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[CIFS] fix unicode string alignment in SPNEGO setup
[net-next-2.6.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);
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);
d38d8c74 56extern int SendReceiveBlockingLock(const unsigned int /* xid */ ,
2cd646a2 57 struct cifsTconInfo *,
7ee1af76
JA		 58 struct smb_hdr * /* input */ ,
59 struct smb_hdr * /* out */ ,
60 int * /* bytes returned */);
d103e164 61extern int checkSMB(struct smb_hdr *smb, __u16 mid, unsigned int length);
d7c8c94d 62extern int is_valid_oplock_break(struct smb_hdr *smb, struct TCP_Server_Info *);
7ba52631 63extern int is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
6148a742 64extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *);
630f3f0c
SF		 65#ifdef CONFIG_CIFS_EXPERIMENTAL
66extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *);
67#endif
1da177e4 68extern unsigned int smbCalcSize(struct smb_hdr *ptr);
70ca734a 69extern unsigned int smbCalcSize_LE(struct smb_hdr *ptr);
1da177e4
LT		 70extern int decode_negTokenInit(unsigned char *security_blob, int length,
71 enum securityEnum *secType);
d38d8c74 72extern int cifs_inet_pton(int, char *source, void *dst);
a761ac57 73extern int map_smb_to_linux_error(struct smb_hdr *smb, int logErr);
1da177e4 74extern void header_assemble(struct smb_hdr *, char /* command */ ,
1982c344
SF		 75 const struct cifsTconInfo *, int /* length of
76 fixed section (word count) in two byte units */);
5815449d
SF		 77extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
78 struct cifsSesInfo *ses,
50c2f753 79 void **request_buf);
5815449d 80extern int CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses,
d38d8c74 81 const int stage,
5815449d 82 const struct nls_table *nls_cp);
1982c344 83extern __u16 GetNextMid(struct TCP_Server_Info *server);
50c2f753 84extern struct oplock_q_entry *AllocOplockQEntry(struct inode *, u16,
737b758c 85 struct cifsTconInfo *);
1da177e4
LT		 86extern void DeleteOplockQEntry(struct oplock_q_entry *);
87extern struct timespec cifs_NTtimeToUnix(u64 /* utc nanoseconds since 1601 */ );
88extern u64 cifs_UnixTimeToNT(struct timespec);
1bd5bbcb
SF		 89extern __le64 cnvrtDosCifsTm(__u16 date, __u16 time);
90extern struct timespec cnvrtDosUnixTm(__u16 date, __u16 time);
91
1da177e4 92extern int cifs_get_inode_info(struct inode **pinode,
d38d8c74 93 const unsigned char *search_path,
1da177e4
LT		 94 FILE_ALL_INFO * pfile_info,
95 struct super_block *sb, int xid);
96extern int cifs_get_inode_info_unix(struct inode **pinode,
97 const unsigned char *search_path,
d38d8c74 98 struct super_block *sb, int xid);
630f3f0c 99extern void acl_to_uid_mode(struct inode *inode, const char *search_path);
953f8681
SF		 100extern int mode_to_acl(struct inode *inode, const char *path);
101
1da177e4
LT		 102extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *,
103 const char *);
104extern int cifs_umount(struct super_block *, struct cifs_sb_info *);
105void cifs_proc_init(void);
106void cifs_proc_clean(void);
107
d38d8c74
SF		 108extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
109 struct nls_table *nls_info);
1da177e4
LT		 110extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses);
111
112extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
113 const char *tree, struct cifsTconInfo *tcon,
114 const struct nls_table *);
115
116extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon,
ec637e3f 117 const char *searchName, const struct nls_table *nls_codepage,
d38d8c74 118 __u16 *searchHandle, struct cifs_search_info *psrch_inf,
ec637e3f 119 int map, const char dirsep);
1da177e4
LT		 120
121extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
d38d8c74 122 __u16 searchHandle, struct cifs_search_info *psrch_inf);
1da177e4
LT		 123
124extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
125 const __u16 search_handle);
126
127extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
128 const unsigned char *searchName,
129 FILE_ALL_INFO * findData,
acf1a1b1 130 int legacy /* whether to use old info level */,
737b758c 131 const struct nls_table *nls_codepage, int remap);
6b8edfe0 132extern int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon,
d38d8c74
SF		 133 const unsigned char *searchName,
134 FILE_ALL_INFO *findData,
135 const struct nls_table *nls_codepage, int remap);
1da177e4
LT		 136
137extern int CIFSSMBUnixQPathInfo(const int xid,
138 struct cifsTconInfo *tcon,
139 const unsigned char *searchName,
140 FILE_UNIX_BASIC_INFO * pFindData,
737b758c 141 const struct nls_table *nls_codepage, int remap);
1da177e4
LT		 142
143extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
144 const unsigned char *searchName,
145 unsigned char **targetUNCs,
146 unsigned int *number_of_UNC_in_array,
737b758c 147 const struct nls_table *nls_codepage, int remap);
1da177e4
LT		 148
149extern int connect_to_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
150 const char *old_path,
737b758c 151 const struct nls_table *nls_codepage, int remap);
1da177e4 152extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
d38d8c74 153 const char *old_path,
737b758c 154 const struct nls_table *nls_codepage,
d38d8c74 155 unsigned int *pnum_referrals,
50c2f753 156 unsigned char **preferrals,
737b758c 157 int remap);
8af18971 158extern void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
d38d8c74 159 struct super_block *sb, struct smb_vol *vol);
1da177e4 160extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon,
737b758c 161 struct kstatfs *FSData);
20962438
SF		 162extern int SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon,
163 struct kstatfs *FSData);
45abc6ee 164extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon,
ac67055e
JA		 165 __u64 cap);
166
1da177e4 167extern int CIFSSMBQFSAttributeInfo(const int xid,
737b758c
SF		 168 struct cifsTconInfo *tcon);
169extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon);
170extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon);
1da177e4 171extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon,
737b758c 172 struct kstatfs *FSData);
1da177e4
LT		 173
174extern int CIFSSMBSetTimes(const int xid, struct cifsTconInfo *tcon,
175 const char *fileName, const FILE_BASIC_INFO * data,
737b758c
SF		 176 const struct nls_table *nls_codepage,
177 int remap_special_chars);
1da177e4
LT		 178extern int CIFSSMBSetFileTimes(const int xid, struct cifsTconInfo *tcon,
179 const FILE_BASIC_INFO * data, __u16 fid);
180#if 0
181extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon,
182 char *fileName, __u16 dos_attributes,
183 const struct nls_table *nls_codepage);
184#endif /* possibly unneeded function */
185extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon,
737b758c
SF		 186 const char *fileName, __u64 size,
187 int setAllocationSizeFlag,
188 const struct nls_table *nls_codepage,
189 int remap_special_chars);
1da177e4 190extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon,
d38d8c74 191 __u64 size, __u16 fileHandle, __u32 opener_pid,
737b758c 192 int AllocSizeFlag);
1da177e4
LT		 193extern int CIFSSMBUnixSetPerms(const int xid, struct cifsTconInfo *pTcon,
194 char *full_path, __u64 mode, __u64 uid,
d38d8c74 195 __u64 gid, dev_t dev,
737b758c
SF		 196 const struct nls_table *nls_codepage,
197 int remap_special_chars);
1da177e4
LT		 198
199extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon,
200 const char *newName,
737b758c
SF		 201 const struct nls_table *nls_codepage,
202 int remap_special_chars);
1da177e4 203extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon,
737b758c
SF		 204 const char *name, const struct nls_table *nls_codepage,
205 int remap_special_chars);
2d785a50
SF		 206extern int CIFSPOSIXDelFile(const int xid, struct cifsTconInfo *tcon,
207 const char *name, __u16 type,
208 const struct nls_table *nls_codepage,
209 int remap_special_chars);
1da177e4
LT		 210extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon,
211 const char *name,
737b758c
SF		 212 const struct nls_table *nls_codepage,
213 int remap_special_chars);
1da177e4
LT		 214extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon,
215 const char *fromName, const char *toName,
737b758c
SF		 216 const struct nls_table *nls_codepage,
217 int remap_special_chars);
d38d8c74
SF		 218extern int CIFSSMBRenameOpenFile(const int xid, struct cifsTconInfo *pTcon,
219 int netfid, char *target_name,
737b758c
SF		 220 const struct nls_table *nls_codepage,
221 int remap_special_chars);
1da177e4
LT		 222extern int CIFSCreateHardLink(const int xid,
223 struct cifsTconInfo *tcon,
224 const char *fromName, const char *toName,
737b758c
SF		 225 const struct nls_table *nls_codepage,
226 int remap_special_chars);
1da177e4
LT		 227extern int CIFSUnixCreateHardLink(const int xid,
228 struct cifsTconInfo *tcon,
229 const char *fromName, const char *toName,
d38d8c74 230 const struct nls_table *nls_codepage,
737b758c 231 int remap_special_chars);
1da177e4
LT		 232extern int CIFSUnixCreateSymLink(const int xid,
233 struct cifsTconInfo *tcon,
234 const char *fromName, const char *toName,
235 const struct nls_table *nls_codepage);
236extern int CIFSSMBUnixQuerySymLink(const int xid,
237 struct cifsTconInfo *tcon,
238 const unsigned char *searchName,
239 char *syminfo, const int buflen,
240 const struct nls_table *nls_codepage);
d38d8c74 241extern int CIFSSMBQueryReparseLinkInfo(const int xid,
1da177e4
LT		 242 struct cifsTconInfo *tcon,
243 const unsigned char *searchName,
244 char *symlinkinfo, const int buflen, __u16 fid,
245 const struct nls_table *nls_codepage);
246
247extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
248 const char *fileName, const int disposition,
249 const int access_flags, const int omode,
8840dee9 250 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
737b758c 251 const struct nls_table *nls_codepage, int remap);
a9d02ad4
SF		 252extern int SMBLegacyOpen(const int xid, struct cifsTconInfo *tcon,
253 const char *fileName, const int disposition,
254 const int access_flags, const int omode,
8840dee9 255 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
a9d02ad4 256 const struct nls_table *nls_codepage, int remap);
d38d8c74 257extern int CIFSPOSIXCreate(const int xid, struct cifsTconInfo *tcon,
8840dee9 258 u32 posix_flags, __u64 mode, __u16 *netfid,
2dd29d31
SF		 259 FILE_UNIX_BASIC_INFO *pRetData,
260 __u32 *pOplock, const char *name,
d38d8c74 261 const struct nls_table *nls_codepage, int remap);
1da177e4
LT		 262extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon,
263 const int smb_file_id);
264
265extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
d38d8c74
SF		 266 const int netfid, unsigned int count,
267 const __u64 lseek, unsigned int *nbytes, char **buf,
268 int *return_buf_type);
1da177e4
LT		 269extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
270 const int netfid, const unsigned int count,
271 const __u64 lseek, unsigned int *nbytes,
d38d8c74 272 const char *buf, const char __user *ubuf,
1da177e4 273 const int long_op);
1da177e4
LT		 274extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
275 const int netfid, const unsigned int count,
d38d8c74 276 const __u64 offset, unsigned int *nbytes,
3e84469d 277 struct kvec *iov, const int nvec, const int long_op);
1da177e4 278extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
8840dee9 279 const unsigned char *searchName, __u64 *inode_number,
d38d8c74 280 const struct nls_table *nls_codepage,
737b758c 281 int remap_special_chars);
b1a45695 282extern int cifs_convertUCSpath(char *target, const __le16 *source, int maxlen,
d38d8c74
SF		 283 const struct nls_table *codepage);
284extern int cifsConvertToUCS(__le16 *target, const char *source, int maxlen,
285 const struct nls_table *cp, int mapChars);
1da177e4
LT		 286
287extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
288 const __u16 netfid, const __u64 len,
289 const __u64 offset, const __u32 numUnlock,
290 const __u32 numLock, const __u8 lockType,
291 const int waitFlag);
08547b03
SF		 292extern int CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon,
293 const __u16 smb_file_id, const int get_flag,
d38d8c74 294 const __u64 len, struct file_lock *,
08547b03 295 const __u16 lock_type, const int waitFlag);
1da177e4
LT		 296extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon);
297extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses);
298
299extern struct cifsSesInfo *sesInfoAlloc(void);
300extern void sesInfoFree(struct cifsSesInfo *);
301extern struct cifsTconInfo *tconInfoAlloc(void);
302extern void tconInfoFree(struct cifsTconInfo *);
303
d38d8c74 304extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
84afc29b
SF		 305extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
306 __u32 *);
b609f06a
SF		 307extern int cifs_verify_signature(struct smb_hdr *,
308 const struct mac_key *mac_key,
309 __u32 expected_sequence_number);
310extern int cifs_calculate_mac_key(struct mac_key *key, const char *rn,
311 const char *pass);
d38d8c74 312extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo *,
1717ffc5 313 const struct nls_table *);
26f57364 314extern void CalcNTLMv2_response(const struct cifsSesInfo *, char *);
d38d8c74 315extern void setup_ntlmv2_rsp(struct cifsSesInfo *, char *,
1717ffc5 316 const struct nls_table *);
7c7b25bc 317#ifdef CONFIG_CIFS_WEAK_PW_HASH
d38d8c74 318extern void calc_lanman_hash(struct cifsSesInfo *ses, char *lnm_session_key);
7c7b25bc 319#endif /* CIFS_WEAK_PW_HASH */
1da177e4
LT		 320extern int CIFSSMBCopy(int xid,
321 struct cifsTconInfo *source_tcon,
322 const char *fromName,
323 const __u16 target_tid,
324 const char *toName, const int flags,
50c2f753 325 const struct nls_table *nls_codepage,
737b758c 326 int remap_special_chars);
50c2f753 327extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
d38d8c74
SF		 328 const int notify_subdirs, const __u16 netfid,
329 __u32 filter, struct file *file, int multishot,
167a251a 330 const struct nls_table *nls_codepage);
1da177e4 331extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
d38d8c74 332 const unsigned char *searchName, char *EAData,
737b758c
SF		 333 size_t bufsize, const struct nls_table *nls_codepage,
334 int remap_special_chars);
d38d8c74 335extern ssize_t CIFSSMBQueryEA(const int xid, struct cifsTconInfo *tcon,
50c2f753 336 const unsigned char *searchName, const unsigned char *ea_name,
d38d8c74 337 unsigned char *ea_value, size_t buf_size,
737b758c 338 const struct nls_table *nls_codepage, int remap_special_chars);
d38d8c74
SF		 339extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon,
340 const char *fileName, const char *ea_name,
341 const void *ea_value, const __u16 ea_value_len,
737b758c 342 const struct nls_table *nls_codepage, int remap_special_chars);
0a4b92c0 343extern int CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon,
630f3f0c 344 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
1da177e4
LT		 345extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon,
346 const unsigned char *searchName,
d38d8c74 347 char *acl_inf, const int buflen, const int acl_type,
737b758c 348 const struct nls_table *nls_codepage, int remap_special_chars);
1da177e4
LT		 349extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon,
350 const unsigned char *fileName,
351 const char *local_acl, const int buflen, const int acl_type,
737b758c 352 const struct nls_table *nls_codepage, int remap_special_chars);
f654bac2 353extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon,
8840dee9 354 const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
1da177e4 355#endif /* _CIFSPROTO_H */
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