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);
42 #define GetXid() (int)_GetXid(); cFYI(1,("CIFS VFS: in %s as Xid: %d with uid: %d",__func__, xid,current_fsuid()));
43 #define FreeXid(curr_xid) {_FreeXid(curr_xid); cFYI(1,("CIFS VFS: leaving %s (xid = %d) rc = %d",__func__,curr_xid,(int)rc));}
44 extern char *build_path_from_dentry(struct dentry *);
45 extern char *cifs_build_path_to_root(struct cifs_sb_info *cifs_sb);
46 extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
47 /* extern void renew_parental_timestamps(struct dentry *direntry);*/
48 extern int SendReceive(const unsigned int /* xid */ , struct cifsSesInfo *,
49 struct smb_hdr * /* input */ ,
50 struct smb_hdr * /* out */ ,
51 int * /* bytes returned */ , const int long_op);
52 extern int SendReceiveNoRsp(const unsigned int xid, struct cifsSesInfo *ses,
53 struct smb_hdr *in_buf, int flags);
54 extern int SendReceive2(const unsigned int /* xid */ , struct cifsSesInfo *,
55 struct kvec *, int /* nvec to send */,
56 int * /* type of buf returned */ , const int flags);
57 extern int SendReceiveBlockingLock(const unsigned int xid,
58 struct cifsTconInfo *ptcon,
59 struct smb_hdr *in_buf ,
60 struct smb_hdr *out_buf,
62 extern int checkSMB(struct smb_hdr *smb, __u16 mid, unsigned int length);
63 extern bool is_valid_oplock_break(struct smb_hdr *smb,
64 struct TCP_Server_Info *);
65 extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
66 extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *);
67 #ifdef CONFIG_CIFS_EXPERIMENTAL
68 extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *);
70 extern unsigned int smbCalcSize(struct smb_hdr *ptr);
71 extern unsigned int smbCalcSize_LE(struct smb_hdr *ptr);
72 extern int decode_negTokenInit(unsigned char *security_blob, int length,
73 enum securityEnum *secType);
74 extern int cifs_inet_pton(const int, const char *source, void *dst);
75 extern int map_smb_to_linux_error(struct smb_hdr *smb, int logErr);
76 extern void header_assemble(struct smb_hdr *, char /* command */ ,
77 const struct cifsTconInfo *, int /* length of
78 fixed section (word count) in two byte units */);
79 extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
80 struct cifsSesInfo *ses,
82 extern int CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses,
84 const struct nls_table *nls_cp);
85 extern __u16 GetNextMid(struct TCP_Server_Info *server);
86 extern struct oplock_q_entry *AllocOplockQEntry(struct inode *, u16,
87 struct cifsTconInfo *);
88 extern void DeleteOplockQEntry(struct oplock_q_entry *);
89 extern void DeleteTconOplockQEntries(struct cifsTconInfo *);
90 extern struct timespec cifs_NTtimeToUnix(u64 utc_nanoseconds_since_1601);
91 extern u64 cifs_UnixTimeToNT(struct timespec);
92 extern __le64 cnvrtDosCifsTm(__u16 date, __u16 time);
93 extern struct timespec cnvrtDosUnixTm(__u16 date, __u16 time);
95 extern struct inode *cifs_new_inode(struct super_block *sb,
97 extern int cifs_get_inode_info(struct inode **pinode,
98 const unsigned char *search_path,
99 FILE_ALL_INFO *pfile_info,
100 struct super_block *sb, int xid, const __u16 *pfid);
101 extern int cifs_get_inode_info_unix(struct inode **pinode,
102 const unsigned char *search_path,
103 struct super_block *sb, int xid);
104 extern void acl_to_uid_mode(struct inode *inode, const char *path,
106 extern int mode_to_acl(struct inode *inode, const char *path, __u64);
108 extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *,
110 extern int cifs_umount(struct super_block *, struct cifs_sb_info *);
111 extern void cifs_dfs_release_automount_timer(void);
112 void cifs_proc_init(void);
113 void cifs_proc_clean(void);
115 extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
116 struct nls_table *nls_info);
117 extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses);
119 extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
120 const char *tree, struct cifsTconInfo *tcon,
121 const struct nls_table *);
123 extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon,
124 const char *searchName, const struct nls_table *nls_codepage,
125 __u16 *searchHandle, struct cifs_search_info *psrch_inf,
126 int map, const char dirsep);
128 extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
129 __u16 searchHandle, struct cifs_search_info *psrch_inf);
131 extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
132 const __u16 search_handle);
134 extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
135 const unsigned char *searchName,
136 FILE_ALL_INFO *findData,
137 int legacy /* whether to use old info level */,
138 const struct nls_table *nls_codepage, int remap);
139 extern int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon,
140 const unsigned char *searchName,
141 FILE_ALL_INFO *findData,
142 const struct nls_table *nls_codepage, int remap);
144 extern int CIFSSMBUnixQPathInfo(const int xid,
145 struct cifsTconInfo *tcon,
146 const unsigned char *searchName,
147 FILE_UNIX_BASIC_INFO *pFindData,
148 const struct nls_table *nls_codepage, int remap);
150 extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
151 const unsigned char *searchName,
152 struct dfs_info3_param **target_nodes,
153 unsigned int *number_of_nodes_in_array,
154 const struct nls_table *nls_codepage, int remap);
156 extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
157 const char *old_path,
158 const struct nls_table *nls_codepage,
159 unsigned int *pnum_referrals,
160 struct dfs_info3_param **preferrals,
162 extern void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
163 struct super_block *sb, struct smb_vol *vol);
164 extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon,
165 struct kstatfs *FSData);
166 extern int SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon,
167 struct kstatfs *FSData);
168 extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon,
171 extern int CIFSSMBQFSAttributeInfo(const int xid,
172 struct cifsTconInfo *tcon);
173 extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon);
174 extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon);
175 extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon,
176 struct kstatfs *FSData);
178 extern int CIFSSMBSetPathInfo(const int xid, struct cifsTconInfo *tcon,
179 const char *fileName, const FILE_BASIC_INFO *data,
180 const struct nls_table *nls_codepage,
181 int remap_special_chars);
182 extern int CIFSSMBSetFileInfo(const int xid, struct cifsTconInfo *tcon,
183 const FILE_BASIC_INFO *data, __u16 fid,
184 __u32 pid_of_opener);
185 extern int CIFSSMBSetFileDisposition(const int xid, struct cifsTconInfo *tcon,
186 bool delete_file, __u16 fid, __u32 pid_of_opener);
188 extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon,
189 char *fileName, __u16 dos_attributes,
190 const struct nls_table *nls_codepage);
191 #endif /* possibly unneeded function */
192 extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon,
193 const char *fileName, __u64 size,
194 bool setAllocationSizeFlag,
195 const struct nls_table *nls_codepage,
196 int remap_special_chars);
197 extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon,
198 __u64 size, __u16 fileHandle, __u32 opener_pid,
201 struct cifs_unix_set_info_args {
211 extern int CIFSSMBUnixSetInfo(const int xid, struct cifsTconInfo *pTcon,
213 const struct cifs_unix_set_info_args *args,
214 const struct nls_table *nls_codepage,
215 int remap_special_chars);
217 extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon,
219 const struct nls_table *nls_codepage,
220 int remap_special_chars);
221 extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon,
222 const char *name, const struct nls_table *nls_codepage,
223 int remap_special_chars);
224 extern int CIFSPOSIXDelFile(const int xid, struct cifsTconInfo *tcon,
225 const char *name, __u16 type,
226 const struct nls_table *nls_codepage,
227 int remap_special_chars);
228 extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon,
230 const struct nls_table *nls_codepage,
231 int remap_special_chars);
232 extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon,
233 const char *fromName, const char *toName,
234 const struct nls_table *nls_codepage,
235 int remap_special_chars);
236 extern int CIFSSMBRenameOpenFile(const int xid, struct cifsTconInfo *pTcon,
237 int netfid, const char *target_name,
238 const struct nls_table *nls_codepage,
239 int remap_special_chars);
240 extern int CIFSCreateHardLink(const int xid,
241 struct cifsTconInfo *tcon,
242 const char *fromName, const char *toName,
243 const struct nls_table *nls_codepage,
244 int remap_special_chars);
245 extern int CIFSUnixCreateHardLink(const int xid,
246 struct cifsTconInfo *tcon,
247 const char *fromName, const char *toName,
248 const struct nls_table *nls_codepage,
249 int remap_special_chars);
250 extern int CIFSUnixCreateSymLink(const int xid,
251 struct cifsTconInfo *tcon,
252 const char *fromName, const char *toName,
253 const struct nls_table *nls_codepage);
254 extern int CIFSSMBUnixQuerySymLink(const int xid,
255 struct cifsTconInfo *tcon,
256 const unsigned char *searchName,
257 char *syminfo, const int buflen,
258 const struct nls_table *nls_codepage);
259 extern int CIFSSMBQueryReparseLinkInfo(const int xid,
260 struct cifsTconInfo *tcon,
261 const unsigned char *searchName,
262 char *symlinkinfo, const int buflen, __u16 fid,
263 const struct nls_table *nls_codepage);
265 extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
266 const char *fileName, const int disposition,
267 const int access_flags, const int omode,
268 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
269 const struct nls_table *nls_codepage, int remap);
270 extern int SMBLegacyOpen(const int xid, struct cifsTconInfo *tcon,
271 const char *fileName, const int disposition,
272 const int access_flags, const int omode,
273 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
274 const struct nls_table *nls_codepage, int remap);
275 extern int CIFSPOSIXCreate(const int xid, struct cifsTconInfo *tcon,
276 u32 posix_flags, __u64 mode, __u16 *netfid,
277 FILE_UNIX_BASIC_INFO *pRetData,
278 __u32 *pOplock, const char *name,
279 const struct nls_table *nls_codepage, int remap);
280 extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon,
281 const int smb_file_id);
283 extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
284 const int netfid, unsigned int count,
285 const __u64 lseek, unsigned int *nbytes, char **buf,
286 int *return_buf_type);
287 extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
288 const int netfid, const unsigned int count,
289 const __u64 lseek, unsigned int *nbytes,
290 const char *buf, const char __user *ubuf,
292 extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
293 const int netfid, const unsigned int count,
294 const __u64 offset, unsigned int *nbytes,
295 struct kvec *iov, const int nvec, const int long_op);
296 extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
297 const unsigned char *searchName, __u64 *inode_number,
298 const struct nls_table *nls_codepage,
299 int remap_special_chars);
300 extern int cifs_convertUCSpath(char *target, const __le16 *source, int maxlen,
301 const struct nls_table *codepage);
302 extern int cifsConvertToUCS(__le16 *target, const char *source, int maxlen,
303 const struct nls_table *cp, int mapChars);
305 extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
306 const __u16 netfid, const __u64 len,
307 const __u64 offset, const __u32 numUnlock,
308 const __u32 numLock, const __u8 lockType,
309 const bool waitFlag);
310 extern int CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon,
311 const __u16 smb_file_id, const int get_flag,
312 const __u64 len, struct file_lock *,
313 const __u16 lock_type, const bool waitFlag);
314 extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon);
315 extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses);
317 extern struct cifsSesInfo *sesInfoAlloc(void);
318 extern void sesInfoFree(struct cifsSesInfo *);
319 extern struct cifsTconInfo *tconInfoAlloc(void);
320 extern void tconInfoFree(struct cifsTconInfo *);
322 extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
323 extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
325 extern int cifs_verify_signature(struct smb_hdr *,
326 const struct mac_key *mac_key,
327 __u32 expected_sequence_number);
328 extern int cifs_calculate_mac_key(struct mac_key *key, const char *rn,
330 extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo *,
331 const struct nls_table *);
332 extern void CalcNTLMv2_response(const struct cifsSesInfo *, char *);
333 extern void setup_ntlmv2_rsp(struct cifsSesInfo *, char *,
334 const struct nls_table *);
335 #ifdef CONFIG_CIFS_WEAK_PW_HASH
336 extern void calc_lanman_hash(const char *password, const char *cryptkey,
337 bool encrypt, char *lnm_session_key);
338 #endif /* CIFS_WEAK_PW_HASH */
339 extern int CIFSSMBCopy(int xid,
340 struct cifsTconInfo *source_tcon,
341 const char *fromName,
342 const __u16 target_tid,
343 const char *toName, const int flags,
344 const struct nls_table *nls_codepage,
345 int remap_special_chars);
346 extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
347 const int notify_subdirs, const __u16 netfid,
348 __u32 filter, struct file *file, int multishot,
349 const struct nls_table *nls_codepage);
350 extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
351 const unsigned char *searchName, char *EAData,
352 size_t bufsize, const struct nls_table *nls_codepage,
353 int remap_special_chars);
354 extern ssize_t CIFSSMBQueryEA(const int xid, struct cifsTconInfo *tcon,
355 const unsigned char *searchName, const unsigned char *ea_name,
356 unsigned char *ea_value, size_t buf_size,
357 const struct nls_table *nls_codepage, int remap_special_chars);
358 extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon,
359 const char *fileName, const char *ea_name,
360 const void *ea_value, const __u16 ea_value_len,
361 const struct nls_table *nls_codepage, int remap_special_chars);
362 extern int CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon,
363 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
364 extern int CIFSSMBSetCIFSACL(const int, struct cifsTconInfo *, __u16,
365 struct cifs_ntsd *, __u32);
366 extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon,
367 const unsigned char *searchName,
368 char *acl_inf, const int buflen, const int acl_type,
369 const struct nls_table *nls_codepage, int remap_special_chars);
370 extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon,
371 const unsigned char *fileName,
372 const char *local_acl, const int buflen, const int acl_type,
373 const struct nls_table *nls_codepage, int remap_special_chars);
374 extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon,
375 const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
376 #endif /* _CIFSPROTO_H */