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