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);
44 int __xid = (int)_GetXid(); \
45 cFYI(1, "CIFS VFS: in %s as Xid: %d with uid: %d", \
46 __func__, __xid, current_fsuid()); \
50 #define FreeXid(curr_xid) \
53 cFYI(1, "CIFS VFS: leaving %s (xid = %d) rc = %d", \
54 __func__, curr_xid, (int)rc); \
56 extern char *build_path_from_dentry(struct dentry *);
57 extern char *cifs_build_path_to_root(struct cifs_sb_info *cifs_sb);
58 extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
59 extern char *cifs_compose_mount_options(const char *sb_mountdata,
60 const char *fullpath, const struct dfs_info3_param *ref,
62 /* extern void renew_parental_timestamps(struct dentry *direntry);*/
63 extern int SendReceive(const unsigned int /* xid */ , struct cifsSesInfo *,
64 struct smb_hdr * /* input */ ,
65 struct smb_hdr * /* out */ ,
66 int * /* bytes returned */ , const int long_op);
67 extern int SendReceiveNoRsp(const unsigned int xid, struct cifsSesInfo *ses,
68 struct smb_hdr *in_buf, int flags);
69 extern int SendReceive2(const unsigned int /* xid */ , struct cifsSesInfo *,
70 struct kvec *, int /* nvec to send */,
71 int * /* type of buf returned */ , const int flags);
72 extern int SendReceiveBlockingLock(const unsigned int xid,
73 struct cifsTconInfo *ptcon,
74 struct smb_hdr *in_buf ,
75 struct smb_hdr *out_buf,
77 extern int checkSMB(struct smb_hdr *smb, __u16 mid, unsigned int length);
78 extern bool is_valid_oplock_break(struct smb_hdr *smb,
79 struct TCP_Server_Info *);
80 extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
81 extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *);
82 #ifdef CONFIG_CIFS_EXPERIMENTAL
83 extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *);
85 extern unsigned int smbCalcSize(struct smb_hdr *ptr);
86 extern unsigned int smbCalcSize_LE(struct smb_hdr *ptr);
87 extern int decode_negTokenInit(unsigned char *security_blob, int length,
88 enum securityEnum *secType);
89 extern int cifs_convert_address(char *src, void *dst);
90 extern int map_smb_to_linux_error(struct smb_hdr *smb, int logErr);
91 extern void header_assemble(struct smb_hdr *, char /* command */ ,
92 const struct cifsTconInfo *, int /* length of
93 fixed section (word count) in two byte units */);
94 extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
95 struct cifsSesInfo *ses,
97 extern int CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses,
99 const struct nls_table *nls_cp);
100 extern __u16 GetNextMid(struct TCP_Server_Info *server);
101 extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
102 extern u64 cifs_UnixTimeToNT(struct timespec);
103 extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
106 extern struct cifsFileInfo *cifs_new_fileinfo(struct inode *newinode,
107 __u16 fileHandle, struct file *file,
108 struct vfsmount *mnt, unsigned int oflags);
109 extern int cifs_posix_open(char *full_path, struct inode **pinode,
110 struct vfsmount *mnt,
111 struct super_block *sb,
112 int mode, int oflags,
113 __u32 *poplock, __u16 *pnetfid, int xid);
114 extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
115 FILE_UNIX_BASIC_INFO *info,
116 struct cifs_sb_info *cifs_sb);
117 extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
118 extern struct inode *cifs_iget(struct super_block *sb,
119 struct cifs_fattr *fattr);
121 extern int cifs_get_file_info(struct file *filp);
122 extern int cifs_get_inode_info(struct inode **pinode,
123 const unsigned char *search_path,
124 FILE_ALL_INFO *pfile_info,
125 struct super_block *sb, int xid, const __u16 *pfid);
126 extern int cifs_get_file_info_unix(struct file *filp);
127 extern int cifs_get_inode_info_unix(struct inode **pinode,
128 const unsigned char *search_path,
129 struct super_block *sb, int xid);
130 extern void cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
131 struct cifs_fattr *fattr, struct inode *inode,
132 const char *path, const __u16 *pfid);
133 extern int mode_to_acl(struct inode *inode, const char *path, __u64);
135 extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *,
137 extern int cifs_umount(struct super_block *, struct cifs_sb_info *);
138 extern void cifs_dfs_release_automount_timer(void);
139 void cifs_proc_init(void);
140 void cifs_proc_clean(void);
142 extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
143 struct nls_table *nls_info);
144 extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses);
146 extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
147 const char *tree, struct cifsTconInfo *tcon,
148 const struct nls_table *);
150 extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon,
151 const char *searchName, const struct nls_table *nls_codepage,
152 __u16 *searchHandle, struct cifs_search_info *psrch_inf,
153 int map, const char dirsep);
155 extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
156 __u16 searchHandle, struct cifs_search_info *psrch_inf);
158 extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
159 const __u16 search_handle);
161 extern int CIFSSMBQFileInfo(const int xid, struct cifsTconInfo *tcon,
162 u16 netfid, FILE_ALL_INFO *pFindData);
163 extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
164 const unsigned char *searchName,
165 FILE_ALL_INFO *findData,
166 int legacy /* whether to use old info level */,
167 const struct nls_table *nls_codepage, int remap);
168 extern int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon,
169 const unsigned char *searchName,
170 FILE_ALL_INFO *findData,
171 const struct nls_table *nls_codepage, int remap);
173 extern int CIFSSMBUnixQFileInfo(const int xid, struct cifsTconInfo *tcon,
174 u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
175 extern int CIFSSMBUnixQPathInfo(const int xid,
176 struct cifsTconInfo *tcon,
177 const unsigned char *searchName,
178 FILE_UNIX_BASIC_INFO *pFindData,
179 const struct nls_table *nls_codepage, int remap);
181 extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
182 const unsigned char *searchName,
183 struct dfs_info3_param **target_nodes,
184 unsigned int *number_of_nodes_in_array,
185 const struct nls_table *nls_codepage, int remap);
187 extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
188 const char *old_path,
189 const struct nls_table *nls_codepage,
190 unsigned int *pnum_referrals,
191 struct dfs_info3_param **preferrals,
193 extern void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
194 struct super_block *sb, struct smb_vol *vol);
195 extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon,
196 struct kstatfs *FSData);
197 extern int SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon,
198 struct kstatfs *FSData);
199 extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon,
202 extern int CIFSSMBQFSAttributeInfo(const int xid,
203 struct cifsTconInfo *tcon);
204 extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon);
205 extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon);
206 extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon,
207 struct kstatfs *FSData);
209 extern int CIFSSMBSetPathInfo(const int xid, struct cifsTconInfo *tcon,
210 const char *fileName, const FILE_BASIC_INFO *data,
211 const struct nls_table *nls_codepage,
212 int remap_special_chars);
213 extern int CIFSSMBSetFileInfo(const int xid, struct cifsTconInfo *tcon,
214 const FILE_BASIC_INFO *data, __u16 fid,
215 __u32 pid_of_opener);
216 extern int CIFSSMBSetFileDisposition(const int xid, struct cifsTconInfo *tcon,
217 bool delete_file, __u16 fid, __u32 pid_of_opener);
219 extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon,
220 char *fileName, __u16 dos_attributes,
221 const struct nls_table *nls_codepage);
222 #endif /* possibly unneeded function */
223 extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon,
224 const char *fileName, __u64 size,
225 bool setAllocationSizeFlag,
226 const struct nls_table *nls_codepage,
227 int remap_special_chars);
228 extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon,
229 __u64 size, __u16 fileHandle, __u32 opener_pid,
232 struct cifs_unix_set_info_args {
242 extern int CIFSSMBUnixSetFileInfo(const int xid, struct cifsTconInfo *tcon,
243 const struct cifs_unix_set_info_args *args,
244 u16 fid, u32 pid_of_opener);
246 extern int CIFSSMBUnixSetPathInfo(const int xid, struct cifsTconInfo *pTcon,
248 const struct cifs_unix_set_info_args *args,
249 const struct nls_table *nls_codepage,
250 int remap_special_chars);
252 extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon,
254 const struct nls_table *nls_codepage,
255 int remap_special_chars);
256 extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon,
257 const char *name, const struct nls_table *nls_codepage,
258 int remap_special_chars);
259 extern int CIFSPOSIXDelFile(const int xid, struct cifsTconInfo *tcon,
260 const char *name, __u16 type,
261 const struct nls_table *nls_codepage,
262 int remap_special_chars);
263 extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon,
265 const struct nls_table *nls_codepage,
266 int remap_special_chars);
267 extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon,
268 const char *fromName, const char *toName,
269 const struct nls_table *nls_codepage,
270 int remap_special_chars);
271 extern int CIFSSMBRenameOpenFile(const int xid, struct cifsTconInfo *pTcon,
272 int netfid, const char *target_name,
273 const struct nls_table *nls_codepage,
274 int remap_special_chars);
275 extern int CIFSCreateHardLink(const int xid,
276 struct cifsTconInfo *tcon,
277 const char *fromName, const char *toName,
278 const struct nls_table *nls_codepage,
279 int remap_special_chars);
280 extern int CIFSUnixCreateHardLink(const int xid,
281 struct cifsTconInfo *tcon,
282 const char *fromName, const char *toName,
283 const struct nls_table *nls_codepage,
284 int remap_special_chars);
285 extern int CIFSUnixCreateSymLink(const int xid,
286 struct cifsTconInfo *tcon,
287 const char *fromName, const char *toName,
288 const struct nls_table *nls_codepage);
289 extern int CIFSSMBUnixQuerySymLink(const int xid,
290 struct cifsTconInfo *tcon,
291 const unsigned char *searchName, char **syminfo,
292 const struct nls_table *nls_codepage);
293 extern int CIFSSMBQueryReparseLinkInfo(const int xid,
294 struct cifsTconInfo *tcon,
295 const unsigned char *searchName,
296 char *symlinkinfo, const int buflen, __u16 fid,
297 const struct nls_table *nls_codepage);
299 extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
300 const char *fileName, const int disposition,
301 const int access_flags, const int omode,
302 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
303 const struct nls_table *nls_codepage, int remap);
304 extern int SMBLegacyOpen(const int xid, struct cifsTconInfo *tcon,
305 const char *fileName, const int disposition,
306 const int access_flags, const int omode,
307 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
308 const struct nls_table *nls_codepage, int remap);
309 extern int CIFSPOSIXCreate(const int xid, struct cifsTconInfo *tcon,
310 u32 posix_flags, __u64 mode, __u16 *netfid,
311 FILE_UNIX_BASIC_INFO *pRetData,
312 __u32 *pOplock, const char *name,
313 const struct nls_table *nls_codepage, int remap);
314 extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon,
315 const int smb_file_id);
317 extern int CIFSSMBFlush(const int xid, struct cifsTconInfo *tcon,
318 const int smb_file_id);
320 extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
321 const int netfid, unsigned int count,
322 const __u64 lseek, unsigned int *nbytes, char **buf,
323 int *return_buf_type);
324 extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
325 const int netfid, const unsigned int count,
326 const __u64 lseek, unsigned int *nbytes,
327 const char *buf, const char __user *ubuf,
329 extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
330 const int netfid, const unsigned int count,
331 const __u64 offset, unsigned int *nbytes,
332 struct kvec *iov, const int nvec, const int long_op);
333 extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
334 const unsigned char *searchName, __u64 *inode_number,
335 const struct nls_table *nls_codepage,
336 int remap_special_chars);
337 extern int cifsConvertToUCS(__le16 *target, const char *source, int maxlen,
338 const struct nls_table *cp, int mapChars);
340 extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
341 const __u16 netfid, const __u64 len,
342 const __u64 offset, const __u32 numUnlock,
343 const __u32 numLock, const __u8 lockType,
344 const bool waitFlag);
345 extern int CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon,
346 const __u16 smb_file_id, const int get_flag,
347 const __u64 len, struct file_lock *,
348 const __u16 lock_type, const bool waitFlag);
349 extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon);
350 extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses);
352 extern struct cifsSesInfo *sesInfoAlloc(void);
353 extern void sesInfoFree(struct cifsSesInfo *);
354 extern struct cifsTconInfo *tconInfoAlloc(void);
355 extern void tconInfoFree(struct cifsTconInfo *);
357 extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
358 extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
360 extern int cifs_verify_signature(struct smb_hdr *,
361 const struct mac_key *mac_key,
362 __u32 expected_sequence_number);
363 extern int cifs_calculate_mac_key(struct mac_key *key, const char *rn,
365 extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo *,
366 const struct nls_table *);
367 extern void CalcNTLMv2_response(const struct cifsSesInfo *, char *);
368 extern void setup_ntlmv2_rsp(struct cifsSesInfo *, char *,
369 const struct nls_table *);
370 #ifdef CONFIG_CIFS_WEAK_PW_HASH
371 extern void calc_lanman_hash(const char *password, const char *cryptkey,
372 bool encrypt, char *lnm_session_key);
373 #endif /* CIFS_WEAK_PW_HASH */
374 extern int CIFSSMBCopy(int xid,
375 struct cifsTconInfo *source_tcon,
376 const char *fromName,
377 const __u16 target_tid,
378 const char *toName, const int flags,
379 const struct nls_table *nls_codepage,
380 int remap_special_chars);
381 extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
382 const int notify_subdirs, const __u16 netfid,
383 __u32 filter, struct file *file, int multishot,
384 const struct nls_table *nls_codepage);
385 extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
386 const unsigned char *searchName,
387 const unsigned char *ea_name, char *EAData,
388 size_t bufsize, const struct nls_table *nls_codepage,
389 int remap_special_chars);
390 extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon,
391 const char *fileName, const char *ea_name,
392 const void *ea_value, const __u16 ea_value_len,
393 const struct nls_table *nls_codepage, int remap_special_chars);
394 extern int CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon,
395 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
396 extern int CIFSSMBSetCIFSACL(const int, struct cifsTconInfo *, __u16,
397 struct cifs_ntsd *, __u32);
398 extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon,
399 const unsigned char *searchName,
400 char *acl_inf, const int buflen, const int acl_type,
401 const struct nls_table *nls_codepage, int remap_special_chars);
402 extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon,
403 const unsigned char *fileName,
404 const char *local_acl, const int buflen, const int acl_type,
405 const struct nls_table *nls_codepage, int remap_special_chars);
406 extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon,
407 const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
408 extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
409 #endif /* _CIFSPROTO_H */