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[1]; /* 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[1]; /* One dialect (vers=) at a time for now */ 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_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 #define MIN_PREAUTH_CTXT_DATA_LEN (SMB311_SALT_SIZE + 6) 342 struct smb2_preauth_neg_context { 343 __le16 ContextType; /* 1 */ 344 __le16 DataLength; 345 __le32 Reserved; 346 __le16 HashAlgorithmCount; /* 1 */ 347 __le16 SaltLength; 348 __le16 HashAlgorithms; /* HashAlgorithms[0] since only one defined */ 349 __u8 Salt[SMB311_SALT_SIZE]; 350 } __packed; 351 352 /* Encryption Algorithms Ciphers */ 353 #define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001) 354 #define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002) 355 /* we currently do not request AES256_CCM since presumably GCM faster */ 356 #define SMB2_ENCRYPTION_AES256_CCM cpu_to_le16(0x0003) 357 #define SMB2_ENCRYPTION_AES256_GCM cpu_to_le16(0x0004) 358 359 /* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */ 360 #define MIN_ENCRYPT_CTXT_DATA_LEN 4 361 struct smb2_encryption_neg_context { 362 __le16 ContextType; /* 2 */ 363 __le16 DataLength; 364 __le32 Reserved; 365 /* CipherCount usally 2, but can be 3 when AES256-GCM enabled */ 366 __le16 CipherCount; /* AES128-GCM and AES128-CCM by default */ 367 __le16 Ciphers[3]; 368 } __packed; 369 370 /* See MS-SMB2 2.2.3.1.3 */ 371 #define SMB3_COMPRESS_NONE cpu_to_le16(0x0000) 372 #define SMB3_COMPRESS_LZNT1 cpu_to_le16(0x0001) 373 #define SMB3_COMPRESS_LZ77 cpu_to_le16(0x0002) 374 #define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003) 375 /* Pattern scanning algorithm See MS-SMB2 3.1.4.4.1 */ 376 #define SMB3_COMPRESS_PATTERN cpu_to_le16(0x0004) /* Pattern_V1 */ 377 378 /* Compression Flags */ 379 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_NONE cpu_to_le32(0x00000000) 380 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_CHAINED cpu_to_le32(0x00000001) 381 382 struct smb2_compression_capabilities_context { 383 __le16 ContextType; /* 3 */ 384 __le16 DataLength; 385 __u32 Reserved; 386 __le16 CompressionAlgorithmCount; 387 __u16 Padding; 388 __u32 Flags; 389 __le16 CompressionAlgorithms[3]; 390 } __packed; 391 392 /* 393 * For smb2_netname_negotiate_context_id See MS-SMB2 2.2.3.1.4. 394 * Its struct simply contains NetName, an array of Unicode characters 395 */ 396 struct smb2_netname_neg_context { 397 __le16 ContextType; /* 5 */ 398 __le16 DataLength; 399 __le32 Reserved; 400 __le16 NetName[]; /* hostname of target converted to UCS-2 */ 401 } __packed; 402 403 /* 404 * For rdma transform capabilities context see MS-SMB2 2.2.3.1.6 405 * and 2.2.4.1.5 406 */ 407 408 /* RDMA Transform IDs */ 409 #define SMB2_RDMA_TRANSFORM_NONE 0x0000 410 #define SMB2_RDMA_TRANSFORM_ENCRYPTION 0x0001 411 412 struct smb2_rdma_transform_capabilities_context { 413 __le16 ContextType; /* 7 */ 414 __le16 DataLength; 415 __u32 Reserved; 416 __le16 TransformCount; 417 __u16 Reserved1; 418 __u32 Reserved2; 419 __le16 RDMATransformIds[1]; 420 } __packed; 421 422 /* Signing algorithms */ 423 #define SIGNING_ALG_HMAC_SHA256 0 424 #define SIGNING_ALG_AES_CMAC 1 425 #define SIGNING_ALG_AES_GMAC 2 426 427 struct smb2_signing_capabilities { 428 __le16 ContextType; /* 8 */ 429 __le16 DataLength; 430 __u32 Reserved; 431 __le16 SigningAlgorithmCount; 432 __le16 SigningAlgorithms[]; 433 } __packed; 434 435 #define POSIX_CTXT_DATA_LEN 16 436 struct smb2_posix_neg_context { 437 __le16 ContextType; /* 0x100 */ 438 __le16 DataLength; 439 __le32 Reserved; 440 __u8 Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */ 441 } __packed; 442 443 struct smb2_negotiate_rsp { 444 struct smb2_sync_hdr sync_hdr; 445 __le16 StructureSize; /* Must be 65 */ 446 __le16 SecurityMode; 447 __le16 DialectRevision; 448 __le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */ 449 __u8 ServerGUID[16]; 450 __le32 Capabilities; 451 __le32 MaxTransactSize; 452 __le32 MaxReadSize; 453 __le32 MaxWriteSize; 454 __le64 SystemTime; /* MBZ */ 455 __le64 ServerStartTime; 456 __le16 SecurityBufferOffset; 457 __le16 SecurityBufferLength; 458 __le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */ 459 __u8 Buffer[1]; /* variable length GSS security buffer */ 460 } __packed; 461 462 /* Flags */ 463 #define SMB2_SESSION_REQ_FLAG_BINDING 0x01 464 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04 465 466 struct smb2_sess_setup_req { 467 struct smb2_sync_hdr sync_hdr; 468 __le16 StructureSize; /* Must be 25 */ 469 __u8 Flags; 470 __u8 SecurityMode; 471 __le32 Capabilities; 472 __le32 Channel; 473 __le16 SecurityBufferOffset; 474 __le16 SecurityBufferLength; 475 __u64 PreviousSessionId; 476 __u8 Buffer[1]; /* variable length GSS security buffer */ 477 } __packed; 478 479 /* Currently defined SessionFlags */ 480 #define SMB2_SESSION_FLAG_IS_GUEST 0x0001 481 #define SMB2_SESSION_FLAG_IS_NULL 0x0002 482 #define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004 483 struct smb2_sess_setup_rsp { 484 struct smb2_sync_hdr sync_hdr; 485 __le16 StructureSize; /* Must be 9 */ 486 __le16 SessionFlags; 487 __le16 SecurityBufferOffset; 488 __le16 SecurityBufferLength; 489 __u8 Buffer[1]; /* variable length GSS security buffer */ 490 } __packed; 491 492 struct smb2_logoff_req { 493 struct smb2_sync_hdr sync_hdr; 494 __le16 StructureSize; /* Must be 4 */ 495 __le16 Reserved; 496 } __packed; 497 498 struct smb2_logoff_rsp { 499 struct smb2_sync_hdr sync_hdr; 500 __le16 StructureSize; /* Must be 4 */ 501 __le16 Reserved; 502 } __packed; 503 504 /* Flags/Reserved for SMB3.1.1 */ 505 #define SMB2_TREE_CONNECT_FLAG_CLUSTER_RECONNECT cpu_to_le16(0x0001) 506 #define SMB2_TREE_CONNECT_FLAG_REDIRECT_TO_OWNER cpu_to_le16(0x0002) 507 #define SMB2_TREE_CONNECT_FLAG_EXTENSION_PRESENT cpu_to_le16(0x0004) 508 509 struct smb2_tree_connect_req { 510 struct smb2_sync_hdr sync_hdr; 511 __le16 StructureSize; /* Must be 9 */ 512 __le16 Flags; /* Reserved MBZ for dialects prior to SMB3.1.1 */ 513 __le16 PathOffset; 514 __le16 PathLength; 515 __u8 Buffer[1]; /* variable length */ 516 } __packed; 517 518 /* See MS-SMB2 section 2.2.9.2 */ 519 /* Context Types */ 520 #define SMB2_RESERVED_TREE_CONNECT_CONTEXT_ID 0x0000 521 #define SMB2_REMOTED_IDENTITY_TREE_CONNECT_CONTEXT_ID cpu_to_le16(0x0001) 522 523 struct tree_connect_contexts { 524 __le16 ContextType; 525 __le16 DataLength; 526 __le32 Reserved; 527 __u8 Data[]; 528 } __packed; 529 530 /* Remoted identity tree connect context structures - see MS-SMB2 2.2.9.2.1 */ 531 struct smb3_blob_data { 532 __le16 BlobSize; 533 __u8 BlobData[]; 534 } __packed; 535 536 /* Valid values for Attr */ 537 #define SE_GROUP_MANDATORY 0x00000001 538 #define SE_GROUP_ENABLED_BY_DEFAULT 0x00000002 539 #define SE_GROUP_ENABLED 0x00000004 540 #define SE_GROUP_OWNER 0x00000008 541 #define SE_GROUP_USE_FOR_DENY_ONLY 0x00000010 542 #define SE_GROUP_INTEGRITY 0x00000020 543 #define SE_GROUP_INTEGRITY_ENABLED 0x00000040 544 #define SE_GROUP_RESOURCE 0x20000000 545 #define SE_GROUP_LOGON_ID 0xC0000000 546 547 /* struct sid_attr_data is SidData array in BlobData format then le32 Attr */ 548 549 struct sid_array_data { 550 __le16 SidAttrCount; 551 /* SidAttrList - array of sid_attr_data structs */ 552 } __packed; 553 554 struct luid_attr_data { 555 556 } __packed; 557 558 /* 559 * struct privilege_data is the same as BLOB_DATA - see MS-SMB2 2.2.9.2.1.5 560 * but with size of LUID_ATTR_DATA struct and BlobData set to LUID_ATTR DATA 561 */ 562 563 struct privilege_array_data { 564 __le16 PrivilegeCount; 565 /* array of privilege_data structs */ 566 } __packed; 567 568 struct remoted_identity_tcon_context { 569 __le16 TicketType; /* must be 0x0001 */ 570 __le16 TicketSize; /* total size of this struct */ 571 __le16 User; /* offset to SID_ATTR_DATA struct with user info */ 572 __le16 UserName; /* offset to null terminated Unicode username string */ 573 __le16 Domain; /* offset to null terminated Unicode domain name */ 574 __le16 Groups; /* offset to SID_ARRAY_DATA struct with group info */ 575 __le16 RestrictedGroups; /* similar to above */ 576 __le16 Privileges; /* offset to PRIVILEGE_ARRAY_DATA struct */ 577 __le16 PrimaryGroup; /* offset to SID_ARRAY_DATA struct */ 578 __le16 Owner; /* offset to BLOB_DATA struct */ 579 __le16 DefaultDacl; /* offset to BLOB_DATA struct */ 580 __le16 DeviceGroups; /* offset to SID_ARRAY_DATA struct */ 581 __le16 UserClaims; /* offset to BLOB_DATA struct */ 582 __le16 DeviceClaims; /* offset to BLOB_DATA struct */ 583 __u8 TicketInfo[]; /* variable length buf - remoted identity data */ 584 } __packed; 585 586 struct smb2_tree_connect_req_extension { 587 __le32 TreeConnectContextOffset; 588 __le16 TreeConnectContextCount; 589 __u8 Reserved[10]; 590 __u8 PathName[]; /* variable sized array */ 591 /* followed by array of TreeConnectContexts */ 592 } __packed; 593 594 struct smb2_tree_connect_rsp { 595 struct smb2_sync_hdr sync_hdr; 596 __le16 StructureSize; /* Must be 16 */ 597 __u8 ShareType; /* see below */ 598 __u8 Reserved; 599 __le32 ShareFlags; /* see below */ 600 __le32 Capabilities; /* see below */ 601 __le32 MaximalAccess; 602 } __packed; 603 604 /* Possible ShareType values */ 605 #define SMB2_SHARE_TYPE_DISK 0x01 606 #define SMB2_SHARE_TYPE_PIPE 0x02 607 #define SMB2_SHARE_TYPE_PRINT 0x03 608 609 /* 610 * Possible ShareFlags - exactly one and only one of the first 4 caching flags 611 * must be set (any of the remaining, SHI1005, flags may be set individually 612 * or in combination. 613 */ 614 #define SMB2_SHAREFLAG_MANUAL_CACHING 0x00000000 615 #define SMB2_SHAREFLAG_AUTO_CACHING 0x00000010 616 #define SMB2_SHAREFLAG_VDO_CACHING 0x00000020 617 #define SMB2_SHAREFLAG_NO_CACHING 0x00000030 618 #define SHI1005_FLAGS_DFS 0x00000001 619 #define SHI1005_FLAGS_DFS_ROOT 0x00000002 620 #define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS 0x00000100 621 #define SHI1005_FLAGS_FORCE_SHARED_DELETE 0x00000200 622 #define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING 0x00000400 623 #define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM 0x00000800 624 #define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK 0x00001000 625 #define SHI1005_FLAGS_ENABLE_HASH_V1 0x00002000 626 #define SHI1005_FLAGS_ENABLE_HASH_V2 0x00004000 627 #define SHI1005_FLAGS_ENCRYPT_DATA 0x00008000 628 #define SMB2_SHAREFLAG_IDENTITY_REMOTING 0x00040000 /* 3.1.1 */ 629 #define SHI1005_FLAGS_ALL 0x0004FF33 630 631 /* Possible share capabilities */ 632 #define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) /* all dialects */ 633 #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */ 634 #define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */ 635 #define SMB2_SHARE_CAP_CLUSTER cpu_to_le32(0x00000040) /* 3.0 */ 636 #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */ 637 #define SMB2_SHARE_CAP_REDIRECT_TO_OWNER cpu_to_le32(0x00000100) /* 3.1.1 */ 638 639 struct smb2_tree_disconnect_req { 640 struct smb2_sync_hdr sync_hdr; 641 __le16 StructureSize; /* Must be 4 */ 642 __le16 Reserved; 643 } __packed; 644 645 struct smb2_tree_disconnect_rsp { 646 struct smb2_sync_hdr sync_hdr; 647 __le16 StructureSize; /* Must be 4 */ 648 __le16 Reserved; 649 } __packed; 650 651 /* File Attrubutes */ 652 #define FILE_ATTRIBUTE_READONLY 0x00000001 653 #define FILE_ATTRIBUTE_HIDDEN 0x00000002 654 #define FILE_ATTRIBUTE_SYSTEM 0x00000004 655 #define FILE_ATTRIBUTE_DIRECTORY 0x00000010 656 #define FILE_ATTRIBUTE_ARCHIVE 0x00000020 657 #define FILE_ATTRIBUTE_NORMAL 0x00000080 658 #define FILE_ATTRIBUTE_TEMPORARY 0x00000100 659 #define FILE_ATTRIBUTE_SPARSE_FILE 0x00000200 660 #define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400 661 #define FILE_ATTRIBUTE_COMPRESSED 0x00000800 662 #define FILE_ATTRIBUTE_OFFLINE 0x00001000 663 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x00002000 664 #define FILE_ATTRIBUTE_ENCRYPTED 0x00004000 665 #define FILE_ATTRIBUTE_INTEGRITY_STREAM 0x00008000 666 #define FILE_ATTRIBUTE_NO_SCRUB_DATA 0x00020000 667 668 /* Oplock levels */ 669 #define SMB2_OPLOCK_LEVEL_NONE 0x00 670 #define SMB2_OPLOCK_LEVEL_II 0x01 671 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08 672 #define SMB2_OPLOCK_LEVEL_BATCH 0x09 673 #define SMB2_OPLOCK_LEVEL_LEASE 0xFF 674 /* Non-spec internal type */ 675 #define SMB2_OPLOCK_LEVEL_NOCHANGE 0x99 676 677 /* Desired Access Flags */ 678 #define FILE_READ_DATA_LE cpu_to_le32(0x00000001) 679 #define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002) 680 #define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004) 681 #define FILE_READ_EA_LE cpu_to_le32(0x00000008) 682 #define FILE_WRITE_EA_LE cpu_to_le32(0x00000010) 683 #define FILE_EXECUTE_LE cpu_to_le32(0x00000020) 684 #define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080) 685 #define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100) 686 #define FILE_DELETE_LE cpu_to_le32(0x00010000) 687 #define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000) 688 #define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000) 689 #define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000) 690 #define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000) 691 #define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000) 692 #define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000) 693 #define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000) 694 #define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000) 695 #define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000) 696 #define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000) 697 698 /* ShareAccess Flags */ 699 #define FILE_SHARE_READ_LE cpu_to_le32(0x00000001) 700 #define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002) 701 #define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004) 702 #define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007) 703 704 /* CreateDisposition Flags */ 705 #define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000) 706 #define FILE_OPEN_LE cpu_to_le32(0x00000001) 707 #define FILE_CREATE_LE cpu_to_le32(0x00000002) 708 #define FILE_OPEN_IF_LE cpu_to_le32(0x00000003) 709 #define FILE_OVERWRITE_LE cpu_to_le32(0x00000004) 710 #define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005) 711 712 /* CreateOptions Flags */ 713 #define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001) 714 /* same as #define CREATE_NOT_FILE_LE cpu_to_le32(0x00000001) */ 715 #define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002) 716 #define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004) 717 #define FILE_NO_INTERMEDIATE_BUFFERRING_LE cpu_to_le32(0x00000008) 718 #define FILE_SYNCHRONOUS_IO_ALERT_LE cpu_to_le32(0x00000010) 719 #define FILE_SYNCHRONOUS_IO_NON_ALERT_LE cpu_to_le32(0x00000020) 720 #define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040) 721 #define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100) 722 #define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200) 723 #define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800) 724 #define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000) 725 #define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000) 726 #define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000) 727 #define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000) 728 #define FILE_RESERVE_OPFILTER_LE cpu_to_le32(0x00100000) 729 #define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000) 730 #define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000) 731 #define FILE_OPEN_FOR_FREE_SPACE_QUERY_LE cpu_to_le32(0x00800000) 732 733 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \ 734 | FILE_READ_ATTRIBUTES_LE) 735 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \ 736 | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE) 737 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE) 738 739 /* Impersonation Levels. See MS-WPO section 9.7 and MSDN-IMPERS */ 740 #define IL_ANONYMOUS cpu_to_le32(0x00000000) 741 #define IL_IDENTIFICATION cpu_to_le32(0x00000001) 742 #define IL_IMPERSONATION cpu_to_le32(0x00000002) 743 #define IL_DELEGATE cpu_to_le32(0x00000003) 744 745 /* Create Context Values */ 746 #define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */ 747 #define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */ 748 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ" 749 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC" 750 #define SMB2_CREATE_ALLOCATION_SIZE "AISi" 751 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc" 752 #define SMB2_CREATE_TIMEWARP_REQUEST "TWrp" 753 #define SMB2_CREATE_QUERY_ON_DISK_ID "QFid" 754 #define SMB2_CREATE_REQUEST_LEASE "RqLs" 755 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q" 756 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C" 757 #define SMB2_CREATE_APP_INSTANCE_ID 0x45BCA66AEFA7F74A9008FA462E144D74 758 #define SMB2_CREATE_APP_INSTANCE_VERSION 0xB982D0B73B56074FA07B524A8116A010 759 #define SVHDX_OPEN_DEVICE_CONTEX 0x9CCBCF9E04C1E643980E158DA1F6EC83 760 #define SMB2_CREATE_TAG_POSIX 0x93AD25509CB411E7B42383DE968BCD7C 761 762 /* Flag (SMB3 open response) values */ 763 #define SMB2_CREATE_FLAG_REPARSEPOINT 0x01 764 765 /* 766 * Maximum number of iovs we need for an open/create request. 767 * [0] : struct smb2_create_req 768 * [1] : path 769 * [2] : lease context 770 * [3] : durable context 771 * [4] : posix context 772 * [5] : time warp context 773 * [6] : query id context 774 * [7] : compound padding 775 */ 776 #define SMB2_CREATE_IOV_SIZE 8 777 778 struct smb2_create_req { 779 struct smb2_sync_hdr sync_hdr; 780 __le16 StructureSize; /* Must be 57 */ 781 __u8 SecurityFlags; 782 __u8 RequestedOplockLevel; 783 __le32 ImpersonationLevel; 784 __le64 SmbCreateFlags; 785 __le64 Reserved; 786 __le32 DesiredAccess; 787 __le32 FileAttributes; 788 __le32 ShareAccess; 789 __le32 CreateDisposition; 790 __le32 CreateOptions; 791 __le16 NameOffset; 792 __le16 NameLength; 793 __le32 CreateContextsOffset; 794 __le32 CreateContextsLength; 795 __u8 Buffer[]; 796 } __packed; 797 798 /* 799 * Maximum size of a SMB2_CREATE response is 64 (smb2 header) + 800 * 88 (fixed part of create response) + 520 (path) + 208 (contexts) + 801 * 2 bytes of padding. 802 */ 803 #define MAX_SMB2_CREATE_RESPONSE_SIZE 880 804 805 struct smb2_create_rsp { 806 struct smb2_sync_hdr sync_hdr; 807 __le16 StructureSize; /* Must be 89 */ 808 __u8 OplockLevel; 809 __u8 Flag; /* 0x01 if reparse point */ 810 __le32 CreateAction; 811 __le64 CreationTime; 812 __le64 LastAccessTime; 813 __le64 LastWriteTime; 814 __le64 ChangeTime; 815 __le64 AllocationSize; 816 __le64 EndofFile; 817 __le32 FileAttributes; 818 __le32 Reserved2; 819 __u64 PersistentFileId; /* opaque endianness */ 820 __u64 VolatileFileId; /* opaque endianness */ 821 __le32 CreateContextsOffset; 822 __le32 CreateContextsLength; 823 __u8 Buffer[1]; 824 } __packed; 825 826 struct create_context { 827 __le32 Next; 828 __le16 NameOffset; 829 __le16 NameLength; 830 __le16 Reserved; 831 __le16 DataOffset; 832 __le32 DataLength; 833 __u8 Buffer[]; 834 } __packed; 835 836 #define SMB2_LEASE_READ_CACHING_HE 0x01 837 #define SMB2_LEASE_HANDLE_CACHING_HE 0x02 838 #define SMB2_LEASE_WRITE_CACHING_HE 0x04 839 840 #define SMB2_LEASE_NONE cpu_to_le32(0x00) 841 #define SMB2_LEASE_READ_CACHING cpu_to_le32(0x01) 842 #define SMB2_LEASE_HANDLE_CACHING cpu_to_le32(0x02) 843 #define SMB2_LEASE_WRITE_CACHING cpu_to_le32(0x04) 844 845 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS cpu_to_le32(0x00000002) 846 #define SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET cpu_to_le32(0x00000004) 847 848 #define SMB2_LEASE_KEY_SIZE 16 849 850 struct lease_context { 851 u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 852 __le32 LeaseState; 853 __le32 LeaseFlags; 854 __le64 LeaseDuration; 855 } __packed; 856 857 struct lease_context_v2 { 858 u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 859 __le32 LeaseState; 860 __le32 LeaseFlags; 861 __le64 LeaseDuration; 862 __le64 ParentLeaseKeyLow; 863 __le64 ParentLeaseKeyHigh; 864 __le16 Epoch; 865 __le16 Reserved; 866 } __packed; 867 868 struct create_lease { 869 struct create_context ccontext; 870 __u8 Name[8]; 871 struct lease_context lcontext; 872 } __packed; 873 874 struct create_lease_v2 { 875 struct create_context ccontext; 876 __u8 Name[8]; 877 struct lease_context_v2 lcontext; 878 __u8 Pad[4]; 879 } __packed; 880 881 struct create_durable { 882 struct create_context ccontext; 883 __u8 Name[8]; 884 union { 885 __u8 Reserved[16]; 886 struct { 887 __u64 PersistentFileId; 888 __u64 VolatileFileId; 889 } Fid; 890 } Data; 891 } __packed; 892 893 struct create_posix { 894 struct create_context ccontext; 895 __u8 Name[16]; 896 __le32 Mode; 897 __u32 Reserved; 898 } __packed; 899 900 /* See MS-SMB2 2.2.13.2.11 */ 901 /* Flags */ 902 #define SMB2_DHANDLE_FLAG_PERSISTENT 0x00000002 903 struct durable_context_v2 { 904 __le32 Timeout; 905 __le32 Flags; 906 __u64 Reserved; 907 __u8 CreateGuid[16]; 908 } __packed; 909 910 struct create_durable_v2 { 911 struct create_context ccontext; 912 __u8 Name[8]; 913 struct durable_context_v2 dcontext; 914 } __packed; 915 916 /* See MS-SMB2 2.2.13.2.12 */ 917 struct durable_reconnect_context_v2 { 918 struct { 919 __u64 PersistentFileId; 920 __u64 VolatileFileId; 921 } Fid; 922 __u8 CreateGuid[16]; 923 __le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */ 924 } __packed; 925 926 /* See MS-SMB2 2.2.14.2.9 */ 927 struct create_on_disk_id { 928 struct create_context ccontext; 929 __u8 Name[8]; 930 __le64 DiskFileId; 931 __le64 VolumeId; 932 __u32 Reserved[4]; 933 } __packed; 934 935 /* See MS-SMB2 2.2.14.2.12 */ 936 struct durable_reconnect_context_v2_rsp { 937 __le32 Timeout; 938 __le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */ 939 } __packed; 940 941 struct create_durable_handle_reconnect_v2 { 942 struct create_context ccontext; 943 __u8 Name[8]; 944 struct durable_reconnect_context_v2 dcontext; 945 __u8 Pad[4]; 946 } __packed; 947 948 /* See MS-SMB2 2.2.13.2.5 */ 949 struct crt_twarp_ctxt { 950 struct create_context ccontext; 951 __u8 Name[8]; 952 __le64 Timestamp; 953 954 } __packed; 955 956 /* See MS-SMB2 2.2.13.2.9 */ 957 struct crt_query_id_ctxt { 958 struct create_context ccontext; 959 __u8 Name[8]; 960 } __packed; 961 962 struct crt_sd_ctxt { 963 struct create_context ccontext; 964 __u8 Name[8]; 965 struct smb3_sd sd; 966 } __packed; 967 968 969 #define COPY_CHUNK_RES_KEY_SIZE 24 970 struct resume_key_req { 971 char ResumeKey[COPY_CHUNK_RES_KEY_SIZE]; 972 __le32 ContextLength; /* MBZ */ 973 char Context[]; /* ignored, Windows sets to 4 bytes of zero */ 974 } __packed; 975 976 /* this goes in the ioctl buffer when doing a copychunk request */ 977 struct copychunk_ioctl { 978 char SourceKey[COPY_CHUNK_RES_KEY_SIZE]; 979 __le32 ChunkCount; /* we are only sending 1 */ 980 __le32 Reserved; 981 /* array will only be one chunk long for us */ 982 __le64 SourceOffset; 983 __le64 TargetOffset; 984 __le32 Length; /* how many bytes to copy */ 985 __u32 Reserved2; 986 } __packed; 987 988 /* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */ 989 struct file_zero_data_information { 990 __le64 FileOffset; 991 __le64 BeyondFinalZero; 992 } __packed; 993 994 struct copychunk_ioctl_rsp { 995 __le32 ChunksWritten; 996 __le32 ChunkBytesWritten; 997 __le32 TotalBytesWritten; 998 } __packed; 999 1000 /* See MS-FSCC 2.3.29 and 2.3.30 */ 1001 struct get_retrieval_pointer_count_req { 1002 __le64 StartingVcn; /* virtual cluster number (signed) */ 1003 } __packed; 1004 1005 struct get_retrieval_pointer_count_rsp { 1006 __le32 ExtentCount; 1007 } __packed; 1008 1009 /* 1010 * See MS-FSCC 2.3.33 and 2.3.34 1011 * request is the same as get_retrieval_point_count_req struct above 1012 */ 1013 struct smb3_extents { 1014 __le64 NextVcn; 1015 __le64 Lcn; /* logical cluster number */ 1016 } __packed; 1017 1018 struct get_retrieval_pointers_refcount_rsp { 1019 __le32 ExtentCount; 1020 __u32 Reserved; 1021 __le64 StartingVcn; 1022 struct smb3_extents extents[]; 1023 } __packed; 1024 1025 struct fsctl_set_integrity_information_req { 1026 __le16 ChecksumAlgorithm; 1027 __le16 Reserved; 1028 __le32 Flags; 1029 } __packed; 1030 1031 struct fsctl_get_integrity_information_rsp { 1032 __le16 ChecksumAlgorithm; 1033 __le16 Reserved; 1034 __le32 Flags; 1035 __le32 ChecksumChunkSizeInBytes; 1036 __le32 ClusterSizeInBytes; 1037 } __packed; 1038 1039 struct file_allocated_range_buffer { 1040 __le64 file_offset; 1041 __le64 length; 1042 } __packed; 1043 1044 /* Integrity ChecksumAlgorithm choices for above */ 1045 #define CHECKSUM_TYPE_NONE 0x0000 1046 #define CHECKSUM_TYPE_CRC64 0x0002 1047 #define CHECKSUM_TYPE_UNCHANGED 0xFFFF /* set only */ 1048 1049 /* Integrity flags for above */ 1050 #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x00000001 1051 1052 /* Reparse structures - see MS-FSCC 2.1.2 */ 1053 1054 /* struct fsctl_reparse_info_req is empty, only response structs (see below) */ 1055 1056 struct reparse_data_buffer { 1057 __le32 ReparseTag; 1058 __le16 ReparseDataLength; 1059 __u16 Reserved; 1060 __u8 DataBuffer[]; /* Variable Length */ 1061 } __packed; 1062 1063 struct reparse_guid_data_buffer { 1064 __le32 ReparseTag; 1065 __le16 ReparseDataLength; 1066 __u16 Reserved; 1067 __u8 ReparseGuid[16]; 1068 __u8 DataBuffer[]; /* Variable Length */ 1069 } __packed; 1070 1071 struct reparse_mount_point_data_buffer { 1072 __le32 ReparseTag; 1073 __le16 ReparseDataLength; 1074 __u16 Reserved; 1075 __le16 SubstituteNameOffset; 1076 __le16 SubstituteNameLength; 1077 __le16 PrintNameOffset; 1078 __le16 PrintNameLength; 1079 __u8 PathBuffer[]; /* Variable Length */ 1080 } __packed; 1081 1082 #define SYMLINK_FLAG_RELATIVE 0x00000001 1083 1084 struct reparse_symlink_data_buffer { 1085 __le32 ReparseTag; 1086 __le16 ReparseDataLength; 1087 __u16 Reserved; 1088 __le16 SubstituteNameOffset; 1089 __le16 SubstituteNameLength; 1090 __le16 PrintNameOffset; 1091 __le16 PrintNameLength; 1092 __le32 Flags; 1093 __u8 PathBuffer[]; /* Variable Length */ 1094 } __packed; 1095 1096 /* See MS-FSCC 2.1.2.6 and cifspdu.h for struct reparse_posix_data */ 1097 1098 1099 /* See MS-DFSC 2.2.2 */ 1100 struct fsctl_get_dfs_referral_req { 1101 __le16 MaxReferralLevel; 1102 __u8 RequestFileName[]; 1103 } __packed; 1104 1105 /* DFS response is struct get_dfs_refer_rsp */ 1106 1107 /* See MS-SMB2 2.2.31.3 */ 1108 struct network_resiliency_req { 1109 __le32 Timeout; 1110 __le32 Reserved; 1111 } __packed; 1112 /* There is no buffer for the response ie no struct network_resiliency_rsp */ 1113 1114 1115 struct validate_negotiate_info_req { 1116 __le32 Capabilities; 1117 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1118 __le16 SecurityMode; 1119 __le16 DialectCount; 1120 __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */ 1121 } __packed; 1122 1123 struct validate_negotiate_info_rsp { 1124 __le32 Capabilities; 1125 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1126 __le16 SecurityMode; 1127 __le16 Dialect; /* Dialect in use for the connection */ 1128 } __packed; 1129 1130 #define RSS_CAPABLE cpu_to_le32(0x00000001) 1131 #define RDMA_CAPABLE cpu_to_le32(0x00000002) 1132 1133 #define INTERNETWORK cpu_to_le16(0x0002) 1134 #define INTERNETWORKV6 cpu_to_le16(0x0017) 1135 1136 struct network_interface_info_ioctl_rsp { 1137 __le32 Next; /* next interface. zero if this is last one */ 1138 __le32 IfIndex; 1139 __le32 Capability; /* RSS or RDMA Capable */ 1140 __le32 Reserved; 1141 __le64 LinkSpeed; 1142 __le16 Family; 1143 __u8 Buffer[126]; 1144 } __packed; 1145 1146 struct iface_info_ipv4 { 1147 __be16 Port; 1148 __be32 IPv4Address; 1149 __be64 Reserved; 1150 } __packed; 1151 1152 struct iface_info_ipv6 { 1153 __be16 Port; 1154 __be32 FlowInfo; 1155 __u8 IPv6Address[16]; 1156 __be32 ScopeId; 1157 } __packed; 1158 1159 #define NO_FILE_ID 0xFFFFFFFFFFFFFFFFULL /* general ioctls to srv not to file */ 1160 1161 struct compress_ioctl { 1162 __le16 CompressionState; /* See cifspdu.h for possible flag values */ 1163 } __packed; 1164 1165 struct duplicate_extents_to_file { 1166 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 1167 __u64 VolatileFileHandle; 1168 __le64 SourceFileOffset; 1169 __le64 TargetFileOffset; 1170 __le64 ByteCount; /* Bytes to be copied */ 1171 } __packed; 1172 1173 /* 1174 * Maximum number of iovs we need for an ioctl request. 1175 * [0] : struct smb2_ioctl_req 1176 * [1] : in_data 1177 */ 1178 #define SMB2_IOCTL_IOV_SIZE 2 1179 1180 struct smb2_ioctl_req { 1181 struct smb2_sync_hdr sync_hdr; 1182 __le16 StructureSize; /* Must be 57 */ 1183 __u16 Reserved; 1184 __le32 CtlCode; 1185 __u64 PersistentFileId; /* opaque endianness */ 1186 __u64 VolatileFileId; /* opaque endianness */ 1187 __le32 InputOffset; 1188 __le32 InputCount; 1189 __le32 MaxInputResponse; 1190 __le32 OutputOffset; 1191 __le32 OutputCount; 1192 __le32 MaxOutputResponse; 1193 __le32 Flags; 1194 __u32 Reserved2; 1195 __u8 Buffer[]; 1196 } __packed; 1197 1198 struct smb2_ioctl_rsp { 1199 struct smb2_sync_hdr sync_hdr; 1200 __le16 StructureSize; /* Must be 57 */ 1201 __u16 Reserved; 1202 __le32 CtlCode; 1203 __u64 PersistentFileId; /* opaque endianness */ 1204 __u64 VolatileFileId; /* opaque endianness */ 1205 __le32 InputOffset; 1206 __le32 InputCount; 1207 __le32 OutputOffset; 1208 __le32 OutputCount; 1209 __le32 Flags; 1210 __u32 Reserved2; 1211 /* char * buffer[] */ 1212 } __packed; 1213 1214 /* Currently defined values for close flags */ 1215 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001) 1216 struct smb2_close_req { 1217 struct smb2_sync_hdr sync_hdr; 1218 __le16 StructureSize; /* Must be 24 */ 1219 __le16 Flags; 1220 __le32 Reserved; 1221 __u64 PersistentFileId; /* opaque endianness */ 1222 __u64 VolatileFileId; /* opaque endianness */ 1223 } __packed; 1224 1225 /* 1226 * Maximum size of a SMB2_CLOSE response is 64 (smb2 header) + 60 (data) 1227 */ 1228 #define MAX_SMB2_CLOSE_RESPONSE_SIZE 124 1229 1230 struct smb2_close_rsp { 1231 struct smb2_sync_hdr sync_hdr; 1232 __le16 StructureSize; /* 60 */ 1233 __le16 Flags; 1234 __le32 Reserved; 1235 __le64 CreationTime; 1236 __le64 LastAccessTime; 1237 __le64 LastWriteTime; 1238 __le64 ChangeTime; 1239 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 1240 __le64 EndOfFile; 1241 __le32 Attributes; 1242 } __packed; 1243 1244 struct smb2_flush_req { 1245 struct smb2_sync_hdr sync_hdr; 1246 __le16 StructureSize; /* Must be 24 */ 1247 __le16 Reserved1; 1248 __le32 Reserved2; 1249 __u64 PersistentFileId; /* opaque endianness */ 1250 __u64 VolatileFileId; /* opaque endianness */ 1251 } __packed; 1252 1253 struct smb2_flush_rsp { 1254 struct smb2_sync_hdr sync_hdr; 1255 __le16 StructureSize; 1256 __le16 Reserved; 1257 } __packed; 1258 1259 /* For read request Flags field below, following flag is defined for SMB3.02 */ 1260 #define SMB2_READFLAG_READ_UNBUFFERED 0x01 1261 #define SMB2_READFLAG_REQUEST_COMPRESSED 0x02 /* See MS-SMB2 2.2.19 */ 1262 1263 /* Channel field for read and write: exactly one of following flags can be set*/ 1264 #define SMB2_CHANNEL_NONE cpu_to_le32(0x00000000) 1265 #define SMB2_CHANNEL_RDMA_V1 cpu_to_le32(0x00000001) /* SMB3 or later */ 1266 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) /* >= SMB3.02 */ 1267 #define SMB2_CHANNEL_RDMA_TRANSFORM cpu_to_le32(0x00000003) /* >= SMB3.02, only used on write */ 1268 1269 /* SMB2 read request without RFC1001 length at the beginning */ 1270 struct smb2_read_plain_req { 1271 struct smb2_sync_hdr sync_hdr; 1272 __le16 StructureSize; /* Must be 49 */ 1273 __u8 Padding; /* offset from start of SMB2 header to place read */ 1274 __u8 Flags; /* MBZ unless SMB3.02 or later */ 1275 __le32 Length; 1276 __le64 Offset; 1277 __u64 PersistentFileId; /* opaque endianness */ 1278 __u64 VolatileFileId; /* opaque endianness */ 1279 __le32 MinimumCount; 1280 __le32 Channel; /* MBZ except for SMB3 or later */ 1281 __le32 RemainingBytes; 1282 __le16 ReadChannelInfoOffset; 1283 __le16 ReadChannelInfoLength; 1284 __u8 Buffer[1]; 1285 } __packed; 1286 1287 /* Read flags */ 1288 #define SMB2_READFLAG_RESPONSE_NONE 0x00000000 1289 #define SMB2_READFLAG_RESPONSE_RDMA_TRANSFORM 0x00000001 1290 1291 struct smb2_read_rsp { 1292 struct smb2_sync_hdr sync_hdr; 1293 __le16 StructureSize; /* Must be 17 */ 1294 __u8 DataOffset; 1295 __u8 Reserved; 1296 __le32 DataLength; 1297 __le32 DataRemaining; 1298 __u32 Flags; 1299 __u8 Buffer[1]; 1300 } __packed; 1301 1302 /* For write request Flags field below the following flags are defined: */ 1303 #define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 /* SMB2.1 or later */ 1304 #define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002 /* SMB3.02 or later */ 1305 1306 struct smb2_write_req { 1307 struct smb2_sync_hdr sync_hdr; 1308 __le16 StructureSize; /* Must be 49 */ 1309 __le16 DataOffset; /* offset from start of SMB2 header to write data */ 1310 __le32 Length; 1311 __le64 Offset; 1312 __u64 PersistentFileId; /* opaque endianness */ 1313 __u64 VolatileFileId; /* opaque endianness */ 1314 __le32 Channel; /* MBZ unless SMB3.02 or later */ 1315 __le32 RemainingBytes; 1316 __le16 WriteChannelInfoOffset; 1317 __le16 WriteChannelInfoLength; 1318 __le32 Flags; 1319 __u8 Buffer[1]; 1320 } __packed; 1321 1322 struct smb2_write_rsp { 1323 struct smb2_sync_hdr sync_hdr; 1324 __le16 StructureSize; /* Must be 17 */ 1325 __u8 DataOffset; 1326 __u8 Reserved; 1327 __le32 DataLength; 1328 __le32 DataRemaining; 1329 __u32 Reserved2; 1330 __u8 Buffer[1]; 1331 } __packed; 1332 1333 /* notify flags */ 1334 #define SMB2_WATCH_TREE 0x0001 1335 1336 /* notify completion filter flags. See MS-FSCC 2.6 and MS-SMB2 2.2.35 */ 1337 #define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001 1338 #define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002 1339 #define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004 1340 #define FILE_NOTIFY_CHANGE_SIZE 0x00000008 1341 #define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010 1342 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020 1343 #define FILE_NOTIFY_CHANGE_CREATION 0x00000040 1344 #define FILE_NOTIFY_CHANGE_EA 0x00000080 1345 #define FILE_NOTIFY_CHANGE_SECURITY 0x00000100 1346 #define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200 1347 #define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400 1348 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800 1349 1350 struct smb2_change_notify_req { 1351 struct smb2_sync_hdr sync_hdr; 1352 __le16 StructureSize; 1353 __le16 Flags; 1354 __le32 OutputBufferLength; 1355 __u64 PersistentFileId; /* opaque endianness */ 1356 __u64 VolatileFileId; /* opaque endianness */ 1357 __le32 CompletionFilter; 1358 __u32 Reserved; 1359 } __packed; 1360 1361 struct smb2_change_notify_rsp { 1362 struct smb2_sync_hdr sync_hdr; 1363 __le16 StructureSize; /* Must be 9 */ 1364 __le16 OutputBufferOffset; 1365 __le32 OutputBufferLength; 1366 __u8 Buffer[1]; /* array of file notify structs */ 1367 } __packed; 1368 1369 #define SMB2_LOCKFLAG_SHARED_LOCK 0x0001 1370 #define SMB2_LOCKFLAG_EXCLUSIVE_LOCK 0x0002 1371 #define SMB2_LOCKFLAG_UNLOCK 0x0004 1372 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY 0x0010 1373 1374 struct smb2_lock_element { 1375 __le64 Offset; 1376 __le64 Length; 1377 __le32 Flags; 1378 __le32 Reserved; 1379 } __packed; 1380 1381 struct smb2_lock_req { 1382 struct smb2_sync_hdr sync_hdr; 1383 __le16 StructureSize; /* Must be 48 */ 1384 __le16 LockCount; 1385 __le32 Reserved; 1386 __u64 PersistentFileId; /* opaque endianness */ 1387 __u64 VolatileFileId; /* opaque endianness */ 1388 /* Followed by at least one */ 1389 struct smb2_lock_element locks[1]; 1390 } __packed; 1391 1392 struct smb2_lock_rsp { 1393 struct smb2_sync_hdr sync_hdr; 1394 __le16 StructureSize; /* Must be 4 */ 1395 __le16 Reserved; 1396 } __packed; 1397 1398 struct smb2_echo_req { 1399 struct smb2_sync_hdr sync_hdr; 1400 __le16 StructureSize; /* Must be 4 */ 1401 __u16 Reserved; 1402 } __packed; 1403 1404 struct smb2_echo_rsp { 1405 struct smb2_sync_hdr sync_hdr; 1406 __le16 StructureSize; /* Must be 4 */ 1407 __u16 Reserved; 1408 } __packed; 1409 1410 /* search (query_directory) Flags field */ 1411 #define SMB2_RESTART_SCANS 0x01 1412 #define SMB2_RETURN_SINGLE_ENTRY 0x02 1413 #define SMB2_INDEX_SPECIFIED 0x04 1414 #define SMB2_REOPEN 0x10 1415 1416 #define SMB2_QUERY_DIRECTORY_IOV_SIZE 2 1417 1418 struct smb2_query_directory_req { 1419 struct smb2_sync_hdr sync_hdr; 1420 __le16 StructureSize; /* Must be 33 */ 1421 __u8 FileInformationClass; 1422 __u8 Flags; 1423 __le32 FileIndex; 1424 __u64 PersistentFileId; /* opaque endianness */ 1425 __u64 VolatileFileId; /* opaque endianness */ 1426 __le16 FileNameOffset; 1427 __le16 FileNameLength; 1428 __le32 OutputBufferLength; 1429 __u8 Buffer[1]; 1430 } __packed; 1431 1432 struct smb2_query_directory_rsp { 1433 struct smb2_sync_hdr sync_hdr; 1434 __le16 StructureSize; /* Must be 9 */ 1435 __le16 OutputBufferOffset; 1436 __le32 OutputBufferLength; 1437 __u8 Buffer[1]; 1438 } __packed; 1439 1440 /* Possible InfoType values */ 1441 #define SMB2_O_INFO_FILE 0x01 1442 #define SMB2_O_INFO_FILESYSTEM 0x02 1443 #define SMB2_O_INFO_SECURITY 0x03 1444 #define SMB2_O_INFO_QUOTA 0x04 1445 1446 /* Security info type additionalinfo flags. See MS-SMB2 (2.2.37) or MS-DTYP */ 1447 #define OWNER_SECINFO 0x00000001 1448 #define GROUP_SECINFO 0x00000002 1449 #define DACL_SECINFO 0x00000004 1450 #define SACL_SECINFO 0x00000008 1451 #define LABEL_SECINFO 0x00000010 1452 #define ATTRIBUTE_SECINFO 0x00000020 1453 #define SCOPE_SECINFO 0x00000040 1454 #define BACKUP_SECINFO 0x00010000 1455 #define UNPROTECTED_SACL_SECINFO 0x10000000 1456 #define UNPROTECTED_DACL_SECINFO 0x20000000 1457 #define PROTECTED_SACL_SECINFO 0x40000000 1458 #define PROTECTED_DACL_SECINFO 0x80000000 1459 1460 /* Flags used for FileFullEAinfo */ 1461 #define SL_RESTART_SCAN 0x00000001 1462 #define SL_RETURN_SINGLE_ENTRY 0x00000002 1463 #define SL_INDEX_SPECIFIED 0x00000004 1464 1465 struct smb2_query_info_req { 1466 struct smb2_sync_hdr sync_hdr; 1467 __le16 StructureSize; /* Must be 41 */ 1468 __u8 InfoType; 1469 __u8 FileInfoClass; 1470 __le32 OutputBufferLength; 1471 __le16 InputBufferOffset; 1472 __u16 Reserved; 1473 __le32 InputBufferLength; 1474 __le32 AdditionalInformation; 1475 __le32 Flags; 1476 __u64 PersistentFileId; /* opaque endianness */ 1477 __u64 VolatileFileId; /* opaque endianness */ 1478 __u8 Buffer[1]; 1479 } __packed; 1480 1481 struct smb2_query_info_rsp { 1482 struct smb2_sync_hdr sync_hdr; 1483 __le16 StructureSize; /* Must be 9 */ 1484 __le16 OutputBufferOffset; 1485 __le32 OutputBufferLength; 1486 __u8 Buffer[1]; 1487 } __packed; 1488 1489 /* 1490 * Maximum number of iovs we need for a set-info request. 1491 * The largest one is rename/hardlink 1492 * [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info 1493 * [1] : path 1494 * [2] : compound padding 1495 */ 1496 #define SMB2_SET_INFO_IOV_SIZE 3 1497 1498 struct smb2_set_info_req { 1499 struct smb2_sync_hdr sync_hdr; 1500 __le16 StructureSize; /* Must be 33 */ 1501 __u8 InfoType; 1502 __u8 FileInfoClass; 1503 __le32 BufferLength; 1504 __le16 BufferOffset; 1505 __u16 Reserved; 1506 __le32 AdditionalInformation; 1507 __u64 PersistentFileId; /* opaque endianness */ 1508 __u64 VolatileFileId; /* opaque endianness */ 1509 __u8 Buffer[1]; 1510 } __packed; 1511 1512 struct smb2_set_info_rsp { 1513 struct smb2_sync_hdr sync_hdr; 1514 __le16 StructureSize; /* Must be 2 */ 1515 } __packed; 1516 1517 struct smb2_oplock_break { 1518 struct smb2_sync_hdr sync_hdr; 1519 __le16 StructureSize; /* Must be 24 */ 1520 __u8 OplockLevel; 1521 __u8 Reserved; 1522 __le32 Reserved2; 1523 __u64 PersistentFid; 1524 __u64 VolatileFid; 1525 } __packed; 1526 1527 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01) 1528 1529 struct smb2_lease_break { 1530 struct smb2_sync_hdr sync_hdr; 1531 __le16 StructureSize; /* Must be 44 */ 1532 __le16 Epoch; 1533 __le32 Flags; 1534 __u8 LeaseKey[16]; 1535 __le32 CurrentLeaseState; 1536 __le32 NewLeaseState; 1537 __le32 BreakReason; 1538 __le32 AccessMaskHint; 1539 __le32 ShareMaskHint; 1540 } __packed; 1541 1542 struct smb2_lease_ack { 1543 struct smb2_sync_hdr sync_hdr; 1544 __le16 StructureSize; /* Must be 36 */ 1545 __le16 Reserved; 1546 __le32 Flags; 1547 __u8 LeaseKey[16]; 1548 __le32 LeaseState; 1549 __le64 LeaseDuration; 1550 } __packed; 1551 1552 /* 1553 * PDU infolevel structure definitions 1554 * BB consider moving to a different header 1555 */ 1556 1557 /* File System Information Classes */ 1558 #define FS_VOLUME_INFORMATION 1 /* Query */ 1559 #define FS_LABEL_INFORMATION 2 /* Local only */ 1560 #define FS_SIZE_INFORMATION 3 /* Query */ 1561 #define FS_DEVICE_INFORMATION 4 /* Query */ 1562 #define FS_ATTRIBUTE_INFORMATION 5 /* Query */ 1563 #define FS_CONTROL_INFORMATION 6 /* Query, Set */ 1564 #define FS_FULL_SIZE_INFORMATION 7 /* Query */ 1565 #define FS_OBJECT_ID_INFORMATION 8 /* Query, Set */ 1566 #define FS_DRIVER_PATH_INFORMATION 9 /* Local only */ 1567 #define FS_VOLUME_FLAGS_INFORMATION 10 /* Local only */ 1568 #define FS_SECTOR_SIZE_INFORMATION 11 /* SMB3 or later. Query */ 1569 #define FS_POSIX_INFORMATION 100 /* SMB3.1.1 POSIX. Query */ 1570 1571 struct smb2_fs_full_size_info { 1572 __le64 TotalAllocationUnits; 1573 __le64 CallerAvailableAllocationUnits; 1574 __le64 ActualAvailableAllocationUnits; 1575 __le32 SectorsPerAllocationUnit; 1576 __le32 BytesPerSector; 1577 } __packed; 1578 1579 #define SSINFO_FLAGS_ALIGNED_DEVICE 0x00000001 1580 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002 1581 #define SSINFO_FLAGS_NO_SEEK_PENALTY 0x00000004 1582 #define SSINFO_FLAGS_TRIM_ENABLED 0x00000008 1583 1584 /* sector size info struct */ 1585 struct smb3_fs_ss_info { 1586 __le32 LogicalBytesPerSector; 1587 __le32 PhysicalBytesPerSectorForAtomicity; 1588 __le32 PhysicalBytesPerSectorForPerf; 1589 __le32 FileSystemEffectivePhysicalBytesPerSectorForAtomicity; 1590 __le32 Flags; 1591 __le32 ByteOffsetForSectorAlignment; 1592 __le32 ByteOffsetForPartitionAlignment; 1593 } __packed; 1594 1595 /* volume info struct - see MS-FSCC 2.5.9 */ 1596 #define MAX_VOL_LABEL_LEN 32 1597 struct smb3_fs_vol_info { 1598 __le64 VolumeCreationTime; 1599 __u32 VolumeSerialNumber; 1600 __le32 VolumeLabelLength; /* includes trailing null */ 1601 __u8 SupportsObjects; /* True if eg like NTFS, supports objects */ 1602 __u8 Reserved; 1603 __u8 VolumeLabel[]; /* variable len */ 1604 } __packed; 1605 1606 /* partial list of QUERY INFO levels */ 1607 #define FILE_DIRECTORY_INFORMATION 1 1608 #define FILE_FULL_DIRECTORY_INFORMATION 2 1609 #define FILE_BOTH_DIRECTORY_INFORMATION 3 1610 #define FILE_BASIC_INFORMATION 4 1611 #define FILE_STANDARD_INFORMATION 5 1612 #define FILE_INTERNAL_INFORMATION 6 1613 #define FILE_EA_INFORMATION 7 1614 #define FILE_ACCESS_INFORMATION 8 1615 #define FILE_NAME_INFORMATION 9 1616 #define FILE_RENAME_INFORMATION 10 1617 #define FILE_LINK_INFORMATION 11 1618 #define FILE_NAMES_INFORMATION 12 1619 #define FILE_DISPOSITION_INFORMATION 13 1620 #define FILE_POSITION_INFORMATION 14 1621 #define FILE_FULL_EA_INFORMATION 15 1622 #define FILE_MODE_INFORMATION 16 1623 #define FILE_ALIGNMENT_INFORMATION 17 1624 #define FILE_ALL_INFORMATION 18 1625 #define FILE_ALLOCATION_INFORMATION 19 1626 #define FILE_END_OF_FILE_INFORMATION 20 1627 #define FILE_ALTERNATE_NAME_INFORMATION 21 1628 #define FILE_STREAM_INFORMATION 22 1629 #define FILE_PIPE_INFORMATION 23 1630 #define FILE_PIPE_LOCAL_INFORMATION 24 1631 #define FILE_PIPE_REMOTE_INFORMATION 25 1632 #define FILE_MAILSLOT_QUERY_INFORMATION 26 1633 #define FILE_MAILSLOT_SET_INFORMATION 27 1634 #define FILE_COMPRESSION_INFORMATION 28 1635 #define FILE_OBJECT_ID_INFORMATION 29 1636 /* Number 30 not defined in documents */ 1637 #define FILE_MOVE_CLUSTER_INFORMATION 31 1638 #define FILE_QUOTA_INFORMATION 32 1639 #define FILE_REPARSE_POINT_INFORMATION 33 1640 #define FILE_NETWORK_OPEN_INFORMATION 34 1641 #define FILE_ATTRIBUTE_TAG_INFORMATION 35 1642 #define FILE_TRACKING_INFORMATION 36 1643 #define FILEID_BOTH_DIRECTORY_INFORMATION 37 1644 #define FILEID_FULL_DIRECTORY_INFORMATION 38 1645 #define FILE_VALID_DATA_LENGTH_INFORMATION 39 1646 #define FILE_SHORT_NAME_INFORMATION 40 1647 #define FILE_SFIO_RESERVE_INFORMATION 44 1648 #define FILE_SFIO_VOLUME_INFORMATION 45 1649 #define FILE_HARD_LINK_INFORMATION 46 1650 #define FILE_NORMALIZED_NAME_INFORMATION 48 1651 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50 1652 #define FILE_STANDARD_LINK_INFORMATION 54 1653 #define FILE_ID_INFORMATION 59 1654 1655 struct smb2_file_internal_info { 1656 __le64 IndexNumber; 1657 } __packed; /* level 6 Query */ 1658 1659 struct smb2_file_rename_info { /* encoding of request for level 10 */ 1660 __u8 ReplaceIfExists; /* 1 = replace existing target with new */ 1661 /* 0 = fail if target already exists */ 1662 __u8 Reserved[7]; 1663 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1664 __le32 FileNameLength; 1665 char FileName[]; /* New name to be assigned */ 1666 /* padding - overall struct size must be >= 24 so filename + pad >= 6 */ 1667 } __packed; /* level 10 Set */ 1668 1669 struct smb2_file_link_info { /* encoding of request for level 11 */ 1670 __u8 ReplaceIfExists; /* 1 = replace existing link with new */ 1671 /* 0 = fail if link already exists */ 1672 __u8 Reserved[7]; 1673 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1674 __le32 FileNameLength; 1675 char FileName[]; /* Name to be assigned to new link */ 1676 } __packed; /* level 11 Set */ 1677 1678 struct smb2_file_full_ea_info { /* encoding of response for level 15 */ 1679 __le32 next_entry_offset; 1680 __u8 flags; 1681 __u8 ea_name_length; 1682 __le16 ea_value_length; 1683 char ea_data[]; /* \0 terminated name plus value */ 1684 } __packed; /* level 15 Set */ 1685 1686 /* 1687 * This level 18, although with struct with same name is different from cifs 1688 * level 0x107. Level 0x107 has an extra u64 between AccessFlags and 1689 * CurrentByteOffset. 1690 */ 1691 struct smb2_file_all_info { /* data block encoding of response to level 18 */ 1692 __le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */ 1693 __le64 LastAccessTime; 1694 __le64 LastWriteTime; 1695 __le64 ChangeTime; 1696 __le32 Attributes; 1697 __u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */ 1698 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 1699 __le64 EndOfFile; /* size ie offset to first free byte in file */ 1700 __le32 NumberOfLinks; /* hard links */ 1701 __u8 DeletePending; 1702 __u8 Directory; 1703 __u16 Pad2; /* End of FILE_STANDARD_INFO equivalent */ 1704 __le64 IndexNumber; 1705 __le32 EASize; 1706 __le32 AccessFlags; 1707 __le64 CurrentByteOffset; 1708 __le32 Mode; 1709 __le32 AlignmentRequirement; 1710 __le32 FileNameLength; 1711 char FileName[1]; 1712 } __packed; /* level 18 Query */ 1713 1714 struct smb2_file_eof_info { /* encoding of request for level 10 */ 1715 __le64 EndOfFile; /* new end of file value */ 1716 } __packed; /* level 20 Set */ 1717 1718 struct smb2_file_reparse_point_info { 1719 __le64 IndexNumber; 1720 __le32 Tag; 1721 } __packed; 1722 1723 struct smb2_file_network_open_info { 1724 __le64 CreationTime; 1725 __le64 LastAccessTime; 1726 __le64 LastWriteTime; 1727 __le64 ChangeTime; 1728 __le64 AllocationSize; 1729 __le64 EndOfFile; 1730 __le32 Attributes; 1731 __le32 Reserved; 1732 } __packed; /* level 34 Query also similar returned in close rsp and open rsp */ 1733 1734 /* See MS-FSCC 2.4.43 */ 1735 struct smb2_file_id_information { 1736 __le64 VolumeSerialNumber; 1737 __u64 PersistentFileId; /* opaque endianness */ 1738 __u64 VolatileFileId; /* opaque endianness */ 1739 } __packed; /* level 59 */ 1740 1741 extern char smb2_padding[7]; 1742 1743 /* equivalent of the contents of SMB3.1.1 POSIX open context response */ 1744 struct create_posix_rsp { 1745 u32 nlink; 1746 u32 reparse_tag; 1747 u32 mode; 1748 struct cifs_sid owner; /* var-sized on the wire */ 1749 struct cifs_sid group; /* var-sized on the wire */ 1750 } __packed; 1751 1752 /* 1753 * SMB2-only POSIX info level for query dir 1754 * 1755 * See posix_info_sid_size(), posix_info_extra_size() and 1756 * posix_info_parse() to help with the handling of this struct. 1757 */ 1758 struct smb2_posix_info { 1759 __le32 NextEntryOffset; 1760 __u32 Ignored; 1761 __le64 CreationTime; 1762 __le64 LastAccessTime; 1763 __le64 LastWriteTime; 1764 __le64 ChangeTime; 1765 __le64 EndOfFile; 1766 __le64 AllocationSize; 1767 __le32 DosAttributes; 1768 __le64 Inode; 1769 __le32 DeviceId; 1770 __le32 Zero; 1771 /* beginning of POSIX Create Context Response */ 1772 __le32 HardLinks; 1773 __le32 ReparseTag; 1774 __le32 Mode; 1775 /* 1776 * var sized owner SID 1777 * var sized group SID 1778 * le32 filenamelength 1779 * u8 filename[] 1780 */ 1781 } __packed; 1782 1783 /* Level 100 query info */ 1784 struct smb311_posix_qinfo { 1785 __le64 CreationTime; 1786 __le64 LastAccessTime; 1787 __le64 LastWriteTime; 1788 __le64 ChangeTime; 1789 __le64 EndOfFile; 1790 __le64 AllocationSize; 1791 __le32 DosAttributes; 1792 __le64 Inode; 1793 __le32 DeviceId; 1794 __le32 Zero; 1795 /* beginning of POSIX Create Context Response */ 1796 __le32 HardLinks; 1797 __le32 ReparseTag; 1798 __le32 Mode; 1799 u8 Sids[]; 1800 /* 1801 * var sized owner SID 1802 * var sized group SID 1803 * le32 filenamelength 1804 * u8 filename[] 1805 */ 1806 } __packed; 1807 1808 /* 1809 * Parsed version of the above struct. Allows direct access to the 1810 * variable length fields 1811 */ 1812 struct smb2_posix_info_parsed { 1813 const struct smb2_posix_info *base; 1814 size_t size; 1815 struct cifs_sid owner; 1816 struct cifs_sid group; 1817 int name_len; 1818 const u8 *name; 1819 }; 1820 1821 #endif /* _SMB2PDU_H */ 1822