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