1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Copyright (C) 2016 Namjae Jeon <linkinjeon@kernel.org> 4 * Copyright (C) 2018 Samsung Electronics Co., Ltd. 5 */ 6 7 #ifndef _SMB2PDU_H 8 #define _SMB2PDU_H 9 10 #include "ntlmssp.h" 11 #include "smbacl.h" 12 13 /* 14 * Note that, due to trying to use names similar to the protocol specifications, 15 * there are many mixed case field names in the structures below. Although 16 * this does not match typical Linux kernel style, it is necessary to be 17 * able to match against the protocol specfication. 18 * 19 * SMB2 commands 20 * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses 21 * (ie no useful data other than the SMB error code itself) and are marked such. 22 * Knowing this helps avoid response buffer allocations and copy in some cases. 23 */ 24 25 /* List of commands in host endian */ 26 #define SMB2_NEGOTIATE_HE 0x0000 27 #define SMB2_SESSION_SETUP_HE 0x0001 28 #define SMB2_LOGOFF_HE 0x0002 /* trivial request/resp */ 29 #define SMB2_TREE_CONNECT_HE 0x0003 30 #define SMB2_TREE_DISCONNECT_HE 0x0004 /* trivial req/resp */ 31 #define SMB2_CREATE_HE 0x0005 32 #define SMB2_CLOSE_HE 0x0006 33 #define SMB2_FLUSH_HE 0x0007 /* trivial resp */ 34 #define SMB2_READ_HE 0x0008 35 #define SMB2_WRITE_HE 0x0009 36 #define SMB2_LOCK_HE 0x000A 37 #define SMB2_IOCTL_HE 0x000B 38 #define SMB2_CANCEL_HE 0x000C 39 #define SMB2_ECHO_HE 0x000D 40 #define SMB2_QUERY_DIRECTORY_HE 0x000E 41 #define SMB2_CHANGE_NOTIFY_HE 0x000F 42 #define SMB2_QUERY_INFO_HE 0x0010 43 #define SMB2_SET_INFO_HE 0x0011 44 #define SMB2_OPLOCK_BREAK_HE 0x0012 45 46 /* The same list in little endian */ 47 #define SMB2_NEGOTIATE cpu_to_le16(SMB2_NEGOTIATE_HE) 48 #define SMB2_SESSION_SETUP cpu_to_le16(SMB2_SESSION_SETUP_HE) 49 #define SMB2_LOGOFF cpu_to_le16(SMB2_LOGOFF_HE) 50 #define SMB2_TREE_CONNECT cpu_to_le16(SMB2_TREE_CONNECT_HE) 51 #define SMB2_TREE_DISCONNECT cpu_to_le16(SMB2_TREE_DISCONNECT_HE) 52 #define SMB2_CREATE cpu_to_le16(SMB2_CREATE_HE) 53 #define SMB2_CLOSE cpu_to_le16(SMB2_CLOSE_HE) 54 #define SMB2_FLUSH cpu_to_le16(SMB2_FLUSH_HE) 55 #define SMB2_READ cpu_to_le16(SMB2_READ_HE) 56 #define SMB2_WRITE cpu_to_le16(SMB2_WRITE_HE) 57 #define SMB2_LOCK cpu_to_le16(SMB2_LOCK_HE) 58 #define SMB2_IOCTL cpu_to_le16(SMB2_IOCTL_HE) 59 #define SMB2_CANCEL cpu_to_le16(SMB2_CANCEL_HE) 60 #define SMB2_ECHO cpu_to_le16(SMB2_ECHO_HE) 61 #define SMB2_QUERY_DIRECTORY cpu_to_le16(SMB2_QUERY_DIRECTORY_HE) 62 #define SMB2_CHANGE_NOTIFY cpu_to_le16(SMB2_CHANGE_NOTIFY_HE) 63 #define SMB2_QUERY_INFO cpu_to_le16(SMB2_QUERY_INFO_HE) 64 #define SMB2_SET_INFO cpu_to_le16(SMB2_SET_INFO_HE) 65 #define SMB2_OPLOCK_BREAK cpu_to_le16(SMB2_OPLOCK_BREAK_HE) 66 67 /*Create Action Flags*/ 68 #define FILE_SUPERSEDED 0x00000000 69 #define FILE_OPENED 0x00000001 70 #define FILE_CREATED 0x00000002 71 #define FILE_OVERWRITTEN 0x00000003 72 73 /* 74 * Size of the session key (crypto key encrypted with the password 75 */ 76 #define SMB2_NTLMV2_SESSKEY_SIZE 16 77 #define SMB2_SIGNATURE_SIZE 16 78 #define SMB2_HMACSHA256_SIZE 32 79 #define SMB2_CMACAES_SIZE 16 80 #define SMB3_GCM128_CRYPTKEY_SIZE 16 81 #define SMB3_GCM256_CRYPTKEY_SIZE 32 82 83 /* 84 * Size of the smb3 encryption/decryption keys 85 */ 86 #define SMB3_ENC_DEC_KEY_SIZE 32 87 88 /* 89 * Size of the smb3 signing key 90 */ 91 #define SMB3_SIGN_KEY_SIZE 16 92 93 #define CIFS_CLIENT_CHALLENGE_SIZE 8 94 #define SMB_SERVER_CHALLENGE_SIZE 8 95 96 /* SMB2 Max Credits */ 97 #define SMB2_MAX_CREDITS 8192 98 99 #define SMB2_CLIENT_GUID_SIZE 16 100 #define SMB2_CREATE_GUID_SIZE 16 101 102 /* Maximum buffer size value we can send with 1 credit */ 103 #define SMB2_MAX_BUFFER_SIZE 65536 104 105 #define NUMBER_OF_SMB2_COMMANDS 0x0013 106 107 /* BB FIXME - analyze following length BB */ 108 #define MAX_SMB2_HDR_SIZE 0x78 /* 4 len + 64 hdr + (2*24 wct) + 2 bct + 2 pad */ 109 110 #define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe) /* 'B''M''S' */ 111 #define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd) 112 113 #define SMB21_DEFAULT_IOSIZE (1024 * 1024) 114 #define SMB3_DEFAULT_IOSIZE (4 * 1024 * 1024) 115 #define SMB3_DEFAULT_TRANS_SIZE (1024 * 1024) 116 #define SMB3_MIN_IOSIZE (64 * 1024) 117 #define SMB3_MAX_IOSIZE (8 * 1024 * 1024) 118 119 /* 120 * SMB2 Header Definition 121 * 122 * "MBZ" : Must be Zero 123 * "BB" : BugBug, Something to check/review/analyze later 124 * "PDU" : "Protocol Data Unit" (ie a network "frame") 125 * 126 */ 127 128 #define __SMB2_HEADER_STRUCTURE_SIZE 64 129 #define SMB2_HEADER_STRUCTURE_SIZE \ 130 cpu_to_le16(__SMB2_HEADER_STRUCTURE_SIZE) 131 132 struct smb2_hdr { 133 __be32 smb2_buf_length; /* big endian on wire */ 134 /* 135 * length is only two or three bytes - with 136 * one or two byte type preceding it that MBZ 137 */ 138 __le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */ 139 __le16 StructureSize; /* 64 */ 140 __le16 CreditCharge; /* MBZ */ 141 __le32 Status; /* Error from server */ 142 __le16 Command; 143 __le16 CreditRequest; /* CreditResponse */ 144 __le32 Flags; 145 __le32 NextCommand; 146 __le64 MessageId; 147 union { 148 struct { 149 __le32 ProcessId; 150 __le32 TreeId; 151 } __packed SyncId; 152 __le64 AsyncId; 153 } __packed Id; 154 __le64 SessionId; 155 __u8 Signature[16]; 156 } __packed; 157 158 struct smb2_pdu { 159 struct smb2_hdr hdr; 160 __le16 StructureSize2; /* size of wct area (varies, request specific) */ 161 } __packed; 162 163 #define SMB3_AES_CCM_NONCE 11 164 #define SMB3_AES_GCM_NONCE 12 165 166 struct smb2_transform_hdr { 167 __be32 smb2_buf_length; /* big endian on wire */ 168 /* 169 * length is only two or three bytes - with 170 * one or two byte type preceding it that MBZ 171 */ 172 __le32 ProtocolId; /* 0xFD 'S' 'M' 'B' */ 173 __u8 Signature[16]; 174 __u8 Nonce[16]; 175 __le32 OriginalMessageSize; 176 __u16 Reserved1; 177 __le16 Flags; /* EncryptionAlgorithm */ 178 __le64 SessionId; 179 } __packed; 180 181 /* 182 * SMB2 flag definitions 183 */ 184 #define SMB2_FLAGS_SERVER_TO_REDIR cpu_to_le32(0x00000001) 185 #define SMB2_FLAGS_ASYNC_COMMAND cpu_to_le32(0x00000002) 186 #define SMB2_FLAGS_RELATED_OPERATIONS cpu_to_le32(0x00000004) 187 #define SMB2_FLAGS_SIGNED cpu_to_le32(0x00000008) 188 #define SMB2_FLAGS_DFS_OPERATIONS cpu_to_le32(0x10000000) 189 #define SMB2_FLAGS_REPLAY_OPERATIONS cpu_to_le32(0x20000000) 190 191 /* 192 * Definitions for SMB2 Protocol Data Units (network frames) 193 * 194 * See MS-SMB2.PDF specification for protocol details. 195 * The Naming convention is the lower case version of the SMB2 196 * command code name for the struct. Note that structures must be packed. 197 * 198 */ 199 200 #define SMB2_ERROR_STRUCTURE_SIZE2 9 201 #define SMB2_ERROR_STRUCTURE_SIZE2_LE cpu_to_le16(SMB2_ERROR_STRUCTURE_SIZE2) 202 203 struct smb2_err_rsp { 204 struct smb2_hdr hdr; 205 __le16 StructureSize; 206 __u8 ErrorContextCount; 207 __u8 Reserved; 208 __le32 ByteCount; /* even if zero, at least one byte follows */ 209 __u8 ErrorData[1]; /* variable length */ 210 } __packed; 211 212 struct smb2_negotiate_req { 213 struct smb2_hdr hdr; 214 __le16 StructureSize; /* Must be 36 */ 215 __le16 DialectCount; 216 __le16 SecurityMode; 217 __le16 Reserved; /* MBZ */ 218 __le32 Capabilities; 219 __u8 ClientGUID[SMB2_CLIENT_GUID_SIZE]; 220 /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */ 221 __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */ 222 __le16 NegotiateContextCount; /* SMB3.1.1 only. MBZ earlier */ 223 __le16 Reserved2; 224 __le16 Dialects[1]; /* One dialect (vers=) at a time for now */ 225 } __packed; 226 227 /* SecurityMode flags */ 228 #define SMB2_NEGOTIATE_SIGNING_ENABLED_LE cpu_to_le16(0x0001) 229 #define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002 230 #define SMB2_NEGOTIATE_SIGNING_REQUIRED_LE cpu_to_le16(0x0002) 231 /* Capabilities flags */ 232 #define SMB2_GLOBAL_CAP_DFS 0x00000001 233 #define SMB2_GLOBAL_CAP_LEASING 0x00000002 /* Resp only New to SMB2.1 */ 234 #define SMB2_GLOBAL_CAP_LARGE_MTU 0X00000004 /* Resp only New to SMB2.1 */ 235 #define SMB2_GLOBAL_CAP_MULTI_CHANNEL 0x00000008 /* New to SMB3 */ 236 #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */ 237 #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING 0x00000020 /* New to SMB3 */ 238 #define SMB2_GLOBAL_CAP_ENCRYPTION 0x00000040 /* New to SMB3 */ 239 /* Internal types */ 240 #define SMB2_NT_FIND 0x00100000 241 #define SMB2_LARGE_FILES 0x00200000 242 243 #define SMB311_SALT_SIZE 32 244 /* Hash Algorithm Types */ 245 #define SMB2_PREAUTH_INTEGRITY_SHA512 cpu_to_le16(0x0001) 246 247 #define PREAUTH_HASHVALUE_SIZE 64 248 249 struct preauth_integrity_info { 250 /* PreAuth integrity Hash ID */ 251 __le16 Preauth_HashId; 252 /* PreAuth integrity Hash Value */ 253 __u8 Preauth_HashValue[PREAUTH_HASHVALUE_SIZE]; 254 }; 255 256 /* offset is sizeof smb2_negotiate_rsp - 4 but rounded up to 8 bytes. */ 257 #ifdef CONFIG_SMB_SERVER_KERBEROS5 258 /* sizeof(struct smb2_negotiate_rsp) - 4 = 259 * header(64) + response(64) + GSS_LENGTH(96) + GSS_PADDING(0) 260 */ 261 #define OFFSET_OF_NEG_CONTEXT 0xe0 262 #else 263 /* sizeof(struct smb2_negotiate_rsp) - 4 = 264 * header(64) + response(64) + GSS_LENGTH(74) + GSS_PADDING(6) 265 */ 266 #define OFFSET_OF_NEG_CONTEXT 0xd0 267 #endif 268 269 #define SMB2_PREAUTH_INTEGRITY_CAPABILITIES cpu_to_le16(1) 270 #define SMB2_ENCRYPTION_CAPABILITIES cpu_to_le16(2) 271 #define SMB2_COMPRESSION_CAPABILITIES cpu_to_le16(3) 272 #define SMB2_NETNAME_NEGOTIATE_CONTEXT_ID cpu_to_le16(5) 273 #define SMB2_SIGNING_CAPABILITIES cpu_to_le16(8) 274 #define SMB2_POSIX_EXTENSIONS_AVAILABLE cpu_to_le16(0x100) 275 276 struct smb2_neg_context { 277 __le16 ContextType; 278 __le16 DataLength; 279 __le32 Reserved; 280 /* Followed by array of data */ 281 } __packed; 282 283 struct smb2_preauth_neg_context { 284 __le16 ContextType; /* 1 */ 285 __le16 DataLength; 286 __le32 Reserved; 287 __le16 HashAlgorithmCount; /* 1 */ 288 __le16 SaltLength; 289 __le16 HashAlgorithms; /* HashAlgorithms[0] since only one defined */ 290 __u8 Salt[SMB311_SALT_SIZE]; 291 } __packed; 292 293 /* Encryption Algorithms Ciphers */ 294 #define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001) 295 #define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002) 296 #define SMB2_ENCRYPTION_AES256_CCM cpu_to_le16(0x0003) 297 #define SMB2_ENCRYPTION_AES256_GCM cpu_to_le16(0x0004) 298 299 struct smb2_encryption_neg_context { 300 __le16 ContextType; /* 2 */ 301 __le16 DataLength; 302 __le32 Reserved; 303 /* CipherCount usally 2, but can be 3 when AES256-GCM enabled */ 304 __le16 CipherCount; /* AES-128-GCM and AES-128-CCM by default */ 305 __le16 Ciphers[]; 306 } __packed; 307 308 #define SMB3_COMPRESS_NONE cpu_to_le16(0x0000) 309 #define SMB3_COMPRESS_LZNT1 cpu_to_le16(0x0001) 310 #define SMB3_COMPRESS_LZ77 cpu_to_le16(0x0002) 311 #define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003) 312 313 struct smb2_compression_ctx { 314 __le16 ContextType; /* 3 */ 315 __le16 DataLength; 316 __le32 Reserved; 317 __le16 CompressionAlgorithmCount; 318 __u16 Padding; 319 __le32 Reserved1; 320 __le16 CompressionAlgorithms[]; 321 } __packed; 322 323 #define POSIX_CTXT_DATA_LEN 16 324 struct smb2_posix_neg_context { 325 __le16 ContextType; /* 0x100 */ 326 __le16 DataLength; 327 __le32 Reserved; 328 __u8 Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */ 329 } __packed; 330 331 struct smb2_netname_neg_context { 332 __le16 ContextType; /* 0x100 */ 333 __le16 DataLength; 334 __le32 Reserved; 335 __le16 NetName[]; /* hostname of target converted to UCS-2 */ 336 } __packed; 337 338 /* Signing algorithms */ 339 #define SIGNING_ALG_HMAC_SHA256 cpu_to_le16(0) 340 #define SIGNING_ALG_AES_CMAC cpu_to_le16(1) 341 #define SIGNING_ALG_AES_GMAC cpu_to_le16(2) 342 343 struct smb2_signing_capabilities { 344 __le16 ContextType; /* 8 */ 345 __le16 DataLength; 346 __le32 Reserved; 347 __le16 SigningAlgorithmCount; 348 __le16 SigningAlgorithms[]; 349 } __packed; 350 351 struct smb2_negotiate_rsp { 352 struct smb2_hdr hdr; 353 __le16 StructureSize; /* Must be 65 */ 354 __le16 SecurityMode; 355 __le16 DialectRevision; 356 __le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */ 357 __u8 ServerGUID[16]; 358 __le32 Capabilities; 359 __le32 MaxTransactSize; 360 __le32 MaxReadSize; 361 __le32 MaxWriteSize; 362 __le64 SystemTime; /* MBZ */ 363 __le64 ServerStartTime; 364 __le16 SecurityBufferOffset; 365 __le16 SecurityBufferLength; 366 __le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */ 367 __u8 Buffer[1]; /* variable length GSS security buffer */ 368 } __packed; 369 370 /* Flags */ 371 #define SMB2_SESSION_REQ_FLAG_BINDING 0x01 372 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04 373 374 #define SMB2_SESSION_EXPIRED (0) 375 #define SMB2_SESSION_IN_PROGRESS BIT(0) 376 #define SMB2_SESSION_VALID BIT(1) 377 378 /* Flags */ 379 #define SMB2_SESSION_REQ_FLAG_BINDING 0x01 380 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04 381 382 struct smb2_sess_setup_req { 383 struct smb2_hdr hdr; 384 __le16 StructureSize; /* Must be 25 */ 385 __u8 Flags; 386 __u8 SecurityMode; 387 __le32 Capabilities; 388 __le32 Channel; 389 __le16 SecurityBufferOffset; 390 __le16 SecurityBufferLength; 391 __le64 PreviousSessionId; 392 __u8 Buffer[1]; /* variable length GSS security buffer */ 393 } __packed; 394 395 /* Flags/Reserved for SMB3.1.1 */ 396 #define SMB2_SHAREFLAG_CLUSTER_RECONNECT 0x0001 397 398 /* Currently defined SessionFlags */ 399 #define SMB2_SESSION_FLAG_IS_GUEST_LE cpu_to_le16(0x0001) 400 #define SMB2_SESSION_FLAG_IS_NULL_LE cpu_to_le16(0x0002) 401 #define SMB2_SESSION_FLAG_ENCRYPT_DATA_LE cpu_to_le16(0x0004) 402 struct smb2_sess_setup_rsp { 403 struct smb2_hdr hdr; 404 __le16 StructureSize; /* Must be 9 */ 405 __le16 SessionFlags; 406 __le16 SecurityBufferOffset; 407 __le16 SecurityBufferLength; 408 __u8 Buffer[1]; /* variable length GSS security buffer */ 409 } __packed; 410 411 struct smb2_logoff_req { 412 struct smb2_hdr hdr; 413 __le16 StructureSize; /* Must be 4 */ 414 __le16 Reserved; 415 } __packed; 416 417 struct smb2_logoff_rsp { 418 struct smb2_hdr hdr; 419 __le16 StructureSize; /* Must be 4 */ 420 __le16 Reserved; 421 } __packed; 422 423 struct smb2_tree_connect_req { 424 struct smb2_hdr hdr; 425 __le16 StructureSize; /* Must be 9 */ 426 __le16 Reserved; /* Flags in SMB3.1.1 */ 427 __le16 PathOffset; 428 __le16 PathLength; 429 __u8 Buffer[1]; /* variable length */ 430 } __packed; 431 432 struct smb2_tree_connect_rsp { 433 struct smb2_hdr hdr; 434 __le16 StructureSize; /* Must be 16 */ 435 __u8 ShareType; /* see below */ 436 __u8 Reserved; 437 __le32 ShareFlags; /* see below */ 438 __le32 Capabilities; /* see below */ 439 __le32 MaximalAccess; 440 } __packed; 441 442 /* Possible ShareType values */ 443 #define SMB2_SHARE_TYPE_DISK 0x01 444 #define SMB2_SHARE_TYPE_PIPE 0x02 445 #define SMB2_SHARE_TYPE_PRINT 0x03 446 447 /* 448 * Possible ShareFlags - exactly one and only one of the first 4 caching flags 449 * must be set (any of the remaining, SHI1005, flags may be set individually 450 * or in combination. 451 */ 452 #define SMB2_SHAREFLAG_MANUAL_CACHING 0x00000000 453 #define SMB2_SHAREFLAG_AUTO_CACHING 0x00000010 454 #define SMB2_SHAREFLAG_VDO_CACHING 0x00000020 455 #define SMB2_SHAREFLAG_NO_CACHING 0x00000030 456 #define SHI1005_FLAGS_DFS 0x00000001 457 #define SHI1005_FLAGS_DFS_ROOT 0x00000002 458 #define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS 0x00000100 459 #define SHI1005_FLAGS_FORCE_SHARED_DELETE 0x00000200 460 #define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING 0x00000400 461 #define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM 0x00000800 462 #define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK 0x00001000 463 #define SHI1005_FLAGS_ENABLE_HASH 0x00002000 464 465 /* Possible share capabilities */ 466 #define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) 467 468 struct smb2_tree_disconnect_req { 469 struct smb2_hdr hdr; 470 __le16 StructureSize; /* Must be 4 */ 471 __le16 Reserved; 472 } __packed; 473 474 struct smb2_tree_disconnect_rsp { 475 struct smb2_hdr hdr; 476 __le16 StructureSize; /* Must be 4 */ 477 __le16 Reserved; 478 } __packed; 479 480 #define ATTR_READONLY_LE cpu_to_le32(ATTR_READONLY) 481 #define ATTR_HIDDEN_LE cpu_to_le32(ATTR_HIDDEN) 482 #define ATTR_SYSTEM_LE cpu_to_le32(ATTR_SYSTEM) 483 #define ATTR_DIRECTORY_LE cpu_to_le32(ATTR_DIRECTORY) 484 #define ATTR_ARCHIVE_LE cpu_to_le32(ATTR_ARCHIVE) 485 #define ATTR_NORMAL_LE cpu_to_le32(ATTR_NORMAL) 486 #define ATTR_TEMPORARY_LE cpu_to_le32(ATTR_TEMPORARY) 487 #define ATTR_SPARSE_FILE_LE cpu_to_le32(ATTR_SPARSE) 488 #define ATTR_REPARSE_POINT_LE cpu_to_le32(ATTR_REPARSE) 489 #define ATTR_COMPRESSED_LE cpu_to_le32(ATTR_COMPRESSED) 490 #define ATTR_OFFLINE_LE cpu_to_le32(ATTR_OFFLINE) 491 #define ATTR_NOT_CONTENT_INDEXED_LE cpu_to_le32(ATTR_NOT_CONTENT_INDEXED) 492 #define ATTR_ENCRYPTED_LE cpu_to_le32(ATTR_ENCRYPTED) 493 #define ATTR_INTEGRITY_STREAML_LE cpu_to_le32(0x00008000) 494 #define ATTR_NO_SCRUB_DATA_LE cpu_to_le32(0x00020000) 495 #define ATTR_MASK_LE cpu_to_le32(0x00007FB7) 496 497 /* Oplock levels */ 498 #define SMB2_OPLOCK_LEVEL_NONE 0x00 499 #define SMB2_OPLOCK_LEVEL_II 0x01 500 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08 501 #define SMB2_OPLOCK_LEVEL_BATCH 0x09 502 #define SMB2_OPLOCK_LEVEL_LEASE 0xFF 503 /* Non-spec internal type */ 504 #define SMB2_OPLOCK_LEVEL_NOCHANGE 0x99 505 506 /* Desired Access Flags */ 507 #define FILE_READ_DATA_LE cpu_to_le32(0x00000001) 508 #define FILE_LIST_DIRECTORY_LE cpu_to_le32(0x00000001) 509 #define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002) 510 #define FILE_ADD_FILE_LE cpu_to_le32(0x00000002) 511 #define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004) 512 #define FILE_ADD_SUBDIRECTORY_LE cpu_to_le32(0x00000004) 513 #define FILE_READ_EA_LE cpu_to_le32(0x00000008) 514 #define FILE_WRITE_EA_LE cpu_to_le32(0x00000010) 515 #define FILE_EXECUTE_LE cpu_to_le32(0x00000020) 516 #define FILE_TRAVERSE_LE cpu_to_le32(0x00000020) 517 #define FILE_DELETE_CHILD_LE cpu_to_le32(0x00000040) 518 #define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080) 519 #define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100) 520 #define FILE_DELETE_LE cpu_to_le32(0x00010000) 521 #define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000) 522 #define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000) 523 #define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000) 524 #define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000) 525 #define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000) 526 #define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000) 527 #define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000) 528 #define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000) 529 #define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000) 530 #define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000) 531 #define DESIRED_ACCESS_MASK cpu_to_le32(0xF21F01FF) 532 533 /* ShareAccess Flags */ 534 #define FILE_SHARE_READ_LE cpu_to_le32(0x00000001) 535 #define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002) 536 #define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004) 537 #define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007) 538 539 /* CreateDisposition Flags */ 540 #define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000) 541 #define FILE_OPEN_LE cpu_to_le32(0x00000001) 542 #define FILE_CREATE_LE cpu_to_le32(0x00000002) 543 #define FILE_OPEN_IF_LE cpu_to_le32(0x00000003) 544 #define FILE_OVERWRITE_LE cpu_to_le32(0x00000004) 545 #define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005) 546 #define FILE_CREATE_MASK_LE cpu_to_le32(0x00000007) 547 548 #define FILE_READ_DESIRED_ACCESS_LE (FILE_READ_DATA_LE | \ 549 FILE_READ_EA_LE | \ 550 FILE_GENERIC_READ_LE) 551 #define FILE_WRITE_DESIRE_ACCESS_LE (FILE_WRITE_DATA_LE | \ 552 FILE_APPEND_DATA_LE | \ 553 FILE_WRITE_EA_LE | \ 554 FILE_WRITE_ATTRIBUTES_LE | \ 555 FILE_GENERIC_WRITE_LE) 556 557 /* Impersonation Levels */ 558 #define IL_ANONYMOUS_LE cpu_to_le32(0x00000000) 559 #define IL_IDENTIFICATION_LE cpu_to_le32(0x00000001) 560 #define IL_IMPERSONATION_LE cpu_to_le32(0x00000002) 561 #define IL_DELEGATE_LE cpu_to_le32(0x00000003) 562 563 /* Create Context Values */ 564 #define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */ 565 #define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */ 566 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ" 567 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC" 568 #define SMB2_CREATE_ALLOCATION_SIZE "AlSi" 569 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc" 570 #define SMB2_CREATE_TIMEWARP_REQUEST "TWrp" 571 #define SMB2_CREATE_QUERY_ON_DISK_ID "QFid" 572 #define SMB2_CREATE_REQUEST_LEASE "RqLs" 573 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q" 574 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C" 575 #define SMB2_CREATE_APP_INSTANCE_ID "\x45\xBC\xA6\x6A\xEF\xA7\xF7\x4A\x90\x08\xFA\x46\x2E\x14\x4D\x74" 576 #define SMB2_CREATE_APP_INSTANCE_VERSION "\xB9\x82\xD0\xB7\x3B\x56\x07\x4F\xA0\x7B\x52\x4A\x81\x16\xA0\x10" 577 #define SVHDX_OPEN_DEVICE_CONTEXT 0x83CE6F1AD851E0986E34401CC9BCFCE9 578 #define SMB2_CREATE_TAG_POSIX "\x93\xAD\x25\x50\x9C\xB4\x11\xE7\xB4\x23\x83\xDE\x96\x8B\xCD\x7C" 579 580 struct smb2_create_req { 581 struct smb2_hdr hdr; 582 __le16 StructureSize; /* Must be 57 */ 583 __u8 SecurityFlags; 584 __u8 RequestedOplockLevel; 585 __le32 ImpersonationLevel; 586 __le64 SmbCreateFlags; 587 __le64 Reserved; 588 __le32 DesiredAccess; 589 __le32 FileAttributes; 590 __le32 ShareAccess; 591 __le32 CreateDisposition; 592 __le32 CreateOptions; 593 __le16 NameOffset; 594 __le16 NameLength; 595 __le32 CreateContextsOffset; 596 __le32 CreateContextsLength; 597 __u8 Buffer[0]; 598 } __packed; 599 600 struct smb2_create_rsp { 601 struct smb2_hdr hdr; 602 __le16 StructureSize; /* Must be 89 */ 603 __u8 OplockLevel; 604 __u8 Reserved; 605 __le32 CreateAction; 606 __le64 CreationTime; 607 __le64 LastAccessTime; 608 __le64 LastWriteTime; 609 __le64 ChangeTime; 610 __le64 AllocationSize; 611 __le64 EndofFile; 612 __le32 FileAttributes; 613 __le32 Reserved2; 614 __le64 PersistentFileId; 615 __le64 VolatileFileId; 616 __le32 CreateContextsOffset; 617 __le32 CreateContextsLength; 618 __u8 Buffer[1]; 619 } __packed; 620 621 struct create_context { 622 __le32 Next; 623 __le16 NameOffset; 624 __le16 NameLength; 625 __le16 Reserved; 626 __le16 DataOffset; 627 __le32 DataLength; 628 __u8 Buffer[0]; 629 } __packed; 630 631 struct create_durable_req_v2 { 632 struct create_context ccontext; 633 __u8 Name[8]; 634 __le32 Timeout; 635 __le32 Flags; 636 __u8 Reserved[8]; 637 __u8 CreateGuid[16]; 638 } __packed; 639 640 struct create_durable_reconn_req { 641 struct create_context ccontext; 642 __u8 Name[8]; 643 union { 644 __u8 Reserved[16]; 645 struct { 646 __le64 PersistentFileId; 647 __le64 VolatileFileId; 648 } Fid; 649 } Data; 650 } __packed; 651 652 struct create_durable_reconn_v2_req { 653 struct create_context ccontext; 654 __u8 Name[8]; 655 struct { 656 __le64 PersistentFileId; 657 __le64 VolatileFileId; 658 } Fid; 659 __u8 CreateGuid[16]; 660 __le32 Flags; 661 } __packed; 662 663 struct create_app_inst_id { 664 struct create_context ccontext; 665 __u8 Name[8]; 666 __u8 Reserved[8]; 667 __u8 AppInstanceId[16]; 668 } __packed; 669 670 struct create_app_inst_id_vers { 671 struct create_context ccontext; 672 __u8 Name[8]; 673 __u8 Reserved[2]; 674 __u8 Padding[4]; 675 __le64 AppInstanceVersionHigh; 676 __le64 AppInstanceVersionLow; 677 } __packed; 678 679 struct create_mxac_req { 680 struct create_context ccontext; 681 __u8 Name[8]; 682 __le64 Timestamp; 683 } __packed; 684 685 struct create_alloc_size_req { 686 struct create_context ccontext; 687 __u8 Name[8]; 688 __le64 AllocationSize; 689 } __packed; 690 691 struct create_posix { 692 struct create_context ccontext; 693 __u8 Name[16]; 694 __le32 Mode; 695 __u32 Reserved; 696 } __packed; 697 698 struct create_durable_rsp { 699 struct create_context ccontext; 700 __u8 Name[8]; 701 union { 702 __u8 Reserved[8]; 703 __u64 data; 704 } Data; 705 } __packed; 706 707 struct create_durable_v2_rsp { 708 struct create_context ccontext; 709 __u8 Name[8]; 710 __le32 Timeout; 711 __le32 Flags; 712 } __packed; 713 714 struct create_mxac_rsp { 715 struct create_context ccontext; 716 __u8 Name[8]; 717 __le32 QueryStatus; 718 __le32 MaximalAccess; 719 } __packed; 720 721 struct create_disk_id_rsp { 722 struct create_context ccontext; 723 __u8 Name[8]; 724 __le64 DiskFileId; 725 __le64 VolumeId; 726 __u8 Reserved[16]; 727 } __packed; 728 729 /* equivalent of the contents of SMB3.1.1 POSIX open context response */ 730 struct create_posix_rsp { 731 struct create_context ccontext; 732 __u8 Name[16]; 733 __le32 nlink; 734 __le32 reparse_tag; 735 __le32 mode; 736 u8 SidBuffer[40]; 737 } __packed; 738 739 #define SMB2_LEASE_NONE_LE cpu_to_le32(0x00) 740 #define SMB2_LEASE_READ_CACHING_LE cpu_to_le32(0x01) 741 #define SMB2_LEASE_HANDLE_CACHING_LE cpu_to_le32(0x02) 742 #define SMB2_LEASE_WRITE_CACHING_LE cpu_to_le32(0x04) 743 744 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS_LE cpu_to_le32(0x02) 745 746 struct lease_context { 747 __le64 LeaseKeyLow; 748 __le64 LeaseKeyHigh; 749 __le32 LeaseState; 750 __le32 LeaseFlags; 751 __le64 LeaseDuration; 752 } __packed; 753 754 struct lease_context_v2 { 755 __le64 LeaseKeyLow; 756 __le64 LeaseKeyHigh; 757 __le32 LeaseState; 758 __le32 LeaseFlags; 759 __le64 LeaseDuration; 760 __le64 ParentLeaseKeyLow; 761 __le64 ParentLeaseKeyHigh; 762 __le16 Epoch; 763 __le16 Reserved; 764 } __packed; 765 766 struct create_lease { 767 struct create_context ccontext; 768 __u8 Name[8]; 769 struct lease_context lcontext; 770 } __packed; 771 772 struct create_lease_v2 { 773 struct create_context ccontext; 774 __u8 Name[8]; 775 struct lease_context_v2 lcontext; 776 __u8 Pad[4]; 777 } __packed; 778 779 /* Currently defined values for close flags */ 780 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001) 781 struct smb2_close_req { 782 struct smb2_hdr hdr; 783 __le16 StructureSize; /* Must be 24 */ 784 __le16 Flags; 785 __le32 Reserved; 786 __le64 PersistentFileId; 787 __le64 VolatileFileId; 788 } __packed; 789 790 struct smb2_close_rsp { 791 struct smb2_hdr hdr; 792 __le16 StructureSize; /* 60 */ 793 __le16 Flags; 794 __le32 Reserved; 795 __le64 CreationTime; 796 __le64 LastAccessTime; 797 __le64 LastWriteTime; 798 __le64 ChangeTime; 799 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 800 __le64 EndOfFile; 801 __le32 Attributes; 802 } __packed; 803 804 struct smb2_flush_req { 805 struct smb2_hdr hdr; 806 __le16 StructureSize; /* Must be 24 */ 807 __le16 Reserved1; 808 __le32 Reserved2; 809 __le64 PersistentFileId; 810 __le64 VolatileFileId; 811 } __packed; 812 813 struct smb2_flush_rsp { 814 struct smb2_hdr hdr; 815 __le16 StructureSize; 816 __le16 Reserved; 817 } __packed; 818 819 struct smb2_buffer_desc_v1 { 820 __le64 offset; 821 __le32 token; 822 __le32 length; 823 } __packed; 824 825 #define SMB2_CHANNEL_NONE cpu_to_le32(0x00000000) 826 #define SMB2_CHANNEL_RDMA_V1 cpu_to_le32(0x00000001) 827 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) 828 829 struct smb2_read_req { 830 struct smb2_hdr hdr; 831 __le16 StructureSize; /* Must be 49 */ 832 __u8 Padding; /* offset from start of SMB2 header to place read */ 833 __u8 Reserved; 834 __le32 Length; 835 __le64 Offset; 836 __le64 PersistentFileId; 837 __le64 VolatileFileId; 838 __le32 MinimumCount; 839 __le32 Channel; /* Reserved MBZ */ 840 __le32 RemainingBytes; 841 __le16 ReadChannelInfoOffset; /* Reserved MBZ */ 842 __le16 ReadChannelInfoLength; /* Reserved MBZ */ 843 __u8 Buffer[1]; 844 } __packed; 845 846 struct smb2_read_rsp { 847 struct smb2_hdr hdr; 848 __le16 StructureSize; /* Must be 17 */ 849 __u8 DataOffset; 850 __u8 Reserved; 851 __le32 DataLength; 852 __le32 DataRemaining; 853 __u32 Reserved2; 854 __u8 Buffer[1]; 855 } __packed; 856 857 /* For write request Flags field below the following flag is defined: */ 858 #define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 859 860 struct smb2_write_req { 861 struct smb2_hdr hdr; 862 __le16 StructureSize; /* Must be 49 */ 863 __le16 DataOffset; /* offset from start of SMB2 header to write data */ 864 __le32 Length; 865 __le64 Offset; 866 __le64 PersistentFileId; 867 __le64 VolatileFileId; 868 __le32 Channel; /* Reserved MBZ */ 869 __le32 RemainingBytes; 870 __le16 WriteChannelInfoOffset; /* Reserved MBZ */ 871 __le16 WriteChannelInfoLength; /* Reserved MBZ */ 872 __le32 Flags; 873 __u8 Buffer[1]; 874 } __packed; 875 876 struct smb2_write_rsp { 877 struct smb2_hdr hdr; 878 __le16 StructureSize; /* Must be 17 */ 879 __u8 DataOffset; 880 __u8 Reserved; 881 __le32 DataLength; 882 __le32 DataRemaining; 883 __u32 Reserved2; 884 __u8 Buffer[1]; 885 } __packed; 886 887 #define SMB2_0_IOCTL_IS_FSCTL 0x00000001 888 889 struct duplicate_extents_to_file { 890 __u64 PersistentFileHandle; /* source file handle, opaque endianness */ 891 __u64 VolatileFileHandle; 892 __le64 SourceFileOffset; 893 __le64 TargetFileOffset; 894 __le64 ByteCount; /* Bytes to be copied */ 895 } __packed; 896 897 struct smb2_ioctl_req { 898 struct smb2_hdr hdr; 899 __le16 StructureSize; /* Must be 57 */ 900 __le16 Reserved; /* offset from start of SMB2 header to write data */ 901 __le32 CntCode; 902 __le64 PersistentFileId; 903 __le64 VolatileFileId; 904 __le32 InputOffset; /* Reserved MBZ */ 905 __le32 InputCount; 906 __le32 MaxInputResponse; 907 __le32 OutputOffset; 908 __le32 OutputCount; 909 __le32 MaxOutputResponse; 910 __le32 Flags; 911 __le32 Reserved2; 912 __u8 Buffer[1]; 913 } __packed; 914 915 struct smb2_ioctl_rsp { 916 struct smb2_hdr hdr; 917 __le16 StructureSize; /* Must be 49 */ 918 __le16 Reserved; /* offset from start of SMB2 header to write data */ 919 __le32 CntCode; 920 __le64 PersistentFileId; 921 __le64 VolatileFileId; 922 __le32 InputOffset; /* Reserved MBZ */ 923 __le32 InputCount; 924 __le32 OutputOffset; 925 __le32 OutputCount; 926 __le32 Flags; 927 __le32 Reserved2; 928 __u8 Buffer[1]; 929 } __packed; 930 931 struct validate_negotiate_info_req { 932 __le32 Capabilities; 933 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 934 __le16 SecurityMode; 935 __le16 DialectCount; 936 __le16 Dialects[1]; /* dialect (someday maybe list) client asked for */ 937 } __packed; 938 939 struct validate_negotiate_info_rsp { 940 __le32 Capabilities; 941 __u8 Guid[SMB2_CLIENT_GUID_SIZE]; 942 __le16 SecurityMode; 943 __le16 Dialect; /* Dialect in use for the connection */ 944 } __packed; 945 946 struct smb_sockaddr_in { 947 __be16 Port; 948 __be32 IPv4address; 949 __u8 Reserved[8]; 950 } __packed; 951 952 struct smb_sockaddr_in6 { 953 __be16 Port; 954 __be32 FlowInfo; 955 __u8 IPv6address[16]; 956 __be32 ScopeId; 957 } __packed; 958 959 #define INTERNETWORK 0x0002 960 #define INTERNETWORKV6 0x0017 961 962 struct sockaddr_storage_rsp { 963 __le16 Family; 964 union { 965 struct smb_sockaddr_in addr4; 966 struct smb_sockaddr_in6 addr6; 967 }; 968 } __packed; 969 970 #define RSS_CAPABLE 0x00000001 971 #define RDMA_CAPABLE 0x00000002 972 973 struct network_interface_info_ioctl_rsp { 974 __le32 Next; /* next interface. zero if this is last one */ 975 __le32 IfIndex; 976 __le32 Capability; /* RSS or RDMA Capable */ 977 __le32 Reserved; 978 __le64 LinkSpeed; 979 char SockAddr_Storage[128]; 980 } __packed; 981 982 struct file_object_buf_type1_ioctl_rsp { 983 __u8 ObjectId[16]; 984 __u8 BirthVolumeId[16]; 985 __u8 BirthObjectId[16]; 986 __u8 DomainId[16]; 987 } __packed; 988 989 struct resume_key_ioctl_rsp { 990 __le64 ResumeKey[3]; 991 __le32 ContextLength; 992 __u8 Context[4]; /* ignored, Windows sets to 4 bytes of zero */ 993 } __packed; 994 995 struct copychunk_ioctl_req { 996 __le64 ResumeKey[3]; 997 __le32 ChunkCount; 998 __le32 Reserved; 999 __u8 Chunks[1]; /* array of srv_copychunk */ 1000 } __packed; 1001 1002 struct srv_copychunk { 1003 __le64 SourceOffset; 1004 __le64 TargetOffset; 1005 __le32 Length; 1006 __le32 Reserved; 1007 } __packed; 1008 1009 struct copychunk_ioctl_rsp { 1010 __le32 ChunksWritten; 1011 __le32 ChunkBytesWritten; 1012 __le32 TotalBytesWritten; 1013 } __packed; 1014 1015 struct file_sparse { 1016 __u8 SetSparse; 1017 } __packed; 1018 1019 struct file_zero_data_information { 1020 __le64 FileOffset; 1021 __le64 BeyondFinalZero; 1022 } __packed; 1023 1024 struct file_allocated_range_buffer { 1025 __le64 file_offset; 1026 __le64 length; 1027 } __packed; 1028 1029 struct reparse_data_buffer { 1030 __le32 ReparseTag; 1031 __le16 ReparseDataLength; 1032 __u16 Reserved; 1033 __u8 DataBuffer[]; /* Variable Length */ 1034 } __packed; 1035 1036 /* Completion Filter flags for Notify */ 1037 #define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001 1038 #define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002 1039 #define FILE_NOTIFY_CHANGE_NAME 0x00000003 1040 #define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004 1041 #define FILE_NOTIFY_CHANGE_SIZE 0x00000008 1042 #define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010 1043 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020 1044 #define FILE_NOTIFY_CHANGE_CREATION 0x00000040 1045 #define FILE_NOTIFY_CHANGE_EA 0x00000080 1046 #define FILE_NOTIFY_CHANGE_SECURITY 0x00000100 1047 #define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200 1048 #define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400 1049 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800 1050 1051 /* Flags */ 1052 #define SMB2_WATCH_TREE 0x0001 1053 1054 struct smb2_notify_req { 1055 struct smb2_hdr hdr; 1056 __le16 StructureSize; /* Must be 32 */ 1057 __le16 Flags; 1058 __le32 OutputBufferLength; 1059 __le64 PersistentFileId; 1060 __le64 VolatileFileId; 1061 __u32 CompletionFileter; 1062 __u32 Reserved; 1063 } __packed; 1064 1065 struct smb2_notify_rsp { 1066 struct smb2_hdr hdr; 1067 __le16 StructureSize; /* Must be 9 */ 1068 __le16 OutputBufferOffset; 1069 __le32 OutputBufferLength; 1070 __u8 Buffer[1]; 1071 } __packed; 1072 1073 /* SMB2 Notify Action Flags */ 1074 #define FILE_ACTION_ADDED 0x00000001 1075 #define FILE_ACTION_REMOVED 0x00000002 1076 #define FILE_ACTION_MODIFIED 0x00000003 1077 #define FILE_ACTION_RENAMED_OLD_NAME 0x00000004 1078 #define FILE_ACTION_RENAMED_NEW_NAME 0x00000005 1079 #define FILE_ACTION_ADDED_STREAM 0x00000006 1080 #define FILE_ACTION_REMOVED_STREAM 0x00000007 1081 #define FILE_ACTION_MODIFIED_STREAM 0x00000008 1082 #define FILE_ACTION_REMOVED_BY_DELETE 0x00000009 1083 1084 #define SMB2_LOCKFLAG_SHARED 0x0001 1085 #define SMB2_LOCKFLAG_EXCLUSIVE 0x0002 1086 #define SMB2_LOCKFLAG_UNLOCK 0x0004 1087 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY 0x0010 1088 #define SMB2_LOCKFLAG_MASK 0x0007 1089 1090 struct smb2_lock_element { 1091 __le64 Offset; 1092 __le64 Length; 1093 __le32 Flags; 1094 __le32 Reserved; 1095 } __packed; 1096 1097 struct smb2_lock_req { 1098 struct smb2_hdr hdr; 1099 __le16 StructureSize; /* Must be 48 */ 1100 __le16 LockCount; 1101 __le32 Reserved; 1102 __le64 PersistentFileId; 1103 __le64 VolatileFileId; 1104 /* Followed by at least one */ 1105 struct smb2_lock_element locks[1]; 1106 } __packed; 1107 1108 struct smb2_lock_rsp { 1109 struct smb2_hdr hdr; 1110 __le16 StructureSize; /* Must be 4 */ 1111 __le16 Reserved; 1112 } __packed; 1113 1114 struct smb2_echo_req { 1115 struct smb2_hdr hdr; 1116 __le16 StructureSize; /* Must be 4 */ 1117 __u16 Reserved; 1118 } __packed; 1119 1120 struct smb2_echo_rsp { 1121 struct smb2_hdr hdr; 1122 __le16 StructureSize; /* Must be 4 */ 1123 __u16 Reserved; 1124 } __packed; 1125 1126 /* search (query_directory) Flags field */ 1127 #define SMB2_RESTART_SCANS 0x01 1128 #define SMB2_RETURN_SINGLE_ENTRY 0x02 1129 #define SMB2_INDEX_SPECIFIED 0x04 1130 #define SMB2_REOPEN 0x10 1131 1132 struct smb2_query_directory_req { 1133 struct smb2_hdr hdr; 1134 __le16 StructureSize; /* Must be 33 */ 1135 __u8 FileInformationClass; 1136 __u8 Flags; 1137 __le32 FileIndex; 1138 __le64 PersistentFileId; 1139 __le64 VolatileFileId; 1140 __le16 FileNameOffset; 1141 __le16 FileNameLength; 1142 __le32 OutputBufferLength; 1143 __u8 Buffer[1]; 1144 } __packed; 1145 1146 struct smb2_query_directory_rsp { 1147 struct smb2_hdr hdr; 1148 __le16 StructureSize; /* Must be 9 */ 1149 __le16 OutputBufferOffset; 1150 __le32 OutputBufferLength; 1151 __u8 Buffer[1]; 1152 } __packed; 1153 1154 /* Possible InfoType values */ 1155 #define SMB2_O_INFO_FILE 0x01 1156 #define SMB2_O_INFO_FILESYSTEM 0x02 1157 #define SMB2_O_INFO_SECURITY 0x03 1158 #define SMB2_O_INFO_QUOTA 0x04 1159 1160 /* Security info type additionalinfo flags. See MS-SMB2 (2.2.37) or MS-DTYP */ 1161 #define OWNER_SECINFO 0x00000001 1162 #define GROUP_SECINFO 0x00000002 1163 #define DACL_SECINFO 0x00000004 1164 #define SACL_SECINFO 0x00000008 1165 #define LABEL_SECINFO 0x00000010 1166 #define ATTRIBUTE_SECINFO 0x00000020 1167 #define SCOPE_SECINFO 0x00000040 1168 #define BACKUP_SECINFO 0x00010000 1169 #define UNPROTECTED_SACL_SECINFO 0x10000000 1170 #define UNPROTECTED_DACL_SECINFO 0x20000000 1171 #define PROTECTED_SACL_SECINFO 0x40000000 1172 #define PROTECTED_DACL_SECINFO 0x80000000 1173 1174 struct smb2_query_info_req { 1175 struct smb2_hdr hdr; 1176 __le16 StructureSize; /* Must be 41 */ 1177 __u8 InfoType; 1178 __u8 FileInfoClass; 1179 __le32 OutputBufferLength; 1180 __le16 InputBufferOffset; 1181 __u16 Reserved; 1182 __le32 InputBufferLength; 1183 __le32 AdditionalInformation; 1184 __le32 Flags; 1185 __le64 PersistentFileId; 1186 __le64 VolatileFileId; 1187 __u8 Buffer[1]; 1188 } __packed; 1189 1190 struct smb2_query_info_rsp { 1191 struct smb2_hdr hdr; 1192 __le16 StructureSize; /* Must be 9 */ 1193 __le16 OutputBufferOffset; 1194 __le32 OutputBufferLength; 1195 __u8 Buffer[1]; 1196 } __packed; 1197 1198 struct smb2_set_info_req { 1199 struct smb2_hdr hdr; 1200 __le16 StructureSize; /* Must be 33 */ 1201 __u8 InfoType; 1202 __u8 FileInfoClass; 1203 __le32 BufferLength; 1204 __le16 BufferOffset; 1205 __u16 Reserved; 1206 __le32 AdditionalInformation; 1207 __le64 PersistentFileId; 1208 __le64 VolatileFileId; 1209 __u8 Buffer[1]; 1210 } __packed; 1211 1212 struct smb2_set_info_rsp { 1213 struct smb2_hdr hdr; 1214 __le16 StructureSize; /* Must be 2 */ 1215 } __packed; 1216 1217 /* FILE Info response size */ 1218 #define FILE_DIRECTORY_INFORMATION_SIZE 1 1219 #define FILE_FULL_DIRECTORY_INFORMATION_SIZE 2 1220 #define FILE_BOTH_DIRECTORY_INFORMATION_SIZE 3 1221 #define FILE_BASIC_INFORMATION_SIZE 40 1222 #define FILE_STANDARD_INFORMATION_SIZE 24 1223 #define FILE_INTERNAL_INFORMATION_SIZE 8 1224 #define FILE_EA_INFORMATION_SIZE 4 1225 #define FILE_ACCESS_INFORMATION_SIZE 4 1226 #define FILE_NAME_INFORMATION_SIZE 9 1227 #define FILE_RENAME_INFORMATION_SIZE 10 1228 #define FILE_LINK_INFORMATION_SIZE 11 1229 #define FILE_NAMES_INFORMATION_SIZE 12 1230 #define FILE_DISPOSITION_INFORMATION_SIZE 13 1231 #define FILE_POSITION_INFORMATION_SIZE 14 1232 #define FILE_FULL_EA_INFORMATION_SIZE 15 1233 #define FILE_MODE_INFORMATION_SIZE 4 1234 #define FILE_ALIGNMENT_INFORMATION_SIZE 4 1235 #define FILE_ALL_INFORMATION_SIZE 104 1236 #define FILE_ALLOCATION_INFORMATION_SIZE 19 1237 #define FILE_END_OF_FILE_INFORMATION_SIZE 20 1238 #define FILE_ALTERNATE_NAME_INFORMATION_SIZE 8 1239 #define FILE_STREAM_INFORMATION_SIZE 32 1240 #define FILE_PIPE_INFORMATION_SIZE 23 1241 #define FILE_PIPE_LOCAL_INFORMATION_SIZE 24 1242 #define FILE_PIPE_REMOTE_INFORMATION_SIZE 25 1243 #define FILE_MAILSLOT_QUERY_INFORMATION_SIZE 26 1244 #define FILE_MAILSLOT_SET_INFORMATION_SIZE 27 1245 #define FILE_COMPRESSION_INFORMATION_SIZE 16 1246 #define FILE_OBJECT_ID_INFORMATION_SIZE 29 1247 /* Number 30 not defined in documents */ 1248 #define FILE_MOVE_CLUSTER_INFORMATION_SIZE 31 1249 #define FILE_QUOTA_INFORMATION_SIZE 32 1250 #define FILE_REPARSE_POINT_INFORMATION_SIZE 33 1251 #define FILE_NETWORK_OPEN_INFORMATION_SIZE 56 1252 #define FILE_ATTRIBUTE_TAG_INFORMATION_SIZE 8 1253 1254 /* FS Info response size */ 1255 #define FS_DEVICE_INFORMATION_SIZE 8 1256 #define FS_ATTRIBUTE_INFORMATION_SIZE 16 1257 #define FS_VOLUME_INFORMATION_SIZE 24 1258 #define FS_SIZE_INFORMATION_SIZE 24 1259 #define FS_FULL_SIZE_INFORMATION_SIZE 32 1260 #define FS_SECTOR_SIZE_INFORMATION_SIZE 28 1261 #define FS_OBJECT_ID_INFORMATION_SIZE 64 1262 #define FS_CONTROL_INFORMATION_SIZE 48 1263 #define FS_POSIX_INFORMATION_SIZE 56 1264 1265 /* FS_ATTRIBUTE_File_System_Name */ 1266 #define FS_TYPE_SUPPORT_SIZE 44 1267 struct fs_type_info { 1268 char *fs_name; 1269 long magic_number; 1270 } __packed; 1271 1272 struct smb2_oplock_break { 1273 struct smb2_hdr hdr; 1274 __le16 StructureSize; /* Must be 24 */ 1275 __u8 OplockLevel; 1276 __u8 Reserved; 1277 __le32 Reserved2; 1278 __le64 PersistentFid; 1279 __le64 VolatileFid; 1280 } __packed; 1281 1282 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01) 1283 1284 struct smb2_lease_break { 1285 struct smb2_hdr hdr; 1286 __le16 StructureSize; /* Must be 44 */ 1287 __le16 Epoch; 1288 __le32 Flags; 1289 __u8 LeaseKey[16]; 1290 __le32 CurrentLeaseState; 1291 __le32 NewLeaseState; 1292 __le32 BreakReason; 1293 __le32 AccessMaskHint; 1294 __le32 ShareMaskHint; 1295 } __packed; 1296 1297 struct smb2_lease_ack { 1298 struct smb2_hdr hdr; 1299 __le16 StructureSize; /* Must be 36 */ 1300 __le16 Reserved; 1301 __le32 Flags; 1302 __u8 LeaseKey[16]; 1303 __le32 LeaseState; 1304 __le64 LeaseDuration; 1305 } __packed; 1306 1307 /* 1308 * PDU infolevel structure definitions 1309 * BB consider moving to a different header 1310 */ 1311 1312 /* File System Information Classes */ 1313 #define FS_VOLUME_INFORMATION 1 /* Query */ 1314 #define FS_LABEL_INFORMATION 2 /* Set */ 1315 #define FS_SIZE_INFORMATION 3 /* Query */ 1316 #define FS_DEVICE_INFORMATION 4 /* Query */ 1317 #define FS_ATTRIBUTE_INFORMATION 5 /* Query */ 1318 #define FS_CONTROL_INFORMATION 6 /* Query, Set */ 1319 #define FS_FULL_SIZE_INFORMATION 7 /* Query */ 1320 #define FS_OBJECT_ID_INFORMATION 8 /* Query, Set */ 1321 #define FS_DRIVER_PATH_INFORMATION 9 /* Query */ 1322 #define FS_SECTOR_SIZE_INFORMATION 11 /* SMB3 or later. Query */ 1323 #define FS_POSIX_INFORMATION 100 /* SMB3.1.1 POSIX. Query */ 1324 1325 struct smb2_fs_full_size_info { 1326 __le64 TotalAllocationUnits; 1327 __le64 CallerAvailableAllocationUnits; 1328 __le64 ActualAvailableAllocationUnits; 1329 __le32 SectorsPerAllocationUnit; 1330 __le32 BytesPerSector; 1331 } __packed; 1332 1333 #define SSINFO_FLAGS_ALIGNED_DEVICE 0x00000001 1334 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002 1335 #define SSINFO_FLAGS_NO_SEEK_PENALTY 0x00000004 1336 #define SSINFO_FLAGS_TRIM_ENABLED 0x00000008 1337 1338 /* sector size info struct */ 1339 struct smb3_fs_ss_info { 1340 __le32 LogicalBytesPerSector; 1341 __le32 PhysicalBytesPerSectorForAtomicity; 1342 __le32 PhysicalBytesPerSectorForPerf; 1343 __le32 FSEffPhysicalBytesPerSectorForAtomicity; 1344 __le32 Flags; 1345 __le32 ByteOffsetForSectorAlignment; 1346 __le32 ByteOffsetForPartitionAlignment; 1347 } __packed; 1348 1349 /* File System Control Information */ 1350 struct smb2_fs_control_info { 1351 __le64 FreeSpaceStartFiltering; 1352 __le64 FreeSpaceThreshold; 1353 __le64 FreeSpaceStopFiltering; 1354 __le64 DefaultQuotaThreshold; 1355 __le64 DefaultQuotaLimit; 1356 __le32 FileSystemControlFlags; 1357 __le32 Padding; 1358 } __packed; 1359 1360 /* partial list of QUERY INFO levels */ 1361 #define FILE_DIRECTORY_INFORMATION 1 1362 #define FILE_FULL_DIRECTORY_INFORMATION 2 1363 #define FILE_BOTH_DIRECTORY_INFORMATION 3 1364 #define FILE_BASIC_INFORMATION 4 1365 #define FILE_STANDARD_INFORMATION 5 1366 #define FILE_INTERNAL_INFORMATION 6 1367 #define FILE_EA_INFORMATION 7 1368 #define FILE_ACCESS_INFORMATION 8 1369 #define FILE_NAME_INFORMATION 9 1370 #define FILE_RENAME_INFORMATION 10 1371 #define FILE_LINK_INFORMATION 11 1372 #define FILE_NAMES_INFORMATION 12 1373 #define FILE_DISPOSITION_INFORMATION 13 1374 #define FILE_POSITION_INFORMATION 14 1375 #define FILE_FULL_EA_INFORMATION 15 1376 #define FILE_MODE_INFORMATION 16 1377 #define FILE_ALIGNMENT_INFORMATION 17 1378 #define FILE_ALL_INFORMATION 18 1379 #define FILE_ALLOCATION_INFORMATION 19 1380 #define FILE_END_OF_FILE_INFORMATION 20 1381 #define FILE_ALTERNATE_NAME_INFORMATION 21 1382 #define FILE_STREAM_INFORMATION 22 1383 #define FILE_PIPE_INFORMATION 23 1384 #define FILE_PIPE_LOCAL_INFORMATION 24 1385 #define FILE_PIPE_REMOTE_INFORMATION 25 1386 #define FILE_MAILSLOT_QUERY_INFORMATION 26 1387 #define FILE_MAILSLOT_SET_INFORMATION 27 1388 #define FILE_COMPRESSION_INFORMATION 28 1389 #define FILE_OBJECT_ID_INFORMATION 29 1390 /* Number 30 not defined in documents */ 1391 #define FILE_MOVE_CLUSTER_INFORMATION 31 1392 #define FILE_QUOTA_INFORMATION 32 1393 #define FILE_REPARSE_POINT_INFORMATION 33 1394 #define FILE_NETWORK_OPEN_INFORMATION 34 1395 #define FILE_ATTRIBUTE_TAG_INFORMATION 35 1396 #define FILE_TRACKING_INFORMATION 36 1397 #define FILEID_BOTH_DIRECTORY_INFORMATION 37 1398 #define FILEID_FULL_DIRECTORY_INFORMATION 38 1399 #define FILE_VALID_DATA_LENGTH_INFORMATION 39 1400 #define FILE_SHORT_NAME_INFORMATION 40 1401 #define FILE_SFIO_RESERVE_INFORMATION 44 1402 #define FILE_SFIO_VOLUME_INFORMATION 45 1403 #define FILE_HARD_LINK_INFORMATION 46 1404 #define FILE_NORMALIZED_NAME_INFORMATION 48 1405 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50 1406 #define FILE_STANDARD_LINK_INFORMATION 54 1407 1408 #define OP_BREAK_STRUCT_SIZE_20 24 1409 #define OP_BREAK_STRUCT_SIZE_21 36 1410 1411 struct smb2_file_access_info { 1412 __le32 AccessFlags; 1413 } __packed; 1414 1415 struct smb2_file_alignment_info { 1416 __le32 AlignmentRequirement; 1417 } __packed; 1418 1419 struct smb2_file_internal_info { 1420 __le64 IndexNumber; 1421 } __packed; /* level 6 Query */ 1422 1423 struct smb2_file_rename_info { /* encoding of request for level 10 */ 1424 __u8 ReplaceIfExists; /* 1 = replace existing target with new */ 1425 /* 0 = fail if target already exists */ 1426 __u8 Reserved[7]; 1427 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1428 __le32 FileNameLength; 1429 char FileName[0]; /* New name to be assigned */ 1430 } __packed; /* level 10 Set */ 1431 1432 struct smb2_file_link_info { /* encoding of request for level 11 */ 1433 __u8 ReplaceIfExists; /* 1 = replace existing link with new */ 1434 /* 0 = fail if link already exists */ 1435 __u8 Reserved[7]; 1436 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ 1437 __le32 FileNameLength; 1438 char FileName[0]; /* Name to be assigned to new link */ 1439 } __packed; /* level 11 Set */ 1440 1441 /* 1442 * This level 18, although with struct with same name is different from cifs 1443 * level 0x107. Level 0x107 has an extra u64 between AccessFlags and 1444 * CurrentByteOffset. 1445 */ 1446 struct smb2_file_all_info { /* data block encoding of response to level 18 */ 1447 __le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */ 1448 __le64 LastAccessTime; 1449 __le64 LastWriteTime; 1450 __le64 ChangeTime; 1451 __le32 Attributes; 1452 __u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */ 1453 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 1454 __le64 EndOfFile; /* size ie offset to first free byte in file */ 1455 __le32 NumberOfLinks; /* hard links */ 1456 __u8 DeletePending; 1457 __u8 Directory; 1458 __u16 Pad2; /* End of FILE_STANDARD_INFO equivalent */ 1459 __le64 IndexNumber; 1460 __le32 EASize; 1461 __le32 AccessFlags; 1462 __le64 CurrentByteOffset; 1463 __le32 Mode; 1464 __le32 AlignmentRequirement; 1465 __le32 FileNameLength; 1466 char FileName[1]; 1467 } __packed; /* level 18 Query */ 1468 1469 struct smb2_file_basic_info { /* data block encoding of response to level 18 */ 1470 __le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */ 1471 __le64 LastAccessTime; 1472 __le64 LastWriteTime; 1473 __le64 ChangeTime; 1474 __le32 Attributes; 1475 __u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */ 1476 } __packed; 1477 1478 struct smb2_file_alt_name_info { 1479 __le32 FileNameLength; 1480 char FileName[0]; 1481 } __packed; 1482 1483 struct smb2_file_stream_info { 1484 __le32 NextEntryOffset; 1485 __le32 StreamNameLength; 1486 __le64 StreamSize; 1487 __le64 StreamAllocationSize; 1488 char StreamName[0]; 1489 } __packed; 1490 1491 struct smb2_file_eof_info { /* encoding of request for level 10 */ 1492 __le64 EndOfFile; /* new end of file value */ 1493 } __packed; /* level 20 Set */ 1494 1495 struct smb2_file_ntwrk_info { 1496 __le64 CreationTime; 1497 __le64 LastAccessTime; 1498 __le64 LastWriteTime; 1499 __le64 ChangeTime; 1500 __le64 AllocationSize; 1501 __le64 EndOfFile; 1502 __le32 Attributes; 1503 __le32 Reserved; 1504 } __packed; 1505 1506 struct smb2_file_standard_info { 1507 __le64 AllocationSize; 1508 __le64 EndOfFile; 1509 __le32 NumberOfLinks; /* hard links */ 1510 __u8 DeletePending; 1511 __u8 Directory; 1512 __le16 Reserved; 1513 } __packed; /* level 18 Query */ 1514 1515 struct smb2_file_ea_info { 1516 __le32 EASize; 1517 } __packed; 1518 1519 struct smb2_file_alloc_info { 1520 __le64 AllocationSize; 1521 } __packed; 1522 1523 struct smb2_file_disposition_info { 1524 __u8 DeletePending; 1525 } __packed; 1526 1527 struct smb2_file_pos_info { 1528 __le64 CurrentByteOffset; 1529 } __packed; 1530 1531 #define FILE_MODE_INFO_MASK cpu_to_le32(0x0000103e) 1532 1533 struct smb2_file_mode_info { 1534 __le32 Mode; 1535 } __packed; 1536 1537 #define COMPRESSION_FORMAT_NONE 0x0000 1538 #define COMPRESSION_FORMAT_LZNT1 0x0002 1539 1540 struct smb2_file_comp_info { 1541 __le64 CompressedFileSize; 1542 __le16 CompressionFormat; 1543 __u8 CompressionUnitShift; 1544 __u8 ChunkShift; 1545 __u8 ClusterShift; 1546 __u8 Reserved[3]; 1547 } __packed; 1548 1549 struct smb2_file_attr_tag_info { 1550 __le32 FileAttributes; 1551 __le32 ReparseTag; 1552 } __packed; 1553 1554 #define SL_RESTART_SCAN 0x00000001 1555 #define SL_RETURN_SINGLE_ENTRY 0x00000002 1556 #define SL_INDEX_SPECIFIED 0x00000004 1557 1558 struct smb2_ea_info_req { 1559 __le32 NextEntryOffset; 1560 __u8 EaNameLength; 1561 char name[1]; 1562 } __packed; /* level 15 Query */ 1563 1564 struct smb2_ea_info { 1565 __le32 NextEntryOffset; 1566 __u8 Flags; 1567 __u8 EaNameLength; 1568 __le16 EaValueLength; 1569 char name[1]; 1570 /* optionally followed by value */ 1571 } __packed; /* level 15 Query */ 1572 1573 struct create_ea_buf_req { 1574 struct create_context ccontext; 1575 __u8 Name[8]; 1576 struct smb2_ea_info ea; 1577 } __packed; 1578 1579 struct create_sd_buf_req { 1580 struct create_context ccontext; 1581 __u8 Name[8]; 1582 struct smb_ntsd ntsd; 1583 } __packed; 1584 1585 /* Find File infolevels */ 1586 #define SMB_FIND_FILE_POSIX_INFO 0x064 1587 1588 /* Level 100 query info */ 1589 struct smb311_posix_qinfo { 1590 __le64 CreationTime; 1591 __le64 LastAccessTime; 1592 __le64 LastWriteTime; 1593 __le64 ChangeTime; 1594 __le64 EndOfFile; 1595 __le64 AllocationSize; 1596 __le32 DosAttributes; 1597 __le64 Inode; 1598 __le32 DeviceId; 1599 __le32 Zero; 1600 /* beginning of POSIX Create Context Response */ 1601 __le32 HardLinks; 1602 __le32 ReparseTag; 1603 __le32 Mode; 1604 u8 Sids[]; 1605 /* 1606 * var sized owner SID 1607 * var sized group SID 1608 * le32 filenamelength 1609 * u8 filename[] 1610 */ 1611 } __packed; 1612 1613 struct smb2_posix_info { 1614 __le32 NextEntryOffset; 1615 __u32 Ignored; 1616 __le64 CreationTime; 1617 __le64 LastAccessTime; 1618 __le64 LastWriteTime; 1619 __le64 ChangeTime; 1620 __le64 EndOfFile; 1621 __le64 AllocationSize; 1622 __le32 DosAttributes; 1623 __le64 Inode; 1624 __le32 DeviceId; 1625 __le32 Zero; 1626 /* beginning of POSIX Create Context Response */ 1627 __le32 HardLinks; 1628 __le32 ReparseTag; 1629 __le32 Mode; 1630 u8 SidBuffer[40]; 1631 __le32 name_len; 1632 u8 name[1]; 1633 /* 1634 * var sized owner SID 1635 * var sized group SID 1636 * le32 filenamelength 1637 * u8 filename[] 1638 */ 1639 } __packed; 1640 1641 /* functions */ 1642 void init_smb2_1_server(struct ksmbd_conn *conn); 1643 void init_smb3_0_server(struct ksmbd_conn *conn); 1644 void init_smb3_02_server(struct ksmbd_conn *conn); 1645 int init_smb3_11_server(struct ksmbd_conn *conn); 1646 1647 void init_smb2_max_read_size(unsigned int sz); 1648 void init_smb2_max_write_size(unsigned int sz); 1649 void init_smb2_max_trans_size(unsigned int sz); 1650 1651 bool is_smb2_neg_cmd(struct ksmbd_work *work); 1652 bool is_smb2_rsp(struct ksmbd_work *work); 1653 1654 u16 get_smb2_cmd_val(struct ksmbd_work *work); 1655 void set_smb2_rsp_status(struct ksmbd_work *work, __le32 err); 1656 int init_smb2_rsp_hdr(struct ksmbd_work *work); 1657 int smb2_allocate_rsp_buf(struct ksmbd_work *work); 1658 bool is_chained_smb2_message(struct ksmbd_work *work); 1659 int init_smb2_neg_rsp(struct ksmbd_work *work); 1660 void smb2_set_err_rsp(struct ksmbd_work *work); 1661 int smb2_check_user_session(struct ksmbd_work *work); 1662 int smb2_get_ksmbd_tcon(struct ksmbd_work *work); 1663 bool smb2_is_sign_req(struct ksmbd_work *work, unsigned int command); 1664 int smb2_check_sign_req(struct ksmbd_work *work); 1665 void smb2_set_sign_rsp(struct ksmbd_work *work); 1666 int smb3_check_sign_req(struct ksmbd_work *work); 1667 void smb3_set_sign_rsp(struct ksmbd_work *work); 1668 int find_matching_smb2_dialect(int start_index, __le16 *cli_dialects, 1669 __le16 dialects_count); 1670 struct file_lock *smb_flock_init(struct file *f); 1671 int setup_async_work(struct ksmbd_work *work, void (*fn)(void **), 1672 void **arg); 1673 void smb2_send_interim_resp(struct ksmbd_work *work, __le32 status); 1674 struct channel *lookup_chann_list(struct ksmbd_session *sess, 1675 struct ksmbd_conn *conn); 1676 void smb3_preauth_hash_rsp(struct ksmbd_work *work); 1677 bool smb3_is_transform_hdr(void *buf); 1678 int smb3_decrypt_req(struct ksmbd_work *work); 1679 int smb3_encrypt_resp(struct ksmbd_work *work); 1680 bool smb3_11_final_sess_setup_resp(struct ksmbd_work *work); 1681 int smb2_set_rsp_credits(struct ksmbd_work *work); 1682 1683 /* smb2 misc functions */ 1684 int ksmbd_smb2_check_message(struct ksmbd_work *work); 1685 1686 /* smb2 command handlers */ 1687 int smb2_handle_negotiate(struct ksmbd_work *work); 1688 int smb2_negotiate_request(struct ksmbd_work *work); 1689 int smb2_sess_setup(struct ksmbd_work *work); 1690 int smb2_tree_connect(struct ksmbd_work *work); 1691 int smb2_tree_disconnect(struct ksmbd_work *work); 1692 int smb2_session_logoff(struct ksmbd_work *work); 1693 int smb2_open(struct ksmbd_work *work); 1694 int smb2_query_info(struct ksmbd_work *work); 1695 int smb2_query_dir(struct ksmbd_work *work); 1696 int smb2_close(struct ksmbd_work *work); 1697 int smb2_echo(struct ksmbd_work *work); 1698 int smb2_set_info(struct ksmbd_work *work); 1699 int smb2_read(struct ksmbd_work *work); 1700 int smb2_write(struct ksmbd_work *work); 1701 int smb2_flush(struct ksmbd_work *work); 1702 int smb2_cancel(struct ksmbd_work *work); 1703 int smb2_lock(struct ksmbd_work *work); 1704 int smb2_ioctl(struct ksmbd_work *work); 1705 int smb2_oplock_break(struct ksmbd_work *work); 1706 int smb2_notify(struct ksmbd_work *ksmbd_work); 1707 1708 #endif /* _SMB2PDU_H */ 1709
