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