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 *);
82 #ifdef CONFIG_CIFS_EXPERIMENTAL
83 extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *);
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 enum securityEnum *secType);
89 extern int cifs_convert_address(char *src, void *dst);
90 extern int map_smb_to_linux_error(struct smb_hdr *smb, int logErr);
91 extern void header_assemble(struct smb_hdr *, char /* command */ ,
92 const struct cifsTconInfo *, int /* length of
93 fixed section (word count) in two byte units */);
94 extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
95 struct cifsSesInfo *ses,
97 extern int CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses,
98 const struct nls_table *nls_cp);
99 extern __u16 GetNextMid(struct TCP_Server_Info *server);
100 extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
101 extern u64 cifs_UnixTimeToNT(struct timespec);
102 extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
105 extern struct cifsFileInfo *cifs_new_fileinfo(struct inode *newinode,
106 __u16 fileHandle, struct file *file,
107 struct vfsmount *mnt, unsigned int oflags);
108 extern int cifs_posix_open(char *full_path, struct inode **pinode,
109 struct vfsmount *mnt,
110 struct super_block *sb,
111 int mode, int oflags,
112 __u32 *poplock, __u16 *pnetfid, int xid);
113 extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
114 FILE_UNIX_BASIC_INFO *info,
115 struct cifs_sb_info *cifs_sb);
116 extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
117 extern struct inode *cifs_iget(struct super_block *sb,
118 struct cifs_fattr *fattr);
120 extern int cifs_get_file_info(struct file *filp);
121 extern int cifs_get_inode_info(struct inode **pinode,
122 const unsigned char *search_path,
123 FILE_ALL_INFO *pfile_info,
124 struct super_block *sb, int xid, const __u16 *pfid);
125 extern int cifs_get_file_info_unix(struct file *filp);
126 extern int cifs_get_inode_info_unix(struct inode **pinode,
127 const unsigned char *search_path,
128 struct super_block *sb, int xid);
129 extern void cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
130 struct cifs_fattr *fattr, struct inode *inode,
131 const char *path, const __u16 *pfid);
132 extern int mode_to_acl(struct inode *inode, const char *path, __u64);
134 extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *,
136 extern int cifs_umount(struct super_block *, struct cifs_sb_info *);
137 extern void cifs_dfs_release_automount_timer(void);
138 void cifs_proc_init(void);
139 void cifs_proc_clean(void);
141 extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
142 struct nls_table *nls_info);
143 extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses);
145 extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
146 const char *tree, struct cifsTconInfo *tcon,
147 const struct nls_table *);
149 extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon,
150 const char *searchName, const struct nls_table *nls_codepage,
151 __u16 *searchHandle, struct cifs_search_info *psrch_inf,
152 int map, const char dirsep);
154 extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
155 __u16 searchHandle, struct cifs_search_info *psrch_inf);
157 extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
158 const __u16 search_handle);
160 extern int CIFSSMBQFileInfo(const int xid, struct cifsTconInfo *tcon,
161 u16 netfid, FILE_ALL_INFO *pFindData);
162 extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
163 const unsigned char *searchName,
164 FILE_ALL_INFO *findData,
165 int legacy /* whether to use old info level */,
166 const struct nls_table *nls_codepage, int remap);
167 extern int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon,
168 const unsigned char *searchName,
169 FILE_ALL_INFO *findData,
170 const struct nls_table *nls_codepage, int remap);
172 extern int CIFSSMBUnixQFileInfo(const int xid, struct cifsTconInfo *tcon,
173 u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
174 extern int CIFSSMBUnixQPathInfo(const int xid,
175 struct cifsTconInfo *tcon,
176 const unsigned char *searchName,
177 FILE_UNIX_BASIC_INFO *pFindData,
178 const struct nls_table *nls_codepage, int remap);
180 extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
181 const unsigned char *searchName,
182 struct dfs_info3_param **target_nodes,
183 unsigned int *number_of_nodes_in_array,
184 const struct nls_table *nls_codepage, int remap);
186 extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
187 const char *old_path,
188 const struct nls_table *nls_codepage,
189 unsigned int *pnum_referrals,
190 struct dfs_info3_param **preferrals,
192 extern void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
193 struct super_block *sb, struct smb_vol *vol);
194 extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon,
195 struct kstatfs *FSData);
196 extern int SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon,
197 struct kstatfs *FSData);
198 extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon,
201 extern int CIFSSMBQFSAttributeInfo(const int xid,
202 struct cifsTconInfo *tcon);
203 extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon);
204 extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon);
205 extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon,
206 struct kstatfs *FSData);
208 extern int CIFSSMBSetPathInfo(const int xid, struct cifsTconInfo *tcon,
209 const char *fileName, const FILE_BASIC_INFO *data,
210 const struct nls_table *nls_codepage,
211 int remap_special_chars);
212 extern int CIFSSMBSetFileInfo(const int xid, struct cifsTconInfo *tcon,
213 const FILE_BASIC_INFO *data, __u16 fid,
214 __u32 pid_of_opener);
215 extern int CIFSSMBSetFileDisposition(const int xid, struct cifsTconInfo *tcon,
216 bool delete_file, __u16 fid, __u32 pid_of_opener);
218 extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon,
219 char *fileName, __u16 dos_attributes,
220 const struct nls_table *nls_codepage);
221 #endif /* possibly unneeded function */
222 extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon,
223 const char *fileName, __u64 size,
224 bool setAllocationSizeFlag,
225 const struct nls_table *nls_codepage,
226 int remap_special_chars);
227 extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon,
228 __u64 size, __u16 fileHandle, __u32 opener_pid,
231 struct cifs_unix_set_info_args {
241 extern int CIFSSMBUnixSetFileInfo(const int xid, struct cifsTconInfo *tcon,
242 const struct cifs_unix_set_info_args *args,
243 u16 fid, u32 pid_of_opener);
245 extern int CIFSSMBUnixSetPathInfo(const int xid, struct cifsTconInfo *pTcon,
247 const struct cifs_unix_set_info_args *args,
248 const struct nls_table *nls_codepage,
249 int remap_special_chars);
251 extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon,
253 const struct nls_table *nls_codepage,
254 int remap_special_chars);
255 extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon,
256 const char *name, const struct nls_table *nls_codepage,
257 int remap_special_chars);
258 extern int CIFSPOSIXDelFile(const int xid, struct cifsTconInfo *tcon,
259 const char *name, __u16 type,
260 const struct nls_table *nls_codepage,
261 int remap_special_chars);
262 extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon,
264 const struct nls_table *nls_codepage,
265 int remap_special_chars);
266 extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon,
267 const char *fromName, const char *toName,
268 const struct nls_table *nls_codepage,
269 int remap_special_chars);
270 extern int CIFSSMBRenameOpenFile(const int xid, struct cifsTconInfo *pTcon,
271 int netfid, const char *target_name,
272 const struct nls_table *nls_codepage,
273 int remap_special_chars);
274 extern int CIFSCreateHardLink(const int xid,
275 struct cifsTconInfo *tcon,
276 const char *fromName, const char *toName,
277 const struct nls_table *nls_codepage,
278 int remap_special_chars);
279 extern int CIFSUnixCreateHardLink(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 CIFSUnixCreateSymLink(const int xid,
285 struct cifsTconInfo *tcon,
286 const char *fromName, const char *toName,
287 const struct nls_table *nls_codepage);
288 extern int CIFSSMBUnixQuerySymLink(const int xid,
289 struct cifsTconInfo *tcon,
290 const unsigned char *searchName, char **syminfo,
291 const struct nls_table *nls_codepage);
292 extern int CIFSSMBQueryReparseLinkInfo(const int xid,
293 struct cifsTconInfo *tcon,
294 const unsigned char *searchName,
295 char *symlinkinfo, const int buflen, __u16 fid,
296 const struct nls_table *nls_codepage);
298 extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
299 const char *fileName, const int disposition,
300 const int access_flags, const int omode,
301 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
302 const struct nls_table *nls_codepage, int remap);
303 extern int SMBLegacyOpen(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 CIFSPOSIXCreate(const int xid, struct cifsTconInfo *tcon,
309 u32 posix_flags, __u64 mode, __u16 *netfid,
310 FILE_UNIX_BASIC_INFO *pRetData,
311 __u32 *pOplock, const char *name,
312 const struct nls_table *nls_codepage, int remap);
313 extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon,
314 const int smb_file_id);
316 extern int CIFSSMBFlush(const int xid, struct cifsTconInfo *tcon,
317 const int smb_file_id);
319 extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
320 const int netfid, unsigned int count,
321 const __u64 lseek, unsigned int *nbytes, char **buf,
322 int *return_buf_type);
323 extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
324 const int netfid, const unsigned int count,
325 const __u64 lseek, unsigned int *nbytes,
326 const char *buf, const char __user *ubuf,
328 extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
329 const int netfid, const unsigned int count,
330 const __u64 offset, unsigned int *nbytes,
331 struct kvec *iov, const int nvec, const int long_op);
332 extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
333 const unsigned char *searchName, __u64 *inode_number,
334 const struct nls_table *nls_codepage,
335 int remap_special_chars);
336 extern int cifsConvertToUCS(__le16 *target, const char *source, int maxlen,
337 const struct nls_table *cp, int mapChars);
339 extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
340 const __u16 netfid, const __u64 len,
341 const __u64 offset, const __u32 numUnlock,
342 const __u32 numLock, const __u8 lockType,
343 const bool waitFlag);
344 extern int CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon,
345 const __u16 smb_file_id, const int get_flag,
346 const __u64 len, struct file_lock *,
347 const __u16 lock_type, const bool waitFlag);
348 extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon);
349 extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses);
351 extern struct cifsSesInfo *sesInfoAlloc(void);
352 extern void sesInfoFree(struct cifsSesInfo *);
353 extern struct cifsTconInfo *tconInfoAlloc(void);
354 extern void tconInfoFree(struct cifsTconInfo *);
356 extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
357 extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
359 extern int cifs_verify_signature(struct smb_hdr *,
360 const struct mac_key *mac_key,
361 __u32 expected_sequence_number);
362 extern int cifs_calculate_mac_key(struct mac_key *key, const char *rn,
364 extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo *,
365 const struct nls_table *);
366 extern void CalcNTLMv2_response(const struct cifsSesInfo *, char *);
367 extern void setup_ntlmv2_rsp(struct cifsSesInfo *, char *,
368 const struct nls_table *);
369 #ifdef CONFIG_CIFS_WEAK_PW_HASH
370 extern void calc_lanman_hash(const char *password, const char *cryptkey,
371 bool encrypt, char *lnm_session_key);
372 #endif /* CIFS_WEAK_PW_HASH */
373 extern int CIFSSMBCopy(int xid,
374 struct cifsTconInfo *source_tcon,
375 const char *fromName,
376 const __u16 target_tid,
377 const char *toName, const int flags,
378 const struct nls_table *nls_codepage,
379 int remap_special_chars);
380 extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
381 const int notify_subdirs, const __u16 netfid,
382 __u32 filter, struct file *file, int multishot,
383 const struct nls_table *nls_codepage);
384 extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
385 const unsigned char *searchName,
386 const unsigned char *ea_name, char *EAData,
387 size_t bufsize, const struct nls_table *nls_codepage,
388 int remap_special_chars);
389 extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon,
390 const char *fileName, const char *ea_name,
391 const void *ea_value, const __u16 ea_value_len,
392 const struct nls_table *nls_codepage, int remap_special_chars);
393 extern int CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon,
394 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
395 extern int CIFSSMBSetCIFSACL(const int, struct cifsTconInfo *, __u16,
396 struct cifs_ntsd *, __u32);
397 extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon,
398 const unsigned char *searchName,
399 char *acl_inf, const int buflen, const int acl_type,
400 const struct nls_table *nls_codepage, int remap_special_chars);
401 extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon,
402 const unsigned char *fileName,
403 const char *local_acl, const int buflen, const int acl_type,
404 const struct nls_table *nls_codepage, int remap_special_chars);
405 extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon,
406 const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
407 extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
408 #endif /* _CIFSPROTO_H */