4 * Copyright (c) International Business Machines Corp., 2002,2008
5 * Author(s): Steve French (sfrench@us.ibm.com)
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.
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.
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
23 #include <linux/nls.h>
25 #ifdef CONFIG_CIFS_DFS_UPCALL
26 #include "dfs_cache.h"
34 *****************************************************************
36 *****************************************************************
39 extern struct smb_hdr *cifs_buf_get(void);
40 extern void cifs_buf_release(void *);
41 extern struct smb_hdr *cifs_small_buf_get(void);
42 extern void cifs_small_buf_release(void *);
43 extern void free_rsp_buf(int, void *);
44 extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *,
45 unsigned int /* length */);
46 extern unsigned int _get_xid(void);
47 extern void _free_xid(unsigned int);
50 unsigned int __xid = _get_xid(); \
51 cifs_dbg(FYI, "CIFS VFS: in %s as Xid: %u with uid: %d\n", \
53 from_kuid(&init_user_ns, current_fsuid())); \
54 trace_smb3_enter(__xid, __func__); \
58 #define free_xid(curr_xid) \
60 _free_xid(curr_xid); \
61 cifs_dbg(FYI, "CIFS VFS: leaving %s (xid = %u) rc = %d\n", \
62 __func__, curr_xid, (int)rc); \
64 trace_smb3_exit_err(curr_xid, __func__, (int)rc); \
66 trace_smb3_exit_done(curr_xid, __func__); \
68 extern int init_cifs_idmap(void);
69 extern void exit_cifs_idmap(void);
70 extern int init_cifs_spnego(void);
71 extern void exit_cifs_spnego(void);
72 extern char *build_path_from_dentry(struct dentry *);
73 extern char *build_path_from_dentry_optional_prefix(struct dentry *direntry,
75 extern char *cifs_build_path_to_root(struct smb_vol *vol,
76 struct cifs_sb_info *cifs_sb,
77 struct cifs_tcon *tcon,
79 extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
80 extern char *cifs_compose_mount_options(const char *sb_mountdata,
81 const char *fullpath, const struct dfs_info3_param *ref,
83 /* extern void renew_parental_timestamps(struct dentry *direntry);*/
84 extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer,
85 struct TCP_Server_Info *server);
86 extern void DeleteMidQEntry(struct mid_q_entry *midEntry);
87 extern void cifs_delete_mid(struct mid_q_entry *mid);
88 extern void cifs_mid_q_entry_release(struct mid_q_entry *midEntry);
89 extern void cifs_wake_up_task(struct mid_q_entry *mid);
90 extern int cifs_handle_standard(struct TCP_Server_Info *server,
91 struct mid_q_entry *mid);
92 extern int cifs_discard_remaining_data(struct TCP_Server_Info *server);
93 extern int cifs_call_async(struct TCP_Server_Info *server,
94 struct smb_rqst *rqst,
95 mid_receive_t *receive, mid_callback_t *callback,
96 mid_handle_t *handle, void *cbdata, const int flags,
97 const struct cifs_credits *exist_credits);
98 extern int cifs_send_recv(const unsigned int xid, struct cifs_ses *ses,
99 struct smb_rqst *rqst, int *resp_buf_type,
100 const int flags, struct kvec *resp_iov);
101 extern int compound_send_recv(const unsigned int xid, struct cifs_ses *ses,
102 const int flags, const int num_rqst,
103 struct smb_rqst *rqst, int *resp_buf_type,
104 struct kvec *resp_iov);
105 extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *,
106 struct smb_hdr * /* input */ ,
107 struct smb_hdr * /* out */ ,
108 int * /* bytes returned */ , const int);
109 extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses,
110 char *in_buf, int flags);
111 extern struct mid_q_entry *cifs_setup_request(struct cifs_ses *,
113 extern struct mid_q_entry *cifs_setup_async_request(struct TCP_Server_Info *,
115 extern int cifs_check_receive(struct mid_q_entry *mid,
116 struct TCP_Server_Info *server, bool log_error);
117 extern int cifs_wait_mtu_credits(struct TCP_Server_Info *server,
118 unsigned int size, unsigned int *num,
119 struct cifs_credits *credits);
120 extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *,
121 struct kvec *, int /* nvec to send */,
122 int * /* type of buf returned */, const int flags,
123 struct kvec * /* resp vec */);
124 extern int SendReceiveBlockingLock(const unsigned int xid,
125 struct cifs_tcon *ptcon,
126 struct smb_hdr *in_buf ,
127 struct smb_hdr *out_buf,
128 int *bytes_returned);
129 extern int cifs_reconnect(struct TCP_Server_Info *server);
130 extern int checkSMB(char *buf, unsigned int len, struct TCP_Server_Info *srvr);
131 extern bool is_valid_oplock_break(char *, struct TCP_Server_Info *);
132 extern bool backup_cred(struct cifs_sb_info *);
133 extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
134 extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset,
135 unsigned int bytes_written);
136 extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, bool);
137 extern int cifs_get_writable_file(struct cifsInodeInfo *cifs_inode,
139 struct cifsFileInfo **ret_file);
140 extern int cifs_get_writable_path(struct cifs_tcon *tcon, const char *name,
141 struct cifsFileInfo **ret_file);
142 extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
143 extern int cifs_get_readable_path(struct cifs_tcon *tcon, const char *name,
144 struct cifsFileInfo **ret_file);
145 extern unsigned int smbCalcSize(void *buf, struct TCP_Server_Info *server);
146 extern int decode_negTokenInit(unsigned char *security_blob, int length,
147 struct TCP_Server_Info *server);
148 extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len);
149 extern void cifs_set_port(struct sockaddr *addr, const unsigned short int port);
150 extern int map_smb_to_linux_error(char *buf, bool logErr);
151 extern void header_assemble(struct smb_hdr *, char /* command */ ,
152 const struct cifs_tcon *, int /* length of
153 fixed section (word count) in two byte units */);
154 extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
155 struct cifs_ses *ses,
157 extern enum securityEnum select_sectype(struct TCP_Server_Info *server,
158 enum securityEnum requested);
159 extern int CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses,
160 const struct nls_table *nls_cp);
161 extern struct timespec64 cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
162 extern u64 cifs_UnixTimeToNT(struct timespec64);
163 extern struct timespec64 cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
165 extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
166 extern int cifs_get_writer(struct cifsInodeInfo *cinode);
167 extern void cifs_put_writer(struct cifsInodeInfo *cinode);
168 extern void cifs_done_oplock_break(struct cifsInodeInfo *cinode);
169 extern int cifs_unlock_range(struct cifsFileInfo *cfile,
170 struct file_lock *flock, const unsigned int xid);
171 extern int cifs_push_mandatory_locks(struct cifsFileInfo *cfile);
173 extern struct cifsFileInfo *cifs_new_fileinfo(struct cifs_fid *fid,
175 struct tcon_link *tlink,
177 extern int cifs_posix_open(char *full_path, struct inode **inode,
178 struct super_block *sb, int mode,
179 unsigned int f_flags, __u32 *oplock, __u16 *netfid,
181 void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr);
182 extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
183 FILE_UNIX_BASIC_INFO *info,
184 struct cifs_sb_info *cifs_sb);
185 extern void cifs_dir_info_to_fattr(struct cifs_fattr *, FILE_DIRECTORY_INFO *,
186 struct cifs_sb_info *);
187 extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
188 extern struct inode *cifs_iget(struct super_block *sb,
189 struct cifs_fattr *fattr);
191 extern int cifs_get_inode_info(struct inode **inode, const char *full_path,
192 FILE_ALL_INFO *data, struct super_block *sb,
193 int xid, const struct cifs_fid *fid);
194 extern int cifs_get_inode_info_unix(struct inode **pinode,
195 const unsigned char *search_path,
196 struct super_block *sb, unsigned int xid);
197 extern int cifs_set_file_info(struct inode *inode, struct iattr *attrs,
198 unsigned int xid, char *full_path, __u32 dosattr);
199 extern int cifs_rename_pending_delete(const char *full_path,
200 struct dentry *dentry,
201 const unsigned int xid);
202 extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
203 struct cifs_fattr *fattr, struct inode *inode,
204 bool get_mode_from_special_sid,
205 const char *path, const struct cifs_fid *pfid);
206 extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64,
208 extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *,
209 const char *, u32 *);
210 extern struct cifs_ntsd *get_cifs_acl_by_fid(struct cifs_sb_info *,
211 const struct cifs_fid *, u32 *);
212 extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *,
215 extern void dequeue_mid(struct mid_q_entry *mid, bool malformed);
216 extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf,
217 unsigned int to_read);
218 extern int cifs_read_page_from_socket(struct TCP_Server_Info *server,
220 unsigned int page_offset,
221 unsigned int to_read);
222 extern int cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
223 struct cifs_sb_info *cifs_sb);
224 extern int cifs_match_super(struct super_block *, void *);
225 extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info);
226 extern struct smb_vol *cifs_get_volume_info(char *mount_data,
227 const char *devname, bool is_smb3);
228 extern int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *vol);
229 extern void cifs_umount(struct cifs_sb_info *);
230 extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon);
231 extern void cifs_reopen_persistent_handles(struct cifs_tcon *tcon);
233 extern bool cifs_find_lock_conflict(struct cifsFileInfo *cfile, __u64 offset,
234 __u64 length, __u8 type, __u16 flags,
235 struct cifsLockInfo **conf_lock,
237 extern void cifs_add_pending_open(struct cifs_fid *fid,
238 struct tcon_link *tlink,
239 struct cifs_pending_open *open);
240 extern void cifs_add_pending_open_locked(struct cifs_fid *fid,
241 struct tcon_link *tlink,
242 struct cifs_pending_open *open);
243 extern void cifs_del_pending_open(struct cifs_pending_open *open);
244 extern void cifs_put_tcp_session(struct TCP_Server_Info *server,
246 extern void cifs_put_tcon(struct cifs_tcon *tcon);
248 #if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL)
249 extern void cifs_dfs_release_automount_timer(void);
250 #else /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
251 #define cifs_dfs_release_automount_timer() do { } while (0)
252 #endif /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
254 void cifs_proc_init(void);
255 void cifs_proc_clean(void);
257 extern void cifs_move_llist(struct list_head *source, struct list_head *dest);
258 extern void cifs_free_llist(struct list_head *llist);
259 extern void cifs_del_lock_waiters(struct cifsLockInfo *lock);
261 extern int cifs_negotiate_protocol(const unsigned int xid,
262 struct cifs_ses *ses);
263 extern int cifs_setup_session(const unsigned int xid, struct cifs_ses *ses,
264 struct nls_table *nls_info);
265 extern int cifs_enable_signing(struct TCP_Server_Info *server, bool mnt_sign_required);
266 extern int CIFSSMBNegotiate(const unsigned int xid, struct cifs_ses *ses);
268 extern int CIFSTCon(const unsigned int xid, struct cifs_ses *ses,
269 const char *tree, struct cifs_tcon *tcon,
270 const struct nls_table *);
272 extern int CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon,
273 const char *searchName, struct cifs_sb_info *cifs_sb,
274 __u16 *searchHandle, __u16 search_flags,
275 struct cifs_search_info *psrch_inf,
278 extern int CIFSFindNext(const unsigned int xid, struct cifs_tcon *tcon,
279 __u16 searchHandle, __u16 search_flags,
280 struct cifs_search_info *psrch_inf);
282 extern int CIFSFindClose(const unsigned int xid, struct cifs_tcon *tcon,
283 const __u16 search_handle);
285 extern int CIFSSMBQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
286 u16 netfid, FILE_ALL_INFO *pFindData);
287 extern int CIFSSMBQPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
288 const char *search_Name, FILE_ALL_INFO *data,
289 int legacy /* whether to use old info level */,
290 const struct nls_table *nls_codepage, int remap);
291 extern int SMBQueryInformation(const unsigned int xid, struct cifs_tcon *tcon,
292 const char *search_name, FILE_ALL_INFO *data,
293 const struct nls_table *nls_codepage, int remap);
295 extern int CIFSSMBUnixQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
296 u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
297 extern int CIFSSMBUnixQPathInfo(const unsigned int xid,
298 struct cifs_tcon *tcon,
299 const unsigned char *searchName,
300 FILE_UNIX_BASIC_INFO *pFindData,
301 const struct nls_table *nls_codepage, int remap);
303 extern int CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses,
304 const char *search_name,
305 struct dfs_info3_param **target_nodes,
306 unsigned int *num_of_nodes,
307 const struct nls_table *nls_codepage, int remap);
309 extern int parse_dfs_referrals(struct get_dfs_referral_rsp *rsp, u32 rsp_size,
310 unsigned int *num_of_nodes,
311 struct dfs_info3_param **target_nodes,
312 const struct nls_table *nls_codepage, int remap,
313 const char *searchName, bool is_unicode);
314 extern void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon,
315 struct cifs_sb_info *cifs_sb,
316 struct smb_vol *vol);
317 extern int CIFSSMBQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
318 struct kstatfs *FSData);
319 extern int SMBOldQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
320 struct kstatfs *FSData);
321 extern int CIFSSMBSetFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon,
324 extern int CIFSSMBQFSAttributeInfo(const unsigned int xid,
325 struct cifs_tcon *tcon);
326 extern int CIFSSMBQFSDeviceInfo(const unsigned int xid, struct cifs_tcon *tcon);
327 extern int CIFSSMBQFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon);
328 extern int CIFSSMBQFSPosixInfo(const unsigned int xid, struct cifs_tcon *tcon,
329 struct kstatfs *FSData);
331 extern int CIFSSMBSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
332 const char *fileName, const FILE_BASIC_INFO *data,
333 const struct nls_table *nls_codepage,
334 int remap_special_chars);
335 extern int CIFSSMBSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
336 const FILE_BASIC_INFO *data, __u16 fid,
337 __u32 pid_of_opener);
338 extern int CIFSSMBSetFileDisposition(const unsigned int xid,
339 struct cifs_tcon *tcon,
340 bool delete_file, __u16 fid,
341 __u32 pid_of_opener);
343 extern int CIFSSMBSetAttrLegacy(unsigned int xid, struct cifs_tcon *tcon,
344 char *fileName, __u16 dos_attributes,
345 const struct nls_table *nls_codepage);
346 #endif /* possibly unneeded function */
347 extern int CIFSSMBSetEOF(const unsigned int xid, struct cifs_tcon *tcon,
348 const char *file_name, __u64 size,
349 struct cifs_sb_info *cifs_sb, bool set_allocation);
350 extern int CIFSSMBSetFileSize(const unsigned int xid, struct cifs_tcon *tcon,
351 struct cifsFileInfo *cfile, __u64 size,
352 bool set_allocation);
354 struct cifs_unix_set_info_args {
364 extern int CIFSSMBUnixSetFileInfo(const unsigned int xid,
365 struct cifs_tcon *tcon,
366 const struct cifs_unix_set_info_args *args,
367 u16 fid, u32 pid_of_opener);
369 extern int CIFSSMBUnixSetPathInfo(const unsigned int xid,
370 struct cifs_tcon *tcon, const char *file_name,
371 const struct cifs_unix_set_info_args *args,
372 const struct nls_table *nls_codepage,
375 extern int CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon,
376 const char *name, struct cifs_sb_info *cifs_sb);
377 extern int CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon,
378 const char *name, struct cifs_sb_info *cifs_sb);
379 extern int CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon,
380 const char *name, __u16 type,
381 const struct nls_table *nls_codepage,
382 int remap_special_chars);
383 extern int CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon,
384 const char *name, struct cifs_sb_info *cifs_sb);
385 extern int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon,
386 const char *from_name, const char *to_name,
387 struct cifs_sb_info *cifs_sb);
388 extern int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *tcon,
389 int netfid, const char *target_name,
390 const struct nls_table *nls_codepage,
391 int remap_special_chars);
392 extern int CIFSCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon,
393 const char *from_name, const char *to_name,
394 struct cifs_sb_info *cifs_sb);
395 extern int CIFSUnixCreateHardLink(const unsigned int xid,
396 struct cifs_tcon *tcon,
397 const char *fromName, const char *toName,
398 const struct nls_table *nls_codepage,
399 int remap_special_chars);
400 extern int CIFSUnixCreateSymLink(const unsigned int xid,
401 struct cifs_tcon *tcon,
402 const char *fromName, const char *toName,
403 const struct nls_table *nls_codepage, int remap);
404 extern int CIFSSMBUnixQuerySymLink(const unsigned int xid,
405 struct cifs_tcon *tcon,
406 const unsigned char *searchName, char **syminfo,
407 const struct nls_table *nls_codepage, int remap);
408 extern int CIFSSMBQuerySymLink(const unsigned int xid, struct cifs_tcon *tcon,
409 __u16 fid, char **symlinkinfo,
410 const struct nls_table *nls_codepage);
411 extern int CIFSSMB_set_compression(const unsigned int xid,
412 struct cifs_tcon *tcon, __u16 fid);
413 extern int CIFS_open(const unsigned int xid, struct cifs_open_parms *oparms,
414 int *oplock, FILE_ALL_INFO *buf);
415 extern int SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon,
416 const char *fileName, const int disposition,
417 const int access_flags, const int omode,
418 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
419 const struct nls_table *nls_codepage, int remap);
420 extern int CIFSPOSIXCreate(const unsigned int xid, struct cifs_tcon *tcon,
421 u32 posix_flags, __u64 mode, __u16 *netfid,
422 FILE_UNIX_BASIC_INFO *pRetData,
423 __u32 *pOplock, const char *name,
424 const struct nls_table *nls_codepage, int remap);
425 extern int CIFSSMBClose(const unsigned int xid, struct cifs_tcon *tcon,
426 const int smb_file_id);
428 extern int CIFSSMBFlush(const unsigned int xid, struct cifs_tcon *tcon,
429 const int smb_file_id);
431 extern int CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms,
432 unsigned int *nbytes, char **buf,
433 int *return_buf_type);
434 extern int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms,
435 unsigned int *nbytes, const char *buf);
436 extern int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms,
437 unsigned int *nbytes, struct kvec *iov, const int nvec);
438 extern int CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon,
439 const char *search_name, __u64 *inode_number,
440 const struct nls_table *nls_codepage,
443 extern int cifs_lockv(const unsigned int xid, struct cifs_tcon *tcon,
444 const __u16 netfid, const __u8 lock_type,
445 const __u32 num_unlock, const __u32 num_lock,
446 LOCKING_ANDX_RANGE *buf);
447 extern int CIFSSMBLock(const unsigned int xid, struct cifs_tcon *tcon,
448 const __u16 netfid, const __u32 netpid, const __u64 len,
449 const __u64 offset, const __u32 numUnlock,
450 const __u32 numLock, const __u8 lockType,
451 const bool waitFlag, const __u8 oplock_level);
452 extern int CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon,
453 const __u16 smb_file_id, const __u32 netpid,
454 const loff_t start_offset, const __u64 len,
455 struct file_lock *, const __u16 lock_type,
456 const bool waitFlag);
457 extern int CIFSSMBTDis(const unsigned int xid, struct cifs_tcon *tcon);
458 extern int CIFSSMBEcho(struct TCP_Server_Info *server);
459 extern int CIFSSMBLogoff(const unsigned int xid, struct cifs_ses *ses);
461 extern struct cifs_ses *sesInfoAlloc(void);
462 extern void sesInfoFree(struct cifs_ses *);
463 extern struct cifs_tcon *tconInfoAlloc(void);
464 extern void tconInfoFree(struct cifs_tcon *);
466 extern int cifs_sign_rqst(struct smb_rqst *rqst, struct TCP_Server_Info *server,
467 __u32 *pexpected_response_sequence_number);
468 extern int cifs_sign_smbv(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
470 extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
471 extern int cifs_verify_signature(struct smb_rqst *rqst,
472 struct TCP_Server_Info *server,
473 __u32 expected_sequence_number);
474 extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *,
475 const struct nls_table *);
476 extern int setup_ntlm_response(struct cifs_ses *, const struct nls_table *);
477 extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *);
478 extern void cifs_crypto_secmech_release(struct TCP_Server_Info *server);
479 extern int calc_seckey(struct cifs_ses *);
480 extern int generate_smb30signingkey(struct cifs_ses *);
481 extern int generate_smb311signingkey(struct cifs_ses *);
483 #ifdef CONFIG_CIFS_WEAK_PW_HASH
484 extern int calc_lanman_hash(const char *password, const char *cryptkey,
485 bool encrypt, char *lnm_session_key);
486 #endif /* CIFS_WEAK_PW_HASH */
487 #ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */
488 extern int CIFSSMBNotify(const unsigned int xid, struct cifs_tcon *tcon,
489 const int notify_subdirs, const __u16 netfid,
490 __u32 filter, struct file *file, int multishot,
491 const struct nls_table *nls_codepage);
492 #endif /* was needed for dnotify, and will be needed for inotify when VFS fix */
493 extern int CIFSSMBCopy(unsigned int xid,
494 struct cifs_tcon *source_tcon,
495 const char *fromName,
496 const __u16 target_tid,
497 const char *toName, const int flags,
498 const struct nls_table *nls_codepage,
499 int remap_special_chars);
500 extern ssize_t CIFSSMBQAllEAs(const unsigned int xid, struct cifs_tcon *tcon,
501 const unsigned char *searchName,
502 const unsigned char *ea_name, char *EAData,
503 size_t bufsize, struct cifs_sb_info *cifs_sb);
504 extern int CIFSSMBSetEA(const unsigned int xid, struct cifs_tcon *tcon,
505 const char *fileName, const char *ea_name,
506 const void *ea_value, const __u16 ea_value_len,
507 const struct nls_table *nls_codepage,
508 struct cifs_sb_info *cifs_sb);
509 extern int CIFSSMBGetCIFSACL(const unsigned int xid, struct cifs_tcon *tcon,
510 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
511 extern int CIFSSMBSetCIFSACL(const unsigned int, struct cifs_tcon *, __u16,
512 struct cifs_ntsd *, __u32, int);
513 extern int CIFSSMBGetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
514 const unsigned char *searchName,
515 char *acl_inf, const int buflen, const int acl_type,
516 const struct nls_table *nls_codepage, int remap_special_chars);
517 extern int CIFSSMBSetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
518 const unsigned char *fileName,
519 const char *local_acl, const int buflen, const int acl_type,
520 const struct nls_table *nls_codepage, int remap_special_chars);
521 extern int CIFSGetExtAttr(const unsigned int xid, struct cifs_tcon *tcon,
522 const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
523 extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
524 extern bool couldbe_mf_symlink(const struct cifs_fattr *fattr);
525 extern int check_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
526 struct cifs_sb_info *cifs_sb,
527 struct cifs_fattr *fattr,
528 const unsigned char *path);
529 extern int mdfour(unsigned char *, unsigned char *, int);
530 extern int E_md4hash(const unsigned char *passwd, unsigned char *p16,
531 const struct nls_table *codepage);
532 extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8,
536 cifs_setup_volume_info(struct smb_vol *volume_info, char *mount_data,
537 const char *devname, bool is_smb3);
539 cifs_cleanup_volume_info_contents(struct smb_vol *volume_info);
541 extern struct TCP_Server_Info *
542 cifs_find_tcp_session(struct smb_vol *vol);
544 extern void cifs_put_smb_ses(struct cifs_ses *ses);
546 extern struct cifs_ses *
547 cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info);
549 void cifs_readdata_release(struct kref *refcount);
550 int cifs_async_readv(struct cifs_readdata *rdata);
551 int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid);
553 int cifs_async_writev(struct cifs_writedata *wdata,
554 void (*release)(struct kref *kref));
555 void cifs_writev_complete(struct work_struct *work);
556 struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages,
557 work_func_t complete);
558 struct cifs_writedata *cifs_writedata_direct_alloc(struct page **pages,
559 work_func_t complete);
560 void cifs_writedata_release(struct kref *refcount);
561 int cifs_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
562 struct cifs_sb_info *cifs_sb,
563 const unsigned char *path, char *pbuf,
564 unsigned int *pbytes_read);
565 int cifs_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
566 struct cifs_sb_info *cifs_sb,
567 const unsigned char *path, char *pbuf,
568 unsigned int *pbytes_written);
569 int __cifs_calc_signature(struct smb_rqst *rqst,
570 struct TCP_Server_Info *server, char *signature,
571 struct shash_desc *shash);
572 enum securityEnum cifs_select_sectype(struct TCP_Server_Info *,
574 struct cifs_aio_ctx *cifs_aio_ctx_alloc(void);
575 void cifs_aio_ctx_release(struct kref *refcount);
576 int setup_aio_ctx_iter(struct cifs_aio_ctx *ctx, struct iov_iter *iter, int rw);
577 void smb2_cached_lease_break(struct work_struct *work);
579 int cifs_alloc_hash(const char *name, struct crypto_shash **shash,
580 struct sdesc **sdesc);
581 void cifs_free_hash(struct crypto_shash **shash, struct sdesc **sdesc);
583 extern void rqst_page_get_length(struct smb_rqst *rqst, unsigned int page,
584 unsigned int *len, unsigned int *offset);
586 void extract_unc_hostname(const char *unc, const char **h, size_t *len);
587 int copy_path_name(char *dst, const char *src);
589 #ifdef CONFIG_CIFS_DFS_UPCALL
590 static inline int get_dfs_path(const unsigned int xid, struct cifs_ses *ses,
591 const char *old_path,
592 const struct nls_table *nls_codepage,
593 struct dfs_info3_param *referral, int remap)
595 return dfs_cache_find(xid, ses, nls_codepage, remap, old_path,
600 #endif /* _CIFSPROTO_H */