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 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_AES128CMM_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_DFS_OPERATIONS       cpu_to_le32(0x10000000)
 147
 148 /*
 149  *      Definitions for SMB2 Protocol Data Units (network frames)
 150  *
 151  *  See MS-SMB2.PDF specification for protocol details.
 152  *  The Naming convention is the lower case version of the SMB2
 153  *  command code name for the struct. Note that structures must be packed.
 154  *
 155  */
 156
 157 #define COMPOUND_FID 0xFFFFFFFFFFFFFFFFULL
 158
 159 #define SMB2_ERROR_STRUCTURE_SIZE2 cpu_to_le16(9)
 160
 161 struct smb2_err_rsp {
 162         struct smb2_sync_hdr sync_hdr;
 163         __le16 StructureSize;
 164         __le16 Reserved; /* MBZ */
 165         __le32 ByteCount;  /* even if zero, at least one byte follows */
 166         __u8   ErrorData[1];  /* variable length */
 167 } __packed;
 168
 169 struct smb2_symlink_err_rsp {
 170         __le32 SymLinkLength;
 171         __le32 SymLinkErrorTag;
 172         __le32 ReparseTag;
 173         __le16 ReparseDataLength;
 174         __le16 UnparsedPathLength;
 175         __le16 SubstituteNameOffset;
 176         __le16 SubstituteNameLength;
 177         __le16 PrintNameOffset;
 178         __le16 PrintNameLength;
 179         __le32 Flags;
 180         __u8  PathBuffer[0];
 181 } __packed;
 182
 183 /* SMB 3.1.1 and later dialects. See MS-SMB2 section 2.2.2.1 */
 184 struct smb2_error_context_rsp {
 185         __le32 ErrorDataLength;
 186         __le32 ErrorId;
 187         __u8  ErrorContextData; /* ErrorDataLength long array */
 188 } __packed;
 189
 190 /* Defines for Type field below (see MS-SMB2 2.2.2.2.2.1) */
 191 #define MOVE_DST_IPADDR_V4      cpu_to_le32(0x00000001)
 192 #define MOVE_DST_IPADDR_V6      cpu_to_le32(0x00000002)
 193
 194 struct move_dst_ipaddr {
 195         __le32 Type;
 196         __u32  Reserved;
 197         __u8   address[16]; /* IPv4 followed by 12 bytes rsvd or IPv6 address */
 198 } __packed;
 199
 200 struct share_redirect_error_context_rsp {
 201         __le32 StructureSize;
 202         __le32 NotificationType;
 203         __le32 ResourceNameOffset;
 204         __le32 ResourceNameLength;
 205         __le16 Flags;
 206         __le16 TargetType;
 207         __le32 IPAddrCount;
 208         struct move_dst_ipaddr IpAddrMoveList[0];
 209         /* __u8 ResourceName[] */ /* Name of share as counted Unicode string */
 210 } __packed;
 211
 212 #define SMB2_CLIENT_GUID_SIZE 16
 213
 214 struct smb2_negotiate_req {
 215         struct smb2_sync_hdr sync_hdr;
 216         __le16 StructureSize; /* Must be 36 */
 217         __le16 DialectCount;
 218         __le16 SecurityMode;
 219         __le16 Reserved;        /* MBZ */
 220         __le32 Capabilities;
 221         __u8   ClientGUID[SMB2_CLIENT_GUID_SIZE];
 222         /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */
 223         __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */
 224         __le16 NegotiateContextCount;  /* SMB3.1.1 only. MBZ earlier */
 225         __le16 Reserved2;
 226         __le16 Dialects[1]; /* One dialect (vers=) at a time for now */
 227 } __packed;
 228
 229 /* Dialects */
 230 #define SMB20_PROT_ID 0x0202
 231 #define SMB21_PROT_ID 0x0210
 232 #define SMB30_PROT_ID 0x0300
 233 #define SMB302_PROT_ID 0x0302
 234 #define SMB311_PROT_ID 0x0311
 235 #define BAD_PROT_ID   0xFFFF
 236
 237 /* SecurityMode flags */
 238 #define SMB2_NEGOTIATE_SIGNING_ENABLED  0x0001
 239 #define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002
 240 #define SMB2_SEC_MODE_FLAGS_ALL         0x0003
 241
 242 /* Capabilities flags */
 243 #define SMB2_GLOBAL_CAP_DFS             0x00000001
 244 #define SMB2_GLOBAL_CAP_LEASING         0x00000002 /* Resp only New to SMB2.1 */
 245 #define SMB2_GLOBAL_CAP_LARGE_MTU       0X00000004 /* Resp only New to SMB2.1 */
 246 #define SMB2_GLOBAL_CAP_MULTI_CHANNEL   0x00000008 /* New to SMB3 */
 247 #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */
 248 #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING  0x00000020 /* New to SMB3 */
 249 #define SMB2_GLOBAL_CAP_ENCRYPTION      0x00000040 /* New to SMB3 */
 250 /* Internal types */
 251 #define SMB2_NT_FIND                    0x00100000
 252 #define SMB2_LARGE_FILES                0x00200000
 253
 254 struct smb2_neg_context {
 255         __le16  ContextType;
 256         __le16  DataLength;
 257         __le32  Reserved;
 258         /* Followed by array of data */
 259 } __packed;
 260
 261 #define SMB311_SALT_SIZE                        32
 262 /* Hash Algorithm Types */
 263 #define SMB2_PREAUTH_INTEGRITY_SHA512   cpu_to_le16(0x0001)
 264 #define SMB2_PREAUTH_HASH_SIZE 64
 265
 266 #define MIN_PREAUTH_CTXT_DATA_LEN       (SMB311_SALT_SIZE + 6)
 267 struct smb2_preauth_neg_context {
 268         __le16  ContextType; /* 1 */
 269         __le16  DataLength;
 270         __le32  Reserved;
 271         __le16  HashAlgorithmCount; /* 1 */
 272         __le16  SaltLength;
 273         __le16  HashAlgorithms; /* HashAlgorithms[0] since only one defined */
 274         __u8    Salt[SMB311_SALT_SIZE];
 275 } __packed;
 276
 277 /* Encryption Algorithms Ciphers */
 278 #define SMB2_ENCRYPTION_AES128_CCM      cpu_to_le16(0x0001)
 279 #define SMB2_ENCRYPTION_AES128_GCM      cpu_to_le16(0x0002)
 280
 281 /* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */
 282 #define MIN_ENCRYPT_CTXT_DATA_LEN       4
 283 struct smb2_encryption_neg_context {
 284         __le16  ContextType; /* 2 */
 285         __le16  DataLength;
 286         __le32  Reserved;
 287         __le16  CipherCount; /* AES-128-GCM and AES-128-CCM */
 288         __le16  Ciphers[1]; /* Ciphers[0] since only one used now */
 289 } __packed;
 290
 291 #define POSIX_CTXT_DATA_LEN     8
 292 struct smb2_posix_neg_context {
 293         __le16  ContextType; /* 0x100 */
 294         __le16  DataLength;
 295         __le32  Reserved;
 296         __le64  Reserved1; /* In case needed for future (eg version or caps) */
 297 } __packed;
 298
 299 struct smb2_negotiate_rsp {
 300         struct smb2_sync_hdr sync_hdr;
 301         __le16 StructureSize;   /* Must be 65 */
 302         __le16 SecurityMode;
 303         __le16 DialectRevision;
 304         __le16 NegotiateContextCount;   /* Prior to SMB3.1.1 was Reserved & MBZ */
 305         __u8   ServerGUID[16];
 306         __le32 Capabilities;
 307         __le32 MaxTransactSize;
 308         __le32 MaxReadSize;
 309         __le32 MaxWriteSize;
 310         __le64 SystemTime;      /* MBZ */
 311         __le64 ServerStartTime;
 312         __le16 SecurityBufferOffset;
 313         __le16 SecurityBufferLength;
 314         __le32 NegotiateContextOffset;  /* Pre:SMB3.1.1 was reserved/ignored */
 315         __u8   Buffer[1];       /* variable length GSS security buffer */
 316 } __packed;
 317
 318 /* Flags */
 319 #define SMB2_SESSION_REQ_FLAG_BINDING           0x01
 320 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA      0x04
 321
 322 struct smb2_sess_setup_req {
 323         struct smb2_sync_hdr sync_hdr;
 324         __le16 StructureSize; /* Must be 25 */
 325         __u8   Flags;
 326         __u8   SecurityMode;
 327         __le32 Capabilities;
 328         __le32 Channel;
 329         __le16 SecurityBufferOffset;
 330         __le16 SecurityBufferLength;
 331         __u64 PreviousSessionId;
 332         __u8   Buffer[1];       /* variable length GSS security buffer */
 333 } __packed;
 334
 335 /* Currently defined SessionFlags */
 336 #define SMB2_SESSION_FLAG_IS_GUEST      0x0001
 337 #define SMB2_SESSION_FLAG_IS_NULL       0x0002
 338 #define SMB2_SESSION_FLAG_ENCRYPT_DATA  0x0004
 339 struct smb2_sess_setup_rsp {
 340         struct smb2_sync_hdr sync_hdr;
 341         __le16 StructureSize; /* Must be 9 */
 342         __le16 SessionFlags;
 343         __le16 SecurityBufferOffset;
 344         __le16 SecurityBufferLength;
 345         __u8   Buffer[1];       /* variable length GSS security buffer */
 346 } __packed;
 347
 348 struct smb2_logoff_req {
 349         struct smb2_sync_hdr sync_hdr;
 350         __le16 StructureSize;   /* Must be 4 */
 351         __le16 Reserved;
 352 } __packed;
 353
 354 struct smb2_logoff_rsp {
 355         struct smb2_sync_hdr sync_hdr;
 356         __le16 StructureSize;   /* Must be 4 */
 357         __le16 Reserved;
 358 } __packed;
 359
 360 /* Flags/Reserved for SMB3.1.1 */
 361 #define SMB2_TREE_CONNECT_FLAG_CLUSTER_RECONNECT cpu_to_le16(0x0001)
 362 #define SMB2_TREE_CONNECT_FLAG_REDIRECT_TO_OWNER cpu_to_le16(0x0002)
 363 #define SMB2_TREE_CONNECT_FLAG_EXTENSION_PRESENT cpu_to_le16(0x0004)
 364
 365 struct smb2_tree_connect_req {
 366         struct smb2_sync_hdr sync_hdr;
 367         __le16 StructureSize;   /* Must be 9 */
 368         __le16 Reserved; /* Flags in SMB3.1.1 */
 369         __le16 PathOffset;
 370         __le16 PathLength;
 371         __u8   Buffer[1];       /* variable length */
 372 } __packed;
 373
 374 /* See MS-SMB2 section 2.2.9.2 */
 375 /* Context Types */
 376 #define SMB2_RESERVED_TREE_CONNECT_CONTEXT_ID 0x0000
 377 #define SMB2_REMOTED_IDENTITY_TREE_CONNECT_CONTEXT_ID cpu_to_le16(0x0001)
 378
 379 struct tree_connect_contexts {
 380         __le16 ContextType;
 381         __le16 DataLength;
 382         __le32 Reserved;
 383         __u8   Data[0];
 384 } __packed;
 385
 386 /* Remoted identity tree connect context structures - see MS-SMB2 2.2.9.2.1 */
 387 struct smb3_blob_data {
 388         __le16 BlobSize;
 389         __u8   BlobData[0];
 390 } __packed;
 391
 392 /* Valid values for Attr */
 393 #define SE_GROUP_MANDATORY              0x00000001
 394 #define SE_GROUP_ENABLED_BY_DEFAULT     0x00000002
 395 #define SE_GROUP_ENABLED                0x00000004
 396 #define SE_GROUP_OWNER                  0x00000008
 397 #define SE_GROUP_USE_FOR_DENY_ONLY      0x00000010
 398 #define SE_GROUP_INTEGRITY              0x00000020
 399 #define SE_GROUP_INTEGRITY_ENABLED      0x00000040
 400 #define SE_GROUP_RESOURCE               0x20000000
 401 #define SE_GROUP_LOGON_ID               0xC0000000
 402
 403 /* struct sid_attr_data is SidData array in BlobData format then le32 Attr */
 404
 405 struct sid_array_data {
 406         __le16 SidAttrCount;
 407         /* SidAttrList - array of sid_attr_data structs */
 408 } __packed;
 409
 410 struct luid_attr_data {
 411
 412 } __packed;
 413
 414 /*
 415  * struct privilege_data is the same as BLOB_DATA - see MS-SMB2 2.2.9.2.1.5
 416  * but with size of LUID_ATTR_DATA struct and BlobData set to LUID_ATTR DATA
 417  */
 418
 419 struct privilege_array_data {
 420         __le16 PrivilegeCount;
 421         /* array of privilege_data structs */
 422 } __packed;
 423
 424 struct remoted_identity_tcon_context {
 425         __le16 TicketType; /* must be 0x0001 */
 426         __le16 TicketSize; /* total size of this struct */
 427         __le16 User; /* offset to SID_ATTR_DATA struct with user info */
 428         __le16 UserName; /* offset to null terminated Unicode username string */
 429         __le16 Domain; /* offset to null terminated Unicode domain name */
 430         __le16 Groups; /* offset to SID_ARRAY_DATA struct with group info */
 431         __le16 RestrictedGroups; /* similar to above */
 432         __le16 Privileges; /* offset to PRIVILEGE_ARRAY_DATA struct */
 433         __le16 PrimaryGroup; /* offset to SID_ARRAY_DATA struct */
 434         __le16 Owner; /* offset to BLOB_DATA struct */
 435         __le16 DefaultDacl; /* offset to BLOB_DATA struct */
 436         __le16 DeviceGroups; /* offset to SID_ARRAY_DATA struct */
 437         __le16 UserClaims; /* offset to BLOB_DATA struct */
 438         __le16 DeviceClaims; /* offset to BLOB_DATA struct */
 439         __u8   TicketInfo[0]; /* variable length buf - remoted identity data */
 440 } __packed;
 441
 442 struct smb2_tree_connect_req_extension {
 443         __le32 TreeConnectContextOffset;
 444         __le16 TreeConnectContextCount;
 445         __u8  Reserved[10];
 446         __u8  PathName[0]; /* variable sized array */
 447         /* followed by array of TreeConnectContexts */
 448 } __packed;
 449
 450 struct smb2_tree_connect_rsp {
 451         struct smb2_sync_hdr sync_hdr;
 452         __le16 StructureSize;   /* Must be 16 */
 453         __u8   ShareType;  /* see below */
 454         __u8   Reserved;
 455         __le32 ShareFlags; /* see below */
 456         __le32 Capabilities; /* see below */
 457         __le32 MaximalAccess;
 458 } __packed;
 459
 460 /* Possible ShareType values */
 461 #define SMB2_SHARE_TYPE_DISK    0x01
 462 #define SMB2_SHARE_TYPE_PIPE    0x02
 463 #define SMB2_SHARE_TYPE_PRINT   0x03
 464
 465 /*
 466  * Possible ShareFlags - exactly one and only one of the first 4 caching flags
 467  * must be set (any of the remaining, SHI1005, flags may be set individually
 468  * or in combination.
 469  */
 470 #define SMB2_SHAREFLAG_MANUAL_CACHING                   0x00000000
 471 #define SMB2_SHAREFLAG_AUTO_CACHING                     0x00000010
 472 #define SMB2_SHAREFLAG_VDO_CACHING                      0x00000020
 473 #define SMB2_SHAREFLAG_NO_CACHING                       0x00000030
 474 #define SHI1005_FLAGS_DFS                               0x00000001
 475 #define SHI1005_FLAGS_DFS_ROOT                          0x00000002
 476 #define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS          0x00000100
 477 #define SHI1005_FLAGS_FORCE_SHARED_DELETE               0x00000200
 478 #define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING           0x00000400
 479 #define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM       0x00000800
 480 #define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK              0x00001000
 481 #define SHI1005_FLAGS_ENABLE_HASH_V1                    0x00002000
 482 #define SHI1005_FLAGS_ENABLE_HASH_V2                    0x00004000
 483 #define SHI1005_FLAGS_ENCRYPT_DATA                      0x00008000
 484 #define SMB2_SHAREFLAG_IDENTITY_REMOTING                0x00040000 /* 3.1.1 */
 485 #define SHI1005_FLAGS_ALL                               0x0004FF33
 486
 487 /* Possible share capabilities */
 488 #define SMB2_SHARE_CAP_DFS      cpu_to_le32(0x00000008) /* all dialects */
 489 #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */
 490 #define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */
 491 #define SMB2_SHARE_CAP_CLUSTER  cpu_to_le32(0x00000040) /* 3.0 */
 492 #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */
 493 #define SMB2_SHARE_CAP_REDIRECT_TO_OWNER cpu_to_le32(0x00000100) /* 3.1.1 */
 494
 495 struct smb2_tree_disconnect_req {
 496         struct smb2_sync_hdr sync_hdr;
 497         __le16 StructureSize;   /* Must be 4 */
 498         __le16 Reserved;
 499 } __packed;
 500
 501 struct smb2_tree_disconnect_rsp {
 502         struct smb2_sync_hdr sync_hdr;
 503         __le16 StructureSize;   /* Must be 4 */
 504         __le16 Reserved;
 505 } __packed;
 506
 507 /* File Attrubutes */
 508 #define FILE_ATTRIBUTE_READONLY                 0x00000001
 509 #define FILE_ATTRIBUTE_HIDDEN                   0x00000002
 510 #define FILE_ATTRIBUTE_SYSTEM                   0x00000004
 511 #define FILE_ATTRIBUTE_DIRECTORY                0x00000010
 512 #define FILE_ATTRIBUTE_ARCHIVE                  0x00000020
 513 #define FILE_ATTRIBUTE_NORMAL                   0x00000080
 514 #define FILE_ATTRIBUTE_TEMPORARY                0x00000100
 515 #define FILE_ATTRIBUTE_SPARSE_FILE              0x00000200
 516 #define FILE_ATTRIBUTE_REPARSE_POINT            0x00000400
 517 #define FILE_ATTRIBUTE_COMPRESSED               0x00000800
 518 #define FILE_ATTRIBUTE_OFFLINE                  0x00001000
 519 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED      0x00002000
 520 #define FILE_ATTRIBUTE_ENCRYPTED                0x00004000
 521 #define FILE_ATTRIBUTE_INTEGRITY_STREAM         0x00008000
 522 #define FILE_ATTRIBUTE_NO_SCRUB_DATA            0x00020000
 523
 524 /* Oplock levels */
 525 #define SMB2_OPLOCK_LEVEL_NONE          0x00
 526 #define SMB2_OPLOCK_LEVEL_II            0x01
 527 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE     0x08
 528 #define SMB2_OPLOCK_LEVEL_BATCH         0x09
 529 #define SMB2_OPLOCK_LEVEL_LEASE         0xFF
 530 /* Non-spec internal type */
 531 #define SMB2_OPLOCK_LEVEL_NOCHANGE      0x99
 532
 533 /* Desired Access Flags */
 534 #define FILE_READ_DATA_LE               cpu_to_le32(0x00000001)
 535 #define FILE_WRITE_DATA_LE              cpu_to_le32(0x00000002)
 536 #define FILE_APPEND_DATA_LE             cpu_to_le32(0x00000004)
 537 #define FILE_READ_EA_LE                 cpu_to_le32(0x00000008)
 538 #define FILE_WRITE_EA_LE                cpu_to_le32(0x00000010)
 539 #define FILE_EXECUTE_LE                 cpu_to_le32(0x00000020)
 540 #define FILE_READ_ATTRIBUTES_LE         cpu_to_le32(0x00000080)
 541 #define FILE_WRITE_ATTRIBUTES_LE        cpu_to_le32(0x00000100)
 542 #define FILE_DELETE_LE                  cpu_to_le32(0x00010000)
 543 #define FILE_READ_CONTROL_LE            cpu_to_le32(0x00020000)
 544 #define FILE_WRITE_DAC_LE               cpu_to_le32(0x00040000)
 545 #define FILE_WRITE_OWNER_LE             cpu_to_le32(0x00080000)
 546 #define FILE_SYNCHRONIZE_LE             cpu_to_le32(0x00100000)
 547 #define FILE_ACCESS_SYSTEM_SECURITY_LE  cpu_to_le32(0x01000000)
 548 #define FILE_MAXIMAL_ACCESS_LE          cpu_to_le32(0x02000000)
 549 #define FILE_GENERIC_ALL_LE             cpu_to_le32(0x10000000)
 550 #define FILE_GENERIC_EXECUTE_LE         cpu_to_le32(0x20000000)
 551 #define FILE_GENERIC_WRITE_LE           cpu_to_le32(0x40000000)
 552 #define FILE_GENERIC_READ_LE            cpu_to_le32(0x80000000)
 553
 554 /* ShareAccess Flags */
 555 #define FILE_SHARE_READ_LE              cpu_to_le32(0x00000001)
 556 #define FILE_SHARE_WRITE_LE             cpu_to_le32(0x00000002)
 557 #define FILE_SHARE_DELETE_LE            cpu_to_le32(0x00000004)
 558 #define FILE_SHARE_ALL_LE               cpu_to_le32(0x00000007)
 559
 560 /* CreateDisposition Flags */
 561 #define FILE_SUPERSEDE_LE               cpu_to_le32(0x00000000)
 562 #define FILE_OPEN_LE                    cpu_to_le32(0x00000001)
 563 #define FILE_CREATE_LE                  cpu_to_le32(0x00000002)
 564 #define FILE_OPEN_IF_LE                 cpu_to_le32(0x00000003)
 565 #define FILE_OVERWRITE_LE               cpu_to_le32(0x00000004)
 566 #define FILE_OVERWRITE_IF_LE            cpu_to_le32(0x00000005)
 567
 568 /* CreateOptions Flags */
 569 #define FILE_DIRECTORY_FILE_LE          cpu_to_le32(0x00000001)
 570 /* same as #define CREATE_NOT_FILE_LE   cpu_to_le32(0x00000001) */
 571 #define FILE_WRITE_THROUGH_LE           cpu_to_le32(0x00000002)
 572 #define FILE_SEQUENTIAL_ONLY_LE         cpu_to_le32(0x00000004)
 573 #define FILE_NO_INTERMEDIATE_BUFFERRING_LE cpu_to_le32(0x00000008)
 574 #define FILE_SYNCHRONOUS_IO_ALERT_LE    cpu_to_le32(0x00000010)
 575 #define FILE_SYNCHRONOUS_IO_NON_ALERT_LE        cpu_to_le32(0x00000020)
 576 #define FILE_NON_DIRECTORY_FILE_LE      cpu_to_le32(0x00000040)
 577 #define FILE_COMPLETE_IF_OPLOCKED_LE    cpu_to_le32(0x00000100)
 578 #define FILE_NO_EA_KNOWLEDGE_LE         cpu_to_le32(0x00000200)
 579 #define FILE_RANDOM_ACCESS_LE           cpu_to_le32(0x00000800)
 580 #define FILE_DELETE_ON_CLOSE_LE         cpu_to_le32(0x00001000)
 581 #define FILE_OPEN_BY_FILE_ID_LE         cpu_to_le32(0x00002000)
 582 #define FILE_OPEN_FOR_BACKUP_INTENT_LE  cpu_to_le32(0x00004000)
 583 #define FILE_NO_COMPRESSION_LE          cpu_to_le32(0x00008000)
 584 #define FILE_RESERVE_OPFILTER_LE        cpu_to_le32(0x00100000)
 585 #define FILE_OPEN_REPARSE_POINT_LE      cpu_to_le32(0x00200000)
 586 #define FILE_OPEN_NO_RECALL_LE          cpu_to_le32(0x00400000)
 587 #define FILE_OPEN_FOR_FREE_SPACE_QUERY_LE cpu_to_le32(0x00800000)
 588
 589 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \
 590                         | FILE_READ_ATTRIBUTES_LE)
 591 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \
 592                         | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE)
 593 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE)
 594
 595 /* Impersonation Levels */
 596 #define IL_ANONYMOUS            cpu_to_le32(0x00000000)
 597 #define IL_IDENTIFICATION       cpu_to_le32(0x00000001)
 598 #define IL_IMPERSONATION        cpu_to_le32(0x00000002)
 599 #define IL_DELEGATE             cpu_to_le32(0x00000003)
 600
 601 /* Create Context Values */
 602 #define SMB2_CREATE_EA_BUFFER                   "ExtA" /* extended attributes */
 603 #define SMB2_CREATE_SD_BUFFER                   "SecD" /* security descriptor */
 604 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST      "DHnQ"
 605 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT    "DHnC"
 606 #define SMB2_CREATE_ALLOCATION_SIZE             "AISi"
 607 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc"
 608 #define SMB2_CREATE_TIMEWARP_REQUEST            "TWrp"
 609 #define SMB2_CREATE_QUERY_ON_DISK_ID            "QFid"
 610 #define SMB2_CREATE_REQUEST_LEASE               "RqLs"
 611 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2   "DH2Q"
 612 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C"
 613 #define SMB2_CREATE_APP_INSTANCE_ID     0x45BCA66AEFA7F74A9008FA462E144D74
 614 #define SVHDX_OPEN_DEVICE_CONTEX        0x9CCBCF9E04C1E643980E158DA1F6EC83
 615 #define SMB2_CREATE_TAG_POSIX           0x93AD25509CB411E7B42383DE968BCD7C
 616
 617 /* Flag (SMB3 open response) values */
 618 #define SMB2_CREATE_FLAG_REPARSEPOINT 0x01
 619
 620 /*
 621  * Maximum number of iovs we need for an open/create request.
 622  * [0] : struct smb2_create_req
 623  * [1] : path
 624  * [2] : lease context
 625  * [3] : durable context
 626  * [4] : posix context
 627  * [5] : time warp context
 628  * [6] : compound padding
 629  */
 630 #define SMB2_CREATE_IOV_SIZE 7
 631
 632 struct smb2_create_req {
 633         struct smb2_sync_hdr sync_hdr;
 634         __le16 StructureSize;   /* Must be 57 */
 635         __u8   SecurityFlags;
 636         __u8   RequestedOplockLevel;
 637         __le32 ImpersonationLevel;
 638         __le64 SmbCreateFlags;
 639         __le64 Reserved;
 640         __le32 DesiredAccess;
 641         __le32 FileAttributes;
 642         __le32 ShareAccess;
 643         __le32 CreateDisposition;
 644         __le32 CreateOptions;
 645         __le16 NameOffset;
 646         __le16 NameLength;
 647         __le32 CreateContextsOffset;
 648         __le32 CreateContextsLength;
 649         __u8   Buffer[0];
 650 } __packed;
 651
 652 /*
 653  * Maximum size of a SMB2_CREATE response is 64 (smb2 header) +
 654  * 88 (fixed part of create response) + 520 (path) + 150 (contexts) +
 655  * 2 bytes of padding.
 656  */
 657 #define MAX_SMB2_CREATE_RESPONSE_SIZE 824
 658
 659 struct smb2_create_rsp {
 660         struct smb2_sync_hdr sync_hdr;
 661         __le16 StructureSize;   /* Must be 89 */
 662         __u8   OplockLevel;
 663         __u8   Flag;  /* 0x01 if reparse point */
 664         __le32 CreateAction;
 665         __le64 CreationTime;
 666         __le64 LastAccessTime;
 667         __le64 LastWriteTime;
 668         __le64 ChangeTime;
 669         __le64 AllocationSize;
 670         __le64 EndofFile;
 671         __le32 FileAttributes;
 672         __le32 Reserved2;
 673         __u64  PersistentFileId; /* opaque endianness */
 674         __u64  VolatileFileId; /* opaque endianness */
 675         __le32 CreateContextsOffset;
 676         __le32 CreateContextsLength;
 677         __u8   Buffer[1];
 678 } __packed;
 679
 680 struct create_context {
 681         __le32 Next;
 682         __le16 NameOffset;
 683         __le16 NameLength;
 684         __le16 Reserved;
 685         __le16 DataOffset;
 686         __le32 DataLength;
 687         __u8 Buffer[0];
 688 } __packed;
 689
 690 #define SMB2_LEASE_READ_CACHING_HE      0x01
 691 #define SMB2_LEASE_HANDLE_CACHING_HE    0x02
 692 #define SMB2_LEASE_WRITE_CACHING_HE     0x04
 693
 694 #define SMB2_LEASE_NONE                 cpu_to_le32(0x00)
 695 #define SMB2_LEASE_READ_CACHING         cpu_to_le32(0x01)
 696 #define SMB2_LEASE_HANDLE_CACHING       cpu_to_le32(0x02)
 697 #define SMB2_LEASE_WRITE_CACHING        cpu_to_le32(0x04)
 698
 699 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS cpu_to_le32(0x02)
 700 #define SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET cpu_to_le32(0x00000004)
 701
 702 #define SMB2_LEASE_KEY_SIZE 16
 703
 704 struct lease_context {
 705         u8 LeaseKey[SMB2_LEASE_KEY_SIZE];
 706         __le32 LeaseState;
 707         __le32 LeaseFlags;
 708         __le64 LeaseDuration;
 709 } __packed;
 710
 711 struct lease_context_v2 {
 712         u8 LeaseKey[SMB2_LEASE_KEY_SIZE];
 713         __le32 LeaseState;
 714         __le32 LeaseFlags;
 715         __le64 LeaseDuration;
 716         __le64 ParentLeaseKeyLow;
 717         __le64 ParentLeaseKeyHigh;
 718         __le16 Epoch;
 719         __le16 Reserved;
 720 } __packed;
 721
 722 struct create_lease {
 723         struct create_context ccontext;
 724         __u8   Name[8];
 725         struct lease_context lcontext;
 726 } __packed;
 727
 728 struct create_lease_v2 {
 729         struct create_context ccontext;
 730         __u8   Name[8];
 731         struct lease_context_v2 lcontext;
 732         __u8   Pad[4];
 733 } __packed;
 734
 735 struct create_durable {
 736         struct create_context ccontext;
 737         __u8   Name[8];
 738         union {
 739                 __u8  Reserved[16];
 740                 struct {
 741                         __u64 PersistentFileId;
 742                         __u64 VolatileFileId;
 743                 } Fid;
 744         } Data;
 745 } __packed;
 746
 747 struct create_posix {
 748         struct create_context ccontext;
 749         __u8    Name[16];
 750         __le32  Mode;
 751         __u32   Reserved;
 752 } __packed;
 753
 754 /* See MS-SMB2 2.2.13.2.11 */
 755 /* Flags */
 756 #define SMB2_DHANDLE_FLAG_PERSISTENT    0x00000002
 757 struct durable_context_v2 {
 758         __le32 Timeout;
 759         __le32 Flags;
 760         __u64 Reserved;
 761         __u8 CreateGuid[16];
 762 } __packed;
 763
 764 struct create_durable_v2 {
 765         struct create_context ccontext;
 766         __u8   Name[8];
 767         struct durable_context_v2 dcontext;
 768 } __packed;
 769
 770 /* See MS-SMB2 2.2.13.2.12 */
 771 struct durable_reconnect_context_v2 {
 772         struct {
 773                 __u64 PersistentFileId;
 774                 __u64 VolatileFileId;
 775         } Fid;
 776         __u8 CreateGuid[16];
 777         __le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
 778 } __packed;
 779
 780 /* See MS-SMB2 2.2.14.2.12 */
 781 struct durable_reconnect_context_v2_rsp {
 782         __le32 Timeout;
 783         __le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
 784 } __packed;
 785
 786 struct create_durable_handle_reconnect_v2 {
 787         struct create_context ccontext;
 788         __u8   Name[8];
 789         struct durable_reconnect_context_v2 dcontext;
 790 } __packed;
 791
 792 /* See MS-SMB2 2.2.13.2.5 */
 793 struct crt_twarp_ctxt {
 794         struct create_context ccontext;
 795         __u8    Name[8];
 796         __le64  Timestamp;
 797
 798 } __packed;
 799
 800 #define COPY_CHUNK_RES_KEY_SIZE 24
 801 struct resume_key_req {
 802         char ResumeKey[COPY_CHUNK_RES_KEY_SIZE];
 803         __le32  ContextLength;  /* MBZ */
 804         char    Context[0];     /* ignored, Windows sets to 4 bytes of zero */
 805 } __packed;
 806
 807 /* this goes in the ioctl buffer when doing a copychunk request */
 808 struct copychunk_ioctl {
 809         char SourceKey[COPY_CHUNK_RES_KEY_SIZE];
 810         __le32 ChunkCount; /* we are only sending 1 */
 811         __le32 Reserved;
 812         /* array will only be one chunk long for us */
 813         __le64 SourceOffset;
 814         __le64 TargetOffset;
 815         __le32 Length; /* how many bytes to copy */
 816         __u32 Reserved2;
 817 } __packed;
 818
 819 /* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */
 820 struct file_zero_data_information {
 821         __le64  FileOffset;
 822         __le64  BeyondFinalZero;
 823 } __packed;
 824
 825 struct copychunk_ioctl_rsp {
 826         __le32 ChunksWritten;
 827         __le32 ChunkBytesWritten;
 828         __le32 TotalBytesWritten;
 829 } __packed;
 830
 831 struct fsctl_set_integrity_information_req {
 832         __le16  ChecksumAlgorithm;
 833         __le16  Reserved;
 834         __le32  Flags;
 835 } __packed;
 836
 837 struct fsctl_get_integrity_information_rsp {
 838         __le16  ChecksumAlgorithm;
 839         __le16  Reserved;
 840         __le32  Flags;
 841         __le32  ChecksumChunkSizeInBytes;
 842         __le32  ClusterSizeInBytes;
 843 } __packed;
 844
 845 /* Integrity ChecksumAlgorithm choices for above */
 846 #define CHECKSUM_TYPE_NONE      0x0000
 847 #define CHECKSUM_TYPE_CRC64     0x0002
 848 #define CHECKSUM_TYPE_UNCHANGED 0xFFFF  /* set only */
 849
 850 /* Integrity flags for above */
 851 #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF   0x00000001
 852
 853 /* Reparse structures - see MS-FSCC 2.1.2 */
 854
 855 /* struct fsctl_reparse_info_req is empty, only response structs (see below) */
 856
 857 struct reparse_data_buffer {
 858         __le32  ReparseTag;
 859         __le16  ReparseDataLength;
 860         __u16   Reserved;
 861         __u8    DataBuffer[0]; /* Variable Length */
 862 } __packed;
 863
 864 struct reparse_guid_data_buffer {
 865         __le32  ReparseTag;
 866         __le16  ReparseDataLength;
 867         __u16   Reserved;
 868         __u8    ReparseGuid[16];
 869         __u8    DataBuffer[0]; /* Variable Length */
 870 } __packed;
 871
 872 struct reparse_mount_point_data_buffer {
 873         __le32  ReparseTag;
 874         __le16  ReparseDataLength;
 875         __u16   Reserved;
 876         __le16  SubstituteNameOffset;
 877         __le16  SubstituteNameLength;
 878         __le16  PrintNameOffset;
 879         __le16  PrintNameLength;
 880         __u8    PathBuffer[0]; /* Variable Length */
 881 } __packed;
 882
 883 /* See MS-FSCC 2.1.2.4 and cifspdu.h for struct reparse_symlink_data */
 884
 885 /* See MS-FSCC 2.1.2.6 and cifspdu.h for struct reparse_posix_data */
 886
 887
 888 /* See MS-DFSC 2.2.2 */
 889 struct fsctl_get_dfs_referral_req {
 890         __le16 MaxReferralLevel;
 891         __u8 RequestFileName[];
 892 } __packed;
 893
 894 /* DFS response is struct get_dfs_refer_rsp */
 895
 896 /* See MS-SMB2 2.2.31.3 */
 897 struct network_resiliency_req {
 898         __le32 Timeout;
 899         __le32 Reserved;
 900 } __packed;
 901 /* There is no buffer for the response ie no struct network_resiliency_rsp */
 902
 903
 904 struct validate_negotiate_info_req {
 905         __le32 Capabilities;
 906         __u8   Guid[SMB2_CLIENT_GUID_SIZE];
 907         __le16 SecurityMode;
 908         __le16 DialectCount;
 909         __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */
 910 } __packed;
 911
 912 struct validate_negotiate_info_rsp {
 913         __le32 Capabilities;
 914         __u8   Guid[SMB2_CLIENT_GUID_SIZE];
 915         __le16 SecurityMode;
 916         __le16 Dialect; /* Dialect in use for the connection */
 917 } __packed;
 918
 919 #define RSS_CAPABLE     cpu_to_le32(0x00000001)
 920 #define RDMA_CAPABLE    cpu_to_le32(0x00000002)
 921
 922 #define INTERNETWORK    cpu_to_le16(0x0002)
 923 #define INTERNETWORKV6  cpu_to_le16(0x0017)
 924
 925 struct network_interface_info_ioctl_rsp {
 926         __le32 Next; /* next interface. zero if this is last one */
 927         __le32 IfIndex;
 928         __le32 Capability; /* RSS or RDMA Capable */
 929         __le32 Reserved;
 930         __le64 LinkSpeed;
 931         __le16 Family;
 932         __u8 Buffer[126];
 933 } __packed;
 934
 935 struct iface_info_ipv4 {
 936         __be16 Port;
 937         __be32 IPv4Address;
 938         __be64 Reserved;
 939 } __packed;
 940
 941 struct iface_info_ipv6 {
 942         __be16 Port;
 943         __be32 FlowInfo;
 944         __u8   IPv6Address[16];
 945         __be32 ScopeId;
 946 } __packed;
 947
 948 #define NO_FILE_ID 0xFFFFFFFFFFFFFFFFULL /* general ioctls to srv not to file */
 949
 950 struct compress_ioctl {
 951         __le16 CompressionState; /* See cifspdu.h for possible flag values */
 952 } __packed;
 953
 954 struct duplicate_extents_to_file {
 955         __u64 PersistentFileHandle; /* source file handle, opaque endianness */
 956         __u64 VolatileFileHandle;
 957         __le64 SourceFileOffset;
 958         __le64 TargetFileOffset;
 959         __le64 ByteCount;  /* Bytes to be copied */
 960 } __packed;
 961
 962 struct smb2_ioctl_req {
 963         struct smb2_sync_hdr sync_hdr;
 964         __le16 StructureSize;   /* Must be 57 */
 965         __u16 Reserved;
 966         __le32 CtlCode;
 967         __u64  PersistentFileId; /* opaque endianness */
 968         __u64  VolatileFileId; /* opaque endianness */
 969         __le32 InputOffset;
 970         __le32 InputCount;
 971         __le32 MaxInputResponse;
 972         __le32 OutputOffset;
 973         __le32 OutputCount;
 974         __le32 MaxOutputResponse;
 975         __le32 Flags;
 976         __u32  Reserved2;
 977         __u8   Buffer[0];
 978 } __packed;
 979
 980 struct smb2_ioctl_rsp {
 981         struct smb2_sync_hdr sync_hdr;
 982         __le16 StructureSize;   /* Must be 57 */
 983         __u16 Reserved;
 984         __le32 CtlCode;
 985         __u64  PersistentFileId; /* opaque endianness */
 986         __u64  VolatileFileId; /* opaque endianness */
 987         __le32 InputOffset;
 988         __le32 InputCount;
 989         __le32 OutputOffset;
 990         __le32 OutputCount;
 991         __le32 Flags;
 992         __u32  Reserved2;
 993         /* char * buffer[] */
 994 } __packed;
 995
 996 /* Currently defined values for close flags */
 997 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB        cpu_to_le16(0x0001)
 998 struct smb2_close_req {
 999         struct smb2_sync_hdr sync_hdr;
1000         __le16 StructureSize;   /* Must be 24 */
1001         __le16 Flags;
1002         __le32 Reserved;
1003         __u64  PersistentFileId; /* opaque endianness */
1004         __u64  VolatileFileId; /* opaque endianness */
1005 } __packed;
1006
1007 /*
1008  * Maximum size of a SMB2_CLOSE response is 64 (smb2 header) + 60 (data)
1009  */
1010 #define MAX_SMB2_CLOSE_RESPONSE_SIZE 124
1011
1012 struct smb2_close_rsp {
1013         struct smb2_sync_hdr sync_hdr;
1014         __le16 StructureSize; /* 60 */
1015         __le16 Flags;
1016         __le32 Reserved;
1017         __le64 CreationTime;
1018         __le64 LastAccessTime;
1019         __le64 LastWriteTime;
1020         __le64 ChangeTime;
1021         __le64 AllocationSize;  /* Beginning of FILE_STANDARD_INFO equivalent */
1022         __le64 EndOfFile;
1023         __le32 Attributes;
1024 } __packed;
1025
1026 struct smb2_flush_req {
1027         struct smb2_sync_hdr sync_hdr;
1028         __le16 StructureSize;   /* Must be 24 */
1029         __le16 Reserved1;
1030         __le32 Reserved2;
1031         __u64  PersistentFileId; /* opaque endianness */
1032         __u64  VolatileFileId; /* opaque endianness */
1033 } __packed;
1034
1035 struct smb2_flush_rsp {
1036         struct smb2_sync_hdr sync_hdr;
1037         __le16 StructureSize;
1038         __le16 Reserved;
1039 } __packed;
1040
1041 /* For read request Flags field below, following flag is defined for SMB3.02 */
1042 #define SMB2_READFLAG_READ_UNBUFFERED   0x01
1043
1044 /* Channel field for read and write: exactly one of following flags can be set*/
1045 #define SMB2_CHANNEL_NONE       cpu_to_le32(0x00000000)
1046 #define SMB2_CHANNEL_RDMA_V1    cpu_to_le32(0x00000001) /* SMB3 or later */
1047 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) /* >= SMB3.02 */
1048
1049 /* SMB2 read request without RFC1001 length at the beginning */
1050 struct smb2_read_plain_req {
1051         struct smb2_sync_hdr sync_hdr;
1052         __le16 StructureSize; /* Must be 49 */
1053         __u8   Padding; /* offset from start of SMB2 header to place read */
1054         __u8   Flags; /* MBZ unless SMB3.02 or later */
1055         __le32 Length;
1056         __le64 Offset;
1057         __u64  PersistentFileId; /* opaque endianness */
1058         __u64  VolatileFileId; /* opaque endianness */
1059         __le32 MinimumCount;
1060         __le32 Channel; /* MBZ except for SMB3 or later */
1061         __le32 RemainingBytes;
1062         __le16 ReadChannelInfoOffset;
1063         __le16 ReadChannelInfoLength;
1064         __u8   Buffer[1];
1065 } __packed;
1066
1067 struct smb2_read_rsp {
1068         struct smb2_sync_hdr sync_hdr;
1069         __le16 StructureSize; /* Must be 17 */
1070         __u8   DataOffset;
1071         __u8   Reserved;
1072         __le32 DataLength;
1073         __le32 DataRemaining;
1074         __u32  Reserved2;
1075         __u8   Buffer[1];
1076 } __packed;
1077
1078 /* For write request Flags field below the following flags are defined: */
1079 #define SMB2_WRITEFLAG_WRITE_THROUGH    0x00000001      /* SMB2.1 or later */
1080 #define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002      /* SMB3.02 or later */
1081
1082 struct smb2_write_req {
1083         struct smb2_sync_hdr sync_hdr;
1084         __le16 StructureSize; /* Must be 49 */
1085         __le16 DataOffset; /* offset from start of SMB2 header to write data */
1086         __le32 Length;
1087         __le64 Offset;
1088         __u64  PersistentFileId; /* opaque endianness */
1089         __u64  VolatileFileId; /* opaque endianness */
1090         __le32 Channel; /* Reserved MBZ */
1091         __le32 RemainingBytes;
1092         __le16 WriteChannelInfoOffset;
1093         __le16 WriteChannelInfoLength;
1094         __le32 Flags;
1095         __u8   Buffer[1];
1096 } __packed;
1097
1098 struct smb2_write_rsp {
1099         struct smb2_sync_hdr sync_hdr;
1100         __le16 StructureSize; /* Must be 17 */
1101         __u8   DataOffset;
1102         __u8   Reserved;
1103         __le32 DataLength;
1104         __le32 DataRemaining;
1105         __u32  Reserved2;
1106         __u8   Buffer[1];
1107 } __packed;
1108
1109 #define SMB2_LOCKFLAG_SHARED_LOCK       0x0001
1110 #define SMB2_LOCKFLAG_EXCLUSIVE_LOCK    0x0002
1111 #define SMB2_LOCKFLAG_UNLOCK            0x0004
1112 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY  0x0010
1113
1114 struct smb2_lock_element {
1115         __le64 Offset;
1116         __le64 Length;
1117         __le32 Flags;
1118         __le32 Reserved;
1119 } __packed;
1120
1121 struct smb2_lock_req {
1122         struct smb2_sync_hdr sync_hdr;
1123         __le16 StructureSize; /* Must be 48 */
1124         __le16 LockCount;
1125         __le32 Reserved;
1126         __u64  PersistentFileId; /* opaque endianness */
1127         __u64  VolatileFileId; /* opaque endianness */
1128         /* Followed by at least one */
1129         struct smb2_lock_element locks[1];
1130 } __packed;
1131
1132 struct smb2_lock_rsp {
1133         struct smb2_sync_hdr sync_hdr;
1134         __le16 StructureSize; /* Must be 4 */
1135         __le16 Reserved;
1136 } __packed;
1137
1138 struct smb2_echo_req {
1139         struct smb2_sync_hdr sync_hdr;
1140         __le16 StructureSize;   /* Must be 4 */
1141         __u16  Reserved;
1142 } __packed;
1143
1144 struct smb2_echo_rsp {
1145         struct smb2_sync_hdr sync_hdr;
1146         __le16 StructureSize;   /* Must be 4 */
1147         __u16  Reserved;
1148 } __packed;
1149
1150 /* search (query_directory) Flags field */
1151 #define SMB2_RESTART_SCANS              0x01
1152 #define SMB2_RETURN_SINGLE_ENTRY        0x02
1153 #define SMB2_INDEX_SPECIFIED            0x04
1154 #define SMB2_REOPEN                     0x10
1155
1156 struct smb2_query_directory_req {
1157         struct smb2_sync_hdr sync_hdr;
1158         __le16 StructureSize; /* Must be 33 */
1159         __u8   FileInformationClass;
1160         __u8   Flags;
1161         __le32 FileIndex;
1162         __u64  PersistentFileId; /* opaque endianness */
1163         __u64  VolatileFileId; /* opaque endianness */
1164         __le16 FileNameOffset;
1165         __le16 FileNameLength;
1166         __le32 OutputBufferLength;
1167         __u8   Buffer[1];
1168 } __packed;
1169
1170 struct smb2_query_directory_rsp {
1171         struct smb2_sync_hdr sync_hdr;
1172         __le16 StructureSize; /* Must be 9 */
1173         __le16 OutputBufferOffset;
1174         __le32 OutputBufferLength;
1175         __u8   Buffer[1];
1176 } __packed;
1177
1178 /* Possible InfoType values */
1179 #define SMB2_O_INFO_FILE        0x01
1180 #define SMB2_O_INFO_FILESYSTEM  0x02
1181 #define SMB2_O_INFO_SECURITY    0x03
1182 #define SMB2_O_INFO_QUOTA       0x04
1183
1184 /* Security info type additionalinfo flags. See MS-SMB2 (2.2.37) or MS-DTYP */
1185 #define OWNER_SECINFO   0x00000001
1186 #define GROUP_SECINFO   0x00000002
1187 #define DACL_SECINFO   0x00000004
1188 #define SACL_SECINFO   0x00000008
1189 #define LABEL_SECINFO   0x00000010
1190 #define ATTRIBUTE_SECINFO   0x00000020
1191 #define SCOPE_SECINFO   0x00000040
1192 #define BACKUP_SECINFO   0x00010000
1193 #define UNPROTECTED_SACL_SECINFO   0x10000000
1194 #define UNPROTECTED_DACL_SECINFO   0x20000000
1195 #define PROTECTED_SACL_SECINFO   0x40000000
1196 #define PROTECTED_DACL_SECINFO   0x80000000
1197
1198 /* Flags used for FileFullEAinfo */
1199 #define SL_RESTART_SCAN         0x00000001
1200 #define SL_RETURN_SINGLE_ENTRY  0x00000002
1201 #define SL_INDEX_SPECIFIED      0x00000004
1202
1203 struct smb2_query_info_req {
1204         struct smb2_sync_hdr sync_hdr;
1205         __le16 StructureSize; /* Must be 41 */
1206         __u8   InfoType;
1207         __u8   FileInfoClass;
1208         __le32 OutputBufferLength;
1209         __le16 InputBufferOffset;
1210         __u16  Reserved;
1211         __le32 InputBufferLength;
1212         __le32 AdditionalInformation;
1213         __le32 Flags;
1214         __u64  PersistentFileId; /* opaque endianness */
1215         __u64  VolatileFileId; /* opaque endianness */
1216         __u8   Buffer[1];
1217 } __packed;
1218
1219 struct smb2_query_info_rsp {
1220         struct smb2_sync_hdr sync_hdr;
1221         __le16 StructureSize; /* Must be 9 */
1222         __le16 OutputBufferOffset;
1223         __le32 OutputBufferLength;
1224         __u8   Buffer[1];
1225 } __packed;
1226
1227 /*
1228  * Maximum number of iovs we need for a set-info request.
1229  * The largest one is rename/hardlink
1230  * [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info
1231  * [1] : path
1232  * [2] : compound padding
1233  */
1234 #define SMB2_SET_INFO_IOV_SIZE 3
1235
1236 struct smb2_set_info_req {
1237         struct smb2_sync_hdr sync_hdr;
1238         __le16 StructureSize; /* Must be 33 */
1239         __u8   InfoType;
1240         __u8   FileInfoClass;
1241         __le32 BufferLength;
1242         __le16 BufferOffset;
1243         __u16  Reserved;
1244         __le32 AdditionalInformation;
1245         __u64  PersistentFileId; /* opaque endianness */
1246         __u64  VolatileFileId; /* opaque endianness */
1247         __u8   Buffer[1];
1248 } __packed;
1249
1250 struct smb2_set_info_rsp {
1251         struct smb2_sync_hdr sync_hdr;
1252         __le16 StructureSize; /* Must be 2 */
1253 } __packed;
1254
1255 struct smb2_oplock_break {
1256         struct smb2_sync_hdr sync_hdr;
1257         __le16 StructureSize; /* Must be 24 */
1258         __u8   OplockLevel;
1259         __u8   Reserved;
1260         __le32 Reserved2;
1261         __u64  PersistentFid;
1262         __u64  VolatileFid;
1263 } __packed;
1264
1265 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01)
1266
1267 struct smb2_lease_break {
1268         struct smb2_sync_hdr sync_hdr;
1269         __le16 StructureSize; /* Must be 44 */
1270         __le16 Reserved;
1271         __le32 Flags;
1272         __u8   LeaseKey[16];
1273         __le32 CurrentLeaseState;
1274         __le32 NewLeaseState;
1275         __le32 BreakReason;
1276         __le32 AccessMaskHint;
1277         __le32 ShareMaskHint;
1278 } __packed;
1279
1280 struct smb2_lease_ack {
1281         struct smb2_sync_hdr sync_hdr;
1282         __le16 StructureSize; /* Must be 36 */
1283         __le16 Reserved;
1284         __le32 Flags;
1285         __u8   LeaseKey[16];
1286         __le32 LeaseState;
1287         __le64 LeaseDuration;
1288 } __packed;
1289
1290 /*
1291  *      PDU infolevel structure definitions
1292  *      BB consider moving to a different header
1293  */
1294
1295 /* File System Information Classes */
1296 #define FS_VOLUME_INFORMATION           1 /* Query */
1297 #define FS_LABEL_INFORMATION            2 /* Local only */
1298 #define FS_SIZE_INFORMATION             3 /* Query */
1299 #define FS_DEVICE_INFORMATION           4 /* Query */
1300 #define FS_ATTRIBUTE_INFORMATION        5 /* Query */
1301 #define FS_CONTROL_INFORMATION          6 /* Query, Set */
1302 #define FS_FULL_SIZE_INFORMATION        7 /* Query */
1303 #define FS_OBJECT_ID_INFORMATION        8 /* Query, Set */
1304 #define FS_DRIVER_PATH_INFORMATION      9 /* Local only */
1305 #define FS_VOLUME_FLAGS_INFORMATION     10 /* Local only */
1306 #define FS_SECTOR_SIZE_INFORMATION      11 /* SMB3 or later. Query */
1307 #define FS_POSIX_INFORMATION            100 /* SMB3.1.1 POSIX. Query */
1308
1309 struct smb2_fs_full_size_info {
1310         __le64 TotalAllocationUnits;
1311         __le64 CallerAvailableAllocationUnits;
1312         __le64 ActualAvailableAllocationUnits;
1313         __le32 SectorsPerAllocationUnit;
1314         __le32 BytesPerSector;
1315 } __packed;
1316
1317 #define SSINFO_FLAGS_ALIGNED_DEVICE             0x00000001
1318 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002
1319 #define SSINFO_FLAGS_NO_SEEK_PENALTY            0x00000004
1320 #define SSINFO_FLAGS_TRIM_ENABLED               0x00000008
1321
1322 /* sector size info struct */
1323 struct smb3_fs_ss_info {
1324         __le32 LogicalBytesPerSector;
1325         __le32 PhysicalBytesPerSectorForAtomicity;
1326         __le32 PhysicalBytesPerSectorForPerf;
1327         __le32 FileSystemEffectivePhysicalBytesPerSectorForAtomicity;
1328         __le32 Flags;
1329         __le32 ByteOffsetForSectorAlignment;
1330         __le32 ByteOffsetForPartitionAlignment;
1331 } __packed;
1332
1333 /* volume info struct - see MS-FSCC 2.5.9 */
1334 #define MAX_VOL_LABEL_LEN       32
1335 struct smb3_fs_vol_info {
1336         __le64  VolumeCreationTime;
1337         __u32   VolumeSerialNumber;
1338         __le32  VolumeLabelLength; /* includes trailing null */
1339         __u8    SupportsObjects; /* True if eg like NTFS, supports objects */
1340         __u8    Reserved;
1341         __u8    VolumeLabel[0]; /* variable len */
1342 } __packed;
1343
1344 /* partial list of QUERY INFO levels */
1345 #define FILE_DIRECTORY_INFORMATION      1
1346 #define FILE_FULL_DIRECTORY_INFORMATION 2
1347 #define FILE_BOTH_DIRECTORY_INFORMATION 3
1348 #define FILE_BASIC_INFORMATION          4
1349 #define FILE_STANDARD_INFORMATION       5
1350 #define FILE_INTERNAL_INFORMATION       6
1351 #define FILE_EA_INFORMATION             7
1352 #define FILE_ACCESS_INFORMATION         8
1353 #define FILE_NAME_INFORMATION           9
1354 #define FILE_RENAME_INFORMATION         10
1355 #define FILE_LINK_INFORMATION           11
1356 #define FILE_NAMES_INFORMATION          12
1357 #define FILE_DISPOSITION_INFORMATION    13
1358 #define FILE_POSITION_INFORMATION       14
1359 #define FILE_FULL_EA_INFORMATION        15
1360 #define FILE_MODE_INFORMATION           16
1361 #define FILE_ALIGNMENT_INFORMATION      17
1362 #define FILE_ALL_INFORMATION            18
1363 #define FILE_ALLOCATION_INFORMATION     19
1364 #define FILE_END_OF_FILE_INFORMATION    20
1365 #define FILE_ALTERNATE_NAME_INFORMATION 21
1366 #define FILE_STREAM_INFORMATION         22
1367 #define FILE_PIPE_INFORMATION           23
1368 #define FILE_PIPE_LOCAL_INFORMATION     24
1369 #define FILE_PIPE_REMOTE_INFORMATION    25
1370 #define FILE_MAILSLOT_QUERY_INFORMATION 26
1371 #define FILE_MAILSLOT_SET_INFORMATION   27
1372 #define FILE_COMPRESSION_INFORMATION    28
1373 #define FILE_OBJECT_ID_INFORMATION      29
1374 /* Number 30 not defined in documents */
1375 #define FILE_MOVE_CLUSTER_INFORMATION   31
1376 #define FILE_QUOTA_INFORMATION          32
1377 #define FILE_REPARSE_POINT_INFORMATION  33
1378 #define FILE_NETWORK_OPEN_INFORMATION   34
1379 #define FILE_ATTRIBUTE_TAG_INFORMATION  35
1380 #define FILE_TRACKING_INFORMATION       36
1381 #define FILEID_BOTH_DIRECTORY_INFORMATION 37
1382 #define FILEID_FULL_DIRECTORY_INFORMATION 38
1383 #define FILE_VALID_DATA_LENGTH_INFORMATION 39
1384 #define FILE_SHORT_NAME_INFORMATION     40
1385 #define FILE_SFIO_RESERVE_INFORMATION   44
1386 #define FILE_SFIO_VOLUME_INFORMATION    45
1387 #define FILE_HARD_LINK_INFORMATION      46
1388 #define FILE_NORMALIZED_NAME_INFORMATION 48
1389 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50
1390 #define FILE_STANDARD_LINK_INFORMATION  54
1391
1392 struct smb2_file_internal_info {
1393         __le64 IndexNumber;
1394 } __packed; /* level 6 Query */
1395
1396 struct smb2_file_rename_info { /* encoding of request for level 10 */
1397         __u8   ReplaceIfExists; /* 1 = replace existing target with new */
1398                                 /* 0 = fail if target already exists */
1399         __u8   Reserved[7];
1400         __u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
1401         __le32 FileNameLength;
1402         char   FileName[0];     /* New name to be assigned */
1403 } __packed; /* level 10 Set */
1404
1405 struct smb2_file_link_info { /* encoding of request for level 11 */
1406         __u8   ReplaceIfExists; /* 1 = replace existing link with new */
1407                                 /* 0 = fail if link already exists */
1408         __u8   Reserved[7];
1409         __u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
1410         __le32 FileNameLength;
1411         char   FileName[0];     /* Name to be assigned to new link */
1412 } __packed; /* level 11 Set */
1413
1414 struct smb2_file_full_ea_info { /* encoding of response for level 15 */
1415         __le32 next_entry_offset;
1416         __u8   flags;
1417         __u8   ea_name_length;
1418         __le16 ea_value_length;
1419         char   ea_data[0]; /* \0 terminated name plus value */
1420 } __packed; /* level 15 Set */
1421
1422 /*
1423  * This level 18, although with struct with same name is different from cifs
1424  * level 0x107. Level 0x107 has an extra u64 between AccessFlags and
1425  * CurrentByteOffset.
1426  */
1427 struct smb2_file_all_info { /* data block encoding of response to level 18 */
1428         __le64 CreationTime;    /* Beginning of FILE_BASIC_INFO equivalent */
1429         __le64 LastAccessTime;
1430         __le64 LastWriteTime;
1431         __le64 ChangeTime;
1432         __le32 Attributes;
1433         __u32  Pad1;            /* End of FILE_BASIC_INFO_INFO equivalent */
1434         __le64 AllocationSize;  /* Beginning of FILE_STANDARD_INFO equivalent */
1435         __le64 EndOfFile;       /* size ie offset to first free byte in file */
1436         __le32 NumberOfLinks;   /* hard links */
1437         __u8   DeletePending;
1438         __u8   Directory;
1439         __u16  Pad2;            /* End of FILE_STANDARD_INFO equivalent */
1440         __le64 IndexNumber;
1441         __le32 EASize;
1442         __le32 AccessFlags;
1443         __le64 CurrentByteOffset;
1444         __le32 Mode;
1445         __le32 AlignmentRequirement;
1446         __le32 FileNameLength;
1447         char   FileName[1];
1448 } __packed; /* level 18 Query */
1449
1450 struct smb2_file_eof_info { /* encoding of request for level 10 */
1451         __le64 EndOfFile; /* new end of file value */
1452 } __packed; /* level 20 Set */
1453
1454 extern char smb2_padding[7];
1455
1456 #endif                          /* _SMB2PDU_H */