1/* SPDX-License-Identifier: LGPL-2.1 */ 2#ifndef _COMMON_SMB2PDU_H 3#define _COMMON_SMB2PDU_H 4 5/* 6 * Note that, due to trying to use names similar to the protocol specifications, 7 * there are many mixed case field names in the structures below. Although 8 * this does not match typical Linux kernel style, it is necessary to be 9 * able to match against the protocol specfication. 10 * 11 * SMB2 commands 12 * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses 13 * (ie no useful data other than the SMB error code itself) and are marked such. 14 * Knowing this helps avoid response buffer allocations and copy in some cases. 15 */ 16 17/* List of commands in host endian */ 18#define SMB2_NEGOTIATE_HE 0x0000 19#define SMB2_SESSION_SETUP_HE 0x0001 20#define SMB2_LOGOFF_HE 0x0002 /* trivial request/resp */ 21#define SMB2_TREE_CONNECT_HE 0x0003 22#define SMB2_TREE_DISCONNECT_HE 0x0004 /* trivial req/resp */ 23#define SMB2_CREATE_HE 0x0005 24#define SMB2_CLOSE_HE 0x0006 25#define SMB2_FLUSH_HE 0x0007 /* trivial resp */ 26#define SMB2_READ_HE 0x0008 27#define SMB2_WRITE_HE 0x0009 28#define SMB2_LOCK_HE 0x000A 29#define SMB2_IOCTL_HE 0x000B 30#define SMB2_CANCEL_HE 0x000C 31#define SMB2_ECHO_HE 0x000D 32#define SMB2_QUERY_DIRECTORY_HE 0x000E 33#define SMB2_CHANGE_NOTIFY_HE 0x000F 34#define SMB2_QUERY_INFO_HE 0x0010 35#define SMB2_SET_INFO_HE 0x0011 36#define SMB2_OPLOCK_BREAK_HE 0x0012 37#define SMB2_SERVER_TO_CLIENT_NOTIFICATION 0x0013 38 39/* The same list in little endian */ 40#define SMB2_NEGOTIATE cpu_to_le16(SMB2_NEGOTIATE_HE) 41#define SMB2_SESSION_SETUP cpu_to_le16(SMB2_SESSION_SETUP_HE) 42#define SMB2_LOGOFF cpu_to_le16(SMB2_LOGOFF_HE) 43#define SMB2_TREE_CONNECT cpu_to_le16(SMB2_TREE_CONNECT_HE) 44#define SMB2_TREE_DISCONNECT cpu_to_le16(SMB2_TREE_DISCONNECT_HE) 45#define SMB2_CREATE cpu_to_le16(SMB2_CREATE_HE) 46#define SMB2_CLOSE cpu_to_le16(SMB2_CLOSE_HE) 47#define SMB2_FLUSH cpu_to_le16(SMB2_FLUSH_HE) 48#define SMB2_READ cpu_to_le16(SMB2_READ_HE) 49#define SMB2_WRITE cpu_to_le16(SMB2_WRITE_HE) 50#define SMB2_LOCK cpu_to_le16(SMB2_LOCK_HE) 51#define SMB2_IOCTL cpu_to_le16(SMB2_IOCTL_HE) 52#define SMB2_CANCEL cpu_to_le16(SMB2_CANCEL_HE) 53#define SMB2_ECHO cpu_to_le16(SMB2_ECHO_HE) 54#define SMB2_QUERY_DIRECTORY cpu_to_le16(SMB2_QUERY_DIRECTORY_HE) 55#define SMB2_CHANGE_NOTIFY cpu_to_le16(SMB2_CHANGE_NOTIFY_HE) 56#define SMB2_QUERY_INFO cpu_to_le16(SMB2_QUERY_INFO_HE) 57#define SMB2_SET_INFO cpu_to_le16(SMB2_SET_INFO_HE) 58#define SMB2_OPLOCK_BREAK cpu_to_le16(SMB2_OPLOCK_BREAK_HE) 59 60#define SMB2_INTERNAL_CMD cpu_to_le16(0xFFFF) 61 62#define NUMBER_OF_SMB2_COMMANDS 0x0013 63 64/* 65 * Size of the session key (crypto key encrypted with the password 66 */ 67#define SMB2_NTLMV2_SESSKEY_SIZE 16 68#define SMB2_SIGNATURE_SIZE 16 69#define SMB2_HMACSHA256_SIZE 32 70#define SMB2_CMACAES_SIZE 16 71#define SMB3_GCM128_CRYPTKEY_SIZE 16 72#define SMB3_GCM256_CRYPTKEY_SIZE 32 73 74/* 75 * Size of the smb3 encryption/decryption keys 76 * This size is big enough to store any cipher key types. 77 */ 78#define SMB3_ENC_DEC_KEY_SIZE 32 79 80/* 81 * Size of the smb3 signing key 82 */ 83#define SMB3_SIGN_KEY_SIZE 16 84 85#define CIFS_CLIENT_CHALLENGE_SIZE 8 86 87/* Maximum buffer size value we can send with 1 credit */ 88#define SMB2_MAX_BUFFER_SIZE 65536 89 90/* 91 * The default wsize is 1M for SMB2 (and for some CIFS cases). 92 * find_get_pages seems to return a maximum of 256 93 * pages in a single call. With PAGE_SIZE == 4k, this means we can 94 * fill a single wsize request with a single call. 95 */ 96#define SMB3_DEFAULT_IOSIZE (4 * 1024 * 1024) 97 98/* 99 * SMB2 Header Definition 100 * 101 * "MBZ" : Must be Zero 102 * "BB" : BugBug, Something to check/review/analyze later 103 * "PDU" : "Protocol Data Unit" (ie a network "frame") 104 * 105 */ 106 107#define __SMB2_HEADER_STRUCTURE_SIZE 64 108#define SMB2_HEADER_STRUCTURE_SIZE \ 109 cpu_to_le16(__SMB2_HEADER_STRUCTURE_SIZE) 110 111#define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe) 112#define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd) 113#define SMB2_COMPRESSION_TRANSFORM_ID cpu_to_le32(0x424d53fc) 114 115/* 116 * SMB2 flag definitions 117 */ 118#define SMB2_FLAGS_SERVER_TO_REDIR cpu_to_le32(0x00000001) 119#define SMB2_FLAGS_ASYNC_COMMAND cpu_to_le32(0x00000002) 120#define SMB2_FLAGS_RELATED_OPERATIONS cpu_to_le32(0x00000004) 121#define SMB2_FLAGS_SIGNED cpu_to_le32(0x00000008) 122#define SMB2_FLAGS_PRIORITY_MASK cpu_to_le32(0x00000070) /* SMB3.1.1 */ 123#define SMB2_FLAGS_DFS_OPERATIONS cpu_to_le32(0x10000000) 124#define SMB2_FLAGS_REPLAY_OPERATION cpu_to_le32(0x20000000) /* SMB3 & up */ 125 126/* 127 * Definitions for SMB2 Protocol Data Units (network frames) 128 * 129 * See MS-SMB2.PDF specification for protocol details. 130 * The Naming convention is the lower case version of the SMB2 131 * command code name for the struct. Note that structures must be packed. 132 * 133 */ 134 135/* See MS-SMB2 section 2.2.1 */ 136struct smb2_hdr { 137 __le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */ 138 __le16 StructureSize; /* 64 */ 139 __le16 CreditCharge; /* MBZ */ 140 __le32 Status; /* Error from server */ 141 __le16 Command; 142 __le16 CreditRequest; /* CreditResponse */ 143 __le32 Flags; 144 __le32 NextCommand; 145 __le64 MessageId; 146 union { 147 struct { 148 __le32 ProcessId; 149 __le32 TreeId; 150 } __packed SyncId; 151 __le64 AsyncId; 152 } __packed Id; 153 __le64 SessionId; 154 __u8 Signature[16]; 155} __packed; 156 157struct smb3_hdr_req { 158 __le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */ 159 __le16 StructureSize; /* 64 */ 160 __le16 CreditCharge; /* MBZ */ 161 __le16 ChannelSequence; /* See MS-SMB2 3.2.4.1 and 3.2.7.1 */ 162 __le16 Reserved; 163 __le16 Command; 164 __le16 CreditRequest; /* CreditResponse */ 165 __le32 Flags; 166 __le32 NextCommand; 167 __le64 MessageId; 168 union { 169 struct { 170 __le32 ProcessId; 171 __le32 TreeId; 172 } __packed SyncId; 173 __le64 AsyncId; 174 } __packed Id; 175 __le64 SessionId; 176 __u8 Signature[16]; 177} __packed; 178 179struct smb2_pdu { 180 struct smb2_hdr hdr; 181 __le16 StructureSize2; /* size of wct area (varies, request specific) */ 182} __packed; 183 184#define SMB2_ERROR_STRUCTURE_SIZE2 9 185#define SMB2_ERROR_STRUCTURE_SIZE2_LE cpu_to_le16(SMB2_ERROR_STRUCTURE_SIZE2) 186 187struct smb2_err_rsp { 188 struct smb2_hdr hdr; 189 __le16 StructureSize; 190 __u8 ErrorContextCount; 191 __u8 Reserved; 192 __le32 ByteCount; /* even if zero, at least one byte follows */ 193 __u8 ErrorData[]; /* variable length */ 194} __packed; 195 196#define SMB3_AES_CCM_NONCE 11 197#define SMB3_AES_GCM_NONCE 12 198 199/* Transform flags (for 3.0 dialect this flag indicates CCM */ 200#define TRANSFORM_FLAG_ENCRYPTED 0x0001 201struct smb2_transform_hdr { 202 __le32 ProtocolId; /* 0xFD 'S' 'M' 'B' */ 203 __u8 Signature[16]; 204 __u8 Nonce[16]; 205 __le32 OriginalMessageSize; 206 __u16 Reserved1; 207 __le16 Flags; /* EncryptionAlgorithm for 3.0, enc enabled for 3.1.1 */ 208 __le64 SessionId; 209} __packed; 210 211/* 212 * These are simplified versions from the spec, as we don't need a fully fledged 213 * form of both unchained and chained structs. 214 * 215 * Moreover, even in chained compressed payloads, the initial compression header 216 * has the form of the unchained one -- i.e. it never has the 217 * OriginalPayloadSize field and ::Offset field always represent an offset 218 * (instead of a length, as it is in the chained header). 219 * 220 * See MS-SMB2 2.2.42 for more details. 221 */ 222#define SMB2_COMPRESSION_FLAG_NONE 0x0000 223#define SMB2_COMPRESSION_FLAG_CHAINED 0x0001 224 225struct smb2_compression_hdr { 226 __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */ 227 __le32 OriginalCompressedSegmentSize; 228 __le16 CompressionAlgorithm; 229 __le16 Flags; 230 __le32 Offset; /* this is the size of the uncompressed SMB2 header below */ 231 /* uncompressed SMB2 header (READ or WRITE) goes here */ 232 /* compressed data goes here */ 233} __packed; 234 235/* 236 * ... OTOH, set compression payload header to always have OriginalPayloadSize 237 * as it's easier to pass the struct size minus sizeof(OriginalPayloadSize) 238 * than to juggle around the header/data memory. 239 */ 240struct smb2_compression_payload_hdr { 241 __le16 CompressionAlgorithm; 242 __le16 Flags; 243 __le32 Length; /* length of compressed playload including field below if present */ 244 __le32 OriginalPayloadSize; /* accounted when LZNT1, LZ77, LZ77+Huffman */ 245} __packed; 246 247struct smb2_compression_pattern_v1 { 248 __u8 Pattern; 249 __u8 Reserved1; 250 __le16 Reserved2; 251 __le32 Repetitions; 252} __packed; 253 254/* See MS-SMB2 section 2.2.9.2 */ 255/* Context Types */ 256#define SMB2_RESERVED_TREE_CONNECT_CONTEXT_ID 0x0000 257#define SMB2_REMOTED_IDENTITY_TREE_CONNECT_CONTEXT_ID cpu_to_le16(0x0001) 258 259struct tree_connect_contexts { 260 __le16 ContextType; 261 __le16 DataLength; 262 __le32 Reserved; 263 __u8 Data[]; 264} __packed; 265 266/* Remoted identity tree connect context structures - see MS-SMB2 2.2.9.2.1 */ 267struct smb3_blob_data { 268 __le16 BlobSize; 269 __u8 BlobData[]; 270} __packed; 271 272/* Valid values for Attr */ 273#define SE_GROUP_MANDATORY 0x00000001 274#define SE_GROUP_ENABLED_BY_DEFAULT 0x00000002 275#define SE_GROUP_ENABLED 0x00000004 276#define SE_GROUP_OWNER 0x00000008 277#define SE_GROUP_USE_FOR_DENY_ONLY 0x00000010 278#define SE_GROUP_INTEGRITY 0x00000020 279#define SE_GROUP_INTEGRITY_ENABLED 0x00000040 280#define SE_GROUP_RESOURCE 0x20000000 281#define SE_GROUP_LOGON_ID 0xC0000000 282 283struct sid_array_data { 284 __le16 SidAttrCount; 285 /* SidAttrList - array of sid_attr_data structs */ 286} __packed; 287 288/* struct sid_attr_data is SidData array in BlobData format then le32 Attr */ 289struct sid_attr_data { 290 __le16 BlobSize; 291 __u8 BlobData[]; 292 /* __le32 Attr */ 293} __packed; 294 295/* 296 * struct privilege_data is the same as BLOB_DATA - see MS-SMB2 2.2.9.2.1.5 297 * but with size of LUID_ATTR_DATA struct and BlobData set to LUID_ATTR DATA 298 */ 299 300struct privilege_array_data { 301 __le16 PrivilegeCount; 302 /* array of privilege_data structs */ 303} __packed; 304 305struct remoted_identity_tcon_context { 306 __le16 TicketType; /* must be 0x0001 */ 307 __le16 TicketSize; /* total size of this struct */ 308 __le16 User; /* offset to SID_ATTR_DATA struct with user info */ 309 __le16 UserName; /* offset to null terminated Unicode username string */ 310 __le16 Domain; /* offset to null terminated Unicode domain name */ 311 __le16 Groups; /* offset to SID_ARRAY_DATA struct with group info */ 312 __le16 RestrictedGroups; /* similar to above */ 313 __le16 Privileges; /* offset to PRIVILEGE_ARRAY_DATA struct */ 314 __le16 PrimaryGroup; /* offset to SID_ARRAY_DATA struct */ 315 __le16 Owner; /* offset to BLOB_DATA struct */ 316 __le16 DefaultDacl; /* offset to BLOB_DATA struct */ 317 __le16 DeviceGroups; /* offset to SID_ARRAY_DATA struct */ 318 __le16 UserClaims; /* offset to BLOB_DATA struct */ 319 __le16 DeviceClaims; /* offset to BLOB_DATA struct */ 320 __u8 TicketInfo[]; /* variable length buf - remoted identity data */ 321} __packed; 322 323struct smb2_tree_connect_req_extension { 324 __le32 TreeConnectContextOffset; 325 __le16 TreeConnectContextCount; 326 __u8 Reserved[10]; 327 __u8 PathName[]; /* variable sized array */ 328 /* followed by array of TreeConnectContexts */ 329} __packed; 330 331/* Flags/Reserved for SMB3.1.1 */ 332#define SMB2_TREE_CONNECT_FLAG_CLUSTER_RECONNECT cpu_to_le16(0x0001) 333#define SMB2_TREE_CONNECT_FLAG_REDIRECT_TO_OWNER cpu_to_le16(0x0002) 334#define SMB2_TREE_CONNECT_FLAG_EXTENSION_PRESENT cpu_to_le16(0x0004) 335 336struct smb2_tree_connect_req { 337 struct smb2_hdr hdr; 338 __le16 StructureSize; /* Must be 9 */ 339 __le16 Flags; /* Flags in SMB3.1.1 */ 340 __le16 PathOffset; 341 __le16 PathLength; 342 __u8 Buffer[]; /* variable length */ 343} __packed; 344 345/* Possible ShareType values */ 346#define SMB2_SHARE_TYPE_DISK 0x01 347#define SMB2_SHARE_TYPE_PIPE 0x02 348#define SMB2_SHARE_TYPE_PRINT 0x03 349 350/* 351 * Possible ShareFlags - exactly one and only one of the first 4 caching flags 352 * must be set (any of the remaining, SHI1005, flags may be set individually 353 * or in combination. 354 */ 355#define SMB2_SHAREFLAG_MANUAL_CACHING 0x00000000 356#define SMB2_SHAREFLAG_AUTO_CACHING 0x00000010 357#define SMB2_SHAREFLAG_VDO_CACHING 0x00000020 358#define SMB2_SHAREFLAG_NO_CACHING 0x00000030 359#define SHI1005_FLAGS_DFS 0x00000001 360#define SHI1005_FLAGS_DFS_ROOT 0x00000002 361#define SMB2_SHAREFLAG_RESTRICT_EXCLUSIVE_OPENS 0x00000100 362#define SMB2_SHAREFLAG_FORCE_SHARED_DELETE 0x00000200 363#define SMB2_SHAREFLAG_ALLOW_NAMESPACE_CACHING 0x00000400 364#define SMB2_SHAREFLAG_ACCESS_BASED_DIRECTORY_ENUM 0x00000800 365#define SMB2_SHAREFLAG_FORCE_LEVELII_OPLOCK 0x00001000 366#define SMB2_SHAREFLAG_ENABLE_HASH_V1 0x00002000 367#define SMB2_SHAREFLAG_ENABLE_HASH_V2 0x00004000 368#define SHI1005_FLAGS_ENCRYPT_DATA 0x00008000 369#define SMB2_SHAREFLAG_IDENTITY_REMOTING 0x00040000 /* 3.1.1 */ 370#define SMB2_SHAREFLAG_COMPRESS_DATA 0x00100000 /* 3.1.1 */ 371#define SMB2_SHAREFLAG_ISOLATED_TRANSPORT 0x00200000 372#define SHI1005_FLAGS_ALL 0x0034FF33 373 374/* Possible share capabilities */ 375#define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) /* all dialects */ 376#define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */ 377#define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */ 378#define SMB2_SHARE_CAP_CLUSTER cpu_to_le32(0x00000040) /* 3.0 */ 379#define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */ 380#define SMB2_SHARE_CAP_REDIRECT_TO_OWNER cpu_to_le32(0x00000100) /* 3.1.1 */ 381 382struct smb2_tree_connect_rsp { 383 struct smb2_hdr hdr; 384 __le16 StructureSize; /* Must be 16 */ 385 __u8 ShareType; /* see below */ 386 __u8 Reserved; 387 __le32 ShareFlags; /* see below */ 388 __le32 Capabilities; /* see below */ 389 __le32 MaximalAccess; 390} __packed; 391 392struct smb2_tree_disconnect_req { 393 struct smb2_hdr hdr; 394 __le16 StructureSize; /* Must be 4 */ 395 __le16 Reserved; 396} __packed; 397 398struct smb2_tree_disconnect_rsp { 399 struct smb2_hdr hdr; 400 __le16 StructureSize; /* Must be 4 */ 401 __le16 Reserved; 402} __packed; 403 404 405/* 406 * SMB2_NEGOTIATE_PROTOCOL See MS-SMB2 section 2.2.3 407 */ 408/* SecurityMode flags */ 409#define SMB2_NEGOTIATE_SIGNING_ENABLED 0x0001 410#define SMB2_NEGOTIATE_SIGNING_ENABLED_LE cpu_to_le16(0x0001) 411#define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002 412#define SMB2_NEGOTIATE_SIGNING_REQUIRED_LE cpu_to_le16(0x0002) 413#define SMB2_SEC_MODE_FLAGS_ALL 0x0003 414 415/* Capabilities flags */ 416#define SMB2_GLOBAL_CAP_DFS 0x00000001 417#define SMB2_GLOBAL_CAP_LEASING 0x00000002 /* Resp only New to SMB2.1 */ 418#define SMB2_GLOBAL_CAP_LARGE_MTU 0x00000004 /* Resp only New to SMB2.1 */ 419#define SMB2_GLOBAL_CAP_MULTI_CHANNEL 0x00000008 /* New to SMB3 */ 420#define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */ 421#define SMB2_GLOBAL_CAP_DIRECTORY_LEASING 0x00000020 /* New to SMB3 */ 422#define SMB2_GLOBAL_CAP_ENCRYPTION 0x00000040 /* New to SMB3 */ 423#define SMB2_GLOBAL_CAP_NOTIFICATIONS 0x00000080 /* New to SMB3.1.1 */ 424/* Internal types */ 425#define SMB2_NT_FIND 0x00100000 426#define SMB2_LARGE_FILES 0x00200000 427 428#define SMB2_CLIENT_GUID_SIZE 16 429#define SMB2_CREATE_GUID_SIZE 16 430 431/* Dialects */ 432#define SMB10_PROT_ID 0x0000 /* local only, not sent on wire w/CIFS negprot */ 433#define SMB20_PROT_ID 0x0202 434#define SMB21_PROT_ID 0x0210 435#define SMB2X_PROT_ID 0x02FF 436#define SMB30_PROT_ID 0x0300 437#define SMB302_PROT_ID 0x0302 438#define SMB311_PROT_ID 0x0311 439#define BAD_PROT_ID 0xFFFF 440 441#define SMB311_SALT_SIZE 32 442/* Hash Algorithm Types */ 443#define SMB2_PREAUTH_INTEGRITY_SHA512 cpu_to_le16(0x0001) 444#define SMB2_PREAUTH_HASH_SIZE 64 445 446/* Negotiate Contexts - ContextTypes. See MS-SMB2 section 2.2.3.1 for details */ 447#define SMB2_PREAUTH_INTEGRITY_CAPABILITIES cpu_to_le16(1) 448#define SMB2_ENCRYPTION_CAPABILITIES cpu_to_le16(2) 449#define SMB2_COMPRESSION_CAPABILITIES cpu_to_le16(3) 450#define SMB2_NETNAME_NEGOTIATE_CONTEXT_ID cpu_to_le16(5) 451#define SMB2_TRANSPORT_CAPABILITIES cpu_to_le16(6) 452#define SMB2_RDMA_TRANSFORM_CAPABILITIES cpu_to_le16(7) 453#define SMB2_SIGNING_CAPABILITIES cpu_to_le16(8) 454#define SMB2_POSIX_EXTENSIONS_AVAILABLE cpu_to_le16(0x100) 455 456struct smb2_neg_context { 457 __le16 ContextType; 458 __le16 DataLength; 459 __le32 Reserved; 460 /* Followed by array of data. NOTE: some servers require padding to 8 byte boundary */ 461} __packed; 462 463/* 464 * SaltLength that the server send can be zero, so the only three required 465 * fields (all __le16) end up six bytes total, so the minimum context data len 466 * in the response is six bytes which accounts for 467 * 468 * HashAlgorithmCount, SaltLength, and 1 HashAlgorithm. 469 */ 470#define MIN_PREAUTH_CTXT_DATA_LEN 6 471 472struct smb2_preauth_neg_context { 473 __le16 ContextType; /* 1 */ 474 __le16 DataLength; 475 __le32 Reserved; 476 __le16 HashAlgorithmCount; /* 1 */ 477 __le16 SaltLength; 478 __le16 HashAlgorithms; /* HashAlgorithms[0] since only one defined */ 479 __u8 Salt[SMB311_SALT_SIZE]; 480} __packed; 481 482/* Encryption Algorithms Ciphers */ 483#define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001) 484#define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002) 485#define SMB2_ENCRYPTION_AES256_CCM cpu_to_le16(0x0003) 486#define SMB2_ENCRYPTION_AES256_GCM cpu_to_le16(0x0004) 487 488/* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */ 489#define MIN_ENCRYPT_CTXT_DATA_LEN 4 490struct smb2_encryption_neg_context { 491 __le16 ContextType; /* 2 */ 492 __le16 DataLength; 493 __le32 Reserved; 494 /* CipherCount usally 2, but can be 3 when AES256-GCM enabled */ 495 __le16 CipherCount; /* AES128-GCM and AES128-CCM by default */ 496 __le16 Ciphers[]; 497} __packed; 498 499/* See MS-SMB2 2.2.3.1.3 */ 500#define SMB3_COMPRESS_NONE cpu_to_le16(0x0000) 501#define SMB3_COMPRESS_LZNT1 cpu_to_le16(0x0001) 502#define SMB3_COMPRESS_LZ77 cpu_to_le16(0x0002) 503#define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003) 504/* Pattern scanning algorithm See MS-SMB2 3.1.4.4.1 */ 505#define SMB3_COMPRESS_PATTERN cpu_to_le16(0x0004) /* Pattern_V1 */ 506#define SMB3_COMPRESS_LZ4 cpu_to_le16(0x0005) 507 508/* Compression Flags */ 509#define SMB2_COMPRESSION_CAPABILITIES_FLAG_NONE cpu_to_le32(0x00000000) 510#define SMB2_COMPRESSION_CAPABILITIES_FLAG_CHAINED cpu_to_le32(0x00000001) 511 512struct smb2_compression_capabilities_context { 513 __le16 ContextType; /* 3 */ 514 __le16 DataLength; 515 __le32 Reserved; 516 __le16 CompressionAlgorithmCount; 517 __le16 Padding; 518 __le32 Flags; 519 __le16 CompressionAlgorithms[3]; 520 __u16 Pad; /* Some servers require pad to DataLen multiple of 8 */ 521 /* Check if pad needed */ 522} __packed; 523 524/* 525 * For smb2_netname_negotiate_context_id See MS-SMB2 2.2.3.1.4. 526 * Its struct simply contains NetName, an array of Unicode characters 527 */ 528struct smb2_netname_neg_context { 529 __le16 ContextType; /* 5 */ 530 __le16 DataLength; 531 __le32 Reserved; 532 __le16 NetName[]; /* hostname of target converted to UCS-2 */ 533} __packed; 534 535/* 536 * For smb2_transport_capabilities context see MS-SMB2 2.2.3.1.5 537 * and 2.2.4.1.5 538 */ 539 540/* Flags */ 541#define SMB2_ACCEPT_TRANSPORT_LEVEL_SECURITY 0x00000001 542 543struct smb2_transport_capabilities_context { 544 __le16 ContextType; /* 6 */ 545 __le16 DataLength; 546 __u32 Reserved; 547 __le32 Flags; 548 __u32 Pad; 549} __packed; 550 551/* 552 * For rdma transform capabilities context see MS-SMB2 2.2.3.1.6 553 * and 2.2.4.1.6 554 */ 555 556/* RDMA Transform IDs */ 557#define SMB2_RDMA_TRANSFORM_NONE 0x0000 558#define SMB2_RDMA_TRANSFORM_ENCRYPTION 0x0001 559#define SMB2_RDMA_TRANSFORM_SIGNING 0x0002 560 561struct smb2_rdma_transform_capabilities_context { 562 __le16 ContextType; /* 7 */ 563 __le16 DataLength; 564 __u32 Reserved; 565 __le16 TransformCount; 566 __u16 Reserved1; 567 __u32 Reserved2; 568 __le16 RDMATransformIds[]; 569} __packed; 570 571/* 572 * For signing capabilities context see MS-SMB2 2.2.3.1.7 573 * and 2.2.4.1.7 574 */ 575 576/* Signing algorithms */ 577#define SIGNING_ALG_HMAC_SHA256 0 578#define SIGNING_ALG_HMAC_SHA256_LE cpu_to_le16(0) 579#define SIGNING_ALG_AES_CMAC 1 580#define SIGNING_ALG_AES_CMAC_LE cpu_to_le16(1) 581#define SIGNING_ALG_AES_GMAC 2 582#define SIGNING_ALG_AES_GMAC_LE cpu_to_le16(2) 583 584struct smb2_signing_capabilities { 585 __le16 ContextType; /* 8 */ 586 __le16 DataLength; 587 __le32 Reserved; 588 __le16 SigningAlgorithmCount; 589 __le16 SigningAlgorithms[]; 590 /* Followed by padding to 8 byte boundary (required by some servers) */ 591} __packed; 592 593#define POSIX_CTXT_DATA_LEN 16 594struct smb2_posix_neg_context { 595 __le16 ContextType; /* 0x100 */ 596 __le16 DataLength; 597 __le32 Reserved; 598 __u8 Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */ 599} __packed; 600 601struct smb2_negotiate_req { 602 struct smb2_hdr hdr; 603 __le16 StructureSize; /* Must be 36 */ 604 __le16 DialectCount; 605 __le16 SecurityMode; 606 __le16 Reserved; /* MBZ */ 607 __le32 Capabilities; 608 __u8 ClientGUID[SMB2_CLIENT_GUID_SIZE]; 609 /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */ 610 __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */ 611 __le16 NegotiateContextCount; /* SMB3.1.1 only. MBZ earlier */ 612 __le16 Reserved2; 613 __le16 Dialects[]; 614} __packed; 615 616struct smb2_negotiate_rsp { 617 struct smb2_hdr hdr; 618 __le16 StructureSize; /* Must be 65 */ 619 __le16 SecurityMode; 620 __le16 DialectRevision; 621 __le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */ 622 __u8 ServerGUID[16]; 623 __le32 Capabilities; 624 __le32 MaxTransactSize; 625 __le32 MaxReadSize; 626 __le32 MaxWriteSize; 627 __le64 SystemTime; /* MBZ */ 628 __le64 ServerStartTime; 629 __le16 SecurityBufferOffset; 630 __le16 SecurityBufferLength; 631 __le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */ 632 __u8 Buffer[]; /* variable length GSS security buffer */ 633} __packed; 634 635 636/* 637 * SMB2_SESSION_SETUP See MS-SMB2 section 2.2.5 638 */ 639/* Flags */ 640#define SMB2_SESSION_REQ_FLAG_BINDING 0x01 641#define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04 642 643struct smb2_sess_setup_req { 644 struct smb2_hdr hdr; 645 __le16 StructureSize; /* Must be 25 */ 646 __u8 Flags; 647 __u8 SecurityMode; 648 __le32 Capabilities; 649 __le32 Channel; 650 __le16 SecurityBufferOffset; 651 __le16 SecurityBufferLength; 652 __le64 PreviousSessionId; 653 __u8 Buffer[]; /* variable length GSS security buffer */ 654} __packed; 655 656/* Currently defined SessionFlags */ 657#define SMB2_SESSION_FLAG_IS_GUEST 0x0001 658#define SMB2_SESSION_FLAG_IS_GUEST_LE cpu_to_le16(0x0001) 659#define SMB2_SESSION_FLAG_IS_NULL 0x0002 660#define SMB2_SESSION_FLAG_IS_NULL_LE cpu_to_le16(0x0002) 661#define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004 662#define SMB2_SESSION_FLAG_ENCRYPT_DATA_LE cpu_to_le16(0x0004) 663 664struct smb2_sess_setup_rsp { 665 struct smb2_hdr hdr; 666 __le16 StructureSize; /* Must be 9 */ 667 __le16 SessionFlags; 668 __le16 SecurityBufferOffset; 669 __le16 SecurityBufferLength; 670 __u8 Buffer[]; /* variable length GSS security buffer */ 671} __packed; 672 673 674/* 675 * SMB2_LOGOFF See MS-SMB2 section 2.2.7 676 */ 677struct smb2_logoff_req { 678 struct smb2_hdr hdr; 679 __le16 StructureSize; /* Must be 4 */ 680 __le16 Reserved; 681} __packed; 682 683struct smb2_logoff_rsp { 684 struct smb2_hdr hdr; 685 __le16 StructureSize; /* Must be 4 */ 686 __le16 Reserved; 687} __packed; 688 689 690/* 691 * SMB2_CLOSE See MS-SMB2 section 2.2.15 692 */ 693/* Currently defined values for close flags */ 694#define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001) 695struct smb2_close_req { 696 struct smb2_hdr hdr; 697 __le16 StructureSize; /* Must be 24 */ 698 __le16 Flags; 699 __le32 Reserved; 700 __u64 PersistentFileId; /* opaque endianness */ 701 __u64 VolatileFileId; /* opaque endianness */ 702} __packed; 703 704/* 705 * Maximum size of a SMB2_CLOSE response is 64 (smb2 header) + 60 (data) 706 */ 707#define MAX_SMB2_CLOSE_RESPONSE_SIZE 124 708 709struct smb2_close_rsp { 710 struct smb2_hdr hdr; 711 __le16 StructureSize; /* 60 */ 712 __le16 Flags; 713 __le32 Reserved; 714 struct_group_attr(network_open_info, __packed, 715 __le64 CreationTime; 716 __le64 LastAccessTime; 717 __le64 LastWriteTime; 718 __le64 ChangeTime; 719 /* Beginning of FILE_STANDARD_INFO equivalent */ 720 __le64 AllocationSize; 721 __le64 EndOfFile; 722 __le32 Attributes; 723 ); 724} __packed; 725 726 727/* 728 * SMB2_READ See MS-SMB2 section 2.2.19 729 */ 730/* For read request Flags field below, following flag is defined for SMB3.02 */ 731#define SMB2_READFLAG_READ_UNBUFFERED 0x01 732#define SMB2_READFLAG_REQUEST_COMPRESSED 0x02 /* See MS-SMB2 2.2.19 */ 733 734/* Channel field for read and write: exactly one of following flags can be set*/ 735#define SMB2_CHANNEL_NONE cpu_to_le32(0x00000000) 736#define SMB2_CHANNEL_RDMA_V1 cpu_to_le32(0x00000001) 737#define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) 738#define SMB2_CHANNEL_RDMA_TRANSFORM cpu_to_le32(0x00000003) 739 740/* SMB2 read request without RFC1001 length at the beginning */ 741struct smb2_read_req { 742 struct smb2_hdr hdr; 743 __le16 StructureSize; /* Must be 49 */ 744 __u8 Padding; /* offset from start of SMB2 header to place read */ 745 __u8 Flags; /* MBZ unless SMB3.02 or later */ 746 __le32 Length; 747 __le64 Offset; 748 __u64 PersistentFileId; 749 __u64 VolatileFileId; 750 __le32 MinimumCount; 751 __le32 Channel; /* MBZ except for SMB3 or later */ 752 __le32 RemainingBytes; 753 __le16 ReadChannelInfoOffset; 754 __le16 ReadChannelInfoLength; 755 __u8 Buffer[]; 756} __packed; 757 758/* Read flags */ 759#define SMB2_READFLAG_RESPONSE_NONE cpu_to_le32(0x00000000) 760#define SMB2_READFLAG_RESPONSE_RDMA_TRANSFORM cpu_to_le32(0x00000001) 761 762struct smb2_read_rsp { 763 struct smb2_hdr hdr; 764 __le16 StructureSize; /* Must be 17 */ 765 __u8 DataOffset; 766 __u8 Reserved; 767 __le32 DataLength; 768 __le32 DataRemaining; 769 __le32 Flags; 770 __u8 Buffer[]; 771} __packed; 772 773 774/* 775 * SMB2_WRITE See MS-SMB2 section 2.2.21 776 */ 777/* For write request Flags field below the following flags are defined: */ 778#define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 /* SMB2.1 or later */ 779#define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002 /* SMB3.02 or later */ 780 781struct smb2_write_req { 782 struct smb2_hdr hdr; 783 __le16 StructureSize; /* Must be 49 */ 784 __le16 DataOffset; /* offset from start of SMB2 header to write data */ 785 __le32 Length; 786 __le64 Offset; 787 __u64 PersistentFileId; /* opaque endianness */ 788 __u64 VolatileFileId; /* opaque endianness */ 789 __le32 Channel; /* MBZ unless SMB3.02 or later */ 790 __le32 RemainingBytes; 791 __le16 WriteChannelInfoOffset; 792 __le16 WriteChannelInfoLength; 793 __le32 Flags; 794 __u8 Buffer[]; 795} __packed; 796 797struct smb2_write_rsp { 798 struct smb2_hdr hdr; 799 __le16 StructureSize; /* Must be 17 */ 800 __u8 DataOffset; 801 __u8 Reserved; 802 __le32 DataLength; 803 __le32 DataRemaining; 804 __u32 Reserved2; 805 __u8 Buffer[]; 806} __packed; 807 808 809/* 810 * SMB2_FLUSH See MS-SMB2 section 2.2.17 811 */ 812struct smb2_flush_req { 813 struct smb2_hdr hdr; 814 __le16 StructureSize; /* Must be 24 */ 815 __le16 Reserved1; 816 __le32 Reserved2; 817 __u64 PersistentFileId; 818 __u64 VolatileFileId; 819} __packed; 820 821struct smb2_flush_rsp { 822 struct smb2_hdr hdr; 823 __le16 StructureSize; 824 __le16 Reserved; 825} __packed; 826 827#define SMB2_LOCKFLAG_SHARED 0x0001 828#define SMB2_LOCKFLAG_EXCLUSIVE 0x0002 829#define SMB2_LOCKFLAG_UNLOCK 0x0004 830#define SMB2_LOCKFLAG_FAIL_IMMEDIATELY 0x0010 831#define SMB2_LOCKFLAG_MASK 0x0007 832 833struct smb2_lock_element { 834 __le64 Offset; 835 __le64 Length; 836 __le32 Flags; 837 __le32 Reserved; 838} __packed; 839 840struct smb2_lock_req { 841 struct smb2_hdr hdr; 842 __le16 StructureSize; /* Must be 48 */ 843 __le16 LockCount; 844 /* 845 * The least significant four bits are the index, the other 28 bits are 846 * the lock sequence number (0 to 64). See MS-SMB2 2.2.26 847 */ 848 __le32 LockSequenceNumber; 849 __u64 PersistentFileId; 850 __u64 VolatileFileId; 851 /* Followed by at least one */ 852 union { 853 struct smb2_lock_element lock; 854 DECLARE_FLEX_ARRAY(struct smb2_lock_element, locks); 855 }; 856} __packed; 857 858struct smb2_lock_rsp { 859 struct smb2_hdr hdr; 860 __le16 StructureSize; /* Must be 4 */ 861 __le16 Reserved; 862} __packed; 863 864struct smb2_echo_req { 865 struct smb2_hdr hdr; 866 __le16 StructureSize; /* Must be 4 */ 867 __u16 Reserved; 868} __packed; 869 870struct smb2_echo_rsp { 871 struct smb2_hdr hdr; 872 __le16 StructureSize; /* Must be 4 */ 873 __u16 Reserved; 874} __packed; 875 876/* 877 * Valid FileInformation classes for query directory 878 * 879 * Note that these are a subset of the (file) QUERY_INFO levels defined 880 * later in this file (but since QUERY_DIRECTORY uses equivalent numbers 881 * we do not redefine them here) 882 * 883 * FileDirectoryInfomation 0x01 884 * FileFullDirectoryInformation 0x02 885 * FileIdFullDirectoryInformation 0x26 886 * FileBothDirectoryInformation 0x03 887 * FileIdBothDirectoryInformation 0x25 888 * FileNamesInformation 0x0C 889 * FileIdExtdDirectoryInformation 0x3C 890 */ 891 892/* search (query_directory) Flags field */ 893#define SMB2_RESTART_SCANS 0x01 894#define SMB2_RETURN_SINGLE_ENTRY 0x02 895#define SMB2_INDEX_SPECIFIED 0x04 896#define SMB2_REOPEN 0x10 897 898struct smb2_query_directory_req { 899 struct smb2_hdr hdr; 900 __le16 StructureSize; /* Must be 33 */ 901 __u8 FileInformationClass; 902 __u8 Flags; 903 __le32 FileIndex; 904 __u64 PersistentFileId; 905 __u64 VolatileFileId; 906 __le16 FileNameOffset; 907 __le16 FileNameLength; 908 __le32 OutputBufferLength; 909 __u8 Buffer[]; 910} __packed; 911 912struct smb2_query_directory_rsp { 913 struct smb2_hdr hdr; 914 __le16 StructureSize; /* Must be 9 */ 915 __le16 OutputBufferOffset; 916 __le32 OutputBufferLength; 917 __u8 Buffer[]; 918} __packed; 919 920/* 921 * Maximum number of iovs we need for a set-info request. 922 * The largest one is rename/hardlink 923 * [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info 924 * [1] : path 925 * [2] : compound padding 926 */ 927#define SMB2_SET_INFO_IOV_SIZE 3 928 929struct smb2_set_info_req { 930 struct smb2_hdr hdr; 931 __le16 StructureSize; /* Must be 33 */ 932 __u8 InfoType; 933 __u8 FileInfoClass; 934 __le32 BufferLength; 935 __le16 BufferOffset; 936 __u16 Reserved; 937 __le32 AdditionalInformation; 938 __u64 PersistentFileId; 939 __u64 VolatileFileId; 940 __u8 Buffer[]; 941} __packed; 942 943struct smb2_set_info_rsp { 944 struct smb2_hdr hdr; 945 __le16 StructureSize; /* Must be 2 */ 946} __packed; 947 948/* 949 * SMB2_NOTIFY See MS-SMB2 section 2.2.35 950 */ 951/* notify flags */ 952#define SMB2_WATCH_TREE 0x0001 953 954/* notify completion filter flags. See MS-FSCC 2.6 and MS-SMB2 2.2.35 */ 955#define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001 956#define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002 957#define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004 958#define FILE_NOTIFY_CHANGE_SIZE 0x00000008 959#define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010 960#define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020 961#define FILE_NOTIFY_CHANGE_CREATION 0x00000040 962#define FILE_NOTIFY_CHANGE_EA 0x00000080 963#define FILE_NOTIFY_CHANGE_SECURITY 0x00000100 964#define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200 965#define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400 966#define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800 967 968/* SMB2 Notify Action Flags */ 969#define FILE_ACTION_ADDED 0x00000001 970#define FILE_ACTION_REMOVED 0x00000002 971#define FILE_ACTION_MODIFIED 0x00000003 972#define FILE_ACTION_RENAMED_OLD_NAME 0x00000004 973#define FILE_ACTION_RENAMED_NEW_NAME 0x00000005 974#define FILE_ACTION_ADDED_STREAM 0x00000006 975#define FILE_ACTION_REMOVED_STREAM 0x00000007 976#define FILE_ACTION_MODIFIED_STREAM 0x00000008 977#define FILE_ACTION_REMOVED_BY_DELETE 0x00000009 978 979struct smb2_change_notify_req { 980 struct smb2_hdr hdr; 981 __le16 StructureSize; 982 __le16 Flags; 983 __le32 OutputBufferLength; 984 __u64 PersistentFileId; /* opaque endianness */ 985 __u64 VolatileFileId; /* opaque endianness */ 986 __le32 CompletionFilter; 987 __u32 Reserved; 988} __packed; 989 990struct smb2_change_notify_rsp { 991 struct smb2_hdr hdr; 992 __le16 StructureSize; /* Must be 9 */ 993 __le16 OutputBufferOffset; 994 __le32 OutputBufferLength; 995 __u8 Buffer[]; /* array of file notify structs */ 996} __packed; 997 998/* 999 * SMB2_SERVER_TO_CLIENT_NOTIFICATION: See MS-SMB2 section 2.2.44 1000 */ 1001 1002#define SMB2_NOTIFY_SESSION_CLOSED 0x0000 1003 1004struct smb2_server_client_notification { 1005 struct smb2_hdr hdr; 1006 __le16 StructureSize; 1007 __u16 Reserved; /* MBZ */ 1008 __le32 NotificationType; 1009 __u8 NotificationBuffer[4]; /* MBZ */ 1010} __packed; 1011 1012/* 1013 * SMB2_CREATE See MS-SMB2 section 2.2.13 1014 */ 1015/* Oplock levels */ 1016#define SMB2_OPLOCK_LEVEL_NONE 0x00 1017#define SMB2_OPLOCK_LEVEL_II 0x01 1018#define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08 1019#define SMB2_OPLOCK_LEVEL_BATCH 0x09 1020#define SMB2_OPLOCK_LEVEL_LEASE 0xFF 1021/* Non-spec internal type */ 1022#define SMB2_OPLOCK_LEVEL_NOCHANGE 0x99 1023 1024/* Impersonation Levels. See MS-WPO section 9.7 and MSDN-IMPERS */ 1025#define IL_ANONYMOUS cpu_to_le32(0x00000000) 1026#define IL_IDENTIFICATION cpu_to_le32(0x00000001) 1027#define IL_IMPERSONATION cpu_to_le32(0x00000002) 1028#define IL_DELEGATE cpu_to_le32(0x00000003) 1029 1030/* File Attrubutes */ 1031#define FILE_ATTRIBUTE_READONLY 0x00000001 1032#define FILE_ATTRIBUTE_HIDDEN 0x00000002 1033#define FILE_ATTRIBUTE_SYSTEM 0x00000004 1034#define FILE_ATTRIBUTE_DIRECTORY 0x00000010 1035#define FILE_ATTRIBUTE_ARCHIVE 0x00000020 1036#define FILE_ATTRIBUTE_NORMAL 0x00000080 1037#define FILE_ATTRIBUTE_TEMPORARY 0x00000100 1038#define FILE_ATTRIBUTE_SPARSE_FILE 0x00000200 1039#define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400 1040#define FILE_ATTRIBUTE_COMPRESSED 0x00000800 1041#define FILE_ATTRIBUTE_OFFLINE 0x00001000 1042#define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x00002000 1043#define FILE_ATTRIBUTE_ENCRYPTED 0x00004000 1044#define FILE_ATTRIBUTE_INTEGRITY_STREAM 0x00008000 1045#define FILE_ATTRIBUTE_NO_SCRUB_DATA 0x00020000 1046#define FILE_ATTRIBUTE__MASK 0x00007FB7 1047 1048#define FILE_ATTRIBUTE_READONLY_LE cpu_to_le32(0x00000001) 1049#define FILE_ATTRIBUTE_HIDDEN_LE cpu_to_le32(0x00000002) 1050#define FILE_ATTRIBUTE_SYSTEM_LE cpu_to_le32(0x00000004) 1051#define FILE_ATTRIBUTE_DIRECTORY_LE cpu_to_le32(0x00000010) 1052#define FILE_ATTRIBUTE_ARCHIVE_LE cpu_to_le32(0x00000020) 1053#define FILE_ATTRIBUTE_NORMAL_LE cpu_to_le32(0x00000080) 1054#define FILE_ATTRIBUTE_TEMPORARY_LE cpu_to_le32(0x00000100) 1055#define FILE_ATTRIBUTE_SPARSE_FILE_LE cpu_to_le32(0x00000200) 1056#define FILE_ATTRIBUTE_REPARSE_POINT_LE cpu_to_le32(0x00000400) 1057#define FILE_ATTRIBUTE_COMPRESSED_LE cpu_to_le32(0x00000800) 1058#define FILE_ATTRIBUTE_OFFLINE_LE cpu_to_le32(0x00001000) 1059#define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED_LE cpu_to_le32(0x00002000) 1060#define FILE_ATTRIBUTE_ENCRYPTED_LE cpu_to_le32(0x00004000) 1061#define FILE_ATTRIBUTE_INTEGRITY_STREAM_LE cpu_to_le32(0x00008000) 1062#define FILE_ATTRIBUTE_NO_SCRUB_DATA_LE cpu_to_le32(0x00020000) 1063#define FILE_ATTRIBUTE_MASK_LE cpu_to_le32(0x00007FB7) 1064 1065/* Desired Access Flags */ 1066#define FILE_READ_DATA_LE cpu_to_le32(0x00000001) 1067#define FILE_LIST_DIRECTORY_LE cpu_to_le32(0x00000001) 1068#define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002) 1069#define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004) 1070#define FILE_ADD_SUBDIRECTORY_LE cpu_to_le32(0x00000004) 1071#define FILE_READ_EA_LE cpu_to_le32(0x00000008) 1072#define FILE_WRITE_EA_LE cpu_to_le32(0x00000010) 1073#define FILE_EXECUTE_LE cpu_to_le32(0x00000020) 1074#define FILE_DELETE_CHILD_LE cpu_to_le32(0x00000040) 1075#define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080) 1076#define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100) 1077#define FILE_DELETE_LE cpu_to_le32(0x00010000) 1078#define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000) 1079#define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000) 1080#define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000) 1081#define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000) 1082#define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000) 1083#define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000) 1084#define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000) 1085#define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000) 1086#define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000) 1087#define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000) 1088#define DESIRED_ACCESS_MASK cpu_to_le32(0xF21F01FF) 1089 1090 1091#define FILE_READ_DESIRED_ACCESS_LE (FILE_READ_DATA_LE | \ 1092 FILE_READ_EA_LE | \ 1093 FILE_GENERIC_READ_LE) 1094#define FILE_WRITE_DESIRE_ACCESS_LE (FILE_WRITE_DATA_LE | \ 1095 FILE_APPEND_DATA_LE | \ 1096 FILE_WRITE_EA_LE | \ 1097 FILE_WRITE_ATTRIBUTES_LE | \ 1098 FILE_GENERIC_WRITE_LE) 1099 1100/* ShareAccess Flags */ 1101#define FILE_SHARE_READ_LE cpu_to_le32(0x00000001) 1102#define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002) 1103#define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004) 1104#define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007) 1105 1106/* CreateDisposition Flags */ 1107#define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000) 1108#define FILE_OPEN_LE cpu_to_le32(0x00000001) 1109#define FILE_CREATE_LE cpu_to_le32(0x00000002) 1110#define FILE_OPEN_IF_LE cpu_to_le32(0x00000003) 1111#define FILE_OVERWRITE_LE cpu_to_le32(0x00000004) 1112#define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005) 1113#define FILE_CREATE_MASK_LE cpu_to_le32(0x00000007) 1114 1115#define FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA \ 1116 | FILE_READ_ATTRIBUTES) 1117#define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ 1118 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES) 1119#define FILE_EXEC_RIGHTS (FILE_EXECUTE) 1120 1121/* CreateOptions Flags */ 1122#define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001) 1123/* same as #define CREATE_NOT_FILE_LE cpu_to_le32(0x00000001) */ 1124#define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002) 1125#define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004) 1126#define FILE_NO_INTERMEDIATE_BUFFERING_LE cpu_to_le32(0x00000008) 1127/* FILE_SYNCHRONOUS_IO_ALERT_LE cpu_to_le32(0x00000010) should be zero, ignored */ 1128/* FILE_SYNCHRONOUS_IO_NONALERT cpu_to_le32(0x00000020) should be zero, ignored */ 1129#define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040) 1130#define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100) 1131#define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200) 1132/* FILE_OPEN_REMOTE_INSTANCE cpu_to_le32(0x00000400) should be zero, ignored */ 1133#define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800) 1134#define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000) /* MBZ */ 1135#define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000) 1136#define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000) 1137#define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000) 1138/* FILE_OPEN_REQUIRING_OPLOCK cpu_to_le32(0x00010000) should be zero, ignored */ 1139/* FILE_DISALLOW_EXCLUSIVE cpu_to_le32(0x00020000) should be zero, ignored */ 1140/* FILE_RESERVE_OPFILTER cpu_to_le32(0x00100000) MBZ */ 1141#define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000) 1142#define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000) 1143/* #define FILE_OPEN_FOR_FREE_SPACE_QUERY cpu_to_le32(0x00800000) should be zero, ignored */ 1144#define CREATE_OPTIONS_MASK_LE cpu_to_le32(0x00FFFFFF) 1145 1146#define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \ 1147 | FILE_READ_ATTRIBUTES_LE) 1148#define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \ 1149 | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE) 1150#define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE) 1151 1152/* Create Context Values */ 1153#define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */ 1154#define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */ 1155#define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ" 1156#define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC" 1157#define SMB2_CREATE_ALLOCATION_SIZE "AlSi" 1158#define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc" 1159#define SMB2_CREATE_TIMEWARP_REQUEST "TWrp" 1160#define SMB2_CREATE_QUERY_ON_DISK_ID "QFid" 1161#define SMB2_CREATE_REQUEST_LEASE "RqLs" 1162#define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q" 1163#define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C" 1164#define SMB2_CREATE_TAG_POSIX "\x93\xAD\x25\x50\x9C\xB4\x11\xE7\xB4\x23\x83\xDE\x96\x8B\xCD\x7C" 1165#define SMB2_CREATE_APP_INSTANCE_ID "\x45\xBC\xA6\x6A\xEF\xA7\xF7\x4A\x90\x08\xFA\x46\x2E\x14\x4D\x74" 1166#define SMB2_CREATE_APP_INSTANCE_VERSION "\xB9\x82\xD0\xB7\x3B\x56\x07\x4F\xA0\x7B\x52\x4A\x81\x16\xA0\x10" 1167#define SVHDX_OPEN_DEVICE_CONTEXT "\x9C\xCB\xCF\x9E\x04\xC1\xE6\x43\x98\x0E\x15\x8D\xA1\xF6\xEC\x83" 1168#define SMB2_CREATE_TAG_AAPL "AAPL" 1169 1170/* Flag (SMB3 open response) values */ 1171#define SMB2_CREATE_FLAG_REPARSEPOINT 0x01 1172 1173struct create_context { 1174 __le32 Next; 1175 __le16 NameOffset; 1176 __le16 NameLength; 1177 __le16 Reserved; 1178 __le16 DataOffset; 1179 __le32 DataLength; 1180 __u8 Buffer[]; 1181} __packed; 1182 1183struct smb2_create_req { 1184 struct smb2_hdr hdr; 1185 __le16 StructureSize; /* Must be 57 */ 1186 __u8 SecurityFlags; 1187 __u8 RequestedOplockLevel; 1188 __le32 ImpersonationLevel; 1189 __le64 SmbCreateFlags; 1190 __le64 Reserved; 1191 __le32 DesiredAccess; 1192 __le32 FileAttributes; 1193 __le32 ShareAccess; 1194 __le32 CreateDisposition; 1195 __le32 CreateOptions; 1196 __le16 NameOffset; 1197 __le16 NameLength; 1198 __le32 CreateContextsOffset; 1199 __le32 CreateContextsLength; 1200 __u8 Buffer[]; 1201} __packed; 1202 1203struct smb2_create_rsp { 1204 struct smb2_hdr hdr; 1205 __le16 StructureSize; /* Must be 89 */ 1206 __u8 OplockLevel; 1207 __u8 Flags; /* 0x01 if reparse point */ 1208 __le32 CreateAction; 1209 __le64 CreationTime; 1210 __le64 LastAccessTime; 1211 __le64 LastWriteTime; 1212 __le64 ChangeTime; 1213 __le64 AllocationSize; 1214 __le64 EndofFile; 1215 __le32 FileAttributes; 1216 __le32 Reserved2; 1217 __u64 PersistentFileId; 1218 __u64 VolatileFileId; 1219 __le32 CreateContextsOffset; 1220 __le32 CreateContextsLength; 1221 __u8 Buffer[]; 1222} __packed; 1223 1224struct create_posix { 1225 struct create_context ccontext; 1226 __u8 Name[16]; 1227 __le32 Mode; 1228 __u32 Reserved; 1229} __packed; 1230 1231/* See MS-SMB2 2.2.13.2.3 and MS-SMB2 2.2.13.2.4 */ 1232struct create_durable { 1233 struct create_context ccontext; 1234 __u8 Name[8]; 1235 union { 1236 __u8 Reserved[16]; 1237 struct { 1238 __u64 PersistentFileId; 1239 __u64 VolatileFileId; 1240 } Fid; 1241 } Data; 1242} __packed; 1243 1244/* See MS-SMB2 2.2.13.2.5 */ 1245struct create_mxac_req { 1246 struct create_context ccontext; 1247 __u8 Name[8]; 1248 __le64 Timestamp; 1249} __packed; 1250 1251/* See MS-SMB2 2.2.14.2.5 */ 1252struct create_mxac_rsp { 1253 struct create_context ccontext; 1254 __u8 Name[8]; 1255 __le32 QueryStatus; 1256 __le32 MaximalAccess; 1257} __packed; 1258 1259#define SMB2_LEASE_NONE_LE cpu_to_le32(0x00) 1260#define SMB2_LEASE_READ_CACHING_LE cpu_to_le32(0x01) 1261#define SMB2_LEASE_HANDLE_CACHING_LE cpu_to_le32(0x02) 1262#define SMB2_LEASE_WRITE_CACHING_LE cpu_to_le32(0x04) 1263 1264#define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS_LE cpu_to_le32(0x02) 1265#define SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET_LE cpu_to_le32(0x04) 1266 1267#define SMB2_LEASE_KEY_SIZE 16 1268 1269/* See MS-SMB2 2.2.13.2.8 */ 1270struct lease_context { 1271 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 1272 __le32 LeaseState; 1273 __le32 LeaseFlags; 1274 __le64 LeaseDuration; 1275} __packed; 1276 1277/* See MS-SMB2 2.2.13.2.10 */ 1278struct lease_context_v2 { 1279 __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; 1280 __le32 LeaseState; 1281 __le32 LeaseFlags; 1282 __le64 LeaseDuration; 1283 __u8 ParentLeaseKey[SMB2_LEASE_KEY_SIZE]; 1284 __le16 Epoch; 1285 __le16 Reserved; 1286} __packed; 1287 1288struct create_lease { 1289 struct create_context ccontext; 1290 __u8 Name[8]; 1291 struct lease_context lcontext; 1292} __packed; 1293 1294struct create_lease_v2 { 1295 struct create_context ccontext; 1296 __u8 Name[8]; 1297 struct lease_context_v2 lcontext; 1298 __u8 Pad[4]; 1299} __packed; 1300 1301/* See MS-SMB2 2.2.14.2.9 */ 1302struct create_disk_id_rsp { 1303 struct create_context ccontext; 1304 __u8 Name[8]; 1305 __le64 DiskFileId; 1306 __le64 VolumeId; 1307 __u8 Reserved[16]; 1308} __packed; 1309 1310/* See MS-SMB2 2.2.13.2.13 */ 1311struct create_app_inst_id { 1312 struct create_context ccontext; 1313 __u8 Name[16]; 1314 __le32 StructureSize; /* Must be 20 */ 1315 __u16 Reserved; 1316 __u8 AppInstanceId[16]; 1317} __packed; 1318 1319/* See MS-SMB2 2.2.13.2.15 */ 1320struct create_app_inst_id_vers { 1321 struct create_context ccontext; 1322 __u8 Name[16]; 1323 __le32 StructureSize; /* Must be 24 */ 1324 __u16 Reserved; 1325 __u32 Padding; 1326 __le64 AppInstanceVersionHigh; 1327 __le64 AppInstanceVersionLow; 1328} __packed; 1329 1330/* See MS-SMB2 2.2.31 and 2.2.32 */ 1331struct smb2_ioctl_req { 1332 struct smb2_hdr hdr; 1333 __le16 StructureSize; /* Must be 57 */ 1334 __le16 Reserved; /* offset from start of SMB2 header to write data */ 1335 __le32 CtlCode; 1336 __u64 PersistentFileId; 1337 __u64 VolatileFileId; 1338 __le32 InputOffset; /* Reserved MBZ */ 1339 __le32 InputCount; 1340 __le32 MaxInputResponse; 1341 __le32 OutputOffset; 1342 __le32 OutputCount; 1343 __le32 MaxOutputResponse; 1344 __le32 Flags; 1345 __le32 Reserved2; 1346 __u8 Buffer[]; 1347} __packed; 1348 1349struct smb2_ioctl_rsp { 1350 struct smb2_hdr hdr; 1351 __le16 StructureSize; /* Must be 49 */ 1352 __le16 Reserved; 1353 __le32 CtlCode; 1354 __u64 PersistentFileId; 1355 __u64 VolatileFileId; 1356 __le32 InputOffset; /* Reserved MBZ */ 1357 __le32 InputCount; 1358 __le32 OutputOffset; 1359 __le32 OutputCount; 1360 __le32 Flags; 1361 __le32 Reserved2; 1362 __u8 Buffer[]; 1363} __packed; 1364 1365/* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */ 1366struct file_zero_data_information { 1367 __le64 FileOffset; 1368 __le64 BeyondFinalZero; 1369} __packed; 1370 1371/* See MS-FSCC 2.3.7 */ 1372struct duplicate_extents_to_file { 1373 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 1374 __u64 VolatileFileHandle; 1375 __le64 SourceFileOffset; 1376 __le64 TargetFileOffset; 1377 __le64 ByteCount; /* Bytes to be copied */ 1378} __packed; 1379 1380/* See MS-FSCC 2.3.8 */ 1381#define DUPLICATE_EXTENTS_DATA_EX_SOURCE_ATOMIC 0x00000001 1382struct duplicate_extents_to_file_ex { 1383 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 1384 __u64 VolatileFileHandle; 1385 __le64 SourceFileOffset; 1386 __le64 TargetFileOffset; 1387 __le64 ByteCount; /* Bytes to be copied */ 1388 __le32 Flags; 1389 __le32 Reserved; 1390} __packed; 1391 1392 1393/* See MS-FSCC 2.3.20 */ 1394struct fsctl_get_integrity_information_rsp { 1395 __le16 ChecksumAlgorithm; 1396 __le16 Reserved; 1397 __le32 Flags; 1398 __le32 ChecksumChunkSizeInBytes; 1399 __le32 ClusterSizeInBytes; 1400} __packed; 1401 1402/* See MS-FSCC 2.3.55 */ 1403struct fsctl_query_file_regions_req { 1404 __le64 FileOffset; 1405 __le64 Length; 1406 __le32 DesiredUsage; 1407 __le32 Reserved; 1408} __packed; 1409 1410/* DesiredUsage flags see MS-FSCC 2.3.56.1 */ 1411#define FILE_USAGE_INVALID_RANGE 0x00000000 1412#define FILE_USAGE_VALID_CACHED_DATA 0x00000001 1413#define FILE_USAGE_NONCACHED_DATA 0x00000002 1414 1415struct file_region_info { 1416 __le64 FileOffset; 1417 __le64 Length; 1418 __le32 DesiredUsage; 1419 __le32 Reserved; 1420} __packed; 1421 1422/* See MS-FSCC 2.3.56 */ 1423struct fsctl_query_file_region_rsp { 1424 __le32 Flags; 1425 __le32 TotalRegionEntryCount; 1426 __le32 RegionEntryCount; 1427 __u32 Reserved; 1428 struct file_region_info Regions[]; 1429} __packed; 1430 1431/* See MS-FSCC 2.3.58 */ 1432struct fsctl_query_on_disk_vol_info_rsp { 1433 __le64 DirectoryCount; 1434 __le64 FileCount; 1435 __le16 FsFormatMajVersion; 1436 __le16 FsFormatMinVersion; 1437 __u8 FsFormatName[24]; 1438 __le64 FormatTime; 1439 __le64 LastUpdateTime; 1440 __u8 CopyrightInfo[68]; 1441 __u8 AbstractInfo[68]; 1442 __u8 FormatImplInfo[68]; 1443 __u8 LastModifyImplInfo[68]; 1444} __packed; 1445 1446/* See MS-FSCC 2.3.73 */ 1447struct fsctl_set_integrity_information_req { 1448 __le16 ChecksumAlgorithm; 1449 __le16 Reserved; 1450 __le32 Flags; 1451} __packed; 1452 1453/* See MS-FSCC 2.3.75 */ 1454struct fsctl_set_integrity_info_ex_req { 1455 __u8 EnableIntegrity; 1456 __u8 KeepState; 1457 __u16 Reserved; 1458 __le32 Flags; 1459 __u8 Version; 1460 __u8 Reserved2[7]; 1461} __packed; 1462 1463/* Integrity ChecksumAlgorithm choices for above */ 1464#define CHECKSUM_TYPE_NONE 0x0000 1465#define CHECKSUM_TYPE_CRC64 0x0002 1466#define CHECKSUM_TYPE_UNCHANGED 0xFFFF /* set only */ 1467 1468/* Integrity flags for above */ 1469#define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x00000001 1470 1471/* Reparse structures - see MS-FSCC 2.1.2 */ 1472 1473/* struct fsctl_reparse_info_req is empty, only response structs (see below) */ 1474struct reparse_data_buffer { 1475 __le32 ReparseTag; 1476 __le16 ReparseDataLength; 1477 __u16 Reserved; 1478 __u8 DataBuffer[]; /* Variable Length */ 1479} __packed; 1480 1481struct reparse_guid_data_buffer { 1482 __le32 ReparseTag; 1483 __le16 ReparseDataLength; 1484 __u16 Reserved; 1485 __u8 ReparseGuid[16]; 1486 __u8 DataBuffer[]; /* Variable Length */ 1487} __packed; 1488 1489struct reparse_mount_point_data_buffer { 1490 __le32 ReparseTag; 1491 __le16 ReparseDataLength; 1492 __u16 Reserved; 1493 __le16 SubstituteNameOffset; 1494 __le16 SubstituteNameLength; 1495 __le16 PrintNameOffset; 1496 __le16 PrintNameLength; 1497 __u8 PathBuffer[]; /* Variable Length */ 1498} __packed; 1499 1500#define SYMLINK_FLAG_RELATIVE 0x00000001 1501 1502struct reparse_symlink_data_buffer { 1503 __le32 ReparseTag; 1504 __le16 ReparseDataLength; 1505 __u16 Reserved; 1506 __le16 SubstituteNameOffset; 1507 __le16 SubstituteNameLength; 1508 __le16 PrintNameOffset; 1509 __le16 PrintNameLength; 1510 __le32 Flags; 1511 __u8 PathBuffer[]; /* Variable Length */ 1512} __packed; 1513 1514/* See MS-FSCC 2.1.2.6 and cifspdu.h for struct reparse_posix_data */ 1515 1516struct validate_negotiate_info_req { 1517 __le32 Capabilities; 1518 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1519 __le16 SecurityMode; 1520 __le16 DialectCount; 1521 __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */ 1522} __packed; 1523 1524struct validate_negotiate_info_rsp { 1525 __le32 Capabilities; 1526 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 1527 __le16 SecurityMode; 1528 __le16 Dialect; /* Dialect in use for the connection */ 1529} __packed; 1530 1531 1532/* Possible InfoType values */ 1533#define SMB2_O_INFO_FILE 0x01 1534#define SMB2_O_INFO_FILESYSTEM 0x02 1535#define SMB2_O_INFO_SECURITY 0x03 1536#define SMB2_O_INFO_QUOTA 0x04 1537 1538/* SMB2 Query Info see MS-SMB2 (2.2.37) or MS-DTYP */ 1539 1540/* List of QUERY INFO levels (those also valid for QUERY_DIR are noted below */ 1541#define FILE_DIRECTORY_INFORMATION 1 /* also for QUERY_DIR */ 1542#define FILE_FULL_DIRECTORY_INFORMATION 2 /* also for QUERY_DIR */ 1543#define FILE_BOTH_DIRECTORY_INFORMATION 3 /* also for QUERY_DIR */ 1544#define FILE_BASIC_INFORMATION 4 1545#define FILE_STANDARD_INFORMATION 5 1546#define FILE_INTERNAL_INFORMATION 6 1547#define FILE_EA_INFORMATION 7 1548#define FILE_ACCESS_INFORMATION 8 1549#define FILE_NAME_INFORMATION 9 1550#define FILE_RENAME_INFORMATION 10 1551#define FILE_LINK_INFORMATION 11 1552#define FILE_NAMES_INFORMATION 12 /* also for QUERY_DIR */ 1553#define FILE_DISPOSITION_INFORMATION 13 1554#define FILE_POSITION_INFORMATION 14 1555#define FILE_FULL_EA_INFORMATION 15 1556#define FILE_MODE_INFORMATION 16 1557#define FILE_ALIGNMENT_INFORMATION 17 1558#define FILE_ALL_INFORMATION 18 1559#define FILE_ALLOCATION_INFORMATION 19 1560#define FILE_END_OF_FILE_INFORMATION 20 1561#define FILE_ALTERNATE_NAME_INFORMATION 21 1562#define FILE_STREAM_INFORMATION 22 1563#define FILE_PIPE_INFORMATION 23 1564#define FILE_PIPE_LOCAL_INFORMATION 24 1565#define FILE_PIPE_REMOTE_INFORMATION 25 1566#define FILE_MAILSLOT_QUERY_INFORMATION 26 1567#define FILE_MAILSLOT_SET_INFORMATION 27 1568#define FILE_COMPRESSION_INFORMATION 28 1569#define FILE_OBJECT_ID_INFORMATION 29 1570/* Number 30 not defined in documents */ 1571#define FILE_MOVE_CLUSTER_INFORMATION 31 1572#define FILE_QUOTA_INFORMATION 32 1573#define FILE_REPARSE_POINT_INFORMATION 33 1574#define FILE_NETWORK_OPEN_INFORMATION 34 1575#define FILE_ATTRIBUTE_TAG_INFORMATION 35 1576#define FILE_TRACKING_INFORMATION 36 1577#define FILEID_BOTH_DIRECTORY_INFORMATION 37 /* also for QUERY_DIR */ 1578#define FILEID_FULL_DIRECTORY_INFORMATION 38 /* also for QUERY_DIR */ 1579#define FILE_VALID_DATA_LENGTH_INFORMATION 39 1580#define FILE_SHORT_NAME_INFORMATION 40 1581#define FILE_SFIO_RESERVE_INFORMATION 44 1582#define FILE_SFIO_VOLUME_INFORMATION 45 1583#define FILE_HARD_LINK_INFORMATION 46 1584#define FILE_NORMALIZED_NAME_INFORMATION 48 1585#define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50 1586#define FILE_STANDARD_LINK_INFORMATION 54 1587#define FILE_ID_INFORMATION 59 1588#define FILE_ID_EXTD_DIRECTORY_INFORMATION 60 /* also for QUERY_DIR */ 1589/* Used for Query Info and Find File POSIX Info for SMB3.1.1 and SMB1 */ 1590#define SMB_FIND_FILE_POSIX_INFO 0x064 1591 1592/* Security info type additionalinfo flags. */ 1593#define OWNER_SECINFO 0x00000001 1594#define GROUP_SECINFO 0x00000002 1595#define DACL_SECINFO 0x00000004 1596#define SACL_SECINFO 0x00000008 1597#define LABEL_SECINFO 0x00000010 1598#define ATTRIBUTE_SECINFO 0x00000020 1599#define SCOPE_SECINFO 0x00000040 1600#define BACKUP_SECINFO 0x00010000 1601#define UNPROTECTED_SACL_SECINFO 0x10000000 1602#define UNPROTECTED_DACL_SECINFO 0x20000000 1603#define PROTECTED_SACL_SECINFO 0x40000000 1604#define PROTECTED_DACL_SECINFO 0x80000000 1605 1606/* Flags used for FileFullEAinfo */ 1607#define SL_RESTART_SCAN 0x00000001 1608#define SL_RETURN_SINGLE_ENTRY 0x00000002 1609#define SL_INDEX_SPECIFIED 0x00000004 1610 1611struct smb2_query_info_req { 1612 struct smb2_hdr hdr; 1613 __le16 StructureSize; /* Must be 41 */ 1614 __u8 InfoType; 1615 __u8 FileInfoClass; 1616 __le32 OutputBufferLength; 1617 __le16 InputBufferOffset; 1618 __u16 Reserved; 1619 __le32 InputBufferLength; 1620 __le32 AdditionalInformation; 1621 __le32 Flags; 1622 __u64 PersistentFileId; 1623 __u64 VolatileFileId; 1624 __u8 Buffer[]; 1625} __packed; 1626 1627struct smb2_query_info_rsp { 1628 struct smb2_hdr hdr; 1629 __le16 StructureSize; /* Must be 9 */ 1630 __le16 OutputBufferOffset; 1631 __le32 OutputBufferLength; 1632 __u8 Buffer[]; 1633} __packed; 1634 1635/* 1636 * PDU query infolevel structure definitions 1637 */ 1638 1639/* See MS-FSCC 2.3.52 */ 1640struct file_allocated_range_buffer { 1641 __le64 file_offset; 1642 __le64 length; 1643} __packed; 1644 1645struct smb2_file_internal_info { 1646 __le64 IndexNumber; 1647} __packed; /* level 6 Query */ 1648 1649struct smb2_file_rename_info { /* encoding of request for level 10 */ 1650 __u8 ReplaceIfExists; /* 1 = replace existing target with new */ 1651 /* 0 = fail if target already exists */ 1652 __u8 Reserved[7]; 1653 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1654 __le32 FileNameLength; 1655 char FileName[]; /* New name to be assigned */ 1656 /* padding - overall struct size must be >= 24 so filename + pad >= 6 */ 1657} __packed; /* level 10 Set */ 1658 1659struct smb2_file_link_info { /* encoding of request for level 11 */ 1660 __u8 ReplaceIfExists; /* 1 = replace existing link with new */ 1661 /* 0 = fail if link already exists */ 1662 __u8 Reserved[7]; 1663 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1664 __le32 FileNameLength; 1665 char FileName[]; /* Name to be assigned to new link */ 1666} __packed; /* level 11 Set */ 1667 1668/* 1669 * This level 18, although with struct with same name is different from cifs 1670 * level 0x107. Level 0x107 has an extra u64 between AccessFlags and 1671 * CurrentByteOffset. 1672 */ 1673struct smb2_file_all_info { /* data block encoding of response to level 18 */ 1674 __le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */ 1675 __le64 LastAccessTime; 1676 __le64 LastWriteTime; 1677 __le64 ChangeTime; 1678 __le32 Attributes; 1679 __u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */ 1680 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 1681 __le64 EndOfFile; /* size ie offset to first free byte in file */ 1682 __le32 NumberOfLinks; /* hard links */ 1683 __u8 DeletePending; 1684 __u8 Directory; 1685 __u16 Pad2; /* End of FILE_STANDARD_INFO equivalent */ 1686 __le64 IndexNumber; 1687 __le32 EASize; 1688 __le32 AccessFlags; 1689 __le64 CurrentByteOffset; 1690 __le32 Mode; 1691 __le32 AlignmentRequirement; 1692 __le32 FileNameLength; 1693 union { 1694 char __pad; /* Legacy structure padding */ 1695 DECLARE_FLEX_ARRAY(char, FileName); 1696 }; 1697} __packed; /* level 18 Query */ 1698 1699struct smb2_file_eof_info { /* encoding of request for level 10 */ 1700 __le64 EndOfFile; /* new end of file value */ 1701} __packed; /* level 20 Set */ 1702 1703/* Level 100 query info */ 1704struct smb311_posix_qinfo { 1705 __le64 CreationTime; 1706 __le64 LastAccessTime; 1707 __le64 LastWriteTime; 1708 __le64 ChangeTime; 1709 __le64 EndOfFile; 1710 __le64 AllocationSize; 1711 __le32 DosAttributes; 1712 __le64 Inode; 1713 __le32 DeviceId; 1714 __le32 Zero; 1715 /* beginning of POSIX Create Context Response */ 1716 __le32 HardLinks; 1717 __le32 ReparseTag; 1718 __le32 Mode; 1719 u8 Sids[]; 1720 /* 1721 * var sized owner SID 1722 * var sized group SID 1723 * le32 filenamelength 1724 * u8 filename[] 1725 */ 1726} __packed; 1727 1728/* File System Information Classes */ 1729#define FS_VOLUME_INFORMATION 1 /* Query */ 1730#define FS_LABEL_INFORMATION 2 /* Set */ 1731#define FS_SIZE_INFORMATION 3 /* Query */ 1732#define FS_DEVICE_INFORMATION 4 /* Query */ 1733#define FS_ATTRIBUTE_INFORMATION 5 /* Query */ 1734#define FS_CONTROL_INFORMATION 6 /* Query, Set */ 1735#define FS_FULL_SIZE_INFORMATION 7 /* Query */ 1736#define FS_OBJECT_ID_INFORMATION 8 /* Query, Set */ 1737#define FS_DRIVER_PATH_INFORMATION 9 /* Query */ 1738#define FS_SECTOR_SIZE_INFORMATION 11 /* SMB3 or later. Query */ 1739#define FS_POSIX_INFORMATION 100 /* SMB3.1.1 POSIX. Query */ 1740 1741struct smb2_fs_full_size_info { 1742 __le64 TotalAllocationUnits; 1743 __le64 CallerAvailableAllocationUnits; 1744 __le64 ActualAvailableAllocationUnits; 1745 __le32 SectorsPerAllocationUnit; 1746 __le32 BytesPerSector; 1747} __packed; 1748 1749#define SSINFO_FLAGS_ALIGNED_DEVICE 0x00000001 1750#define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002 1751#define SSINFO_FLAGS_NO_SEEK_PENALTY 0x00000004 1752#define SSINFO_FLAGS_TRIM_ENABLED 0x00000008 1753 1754/* sector size info struct */ 1755struct smb3_fs_ss_info { 1756 __le32 LogicalBytesPerSector; 1757 __le32 PhysicalBytesPerSectorForAtomicity; 1758 __le32 PhysicalBytesPerSectorForPerf; 1759 __le32 FSEffPhysicalBytesPerSectorForAtomicity; 1760 __le32 Flags; 1761 __le32 ByteOffsetForSectorAlignment; 1762 __le32 ByteOffsetForPartitionAlignment; 1763} __packed; 1764 1765/* File System Control Information */ 1766struct smb2_fs_control_info { 1767 __le64 FreeSpaceStartFiltering; 1768 __le64 FreeSpaceThreshold; 1769 __le64 FreeSpaceStopFiltering; 1770 __le64 DefaultQuotaThreshold; 1771 __le64 DefaultQuotaLimit; 1772 __le32 FileSystemControlFlags; 1773 __le32 Padding; 1774} __packed; 1775 1776/* volume info struct - see MS-FSCC 2.5.9 */ 1777#define MAX_VOL_LABEL_LEN 32 1778struct smb3_fs_vol_info { 1779 __le64 VolumeCreationTime; 1780 __u32 VolumeSerialNumber; 1781 __le32 VolumeLabelLength; /* includes trailing null */ 1782 __u8 SupportsObjects; /* True if eg like NTFS, supports objects */ 1783 __u8 Reserved; 1784 __u8 VolumeLabel[]; /* variable len */ 1785} __packed; 1786 1787/* See MS-SMB2 2.2.23 through 2.2.25 */ 1788struct smb2_oplock_break { 1789 struct smb2_hdr hdr; 1790 __le16 StructureSize; /* Must be 24 */ 1791 __u8 OplockLevel; 1792 __u8 Reserved; 1793 __le32 Reserved2; 1794 __u64 PersistentFid; 1795 __u64 VolatileFid; 1796} __packed; 1797 1798#define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01) 1799 1800struct smb2_lease_break { 1801 struct smb2_hdr hdr; 1802 __le16 StructureSize; /* Must be 44 */ 1803 __le16 Epoch; 1804 __le32 Flags; 1805 __u8 LeaseKey[16]; 1806 __le32 CurrentLeaseState; 1807 __le32 NewLeaseState; 1808 __le32 BreakReason; 1809 __le32 AccessMaskHint; 1810 __le32 ShareMaskHint; 1811} __packed; 1812 1813struct smb2_lease_ack { 1814 struct smb2_hdr hdr; 1815 __le16 StructureSize; /* Must be 36 */ 1816 __le16 Reserved; 1817 __le32 Flags; 1818 __u8 LeaseKey[16]; 1819 __le32 LeaseState; 1820 __le64 LeaseDuration; 1821} __packed; 1822 1823#define OP_BREAK_STRUCT_SIZE_20 24 1824#define OP_BREAK_STRUCT_SIZE_21 36 1825#endif /* _COMMON_SMB2PDU_H */ 1826