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 socket
*, struct smb_hdr
*,
39 unsigned int /* length */ , struct sockaddr
*);
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 *build_wildcard_path_from_dentry(struct dentry
*direntry
);
46 /* extern void renew_parental_timestamps(struct dentry *direntry);*/
47 extern int SendReceive(const unsigned int /* xid */ , struct cifsSesInfo
*,
48 struct smb_hdr
* /* input */ ,
49 struct smb_hdr
* /* out */ ,
50 int * /* bytes returned */ , const int long_op
);
51 extern int SendReceiveNoRsp(const unsigned int xid
, struct cifsSesInfo
*ses
,
52 struct smb_hdr
*in_buf
, int flags
);
53 extern int SendReceive2(const unsigned int /* xid */ , struct cifsSesInfo
*,
54 struct kvec
*, int /* nvec to send */,
55 int * /* type of buf returned */ , const int flags
);
56 extern int SendReceiveBlockingLock(const unsigned int xid
,
57 struct cifsTconInfo
*ptcon
,
58 struct smb_hdr
*in_buf
,
59 struct smb_hdr
*out_buf
,
61 extern int checkSMB(struct smb_hdr
*smb
, __u16 mid
, unsigned int length
);
62 extern bool is_valid_oplock_break(struct smb_hdr
*smb
,
63 struct TCP_Server_Info
*);
64 extern bool is_size_safe_to_change(struct cifsInodeInfo
*, __u64 eof
);
65 extern struct cifsFileInfo
*find_writable_file(struct cifsInodeInfo
*);
66 #ifdef CONFIG_CIFS_EXPERIMENTAL
67 extern struct cifsFileInfo
*find_readable_file(struct cifsInodeInfo
*);
69 extern unsigned int smbCalcSize(struct smb_hdr
*ptr
);
70 extern unsigned int smbCalcSize_LE(struct smb_hdr
*ptr
);
71 extern int decode_negTokenInit(unsigned char *security_blob
, int length
,
72 enum securityEnum
*secType
);
73 extern int cifs_inet_pton(const int, const char *source
, void *dst
);
74 extern int map_smb_to_linux_error(struct smb_hdr
*smb
, int logErr
);
75 extern void header_assemble(struct smb_hdr
*, char /* command */ ,
76 const struct cifsTconInfo
*, int /* length of
77 fixed section (word count) in two byte units */);
78 extern int small_smb_init_no_tc(const int smb_cmd
, const int wct
,
79 struct cifsSesInfo
*ses
,
81 extern int CIFS_SessSetup(unsigned int xid
, struct cifsSesInfo
*ses
,
83 const struct nls_table
*nls_cp
);
84 extern __u16
GetNextMid(struct TCP_Server_Info
*server
);
85 extern struct oplock_q_entry
*AllocOplockQEntry(struct inode
*, u16
,
86 struct cifsTconInfo
*);
87 extern void DeleteOplockQEntry(struct oplock_q_entry
*);
88 extern void DeleteTconOplockQEntries(struct cifsTconInfo
*);
89 extern struct timespec
cifs_NTtimeToUnix(u64 utc_nanoseconds_since_1601
);
90 extern u64
cifs_UnixTimeToNT(struct timespec
);
91 extern __le64
cnvrtDosCifsTm(__u16 date
, __u16 time
);
92 extern struct timespec
cnvrtDosUnixTm(__u16 date
, __u16 time
);
94 extern int cifs_get_inode_info(struct inode
**pinode
,
95 const unsigned char *search_path
,
96 FILE_ALL_INFO
*pfile_info
,
97 struct super_block
*sb
, int xid
, const __u16
*pfid
);
98 extern int cifs_get_inode_info_unix(struct inode
**pinode
,
99 const unsigned char *search_path
,
100 struct super_block
*sb
, int xid
);
101 extern void acl_to_uid_mode(struct inode
*inode
, const char *path
,
103 extern int mode_to_acl(struct inode
*inode
, const char *path
, __u64
);
105 extern int cifs_mount(struct super_block
*, struct cifs_sb_info
*, char *,
107 extern int cifs_umount(struct super_block
*, struct cifs_sb_info
*);
108 extern void cifs_dfs_release_automount_timer(void);
109 void cifs_proc_init(void);
110 void cifs_proc_clean(void);
112 extern int cifs_setup_session(unsigned int xid
, struct cifsSesInfo
*pSesInfo
,
113 struct nls_table
*nls_info
);
114 extern int CIFSSMBNegotiate(unsigned int xid
, struct cifsSesInfo
*ses
);
116 extern int CIFSTCon(unsigned int xid
, struct cifsSesInfo
*ses
,
117 const char *tree
, struct cifsTconInfo
*tcon
,
118 const struct nls_table
*);
120 extern int CIFSFindFirst(const int xid
, struct cifsTconInfo
*tcon
,
121 const char *searchName
, const struct nls_table
*nls_codepage
,
122 __u16
*searchHandle
, struct cifs_search_info
*psrch_inf
,
123 int map
, const char dirsep
);
125 extern int CIFSFindNext(const int xid
, struct cifsTconInfo
*tcon
,
126 __u16 searchHandle
, struct cifs_search_info
*psrch_inf
);
128 extern int CIFSFindClose(const int, struct cifsTconInfo
*tcon
,
129 const __u16 search_handle
);
131 extern int CIFSSMBQPathInfo(const int xid
, struct cifsTconInfo
*tcon
,
132 const unsigned char *searchName
,
133 FILE_ALL_INFO
*findData
,
134 int legacy
/* whether to use old info level */,
135 const struct nls_table
*nls_codepage
, int remap
);
136 extern int SMBQueryInformation(const int xid
, struct cifsTconInfo
*tcon
,
137 const unsigned char *searchName
,
138 FILE_ALL_INFO
*findData
,
139 const struct nls_table
*nls_codepage
, int remap
);
141 extern int CIFSSMBUnixQPathInfo(const int xid
,
142 struct cifsTconInfo
*tcon
,
143 const unsigned char *searchName
,
144 FILE_UNIX_BASIC_INFO
*pFindData
,
145 const struct nls_table
*nls_codepage
, int remap
);
147 extern int CIFSGetDFSRefer(const int xid
, struct cifsSesInfo
*ses
,
148 const unsigned char *searchName
,
149 unsigned char **targetUNCs
,
150 unsigned int *number_of_UNC_in_array
,
151 const struct nls_table
*nls_codepage
, int remap
);
153 extern int connect_to_dfs_path(int xid
, struct cifsSesInfo
*pSesInfo
,
154 const char *old_path
,
155 const struct nls_table
*nls_codepage
, int remap
);
156 extern int get_dfs_path(int xid
, struct cifsSesInfo
*pSesInfo
,
157 const char *old_path
,
158 const struct nls_table
*nls_codepage
,
159 unsigned int *pnum_referrals
,
160 struct dfs_info3_param
**preferrals
,
162 extern void reset_cifs_unix_caps(int xid
, struct cifsTconInfo
*tcon
,
163 struct super_block
*sb
, struct smb_vol
*vol
);
164 extern int CIFSSMBQFSInfo(const int xid
, struct cifsTconInfo
*tcon
,
165 struct kstatfs
*FSData
);
166 extern int SMBOldQFSInfo(const int xid
, struct cifsTconInfo
*tcon
,
167 struct kstatfs
*FSData
);
168 extern int CIFSSMBSetFSUnixInfo(const int xid
, struct cifsTconInfo
*tcon
,
171 extern int CIFSSMBQFSAttributeInfo(const int xid
,
172 struct cifsTconInfo
*tcon
);
173 extern int CIFSSMBQFSDeviceInfo(const int xid
, struct cifsTconInfo
*tcon
);
174 extern int CIFSSMBQFSUnixInfo(const int xid
, struct cifsTconInfo
*tcon
);
175 extern int CIFSSMBQFSPosixInfo(const int xid
, struct cifsTconInfo
*tcon
,
176 struct kstatfs
*FSData
);
178 extern int CIFSSMBSetTimes(const int xid
, struct cifsTconInfo
*tcon
,
179 const char *fileName
, const FILE_BASIC_INFO
*data
,
180 const struct nls_table
*nls_codepage
,
181 int remap_special_chars
);
182 extern int CIFSSMBSetFileTimes(const int xid
, struct cifsTconInfo
*tcon
,
183 const FILE_BASIC_INFO
*data
, __u16 fid
);
185 extern int CIFSSMBSetAttrLegacy(int xid
, struct cifsTconInfo
*tcon
,
186 char *fileName
, __u16 dos_attributes
,
187 const struct nls_table
*nls_codepage
);
188 #endif /* possibly unneeded function */
189 extern int CIFSSMBSetEOF(const int xid
, struct cifsTconInfo
*tcon
,
190 const char *fileName
, __u64 size
,
191 bool setAllocationSizeFlag
,
192 const struct nls_table
*nls_codepage
,
193 int remap_special_chars
);
194 extern int CIFSSMBSetFileSize(const int xid
, struct cifsTconInfo
*tcon
,
195 __u64 size
, __u16 fileHandle
, __u32 opener_pid
,
197 extern int CIFSSMBUnixSetPerms(const int xid
, struct cifsTconInfo
*pTcon
,
198 char *full_path
, __u64 mode
, __u64 uid
,
199 __u64 gid
, dev_t dev
,
200 const struct nls_table
*nls_codepage
,
201 int remap_special_chars
);
203 extern int CIFSSMBMkDir(const int xid
, struct cifsTconInfo
*tcon
,
205 const struct nls_table
*nls_codepage
,
206 int remap_special_chars
);
207 extern int CIFSSMBRmDir(const int xid
, struct cifsTconInfo
*tcon
,
208 const char *name
, const struct nls_table
*nls_codepage
,
209 int remap_special_chars
);
210 extern int CIFSPOSIXDelFile(const int xid
, struct cifsTconInfo
*tcon
,
211 const char *name
, __u16 type
,
212 const struct nls_table
*nls_codepage
,
213 int remap_special_chars
);
214 extern int CIFSSMBDelFile(const int xid
, struct cifsTconInfo
*tcon
,
216 const struct nls_table
*nls_codepage
,
217 int remap_special_chars
);
218 extern int CIFSSMBRename(const int xid
, struct cifsTconInfo
*tcon
,
219 const char *fromName
, const char *toName
,
220 const struct nls_table
*nls_codepage
,
221 int remap_special_chars
);
222 extern int CIFSSMBRenameOpenFile(const int xid
, struct cifsTconInfo
*pTcon
,
223 int netfid
, char *target_name
,
224 const struct nls_table
*nls_codepage
,
225 int remap_special_chars
);
226 extern int CIFSCreateHardLink(const int xid
,
227 struct cifsTconInfo
*tcon
,
228 const char *fromName
, const char *toName
,
229 const struct nls_table
*nls_codepage
,
230 int remap_special_chars
);
231 extern int CIFSUnixCreateHardLink(const int xid
,
232 struct cifsTconInfo
*tcon
,
233 const char *fromName
, const char *toName
,
234 const struct nls_table
*nls_codepage
,
235 int remap_special_chars
);
236 extern int CIFSUnixCreateSymLink(const int xid
,
237 struct cifsTconInfo
*tcon
,
238 const char *fromName
, const char *toName
,
239 const struct nls_table
*nls_codepage
);
240 extern int CIFSSMBUnixQuerySymLink(const int xid
,
241 struct cifsTconInfo
*tcon
,
242 const unsigned char *searchName
,
243 char *syminfo
, const int buflen
,
244 const struct nls_table
*nls_codepage
);
245 extern int CIFSSMBQueryReparseLinkInfo(const int xid
,
246 struct cifsTconInfo
*tcon
,
247 const unsigned char *searchName
,
248 char *symlinkinfo
, const int buflen
, __u16 fid
,
249 const struct nls_table
*nls_codepage
);
251 extern int CIFSSMBOpen(const int xid
, struct cifsTconInfo
*tcon
,
252 const char *fileName
, const int disposition
,
253 const int access_flags
, const int omode
,
254 __u16
*netfid
, int *pOplock
, FILE_ALL_INFO
*,
255 const struct nls_table
*nls_codepage
, int remap
);
256 extern int SMBLegacyOpen(const int xid
, struct cifsTconInfo
*tcon
,
257 const char *fileName
, const int disposition
,
258 const int access_flags
, const int omode
,
259 __u16
*netfid
, int *pOplock
, FILE_ALL_INFO
*,
260 const struct nls_table
*nls_codepage
, int remap
);
261 extern int CIFSPOSIXCreate(const int xid
, struct cifsTconInfo
*tcon
,
262 u32 posix_flags
, __u64 mode
, __u16
*netfid
,
263 FILE_UNIX_BASIC_INFO
*pRetData
,
264 __u32
*pOplock
, const char *name
,
265 const struct nls_table
*nls_codepage
, int remap
);
266 extern int CIFSSMBClose(const int xid
, struct cifsTconInfo
*tcon
,
267 const int smb_file_id
);
269 extern int CIFSSMBRead(const int xid
, struct cifsTconInfo
*tcon
,
270 const int netfid
, unsigned int count
,
271 const __u64 lseek
, unsigned int *nbytes
, char **buf
,
272 int *return_buf_type
);
273 extern int CIFSSMBWrite(const int xid
, struct cifsTconInfo
*tcon
,
274 const int netfid
, const unsigned int count
,
275 const __u64 lseek
, unsigned int *nbytes
,
276 const char *buf
, const char __user
*ubuf
,
278 extern int CIFSSMBWrite2(const int xid
, struct cifsTconInfo
*tcon
,
279 const int netfid
, const unsigned int count
,
280 const __u64 offset
, unsigned int *nbytes
,
281 struct kvec
*iov
, const int nvec
, const int long_op
);
282 extern int CIFSGetSrvInodeNumber(const int xid
, struct cifsTconInfo
*tcon
,
283 const unsigned char *searchName
, __u64
*inode_number
,
284 const struct nls_table
*nls_codepage
,
285 int remap_special_chars
);
286 extern int cifs_convertUCSpath(char *target
, const __le16
*source
, int maxlen
,
287 const struct nls_table
*codepage
);
288 extern int cifsConvertToUCS(__le16
*target
, const char *source
, int maxlen
,
289 const struct nls_table
*cp
, int mapChars
);
291 extern int CIFSSMBLock(const int xid
, struct cifsTconInfo
*tcon
,
292 const __u16 netfid
, const __u64 len
,
293 const __u64 offset
, const __u32 numUnlock
,
294 const __u32 numLock
, const __u8 lockType
,
295 const bool waitFlag
);
296 extern int CIFSSMBPosixLock(const int xid
, struct cifsTconInfo
*tcon
,
297 const __u16 smb_file_id
, const int get_flag
,
298 const __u64 len
, struct file_lock
*,
299 const __u16 lock_type
, const bool waitFlag
);
300 extern int CIFSSMBTDis(const int xid
, struct cifsTconInfo
*tcon
);
301 extern int CIFSSMBLogoff(const int xid
, struct cifsSesInfo
*ses
);
303 extern struct cifsSesInfo
*sesInfoAlloc(void);
304 extern void sesInfoFree(struct cifsSesInfo
*);
305 extern struct cifsTconInfo
*tconInfoAlloc(void);
306 extern void tconInfoFree(struct cifsTconInfo
*);
308 extern int cifs_sign_smb(struct smb_hdr
*, struct TCP_Server_Info
*, __u32
*);
309 extern int cifs_sign_smb2(struct kvec
*iov
, int n_vec
, struct TCP_Server_Info
*,
311 extern int cifs_verify_signature(struct smb_hdr
*,
312 const struct mac_key
*mac_key
,
313 __u32 expected_sequence_number
);
314 extern int cifs_calculate_mac_key(struct mac_key
*key
, const char *rn
,
316 extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo
*,
317 const struct nls_table
*);
318 extern void CalcNTLMv2_response(const struct cifsSesInfo
*, char *);
319 extern void setup_ntlmv2_rsp(struct cifsSesInfo
*, char *,
320 const struct nls_table
*);
321 #ifdef CONFIG_CIFS_WEAK_PW_HASH
322 extern void calc_lanman_hash(struct cifsSesInfo
*ses
, char *lnm_session_key
);
323 #endif /* CIFS_WEAK_PW_HASH */
324 extern int CIFSSMBCopy(int xid
,
325 struct cifsTconInfo
*source_tcon
,
326 const char *fromName
,
327 const __u16 target_tid
,
328 const char *toName
, const int flags
,
329 const struct nls_table
*nls_codepage
,
330 int remap_special_chars
);
331 extern int CIFSSMBNotify(const int xid
, struct cifsTconInfo
*tcon
,
332 const int notify_subdirs
, const __u16 netfid
,
333 __u32 filter
, struct file
*file
, int multishot
,
334 const struct nls_table
*nls_codepage
);
335 extern ssize_t
CIFSSMBQAllEAs(const int xid
, struct cifsTconInfo
*tcon
,
336 const unsigned char *searchName
, char *EAData
,
337 size_t bufsize
, const struct nls_table
*nls_codepage
,
338 int remap_special_chars
);
339 extern ssize_t
CIFSSMBQueryEA(const int xid
, struct cifsTconInfo
*tcon
,
340 const unsigned char *searchName
, const unsigned char *ea_name
,
341 unsigned char *ea_value
, size_t buf_size
,
342 const struct nls_table
*nls_codepage
, int remap_special_chars
);
343 extern int CIFSSMBSetEA(const int xid
, struct cifsTconInfo
*tcon
,
344 const char *fileName
, const char *ea_name
,
345 const void *ea_value
, const __u16 ea_value_len
,
346 const struct nls_table
*nls_codepage
, int remap_special_chars
);
347 extern int CIFSSMBGetCIFSACL(const int xid
, struct cifsTconInfo
*tcon
,
348 __u16 fid
, struct cifs_ntsd
**acl_inf
, __u32
*buflen
);
349 extern int CIFSSMBSetCIFSACL(const int, struct cifsTconInfo
*, __u16
,
350 struct cifs_ntsd
*, __u32
);
351 extern int CIFSSMBGetPosixACL(const int xid
, struct cifsTconInfo
*tcon
,
352 const unsigned char *searchName
,
353 char *acl_inf
, const int buflen
, const int acl_type
,
354 const struct nls_table
*nls_codepage
, int remap_special_chars
);
355 extern int CIFSSMBSetPosixACL(const int xid
, struct cifsTconInfo
*tcon
,
356 const unsigned char *fileName
,
357 const char *local_acl
, const int buflen
, const int acl_type
,
358 const struct nls_table
*nls_codepage
, int remap_special_chars
);
359 extern int CIFSGetExtAttr(const int xid
, struct cifsTconInfo
*tcon
,
360 const int netfid
, __u64
*pExtAttrBits
, __u64
*pMask
);
361 #endif /* _CIFSPROTO_H */