4 * Copyright (c) International Business Machines Corp., 2002,2008
5 * Author(s): Steve French (sfrench@us.ibm.com)
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.
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.
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
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #include <linux/nls.h>
29 *****************************************************************
31 *****************************************************************
34 extern struct smb_hdr
*cifs_buf_get(void);
35 extern void cifs_buf_release(void *);
36 extern struct smb_hdr
*cifs_small_buf_get(void);
37 extern void cifs_small_buf_release(void *);
38 extern int smb_send(struct TCP_Server_Info
*, struct smb_hdr
*,
39 unsigned int /* length */);
40 extern unsigned int _GetXid(void);
41 extern void _FreeXid(unsigned int);
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));}
44 extern char *build_path_from_dentry(struct dentry
*);
45 extern char *cifs_build_path_to_root(struct cifs_sb_info
*cifs_sb
);
46 extern char *build_wildcard_path_from_dentry(struct dentry
*direntry
);
47 extern char *cifs_compose_mount_options(const char *sb_mountdata
,
48 const char *fullpath
, const struct dfs_info3_param
*ref
,
50 /* extern void renew_parental_timestamps(struct dentry *direntry);*/
51 extern 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
);
55 extern int SendReceiveNoRsp(const unsigned int xid
, struct cifsSesInfo
*ses
,
56 struct smb_hdr
*in_buf
, int flags
);
57 extern int SendReceive2(const unsigned int /* xid */ , struct cifsSesInfo
*,
58 struct kvec
*, int /* nvec to send */,
59 int * /* type of buf returned */ , const int flags
);
60 extern int SendReceiveBlockingLock(const unsigned int xid
,
61 struct cifsTconInfo
*ptcon
,
62 struct smb_hdr
*in_buf
,
63 struct smb_hdr
*out_buf
,
65 extern int checkSMB(struct smb_hdr
*smb
, __u16 mid
, unsigned int length
);
66 extern bool is_valid_oplock_break(struct smb_hdr
*smb
,
67 struct TCP_Server_Info
*);
68 extern bool is_size_safe_to_change(struct cifsInodeInfo
*, __u64 eof
);
69 extern struct cifsFileInfo
*find_writable_file(struct cifsInodeInfo
*);
70 #ifdef CONFIG_CIFS_EXPERIMENTAL
71 extern struct cifsFileInfo
*find_readable_file(struct cifsInodeInfo
*);
73 extern unsigned int smbCalcSize(struct smb_hdr
*ptr
);
74 extern unsigned int smbCalcSize_LE(struct smb_hdr
*ptr
);
75 extern int decode_negTokenInit(unsigned char *security_blob
, int length
,
76 enum securityEnum
*secType
);
77 extern int cifs_convert_address(char *src
, void *dst
);
78 extern int map_smb_to_linux_error(struct smb_hdr
*smb
, int logErr
);
79 extern void header_assemble(struct smb_hdr
*, char /* command */ ,
80 const struct cifsTconInfo
*, int /* length of
81 fixed section (word count) in two byte units */);
82 extern int small_smb_init_no_tc(const int smb_cmd
, const int wct
,
83 struct cifsSesInfo
*ses
,
85 extern int CIFS_SessSetup(unsigned int xid
, struct cifsSesInfo
*ses
,
87 const struct nls_table
*nls_cp
);
88 extern __u16
GetNextMid(struct TCP_Server_Info
*server
);
89 extern struct timespec
cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601
);
90 extern u64
cifs_UnixTimeToNT(struct timespec
);
91 extern struct timespec
cnvrtDosUnixTm(__le16 le_date
, __le16 le_time
,
94 extern struct cifsFileInfo
*cifs_new_fileinfo(struct inode
*newinode
,
95 __u16 fileHandle
, struct file
*file
,
96 struct vfsmount
*mnt
, unsigned int oflags
);
97 extern int cifs_posix_open(char *full_path
, struct inode
**pinode
,
99 struct super_block
*sb
,
100 int mode
, int oflags
,
101 __u32
*poplock
, __u16
*pnetfid
, int xid
);
102 extern void cifs_unix_basic_to_fattr(struct cifs_fattr
*fattr
,
103 FILE_UNIX_BASIC_INFO
*info
,
104 struct cifs_sb_info
*cifs_sb
);
105 extern void cifs_fattr_to_inode(struct inode
*inode
, struct cifs_fattr
*fattr
);
106 extern struct inode
*cifs_iget(struct super_block
*sb
,
107 struct cifs_fattr
*fattr
);
109 extern int cifs_get_file_info(struct file
*filp
);
110 extern int cifs_get_inode_info(struct inode
**pinode
,
111 const unsigned char *search_path
,
112 FILE_ALL_INFO
*pfile_info
,
113 struct super_block
*sb
, int xid
, const __u16
*pfid
);
114 extern int cifs_get_file_info_unix(struct file
*filp
);
115 extern int cifs_get_inode_info_unix(struct inode
**pinode
,
116 const unsigned char *search_path
,
117 struct super_block
*sb
, int xid
);
118 extern void cifs_acl_to_fattr(struct cifs_sb_info
*cifs_sb
,
119 struct cifs_fattr
*fattr
, struct inode
*inode
,
120 const char *path
, const __u16
*pfid
);
121 extern int mode_to_acl(struct inode
*inode
, const char *path
, __u64
);
123 extern int cifs_mount(struct super_block
*, struct cifs_sb_info
*, char *,
125 extern int cifs_umount(struct super_block
*, struct cifs_sb_info
*);
126 extern void cifs_dfs_release_automount_timer(void);
127 void cifs_proc_init(void);
128 void cifs_proc_clean(void);
130 extern int cifs_setup_session(unsigned int xid
, struct cifsSesInfo
*pSesInfo
,
131 struct nls_table
*nls_info
);
132 extern int CIFSSMBNegotiate(unsigned int xid
, struct cifsSesInfo
*ses
);
134 extern int CIFSTCon(unsigned int xid
, struct cifsSesInfo
*ses
,
135 const char *tree
, struct cifsTconInfo
*tcon
,
136 const struct nls_table
*);
138 extern int CIFSFindFirst(const int xid
, struct cifsTconInfo
*tcon
,
139 const char *searchName
, const struct nls_table
*nls_codepage
,
140 __u16
*searchHandle
, struct cifs_search_info
*psrch_inf
,
141 int map
, const char dirsep
);
143 extern int CIFSFindNext(const int xid
, struct cifsTconInfo
*tcon
,
144 __u16 searchHandle
, struct cifs_search_info
*psrch_inf
);
146 extern int CIFSFindClose(const int, struct cifsTconInfo
*tcon
,
147 const __u16 search_handle
);
149 extern int CIFSSMBQFileInfo(const int xid
, struct cifsTconInfo
*tcon
,
150 u16 netfid
, FILE_ALL_INFO
*pFindData
);
151 extern int CIFSSMBQPathInfo(const int xid
, struct cifsTconInfo
*tcon
,
152 const unsigned char *searchName
,
153 FILE_ALL_INFO
*findData
,
154 int legacy
/* whether to use old info level */,
155 const struct nls_table
*nls_codepage
, int remap
);
156 extern int SMBQueryInformation(const int xid
, struct cifsTconInfo
*tcon
,
157 const unsigned char *searchName
,
158 FILE_ALL_INFO
*findData
,
159 const struct nls_table
*nls_codepage
, int remap
);
161 extern int CIFSSMBUnixQFileInfo(const int xid
, struct cifsTconInfo
*tcon
,
162 u16 netfid
, FILE_UNIX_BASIC_INFO
*pFindData
);
163 extern int CIFSSMBUnixQPathInfo(const int xid
,
164 struct cifsTconInfo
*tcon
,
165 const unsigned char *searchName
,
166 FILE_UNIX_BASIC_INFO
*pFindData
,
167 const struct nls_table
*nls_codepage
, int remap
);
169 extern int CIFSGetDFSRefer(const int xid
, struct cifsSesInfo
*ses
,
170 const unsigned char *searchName
,
171 struct dfs_info3_param
**target_nodes
,
172 unsigned int *number_of_nodes_in_array
,
173 const struct nls_table
*nls_codepage
, int remap
);
175 extern int get_dfs_path(int xid
, struct cifsSesInfo
*pSesInfo
,
176 const char *old_path
,
177 const struct nls_table
*nls_codepage
,
178 unsigned int *pnum_referrals
,
179 struct dfs_info3_param
**preferrals
,
181 extern void reset_cifs_unix_caps(int xid
, struct cifsTconInfo
*tcon
,
182 struct super_block
*sb
, struct smb_vol
*vol
);
183 extern int CIFSSMBQFSInfo(const int xid
, struct cifsTconInfo
*tcon
,
184 struct kstatfs
*FSData
);
185 extern int SMBOldQFSInfo(const int xid
, struct cifsTconInfo
*tcon
,
186 struct kstatfs
*FSData
);
187 extern int CIFSSMBSetFSUnixInfo(const int xid
, struct cifsTconInfo
*tcon
,
190 extern int CIFSSMBQFSAttributeInfo(const int xid
,
191 struct cifsTconInfo
*tcon
);
192 extern int CIFSSMBQFSDeviceInfo(const int xid
, struct cifsTconInfo
*tcon
);
193 extern int CIFSSMBQFSUnixInfo(const int xid
, struct cifsTconInfo
*tcon
);
194 extern int CIFSSMBQFSPosixInfo(const int xid
, struct cifsTconInfo
*tcon
,
195 struct kstatfs
*FSData
);
197 extern int CIFSSMBSetPathInfo(const int xid
, struct cifsTconInfo
*tcon
,
198 const char *fileName
, const FILE_BASIC_INFO
*data
,
199 const struct nls_table
*nls_codepage
,
200 int remap_special_chars
);
201 extern int CIFSSMBSetFileInfo(const int xid
, struct cifsTconInfo
*tcon
,
202 const FILE_BASIC_INFO
*data
, __u16 fid
,
203 __u32 pid_of_opener
);
204 extern int CIFSSMBSetFileDisposition(const int xid
, struct cifsTconInfo
*tcon
,
205 bool delete_file
, __u16 fid
, __u32 pid_of_opener
);
207 extern int CIFSSMBSetAttrLegacy(int xid
, struct cifsTconInfo
*tcon
,
208 char *fileName
, __u16 dos_attributes
,
209 const struct nls_table
*nls_codepage
);
210 #endif /* possibly unneeded function */
211 extern int CIFSSMBSetEOF(const int xid
, struct cifsTconInfo
*tcon
,
212 const char *fileName
, __u64 size
,
213 bool setAllocationSizeFlag
,
214 const struct nls_table
*nls_codepage
,
215 int remap_special_chars
);
216 extern int CIFSSMBSetFileSize(const int xid
, struct cifsTconInfo
*tcon
,
217 __u64 size
, __u16 fileHandle
, __u32 opener_pid
,
220 struct cifs_unix_set_info_args
{
230 extern int CIFSSMBUnixSetFileInfo(const int xid
, struct cifsTconInfo
*tcon
,
231 const struct cifs_unix_set_info_args
*args
,
232 u16 fid
, u32 pid_of_opener
);
234 extern int CIFSSMBUnixSetPathInfo(const int xid
, struct cifsTconInfo
*pTcon
,
236 const struct cifs_unix_set_info_args
*args
,
237 const struct nls_table
*nls_codepage
,
238 int remap_special_chars
);
240 extern int CIFSSMBMkDir(const int xid
, struct cifsTconInfo
*tcon
,
242 const struct nls_table
*nls_codepage
,
243 int remap_special_chars
);
244 extern int CIFSSMBRmDir(const int xid
, struct cifsTconInfo
*tcon
,
245 const char *name
, const struct nls_table
*nls_codepage
,
246 int remap_special_chars
);
247 extern int CIFSPOSIXDelFile(const int xid
, struct cifsTconInfo
*tcon
,
248 const char *name
, __u16 type
,
249 const struct nls_table
*nls_codepage
,
250 int remap_special_chars
);
251 extern int CIFSSMBDelFile(const int xid
, struct cifsTconInfo
*tcon
,
253 const struct nls_table
*nls_codepage
,
254 int remap_special_chars
);
255 extern int CIFSSMBRename(const int xid
, struct cifsTconInfo
*tcon
,
256 const char *fromName
, const char *toName
,
257 const struct nls_table
*nls_codepage
,
258 int remap_special_chars
);
259 extern int CIFSSMBRenameOpenFile(const int xid
, struct cifsTconInfo
*pTcon
,
260 int netfid
, const char *target_name
,
261 const struct nls_table
*nls_codepage
,
262 int remap_special_chars
);
263 extern int CIFSCreateHardLink(const int xid
,
264 struct cifsTconInfo
*tcon
,
265 const char *fromName
, const char *toName
,
266 const struct nls_table
*nls_codepage
,
267 int remap_special_chars
);
268 extern int CIFSUnixCreateHardLink(const int xid
,
269 struct cifsTconInfo
*tcon
,
270 const char *fromName
, const char *toName
,
271 const struct nls_table
*nls_codepage
,
272 int remap_special_chars
);
273 extern int CIFSUnixCreateSymLink(const int xid
,
274 struct cifsTconInfo
*tcon
,
275 const char *fromName
, const char *toName
,
276 const struct nls_table
*nls_codepage
);
277 extern int CIFSSMBUnixQuerySymLink(const int xid
,
278 struct cifsTconInfo
*tcon
,
279 const unsigned char *searchName
, char **syminfo
,
280 const struct nls_table
*nls_codepage
);
281 extern int CIFSSMBQueryReparseLinkInfo(const int xid
,
282 struct cifsTconInfo
*tcon
,
283 const unsigned char *searchName
,
284 char *symlinkinfo
, const int buflen
, __u16 fid
,
285 const struct nls_table
*nls_codepage
);
287 extern int CIFSSMBOpen(const int xid
, struct cifsTconInfo
*tcon
,
288 const char *fileName
, const int disposition
,
289 const int access_flags
, const int omode
,
290 __u16
*netfid
, int *pOplock
, FILE_ALL_INFO
*,
291 const struct nls_table
*nls_codepage
, int remap
);
292 extern int SMBLegacyOpen(const int xid
, struct cifsTconInfo
*tcon
,
293 const char *fileName
, const int disposition
,
294 const int access_flags
, const int omode
,
295 __u16
*netfid
, int *pOplock
, FILE_ALL_INFO
*,
296 const struct nls_table
*nls_codepage
, int remap
);
297 extern int CIFSPOSIXCreate(const int xid
, struct cifsTconInfo
*tcon
,
298 u32 posix_flags
, __u64 mode
, __u16
*netfid
,
299 FILE_UNIX_BASIC_INFO
*pRetData
,
300 __u32
*pOplock
, const char *name
,
301 const struct nls_table
*nls_codepage
, int remap
);
302 extern int CIFSSMBClose(const int xid
, struct cifsTconInfo
*tcon
,
303 const int smb_file_id
);
305 extern int CIFSSMBFlush(const int xid
, struct cifsTconInfo
*tcon
,
306 const int smb_file_id
);
308 extern int CIFSSMBRead(const int xid
, struct cifsTconInfo
*tcon
,
309 const int netfid
, unsigned int count
,
310 const __u64 lseek
, unsigned int *nbytes
, char **buf
,
311 int *return_buf_type
);
312 extern int CIFSSMBWrite(const int xid
, struct cifsTconInfo
*tcon
,
313 const int netfid
, const unsigned int count
,
314 const __u64 lseek
, unsigned int *nbytes
,
315 const char *buf
, const char __user
*ubuf
,
317 extern int CIFSSMBWrite2(const int xid
, struct cifsTconInfo
*tcon
,
318 const int netfid
, const unsigned int count
,
319 const __u64 offset
, unsigned int *nbytes
,
320 struct kvec
*iov
, const int nvec
, const int long_op
);
321 extern int CIFSGetSrvInodeNumber(const int xid
, struct cifsTconInfo
*tcon
,
322 const unsigned char *searchName
, __u64
*inode_number
,
323 const struct nls_table
*nls_codepage
,
324 int remap_special_chars
);
325 extern int cifsConvertToUCS(__le16
*target
, const char *source
, int maxlen
,
326 const struct nls_table
*cp
, int mapChars
);
328 extern int CIFSSMBLock(const int xid
, struct cifsTconInfo
*tcon
,
329 const __u16 netfid
, const __u64 len
,
330 const __u64 offset
, const __u32 numUnlock
,
331 const __u32 numLock
, const __u8 lockType
,
332 const bool waitFlag
, const __u8 oplock_level
);
333 extern int CIFSSMBPosixLock(const int xid
, struct cifsTconInfo
*tcon
,
334 const __u16 smb_file_id
, const int get_flag
,
335 const __u64 len
, struct file_lock
*,
336 const __u16 lock_type
, const bool waitFlag
);
337 extern int CIFSSMBTDis(const int xid
, struct cifsTconInfo
*tcon
);
338 extern int CIFSSMBLogoff(const int xid
, struct cifsSesInfo
*ses
);
340 extern struct cifsSesInfo
*sesInfoAlloc(void);
341 extern void sesInfoFree(struct cifsSesInfo
*);
342 extern struct cifsTconInfo
*tconInfoAlloc(void);
343 extern void tconInfoFree(struct cifsTconInfo
*);
345 extern int cifs_sign_smb(struct smb_hdr
*, struct TCP_Server_Info
*, __u32
*);
346 extern int cifs_sign_smb2(struct kvec
*iov
, int n_vec
, struct TCP_Server_Info
*,
348 extern int cifs_verify_signature(struct smb_hdr
*,
349 const struct mac_key
*mac_key
,
350 __u32 expected_sequence_number
);
351 extern int cifs_calculate_mac_key(struct mac_key
*key
, const char *rn
,
353 extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo
*,
354 const struct nls_table
*);
355 extern void CalcNTLMv2_response(const struct cifsSesInfo
*, char *);
356 extern void setup_ntlmv2_rsp(struct cifsSesInfo
*, char *,
357 const struct nls_table
*);
358 #ifdef CONFIG_CIFS_WEAK_PW_HASH
359 extern void calc_lanman_hash(const char *password
, const char *cryptkey
,
360 bool encrypt
, char *lnm_session_key
);
361 #endif /* CIFS_WEAK_PW_HASH */
362 extern int CIFSSMBCopy(int xid
,
363 struct cifsTconInfo
*source_tcon
,
364 const char *fromName
,
365 const __u16 target_tid
,
366 const char *toName
, const int flags
,
367 const struct nls_table
*nls_codepage
,
368 int remap_special_chars
);
369 extern int CIFSSMBNotify(const int xid
, struct cifsTconInfo
*tcon
,
370 const int notify_subdirs
, const __u16 netfid
,
371 __u32 filter
, struct file
*file
, int multishot
,
372 const struct nls_table
*nls_codepage
);
373 extern ssize_t
CIFSSMBQAllEAs(const int xid
, struct cifsTconInfo
*tcon
,
374 const unsigned char *searchName
,
375 const unsigned char *ea_name
, char *EAData
,
376 size_t bufsize
, const struct nls_table
*nls_codepage
,
377 int remap_special_chars
);
378 extern int CIFSSMBSetEA(const int xid
, struct cifsTconInfo
*tcon
,
379 const char *fileName
, const char *ea_name
,
380 const void *ea_value
, const __u16 ea_value_len
,
381 const struct nls_table
*nls_codepage
, int remap_special_chars
);
382 extern int CIFSSMBGetCIFSACL(const int xid
, struct cifsTconInfo
*tcon
,
383 __u16 fid
, struct cifs_ntsd
**acl_inf
, __u32
*buflen
);
384 extern int CIFSSMBSetCIFSACL(const int, struct cifsTconInfo
*, __u16
,
385 struct cifs_ntsd
*, __u32
);
386 extern int CIFSSMBGetPosixACL(const int xid
, struct cifsTconInfo
*tcon
,
387 const unsigned char *searchName
,
388 char *acl_inf
, const int buflen
, const int acl_type
,
389 const struct nls_table
*nls_codepage
, int remap_special_chars
);
390 extern int CIFSSMBSetPosixACL(const int xid
, struct cifsTconInfo
*tcon
,
391 const unsigned char *fileName
,
392 const char *local_acl
, const int buflen
, const int acl_type
,
393 const struct nls_table
*nls_codepage
, int remap_special_chars
);
394 extern int CIFSGetExtAttr(const int xid
, struct cifsTconInfo
*tcon
,
395 const int netfid
, __u64
*pExtAttrBits
, __u64
*pMask
);
396 extern void cifs_autodisable_serverino(struct cifs_sb_info
*cifs_sb
);
397 #endif /* _CIFSPROTO_H */