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
  95 /*
  96  * SMB2 Header Definition
  97  *
  98  * "MBZ" :  Must be Zero
  99  * "BB"  :  BugBug, Something to check/review/analyze later
 100  * "PDU" :  "Protocol Data Unit" (ie a network "frame")
 101  *
 102  */
 103
 104 #define SMB2_HEADER_STRUCTURE_SIZE cpu_to_le16(64)
 105
 106 struct smb2_sync_hdr {
 107         __le32 ProtocolId;      /* 0xFE 'S' 'M' 'B' */
 108         __le16 StructureSize;   /* 64 */
 109         __le16 CreditCharge;    /* MBZ */
 110         __le32 Status;          /* Error from server */
 111         __le16 Command;
 112         __le16 CreditRequest;  /* CreditResponse */
 113         __le32 Flags;
 114         __le32 NextCommand;
 115         __le64 MessageId;
 116         __le32 ProcessId;
 117         __u32  TreeId;          /* opaque - so do not make little endian */
 118         __u64  SessionId;       /* opaque - so do not make little endian */
 119         __u8   Signature[16];
 120 } __packed;
 121
 122 struct smb2_sync_pdu {
 123         struct smb2_sync_hdr sync_hdr;
 124         __le16 StructureSize2; /* size of wct area (varies, request specific) */
 125 } __packed;
 126
 127 #define SMB3_AES128CCM_NONCE 11
 128 #define SMB3_AES128GCM_NONCE 12
 129
 130 struct smb2_transform_hdr {
 131         __le32 ProtocolId;      /* 0xFD 'S' 'M' 'B' */
 132         __u8   Signature[16];
 133         __u8   Nonce[16];
 134         __le32 OriginalMessageSize;
 135         __u16  Reserved1;
 136         __le16 Flags; /* EncryptionAlgorithm */
 137         __u64  SessionId;
 138 } __packed;
 139
 140 /*
 141  *      SMB2 flag definitions
 142  */
 143 #define SMB2_FLAGS_SERVER_TO_REDIR      cpu_to_le32(0x00000001)
 144 #define SMB2_FLAGS_ASYNC_COMMAND        cpu_to_le32(0x00000002)
 145 #define SMB2_FLAGS_RELATED_OPERATIONS   cpu_to_le32(0x00000004)
 146 #define SMB2_FLAGS_SIGNED               cpu_to_le32(0x00000008)
 147 #define SMB2_FLAGS_PRIORITY_MASK        cpu_to_le32(0x00000070) /* SMB3.1.1 */
 148 #define SMB2_FLAGS_DFS_OPERATIONS       cpu_to_le32(0x10000000)
 149 #define SMB2_FLAGS_REPLAY_OPERATION     cpu_to_le32(0x20000000) /* SMB3 & up */
 150
 151 /*
 152  *      Definitions for SMB2 Protocol Data Units (network frames)
 153  *
 154  *  See MS-SMB2.PDF specification for protocol details.
 155  *  The Naming convention is the lower case version of the SMB2
 156  *  command code name for the struct. Note that structures must be packed.
 157  *
 158  */
 159
 160 #define COMPOUND_FID 0xFFFFFFFFFFFFFFFFULL
 161
 162 #define SMB2_ERROR_STRUCTURE_SIZE2 cpu_to_le16(9)
 163
 164 struct smb2_err_rsp {
 165         struct smb2_sync_hdr sync_hdr;
 166         __le16 StructureSize;
 167         __le16 Reserved; /* MBZ */
 168         __le32 ByteCount;  /* even if zero, at least one byte follows */
 169         __u8   ErrorData[1];  /* variable length */
 170 } __packed;
 171
 172 #define SYMLINK_ERROR_TAG 0x4c4d5953
 173
 174 struct smb2_symlink_err_rsp {
 175         __le32 SymLinkLength;
 176         __le32 SymLinkErrorTag;
 177         __le32 ReparseTag;
 178         __le16 ReparseDataLength;
 179         __le16 UnparsedPathLength;
 180         __le16 SubstituteNameOffset;
 181         __le16 SubstituteNameLength;
 182         __le16 PrintNameOffset;
 183         __le16 PrintNameLength;
 184         __le32 Flags;
 185         __u8  PathBuffer[0];
 186 } __packed;
 187
 188 /* SMB 3.1.1 and later dialects. See MS-SMB2 section 2.2.2.1 */
 189 struct smb2_error_context_rsp {
 190         __le32 ErrorDataLength;
 191         __le32 ErrorId;
 192         __u8  ErrorContextData; /* ErrorDataLength long array */
 193 } __packed;
 194
 195 /* Defines for Type field below (see MS-SMB2 2.2.2.2.2.1) */
 196 #define MOVE_DST_IPADDR_V4      cpu_to_le32(0x00000001)
 197 #define MOVE_DST_IPADDR_V6      cpu_to_le32(0x00000002)
 198
 199 struct move_dst_ipaddr {
 200         __le32 Type;
 201         __u32  Reserved;
 202         __u8   address[16]; /* IPv4 followed by 12 bytes rsvd or IPv6 address */
 203 } __packed;
 204
 205 struct share_redirect_error_context_rsp {
 206         __le32 StructureSize;
 207         __le32 NotificationType;
 208         __le32 ResourceNameOffset;
 209         __le32 ResourceNameLength;
 210         __le16 Flags;
 211         __le16 TargetType;
 212         __le32 IPAddrCount;
 213         struct move_dst_ipaddr IpAddrMoveList[0];
 214         /* __u8 ResourceName[] */ /* Name of share as counted Unicode string */
 215 } __packed;
 216
 217 #define SMB2_CLIENT_GUID_SIZE 16
 218
 219 struct smb2_negotiate_req {
 220         struct smb2_sync_hdr sync_hdr;
 221         __le16 StructureSize; /* Must be 36 */
 222         __le16 DialectCount;
 223         __le16 SecurityMode;
 224         __le16 Reserved;        /* MBZ */
 225         __le32 Capabilities;
 226         __u8   ClientGUID[SMB2_CLIENT_GUID_SIZE];
 227         /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */
 228         __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */
 229         __le16 NegotiateContextCount;  /* SMB3.1.1 only. MBZ earlier */
 230         __le16 Reserved2;
 231         __le16 Dialects[1]; /* One dialect (vers=) at a time for now */
 232 } __packed;
 233
 234 /* Dialects */
 235 #define SMB10_PROT_ID 0x0000 /* local only, not sent on wire w/CIFS negprot */
 236 #define SMB20_PROT_ID 0x0202
 237 #define SMB21_PROT_ID 0x0210
 238 #define SMB30_PROT_ID 0x0300
 239 #define SMB302_PROT_ID 0x0302
 240 #define SMB311_PROT_ID 0x0311
 241 #define BAD_PROT_ID   0xFFFF
 242
 243 /* SecurityMode flags */
 244 #define SMB2_NEGOTIATE_SIGNING_ENABLED  0x0001
 245 #define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002
 246 #define SMB2_SEC_MODE_FLAGS_ALL         0x0003
 247
 248 /* Capabilities flags */
 249 #define SMB2_GLOBAL_CAP_DFS             0x00000001
 250 #define SMB2_GLOBAL_CAP_LEASING         0x00000002 /* Resp only New to SMB2.1 */
 251 #define SMB2_GLOBAL_CAP_LARGE_MTU       0X00000004 /* Resp only New to SMB2.1 */
 252 #define SMB2_GLOBAL_CAP_MULTI_CHANNEL   0x00000008 /* New to SMB3 */
 253 #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */
 254 #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING  0x00000020 /* New to SMB3 */
 255 #define SMB2_GLOBAL_CAP_ENCRYPTION      0x00000040 /* New to SMB3 */
 256 /* Internal types */
 257 #define SMB2_NT_FIND                    0x00100000
 258 #define SMB2_LARGE_FILES                0x00200000
 259
 260
 261 /* Negotiate Contexts - ContextTypes. See MS-SMB2 section 2.2.3.1 for details */
 262 #define SMB2_PREAUTH_INTEGRITY_CAPABILITIES     cpu_to_le16(1)
 263 #define SMB2_ENCRYPTION_CAPABILITIES            cpu_to_le16(2)
 264 #define SMB2_COMPRESSION_CAPABILITIES           cpu_to_le16(3)
 265 #define SMB2_NETNAME_NEGOTIATE_CONTEXT_ID       cpu_to_le16(5)
 266 #define SMB2_POSIX_EXTENSIONS_AVAILABLE         cpu_to_le16(0x100)
 267
 268 struct smb2_neg_context {
 269         __le16  ContextType;
 270         __le16  DataLength;
 271         __le32  Reserved;
 272         /* Followed by array of data */
 273 } __packed;
 274
 275 #define SMB311_SALT_SIZE                        32
 276 /* Hash Algorithm Types */
 277 #define SMB2_PREAUTH_INTEGRITY_SHA512   cpu_to_le16(0x0001)
 278 #define SMB2_PREAUTH_HASH_SIZE 64
 279
 280 #define MIN_PREAUTH_CTXT_DATA_LEN       (SMB311_SALT_SIZE + 6)
 281 struct smb2_preauth_neg_context {
 282         __le16  ContextType; /* 1 */
 283         __le16  DataLength;
 284         __le32  Reserved;
 285         __le16  HashAlgorithmCount; /* 1 */
 286         __le16  SaltLength;
 287         __le16  HashAlgorithms; /* HashAlgorithms[0] since only one defined */
 288         __u8    Salt[SMB311_SALT_SIZE];
 289 } __packed;
 290
 291 /* Encryption Algorithms Ciphers */
 292 #define SMB2_ENCRYPTION_AES128_CCM      cpu_to_le16(0x0001)
 293 #define SMB2_ENCRYPTION_AES128_GCM      cpu_to_le16(0x0002)
 294
 295 /* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */
 296 #define MIN_ENCRYPT_CTXT_DATA_LEN       4
 297 struct smb2_encryption_neg_context {
 298         __le16  ContextType; /* 2 */
 299         __le16  DataLength;
 300         __le32  Reserved;
 301         __le16  CipherCount; /* AES-128-GCM and AES-128-CCM */
 302         __le16  Ciphers[2];
 303 } __packed;
 304
 305 /* See MS-SMB2 2.2.3.1.3 */
 306 #define SMB3_COMPRESS_NONE      cpu_to_le16(0x0000)
 307 #define SMB3_COMPRESS_LZNT1     cpu_to_le16(0x0001)
 308 #define SMB3_COMPRESS_LZ77      cpu_to_le16(0x0002)
 309 #define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003)
 310
 311 struct smb2_compression_capabilities_context {
 312         __le16  ContextType; /* 3 */
 313         __le16  DataLength;
 314         __u32   Reserved;
 315         __le16  CompressionAlgorithmCount;
 316         __u16   Padding;
 317         __u32   Reserved1;
 318         __le16  CompressionAlgorithms[3];
 319 } __packed;
 320
 321 /*
 322  * For smb2_netname_negotiate_context_id See MS-SMB2 2.2.3.1.4.
 323  * Its struct simply contains NetName, an array of Unicode characters
 324  */
 325 struct smb2_netname_neg_context {
 326         __le16  ContextType; /* 0x100 */
 327         __le16  DataLength;
 328         __le32  Reserved;
 329         __le16  NetName[0]; /* hostname of target converted to UCS-2 */
 330 } __packed;
 331
 332 #define POSIX_CTXT_DATA_LEN     16
 333 struct smb2_posix_neg_context {
 334         __le16  ContextType; /* 0x100 */
 335         __le16  DataLength;
 336         __le32  Reserved;
 337         __u8    Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */
 338 } __packed;
 339
 340 struct smb2_negotiate_rsp {
 341         struct smb2_sync_hdr sync_hdr;
 342         __le16 StructureSize;   /* Must be 65 */
 343         __le16 SecurityMode;
 344         __le16 DialectRevision;
 345         __le16 NegotiateContextCount;   /* Prior to SMB3.1.1 was Reserved & MBZ */
 346         __u8   ServerGUID[16];
 347         __le32 Capabilities;
 348         __le32 MaxTransactSize;
 349         __le32 MaxReadSize;
 350         __le32 MaxWriteSize;
 351         __le64 SystemTime;      /* MBZ */
 352         __le64 ServerStartTime;
 353         __le16 SecurityBufferOffset;
 354         __le16 SecurityBufferLength;
 355         __le32 NegotiateContextOffset;  /* Pre:SMB3.1.1 was reserved/ignored */
 356         __u8   Buffer[1];       /* variable length GSS security buffer */
 357 } __packed;
 358
 359 /* Flags */
 360 #define SMB2_SESSION_REQ_FLAG_BINDING           0x01
 361 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA      0x04
 362
 363 struct smb2_sess_setup_req {
 364         struct smb2_sync_hdr sync_hdr;
 365         __le16 StructureSize; /* Must be 25 */
 366         __u8   Flags;
 367         __u8   SecurityMode;
 368         __le32 Capabilities;
 369         __le32 Channel;
 370         __le16 SecurityBufferOffset;
 371         __le16 SecurityBufferLength;
 372         __u64 PreviousSessionId;
 373         __u8   Buffer[1];       /* variable length GSS security buffer */
 374 } __packed;
 375
 376 /* Currently defined SessionFlags */
 377 #define SMB2_SESSION_FLAG_IS_GUEST      0x0001
 378 #define SMB2_SESSION_FLAG_IS_NULL       0x0002
 379 #define SMB2_SESSION_FLAG_ENCRYPT_DATA  0x0004
 380 struct smb2_sess_setup_rsp {
 381         struct smb2_sync_hdr sync_hdr;
 382         __le16 StructureSize; /* Must be 9 */
 383         __le16 SessionFlags;
 384         __le16 SecurityBufferOffset;
 385         __le16 SecurityBufferLength;
 386         __u8   Buffer[1];       /* variable length GSS security buffer */
 387 } __packed;
 388
 389 struct smb2_logoff_req {
 390         struct smb2_sync_hdr sync_hdr;
 391         __le16 StructureSize;   /* Must be 4 */
 392         __le16 Reserved;
 393 } __packed;
 394
 395 struct smb2_logoff_rsp {
 396         struct smb2_sync_hdr sync_hdr;
 397         __le16 StructureSize;   /* Must be 4 */
 398         __le16 Reserved;
 399 } __packed;
 400
 401 /* Flags/Reserved for SMB3.1.1 */
 402 #define SMB2_TREE_CONNECT_FLAG_CLUSTER_RECONNECT cpu_to_le16(0x0001)
 403 #define SMB2_TREE_CONNECT_FLAG_REDIRECT_TO_OWNER cpu_to_le16(0x0002)
 404 #define SMB2_TREE_CONNECT_FLAG_EXTENSION_PRESENT cpu_to_le16(0x0004)
 405
 406 struct smb2_tree_connect_req {
 407         struct smb2_sync_hdr sync_hdr;
 408         __le16 StructureSize;   /* Must be 9 */
 409         __le16 Reserved; /* Flags in SMB3.1.1 */
 410         __le16 PathOffset;
 411         __le16 PathLength;
 412         __u8   Buffer[1];       /* variable length */
 413 } __packed;
 414
 415 /* See MS-SMB2 section 2.2.9.2 */
 416 /* Context Types */
 417 #define SMB2_RESERVED_TREE_CONNECT_CONTEXT_ID 0x0000
 418 #define SMB2_REMOTED_IDENTITY_TREE_CONNECT_CONTEXT_ID cpu_to_le16(0x0001)
 419
 420 struct tree_connect_contexts {
 421         __le16 ContextType;
 422         __le16 DataLength;
 423         __le32 Reserved;
 424         __u8   Data[0];
 425 } __packed;
 426
 427 /* Remoted identity tree connect context structures - see MS-SMB2 2.2.9.2.1 */
 428 struct smb3_blob_data {
 429         __le16 BlobSize;
 430         __u8   BlobData[0];
 431 } __packed;
 432
 433 /* Valid values for Attr */
 434 #define SE_GROUP_MANDATORY              0x00000001
 435 #define SE_GROUP_ENABLED_BY_DEFAULT     0x00000002
 436 #define SE_GROUP_ENABLED                0x00000004
 437 #define SE_GROUP_OWNER                  0x00000008
 438 #define SE_GROUP_USE_FOR_DENY_ONLY      0x00000010
 439 #define SE_GROUP_INTEGRITY              0x00000020
 440 #define SE_GROUP_INTEGRITY_ENABLED      0x00000040
 441 #define SE_GROUP_RESOURCE               0x20000000
 442 #define SE_GROUP_LOGON_ID               0xC0000000
 443
 444 /* struct sid_attr_data is SidData array in BlobData format then le32 Attr */
 445
 446 struct sid_array_data {
 447         __le16 SidAttrCount;
 448         /* SidAttrList - array of sid_attr_data structs */
 449 } __packed;
 450
 451 struct luid_attr_data {
 452
 453 } __packed;
 454
 455 /*
 456  * struct privilege_data is the same as BLOB_DATA - see MS-SMB2 2.2.9.2.1.5
 457  * but with size of LUID_ATTR_DATA struct and BlobData set to LUID_ATTR DATA
 458  */
 459
 460 struct privilege_array_data {
 461         __le16 PrivilegeCount;
 462         /* array of privilege_data structs */
 463 } __packed;
 464
 465 struct remoted_identity_tcon_context {
 466         __le16 TicketType; /* must be 0x0001 */
 467         __le16 TicketSize; /* total size of this struct */
 468         __le16 User; /* offset to SID_ATTR_DATA struct with user info */
 469         __le16 UserName; /* offset to null terminated Unicode username string */
 470         __le16 Domain; /* offset to null terminated Unicode domain name */
 471         __le16 Groups; /* offset to SID_ARRAY_DATA struct with group info */
 472         __le16 RestrictedGroups; /* similar to above */
 473         __le16 Privileges; /* offset to PRIVILEGE_ARRAY_DATA struct */
 474         __le16 PrimaryGroup; /* offset to SID_ARRAY_DATA struct */
 475         __le16 Owner; /* offset to BLOB_DATA struct */
 476         __le16 DefaultDacl; /* offset to BLOB_DATA struct */
 477         __le16 DeviceGroups; /* offset to SID_ARRAY_DATA struct */
 478         __le16 UserClaims; /* offset to BLOB_DATA struct */
 479         __le16 DeviceClaims; /* offset to BLOB_DATA struct */
 480         __u8   TicketInfo[0]; /* variable length buf - remoted identity data */
 481 } __packed;
 482
 483 struct smb2_tree_connect_req_extension {
 484         __le32 TreeConnectContextOffset;
 485         __le16 TreeConnectContextCount;
 486         __u8  Reserved[10];
 487         __u8  PathName[0]; /* variable sized array */
 488         /* followed by array of TreeConnectContexts */
 489 } __packed;
 490
 491 struct smb2_tree_connect_rsp {
 492         struct smb2_sync_hdr sync_hdr;
 493         __le16 StructureSize;   /* Must be 16 */
 494         __u8   ShareType;  /* see below */
 495         __u8   Reserved;
 496         __le32 ShareFlags; /* see below */
 497         __le32 Capabilities; /* see below */
 498         __le32 MaximalAccess;
 499 } __packed;
 500
 501 /* Possible ShareType values */
 502 #define SMB2_SHARE_TYPE_DISK    0x01
 503 #define SMB2_SHARE_TYPE_PIPE    0x02
 504 #define SMB2_SHARE_TYPE_PRINT   0x03
 505
 506 /*
 507  * Possible ShareFlags - exactly one and only one of the first 4 caching flags
 508  * must be set (any of the remaining, SHI1005, flags may be set individually
 509  * or in combination.
 510  */
 511 #define SMB2_SHAREFLAG_MANUAL_CACHING                   0x00000000
 512 #define SMB2_SHAREFLAG_AUTO_CACHING                     0x00000010
 513 #define SMB2_SHAREFLAG_VDO_CACHING                      0x00000020
 514 #define SMB2_SHAREFLAG_NO_CACHING                       0x00000030
 515 #define SHI1005_FLAGS_DFS                               0x00000001
 516 #define SHI1005_FLAGS_DFS_ROOT                          0x00000002
 517 #define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS          0x00000100
 518 #define SHI1005_FLAGS_FORCE_SHARED_DELETE               0x00000200
 519 #define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING           0x00000400
 520 #define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM       0x00000800
 521 #define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK              0x00001000
 522 #define SHI1005_FLAGS_ENABLE_HASH_V1                    0x00002000
 523 #define SHI1005_FLAGS_ENABLE_HASH_V2                    0x00004000
 524 #define SHI1005_FLAGS_ENCRYPT_DATA                      0x00008000
 525 #define SMB2_SHAREFLAG_IDENTITY_REMOTING                0x00040000 /* 3.1.1 */
 526 #define SHI1005_FLAGS_ALL                               0x0004FF33
 527
 528 /* Possible share capabilities */
 529 #define SMB2_SHARE_CAP_DFS      cpu_to_le32(0x00000008) /* all dialects */
 530 #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */
 531 #define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */
 532 #define SMB2_SHARE_CAP_CLUSTER  cpu_to_le32(0x00000040) /* 3.0 */
 533 #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */
 534 #define SMB2_SHARE_CAP_REDIRECT_TO_OWNER cpu_to_le32(0x00000100) /* 3.1.1 */
 535
 536 struct smb2_tree_disconnect_req {
 537         struct smb2_sync_hdr sync_hdr;
 538         __le16 StructureSize;   /* Must be 4 */
 539         __le16 Reserved;
 540 } __packed;
 541
 542 struct smb2_tree_disconnect_rsp {
 543         struct smb2_sync_hdr sync_hdr;
 544         __le16 StructureSize;   /* Must be 4 */
 545         __le16 Reserved;
 546 } __packed;
 547
 548 /* File Attrubutes */
 549 #define FILE_ATTRIBUTE_READONLY                 0x00000001
 550 #define FILE_ATTRIBUTE_HIDDEN                   0x00000002
 551 #define FILE_ATTRIBUTE_SYSTEM                   0x00000004
 552 #define FILE_ATTRIBUTE_DIRECTORY                0x00000010
 553 #define FILE_ATTRIBUTE_ARCHIVE                  0x00000020
 554 #define FILE_ATTRIBUTE_NORMAL                   0x00000080
 555 #define FILE_ATTRIBUTE_TEMPORARY                0x00000100
 556 #define FILE_ATTRIBUTE_SPARSE_FILE              0x00000200
 557 #define FILE_ATTRIBUTE_REPARSE_POINT            0x00000400
 558 #define FILE_ATTRIBUTE_COMPRESSED               0x00000800
 559 #define FILE_ATTRIBUTE_OFFLINE                  0x00001000
 560 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED      0x00002000
 561 #define FILE_ATTRIBUTE_ENCRYPTED                0x00004000
 562 #define FILE_ATTRIBUTE_INTEGRITY_STREAM         0x00008000
 563 #define FILE_ATTRIBUTE_NO_SCRUB_DATA            0x00020000
 564
 565 /* Oplock levels */
 566 #define SMB2_OPLOCK_LEVEL_NONE          0x00
 567 #define SMB2_OPLOCK_LEVEL_II            0x01
 568 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE     0x08
 569 #define SMB2_OPLOCK_LEVEL_BATCH         0x09
 570 #define SMB2_OPLOCK_LEVEL_LEASE         0xFF
 571 /* Non-spec internal type */
 572 #define SMB2_OPLOCK_LEVEL_NOCHANGE      0x99
 573
 574 /* Desired Access Flags */
 575 #define FILE_READ_DATA_LE               cpu_to_le32(0x00000001)
 576 #define FILE_WRITE_DATA_LE              cpu_to_le32(0x00000002)
 577 #define FILE_APPEND_DATA_LE             cpu_to_le32(0x00000004)
 578 #define FILE_READ_EA_LE                 cpu_to_le32(0x00000008)
 579 #define FILE_WRITE_EA_LE                cpu_to_le32(0x00000010)
 580 #define FILE_EXECUTE_LE                 cpu_to_le32(0x00000020)
 581 #define FILE_READ_ATTRIBUTES_LE         cpu_to_le32(0x00000080)
 582 #define FILE_WRITE_ATTRIBUTES_LE        cpu_to_le32(0x00000100)
 583 #define FILE_DELETE_LE                  cpu_to_le32(0x00010000)
 584 #define FILE_READ_CONTROL_LE            cpu_to_le32(0x00020000)
 585 #define FILE_WRITE_DAC_LE               cpu_to_le32(0x00040000)
 586 #define FILE_WRITE_OWNER_LE             cpu_to_le32(0x00080000)
 587 #define FILE_SYNCHRONIZE_LE             cpu_to_le32(0x00100000)
 588 #define FILE_ACCESS_SYSTEM_SECURITY_LE  cpu_to_le32(0x01000000)
 589 #define FILE_MAXIMAL_ACCESS_LE          cpu_to_le32(0x02000000)
 590 #define FILE_GENERIC_ALL_LE             cpu_to_le32(0x10000000)
 591 #define FILE_GENERIC_EXECUTE_LE         cpu_to_le32(0x20000000)
 592 #define FILE_GENERIC_WRITE_LE           cpu_to_le32(0x40000000)
 593 #define FILE_GENERIC_READ_LE            cpu_to_le32(0x80000000)
 594
 595 /* ShareAccess Flags */
 596 #define FILE_SHARE_READ_LE              cpu_to_le32(0x00000001)
 597 #define FILE_SHARE_WRITE_LE             cpu_to_le32(0x00000002)
 598 #define FILE_SHARE_DELETE_LE            cpu_to_le32(0x00000004)
 599 #define FILE_SHARE_ALL_LE               cpu_to_le32(0x00000007)
 600
 601 /* CreateDisposition Flags */
 602 #define FILE_SUPERSEDE_LE               cpu_to_le32(0x00000000)
 603 #define FILE_OPEN_LE                    cpu_to_le32(0x00000001)
 604 #define FILE_CREATE_LE                  cpu_to_le32(0x00000002)
 605 #define FILE_OPEN_IF_LE                 cpu_to_le32(0x00000003)
 606 #define FILE_OVERWRITE_LE               cpu_to_le32(0x00000004)
 607 #define FILE_OVERWRITE_IF_LE            cpu_to_le32(0x00000005)
 608
 609 /* CreateOptions Flags */
 610 #define FILE_DIRECTORY_FILE_LE          cpu_to_le32(0x00000001)
 611 /* same as #define CREATE_NOT_FILE_LE   cpu_to_le32(0x00000001) */
 612 #define FILE_WRITE_THROUGH_LE           cpu_to_le32(0x00000002)
 613 #define FILE_SEQUENTIAL_ONLY_LE         cpu_to_le32(0x00000004)
 614 #define FILE_NO_INTERMEDIATE_BUFFERRING_LE cpu_to_le32(0x00000008)
 615 #define FILE_SYNCHRONOUS_IO_ALERT_LE    cpu_to_le32(0x00000010)
 616 #define FILE_SYNCHRONOUS_IO_NON_ALERT_LE        cpu_to_le32(0x00000020)
 617 #define FILE_NON_DIRECTORY_FILE_LE      cpu_to_le32(0x00000040)
 618 #define FILE_COMPLETE_IF_OPLOCKED_LE    cpu_to_le32(0x00000100)
 619 #define FILE_NO_EA_KNOWLEDGE_LE         cpu_to_le32(0x00000200)
 620 #define FILE_RANDOM_ACCESS_LE           cpu_to_le32(0x00000800)
 621 #define FILE_DELETE_ON_CLOSE_LE         cpu_to_le32(0x00001000)
 622 #define FILE_OPEN_BY_FILE_ID_LE         cpu_to_le32(0x00002000)
 623 #define FILE_OPEN_FOR_BACKUP_INTENT_LE  cpu_to_le32(0x00004000)
 624 #define FILE_NO_COMPRESSION_LE          cpu_to_le32(0x00008000)
 625 #define FILE_RESERVE_OPFILTER_LE        cpu_to_le32(0x00100000)
 626 #define FILE_OPEN_REPARSE_POINT_LE      cpu_to_le32(0x00200000)
 627 #define FILE_OPEN_NO_RECALL_LE          cpu_to_le32(0x00400000)
 628 #define FILE_OPEN_FOR_FREE_SPACE_QUERY_LE cpu_to_le32(0x00800000)
 629
 630 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \
 631                         | FILE_READ_ATTRIBUTES_LE)
 632 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \
 633                         | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE)
 634 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE)
 635
 636 /* Impersonation Levels */
 637 #define IL_ANONYMOUS            cpu_to_le32(0x00000000)
 638 #define IL_IDENTIFICATION       cpu_to_le32(0x00000001)
 639 #define IL_IMPERSONATION        cpu_to_le32(0x00000002)
 640 #define IL_DELEGATE             cpu_to_le32(0x00000003)
 641
 642 /* Create Context Values */
 643 #define SMB2_CREATE_EA_BUFFER                   "ExtA" /* extended attributes */
 644 #define SMB2_CREATE_SD_BUFFER                   "SecD" /* security descriptor */
 645 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST      "DHnQ"
 646 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT    "DHnC"
 647 #define SMB2_CREATE_ALLOCATION_SIZE             "AISi"
 648 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc"
 649 #define SMB2_CREATE_TIMEWARP_REQUEST            "TWrp"
 650 #define SMB2_CREATE_QUERY_ON_DISK_ID            "QFid"
 651 #define SMB2_CREATE_REQUEST_LEASE               "RqLs"
 652 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2   "DH2Q"
 653 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C"
 654 #define SMB2_CREATE_APP_INSTANCE_ID     0x45BCA66AEFA7F74A9008FA462E144D74
 655 #define SMB2_CREATE_APP_INSTANCE_VERSION 0xB982D0B73B56074FA07B524A8116A010
 656 #define SVHDX_OPEN_DEVICE_CONTEX        0x9CCBCF9E04C1E643980E158DA1F6EC83
 657 #define SMB2_CREATE_TAG_POSIX           0x93AD25509CB411E7B42383DE968BCD7C
 658
 659 /* Flag (SMB3 open response) values */
 660 #define SMB2_CREATE_FLAG_REPARSEPOINT 0x01
 661
 662 /*
 663  * Maximum number of iovs we need for an open/create request.
 664  * [0] : struct smb2_create_req
 665  * [1] : path
 666  * [2] : lease context
 667  * [3] : durable context
 668  * [4] : posix context
 669  * [5] : time warp context
 670  * [6] : query id context
 671  * [7] : compound padding
 672  */
 673 #define SMB2_CREATE_IOV_SIZE 8
 674
 675 struct smb2_create_req {
 676         struct smb2_sync_hdr sync_hdr;
 677         __le16 StructureSize;   /* Must be 57 */
 678         __u8   SecurityFlags;
 679         __u8   RequestedOplockLevel;
 680         __le32 ImpersonationLevel;
 681         __le64 SmbCreateFlags;
 682         __le64 Reserved;
 683         __le32 DesiredAccess;
 684         __le32 FileAttributes;
 685         __le32 ShareAccess;
 686         __le32 CreateDisposition;
 687         __le32 CreateOptions;
 688         __le16 NameOffset;
 689         __le16 NameLength;
 690         __le32 CreateContextsOffset;
 691         __le32 CreateContextsLength;
 692         __u8   Buffer[0];
 693 } __packed;
 694
 695 /*
 696  * Maximum size of a SMB2_CREATE response is 64 (smb2 header) +
 697  * 88 (fixed part of create response) + 520 (path) + 208 (contexts) +
 698  * 2 bytes of padding.
 699  */
 700 #define MAX_SMB2_CREATE_RESPONSE_SIZE 880
 701
 702 struct smb2_create_rsp {
 703         struct smb2_sync_hdr sync_hdr;
 704         __le16 StructureSize;   /* Must be 89 */
 705         __u8   OplockLevel;
 706         __u8   Flag;  /* 0x01 if reparse point */
 707         __le32 CreateAction;
 708         __le64 CreationTime;
 709         __le64 LastAccessTime;
 710         __le64 LastWriteTime;
 711         __le64 ChangeTime;
 712         __le64 AllocationSize;
 713         __le64 EndofFile;
 714         __le32 FileAttributes;
 715         __le32 Reserved2;
 716         __u64  PersistentFileId; /* opaque endianness */
 717         __u64  VolatileFileId; /* opaque endianness */
 718         __le32 CreateContextsOffset;
 719         __le32 CreateContextsLength;
 720         __u8   Buffer[1];
 721 } __packed;
 722
 723 struct create_context {
 724         __le32 Next;
 725         __le16 NameOffset;
 726         __le16 NameLength;
 727         __le16 Reserved;
 728         __le16 DataOffset;
 729         __le32 DataLength;
 730         __u8 Buffer[0];
 731 } __packed;
 732
 733 #define SMB2_LEASE_READ_CACHING_HE      0x01
 734 #define SMB2_LEASE_HANDLE_CACHING_HE    0x02
 735 #define SMB2_LEASE_WRITE_CACHING_HE     0x04
 736
 737 #define SMB2_LEASE_NONE                 cpu_to_le32(0x00)
 738 #define SMB2_LEASE_READ_CACHING         cpu_to_le32(0x01)
 739 #define SMB2_LEASE_HANDLE_CACHING       cpu_to_le32(0x02)
 740 #define SMB2_LEASE_WRITE_CACHING        cpu_to_le32(0x04)
 741
 742 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS cpu_to_le32(0x02)
 743 #define SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET cpu_to_le32(0x00000004)
 744
 745 #define SMB2_LEASE_KEY_SIZE 16
 746
 747 struct lease_context {
 748         u8 LeaseKey[SMB2_LEASE_KEY_SIZE];
 749         __le32 LeaseState;
 750         __le32 LeaseFlags;
 751         __le64 LeaseDuration;
 752 } __packed;
 753
 754 struct lease_context_v2 {
 755         u8 LeaseKey[SMB2_LEASE_KEY_SIZE];
 756         __le32 LeaseState;
 757         __le32 LeaseFlags;
 758         __le64 LeaseDuration;
 759         __le64 ParentLeaseKeyLow;
 760         __le64 ParentLeaseKeyHigh;
 761         __le16 Epoch;
 762         __le16 Reserved;
 763 } __packed;
 764
 765 struct create_lease {
 766         struct create_context ccontext;
 767         __u8   Name[8];
 768         struct lease_context lcontext;
 769 } __packed;
 770
 771 struct create_lease_v2 {
 772         struct create_context ccontext;
 773         __u8   Name[8];
 774         struct lease_context_v2 lcontext;
 775         __u8   Pad[4];
 776 } __packed;
 777
 778 struct create_durable {
 779         struct create_context ccontext;
 780         __u8   Name[8];
 781         union {
 782                 __u8  Reserved[16];
 783                 struct {
 784                         __u64 PersistentFileId;
 785                         __u64 VolatileFileId;
 786                 } Fid;
 787         } Data;
 788 } __packed;
 789
 790 struct create_posix {
 791         struct create_context ccontext;
 792         __u8    Name[16];
 793         __le32  Mode;
 794         __u32   Reserved;
 795 } __packed;
 796
 797 /* See MS-SMB2 2.2.13.2.11 */
 798 /* Flags */
 799 #define SMB2_DHANDLE_FLAG_PERSISTENT    0x00000002
 800 struct durable_context_v2 {
 801         __le32 Timeout;
 802         __le32 Flags;
 803         __u64 Reserved;
 804         __u8 CreateGuid[16];
 805 } __packed;
 806
 807 struct create_durable_v2 {
 808         struct create_context ccontext;
 809         __u8   Name[8];
 810         struct durable_context_v2 dcontext;
 811 } __packed;
 812
 813 /* See MS-SMB2 2.2.13.2.12 */
 814 struct durable_reconnect_context_v2 {
 815         struct {
 816                 __u64 PersistentFileId;
 817                 __u64 VolatileFileId;
 818         } Fid;
 819         __u8 CreateGuid[16];
 820         __le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
 821 } __packed;
 822
 823 /* See MS-SMB2 2.2.14.2.9 */
 824 struct create_on_disk_id {
 825         struct create_context ccontext;
 826         __u8   Name[8];
 827         __le64 DiskFileId;
 828         __le64 VolumeId;
 829         __u32  Reserved[4];
 830 } __packed;
 831
 832 /* See MS-SMB2 2.2.14.2.12 */
 833 struct durable_reconnect_context_v2_rsp {
 834         __le32 Timeout;
 835         __le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
 836 } __packed;
 837
 838 struct create_durable_handle_reconnect_v2 {
 839         struct create_context ccontext;
 840         __u8   Name[8];
 841         struct durable_reconnect_context_v2 dcontext;
 842         __u8   Pad[4];
 843 } __packed;
 844
 845 /* See MS-SMB2 2.2.13.2.5 */
 846 struct crt_twarp_ctxt {
 847         struct create_context ccontext;
 848         __u8    Name[8];
 849         __le64  Timestamp;
 850
 851 } __packed;
 852
 853 /* See MS-SMB2 2.2.13.2.9 */
 854 struct crt_query_id_ctxt {
 855         struct create_context ccontext;
 856         __u8    Name[8];
 857 } __packed;
 858
 859 struct crt_sd_ctxt {
 860         struct create_context ccontext;
 861         __u8    Name[8];
 862         struct smb3_sd sd;
 863         struct smb3_acl acl;
 864         /* Followed by at least 4 ACEs */
 865 } __packed;
 866
 867
 868 #define COPY_CHUNK_RES_KEY_SIZE 24
 869 struct resume_key_req {
 870         char ResumeKey[COPY_CHUNK_RES_KEY_SIZE];
 871         __le32  ContextLength;  /* MBZ */
 872         char    Context[0];     /* ignored, Windows sets to 4 bytes of zero */
 873 } __packed;
 874
 875 /* this goes in the ioctl buffer when doing a copychunk request */
 876 struct copychunk_ioctl {
 877         char SourceKey[COPY_CHUNK_RES_KEY_SIZE];
 878         __le32 ChunkCount; /* we are only sending 1 */
 879         __le32 Reserved;
 880         /* array will only be one chunk long for us */
 881         __le64 SourceOffset;
 882         __le64 TargetOffset;
 883         __le32 Length; /* how many bytes to copy */
 884         __u32 Reserved2;
 885 } __packed;
 886
 887 /* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */
 888 struct file_zero_data_information {
 889         __le64  FileOffset;
 890         __le64  BeyondFinalZero;
 891 } __packed;
 892
 893 struct copychunk_ioctl_rsp {
 894         __le32 ChunksWritten;
 895         __le32 ChunkBytesWritten;
 896         __le32 TotalBytesWritten;
 897 } __packed;
 898
 899 struct fsctl_set_integrity_information_req {
 900         __le16  ChecksumAlgorithm;
 901         __le16  Reserved;
 902         __le32  Flags;
 903 } __packed;
 904
 905 struct fsctl_get_integrity_information_rsp {
 906         __le16  ChecksumAlgorithm;
 907         __le16  Reserved;
 908         __le32  Flags;
 909         __le32  ChecksumChunkSizeInBytes;
 910         __le32  ClusterSizeInBytes;
 911 } __packed;
 912
 913 struct file_allocated_range_buffer {
 914         __le64  file_offset;
 915         __le64  length;
 916 } __packed;
 917
 918 /* Integrity ChecksumAlgorithm choices for above */
 919 #define CHECKSUM_TYPE_NONE      0x0000
 920 #define CHECKSUM_TYPE_CRC64     0x0002
 921 #define CHECKSUM_TYPE_UNCHANGED 0xFFFF  /* set only */
 922
 923 /* Integrity flags for above */
 924 #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF   0x00000001
 925
 926 /* Reparse structures - see MS-FSCC 2.1.2 */
 927
 928 /* struct fsctl_reparse_info_req is empty, only response structs (see below) */
 929
 930 struct reparse_data_buffer {
 931         __le32  ReparseTag;
 932         __le16  ReparseDataLength;
 933         __u16   Reserved;
 934         __u8    DataBuffer[0]; /* Variable Length */
 935 } __packed;
 936
 937 struct reparse_guid_data_buffer {
 938         __le32  ReparseTag;
 939         __le16  ReparseDataLength;
 940         __u16   Reserved;
 941         __u8    ReparseGuid[16];
 942         __u8    DataBuffer[0]; /* Variable Length */
 943 } __packed;
 944
 945 struct reparse_mount_point_data_buffer {
 946         __le32  ReparseTag;
 947         __le16  ReparseDataLength;
 948         __u16   Reserved;
 949         __le16  SubstituteNameOffset;
 950         __le16  SubstituteNameLength;
 951         __le16  PrintNameOffset;
 952         __le16  PrintNameLength;
 953         __u8    PathBuffer[0]; /* Variable Length */
 954 } __packed;
 955
 956 #define SYMLINK_FLAG_RELATIVE 0x00000001
 957
 958 struct reparse_symlink_data_buffer {
 959         __le32  ReparseTag;
 960         __le16  ReparseDataLength;
 961         __u16   Reserved;
 962         __le16  SubstituteNameOffset;
 963         __le16  SubstituteNameLength;
 964         __le16  PrintNameOffset;
 965         __le16  PrintNameLength;
 966         __le32  Flags;
 967         __u8    PathBuffer[0]; /* Variable Length */
 968 } __packed;
 969
 970 /* See MS-FSCC 2.1.2.6 and cifspdu.h for struct reparse_posix_data */
 971
 972
 973 /* See MS-DFSC 2.2.2 */
 974 struct fsctl_get_dfs_referral_req {
 975         __le16 MaxReferralLevel;
 976         __u8 RequestFileName[];
 977 } __packed;
 978
 979 /* DFS response is struct get_dfs_refer_rsp */
 980
 981 /* See MS-SMB2 2.2.31.3 */
 982 struct network_resiliency_req {
 983         __le32 Timeout;
 984         __le32 Reserved;
 985 } __packed;
 986 /* There is no buffer for the response ie no struct network_resiliency_rsp */
 987
 988
 989 struct validate_negotiate_info_req {
 990         __le32 Capabilities;
 991         __u8   Guid[SMB2_CLIENT_GUID_SIZE];
 992         __le16 SecurityMode;
 993         __le16 DialectCount;
 994         __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */
 995 } __packed;
 996
 997 struct validate_negotiate_info_rsp {
 998         __le32 Capabilities;
 999         __u8   Guid[SMB2_CLIENT_GUID_SIZE];
1000         __le16 SecurityMode;
1001         __le16 Dialect; /* Dialect in use for the connection */
1002 } __packed;
1003
1004 #define RSS_CAPABLE     cpu_to_le32(0x00000001)
1005 #define RDMA_CAPABLE    cpu_to_le32(0x00000002)
1006
1007 #define INTERNETWORK    cpu_to_le16(0x0002)
1008 #define INTERNETWORKV6  cpu_to_le16(0x0017)
1009
1010 struct network_interface_info_ioctl_rsp {
1011         __le32 Next; /* next interface. zero if this is last one */
1012         __le32 IfIndex;
1013         __le32 Capability; /* RSS or RDMA Capable */
1014         __le32 Reserved;
1015         __le64 LinkSpeed;
1016         __le16 Family;
1017         __u8 Buffer[126];
1018 } __packed;
1019
1020 struct iface_info_ipv4 {
1021         __be16 Port;
1022         __be32 IPv4Address;
1023         __be64 Reserved;
1024 } __packed;
1025
1026 struct iface_info_ipv6 {
1027         __be16 Port;
1028         __be32 FlowInfo;
1029         __u8   IPv6Address[16];
1030         __be32 ScopeId;
1031 } __packed;
1032
1033 #define NO_FILE_ID 0xFFFFFFFFFFFFFFFFULL /* general ioctls to srv not to file */
1034
1035 struct compress_ioctl {
1036         __le16 CompressionState; /* See cifspdu.h for possible flag values */
1037 } __packed;
1038
1039 struct duplicate_extents_to_file {
1040         __u64 PersistentFileHandle; /* source file handle, opaque endianness */
1041         __u64 VolatileFileHandle;
1042         __le64 SourceFileOffset;
1043         __le64 TargetFileOffset;
1044         __le64 ByteCount;  /* Bytes to be copied */
1045 } __packed;
1046
1047 /*
1048  * Maximum number of iovs we need for an ioctl request.
1049  * [0] : struct smb2_ioctl_req
1050  * [1] : in_data
1051  */
1052 #define SMB2_IOCTL_IOV_SIZE 2
1053
1054 struct smb2_ioctl_req {
1055         struct smb2_sync_hdr sync_hdr;
1056         __le16 StructureSize;   /* Must be 57 */
1057         __u16 Reserved;
1058         __le32 CtlCode;
1059         __u64  PersistentFileId; /* opaque endianness */
1060         __u64  VolatileFileId; /* opaque endianness */
1061         __le32 InputOffset;
1062         __le32 InputCount;
1063         __le32 MaxInputResponse;
1064         __le32 OutputOffset;
1065         __le32 OutputCount;
1066         __le32 MaxOutputResponse;
1067         __le32 Flags;
1068         __u32  Reserved2;
1069         __u8   Buffer[0];
1070 } __packed;
1071
1072 struct smb2_ioctl_rsp {
1073         struct smb2_sync_hdr sync_hdr;
1074         __le16 StructureSize;   /* Must be 57 */
1075         __u16 Reserved;
1076         __le32 CtlCode;
1077         __u64  PersistentFileId; /* opaque endianness */
1078         __u64  VolatileFileId; /* opaque endianness */
1079         __le32 InputOffset;
1080         __le32 InputCount;
1081         __le32 OutputOffset;
1082         __le32 OutputCount;
1083         __le32 Flags;
1084         __u32  Reserved2;
1085         /* char * buffer[] */
1086 } __packed;
1087
1088 /* Currently defined values for close flags */
1089 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB        cpu_to_le16(0x0001)
1090 struct smb2_close_req {
1091         struct smb2_sync_hdr sync_hdr;
1092         __le16 StructureSize;   /* Must be 24 */
1093         __le16 Flags;
1094         __le32 Reserved;
1095         __u64  PersistentFileId; /* opaque endianness */
1096         __u64  VolatileFileId; /* opaque endianness */
1097 } __packed;
1098
1099 /*
1100  * Maximum size of a SMB2_CLOSE response is 64 (smb2 header) + 60 (data)
1101  */
1102 #define MAX_SMB2_CLOSE_RESPONSE_SIZE 124
1103
1104 struct smb2_close_rsp {
1105         struct smb2_sync_hdr sync_hdr;
1106         __le16 StructureSize; /* 60 */
1107         __le16 Flags;
1108         __le32 Reserved;
1109         __le64 CreationTime;
1110         __le64 LastAccessTime;
1111         __le64 LastWriteTime;
1112         __le64 ChangeTime;
1113         __le64 AllocationSize;  /* Beginning of FILE_STANDARD_INFO equivalent */
1114         __le64 EndOfFile;
1115         __le32 Attributes;
1116 } __packed;
1117
1118 struct smb2_flush_req {
1119         struct smb2_sync_hdr sync_hdr;
1120         __le16 StructureSize;   /* Must be 24 */
1121         __le16 Reserved1;
1122         __le32 Reserved2;
1123         __u64  PersistentFileId; /* opaque endianness */
1124         __u64  VolatileFileId; /* opaque endianness */
1125 } __packed;
1126
1127 struct smb2_flush_rsp {
1128         struct smb2_sync_hdr sync_hdr;
1129         __le16 StructureSize;
1130         __le16 Reserved;
1131 } __packed;
1132
1133 /* For read request Flags field below, following flag is defined for SMB3.02 */
1134 #define SMB2_READFLAG_READ_UNBUFFERED   0x01
1135 #define SMB2_READFLAG_REQUEST_COMPRESSED 0x02 /* See MS-SMB2 2.2.19 */
1136
1137 /* Channel field for read and write: exactly one of following flags can be set*/
1138 #define SMB2_CHANNEL_NONE       cpu_to_le32(0x00000000)
1139 #define SMB2_CHANNEL_RDMA_V1    cpu_to_le32(0x00000001) /* SMB3 or later */
1140 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) /* >= SMB3.02 */
1141
1142 /* SMB2 read request without RFC1001 length at the beginning */
1143 struct smb2_read_plain_req {
1144         struct smb2_sync_hdr sync_hdr;
1145         __le16 StructureSize; /* Must be 49 */
1146         __u8   Padding; /* offset from start of SMB2 header to place read */
1147         __u8   Flags; /* MBZ unless SMB3.02 or later */
1148         __le32 Length;
1149         __le64 Offset;
1150         __u64  PersistentFileId; /* opaque endianness */
1151         __u64  VolatileFileId; /* opaque endianness */
1152         __le32 MinimumCount;
1153         __le32 Channel; /* MBZ except for SMB3 or later */
1154         __le32 RemainingBytes;
1155         __le16 ReadChannelInfoOffset;
1156         __le16 ReadChannelInfoLength;
1157         __u8   Buffer[1];
1158 } __packed;
1159
1160 struct smb2_read_rsp {
1161         struct smb2_sync_hdr sync_hdr;
1162         __le16 StructureSize; /* Must be 17 */
1163         __u8   DataOffset;
1164         __u8   Reserved;
1165         __le32 DataLength;
1166         __le32 DataRemaining;
1167         __u32  Reserved2;
1168         __u8   Buffer[1];
1169 } __packed;
1170
1171 /* For write request Flags field below the following flags are defined: */
1172 #define SMB2_WRITEFLAG_WRITE_THROUGH    0x00000001      /* SMB2.1 or later */
1173 #define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002      /* SMB3.02 or later */
1174
1175 struct smb2_write_req {
1176         struct smb2_sync_hdr sync_hdr;
1177         __le16 StructureSize; /* Must be 49 */
1178         __le16 DataOffset; /* offset from start of SMB2 header to write data */
1179         __le32 Length;
1180         __le64 Offset;
1181         __u64  PersistentFileId; /* opaque endianness */
1182         __u64  VolatileFileId; /* opaque endianness */
1183         __le32 Channel; /* Reserved MBZ */
1184         __le32 RemainingBytes;
1185         __le16 WriteChannelInfoOffset;
1186         __le16 WriteChannelInfoLength;
1187         __le32 Flags;
1188         __u8   Buffer[1];
1189 } __packed;
1190
1191 struct smb2_write_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 /* notify flags */
1203 #define SMB2_WATCH_TREE                 0x0001
1204
1205 /* notify completion filter flags. See MS-FSCC 2.6 and MS-SMB2 2.2.35 */
1206 #define FILE_NOTIFY_CHANGE_FILE_NAME            0x00000001
1207 #define FILE_NOTIFY_CHANGE_DIR_NAME             0x00000002
1208 #define FILE_NOTIFY_CHANGE_ATTRIBUTES           0x00000004
1209 #define FILE_NOTIFY_CHANGE_SIZE                 0x00000008
1210 #define FILE_NOTIFY_CHANGE_LAST_WRITE           0x00000010
1211 #define FILE_NOTIFY_CHANGE_LAST_ACCESS          0x00000020
1212 #define FILE_NOTIFY_CHANGE_CREATION             0x00000040
1213 #define FILE_NOTIFY_CHANGE_EA                   0x00000080
1214 #define FILE_NOTIFY_CHANGE_SECURITY             0x00000100
1215 #define FILE_NOTIFY_CHANGE_STREAM_NAME          0x00000200
1216 #define FILE_NOTIFY_CHANGE_STREAM_SIZE          0x00000400
1217 #define FILE_NOTIFY_CHANGE_STREAM_WRITE         0x00000800
1218
1219 struct smb2_change_notify_req {
1220         struct smb2_sync_hdr sync_hdr;
1221         __le16  StructureSize;
1222         __le16  Flags;
1223         __le32  OutputBufferLength;
1224         __u64   PersistentFileId; /* opaque endianness */
1225         __u64   VolatileFileId; /* opaque endianness */
1226         __le32  CompletionFilter;
1227         __u32   Reserved;
1228 } __packed;
1229
1230 struct smb2_change_notify_rsp {
1231         struct smb2_sync_hdr sync_hdr;
1232         __le16  StructureSize;  /* Must be 9 */
1233         __le16  OutputBufferOffset;
1234         __le32  OutputBufferLength;
1235         __u8    Buffer[1]; /* array of file notify structs */
1236 } __packed;
1237
1238 #define SMB2_LOCKFLAG_SHARED_LOCK       0x0001
1239 #define SMB2_LOCKFLAG_EXCLUSIVE_LOCK    0x0002
1240 #define SMB2_LOCKFLAG_UNLOCK            0x0004
1241 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY  0x0010
1242
1243 struct smb2_lock_element {
1244         __le64 Offset;
1245         __le64 Length;
1246         __le32 Flags;
1247         __le32 Reserved;
1248 } __packed;
1249
1250 struct smb2_lock_req {
1251         struct smb2_sync_hdr sync_hdr;
1252         __le16 StructureSize; /* Must be 48 */
1253         __le16 LockCount;
1254         __le32 Reserved;
1255         __u64  PersistentFileId; /* opaque endianness */
1256         __u64  VolatileFileId; /* opaque endianness */
1257         /* Followed by at least one */
1258         struct smb2_lock_element locks[1];
1259 } __packed;
1260
1261 struct smb2_lock_rsp {
1262         struct smb2_sync_hdr sync_hdr;
1263         __le16 StructureSize; /* Must be 4 */
1264         __le16 Reserved;
1265 } __packed;
1266
1267 struct smb2_echo_req {
1268         struct smb2_sync_hdr sync_hdr;
1269         __le16 StructureSize;   /* Must be 4 */
1270         __u16  Reserved;
1271 } __packed;
1272
1273 struct smb2_echo_rsp {
1274         struct smb2_sync_hdr sync_hdr;
1275         __le16 StructureSize;   /* Must be 4 */
1276         __u16  Reserved;
1277 } __packed;
1278
1279 /* search (query_directory) Flags field */
1280 #define SMB2_RESTART_SCANS              0x01
1281 #define SMB2_RETURN_SINGLE_ENTRY        0x02
1282 #define SMB2_INDEX_SPECIFIED            0x04
1283 #define SMB2_REOPEN                     0x10
1284
1285 #define SMB2_QUERY_DIRECTORY_IOV_SIZE 2
1286
1287 struct smb2_query_directory_req {
1288         struct smb2_sync_hdr sync_hdr;
1289         __le16 StructureSize; /* Must be 33 */
1290         __u8   FileInformationClass;
1291         __u8   Flags;
1292         __le32 FileIndex;
1293         __u64  PersistentFileId; /* opaque endianness */
1294         __u64  VolatileFileId; /* opaque endianness */
1295         __le16 FileNameOffset;
1296         __le16 FileNameLength;
1297         __le32 OutputBufferLength;
1298         __u8   Buffer[1];
1299 } __packed;
1300
1301 struct smb2_query_directory_rsp {
1302         struct smb2_sync_hdr sync_hdr;
1303         __le16 StructureSize; /* Must be 9 */
1304         __le16 OutputBufferOffset;
1305         __le32 OutputBufferLength;
1306         __u8   Buffer[1];
1307 } __packed;
1308
1309 /* Possible InfoType values */
1310 #define SMB2_O_INFO_FILE        0x01
1311 #define SMB2_O_INFO_FILESYSTEM  0x02
1312 #define SMB2_O_INFO_SECURITY    0x03
1313 #define SMB2_O_INFO_QUOTA       0x04
1314
1315 /* Security info type additionalinfo flags. See MS-SMB2 (2.2.37) or MS-DTYP */
1316 #define OWNER_SECINFO   0x00000001
1317 #define GROUP_SECINFO   0x00000002
1318 #define DACL_SECINFO   0x00000004
1319 #define SACL_SECINFO   0x00000008
1320 #define LABEL_SECINFO   0x00000010
1321 #define ATTRIBUTE_SECINFO   0x00000020
1322 #define SCOPE_SECINFO   0x00000040
1323 #define BACKUP_SECINFO   0x00010000
1324 #define UNPROTECTED_SACL_SECINFO   0x10000000
1325 #define UNPROTECTED_DACL_SECINFO   0x20000000
1326 #define PROTECTED_SACL_SECINFO   0x40000000
1327 #define PROTECTED_DACL_SECINFO   0x80000000
1328
1329 /* Flags used for FileFullEAinfo */
1330 #define SL_RESTART_SCAN         0x00000001
1331 #define SL_RETURN_SINGLE_ENTRY  0x00000002
1332 #define SL_INDEX_SPECIFIED      0x00000004
1333
1334 struct smb2_query_info_req {
1335         struct smb2_sync_hdr sync_hdr;
1336         __le16 StructureSize; /* Must be 41 */
1337         __u8   InfoType;
1338         __u8   FileInfoClass;
1339         __le32 OutputBufferLength;
1340         __le16 InputBufferOffset;
1341         __u16  Reserved;
1342         __le32 InputBufferLength;
1343         __le32 AdditionalInformation;
1344         __le32 Flags;
1345         __u64  PersistentFileId; /* opaque endianness */
1346         __u64  VolatileFileId; /* opaque endianness */
1347         __u8   Buffer[1];
1348 } __packed;
1349
1350 struct smb2_query_info_rsp {
1351         struct smb2_sync_hdr sync_hdr;
1352         __le16 StructureSize; /* Must be 9 */
1353         __le16 OutputBufferOffset;
1354         __le32 OutputBufferLength;
1355         __u8   Buffer[1];
1356 } __packed;
1357
1358 /*
1359  * Maximum number of iovs we need for a set-info request.
1360  * The largest one is rename/hardlink
1361  * [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info
1362  * [1] : path
1363  * [2] : compound padding
1364  */
1365 #define SMB2_SET_INFO_IOV_SIZE 3
1366
1367 struct smb2_set_info_req {
1368         struct smb2_sync_hdr sync_hdr;
1369         __le16 StructureSize; /* Must be 33 */
1370         __u8   InfoType;
1371         __u8   FileInfoClass;
1372         __le32 BufferLength;
1373         __le16 BufferOffset;
1374         __u16  Reserved;
1375         __le32 AdditionalInformation;
1376         __u64  PersistentFileId; /* opaque endianness */
1377         __u64  VolatileFileId; /* opaque endianness */
1378         __u8   Buffer[1];
1379 } __packed;
1380
1381 struct smb2_set_info_rsp {
1382         struct smb2_sync_hdr sync_hdr;
1383         __le16 StructureSize; /* Must be 2 */
1384 } __packed;
1385
1386 struct smb2_oplock_break {
1387         struct smb2_sync_hdr sync_hdr;
1388         __le16 StructureSize; /* Must be 24 */
1389         __u8   OplockLevel;
1390         __u8   Reserved;
1391         __le32 Reserved2;
1392         __u64  PersistentFid;
1393         __u64  VolatileFid;
1394 } __packed;
1395
1396 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01)
1397
1398 struct smb2_lease_break {
1399         struct smb2_sync_hdr sync_hdr;
1400         __le16 StructureSize; /* Must be 44 */
1401         __le16 Epoch;
1402         __le32 Flags;
1403         __u8   LeaseKey[16];
1404         __le32 CurrentLeaseState;
1405         __le32 NewLeaseState;
1406         __le32 BreakReason;
1407         __le32 AccessMaskHint;
1408         __le32 ShareMaskHint;
1409 } __packed;
1410
1411 struct smb2_lease_ack {
1412         struct smb2_sync_hdr sync_hdr;
1413         __le16 StructureSize; /* Must be 36 */
1414         __le16 Reserved;
1415         __le32 Flags;
1416         __u8   LeaseKey[16];
1417         __le32 LeaseState;
1418         __le64 LeaseDuration;
1419 } __packed;
1420
1421 /*
1422  *      PDU infolevel structure definitions
1423  *      BB consider moving to a different header
1424  */
1425
1426 /* File System Information Classes */
1427 #define FS_VOLUME_INFORMATION           1 /* Query */
1428 #define FS_LABEL_INFORMATION            2 /* Local only */
1429 #define FS_SIZE_INFORMATION             3 /* Query */
1430 #define FS_DEVICE_INFORMATION           4 /* Query */
1431 #define FS_ATTRIBUTE_INFORMATION        5 /* Query */
1432 #define FS_CONTROL_INFORMATION          6 /* Query, Set */
1433 #define FS_FULL_SIZE_INFORMATION        7 /* Query */
1434 #define FS_OBJECT_ID_INFORMATION        8 /* Query, Set */
1435 #define FS_DRIVER_PATH_INFORMATION      9 /* Local only */
1436 #define FS_VOLUME_FLAGS_INFORMATION     10 /* Local only */
1437 #define FS_SECTOR_SIZE_INFORMATION      11 /* SMB3 or later. Query */
1438 #define FS_POSIX_INFORMATION            100 /* SMB3.1.1 POSIX. Query */
1439
1440 struct smb2_fs_full_size_info {
1441         __le64 TotalAllocationUnits;
1442         __le64 CallerAvailableAllocationUnits;
1443         __le64 ActualAvailableAllocationUnits;
1444         __le32 SectorsPerAllocationUnit;
1445         __le32 BytesPerSector;
1446 } __packed;
1447
1448 #define SSINFO_FLAGS_ALIGNED_DEVICE             0x00000001
1449 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002
1450 #define SSINFO_FLAGS_NO_SEEK_PENALTY            0x00000004
1451 #define SSINFO_FLAGS_TRIM_ENABLED               0x00000008
1452
1453 /* sector size info struct */
1454 struct smb3_fs_ss_info {
1455         __le32 LogicalBytesPerSector;
1456         __le32 PhysicalBytesPerSectorForAtomicity;
1457         __le32 PhysicalBytesPerSectorForPerf;
1458         __le32 FileSystemEffectivePhysicalBytesPerSectorForAtomicity;
1459         __le32 Flags;
1460         __le32 ByteOffsetForSectorAlignment;
1461         __le32 ByteOffsetForPartitionAlignment;
1462 } __packed;
1463
1464 /* volume info struct - see MS-FSCC 2.5.9 */
1465 #define MAX_VOL_LABEL_LEN       32
1466 struct smb3_fs_vol_info {
1467         __le64  VolumeCreationTime;
1468         __u32   VolumeSerialNumber;
1469         __le32  VolumeLabelLength; /* includes trailing null */
1470         __u8    SupportsObjects; /* True if eg like NTFS, supports objects */
1471         __u8    Reserved;
1472         __u8    VolumeLabel[0]; /* variable len */
1473 } __packed;
1474
1475 /* partial list of QUERY INFO levels */
1476 #define FILE_DIRECTORY_INFORMATION      1
1477 #define FILE_FULL_DIRECTORY_INFORMATION 2
1478 #define FILE_BOTH_DIRECTORY_INFORMATION 3
1479 #define FILE_BASIC_INFORMATION          4
1480 #define FILE_STANDARD_INFORMATION       5
1481 #define FILE_INTERNAL_INFORMATION       6
1482 #define FILE_EA_INFORMATION             7
1483 #define FILE_ACCESS_INFORMATION         8
1484 #define FILE_NAME_INFORMATION           9
1485 #define FILE_RENAME_INFORMATION         10
1486 #define FILE_LINK_INFORMATION           11
1487 #define FILE_NAMES_INFORMATION          12
1488 #define FILE_DISPOSITION_INFORMATION    13
1489 #define FILE_POSITION_INFORMATION       14
1490 #define FILE_FULL_EA_INFORMATION        15
1491 #define FILE_MODE_INFORMATION           16
1492 #define FILE_ALIGNMENT_INFORMATION      17
1493 #define FILE_ALL_INFORMATION            18
1494 #define FILE_ALLOCATION_INFORMATION     19
1495 #define FILE_END_OF_FILE_INFORMATION    20
1496 #define FILE_ALTERNATE_NAME_INFORMATION 21
1497 #define FILE_STREAM_INFORMATION         22
1498 #define FILE_PIPE_INFORMATION           23
1499 #define FILE_PIPE_LOCAL_INFORMATION     24
1500 #define FILE_PIPE_REMOTE_INFORMATION    25
1501 #define FILE_MAILSLOT_QUERY_INFORMATION 26
1502 #define FILE_MAILSLOT_SET_INFORMATION   27
1503 #define FILE_COMPRESSION_INFORMATION    28
1504 #define FILE_OBJECT_ID_INFORMATION      29
1505 /* Number 30 not defined in documents */
1506 #define FILE_MOVE_CLUSTER_INFORMATION   31
1507 #define FILE_QUOTA_INFORMATION          32
1508 #define FILE_REPARSE_POINT_INFORMATION  33
1509 #define FILE_NETWORK_OPEN_INFORMATION   34
1510 #define FILE_ATTRIBUTE_TAG_INFORMATION  35
1511 #define FILE_TRACKING_INFORMATION       36
1512 #define FILEID_BOTH_DIRECTORY_INFORMATION 37
1513 #define FILEID_FULL_DIRECTORY_INFORMATION 38
1514 #define FILE_VALID_DATA_LENGTH_INFORMATION 39
1515 #define FILE_SHORT_NAME_INFORMATION     40
1516 #define FILE_SFIO_RESERVE_INFORMATION   44
1517 #define FILE_SFIO_VOLUME_INFORMATION    45
1518 #define FILE_HARD_LINK_INFORMATION      46
1519 #define FILE_NORMALIZED_NAME_INFORMATION 48
1520 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50
1521 #define FILE_STANDARD_LINK_INFORMATION  54
1522 #define FILE_ID_INFORMATION             59
1523
1524 struct smb2_file_internal_info {
1525         __le64 IndexNumber;
1526 } __packed; /* level 6 Query */
1527
1528 struct smb2_file_rename_info { /* encoding of request for level 10 */
1529         __u8   ReplaceIfExists; /* 1 = replace existing target with new */
1530                                 /* 0 = fail if target already exists */
1531         __u8   Reserved[7];
1532         __u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
1533         __le32 FileNameLength;
1534         char   FileName[0];     /* New name to be assigned */
1535 } __packed; /* level 10 Set */
1536
1537 struct smb2_file_link_info { /* encoding of request for level 11 */
1538         __u8   ReplaceIfExists; /* 1 = replace existing link with new */
1539                                 /* 0 = fail if link already exists */
1540         __u8   Reserved[7];
1541         __u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
1542         __le32 FileNameLength;
1543         char   FileName[0];     /* Name to be assigned to new link */
1544 } __packed; /* level 11 Set */
1545
1546 struct smb2_file_full_ea_info { /* encoding of response for level 15 */
1547         __le32 next_entry_offset;
1548         __u8   flags;
1549         __u8   ea_name_length;
1550         __le16 ea_value_length;
1551         char   ea_data[0]; /* \0 terminated name plus value */
1552 } __packed; /* level 15 Set */
1553
1554 /*
1555  * This level 18, although with struct with same name is different from cifs
1556  * level 0x107. Level 0x107 has an extra u64 between AccessFlags and
1557  * CurrentByteOffset.
1558  */
1559 struct smb2_file_all_info { /* data block encoding of response to level 18 */
1560         __le64 CreationTime;    /* Beginning of FILE_BASIC_INFO equivalent */
1561         __le64 LastAccessTime;
1562         __le64 LastWriteTime;
1563         __le64 ChangeTime;
1564         __le32 Attributes;
1565         __u32  Pad1;            /* End of FILE_BASIC_INFO_INFO equivalent */
1566         __le64 AllocationSize;  /* Beginning of FILE_STANDARD_INFO equivalent */
1567         __le64 EndOfFile;       /* size ie offset to first free byte in file */
1568         __le32 NumberOfLinks;   /* hard links */
1569         __u8   DeletePending;
1570         __u8   Directory;
1571         __u16  Pad2;            /* End of FILE_STANDARD_INFO equivalent */
1572         __le64 IndexNumber;
1573         __le32 EASize;
1574         __le32 AccessFlags;
1575         __le64 CurrentByteOffset;
1576         __le32 Mode;
1577         __le32 AlignmentRequirement;
1578         __le32 FileNameLength;
1579         char   FileName[1];
1580 } __packed; /* level 18 Query */
1581
1582 struct smb2_file_eof_info { /* encoding of request for level 10 */
1583         __le64 EndOfFile; /* new end of file value */
1584 } __packed; /* level 20 Set */
1585
1586 struct smb2_file_network_open_info {
1587         __le64 CreationTime;
1588         __le64 LastAccessTime;
1589         __le64 LastWriteTime;
1590         __le64 ChangeTime;
1591         __le64 AllocationSize;
1592         __le64 EndOfFile;
1593         __le32 Attributes;
1594         __le32 Reserved;
1595 } __packed; /* level 34 Query also similar returned in close rsp and open rsp */
1596
1597 /* See MS-FSCC 2.4.43 */
1598 struct smb2_file_id_information {
1599         __le64  VolumeSerialNumber;
1600         __u64  PersistentFileId; /* opaque endianness */
1601         __u64  VolatileFileId; /* opaque endianness */
1602 } __packed; /* level 59 */
1603
1604 extern char smb2_padding[7];
1605
1606 /* equivalent of the contents of SMB3.1.1 POSIX open context response */
1607 struct smb_posix_info {
1608         __le32 nlink;
1609         __le32 reparse_tag;
1610         __le32 mode;
1611         kuid_t  uid;
1612         kuid_t  gid;
1613 };
1614 #endif                          /* _SMB2PDU_H */