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

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