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