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cifsproto.h
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1 /*
2  * fs/cifs/cifsproto.h
3  *
4  * Copyright (c) International Business Machines Corp., 2002,2008
5  * Author(s): Steve French ([email protected])
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
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20  */
21 #ifndef _CIFSPROTO_H
22 #define _CIFSPROTO_H
23 #include <linux/nls.h>
24 
25 struct statfs;
26 struct smb_vol;
27 struct smb_rqst;
28 
29 /*
30  *****************************************************************
31  * All Prototypes
32  *****************************************************************
33  */
34 
35 extern struct smb_hdr *cifs_buf_get(void);
36 extern void cifs_buf_release(void *);
37 extern struct smb_hdr *cifs_small_buf_get(void);
38 extern void cifs_small_buf_release(void *);
39 extern void cifs_rqst_page_to_kvec(struct smb_rqst *rqst, unsigned int idx,
40  struct kvec *iov);
41 extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *,
42  unsigned int /* length */);
43 extern unsigned int _get_xid(void);
44 extern void _free_xid(unsigned int);
45 #define get_xid() \
46 ({ \
47  unsigned int __xid = _get_xid(); \
48  cFYI(1, "CIFS VFS: in %s as Xid: %u with uid: %d", \
49  __func__, __xid, current_fsuid()); \
50  __xid; \
51 })
52 
53 #define free_xid(curr_xid) \
54 do { \
55  _free_xid(curr_xid); \
56  cFYI(1, "CIFS VFS: leaving %s (xid = %u) rc = %d", \
57  __func__, curr_xid, (int)rc); \
58 } while (0)
59 extern int init_cifs_idmap(void);
60 extern void exit_cifs_idmap(void);
61 extern void cifs_destroy_idmaptrees(void);
62 extern char *build_path_from_dentry(struct dentry *);
63 extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
64 extern char *cifs_compose_mount_options(const char *sb_mountdata,
65  const char *fullpath, const struct dfs_info3_param *ref,
66  char **devname);
67 /* extern void renew_parental_timestamps(struct dentry *direntry);*/
68 extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer,
69  struct TCP_Server_Info *server);
70 extern void DeleteMidQEntry(struct mid_q_entry *midEntry);
71 extern void cifs_delete_mid(struct mid_q_entry *mid);
72 extern void cifs_wake_up_task(struct mid_q_entry *mid);
73 extern int cifs_call_async(struct TCP_Server_Info *server,
74  struct smb_rqst *rqst,
75  mid_receive_t *receive, mid_callback_t *callback,
76  void *cbdata, const int flags);
77 extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *,
78  struct smb_hdr * /* input */ ,
79  struct smb_hdr * /* out */ ,
80  int * /* bytes returned */ , const int);
81 extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses,
82  char *in_buf, int flags);
83 extern struct mid_q_entry *cifs_setup_request(struct cifs_ses *,
84  struct smb_rqst *);
85 extern struct mid_q_entry *cifs_setup_async_request(struct TCP_Server_Info *,
86  struct smb_rqst *);
87 extern int cifs_check_receive(struct mid_q_entry *mid,
88  struct TCP_Server_Info *server, bool log_error);
89 extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *,
90  struct kvec *, int /* nvec to send */,
91  int * /* type of buf returned */ , const int flags);
92 extern int SendReceiveBlockingLock(const unsigned int xid,
93  struct cifs_tcon *ptcon,
94  struct smb_hdr *in_buf ,
95  struct smb_hdr *out_buf,
96  int *bytes_returned);
97 extern int cifs_reconnect(struct TCP_Server_Info *server);
98 extern int checkSMB(char *buf, unsigned int length);
99 extern bool is_valid_oplock_break(char *, struct TCP_Server_Info *);
100 extern bool backup_cred(struct cifs_sb_info *);
101 extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
102 extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset,
103  unsigned int bytes_written);
104 extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, bool);
105 extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
106 extern unsigned int smbCalcSize(void *buf);
107 extern int decode_negTokenInit(unsigned char *security_blob, int length,
108  struct TCP_Server_Info *server);
109 extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len);
110 extern int cifs_set_port(struct sockaddr *addr, const unsigned short int port);
111 extern int cifs_fill_sockaddr(struct sockaddr *dst, const char *src, int len,
112  const unsigned short int port);
113 extern int map_smb_to_linux_error(char *buf, bool logErr);
114 extern void header_assemble(struct smb_hdr *, char /* command */ ,
115  const struct cifs_tcon *, int /* length of
116  fixed section (word count) in two byte units */);
117 extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
118  struct cifs_ses *ses,
119  void **request_buf);
120 extern int CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses,
121  const struct nls_table *nls_cp);
122 extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
123 extern u64 cifs_UnixTimeToNT(struct timespec);
124 extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
125  int offset);
126 extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
127 extern int cifs_unlock_range(struct cifsFileInfo *cfile,
128  struct file_lock *flock, const unsigned int xid);
129 extern int cifs_push_mandatory_locks(struct cifsFileInfo *cfile);
130 
131 extern struct cifsFileInfo *cifs_new_fileinfo(struct cifs_fid *fid,
132  struct file *file,
133  struct tcon_link *tlink,
134  __u32 oplock);
135 extern int cifs_posix_open(char *full_path, struct inode **inode,
136  struct super_block *sb, int mode,
137  unsigned int f_flags, __u32 *oplock, __u16 *netfid,
138  unsigned int xid);
139 void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr);
140 extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
141  FILE_UNIX_BASIC_INFO *info,
142  struct cifs_sb_info *cifs_sb);
143 extern void cifs_dir_info_to_fattr(struct cifs_fattr *, FILE_DIRECTORY_INFO *,
144  struct cifs_sb_info *);
145 extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
146 extern struct inode *cifs_iget(struct super_block *sb,
147  struct cifs_fattr *fattr);
148 
149 extern int cifs_get_inode_info(struct inode **inode, const char *full_path,
150  FILE_ALL_INFO *data, struct super_block *sb,
151  int xid, const __u16 *fid);
152 extern int cifs_get_inode_info_unix(struct inode **pinode,
153  const unsigned char *search_path,
154  struct super_block *sb, unsigned int xid);
155 extern int cifs_set_file_info(struct inode *inode, struct iattr *attrs,
156  unsigned int xid, char *full_path, __u32 dosattr);
157 extern int cifs_rename_pending_delete(const char *full_path,
158  struct dentry *dentry,
159  const unsigned int xid);
160 extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
161  struct cifs_fattr *fattr, struct inode *inode,
162  const char *path, const __u16 *pfid);
163 extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64,
164  uid_t, gid_t);
165 extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *,
166  const char *, u32 *);
167 extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *,
168  const char *, int);
169 
170 extern void dequeue_mid(struct mid_q_entry *mid, bool malformed);
171 extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf,
172  unsigned int to_read);
173 extern int cifs_readv_from_socket(struct TCP_Server_Info *server,
174  struct kvec *iov_orig, unsigned int nr_segs,
175  unsigned int to_read);
176 extern void cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
177  struct cifs_sb_info *cifs_sb);
178 extern int cifs_match_super(struct super_block *, void *);
179 extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info);
180 extern struct smb_vol *cifs_get_volume_info(char *mount_data,
181  const char *devname);
182 extern int cifs_mount(struct cifs_sb_info *, struct smb_vol *);
183 extern void cifs_umount(struct cifs_sb_info *);
184 extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon);
185 extern bool cifs_find_lock_conflict(struct cifsFileInfo *cfile, __u64 offset,
186  __u64 length, __u8 type,
187  struct cifsLockInfo **conf_lock,
188  bool rw_check);
189 extern void cifs_add_pending_open(struct cifs_fid *fid,
190  struct tcon_link *tlink,
191  struct cifs_pending_open *open);
192 extern void cifs_add_pending_open_locked(struct cifs_fid *fid,
193  struct tcon_link *tlink,
194  struct cifs_pending_open *open);
195 extern void cifs_del_pending_open(struct cifs_pending_open *open);
196 
197 #if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL)
198 extern void cifs_dfs_release_automount_timer(void);
199 #else /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
200 #define cifs_dfs_release_automount_timer() do { } while (0)
201 #endif /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
202 
203 void cifs_proc_init(void);
204 void cifs_proc_clean(void);
205 
206 extern void cifs_move_llist(struct list_head *source, struct list_head *dest);
207 extern void cifs_free_llist(struct list_head *llist);
208 extern void cifs_del_lock_waiters(struct cifsLockInfo *lock);
209 
210 extern int cifs_negotiate_protocol(const unsigned int xid,
211  struct cifs_ses *ses);
212 extern int cifs_setup_session(const unsigned int xid, struct cifs_ses *ses,
213  struct nls_table *nls_info);
214 extern int CIFSSMBNegotiate(const unsigned int xid, struct cifs_ses *ses);
215 
216 extern int CIFSTCon(const unsigned int xid, struct cifs_ses *ses,
217  const char *tree, struct cifs_tcon *tcon,
218  const struct nls_table *);
219 
220 extern int CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon,
221  const char *searchName, struct cifs_sb_info *cifs_sb,
222  __u16 *searchHandle, __u16 search_flags,
223  struct cifs_search_info *psrch_inf,
224  bool msearch);
225 
226 extern int CIFSFindNext(const unsigned int xid, struct cifs_tcon *tcon,
227  __u16 searchHandle, __u16 search_flags,
228  struct cifs_search_info *psrch_inf);
229 
230 extern int CIFSFindClose(const unsigned int xid, struct cifs_tcon *tcon,
231  const __u16 search_handle);
232 
233 extern int CIFSSMBQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
234  u16 netfid, FILE_ALL_INFO *pFindData);
235 extern int CIFSSMBQPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
236  const char *search_Name, FILE_ALL_INFO *data,
237  int legacy /* whether to use old info level */,
238  const struct nls_table *nls_codepage, int remap);
239 extern int SMBQueryInformation(const unsigned int xid, struct cifs_tcon *tcon,
240  const char *search_name, FILE_ALL_INFO *data,
241  const struct nls_table *nls_codepage, int remap);
242 
243 extern int CIFSSMBUnixQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
244  u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
245 extern int CIFSSMBUnixQPathInfo(const unsigned int xid,
246  struct cifs_tcon *tcon,
247  const unsigned char *searchName,
248  FILE_UNIX_BASIC_INFO *pFindData,
249  const struct nls_table *nls_codepage, int remap);
250 
251 extern int CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses,
252  const char *search_name,
253  struct dfs_info3_param **target_nodes,
254  unsigned int *num_of_nodes,
255  const struct nls_table *nls_codepage, int remap);
256 
257 extern int get_dfs_path(const unsigned int xid, struct cifs_ses *ses,
258  const char *old_path,
259  const struct nls_table *nls_codepage,
260  unsigned int *num_referrals,
261  struct dfs_info3_param **referrals, int remap);
262 extern void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon,
263  struct cifs_sb_info *cifs_sb,
264  struct smb_vol *vol);
265 extern int CIFSSMBQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
266  struct kstatfs *FSData);
267 extern int SMBOldQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
268  struct kstatfs *FSData);
269 extern int CIFSSMBSetFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon,
270  __u64 cap);
271 
272 extern int CIFSSMBQFSAttributeInfo(const unsigned int xid,
273  struct cifs_tcon *tcon);
274 extern int CIFSSMBQFSDeviceInfo(const unsigned int xid, struct cifs_tcon *tcon);
275 extern int CIFSSMBQFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon);
276 extern int CIFSSMBQFSPosixInfo(const unsigned int xid, struct cifs_tcon *tcon,
277  struct kstatfs *FSData);
278 
279 extern int CIFSSMBSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
280  const char *fileName, const FILE_BASIC_INFO *data,
281  const struct nls_table *nls_codepage,
282  int remap_special_chars);
283 extern int CIFSSMBSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
284  const FILE_BASIC_INFO *data, __u16 fid,
285  __u32 pid_of_opener);
286 extern int CIFSSMBSetFileDisposition(const unsigned int xid,
287  struct cifs_tcon *tcon,
288  bool delete_file, __u16 fid,
289  __u32 pid_of_opener);
290 #if 0
291 extern int CIFSSMBSetAttrLegacy(unsigned int xid, struct cifs_tcon *tcon,
292  char *fileName, __u16 dos_attributes,
293  const struct nls_table *nls_codepage);
294 #endif /* possibly unneeded function */
295 extern int CIFSSMBSetEOF(const unsigned int xid, struct cifs_tcon *tcon,
296  const char *file_name, __u64 size,
297  struct cifs_sb_info *cifs_sb, bool set_allocation);
298 extern int CIFSSMBSetFileSize(const unsigned int xid, struct cifs_tcon *tcon,
299  struct cifsFileInfo *cfile, __u64 size,
300  bool set_allocation);
301 
302 struct cifs_unix_set_info_args {
303  __u64 ctime;
304  __u64 atime;
305  __u64 mtime;
306  __u64 mode;
307  __u64 uid;
308  __u64 gid;
309  dev_t device;
310 };
311 
312 extern int CIFSSMBUnixSetFileInfo(const unsigned int xid,
313  struct cifs_tcon *tcon,
314  const struct cifs_unix_set_info_args *args,
315  u16 fid, u32 pid_of_opener);
316 
317 extern int CIFSSMBUnixSetPathInfo(const unsigned int xid,
318  struct cifs_tcon *tcon, const char *file_name,
319  const struct cifs_unix_set_info_args *args,
320  const struct nls_table *nls_codepage,
321  int remap);
322 
323 extern int CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon,
324  const char *name, struct cifs_sb_info *cifs_sb);
325 extern int CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon,
326  const char *name, struct cifs_sb_info *cifs_sb);
327 extern int CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon,
328  const char *name, __u16 type,
329  const struct nls_table *nls_codepage,
330  int remap_special_chars);
331 extern int CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon,
332  const char *name, struct cifs_sb_info *cifs_sb);
333 extern int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon,
334  const char *from_name, const char *to_name,
335  struct cifs_sb_info *cifs_sb);
336 extern int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *tcon,
337  int netfid, const char *target_name,
338  const struct nls_table *nls_codepage,
339  int remap_special_chars);
340 extern int CIFSCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon,
341  const char *from_name, const char *to_name,
342  struct cifs_sb_info *cifs_sb);
343 extern int CIFSUnixCreateHardLink(const unsigned int xid,
344  struct cifs_tcon *tcon,
345  const char *fromName, const char *toName,
346  const struct nls_table *nls_codepage,
347  int remap_special_chars);
348 extern int CIFSUnixCreateSymLink(const unsigned int xid,
349  struct cifs_tcon *tcon,
350  const char *fromName, const char *toName,
351  const struct nls_table *nls_codepage);
352 extern int CIFSSMBUnixQuerySymLink(const unsigned int xid,
353  struct cifs_tcon *tcon,
354  const unsigned char *searchName, char **syminfo,
355  const struct nls_table *nls_codepage);
356 #ifdef CONFIG_CIFS_SYMLINK_EXPERIMENTAL
357 extern int CIFSSMBQueryReparseLinkInfo(const unsigned int xid,
358  struct cifs_tcon *tcon,
359  const unsigned char *searchName,
360  char *symlinkinfo, const int buflen, __u16 fid,
361  const struct nls_table *nls_codepage);
362 #endif /* temporarily unused until cifs_symlink fixed */
363 extern int CIFSSMBOpen(const unsigned int xid, struct cifs_tcon *tcon,
364  const char *fileName, const int disposition,
365  const int access_flags, const int omode,
366  __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
367  const struct nls_table *nls_codepage, int remap);
368 extern int SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon,
369  const char *fileName, const int disposition,
370  const int access_flags, const int omode,
371  __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
372  const struct nls_table *nls_codepage, int remap);
373 extern int CIFSPOSIXCreate(const unsigned int xid, struct cifs_tcon *tcon,
374  u32 posix_flags, __u64 mode, __u16 *netfid,
375  FILE_UNIX_BASIC_INFO *pRetData,
376  __u32 *pOplock, const char *name,
377  const struct nls_table *nls_codepage, int remap);
378 extern int CIFSSMBClose(const unsigned int xid, struct cifs_tcon *tcon,
379  const int smb_file_id);
380 
381 extern int CIFSSMBFlush(const unsigned int xid, struct cifs_tcon *tcon,
382  const int smb_file_id);
383 
384 extern int CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms,
385  unsigned int *nbytes, char **buf,
386  int *return_buf_type);
387 extern int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms,
388  unsigned int *nbytes, const char *buf,
389  const char __user *ubuf, const int long_op);
390 extern int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms,
391  unsigned int *nbytes, struct kvec *iov, const int nvec);
392 extern int CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon,
393  const char *search_name, __u64 *inode_number,
394  const struct nls_table *nls_codepage,
395  int remap);
396 
397 extern int cifs_lockv(const unsigned int xid, struct cifs_tcon *tcon,
398  const __u16 netfid, const __u8 lock_type,
399  const __u32 num_unlock, const __u32 num_lock,
400  LOCKING_ANDX_RANGE *buf);
401 extern int CIFSSMBLock(const unsigned int xid, struct cifs_tcon *tcon,
402  const __u16 netfid, const __u32 netpid, const __u64 len,
403  const __u64 offset, const __u32 numUnlock,
404  const __u32 numLock, const __u8 lockType,
405  const bool waitFlag, const __u8 oplock_level);
406 extern int CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon,
407  const __u16 smb_file_id, const __u32 netpid,
408  const loff_t start_offset, const __u64 len,
409  struct file_lock *, const __u16 lock_type,
410  const bool waitFlag);
411 extern int CIFSSMBTDis(const unsigned int xid, struct cifs_tcon *tcon);
412 extern int CIFSSMBEcho(struct TCP_Server_Info *server);
413 extern int CIFSSMBLogoff(const unsigned int xid, struct cifs_ses *ses);
414 
415 extern struct cifs_ses *sesInfoAlloc(void);
416 extern void sesInfoFree(struct cifs_ses *);
417 extern struct cifs_tcon *tconInfoAlloc(void);
418 extern void tconInfoFree(struct cifs_tcon *);
419 
420 extern int cifs_sign_rqst(struct smb_rqst *rqst, struct TCP_Server_Info *server,
421  __u32 *pexpected_response_sequence_number);
422 extern int cifs_sign_smbv(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
423  __u32 *);
424 extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
425 extern int cifs_verify_signature(struct smb_rqst *rqst,
426  struct TCP_Server_Info *server,
427  __u32 expected_sequence_number);
428 extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *,
429  const struct nls_table *);
430 extern int setup_ntlm_response(struct cifs_ses *, const struct nls_table *);
431 extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *);
432 extern int cifs_crypto_shash_allocate(struct TCP_Server_Info *);
433 extern void cifs_crypto_shash_release(struct TCP_Server_Info *);
434 extern int calc_seckey(struct cifs_ses *);
435 
436 #ifdef CONFIG_CIFS_WEAK_PW_HASH
437 extern int calc_lanman_hash(const char *password, const char *cryptkey,
438  bool encrypt, char *lnm_session_key);
439 #endif /* CIFS_WEAK_PW_HASH */
440 #ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */
441 extern int CIFSSMBNotify(const unsigned int xid, struct cifs_tcon *tcon,
442  const int notify_subdirs, const __u16 netfid,
443  __u32 filter, struct file *file, int multishot,
444  const struct nls_table *nls_codepage);
445 #endif /* was needed for dnotify, and will be needed for inotify when VFS fix */
446 extern int CIFSSMBCopy(unsigned int xid,
447  struct cifs_tcon *source_tcon,
448  const char *fromName,
449  const __u16 target_tid,
450  const char *toName, const int flags,
451  const struct nls_table *nls_codepage,
452  int remap_special_chars);
453 extern ssize_t CIFSSMBQAllEAs(const unsigned int xid, struct cifs_tcon *tcon,
454  const unsigned char *searchName,
455  const unsigned char *ea_name, char *EAData,
456  size_t bufsize, const struct nls_table *nls_codepage,
457  int remap_special_chars);
458 extern int CIFSSMBSetEA(const unsigned int xid, struct cifs_tcon *tcon,
459  const char *fileName, const char *ea_name,
460  const void *ea_value, const __u16 ea_value_len,
461  const struct nls_table *nls_codepage, int remap_special_chars);
462 extern int CIFSSMBGetCIFSACL(const unsigned int xid, struct cifs_tcon *tcon,
463  __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
464 extern int CIFSSMBSetCIFSACL(const unsigned int, struct cifs_tcon *, __u16,
465  struct cifs_ntsd *, __u32, int);
466 extern int CIFSSMBGetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
467  const unsigned char *searchName,
468  char *acl_inf, const int buflen, const int acl_type,
469  const struct nls_table *nls_codepage, int remap_special_chars);
470 extern int CIFSSMBSetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
471  const unsigned char *fileName,
472  const char *local_acl, const int buflen, const int acl_type,
473  const struct nls_table *nls_codepage, int remap_special_chars);
474 extern int CIFSGetExtAttr(const unsigned int xid, struct cifs_tcon *tcon,
475  const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
476 extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
477 extern bool CIFSCouldBeMFSymlink(const struct cifs_fattr *fattr);
478 extern int CIFSCheckMFSymlink(struct cifs_fattr *fattr,
479  const unsigned char *path,
480  struct cifs_sb_info *cifs_sb, unsigned int xid);
481 extern int mdfour(unsigned char *, unsigned char *, int);
482 extern int E_md4hash(const unsigned char *passwd, unsigned char *p16,
483  const struct nls_table *codepage);
484 extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8,
485  unsigned char *p24);
486 
487 void cifs_readdata_release(struct kref *refcount);
488 int cifs_async_readv(struct cifs_readdata *rdata);
489 int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid);
490 
491 int cifs_async_writev(struct cifs_writedata *wdata);
492 void cifs_writev_complete(struct work_struct *work);
493 struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages,
494  work_func_t complete);
495 void cifs_writedata_release(struct kref *refcount);
496 
497 #endif /* _CIFSPROTO_H */
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