This source file includes following definitions.
- get_dfs_path
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21 #ifndef _CIFSPROTO_H
22 #define _CIFSPROTO_H
23 #include <linux/nls.h>
24 #include "trace.h"
25 #ifdef CONFIG_CIFS_DFS_UPCALL
26 #include "dfs_cache.h"
27 #endif
28
29 struct statfs;
30 struct smb_vol;
31 struct smb_rqst;
32
33
34
35
36
37
38
39 extern struct smb_hdr *cifs_buf_get(void);
40 extern void cifs_buf_release(void *);
41 extern struct smb_hdr *cifs_small_buf_get(void);
42 extern void cifs_small_buf_release(void *);
43 extern void free_rsp_buf(int, void *);
44 extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *,
45 unsigned int );
46 extern unsigned int _get_xid(void);
47 extern void _free_xid(unsigned int);
48 #define get_xid() \
49 ({ \
50 unsigned int __xid = _get_xid(); \
51 cifs_dbg(FYI, "CIFS VFS: in %s as Xid: %u with uid: %d\n", \
52 __func__, __xid, \
53 from_kuid(&init_user_ns, current_fsuid())); \
54 trace_smb3_enter(__xid, __func__); \
55 __xid; \
56 })
57
58 #define free_xid(curr_xid) \
59 do { \
60 _free_xid(curr_xid); \
61 cifs_dbg(FYI, "CIFS VFS: leaving %s (xid = %u) rc = %d\n", \
62 __func__, curr_xid, (int)rc); \
63 if (rc) \
64 trace_smb3_exit_err(curr_xid, __func__, (int)rc); \
65 else \
66 trace_smb3_exit_done(curr_xid, __func__); \
67 } while (0)
68 extern int init_cifs_idmap(void);
69 extern void exit_cifs_idmap(void);
70 extern int init_cifs_spnego(void);
71 extern void exit_cifs_spnego(void);
72 extern char *build_path_from_dentry(struct dentry *);
73 extern char *build_path_from_dentry_optional_prefix(struct dentry *direntry,
74 bool prefix);
75 extern char *cifs_build_path_to_root(struct smb_vol *vol,
76 struct cifs_sb_info *cifs_sb,
77 struct cifs_tcon *tcon,
78 int add_treename);
79 extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
80 extern char *cifs_compose_mount_options(const char *sb_mountdata,
81 const char *fullpath, const struct dfs_info3_param *ref,
82 char **devname);
83
84 extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer,
85 struct TCP_Server_Info *server);
86 extern void DeleteMidQEntry(struct mid_q_entry *midEntry);
87 extern void cifs_delete_mid(struct mid_q_entry *mid);
88 extern void cifs_mid_q_entry_release(struct mid_q_entry *midEntry);
89 extern void cifs_wake_up_task(struct mid_q_entry *mid);
90 extern int cifs_handle_standard(struct TCP_Server_Info *server,
91 struct mid_q_entry *mid);
92 extern int cifs_discard_remaining_data(struct TCP_Server_Info *server);
93 extern int cifs_call_async(struct TCP_Server_Info *server,
94 struct smb_rqst *rqst,
95 mid_receive_t *receive, mid_callback_t *callback,
96 mid_handle_t *handle, void *cbdata, const int flags,
97 const struct cifs_credits *exist_credits);
98 extern int cifs_send_recv(const unsigned int xid, struct cifs_ses *ses,
99 struct smb_rqst *rqst, int *resp_buf_type,
100 const int flags, struct kvec *resp_iov);
101 extern int compound_send_recv(const unsigned int xid, struct cifs_ses *ses,
102 const int flags, const int num_rqst,
103 struct smb_rqst *rqst, int *resp_buf_type,
104 struct kvec *resp_iov);
105 extern int SendReceive(const unsigned int , struct cifs_ses *,
106 struct smb_hdr * ,
107 struct smb_hdr * ,
108 int * , const int);
109 extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses,
110 char *in_buf, int flags);
111 extern struct mid_q_entry *cifs_setup_request(struct cifs_ses *,
112 struct smb_rqst *);
113 extern struct mid_q_entry *cifs_setup_async_request(struct TCP_Server_Info *,
114 struct smb_rqst *);
115 extern int cifs_check_receive(struct mid_q_entry *mid,
116 struct TCP_Server_Info *server, bool log_error);
117 extern int cifs_wait_mtu_credits(struct TCP_Server_Info *server,
118 unsigned int size, unsigned int *num,
119 struct cifs_credits *credits);
120 extern int SendReceive2(const unsigned int , struct cifs_ses *,
121 struct kvec *, int ,
122 int * , const int flags,
123 struct kvec * );
124 extern int SendReceiveBlockingLock(const unsigned int xid,
125 struct cifs_tcon *ptcon,
126 struct smb_hdr *in_buf ,
127 struct smb_hdr *out_buf,
128 int *bytes_returned);
129 extern int cifs_reconnect(struct TCP_Server_Info *server);
130 extern int checkSMB(char *buf, unsigned int len, struct TCP_Server_Info *srvr);
131 extern bool is_valid_oplock_break(char *, struct TCP_Server_Info *);
132 extern bool backup_cred(struct cifs_sb_info *);
133 extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
134 extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset,
135 unsigned int bytes_written);
136 extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, int);
137 extern int cifs_get_writable_file(struct cifsInodeInfo *cifs_inode,
138 int flags,
139 struct cifsFileInfo **ret_file);
140 extern int cifs_get_writable_path(struct cifs_tcon *tcon, const char *name,
141 int flags,
142 struct cifsFileInfo **ret_file);
143 extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
144 extern int cifs_get_readable_path(struct cifs_tcon *tcon, const char *name,
145 struct cifsFileInfo **ret_file);
146 extern unsigned int smbCalcSize(void *buf, struct TCP_Server_Info *server);
147 extern int decode_negTokenInit(unsigned char *security_blob, int length,
148 struct TCP_Server_Info *server);
149 extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len);
150 extern void cifs_set_port(struct sockaddr *addr, const unsigned short int port);
151 extern int map_smb_to_linux_error(char *buf, bool logErr);
152 extern void header_assemble(struct smb_hdr *, char ,
153 const struct cifs_tcon *, int
154 );
155 extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
156 struct cifs_ses *ses,
157 void **request_buf);
158 extern enum securityEnum select_sectype(struct TCP_Server_Info *server,
159 enum securityEnum requested);
160 extern int CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses,
161 const struct nls_table *nls_cp);
162 extern struct timespec64 cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
163 extern u64 cifs_UnixTimeToNT(struct timespec64);
164 extern struct timespec64 cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
165 int offset);
166 extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
167 extern int cifs_get_writer(struct cifsInodeInfo *cinode);
168 extern void cifs_put_writer(struct cifsInodeInfo *cinode);
169 extern void cifs_done_oplock_break(struct cifsInodeInfo *cinode);
170 extern int cifs_unlock_range(struct cifsFileInfo *cfile,
171 struct file_lock *flock, const unsigned int xid);
172 extern int cifs_push_mandatory_locks(struct cifsFileInfo *cfile);
173
174 extern void cifs_down_write(struct rw_semaphore *sem);
175 extern struct cifsFileInfo *cifs_new_fileinfo(struct cifs_fid *fid,
176 struct file *file,
177 struct tcon_link *tlink,
178 __u32 oplock);
179 extern int cifs_posix_open(char *full_path, struct inode **inode,
180 struct super_block *sb, int mode,
181 unsigned int f_flags, __u32 *oplock, __u16 *netfid,
182 unsigned int xid);
183 void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr);
184 extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
185 FILE_UNIX_BASIC_INFO *info,
186 struct cifs_sb_info *cifs_sb);
187 extern void cifs_dir_info_to_fattr(struct cifs_fattr *, FILE_DIRECTORY_INFO *,
188 struct cifs_sb_info *);
189 extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
190 extern struct inode *cifs_iget(struct super_block *sb,
191 struct cifs_fattr *fattr);
192
193 extern int cifs_get_inode_info(struct inode **inode, const char *full_path,
194 FILE_ALL_INFO *data, struct super_block *sb,
195 int xid, const struct cifs_fid *fid);
196 extern int cifs_get_inode_info_unix(struct inode **pinode,
197 const unsigned char *search_path,
198 struct super_block *sb, unsigned int xid);
199 extern int cifs_set_file_info(struct inode *inode, struct iattr *attrs,
200 unsigned int xid, char *full_path, __u32 dosattr);
201 extern int cifs_rename_pending_delete(const char *full_path,
202 struct dentry *dentry,
203 const unsigned int xid);
204 extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
205 struct cifs_fattr *fattr, struct inode *inode,
206 bool get_mode_from_special_sid,
207 const char *path, const struct cifs_fid *pfid);
208 extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64,
209 kuid_t, kgid_t);
210 extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *,
211 const char *, u32 *);
212 extern struct cifs_ntsd *get_cifs_acl_by_fid(struct cifs_sb_info *,
213 const struct cifs_fid *, u32 *);
214 extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *,
215 const char *, int);
216
217 extern void dequeue_mid(struct mid_q_entry *mid, bool malformed);
218 extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf,
219 unsigned int to_read);
220 extern int cifs_read_page_from_socket(struct TCP_Server_Info *server,
221 struct page *page,
222 unsigned int page_offset,
223 unsigned int to_read);
224 extern int cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
225 struct cifs_sb_info *cifs_sb);
226 extern int cifs_match_super(struct super_block *, void *);
227 extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info);
228 extern struct smb_vol *cifs_get_volume_info(char *mount_data,
229 const char *devname, bool is_smb3);
230 extern int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *vol);
231 extern void cifs_umount(struct cifs_sb_info *);
232 extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon);
233 extern void cifs_reopen_persistent_handles(struct cifs_tcon *tcon);
234
235 extern bool cifs_find_lock_conflict(struct cifsFileInfo *cfile, __u64 offset,
236 __u64 length, __u8 type, __u16 flags,
237 struct cifsLockInfo **conf_lock,
238 int rw_check);
239 extern void cifs_add_pending_open(struct cifs_fid *fid,
240 struct tcon_link *tlink,
241 struct cifs_pending_open *open);
242 extern void cifs_add_pending_open_locked(struct cifs_fid *fid,
243 struct tcon_link *tlink,
244 struct cifs_pending_open *open);
245 extern void cifs_del_pending_open(struct cifs_pending_open *open);
246 extern void cifs_put_tcp_session(struct TCP_Server_Info *server,
247 int from_reconnect);
248 extern void cifs_put_tcon(struct cifs_tcon *tcon);
249
250 #if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL)
251 extern void cifs_dfs_release_automount_timer(void);
252 #else
253 #define cifs_dfs_release_automount_timer() do { } while (0)
254 #endif
255
256 void cifs_proc_init(void);
257 void cifs_proc_clean(void);
258
259 extern void cifs_move_llist(struct list_head *source, struct list_head *dest);
260 extern void cifs_free_llist(struct list_head *llist);
261 extern void cifs_del_lock_waiters(struct cifsLockInfo *lock);
262
263 extern int cifs_negotiate_protocol(const unsigned int xid,
264 struct cifs_ses *ses);
265 extern int cifs_setup_session(const unsigned int xid, struct cifs_ses *ses,
266 struct nls_table *nls_info);
267 extern int cifs_enable_signing(struct TCP_Server_Info *server, bool mnt_sign_required);
268 extern int CIFSSMBNegotiate(const unsigned int xid, struct cifs_ses *ses);
269
270 extern int CIFSTCon(const unsigned int xid, struct cifs_ses *ses,
271 const char *tree, struct cifs_tcon *tcon,
272 const struct nls_table *);
273
274 extern int CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon,
275 const char *searchName, struct cifs_sb_info *cifs_sb,
276 __u16 *searchHandle, __u16 search_flags,
277 struct cifs_search_info *psrch_inf,
278 bool msearch);
279
280 extern int CIFSFindNext(const unsigned int xid, struct cifs_tcon *tcon,
281 __u16 searchHandle, __u16 search_flags,
282 struct cifs_search_info *psrch_inf);
283
284 extern int CIFSFindClose(const unsigned int xid, struct cifs_tcon *tcon,
285 const __u16 search_handle);
286
287 extern int CIFSSMBQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
288 u16 netfid, FILE_ALL_INFO *pFindData);
289 extern int CIFSSMBQPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
290 const char *search_Name, FILE_ALL_INFO *data,
291 int legacy ,
292 const struct nls_table *nls_codepage, int remap);
293 extern int SMBQueryInformation(const unsigned int xid, struct cifs_tcon *tcon,
294 const char *search_name, FILE_ALL_INFO *data,
295 const struct nls_table *nls_codepage, int remap);
296
297 extern int CIFSSMBUnixQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
298 u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
299 extern int CIFSSMBUnixQPathInfo(const unsigned int xid,
300 struct cifs_tcon *tcon,
301 const unsigned char *searchName,
302 FILE_UNIX_BASIC_INFO *pFindData,
303 const struct nls_table *nls_codepage, int remap);
304
305 extern int CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses,
306 const char *search_name,
307 struct dfs_info3_param **target_nodes,
308 unsigned int *num_of_nodes,
309 const struct nls_table *nls_codepage, int remap);
310
311 extern int parse_dfs_referrals(struct get_dfs_referral_rsp *rsp, u32 rsp_size,
312 unsigned int *num_of_nodes,
313 struct dfs_info3_param **target_nodes,
314 const struct nls_table *nls_codepage, int remap,
315 const char *searchName, bool is_unicode);
316 extern void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon,
317 struct cifs_sb_info *cifs_sb,
318 struct smb_vol *vol);
319 extern int CIFSSMBQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
320 struct kstatfs *FSData);
321 extern int SMBOldQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
322 struct kstatfs *FSData);
323 extern int CIFSSMBSetFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon,
324 __u64 cap);
325
326 extern int CIFSSMBQFSAttributeInfo(const unsigned int xid,
327 struct cifs_tcon *tcon);
328 extern int CIFSSMBQFSDeviceInfo(const unsigned int xid, struct cifs_tcon *tcon);
329 extern int CIFSSMBQFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon);
330 extern int CIFSSMBQFSPosixInfo(const unsigned int xid, struct cifs_tcon *tcon,
331 struct kstatfs *FSData);
332
333 extern int CIFSSMBSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
334 const char *fileName, const FILE_BASIC_INFO *data,
335 const struct nls_table *nls_codepage,
336 int remap_special_chars);
337 extern int CIFSSMBSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
338 const FILE_BASIC_INFO *data, __u16 fid,
339 __u32 pid_of_opener);
340 extern int CIFSSMBSetFileDisposition(const unsigned int xid,
341 struct cifs_tcon *tcon,
342 bool delete_file, __u16 fid,
343 __u32 pid_of_opener);
344 #if 0
345 extern int CIFSSMBSetAttrLegacy(unsigned int xid, struct cifs_tcon *tcon,
346 char *fileName, __u16 dos_attributes,
347 const struct nls_table *nls_codepage);
348 #endif
349 extern int CIFSSMBSetEOF(const unsigned int xid, struct cifs_tcon *tcon,
350 const char *file_name, __u64 size,
351 struct cifs_sb_info *cifs_sb, bool set_allocation);
352 extern int CIFSSMBSetFileSize(const unsigned int xid, struct cifs_tcon *tcon,
353 struct cifsFileInfo *cfile, __u64 size,
354 bool set_allocation);
355
356 struct cifs_unix_set_info_args {
357 __u64 ctime;
358 __u64 atime;
359 __u64 mtime;
360 __u64 mode;
361 kuid_t uid;
362 kgid_t gid;
363 dev_t device;
364 };
365
366 extern int CIFSSMBUnixSetFileInfo(const unsigned int xid,
367 struct cifs_tcon *tcon,
368 const struct cifs_unix_set_info_args *args,
369 u16 fid, u32 pid_of_opener);
370
371 extern int CIFSSMBUnixSetPathInfo(const unsigned int xid,
372 struct cifs_tcon *tcon, const char *file_name,
373 const struct cifs_unix_set_info_args *args,
374 const struct nls_table *nls_codepage,
375 int remap);
376
377 extern int CIFSSMBMkDir(const unsigned int xid, struct inode *inode,
378 umode_t mode, struct cifs_tcon *tcon,
379 const char *name, struct cifs_sb_info *cifs_sb);
380 extern int CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon,
381 const char *name, struct cifs_sb_info *cifs_sb);
382 extern int CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon,
383 const char *name, __u16 type,
384 const struct nls_table *nls_codepage,
385 int remap_special_chars);
386 extern int CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon,
387 const char *name, struct cifs_sb_info *cifs_sb);
388 extern int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon,
389 const char *from_name, const char *to_name,
390 struct cifs_sb_info *cifs_sb);
391 extern int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *tcon,
392 int netfid, const char *target_name,
393 const struct nls_table *nls_codepage,
394 int remap_special_chars);
395 extern int CIFSCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon,
396 const char *from_name, const char *to_name,
397 struct cifs_sb_info *cifs_sb);
398 extern int CIFSUnixCreateHardLink(const unsigned int xid,
399 struct cifs_tcon *tcon,
400 const char *fromName, const char *toName,
401 const struct nls_table *nls_codepage,
402 int remap_special_chars);
403 extern int CIFSUnixCreateSymLink(const unsigned int xid,
404 struct cifs_tcon *tcon,
405 const char *fromName, const char *toName,
406 const struct nls_table *nls_codepage, int remap);
407 extern int CIFSSMBUnixQuerySymLink(const unsigned int xid,
408 struct cifs_tcon *tcon,
409 const unsigned char *searchName, char **syminfo,
410 const struct nls_table *nls_codepage, int remap);
411 extern int CIFSSMBQuerySymLink(const unsigned int xid, struct cifs_tcon *tcon,
412 __u16 fid, char **symlinkinfo,
413 const struct nls_table *nls_codepage);
414 extern int CIFSSMB_set_compression(const unsigned int xid,
415 struct cifs_tcon *tcon, __u16 fid);
416 extern int CIFS_open(const unsigned int xid, struct cifs_open_parms *oparms,
417 int *oplock, FILE_ALL_INFO *buf);
418 extern int SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon,
419 const char *fileName, const int disposition,
420 const int access_flags, const int omode,
421 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
422 const struct nls_table *nls_codepage, int remap);
423 extern int CIFSPOSIXCreate(const unsigned int xid, struct cifs_tcon *tcon,
424 u32 posix_flags, __u64 mode, __u16 *netfid,
425 FILE_UNIX_BASIC_INFO *pRetData,
426 __u32 *pOplock, const char *name,
427 const struct nls_table *nls_codepage, int remap);
428 extern int CIFSSMBClose(const unsigned int xid, struct cifs_tcon *tcon,
429 const int smb_file_id);
430
431 extern int CIFSSMBFlush(const unsigned int xid, struct cifs_tcon *tcon,
432 const int smb_file_id);
433
434 extern int CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms,
435 unsigned int *nbytes, char **buf,
436 int *return_buf_type);
437 extern int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms,
438 unsigned int *nbytes, const char *buf);
439 extern int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms,
440 unsigned int *nbytes, struct kvec *iov, const int nvec);
441 extern int CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon,
442 const char *search_name, __u64 *inode_number,
443 const struct nls_table *nls_codepage,
444 int remap);
445
446 extern int cifs_lockv(const unsigned int xid, struct cifs_tcon *tcon,
447 const __u16 netfid, const __u8 lock_type,
448 const __u32 num_unlock, const __u32 num_lock,
449 LOCKING_ANDX_RANGE *buf);
450 extern int CIFSSMBLock(const unsigned int xid, struct cifs_tcon *tcon,
451 const __u16 netfid, const __u32 netpid, const __u64 len,
452 const __u64 offset, const __u32 numUnlock,
453 const __u32 numLock, const __u8 lockType,
454 const bool waitFlag, const __u8 oplock_level);
455 extern int CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon,
456 const __u16 smb_file_id, const __u32 netpid,
457 const loff_t start_offset, const __u64 len,
458 struct file_lock *, const __u16 lock_type,
459 const bool waitFlag);
460 extern int CIFSSMBTDis(const unsigned int xid, struct cifs_tcon *tcon);
461 extern int CIFSSMBEcho(struct TCP_Server_Info *server);
462 extern int CIFSSMBLogoff(const unsigned int xid, struct cifs_ses *ses);
463
464 extern struct cifs_ses *sesInfoAlloc(void);
465 extern void sesInfoFree(struct cifs_ses *);
466 extern struct cifs_tcon *tconInfoAlloc(void);
467 extern void tconInfoFree(struct cifs_tcon *);
468
469 extern int cifs_sign_rqst(struct smb_rqst *rqst, struct TCP_Server_Info *server,
470 __u32 *pexpected_response_sequence_number);
471 extern int cifs_sign_smbv(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
472 __u32 *);
473 extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
474 extern int cifs_verify_signature(struct smb_rqst *rqst,
475 struct TCP_Server_Info *server,
476 __u32 expected_sequence_number);
477 extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *,
478 const struct nls_table *);
479 extern int setup_ntlm_response(struct cifs_ses *, const struct nls_table *);
480 extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *);
481 extern void cifs_crypto_secmech_release(struct TCP_Server_Info *server);
482 extern int calc_seckey(struct cifs_ses *);
483 extern int generate_smb30signingkey(struct cifs_ses *);
484 extern int generate_smb311signingkey(struct cifs_ses *);
485
486 #ifdef CONFIG_CIFS_WEAK_PW_HASH
487 extern int calc_lanman_hash(const char *password, const char *cryptkey,
488 bool encrypt, char *lnm_session_key);
489 #endif
490 #ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL
491 extern int CIFSSMBNotify(const unsigned int xid, struct cifs_tcon *tcon,
492 const int notify_subdirs, const __u16 netfid,
493 __u32 filter, struct file *file, int multishot,
494 const struct nls_table *nls_codepage);
495 #endif
496 extern int CIFSSMBCopy(unsigned int xid,
497 struct cifs_tcon *source_tcon,
498 const char *fromName,
499 const __u16 target_tid,
500 const char *toName, const int flags,
501 const struct nls_table *nls_codepage,
502 int remap_special_chars);
503 extern ssize_t CIFSSMBQAllEAs(const unsigned int xid, struct cifs_tcon *tcon,
504 const unsigned char *searchName,
505 const unsigned char *ea_name, char *EAData,
506 size_t bufsize, struct cifs_sb_info *cifs_sb);
507 extern int CIFSSMBSetEA(const unsigned int xid, struct cifs_tcon *tcon,
508 const char *fileName, const char *ea_name,
509 const void *ea_value, const __u16 ea_value_len,
510 const struct nls_table *nls_codepage,
511 struct cifs_sb_info *cifs_sb);
512 extern int CIFSSMBGetCIFSACL(const unsigned int xid, struct cifs_tcon *tcon,
513 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
514 extern int CIFSSMBSetCIFSACL(const unsigned int, struct cifs_tcon *, __u16,
515 struct cifs_ntsd *, __u32, int);
516 extern int CIFSSMBGetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
517 const unsigned char *searchName,
518 char *acl_inf, const int buflen, const int acl_type,
519 const struct nls_table *nls_codepage, int remap_special_chars);
520 extern int CIFSSMBSetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
521 const unsigned char *fileName,
522 const char *local_acl, const int buflen, const int acl_type,
523 const struct nls_table *nls_codepage, int remap_special_chars);
524 extern int CIFSGetExtAttr(const unsigned int xid, struct cifs_tcon *tcon,
525 const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
526 extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
527 extern bool couldbe_mf_symlink(const struct cifs_fattr *fattr);
528 extern int check_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
529 struct cifs_sb_info *cifs_sb,
530 struct cifs_fattr *fattr,
531 const unsigned char *path);
532 extern int mdfour(unsigned char *, unsigned char *, int);
533 extern int E_md4hash(const unsigned char *passwd, unsigned char *p16,
534 const struct nls_table *codepage);
535 extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8,
536 unsigned char *p24);
537
538 extern int
539 cifs_setup_volume_info(struct smb_vol *volume_info, char *mount_data,
540 const char *devname, bool is_smb3);
541 extern void
542 cifs_cleanup_volume_info_contents(struct smb_vol *volume_info);
543
544 extern struct TCP_Server_Info *
545 cifs_find_tcp_session(struct smb_vol *vol);
546
547 extern void cifs_put_smb_ses(struct cifs_ses *ses);
548
549 extern struct cifs_ses *
550 cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info);
551
552 void cifs_readdata_release(struct kref *refcount);
553 int cifs_async_readv(struct cifs_readdata *rdata);
554 int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid);
555
556 int cifs_async_writev(struct cifs_writedata *wdata,
557 void (*release)(struct kref *kref));
558 void cifs_writev_complete(struct work_struct *work);
559 struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages,
560 work_func_t complete);
561 struct cifs_writedata *cifs_writedata_direct_alloc(struct page **pages,
562 work_func_t complete);
563 void cifs_writedata_release(struct kref *refcount);
564 int cifs_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
565 struct cifs_sb_info *cifs_sb,
566 const unsigned char *path, char *pbuf,
567 unsigned int *pbytes_read);
568 int cifs_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
569 struct cifs_sb_info *cifs_sb,
570 const unsigned char *path, char *pbuf,
571 unsigned int *pbytes_written);
572 int __cifs_calc_signature(struct smb_rqst *rqst,
573 struct TCP_Server_Info *server, char *signature,
574 struct shash_desc *shash);
575 enum securityEnum cifs_select_sectype(struct TCP_Server_Info *,
576 enum securityEnum);
577 struct cifs_aio_ctx *cifs_aio_ctx_alloc(void);
578 void cifs_aio_ctx_release(struct kref *refcount);
579 int setup_aio_ctx_iter(struct cifs_aio_ctx *ctx, struct iov_iter *iter, int rw);
580 void smb2_cached_lease_break(struct work_struct *work);
581
582 int cifs_alloc_hash(const char *name, struct crypto_shash **shash,
583 struct sdesc **sdesc);
584 void cifs_free_hash(struct crypto_shash **shash, struct sdesc **sdesc);
585
586 extern void rqst_page_get_length(struct smb_rqst *rqst, unsigned int page,
587 unsigned int *len, unsigned int *offset);
588
589 void extract_unc_hostname(const char *unc, const char **h, size_t *len);
590 int copy_path_name(char *dst, const char *src);
591
592 #ifdef CONFIG_CIFS_DFS_UPCALL
593 static inline int get_dfs_path(const unsigned int xid, struct cifs_ses *ses,
594 const char *old_path,
595 const struct nls_table *nls_codepage,
596 struct dfs_info3_param *referral, int remap)
597 {
598 return dfs_cache_find(xid, ses, nls_codepage, remap, old_path,
599 referral, NULL);
600 }
601 #endif
602
603 #endif