UnparsedPathLength; 234 __le16 SubstituteNameOffset; 235 __le16 SubstituteNameLength; 236 __le16 PrintNameOffset; 237 __le16 PrintNameLength; 238 __le32 Flags; 239 __u8 PathBuffer[]; 240 } __packed; 241 242 /* SMB 3.1.1 and later dialects. See MS-SMB2 section 2.2.2.1 */ 243 struct smb2_error_context_rsp { 244 __le32 ErrorDataLength; 245 __le32 ErrorId; 246 __u8 ErrorContextData; /* ErrorDataLength long array */ 247 } __packed; 248 249 /* ErrorId values */ 250 #define SMB2_ERROR_ID_DEFAULT 0x00000000 251 #define SMB2_ERROR_ID_SHARE_REDIRECT cpu_to_le32(0x72645253) /* "rdRS" */ 252 253 /* Defines for Type field below (see MS-SMB2 2.2.2.2.2.1) */ 254 #define MOVE_DST_IPADDR_V4 cpu_to_le32(0x00000001) 255 #define MOVE_DST_IPADDR_V6 cpu_to_le32(0x00000002) 256 257 struct move_dst_ipaddr { 258 __le32 Type; 259 __u32 Reserved; 260 __u8 address[16]; /* IPv4 followed by 12 bytes rsvd or IPv6 address */ 261 } __packed; 262 263 struct share_redirect_error_context_rsp { 264 __le32 StructureSize; 265 __le32 NotificationType; 266 __le32 ResourceNameOffset; 267 __le32 ResourceNameLength; 268 __le16 Flags; 269 __le16 TargetType; 270 __le32 IPAddrCount; 271 struct move_dst_ipaddr IpAddrMoveList[]; 272 /* __u8 ResourceName[] */ /* Name of share as counted Unicode string */ 273 } __packed; 274 275 #define SMB2_CLIENT_GUID_SIZE 16 276 277 struct smb2_negotiate_req { 278 struct smb2_sync_hdr sync_hdr; 279 __le16 StructureSize; /* Must be 36 */ 280 __le16 DialectCount; 281 __le16 SecurityMode; 282 __le16 Reserved; /* MBZ */ 283 __le32 Capabilities; 284 __u8 ClientGUID[SMB2_CLIENT_GUID_SIZE]; 285 /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */ 286 __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */ 287 __le16 NegotiateContextCount; /* SMB3.1.1 only. MBZ earlier */ 288 __le16 Reserved2; 289 __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */ 290 } __packed; 291 292 /* Dialects */ 293 #define SMB10_PROT_ID 0x0000 /* local only, not sent on wire w/CIFS negprot */ 294 #define SMB20_PROT_ID 0x0202 295 #define SMB21_PROT_ID 0x0210 296 #define SMB30_PROT_ID 0x0300 297 #define SMB302_PROT_ID 0x0302 298 #define SMB311_PROT_ID 0x0311 299 #define BAD_PROT_ID 0xFFFF 300 301 /* SecurityMode flags */ 302 #define SMB2_NEGOTIATE_SIGNING_ENABLED 0x0001 303 #define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002 304 #define SMB2_SEC_MODE_FLAGS_ALL 0x0003 305 306 /* Capabilities flags */ 307 #define SMB2_GLOBAL_CAP_DFS 0x00000001 308 #define SMB2_GLOBAL_CAP_LEASING 0x00000002 /* Resp only New to SMB2.1 */ 309 #define SMB2_GLOBAL_CAP_LARGE_MTU 0X00000004 /* Resp only New to SMB2.1 */ 310 #define SMB2_GLOBAL_CAP_MULTI_CHANNEL 0x00000008 /* New to SMB3 */ 311 #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */ 312 #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING 0x00000020 /* New to SMB3 */ 313 #define SMB2_GLOBAL_CAP_ENCRYPTION 0x00000040 /* New to SMB3 */ 314 /* Internal types */ 315 #define SMB2_NT_FIND 0x00100000 316 #define SMB2_LARGE_FILES 0x00200000 317 318 319 /* Negotiate Contexts - ContextTypes. See MS-SMB2 section 2.2.3.1 for details */ 320 #define SMB2_PREAUTH_INTEGRITY_CAPABILITIES cpu_to_le16(1) 321 #define SMB2_ENCRYPTION_CAPABILITIES cpu_to_le16(2) 322 #define SMB2_COMPRESSION_CAPABILITIES cpu_to_le16(3) 323 #define SMB2_NETNAME_NEGOTIATE_CONTEXT_ID cpu_to_le16(5) 324 #define SMB2_TRANSPORT_CAPABILITIES cpu_to_le16(6) 325 #define SMB2_RDMA_TRANSFORM_CAPABILITIES cpu_to_le16(7) 326 #define SMB2_SIGNING_CAPABILITIES cpu_to_le16(8) 327 #define SMB2_POSIX_EXTENSIONS_AVAILABLE cpu_to_le16(0x100) 328 329 struct smb2_neg_context { 330 __le16 ContextType; 331 __le16 DataLength; 332 __le32 Reserved; 333 /* Followed by array of data */ 334 } __packed; 335 336 #define SMB311_LINUX_CLIENT_SALT_SIZE 32 337 /* Hash Algorithm Types */ 338 #define SMB2_PREAUTH_INTEGRITY_SHA512 cpu_to_le16(0x0001) 339 #define SMB2_PREAUTH_HASH_SIZE 64 340 341 /* 342 * SaltLength that the server send can be zero, so the only three required 343 * fields (all __le16) end up six bytes total, so the minimum context data len 344 * in the response is six bytes which accounts for 345 * 346 * HashAlgorithmCount, SaltLength, and 1 HashAlgorithm. 347 */ 348 #define MIN_PREAUTH_CTXT_DATA_LEN 6 349 350 struct smb2_preauth_neg_context { 351 __le16 ContextType; /* 1 */ 352 __le16 DataLength; 353 __le32 Reserved; 354 __le16 HashAlgorithmCount; /* 1 */ 355 __le16 SaltLength; 356 __le16 HashAlgorithms; /* HashAlgorithms[0] since only one defined */ 357 __u8 Salt[SMB311_LINUX_CLIENT_SALT_SIZE]; 358 } __packed; 359 360 /* Encryption Algorithms Ciphers */ 361 #define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001) 362 #define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002) 363 /* we currently do not request AES256_CCM since presumably GCM faster */ 364 #define SMB2_ENCRYPTION_AES256_CCM cpu_to_le16(0x0003) 365 #define SMB2_ENCRYPTION_AES256_GCM cpu_to_le16(0x0004) 366 367 /* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */ 368 #define MIN_ENCRYPT_CTXT_DATA_LEN 4 369 struct smb2_encryption_neg_context { 370 __le16 ContextType; /* 2 */ 371 __le16 DataLength; 372 __le32 Reserved; 373 /* CipherCount usally 2, but can be 3 when AES256-GCM enabled */ 374 __le16 CipherCount; /* AES128-GCM and AES128-CCM by default */ 375 __le16 Ciphers[3]; 376 } __packed; 377 378 /* See MS-SMB2 2.2.3.1.3 */ 379 #define SMB3_COMPRESS_NONE cpu_to_le16(0x0000) 380 #define SMB3_COMPRESS_LZNT1 cpu_to_le16(0x0001) 381 #define SMB3_COMPRESS_LZ77 cpu_to_le16(0x0002) 382 #define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003) 383 /* Pattern scanning algorithm See MS-SMB2 3.1.4.4.1 */ 384 #define SMB3_COMPRESS_PATTERN cpu_to_le16(0x0004) /* Pattern_V1 */ 385 386 /* Compression Flags */ 387 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_NONE cpu_to_le32(0x00000000) 388 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_CHAINED cpu_to_le32(0x00000001) 389 390 struct smb2_compression_capabilities_context { 391 __le16 ContextType; /* 3 */ 392 __le16 DataLength; 393 __u32 Reserved; 394 __le16 CompressionAlgorithmCount; 395 __u16 Padding; 396 __u32 Flags; 397 __le16 CompressionAlgorithms[3]; 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 rdma transform capabilities context see MS-SMB2 2.2.3.1.6 413 * and 2.2.4.1.5 414 */ 415 416 /* RDMA Transform IDs */ 417 #define SMB2_RDMA_TRANSFORM_NONE 0x0000 418 #define SMB2_RDMA_TRANSFORM_ENCRYPTION 0x0001 419 420 struct smb2_rdma_transform_capabilities_context { 421 __le16 ContextType; /* 7 */ 422 __le16 DataLength; 423 __u32 Reserved; 424 __le16 TransformCount; 425 __u16 Reserved1; 426 __u32 Reserved2; 427 __le16 RDMATransformIds[1]; 428 } __packed; 429 430 /* Signing algorithms */ 431 #define SIGNING_ALG_HMAC_SHA256 0 432 #define SIGNING_ALG_AES_CMAC 1 433 #define SIGNING_ALG_AES_GMAC 2 434 435 struct smb2_signing_capabilities { 436 __le16 ContextType; /* 8 */ 437 __le16 DataLength; 438 __u32 Reserved; 439 __le16 SigningAlgorithmCount; 440 __le16 SigningAlgorithms[]; 441 } __packed; 442 443 #define POSIX_CTXT_DATA_LEN 16 444 struct smb2_posix_neg_context { 445 __le16 ContextType; /* 0x100 */ 446 __le16 DataLength; 447 __le32 Reserved; 448 __u8 Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */ 449 } __packed; 450 451 struct smb2_negotiate_rsp { 452 struct smb2_sync_hdr sync_hdr; 453 __le16 StructureSize; /* Must be 65 */ 454 __le16 SecurityMode; 455 __le16 DialectRevision; 456 __le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */ 457 __u8 ServerGUID[16]; 458 __le32 Capabilities; 459 __le32 MaxTransactSize; 460 __le32 MaxReadSize; 461 __le32 MaxWriteSize; 462 __le64 SystemTime; /* MBZ */ 463 __le64 ServerStartTime; 464 __le16 SecurityBufferOffset; 465 __le16 SecurityBufferLength; 466 __le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */ 467 __u8 Buffer[]; /* variable length GSS security buffer */ 468 } __packed; 469 470 /* Flags */ 471 #define SMB2_SESSION_REQ_FLAG_BINDING 0x01 472 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04 473 474 struct smb2_sess_setup_req { 475 struct smb2_sync_hdr sync_hdr; 476 __le16 StructureSize; /* Must be 25 */ 477 __u8 Flags; 478 __u8 SecurityMode; 479 __le32 Capabilities; 480 __le32 Channel; 481 __le16 SecurityBufferOffset; 482 __le16 SecurityBufferLength; 483 __u64 PreviousSessionId; 484 __u8 Buffer[]; /* variable length GSS security buffer */ 485 } __packed; 486 487 /* Currently defined SessionFlags */ 488 #define SMB2_SESSION_FLAG_IS_GUEST 0x0001 489 #define SMB2_SESSION_FLAG_IS_NULL 0x0002 490 #define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004 491 struct smb2_sess_setup_rsp { 492 struct smb2_sync_hdr sync_hdr; 493 __le16 StructureSize; /* Must be 9 */ 494 __le16 SessionFlags; 495 __le16 SecurityBufferOffset; 496 __le16 SecurityBufferLength; 497 __u8 Buffer[]; /* variable length GSS security buffer */ 498 } __packed; 499 500 struct smb2_logoff_req { 501 struct smb2_sync_hdr sync_hdr; 502 __le16 StructureSize; /* Must be 4 */ 503 __le16 Reserved; 504 } __packed; 505 506 struct smb2_logoff_rsp { 507 struct smb2_sync_hdr sync_hdr; 508 __le16 StructureSize; /* Must be 4 */ 509 __le16 Reserved; 510 } __packed; 511 512 /* Flags/Reserved for SMB3.1.1 */ 513 #define SMB2_TREE_CONNECT_FLAG_CLUSTER_RECONNECT cpu_to_le16(0x0001) 514 #define SMB2_TREE_CONNECT_FLAG_REDIRECT_TO_OWNER cpu_to_le16(0x0002) 515 #define SMB2_TREE_CONNECT_FLAG_EXTENSION_PRESENT cpu_to_le16(0x0004) 516 517 struct smb2_tree_connect_req { 518 struct smb2_sync_hdr sync_hdr; 519 __le16 StructureSize; /* Must be 9 */ 520 __le16 Flags; /* Reserved MBZ for dialects prior to SMB3.1.1 */ 521 __le16 PathOffset; 522 __le16 PathLength; 523 __u8 Buffer[]; /* variable length */ 524 } __packed; 525 526 /* See MS-SMB2 section 2.2.9.2 */ 527 /* Context Types */ 528 #define SMB2_RESERVED_TREE_CONNECT_CONTEXT_ID 0x0000 529 #define SMB2_REMOTED_IDENTITY_TREE_CONNECT_CONTEXT_ID cpu_to_le16(0x0001) 530 531 struct tree_connect_contexts { 532 __le16 ContextType; 533 __le16 DataLength; 534 __le32 Reserved; 535 __u8 Data[]; 536 } __packed; 537 538 /* Remoted identity tree connect context structures - see MS-SMB2 2.2.9.2.1 */ 539 struct smb3_blob_data { 540 __le16 BlobSize; 541 __u8 BlobData[]; 542 } __packed; 543 544 /* Valid values for Attr */ 545 #define SE_GROUP_MANDATORY 0x00000001 546 #define SE_GROUP_ENABLED_BY_DEFAULT 0x00000002 547 #define SE_GROUP_ENABLED 0x00000004 548 #define SE_GROUP_OWNER 0x00000008 549 #define SE_GROUP_USE_FOR_DENY_ONLY 0x00000010 550 #define SE_GROUP_INTEGRITY 0x00000020 551 #define SE_GROUP_INTEGRITY_ENABLED 0x00000040 552 #define SE_GROUP_RESOURCE 0x20000000 553 #define SE_GROUP_LOGON_ID 0xC0000000 554 555 /* struct sid_attr_data is SidData array in BlobData format then le32 Attr */ 556 557 struct sid_array_data { 558 __le16 SidAttrCount; 559 /* SidAttrList - array of sid_attr_data structs */ 560 } __packed; 561 562 struct luid_attr_data { 563 564 } __packed; 565 566 /* 567 * struct privilege_data is the same as BLOB_DATA - see MS-SMB2 2.2.9.2.1.5 568 * but with size of LUID_ATTR_DATA struct and BlobData set to LUID_ATTR DATA 569 */ 570 571 struct privilege_array_data { 572 __le16 PrivilegeCount; 573 /* array of privilege_data structs */ 574 } __packed; 575 576 struct remoted_identity_tcon_context { 577 __le16 TicketType; /* must be 0x0001 */ 578 __le16 TicketSize; /* total size of this struct */ 579 __le16 User; /* offset to SID_ATTR_DATA struct with user info */ 580 __le16 UserName; /* offset to null terminated Unicode username string */ 581 __le16 Domain; /* offset to null terminated Unicode domain name */ 582 __le16 Groups; /* offset to SID_ARRAY_DATA struct with group info */ 583 __le16 RestrictedGroups; /* similar to above */ 584 __le16 Privileges; /* offset to PRIVILEGE_ARRAY_DATA struct */ 585 __le16 PrimaryGroup; /* offset to SID_ARRAY_DATA struct */ 586 __le16 Owner; /* offset to BLOB_DATA struct */ 587 __le16 DefaultDacl; /* offset to BLOB_DATA struct */ 588 __le16 DeviceGroups; /* offset to SID_ARRAY_DATA struct */ 589 __le16 UserClaims; /* offset to BLOB_DATA struct */ 590 __le16 DeviceClaims; /* offset to BLOB_DATA struct */ 591 __u8 TicketInfo[]; /* variable length buf - remoted identity data */ 592 } __packed; 593 594 struct smb2_tree_connect_req_extension { 595 __le32 TreeConnectContextOffset; 596 __le16 TreeConnectContextCount; 597 __u8 Reserved[10]; 598 __u8 PathName[]; /* variable sized array */ 599 /* followed by array of TreeConnectContexts */ 600 } __packed; 601 602 struct smb2_tree_connect_rsp { 603 struct smb2_sync_hdr sync_hdr; 604 __le16 StructureSize; /* Must be 16 */ 605 __u8 ShareType; /* see below */ 606 __u8 Reserved; 607 __le32 ShareFlags; /* see below */ 608 __le32 Capabilities; /* see below */ 609 __le32 MaximalAccess; 610 } __packed; 611 612 /* Possible ShareType values */ 613 #define SMB2_SHARE_TYPE_DISK 0x01 614 #define SMB2_SHARE_TYPE_PIPE 0x02 615 #define SMB2_SHARE_TYPE_PRINT 0x03 616 617 /* 618 * Possible ShareFlags - exactly one and only one of the first 4 caching flags 619 * must be set (any of the remaining, SHI1005, flags may be set individually 620 * or in combination. 621 */ 622 #define SMB2_SHAREFLAG_MANUAL_CACHING 0x00000000 623 #define SMB2_SHAREFLAG_AUTO_CACHING 0x00000010 624 #define SMB2_SHAREFLAG_VDO_CACHING 0x00000020 625 #define SMB2_SHAREFLAG_NO_CACHING 0x00000030 626 #define SHI1005_FLAGS_DFS 0x00000001 627 #define SHI1005_FLAGS_DFS_ROOT 0x00000002 628 #define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS 0x00000100 629 #define SHI1005_FLAGS_FORCE_SHARED_DELETE 0x00000200 630 #define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING 0x00000400 631 #define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM 0x00000800 632 #define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK 0x00001000 633 #define SHI1005_FLAGS_ENABLE_HASH_V1 0x00002000 634 #define SHI1005_FLAGS_ENABLE_HASH_V2 0x00004000 635 #define SHI1005_FLAGS_ENCRYPT_DATA 0x00008000 636 #define SMB2_SHAREFLAG_IDENTITY_REMOTING 0x00040000 /* 3.1.1 */ 637 #define SHI1005_FLAGS_ALL 0x0004FF33 638 639 /* Possible share capabilities */ 640 #define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) /* all dialects */ 641 #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */ 642 #define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */ 643 #define SMB2_SHARE_CAP_CLUSTER cpu_to_le32(0x00000040) /* 3.0 */ 644 #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */ 645 #define SMB2_SHARE_CAP_REDIRECT_TO_OWNER cpu_to_le32(0x00000100) /* 3.1.1 */ 646 647 struct smb2_tree_disconnect_req { 648 struct smb2_sync_hdr sync_hdr; 649 __le16 StructureSize; /* Must be 4 */ 650 __le16 Reserved; 651 } __packed; 652 653 struct smb2_tree_disconnect_rsp { 654 struct smb2_sync_hdr sync_hdr; 655 __le16 StructureSize; /* Must be 4 */ 656 __le16 Reserved; 657 } __packed; 658 659 /* File Attrubutes */ 660 #define FILE_ATTRIBUTE_READONLY 0x00000001 661 #define FILE_ATTRIBUTE_HIDDEN 0x00000002 662 #define FILE_ATTRIBUTE_SYSTEM 0x00000004 663 #define FILE_ATTRIBUTE_DIRECTORY 0x00000010 664 #define FILE_ATTRIBUTE_ARCHIVE 0x00000020 665 #define FILE_ATTRIBUTE_NORMAL 0x00000080 666 #define FILE_ATTRIBUTE_TEMPORARY 0x00000100 667 #define FILE_ATTRIBUTE_SPARSE_FILE 0x00000200 668 #define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400 669 #define FILE_ATTRIBUTE_COMPRESSED 0x00000800 670 #define FILE_ATTRIBUTE_OFFLINE 0x00001000 671 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x00002000 672 #define FILE_ATTRIBUTE_ENCRYPTED 0x00004000 673 #define FILE_ATTRIBUTE_INTEGRITY_STREAM 0x00008000 674 #define FILE_ATTRIBUTE_NO_SCRUB_DATA 0x00020000 675 676 /* Oplock levels */ 677 #define SMB2_OPLOCK_LEVEL_NONE 0x00 678 #define SMB2_OPLOCK_LEVEL_II 0x01 679 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08 680 #define SMB2_OPLOCK_LEVEL_BATCH 0x09 681 #define SMB2_OPLOCK_LEVEL_LEASE 0xFF 682 /* Non-spec internal type */ 683 #define SMB2_OPLOCK_LEVEL_NOCHANGE 0x99 684 685 /* Desired Access Flags */ 686 #define FILE_READ_DATA_LE cpu_to_le32(0x00000001) 687 #define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002) 688 #define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004) 689 #define FILE_READ_EA_LE cpu_to_le32(0x00000008) 690 #define FILE_WRITE_EA_LE cpu_to_le32(0x00000010) 691 #define FILE_EXECUTE_LE cpu_to_le32(0x00000020) 692 #define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080) 693 #define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100) 694 #define FILE_DELETE_LE cpu_to_le32(0x00010000) 695 #define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000) 696 #define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000) 697 #define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000) 698 #define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000) 699 #define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000) 700 #define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000) 701 #define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000) 702 #define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000) 703 #define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000) 704 #define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000) 705 706 /* ShareAccess Flags */ 707 #define FILE_SHARE_READ_LE cpu_to_le32(0x00000001) 708 #define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002) 709 #define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004) 710 #define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007) 711 712 /* CreateDisposition Flags */ 713 #define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000) 714 #define FILE_OPEN_LE cpu_to_le32(0x00000001) 715 #define FILE_CREATE_LE cpu_to_le32(0x00000002) 716 #define FILE_OPEN_IF_LE cpu_to_le32(0x00000003) 717 #define FILE_OVERWRITE_LE cpu_to_le32(0x00000004) 718 #define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005) 719 720 /* CreateOptions Flags */ 721 #define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001) 722 /* same as #define CREATE_NOT_FILE_LE cpu_to_le32(0x00000001) */ 723 #define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002) 724 #define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004) 725 #define FILE_NO_INTERMEDIATE_BUFFERRING_LE cpu_to_le32(0x00000008) 726 #define FILE_SYNCHRONOUS_IO_ALERT_LE cpu_to_le32(0x00000010) 727 #define FILE_SYNCHRONOUS_IO_NON_ALERT_LE cpu_to_le32(0x00000020) 728 #define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040) 729 #define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100) 730 #define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200) 731 #define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800) 732 #define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000) 733 #define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000) 734 #define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000) 735 #define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000) 736 #define FILE_RESERVE_OPFILTER_LE cpu_to_le32(0x00100000) 737 #define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000) 738 #define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000) 739 #define FILE_OPEN_FOR_FREE_SPACE_QUERY_LE cpu_to_le32(0x00800000) 740 741 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \ 742 | FILE_READ_ATTRIBUTES_LE) 743 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \ 744 | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE) 745 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE) 746 747 /* Impersonation Levels. See MS-WPO section 9.7 and MSDN-IMPERS */ 748 #define IL_ANONYMOUS cpu_to_le32(0x00000000) 749 #define IL_IDENTIFICATION cpu_to_le32(0x00000001) 750 #define IL_IMPERSONATION cpu_to_le32(0x00000002) 751 #define IL_DELEGATE cpu_to_le32(0x00000003) 752 753 /* Create Context Values */ 754 #define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */ 755 #define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */ 756 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ" 757 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC" 758 #define SMB2_CREATE_ALLOCATION_SIZE "AlSi" 759 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc" 760 #define SMB2_CREATE_TIMEWARP_REQUEST "TWrp" 761 #define SMB2_CREATE_QUERY_ON_DISK_ID "QFid" 762 #define SMB2_CREATE_REQUEST_LEASE "RqLs" 763 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q" 764 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C" 765 #define SMB2_CREATE_APP_INSTANCE_ID 0x45BCA66AEFA7F74A9008FA462E144D74 766 #define SMB2_CREATE_APP_INSTANCE_VERSION 0xB982D0B73B56074FA07B524A8116A010 767 #define SVHDX_OPEN_DEVICE_CONTEX 0x9CCBCF9E04C1E643980E158DA1F6EC83 768 #define SMB2_CREATE_TAG_POSIX 0x93AD25509CB411E7B42383DE968BCD7C 769 770 /* Flag (SMB3 open response) values */ 771 #define SMB2_CREATE_FLAG_REPARSEPOINT 0x01 772 773 /* 774 * Maximum number of iovs we need for an open/create request. 775 * [0] : struct smb2_create_req 776 * [1] : path 777 * [2] : lease context 778 * [3] : durable context 779 * [4] : posix context 780 * [5] : time warp context 781 * [6] : query id context 782 * [7] : compound padding 783 */ 784 #define SMB2_CREATE_IOV_SIZE 8 785 786 struct smb2_create_req { 787 struct smb2_sync_hdr sync_hdr; 788 __le16 StructureSize; /* Must be 57 */ 789 __u8 SecurityFlags; 790 __u8 RequestedOplockLevel; 791 __le32 ImpersonationLevel; 792 __le64 SmbCreateFlags; 793 __le64 Reserved; 794 __le32 DesiredAccess; 795 __le32 FileAttributes; 796 __le32 ShareAccess; 797 __le32 CreateDisposition; 798 __le32 CreateOptions; 799 __le16 NameOffset; 800 __le16 NameLength; 801 __le32 CreateContextsOffset; 802 __le32 CreateContextsLength; 803 __u8 Buffer[]; 804 } __packed; 805 806 /* 807 * Maximum size of a SMB2_CREATE response is 64 (smb2 header) + 808 * 88 (fixed part of create response) + 520 (path) + 208 (contexts) + 809 * 2 bytes of padding. 810 */ 811 #define MAX_SMB2_CREATE_RESPONSE_SIZE 880 812 813 struct smb2_create_rsp { 814 struct smb2_sync_hdr sync_hdr; 815 __le16 StructureSize; /* Must be 89 */ 816 __u8 OplockLevel; 817 __u8 Flag; /* 0x01 if reparse point */ 818 __le32 CreateAction; 819 __le64 CreationTime; 820 __le64 LastAccessTime; 821 __le64 LastWriteTime; 822 __le64 ChangeTime; 823 __le64 AllocationSize; 824 __le64 EndofFile; 825 __le32 FileAttributes; 826 __le32 Reserved2; 827 __u64 PersistentFileId; /* opaque endianness */ 828 __u64 VolatileFileId; /* opaque endianness */ 829 __le32 CreateContextsOffset; 830 __le32 CreateContextsLength; 831 __u8 Buffer[]; 832 } __packed; 833 834 struct create_context { 835 __le32 Next; 836 __le16 NameOffset; 837 __le16 NameLength; 838 __le16 Reserved; 839 __le16 DataOffset; 840 __le32 DataLength; 841 __u8 Buffer[]; 842 } __packed; 843 844 #define SMB2_LEASE_READ_CACHING_HE 0x01 845 #define SMB2_LEASE_HANDLE_CACHING_HE 0x02 846 #define SMB2_LEASE_WRITE_CACHING_HE 0x04 847 848 #define SMB2_LEASE_NONE cpu_to_le32(0x00) 849 #define SMB2_LEASE_READ_CACHING cpu_to_le32(0x01) 850 #define SMB2_LEASE_HANDLE_CACHING cpu_to_le32(0x02) 851 #define SMB2_LEASE_WRITE_CACHING cpu_to_le32(0x04) 852 853 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS cpu_to_le32(0x00000002) 854 #define SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET cpu_to_le32(0x00000004) 855 856 #define SMB2_LEASE_KEY_SIZE 16 857 858 struct lease_context { 859 u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 860 __le32 LeaseState; 861 __le32 LeaseFlags; 862 __le64 LeaseDuration; 863 } __packed; 864 865 struct lease_context_v2 { 866 u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 867 __le32 LeaseState; 868 __le32 LeaseFlags; 869 __le64 LeaseDuration; 870 __le64 ParentLeaseKeyLow; 871 __le64 ParentLeaseKeyHigh; 872 __le16 Epoch; 873 __le16 Reserved; 874 } __packed; 875 876 struct create_lease { 877 struct create_context ccontext; 878 __u8 Name[8]; 879 struct lease_context lcontext; 880 } __packed; 881 882 struct create_lease_v2 { 883 struct create_context ccontext; 884 __u8 Name[8]; 885 struct lease_context_v2 lcontext; 886 __u8 Pad[4]; 887 } __packed; 888 889 struct create_durable { 890 struct create_context ccontext; 891 __u8 Name[8]; 892 union { 893 __u8 Reserved[16]; 894 struct { 895 __u64 PersistentFileId; 896 __u64 VolatileFileId; 897 } Fid; 898 } Data; 899 } __packed; 900 901 struct create_posix { 902 struct create_context ccontext; 903 __u8 Name[16]; 904 __le32 Mode; 905 __u32 Reserved; 906 } __packed; 907 908 /* See MS-SMB2 2.2.13.2.11 */ 909 /* Flags */ 910 #define SMB2_DHANDLE_FLAG_PERSISTENT 0x00000002 911 struct durable_context_v2 { 912 __le32 Timeout; 913 __le32 Flags; 914 __u64 Reserved; 915 __u8 CreateGuid[16]; 916 } __packed; 917 918 struct create_durable_v2 { 919 struct create_context ccontext; 920 __u8 Name[8]; 921 struct durable_context_v2 dcontext; 922 } __packed; 923 924 /* See MS-SMB2 2.2.13.2.12 */ 925 struct durable_reconnect_context_v2 { 926 struct { 927 __u64 PersistentFileId; 928 __u64 VolatileFileId; 929 } Fid; 930 __u8 CreateGuid[16]; 931 __le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */ 932 } __packed; 933 934 /* See MS-SMB2 2.2.14.2.9 */ 935 struct create_on_disk_id { 936 struct create_context ccontext; 937 __u8 Name[8]; 938 __le64 DiskFileId; 939 __le64 VolumeId; 940 __u32 Reserved[4]; 941 } __packed; 942 943 /* See MS-SMB2 2.2.14.2.12 */ 944 struct durable_reconnect_context_v2_rsp { 945 __le32 Timeout; 946 __le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */ 947 } __packed; 948 949 struct create_durable_handle_reconnect_v2 { 950 struct create_context ccontext; 951 __u8 Name[8]; 952 struct durable_reconnect_context_v2 dcontext; 953 __u8 Pad[4]; 954 } __packed; 955 956 /* See MS-SMB2 2.2.13.2.5 */ 957 struct crt_twarp_ctxt { 958 struct create_context ccontext; 959 __u8 Name[8]; 960 __le64 Timestamp; 961 962 } __packed; 963 964 /* See MS-SMB2 2.2.13.2.9 */ 965 struct crt_query_id_ctxt { 966 struct create_context ccontext; 967 __u8 Name[8]; 968 } __packed; 969 970 struct crt_sd_ctxt { 971 struct create_context ccontext; 972 __u8 Name[8]; 973 struct smb3_sd sd; 974 } __packed; 975 976 977 #define COPY_CHUNK_RES_KEY_SIZE 24 978 struct resume_key_req { 979 char ResumeKey[COPY_CHUNK_RES_KEY_SIZE]; 980 __le32 ContextLength; /* MBZ */ 981 char Context[]; /* ignored, Windows sets to 4 bytes of zero */ 982 } __packed; 983 984 /* this goes in the ioctl buffer when doing a copychunk request */ 985 struct copychunk_ioctl { 986 char SourceKey[COPY_CHUNK_RES_KEY_SIZE]; 987 __le32 ChunkCount; /* we are only sending 1 */ 988 __le32 Reserved; 989 /* array will only be one chunk long for us */ 990 __le64 SourceOffset; 991 __le64 TargetOffset; 992 __le32 Length; /* how many bytes to copy */ 993 __u32 Reserved2; 994 } __packed; 995 996 /* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */ 997 struct file_zero_data_information { 998 __le64 FileOffset; 999 __le64 BeyondFinalZero; 1000 } __packed; 1001 1002 struct copychunk_ioctl_rsp { 1003 __le32 ChunksWritten; 1004 __le32 ChunkBytesWritten; 1005 __le32 TotalBytesWritten; 1006 } __packed; 1007 1008 /* See MS-FSCC 2.3.29 and 2.3.30 */ 1009 struct get_retrieval_pointer_count_req { 1010 __le64 StartingVcn; /* virtual cluster number (signed) */ 1011 } __packed; 1012 1013 struct get_retrieval_pointer_count_rsp { 1014 __le32 ExtentCount; 1015 } __packed; 1016 1017 /* 1018 * See MS-FSCC 2.3.33 and 2.3.34 1019 * request is the same as get_retrieval_point_count_req struct above 1020 */ 1021 struct smb3_extents { 1022 __le64 NextVcn; 1023 __le64 Lcn; /* logical cluster number */ 1024 } __packed; 1025 1026 struct get_retrieval_pointers_refcount_rsp { 1027 __le32 ExtentCount; 1028 __u32 Reserved; 1029 __le64 StartingVcn; 1030 struct smb3_extents extents[]; 1031 } __packed; 1032 1033 struct fsctl_set_integrity_information_req { 1034 __le16 ChecksumAlgorithm; 1035 __le16 Reserved; 1036 __le32 Flags; 1037 } __packed; 1038 1039 struct fsctl_get_integrity_information_rsp { 1040 __le16 ChecksumAlgorithm; 1041 __le16 Reserved; 1042 __le32 Flags; 1043 __le32 ChecksumChunkSizeInBytes; 1044 __le32 ClusterSizeInBytes; 1045 } __packed; 1046 1047 struct file_allocated_range_buffer { 1048 __le64 file_offset; 1049 __le64 length; 1050 } __packed; 1051 1052 /* Integrity ChecksumAlgorithm choices for above */ 1053 #define CHECKSUM_TYPE_NONE 0x0000 1054 #define CHECKSUM_TYPE_CRC64 0x0002 1055 #define CHECKSUM_TYPE_UNCHANGED 0xFFFF /* set only */ 1056 1057 /* Integrity flags for above */ 1058 #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x00000001 1059 1060 /* Reparse structures - see MS-FSCC 2.1.2 */ 1061 1062 /* struct fsctl_reparse_info_req is empty, only response structs (see below) */ 1063 1064 struct reparse_data_buffer { 1065 __le32 ReparseTag; 1066 __le16 ReparseDataLength; 1067 __u16 Reserved; 1068 __u8 DataBuffer[]; /* Variable Length */ 1069 } __packed; 1070 1071 struct reparse_guid_data_buffer { 1072 __le32 ReparseTag; 1073 __le16 ReparseDataLength; 1074 __u16 Reserved; 1075 __u8 ReparseGuid[16]; 1076 __u8 DataBuffer[]; /* Variable Length */ 1077 } __packed; 1078 1079 struct reparse_mount_point_data_buffer { 1080 __le32 ReparseTag; 1081 __le16 ReparseDataLength; 1082 __u16 Reserved; 1083 __le16 SubstituteNameOffset; 1084 __le16 SubstituteNameLength; 1085 __le16 PrintNameOffset; 1086 __le16 PrintNameLength; 1087 __u8 PathBuffer[]; /* Variable Length */ 1088 } __packed; 1089 1090 #define SYMLINK_FLAG_RELATIVE 0x00000001 1091 1092 struct reparse_symlink_data_buffer { 1093 __le32 ReparseTag; 1094 __le16 ReparseDataLength; 1095 __u16 Reserved; 1096 __le16 SubstituteNameOffset; 1097 __le16 SubstituteNameLength; 1098 __le16 PrintNameOffset; 1099 __le16 PrintNameLength; 1100 __le32 Flags; 1101 __u8 PathBuffer[]; /* Variable Length */ 1102 } __packed; 1103 1104 /* See MS-FSCC 2.1.2.6 and cifspdu.h for struct reparse_posix_data */ 1105 1106 1107 /* See MS-DFSC 2.2.2 */ 1108 struct fsctl_get_dfs_referral_req { 1109 __le16 MaxReferralLevel; 1110 __u8 RequestFileName[]; 1111 } __packed; 1112 1113 /* DFS response is struct get_dfs_refer_rsp */ 1114 1115 /* See MS-SMB2 2.2.31.3 */ 1116 struct network_resiliency_req { 1117 __le32 Timeout; 1118 __le32 Reserved; 1119 } __packed; 1120 /* There is no buffer for the response ie no struct network_resiliency_rsp */ 1121 1122 1123 struct validate_negotiate_info_req { 1124 __le32 Capabilities; 1125 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1126 __le16 SecurityMode; 1127 __le16 DialectCount; 1128 __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */ 1129 } __packed; 1130 1131 struct validate_negotiate_info_rsp { 1132 __le32 Capabilities; 1133 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1134 __le16 SecurityMode; 1135 __le16 Dialect; /* Dialect in use for the connection */ 1136 } __packed; 1137 1138 #define RSS_CAPABLE cpu_to_le32(0x00000001) 1139 #define RDMA_CAPABLE cpu_to_le32(0x00000002) 1140 1141 #define INTERNETWORK cpu_to_le16(0x0002) 1142 #define INTERNETWORKV6 cpu_to_le16(0x0017) 1143 1144 struct network_interface_info_ioctl_rsp { 1145 __le32 Next; /* next interface. zero if this is last one */ 1146 __le32 IfIndex; 1147 __le32 Capability; /* RSS or RDMA Capable */ 1148 __le32 Reserved; 1149 __le64 LinkSpeed; 1150 __le16 Family; 1151 __u8 Buffer[126]; 1152 } __packed; 1153 1154 struct iface_info_ipv4 { 1155 __be16 Port; 1156 __be32 IPv4Address; 1157 __be64 Reserved; 1158 } __packed; 1159 1160 struct iface_info_ipv6 { 1161 __be16 Port; 1162 __be32 FlowInfo; 1163 __u8 IPv6Address[16]; 1164 __be32 ScopeId; 1165 } __packed; 1166 1167 #define NO_FILE_ID 0xFFFFFFFFFFFFFFFFULL /* general ioctls to srv not to file */ 1168 1169 struct compress_ioctl { 1170 __le16 CompressionState; /* See cifspdu.h for possible flag values */ 1171 } __packed; 1172 1173 struct duplicate_extents_to_file { 1174 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 1175 __u64 VolatileFileHandle; 1176 __le64 SourceFileOffset; 1177 __le64 TargetFileOffset; 1178 __le64 ByteCount; /* Bytes to be copied */ 1179 } __packed; 1180 1181 /* 1182 * Maximum number of iovs we need for an ioctl request. 1183 * [0] : struct smb2_ioctl_req 1184 * [1] : in_data 1185 */ 1186 #define SMB2_IOCTL_IOV_SIZE 2 1187 1188 struct smb2_ioctl_req { 1189 struct smb2_sync_hdr sync_hdr; 1190 __le16 StructureSize; /* Must be 57 */ 1191 __u16 Reserved; 1192 __le32 CtlCode; 1193 __u64 PersistentFileId; /* opaque endianness */ 1194 __u64 VolatileFileId; /* opaque endianness */ 1195 __le32 InputOffset; 1196 __le32 InputCount; 1197 __le32 MaxInputResponse; 1198 __le32 OutputOffset; 1199 __le32 OutputCount; 1200 __le32 MaxOutputResponse; 1201 __le32 Flags; 1202 __u32 Reserved2; 1203 __u8 Buffer[]; 1204 } __packed; 1205 1206 struct smb2_ioctl_rsp { 1207 struct smb2_sync_hdr sync_hdr; 1208 __le16 StructureSize; /* Must be 57 */ 1209 __u16 Reserved; 1210 __le32 CtlCode; 1211 __u64 PersistentFileId; /* opaque endianness */ 1212 __u64 VolatileFileId; /* opaque endianness */ 1213 __le32 InputOffset; 1214 __le32 InputCount; 1215 __le32 OutputOffset; 1216 __le32 OutputCount; 1217 __le32 Flags; 1218 __u32 Reserved2; 1219 /* char * buffer[] */ 1220 } __packed; 1221 1222 /* Currently defined values for close flags */ 1223 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001) 1224 struct smb2_close_req { 1225 struct smb2_sync_hdr sync_hdr; 1226 __le16 StructureSize; /* Must be 24 */ 1227 __le16 Flags; 1228 __le32 Reserved; 1229 __u64 PersistentFileId; /* opaque endianness */ 1230 __u64 VolatileFileId; /* opaque endianness */ 1231 } __packed; 1232 1233 /* 1234 * Maximum size of a SMB2_CLOSE response is 64 (smb2 header) + 60 (data) 1235 */ 1236 #define MAX_SMB2_CLOSE_RESPONSE_SIZE 124 1237 1238 struct smb2_close_rsp { 1239 struct smb2_sync_hdr sync_hdr; 1240 __le16 StructureSize; /* 60 */ 1241 __le16 Flags; 1242 __le32 Reserved; 1243 __le64 CreationTime; 1244 __le64 LastAccessTime; 1245 __le64 LastWriteTime; 1246 __le64 ChangeTime; 1247 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 1248 __le64 EndOfFile; 1249 __le32 Attributes; 1250 } __packed; 1251 1252 struct smb2_flush_req { 1253 struct smb2_sync_hdr sync_hdr; 1254 __le16 StructureSize; /* Must be 24 */ 1255 __le16 Reserved1; 1256 __le32 Reserved2; 1257 __u64 PersistentFileId; /* opaque endianness */ 1258 __u64 VolatileFileId; /* opaque endianness */ 1259 } __packed; 1260 1261 struct smb2_flush_rsp { 1262 struct smb2_sync_hdr sync_hdr; 1263 __le16 StructureSize; 1264 __le16 Reserved; 1265 } __packed; 1266 1267 /* For read request Flags field below, following flag is defined for SMB3.02 */ 1268 #define SMB2_READFLAG_READ_UNBUFFERED 0x01 1269 #define SMB2_READFLAG_REQUEST_COMPRESSED 0x02 /* See MS-SMB2 2.2.19 */ 1270 1271 /* Channel field for read and write: exactly one of following flags can be set*/ 1272 #define SMB2_CHANNEL_NONE cpu_to_le32(0x00000000) 1273 #define SMB2_CHANNEL_RDMA_V1 cpu_to_le32(0x00000001) /* SMB3 or later */ 1274 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) /* >= SMB3.02 */ 1275 #define SMB2_CHANNEL_RDMA_TRANSFORM cpu_to_le32(0x00000003) /* >= SMB3.02, only used on write */ 1276 1277 /* SMB2 read request without RFC1001 length at the beginning */ 1278 struct smb2_read_plain_req { 1279 struct smb2_sync_hdr sync_hdr; 1280 __le16 StructureSize; /* Must be 49 */ 1281 __u8 Padding; /* offset from start of SMB2 header to place read */ 1282 __u8 Flags; /* MBZ unless SMB3.02 or later */ 1283 __le32 Length; 1284 __le64 Offset; 1285 __u64 PersistentFileId; /* opaque endianness */ 1286 __u64 VolatileFileId; /* opaque endianness */ 1287 __le32 MinimumCount; 1288 __le32 Channel; /* MBZ except for SMB3 or later */ 1289 __le32 RemainingBytes; 1290 __le16 ReadChannelInfoOffset; 1291 __le16 ReadChannelInfoLength; 1292 __u8 Buffer[]; 1293 } __packed; 1294 1295 /* Read flags */ 1296 #define SMB2_READFLAG_RESPONSE_NONE 0x00000000 1297 #define SMB2_READFLAG_RESPONSE_RDMA_TRANSFORM 0x00000001 1298 1299 struct smb2_read_rsp { 1300 struct smb2_sync_hdr sync_hdr; 1301 __le16 StructureSize; /* Must be 17 */ 1302 __u8 DataOffset; 1303 __u8 Reserved; 1304 __le32 DataLength; 1305 __le32 DataRemaining; 1306 __u32 Flags; 1307 __u8 Buffer[]; 1308 } __packed; 1309 1310 /* For write request Flags field below the following flags are defined: */ 1311 #define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 /* SMB2.1 or later */ 1312 #define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002 /* SMB3.02 or later */ 1313 1314 struct smb2_write_req { 1315 struct smb2_sync_hdr sync_hdr; 1316 __le16 StructureSize; /* Must be 49 */ 1317 __le16 DataOffset; /* offset from start of SMB2 header to write data */ 1318 __le32 Length; 1319 __le64 Offset; 1320 __u64 PersistentFileId; /* opaque endianness */ 1321 __u64 VolatileFileId; /* opaque endianness */ 1322 __le32 Channel; /* MBZ unless SMB3.02 or later */ 1323 __le32 RemainingBytes; 1324 __le16 WriteChannelInfoOffset; 1325 __le16 WriteChannelInfoLength; 1326 __le32 Flags; 1327 __u8 Buffer[]; 1328 } __packed; 1329 1330 struct smb2_write_rsp { 1331 struct smb2_sync_hdr sync_hdr; 1332 __le16 StructureSize; /* Must be 17 */ 1333 __u8 DataOffset; 1334 __u8 Reserved; 1335 __le32 DataLength; 1336 __le32 DataRemaining; 1337 __u32 Reserved2; 1338 __u8 Buffer[]; 1339 } __packed; 1340 1341 /* notify flags */ 1342 #define SMB2_WATCH_TREE 0x0001 1343 1344 /* notify completion filter flags. See MS-FSCC 2.6 and MS-SMB2 2.2.35 */ 1345 #define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001 1346 #define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002 1347 #define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004 1348 #define FILE_NOTIFY_CHANGE_SIZE 0x00000008 1349 #define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010 1350 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020 1351 #define FILE_NOTIFY_CHANGE_CREATION 0x00000040 1352 #define FILE_NOTIFY_CHANGE_EA 0x00000080 1353 #define FILE_NOTIFY_CHANGE_SECURITY 0x00000100 1354 #define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200 1355 #define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400 1356 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800 1357 1358 struct smb2_change_notify_req { 1359 struct smb2_sync_hdr sync_hdr; 1360 __le16 StructureSize; 1361 __le16 Flags; 1362 __le32 OutputBufferLength; 1363 __u64 PersistentFileId; /* opaque endianness */ 1364 __u64 VolatileFileId; /* opaque endianness */ 1365 __le32 CompletionFilter; 1366 __u32 Reserved; 1367 } __packed; 1368 1369 struct smb2_change_notify_rsp { 1370 struct smb2_sync_hdr sync_hdr; 1371 __le16 StructureSize; /* Must be 9 */ 1372 __le16 OutputBufferOffset; 1373 __le32 OutputBufferLength; 1374 __u8 Buffer[]; /* array of file notify structs */ 1375 } __packed; 1376 1377 #define SMB2_LOCKFLAG_SHARED_LOCK 0x0001 1378 #define SMB2_LOCKFLAG_EXCLUSIVE_LOCK 0x0002 1379 #define SMB2_LOCKFLAG_UNLOCK 0x0004 1380 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY 0x0010 1381 1382 struct smb2_lock_element { 1383 __le64 Offset; 1384 __le64 Length; 1385 __le32 Flags; 1386 __le32 Reserved; 1387 } __packed; 1388 1389 struct smb2_lock_req { 1390 struct smb2_sync_hdr sync_hdr; 1391 __le16 StructureSize; /* Must be 48 */ 1392 __le16 LockCount; 1393 __le32 Reserved; 1394 __u64 PersistentFileId; /* opaque endianness */ 1395 __u64 VolatileFileId; /* opaque endianness */ 1396 /* Followed by at least one */ 1397 union { 1398 struct smb2_lock_element lock; 1399 DECLARE_FLEX_ARRAY(struct smb2_lock_element, locks); 1400 }; 1401 } __packed; 1402 1403 struct smb2_lock_rsp { 1404 struct smb2_sync_hdr sync_hdr; 1405 __le16 StructureSize; /* Must be 4 */ 1406 __le16 Reserved; 1407 } __packed; 1408 1409 struct smb2_echo_req { 1410 struct smb2_sync_hdr sync_hdr; 1411 __le16 StructureSize; /* Must be 4 */ 1412 __u16 Reserved; 1413 } __packed; 1414 1415 struct smb2_echo_rsp { 1416 struct smb2_sync_hdr sync_hdr; 1417 __le16 StructureSize; /* Must be 4 */ 1418 __u16 Reserved; 1419 } __packed; 1420 1421 /* search (query_directory) Flags field */ 1422 #define SMB2_RESTART_SCANS 0x01 1423 #define SMB2_RETURN_SINGLE_ENTRY 0x02 1424 #define SMB2_INDEX_SPECIFIED 0x04 1425 #define SMB2_REOPEN 0x10 1426 1427 #define SMB2_QUERY_DIRECTORY_IOV_SIZE 2 1428 1429 struct smb2_query_directory_req { 1430 struct smb2_sync_hdr sync_hdr; 1431 __le16 StructureSize; /* Must be 33 */ 1432 __u8 FileInformationClass; 1433 __u8 Flags; 1434 __le32 FileIndex; 1435 __u64 PersistentFileId; /* opaque endianness */ 1436 __u64 VolatileFileId; /* opaque endianness */ 1437 __le16 FileNameOffset; 1438 __le16 FileNameLength; 1439 __le32 OutputBufferLength; 1440 __u8 Buffer[]; 1441 } __packed; 1442 1443 struct smb2_query_directory_rsp { 1444 struct smb2_sync_hdr sync_hdr; 1445 __le16 StructureSize; /* Must be 9 */ 1446 __le16 OutputBufferOffset; 1447 __le32 OutputBufferLength; 1448 __u8 Buffer[]; 1449 } __packed; 1450 1451 /* Possible InfoType values */ 1452 #define SMB2_O_INFO_FILE 0x01 1453 #define SMB2_O_INFO_FILESYSTEM 0x02 1454 #define SMB2_O_INFO_SECURITY 0x03 1455 #define SMB2_O_INFO_QUOTA 0x04 1456 1457 /* Security info type additionalinfo flags. See MS-SMB2 (2.2.37) or MS-DTYP */ 1458 #define OWNER_SECINFO 0x00000001 1459 #define GROUP_SECINFO 0x00000002 1460 #define DACL_SECINFO 0x00000004 1461 #define SACL_SECINFO 0x00000008 1462 #define LABEL_SECINFO 0x00000010 1463 #define ATTRIBUTE_SECINFO 0x00000020 1464 #define SCOPE_SECINFO 0x00000040 1465 #define BACKUP_SECINFO 0x00010000 1466 #define UNPROTECTED_SACL_SECINFO 0x10000000 1467 #define UNPROTECTED_DACL_SECINFO 0x20000000 1468 #define PROTECTED_SACL_SECINFO 0x40000000 1469 #define PROTECTED_DACL_SECINFO 0x80000000 1470 1471 /* Flags used for FileFullEAinfo */ 1472 #define SL_RESTART_SCAN 0x00000001 1473 #define SL_RETURN_SINGLE_ENTRY 0x00000002 1474 #define SL_INDEX_SPECIFIED 0x00000004 1475 1476 struct smb2_query_info_req { 1477 struct smb2_sync_hdr sync_hdr; 1478 __le16 StructureSize; /* Must be 41 */ 1479 __u8 InfoType; 1480 __u8 FileInfoClass; 1481 __le32 OutputBufferLength; 1482 __le16 InputBufferOffset; 1483 __u16 Reserved; 1484 __le32 InputBufferLength; 1485 __le32 AdditionalInformation; 1486 __le32 Flags; 1487 __u64 PersistentFileId; /* opaque endianness */ 1488 __u64 VolatileFileId; /* opaque endianness */ 1489 __u8 Buffer[]; 1490 } __packed; 1491 1492 struct smb2_query_info_rsp { 1493 struct smb2_sync_hdr sync_hdr; 1494 __le16 StructureSize; /* Must be 9 */ 1495 __le16 OutputBufferOffset; 1496 __le32 OutputBufferLength; 1497 __u8 Buffer[]; 1498 } __packed; 1499 1500 /* 1501 * Maximum number of iovs we need for a set-info request. 1502 * The largest one is rename/hardlink 1503 * [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info 1504 * [1] : path 1505 * [2] : compound padding 1506 */ 1507 #define SMB2_SET_INFO_IOV_SIZE 3 1508 1509 struct smb2_set_info_req { 1510 struct smb2_sync_hdr sync_hdr; 1511 __le16 StructureSize; /* Must be 33 */ 1512 __u8 InfoType; 1513 __u8 FileInfoClass; 1514 __le32 BufferLength; 1515 __le16 BufferOffset; 1516 __u16 Reserved; 1517 __le32 AdditionalInformation; 1518 __u64 PersistentFileId; /* opaque endianness */ 1519 __u64 VolatileFileId; /* opaque endianness */ 1520 __u8 Buffer[]; 1521 } __packed; 1522 1523 struct smb2_set_info_rsp { 1524 struct smb2_sync_hdr sync_hdr; 1525 __le16 StructureSize; /* Must be 2 */ 1526 } __packed; 1527 1528 struct smb2_oplock_break { 1529 struct smb2_sync_hdr sync_hdr; 1530 __le16 StructureSize; /* Must be 24 */ 1531 __u8 OplockLevel; 1532 __u8 Reserved; 1533 __le32 Reserved2; 1534 __u64 PersistentFid; 1535 __u64 VolatileFid; 1536 } __packed; 1537 1538 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01) 1539 1540 struct smb2_lease_break { 1541 struct smb2_sync_hdr sync_hdr; 1542 __le16 StructureSize; /* Must be 44 */ 1543 __le16 Epoch; 1544 __le32 Flags; 1545 __u8 LeaseKey[16]; 1546 __le32 CurrentLeaseState; 1547 __le32 NewLeaseState; 1548 __le32 BreakReason; 1549 __le32 AccessMaskHint; 1550 __le32 ShareMaskHint; 1551 } __packed; 1552 1553 struct smb2_lease_ack { 1554 struct smb2_sync_hdr sync_hdr; 1555 __le16 StructureSize; /* Must be 36 */ 1556 __le16 Reserved; 1557 __le32 Flags; 1558 __u8 LeaseKey[16]; 1559 __le32 LeaseState; 1560 __le64 LeaseDuration; 1561 } __packed; 1562 1563 /* 1564 * PDU infolevel structure definitions 1565 * BB consider moving to a different header 1566 */ 1567 1568 /* File System Information Classes */ 1569 #define FS_VOLUME_INFORMATION 1 /* Query */ 1570 #define FS_LABEL_INFORMATION 2 /* Local only */ 1571 #define FS_SIZE_INFORMATION 3 /* Query */ 1572 #define FS_DEVICE_INFORMATION 4 /* Query */ 1573 #define FS_ATTRIBUTE_INFORMATION 5 /* Query */ 1574 #define FS_CONTROL_INFORMATION 6 /* Query, Set */ 1575 #define FS_FULL_SIZE_INFORMATION 7 /* Query */ 1576 #define FS_OBJECT_ID_INFORMATION 8 /* Query, Set */ 1577 #define FS_DRIVER_PATH_INFORMATION 9 /* Local only */ 1578 #define FS_VOLUME_FLAGS_INFORMATION 10 /* Local only */ 1579 #define FS_SECTOR_SIZE_INFORMATION 11 /* SMB3 or later. Query */ 1580 #define FS_POSIX_INFORMATION 100 /* SMB3.1.1 POSIX. Query */ 1581 1582 struct smb2_fs_full_size_info { 1583 __le64 TotalAllocationUnits; 1584 __le64 CallerAvailableAllocationUnits; 1585 __le64 ActualAvailableAllocationUnits; 1586 __le32 SectorsPerAllocationUnit; 1587 __le32 BytesPerSector; 1588 } __packed; 1589 1590 #define SSINFO_FLAGS_ALIGNED_DEVICE 0x00000001 1591 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002 1592 #define SSINFO_FLAGS_NO_SEEK_PENALTY 0x00000004 1593 #define SSINFO_FLAGS_TRIM_ENABLED 0x00000008 1594 1595 /* sector size info struct */ 1596 struct smb3_fs_ss_info { 1597 __le32 LogicalBytesPerSector; 1598 __le32 PhysicalBytesPerSectorForAtomicity; 1599 __le32 PhysicalBytesPerSectorForPerf; 1600 __le32 FileSystemEffectivePhysicalBytesPerSectorForAtomicity; 1601 __le32 Flags; 1602 __le32 ByteOffsetForSectorAlignment; 1603 __le32 ByteOffsetForPartitionAlignment; 1604 } __packed; 1605 1606 /* volume info struct - see MS-FSCC 2.5.9 */ 1607 #define MAX_VOL_LABEL_LEN 32 1608 struct smb3_fs_vol_info { 1609 __le64 VolumeCreationTime; 1610 __u32 VolumeSerialNumber; 1611 __le32 VolumeLabelLength; /* includes trailing null */ 1612 __u8 SupportsObjects; /* True if eg like NTFS, supports objects */ 1613 __u8 Reserved; 1614 __u8 VolumeLabel[]; /* variable len */ 1615 } __packed; 1616 1617 /* partial list of QUERY INFO levels */ 1618 #define FILE_DIRECTORY_INFORMATION 1 1619 #define FILE_FULL_DIRECTORY_INFORMATION 2 1620 #define FILE_BOTH_DIRECTORY_INFORMATION 3 1621 #define FILE_BASIC_INFORMATION 4 1622 #define FILE_STANDARD_INFORMATION 5 1623 #define FILE_INTERNAL_INFORMATION 6 1624 #define FILE_EA_INFORMATION 7 1625 #define FILE_ACCESS_INFORMATION 8 1626 #define FILE_NAME_INFORMATION 9 1627 #define FILE_RENAME_INFORMATION 10 1628 #define FILE_LINK_INFORMATION 11 1629 #define FILE_NAMES_INFORMATION 12 1630 #define FILE_DISPOSITION_INFORMATION 13 1631 #define FILE_POSITION_INFORMATION 14 1632 #define FILE_FULL_EA_INFORMATION 15 1633 #define FILE_MODE_INFORMATION 16 1634 #define FILE_ALIGNMENT_INFORMATION 17 1635 #define FILE_ALL_INFORMATION 18 1636 #define FILE_ALLOCATION_INFORMATION 19 1637 #define FILE_END_OF_FILE_INFORMATION 20 1638 #define FILE_ALTERNATE_NAME_INFORMATION 21 1639 #define FILE_STREAM_INFORMATION 22 1640 #define FILE_PIPE_INFORMATION 23 1641 #define FILE_PIPE_LOCAL_INFORMATION 24 1642 #define FILE_PIPE_REMOTE_INFORMATION 25 1643 #define FILE_MAILSLOT_QUERY_INFORMATION 26 1644 #define FILE_MAILSLOT_SET_INFORMATION 27 1645 #define FILE_COMPRESSION_INFORMATION 28 1646 #define FILE_OBJECT_ID_INFORMATION 29 1647 /* Number 30 not defined in documents */ 1648 #define FILE_MOVE_CLUSTER_INFORMATION 31 1649 #define FILE_QUOTA_INFORMATION 32 1650 #define FILE_REPARSE_POINT_INFORMATION 33 1651 #define FILE_NETWORK_OPEN_INFORMATION 34 1652 #define FILE_ATTRIBUTE_TAG_INFORMATION 35 1653 #define FILE_TRACKING_INFORMATION 36 1654 #define FILEID_BOTH_DIRECTORY_INFORMATION 37 1655 #define FILEID_FULL_DIRECTORY_INFORMATION 38 1656 #define FILE_VALID_DATA_LENGTH_INFORMATION 39 1657 #define FILE_SHORT_NAME_INFORMATION 40 1658 #define FILE_SFIO_RESERVE_INFORMATION 44 1659 #define FILE_SFIO_VOLUME_INFORMATION 45 1660 #define FILE_HARD_LINK_INFORMATION 46 1661 #define FILE_NORMALIZED_NAME_INFORMATION 48 1662 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50 1663 #define FILE_STANDARD_LINK_INFORMATION 54 1664 #define FILE_ID_INFORMATION 59 1665 1666 struct smb2_file_internal_info { 1667 __le64 IndexNumber; 1668 } __packed; /* level 6 Query */ 1669 1670 struct smb2_file_rename_info { /* encoding of request for level 10 */ 1671 __u8 ReplaceIfExists; /* 1 = replace existing target with new */ 1672 /* 0 = fail if target already exists */ 1673 __u8 Reserved[7]; 1674 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1675 __le32 FileNameLength; 1676 char FileName[]; /* New name to be assigned */ 1677 /* padding - overall struct size must be >= 24 so filename + pad >= 6 */ 1678 } __packed; /* level 10 Set */ 1679 1680 struct smb2_file_link_info { /* encoding of request for level 11 */ 1681 __u8 ReplaceIfExists; /* 1 = replace existing link with new */ 1682 /* 0 = fail if link already exists */ 1683 __u8 Reserved[7]; 1684 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1685 __le32 FileNameLength; 1686 char FileName[]; /* Name to be assigned to new link */ 1687 } __packed; /* level 11 Set */ 1688 1689 struct smb2_file_full_ea_info { /* encoding of response for level 15 */ 1690 __le32 next_entry_offset; 1691 __u8 flags; 1692 __u8 ea_name_length; 1693 __le16 ea_value_length; 1694 char ea_data[]; /* \0 terminated name plus value */ 1695 } __packed; /* level 15 Set */ 1696 1697 /* 1698 * This level 18, although with struct with same name is different from cifs 1699 * level 0x107. Level 0x107 has an extra u64 between AccessFlags and 1700 * CurrentByteOffset. 1701 */ 1702 struct smb2_file_all_info { /* data block encoding of response to level 18 */ 1703 __le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */ 1704 __le64 LastAccessTime; 1705 __le64 LastWriteTime; 1706 __le64 ChangeTime; 1707 __le32 Attributes; 1708 __u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */ 1709 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 1710 __le64 EndOfFile; /* size ie offset to first free byte in file */ 1711 __le32 NumberOfLinks; /* hard links */ 1712 __u8 DeletePending; 1713 __u8 Directory; 1714 __u16 Pad2; /* End of FILE_STANDARD_INFO equivalent */ 1715 __le64 IndexNumber; 1716 __le32 EASize; 1717 __le32 AccessFlags; 1718 __le64 CurrentByteOffset; 1719 __le32 Mode; 1720 __le32 AlignmentRequirement; 1721 __le32 FileNameLength; 1722 union { 1723 char __pad; /* Legacy structure padding */ 1724 DECLARE_FLEX_ARRAY(char, FileName); 1725 }; 1726 } __packed; /* level 18 Query */ 1727 1728 struct smb2_file_eof_info { /* encoding of request for level 10 */ 1729 __le64 EndOfFile; /* new end of file value */ 1730 } __packed; /* level 20 Set */ 1731 1732 struct smb2_file_reparse_point_info { 1733 __le64 IndexNumber; 1734 __le32 Tag; 1735 } __packed; 1736 1737 struct smb2_file_network_open_info { 1738 __le64 CreationTime; 1739 __le64 LastAccessTime; 1740 __le64 LastWriteTime; 1741 __le64 ChangeTime; 1742 __le64 AllocationSize; 1743 __le64 EndOfFile; 1744 __le32 Attributes; 1745 __le32 Reserved; 1746 } __packed; /* level 34 Query also similar returned in close rsp and open rsp */ 1747 1748 /* See MS-FSCC 2.4.43 */ 1749 struct smb2_file_id_information { 1750 __le64 VolumeSerialNumber; 1751 __u64 PersistentFileId; /* opaque endianness */ 1752 __u64 VolatileFileId; /* opaque endianness */ 1753 } __packed; /* level 59 */ 1754 1755 extern char smb2_padding[7]; 1756 1757 /* equivalent of the contents of SMB3.1.1 POSIX open context response */ 1758 struct create_posix_rsp { 1759 u32 nlink; 1760 u32 reparse_tag; 1761 u32 mode; 1762 struct cifs_sid owner; /* var-sized on the wire */ 1763 struct cifs_sid group; /* var-sized on the wire */ 1764 } __packed; 1765 1766 /* 1767 * SMB2-only POSIX info level for query dir 1768 * 1769 * See posix_info_sid_size(), posix_info_extra_size() and 1770 * posix_info_parse() to help with the handling of this struct. 1771 */ 1772 struct smb2_posix_info { 1773 __le32 NextEntryOffset; 1774 __u32 Ignored; 1775 __le64 CreationTime; 1776 __le64 LastAccessTime; 1777 __le64 LastWriteTime; 1778 __le64 ChangeTime; 1779 __le64 EndOfFile; 1780 __le64 AllocationSize; 1781 __le32 DosAttributes; 1782 __le64 Inode; 1783 __le32 DeviceId; 1784 __le32 Zero; 1785 /* beginning of POSIX Create Context Response */ 1786 __le32 HardLinks; 1787 __le32 ReparseTag; 1788 __le32 Mode; 1789 /* 1790 * var sized owner SID 1791 * var sized group SID 1792 * le32 filenamelength 1793 * u8 filename[] 1794 */ 1795 } __packed; 1796 1797 /* Level 100 query info */ 1798 struct smb311_posix_qinfo { 1799 __le64 CreationTime; 1800 __le64 LastAccessTime; 1801 __le64 LastWriteTime; 1802 __le64 ChangeTime; 1803 __le64 EndOfFile; 1804 __le64 AllocationSize; 1805 __le32 DosAttributes; 1806 __le64 Inode; 1807 __le32 DeviceId; 1808 __le32 Zero; 1809 /* beginning of POSIX Create Context Response */ 1810 __le32 HardLinks; 1811 __le32 ReparseTag; 1812 __le32 Mode; 1813 u8 Sids[]; 1814 /* 1815 * var sized owner SID 1816 * var sized group SID 1817 * le32 filenamelength 1818 * u8 filename[] 1819 */ 1820 } __packed; 1821 1822 /* 1823 * Parsed version of the above struct. Allows direct access to the 1824 * variable length fields 1825 */ 1826 struct smb2_posix_info_parsed { 1827 const struct smb2_posix_info *base; 1828 size_t size; 1829 struct cifs_sid owner; 1830 struct cifs_sid group; 1831 int name_len; 1832 const u8 *name; 1833 }; 1834 1835 #endif /* _SMB2PDU_H */ 1836