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 #include <cifsacl.h>
  29
  30 /*
  31  * Note that, due to trying to use names similar to the protocol specifications,
  32  * there are many mixed case field names in the structures below.  Although
  33  * this does not match typical Linux kernel style, it is necessary to be
  34  * be able to match against the protocol specfication.
  35  *
  36  * SMB2 commands
  37  * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses
  38  * (ie no useful data other than the SMB error code itself) and are marked such.
  39  * Knowing this helps avoid response buffer allocations and copy in some cases.
  40  */
  41
  42 /* List of commands in host endian */
  43 #define SMB2_NEGOTIATE_HE       0x0000
  44 #define SMB2_SESSION_SETUP_HE   0x0001
  45 #define SMB2_LOGOFF_HE          0x0002 /* trivial request/resp */
  46 #define SMB2_TREE_CONNECT_HE    0x0003
  47 #define SMB2_TREE_DISCONNECT_HE 0x0004 /* trivial req/resp */
  48 #define SMB2_CREATE_HE          0x0005
  49 #define SMB2_CLOSE_HE           0x0006
  50 #define SMB2_FLUSH_HE           0x0007 /* trivial resp */
  51 #define SMB2_READ_HE            0x0008
  52 #define SMB2_WRITE_HE           0x0009
  53 #define SMB2_LOCK_HE            0x000A
  54 #define SMB2_IOCTL_HE           0x000B
  55 #define SMB2_CANCEL_HE          0x000C
  56 #define SMB2_ECHO_HE            0x000D
  57 #define SMB2_QUERY_DIRECTORY_HE 0x000E
  58 #define SMB2_CHANGE_NOTIFY_HE   0x000F
  59 #define SMB2_QUERY_INFO_HE      0x0010
  60 #define SMB2_SET_INFO_HE        0x0011
  61 #define SMB2_OPLOCK_BREAK_HE    0x0012
  62
  63 /* The same list in little endian */
  64 #define SMB2_NEGOTIATE          cpu_to_le16(SMB2_NEGOTIATE_HE)
  65 #define SMB2_SESSION_SETUP      cpu_to_le16(SMB2_SESSION_SETUP_HE)
  66 #define SMB2_LOGOFF             cpu_to_le16(SMB2_LOGOFF_HE)
  67 #define SMB2_TREE_CONNECT       cpu_to_le16(SMB2_TREE_CONNECT_HE)
  68 #define SMB2_TREE_DISCONNECT    cpu_to_le16(SMB2_TREE_DISCONNECT_HE)
  69 #define SMB2_CREATE             cpu_to_le16(SMB2_CREATE_HE)
  70 #define SMB2_CLOSE              cpu_to_le16(SMB2_CLOSE_HE)
  71 #define SMB2_FLUSH              cpu_to_le16(SMB2_FLUSH_HE)
  72 #define SMB2_READ               cpu_to_le16(SMB2_READ_HE)
  73 #define SMB2_WRITE              cpu_to_le16(SMB2_WRITE_HE)
  74 #define SMB2_LOCK               cpu_to_le16(SMB2_LOCK_HE)
  75 #define SMB2_IOCTL              cpu_to_le16(SMB2_IOCTL_HE)
  76 #define SMB2_CANCEL             cpu_to_le16(SMB2_CANCEL_HE)
  77 #define SMB2_ECHO               cpu_to_le16(SMB2_ECHO_HE)
  78 #define SMB2_QUERY_DIRECTORY    cpu_to_le16(SMB2_QUERY_DIRECTORY_HE)
  79 #define SMB2_CHANGE_NOTIFY      cpu_to_le16(SMB2_CHANGE_NOTIFY_HE)
  80 #define SMB2_QUERY_INFO         cpu_to_le16(SMB2_QUERY_INFO_HE)
  81 #define SMB2_SET_INFO           cpu_to_le16(SMB2_SET_INFO_HE)
  82 #define SMB2_OPLOCK_BREAK       cpu_to_le16(SMB2_OPLOCK_BREAK_HE)
  83
  84 #define SMB2_INTERNAL_CMD       cpu_to_le16(0xFFFF)
  85
  86 #define NUMBER_OF_SMB2_COMMANDS 0x0013
  87
  88 /* 52 transform hdr + 64 hdr + 88 create rsp */
  89 #define SMB2_TRANSFORM_HEADER_SIZE 52
  90 #define MAX_SMB2_HDR_SIZE 204
  91
  92 #define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe)
  93 #define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd)
  94 #define SMB2_COMPRESSION_TRANSFORM_ID cpu_to_le32(0x424d53fc)
  95
  96 /*
  97  * SMB2 Header Definition
  98  *
  99  * "MBZ" :  Must be Zero
 100  * "BB"  :  BugBug, Something to check/review/analyze later
 101  * "PDU" :  "Protocol Data Unit" (ie a network "frame")
 102  *
 103  */
 104
 105 #define SMB2_HEADER_STRUCTURE_SIZE cpu_to_le16(64)
 106
 107 struct smb2_sync_hdr {
 108         __le32 ProtocolId;      /* 0xFE 'S' 'M' 'B' */
 109         __le16 StructureSize;   /* 64 */
 110         __le16 CreditCharge;    /* MBZ */
 111         __le32 Status;          /* Error from server */
 112         __le16 Command;
 113         __le16 CreditRequest;  /* CreditResponse */
 114         __le32 Flags;
 115         __le32 NextCommand;
 116         __le64 MessageId;
 117         __le32 ProcessId;
 118         __u32  TreeId;          /* opaque - so do not make little endian */
 119         __u64  SessionId;       /* opaque - so do not make little endian */
 120         __u8   Signature[16];
 121 } __packed;
 122
 123 /* The total header size for SMB2 read and write */
 124 #define SMB2_READWRITE_PDU_HEADER_SIZE (48 + sizeof(struct smb2_sync_hdr))
 125
 126 struct smb2_sync_pdu {
 127         struct smb2_sync_hdr sync_hdr;
 128         __le16 StructureSize2; /* size of wct area (varies, request specific) */
 129 } __packed;
 130
 131 #define SMB3_AES128CCM_NONCE 11
 132 #define SMB3_AES128GCM_NONCE 12
 133
 134 /* Transform flags (for 3.0 dialect this flag indicates CCM */
 135 #define TRANSFORM_FLAG_ENCRYPTED        0x0001
 136 struct smb2_transform_hdr {
 137         __le32 ProtocolId;      /* 0xFD 'S' 'M' 'B' */
 138         __u8   Signature[16];
 139         __u8   Nonce[16];
 140         __le32 OriginalMessageSize;
 141         __u16  Reserved1;
 142         __le16 Flags; /* EncryptionAlgorithm for 3.0, enc enabled for 3.1.1 */
 143         __u64  SessionId;
 144 } __packed;
 145
 146 /* See MS-SMB2 2.2.42 */
 147 struct smb2_compression_transform_hdr {
 148         __le32 ProtocolId;      /* 0xFC 'S' 'M' 'B' */
 149         __le32 OriginalCompressedSegmentSize;
 150         __le16 CompressionAlgorithm;
 151         __le16 Flags;
 152         __le16 Length; /* if chained it is length, else offset */
 153 } __packed;
 154
 155 /* See MS-SMB2 2.2.42.1 */
 156 struct compression_payload_header {
 157         __le16  AlgorithmId;
 158         __le16  Reserved;
 159         __le32  Length;
 160 } __packed;
 161
 162 /* See MS-SMB2 2.2.42.2 */
 163 struct compression_pattern_payload_v1 {
 164         __le16  Pattern;
 165         __le16  Reserved1;
 166         __le16  Reserved2;
 167         __le32  Repetitions;
 168 } __packed;
 169
 170 /*
 171  *      SMB2 flag definitions
 172  */
 173 #define SMB2_FLAGS_SERVER_TO_REDIR      cpu_to_le32(0x00000001)
 174 #define SMB2_FLAGS_ASYNC_COMMAND        cpu_to_le32(0x00000002)
 175 #define SMB2_FLAGS_RELATED_OPERATIONS   cpu_to_le32(0x00000004)
 176 #define SMB2_FLAGS_SIGNED               cpu_to_le32(0x00000008)
 177 #define SMB2_FLAGS_PRIORITY_MASK        cpu_to_le32(0x00000070) /* SMB3.1.1 */
 178 #define SMB2_FLAGS_DFS_OPERATIONS       cpu_to_le32(0x10000000)
 179 #define SMB2_FLAGS_REPLAY_OPERATION     cpu_to_le32(0x20000000) /* SMB3 & up */
 180
 181 /*
 182  *      Definitions for SMB2 Protocol Data Units (network frames)
 183  *
 184  *  See MS-SMB2.PDF specification for protocol details.
 185  *  The Naming convention is the lower case version of the SMB2
 186  *  command code name for the struct. Note that structures must be packed.
 187  *
 188  */
 189
 190 #define COMPOUND_FID 0xFFFFFFFFFFFFFFFFULL
 191
 192 #define SMB2_ERROR_STRUCTURE_SIZE2 cpu_to_le16(9)
 193
 194 struct smb2_err_rsp {
 195         struct smb2_sync_hdr sync_hdr;
 196         __le16 StructureSize;
 197         __le16 Reserved; /* MBZ */
 198         __le32 ByteCount;  /* even if zero, at least one byte follows */
 199         __u8   ErrorData[1];  /* variable length */
 200 } __packed;
 201
 202 #define SYMLINK_ERROR_TAG 0x4c4d5953
 203
 204 struct smb2_symlink_err_rsp {
 205         __le32 SymLinkLength;
 206         __le32 SymLinkErrorTag;
 207         __le32 ReparseTag;
 208         __le16 ReparseDataLength;
 209         __le16 UnparsedPathLength;
 210         __le16 SubstituteNameOffset;
 211         __le16 SubstituteNameLength;
 212         __le16 PrintNameOffset;
 213         __le16 PrintNameLength;
 214         __le32 Flags;
 215         __u8  PathBuffer[];
 216 } __packed;
 217
 218 /* SMB 3.1.1 and later dialects. See MS-SMB2 section 2.2.2.1 */
 219 struct smb2_error_context_rsp {
 220         __le32 ErrorDataLength;
 221         __le32 ErrorId;
 222         __u8  ErrorContextData; /* ErrorDataLength long array */
 223 } __packed;
 224
 225 /* ErrorId values */
 226 #define SMB2_ERROR_ID_DEFAULT           0x00000000
 227 #define SMB2_ERROR_ID_SHARE_REDIRECT    cpu_to_le32(0x72645253) /* "rdRS" */
 228
 229 /* Defines for Type field below (see MS-SMB2 2.2.2.2.2.1) */
 230 #define MOVE_DST_IPADDR_V4      cpu_to_le32(0x00000001)
 231 #define MOVE_DST_IPADDR_V6      cpu_to_le32(0x00000002)
 232
 233 struct move_dst_ipaddr {
 234         __le32 Type;
 235         __u32  Reserved;
 236         __u8   address[16]; /* IPv4 followed by 12 bytes rsvd or IPv6 address */
 237 } __packed;
 238
 239 struct share_redirect_error_context_rsp {
 240         __le32 StructureSize;
 241         __le32 NotificationType;
 242         __le32 ResourceNameOffset;
 243         __le32 ResourceNameLength;
 244         __le16 Flags;
 245         __le16 TargetType;
 246         __le32 IPAddrCount;
 247         struct move_dst_ipaddr IpAddrMoveList[];
 248         /* __u8 ResourceName[] */ /* Name of share as counted Unicode string */
 249 } __packed;
 250
 251 #define SMB2_CLIENT_GUID_SIZE 16
 252
 253 struct smb2_negotiate_req {
 254         struct smb2_sync_hdr sync_hdr;
 255         __le16 StructureSize; /* Must be 36 */
 256         __le16 DialectCount;
 257         __le16 SecurityMode;
 258         __le16 Reserved;        /* MBZ */
 259         __le32 Capabilities;
 260         __u8   ClientGUID[SMB2_CLIENT_GUID_SIZE];
 261         /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */
 262         __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */
 263         __le16 NegotiateContextCount;  /* SMB3.1.1 only. MBZ earlier */
 264         __le16 Reserved2;
 265         __le16 Dialects[1]; /* One dialect (vers=) at a time for now */
 266 } __packed;
 267
 268 /* Dialects */
 269 #define SMB10_PROT_ID 0x0000 /* local only, not sent on wire w/CIFS negprot */
 270 #define SMB20_PROT_ID 0x0202
 271 #define SMB21_PROT_ID 0x0210
 272 #define SMB30_PROT_ID 0x0300
 273 #define SMB302_PROT_ID 0x0302
 274 #define SMB311_PROT_ID 0x0311
 275 #define BAD_PROT_ID   0xFFFF
 276
 277 /* SecurityMode flags */
 278 #define SMB2_NEGOTIATE_SIGNING_ENABLED  0x0001
 279 #define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002
 280 #define SMB2_SEC_MODE_FLAGS_ALL         0x0003
 281
 282 /* Capabilities flags */
 283 #define SMB2_GLOBAL_CAP_DFS             0x00000001
 284 #define SMB2_GLOBAL_CAP_LEASING         0x00000002 /* Resp only New to SMB2.1 */
 285 #define SMB2_GLOBAL_CAP_LARGE_MTU       0X00000004 /* Resp only New to SMB2.1 */
 286 #define SMB2_GLOBAL_CAP_MULTI_CHANNEL   0x00000008 /* New to SMB3 */
 287 #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */
 288 #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING  0x00000020 /* New to SMB3 */
 289 #define SMB2_GLOBAL_CAP_ENCRYPTION      0x00000040 /* New to SMB3 */
 290 /* Internal types */
 291 #define SMB2_NT_FIND                    0x00100000
 292 #define SMB2_LARGE_FILES                0x00200000
 293
 294
 295 /* Negotiate Contexts - ContextTypes. See MS-SMB2 section 2.2.3.1 for details */
 296 #define SMB2_PREAUTH_INTEGRITY_CAPABILITIES     cpu_to_le16(1)
 297 #define SMB2_ENCRYPTION_CAPABILITIES            cpu_to_le16(2)
 298 #define SMB2_COMPRESSION_CAPABILITIES           cpu_to_le16(3)
 299 #define SMB2_NETNAME_NEGOTIATE_CONTEXT_ID       cpu_to_le16(5)
 300 #define SMB2_POSIX_EXTENSIONS_AVAILABLE         cpu_to_le16(0x100)
 301
 302 struct smb2_neg_context {
 303         __le16  ContextType;
 304         __le16  DataLength;
 305         __le32  Reserved;
 306         /* Followed by array of data */
 307 } __packed;
 308
 309 #define SMB311_SALT_SIZE                        32
 310 /* Hash Algorithm Types */
 311 #define SMB2_PREAUTH_INTEGRITY_SHA512   cpu_to_le16(0x0001)
 312 #define SMB2_PREAUTH_HASH_SIZE 64
 313
 314 #define MIN_PREAUTH_CTXT_DATA_LEN       (SMB311_SALT_SIZE + 6)
 315 struct smb2_preauth_neg_context {
 316         __le16  ContextType; /* 1 */
 317         __le16  DataLength;
 318         __le32  Reserved;
 319         __le16  HashAlgorithmCount; /* 1 */
 320         __le16  SaltLength;
 321         __le16  HashAlgorithms; /* HashAlgorithms[0] since only one defined */
 322         __u8    Salt[SMB311_SALT_SIZE];
 323 } __packed;
 324
 325 /* Encryption Algorithms Ciphers */
 326 #define SMB2_ENCRYPTION_AES128_CCM      cpu_to_le16(0x0001)
 327 #define SMB2_ENCRYPTION_AES128_GCM      cpu_to_le16(0x0002)
 328
 329 /* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */
 330 #define MIN_ENCRYPT_CTXT_DATA_LEN       4
 331 struct smb2_encryption_neg_context {
 332         __le16  ContextType; /* 2 */
 333         __le16  DataLength;
 334         __le32  Reserved;
 335         __le16  CipherCount; /* AES-128-GCM and AES-128-CCM */
 336         __le16  Ciphers[2];
 337 } __packed;
 338
 339 /* See MS-SMB2 2.2.3.1.3 */
 340 #define SMB3_COMPRESS_NONE      cpu_to_le16(0x0000)
 341 #define SMB3_COMPRESS_LZNT1     cpu_to_le16(0x0001)
 342 #define SMB3_COMPRESS_LZ77      cpu_to_le16(0x0002)
 343 #define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003)
 344 /* Pattern scanning algorithm See MS-SMB2 3.1.4.4.1 */
 345 #define SMB3_COMPRESS_PATTERN   cpu_to_le16(0x0004) /* Pattern_V1 */
 346
 347 /* Compression Flags */
 348 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_NONE         cpu_to_le32(0x00000000)
 349 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_CHAINED      cpu_to_le32(0x00000001)
 350
 351 struct smb2_compression_capabilities_context {
 352         __le16  ContextType; /* 3 */
 353         __le16  DataLength;
 354         __u32   Flags;
 355         __le16  CompressionAlgorithmCount;
 356         __u16   Padding;
 357         __u32   Reserved1;
 358         __le16  CompressionAlgorithms[3];
 359 } __packed;
 360
 361 /*
 362  * For smb2_netname_negotiate_context_id See MS-SMB2 2.2.3.1.4.
 363  * Its struct simply contains NetName, an array of Unicode characters
 364  */
 365 struct smb2_netname_neg_context {
 366         __le16  ContextType; /* 0x100 */
 367         __le16  DataLength;
 368         __le32  Reserved;
 369         __le16  NetName[]; /* hostname of target converted to UCS-2 */
 370 } __packed;
 371
 372 #define POSIX_CTXT_DATA_LEN     16
 373 struct smb2_posix_neg_context {
 374         __le16  ContextType; /* 0x100 */
 375         __le16  DataLength;
 376         __le32  Reserved;
 377         __u8    Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */
 378 } __packed;
 379
 380 struct smb2_negotiate_rsp {
 381         struct smb2_sync_hdr sync_hdr;
 382         __le16 StructureSize;   /* Must be 65 */
 383         __le16 SecurityMode;
 384         __le16 DialectRevision;
 385         __le16 NegotiateContextCount;   /* Prior to SMB3.1.1 was Reserved & MBZ */
 386         __u8   ServerGUID[16];
 387         __le32 Capabilities;
 388         __le32 MaxTransactSize;
 389         __le32 MaxReadSize;
 390         __le32 MaxWriteSize;
 391         __le64 SystemTime;      /* MBZ */
 392         __le64 ServerStartTime;
 393         __le16 SecurityBufferOffset;
 394         __le16 SecurityBufferLength;
 395         __le32 NegotiateContextOffset;  /* Pre:SMB3.1.1 was reserved/ignored */
 396         __u8   Buffer[1];       /* variable length GSS security buffer */
 397 } __packed;
 398
 399 /* Flags */
 400 #define SMB2_SESSION_REQ_FLAG_BINDING           0x01
 401 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA      0x04
 402
 403 struct smb2_sess_setup_req {
 404         struct smb2_sync_hdr sync_hdr;
 405         __le16 StructureSize; /* Must be 25 */
 406         __u8   Flags;
 407         __u8   SecurityMode;
 408         __le32 Capabilities;
 409         __le32 Channel;
 410         __le16 SecurityBufferOffset;
 411         __le16 SecurityBufferLength;
 412         __u64 PreviousSessionId;
 413         __u8   Buffer[1];       /* variable length GSS security buffer */
 414 } __packed;
 415
 416 /* Currently defined SessionFlags */
 417 #define SMB2_SESSION_FLAG_IS_GUEST      0x0001
 418 #define SMB2_SESSION_FLAG_IS_NULL       0x0002
 419 #define SMB2_SESSION_FLAG_ENCRYPT_DATA  0x0004
 420 struct smb2_sess_setup_rsp {
 421         struct smb2_sync_hdr sync_hdr;
 422         __le16 StructureSize; /* Must be 9 */
 423         __le16 SessionFlags;
 424         __le16 SecurityBufferOffset;
 425         __le16 SecurityBufferLength;
 426         __u8   Buffer[1];       /* variable length GSS security buffer */
 427 } __packed;
 428
 429 struct smb2_logoff_req {
 430         struct smb2_sync_hdr sync_hdr;
 431         __le16 StructureSize;   /* Must be 4 */
 432         __le16 Reserved;
 433 } __packed;
 434
 435 struct smb2_logoff_rsp {
 436         struct smb2_sync_hdr sync_hdr;
 437         __le16 StructureSize;   /* Must be 4 */
 438         __le16 Reserved;
 439 } __packed;
 440
 441 /* Flags/Reserved for SMB3.1.1 */
 442 #define SMB2_TREE_CONNECT_FLAG_CLUSTER_RECONNECT cpu_to_le16(0x0001)
 443 #define SMB2_TREE_CONNECT_FLAG_REDIRECT_TO_OWNER cpu_to_le16(0x0002)
 444 #define SMB2_TREE_CONNECT_FLAG_EXTENSION_PRESENT cpu_to_le16(0x0004)
 445
 446 struct smb2_tree_connect_req {
 447         struct smb2_sync_hdr sync_hdr;
 448         __le16 StructureSize;   /* Must be 9 */
 449         __le16 Flags; /* Reserved MBZ for dialects prior to SMB3.1.1 */
 450         __le16 PathOffset;
 451         __le16 PathLength;
 452         __u8   Buffer[1];       /* variable length */
 453 } __packed;
 454
 455 /* See MS-SMB2 section 2.2.9.2 */
 456 /* Context Types */
 457 #define SMB2_RESERVED_TREE_CONNECT_CONTEXT_ID 0x0000
 458 #define SMB2_REMOTED_IDENTITY_TREE_CONNECT_CONTEXT_ID cpu_to_le16(0x0001)
 459
 460 struct tree_connect_contexts {
 461         __le16 ContextType;
 462         __le16 DataLength;
 463         __le32 Reserved;
 464         __u8   Data[];
 465 } __packed;
 466
 467 /* Remoted identity tree connect context structures - see MS-SMB2 2.2.9.2.1 */
 468 struct smb3_blob_data {
 469         __le16 BlobSize;
 470         __u8   BlobData[];
 471 } __packed;
 472
 473 /* Valid values for Attr */
 474 #define SE_GROUP_MANDATORY              0x00000001
 475 #define SE_GROUP_ENABLED_BY_DEFAULT     0x00000002
 476 #define SE_GROUP_ENABLED                0x00000004
 477 #define SE_GROUP_OWNER                  0x00000008
 478 #define SE_GROUP_USE_FOR_DENY_ONLY      0x00000010
 479 #define SE_GROUP_INTEGRITY              0x00000020
 480 #define SE_GROUP_INTEGRITY_ENABLED      0x00000040
 481 #define SE_GROUP_RESOURCE               0x20000000
 482 #define SE_GROUP_LOGON_ID               0xC0000000
 483
 484 /* struct sid_attr_data is SidData array in BlobData format then le32 Attr */
 485
 486 struct sid_array_data {
 487         __le16 SidAttrCount;
 488         /* SidAttrList - array of sid_attr_data structs */
 489 } __packed;
 490
 491 struct luid_attr_data {
 492
 493 } __packed;
 494
 495 /*
 496  * struct privilege_data is the same as BLOB_DATA - see MS-SMB2 2.2.9.2.1.5
 497  * but with size of LUID_ATTR_DATA struct and BlobData set to LUID_ATTR DATA
 498  */
 499
 500 struct privilege_array_data {
 501         __le16 PrivilegeCount;
 502         /* array of privilege_data structs */
 503 } __packed;
 504
 505 struct remoted_identity_tcon_context {
 506         __le16 TicketType; /* must be 0x0001 */
 507         __le16 TicketSize; /* total size of this struct */
 508         __le16 User; /* offset to SID_ATTR_DATA struct with user info */
 509         __le16 UserName; /* offset to null terminated Unicode username string */
 510         __le16 Domain; /* offset to null terminated Unicode domain name */
 511         __le16 Groups; /* offset to SID_ARRAY_DATA struct with group info */
 512         __le16 RestrictedGroups; /* similar to above */
 513         __le16 Privileges; /* offset to PRIVILEGE_ARRAY_DATA struct */
 514         __le16 PrimaryGroup; /* offset to SID_ARRAY_DATA struct */
 515         __le16 Owner; /* offset to BLOB_DATA struct */
 516         __le16 DefaultDacl; /* offset to BLOB_DATA struct */
 517         __le16 DeviceGroups; /* offset to SID_ARRAY_DATA struct */
 518         __le16 UserClaims; /* offset to BLOB_DATA struct */
 519         __le16 DeviceClaims; /* offset to BLOB_DATA struct */
 520         __u8   TicketInfo[]; /* variable length buf - remoted identity data */
 521 } __packed;
 522
 523 struct smb2_tree_connect_req_extension {
 524         __le32 TreeConnectContextOffset;
 525         __le16 TreeConnectContextCount;
 526         __u8  Reserved[10];
 527         __u8  PathName[]; /* variable sized array */
 528         /* followed by array of TreeConnectContexts */
 529 } __packed;
 530
 531 struct smb2_tree_connect_rsp {
 532         struct smb2_sync_hdr sync_hdr;
 533         __le16 StructureSize;   /* Must be 16 */
 534         __u8   ShareType;  /* see below */
 535         __u8   Reserved;
 536         __le32 ShareFlags; /* see below */
 537         __le32 Capabilities; /* see below */
 538         __le32 MaximalAccess;
 539 } __packed;
 540
 541 /* Possible ShareType values */
 542 #define SMB2_SHARE_TYPE_DISK    0x01
 543 #define SMB2_SHARE_TYPE_PIPE    0x02
 544 #define SMB2_SHARE_TYPE_PRINT   0x03
 545
 546 /*
 547  * Possible ShareFlags - exactly one and only one of the first 4 caching flags
 548  * must be set (any of the remaining, SHI1005, flags may be set individually
 549  * or in combination.
 550  */
 551 #define SMB2_SHAREFLAG_MANUAL_CACHING                   0x00000000
 552 #define SMB2_SHAREFLAG_AUTO_CACHING                     0x00000010
 553 #define SMB2_SHAREFLAG_VDO_CACHING                      0x00000020
 554 #define SMB2_SHAREFLAG_NO_CACHING                       0x00000030
 555 #define SHI1005_FLAGS_DFS                               0x00000001
 556 #define SHI1005_FLAGS_DFS_ROOT                          0x00000002
 557 #define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS          0x00000100
 558 #define SHI1005_FLAGS_FORCE_SHARED_DELETE               0x00000200
 559 #define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING           0x00000400
 560 #define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM       0x00000800
 561 #define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK              0x00001000
 562 #define SHI1005_FLAGS_ENABLE_HASH_V1                    0x00002000
 563 #define SHI1005_FLAGS_ENABLE_HASH_V2                    0x00004000
 564 #define SHI1005_FLAGS_ENCRYPT_DATA                      0x00008000
 565 #define SMB2_SHAREFLAG_IDENTITY_REMOTING                0x00040000 /* 3.1.1 */
 566 #define SHI1005_FLAGS_ALL                               0x0004FF33
 567
 568 /* Possible share capabilities */
 569 #define SMB2_SHARE_CAP_DFS      cpu_to_le32(0x00000008) /* all dialects */
 570 #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */
 571 #define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */
 572 #define SMB2_SHARE_CAP_CLUSTER  cpu_to_le32(0x00000040) /* 3.0 */
 573 #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */
 574 #define SMB2_SHARE_CAP_REDIRECT_TO_OWNER cpu_to_le32(0x00000100) /* 3.1.1 */
 575
 576 struct smb2_tree_disconnect_req {
 577         struct smb2_sync_hdr sync_hdr;
 578         __le16 StructureSize;   /* Must be 4 */
 579         __le16 Reserved;
 580 } __packed;
 581
 582 struct smb2_tree_disconnect_rsp {
 583         struct smb2_sync_hdr sync_hdr;
 584         __le16 StructureSize;   /* Must be 4 */
 585         __le16 Reserved;
 586 } __packed;
 587
 588 /* File Attrubutes */
 589 #define FILE_ATTRIBUTE_READONLY                 0x00000001
 590 #define FILE_ATTRIBUTE_HIDDEN                   0x00000002
 591 #define FILE_ATTRIBUTE_SYSTEM                   0x00000004
 592 #define FILE_ATTRIBUTE_DIRECTORY                0x00000010
 593 #define FILE_ATTRIBUTE_ARCHIVE                  0x00000020
 594 #define FILE_ATTRIBUTE_NORMAL                   0x00000080
 595 #define FILE_ATTRIBUTE_TEMPORARY                0x00000100
 596 #define FILE_ATTRIBUTE_SPARSE_FILE              0x00000200
 597 #define FILE_ATTRIBUTE_REPARSE_POINT            0x00000400
 598 #define FILE_ATTRIBUTE_COMPRESSED               0x00000800
 599 #define FILE_ATTRIBUTE_OFFLINE                  0x00001000
 600 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED      0x00002000
 601 #define FILE_ATTRIBUTE_ENCRYPTED                0x00004000
 602 #define FILE_ATTRIBUTE_INTEGRITY_STREAM         0x00008000
 603 #define FILE_ATTRIBUTE_NO_SCRUB_DATA            0x00020000
 604
 605 /* Oplock levels */
 606 #define SMB2_OPLOCK_LEVEL_NONE          0x00
 607 #define SMB2_OPLOCK_LEVEL_II            0x01
 608 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE     0x08
 609 #define SMB2_OPLOCK_LEVEL_BATCH         0x09
 610 #define SMB2_OPLOCK_LEVEL_LEASE         0xFF
 611 /* Non-spec internal type */
 612 #define SMB2_OPLOCK_LEVEL_NOCHANGE      0x99
 613
 614 /* Desired Access Flags */
 615 #define FILE_READ_DATA_LE               cpu_to_le32(0x00000001)
 616 #define FILE_WRITE_DATA_LE              cpu_to_le32(0x00000002)
 617 #define FILE_APPEND_DATA_LE             cpu_to_le32(0x00000004)
 618 #define FILE_READ_EA_LE                 cpu_to_le32(0x00000008)
 619 #define FILE_WRITE_EA_LE                cpu_to_le32(0x00000010)
 620 #define FILE_EXECUTE_LE                 cpu_to_le32(0x00000020)
 621 #define FILE_READ_ATTRIBUTES_LE         cpu_to_le32(0x00000080)
 622 #define FILE_WRITE_ATTRIBUTES_LE        cpu_to_le32(0x00000100)
 623 #define FILE_DELETE_LE                  cpu_to_le32(0x00010000)
 624 #define FILE_READ_CONTROL_LE            cpu_to_le32(0x00020000)
 625 #define FILE_WRITE_DAC_LE               cpu_to_le32(0x00040000)
 626 #define FILE_WRITE_OWNER_LE             cpu_to_le32(0x00080000)
 627 #define FILE_SYNCHRONIZE_LE             cpu_to_le32(0x00100000)
 628 #define FILE_ACCESS_SYSTEM_SECURITY_LE  cpu_to_le32(0x01000000)
 629 #define FILE_MAXIMAL_ACCESS_LE          cpu_to_le32(0x02000000)
 630 #define FILE_GENERIC_ALL_LE             cpu_to_le32(0x10000000)
 631 #define FILE_GENERIC_EXECUTE_LE         cpu_to_le32(0x20000000)
 632 #define FILE_GENERIC_WRITE_LE           cpu_to_le32(0x40000000)
 633 #define FILE_GENERIC_READ_LE            cpu_to_le32(0x80000000)
 634
 635 /* ShareAccess Flags */
 636 #define FILE_SHARE_READ_LE              cpu_to_le32(0x00000001)
 637 #define FILE_SHARE_WRITE_LE             cpu_to_le32(0x00000002)
 638 #define FILE_SHARE_DELETE_LE            cpu_to_le32(0x00000004)
 639 #define FILE_SHARE_ALL_LE               cpu_to_le32(0x00000007)
 640
 641 /* CreateDisposition Flags */
 642 #define FILE_SUPERSEDE_LE               cpu_to_le32(0x00000000)
 643 #define FILE_OPEN_LE                    cpu_to_le32(0x00000001)
 644 #define FILE_CREATE_LE                  cpu_to_le32(0x00000002)
 645 #define FILE_OPEN_IF_LE                 cpu_to_le32(0x00000003)
 646 #define FILE_OVERWRITE_LE               cpu_to_le32(0x00000004)
 647 #define FILE_OVERWRITE_IF_LE            cpu_to_le32(0x00000005)
 648
 649 /* CreateOptions Flags */
 650 #define FILE_DIRECTORY_FILE_LE          cpu_to_le32(0x00000001)
 651 /* same as #define CREATE_NOT_FILE_LE   cpu_to_le32(0x00000001) */
 652 #define FILE_WRITE_THROUGH_LE           cpu_to_le32(0x00000002)
 653 #define FILE_SEQUENTIAL_ONLY_LE         cpu_to_le32(0x00000004)
 654 #define FILE_NO_INTERMEDIATE_BUFFERRING_LE cpu_to_le32(0x00000008)
 655 #define FILE_SYNCHRONOUS_IO_ALERT_LE    cpu_to_le32(0x00000010)
 656 #define FILE_SYNCHRONOUS_IO_NON_ALERT_LE        cpu_to_le32(0x00000020)
 657 #define FILE_NON_DIRECTORY_FILE_LE      cpu_to_le32(0x00000040)
 658 #define FILE_COMPLETE_IF_OPLOCKED_LE    cpu_to_le32(0x00000100)
 659 #define FILE_NO_EA_KNOWLEDGE_LE         cpu_to_le32(0x00000200)
 660 #define FILE_RANDOM_ACCESS_LE           cpu_to_le32(0x00000800)
 661 #define FILE_DELETE_ON_CLOSE_LE         cpu_to_le32(0x00001000)
 662 #define FILE_OPEN_BY_FILE_ID_LE         cpu_to_le32(0x00002000)
 663 #define FILE_OPEN_FOR_BACKUP_INTENT_LE  cpu_to_le32(0x00004000)
 664 #define FILE_NO_COMPRESSION_LE          cpu_to_le32(0x00008000)
 665 #define FILE_RESERVE_OPFILTER_LE        cpu_to_le32(0x00100000)
 666 #define FILE_OPEN_REPARSE_POINT_LE      cpu_to_le32(0x00200000)
 667 #define FILE_OPEN_NO_RECALL_LE          cpu_to_le32(0x00400000)
 668 #define FILE_OPEN_FOR_FREE_SPACE_QUERY_LE cpu_to_le32(0x00800000)
 669
 670 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \
 671                         | FILE_READ_ATTRIBUTES_LE)
 672 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \
 673                         | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE)
 674 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE)
 675
 676 /* Impersonation Levels. See MS-WPO section 9.7 and MSDN-IMPERS */
 677 #define IL_ANONYMOUS            cpu_to_le32(0x00000000)
 678 #define IL_IDENTIFICATION       cpu_to_le32(0x00000001)
 679 #define IL_IMPERSONATION        cpu_to_le32(0x00000002)
 680 #define IL_DELEGATE             cpu_to_le32(0x00000003)
 681
 682 /* Create Context Values */
 683 #define SMB2_CREATE_EA_BUFFER                   "ExtA" /* extended attributes */
 684 #define SMB2_CREATE_SD_BUFFER                   "SecD" /* security descriptor */
 685 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST      "DHnQ"
 686 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT    "DHnC"
 687 #define SMB2_CREATE_ALLOCATION_SIZE             "AISi"
 688 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc"
 689 #define SMB2_CREATE_TIMEWARP_REQUEST            "TWrp"
 690 #define SMB2_CREATE_QUERY_ON_DISK_ID            "QFid"
 691 #define SMB2_CREATE_REQUEST_LEASE               "RqLs"
 692 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2   "DH2Q"
 693 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C"
 694 #define SMB2_CREATE_APP_INSTANCE_ID     0x45BCA66AEFA7F74A9008FA462E144D74
 695 #define SMB2_CREATE_APP_INSTANCE_VERSION 0xB982D0B73B56074FA07B524A8116A010
 696 #define SVHDX_OPEN_DEVICE_CONTEX        0x9CCBCF9E04C1E643980E158DA1F6EC83
 697 #define SMB2_CREATE_TAG_POSIX           0x93AD25509CB411E7B42383DE968BCD7C
 698
 699 /* Flag (SMB3 open response) values */
 700 #define SMB2_CREATE_FLAG_REPARSEPOINT 0x01
 701
 702 /*
 703  * Maximum number of iovs we need for an open/create request.
 704  * [0] : struct smb2_create_req
 705  * [1] : path
 706  * [2] : lease context
 707  * [3] : durable context
 708  * [4] : posix context
 709  * [5] : time warp context
 710  * [6] : query id context
 711  * [7] : compound padding
 712  */
 713 #define SMB2_CREATE_IOV_SIZE 8
 714
 715 struct smb2_create_req {
 716         struct smb2_sync_hdr sync_hdr;
 717         __le16 StructureSize;   /* Must be 57 */
 718         __u8   SecurityFlags;
 719         __u8   RequestedOplockLevel;
 720         __le32 ImpersonationLevel;
 721         __le64 SmbCreateFlags;
 722         __le64 Reserved;
 723         __le32 DesiredAccess;
 724         __le32 FileAttributes;
 725         __le32 ShareAccess;
 726         __le32 CreateDisposition;
 727         __le32 CreateOptions;
 728         __le16 NameOffset;
 729         __le16 NameLength;
 730         __le32 CreateContextsOffset;
 731         __le32 CreateContextsLength;
 732         __u8   Buffer[];
 733 } __packed;
 734
 735 /*
 736  * Maximum size of a SMB2_CREATE response is 64 (smb2 header) +
 737  * 88 (fixed part of create response) + 520 (path) + 208 (contexts) +
 738  * 2 bytes of padding.
 739  */
 740 #define MAX_SMB2_CREATE_RESPONSE_SIZE 880
 741
 742 struct smb2_create_rsp {
 743         struct smb2_sync_hdr sync_hdr;
 744         __le16 StructureSize;   /* Must be 89 */
 745         __u8   OplockLevel;
 746         __u8   Flag;  /* 0x01 if reparse point */
 747         __le32 CreateAction;
 748         __le64 CreationTime;
 749         __le64 LastAccessTime;
 750         __le64 LastWriteTime;
 751         __le64 ChangeTime;
 752         __le64 AllocationSize;
 753         __le64 EndofFile;
 754         __le32 FileAttributes;
 755         __le32 Reserved2;
 756         __u64  PersistentFileId; /* opaque endianness */
 757         __u64  VolatileFileId; /* opaque endianness */
 758         __le32 CreateContextsOffset;
 759         __le32 CreateContextsLength;
 760         __u8   Buffer[1];
 761 } __packed;
 762
 763 struct create_context {
 764         __le32 Next;
 765         __le16 NameOffset;
 766         __le16 NameLength;
 767         __le16 Reserved;
 768         __le16 DataOffset;
 769         __le32 DataLength;
 770         __u8 Buffer[];
 771 } __packed;
 772
 773 #define SMB2_LEASE_READ_CACHING_HE      0x01
 774 #define SMB2_LEASE_HANDLE_CACHING_HE    0x02
 775 #define SMB2_LEASE_WRITE_CACHING_HE     0x04
 776
 777 #define SMB2_LEASE_NONE                 cpu_to_le32(0x00)
 778 #define SMB2_LEASE_READ_CACHING         cpu_to_le32(0x01)
 779 #define SMB2_LEASE_HANDLE_CACHING       cpu_to_le32(0x02)
 780 #define SMB2_LEASE_WRITE_CACHING        cpu_to_le32(0x04)
 781
 782 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS cpu_to_le32(0x00000002)
 783 #define SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET cpu_to_le32(0x00000004)
 784
 785 #define SMB2_LEASE_KEY_SIZE 16
 786
 787 struct lease_context {
 788         u8 LeaseKey[SMB2_LEASE_KEY_SIZE];
 789         __le32 LeaseState;
 790         __le32 LeaseFlags;
 791         __le64 LeaseDuration;
 792 } __packed;
 793
 794 struct lease_context_v2 {
 795         u8 LeaseKey[SMB2_LEASE_KEY_SIZE];
 796         __le32 LeaseState;
 797         __le32 LeaseFlags;
 798         __le64 LeaseDuration;
 799         __le64 ParentLeaseKeyLow;
 800         __le64 ParentLeaseKeyHigh;
 801         __le16 Epoch;
 802         __le16 Reserved;
 803 } __packed;
 804
 805 struct create_lease {
 806         struct create_context ccontext;
 807         __u8   Name[8];
 808         struct lease_context lcontext;
 809 } __packed;
 810
 811 struct create_lease_v2 {
 812         struct create_context ccontext;
 813         __u8   Name[8];
 814         struct lease_context_v2 lcontext;
 815         __u8   Pad[4];
 816 } __packed;
 817
 818 struct create_durable {
 819         struct create_context ccontext;
 820         __u8   Name[8];
 821         union {
 822                 __u8  Reserved[16];
 823                 struct {
 824                         __u64 PersistentFileId;
 825                         __u64 VolatileFileId;
 826                 } Fid;
 827         } Data;
 828 } __packed;
 829
 830 struct create_posix {
 831         struct create_context ccontext;
 832         __u8    Name[16];
 833         __le32  Mode;
 834         __u32   Reserved;
 835 } __packed;
 836
 837 /* See MS-SMB2 2.2.13.2.11 */
 838 /* Flags */
 839 #define SMB2_DHANDLE_FLAG_PERSISTENT    0x00000002
 840 struct durable_context_v2 {
 841         __le32 Timeout;
 842         __le32 Flags;
 843         __u64 Reserved;
 844         __u8 CreateGuid[16];
 845 } __packed;
 846
 847 struct create_durable_v2 {
 848         struct create_context ccontext;
 849         __u8   Name[8];
 850         struct durable_context_v2 dcontext;
 851 } __packed;
 852
 853 /* See MS-SMB2 2.2.13.2.12 */
 854 struct durable_reconnect_context_v2 {
 855         struct {
 856                 __u64 PersistentFileId;
 857                 __u64 VolatileFileId;
 858         } Fid;
 859         __u8 CreateGuid[16];
 860         __le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
 861 } __packed;
 862
 863 /* See MS-SMB2 2.2.14.2.9 */
 864 struct create_on_disk_id {
 865         struct create_context ccontext;
 866         __u8   Name[8];
 867         __le64 DiskFileId;
 868         __le64 VolumeId;
 869         __u32  Reserved[4];
 870 } __packed;
 871
 872 /* See MS-SMB2 2.2.14.2.12 */
 873 struct durable_reconnect_context_v2_rsp {
 874         __le32 Timeout;
 875         __le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
 876 } __packed;
 877
 878 struct create_durable_handle_reconnect_v2 {
 879         struct create_context ccontext;
 880         __u8   Name[8];
 881         struct durable_reconnect_context_v2 dcontext;
 882         __u8   Pad[4];
 883 } __packed;
 884
 885 /* See MS-SMB2 2.2.13.2.5 */
 886 struct crt_twarp_ctxt {
 887         struct create_context ccontext;
 888         __u8    Name[8];
 889         __le64  Timestamp;
 890
 891 } __packed;
 892
 893 /* See MS-SMB2 2.2.13.2.9 */
 894 struct crt_query_id_ctxt {
 895         struct create_context ccontext;
 896         __u8    Name[8];
 897 } __packed;
 898
 899 struct crt_sd_ctxt {
 900         struct create_context ccontext;
 901         __u8    Name[8];
 902         struct smb3_sd sd;
 903         struct smb3_acl acl;
 904         /* Followed by at least 4 ACEs */
 905 } __packed;
 906
 907
 908 #define COPY_CHUNK_RES_KEY_SIZE 24
 909 struct resume_key_req {
 910         char ResumeKey[COPY_CHUNK_RES_KEY_SIZE];
 911         __le32  ContextLength;  /* MBZ */
 912         char    Context[];      /* ignored, Windows sets to 4 bytes of zero */
 913 } __packed;
 914
 915 /* this goes in the ioctl buffer when doing a copychunk request */
 916 struct copychunk_ioctl {
 917         char SourceKey[COPY_CHUNK_RES_KEY_SIZE];
 918         __le32 ChunkCount; /* we are only sending 1 */
 919         __le32 Reserved;
 920         /* array will only be one chunk long for us */
 921         __le64 SourceOffset;
 922         __le64 TargetOffset;
 923         __le32 Length; /* how many bytes to copy */
 924         __u32 Reserved2;
 925 } __packed;
 926
 927 /* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */
 928 struct file_zero_data_information {
 929         __le64  FileOffset;
 930         __le64  BeyondFinalZero;
 931 } __packed;
 932
 933 struct copychunk_ioctl_rsp {
 934         __le32 ChunksWritten;
 935         __le32 ChunkBytesWritten;
 936         __le32 TotalBytesWritten;
 937 } __packed;
 938
 939 struct fsctl_set_integrity_information_req {
 940         __le16  ChecksumAlgorithm;
 941         __le16  Reserved;
 942         __le32  Flags;
 943 } __packed;
 944
 945 struct fsctl_get_integrity_information_rsp {
 946         __le16  ChecksumAlgorithm;
 947         __le16  Reserved;
 948         __le32  Flags;
 949         __le32  ChecksumChunkSizeInBytes;
 950         __le32  ClusterSizeInBytes;
 951 } __packed;
 952
 953 struct file_allocated_range_buffer {
 954         __le64  file_offset;
 955         __le64  length;
 956 } __packed;
 957
 958 /* Integrity ChecksumAlgorithm choices for above */
 959 #define CHECKSUM_TYPE_NONE      0x0000
 960 #define CHECKSUM_TYPE_CRC64     0x0002
 961 #define CHECKSUM_TYPE_UNCHANGED 0xFFFF  /* set only */
 962
 963 /* Integrity flags for above */
 964 #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF   0x00000001
 965
 966 /* Reparse structures - see MS-FSCC 2.1.2 */
 967
 968 /* struct fsctl_reparse_info_req is empty, only response structs (see below) */
 969
 970 struct reparse_data_buffer {
 971         __le32  ReparseTag;
 972         __le16  ReparseDataLength;
 973         __u16   Reserved;
 974         __u8    DataBuffer[]; /* Variable Length */
 975 } __packed;
 976
 977 struct reparse_guid_data_buffer {
 978         __le32  ReparseTag;
 979         __le16  ReparseDataLength;
 980         __u16   Reserved;
 981         __u8    ReparseGuid[16];
 982         __u8    DataBuffer[]; /* Variable Length */
 983 } __packed;
 984
 985 struct reparse_mount_point_data_buffer {
 986         __le32  ReparseTag;
 987         __le16  ReparseDataLength;
 988         __u16   Reserved;
 989         __le16  SubstituteNameOffset;
 990         __le16  SubstituteNameLength;
 991         __le16  PrintNameOffset;
 992         __le16  PrintNameLength;
 993         __u8    PathBuffer[]; /* Variable Length */
 994 } __packed;
 995
 996 #define SYMLINK_FLAG_RELATIVE 0x00000001
 997
 998 struct reparse_symlink_data_buffer {
 999         __le32  ReparseTag;
1000         __le16  ReparseDataLength;
1001         __u16   Reserved;
1002         __le16  SubstituteNameOffset;
1003         __le16  SubstituteNameLength;
1004         __le16  PrintNameOffset;
1005         __le16  PrintNameLength;
1006         __le32  Flags;
1007         __u8    PathBuffer[]; /* Variable Length */
1008 } __packed;
1009
1010 /* See MS-FSCC 2.1.2.6 and cifspdu.h for struct reparse_posix_data */
1011
1012
1013 /* See MS-DFSC 2.2.2 */
1014 struct fsctl_get_dfs_referral_req {
1015         __le16 MaxReferralLevel;
1016         __u8 RequestFileName[];
1017 } __packed;
1018
1019 /* DFS response is struct get_dfs_refer_rsp */
1020
1021 /* See MS-SMB2 2.2.31.3 */
1022 struct network_resiliency_req {
1023         __le32 Timeout;
1024         __le32 Reserved;
1025 } __packed;
1026 /* There is no buffer for the response ie no struct network_resiliency_rsp */
1027
1028
1029 struct validate_negotiate_info_req {
1030         __le32 Capabilities;
1031         __u8   Guid[SMB2_CLIENT_GUID_SIZE];
1032         __le16 SecurityMode;
1033         __le16 DialectCount;
1034         __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */
1035 } __packed;
1036
1037 struct validate_negotiate_info_rsp {
1038         __le32 Capabilities;
1039         __u8   Guid[SMB2_CLIENT_GUID_SIZE];
1040         __le16 SecurityMode;
1041         __le16 Dialect; /* Dialect in use for the connection */
1042 } __packed;
1043
1044 #define RSS_CAPABLE     cpu_to_le32(0x00000001)
1045 #define RDMA_CAPABLE    cpu_to_le32(0x00000002)
1046
1047 #define INTERNETWORK    cpu_to_le16(0x0002)
1048 #define INTERNETWORKV6  cpu_to_le16(0x0017)
1049
1050 struct network_interface_info_ioctl_rsp {
1051         __le32 Next; /* next interface. zero if this is last one */
1052         __le32 IfIndex;
1053         __le32 Capability; /* RSS or RDMA Capable */
1054         __le32 Reserved;
1055         __le64 LinkSpeed;
1056         __le16 Family;
1057         __u8 Buffer[126];
1058 } __packed;
1059
1060 struct iface_info_ipv4 {
1061         __be16 Port;
1062         __be32 IPv4Address;
1063         __be64 Reserved;
1064 } __packed;
1065
1066 struct iface_info_ipv6 {
1067         __be16 Port;
1068         __be32 FlowInfo;
1069         __u8   IPv6Address[16];
1070         __be32 ScopeId;
1071 } __packed;
1072
1073 #define NO_FILE_ID 0xFFFFFFFFFFFFFFFFULL /* general ioctls to srv not to file */
1074
1075 struct compress_ioctl {
1076         __le16 CompressionState; /* See cifspdu.h for possible flag values */
1077 } __packed;
1078
1079 struct duplicate_extents_to_file {
1080         __u64 PersistentFileHandle; /* source file handle, opaque endianness */
1081         __u64 VolatileFileHandle;
1082         __le64 SourceFileOffset;
1083         __le64 TargetFileOffset;
1084         __le64 ByteCount;  /* Bytes to be copied */
1085 } __packed;
1086
1087 /*
1088  * Maximum number of iovs we need for an ioctl request.
1089  * [0] : struct smb2_ioctl_req
1090  * [1] : in_data
1091  */
1092 #define SMB2_IOCTL_IOV_SIZE 2
1093
1094 struct smb2_ioctl_req {
1095         struct smb2_sync_hdr sync_hdr;
1096         __le16 StructureSize;   /* Must be 57 */
1097         __u16 Reserved;
1098         __le32 CtlCode;
1099         __u64  PersistentFileId; /* opaque endianness */
1100         __u64  VolatileFileId; /* opaque endianness */
1101         __le32 InputOffset;
1102         __le32 InputCount;
1103         __le32 MaxInputResponse;
1104         __le32 OutputOffset;
1105         __le32 OutputCount;
1106         __le32 MaxOutputResponse;
1107         __le32 Flags;
1108         __u32  Reserved2;
1109         __u8   Buffer[];
1110 } __packed;
1111
1112 struct smb2_ioctl_rsp {
1113         struct smb2_sync_hdr sync_hdr;
1114         __le16 StructureSize;   /* Must be 57 */
1115         __u16 Reserved;
1116         __le32 CtlCode;
1117         __u64  PersistentFileId; /* opaque endianness */
1118         __u64  VolatileFileId; /* opaque endianness */
1119         __le32 InputOffset;
1120         __le32 InputCount;
1121         __le32 OutputOffset;
1122         __le32 OutputCount;
1123         __le32 Flags;
1124         __u32  Reserved2;
1125         /* char * buffer[] */
1126 } __packed;
1127
1128 /* Currently defined values for close flags */
1129 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB        cpu_to_le16(0x0001)
1130 struct smb2_close_req {
1131         struct smb2_sync_hdr sync_hdr;
1132         __le16 StructureSize;   /* Must be 24 */
1133         __le16 Flags;
1134         __le32 Reserved;
1135         __u64  PersistentFileId; /* opaque endianness */
1136         __u64  VolatileFileId; /* opaque endianness */
1137 } __packed;
1138
1139 /*
1140  * Maximum size of a SMB2_CLOSE response is 64 (smb2 header) + 60 (data)
1141  */
1142 #define MAX_SMB2_CLOSE_RESPONSE_SIZE 124
1143
1144 struct smb2_close_rsp {
1145         struct smb2_sync_hdr sync_hdr;
1146         __le16 StructureSize; /* 60 */
1147         __le16 Flags;
1148         __le32 Reserved;
1149         __le64 CreationTime;
1150         __le64 LastAccessTime;
1151         __le64 LastWriteTime;
1152         __le64 ChangeTime;
1153         __le64 AllocationSize;  /* Beginning of FILE_STANDARD_INFO equivalent */
1154         __le64 EndOfFile;
1155         __le32 Attributes;
1156 } __packed;
1157
1158 struct smb2_flush_req {
1159         struct smb2_sync_hdr sync_hdr;
1160         __le16 StructureSize;   /* Must be 24 */
1161         __le16 Reserved1;
1162         __le32 Reserved2;
1163         __u64  PersistentFileId; /* opaque endianness */
1164         __u64  VolatileFileId; /* opaque endianness */
1165 } __packed;
1166
1167 struct smb2_flush_rsp {
1168         struct smb2_sync_hdr sync_hdr;
1169         __le16 StructureSize;
1170         __le16 Reserved;
1171 } __packed;
1172
1173 /* For read request Flags field below, following flag is defined for SMB3.02 */
1174 #define SMB2_READFLAG_READ_UNBUFFERED   0x01
1175 #define SMB2_READFLAG_REQUEST_COMPRESSED 0x02 /* See MS-SMB2 2.2.19 */
1176
1177 /* Channel field for read and write: exactly one of following flags can be set*/
1178 #define SMB2_CHANNEL_NONE       cpu_to_le32(0x00000000)
1179 #define SMB2_CHANNEL_RDMA_V1    cpu_to_le32(0x00000001) /* SMB3 or later */
1180 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) /* >= SMB3.02 */
1181
1182 /* SMB2 read request without RFC1001 length at the beginning */
1183 struct smb2_read_plain_req {
1184         struct smb2_sync_hdr sync_hdr;
1185         __le16 StructureSize; /* Must be 49 */
1186         __u8   Padding; /* offset from start of SMB2 header to place read */
1187         __u8   Flags; /* MBZ unless SMB3.02 or later */
1188         __le32 Length;
1189         __le64 Offset;
1190         __u64  PersistentFileId; /* opaque endianness */
1191         __u64  VolatileFileId; /* opaque endianness */
1192         __le32 MinimumCount;
1193         __le32 Channel; /* MBZ except for SMB3 or later */
1194         __le32 RemainingBytes;
1195         __le16 ReadChannelInfoOffset;
1196         __le16 ReadChannelInfoLength;
1197         __u8   Buffer[1];
1198 } __packed;
1199
1200 struct smb2_read_rsp {
1201         struct smb2_sync_hdr sync_hdr;
1202         __le16 StructureSize; /* Must be 17 */
1203         __u8   DataOffset;
1204         __u8   Reserved;
1205         __le32 DataLength;
1206         __le32 DataRemaining;
1207         __u32  Reserved2;
1208         __u8   Buffer[1];
1209 } __packed;
1210
1211 /* For write request Flags field below the following flags are defined: */
1212 #define SMB2_WRITEFLAG_WRITE_THROUGH    0x00000001      /* SMB2.1 or later */
1213 #define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002      /* SMB3.02 or later */
1214
1215 struct smb2_write_req {
1216         struct smb2_sync_hdr sync_hdr;
1217         __le16 StructureSize; /* Must be 49 */
1218         __le16 DataOffset; /* offset from start of SMB2 header to write data */
1219         __le32 Length;
1220         __le64 Offset;
1221         __u64  PersistentFileId; /* opaque endianness */
1222         __u64  VolatileFileId; /* opaque endianness */
1223         __le32 Channel; /* MBZ unless SMB3.02 or later */
1224         __le32 RemainingBytes;
1225         __le16 WriteChannelInfoOffset;
1226         __le16 WriteChannelInfoLength;
1227         __le32 Flags;
1228         __u8   Buffer[1];
1229 } __packed;
1230
1231 struct smb2_write_rsp {
1232         struct smb2_sync_hdr sync_hdr;
1233         __le16 StructureSize; /* Must be 17 */
1234         __u8   DataOffset;
1235         __u8   Reserved;
1236         __le32 DataLength;
1237         __le32 DataRemaining;
1238         __u32  Reserved2;
1239         __u8   Buffer[1];
1240 } __packed;
1241
1242 /* notify flags */
1243 #define SMB2_WATCH_TREE                 0x0001
1244
1245 /* notify completion filter flags. See MS-FSCC 2.6 and MS-SMB2 2.2.35 */
1246 #define FILE_NOTIFY_CHANGE_FILE_NAME            0x00000001
1247 #define FILE_NOTIFY_CHANGE_DIR_NAME             0x00000002
1248 #define FILE_NOTIFY_CHANGE_ATTRIBUTES           0x00000004
1249 #define FILE_NOTIFY_CHANGE_SIZE                 0x00000008
1250 #define FILE_NOTIFY_CHANGE_LAST_WRITE           0x00000010
1251 #define FILE_NOTIFY_CHANGE_LAST_ACCESS          0x00000020
1252 #define FILE_NOTIFY_CHANGE_CREATION             0x00000040
1253 #define FILE_NOTIFY_CHANGE_EA                   0x00000080
1254 #define FILE_NOTIFY_CHANGE_SECURITY             0x00000100
1255 #define FILE_NOTIFY_CHANGE_STREAM_NAME          0x00000200
1256 #define FILE_NOTIFY_CHANGE_STREAM_SIZE          0x00000400
1257 #define FILE_NOTIFY_CHANGE_STREAM_WRITE         0x00000800
1258
1259 struct smb2_change_notify_req {
1260         struct smb2_sync_hdr sync_hdr;
1261         __le16  StructureSize;
1262         __le16  Flags;
1263         __le32  OutputBufferLength;
1264         __u64   PersistentFileId; /* opaque endianness */
1265         __u64   VolatileFileId; /* opaque endianness */
1266         __le32  CompletionFilter;
1267         __u32   Reserved;
1268 } __packed;
1269
1270 struct smb2_change_notify_rsp {
1271         struct smb2_sync_hdr sync_hdr;
1272         __le16  StructureSize;  /* Must be 9 */
1273         __le16  OutputBufferOffset;
1274         __le32  OutputBufferLength;
1275         __u8    Buffer[1]; /* array of file notify structs */
1276 } __packed;
1277
1278 #define SMB2_LOCKFLAG_SHARED_LOCK       0x0001
1279 #define SMB2_LOCKFLAG_EXCLUSIVE_LOCK    0x0002
1280 #define SMB2_LOCKFLAG_UNLOCK            0x0004
1281 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY  0x0010
1282
1283 struct smb2_lock_element {
1284         __le64 Offset;
1285         __le64 Length;
1286         __le32 Flags;
1287         __le32 Reserved;
1288 } __packed;
1289
1290 struct smb2_lock_req {
1291         struct smb2_sync_hdr sync_hdr;
1292         __le16 StructureSize; /* Must be 48 */
1293         __le16 LockCount;
1294         __le32 Reserved;
1295         __u64  PersistentFileId; /* opaque endianness */
1296         __u64  VolatileFileId; /* opaque endianness */
1297         /* Followed by at least one */
1298         struct smb2_lock_element locks[1];
1299 } __packed;
1300
1301 struct smb2_lock_rsp {
1302         struct smb2_sync_hdr sync_hdr;
1303         __le16 StructureSize; /* Must be 4 */
1304         __le16 Reserved;
1305 } __packed;
1306
1307 struct smb2_echo_req {
1308         struct smb2_sync_hdr sync_hdr;
1309         __le16 StructureSize;   /* Must be 4 */
1310         __u16  Reserved;
1311 } __packed;
1312
1313 struct smb2_echo_rsp {
1314         struct smb2_sync_hdr sync_hdr;
1315         __le16 StructureSize;   /* Must be 4 */
1316         __u16  Reserved;
1317 } __packed;
1318
1319 /* search (query_directory) Flags field */
1320 #define SMB2_RESTART_SCANS              0x01
1321 #define SMB2_RETURN_SINGLE_ENTRY        0x02
1322 #define SMB2_INDEX_SPECIFIED            0x04
1323 #define SMB2_REOPEN                     0x10
1324
1325 #define SMB2_QUERY_DIRECTORY_IOV_SIZE 2
1326
1327 struct smb2_query_directory_req {
1328         struct smb2_sync_hdr sync_hdr;
1329         __le16 StructureSize; /* Must be 33 */
1330         __u8   FileInformationClass;
1331         __u8   Flags;
1332         __le32 FileIndex;
1333         __u64  PersistentFileId; /* opaque endianness */
1334         __u64  VolatileFileId; /* opaque endianness */
1335         __le16 FileNameOffset;
1336         __le16 FileNameLength;
1337         __le32 OutputBufferLength;
1338         __u8   Buffer[1];
1339 } __packed;
1340
1341 struct smb2_query_directory_rsp {
1342         struct smb2_sync_hdr sync_hdr;
1343         __le16 StructureSize; /* Must be 9 */
1344         __le16 OutputBufferOffset;
1345         __le32 OutputBufferLength;
1346         __u8   Buffer[1];
1347 } __packed;
1348
1349 /* Possible InfoType values */
1350 #define SMB2_O_INFO_FILE        0x01
1351 #define SMB2_O_INFO_FILESYSTEM  0x02
1352 #define SMB2_O_INFO_SECURITY    0x03
1353 #define SMB2_O_INFO_QUOTA       0x04
1354
1355 /* Security info type additionalinfo flags. See MS-SMB2 (2.2.37) or MS-DTYP */
1356 #define OWNER_SECINFO   0x00000001
1357 #define GROUP_SECINFO   0x00000002
1358 #define DACL_SECINFO   0x00000004
1359 #define SACL_SECINFO   0x00000008
1360 #define LABEL_SECINFO   0x00000010
1361 #define ATTRIBUTE_SECINFO   0x00000020
1362 #define SCOPE_SECINFO   0x00000040
1363 #define BACKUP_SECINFO   0x00010000
1364 #define UNPROTECTED_SACL_SECINFO   0x10000000
1365 #define UNPROTECTED_DACL_SECINFO   0x20000000
1366 #define PROTECTED_SACL_SECINFO   0x40000000
1367 #define PROTECTED_DACL_SECINFO   0x80000000
1368
1369 /* Flags used for FileFullEAinfo */
1370 #define SL_RESTART_SCAN         0x00000001
1371 #define SL_RETURN_SINGLE_ENTRY  0x00000002
1372 #define SL_INDEX_SPECIFIED      0x00000004
1373
1374 struct smb2_query_info_req {
1375         struct smb2_sync_hdr sync_hdr;
1376         __le16 StructureSize; /* Must be 41 */
1377         __u8   InfoType;
1378         __u8   FileInfoClass;
1379         __le32 OutputBufferLength;
1380         __le16 InputBufferOffset;
1381         __u16  Reserved;
1382         __le32 InputBufferLength;
1383         __le32 AdditionalInformation;
1384         __le32 Flags;
1385         __u64  PersistentFileId; /* opaque endianness */
1386         __u64  VolatileFileId; /* opaque endianness */
1387         __u8   Buffer[1];
1388 } __packed;
1389
1390 struct smb2_query_info_rsp {
1391         struct smb2_sync_hdr sync_hdr;
1392         __le16 StructureSize; /* Must be 9 */
1393         __le16 OutputBufferOffset;
1394         __le32 OutputBufferLength;
1395         __u8   Buffer[1];
1396 } __packed;
1397
1398 /*
1399  * Maximum number of iovs we need for a set-info request.
1400  * The largest one is rename/hardlink
1401  * [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info
1402  * [1] : path
1403  * [2] : compound padding
1404  */
1405 #define SMB2_SET_INFO_IOV_SIZE 3
1406
1407 struct smb2_set_info_req {
1408         struct smb2_sync_hdr sync_hdr;
1409         __le16 StructureSize; /* Must be 33 */
1410         __u8   InfoType;
1411         __u8   FileInfoClass;
1412         __le32 BufferLength;
1413         __le16 BufferOffset;
1414         __u16  Reserved;
1415         __le32 AdditionalInformation;
1416         __u64  PersistentFileId; /* opaque endianness */
1417         __u64  VolatileFileId; /* opaque endianness */
1418         __u8   Buffer[1];
1419 } __packed;
1420
1421 struct smb2_set_info_rsp {
1422         struct smb2_sync_hdr sync_hdr;
1423         __le16 StructureSize; /* Must be 2 */
1424 } __packed;
1425
1426 struct smb2_oplock_break {
1427         struct smb2_sync_hdr sync_hdr;
1428         __le16 StructureSize; /* Must be 24 */
1429         __u8   OplockLevel;
1430         __u8   Reserved;
1431         __le32 Reserved2;
1432         __u64  PersistentFid;
1433         __u64  VolatileFid;
1434 } __packed;
1435
1436 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01)
1437
1438 struct smb2_lease_break {
1439         struct smb2_sync_hdr sync_hdr;
1440         __le16 StructureSize; /* Must be 44 */
1441         __le16 Epoch;
1442         __le32 Flags;
1443         __u8   LeaseKey[16];
1444         __le32 CurrentLeaseState;
1445         __le32 NewLeaseState;
1446         __le32 BreakReason;
1447         __le32 AccessMaskHint;
1448         __le32 ShareMaskHint;
1449 } __packed;
1450
1451 struct smb2_lease_ack {
1452         struct smb2_sync_hdr sync_hdr;
1453         __le16 StructureSize; /* Must be 36 */
1454         __le16 Reserved;
1455         __le32 Flags;
1456         __u8   LeaseKey[16];
1457         __le32 LeaseState;
1458         __le64 LeaseDuration;
1459 } __packed;
1460
1461 /*
1462  *      PDU infolevel structure definitions
1463  *      BB consider moving to a different header
1464  */
1465
1466 /* File System Information Classes */
1467 #define FS_VOLUME_INFORMATION           1 /* Query */
1468 #define FS_LABEL_INFORMATION            2 /* Local only */
1469 #define FS_SIZE_INFORMATION             3 /* Query */
1470 #define FS_DEVICE_INFORMATION           4 /* Query */
1471 #define FS_ATTRIBUTE_INFORMATION        5 /* Query */
1472 #define FS_CONTROL_INFORMATION          6 /* Query, Set */
1473 #define FS_FULL_SIZE_INFORMATION        7 /* Query */
1474 #define FS_OBJECT_ID_INFORMATION        8 /* Query, Set */
1475 #define FS_DRIVER_PATH_INFORMATION      9 /* Local only */
1476 #define FS_VOLUME_FLAGS_INFORMATION     10 /* Local only */
1477 #define FS_SECTOR_SIZE_INFORMATION      11 /* SMB3 or later. Query */
1478 #define FS_POSIX_INFORMATION            100 /* SMB3.1.1 POSIX. Query */
1479
1480 struct smb2_fs_full_size_info {
1481         __le64 TotalAllocationUnits;
1482         __le64 CallerAvailableAllocationUnits;
1483         __le64 ActualAvailableAllocationUnits;
1484         __le32 SectorsPerAllocationUnit;
1485         __le32 BytesPerSector;
1486 } __packed;
1487
1488 #define SSINFO_FLAGS_ALIGNED_DEVICE             0x00000001
1489 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002
1490 #define SSINFO_FLAGS_NO_SEEK_PENALTY            0x00000004
1491 #define SSINFO_FLAGS_TRIM_ENABLED               0x00000008
1492
1493 /* sector size info struct */
1494 struct smb3_fs_ss_info {
1495         __le32 LogicalBytesPerSector;
1496         __le32 PhysicalBytesPerSectorForAtomicity;
1497         __le32 PhysicalBytesPerSectorForPerf;
1498         __le32 FileSystemEffectivePhysicalBytesPerSectorForAtomicity;
1499         __le32 Flags;
1500         __le32 ByteOffsetForSectorAlignment;
1501         __le32 ByteOffsetForPartitionAlignment;
1502 } __packed;
1503
1504 /* volume info struct - see MS-FSCC 2.5.9 */
1505 #define MAX_VOL_LABEL_LEN       32
1506 struct smb3_fs_vol_info {
1507         __le64  VolumeCreationTime;
1508         __u32   VolumeSerialNumber;
1509         __le32  VolumeLabelLength; /* includes trailing null */
1510         __u8    SupportsObjects; /* True if eg like NTFS, supports objects */
1511         __u8    Reserved;
1512         __u8    VolumeLabel[]; /* variable len */
1513 } __packed;
1514
1515 /* partial list of QUERY INFO levels */
1516 #define FILE_DIRECTORY_INFORMATION      1
1517 #define FILE_FULL_DIRECTORY_INFORMATION 2
1518 #define FILE_BOTH_DIRECTORY_INFORMATION 3
1519 #define FILE_BASIC_INFORMATION          4
1520 #define FILE_STANDARD_INFORMATION       5
1521 #define FILE_INTERNAL_INFORMATION       6
1522 #define FILE_EA_INFORMATION             7
1523 #define FILE_ACCESS_INFORMATION         8
1524 #define FILE_NAME_INFORMATION           9
1525 #define FILE_RENAME_INFORMATION         10
1526 #define FILE_LINK_INFORMATION           11
1527 #define FILE_NAMES_INFORMATION          12
1528 #define FILE_DISPOSITION_INFORMATION    13
1529 #define FILE_POSITION_INFORMATION       14
1530 #define FILE_FULL_EA_INFORMATION        15
1531 #define FILE_MODE_INFORMATION           16
1532 #define FILE_ALIGNMENT_INFORMATION      17
1533 #define FILE_ALL_INFORMATION            18
1534 #define FILE_ALLOCATION_INFORMATION     19
1535 #define FILE_END_OF_FILE_INFORMATION    20
1536 #define FILE_ALTERNATE_NAME_INFORMATION 21
1537 #define FILE_STREAM_INFORMATION         22
1538 #define FILE_PIPE_INFORMATION           23
1539 #define FILE_PIPE_LOCAL_INFORMATION     24
1540 #define FILE_PIPE_REMOTE_INFORMATION    25
1541 #define FILE_MAILSLOT_QUERY_INFORMATION 26
1542 #define FILE_MAILSLOT_SET_INFORMATION   27
1543 #define FILE_COMPRESSION_INFORMATION    28
1544 #define FILE_OBJECT_ID_INFORMATION      29
1545 /* Number 30 not defined in documents */
1546 #define FILE_MOVE_CLUSTER_INFORMATION   31
1547 #define FILE_QUOTA_INFORMATION          32
1548 #define FILE_REPARSE_POINT_INFORMATION  33
1549 #define FILE_NETWORK_OPEN_INFORMATION   34
1550 #define FILE_ATTRIBUTE_TAG_INFORMATION  35
1551 #define FILE_TRACKING_INFORMATION       36
1552 #define FILEID_BOTH_DIRECTORY_INFORMATION 37
1553 #define FILEID_FULL_DIRECTORY_INFORMATION 38
1554 #define FILE_VALID_DATA_LENGTH_INFORMATION 39
1555 #define FILE_SHORT_NAME_INFORMATION     40
1556 #define FILE_SFIO_RESERVE_INFORMATION   44
1557 #define FILE_SFIO_VOLUME_INFORMATION    45
1558 #define FILE_HARD_LINK_INFORMATION      46
1559 #define FILE_NORMALIZED_NAME_INFORMATION 48
1560 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50
1561 #define FILE_STANDARD_LINK_INFORMATION  54
1562 #define FILE_ID_INFORMATION             59
1563
1564 struct smb2_file_internal_info {
1565         __le64 IndexNumber;
1566 } __packed; /* level 6 Query */
1567
1568 struct smb2_file_rename_info { /* encoding of request for level 10 */
1569         __u8   ReplaceIfExists; /* 1 = replace existing target with new */
1570                                 /* 0 = fail if target already exists */
1571         __u8   Reserved[7];
1572         __u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
1573         __le32 FileNameLength;
1574         char   FileName[];     /* New name to be assigned */
1575 } __packed; /* level 10 Set */
1576
1577 struct smb2_file_link_info { /* encoding of request for level 11 */
1578         __u8   ReplaceIfExists; /* 1 = replace existing link with new */
1579                                 /* 0 = fail if link already exists */
1580         __u8   Reserved[7];
1581         __u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
1582         __le32 FileNameLength;
1583         char   FileName[];     /* Name to be assigned to new link */
1584 } __packed; /* level 11 Set */
1585
1586 struct smb2_file_full_ea_info { /* encoding of response for level 15 */
1587         __le32 next_entry_offset;
1588         __u8   flags;
1589         __u8   ea_name_length;
1590         __le16 ea_value_length;
1591         char   ea_data[]; /* \0 terminated name plus value */
1592 } __packed; /* level 15 Set */
1593
1594 /*
1595  * This level 18, although with struct with same name is different from cifs
1596  * level 0x107. Level 0x107 has an extra u64 between AccessFlags and
1597  * CurrentByteOffset.
1598  */
1599 struct smb2_file_all_info { /* data block encoding of response to level 18 */
1600         __le64 CreationTime;    /* Beginning of FILE_BASIC_INFO equivalent */
1601         __le64 LastAccessTime;
1602         __le64 LastWriteTime;
1603         __le64 ChangeTime;
1604         __le32 Attributes;
1605         __u32  Pad1;            /* End of FILE_BASIC_INFO_INFO equivalent */
1606         __le64 AllocationSize;  /* Beginning of FILE_STANDARD_INFO equivalent */
1607         __le64 EndOfFile;       /* size ie offset to first free byte in file */
1608         __le32 NumberOfLinks;   /* hard links */
1609         __u8   DeletePending;
1610         __u8   Directory;
1611         __u16  Pad2;            /* End of FILE_STANDARD_INFO equivalent */
1612         __le64 IndexNumber;
1613         __le32 EASize;
1614         __le32 AccessFlags;
1615         __le64 CurrentByteOffset;
1616         __le32 Mode;
1617         __le32 AlignmentRequirement;
1618         __le32 FileNameLength;
1619         char   FileName[1];
1620 } __packed; /* level 18 Query */
1621
1622 struct smb2_file_eof_info { /* encoding of request for level 10 */
1623         __le64 EndOfFile; /* new end of file value */
1624 } __packed; /* level 20 Set */
1625
1626 struct smb2_file_network_open_info {
1627         __le64 CreationTime;
1628         __le64 LastAccessTime;
1629         __le64 LastWriteTime;
1630         __le64 ChangeTime;
1631         __le64 AllocationSize;
1632         __le64 EndOfFile;
1633         __le32 Attributes;
1634         __le32 Reserved;
1635 } __packed; /* level 34 Query also similar returned in close rsp and open rsp */
1636
1637 /* See MS-FSCC 2.4.43 */
1638 struct smb2_file_id_information {
1639         __le64  VolumeSerialNumber;
1640         __u64  PersistentFileId; /* opaque endianness */
1641         __u64  VolatileFileId; /* opaque endianness */
1642 } __packed; /* level 59 */
1643
1644 extern char smb2_padding[7];
1645
1646 /* equivalent of the contents of SMB3.1.1 POSIX open context response */
1647 struct create_posix_rsp {
1648         u32 nlink;
1649         u32 reparse_tag;
1650         u32 mode;
1651         struct cifs_sid owner; /* var-sized on the wire */
1652         struct cifs_sid group; /* var-sized on the wire */
1653 } __packed;
1654
1655 /*
1656  * SMB2-only POSIX info level for query dir
1657  *
1658  * See posix_info_sid_size(), posix_info_extra_size() and
1659  * posix_info_parse() to help with the handling of this struct.
1660  */
1661 struct smb2_posix_info {
1662         __le32 NextEntryOffset;
1663         __u32 Ignored;
1664         __le64 CreationTime;
1665         __le64 LastAccessTime;
1666         __le64 LastWriteTime;
1667         __le64 ChangeTime;
1668         __le64 EndOfFile;
1669         __le64 AllocationSize;
1670         __le32 DosAttributes;
1671         __le64 Inode;
1672         __le32 DeviceId;
1673         __le32 Zero;
1674         /* beginning of POSIX Create Context Response */
1675         __le32 HardLinks;
1676         __le32 ReparseTag;
1677         __le32 Mode;
1678         /*
1679          * var sized owner SID
1680          * var sized group SID
1681          * le32 filenamelength
1682          * u8  filename[]
1683          */
1684 } __packed;
1685
1686 /* Level 100 query info */
1687 struct smb311_posix_qinfo {
1688         __le64 CreationTime;
1689         __le64 LastAccessTime;
1690         __le64 LastWriteTime;
1691         __le64 ChangeTime;
1692         __le64 EndOfFile;
1693         __le64 AllocationSize;
1694         __le32 DosAttributes;
1695         __le64 Inode;
1696         __le32 DeviceId;
1697         __le32 Zero;
1698         /* beginning of POSIX Create Context Response */
1699         __le32 HardLinks;
1700         __le32 ReparseTag;
1701         __le32 Mode;
1702         u8     Sids[];
1703         /*
1704          * var sized owner SID
1705          * var sized group SID
1706          * le32 filenamelength
1707          * u8  filename[]
1708          */
1709 } __packed;
1710
1711 /*
1712  * Parsed version of the above struct. Allows direct access to the
1713  * variable length fields
1714  */
1715 struct smb2_posix_info_parsed {
1716         const struct smb2_posix_info *base;
1717         size_t size;
1718         struct cifs_sid owner;
1719         struct cifs_sid group;
1720         int name_len;
1721         const u8 *name;
1722 };
1723
1724 #endif                          /* _SMB2PDU_H */