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

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