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