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[CIFS] CIFSSMBPosixLock should return -EINVAL on error
[thirdparty/linux.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;
1da177e4
LT
27
28/*
29 *****************************************************************
30 * All Prototypes
31 *****************************************************************
32 */
33
34extern struct smb_hdr *cifs_buf_get(void);
35extern void cifs_buf_release(void *);
36extern struct smb_hdr *cifs_small_buf_get(void);
37extern void cifs_small_buf_release(void *);
38extern int smb_send(struct socket *, struct smb_hdr *,
39 unsigned int /* length */ , struct sockaddr *);
40extern unsigned int _GetXid(void);
41extern void _FreeXid(unsigned int);
55f78e17
HH
42#define GetXid() (int)_GetXid(); cFYI(1,("CIFS VFS: in %s as Xid: %d with uid: %d",__func__, xid,current->fsuid));
43#define FreeXid(curr_xid) {_FreeXid(curr_xid); cFYI(1,("CIFS VFS: leaving %s (xid = %d) rc = %d",__func__,curr_xid,(int)rc));}
7f57356b 44extern char *build_path_from_dentry(struct dentry *);
1da177e4 45extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
99ee4dbd 46/* extern void renew_parental_timestamps(struct dentry *direntry);*/
1da177e4
LT
47extern int SendReceive(const unsigned int /* xid */ , struct cifsSesInfo *,
48 struct smb_hdr * /* input */ ,
49 struct smb_hdr * /* out */ ,
50 int * /* bytes returned */ , const int long_op);
133672ef
SF
51extern int SendReceiveNoRsp(const unsigned int xid, struct cifsSesInfo *ses,
52 struct smb_hdr *in_buf, int flags);
d6e04ae6 53extern int SendReceive2(const unsigned int /* xid */ , struct cifsSesInfo *,
d38d8c74 54 struct kvec *, int /* nvec to send */,
133672ef 55 int * /* type of buf returned */ , const int flags);
ad7a2926
SF
56extern int SendReceiveBlockingLock(const unsigned int xid,
57 struct cifsTconInfo *ptcon,
58 struct smb_hdr *in_buf ,
59 struct smb_hdr *out_buf,
60 int *bytes_returned);
d103e164 61extern int checkSMB(struct smb_hdr *smb, __u16 mid, unsigned int length);
4b18f2a9
SF
62extern bool is_valid_oplock_break(struct smb_hdr *smb,
63 struct TCP_Server_Info *);
64extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
6148a742 65extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *);
630f3f0c
SF
66#ifdef CONFIG_CIFS_EXPERIMENTAL
67extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *);
68#endif
1da177e4 69extern unsigned int smbCalcSize(struct smb_hdr *ptr);
70ca734a 70extern unsigned int smbCalcSize_LE(struct smb_hdr *ptr);
1da177e4
LT
71extern int decode_negTokenInit(unsigned char *security_blob, int length,
72 enum securityEnum *secType);
7c5e628f 73extern int cifs_inet_pton(const int, const char *source, void *dst);
a761ac57 74extern int map_smb_to_linux_error(struct smb_hdr *smb, int logErr);
1da177e4 75extern void header_assemble(struct smb_hdr *, char /* command */ ,
1982c344
SF
76 const struct cifsTconInfo *, int /* length of
77 fixed section (word count) in two byte units */);
5815449d
SF
78extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
79 struct cifsSesInfo *ses,
50c2f753 80 void **request_buf);
5815449d 81extern int CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses,
d38d8c74 82 const int stage,
5815449d 83 const struct nls_table *nls_cp);
1982c344 84extern __u16 GetNextMid(struct TCP_Server_Info *server);
50c2f753 85extern struct oplock_q_entry *AllocOplockQEntry(struct inode *, u16,
737b758c 86 struct cifsTconInfo *);
1da177e4 87extern void DeleteOplockQEntry(struct oplock_q_entry *);
5d941ca6 88extern void DeleteTconOplockQEntries(struct cifsTconInfo *);
ad7a2926 89extern struct timespec cifs_NTtimeToUnix(u64 utc_nanoseconds_since_1601);
1da177e4 90extern u64 cifs_UnixTimeToNT(struct timespec);
1bd5bbcb
SF
91extern __le64 cnvrtDosCifsTm(__u16 date, __u16 time);
92extern struct timespec cnvrtDosUnixTm(__u16 date, __u16 time);
93
1da177e4 94extern int cifs_get_inode_info(struct inode **pinode,
d38d8c74 95 const unsigned char *search_path,
1da177e4 96 FILE_ALL_INFO * pfile_info,
8b1327f6 97 struct super_block *sb, int xid, const __u16 *pfid);
1da177e4
LT
98extern int cifs_get_inode_info_unix(struct inode **pinode,
99 const unsigned char *search_path,
d38d8c74 100 struct super_block *sb, int xid);
8b1327f6
SF
101extern void acl_to_uid_mode(struct inode *inode, const char *path,
102 const __u16 *pfid);
97837582 103extern int mode_to_acl(struct inode *inode, const char *path, __u64);
953f8681 104
1da177e4
LT
105extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *,
106 const char *);
107extern int cifs_umount(struct super_block *, struct cifs_sb_info *);
78d31a3a 108extern void cifs_dfs_release_automount_timer(void);
1da177e4
LT
109void cifs_proc_init(void);
110void cifs_proc_clean(void);
111
d38d8c74
SF
112extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
113 struct nls_table *nls_info);
1da177e4
LT
114extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses);
115
116extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
117 const char *tree, struct cifsTconInfo *tcon,
118 const struct nls_table *);
119
120extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon,
ec637e3f 121 const char *searchName, const struct nls_table *nls_codepage,
d38d8c74 122 __u16 *searchHandle, struct cifs_search_info *psrch_inf,
ec637e3f 123 int map, const char dirsep);
1da177e4
LT
124
125extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
d38d8c74 126 __u16 searchHandle, struct cifs_search_info *psrch_inf);
1da177e4
LT
127
128extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
129 const __u16 search_handle);
130
131extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
132 const unsigned char *searchName,
133 FILE_ALL_INFO * findData,
acf1a1b1 134 int legacy /* whether to use old info level */,
737b758c 135 const struct nls_table *nls_codepage, int remap);
6b8edfe0 136extern int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon,
d38d8c74
SF
137 const unsigned char *searchName,
138 FILE_ALL_INFO *findData,
139 const struct nls_table *nls_codepage, int remap);
1da177e4
LT
140
141extern int CIFSSMBUnixQPathInfo(const int xid,
142 struct cifsTconInfo *tcon,
143 const unsigned char *searchName,
144 FILE_UNIX_BASIC_INFO * pFindData,
737b758c 145 const struct nls_table *nls_codepage, int remap);
1da177e4
LT
146
147extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
148 const unsigned char *searchName,
149 unsigned char **targetUNCs,
150 unsigned int *number_of_UNC_in_array,
737b758c 151 const struct nls_table *nls_codepage, int remap);
1da177e4
LT
152
153extern int connect_to_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
154 const char *old_path,
737b758c 155 const struct nls_table *nls_codepage, int remap);
1da177e4 156extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
d38d8c74 157 const char *old_path,
737b758c 158 const struct nls_table *nls_codepage,
d38d8c74 159 unsigned int *pnum_referrals,
366781c1 160 struct dfs_info3_param **preferrals,
737b758c 161 int remap);
8af18971 162extern void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
d38d8c74 163 struct super_block *sb, struct smb_vol *vol);
1da177e4 164extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon,
737b758c 165 struct kstatfs *FSData);
20962438
SF
166extern int SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon,
167 struct kstatfs *FSData);
45abc6ee 168extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon,
ac67055e
JA
169 __u64 cap);
170
1da177e4 171extern int CIFSSMBQFSAttributeInfo(const int xid,
737b758c
SF
172 struct cifsTconInfo *tcon);
173extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon);
174extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon);
1da177e4 175extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon,
737b758c 176 struct kstatfs *FSData);
1da177e4
LT
177
178extern int CIFSSMBSetTimes(const int xid, struct cifsTconInfo *tcon,
ad7a2926 179 const char *fileName, const FILE_BASIC_INFO *data,
737b758c
SF
180 const struct nls_table *nls_codepage,
181 int remap_special_chars);
1da177e4 182extern int CIFSSMBSetFileTimes(const int xid, struct cifsTconInfo *tcon,
ad7a2926 183 const FILE_BASIC_INFO *data, __u16 fid);
1da177e4
LT
184#if 0
185extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon,
186 char *fileName, __u16 dos_attributes,
187 const struct nls_table *nls_codepage);
188#endif /* possibly unneeded function */
189extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon,
737b758c 190 const char *fileName, __u64 size,
4b18f2a9 191 bool setAllocationSizeFlag,
737b758c
SF
192 const struct nls_table *nls_codepage,
193 int remap_special_chars);
1da177e4 194extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon,
d38d8c74 195 __u64 size, __u16 fileHandle, __u32 opener_pid,
4b18f2a9 196 bool AllocSizeFlag);
1da177e4
LT
197extern int CIFSSMBUnixSetPerms(const int xid, struct cifsTconInfo *pTcon,
198 char *full_path, __u64 mode, __u64 uid,
d38d8c74 199 __u64 gid, dev_t dev,
737b758c
SF
200 const struct nls_table *nls_codepage,
201 int remap_special_chars);
1da177e4
LT
202
203extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon,
204 const char *newName,
737b758c
SF
205 const struct nls_table *nls_codepage,
206 int remap_special_chars);
1da177e4 207extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon,
737b758c
SF
208 const char *name, const struct nls_table *nls_codepage,
209 int remap_special_chars);
2d785a50
SF
210extern int CIFSPOSIXDelFile(const int xid, struct cifsTconInfo *tcon,
211 const char *name, __u16 type,
212 const struct nls_table *nls_codepage,
213 int remap_special_chars);
1da177e4
LT
214extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon,
215 const char *name,
737b758c
SF
216 const struct nls_table *nls_codepage,
217 int remap_special_chars);
1da177e4
LT
218extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon,
219 const char *fromName, const char *toName,
737b758c
SF
220 const struct nls_table *nls_codepage,
221 int remap_special_chars);
d38d8c74
SF
222extern int CIFSSMBRenameOpenFile(const int xid, struct cifsTconInfo *pTcon,
223 int netfid, char *target_name,
737b758c
SF
224 const struct nls_table *nls_codepage,
225 int remap_special_chars);
1da177e4
LT
226extern int CIFSCreateHardLink(const int xid,
227 struct cifsTconInfo *tcon,
228 const char *fromName, const char *toName,
737b758c
SF
229 const struct nls_table *nls_codepage,
230 int remap_special_chars);
1da177e4
LT
231extern int CIFSUnixCreateHardLink(const int xid,
232 struct cifsTconInfo *tcon,
233 const char *fromName, const char *toName,
d38d8c74 234 const struct nls_table *nls_codepage,
737b758c 235 int remap_special_chars);
1da177e4
LT
236extern int CIFSUnixCreateSymLink(const int xid,
237 struct cifsTconInfo *tcon,
238 const char *fromName, const char *toName,
239 const struct nls_table *nls_codepage);
240extern int CIFSSMBUnixQuerySymLink(const int xid,
241 struct cifsTconInfo *tcon,
242 const unsigned char *searchName,
243 char *syminfo, const int buflen,
244 const struct nls_table *nls_codepage);
d38d8c74 245extern int CIFSSMBQueryReparseLinkInfo(const int xid,
1da177e4
LT
246 struct cifsTconInfo *tcon,
247 const unsigned char *searchName,
248 char *symlinkinfo, const int buflen, __u16 fid,
249 const struct nls_table *nls_codepage);
250
251extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
252 const char *fileName, const int disposition,
253 const int access_flags, const int omode,
8840dee9 254 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
737b758c 255 const struct nls_table *nls_codepage, int remap);
a9d02ad4
SF
256extern int SMBLegacyOpen(const int xid, struct cifsTconInfo *tcon,
257 const char *fileName, const int disposition,
258 const int access_flags, const int omode,
8840dee9 259 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
a9d02ad4 260 const struct nls_table *nls_codepage, int remap);
d38d8c74 261extern int CIFSPOSIXCreate(const int xid, struct cifsTconInfo *tcon,
8840dee9 262 u32 posix_flags, __u64 mode, __u16 *netfid,
2dd29d31
SF
263 FILE_UNIX_BASIC_INFO *pRetData,
264 __u32 *pOplock, const char *name,
d38d8c74 265 const struct nls_table *nls_codepage, int remap);
1da177e4
LT
266extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon,
267 const int smb_file_id);
268
269extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
d38d8c74
SF
270 const int netfid, unsigned int count,
271 const __u64 lseek, unsigned int *nbytes, char **buf,
272 int *return_buf_type);
1da177e4
LT
273extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
274 const int netfid, const unsigned int count,
275 const __u64 lseek, unsigned int *nbytes,
d38d8c74 276 const char *buf, const char __user *ubuf,
1da177e4 277 const int long_op);
1da177e4
LT
278extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
279 const int netfid, const unsigned int count,
d38d8c74 280 const __u64 offset, unsigned int *nbytes,
3e84469d 281 struct kvec *iov, const int nvec, const int long_op);
1da177e4 282extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
8840dee9 283 const unsigned char *searchName, __u64 *inode_number,
d38d8c74 284 const struct nls_table *nls_codepage,
737b758c 285 int remap_special_chars);
b1a45695 286extern int cifs_convertUCSpath(char *target, const __le16 *source, int maxlen,
d38d8c74
SF
287 const struct nls_table *codepage);
288extern int cifsConvertToUCS(__le16 *target, const char *source, int maxlen,
289 const struct nls_table *cp, int mapChars);
1da177e4
LT
290
291extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
292 const __u16 netfid, const __u64 len,
293 const __u64 offset, const __u32 numUnlock,
294 const __u32 numLock, const __u8 lockType,
4b18f2a9 295 const bool waitFlag);
08547b03
SF
296extern int CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon,
297 const __u16 smb_file_id, const int get_flag,
d38d8c74 298 const __u64 len, struct file_lock *,
4b18f2a9 299 const __u16 lock_type, const bool waitFlag);
1da177e4
LT
300extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon);
301extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses);
302
303extern struct cifsSesInfo *sesInfoAlloc(void);
304extern void sesInfoFree(struct cifsSesInfo *);
305extern struct cifsTconInfo *tconInfoAlloc(void);
306extern void tconInfoFree(struct cifsTconInfo *);
307
d38d8c74 308extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
84afc29b
SF
309extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
310 __u32 *);
b609f06a
SF
311extern int cifs_verify_signature(struct smb_hdr *,
312 const struct mac_key *mac_key,
313 __u32 expected_sequence_number);
314extern int cifs_calculate_mac_key(struct mac_key *key, const char *rn,
315 const char *pass);
d38d8c74 316extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo *,
1717ffc5 317 const struct nls_table *);
26f57364 318extern void CalcNTLMv2_response(const struct cifsSesInfo *, char *);
d38d8c74 319extern void setup_ntlmv2_rsp(struct cifsSesInfo *, char *,
1717ffc5 320 const struct nls_table *);
7c7b25bc 321#ifdef CONFIG_CIFS_WEAK_PW_HASH
d38d8c74 322extern void calc_lanman_hash(struct cifsSesInfo *ses, char *lnm_session_key);
7c7b25bc 323#endif /* CIFS_WEAK_PW_HASH */
1da177e4
LT
324extern int CIFSSMBCopy(int xid,
325 struct cifsTconInfo *source_tcon,
326 const char *fromName,
327 const __u16 target_tid,
328 const char *toName, const int flags,
50c2f753 329 const struct nls_table *nls_codepage,
737b758c 330 int remap_special_chars);
50c2f753 331extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
d38d8c74
SF
332 const int notify_subdirs, const __u16 netfid,
333 __u32 filter, struct file *file, int multishot,
167a251a 334 const struct nls_table *nls_codepage);
1da177e4 335extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
d38d8c74 336 const unsigned char *searchName, char *EAData,
737b758c
SF
337 size_t bufsize, const struct nls_table *nls_codepage,
338 int remap_special_chars);
d38d8c74 339extern ssize_t CIFSSMBQueryEA(const int xid, struct cifsTconInfo *tcon,
50c2f753 340 const unsigned char *searchName, const unsigned char *ea_name,
d38d8c74 341 unsigned char *ea_value, size_t buf_size,
737b758c 342 const struct nls_table *nls_codepage, int remap_special_chars);
d38d8c74
SF
343extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon,
344 const char *fileName, const char *ea_name,
345 const void *ea_value, const __u16 ea_value_len,
737b758c 346 const struct nls_table *nls_codepage, int remap_special_chars);
0a4b92c0 347extern int CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon,
630f3f0c 348 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
97837582
SF
349extern int CIFSSMBSetCIFSACL(const int, struct cifsTconInfo *, __u16,
350 struct cifs_ntsd *, __u32);
1da177e4
LT
351extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon,
352 const unsigned char *searchName,
d38d8c74 353 char *acl_inf, const int buflen, const int acl_type,
737b758c 354 const struct nls_table *nls_codepage, int remap_special_chars);
1da177e4
LT
355extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon,
356 const unsigned char *fileName,
357 const char *local_acl, const int buflen, const int acl_type,
737b758c 358 const struct nls_table *nls_codepage, int remap_special_chars);
f654bac2 359extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon,
8840dee9 360 const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
1da177e4 361#endif /* _CIFSPROTO_H */