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[CIFS] Update cifs version number
[linux-2.6-block.git] / fs / cifs / cifspdu.h
CommitLineData
1da177e4
LT		 1/*
2 * fs/cifs/cifspdu.h
3 *
675c4679 4 * Copyright (c) International Business Machines Corp., 2002,2008
1da177e4
LT		 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
3979877e 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
1da177e4
LT		 20 */
21
22#ifndef _CIFSPDU_H
23#define _CIFSPDU_H
24
25#include <net/sock.h>
26
3979877e
SF		 27#ifdef CONFIG_CIFS_WEAK_PW_HASH
28#define LANMAN_PROT 0
9ac00b7d
SF		 29#define LANMAN2_PROT 1
30#define CIFS_PROT 2
3979877e 31#else
1da177e4 32#define CIFS_PROT 0
3979877e
SF		 33#endif
34#define POSIX_PROT CIFS_PROT+1
35#define BAD_PROT 0xFFFF
1da177e4
LT		 36
37/* SMB command codes */
c14e894b
SF		 38/*
39 * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses
40 * (ie which include no useful data other than the SMB error code itself).
41 * Knowing this helps avoid response buffer allocations and copy in some cases
42 */
1da177e4
LT		 43#define SMB_COM_CREATE_DIRECTORY 0x00 /* trivial response */
44#define SMB_COM_DELETE_DIRECTORY 0x01 /* trivial response */
45#define SMB_COM_CLOSE 0x04 /* triv req/rsp, timestamp ignored */
46#define SMB_COM_DELETE 0x06 /* trivial response */
47#define SMB_COM_RENAME 0x07 /* trivial response */
6b8edfe0 48#define SMB_COM_QUERY_INFORMATION 0x08 /* aka getattr */
1da177e4
LT		 49#define SMB_COM_SETATTR 0x09 /* trivial response */
50#define SMB_COM_LOCKING_ANDX 0x24 /* trivial response */
51#define SMB_COM_COPY 0x29 /* trivial rsp, fail filename ignrd*/
a9d02ad4 52#define SMB_COM_OPEN_ANDX 0x2D /* Legacy open for old servers */
1da177e4
LT		 53#define SMB_COM_READ_ANDX 0x2E
54#define SMB_COM_WRITE_ANDX 0x2F
55#define SMB_COM_TRANSACTION2 0x32
56#define SMB_COM_TRANSACTION2_SECONDARY 0x33
57#define SMB_COM_FIND_CLOSE2 0x34 /* trivial response */
58#define SMB_COM_TREE_DISCONNECT 0x71 /* trivial response */
59#define SMB_COM_NEGOTIATE 0x72
60#define SMB_COM_SESSION_SETUP_ANDX 0x73
61#define SMB_COM_LOGOFF_ANDX 0x74 /* trivial response */
62#define SMB_COM_TREE_CONNECT_ANDX 0x75
63#define SMB_COM_NT_TRANSACT 0xA0
64#define SMB_COM_NT_TRANSACT_SECONDARY 0xA1
65#define SMB_COM_NT_CREATE_ANDX 0xA2
ff5dbd9e 66#define SMB_COM_NT_CANCEL 0xA4 /* no response */
1da177e4
LT		 67#define SMB_COM_NT_RENAME 0xA5 /* trivial response */
68
69/* Transact2 subcommand codes */
70#define TRANS2_OPEN 0x00
71#define TRANS2_FIND_FIRST 0x01
72#define TRANS2_FIND_NEXT 0x02
73#define TRANS2_QUERY_FS_INFORMATION 0x03
ac67055e 74#define TRANS2_SET_FS_INFORMATION 0x04
1da177e4
LT		 75#define TRANS2_QUERY_PATH_INFORMATION 0x05
76#define TRANS2_SET_PATH_INFORMATION 0x06
77#define TRANS2_QUERY_FILE_INFORMATION 0x07
78#define TRANS2_SET_FILE_INFORMATION 0x08
79#define TRANS2_GET_DFS_REFERRAL 0x10
80#define TRANS2_REPORT_DFS_INCOSISTENCY 0x11
81
82/* NT Transact subcommand codes */
83#define NT_TRANSACT_CREATE 0x01
84#define NT_TRANSACT_IOCTL 0x02
85#define NT_TRANSACT_SET_SECURITY_DESC 0x03
86#define NT_TRANSACT_NOTIFY_CHANGE 0x04
87#define NT_TRANSACT_RENAME 0x05
88#define NT_TRANSACT_QUERY_SECURITY_DESC 0x06
89#define NT_TRANSACT_GET_USER_QUOTA 0x07
90#define NT_TRANSACT_SET_USER_QUOTA 0x08
91
ec637e3f
SF		 92#define MAX_CIFS_SMALL_BUFFER_SIZE 448 /* big enough for most */
93/* future chained NTCreateXReadX bigger, but for time being NTCreateX biggest */
94/* among the requests (NTCreateX response is bigger with wct of 34) */
95#define MAX_CIFS_HDR_SIZE 0x58 /* 4 len + 32 hdr + (2*24 wct) + 2 bct + 2 pad */
96#define CIFS_SMALL_PATH 120 /* allows for (448-88)/3 */
1da177e4
LT		 97
98/* internal cifs vfs structures */
99/*****************************************************************
100 * All constants go here
101 *****************************************************************
102 */
103
104/*
105 * Starting value for maximum SMB size negotiation
106 */
107#define CIFS_MAX_MSGSIZE (4*4096)
108
109/*
110 * Size of encrypted user password in bytes
111 */
112#define CIFS_ENCPWD_SIZE (16)
113
114/*
115 * Size of the crypto key returned on the negotiate SMB in bytes
116 */
117#define CIFS_CRYPTO_KEY_SIZE (8)
118
119/*
120 * Size of the session key (crypto key encrypted with the password
121 */
7c7b25bc 122#define CIFS_SESS_KEY_SIZE (24)
1da177e4
LT		 123
124/*
125 * Maximum user name length
126 */
127#define CIFS_UNLEN (20)
128
129/*
130 * Flags on SMB open
131 */
132#define SMBOPEN_WRITE_THROUGH 0x4000
133#define SMBOPEN_DENY_ALL 0x0010
134#define SMBOPEN_DENY_WRITE 0x0020
135#define SMBOPEN_DENY_READ 0x0030
136#define SMBOPEN_DENY_NONE 0x0040
137#define SMBOPEN_READ 0x0000
138#define SMBOPEN_WRITE 0x0001
139#define SMBOPEN_READWRITE 0x0002
140#define SMBOPEN_EXECUTE 0x0003
141
142#define SMBOPEN_OCREATE 0x0010
143#define SMBOPEN_OTRUNC 0x0002
144#define SMBOPEN_OAPPEND 0x0001
145
146/*
50c2f753 147 * SMB flag definitions
1da177e4 148 */
0753ca7b 149#define SMBFLG_EXTD_LOCK 0x01 /* server supports lock-read write-unlock smb */
1da177e4
LT		 150#define SMBFLG_RCV_POSTED 0x02 /* obsolete */
151#define SMBFLG_RSVD 0x04
0753ca7b
SF		 152#define SMBFLG_CASELESS 0x08 /* all pathnames treated as caseless (off
153 implies case sensitive file handling request) */
1da177e4
LT		 154#define SMBFLG_CANONICAL_PATH_FORMAT 0x10 /* obsolete */
155#define SMBFLG_OLD_OPLOCK 0x20 /* obsolete */
156#define SMBFLG_OLD_OPLOCK_NOTIFY 0x40 /* obsolete */
157#define SMBFLG_RESPONSE 0x80 /* this PDU is a response from server */
158
159/*
50c2f753 160 * SMB flag2 definitions
1da177e4 161 */
50c2f753 162#define SMBFLG2_KNOWS_LONG_NAMES cpu_to_le16(1) /* can send long (non-8.3)
0753ca7b 163 path names in response */
1da177e4
LT		 164#define SMBFLG2_KNOWS_EAS cpu_to_le16(2)
165#define SMBFLG2_SECURITY_SIGNATURE cpu_to_le16(4)
675c4679
SF		 166#define SMBFLG2_COMPRESSED (8)
167#define SMBFLG2_SECURITY_SIGNATURE_REQUIRED (0x10)
1da177e4 168#define SMBFLG2_IS_LONG_NAME cpu_to_le16(0x40)
675c4679 169#define SMBFLG2_REPARSE_PATH (0x400)
1da177e4
LT		 170#define SMBFLG2_EXT_SEC cpu_to_le16(0x800)
171#define SMBFLG2_DFS cpu_to_le16(0x1000)
172#define SMBFLG2_PAGING_IO cpu_to_le16(0x2000)
173#define SMBFLG2_ERR_STATUS cpu_to_le16(0x4000)
174#define SMBFLG2_UNICODE cpu_to_le16(0x8000)
175
176/*
177 * These are the file access permission bits defined in CIFS for the
178 * NTCreateAndX as well as the level 0x107
179 * TRANS2_QUERY_PATH_INFORMATION API. The level 0x107, SMB_QUERY_FILE_ALL_INFO
180 * responds with the AccessFlags.
181 * The AccessFlags specifies the access permissions a caller has to the
182 * file and can have any suitable combination of the following values:
183 */
184
0753ca7b
SF		 185#define FILE_READ_DATA 0x00000001 /* Data can be read from the file */
186#define FILE_WRITE_DATA 0x00000002 /* Data can be written to the file */
187#define FILE_APPEND_DATA 0x00000004 /* Data can be appended to the file */
188#define FILE_READ_EA 0x00000008 /* Extended attributes associated */
189 /* with the file can be read */
190#define FILE_WRITE_EA 0x00000010 /* Extended attributes associated */
191 /* with the file can be written */
192#define FILE_EXECUTE 0x00000020 /*Data can be read into memory from */
193 /* the file using system paging I/O */
1da177e4 194#define FILE_DELETE_CHILD 0x00000040
0753ca7b
SF		 195#define FILE_READ_ATTRIBUTES 0x00000080 /* Attributes associated with the */
196 /* file can be read */
197#define FILE_WRITE_ATTRIBUTES 0x00000100 /* Attributes associated with the */
198 /* file can be written */
199#define DELETE 0x00010000 /* The file can be deleted */
200#define READ_CONTROL 0x00020000 /* The access control list and */
201 /* ownership associated with the */
202 /* file can be read */
203#define WRITE_DAC 0x00040000 /* The access control list and */
204 /* ownership associated with the */
205 /* file can be written. */
206#define WRITE_OWNER 0x00080000 /* Ownership information associated */
207 /* with the file can be written */
208#define SYNCHRONIZE 0x00100000 /* The file handle can waited on to */
209 /* synchronize with the completion */
210 /* of an input/output request */
1da177e4
LT		 211#define GENERIC_ALL 0x10000000
212#define GENERIC_EXECUTE 0x20000000
213#define GENERIC_WRITE 0x40000000
214#define GENERIC_READ 0x80000000
215 /* In summary - Relevant file */
216 /* access flags from CIFS are */
217 /* file_read_data, file_write_data */
0753ca7b 218 /* file_execute, file_read_attributes*/
1da177e4
LT		 219 /* write_dac, and delete. */
220
a750e77c
SF		 221#define FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA | FILE_READ_ATTRIBUTES)
222#define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \
223 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES)
224#define FILE_EXEC_RIGHTS (FILE_EXECUTE)
225
953f8681
SF		 226#define SET_FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA | FILE_WRITE_EA \
227 | FILE_READ_ATTRIBUTES \
228 | FILE_WRITE_ATTRIBUTES \
229 | DELETE | READ_CONTROL | WRITE_DAC \
230 | WRITE_OWNER | SYNCHRONIZE)
231#define SET_FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \
232 | FILE_READ_EA | FILE_WRITE_EA \
233 | FILE_DELETE_CHILD | FILE_READ_ATTRIBUTES \
234 | FILE_WRITE_ATTRIBUTES \
235 | DELETE | READ_CONTROL | WRITE_DAC \
236 | WRITE_OWNER | SYNCHRONIZE)
237#define SET_FILE_EXEC_RIGHTS (FILE_READ_EA | FILE_WRITE_EA | FILE_EXECUTE \
238 | FILE_READ_ATTRIBUTES \
239 | FILE_WRITE_ATTRIBUTES \
240 | DELETE | READ_CONTROL | WRITE_DAC \
241 | WRITE_OWNER | SYNCHRONIZE)
242
97837582
SF		 243#define SET_MINIMUM_RIGHTS (FILE_READ_EA | FILE_READ_ATTRIBUTES \
244 | READ_CONTROL | SYNCHRONIZE)
245
a750e77c 246
1da177e4
LT		 247/*
248 * Invalid readdir handle
249 */
250#define CIFS_NO_HANDLE 0xFFFF
251
82c05a13 252#define NO_CHANGE_64 cpu_to_le64(0xFFFFFFFFFFFFFFFFULL)
c7af1857
SF		 253#define NO_CHANGE_32 0xFFFFFFFFUL
254
1da177e4
LT		 255/* IPC$ in ASCII */
256#define CIFS_IPC_RESOURCE "\x49\x50\x43\x24"
257
258/* IPC$ in Unicode */
259#define CIFS_IPC_UNICODE_RESOURCE "\x00\x49\x00\x50\x00\x43\x00\x24\x00\x00"
260
261/* Unicode Null terminate 2 bytes of 0 */
262#define UNICODE_NULL "\x00\x00"
263#define ASCII_NULL 0x00
264
265/*
266 * Server type values (returned on EnumServer API
267 */
268#define CIFS_SV_TYPE_DC 0x00000008
269#define CIFS_SV_TYPE_BACKDC 0x00000010
270
271/*
272 * Alias type flags (From EnumAlias API call
273 */
274#define CIFS_ALIAS_TYPE_FILE 0x0001
275#define CIFS_SHARE_TYPE_FILE 0x0000
276
277/*
278 * File Attribute flags
279 */
280#define ATTR_READONLY 0x0001
281#define ATTR_HIDDEN 0x0002
282#define ATTR_SYSTEM 0x0004
283#define ATTR_VOLUME 0x0008
284#define ATTR_DIRECTORY 0x0010
285#define ATTR_ARCHIVE 0x0020
286#define ATTR_DEVICE 0x0040
287#define ATTR_NORMAL 0x0080
288#define ATTR_TEMPORARY 0x0100
289#define ATTR_SPARSE 0x0200
290#define ATTR_REPARSE 0x0400
291#define ATTR_COMPRESSED 0x0800
50c2f753 292#define ATTR_OFFLINE 0x1000 /* ie file not immediately available -
0753ca7b 293 on offline storage */
1da177e4
LT		 294#define ATTR_NOT_CONTENT_INDEXED 0x2000
295#define ATTR_ENCRYPTED 0x4000
296#define ATTR_POSIX_SEMANTICS 0x01000000
297#define ATTR_BACKUP_SEMANTICS 0x02000000
298#define ATTR_DELETE_ON_CLOSE 0x04000000
299#define ATTR_SEQUENTIAL_SCAN 0x08000000
300#define ATTR_RANDOM_ACCESS 0x10000000
301#define ATTR_NO_BUFFERING 0x20000000
302#define ATTR_WRITE_THROUGH 0x80000000
303
304/* ShareAccess flags */
305#define FILE_NO_SHARE 0x00000000
306#define FILE_SHARE_READ 0x00000001
307#define FILE_SHARE_WRITE 0x00000002
308#define FILE_SHARE_DELETE 0x00000004
309#define FILE_SHARE_ALL 0x00000007
310
675c4679 311/* CreateDisposition flags, similar to CreateAction as well */
1da177e4
LT		 312#define FILE_SUPERSEDE 0x00000000
313#define FILE_OPEN 0x00000001
314#define FILE_CREATE 0x00000002
315#define FILE_OPEN_IF 0x00000003
316#define FILE_OVERWRITE 0x00000004
317#define FILE_OVERWRITE_IF 0x00000005
318
319/* CreateOptions */
320#define CREATE_NOT_FILE 0x00000001 /* if set must not be file */
321#define CREATE_WRITE_THROUGH 0x00000002
eda3c029 322#define CREATE_SEQUENTIAL 0x00000004
675c4679
SF		 323#define CREATE_NO_BUFFER 0x00000008 /* should not buffer on srv */
324#define CREATE_SYNC_ALERT 0x00000010 /* MBZ */
325#define CREATE_ASYNC_ALERT 0x00000020 /* MBZ */
eda3c029 326#define CREATE_NOT_DIR 0x00000040 /* if set must not be directory */
675c4679
SF		 327#define CREATE_TREE_CONNECTION 0x00000080 /* should be zero */
328#define CREATE_COMPLETE_IF_OPLK 0x00000100 /* should be zero */
eda3c029 329#define CREATE_NO_EA_KNOWLEDGE 0x00000200
675c4679
SF		 330#define CREATE_EIGHT_DOT_THREE 0x00000400 /* doc says this is obsolete
331 open for recovery flag - should
332 be zero */
1da177e4
LT		 333#define CREATE_RANDOM_ACCESS 0x00000800
334#define CREATE_DELETE_ON_CLOSE 0x00001000
eda3c029 335#define CREATE_OPEN_BY_ID 0x00002000
675c4679
SF		 336#define CREATE_OPEN_BACKUP_INTN 0x00004000
337#define CREATE_NO_COMPRESSION 0x00008000
338#define CREATE_RESERVE_OPFILTER 0x00100000 /* should be zero */
1da177e4 339#define OPEN_REPARSE_POINT 0x00200000
675c4679
SF		 340#define OPEN_NO_RECALL 0x00400000
341#define OPEN_FREE_SPACE_QUERY 0x00800000 /* should be zero */
50c2f753 342#define CREATE_OPTIONS_MASK 0x007FFFFF
eda3c029 343#define CREATE_OPTION_SPECIAL 0x20000000 /* system. NB not sent over wire */
1da177e4
LT		 344
345/* ImpersonationLevel flags */
346#define SECURITY_ANONYMOUS 0
347#define SECURITY_IDENTIFICATION 1
348#define SECURITY_IMPERSONATION 2
349#define SECURITY_DELEGATION 3
350
351/* SecurityFlags */
352#define SECURITY_CONTEXT_TRACKING 0x01
353#define SECURITY_EFFECTIVE_ONLY 0x02
354
355/*
356 * Default PID value, used in all SMBs where the PID is not important
357 */
358#define CIFS_DFT_PID 0x1234
359
360/*
361 * We use the same routine for Copy and Move SMBs. This flag is used to
362 * distinguish
363 */
364#define CIFS_COPY_OP 1
365#define CIFS_RENAME_OP 2
366
367#define GETU16(var) (*((__u16 *)var)) /* BB check for endian issues */
368#define GETU32(var) (*((__u32 *)var)) /* BB check for endian issues */
369
1da177e4 370struct smb_hdr {
0753ca7b
SF		 371 __u32 smb_buf_length; /* big endian on wire *//* BB length is only two
372 or three bytes - with one or two byte type preceding it that are
373 zero - we could mask the type byte off just in case BB */
1da177e4
LT		 374 __u8 Protocol[4];
375 __u8 Command;
376 union {
377 struct {
378 __u8 ErrorClass;
379 __u8 Reserved;
380 __le16 Error;
0753ca7b 381 } __attribute__((packed)) DosError;
1da177e4 382 __le32 CifsError;
0753ca7b 383 } __attribute__((packed)) Status;
1da177e4
LT		 384 __u8 Flags;
385 __le16 Flags2; /* note: le */
386 __le16 PidHigh;
387 union {
388 struct {
389 __le32 SequenceNumber; /* le */
390 __u32 Reserved; /* zero */
0753ca7b 391 } __attribute__((packed)) Sequence;
1da177e4 392 __u8 SecuritySignature[8]; /* le */
0753ca7b 393 } __attribute__((packed)) Signature;
1da177e4
LT		 394 __u8 pad[2];
395 __u16 Tid;
396 __le16 Pid;
397 __u16 Uid;
398 __u16 Mid;
399 __u8 WordCount;
0753ca7b 400} __attribute__((packed));
1da177e4 401/* given a pointer to an smb_hdr retrieve the value of byte count */
26f57364
SF		 402#define BCC(smb_var) ( *(__u16 *)((char *)smb_var + sizeof(struct smb_hdr) + (2 * smb_var->WordCount)))
403#define BCC_LE(smb_var) ( *(__le16 *)((char *)smb_var + sizeof(struct smb_hdr) + (2 * smb_var->WordCount)))
1da177e4 404/* given a pointer to an smb_hdr retrieve the pointer to the byte area */
26f57364 405#define pByteArea(smb_var) ((unsigned char *)smb_var + sizeof(struct smb_hdr) + (2 * smb_var->WordCount) + 2)
1da177e4
LT		 406
407/*
50c2f753
SF		 408 * Computer Name Length (since Netbios name was length 16 with last byte 0x20)
409 * No longer as important, now that TCP names are more commonly used to
410 * resolve hosts.
1da177e4
LT		 411 */
412#define CNLEN 15
413
414/*
50c2f753
SF		 415 * Share Name Length (SNLEN)
416 * Note: This length was limited by the SMB used to get
417 * the Share info. NetShareEnum only returned 13
418 * chars, including the null termination.
419 * This was removed because it no longer is limiting.
1da177e4 420 */
1da177e4
LT		 421
422/*
423 * Comment Length
424 */
425#define MAXCOMMENTLEN 40
426
427/*
428 * The OS/2 maximum path name
429 */
430#define MAX_PATHCONF 256
431
432/*
433 * SMB frame definitions (following must be packed structs)
434 * See the SNIA CIFS Specification for details.
435 *
436 * The Naming convention is the lower case version of the
437 * smb command code name for the struct and this is typedef to the
50c2f753
SF		 438 * uppercase version of the same name with the prefix SMB_ removed
439 * for brevity. Although typedefs are not commonly used for
1da177e4
LT		 440 * structure definitions in the Linux kernel, their use in the
441 * CIFS standards document, which this code is based on, may
442 * make this one of the cases where typedefs for structures make
443 * sense to improve readability for readers of the standards doc.
444 * Typedefs can always be removed later if they are too distracting
445 * and they are only used for the CIFSs PDUs themselves, not
446 * internal cifs vfs structures
50c2f753 447 *
1da177e4
LT		 448 */
449
450typedef struct negotiate_req {
451 struct smb_hdr hdr; /* wct = 0 */
452 __le16 ByteCount;
453 unsigned char DialectsArray[1];
0753ca7b 454} __attribute__((packed)) NEGOTIATE_REQ;
1da177e4 455
3979877e
SF		 456/* Dialect index is 13 for LANMAN */
457
b815f1e5
SF		 458#define MIN_TZ_ADJ (15 * 60) /* minimum grid for timezones in seconds */
459
3979877e
SF		 460typedef struct lanman_neg_rsp {
461 struct smb_hdr hdr; /* wct = 13 */
462 __le16 DialectIndex;
463 __le16 SecurityMode;
464 __le16 MaxBufSize;
465 __le16 MaxMpxCount;
466 __le16 MaxNumberVcs;
467 __le16 RawMode;
468 __le32 SessionKey;
175ec9e1
SF		 469 struct {
470 __le16 Time;
471 __le16 Date;
472 } __attribute__((packed)) SrvTime;
3979877e
SF		 473 __le16 ServerTimeZone;
474 __le16 EncryptionKeyLength;
475 __le16 Reserved;
476 __u16 ByteCount;
477 unsigned char EncryptionKey[1];
478} __attribute__((packed)) LANMAN_NEG_RSP;
479
254e55ed
SF		 480#define READ_RAW_ENABLE 1
481#define WRITE_RAW_ENABLE 2
482#define RAW_ENABLE (READ_RAW_ENABLE | WRITE_RAW_ENABLE)
483
1da177e4
LT		 484typedef struct negotiate_rsp {
485 struct smb_hdr hdr; /* wct = 17 */
675c4679 486 __le16 DialectIndex; /* 0xFFFF = no dialect acceptable */
1da177e4
LT		 487 __u8 SecurityMode;
488 __le16 MaxMpxCount;
489 __le16 MaxNumberVcs;
490 __le32 MaxBufferSize;
491 __le32 MaxRawSize;
492 __le32 SessionKey;
493 __le32 Capabilities; /* see below */
494 __le32 SystemTimeLow;
495 __le32 SystemTimeHigh;
496 __le16 ServerTimeZone;
497 __u8 EncryptionKeyLength;
498 __u16 ByteCount;
499 union {
0753ca7b 500 unsigned char EncryptionKey[1]; /* cap extended security off */
1da177e4
LT		 501 /* followed by Domain name - if extended security is off */
502 /* followed by 16 bytes of server GUID */
0753ca7b 503 /* then security blob if cap_extended_security negotiated */
1da177e4
LT		 504 struct {
505 unsigned char GUID[16];
506 unsigned char SecurityBlob[1];
0753ca7b
SF		 507 } __attribute__((packed)) extended_response;
508 } __attribute__((packed)) u;
509} __attribute__((packed)) NEGOTIATE_RSP;
1da177e4
LT		 510
511/* SecurityMode bits */
512#define SECMODE_USER 0x01 /* off indicates share level security */
513#define SECMODE_PW_ENCRYPT 0x02
514#define SECMODE_SIGN_ENABLED 0x04 /* SMB security signatures enabled */
515#define SECMODE_SIGN_REQUIRED 0x08 /* SMB security signatures required */
516
517/* Negotiate response Capabilities */
518#define CAP_RAW_MODE 0x00000001
519#define CAP_MPX_MODE 0x00000002
520#define CAP_UNICODE 0x00000004
521#define CAP_LARGE_FILES 0x00000008
522#define CAP_NT_SMBS 0x00000010 /* implies CAP_NT_FIND */
523#define CAP_RPC_REMOTE_APIS 0x00000020
524#define CAP_STATUS32 0x00000040
525#define CAP_LEVEL_II_OPLOCKS 0x00000080
526#define CAP_LOCK_AND_READ 0x00000100
527#define CAP_NT_FIND 0x00000200
528#define CAP_DFS 0x00001000
529#define CAP_INFOLEVEL_PASSTHRU 0x00002000
530#define CAP_LARGE_READ_X 0x00004000
531#define CAP_LARGE_WRITE_X 0x00008000
675c4679 532#define CAP_LWIO 0x00010000 /* support fctl_srv_req_resume_key */
1da177e4 533#define CAP_UNIX 0x00800000
675c4679
SF		 534#define CAP_COMPRESSED_DATA 0x02000000
535#define CAP_DYNAMIC_REAUTH 0x20000000
536#define CAP_PERSISTENT_HANDLES 0x40000000
1da177e4
LT		 537#define CAP_EXTENDED_SECURITY 0x80000000
538
539typedef union smb_com_session_setup_andx {
540 struct { /* request format */
541 struct smb_hdr hdr; /* wct = 12 */
542 __u8 AndXCommand;
543 __u8 AndXReserved;
544 __le16 AndXOffset;
545 __le16 MaxBufferSize;
546 __le16 MaxMpxCount;
547 __le16 VcNumber;
548 __u32 SessionKey;
549 __le16 SecurityBlobLength;
550 __u32 Reserved;
551 __le32 Capabilities; /* see below */
552 __le16 ByteCount;
553 unsigned char SecurityBlob[1]; /* followed by */
554 /* STRING NativeOS */
555 /* STRING NativeLanMan */
50c2f753 556 } __attribute__((packed)) req; /* NTLM request format (with
0753ca7b 557 extended security */
1da177e4
LT		 558
559 struct { /* request format */
560 struct smb_hdr hdr; /* wct = 13 */
561 __u8 AndXCommand;
562 __u8 AndXReserved;
563 __le16 AndXOffset;
564 __le16 MaxBufferSize;
565 __le16 MaxMpxCount;
566 __le16 VcNumber;
567 __u32 SessionKey;
0753ca7b
SF		 568 __le16 CaseInsensitivePasswordLength; /* ASCII password len */
569 __le16 CaseSensitivePasswordLength; /* Unicode password length*/
1da177e4
LT		 570 __u32 Reserved; /* see below */
571 __le32 Capabilities;
572 __le16 ByteCount;
0753ca7b 573 unsigned char CaseInsensitivePassword[1]; /* followed by: */
1da177e4
LT		 574 /* unsigned char * CaseSensitivePassword; */
575 /* STRING AccountName */
576 /* STRING PrimaryDomain */
577 /* STRING NativeOS */
578 /* STRING NativeLanMan */
0753ca7b
SF		 579 } __attribute__((packed)) req_no_secext; /* NTLM request format (without
580 extended security */
1da177e4
LT		 581
582 struct { /* default (NTLM) response format */
583 struct smb_hdr hdr; /* wct = 4 */
584 __u8 AndXCommand;
585 __u8 AndXReserved;
586 __le16 AndXOffset;
587 __le16 Action; /* see below */
588 __le16 SecurityBlobLength;
589 __u16 ByteCount;
590 unsigned char SecurityBlob[1]; /* followed by */
591/* unsigned char * NativeOS; */
592/* unsigned char * NativeLanMan; */
593/* unsigned char * PrimaryDomain; */
50c2f753 594 } __attribute__((packed)) resp; /* NTLM response
87f440e7 595 (with or without extended sec) */
1da177e4
LT		 596
597 struct { /* request format */
598 struct smb_hdr hdr; /* wct = 10 */
599 __u8 AndXCommand;
600 __u8 AndXReserved;
601 __le16 AndXOffset;
602 __le16 MaxBufferSize;
603 __le16 MaxMpxCount;
604 __le16 VcNumber;
605 __u32 SessionKey;
3979877e
SF		 606 __le16 PasswordLength;
607 __u32 Reserved; /* encrypt key len and offset */
1da177e4
LT		 608 __le16 ByteCount;
609 unsigned char AccountPassword[1]; /* followed by */
610 /* STRING AccountName */
611 /* STRING PrimaryDomain */
612 /* STRING NativeOS */
613 /* STRING NativeLanMan */
0a4b92c0 614 } __attribute__((packed)) old_req; /* pre-NTLM (LANMAN2.1) req format */
1da177e4
LT		 615
616 struct { /* default (NTLM) response format */
617 struct smb_hdr hdr; /* wct = 3 */
618 __u8 AndXCommand;
619 __u8 AndXReserved;
620 __le16 AndXOffset;
621 __le16 Action; /* see below */
622 __u16 ByteCount;
623 unsigned char NativeOS[1]; /* followed by */
624/* unsigned char * NativeLanMan; */
625/* unsigned char * PrimaryDomain; */
0a4b92c0 626 } __attribute__((packed)) old_resp; /* pre-NTLM (LANMAN2.1) response */
0753ca7b 627} __attribute__((packed)) SESSION_SETUP_ANDX;
1da177e4 628
f64b23ae
SF		 629/* format of NLTMv2 Response ie "case sensitive password" hash when NTLMv2 */
630
33ec32fa
SF		 631#define NTLMSSP_SERVER_TYPE 1
632#define NTLMSSP_DOMAIN_TYPE 2
633#define NTLMSSP_FQ_DOMAIN_TYPE 3
634#define NTLMSSP_DNS_DOMAIN_TYPE 4
635#define NTLMSSP_DNS_PARENT_TYPE 5
636
f64b23ae
SF		 637struct ntlmssp2_name {
638 __le16 type;
639 __le16 length;
640/* char name[length]; */
641} __attribute__((packed));
642
643struct ntlmv2_resp {
644 char ntlmv2_hash[CIFS_ENCPWD_SIZE];
6d027cfd 645 __le32 blob_signature;
f64b23ae
SF		 646 __u32 reserved;
647 __le64 time;
648 __u64 client_chal; /* random */
649 __u32 reserved2;
33ec32fa 650 struct ntlmssp2_name names[2];
f64b23ae
SF		 651 /* array of name entries could follow ending in minimum 4 byte struct */
652} __attribute__((packed));
653
654
1da177e4
LT		 655#define CIFS_NETWORK_OPSYS "CIFS VFS Client for Linux"
656
657/* Capabilities bits (for NTLM SessSetup request) */
658#define CAP_UNICODE 0x00000004
659#define CAP_LARGE_FILES 0x00000008
660#define CAP_NT_SMBS 0x00000010
661#define CAP_STATUS32 0x00000040
662#define CAP_LEVEL_II_OPLOCKS 0x00000080
50c2f753 663#define CAP_NT_FIND 0x00000200 /* reserved should be zero
0753ca7b 664 (because NT_SMBs implies the same thing?) */
1da177e4
LT		 665#define CAP_BULK_TRANSFER 0x20000000
666#define CAP_EXTENDED_SECURITY 0x80000000
667
668/* Action bits */
669#define GUEST_LOGIN 1
670
671typedef struct smb_com_tconx_req {
672 struct smb_hdr hdr; /* wct = 4 */
673 __u8 AndXCommand;
674 __u8 AndXReserved;
675 __le16 AndXOffset;
676 __le16 Flags; /* see below */
677 __le16 PasswordLength;
678 __le16 ByteCount;
679 unsigned char Password[1]; /* followed by */
680/* STRING Path *//* \\server\share name */
681 /* STRING Service */
0753ca7b 682} __attribute__((packed)) TCONX_REQ;
1da177e4
LT		 683
684typedef struct smb_com_tconx_rsp {
675c4679 685 struct smb_hdr hdr; /* wct = 3 , not extended response */
1da177e4
LT		 686 __u8 AndXCommand;
687 __u8 AndXReserved;
688 __le16 AndXOffset;
689 __le16 OptionalSupport; /* see below */
690 __u16 ByteCount;
691 unsigned char Service[1]; /* always ASCII, not Unicode */
692 /* STRING NativeFileSystem */
0753ca7b 693} __attribute__((packed)) TCONX_RSP;
1da177e4 694
675c4679
SF		 695typedef struct smb_com_tconx_rsp_ext {
696 struct smb_hdr hdr; /* wct = 7, extended response */
697 __u8 AndXCommand;
698 __u8 AndXReserved;
699 __le16 AndXOffset;
700 __le16 OptionalSupport; /* see below */
701 __le32 MaximalShareAccessRights;
702 __le32 GuestMaximalShareAccessRights;
703 __u16 ByteCount;
704 unsigned char Service[1]; /* always ASCII, not Unicode */
705 /* STRING NativeFileSystem */
706} __attribute__((packed)) TCONX_RSP_EXT;
707
708
1da177e4
LT		 709/* tree connect Flags */
710#define DISCONNECT_TID 0x0001
675c4679 711#define TCON_EXTENDED_SIGNATURES 0x0004
1da177e4 712#define TCON_EXTENDED_SECINFO 0x0008
675c4679 713
1da177e4 714/* OptionalSupport bits */
0753ca7b
SF		 715#define SMB_SUPPORT_SEARCH_BITS 0x0001 /* "must have" directory search bits
716 (exclusive searches supported) */
1da177e4 717#define SMB_SHARE_IS_IN_DFS 0x0002
675c4679
SF		 718#define SMB_CSC_MASK 0x000C
719/* CSC flags defined as follows */
720#define SMB_CSC_CACHE_MANUAL_REINT 0x0000
721#define SMB_CSC_CACHE_AUTO_REINT 0x0004
722#define SMB_CSC_CACHE_VDO 0x0008
723#define SMB_CSC_NO_CACHING 0x000C
724
725#define SMB_UNIQUE_FILE_NAME 0x0010
726#define SMB_EXTENDED_SIGNATURES 0x0020
727
728/* services
729 *
730 * A: ie disk
731 * LPT1: ie printer
732 * IPC ie named pipe
733 * COMM
734 * ????? ie any type
735 *
736 */
1da177e4
LT		 737
738typedef struct smb_com_logoff_andx_req {
739 struct smb_hdr hdr; /* wct = 2 */
740 __u8 AndXCommand;
741 __u8 AndXReserved;
742 __u16 AndXOffset;
743 __u16 ByteCount;
0753ca7b 744} __attribute__((packed)) LOGOFF_ANDX_REQ;
1da177e4
LT		 745
746typedef struct smb_com_logoff_andx_rsp {
747 struct smb_hdr hdr; /* wct = 2 */
748 __u8 AndXCommand;
749 __u8 AndXReserved;
750 __u16 AndXOffset;
751 __u16 ByteCount;
0753ca7b 752} __attribute__((packed)) LOGOFF_ANDX_RSP;
1da177e4 753
50c2f753 754typedef union smb_com_tree_disconnect { /* as an altetnative can use flag on
86c96b4b
SF		 755 tree_connect PDU to effect disconnect */
756 /* tdis is probably simplest SMB PDU */
1da177e4
LT		 757 struct {
758 struct smb_hdr hdr; /* wct = 0 */
759 __u16 ByteCount; /* bcc = 0 */
0753ca7b 760 } __attribute__((packed)) req;
1da177e4
LT		 761 struct {
762 struct smb_hdr hdr; /* wct = 0 */
763 __u16 ByteCount; /* bcc = 0 */
0753ca7b
SF		 764 } __attribute__((packed)) resp;
765} __attribute__((packed)) TREE_DISCONNECT;
1da177e4
LT		 766
767typedef struct smb_com_close_req {
768 struct smb_hdr hdr; /* wct = 3 */
769 __u16 FileID;
b815f1e5 770 __u32 LastWriteTime; /* should be zero or -1 */
1da177e4 771 __u16 ByteCount; /* 0 */
0753ca7b 772} __attribute__((packed)) CLOSE_REQ;
1da177e4
LT		 773
774typedef struct smb_com_close_rsp {
775 struct smb_hdr hdr; /* wct = 0 */
776 __u16 ByteCount; /* bct = 0 */
0753ca7b 777} __attribute__((packed)) CLOSE_RSP;
1da177e4
LT		 778
779typedef struct smb_com_findclose_req {
780 struct smb_hdr hdr; /* wct = 1 */
781 __u16 FileID;
782 __u16 ByteCount; /* 0 */
0753ca7b 783} __attribute__((packed)) FINDCLOSE_REQ;
1da177e4
LT		 784
785/* OpenFlags */
a9d02ad4 786#define REQ_MORE_INFO 0x00000001 /* legacy (OPEN_AND_X) only */
1da177e4
LT		 787#define REQ_OPLOCK 0x00000002
788#define REQ_BATCHOPLOCK 0x00000004
789#define REQ_OPENDIRONLY 0x00000008
75865f8c 790#define REQ_EXTENDED_INFO 0x00000010
1da177e4 791
92ad9b93
SF		 792/* File type */
793#define DISK_TYPE 0x0000
794#define BYTE_PIPE_TYPE 0x0001
795#define MESSAGE_PIPE_TYPE 0x0002
796#define PRINTER_TYPE 0x0003
797#define COMM_DEV_TYPE 0x0004
798#define UNKNOWN_TYPE 0xFFFF
799
675c4679
SF		 800/* Device Type or File Status Flags */
801#define NO_EAS 0x0001
802#define NO_SUBSTREAMS 0x0002
803#define NO_REPARSETAG 0x0004
804/* following flags can apply if pipe */
805#define ICOUNT_MASK 0x00FF
806#define PIPE_READ_MODE 0x0100
807#define NAMED_PIPE_TYPE 0x0400
808#define PIPE_END_POINT 0x0800
809#define BLOCKING_NAMED_PIPE 0x8000
810
1da177e4
LT		 811typedef struct smb_com_open_req { /* also handles create */
812 struct smb_hdr hdr; /* wct = 24 */
813 __u8 AndXCommand;
814 __u8 AndXReserved;
815 __le16 AndXOffset;
816 __u8 Reserved; /* Must Be Zero */
817 __le16 NameLength;
818 __le32 OpenFlags;
675c4679 819 __u32 RootDirectoryFid;
1da177e4
LT		 820 __le32 DesiredAccess;
821 __le64 AllocationSize;
822 __le32 FileAttributes;
823 __le32 ShareAccess;
824 __le32 CreateDisposition;
825 __le32 CreateOptions;
826 __le32 ImpersonationLevel;
827 __u8 SecurityFlags;
828 __le16 ByteCount;
829 char fileName[1];
0753ca7b 830} __attribute__((packed)) OPEN_REQ;
1da177e4
LT		 831
832/* open response: oplock levels */
833#define OPLOCK_NONE 0
834#define OPLOCK_EXCLUSIVE 1
835#define OPLOCK_BATCH 2
836#define OPLOCK_READ 3 /* level 2 oplock */
837
838/* open response for CreateAction shifted left */
839#define CIFS_CREATE_ACTION 0x20000 /* file created */
840
841typedef struct smb_com_open_rsp {
842 struct smb_hdr hdr; /* wct = 34 BB */
843 __u8 AndXCommand;
844 __u8 AndXReserved;
845 __le16 AndXOffset;
846 __u8 OplockLevel;
847 __u16 Fid;
848 __le32 CreateAction;
849 __le64 CreationTime;
850 __le64 LastAccessTime;
851 __le64 LastWriteTime;
852 __le64 ChangeTime;
853 __le32 FileAttributes;
854 __le64 AllocationSize;
855 __le64 EndOfFile;
856 __le16 FileType;
857 __le16 DeviceState;
858 __u8 DirectoryFlag;
859 __u16 ByteCount; /* bct = 0 */
0753ca7b 860} __attribute__((packed)) OPEN_RSP;
1da177e4 861
675c4679
SF		 862typedef struct smb_com_open_rsp_ext {
863 struct smb_hdr hdr; /* wct = 42 but meaningless due to MS bug? */
864 __u8 AndXCommand;
865 __u8 AndXReserved;
866 __le16 AndXOffset;
867 __u8 OplockLevel;
868 __u16 Fid;
869 __le32 CreateAction;
870 __le64 CreationTime;
871 __le64 LastAccessTime;
872 __le64 LastWriteTime;
873 __le64 ChangeTime;
874 __le32 FileAttributes;
875 __le64 AllocationSize;
876 __le64 EndOfFile;
877 __le16 FileType;
878 __le16 DeviceState;
879 __u8 DirectoryFlag;
880 __u8 VolumeGUID[16];
881 __u64 FileId; /* note no endian conversion - is opaque UniqueID */
882 __le32 MaximalAccessRights;
883 __le32 GuestMaximalAccessRights;
884 __u16 ByteCount; /* bct = 0 */
885} __attribute__((packed)) OPEN_RSP_EXT;
886
887
a9d02ad4
SF		 888/* format of legacy open request */
889typedef struct smb_com_openx_req {
890 struct smb_hdr hdr; /* wct = 15 */
891 __u8 AndXCommand;
892 __u8 AndXReserved;
893 __le16 AndXOffset;
894 __le16 OpenFlags;
895 __le16 Mode;
896 __le16 Sattr; /* search attributes */
897 __le16 FileAttributes; /* dos attrs */
898 __le32 CreateTime; /* os2 format */
899 __le16 OpenFunction;
900 __le32 EndOfFile;
901 __le32 Timeout;
902 __le32 Reserved;
70ca734a 903 __le16 ByteCount; /* file name follows */
a9d02ad4 904 char fileName[1];
0753ca7b 905} __attribute__((packed)) OPENX_REQ;
a9d02ad4
SF		 906
907typedef struct smb_com_openx_rsp {
908 struct smb_hdr hdr; /* wct = 15 */
909 __u8 AndXCommand;
910 __u8 AndXReserved;
911 __le16 AndXOffset;
912 __u16 Fid;
913 __le16 FileAttributes;
914 __le32 LastWriteTime; /* os2 format */
915 __le32 EndOfFile;
916 __le16 Access;
917 __le16 FileType;
918 __le16 IPCState;
919 __le16 Action;
920 __u32 FileId;
921 __u16 Reserved;
922 __u16 ByteCount;
50c2f753 923} __attribute__((packed)) OPENX_RSP;
a9d02ad4 924
595dcfec
SF		 925/* For encoding of POSIX Open Request - see trans2 function 0x209 data struct */
926
a9d02ad4
SF		 927/* Legacy write request for older servers */
928typedef struct smb_com_writex_req {
50c2f753
SF		 929 struct smb_hdr hdr; /* wct = 12 */
930 __u8 AndXCommand;
931 __u8 AndXReserved;
932 __le16 AndXOffset;
933 __u16 Fid;
934 __le32 OffsetLow;
935 __u32 Reserved; /* Timeout */
936 __le16 WriteMode; /* 1 = write through */
937 __le16 Remaining;
938 __le16 Reserved2;
939 __le16 DataLengthLow;
940 __le16 DataOffset;
941 __le16 ByteCount;
942 __u8 Pad; /* BB check for whether padded to DWORD
943 boundary and optimum performance here */
944 char Data[0];
0753ca7b 945} __attribute__((packed)) WRITEX_REQ;
a9d02ad4 946
1da177e4
LT		 947typedef struct smb_com_write_req {
948 struct smb_hdr hdr; /* wct = 14 */
949 __u8 AndXCommand;
950 __u8 AndXReserved;
951 __le16 AndXOffset;
952 __u16 Fid;
953 __le32 OffsetLow;
954 __u32 Reserved;
955 __le16 WriteMode;
956 __le16 Remaining;
957 __le16 DataLengthHigh;
958 __le16 DataLengthLow;
959 __le16 DataOffset;
960 __le32 OffsetHigh;
961 __le16 ByteCount;
50c2f753
SF		 962 __u8 Pad; /* BB check for whether padded to DWORD
963 boundary and optimum performance here */
1da177e4 964 char Data[0];
0753ca7b 965} __attribute__((packed)) WRITE_REQ;
1da177e4
LT		 966
967typedef struct smb_com_write_rsp {
968 struct smb_hdr hdr; /* wct = 6 */
969 __u8 AndXCommand;
970 __u8 AndXReserved;
971 __le16 AndXOffset;
972 __le16 Count;
973 __le16 Remaining;
974 __le16 CountHigh;
975 __u16 Reserved;
976 __u16 ByteCount;
0753ca7b 977} __attribute__((packed)) WRITE_RSP;
1da177e4 978
a9d02ad4
SF		 979/* legacy read request for older servers */
980typedef struct smb_com_readx_req {
50c2f753
SF		 981 struct smb_hdr hdr; /* wct = 10 */
982 __u8 AndXCommand;
983 __u8 AndXReserved;
984 __le16 AndXOffset;
985 __u16 Fid;
986 __le32 OffsetLow;
987 __le16 MaxCount;
988 __le16 MinCount; /* obsolete */
989 __le32 Reserved;
990 __le16 Remaining;
991 __le16 ByteCount;
0753ca7b 992} __attribute__((packed)) READX_REQ;
a9d02ad4 993
1da177e4
LT		 994typedef struct smb_com_read_req {
995 struct smb_hdr hdr; /* wct = 12 */
996 __u8 AndXCommand;
997 __u8 AndXReserved;
998 __le16 AndXOffset;
999 __u16 Fid;
1000 __le32 OffsetLow;
1001 __le16 MaxCount;
1002 __le16 MinCount; /* obsolete */
1003 __le32 MaxCountHigh;
1004 __le16 Remaining;
1005 __le32 OffsetHigh;
1006 __le16 ByteCount;
0753ca7b 1007} __attribute__((packed)) READ_REQ;
1da177e4
LT		 1008
1009typedef struct smb_com_read_rsp {
1010 struct smb_hdr hdr; /* wct = 12 */
1011 __u8 AndXCommand;
1012 __u8 AndXReserved;
1013 __le16 AndXOffset;
1014 __le16 Remaining;
1015 __le16 DataCompactionMode;
1016 __le16 Reserved;
1017 __le16 DataLength;
1018 __le16 DataOffset;
1019 __le16 DataLengthHigh;
1020 __u64 Reserved2;
1021 __u16 ByteCount;
50c2f753
SF		 1022 __u8 Pad; /* BB check for whether padded to DWORD
1023 boundary and optimum performance here */
1da177e4 1024 char Data[1];
0753ca7b 1025} __attribute__((packed)) READ_RSP;
1da177e4
LT		 1026
1027typedef struct locking_andx_range {
1028 __le16 Pid;
1029 __le16 Pad;
1030 __le32 OffsetHigh;
1031 __le32 OffsetLow;
1032 __le32 LengthHigh;
1033 __le32 LengthLow;
0753ca7b 1034} __attribute__((packed)) LOCKING_ANDX_RANGE;
1da177e4
LT		 1035
1036#define LOCKING_ANDX_SHARED_LOCK 0x01
1037#define LOCKING_ANDX_OPLOCK_RELEASE 0x02
1038#define LOCKING_ANDX_CHANGE_LOCKTYPE 0x04
1039#define LOCKING_ANDX_CANCEL_LOCK 0x08
1040#define LOCKING_ANDX_LARGE_FILES 0x10 /* always on for us */
1041
1042typedef struct smb_com_lock_req {
1043 struct smb_hdr hdr; /* wct = 8 */
1044 __u8 AndXCommand;
1045 __u8 AndXReserved;
1046 __le16 AndXOffset;
1047 __u16 Fid;
1048 __u8 LockType;
1049 __u8 OplockLevel;
1050 __le32 Timeout;
1051 __le16 NumberOfUnlocks;
1052 __le16 NumberOfLocks;
1053 __le16 ByteCount;
1054 LOCKING_ANDX_RANGE Locks[1];
0753ca7b 1055} __attribute__((packed)) LOCK_REQ;
1da177e4 1056
08547b03
SF		 1057/* lock type */
1058#define CIFS_RDLCK 0
1059#define CIFS_WRLCK 1
1060#define CIFS_UNLCK 2
f654bac2
SF		 1061typedef struct cifs_posix_lock {
1062 __le16 lock_type; /* 0 = Read, 1 = Write, 2 = Unlock */
1063 __le16 lock_flags; /* 1 = Wait (only valid for setlock) */
1064 __le32 pid;
1065 __le64 start;
1066 __le64 length;
1067 /* BB what about additional owner info to identify network client */
0753ca7b 1068} __attribute__((packed)) CIFS_POSIX_LOCK;
f654bac2 1069
1da177e4
LT		 1070typedef struct smb_com_lock_rsp {
1071 struct smb_hdr hdr; /* wct = 2 */
1072 __u8 AndXCommand;
1073 __u8 AndXReserved;
1074 __le16 AndXOffset;
1075 __u16 ByteCount;
0753ca7b 1076} __attribute__((packed)) LOCK_RSP;
1da177e4
LT		 1077
1078typedef struct smb_com_rename_req {
1079 struct smb_hdr hdr; /* wct = 1 */
1080 __le16 SearchAttributes; /* target file attributes */
1081 __le16 ByteCount;
1082 __u8 BufferFormat; /* 4 = ASCII or Unicode */
1083 unsigned char OldFileName[1];
1084 /* followed by __u8 BufferFormat2 */
1085 /* followed by NewFileName */
0753ca7b 1086} __attribute__((packed)) RENAME_REQ;
1da177e4
LT		 1087
1088 /* copy request flags */
1089#define COPY_MUST_BE_FILE 0x0001
1090#define COPY_MUST_BE_DIR 0x0002
1091#define COPY_TARGET_MODE_ASCII 0x0004 /* if not set, binary */
1092#define COPY_SOURCE_MODE_ASCII 0x0008 /* if not set, binary */
1093#define COPY_VERIFY_WRITES 0x0010
50c2f753 1094#define COPY_TREE 0x0020
1da177e4
LT		 1095
1096typedef struct smb_com_copy_req {
1097 struct smb_hdr hdr; /* wct = 3 */
1098 __u16 Tid2;
1099 __le16 OpenFunction;
1100 __le16 Flags;
1101 __le16 ByteCount;
50c2f753 1102 __u8 BufferFormat; /* 4 = ASCII or Unicode */
1da177e4
LT		 1103 unsigned char OldFileName[1];
1104 /* followed by __u8 BufferFormat2 */
1105 /* followed by NewFileName string */
0753ca7b 1106} __attribute__((packed)) COPY_REQ;
1da177e4
LT		 1107
1108typedef struct smb_com_copy_rsp {
1109 struct smb_hdr hdr; /* wct = 1 */
1110 __le16 CopyCount; /* number of files copied */
1111 __u16 ByteCount; /* may be zero */
1112 __u8 BufferFormat; /* 0x04 - only present if errored file follows */
1113 unsigned char ErrorFileName[1]; /* only present if error in copy */
0753ca7b 1114} __attribute__((packed)) COPY_RSP;
1da177e4
LT		 1115
1116#define CREATE_HARD_LINK 0x103
1117#define MOVEFILE_COPY_ALLOWED 0x0002
1118#define MOVEFILE_REPLACE_EXISTING 0x0001
1119
1120typedef struct smb_com_nt_rename_req { /* A5 - also used for create hardlink */
1121 struct smb_hdr hdr; /* wct = 4 */
1122 __le16 SearchAttributes; /* target file attributes */
1123 __le16 Flags; /* spec says Information Level */
1124 __le32 ClusterCount;
1125 __le16 ByteCount;
1126 __u8 BufferFormat; /* 4 = ASCII or Unicode */
1127 unsigned char OldFileName[1];
1128 /* followed by __u8 BufferFormat2 */
1129 /* followed by NewFileName */
0753ca7b 1130} __attribute__((packed)) NT_RENAME_REQ;
1da177e4
LT		 1131
1132typedef struct smb_com_rename_rsp {
1133 struct smb_hdr hdr; /* wct = 0 */
1134 __u16 ByteCount; /* bct = 0 */
0753ca7b 1135} __attribute__((packed)) RENAME_RSP;
1da177e4
LT		 1136
1137typedef struct smb_com_delete_file_req {
1138 struct smb_hdr hdr; /* wct = 1 */
1139 __le16 SearchAttributes;
1140 __le16 ByteCount;
1141 __u8 BufferFormat; /* 4 = ASCII */
1142 unsigned char fileName[1];
0753ca7b 1143} __attribute__((packed)) DELETE_FILE_REQ;
1da177e4
LT		 1144
1145typedef struct smb_com_delete_file_rsp {
1146 struct smb_hdr hdr; /* wct = 0 */
1147 __u16 ByteCount; /* bct = 0 */
0753ca7b 1148} __attribute__((packed)) DELETE_FILE_RSP;
1da177e4
LT		 1149
1150typedef struct smb_com_delete_directory_req {
1151 struct smb_hdr hdr; /* wct = 0 */
1152 __le16 ByteCount;
1153 __u8 BufferFormat; /* 4 = ASCII */
1154 unsigned char DirName[1];
0753ca7b 1155} __attribute__((packed)) DELETE_DIRECTORY_REQ;
1da177e4
LT		 1156
1157typedef struct smb_com_delete_directory_rsp {
1158 struct smb_hdr hdr; /* wct = 0 */
1159 __u16 ByteCount; /* bct = 0 */
0753ca7b 1160} __attribute__((packed)) DELETE_DIRECTORY_RSP;
1da177e4
LT		 1161
1162typedef struct smb_com_create_directory_req {
1163 struct smb_hdr hdr; /* wct = 0 */
1164 __le16 ByteCount;
1165 __u8 BufferFormat; /* 4 = ASCII */
1166 unsigned char DirName[1];
0753ca7b 1167} __attribute__((packed)) CREATE_DIRECTORY_REQ;
1da177e4
LT		 1168
1169typedef struct smb_com_create_directory_rsp {
1170 struct smb_hdr hdr; /* wct = 0 */
1171 __u16 ByteCount; /* bct = 0 */
0753ca7b 1172} __attribute__((packed)) CREATE_DIRECTORY_RSP;
1da177e4 1173
6b8edfe0
SF		 1174typedef struct smb_com_query_information_req {
1175 struct smb_hdr hdr; /* wct = 0 */
1176 __le16 ByteCount; /* 1 + namelen + 1 */
1177 __u8 BufferFormat; /* 4 = ASCII */
1178 unsigned char FileName[1];
0753ca7b 1179} __attribute__((packed)) QUERY_INFORMATION_REQ;
6b8edfe0
SF		 1180
1181typedef struct smb_com_query_information_rsp {
1182 struct smb_hdr hdr; /* wct = 10 */
1183 __le16 attr;
1184 __le32 last_write_time;
1185 __le32 size;
1186 __u16 reserved[5];
1187 __le16 ByteCount; /* bcc = 0 */
0753ca7b 1188} __attribute__((packed)) QUERY_INFORMATION_RSP;
6b8edfe0 1189
1da177e4
LT		 1190typedef struct smb_com_setattr_req {
1191 struct smb_hdr hdr; /* wct = 8 */
1192 __le16 attr;
1193 __le16 time_low;
1194 __le16 time_high;
1195 __le16 reserved[5]; /* must be zero */
1196 __u16 ByteCount;
1197 __u8 BufferFormat; /* 4 = ASCII */
1198 unsigned char fileName[1];
0753ca7b 1199} __attribute__((packed)) SETATTR_REQ;
1da177e4
LT		 1200
1201typedef struct smb_com_setattr_rsp {
1202 struct smb_hdr hdr; /* wct = 0 */
1203 __u16 ByteCount; /* bct = 0 */
0753ca7b 1204} __attribute__((packed)) SETATTR_RSP;
1da177e4
LT		 1205
1206/* empty wct response to setattr */
1207
0a4b92c0
SF		 1208/*******************************************************/
1209/* NT Transact structure defintions follow */
50c2f753 1210/* Currently only ioctl, acl (get security descriptor) */
0a4b92c0
SF		 1211/* and notify are implemented */
1212/*******************************************************/
1213typedef struct smb_com_ntransact_req {
50c2f753
SF		 1214 struct smb_hdr hdr; /* wct >= 19 */
1215 __u8 MaxSetupCount;
1216 __u16 Reserved;
1217 __le32 TotalParameterCount;
1218 __le32 TotalDataCount;
1219 __le32 MaxParameterCount;
1220 __le32 MaxDataCount;
1221 __le32 ParameterCount;
1222 __le32 ParameterOffset;
1223 __le32 DataCount;
1224 __le32 DataOffset;
1225 __u8 SetupCount; /* four setup words follow subcommand */
1226 /* SNIA spec incorrectly included spurious pad here */
1227 __le16 SubCommand; /* 2 = IOCTL/FSCTL */
1228 /* SetupCount words follow then */
1229 __le16 ByteCount;
1230 __u8 Pad[3];
1231 __u8 Parms[0];
0a4b92c0
SF		 1232} __attribute__((packed)) NTRANSACT_REQ;
1233
1234typedef struct smb_com_ntransact_rsp {
1235 struct smb_hdr hdr; /* wct = 18 */
1236 __u8 Reserved[3];
1237 __le32 TotalParameterCount;
1238 __le32 TotalDataCount;
1239 __le32 ParameterCount;
1240 __le32 ParameterOffset;
1241 __le32 ParameterDisplacement;
1242 __le32 DataCount;
1243 __le32 DataOffset;
1244 __le32 DataDisplacement;
1245 __u8 SetupCount; /* 0 */
1246 __u16 ByteCount;
50c2f753 1247 /* __u8 Pad[3]; */
0a4b92c0
SF		 1248 /* parms and data follow */
1249} __attribute__((packed)) NTRANSACT_RSP;
1250
1da177e4
LT		 1251typedef struct smb_com_transaction_ioctl_req {
1252 struct smb_hdr hdr; /* wct = 23 */
1253 __u8 MaxSetupCount;
1254 __u16 Reserved;
1255 __le32 TotalParameterCount;
1256 __le32 TotalDataCount;
1257 __le32 MaxParameterCount;
1258 __le32 MaxDataCount;
1259 __le32 ParameterCount;
1260 __le32 ParameterOffset;
1261 __le32 DataCount;
1262 __le32 DataOffset;
1263 __u8 SetupCount; /* four setup words follow subcommand */
1264 /* SNIA spec incorrectly included spurious pad here */
0a4b92c0 1265 __le16 SubCommand; /* 2 = IOCTL/FSCTL */
1da177e4
LT		 1266 __le32 FunctionCode;
1267 __u16 Fid;
0a4b92c0
SF		 1268 __u8 IsFsctl; /* 1 = File System Control 0 = device control (IOCTL) */
1269 __u8 IsRootFlag; /* 1 = apply command to root of share (must be DFS) */
1da177e4
LT		 1270 __le16 ByteCount;
1271 __u8 Pad[3];
1272 __u8 Data[1];
0753ca7b 1273} __attribute__((packed)) TRANSACT_IOCTL_REQ;
1da177e4
LT		 1274
1275typedef struct smb_com_transaction_ioctl_rsp {
1276 struct smb_hdr hdr; /* wct = 19 */
1277 __u8 Reserved[3];
1278 __le32 TotalParameterCount;
1279 __le32 TotalDataCount;
1280 __le32 ParameterCount;
1281 __le32 ParameterOffset;
1282 __le32 ParameterDisplacement;
1283 __le32 DataCount;
1284 __le32 DataOffset;
1285 __le32 DataDisplacement;
1286 __u8 SetupCount; /* 1 */
1287 __le16 ReturnedDataLen;
1288 __u16 ByteCount;
0753ca7b 1289} __attribute__((packed)) TRANSACT_IOCTL_RSP;
1da177e4 1290
0a4b92c0
SF		 1291#define CIFS_ACL_OWNER 1
1292#define CIFS_ACL_GROUP 2
1293#define CIFS_ACL_DACL 4
1294#define CIFS_ACL_SACL 8
1295
1296typedef struct smb_com_transaction_qsec_req {
1297 struct smb_hdr hdr; /* wct = 19 */
1298 __u8 MaxSetupCount;
1299 __u16 Reserved;
1300 __le32 TotalParameterCount;
1301 __le32 TotalDataCount;
1302 __le32 MaxParameterCount;
1303 __le32 MaxDataCount;
1304 __le32 ParameterCount;
1305 __le32 ParameterOffset;
1306 __le32 DataCount;
1307 __le32 DataOffset;
1308 __u8 SetupCount; /* no setup words follow subcommand */
1309 /* SNIA spec incorrectly included spurious pad here */
1310 __le16 SubCommand; /* 6 = QUERY_SECURITY_DESC */
1311 __le16 ByteCount; /* bcc = 3 + 8 */
1312 __u8 Pad[3];
1313 __u16 Fid;
1314 __u16 Reserved2;
1315 __le32 AclFlags;
1316} __attribute__((packed)) QUERY_SEC_DESC_REQ;
1317
7505e052
SF		 1318
1319typedef struct smb_com_transaction_ssec_req {
1320 struct smb_hdr hdr; /* wct = 19 */
1321 __u8 MaxSetupCount;
1322 __u16 Reserved;
1323 __le32 TotalParameterCount;
1324 __le32 TotalDataCount;
1325 __le32 MaxParameterCount;
1326 __le32 MaxDataCount;
1327 __le32 ParameterCount;
1328 __le32 ParameterOffset;
1329 __le32 DataCount;
1330 __le32 DataOffset;
1331 __u8 SetupCount; /* no setup words follow subcommand */
1332 /* SNIA spec incorrectly included spurious pad here */
1333 __le16 SubCommand; /* 3 = SET_SECURITY_DESC */
1334 __le16 ByteCount; /* bcc = 3 + 8 */
1335 __u8 Pad[3];
1336 __u16 Fid;
1337 __u16 Reserved2;
1338 __le32 AclFlags;
1339} __attribute__((packed)) SET_SEC_DESC_REQ;
1340
1da177e4
LT		 1341typedef struct smb_com_transaction_change_notify_req {
1342 struct smb_hdr hdr; /* wct = 23 */
1343 __u8 MaxSetupCount;
1344 __u16 Reserved;
1345 __le32 TotalParameterCount;
1346 __le32 TotalDataCount;
1347 __le32 MaxParameterCount;
1348 __le32 MaxDataCount;
1349 __le32 ParameterCount;
1350 __le32 ParameterOffset;
1351 __le32 DataCount;
1352 __le32 DataOffset;
1353 __u8 SetupCount; /* four setup words follow subcommand */
1354 /* SNIA spec incorrectly included spurious pad here */
1355 __le16 SubCommand;/* 4 = Change Notify */
1356 __le32 CompletionFilter; /* operation to monitor */
1357 __u16 Fid;
1358 __u8 WatchTree; /* 1 = Monitor subdirectories */
1359 __u8 Reserved2;
1360 __le16 ByteCount;
0a4b92c0 1361/* __u8 Pad[3];*/
1da177e4 1362/* __u8 Data[1];*/
0753ca7b 1363} __attribute__((packed)) TRANSACT_CHANGE_NOTIFY_REQ;
1da177e4 1364
50c2f753 1365/* BB eventually change to use generic ntransact rsp struct
0a4b92c0 1366 and validation routine */
1da177e4
LT		 1367typedef struct smb_com_transaction_change_notify_rsp {
1368 struct smb_hdr hdr; /* wct = 18 */
1369 __u8 Reserved[3];
1370 __le32 TotalParameterCount;
1371 __le32 TotalDataCount;
1372 __le32 ParameterCount;
1373 __le32 ParameterOffset;
1374 __le32 ParameterDisplacement;
1375 __le32 DataCount;
1376 __le32 DataOffset;
1377 __le32 DataDisplacement;
1378 __u8 SetupCount; /* 0 */
1379 __u16 ByteCount;
1380 /* __u8 Pad[3]; */
0753ca7b 1381} __attribute__((packed)) TRANSACT_CHANGE_NOTIFY_RSP;
1da177e4
LT		 1382/* Completion Filter flags for Notify */
1383#define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001
1384#define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002
1385#define FILE_NOTIFY_CHANGE_NAME 0x00000003
1386#define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004
1387#define FILE_NOTIFY_CHANGE_SIZE 0x00000008
1388#define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010
1389#define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020
1390#define FILE_NOTIFY_CHANGE_CREATION 0x00000040
1391#define FILE_NOTIFY_CHANGE_EA 0x00000080
1392#define FILE_NOTIFY_CHANGE_SECURITY 0x00000100
1393#define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200
1394#define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400
1395#define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800
1396
1397#define FILE_ACTION_ADDED 0x00000001
1398#define FILE_ACTION_REMOVED 0x00000002
1399#define FILE_ACTION_MODIFIED 0x00000003
1400#define FILE_ACTION_RENAMED_OLD_NAME 0x00000004
1401#define FILE_ACTION_RENAMED_NEW_NAME 0x00000005
1402#define FILE_ACTION_ADDED_STREAM 0x00000006
1403#define FILE_ACTION_REMOVED_STREAM 0x00000007
1404#define FILE_ACTION_MODIFIED_STREAM 0x00000008
1405
1406/* response contains array of the following structures */
1407struct file_notify_information {
1408 __le32 NextEntryOffset;
1409 __le32 Action;
1410 __le32 FileNameLength;
1411 __u8 FileName[0];
50c2f753 1412} __attribute__((packed));
1da177e4
LT		 1413
1414struct reparse_data {
1415 __u32 ReparseTag;
1416 __u16 ReparseDataLength;
1417 __u16 Reserved;
1418 __u16 AltNameOffset;
1419 __u16 AltNameLen;
1420 __u16 TargetNameOffset;
1421 __u16 TargetNameLen;
1422 char LinkNamesBuf[1];
0753ca7b 1423} __attribute__((packed));
1da177e4
LT		 1424
1425struct cifs_quota_data {
1426 __u32 rsrvd1; /* 0 */
1427 __u32 sid_size;
1428 __u64 rsrvd2; /* 0 */
1429 __u64 space_used;
1430 __u64 soft_limit;
1431 __u64 hard_limit;
1432 char sid[1]; /* variable size? */
0753ca7b 1433} __attribute__((packed));
1da177e4
LT		 1434
1435/* quota sub commands */
1436#define QUOTA_LIST_CONTINUE 0
1437#define QUOTA_LIST_START 0x100
1438#define QUOTA_FOR_SID 0x101
1439
1440struct trans2_req {
1441 /* struct smb_hdr hdr precedes. Set wct = 14+ */
1442 __le16 TotalParameterCount;
1443 __le16 TotalDataCount;
1444 __le16 MaxParameterCount;
1445 __le16 MaxDataCount;
1446 __u8 MaxSetupCount;
1447 __u8 Reserved;
1448 __le16 Flags;
1449 __le32 Timeout;
1450 __u16 Reserved2;
1451 __le16 ParameterCount;
1452 __le16 ParameterOffset;
1453 __le16 DataCount;
1454 __le16 DataOffset;
1455 __u8 SetupCount;
1456 __u8 Reserved3;
1457 __le16 SubCommand; /* 1st setup word - SetupCount words follow */
1458 __le16 ByteCount;
0753ca7b 1459} __attribute__((packed));
1da177e4
LT		 1460
1461struct smb_t2_req {
1462 struct smb_hdr hdr;
1463 struct trans2_req t2_req;
0753ca7b 1464} __attribute__((packed));
1da177e4
LT		 1465
1466struct trans2_resp {
1467 /* struct smb_hdr hdr precedes. Note wct = 10 + setup count */
1468 __le16 TotalParameterCount;
1469 __le16 TotalDataCount;
1470 __u16 Reserved;
1471 __le16 ParameterCount;
1472 __le16 ParameterOffset;
1473 __le16 ParameterDisplacement;
1474 __le16 DataCount;
1475 __le16 DataOffset;
1476 __le16 DataDisplacement;
1477 __u8 SetupCount;
1478 __u8 Reserved1;
1479 /* SetupWords[SetupCount];
1480 __u16 ByteCount;
50c2f753 1481 __u16 Reserved2;*/
1da177e4 1482 /* data area follows */
0753ca7b 1483} __attribute__((packed));
1da177e4
LT		 1484
1485struct smb_t2_rsp {
1486 struct smb_hdr hdr;
1487 struct trans2_resp t2_rsp;
0753ca7b 1488} __attribute__((packed));
1da177e4
LT		 1489
1490/* PathInfo/FileInfo infolevels */
1491#define SMB_INFO_STANDARD 1
1492#define SMB_SET_FILE_EA 2
1493#define SMB_QUERY_FILE_EA_SIZE 2
1494#define SMB_INFO_QUERY_EAS_FROM_LIST 3
1495#define SMB_INFO_QUERY_ALL_EAS 4
1496#define SMB_INFO_IS_NAME_VALID 6
1497#define SMB_QUERY_FILE_BASIC_INFO 0x101
1498#define SMB_QUERY_FILE_STANDARD_INFO 0x102
1499#define SMB_QUERY_FILE_EA_INFO 0x103
1500#define SMB_QUERY_FILE_NAME_INFO 0x104
1501#define SMB_QUERY_FILE_ALLOCATION_INFO 0x105
1502#define SMB_QUERY_FILE_END_OF_FILEINFO 0x106
1503#define SMB_QUERY_FILE_ALL_INFO 0x107
1504#define SMB_QUERY_ALT_NAME_INFO 0x108
1505#define SMB_QUERY_FILE_STREAM_INFO 0x109
1506#define SMB_QUERY_FILE_COMPRESSION_INFO 0x10B
1507#define SMB_QUERY_FILE_UNIX_BASIC 0x200
1508#define SMB_QUERY_FILE_UNIX_LINK 0x201
1509#define SMB_QUERY_POSIX_ACL 0x204
87f440e7 1510#define SMB_QUERY_XATTR 0x205 /* e.g. system EA name space */
1da177e4 1511#define SMB_QUERY_ATTR_FLAGS 0x206 /* append,immutable etc. */
f654bac2
SF		 1512#define SMB_QUERY_POSIX_PERMISSION 0x207
1513#define SMB_QUERY_POSIX_LOCK 0x208
87f440e7
SF		 1514/* #define SMB_POSIX_OPEN 0x209 */
1515/* #define SMB_POSIX_UNLINK 0x20a */
1516#define SMB_QUERY_FILE__UNIX_INFO2 0x20b
1da177e4
LT		 1517#define SMB_QUERY_FILE_INTERNAL_INFO 0x3ee
1518#define SMB_QUERY_FILE_ACCESS_INFO 0x3f0
1519#define SMB_QUERY_FILE_NAME_INFO2 0x3f1 /* 0x30 bytes */
50c2f753 1520#define SMB_QUERY_FILE_POSITION_INFO 0x3f6
1da177e4 1521#define SMB_QUERY_FILE_MODE_INFO 0x3f8
50c2f753 1522#define SMB_QUERY_FILE_ALGN_INFO 0x3f9
1da177e4
LT		 1523
1524
1525#define SMB_SET_FILE_BASIC_INFO 0x101
1526#define SMB_SET_FILE_DISPOSITION_INFO 0x102
1527#define SMB_SET_FILE_ALLOCATION_INFO 0x103
1528#define SMB_SET_FILE_END_OF_FILE_INFO 0x104
1529#define SMB_SET_FILE_UNIX_BASIC 0x200
1530#define SMB_SET_FILE_UNIX_LINK 0x201
1531#define SMB_SET_FILE_UNIX_HLINK 0x203
1532#define SMB_SET_POSIX_ACL 0x204
1533#define SMB_SET_XATTR 0x205
1534#define SMB_SET_ATTR_FLAGS 0x206 /* append, immutable etc. */
f654bac2 1535#define SMB_SET_POSIX_LOCK 0x208
2fe87f02 1536#define SMB_POSIX_OPEN 0x209
87f440e7 1537#define SMB_POSIX_UNLINK 0x20a
2dd29d31 1538#define SMB_SET_FILE_UNIX_INFO2 0x20b
1da177e4 1539#define SMB_SET_FILE_BASIC_INFO2 0x3ec
87f440e7 1540#define SMB_SET_FILE_RENAME_INFORMATION 0x3f2 /* BB check if qpathinfo too */
1da177e4
LT		 1541#define SMB_FILE_ALL_INFO2 0x3fa
1542#define SMB_SET_FILE_ALLOCATION_INFO2 0x3fb
1543#define SMB_SET_FILE_END_OF_FILE_INFO2 0x3fc
1544#define SMB_FILE_MOVE_CLUSTER_INFO 0x407
1545#define SMB_FILE_QUOTA_INFO 0x408
1546#define SMB_FILE_REPARSEPOINT_INFO 0x409
1547#define SMB_FILE_MAXIMUM_INFO 0x40d
1548
1549/* Find File infolevels */
5bafd765
SF		 1550#define SMB_FIND_FILE_INFO_STANDARD 0x001
1551#define SMB_FIND_FILE_QUERY_EA_SIZE 0x002
1552#define SMB_FIND_FILE_QUERY_EAS_FROM_LIST 0x003
1da177e4
LT		 1553#define SMB_FIND_FILE_DIRECTORY_INFO 0x101
1554#define SMB_FIND_FILE_FULL_DIRECTORY_INFO 0x102
1555#define SMB_FIND_FILE_NAMES_INFO 0x103
1556#define SMB_FIND_FILE_BOTH_DIRECTORY_INFO 0x104
1557#define SMB_FIND_FILE_ID_FULL_DIR_INFO 0x105
1558#define SMB_FIND_FILE_ID_BOTH_DIR_INFO 0x106
1559#define SMB_FIND_FILE_UNIX 0x202
1560
1561typedef struct smb_com_transaction2_qpi_req {
1562 struct smb_hdr hdr; /* wct = 14+ */
1563 __le16 TotalParameterCount;
1564 __le16 TotalDataCount;
1565 __le16 MaxParameterCount;
1566 __le16 MaxDataCount;
1567 __u8 MaxSetupCount;
1568 __u8 Reserved;
1569 __le16 Flags;
1570 __le32 Timeout;
1571 __u16 Reserved2;
1572 __le16 ParameterCount;
1573 __le16 ParameterOffset;
1574 __le16 DataCount;
1575 __le16 DataOffset;
1576 __u8 SetupCount;
1577 __u8 Reserved3;
1578 __le16 SubCommand; /* one setup word */
1579 __le16 ByteCount;
1580 __u8 Pad;
1581 __le16 InformationLevel;
1582 __u32 Reserved4;
1583 char FileName[1];
0753ca7b 1584} __attribute__((packed)) TRANSACTION2_QPI_REQ;
1da177e4
LT		 1585
1586typedef struct smb_com_transaction2_qpi_rsp {
1587 struct smb_hdr hdr; /* wct = 10 + SetupCount */
1588 struct trans2_resp t2;
1589 __u16 ByteCount;
87f440e7 1590 __u16 Reserved2; /* parameter word is present for infolevels > 100 */
0753ca7b 1591} __attribute__((packed)) TRANSACTION2_QPI_RSP;
1da177e4
LT		 1592
1593typedef struct smb_com_transaction2_spi_req {
1594 struct smb_hdr hdr; /* wct = 15 */
1595 __le16 TotalParameterCount;
1596 __le16 TotalDataCount;
1597 __le16 MaxParameterCount;
1598 __le16 MaxDataCount;
1599 __u8 MaxSetupCount;
1600 __u8 Reserved;
1601 __le16 Flags;
1602 __le32 Timeout;
1603 __u16 Reserved2;
1604 __le16 ParameterCount;
1605 __le16 ParameterOffset;
1606 __le16 DataCount;
1607 __le16 DataOffset;
1608 __u8 SetupCount;
1609 __u8 Reserved3;
1610 __le16 SubCommand; /* one setup word */
1611 __le16 ByteCount;
1612 __u8 Pad;
1613 __u16 Pad1;
1614 __le16 InformationLevel;
1615 __u32 Reserved4;
1616 char FileName[1];
0753ca7b 1617} __attribute__((packed)) TRANSACTION2_SPI_REQ;
1da177e4
LT		 1618
1619typedef struct smb_com_transaction2_spi_rsp {
1620 struct smb_hdr hdr; /* wct = 10 + SetupCount */
1621 struct trans2_resp t2;
1622 __u16 ByteCount;
87f440e7 1623 __u16 Reserved2; /* parameter word is present for infolevels > 100 */
0753ca7b 1624} __attribute__((packed)) TRANSACTION2_SPI_RSP;
1da177e4
LT		 1625
1626struct set_file_rename {
1627 __le32 overwrite; /* 1 = overwrite dest */
1628 __u32 root_fid; /* zero */
1629 __le32 target_name_len;
1630 char target_name[0]; /* Must be unicode */
0753ca7b 1631} __attribute__((packed));
1da177e4
LT		 1632
1633struct smb_com_transaction2_sfi_req {
1634 struct smb_hdr hdr; /* wct = 15 */
1635 __le16 TotalParameterCount;
1636 __le16 TotalDataCount;
1637 __le16 MaxParameterCount;
1638 __le16 MaxDataCount;
1639 __u8 MaxSetupCount;
1640 __u8 Reserved;
1641 __le16 Flags;
1642 __le32 Timeout;
1643 __u16 Reserved2;
1644 __le16 ParameterCount;
1645 __le16 ParameterOffset;
1646 __le16 DataCount;
1647 __le16 DataOffset;
1648 __u8 SetupCount;
1649 __u8 Reserved3;
1650 __le16 SubCommand; /* one setup word */
1651 __le16 ByteCount;
1652 __u8 Pad;
1653 __u16 Pad1;
1654 __u16 Fid;
1655 __le16 InformationLevel;
50c2f753 1656 __u16 Reserved4;
0753ca7b 1657} __attribute__((packed));
1da177e4
LT		 1658
1659struct smb_com_transaction2_sfi_rsp {
1660 struct smb_hdr hdr; /* wct = 10 + SetupCount */
1661 struct trans2_resp t2;
1662 __u16 ByteCount;
50c2f753 1663 __u16 Reserved2; /* parameter word reserved -
f654bac2 1664 present for infolevels > 100 */
0753ca7b 1665} __attribute__((packed));
f654bac2
SF		 1666
1667struct smb_t2_qfi_req {
50c2f753
SF		 1668 struct smb_hdr hdr;
1669 struct trans2_req t2;
f654bac2 1670 __u8 Pad;
f654bac2
SF		 1671 __u16 Fid;
1672 __le16 InformationLevel;
0753ca7b 1673} __attribute__((packed));
1da177e4 1674
f654bac2 1675struct smb_t2_qfi_rsp {
50c2f753
SF		 1676 struct smb_hdr hdr; /* wct = 10 + SetupCount */
1677 struct trans2_resp t2;
1678 __u16 ByteCount;
1679 __u16 Reserved2; /* parameter word reserved -
1680 present for infolevels > 100 */
0753ca7b 1681} __attribute__((packed));
1da177e4
LT		 1682
1683/*
50c2f753 1684 * Flags on T2 FINDFIRST and FINDNEXT
1da177e4
LT		 1685 */
1686#define CIFS_SEARCH_CLOSE_ALWAYS 0x0001
1687#define CIFS_SEARCH_CLOSE_AT_END 0x0002
1688#define CIFS_SEARCH_RETURN_RESUME 0x0004
1689#define CIFS_SEARCH_CONTINUE_FROM_LAST 0x0008
1690#define CIFS_SEARCH_BACKUP_SEARCH 0x0010
1691
1692/*
1693 * Size of the resume key on FINDFIRST and FINDNEXT calls
1694 */
1695#define CIFS_SMB_RESUME_KEY_SIZE 4
1696
1697typedef struct smb_com_transaction2_ffirst_req {
1698 struct smb_hdr hdr; /* wct = 15 */
1699 __le16 TotalParameterCount;
1700 __le16 TotalDataCount;
1701 __le16 MaxParameterCount;
1702 __le16 MaxDataCount;
1703 __u8 MaxSetupCount;
1704 __u8 Reserved;
1705 __le16 Flags;
1706 __le32 Timeout;
1707 __u16 Reserved2;
1708 __le16 ParameterCount;
1709 __le16 ParameterOffset;
1710 __le16 DataCount;
1711 __le16 DataOffset;
1712 __u8 SetupCount; /* one */
1713 __u8 Reserved3;
1714 __le16 SubCommand; /* TRANS2_FIND_FIRST */
1715 __le16 ByteCount;
1716 __u8 Pad;
1717 __le16 SearchAttributes;
1718 __le16 SearchCount;
1719 __le16 SearchFlags;
1720 __le16 InformationLevel;
1721 __le32 SearchStorageType;
1722 char FileName[1];
0753ca7b 1723} __attribute__((packed)) TRANSACTION2_FFIRST_REQ;
1da177e4
LT		 1724
1725typedef struct smb_com_transaction2_ffirst_rsp {
1726 struct smb_hdr hdr; /* wct = 10 */
1727 struct trans2_resp t2;
1728 __u16 ByteCount;
0753ca7b 1729} __attribute__((packed)) TRANSACTION2_FFIRST_RSP;
1da177e4
LT		 1730
1731typedef struct smb_com_transaction2_ffirst_rsp_parms {
1732 __u16 SearchHandle;
1733 __le16 SearchCount;
1734 __le16 EndofSearch;
1735 __le16 EAErrorOffset;
1736 __le16 LastNameOffset;
0753ca7b 1737} __attribute__((packed)) T2_FFIRST_RSP_PARMS;
1da177e4
LT		 1738
1739typedef struct smb_com_transaction2_fnext_req {
1740 struct smb_hdr hdr; /* wct = 15 */
1741 __le16 TotalParameterCount;
1742 __le16 TotalDataCount;
1743 __le16 MaxParameterCount;
1744 __le16 MaxDataCount;
1745 __u8 MaxSetupCount;
1746 __u8 Reserved;
1747 __le16 Flags;
1748 __le32 Timeout;
1749 __u16 Reserved2;
1750 __le16 ParameterCount;
1751 __le16 ParameterOffset;
1752 __le16 DataCount;
1753 __le16 DataOffset;
1754 __u8 SetupCount; /* one */
1755 __u8 Reserved3;
1756 __le16 SubCommand; /* TRANS2_FIND_NEXT */
1757 __le16 ByteCount;
1758 __u8 Pad;
1759 __u16 SearchHandle;
1760 __le16 SearchCount;
1761 __le16 InformationLevel;
1762 __u32 ResumeKey;
1763 __le16 SearchFlags;
1764 char ResumeFileName[1];
0753ca7b 1765} __attribute__((packed)) TRANSACTION2_FNEXT_REQ;
1da177e4
LT		 1766
1767typedef struct smb_com_transaction2_fnext_rsp {
1768 struct smb_hdr hdr; /* wct = 10 */
1769 struct trans2_resp t2;
1770 __u16 ByteCount;
0753ca7b 1771} __attribute__((packed)) TRANSACTION2_FNEXT_RSP;
1da177e4
LT		 1772
1773typedef struct smb_com_transaction2_fnext_rsp_parms {
1774 __le16 SearchCount;
1775 __le16 EndofSearch;
1776 __le16 EAErrorOffset;
1777 __le16 LastNameOffset;
0753ca7b 1778} __attribute__((packed)) T2_FNEXT_RSP_PARMS;
1da177e4
LT		 1779
1780/* QFSInfo Levels */
1781#define SMB_INFO_ALLOCATION 1
1782#define SMB_INFO_VOLUME 2
1783#define SMB_QUERY_FS_VOLUME_INFO 0x102
1784#define SMB_QUERY_FS_SIZE_INFO 0x103
1785#define SMB_QUERY_FS_DEVICE_INFO 0x104
1786#define SMB_QUERY_FS_ATTRIBUTE_INFO 0x105
1787#define SMB_QUERY_CIFS_UNIX_INFO 0x200
1788#define SMB_QUERY_POSIX_FS_INFO 0x201
87f440e7 1789#define SMB_QUERY_POSIX_WHO_AM_I 0x202
ee4987ab
SF		 1790#define SMB_REQUEST_TRANSPORT_ENCRYPTION 0x203
1791#define SMB_QUERY_FS_PROXY 0x204 /* WAFS enabled. Returns structure
2302aca8
SF		 1792 FILE_SYSTEM__UNIX_INFO to tell
1793 whether new NTIOCTL available
1794 (0xACE) for WAN friendly SMB
1795 operations to be carried */
1da177e4
LT		 1796#define SMB_QUERY_LABEL_INFO 0x3ea
1797#define SMB_QUERY_FS_QUOTA_INFO 0x3ee
1798#define SMB_QUERY_FS_FULL_SIZE_INFO 0x3ef
1799#define SMB_QUERY_OBJECTID_INFO 0x3f0
1800
1801typedef struct smb_com_transaction2_qfsi_req {
1802 struct smb_hdr hdr; /* wct = 14+ */
1803 __le16 TotalParameterCount;
1804 __le16 TotalDataCount;
1805 __le16 MaxParameterCount;
1806 __le16 MaxDataCount;
1807 __u8 MaxSetupCount;
1808 __u8 Reserved;
1809 __le16 Flags;
1810 __le32 Timeout;
1811 __u16 Reserved2;
1812 __le16 ParameterCount;
1813 __le16 ParameterOffset;
1814 __le16 DataCount;
1815 __le16 DataOffset;
1816 __u8 SetupCount;
1817 __u8 Reserved3;
1818 __le16 SubCommand; /* one setup word */
1819 __le16 ByteCount;
1820 __u8 Pad;
1821 __le16 InformationLevel;
0753ca7b 1822} __attribute__((packed)) TRANSACTION2_QFSI_REQ;
1da177e4
LT		 1823
1824typedef struct smb_com_transaction_qfsi_rsp {
1825 struct smb_hdr hdr; /* wct = 10 + SetupCount */
1826 struct trans2_resp t2;
1827 __u16 ByteCount;
87f440e7 1828 __u8 Pad; /* may be three bytes? *//* followed by data area */
0753ca7b 1829} __attribute__((packed)) TRANSACTION2_QFSI_RSP;
1da177e4 1830
87f440e7
SF		 1831typedef struct whoami_rsp_data { /* Query level 0x202 */
1832 __u32 flags; /* 0 = Authenticated user 1 = GUEST */
1833 __u32 mask; /* which flags bits server understands ie 0x0001 */
1834 __u64 unix_user_id;
1835 __u64 unix_user_gid;
1836 __u32 number_of_supplementary_gids; /* may be zero */
1837 __u32 number_of_sids; /* may be zero */
1838 __u32 length_of_sid_array; /* in bytes - may be zero */
1839 __u32 pad; /* reserved - MBZ */
1840 /* __u64 gid_array[0]; */ /* may be empty */
1841 /* __u8 * psid_list */ /* may be empty */
1842} __attribute__((packed)) WHOAMI_RSP_DATA;
ac67055e
JA		 1843
1844/* SETFSInfo Levels */
1845#define SMB_SET_CIFS_UNIX_INFO 0x200
1846typedef struct smb_com_transaction2_setfsi_req {
1847 struct smb_hdr hdr; /* wct = 15 */
1848 __le16 TotalParameterCount;
1849 __le16 TotalDataCount;
1850 __le16 MaxParameterCount;
1851 __le16 MaxDataCount;
1852 __u8 MaxSetupCount;
1853 __u8 Reserved;
1854 __le16 Flags;
1855 __le32 Timeout;
1856 __u16 Reserved2;
1857 __le16 ParameterCount; /* 4 */
1858 __le16 ParameterOffset;
1859 __le16 DataCount; /* 12 */
1860 __le16 DataOffset;
1861 __u8 SetupCount; /* one */
1862 __u8 Reserved3;
1863 __le16 SubCommand; /* TRANS2_SET_FS_INFORMATION */
1864 __le16 ByteCount;
1865 __u8 Pad;
1866 __u16 FileNum; /* Parameters start. */
1867 __le16 InformationLevel;/* Parameters end. */
1868 __le16 ClientUnixMajor; /* Data start. */
1869 __le16 ClientUnixMinor;
1870 __le64 ClientUnixCap; /* Data end */
0753ca7b 1871} __attribute__((packed)) TRANSACTION2_SETFSI_REQ;
ac67055e
JA		 1872
1873typedef struct smb_com_transaction2_setfsi_rsp {
1874 struct smb_hdr hdr; /* wct = 10 */
1875 struct trans2_resp t2;
1876 __u16 ByteCount;
0753ca7b 1877} __attribute__((packed)) TRANSACTION2_SETFSI_RSP;
ac67055e
JA		 1878
1879
1da177e4
LT		 1880typedef struct smb_com_transaction2_get_dfs_refer_req {
1881 struct smb_hdr hdr; /* wct = 15 */
1882 __le16 TotalParameterCount;
1883 __le16 TotalDataCount;
1884 __le16 MaxParameterCount;
1885 __le16 MaxDataCount;
1886 __u8 MaxSetupCount;
1887 __u8 Reserved;
1888 __le16 Flags;
1889 __le32 Timeout;
1890 __u16 Reserved2;
1891 __le16 ParameterCount;
1892 __le16 ParameterOffset;
1893 __le16 DataCount;
1894 __le16 DataOffset;
1895 __u8 SetupCount;
1896 __u8 Reserved3;
1897 __le16 SubCommand; /* one setup word */
1898 __le16 ByteCount;
50c2f753
SF		 1899 __u8 Pad[3]; /* Win2K has sent 0x0F01 (max response length
1900 perhaps?) followed by one byte pad - doesn't
1901 seem to matter though */
1da177e4
LT		 1902 __le16 MaxReferralLevel;
1903 char RequestFileName[1];
0753ca7b 1904} __attribute__((packed)) TRANSACTION2_GET_DFS_REFER_REQ;
1da177e4
LT		 1905
1906typedef struct dfs_referral_level_3 {
1907 __le16 VersionNumber;
1908 __le16 ReferralSize;
1909 __le16 ServerType; /* 0x0001 = CIFS server */
50c2f753
SF		 1910 __le16 ReferralFlags; /* or proximity - not clear which since it is
1911 always set to zero - SNIA spec says 0x01
1912 means strip off PathConsumed chars before
1913 submitting RequestFileName to remote node */
1da177e4
LT		 1914 __le16 TimeToLive;
1915 __le16 Proximity;
1916 __le16 DfsPathOffset;
1917 __le16 DfsAlternatePathOffset;
1918 __le16 NetworkAddressOffset;
0753ca7b 1919} __attribute__((packed)) REFERRAL3;
1da177e4
LT		 1920
1921typedef struct smb_com_transaction_get_dfs_refer_rsp {
1922 struct smb_hdr hdr; /* wct = 10 */
1923 struct trans2_resp t2;
1924 __u16 ByteCount;
1925 __u8 Pad;
1926 __le16 PathConsumed;
1927 __le16 NumberOfReferrals;
1928 __le16 DFSFlags;
1929 __u16 Pad2;
1930 REFERRAL3 referrals[1]; /* array of level 3 dfs_referral structures */
1931 /* followed by the strings pointed to by the referral structures */
0753ca7b 1932} __attribute__((packed)) TRANSACTION2_GET_DFS_REFER_RSP;
1da177e4
LT		 1933
1934/* DFS Flags */
1935#define DFSREF_REFERRAL_SERVER 0x0001
1936#define DFSREF_STORAGE_SERVER 0x0002
1937
1938/* IOCTL information */
50c2f753
SF		 1939/*
1940 * List of ioctl function codes that look to be of interest to remote clients
1941 * like this one. Need to do some experimentation to make sure they all work
1942 * remotely. Some of the following, such as the encryption/compression ones
1943 * would be invoked from tools via a specialized hook into the VFS rather
1944 * than via the standard vfs entry points
1945 */
1da177e4
LT		 1946#define FSCTL_REQUEST_OPLOCK_LEVEL_1 0x00090000
1947#define FSCTL_REQUEST_OPLOCK_LEVEL_2 0x00090004
1948#define FSCTL_REQUEST_BATCH_OPLOCK 0x00090008
1949#define FSCTL_LOCK_VOLUME 0x00090018
1950#define FSCTL_UNLOCK_VOLUME 0x0009001C
1951#define FSCTL_GET_COMPRESSION 0x0009003C
1952#define FSCTL_SET_COMPRESSION 0x0009C040
1953#define FSCTL_REQUEST_FILTER_OPLOCK 0x0009008C
1954#define FSCTL_FILESYS_GET_STATISTICS 0x00090090
1955#define FSCTL_SET_REPARSE_POINT 0x000900A4
1956#define FSCTL_GET_REPARSE_POINT 0x000900A8
1957#define FSCTL_DELETE_REPARSE_POINT 0x000900AC
1958#define FSCTL_SET_SPARSE 0x000900C4
1959#define FSCTL_SET_ZERO_DATA 0x000900C8
1960#define FSCTL_SET_ENCRYPTION 0x000900D7
1961#define FSCTL_ENCRYPTION_FSCTL_IO 0x000900DB
1962#define FSCTL_WRITE_RAW_ENCRYPTED 0x000900DF
1963#define FSCTL_READ_RAW_ENCRYPTED 0x000900E3
1964#define FSCTL_SIS_COPYFILE 0x00090100
1965#define FSCTL_SIS_LINK_FILES 0x0009C104
1966
1967#define IO_REPARSE_TAG_MOUNT_POINT 0xA0000003
1968#define IO_REPARSE_TAG_HSM 0xC0000004
1969#define IO_REPARSE_TAG_SIS 0x80000007
1970
1971/*
1972 ************************************************************************
1973 * All structs for everything above the SMB PDUs themselves
50c2f753 1974 * (such as the T2 level specific data) go here
1da177e4
LT		 1975 ************************************************************************
1976 */
1977
1978/*
1979 * Information on a server
1980 */
1981
1982struct serverInfo {
1983 char name[16];
1984 unsigned char versionMajor;
1985 unsigned char versionMinor;
1986 unsigned long type;
1987 unsigned int commentOffset;
0753ca7b 1988} __attribute__((packed));
1da177e4
LT		 1989
1990/*
1991 * The following structure is the format of the data returned on a NetShareEnum
1992 * with level "90" (x5A)
1993 */
1994
1995struct shareInfo {
1996 char shareName[13];
1997 char pad;
1998 unsigned short type;
1999 unsigned int commentOffset;
0753ca7b 2000} __attribute__((packed));
1da177e4
LT		 2001
2002struct aliasInfo {
2003 char aliasName[9];
2004 char pad;
2005 unsigned int commentOffset;
2006 unsigned char type[2];
0753ca7b 2007} __attribute__((packed));
1da177e4
LT		 2008
2009struct aliasInfo92 {
2010 int aliasNameOffset;
2011 int serverNameOffset;
2012 int shareNameOffset;
0753ca7b 2013} __attribute__((packed));
1da177e4
LT		 2014
2015typedef struct {
2016 __le64 TotalAllocationUnits;
2017 __le64 FreeAllocationUnits;
2018 __le32 SectorsPerAllocationUnit;
2019 __le32 BytesPerSector;
50c2f753 2020} __attribute__((packed)) FILE_SYSTEM_INFO; /* size info, level 0x103 */
1da177e4 2021
20962438
SF		 2022typedef struct {
2023 __le32 fsid;
2024 __le32 SectorsPerAllocationUnit;
2025 __le32 TotalAllocationUnits;
2026 __le32 FreeAllocationUnits;
2027 __le16 BytesPerSector;
0753ca7b 2028} __attribute__((packed)) FILE_SYSTEM_ALLOC_INFO;
20962438 2029
1da177e4
LT		 2030typedef struct {
2031 __le16 MajorVersionNumber;
2032 __le16 MinorVersionNumber;
2033 __le64 Capability;
50c2f753 2034} __attribute__((packed)) FILE_SYSTEM_UNIX_INFO; /* Unix extension level 0x200*/
ac67055e
JA		 2035
2036/* Version numbers for CIFS UNIX major and minor. */
2037#define CIFS_UNIX_MAJOR_VERSION 1
2038#define CIFS_UNIX_MINOR_VERSION 0
2039
1da177e4
LT		 2040/* Linux/Unix extensions capability flags */
2041#define CIFS_UNIX_FCNTL_CAP 0x00000001 /* support for fcntl locks */
f654bac2
SF		 2042#define CIFS_UNIX_POSIX_ACL_CAP 0x00000002 /* support getfacl/setfacl */
2043#define CIFS_UNIX_XATTR_CAP 0x00000004 /* support new namespace */
2044#define CIFS_UNIX_EXTATTR_CAP 0x00000008 /* support chattr/chflag */
82940a46 2045#define CIFS_UNIX_POSIX_PATHNAMES_CAP 0x00000010 /* Allow POSIX path chars */
87f440e7
SF		 2046#define CIFS_UNIX_POSIX_PATH_OPS_CAP 0x00000020 /* Allow new POSIX path based
2047 calls including posix open
75865f8c
SF		 2048 and posix unlink */
2049#define CIFS_UNIX_LARGE_READ_CAP 0x00000040 /* support reads >128K (up
50c2f753 2050 to 0xFFFF00 */
75865f8c 2051#define CIFS_UNIX_LARGE_WRITE_CAP 0x00000080
a7f796a6
SF		 2052#define CIFS_UNIX_TRANSPORT_ENCRYPTION_CAP 0x00000100 /* can do SPNEGO crypt */
2053#define CIFS_UNIX_TRANPSORT_ENCRYPTION_MANDATORY_CAP 0x00000200 /* must do */
ee4987ab 2054#define CIFS_UNIX_PROXY_CAP 0x00000400 /* Proxy cap: 0xACE ioctl and
2302aca8 2055 QFS PROXY call */
82940a46 2056#ifdef CONFIG_CIFS_POSIX
38e2aff6
SF		 2057/* Can not set pathnames cap yet until we send new posix create SMB since
2058 otherwise server can treat such handles opened with older ntcreatex
2059 (by a new client which knows how to send posix path ops)
2060 as non-posix handles (can affect write behavior with byte range locks.
2061 We can add back in POSIX_PATH_OPS cap when Posix Create/Mkdir finished */
75865f8c 2062/* #define CIFS_UNIX_CAP_MASK 0x000000fb */
50c2f753
SF		 2063#define CIFS_UNIX_CAP_MASK 0x000000db
2064#else
82940a46
SF		 2065#define CIFS_UNIX_CAP_MASK 0x00000013
2066#endif /* CONFIG_CIFS_POSIX */
2067
ac67055e 2068
f28ac91b 2069#define CIFS_POSIX_EXTENSIONS 0x00000010 /* support for new QFSInfo */
ac67055e 2070
1da177e4
LT		 2071typedef struct {
2072 /* For undefined recommended transfer size return -1 in that field */
2073 __le32 OptimalTransferSize; /* bsize on some os, iosize on other os */
50c2f753 2074 __le32 BlockSize;
1da177e4
LT		 2075 /* The next three fields are in terms of the block size.
2076 (above). If block size is unknown, 4096 would be a
50c2f753 2077 reasonable block size for a server to report.
1da177e4
LT		 2078 Note that returning the blocks/blocksavail removes need
2079 to make a second call (to QFSInfo level 0x103 to get this info.
2080 UserBlockAvail is typically less than or equal to BlocksAvail,
2081 if no distinction is made return the same value in each */
2082 __le64 TotalBlocks;
2083 __le64 BlocksAvail; /* bfree */
2084 __le64 UserBlocksAvail; /* bavail */
2085 /* For undefined Node fields or FSID return -1 */
2086 __le64 TotalFileNodes;
2087 __le64 FreeFileNodes;
2088 __le64 FileSysIdentifier; /* fsid */
2089 /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */
2090 /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call */
0753ca7b 2091} __attribute__((packed)) FILE_SYSTEM_POSIX_INFO;
1da177e4
LT		 2092
2093/* DeviceType Flags */
2094#define FILE_DEVICE_CD_ROM 0x00000002
2095#define FILE_DEVICE_CD_ROM_FILE_SYSTEM 0x00000003
2096#define FILE_DEVICE_DFS 0x00000006
2097#define FILE_DEVICE_DISK 0x00000007
2098#define FILE_DEVICE_DISK_FILE_SYSTEM 0x00000008
2099#define FILE_DEVICE_FILE_SYSTEM 0x00000009
2100#define FILE_DEVICE_NAMED_PIPE 0x00000011
2101#define FILE_DEVICE_NETWORK 0x00000012
2102#define FILE_DEVICE_NETWORK_FILE_SYSTEM 0x00000014
2103#define FILE_DEVICE_NULL 0x00000015
2104#define FILE_DEVICE_PARALLEL_PORT 0x00000016
2105#define FILE_DEVICE_PRINTER 0x00000018
2106#define FILE_DEVICE_SERIAL_PORT 0x0000001b
2107#define FILE_DEVICE_STREAMS 0x0000001e
2108#define FILE_DEVICE_TAPE 0x0000001f
2109#define FILE_DEVICE_TAPE_FILE_SYSTEM 0x00000020
2110#define FILE_DEVICE_VIRTUAL_DISK 0x00000024
2111#define FILE_DEVICE_NETWORK_REDIRECTOR 0x00000028
2112
2113typedef struct {
2114 __le32 DeviceType;
2115 __le32 DeviceCharacteristics;
3979877e 2116} __attribute__((packed)) FILE_SYSTEM_DEVICE_INFO; /* device info level 0x104 */
1da177e4
LT		 2117
2118typedef struct {
2119 __le32 Attributes;
2120 __le32 MaxPathNameComponentLength;
2121 __le32 FileSystemNameLen;
3979877e 2122 char FileSystemName[52]; /* do not have to save this - get subset? */
0753ca7b 2123} __attribute__((packed)) FILE_SYSTEM_ATTRIBUTE_INFO;
1da177e4
LT		 2124
2125/******************************************************************************/
2126/* QueryFileInfo/QueryPathinfo (also for SetPath/SetFile) data buffer formats */
2127/******************************************************************************/
2128typedef struct { /* data block encoding of response to level 263 QPathInfo */
2129 __le64 CreationTime;
2130 __le64 LastAccessTime;
2131 __le64 LastWriteTime;
2132 __le64 ChangeTime;
2133 __le32 Attributes;
2134 __u32 Pad1;
2135 __le64 AllocationSize;
2136 __le64 EndOfFile; /* size ie offset to first free byte in file */
2137 __le32 NumberOfLinks; /* hard links */
2138 __u8 DeletePending;
2139 __u8 Directory;
2140 __u16 Pad2;
2141 __u64 IndexNumber;
2142 __le32 EASize;
2143 __le32 AccessFlags;
2144 __u64 IndexNumber1;
2145 __le64 CurrentByteOffset;
2146 __le32 Mode;
2147 __le32 AlignmentRequirement;
2148 __le32 FileNameLength;
2149 char FileName[1];
87f440e7 2150} __attribute__((packed)) FILE_ALL_INFO; /* level 0x107 QPathInfo */
1da177e4
LT		 2151
2152/* defines for enumerating possible values of the Unix type field below */
2153#define UNIX_FILE 0
2154#define UNIX_DIR 1
2155#define UNIX_SYMLINK 2
2156#define UNIX_CHARDEV 3
2157#define UNIX_BLOCKDEV 4
2158#define UNIX_FIFO 5
2159#define UNIX_SOCKET 6
2160typedef struct {
2161 __le64 EndOfFile;
2162 __le64 NumOfBytes;
2163 __le64 LastStatusChange; /*SNIA specs DCE time for the 3 time fields */
2164 __le64 LastAccessTime;
2165 __le64 LastModificationTime;
2166 __le64 Uid;
2167 __le64 Gid;
2168 __le32 Type;
2169 __le64 DevMajor;
2170 __le64 DevMinor;
2171 __u64 UniqueId;
2172 __le64 Permissions;
2173 __le64 Nlinks;
87f440e7 2174} __attribute__((packed)) FILE_UNIX_BASIC_INFO; /* level 0x200 QPathInfo */
1da177e4
LT		 2175
2176typedef struct {
2177 char LinkDest[1];
87f440e7 2178} __attribute__((packed)) FILE_UNIX_LINK_INFO; /* level 0x201 QPathInfo */
1da177e4
LT		 2179
2180/* The following three structures are needed only for
2181 setting time to NT4 and some older servers via
2182 the primitive DOS time format */
2183typedef struct {
2184 __u16 Day:5;
2185 __u16 Month:4;
2186 __u16 Year:7;
0753ca7b 2187} __attribute__((packed)) SMB_DATE;
1da177e4
LT		 2188
2189typedef struct {
2190 __u16 TwoSeconds:5;
2191 __u16 Minutes:6;
2192 __u16 Hours:5;
0753ca7b 2193} __attribute__((packed)) SMB_TIME;
1da177e4
LT		 2194
2195typedef struct {
2196 __le16 CreationDate; /* SMB Date see above */
2197 __le16 CreationTime; /* SMB Time */
2198 __le16 LastAccessDate;
2199 __le16 LastAccessTime;
2200 __le16 LastWriteDate;
2201 __le16 LastWriteTime;
2202 __le32 DataSize; /* File Size (EOF) */
2203 __le32 AllocationSize;
2204 __le16 Attributes; /* verify not u32 */
2205 __le32 EASize;
0753ca7b 2206} __attribute__((packed)) FILE_INFO_STANDARD; /* level 1 SetPath/FileInfo */
1da177e4
LT		 2207
2208typedef struct {
2209 __le64 CreationTime;
2210 __le64 LastAccessTime;
2211 __le64 LastWriteTime;
2212 __le64 ChangeTime;
2213 __le32 Attributes;
2214 __u32 Pad;
87f440e7 2215} __attribute__((packed)) FILE_BASIC_INFO; /* size info, level 0x101 */
1da177e4
LT		 2216
2217struct file_allocation_info {
2218 __le64 AllocationSize; /* Note old Samba srvr rounds this up too much */
5bafd765
SF		 2219} __attribute__((packed)); /* size used on disk, for level 0x103 for set,
2220 0x105 for query */
1da177e4
LT		 2221
2222struct file_end_of_file_info {
2223 __le64 FileSize; /* offset to end of file */
87f440e7 2224} __attribute__((packed)); /* size info, level 0x104 for set, 0x106 for query */
1da177e4
LT		 2225
2226struct file_alt_name_info {
2227 __u8 alt_name[1];
0753ca7b 2228} __attribute__((packed)); /* level 0x0108 */
1da177e4
LT		 2229
2230struct file_stream_info {
2231 __le32 number_of_streams; /* BB check sizes and verify location */
50c2f753 2232 /* followed by info on streams themselves
1da177e4 2233 u64 size;
50c2f753 2234 u64 allocation_size
1da177e4
LT		 2235 stream info */
2236}; /* level 0x109 */
2237
2238struct file_compression_info {
2239 __le64 compressed_size;
2240 __le16 format;
2241 __u8 unit_shift;
2242 __u8 ch_shift;
2243 __u8 cl_shift;
2244 __u8 pad[3];
0753ca7b 2245} __attribute__((packed)); /* level 0x10b */
1da177e4
LT		 2246
2247/* POSIX ACL set/query path info structures */
2248#define CIFS_ACL_VERSION 1
2249struct cifs_posix_ace { /* access control entry (ACE) */
2250 __u8 cifs_e_tag;
2251 __u8 cifs_e_perm;
2252 __le64 cifs_uid; /* or gid */
50c2f753 2253} __attribute__((packed));
1da177e4
LT		 2254
2255struct cifs_posix_acl { /* access conrol list (ACL) */
2256 __le16 version;
2257 __le16 access_entry_count; /* access ACL - count of entries */
2258 __le16 default_entry_count; /* default ACL - count of entries */
2259 struct cifs_posix_ace ace_array[0];
2260 /* followed by
2261 struct cifs_posix_ace default_ace_arraay[] */
0753ca7b 2262} __attribute__((packed)); /* level 0x204 */
1da177e4
LT		 2263
2264/* types of access control entries already defined in posix_acl.h */
2265/* #define CIFS_POSIX_ACL_USER_OBJ 0x01
2266#define CIFS_POSIX_ACL_USER 0x02
2267#define CIFS_POSIX_ACL_GROUP_OBJ 0x04
2268#define CIFS_POSIX_ACL_GROUP 0x08
2269#define CIFS_POSIX_ACL_MASK 0x10
2270#define CIFS_POSIX_ACL_OTHER 0x20 */
2271
2272/* types of perms */
2273/* #define CIFS_POSIX_ACL_EXECUTE 0x01
2274#define CIFS_POSIX_ACL_WRITE 0x02
2275#define CIFS_POSIX_ACL_READ 0x04 */
2276
2277/* end of POSIX ACL definitions */
2278
2dd29d31
SF		 2279/* POSIX Open Flags */
2280#define SMB_O_RDONLY 0x1
2281#define SMB_O_WRONLY 0x2
2282#define SMB_O_RDWR 0x4
2283#define SMB_O_CREAT 0x10
2284#define SMB_O_EXCL 0x20
2285#define SMB_O_TRUNC 0x40
2286#define SMB_O_APPEND 0x80
2287#define SMB_O_SYNC 0x100
2288#define SMB_O_DIRECTORY 0x200
2289#define SMB_O_NOFOLLOW 0x400
2290#define SMB_O_DIRECT 0x800
2291
595dcfec 2292typedef struct {
2dd29d31
SF		 2293 __le32 OpenFlags; /* same as NT CreateX */
2294 __le32 PosixOpenFlags;
2295 __le64 Permissions;
2296 __le16 Level; /* reply level requested (see QPathInfo levels) */
595dcfec
SF		 2297} __attribute__((packed)) OPEN_PSX_REQ; /* level 0x209 SetPathInfo data */
2298
2299typedef struct {
2dd29d31
SF		 2300 __le16 OplockFlags;
2301 __u16 Fid;
2302 __le32 CreateAction;
2303 __le16 ReturnedLevel;
2304 __le16 Pad;
2305 /* struct following varies based on requested level */
8af18971 2306} __attribute__((packed)) OPEN_PSX_RSP; /* level 0x209 SetPathInfo data */
595dcfec 2307
2d785a50
SF		 2308#define SMB_POSIX_UNLINK_FILE_TARGET 0
2309#define SMB_POSIX_UNLINK_DIRECTORY_TARGET 1
2310
2311struct unlink_psx_rq { /* level 0x20a SetPathInfo */
2312 __le16 type;
2313} __attribute__((packed));
595dcfec 2314
1da177e4
LT		 2315struct file_internal_info {
2316 __u64 UniqueId; /* inode number */
0753ca7b 2317} __attribute__((packed)); /* level 0x3ee */
2dd29d31 2318
1da177e4
LT		 2319struct file_mode_info {
2320 __le32 Mode;
0753ca7b 2321} __attribute__((packed)); /* level 0x3f8 */
1da177e4
LT		 2322
2323struct file_attrib_tag {
2324 __le32 Attribute;
2325 __le32 ReparseTag;
0753ca7b 2326} __attribute__((packed)); /* level 0x40b */
1da177e4
LT		 2327
2328
2329/********************************************************/
50c2f753 2330/* FindFirst/FindNext transact2 data buffer formats */
1da177e4
LT		 2331/********************************************************/
2332
2333typedef struct {
2334 __le32 NextEntryOffset;
2335 __u32 ResumeKey; /* as with FileIndex - no need to convert */
2336 __le64 EndOfFile;
2337 __le64 NumOfBytes;
2338 __le64 LastStatusChange; /*SNIA specs DCE time for the 3 time fields */
2339 __le64 LastAccessTime;
2340 __le64 LastModificationTime;
2341 __le64 Uid;
2342 __le64 Gid;
2343 __le32 Type;
2344 __le64 DevMajor;
2345 __le64 DevMinor;
2346 __u64 UniqueId;
2347 __le64 Permissions;
2348 __le64 Nlinks;
2349 char FileName[1];
0753ca7b 2350} __attribute__((packed)) FILE_UNIX_INFO; /* level 0x202 */
1da177e4
LT		 2351
2352typedef struct {
2353 __le32 NextEntryOffset;
2354 __u32 FileIndex;
2355 __le64 CreationTime;
2356 __le64 LastAccessTime;
2357 __le64 LastWriteTime;
2358 __le64 ChangeTime;
2359 __le64 EndOfFile;
2360 __le64 AllocationSize;
2361 __le32 ExtFileAttributes;
2362 __le32 FileNameLength;
2363 char FileName[1];
5bafd765 2364} __attribute__((packed)) FILE_DIRECTORY_INFO; /* level 0x101 FF resp data */
1da177e4
LT		 2365
2366typedef struct {
2367 __le32 NextEntryOffset;
2368 __u32 FileIndex;
2369 __le64 CreationTime;
2370 __le64 LastAccessTime;
2371 __le64 LastWriteTime;
2372 __le64 ChangeTime;
2373 __le64 EndOfFile;
2374 __le64 AllocationSize;
2375 __le32 ExtFileAttributes;
2376 __le32 FileNameLength;
2377 __le32 EaSize; /* length of the xattrs */
2378 char FileName[1];
5bafd765 2379} __attribute__((packed)) FILE_FULL_DIRECTORY_INFO; /* level 0x102 rsp data */
1da177e4
LT		 2380
2381typedef struct {
2382 __le32 NextEntryOffset;
2383 __u32 FileIndex;
2384 __le64 CreationTime;
2385 __le64 LastAccessTime;
2386 __le64 LastWriteTime;
2387 __le64 ChangeTime;
2388 __le64 EndOfFile;
2389 __le64 AllocationSize;
2390 __le32 ExtFileAttributes;
2391 __le32 FileNameLength;
2392 __le32 EaSize; /* EA size */
2393 __le32 Reserved;
2394 __u64 UniqueId; /* inode num - le since Samba puts ino in low 32 bit*/
2395 char FileName[1];
5bafd765 2396} __attribute__((packed)) SEARCH_ID_FULL_DIR_INFO; /* level 0x105 FF rsp data */
1da177e4
LT		 2397
2398typedef struct {
2399 __le32 NextEntryOffset;
2400 __u32 FileIndex;
2401 __le64 CreationTime;
2402 __le64 LastAccessTime;
2403 __le64 LastWriteTime;
2404 __le64 ChangeTime;
2405 __le64 EndOfFile;
2406 __le64 AllocationSize;
2407 __le32 ExtFileAttributes;
50c2f753 2408 __le32 FileNameLength;
1da177e4
LT		 2409 __le32 EaSize; /* length of the xattrs */
2410 __u8 ShortNameLength;
2411 __u8 Reserved;
2412 __u8 ShortName[12];
2413 char FileName[1];
5bafd765
SF		 2414} __attribute__((packed)) FILE_BOTH_DIRECTORY_INFO; /* level 0x104 FFrsp data */
2415
2416typedef struct {
2417 __u32 ResumeKey;
2418 __le16 CreationDate; /* SMB Date */
2419 __le16 CreationTime; /* SMB Time */
2420 __le16 LastAccessDate;
2421 __le16 LastAccessTime;
2422 __le16 LastWriteDate;
2423 __le16 LastWriteTime;
2424 __le32 DataSize; /* File Size (EOF) */
2425 __le32 AllocationSize;
2426 __le16 Attributes; /* verify not u32 */
2427 __u8 FileNameLength;
2428 char FileName[1];
2429} __attribute__((packed)) FIND_FILE_STANDARD_INFO; /* level 0x1 FF resp data */
1da177e4
LT		 2430
2431
86c96b4b
SF		 2432struct win_dev {
2433 unsigned char type[8]; /* IntxCHR or IntxBLK */
2434 __le64 major;
50c2f753 2435 __le64 minor;
86c96b4b
SF		 2436} __attribute__((packed));
2437
1da177e4
LT		 2438struct gea {
2439 unsigned char name_len;
2440 char name[1];
0753ca7b 2441} __attribute__((packed));
1da177e4
LT		 2442
2443struct gealist {
2444 unsigned long list_len;
2445 struct gea list[1];
0753ca7b 2446} __attribute__((packed));
1da177e4
LT		 2447
2448struct fea {
2449 unsigned char EA_flags;
2450 __u8 name_len;
2451 __le16 value_len;
2452 char name[1];
2453 /* optionally followed by value */
0753ca7b 2454} __attribute__((packed));
1da177e4
LT		 2455/* flags for _FEA.fEA */
2456#define FEA_NEEDEA 0x80 /* need EA bit */
2457
2458struct fealist {
2459 __le32 list_len;
2460 struct fea list[1];
0753ca7b 2461} __attribute__((packed));
1da177e4
LT		 2462
2463/* used to hold an arbitrary blob of data */
2464struct data_blob {
2465 __u8 *data;
2466 size_t length;
50c2f753 2467 void (*free) (struct data_blob *data_blob);
0753ca7b 2468} __attribute__((packed));
1da177e4
LT		 2469
2470
2471#ifdef CONFIG_CIFS_POSIX
50c2f753 2472/*
1da177e4
LT		 2473 For better POSIX semantics from Linux client, (even better
2474 than the existing CIFS Unix Extensions) we need updated PDUs for:
50c2f753 2475
1da177e4
LT		 2476 1) PosixCreateX - to set and return the mode, inode#, device info and
2477 perhaps add a CreateDevice - to create Pipes and other special .inodes
2478 Also note POSIX open flags
50c2f753 2479 2) Close - to return the last write time to do cache across close
87f440e7 2480 more safely
50c2f753 2481 3) FindFirst return unique inode number - what about resume key, two
1982c344
SF		 2482 forms short (matches readdir) and full (enough info to cache inodes)
2483 4) Mkdir - set mode
50c2f753
SF		 2484
2485 And under consideration:
1982c344 2486 5) FindClose2 (return nanosecond timestamp ??)
50c2f753 2487 6) Use nanosecond timestamps throughout all time fields if
1da177e4 2488 corresponding attribute flag is set
1982c344
SF		 2489 7) sendfile - handle based copy
2490 8) Direct i/o
2491 9) Misc fcntls?
50c2f753 2492
1da177e4 2493 what about fixing 64 bit alignment
50c2f753 2494
1da177e4 2495 There are also various legacy SMB/CIFS requests used as is
50c2f753 2496
1da177e4
LT		 2497 From existing Lanman and NTLM dialects:
2498 --------------------------------------
2499 NEGOTIATE
2500 SESSION_SETUP_ANDX (BB which?)
2501 TREE_CONNECT_ANDX (BB which wct?)
2502 TREE_DISCONNECT (BB add volume timestamp on response)
2503 LOGOFF_ANDX
2504 DELETE (note delete open file behavior)
2505 DELETE_DIRECTORY
2506 READ_AND_X
2507 WRITE_AND_X
2508 LOCKING_AND_X (note posix lock semantics)
2509 RENAME (note rename across dirs and open file rename posix behaviors)
2510 NT_RENAME (for hardlinks) Is this good enough for all features?
2511 FIND_CLOSE2
2512 TRANSACTION2 (18 cases)
2513 SMB_SET_FILE_END_OF_FILE_INFO2 SMB_SET_PATH_END_OF_FILE_INFO2
2514 (BB verify that never need to set allocation size)
87f440e7
SF		 2515 SMB_SET_FILE_BASIC_INFO2 (setting times - BB can it be done via
2516 Unix ext?)
50c2f753 2517
1da177e4
LT		 2518 COPY (note support for copy across directories) - FUTURE, OPTIONAL
2519 setting/getting OS/2 EAs - FUTURE (BB can this handle
2520 setting Linux xattrs perfectly) - OPTIONAL
2521 dnotify - FUTURE, OPTIONAL
2522 quota - FUTURE, OPTIONAL
50c2f753
SF		 2523
2524 Note that various requests implemented for NT interop such as
1da177e4
LT		 2525 NT_TRANSACT (IOCTL) QueryReparseInfo
2526 are unneeded to servers compliant with the CIFS POSIX extensions
50c2f753 2527
1da177e4
LT		 2528 From CIFS Unix Extensions:
2529 -------------------------
2530 T2 SET_PATH_INFO (SMB_SET_FILE_UNIX_LINK) for symlinks
2531 T2 SET_PATH_INFO (SMB_SET_FILE_BASIC_INFO2)
2532 T2 QUERY_PATH_INFO (SMB_QUERY_FILE_UNIX_LINK)
50c2f753
SF		 2533 T2 QUERY_PATH_INFO (SMB_QUERY_FILE_UNIX_BASIC) BB check for missing
2534 inode fields
2535 Actually a need QUERY_FILE_UNIX_INFO
2536 since has inode num
2537 BB what about a) blksize/blkbits/blocks
87f440e7
SF		 2538 b) i_version
2539 c) i_rdev
2540 d) notify mask?
2541 e) generation
2542 f) size_seqcount
1da177e4 2543 T2 FIND_FIRST/FIND_NEXT FIND_FILE_UNIX
50c2f753 2544 TRANS2_GET_DFS_REFERRAL - OPTIONAL but recommended
1da177e4 2545 T2_QFS_INFO QueryDevice/AttributeInfo - OPTIONAL
1da177e4
LT		 2546 */
2547
1982c344 2548/* xsymlink is a symlink format (used by MacOS) that can be used
50c2f753 2549 to save symlink info in a regular file when
1da177e4
LT		 2550 mounted to operating systems that do not
2551 support the cifs Unix extensions or EAs (for xattr
2552 based symlinks). For such a file to be recognized
50c2f753 2553 as containing symlink data:
1da177e4 2554
50c2f753 2555 1) file size must be 1067,
1da177e4
LT		 2556 2) signature must begin file data,
2557 3) length field must be set to ASCII representation
50c2f753 2558 of a number which is less than or equal to 1024,
1da177e4
LT		 2559 4) md5 must match that of the path data */
2560
2561struct xsymlink {
2562 /* 1067 bytes */
2563 char signature[4]; /* XSym */ /* not null terminated */
2564 char cr0; /* \n */
2565/* ASCII representation of length (4 bytes decimal) terminated by \n not null */
2566 char length[4];
2567 char cr1; /* \n */
2568/* md5 of valid subset of path ie path[0] through path[length-1] */
50c2f753 2569 __u8 md5[32];
1da177e4
LT		 2570 char cr2; /* \n */
2571/* if room left, then end with \n then 0x20s by convention but not required */
50c2f753 2572 char path[1024];
0753ca7b 2573} __attribute__((packed));
1da177e4 2574
f654bac2 2575typedef struct file_xattr_info {
1da177e4
LT		 2576 /* BB do we need another field for flags? BB */
2577 __u32 xattr_name_len;
2578 __u32 xattr_value_len;
2579 char xattr_name[0];
2580 /* followed by xattr_value[xattr_value_len], no pad */
50c2f753
SF		 2581} __attribute__((packed)) FILE_XATTR_INFO; /* extended attribute info
2582 level 0x205 */
f654bac2
SF		 2583
2584
2585/* flags for chattr command */
2586#define EXT_SECURE_DELETE 0x00000001 /* EXT3_SECRM_FL */
2587#define EXT_ENABLE_UNDELETE 0x00000002 /* EXT3_UNRM_FL */
2588/* Reserved for compress file 0x4 */
2589#define EXT_SYNCHRONOUS 0x00000008 /* EXT3_SYNC_FL */
2590#define EXT_IMMUTABLE_FL 0x00000010 /* EXT3_IMMUTABLE_FL */
2591#define EXT_OPEN_APPEND_ONLY 0x00000020 /* EXT3_APPEND_FL */
2592#define EXT_DO_NOT_BACKUP 0x00000040 /* EXT3_NODUMP_FL */
2593#define EXT_NO_UPDATE_ATIME 0x00000080 /* EXT3_NOATIME_FL */
2594/* 0x100 through 0x800 reserved for compression flags and are GET-ONLY */
2595#define EXT_HASH_TREE_INDEXED_DIR 0x00001000 /* GET-ONLY EXT3_INDEX_FL */
2596/* 0x2000 reserved for IMAGIC_FL */
2597#define EXT_JOURNAL_THIS_FILE 0x00004000 /* GET-ONLY EXT3_JOURNAL_DATA_FL */
2598/* 0x8000 reserved for EXT3_NOTAIL_FL */
2599#define EXT_SYNCHRONOUS_DIR 0x00010000 /* EXT3_DIRSYNC_FL */
2600#define EXT_TOPDIR 0x00020000 /* EXT3_TOPDIR_FL */
2601
2602#define EXT_SET_MASK 0x000300FF
2603#define EXT_GET_MASK 0x0003DFFF
2604
2605typedef struct file_chattr_info {
2606 __le64 mask; /* list of all possible attribute bits */
2607 __le64 mode; /* list of actual attribute bits on this inode */
50c2f753
SF		 2608} __attribute__((packed)) FILE_CHATTR_INFO; /* ext attributes
2609 (chattr, chflags) level 0x206 */
1da177e4 2610
50c2f753 2611#endif
1da177e4 2612
1da177e4 2613#endif /* _CIFSPDU_H */
Linux 6.x block layer and io_uring tree(s)