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);
44 int __xid = (int)_GetXid(); \
45 cFYI(1, "CIFS VFS: in %s as Xid: %d with uid: %d", \
46 __func__, __xid, current_fsuid()); \
50 #define FreeXid(curr_xid) \
53 cFYI(1, "CIFS VFS: leaving %s (xid = %d) rc = %d", \
54 __func__, curr_xid, (int)rc); \
56 extern char *build_path_from_dentry(struct dentry
*);
57 extern char *cifs_build_path_to_root(struct cifs_sb_info
*cifs_sb
,
58 struct cifsTconInfo
*tcon
);
59 extern char *build_wildcard_path_from_dentry(struct dentry
*direntry
);
60 extern char *cifs_compose_mount_options(const char *sb_mountdata
,
61 const char *fullpath
, const struct dfs_info3_param
*ref
,
63 /* extern void renew_parental_timestamps(struct dentry *direntry);*/
64 extern int SendReceive(const unsigned int /* xid */ , struct cifsSesInfo
*,
65 struct smb_hdr
* /* input */ ,
66 struct smb_hdr
* /* out */ ,
67 int * /* bytes returned */ , const int long_op
);
68 extern int SendReceiveNoRsp(const unsigned int xid
, struct cifsSesInfo
*ses
,
69 struct smb_hdr
*in_buf
, int flags
);
70 extern int SendReceive2(const unsigned int /* xid */ , struct cifsSesInfo
*,
71 struct kvec
*, int /* nvec to send */,
72 int * /* type of buf returned */ , const int flags
);
73 extern int SendReceiveBlockingLock(const unsigned int xid
,
74 struct cifsTconInfo
*ptcon
,
75 struct smb_hdr
*in_buf
,
76 struct smb_hdr
*out_buf
,
78 extern int checkSMB(struct smb_hdr
*smb
, __u16 mid
, unsigned int length
);
79 extern bool is_valid_oplock_break(struct smb_hdr
*smb
,
80 struct TCP_Server_Info
*);
81 extern bool is_size_safe_to_change(struct cifsInodeInfo
*, __u64 eof
);
82 extern struct cifsFileInfo
*find_writable_file(struct cifsInodeInfo
*, bool);
83 extern struct cifsFileInfo
*find_readable_file(struct cifsInodeInfo
*, bool);
84 extern unsigned int smbCalcSize(struct smb_hdr
*ptr
);
85 extern unsigned int smbCalcSize_LE(struct smb_hdr
*ptr
);
86 extern int decode_negTokenInit(unsigned char *security_blob
, int length
,
87 struct TCP_Server_Info
*server
);
88 extern int cifs_convert_address(struct sockaddr
*dst
, const char *src
, int len
);
89 extern int cifs_set_port(struct sockaddr
*addr
, const unsigned short int port
);
90 extern int cifs_fill_sockaddr(struct sockaddr
*dst
, const char *src
, int len
,
91 const unsigned short int port
);
92 extern int map_smb_to_linux_error(struct smb_hdr
*smb
, int logErr
);
93 extern void header_assemble(struct smb_hdr
*, char /* command */ ,
94 const struct cifsTconInfo
*, int /* length of
95 fixed section (word count) in two byte units */);
96 extern int small_smb_init_no_tc(const int smb_cmd
, const int wct
,
97 struct cifsSesInfo
*ses
,
99 extern int CIFS_SessSetup(unsigned int xid
, struct cifsSesInfo
*ses
,
100 const struct nls_table
*nls_cp
);
101 extern __u16
GetNextMid(struct TCP_Server_Info
*server
);
102 extern struct timespec
cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601
);
103 extern u64
cifs_UnixTimeToNT(struct timespec
);
104 extern struct timespec
cnvrtDosUnixTm(__le16 le_date
, __le16 le_time
,
106 extern void cifs_set_oplock_level(struct cifsInodeInfo
*cinode
, __u32 oplock
);
108 extern struct cifsFileInfo
*cifs_new_fileinfo(__u16 fileHandle
,
109 struct file
*file
, struct tcon_link
*tlink
,
111 extern int cifs_posix_open(char *full_path
, struct inode
**pinode
,
112 struct super_block
*sb
,
113 int mode
, unsigned int f_flags
,
114 __u32
*poplock
, __u16
*pnetfid
, int xid
);
115 void cifs_fill_uniqueid(struct super_block
*sb
, struct cifs_fattr
*fattr
);
116 extern void cifs_unix_basic_to_fattr(struct cifs_fattr
*fattr
,
117 FILE_UNIX_BASIC_INFO
*info
,
118 struct cifs_sb_info
*cifs_sb
);
119 extern void cifs_fattr_to_inode(struct inode
*inode
, struct cifs_fattr
*fattr
);
120 extern struct inode
*cifs_iget(struct super_block
*sb
,
121 struct cifs_fattr
*fattr
);
123 extern int cifs_get_file_info(struct file
*filp
);
124 extern int cifs_get_inode_info(struct inode
**pinode
,
125 const unsigned char *search_path
,
126 FILE_ALL_INFO
*pfile_info
,
127 struct super_block
*sb
, int xid
, const __u16
*pfid
);
128 extern int cifs_get_file_info_unix(struct file
*filp
);
129 extern int cifs_get_inode_info_unix(struct inode
**pinode
,
130 const unsigned char *search_path
,
131 struct super_block
*sb
, int xid
);
132 extern int cifs_acl_to_fattr(struct cifs_sb_info
*cifs_sb
,
133 struct cifs_fattr
*fattr
, struct inode
*inode
,
134 const char *path
, const __u16
*pfid
);
135 extern int mode_to_cifs_acl(struct inode
*inode
, const char *path
, __u64
);
136 extern struct cifs_ntsd
*get_cifs_acl(struct cifs_sb_info
*, struct inode
*,
137 const char *, u32
*);
139 extern int cifs_mount(struct super_block
*, struct cifs_sb_info
*, char *,
141 extern int cifs_umount(struct super_block
*, struct cifs_sb_info
*);
142 extern void cifs_dfs_release_automount_timer(void);
143 void cifs_proc_init(void);
144 void cifs_proc_clean(void);
146 extern int cifs_negotiate_protocol(unsigned int xid
,
147 struct cifsSesInfo
*ses
);
148 extern int cifs_setup_session(unsigned int xid
, struct cifsSesInfo
*ses
,
149 struct nls_table
*nls_info
);
150 extern int CIFSSMBNegotiate(unsigned int xid
, struct cifsSesInfo
*ses
);
152 extern int CIFSTCon(unsigned int xid
, struct cifsSesInfo
*ses
,
153 const char *tree
, struct cifsTconInfo
*tcon
,
154 const struct nls_table
*);
156 extern int CIFSFindFirst(const int xid
, struct cifsTconInfo
*tcon
,
157 const char *searchName
, const struct nls_table
*nls_codepage
,
158 __u16
*searchHandle
, struct cifs_search_info
*psrch_inf
,
159 int map
, const char dirsep
);
161 extern int CIFSFindNext(const int xid
, struct cifsTconInfo
*tcon
,
162 __u16 searchHandle
, struct cifs_search_info
*psrch_inf
);
164 extern int CIFSFindClose(const int, struct cifsTconInfo
*tcon
,
165 const __u16 search_handle
);
167 extern int CIFSSMBQFileInfo(const int xid
, struct cifsTconInfo
*tcon
,
168 u16 netfid
, FILE_ALL_INFO
*pFindData
);
169 extern int CIFSSMBQPathInfo(const int xid
, struct cifsTconInfo
*tcon
,
170 const unsigned char *searchName
,
171 FILE_ALL_INFO
*findData
,
172 int legacy
/* whether to use old info level */,
173 const struct nls_table
*nls_codepage
, int remap
);
174 extern int SMBQueryInformation(const int xid
, struct cifsTconInfo
*tcon
,
175 const unsigned char *searchName
,
176 FILE_ALL_INFO
*findData
,
177 const struct nls_table
*nls_codepage
, int remap
);
179 extern int CIFSSMBUnixQFileInfo(const int xid
, struct cifsTconInfo
*tcon
,
180 u16 netfid
, FILE_UNIX_BASIC_INFO
*pFindData
);
181 extern int CIFSSMBUnixQPathInfo(const int xid
,
182 struct cifsTconInfo
*tcon
,
183 const unsigned char *searchName
,
184 FILE_UNIX_BASIC_INFO
*pFindData
,
185 const struct nls_table
*nls_codepage
, int remap
);
187 extern int CIFSGetDFSRefer(const int xid
, struct cifsSesInfo
*ses
,
188 const unsigned char *searchName
,
189 struct dfs_info3_param
**target_nodes
,
190 unsigned int *number_of_nodes_in_array
,
191 const struct nls_table
*nls_codepage
, int remap
);
193 extern int get_dfs_path(int xid
, struct cifsSesInfo
*pSesInfo
,
194 const char *old_path
,
195 const struct nls_table
*nls_codepage
,
196 unsigned int *pnum_referrals
,
197 struct dfs_info3_param
**preferrals
,
199 extern void reset_cifs_unix_caps(int xid
, struct cifsTconInfo
*tcon
,
200 struct super_block
*sb
, struct smb_vol
*vol
);
201 extern int CIFSSMBQFSInfo(const int xid
, struct cifsTconInfo
*tcon
,
202 struct kstatfs
*FSData
);
203 extern int SMBOldQFSInfo(const int xid
, struct cifsTconInfo
*tcon
,
204 struct kstatfs
*FSData
);
205 extern int CIFSSMBSetFSUnixInfo(const int xid
, struct cifsTconInfo
*tcon
,
208 extern int CIFSSMBQFSAttributeInfo(const int xid
,
209 struct cifsTconInfo
*tcon
);
210 extern int CIFSSMBQFSDeviceInfo(const int xid
, struct cifsTconInfo
*tcon
);
211 extern int CIFSSMBQFSUnixInfo(const int xid
, struct cifsTconInfo
*tcon
);
212 extern int CIFSSMBQFSPosixInfo(const int xid
, struct cifsTconInfo
*tcon
,
213 struct kstatfs
*FSData
);
215 extern int CIFSSMBSetPathInfo(const int xid
, struct cifsTconInfo
*tcon
,
216 const char *fileName
, const FILE_BASIC_INFO
*data
,
217 const struct nls_table
*nls_codepage
,
218 int remap_special_chars
);
219 extern int CIFSSMBSetFileInfo(const int xid
, struct cifsTconInfo
*tcon
,
220 const FILE_BASIC_INFO
*data
, __u16 fid
,
221 __u32 pid_of_opener
);
222 extern int CIFSSMBSetFileDisposition(const int xid
, struct cifsTconInfo
*tcon
,
223 bool delete_file
, __u16 fid
, __u32 pid_of_opener
);
225 extern int CIFSSMBSetAttrLegacy(int xid
, struct cifsTconInfo
*tcon
,
226 char *fileName
, __u16 dos_attributes
,
227 const struct nls_table
*nls_codepage
);
228 #endif /* possibly unneeded function */
229 extern int CIFSSMBSetEOF(const int xid
, struct cifsTconInfo
*tcon
,
230 const char *fileName
, __u64 size
,
231 bool setAllocationSizeFlag
,
232 const struct nls_table
*nls_codepage
,
233 int remap_special_chars
);
234 extern int CIFSSMBSetFileSize(const int xid
, struct cifsTconInfo
*tcon
,
235 __u64 size
, __u16 fileHandle
, __u32 opener_pid
,
238 struct cifs_unix_set_info_args
{
248 extern int CIFSSMBUnixSetFileInfo(const int xid
, struct cifsTconInfo
*tcon
,
249 const struct cifs_unix_set_info_args
*args
,
250 u16 fid
, u32 pid_of_opener
);
252 extern int CIFSSMBUnixSetPathInfo(const int xid
, struct cifsTconInfo
*pTcon
,
254 const struct cifs_unix_set_info_args
*args
,
255 const struct nls_table
*nls_codepage
,
256 int remap_special_chars
);
258 extern int CIFSSMBMkDir(const int xid
, struct cifsTconInfo
*tcon
,
260 const struct nls_table
*nls_codepage
,
261 int remap_special_chars
);
262 extern int CIFSSMBRmDir(const int xid
, struct cifsTconInfo
*tcon
,
263 const char *name
, const struct nls_table
*nls_codepage
,
264 int remap_special_chars
);
265 extern int CIFSPOSIXDelFile(const int xid
, struct cifsTconInfo
*tcon
,
266 const char *name
, __u16 type
,
267 const struct nls_table
*nls_codepage
,
268 int remap_special_chars
);
269 extern int CIFSSMBDelFile(const int xid
, struct cifsTconInfo
*tcon
,
271 const struct nls_table
*nls_codepage
,
272 int remap_special_chars
);
273 extern int CIFSSMBRename(const int xid
, struct cifsTconInfo
*tcon
,
274 const char *fromName
, const char *toName
,
275 const struct nls_table
*nls_codepage
,
276 int remap_special_chars
);
277 extern int CIFSSMBRenameOpenFile(const int xid
, struct cifsTconInfo
*pTcon
,
278 int netfid
, const char *target_name
,
279 const struct nls_table
*nls_codepage
,
280 int remap_special_chars
);
281 extern int CIFSCreateHardLink(const int xid
,
282 struct cifsTconInfo
*tcon
,
283 const char *fromName
, const char *toName
,
284 const struct nls_table
*nls_codepage
,
285 int remap_special_chars
);
286 extern int CIFSUnixCreateHardLink(const int xid
,
287 struct cifsTconInfo
*tcon
,
288 const char *fromName
, const char *toName
,
289 const struct nls_table
*nls_codepage
,
290 int remap_special_chars
);
291 extern int CIFSUnixCreateSymLink(const int xid
,
292 struct cifsTconInfo
*tcon
,
293 const char *fromName
, const char *toName
,
294 const struct nls_table
*nls_codepage
);
295 extern int CIFSSMBUnixQuerySymLink(const int xid
,
296 struct cifsTconInfo
*tcon
,
297 const unsigned char *searchName
, char **syminfo
,
298 const struct nls_table
*nls_codepage
);
299 extern int CIFSSMBQueryReparseLinkInfo(const int xid
,
300 struct cifsTconInfo
*tcon
,
301 const unsigned char *searchName
,
302 char *symlinkinfo
, const int buflen
, __u16 fid
,
303 const struct nls_table
*nls_codepage
);
305 extern int CIFSSMBOpen(const int xid
, struct cifsTconInfo
*tcon
,
306 const char *fileName
, const int disposition
,
307 const int access_flags
, const int omode
,
308 __u16
*netfid
, int *pOplock
, FILE_ALL_INFO
*,
309 const struct nls_table
*nls_codepage
, int remap
);
310 extern int SMBLegacyOpen(const int xid
, struct cifsTconInfo
*tcon
,
311 const char *fileName
, const int disposition
,
312 const int access_flags
, const int omode
,
313 __u16
*netfid
, int *pOplock
, FILE_ALL_INFO
*,
314 const struct nls_table
*nls_codepage
, int remap
);
315 extern int CIFSPOSIXCreate(const int xid
, struct cifsTconInfo
*tcon
,
316 u32 posix_flags
, __u64 mode
, __u16
*netfid
,
317 FILE_UNIX_BASIC_INFO
*pRetData
,
318 __u32
*pOplock
, const char *name
,
319 const struct nls_table
*nls_codepage
, int remap
);
320 extern int CIFSSMBClose(const int xid
, struct cifsTconInfo
*tcon
,
321 const int smb_file_id
);
323 extern int CIFSSMBFlush(const int xid
, struct cifsTconInfo
*tcon
,
324 const int smb_file_id
);
326 extern int CIFSSMBRead(const int xid
, struct cifsTconInfo
*tcon
,
327 const int netfid
, unsigned int count
,
328 const __u64 lseek
, unsigned int *nbytes
, char **buf
,
329 int *return_buf_type
);
330 extern int CIFSSMBWrite(const int xid
, struct cifsTconInfo
*tcon
,
331 const int netfid
, const unsigned int count
,
332 const __u64 lseek
, unsigned int *nbytes
,
333 const char *buf
, const char __user
*ubuf
,
335 extern int CIFSSMBWrite2(const int xid
, struct cifsTconInfo
*tcon
,
336 const int netfid
, const unsigned int count
,
337 const __u64 offset
, unsigned int *nbytes
,
338 struct kvec
*iov
, const int nvec
, const int long_op
);
339 extern int CIFSGetSrvInodeNumber(const int xid
, struct cifsTconInfo
*tcon
,
340 const unsigned char *searchName
, __u64
*inode_number
,
341 const struct nls_table
*nls_codepage
,
342 int remap_special_chars
);
343 extern int cifsConvertToUCS(__le16
*target
, const char *source
, int maxlen
,
344 const struct nls_table
*cp
, int mapChars
);
346 extern int CIFSSMBLock(const int xid
, struct cifsTconInfo
*tcon
,
347 const __u16 netfid
, const __u64 len
,
348 const __u64 offset
, const __u32 numUnlock
,
349 const __u32 numLock
, const __u8 lockType
,
350 const bool waitFlag
);
351 extern int CIFSSMBPosixLock(const int xid
, struct cifsTconInfo
*tcon
,
352 const __u16 smb_file_id
, const int get_flag
,
353 const __u64 len
, struct file_lock
*,
354 const __u16 lock_type
, const bool waitFlag
);
355 extern int CIFSSMBTDis(const int xid
, struct cifsTconInfo
*tcon
);
356 extern int CIFSSMBLogoff(const int xid
, struct cifsSesInfo
*ses
);
358 extern struct cifsSesInfo
*sesInfoAlloc(void);
359 extern void sesInfoFree(struct cifsSesInfo
*);
360 extern struct cifsTconInfo
*tconInfoAlloc(void);
361 extern void tconInfoFree(struct cifsTconInfo
*);
363 extern int cifs_sign_smb(struct smb_hdr
*, struct TCP_Server_Info
*, __u32
*);
364 extern int cifs_sign_smb2(struct kvec
*iov
, int n_vec
, struct TCP_Server_Info
*,
366 extern int cifs_verify_signature(struct smb_hdr
*,
367 struct TCP_Server_Info
*server
,
368 __u32 expected_sequence_number
);
369 extern void SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *);
370 extern int setup_ntlm_response(struct cifsSesInfo
*);
371 extern int setup_ntlmv2_rsp(struct cifsSesInfo
*, const struct nls_table
*);
372 extern int cifs_crypto_shash_allocate(struct TCP_Server_Info
*);
373 extern void cifs_crypto_shash_release(struct TCP_Server_Info
*);
374 extern int calc_seckey(struct cifsSesInfo
*);
376 #ifdef CONFIG_CIFS_WEAK_PW_HASH
377 extern void calc_lanman_hash(const char *password
, const char *cryptkey
,
378 bool encrypt
, char *lnm_session_key
);
379 #endif /* CIFS_WEAK_PW_HASH */
380 extern int CIFSSMBCopy(int xid
,
381 struct cifsTconInfo
*source_tcon
,
382 const char *fromName
,
383 const __u16 target_tid
,
384 const char *toName
, const int flags
,
385 const struct nls_table
*nls_codepage
,
386 int remap_special_chars
);
387 extern int CIFSSMBNotify(const int xid
, struct cifsTconInfo
*tcon
,
388 const int notify_subdirs
, const __u16 netfid
,
389 __u32 filter
, struct file
*file
, int multishot
,
390 const struct nls_table
*nls_codepage
);
391 extern ssize_t
CIFSSMBQAllEAs(const int xid
, struct cifsTconInfo
*tcon
,
392 const unsigned char *searchName
,
393 const unsigned char *ea_name
, char *EAData
,
394 size_t bufsize
, const struct nls_table
*nls_codepage
,
395 int remap_special_chars
);
396 extern int CIFSSMBSetEA(const int xid
, struct cifsTconInfo
*tcon
,
397 const char *fileName
, const char *ea_name
,
398 const void *ea_value
, const __u16 ea_value_len
,
399 const struct nls_table
*nls_codepage
, int remap_special_chars
);
400 extern int CIFSSMBGetCIFSACL(const int xid
, struct cifsTconInfo
*tcon
,
401 __u16 fid
, struct cifs_ntsd
**acl_inf
, __u32
*buflen
);
402 extern int CIFSSMBSetCIFSACL(const int, struct cifsTconInfo
*, __u16
,
403 struct cifs_ntsd
*, __u32
);
404 extern int CIFSSMBGetPosixACL(const int xid
, struct cifsTconInfo
*tcon
,
405 const unsigned char *searchName
,
406 char *acl_inf
, const int buflen
, const int acl_type
,
407 const struct nls_table
*nls_codepage
, int remap_special_chars
);
408 extern int CIFSSMBSetPosixACL(const int xid
, struct cifsTconInfo
*tcon
,
409 const unsigned char *fileName
,
410 const char *local_acl
, const int buflen
, const int acl_type
,
411 const struct nls_table
*nls_codepage
, int remap_special_chars
);
412 extern int CIFSGetExtAttr(const int xid
, struct cifsTconInfo
*tcon
,
413 const int netfid
, __u64
*pExtAttrBits
, __u64
*pMask
);
414 extern void cifs_autodisable_serverino(struct cifs_sb_info
*cifs_sb
);
415 extern bool CIFSCouldBeMFSymlink(const struct cifs_fattr
*fattr
);
416 extern int CIFSCheckMFSymlink(struct cifs_fattr
*fattr
,
417 const unsigned char *path
,
418 struct cifs_sb_info
*cifs_sb
, int xid
);
419 #endif /* _CIFSPROTO_H */