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1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
2 | /* | |
3 | * Copyright (C) 2018 Samsung Electronics Co., Ltd. | |
4 | */ | |
5 | ||
6 | #ifndef __SMB_COMMON_H__ | |
7 | #define __SMB_COMMON_H__ | |
8 | ||
9 | #include <linux/kernel.h> | |
10 | ||
11 | #include "glob.h" | |
12 | #include "nterr.h" | |
13 | #include "smb2pdu.h" | |
14 | ||
15 | /* ksmbd's Specific ERRNO */ | |
16 | #define ESHARE 50000 | |
17 | ||
18 | #define SMB1_PROT 0 | |
19 | #define SMB2_PROT 1 | |
20 | #define SMB21_PROT 2 | |
21 | /* multi-protocol negotiate request */ | |
22 | #define SMB2X_PROT 3 | |
23 | #define SMB30_PROT 4 | |
24 | #define SMB302_PROT 5 | |
25 | #define SMB311_PROT 6 | |
26 | #define BAD_PROT 0xFFFF | |
27 | ||
28 | #define SMB1_VERSION_STRING "1.0" | |
29 | #define SMB20_VERSION_STRING "2.0" | |
30 | #define SMB21_VERSION_STRING "2.1" | |
31 | #define SMB30_VERSION_STRING "3.0" | |
32 | #define SMB302_VERSION_STRING "3.02" | |
33 | #define SMB311_VERSION_STRING "3.1.1" | |
34 | ||
35 | /* Dialects */ | |
36 | #define SMB10_PROT_ID 0x00 | |
37 | #define SMB20_PROT_ID 0x0202 | |
38 | #define SMB21_PROT_ID 0x0210 | |
39 | /* multi-protocol negotiate request */ | |
40 | #define SMB2X_PROT_ID 0x02FF | |
41 | #define SMB30_PROT_ID 0x0300 | |
42 | #define SMB302_PROT_ID 0x0302 | |
43 | #define SMB311_PROT_ID 0x0311 | |
44 | #define BAD_PROT_ID 0xFFFF | |
45 | ||
64b39f4a | 46 | #define SMB_ECHO_INTERVAL (60 * HZ) |
e2f34481 NJ |
47 | |
48 | #define CIFS_DEFAULT_IOSIZE (64 * 1024) | |
49 | #define MAX_CIFS_SMALL_BUFFER_SIZE 448 /* big enough for most */ | |
50 | ||
51 | extern struct list_head global_lock_list; | |
52 | ||
53 | #define IS_SMB2(x) ((x)->vals->protocol_id != SMB10_PROT_ID) | |
54 | ||
55 | #define HEADER_SIZE(conn) ((conn)->vals->header_size) | |
56 | #define HEADER_SIZE_NO_BUF_LEN(conn) ((conn)->vals->header_size - 4) | |
57 | #define MAX_HEADER_SIZE(conn) ((conn)->vals->max_header_size) | |
58 | ||
59 | /* RFC 1002 session packet types */ | |
60 | #define RFC1002_SESSION_MESSAGE 0x00 | |
61 | #define RFC1002_SESSION_REQUEST 0x81 | |
62 | #define RFC1002_POSITIVE_SESSION_RESPONSE 0x82 | |
63 | #define RFC1002_NEGATIVE_SESSION_RESPONSE 0x83 | |
64 | #define RFC1002_RETARGET_SESSION_RESPONSE 0x84 | |
65 | #define RFC1002_SESSION_KEEP_ALIVE 0x85 | |
66 | ||
67 | /* Responses when opening a file. */ | |
68 | #define F_SUPERSEDED 0 | |
69 | #define F_OPENED 1 | |
70 | #define F_CREATED 2 | |
71 | #define F_OVERWRITTEN 3 | |
72 | ||
73 | /* | |
74 | * File Attribute flags | |
75 | */ | |
76 | #define ATTR_READONLY 0x0001 | |
77 | #define ATTR_HIDDEN 0x0002 | |
78 | #define ATTR_SYSTEM 0x0004 | |
79 | #define ATTR_VOLUME 0x0008 | |
80 | #define ATTR_DIRECTORY 0x0010 | |
81 | #define ATTR_ARCHIVE 0x0020 | |
82 | #define ATTR_DEVICE 0x0040 | |
83 | #define ATTR_NORMAL 0x0080 | |
84 | #define ATTR_TEMPORARY 0x0100 | |
85 | #define ATTR_SPARSE 0x0200 | |
86 | #define ATTR_REPARSE 0x0400 | |
87 | #define ATTR_COMPRESSED 0x0800 | |
88 | #define ATTR_OFFLINE 0x1000 | |
89 | #define ATTR_NOT_CONTENT_INDEXED 0x2000 | |
90 | #define ATTR_ENCRYPTED 0x4000 | |
91 | #define ATTR_POSIX_SEMANTICS 0x01000000 | |
92 | #define ATTR_BACKUP_SEMANTICS 0x02000000 | |
93 | #define ATTR_DELETE_ON_CLOSE 0x04000000 | |
94 | #define ATTR_SEQUENTIAL_SCAN 0x08000000 | |
95 | #define ATTR_RANDOM_ACCESS 0x10000000 | |
96 | #define ATTR_NO_BUFFERING 0x20000000 | |
97 | #define ATTR_WRITE_THROUGH 0x80000000 | |
98 | ||
99 | #define ATTR_READONLY_LE cpu_to_le32(ATTR_READONLY) | |
100 | #define ATTR_HIDDEN_LE cpu_to_le32(ATTR_HIDDEN) | |
101 | #define ATTR_SYSTEM_LE cpu_to_le32(ATTR_SYSTEM) | |
102 | #define ATTR_DIRECTORY_LE cpu_to_le32(ATTR_DIRECTORY) | |
103 | #define ATTR_ARCHIVE_LE cpu_to_le32(ATTR_ARCHIVE) | |
104 | #define ATTR_NORMAL_LE cpu_to_le32(ATTR_NORMAL) | |
105 | #define ATTR_TEMPORARY_LE cpu_to_le32(ATTR_TEMPORARY) | |
106 | #define ATTR_SPARSE_FILE_LE cpu_to_le32(ATTR_SPARSE) | |
107 | #define ATTR_REPARSE_POINT_LE cpu_to_le32(ATTR_REPARSE) | |
108 | #define ATTR_COMPRESSED_LE cpu_to_le32(ATTR_COMPRESSED) | |
109 | #define ATTR_OFFLINE_LE cpu_to_le32(ATTR_OFFLINE) | |
110 | #define ATTR_NOT_CONTENT_INDEXED_LE cpu_to_le32(ATTR_NOT_CONTENT_INDEXED) | |
111 | #define ATTR_ENCRYPTED_LE cpu_to_le32(ATTR_ENCRYPTED) | |
112 | #define ATTR_INTEGRITY_STREAML_LE cpu_to_le32(0x00008000) | |
113 | #define ATTR_NO_SCRUB_DATA_LE cpu_to_le32(0x00020000) | |
114 | #define ATTR_MASK_LE cpu_to_le32(0x00007FB7) | |
115 | ||
116 | /* List of FileSystemAttributes - see 2.5.1 of MS-FSCC */ | |
117 | #define FILE_SUPPORTS_SPARSE_VDL 0x10000000 /* faster nonsparse extend */ | |
118 | #define FILE_SUPPORTS_BLOCK_REFCOUNTING 0x08000000 /* allow ioctl dup extents */ | |
119 | #define FILE_SUPPORT_INTEGRITY_STREAMS 0x04000000 | |
120 | #define FILE_SUPPORTS_USN_JOURNAL 0x02000000 | |
121 | #define FILE_SUPPORTS_OPEN_BY_FILE_ID 0x01000000 | |
122 | #define FILE_SUPPORTS_EXTENDED_ATTRIBUTES 0x00800000 | |
123 | #define FILE_SUPPORTS_HARD_LINKS 0x00400000 | |
124 | #define FILE_SUPPORTS_TRANSACTIONS 0x00200000 | |
125 | #define FILE_SEQUENTIAL_WRITE_ONCE 0x00100000 | |
126 | #define FILE_READ_ONLY_VOLUME 0x00080000 | |
127 | #define FILE_NAMED_STREAMS 0x00040000 | |
128 | #define FILE_SUPPORTS_ENCRYPTION 0x00020000 | |
129 | #define FILE_SUPPORTS_OBJECT_IDS 0x00010000 | |
130 | #define FILE_VOLUME_IS_COMPRESSED 0x00008000 | |
131 | #define FILE_SUPPORTS_REMOTE_STORAGE 0x00000100 | |
132 | #define FILE_SUPPORTS_REPARSE_POINTS 0x00000080 | |
133 | #define FILE_SUPPORTS_SPARSE_FILES 0x00000040 | |
134 | #define FILE_VOLUME_QUOTAS 0x00000020 | |
135 | #define FILE_FILE_COMPRESSION 0x00000010 | |
136 | #define FILE_PERSISTENT_ACLS 0x00000008 | |
137 | #define FILE_UNICODE_ON_DISK 0x00000004 | |
138 | #define FILE_CASE_PRESERVED_NAMES 0x00000002 | |
139 | #define FILE_CASE_SENSITIVE_SEARCH 0x00000001 | |
140 | ||
141 | #define FILE_READ_DATA 0x00000001 /* Data can be read from the file */ | |
142 | #define FILE_WRITE_DATA 0x00000002 /* Data can be written to the file */ | |
143 | #define FILE_APPEND_DATA 0x00000004 /* Data can be appended to the file */ | |
144 | #define FILE_READ_EA 0x00000008 /* Extended attributes associated */ | |
145 | /* with the file can be read */ | |
146 | #define FILE_WRITE_EA 0x00000010 /* Extended attributes associated */ | |
147 | /* with the file can be written */ | |
148 | #define FILE_EXECUTE 0x00000020 /*Data can be read into memory from */ | |
149 | /* the file using system paging I/O */ | |
150 | #define FILE_DELETE_CHILD 0x00000040 | |
151 | #define FILE_READ_ATTRIBUTES 0x00000080 /* Attributes associated with the */ | |
152 | /* file can be read */ | |
153 | #define FILE_WRITE_ATTRIBUTES 0x00000100 /* Attributes associated with the */ | |
154 | /* file can be written */ | |
155 | #define DELETE 0x00010000 /* The file can be deleted */ | |
156 | #define READ_CONTROL 0x00020000 /* The access control list and */ | |
157 | /* ownership associated with the */ | |
158 | /* file can be read */ | |
159 | #define WRITE_DAC 0x00040000 /* The access control list and */ | |
160 | /* ownership associated with the */ | |
161 | /* file can be written. */ | |
162 | #define WRITE_OWNER 0x00080000 /* Ownership information associated */ | |
163 | /* with the file can be written */ | |
164 | #define SYNCHRONIZE 0x00100000 /* The file handle can waited on to */ | |
165 | /* synchronize with the completion */ | |
166 | /* of an input/output request */ | |
167 | #define GENERIC_ALL 0x10000000 | |
168 | #define GENERIC_EXECUTE 0x20000000 | |
169 | #define GENERIC_WRITE 0x40000000 | |
170 | #define GENERIC_READ 0x80000000 | |
171 | /* In summary - Relevant file */ | |
172 | /* access flags from CIFS are */ | |
173 | /* file_read_data, file_write_data */ | |
174 | /* file_execute, file_read_attributes*/ | |
175 | /* write_dac, and delete. */ | |
176 | ||
177 | #define FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA | FILE_READ_ATTRIBUTES) | |
178 | #define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ | |
179 | | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES) | |
180 | #define FILE_EXEC_RIGHTS (FILE_EXECUTE) | |
181 | ||
182 | #define SET_FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA \ | |
183 | | FILE_READ_ATTRIBUTES \ | |
184 | | DELETE | READ_CONTROL | WRITE_DAC \ | |
185 | | WRITE_OWNER | SYNCHRONIZE) | |
186 | #define SET_FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ | |
187 | | FILE_WRITE_EA \ | |
188 | | FILE_DELETE_CHILD \ | |
189 | | FILE_WRITE_ATTRIBUTES \ | |
190 | | DELETE | READ_CONTROL | WRITE_DAC \ | |
191 | | WRITE_OWNER | SYNCHRONIZE) | |
192 | #define SET_FILE_EXEC_RIGHTS (FILE_READ_EA | FILE_WRITE_EA | FILE_EXECUTE \ | |
193 | | FILE_READ_ATTRIBUTES \ | |
194 | | FILE_WRITE_ATTRIBUTES \ | |
195 | | DELETE | READ_CONTROL | WRITE_DAC \ | |
196 | | WRITE_OWNER | SYNCHRONIZE) | |
197 | ||
198 | #define SET_MINIMUM_RIGHTS (FILE_READ_EA | FILE_READ_ATTRIBUTES \ | |
199 | | READ_CONTROL | SYNCHRONIZE) | |
200 | ||
201 | /* generic flags for file open */ | |
202 | #define GENERIC_READ_FLAGS (READ_CONTROL | FILE_READ_DATA | \ | |
203 | FILE_READ_ATTRIBUTES | \ | |
204 | FILE_READ_EA | SYNCHRONIZE) | |
205 | ||
206 | #define GENERIC_WRITE_FLAGS (READ_CONTROL | FILE_WRITE_DATA | \ | |
207 | FILE_WRITE_ATTRIBUTES | FILE_WRITE_EA | \ | |
208 | FILE_APPEND_DATA | SYNCHRONIZE) | |
209 | ||
210 | #define GENERIC_EXECUTE_FLAGS (READ_CONTROL | FILE_EXECUTE | \ | |
211 | FILE_READ_ATTRIBUTES | SYNCHRONIZE) | |
212 | ||
213 | #define GENERIC_ALL_FLAGS (DELETE | READ_CONTROL | WRITE_DAC | \ | |
214 | WRITE_OWNER | SYNCHRONIZE | FILE_READ_DATA | \ | |
215 | FILE_WRITE_DATA | FILE_APPEND_DATA | \ | |
216 | FILE_READ_EA | FILE_WRITE_EA | \ | |
217 | FILE_EXECUTE | FILE_DELETE_CHILD | \ | |
218 | FILE_READ_ATTRIBUTES | FILE_WRITE_ATTRIBUTES) | |
219 | ||
220 | #define SMB1_PROTO_NUMBER cpu_to_le32(0x424d53ff) | |
221 | ||
222 | #define SMB1_CLIENT_GUID_SIZE (16) | |
223 | struct smb_hdr { | |
224 | __be32 smb_buf_length; | |
225 | __u8 Protocol[4]; | |
226 | __u8 Command; | |
227 | union { | |
228 | struct { | |
229 | __u8 ErrorClass; | |
230 | __u8 Reserved; | |
231 | __le16 Error; | |
232 | } __packed DosError; | |
233 | __le32 CifsError; | |
234 | } __packed Status; | |
235 | __u8 Flags; | |
236 | __le16 Flags2; /* note: le */ | |
237 | __le16 PidHigh; | |
238 | union { | |
239 | struct { | |
240 | __le32 SequenceNumber; /* le */ | |
241 | __u32 Reserved; /* zero */ | |
242 | } __packed Sequence; | |
243 | __u8 SecuritySignature[8]; /* le */ | |
244 | } __packed Signature; | |
245 | __u8 pad[2]; | |
246 | __le16 Tid; | |
247 | __le16 Pid; | |
248 | __le16 Uid; | |
249 | __le16 Mid; | |
250 | __u8 WordCount; | |
251 | } __packed; | |
252 | ||
253 | struct smb_negotiate_req { | |
254 | struct smb_hdr hdr; /* wct = 0 */ | |
255 | __le16 ByteCount; | |
256 | unsigned char DialectsArray[1]; | |
257 | } __packed; | |
258 | ||
259 | struct smb_negotiate_rsp { | |
260 | struct smb_hdr hdr; /* wct = 17 */ | |
261 | __le16 DialectIndex; /* 0xFFFF = no dialect acceptable */ | |
262 | __u8 SecurityMode; | |
263 | __le16 MaxMpxCount; | |
264 | __le16 MaxNumberVcs; | |
265 | __le32 MaxBufferSize; | |
266 | __le32 MaxRawSize; | |
267 | __le32 SessionKey; | |
268 | __le32 Capabilities; /* see below */ | |
269 | __le32 SystemTimeLow; | |
270 | __le32 SystemTimeHigh; | |
271 | __le16 ServerTimeZone; | |
272 | __u8 EncryptionKeyLength; | |
273 | __le16 ByteCount; | |
274 | union { | |
275 | unsigned char EncryptionKey[8]; /* cap extended security off */ | |
276 | /* followed by Domain name - if extended security is off */ | |
277 | /* followed by 16 bytes of server GUID */ | |
278 | /* then security blob if cap_extended_security negotiated */ | |
279 | struct { | |
280 | unsigned char GUID[SMB1_CLIENT_GUID_SIZE]; | |
281 | unsigned char SecurityBlob[1]; | |
282 | } __packed extended_response; | |
283 | } __packed u; | |
284 | } __packed; | |
285 | ||
286 | struct filesystem_attribute_info { | |
287 | __le32 Attributes; | |
288 | __le32 MaxPathNameComponentLength; | |
289 | __le32 FileSystemNameLen; | |
290 | __le16 FileSystemName[1]; /* do not have to save this - get subset? */ | |
291 | } __packed; | |
292 | ||
293 | struct filesystem_device_info { | |
294 | __le32 DeviceType; | |
295 | __le32 DeviceCharacteristics; | |
296 | } __packed; /* device info level 0x104 */ | |
297 | ||
298 | struct filesystem_vol_info { | |
299 | __le64 VolumeCreationTime; | |
300 | __le32 SerialNumber; | |
301 | __le32 VolumeLabelSize; | |
302 | __le16 Reserved; | |
303 | __le16 VolumeLabel[1]; | |
304 | } __packed; | |
305 | ||
306 | struct filesystem_info { | |
307 | __le64 TotalAllocationUnits; | |
308 | __le64 FreeAllocationUnits; | |
309 | __le32 SectorsPerAllocationUnit; | |
310 | __le32 BytesPerSector; | |
311 | } __packed; /* size info, level 0x103 */ | |
312 | ||
313 | #define EXTENDED_INFO_MAGIC 0x43667364 /* Cfsd */ | |
314 | #define STRING_LENGTH 28 | |
315 | ||
316 | struct fs_extended_info { | |
317 | __le32 magic; | |
318 | __le32 version; | |
319 | __le32 release; | |
320 | __u64 rel_date; | |
321 | char version_string[STRING_LENGTH]; | |
322 | } __packed; | |
323 | ||
324 | struct object_id_info { | |
325 | char objid[16]; | |
326 | struct fs_extended_info extended_info; | |
327 | } __packed; | |
328 | ||
329 | struct file_directory_info { | |
330 | __le32 NextEntryOffset; | |
331 | __u32 FileIndex; | |
332 | __le64 CreationTime; | |
333 | __le64 LastAccessTime; | |
334 | __le64 LastWriteTime; | |
335 | __le64 ChangeTime; | |
336 | __le64 EndOfFile; | |
337 | __le64 AllocationSize; | |
338 | __le32 ExtFileAttributes; | |
339 | __le32 FileNameLength; | |
340 | char FileName[1]; | |
341 | } __packed; /* level 0x101 FF resp data */ | |
342 | ||
343 | struct file_names_info { | |
344 | __le32 NextEntryOffset; | |
345 | __u32 FileIndex; | |
346 | __le32 FileNameLength; | |
347 | char FileName[1]; | |
348 | } __packed; /* level 0xc FF resp data */ | |
349 | ||
350 | struct file_full_directory_info { | |
351 | __le32 NextEntryOffset; | |
352 | __u32 FileIndex; | |
353 | __le64 CreationTime; | |
354 | __le64 LastAccessTime; | |
355 | __le64 LastWriteTime; | |
356 | __le64 ChangeTime; | |
357 | __le64 EndOfFile; | |
358 | __le64 AllocationSize; | |
359 | __le32 ExtFileAttributes; | |
360 | __le32 FileNameLength; | |
361 | __le32 EaSize; | |
362 | char FileName[1]; | |
363 | } __packed; /* level 0x102 FF resp */ | |
364 | ||
365 | struct file_both_directory_info { | |
366 | __le32 NextEntryOffset; | |
367 | __u32 FileIndex; | |
368 | __le64 CreationTime; | |
369 | __le64 LastAccessTime; | |
370 | __le64 LastWriteTime; | |
371 | __le64 ChangeTime; | |
372 | __le64 EndOfFile; | |
373 | __le64 AllocationSize; | |
374 | __le32 ExtFileAttributes; | |
375 | __le32 FileNameLength; | |
376 | __le32 EaSize; /* length of the xattrs */ | |
377 | __u8 ShortNameLength; | |
378 | __u8 Reserved; | |
379 | __u8 ShortName[24]; | |
380 | char FileName[1]; | |
381 | } __packed; /* level 0x104 FFrsp data */ | |
382 | ||
383 | struct file_id_both_directory_info { | |
384 | __le32 NextEntryOffset; | |
385 | __u32 FileIndex; | |
386 | __le64 CreationTime; | |
387 | __le64 LastAccessTime; | |
388 | __le64 LastWriteTime; | |
389 | __le64 ChangeTime; | |
390 | __le64 EndOfFile; | |
391 | __le64 AllocationSize; | |
392 | __le32 ExtFileAttributes; | |
393 | __le32 FileNameLength; | |
394 | __le32 EaSize; /* length of the xattrs */ | |
395 | __u8 ShortNameLength; | |
396 | __u8 Reserved; | |
397 | __u8 ShortName[24]; | |
398 | __le16 Reserved2; | |
399 | __le64 UniqueId; | |
400 | char FileName[1]; | |
401 | } __packed; | |
402 | ||
403 | struct file_id_full_dir_info { | |
404 | __le32 NextEntryOffset; | |
405 | __u32 FileIndex; | |
406 | __le64 CreationTime; | |
407 | __le64 LastAccessTime; | |
408 | __le64 LastWriteTime; | |
409 | __le64 ChangeTime; | |
410 | __le64 EndOfFile; | |
411 | __le64 AllocationSize; | |
412 | __le32 ExtFileAttributes; | |
413 | __le32 FileNameLength; | |
414 | __le32 EaSize; /* EA size */ | |
415 | __le32 Reserved; | |
416 | __le64 UniqueId; /* inode num - le since Samba puts ino in low 32 bit*/ | |
417 | char FileName[1]; | |
418 | } __packed; /* level 0x105 FF rsp data */ | |
419 | ||
420 | struct smb_version_values { | |
421 | char *version_string; | |
422 | __u16 protocol_id; | |
423 | __le16 lock_cmd; | |
424 | __u32 capabilities; | |
425 | __u32 max_read_size; | |
426 | __u32 max_write_size; | |
427 | __u32 max_trans_size; | |
428 | __u32 large_lock_type; | |
429 | __u32 exclusive_lock_type; | |
430 | __u32 shared_lock_type; | |
431 | __u32 unlock_lock_type; | |
432 | size_t header_size; | |
433 | size_t max_header_size; | |
434 | size_t read_rsp_size; | |
435 | unsigned int cap_unix; | |
436 | unsigned int cap_nt_find; | |
437 | unsigned int cap_large_files; | |
438 | __u16 signing_enabled; | |
439 | __u16 signing_required; | |
440 | size_t create_lease_size; | |
441 | size_t create_durable_size; | |
442 | size_t create_durable_v2_size; | |
443 | size_t create_mxac_size; | |
444 | size_t create_disk_id_size; | |
445 | size_t create_posix_size; | |
446 | }; | |
447 | ||
448 | struct filesystem_posix_info { | |
449 | /* For undefined recommended transfer size return -1 in that field */ | |
450 | __le32 OptimalTransferSize; /* bsize on some os, iosize on other os */ | |
451 | __le32 BlockSize; | |
452 | /* The next three fields are in terms of the block size. | |
453 | * (above). If block size is unknown, 4096 would be a | |
454 | * reasonable block size for a server to report. | |
455 | * Note that returning the blocks/blocksavail removes need | |
456 | * to make a second call (to QFSInfo level 0x103 to get this info. | |
457 | * UserBlockAvail is typically less than or equal to BlocksAvail, | |
458 | * if no distinction is made return the same value in each | |
459 | */ | |
460 | __le64 TotalBlocks; | |
461 | __le64 BlocksAvail; /* bfree */ | |
462 | __le64 UserBlocksAvail; /* bavail */ | |
463 | /* For undefined Node fields or FSID return -1 */ | |
464 | __le64 TotalFileNodes; | |
465 | __le64 FreeFileNodes; | |
466 | __le64 FileSysIdentifier; /* fsid */ | |
467 | /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */ | |
468 | /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call */ | |
469 | } __packed; | |
470 | ||
471 | struct smb_version_ops { | |
fc2d1b58 | 472 | u16 (*get_cmd_val)(struct ksmbd_work *swork); |
e2f34481 NJ |
473 | int (*init_rsp_hdr)(struct ksmbd_work *swork); |
474 | void (*set_rsp_status)(struct ksmbd_work *swork, __le32 err); | |
475 | int (*allocate_rsp_buf)(struct ksmbd_work *work); | |
476 | int (*set_rsp_credits)(struct ksmbd_work *work); | |
477 | int (*check_user_session)(struct ksmbd_work *work); | |
478 | int (*get_ksmbd_tcon)(struct ksmbd_work *work); | |
479 | bool (*is_sign_req)(struct ksmbd_work *work, unsigned int command); | |
480 | int (*check_sign_req)(struct ksmbd_work *work); | |
481 | void (*set_sign_rsp)(struct ksmbd_work *work); | |
482 | int (*generate_signingkey)(struct ksmbd_session *sess); | |
483 | int (*generate_encryptionkey)(struct ksmbd_session *sess); | |
484 | int (*is_transform_hdr)(void *buf); | |
485 | int (*decrypt_req)(struct ksmbd_work *work); | |
486 | int (*encrypt_resp)(struct ksmbd_work *work); | |
487 | }; | |
488 | ||
489 | struct smb_version_cmds { | |
490 | int (*proc)(struct ksmbd_work *swork); | |
491 | }; | |
492 | ||
e2f34481 NJ |
493 | int ksmbd_min_protocol(void); |
494 | int ksmbd_max_protocol(void); | |
495 | ||
496 | int ksmbd_lookup_protocol_idx(char *str); | |
497 | ||
498 | int ksmbd_verify_smb_message(struct ksmbd_work *work); | |
499 | bool ksmbd_smb_request(struct ksmbd_conn *conn); | |
500 | ||
501 | int ksmbd_lookup_dialect_by_id(__le16 *cli_dialects, __le16 dialects_count); | |
502 | ||
503 | int ksmbd_negotiate_smb_dialect(void *buf); | |
504 | int ksmbd_init_smb_server(struct ksmbd_work *work); | |
505 | ||
506 | bool ksmbd_pdu_size_has_room(unsigned int pdu); | |
507 | ||
508 | struct ksmbd_kstat; | |
509 | int ksmbd_populate_dot_dotdot_entries(struct ksmbd_work *work, | |
510 | int info_level, | |
511 | struct ksmbd_file *dir, | |
512 | struct ksmbd_dir_info *d_info, | |
513 | char *search_pattern, | |
514 | int (*fn)(struct ksmbd_conn *, | |
515 | int, | |
516 | struct ksmbd_dir_info *, | |
517 | struct ksmbd_kstat *)); | |
518 | ||
519 | int ksmbd_extract_shortname(struct ksmbd_conn *conn, | |
520 | const char *longname, | |
521 | char *shortname); | |
522 | ||
523 | int ksmbd_smb_negotiate_common(struct ksmbd_work *work, unsigned int command); | |
524 | ||
525 | int ksmbd_smb_check_shared_mode(struct file *filp, struct ksmbd_file *curr_fp); | |
526 | int ksmbd_override_fsids(struct ksmbd_work *work); | |
527 | void ksmbd_revert_fsids(struct ksmbd_work *work); | |
528 | ||
529 | unsigned int ksmbd_server_side_copy_max_chunk_count(void); | |
530 | unsigned int ksmbd_server_side_copy_max_chunk_size(void); | |
531 | unsigned int ksmbd_server_side_copy_max_total_size(void); | |
532 | bool is_asterisk(char *p); | |
533 | __le32 smb_map_generic_desired_access(__le32 daccess); | |
534 | ||
535 | static inline unsigned int get_rfc1002_len(void *buf) | |
536 | { | |
537 | return be32_to_cpu(*((__be32 *)buf)) & 0xffffff; | |
538 | } | |
539 | ||
540 | static inline void inc_rfc1001_len(void *buf, int count) | |
541 | { | |
542 | be32_add_cpu((__be32 *)buf, count); | |
543 | } | |
544 | #endif /* __SMB_COMMON_H__ */ |