fs/cifs/cifspdu.h

   1 /*
   2  *   fs/cifs/cifspdu.h
   3  *
   4  *   Copyright (c) International Business Machines  Corp., 2002,2005
   5  *   Author(s): Steve French (sfrench@us.ibm.com)
   6  *
   7  *   This library is free software; you can redistribute it and/or modify
   8  *   it under the terms of the GNU Lesser General Public License as published
   9  *   by the Free Software Foundation; either version 2.1 of the License, or
  10  *   (at your option) any later version.
  11  *
  12  *   This library is distributed in the hope that it will be useful,
  13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
  15  *   the GNU Lesser General Public License for more details.
  16  *
  17  *   You should have received a copy of the GNU Lesser General Public License
  18  *   along with this library; if not, write to the Free Software
  19  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  20  */
  21
  22 #ifndef _CIFSPDU_H
  23 #define _CIFSPDU_H
  24
  25 #include <net/sock.h>
  26
  27 #ifdef CONFIG_CIFS_WEAK_PW_HASH
  28 #define LANMAN_PROT 0
  29 #define LANMAN2_PROT 1
  30 #define CIFS_PROT   2
  31 #else
  32 #define CIFS_PROT   0
  33 #endif
  34 #define POSIX_PROT  CIFS_PROT+1
  35 #define BAD_PROT 0xFFFF
  36
  37 /* SMB command codes */
  38 /* Some commands have minimal (wct=0,bcc=0), or uninteresting, responses
  39  (ie which include no useful data other than the SMB error code itself).
  40  Knowing this helps avoid response buffer allocations and copy in some cases */
  41 #define SMB_COM_CREATE_DIRECTORY      0x00 /* trivial response */
  42 #define SMB_COM_DELETE_DIRECTORY      0x01 /* trivial response */
  43 #define SMB_COM_CLOSE                 0x04 /* triv req/rsp, timestamp ignored */
  44 #define SMB_COM_DELETE                0x06 /* trivial response */
  45 #define SMB_COM_RENAME                0x07 /* trivial response */
  46 #define SMB_COM_QUERY_INFORMATION     0x08 /* aka getattr */
  47 #define SMB_COM_SETATTR               0x09 /* trivial response */
  48 #define SMB_COM_LOCKING_ANDX          0x24 /* trivial response */
  49 #define SMB_COM_COPY                  0x29 /* trivial rsp, fail filename ignrd*/
  50 #define SMB_COM_OPEN_ANDX             0x2D /* Legacy open for old servers */
  51 #define SMB_COM_READ_ANDX             0x2E
  52 #define SMB_COM_WRITE_ANDX            0x2F
  53 #define SMB_COM_TRANSACTION2          0x32
  54 #define SMB_COM_TRANSACTION2_SECONDARY 0x33
  55 #define SMB_COM_FIND_CLOSE2           0x34 /* trivial response */
  56 #define SMB_COM_TREE_DISCONNECT       0x71 /* trivial response */
  57 #define SMB_COM_NEGOTIATE             0x72
  58 #define SMB_COM_SESSION_SETUP_ANDX    0x73
  59 #define SMB_COM_LOGOFF_ANDX           0x74 /* trivial response */
  60 #define SMB_COM_TREE_CONNECT_ANDX     0x75
  61 #define SMB_COM_NT_TRANSACT           0xA0
  62 #define SMB_COM_NT_TRANSACT_SECONDARY 0xA1
  63 #define SMB_COM_NT_CREATE_ANDX        0xA2
  64 #define SMB_COM_NT_CANCEL             0xA4 /* no response */
  65 #define SMB_COM_NT_RENAME             0xA5 /* trivial response */
  66
  67 /* Transact2 subcommand codes */
  68 #define TRANS2_OPEN                   0x00
  69 #define TRANS2_FIND_FIRST             0x01
  70 #define TRANS2_FIND_NEXT              0x02
  71 #define TRANS2_QUERY_FS_INFORMATION   0x03
  72 #define TRANS2_SET_FS_INFORMATION     0x04
  73 #define TRANS2_QUERY_PATH_INFORMATION 0x05
  74 #define TRANS2_SET_PATH_INFORMATION   0x06
  75 #define TRANS2_QUERY_FILE_INFORMATION 0x07
  76 #define TRANS2_SET_FILE_INFORMATION   0x08
  77 #define TRANS2_GET_DFS_REFERRAL       0x10
  78 #define TRANS2_REPORT_DFS_INCOSISTENCY 0x11
  79
  80 /* NT Transact subcommand codes */
  81 #define NT_TRANSACT_CREATE            0x01
  82 #define NT_TRANSACT_IOCTL             0x02
  83 #define NT_TRANSACT_SET_SECURITY_DESC 0x03
  84 #define NT_TRANSACT_NOTIFY_CHANGE     0x04
  85 #define NT_TRANSACT_RENAME            0x05
  86 #define NT_TRANSACT_QUERY_SECURITY_DESC 0x06
  87 #define NT_TRANSACT_GET_USER_QUOTA    0x07
  88 #define NT_TRANSACT_SET_USER_QUOTA    0x08
  89
  90 #define MAX_CIFS_SMALL_BUFFER_SIZE 448 /* big enough for most */
  91 /* future chained NTCreateXReadX bigger, but for time being NTCreateX biggest */
  92 /* among the requests (NTCreateX response is bigger with wct of 34) */
  93 #define MAX_CIFS_HDR_SIZE 0x58 /* 4 len + 32 hdr + (2*24 wct) + 2 bct + 2 pad */
  94 #define CIFS_SMALL_PATH 120 /* allows for (448-88)/3 */
  95
  96 /* internal cifs vfs structures */
  97 /*****************************************************************
  98  * All constants go here
  99  *****************************************************************
 100  */
 101
 102 /*
 103  * Starting value for maximum SMB size negotiation
 104  */
 105 #define CIFS_MAX_MSGSIZE (4*4096)
 106
 107 /*
 108  * Size of encrypted user password in bytes
 109  */
 110 #define CIFS_ENCPWD_SIZE (16)
 111
 112 /*
 113  * Size of the crypto key returned on the negotiate SMB in bytes
 114  */
 115 #define CIFS_CRYPTO_KEY_SIZE (8)
 116
 117 /*
 118  * Size of the session key (crypto key encrypted with the password
 119  */
 120 #define CIFS_SESS_KEY_SIZE (24)
 121
 122 /*
 123  * Maximum user name length
 124  */
 125 #define CIFS_UNLEN (20)
 126
 127 /*
 128  * Flags on SMB open
 129  */
 130 #define SMBOPEN_WRITE_THROUGH 0x4000
 131 #define SMBOPEN_DENY_ALL      0x0010
 132 #define SMBOPEN_DENY_WRITE    0x0020
 133 #define SMBOPEN_DENY_READ     0x0030
 134 #define SMBOPEN_DENY_NONE     0x0040
 135 #define SMBOPEN_READ          0x0000
 136 #define SMBOPEN_WRITE         0x0001
 137 #define SMBOPEN_READWRITE     0x0002
 138 #define SMBOPEN_EXECUTE       0x0003
 139
 140 #define SMBOPEN_OCREATE       0x0010
 141 #define SMBOPEN_OTRUNC        0x0002
 142 #define SMBOPEN_OAPPEND       0x0001
 143
 144 /*
 145  * SMB flag definitions
 146  */
 147 #define SMBFLG_EXTD_LOCK 0x01   /* server supports lock-read write-unlock smb */
 148 #define SMBFLG_RCV_POSTED 0x02  /* obsolete */
 149 #define SMBFLG_RSVD 0x04
 150 #define SMBFLG_CASELESS 0x08    /* all pathnames treated as caseless (off
 151                                 implies case sensitive file handling request) */
 152 #define SMBFLG_CANONICAL_PATH_FORMAT 0x10       /* obsolete */
 153 #define SMBFLG_OLD_OPLOCK 0x20  /* obsolete */
 154 #define SMBFLG_OLD_OPLOCK_NOTIFY 0x40   /* obsolete */
 155 #define SMBFLG_RESPONSE 0x80    /* this PDU is a response from server */
 156
 157 /*
 158  * SMB flag2 definitions
 159  */
 160 #define SMBFLG2_KNOWS_LONG_NAMES cpu_to_le16(1) /* can send long (non-8.3)
 161                                                    path names in response */
 162 #define SMBFLG2_KNOWS_EAS cpu_to_le16(2)
 163 #define SMBFLG2_SECURITY_SIGNATURE cpu_to_le16(4)
 164 #define SMBFLG2_IS_LONG_NAME cpu_to_le16(0x40)
 165 #define SMBFLG2_EXT_SEC cpu_to_le16(0x800)
 166 #define SMBFLG2_DFS cpu_to_le16(0x1000)
 167 #define SMBFLG2_PAGING_IO cpu_to_le16(0x2000)
 168 #define SMBFLG2_ERR_STATUS cpu_to_le16(0x4000)
 169 #define SMBFLG2_UNICODE cpu_to_le16(0x8000)
 170
 171 /*
 172  * These are the file access permission bits defined in CIFS for the
 173  * NTCreateAndX as well as the level 0x107
 174  * TRANS2_QUERY_PATH_INFORMATION API.  The level 0x107, SMB_QUERY_FILE_ALL_INFO
 175  * responds with the AccessFlags.
 176  * The AccessFlags specifies the access permissions a caller has to the
 177  * file and can have any suitable combination of the following values:
 178  */
 179
 180 #define FILE_READ_DATA        0x00000001  /* Data can be read from the file   */
 181 #define FILE_WRITE_DATA       0x00000002  /* Data can be written to the file  */
 182 #define FILE_APPEND_DATA      0x00000004  /* Data can be appended to the file */
 183 #define FILE_READ_EA          0x00000008  /* Extended attributes associated   */
 184                                           /* with the file can be read        */
 185 #define FILE_WRITE_EA         0x00000010  /* Extended attributes associated   */
 186                                           /* with the file can be written     */
 187 #define FILE_EXECUTE          0x00000020  /*Data can be read into memory from */
 188                                           /* the file using system paging I/O */
 189 #define FILE_DELETE_CHILD     0x00000040
 190 #define FILE_READ_ATTRIBUTES  0x00000080  /* Attributes associated with the   */
 191                                           /* file can be read                 */
 192 #define FILE_WRITE_ATTRIBUTES 0x00000100  /* Attributes associated with the   */
 193                                           /* file can be written              */
 194 #define DELETE                0x00010000  /* The file can be deleted          */
 195 #define READ_CONTROL          0x00020000  /* The access control list and      */
 196                                           /* ownership associated with the    */
 197                                           /* file can be read                 */
 198 #define WRITE_DAC             0x00040000  /* The access control list and      */
 199                                           /* ownership associated with the    */
 200                                           /* file can be written.             */
 201 #define WRITE_OWNER           0x00080000  /* Ownership information associated */
 202                                           /* with the file can be written     */
 203 #define SYNCHRONIZE           0x00100000  /* The file handle can waited on to */
 204                                           /* synchronize with the completion  */
 205                                           /* of an input/output request       */
 206 #define GENERIC_ALL           0x10000000
 207 #define GENERIC_EXECUTE       0x20000000
 208 #define GENERIC_WRITE         0x40000000
 209 #define GENERIC_READ          0x80000000
 210                                          /* In summary - Relevant file       */
 211                                          /* access flags from CIFS are       */
 212                                          /* file_read_data, file_write_data  */
 213                                          /* file_execute, file_read_attributes*/
 214                                          /* write_dac, and delete.           */
 215
 216 /*
 217  * Invalid readdir handle
 218  */
 219 #define CIFS_NO_HANDLE        0xFFFF
 220
 221 /* IPC$ in ASCII */
 222 #define CIFS_IPC_RESOURCE "\x49\x50\x43\x24"
 223
 224 /* IPC$ in Unicode */
 225 #define CIFS_IPC_UNICODE_RESOURCE "\x00\x49\x00\x50\x00\x43\x00\x24\x00\x00"
 226
 227 /* Unicode Null terminate 2 bytes of 0 */
 228 #define UNICODE_NULL "\x00\x00"
 229 #define ASCII_NULL 0x00
 230
 231 /*
 232  * Server type values (returned on EnumServer API
 233  */
 234 #define CIFS_SV_TYPE_DC     0x00000008
 235 #define CIFS_SV_TYPE_BACKDC 0x00000010
 236
 237 /*
 238  * Alias type flags (From EnumAlias API call
 239  */
 240 #define CIFS_ALIAS_TYPE_FILE 0x0001
 241 #define CIFS_SHARE_TYPE_FILE 0x0000
 242
 243 /*
 244  * File Attribute flags
 245  */
 246 #define ATTR_READONLY  0x0001
 247 #define ATTR_HIDDEN    0x0002
 248 #define ATTR_SYSTEM    0x0004
 249 #define ATTR_VOLUME    0x0008
 250 #define ATTR_DIRECTORY 0x0010
 251 #define ATTR_ARCHIVE   0x0020
 252 #define ATTR_DEVICE    0x0040
 253 #define ATTR_NORMAL    0x0080
 254 #define ATTR_TEMPORARY 0x0100
 255 #define ATTR_SPARSE    0x0200
 256 #define ATTR_REPARSE   0x0400
 257 #define ATTR_COMPRESSED 0x0800
 258 #define ATTR_OFFLINE    0x1000  /* ie file not immediately available -
 259                                         on offline storage */
 260 #define ATTR_NOT_CONTENT_INDEXED 0x2000
 261 #define ATTR_ENCRYPTED  0x4000
 262 #define ATTR_POSIX_SEMANTICS 0x01000000
 263 #define ATTR_BACKUP_SEMANTICS 0x02000000
 264 #define ATTR_DELETE_ON_CLOSE 0x04000000
 265 #define ATTR_SEQUENTIAL_SCAN 0x08000000
 266 #define ATTR_RANDOM_ACCESS   0x10000000
 267 #define ATTR_NO_BUFFERING    0x20000000
 268 #define ATTR_WRITE_THROUGH   0x80000000
 269
 270 /* ShareAccess flags */
 271 #define FILE_NO_SHARE     0x00000000
 272 #define FILE_SHARE_READ   0x00000001
 273 #define FILE_SHARE_WRITE  0x00000002
 274 #define FILE_SHARE_DELETE 0x00000004
 275 #define FILE_SHARE_ALL    0x00000007
 276
 277 /* CreateDisposition flags */
 278 #define FILE_SUPERSEDE    0x00000000
 279 #define FILE_OPEN         0x00000001
 280 #define FILE_CREATE       0x00000002
 281 #define FILE_OPEN_IF      0x00000003
 282 #define FILE_OVERWRITE    0x00000004
 283 #define FILE_OVERWRITE_IF 0x00000005
 284
 285 /* CreateOptions */
 286 #define CREATE_NOT_FILE         0x00000001      /* if set must not be file */
 287 #define CREATE_WRITE_THROUGH    0x00000002
 288 #define CREATE_SEQUENTIAL       0x00000004
 289 #define CREATE_SYNC_ALERT       0x00000010
 290 #define CREATE_ASYNC_ALERT      0x00000020
 291 #define CREATE_NOT_DIR          0x00000040    /* if set must not be directory */
 292 #define CREATE_NO_EA_KNOWLEDGE  0x00000200
 293 #define CREATE_EIGHT_DOT_THREE  0x00000400
 294 #define CREATE_RANDOM_ACCESS    0x00000800
 295 #define CREATE_DELETE_ON_CLOSE  0x00001000
 296 #define CREATE_OPEN_BY_ID       0x00002000
 297 #define OPEN_REPARSE_POINT      0x00200000
 298 #define CREATE_OPTIONS_MASK     0x007FFFFF
 299 #define CREATE_OPTION_SPECIAL   0x20000000   /* system. NB not sent over wire */
 300
 301 /* ImpersonationLevel flags */
 302 #define SECURITY_ANONYMOUS      0
 303 #define SECURITY_IDENTIFICATION 1
 304 #define SECURITY_IMPERSONATION  2
 305 #define SECURITY_DELEGATION     3
 306
 307 /* SecurityFlags */
 308 #define SECURITY_CONTEXT_TRACKING 0x01
 309 #define SECURITY_EFFECTIVE_ONLY   0x02
 310
 311 /*
 312  * Default PID value, used in all SMBs where the PID is not important
 313  */
 314 #define CIFS_DFT_PID  0x1234
 315
 316 /*
 317  * We use the same routine for Copy and Move SMBs.  This flag is used to
 318  * distinguish
 319  */
 320 #define CIFS_COPY_OP 1
 321 #define CIFS_RENAME_OP 2
 322
 323 #define GETU16(var)  (*((__u16 *)var))  /* BB check for endian issues */
 324 #define GETU32(var)  (*((__u32 *)var))  /* BB check for endian issues */
 325
 326 struct smb_hdr {
 327         __u32 smb_buf_length;   /* big endian on wire *//* BB length is only two
 328                 or three bytes - with one or two byte type preceding it that are
 329                 zero - we could mask the type byte off just in case BB */
 330         __u8 Protocol[4];
 331         __u8 Command;
 332         union {
 333                 struct {
 334                         __u8 ErrorClass;
 335                         __u8 Reserved;
 336                         __le16 Error;
 337                 } __attribute__((packed)) DosError;
 338                 __le32 CifsError;
 339         } __attribute__((packed)) Status;
 340         __u8 Flags;
 341         __le16 Flags2;          /* note: le */
 342         __le16 PidHigh;
 343         union {
 344                 struct {
 345                         __le32 SequenceNumber;  /* le */
 346                         __u32 Reserved; /* zero */
 347                 } __attribute__((packed)) Sequence;
 348                 __u8 SecuritySignature[8];      /* le */
 349         } __attribute__((packed)) Signature;
 350         __u8 pad[2];
 351         __u16 Tid;
 352         __le16 Pid;
 353         __u16 Uid;
 354         __u16 Mid;
 355         __u8 WordCount;
 356 } __attribute__((packed));
 357 /* given a pointer to an smb_hdr retrieve the value of byte count */
 358 #define BCC(smb_var) ( *(__u16 *)((char *)smb_var + sizeof(struct smb_hdr) + (2* smb_var->WordCount) ) )
 359 #define BCC_LE(smb_var) ( *(__le16 *)((char *)smb_var + sizeof(struct smb_hdr) + (2* smb_var->WordCount) ) )
 360 /* given a pointer to an smb_hdr retrieve the pointer to the byte area */
 361 #define pByteArea(smb_var) ((unsigned char *)smb_var + sizeof(struct smb_hdr) + (2* smb_var->WordCount) + 2 )
 362
 363 /*
 364  * Computer Name Length
 365  */
 366 #define CNLEN 15
 367
 368 /*
 369  * Share Name Length                                      @S8A
 370  * Note:  This length is limited by the SMB used to get   @S8A
 371  *        the Share info.   NetShareEnum only returns 13  @S8A
 372  *        chars, including the null termination.          @S8A
 373  */
 374 #define SNLEN 12                /*@S8A */
 375
 376 /*
 377  * Comment Length
 378  */
 379 #define MAXCOMMENTLEN 40
 380
 381 /*
 382  * The OS/2 maximum path name
 383  */
 384 #define MAX_PATHCONF 256
 385
 386 /*
 387  *  SMB frame definitions  (following must be packed structs)
 388  *  See the SNIA CIFS Specification for details.
 389  *
 390  *  The Naming convention is the lower case version of the
 391  *  smb command code name for the struct and this is typedef to the
 392  *  uppercase version of the same name with the prefix SMB_ removed
 393  *  for brevity.  Although typedefs are not commonly used for
 394  *  structure definitions in the Linux kernel, their use in the
 395  *  CIFS standards document, which this code is based on, may
 396  *  make this one of the cases where typedefs for structures make
 397  *  sense to improve readability for readers of the standards doc.
 398  *  Typedefs can always be removed later if they are too distracting
 399  *  and they are only used for the CIFSs PDUs themselves, not
 400  *  internal cifs vfs structures
 401  *
 402  */
 403
 404 typedef struct negotiate_req {
 405         struct smb_hdr hdr;     /* wct = 0 */
 406         __le16 ByteCount;
 407         unsigned char DialectsArray[1];
 408 } __attribute__((packed)) NEGOTIATE_REQ;
 409
 410 /* Dialect index is 13 for LANMAN */
 411
 412 #define MIN_TZ_ADJ (15 * 60) /* minimum grid for timezones in seconds */
 413
 414 typedef struct lanman_neg_rsp {
 415         struct smb_hdr hdr;     /* wct = 13 */
 416         __le16 DialectIndex;
 417         __le16 SecurityMode;
 418         __le16 MaxBufSize;
 419         __le16 MaxMpxCount;
 420         __le16 MaxNumberVcs;
 421         __le16 RawMode;
 422         __le32 SessionKey;
 423         struct {
 424                 __le16 Time;
 425                 __le16 Date;
 426         } __attribute__((packed)) SrvTime;
 427         __le16 ServerTimeZone;
 428         __le16 EncryptionKeyLength;
 429         __le16 Reserved;
 430         __u16  ByteCount;
 431         unsigned char EncryptionKey[1];
 432 } __attribute__((packed)) LANMAN_NEG_RSP;
 433
 434 #define READ_RAW_ENABLE 1
 435 #define WRITE_RAW_ENABLE 2
 436 #define RAW_ENABLE (READ_RAW_ENABLE | WRITE_RAW_ENABLE)
 437
 438 typedef struct negotiate_rsp {
 439         struct smb_hdr hdr;     /* wct = 17 */
 440         __le16 DialectIndex;
 441         __u8 SecurityMode;
 442         __le16 MaxMpxCount;
 443         __le16 MaxNumberVcs;
 444         __le32 MaxBufferSize;
 445         __le32 MaxRawSize;
 446         __le32 SessionKey;
 447         __le32 Capabilities;    /* see below */
 448         __le32 SystemTimeLow;
 449         __le32 SystemTimeHigh;
 450         __le16 ServerTimeZone;
 451         __u8 EncryptionKeyLength;
 452         __u16 ByteCount;
 453         union {
 454                 unsigned char EncryptionKey[1]; /* cap extended security off */
 455                 /* followed by Domain name - if extended security is off */
 456                 /* followed by 16 bytes of server GUID */
 457                 /* then security blob if cap_extended_security negotiated */
 458                 struct {
 459                         unsigned char GUID[16];
 460                         unsigned char SecurityBlob[1];
 461                 } __attribute__((packed)) extended_response;
 462         } __attribute__((packed)) u;
 463 } __attribute__((packed)) NEGOTIATE_RSP;
 464
 465 /* SecurityMode bits */
 466 #define SECMODE_USER          0x01      /* off indicates share level security */
 467 #define SECMODE_PW_ENCRYPT    0x02
 468 #define SECMODE_SIGN_ENABLED  0x04      /* SMB security signatures enabled */
 469 #define SECMODE_SIGN_REQUIRED 0x08      /* SMB security signatures required */
 470
 471 /* Negotiate response Capabilities */
 472 #define CAP_RAW_MODE           0x00000001
 473 #define CAP_MPX_MODE           0x00000002
 474 #define CAP_UNICODE            0x00000004
 475 #define CAP_LARGE_FILES        0x00000008
 476 #define CAP_NT_SMBS            0x00000010       /* implies CAP_NT_FIND */
 477 #define CAP_RPC_REMOTE_APIS    0x00000020
 478 #define CAP_STATUS32           0x00000040
 479 #define CAP_LEVEL_II_OPLOCKS   0x00000080
 480 #define CAP_LOCK_AND_READ      0x00000100
 481 #define CAP_NT_FIND            0x00000200
 482 #define CAP_DFS                0x00001000
 483 #define CAP_INFOLEVEL_PASSTHRU 0x00002000
 484 #define CAP_LARGE_READ_X       0x00004000
 485 #define CAP_LARGE_WRITE_X      0x00008000
 486 #define CAP_UNIX               0x00800000
 487 #define CAP_RESERVED           0x02000000
 488 #define CAP_BULK_TRANSFER      0x20000000
 489 #define CAP_COMPRESSED_DATA    0x40000000
 490 #define CAP_EXTENDED_SECURITY  0x80000000
 491
 492 typedef union smb_com_session_setup_andx {
 493         struct {                /* request format */
 494                 struct smb_hdr hdr;     /* wct = 12 */
 495                 __u8 AndXCommand;
 496                 __u8 AndXReserved;
 497                 __le16 AndXOffset;
 498                 __le16 MaxBufferSize;
 499                 __le16 MaxMpxCount;
 500                 __le16 VcNumber;
 501                 __u32 SessionKey;
 502                 __le16 SecurityBlobLength;
 503                 __u32 Reserved;
 504                 __le32 Capabilities;    /* see below */
 505                 __le16 ByteCount;
 506                 unsigned char SecurityBlob[1];  /* followed by */
 507                 /* STRING NativeOS */
 508                 /* STRING NativeLanMan */
 509         } __attribute__((packed)) req;  /* NTLM request format (with
 510                                         extended security */
 511
 512         struct {                /* request format */
 513                 struct smb_hdr hdr;     /* wct = 13 */
 514                 __u8 AndXCommand;
 515                 __u8 AndXReserved;
 516                 __le16 AndXOffset;
 517                 __le16 MaxBufferSize;
 518                 __le16 MaxMpxCount;
 519                 __le16 VcNumber;
 520                 __u32 SessionKey;
 521                 __le16 CaseInsensitivePasswordLength; /* ASCII password len */
 522                 __le16 CaseSensitivePasswordLength; /* Unicode password length*/
 523                 __u32 Reserved; /* see below */
 524                 __le32 Capabilities;
 525                 __le16 ByteCount;
 526                 unsigned char CaseInsensitivePassword[1];     /* followed by: */
 527                 /* unsigned char * CaseSensitivePassword; */
 528                 /* STRING AccountName */
 529                 /* STRING PrimaryDomain */
 530                 /* STRING NativeOS */
 531                 /* STRING NativeLanMan */
 532         } __attribute__((packed)) req_no_secext; /* NTLM request format (without
 533                                                         extended security */
 534
 535         struct {                /* default (NTLM) response format */
 536                 struct smb_hdr hdr;     /* wct = 4 */
 537                 __u8 AndXCommand;
 538                 __u8 AndXReserved;
 539                 __le16 AndXOffset;
 540                 __le16 Action;  /* see below */
 541                 __le16 SecurityBlobLength;
 542                 __u16 ByteCount;
 543                 unsigned char SecurityBlob[1];  /* followed by */
 544 /*      unsigned char  * NativeOS;      */
 545 /*      unsigned char  * NativeLanMan;  */
 546 /*      unsigned char  * PrimaryDomain; */
 547         } __attribute__((packed)) resp; /* NTLM response with or without extended sec*/
 548
 549         struct {                /* request format */
 550                 struct smb_hdr hdr;     /* wct = 10 */
 551                 __u8 AndXCommand;
 552                 __u8 AndXReserved;
 553                 __le16 AndXOffset;
 554                 __le16 MaxBufferSize;
 555                 __le16 MaxMpxCount;
 556                 __le16 VcNumber;
 557                 __u32 SessionKey;
 558                 __le16 PasswordLength;
 559                 __u32 Reserved; /* encrypt key len and offset */
 560                 __le16 ByteCount;
 561                 unsigned char AccountPassword[1];       /* followed by */
 562                 /* STRING AccountName */
 563                 /* STRING PrimaryDomain */
 564                 /* STRING NativeOS */
 565                 /* STRING NativeLanMan */
 566         } __attribute__((packed)) old_req; /* pre-NTLM (LANMAN2.1) req format */
 567
 568         struct {                /* default (NTLM) response format */
 569                 struct smb_hdr hdr;     /* wct = 3 */
 570                 __u8 AndXCommand;
 571                 __u8 AndXReserved;
 572                 __le16 AndXOffset;
 573                 __le16 Action;  /* see below */
 574                 __u16 ByteCount;
 575                 unsigned char NativeOS[1];      /* followed by */
 576 /*      unsigned char * NativeLanMan; */
 577 /*      unsigned char * PrimaryDomain; */
 578         } __attribute__((packed)) old_resp; /* pre-NTLM (LANMAN2.1) response */
 579 } __attribute__((packed)) SESSION_SETUP_ANDX;
 580
 581 /* format of NLTMv2 Response ie "case sensitive password" hash when NTLMv2 */
 582
 583 #define NTLMSSP_SERVER_TYPE     1
 584 #define NTLMSSP_DOMAIN_TYPE     2
 585 #define NTLMSSP_FQ_DOMAIN_TYPE  3
 586 #define NTLMSSP_DNS_DOMAIN_TYPE 4
 587 #define NTLMSSP_DNS_PARENT_TYPE 5
 588
 589 struct ntlmssp2_name {
 590         __le16 type;
 591         __le16 length;
 592 /*      char   name[length]; */
 593 } __attribute__((packed));
 594
 595 struct ntlmv2_resp {
 596         char ntlmv2_hash[CIFS_ENCPWD_SIZE];
 597         __le32 blob_signature;
 598         __u32  reserved;
 599         __le64  time;
 600         __u64  client_chal; /* random */
 601         __u32  reserved2;
 602         struct ntlmssp2_name names[2];
 603         /* array of name entries could follow ending in minimum 4 byte struct */
 604 } __attribute__((packed));
 605
 606
 607 #define CIFS_NETWORK_OPSYS "CIFS VFS Client for Linux"
 608
 609 /* Capabilities bits (for NTLM SessSetup request) */
 610 #define CAP_UNICODE            0x00000004
 611 #define CAP_LARGE_FILES        0x00000008
 612 #define CAP_NT_SMBS            0x00000010
 613 #define CAP_STATUS32           0x00000040
 614 #define CAP_LEVEL_II_OPLOCKS   0x00000080
 615 #define CAP_NT_FIND            0x00000200       /* reserved should be zero
 616                                 (because NT_SMBs implies the same thing?) */
 617 #define CAP_BULK_TRANSFER      0x20000000
 618 #define CAP_EXTENDED_SECURITY  0x80000000
 619
 620 /* Action bits */
 621 #define GUEST_LOGIN 1
 622
 623 typedef struct smb_com_tconx_req {
 624         struct smb_hdr hdr;     /* wct = 4 */
 625         __u8 AndXCommand;
 626         __u8 AndXReserved;
 627         __le16 AndXOffset;
 628         __le16 Flags;           /* see below */
 629         __le16 PasswordLength;
 630         __le16 ByteCount;
 631         unsigned char Password[1];      /* followed by */
 632 /* STRING Path    *//* \\server\share name */
 633         /* STRING Service */
 634 } __attribute__((packed)) TCONX_REQ;
 635
 636 typedef struct smb_com_tconx_rsp {
 637         struct smb_hdr hdr;     /* wct = 3 note that Win2000 has sent wct = 7
 638                                  in some cases on responses. Four unspecified
 639                                  words followed OptionalSupport */
 640         __u8 AndXCommand;
 641         __u8 AndXReserved;
 642         __le16 AndXOffset;
 643         __le16 OptionalSupport; /* see below */
 644         __u16 ByteCount;
 645         unsigned char Service[1];       /* always ASCII, not Unicode */
 646         /* STRING NativeFileSystem */
 647 } __attribute__((packed)) TCONX_RSP;
 648
 649 /* tree connect Flags */
 650 #define DISCONNECT_TID          0x0001
 651 #define TCON_EXTENDED_SECINFO   0x0008
 652 /* OptionalSupport bits */
 653 #define SMB_SUPPORT_SEARCH_BITS 0x0001  /* "must have" directory search bits
 654                                          (exclusive searches supported) */
 655 #define SMB_SHARE_IS_IN_DFS     0x0002
 656
 657 typedef struct smb_com_logoff_andx_req {
 658         struct smb_hdr hdr;     /* wct = 2 */
 659         __u8 AndXCommand;
 660         __u8 AndXReserved;
 661         __u16 AndXOffset;
 662         __u16 ByteCount;
 663 } __attribute__((packed)) LOGOFF_ANDX_REQ;
 664
 665 typedef struct smb_com_logoff_andx_rsp {
 666         struct smb_hdr hdr;     /* wct = 2 */
 667         __u8 AndXCommand;
 668         __u8 AndXReserved;
 669         __u16 AndXOffset;
 670         __u16 ByteCount;
 671 } __attribute__((packed)) LOGOFF_ANDX_RSP;
 672
 673 typedef union smb_com_tree_disconnect { /* as an altetnative can use flag on
 674                                         tree_connect PDU to effect disconnect */
 675                                         /* tdis is probably simplest SMB PDU */
 676         struct {
 677                 struct smb_hdr hdr;     /* wct = 0 */
 678                 __u16 ByteCount;        /* bcc = 0 */
 679         } __attribute__((packed)) req;
 680         struct {
 681                 struct smb_hdr hdr;     /* wct = 0 */
 682                 __u16 ByteCount;        /* bcc = 0 */
 683         } __attribute__((packed)) resp;
 684 } __attribute__((packed)) TREE_DISCONNECT;
 685
 686 typedef struct smb_com_close_req {
 687         struct smb_hdr hdr;     /* wct = 3 */
 688         __u16 FileID;
 689         __u32 LastWriteTime;    /* should be zero or -1 */
 690         __u16 ByteCount;        /* 0 */
 691 } __attribute__((packed)) CLOSE_REQ;
 692
 693 typedef struct smb_com_close_rsp {
 694         struct smb_hdr hdr;     /* wct = 0 */
 695         __u16 ByteCount;        /* bct = 0 */
 696 } __attribute__((packed)) CLOSE_RSP;
 697
 698 typedef struct smb_com_findclose_req {
 699         struct smb_hdr hdr; /* wct = 1 */
 700         __u16 FileID;
 701         __u16 ByteCount;    /* 0 */
 702 } __attribute__((packed)) FINDCLOSE_REQ;
 703
 704 /* OpenFlags */
 705 #define REQ_MORE_INFO      0x00000001  /* legacy (OPEN_AND_X) only */
 706 #define REQ_OPLOCK         0x00000002
 707 #define REQ_BATCHOPLOCK    0x00000004
 708 #define REQ_OPENDIRONLY    0x00000008
 709
 710 typedef struct smb_com_open_req {       /* also handles create */
 711         struct smb_hdr hdr;     /* wct = 24 */
 712         __u8 AndXCommand;
 713         __u8 AndXReserved;
 714         __le16 AndXOffset;
 715         __u8 Reserved;          /* Must Be Zero */
 716         __le16 NameLength;
 717         __le32 OpenFlags;
 718         __le32 RootDirectoryFid;
 719         __le32 DesiredAccess;
 720         __le64 AllocationSize;
 721         __le32 FileAttributes;
 722         __le32 ShareAccess;
 723         __le32 CreateDisposition;
 724         __le32 CreateOptions;
 725         __le32 ImpersonationLevel;
 726         __u8 SecurityFlags;
 727         __le16 ByteCount;
 728         char fileName[1];
 729 } __attribute__((packed)) OPEN_REQ;
 730
 731 /* open response: oplock levels */
 732 #define OPLOCK_NONE      0
 733 #define OPLOCK_EXCLUSIVE 1
 734 #define OPLOCK_BATCH     2
 735 #define OPLOCK_READ      3  /* level 2 oplock */
 736
 737 /* open response for CreateAction shifted left */
 738 #define CIFS_CREATE_ACTION 0x20000 /* file created */
 739
 740 typedef struct smb_com_open_rsp {
 741         struct smb_hdr hdr;     /* wct = 34 BB */
 742         __u8 AndXCommand;
 743         __u8 AndXReserved;
 744         __le16 AndXOffset;
 745         __u8 OplockLevel;
 746         __u16 Fid;
 747         __le32 CreateAction;
 748         __le64 CreationTime;
 749         __le64 LastAccessTime;
 750         __le64 LastWriteTime;
 751         __le64 ChangeTime;
 752         __le32 FileAttributes;
 753         __le64 AllocationSize;
 754         __le64 EndOfFile;
 755         __le16 FileType;
 756         __le16 DeviceState;
 757         __u8 DirectoryFlag;
 758         __u16 ByteCount;        /* bct = 0 */
 759 } __attribute__((packed)) OPEN_RSP;
 760
 761 /* format of legacy open request */
 762 typedef struct smb_com_openx_req {
 763         struct smb_hdr  hdr;    /* wct = 15 */
 764         __u8 AndXCommand;
 765         __u8 AndXReserved;
 766         __le16 AndXOffset;
 767         __le16 OpenFlags;
 768         __le16 Mode;
 769         __le16 Sattr; /* search attributes */
 770         __le16 FileAttributes;  /* dos attrs */
 771         __le32 CreateTime; /* os2 format */
 772         __le16 OpenFunction;
 773         __le32 EndOfFile;
 774         __le32 Timeout;
 775         __le32 Reserved;
 776         __le16  ByteCount;  /* file name follows */
 777         char   fileName[1];
 778 } __attribute__((packed)) OPENX_REQ;
 779
 780 typedef struct smb_com_openx_rsp {
 781         struct smb_hdr  hdr;    /* wct = 15 */
 782         __u8 AndXCommand;
 783         __u8 AndXReserved;
 784         __le16 AndXOffset;
 785         __u16  Fid;
 786         __le16 FileAttributes;
 787         __le32 LastWriteTime; /* os2 format */
 788         __le32 EndOfFile;
 789         __le16 Access;
 790         __le16 FileType;
 791         __le16 IPCState;
 792         __le16 Action;
 793         __u32  FileId;
 794         __u16  Reserved;
 795         __u16  ByteCount;
 796 } __attribute__((packed)) OPENX_RSP;
 797
 798 /* Legacy write request for older servers */
 799 typedef struct smb_com_writex_req {
 800         struct smb_hdr hdr;     /* wct = 12 */
 801         __u8 AndXCommand;
 802         __u8 AndXReserved;
 803         __le16 AndXOffset;
 804         __u16 Fid;
 805         __le32 OffsetLow;
 806         __u32 Reserved; /* Timeout */
 807         __le16 WriteMode; /* 1 = write through */
 808         __le16 Remaining;
 809         __le16 Reserved2;
 810         __le16 DataLengthLow;
 811         __le16 DataOffset;
 812         __le16 ByteCount;
 813         __u8 Pad;               /* BB check for whether padded to DWORD boundary and optimum performance here */
 814         char Data[0];
 815 } __attribute__((packed)) WRITEX_REQ;
 816
 817 typedef struct smb_com_write_req {
 818         struct smb_hdr hdr;     /* wct = 14 */
 819         __u8 AndXCommand;
 820         __u8 AndXReserved;
 821         __le16 AndXOffset;
 822         __u16 Fid;
 823         __le32 OffsetLow;
 824         __u32 Reserved;
 825         __le16 WriteMode;
 826         __le16 Remaining;
 827         __le16 DataLengthHigh;
 828         __le16 DataLengthLow;
 829         __le16 DataOffset;
 830         __le32 OffsetHigh;
 831         __le16 ByteCount;
 832         __u8 Pad;               /* BB check for whether padded to DWORD boundary and optimum performance here */
 833         char Data[0];
 834 } __attribute__((packed)) WRITE_REQ;
 835
 836 typedef struct smb_com_write_rsp {
 837         struct smb_hdr hdr;     /* wct = 6 */
 838         __u8 AndXCommand;
 839         __u8 AndXReserved;
 840         __le16 AndXOffset;
 841         __le16 Count;
 842         __le16 Remaining;
 843         __le16 CountHigh;
 844         __u16  Reserved;
 845         __u16 ByteCount;
 846 } __attribute__((packed)) WRITE_RSP;
 847
 848 /* legacy read request for older servers */
 849 typedef struct smb_com_readx_req {
 850         struct smb_hdr hdr;     /* wct = 10 */
 851         __u8 AndXCommand;
 852         __u8 AndXReserved;
 853         __le16 AndXOffset;
 854         __u16 Fid;
 855         __le32 OffsetLow;
 856         __le16 MaxCount;
 857         __le16 MinCount;                /* obsolete */
 858         __le32 Reserved;
 859         __le16 Remaining;
 860         __le16 ByteCount;
 861 } __attribute__((packed)) READX_REQ;
 862
 863 typedef struct smb_com_read_req {
 864         struct smb_hdr hdr;     /* wct = 12 */
 865         __u8 AndXCommand;
 866         __u8 AndXReserved;
 867         __le16 AndXOffset;
 868         __u16 Fid;
 869         __le32 OffsetLow;
 870         __le16 MaxCount;
 871         __le16 MinCount;                /* obsolete */
 872         __le32 MaxCountHigh;
 873         __le16 Remaining;
 874         __le32 OffsetHigh;
 875         __le16 ByteCount;
 876 } __attribute__((packed)) READ_REQ;
 877
 878 typedef struct smb_com_read_rsp {
 879         struct smb_hdr hdr;     /* wct = 12 */
 880         __u8 AndXCommand;
 881         __u8 AndXReserved;
 882         __le16 AndXOffset;
 883         __le16 Remaining;
 884         __le16 DataCompactionMode;
 885         __le16 Reserved;
 886         __le16 DataLength;
 887         __le16 DataOffset;
 888         __le16 DataLengthHigh;
 889         __u64 Reserved2;
 890         __u16 ByteCount;
 891         __u8 Pad;               /* BB check for whether padded to DWORD boundary and optimum performance here */
 892         char Data[1];
 893 } __attribute__((packed)) READ_RSP;
 894
 895 typedef struct locking_andx_range {
 896         __le16 Pid;
 897         __le16 Pad;
 898         __le32 OffsetHigh;
 899         __le32 OffsetLow;
 900         __le32 LengthHigh;
 901         __le32 LengthLow;
 902 } __attribute__((packed)) LOCKING_ANDX_RANGE;
 903
 904 #define LOCKING_ANDX_SHARED_LOCK     0x01
 905 #define LOCKING_ANDX_OPLOCK_RELEASE  0x02
 906 #define LOCKING_ANDX_CHANGE_LOCKTYPE 0x04
 907 #define LOCKING_ANDX_CANCEL_LOCK     0x08
 908 #define LOCKING_ANDX_LARGE_FILES     0x10       /* always on for us */
 909
 910 typedef struct smb_com_lock_req {
 911         struct smb_hdr hdr;     /* wct = 8 */
 912         __u8 AndXCommand;
 913         __u8 AndXReserved;
 914         __le16 AndXOffset;
 915         __u16 Fid;
 916         __u8 LockType;
 917         __u8 OplockLevel;
 918         __le32 Timeout;
 919         __le16 NumberOfUnlocks;
 920         __le16 NumberOfLocks;
 921         __le16 ByteCount;
 922         LOCKING_ANDX_RANGE Locks[1];
 923 } __attribute__((packed)) LOCK_REQ;
 924
 925 /* lock type */
 926 #define CIFS_RDLCK      0
 927 #define CIFS_WRLCK      1
 928 #define CIFS_UNLCK      2
 929 typedef struct cifs_posix_lock {
 930         __le16  lock_type;  /* 0 = Read, 1 = Write, 2 = Unlock */
 931         __le16  lock_flags; /* 1 = Wait (only valid for setlock) */
 932         __le32  pid;
 933         __le64  start;
 934         __le64  length;
 935         /* BB what about additional owner info to identify network client */
 936 } __attribute__((packed)) CIFS_POSIX_LOCK;
 937
 938 typedef struct smb_com_lock_rsp {
 939         struct smb_hdr hdr;     /* wct = 2 */
 940         __u8 AndXCommand;
 941         __u8 AndXReserved;
 942         __le16 AndXOffset;
 943         __u16 ByteCount;
 944 } __attribute__((packed)) LOCK_RSP;
 945
 946 typedef struct smb_com_rename_req {
 947         struct smb_hdr hdr;     /* wct = 1 */
 948         __le16 SearchAttributes;        /* target file attributes */
 949         __le16 ByteCount;
 950         __u8 BufferFormat;      /* 4 = ASCII or Unicode */
 951         unsigned char OldFileName[1];
 952         /* followed by __u8 BufferFormat2 */
 953         /* followed by NewFileName */
 954 } __attribute__((packed)) RENAME_REQ;
 955
 956         /* copy request flags */
 957 #define COPY_MUST_BE_FILE      0x0001
 958 #define COPY_MUST_BE_DIR       0x0002
 959 #define COPY_TARGET_MODE_ASCII 0x0004 /* if not set, binary */
 960 #define COPY_SOURCE_MODE_ASCII 0x0008 /* if not set, binary */
 961 #define COPY_VERIFY_WRITES     0x0010
 962 #define COPY_TREE              0x0020
 963
 964 typedef struct smb_com_copy_req {
 965         struct smb_hdr hdr;     /* wct = 3 */
 966         __u16 Tid2;
 967         __le16 OpenFunction;
 968         __le16 Flags;
 969         __le16 ByteCount;
 970         __u8 BufferFormat;      /* 4 = ASCII or Unicode */
 971         unsigned char OldFileName[1];
 972         /* followed by __u8 BufferFormat2 */
 973         /* followed by NewFileName string */
 974 } __attribute__((packed)) COPY_REQ;
 975
 976 typedef struct smb_com_copy_rsp {
 977         struct smb_hdr hdr;     /* wct = 1 */
 978         __le16 CopyCount;    /* number of files copied */
 979         __u16 ByteCount;    /* may be zero */
 980         __u8 BufferFormat;  /* 0x04 - only present if errored file follows */
 981         unsigned char ErrorFileName[1]; /* only present if error in copy */
 982 } __attribute__((packed)) COPY_RSP;
 983
 984 #define CREATE_HARD_LINK                0x103
 985 #define MOVEFILE_COPY_ALLOWED           0x0002
 986 #define MOVEFILE_REPLACE_EXISTING       0x0001
 987
 988 typedef struct smb_com_nt_rename_req {  /* A5 - also used for create hardlink */
 989         struct smb_hdr hdr;     /* wct = 4 */
 990         __le16 SearchAttributes;        /* target file attributes */
 991         __le16 Flags;           /* spec says Information Level */
 992         __le32 ClusterCount;
 993         __le16 ByteCount;
 994         __u8 BufferFormat;      /* 4 = ASCII or Unicode */
 995         unsigned char OldFileName[1];
 996         /* followed by __u8 BufferFormat2 */
 997         /* followed by NewFileName */
 998 } __attribute__((packed)) NT_RENAME_REQ;
 999
1000 typedef struct smb_com_rename_rsp {
1001         struct smb_hdr hdr;     /* wct = 0 */
1002         __u16 ByteCount;        /* bct = 0 */
1003 } __attribute__((packed)) RENAME_RSP;
1004
1005 typedef struct smb_com_delete_file_req {
1006         struct smb_hdr hdr;     /* wct = 1 */
1007         __le16 SearchAttributes;
1008         __le16 ByteCount;
1009         __u8 BufferFormat;      /* 4 = ASCII */
1010         unsigned char fileName[1];
1011 } __attribute__((packed)) DELETE_FILE_REQ;
1012
1013 typedef struct smb_com_delete_file_rsp {
1014         struct smb_hdr hdr;     /* wct = 0 */
1015         __u16 ByteCount;        /* bct = 0 */
1016 } __attribute__((packed)) DELETE_FILE_RSP;
1017
1018 typedef struct smb_com_delete_directory_req {
1019         struct smb_hdr hdr;     /* wct = 0 */
1020         __le16 ByteCount;
1021         __u8 BufferFormat;      /* 4 = ASCII */
1022         unsigned char DirName[1];
1023 } __attribute__((packed)) DELETE_DIRECTORY_REQ;
1024
1025 typedef struct smb_com_delete_directory_rsp {
1026         struct smb_hdr hdr;     /* wct = 0 */
1027         __u16 ByteCount;        /* bct = 0 */
1028 } __attribute__((packed)) DELETE_DIRECTORY_RSP;
1029
1030 typedef struct smb_com_create_directory_req {
1031         struct smb_hdr hdr;     /* wct = 0 */
1032         __le16 ByteCount;
1033         __u8 BufferFormat;      /* 4 = ASCII */
1034         unsigned char DirName[1];
1035 } __attribute__((packed)) CREATE_DIRECTORY_REQ;
1036
1037 typedef struct smb_com_create_directory_rsp {
1038         struct smb_hdr hdr;     /* wct = 0 */
1039         __u16 ByteCount;        /* bct = 0 */
1040 } __attribute__((packed)) CREATE_DIRECTORY_RSP;
1041
1042 typedef struct smb_com_query_information_req {
1043         struct smb_hdr hdr;     /* wct = 0 */
1044         __le16 ByteCount;       /* 1 + namelen + 1 */
1045         __u8 BufferFormat;      /* 4 = ASCII */
1046         unsigned char FileName[1];
1047 } __attribute__((packed)) QUERY_INFORMATION_REQ;
1048
1049 typedef struct smb_com_query_information_rsp {
1050         struct smb_hdr hdr;     /* wct = 10 */
1051         __le16 attr;
1052         __le32  last_write_time;
1053         __le32 size;
1054         __u16  reserved[5];
1055         __le16 ByteCount;       /* bcc = 0 */
1056 } __attribute__((packed)) QUERY_INFORMATION_RSP;
1057
1058 typedef struct smb_com_setattr_req {
1059         struct smb_hdr hdr; /* wct = 8 */
1060         __le16 attr;
1061         __le16 time_low;
1062         __le16 time_high;
1063         __le16 reserved[5]; /* must be zero */
1064         __u16  ByteCount;
1065         __u8   BufferFormat; /* 4 = ASCII */
1066         unsigned char fileName[1];
1067 } __attribute__((packed)) SETATTR_REQ;
1068
1069 typedef struct smb_com_setattr_rsp {
1070         struct smb_hdr hdr;     /* wct = 0 */
1071         __u16 ByteCount;        /* bct = 0 */
1072 } __attribute__((packed)) SETATTR_RSP;
1073
1074 /* empty wct response to setattr */
1075
1076 /*******************************************************/
1077 /* NT Transact structure defintions follow             */
1078 /* Currently only ioctl, acl (get security descriptor) */
1079 /* and notify are implemented                          */
1080 /*******************************************************/
1081 typedef struct smb_com_ntransact_req {
1082         struct smb_hdr hdr; /* wct >= 19 */
1083         __u8 MaxSetupCount;
1084         __u16 Reserved;
1085         __le32 TotalParameterCount;
1086         __le32 TotalDataCount;
1087         __le32 MaxParameterCount;
1088         __le32 MaxDataCount;
1089         __le32 ParameterCount;
1090         __le32 ParameterOffset;
1091         __le32 DataCount;
1092         __le32 DataOffset;
1093         __u8 SetupCount; /* four setup words follow subcommand */
1094         /* SNIA spec incorrectly included spurious pad here */
1095         __le16 SubCommand; /* 2 = IOCTL/FSCTL */
1096         /* SetupCount words follow then */
1097         __le16 ByteCount;
1098         __u8 Pad[3];
1099         __u8 Parms[0];
1100 } __attribute__((packed)) NTRANSACT_REQ;
1101
1102 typedef struct smb_com_ntransact_rsp {
1103         struct smb_hdr hdr;     /* wct = 18 */
1104         __u8 Reserved[3];
1105         __le32 TotalParameterCount;
1106         __le32 TotalDataCount;
1107         __le32 ParameterCount;
1108         __le32 ParameterOffset;
1109         __le32 ParameterDisplacement;
1110         __le32 DataCount;
1111         __le32 DataOffset;
1112         __le32 DataDisplacement;
1113         __u8 SetupCount;   /* 0 */
1114         __u16 ByteCount;
1115         /* __u8 Pad[3]; */
1116         /* parms and data follow */
1117 } __attribute__((packed)) NTRANSACT_RSP;
1118
1119 typedef struct smb_com_transaction_ioctl_req {
1120         struct smb_hdr hdr;     /* wct = 23 */
1121         __u8 MaxSetupCount;
1122         __u16 Reserved;
1123         __le32 TotalParameterCount;
1124         __le32 TotalDataCount;
1125         __le32 MaxParameterCount;
1126         __le32 MaxDataCount;
1127         __le32 ParameterCount;
1128         __le32 ParameterOffset;
1129         __le32 DataCount;
1130         __le32 DataOffset;
1131         __u8 SetupCount; /* four setup words follow subcommand */
1132         /* SNIA spec incorrectly included spurious pad here */
1133         __le16 SubCommand; /* 2 = IOCTL/FSCTL */
1134         __le32 FunctionCode;
1135         __u16 Fid;
1136         __u8 IsFsctl;  /* 1 = File System Control 0 = device control (IOCTL) */
1137         __u8 IsRootFlag; /* 1 = apply command to root of share (must be DFS) */
1138         __le16 ByteCount;
1139         __u8 Pad[3];
1140         __u8 Data[1];
1141 } __attribute__((packed)) TRANSACT_IOCTL_REQ;
1142
1143 typedef struct smb_com_transaction_ioctl_rsp {
1144         struct smb_hdr hdr;     /* wct = 19 */
1145         __u8 Reserved[3];
1146         __le32 TotalParameterCount;
1147         __le32 TotalDataCount;
1148         __le32 ParameterCount;
1149         __le32 ParameterOffset;
1150         __le32 ParameterDisplacement;
1151         __le32 DataCount;
1152         __le32 DataOffset;
1153         __le32 DataDisplacement;
1154         __u8 SetupCount;        /* 1 */
1155         __le16 ReturnedDataLen;
1156         __u16 ByteCount;
1157 } __attribute__((packed)) TRANSACT_IOCTL_RSP;
1158
1159 #define CIFS_ACL_OWNER 1
1160 #define CIFS_ACL_GROUP 2
1161 #define CIFS_ACL_DACL  4
1162 #define CIFS_ACL_SACL  8
1163
1164 typedef struct smb_com_transaction_qsec_req {
1165         struct smb_hdr hdr;     /* wct = 19 */
1166         __u8 MaxSetupCount;
1167         __u16 Reserved;
1168         __le32 TotalParameterCount;
1169         __le32 TotalDataCount;
1170         __le32 MaxParameterCount;
1171         __le32 MaxDataCount;
1172         __le32 ParameterCount;
1173         __le32 ParameterOffset;
1174         __le32 DataCount;
1175         __le32 DataOffset;
1176         __u8 SetupCount; /* no setup words follow subcommand */
1177         /* SNIA spec incorrectly included spurious pad here */
1178         __le16 SubCommand; /* 6 = QUERY_SECURITY_DESC */
1179         __le16 ByteCount; /* bcc = 3 + 8 */
1180         __u8 Pad[3];
1181         __u16 Fid;
1182         __u16 Reserved2;
1183         __le32 AclFlags;
1184 } __attribute__((packed)) QUERY_SEC_DESC_REQ;
1185
1186 typedef struct smb_com_transaction_change_notify_req {
1187         struct smb_hdr hdr;     /* wct = 23 */
1188         __u8 MaxSetupCount;
1189         __u16 Reserved;
1190         __le32 TotalParameterCount;
1191         __le32 TotalDataCount;
1192         __le32 MaxParameterCount;
1193         __le32 MaxDataCount;
1194         __le32 ParameterCount;
1195         __le32 ParameterOffset;
1196         __le32 DataCount;
1197         __le32 DataOffset;
1198         __u8 SetupCount; /* four setup words follow subcommand */
1199         /* SNIA spec incorrectly included spurious pad here */
1200         __le16 SubCommand;/* 4 = Change Notify */
1201         __le32 CompletionFilter;  /* operation to monitor */
1202         __u16 Fid;
1203         __u8 WatchTree;  /* 1 = Monitor subdirectories */
1204         __u8 Reserved2;
1205         __le16 ByteCount;
1206 /*      __u8 Pad[3];*/
1207 /*      __u8 Data[1];*/
1208 } __attribute__((packed)) TRANSACT_CHANGE_NOTIFY_REQ;
1209
1210 /* BB eventually change to use generic ntransact rsp struct
1211       and validation routine */
1212 typedef struct smb_com_transaction_change_notify_rsp {
1213         struct smb_hdr hdr;     /* wct = 18 */
1214         __u8 Reserved[3];
1215         __le32 TotalParameterCount;
1216         __le32 TotalDataCount;
1217         __le32 ParameterCount;
1218         __le32 ParameterOffset;
1219         __le32 ParameterDisplacement;
1220         __le32 DataCount;
1221         __le32 DataOffset;
1222         __le32 DataDisplacement;
1223         __u8 SetupCount;   /* 0 */
1224         __u16 ByteCount;
1225         /* __u8 Pad[3]; */
1226 } __attribute__((packed)) TRANSACT_CHANGE_NOTIFY_RSP;
1227 /* Completion Filter flags for Notify */
1228 #define FILE_NOTIFY_CHANGE_FILE_NAME    0x00000001
1229 #define FILE_NOTIFY_CHANGE_DIR_NAME     0x00000002
1230 #define FILE_NOTIFY_CHANGE_NAME         0x00000003
1231 #define FILE_NOTIFY_CHANGE_ATTRIBUTES   0x00000004
1232 #define FILE_NOTIFY_CHANGE_SIZE         0x00000008
1233 #define FILE_NOTIFY_CHANGE_LAST_WRITE   0x00000010
1234 #define FILE_NOTIFY_CHANGE_LAST_ACCESS  0x00000020
1235 #define FILE_NOTIFY_CHANGE_CREATION     0x00000040
1236 #define FILE_NOTIFY_CHANGE_EA           0x00000080
1237 #define FILE_NOTIFY_CHANGE_SECURITY     0x00000100
1238 #define FILE_NOTIFY_CHANGE_STREAM_NAME  0x00000200
1239 #define FILE_NOTIFY_CHANGE_STREAM_SIZE  0x00000400
1240 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800
1241
1242 #define FILE_ACTION_ADDED               0x00000001
1243 #define FILE_ACTION_REMOVED             0x00000002
1244 #define FILE_ACTION_MODIFIED            0x00000003
1245 #define FILE_ACTION_RENAMED_OLD_NAME    0x00000004
1246 #define FILE_ACTION_RENAMED_NEW_NAME    0x00000005
1247 #define FILE_ACTION_ADDED_STREAM        0x00000006
1248 #define FILE_ACTION_REMOVED_STREAM      0x00000007
1249 #define FILE_ACTION_MODIFIED_STREAM     0x00000008
1250
1251 /* response contains array of the following structures */
1252 struct file_notify_information {
1253         __le32 NextEntryOffset;
1254         __le32 Action;
1255         __le32 FileNameLength;
1256         __u8  FileName[0];
1257 } __attribute__((packed));
1258
1259 struct reparse_data {
1260         __u32   ReparseTag;
1261         __u16   ReparseDataLength;
1262         __u16   Reserved;
1263         __u16   AltNameOffset;
1264         __u16   AltNameLen;
1265         __u16   TargetNameOffset;
1266         __u16   TargetNameLen;
1267         char    LinkNamesBuf[1];
1268 } __attribute__((packed));
1269
1270 struct cifs_quota_data {
1271         __u32   rsrvd1;  /* 0 */
1272         __u32   sid_size;
1273         __u64   rsrvd2;  /* 0 */
1274         __u64   space_used;
1275         __u64   soft_limit;
1276         __u64   hard_limit;
1277         char    sid[1];  /* variable size? */
1278 } __attribute__((packed));
1279
1280 /* quota sub commands */
1281 #define QUOTA_LIST_CONTINUE         0
1282 #define QUOTA_LIST_START        0x100
1283 #define QUOTA_FOR_SID           0x101
1284
1285 struct trans2_req {
1286         /* struct smb_hdr hdr precedes. Set wct = 14+ */
1287         __le16 TotalParameterCount;
1288         __le16 TotalDataCount;
1289         __le16 MaxParameterCount;
1290         __le16 MaxDataCount;
1291         __u8 MaxSetupCount;
1292         __u8 Reserved;
1293         __le16 Flags;
1294         __le32 Timeout;
1295         __u16 Reserved2;
1296         __le16 ParameterCount;
1297         __le16 ParameterOffset;
1298         __le16 DataCount;
1299         __le16 DataOffset;
1300         __u8 SetupCount;
1301         __u8 Reserved3;
1302         __le16 SubCommand; /* 1st setup word - SetupCount words follow */
1303         __le16 ByteCount;
1304 } __attribute__((packed));
1305
1306 struct smb_t2_req {
1307         struct smb_hdr hdr;
1308         struct trans2_req t2_req;
1309 } __attribute__((packed));
1310
1311 struct trans2_resp {
1312         /* struct smb_hdr hdr precedes. Note wct = 10 + setup count */
1313         __le16 TotalParameterCount;
1314         __le16 TotalDataCount;
1315         __u16 Reserved;
1316         __le16 ParameterCount;
1317         __le16 ParameterOffset;
1318         __le16 ParameterDisplacement;
1319         __le16 DataCount;
1320         __le16 DataOffset;
1321         __le16 DataDisplacement;
1322         __u8 SetupCount;
1323         __u8 Reserved1;
1324         /* SetupWords[SetupCount];
1325         __u16 ByteCount;
1326         __u16 Reserved2;*/
1327         /* data area follows */
1328 } __attribute__((packed));
1329
1330 struct smb_t2_rsp {
1331         struct smb_hdr hdr;
1332         struct trans2_resp t2_rsp;
1333 } __attribute__((packed));
1334
1335 /* PathInfo/FileInfo infolevels */
1336 #define SMB_INFO_STANDARD                   1
1337 #define SMB_SET_FILE_EA                     2
1338 #define SMB_QUERY_FILE_EA_SIZE              2
1339 #define SMB_INFO_QUERY_EAS_FROM_LIST        3
1340 #define SMB_INFO_QUERY_ALL_EAS              4
1341 #define SMB_INFO_IS_NAME_VALID              6
1342 #define SMB_QUERY_FILE_BASIC_INFO       0x101
1343 #define SMB_QUERY_FILE_STANDARD_INFO    0x102
1344 #define SMB_QUERY_FILE_EA_INFO          0x103
1345 #define SMB_QUERY_FILE_NAME_INFO        0x104
1346 #define SMB_QUERY_FILE_ALLOCATION_INFO  0x105
1347 #define SMB_QUERY_FILE_END_OF_FILEINFO  0x106
1348 #define SMB_QUERY_FILE_ALL_INFO         0x107
1349 #define SMB_QUERY_ALT_NAME_INFO         0x108
1350 #define SMB_QUERY_FILE_STREAM_INFO      0x109
1351 #define SMB_QUERY_FILE_COMPRESSION_INFO 0x10B
1352 #define SMB_QUERY_FILE_UNIX_BASIC       0x200
1353 #define SMB_QUERY_FILE_UNIX_LINK        0x201
1354 #define SMB_QUERY_POSIX_ACL             0x204
1355 #define SMB_QUERY_XATTR                 0x205
1356 #define SMB_QUERY_ATTR_FLAGS            0x206  /* append,immutable etc. */
1357 #define SMB_QUERY_POSIX_PERMISSION      0x207
1358 #define SMB_QUERY_POSIX_LOCK            0x208
1359 /* #define SMB_POSIX_OPEN               0x209 */
1360 #define SMB_QUERY_FILE_INTERNAL_INFO    0x3ee
1361 #define SMB_QUERY_FILE_ACCESS_INFO      0x3f0
1362 #define SMB_QUERY_FILE_NAME_INFO2       0x3f1 /* 0x30 bytes */
1363 #define SMB_QUERY_FILE_POSITION_INFO    0x3f6
1364 #define SMB_QUERY_FILE_MODE_INFO        0x3f8
1365 #define SMB_QUERY_FILE_ALGN_INFO        0x3f9
1366
1367
1368 #define SMB_SET_FILE_BASIC_INFO         0x101
1369 #define SMB_SET_FILE_DISPOSITION_INFO   0x102
1370 #define SMB_SET_FILE_ALLOCATION_INFO    0x103
1371 #define SMB_SET_FILE_END_OF_FILE_INFO   0x104
1372 #define SMB_SET_FILE_UNIX_BASIC         0x200
1373 #define SMB_SET_FILE_UNIX_LINK          0x201
1374 #define SMB_SET_FILE_UNIX_HLINK         0x203
1375 #define SMB_SET_POSIX_ACL               0x204
1376 #define SMB_SET_XATTR                   0x205
1377 #define SMB_SET_ATTR_FLAGS              0x206  /* append, immutable etc. */
1378 #define SMB_SET_POSIX_LOCK              0x208
1379 #define SMB_POSIX_OPEN                  0x209
1380 #define SMB_SET_FILE_BASIC_INFO2        0x3ec
1381 #define SMB_SET_FILE_RENAME_INFORMATION 0x3f2 /* BB check if qpathinfo level too */
1382 #define SMB_FILE_ALL_INFO2              0x3fa
1383 #define SMB_SET_FILE_ALLOCATION_INFO2   0x3fb
1384 #define SMB_SET_FILE_END_OF_FILE_INFO2  0x3fc
1385 #define SMB_FILE_MOVE_CLUSTER_INFO      0x407
1386 #define SMB_FILE_QUOTA_INFO             0x408
1387 #define SMB_FILE_REPARSEPOINT_INFO      0x409
1388 #define SMB_FILE_MAXIMUM_INFO           0x40d
1389
1390 /* Find File infolevels */
1391 #define SMB_FIND_FILE_INFO_STANDARD       0x001
1392 #define SMB_FIND_FILE_QUERY_EA_SIZE       0x002
1393 #define SMB_FIND_FILE_QUERY_EAS_FROM_LIST 0x003
1394 #define SMB_FIND_FILE_DIRECTORY_INFO      0x101
1395 #define SMB_FIND_FILE_FULL_DIRECTORY_INFO 0x102
1396 #define SMB_FIND_FILE_NAMES_INFO          0x103
1397 #define SMB_FIND_FILE_BOTH_DIRECTORY_INFO 0x104
1398 #define SMB_FIND_FILE_ID_FULL_DIR_INFO    0x105
1399 #define SMB_FIND_FILE_ID_BOTH_DIR_INFO    0x106
1400 #define SMB_FIND_FILE_UNIX                0x202
1401
1402 typedef struct smb_com_transaction2_qpi_req {
1403         struct smb_hdr hdr;     /* wct = 14+ */
1404         __le16 TotalParameterCount;
1405         __le16 TotalDataCount;
1406         __le16 MaxParameterCount;
1407         __le16 MaxDataCount;
1408         __u8 MaxSetupCount;
1409         __u8 Reserved;
1410         __le16 Flags;
1411         __le32 Timeout;
1412         __u16 Reserved2;
1413         __le16 ParameterCount;
1414         __le16 ParameterOffset;
1415         __le16 DataCount;
1416         __le16 DataOffset;
1417         __u8 SetupCount;
1418         __u8 Reserved3;
1419         __le16 SubCommand;      /* one setup word */
1420         __le16 ByteCount;
1421         __u8 Pad;
1422         __le16 InformationLevel;
1423         __u32 Reserved4;
1424         char FileName[1];
1425 } __attribute__((packed)) TRANSACTION2_QPI_REQ;
1426
1427 typedef struct smb_com_transaction2_qpi_rsp {
1428         struct smb_hdr hdr;     /* wct = 10 + SetupCount */
1429         struct trans2_resp t2;
1430         __u16 ByteCount;
1431         __u16 Reserved2;        /* parameter word reserved - present for infolevels > 100 */
1432 } __attribute__((packed)) TRANSACTION2_QPI_RSP;
1433
1434 typedef struct smb_com_transaction2_spi_req {
1435         struct smb_hdr hdr;     /* wct = 15 */
1436         __le16 TotalParameterCount;
1437         __le16 TotalDataCount;
1438         __le16 MaxParameterCount;
1439         __le16 MaxDataCount;
1440         __u8 MaxSetupCount;
1441         __u8 Reserved;
1442         __le16 Flags;
1443         __le32 Timeout;
1444         __u16 Reserved2;
1445         __le16 ParameterCount;
1446         __le16 ParameterOffset;
1447         __le16 DataCount;
1448         __le16 DataOffset;
1449         __u8 SetupCount;
1450         __u8 Reserved3;
1451         __le16 SubCommand;      /* one setup word */
1452         __le16 ByteCount;
1453         __u8 Pad;
1454         __u16 Pad1;
1455         __le16 InformationLevel;
1456         __u32 Reserved4;
1457         char FileName[1];
1458 } __attribute__((packed)) TRANSACTION2_SPI_REQ;
1459
1460 typedef struct smb_com_transaction2_spi_rsp {
1461         struct smb_hdr hdr;     /* wct = 10 + SetupCount */
1462         struct trans2_resp t2;
1463         __u16 ByteCount;
1464         __u16 Reserved2;        /* parameter word reserved - present for infolevels > 100 */
1465 } __attribute__((packed)) TRANSACTION2_SPI_RSP;
1466
1467 struct set_file_rename {
1468         __le32 overwrite;   /* 1 = overwrite dest */
1469         __u32 root_fid;   /* zero */
1470         __le32 target_name_len;
1471         char  target_name[0];  /* Must be unicode */
1472 } __attribute__((packed));
1473
1474 struct smb_com_transaction2_sfi_req {
1475         struct smb_hdr hdr;     /* wct = 15 */
1476         __le16 TotalParameterCount;
1477         __le16 TotalDataCount;
1478         __le16 MaxParameterCount;
1479         __le16 MaxDataCount;
1480         __u8 MaxSetupCount;
1481         __u8 Reserved;
1482         __le16 Flags;
1483         __le32 Timeout;
1484         __u16 Reserved2;
1485         __le16 ParameterCount;
1486         __le16 ParameterOffset;
1487         __le16 DataCount;
1488         __le16 DataOffset;
1489         __u8 SetupCount;
1490         __u8 Reserved3;
1491         __le16 SubCommand;      /* one setup word */
1492         __le16 ByteCount;
1493         __u8 Pad;
1494         __u16 Pad1;
1495         __u16 Fid;
1496         __le16 InformationLevel;
1497         __u16 Reserved4;
1498 } __attribute__((packed));
1499
1500 struct smb_com_transaction2_sfi_rsp {
1501         struct smb_hdr hdr;     /* wct = 10 + SetupCount */
1502         struct trans2_resp t2;
1503         __u16 ByteCount;
1504         __u16 Reserved2;        /* parameter word reserved -
1505                                         present for infolevels > 100 */
1506 } __attribute__((packed));
1507
1508 struct smb_t2_qfi_req {
1509         struct  smb_hdr hdr;
1510         struct  trans2_req t2;
1511         __u8    Pad;
1512         __u16   Fid;
1513         __le16  InformationLevel;
1514 } __attribute__((packed));
1515
1516 struct smb_t2_qfi_rsp {
1517         struct smb_hdr hdr;     /* wct = 10 + SetupCount */
1518         struct trans2_resp t2;
1519         __u16 ByteCount;
1520         __u16 Reserved2;        /* parameter word reserved -
1521                                         present for infolevels > 100 */
1522 } __attribute__((packed));
1523
1524 /*
1525  * Flags on T2 FINDFIRST and FINDNEXT
1526  */
1527 #define CIFS_SEARCH_CLOSE_ALWAYS  0x0001
1528 #define CIFS_SEARCH_CLOSE_AT_END  0x0002
1529 #define CIFS_SEARCH_RETURN_RESUME 0x0004
1530 #define CIFS_SEARCH_CONTINUE_FROM_LAST 0x0008
1531 #define CIFS_SEARCH_BACKUP_SEARCH 0x0010
1532
1533 /*
1534  * Size of the resume key on FINDFIRST and FINDNEXT calls
1535  */
1536 #define CIFS_SMB_RESUME_KEY_SIZE 4
1537
1538 typedef struct smb_com_transaction2_ffirst_req {
1539         struct smb_hdr hdr;     /* wct = 15 */
1540         __le16 TotalParameterCount;
1541         __le16 TotalDataCount;
1542         __le16 MaxParameterCount;
1543         __le16 MaxDataCount;
1544         __u8 MaxSetupCount;
1545         __u8 Reserved;
1546         __le16 Flags;
1547         __le32 Timeout;
1548         __u16 Reserved2;
1549         __le16 ParameterCount;
1550         __le16 ParameterOffset;
1551         __le16 DataCount;
1552         __le16 DataOffset;
1553         __u8 SetupCount;        /* one */
1554         __u8 Reserved3;
1555         __le16 SubCommand;      /* TRANS2_FIND_FIRST */
1556         __le16 ByteCount;
1557         __u8 Pad;
1558         __le16 SearchAttributes;
1559         __le16 SearchCount;
1560         __le16 SearchFlags;
1561         __le16 InformationLevel;
1562         __le32 SearchStorageType;
1563         char FileName[1];
1564 } __attribute__((packed)) TRANSACTION2_FFIRST_REQ;
1565
1566 typedef struct smb_com_transaction2_ffirst_rsp {
1567         struct smb_hdr hdr;     /* wct = 10 */
1568         struct trans2_resp t2;
1569         __u16 ByteCount;
1570 } __attribute__((packed)) TRANSACTION2_FFIRST_RSP;
1571
1572 typedef struct smb_com_transaction2_ffirst_rsp_parms {
1573         __u16 SearchHandle;
1574         __le16 SearchCount;
1575         __le16 EndofSearch;
1576         __le16 EAErrorOffset;
1577         __le16 LastNameOffset;
1578 } __attribute__((packed)) T2_FFIRST_RSP_PARMS;
1579
1580 typedef struct smb_com_transaction2_fnext_req {
1581         struct smb_hdr hdr;     /* wct = 15 */
1582         __le16 TotalParameterCount;
1583         __le16 TotalDataCount;
1584         __le16 MaxParameterCount;
1585         __le16 MaxDataCount;
1586         __u8 MaxSetupCount;
1587         __u8 Reserved;
1588         __le16 Flags;
1589         __le32 Timeout;
1590         __u16 Reserved2;
1591         __le16 ParameterCount;
1592         __le16 ParameterOffset;
1593         __le16 DataCount;
1594         __le16 DataOffset;
1595         __u8 SetupCount;        /* one */
1596         __u8 Reserved3;
1597         __le16 SubCommand;      /* TRANS2_FIND_NEXT */
1598         __le16 ByteCount;
1599         __u8 Pad;
1600         __u16 SearchHandle;
1601         __le16 SearchCount;
1602         __le16 InformationLevel;
1603         __u32 ResumeKey;
1604         __le16 SearchFlags;
1605         char ResumeFileName[1];
1606 } __attribute__((packed)) TRANSACTION2_FNEXT_REQ;
1607
1608 typedef struct smb_com_transaction2_fnext_rsp {
1609         struct smb_hdr hdr;     /* wct = 10 */
1610         struct trans2_resp t2;
1611         __u16 ByteCount;
1612 } __attribute__((packed)) TRANSACTION2_FNEXT_RSP;
1613
1614 typedef struct smb_com_transaction2_fnext_rsp_parms {
1615         __le16 SearchCount;
1616         __le16 EndofSearch;
1617         __le16 EAErrorOffset;
1618         __le16 LastNameOffset;
1619 } __attribute__((packed)) T2_FNEXT_RSP_PARMS;
1620
1621 /* QFSInfo Levels */
1622 #define SMB_INFO_ALLOCATION         1
1623 #define SMB_INFO_VOLUME             2
1624 #define SMB_QUERY_FS_VOLUME_INFO    0x102
1625 #define SMB_QUERY_FS_SIZE_INFO      0x103
1626 #define SMB_QUERY_FS_DEVICE_INFO    0x104
1627 #define SMB_QUERY_FS_ATTRIBUTE_INFO 0x105
1628 #define SMB_QUERY_CIFS_UNIX_INFO    0x200
1629 #define SMB_QUERY_POSIX_FS_INFO     0x201
1630 #define SMB_QUERY_LABEL_INFO        0x3ea
1631 #define SMB_QUERY_FS_QUOTA_INFO     0x3ee
1632 #define SMB_QUERY_FS_FULL_SIZE_INFO 0x3ef
1633 #define SMB_QUERY_OBJECTID_INFO     0x3f0
1634
1635 typedef struct smb_com_transaction2_qfsi_req {
1636         struct smb_hdr hdr;     /* wct = 14+ */
1637         __le16 TotalParameterCount;
1638         __le16 TotalDataCount;
1639         __le16 MaxParameterCount;
1640         __le16 MaxDataCount;
1641         __u8 MaxSetupCount;
1642         __u8 Reserved;
1643         __le16 Flags;
1644         __le32 Timeout;
1645         __u16 Reserved2;
1646         __le16 ParameterCount;
1647         __le16 ParameterOffset;
1648         __le16 DataCount;
1649         __le16 DataOffset;
1650         __u8 SetupCount;
1651         __u8 Reserved3;
1652         __le16 SubCommand;      /* one setup word */
1653         __le16 ByteCount;
1654         __u8 Pad;
1655         __le16 InformationLevel;
1656 } __attribute__((packed)) TRANSACTION2_QFSI_REQ;
1657
1658 typedef struct smb_com_transaction_qfsi_rsp {
1659         struct smb_hdr hdr;     /* wct = 10 + SetupCount */
1660         struct trans2_resp t2;
1661         __u16 ByteCount;
1662         __u8 Pad;               /* may be three bytes *//* followed by data area */
1663 } __attribute__((packed)) TRANSACTION2_QFSI_RSP;
1664
1665
1666 /* SETFSInfo Levels */
1667 #define SMB_SET_CIFS_UNIX_INFO    0x200
1668 typedef struct smb_com_transaction2_setfsi_req {
1669         struct smb_hdr hdr;     /* wct = 15 */
1670         __le16 TotalParameterCount;
1671         __le16 TotalDataCount;
1672         __le16 MaxParameterCount;
1673         __le16 MaxDataCount;
1674         __u8 MaxSetupCount;
1675         __u8 Reserved;
1676         __le16 Flags;
1677         __le32 Timeout;
1678         __u16 Reserved2;
1679         __le16 ParameterCount;  /* 4 */
1680         __le16 ParameterOffset;
1681         __le16 DataCount;       /* 12 */
1682         __le16 DataOffset;
1683         __u8 SetupCount;        /* one */
1684         __u8 Reserved3;
1685         __le16 SubCommand;      /* TRANS2_SET_FS_INFORMATION */
1686         __le16 ByteCount;
1687         __u8 Pad;
1688         __u16 FileNum;          /* Parameters start. */
1689         __le16 InformationLevel;/* Parameters end. */
1690         __le16 ClientUnixMajor; /* Data start. */
1691         __le16 ClientUnixMinor;
1692         __le64 ClientUnixCap;   /* Data end */
1693 } __attribute__((packed)) TRANSACTION2_SETFSI_REQ;
1694
1695 typedef struct smb_com_transaction2_setfsi_rsp {
1696         struct smb_hdr hdr;     /* wct = 10 */
1697         struct trans2_resp t2;
1698         __u16 ByteCount;
1699 } __attribute__((packed)) TRANSACTION2_SETFSI_RSP;
1700
1701
1702 typedef struct smb_com_transaction2_get_dfs_refer_req {
1703         struct smb_hdr hdr;     /* wct = 15 */
1704         __le16 TotalParameterCount;
1705         __le16 TotalDataCount;
1706         __le16 MaxParameterCount;
1707         __le16 MaxDataCount;
1708         __u8 MaxSetupCount;
1709         __u8 Reserved;
1710         __le16 Flags;
1711         __le32 Timeout;
1712         __u16 Reserved2;
1713         __le16 ParameterCount;
1714         __le16 ParameterOffset;
1715         __le16 DataCount;
1716         __le16 DataOffset;
1717         __u8 SetupCount;
1718         __u8 Reserved3;
1719         __le16 SubCommand;      /* one setup word */
1720         __le16 ByteCount;
1721         __u8 Pad[3];            /* Win2K has sent 0x0F01 (max resp length perhaps?) followed by one byte pad - doesn't seem to matter though */
1722         __le16 MaxReferralLevel;
1723         char RequestFileName[1];
1724 } __attribute__((packed)) TRANSACTION2_GET_DFS_REFER_REQ;
1725
1726 typedef struct dfs_referral_level_3 {
1727         __le16 VersionNumber;
1728         __le16 ReferralSize;
1729         __le16 ServerType;      /* 0x0001 = CIFS server */
1730         __le16 ReferralFlags;   /* or proximity - not clear which since always set to zero - SNIA spec says 0x01 means strip off PathConsumed chars before submitting RequestFileName to remote node */
1731         __le16 TimeToLive;
1732         __le16 Proximity;
1733         __le16 DfsPathOffset;
1734         __le16 DfsAlternatePathOffset;
1735         __le16 NetworkAddressOffset;
1736 } __attribute__((packed)) REFERRAL3;
1737
1738 typedef struct smb_com_transaction_get_dfs_refer_rsp {
1739         struct smb_hdr hdr;     /* wct = 10 */
1740         struct trans2_resp t2;
1741         __u16 ByteCount;
1742         __u8 Pad;
1743         __le16 PathConsumed;
1744         __le16 NumberOfReferrals;
1745         __le16 DFSFlags;
1746         __u16 Pad2;
1747         REFERRAL3 referrals[1]; /* array of level 3 dfs_referral structures */
1748         /* followed by the strings pointed to by the referral structures */
1749 } __attribute__((packed)) TRANSACTION2_GET_DFS_REFER_RSP;
1750
1751 /* DFS Flags */
1752 #define DFSREF_REFERRAL_SERVER  0x0001
1753 #define DFSREF_STORAGE_SERVER   0x0002
1754
1755 /* IOCTL information */
1756 /* List of ioctl function codes that look to be of interest to remote clients like this. */
1757 /* Need to do some experimentation to make sure they all work remotely.                  */
1758 /* Some of the following such as the encryption/compression ones would be                */
1759 /* invoked from tools via a specialized hook into the VFS rather than via the            */
1760 /* standard vfs entry points */
1761 #define FSCTL_REQUEST_OPLOCK_LEVEL_1 0x00090000
1762 #define FSCTL_REQUEST_OPLOCK_LEVEL_2 0x00090004
1763 #define FSCTL_REQUEST_BATCH_OPLOCK   0x00090008
1764 #define FSCTL_LOCK_VOLUME            0x00090018
1765 #define FSCTL_UNLOCK_VOLUME          0x0009001C
1766 #define FSCTL_GET_COMPRESSION        0x0009003C
1767 #define FSCTL_SET_COMPRESSION        0x0009C040
1768 #define FSCTL_REQUEST_FILTER_OPLOCK  0x0009008C
1769 #define FSCTL_FILESYS_GET_STATISTICS 0x00090090
1770 #define FSCTL_SET_REPARSE_POINT      0x000900A4
1771 #define FSCTL_GET_REPARSE_POINT      0x000900A8
1772 #define FSCTL_DELETE_REPARSE_POINT   0x000900AC
1773 #define FSCTL_SET_SPARSE             0x000900C4
1774 #define FSCTL_SET_ZERO_DATA          0x000900C8
1775 #define FSCTL_SET_ENCRYPTION         0x000900D7
1776 #define FSCTL_ENCRYPTION_FSCTL_IO    0x000900DB
1777 #define FSCTL_WRITE_RAW_ENCRYPTED    0x000900DF
1778 #define FSCTL_READ_RAW_ENCRYPTED     0x000900E3
1779 #define FSCTL_SIS_COPYFILE           0x00090100
1780 #define FSCTL_SIS_LINK_FILES         0x0009C104
1781
1782 #define IO_REPARSE_TAG_MOUNT_POINT   0xA0000003
1783 #define IO_REPARSE_TAG_HSM           0xC0000004
1784 #define IO_REPARSE_TAG_SIS           0x80000007
1785
1786 /*
1787  ************************************************************************
1788  * All structs for everything above the SMB PDUs themselves
1789  * (such as the T2 level specific data) go here
1790  ************************************************************************
1791  */
1792
1793 /*
1794  * Information on a server
1795  */
1796
1797 struct serverInfo {
1798         char name[16];
1799         unsigned char versionMajor;
1800         unsigned char versionMinor;
1801         unsigned long type;
1802         unsigned int commentOffset;
1803 } __attribute__((packed));
1804
1805 /*
1806  * The following structure is the format of the data returned on a NetShareEnum
1807  * with level "90" (x5A)
1808  */
1809
1810 struct shareInfo {
1811         char shareName[13];
1812         char pad;
1813         unsigned short type;
1814         unsigned int commentOffset;
1815 } __attribute__((packed));
1816
1817 struct aliasInfo {
1818         char aliasName[9];
1819         char pad;
1820         unsigned int commentOffset;
1821         unsigned char type[2];
1822 } __attribute__((packed));
1823
1824 struct aliasInfo92 {
1825         int aliasNameOffset;
1826         int serverNameOffset;
1827         int shareNameOffset;
1828 } __attribute__((packed));
1829
1830 typedef struct {
1831         __le64 TotalAllocationUnits;
1832         __le64 FreeAllocationUnits;
1833         __le32 SectorsPerAllocationUnit;
1834         __le32 BytesPerSector;
1835 } __attribute__((packed)) FILE_SYSTEM_INFO;             /* size info, level 0x103 */
1836
1837 typedef struct {
1838         __le32 fsid;
1839         __le32 SectorsPerAllocationUnit;
1840         __le32 TotalAllocationUnits;
1841         __le32 FreeAllocationUnits;
1842         __le16  BytesPerSector;
1843 } __attribute__((packed)) FILE_SYSTEM_ALLOC_INFO;
1844
1845 typedef struct {
1846         __le16 MajorVersionNumber;
1847         __le16 MinorVersionNumber;
1848         __le64 Capability;
1849 } __attribute__((packed)) FILE_SYSTEM_UNIX_INFO;        /* Unix extensions info, level 0x200 */
1850
1851 /* Version numbers for CIFS UNIX major and minor. */
1852 #define CIFS_UNIX_MAJOR_VERSION 1
1853 #define CIFS_UNIX_MINOR_VERSION 0
1854
1855 /* Linux/Unix extensions capability flags */
1856 #define CIFS_UNIX_FCNTL_CAP             0x00000001 /* support for fcntl locks */
1857 #define CIFS_UNIX_POSIX_ACL_CAP         0x00000002 /* support getfacl/setfacl */
1858 #define CIFS_UNIX_XATTR_CAP             0x00000004 /* support new namespace   */
1859 #define CIFS_UNIX_EXTATTR_CAP           0x00000008 /* support chattr/chflag   */
1860 #define CIFS_UNIX_POSIX_PATHNAMES_CAP   0x00000010 /* Allow POSIX path chars  */
1861 #ifdef CONFIG_CIFS_POSIX
1862 #define CIFS_UNIX_CAP_MASK              0x0000001b
1863 #else
1864 #define CIFS_UNIX_CAP_MASK              0x00000013
1865 #endif /* CONFIG_CIFS_POSIX */
1866
1867
1868 #define CIFS_POSIX_EXTENSIONS           0x00000010 /* support for new QFSInfo */
1869
1870 typedef struct {
1871         /* For undefined recommended transfer size return -1 in that field */
1872         __le32 OptimalTransferSize;  /* bsize on some os, iosize on other os */
1873         __le32 BlockSize;
1874     /* The next three fields are in terms of the block size.
1875         (above). If block size is unknown, 4096 would be a
1876         reasonable block size for a server to report.
1877         Note that returning the blocks/blocksavail removes need
1878         to make a second call (to QFSInfo level 0x103 to get this info.
1879         UserBlockAvail is typically less than or equal to BlocksAvail,
1880         if no distinction is made return the same value in each */
1881         __le64 TotalBlocks;
1882         __le64 BlocksAvail;       /* bfree */
1883         __le64 UserBlocksAvail;   /* bavail */
1884     /* For undefined Node fields or FSID return -1 */
1885         __le64 TotalFileNodes;
1886         __le64 FreeFileNodes;
1887         __le64 FileSysIdentifier;   /* fsid */
1888         /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */
1889         /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call   */
1890 } __attribute__((packed)) FILE_SYSTEM_POSIX_INFO;
1891
1892 /* DeviceType Flags */
1893 #define FILE_DEVICE_CD_ROM              0x00000002
1894 #define FILE_DEVICE_CD_ROM_FILE_SYSTEM  0x00000003
1895 #define FILE_DEVICE_DFS                 0x00000006
1896 #define FILE_DEVICE_DISK                0x00000007
1897 #define FILE_DEVICE_DISK_FILE_SYSTEM    0x00000008
1898 #define FILE_DEVICE_FILE_SYSTEM         0x00000009
1899 #define FILE_DEVICE_NAMED_PIPE          0x00000011
1900 #define FILE_DEVICE_NETWORK             0x00000012
1901 #define FILE_DEVICE_NETWORK_FILE_SYSTEM 0x00000014
1902 #define FILE_DEVICE_NULL                0x00000015
1903 #define FILE_DEVICE_PARALLEL_PORT       0x00000016
1904 #define FILE_DEVICE_PRINTER             0x00000018
1905 #define FILE_DEVICE_SERIAL_PORT         0x0000001b
1906 #define FILE_DEVICE_STREAMS             0x0000001e
1907 #define FILE_DEVICE_TAPE                0x0000001f
1908 #define FILE_DEVICE_TAPE_FILE_SYSTEM    0x00000020
1909 #define FILE_DEVICE_VIRTUAL_DISK        0x00000024
1910 #define FILE_DEVICE_NETWORK_REDIRECTOR  0x00000028
1911
1912 typedef struct {
1913         __le32 DeviceType;
1914         __le32 DeviceCharacteristics;
1915 } __attribute__((packed)) FILE_SYSTEM_DEVICE_INFO; /* device info level 0x104 */
1916
1917 typedef struct {
1918         __le32 Attributes;
1919         __le32 MaxPathNameComponentLength;
1920         __le32 FileSystemNameLen;
1921         char FileSystemName[52]; /* do not have to save this - get subset? */
1922 } __attribute__((packed)) FILE_SYSTEM_ATTRIBUTE_INFO;
1923
1924 /******************************************************************************/
1925 /* QueryFileInfo/QueryPathinfo (also for SetPath/SetFile) data buffer formats */
1926 /******************************************************************************/
1927 typedef struct { /* data block encoding of response to level 263 QPathInfo */
1928         __le64 CreationTime;
1929         __le64 LastAccessTime;
1930         __le64 LastWriteTime;
1931         __le64 ChangeTime;
1932         __le32 Attributes;
1933         __u32 Pad1;
1934         __le64 AllocationSize;
1935         __le64 EndOfFile;       /* size ie offset to first free byte in file */
1936         __le32 NumberOfLinks;   /* hard links */
1937         __u8 DeletePending;
1938         __u8 Directory;
1939         __u16 Pad2;
1940         __u64 IndexNumber;
1941         __le32 EASize;
1942         __le32 AccessFlags;
1943         __u64 IndexNumber1;
1944         __le64 CurrentByteOffset;
1945         __le32 Mode;
1946         __le32 AlignmentRequirement;
1947         __le32 FileNameLength;
1948         char FileName[1];
1949 } __attribute__((packed)) FILE_ALL_INFO;                /* level 0x107 QPathInfo */
1950
1951 /* defines for enumerating possible values of the Unix type field below */
1952 #define UNIX_FILE      0
1953 #define UNIX_DIR       1
1954 #define UNIX_SYMLINK   2
1955 #define UNIX_CHARDEV   3
1956 #define UNIX_BLOCKDEV  4
1957 #define UNIX_FIFO      5
1958 #define UNIX_SOCKET    6
1959 typedef struct {
1960         __le64 EndOfFile;
1961         __le64 NumOfBytes;
1962         __le64 LastStatusChange; /*SNIA specs DCE time for the 3 time fields */
1963         __le64 LastAccessTime;
1964         __le64 LastModificationTime;
1965         __le64 Uid;
1966         __le64 Gid;
1967         __le32 Type;
1968         __le64 DevMajor;
1969         __le64 DevMinor;
1970         __u64 UniqueId;
1971         __le64 Permissions;
1972         __le64 Nlinks;
1973 } __attribute__((packed)) FILE_UNIX_BASIC_INFO;         /* level 0x200 QPathInfo */
1974
1975 typedef struct {
1976         char LinkDest[1];
1977 } __attribute__((packed)) FILE_UNIX_LINK_INFO;          /* level 0x201 QPathInfo */
1978
1979 /* The following three structures are needed only for
1980         setting time to NT4 and some older servers via
1981         the primitive DOS time format */
1982 typedef struct {
1983         __u16 Day:5;
1984         __u16 Month:4;
1985         __u16 Year:7;
1986 } __attribute__((packed)) SMB_DATE;
1987
1988 typedef struct {
1989         __u16 TwoSeconds:5;
1990         __u16 Minutes:6;
1991         __u16 Hours:5;
1992 } __attribute__((packed)) SMB_TIME;
1993
1994 typedef struct {
1995         __le16 CreationDate; /* SMB Date see above */
1996         __le16 CreationTime; /* SMB Time */
1997         __le16 LastAccessDate;
1998         __le16 LastAccessTime;
1999         __le16 LastWriteDate;
2000         __le16 LastWriteTime;
2001         __le32 DataSize; /* File Size (EOF) */
2002         __le32 AllocationSize;
2003         __le16 Attributes; /* verify not u32 */
2004         __le32 EASize;
2005 } __attribute__((packed)) FILE_INFO_STANDARD;  /* level 1 SetPath/FileInfo */
2006
2007 typedef struct {
2008         __le64 CreationTime;
2009         __le64 LastAccessTime;
2010         __le64 LastWriteTime;
2011         __le64 ChangeTime;
2012         __le32 Attributes;
2013         __u32 Pad;
2014 } __attribute__((packed)) FILE_BASIC_INFO;              /* size info, level 0x101 */
2015
2016 struct file_allocation_info {
2017         __le64 AllocationSize; /* Note old Samba srvr rounds this up too much */
2018 } __attribute__((packed));      /* size used on disk, for level 0x103 for set,
2019                                    0x105 for query */
2020
2021 struct file_end_of_file_info {
2022         __le64 FileSize;                /* offset to end of file */
2023 } __attribute__((packed));      /* size info, level 0x104 for set, 0x106 for query */
2024
2025 struct file_alt_name_info {
2026         __u8   alt_name[1];
2027 } __attribute__((packed));      /* level 0x0108 */
2028
2029 struct file_stream_info {
2030         __le32 number_of_streams;  /* BB check sizes and verify location */
2031         /* followed by info on streams themselves
2032                 u64 size;
2033                 u64 allocation_size
2034                 stream info */
2035 };      /* level 0x109 */
2036
2037 struct file_compression_info {
2038         __le64 compressed_size;
2039         __le16 format;
2040         __u8   unit_shift;
2041         __u8   ch_shift;
2042         __u8   cl_shift;
2043         __u8   pad[3];
2044 } __attribute__((packed));      /* level 0x10b */
2045
2046 /* POSIX ACL set/query path info structures */
2047 #define CIFS_ACL_VERSION 1
2048 struct cifs_posix_ace { /* access control entry (ACE) */
2049         __u8  cifs_e_tag;
2050         __u8  cifs_e_perm;
2051         __le64 cifs_uid; /* or gid */
2052 } __attribute__((packed));
2053
2054 struct cifs_posix_acl { /* access conrol list  (ACL) */
2055         __le16  version;
2056         __le16  access_entry_count;  /* access ACL - count of entries */
2057         __le16  default_entry_count; /* default ACL - count of entries */
2058         struct cifs_posix_ace ace_array[0];
2059         /* followed by
2060         struct cifs_posix_ace default_ace_arraay[] */
2061 } __attribute__((packed));  /* level 0x204 */
2062
2063 /* types of access control entries already defined in posix_acl.h */
2064 /* #define CIFS_POSIX_ACL_USER_OBJ       0x01
2065 #define CIFS_POSIX_ACL_USER      0x02
2066 #define CIFS_POSIX_ACL_GROUP_OBJ 0x04
2067 #define CIFS_POSIX_ACL_GROUP     0x08
2068 #define CIFS_POSIX_ACL_MASK      0x10
2069 #define CIFS_POSIX_ACL_OTHER     0x20 */
2070
2071 /* types of perms */
2072 /* #define CIFS_POSIX_ACL_EXECUTE   0x01
2073 #define CIFS_POSIX_ACL_WRITE     0x02
2074 #define CIFS_POSIX_ACL_READ          0x04 */
2075
2076 /* end of POSIX ACL definitions */
2077
2078 struct file_internal_info {
2079         __u64  UniqueId; /* inode number */
2080 } __attribute__((packed));      /* level 0x3ee */
2081 struct file_mode_info {
2082         __le32  Mode;
2083 } __attribute__((packed));      /* level 0x3f8 */
2084
2085 struct file_attrib_tag {
2086         __le32 Attribute;
2087         __le32 ReparseTag;
2088 } __attribute__((packed));      /* level 0x40b */
2089
2090
2091 /********************************************************/
2092 /*  FindFirst/FindNext transact2 data buffer formats    */
2093 /********************************************************/
2094
2095 typedef struct {
2096         __le32 NextEntryOffset;
2097         __u32 ResumeKey; /* as with FileIndex - no need to convert */
2098         __le64 EndOfFile;
2099         __le64 NumOfBytes;
2100         __le64 LastStatusChange; /*SNIA specs DCE time for the 3 time fields */
2101         __le64 LastAccessTime;
2102         __le64 LastModificationTime;
2103         __le64 Uid;
2104         __le64 Gid;
2105         __le32 Type;
2106         __le64 DevMajor;
2107         __le64 DevMinor;
2108         __u64 UniqueId;
2109         __le64 Permissions;
2110         __le64 Nlinks;
2111         char FileName[1];
2112 } __attribute__((packed)) FILE_UNIX_INFO; /* level 0x202 */
2113
2114 typedef struct {
2115         __le32 NextEntryOffset;
2116         __u32 FileIndex;
2117         __le64 CreationTime;
2118         __le64 LastAccessTime;
2119         __le64 LastWriteTime;
2120         __le64 ChangeTime;
2121         __le64 EndOfFile;
2122         __le64 AllocationSize;
2123         __le32 ExtFileAttributes;
2124         __le32 FileNameLength;
2125         char FileName[1];
2126 } __attribute__((packed)) FILE_DIRECTORY_INFO;   /* level 0x101 FF resp data */
2127
2128 typedef struct {
2129         __le32 NextEntryOffset;
2130         __u32 FileIndex;
2131         __le64 CreationTime;
2132         __le64 LastAccessTime;
2133         __le64 LastWriteTime;
2134         __le64 ChangeTime;
2135         __le64 EndOfFile;
2136         __le64 AllocationSize;
2137         __le32 ExtFileAttributes;
2138         __le32 FileNameLength;
2139         __le32 EaSize; /* length of the xattrs */
2140         char FileName[1];
2141 } __attribute__((packed)) FILE_FULL_DIRECTORY_INFO; /* level 0x102 rsp data */
2142
2143 typedef struct {
2144         __le32 NextEntryOffset;
2145         __u32 FileIndex;
2146         __le64 CreationTime;
2147         __le64 LastAccessTime;
2148         __le64 LastWriteTime;
2149         __le64 ChangeTime;
2150         __le64 EndOfFile;
2151         __le64 AllocationSize;
2152         __le32 ExtFileAttributes;
2153         __le32 FileNameLength;
2154         __le32 EaSize; /* EA size */
2155         __le32 Reserved;
2156         __u64 UniqueId; /* inode num - le since Samba puts ino in low 32 bit*/
2157         char FileName[1];
2158 } __attribute__((packed)) SEARCH_ID_FULL_DIR_INFO; /* level 0x105 FF rsp data */
2159
2160 typedef struct {
2161         __le32 NextEntryOffset;
2162         __u32 FileIndex;
2163         __le64 CreationTime;
2164         __le64 LastAccessTime;
2165         __le64 LastWriteTime;
2166         __le64 ChangeTime;
2167         __le64 EndOfFile;
2168         __le64 AllocationSize;
2169         __le32 ExtFileAttributes;
2170         __le32 FileNameLength;
2171         __le32 EaSize; /* length of the xattrs */
2172         __u8   ShortNameLength;
2173         __u8   Reserved;
2174         __u8   ShortName[12];
2175         char FileName[1];
2176 } __attribute__((packed)) FILE_BOTH_DIRECTORY_INFO; /* level 0x104 FFrsp data */
2177
2178 typedef struct {
2179         __u32  ResumeKey;
2180         __le16 CreationDate; /* SMB Date */
2181         __le16 CreationTime; /* SMB Time */
2182         __le16 LastAccessDate;
2183         __le16 LastAccessTime;
2184         __le16 LastWriteDate;
2185         __le16 LastWriteTime;
2186         __le32 DataSize; /* File Size (EOF) */
2187         __le32 AllocationSize;
2188         __le16 Attributes; /* verify not u32 */
2189         __u8   FileNameLength;
2190         char FileName[1];
2191 } __attribute__((packed)) FIND_FILE_STANDARD_INFO; /* level 0x1 FF resp data */
2192
2193
2194 struct win_dev {
2195         unsigned char type[8]; /* IntxCHR or IntxBLK */
2196         __le64 major;
2197         __le64 minor;
2198 } __attribute__((packed));
2199
2200 struct gea {
2201         unsigned char name_len;
2202         char name[1];
2203 } __attribute__((packed));
2204
2205 struct gealist {
2206         unsigned long list_len;
2207         struct gea list[1];
2208 } __attribute__((packed));
2209
2210 struct fea {
2211         unsigned char EA_flags;
2212         __u8 name_len;
2213         __le16 value_len;
2214         char name[1];
2215         /* optionally followed by value */
2216 } __attribute__((packed));
2217 /* flags for _FEA.fEA */
2218 #define FEA_NEEDEA         0x80 /* need EA bit */
2219
2220 struct fealist {
2221         __le32 list_len;
2222         struct fea list[1];
2223 } __attribute__((packed));
2224
2225 /* used to hold an arbitrary blob of data */
2226 struct data_blob {
2227         __u8 *data;
2228         size_t length;
2229         void (*free) (struct data_blob * data_blob);
2230 } __attribute__((packed));
2231
2232
2233 #ifdef CONFIG_CIFS_POSIX
2234 /*
2235         For better POSIX semantics from Linux client, (even better
2236         than the existing CIFS Unix Extensions) we need updated PDUs for:
2237
2238         1) PosixCreateX - to set and return the mode, inode#, device info and
2239         perhaps add a CreateDevice - to create Pipes and other special .inodes
2240         Also note POSIX open flags
2241         2) Close - to return the last write time to do cache across close more safely
2242         3) FindFirst return unique inode number - what about resume key, two
2243         forms short (matches readdir) and full (enough info to cache inodes)
2244         4) Mkdir - set mode
2245
2246         And under consideration:
2247         5) FindClose2 (return nanosecond timestamp ??)
2248         6) Use nanosecond timestamps throughout all time fields if
2249            corresponding attribute flag is set
2250         7) sendfile - handle based copy
2251         8) Direct i/o
2252         9) Misc fcntls?
2253
2254         what about fixing 64 bit alignment
2255
2256         There are also various legacy SMB/CIFS requests used as is
2257
2258         From existing Lanman and NTLM dialects:
2259         --------------------------------------
2260         NEGOTIATE
2261         SESSION_SETUP_ANDX (BB which?)
2262         TREE_CONNECT_ANDX (BB which wct?)
2263         TREE_DISCONNECT (BB add volume timestamp on response)
2264         LOGOFF_ANDX
2265         DELETE (note delete open file behavior)
2266         DELETE_DIRECTORY
2267         READ_AND_X
2268         WRITE_AND_X
2269         LOCKING_AND_X (note posix lock semantics)
2270         RENAME (note rename across dirs and open file rename posix behaviors)
2271         NT_RENAME (for hardlinks) Is this good enough for all features?
2272         FIND_CLOSE2
2273         TRANSACTION2 (18 cases)
2274                 SMB_SET_FILE_END_OF_FILE_INFO2 SMB_SET_PATH_END_OF_FILE_INFO2
2275                 (BB verify that never need to set allocation size)
2276                 SMB_SET_FILE_BASIC_INFO2 (setting times - BB can it be done via Unix ext?)
2277
2278         COPY (note support for copy across directories) - FUTURE, OPTIONAL
2279         setting/getting OS/2 EAs - FUTURE (BB can this handle
2280         setting Linux xattrs perfectly)         - OPTIONAL
2281         dnotify                                 - FUTURE, OPTIONAL
2282         quota                                   - FUTURE, OPTIONAL
2283
2284         Note that various requests implemented for NT interop such as
2285                 NT_TRANSACT (IOCTL) QueryReparseInfo
2286         are unneeded to servers compliant with the CIFS POSIX extensions
2287
2288         From CIFS Unix Extensions:
2289         -------------------------
2290         T2 SET_PATH_INFO (SMB_SET_FILE_UNIX_LINK) for symlinks
2291         T2 SET_PATH_INFO (SMB_SET_FILE_BASIC_INFO2)
2292         T2 QUERY_PATH_INFO (SMB_QUERY_FILE_UNIX_LINK)
2293         T2 QUERY_PATH_INFO (SMB_QUERY_FILE_UNIX_BASIC) - BB check for missing inode fields
2294                                         Actually need QUERY_FILE_UNIX_INFO since has inode num
2295                                         BB what about a) blksize/blkbits/blocks
2296                                                                   b) i_version
2297                                                                   c) i_rdev
2298                                                                   d) notify mask?
2299                                                                   e) generation
2300                                                                   f) size_seqcount
2301         T2 FIND_FIRST/FIND_NEXT FIND_FILE_UNIX
2302         TRANS2_GET_DFS_REFERRAL                           - OPTIONAL but recommended
2303         T2_QFS_INFO QueryDevice/AttributeInfo - OPTIONAL
2304
2305
2306  */
2307
2308 /* xsymlink is a symlink format (used by MacOS) that can be used
2309    to save symlink info in a regular file when
2310    mounted to operating systems that do not
2311    support the cifs Unix extensions or EAs (for xattr
2312    based symlinks).  For such a file to be recognized
2313    as containing symlink data:
2314
2315    1) file size must be 1067,
2316    2) signature must begin file data,
2317    3) length field must be set to ASCII representation
2318         of a number which is less than or equal to 1024,
2319    4) md5 must match that of the path data */
2320
2321 struct xsymlink {
2322         /* 1067 bytes */
2323         char signature[4]; /* XSym */ /* not null terminated */
2324         char cr0;         /* \n */
2325 /* ASCII representation of length (4 bytes decimal) terminated by \n not null */
2326         char length[4];
2327         char cr1;         /* \n */
2328 /* md5 of valid subset of path ie path[0] through path[length-1] */
2329         __u8 md5[32];
2330         char cr2;        /* \n */
2331 /* if room left, then end with \n then 0x20s by convention but not required */
2332         char path[1024];
2333 } __attribute__((packed));
2334
2335 typedef struct file_xattr_info {
2336         /* BB do we need another field for flags? BB */
2337         __u32 xattr_name_len;
2338         __u32 xattr_value_len;
2339         char  xattr_name[0];
2340         /* followed by xattr_value[xattr_value_len], no pad */
2341 } __attribute__((packed)) FILE_XATTR_INFO;      /* extended attribute, info level 0x205 */
2342
2343
2344 /* flags for chattr command */
2345 #define EXT_SECURE_DELETE               0x00000001 /* EXT3_SECRM_FL */
2346 #define EXT_ENABLE_UNDELETE             0x00000002 /* EXT3_UNRM_FL */
2347 /* Reserved for compress file 0x4 */
2348 #define EXT_SYNCHRONOUS                 0x00000008 /* EXT3_SYNC_FL */
2349 #define EXT_IMMUTABLE_FL                0x00000010 /* EXT3_IMMUTABLE_FL */
2350 #define EXT_OPEN_APPEND_ONLY            0x00000020 /* EXT3_APPEND_FL */
2351 #define EXT_DO_NOT_BACKUP               0x00000040 /* EXT3_NODUMP_FL */
2352 #define EXT_NO_UPDATE_ATIME             0x00000080 /* EXT3_NOATIME_FL */
2353 /* 0x100 through 0x800 reserved for compression flags and are GET-ONLY */
2354 #define EXT_HASH_TREE_INDEXED_DIR       0x00001000 /* GET-ONLY EXT3_INDEX_FL */
2355 /* 0x2000 reserved for IMAGIC_FL */
2356 #define EXT_JOURNAL_THIS_FILE   0x00004000 /* GET-ONLY EXT3_JOURNAL_DATA_FL */
2357 /* 0x8000 reserved for EXT3_NOTAIL_FL */
2358 #define EXT_SYNCHRONOUS_DIR             0x00010000 /* EXT3_DIRSYNC_FL */
2359 #define EXT_TOPDIR                      0x00020000 /* EXT3_TOPDIR_FL */
2360
2361 #define EXT_SET_MASK                    0x000300FF
2362 #define EXT_GET_MASK                    0x0003DFFF
2363
2364 typedef struct file_chattr_info {
2365         __le64  mask; /* list of all possible attribute bits */
2366         __le64  mode; /* list of actual attribute bits on this inode */
2367 } __attribute__((packed)) FILE_CHATTR_INFO;  /* ext attributes (chattr, chflags) level 0x206 */
2368
2369 #endif
2370
2371 #endif                          /* _CIFSPDU_H */