2 Unix SMB/CIFS implementation.
4 SMB parameters and setup, plus a whole lot more.
6 Copyright (C) Andrew Tridgell 2011
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #ifndef _SMB_CONSTANTS_H
23 #define _SMB_CONSTANTS_H
26 * Netbios over TCP (rfc 1002)
28 #define NBSSmessage 0x00 /* session message */
29 #define NBSSrequest 0x81 /* session request */
30 #define NBSSpositive 0x82 /* positiv session response */
31 #define NBSSnegative 0x83 /* negativ session response */
32 #define NBSSretarget 0x84 /* retarget session response */
33 #define NBSSkeepalive 0x85 /* keepalive */
35 #define SMB_MAGIC 0x424D53FF /* 0xFF 'S' 'M' 'B' */
37 /* the basic packet size, assuming no words or bytes. Does not include the NBT header */
38 #define MIN_SMB_SIZE 35
40 /* when using NBT encapsulation every packet has a 4 byte header */
41 #define NBT_HDR_SIZE 4
43 /* offsets into message header for common items - NOTE: These have
44 changed from being offsets from the base of the NBT packet to the base of the SMB packet.
45 this has reduced all these values by 4
53 #define HDR_PIDHIGH 12
54 #define HDR_SS_FIELD 14
62 #define smb_len_nbt(buf) (RIVAL(buf, 0) & 0x1FFFF)
63 #define _smb_setlen_nbt(buf,len) RSIVAL(buf, 0, (len) & 0x1FFFF)
64 #define smb_setlen_nbt(buf, len) do { \
65 _smb_setlen_nbt(buf, len); \
66 SIVAL(buf, 4, SMB_MAGIC); \
69 #define smb_len_tcp(buf) (RIVAL(buf, 0) & 0xFFFFFF)
70 #define _smb_setlen_tcp(buf,len) RSIVAL(buf, 0, (len) & 0xFFFFFF)
71 #define smb_setlen_tcp(buf, len) do { \
72 _smb_setlen_tcp(buf, len); \
73 SIVAL(buf, 4, SMB_MAGIC); \
76 /* protocol types. It assumes that higher protocols include lower protocols
90 enum smb_signing_setting {
91 SMB_SIGNING_OFF, SMB_SIGNING_SUPPORTED,
92 SMB_SIGNING_REQUIRED, SMB_SIGNING_AUTO};
94 /* types of buffers in core SMB protocol */
95 #define SMB_DATA_BLOCK 0x1
96 #define SMB_ASCII4 0x4
98 /* flag defines. CIFS spec 3.1.1 */
99 #define FLAG_SUPPORT_LOCKREAD 0x01
100 #define FLAG_CLIENT_BUF_AVAIL 0x02
101 #define FLAG_RESERVED 0x04
102 #define FLAG_CASELESS_PATHNAMES 0x08
103 #define FLAG_CANONICAL_PATHNAMES 0x10
104 #define FLAG_REQUEST_OPLOCK 0x20
105 #define FLAG_REQUEST_BATCH_OPLOCK 0x40
106 #define FLAG_REPLY 0x80
109 #define SMBmkdir 0x00 /* create directory */
110 #define SMBrmdir 0x01 /* delete directory */
111 #define SMBopen 0x02 /* open file */
112 #define SMBcreate 0x03 /* create file */
113 #define SMBclose 0x04 /* close file */
114 #define SMBflush 0x05 /* flush file */
115 #define SMBunlink 0x06 /* delete file */
116 #define SMBmv 0x07 /* rename file */
117 #define SMBgetatr 0x08 /* get file attributes */
118 #define SMBsetatr 0x09 /* set file attributes */
119 #define SMBread 0x0A /* read from file */
120 #define SMBwrite 0x0B /* write to file */
121 #define SMBlock 0x0C /* lock byte range */
122 #define SMBunlock 0x0D /* unlock byte range */
123 #define SMBctemp 0x0E /* create temporary file */
124 #define SMBmknew 0x0F /* make new file */
125 #define SMBcheckpath 0x10 /* check directory path */
126 #define SMBexit 0x11 /* process exit */
127 #define SMBlseek 0x12 /* seek */
128 #define SMBtcon 0x70 /* tree connect */
129 #define SMBtconX 0x75 /* tree connect and X*/
130 #define SMBtdis 0x71 /* tree disconnect */
131 #define SMBnegprot 0x72 /* negotiate protocol */
132 #define SMBdskattr 0x80 /* get disk attributes */
133 #define SMBsearch 0x81 /* search directory */
134 #define SMBsplopen 0xC0 /* open print spool file */
135 #define SMBsplwr 0xC1 /* write to print spool file */
136 #define SMBsplclose 0xC2 /* close print spool file */
137 #define SMBsplretq 0xC3 /* return print queue */
138 #define SMBsends 0xD0 /* send single block message */
139 #define SMBsendb 0xD1 /* send broadcast message */
140 #define SMBfwdname 0xD2 /* forward user name */
141 #define SMBcancelf 0xD3 /* cancel forward */
142 #define SMBgetmac 0xD4 /* get machine name */
143 #define SMBsendstrt 0xD5 /* send start of multi-block message */
144 #define SMBsendend 0xD6 /* send end of multi-block message */
145 #define SMBsendtxt 0xD7 /* send text of multi-block message */
148 #define SMBlockread 0x13 /* Lock a range and read */
149 #define SMBwriteunlock 0x14 /* Unlock a range then write */
150 #define SMBreadbraw 0x1a /* read a block of data with no smb header */
151 #define SMBwritebraw 0x1d /* write a block of data with no smb header */
152 #define SMBwritec 0x20 /* secondary write request */
153 #define SMBwriteclose 0x2c /* write a file then close it */
155 /* dos extended protocol */
156 #define SMBreadBraw 0x1A /* read block raw */
157 #define SMBreadBmpx 0x1B /* read block multiplexed */
158 #define SMBreadBs 0x1C /* read block (secondary response) */
159 #define SMBwriteBraw 0x1D /* write block raw */
160 #define SMBwriteBmpx 0x1E /* write block multiplexed */
161 #define SMBwriteBs 0x1F /* write block (secondary request) */
162 #define SMBwriteC 0x20 /* write complete response */
163 #define SMBsetattrE 0x22 /* set file attributes expanded */
164 #define SMBgetattrE 0x23 /* get file attributes expanded */
165 #define SMBlockingX 0x24 /* lock/unlock byte ranges and X */
166 #define SMBtrans 0x25 /* transaction - name, bytes in/out */
167 #define SMBtranss 0x26 /* transaction (secondary request/response) */
168 #define SMBioctl 0x27 /* IOCTL */
169 #define SMBioctls 0x28 /* IOCTL (secondary request/response) */
170 #define SMBcopy 0x29 /* copy */
171 #define SMBmove 0x2A /* move */
172 #define SMBecho 0x2B /* echo */
173 #define SMBopenX 0x2D /* open and X */
174 #define SMBreadX 0x2E /* read and X */
175 #define SMBwriteX 0x2F /* write and X */
176 #define SMBsesssetupX 0x73 /* Session Set Up & X (including User Logon) */
177 #define SMBffirst 0x82 /* find first */
178 #define SMBfunique 0x83 /* find unique */
179 #define SMBfclose 0x84 /* find close */
180 #define SMBinvalid 0xFE /* invalid command */
182 /* Extended 2.0 protocol */
183 #define SMBtrans2 0x32 /* TRANS2 protocol set */
184 #define SMBtranss2 0x33 /* TRANS2 protocol set, secondary command */
185 #define SMBfindclose 0x34 /* Terminate a TRANSACT2_FINDFIRST */
186 #define SMBfindnclose 0x35 /* Terminate a TRANSACT2_FINDNOTIFYFIRST */
187 #define SMBulogoffX 0x74 /* user logoff */
189 /* NT SMB extensions. */
190 #define SMBnttrans 0xA0 /* NT transact */
191 #define SMBnttranss 0xA1 /* NT transact secondary */
192 #define SMBntcreateX 0xA2 /* NT create and X */
193 #define SMBntcancel 0xA4 /* NT cancel */
194 #define SMBntrename 0xA5 /* NT rename */
196 /* used to indicate end of chain */
197 #define SMB_CHAIN_NONE 0xFF
199 /* Capabilities. see ftp.microsoft.com/developr/drg/cifs/cifs/cifs4.txt */
201 #define CAP_RAW_MODE 0x00000001
202 #define CAP_MPX_MODE 0x00000002
203 #define CAP_UNICODE 0x00000004
204 #define CAP_LARGE_FILES 0x00000008
205 #define CAP_NT_SMBS 0x00000010
206 #define CAP_RPC_REMOTE_APIS 0x00000020
207 #define CAP_STATUS32 0x00000040
208 #define CAP_LEVEL_II_OPLOCKS 0x00000080
209 #define CAP_LOCK_AND_READ 0x00000100
210 #define CAP_NT_FIND 0x00000200
211 #define CAP_DFS 0x00001000
212 #define CAP_W2K_SMBS 0x00002000
213 #define CAP_LARGE_READX 0x00004000
214 #define CAP_LARGE_WRITEX 0x00008000
215 #define CAP_LWIO 0x00010000
216 #define CAP_UNIX 0x00800000 /* Capabilities for UNIX extensions. Created by HP. */
217 #define CAP_DYNAMIC_REAUTH 0x20000000
218 #define CAP_EXTENDED_SECURITY 0x80000000
220 #define SMB_CAP_BOTH_MASK ( \
224 CAP_LEVEL_II_OPLOCKS | \
225 CAP_EXTENDED_SECURITY | \
227 #define SMB_CAP_SERVER_MASK ( \
231 CAP_RPC_REMOTE_APIS | \
232 CAP_LOCK_AND_READ | \
241 #define SMB_CAP_CLIENT_MASK ( \
242 CAP_DYNAMIC_REAUTH | \
245 /* Client-side offline caching policy types */
248 CSC_POLICY_DOCUMENTS=1,
249 CSC_POLICY_PROGRAMS=2,
253 /* NT Flags2 bits - cifs6.txt section 3.1.2 */
254 #define FLAGS2_LONG_PATH_COMPONENTS 0x0001
255 #define FLAGS2_EXTENDED_ATTRIBUTES 0x0002
256 #define FLAGS2_SMB_SECURITY_SIGNATURES 0x0004
257 #define FLAGS2_SMB_SECURITY_SIGNATURES_REQUIRED 0x0010
258 #define FLAGS2_IS_LONG_NAME 0x0040
259 #define FLAGS2_EXTENDED_SECURITY 0x0800
260 #define FLAGS2_DFS_PATHNAMES 0x1000
261 #define FLAGS2_READ_PERMIT_EXECUTE 0x2000
262 #define FLAGS2_32_BIT_ERROR_CODES 0x4000
263 #define FLAGS2_UNICODE_STRINGS 0x8000
264 #define FLAGS2_WIN2K_SIGNATURE 0xC852 /* Hack alert ! For now... JRA. */
266 /* FileAttributes (search attributes) field */
267 #define FILE_ATTRIBUTE_READONLY 0x0001L
268 #define FILE_ATTRIBUTE_HIDDEN 0x0002L
269 #define FILE_ATTRIBUTE_SYSTEM 0x0004L
270 #define FILE_ATTRIBUTE_VOLUME 0x0008L
271 #define FILE_ATTRIBUTE_DIRECTORY 0x0010L
272 #define FILE_ATTRIBUTE_ARCHIVE 0x0020L
273 #define FILE_ATTRIBUTE_DEVICE 0x0040L
274 #define FILE_ATTRIBUTE_NORMAL 0x0080L
275 #define FILE_ATTRIBUTE_TEMPORARY 0x0100L
276 #define FILE_ATTRIBUTE_SPARSE 0x0200L
277 #define FILE_ATTRIBUTE_REPARSE_POINT 0x0400L
278 #define FILE_ATTRIBUTE_COMPRESSED 0x0800L
279 #define FILE_ATTRIBUTE_OFFLINE 0x1000L
280 #define FILE_ATTRIBUTE_NONINDEXED 0x2000L
281 #define FILE_ATTRIBUTE_ENCRYPTED 0x4000L
282 #define FILE_ATTRIBUTE_ALL_MASK 0x7FFFL
284 #define SAMBA_ATTRIBUTES_MASK (FILE_ATTRIBUTE_READONLY|\
285 FILE_ATTRIBUTE_HIDDEN|\
286 FILE_ATTRIBUTE_SYSTEM|\
287 FILE_ATTRIBUTE_DIRECTORY|\
288 FILE_ATTRIBUTE_ARCHIVE)
290 /* File type flags */
291 #define FILE_TYPE_DISK 0
292 #define FILE_TYPE_BYTE_MODE_PIPE 1
293 #define FILE_TYPE_MESSAGE_MODE_PIPE 2
294 #define FILE_TYPE_PRINTER 3
295 #define FILE_TYPE_COMM_DEVICE 4
296 #define FILE_TYPE_UNKNOWN 0xFFFF
299 #define LOCKING_ANDX_EXCLUSIVE_LOCK 0x00
300 #define LOCKING_ANDX_SHARED_LOCK 0x01
301 #define LOCKING_ANDX_OPLOCK_RELEASE 0x02
302 #define LOCKING_ANDX_CHANGE_LOCKTYPE 0x04
303 #define LOCKING_ANDX_CANCEL_LOCK 0x08
304 #define LOCKING_ANDX_LARGE_FILES 0x10
310 #define OPLOCK_NONE 0
311 #define OPLOCK_EXCLUSIVE 1
312 #define OPLOCK_BATCH 2
313 #define OPLOCK_LEVEL_II 4
315 #define CORE_OPLOCK_GRANTED (1<<5)
316 #define EXTENDED_OPLOCK_GRANTED (1<<15)
319 * Return values for oplock types.
322 #define NO_OPLOCK_RETURN 0
323 #define EXCLUSIVE_OPLOCK_RETURN 1
324 #define BATCH_OPLOCK_RETURN 2
325 #define LEVEL_II_OPLOCK_RETURN 3
327 /* oplock levels sent in oplock break */
328 #define OPLOCK_BREAK_TO_NONE 0
329 #define OPLOCK_BREAK_TO_LEVEL_II 1
333 #define IOCTL_QUERY_JOB_INFO 0x530060
335 /* filesystem control codes */
336 #define FSCTL_METHOD_BUFFERED 0x00000000
337 #define FSCTL_METHOD_IN_DIRECT 0x00000001
338 #define FSCTL_METHOD_OUT_DIRECT 0x00000002
339 #define FSCTL_METHOD_NEITHER 0x00000003
341 #define FSCTL_ACCESS_ANY 0x00000000
342 #define FSCTL_ACCESS_READ 0x00004000
343 #define FSCTL_ACCESS_WRITE 0x00008000
345 #define FSCTL_DFS 0x00060000
346 #define FSCTL_DFS_GET_REFERRALS (FSCTL_DFS | FSCTL_ACCESS_ANY | 0x0194 | FSCTL_METHOD_BUFFERED)
348 #define FSCTL_FILESYSTEM 0x00090000
349 #define FSCTL_REQUEST_OPLOCK_LEVEL_1 (FSCTL_FILESYSTEM | FSCTL_ACCESS_ANY | 0x0000 | FSCTL_METHOD_BUFFERED)
350 #define FSCTL_REQUEST_OPLOCK_LEVEL_2 (FSCTL_FILESYSTEM | FSCTL_ACCESS_ANY | 0x0004 | FSCTL_METHOD_BUFFERED)
351 #define FSCTL_REQUEST_BATCH_OPLOCK (FSCTL_FILESYSTEM | FSCTL_ACCESS_ANY | 0x0008 | FSCTL_METHOD_BUFFERED)
352 #define FSCTL_OPLOCK_BREAK_ACKNOWLEDGE (FSCTL_FILESYSTEM | FSCTL_ACCESS_ANY | 0x000C | FSCTL_METHOD_BUFFERED)
353 #define FSCTL_OPBATCH_ACK_CLOSE_PENDING (FSCTL_FILESYSTEM | FSCTL_ACCESS_ANY | 0x0010 | FSCTL_METHOD_BUFFERED)
354 #define FSCTL_OPLOCK_BREAK_NOTIFY (FSCTL_FILESYSTEM | FSCTL_ACCESS_ANY | 0x0014 | FSCTL_METHOD_BUFFERED)
355 #define FSCTL_FILESYS_GET_STATISTICS (FSCTL_FILESYSTEM | FSCTL_ACCESS_ANY | 0x0060 | FSCTL_METHOD_BUFFERED)
356 #define FSCTL_GET_NTFS_VOLUME_DATA (FSCTL_FILESYSTEM | FSCTL_ACCESS_ANY | 0x0064 | FSCTL_METHOD_BUFFERED)
357 #define FSCTL_IS_VOLUME_DIRTY (FSCTL_FILESYSTEM | FSCTL_ACCESS_ANY | 0x0078 | FSCTL_METHOD_BUFFERED)
358 #define FSCTL_FIND_FILES_BY_SID (FSCTL_FILESYSTEM | FSCTL_ACCESS_ANY | 0x008C | FSCTL_METHOD_NEITHER)
359 #define FSCTL_SET_OBJECT_ID (FSCTL_FILESYSTEM | FSCTL_ACCESS_ANY | 0x0098 | FSCTL_METHOD_BUFFERED)
360 #define FSCTL_GET_OBJECT_ID (FSCTL_FILESYSTEM | FSCTL_ACCESS_ANY | 0x009C | FSCTL_METHOD_BUFFERED)
361 #define FSCTL_DELETE_OBJECT_ID (FSCTL_FILESYSTEM | FSCTL_ACCESS_ANY | 0x00A0 | FSCTL_METHOD_BUFFERED)
362 #define FSCTL_SET_REPARSE_POINT (FSCTL_FILESYSTEM | FSCTL_ACCESS_ANY | 0x00A4 | FSCTL_METHOD_BUFFERED)
363 #define FSCTL_GET_REPARSE_POINT (FSCTL_FILESYSTEM | FSCTL_ACCESS_ANY | 0x00A8 | FSCTL_METHOD_BUFFERED)
364 #define FSCTL_DELETE_REPARSE_POINT (FSCTL_FILESYSTEM | FSCTL_ACCESS_ANY | 0x00AC | FSCTL_METHOD_BUFFERED)
365 #define FSCTL_CREATE_OR_GET_OBJECT_ID (FSCTL_FILESYSTEM | FSCTL_ACCESS_ANY | 0x00C0 | FSCTL_METHOD_BUFFERED)
366 #define FSCTL_SET_SPARSE (FSCTL_FILESYSTEM | FSCTL_ACCESS_ANY | 0x00C4 | FSCTL_METHOD_BUFFERED)
367 #define FSCTL_QUERY_ALLOCATED_RANGES (FSCTL_FILESYSTEM | FSCTL_ACCESS_READ | 0x00CC | FSCTL_METHOD_NEITHER)
369 #define FSCTL_NAMED_PIPE 0x00110000
370 #define FSCTL_PIPE_PEEK (FSCTL_NAMED_PIPE | FSCTL_ACCESS_READ | 0x000C | FSCTL_METHOD_BUFFERED)
371 #define FSCTL_NAMED_PIPE_READ_WRITE (FSCTL_NAMED_PIPE | FSCTL_ACCESS_READ \
372 | FSCTL_ACCESS_WRITE | 0x0014 | FSCTL_METHOD_NEITHER)
373 #define FSCTL_PIPE_TRANSCEIVE FSCTL_NAMED_PIPE_READ_WRITE /* SMB2 function name */
374 #define FSCTL_PIPE_WAIT (FSCTL_NAMED_PIPE | FSCTL_ACCESS_ANY | 0x0018 | FSCTL_METHOD_BUFFERED)
376 #define FSCTL_NETWORK_FILESYSTEM 0x00140000
377 #define FSCTL_GET_SHADOW_COPY_DATA (FSCTL_NETWORK_FILESYSTEM | FSCTL_ACCESS_READ | 0x0064 | FSCTL_METHOD_BUFFERED)
378 #define FSCTL_SRV_ENUM_SNAPS FSCTL_GET_SHADOW_COPY_DATA /* SMB2 function name */
379 #define FSCTL_SRV_REQUEST_RESUME_KEY (FSCTL_NETWORK_FILESYSTEM | FSCTL_ACCESS_ANY | 0x0078 | FSCTL_METHOD_BUFFERED)
380 #define FSCTL_SRV_COPYCHUNK (FSCTL_NETWORK_FILESYSTEM | FSCTL_ACCESS_READ | 0x00F0 | FSCTL_METHOD_OUT_DIRECT)
381 #define FSCTL_SRV_COPYCHUNK_WRITE (FSCTL_NETWORK_FILESYSTEM | FSCTL_ACCESS_WRITE | 0x00F0 | FSCTL_METHOD_OUT_DIRECT)
382 #define FSCTL_SRV_READ_HASH (FSCTL_NETWORK_FILESYSTEM | FSCTL_ACCESS_READ| 0x01B8 | FSCTL_METHOD_NEITHER)
383 #define FSCTL_LMR_REQ_RESILIENCY (FSCTL_NETWORK_FILESYSTEM | FSCTL_ACCESS_ANY | 0x01D4 | FSCTL_METHOD_BUFFERED)
385 #endif /* _SMB_CONSTANTS_H */