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 char *cifs_compose_mount_options(const char *sb_mountdata,
48 const char *fullpath, const struct dfs_info3_param *ref,
50 /* extern void renew_parental_timestamps(struct dentry *direntry);*/
51 extern int SendReceive(const unsigned int /* xid */ , struct cifsSesInfo *,
52 struct smb_hdr * /* input */ ,
53 struct smb_hdr * /* out */ ,
54 int * /* bytes returned */ , const int long_op);
55 extern int SendReceiveNoRsp(const unsigned int xid, struct cifsSesInfo *ses,
56 struct smb_hdr *in_buf, int flags);
57 extern int SendReceive2(const unsigned int /* xid */ , struct cifsSesInfo *,
58 struct kvec *, int /* nvec to send */,
59 int * /* type of buf returned */ , const int flags);
60 extern int SendReceiveBlockingLock(const unsigned int xid,
61 struct cifsTconInfo *ptcon,
62 struct smb_hdr *in_buf ,
63 struct smb_hdr *out_buf,
65 extern int checkSMB(struct smb_hdr *smb, __u16 mid, unsigned int length);
66 extern bool is_valid_oplock_break(struct smb_hdr *smb,
67 struct TCP_Server_Info *);
68 extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
69 extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *);
70 #ifdef CONFIG_CIFS_EXPERIMENTAL
71 extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *);
73 extern unsigned int smbCalcSize(struct smb_hdr *ptr);
74 extern unsigned int smbCalcSize_LE(struct smb_hdr *ptr);
75 extern int decode_negTokenInit(unsigned char *security_blob, int length,
76 enum securityEnum *secType);
77 extern int cifs_convert_address(char *src, void *dst);
78 extern int map_smb_to_linux_error(struct smb_hdr *smb, int logErr);
79 extern void header_assemble(struct smb_hdr *, char /* command */ ,
80 const struct cifsTconInfo *, int /* length of
81 fixed section (word count) in two byte units */);
82 extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
83 struct cifsSesInfo *ses,
85 extern int CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses,
87 const struct nls_table *nls_cp);
88 extern __u16 GetNextMid(struct TCP_Server_Info *server);
89 extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
90 extern u64 cifs_UnixTimeToNT(struct timespec);
91 extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
94 extern int cifs_posix_open(char *full_path, struct inode **pinode,
95 struct vfsmount *mnt, int mode, int oflags,
96 __u32 *poplock, __u16 *pnetfid, int xid);
97 extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
98 FILE_UNIX_BASIC_INFO *info,
99 struct cifs_sb_info *cifs_sb);
100 extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
101 extern struct inode *cifs_iget(struct super_block *sb,
102 struct cifs_fattr *fattr);
104 extern int cifs_get_inode_info(struct inode **pinode,
105 const unsigned char *search_path,
106 FILE_ALL_INFO *pfile_info,
107 struct super_block *sb, int xid, const __u16 *pfid);
108 extern int cifs_get_inode_info_unix(struct inode **pinode,
109 const unsigned char *search_path,
110 struct super_block *sb, int xid);
111 extern void cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
112 struct cifs_fattr *fattr, struct inode *inode,
113 const char *path, const __u16 *pfid);
114 extern int mode_to_acl(struct inode *inode, const char *path, __u64);
116 extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *,
118 extern int cifs_umount(struct super_block *, struct cifs_sb_info *);
119 extern void cifs_dfs_release_automount_timer(void);
120 void cifs_proc_init(void);
121 void cifs_proc_clean(void);
123 extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
124 struct nls_table *nls_info);
125 extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses);
127 extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
128 const char *tree, struct cifsTconInfo *tcon,
129 const struct nls_table *);
131 extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon,
132 const char *searchName, const struct nls_table *nls_codepage,
133 __u16 *searchHandle, struct cifs_search_info *psrch_inf,
134 int map, const char dirsep);
136 extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
137 __u16 searchHandle, struct cifs_search_info *psrch_inf);
139 extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
140 const __u16 search_handle);
142 extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
143 const unsigned char *searchName,
144 FILE_ALL_INFO *findData,
145 int legacy /* whether to use old info level */,
146 const struct nls_table *nls_codepage, int remap);
147 extern int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon,
148 const unsigned char *searchName,
149 FILE_ALL_INFO *findData,
150 const struct nls_table *nls_codepage, int remap);
152 extern int CIFSSMBUnixQPathInfo(const int xid,
153 struct cifsTconInfo *tcon,
154 const unsigned char *searchName,
155 FILE_UNIX_BASIC_INFO *pFindData,
156 const struct nls_table *nls_codepage, int remap);
158 extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
159 const unsigned char *searchName,
160 struct dfs_info3_param **target_nodes,
161 unsigned int *number_of_nodes_in_array,
162 const struct nls_table *nls_codepage, int remap);
164 extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
165 const char *old_path,
166 const struct nls_table *nls_codepage,
167 unsigned int *pnum_referrals,
168 struct dfs_info3_param **preferrals,
170 extern void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
171 struct super_block *sb, struct smb_vol *vol);
172 extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon,
173 struct kstatfs *FSData);
174 extern int SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon,
175 struct kstatfs *FSData);
176 extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon,
179 extern int CIFSSMBQFSAttributeInfo(const int xid,
180 struct cifsTconInfo *tcon);
181 extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon);
182 extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon);
183 extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon,
184 struct kstatfs *FSData);
186 extern int CIFSSMBSetPathInfo(const int xid, struct cifsTconInfo *tcon,
187 const char *fileName, const FILE_BASIC_INFO *data,
188 const struct nls_table *nls_codepage,
189 int remap_special_chars);
190 extern int CIFSSMBSetFileInfo(const int xid, struct cifsTconInfo *tcon,
191 const FILE_BASIC_INFO *data, __u16 fid,
192 __u32 pid_of_opener);
193 extern int CIFSSMBSetFileDisposition(const int xid, struct cifsTconInfo *tcon,
194 bool delete_file, __u16 fid, __u32 pid_of_opener);
196 extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon,
197 char *fileName, __u16 dos_attributes,
198 const struct nls_table *nls_codepage);
199 #endif /* possibly unneeded function */
200 extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon,
201 const char *fileName, __u64 size,
202 bool setAllocationSizeFlag,
203 const struct nls_table *nls_codepage,
204 int remap_special_chars);
205 extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon,
206 __u64 size, __u16 fileHandle, __u32 opener_pid,
209 struct cifs_unix_set_info_args {
219 extern int CIFSSMBUnixSetFileInfo(const int xid, struct cifsTconInfo *tcon,
220 const struct cifs_unix_set_info_args *args,
221 u16 fid, u32 pid_of_opener);
223 extern int CIFSSMBUnixSetPathInfo(const int xid, struct cifsTconInfo *pTcon,
225 const struct cifs_unix_set_info_args *args,
226 const struct nls_table *nls_codepage,
227 int remap_special_chars);
229 extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon,
231 const struct nls_table *nls_codepage,
232 int remap_special_chars);
233 extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon,
234 const char *name, const struct nls_table *nls_codepage,
235 int remap_special_chars);
236 extern int CIFSPOSIXDelFile(const int xid, struct cifsTconInfo *tcon,
237 const char *name, __u16 type,
238 const struct nls_table *nls_codepage,
239 int remap_special_chars);
240 extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon,
242 const struct nls_table *nls_codepage,
243 int remap_special_chars);
244 extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon,
245 const char *fromName, const char *toName,
246 const struct nls_table *nls_codepage,
247 int remap_special_chars);
248 extern int CIFSSMBRenameOpenFile(const int xid, struct cifsTconInfo *pTcon,
249 int netfid, const char *target_name,
250 const struct nls_table *nls_codepage,
251 int remap_special_chars);
252 extern int CIFSCreateHardLink(const int xid,
253 struct cifsTconInfo *tcon,
254 const char *fromName, const char *toName,
255 const struct nls_table *nls_codepage,
256 int remap_special_chars);
257 extern int CIFSUnixCreateHardLink(const int xid,
258 struct cifsTconInfo *tcon,
259 const char *fromName, const char *toName,
260 const struct nls_table *nls_codepage,
261 int remap_special_chars);
262 extern int CIFSUnixCreateSymLink(const int xid,
263 struct cifsTconInfo *tcon,
264 const char *fromName, const char *toName,
265 const struct nls_table *nls_codepage);
266 extern int CIFSSMBUnixQuerySymLink(const int xid,
267 struct cifsTconInfo *tcon,
268 const unsigned char *searchName, char **syminfo,
269 const struct nls_table *nls_codepage);
270 extern int CIFSSMBQueryReparseLinkInfo(const int xid,
271 struct cifsTconInfo *tcon,
272 const unsigned char *searchName,
273 char *symlinkinfo, const int buflen, __u16 fid,
274 const struct nls_table *nls_codepage);
276 extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
277 const char *fileName, const int disposition,
278 const int access_flags, const int omode,
279 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
280 const struct nls_table *nls_codepage, int remap);
281 extern int SMBLegacyOpen(const int xid, struct cifsTconInfo *tcon,
282 const char *fileName, const int disposition,
283 const int access_flags, const int omode,
284 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
285 const struct nls_table *nls_codepage, int remap);
286 extern int CIFSPOSIXCreate(const int xid, struct cifsTconInfo *tcon,
287 u32 posix_flags, __u64 mode, __u16 *netfid,
288 FILE_UNIX_BASIC_INFO *pRetData,
289 __u32 *pOplock, const char *name,
290 const struct nls_table *nls_codepage, int remap);
291 extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon,
292 const int smb_file_id);
294 extern int CIFSSMBFlush(const int xid, struct cifsTconInfo *tcon,
295 const int smb_file_id);
297 extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
298 const int netfid, unsigned int count,
299 const __u64 lseek, unsigned int *nbytes, char **buf,
300 int *return_buf_type);
301 extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
302 const int netfid, const unsigned int count,
303 const __u64 lseek, unsigned int *nbytes,
304 const char *buf, const char __user *ubuf,
306 extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
307 const int netfid, const unsigned int count,
308 const __u64 offset, unsigned int *nbytes,
309 struct kvec *iov, const int nvec, const int long_op);
310 extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
311 const unsigned char *searchName, __u64 *inode_number,
312 const struct nls_table *nls_codepage,
313 int remap_special_chars);
314 extern int cifsConvertToUCS(__le16 *target, const char *source, int maxlen,
315 const struct nls_table *cp, int mapChars);
317 extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
318 const __u16 netfid, const __u64 len,
319 const __u64 offset, const __u32 numUnlock,
320 const __u32 numLock, const __u8 lockType,
321 const bool waitFlag);
322 extern int CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon,
323 const __u16 smb_file_id, const int get_flag,
324 const __u64 len, struct file_lock *,
325 const __u16 lock_type, const bool waitFlag);
326 extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon);
327 extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses);
329 extern struct cifsSesInfo *sesInfoAlloc(void);
330 extern void sesInfoFree(struct cifsSesInfo *);
331 extern struct cifsTconInfo *tconInfoAlloc(void);
332 extern void tconInfoFree(struct cifsTconInfo *);
334 extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
335 extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
337 extern int cifs_verify_signature(struct smb_hdr *,
338 const struct mac_key *mac_key,
339 __u32 expected_sequence_number);
340 extern int cifs_calculate_mac_key(struct mac_key *key, const char *rn,
342 extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo *,
343 const struct nls_table *);
344 extern void CalcNTLMv2_response(const struct cifsSesInfo *, char *);
345 extern void setup_ntlmv2_rsp(struct cifsSesInfo *, char *,
346 const struct nls_table *);
347 #ifdef CONFIG_CIFS_WEAK_PW_HASH
348 extern void calc_lanman_hash(const char *password, const char *cryptkey,
349 bool encrypt, char *lnm_session_key);
350 #endif /* CIFS_WEAK_PW_HASH */
351 extern int CIFSSMBCopy(int xid,
352 struct cifsTconInfo *source_tcon,
353 const char *fromName,
354 const __u16 target_tid,
355 const char *toName, const int flags,
356 const struct nls_table *nls_codepage,
357 int remap_special_chars);
358 extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
359 const int notify_subdirs, const __u16 netfid,
360 __u32 filter, struct file *file, int multishot,
361 const struct nls_table *nls_codepage);
362 extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
363 const unsigned char *searchName, char *EAData,
364 size_t bufsize, const struct nls_table *nls_codepage,
365 int remap_special_chars);
366 extern ssize_t CIFSSMBQueryEA(const int xid, struct cifsTconInfo *tcon,
367 const unsigned char *searchName, const unsigned char *ea_name,
368 unsigned char *ea_value, size_t buf_size,
369 const struct nls_table *nls_codepage, int remap_special_chars);
370 extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon,
371 const char *fileName, const char *ea_name,
372 const void *ea_value, const __u16 ea_value_len,
373 const struct nls_table *nls_codepage, int remap_special_chars);
374 extern int CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon,
375 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
376 extern int CIFSSMBSetCIFSACL(const int, struct cifsTconInfo *, __u16,
377 struct cifs_ntsd *, __u32);
378 extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon,
379 const unsigned char *searchName,
380 char *acl_inf, const int buflen, const int acl_type,
381 const struct nls_table *nls_codepage, int remap_special_chars);
382 extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon,
383 const unsigned char *fileName,
384 const char *local_acl, const int buflen, const int acl_type,
385 const struct nls_table *nls_codepage, int remap_special_chars);
386 extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon,
387 const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
388 #endif /* _CIFSPROTO_H */