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 132struct 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 158struct 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 166struct 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 203struct 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 212struct 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 249struct 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 276struct smb2_neg_context { 277 __le16 ContextType; 278 __le16 DataLength; 279 __le32 Reserved; 280 /* Followed by array of data */ 281} __packed; 282 283struct 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 299struct 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 313struct 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 324struct 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 331struct 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 343struct smb2_signing_capabilities { 344 __le16 ContextType; /* 8 */ 345 __le16 DataLength; 346 __le32 Reserved; 347 __le16 SigningAlgorithmCount; 348 __le16 SigningAlgorithms[]; 349} __packed; 350 351struct 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 382struct 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) 402struct 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 411struct smb2_logoff_req { 412 struct smb2_hdr hdr; 413 __le16 StructureSize; /* Must be 4 */ 414 __le16 Reserved; 415} __packed; 416 417struct smb2_logoff_rsp { 418 struct smb2_hdr hdr; 419 __le16 StructureSize; /* Must be 4 */ 420 __le16 Reserved; 421} __packed; 422 423struct 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 432struct 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 468struct smb2_tree_disconnect_req { 469 struct smb2_hdr hdr; 470 __le16 StructureSize; /* Must be 4 */ 471 __le16 Reserved; 472} __packed; 473 474struct 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 580struct 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 600struct 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 621struct 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 631struct 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 640struct 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 652struct 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 663struct create_app_inst_id { 664 struct create_context ccontext; 665 __u8 Name[8]; 666 __u8 Reserved[8]; 667 __u8 AppInstanceId[16]; 668} __packed; 669 670struct 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 679struct create_mxac_req { 680 struct create_context ccontext; 681 __u8 Name[8]; 682 __le64 Timestamp; 683} __packed; 684 685struct create_alloc_size_req { 686 struct create_context ccontext; 687 __u8 Name[8]; 688 __le64 AllocationSize; 689} __packed; 690 691struct create_posix { 692 struct create_context ccontext; 693 __u8 Name[16]; 694 __le32 Mode; 695 __u32 Reserved; 696} __packed; 697 698struct 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 707struct create_durable_v2_rsp { 708 struct create_context ccontext; 709 __u8 Name[8]; 710 __le32 Timeout; 711 __le32 Flags; 712} __packed; 713 714struct create_mxac_rsp { 715 struct create_context ccontext; 716 __u8 Name[8]; 717 __le32 QueryStatus; 718 __le32 MaximalAccess; 719} __packed; 720 721struct 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 */ 730struct 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 746struct lease_context { 747 __le64 LeaseKeyLow; 748 __le64 LeaseKeyHigh; 749 __le32 LeaseState; 750 __le32 LeaseFlags; 751 __le64 LeaseDuration; 752} __packed; 753 754struct 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 766struct create_lease { 767 struct create_context ccontext; 768 __u8 Name[8]; 769 struct lease_context lcontext; 770} __packed; 771 772struct 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) 781struct 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 790struct 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 804struct 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 813struct smb2_flush_rsp { 814 struct smb2_hdr hdr; 815 __le16 StructureSize; 816 __le16 Reserved; 817} __packed; 818 819struct 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 829struct 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 846struct 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 860struct 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 876struct 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 889struct 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 897struct 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 915struct 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 931struct 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 939struct 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 946struct smb_sockaddr_in { 947 __be16 Port; 948 __be32 IPv4address; 949 __u8 Reserved[8]; 950} __packed; 951 952struct 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 962struct 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 973struct 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 982struct 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 989struct 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 995struct copychunk_ioctl_req { 996 __le64 ResumeKey[3]; 997 __le32 ChunkCount; 998 __le32 Reserved; 999 __u8 Chunks[1]; /* array of srv_copychunk */ 1000} __packed;
1001 1002struct srv_copychunk { 1003 __le64 SourceOffset; 1004 __le64 TargetOffset; 1005 __le32 Length; 1006 __le32 Reserved; 1007} __packed; 1008 1009struct copychunk_ioctl_rsp { 1010 __le32 ChunksWritten; 1011 __le32 ChunkBytesWritten; 1012 __le32 TotalBytesWritten; 1013} __packed; 1014 1015struct file_sparse { 1016 __u8 SetSparse; 1017} __packed; 1018 1019struct file_zero_data_information { 1020 __le64 FileOffset; 1021 __le64 BeyondFinalZero; 1022} __packed; 1023 1024struct file_allocated_range_buffer { 1025 __le64 file_offset; 1026 __le64 length; 1027} __packed; 1028 1029struct 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 1054struct 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 1065struct 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 1090struct smb2_lock_element { 1091 __le64 Offset; 1092 __le64 Length; 1093 __le32 Flags; 1094 __le32 Reserved; 1095} __packed; 1096 1097struct 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 1108struct smb2_lock_rsp { 1109 struct smb2_hdr hdr; 1110 __le16 StructureSize; /* Must be 4 */ 1111 __le16 Reserved; 1112} __packed; 1113 1114struct smb2_echo_req { 1115 struct smb2_hdr hdr; 1116 __le16 StructureSize; /* Must be 4 */ 1117 __u16 Reserved; 1118} __packed; 1119 1120struct 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 1132struct 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 1146struct 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 1174struct 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 1190struct 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 1198struct 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 1212struct 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 1267struct fs_type_info { 1268 char *fs_name; 1269 long magic_number; 1270} __packed; 1271 1272struct 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 1284struct 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 1297struct 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 1325struct 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 */ 1339struct 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 */ 1350struct 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 1411struct smb2_file_access_info { 1412 __le32 AccessFlags; 1413} __packed; 1414 1415struct smb2_file_alignment_info { 1416 __le32 AlignmentRequirement; 1417} __packed; 1418 1419struct smb2_file_internal_info { 1420 __le64 IndexNumber; 1421} __packed; /* level 6 Query */ 1422 1423struct 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 1432struct 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 */ 1446struct 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 1469struct 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 1478struct smb2_file_alt_name_info { 1479 __le32 FileNameLength; 1480 char FileName[0]; 1481} __packed; 1482 1483struct smb2_file_stream_info { 1484 __le32 NextEntryOffset; 1485 __le32 StreamNameLength; 1486 __le64 StreamSize; 1487 __le64 StreamAllocationSize; 1488 char StreamName[0]; 1489} __packed; 1490 1491struct smb2_file_eof_info { /* encoding of request for level 10 */ 1492 __le64 EndOfFile; /* new end of file value */ 1493} __packed; /* level 20 Set */ 1494 1495struct 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 1506struct 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 1515struct smb2_file_ea_info { 1516 __le32 EASize; 1517} __packed; 1518 1519struct smb2_file_alloc_info { 1520 __le64 AllocationSize; 1521} __packed; 1522 1523struct smb2_file_disposition_info { 1524 __u8 DeletePending; 1525} __packed; 1526 1527struct smb2_file_pos_info { 1528 __le64 CurrentByteOffset; 1529} __packed; 1530 1531#define FILE_MODE_INFO_MASK cpu_to_le32(0x0000103e) 1532 1533struct smb2_file_mode_info { 1534 __le32 Mode; 1535} __packed; 1536 1537#define COMPRESSION_FORMAT_NONE 0x0000 1538#define COMPRESSION_FORMAT_LZNT1 0x0002 1539 1540struct 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 1549struct 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 1558struct smb2_ea_info_req { 1559 __le32 NextEntryOffset; 1560 __u8 EaNameLength; 1561 char name[1]; 1562} __packed; /* level 15 Query */ 1563 1564struct 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 1573struct create_ea_buf_req { 1574 struct create_context ccontext; 1575 __u8 Name[8]; 1576 struct smb2_ea_info ea; 1577} __packed; 1578 1579struct 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 */ 1589struct 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 1613struct 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 */ 1642void init_smb2_1_server(struct ksmbd_conn *conn); 1643void init_smb3_0_server(struct ksmbd_conn *conn); 1644void init_smb3_02_server(struct ksmbd_conn *conn); 1645int init_smb3_11_server(struct ksmbd_conn *conn); 1646 1647void init_smb2_max_read_size(unsigned int sz); 1648void init_smb2_max_write_size(unsigned int sz); 1649void init_smb2_max_trans_size(unsigned int sz); 1650 1651bool is_smb2_neg_cmd(struct ksmbd_work *work); 1652bool is_smb2_rsp(struct ksmbd_work *work); 1653 1654u16 get_smb2_cmd_val(struct ksmbd_work *work); 1655void set_smb2_rsp_status(struct ksmbd_work *work, __le32 err); 1656int init_smb2_rsp_hdr(struct ksmbd_work *work); 1657int smb2_allocate_rsp_buf(struct ksmbd_work *work); 1658bool is_chained_smb2_message(struct ksmbd_work *work); 1659int init_smb2_neg_rsp(struct ksmbd_work *work); 1660void smb2_set_err_rsp(struct ksmbd_work *work); 1661int smb2_check_user_session(struct ksmbd_work *work); 1662int smb2_get_ksmbd_tcon(struct ksmbd_work *work); 1663bool smb2_is_sign_req(struct ksmbd_work *work, unsigned int command); 1664int smb2_check_sign_req(struct ksmbd_work *work); 1665void smb2_set_sign_rsp(struct ksmbd_work *work); 1666int smb3_check_sign_req(struct ksmbd_work *work); 1667void smb3_set_sign_rsp(struct ksmbd_work *work); 1668int find_matching_smb2_dialect(int start_index, __le16 *cli_dialects, 1669 __le16 dialects_count); 1670struct file_lock *smb_flock_init(struct file *f); 1671int setup_async_work(struct ksmbd_work *work, void (*fn)(void **), 1672 void **arg); 1673void smb2_send_interim_resp(struct ksmbd_work *work, __le32 status); 1674struct channel *lookup_chann_list(struct ksmbd_session *sess, 1675 struct ksmbd_conn *conn); 1676void smb3_preauth_hash_rsp(struct ksmbd_work *work); 1677bool smb3_is_transform_hdr(void *buf); 1678int smb3_decrypt_req(struct ksmbd_work *work); 1679int smb3_encrypt_resp(struct ksmbd_work *work); 1680bool smb3_11_final_sess_setup_resp(struct ksmbd_work *work); 1681int smb2_set_rsp_credits(struct ksmbd_work *work); 1682 1683/* smb2 misc functions */ 1684int ksmbd_smb2_check_message(struct ksmbd_work *work); 1685 1686/* smb2 command handlers */ 1687int smb2_handle_negotiate(struct ksmbd_work *work); 1688int smb2_negotiate_request(struct ksmbd_work *work); 1689int smb2_sess_setup(struct ksmbd_work *work); 1690int smb2_tree_connect(struct ksmbd_work *work); 1691int smb2_tree_disconnect(struct ksmbd_work *work); 1692int smb2_session_logoff(struct ksmbd_work *work); 1693int smb2_open(struct ksmbd_work *work); 1694int smb2_query_info(struct ksmbd_work *work); 1695int smb2_query_dir(struct ksmbd_work *work); 1696int smb2_close(struct ksmbd_work *work); 1697int smb2_echo(struct ksmbd_work *work); 1698int smb2_set_info(struct ksmbd_work *work); 1699int smb2_read(struct ksmbd_work *work); 1700int smb2_write(struct ksmbd_work *work); 1701int smb2_flush(struct ksmbd_work *work); 1702int smb2_cancel(struct ksmbd_work *work); 1703int smb2_lock(struct ksmbd_work *work); 1704int smb2_ioctl(struct ksmbd_work *work); 1705int smb2_oplock_break(struct ksmbd_work *work); 1706int smb2_notify(struct ksmbd_work *ksmbd_work); 1707 1708#endif /* _SMB2PDU_H */ 1709