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, __u64 *inum);
96 extern int cifs_get_inode_info(struct inode **pinode,
97 const unsigned char *search_path,
98 FILE_ALL_INFO *pfile_info,
99 struct super_block *sb, int xid, const __u16 *pfid);
100 extern int cifs_get_inode_info_unix(struct inode **pinode,
101 const unsigned char *search_path,
102 struct super_block *sb, int xid);
103 extern void acl_to_uid_mode(struct inode *inode, const char *path,
105 extern int mode_to_acl(struct inode *inode, const char *path, __u64);
107 extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *,
109 extern int cifs_umount(struct super_block *, struct cifs_sb_info *);
110 extern void cifs_dfs_release_automount_timer(void);
111 void cifs_proc_init(void);
112 void cifs_proc_clean(void);
114 extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
115 struct nls_table *nls_info);
116 extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses);
118 extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
119 const char *tree, struct cifsTconInfo *tcon,
120 const struct nls_table *);
122 extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon,
123 const char *searchName, const struct nls_table *nls_codepage,
124 __u16 *searchHandle, struct cifs_search_info *psrch_inf,
125 int map, const char dirsep);
127 extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
128 __u16 searchHandle, struct cifs_search_info *psrch_inf);
130 extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
131 const __u16 search_handle);
133 extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
134 const unsigned char *searchName,
135 FILE_ALL_INFO *findData,
136 int legacy /* whether to use old info level */,
137 const struct nls_table *nls_codepage, int remap);
138 extern int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon,
139 const unsigned char *searchName,
140 FILE_ALL_INFO *findData,
141 const struct nls_table *nls_codepage, int remap);
143 extern int CIFSSMBUnixQPathInfo(const int xid,
144 struct cifsTconInfo *tcon,
145 const unsigned char *searchName,
146 FILE_UNIX_BASIC_INFO *pFindData,
147 const struct nls_table *nls_codepage, int remap);
149 extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
150 const unsigned char *searchName,
151 struct dfs_info3_param **target_nodes,
152 unsigned int *number_of_nodes_in_array,
153 const struct nls_table *nls_codepage, int remap);
155 extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
156 const char *old_path,
157 const struct nls_table *nls_codepage,
158 unsigned int *pnum_referrals,
159 struct dfs_info3_param **preferrals,
161 extern void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
162 struct super_block *sb, struct smb_vol *vol);
163 extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon,
164 struct kstatfs *FSData);
165 extern int SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon,
166 struct kstatfs *FSData);
167 extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon,
170 extern int CIFSSMBQFSAttributeInfo(const int xid,
171 struct cifsTconInfo *tcon);
172 extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon);
173 extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon);
174 extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon,
175 struct kstatfs *FSData);
177 extern int CIFSSMBSetPathInfo(const int xid, struct cifsTconInfo *tcon,
178 const char *fileName, const FILE_BASIC_INFO *data,
179 const struct nls_table *nls_codepage,
180 int remap_special_chars);
181 extern int CIFSSMBSetFileInfo(const int xid, struct cifsTconInfo *tcon,
182 const FILE_BASIC_INFO *data, __u16 fid,
183 __u32 pid_of_opener);
184 extern int CIFSSMBSetFileDisposition(const int xid, struct cifsTconInfo *tcon,
185 bool delete_file, __u16 fid, __u32 pid_of_opener);
187 extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon,
188 char *fileName, __u16 dos_attributes,
189 const struct nls_table *nls_codepage);
190 #endif /* possibly unneeded function */
191 extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon,
192 const char *fileName, __u64 size,
193 bool setAllocationSizeFlag,
194 const struct nls_table *nls_codepage,
195 int remap_special_chars);
196 extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon,
197 __u64 size, __u16 fileHandle, __u32 opener_pid,
200 struct cifs_unix_set_info_args {
210 extern int CIFSSMBUnixSetInfo(const int xid, struct cifsTconInfo *pTcon,
212 const struct cifs_unix_set_info_args *args,
213 const struct nls_table *nls_codepage,
214 int remap_special_chars);
216 extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon,
218 const struct nls_table *nls_codepage,
219 int remap_special_chars);
220 extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon,
221 const char *name, const struct nls_table *nls_codepage,
222 int remap_special_chars);
223 extern int CIFSPOSIXDelFile(const int xid, struct cifsTconInfo *tcon,
224 const char *name, __u16 type,
225 const struct nls_table *nls_codepage,
226 int remap_special_chars);
227 extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon,
229 const struct nls_table *nls_codepage,
230 int remap_special_chars);
231 extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon,
232 const char *fromName, const char *toName,
233 const struct nls_table *nls_codepage,
234 int remap_special_chars);
235 extern int CIFSSMBRenameOpenFile(const int xid, struct cifsTconInfo *pTcon,
236 int netfid, const char *target_name,
237 const struct nls_table *nls_codepage,
238 int remap_special_chars);
239 extern int CIFSCreateHardLink(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 CIFSUnixCreateHardLink(const int xid,
245 struct cifsTconInfo *tcon,
246 const char *fromName, const char *toName,
247 const struct nls_table *nls_codepage,
248 int remap_special_chars);
249 extern int CIFSUnixCreateSymLink(const int xid,
250 struct cifsTconInfo *tcon,
251 const char *fromName, const char *toName,
252 const struct nls_table *nls_codepage);
253 extern int CIFSSMBUnixQuerySymLink(const int xid,
254 struct cifsTconInfo *tcon,
255 const unsigned char *searchName,
256 char *syminfo, const int buflen,
257 const struct nls_table *nls_codepage);
258 extern int CIFSSMBQueryReparseLinkInfo(const int xid,
259 struct cifsTconInfo *tcon,
260 const unsigned char *searchName,
261 char *symlinkinfo, const int buflen, __u16 fid,
262 const struct nls_table *nls_codepage);
264 extern int CIFSSMBOpen(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 SMBLegacyOpen(const int xid, struct cifsTconInfo *tcon,
270 const char *fileName, const int disposition,
271 const int access_flags, const int omode,
272 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
273 const struct nls_table *nls_codepage, int remap);
274 extern int CIFSPOSIXCreate(const int xid, struct cifsTconInfo *tcon,
275 u32 posix_flags, __u64 mode, __u16 *netfid,
276 FILE_UNIX_BASIC_INFO *pRetData,
277 __u32 *pOplock, const char *name,
278 const struct nls_table *nls_codepage, int remap);
279 extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon,
280 const int smb_file_id);
282 extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
283 const int netfid, unsigned int count,
284 const __u64 lseek, unsigned int *nbytes, char **buf,
285 int *return_buf_type);
286 extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
287 const int netfid, const unsigned int count,
288 const __u64 lseek, unsigned int *nbytes,
289 const char *buf, const char __user *ubuf,
291 extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
292 const int netfid, const unsigned int count,
293 const __u64 offset, unsigned int *nbytes,
294 struct kvec *iov, const int nvec, const int long_op);
295 extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
296 const unsigned char *searchName, __u64 *inode_number,
297 const struct nls_table *nls_codepage,
298 int remap_special_chars);
299 extern int cifs_convertUCSpath(char *target, const __le16 *source, int maxlen,
300 const struct nls_table *codepage);
301 extern int cifsConvertToUCS(__le16 *target, const char *source, int maxlen,
302 const struct nls_table *cp, int mapChars);
304 extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
305 const __u16 netfid, const __u64 len,
306 const __u64 offset, const __u32 numUnlock,
307 const __u32 numLock, const __u8 lockType,
308 const bool waitFlag);
309 extern int CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon,
310 const __u16 smb_file_id, const int get_flag,
311 const __u64 len, struct file_lock *,
312 const __u16 lock_type, const bool waitFlag);
313 extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon);
314 extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses);
316 extern struct cifsSesInfo *sesInfoAlloc(void);
317 extern void sesInfoFree(struct cifsSesInfo *);
318 extern struct cifsTconInfo *tconInfoAlloc(void);
319 extern void tconInfoFree(struct cifsTconInfo *);
321 extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
322 extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
324 extern int cifs_verify_signature(struct smb_hdr *,
325 const struct mac_key *mac_key,
326 __u32 expected_sequence_number);
327 extern int cifs_calculate_mac_key(struct mac_key *key, const char *rn,
329 extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo *,
330 const struct nls_table *);
331 extern void CalcNTLMv2_response(const struct cifsSesInfo *, char *);
332 extern void setup_ntlmv2_rsp(struct cifsSesInfo *, char *,
333 const struct nls_table *);
334 #ifdef CONFIG_CIFS_WEAK_PW_HASH
335 extern void calc_lanman_hash(const char *password, const char *cryptkey,
336 bool encrypt, char *lnm_session_key);
337 #endif /* CIFS_WEAK_PW_HASH */
338 extern int CIFSSMBCopy(int xid,
339 struct cifsTconInfo *source_tcon,
340 const char *fromName,
341 const __u16 target_tid,
342 const char *toName, const int flags,
343 const struct nls_table *nls_codepage,
344 int remap_special_chars);
345 extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
346 const int notify_subdirs, const __u16 netfid,
347 __u32 filter, struct file *file, int multishot,
348 const struct nls_table *nls_codepage);
349 extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
350 const unsigned char *searchName, char *EAData,
351 size_t bufsize, const struct nls_table *nls_codepage,
352 int remap_special_chars);
353 extern ssize_t CIFSSMBQueryEA(const int xid, struct cifsTconInfo *tcon,
354 const unsigned char *searchName, const unsigned char *ea_name,
355 unsigned char *ea_value, size_t buf_size,
356 const struct nls_table *nls_codepage, int remap_special_chars);
357 extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon,
358 const char *fileName, const char *ea_name,
359 const void *ea_value, const __u16 ea_value_len,
360 const struct nls_table *nls_codepage, int remap_special_chars);
361 extern int CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon,
362 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
363 extern int CIFSSMBSetCIFSACL(const int, struct cifsTconInfo *, __u16,
364 struct cifs_ntsd *, __u32);
365 extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon,
366 const unsigned char *searchName,
367 char *acl_inf, const int buflen, const int acl_type,
368 const struct nls_table *nls_codepage, int remap_special_chars);
369 extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon,
370 const unsigned char *fileName,
371 const char *local_acl, const int buflen, const int acl_type,
372 const struct nls_table *nls_codepage, int remap_special_chars);
373 extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon,
374 const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
375 #endif /* _CIFSPROTO_H */