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
*);
82 #ifdef CONFIG_CIFS_EXPERIMENTAL
83 extern struct cifsFileInfo
*find_readable_file(struct cifsInodeInfo
*);
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
, char *src
);
90 extern int cifs_fill_sockaddr(struct sockaddr
*dst
, char *src
,
91 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
,
107 extern struct cifsFileInfo
*cifs_new_fileinfo(struct inode
*newinode
,
108 __u16 fileHandle
, struct file
*file
,
109 struct vfsmount
*mnt
, unsigned int oflags
);
110 extern int cifs_posix_open(char *full_path
, struct inode
**pinode
,
111 struct super_block
*sb
,
112 int mode
, int oflags
,
113 __u32
*poplock
, __u16
*pnetfid
, int xid
);
114 void cifs_fill_uniqueid(struct super_block
*sb
, struct cifs_fattr
*fattr
);
115 extern void cifs_unix_basic_to_fattr(struct cifs_fattr
*fattr
,
116 FILE_UNIX_BASIC_INFO
*info
,
117 struct cifs_sb_info
*cifs_sb
);
118 extern void cifs_fattr_to_inode(struct inode
*inode
, struct cifs_fattr
*fattr
);
119 extern struct inode
*cifs_iget(struct super_block
*sb
,
120 struct cifs_fattr
*fattr
);
122 extern int cifs_get_file_info(struct file
*filp
);
123 extern int cifs_get_inode_info(struct inode
**pinode
,
124 const unsigned char *search_path
,
125 FILE_ALL_INFO
*pfile_info
,
126 struct super_block
*sb
, int xid
, const __u16
*pfid
);
127 extern int cifs_get_file_info_unix(struct file
*filp
);
128 extern int cifs_get_inode_info_unix(struct inode
**pinode
,
129 const unsigned char *search_path
,
130 struct super_block
*sb
, int xid
);
131 extern void cifs_acl_to_fattr(struct cifs_sb_info
*cifs_sb
,
132 struct cifs_fattr
*fattr
, struct inode
*inode
,
133 const char *path
, const __u16
*pfid
);
134 extern int mode_to_acl(struct inode
*inode
, const char *path
, __u64
);
136 extern int cifs_mount(struct super_block
*, struct cifs_sb_info
*, char *,
138 extern int cifs_umount(struct super_block
*, struct cifs_sb_info
*);
139 extern void cifs_dfs_release_automount_timer(void);
140 void cifs_proc_init(void);
141 void cifs_proc_clean(void);
143 extern int cifs_negotiate_protocol(unsigned int xid
,
144 struct cifsSesInfo
*ses
);
145 extern int cifs_setup_session(unsigned int xid
, struct cifsSesInfo
*ses
,
146 struct nls_table
*nls_info
);
147 extern int CIFSSMBNegotiate(unsigned int xid
, struct cifsSesInfo
*ses
);
149 extern int CIFSTCon(unsigned int xid
, struct cifsSesInfo
*ses
,
150 const char *tree
, struct cifsTconInfo
*tcon
,
151 const struct nls_table
*);
153 extern int CIFSFindFirst(const int xid
, struct cifsTconInfo
*tcon
,
154 const char *searchName
, const struct nls_table
*nls_codepage
,
155 __u16
*searchHandle
, struct cifs_search_info
*psrch_inf
,
156 int map
, const char dirsep
);
158 extern int CIFSFindNext(const int xid
, struct cifsTconInfo
*tcon
,
159 __u16 searchHandle
, struct cifs_search_info
*psrch_inf
);
161 extern int CIFSFindClose(const int, struct cifsTconInfo
*tcon
,
162 const __u16 search_handle
);
164 extern int CIFSSMBQFileInfo(const int xid
, struct cifsTconInfo
*tcon
,
165 u16 netfid
, FILE_ALL_INFO
*pFindData
);
166 extern int CIFSSMBQPathInfo(const int xid
, struct cifsTconInfo
*tcon
,
167 const unsigned char *searchName
,
168 FILE_ALL_INFO
*findData
,
169 int legacy
/* whether to use old info level */,
170 const struct nls_table
*nls_codepage
, int remap
);
171 extern int SMBQueryInformation(const int xid
, struct cifsTconInfo
*tcon
,
172 const unsigned char *searchName
,
173 FILE_ALL_INFO
*findData
,
174 const struct nls_table
*nls_codepage
, int remap
);
176 extern int CIFSSMBUnixQFileInfo(const int xid
, struct cifsTconInfo
*tcon
,
177 u16 netfid
, FILE_UNIX_BASIC_INFO
*pFindData
);
178 extern int CIFSSMBUnixQPathInfo(const int xid
,
179 struct cifsTconInfo
*tcon
,
180 const unsigned char *searchName
,
181 FILE_UNIX_BASIC_INFO
*pFindData
,
182 const struct nls_table
*nls_codepage
, int remap
);
184 extern int CIFSGetDFSRefer(const int xid
, struct cifsSesInfo
*ses
,
185 const unsigned char *searchName
,
186 struct dfs_info3_param
**target_nodes
,
187 unsigned int *number_of_nodes_in_array
,
188 const struct nls_table
*nls_codepage
, int remap
);
190 extern int get_dfs_path(int xid
, struct cifsSesInfo
*pSesInfo
,
191 const char *old_path
,
192 const struct nls_table
*nls_codepage
,
193 unsigned int *pnum_referrals
,
194 struct dfs_info3_param
**preferrals
,
196 extern void reset_cifs_unix_caps(int xid
, struct cifsTconInfo
*tcon
,
197 struct super_block
*sb
, struct smb_vol
*vol
);
198 extern int CIFSSMBQFSInfo(const int xid
, struct cifsTconInfo
*tcon
,
199 struct kstatfs
*FSData
);
200 extern int SMBOldQFSInfo(const int xid
, struct cifsTconInfo
*tcon
,
201 struct kstatfs
*FSData
);
202 extern int CIFSSMBSetFSUnixInfo(const int xid
, struct cifsTconInfo
*tcon
,
205 extern int CIFSSMBQFSAttributeInfo(const int xid
,
206 struct cifsTconInfo
*tcon
);
207 extern int CIFSSMBQFSDeviceInfo(const int xid
, struct cifsTconInfo
*tcon
);
208 extern int CIFSSMBQFSUnixInfo(const int xid
, struct cifsTconInfo
*tcon
);
209 extern int CIFSSMBQFSPosixInfo(const int xid
, struct cifsTconInfo
*tcon
,
210 struct kstatfs
*FSData
);
212 extern int CIFSSMBSetPathInfo(const int xid
, struct cifsTconInfo
*tcon
,
213 const char *fileName
, const FILE_BASIC_INFO
*data
,
214 const struct nls_table
*nls_codepage
,
215 int remap_special_chars
);
216 extern int CIFSSMBSetFileInfo(const int xid
, struct cifsTconInfo
*tcon
,
217 const FILE_BASIC_INFO
*data
, __u16 fid
,
218 __u32 pid_of_opener
);
219 extern int CIFSSMBSetFileDisposition(const int xid
, struct cifsTconInfo
*tcon
,
220 bool delete_file
, __u16 fid
, __u32 pid_of_opener
);
222 extern int CIFSSMBSetAttrLegacy(int xid
, struct cifsTconInfo
*tcon
,
223 char *fileName
, __u16 dos_attributes
,
224 const struct nls_table
*nls_codepage
);
225 #endif /* possibly unneeded function */
226 extern int CIFSSMBSetEOF(const int xid
, struct cifsTconInfo
*tcon
,
227 const char *fileName
, __u64 size
,
228 bool setAllocationSizeFlag
,
229 const struct nls_table
*nls_codepage
,
230 int remap_special_chars
);
231 extern int CIFSSMBSetFileSize(const int xid
, struct cifsTconInfo
*tcon
,
232 __u64 size
, __u16 fileHandle
, __u32 opener_pid
,
235 struct cifs_unix_set_info_args
{
245 extern int CIFSSMBUnixSetFileInfo(const int xid
, struct cifsTconInfo
*tcon
,
246 const struct cifs_unix_set_info_args
*args
,
247 u16 fid
, u32 pid_of_opener
);
249 extern int CIFSSMBUnixSetPathInfo(const int xid
, struct cifsTconInfo
*pTcon
,
251 const struct cifs_unix_set_info_args
*args
,
252 const struct nls_table
*nls_codepage
,
253 int remap_special_chars
);
255 extern int CIFSSMBMkDir(const int xid
, struct cifsTconInfo
*tcon
,
257 const struct nls_table
*nls_codepage
,
258 int remap_special_chars
);
259 extern int CIFSSMBRmDir(const int xid
, struct cifsTconInfo
*tcon
,
260 const char *name
, const struct nls_table
*nls_codepage
,
261 int remap_special_chars
);
262 extern int CIFSPOSIXDelFile(const int xid
, struct cifsTconInfo
*tcon
,
263 const char *name
, __u16 type
,
264 const struct nls_table
*nls_codepage
,
265 int remap_special_chars
);
266 extern int CIFSSMBDelFile(const int xid
, struct cifsTconInfo
*tcon
,
268 const struct nls_table
*nls_codepage
,
269 int remap_special_chars
);
270 extern int CIFSSMBRename(const int xid
, struct cifsTconInfo
*tcon
,
271 const char *fromName
, const char *toName
,
272 const struct nls_table
*nls_codepage
,
273 int remap_special_chars
);
274 extern int CIFSSMBRenameOpenFile(const int xid
, struct cifsTconInfo
*pTcon
,
275 int netfid
, const char *target_name
,
276 const struct nls_table
*nls_codepage
,
277 int remap_special_chars
);
278 extern int CIFSCreateHardLink(const int xid
,
279 struct cifsTconInfo
*tcon
,
280 const char *fromName
, const char *toName
,
281 const struct nls_table
*nls_codepage
,
282 int remap_special_chars
);
283 extern int CIFSUnixCreateHardLink(const int xid
,
284 struct cifsTconInfo
*tcon
,
285 const char *fromName
, const char *toName
,
286 const struct nls_table
*nls_codepage
,
287 int remap_special_chars
);
288 extern int CIFSUnixCreateSymLink(const int xid
,
289 struct cifsTconInfo
*tcon
,
290 const char *fromName
, const char *toName
,
291 const struct nls_table
*nls_codepage
);
292 extern int CIFSSMBUnixQuerySymLink(const int xid
,
293 struct cifsTconInfo
*tcon
,
294 const unsigned char *searchName
, char **syminfo
,
295 const struct nls_table
*nls_codepage
);
296 extern int CIFSSMBQueryReparseLinkInfo(const int xid
,
297 struct cifsTconInfo
*tcon
,
298 const unsigned char *searchName
,
299 char *symlinkinfo
, const int buflen
, __u16 fid
,
300 const struct nls_table
*nls_codepage
);
302 extern int CIFSSMBOpen(const int xid
, struct cifsTconInfo
*tcon
,
303 const char *fileName
, const int disposition
,
304 const int access_flags
, const int omode
,
305 __u16
*netfid
, int *pOplock
, FILE_ALL_INFO
*,
306 const struct nls_table
*nls_codepage
, int remap
);
307 extern int SMBLegacyOpen(const int xid
, struct cifsTconInfo
*tcon
,
308 const char *fileName
, const int disposition
,
309 const int access_flags
, const int omode
,
310 __u16
*netfid
, int *pOplock
, FILE_ALL_INFO
*,
311 const struct nls_table
*nls_codepage
, int remap
);
312 extern int CIFSPOSIXCreate(const int xid
, struct cifsTconInfo
*tcon
,
313 u32 posix_flags
, __u64 mode
, __u16
*netfid
,
314 FILE_UNIX_BASIC_INFO
*pRetData
,
315 __u32
*pOplock
, const char *name
,
316 const struct nls_table
*nls_codepage
, int remap
);
317 extern int CIFSSMBClose(const int xid
, struct cifsTconInfo
*tcon
,
318 const int smb_file_id
);
320 extern int CIFSSMBFlush(const int xid
, struct cifsTconInfo
*tcon
,
321 const int smb_file_id
);
323 extern int CIFSSMBRead(const int xid
, struct cifsTconInfo
*tcon
,
324 const int netfid
, unsigned int count
,
325 const __u64 lseek
, unsigned int *nbytes
, char **buf
,
326 int *return_buf_type
);
327 extern int CIFSSMBWrite(const int xid
, struct cifsTconInfo
*tcon
,
328 const int netfid
, const unsigned int count
,
329 const __u64 lseek
, unsigned int *nbytes
,
330 const char *buf
, const char __user
*ubuf
,
332 extern int CIFSSMBWrite2(const int xid
, struct cifsTconInfo
*tcon
,
333 const int netfid
, const unsigned int count
,
334 const __u64 offset
, unsigned int *nbytes
,
335 struct kvec
*iov
, const int nvec
, const int long_op
);
336 extern int CIFSGetSrvInodeNumber(const int xid
, struct cifsTconInfo
*tcon
,
337 const unsigned char *searchName
, __u64
*inode_number
,
338 const struct nls_table
*nls_codepage
,
339 int remap_special_chars
);
340 extern int cifsConvertToUCS(__le16
*target
, const char *source
, int maxlen
,
341 const struct nls_table
*cp
, int mapChars
);
343 extern int CIFSSMBLock(const int xid
, struct cifsTconInfo
*tcon
,
344 const __u16 netfid
, const __u64 len
,
345 const __u64 offset
, const __u32 numUnlock
,
346 const __u32 numLock
, const __u8 lockType
,
347 const bool waitFlag
);
348 extern int CIFSSMBPosixLock(const int xid
, struct cifsTconInfo
*tcon
,
349 const __u16 smb_file_id
, const int get_flag
,
350 const __u64 len
, struct file_lock
*,
351 const __u16 lock_type
, const bool waitFlag
);
352 extern int CIFSSMBTDis(const int xid
, struct cifsTconInfo
*tcon
);
353 extern int CIFSSMBLogoff(const int xid
, struct cifsSesInfo
*ses
);
355 extern struct cifsSesInfo
*sesInfoAlloc(void);
356 extern void sesInfoFree(struct cifsSesInfo
*);
357 extern struct cifsTconInfo
*tconInfoAlloc(void);
358 extern void tconInfoFree(struct cifsTconInfo
*);
360 extern int cifs_sign_smb(struct smb_hdr
*, struct TCP_Server_Info
*, __u32
*);
361 extern int cifs_sign_smb2(struct kvec
*iov
, int n_vec
, struct TCP_Server_Info
*,
363 extern int cifs_verify_signature(struct smb_hdr
*,
364 const struct mac_key
*mac_key
,
365 __u32 expected_sequence_number
);
366 extern int cifs_calculate_mac_key(struct mac_key
*key
, const char *rn
,
368 extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo
*,
369 const struct nls_table
*);
370 extern void CalcNTLMv2_response(const struct cifsSesInfo
*, char *);
371 extern void setup_ntlmv2_rsp(struct cifsSesInfo
*, char *,
372 const struct nls_table
*);
373 #ifdef CONFIG_CIFS_WEAK_PW_HASH
374 extern void calc_lanman_hash(const char *password
, const char *cryptkey
,
375 bool encrypt
, char *lnm_session_key
);
376 #endif /* CIFS_WEAK_PW_HASH */
377 extern int CIFSSMBCopy(int xid
,
378 struct cifsTconInfo
*source_tcon
,
379 const char *fromName
,
380 const __u16 target_tid
,
381 const char *toName
, const int flags
,
382 const struct nls_table
*nls_codepage
,
383 int remap_special_chars
);
384 extern int CIFSSMBNotify(const int xid
, struct cifsTconInfo
*tcon
,
385 const int notify_subdirs
, const __u16 netfid
,
386 __u32 filter
, struct file
*file
, int multishot
,
387 const struct nls_table
*nls_codepage
);
388 extern ssize_t
CIFSSMBQAllEAs(const int xid
, struct cifsTconInfo
*tcon
,
389 const unsigned char *searchName
,
390 const unsigned char *ea_name
, char *EAData
,
391 size_t bufsize
, const struct nls_table
*nls_codepage
,
392 int remap_special_chars
);
393 extern int CIFSSMBSetEA(const int xid
, struct cifsTconInfo
*tcon
,
394 const char *fileName
, const char *ea_name
,
395 const void *ea_value
, const __u16 ea_value_len
,
396 const struct nls_table
*nls_codepage
, int remap_special_chars
);
397 extern int CIFSSMBGetCIFSACL(const int xid
, struct cifsTconInfo
*tcon
,
398 __u16 fid
, struct cifs_ntsd
**acl_inf
, __u32
*buflen
);
399 extern int CIFSSMBSetCIFSACL(const int, struct cifsTconInfo
*, __u16
,
400 struct cifs_ntsd
*, __u32
);
401 extern int CIFSSMBGetPosixACL(const int xid
, struct cifsTconInfo
*tcon
,
402 const unsigned char *searchName
,
403 char *acl_inf
, const int buflen
, const int acl_type
,
404 const struct nls_table
*nls_codepage
, int remap_special_chars
);
405 extern int CIFSSMBSetPosixACL(const int xid
, struct cifsTconInfo
*tcon
,
406 const unsigned char *fileName
,
407 const char *local_acl
, const int buflen
, const int acl_type
,
408 const struct nls_table
*nls_codepage
, int remap_special_chars
);
409 extern int CIFSGetExtAttr(const int xid
, struct cifsTconInfo
*tcon
,
410 const int netfid
, __u64
*pExtAttrBits
, __u64
*pMask
);
411 extern void cifs_autodisable_serverino(struct cifs_sb_info
*cifs_sb
);
412 #endif /* _CIFSPROTO_H */