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 29 /* 30 * Note that, due to trying to use names similar to the protocol specifications, 31 * there are many mixed case field names in the structures below. Although 32 * this does not match typical Linux kernel style, it is necessary to be 33 * be able to match against the protocol specfication. 34 * 35 * SMB2 commands 36 * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses 37 * (ie no useful data other than the SMB error code itself) and are marked such. 38 * Knowing this helps avoid response buffer allocations and copy in some cases. 39 */ 40 41 /* List of commands in host endian */ 42 #define SMB2_NEGOTIATE_HE 0x0000 43 #define SMB2_SESSION_SETUP_HE 0x0001 44 #define SMB2_LOGOFF_HE 0x0002 /* trivial request/resp */ 45 #define SMB2_TREE_CONNECT_HE 0x0003 46 #define SMB2_TREE_DISCONNECT_HE 0x0004 /* trivial req/resp */ 47 #define SMB2_CREATE_HE 0x0005 48 #define SMB2_CLOSE_HE 0x0006 49 #define SMB2_FLUSH_HE 0x0007 /* trivial resp */ 50 #define SMB2_READ_HE 0x0008 51 #define SMB2_WRITE_HE 0x0009 52 #define SMB2_LOCK_HE 0x000A 53 #define SMB2_IOCTL_HE 0x000B 54 #define SMB2_CANCEL_HE 0x000C 55 #define SMB2_ECHO_HE 0x000D 56 #define SMB2_QUERY_DIRECTORY_HE 0x000E 57 #define SMB2_CHANGE_NOTIFY_HE 0x000F 58 #define SMB2_QUERY_INFO_HE 0x0010 59 #define SMB2_SET_INFO_HE 0x0011 60 #define SMB2_OPLOCK_BREAK_HE 0x0012 61 62 /* The same list in little endian */ 63 #define SMB2_NEGOTIATE cpu_to_le16(SMB2_NEGOTIATE_HE) 64 #define SMB2_SESSION_SETUP cpu_to_le16(SMB2_SESSION_SETUP_HE) 65 #define SMB2_LOGOFF cpu_to_le16(SMB2_LOGOFF_HE) 66 #define SMB2_TREE_CONNECT cpu_to_le16(SMB2_TREE_CONNECT_HE) 67 #define SMB2_TREE_DISCONNECT cpu_to_le16(SMB2_TREE_DISCONNECT_HE) 68 #define SMB2_CREATE cpu_to_le16(SMB2_CREATE_HE) 69 #define SMB2_CLOSE cpu_to_le16(SMB2_CLOSE_HE) 70 #define SMB2_FLUSH cpu_to_le16(SMB2_FLUSH_HE) 71 #define SMB2_READ cpu_to_le16(SMB2_READ_HE) 72 #define SMB2_WRITE cpu_to_le16(SMB2_WRITE_HE) 73 #define SMB2_LOCK cpu_to_le16(SMB2_LOCK_HE) 74 #define SMB2_IOCTL cpu_to_le16(SMB2_IOCTL_HE) 75 #define SMB2_CANCEL cpu_to_le16(SMB2_CANCEL_HE) 76 #define SMB2_ECHO cpu_to_le16(SMB2_ECHO_HE) 77 #define SMB2_QUERY_DIRECTORY cpu_to_le16(SMB2_QUERY_DIRECTORY_HE) 78 #define SMB2_CHANGE_NOTIFY cpu_to_le16(SMB2_CHANGE_NOTIFY_HE) 79 #define SMB2_QUERY_INFO cpu_to_le16(SMB2_QUERY_INFO_HE) 80 #define SMB2_SET_INFO cpu_to_le16(SMB2_SET_INFO_HE) 81 #define SMB2_OPLOCK_BREAK cpu_to_le16(SMB2_OPLOCK_BREAK_HE) 82 83 #define SMB2_INTERNAL_CMD cpu_to_le16(0xFFFF) 84 85 #define NUMBER_OF_SMB2_COMMANDS 0x0013 86 87 /* 52 transform hdr + 64 hdr + 88 create rsp */ 88 #define MAX_SMB2_HDR_SIZE 204 89 90 #define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe) 91 #define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd) 92 93 /* 94 * SMB2 Header Definition 95 * 96 * "MBZ" : Must be Zero 97 * "BB" : BugBug, Something to check/review/analyze later 98 * "PDU" : "Protocol Data Unit" (ie a network "frame") 99 * 100 */ 101 102 #define SMB2_HEADER_STRUCTURE_SIZE cpu_to_le16(64) 103 104 struct smb2_sync_hdr { 105 __le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */ 106 __le16 StructureSize; /* 64 */ 107 __le16 CreditCharge; /* MBZ */ 108 __le32 Status; /* Error from server */ 109 __le16 Command; 110 __le16 CreditRequest; /* CreditResponse */ 111 __le32 Flags; 112 __le32 NextCommand; 113 __le64 MessageId; 114 __le32 ProcessId; 115 __u32 TreeId; /* opaque - so do not make little endian */ 116 __u64 SessionId; /* opaque - so do not make little endian */ 117 __u8 Signature[16]; 118 } __packed; 119 120 struct smb2_sync_pdu { 121 struct smb2_sync_hdr sync_hdr; 122 __le16 StructureSize2; /* size of wct area (varies, request specific) */ 123 } __packed; 124 125 #define SMB3_AES128CMM_NONCE 11 126 #define SMB3_AES128GCM_NONCE 12 127 128 struct smb2_transform_hdr { 129 __le32 ProtocolId; /* 0xFD 'S' 'M' 'B' */ 130 __u8 Signature[16]; 131 __u8 Nonce[16]; 132 __le32 OriginalMessageSize; 133 __u16 Reserved1; 134 __le16 Flags; /* EncryptionAlgorithm */ 135 __u64 SessionId; 136 } __packed; 137 138 /* 139 * SMB2 flag definitions 140 */ 141 #define SMB2_FLAGS_SERVER_TO_REDIR cpu_to_le32(0x00000001) 142 #define SMB2_FLAGS_ASYNC_COMMAND cpu_to_le32(0x00000002) 143 #define SMB2_FLAGS_RELATED_OPERATIONS cpu_to_le32(0x00000004) 144 #define SMB2_FLAGS_SIGNED cpu_to_le32(0x00000008) 145 #define SMB2_FLAGS_DFS_OPERATIONS cpu_to_le32(0x10000000) 146 147 /* 148 * Definitions for SMB2 Protocol Data Units (network frames) 149 * 150 * See MS-SMB2.PDF specification for protocol details. 151 * The Naming convention is the lower case version of the SMB2 152 * command code name for the struct. Note that structures must be packed. 153 * 154 */ 155 156 #define COMPOUND_FID 0xFFFFFFFFFFFFFFFFULL 157 158 #define SMB2_ERROR_STRUCTURE_SIZE2 cpu_to_le16(9) 159 160 struct smb2_err_rsp { 161 struct smb2_sync_hdr sync_hdr; 162 __le16 StructureSize; 163 __le16 Reserved; /* MBZ */ 164 __le32 ByteCount; /* even if zero, at least one byte follows */ 165 __u8 ErrorData[1]; /* variable length */ 166 } __packed; 167 168 struct smb2_symlink_err_rsp { 169 __le32 SymLinkLength; 170 __le32 SymLinkErrorTag; 171 __le32 ReparseTag; 172 __le16 ReparseDataLength; 173 __le16 UnparsedPathLength; 174 __le16 SubstituteNameOffset; 175 __le16 SubstituteNameLength; 176 __le16 PrintNameOffset; 177 __le16 PrintNameLength; 178 __le32 Flags; 179 __u8 PathBuffer[0]; 180 } __packed; 181 182 /* SMB 3.1.1 and later dialects. See MS-SMB2 section 2.2.2.1 */ 183 struct smb2_error_context_rsp { 184 __le32 ErrorDataLength; 185 __le32 ErrorId; 186 __u8 ErrorContextData; /* ErrorDataLength long array */ 187 } __packed; 188 189 /* Defines for Type field below (see MS-SMB2 2.2.2.2.2.1) */ 190 #define MOVE_DST_IPADDR_V4 cpu_to_le32(0x00000001) 191 #define MOVE_DST_IPADDR_V6 cpu_to_le32(0x00000002) 192 193 struct move_dst_ipaddr { 194 __le32 Type; 195 __u32 Reserved; 196 __u8 address[16]; /* IPv4 followed by 12 bytes rsvd or IPv6 address */ 197 } __packed; 198 199 struct share_redirect_error_context_rsp { 200 __le32 StructureSize; 201 __le32 NotificationType; 202 __le32 ResourceNameOffset; 203 __le32 ResourceNameLength; 204 __le16 Flags; 205 __le16 TargetType; 206 __le32 IPAddrCount; 207 struct move_dst_ipaddr IpAddrMoveList[0]; 208 /* __u8 ResourceName[] */ /* Name of share as counted Unicode string */ 209 } __packed; 210 211 #define SMB2_CLIENT_GUID_SIZE 16 212 213 struct smb2_negotiate_req { 214 struct smb2_sync_hdr sync_hdr; 215 __le16 StructureSize; /* Must be 36 */ 216 __le16 DialectCount; 217 __le16 SecurityMode; 218 __le16 Reserved; /* MBZ */ 219 __le32 Capabilities; 220 __u8 ClientGUID[SMB2_CLIENT_GUID_SIZE]; 221 /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */ 222 __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */ 223 __le16 NegotiateContextCount; /* SMB3.1.1 only. MBZ earlier */ 224 __le16 Reserved2; 225 __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */ 226 } __packed; 227 228 /* Dialects */ 229 #define SMB20_PROT_ID 0x0202 230 #define SMB21_PROT_ID 0x0210 231 #define SMB30_PROT_ID 0x0300 232 #define SMB302_PROT_ID 0x0302 233 #define SMB311_PROT_ID 0x0311 234 #define BAD_PROT_ID 0xFFFF 235 236 /* SecurityMode flags */ 237 #define SMB2_NEGOTIATE_SIGNING_ENABLED 0x0001 238 #define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002 239 #define SMB2_SEC_MODE_FLAGS_ALL 0x0003 240 241 /* Capabilities flags */ 242 #define SMB2_GLOBAL_CAP_DFS 0x00000001 243 #define SMB2_GLOBAL_CAP_LEASING 0x00000002 /* Resp only New to SMB2.1 */ 244 #define SMB2_GLOBAL_CAP_LARGE_MTU 0X00000004 /* Resp only New to SMB2.1 */ 245 #define SMB2_GLOBAL_CAP_MULTI_CHANNEL 0x00000008 /* New to SMB3 */ 246 #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */ 247 #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING 0x00000020 /* New to SMB3 */ 248 #define SMB2_GLOBAL_CAP_ENCRYPTION 0x00000040 /* New to SMB3 */ 249 /* Internal types */ 250 #define SMB2_NT_FIND 0x00100000 251 #define SMB2_LARGE_FILES 0x00200000 252 253 struct smb2_neg_context { 254 __le16 ContextType; 255 __le16 DataLength; 256 __le32 Reserved; 257 /* Followed by array of data */ 258 } __packed; 259 260 #define SMB311_LINUX_CLIENT_SALT_SIZE 32 261 /* Hash Algorithm Types */ 262 #define SMB2_PREAUTH_INTEGRITY_SHA512 cpu_to_le16(0x0001) 263 #define SMB2_PREAUTH_HASH_SIZE 64 264 265 /* 266 * SaltLength that the server send can be zero, so the only three required 267 * fields (all __le16) end up six bytes total, so the minimum context data len 268 * in the response is six bytes which accounts for 269 * 270 * HashAlgorithmCount, SaltLength, and 1 HashAlgorithm. 271 */ 272 #define MIN_PREAUTH_CTXT_DATA_LEN 6 273 274 struct smb2_preauth_neg_context { 275 __le16 ContextType; /* 1 */ 276 __le16 DataLength; 277 __le32 Reserved; 278 __le16 HashAlgorithmCount; /* 1 */ 279 __le16 SaltLength; 280 __le16 HashAlgorithms; /* HashAlgorithms[0] since only one defined */ 281 __u8 Salt[SMB311_LINUX_CLIENT_SALT_SIZE]; 282 } __packed; 283 284 /* Encryption Algorithms Ciphers */ 285 #define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001) 286 #define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002) 287 288 /* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */ 289 #define MIN_ENCRYPT_CTXT_DATA_LEN 4 290 struct smb2_encryption_neg_context { 291 __le16 ContextType; /* 2 */ 292 __le16 DataLength; 293 __le32 Reserved; 294 __le16 CipherCount; /* AES-128-GCM and AES-128-CCM */ 295 __le16 Ciphers[1]; /* Ciphers[0] since only one used now */ 296 } __packed; 297 298 #define POSIX_CTXT_DATA_LEN 8 299 struct smb2_posix_neg_context { 300 __le16 ContextType; /* 0x100 */ 301 __le16 DataLength; 302 __le32 Reserved; 303 __le64 Reserved1; /* In case needed for future (eg version or caps) */ 304 } __packed; 305 306 struct smb2_negotiate_rsp { 307 struct smb2_sync_hdr sync_hdr; 308 __le16 StructureSize; /* Must be 65 */ 309 __le16 SecurityMode; 310 __le16 DialectRevision; 311 __le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */ 312 __u8 ServerGUID[16]; 313 __le32 Capabilities; 314 __le32 MaxTransactSize; 315 __le32 MaxReadSize; 316 __le32 MaxWriteSize; 317 __le64 SystemTime; /* MBZ */ 318 __le64 ServerStartTime; 319 __le16 SecurityBufferOffset; 320 __le16 SecurityBufferLength; 321 __le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */ 322 __u8 Buffer[1]; /* variable length GSS security buffer */ 323 } __packed; 324 325 /* Flags */ 326 #define SMB2_SESSION_REQ_FLAG_BINDING 0x01 327 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04 328 329 struct smb2_sess_setup_req { 330 struct smb2_sync_hdr sync_hdr; 331 __le16 StructureSize; /* Must be 25 */ 332 __u8 Flags; 333 __u8 SecurityMode; 334 __le32 Capabilities; 335 __le32 Channel; 336 __le16 SecurityBufferOffset; 337 __le16 SecurityBufferLength; 338 __u64 PreviousSessionId; 339 __u8 Buffer[1]; /* variable length GSS security buffer */ 340 } __packed; 341 342 /* Currently defined SessionFlags */ 343 #define SMB2_SESSION_FLAG_IS_GUEST 0x0001 344 #define SMB2_SESSION_FLAG_IS_NULL 0x0002 345 #define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004 346 struct smb2_sess_setup_rsp { 347 struct smb2_sync_hdr sync_hdr; 348 __le16 StructureSize; /* Must be 9 */ 349 __le16 SessionFlags; 350 __le16 SecurityBufferOffset; 351 __le16 SecurityBufferLength; 352 __u8 Buffer[1]; /* variable length GSS security buffer */ 353 } __packed; 354 355 struct smb2_logoff_req { 356 struct smb2_sync_hdr sync_hdr; 357 __le16 StructureSize; /* Must be 4 */ 358 __le16 Reserved; 359 } __packed; 360 361 struct smb2_logoff_rsp { 362 struct smb2_sync_hdr sync_hdr; 363 __le16 StructureSize; /* Must be 4 */ 364 __le16 Reserved; 365 } __packed; 366 367 /* Flags/Reserved for SMB3.1.1 */ 368 #define SMB2_TREE_CONNECT_FLAG_CLUSTER_RECONNECT cpu_to_le16(0x0001) 369 #define SMB2_TREE_CONNECT_FLAG_REDIRECT_TO_OWNER cpu_to_le16(0x0002) 370 #define SMB2_TREE_CONNECT_FLAG_EXTENSION_PRESENT cpu_to_le16(0x0004) 371 372 struct smb2_tree_connect_req { 373 struct smb2_sync_hdr sync_hdr; 374 __le16 StructureSize; /* Must be 9 */ 375 __le16 Reserved; /* Flags in SMB3.1.1 */ 376 __le16 PathOffset; 377 __le16 PathLength; 378 __u8 Buffer[1]; /* variable length */ 379 } __packed; 380 381 /* See MS-SMB2 section 2.2.9.2 */ 382 /* Context Types */ 383 #define SMB2_RESERVED_TREE_CONNECT_CONTEXT_ID 0x0000 384 #define SMB2_REMOTED_IDENTITY_TREE_CONNECT_CONTEXT_ID cpu_to_le16(0x0001) 385 386 struct tree_connect_contexts { 387 __le16 ContextType; 388 __le16 DataLength; 389 __le32 Reserved; 390 __u8 Data[0]; 391 } __packed; 392 393 /* Remoted identity tree connect context structures - see MS-SMB2 2.2.9.2.1 */ 394 struct smb3_blob_data { 395 __le16 BlobSize; 396 __u8 BlobData[0]; 397 } __packed; 398 399 /* Valid values for Attr */ 400 #define SE_GROUP_MANDATORY 0x00000001 401 #define SE_GROUP_ENABLED_BY_DEFAULT 0x00000002 402 #define SE_GROUP_ENABLED 0x00000004 403 #define SE_GROUP_OWNER 0x00000008 404 #define SE_GROUP_USE_FOR_DENY_ONLY 0x00000010 405 #define SE_GROUP_INTEGRITY 0x00000020 406 #define SE_GROUP_INTEGRITY_ENABLED 0x00000040 407 #define SE_GROUP_RESOURCE 0x20000000 408 #define SE_GROUP_LOGON_ID 0xC0000000 409 410 /* struct sid_attr_data is SidData array in BlobData format then le32 Attr */ 411 412 struct sid_array_data { 413 __le16 SidAttrCount; 414 /* SidAttrList - array of sid_attr_data structs */ 415 } __packed; 416 417 struct luid_attr_data { 418 419 } __packed; 420 421 /* 422 * struct privilege_data is the same as BLOB_DATA - see MS-SMB2 2.2.9.2.1.5 423 * but with size of LUID_ATTR_DATA struct and BlobData set to LUID_ATTR DATA 424 */ 425 426 struct privilege_array_data { 427 __le16 PrivilegeCount; 428 /* array of privilege_data structs */ 429 } __packed; 430 431 struct remoted_identity_tcon_context { 432 __le16 TicketType; /* must be 0x0001 */ 433 __le16 TicketSize; /* total size of this struct */ 434 __le16 User; /* offset to SID_ATTR_DATA struct with user info */ 435 __le16 UserName; /* offset to null terminated Unicode username string */ 436 __le16 Domain; /* offset to null terminated Unicode domain name */ 437 __le16 Groups; /* offset to SID_ARRAY_DATA struct with group info */ 438 __le16 RestrictedGroups; /* similar to above */ 439 __le16 Privileges; /* offset to PRIVILEGE_ARRAY_DATA struct */ 440 __le16 PrimaryGroup; /* offset to SID_ARRAY_DATA struct */ 441 __le16 Owner; /* offset to BLOB_DATA struct */ 442 __le16 DefaultDacl; /* offset to BLOB_DATA struct */ 443 __le16 DeviceGroups; /* offset to SID_ARRAY_DATA struct */ 444 __le16 UserClaims; /* offset to BLOB_DATA struct */ 445 __le16 DeviceClaims; /* offset to BLOB_DATA struct */ 446 __u8 TicketInfo[0]; /* variable length buf - remoted identity data */ 447 } __packed; 448 449 struct smb2_tree_connect_req_extension { 450 __le32 TreeConnectContextOffset; 451 __le16 TreeConnectContextCount; 452 __u8 Reserved[10]; 453 __u8 PathName[0]; /* variable sized array */ 454 /* followed by array of TreeConnectContexts */ 455 } __packed; 456 457 struct smb2_tree_connect_rsp { 458 struct smb2_sync_hdr sync_hdr; 459 __le16 StructureSize; /* Must be 16 */ 460 __u8 ShareType; /* see below */ 461 __u8 Reserved; 462 __le32 ShareFlags; /* see below */ 463 __le32 Capabilities; /* see below */ 464 __le32 MaximalAccess; 465 } __packed; 466 467 /* Possible ShareType values */ 468 #define SMB2_SHARE_TYPE_DISK 0x01 469 #define SMB2_SHARE_TYPE_PIPE 0x02 470 #define SMB2_SHARE_TYPE_PRINT 0x03 471 472 /* 473 * Possible ShareFlags - exactly one and only one of the first 4 caching flags 474 * must be set (any of the remaining, SHI1005, flags may be set individually 475 * or in combination. 476 */ 477 #define SMB2_SHAREFLAG_MANUAL_CACHING 0x00000000 478 #define SMB2_SHAREFLAG_AUTO_CACHING 0x00000010 479 #define SMB2_SHAREFLAG_VDO_CACHING 0x00000020 480 #define SMB2_SHAREFLAG_NO_CACHING 0x00000030 481 #define SHI1005_FLAGS_DFS 0x00000001 482 #define SHI1005_FLAGS_DFS_ROOT 0x00000002 483 #define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS 0x00000100 484 #define SHI1005_FLAGS_FORCE_SHARED_DELETE 0x00000200 485 #define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING 0x00000400 486 #define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM 0x00000800 487 #define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK 0x00001000 488 #define SHI1005_FLAGS_ENABLE_HASH_V1 0x00002000 489 #define SHI1005_FLAGS_ENABLE_HASH_V2 0x00004000 490 #define SHI1005_FLAGS_ENCRYPT_DATA 0x00008000 491 #define SMB2_SHAREFLAG_IDENTITY_REMOTING 0x00040000 /* 3.1.1 */ 492 #define SHI1005_FLAGS_ALL 0x0004FF33 493 494 /* Possible share capabilities */ 495 #define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) /* all dialects */ 496 #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */ 497 #define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */ 498 #define SMB2_SHARE_CAP_CLUSTER cpu_to_le32(0x00000040) /* 3.0 */ 499 #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */ 500 #define SMB2_SHARE_CAP_REDIRECT_TO_OWNER cpu_to_le32(0x00000100) /* 3.1.1 */ 501 502 struct smb2_tree_disconnect_req { 503 struct smb2_sync_hdr sync_hdr; 504 __le16 StructureSize; /* Must be 4 */ 505 __le16 Reserved; 506 } __packed; 507 508 struct smb2_tree_disconnect_rsp { 509 struct smb2_sync_hdr sync_hdr; 510 __le16 StructureSize; /* Must be 4 */ 511 __le16 Reserved; 512 } __packed; 513 514 /* File Attrubutes */ 515 #define FILE_ATTRIBUTE_READONLY 0x00000001 516 #define FILE_ATTRIBUTE_HIDDEN 0x00000002 517 #define FILE_ATTRIBUTE_SYSTEM 0x00000004 518 #define FILE_ATTRIBUTE_DIRECTORY 0x00000010 519 #define FILE_ATTRIBUTE_ARCHIVE 0x00000020 520 #define FILE_ATTRIBUTE_NORMAL 0x00000080 521 #define FILE_ATTRIBUTE_TEMPORARY 0x00000100 522 #define FILE_ATTRIBUTE_SPARSE_FILE 0x00000200 523 #define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400 524 #define FILE_ATTRIBUTE_COMPRESSED 0x00000800 525 #define FILE_ATTRIBUTE_OFFLINE 0x00001000 526 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x00002000 527 #define FILE_ATTRIBUTE_ENCRYPTED 0x00004000 528 #define FILE_ATTRIBUTE_INTEGRITY_STREAM 0x00008000 529 #define FILE_ATTRIBUTE_NO_SCRUB_DATA 0x00020000 530 531 /* Oplock levels */ 532 #define SMB2_OPLOCK_LEVEL_NONE 0x00 533 #define SMB2_OPLOCK_LEVEL_II 0x01 534 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08 535 #define SMB2_OPLOCK_LEVEL_BATCH 0x09 536 #define SMB2_OPLOCK_LEVEL_LEASE 0xFF 537 /* Non-spec internal type */ 538 #define SMB2_OPLOCK_LEVEL_NOCHANGE 0x99 539 540 /* Desired Access Flags */ 541 #define FILE_READ_DATA_LE cpu_to_le32(0x00000001) 542 #define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002) 543 #define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004) 544 #define FILE_READ_EA_LE cpu_to_le32(0x00000008) 545 #define FILE_WRITE_EA_LE cpu_to_le32(0x00000010) 546 #define FILE_EXECUTE_LE cpu_to_le32(0x00000020) 547 #define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080) 548 #define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100) 549 #define FILE_DELETE_LE cpu_to_le32(0x00010000) 550 #define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000) 551 #define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000) 552 #define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000) 553 #define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000) 554 #define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000) 555 #define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000) 556 #define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000) 557 #define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000) 558 #define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000) 559 #define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000) 560 561 /* ShareAccess Flags */ 562 #define FILE_SHARE_READ_LE cpu_to_le32(0x00000001) 563 #define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002) 564 #define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004) 565 #define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007) 566 567 /* CreateDisposition Flags */ 568 #define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000) 569 #define FILE_OPEN_LE cpu_to_le32(0x00000001) 570 #define FILE_CREATE_LE cpu_to_le32(0x00000002) 571 #define FILE_OPEN_IF_LE cpu_to_le32(0x00000003) 572 #define FILE_OVERWRITE_LE cpu_to_le32(0x00000004) 573 #define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005) 574 575 /* CreateOptions Flags */ 576 #define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001) 577 /* same as #define CREATE_NOT_FILE_LE cpu_to_le32(0x00000001) */ 578 #define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002) 579 #define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004) 580 #define FILE_NO_INTERMEDIATE_BUFFERRING_LE cpu_to_le32(0x00000008) 581 #define FILE_SYNCHRONOUS_IO_ALERT_LE cpu_to_le32(0x00000010) 582 #define FILE_SYNCHRONOUS_IO_NON_ALERT_LE cpu_to_le32(0x00000020) 583 #define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040) 584 #define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100) 585 #define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200) 586 #define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800) 587 #define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000) 588 #define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000) 589 #define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000) 590 #define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000) 591 #define FILE_RESERVE_OPFILTER_LE cpu_to_le32(0x00100000) 592 #define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000) 593 #define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000) 594 #define FILE_OPEN_FOR_FREE_SPACE_QUERY_LE cpu_to_le32(0x00800000) 595 596 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \ 597 | FILE_READ_ATTRIBUTES_LE) 598 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \ 599 | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE) 600 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE) 601 602 /* Impersonation Levels */ 603 #define IL_ANONYMOUS cpu_to_le32(0x00000000) 604 #define IL_IDENTIFICATION cpu_to_le32(0x00000001) 605 #define IL_IMPERSONATION cpu_to_le32(0x00000002) 606 #define IL_DELEGATE cpu_to_le32(0x00000003) 607 608 /* Create Context Values */ 609 #define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */ 610 #define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */ 611 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ" 612 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC" 613 #define SMB2_CREATE_ALLOCATION_SIZE "AISi" 614 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc" 615 #define SMB2_CREATE_TIMEWARP_REQUEST "TWrp" 616 #define SMB2_CREATE_QUERY_ON_DISK_ID "QFid" 617 #define SMB2_CREATE_REQUEST_LEASE "RqLs" 618 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q" 619 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C" 620 #define SMB2_CREATE_APP_INSTANCE_ID 0x45BCA66AEFA7F74A9008FA462E144D74 621 #define SVHDX_OPEN_DEVICE_CONTEX 0x9CCBCF9E04C1E643980E158DA1F6EC83 622 #define SMB2_CREATE_TAG_POSIX 0x93AD25509CB411E7B42383DE968BCD7C 623 624 625 /* 626 * Maximum number of iovs we need for an open/create request. 627 * [0] : struct smb2_create_req 628 * [1] : path 629 * [2] : lease context 630 * [3] : durable context 631 * [4] : posix context 632 * [5] : time warp context 633 * [6] : compound padding 634 */ 635 #define SMB2_CREATE_IOV_SIZE 7 636 637 struct smb2_create_req { 638 struct smb2_sync_hdr sync_hdr; 639 __le16 StructureSize; /* Must be 57 */ 640 __u8 SecurityFlags; 641 __u8 RequestedOplockLevel; 642 __le32 ImpersonationLevel; 643 __le64 SmbCreateFlags; 644 __le64 Reserved; 645 __le32 DesiredAccess; 646 __le32 FileAttributes; 647 __le32 ShareAccess; 648 __le32 CreateDisposition; 649 __le32 CreateOptions; 650 __le16 NameOffset; 651 __le16 NameLength; 652 __le32 CreateContextsOffset; 653 __le32 CreateContextsLength; 654 __u8 Buffer[0]; 655 } __packed; 656 657 struct smb2_create_rsp { 658 struct smb2_sync_hdr sync_hdr; 659 __le16 StructureSize; /* Must be 89 */ 660 __u8 OplockLevel; 661 __u8 Reserved; 662 __le32 CreateAction; 663 __le64 CreationTime; 664 __le64 LastAccessTime; 665 __le64 LastWriteTime; 666 __le64 ChangeTime; 667 __le64 AllocationSize; 668 __le64 EndofFile; 669 __le32 FileAttributes; 670 __le32 Reserved2; 671 __u64 PersistentFileId; /* opaque endianness */ 672 __u64 VolatileFileId; /* opaque endianness */ 673 __le32 CreateContextsOffset; 674 __le32 CreateContextsLength; 675 __u8 Buffer[1]; 676 } __packed; 677 678 struct create_context { 679 __le32 Next; 680 __le16 NameOffset; 681 __le16 NameLength; 682 __le16 Reserved; 683 __le16 DataOffset; 684 __le32 DataLength; 685 __u8 Buffer[0]; 686 } __packed; 687 688 #define SMB2_LEASE_READ_CACHING_HE 0x01 689 #define SMB2_LEASE_HANDLE_CACHING_HE 0x02 690 #define SMB2_LEASE_WRITE_CACHING_HE 0x04 691 692 #define SMB2_LEASE_NONE cpu_to_le32(0x00) 693 #define SMB2_LEASE_READ_CACHING cpu_to_le32(0x01) 694 #define SMB2_LEASE_HANDLE_CACHING cpu_to_le32(0x02) 695 #define SMB2_LEASE_WRITE_CACHING cpu_to_le32(0x04) 696 697 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS cpu_to_le32(0x02) 698 #define SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET cpu_to_le32(0x00000004) 699 700 #define SMB2_LEASE_KEY_SIZE 16 701 702 struct lease_context { 703 u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 704 __le32 LeaseState; 705 __le32 LeaseFlags; 706 __le64 LeaseDuration; 707 } __packed; 708 709 struct lease_context_v2 { 710 u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 711 __le32 LeaseState; 712 __le32 LeaseFlags; 713 __le64 LeaseDuration; 714 __le64 ParentLeaseKeyLow; 715 __le64 ParentLeaseKeyHigh; 716 __le16 Epoch; 717 __le16 Reserved; 718 } __packed; 719 720 struct create_lease { 721 struct create_context ccontext; 722 __u8 Name[8]; 723 struct lease_context lcontext; 724 } __packed; 725 726 struct create_lease_v2 { 727 struct create_context ccontext; 728 __u8 Name[8]; 729 struct lease_context_v2 lcontext; 730 __u8 Pad[4]; 731 } __packed; 732 733 struct create_durable { 734 struct create_context ccontext; 735 __u8 Name[8]; 736 union { 737 __u8 Reserved[16]; 738 struct { 739 __u64 PersistentFileId; 740 __u64 VolatileFileId; 741 } Fid; 742 } Data; 743 } __packed; 744 745 struct create_posix { 746 struct create_context ccontext; 747 __u8 Name[16]; 748 __le32 Mode; 749 __u32 Reserved; 750 } __packed; 751 752 /* See MS-SMB2 2.2.13.2.11 */ 753 /* Flags */ 754 #define SMB2_DHANDLE_FLAG_PERSISTENT 0x00000002 755 struct durable_context_v2 { 756 __le32 Timeout; 757 __le32 Flags; 758 __u64 Reserved; 759 __u8 CreateGuid[16]; 760 } __packed; 761 762 struct create_durable_v2 { 763 struct create_context ccontext; 764 __u8 Name[8]; 765 struct durable_context_v2 dcontext; 766 } __packed; 767 768 /* See MS-SMB2 2.2.13.2.12 */ 769 struct durable_reconnect_context_v2 { 770 struct { 771 __u64 PersistentFileId; 772 __u64 VolatileFileId; 773 } Fid; 774 __u8 CreateGuid[16]; 775 __le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */ 776 } __packed; 777 778 /* See MS-SMB2 2.2.14.2.12 */ 779 struct durable_reconnect_context_v2_rsp { 780 __le32 Timeout; 781 __le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */ 782 } __packed; 783 784 struct create_durable_handle_reconnect_v2 { 785 struct create_context ccontext; 786 __u8 Name[8]; 787 struct durable_reconnect_context_v2 dcontext; 788 __u8 Pad[4]; 789 } __packed; 790 791 /* See MS-SMB2 2.2.13.2.5 */ 792 struct crt_twarp_ctxt { 793 struct create_context ccontext; 794 __u8 Name[8]; 795 __le64 Timestamp; 796 797 } __packed; 798 799 #define COPY_CHUNK_RES_KEY_SIZE 24 800 struct resume_key_req { 801 char ResumeKey[COPY_CHUNK_RES_KEY_SIZE]; 802 __le32 ContextLength; /* MBZ */ 803 char Context[0]; /* ignored, Windows sets to 4 bytes of zero */ 804 } __packed; 805 806 /* this goes in the ioctl buffer when doing a copychunk request */ 807 struct copychunk_ioctl { 808 char SourceKey[COPY_CHUNK_RES_KEY_SIZE]; 809 __le32 ChunkCount; /* we are only sending 1 */ 810 __le32 Reserved; 811 /* array will only be one chunk long for us */ 812 __le64 SourceOffset; 813 __le64 TargetOffset; 814 __le32 Length; /* how many bytes to copy */ 815 __u32 Reserved2; 816 } __packed; 817 818 /* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */ 819 struct file_zero_data_information { 820 __le64 FileOffset; 821 __le64 BeyondFinalZero; 822 } __packed; 823 824 struct copychunk_ioctl_rsp { 825 __le32 ChunksWritten; 826 __le32 ChunkBytesWritten; 827 __le32 TotalBytesWritten; 828 } __packed; 829 830 struct fsctl_set_integrity_information_req { 831 __le16 ChecksumAlgorithm; 832 __le16 Reserved; 833 __le32 Flags; 834 } __packed; 835 836 struct fsctl_get_integrity_information_rsp { 837 __le16 ChecksumAlgorithm; 838 __le16 Reserved; 839 __le32 Flags; 840 __le32 ChecksumChunkSizeInBytes; 841 __le32 ClusterSizeInBytes; 842 } __packed; 843 844 /* Integrity ChecksumAlgorithm choices for above */ 845 #define CHECKSUM_TYPE_NONE 0x0000 846 #define CHECKSUM_TYPE_CRC64 0x0002 847 #define CHECKSUM_TYPE_UNCHANGED 0xFFFF /* set only */ 848 849 /* Integrity flags for above */ 850 #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x00000001 851 852 /* See MS-DFSC 2.2.2 */ 853 struct fsctl_get_dfs_referral_req { 854 __le16 MaxReferralLevel; 855 __u8 RequestFileName[]; 856 } __packed; 857 858 /* DFS response is struct get_dfs_refer_rsp */ 859 860 /* See MS-SMB2 2.2.31.3 */ 861 struct network_resiliency_req { 862 __le32 Timeout; 863 __le32 Reserved; 864 } __packed; 865 /* There is no buffer for the response ie no struct network_resiliency_rsp */ 866 867 868 struct validate_negotiate_info_req { 869 __le32 Capabilities; 870 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 871 __le16 SecurityMode; 872 __le16 DialectCount; 873 __le16 Dialects[3]; /* BB expand this if autonegotiate > 3 dialects */ 874 } __packed; 875 876 struct validate_negotiate_info_rsp { 877 __le32 Capabilities; 878 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 879 __le16 SecurityMode; 880 __le16 Dialect; /* Dialect in use for the connection */ 881 } __packed; 882 883 #define RSS_CAPABLE cpu_to_le32(0x00000001) 884 #define RDMA_CAPABLE cpu_to_le32(0x00000002) 885 886 #define INTERNETWORK cpu_to_le16(0x0002) 887 #define INTERNETWORKV6 cpu_to_le16(0x0017) 888 889 struct network_interface_info_ioctl_rsp { 890 __le32 Next; /* next interface. zero if this is last one */ 891 __le32 IfIndex; 892 __le32 Capability; /* RSS or RDMA Capable */ 893 __le32 Reserved; 894 __le64 LinkSpeed; 895 __le16 Family; 896 __u8 Buffer[126]; 897 } __packed; 898 899 struct iface_info_ipv4 { 900 __be16 Port; 901 __be32 IPv4Address; 902 __be64 Reserved; 903 } __packed; 904 905 struct iface_info_ipv6 { 906 __be16 Port; 907 __be32 FlowInfo; 908 __u8 IPv6Address[16]; 909 __be32 ScopeId; 910 } __packed; 911 912 #define NO_FILE_ID 0xFFFFFFFFFFFFFFFFULL /* general ioctls to srv not to file */ 913 914 struct compress_ioctl { 915 __le16 CompressionState; /* See cifspdu.h for possible flag values */ 916 } __packed; 917 918 struct duplicate_extents_to_file { 919 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 920 __u64 VolatileFileHandle; 921 __le64 SourceFileOffset; 922 __le64 TargetFileOffset; 923 __le64 ByteCount; /* Bytes to be copied */ 924 } __packed; 925 926 struct smb2_ioctl_req { 927 struct smb2_sync_hdr sync_hdr; 928 __le16 StructureSize; /* Must be 57 */ 929 __u16 Reserved; 930 __le32 CtlCode; 931 __u64 PersistentFileId; /* opaque endianness */ 932 __u64 VolatileFileId; /* opaque endianness */ 933 __le32 InputOffset; 934 __le32 InputCount; 935 __le32 MaxInputResponse; 936 __le32 OutputOffset; 937 __le32 OutputCount; 938 __le32 MaxOutputResponse; 939 __le32 Flags; 940 __u32 Reserved2; 941 __u8 Buffer[0]; 942 } __packed; 943 944 struct smb2_ioctl_rsp { 945 struct smb2_sync_hdr sync_hdr; 946 __le16 StructureSize; /* Must be 57 */ 947 __u16 Reserved; 948 __le32 CtlCode; 949 __u64 PersistentFileId; /* opaque endianness */ 950 __u64 VolatileFileId; /* opaque endianness */ 951 __le32 InputOffset; 952 __le32 InputCount; 953 __le32 OutputOffset; 954 __le32 OutputCount; 955 __le32 Flags; 956 __u32 Reserved2; 957 /* char * buffer[] */ 958 } __packed; 959 960 /* Currently defined values for close flags */ 961 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001) 962 struct smb2_close_req { 963 struct smb2_sync_hdr sync_hdr; 964 __le16 StructureSize; /* Must be 24 */ 965 __le16 Flags; 966 __le32 Reserved; 967 __u64 PersistentFileId; /* opaque endianness */ 968 __u64 VolatileFileId; /* opaque endianness */ 969 } __packed; 970 971 struct smb2_close_rsp { 972 struct smb2_sync_hdr sync_hdr; 973 __le16 StructureSize; /* 60 */ 974 __le16 Flags; 975 __le32 Reserved; 976 __le64 CreationTime; 977 __le64 LastAccessTime; 978 __le64 LastWriteTime; 979 __le64 ChangeTime; 980 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 981 __le64 EndOfFile; 982 __le32 Attributes; 983 } __packed; 984 985 struct smb2_flush_req { 986 struct smb2_sync_hdr sync_hdr; 987 __le16 StructureSize; /* Must be 24 */ 988 __le16 Reserved1; 989 __le32 Reserved2; 990 __u64 PersistentFileId; /* opaque endianness */ 991 __u64 VolatileFileId; /* opaque endianness */ 992 } __packed; 993 994 struct smb2_flush_rsp { 995 struct smb2_sync_hdr sync_hdr; 996 __le16 StructureSize; 997 __le16 Reserved; 998 } __packed; 999 1000 /* For read request Flags field below, following flag is defined for SMB3.02 */ 1001 #define SMB2_READFLAG_READ_UNBUFFERED 0x01 1002 1003 /* Channel field for read and write: exactly one of following flags can be set*/ 1004 #define SMB2_CHANNEL_NONE cpu_to_le32(0x00000000) 1005 #define SMB2_CHANNEL_RDMA_V1 cpu_to_le32(0x00000001) /* SMB3 or later */ 1006 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) /* >= SMB3.02 */ 1007 1008 /* SMB2 read request without RFC1001 length at the beginning */ 1009 struct smb2_read_plain_req { 1010 struct smb2_sync_hdr sync_hdr; 1011 __le16 StructureSize; /* Must be 49 */ 1012 __u8 Padding; /* offset from start of SMB2 header to place read */ 1013 __u8 Flags; /* MBZ unless SMB3.02 or later */ 1014 __le32 Length; 1015 __le64 Offset; 1016 __u64 PersistentFileId; /* opaque endianness */ 1017 __u64 VolatileFileId; /* opaque endianness */ 1018 __le32 MinimumCount; 1019 __le32 Channel; /* MBZ except for SMB3 or later */ 1020 __le32 RemainingBytes; 1021 __le16 ReadChannelInfoOffset; 1022 __le16 ReadChannelInfoLength; 1023 __u8 Buffer[1]; 1024 } __packed; 1025 1026 struct smb2_read_rsp { 1027 struct smb2_sync_hdr sync_hdr; 1028 __le16 StructureSize; /* Must be 17 */ 1029 __u8 DataOffset; 1030 __u8 Reserved; 1031 __le32 DataLength; 1032 __le32 DataRemaining; 1033 __u32 Reserved2; 1034 __u8 Buffer[1]; 1035 } __packed; 1036 1037 /* For write request Flags field below the following flags are defined: */ 1038 #define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 /* SMB2.1 or later */ 1039 #define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002 /* SMB3.02 or later */ 1040 1041 struct smb2_write_req { 1042 struct smb2_sync_hdr sync_hdr; 1043 __le16 StructureSize; /* Must be 49 */ 1044 __le16 DataOffset; /* offset from start of SMB2 header to write data */ 1045 __le32 Length; 1046 __le64 Offset; 1047 __u64 PersistentFileId; /* opaque endianness */ 1048 __u64 VolatileFileId; /* opaque endianness */ 1049 __le32 Channel; /* Reserved MBZ */ 1050 __le32 RemainingBytes; 1051 __le16 WriteChannelInfoOffset; 1052 __le16 WriteChannelInfoLength; 1053 __le32 Flags; 1054 __u8 Buffer[1]; 1055 } __packed; 1056 1057 struct smb2_write_rsp { 1058 struct smb2_sync_hdr sync_hdr; 1059 __le16 StructureSize; /* Must be 17 */ 1060 __u8 DataOffset; 1061 __u8 Reserved; 1062 __le32 DataLength; 1063 __le32 DataRemaining; 1064 __u32 Reserved2; 1065 __u8 Buffer[1]; 1066 } __packed; 1067 1068 #define SMB2_LOCKFLAG_SHARED_LOCK 0x0001 1069 #define SMB2_LOCKFLAG_EXCLUSIVE_LOCK 0x0002 1070 #define SMB2_LOCKFLAG_UNLOCK 0x0004 1071 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY 0x0010 1072 1073 struct smb2_lock_element { 1074 __le64 Offset; 1075 __le64 Length; 1076 __le32 Flags; 1077 __le32 Reserved; 1078 } __packed; 1079 1080 struct smb2_lock_req { 1081 struct smb2_sync_hdr sync_hdr; 1082 __le16 StructureSize; /* Must be 48 */ 1083 __le16 LockCount; 1084 __le32 Reserved; 1085 __u64 PersistentFileId; /* opaque endianness */ 1086 __u64 VolatileFileId; /* opaque endianness */ 1087 /* Followed by at least one */ 1088 struct smb2_lock_element locks[1]; 1089 } __packed; 1090 1091 struct smb2_lock_rsp { 1092 struct smb2_sync_hdr sync_hdr; 1093 __le16 StructureSize; /* Must be 4 */ 1094 __le16 Reserved; 1095 } __packed; 1096 1097 struct smb2_echo_req { 1098 struct smb2_sync_hdr sync_hdr; 1099 __le16 StructureSize; /* Must be 4 */ 1100 __u16 Reserved; 1101 } __packed; 1102 1103 struct smb2_echo_rsp { 1104 struct smb2_sync_hdr sync_hdr; 1105 __le16 StructureSize; /* Must be 4 */ 1106 __u16 Reserved; 1107 } __packed; 1108 1109 /* search (query_directory) Flags field */ 1110 #define SMB2_RESTART_SCANS 0x01 1111 #define SMB2_RETURN_SINGLE_ENTRY 0x02 1112 #define SMB2_INDEX_SPECIFIED 0x04 1113 #define SMB2_REOPEN 0x10 1114 1115 struct smb2_query_directory_req { 1116 struct smb2_sync_hdr sync_hdr; 1117 __le16 StructureSize; /* Must be 33 */ 1118 __u8 FileInformationClass; 1119 __u8 Flags; 1120 __le32 FileIndex; 1121 __u64 PersistentFileId; /* opaque endianness */ 1122 __u64 VolatileFileId; /* opaque endianness */ 1123 __le16 FileNameOffset; 1124 __le16 FileNameLength; 1125 __le32 OutputBufferLength; 1126 __u8 Buffer[1]; 1127 } __packed; 1128 1129 struct smb2_query_directory_rsp { 1130 struct smb2_sync_hdr sync_hdr; 1131 __le16 StructureSize; /* Must be 9 */ 1132 __le16 OutputBufferOffset; 1133 __le32 OutputBufferLength; 1134 __u8 Buffer[1]; 1135 } __packed; 1136 1137 /* Possible InfoType values */ 1138 #define SMB2_O_INFO_FILE 0x01 1139 #define SMB2_O_INFO_FILESYSTEM 0x02 1140 #define SMB2_O_INFO_SECURITY 0x03 1141 #define SMB2_O_INFO_QUOTA 0x04 1142 1143 /* Security info type additionalinfo flags. See MS-SMB2 (2.2.37) or MS-DTYP */ 1144 #define OWNER_SECINFO 0x00000001 1145 #define GROUP_SECINFO 0x00000002 1146 #define DACL_SECINFO 0x00000004 1147 #define SACL_SECINFO 0x00000008 1148 #define LABEL_SECINFO 0x00000010 1149 #define ATTRIBUTE_SECINFO 0x00000020 1150 #define SCOPE_SECINFO 0x00000040 1151 #define BACKUP_SECINFO 0x00010000 1152 #define UNPROTECTED_SACL_SECINFO 0x10000000 1153 #define UNPROTECTED_DACL_SECINFO 0x20000000 1154 #define PROTECTED_SACL_SECINFO 0x40000000 1155 #define PROTECTED_DACL_SECINFO 0x80000000 1156 1157 /* Flags used for FileFullEAinfo */ 1158 #define SL_RESTART_SCAN 0x00000001 1159 #define SL_RETURN_SINGLE_ENTRY 0x00000002 1160 #define SL_INDEX_SPECIFIED 0x00000004 1161 1162 struct smb2_query_info_req { 1163 struct smb2_sync_hdr sync_hdr; 1164 __le16 StructureSize; /* Must be 41 */ 1165 __u8 InfoType; 1166 __u8 FileInfoClass; 1167 __le32 OutputBufferLength; 1168 __le16 InputBufferOffset; 1169 __u16 Reserved; 1170 __le32 InputBufferLength; 1171 __le32 AdditionalInformation; 1172 __le32 Flags; 1173 __u64 PersistentFileId; /* opaque endianness */ 1174 __u64 VolatileFileId; /* opaque endianness */ 1175 __u8 Buffer[1]; 1176 } __packed; 1177 1178 struct smb2_query_info_rsp { 1179 struct smb2_sync_hdr sync_hdr; 1180 __le16 StructureSize; /* Must be 9 */ 1181 __le16 OutputBufferOffset; 1182 __le32 OutputBufferLength; 1183 __u8 Buffer[1]; 1184 } __packed; 1185 1186 struct smb2_set_info_req { 1187 struct smb2_sync_hdr sync_hdr; 1188 __le16 StructureSize; /* Must be 33 */ 1189 __u8 InfoType; 1190 __u8 FileInfoClass; 1191 __le32 BufferLength; 1192 __le16 BufferOffset; 1193 __u16 Reserved; 1194 __le32 AdditionalInformation; 1195 __u64 PersistentFileId; /* opaque endianness */ 1196 __u64 VolatileFileId; /* opaque endianness */ 1197 __u8 Buffer[1]; 1198 } __packed; 1199 1200 struct smb2_set_info_rsp { 1201 struct smb2_sync_hdr sync_hdr; 1202 __le16 StructureSize; /* Must be 2 */ 1203 } __packed; 1204 1205 struct smb2_oplock_break { 1206 struct smb2_sync_hdr sync_hdr; 1207 __le16 StructureSize; /* Must be 24 */ 1208 __u8 OplockLevel; 1209 __u8 Reserved; 1210 __le32 Reserved2; 1211 __u64 PersistentFid; 1212 __u64 VolatileFid; 1213 } __packed; 1214 1215 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01) 1216 1217 struct smb2_lease_break { 1218 struct smb2_sync_hdr sync_hdr; 1219 __le16 StructureSize; /* Must be 44 */ 1220 __le16 Epoch; 1221 __le32 Flags; 1222 __u8 LeaseKey[16]; 1223 __le32 CurrentLeaseState; 1224 __le32 NewLeaseState; 1225 __le32 BreakReason; 1226 __le32 AccessMaskHint; 1227 __le32 ShareMaskHint; 1228 } __packed; 1229 1230 struct smb2_lease_ack { 1231 struct smb2_sync_hdr sync_hdr; 1232 __le16 StructureSize; /* Must be 36 */ 1233 __le16 Reserved; 1234 __le32 Flags; 1235 __u8 LeaseKey[16]; 1236 __le32 LeaseState; 1237 __le64 LeaseDuration; 1238 } __packed; 1239 1240 /* 1241 * PDU infolevel structure definitions 1242 * BB consider moving to a different header 1243 */ 1244 1245 /* File System Information Classes */ 1246 #define FS_VOLUME_INFORMATION 1 /* Query */ 1247 #define FS_LABEL_INFORMATION 2 /* Local only */ 1248 #define FS_SIZE_INFORMATION 3 /* Query */ 1249 #define FS_DEVICE_INFORMATION 4 /* Query */ 1250 #define FS_ATTRIBUTE_INFORMATION 5 /* Query */ 1251 #define FS_CONTROL_INFORMATION 6 /* Query, Set */ 1252 #define FS_FULL_SIZE_INFORMATION 7 /* Query */ 1253 #define FS_OBJECT_ID_INFORMATION 8 /* Query, Set */ 1254 #define FS_DRIVER_PATH_INFORMATION 9 /* Local only */ 1255 #define FS_VOLUME_FLAGS_INFORMATION 10 /* Local only */ 1256 #define FS_SECTOR_SIZE_INFORMATION 11 /* SMB3 or later. Query */ 1257 #define FS_POSIX_INFORMATION 100 /* SMB3.1.1 POSIX. Query */ 1258 1259 struct smb2_fs_full_size_info { 1260 __le64 TotalAllocationUnits; 1261 __le64 CallerAvailableAllocationUnits; 1262 __le64 ActualAvailableAllocationUnits; 1263 __le32 SectorsPerAllocationUnit; 1264 __le32 BytesPerSector; 1265 } __packed; 1266 1267 #define SSINFO_FLAGS_ALIGNED_DEVICE 0x00000001 1268 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002 1269 #define SSINFO_FLAGS_NO_SEEK_PENALTY 0x00000004 1270 #define SSINFO_FLAGS_TRIM_ENABLED 0x00000008 1271 1272 /* sector size info struct */ 1273 struct smb3_fs_ss_info { 1274 __le32 LogicalBytesPerSector; 1275 __le32 PhysicalBytesPerSectorForAtomicity; 1276 __le32 PhysicalBytesPerSectorForPerf; 1277 __le32 FileSystemEffectivePhysicalBytesPerSectorForAtomicity; 1278 __le32 Flags; 1279 __le32 ByteOffsetForSectorAlignment; 1280 __le32 ByteOffsetForPartitionAlignment; 1281 } __packed; 1282 1283 /* volume info struct - see MS-FSCC 2.5.9 */ 1284 #define MAX_VOL_LABEL_LEN 32 1285 struct smb3_fs_vol_info { 1286 __le64 VolumeCreationTime; 1287 __u32 VolumeSerialNumber; 1288 __le32 VolumeLabelLength; /* includes trailing null */ 1289 __u8 SupportsObjects; /* True if eg like NTFS, supports objects */ 1290 __u8 Reserved; 1291 __u8 VolumeLabel[0]; /* variable len */ 1292 } __packed; 1293 1294 /* partial list of QUERY INFO levels */ 1295 #define FILE_DIRECTORY_INFORMATION 1 1296 #define FILE_FULL_DIRECTORY_INFORMATION 2 1297 #define FILE_BOTH_DIRECTORY_INFORMATION 3 1298 #define FILE_BASIC_INFORMATION 4 1299 #define FILE_STANDARD_INFORMATION 5 1300 #define FILE_INTERNAL_INFORMATION 6 1301 #define FILE_EA_INFORMATION 7 1302 #define FILE_ACCESS_INFORMATION 8 1303 #define FILE_NAME_INFORMATION 9 1304 #define FILE_RENAME_INFORMATION 10 1305 #define FILE_LINK_INFORMATION 11 1306 #define FILE_NAMES_INFORMATION 12 1307 #define FILE_DISPOSITION_INFORMATION 13 1308 #define FILE_POSITION_INFORMATION 14 1309 #define FILE_FULL_EA_INFORMATION 15 1310 #define FILE_MODE_INFORMATION 16 1311 #define FILE_ALIGNMENT_INFORMATION 17 1312 #define FILE_ALL_INFORMATION 18 1313 #define FILE_ALLOCATION_INFORMATION 19 1314 #define FILE_END_OF_FILE_INFORMATION 20 1315 #define FILE_ALTERNATE_NAME_INFORMATION 21 1316 #define FILE_STREAM_INFORMATION 22 1317 #define FILE_PIPE_INFORMATION 23 1318 #define FILE_PIPE_LOCAL_INFORMATION 24 1319 #define FILE_PIPE_REMOTE_INFORMATION 25 1320 #define FILE_MAILSLOT_QUERY_INFORMATION 26 1321 #define FILE_MAILSLOT_SET_INFORMATION 27 1322 #define FILE_COMPRESSION_INFORMATION 28 1323 #define FILE_OBJECT_ID_INFORMATION 29 1324 /* Number 30 not defined in documents */ 1325 #define FILE_MOVE_CLUSTER_INFORMATION 31 1326 #define FILE_QUOTA_INFORMATION 32 1327 #define FILE_REPARSE_POINT_INFORMATION 33 1328 #define FILE_NETWORK_OPEN_INFORMATION 34 1329 #define FILE_ATTRIBUTE_TAG_INFORMATION 35 1330 #define FILE_TRACKING_INFORMATION 36 1331 #define FILEID_BOTH_DIRECTORY_INFORMATION 37 1332 #define FILEID_FULL_DIRECTORY_INFORMATION 38 1333 #define FILE_VALID_DATA_LENGTH_INFORMATION 39 1334 #define FILE_SHORT_NAME_INFORMATION 40 1335 #define FILE_SFIO_RESERVE_INFORMATION 44 1336 #define FILE_SFIO_VOLUME_INFORMATION 45 1337 #define FILE_HARD_LINK_INFORMATION 46 1338 #define FILE_NORMALIZED_NAME_INFORMATION 48 1339 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50 1340 #define FILE_STANDARD_LINK_INFORMATION 54 1341 1342 struct smb2_file_internal_info { 1343 __le64 IndexNumber; 1344 } __packed; /* level 6 Query */ 1345 1346 struct smb2_file_rename_info { /* encoding of request for level 10 */ 1347 __u8 ReplaceIfExists; /* 1 = replace existing target with new */ 1348 /* 0 = fail if target already exists */ 1349 __u8 Reserved[7]; 1350 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1351 __le32 FileNameLength; 1352 char FileName[0]; /* New name to be assigned */ 1353 } __packed; /* level 10 Set */ 1354 1355 struct smb2_file_link_info { /* encoding of request for level 11 */ 1356 __u8 ReplaceIfExists; /* 1 = replace existing link with new */ 1357 /* 0 = fail if link already exists */ 1358 __u8 Reserved[7]; 1359 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1360 __le32 FileNameLength; 1361 char FileName[0]; /* Name to be assigned to new link */ 1362 } __packed; /* level 11 Set */ 1363 1364 #define SMB2_MIN_EA_BUF 2048 1365 #define SMB2_MAX_EA_BUF 65536 1366 1367 struct smb2_file_full_ea_info { /* encoding of response for level 15 */ 1368 __le32 next_entry_offset; 1369 __u8 flags; 1370 __u8 ea_name_length; 1371 __le16 ea_value_length; 1372 char ea_data[0]; /* \0 terminated name plus value */ 1373 } __packed; /* level 15 Set */ 1374 1375 /* 1376 * This level 18, although with struct with same name is different from cifs 1377 * level 0x107. Level 0x107 has an extra u64 between AccessFlags and 1378 * CurrentByteOffset. 1379 */ 1380 struct smb2_file_all_info { /* data block encoding of response to level 18 */ 1381 __le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */ 1382 __le64 LastAccessTime; 1383 __le64 LastWriteTime; 1384 __le64 ChangeTime; 1385 __le32 Attributes; 1386 __u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */ 1387 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 1388 __le64 EndOfFile; /* size ie offset to first free byte in file */ 1389 __le32 NumberOfLinks; /* hard links */ 1390 __u8 DeletePending; 1391 __u8 Directory; 1392 __u16 Pad2; /* End of FILE_STANDARD_INFO equivalent */ 1393 __le64 IndexNumber; 1394 __le32 EASize; 1395 __le32 AccessFlags; 1396 __le64 CurrentByteOffset; 1397 __le32 Mode; 1398 __le32 AlignmentRequirement; 1399 __le32 FileNameLength; 1400 char FileName[1]; 1401 } __packed; /* level 18 Query */ 1402 1403 struct smb2_file_eof_info { /* encoding of request for level 10 */ 1404 __le64 EndOfFile; /* new end of file value */ 1405 } __packed; /* level 20 Set */ 1406 1407 extern char smb2_padding[7]; 1408 1409 #endif /* _SMB2PDU_H */ 1410