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192.168.1.100 / T800 / 2343dfc47adf41b08cdfc44cdd28b451e7292d4c / . / src / kernel / linux / v4.19 / fs / cifs / cifsproto.h
blob: d7ac75ea881c761bd7e0af485ff9f33358d684be [file] [log] [blame]
xjb04a4022021-11-25 15:01:52 +0800[diff] [blame]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#include "trace.h"
25
26struct statfs;
27struct smb_vol;
28struct smb_rqst;
29
30/*
31 *****************************************************************
32 * All Prototypes
33 *****************************************************************
34 */
35
36extern struct smb_hdr *cifs_buf_get(void);
37extern void cifs_buf_release(void *);
38extern struct smb_hdr *cifs_small_buf_get(void);
39extern void cifs_small_buf_release(void *);
40extern void free_rsp_buf(int, void *);
41extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *,
42 unsigned int /* length */);
43extern unsigned int _get_xid(void);
44extern 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 trace_smb3_enter(__xid, __func__); \
52 __xid; \
53})
54
55#define free_xid(curr_xid) \
56do { \
57 _free_xid(curr_xid); \
58 cifs_dbg(FYI, "CIFS VFS: leaving %s (xid = %u) rc = %d\n", \
59 __func__, curr_xid, (int)rc); \
60 if (rc) \
61 trace_smb3_exit_err(curr_xid, __func__, (int)rc); \
62 else \
63 trace_smb3_exit_done(curr_xid, __func__); \
64} while (0)
65extern int init_cifs_idmap(void);
66extern void exit_cifs_idmap(void);
67extern int init_cifs_spnego(void);
68extern void exit_cifs_spnego(void);
69extern char *build_path_from_dentry(struct dentry *);
70extern char *build_path_from_dentry_optional_prefix(struct dentry *direntry,
71 bool prefix);
72extern char *cifs_build_path_to_root(struct smb_vol *vol,
73 struct cifs_sb_info *cifs_sb,
74 struct cifs_tcon *tcon,
75 int add_treename);
76extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
77extern char *cifs_compose_mount_options(const char *sb_mountdata,
78 const char *fullpath, const struct dfs_info3_param *ref,
79 char **devname);
80/* extern void renew_parental_timestamps(struct dentry *direntry);*/
81extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer,
82 struct TCP_Server_Info *server);
83extern void DeleteMidQEntry(struct mid_q_entry *midEntry);
84extern void cifs_delete_mid(struct mid_q_entry *mid);
85extern void cifs_mid_q_entry_release(struct mid_q_entry *midEntry);
86extern void cifs_wake_up_task(struct mid_q_entry *mid);
87extern int cifs_handle_standard(struct TCP_Server_Info *server,
88 struct mid_q_entry *mid);
89extern int cifs_discard_remaining_data(struct TCP_Server_Info *server);
90extern int cifs_call_async(struct TCP_Server_Info *server,
91 struct smb_rqst *rqst,
92 mid_receive_t *receive, mid_callback_t *callback,
93 mid_handle_t *handle, void *cbdata, const int flags);
94extern int cifs_send_recv(const unsigned int xid, struct cifs_ses *ses,
95 struct smb_rqst *rqst, int *resp_buf_type,
96 const int flags, struct kvec *resp_iov);
97extern int compound_send_recv(const unsigned int xid, struct cifs_ses *ses,
98 const int flags, const int num_rqst,
99 struct smb_rqst *rqst, int *resp_buf_type,
100 struct kvec *resp_iov);
101extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *,
102 struct smb_hdr * /* input */ ,
103 struct smb_hdr * /* out */ ,
104 int * /* bytes returned */ , const int);
105extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses,
106 char *in_buf, int flags);
107extern struct mid_q_entry *cifs_setup_request(struct cifs_ses *,
108 struct smb_rqst *);
109extern struct mid_q_entry *cifs_setup_async_request(struct TCP_Server_Info *,
110 struct smb_rqst *);
111extern int cifs_check_receive(struct mid_q_entry *mid,
112 struct TCP_Server_Info *server, bool log_error);
113extern int cifs_wait_mtu_credits(struct TCP_Server_Info *server,
114 unsigned int size, unsigned int *num,
115 unsigned int *credits);
116extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *,
117 struct kvec *, int /* nvec to send */,
118 int * /* type of buf returned */, const int flags,
119 struct kvec * /* resp vec */);
120extern int SendReceiveBlockingLock(const unsigned int xid,
121 struct cifs_tcon *ptcon,
122 struct smb_hdr *in_buf ,
123 struct smb_hdr *out_buf,
124 int *bytes_returned);
125extern int cifs_reconnect(struct TCP_Server_Info *server);
126extern int checkSMB(char *buf, unsigned int len, struct TCP_Server_Info *srvr);
127extern bool is_valid_oplock_break(char *, struct TCP_Server_Info *);
128extern bool backup_cred(struct cifs_sb_info *);
129extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
130extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset,
131 unsigned int bytes_written);
132extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, bool);
133extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
134extern unsigned int smbCalcSize(void *buf, struct TCP_Server_Info *server);
135extern int decode_negTokenInit(unsigned char *security_blob, int length,
136 struct TCP_Server_Info *server);
137extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len);
138extern void cifs_set_port(struct sockaddr *addr, const unsigned short int port);
139extern int map_smb_to_linux_error(char *buf, bool logErr);
140extern void header_assemble(struct smb_hdr *, char /* command */ ,
141 const struct cifs_tcon *, int /* length of
142 fixed section (word count) in two byte units */);
143extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
144 struct cifs_ses *ses,
145 void **request_buf);
146extern enum securityEnum select_sectype(struct TCP_Server_Info *server,
147 enum securityEnum requested);
148extern int CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses,
149 const struct nls_table *nls_cp);
150extern struct timespec64 cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
151extern u64 cifs_UnixTimeToNT(struct timespec64);
152extern struct timespec64 cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
153 int offset);
154extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
155extern int cifs_get_writer(struct cifsInodeInfo *cinode);
156extern void cifs_put_writer(struct cifsInodeInfo *cinode);
157extern void cifs_done_oplock_break(struct cifsInodeInfo *cinode);
158extern int cifs_unlock_range(struct cifsFileInfo *cfile,
159 struct file_lock *flock, const unsigned int xid);
160extern int cifs_push_mandatory_locks(struct cifsFileInfo *cfile);
161
162extern void cifs_down_write(struct rw_semaphore *sem);
163extern struct cifsFileInfo *cifs_new_fileinfo(struct cifs_fid *fid,
164 struct file *file,
165 struct tcon_link *tlink,
166 __u32 oplock);
167extern int cifs_posix_open(char *full_path, struct inode **inode,
168 struct super_block *sb, int mode,
169 unsigned int f_flags, __u32 *oplock, __u16 *netfid,
170 unsigned int xid);
171void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr);
172extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
173 FILE_UNIX_BASIC_INFO *info,
174 struct cifs_sb_info *cifs_sb);
175extern void cifs_dir_info_to_fattr(struct cifs_fattr *, FILE_DIRECTORY_INFO *,
176 struct cifs_sb_info *);
177extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
178extern struct inode *cifs_iget(struct super_block *sb,
179 struct cifs_fattr *fattr);
180
181extern int cifs_get_inode_info(struct inode **inode, const char *full_path,
182 FILE_ALL_INFO *data, struct super_block *sb,
183 int xid, const struct cifs_fid *fid);
184extern int cifs_get_inode_info_unix(struct inode **pinode,
185 const unsigned char *search_path,
186 struct super_block *sb, unsigned int xid);
187extern int cifs_set_file_info(struct inode *inode, struct iattr *attrs,
188 unsigned int xid, char *full_path, __u32 dosattr);
189extern int cifs_rename_pending_delete(const char *full_path,
190 struct dentry *dentry,
191 const unsigned int xid);
192extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
193 struct cifs_fattr *fattr, struct inode *inode,
194 const char *path, const struct cifs_fid *pfid);
195extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64,
196 kuid_t, kgid_t);
197extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *,
198 const char *, u32 *);
199extern struct cifs_ntsd *get_cifs_acl_by_fid(struct cifs_sb_info *,
200 const struct cifs_fid *, u32 *);
201extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *,
202 const char *, int);
203
204extern void dequeue_mid(struct mid_q_entry *mid, bool malformed);
205extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf,
206 unsigned int to_read);
207extern int cifs_read_page_from_socket(struct TCP_Server_Info *server,
208 struct page *page,
209 unsigned int page_offset,
210 unsigned int to_read);
211extern int cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
212 struct cifs_sb_info *cifs_sb);
213extern int cifs_match_super(struct super_block *, void *);
214extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info);
215extern struct smb_vol *cifs_get_volume_info(char *mount_data,
216 const char *devname, bool is_smb3);
217extern int cifs_mount(struct cifs_sb_info *, struct smb_vol *);
218extern void cifs_umount(struct cifs_sb_info *);
219extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon);
220extern void cifs_reopen_persistent_handles(struct cifs_tcon *tcon);
221
222extern bool cifs_find_lock_conflict(struct cifsFileInfo *cfile, __u64 offset,
223 __u64 length, __u8 type,
224 struct cifsLockInfo **conf_lock,
225 int rw_check);
226extern void cifs_add_pending_open(struct cifs_fid *fid,
227 struct tcon_link *tlink,
228 struct cifs_pending_open *open);
229extern void cifs_add_pending_open_locked(struct cifs_fid *fid,
230 struct tcon_link *tlink,
231 struct cifs_pending_open *open);
232extern void cifs_del_pending_open(struct cifs_pending_open *open);
233extern void cifs_put_tcp_session(struct TCP_Server_Info *server,
234 int from_reconnect);
235extern void cifs_put_tcon(struct cifs_tcon *tcon);
236
237#if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL)
238extern void cifs_dfs_release_automount_timer(void);
239#else /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
240#define cifs_dfs_release_automount_timer() do { } while (0)
241#endif /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
242
243void cifs_proc_init(void);
244void cifs_proc_clean(void);
245
246extern void cifs_move_llist(struct list_head *source, struct list_head *dest);
247extern void cifs_free_llist(struct list_head *llist);
248extern void cifs_del_lock_waiters(struct cifsLockInfo *lock);
249
250extern int cifs_negotiate_protocol(const unsigned int xid,
251 struct cifs_ses *ses);
252extern int cifs_setup_session(const unsigned int xid, struct cifs_ses *ses,
253 struct nls_table *nls_info);
254extern int cifs_enable_signing(struct TCP_Server_Info *server, bool mnt_sign_required);
255extern int CIFSSMBNegotiate(const unsigned int xid, struct cifs_ses *ses);
256
257extern int CIFSTCon(const unsigned int xid, struct cifs_ses *ses,
258 const char *tree, struct cifs_tcon *tcon,
259 const struct nls_table *);
260
261extern int CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon,
262 const char *searchName, struct cifs_sb_info *cifs_sb,
263 __u16 *searchHandle, __u16 search_flags,
264 struct cifs_search_info *psrch_inf,
265 bool msearch);
266
267extern int CIFSFindNext(const unsigned int xid, struct cifs_tcon *tcon,
268 __u16 searchHandle, __u16 search_flags,
269 struct cifs_search_info *psrch_inf);
270
271extern int CIFSFindClose(const unsigned int xid, struct cifs_tcon *tcon,
272 const __u16 search_handle);
273
274extern int CIFSSMBQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
275 u16 netfid, FILE_ALL_INFO *pFindData);
276extern int CIFSSMBQPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
277 const char *search_Name, FILE_ALL_INFO *data,
278 int legacy /* whether to use old info level */,
279 const struct nls_table *nls_codepage, int remap);
280extern int SMBQueryInformation(const unsigned int xid, struct cifs_tcon *tcon,
281 const char *search_name, FILE_ALL_INFO *data,
282 const struct nls_table *nls_codepage, int remap);
283
284extern int CIFSSMBUnixQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
285 u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
286extern int CIFSSMBUnixQPathInfo(const unsigned int xid,
287 struct cifs_tcon *tcon,
288 const unsigned char *searchName,
289 FILE_UNIX_BASIC_INFO *pFindData,
290 const struct nls_table *nls_codepage, int remap);
291
292extern int CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses,
293 const char *search_name,
294 struct dfs_info3_param **target_nodes,
295 unsigned int *num_of_nodes,
296 const struct nls_table *nls_codepage, int remap);
297
298extern int get_dfs_path(const unsigned int xid, struct cifs_ses *ses,
299 const char *old_path,
300 const struct nls_table *nls_codepage,
301 unsigned int *num_referrals,
302 struct dfs_info3_param **referrals, int remap);
303extern int parse_dfs_referrals(struct get_dfs_referral_rsp *rsp, u32 rsp_size,
304 unsigned int *num_of_nodes,
305 struct dfs_info3_param **target_nodes,
306 const struct nls_table *nls_codepage, int remap,
307 const char *searchName, bool is_unicode);
308extern void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon,
309 struct cifs_sb_info *cifs_sb,
310 struct smb_vol *vol);
311extern int CIFSSMBQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
312 struct kstatfs *FSData);
313extern int SMBOldQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
314 struct kstatfs *FSData);
315extern int CIFSSMBSetFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon,
316 __u64 cap);
317
318extern int CIFSSMBQFSAttributeInfo(const unsigned int xid,
319 struct cifs_tcon *tcon);
320extern int CIFSSMBQFSDeviceInfo(const unsigned int xid, struct cifs_tcon *tcon);
321extern int CIFSSMBQFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon);
322extern int CIFSSMBQFSPosixInfo(const unsigned int xid, struct cifs_tcon *tcon,
323 struct kstatfs *FSData);
324
325extern int CIFSSMBSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
326 const char *fileName, const FILE_BASIC_INFO *data,
327 const struct nls_table *nls_codepage,
328 int remap_special_chars);
329extern int CIFSSMBSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
330 const FILE_BASIC_INFO *data, __u16 fid,
331 __u32 pid_of_opener);
332extern int CIFSSMBSetFileDisposition(const unsigned int xid,
333 struct cifs_tcon *tcon,
334 bool delete_file, __u16 fid,
335 __u32 pid_of_opener);
336#if 0
337extern int CIFSSMBSetAttrLegacy(unsigned int xid, struct cifs_tcon *tcon,
338 char *fileName, __u16 dos_attributes,
339 const struct nls_table *nls_codepage);
340#endif /* possibly unneeded function */
341extern int CIFSSMBSetEOF(const unsigned int xid, struct cifs_tcon *tcon,
342 const char *file_name, __u64 size,
343 struct cifs_sb_info *cifs_sb, bool set_allocation);
344extern int CIFSSMBSetFileSize(const unsigned int xid, struct cifs_tcon *tcon,
345 struct cifsFileInfo *cfile, __u64 size,
346 bool set_allocation);
347
348struct cifs_unix_set_info_args {
349 __u64 ctime;
350 __u64 atime;
351 __u64 mtime;
352 __u64 mode;
353 kuid_t uid;
354 kgid_t gid;
355 dev_t device;
356};
357
358extern int CIFSSMBUnixSetFileInfo(const unsigned int xid,
359 struct cifs_tcon *tcon,
360 const struct cifs_unix_set_info_args *args,
361 u16 fid, u32 pid_of_opener);
362
363extern int CIFSSMBUnixSetPathInfo(const unsigned int xid,
364 struct cifs_tcon *tcon, const char *file_name,
365 const struct cifs_unix_set_info_args *args,
366 const struct nls_table *nls_codepage,
367 int remap);
368
369extern int CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon,
370 const char *name, struct cifs_sb_info *cifs_sb);
371extern int CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon,
372 const char *name, struct cifs_sb_info *cifs_sb);
373extern int CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon,
374 const char *name, __u16 type,
375 const struct nls_table *nls_codepage,
376 int remap_special_chars);
377extern int CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon,
378 const char *name, struct cifs_sb_info *cifs_sb);
379extern int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon,
380 const char *from_name, const char *to_name,
381 struct cifs_sb_info *cifs_sb);
382extern int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *tcon,
383 int netfid, const char *target_name,
384 const struct nls_table *nls_codepage,
385 int remap_special_chars);
386extern int CIFSCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon,
387 const char *from_name, const char *to_name,
388 struct cifs_sb_info *cifs_sb);
389extern int CIFSUnixCreateHardLink(const unsigned int xid,
390 struct cifs_tcon *tcon,
391 const char *fromName, const char *toName,
392 const struct nls_table *nls_codepage,
393 int remap_special_chars);
394extern int CIFSUnixCreateSymLink(const unsigned int xid,
395 struct cifs_tcon *tcon,
396 const char *fromName, const char *toName,
397 const struct nls_table *nls_codepage, int remap);
398extern int CIFSSMBUnixQuerySymLink(const unsigned int xid,
399 struct cifs_tcon *tcon,
400 const unsigned char *searchName, char **syminfo,
401 const struct nls_table *nls_codepage, int remap);
402extern int CIFSSMBQuerySymLink(const unsigned int xid, struct cifs_tcon *tcon,
403 __u16 fid, char **symlinkinfo,
404 const struct nls_table *nls_codepage);
405extern int CIFSSMB_set_compression(const unsigned int xid,
406 struct cifs_tcon *tcon, __u16 fid);
407extern int CIFS_open(const unsigned int xid, struct cifs_open_parms *oparms,
408 int *oplock, FILE_ALL_INFO *buf);
409extern int SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon,
410 const char *fileName, const int disposition,
411 const int access_flags, const int omode,
412 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
413 const struct nls_table *nls_codepage, int remap);
414extern int CIFSPOSIXCreate(const unsigned int xid, struct cifs_tcon *tcon,
415 u32 posix_flags, __u64 mode, __u16 *netfid,
416 FILE_UNIX_BASIC_INFO *pRetData,
417 __u32 *pOplock, const char *name,
418 const struct nls_table *nls_codepage, int remap);
419extern int CIFSSMBClose(const unsigned int xid, struct cifs_tcon *tcon,
420 const int smb_file_id);
421
422extern int CIFSSMBFlush(const unsigned int xid, struct cifs_tcon *tcon,
423 const int smb_file_id);
424
425extern int CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms,
426 unsigned int *nbytes, char **buf,
427 int *return_buf_type);
428extern int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms,
429 unsigned int *nbytes, const char *buf);
430extern int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms,
431 unsigned int *nbytes, struct kvec *iov, const int nvec);
432extern int CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon,
433 const char *search_name, __u64 *inode_number,
434 const struct nls_table *nls_codepage,
435 int remap);
436
437extern int cifs_lockv(const unsigned int xid, struct cifs_tcon *tcon,
438 const __u16 netfid, const __u8 lock_type,
439 const __u32 num_unlock, const __u32 num_lock,
440 LOCKING_ANDX_RANGE *buf);
441extern int CIFSSMBLock(const unsigned int xid, struct cifs_tcon *tcon,
442 const __u16 netfid, const __u32 netpid, const __u64 len,
443 const __u64 offset, const __u32 numUnlock,
444 const __u32 numLock, const __u8 lockType,
445 const bool waitFlag, const __u8 oplock_level);
446extern int CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon,
447 const __u16 smb_file_id, const __u32 netpid,
448 const loff_t start_offset, const __u64 len,
449 struct file_lock *, const __u16 lock_type,
450 const bool waitFlag);
451extern int CIFSSMBTDis(const unsigned int xid, struct cifs_tcon *tcon);
452extern int CIFSSMBEcho(struct TCP_Server_Info *server);
453extern int CIFSSMBLogoff(const unsigned int xid, struct cifs_ses *ses);
454
455extern struct cifs_ses *sesInfoAlloc(void);
456extern void sesInfoFree(struct cifs_ses *);
457extern struct cifs_tcon *tconInfoAlloc(void);
458extern void tconInfoFree(struct cifs_tcon *);
459
460extern int cifs_sign_rqst(struct smb_rqst *rqst, struct TCP_Server_Info *server,
461 __u32 *pexpected_response_sequence_number);
462extern int cifs_sign_smbv(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
463 __u32 *);
464extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
465extern int cifs_verify_signature(struct smb_rqst *rqst,
466 struct TCP_Server_Info *server,
467 __u32 expected_sequence_number);
468extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *,
469 const struct nls_table *);
470extern int setup_ntlm_response(struct cifs_ses *, const struct nls_table *);
471extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *);
472extern void cifs_crypto_secmech_release(struct TCP_Server_Info *server);
473extern int calc_seckey(struct cifs_ses *);
474extern int generate_smb30signingkey(struct cifs_ses *);
475extern int generate_smb311signingkey(struct cifs_ses *);
476
477#ifdef CONFIG_CIFS_WEAK_PW_HASH
478extern int calc_lanman_hash(const char *password, const char *cryptkey,
479 bool encrypt, char *lnm_session_key);
480#endif /* CIFS_WEAK_PW_HASH */
481#ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */
482extern int CIFSSMBNotify(const unsigned int xid, struct cifs_tcon *tcon,
483 const int notify_subdirs, const __u16 netfid,
484 __u32 filter, struct file *file, int multishot,
485 const struct nls_table *nls_codepage);
486#endif /* was needed for dnotify, and will be needed for inotify when VFS fix */
487extern int CIFSSMBCopy(unsigned int xid,
488 struct cifs_tcon *source_tcon,
489 const char *fromName,
490 const __u16 target_tid,
491 const char *toName, const int flags,
492 const struct nls_table *nls_codepage,
493 int remap_special_chars);
494extern ssize_t CIFSSMBQAllEAs(const unsigned int xid, struct cifs_tcon *tcon,
495 const unsigned char *searchName,
496 const unsigned char *ea_name, char *EAData,
497 size_t bufsize, struct cifs_sb_info *cifs_sb);
498extern int CIFSSMBSetEA(const unsigned int xid, struct cifs_tcon *tcon,
499 const char *fileName, const char *ea_name,
500 const void *ea_value, const __u16 ea_value_len,
501 const struct nls_table *nls_codepage,
502 struct cifs_sb_info *cifs_sb);
503extern int CIFSSMBGetCIFSACL(const unsigned int xid, struct cifs_tcon *tcon,
504 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
505extern int CIFSSMBSetCIFSACL(const unsigned int, struct cifs_tcon *, __u16,
506 struct cifs_ntsd *, __u32, int);
507extern int CIFSSMBGetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
508 const unsigned char *searchName,
509 char *acl_inf, const int buflen, const int acl_type,
510 const struct nls_table *nls_codepage, int remap_special_chars);
511extern int CIFSSMBSetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
512 const unsigned char *fileName,
513 const char *local_acl, const int buflen, const int acl_type,
514 const struct nls_table *nls_codepage, int remap_special_chars);
515extern int CIFSGetExtAttr(const unsigned int xid, struct cifs_tcon *tcon,
516 const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
517extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
518extern bool couldbe_mf_symlink(const struct cifs_fattr *fattr);
519extern int check_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
520 struct cifs_sb_info *cifs_sb,
521 struct cifs_fattr *fattr,
522 const unsigned char *path);
523extern int mdfour(unsigned char *, unsigned char *, int);
524extern int E_md4hash(const unsigned char *passwd, unsigned char *p16,
525 const struct nls_table *codepage);
526extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8,
527 unsigned char *p24);
528
529void cifs_readdata_release(struct kref *refcount);
530int cifs_async_readv(struct cifs_readdata *rdata);
531int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid);
532
533int cifs_async_writev(struct cifs_writedata *wdata,
534 void (*release)(struct kref *kref));
535void cifs_writev_complete(struct work_struct *work);
536struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages,
537 work_func_t complete);
538struct cifs_writedata *cifs_writedata_direct_alloc(struct page **pages,
539 work_func_t complete);
540void cifs_writedata_release(struct kref *refcount);
541int cifs_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
542 struct cifs_sb_info *cifs_sb,
543 const unsigned char *path, char *pbuf,
544 unsigned int *pbytes_read);
545int cifs_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
546 struct cifs_sb_info *cifs_sb,
547 const unsigned char *path, char *pbuf,
548 unsigned int *pbytes_written);
549int __cifs_calc_signature(struct smb_rqst *rqst,
550 struct TCP_Server_Info *server, char *signature,
551 struct shash_desc *shash);
552enum securityEnum cifs_select_sectype(struct TCP_Server_Info *,
553 enum securityEnum);
554struct cifs_aio_ctx *cifs_aio_ctx_alloc(void);
555void cifs_aio_ctx_release(struct kref *refcount);
556int setup_aio_ctx_iter(struct cifs_aio_ctx *ctx, struct iov_iter *iter, int rw);
557void smb2_cached_lease_break(struct work_struct *work);
558
559int cifs_alloc_hash(const char *name, struct crypto_shash **shash,
560 struct sdesc **sdesc);
561void cifs_free_hash(struct crypto_shash **shash, struct sdesc **sdesc);
562
563extern void rqst_page_get_length(struct smb_rqst *rqst, unsigned int page,
564 unsigned int *len, unsigned int *offset);
565
566#endif /* _CIFSPROTO_H */