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CIFS: Fix possible freed pointer dereference in CIFS_SessSetup
[mirror_ubuntu-artful-kernel.git] / fs / cifs / cifsproto.h
CommitLineData
1da177e4
LT		 1/*
2 * fs/cifs/cifsproto.h
3 *
366781c1 4 * Copyright (c) International Business Machines Corp., 2002,2008
1da177e4
LT		 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
d38d8c74 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
1da177e4
LT		 20 */
21#ifndef _CIFSPROTO_H
22#define _CIFSPROTO_H
23#include <linux/nls.h>
24
25struct statfs;
8af18971 26struct smb_vol;
bf5ea0e2 27struct smb_rqst;
1da177e4
LT		 28
29/*
30 *****************************************************************
31 * All Prototypes
32 *****************************************************************
33 */
34
35extern struct smb_hdr *cifs_buf_get(void);
36extern void cifs_buf_release(void *);
37extern struct smb_hdr *cifs_small_buf_get(void);
38extern void cifs_small_buf_release(void *);
fb308a6f
JL		 39extern void cifs_rqst_page_to_kvec(struct smb_rqst *rqst, unsigned int idx,
40 struct kvec *iov);
0496e02d
JL		 41extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *,
42 unsigned int /* length */);
6d5786a3
PS		 43extern unsigned int _get_xid(void);
44extern void _free_xid(unsigned int);
45#define get_xid() \
b6b38f70 46({ \
6d5786a3
PS		 47 unsigned int __xid = _get_xid(); \
48 cFYI(1, "CIFS VFS: in %s as Xid: %u with uid: %d", \
b6b38f70
JP		 49 __func__, __xid, current_fsuid()); \
50 __xid; \
51})
52
6d5786a3 53#define free_xid(curr_xid) \
b6b38f70 54do { \
6d5786a3
PS		 55 _free_xid(curr_xid); \
56 cFYI(1, "CIFS VFS: leaving %s (xid = %u) rc = %d", \
b6b38f70
JP		 57 __func__, curr_xid, (int)rc); \
58} while (0)
4d79dba0
SP		 59extern int init_cifs_idmap(void);
60extern void exit_cifs_idmap(void);
61extern void cifs_destroy_idmaptrees(void);
7f57356b 62extern char *build_path_from_dentry(struct dentry *);
1da177e4 63extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
c6c00919
SF		 64extern char *cifs_compose_mount_options(const char *sb_mountdata,
65 const char *fullpath, const struct dfs_info3_param *ref,
66 char **devname);
99ee4dbd 67/* extern void renew_parental_timestamps(struct dentry *direntry);*/
a6827c18
JL		 68extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer,
69 struct TCP_Server_Info *server);
766fdbb5 70extern void DeleteMidQEntry(struct mid_q_entry *midEntry);
3c1bf7e4 71extern void cifs_delete_mid(struct mid_q_entry *mid);
2dc7e1c0 72extern void cifs_wake_up_task(struct mid_q_entry *mid);
fec344e3
JL		 73extern int cifs_call_async(struct TCP_Server_Info *server,
74 struct smb_rqst *rqst,
75 mid_receive_t *receive, mid_callback_t *callback,
76 void *cbdata, const int flags);
96daf2b0 77extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *,
1da177e4
LT		 78 struct smb_hdr * /* input */ ,
79 struct smb_hdr * /* out */ ,
a891f0f8 80 int * /* bytes returned */ , const int);
96daf2b0 81extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses,
792af7b0 82 char *in_buf, int flags);
fec344e3
JL		 83extern struct mid_q_entry *cifs_setup_request(struct cifs_ses *,
84 struct smb_rqst *);
85extern struct mid_q_entry *cifs_setup_async_request(struct TCP_Server_Info *,
86 struct smb_rqst *);
2c8f981d
JL		 87extern int cifs_check_receive(struct mid_q_entry *mid,
88 struct TCP_Server_Info *server, bool log_error);
96daf2b0 89extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *,
d38d8c74 90 struct kvec *, int /* nvec to send */,
133672ef 91 int * /* type of buf returned */ , const int flags);
ad7a2926 92extern int SendReceiveBlockingLock(const unsigned int xid,
96daf2b0 93 struct cifs_tcon *ptcon,
ad7a2926
SF		 94 struct smb_hdr *in_buf ,
95 struct smb_hdr *out_buf,
96 int *bytes_returned);
28ea5290 97extern int cifs_reconnect(struct TCP_Server_Info *server);
d4e4854f
PS		 98extern int checkSMB(char *buf, unsigned int length);
99extern bool is_valid_oplock_break(char *, struct TCP_Server_Info *);
3d3ea8e6 100extern bool backup_cred(struct cifs_sb_info *);
4b18f2a9 101extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
72432ffc
PS		 102extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset,
103 unsigned int bytes_written);
6508d904 104extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, bool);
6508d904 105extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
92fc65a7 106extern unsigned int smbCalcSize(void *buf);
1da177e4 107extern int decode_negTokenInit(unsigned char *security_blob, int length,
26efa0ba 108 struct TCP_Server_Info *server);
67b7626a 109extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len);
32670396 110extern int cifs_set_port(struct sockaddr *addr, const unsigned short int port);
67b7626a 111extern int cifs_fill_sockaddr(struct sockaddr *dst, const char *src, int len,
32670396 112 const unsigned short int port);
5ffef7bf 113extern int map_smb_to_linux_error(char *buf, bool logErr);
1da177e4 114extern void header_assemble(struct smb_hdr *, char /* command */ ,
96daf2b0 115 const struct cifs_tcon *, int /* length of
1982c344 116 fixed section (word count) in two byte units */);
5815449d 117extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
96daf2b0 118 struct cifs_ses *ses,
50c2f753 119 void **request_buf);
58c45c58
PS		 120extern int CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses,
121 const struct nls_table *nls_cp);
07119a4d 122extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
1da177e4 123extern u64 cifs_UnixTimeToNT(struct timespec);
c4a2c08d
JL		 124extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
125 int offset);
c6723628 126extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
d39a4f71
PS		 127extern int cifs_unlock_range(struct cifsFileInfo *cfile,
128 struct file_lock *flock, const unsigned int xid);
129extern int cifs_push_mandatory_locks(struct cifsFileInfo *cfile);
1bd5bbcb 130
fb1214e4
PS		 131extern struct cifsFileInfo *cifs_new_fileinfo(struct cifs_fid *fid,
132 struct file *file,
133 struct tcon_link *tlink,
134 __u32 oplock);
6d5786a3
PS		 135extern int cifs_posix_open(char *full_path, struct inode **inode,
136 struct super_block *sb, int mode,
137 unsigned int f_flags, __u32 *oplock, __u16 *netfid,
138 unsigned int xid);
4065c802 139void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr);
cc0bad75
JL		 140extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
141 FILE_UNIX_BASIC_INFO *info,
142 struct cifs_sb_info *cifs_sb);
143extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
cc0bad75
JL		 144extern struct inode *cifs_iget(struct super_block *sb,
145 struct cifs_fattr *fattr);
146
1208ef1f
PS		 147extern int cifs_get_inode_info(struct inode **inode, const char *full_path,
148 FILE_ALL_INFO *data, struct super_block *sb,
149 int xid, const __u16 *fid);
1da177e4
LT		 150extern int cifs_get_inode_info_unix(struct inode **pinode,
151 const unsigned char *search_path,
6d5786a3 152 struct super_block *sb, unsigned int xid);
ed6875e0
PS		 153extern int cifs_set_file_info(struct inode *inode, struct iattr *attrs,
154 unsigned int xid, char *full_path, __u32 dosattr);
155extern int cifs_rename_pending_delete(const char *full_path,
156 struct dentry *dentry,
157 const unsigned int xid);
987b21d7 158extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
0b8f18e3
JL		 159 struct cifs_fattr *fattr, struct inode *inode,
160 const char *path, const __u16 *pfid);
a5ff3769
SP		 161extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64,
162 uid_t, gid_t);
fbeba8bb
SP		 163extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *,
164 const char *, u32 *);
b73b9a4b 165extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *,
a5ff3769 166 const char *, int);
953f8681 167
e28bc5b1
JL		 168extern void dequeue_mid(struct mid_q_entry *mid, bool malformed);
169extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf,
170 unsigned int to_read);
171extern int cifs_readv_from_socket(struct TCP_Server_Info *server,
172 struct kvec *iov_orig, unsigned int nr_segs,
173 unsigned int to_read);
724d9f1c
PS		 174extern void cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
175 struct cifs_sb_info *cifs_sb);
176extern int cifs_match_super(struct super_block *, void *);
f9e59bcb 177extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info);
04db79b0
JL		 178extern struct smb_vol *cifs_get_volume_info(char *mount_data,
179 const char *devname);
2c6292ae 180extern int cifs_mount(struct cifs_sb_info *, struct smb_vol *);
2a9b9951 181extern void cifs_umount(struct cifs_sb_info *);
aa24d1e9 182extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon);
579f9053
PS		 183extern bool cifs_find_lock_conflict(struct cifsFileInfo *cfile, __u64 offset,
184 __u64 length, __u8 type,
185 struct cifsLockInfo **conf_lock,
186 bool rw_check);
233839b1
PS		 187extern void cifs_add_pending_open(struct cifs_fid *fid,
188 struct tcon_link *tlink,
189 struct cifs_pending_open *open);
190extern void cifs_add_pending_open_locked(struct cifs_fid *fid,
191 struct tcon_link *tlink,
192 struct cifs_pending_open *open);
193extern void cifs_del_pending_open(struct cifs_pending_open *open);
815465c4
JL		 194
195#if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL)
78d31a3a 196extern void cifs_dfs_release_automount_timer(void);
815465c4
JL		 197#else /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
198#define cifs_dfs_release_automount_timer() do { } while (0)
199#endif /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
200
1da177e4
LT		 201void cifs_proc_init(void);
202void cifs_proc_clean(void);
203
f7ba7fe6
PS		 204extern void cifs_move_llist(struct list_head *source, struct list_head *dest);
205extern void cifs_free_llist(struct list_head *llist);
206extern void cifs_del_lock_waiters(struct cifsLockInfo *lock);
207
286170aa
PS		 208extern int cifs_negotiate_protocol(const unsigned int xid,
209 struct cifs_ses *ses);
58c45c58
PS		 210extern int cifs_setup_session(const unsigned int xid, struct cifs_ses *ses,
211 struct nls_table *nls_info);
286170aa 212extern int CIFSSMBNegotiate(const unsigned int xid, struct cifs_ses *ses);
1da177e4 213
2e6e02ab
PS		 214extern int CIFSTCon(const unsigned int xid, struct cifs_ses *ses,
215 const char *tree, struct cifs_tcon *tcon,
216 const struct nls_table *);
1da177e4 217
6d5786a3 218extern int CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon,
ec637e3f 219 const char *searchName, const struct nls_table *nls_codepage,
2608bee7
SP		 220 __u16 *searchHandle, __u16 search_flags,
221 struct cifs_search_info *psrch_inf,
ec637e3f 222 int map, const char dirsep);
1da177e4 223
6d5786a3 224extern int CIFSFindNext(const unsigned int xid, struct cifs_tcon *tcon,
2608bee7
SP		 225 __u16 searchHandle, __u16 search_flags,
226 struct cifs_search_info *psrch_inf);
1da177e4 227
6d5786a3 228extern int CIFSFindClose(const unsigned int xid, struct cifs_tcon *tcon,
1da177e4
LT		 229 const __u16 search_handle);
230
6d5786a3 231extern int CIFSSMBQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
bcd5357f 232 u16 netfid, FILE_ALL_INFO *pFindData);
6d5786a3 233extern int CIFSSMBQPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
68889f26
PS		 234 const char *search_Name, FILE_ALL_INFO *data,
235 int legacy /* whether to use old info level */,
236 const struct nls_table *nls_codepage, int remap);
6d5786a3 237extern int SMBQueryInformation(const unsigned int xid, struct cifs_tcon *tcon,
68889f26
PS		 238 const char *search_name, FILE_ALL_INFO *data,
239 const struct nls_table *nls_codepage, int remap);
1da177e4 240
6d5786a3 241extern int CIFSSMBUnixQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
c8634fd3 242 u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
6d5786a3 243extern int CIFSSMBUnixQPathInfo(const unsigned int xid,
96daf2b0 244 struct cifs_tcon *tcon,
1da177e4 245 const unsigned char *searchName,
582d21e5 246 FILE_UNIX_BASIC_INFO *pFindData,
737b758c 247 const struct nls_table *nls_codepage, int remap);
1da177e4 248
6d5786a3 249extern int CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses,
b669f33c
PS		 250 const char *search_name,
251 struct dfs_info3_param **target_nodes,
252 unsigned int *num_of_nodes,
253 const struct nls_table *nls_codepage, int remap);
1da177e4 254
b669f33c 255extern int get_dfs_path(const unsigned int xid, struct cifs_ses *ses,
d38d8c74 256 const char *old_path,
737b758c 257 const struct nls_table *nls_codepage,
b669f33c
PS		 258 unsigned int *num_referrals,
259 struct dfs_info3_param **referrals, int remap);
6d5786a3 260extern void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon,
2c6292ae
AV		 261 struct cifs_sb_info *cifs_sb,
262 struct smb_vol *vol);
6d5786a3 263extern int CIFSSMBQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
737b758c 264 struct kstatfs *FSData);
6d5786a3 265extern int SMBOldQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
20962438 266 struct kstatfs *FSData);
6d5786a3 267extern int CIFSSMBSetFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon,
ac67055e
JA		 268 __u64 cap);
269
6d5786a3 270extern int CIFSSMBQFSAttributeInfo(const unsigned int xid,
96daf2b0 271 struct cifs_tcon *tcon);
6d5786a3
PS		 272extern int CIFSSMBQFSDeviceInfo(const unsigned int xid, struct cifs_tcon *tcon);
273extern int CIFSSMBQFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon);
274extern int CIFSSMBQFSPosixInfo(const unsigned int xid, struct cifs_tcon *tcon,
737b758c 275 struct kstatfs *FSData);
1da177e4 276
6d5786a3 277extern int CIFSSMBSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
ad7a2926 278 const char *fileName, const FILE_BASIC_INFO *data,
737b758c
SF		 279 const struct nls_table *nls_codepage,
280 int remap_special_chars);
6d5786a3 281extern int CIFSSMBSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
2dd2dfa0
JL		 282 const FILE_BASIC_INFO *data, __u16 fid,
283 __u32 pid_of_opener);
6d5786a3
PS		 284extern int CIFSSMBSetFileDisposition(const unsigned int xid,
285 struct cifs_tcon *tcon,
286 bool delete_file, __u16 fid,
287 __u32 pid_of_opener);
1da177e4 288#if 0
6d5786a3 289extern int CIFSSMBSetAttrLegacy(unsigned int xid, struct cifs_tcon *tcon,
1da177e4
LT		 290 char *fileName, __u16 dos_attributes,
291 const struct nls_table *nls_codepage);
292#endif /* possibly unneeded function */
6d5786a3 293extern int CIFSSMBSetEOF(const unsigned int xid, struct cifs_tcon *tcon,
d1433418
PS		 294 const char *file_name, __u64 size,
295 struct cifs_sb_info *cifs_sb, bool set_allocation);
6d5786a3 296extern int CIFSSMBSetFileSize(const unsigned int xid, struct cifs_tcon *tcon,
d1433418
PS		 297 struct cifsFileInfo *cfile, __u64 size,
298 bool set_allocation);
4e1e7fb9
JL		 299
300struct cifs_unix_set_info_args {
301 __u64 ctime;
302 __u64 atime;
303 __u64 mtime;
304 __u64 mode;
305 __u64 uid;
306 __u64 gid;
307 dev_t device;
308};
309
6d5786a3
PS		 310extern int CIFSSMBUnixSetFileInfo(const unsigned int xid,
311 struct cifs_tcon *tcon,
3bbeeb3c
JL		 312 const struct cifs_unix_set_info_args *args,
313 u16 fid, u32 pid_of_opener);
314
6d5786a3 315extern int CIFSSMBUnixSetPathInfo(const unsigned int xid,
ff691e96 316 struct cifs_tcon *tcon, const char *file_name,
6d5786a3
PS		 317 const struct cifs_unix_set_info_args *args,
318 const struct nls_table *nls_codepage,
ff691e96 319 int remap);
1da177e4 320
6d5786a3 321extern int CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon,
f436720e 322 const char *name, struct cifs_sb_info *cifs_sb);
6d5786a3 323extern int CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon,
f958ca5d 324 const char *name, struct cifs_sb_info *cifs_sb);
6d5786a3 325extern int CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon,
2d785a50
SF		 326 const char *name, __u16 type,
327 const struct nls_table *nls_codepage,
328 int remap_special_chars);
6d5786a3 329extern int CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon,
ed6875e0 330 const char *name, struct cifs_sb_info *cifs_sb);
6d5786a3 331extern int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon,
8ceb9843
PS		 332 const char *from_name, const char *to_name,
333 struct cifs_sb_info *cifs_sb);
6d5786a3
PS		 334extern int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *tcon,
335 int netfid, const char *target_name,
336 const struct nls_table *nls_codepage,
337 int remap_special_chars);
d6e906f1
SF		 338extern int CIFSCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon,
339 const char *from_name, const char *to_name,
340 struct cifs_sb_info *cifs_sb);
6d5786a3 341extern int CIFSUnixCreateHardLink(const unsigned int xid,
96daf2b0 342 struct cifs_tcon *tcon,
1da177e4 343 const char *fromName, const char *toName,
d38d8c74 344 const struct nls_table *nls_codepage,
737b758c 345 int remap_special_chars);
6d5786a3 346extern int CIFSUnixCreateSymLink(const unsigned int xid,
96daf2b0 347 struct cifs_tcon *tcon,
1da177e4
LT		 348 const char *fromName, const char *toName,
349 const struct nls_table *nls_codepage);
6d5786a3 350extern int CIFSSMBUnixQuerySymLink(const unsigned int xid,
96daf2b0 351 struct cifs_tcon *tcon,
460b9696 352 const unsigned char *searchName, char **syminfo,
1da177e4 353 const struct nls_table *nls_codepage);
c52a9554 354#ifdef CONFIG_CIFS_SYMLINK_EXPERIMENTAL
6d5786a3 355extern int CIFSSMBQueryReparseLinkInfo(const unsigned int xid,
96daf2b0 356 struct cifs_tcon *tcon,
1da177e4
LT		 357 const unsigned char *searchName,
358 char *symlinkinfo, const int buflen, __u16 fid,
359 const struct nls_table *nls_codepage);
c52a9554 360#endif /* temporarily unused until cifs_symlink fixed */
6d5786a3 361extern int CIFSSMBOpen(const unsigned int xid, struct cifs_tcon *tcon,
1da177e4
LT		 362 const char *fileName, const int disposition,
363 const int access_flags, const int omode,
8840dee9 364 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
737b758c 365 const struct nls_table *nls_codepage, int remap);
6d5786a3 366extern int SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon,
a9d02ad4
SF		 367 const char *fileName, const int disposition,
368 const int access_flags, const int omode,
8840dee9 369 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
a9d02ad4 370 const struct nls_table *nls_codepage, int remap);
6d5786a3 371extern int CIFSPOSIXCreate(const unsigned int xid, struct cifs_tcon *tcon,
8840dee9 372 u32 posix_flags, __u64 mode, __u16 *netfid,
2dd29d31
SF		 373 FILE_UNIX_BASIC_INFO *pRetData,
374 __u32 *pOplock, const char *name,
d38d8c74 375 const struct nls_table *nls_codepage, int remap);
6d5786a3 376extern int CIFSSMBClose(const unsigned int xid, struct cifs_tcon *tcon,
1da177e4
LT		 377 const int smb_file_id);
378
6d5786a3 379extern int CIFSSMBFlush(const unsigned int xid, struct cifs_tcon *tcon,
b298f223
SF		 380 const int smb_file_id);
381
6d5786a3 382extern int CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms,
d4ffff1f 383 unsigned int *nbytes, char **buf,
d38d8c74 384 int *return_buf_type);
6d5786a3 385extern int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms,
fa2989f4
PS		 386 unsigned int *nbytes, const char *buf,
387 const char __user *ubuf, const int long_op);
6d5786a3 388extern int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms,
ba9ad725 389 unsigned int *nbytes, struct kvec *iov, const int nvec);
6d5786a3 390extern int CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon,
1208ef1f
PS		 391 const char *search_name, __u64 *inode_number,
392 const struct nls_table *nls_codepage,
393 int remap);
1da177e4 394
6d5786a3
PS		 395extern int cifs_lockv(const unsigned int xid, struct cifs_tcon *tcon,
396 const __u16 netfid, const __u8 lock_type,
397 const __u32 num_unlock, const __u32 num_lock,
398 LOCKING_ANDX_RANGE *buf);
399extern int CIFSSMBLock(const unsigned int xid, struct cifs_tcon *tcon,
03776f45 400 const __u16 netfid, const __u32 netpid, const __u64 len,
1da177e4
LT		 401 const __u64 offset, const __u32 numUnlock,
402 const __u32 numLock, const __u8 lockType,
12fed00d 403 const bool waitFlag, const __u8 oplock_level);
6d5786a3 404extern int CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon,
4f6bcec9 405 const __u16 smb_file_id, const __u32 netpid,
c5fd363d
JL		 406 const loff_t start_offset, const __u64 len,
407 struct file_lock *, const __u16 lock_type,
408 const bool waitFlag);
2e6e02ab 409extern int CIFSSMBTDis(const unsigned int xid, struct cifs_tcon *tcon);
766fdbb5 410extern int CIFSSMBEcho(struct TCP_Server_Info *server);
58c45c58 411extern int CIFSSMBLogoff(const unsigned int xid, struct cifs_ses *ses);
1da177e4 412
96daf2b0
SF		 413extern struct cifs_ses *sesInfoAlloc(void);
414extern void sesInfoFree(struct cifs_ses *);
415extern struct cifs_tcon *tconInfoAlloc(void);
416extern void tconInfoFree(struct cifs_tcon *);
1da177e4 417
bf5ea0e2
JL		 418extern int cifs_sign_rqst(struct smb_rqst *rqst, struct TCP_Server_Info *server,
419 __u32 *pexpected_response_sequence_number);
762a4206 420extern int cifs_sign_smbv(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
84afc29b 421 __u32 *);
bf5ea0e2
JL		 422extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
423extern int cifs_verify_signature(struct smb_rqst *rqst,
21e73393 424 struct TCP_Server_Info *server,
b609f06a 425 __u32 expected_sequence_number);
9ef5992e
SP		 426extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *,
427 const struct nls_table *);
428extern int setup_ntlm_response(struct cifs_ses *, const struct nls_table *);
96daf2b0 429extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *);
d2b91521
SP		 430extern int cifs_crypto_shash_allocate(struct TCP_Server_Info *);
431extern void cifs_crypto_shash_release(struct TCP_Server_Info *);
96daf2b0 432extern int calc_seckey(struct cifs_ses *);
d2b91521 433
7c7b25bc 434#ifdef CONFIG_CIFS_WEAK_PW_HASH
43988d76 435extern int calc_lanman_hash(const char *password, const char *cryptkey,
4e53a3fb 436 bool encrypt, char *lnm_session_key);
7c7b25bc 437#endif /* CIFS_WEAK_PW_HASH */
0eff0e26 438#ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */
6d5786a3 439extern int CIFSSMBNotify(const unsigned int xid, struct cifs_tcon *tcon,
0eff0e26
SF		 440 const int notify_subdirs, const __u16 netfid,
441 __u32 filter, struct file *file, int multishot,
442 const struct nls_table *nls_codepage);
443#endif /* was needed for dnotify, and will be needed for inotify when VFS fix */
6d5786a3 444extern int CIFSSMBCopy(unsigned int xid,
96daf2b0 445 struct cifs_tcon *source_tcon,
1da177e4
LT		 446 const char *fromName,
447 const __u16 target_tid,
448 const char *toName, const int flags,
50c2f753 449 const struct nls_table *nls_codepage,
737b758c 450 int remap_special_chars);
6d5786a3 451extern ssize_t CIFSSMBQAllEAs(const unsigned int xid, struct cifs_tcon *tcon,
31c0519f
JL		 452 const unsigned char *searchName,
453 const unsigned char *ea_name, char *EAData,
737b758c
SF		 454 size_t bufsize, const struct nls_table *nls_codepage,
455 int remap_special_chars);
6d5786a3 456extern int CIFSSMBSetEA(const unsigned int xid, struct cifs_tcon *tcon,
d38d8c74
SF		 457 const char *fileName, const char *ea_name,
458 const void *ea_value, const __u16 ea_value_len,
737b758c 459 const struct nls_table *nls_codepage, int remap_special_chars);
6d5786a3 460extern int CIFSSMBGetCIFSACL(const unsigned int xid, struct cifs_tcon *tcon,
630f3f0c 461 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
6d5786a3 462extern int CIFSSMBSetCIFSACL(const unsigned int, struct cifs_tcon *, __u16,
a5ff3769 463 struct cifs_ntsd *, __u32, int);
6d5786a3 464extern int CIFSSMBGetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
1da177e4 465 const unsigned char *searchName,
d38d8c74 466 char *acl_inf, const int buflen, const int acl_type,
737b758c 467 const struct nls_table *nls_codepage, int remap_special_chars);
6d5786a3 468extern int CIFSSMBSetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
1da177e4
LT		 469 const unsigned char *fileName,
470 const char *local_acl, const int buflen, const int acl_type,
737b758c 471 const struct nls_table *nls_codepage, int remap_special_chars);
6d5786a3 472extern int CIFSGetExtAttr(const unsigned int xid, struct cifs_tcon *tcon,
8840dee9 473 const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
ec06aedd 474extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
8bfb50a8
SM		 475extern bool CIFSCouldBeMFSymlink(const struct cifs_fattr *fattr);
476extern int CIFSCheckMFSymlink(struct cifs_fattr *fattr,
477 const unsigned char *path,
6d5786a3 478 struct cifs_sb_info *cifs_sb, unsigned int xid);
ee2c9258 479extern int mdfour(unsigned char *, unsigned char *, int);
9ef5992e
SP		 480extern int E_md4hash(const unsigned char *passwd, unsigned char *p16,
481 const struct nls_table *codepage);
43988d76 482extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8,
ee2c9258 483 unsigned char *p24);
c28c89fc 484
6993f74a 485void cifs_readdata_release(struct kref *refcount);
e28bc5b1 486int cifs_async_readv(struct cifs_readdata *rdata);
09a4707e 487int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid);
e28bc5b1 488
c28c89fc 489int cifs_async_writev(struct cifs_writedata *wdata);
c2e87640
JL		 490void cifs_writev_complete(struct work_struct *work);
491struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages,
492 work_func_t complete);
c28c89fc
JL		 493void cifs_writedata_release(struct kref *refcount);
494
1da177e4 495#endif /* _CIFSPROTO_H */
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