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