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 enum securityEnum
*secType
);
89 extern int cifs_convert_address(char *src
, void *dst
);
90 extern int map_smb_to_linux_error(struct smb_hdr
*smb
, int logErr
);
91 extern void header_assemble(struct smb_hdr
*, char /* command */ ,
92 const struct cifsTconInfo
*, int /* length of
93 fixed section (word count) in two byte units */);
94 extern int small_smb_init_no_tc(const int smb_cmd
, const int wct
,
95 struct cifsSesInfo
*ses
,
97 extern int CIFS_SessSetup(unsigned int xid
, struct cifsSesInfo
*ses
,
99 const struct nls_table
*nls_cp
);
100 extern __u16
GetNextMid(struct TCP_Server_Info
*server
);
101 extern struct timespec
cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601
);
102 extern u64
cifs_UnixTimeToNT(struct timespec
);
103 extern struct timespec
cnvrtDosUnixTm(__le16 le_date
, __le16 le_time
,
106 extern struct cifsFileInfo
*cifs_new_fileinfo(struct inode
*newinode
,
107 __u16 fileHandle
, struct file
*file
,
108 struct vfsmount
*mnt
, unsigned int oflags
);
109 extern int cifs_posix_open(char *full_path
, struct inode
**pinode
,
110 struct vfsmount
*mnt
, int mode
, int oflags
,
111 __u32
*poplock
, __u16
*pnetfid
, int xid
);
112 extern void cifs_unix_basic_to_fattr(struct cifs_fattr
*fattr
,
113 FILE_UNIX_BASIC_INFO
*info
,
114 struct cifs_sb_info
*cifs_sb
);
115 extern void cifs_fattr_to_inode(struct inode
*inode
, struct cifs_fattr
*fattr
);
116 extern struct inode
*cifs_iget(struct super_block
*sb
,
117 struct cifs_fattr
*fattr
);
119 extern int cifs_get_file_info(struct file
*filp
);
120 extern int cifs_get_inode_info(struct inode
**pinode
,
121 const unsigned char *search_path
,
122 FILE_ALL_INFO
*pfile_info
,
123 struct super_block
*sb
, int xid
, const __u16
*pfid
);
124 extern int cifs_get_file_info_unix(struct file
*filp
);
125 extern int cifs_get_inode_info_unix(struct inode
**pinode
,
126 const unsigned char *search_path
,
127 struct super_block
*sb
, int xid
);
128 extern void cifs_acl_to_fattr(struct cifs_sb_info
*cifs_sb
,
129 struct cifs_fattr
*fattr
, struct inode
*inode
,
130 const char *path
, const __u16
*pfid
);
131 extern int mode_to_acl(struct inode
*inode
, const char *path
, __u64
);
133 extern int cifs_mount(struct super_block
*, struct cifs_sb_info
*, char *,
135 extern int cifs_umount(struct super_block
*, struct cifs_sb_info
*);
136 extern void cifs_dfs_release_automount_timer(void);
137 void cifs_proc_init(void);
138 void cifs_proc_clean(void);
140 extern int cifs_setup_session(unsigned int xid
, struct cifsSesInfo
*pSesInfo
,
141 struct nls_table
*nls_info
);
142 extern int CIFSSMBNegotiate(unsigned int xid
, struct cifsSesInfo
*ses
);
144 extern int CIFSTCon(unsigned int xid
, struct cifsSesInfo
*ses
,
145 const char *tree
, struct cifsTconInfo
*tcon
,
146 const struct nls_table
*);
148 extern int CIFSFindFirst(const int xid
, struct cifsTconInfo
*tcon
,
149 const char *searchName
, const struct nls_table
*nls_codepage
,
150 __u16
*searchHandle
, struct cifs_search_info
*psrch_inf
,
151 int map
, const char dirsep
);
153 extern int CIFSFindNext(const int xid
, struct cifsTconInfo
*tcon
,
154 __u16 searchHandle
, struct cifs_search_info
*psrch_inf
);
156 extern int CIFSFindClose(const int, struct cifsTconInfo
*tcon
,
157 const __u16 search_handle
);
159 extern int CIFSSMBQFileInfo(const int xid
, struct cifsTconInfo
*tcon
,
160 u16 netfid
, FILE_ALL_INFO
*pFindData
);
161 extern int CIFSSMBQPathInfo(const int xid
, struct cifsTconInfo
*tcon
,
162 const unsigned char *searchName
,
163 FILE_ALL_INFO
*findData
,
164 int legacy
/* whether to use old info level */,
165 const struct nls_table
*nls_codepage
, int remap
);
166 extern int SMBQueryInformation(const int xid
, struct cifsTconInfo
*tcon
,
167 const unsigned char *searchName
,
168 FILE_ALL_INFO
*findData
,
169 const struct nls_table
*nls_codepage
, int remap
);
171 extern int CIFSSMBUnixQFileInfo(const int xid
, struct cifsTconInfo
*tcon
,
172 u16 netfid
, FILE_UNIX_BASIC_INFO
*pFindData
);
173 extern int CIFSSMBUnixQPathInfo(const int xid
,
174 struct cifsTconInfo
*tcon
,
175 const unsigned char *searchName
,
176 FILE_UNIX_BASIC_INFO
*pFindData
,
177 const struct nls_table
*nls_codepage
, int remap
);
179 extern int CIFSGetDFSRefer(const int xid
, struct cifsSesInfo
*ses
,
180 const unsigned char *searchName
,
181 struct dfs_info3_param
**target_nodes
,
182 unsigned int *number_of_nodes_in_array
,
183 const struct nls_table
*nls_codepage
, int remap
);
185 extern int get_dfs_path(int xid
, struct cifsSesInfo
*pSesInfo
,
186 const char *old_path
,
187 const struct nls_table
*nls_codepage
,
188 unsigned int *pnum_referrals
,
189 struct dfs_info3_param
**preferrals
,
191 extern void reset_cifs_unix_caps(int xid
, struct cifsTconInfo
*tcon
,
192 struct super_block
*sb
, struct smb_vol
*vol
);
193 extern int CIFSSMBQFSInfo(const int xid
, struct cifsTconInfo
*tcon
,
194 struct kstatfs
*FSData
);
195 extern int SMBOldQFSInfo(const int xid
, struct cifsTconInfo
*tcon
,
196 struct kstatfs
*FSData
);
197 extern int CIFSSMBSetFSUnixInfo(const int xid
, struct cifsTconInfo
*tcon
,
200 extern int CIFSSMBQFSAttributeInfo(const int xid
,
201 struct cifsTconInfo
*tcon
);
202 extern int CIFSSMBQFSDeviceInfo(const int xid
, struct cifsTconInfo
*tcon
);
203 extern int CIFSSMBQFSUnixInfo(const int xid
, struct cifsTconInfo
*tcon
);
204 extern int CIFSSMBQFSPosixInfo(const int xid
, struct cifsTconInfo
*tcon
,
205 struct kstatfs
*FSData
);
207 extern int CIFSSMBSetPathInfo(const int xid
, struct cifsTconInfo
*tcon
,
208 const char *fileName
, const FILE_BASIC_INFO
*data
,
209 const struct nls_table
*nls_codepage
,
210 int remap_special_chars
);
211 extern int CIFSSMBSetFileInfo(const int xid
, struct cifsTconInfo
*tcon
,
212 const FILE_BASIC_INFO
*data
, __u16 fid
,
213 __u32 pid_of_opener
);
214 extern int CIFSSMBSetFileDisposition(const int xid
, struct cifsTconInfo
*tcon
,
215 bool delete_file
, __u16 fid
, __u32 pid_of_opener
);
217 extern int CIFSSMBSetAttrLegacy(int xid
, struct cifsTconInfo
*tcon
,
218 char *fileName
, __u16 dos_attributes
,
219 const struct nls_table
*nls_codepage
);
220 #endif /* possibly unneeded function */
221 extern int CIFSSMBSetEOF(const int xid
, struct cifsTconInfo
*tcon
,
222 const char *fileName
, __u64 size
,
223 bool setAllocationSizeFlag
,
224 const struct nls_table
*nls_codepage
,
225 int remap_special_chars
);
226 extern int CIFSSMBSetFileSize(const int xid
, struct cifsTconInfo
*tcon
,
227 __u64 size
, __u16 fileHandle
, __u32 opener_pid
,
230 struct cifs_unix_set_info_args
{
240 extern int CIFSSMBUnixSetFileInfo(const int xid
, struct cifsTconInfo
*tcon
,
241 const struct cifs_unix_set_info_args
*args
,
242 u16 fid
, u32 pid_of_opener
);
244 extern int CIFSSMBUnixSetPathInfo(const int xid
, struct cifsTconInfo
*pTcon
,
246 const struct cifs_unix_set_info_args
*args
,
247 const struct nls_table
*nls_codepage
,
248 int remap_special_chars
);
250 extern int CIFSSMBMkDir(const int xid
, struct cifsTconInfo
*tcon
,
252 const struct nls_table
*nls_codepage
,
253 int remap_special_chars
);
254 extern int CIFSSMBRmDir(const int xid
, struct cifsTconInfo
*tcon
,
255 const char *name
, const struct nls_table
*nls_codepage
,
256 int remap_special_chars
);
257 extern int CIFSPOSIXDelFile(const int xid
, struct cifsTconInfo
*tcon
,
258 const char *name
, __u16 type
,
259 const struct nls_table
*nls_codepage
,
260 int remap_special_chars
);
261 extern int CIFSSMBDelFile(const int xid
, struct cifsTconInfo
*tcon
,
263 const struct nls_table
*nls_codepage
,
264 int remap_special_chars
);
265 extern int CIFSSMBRename(const int xid
, struct cifsTconInfo
*tcon
,
266 const char *fromName
, const char *toName
,
267 const struct nls_table
*nls_codepage
,
268 int remap_special_chars
);
269 extern int CIFSSMBRenameOpenFile(const int xid
, struct cifsTconInfo
*pTcon
,
270 int netfid
, const char *target_name
,
271 const struct nls_table
*nls_codepage
,
272 int remap_special_chars
);
273 extern int CIFSCreateHardLink(const int xid
,
274 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 CIFSUnixCreateHardLink(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 CIFSUnixCreateSymLink(const int xid
,
284 struct cifsTconInfo
*tcon
,
285 const char *fromName
, const char *toName
,
286 const struct nls_table
*nls_codepage
);
287 extern int CIFSSMBUnixQuerySymLink(const int xid
,
288 struct cifsTconInfo
*tcon
,
289 const unsigned char *searchName
, char **syminfo
,
290 const struct nls_table
*nls_codepage
);
291 extern int CIFSSMBQueryReparseLinkInfo(const int xid
,
292 struct cifsTconInfo
*tcon
,
293 const unsigned char *searchName
,
294 char *symlinkinfo
, const int buflen
, __u16 fid
,
295 const struct nls_table
*nls_codepage
);
297 extern int CIFSSMBOpen(const int xid
, struct cifsTconInfo
*tcon
,
298 const char *fileName
, const int disposition
,
299 const int access_flags
, const int omode
,
300 __u16
*netfid
, int *pOplock
, FILE_ALL_INFO
*,
301 const struct nls_table
*nls_codepage
, int remap
);
302 extern int SMBLegacyOpen(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 CIFSPOSIXCreate(const int xid
, struct cifsTconInfo
*tcon
,
308 u32 posix_flags
, __u64 mode
, __u16
*netfid
,
309 FILE_UNIX_BASIC_INFO
*pRetData
,
310 __u32
*pOplock
, const char *name
,
311 const struct nls_table
*nls_codepage
, int remap
);
312 extern int CIFSSMBClose(const int xid
, struct cifsTconInfo
*tcon
,
313 const int smb_file_id
);
315 extern int CIFSSMBFlush(const int xid
, struct cifsTconInfo
*tcon
,
316 const int smb_file_id
);
318 extern int CIFSSMBRead(const int xid
, struct cifsTconInfo
*tcon
,
319 const int netfid
, unsigned int count
,
320 const __u64 lseek
, unsigned int *nbytes
, char **buf
,
321 int *return_buf_type
);
322 extern int CIFSSMBWrite(const int xid
, struct cifsTconInfo
*tcon
,
323 const int netfid
, const unsigned int count
,
324 const __u64 lseek
, unsigned int *nbytes
,
325 const char *buf
, const char __user
*ubuf
,
327 extern int CIFSSMBWrite2(const int xid
, struct cifsTconInfo
*tcon
,
328 const int netfid
, const unsigned int count
,
329 const __u64 offset
, unsigned int *nbytes
,
330 struct kvec
*iov
, const int nvec
, const int long_op
);
331 extern int CIFSGetSrvInodeNumber(const int xid
, struct cifsTconInfo
*tcon
,
332 const unsigned char *searchName
, __u64
*inode_number
,
333 const struct nls_table
*nls_codepage
,
334 int remap_special_chars
);
335 extern int cifsConvertToUCS(__le16
*target
, const char *source
, int maxlen
,
336 const struct nls_table
*cp
, int mapChars
);
338 extern int CIFSSMBLock(const int xid
, struct cifsTconInfo
*tcon
,
339 const __u16 netfid
, const __u64 len
,
340 const __u64 offset
, const __u32 numUnlock
,
341 const __u32 numLock
, const __u8 lockType
,
342 const bool waitFlag
);
343 extern int CIFSSMBPosixLock(const int xid
, struct cifsTconInfo
*tcon
,
344 const __u16 smb_file_id
, const int get_flag
,
345 const __u64 len
, struct file_lock
*,
346 const __u16 lock_type
, const bool waitFlag
);
347 extern int CIFSSMBTDis(const int xid
, struct cifsTconInfo
*tcon
);
348 extern int CIFSSMBLogoff(const int xid
, struct cifsSesInfo
*ses
);
350 extern struct cifsSesInfo
*sesInfoAlloc(void);
351 extern void sesInfoFree(struct cifsSesInfo
*);
352 extern struct cifsTconInfo
*tconInfoAlloc(void);
353 extern void tconInfoFree(struct cifsTconInfo
*);
355 extern int cifs_sign_smb(struct smb_hdr
*, struct TCP_Server_Info
*, __u32
*);
356 extern int cifs_sign_smb2(struct kvec
*iov
, int n_vec
, struct TCP_Server_Info
*,
358 extern int cifs_verify_signature(struct smb_hdr
*,
359 const struct mac_key
*mac_key
,
360 __u32 expected_sequence_number
);
361 extern int cifs_calculate_mac_key(struct mac_key
*key
, const char *rn
,
363 extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo
*,
364 const struct nls_table
*);
365 extern void CalcNTLMv2_response(const struct cifsSesInfo
*, char *);
366 extern void setup_ntlmv2_rsp(struct cifsSesInfo
*, char *,
367 const struct nls_table
*);
368 #ifdef CONFIG_CIFS_WEAK_PW_HASH
369 extern void calc_lanman_hash(const char *password
, const char *cryptkey
,
370 bool encrypt
, char *lnm_session_key
);
371 #endif /* CIFS_WEAK_PW_HASH */
372 extern int CIFSSMBCopy(int xid
,
373 struct cifsTconInfo
*source_tcon
,
374 const char *fromName
,
375 const __u16 target_tid
,
376 const char *toName
, const int flags
,
377 const struct nls_table
*nls_codepage
,
378 int remap_special_chars
);
379 extern int CIFSSMBNotify(const int xid
, struct cifsTconInfo
*tcon
,
380 const int notify_subdirs
, const __u16 netfid
,
381 __u32 filter
, struct file
*file
, int multishot
,
382 const struct nls_table
*nls_codepage
);
383 extern ssize_t
CIFSSMBQAllEAs(const int xid
, struct cifsTconInfo
*tcon
,
384 const unsigned char *searchName
,
385 const unsigned char *ea_name
, char *EAData
,
386 size_t bufsize
, const struct nls_table
*nls_codepage
,
387 int remap_special_chars
);
388 extern int CIFSSMBSetEA(const int xid
, struct cifsTconInfo
*tcon
,
389 const char *fileName
, const char *ea_name
,
390 const void *ea_value
, const __u16 ea_value_len
,
391 const struct nls_table
*nls_codepage
, int remap_special_chars
);
392 extern int CIFSSMBGetCIFSACL(const int xid
, struct cifsTconInfo
*tcon
,
393 __u16 fid
, struct cifs_ntsd
**acl_inf
, __u32
*buflen
);
394 extern int CIFSSMBSetCIFSACL(const int, struct cifsTconInfo
*, __u16
,
395 struct cifs_ntsd
*, __u32
);
396 extern int CIFSSMBGetPosixACL(const int xid
, struct cifsTconInfo
*tcon
,
397 const unsigned char *searchName
,
398 char *acl_inf
, const int buflen
, const int acl_type
,
399 const struct nls_table
*nls_codepage
, int remap_special_chars
);
400 extern int CIFSSMBSetPosixACL(const int xid
, struct cifsTconInfo
*tcon
,
401 const unsigned char *fileName
,
402 const char *local_acl
, const int buflen
, const int acl_type
,
403 const struct nls_table
*nls_codepage
, int remap_special_chars
);
404 extern int CIFSGetExtAttr(const int xid
, struct cifsTconInfo
*tcon
,
405 const int netfid
, __u64
*pExtAttrBits
, __u64
*pMask
);
406 extern void cifs_autodisable_serverino(struct cifs_sb_info
*cifs_sb
);
407 #endif /* _CIFSPROTO_H */