fs/cifs/smb2pdu.h

   1 /*
   2  *   fs/cifs/smb2pdu.h
   3  *
   4  *   Copyright (c) International Business Machines  Corp., 2009, 2013
   5  *                 Etersoft, 2012
   6  *   Author(s): Steve French (sfrench@us.ibm.com)
   7  *              Pavel Shilovsky (pshilovsky@samba.org) 2012
   8  *
   9  *   This library is free software; you can redistribute it and/or modify
  10  *   it under the terms of the GNU Lesser General Public License as published
  11  *   by the Free Software Foundation; either version 2.1 of the License, or
  12  *   (at your option) any later version.
  13  *
  14  *   This library is distributed in the hope that it will be useful,
  15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
  17  *   the GNU Lesser General Public License for more details.
  18  *
  19  *   You should have received a copy of the GNU Lesser General Public License
  20  *   along with this library; if not, write to the Free Software
  21  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  22  */
  23
  24 #ifndef _SMB2PDU_H
  25 #define _SMB2PDU_H
  26
  27 #include <net/sock.h>
  28
  29 /*
  30  * Note that, due to trying to use names similar to the protocol specifications,
  31  * there are many mixed case field names in the structures below.  Although
  32  * this does not match typical Linux kernel style, it is necessary to be
  33  * be able to match against the protocol specfication.
  34  *
  35  * SMB2 commands
  36  * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses
  37  * (ie no useful data other than the SMB error code itself) and are marked such.
  38  * Knowing this helps avoid response buffer allocations and copy in some cases.
  39  */
  40
  41 /* List of commands in host endian */
  42 #define SMB2_NEGOTIATE_HE       0x0000
  43 #define SMB2_SESSION_SETUP_HE   0x0001
  44 #define SMB2_LOGOFF_HE          0x0002 /* trivial request/resp */
  45 #define SMB2_TREE_CONNECT_HE    0x0003
  46 #define SMB2_TREE_DISCONNECT_HE 0x0004 /* trivial req/resp */
  47 #define SMB2_CREATE_HE          0x0005
  48 #define SMB2_CLOSE_HE           0x0006
  49 #define SMB2_FLUSH_HE           0x0007 /* trivial resp */
  50 #define SMB2_READ_HE            0x0008
  51 #define SMB2_WRITE_HE           0x0009
  52 #define SMB2_LOCK_HE            0x000A
  53 #define SMB2_IOCTL_HE           0x000B
  54 #define SMB2_CANCEL_HE          0x000C
  55 #define SMB2_ECHO_HE            0x000D
  56 #define SMB2_QUERY_DIRECTORY_HE 0x000E
  57 #define SMB2_CHANGE_NOTIFY_HE   0x000F
  58 #define SMB2_QUERY_INFO_HE      0x0010
  59 #define SMB2_SET_INFO_HE        0x0011
  60 #define SMB2_OPLOCK_BREAK_HE    0x0012
  61
  62 /* The same list in little endian */
  63 #define SMB2_NEGOTIATE          cpu_to_le16(SMB2_NEGOTIATE_HE)
  64 #define SMB2_SESSION_SETUP      cpu_to_le16(SMB2_SESSION_SETUP_HE)
  65 #define SMB2_LOGOFF             cpu_to_le16(SMB2_LOGOFF_HE)
  66 #define SMB2_TREE_CONNECT       cpu_to_le16(SMB2_TREE_CONNECT_HE)
  67 #define SMB2_TREE_DISCONNECT    cpu_to_le16(SMB2_TREE_DISCONNECT_HE)
  68 #define SMB2_CREATE             cpu_to_le16(SMB2_CREATE_HE)
  69 #define SMB2_CLOSE              cpu_to_le16(SMB2_CLOSE_HE)
  70 #define SMB2_FLUSH              cpu_to_le16(SMB2_FLUSH_HE)
  71 #define SMB2_READ               cpu_to_le16(SMB2_READ_HE)
  72 #define SMB2_WRITE              cpu_to_le16(SMB2_WRITE_HE)
  73 #define SMB2_LOCK               cpu_to_le16(SMB2_LOCK_HE)
  74 #define SMB2_IOCTL              cpu_to_le16(SMB2_IOCTL_HE)
  75 #define SMB2_CANCEL             cpu_to_le16(SMB2_CANCEL_HE)
  76 #define SMB2_ECHO               cpu_to_le16(SMB2_ECHO_HE)
  77 #define SMB2_QUERY_DIRECTORY    cpu_to_le16(SMB2_QUERY_DIRECTORY_HE)
  78 #define SMB2_CHANGE_NOTIFY      cpu_to_le16(SMB2_CHANGE_NOTIFY_HE)
  79 #define SMB2_QUERY_INFO         cpu_to_le16(SMB2_QUERY_INFO_HE)
  80 #define SMB2_SET_INFO           cpu_to_le16(SMB2_SET_INFO_HE)
  81 #define SMB2_OPLOCK_BREAK       cpu_to_le16(SMB2_OPLOCK_BREAK_HE)
  82
  83 #define NUMBER_OF_SMB2_COMMANDS 0x0013
  84
  85 /* BB FIXME - analyze following length BB */
  86 #define MAX_SMB2_HDR_SIZE 0x78 /* 4 len + 64 hdr + (2*24 wct) + 2 bct + 2 pad */
  87
  88 #define SMB2_PROTO_NUMBER __constant_cpu_to_le32(0x424d53fe)
  89
  90 /*
  91  * SMB2 Header Definition
  92  *
  93  * "MBZ" :  Must be Zero
  94  * "BB"  :  BugBug, Something to check/review/analyze later
  95  * "PDU" :  "Protocol Data Unit" (ie a network "frame")
  96  *
  97  */
  98
  99 #define SMB2_HEADER_STRUCTURE_SIZE __constant_cpu_to_le16(64)
 100
 101 struct smb2_hdr {
 102         __be32 smb2_buf_length; /* big endian on wire */
 103                                 /* length is only two or three bytes - with
 104                                  one or two byte type preceding it that MBZ */
 105         __u8   ProtocolId[4];   /* 0xFE 'S' 'M' 'B' */
 106         __le16 StructureSize;   /* 64 */
 107         __le16 CreditCharge;    /* MBZ */
 108         __le32 Status;          /* Error from server */
 109         __le16 Command;
 110         __le16 CreditRequest;  /* CreditResponse */
 111         __le32 Flags;
 112         __le32 NextCommand;
 113         __u64  MessageId;       /* opaque - so can stay little endian */
 114         __le32 ProcessId;
 115         __u32  TreeId;          /* opaque - so do not make little endian */
 116         __u64  SessionId;       /* opaque - so do not make little endian */
 117         __u8   Signature[16];
 118 } __packed;
 119
 120 struct smb2_pdu {
 121         struct smb2_hdr hdr;
 122         __le16 StructureSize2; /* size of wct area (varies, request specific) */
 123 } __packed;
 124
 125 struct smb2_transform_hdr {
 126         __be32 smb2_buf_length; /* big endian on wire */
 127                                 /* length is only two or three bytes - with
 128                                  one or two byte type preceding it that MBZ */
 129         __u8   ProtocolId[4];   /* 0xFD 'S' 'M' 'B' */
 130         __u8   Signature[16];
 131         __u8   Nonce[11];
 132         __u8   Reserved[5];
 133         __le32 OriginalMessageSize;
 134         __u16  Reserved1;
 135         __le16 EncryptionAlgorithm;
 136         __u64  SessionId;
 137 } __packed;
 138
 139 /* Encryption Algorithms */
 140 #define SMB2_ENCRYPTION_AES128_CCM      __constant_cpu_to_le16(0x0001)
 141
 142 /*
 143  *      SMB2 flag definitions
 144  */
 145 #define SMB2_FLAGS_SERVER_TO_REDIR      __constant_cpu_to_le32(0x00000001)
 146 #define SMB2_FLAGS_ASYNC_COMMAND        __constant_cpu_to_le32(0x00000002)
 147 #define SMB2_FLAGS_RELATED_OPERATIONS   __constant_cpu_to_le32(0x00000004)
 148 #define SMB2_FLAGS_SIGNED               __constant_cpu_to_le32(0x00000008)
 149 #define SMB2_FLAGS_DFS_OPERATIONS       __constant_cpu_to_le32(0x10000000)
 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 SMB2_ERROR_STRUCTURE_SIZE2 __constant_cpu_to_le16(9)
 161
 162 struct smb2_err_rsp {
 163         struct smb2_hdr hdr;
 164         __le16 StructureSize;
 165         __le16 Reserved; /* MBZ */
 166         __le32 ByteCount;  /* even if zero, at least one byte follows */
 167         __u8   ErrorData[1];  /* variable length */
 168 } __packed;
 169
 170 struct smb2_symlink_err_rsp {
 171         __le32 SymLinkLength;
 172         __le32 SymLinkErrorTag;
 173         __le32 ReparseTag;
 174         __le16 ReparseDataLength;
 175         __le16 UnparsedPathLength;
 176         __le16 SubstituteNameOffset;
 177         __le16 SubstituteNameLength;
 178         __le16 PrintNameOffset;
 179         __le16 PrintNameLength;
 180         __le32 Flags;
 181         __u8  PathBuffer[0];
 182 } __packed;
 183
 184 #define SMB2_CLIENT_GUID_SIZE 16
 185
 186 extern __u8 cifs_client_guid[SMB2_CLIENT_GUID_SIZE];
 187
 188 struct smb2_negotiate_req {
 189         struct smb2_hdr hdr;
 190         __le16 StructureSize; /* Must be 36 */
 191         __le16 DialectCount;
 192         __le16 SecurityMode;
 193         __le16 Reserved;        /* MBZ */
 194         __le32 Capabilities;
 195         __u8   ClientGUID[SMB2_CLIENT_GUID_SIZE];
 196         __le64 ClientStartTime; /* MBZ */
 197         __le16 Dialects[1]; /* One dialect (vers=) at a time for now */
 198 } __packed;
 199
 200 /* Dialects */
 201 #define SMB20_PROT_ID 0x0202
 202 #define SMB21_PROT_ID 0x0210
 203 #define SMB30_PROT_ID 0x0300
 204 #define SMB302_PROT_ID 0x0302
 205 #define BAD_PROT_ID   0xFFFF
 206
 207 /* SecurityMode flags */
 208 #define SMB2_NEGOTIATE_SIGNING_ENABLED  0x0001
 209 #define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002
 210 /* Capabilities flags */
 211 #define SMB2_GLOBAL_CAP_DFS             0x00000001
 212 #define SMB2_GLOBAL_CAP_LEASING         0x00000002 /* Resp only New to SMB2.1 */
 213 #define SMB2_GLOBAL_CAP_LARGE_MTU       0X00000004 /* Resp only New to SMB2.1 */
 214 #define SMB2_GLOBAL_CAP_MULTI_CHANNEL   0x00000008 /* New to SMB3 */
 215 #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */
 216 #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING  0x00000020 /* New to SMB3 */
 217 #define SMB2_GLOBAL_CAP_ENCRYPTION      0x00000040 /* New to SMB3 */
 218 /* Internal types */
 219 #define SMB2_NT_FIND                    0x00100000
 220 #define SMB2_LARGE_FILES                0x00200000
 221
 222 struct smb2_negotiate_rsp {
 223         struct smb2_hdr hdr;
 224         __le16 StructureSize;   /* Must be 65 */
 225         __le16 SecurityMode;
 226         __le16 DialectRevision;
 227         __le16 Reserved;        /* MBZ */
 228         __u8   ServerGUID[16];
 229         __le32 Capabilities;
 230         __le32 MaxTransactSize;
 231         __le32 MaxReadSize;
 232         __le32 MaxWriteSize;
 233         __le64 SystemTime;      /* MBZ */
 234         __le64 ServerStartTime;
 235         __le16 SecurityBufferOffset;
 236         __le16 SecurityBufferLength;
 237         __le32 Reserved2;       /* may be any value, ignore */
 238         __u8   Buffer[1];       /* variable length GSS security buffer */
 239 } __packed;
 240
 241 struct smb2_sess_setup_req {
 242         struct smb2_hdr hdr;
 243         __le16 StructureSize; /* Must be 25 */
 244         __u8   VcNumber;
 245         __u8   SecurityMode;
 246         __le32 Capabilities;
 247         __le32 Channel;
 248         __le16 SecurityBufferOffset;
 249         __le16 SecurityBufferLength;
 250         __le64 PreviousSessionId;
 251         __u8   Buffer[1];       /* variable length GSS security buffer */
 252 } __packed;
 253
 254 /* Currently defined SessionFlags */
 255 #define SMB2_SESSION_FLAG_IS_GUEST      0x0001
 256 #define SMB2_SESSION_FLAG_IS_NULL       0x0002
 257 #define SMB2_SESSION_FLAG_ENCRYPT_DATA  0x0004
 258 struct smb2_sess_setup_rsp {
 259         struct smb2_hdr hdr;
 260         __le16 StructureSize; /* Must be 9 */
 261         __le16 SessionFlags;
 262         __le16 SecurityBufferOffset;
 263         __le16 SecurityBufferLength;
 264         __u8   Buffer[1];       /* variable length GSS security buffer */
 265 } __packed;
 266
 267 struct smb2_logoff_req {
 268         struct smb2_hdr hdr;
 269         __le16 StructureSize;   /* Must be 4 */
 270         __le16 Reserved;
 271 } __packed;
 272
 273 struct smb2_logoff_rsp {
 274         struct smb2_hdr hdr;
 275         __le16 StructureSize;   /* Must be 4 */
 276         __le16 Reserved;
 277 } __packed;
 278
 279 struct smb2_tree_connect_req {
 280         struct smb2_hdr hdr;
 281         __le16 StructureSize;   /* Must be 9 */
 282         __le16 Reserved;
 283         __le16 PathOffset;
 284         __le16 PathLength;
 285         __u8   Buffer[1];       /* variable length */
 286 } __packed;
 287
 288 struct smb2_tree_connect_rsp {
 289         struct smb2_hdr hdr;
 290         __le16 StructureSize;   /* Must be 16 */
 291         __u8   ShareType;  /* see below */
 292         __u8   Reserved;
 293         __le32 ShareFlags; /* see below */
 294         __le32 Capabilities; /* see below */
 295         __le32 MaximalAccess;
 296 } __packed;
 297
 298 /* Possible ShareType values */
 299 #define SMB2_SHARE_TYPE_DISK    0x01
 300 #define SMB2_SHARE_TYPE_PIPE    0x02
 301 #define SMB2_SHARE_TYPE_PRINT   0x03
 302
 303 /*
 304  * Possible ShareFlags - exactly one and only one of the first 4 caching flags
 305  * must be set (any of the remaining, SHI1005, flags may be set individually
 306  * or in combination.
 307  */
 308 #define SMB2_SHAREFLAG_MANUAL_CACHING                   0x00000000
 309 #define SMB2_SHAREFLAG_AUTO_CACHING                     0x00000010
 310 #define SMB2_SHAREFLAG_VDO_CACHING                      0x00000020
 311 #define SMB2_SHAREFLAG_NO_CACHING                       0x00000030
 312 #define SHI1005_FLAGS_DFS                               0x00000001
 313 #define SHI1005_FLAGS_DFS_ROOT                          0x00000002
 314 #define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS          0x00000100
 315 #define SHI1005_FLAGS_FORCE_SHARED_DELETE               0x00000200
 316 #define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING           0x00000400
 317 #define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM       0x00000800
 318 #define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK              0x00001000
 319 #define SHI1005_FLAGS_ENABLE_HASH_V1                    0x00002000
 320 #define SHI1005_FLAGS_ENABLE_HASH_V2                    0x00004000
 321 #define SHI1005_FLAGS_ENCRYPT_DATA                      0x00008000
 322 #define SHI1005_FLAGS_ALL                               0x0000FF33
 323
 324 /* Possible share capabilities */
 325 #define SMB2_SHARE_CAP_DFS      cpu_to_le32(0x00000008) /* all dialects */
 326 #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */
 327 #define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */
 328 #define SMB2_SHARE_CAP_CLUSTER  cpu_to_le32(0x00000040) /* 3.0 */
 329 #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */
 330
 331 struct smb2_tree_disconnect_req {
 332         struct smb2_hdr hdr;
 333         __le16 StructureSize;   /* Must be 4 */
 334         __le16 Reserved;
 335 } __packed;
 336
 337 struct smb2_tree_disconnect_rsp {
 338         struct smb2_hdr hdr;
 339         __le16 StructureSize;   /* Must be 4 */
 340         __le16 Reserved;
 341 } __packed;
 342
 343 /* File Attrubutes */
 344 #define FILE_ATTRIBUTE_READONLY                 0x00000001
 345 #define FILE_ATTRIBUTE_HIDDEN                   0x00000002
 346 #define FILE_ATTRIBUTE_SYSTEM                   0x00000004
 347 #define FILE_ATTRIBUTE_DIRECTORY                0x00000010
 348 #define FILE_ATTRIBUTE_ARCHIVE                  0x00000020
 349 #define FILE_ATTRIBUTE_NORMAL                   0x00000080
 350 #define FILE_ATTRIBUTE_TEMPORARY                0x00000100
 351 #define FILE_ATTRIBUTE_SPARSE_FILE              0x00000200
 352 #define FILE_ATTRIBUTE_REPARSE_POINT            0x00000400
 353 #define FILE_ATTRIBUTE_COMPRESSED               0x00000800
 354 #define FILE_ATTRIBUTE_OFFLINE                  0x00001000
 355 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED      0x00002000
 356 #define FILE_ATTRIBUTE_ENCRYPTED                0x00004000
 357
 358 /* Oplock levels */
 359 #define SMB2_OPLOCK_LEVEL_NONE          0x00
 360 #define SMB2_OPLOCK_LEVEL_II            0x01
 361 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE     0x08
 362 #define SMB2_OPLOCK_LEVEL_BATCH         0x09
 363 #define SMB2_OPLOCK_LEVEL_LEASE         0xFF
 364 /* Non-spec internal type */
 365 #define SMB2_OPLOCK_LEVEL_NOCHANGE      0x99
 366
 367 /* Desired Access Flags */
 368 #define FILE_READ_DATA_LE               cpu_to_le32(0x00000001)
 369 #define FILE_WRITE_DATA_LE              cpu_to_le32(0x00000002)
 370 #define FILE_APPEND_DATA_LE             cpu_to_le32(0x00000004)
 371 #define FILE_READ_EA_LE                 cpu_to_le32(0x00000008)
 372 #define FILE_WRITE_EA_LE                cpu_to_le32(0x00000010)
 373 #define FILE_EXECUTE_LE                 cpu_to_le32(0x00000020)
 374 #define FILE_READ_ATTRIBUTES_LE         cpu_to_le32(0x00000080)
 375 #define FILE_WRITE_ATTRIBUTES_LE        cpu_to_le32(0x00000100)
 376 #define FILE_DELETE_LE                  cpu_to_le32(0x00010000)
 377 #define FILE_READ_CONTROL_LE            cpu_to_le32(0x00020000)
 378 #define FILE_WRITE_DAC_LE               cpu_to_le32(0x00040000)
 379 #define FILE_WRITE_OWNER_LE             cpu_to_le32(0x00080000)
 380 #define FILE_SYNCHRONIZE_LE             cpu_to_le32(0x00100000)
 381 #define FILE_ACCESS_SYSTEM_SECURITY_LE  cpu_to_le32(0x01000000)
 382 #define FILE_MAXIMAL_ACCESS_LE          cpu_to_le32(0x02000000)
 383 #define FILE_GENERIC_ALL_LE             cpu_to_le32(0x10000000)
 384 #define FILE_GENERIC_EXECUTE_LE         cpu_to_le32(0x20000000)
 385 #define FILE_GENERIC_WRITE_LE           cpu_to_le32(0x40000000)
 386 #define FILE_GENERIC_READ_LE            cpu_to_le32(0x80000000)
 387
 388 /* ShareAccess Flags */
 389 #define FILE_SHARE_READ_LE              cpu_to_le32(0x00000001)
 390 #define FILE_SHARE_WRITE_LE             cpu_to_le32(0x00000002)
 391 #define FILE_SHARE_DELETE_LE            cpu_to_le32(0x00000004)
 392 #define FILE_SHARE_ALL_LE               cpu_to_le32(0x00000007)
 393
 394 /* CreateDisposition Flags */
 395 #define FILE_SUPERSEDE_LE               cpu_to_le32(0x00000000)
 396 #define FILE_OPEN_LE                    cpu_to_le32(0x00000001)
 397 #define FILE_CREATE_LE                  cpu_to_le32(0x00000002)
 398 #define FILE_OPEN_IF_LE                 cpu_to_le32(0x00000003)
 399 #define FILE_OVERWRITE_LE               cpu_to_le32(0x00000004)
 400 #define FILE_OVERWRITE_IF_LE            cpu_to_le32(0x00000005)
 401
 402 /* CreateOptions Flags */
 403 #define FILE_DIRECTORY_FILE_LE          cpu_to_le32(0x00000001)
 404 /* same as #define CREATE_NOT_FILE_LE   cpu_to_le32(0x00000001) */
 405 #define FILE_WRITE_THROUGH_LE           cpu_to_le32(0x00000002)
 406 #define FILE_SEQUENTIAL_ONLY_LE         cpu_to_le32(0x00000004)
 407 #define FILE_NO_INTERMEDIATE_BUFFERRING_LE cpu_to_le32(0x00000008)
 408 #define FILE_SYNCHRONOUS_IO_ALERT_LE    cpu_to_le32(0x00000010)
 409 #define FILE_SYNCHRONOUS_IO_NON_ALERT_LE        cpu_to_le32(0x00000020)
 410 #define FILE_NON_DIRECTORY_FILE_LE      cpu_to_le32(0x00000040)
 411 #define FILE_COMPLETE_IF_OPLOCKED_LE    cpu_to_le32(0x00000100)
 412 #define FILE_NO_EA_KNOWLEDGE_LE         cpu_to_le32(0x00000200)
 413 #define FILE_RANDOM_ACCESS_LE           cpu_to_le32(0x00000800)
 414 #define FILE_DELETE_ON_CLOSE_LE         cpu_to_le32(0x00001000)
 415 #define FILE_OPEN_BY_FILE_ID_LE         cpu_to_le32(0x00002000)
 416 #define FILE_OPEN_FOR_BACKUP_INTENT_LE  cpu_to_le32(0x00004000)
 417 #define FILE_NO_COMPRESSION_LE          cpu_to_le32(0x00008000)
 418 #define FILE_RESERVE_OPFILTER_LE        cpu_to_le32(0x00100000)
 419 #define FILE_OPEN_REPARSE_POINT_LE      cpu_to_le32(0x00200000)
 420 #define FILE_OPEN_NO_RECALL_LE          cpu_to_le32(0x00400000)
 421 #define FILE_OPEN_FOR_FREE_SPACE_QUERY_LE cpu_to_le32(0x00800000)
 422
 423 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \
 424                         | FILE_READ_ATTRIBUTES_LE)
 425 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \
 426                         | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE)
 427 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE)
 428
 429 /* Impersonation Levels */
 430 #define IL_ANONYMOUS            cpu_to_le32(0x00000000)
 431 #define IL_IDENTIFICATION       cpu_to_le32(0x00000001)
 432 #define IL_IMPERSONATION        cpu_to_le32(0x00000002)
 433 #define IL_DELEGATE             cpu_to_le32(0x00000003)
 434
 435 /* Create Context Values */
 436 #define SMB2_CREATE_EA_BUFFER                   "ExtA" /* extended attributes */
 437 #define SMB2_CREATE_SD_BUFFER                   "SecD" /* security descriptor */
 438 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST      "DHnQ"
 439 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT    "DHnC"
 440 #define SMB2_CREATE_ALLOCATION_SIZE             "AlSi"
 441 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc"
 442 #define SMB2_CREATE_TIMEWARP_REQUEST            "TWrp"
 443 #define SMB2_CREATE_QUERY_ON_DISK_ID            "QFid"
 444 #define SMB2_CREATE_REQUEST_LEASE               "RqLs"
 445
 446 struct smb2_create_req {
 447         struct smb2_hdr hdr;
 448         __le16 StructureSize;   /* Must be 57 */
 449         __u8   SecurityFlags;
 450         __u8   RequestedOplockLevel;
 451         __le32 ImpersonationLevel;
 452         __le64 SmbCreateFlags;
 453         __le64 Reserved;
 454         __le32 DesiredAccess;
 455         __le32 FileAttributes;
 456         __le32 ShareAccess;
 457         __le32 CreateDisposition;
 458         __le32 CreateOptions;
 459         __le16 NameOffset;
 460         __le16 NameLength;
 461         __le32 CreateContextsOffset;
 462         __le32 CreateContextsLength;
 463         __u8   Buffer[0];
 464 } __packed;
 465
 466 struct smb2_create_rsp {
 467         struct smb2_hdr hdr;
 468         __le16 StructureSize;   /* Must be 89 */
 469         __u8   OplockLevel;
 470         __u8   Reserved;
 471         __le32 CreateAction;
 472         __le64 CreationTime;
 473         __le64 LastAccessTime;
 474         __le64 LastWriteTime;
 475         __le64 ChangeTime;
 476         __le64 AllocationSize;
 477         __le64 EndofFile;
 478         __le32 FileAttributes;
 479         __le32 Reserved2;
 480         __u64  PersistentFileId; /* opaque endianness */
 481         __u64  VolatileFileId; /* opaque endianness */
 482         __le32 CreateContextsOffset;
 483         __le32 CreateContextsLength;
 484         __u8   Buffer[1];
 485 } __packed;
 486
 487 struct create_context {
 488         __le32 Next;
 489         __le16 NameOffset;
 490         __le16 NameLength;
 491         __le16 Reserved;
 492         __le16 DataOffset;
 493         __le32 DataLength;
 494         __u8 Buffer[0];
 495 } __packed;
 496
 497 #define SMB2_LEASE_READ_CACHING_HE      0x01
 498 #define SMB2_LEASE_HANDLE_CACHING_HE    0x02
 499 #define SMB2_LEASE_WRITE_CACHING_HE     0x04
 500
 501 #define SMB2_LEASE_NONE                 __constant_cpu_to_le32(0x00)
 502 #define SMB2_LEASE_READ_CACHING         __constant_cpu_to_le32(0x01)
 503 #define SMB2_LEASE_HANDLE_CACHING       __constant_cpu_to_le32(0x02)
 504 #define SMB2_LEASE_WRITE_CACHING        __constant_cpu_to_le32(0x04)
 505
 506 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS __constant_cpu_to_le32(0x02)
 507
 508 #define SMB2_LEASE_KEY_SIZE 16
 509
 510 struct lease_context {
 511         __le64 LeaseKeyLow;
 512         __le64 LeaseKeyHigh;
 513         __le32 LeaseState;
 514         __le32 LeaseFlags;
 515         __le64 LeaseDuration;
 516 } __packed;
 517
 518 struct lease_context_v2 {
 519         __le64 LeaseKeyLow;
 520         __le64 LeaseKeyHigh;
 521         __le32 LeaseState;
 522         __le32 LeaseFlags;
 523         __le64 LeaseDuration;
 524         __le64 ParentLeaseKeyLow;
 525         __le64 ParentLeaseKeyHigh;
 526         __le16 Epoch;
 527         __le16 Reserved;
 528 } __packed;
 529
 530 struct create_lease {
 531         struct create_context ccontext;
 532         __u8   Name[8];
 533         struct lease_context lcontext;
 534 } __packed;
 535
 536 struct create_lease_v2 {
 537         struct create_context ccontext;
 538         __u8   Name[8];
 539         struct lease_context_v2 lcontext;
 540         __u8   Pad[4];
 541 } __packed;
 542
 543 struct create_durable {
 544         struct create_context ccontext;
 545         __u8   Name[8];
 546         union {
 547                 __u8  Reserved[16];
 548                 struct {
 549                         __u64 PersistentFileId;
 550                         __u64 VolatileFileId;
 551                 } Fid;
 552         } Data;
 553 } __packed;
 554
 555 #define COPY_CHUNK_RES_KEY_SIZE 24
 556 struct resume_key_req {
 557         char ResumeKey[COPY_CHUNK_RES_KEY_SIZE];
 558         __le32  ContextLength;  /* MBZ */
 559         char    Context[0];     /* ignored, Windows sets to 4 bytes of zero */
 560 } __packed;
 561
 562 /* this goes in the ioctl buffer when doing a copychunk request */
 563 struct copychunk_ioctl {
 564         char SourceKey[COPY_CHUNK_RES_KEY_SIZE];
 565         __le32 ChunkCount; /* we are only sending 1 */
 566         __le32 Reserved;
 567         /* array will only be one chunk long for us */
 568         __le64 SourceOffset;
 569         __le64 TargetOffset;
 570         __le32 Length; /* how many bytes to copy */
 571         __u32 Reserved2;
 572 } __packed;
 573
 574 struct copychunk_ioctl_rsp {
 575         __le32 ChunksWritten;
 576         __le32 ChunkBytesWritten;
 577         __le32 TotalBytesWritten;
 578 } __packed;
 579
 580 /* Response and Request are the same format */
 581 struct validate_negotiate_info {
 582         __le32 Capabilities;
 583         __u8   Guid[SMB2_CLIENT_GUID_SIZE];
 584         __le16 SecurityMode;
 585         __le16 DialectCount;
 586         __le16 Dialect[1];
 587 } __packed;
 588
 589 #define RSS_CAPABLE     0x00000001
 590 #define RDMA_CAPABLE    0x00000002
 591
 592 struct network_interface_info_ioctl_rsp {
 593         __le32 Next; /* next interface. zero if this is last one */
 594         __le32 IfIndex;
 595         __le32 Capability; /* RSS or RDMA Capable */
 596         __le32 Reserved;
 597         __le64 LinkSpeed;
 598         char    SockAddr_Storage[128];
 599 } __packed;
 600
 601 #define NO_FILE_ID 0xFFFFFFFFFFFFFFFFULL /* general ioctls to srv not to file */
 602
 603 struct compress_ioctl {
 604         __le16 CompressionState; /* See cifspdu.h for possible flag values */
 605 } __packed;
 606
 607 struct smb2_ioctl_req {
 608         struct smb2_hdr hdr;
 609         __le16 StructureSize;   /* Must be 57 */
 610         __u16 Reserved;
 611         __le32 CtlCode;
 612         __u64  PersistentFileId; /* opaque endianness */
 613         __u64  VolatileFileId; /* opaque endianness */
 614         __le32 InputOffset;
 615         __le32 InputCount;
 616         __le32 MaxInputResponse;
 617         __le32 OutputOffset;
 618         __le32 OutputCount;
 619         __le32 MaxOutputResponse;
 620         __le32 Flags;
 621         __u32  Reserved2;
 622         __u8   Buffer[0];
 623 } __packed;
 624
 625 struct smb2_ioctl_rsp {
 626         struct smb2_hdr hdr;
 627         __le16 StructureSize;   /* Must be 57 */
 628         __u16 Reserved;
 629         __le32 CtlCode;
 630         __u64  PersistentFileId; /* opaque endianness */
 631         __u64  VolatileFileId; /* opaque endianness */
 632         __le32 InputOffset;
 633         __le32 InputCount;
 634         __le32 OutputOffset;
 635         __le32 OutputCount;
 636         __le32 Flags;
 637         __u32  Reserved2;
 638         /* char * buffer[] */
 639 } __packed;
 640
 641 /* Currently defined values for close flags */
 642 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB        cpu_to_le16(0x0001)
 643 struct smb2_close_req {
 644         struct smb2_hdr hdr;
 645         __le16 StructureSize;   /* Must be 24 */
 646         __le16 Flags;
 647         __le32 Reserved;
 648         __u64  PersistentFileId; /* opaque endianness */
 649         __u64  VolatileFileId; /* opaque endianness */
 650 } __packed;
 651
 652 struct smb2_close_rsp {
 653         struct smb2_hdr hdr;
 654         __le16 StructureSize; /* 60 */
 655         __le16 Flags;
 656         __le32 Reserved;
 657         __le64 CreationTime;
 658         __le64 LastAccessTime;
 659         __le64 LastWriteTime;
 660         __le64 ChangeTime;
 661         __le64 AllocationSize;  /* Beginning of FILE_STANDARD_INFO equivalent */
 662         __le64 EndOfFile;
 663         __le32 Attributes;
 664 } __packed;
 665
 666 struct smb2_flush_req {
 667         struct smb2_hdr hdr;
 668         __le16 StructureSize;   /* Must be 24 */
 669         __le16 Reserved1;
 670         __le32 Reserved2;
 671         __u64  PersistentFileId; /* opaque endianness */
 672         __u64  VolatileFileId; /* opaque endianness */
 673 } __packed;
 674
 675 struct smb2_flush_rsp {
 676         struct smb2_hdr hdr;
 677         __le16 StructureSize;
 678         __le16 Reserved;
 679 } __packed;
 680
 681 /* For read request Flags field below, following flag is defined for SMB3.02 */
 682 #define SMB2_READFLAG_READ_UNBUFFERED   0x01
 683
 684 /* Channel field for read and write: exactly one of following flags can be set*/
 685 #define SMB2_CHANNEL_NONE               0x00000000
 686 #define SMB2_CHANNEL_RDMA_V1            0x00000001 /* SMB3 or later */
 687 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE 0x00000001 /* SMB3.02 or later */
 688
 689 struct smb2_read_req {
 690         struct smb2_hdr hdr;
 691         __le16 StructureSize; /* Must be 49 */
 692         __u8   Padding; /* offset from start of SMB2 header to place read */
 693         __u8   Flags; /* MBZ unless SMB3.02 or later */
 694         __le32 Length;
 695         __le64 Offset;
 696         __u64  PersistentFileId; /* opaque endianness */
 697         __u64  VolatileFileId; /* opaque endianness */
 698         __le32 MinimumCount;
 699         __le32 Channel; /* MBZ except for SMB3 or later */
 700         __le32 RemainingBytes;
 701         __le16 ReadChannelInfoOffset; /* Reserved MBZ */
 702         __le16 ReadChannelInfoLength; /* Reserved MBZ */
 703         __u8   Buffer[1];
 704 } __packed;
 705
 706 struct smb2_read_rsp {
 707         struct smb2_hdr hdr;
 708         __le16 StructureSize; /* Must be 17 */
 709         __u8   DataOffset;
 710         __u8   Reserved;
 711         __le32 DataLength;
 712         __le32 DataRemaining;
 713         __u32  Reserved2;
 714         __u8   Buffer[1];
 715 } __packed;
 716
 717 /* For write request Flags field below the following flags are defined: */
 718 #define SMB2_WRITEFLAG_WRITE_THROUGH    0x00000001      /* SMB2.1 or later */
 719 #define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002      /* SMB3.02 or later */
 720
 721 struct smb2_write_req {
 722         struct smb2_hdr hdr;
 723         __le16 StructureSize; /* Must be 49 */
 724         __le16 DataOffset; /* offset from start of SMB2 header to write data */
 725         __le32 Length;
 726         __le64 Offset;
 727         __u64  PersistentFileId; /* opaque endianness */
 728         __u64  VolatileFileId; /* opaque endianness */
 729         __le32 Channel; /* Reserved MBZ */
 730         __le32 RemainingBytes;
 731         __le16 WriteChannelInfoOffset; /* Reserved MBZ */
 732         __le16 WriteChannelInfoLength; /* Reserved MBZ */
 733         __le32 Flags;
 734         __u8   Buffer[1];
 735 } __packed;
 736
 737 struct smb2_write_rsp {
 738         struct smb2_hdr hdr;
 739         __le16 StructureSize; /* Must be 17 */
 740         __u8   DataOffset;
 741         __u8   Reserved;
 742         __le32 DataLength;
 743         __le32 DataRemaining;
 744         __u32  Reserved2;
 745         __u8   Buffer[1];
 746 } __packed;
 747
 748 #define SMB2_LOCKFLAG_SHARED_LOCK       0x0001
 749 #define SMB2_LOCKFLAG_EXCLUSIVE_LOCK    0x0002
 750 #define SMB2_LOCKFLAG_UNLOCK            0x0004
 751 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY  0x0010
 752
 753 struct smb2_lock_element {
 754         __le64 Offset;
 755         __le64 Length;
 756         __le32 Flags;
 757         __le32 Reserved;
 758 } __packed;
 759
 760 struct smb2_lock_req {
 761         struct smb2_hdr hdr;
 762         __le16 StructureSize; /* Must be 48 */
 763         __le16 LockCount;
 764         __le32 Reserved;
 765         __u64  PersistentFileId; /* opaque endianness */
 766         __u64  VolatileFileId; /* opaque endianness */
 767         /* Followed by at least one */
 768         struct smb2_lock_element locks[1];
 769 } __packed;
 770
 771 struct smb2_lock_rsp {
 772         struct smb2_hdr hdr;
 773         __le16 StructureSize; /* Must be 4 */
 774         __le16 Reserved;
 775 } __packed;
 776
 777 struct smb2_echo_req {
 778         struct smb2_hdr hdr;
 779         __le16 StructureSize;   /* Must be 4 */
 780         __u16  Reserved;
 781 } __packed;
 782
 783 struct smb2_echo_rsp {
 784         struct smb2_hdr hdr;
 785         __le16 StructureSize;   /* Must be 4 */
 786         __u16  Reserved;
 787 } __packed;
 788
 789 /* search (query_directory) Flags field */
 790 #define SMB2_RESTART_SCANS              0x01
 791 #define SMB2_RETURN_SINGLE_ENTRY        0x02
 792 #define SMB2_INDEX_SPECIFIED            0x04
 793 #define SMB2_REOPEN                     0x10
 794
 795 struct smb2_query_directory_req {
 796         struct smb2_hdr hdr;
 797         __le16 StructureSize; /* Must be 33 */
 798         __u8   FileInformationClass;
 799         __u8   Flags;
 800         __le32 FileIndex;
 801         __u64  PersistentFileId; /* opaque endianness */
 802         __u64  VolatileFileId; /* opaque endianness */
 803         __le16 FileNameOffset;
 804         __le16 FileNameLength;
 805         __le32 OutputBufferLength;
 806         __u8   Buffer[1];
 807 } __packed;
 808
 809 struct smb2_query_directory_rsp {
 810         struct smb2_hdr hdr;
 811         __le16 StructureSize; /* Must be 9 */
 812         __le16 OutputBufferOffset;
 813         __le32 OutputBufferLength;
 814         __u8   Buffer[1];
 815 } __packed;
 816
 817 /* Possible InfoType values */
 818 #define SMB2_O_INFO_FILE        0x01
 819 #define SMB2_O_INFO_FILESYSTEM  0x02
 820 #define SMB2_O_INFO_SECURITY    0x03
 821 #define SMB2_O_INFO_QUOTA       0x04
 822
 823 struct smb2_query_info_req {
 824         struct smb2_hdr hdr;
 825         __le16 StructureSize; /* Must be 41 */
 826         __u8   InfoType;
 827         __u8   FileInfoClass;
 828         __le32 OutputBufferLength;
 829         __le16 InputBufferOffset;
 830         __u16  Reserved;
 831         __le32 InputBufferLength;
 832         __le32 AdditionalInformation;
 833         __le32 Flags;
 834         __u64  PersistentFileId; /* opaque endianness */
 835         __u64  VolatileFileId; /* opaque endianness */
 836         __u8   Buffer[1];
 837 } __packed;
 838
 839 struct smb2_query_info_rsp {
 840         struct smb2_hdr hdr;
 841         __le16 StructureSize; /* Must be 9 */
 842         __le16 OutputBufferOffset;
 843         __le32 OutputBufferLength;
 844         __u8   Buffer[1];
 845 } __packed;
 846
 847 struct smb2_set_info_req {
 848         struct smb2_hdr hdr;
 849         __le16 StructureSize; /* Must be 33 */
 850         __u8   InfoType;
 851         __u8   FileInfoClass;
 852         __le32 BufferLength;
 853         __le16 BufferOffset;
 854         __u16  Reserved;
 855         __le32 AdditionalInformation;
 856         __u64  PersistentFileId; /* opaque endianness */
 857         __u64  VolatileFileId; /* opaque endianness */
 858         __u8   Buffer[1];
 859 } __packed;
 860
 861 struct smb2_set_info_rsp {
 862         struct smb2_hdr hdr;
 863         __le16 StructureSize; /* Must be 2 */
 864 } __packed;
 865
 866 struct smb2_oplock_break {
 867         struct smb2_hdr hdr;
 868         __le16 StructureSize; /* Must be 24 */
 869         __u8   OplockLevel;
 870         __u8   Reserved;
 871         __le32 Reserved2;
 872         __u64  PersistentFid;
 873         __u64  VolatileFid;
 874 } __packed;
 875
 876 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01)
 877
 878 struct smb2_lease_break {
 879         struct smb2_hdr hdr;
 880         __le16 StructureSize; /* Must be 44 */
 881         __le16 Reserved;
 882         __le32 Flags;
 883         __u8   LeaseKey[16];
 884         __le32 CurrentLeaseState;
 885         __le32 NewLeaseState;
 886         __le32 BreakReason;
 887         __le32 AccessMaskHint;
 888         __le32 ShareMaskHint;
 889 } __packed;
 890
 891 struct smb2_lease_ack {
 892         struct smb2_hdr hdr;
 893         __le16 StructureSize; /* Must be 36 */
 894         __le16 Reserved;
 895         __le32 Flags;
 896         __u8   LeaseKey[16];
 897         __le32 LeaseState;
 898         __le64 LeaseDuration;
 899 } __packed;
 900
 901 /*
 902  *      PDU infolevel structure definitions
 903  *      BB consider moving to a different header
 904  */
 905
 906 /* File System Information Classes */
 907 #define FS_VOLUME_INFORMATION           1 /* Query */
 908 #define FS_LABEL_INFORMATION            2 /* Local only */
 909 #define FS_SIZE_INFORMATION             3 /* Query */
 910 #define FS_DEVICE_INFORMATION           4 /* Query */
 911 #define FS_ATTRIBUTE_INFORMATION        5 /* Query */
 912 #define FS_CONTROL_INFORMATION          6 /* Query, Set */
 913 #define FS_FULL_SIZE_INFORMATION        7 /* Query */
 914 #define FS_OBJECT_ID_INFORMATION        8 /* Query, Set */
 915 #define FS_DRIVER_PATH_INFORMATION      9 /* Local only */
 916 #define FS_VOLUME_FLAGS_INFORMATION     10 /* Local only */
 917 #define FS_SECTOR_SIZE_INFORMATION      11 /* SMB3 or later. Query */
 918
 919 struct smb2_fs_full_size_info {
 920         __le64 TotalAllocationUnits;
 921         __le64 CallerAvailableAllocationUnits;
 922         __le64 ActualAvailableAllocationUnits;
 923         __le32 SectorsPerAllocationUnit;
 924         __le32 BytesPerSector;
 925 } __packed;
 926
 927 #define SSINFO_FLAGS_ALIGNED_DEVICE             0x00000001
 928 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002
 929 #define SSINFO_FLAGS_NO_SEEK_PENALTY            0x00000004
 930 #define SSINFO_FLAGS_TRIM_ENABLED               0x00000008
 931
 932 /* sector size info struct */
 933 struct smb3_fs_ss_info {
 934         __le32 LogicalBytesPerSector;
 935         __le32 PhysicalBytesPerSectorForAtomicity;
 936         __le32 PhysicalBytesPerSectorForPerf;
 937         __le32 FileSystemEffectivePhysicalBytesPerSectorForAtomicity;
 938         __le32 Flags;
 939         __le32 ByteOffsetForSectorAlignment;
 940         __le32 ByteOffsetForPartitionAlignment;
 941 } __packed;
 942
 943 /* partial list of QUERY INFO levels */
 944 #define FILE_DIRECTORY_INFORMATION      1
 945 #define FILE_FULL_DIRECTORY_INFORMATION 2
 946 #define FILE_BOTH_DIRECTORY_INFORMATION 3
 947 #define FILE_BASIC_INFORMATION          4
 948 #define FILE_STANDARD_INFORMATION       5
 949 #define FILE_INTERNAL_INFORMATION       6
 950 #define FILE_EA_INFORMATION             7
 951 #define FILE_ACCESS_INFORMATION         8
 952 #define FILE_NAME_INFORMATION           9
 953 #define FILE_RENAME_INFORMATION         10
 954 #define FILE_LINK_INFORMATION           11
 955 #define FILE_NAMES_INFORMATION          12
 956 #define FILE_DISPOSITION_INFORMATION    13
 957 #define FILE_POSITION_INFORMATION       14
 958 #define FILE_FULL_EA_INFORMATION        15
 959 #define FILE_MODE_INFORMATION           16
 960 #define FILE_ALIGNMENT_INFORMATION      17
 961 #define FILE_ALL_INFORMATION            18
 962 #define FILE_ALLOCATION_INFORMATION     19
 963 #define FILE_END_OF_FILE_INFORMATION    20
 964 #define FILE_ALTERNATE_NAME_INFORMATION 21
 965 #define FILE_STREAM_INFORMATION         22
 966 #define FILE_PIPE_INFORMATION           23
 967 #define FILE_PIPE_LOCAL_INFORMATION     24
 968 #define FILE_PIPE_REMOTE_INFORMATION    25
 969 #define FILE_MAILSLOT_QUERY_INFORMATION 26
 970 #define FILE_MAILSLOT_SET_INFORMATION   27
 971 #define FILE_COMPRESSION_INFORMATION    28
 972 #define FILE_OBJECT_ID_INFORMATION      29
 973 /* Number 30 not defined in documents */
 974 #define FILE_MOVE_CLUSTER_INFORMATION   31
 975 #define FILE_QUOTA_INFORMATION          32
 976 #define FILE_REPARSE_POINT_INFORMATION  33
 977 #define FILE_NETWORK_OPEN_INFORMATION   34
 978 #define FILE_ATTRIBUTE_TAG_INFORMATION  35
 979 #define FILE_TRACKING_INFORMATION       36
 980 #define FILEID_BOTH_DIRECTORY_INFORMATION 37
 981 #define FILEID_FULL_DIRECTORY_INFORMATION 38
 982 #define FILE_VALID_DATA_LENGTH_INFORMATION 39
 983 #define FILE_SHORT_NAME_INFORMATION     40
 984 #define FILE_SFIO_RESERVE_INFORMATION   44
 985 #define FILE_SFIO_VOLUME_INFORMATION    45
 986 #define FILE_HARD_LINK_INFORMATION      46
 987 #define FILE_NORMALIZED_NAME_INFORMATION 48
 988 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50
 989 #define FILE_STANDARD_LINK_INFORMATION  54
 990
 991 struct smb2_file_internal_info {
 992         __le64 IndexNumber;
 993 } __packed; /* level 6 Query */
 994
 995 struct smb2_file_rename_info { /* encoding of request for level 10 */
 996         __u8   ReplaceIfExists; /* 1 = replace existing target with new */
 997                                 /* 0 = fail if target already exists */
 998         __u8   Reserved[7];
 999         __u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
1000         __le32 FileNameLength;
1001         char   FileName[0];     /* New name to be assigned */
1002 } __packed; /* level 10 Set */
1003
1004 struct smb2_file_link_info { /* encoding of request for level 11 */
1005         __u8   ReplaceIfExists; /* 1 = replace existing link with new */
1006                                 /* 0 = fail if link already exists */
1007         __u8   Reserved[7];
1008         __u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
1009         __le32 FileNameLength;
1010         char   FileName[0];     /* Name to be assigned to new link */
1011 } __packed; /* level 11 Set */
1012
1013 /*
1014  * This level 18, although with struct with same name is different from cifs
1015  * level 0x107. Level 0x107 has an extra u64 between AccessFlags and
1016  * CurrentByteOffset.
1017  */
1018 struct smb2_file_all_info { /* data block encoding of response to level 18 */
1019         __le64 CreationTime;    /* Beginning of FILE_BASIC_INFO equivalent */
1020         __le64 LastAccessTime;
1021         __le64 LastWriteTime;
1022         __le64 ChangeTime;
1023         __le32 Attributes;
1024         __u32  Pad1;            /* End of FILE_BASIC_INFO_INFO equivalent */
1025         __le64 AllocationSize;  /* Beginning of FILE_STANDARD_INFO equivalent */
1026         __le64 EndOfFile;       /* size ie offset to first free byte in file */
1027         __le32 NumberOfLinks;   /* hard links */
1028         __u8   DeletePending;
1029         __u8   Directory;
1030         __u16  Pad2;            /* End of FILE_STANDARD_INFO equivalent */
1031         __le64 IndexNumber;
1032         __le32 EASize;
1033         __le32 AccessFlags;
1034         __le64 CurrentByteOffset;
1035         __le32 Mode;
1036         __le32 AlignmentRequirement;
1037         __le32 FileNameLength;
1038         char   FileName[1];
1039 } __packed; /* level 18 Query */
1040
1041 struct smb2_file_eof_info { /* encoding of request for level 10 */
1042         __le64 EndOfFile; /* new end of file value */
1043 } __packed; /* level 20 Set */
1044
1045 #endif                          /* _SMB2PDU_H */