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cifs: have cifs_NTtimeToUnix take a little-endian arg
[mirror_ubuntu-artful-kernel.git] / fs / cifs / cifsproto.h
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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 *);
0496e02d
JL		 38extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *,
39 unsigned int /* length */);
1da177e4
LT		 40extern unsigned int _GetXid(void);
41extern void _FreeXid(unsigned int);
a001e5b5 42#define GetXid() (int)_GetXid(); cFYI(1,("CIFS VFS: in %s as Xid: %d with uid: %d",__func__, xid,current_fsuid()));
55f78e17 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 *);
e4cce94c 45extern char *cifs_build_path_to_root(struct cifs_sb_info *cifs_sb);
1da177e4 46extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
c6c00919
SF		 47extern char *cifs_compose_mount_options(const char *sb_mountdata,
48 const char *fullpath, const struct dfs_info3_param *ref,
49 char **devname);
99ee4dbd 50/* extern void renew_parental_timestamps(struct dentry *direntry);*/
1da177e4
LT		 51extern int SendReceive(const unsigned int /* xid */ , struct cifsSesInfo *,
52 struct smb_hdr * /* input */ ,
53 struct smb_hdr * /* out */ ,
54 int * /* bytes returned */ , const int long_op);
133672ef
SF		 55extern int SendReceiveNoRsp(const unsigned int xid, struct cifsSesInfo *ses,
56 struct smb_hdr *in_buf, int flags);
d6e04ae6 57extern int SendReceive2(const unsigned int /* xid */ , struct cifsSesInfo *,
d38d8c74 58 struct kvec *, int /* nvec to send */,
133672ef 59 int * /* type of buf returned */ , const int flags);
ad7a2926
SF		 60extern int SendReceiveBlockingLock(const unsigned int xid,
61 struct cifsTconInfo *ptcon,
62 struct smb_hdr *in_buf ,
63 struct smb_hdr *out_buf,
64 int *bytes_returned);
d103e164 65extern int checkSMB(struct smb_hdr *smb, __u16 mid, unsigned int length);
4b18f2a9
SF		 66extern bool is_valid_oplock_break(struct smb_hdr *smb,
67 struct TCP_Server_Info *);
68extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
6148a742 69extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *);
630f3f0c
SF		 70#ifdef CONFIG_CIFS_EXPERIMENTAL
71extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *);
72#endif
1da177e4 73extern unsigned int smbCalcSize(struct smb_hdr *ptr);
70ca734a 74extern unsigned int smbCalcSize_LE(struct smb_hdr *ptr);
1da177e4
LT		 75extern int decode_negTokenInit(unsigned char *security_blob, int length,
76 enum securityEnum *secType);
7c5e628f 77extern int cifs_inet_pton(const int, const char *source, void *dst);
a761ac57 78extern int map_smb_to_linux_error(struct smb_hdr *smb, int logErr);
1da177e4 79extern void header_assemble(struct smb_hdr *, char /* command */ ,
1982c344
SF		 80 const struct cifsTconInfo *, int /* length of
81 fixed section (word count) in two byte units */);
5815449d
SF		 82extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
83 struct cifsSesInfo *ses,
50c2f753 84 void **request_buf);
5815449d 85extern int CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses,
d38d8c74 86 const int stage,
5815449d 87 const struct nls_table *nls_cp);
1982c344 88extern __u16 GetNextMid(struct TCP_Server_Info *server);
50c2f753 89extern struct oplock_q_entry *AllocOplockQEntry(struct inode *, u16,
737b758c 90 struct cifsTconInfo *);
1da177e4 91extern void DeleteOplockQEntry(struct oplock_q_entry *);
5d941ca6 92extern void DeleteTconOplockQEntries(struct cifsTconInfo *);
07119a4d 93extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
1da177e4 94extern u64 cifs_UnixTimeToNT(struct timespec);
1bd5bbcb
SF		 95extern __le64 cnvrtDosCifsTm(__u16 date, __u16 time);
96extern struct timespec cnvrtDosUnixTm(__u16 date, __u16 time);
97
7fc8f4e9
SF		 98extern int cifs_posix_open(char *full_path, struct inode **pinode,
99 struct super_block *sb, int mode, int oflags,
100 int *poplock, __u16 *pnetfid, int xid);
44f68fad
JL		 101extern void posix_fill_in_inode(struct inode *tmp_inode,
102 FILE_UNIX_BASIC_INFO *pData, int isNewInode);
950ec528 103extern struct inode *cifs_new_inode(struct super_block *sb, __u64 *inum);
1da177e4 104extern int cifs_get_inode_info(struct inode **pinode,
d38d8c74 105 const unsigned char *search_path,
582d21e5 106 FILE_ALL_INFO *pfile_info,
8b1327f6 107 struct super_block *sb, int xid, const __u16 *pfid);
1da177e4
LT		 108extern int cifs_get_inode_info_unix(struct inode **pinode,
109 const unsigned char *search_path,
d38d8c74 110 struct super_block *sb, int xid);
8b1327f6
SF		 111extern void acl_to_uid_mode(struct inode *inode, const char *path,
112 const __u16 *pfid);
97837582 113extern int mode_to_acl(struct inode *inode, const char *path, __u64);
953f8681 114
1da177e4
LT		 115extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *,
116 const char *);
117extern int cifs_umount(struct super_block *, struct cifs_sb_info *);
78d31a3a 118extern void cifs_dfs_release_automount_timer(void);
1da177e4
LT		 119void cifs_proc_init(void);
120void cifs_proc_clean(void);
121
d38d8c74
SF		 122extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
123 struct nls_table *nls_info);
1da177e4
LT		 124extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses);
125
126extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
127 const char *tree, struct cifsTconInfo *tcon,
128 const struct nls_table *);
129
130extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon,
ec637e3f 131 const char *searchName, const struct nls_table *nls_codepage,
d38d8c74 132 __u16 *searchHandle, struct cifs_search_info *psrch_inf,
ec637e3f 133 int map, const char dirsep);
1da177e4
LT		 134
135extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
d38d8c74 136 __u16 searchHandle, struct cifs_search_info *psrch_inf);
1da177e4
LT		 137
138extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
139 const __u16 search_handle);
140
141extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
142 const unsigned char *searchName,
582d21e5 143 FILE_ALL_INFO *findData,
acf1a1b1 144 int legacy /* whether to use old info level */,
737b758c 145 const struct nls_table *nls_codepage, int remap);
6b8edfe0 146extern int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon,
d38d8c74
SF		 147 const unsigned char *searchName,
148 FILE_ALL_INFO *findData,
149 const struct nls_table *nls_codepage, int remap);
1da177e4
LT		 150
151extern int CIFSSMBUnixQPathInfo(const int xid,
152 struct cifsTconInfo *tcon,
153 const unsigned char *searchName,
582d21e5 154 FILE_UNIX_BASIC_INFO *pFindData,
737b758c 155 const struct nls_table *nls_codepage, int remap);
1da177e4
LT		 156
157extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
158 const unsigned char *searchName,
c2cf07d5
SF		 159 struct dfs_info3_param **target_nodes,
160 unsigned int *number_of_nodes_in_array,
737b758c 161 const struct nls_table *nls_codepage, int remap);
1da177e4 162
1da177e4 163extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
d38d8c74 164 const char *old_path,
737b758c 165 const struct nls_table *nls_codepage,
d38d8c74 166 unsigned int *pnum_referrals,
366781c1 167 struct dfs_info3_param **preferrals,
737b758c 168 int remap);
8af18971 169extern void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
d38d8c74 170 struct super_block *sb, struct smb_vol *vol);
1da177e4 171extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon,
737b758c 172 struct kstatfs *FSData);
20962438
SF		 173extern int SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon,
174 struct kstatfs *FSData);
45abc6ee 175extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon,
ac67055e
JA		 176 __u64 cap);
177
1da177e4 178extern int CIFSSMBQFSAttributeInfo(const int xid,
737b758c
SF		 179 struct cifsTconInfo *tcon);
180extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon);
181extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon);
1da177e4 182extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon,
737b758c 183 struct kstatfs *FSData);
1da177e4 184
6fc000e5 185extern int CIFSSMBSetPathInfo(const int xid, struct cifsTconInfo *tcon,
ad7a2926 186 const char *fileName, const FILE_BASIC_INFO *data,
737b758c
SF		 187 const struct nls_table *nls_codepage,
188 int remap_special_chars);
2dd2dfa0
JL		 189extern int CIFSSMBSetFileInfo(const int xid, struct cifsTconInfo *tcon,
190 const FILE_BASIC_INFO *data, __u16 fid,
191 __u32 pid_of_opener);
6d22f098
JL		 192extern int CIFSSMBSetFileDisposition(const int xid, struct cifsTconInfo *tcon,
193 bool delete_file, __u16 fid, __u32 pid_of_opener);
1da177e4
LT		 194#if 0
195extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon,
196 char *fileName, __u16 dos_attributes,
197 const struct nls_table *nls_codepage);
198#endif /* possibly unneeded function */
199extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon,
737b758c 200 const char *fileName, __u64 size,
4b18f2a9 201 bool setAllocationSizeFlag,
737b758c
SF		 202 const struct nls_table *nls_codepage,
203 int remap_special_chars);
1da177e4 204extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon,
d38d8c74 205 __u64 size, __u16 fileHandle, __u32 opener_pid,
4b18f2a9 206 bool AllocSizeFlag);
4e1e7fb9
JL		 207
208struct cifs_unix_set_info_args {
209 __u64 ctime;
210 __u64 atime;
211 __u64 mtime;
212 __u64 mode;
213 __u64 uid;
214 __u64 gid;
215 dev_t device;
216};
217
218extern int CIFSSMBUnixSetInfo(const int xid, struct cifsTconInfo *pTcon,
219 char *fileName,
220 const struct cifs_unix_set_info_args *args,
737b758c
SF		 221 const struct nls_table *nls_codepage,
222 int remap_special_chars);
1da177e4
LT		 223
224extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon,
225 const char *newName,
737b758c
SF		 226 const struct nls_table *nls_codepage,
227 int remap_special_chars);
1da177e4 228extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon,
737b758c
SF		 229 const char *name, const struct nls_table *nls_codepage,
230 int remap_special_chars);
2d785a50
SF		 231extern int CIFSPOSIXDelFile(const int xid, struct cifsTconInfo *tcon,
232 const char *name, __u16 type,
233 const struct nls_table *nls_codepage,
234 int remap_special_chars);
1da177e4
LT		 235extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon,
236 const char *name,
737b758c
SF		 237 const struct nls_table *nls_codepage,
238 int remap_special_chars);
1da177e4
LT		 239extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon,
240 const char *fromName, const char *toName,
737b758c
SF		 241 const struct nls_table *nls_codepage,
242 int remap_special_chars);
d38d8c74 243extern int CIFSSMBRenameOpenFile(const int xid, struct cifsTconInfo *pTcon,
391e5755 244 int netfid, const char *target_name,
737b758c
SF		 245 const struct nls_table *nls_codepage,
246 int remap_special_chars);
1da177e4
LT		 247extern int CIFSCreateHardLink(const int xid,
248 struct cifsTconInfo *tcon,
249 const char *fromName, const char *toName,
737b758c
SF		 250 const struct nls_table *nls_codepage,
251 int remap_special_chars);
1da177e4
LT		 252extern int CIFSUnixCreateHardLink(const int xid,
253 struct cifsTconInfo *tcon,
254 const char *fromName, const char *toName,
d38d8c74 255 const struct nls_table *nls_codepage,
737b758c 256 int remap_special_chars);
1da177e4
LT		 257extern int CIFSUnixCreateSymLink(const int xid,
258 struct cifsTconInfo *tcon,
259 const char *fromName, const char *toName,
260 const struct nls_table *nls_codepage);
261extern int CIFSSMBUnixQuerySymLink(const int xid,
262 struct cifsTconInfo *tcon,
460b9696 263 const unsigned char *searchName, char **syminfo,
1da177e4 264 const struct nls_table *nls_codepage);
d38d8c74 265extern int CIFSSMBQueryReparseLinkInfo(const int xid,
1da177e4
LT		 266 struct cifsTconInfo *tcon,
267 const unsigned char *searchName,
268 char *symlinkinfo, const int buflen, __u16 fid,
269 const struct nls_table *nls_codepage);
270
271extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
272 const char *fileName, const int disposition,
273 const int access_flags, const int omode,
8840dee9 274 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
737b758c 275 const struct nls_table *nls_codepage, int remap);
a9d02ad4
SF		 276extern int SMBLegacyOpen(const int xid, struct cifsTconInfo *tcon,
277 const char *fileName, const int disposition,
278 const int access_flags, const int omode,
8840dee9 279 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
a9d02ad4 280 const struct nls_table *nls_codepage, int remap);
d38d8c74 281extern int CIFSPOSIXCreate(const int xid, struct cifsTconInfo *tcon,
8840dee9 282 u32 posix_flags, __u64 mode, __u16 *netfid,
2dd29d31
SF		 283 FILE_UNIX_BASIC_INFO *pRetData,
284 __u32 *pOplock, const char *name,
d38d8c74 285 const struct nls_table *nls_codepage, int remap);
1da177e4
LT		 286extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon,
287 const int smb_file_id);
288
b298f223
SF		 289extern int CIFSSMBFlush(const int xid, struct cifsTconInfo *tcon,
290 const int smb_file_id);
291
1da177e4 292extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
d38d8c74
SF		 293 const int netfid, unsigned int count,
294 const __u64 lseek, unsigned int *nbytes, char **buf,
295 int *return_buf_type);
1da177e4
LT		 296extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
297 const int netfid, const unsigned int count,
298 const __u64 lseek, unsigned int *nbytes,
d38d8c74 299 const char *buf, const char __user *ubuf,
1da177e4 300 const int long_op);
1da177e4
LT		 301extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
302 const int netfid, const unsigned int count,
d38d8c74 303 const __u64 offset, unsigned int *nbytes,
3e84469d 304 struct kvec *iov, const int nvec, const int long_op);
1da177e4 305extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
8840dee9 306 const unsigned char *searchName, __u64 *inode_number,
d38d8c74 307 const struct nls_table *nls_codepage,
737b758c 308 int remap_special_chars);
d38d8c74
SF		 309extern int cifsConvertToUCS(__le16 *target, const char *source, int maxlen,
310 const struct nls_table *cp, int mapChars);
1da177e4
LT		 311
312extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
313 const __u16 netfid, const __u64 len,
314 const __u64 offset, const __u32 numUnlock,
315 const __u32 numLock, const __u8 lockType,
4b18f2a9 316 const bool waitFlag);
08547b03
SF		 317extern int CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon,
318 const __u16 smb_file_id, const int get_flag,
d38d8c74 319 const __u64 len, struct file_lock *,
4b18f2a9 320 const __u16 lock_type, const bool waitFlag);
1da177e4
LT		 321extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon);
322extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses);
323
324extern struct cifsSesInfo *sesInfoAlloc(void);
325extern void sesInfoFree(struct cifsSesInfo *);
326extern struct cifsTconInfo *tconInfoAlloc(void);
327extern void tconInfoFree(struct cifsTconInfo *);
328
d38d8c74 329extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
84afc29b
SF		 330extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
331 __u32 *);
b609f06a
SF		 332extern int cifs_verify_signature(struct smb_hdr *,
333 const struct mac_key *mac_key,
334 __u32 expected_sequence_number);
335extern int cifs_calculate_mac_key(struct mac_key *key, const char *rn,
336 const char *pass);
d38d8c74 337extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo *,
1717ffc5 338 const struct nls_table *);
26f57364 339extern void CalcNTLMv2_response(const struct cifsSesInfo *, char *);
d38d8c74 340extern void setup_ntlmv2_rsp(struct cifsSesInfo *, char *,
1717ffc5 341 const struct nls_table *);
7c7b25bc 342#ifdef CONFIG_CIFS_WEAK_PW_HASH
4e53a3fb
JL		 343extern void calc_lanman_hash(const char *password, const char *cryptkey,
344 bool encrypt, char *lnm_session_key);
7c7b25bc 345#endif /* CIFS_WEAK_PW_HASH */
1da177e4
LT		 346extern int CIFSSMBCopy(int xid,
347 struct cifsTconInfo *source_tcon,
348 const char *fromName,
349 const __u16 target_tid,
350 const char *toName, const int flags,
50c2f753 351 const struct nls_table *nls_codepage,
737b758c 352 int remap_special_chars);
50c2f753 353extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
d38d8c74
SF		 354 const int notify_subdirs, const __u16 netfid,
355 __u32 filter, struct file *file, int multishot,
167a251a 356 const struct nls_table *nls_codepage);
1da177e4 357extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
d38d8c74 358 const unsigned char *searchName, char *EAData,
737b758c
SF		 359 size_t bufsize, const struct nls_table *nls_codepage,
360 int remap_special_chars);
d38d8c74 361extern ssize_t CIFSSMBQueryEA(const int xid, struct cifsTconInfo *tcon,
50c2f753 362 const unsigned char *searchName, const unsigned char *ea_name,
d38d8c74 363 unsigned char *ea_value, size_t buf_size,
737b758c 364 const struct nls_table *nls_codepage, int remap_special_chars);
d38d8c74
SF		 365extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon,
366 const char *fileName, const char *ea_name,
367 const void *ea_value, const __u16 ea_value_len,
737b758c 368 const struct nls_table *nls_codepage, int remap_special_chars);
0a4b92c0 369extern int CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon,
630f3f0c 370 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
97837582
SF		 371extern int CIFSSMBSetCIFSACL(const int, struct cifsTconInfo *, __u16,
372 struct cifs_ntsd *, __u32);
1da177e4
LT		 373extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon,
374 const unsigned char *searchName,
d38d8c74 375 char *acl_inf, const int buflen, const int acl_type,
737b758c 376 const struct nls_table *nls_codepage, int remap_special_chars);
1da177e4
LT		 377extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon,
378 const unsigned char *fileName,
379 const char *local_acl, const int buflen, const int acl_type,
737b758c 380 const struct nls_table *nls_codepage, int remap_special_chars);
f654bac2 381extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon,
8840dee9 382 const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
1da177e4 383#endif /* _CIFSPROTO_H */
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