1/* 2 * fs/cifs/smb2pdu.h 3 * 4 * Copyright (c) International Business Machines Corp., 2009, 2010 5 * Etersoft, 2012 6 * Author(s): Steve French (sfrench@us.ibm.com) 7 * Pavel Shilovsky (pshilovsky@samba.org) 2012 8 * 9 * This library is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU Lesser General Public License as published 11 * by the Free Software Foundation; either version 2.1 of the License, or 12 * (at your option) any later version. 13 * 14 * This library is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 17 * the GNU Lesser General Public License for more details. 18 * 19 * You should have received a copy of the GNU Lesser General Public License 20 * along with this library; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 */ 23 24#ifndef _SMB2PDU_H 25#define _SMB2PDU_H 26 27#include <net/sock.h> 28 29/* 30 * Note that, due to trying to use names similar to the protocol specifications, 31 * there are many mixed case field names in the structures below. Although 32 * this does not match typical Linux kernel style, it is necessary to be 33 * be able to match against the protocol specfication. 34 * 35 * SMB2 commands 36 * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses 37 * (ie no useful data other than the SMB error code itself) and are marked such. 38 * Knowing this helps avoid response buffer allocations and copy in some cases. 39 */ 40 41/* List of commands in host endian */ 42#define SMB2_NEGOTIATE_HE 0x0000 43#define SMB2_SESSION_SETUP_HE 0x0001 44#define SMB2_LOGOFF_HE 0x0002 /* trivial request/resp */ 45#define SMB2_TREE_CONNECT_HE 0x0003 46#define SMB2_TREE_DISCONNECT_HE 0x0004 /* trivial req/resp */ 47#define SMB2_CREATE_HE 0x0005 48#define SMB2_CLOSE_HE 0x0006 49#define SMB2_FLUSH_HE 0x0007 /* trivial resp */ 50#define SMB2_READ_HE 0x0008 51#define SMB2_WRITE_HE 0x0009 52#define SMB2_LOCK_HE 0x000A 53#define SMB2_IOCTL_HE 0x000B 54#define SMB2_CANCEL_HE 0x000C 55#define SMB2_ECHO_HE 0x000D 56#define SMB2_QUERY_DIRECTORY_HE 0x000E 57#define SMB2_CHANGE_NOTIFY_HE 0x000F 58#define SMB2_QUERY_INFO_HE 0x0010 59#define SMB2_SET_INFO_HE 0x0011 60#define SMB2_OPLOCK_BREAK_HE 0x0012 61 62/* The same list in little endian */ 63#define SMB2_NEGOTIATE cpu_to_le16(SMB2_NEGOTIATE_HE) 64#define SMB2_SESSION_SETUP cpu_to_le16(SMB2_SESSION_SETUP_HE) 65#define SMB2_LOGOFF cpu_to_le16(SMB2_LOGOFF_HE) 66#define SMB2_TREE_CONNECT cpu_to_le16(SMB2_TREE_CONNECT_HE) 67#define SMB2_TREE_DISCONNECT cpu_to_le16(SMB2_TREE_DISCONNECT_HE) 68#define SMB2_CREATE cpu_to_le16(SMB2_CREATE_HE) 69#define SMB2_CLOSE cpu_to_le16(SMB2_CLOSE_HE) 70#define SMB2_FLUSH cpu_to_le16(SMB2_FLUSH_HE) 71#define SMB2_READ cpu_to_le16(SMB2_READ_HE) 72#define SMB2_WRITE cpu_to_le16(SMB2_WRITE_HE) 73#define SMB2_LOCK cpu_to_le16(SMB2_LOCK_HE) 74#define SMB2_IOCTL cpu_to_le16(SMB2_IOCTL_HE) 75#define SMB2_CANCEL cpu_to_le16(SMB2_CANCEL_HE) 76#define SMB2_ECHO cpu_to_le16(SMB2_ECHO_HE) 77#define SMB2_QUERY_DIRECTORY cpu_to_le16(SMB2_QUERY_DIRECTORY_HE) 78#define SMB2_CHANGE_NOTIFY cpu_to_le16(SMB2_CHANGE_NOTIFY_HE) 79#define SMB2_QUERY_INFO cpu_to_le16(SMB2_QUERY_INFO_HE) 80#define SMB2_SET_INFO cpu_to_le16(SMB2_SET_INFO_HE) 81#define SMB2_OPLOCK_BREAK cpu_to_le16(SMB2_OPLOCK_BREAK_HE) 82 83#define NUMBER_OF_SMB2_COMMANDS 0x0013 84 85/* BB FIXME - analyze following length BB */ 86#define MAX_SMB2_HDR_SIZE 0x78 /* 4 len + 64 hdr + (2*24 wct) + 2 bct + 2 pad */ 87 88#define SMB2_PROTO_NUMBER __constant_cpu_to_le32(0x424d53fe) 89 90/* 91 * SMB2 Header Definition 92 * 93 * "MBZ" : Must be Zero 94 * "BB" : BugBug, Something to check/review/analyze later 95 * "PDU" : "Protocol Data Unit" (ie a network "frame") 96 * 97 */ 98 99#define SMB2_HEADER_STRUCTURE_SIZE __constant_cpu_to_le16(64) 100 101struct smb2_hdr { 102 __be32 smb2_buf_length; /* big endian on wire */ 103 /* length is only two or three bytes - with 104 one or two byte type preceding it that MBZ */ 105 __u8 ProtocolId[4]; /* 0xFE 'S' 'M' 'B' */ 106 __le16 StructureSize; /* 64 */ 107 __le16 CreditCharge; /* MBZ */ 108 __le32 Status; /* Error from server */ 109 __le16 Command; 110 __le16 CreditRequest; /* CreditResponse */ 111 __le32 Flags; 112 __le32 NextCommand; 113 __u64 MessageId; /* opaque - so can stay little endian */ 114 __le32 ProcessId; 115 __u32 TreeId; /* opaque - so do not make little endian */ 116 __u64 SessionId; /* opaque - so do not make little endian */ 117 __u8 Signature[16]; 118} __packed; 119 120struct smb2_pdu { 121 struct smb2_hdr hdr; 122 __le16 StructureSize2; /* size of wct area (varies, request specific) */ 123} __packed; 124 125/* 126 * SMB2 flag definitions 127 */ 128#define SMB2_FLAGS_SERVER_TO_REDIR __constant_cpu_to_le32(0x00000001) 129#define SMB2_FLAGS_ASYNC_COMMAND __constant_cpu_to_le32(0x00000002) 130#define SMB2_FLAGS_RELATED_OPERATIONS __constant_cpu_to_le32(0x00000004) 131#define SMB2_FLAGS_SIGNED __constant_cpu_to_le32(0x00000008) 132#define SMB2_FLAGS_DFS_OPERATIONS __constant_cpu_to_le32(0x10000000) 133 134/* 135 * Definitions for SMB2 Protocol Data Units (network frames) 136 * 137 * See MS-SMB2.PDF specification for protocol details. 138 * The Naming convention is the lower case version of the SMB2 139 * command code name for the struct. Note that structures must be packed. 140 * 141 */ 142 143#define SMB2_ERROR_STRUCTURE_SIZE2 __constant_cpu_to_le16(9) 144 145struct smb2_err_rsp { 146 struct smb2_hdr hdr; 147 __le16 StructureSize; 148 __le16 Reserved; /* MBZ */ 149 __le32 ByteCount; /* even if zero, at least one byte follows */ 150 __u8 ErrorData[1]; /* variable length */ 151} __packed; 152 153struct smb2_negotiate_req { 154 struct smb2_hdr hdr; 155 __le16 StructureSize; /* Must be 36 */ 156 __le16 DialectCount; 157 __le16 SecurityMode; 158 __le16 Reserved; /* MBZ */ 159 __le32 Capabilities; 160 __u8 ClientGUID[16]; /* MBZ */ 161 __le64 ClientStartTime; /* MBZ */ 162 __le16 Dialects[2]; /* variable length */ 163} __packed; 164 165/* SecurityMode flags */ 166#define SMB2_NEGOTIATE_SIGNING_ENABLED 0x0001 167#define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002 168/* Capabilities flags */ 169#define SMB2_GLOBAL_CAP_DFS 0x00000001 170#define SMB2_GLOBAL_CAP_LEASING 0x00000002 /* Resp only New to SMB2.1 */ 171#define SMB2_GLOBAL_CAP_LARGE_MTU 0X00000004 /* Resp only New to SMB2.1 */ 172/* Internal types */ 173#define SMB2_NT_FIND 0x00100000 174#define SMB2_LARGE_FILES 0x00200000 175 176struct smb2_negotiate_rsp { 177 struct smb2_hdr hdr; 178 __le16 StructureSize; /* Must be 65 */ 179 __le16 SecurityMode; 180 __le16 DialectRevision; 181 __le16 Reserved; /* MBZ */ 182 __u8 ServerGUID[16]; 183 __le32 Capabilities; 184 __le32 MaxTransactSize; 185 __le32 MaxReadSize; 186 __le32 MaxWriteSize; 187 __le64 SystemTime; /* MBZ */ 188 __le64 ServerStartTime; 189 __le16 SecurityBufferOffset; 190 __le16 SecurityBufferLength; 191 __le32 Reserved2; /* may be any value, ignore */ 192 __u8 Buffer[1]; /* variable length GSS security buffer */ 193} __packed; 194 195struct smb2_sess_setup_req { 196 struct smb2_hdr hdr; 197 __le16 StructureSize; /* Must be 25 */ 198 __u8 VcNumber; 199 __u8 SecurityMode; 200 __le32 Capabilities; 201 __le32 Channel; 202 __le16 SecurityBufferOffset; 203 __le16 SecurityBufferLength; 204 __le64 PreviousSessionId; 205 __u8 Buffer[1]; /* variable length GSS security buffer */ 206} __packed; 207 208/* Currently defined SessionFlags */ 209#define SMB2_SESSION_FLAG_IS_GUEST 0x0001 210#define SMB2_SESSION_FLAG_IS_NULL 0x0002 211struct smb2_sess_setup_rsp { 212 struct smb2_hdr hdr; 213 __le16 StructureSize; /* Must be 9 */ 214 __le16 SessionFlags; 215 __le16 SecurityBufferOffset; 216 __le16 SecurityBufferLength; 217 __u8 Buffer[1]; /* variable length GSS security buffer */ 218} __packed; 219 220struct smb2_logoff_req { 221 struct smb2_hdr hdr; 222 __le16 StructureSize; /* Must be 4 */ 223 __le16 Reserved; 224} __packed; 225 226struct smb2_logoff_rsp { 227 struct smb2_hdr hdr; 228 __le16 StructureSize; /* Must be 4 */ 229 __le16 Reserved; 230} __packed; 231 232struct smb2_tree_connect_req { 233 struct smb2_hdr hdr; 234 __le16 StructureSize; /* Must be 9 */ 235 __le16 Reserved; 236 __le16 PathOffset; 237 __le16 PathLength; 238 __u8 Buffer[1]; /* variable length */ 239} __packed; 240 241struct smb2_tree_connect_rsp { 242 struct smb2_hdr hdr; 243 __le16 StructureSize; /* Must be 16 */ 244 __u8 ShareType; /* see below */ 245 __u8 Reserved; 246 __le32 ShareFlags; /* see below */ 247 __le32 Capabilities; /* see below */ 248 __le32 MaximalAccess; 249} __packed; 250 251/* Possible ShareType values */ 252#define SMB2_SHARE_TYPE_DISK 0x01 253#define SMB2_SHARE_TYPE_PIPE 0x02 254#define SMB2_SHARE_TYPE_PRINT 0x03 255 256/* 257 * Possible ShareFlags - exactly one and only one of the first 4 caching flags 258 * must be set (any of the remaining, SHI1005, flags may be set individually 259 * or in combination. 260 */ 261#define SMB2_SHAREFLAG_MANUAL_CACHING 0x00000000 262#define SMB2_SHAREFLAG_AUTO_CACHING 0x00000010 263#define SMB2_SHAREFLAG_VDO_CACHING 0x00000020 264#define SMB2_SHAREFLAG_NO_CACHING 0x00000030 265#define SHI1005_FLAGS_DFS 0x00000001 266#define SHI1005_FLAGS_DFS_ROOT 0x00000002 267#define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS 0x00000100 268#define SHI1005_FLAGS_FORCE_SHARED_DELETE 0x00000200 269#define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING 0x00000400 270#define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM 0x00000800 271#define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK 0x00001000 272#define SHI1005_FLAGS_ENABLE_HASH 0x00002000 273 274/* Possible share capabilities */ 275#define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) 276 277struct smb2_tree_disconnect_req { 278 struct smb2_hdr hdr; 279 __le16 StructureSize; /* Must be 4 */ 280 __le16 Reserved; 281} __packed; 282 283struct smb2_tree_disconnect_rsp { 284 struct smb2_hdr hdr; 285 __le16 StructureSize; /* Must be 4 */ 286 __le16 Reserved; 287} __packed; 288 289/* File Attrubutes */ 290#define FILE_ATTRIBUTE_READONLY 0x00000001 291#define FILE_ATTRIBUTE_HIDDEN 0x00000002 292#define FILE_ATTRIBUTE_SYSTEM 0x00000004 293#define FILE_ATTRIBUTE_DIRECTORY 0x00000010 294#define FILE_ATTRIBUTE_ARCHIVE 0x00000020 295#define FILE_ATTRIBUTE_NORMAL 0x00000080 296#define FILE_ATTRIBUTE_TEMPORARY 0x00000100 297#define FILE_ATTRIBUTE_SPARSE_FILE 0x00000200 298#define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400 299#define FILE_ATTRIBUTE_COMPRESSED 0x00000800 300#define FILE_ATTRIBUTE_OFFLINE 0x00001000 301#define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x00002000 302#define FILE_ATTRIBUTE_ENCRYPTED 0x00004000 303 304/* Oplock levels */ 305#define SMB2_OPLOCK_LEVEL_NONE 0x00 306#define SMB2_OPLOCK_LEVEL_II 0x01 307#define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08 308#define SMB2_OPLOCK_LEVEL_BATCH 0x09 309#define SMB2_OPLOCK_LEVEL_LEASE 0xFF 310 311/* Desired Access Flags */ 312#define FILE_READ_DATA_LE cpu_to_le32(0x00000001) 313#define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002) 314#define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004) 315#define FILE_READ_EA_LE cpu_to_le32(0x00000008) 316#define FILE_WRITE_EA_LE cpu_to_le32(0x00000010) 317#define FILE_EXECUTE_LE cpu_to_le32(0x00000020) 318#define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080) 319#define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100) 320#define FILE_DELETE_LE cpu_to_le32(0x00010000) 321#define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000) 322#define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000) 323#define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000) 324#define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000) 325#define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000) 326#define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000) 327#define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000) 328#define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000) 329#define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000) 330#define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000) 331 332/* ShareAccess Flags */ 333#define FILE_SHARE_READ_LE cpu_to_le32(0x00000001) 334#define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002) 335#define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004) 336#define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007) 337 338/* CreateDisposition Flags */ 339#define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000) 340#define FILE_OPEN_LE cpu_to_le32(0x00000001) 341#define FILE_CREATE_LE cpu_to_le32(0x00000002) 342#define FILE_OPEN_IF_LE cpu_to_le32(0x00000003) 343#define FILE_OVERWRITE_LE cpu_to_le32(0x00000004) 344#define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005) 345 346/* CreateOptions Flags */ 347#define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001) 348/* same as #define CREATE_NOT_FILE_LE cpu_to_le32(0x00000001) */ 349#define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002) 350#define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004) 351#define FILE_NO_INTERMEDIATE_BUFFERRING_LE cpu_to_le32(0x00000008) 352#define FILE_SYNCHRONOUS_IO_ALERT_LE cpu_to_le32(0x00000010) 353#define FILE_SYNCHRONOUS_IO_NON_ALERT_LE cpu_to_le32(0x00000020) 354#define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040) 355#define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100) 356#define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200) 357#define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800) 358#define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000) 359#define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000) 360#define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000) 361#define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000) 362#define FILE_RESERVE_OPFILTER_LE cpu_to_le32(0x00100000) 363#define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000) 364#define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000) 365#define FILE_OPEN_FOR_FREE_SPACE_QUERY_LE cpu_to_le32(0x00800000) 366 367#define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \ 368 | FILE_READ_ATTRIBUTES_LE) 369#define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \ 370 | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE) 371#define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE) 372 373/* Impersonation Levels */ 374#define IL_ANONYMOUS cpu_to_le32(0x00000000) 375#define IL_IDENTIFICATION cpu_to_le32(0x00000001) 376#define IL_IMPERSONATION cpu_to_le32(0x00000002) 377#define IL_DELEGATE cpu_to_le32(0x00000003) 378 379/* Create Context Values */ 380#define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */ 381#define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */ 382#define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ" 383#define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC" 384#define SMB2_CREATE_ALLOCATION_SIZE "AlSi" 385#define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc" 386#define SMB2_CREATE_TIMEWARP_REQUEST "TWrp" 387#define SMB2_CREATE_QUERY_ON_DISK_ID "QFid" 388#define SMB2_CREATE_REQUEST_LEASE "RqLs" 389 390struct smb2_create_req { 391 struct smb2_hdr hdr; 392 __le16 StructureSize; /* Must be 57 */ 393 __u8 SecurityFlags; 394 __u8 RequestedOplockLevel; 395 __le32 ImpersonationLevel; 396 __le64 SmbCreateFlags; 397 __le64 Reserved; 398 __le32 DesiredAccess; 399 __le32 FileAttributes; 400 __le32 ShareAccess; 401 __le32 CreateDisposition; 402 __le32 CreateOptions; 403 __le16 NameOffset; 404 __le16 NameLength; 405 __le32 CreateContextsOffset; 406 __le32 CreateContextsLength; 407 __u8 Buffer[1]; 408} __packed; 409 410struct smb2_create_rsp { 411 struct smb2_hdr hdr; 412 __le16 StructureSize; /* Must be 89 */ 413 __u8 OplockLevel; 414 __u8 Reserved; 415 __le32 CreateAction; 416 __le64 CreationTime; 417 __le64 LastAccessTime; 418 __le64 LastWriteTime; 419 __le64 ChangeTime; 420 __le64 AllocationSize; 421 __le64 EndofFile; 422 __le32 FileAttributes; 423 __le32 Reserved2; 424 __u64 PersistentFileId; /* opaque endianness */ 425 __u64 VolatileFileId; /* opaque endianness */ 426 __le32 CreateContextsOffset; 427 __le32 CreateContextsLength; 428 __u8 Buffer[1]; 429} __packed; 430 431/* Currently defined values for close flags */ 432#define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001) 433struct smb2_close_req { 434 struct smb2_hdr hdr; 435 __le16 StructureSize; /* Must be 24 */ 436 __le16 Flags; 437 __le32 Reserved; 438 __u64 PersistentFileId; /* opaque endianness */ 439 __u64 VolatileFileId; /* opaque endianness */ 440} __packed; 441 442struct smb2_close_rsp { 443 struct smb2_hdr hdr; 444 __le16 StructureSize; /* 60 */ 445 __le16 Flags; 446 __le32 Reserved; 447 __le64 CreationTime; 448 __le64 LastAccessTime; 449 __le64 LastWriteTime; 450 __le64 ChangeTime; 451 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 452 __le64 EndOfFile; 453 __le32 Attributes; 454} __packed; 455 456struct smb2_echo_req { 457 struct smb2_hdr hdr; 458 __le16 StructureSize; /* Must be 4 */ 459 __u16 Reserved; 460} __packed; 461 462struct smb2_echo_rsp { 463 struct smb2_hdr hdr; 464 __le16 StructureSize; /* Must be 4 */ 465 __u16 Reserved; 466} __packed; 467 468/* Possible InfoType values */ 469#define SMB2_O_INFO_FILE 0x01 470#define SMB2_O_INFO_FILESYSTEM 0x02 471#define SMB2_O_INFO_SECURITY 0x03 472#define SMB2_O_INFO_QUOTA 0x04 473 474struct smb2_query_info_req { 475 struct smb2_hdr hdr; 476 __le16 StructureSize; /* Must be 41 */ 477 __u8 InfoType; 478 __u8 FileInfoClass; 479 __le32 OutputBufferLength; 480 __le16 InputBufferOffset; 481 __u16 Reserved; 482 __le32 InputBufferLength; 483 __le32 AdditionalInformation; 484 __le32 Flags; 485 __u64 PersistentFileId; /* opaque endianness */ 486 __u64 VolatileFileId; /* opaque endianness */ 487 __u8 Buffer[1]; 488} __packed; 489 490struct smb2_query_info_rsp { 491 struct smb2_hdr hdr; 492 __le16 StructureSize; /* Must be 9 */ 493 __le16 OutputBufferOffset; 494 __le32 OutputBufferLength; 495 __u8 Buffer[1]; 496} __packed; 497 498/* 499 * PDU infolevel structure definitions 500 * BB consider moving to a different header 501 */ 502 503/* partial list of QUERY INFO levels */ 504#define FILE_DIRECTORY_INFORMATION 1 505#define FILE_FULL_DIRECTORY_INFORMATION 2 506#define FILE_BOTH_DIRECTORY_INFORMATION 3 507#define FILE_BASIC_INFORMATION 4 508#define FILE_STANDARD_INFORMATION 5 509#define FILE_INTERNAL_INFORMATION 6 510#define FILE_EA_INFORMATION 7 511#define FILE_ACCESS_INFORMATION 8 512#define FILE_NAME_INFORMATION 9 513#define FILE_RENAME_INFORMATION 10 514#define FILE_LINK_INFORMATION 11 515#define FILE_NAMES_INFORMATION 12 516#define FILE_DISPOSITION_INFORMATION 13 517#define FILE_POSITION_INFORMATION 14 518#define FILE_FULL_EA_INFORMATION 15 519#define FILE_MODE_INFORMATION 16 520#define FILE_ALIGNMENT_INFORMATION 17 521#define FILE_ALL_INFORMATION 18 522#define FILE_ALLOCATION_INFORMATION 19 523#define FILE_END_OF_FILE_INFORMATION 20 524#define FILE_ALTERNATE_NAME_INFORMATION 21 525#define FILE_STREAM_INFORMATION 22 526#define FILE_PIPE_INFORMATION 23 527#define FILE_PIPE_LOCAL_INFORMATION 24 528#define FILE_PIPE_REMOTE_INFORMATION 25 529#define FILE_MAILSLOT_QUERY_INFORMATION 26 530#define FILE_MAILSLOT_SET_INFORMATION 27 531#define FILE_COMPRESSION_INFORMATION 28 532#define FILE_OBJECT_ID_INFORMATION 29 533/* Number 30 not defined in documents */ 534#define FILE_MOVE_CLUSTER_INFORMATION 31 535#define FILE_QUOTA_INFORMATION 32 536#define FILE_REPARSE_POINT_INFORMATION 33 537#define FILE_NETWORK_OPEN_INFORMATION 34 538#define FILE_ATTRIBUTE_TAG_INFORMATION 35 539#define FILE_TRACKING_INFORMATION 36 540#define FILEID_BOTH_DIRECTORY_INFORMATION 37 541#define FILEID_FULL_DIRECTORY_INFORMATION 38 542#define FILE_VALID_DATA_LENGTH_INFORMATION 39 543#define FILE_SHORT_NAME_INFORMATION 40 544#define FILE_SFIO_RESERVE_INFORMATION 44 545#define FILE_SFIO_VOLUME_INFORMATION 45 546#define FILE_HARD_LINK_INFORMATION 46 547#define FILE_NORMALIZED_NAME_INFORMATION 48 548#define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50 549#define FILE_STANDARD_LINK_INFORMATION 54 550 551/* 552 * This level 18, although with struct with same name is different from cifs 553 * level 0x107. Level 0x107 has an extra u64 between AccessFlags and 554 * CurrentByteOffset. 555 */ 556struct smb2_file_all_info { /* data block encoding of response to level 18 */ 557 __le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */ 558 __le64 LastAccessTime; 559 __le64 LastWriteTime; 560 __le64 ChangeTime; 561 __le32 Attributes; 562 __u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */ 563 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ 564 __le64 EndOfFile; /* size ie offset to first free byte in file */ 565 __le32 NumberOfLinks; /* hard links */ 566 __u8 DeletePending; 567 __u8 Directory; 568 __u16 Pad2; /* End of FILE_STANDARD_INFO equivalent */ 569 __le64 IndexNumber; 570 __le32 EASize; 571 __le32 AccessFlags; 572 __le64 CurrentByteOffset; 573 __le32 Mode; 574 __le32 AlignmentRequirement; 575 __le32 FileNameLength; 576 char FileName[1]; 577} __packed; /* level 18 Query */ 578 579#endif /* _SMB2PDU_H */ 580