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TOMOYO Linux Cross Reference
Linux/fs/cifs/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 (sfrench@us.ibm.com)
  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 free_rsp_buf(int, void *);
 40 extern void cifs_rqst_page_to_kvec(struct smb_rqst *rqst, unsigned int idx,
 41                                         struct kvec *iov);
 42 extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *,
 43                         unsigned int /* length */);
 44 extern unsigned int _get_xid(void);
 45 extern void _free_xid(unsigned int);
 46 #define get_xid()                                               \
 47 ({                                                              \
 48         unsigned int __xid = _get_xid();                                \
 49         cifs_dbg(FYI, "CIFS VFS: in %s as Xid: %u with uid: %d\n",      \
 50                  __func__, __xid,                                       \
 51                  from_kuid(&init_user_ns, current_fsuid()));            \
 52         __xid;                                                  \
 53 })
 54 
 55 #define free_xid(curr_xid)                                      \
 56 do {                                                            \
 57         _free_xid(curr_xid);                                    \
 58         cifs_dbg(FYI, "CIFS VFS: leaving %s (xid = %u) rc = %d\n",      \
 59                  __func__, curr_xid, (int)rc);                          \
 60 } while (0)
 61 extern int init_cifs_idmap(void);
 62 extern void exit_cifs_idmap(void);
 63 extern char *build_path_from_dentry(struct dentry *);
 64 extern char *cifs_build_path_to_root(struct smb_vol *vol,
 65                                      struct cifs_sb_info *cifs_sb,
 66                                      struct cifs_tcon *tcon);
 67 extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
 68 extern char *cifs_compose_mount_options(const char *sb_mountdata,
 69                 const char *fullpath, const struct dfs_info3_param *ref,
 70                 char **devname);
 71 /* extern void renew_parental_timestamps(struct dentry *direntry);*/
 72 extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer,
 73                                         struct TCP_Server_Info *server);
 74 extern void DeleteMidQEntry(struct mid_q_entry *midEntry);
 75 extern void cifs_delete_mid(struct mid_q_entry *mid);
 76 extern void cifs_wake_up_task(struct mid_q_entry *mid);
 77 extern int cifs_call_async(struct TCP_Server_Info *server,
 78                         struct smb_rqst *rqst,
 79                         mid_receive_t *receive, mid_callback_t *callback,
 80                         void *cbdata, const int flags);
 81 extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *,
 82                         struct smb_hdr * /* input */ ,
 83                         struct smb_hdr * /* out */ ,
 84                         int * /* bytes returned */ , const int);
 85 extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses,
 86                             char *in_buf, int flags);
 87 extern struct mid_q_entry *cifs_setup_request(struct cifs_ses *,
 88                                 struct smb_rqst *);
 89 extern struct mid_q_entry *cifs_setup_async_request(struct TCP_Server_Info *,
 90                                                 struct smb_rqst *);
 91 extern int cifs_check_receive(struct mid_q_entry *mid,
 92                         struct TCP_Server_Info *server, bool log_error);
 93 extern int cifs_wait_mtu_credits(struct TCP_Server_Info *server,
 94                                  unsigned int size, unsigned int *num,
 95                                  unsigned int *credits);
 96 extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *,
 97                         struct kvec *, int /* nvec to send */,
 98                         int * /* type of buf returned */ , const int flags);
 99 extern int SendReceiveBlockingLock(const unsigned int xid,
100                         struct cifs_tcon *ptcon,
101                         struct smb_hdr *in_buf ,
102                         struct smb_hdr *out_buf,
103                         int *bytes_returned);
104 extern int cifs_reconnect(struct TCP_Server_Info *server);
105 extern int checkSMB(char *buf, unsigned int length);
106 extern bool is_valid_oplock_break(char *, struct TCP_Server_Info *);
107 extern bool backup_cred(struct cifs_sb_info *);
108 extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
109 extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset,
110                             unsigned int bytes_written);
111 extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, bool);
112 extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
113 extern unsigned int smbCalcSize(void *buf);
114 extern int decode_negTokenInit(unsigned char *security_blob, int length,
115                         struct TCP_Server_Info *server);
116 extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len);
117 extern void cifs_set_port(struct sockaddr *addr, const unsigned short int port);
118 extern int map_smb_to_linux_error(char *buf, bool logErr);
119 extern void header_assemble(struct smb_hdr *, char /* command */ ,
120                             const struct cifs_tcon *, int /* length of
121                             fixed section (word count) in two byte units */);
122 extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
123                                 struct cifs_ses *ses,
124                                 void **request_buf);
125 extern enum securityEnum select_sectype(struct TCP_Server_Info *server,
126                                 enum securityEnum requested);
127 extern int CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses,
128                           const struct nls_table *nls_cp);
129 extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
130 extern u64 cifs_UnixTimeToNT(struct timespec);
131 extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
132                                       int offset);
133 extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
134 extern int cifs_get_writer(struct cifsInodeInfo *cinode);
135 extern void cifs_put_writer(struct cifsInodeInfo *cinode);
136 extern void cifs_done_oplock_break(struct cifsInodeInfo *cinode);
137 extern int cifs_unlock_range(struct cifsFileInfo *cfile,
138                              struct file_lock *flock, const unsigned int xid);
139 extern int cifs_push_mandatory_locks(struct cifsFileInfo *cfile);
140 
141 extern struct cifsFileInfo *cifs_new_fileinfo(struct cifs_fid *fid,
142                                               struct file *file,
143                                               struct tcon_link *tlink,
144                                               __u32 oplock);
145 extern int cifs_posix_open(char *full_path, struct inode **inode,
146                            struct super_block *sb, int mode,
147                            unsigned int f_flags, __u32 *oplock, __u16 *netfid,
148                            unsigned int xid);
149 void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr);
150 extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
151                                      FILE_UNIX_BASIC_INFO *info,
152                                      struct cifs_sb_info *cifs_sb);
153 extern void cifs_dir_info_to_fattr(struct cifs_fattr *, FILE_DIRECTORY_INFO *,
154                                         struct cifs_sb_info *);
155 extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
156 extern struct inode *cifs_iget(struct super_block *sb,
157                                struct cifs_fattr *fattr);
158 
159 extern int cifs_get_inode_info(struct inode **inode, const char *full_path,
160                                FILE_ALL_INFO *data, struct super_block *sb,
161                                int xid, const struct cifs_fid *fid);
162 extern int cifs_get_inode_info_unix(struct inode **pinode,
163                         const unsigned char *search_path,
164                         struct super_block *sb, unsigned int xid);
165 extern int cifs_set_file_info(struct inode *inode, struct iattr *attrs,
166                               unsigned int xid, char *full_path, __u32 dosattr);
167 extern int cifs_rename_pending_delete(const char *full_path,
168                                       struct dentry *dentry,
169                                       const unsigned int xid);
170 extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
171                               struct cifs_fattr *fattr, struct inode *inode,
172                               const char *path, const struct cifs_fid *pfid);
173 extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64,
174                                         kuid_t, kgid_t);
175 extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *,
176                                         const char *, u32 *);
177 extern struct cifs_ntsd *get_cifs_acl_by_fid(struct cifs_sb_info *,
178                                                 const struct cifs_fid *, u32 *);
179 extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *,
180                                 const char *, int);
181 
182 extern void dequeue_mid(struct mid_q_entry *mid, bool malformed);
183 extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf,
184                      unsigned int to_read);
185 extern int cifs_readv_from_socket(struct TCP_Server_Info *server,
186                 struct kvec *iov_orig, unsigned int nr_segs,
187                 unsigned int to_read);
188 extern void cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
189                                struct cifs_sb_info *cifs_sb);
190 extern int cifs_match_super(struct super_block *, void *);
191 extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info);
192 extern struct smb_vol *cifs_get_volume_info(char *mount_data,
193                                             const char *devname);
194 extern int cifs_mount(struct cifs_sb_info *, struct smb_vol *);
195 extern void cifs_umount(struct cifs_sb_info *);
196 extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon);
197 extern bool cifs_find_lock_conflict(struct cifsFileInfo *cfile, __u64 offset,
198                                     __u64 length, __u8 type,
199                                     struct cifsLockInfo **conf_lock,
200                                     int rw_check);
201 extern void cifs_add_pending_open(struct cifs_fid *fid,
202                                   struct tcon_link *tlink,
203                                   struct cifs_pending_open *open);
204 extern void cifs_add_pending_open_locked(struct cifs_fid *fid,
205                                          struct tcon_link *tlink,
206                                          struct cifs_pending_open *open);
207 extern void cifs_del_pending_open(struct cifs_pending_open *open);
208 
209 #if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL)
210 extern void cifs_dfs_release_automount_timer(void);
211 #else /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
212 #define cifs_dfs_release_automount_timer()      do { } while (0)
213 #endif /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
214 
215 void cifs_proc_init(void);
216 void cifs_proc_clean(void);
217 
218 extern void cifs_move_llist(struct list_head *source, struct list_head *dest);
219 extern void cifs_free_llist(struct list_head *llist);
220 extern void cifs_del_lock_waiters(struct cifsLockInfo *lock);
221 
222 extern int cifs_negotiate_protocol(const unsigned int xid,
223                                    struct cifs_ses *ses);
224 extern int cifs_setup_session(const unsigned int xid, struct cifs_ses *ses,
225                               struct nls_table *nls_info);
226 extern int cifs_enable_signing(struct TCP_Server_Info *server, bool mnt_sign_required);
227 extern int CIFSSMBNegotiate(const unsigned int xid, struct cifs_ses *ses);
228 
229 extern int CIFSTCon(const unsigned int xid, struct cifs_ses *ses,
230                     const char *tree, struct cifs_tcon *tcon,
231                     const struct nls_table *);
232 
233 extern int CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon,
234                 const char *searchName, struct cifs_sb_info *cifs_sb,
235                 __u16 *searchHandle, __u16 search_flags,
236                 struct cifs_search_info *psrch_inf,
237                 bool msearch);
238 
239 extern int CIFSFindNext(const unsigned int xid, struct cifs_tcon *tcon,
240                 __u16 searchHandle, __u16 search_flags,
241                 struct cifs_search_info *psrch_inf);
242 
243 extern int CIFSFindClose(const unsigned int xid, struct cifs_tcon *tcon,
244                         const __u16 search_handle);
245 
246 extern int CIFSSMBQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
247                         u16 netfid, FILE_ALL_INFO *pFindData);
248 extern int CIFSSMBQPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
249                             const char *search_Name, FILE_ALL_INFO *data,
250                             int legacy /* whether to use old info level */,
251                             const struct nls_table *nls_codepage, int remap);
252 extern int SMBQueryInformation(const unsigned int xid, struct cifs_tcon *tcon,
253                                const char *search_name, FILE_ALL_INFO *data,
254                                const struct nls_table *nls_codepage, int remap);
255 
256 extern int CIFSSMBUnixQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
257                         u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
258 extern int CIFSSMBUnixQPathInfo(const unsigned int xid,
259                         struct cifs_tcon *tcon,
260                         const unsigned char *searchName,
261                         FILE_UNIX_BASIC_INFO *pFindData,
262                         const struct nls_table *nls_codepage, int remap);
263 
264 extern int CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses,
265                            const char *search_name,
266                            struct dfs_info3_param **target_nodes,
267                            unsigned int *num_of_nodes,
268                            const struct nls_table *nls_codepage, int remap);
269 
270 extern int get_dfs_path(const unsigned int xid, struct cifs_ses *ses,
271                         const char *old_path,
272                         const struct nls_table *nls_codepage,
273                         unsigned int *num_referrals,
274                         struct dfs_info3_param **referrals, int remap);
275 extern void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon,
276                                  struct cifs_sb_info *cifs_sb,
277                                  struct smb_vol *vol);
278 extern int CIFSSMBQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
279                         struct kstatfs *FSData);
280 extern int SMBOldQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
281                         struct kstatfs *FSData);
282 extern int CIFSSMBSetFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon,
283                         __u64 cap);
284 
285 extern int CIFSSMBQFSAttributeInfo(const unsigned int xid,
286                         struct cifs_tcon *tcon);
287 extern int CIFSSMBQFSDeviceInfo(const unsigned int xid, struct cifs_tcon *tcon);
288 extern int CIFSSMBQFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon);
289 extern int CIFSSMBQFSPosixInfo(const unsigned int xid, struct cifs_tcon *tcon,
290                         struct kstatfs *FSData);
291 
292 extern int CIFSSMBSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
293                         const char *fileName, const FILE_BASIC_INFO *data,
294                         const struct nls_table *nls_codepage,
295                         int remap_special_chars);
296 extern int CIFSSMBSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
297                         const FILE_BASIC_INFO *data, __u16 fid,
298                         __u32 pid_of_opener);
299 extern int CIFSSMBSetFileDisposition(const unsigned int xid,
300                                      struct cifs_tcon *tcon,
301                                      bool delete_file, __u16 fid,
302                                      __u32 pid_of_opener);
303 #if 0
304 extern int CIFSSMBSetAttrLegacy(unsigned int xid, struct cifs_tcon *tcon,
305                         char *fileName, __u16 dos_attributes,
306                         const struct nls_table *nls_codepage);
307 #endif /* possibly unneeded function */
308 extern int CIFSSMBSetEOF(const unsigned int xid, struct cifs_tcon *tcon,
309                          const char *file_name, __u64 size,
310                          struct cifs_sb_info *cifs_sb, bool set_allocation);
311 extern int CIFSSMBSetFileSize(const unsigned int xid, struct cifs_tcon *tcon,
312                               struct cifsFileInfo *cfile, __u64 size,
313                               bool set_allocation);
314 
315 struct cifs_unix_set_info_args {
316         __u64   ctime;
317         __u64   atime;
318         __u64   mtime;
319         __u64   mode;
320         kuid_t  uid;
321         kgid_t  gid;
322         dev_t   device;
323 };
324 
325 extern int CIFSSMBUnixSetFileInfo(const unsigned int xid,
326                                   struct cifs_tcon *tcon,
327                                   const struct cifs_unix_set_info_args *args,
328                                   u16 fid, u32 pid_of_opener);
329 
330 extern int CIFSSMBUnixSetPathInfo(const unsigned int xid,
331                                   struct cifs_tcon *tcon, const char *file_name,
332                                   const struct cifs_unix_set_info_args *args,
333                                   const struct nls_table *nls_codepage,
334                                   int remap);
335 
336 extern int CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon,
337                         const char *name, struct cifs_sb_info *cifs_sb);
338 extern int CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon,
339                         const char *name, struct cifs_sb_info *cifs_sb);
340 extern int CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon,
341                         const char *name, __u16 type,
342                         const struct nls_table *nls_codepage,
343                         int remap_special_chars);
344 extern int CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon,
345                           const char *name, struct cifs_sb_info *cifs_sb);
346 extern int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon,
347                          const char *from_name, const char *to_name,
348                          struct cifs_sb_info *cifs_sb);
349 extern int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *tcon,
350                                  int netfid, const char *target_name,
351                                  const struct nls_table *nls_codepage,
352                                  int remap_special_chars);
353 extern int CIFSCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon,
354                               const char *from_name, const char *to_name,
355                               struct cifs_sb_info *cifs_sb);
356 extern int CIFSUnixCreateHardLink(const unsigned int xid,
357                         struct cifs_tcon *tcon,
358                         const char *fromName, const char *toName,
359                         const struct nls_table *nls_codepage,
360                         int remap_special_chars);
361 extern int CIFSUnixCreateSymLink(const unsigned int xid,
362                         struct cifs_tcon *tcon,
363                         const char *fromName, const char *toName,
364                         const struct nls_table *nls_codepage, int remap);
365 extern int CIFSSMBUnixQuerySymLink(const unsigned int xid,
366                         struct cifs_tcon *tcon,
367                         const unsigned char *searchName, char **syminfo,
368                         const struct nls_table *nls_codepage, int remap);
369 extern int CIFSSMBQuerySymLink(const unsigned int xid, struct cifs_tcon *tcon,
370                                __u16 fid, char **symlinkinfo,
371                                const struct nls_table *nls_codepage);
372 extern int CIFSSMB_set_compression(const unsigned int xid,
373                                    struct cifs_tcon *tcon, __u16 fid);
374 extern int CIFS_open(const unsigned int xid, struct cifs_open_parms *oparms,
375                      int *oplock, FILE_ALL_INFO *buf);
376 extern int SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon,
377                         const char *fileName, const int disposition,
378                         const int access_flags, const int omode,
379                         __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
380                         const struct nls_table *nls_codepage, int remap);
381 extern int CIFSPOSIXCreate(const unsigned int xid, struct cifs_tcon *tcon,
382                         u32 posix_flags, __u64 mode, __u16 *netfid,
383                         FILE_UNIX_BASIC_INFO *pRetData,
384                         __u32 *pOplock, const char *name,
385                         const struct nls_table *nls_codepage, int remap);
386 extern int CIFSSMBClose(const unsigned int xid, struct cifs_tcon *tcon,
387                         const int smb_file_id);
388 
389 extern int CIFSSMBFlush(const unsigned int xid, struct cifs_tcon *tcon,
390                         const int smb_file_id);
391 
392 extern int CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms,
393                         unsigned int *nbytes, char **buf,
394                         int *return_buf_type);
395 extern int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms,
396                         unsigned int *nbytes, const char *buf,
397                         const char __user *ubuf, const int long_op);
398 extern int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms,
399                         unsigned int *nbytes, struct kvec *iov, const int nvec);
400 extern int CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon,
401                                  const char *search_name, __u64 *inode_number,
402                                  const struct nls_table *nls_codepage,
403                                  int remap);
404 
405 extern int cifs_lockv(const unsigned int xid, struct cifs_tcon *tcon,
406                       const __u16 netfid, const __u8 lock_type,
407                       const __u32 num_unlock, const __u32 num_lock,
408                       LOCKING_ANDX_RANGE *buf);
409 extern int CIFSSMBLock(const unsigned int xid, struct cifs_tcon *tcon,
410                         const __u16 netfid, const __u32 netpid, const __u64 len,
411                         const __u64 offset, const __u32 numUnlock,
412                         const __u32 numLock, const __u8 lockType,
413                         const bool waitFlag, const __u8 oplock_level);
414 extern int CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon,
415                         const __u16 smb_file_id, const __u32 netpid,
416                         const loff_t start_offset, const __u64 len,
417                         struct file_lock *, const __u16 lock_type,
418                         const bool waitFlag);
419 extern int CIFSSMBTDis(const unsigned int xid, struct cifs_tcon *tcon);
420 extern int CIFSSMBEcho(struct TCP_Server_Info *server);
421 extern int CIFSSMBLogoff(const unsigned int xid, struct cifs_ses *ses);
422 
423 extern struct cifs_ses *sesInfoAlloc(void);
424 extern void sesInfoFree(struct cifs_ses *);
425 extern struct cifs_tcon *tconInfoAlloc(void);
426 extern void tconInfoFree(struct cifs_tcon *);
427 
428 extern int cifs_sign_rqst(struct smb_rqst *rqst, struct TCP_Server_Info *server,
429                    __u32 *pexpected_response_sequence_number);
430 extern int cifs_sign_smbv(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
431                           __u32 *);
432 extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
433 extern int cifs_verify_signature(struct smb_rqst *rqst,
434                                  struct TCP_Server_Info *server,
435                                 __u32 expected_sequence_number);
436 extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *,
437                         const struct nls_table *);
438 extern int setup_ntlm_response(struct cifs_ses *, const struct nls_table *);
439 extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *);
440 extern void cifs_crypto_shash_release(struct TCP_Server_Info *);
441 extern int calc_seckey(struct cifs_ses *);
442 extern int generate_smb3signingkey(struct cifs_ses *);
443 
444 #ifdef CONFIG_CIFS_WEAK_PW_HASH
445 extern int calc_lanman_hash(const char *password, const char *cryptkey,
446                                 bool encrypt, char *lnm_session_key);
447 #endif /* CIFS_WEAK_PW_HASH */
448 #ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */
449 extern int CIFSSMBNotify(const unsigned int xid, struct cifs_tcon *tcon,
450                         const int notify_subdirs, const __u16 netfid,
451                         __u32 filter, struct file *file, int multishot,
452                         const struct nls_table *nls_codepage);
453 #endif /* was needed for dnotify, and will be needed for inotify when VFS fix */
454 extern int CIFSSMBCopy(unsigned int xid,
455                         struct cifs_tcon *source_tcon,
456                         const char *fromName,
457                         const __u16 target_tid,
458                         const char *toName, const int flags,
459                         const struct nls_table *nls_codepage,
460                         int remap_special_chars);
461 extern ssize_t CIFSSMBQAllEAs(const unsigned int xid, struct cifs_tcon *tcon,
462                         const unsigned char *searchName,
463                         const unsigned char *ea_name, char *EAData,
464                         size_t bufsize, const struct nls_table *nls_codepage,
465                         int remap_special_chars);
466 extern int CIFSSMBSetEA(const unsigned int xid, struct cifs_tcon *tcon,
467                 const char *fileName, const char *ea_name,
468                 const void *ea_value, const __u16 ea_value_len,
469                 const struct nls_table *nls_codepage, int remap_special_chars);
470 extern int CIFSSMBGetCIFSACL(const unsigned int xid, struct cifs_tcon *tcon,
471                         __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
472 extern int CIFSSMBSetCIFSACL(const unsigned int, struct cifs_tcon *, __u16,
473                         struct cifs_ntsd *, __u32, int);
474 extern int CIFSSMBGetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
475                 const unsigned char *searchName,
476                 char *acl_inf, const int buflen, const int acl_type,
477                 const struct nls_table *nls_codepage, int remap_special_chars);
478 extern int CIFSSMBSetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
479                 const unsigned char *fileName,
480                 const char *local_acl, const int buflen, const int acl_type,
481                 const struct nls_table *nls_codepage, int remap_special_chars);
482 extern int CIFSGetExtAttr(const unsigned int xid, struct cifs_tcon *tcon,
483                         const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
484 extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
485 extern bool couldbe_mf_symlink(const struct cifs_fattr *fattr);
486 extern int check_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
487                               struct cifs_sb_info *cifs_sb,
488                               struct cifs_fattr *fattr,
489                               const unsigned char *path);
490 extern int mdfour(unsigned char *, unsigned char *, int);
491 extern int E_md4hash(const unsigned char *passwd, unsigned char *p16,
492                         const struct nls_table *codepage);
493 extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8,
494                         unsigned char *p24);
495 
496 void cifs_readdata_release(struct kref *refcount);
497 int cifs_async_readv(struct cifs_readdata *rdata);
498 int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid);
499 
500 int cifs_async_writev(struct cifs_writedata *wdata,
501                       void (*release)(struct kref *kref));
502 void cifs_writev_complete(struct work_struct *work);
503 struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages,
504                                                 work_func_t complete);
505 void cifs_writedata_release(struct kref *refcount);
506 int cifs_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
507                           struct cifs_sb_info *cifs_sb,
508                           const unsigned char *path, char *pbuf,
509                           unsigned int *pbytes_read);
510 int cifs_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
511                            struct cifs_sb_info *cifs_sb,
512                            const unsigned char *path, char *pbuf,
513                            unsigned int *pbytes_written);
514 #endif                  /* _CIFSPROTO_H */
515 

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