fs/cifs/smb2pdu.h

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   1 /*
   2  *   fs/cifs/smb2pdu.h
   3  *
   4  *   Copyright (c) International Business Machines  Corp., 2009, 2013
   5  *                 Etersoft, 2012
   6  *   Author(s): Steve French (sfrench@us.ibm.com)
   7  *              Pavel Shilovsky (pshilovsky@samba.org) 2012
   8  *
   9  *   This library is free software; you can redistribute it and/or modify
  10  *   it under the terms of the GNU Lesser General Public License as published
  11  *   by the Free Software Foundation; either version 2.1 of the License, or
  12  *   (at your option) any later version.
  13  *
  14  *   This library is distributed in the hope that it will be useful,
  15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
  17  *   the GNU Lesser General Public License for more details.
  18  *
  19  *   You should have received a copy of the GNU Lesser General Public License
  20  *   along with this library; if not, write to the Free Software
  21  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  22  */
  23 
  24 #ifndef _SMB2PDU_H
  25 #define _SMB2PDU_H
  26 
  27 #include <net/sock.h>
  28 
  29 /*
  30  * Note that, due to trying to use names similar to the protocol specifications,
  31  * there are many mixed case field names in the structures below.  Although
  32  * this does not match typical Linux kernel style, it is necessary to be
  33  * be able to match against the protocol specfication.
  34  *
  35  * SMB2 commands
  36  * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses
  37  * (ie no useful data other than the SMB error code itself) and are marked such.
  38  * Knowing this helps avoid response buffer allocations and copy in some cases.
  39  */
  40 
  41 /* List of commands in host endian */
  42 #define SMB2_NEGOTIATE_HE       0x0000
  43 #define SMB2_SESSION_SETUP_HE   0x0001
  44 #define SMB2_LOGOFF_HE          0x0002 /* trivial request/resp */
  45 #define SMB2_TREE_CONNECT_HE    0x0003
  46 #define SMB2_TREE_DISCONNECT_HE 0x0004 /* trivial req/resp */
  47 #define SMB2_CREATE_HE          0x0005
  48 #define SMB2_CLOSE_HE           0x0006
  49 #define SMB2_FLUSH_HE           0x0007 /* trivial resp */
  50 #define SMB2_READ_HE            0x0008
  51 #define SMB2_WRITE_HE           0x0009
  52 #define SMB2_LOCK_HE            0x000A
  53 #define SMB2_IOCTL_HE           0x000B
  54 #define SMB2_CANCEL_HE          0x000C
  55 #define SMB2_ECHO_HE            0x000D
  56 #define SMB2_QUERY_DIRECTORY_HE 0x000E
  57 #define SMB2_CHANGE_NOTIFY_HE   0x000F
  58 #define SMB2_QUERY_INFO_HE      0x0010
  59 #define SMB2_SET_INFO_HE        0x0011
  60 #define SMB2_OPLOCK_BREAK_HE    0x0012
  61 
  62 /* The same list in little endian */
  63 #define SMB2_NEGOTIATE          cpu_to_le16(SMB2_NEGOTIATE_HE)
  64 #define SMB2_SESSION_SETUP      cpu_to_le16(SMB2_SESSION_SETUP_HE)
  65 #define SMB2_LOGOFF             cpu_to_le16(SMB2_LOGOFF_HE)
  66 #define SMB2_TREE_CONNECT       cpu_to_le16(SMB2_TREE_CONNECT_HE)
  67 #define SMB2_TREE_DISCONNECT    cpu_to_le16(SMB2_TREE_DISCONNECT_HE)
  68 #define SMB2_CREATE             cpu_to_le16(SMB2_CREATE_HE)
  69 #define SMB2_CLOSE              cpu_to_le16(SMB2_CLOSE_HE)
  70 #define SMB2_FLUSH              cpu_to_le16(SMB2_FLUSH_HE)
  71 #define SMB2_READ               cpu_to_le16(SMB2_READ_HE)
  72 #define SMB2_WRITE              cpu_to_le16(SMB2_WRITE_HE)
  73 #define SMB2_LOCK               cpu_to_le16(SMB2_LOCK_HE)
  74 #define SMB2_IOCTL              cpu_to_le16(SMB2_IOCTL_HE)
  75 #define SMB2_CANCEL             cpu_to_le16(SMB2_CANCEL_HE)
  76 #define SMB2_ECHO               cpu_to_le16(SMB2_ECHO_HE)
  77 #define SMB2_QUERY_DIRECTORY    cpu_to_le16(SMB2_QUERY_DIRECTORY_HE)
  78 #define SMB2_CHANGE_NOTIFY      cpu_to_le16(SMB2_CHANGE_NOTIFY_HE)
  79 #define SMB2_QUERY_INFO         cpu_to_le16(SMB2_QUERY_INFO_HE)
  80 #define SMB2_SET_INFO           cpu_to_le16(SMB2_SET_INFO_HE)
  81 #define SMB2_OPLOCK_BREAK       cpu_to_le16(SMB2_OPLOCK_BREAK_HE)
  82 
  83 #define SMB2_INTERNAL_CMD       cpu_to_le16(0xFFFF)
  84 
  85 #define NUMBER_OF_SMB2_COMMANDS 0x0013
  86 
  87 /* 52 transform hdr + 64 hdr + 88 create rsp */
  88 #define SMB2_TRANSFORM_HEADER_SIZE 52
  89 #define MAX_SMB2_HDR_SIZE 204
  90 
  91 #define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe)
  92 #define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd)
  93 
  94 /*
  95  * SMB2 Header Definition
  96  *
  97  * "MBZ" :  Must be Zero
  98  * "BB"  :  BugBug, Something to check/review/analyze later
  99  * "PDU" :  "Protocol Data Unit" (ie a network "frame")
 100  *
 101  */
 102 
 103 #define SMB2_HEADER_STRUCTURE_SIZE cpu_to_le16(64)
 104 
 105 struct smb2_sync_hdr {
 106         __le32 ProtocolId;      /* 0xFE 'S' 'M' 'B' */
 107         __le16 StructureSize;   /* 64 */
 108         __le16 CreditCharge;    /* MBZ */
 109         __le32 Status;          /* Error from server */
 110         __le16 Command;
 111         __le16 CreditRequest;  /* CreditResponse */
 112         __le32 Flags;
 113         __le32 NextCommand;
 114         __le64 MessageId;
 115         __le32 ProcessId;
 116         __u32  TreeId;          /* opaque - so do not make little endian */
 117         __u64  SessionId;       /* opaque - so do not make little endian */
 118         __u8   Signature[16];
 119 } __packed;
 120 
 121 struct smb2_sync_pdu {
 122         struct smb2_sync_hdr sync_hdr;
 123         __le16 StructureSize2; /* size of wct area (varies, request specific) */
 124 } __packed;
 125 
 126 #define SMB3_AES128CCM_NONCE 11
 127 #define SMB3_AES128GCM_NONCE 12
 128 
 129 struct smb2_transform_hdr {
 130         __le32 ProtocolId;      /* 0xFD 'S' 'M' 'B' */
 131         __u8   Signature[16];
 132         __u8   Nonce[16];
 133         __le32 OriginalMessageSize;
 134         __u16  Reserved1;
 135         __le16 Flags; /* EncryptionAlgorithm */
 136         __u64  SessionId;
 137 } __packed;
 138 
 139 /*
 140  *      SMB2 flag definitions
 141  */
 142 #define SMB2_FLAGS_SERVER_TO_REDIR      cpu_to_le32(0x00000001)
 143 #define SMB2_FLAGS_ASYNC_COMMAND        cpu_to_le32(0x00000002)
 144 #define SMB2_FLAGS_RELATED_OPERATIONS   cpu_to_le32(0x00000004)
 145 #define SMB2_FLAGS_SIGNED               cpu_to_le32(0x00000008)
 146 #define SMB2_FLAGS_PRIORITY_MASK        cpu_to_le32(0x00000070) /* SMB3.1.1 */
 147 #define SMB2_FLAGS_DFS_OPERATIONS       cpu_to_le32(0x10000000)
 148 #define SMB2_FLAGS_REPLAY_OPERATION     cpu_to_le32(0x20000000) /* SMB3 & up */
 149 
 150 /*
 151  *      Definitions for SMB2 Protocol Data Units (network frames)
 152  *
 153  *  See MS-SMB2.PDF specification for protocol details.
 154  *  The Naming convention is the lower case version of the SMB2
 155  *  command code name for the struct. Note that structures must be packed.
 156  *
 157  */
 158 
 159 #define COMPOUND_FID 0xFFFFFFFFFFFFFFFFULL
 160 
 161 #define SMB2_ERROR_STRUCTURE_SIZE2 cpu_to_le16(9)
 162 
 163 struct smb2_err_rsp {
 164         struct smb2_sync_hdr sync_hdr;
 165         __le16 StructureSize;
 166         __le16 Reserved; /* MBZ */
 167         __le32 ByteCount;  /* even if zero, at least one byte follows */
 168         __u8   ErrorData[1];  /* variable length */
 169 } __packed;
 170 
 171 #define SYMLINK_ERROR_TAG 0x4c4d5953
 172 
 173 struct smb2_symlink_err_rsp {
 174         __le32 SymLinkLength;
 175         __le32 SymLinkErrorTag;
 176         __le32 ReparseTag;
 177         __le16 ReparseDataLength;
 178         __le16 UnparsedPathLength;
 179         __le16 SubstituteNameOffset;
 180         __le16 SubstituteNameLength;
 181         __le16 PrintNameOffset;
 182         __le16 PrintNameLength;
 183         __le32 Flags;
 184         __u8  PathBuffer[0];
 185 } __packed;
 186 
 187 /* SMB 3.1.1 and later dialects. See MS-SMB2 section 2.2.2.1 */
 188 struct smb2_error_context_rsp {
 189         __le32 ErrorDataLength;
 190         __le32 ErrorId;
 191         __u8  ErrorContextData; /* ErrorDataLength long array */
 192 } __packed;
 193 
 194 /* Defines for Type field below (see MS-SMB2 2.2.2.2.2.1) */
 195 #define MOVE_DST_IPADDR_V4      cpu_to_le32(0x00000001)
 196 #define MOVE_DST_IPADDR_V6      cpu_to_le32(0x00000002)
 197 
 198 struct move_dst_ipaddr {
 199         __le32 Type;
 200         __u32  Reserved;
 201         __u8   address[16]; /* IPv4 followed by 12 bytes rsvd or IPv6 address */
 202 } __packed;
 203 
 204 struct share_redirect_error_context_rsp {
 205         __le32 StructureSize;
 206         __le32 NotificationType;
 207         __le32 ResourceNameOffset;
 208         __le32 ResourceNameLength;
 209         __le16 Flags;
 210         __le16 TargetType;
 211         __le32 IPAddrCount;
 212         struct move_dst_ipaddr IpAddrMoveList[0];
 213         /* __u8 ResourceName[] */ /* Name of share as counted Unicode string */
 214 } __packed;
 215 
 216 #define SMB2_CLIENT_GUID_SIZE 16
 217 
 218 struct smb2_negotiate_req {
 219         struct smb2_sync_hdr sync_hdr;
 220         __le16 StructureSize; /* Must be 36 */
 221         __le16 DialectCount;
 222         __le16 SecurityMode;
 223         __le16 Reserved;        /* MBZ */
 224         __le32 Capabilities;
 225         __u8   ClientGUID[SMB2_CLIENT_GUID_SIZE];
 226         /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */
 227         __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */
 228         __le16 NegotiateContextCount;  /* SMB3.1.1 only. MBZ earlier */
 229         __le16 Reserved2;
 230         __le16 Dialects[1]; /* One dialect (vers=) at a time for now */
 231 } __packed;
 232 
 233 /* Dialects */
 234 #define SMB10_PROT_ID 0x0000 /* local only, not sent on wire w/CIFS negprot */
 235 #define SMB20_PROT_ID 0x0202
 236 #define SMB21_PROT_ID 0x0210
 237 #define SMB30_PROT_ID 0x0300
 238 #define SMB302_PROT_ID 0x0302
 239 #define SMB311_PROT_ID 0x0311
 240 #define BAD_PROT_ID   0xFFFF
 241 
 242 /* SecurityMode flags */
 243 #define SMB2_NEGOTIATE_SIGNING_ENABLED  0x0001
 244 #define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002
 245 #define SMB2_SEC_MODE_FLAGS_ALL         0x0003
 246 
 247 /* Capabilities flags */
 248 #define SMB2_GLOBAL_CAP_DFS             0x00000001
 249 #define SMB2_GLOBAL_CAP_LEASING         0x00000002 /* Resp only New to SMB2.1 */
 250 #define SMB2_GLOBAL_CAP_LARGE_MTU       0X00000004 /* Resp only New to SMB2.1 */
 251 #define SMB2_GLOBAL_CAP_MULTI_CHANNEL   0x00000008 /* New to SMB3 */
 252 #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */
 253 #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING  0x00000020 /* New to SMB3 */
 254 #define SMB2_GLOBAL_CAP_ENCRYPTION      0x00000040 /* New to SMB3 */
 255 /* Internal types */
 256 #define SMB2_NT_FIND                    0x00100000
 257 #define SMB2_LARGE_FILES                0x00200000
 258 
 259 
 260 /* Negotiate Contexts - ContextTypes. See MS-SMB2 section 2.2.3.1 for details */
 261 #define SMB2_PREAUTH_INTEGRITY_CAPABILITIES     cpu_to_le16(1)
 262 #define SMB2_ENCRYPTION_CAPABILITIES            cpu_to_le16(2)
 263 #define SMB2_COMPRESSION_CAPABILITIES           cpu_to_le16(3)
 264 #define SMB2_NETNAME_NEGOTIATE_CONTEXT_ID       cpu_to_le16(5)
 265 #define SMB2_POSIX_EXTENSIONS_AVAILABLE         cpu_to_le16(0x100)
 266 
 267 struct smb2_neg_context {
 268         __le16  ContextType;
 269         __le16  DataLength;
 270         __le32  Reserved;
 271         /* Followed by array of data */
 272 } __packed;
 273 
 274 #define SMB311_SALT_SIZE                        32
 275 /* Hash Algorithm Types */
 276 #define SMB2_PREAUTH_INTEGRITY_SHA512   cpu_to_le16(0x0001)
 277 #define SMB2_PREAUTH_HASH_SIZE 64
 278 
 279 #define MIN_PREAUTH_CTXT_DATA_LEN       (SMB311_SALT_SIZE + 6)
 280 struct smb2_preauth_neg_context {
 281         __le16  ContextType; /* 1 */
 282         __le16  DataLength;
 283         __le32  Reserved;
 284         __le16  HashAlgorithmCount; /* 1 */
 285         __le16  SaltLength;
 286         __le16  HashAlgorithms; /* HashAlgorithms[0] since only one defined */
 287         __u8    Salt[SMB311_SALT_SIZE];
 288 } __packed;
 289 
 290 /* Encryption Algorithms Ciphers */
 291 #define SMB2_ENCRYPTION_AES128_CCM      cpu_to_le16(0x0001)
 292 #define SMB2_ENCRYPTION_AES128_GCM      cpu_to_le16(0x0002)
 293 
 294 /* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */
 295 #define MIN_ENCRYPT_CTXT_DATA_LEN       4
 296 struct smb2_encryption_neg_context {
 297         __le16  ContextType; /* 2 */
 298         __le16  DataLength;
 299         __le32  Reserved;
 300         __le16  CipherCount; /* AES-128-GCM and AES-128-CCM */
 301         __le16  Ciphers[2];
 302 } __packed;
 303 
 304 /* See MS-SMB2 2.2.3.1.3 */
 305 #define SMB3_COMPRESS_NONE      cpu_to_le16(0x0000)
 306 #define SMB3_COMPRESS_LZNT1     cpu_to_le16(0x0001)
 307 #define SMB3_COMPRESS_LZ77      cpu_to_le16(0x0002)
 308 #define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003)
 309 
 310 struct smb2_compression_capabilities_context {
 311         __le16  ContextType; /* 3 */
 312         __le16  DataLength;
 313         __u32   Reserved;
 314         __le16  CompressionAlgorithmCount;
 315         __u16   Padding;
 316         __u32   Reserved1;
 317         __le16  CompressionAlgorithms[3];
 318 } __packed;
 319 
 320 /*
 321  * For smb2_netname_negotiate_context_id See MS-SMB2 2.2.3.1.4.
 322  * Its struct simply contains NetName, an array of Unicode characters
 323  */
 324 struct smb2_netname_neg_context {
 325         __le16  ContextType; /* 0x100 */
 326         __le16  DataLength;
 327         __le32  Reserved;
 328         __le16  NetName[0]; /* hostname of target converted to UCS-2 */
 329 } __packed;
 330 
 331 #define POSIX_CTXT_DATA_LEN     16
 332 struct smb2_posix_neg_context {
 333         __le16  ContextType; /* 0x100 */
 334         __le16  DataLength;
 335         __le32  Reserved;
 336         __u8    Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */
 337 } __packed;
 338 
 339 struct smb2_negotiate_rsp {
 340         struct smb2_sync_hdr sync_hdr;
 341         __le16 StructureSize;   /* Must be 65 */
 342         __le16 SecurityMode;
 343         __le16 DialectRevision;
 344         __le16 NegotiateContextCount;   /* Prior to SMB3.1.1 was Reserved & MBZ */
 345         __u8   ServerGUID[16];
 346         __le32 Capabilities;
 347         __le32 MaxTransactSize;
 348         __le32 MaxReadSize;
 349         __le32 MaxWriteSize;
 350         __le64 SystemTime;      /* MBZ */
 351         __le64 ServerStartTime;
 352         __le16 SecurityBufferOffset;
 353         __le16 SecurityBufferLength;
 354         __le32 NegotiateContextOffset;  /* Pre:SMB3.1.1 was reserved/ignored */
 355         __u8   Buffer[1];       /* variable length GSS security buffer */
 356 } __packed;
 357 
 358 /* Flags */
 359 #define SMB2_SESSION_REQ_FLAG_BINDING           0x01
 360 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA      0x04
 361 
 362 struct smb2_sess_setup_req {
 363         struct smb2_sync_hdr sync_hdr;
 364         __le16 StructureSize; /* Must be 25 */
 365         __u8   Flags;
 366         __u8   SecurityMode;
 367         __le32 Capabilities;
 368         __le32 Channel;
 369         __le16 SecurityBufferOffset;
 370         __le16 SecurityBufferLength;
 371         __u64 PreviousSessionId;
 372         __u8   Buffer[1];       /* variable length GSS security buffer */
 373 } __packed;
 374 
 375 /* Currently defined SessionFlags */
 376 #define SMB2_SESSION_FLAG_IS_GUEST      0x0001
 377 #define SMB2_SESSION_FLAG_IS_NULL       0x0002
 378 #define SMB2_SESSION_FLAG_ENCRYPT_DATA  0x0004
 379 struct smb2_sess_setup_rsp {
 380         struct smb2_sync_hdr sync_hdr;
 381         __le16 StructureSize; /* Must be 9 */
 382         __le16 SessionFlags;
 383         __le16 SecurityBufferOffset;
 384         __le16 SecurityBufferLength;
 385         __u8   Buffer[1];       /* variable length GSS security buffer */
 386 } __packed;
 387 
 388 struct smb2_logoff_req {
 389         struct smb2_sync_hdr sync_hdr;
 390         __le16 StructureSize;   /* Must be 4 */
 391         __le16 Reserved;
 392 } __packed;
 393 
 394 struct smb2_logoff_rsp {
 395         struct smb2_sync_hdr sync_hdr;
 396         __le16 StructureSize;   /* Must be 4 */
 397         __le16 Reserved;
 398 } __packed;
 399 
 400 /* Flags/Reserved for SMB3.1.1 */
 401 #define SMB2_TREE_CONNECT_FLAG_CLUSTER_RECONNECT cpu_to_le16(0x0001)
 402 #define SMB2_TREE_CONNECT_FLAG_REDIRECT_TO_OWNER cpu_to_le16(0x0002)
 403 #define SMB2_TREE_CONNECT_FLAG_EXTENSION_PRESENT cpu_to_le16(0x0004)
 404 
 405 struct smb2_tree_connect_req {
 406         struct smb2_sync_hdr sync_hdr;
 407         __le16 StructureSize;   /* Must be 9 */
 408         __le16 Reserved; /* Flags in SMB3.1.1 */
 409         __le16 PathOffset;
 410         __le16 PathLength;
 411         __u8   Buffer[1];       /* variable length */
 412 } __packed;
 413 
 414 /* See MS-SMB2 section 2.2.9.2 */
 415 /* Context Types */
 416 #define SMB2_RESERVED_TREE_CONNECT_CONTEXT_ID 0x0000
 417 #define SMB2_REMOTED_IDENTITY_TREE_CONNECT_CONTEXT_ID cpu_to_le16(0x0001)
 418 
 419 struct tree_connect_contexts {
 420         __le16 ContextType;
 421         __le16 DataLength;
 422         __le32 Reserved;
 423         __u8   Data[0];
 424 } __packed;
 425 
 426 /* Remoted identity tree connect context structures - see MS-SMB2 2.2.9.2.1 */
 427 struct smb3_blob_data {
 428         __le16 BlobSize;
 429         __u8   BlobData[0];
 430 } __packed;
 431 
 432 /* Valid values for Attr */
 433 #define SE_GROUP_MANDATORY              0x00000001
 434 #define SE_GROUP_ENABLED_BY_DEFAULT     0x00000002
 435 #define SE_GROUP_ENABLED                0x00000004
 436 #define SE_GROUP_OWNER                  0x00000008
 437 #define SE_GROUP_USE_FOR_DENY_ONLY      0x00000010
 438 #define SE_GROUP_INTEGRITY              0x00000020
 439 #define SE_GROUP_INTEGRITY_ENABLED      0x00000040
 440 #define SE_GROUP_RESOURCE               0x20000000
 441 #define SE_GROUP_LOGON_ID               0xC0000000
 442 
 443 /* struct sid_attr_data is SidData array in BlobData format then le32 Attr */
 444 
 445 struct sid_array_data {
 446         __le16 SidAttrCount;
 447         /* SidAttrList - array of sid_attr_data structs */
 448 } __packed;
 449 
 450 struct luid_attr_data {
 451 
 452 } __packed;
 453 
 454 /*
 455  * struct privilege_data is the same as BLOB_DATA - see MS-SMB2 2.2.9.2.1.5
 456  * but with size of LUID_ATTR_DATA struct and BlobData set to LUID_ATTR DATA
 457  */
 458 
 459 struct privilege_array_data {
 460         __le16 PrivilegeCount;
 461         /* array of privilege_data structs */
 462 } __packed;
 463 
 464 struct remoted_identity_tcon_context {
 465         __le16 TicketType; /* must be 0x0001 */
 466         __le16 TicketSize; /* total size of this struct */
 467         __le16 User; /* offset to SID_ATTR_DATA struct with user info */
 468         __le16 UserName; /* offset to null terminated Unicode username string */
 469         __le16 Domain; /* offset to null terminated Unicode domain name */
 470         __le16 Groups; /* offset to SID_ARRAY_DATA struct with group info */
 471         __le16 RestrictedGroups; /* similar to above */
 472         __le16 Privileges; /* offset to PRIVILEGE_ARRAY_DATA struct */
 473         __le16 PrimaryGroup; /* offset to SID_ARRAY_DATA struct */
 474         __le16 Owner; /* offset to BLOB_DATA struct */
 475         __le16 DefaultDacl; /* offset to BLOB_DATA struct */
 476         __le16 DeviceGroups; /* offset to SID_ARRAY_DATA struct */
 477         __le16 UserClaims; /* offset to BLOB_DATA struct */
 478         __le16 DeviceClaims; /* offset to BLOB_DATA struct */
 479         __u8   TicketInfo[0]; /* variable length buf - remoted identity data */
 480 } __packed;
 481 
 482 struct smb2_tree_connect_req_extension {
 483         __le32 TreeConnectContextOffset;
 484         __le16 TreeConnectContextCount;
 485         __u8  Reserved[10];
 486         __u8  PathName[0]; /* variable sized array */
 487         /* followed by array of TreeConnectContexts */
 488 } __packed;
 489 
 490 struct smb2_tree_connect_rsp {
 491         struct smb2_sync_hdr sync_hdr;
 492         __le16 StructureSize;   /* Must be 16 */
 493         __u8   ShareType;  /* see below */
 494         __u8   Reserved;
 495         __le32 ShareFlags; /* see below */
 496         __le32 Capabilities; /* see below */
 497         __le32 MaximalAccess;
 498 } __packed;
 499 
 500 /* Possible ShareType values */
 501 #define SMB2_SHARE_TYPE_DISK    0x01
 502 #define SMB2_SHARE_TYPE_PIPE    0x02
 503 #define SMB2_SHARE_TYPE_PRINT   0x03
 504 
 505 /*
 506  * Possible ShareFlags - exactly one and only one of the first 4 caching flags
 507  * must be set (any of the remaining, SHI1005, flags may be set individually
 508  * or in combination.
 509  */
 510 #define SMB2_SHAREFLAG_MANUAL_CACHING                   0x00000000
 511 #define SMB2_SHAREFLAG_AUTO_CACHING                     0x00000010
 512 #define SMB2_SHAREFLAG_VDO_CACHING                      0x00000020
 513 #define SMB2_SHAREFLAG_NO_CACHING                       0x00000030
 514 #define SHI1005_FLAGS_DFS                               0x00000001
 515 #define SHI1005_FLAGS_DFS_ROOT                          0x00000002
 516 #define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS          0x00000100
 517 #define SHI1005_FLAGS_FORCE_SHARED_DELETE               0x00000200
 518 #define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING           0x00000400
 519 #define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM       0x00000800
 520 #define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK              0x00001000
 521 #define SHI1005_FLAGS_ENABLE_HASH_V1                    0x00002000
 522 #define SHI1005_FLAGS_ENABLE_HASH_V2                    0x00004000
 523 #define SHI1005_FLAGS_ENCRYPT_DATA                      0x00008000
 524 #define SMB2_SHAREFLAG_IDENTITY_REMOTING                0x00040000 /* 3.1.1 */
 525 #define SHI1005_FLAGS_ALL                               0x0004FF33
 526 
 527 /* Possible share capabilities */
 528 #define SMB2_SHARE_CAP_DFS      cpu_to_le32(0x00000008) /* all dialects */
 529 #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */
 530 #define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */
 531 #define SMB2_SHARE_CAP_CLUSTER  cpu_to_le32(0x00000040) /* 3.0 */
 532 #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */
 533 #define SMB2_SHARE_CAP_REDIRECT_TO_OWNER cpu_to_le32(0x00000100) /* 3.1.1 */
 534 
 535 struct smb2_tree_disconnect_req {
 536         struct smb2_sync_hdr sync_hdr;
 537         __le16 StructureSize;   /* Must be 4 */
 538         __le16 Reserved;
 539 } __packed;
 540 
 541 struct smb2_tree_disconnect_rsp {
 542         struct smb2_sync_hdr sync_hdr;
 543         __le16 StructureSize;   /* Must be 4 */
 544         __le16 Reserved;
 545 } __packed;
 546 
 547 /* File Attrubutes */
 548 #define FILE_ATTRIBUTE_READONLY                 0x00000001
 549 #define FILE_ATTRIBUTE_HIDDEN                   0x00000002
 550 #define FILE_ATTRIBUTE_SYSTEM                   0x00000004
 551 #define FILE_ATTRIBUTE_DIRECTORY                0x00000010
 552 #define FILE_ATTRIBUTE_ARCHIVE                  0x00000020
 553 #define FILE_ATTRIBUTE_NORMAL                   0x00000080
 554 #define FILE_ATTRIBUTE_TEMPORARY                0x00000100
 555 #define FILE_ATTRIBUTE_SPARSE_FILE              0x00000200
 556 #define FILE_ATTRIBUTE_REPARSE_POINT            0x00000400
 557 #define FILE_ATTRIBUTE_COMPRESSED               0x00000800
 558 #define FILE_ATTRIBUTE_OFFLINE                  0x00001000
 559 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED      0x00002000
 560 #define FILE_ATTRIBUTE_ENCRYPTED                0x00004000
 561 #define FILE_ATTRIBUTE_INTEGRITY_STREAM         0x00008000
 562 #define FILE_ATTRIBUTE_NO_SCRUB_DATA            0x00020000
 563 
 564 /* Oplock levels */
 565 #define SMB2_OPLOCK_LEVEL_NONE          0x00
 566 #define SMB2_OPLOCK_LEVEL_II            0x01
 567 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE     0x08
 568 #define SMB2_OPLOCK_LEVEL_BATCH         0x09
 569 #define SMB2_OPLOCK_LEVEL_LEASE         0xFF
 570 /* Non-spec internal type */
 571 #define SMB2_OPLOCK_LEVEL_NOCHANGE      0x99
 572 
 573 /* Desired Access Flags */
 574 #define FILE_READ_DATA_LE               cpu_to_le32(0x00000001)
 575 #define FILE_WRITE_DATA_LE              cpu_to_le32(0x00000002)
 576 #define FILE_APPEND_DATA_LE             cpu_to_le32(0x00000004)
 577 #define FILE_READ_EA_LE                 cpu_to_le32(0x00000008)
 578 #define FILE_WRITE_EA_LE                cpu_to_le32(0x00000010)
 579 #define FILE_EXECUTE_LE                 cpu_to_le32(0x00000020)
 580 #define FILE_READ_ATTRIBUTES_LE         cpu_to_le32(0x00000080)
 581 #define FILE_WRITE_ATTRIBUTES_LE        cpu_to_le32(0x00000100)
 582 #define FILE_DELETE_LE                  cpu_to_le32(0x00010000)
 583 #define FILE_READ_CONTROL_LE            cpu_to_le32(0x00020000)
 584 #define FILE_WRITE_DAC_LE               cpu_to_le32(0x00040000)
 585 #define FILE_WRITE_OWNER_LE             cpu_to_le32(0x00080000)
 586 #define FILE_SYNCHRONIZE_LE             cpu_to_le32(0x00100000)
 587 #define FILE_ACCESS_SYSTEM_SECURITY_LE  cpu_to_le32(0x01000000)
 588 #define FILE_MAXIMAL_ACCESS_LE          cpu_to_le32(0x02000000)
 589 #define FILE_GENERIC_ALL_LE             cpu_to_le32(0x10000000)
 590 #define FILE_GENERIC_EXECUTE_LE         cpu_to_le32(0x20000000)
 591 #define FILE_GENERIC_WRITE_LE           cpu_to_le32(0x40000000)
 592 #define FILE_GENERIC_READ_LE            cpu_to_le32(0x80000000)
 593 
 594 /* ShareAccess Flags */
 595 #define FILE_SHARE_READ_LE              cpu_to_le32(0x00000001)
 596 #define FILE_SHARE_WRITE_LE             cpu_to_le32(0x00000002)
 597 #define FILE_SHARE_DELETE_LE            cpu_to_le32(0x00000004)
 598 #define FILE_SHARE_ALL_LE               cpu_to_le32(0x00000007)
 599 
 600 /* CreateDisposition Flags */
 601 #define FILE_SUPERSEDE_LE               cpu_to_le32(0x00000000)
 602 #define FILE_OPEN_LE                    cpu_to_le32(0x00000001)
 603 #define FILE_CREATE_LE                  cpu_to_le32(0x00000002)
 604 #define FILE_OPEN_IF_LE                 cpu_to_le32(0x00000003)
 605 #define FILE_OVERWRITE_LE               cpu_to_le32(0x00000004)
 606 #define FILE_OVERWRITE_IF_LE            cpu_to_le32(0x00000005)
 607 
 608 /* CreateOptions Flags */
 609 #define FILE_DIRECTORY_FILE_LE          cpu_to_le32(0x00000001)
 610 /* same as #define CREATE_NOT_FILE_LE   cpu_to_le32(0x00000001) */
 611 #define FILE_WRITE_THROUGH_LE           cpu_to_le32(0x00000002)
 612 #define FILE_SEQUENTIAL_ONLY_LE         cpu_to_le32(0x00000004)
 613 #define FILE_NO_INTERMEDIATE_BUFFERRING_LE cpu_to_le32(0x00000008)
 614 #define FILE_SYNCHRONOUS_IO_ALERT_LE    cpu_to_le32(0x00000010)
 615 #define FILE_SYNCHRONOUS_IO_NON_ALERT_LE        cpu_to_le32(0x00000020)
 616 #define FILE_NON_DIRECTORY_FILE_LE      cpu_to_le32(0x00000040)
 617 #define FILE_COMPLETE_IF_OPLOCKED_LE    cpu_to_le32(0x00000100)
 618 #define FILE_NO_EA_KNOWLEDGE_LE         cpu_to_le32(0x00000200)
 619 #define FILE_RANDOM_ACCESS_LE           cpu_to_le32(0x00000800)
 620 #define FILE_DELETE_ON_CLOSE_LE         cpu_to_le32(0x00001000)
 621 #define FILE_OPEN_BY_FILE_ID_LE         cpu_to_le32(0x00002000)
 622 #define FILE_OPEN_FOR_BACKUP_INTENT_LE  cpu_to_le32(0x00004000)
 623 #define FILE_NO_COMPRESSION_LE          cpu_to_le32(0x00008000)
 624 #define FILE_RESERVE_OPFILTER_LE        cpu_to_le32(0x00100000)
 625 #define FILE_OPEN_REPARSE_POINT_LE      cpu_to_le32(0x00200000)
 626 #define FILE_OPEN_NO_RECALL_LE          cpu_to_le32(0x00400000)
 627 #define FILE_OPEN_FOR_FREE_SPACE_QUERY_LE cpu_to_le32(0x00800000)
 628 
 629 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \
 630                         | FILE_READ_ATTRIBUTES_LE)
 631 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \
 632                         | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE)
 633 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE)
 634 
 635 /* Impersonation Levels */
 636 #define IL_ANONYMOUS            cpu_to_le32(0x00000000)
 637 #define IL_IDENTIFICATION       cpu_to_le32(0x00000001)
 638 #define IL_IMPERSONATION        cpu_to_le32(0x00000002)
 639 #define IL_DELEGATE             cpu_to_le32(0x00000003)
 640 
 641 /* Create Context Values */
 642 #define SMB2_CREATE_EA_BUFFER                   "ExtA" /* extended attributes */
 643 #define SMB2_CREATE_SD_BUFFER                   "SecD" /* security descriptor */
 644 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST      "DHnQ"
 645 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT    "DHnC"
 646 #define SMB2_CREATE_ALLOCATION_SIZE             "AISi"
 647 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc"
 648 #define SMB2_CREATE_TIMEWARP_REQUEST            "TWrp"
 649 #define SMB2_CREATE_QUERY_ON_DISK_ID            "QFid"
 650 #define SMB2_CREATE_REQUEST_LEASE               "RqLs"
 651 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2   "DH2Q"
 652 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C"
 653 #define SMB2_CREATE_APP_INSTANCE_ID     0x45BCA66AEFA7F74A9008FA462E144D74
 654 #define SMB2_CREATE_APP_INSTANCE_VERSION 0xB982D0B73B56074FA07B524A8116A010
 655 #define SVHDX_OPEN_DEVICE_CONTEX        0x9CCBCF9E04C1E643980E158DA1F6EC83
 656 #define SMB2_CREATE_TAG_POSIX           0x93AD25509CB411E7B42383DE968BCD7C
 657 
 658 /* Flag (SMB3 open response) values */
 659 #define SMB2_CREATE_FLAG_REPARSEPOINT 0x01
 660 
 661 /*
 662  * Maximum number of iovs we need for an open/create request.
 663  * [0] : struct smb2_create_req
 664  * [1] : path
 665  * [2] : lease context
 666  * [3] : durable context
 667  * [4] : posix context
 668  * [5] : time warp context
 669  * [6] : query id context
 670  * [7] : compound padding
 671  */
 672 #define SMB2_CREATE_IOV_SIZE 8
 673 
 674 struct smb2_create_req {
 675         struct smb2_sync_hdr sync_hdr;
 676         __le16 StructureSize;   /* Must be 57 */
 677         __u8   SecurityFlags;
 678         __u8   RequestedOplockLevel;
 679         __le32 ImpersonationLevel;
 680         __le64 SmbCreateFlags;
 681         __le64 Reserved;
 682         __le32 DesiredAccess;
 683         __le32 FileAttributes;
 684         __le32 ShareAccess;
 685         __le32 CreateDisposition;
 686         __le32 CreateOptions;
 687         __le16 NameOffset;
 688         __le16 NameLength;
 689         __le32 CreateContextsOffset;
 690         __le32 CreateContextsLength;
 691         __u8   Buffer[0];
 692 } __packed;
 693 
 694 /*
 695  * Maximum size of a SMB2_CREATE response is 64 (smb2 header) +
 696  * 88 (fixed part of create response) + 520 (path) + 208 (contexts) +
 697  * 2 bytes of padding.
 698  */
 699 #define MAX_SMB2_CREATE_RESPONSE_SIZE 880
 700 
 701 struct smb2_create_rsp {
 702         struct smb2_sync_hdr sync_hdr;
 703         __le16 StructureSize;   /* Must be 89 */
 704         __u8   OplockLevel;
 705         __u8   Flag;  /* 0x01 if reparse point */
 706         __le32 CreateAction;
 707         __le64 CreationTime;
 708         __le64 LastAccessTime;
 709         __le64 LastWriteTime;
 710         __le64 ChangeTime;
 711         __le64 AllocationSize;
 712         __le64 EndofFile;
 713         __le32 FileAttributes;
 714         __le32 Reserved2;
 715         __u64  PersistentFileId; /* opaque endianness */
 716         __u64  VolatileFileId; /* opaque endianness */
 717         __le32 CreateContextsOffset;
 718         __le32 CreateContextsLength;
 719         __u8   Buffer[1];
 720 } __packed;
 721 
 722 struct create_context {
 723         __le32 Next;
 724         __le16 NameOffset;
 725         __le16 NameLength;
 726         __le16 Reserved;
 727         __le16 DataOffset;
 728         __le32 DataLength;
 729         __u8 Buffer[0];
 730 } __packed;
 731 
 732 #define SMB2_LEASE_READ_CACHING_HE      0x01
 733 #define SMB2_LEASE_HANDLE_CACHING_HE    0x02
 734 #define SMB2_LEASE_WRITE_CACHING_HE     0x04
 735 
 736 #define SMB2_LEASE_NONE                 cpu_to_le32(0x00)
 737 #define SMB2_LEASE_READ_CACHING         cpu_to_le32(0x01)
 738 #define SMB2_LEASE_HANDLE_CACHING       cpu_to_le32(0x02)
 739 #define SMB2_LEASE_WRITE_CACHING        cpu_to_le32(0x04)
 740 
 741 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS cpu_to_le32(0x02)
 742 #define SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET cpu_to_le32(0x00000004)
 743 
 744 #define SMB2_LEASE_KEY_SIZE 16
 745 
 746 struct lease_context {
 747         u8 LeaseKey[SMB2_LEASE_KEY_SIZE];
 748         __le32 LeaseState;
 749         __le32 LeaseFlags;
 750         __le64 LeaseDuration;
 751 } __packed;
 752 
 753 struct lease_context_v2 {
 754         u8 LeaseKey[SMB2_LEASE_KEY_SIZE];
 755         __le32 LeaseState;
 756         __le32 LeaseFlags;
 757         __le64 LeaseDuration;
 758         __le64 ParentLeaseKeyLow;
 759         __le64 ParentLeaseKeyHigh;
 760         __le16 Epoch;
 761         __le16 Reserved;
 762 } __packed;
 763 
 764 struct create_lease {
 765         struct create_context ccontext;
 766         __u8   Name[8];
 767         struct lease_context lcontext;
 768 } __packed;
 769 
 770 struct create_lease_v2 {
 771         struct create_context ccontext;
 772         __u8   Name[8];
 773         struct lease_context_v2 lcontext;
 774         __u8   Pad[4];
 775 } __packed;
 776 
 777 struct create_durable {
 778         struct create_context ccontext;
 779         __u8   Name[8];
 780         union {
 781                 __u8  Reserved[16];
 782                 struct {
 783                         __u64 PersistentFileId;
 784                         __u64 VolatileFileId;
 785                 } Fid;
 786         } Data;
 787 } __packed;
 788 
 789 struct create_posix {
 790         struct create_context ccontext;
 791         __u8    Name[16];
 792         __le32  Mode;
 793         __u32   Reserved;
 794 } __packed;
 795 
 796 /* See MS-SMB2 2.2.13.2.11 */
 797 /* Flags */
 798 #define SMB2_DHANDLE_FLAG_PERSISTENT    0x00000002
 799 struct durable_context_v2 {
 800         __le32 Timeout;
 801         __le32 Flags;
 802         __u64 Reserved;
 803         __u8 CreateGuid[16];
 804 } __packed;
 805 
 806 struct create_durable_v2 {
 807         struct create_context ccontext;
 808         __u8   Name[8];
 809         struct durable_context_v2 dcontext;
 810 } __packed;
 811 
 812 /* See MS-SMB2 2.2.13.2.12 */
 813 struct durable_reconnect_context_v2 {
 814         struct {
 815                 __u64 PersistentFileId;
 816                 __u64 VolatileFileId;
 817         } Fid;
 818         __u8 CreateGuid[16];
 819         __le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
 820 } __packed;
 821 
 822 /* See MS-SMB2 2.2.14.2.9 */
 823 struct create_on_disk_id {
 824         struct create_context ccontext;
 825         __u8   Name[8];
 826         __le64 DiskFileId;
 827         __le64 VolumeId;
 828         __u32  Reserved[4];
 829 } __packed;
 830 
 831 /* See MS-SMB2 2.2.14.2.12 */
 832 struct durable_reconnect_context_v2_rsp {
 833         __le32 Timeout;
 834         __le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
 835 } __packed;
 836 
 837 struct create_durable_handle_reconnect_v2 {
 838         struct create_context ccontext;
 839         __u8   Name[8];
 840         struct durable_reconnect_context_v2 dcontext;
 841         __u8   Pad[4];
 842 } __packed;
 843 
 844 /* See MS-SMB2 2.2.13.2.5 */
 845 struct crt_twarp_ctxt {
 846         struct create_context ccontext;
 847         __u8    Name[8];
 848         __le64  Timestamp;
 849 
 850 } __packed;
 851 
 852 /* See MS-SMB2 2.2.13.2.9 */
 853 struct crt_query_id_ctxt {
 854         struct create_context ccontext;
 855         __u8    Name[8];
 856 } __packed;
 857 
 858 #define COPY_CHUNK_RES_KEY_SIZE 24
 859 struct resume_key_req {
 860         char ResumeKey[COPY_CHUNK_RES_KEY_SIZE];
 861         __le32  ContextLength;  /* MBZ */
 862         char    Context[0];     /* ignored, Windows sets to 4 bytes of zero */
 863 } __packed;
 864 
 865 /* this goes in the ioctl buffer when doing a copychunk request */
 866 struct copychunk_ioctl {
 867         char SourceKey[COPY_CHUNK_RES_KEY_SIZE];
 868         __le32 ChunkCount; /* we are only sending 1 */
 869         __le32 Reserved;
 870         /* array will only be one chunk long for us */
 871         __le64 SourceOffset;
 872         __le64 TargetOffset;
 873         __le32 Length; /* how many bytes to copy */
 874         __u32 Reserved2;
 875 } __packed;
 876 
 877 /* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */
 878 struct file_zero_data_information {
 879         __le64  FileOffset;
 880         __le64  BeyondFinalZero;
 881 } __packed;
 882 
 883 struct copychunk_ioctl_rsp {
 884         __le32 ChunksWritten;
 885         __le32 ChunkBytesWritten;
 886         __le32 TotalBytesWritten;
 887 } __packed;
 888 
 889 struct fsctl_set_integrity_information_req {
 890         __le16  ChecksumAlgorithm;
 891         __le16  Reserved;
 892         __le32  Flags;
 893 } __packed;
 894 
 895 struct fsctl_get_integrity_information_rsp {
 896         __le16  ChecksumAlgorithm;
 897         __le16  Reserved;
 898         __le32  Flags;
 899         __le32  ChecksumChunkSizeInBytes;
 900         __le32  ClusterSizeInBytes;
 901 } __packed;
 902 
 903 struct file_allocated_range_buffer {
 904         __le64  file_offset;
 905         __le64  length;
 906 } __packed;
 907 
 908 /* Integrity ChecksumAlgorithm choices for above */
 909 #define CHECKSUM_TYPE_NONE      0x0000
 910 #define CHECKSUM_TYPE_CRC64     0x0002
 911 #define CHECKSUM_TYPE_UNCHANGED 0xFFFF  /* set only */
 912 
 913 /* Integrity flags for above */
 914 #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF   0x00000001
 915 
 916 /* Reparse structures - see MS-FSCC 2.1.2 */
 917 
 918 /* struct fsctl_reparse_info_req is empty, only response structs (see below) */
 919 
 920 struct reparse_data_buffer {
 921         __le32  ReparseTag;
 922         __le16  ReparseDataLength;
 923         __u16   Reserved;
 924         __u8    DataBuffer[0]; /* Variable Length */
 925 } __packed;
 926 
 927 struct reparse_guid_data_buffer {
 928         __le32  ReparseTag;
 929         __le16  ReparseDataLength;
 930         __u16   Reserved;
 931         __u8    ReparseGuid[16];
 932         __u8    DataBuffer[0]; /* Variable Length */
 933 } __packed;
 934 
 935 struct reparse_mount_point_data_buffer {
 936         __le32  ReparseTag;
 937         __le16  ReparseDataLength;
 938         __u16   Reserved;
 939         __le16  SubstituteNameOffset;
 940         __le16  SubstituteNameLength;
 941         __le16  PrintNameOffset;
 942         __le16  PrintNameLength;
 943         __u8    PathBuffer[0]; /* Variable Length */
 944 } __packed;
 945 
 946 #define SYMLINK_FLAG_RELATIVE 0x00000001
 947 
 948 struct reparse_symlink_data_buffer {
 949         __le32  ReparseTag;
 950         __le16  ReparseDataLength;
 951         __u16   Reserved;
 952         __le16  SubstituteNameOffset;
 953         __le16  SubstituteNameLength;
 954         __le16  PrintNameOffset;
 955         __le16  PrintNameLength;
 956         __le32  Flags;
 957         __u8    PathBuffer[0]; /* Variable Length */
 958 } __packed;
 959 
 960 /* See MS-FSCC 2.1.2.6 and cifspdu.h for struct reparse_posix_data */
 961 
 962 
 963 /* See MS-DFSC 2.2.2 */
 964 struct fsctl_get_dfs_referral_req {
 965         __le16 MaxReferralLevel;
 966         __u8 RequestFileName[];
 967 } __packed;
 968 
 969 /* DFS response is struct get_dfs_refer_rsp */
 970 
 971 /* See MS-SMB2 2.2.31.3 */
 972 struct network_resiliency_req {
 973         __le32 Timeout;
 974         __le32 Reserved;
 975 } __packed;
 976 /* There is no buffer for the response ie no struct network_resiliency_rsp */
 977 
 978 
 979 struct validate_negotiate_info_req {
 980         __le32 Capabilities;
 981         __u8   Guid[SMB2_CLIENT_GUID_SIZE];
 982         __le16 SecurityMode;
 983         __le16 DialectCount;
 984         __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */
 985 } __packed;
 986 
 987 struct validate_negotiate_info_rsp {
 988         __le32 Capabilities;
 989         __u8   Guid[SMB2_CLIENT_GUID_SIZE];
 990         __le16 SecurityMode;
 991         __le16 Dialect; /* Dialect in use for the connection */
 992 } __packed;
 993 
 994 #define RSS_CAPABLE     cpu_to_le32(0x00000001)
 995 #define RDMA_CAPABLE    cpu_to_le32(0x00000002)
 996 
 997 #define INTERNETWORK    cpu_to_le16(0x0002)
 998 #define INTERNETWORKV6  cpu_to_le16(0x0017)
 999 
1000 struct network_interface_info_ioctl_rsp {
1001         __le32 Next; /* next interface. zero if this is last one */
1002         __le32 IfIndex;
1003         __le32 Capability; /* RSS or RDMA Capable */
1004         __le32 Reserved;
1005         __le64 LinkSpeed;
1006         __le16 Family;
1007         __u8 Buffer[126];
1008 } __packed;
1009 
1010 struct iface_info_ipv4 {
1011         __be16 Port;
1012         __be32 IPv4Address;
1013         __be64 Reserved;
1014 } __packed;
1015 
1016 struct iface_info_ipv6 {
1017         __be16 Port;
1018         __be32 FlowInfo;
1019         __u8   IPv6Address[16];
1020         __be32 ScopeId;
1021 } __packed;
1022 
1023 #define NO_FILE_ID 0xFFFFFFFFFFFFFFFFULL /* general ioctls to srv not to file */
1024 
1025 struct compress_ioctl {
1026         __le16 CompressionState; /* See cifspdu.h for possible flag values */
1027 } __packed;
1028 
1029 struct duplicate_extents_to_file {
1030         __u64 PersistentFileHandle; /* source file handle, opaque endianness */
1031         __u64 VolatileFileHandle;
1032         __le64 SourceFileOffset;
1033         __le64 TargetFileOffset;
1034         __le64 ByteCount;  /* Bytes to be copied */
1035 } __packed;
1036 
1037 /*
1038  * Maximum number of iovs we need for an ioctl request.
1039  * [0] : struct smb2_ioctl_req
1040  * [1] : in_data
1041  */
1042 #define SMB2_IOCTL_IOV_SIZE 2
1043 
1044 struct smb2_ioctl_req {
1045         struct smb2_sync_hdr sync_hdr;
1046         __le16 StructureSize;   /* Must be 57 */
1047         __u16 Reserved;
1048         __le32 CtlCode;
1049         __u64  PersistentFileId; /* opaque endianness */
1050         __u64  VolatileFileId; /* opaque endianness */
1051         __le32 InputOffset;
1052         __le32 InputCount;
1053         __le32 MaxInputResponse;
1054         __le32 OutputOffset;
1055         __le32 OutputCount;
1056         __le32 MaxOutputResponse;
1057         __le32 Flags;
1058         __u32  Reserved2;
1059         __u8   Buffer[0];
1060 } __packed;
1061 
1062 struct smb2_ioctl_rsp {
1063         struct smb2_sync_hdr sync_hdr;
1064         __le16 StructureSize;   /* Must be 57 */
1065         __u16 Reserved;
1066         __le32 CtlCode;
1067         __u64  PersistentFileId; /* opaque endianness */
1068         __u64  VolatileFileId; /* opaque endianness */
1069         __le32 InputOffset;
1070         __le32 InputCount;
1071         __le32 OutputOffset;
1072         __le32 OutputCount;
1073         __le32 Flags;
1074         __u32  Reserved2;
1075         /* char * buffer[] */
1076 } __packed;
1077 
1078 /* Currently defined values for close flags */
1079 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB        cpu_to_le16(0x0001)
1080 struct smb2_close_req {
1081         struct smb2_sync_hdr sync_hdr;
1082         __le16 StructureSize;   /* Must be 24 */
1083         __le16 Flags;
1084         __le32 Reserved;
1085         __u64  PersistentFileId; /* opaque endianness */
1086         __u64  VolatileFileId; /* opaque endianness */
1087 } __packed;
1088 
1089 /*
1090  * Maximum size of a SMB2_CLOSE response is 64 (smb2 header) + 60 (data)
1091  */
1092 #define MAX_SMB2_CLOSE_RESPONSE_SIZE 124
1093 
1094 struct smb2_close_rsp {
1095         struct smb2_sync_hdr sync_hdr;
1096         __le16 StructureSize; /* 60 */
1097         __le16 Flags;
1098         __le32 Reserved;
1099         __le64 CreationTime;
1100         __le64 LastAccessTime;
1101         __le64 LastWriteTime;
1102         __le64 ChangeTime;
1103         __le64 AllocationSize;  /* Beginning of FILE_STANDARD_INFO equivalent */
1104         __le64 EndOfFile;
1105         __le32 Attributes;
1106 } __packed;
1107 
1108 struct smb2_flush_req {
1109         struct smb2_sync_hdr sync_hdr;
1110         __le16 StructureSize;   /* Must be 24 */
1111         __le16 Reserved1;
1112         __le32 Reserved2;
1113         __u64  PersistentFileId; /* opaque endianness */
1114         __u64  VolatileFileId; /* opaque endianness */
1115 } __packed;
1116 
1117 struct smb2_flush_rsp {
1118         struct smb2_sync_hdr sync_hdr;
1119         __le16 StructureSize;
1120         __le16 Reserved;
1121 } __packed;
1122 
1123 /* For read request Flags field below, following flag is defined for SMB3.02 */
1124 #define SMB2_READFLAG_READ_UNBUFFERED   0x01
1125 #define SMB2_READFLAG_REQUEST_COMPRESSED 0x02 /* See MS-SMB2 2.2.19 */
1126 
1127 /* Channel field for read and write: exactly one of following flags can be set*/
1128 #define SMB2_CHANNEL_NONE       cpu_to_le32(0x00000000)
1129 #define SMB2_CHANNEL_RDMA_V1    cpu_to_le32(0x00000001) /* SMB3 or later */
1130 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) /* >= SMB3.02 */
1131 
1132 /* SMB2 read request without RFC1001 length at the beginning */
1133 struct smb2_read_plain_req {
1134         struct smb2_sync_hdr sync_hdr;
1135         __le16 StructureSize; /* Must be 49 */
1136         __u8   Padding; /* offset from start of SMB2 header to place read */
1137         __u8   Flags; /* MBZ unless SMB3.02 or later */
1138         __le32 Length;
1139         __le64 Offset;
1140         __u64  PersistentFileId; /* opaque endianness */
1141         __u64  VolatileFileId; /* opaque endianness */
1142         __le32 MinimumCount;
1143         __le32 Channel; /* MBZ except for SMB3 or later */
1144         __le32 RemainingBytes;
1145         __le16 ReadChannelInfoOffset;
1146         __le16 ReadChannelInfoLength;
1147         __u8   Buffer[1];
1148 } __packed;
1149 
1150 struct smb2_read_rsp {
1151         struct smb2_sync_hdr sync_hdr;
1152         __le16 StructureSize; /* Must be 17 */
1153         __u8   DataOffset;
1154         __u8   Reserved;
1155         __le32 DataLength;
1156         __le32 DataRemaining;
1157         __u32  Reserved2;
1158         __u8   Buffer[1];
1159 } __packed;
1160 
1161 /* For write request Flags field below the following flags are defined: */
1162 #define SMB2_WRITEFLAG_WRITE_THROUGH    0x00000001      /* SMB2.1 or later */
1163 #define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002      /* SMB3.02 or later */
1164 
1165 struct smb2_write_req {
1166         struct smb2_sync_hdr sync_hdr;
1167         __le16 StructureSize; /* Must be 49 */
1168         __le16 DataOffset; /* offset from start of SMB2 header to write data */
1169         __le32 Length;
1170         __le64 Offset;
1171         __u64  PersistentFileId; /* opaque endianness */
1172         __u64  VolatileFileId; /* opaque endianness */
1173         __le32 Channel; /* Reserved MBZ */
1174         __le32 RemainingBytes;
1175         __le16 WriteChannelInfoOffset;
1176         __le16 WriteChannelInfoLength;
1177         __le32 Flags;
1178         __u8   Buffer[1];
1179 } __packed;
1180 
1181 struct smb2_write_rsp {
1182         struct smb2_sync_hdr sync_hdr;
1183         __le16 StructureSize; /* Must be 17 */
1184         __u8   DataOffset;
1185         __u8   Reserved;
1186         __le32 DataLength;
1187         __le32 DataRemaining;
1188         __u32  Reserved2;
1189         __u8   Buffer[1];
1190 } __packed;
1191 
1192 /* notify flags */
1193 #define SMB2_WATCH_TREE                 0x0001
1194 
1195 /* notify completion filter flags. See MS-FSCC 2.6 and MS-SMB2 2.2.35 */
1196 #define FILE_NOTIFY_CHANGE_FILE_NAME            0x00000001
1197 #define FILE_NOTIFY_CHANGE_DIR_NAME             0x00000002
1198 #define FILE_NOTIFY_CHANGE_ATTRIBUTES           0x00000004
1199 #define FILE_NOTIFY_CHANGE_SIZE                 0x00000008
1200 #define FILE_NOTIFY_CHANGE_LAST_WRITE           0x00000010
1201 #define FILE_NOTIFY_CHANGE_LAST_ACCESS          0x00000020
1202 #define FILE_NOTIFY_CHANGE_CREATION             0x00000040
1203 #define FILE_NOTIFY_CHANGE_EA                   0x00000080
1204 #define FILE_NOTIFY_CHANGE_SECURITY             0x00000100
1205 #define FILE_NOTIFY_CHANGE_STREAM_NAME          0x00000200
1206 #define FILE_NOTIFY_CHANGE_STREAM_SIZE          0x00000400
1207 #define FILE_NOTIFY_CHANGE_STREAM_WRITE         0x00000800
1208 
1209 struct smb2_change_notify_req {
1210         struct smb2_sync_hdr sync_hdr;
1211         __le16  StructureSize;
1212         __le16  Flags;
1213         __le32  OutputBufferLength;
1214         __u64   PersistentFileId; /* opaque endianness */
1215         __u64   VolatileFileId; /* opaque endianness */
1216         __le32  CompletionFilter;
1217         __u32   Reserved;
1218 } __packed;
1219 
1220 struct smb2_change_notify_rsp {
1221         struct smb2_sync_hdr sync_hdr;
1222         __le16  StructureSize;  /* Must be 9 */
1223         __le16  OutputBufferOffset;
1224         __le32  OutputBufferLength;
1225         __u8    Buffer[1]; /* array of file notify structs */
1226 } __packed;
1227 
1228 #define SMB2_LOCKFLAG_SHARED_LOCK       0x0001
1229 #define SMB2_LOCKFLAG_EXCLUSIVE_LOCK    0x0002
1230 #define SMB2_LOCKFLAG_UNLOCK            0x0004
1231 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY  0x0010
1232 
1233 struct smb2_lock_element {
1234         __le64 Offset;
1235         __le64 Length;
1236         __le32 Flags;
1237         __le32 Reserved;
1238 } __packed;
1239 
1240 struct smb2_lock_req {
1241         struct smb2_sync_hdr sync_hdr;
1242         __le16 StructureSize; /* Must be 48 */
1243         __le16 LockCount;
1244         __le32 Reserved;
1245         __u64  PersistentFileId; /* opaque endianness */
1246         __u64  VolatileFileId; /* opaque endianness */
1247         /* Followed by at least one */
1248         struct smb2_lock_element locks[1];
1249 } __packed;
1250 
1251 struct smb2_lock_rsp {
1252         struct smb2_sync_hdr sync_hdr;
1253         __le16 StructureSize; /* Must be 4 */
1254         __le16 Reserved;
1255 } __packed;
1256 
1257 struct smb2_echo_req {
1258         struct smb2_sync_hdr sync_hdr;
1259         __le16 StructureSize;   /* Must be 4 */
1260         __u16  Reserved;
1261 } __packed;
1262 
1263 struct smb2_echo_rsp {
1264         struct smb2_sync_hdr sync_hdr;
1265         __le16 StructureSize;   /* Must be 4 */
1266         __u16  Reserved;
1267 } __packed;
1268 
1269 /* search (query_directory) Flags field */
1270 #define SMB2_RESTART_SCANS              0x01
1271 #define SMB2_RETURN_SINGLE_ENTRY        0x02
1272 #define SMB2_INDEX_SPECIFIED            0x04
1273 #define SMB2_REOPEN                     0x10
1274 
1275 struct smb2_query_directory_req {
1276         struct smb2_sync_hdr sync_hdr;
1277         __le16 StructureSize; /* Must be 33 */
1278         __u8   FileInformationClass;
1279         __u8   Flags;
1280         __le32 FileIndex;
1281         __u64  PersistentFileId; /* opaque endianness */
1282         __u64  VolatileFileId; /* opaque endianness */
1283         __le16 FileNameOffset;
1284         __le16 FileNameLength;
1285         __le32 OutputBufferLength;
1286         __u8   Buffer[1];
1287 } __packed;
1288 
1289 struct smb2_query_directory_rsp {
1290         struct smb2_sync_hdr sync_hdr;
1291         __le16 StructureSize; /* Must be 9 */
1292         __le16 OutputBufferOffset;
1293         __le32 OutputBufferLength;
1294         __u8   Buffer[1];
1295 } __packed;
1296 
1297 /* Possible InfoType values */
1298 #define SMB2_O_INFO_FILE        0x01
1299 #define SMB2_O_INFO_FILESYSTEM  0x02
1300 #define SMB2_O_INFO_SECURITY    0x03
1301 #define SMB2_O_INFO_QUOTA       0x04
1302 
1303 /* Security info type additionalinfo flags. See MS-SMB2 (2.2.37) or MS-DTYP */
1304 #define OWNER_SECINFO   0x00000001
1305 #define GROUP_SECINFO   0x00000002
1306 #define DACL_SECINFO   0x00000004
1307 #define SACL_SECINFO   0x00000008
1308 #define LABEL_SECINFO   0x00000010
1309 #define ATTRIBUTE_SECINFO   0x00000020
1310 #define SCOPE_SECINFO   0x00000040
1311 #define BACKUP_SECINFO   0x00010000
1312 #define UNPROTECTED_SACL_SECINFO   0x10000000
1313 #define UNPROTECTED_DACL_SECINFO   0x20000000
1314 #define PROTECTED_SACL_SECINFO   0x40000000
1315 #define PROTECTED_DACL_SECINFO   0x80000000
1316 
1317 /* Flags used for FileFullEAinfo */
1318 #define SL_RESTART_SCAN         0x00000001
1319 #define SL_RETURN_SINGLE_ENTRY  0x00000002
1320 #define SL_INDEX_SPECIFIED      0x00000004
1321 
1322 struct smb2_query_info_req {
1323         struct smb2_sync_hdr sync_hdr;
1324         __le16 StructureSize; /* Must be 41 */
1325         __u8   InfoType;
1326         __u8   FileInfoClass;
1327         __le32 OutputBufferLength;
1328         __le16 InputBufferOffset;
1329         __u16  Reserved;
1330         __le32 InputBufferLength;
1331         __le32 AdditionalInformation;
1332         __le32 Flags;
1333         __u64  PersistentFileId; /* opaque endianness */
1334         __u64  VolatileFileId; /* opaque endianness */
1335         __u8   Buffer[1];
1336 } __packed;
1337 
1338 struct smb2_query_info_rsp {
1339         struct smb2_sync_hdr sync_hdr;
1340         __le16 StructureSize; /* Must be 9 */
1341         __le16 OutputBufferOffset;
1342         __le32 OutputBufferLength;
1343         __u8   Buffer[1];
1344 } __packed;
1345 
1346 /*
1347  * Maximum number of iovs we need for a set-info request.
1348  * The largest one is rename/hardlink
1349  * [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info
1350  * [1] : path
1351  * [2] : compound padding
1352  */
1353 #define SMB2_SET_INFO_IOV_SIZE 3
1354 
1355 struct smb2_set_info_req {
1356         struct smb2_sync_hdr sync_hdr;
1357         __le16 StructureSize; /* Must be 33 */
1358         __u8   InfoType;
1359         __u8   FileInfoClass;
1360         __le32 BufferLength;
1361         __le16 BufferOffset;
1362         __u16  Reserved;
1363         __le32 AdditionalInformation;
1364         __u64  PersistentFileId; /* opaque endianness */
1365         __u64  VolatileFileId; /* opaque endianness */
1366         __u8   Buffer[1];
1367 } __packed;
1368 
1369 struct smb2_set_info_rsp {
1370         struct smb2_sync_hdr sync_hdr;
1371         __le16 StructureSize; /* Must be 2 */
1372 } __packed;
1373 
1374 struct smb2_oplock_break {
1375         struct smb2_sync_hdr sync_hdr;
1376         __le16 StructureSize; /* Must be 24 */
1377         __u8   OplockLevel;
1378         __u8   Reserved;
1379         __le32 Reserved2;
1380         __u64  PersistentFid;
1381         __u64  VolatileFid;
1382 } __packed;
1383 
1384 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01)
1385 
1386 struct smb2_lease_break {
1387         struct smb2_sync_hdr sync_hdr;
1388         __le16 StructureSize; /* Must be 44 */
1389         __le16 Reserved;
1390         __le32 Flags;
1391         __u8   LeaseKey[16];
1392         __le32 CurrentLeaseState;
1393         __le32 NewLeaseState;
1394         __le32 BreakReason;
1395         __le32 AccessMaskHint;
1396         __le32 ShareMaskHint;
1397 } __packed;
1398 
1399 struct smb2_lease_ack {
1400         struct smb2_sync_hdr sync_hdr;
1401         __le16 StructureSize; /* Must be 36 */
1402         __le16 Reserved;
1403         __le32 Flags;
1404         __u8   LeaseKey[16];
1405         __le32 LeaseState;
1406         __le64 LeaseDuration;
1407 } __packed;
1408 
1409 /*
1410  *      PDU infolevel structure definitions
1411  *      BB consider moving to a different header
1412  */
1413 
1414 /* File System Information Classes */
1415 #define FS_VOLUME_INFORMATION           1 /* Query */
1416 #define FS_LABEL_INFORMATION            2 /* Local only */
1417 #define FS_SIZE_INFORMATION             3 /* Query */
1418 #define FS_DEVICE_INFORMATION           4 /* Query */
1419 #define FS_ATTRIBUTE_INFORMATION        5 /* Query */
1420 #define FS_CONTROL_INFORMATION          6 /* Query, Set */
1421 #define FS_FULL_SIZE_INFORMATION        7 /* Query */
1422 #define FS_OBJECT_ID_INFORMATION        8 /* Query, Set */
1423 #define FS_DRIVER_PATH_INFORMATION      9 /* Local only */
1424 #define FS_VOLUME_FLAGS_INFORMATION     10 /* Local only */
1425 #define FS_SECTOR_SIZE_INFORMATION      11 /* SMB3 or later. Query */
1426 #define FS_POSIX_INFORMATION            100 /* SMB3.1.1 POSIX. Query */
1427 
1428 struct smb2_fs_full_size_info {
1429         __le64 TotalAllocationUnits;
1430         __le64 CallerAvailableAllocationUnits;
1431         __le64 ActualAvailableAllocationUnits;
1432         __le32 SectorsPerAllocationUnit;
1433         __le32 BytesPerSector;
1434 } __packed;
1435 
1436 #define SSINFO_FLAGS_ALIGNED_DEVICE             0x00000001
1437 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002
1438 #define SSINFO_FLAGS_NO_SEEK_PENALTY            0x00000004
1439 #define SSINFO_FLAGS_TRIM_ENABLED               0x00000008
1440 
1441 /* sector size info struct */
1442 struct smb3_fs_ss_info {
1443         __le32 LogicalBytesPerSector;
1444         __le32 PhysicalBytesPerSectorForAtomicity;
1445         __le32 PhysicalBytesPerSectorForPerf;
1446         __le32 FileSystemEffectivePhysicalBytesPerSectorForAtomicity;
1447         __le32 Flags;
1448         __le32 ByteOffsetForSectorAlignment;
1449         __le32 ByteOffsetForPartitionAlignment;
1450 } __packed;
1451 
1452 /* volume info struct - see MS-FSCC 2.5.9 */
1453 #define MAX_VOL_LABEL_LEN       32
1454 struct smb3_fs_vol_info {
1455         __le64  VolumeCreationTime;
1456         __u32   VolumeSerialNumber;
1457         __le32  VolumeLabelLength; /* includes trailing null */
1458         __u8    SupportsObjects; /* True if eg like NTFS, supports objects */
1459         __u8    Reserved;
1460         __u8    VolumeLabel[0]; /* variable len */
1461 } __packed;
1462 
1463 /* partial list of QUERY INFO levels */
1464 #define FILE_DIRECTORY_INFORMATION      1
1465 #define FILE_FULL_DIRECTORY_INFORMATION 2
1466 #define FILE_BOTH_DIRECTORY_INFORMATION 3
1467 #define FILE_BASIC_INFORMATION          4
1468 #define FILE_STANDARD_INFORMATION       5
1469 #define FILE_INTERNAL_INFORMATION       6
1470 #define FILE_EA_INFORMATION             7
1471 #define FILE_ACCESS_INFORMATION         8
1472 #define FILE_NAME_INFORMATION           9
1473 #define FILE_RENAME_INFORMATION         10
1474 #define FILE_LINK_INFORMATION           11
1475 #define FILE_NAMES_INFORMATION          12
1476 #define FILE_DISPOSITION_INFORMATION    13
1477 #define FILE_POSITION_INFORMATION       14
1478 #define FILE_FULL_EA_INFORMATION        15
1479 #define FILE_MODE_INFORMATION           16
1480 #define FILE_ALIGNMENT_INFORMATION      17
1481 #define FILE_ALL_INFORMATION            18
1482 #define FILE_ALLOCATION_INFORMATION     19
1483 #define FILE_END_OF_FILE_INFORMATION    20
1484 #define FILE_ALTERNATE_NAME_INFORMATION 21
1485 #define FILE_STREAM_INFORMATION         22
1486 #define FILE_PIPE_INFORMATION           23
1487 #define FILE_PIPE_LOCAL_INFORMATION     24
1488 #define FILE_PIPE_REMOTE_INFORMATION    25
1489 #define FILE_MAILSLOT_QUERY_INFORMATION 26
1490 #define FILE_MAILSLOT_SET_INFORMATION   27
1491 #define FILE_COMPRESSION_INFORMATION    28
1492 #define FILE_OBJECT_ID_INFORMATION      29
1493 /* Number 30 not defined in documents */
1494 #define FILE_MOVE_CLUSTER_INFORMATION   31
1495 #define FILE_QUOTA_INFORMATION          32
1496 #define FILE_REPARSE_POINT_INFORMATION  33
1497 #define FILE_NETWORK_OPEN_INFORMATION   34
1498 #define FILE_ATTRIBUTE_TAG_INFORMATION  35
1499 #define FILE_TRACKING_INFORMATION       36
1500 #define FILEID_BOTH_DIRECTORY_INFORMATION 37
1501 #define FILEID_FULL_DIRECTORY_INFORMATION 38
1502 #define FILE_VALID_DATA_LENGTH_INFORMATION 39
1503 #define FILE_SHORT_NAME_INFORMATION     40
1504 #define FILE_SFIO_RESERVE_INFORMATION   44
1505 #define FILE_SFIO_VOLUME_INFORMATION    45
1506 #define FILE_HARD_LINK_INFORMATION      46
1507 #define FILE_NORMALIZED_NAME_INFORMATION 48
1508 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50
1509 #define FILE_STANDARD_LINK_INFORMATION  54
1510 
1511 struct smb2_file_internal_info {
1512         __le64 IndexNumber;
1513 } __packed; /* level 6 Query */
1514 
1515 struct smb2_file_rename_info { /* encoding of request for level 10 */
1516         __u8   ReplaceIfExists; /* 1 = replace existing target with new */
1517                                 /* 0 = fail if target already exists */
1518         __u8   Reserved[7];
1519         __u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
1520         __le32 FileNameLength;
1521         char   FileName[0];     /* New name to be assigned */
1522 } __packed; /* level 10 Set */
1523 
1524 struct smb2_file_link_info { /* encoding of request for level 11 */
1525         __u8   ReplaceIfExists; /* 1 = replace existing link with new */
1526                                 /* 0 = fail if link already exists */
1527         __u8   Reserved[7];
1528         __u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
1529         __le32 FileNameLength;
1530         char   FileName[0];     /* Name to be assigned to new link */
1531 } __packed; /* level 11 Set */
1532 
1533 struct smb2_file_full_ea_info { /* encoding of response for level 15 */
1534         __le32 next_entry_offset;
1535         __u8   flags;
1536         __u8   ea_name_length;
1537         __le16 ea_value_length;
1538         char   ea_data[0]; /* \0 terminated name plus value */
1539 } __packed; /* level 15 Set */
1540 
1541 /*
1542  * This level 18, although with struct with same name is different from cifs
1543  * level 0x107. Level 0x107 has an extra u64 between AccessFlags and
1544  * CurrentByteOffset.
1545  */
1546 struct smb2_file_all_info { /* data block encoding of response to level 18 */
1547         __le64 CreationTime;    /* Beginning of FILE_BASIC_INFO equivalent */
1548         __le64 LastAccessTime;
1549         __le64 LastWriteTime;
1550         __le64 ChangeTime;
1551         __le32 Attributes;
1552         __u32  Pad1;            /* End of FILE_BASIC_INFO_INFO equivalent */
1553         __le64 AllocationSize;  /* Beginning of FILE_STANDARD_INFO equivalent */
1554         __le64 EndOfFile;       /* size ie offset to first free byte in file */
1555         __le32 NumberOfLinks;   /* hard links */
1556         __u8   DeletePending;
1557         __u8   Directory;
1558         __u16  Pad2;            /* End of FILE_STANDARD_INFO equivalent */
1559         __le64 IndexNumber;
1560         __le32 EASize;
1561         __le32 AccessFlags;
1562         __le64 CurrentByteOffset;
1563         __le32 Mode;
1564         __le32 AlignmentRequirement;
1565         __le32 FileNameLength;
1566         char   FileName[1];
1567 } __packed; /* level 18 Query */
1568 
1569 struct smb2_file_eof_info { /* encoding of request for level 10 */
1570         __le64 EndOfFile; /* new end of file value */
1571 } __packed; /* level 20 Set */
1572 
1573 extern char smb2_padding[7];
1574 
1575 #endif                          /* _SMB2PDU_H */
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root/fs/cifs/smb2pdu.h

INCLUDED FROM
