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