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 int init_cifs_idmap(void);
57 extern void exit_cifs_idmap(void);
58 extern void cifs_destroy_idmaptrees(void);
59 extern char *build_path_from_dentry(struct dentry *);
60 extern char *cifs_build_path_to_root(struct cifs_sb_info *cifs_sb,
61 struct cifsTconInfo *tcon);
62 extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
63 extern char *cifs_compose_mount_options(const char *sb_mountdata,
64 const char *fullpath, const struct dfs_info3_param *ref,
66 /* extern void renew_parental_timestamps(struct dentry *direntry);*/
67 extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer,
68 struct TCP_Server_Info *server);
69 extern void DeleteMidQEntry(struct mid_q_entry *midEntry);
70 extern int cifs_call_async(struct TCP_Server_Info *server,
71 struct smb_hdr *in_buf, mid_callback_t *callback,
73 extern int SendReceive(const unsigned int /* xid */ , struct cifsSesInfo *,
74 struct smb_hdr * /* input */ ,
75 struct smb_hdr * /* out */ ,
76 int * /* bytes returned */ , const int long_op);
77 extern int SendReceiveNoRsp(const unsigned int xid, struct cifsSesInfo *ses,
78 struct smb_hdr *in_buf, int flags);
79 extern int SendReceive2(const unsigned int /* xid */ , struct cifsSesInfo *,
80 struct kvec *, int /* nvec to send */,
81 int * /* type of buf returned */ , const int flags);
82 extern int SendReceiveBlockingLock(const unsigned int xid,
83 struct cifsTconInfo *ptcon,
84 struct smb_hdr *in_buf ,
85 struct smb_hdr *out_buf,
87 extern int checkSMB(struct smb_hdr *smb, __u16 mid, unsigned int length);
88 extern bool is_valid_oplock_break(struct smb_hdr *smb,
89 struct TCP_Server_Info *);
90 extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
91 extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset,
92 unsigned int bytes_written);
93 extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, bool);
94 extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
95 extern unsigned int smbCalcSize(struct smb_hdr *ptr);
96 extern int decode_negTokenInit(unsigned char *security_blob, int length,
97 struct TCP_Server_Info *server);
98 extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len);
99 extern int cifs_set_port(struct sockaddr *addr, const unsigned short int port);
100 extern int cifs_fill_sockaddr(struct sockaddr *dst, const char *src, int len,
101 const unsigned short int port);
102 extern int map_smb_to_linux_error(struct smb_hdr *smb, int logErr);
103 extern void header_assemble(struct smb_hdr *, char /* command */ ,
104 const struct cifsTconInfo *, int /* length of
105 fixed section (word count) in two byte units */);
106 extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
107 struct cifsSesInfo *ses,
109 extern int CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses,
110 const struct nls_table *nls_cp);
111 extern __u16 GetNextMid(struct TCP_Server_Info *server);
112 extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
113 extern u64 cifs_UnixTimeToNT(struct timespec);
114 extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
116 extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
118 extern struct cifsFileInfo *cifs_new_fileinfo(__u16 fileHandle,
119 struct file *file, struct tcon_link *tlink,
121 extern int cifs_posix_open(char *full_path, struct inode **pinode,
122 struct super_block *sb,
123 int mode, unsigned int f_flags,
124 __u32 *poplock, __u16 *pnetfid, int xid);
125 void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr);
126 extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
127 FILE_UNIX_BASIC_INFO *info,
128 struct cifs_sb_info *cifs_sb);
129 extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
130 extern struct inode *cifs_iget(struct super_block *sb,
131 struct cifs_fattr *fattr);
133 extern int cifs_get_file_info(struct file *filp);
134 extern int cifs_get_inode_info(struct inode **pinode,
135 const unsigned char *search_path,
136 FILE_ALL_INFO *pfile_info,
137 struct super_block *sb, int xid, const __u16 *pfid);
138 extern int cifs_get_file_info_unix(struct file *filp);
139 extern int cifs_get_inode_info_unix(struct inode **pinode,
140 const unsigned char *search_path,
141 struct super_block *sb, int xid);
142 extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
143 struct cifs_fattr *fattr, struct inode *inode,
144 const char *path, const __u16 *pfid);
145 extern int mode_to_cifs_acl(struct inode *inode, const char *path, __u64);
146 extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *,
147 const char *, u32 *);
148 extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *,
151 extern int cifs_mount(struct super_block *, struct cifs_sb_info *,
153 extern int cifs_umount(struct super_block *, struct cifs_sb_info *);
154 extern void cifs_dfs_release_automount_timer(void);
155 void cifs_proc_init(void);
156 void cifs_proc_clean(void);
158 extern int cifs_negotiate_protocol(unsigned int xid,
159 struct cifsSesInfo *ses);
160 extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *ses,
161 struct nls_table *nls_info);
162 extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses);
164 extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
165 const char *tree, struct cifsTconInfo *tcon,
166 const struct nls_table *);
168 extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon,
169 const char *searchName, const struct nls_table *nls_codepage,
170 __u16 *searchHandle, struct cifs_search_info *psrch_inf,
171 int map, const char dirsep);
173 extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
174 __u16 searchHandle, struct cifs_search_info *psrch_inf);
176 extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
177 const __u16 search_handle);
179 extern int CIFSSMBQFileInfo(const int xid, struct cifsTconInfo *tcon,
180 u16 netfid, FILE_ALL_INFO *pFindData);
181 extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
182 const unsigned char *searchName,
183 FILE_ALL_INFO *findData,
184 int legacy /* whether to use old info level */,
185 const struct nls_table *nls_codepage, int remap);
186 extern int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon,
187 const unsigned char *searchName,
188 FILE_ALL_INFO *findData,
189 const struct nls_table *nls_codepage, int remap);
191 extern int CIFSSMBUnixQFileInfo(const int xid, struct cifsTconInfo *tcon,
192 u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
193 extern int CIFSSMBUnixQPathInfo(const int xid,
194 struct cifsTconInfo *tcon,
195 const unsigned char *searchName,
196 FILE_UNIX_BASIC_INFO *pFindData,
197 const struct nls_table *nls_codepage, int remap);
199 extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
200 const unsigned char *searchName,
201 struct dfs_info3_param **target_nodes,
202 unsigned int *number_of_nodes_in_array,
203 const struct nls_table *nls_codepage, int remap);
205 extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
206 const char *old_path,
207 const struct nls_table *nls_codepage,
208 unsigned int *pnum_referrals,
209 struct dfs_info3_param **preferrals,
211 extern void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
212 struct super_block *sb, struct smb_vol *vol);
213 extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon,
214 struct kstatfs *FSData);
215 extern int SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon,
216 struct kstatfs *FSData);
217 extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon,
220 extern int CIFSSMBQFSAttributeInfo(const int xid,
221 struct cifsTconInfo *tcon);
222 extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon);
223 extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon);
224 extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon,
225 struct kstatfs *FSData);
227 extern int CIFSSMBSetPathInfo(const int xid, struct cifsTconInfo *tcon,
228 const char *fileName, const FILE_BASIC_INFO *data,
229 const struct nls_table *nls_codepage,
230 int remap_special_chars);
231 extern int CIFSSMBSetFileInfo(const int xid, struct cifsTconInfo *tcon,
232 const FILE_BASIC_INFO *data, __u16 fid,
233 __u32 pid_of_opener);
234 extern int CIFSSMBSetFileDisposition(const int xid, struct cifsTconInfo *tcon,
235 bool delete_file, __u16 fid, __u32 pid_of_opener);
237 extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon,
238 char *fileName, __u16 dos_attributes,
239 const struct nls_table *nls_codepage);
240 #endif /* possibly unneeded function */
241 extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon,
242 const char *fileName, __u64 size,
243 bool setAllocationSizeFlag,
244 const struct nls_table *nls_codepage,
245 int remap_special_chars);
246 extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon,
247 __u64 size, __u16 fileHandle, __u32 opener_pid,
250 struct cifs_unix_set_info_args {
260 extern int CIFSSMBUnixSetFileInfo(const int xid, struct cifsTconInfo *tcon,
261 const struct cifs_unix_set_info_args *args,
262 u16 fid, u32 pid_of_opener);
264 extern int CIFSSMBUnixSetPathInfo(const int xid, struct cifsTconInfo *pTcon,
266 const struct cifs_unix_set_info_args *args,
267 const struct nls_table *nls_codepage,
268 int remap_special_chars);
270 extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon,
272 const struct nls_table *nls_codepage,
273 int remap_special_chars);
274 extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon,
275 const char *name, const struct nls_table *nls_codepage,
276 int remap_special_chars);
277 extern int CIFSPOSIXDelFile(const int xid, struct cifsTconInfo *tcon,
278 const char *name, __u16 type,
279 const struct nls_table *nls_codepage,
280 int remap_special_chars);
281 extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon,
283 const struct nls_table *nls_codepage,
284 int remap_special_chars);
285 extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon,
286 const char *fromName, const char *toName,
287 const struct nls_table *nls_codepage,
288 int remap_special_chars);
289 extern int CIFSSMBRenameOpenFile(const int xid, struct cifsTconInfo *pTcon,
290 int netfid, const char *target_name,
291 const struct nls_table *nls_codepage,
292 int remap_special_chars);
293 extern int CIFSCreateHardLink(const int xid,
294 struct cifsTconInfo *tcon,
295 const char *fromName, const char *toName,
296 const struct nls_table *nls_codepage,
297 int remap_special_chars);
298 extern int CIFSUnixCreateHardLink(const int xid,
299 struct cifsTconInfo *tcon,
300 const char *fromName, const char *toName,
301 const struct nls_table *nls_codepage,
302 int remap_special_chars);
303 extern int CIFSUnixCreateSymLink(const int xid,
304 struct cifsTconInfo *tcon,
305 const char *fromName, const char *toName,
306 const struct nls_table *nls_codepage);
307 extern int CIFSSMBUnixQuerySymLink(const int xid,
308 struct cifsTconInfo *tcon,
309 const unsigned char *searchName, char **syminfo,
310 const struct nls_table *nls_codepage);
311 #ifdef CONFIG_CIFS_SYMLINK_EXPERIMENTAL
312 extern int CIFSSMBQueryReparseLinkInfo(const int xid,
313 struct cifsTconInfo *tcon,
314 const unsigned char *searchName,
315 char *symlinkinfo, const int buflen, __u16 fid,
316 const struct nls_table *nls_codepage);
317 #endif /* temporarily unused until cifs_symlink fixed */
318 extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
319 const char *fileName, const int disposition,
320 const int access_flags, const int omode,
321 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
322 const struct nls_table *nls_codepage, int remap);
323 extern int SMBLegacyOpen(const int xid, struct cifsTconInfo *tcon,
324 const char *fileName, const int disposition,
325 const int access_flags, const int omode,
326 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
327 const struct nls_table *nls_codepage, int remap);
328 extern int CIFSPOSIXCreate(const int xid, struct cifsTconInfo *tcon,
329 u32 posix_flags, __u64 mode, __u16 *netfid,
330 FILE_UNIX_BASIC_INFO *pRetData,
331 __u32 *pOplock, const char *name,
332 const struct nls_table *nls_codepage, int remap);
333 extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon,
334 const int smb_file_id);
336 extern int CIFSSMBFlush(const int xid, struct cifsTconInfo *tcon,
337 const int smb_file_id);
339 extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
340 const int netfid, unsigned int count,
341 const __u64 lseek, unsigned int *nbytes, char **buf,
342 int *return_buf_type);
343 extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
344 const int netfid, const unsigned int count,
345 const __u64 lseek, unsigned int *nbytes,
346 const char *buf, const char __user *ubuf,
348 extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
349 const int netfid, const unsigned int count,
350 const __u64 offset, unsigned int *nbytes,
351 struct kvec *iov, const int nvec, const int long_op);
352 extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
353 const unsigned char *searchName, __u64 *inode_number,
354 const struct nls_table *nls_codepage,
355 int remap_special_chars);
357 extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
358 const __u16 netfid, const __u64 len,
359 const __u64 offset, const __u32 numUnlock,
360 const __u32 numLock, const __u8 lockType,
361 const bool waitFlag, const __u8 oplock_level);
362 extern int CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon,
363 const __u16 smb_file_id, const int get_flag,
364 const __u64 len, struct file_lock *,
365 const __u16 lock_type, const bool waitFlag);
366 extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon);
367 extern int CIFSSMBEcho(struct TCP_Server_Info *server);
368 extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses);
370 extern struct cifsSesInfo *sesInfoAlloc(void);
371 extern void sesInfoFree(struct cifsSesInfo *);
372 extern struct cifsTconInfo *tconInfoAlloc(void);
373 extern void tconInfoFree(struct cifsTconInfo *);
375 extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
376 extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
378 extern int cifs_verify_signature(struct smb_hdr *,
379 struct TCP_Server_Info *server,
380 __u32 expected_sequence_number);
381 extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *);
382 extern int setup_ntlm_response(struct cifsSesInfo *);
383 extern int setup_ntlmv2_rsp(struct cifsSesInfo *, const struct nls_table *);
384 extern int cifs_crypto_shash_allocate(struct TCP_Server_Info *);
385 extern void cifs_crypto_shash_release(struct TCP_Server_Info *);
386 extern int calc_seckey(struct cifsSesInfo *);
388 #ifdef CONFIG_CIFS_WEAK_PW_HASH
389 extern int calc_lanman_hash(const char *password, const char *cryptkey,
390 bool encrypt, char *lnm_session_key);
391 #endif /* CIFS_WEAK_PW_HASH */
392 #ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */
393 extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
394 const int notify_subdirs, const __u16 netfid,
395 __u32 filter, struct file *file, int multishot,
396 const struct nls_table *nls_codepage);
397 #endif /* was needed for dnotify, and will be needed for inotify when VFS fix */
398 extern int CIFSSMBCopy(int xid,
399 struct cifsTconInfo *source_tcon,
400 const char *fromName,
401 const __u16 target_tid,
402 const char *toName, const int flags,
403 const struct nls_table *nls_codepage,
404 int remap_special_chars);
405 extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
406 const unsigned char *searchName,
407 const unsigned char *ea_name, char *EAData,
408 size_t bufsize, const struct nls_table *nls_codepage,
409 int remap_special_chars);
410 extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon,
411 const char *fileName, const char *ea_name,
412 const void *ea_value, const __u16 ea_value_len,
413 const struct nls_table *nls_codepage, int remap_special_chars);
414 extern int CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon,
415 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
416 extern int CIFSSMBSetCIFSACL(const int, struct cifsTconInfo *, __u16,
417 struct cifs_ntsd *, __u32);
418 extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon,
419 const unsigned char *searchName,
420 char *acl_inf, const int buflen, const int acl_type,
421 const struct nls_table *nls_codepage, int remap_special_chars);
422 extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon,
423 const unsigned char *fileName,
424 const char *local_acl, const int buflen, const int acl_type,
425 const struct nls_table *nls_codepage, int remap_special_chars);
426 extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon,
427 const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
428 extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
429 extern bool CIFSCouldBeMFSymlink(const struct cifs_fattr *fattr);
430 extern int CIFSCheckMFSymlink(struct cifs_fattr *fattr,
431 const unsigned char *path,
432 struct cifs_sb_info *cifs_sb, int xid);
433 extern int mdfour(unsigned char *, unsigned char *, int);
434 extern int E_md4hash(const unsigned char *passwd, unsigned char *p16);
435 extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8,
437 #endif /* _CIFSPROTO_H */