4 * Copyright (c) International Business Machines Corp., 2002,2007
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",__FUNCTION__, xid,current->fsuid));
43 #define FreeXid(curr_xid) {_FreeXid(curr_xid); cFYI(1,("CIFS VFS: leaving %s (xid = %d) rc = %d",__FUNCTION__,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 SendReceive2(const unsigned int /* xid */ , struct cifsSesInfo *,
52 struct kvec *, int /* nvec to send */,
53 int * /* type of buf returned */ , const int long_op,
54 const int logError /* whether to log status code*/ );
55 extern int SendReceiveBlockingLock(const unsigned int /* xid */ ,
56 struct cifsTconInfo *,
57 struct smb_hdr * /* input */ ,
58 struct smb_hdr * /* out */ ,
59 int * /* bytes returned */);
60 extern int checkSMB(struct smb_hdr *smb, __u16 mid, unsigned int length);
61 extern int is_valid_oplock_break(struct smb_hdr *smb, struct TCP_Server_Info *);
62 extern int is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
63 extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *);
64 #ifdef CONFIG_CIFS_EXPERIMENTAL
65 extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *);
67 extern unsigned int smbCalcSize(struct smb_hdr *ptr);
68 extern unsigned int smbCalcSize_LE(struct smb_hdr *ptr);
69 extern int decode_negTokenInit(unsigned char *security_blob, int length,
70 enum securityEnum *secType);
71 extern int cifs_inet_pton(int, char *source, void *dst);
72 extern int map_smb_to_linux_error(struct smb_hdr *smb, int logErr);
73 extern void header_assemble(struct smb_hdr *, char /* command */ ,
74 const struct cifsTconInfo *, int /* length of
75 fixed section (word count) in two byte units */);
76 extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
77 struct cifsSesInfo *ses,
79 extern int CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses,
81 const struct nls_table *nls_cp);
82 extern __u16 GetNextMid(struct TCP_Server_Info *server);
83 extern struct oplock_q_entry *AllocOplockQEntry(struct inode *, u16,
84 struct cifsTconInfo *);
85 extern void DeleteOplockQEntry(struct oplock_q_entry *);
86 extern struct timespec cifs_NTtimeToUnix(u64 /* utc nanoseconds since 1601 */ );
87 extern u64 cifs_UnixTimeToNT(struct timespec);
88 extern __le64 cnvrtDosCifsTm(__u16 date, __u16 time);
89 extern struct timespec cnvrtDosUnixTm(__u16 date, __u16 time);
91 extern int cifs_get_inode_info(struct inode **pinode,
92 const unsigned char *search_path,
93 FILE_ALL_INFO * pfile_info,
94 struct super_block *sb, int xid);
95 extern int cifs_get_inode_info_unix(struct inode **pinode,
96 const unsigned char *search_path,
97 struct super_block *sb, int xid);
98 extern void acl_to_uid_mode(struct inode *inode, const char *search_path);
99 extern int mode_to_acl(struct inode *inode, const char *path);
101 extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *,
103 extern int cifs_umount(struct super_block *, struct cifs_sb_info *);
104 void cifs_proc_init(void);
105 void cifs_proc_clean(void);
107 extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
108 struct nls_table *nls_info);
109 extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses);
111 extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
112 const char *tree, struct cifsTconInfo *tcon,
113 const struct nls_table *);
115 extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon,
116 const char *searchName, const struct nls_table *nls_codepage,
117 __u16 *searchHandle, struct cifs_search_info *psrch_inf,
118 int map, const char dirsep);
120 extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
121 __u16 searchHandle, struct cifs_search_info *psrch_inf);
123 extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
124 const __u16 search_handle);
126 extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
127 const unsigned char *searchName,
128 FILE_ALL_INFO * findData,
129 int legacy /* whether to use old info level */,
130 const struct nls_table *nls_codepage, int remap);
131 extern int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon,
132 const unsigned char *searchName,
133 FILE_ALL_INFO *findData,
134 const struct nls_table *nls_codepage, int remap);
136 extern int CIFSSMBUnixQPathInfo(const int xid,
137 struct cifsTconInfo *tcon,
138 const unsigned char *searchName,
139 FILE_UNIX_BASIC_INFO * pFindData,
140 const struct nls_table *nls_codepage, int remap);
142 extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
143 const unsigned char *searchName,
144 unsigned char **targetUNCs,
145 unsigned int *number_of_UNC_in_array,
146 const struct nls_table *nls_codepage, int remap);
148 extern int connect_to_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
149 const char *old_path,
150 const struct nls_table *nls_codepage, int remap);
151 extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
152 const char *old_path,
153 const struct nls_table *nls_codepage,
154 unsigned int *pnum_referrals,
155 unsigned char **preferrals,
157 extern void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
158 struct super_block *sb, struct smb_vol *vol);
159 extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon,
160 struct kstatfs *FSData);
161 extern int SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon,
162 struct kstatfs *FSData);
163 extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon,
166 extern int CIFSSMBQFSAttributeInfo(const int xid,
167 struct cifsTconInfo *tcon);
168 extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon);
169 extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon);
170 extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon,
171 struct kstatfs *FSData);
173 extern int CIFSSMBSetTimes(const int xid, struct cifsTconInfo *tcon,
174 const char *fileName, const FILE_BASIC_INFO * data,
175 const struct nls_table *nls_codepage,
176 int remap_special_chars);
177 extern int CIFSSMBSetFileTimes(const int xid, struct cifsTconInfo *tcon,
178 const FILE_BASIC_INFO * data, __u16 fid);
180 extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon,
181 char *fileName, __u16 dos_attributes,
182 const struct nls_table *nls_codepage);
183 #endif /* possibly unneeded function */
184 extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon,
185 const char *fileName, __u64 size,
186 int setAllocationSizeFlag,
187 const struct nls_table *nls_codepage,
188 int remap_special_chars);
189 extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon,
190 __u64 size, __u16 fileHandle, __u32 opener_pid,
192 extern int CIFSSMBUnixSetPerms(const int xid, struct cifsTconInfo *pTcon,
193 char *full_path, __u64 mode, __u64 uid,
194 __u64 gid, dev_t dev,
195 const struct nls_table *nls_codepage,
196 int remap_special_chars);
198 extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon,
200 const struct nls_table *nls_codepage,
201 int remap_special_chars);
202 extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon,
203 const char *name, const struct nls_table *nls_codepage,
204 int remap_special_chars);
205 extern int CIFSPOSIXDelFile(const int xid, struct cifsTconInfo *tcon,
206 const char *name, __u16 type,
207 const struct nls_table *nls_codepage,
208 int remap_special_chars);
209 extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon,
211 const struct nls_table *nls_codepage,
212 int remap_special_chars);
213 extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon,
214 const char *fromName, const char *toName,
215 const struct nls_table *nls_codepage,
216 int remap_special_chars);
217 extern int CIFSSMBRenameOpenFile(const int xid, struct cifsTconInfo *pTcon,
218 int netfid, char *target_name,
219 const struct nls_table *nls_codepage,
220 int remap_special_chars);
221 extern int CIFSCreateHardLink(const int xid,
222 struct cifsTconInfo *tcon,
223 const char *fromName, const char *toName,
224 const struct nls_table *nls_codepage,
225 int remap_special_chars);
226 extern int CIFSUnixCreateHardLink(const int xid,
227 struct cifsTconInfo *tcon,
228 const char *fromName, const char *toName,
229 const struct nls_table *nls_codepage,
230 int remap_special_chars);
231 extern int CIFSUnixCreateSymLink(const int xid,
232 struct cifsTconInfo *tcon,
233 const char *fromName, const char *toName,
234 const struct nls_table *nls_codepage);
235 extern int CIFSSMBUnixQuerySymLink(const int xid,
236 struct cifsTconInfo *tcon,
237 const unsigned char *searchName,
238 char *syminfo, const int buflen,
239 const struct nls_table *nls_codepage);
240 extern int CIFSSMBQueryReparseLinkInfo(const int xid,
241 struct cifsTconInfo *tcon,
242 const unsigned char *searchName,
243 char *symlinkinfo, const int buflen, __u16 fid,
244 const struct nls_table *nls_codepage);
246 extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
247 const char *fileName, const int disposition,
248 const int access_flags, const int omode,
249 __u16 * netfid, int *pOplock, FILE_ALL_INFO *,
250 const struct nls_table *nls_codepage, int remap);
251 extern int SMBLegacyOpen(const int xid, struct cifsTconInfo *tcon,
252 const char *fileName, const int disposition,
253 const int access_flags, const int omode,
254 __u16 * netfid, int *pOplock, FILE_ALL_INFO *,
255 const struct nls_table *nls_codepage, int remap);
256 extern int CIFSPOSIXCreate(const int xid, struct cifsTconInfo *tcon,
257 u32 posix_flags, __u64 mode, __u16 * netfid,
258 FILE_UNIX_BASIC_INFO *pRetData,
259 __u32 *pOplock, const char *name,
260 const struct nls_table *nls_codepage, int remap);
261 extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon,
262 const int smb_file_id);
264 extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
265 const int netfid, unsigned int count,
266 const __u64 lseek, unsigned int *nbytes, char **buf,
267 int *return_buf_type);
268 extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
269 const int netfid, const unsigned int count,
270 const __u64 lseek, unsigned int *nbytes,
271 const char *buf, const char __user *ubuf,
273 extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
274 const int netfid, const unsigned int count,
275 const __u64 offset, unsigned int *nbytes,
276 struct kvec *iov, const int nvec, const int long_op);
277 extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
278 const unsigned char *searchName, __u64 * inode_number,
279 const struct nls_table *nls_codepage,
280 int remap_special_chars);
281 extern int cifs_convertUCSpath(char *target, const __le16 *source, int maxlen,
282 const struct nls_table *codepage);
283 extern int cifsConvertToUCS(__le16 *target, const char *source, int maxlen,
284 const struct nls_table *cp, int mapChars);
286 extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
287 const __u16 netfid, const __u64 len,
288 const __u64 offset, const __u32 numUnlock,
289 const __u32 numLock, const __u8 lockType,
291 extern int CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon,
292 const __u16 smb_file_id, const int get_flag,
293 const __u64 len, struct file_lock *,
294 const __u16 lock_type, const int waitFlag);
295 extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon);
296 extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses);
298 extern struct cifsSesInfo *sesInfoAlloc(void);
299 extern void sesInfoFree(struct cifsSesInfo *);
300 extern struct cifsTconInfo *tconInfoAlloc(void);
301 extern void tconInfoFree(struct cifsTconInfo *);
303 extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
304 extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
306 extern int cifs_verify_signature(struct smb_hdr *,
307 const struct mac_key *mac_key,
308 __u32 expected_sequence_number);
309 extern int cifs_calculate_mac_key(struct mac_key *key, const char *rn,
311 extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo *,
312 const struct nls_table *);
313 extern void CalcNTLMv2_response(const struct cifsSesInfo *, char *);
314 extern void setup_ntlmv2_rsp(struct cifsSesInfo *, char *,
315 const struct nls_table *);
316 #ifdef CONFIG_CIFS_WEAK_PW_HASH
317 extern void calc_lanman_hash(struct cifsSesInfo *ses, char *lnm_session_key);
318 #endif /* CIFS_WEAK_PW_HASH */
319 extern int CIFSSMBCopy(int xid,
320 struct cifsTconInfo *source_tcon,
321 const char *fromName,
322 const __u16 target_tid,
323 const char *toName, const int flags,
324 const struct nls_table *nls_codepage,
325 int remap_special_chars);
326 extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
327 const int notify_subdirs, const __u16 netfid,
328 __u32 filter, struct file *file, int multishot,
329 const struct nls_table *nls_codepage);
330 extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
331 const unsigned char *searchName, char *EAData,
332 size_t bufsize, const struct nls_table *nls_codepage,
333 int remap_special_chars);
334 extern ssize_t CIFSSMBQueryEA(const int xid, struct cifsTconInfo *tcon,
335 const unsigned char *searchName, const unsigned char *ea_name,
336 unsigned char *ea_value, size_t buf_size,
337 const struct nls_table *nls_codepage, int remap_special_chars);
338 extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon,
339 const char *fileName, const char *ea_name,
340 const void *ea_value, const __u16 ea_value_len,
341 const struct nls_table *nls_codepage, int remap_special_chars);
342 extern int CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon,
343 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
344 extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon,
345 const unsigned char *searchName,
346 char *acl_inf, const int buflen, const int acl_type,
347 const struct nls_table *nls_codepage, int remap_special_chars);
348 extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon,
349 const unsigned char *fileName,
350 const char *local_acl, const int buflen, const int acl_type,
351 const struct nls_table *nls_codepage, int remap_special_chars);
352 extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon,
353 const int netfid, __u64 * pExtAttrBits, __u64 *pMask);
354 #endif /* _CIFSPROTO_H */