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[CIFS] enable get mode from ACL when cifsacl mount option specified
[mirror_ubuntu-zesty-kernel.git] / fs / cifs / cifsproto.h
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1da177e4
LT		 1/*
2 * fs/cifs/cifsproto.h
3 *
2dd29d31 4 * Copyright (c) International Business Machines Corp., 2002,2007
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);
42#define GetXid() (int)_GetXid(); cFYI(1,("CIFS VFS: in %s as Xid: %d with uid: %d",__FUNCTION__, xid,current->fsuid));
43#define FreeXid(curr_xid) {_FreeXid(curr_xid); cFYI(1,("CIFS VFS: leaving %s (xid = %d) rc = %d",__FUNCTION__,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);
d6e04ae6 51extern int SendReceive2(const unsigned int /* xid */ , struct cifsSesInfo *,
d38d8c74 52 struct kvec *, int /* nvec to send */,
a761ac57
SF		 53 int * /* type of buf returned */ , const int long_op,
54 const int logError /* whether to log status code*/ );
d38d8c74 55extern int SendReceiveBlockingLock(const unsigned int /* xid */ ,
2cd646a2 56 struct cifsTconInfo *,
7ee1af76
JA		 57 struct smb_hdr * /* input */ ,
58 struct smb_hdr * /* out */ ,
59 int * /* bytes returned */);
d103e164 60extern int checkSMB(struct smb_hdr *smb, __u16 mid, unsigned int length);
d7c8c94d 61extern int is_valid_oplock_break(struct smb_hdr *smb, struct TCP_Server_Info *);
7ba52631 62extern int is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
6148a742 63extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *);
630f3f0c
SF		 64#ifdef CONFIG_CIFS_EXPERIMENTAL
65extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *);
66#endif
1da177e4 67extern unsigned int smbCalcSize(struct smb_hdr *ptr);
70ca734a 68extern unsigned int smbCalcSize_LE(struct smb_hdr *ptr);
1da177e4
LT		 69extern int decode_negTokenInit(unsigned char *security_blob, int length,
70 enum securityEnum *secType);
d38d8c74 71extern int cifs_inet_pton(int, char *source, void *dst);
a761ac57 72extern int map_smb_to_linux_error(struct smb_hdr *smb, int logErr);
1da177e4 73extern void header_assemble(struct smb_hdr *, char /* command */ ,
1982c344
SF		 74 const struct cifsTconInfo *, int /* length of
75 fixed section (word count) in two byte units */);
5815449d
SF		 76extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
77 struct cifsSesInfo *ses,
50c2f753 78 void **request_buf);
5815449d 79extern int CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses,
d38d8c74 80 const int stage,
5815449d 81 const struct nls_table *nls_cp);
1982c344 82extern __u16 GetNextMid(struct TCP_Server_Info *server);
50c2f753 83extern struct oplock_q_entry *AllocOplockQEntry(struct inode *, u16,
737b758c 84 struct cifsTconInfo *);
1da177e4
LT		 85extern void DeleteOplockQEntry(struct oplock_q_entry *);
86extern struct timespec cifs_NTtimeToUnix(u64 /* utc nanoseconds since 1601 */ );
87extern u64 cifs_UnixTimeToNT(struct timespec);
1bd5bbcb
SF		 88extern __le64 cnvrtDosCifsTm(__u16 date, __u16 time);
89extern struct timespec cnvrtDosUnixTm(__u16 date, __u16 time);
90
1da177e4 91extern int cifs_get_inode_info(struct inode **pinode,
d38d8c74 92 const unsigned char *search_path,
1da177e4
LT		 93 FILE_ALL_INFO * pfile_info,
94 struct super_block *sb, int xid);
95extern int cifs_get_inode_info_unix(struct inode **pinode,
96 const unsigned char *search_path,
d38d8c74 97 struct super_block *sb, int xid);
630f3f0c 98extern void acl_to_uid_mode(struct inode *inode, const char *search_path);
1da177e4
LT		 99extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *,
100 const char *);
101extern int cifs_umount(struct super_block *, struct cifs_sb_info *);
102void cifs_proc_init(void);
103void cifs_proc_clean(void);
104
d38d8c74
SF		 105extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
106 struct nls_table *nls_info);
1da177e4
LT		 107extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses);
108
109extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
110 const char *tree, struct cifsTconInfo *tcon,
111 const struct nls_table *);
112
113extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon,
ec637e3f 114 const char *searchName, const struct nls_table *nls_codepage,
d38d8c74 115 __u16 *searchHandle, struct cifs_search_info *psrch_inf,
ec637e3f 116 int map, const char dirsep);
1da177e4
LT		 117
118extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
d38d8c74 119 __u16 searchHandle, struct cifs_search_info *psrch_inf);
1da177e4
LT		 120
121extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
122 const __u16 search_handle);
123
124extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
125 const unsigned char *searchName,
126 FILE_ALL_INFO * findData,
acf1a1b1 127 int legacy /* whether to use old info level */,
737b758c 128 const struct nls_table *nls_codepage, int remap);
6b8edfe0 129extern int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon,
d38d8c74
SF		 130 const unsigned char *searchName,
131 FILE_ALL_INFO *findData,
132 const struct nls_table *nls_codepage, int remap);
1da177e4
LT		 133
134extern int CIFSSMBUnixQPathInfo(const int xid,
135 struct cifsTconInfo *tcon,
136 const unsigned char *searchName,
137 FILE_UNIX_BASIC_INFO * pFindData,
737b758c 138 const struct nls_table *nls_codepage, int remap);
1da177e4
LT		 139
140extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
141 const unsigned char *searchName,
142 unsigned char **targetUNCs,
143 unsigned int *number_of_UNC_in_array,
737b758c 144 const struct nls_table *nls_codepage, int remap);
1da177e4
LT		 145
146extern int connect_to_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
147 const char *old_path,
737b758c 148 const struct nls_table *nls_codepage, int remap);
1da177e4 149extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
d38d8c74 150 const char *old_path,
737b758c 151 const struct nls_table *nls_codepage,
d38d8c74 152 unsigned int *pnum_referrals,
50c2f753 153 unsigned char **preferrals,
737b758c 154 int remap);
8af18971 155extern void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
d38d8c74 156 struct super_block *sb, struct smb_vol *vol);
1da177e4 157extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon,
737b758c 158 struct kstatfs *FSData);
20962438
SF		 159extern int SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon,
160 struct kstatfs *FSData);
45abc6ee 161extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon,
ac67055e
JA		 162 __u64 cap);
163
1da177e4 164extern int CIFSSMBQFSAttributeInfo(const int xid,
737b758c
SF		 165 struct cifsTconInfo *tcon);
166extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon);
167extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon);
1da177e4 168extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon,
737b758c 169 struct kstatfs *FSData);
1da177e4
LT		 170
171extern int CIFSSMBSetTimes(const int xid, struct cifsTconInfo *tcon,
172 const char *fileName, const FILE_BASIC_INFO * data,
737b758c
SF		 173 const struct nls_table *nls_codepage,
174 int remap_special_chars);
1da177e4
LT		 175extern int CIFSSMBSetFileTimes(const int xid, struct cifsTconInfo *tcon,
176 const FILE_BASIC_INFO * data, __u16 fid);
177#if 0
178extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon,
179 char *fileName, __u16 dos_attributes,
180 const struct nls_table *nls_codepage);
181#endif /* possibly unneeded function */
182extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon,
737b758c
SF		 183 const char *fileName, __u64 size,
184 int setAllocationSizeFlag,
185 const struct nls_table *nls_codepage,
186 int remap_special_chars);
1da177e4 187extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon,
d38d8c74 188 __u64 size, __u16 fileHandle, __u32 opener_pid,
737b758c 189 int AllocSizeFlag);
1da177e4
LT		 190extern int CIFSSMBUnixSetPerms(const int xid, struct cifsTconInfo *pTcon,
191 char *full_path, __u64 mode, __u64 uid,
d38d8c74 192 __u64 gid, dev_t dev,
737b758c
SF		 193 const struct nls_table *nls_codepage,
194 int remap_special_chars);
1da177e4
LT		 195
196extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon,
197 const char *newName,
737b758c
SF		 198 const struct nls_table *nls_codepage,
199 int remap_special_chars);
1da177e4 200extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon,
737b758c
SF		 201 const char *name, const struct nls_table *nls_codepage,
202 int remap_special_chars);
2d785a50
SF		 203extern int CIFSPOSIXDelFile(const int xid, struct cifsTconInfo *tcon,
204 const char *name, __u16 type,
205 const struct nls_table *nls_codepage,
206 int remap_special_chars);
1da177e4
LT		 207extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon,
208 const char *name,
737b758c
SF		 209 const struct nls_table *nls_codepage,
210 int remap_special_chars);
1da177e4
LT		 211extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon,
212 const char *fromName, const char *toName,
737b758c
SF		 213 const struct nls_table *nls_codepage,
214 int remap_special_chars);
d38d8c74
SF		 215extern int CIFSSMBRenameOpenFile(const int xid, struct cifsTconInfo *pTcon,
216 int netfid, char *target_name,
737b758c
SF		 217 const struct nls_table *nls_codepage,
218 int remap_special_chars);
1da177e4
LT		 219extern int CIFSCreateHardLink(const int xid,
220 struct cifsTconInfo *tcon,
221 const char *fromName, const char *toName,
737b758c
SF		 222 const struct nls_table *nls_codepage,
223 int remap_special_chars);
1da177e4
LT		 224extern int CIFSUnixCreateHardLink(const int xid,
225 struct cifsTconInfo *tcon,
226 const char *fromName, const char *toName,
d38d8c74 227 const struct nls_table *nls_codepage,
737b758c 228 int remap_special_chars);
1da177e4
LT		 229extern int CIFSUnixCreateSymLink(const int xid,
230 struct cifsTconInfo *tcon,
231 const char *fromName, const char *toName,
232 const struct nls_table *nls_codepage);
233extern int CIFSSMBUnixQuerySymLink(const int xid,
234 struct cifsTconInfo *tcon,
235 const unsigned char *searchName,
236 char *syminfo, const int buflen,
237 const struct nls_table *nls_codepage);
d38d8c74 238extern int CIFSSMBQueryReparseLinkInfo(const int xid,
1da177e4
LT		 239 struct cifsTconInfo *tcon,
240 const unsigned char *searchName,
241 char *symlinkinfo, const int buflen, __u16 fid,
242 const struct nls_table *nls_codepage);
243
244extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
245 const char *fileName, const int disposition,
246 const int access_flags, const int omode,
247 __u16 * netfid, int *pOplock, FILE_ALL_INFO *,
737b758c 248 const struct nls_table *nls_codepage, int remap);
a9d02ad4
SF		 249extern int SMBLegacyOpen(const int xid, struct cifsTconInfo *tcon,
250 const char *fileName, const int disposition,
251 const int access_flags, const int omode,
252 __u16 * netfid, int *pOplock, FILE_ALL_INFO *,
253 const struct nls_table *nls_codepage, int remap);
d38d8c74 254extern int CIFSPOSIXCreate(const int xid, struct cifsTconInfo *tcon,
2dd29d31
SF		 255 u32 posix_flags, __u64 mode, __u16 * netfid,
256 FILE_UNIX_BASIC_INFO *pRetData,
257 __u32 *pOplock, const char *name,
d38d8c74 258 const struct nls_table *nls_codepage, int remap);
1da177e4
LT		 259extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon,
260 const int smb_file_id);
261
262extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
d38d8c74
SF		 263 const int netfid, unsigned int count,
264 const __u64 lseek, unsigned int *nbytes, char **buf,
265 int *return_buf_type);
1da177e4
LT		 266extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
267 const int netfid, const unsigned int count,
268 const __u64 lseek, unsigned int *nbytes,
d38d8c74 269 const char *buf, const char __user *ubuf,
1da177e4 270 const int long_op);
1da177e4
LT		 271extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
272 const int netfid, const unsigned int count,
d38d8c74 273 const __u64 offset, unsigned int *nbytes,
3e84469d 274 struct kvec *iov, const int nvec, const int long_op);
1da177e4
LT		 275extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
276 const unsigned char *searchName, __u64 * inode_number,
d38d8c74 277 const struct nls_table *nls_codepage,
737b758c 278 int remap_special_chars);
b1a45695 279extern int cifs_convertUCSpath(char *target, const __le16 *source, int maxlen,
d38d8c74
SF		 280 const struct nls_table *codepage);
281extern int cifsConvertToUCS(__le16 *target, const char *source, int maxlen,
282 const struct nls_table *cp, int mapChars);
1da177e4
LT		 283
284extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
285 const __u16 netfid, const __u64 len,
286 const __u64 offset, const __u32 numUnlock,
287 const __u32 numLock, const __u8 lockType,
288 const int waitFlag);
08547b03
SF		 289extern int CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon,
290 const __u16 smb_file_id, const int get_flag,
d38d8c74 291 const __u64 len, struct file_lock *,
08547b03 292 const __u16 lock_type, const int waitFlag);
1da177e4
LT		 293extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon);
294extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses);
295
296extern struct cifsSesInfo *sesInfoAlloc(void);
297extern void sesInfoFree(struct cifsSesInfo *);
298extern struct cifsTconInfo *tconInfoAlloc(void);
299extern void tconInfoFree(struct cifsTconInfo *);
300
d38d8c74 301extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
84afc29b
SF		 302extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
303 __u32 *);
b609f06a
SF		 304extern int cifs_verify_signature(struct smb_hdr *,
305 const struct mac_key *mac_key,
306 __u32 expected_sequence_number);
307extern int cifs_calculate_mac_key(struct mac_key *key, const char *rn,
308 const char *pass);
d38d8c74 309extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo *,
1717ffc5 310 const struct nls_table *);
26f57364 311extern void CalcNTLMv2_response(const struct cifsSesInfo *, char *);
d38d8c74 312extern void setup_ntlmv2_rsp(struct cifsSesInfo *, char *,
1717ffc5 313 const struct nls_table *);
7c7b25bc 314#ifdef CONFIG_CIFS_WEAK_PW_HASH
d38d8c74 315extern void calc_lanman_hash(struct cifsSesInfo *ses, char *lnm_session_key);
7c7b25bc 316#endif /* CIFS_WEAK_PW_HASH */
1da177e4
LT		 317extern int CIFSSMBCopy(int xid,
318 struct cifsTconInfo *source_tcon,
319 const char *fromName,
320 const __u16 target_tid,
321 const char *toName, const int flags,
50c2f753 322 const struct nls_table *nls_codepage,
737b758c 323 int remap_special_chars);
50c2f753 324extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
d38d8c74
SF		 325 const int notify_subdirs, const __u16 netfid,
326 __u32 filter, struct file *file, int multishot,
167a251a 327 const struct nls_table *nls_codepage);
1da177e4 328extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
d38d8c74 329 const unsigned char *searchName, char *EAData,
737b758c
SF		 330 size_t bufsize, const struct nls_table *nls_codepage,
331 int remap_special_chars);
d38d8c74 332extern ssize_t CIFSSMBQueryEA(const int xid, struct cifsTconInfo *tcon,
50c2f753 333 const unsigned char *searchName, const unsigned char *ea_name,
d38d8c74 334 unsigned char *ea_value, size_t buf_size,
737b758c 335 const struct nls_table *nls_codepage, int remap_special_chars);
d38d8c74
SF		 336extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon,
337 const char *fileName, const char *ea_name,
338 const void *ea_value, const __u16 ea_value_len,
737b758c 339 const struct nls_table *nls_codepage, int remap_special_chars);
0a4b92c0 340extern int CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon,
630f3f0c 341 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
1da177e4
LT		 342extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon,
343 const unsigned char *searchName,
d38d8c74 344 char *acl_inf, const int buflen, const int acl_type,
737b758c 345 const struct nls_table *nls_codepage, int remap_special_chars);
1da177e4
LT		 346extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon,
347 const unsigned char *fileName,
348 const char *local_acl, const int buflen, const int acl_type,
737b758c 349 const struct nls_table *nls_codepage, int remap_special_chars);
f654bac2 350extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon,
d38d8c74 351 const int netfid, __u64 * pExtAttrBits, __u64 *pMask);
1da177e4 352#endif /* _CIFSPROTO_H */
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