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, "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, "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 bool cifs_match_ipaddr(struct sockaddr *srcaddr, struct sockaddr *rhs);
93 extern int cifs_discard_remaining_data(struct TCP_Server_Info *server);
94 extern int cifs_call_async(struct TCP_Server_Info *server,
95 struct smb_rqst *rqst,
96 mid_receive_t *receive, mid_callback_t *callback,
97 mid_handle_t *handle, void *cbdata, const int flags,
98 const struct cifs_credits *exist_credits);
99 extern struct TCP_Server_Info *cifs_pick_channel(struct cifs_ses *ses);
100 extern int cifs_send_recv(const unsigned int xid, struct cifs_ses *ses,
101 struct TCP_Server_Info *server,
102 struct smb_rqst *rqst, int *resp_buf_type,
103 const int flags, struct kvec *resp_iov);
104 extern int compound_send_recv(const unsigned int xid, struct cifs_ses *ses,
105 struct TCP_Server_Info *server,
106 const int flags, const int num_rqst,
107 struct smb_rqst *rqst, int *resp_buf_type,
108 struct kvec *resp_iov);
109 extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *,
110 struct smb_hdr * /* input */ ,
111 struct smb_hdr * /* out */ ,
112 int * /* bytes returned */ , const int);
113 extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses,
114 char *in_buf, int flags);
115 extern struct mid_q_entry *cifs_setup_request(struct cifs_ses *,
116 struct TCP_Server_Info *,
118 extern struct mid_q_entry *cifs_setup_async_request(struct TCP_Server_Info *,
120 extern int cifs_check_receive(struct mid_q_entry *mid,
121 struct TCP_Server_Info *server, bool log_error);
122 extern int cifs_wait_mtu_credits(struct TCP_Server_Info *server,
123 unsigned int size, unsigned int *num,
124 struct cifs_credits *credits);
125 extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *,
126 struct kvec *, int /* nvec to send */,
127 int * /* type of buf returned */, const int flags,
128 struct kvec * /* resp vec */);
129 extern int SendReceiveBlockingLock(const unsigned int xid,
130 struct cifs_tcon *ptcon,
131 struct smb_hdr *in_buf ,
132 struct smb_hdr *out_buf,
133 int *bytes_returned);
134 extern int cifs_reconnect(struct TCP_Server_Info *server);
135 extern int checkSMB(char *buf, unsigned int len, struct TCP_Server_Info *srvr);
136 extern bool is_valid_oplock_break(char *, struct TCP_Server_Info *);
137 extern bool backup_cred(struct cifs_sb_info *);
138 extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
139 extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset,
140 unsigned int bytes_written);
141 extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, int);
142 extern int cifs_get_writable_file(struct cifsInodeInfo *cifs_inode,
144 struct cifsFileInfo **ret_file);
145 extern int cifs_get_writable_path(struct cifs_tcon *tcon, const char *name,
147 struct cifsFileInfo **ret_file);
148 extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
149 extern int cifs_get_readable_path(struct cifs_tcon *tcon, const char *name,
150 struct cifsFileInfo **ret_file);
151 extern unsigned int smbCalcSize(void *buf, struct TCP_Server_Info *server);
152 extern int decode_negTokenInit(unsigned char *security_blob, int length,
153 struct TCP_Server_Info *server);
154 extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len);
155 extern void cifs_set_port(struct sockaddr *addr, const unsigned short int port);
156 extern int map_smb_to_linux_error(char *buf, bool logErr);
157 extern void header_assemble(struct smb_hdr *, char /* command */ ,
158 const struct cifs_tcon *, int /* length of
159 fixed section (word count) in two byte units */);
160 extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
161 struct cifs_ses *ses,
163 extern enum securityEnum select_sectype(struct TCP_Server_Info *server,
164 enum securityEnum requested);
165 extern int CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses,
166 const struct nls_table *nls_cp);
167 extern struct timespec64 cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
168 extern u64 cifs_UnixTimeToNT(struct timespec64);
169 extern struct timespec64 cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
171 extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
172 extern int cifs_get_writer(struct cifsInodeInfo *cinode);
173 extern void cifs_put_writer(struct cifsInodeInfo *cinode);
174 extern void cifs_done_oplock_break(struct cifsInodeInfo *cinode);
175 extern int cifs_unlock_range(struct cifsFileInfo *cfile,
176 struct file_lock *flock, const unsigned int xid);
177 extern int cifs_push_mandatory_locks(struct cifsFileInfo *cfile);
179 extern void cifs_down_write(struct rw_semaphore *sem);
180 extern struct cifsFileInfo *cifs_new_fileinfo(struct cifs_fid *fid,
182 struct tcon_link *tlink,
184 extern int cifs_posix_open(char *full_path, struct inode **inode,
185 struct super_block *sb, int mode,
186 unsigned int f_flags, __u32 *oplock, __u16 *netfid,
188 void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr);
189 extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
190 FILE_UNIX_BASIC_INFO *info,
191 struct cifs_sb_info *cifs_sb);
192 extern void cifs_dir_info_to_fattr(struct cifs_fattr *, FILE_DIRECTORY_INFO *,
193 struct cifs_sb_info *);
194 extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
195 extern struct inode *cifs_iget(struct super_block *sb,
196 struct cifs_fattr *fattr);
198 extern int cifs_get_inode_info(struct inode **inode, const char *full_path,
199 FILE_ALL_INFO *data, struct super_block *sb,
200 int xid, const struct cifs_fid *fid);
201 extern int smb311_posix_get_inode_info(struct inode **pinode, const char *search_path,
202 struct super_block *sb, unsigned int xid);
203 extern int cifs_get_inode_info_unix(struct inode **pinode,
204 const unsigned char *search_path,
205 struct super_block *sb, unsigned int xid);
206 extern int cifs_set_file_info(struct inode *inode, struct iattr *attrs,
207 unsigned int xid, char *full_path, __u32 dosattr);
208 extern int cifs_rename_pending_delete(const char *full_path,
209 struct dentry *dentry,
210 const unsigned int xid);
211 extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
212 struct cifs_fattr *fattr, struct inode *inode,
213 bool get_mode_from_special_sid,
214 const char *path, const struct cifs_fid *pfid);
215 extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64,
217 extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *,
218 const char *, u32 *);
219 extern struct cifs_ntsd *get_cifs_acl_by_fid(struct cifs_sb_info *,
220 const struct cifs_fid *, u32 *);
221 extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *,
223 extern unsigned int setup_authusers_ACE(struct cifs_ace *pace);
224 extern unsigned int setup_special_mode_ACE(struct cifs_ace *pace, __u64 nmode);
226 extern void dequeue_mid(struct mid_q_entry *mid, bool malformed);
227 extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf,
228 unsigned int to_read);
229 extern int cifs_read_page_from_socket(struct TCP_Server_Info *server,
231 unsigned int page_offset,
232 unsigned int to_read);
233 extern int cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
234 struct cifs_sb_info *cifs_sb);
235 extern int cifs_match_super(struct super_block *, void *);
236 extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info);
237 extern struct smb_vol *cifs_get_volume_info(char *mount_data,
238 const char *devname, bool is_smb3);
239 extern int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *vol);
240 extern void cifs_umount(struct cifs_sb_info *);
241 extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon);
242 extern void cifs_reopen_persistent_handles(struct cifs_tcon *tcon);
244 extern bool cifs_find_lock_conflict(struct cifsFileInfo *cfile, __u64 offset,
245 __u64 length, __u8 type, __u16 flags,
246 struct cifsLockInfo **conf_lock,
248 extern void cifs_add_pending_open(struct cifs_fid *fid,
249 struct tcon_link *tlink,
250 struct cifs_pending_open *open);
251 extern void cifs_add_pending_open_locked(struct cifs_fid *fid,
252 struct tcon_link *tlink,
253 struct cifs_pending_open *open);
254 extern void cifs_del_pending_open(struct cifs_pending_open *open);
255 extern struct TCP_Server_Info *cifs_get_tcp_session(struct smb_vol *vol);
256 extern void cifs_put_tcp_session(struct TCP_Server_Info *server,
258 extern void cifs_put_tcon(struct cifs_tcon *tcon);
260 #if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL)
261 extern void cifs_dfs_release_automount_timer(void);
262 #else /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
263 #define cifs_dfs_release_automount_timer() do { } while (0)
264 #endif /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
266 void cifs_proc_init(void);
267 void cifs_proc_clean(void);
269 extern void cifs_move_llist(struct list_head *source, struct list_head *dest);
270 extern void cifs_free_llist(struct list_head *llist);
271 extern void cifs_del_lock_waiters(struct cifsLockInfo *lock);
273 extern int cifs_negotiate_protocol(const unsigned int xid,
274 struct cifs_ses *ses);
275 extern int cifs_setup_session(const unsigned int xid, struct cifs_ses *ses,
276 struct nls_table *nls_info);
277 extern int cifs_enable_signing(struct TCP_Server_Info *server, bool mnt_sign_required);
278 extern int CIFSSMBNegotiate(const unsigned int xid, struct cifs_ses *ses);
280 extern int CIFSTCon(const unsigned int xid, struct cifs_ses *ses,
281 const char *tree, struct cifs_tcon *tcon,
282 const struct nls_table *);
284 extern int CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon,
285 const char *searchName, struct cifs_sb_info *cifs_sb,
286 __u16 *searchHandle, __u16 search_flags,
287 struct cifs_search_info *psrch_inf,
290 extern int CIFSFindNext(const unsigned int xid, struct cifs_tcon *tcon,
291 __u16 searchHandle, __u16 search_flags,
292 struct cifs_search_info *psrch_inf);
294 extern int CIFSFindClose(const unsigned int xid, struct cifs_tcon *tcon,
295 const __u16 search_handle);
297 extern int CIFSSMBQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
298 u16 netfid, FILE_ALL_INFO *pFindData);
299 extern int CIFSSMBQPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
300 const char *search_Name, FILE_ALL_INFO *data,
301 int legacy /* whether to use old info level */,
302 const struct nls_table *nls_codepage, int remap);
303 extern int SMBQueryInformation(const unsigned int xid, struct cifs_tcon *tcon,
304 const char *search_name, FILE_ALL_INFO *data,
305 const struct nls_table *nls_codepage, int remap);
307 extern int CIFSSMBUnixQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
308 u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
309 extern int CIFSSMBUnixQPathInfo(const unsigned int xid,
310 struct cifs_tcon *tcon,
311 const unsigned char *searchName,
312 FILE_UNIX_BASIC_INFO *pFindData,
313 const struct nls_table *nls_codepage, int remap);
315 extern int CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses,
316 const char *search_name,
317 struct dfs_info3_param **target_nodes,
318 unsigned int *num_of_nodes,
319 const struct nls_table *nls_codepage, int remap);
321 extern int parse_dfs_referrals(struct get_dfs_referral_rsp *rsp, u32 rsp_size,
322 unsigned int *num_of_nodes,
323 struct dfs_info3_param **target_nodes,
324 const struct nls_table *nls_codepage, int remap,
325 const char *searchName, bool is_unicode);
326 extern void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon,
327 struct cifs_sb_info *cifs_sb,
328 struct smb_vol *vol);
329 extern int CIFSSMBQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
330 struct kstatfs *FSData);
331 extern int SMBOldQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
332 struct kstatfs *FSData);
333 extern int CIFSSMBSetFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon,
336 extern int CIFSSMBQFSAttributeInfo(const unsigned int xid,
337 struct cifs_tcon *tcon);
338 extern int CIFSSMBQFSDeviceInfo(const unsigned int xid, struct cifs_tcon *tcon);
339 extern int CIFSSMBQFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon);
340 extern int CIFSSMBQFSPosixInfo(const unsigned int xid, struct cifs_tcon *tcon,
341 struct kstatfs *FSData);
343 extern int CIFSSMBSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
344 const char *fileName, const FILE_BASIC_INFO *data,
345 const struct nls_table *nls_codepage,
346 int remap_special_chars);
347 extern int CIFSSMBSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
348 const FILE_BASIC_INFO *data, __u16 fid,
349 __u32 pid_of_opener);
350 extern int CIFSSMBSetFileDisposition(const unsigned int xid,
351 struct cifs_tcon *tcon,
352 bool delete_file, __u16 fid,
353 __u32 pid_of_opener);
355 extern int CIFSSMBSetAttrLegacy(unsigned int xid, struct cifs_tcon *tcon,
356 char *fileName, __u16 dos_attributes,
357 const struct nls_table *nls_codepage);
358 #endif /* possibly unneeded function */
359 extern int CIFSSMBSetEOF(const unsigned int xid, struct cifs_tcon *tcon,
360 const char *file_name, __u64 size,
361 struct cifs_sb_info *cifs_sb, bool set_allocation);
362 extern int CIFSSMBSetFileSize(const unsigned int xid, struct cifs_tcon *tcon,
363 struct cifsFileInfo *cfile, __u64 size,
364 bool set_allocation);
366 struct cifs_unix_set_info_args {
376 extern int CIFSSMBUnixSetFileInfo(const unsigned int xid,
377 struct cifs_tcon *tcon,
378 const struct cifs_unix_set_info_args *args,
379 u16 fid, u32 pid_of_opener);
381 extern int CIFSSMBUnixSetPathInfo(const unsigned int xid,
382 struct cifs_tcon *tcon, const char *file_name,
383 const struct cifs_unix_set_info_args *args,
384 const struct nls_table *nls_codepage,
387 extern int CIFSSMBMkDir(const unsigned int xid, struct inode *inode,
388 umode_t mode, struct cifs_tcon *tcon,
389 const char *name, struct cifs_sb_info *cifs_sb);
390 extern int CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon,
391 const char *name, struct cifs_sb_info *cifs_sb);
392 extern int CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon,
393 const char *name, __u16 type,
394 const struct nls_table *nls_codepage,
395 int remap_special_chars);
396 extern int CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon,
397 const char *name, struct cifs_sb_info *cifs_sb);
398 extern int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon,
399 const char *from_name, const char *to_name,
400 struct cifs_sb_info *cifs_sb);
401 extern int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *tcon,
402 int netfid, const char *target_name,
403 const struct nls_table *nls_codepage,
404 int remap_special_chars);
405 extern int CIFSCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon,
406 const char *from_name, const char *to_name,
407 struct cifs_sb_info *cifs_sb);
408 extern int CIFSUnixCreateHardLink(const unsigned int xid,
409 struct cifs_tcon *tcon,
410 const char *fromName, const char *toName,
411 const struct nls_table *nls_codepage,
412 int remap_special_chars);
413 extern int CIFSUnixCreateSymLink(const unsigned int xid,
414 struct cifs_tcon *tcon,
415 const char *fromName, const char *toName,
416 const struct nls_table *nls_codepage, int remap);
417 extern int CIFSSMBUnixQuerySymLink(const unsigned int xid,
418 struct cifs_tcon *tcon,
419 const unsigned char *searchName, char **syminfo,
420 const struct nls_table *nls_codepage, int remap);
421 extern int CIFSSMBQuerySymLink(const unsigned int xid, struct cifs_tcon *tcon,
422 __u16 fid, char **symlinkinfo,
423 const struct nls_table *nls_codepage);
424 extern int CIFSSMB_set_compression(const unsigned int xid,
425 struct cifs_tcon *tcon, __u16 fid);
426 extern int CIFS_open(const unsigned int xid, struct cifs_open_parms *oparms,
427 int *oplock, FILE_ALL_INFO *buf);
428 extern int SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon,
429 const char *fileName, const int disposition,
430 const int access_flags, const int omode,
431 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
432 const struct nls_table *nls_codepage, int remap);
433 extern int CIFSPOSIXCreate(const unsigned int xid, struct cifs_tcon *tcon,
434 u32 posix_flags, __u64 mode, __u16 *netfid,
435 FILE_UNIX_BASIC_INFO *pRetData,
436 __u32 *pOplock, const char *name,
437 const struct nls_table *nls_codepage, int remap);
438 extern int CIFSSMBClose(const unsigned int xid, struct cifs_tcon *tcon,
439 const int smb_file_id);
441 extern int CIFSSMBFlush(const unsigned int xid, struct cifs_tcon *tcon,
442 const int smb_file_id);
444 extern int CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms,
445 unsigned int *nbytes, char **buf,
446 int *return_buf_type);
447 extern int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms,
448 unsigned int *nbytes, const char *buf);
449 extern int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms,
450 unsigned int *nbytes, struct kvec *iov, const int nvec);
451 extern int CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon,
452 const char *search_name, __u64 *inode_number,
453 const struct nls_table *nls_codepage,
456 extern int cifs_lockv(const unsigned int xid, struct cifs_tcon *tcon,
457 const __u16 netfid, const __u8 lock_type,
458 const __u32 num_unlock, const __u32 num_lock,
459 LOCKING_ANDX_RANGE *buf);
460 extern int CIFSSMBLock(const unsigned int xid, struct cifs_tcon *tcon,
461 const __u16 netfid, const __u32 netpid, const __u64 len,
462 const __u64 offset, const __u32 numUnlock,
463 const __u32 numLock, const __u8 lockType,
464 const bool waitFlag, const __u8 oplock_level);
465 extern int CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon,
466 const __u16 smb_file_id, const __u32 netpid,
467 const loff_t start_offset, const __u64 len,
468 struct file_lock *, const __u16 lock_type,
469 const bool waitFlag);
470 extern int CIFSSMBTDis(const unsigned int xid, struct cifs_tcon *tcon);
471 extern int CIFSSMBEcho(struct TCP_Server_Info *server);
472 extern int CIFSSMBLogoff(const unsigned int xid, struct cifs_ses *ses);
474 extern struct cifs_ses *sesInfoAlloc(void);
475 extern void sesInfoFree(struct cifs_ses *);
476 extern struct cifs_tcon *tconInfoAlloc(void);
477 extern void tconInfoFree(struct cifs_tcon *);
479 extern int cifs_sign_rqst(struct smb_rqst *rqst, struct TCP_Server_Info *server,
480 __u32 *pexpected_response_sequence_number);
481 extern int cifs_sign_smbv(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
483 extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
484 extern int cifs_verify_signature(struct smb_rqst *rqst,
485 struct TCP_Server_Info *server,
486 __u32 expected_sequence_number);
487 extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *,
488 const struct nls_table *);
489 extern int setup_ntlm_response(struct cifs_ses *, const struct nls_table *);
490 extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *);
491 extern void cifs_crypto_secmech_release(struct TCP_Server_Info *server);
492 extern int calc_seckey(struct cifs_ses *);
493 extern int generate_smb30signingkey(struct cifs_ses *);
494 extern int generate_smb311signingkey(struct cifs_ses *);
496 #ifdef CONFIG_CIFS_WEAK_PW_HASH
497 extern int calc_lanman_hash(const char *password, const char *cryptkey,
498 bool encrypt, char *lnm_session_key);
499 #endif /* CIFS_WEAK_PW_HASH */
500 #ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */
501 extern int CIFSSMBNotify(const unsigned int xid, struct cifs_tcon *tcon,
502 const int notify_subdirs, const __u16 netfid,
503 __u32 filter, struct file *file, int multishot,
504 const struct nls_table *nls_codepage);
505 #endif /* was needed for dnotify, and will be needed for inotify when VFS fix */
506 extern int CIFSSMBCopy(unsigned int xid,
507 struct cifs_tcon *source_tcon,
508 const char *fromName,
509 const __u16 target_tid,
510 const char *toName, const int flags,
511 const struct nls_table *nls_codepage,
512 int remap_special_chars);
513 extern ssize_t CIFSSMBQAllEAs(const unsigned int xid, struct cifs_tcon *tcon,
514 const unsigned char *searchName,
515 const unsigned char *ea_name, char *EAData,
516 size_t bufsize, struct cifs_sb_info *cifs_sb);
517 extern int CIFSSMBSetEA(const unsigned int xid, struct cifs_tcon *tcon,
518 const char *fileName, const char *ea_name,
519 const void *ea_value, const __u16 ea_value_len,
520 const struct nls_table *nls_codepage,
521 struct cifs_sb_info *cifs_sb);
522 extern int CIFSSMBGetCIFSACL(const unsigned int xid, struct cifs_tcon *tcon,
523 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
524 extern int CIFSSMBSetCIFSACL(const unsigned int, struct cifs_tcon *, __u16,
525 struct cifs_ntsd *, __u32, int);
526 extern int CIFSSMBGetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
527 const unsigned char *searchName,
528 char *acl_inf, const int buflen, const int acl_type,
529 const struct nls_table *nls_codepage, int remap_special_chars);
530 extern int CIFSSMBSetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
531 const unsigned char *fileName,
532 const char *local_acl, const int buflen, const int acl_type,
533 const struct nls_table *nls_codepage, int remap_special_chars);
534 extern int CIFSGetExtAttr(const unsigned int xid, struct cifs_tcon *tcon,
535 const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
536 extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
537 extern bool couldbe_mf_symlink(const struct cifs_fattr *fattr);
538 extern int check_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
539 struct cifs_sb_info *cifs_sb,
540 struct cifs_fattr *fattr,
541 const unsigned char *path);
542 extern int mdfour(unsigned char *, unsigned char *, int);
543 extern int E_md4hash(const unsigned char *passwd, unsigned char *p16,
544 const struct nls_table *codepage);
545 extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8,
549 cifs_setup_volume_info(struct smb_vol *volume_info, char *mount_data,
550 const char *devname, bool is_smb3);
552 cifs_cleanup_volume_info_contents(struct smb_vol *volume_info);
554 extern struct TCP_Server_Info *
555 cifs_find_tcp_session(struct smb_vol *vol);
557 extern void cifs_put_smb_ses(struct cifs_ses *ses);
559 extern struct cifs_ses *
560 cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info);
562 void cifs_readdata_release(struct kref *refcount);
563 int cifs_async_readv(struct cifs_readdata *rdata);
564 int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid);
566 int cifs_async_writev(struct cifs_writedata *wdata,
567 void (*release)(struct kref *kref));
568 void cifs_writev_complete(struct work_struct *work);
569 struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages,
570 work_func_t complete);
571 struct cifs_writedata *cifs_writedata_direct_alloc(struct page **pages,
572 work_func_t complete);
573 void cifs_writedata_release(struct kref *refcount);
574 int cifs_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
575 struct cifs_sb_info *cifs_sb,
576 const unsigned char *path, char *pbuf,
577 unsigned int *pbytes_read);
578 int cifs_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
579 struct cifs_sb_info *cifs_sb,
580 const unsigned char *path, char *pbuf,
581 unsigned int *pbytes_written);
582 int __cifs_calc_signature(struct smb_rqst *rqst,
583 struct TCP_Server_Info *server, char *signature,
584 struct shash_desc *shash);
585 enum securityEnum cifs_select_sectype(struct TCP_Server_Info *,
587 struct cifs_aio_ctx *cifs_aio_ctx_alloc(void);
588 void cifs_aio_ctx_release(struct kref *refcount);
589 int setup_aio_ctx_iter(struct cifs_aio_ctx *ctx, struct iov_iter *iter, int rw);
590 void smb2_cached_lease_break(struct work_struct *work);
592 int cifs_alloc_hash(const char *name, struct crypto_shash **shash,
593 struct sdesc **sdesc);
594 void cifs_free_hash(struct crypto_shash **shash, struct sdesc **sdesc);
596 extern void rqst_page_get_length(struct smb_rqst *rqst, unsigned int page,
597 unsigned int *len, unsigned int *offset);
599 cifs_ses_find_chan(struct cifs_ses *ses, struct TCP_Server_Info *server);
600 int cifs_try_adding_channels(struct cifs_ses *ses);
601 int cifs_ses_add_channel(struct cifs_ses *ses,
602 struct cifs_server_iface *iface);
603 bool is_server_using_iface(struct TCP_Server_Info *server,
604 struct cifs_server_iface *iface);
605 bool is_ses_using_iface(struct cifs_ses *ses, struct cifs_server_iface *iface);
607 void extract_unc_hostname(const char *unc, const char **h, size_t *len);
608 int copy_path_name(char *dst, const char *src);
609 int smb2_parse_query_directory(struct cifs_tcon *tcon, struct kvec *rsp_iov,
611 struct cifs_search_info *srch_inf);
613 struct super_block *cifs_get_tcp_super(struct TCP_Server_Info *server);
614 void cifs_put_tcp_super(struct super_block *sb);
615 int update_super_prepath(struct cifs_tcon *tcon, const char *prefix,
618 #ifdef CONFIG_CIFS_DFS_UPCALL
619 static inline int get_dfs_path(const unsigned int xid, struct cifs_ses *ses,
620 const char *old_path,
621 const struct nls_table *nls_codepage,
622 struct dfs_info3_param *referral, int remap)
624 return dfs_cache_find(xid, ses, nls_codepage, remap, old_path,
628 int match_target_ip(struct TCP_Server_Info *server,
629 const char *share, size_t share_len,
633 static inline int cifs_create_options(struct cifs_sb_info *cifs_sb, int options)
635 if (cifs_sb && (backup_cred(cifs_sb)))
636 return options | CREATE_OPEN_BACKUP_INTENT;
641 #endif /* _CIFSPROTO_H */