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(struct inode *newinode,
109 __u16 fileHandle, struct file *file,
110 struct tcon_link *tlink,
111 unsigned int oflags, __u32 oplock);
112 extern int cifs_posix_open(char *full_path, struct inode **pinode,
113 struct super_block *sb,
114 int mode, int oflags,
115 __u32 *poplock, __u16 *pnetfid, int xid);
116 void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr);
117 extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
118 FILE_UNIX_BASIC_INFO *info,
119 struct cifs_sb_info *cifs_sb);
120 extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
121 extern struct inode *cifs_iget(struct super_block *sb,
122 struct cifs_fattr *fattr);
124 extern int cifs_get_file_info(struct file *filp);
125 extern int cifs_get_inode_info(struct inode **pinode,
126 const unsigned char *search_path,
127 FILE_ALL_INFO *pfile_info,
128 struct super_block *sb, int xid, const __u16 *pfid);
129 extern int cifs_get_file_info_unix(struct file *filp);
130 extern int cifs_get_inode_info_unix(struct inode **pinode,
131 const unsigned char *search_path,
132 struct super_block *sb, int xid);
133 extern void cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
134 struct cifs_fattr *fattr, struct inode *inode,
135 const char *path, const __u16 *pfid);
136 extern int mode_to_acl(struct inode *inode, const char *path, __u64);
138 extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *,
140 extern int cifs_umount(struct super_block *, struct cifs_sb_info *);
141 extern void cifs_dfs_release_automount_timer(void);
142 void cifs_proc_init(void);
143 void cifs_proc_clean(void);
145 extern int cifs_negotiate_protocol(unsigned int xid,
146 struct cifsSesInfo *ses);
147 extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *ses,
148 struct nls_table *nls_info);
149 extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses);
151 extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
152 const char *tree, struct cifsTconInfo *tcon,
153 const struct nls_table *);
155 extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon,
156 const char *searchName, const struct nls_table *nls_codepage,
157 __u16 *searchHandle, struct cifs_search_info *psrch_inf,
158 int map, const char dirsep);
160 extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
161 __u16 searchHandle, struct cifs_search_info *psrch_inf);
163 extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
164 const __u16 search_handle);
166 extern int CIFSSMBQFileInfo(const int xid, struct cifsTconInfo *tcon,
167 u16 netfid, FILE_ALL_INFO *pFindData);
168 extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
169 const unsigned char *searchName,
170 FILE_ALL_INFO *findData,
171 int legacy /* whether to use old info level */,
172 const struct nls_table *nls_codepage, int remap);
173 extern int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon,
174 const unsigned char *searchName,
175 FILE_ALL_INFO *findData,
176 const struct nls_table *nls_codepage, int remap);
178 extern int CIFSSMBUnixQFileInfo(const int xid, struct cifsTconInfo *tcon,
179 u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
180 extern int CIFSSMBUnixQPathInfo(const int xid,
181 struct cifsTconInfo *tcon,
182 const unsigned char *searchName,
183 FILE_UNIX_BASIC_INFO *pFindData,
184 const struct nls_table *nls_codepage, int remap);
186 extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
187 const unsigned char *searchName,
188 struct dfs_info3_param **target_nodes,
189 unsigned int *number_of_nodes_in_array,
190 const struct nls_table *nls_codepage, int remap);
192 extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
193 const char *old_path,
194 const struct nls_table *nls_codepage,
195 unsigned int *pnum_referrals,
196 struct dfs_info3_param **preferrals,
198 extern void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
199 struct super_block *sb, struct smb_vol *vol);
200 extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon,
201 struct kstatfs *FSData);
202 extern int SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon,
203 struct kstatfs *FSData);
204 extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon,
207 extern int CIFSSMBQFSAttributeInfo(const int xid,
208 struct cifsTconInfo *tcon);
209 extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon);
210 extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon);
211 extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon,
212 struct kstatfs *FSData);
214 extern int CIFSSMBSetPathInfo(const int xid, struct cifsTconInfo *tcon,
215 const char *fileName, const FILE_BASIC_INFO *data,
216 const struct nls_table *nls_codepage,
217 int remap_special_chars);
218 extern int CIFSSMBSetFileInfo(const int xid, struct cifsTconInfo *tcon,
219 const FILE_BASIC_INFO *data, __u16 fid,
220 __u32 pid_of_opener);
221 extern int CIFSSMBSetFileDisposition(const int xid, struct cifsTconInfo *tcon,
222 bool delete_file, __u16 fid, __u32 pid_of_opener);
224 extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon,
225 char *fileName, __u16 dos_attributes,
226 const struct nls_table *nls_codepage);
227 #endif /* possibly unneeded function */
228 extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon,
229 const char *fileName, __u64 size,
230 bool setAllocationSizeFlag,
231 const struct nls_table *nls_codepage,
232 int remap_special_chars);
233 extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon,
234 __u64 size, __u16 fileHandle, __u32 opener_pid,
237 struct cifs_unix_set_info_args {
247 extern int CIFSSMBUnixSetFileInfo(const int xid, struct cifsTconInfo *tcon,
248 const struct cifs_unix_set_info_args *args,
249 u16 fid, u32 pid_of_opener);
251 extern int CIFSSMBUnixSetPathInfo(const int xid, struct cifsTconInfo *pTcon,
253 const struct cifs_unix_set_info_args *args,
254 const struct nls_table *nls_codepage,
255 int remap_special_chars);
257 extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon,
259 const struct nls_table *nls_codepage,
260 int remap_special_chars);
261 extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon,
262 const char *name, const struct nls_table *nls_codepage,
263 int remap_special_chars);
264 extern int CIFSPOSIXDelFile(const int xid, struct cifsTconInfo *tcon,
265 const char *name, __u16 type,
266 const struct nls_table *nls_codepage,
267 int remap_special_chars);
268 extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon,
270 const struct nls_table *nls_codepage,
271 int remap_special_chars);
272 extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon,
273 const char *fromName, const char *toName,
274 const struct nls_table *nls_codepage,
275 int remap_special_chars);
276 extern int CIFSSMBRenameOpenFile(const int xid, struct cifsTconInfo *pTcon,
277 int netfid, const char *target_name,
278 const struct nls_table *nls_codepage,
279 int remap_special_chars);
280 extern int CIFSCreateHardLink(const int xid,
281 struct cifsTconInfo *tcon,
282 const char *fromName, const char *toName,
283 const struct nls_table *nls_codepage,
284 int remap_special_chars);
285 extern int CIFSUnixCreateHardLink(const int xid,
286 struct cifsTconInfo *tcon,
287 const char *fromName, const char *toName,
288 const struct nls_table *nls_codepage,
289 int remap_special_chars);
290 extern int CIFSUnixCreateSymLink(const int xid,
291 struct cifsTconInfo *tcon,
292 const char *fromName, const char *toName,
293 const struct nls_table *nls_codepage);
294 extern int CIFSSMBUnixQuerySymLink(const int xid,
295 struct cifsTconInfo *tcon,
296 const unsigned char *searchName, char **syminfo,
297 const struct nls_table *nls_codepage);
298 extern int CIFSSMBQueryReparseLinkInfo(const int xid,
299 struct cifsTconInfo *tcon,
300 const unsigned char *searchName,
301 char *symlinkinfo, const int buflen, __u16 fid,
302 const struct nls_table *nls_codepage);
304 extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
305 const char *fileName, const int disposition,
306 const int access_flags, const int omode,
307 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
308 const struct nls_table *nls_codepage, int remap);
309 extern int SMBLegacyOpen(const int xid, struct cifsTconInfo *tcon,
310 const char *fileName, const int disposition,
311 const int access_flags, const int omode,
312 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
313 const struct nls_table *nls_codepage, int remap);
314 extern int CIFSPOSIXCreate(const int xid, struct cifsTconInfo *tcon,
315 u32 posix_flags, __u64 mode, __u16 *netfid,
316 FILE_UNIX_BASIC_INFO *pRetData,
317 __u32 *pOplock, const char *name,
318 const struct nls_table *nls_codepage, int remap);
319 extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon,
320 const int smb_file_id);
322 extern int CIFSSMBFlush(const int xid, struct cifsTconInfo *tcon,
323 const int smb_file_id);
325 extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
326 const int netfid, unsigned int count,
327 const __u64 lseek, unsigned int *nbytes, char **buf,
328 int *return_buf_type);
329 extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
330 const int netfid, const unsigned int count,
331 const __u64 lseek, unsigned int *nbytes,
332 const char *buf, const char __user *ubuf,
334 extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
335 const int netfid, const unsigned int count,
336 const __u64 offset, unsigned int *nbytes,
337 struct kvec *iov, const int nvec, const int long_op);
338 extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
339 const unsigned char *searchName, __u64 *inode_number,
340 const struct nls_table *nls_codepage,
341 int remap_special_chars);
342 extern int cifsConvertToUCS(__le16 *target, const char *source, int maxlen,
343 const struct nls_table *cp, int mapChars);
345 extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
346 const __u16 netfid, const __u64 len,
347 const __u64 offset, const __u32 numUnlock,
348 const __u32 numLock, const __u8 lockType,
349 const bool waitFlag);
350 extern int CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon,
351 const __u16 smb_file_id, const int get_flag,
352 const __u64 len, struct file_lock *,
353 const __u16 lock_type, const bool waitFlag);
354 extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon);
355 extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses);
357 extern struct cifsSesInfo *sesInfoAlloc(void);
358 extern void sesInfoFree(struct cifsSesInfo *);
359 extern struct cifsTconInfo *tconInfoAlloc(void);
360 extern void tconInfoFree(struct cifsTconInfo *);
362 extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
363 extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
365 extern int cifs_verify_signature(struct smb_hdr *,
366 const struct session_key *session_key,
367 __u32 expected_sequence_number);
368 extern int cifs_calculate_session_key(struct session_key *key, const char *rn,
370 extern void CalcNTLMv2_response(const struct cifsSesInfo *, char *);
371 extern int setup_ntlmv2_rsp(struct cifsSesInfo *, char *,
372 const struct nls_table *);
373 #ifdef CONFIG_CIFS_WEAK_PW_HASH
374 extern void calc_lanman_hash(const char *password, const char *cryptkey,
375 bool encrypt, char *lnm_session_key);
376 #endif /* CIFS_WEAK_PW_HASH */
377 extern int CIFSSMBCopy(int xid,
378 struct cifsTconInfo *source_tcon,
379 const char *fromName,
380 const __u16 target_tid,
381 const char *toName, const int flags,
382 const struct nls_table *nls_codepage,
383 int remap_special_chars);
384 extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
385 const int notify_subdirs, const __u16 netfid,
386 __u32 filter, struct file *file, int multishot,
387 const struct nls_table *nls_codepage);
388 extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
389 const unsigned char *searchName,
390 const unsigned char *ea_name, char *EAData,
391 size_t bufsize, const struct nls_table *nls_codepage,
392 int remap_special_chars);
393 extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon,
394 const char *fileName, const char *ea_name,
395 const void *ea_value, const __u16 ea_value_len,
396 const struct nls_table *nls_codepage, int remap_special_chars);
397 extern int CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon,
398 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
399 extern int CIFSSMBSetCIFSACL(const int, struct cifsTconInfo *, __u16,
400 struct cifs_ntsd *, __u32);
401 extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon,
402 const unsigned char *searchName,
403 char *acl_inf, const int buflen, const int acl_type,
404 const struct nls_table *nls_codepage, int remap_special_chars);
405 extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon,
406 const unsigned char *fileName,
407 const char *local_acl, const int buflen, const int acl_type,
408 const struct nls_table *nls_codepage, int remap_special_chars);
409 extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon,
410 const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
411 extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
412 extern bool CIFSCouldBeMFSymlink(const struct cifs_fattr *fattr);
413 extern int CIFSCheckMFSymlink(struct cifs_fattr *fattr,
414 const unsigned char *path,
415 struct cifs_sb_info *cifs_sb, int xid);
416 #endif /* _CIFSPROTO_H */