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 *,
112 struct TCP_Server_Info *,
114 extern struct mid_q_entry *cifs_setup_async_request(struct TCP_Server_Info *,
116 extern int cifs_check_receive(struct mid_q_entry *mid,
117 struct TCP_Server_Info *server, bool log_error);
118 extern int cifs_wait_mtu_credits(struct TCP_Server_Info *server,
119 unsigned int size, unsigned int *num,
120 struct cifs_credits *credits);
121 extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *,
122 struct kvec *, int /* nvec to send */,
123 int * /* type of buf returned */, const int flags,
124 struct kvec * /* resp vec */);
125 extern int SendReceiveBlockingLock(const unsigned int xid,
126 struct cifs_tcon *ptcon,
127 struct smb_hdr *in_buf ,
128 struct smb_hdr *out_buf,
129 int *bytes_returned);
130 extern int cifs_reconnect(struct TCP_Server_Info *server);
131 extern int checkSMB(char *buf, unsigned int len, struct TCP_Server_Info *srvr);
132 extern bool is_valid_oplock_break(char *, struct TCP_Server_Info *);
133 extern bool backup_cred(struct cifs_sb_info *);
134 extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
135 extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset,
136 unsigned int bytes_written);
137 extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, bool);
138 extern int cifs_get_writable_file(struct cifsInodeInfo *cifs_inode,
140 struct cifsFileInfo **ret_file);
141 extern int cifs_get_writable_path(struct cifs_tcon *tcon, const char *name,
142 struct cifsFileInfo **ret_file);
143 extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
144 extern int cifs_get_readable_path(struct cifs_tcon *tcon, const char *name,
145 struct cifsFileInfo **ret_file);
146 extern unsigned int smbCalcSize(void *buf, struct TCP_Server_Info *server);
147 extern int decode_negTokenInit(unsigned char *security_blob, int length,
148 struct TCP_Server_Info *server);
149 extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len);
150 extern void cifs_set_port(struct sockaddr *addr, const unsigned short int port);
151 extern int map_smb_to_linux_error(char *buf, bool logErr);
152 extern void header_assemble(struct smb_hdr *, char /* command */ ,
153 const struct cifs_tcon *, int /* length of
154 fixed section (word count) in two byte units */);
155 extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
156 struct cifs_ses *ses,
158 extern enum securityEnum select_sectype(struct TCP_Server_Info *server,
159 enum securityEnum requested);
160 extern int CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses,
161 const struct nls_table *nls_cp);
162 extern struct timespec64 cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
163 extern u64 cifs_UnixTimeToNT(struct timespec64);
164 extern struct timespec64 cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
166 extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
167 extern int cifs_get_writer(struct cifsInodeInfo *cinode);
168 extern void cifs_put_writer(struct cifsInodeInfo *cinode);
169 extern void cifs_done_oplock_break(struct cifsInodeInfo *cinode);
170 extern int cifs_unlock_range(struct cifsFileInfo *cfile,
171 struct file_lock *flock, const unsigned int xid);
172 extern int cifs_push_mandatory_locks(struct cifsFileInfo *cfile);
174 extern void cifs_down_write(struct rw_semaphore *sem);
175 extern struct cifsFileInfo *cifs_new_fileinfo(struct cifs_fid *fid,
177 struct tcon_link *tlink,
179 extern int cifs_posix_open(char *full_path, struct inode **inode,
180 struct super_block *sb, int mode,
181 unsigned int f_flags, __u32 *oplock, __u16 *netfid,
183 void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr);
184 extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
185 FILE_UNIX_BASIC_INFO *info,
186 struct cifs_sb_info *cifs_sb);
187 extern void cifs_dir_info_to_fattr(struct cifs_fattr *, FILE_DIRECTORY_INFO *,
188 struct cifs_sb_info *);
189 extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
190 extern struct inode *cifs_iget(struct super_block *sb,
191 struct cifs_fattr *fattr);
193 extern int cifs_get_inode_info(struct inode **inode, const char *full_path,
194 FILE_ALL_INFO *data, struct super_block *sb,
195 int xid, const struct cifs_fid *fid);
196 extern int cifs_get_inode_info_unix(struct inode **pinode,
197 const unsigned char *search_path,
198 struct super_block *sb, unsigned int xid);
199 extern int cifs_set_file_info(struct inode *inode, struct iattr *attrs,
200 unsigned int xid, char *full_path, __u32 dosattr);
201 extern int cifs_rename_pending_delete(const char *full_path,
202 struct dentry *dentry,
203 const unsigned int xid);
204 extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
205 struct cifs_fattr *fattr, struct inode *inode,
206 bool get_mode_from_special_sid,
207 const char *path, const struct cifs_fid *pfid);
208 extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64,
210 extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *,
211 const char *, u32 *);
212 extern struct cifs_ntsd *get_cifs_acl_by_fid(struct cifs_sb_info *,
213 const struct cifs_fid *, u32 *);
214 extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *,
217 extern void dequeue_mid(struct mid_q_entry *mid, bool malformed);
218 extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf,
219 unsigned int to_read);
220 extern int cifs_read_page_from_socket(struct TCP_Server_Info *server,
222 unsigned int page_offset,
223 unsigned int to_read);
224 extern int cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
225 struct cifs_sb_info *cifs_sb);
226 extern int cifs_match_super(struct super_block *, void *);
227 extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info);
228 extern struct smb_vol *cifs_get_volume_info(char *mount_data,
229 const char *devname, bool is_smb3);
230 extern int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *vol);
231 extern void cifs_umount(struct cifs_sb_info *);
232 extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon);
233 extern void cifs_reopen_persistent_handles(struct cifs_tcon *tcon);
235 extern bool cifs_find_lock_conflict(struct cifsFileInfo *cfile, __u64 offset,
236 __u64 length, __u8 type, __u16 flags,
237 struct cifsLockInfo **conf_lock,
239 extern void cifs_add_pending_open(struct cifs_fid *fid,
240 struct tcon_link *tlink,
241 struct cifs_pending_open *open);
242 extern void cifs_add_pending_open_locked(struct cifs_fid *fid,
243 struct tcon_link *tlink,
244 struct cifs_pending_open *open);
245 extern void cifs_del_pending_open(struct cifs_pending_open *open);
246 extern struct TCP_Server_Info *cifs_get_tcp_session(struct smb_vol *vol);
247 extern void cifs_put_tcp_session(struct TCP_Server_Info *server,
249 extern void cifs_put_tcon(struct cifs_tcon *tcon);
251 #if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL)
252 extern void cifs_dfs_release_automount_timer(void);
253 #else /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
254 #define cifs_dfs_release_automount_timer() do { } while (0)
255 #endif /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
257 void cifs_proc_init(void);
258 void cifs_proc_clean(void);
260 extern void cifs_move_llist(struct list_head *source, struct list_head *dest);
261 extern void cifs_free_llist(struct list_head *llist);
262 extern void cifs_del_lock_waiters(struct cifsLockInfo *lock);
264 extern int cifs_negotiate_protocol(const unsigned int xid,
265 struct cifs_ses *ses);
266 extern int cifs_setup_session(const unsigned int xid, struct cifs_ses *ses,
267 struct nls_table *nls_info);
268 extern int cifs_enable_signing(struct TCP_Server_Info *server, bool mnt_sign_required);
269 extern int CIFSSMBNegotiate(const unsigned int xid, struct cifs_ses *ses);
271 extern int CIFSTCon(const unsigned int xid, struct cifs_ses *ses,
272 const char *tree, struct cifs_tcon *tcon,
273 const struct nls_table *);
275 extern int CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon,
276 const char *searchName, struct cifs_sb_info *cifs_sb,
277 __u16 *searchHandle, __u16 search_flags,
278 struct cifs_search_info *psrch_inf,
281 extern int CIFSFindNext(const unsigned int xid, struct cifs_tcon *tcon,
282 __u16 searchHandle, __u16 search_flags,
283 struct cifs_search_info *psrch_inf);
285 extern int CIFSFindClose(const unsigned int xid, struct cifs_tcon *tcon,
286 const __u16 search_handle);
288 extern int CIFSSMBQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
289 u16 netfid, FILE_ALL_INFO *pFindData);
290 extern int CIFSSMBQPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
291 const char *search_Name, FILE_ALL_INFO *data,
292 int legacy /* whether to use old info level */,
293 const struct nls_table *nls_codepage, int remap);
294 extern int SMBQueryInformation(const unsigned int xid, struct cifs_tcon *tcon,
295 const char *search_name, FILE_ALL_INFO *data,
296 const struct nls_table *nls_codepage, int remap);
298 extern int CIFSSMBUnixQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
299 u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
300 extern int CIFSSMBUnixQPathInfo(const unsigned int xid,
301 struct cifs_tcon *tcon,
302 const unsigned char *searchName,
303 FILE_UNIX_BASIC_INFO *pFindData,
304 const struct nls_table *nls_codepage, int remap);
306 extern int CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses,
307 const char *search_name,
308 struct dfs_info3_param **target_nodes,
309 unsigned int *num_of_nodes,
310 const struct nls_table *nls_codepage, int remap);
312 extern int parse_dfs_referrals(struct get_dfs_referral_rsp *rsp, u32 rsp_size,
313 unsigned int *num_of_nodes,
314 struct dfs_info3_param **target_nodes,
315 const struct nls_table *nls_codepage, int remap,
316 const char *searchName, bool is_unicode);
317 extern void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon,
318 struct cifs_sb_info *cifs_sb,
319 struct smb_vol *vol);
320 extern int CIFSSMBQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
321 struct kstatfs *FSData);
322 extern int SMBOldQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
323 struct kstatfs *FSData);
324 extern int CIFSSMBSetFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon,
327 extern int CIFSSMBQFSAttributeInfo(const unsigned int xid,
328 struct cifs_tcon *tcon);
329 extern int CIFSSMBQFSDeviceInfo(const unsigned int xid, struct cifs_tcon *tcon);
330 extern int CIFSSMBQFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon);
331 extern int CIFSSMBQFSPosixInfo(const unsigned int xid, struct cifs_tcon *tcon,
332 struct kstatfs *FSData);
334 extern int CIFSSMBSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
335 const char *fileName, const FILE_BASIC_INFO *data,
336 const struct nls_table *nls_codepage,
337 int remap_special_chars);
338 extern int CIFSSMBSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
339 const FILE_BASIC_INFO *data, __u16 fid,
340 __u32 pid_of_opener);
341 extern int CIFSSMBSetFileDisposition(const unsigned int xid,
342 struct cifs_tcon *tcon,
343 bool delete_file, __u16 fid,
344 __u32 pid_of_opener);
346 extern int CIFSSMBSetAttrLegacy(unsigned int xid, struct cifs_tcon *tcon,
347 char *fileName, __u16 dos_attributes,
348 const struct nls_table *nls_codepage);
349 #endif /* possibly unneeded function */
350 extern int CIFSSMBSetEOF(const unsigned int xid, struct cifs_tcon *tcon,
351 const char *file_name, __u64 size,
352 struct cifs_sb_info *cifs_sb, bool set_allocation);
353 extern int CIFSSMBSetFileSize(const unsigned int xid, struct cifs_tcon *tcon,
354 struct cifsFileInfo *cfile, __u64 size,
355 bool set_allocation);
357 struct cifs_unix_set_info_args {
367 extern int CIFSSMBUnixSetFileInfo(const unsigned int xid,
368 struct cifs_tcon *tcon,
369 const struct cifs_unix_set_info_args *args,
370 u16 fid, u32 pid_of_opener);
372 extern int CIFSSMBUnixSetPathInfo(const unsigned int xid,
373 struct cifs_tcon *tcon, const char *file_name,
374 const struct cifs_unix_set_info_args *args,
375 const struct nls_table *nls_codepage,
378 extern int CIFSSMBMkDir(const unsigned int xid, struct inode *inode,
379 umode_t mode, struct cifs_tcon *tcon,
380 const char *name, struct cifs_sb_info *cifs_sb);
381 extern int CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon,
382 const char *name, struct cifs_sb_info *cifs_sb);
383 extern int CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon,
384 const char *name, __u16 type,
385 const struct nls_table *nls_codepage,
386 int remap_special_chars);
387 extern int CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon,
388 const char *name, struct cifs_sb_info *cifs_sb);
389 extern int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon,
390 const char *from_name, const char *to_name,
391 struct cifs_sb_info *cifs_sb);
392 extern int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *tcon,
393 int netfid, const char *target_name,
394 const struct nls_table *nls_codepage,
395 int remap_special_chars);
396 extern int CIFSCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon,
397 const char *from_name, const char *to_name,
398 struct cifs_sb_info *cifs_sb);
399 extern int CIFSUnixCreateHardLink(const unsigned int xid,
400 struct cifs_tcon *tcon,
401 const char *fromName, const char *toName,
402 const struct nls_table *nls_codepage,
403 int remap_special_chars);
404 extern int CIFSUnixCreateSymLink(const unsigned int xid,
405 struct cifs_tcon *tcon,
406 const char *fromName, const char *toName,
407 const struct nls_table *nls_codepage, int remap);
408 extern int CIFSSMBUnixQuerySymLink(const unsigned int xid,
409 struct cifs_tcon *tcon,
410 const unsigned char *searchName, char **syminfo,
411 const struct nls_table *nls_codepage, int remap);
412 extern int CIFSSMBQuerySymLink(const unsigned int xid, struct cifs_tcon *tcon,
413 __u16 fid, char **symlinkinfo,
414 const struct nls_table *nls_codepage);
415 extern int CIFSSMB_set_compression(const unsigned int xid,
416 struct cifs_tcon *tcon, __u16 fid);
417 extern int CIFS_open(const unsigned int xid, struct cifs_open_parms *oparms,
418 int *oplock, FILE_ALL_INFO *buf);
419 extern int SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon,
420 const char *fileName, const int disposition,
421 const int access_flags, const int omode,
422 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
423 const struct nls_table *nls_codepage, int remap);
424 extern int CIFSPOSIXCreate(const unsigned int xid, struct cifs_tcon *tcon,
425 u32 posix_flags, __u64 mode, __u16 *netfid,
426 FILE_UNIX_BASIC_INFO *pRetData,
427 __u32 *pOplock, const char *name,
428 const struct nls_table *nls_codepage, int remap);
429 extern int CIFSSMBClose(const unsigned int xid, struct cifs_tcon *tcon,
430 const int smb_file_id);
432 extern int CIFSSMBFlush(const unsigned int xid, struct cifs_tcon *tcon,
433 const int smb_file_id);
435 extern int CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms,
436 unsigned int *nbytes, char **buf,
437 int *return_buf_type);
438 extern int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms,
439 unsigned int *nbytes, const char *buf);
440 extern int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms,
441 unsigned int *nbytes, struct kvec *iov, const int nvec);
442 extern int CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon,
443 const char *search_name, __u64 *inode_number,
444 const struct nls_table *nls_codepage,
447 extern int cifs_lockv(const unsigned int xid, struct cifs_tcon *tcon,
448 const __u16 netfid, const __u8 lock_type,
449 const __u32 num_unlock, const __u32 num_lock,
450 LOCKING_ANDX_RANGE *buf);
451 extern int CIFSSMBLock(const unsigned int xid, struct cifs_tcon *tcon,
452 const __u16 netfid, const __u32 netpid, const __u64 len,
453 const __u64 offset, const __u32 numUnlock,
454 const __u32 numLock, const __u8 lockType,
455 const bool waitFlag, const __u8 oplock_level);
456 extern int CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon,
457 const __u16 smb_file_id, const __u32 netpid,
458 const loff_t start_offset, const __u64 len,
459 struct file_lock *, const __u16 lock_type,
460 const bool waitFlag);
461 extern int CIFSSMBTDis(const unsigned int xid, struct cifs_tcon *tcon);
462 extern int CIFSSMBEcho(struct TCP_Server_Info *server);
463 extern int CIFSSMBLogoff(const unsigned int xid, struct cifs_ses *ses);
465 extern struct cifs_ses *sesInfoAlloc(void);
466 extern void sesInfoFree(struct cifs_ses *);
467 extern struct cifs_tcon *tconInfoAlloc(void);
468 extern void tconInfoFree(struct cifs_tcon *);
470 extern int cifs_sign_rqst(struct smb_rqst *rqst, struct TCP_Server_Info *server,
471 __u32 *pexpected_response_sequence_number);
472 extern int cifs_sign_smbv(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
474 extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
475 extern int cifs_verify_signature(struct smb_rqst *rqst,
476 struct TCP_Server_Info *server,
477 __u32 expected_sequence_number);
478 extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *,
479 const struct nls_table *);
480 extern int setup_ntlm_response(struct cifs_ses *, const struct nls_table *);
481 extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *);
482 extern void cifs_crypto_secmech_release(struct TCP_Server_Info *server);
483 extern int calc_seckey(struct cifs_ses *);
484 extern int generate_smb30signingkey(struct cifs_ses *);
485 extern int generate_smb311signingkey(struct cifs_ses *);
487 #ifdef CONFIG_CIFS_WEAK_PW_HASH
488 extern int calc_lanman_hash(const char *password, const char *cryptkey,
489 bool encrypt, char *lnm_session_key);
490 #endif /* CIFS_WEAK_PW_HASH */
491 #ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */
492 extern int CIFSSMBNotify(const unsigned int xid, struct cifs_tcon *tcon,
493 const int notify_subdirs, const __u16 netfid,
494 __u32 filter, struct file *file, int multishot,
495 const struct nls_table *nls_codepage);
496 #endif /* was needed for dnotify, and will be needed for inotify when VFS fix */
497 extern int CIFSSMBCopy(unsigned int xid,
498 struct cifs_tcon *source_tcon,
499 const char *fromName,
500 const __u16 target_tid,
501 const char *toName, const int flags,
502 const struct nls_table *nls_codepage,
503 int remap_special_chars);
504 extern ssize_t CIFSSMBQAllEAs(const unsigned int xid, struct cifs_tcon *tcon,
505 const unsigned char *searchName,
506 const unsigned char *ea_name, char *EAData,
507 size_t bufsize, struct cifs_sb_info *cifs_sb);
508 extern int CIFSSMBSetEA(const unsigned int xid, struct cifs_tcon *tcon,
509 const char *fileName, const char *ea_name,
510 const void *ea_value, const __u16 ea_value_len,
511 const struct nls_table *nls_codepage,
512 struct cifs_sb_info *cifs_sb);
513 extern int CIFSSMBGetCIFSACL(const unsigned int xid, struct cifs_tcon *tcon,
514 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
515 extern int CIFSSMBSetCIFSACL(const unsigned int, struct cifs_tcon *, __u16,
516 struct cifs_ntsd *, __u32, int);
517 extern int CIFSSMBGetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
518 const unsigned char *searchName,
519 char *acl_inf, const int buflen, const int acl_type,
520 const struct nls_table *nls_codepage, int remap_special_chars);
521 extern int CIFSSMBSetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
522 const unsigned char *fileName,
523 const char *local_acl, const int buflen, const int acl_type,
524 const struct nls_table *nls_codepage, int remap_special_chars);
525 extern int CIFSGetExtAttr(const unsigned int xid, struct cifs_tcon *tcon,
526 const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
527 extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
528 extern bool couldbe_mf_symlink(const struct cifs_fattr *fattr);
529 extern int check_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
530 struct cifs_sb_info *cifs_sb,
531 struct cifs_fattr *fattr,
532 const unsigned char *path);
533 extern int mdfour(unsigned char *, unsigned char *, int);
534 extern int E_md4hash(const unsigned char *passwd, unsigned char *p16,
535 const struct nls_table *codepage);
536 extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8,
540 cifs_setup_volume_info(struct smb_vol *volume_info, char *mount_data,
541 const char *devname, bool is_smb3);
543 cifs_cleanup_volume_info_contents(struct smb_vol *volume_info);
545 extern struct TCP_Server_Info *
546 cifs_find_tcp_session(struct smb_vol *vol);
548 extern void cifs_put_smb_ses(struct cifs_ses *ses);
550 extern struct cifs_ses *
551 cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info);
553 void cifs_readdata_release(struct kref *refcount);
554 int cifs_async_readv(struct cifs_readdata *rdata);
555 int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid);
557 int cifs_async_writev(struct cifs_writedata *wdata,
558 void (*release)(struct kref *kref));
559 void cifs_writev_complete(struct work_struct *work);
560 struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages,
561 work_func_t complete);
562 struct cifs_writedata *cifs_writedata_direct_alloc(struct page **pages,
563 work_func_t complete);
564 void cifs_writedata_release(struct kref *refcount);
565 int cifs_query_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_read);
569 int cifs_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
570 struct cifs_sb_info *cifs_sb,
571 const unsigned char *path, char *pbuf,
572 unsigned int *pbytes_written);
573 int __cifs_calc_signature(struct smb_rqst *rqst,
574 struct TCP_Server_Info *server, char *signature,
575 struct shash_desc *shash);
576 enum securityEnum cifs_select_sectype(struct TCP_Server_Info *,
578 struct cifs_aio_ctx *cifs_aio_ctx_alloc(void);
579 void cifs_aio_ctx_release(struct kref *refcount);
580 int setup_aio_ctx_iter(struct cifs_aio_ctx *ctx, struct iov_iter *iter, int rw);
581 void smb2_cached_lease_break(struct work_struct *work);
583 int cifs_alloc_hash(const char *name, struct crypto_shash **shash,
584 struct sdesc **sdesc);
585 void cifs_free_hash(struct crypto_shash **shash, struct sdesc **sdesc);
587 extern void rqst_page_get_length(struct smb_rqst *rqst, unsigned int page,
588 unsigned int *len, unsigned int *offset);
589 int cifs_try_adding_channels(struct cifs_ses *ses);
590 int cifs_ses_add_channel(struct cifs_ses *ses,
591 struct cifs_server_iface *iface);
592 bool is_server_using_iface(struct TCP_Server_Info *server,
593 struct cifs_server_iface *iface);
594 bool is_ses_using_iface(struct cifs_ses *ses, struct cifs_server_iface *iface);
596 void extract_unc_hostname(const char *unc, const char **h, size_t *len);
597 int copy_path_name(char *dst, const char *src);
599 #ifdef CONFIG_CIFS_DFS_UPCALL
600 static inline int get_dfs_path(const unsigned int xid, struct cifs_ses *ses,
601 const char *old_path,
602 const struct nls_table *nls_codepage,
603 struct dfs_info3_param *referral, int remap)
605 return dfs_cache_find(xid, ses, nls_codepage, remap, old_path,
610 #endif /* _CIFSPROTO_H */