fs/cifs/smb2pdu.h

   1 /*
   2  *   fs/cifs/smb2pdu.h
   3  *
   4  *   Copyright (c) International Business Machines  Corp., 2009, 2013
   5  *                 Etersoft, 2012
   6  *   Author(s): Steve French (sfrench@us.ibm.com)
   7  *              Pavel Shilovsky (pshilovsky@samba.org) 2012
   8  *
   9  *   This library is free software; you can redistribute it and/or modify
  10  *   it under the terms of the GNU Lesser General Public License as published
  11  *   by the Free Software Foundation; either version 2.1 of the License, or
  12  *   (at your option) any later version.
  13  *
  14  *   This library is distributed in the hope that it will be useful,
  15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
  17  *   the GNU Lesser General Public License for more details.
  18  *
  19  *   You should have received a copy of the GNU Lesser General Public License
  20  *   along with this library; if not, write to the Free Software
  21  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  22  */
  23
  24 #ifndef _SMB2PDU_H
  25 #define _SMB2PDU_H
  26
  27 #include <net/sock.h>
  28
  29 /*
  30  * Note that, due to trying to use names similar to the protocol specifications,
  31  * there are many mixed case field names in the structures below.  Although
  32  * this does not match typical Linux kernel style, it is necessary to be
  33  * be able to match against the protocol specfication.
  34  *
  35  * SMB2 commands
  36  * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses
  37  * (ie no useful data other than the SMB error code itself) and are marked such.
  38  * Knowing this helps avoid response buffer allocations and copy in some cases.
  39  */
  40
  41 /* List of commands in host endian */
  42 #define SMB2_NEGOTIATE_HE       0x0000
  43 #define SMB2_SESSION_SETUP_HE   0x0001
  44 #define SMB2_LOGOFF_HE          0x0002 /* trivial request/resp */
  45 #define SMB2_TREE_CONNECT_HE    0x0003
  46 #define SMB2_TREE_DISCONNECT_HE 0x0004 /* trivial req/resp */
  47 #define SMB2_CREATE_HE          0x0005
  48 #define SMB2_CLOSE_HE           0x0006
  49 #define SMB2_FLUSH_HE           0x0007 /* trivial resp */
  50 #define SMB2_READ_HE            0x0008
  51 #define SMB2_WRITE_HE           0x0009
  52 #define SMB2_LOCK_HE            0x000A
  53 #define SMB2_IOCTL_HE           0x000B
  54 #define SMB2_CANCEL_HE          0x000C
  55 #define SMB2_ECHO_HE            0x000D
  56 #define SMB2_QUERY_DIRECTORY_HE 0x000E
  57 #define SMB2_CHANGE_NOTIFY_HE   0x000F
  58 #define SMB2_QUERY_INFO_HE      0x0010
  59 #define SMB2_SET_INFO_HE        0x0011
  60 #define SMB2_OPLOCK_BREAK_HE    0x0012
  61
  62 /* The same list in little endian */
  63 #define SMB2_NEGOTIATE          cpu_to_le16(SMB2_NEGOTIATE_HE)
  64 #define SMB2_SESSION_SETUP      cpu_to_le16(SMB2_SESSION_SETUP_HE)
  65 #define SMB2_LOGOFF             cpu_to_le16(SMB2_LOGOFF_HE)
  66 #define SMB2_TREE_CONNECT       cpu_to_le16(SMB2_TREE_CONNECT_HE)
  67 #define SMB2_TREE_DISCONNECT    cpu_to_le16(SMB2_TREE_DISCONNECT_HE)
  68 #define SMB2_CREATE             cpu_to_le16(SMB2_CREATE_HE)
  69 #define SMB2_CLOSE              cpu_to_le16(SMB2_CLOSE_HE)
  70 #define SMB2_FLUSH              cpu_to_le16(SMB2_FLUSH_HE)
  71 #define SMB2_READ               cpu_to_le16(SMB2_READ_HE)
  72 #define SMB2_WRITE              cpu_to_le16(SMB2_WRITE_HE)
  73 #define SMB2_LOCK               cpu_to_le16(SMB2_LOCK_HE)
  74 #define SMB2_IOCTL              cpu_to_le16(SMB2_IOCTL_HE)
  75 #define SMB2_CANCEL             cpu_to_le16(SMB2_CANCEL_HE)
  76 #define SMB2_ECHO               cpu_to_le16(SMB2_ECHO_HE)
  77 #define SMB2_QUERY_DIRECTORY    cpu_to_le16(SMB2_QUERY_DIRECTORY_HE)
  78 #define SMB2_CHANGE_NOTIFY      cpu_to_le16(SMB2_CHANGE_NOTIFY_HE)
  79 #define SMB2_QUERY_INFO         cpu_to_le16(SMB2_QUERY_INFO_HE)
  80 #define SMB2_SET_INFO           cpu_to_le16(SMB2_SET_INFO_HE)
  81 #define SMB2_OPLOCK_BREAK       cpu_to_le16(SMB2_OPLOCK_BREAK_HE)
  82
  83 #define SMB2_INTERNAL_CMD       cpu_to_le16(0xFFFF)
  84
  85 #define NUMBER_OF_SMB2_COMMANDS 0x0013
  86
  87 /* BB FIXME - analyze following length BB */
  88 #define MAX_SMB2_HDR_SIZE 0x78 /* 4 len + 64 hdr + (2*24 wct) + 2 bct + 2 pad */
  89
  90 #define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe)
  91 #define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd)
  92
  93 /*
  94  * SMB2 Header Definition
  95  *
  96  * "MBZ" :  Must be Zero
  97  * "BB"  :  BugBug, Something to check/review/analyze later
  98  * "PDU" :  "Protocol Data Unit" (ie a network "frame")
  99  *
 100  */
 101
 102 #define SMB2_HEADER_STRUCTURE_SIZE cpu_to_le16(64)
 103
 104 struct smb2_sync_hdr {
 105         __le32 ProtocolId;      /* 0xFE 'S' 'M' 'B' */
 106         __le16 StructureSize;   /* 64 */
 107         __le16 CreditCharge;    /* MBZ */
 108         __le32 Status;          /* Error from server */
 109         __le16 Command;
 110         __le16 CreditRequest;  /* CreditResponse */
 111         __le32 Flags;
 112         __le32 NextCommand;
 113         __le64 MessageId;
 114         __le32 ProcessId;
 115         __u32  TreeId;          /* opaque - so do not make little endian */
 116         __u64  SessionId;       /* opaque - so do not make little endian */
 117         __u8   Signature[16];
 118 } __packed;
 119
 120 struct smb2_sync_pdu {
 121         struct smb2_sync_hdr sync_hdr;
 122         __le16 StructureSize2; /* size of wct area (varies, request specific) */
 123 } __packed;
 124
 125 struct smb2_hdr {
 126         __be32 smb2_buf_length; /* big endian on wire */
 127                                 /* length is only two or three bytes - with */
 128                                 /* one or two byte type preceding it that MBZ */
 129         struct smb2_sync_hdr sync_hdr;
 130 } __packed;
 131
 132 struct smb2_pdu {
 133         struct smb2_hdr hdr;
 134         __le16 StructureSize2; /* size of wct area (varies, request specific) */
 135 } __packed;
 136
 137 struct smb2_transform_hdr {
 138         __be32 smb2_buf_length; /* big endian on wire */
 139                                 /* length is only two or three bytes - with
 140                                  one or two byte type preceding it that MBZ */
 141         __u8   ProtocolId[4];   /* 0xFD 'S' 'M' 'B' */
 142         __u8   Signature[16];
 143         __u8   Nonce[16];
 144         __le32 OriginalMessageSize;
 145         __u16  Reserved1;
 146         __le16 Flags; /* EncryptionAlgorithm */
 147         __u64  SessionId;
 148 } __packed;
 149
 150 /*
 151  *      SMB2 flag definitions
 152  */
 153 #define SMB2_FLAGS_SERVER_TO_REDIR      cpu_to_le32(0x00000001)
 154 #define SMB2_FLAGS_ASYNC_COMMAND        cpu_to_le32(0x00000002)
 155 #define SMB2_FLAGS_RELATED_OPERATIONS   cpu_to_le32(0x00000004)
 156 #define SMB2_FLAGS_SIGNED               cpu_to_le32(0x00000008)
 157 #define SMB2_FLAGS_DFS_OPERATIONS       cpu_to_le32(0x10000000)
 158
 159 /*
 160  *      Definitions for SMB2 Protocol Data Units (network frames)
 161  *
 162  *  See MS-SMB2.PDF specification for protocol details.
 163  *  The Naming convention is the lower case version of the SMB2
 164  *  command code name for the struct. Note that structures must be packed.
 165  *
 166  */
 167
 168 #define SMB2_ERROR_STRUCTURE_SIZE2 cpu_to_le16(9)
 169
 170 struct smb2_err_rsp {
 171         struct smb2_hdr hdr;
 172         __le16 StructureSize;
 173         __le16 Reserved; /* MBZ */
 174         __le32 ByteCount;  /* even if zero, at least one byte follows */
 175         __u8   ErrorData[1];  /* variable length */
 176 } __packed;
 177
 178 struct smb2_symlink_err_rsp {
 179         __le32 SymLinkLength;
 180         __le32 SymLinkErrorTag;
 181         __le32 ReparseTag;
 182         __le16 ReparseDataLength;
 183         __le16 UnparsedPathLength;
 184         __le16 SubstituteNameOffset;
 185         __le16 SubstituteNameLength;
 186         __le16 PrintNameOffset;
 187         __le16 PrintNameLength;
 188         __le32 Flags;
 189         __u8  PathBuffer[0];
 190 } __packed;
 191
 192 #define SMB2_CLIENT_GUID_SIZE 16
 193
 194 struct smb2_negotiate_req {
 195         struct smb2_hdr hdr;
 196         __le16 StructureSize; /* Must be 36 */
 197         __le16 DialectCount;
 198         __le16 SecurityMode;
 199         __le16 Reserved;        /* MBZ */
 200         __le32 Capabilities;
 201         __u8   ClientGUID[SMB2_CLIENT_GUID_SIZE];
 202         /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */
 203         __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */
 204         __le16 NegotiateContextCount;  /* SMB3.1.1 only. MBZ earlier */
 205         __le16 Reserved2;
 206         __le16 Dialects[1]; /* One dialect (vers=) at a time for now */
 207 } __packed;
 208
 209 /* Dialects */
 210 #define SMB20_PROT_ID 0x0202
 211 #define SMB21_PROT_ID 0x0210
 212 #define SMB30_PROT_ID 0x0300
 213 #define SMB302_PROT_ID 0x0302
 214 #define SMB311_PROT_ID 0x0311
 215 #define BAD_PROT_ID   0xFFFF
 216
 217 /* SecurityMode flags */
 218 #define SMB2_NEGOTIATE_SIGNING_ENABLED  0x0001
 219 #define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002
 220 /* Capabilities flags */
 221 #define SMB2_GLOBAL_CAP_DFS             0x00000001
 222 #define SMB2_GLOBAL_CAP_LEASING         0x00000002 /* Resp only New to SMB2.1 */
 223 #define SMB2_GLOBAL_CAP_LARGE_MTU       0X00000004 /* Resp only New to SMB2.1 */
 224 #define SMB2_GLOBAL_CAP_MULTI_CHANNEL   0x00000008 /* New to SMB3 */
 225 #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */
 226 #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING  0x00000020 /* New to SMB3 */
 227 #define SMB2_GLOBAL_CAP_ENCRYPTION      0x00000040 /* New to SMB3 */
 228 /* Internal types */
 229 #define SMB2_NT_FIND                    0x00100000
 230 #define SMB2_LARGE_FILES                0x00200000
 231
 232 #define SMB311_SALT_SIZE                        32
 233 /* Hash Algorithm Types */
 234 #define SMB2_PREAUTH_INTEGRITY_SHA512   cpu_to_le16(0x0001)
 235
 236 struct smb2_preauth_neg_context {
 237         __le16  ContextType; /* 1 */
 238         __le16  DataLength;
 239         __le32  Reserved;
 240         __le16  HashAlgorithmCount; /* 1 */
 241         __le16  SaltLength;
 242         __le16  HashAlgorithms; /* HashAlgorithms[0] since only one defined */
 243         __u8    Salt[SMB311_SALT_SIZE];
 244 } __packed;
 245
 246 /* Encryption Algorithms Ciphers */
 247 #define SMB2_ENCRYPTION_AES128_CCM      cpu_to_le16(0x0001)
 248 #define SMB2_ENCRYPTION_AES128_GCM      cpu_to_le16(0x0002)
 249
 250 struct smb2_encryption_neg_context {
 251         __le16  ContextType; /* 2 */
 252         __le16  DataLength;
 253         __le32  Reserved;
 254         __le16  CipherCount; /* AES-128-GCM and AES-128-CCM */
 255         __le16  Ciphers[2]; /* Ciphers[0] since only one used now */
 256 } __packed;
 257
 258 struct smb2_negotiate_rsp {
 259         struct smb2_hdr hdr;
 260         __le16 StructureSize;   /* Must be 65 */
 261         __le16 SecurityMode;
 262         __le16 DialectRevision;
 263         __le16 NegotiateContextCount;   /* Prior to SMB3.1.1 was Reserved & MBZ */
 264         __u8   ServerGUID[16];
 265         __le32 Capabilities;
 266         __le32 MaxTransactSize;
 267         __le32 MaxReadSize;
 268         __le32 MaxWriteSize;
 269         __le64 SystemTime;      /* MBZ */
 270         __le64 ServerStartTime;
 271         __le16 SecurityBufferOffset;
 272         __le16 SecurityBufferLength;
 273         __le32 NegotiateContextOffset;  /* Pre:SMB3.1.1 was reserved/ignored */
 274         __u8   Buffer[1];       /* variable length GSS security buffer */
 275 } __packed;
 276
 277 /* Flags */
 278 #define SMB2_SESSION_REQ_FLAG_BINDING           0x01
 279 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA      0x04
 280
 281 struct smb2_sess_setup_req {
 282         struct smb2_hdr hdr;
 283         __le16 StructureSize; /* Must be 25 */
 284         __u8   Flags;
 285         __u8   SecurityMode;
 286         __le32 Capabilities;
 287         __le32 Channel;
 288         __le16 SecurityBufferOffset;
 289         __le16 SecurityBufferLength;
 290         __u64 PreviousSessionId;
 291         __u8   Buffer[1];       /* variable length GSS security buffer */
 292 } __packed;
 293
 294 /* Currently defined SessionFlags */
 295 #define SMB2_SESSION_FLAG_IS_GUEST      0x0001
 296 #define SMB2_SESSION_FLAG_IS_NULL       0x0002
 297 #define SMB2_SESSION_FLAG_ENCRYPT_DATA  0x0004
 298 struct smb2_sess_setup_rsp {
 299         struct smb2_hdr hdr;
 300         __le16 StructureSize; /* Must be 9 */
 301         __le16 SessionFlags;
 302         __le16 SecurityBufferOffset;
 303         __le16 SecurityBufferLength;
 304         __u8   Buffer[1];       /* variable length GSS security buffer */
 305 } __packed;
 306
 307 struct smb2_logoff_req {
 308         struct smb2_hdr hdr;
 309         __le16 StructureSize;   /* Must be 4 */
 310         __le16 Reserved;
 311 } __packed;
 312
 313 struct smb2_logoff_rsp {
 314         struct smb2_hdr hdr;
 315         __le16 StructureSize;   /* Must be 4 */
 316         __le16 Reserved;
 317 } __packed;
 318
 319 /* Flags/Reserved for SMB3.1.1 */
 320 #define SMB2_SHAREFLAG_CLUSTER_RECONNECT        0x0001
 321
 322 struct smb2_tree_connect_req {
 323         struct smb2_hdr hdr;
 324         __le16 StructureSize;   /* Must be 9 */
 325         __le16 Reserved; /* Flags in SMB3.1.1 */
 326         __le16 PathOffset;
 327         __le16 PathLength;
 328         __u8   Buffer[1];       /* variable length */
 329 } __packed;
 330
 331 struct smb2_tree_connect_rsp {
 332         struct smb2_hdr hdr;
 333         __le16 StructureSize;   /* Must be 16 */
 334         __u8   ShareType;  /* see below */
 335         __u8   Reserved;
 336         __le32 ShareFlags; /* see below */
 337         __le32 Capabilities; /* see below */
 338         __le32 MaximalAccess;
 339 } __packed;
 340
 341 /* Possible ShareType values */
 342 #define SMB2_SHARE_TYPE_DISK    0x01
 343 #define SMB2_SHARE_TYPE_PIPE    0x02
 344 #define SMB2_SHARE_TYPE_PRINT   0x03
 345
 346 /*
 347  * Possible ShareFlags - exactly one and only one of the first 4 caching flags
 348  * must be set (any of the remaining, SHI1005, flags may be set individually
 349  * or in combination.
 350  */
 351 #define SMB2_SHAREFLAG_MANUAL_CACHING                   0x00000000
 352 #define SMB2_SHAREFLAG_AUTO_CACHING                     0x00000010
 353 #define SMB2_SHAREFLAG_VDO_CACHING                      0x00000020
 354 #define SMB2_SHAREFLAG_NO_CACHING                       0x00000030
 355 #define SHI1005_FLAGS_DFS                               0x00000001
 356 #define SHI1005_FLAGS_DFS_ROOT                          0x00000002
 357 #define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS          0x00000100
 358 #define SHI1005_FLAGS_FORCE_SHARED_DELETE               0x00000200
 359 #define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING           0x00000400
 360 #define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM       0x00000800
 361 #define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK              0x00001000
 362 #define SHI1005_FLAGS_ENABLE_HASH_V1                    0x00002000
 363 #define SHI1005_FLAGS_ENABLE_HASH_V2                    0x00004000
 364 #define SHI1005_FLAGS_ENCRYPT_DATA                      0x00008000
 365 #define SHI1005_FLAGS_ALL                               0x0000FF33
 366
 367 /* Possible share capabilities */
 368 #define SMB2_SHARE_CAP_DFS      cpu_to_le32(0x00000008) /* all dialects */
 369 #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */
 370 #define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */
 371 #define SMB2_SHARE_CAP_CLUSTER  cpu_to_le32(0x00000040) /* 3.0 */
 372 #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */
 373
 374 struct smb2_tree_disconnect_req {
 375         struct smb2_hdr hdr;
 376         __le16 StructureSize;   /* Must be 4 */
 377         __le16 Reserved;
 378 } __packed;
 379
 380 struct smb2_tree_disconnect_rsp {
 381         struct smb2_hdr hdr;
 382         __le16 StructureSize;   /* Must be 4 */
 383         __le16 Reserved;
 384 } __packed;
 385
 386 /* File Attrubutes */
 387 #define FILE_ATTRIBUTE_READONLY                 0x00000001
 388 #define FILE_ATTRIBUTE_HIDDEN                   0x00000002
 389 #define FILE_ATTRIBUTE_SYSTEM                   0x00000004
 390 #define FILE_ATTRIBUTE_DIRECTORY                0x00000010
 391 #define FILE_ATTRIBUTE_ARCHIVE                  0x00000020
 392 #define FILE_ATTRIBUTE_NORMAL                   0x00000080
 393 #define FILE_ATTRIBUTE_TEMPORARY                0x00000100
 394 #define FILE_ATTRIBUTE_SPARSE_FILE              0x00000200
 395 #define FILE_ATTRIBUTE_REPARSE_POINT            0x00000400
 396 #define FILE_ATTRIBUTE_COMPRESSED               0x00000800
 397 #define FILE_ATTRIBUTE_OFFLINE                  0x00001000
 398 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED      0x00002000
 399 #define FILE_ATTRIBUTE_ENCRYPTED                0x00004000
 400 #define FILE_ATTRIBUTE_INTEGRITY_STREAM         0x00008000
 401 #define FILE_ATTRIBUTE_NO_SCRUB_DATA            0x00020000
 402
 403 /* Oplock levels */
 404 #define SMB2_OPLOCK_LEVEL_NONE          0x00
 405 #define SMB2_OPLOCK_LEVEL_II            0x01
 406 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE     0x08
 407 #define SMB2_OPLOCK_LEVEL_BATCH         0x09
 408 #define SMB2_OPLOCK_LEVEL_LEASE         0xFF
 409 /* Non-spec internal type */
 410 #define SMB2_OPLOCK_LEVEL_NOCHANGE      0x99
 411
 412 /* Desired Access Flags */
 413 #define FILE_READ_DATA_LE               cpu_to_le32(0x00000001)
 414 #define FILE_WRITE_DATA_LE              cpu_to_le32(0x00000002)
 415 #define FILE_APPEND_DATA_LE             cpu_to_le32(0x00000004)
 416 #define FILE_READ_EA_LE                 cpu_to_le32(0x00000008)
 417 #define FILE_WRITE_EA_LE                cpu_to_le32(0x00000010)
 418 #define FILE_EXECUTE_LE                 cpu_to_le32(0x00000020)
 419 #define FILE_READ_ATTRIBUTES_LE         cpu_to_le32(0x00000080)
 420 #define FILE_WRITE_ATTRIBUTES_LE        cpu_to_le32(0x00000100)
 421 #define FILE_DELETE_LE                  cpu_to_le32(0x00010000)
 422 #define FILE_READ_CONTROL_LE            cpu_to_le32(0x00020000)
 423 #define FILE_WRITE_DAC_LE               cpu_to_le32(0x00040000)
 424 #define FILE_WRITE_OWNER_LE             cpu_to_le32(0x00080000)
 425 #define FILE_SYNCHRONIZE_LE             cpu_to_le32(0x00100000)
 426 #define FILE_ACCESS_SYSTEM_SECURITY_LE  cpu_to_le32(0x01000000)
 427 #define FILE_MAXIMAL_ACCESS_LE          cpu_to_le32(0x02000000)
 428 #define FILE_GENERIC_ALL_LE             cpu_to_le32(0x10000000)
 429 #define FILE_GENERIC_EXECUTE_LE         cpu_to_le32(0x20000000)
 430 #define FILE_GENERIC_WRITE_LE           cpu_to_le32(0x40000000)
 431 #define FILE_GENERIC_READ_LE            cpu_to_le32(0x80000000)
 432
 433 /* ShareAccess Flags */
 434 #define FILE_SHARE_READ_LE              cpu_to_le32(0x00000001)
 435 #define FILE_SHARE_WRITE_LE             cpu_to_le32(0x00000002)
 436 #define FILE_SHARE_DELETE_LE            cpu_to_le32(0x00000004)
 437 #define FILE_SHARE_ALL_LE               cpu_to_le32(0x00000007)
 438
 439 /* CreateDisposition Flags */
 440 #define FILE_SUPERSEDE_LE               cpu_to_le32(0x00000000)
 441 #define FILE_OPEN_LE                    cpu_to_le32(0x00000001)
 442 #define FILE_CREATE_LE                  cpu_to_le32(0x00000002)
 443 #define FILE_OPEN_IF_LE                 cpu_to_le32(0x00000003)
 444 #define FILE_OVERWRITE_LE               cpu_to_le32(0x00000004)
 445 #define FILE_OVERWRITE_IF_LE            cpu_to_le32(0x00000005)
 446
 447 /* CreateOptions Flags */
 448 #define FILE_DIRECTORY_FILE_LE          cpu_to_le32(0x00000001)
 449 /* same as #define CREATE_NOT_FILE_LE   cpu_to_le32(0x00000001) */
 450 #define FILE_WRITE_THROUGH_LE           cpu_to_le32(0x00000002)
 451 #define FILE_SEQUENTIAL_ONLY_LE         cpu_to_le32(0x00000004)
 452 #define FILE_NO_INTERMEDIATE_BUFFERRING_LE cpu_to_le32(0x00000008)
 453 #define FILE_SYNCHRONOUS_IO_ALERT_LE    cpu_to_le32(0x00000010)
 454 #define FILE_SYNCHRONOUS_IO_NON_ALERT_LE        cpu_to_le32(0x00000020)
 455 #define FILE_NON_DIRECTORY_FILE_LE      cpu_to_le32(0x00000040)
 456 #define FILE_COMPLETE_IF_OPLOCKED_LE    cpu_to_le32(0x00000100)
 457 #define FILE_NO_EA_KNOWLEDGE_LE         cpu_to_le32(0x00000200)
 458 #define FILE_RANDOM_ACCESS_LE           cpu_to_le32(0x00000800)
 459 #define FILE_DELETE_ON_CLOSE_LE         cpu_to_le32(0x00001000)
 460 #define FILE_OPEN_BY_FILE_ID_LE         cpu_to_le32(0x00002000)
 461 #define FILE_OPEN_FOR_BACKUP_INTENT_LE  cpu_to_le32(0x00004000)
 462 #define FILE_NO_COMPRESSION_LE          cpu_to_le32(0x00008000)
 463 #define FILE_RESERVE_OPFILTER_LE        cpu_to_le32(0x00100000)
 464 #define FILE_OPEN_REPARSE_POINT_LE      cpu_to_le32(0x00200000)
 465 #define FILE_OPEN_NO_RECALL_LE          cpu_to_le32(0x00400000)
 466 #define FILE_OPEN_FOR_FREE_SPACE_QUERY_LE cpu_to_le32(0x00800000)
 467
 468 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \
 469                         | FILE_READ_ATTRIBUTES_LE)
 470 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \
 471                         | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE)
 472 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE)
 473
 474 /* Impersonation Levels */
 475 #define IL_ANONYMOUS            cpu_to_le32(0x00000000)
 476 #define IL_IDENTIFICATION       cpu_to_le32(0x00000001)
 477 #define IL_IMPERSONATION        cpu_to_le32(0x00000002)
 478 #define IL_DELEGATE             cpu_to_le32(0x00000003)
 479
 480 /* Create Context Values */
 481 #define SMB2_CREATE_EA_BUFFER                   "ExtA" /* extended attributes */
 482 #define SMB2_CREATE_SD_BUFFER                   "SecD" /* security descriptor */
 483 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST      "DHnQ"
 484 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT    "DHnC"
 485 #define SMB2_CREATE_ALLOCATION_SIZE             "AISi"
 486 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc"
 487 #define SMB2_CREATE_TIMEWARP_REQUEST            "TWrp"
 488 #define SMB2_CREATE_QUERY_ON_DISK_ID            "QFid"
 489 #define SMB2_CREATE_REQUEST_LEASE               "RqLs"
 490 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2   "DH2Q"
 491 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C"
 492 #define SMB2_CREATE_APP_INSTANCE_ID     0x45BCA66AEFA7F74A9008FA462E144D74
 493 #define SVHDX_OPEN_DEVICE_CONTEXT       0x83CE6F1AD851E0986E34401CC9BCFCE9
 494
 495 struct smb2_create_req {
 496         struct smb2_hdr hdr;
 497         __le16 StructureSize;   /* Must be 57 */
 498         __u8   SecurityFlags;
 499         __u8   RequestedOplockLevel;
 500         __le32 ImpersonationLevel;
 501         __le64 SmbCreateFlags;
 502         __le64 Reserved;
 503         __le32 DesiredAccess;
 504         __le32 FileAttributes;
 505         __le32 ShareAccess;
 506         __le32 CreateDisposition;
 507         __le32 CreateOptions;
 508         __le16 NameOffset;
 509         __le16 NameLength;
 510         __le32 CreateContextsOffset;
 511         __le32 CreateContextsLength;
 512         __u8   Buffer[0];
 513 } __packed;
 514
 515 struct smb2_create_rsp {
 516         struct smb2_hdr hdr;
 517         __le16 StructureSize;   /* Must be 89 */
 518         __u8   OplockLevel;
 519         __u8   Reserved;
 520         __le32 CreateAction;
 521         __le64 CreationTime;
 522         __le64 LastAccessTime;
 523         __le64 LastWriteTime;
 524         __le64 ChangeTime;
 525         __le64 AllocationSize;
 526         __le64 EndofFile;
 527         __le32 FileAttributes;
 528         __le32 Reserved2;
 529         __u64  PersistentFileId; /* opaque endianness */
 530         __u64  VolatileFileId; /* opaque endianness */
 531         __le32 CreateContextsOffset;
 532         __le32 CreateContextsLength;
 533         __u8   Buffer[1];
 534 } __packed;
 535
 536 struct create_context {
 537         __le32 Next;
 538         __le16 NameOffset;
 539         __le16 NameLength;
 540         __le16 Reserved;
 541         __le16 DataOffset;
 542         __le32 DataLength;
 543         __u8 Buffer[0];
 544 } __packed;
 545
 546 #define SMB2_LEASE_READ_CACHING_HE      0x01
 547 #define SMB2_LEASE_HANDLE_CACHING_HE    0x02
 548 #define SMB2_LEASE_WRITE_CACHING_HE     0x04
 549
 550 #define SMB2_LEASE_NONE                 cpu_to_le32(0x00)
 551 #define SMB2_LEASE_READ_CACHING         cpu_to_le32(0x01)
 552 #define SMB2_LEASE_HANDLE_CACHING       cpu_to_le32(0x02)
 553 #define SMB2_LEASE_WRITE_CACHING        cpu_to_le32(0x04)
 554
 555 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS cpu_to_le32(0x02)
 556
 557 #define SMB2_LEASE_KEY_SIZE 16
 558
 559 struct lease_context {
 560         __le64 LeaseKeyLow;
 561         __le64 LeaseKeyHigh;
 562         __le32 LeaseState;
 563         __le32 LeaseFlags;
 564         __le64 LeaseDuration;
 565 } __packed;
 566
 567 struct lease_context_v2 {
 568         __le64 LeaseKeyLow;
 569         __le64 LeaseKeyHigh;
 570         __le32 LeaseState;
 571         __le32 LeaseFlags;
 572         __le64 LeaseDuration;
 573         __le64 ParentLeaseKeyLow;
 574         __le64 ParentLeaseKeyHigh;
 575         __le16 Epoch;
 576         __le16 Reserved;
 577 } __packed;
 578
 579 struct create_lease {
 580         struct create_context ccontext;
 581         __u8   Name[8];
 582         struct lease_context lcontext;
 583 } __packed;
 584
 585 struct create_lease_v2 {
 586         struct create_context ccontext;
 587         __u8   Name[8];
 588         struct lease_context_v2 lcontext;
 589         __u8   Pad[4];
 590 } __packed;
 591
 592 struct create_durable {
 593         struct create_context ccontext;
 594         __u8   Name[8];
 595         union {
 596                 __u8  Reserved[16];
 597                 struct {
 598                         __u64 PersistentFileId;
 599                         __u64 VolatileFileId;
 600                 } Fid;
 601         } Data;
 602 } __packed;
 603
 604 /* See MS-SMB2 2.2.13.2.11 */
 605 /* Flags */
 606 #define SMB2_DHANDLE_FLAG_PERSISTENT    0x00000002
 607 struct durable_context_v2 {
 608         __le32 Timeout;
 609         __le32 Flags;
 610         __u64 Reserved;
 611         __u8 CreateGuid[16];
 612 } __packed;
 613
 614 struct create_durable_v2 {
 615         struct create_context ccontext;
 616         __u8   Name[8];
 617         struct durable_context_v2 dcontext;
 618 } __packed;
 619
 620 /* See MS-SMB2 2.2.13.2.12 */
 621 struct durable_reconnect_context_v2 {
 622         struct {
 623                 __u64 PersistentFileId;
 624                 __u64 VolatileFileId;
 625         } Fid;
 626         __u8 CreateGuid[16];
 627         __le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
 628 } __packed;
 629
 630 /* See MS-SMB2 2.2.14.2.12 */
 631 struct durable_reconnect_context_v2_rsp {
 632         __le32 Timeout;
 633         __le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
 634 } __packed;
 635
 636 struct create_durable_handle_reconnect_v2 {
 637         struct create_context ccontext;
 638         __u8   Name[8];
 639         struct durable_reconnect_context_v2 dcontext;
 640 } __packed;
 641
 642 #define COPY_CHUNK_RES_KEY_SIZE 24
 643 struct resume_key_req {
 644         char ResumeKey[COPY_CHUNK_RES_KEY_SIZE];
 645         __le32  ContextLength;  /* MBZ */
 646         char    Context[0];     /* ignored, Windows sets to 4 bytes of zero */
 647 } __packed;
 648
 649 /* this goes in the ioctl buffer when doing a copychunk request */
 650 struct copychunk_ioctl {
 651         char SourceKey[COPY_CHUNK_RES_KEY_SIZE];
 652         __le32 ChunkCount; /* we are only sending 1 */
 653         __le32 Reserved;
 654         /* array will only be one chunk long for us */
 655         __le64 SourceOffset;
 656         __le64 TargetOffset;
 657         __le32 Length; /* how many bytes to copy */
 658         __u32 Reserved2;
 659 } __packed;
 660
 661 /* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */
 662 struct file_zero_data_information {
 663         __le64  FileOffset;
 664         __le64  BeyondFinalZero;
 665 } __packed;
 666
 667 struct copychunk_ioctl_rsp {
 668         __le32 ChunksWritten;
 669         __le32 ChunkBytesWritten;
 670         __le32 TotalBytesWritten;
 671 } __packed;
 672
 673 struct fsctl_set_integrity_information_req {
 674         __le16  ChecksumAlgorithm;
 675         __le16  Reserved;
 676         __le32  Flags;
 677 } __packed;
 678
 679 struct fsctl_get_integrity_information_rsp {
 680         __le16  ChecksumAlgorithm;
 681         __le16  Reserved;
 682         __le32  Flags;
 683         __le32  ChecksumChunkSizeInBytes;
 684         __le32  ClusterSizeInBytes;
 685 } __packed;
 686
 687 /* Integrity ChecksumAlgorithm choices for above */
 688 #define CHECKSUM_TYPE_NONE      0x0000
 689 #define CHECKSUM_TYPE_CRC64     0x0002
 690 #define CHECKSUM_TYPE_UNCHANGED 0xFFFF  /* set only */
 691
 692 /* Integrity flags for above */
 693 #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF   0x00000001
 694
 695 /* See MS-SMB2 2.2.31.3 */
 696 struct network_resiliency_req {
 697         __le32 Timeout;
 698         __le32 Reserved;
 699 } __packed;
 700 /* There is no buffer for the response ie no struct network_resiliency_rsp */
 701
 702
 703 struct validate_negotiate_info_req {
 704         __le32 Capabilities;
 705         __u8   Guid[SMB2_CLIENT_GUID_SIZE];
 706         __le16 SecurityMode;
 707         __le16 DialectCount;
 708         __le16 Dialects[1]; /* dialect (someday maybe list) client asked for */
 709 } __packed;
 710
 711 struct validate_negotiate_info_rsp {
 712         __le32 Capabilities;
 713         __u8   Guid[SMB2_CLIENT_GUID_SIZE];
 714         __le16 SecurityMode;
 715         __le16 Dialect; /* Dialect in use for the connection */
 716 } __packed;
 717
 718 #define RSS_CAPABLE     0x00000001
 719 #define RDMA_CAPABLE    0x00000002
 720
 721 struct network_interface_info_ioctl_rsp {
 722         __le32 Next; /* next interface. zero if this is last one */
 723         __le32 IfIndex;
 724         __le32 Capability; /* RSS or RDMA Capable */
 725         __le32 Reserved;
 726         __le64 LinkSpeed;
 727         char    SockAddr_Storage[128];
 728 } __packed;
 729
 730 #define NO_FILE_ID 0xFFFFFFFFFFFFFFFFULL /* general ioctls to srv not to file */
 731
 732 struct compress_ioctl {
 733         __le16 CompressionState; /* See cifspdu.h for possible flag values */
 734 } __packed;
 735
 736 struct duplicate_extents_to_file {
 737         __u64 PersistentFileHandle; /* source file handle, opaque endianness */
 738         __u64 VolatileFileHandle;
 739         __le64 SourceFileOffset;
 740         __le64 TargetFileOffset;
 741         __le64 ByteCount;  /* Bytes to be copied */
 742 } __packed;
 743
 744 struct smb2_ioctl_req {
 745         struct smb2_hdr hdr;
 746         __le16 StructureSize;   /* Must be 57 */
 747         __u16 Reserved;
 748         __le32 CtlCode;
 749         __u64  PersistentFileId; /* opaque endianness */
 750         __u64  VolatileFileId; /* opaque endianness */
 751         __le32 InputOffset;
 752         __le32 InputCount;
 753         __le32 MaxInputResponse;
 754         __le32 OutputOffset;
 755         __le32 OutputCount;
 756         __le32 MaxOutputResponse;
 757         __le32 Flags;
 758         __u32  Reserved2;
 759         __u8   Buffer[0];
 760 } __packed;
 761
 762 struct smb2_ioctl_rsp {
 763         struct smb2_hdr hdr;
 764         __le16 StructureSize;   /* Must be 57 */
 765         __u16 Reserved;
 766         __le32 CtlCode;
 767         __u64  PersistentFileId; /* opaque endianness */
 768         __u64  VolatileFileId; /* opaque endianness */
 769         __le32 InputOffset;
 770         __le32 InputCount;
 771         __le32 OutputOffset;
 772         __le32 OutputCount;
 773         __le32 Flags;
 774         __u32  Reserved2;
 775         /* char * buffer[] */
 776 } __packed;
 777
 778 /* Currently defined values for close flags */
 779 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB        cpu_to_le16(0x0001)
 780 struct smb2_close_req {
 781         struct smb2_hdr hdr;
 782         __le16 StructureSize;   /* Must be 24 */
 783         __le16 Flags;
 784         __le32 Reserved;
 785         __u64  PersistentFileId; /* opaque endianness */
 786         __u64  VolatileFileId; /* opaque endianness */
 787 } __packed;
 788
 789 struct smb2_close_rsp {
 790         struct smb2_hdr hdr;
 791         __le16 StructureSize; /* 60 */
 792         __le16 Flags;
 793         __le32 Reserved;
 794         __le64 CreationTime;
 795         __le64 LastAccessTime;
 796         __le64 LastWriteTime;
 797         __le64 ChangeTime;
 798         __le64 AllocationSize;  /* Beginning of FILE_STANDARD_INFO equivalent */
 799         __le64 EndOfFile;
 800         __le32 Attributes;
 801 } __packed;
 802
 803 struct smb2_flush_req {
 804         struct smb2_hdr hdr;
 805         __le16 StructureSize;   /* Must be 24 */
 806         __le16 Reserved1;
 807         __le32 Reserved2;
 808         __u64  PersistentFileId; /* opaque endianness */
 809         __u64  VolatileFileId; /* opaque endianness */
 810 } __packed;
 811
 812 struct smb2_flush_rsp {
 813         struct smb2_hdr hdr;
 814         __le16 StructureSize;
 815         __le16 Reserved;
 816 } __packed;
 817
 818 /* For read request Flags field below, following flag is defined for SMB3.02 */
 819 #define SMB2_READFLAG_READ_UNBUFFERED   0x01
 820
 821 /* Channel field for read and write: exactly one of following flags can be set*/
 822 #define SMB2_CHANNEL_NONE               0x00000000
 823 #define SMB2_CHANNEL_RDMA_V1            0x00000001 /* SMB3 or later */
 824 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE 0x00000001 /* SMB3.02 or later */
 825
 826 /* SMB2 read request without RFC1001 length at the beginning */
 827 struct smb2_read_plain_req {
 828         struct smb2_sync_hdr sync_hdr;
 829         __le16 StructureSize; /* Must be 49 */
 830         __u8   Padding; /* offset from start of SMB2 header to place read */
 831         __u8   Flags; /* MBZ unless SMB3.02 or later */
 832         __le32 Length;
 833         __le64 Offset;
 834         __u64  PersistentFileId; /* opaque endianness */
 835         __u64  VolatileFileId; /* opaque endianness */
 836         __le32 MinimumCount;
 837         __le32 Channel; /* MBZ except for SMB3 or later */
 838         __le32 RemainingBytes;
 839         __le16 ReadChannelInfoOffset; /* Reserved MBZ */
 840         __le16 ReadChannelInfoLength; /* Reserved MBZ */
 841         __u8   Buffer[1];
 842 } __packed;
 843
 844 struct smb2_read_rsp {
 845         struct smb2_hdr hdr;
 846         __le16 StructureSize; /* Must be 17 */
 847         __u8   DataOffset;
 848         __u8   Reserved;
 849         __le32 DataLength;
 850         __le32 DataRemaining;
 851         __u32  Reserved2;
 852         __u8   Buffer[1];
 853 } __packed;
 854
 855 /* For write request Flags field below the following flags are defined: */
 856 #define SMB2_WRITEFLAG_WRITE_THROUGH    0x00000001      /* SMB2.1 or later */
 857 #define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002      /* SMB3.02 or later */
 858
 859 struct smb2_write_req {
 860         struct smb2_hdr hdr;
 861         __le16 StructureSize; /* Must be 49 */
 862         __le16 DataOffset; /* offset from start of SMB2 header to write data */
 863         __le32 Length;
 864         __le64 Offset;
 865         __u64  PersistentFileId; /* opaque endianness */
 866         __u64  VolatileFileId; /* opaque endianness */
 867         __le32 Channel; /* Reserved MBZ */
 868         __le32 RemainingBytes;
 869         __le16 WriteChannelInfoOffset; /* Reserved MBZ */
 870         __le16 WriteChannelInfoLength; /* Reserved MBZ */
 871         __le32 Flags;
 872         __u8   Buffer[1];
 873 } __packed;
 874
 875 struct smb2_write_rsp {
 876         struct smb2_hdr hdr;
 877         __le16 StructureSize; /* Must be 17 */
 878         __u8   DataOffset;
 879         __u8   Reserved;
 880         __le32 DataLength;
 881         __le32 DataRemaining;
 882         __u32  Reserved2;
 883         __u8   Buffer[1];
 884 } __packed;
 885
 886 #define SMB2_LOCKFLAG_SHARED_LOCK       0x0001
 887 #define SMB2_LOCKFLAG_EXCLUSIVE_LOCK    0x0002
 888 #define SMB2_LOCKFLAG_UNLOCK            0x0004
 889 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY  0x0010
 890
 891 struct smb2_lock_element {
 892         __le64 Offset;
 893         __le64 Length;
 894         __le32 Flags;
 895         __le32 Reserved;
 896 } __packed;
 897
 898 struct smb2_lock_req {
 899         struct smb2_hdr hdr;
 900         __le16 StructureSize; /* Must be 48 */
 901         __le16 LockCount;
 902         __le32 Reserved;
 903         __u64  PersistentFileId; /* opaque endianness */
 904         __u64  VolatileFileId; /* opaque endianness */
 905         /* Followed by at least one */
 906         struct smb2_lock_element locks[1];
 907 } __packed;
 908
 909 struct smb2_lock_rsp {
 910         struct smb2_hdr hdr;
 911         __le16 StructureSize; /* Must be 4 */
 912         __le16 Reserved;
 913 } __packed;
 914
 915 struct smb2_echo_req {
 916         struct smb2_hdr hdr;
 917         __le16 StructureSize;   /* Must be 4 */
 918         __u16  Reserved;
 919 } __packed;
 920
 921 struct smb2_echo_rsp {
 922         struct smb2_hdr hdr;
 923         __le16 StructureSize;   /* Must be 4 */
 924         __u16  Reserved;
 925 } __packed;
 926
 927 /* search (query_directory) Flags field */
 928 #define SMB2_RESTART_SCANS              0x01
 929 #define SMB2_RETURN_SINGLE_ENTRY        0x02
 930 #define SMB2_INDEX_SPECIFIED            0x04
 931 #define SMB2_REOPEN                     0x10
 932
 933 struct smb2_query_directory_req {
 934         struct smb2_hdr hdr;
 935         __le16 StructureSize; /* Must be 33 */
 936         __u8   FileInformationClass;
 937         __u8   Flags;
 938         __le32 FileIndex;
 939         __u64  PersistentFileId; /* opaque endianness */
 940         __u64  VolatileFileId; /* opaque endianness */
 941         __le16 FileNameOffset;
 942         __le16 FileNameLength;
 943         __le32 OutputBufferLength;
 944         __u8   Buffer[1];
 945 } __packed;
 946
 947 struct smb2_query_directory_rsp {
 948         struct smb2_hdr hdr;
 949         __le16 StructureSize; /* Must be 9 */
 950         __le16 OutputBufferOffset;
 951         __le32 OutputBufferLength;
 952         __u8   Buffer[1];
 953 } __packed;
 954
 955 /* Possible InfoType values */
 956 #define SMB2_O_INFO_FILE        0x01
 957 #define SMB2_O_INFO_FILESYSTEM  0x02
 958 #define SMB2_O_INFO_SECURITY    0x03
 959 #define SMB2_O_INFO_QUOTA       0x04
 960
 961 /* Security info type additionalinfo flags. See MS-SMB2 (2.2.37) or MS-DTYP */
 962 #define OWNER_SECINFO   0x00000001
 963 #define GROUP_SECINFO   0x00000002
 964 #define DACL_SECINFO   0x00000004
 965 #define SACL_SECINFO   0x00000008
 966 #define LABEL_SECINFO   0x00000010
 967 #define ATTRIBUTE_SECINFO   0x00000020
 968 #define SCOPE_SECINFO   0x00000040
 969 #define BACKUP_SECINFO   0x00010000
 970 #define UNPROTECTED_SACL_SECINFO   0x10000000
 971 #define UNPROTECTED_DACL_SECINFO   0x20000000
 972 #define PROTECTED_SACL_SECINFO   0x40000000
 973 #define PROTECTED_DACL_SECINFO   0x80000000
 974
 975 /* Flags used for FileFullEAinfo */
 976 #define SL_RESTART_SCAN         0x00000001
 977 #define SL_RETURN_SINGLE_ENTRY  0x00000002
 978 #define SL_INDEX_SPECIFIED      0x00000004
 979
 980 struct smb2_query_info_req {
 981         struct smb2_hdr hdr;
 982         __le16 StructureSize; /* Must be 41 */
 983         __u8   InfoType;
 984         __u8   FileInfoClass;
 985         __le32 OutputBufferLength;
 986         __le16 InputBufferOffset;
 987         __u16  Reserved;
 988         __le32 InputBufferLength;
 989         __le32 AdditionalInformation;
 990         __le32 Flags;
 991         __u64  PersistentFileId; /* opaque endianness */
 992         __u64  VolatileFileId; /* opaque endianness */
 993         __u8   Buffer[1];
 994 } __packed;
 995
 996 struct smb2_query_info_rsp {
 997         struct smb2_hdr hdr;
 998         __le16 StructureSize; /* Must be 9 */
 999         __le16 OutputBufferOffset;
1000         __le32 OutputBufferLength;
1001         __u8   Buffer[1];
1002 } __packed;
1003
1004 struct smb2_set_info_req {
1005         struct smb2_hdr hdr;
1006         __le16 StructureSize; /* Must be 33 */
1007         __u8   InfoType;
1008         __u8   FileInfoClass;
1009         __le32 BufferLength;
1010         __le16 BufferOffset;
1011         __u16  Reserved;
1012         __le32 AdditionalInformation;
1013         __u64  PersistentFileId; /* opaque endianness */
1014         __u64  VolatileFileId; /* opaque endianness */
1015         __u8   Buffer[1];
1016 } __packed;
1017
1018 struct smb2_set_info_rsp {
1019         struct smb2_hdr hdr;
1020         __le16 StructureSize; /* Must be 2 */
1021 } __packed;
1022
1023 struct smb2_oplock_break {
1024         struct smb2_hdr hdr;
1025         __le16 StructureSize; /* Must be 24 */
1026         __u8   OplockLevel;
1027         __u8   Reserved;
1028         __le32 Reserved2;
1029         __u64  PersistentFid;
1030         __u64  VolatileFid;
1031 } __packed;
1032
1033 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01)
1034
1035 struct smb2_lease_break {
1036         struct smb2_hdr hdr;
1037         __le16 StructureSize; /* Must be 44 */
1038         __le16 Reserved;
1039         __le32 Flags;
1040         __u8   LeaseKey[16];
1041         __le32 CurrentLeaseState;
1042         __le32 NewLeaseState;
1043         __le32 BreakReason;
1044         __le32 AccessMaskHint;
1045         __le32 ShareMaskHint;
1046 } __packed;
1047
1048 struct smb2_lease_ack {
1049         struct smb2_hdr hdr;
1050         __le16 StructureSize; /* Must be 36 */
1051         __le16 Reserved;
1052         __le32 Flags;
1053         __u8   LeaseKey[16];
1054         __le32 LeaseState;
1055         __le64 LeaseDuration;
1056 } __packed;
1057
1058 /*
1059  *      PDU infolevel structure definitions
1060  *      BB consider moving to a different header
1061  */
1062
1063 /* File System Information Classes */
1064 #define FS_VOLUME_INFORMATION           1 /* Query */
1065 #define FS_LABEL_INFORMATION            2 /* Local only */
1066 #define FS_SIZE_INFORMATION             3 /* Query */
1067 #define FS_DEVICE_INFORMATION           4 /* Query */
1068 #define FS_ATTRIBUTE_INFORMATION        5 /* Query */
1069 #define FS_CONTROL_INFORMATION          6 /* Query, Set */
1070 #define FS_FULL_SIZE_INFORMATION        7 /* Query */
1071 #define FS_OBJECT_ID_INFORMATION        8 /* Query, Set */
1072 #define FS_DRIVER_PATH_INFORMATION      9 /* Local only */
1073 #define FS_VOLUME_FLAGS_INFORMATION     10 /* Local only */
1074 #define FS_SECTOR_SIZE_INFORMATION      11 /* SMB3 or later. Query */
1075
1076 struct smb2_fs_full_size_info {
1077         __le64 TotalAllocationUnits;
1078         __le64 CallerAvailableAllocationUnits;
1079         __le64 ActualAvailableAllocationUnits;
1080         __le32 SectorsPerAllocationUnit;
1081         __le32 BytesPerSector;
1082 } __packed;
1083
1084 #define SSINFO_FLAGS_ALIGNED_DEVICE             0x00000001
1085 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002
1086 #define SSINFO_FLAGS_NO_SEEK_PENALTY            0x00000004
1087 #define SSINFO_FLAGS_TRIM_ENABLED               0x00000008
1088
1089 /* sector size info struct */
1090 struct smb3_fs_ss_info {
1091         __le32 LogicalBytesPerSector;
1092         __le32 PhysicalBytesPerSectorForAtomicity;
1093         __le32 PhysicalBytesPerSectorForPerf;
1094         __le32 FileSystemEffectivePhysicalBytesPerSectorForAtomicity;
1095         __le32 Flags;
1096         __le32 ByteOffsetForSectorAlignment;
1097         __le32 ByteOffsetForPartitionAlignment;
1098 } __packed;
1099
1100 /* partial list of QUERY INFO levels */
1101 #define FILE_DIRECTORY_INFORMATION      1
1102 #define FILE_FULL_DIRECTORY_INFORMATION 2
1103 #define FILE_BOTH_DIRECTORY_INFORMATION 3
1104 #define FILE_BASIC_INFORMATION          4
1105 #define FILE_STANDARD_INFORMATION       5
1106 #define FILE_INTERNAL_INFORMATION       6
1107 #define FILE_EA_INFORMATION             7
1108 #define FILE_ACCESS_INFORMATION         8
1109 #define FILE_NAME_INFORMATION           9
1110 #define FILE_RENAME_INFORMATION         10
1111 #define FILE_LINK_INFORMATION           11
1112 #define FILE_NAMES_INFORMATION          12
1113 #define FILE_DISPOSITION_INFORMATION    13
1114 #define FILE_POSITION_INFORMATION       14
1115 #define FILE_FULL_EA_INFORMATION        15
1116 #define FILE_MODE_INFORMATION           16
1117 #define FILE_ALIGNMENT_INFORMATION      17
1118 #define FILE_ALL_INFORMATION            18
1119 #define FILE_ALLOCATION_INFORMATION     19
1120 #define FILE_END_OF_FILE_INFORMATION    20
1121 #define FILE_ALTERNATE_NAME_INFORMATION 21
1122 #define FILE_STREAM_INFORMATION         22
1123 #define FILE_PIPE_INFORMATION           23
1124 #define FILE_PIPE_LOCAL_INFORMATION     24
1125 #define FILE_PIPE_REMOTE_INFORMATION    25
1126 #define FILE_MAILSLOT_QUERY_INFORMATION 26
1127 #define FILE_MAILSLOT_SET_INFORMATION   27
1128 #define FILE_COMPRESSION_INFORMATION    28
1129 #define FILE_OBJECT_ID_INFORMATION      29
1130 /* Number 30 not defined in documents */
1131 #define FILE_MOVE_CLUSTER_INFORMATION   31
1132 #define FILE_QUOTA_INFORMATION          32
1133 #define FILE_REPARSE_POINT_INFORMATION  33
1134 #define FILE_NETWORK_OPEN_INFORMATION   34
1135 #define FILE_ATTRIBUTE_TAG_INFORMATION  35
1136 #define FILE_TRACKING_INFORMATION       36
1137 #define FILEID_BOTH_DIRECTORY_INFORMATION 37
1138 #define FILEID_FULL_DIRECTORY_INFORMATION 38
1139 #define FILE_VALID_DATA_LENGTH_INFORMATION 39
1140 #define FILE_SHORT_NAME_INFORMATION     40
1141 #define FILE_SFIO_RESERVE_INFORMATION   44
1142 #define FILE_SFIO_VOLUME_INFORMATION    45
1143 #define FILE_HARD_LINK_INFORMATION      46
1144 #define FILE_NORMALIZED_NAME_INFORMATION 48
1145 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50
1146 #define FILE_STANDARD_LINK_INFORMATION  54
1147
1148 struct smb2_file_internal_info {
1149         __le64 IndexNumber;
1150 } __packed; /* level 6 Query */
1151
1152 struct smb2_file_rename_info { /* encoding of request for level 10 */
1153         __u8   ReplaceIfExists; /* 1 = replace existing target with new */
1154                                 /* 0 = fail if target already exists */
1155         __u8   Reserved[7];
1156         __u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
1157         __le32 FileNameLength;
1158         char   FileName[0];     /* New name to be assigned */
1159 } __packed; /* level 10 Set */
1160
1161 struct smb2_file_link_info { /* encoding of request for level 11 */
1162         __u8   ReplaceIfExists; /* 1 = replace existing link with new */
1163                                 /* 0 = fail if link already exists */
1164         __u8   Reserved[7];
1165         __u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
1166         __le32 FileNameLength;
1167         char   FileName[0];     /* Name to be assigned to new link */
1168 } __packed; /* level 11 Set */
1169
1170 /*
1171  * This level 18, although with struct with same name is different from cifs
1172  * level 0x107. Level 0x107 has an extra u64 between AccessFlags and
1173  * CurrentByteOffset.
1174  */
1175 struct smb2_file_all_info { /* data block encoding of response to level 18 */
1176         __le64 CreationTime;    /* Beginning of FILE_BASIC_INFO equivalent */
1177         __le64 LastAccessTime;
1178         __le64 LastWriteTime;
1179         __le64 ChangeTime;
1180         __le32 Attributes;
1181         __u32  Pad1;            /* End of FILE_BASIC_INFO_INFO equivalent */
1182         __le64 AllocationSize;  /* Beginning of FILE_STANDARD_INFO equivalent */
1183         __le64 EndOfFile;       /* size ie offset to first free byte in file */
1184         __le32 NumberOfLinks;   /* hard links */
1185         __u8   DeletePending;
1186         __u8   Directory;
1187         __u16  Pad2;            /* End of FILE_STANDARD_INFO equivalent */
1188         __le64 IndexNumber;
1189         __le32 EASize;
1190         __le32 AccessFlags;
1191         __le64 CurrentByteOffset;
1192         __le32 Mode;
1193         __le32 AlignmentRequirement;
1194         __le32 FileNameLength;
1195         char   FileName[1];
1196 } __packed; /* level 18 Query */
1197
1198 struct smb2_file_eof_info { /* encoding of request for level 10 */
1199         __le64 EndOfFile; /* new end of file value */
1200 } __packed; /* level 20 Set */
1201
1202 #endif                          /* _SMB2PDU_H */