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 /* 4 len + 52 transform hdr + 64 hdr + 56 create rsp */ 88 #define MAX_SMB2_HDR_SIZE 0x00b0 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[1]; /* One dialect (vers=) at a time for now */ 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_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 #define MIN_PREAUTH_CTXT_DATA_LEN (SMB311_SALT_SIZE + 6) 266 struct smb2_preauth_neg_context { 267 __le16 ContextType; /* 1 */ 268 __le16 DataLength; 269 __le32 Reserved; 270 __le16 HashAlgorithmCount; /* 1 */ 271 __le16 SaltLength; 272 __le16 HashAlgorithms; /* HashAlgorithms[0] since only one defined */ 273 __u8 Salt[SMB311_SALT_SIZE]; 274 } __packed; 275 276 /* Encryption Algorithms Ciphers */ 277 #define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001) 278 #define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002) 279 280 /* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */ 281 #define MIN_ENCRYPT_CTXT_DATA_LEN 4 282 struct smb2_encryption_neg_context { 283 __le16 ContextType; /* 2 */ 284 __le16 DataLength; 285 __le32 Reserved; 286 __le16 CipherCount; /* AES-128-GCM and AES-128-CCM */ 287 __le16 Ciphers[1]; /* Ciphers[0] since only one used now */ 288 } __packed; 289 290 #define POSIX_CTXT_DATA_LEN 8 291 struct smb2_posix_neg_context { 292 __le16 ContextType; /* 0x100 */ 293 __le16 DataLength; 294 __le32 Reserved; 295 __le64 Reserved1; /* In case needed for future (eg version or caps) */ 296 } __packed; 297 298 struct smb2_negotiate_rsp { 299 struct smb2_sync_hdr sync_hdr; 300 __le16 StructureSize; /* Must be 65 */ 301 __le16 SecurityMode; 302 __le16 DialectRevision; 303 __le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */ 304 __u8 ServerGUID[16]; 305 __le32 Capabilities; 306 __le32 MaxTransactSize; 307 __le32 MaxReadSize; 308 __le32 MaxWriteSize; 309 __le64 SystemTime; /* MBZ */ 310 __le64 ServerStartTime; 311 __le16 SecurityBufferOffset; 312 __le16 SecurityBufferLength; 313 __le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */ 314 __u8 Buffer[1]; /* variable length GSS security buffer */ 315 } __packed; 316 317 /* Flags */ 318 #define SMB2_SESSION_REQ_FLAG_BINDING 0x01 319 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04 320 321 struct smb2_sess_setup_req { 322 struct smb2_sync_hdr sync_hdr; 323 __le16 StructureSize; /* Must be 25 */ 324 __u8 Flags; 325 __u8 SecurityMode; 326 __le32 Capabilities; 327 __le32 Channel; 328 __le16 SecurityBufferOffset; 329 __le16 SecurityBufferLength; 330 __u64 PreviousSessionId; 331 __u8 Buffer[1]; /* variable length GSS security buffer */ 332 } __packed; 333 334 /* Currently defined SessionFlags */ 335 #define SMB2_SESSION_FLAG_IS_GUEST 0x0001 336 #define SMB2_SESSION_FLAG_IS_NULL 0x0002 337 #define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004 338 struct smb2_sess_setup_rsp { 339 struct smb2_sync_hdr sync_hdr; 340 __le16 StructureSize; /* Must be 9 */ 341 __le16 SessionFlags; 342 __le16 SecurityBufferOffset; 343 __le16 SecurityBufferLength; 344 __u8 Buffer[1]; /* variable length GSS security buffer */ 345 } __packed; 346 347 struct smb2_logoff_req { 348 struct smb2_sync_hdr sync_hdr; 349 __le16 StructureSize; /* Must be 4 */ 350 __le16 Reserved; 351 } __packed; 352 353 struct smb2_logoff_rsp { 354 struct smb2_sync_hdr sync_hdr; 355 __le16 StructureSize; /* Must be 4 */ 356 __le16 Reserved; 357 } __packed; 358 359 /* Flags/Reserved for SMB3.1.1 */ 360 #define SMB2_TREE_CONNECT_FLAG_CLUSTER_RECONNECT cpu_to_le16(0x0001) 361 #define SMB2_TREE_CONNECT_FLAG_REDIRECT_TO_OWNER cpu_to_le16(0x0002) 362 #define SMB2_TREE_CONNECT_FLAG_EXTENSION_PRESENT cpu_to_le16(0x0004) 363 364 struct smb2_tree_connect_req { 365 struct smb2_sync_hdr sync_hdr; 366 __le16 StructureSize; /* Must be 9 */ 367 __le16 Reserved; /* Flags in SMB3.1.1 */ 368 __le16 PathOffset; 369 __le16 PathLength; 370 __u8 Buffer[1]; /* variable length */ 371 } __packed; 372 373 /* See MS-SMB2 section 2.2.9.2 */ 374 /* Context Types */ 375 #define SMB2_RESERVED_TREE_CONNECT_CONTEXT_ID 0x0000 376 #define SMB2_REMOTED_IDENTITY_TREE_CONNECT_CONTEXT_ID cpu_to_le16(0x0001) 377 378 struct tree_connect_contexts { 379 __le16 ContextType; 380 __le16 DataLength; 381 __le32 Reserved; 382 __u8 Data[0]; 383 } __packed; 384 385 /* Remoted identity tree connect context structures - see MS-SMB2 2.2.9.2.1 */ 386 struct smb3_blob_data { 387 __le16 BlobSize; 388 __u8 BlobData[0]; 389 } __packed; 390 391 /* Valid values for Attr */ 392 #define SE_GROUP_MANDATORY 0x00000001 393 #define SE_GROUP_ENABLED_BY_DEFAULT 0x00000002 394 #define SE_GROUP_ENABLED 0x00000004 395 #define SE_GROUP_OWNER 0x00000008 396 #define SE_GROUP_USE_FOR_DENY_ONLY 0x00000010 397 #define SE_GROUP_INTEGRITY 0x00000020 398 #define SE_GROUP_INTEGRITY_ENABLED 0x00000040 399 #define SE_GROUP_RESOURCE 0x20000000 400 #define SE_GROUP_LOGON_ID 0xC0000000 401 402 /* struct sid_attr_data is SidData array in BlobData format then le32 Attr */ 403 404 struct sid_array_data { 405 __le16 SidAttrCount; 406 /* SidAttrList - array of sid_attr_data structs */ 407 } __packed; 408 409 struct luid_attr_data { 410 411 } __packed; 412 413 /* 414 * struct privilege_data is the same as BLOB_DATA - see MS-SMB2 2.2.9.2.1.5 415 * but with size of LUID_ATTR_DATA struct and BlobData set to LUID_ATTR DATA 416 */ 417 418 struct privilege_array_data { 419 __le16 PrivilegeCount; 420 /* array of privilege_data structs */ 421 } __packed; 422 423 struct remoted_identity_tcon_context { 424 __le16 TicketType; /* must be 0x0001 */ 425 __le16 TicketSize; /* total size of this struct */ 426 __le16 User; /* offset to SID_ATTR_DATA struct with user info */ 427 __le16 UserName; /* offset to null terminated Unicode username string */ 428 __le16 Domain; /* offset to null terminated Unicode domain name */ 429 __le16 Groups; /* offset to SID_ARRAY_DATA struct with group info */ 430 __le16 RestrictedGroups; /* similar to above */ 431 __le16 Privileges; /* offset to PRIVILEGE_ARRAY_DATA struct */ 432 __le16 PrimaryGroup; /* offset to SID_ARRAY_DATA struct */ 433 __le16 Owner; /* offset to BLOB_DATA struct */ 434 __le16 DefaultDacl; /* offset to BLOB_DATA struct */ 435 __le16 DeviceGroups; /* offset to SID_ARRAY_DATA struct */ 436 __le16 UserClaims; /* offset to BLOB_DATA struct */ 437 __le16 DeviceClaims; /* offset to BLOB_DATA struct */ 438 __u8 TicketInfo[0]; /* variable length buf - remoted identity data */ 439 } __packed; 440 441 struct smb2_tree_connect_req_extension { 442 __le32 TreeConnectContextOffset; 443 __le16 TreeConnectContextCount; 444 __u8 Reserved[10]; 445 __u8 PathName[0]; /* variable sized array */ 446 /* followed by array of TreeConnectContexts */ 447 } __packed; 448 449 struct smb2_tree_connect_rsp { 450 struct smb2_sync_hdr sync_hdr; 451 __le16 StructureSize; /* Must be 16 */ 452 __u8 ShareType; /* see below */ 453 __u8 Reserved; 454 __le32 ShareFlags; /* see below */ 455 __le32 Capabilities; /* see below */ 456 __le32 MaximalAccess; 457 } __packed; 458 459 /* Possible ShareType values */ 460 #define SMB2_SHARE_TYPE_DISK 0x01 461 #define SMB2_SHARE_TYPE_PIPE 0x02 462 #define SMB2_SHARE_TYPE_PRINT 0x03 463 464 /* 465 * Possible ShareFlags - exactly one and only one of the first 4 caching flags 466 * must be set (any of the remaining, SHI1005, flags may be set individually 467 * or in combination. 468 */ 469 #define SMB2_SHAREFLAG_MANUAL_CACHING 0x00000000 470 #define SMB2_SHAREFLAG_AUTO_CACHING 0x00000010 471 #define SMB2_SHAREFLAG_VDO_CACHING 0x00000020 472 #define SMB2_SHAREFLAG_NO_CACHING 0x00000030 473 #define SHI1005_FLAGS_DFS 0x00000001 474 #define SHI1005_FLAGS_DFS_ROOT 0x00000002 475 #define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS 0x00000100 476 #define SHI1005_FLAGS_FORCE_SHARED_DELETE 0x00000200 477 #define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING 0x00000400 478 #define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM 0x00000800 479 #define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK 0x00001000 480 #define SHI1005_FLAGS_ENABLE_HASH_V1 0x00002000 481 #define SHI1005_FLAGS_ENABLE_HASH_V2 0x00004000 482 #define SHI1005_FLAGS_ENCRYPT_DATA 0x00008000 483 #define SMB2_SHAREFLAG_IDENTITY_REMOTING 0x00040000 /* 3.1.1 */ 484 #define SHI1005_FLAGS_ALL 0x0004FF33 485 486 /* Possible share capabilities */ 487 #define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) /* all dialects */ 488 #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */ 489 #define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */ 490 #define SMB2_SHARE_CAP_CLUSTER cpu_to_le32(0x00000040) /* 3.0 */ 491 #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */ 492 #define SMB2_SHARE_CAP_REDIRECT_TO_OWNER cpu_to_le32(0x00000100) /* 3.1.1 */ 493 494 struct smb2_tree_disconnect_req { 495 struct smb2_sync_hdr sync_hdr; 496 __le16 StructureSize; /* Must be 4 */ 497 __le16 Reserved; 498 } __packed; 499 500 struct smb2_tree_disconnect_rsp { 501 struct smb2_sync_hdr sync_hdr; 502 __le16 StructureSize; /* Must be 4 */ 503 __le16 Reserved; 504 } __packed; 505 506 /* File Attrubutes */ 507 #define FILE_ATTRIBUTE_READONLY 0x00000001 508 #define FILE_ATTRIBUTE_HIDDEN 0x00000002 509 #define FILE_ATTRIBUTE_SYSTEM 0x00000004 510 #define FILE_ATTRIBUTE_DIRECTORY 0x00000010 511 #define FILE_ATTRIBUTE_ARCHIVE 0x00000020 512 #define FILE_ATTRIBUTE_NORMAL 0x00000080 513 #define FILE_ATTRIBUTE_TEMPORARY 0x00000100 514 #define FILE_ATTRIBUTE_SPARSE_FILE 0x00000200 515 #define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400 516 #define FILE_ATTRIBUTE_COMPRESSED 0x00000800 517 #define FILE_ATTRIBUTE_OFFLINE 0x00001000 518 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x00002000 519 #define FILE_ATTRIBUTE_ENCRYPTED 0x00004000 520 #define FILE_ATTRIBUTE_INTEGRITY_STREAM 0x00008000 521 #define FILE_ATTRIBUTE_NO_SCRUB_DATA 0x00020000 522 523 /* Oplock levels */ 524 #define SMB2_OPLOCK_LEVEL_NONE 0x00 525 #define SMB2_OPLOCK_LEVEL_II 0x01 526 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08 527 #define SMB2_OPLOCK_LEVEL_BATCH 0x09 528 #define SMB2_OPLOCK_LEVEL_LEASE 0xFF 529 /* Non-spec internal type */ 530 #define SMB2_OPLOCK_LEVEL_NOCHANGE 0x99 531 532 /* Desired Access Flags */ 533 #define FILE_READ_DATA_LE cpu_to_le32(0x00000001) 534 #define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002) 535 #define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004) 536 #define FILE_READ_EA_LE cpu_to_le32(0x00000008) 537 #define FILE_WRITE_EA_LE cpu_to_le32(0x00000010) 538 #define FILE_EXECUTE_LE cpu_to_le32(0x00000020) 539 #define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080) 540 #define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100) 541 #define FILE_DELETE_LE cpu_to_le32(0x00010000) 542 #define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000) 543 #define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000) 544 #define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000) 545 #define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000) 546 #define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000) 547 #define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000) 548 #define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000) 549 #define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000) 550 #define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000) 551 #define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000) 552 553 /* ShareAccess Flags */ 554 #define FILE_SHARE_READ_LE cpu_to_le32(0x00000001) 555 #define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002) 556 #define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004) 557 #define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007) 558 559 /* CreateDisposition Flags */ 560 #define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000) 561 #define FILE_OPEN_LE cpu_to_le32(0x00000001) 562 #define FILE_CREATE_LE cpu_to_le32(0x00000002) 563 #define FILE_OPEN_IF_LE cpu_to_le32(0x00000003) 564 #define FILE_OVERWRITE_LE cpu_to_le32(0x00000004) 565 #define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005) 566 567 /* CreateOptions Flags */ 568 #define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001) 569 /* same as #define CREATE_NOT_FILE_LE cpu_to_le32(0x00000001) */ 570 #define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002) 571 #define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004) 572 #define FILE_NO_INTERMEDIATE_BUFFERRING_LE cpu_to_le32(0x00000008) 573 #define FILE_SYNCHRONOUS_IO_ALERT_LE cpu_to_le32(0x00000010) 574 #define FILE_SYNCHRONOUS_IO_NON_ALERT_LE cpu_to_le32(0x00000020) 575 #define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040) 576 #define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100) 577 #define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200) 578 #define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800) 579 #define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000) 580 #define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000) 581 #define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000) 582 #define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000) 583 #define FILE_RESERVE_OPFILTER_LE cpu_to_le32(0x00100000) 584 #define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000) 585 #define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000) 586 #define FILE_OPEN_FOR_FREE_SPACE_QUERY_LE cpu_to_le32(0x00800000) 587 588 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \ 589 | FILE_READ_ATTRIBUTES_LE) 590 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \ 591 | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE) 592 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE) 593 594 /* Impersonation Levels */ 595 #define IL_ANONYMOUS cpu_to_le32(0x00000000) 596 #define IL_IDENTIFICATION cpu_to_le32(0x00000001) 597 #define IL_IMPERSONATION cpu_to_le32(0x00000002) 598 #define IL_DELEGATE cpu_to_le32(0x00000003) 599 600 /* Create Context Values */ 601 #define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */ 602 #define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */ 603 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ" 604 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC" 605 #define SMB2_CREATE_ALLOCATION_SIZE "AISi" 606 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc" 607 #define SMB2_CREATE_TIMEWARP_REQUEST "TWrp" 608 #define SMB2_CREATE_QUERY_ON_DISK_ID "QFid" 609 #define SMB2_CREATE_REQUEST_LEASE "RqLs" 610 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q" 611 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C" 612 #define SMB2_CREATE_APP_INSTANCE_ID 0x45BCA66AEFA7F74A9008FA462E144D74 613 #define SVHDX_OPEN_DEVICE_CONTEX 0x9CCBCF9E04C1E643980E158DA1F6EC83 614 #define SMB2_CREATE_TAG_POSIX 0x93AD25509CB411E7B42383DE968BCD7C 615 616 617 /* 618 * Maximum number of iovs we need for an open/create request. 619 * [0] : struct smb2_create_req 620 * [1] : path 621 * [2] : lease context 622 * [3] : durable context 623 * [4] : posix context 624 * [5] : time warp context 625 * [6] : compound padding 626 */ 627 #define SMB2_CREATE_IOV_SIZE 7 628 629 struct smb2_create_req { 630 struct smb2_sync_hdr sync_hdr; 631 __le16 StructureSize; /* Must be 57 */ 632 __u8 SecurityFlags; 633 __u8 RequestedOplockLevel; 634 __le32 ImpersonationLevel; 635 __le64 SmbCreateFlags; 636 __le64 Reserved; 637 __le32 DesiredAccess; 638 __le32 FileAttributes; 639 __le32 ShareAccess; 640 __le32 CreateDisposition; 641 __le32 CreateOptions; 642 __le16 NameOffset; 643 __le16 NameLength; 644 __le32 CreateContextsOffset; 645 __le32 CreateContextsLength; 646 __u8 Buffer[0]; 647 } __packed; 648 649 struct smb2_create_rsp { 650 struct smb2_sync_hdr sync_hdr; 651 __le16 StructureSize; /* Must be 89 */ 652 __u8 OplockLevel; 653 __u8 Reserved; 654 __le32 CreateAction; 655 __le64 CreationTime; 656 __le64 LastAccessTime; 657 __le64 LastWriteTime; 658 __le64 ChangeTime; 659 __le64 AllocationSize; 660 __le64 EndofFile; 661 __le32 FileAttributes; 662 __le32 Reserved2; 663 __u64 PersistentFileId; /* opaque endianness */ 664 __u64 VolatileFileId; /* opaque endianness */ 665 __le32 CreateContextsOffset; 666 __le32 CreateContextsLength; 667 __u8 Buffer[1]; 668 } __packed; 669 670 struct create_context { 671 __le32 Next; 672 __le16 NameOffset; 673 __le16 NameLength; 674 __le16 Reserved; 675 __le16 DataOffset; 676 __le32 DataLength; 677 __u8 Buffer[0]; 678 } __packed; 679 680 #define SMB2_LEASE_READ_CACHING_HE 0x01 681 #define SMB2_LEASE_HANDLE_CACHING_HE 0x02 682 #define SMB2_LEASE_WRITE_CACHING_HE 0x04 683 684 #define SMB2_LEASE_NONE cpu_to_le32(0x00) 685 #define SMB2_LEASE_READ_CACHING cpu_to_le32(0x01) 686 #define SMB2_LEASE_HANDLE_CACHING cpu_to_le32(0x02) 687 #define SMB2_LEASE_WRITE_CACHING cpu_to_le32(0x04) 688 689 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS cpu_to_le32(0x02) 690 #define SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET cpu_to_le32(0x00000004) 691 692 #define SMB2_LEASE_KEY_SIZE 16 693 694 struct lease_context { 695 u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 696 __le32 LeaseState; 697 __le32 LeaseFlags; 698 __le64 LeaseDuration; 699 } __packed; 700 701 struct lease_context_v2 { 702 u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 703 __le32 LeaseState; 704 __le32 LeaseFlags; 705 __le64 LeaseDuration; 706 __le64 ParentLeaseKeyLow; 707 __le64 ParentLeaseKeyHigh; 708 __le16 Epoch; 709 __le16 Reserved; 710 } __packed; 711 712 struct create_lease { 713 struct create_context ccontext; 714 __u8 Name[8]; 715 struct lease_context lcontext; 716 } __packed; 717 718 struct create_lease_v2 { 719 struct create_context ccontext; 720 __u8 Name[8]; 721 struct lease_context_v2 lcontext; 722 __u8 Pad[4]; 723 } __packed; 724 725 struct create_durable { 726 struct create_context ccontext; 727 __u8 Name[8]; 728 union { 729 __u8 Reserved[16]; 730 struct { 731 __u64 PersistentFileId; 732 __u64 VolatileFileId; 733 } Fid; 734 } Data; 735 } __packed; 736 737 struct create_posix { 738 struct create_context ccontext; 739 __u8 Name[16]; 740 __le32 Mode; 741 __u32 Reserved; 742 } __packed; 743 744 /* See MS-SMB2 2.2.13.2.11 */ 745 /* Flags */ 746 #define SMB2_DHANDLE_FLAG_PERSISTENT 0x00000002 747 struct durable_context_v2 { 748 __le32 Timeout; 749 __le32 Flags; 750 __u64 Reserved; 751 __u8 CreateGuid[16]; 752 } __packed; 753 754 struct create_durable_v2 { 755 struct create_context ccontext; 756 __u8 Name[8]; 757 struct durable_context_v2 dcontext; 758 } __packed; 759 760 /* See MS-SMB2 2.2.13.2.12 */ 761 struct durable_reconnect_context_v2 { 762 struct { 763 __u64 PersistentFileId; 764 __u64 VolatileFileId; 765 } Fid; 766 __u8 CreateGuid[16]; 767 __le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */ 768 } __packed; 769 770 /* See MS-SMB2 2.2.14.2.12 */ 771 struct durable_reconnect_context_v2_rsp { 772 __le32 Timeout; 773 __le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */ 774 } __packed; 775 776 struct create_durable_handle_reconnect_v2 { 777 struct create_context ccontext; 778 __u8 Name[8]; 779 struct durable_reconnect_context_v2 dcontext; 780 } __packed; 781 782 /* See MS-SMB2 2.2.13.2.5 */ 783 struct crt_twarp_ctxt { 784 struct create_context ccontext; 785 __u8 Name[8]; 786 __le64 Timestamp; 787 788 } __packed; 789 790 #define COPY_CHUNK_RES_KEY_SIZE 24 791 struct resume_key_req { 792 char ResumeKey[COPY_CHUNK_RES_KEY_SIZE]; 793 __le32 ContextLength; /* MBZ */ 794 char Context[0]; /* ignored, Windows sets to 4 bytes of zero */ 795 } __packed; 796 797 /* this goes in the ioctl buffer when doing a copychunk request */ 798 struct copychunk_ioctl { 799 char SourceKey[COPY_CHUNK_RES_KEY_SIZE]; 800 __le32 ChunkCount; /* we are only sending 1 */ 801 __le32 Reserved; 802 /* array will only be one chunk long for us */ 803 __le64 SourceOffset; 804 __le64 TargetOffset; 805 __le32 Length; /* how many bytes to copy */ 806 __u32 Reserved2; 807 } __packed; 808 809 /* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */ 810 struct file_zero_data_information { 811 __le64 FileOffset; 812 __le64 BeyondFinalZero; 813 } __packed; 814 815 struct copychunk_ioctl_rsp { 816 __le32 ChunksWritten; 817 __le32 ChunkBytesWritten; 818 __le32 TotalBytesWritten; 819 } __packed; 820 821 struct fsctl_set_integrity_information_req { 822 __le16 ChecksumAlgorithm; 823 __le16 Reserved; 824 __le32 Flags; 825 } __packed; 826 827 struct fsctl_get_integrity_information_rsp { 828 __le16 ChecksumAlgorithm; 829 __le16 Reserved; 830 __le32 Flags; 831 __le32 ChecksumChunkSizeInBytes; 832 __le32 ClusterSizeInBytes; 833 } __packed; 834 835 /* Integrity ChecksumAlgorithm choices for above */ 836 #define CHECKSUM_TYPE_NONE 0x0000 837 #define CHECKSUM_TYPE_CRC64 0x0002 838 #define CHECKSUM_TYPE_UNCHANGED 0xFFFF /* set only */ 839 840 /* Integrity flags for above */ 841 #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x00000001 842 843 /* See MS-DFSC 2.2.2 */ 844 struct fsctl_get_dfs_referral_req { 845 __le16 MaxReferralLevel; 846 __u8 RequestFileName[]; 847 } __packed; 848 849 /* DFS response is struct get_dfs_refer_rsp */ 850 851 /* See MS-SMB2 2.2.31.3 */ 852 struct network_resiliency_req { 853 __le32 Timeout; 854 __le32 Reserved; 855 } __packed; 856 /* There is no buffer for the response ie no struct network_resiliency_rsp */ 857 858 859 struct validate_negotiate_info_req { 860 __le32 Capabilities; 861 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 862 __le16 SecurityMode; 863 __le16 DialectCount; 864 __le16 Dialects[3]; /* BB expand this if autonegotiate > 3 dialects */ 865 } __packed; 866 867 struct validate_negotiate_info_rsp { 868 __le32 Capabilities; 869 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 870 __le16 SecurityMode; 871 __le16 Dialect; /* Dialect in use for the connection */ 872 } __packed; 873 874 #define RSS_CAPABLE cpu_to_le32(0x00000001) 875 #define RDMA_CAPABLE cpu_to_le32(0x00000002) 876 877 #define INTERNETWORK cpu_to_le16(0x0002) 878 #define INTERNETWORKV6 cpu_to_le16(0x0017) 879 880 struct network_interface_info_ioctl_rsp { 881 __le32 Next; /* next interface. zero if this is last one */ 882 __le32 IfIndex; 883 __le32 Capability; /* RSS or RDMA Capable */ 884 __le32 Reserved; 885 __le64 LinkSpeed; 886 __le16 Family; 887 __u8 Buffer[126]; 888 } __packed; 889 890 struct iface_info_ipv4 { 891 __be16 Port; 892 __be32 IPv4Address; 893 __be64 Reserved; 894 } __packed; 895 896 struct iface_info_ipv6 { 897 __be16 Port; 898 __be32 FlowInfo; 899 __u8 IPv6Address[16]; 900 __be32 ScopeId; 901 } __packed; 902 903 #define NO_FILE_ID 0xFFFFFFFFFFFFFFFFULL /* general ioctls to srv not to file */ 904 905 struct compress_ioctl { 906 __le16 CompressionState; /* See cifspdu.h for possible flag values */ 907 } __packed; 908 909 struct duplicate_extents_to_file { 910 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 911 __u64 VolatileFileHandle; 912 __le64 SourceFileOffset; 913 __le64 TargetFileOffset; 914 __le64 ByteCount; /* Bytes to be copied */ 915 } __packed; 916 917 struct smb2_ioctl_req { 918 struct smb2_sync_hdr sync_hdr; 919 __le16 StructureSize; /* Must be 57 */ 920 __u16 Reserved; 921 __le32 CtlCode; 922 __u64 PersistentFileId; /* opaque endianness */ 923 __u64 VolatileFileId; /* opaque endianness */ 924 __le32 InputOffset; 925 __le32 InputCount; 926 __le32 MaxInputResponse; 927 __le32 OutputOffset; 928 __le32 OutputCount; 929 __le32 MaxOutputResponse; 930 __le32 Flags; 931 __u32 Reserved2; 932 __u8 Buffer[0]; 933 } __packed; 934 935 struct smb2_ioctl_rsp { 936 struct smb2_sync_hdr sync_hdr; 937 __le16 StructureSize; /* Must be 57 */ 938 __u16 Reserved; 939 __le32 CtlCode; 940 __u64 PersistentFileId; /* opaque endianness */ 941 __u64 VolatileFileId; /* opaque endianness */ 942 __le32 InputOffset; 943 __le32 InputCount; 944 __le32 OutputOffset; 945 __le32 OutputCount; 946 __le32 Flags; 947 __u32 Reserved2; 948 /* char * buffer[] */ 949 } __packed; 950 951 /* Currently defined values for close flags */ 952 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001) 953 struct smb2_close_req { 954 struct smb2_sync_hdr sync_hdr; 955 __le16 StructureSize; /* Must be 24 */ 956 __le16 Flags; 957 __le32 Reserved; 958 __u64 PersistentFileId; /* opaque endianness */ 959 __u64 VolatileFileId; /* opaque endianness */ 960 } __packed; 961 962 struct smb2_close_rsp { 963 struct smb2_sync_hdr sync_hdr; 964 __le16 StructureSize; /* 60 */ 965 __le16 Flags; 966 __le32 Reserved; 967 __le64 CreationTime; 968 __le64 LastAccessTime; 969 __le64 LastWriteTime; 970 __le64 ChangeTime; 971 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 972 __le64 EndOfFile; 973 __le32 Attributes; 974 } __packed; 975 976 struct smb2_flush_req { 977 struct smb2_sync_hdr sync_hdr; 978 __le16 StructureSize; /* Must be 24 */ 979 __le16 Reserved1; 980 __le32 Reserved2; 981 __u64 PersistentFileId; /* opaque endianness */ 982 __u64 VolatileFileId; /* opaque endianness */ 983 } __packed; 984 985 struct smb2_flush_rsp { 986 struct smb2_sync_hdr sync_hdr; 987 __le16 StructureSize; 988 __le16 Reserved; 989 } __packed; 990 991 /* For read request Flags field below, following flag is defined for SMB3.02 */ 992 #define SMB2_READFLAG_READ_UNBUFFERED 0x01 993 994 /* Channel field for read and write: exactly one of following flags can be set*/ 995 #define SMB2_CHANNEL_NONE cpu_to_le32(0x00000000) 996 #define SMB2_CHANNEL_RDMA_V1 cpu_to_le32(0x00000001) /* SMB3 or later */ 997 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) /* >= SMB3.02 */ 998 999 /* SMB2 read request without RFC1001 length at the beginning */ 1000 struct smb2_read_plain_req { 1001 struct smb2_sync_hdr sync_hdr; 1002 __le16 StructureSize; /* Must be 49 */ 1003 __u8 Padding; /* offset from start of SMB2 header to place read */ 1004 __u8 Flags; /* MBZ unless SMB3.02 or later */ 1005 __le32 Length; 1006 __le64 Offset; 1007 __u64 PersistentFileId; /* opaque endianness */ 1008 __u64 VolatileFileId; /* opaque endianness */ 1009 __le32 MinimumCount; 1010 __le32 Channel; /* MBZ except for SMB3 or later */ 1011 __le32 RemainingBytes; 1012 __le16 ReadChannelInfoOffset; 1013 __le16 ReadChannelInfoLength; 1014 __u8 Buffer[1]; 1015 } __packed; 1016 1017 struct smb2_read_rsp { 1018 struct smb2_sync_hdr sync_hdr; 1019 __le16 StructureSize; /* Must be 17 */ 1020 __u8 DataOffset; 1021 __u8 Reserved; 1022 __le32 DataLength; 1023 __le32 DataRemaining; 1024 __u32 Reserved2; 1025 __u8 Buffer[1]; 1026 } __packed; 1027 1028 /* For write request Flags field below the following flags are defined: */ 1029 #define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 /* SMB2.1 or later */ 1030 #define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002 /* SMB3.02 or later */ 1031 1032 struct smb2_write_req { 1033 struct smb2_sync_hdr sync_hdr; 1034 __le16 StructureSize; /* Must be 49 */ 1035 __le16 DataOffset; /* offset from start of SMB2 header to write data */ 1036 __le32 Length; 1037 __le64 Offset; 1038 __u64 PersistentFileId; /* opaque endianness */ 1039 __u64 VolatileFileId; /* opaque endianness */ 1040 __le32 Channel; /* Reserved MBZ */ 1041 __le32 RemainingBytes; 1042 __le16 WriteChannelInfoOffset; 1043 __le16 WriteChannelInfoLength; 1044 __le32 Flags; 1045 __u8 Buffer[1]; 1046 } __packed; 1047 1048 struct smb2_write_rsp { 1049 struct smb2_sync_hdr sync_hdr; 1050 __le16 StructureSize; /* Must be 17 */ 1051 __u8 DataOffset; 1052 __u8 Reserved; 1053 __le32 DataLength; 1054 __le32 DataRemaining; 1055 __u32 Reserved2; 1056 __u8 Buffer[1]; 1057 } __packed; 1058 1059 #define SMB2_LOCKFLAG_SHARED_LOCK 0x0001 1060 #define SMB2_LOCKFLAG_EXCLUSIVE_LOCK 0x0002 1061 #define SMB2_LOCKFLAG_UNLOCK 0x0004 1062 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY 0x0010 1063 1064 struct smb2_lock_element { 1065 __le64 Offset; 1066 __le64 Length; 1067 __le32 Flags; 1068 __le32 Reserved; 1069 } __packed; 1070 1071 struct smb2_lock_req { 1072 struct smb2_sync_hdr sync_hdr; 1073 __le16 StructureSize; /* Must be 48 */ 1074 __le16 LockCount; 1075 __le32 Reserved; 1076 __u64 PersistentFileId; /* opaque endianness */ 1077 __u64 VolatileFileId; /* opaque endianness */ 1078 /* Followed by at least one */ 1079 struct smb2_lock_element locks[1]; 1080 } __packed; 1081 1082 struct smb2_lock_rsp { 1083 struct smb2_sync_hdr sync_hdr; 1084 __le16 StructureSize; /* Must be 4 */ 1085 __le16 Reserved; 1086 } __packed; 1087 1088 struct smb2_echo_req { 1089 struct smb2_sync_hdr sync_hdr; 1090 __le16 StructureSize; /* Must be 4 */ 1091 __u16 Reserved; 1092 } __packed; 1093 1094 struct smb2_echo_rsp { 1095 struct smb2_sync_hdr sync_hdr; 1096 __le16 StructureSize; /* Must be 4 */ 1097 __u16 Reserved; 1098 } __packed; 1099 1100 /* search (query_directory) Flags field */ 1101 #define SMB2_RESTART_SCANS 0x01 1102 #define SMB2_RETURN_SINGLE_ENTRY 0x02 1103 #define SMB2_INDEX_SPECIFIED 0x04 1104 #define SMB2_REOPEN 0x10 1105 1106 struct smb2_query_directory_req { 1107 struct smb2_sync_hdr sync_hdr; 1108 __le16 StructureSize; /* Must be 33 */ 1109 __u8 FileInformationClass; 1110 __u8 Flags; 1111 __le32 FileIndex; 1112 __u64 PersistentFileId; /* opaque endianness */ 1113 __u64 VolatileFileId; /* opaque endianness */ 1114 __le16 FileNameOffset; 1115 __le16 FileNameLength; 1116 __le32 OutputBufferLength; 1117 __u8 Buffer[1]; 1118 } __packed; 1119 1120 struct smb2_query_directory_rsp { 1121 struct smb2_sync_hdr sync_hdr; 1122 __le16 StructureSize; /* Must be 9 */ 1123 __le16 OutputBufferOffset; 1124 __le32 OutputBufferLength; 1125 __u8 Buffer[1]; 1126 } __packed; 1127 1128 /* Possible InfoType values */ 1129 #define SMB2_O_INFO_FILE 0x01 1130 #define SMB2_O_INFO_FILESYSTEM 0x02 1131 #define SMB2_O_INFO_SECURITY 0x03 1132 #define SMB2_O_INFO_QUOTA 0x04 1133 1134 /* Security info type additionalinfo flags. See MS-SMB2 (2.2.37) or MS-DTYP */ 1135 #define OWNER_SECINFO 0x00000001 1136 #define GROUP_SECINFO 0x00000002 1137 #define DACL_SECINFO 0x00000004 1138 #define SACL_SECINFO 0x00000008 1139 #define LABEL_SECINFO 0x00000010 1140 #define ATTRIBUTE_SECINFO 0x00000020 1141 #define SCOPE_SECINFO 0x00000040 1142 #define BACKUP_SECINFO 0x00010000 1143 #define UNPROTECTED_SACL_SECINFO 0x10000000 1144 #define UNPROTECTED_DACL_SECINFO 0x20000000 1145 #define PROTECTED_SACL_SECINFO 0x40000000 1146 #define PROTECTED_DACL_SECINFO 0x80000000 1147 1148 /* Flags used for FileFullEAinfo */ 1149 #define SL_RESTART_SCAN 0x00000001 1150 #define SL_RETURN_SINGLE_ENTRY 0x00000002 1151 #define SL_INDEX_SPECIFIED 0x00000004 1152 1153 struct smb2_query_info_req { 1154 struct smb2_sync_hdr sync_hdr; 1155 __le16 StructureSize; /* Must be 41 */ 1156 __u8 InfoType; 1157 __u8 FileInfoClass; 1158 __le32 OutputBufferLength; 1159 __le16 InputBufferOffset; 1160 __u16 Reserved; 1161 __le32 InputBufferLength; 1162 __le32 AdditionalInformation; 1163 __le32 Flags; 1164 __u64 PersistentFileId; /* opaque endianness */ 1165 __u64 VolatileFileId; /* opaque endianness */ 1166 __u8 Buffer[1]; 1167 } __packed; 1168 1169 struct smb2_query_info_rsp { 1170 struct smb2_sync_hdr sync_hdr; 1171 __le16 StructureSize; /* Must be 9 */ 1172 __le16 OutputBufferOffset; 1173 __le32 OutputBufferLength; 1174 __u8 Buffer[1]; 1175 } __packed; 1176 1177 struct smb2_set_info_req { 1178 struct smb2_sync_hdr sync_hdr; 1179 __le16 StructureSize; /* Must be 33 */ 1180 __u8 InfoType; 1181 __u8 FileInfoClass; 1182 __le32 BufferLength; 1183 __le16 BufferOffset; 1184 __u16 Reserved; 1185 __le32 AdditionalInformation; 1186 __u64 PersistentFileId; /* opaque endianness */ 1187 __u64 VolatileFileId; /* opaque endianness */ 1188 __u8 Buffer[1]; 1189 } __packed; 1190 1191 struct smb2_set_info_rsp { 1192 struct smb2_sync_hdr sync_hdr; 1193 __le16 StructureSize; /* Must be 2 */ 1194 } __packed; 1195 1196 struct smb2_oplock_break { 1197 struct smb2_sync_hdr sync_hdr; 1198 __le16 StructureSize; /* Must be 24 */ 1199 __u8 OplockLevel; 1200 __u8 Reserved; 1201 __le32 Reserved2; 1202 __u64 PersistentFid; 1203 __u64 VolatileFid; 1204 } __packed; 1205 1206 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01) 1207 1208 struct smb2_lease_break { 1209 struct smb2_sync_hdr sync_hdr; 1210 __le16 StructureSize; /* Must be 44 */ 1211 __le16 Reserved; 1212 __le32 Flags; 1213 __u8 LeaseKey[16]; 1214 __le32 CurrentLeaseState; 1215 __le32 NewLeaseState; 1216 __le32 BreakReason; 1217 __le32 AccessMaskHint; 1218 __le32 ShareMaskHint; 1219 } __packed; 1220 1221 struct smb2_lease_ack { 1222 struct smb2_sync_hdr sync_hdr; 1223 __le16 StructureSize; /* Must be 36 */ 1224 __le16 Reserved; 1225 __le32 Flags; 1226 __u8 LeaseKey[16]; 1227 __le32 LeaseState; 1228 __le64 LeaseDuration; 1229 } __packed; 1230 1231 /* 1232 * PDU infolevel structure definitions 1233 * BB consider moving to a different header 1234 */ 1235 1236 /* File System Information Classes */ 1237 #define FS_VOLUME_INFORMATION 1 /* Query */ 1238 #define FS_LABEL_INFORMATION 2 /* Local only */ 1239 #define FS_SIZE_INFORMATION 3 /* Query */ 1240 #define FS_DEVICE_INFORMATION 4 /* Query */ 1241 #define FS_ATTRIBUTE_INFORMATION 5 /* Query */ 1242 #define FS_CONTROL_INFORMATION 6 /* Query, Set */ 1243 #define FS_FULL_SIZE_INFORMATION 7 /* Query */ 1244 #define FS_OBJECT_ID_INFORMATION 8 /* Query, Set */ 1245 #define FS_DRIVER_PATH_INFORMATION 9 /* Local only */ 1246 #define FS_VOLUME_FLAGS_INFORMATION 10 /* Local only */ 1247 #define FS_SECTOR_SIZE_INFORMATION 11 /* SMB3 or later. Query */ 1248 #define FS_POSIX_INFORMATION 100 /* SMB3.1.1 POSIX. Query */ 1249 1250 struct smb2_fs_full_size_info { 1251 __le64 TotalAllocationUnits; 1252 __le64 CallerAvailableAllocationUnits; 1253 __le64 ActualAvailableAllocationUnits; 1254 __le32 SectorsPerAllocationUnit; 1255 __le32 BytesPerSector; 1256 } __packed; 1257 1258 #define SSINFO_FLAGS_ALIGNED_DEVICE 0x00000001 1259 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002 1260 #define SSINFO_FLAGS_NO_SEEK_PENALTY 0x00000004 1261 #define SSINFO_FLAGS_TRIM_ENABLED 0x00000008 1262 1263 /* sector size info struct */ 1264 struct smb3_fs_ss_info { 1265 __le32 LogicalBytesPerSector; 1266 __le32 PhysicalBytesPerSectorForAtomicity; 1267 __le32 PhysicalBytesPerSectorForPerf; 1268 __le32 FileSystemEffectivePhysicalBytesPerSectorForAtomicity; 1269 __le32 Flags; 1270 __le32 ByteOffsetForSectorAlignment; 1271 __le32 ByteOffsetForPartitionAlignment; 1272 } __packed; 1273 1274 /* volume info struct - see MS-FSCC 2.5.9 */ 1275 #define MAX_VOL_LABEL_LEN 32 1276 struct smb3_fs_vol_info { 1277 __le64 VolumeCreationTime; 1278 __u32 VolumeSerialNumber; 1279 __le32 VolumeLabelLength; /* includes trailing null */ 1280 __u8 SupportsObjects; /* True if eg like NTFS, supports objects */ 1281 __u8 Reserved; 1282 __u8 VolumeLabel[0]; /* variable len */ 1283 } __packed; 1284 1285 /* partial list of QUERY INFO levels */ 1286 #define FILE_DIRECTORY_INFORMATION 1 1287 #define FILE_FULL_DIRECTORY_INFORMATION 2 1288 #define FILE_BOTH_DIRECTORY_INFORMATION 3 1289 #define FILE_BASIC_INFORMATION 4 1290 #define FILE_STANDARD_INFORMATION 5 1291 #define FILE_INTERNAL_INFORMATION 6 1292 #define FILE_EA_INFORMATION 7 1293 #define FILE_ACCESS_INFORMATION 8 1294 #define FILE_NAME_INFORMATION 9 1295 #define FILE_RENAME_INFORMATION 10 1296 #define FILE_LINK_INFORMATION 11 1297 #define FILE_NAMES_INFORMATION 12 1298 #define FILE_DISPOSITION_INFORMATION 13 1299 #define FILE_POSITION_INFORMATION 14 1300 #define FILE_FULL_EA_INFORMATION 15 1301 #define FILE_MODE_INFORMATION 16 1302 #define FILE_ALIGNMENT_INFORMATION 17 1303 #define FILE_ALL_INFORMATION 18 1304 #define FILE_ALLOCATION_INFORMATION 19 1305 #define FILE_END_OF_FILE_INFORMATION 20 1306 #define FILE_ALTERNATE_NAME_INFORMATION 21 1307 #define FILE_STREAM_INFORMATION 22 1308 #define FILE_PIPE_INFORMATION 23 1309 #define FILE_PIPE_LOCAL_INFORMATION 24 1310 #define FILE_PIPE_REMOTE_INFORMATION 25 1311 #define FILE_MAILSLOT_QUERY_INFORMATION 26 1312 #define FILE_MAILSLOT_SET_INFORMATION 27 1313 #define FILE_COMPRESSION_INFORMATION 28 1314 #define FILE_OBJECT_ID_INFORMATION 29 1315 /* Number 30 not defined in documents */ 1316 #define FILE_MOVE_CLUSTER_INFORMATION 31 1317 #define FILE_QUOTA_INFORMATION 32 1318 #define FILE_REPARSE_POINT_INFORMATION 33 1319 #define FILE_NETWORK_OPEN_INFORMATION 34 1320 #define FILE_ATTRIBUTE_TAG_INFORMATION 35 1321 #define FILE_TRACKING_INFORMATION 36 1322 #define FILEID_BOTH_DIRECTORY_INFORMATION 37 1323 #define FILEID_FULL_DIRECTORY_INFORMATION 38 1324 #define FILE_VALID_DATA_LENGTH_INFORMATION 39 1325 #define FILE_SHORT_NAME_INFORMATION 40 1326 #define FILE_SFIO_RESERVE_INFORMATION 44 1327 #define FILE_SFIO_VOLUME_INFORMATION 45 1328 #define FILE_HARD_LINK_INFORMATION 46 1329 #define FILE_NORMALIZED_NAME_INFORMATION 48 1330 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50 1331 #define FILE_STANDARD_LINK_INFORMATION 54 1332 1333 struct smb2_file_internal_info { 1334 __le64 IndexNumber; 1335 } __packed; /* level 6 Query */ 1336 1337 struct smb2_file_rename_info { /* encoding of request for level 10 */ 1338 __u8 ReplaceIfExists; /* 1 = replace existing target with new */ 1339 /* 0 = fail if target already exists */ 1340 __u8 Reserved[7]; 1341 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1342 __le32 FileNameLength; 1343 char FileName[0]; /* New name to be assigned */ 1344 } __packed; /* level 10 Set */ 1345 1346 struct smb2_file_link_info { /* encoding of request for level 11 */ 1347 __u8 ReplaceIfExists; /* 1 = replace existing link with new */ 1348 /* 0 = fail if link already exists */ 1349 __u8 Reserved[7]; 1350 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1351 __le32 FileNameLength; 1352 char FileName[0]; /* Name to be assigned to new link */ 1353 } __packed; /* level 11 Set */ 1354 1355 #define SMB2_MIN_EA_BUF 2048 1356 #define SMB2_MAX_EA_BUF 65536 1357 1358 struct smb2_file_full_ea_info { /* encoding of response for level 15 */ 1359 __le32 next_entry_offset; 1360 __u8 flags; 1361 __u8 ea_name_length; 1362 __le16 ea_value_length; 1363 char ea_data[0]; /* \0 terminated name plus value */ 1364 } __packed; /* level 15 Set */ 1365 1366 /* 1367 * This level 18, although with struct with same name is different from cifs 1368 * level 0x107. Level 0x107 has an extra u64 between AccessFlags and 1369 * CurrentByteOffset. 1370 */ 1371 struct smb2_file_all_info { /* data block encoding of response to level 18 */ 1372 __le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */ 1373 __le64 LastAccessTime; 1374 __le64 LastWriteTime; 1375 __le64 ChangeTime; 1376 __le32 Attributes; 1377 __u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */ 1378 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 1379 __le64 EndOfFile; /* size ie offset to first free byte in file */ 1380 __le32 NumberOfLinks; /* hard links */ 1381 __u8 DeletePending; 1382 __u8 Directory; 1383 __u16 Pad2; /* End of FILE_STANDARD_INFO equivalent */ 1384 __le64 IndexNumber; 1385 __le32 EASize; 1386 __le32 AccessFlags; 1387 __le64 CurrentByteOffset; 1388 __le32 Mode; 1389 __le32 AlignmentRequirement; 1390 __le32 FileNameLength; 1391 char FileName[1]; 1392 } __packed; /* level 18 Query */ 1393 1394 struct smb2_file_eof_info { /* encoding of request for level 10 */ 1395 __le64 EndOfFile; /* new end of file value */ 1396 } __packed; /* level 20 Set */ 1397 1398 extern char smb2_padding[7]; 1399 1400 #endif /* _SMB2PDU_H */ 1401
