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_inet_pton(const int, const char *source, 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 oplock_q_entry *AllocOplockQEntry(struct inode *, u16,
90 struct cifsTconInfo *);
91 extern void DeleteOplockQEntry(struct oplock_q_entry *);
92 extern void DeleteTconOplockQEntries(struct cifsTconInfo *);
93 extern struct timespec cifs_NTtimeToUnix(u64 utc_nanoseconds_since_1601);
94 extern u64 cifs_UnixTimeToNT(struct timespec);
95 extern __le64 cnvrtDosCifsTm(__u16 date, __u16 time);
96 extern struct timespec cnvrtDosUnixTm(__u16 date, __u16 time);
98 extern int cifs_posix_open(char *full_path, struct inode **pinode,
99 struct super_block *sb, int mode, int oflags,
100 int *poplock, __u16 *pnetfid, int xid);
101 extern void posix_fill_in_inode(struct inode *tmp_inode,
102 FILE_UNIX_BASIC_INFO *pData, int isNewInode);
103 extern struct inode *cifs_new_inode(struct super_block *sb, __u64 *inum);
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 acl_to_uid_mode(struct inode *inode, const char *path,
113 extern int mode_to_acl(struct inode *inode, const char *path, __u64);
115 extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *,
117 extern int cifs_umount(struct super_block *, struct cifs_sb_info *);
118 extern void cifs_dfs_release_automount_timer(void);
119 void cifs_proc_init(void);
120 void cifs_proc_clean(void);
122 extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
123 struct nls_table *nls_info);
124 extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses);
126 extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
127 const char *tree, struct cifsTconInfo *tcon,
128 const struct nls_table *);
130 extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon,
131 const char *searchName, const struct nls_table *nls_codepage,
132 __u16 *searchHandle, struct cifs_search_info *psrch_inf,
133 int map, const char dirsep);
135 extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
136 __u16 searchHandle, struct cifs_search_info *psrch_inf);
138 extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
139 const __u16 search_handle);
141 extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
142 const unsigned char *searchName,
143 FILE_ALL_INFO *findData,
144 int legacy /* whether to use old info level */,
145 const struct nls_table *nls_codepage, int remap);
146 extern int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon,
147 const unsigned char *searchName,
148 FILE_ALL_INFO *findData,
149 const struct nls_table *nls_codepage, int remap);
151 extern int CIFSSMBUnixQPathInfo(const int xid,
152 struct cifsTconInfo *tcon,
153 const unsigned char *searchName,
154 FILE_UNIX_BASIC_INFO *pFindData,
155 const struct nls_table *nls_codepage, int remap);
157 extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
158 const unsigned char *searchName,
159 struct dfs_info3_param **target_nodes,
160 unsigned int *number_of_nodes_in_array,
161 const struct nls_table *nls_codepage, int remap);
163 extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
164 const char *old_path,
165 const struct nls_table *nls_codepage,
166 unsigned int *pnum_referrals,
167 struct dfs_info3_param **preferrals,
169 extern void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
170 struct super_block *sb, struct smb_vol *vol);
171 extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon,
172 struct kstatfs *FSData);
173 extern int SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon,
174 struct kstatfs *FSData);
175 extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon,
178 extern int CIFSSMBQFSAttributeInfo(const int xid,
179 struct cifsTconInfo *tcon);
180 extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon);
181 extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon);
182 extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon,
183 struct kstatfs *FSData);
185 extern int CIFSSMBSetPathInfo(const int xid, struct cifsTconInfo *tcon,
186 const char *fileName, const FILE_BASIC_INFO *data,
187 const struct nls_table *nls_codepage,
188 int remap_special_chars);
189 extern int CIFSSMBSetFileInfo(const int xid, struct cifsTconInfo *tcon,
190 const FILE_BASIC_INFO *data, __u16 fid,
191 __u32 pid_of_opener);
192 extern int CIFSSMBSetFileDisposition(const int xid, struct cifsTconInfo *tcon,
193 bool delete_file, __u16 fid, __u32 pid_of_opener);
195 extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon,
196 char *fileName, __u16 dos_attributes,
197 const struct nls_table *nls_codepage);
198 #endif /* possibly unneeded function */
199 extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon,
200 const char *fileName, __u64 size,
201 bool setAllocationSizeFlag,
202 const struct nls_table *nls_codepage,
203 int remap_special_chars);
204 extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon,
205 __u64 size, __u16 fileHandle, __u32 opener_pid,
208 struct cifs_unix_set_info_args {
218 extern int CIFSSMBUnixSetInfo(const int xid, struct cifsTconInfo *pTcon,
220 const struct cifs_unix_set_info_args *args,
221 const struct nls_table *nls_codepage,
222 int remap_special_chars);
224 extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon,
226 const struct nls_table *nls_codepage,
227 int remap_special_chars);
228 extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon,
229 const char *name, const struct nls_table *nls_codepage,
230 int remap_special_chars);
231 extern int CIFSPOSIXDelFile(const int xid, struct cifsTconInfo *tcon,
232 const char *name, __u16 type,
233 const struct nls_table *nls_codepage,
234 int remap_special_chars);
235 extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon,
237 const struct nls_table *nls_codepage,
238 int remap_special_chars);
239 extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon,
240 const char *fromName, const char *toName,
241 const struct nls_table *nls_codepage,
242 int remap_special_chars);
243 extern int CIFSSMBRenameOpenFile(const int xid, struct cifsTconInfo *pTcon,
244 int netfid, const char *target_name,
245 const struct nls_table *nls_codepage,
246 int remap_special_chars);
247 extern int CIFSCreateHardLink(const int xid,
248 struct cifsTconInfo *tcon,
249 const char *fromName, const char *toName,
250 const struct nls_table *nls_codepage,
251 int remap_special_chars);
252 extern int CIFSUnixCreateHardLink(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 CIFSUnixCreateSymLink(const int xid,
258 struct cifsTconInfo *tcon,
259 const char *fromName, const char *toName,
260 const struct nls_table *nls_codepage);
261 extern int CIFSSMBUnixQuerySymLink(const int xid,
262 struct cifsTconInfo *tcon,
263 const unsigned char *searchName, char **syminfo,
264 const struct nls_table *nls_codepage);
265 extern int CIFSSMBQueryReparseLinkInfo(const int xid,
266 struct cifsTconInfo *tcon,
267 const unsigned char *searchName,
268 char *symlinkinfo, const int buflen, __u16 fid,
269 const struct nls_table *nls_codepage);
271 extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
272 const char *fileName, const int disposition,
273 const int access_flags, const int omode,
274 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
275 const struct nls_table *nls_codepage, int remap);
276 extern int SMBLegacyOpen(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 CIFSPOSIXCreate(const int xid, struct cifsTconInfo *tcon,
282 u32 posix_flags, __u64 mode, __u16 *netfid,
283 FILE_UNIX_BASIC_INFO *pRetData,
284 __u32 *pOplock, const char *name,
285 const struct nls_table *nls_codepage, int remap);
286 extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon,
287 const int smb_file_id);
289 extern int CIFSSMBFlush(const int xid, struct cifsTconInfo *tcon,
290 const int smb_file_id);
292 extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
293 const int netfid, unsigned int count,
294 const __u64 lseek, unsigned int *nbytes, char **buf,
295 int *return_buf_type);
296 extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
297 const int netfid, const unsigned int count,
298 const __u64 lseek, unsigned int *nbytes,
299 const char *buf, const char __user *ubuf,
301 extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
302 const int netfid, const unsigned int count,
303 const __u64 offset, unsigned int *nbytes,
304 struct kvec *iov, const int nvec, const int long_op);
305 extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
306 const unsigned char *searchName, __u64 *inode_number,
307 const struct nls_table *nls_codepage,
308 int remap_special_chars);
309 extern int cifsConvertToUCS(__le16 *target, const char *source, int maxlen,
310 const struct nls_table *cp, int mapChars);
312 extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
313 const __u16 netfid, const __u64 len,
314 const __u64 offset, const __u32 numUnlock,
315 const __u32 numLock, const __u8 lockType,
316 const bool waitFlag);
317 extern int CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon,
318 const __u16 smb_file_id, const int get_flag,
319 const __u64 len, struct file_lock *,
320 const __u16 lock_type, const bool waitFlag);
321 extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon);
322 extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses);
324 extern struct cifsSesInfo *sesInfoAlloc(void);
325 extern void sesInfoFree(struct cifsSesInfo *);
326 extern struct cifsTconInfo *tconInfoAlloc(void);
327 extern void tconInfoFree(struct cifsTconInfo *);
329 extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
330 extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
332 extern int cifs_verify_signature(struct smb_hdr *,
333 const struct mac_key *mac_key,
334 __u32 expected_sequence_number);
335 extern int cifs_calculate_mac_key(struct mac_key *key, const char *rn,
337 extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo *,
338 const struct nls_table *);
339 extern void CalcNTLMv2_response(const struct cifsSesInfo *, char *);
340 extern void setup_ntlmv2_rsp(struct cifsSesInfo *, char *,
341 const struct nls_table *);
342 #ifdef CONFIG_CIFS_WEAK_PW_HASH
343 extern void calc_lanman_hash(const char *password, const char *cryptkey,
344 bool encrypt, char *lnm_session_key);
345 #endif /* CIFS_WEAK_PW_HASH */
346 extern int CIFSSMBCopy(int xid,
347 struct cifsTconInfo *source_tcon,
348 const char *fromName,
349 const __u16 target_tid,
350 const char *toName, const int flags,
351 const struct nls_table *nls_codepage,
352 int remap_special_chars);
353 extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
354 const int notify_subdirs, const __u16 netfid,
355 __u32 filter, struct file *file, int multishot,
356 const struct nls_table *nls_codepage);
357 extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
358 const unsigned char *searchName, char *EAData,
359 size_t bufsize, const struct nls_table *nls_codepage,
360 int remap_special_chars);
361 extern ssize_t CIFSSMBQueryEA(const int xid, struct cifsTconInfo *tcon,
362 const unsigned char *searchName, const unsigned char *ea_name,
363 unsigned char *ea_value, size_t buf_size,
364 const struct nls_table *nls_codepage, int remap_special_chars);
365 extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon,
366 const char *fileName, const char *ea_name,
367 const void *ea_value, const __u16 ea_value_len,
368 const struct nls_table *nls_codepage, int remap_special_chars);
369 extern int CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon,
370 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
371 extern int CIFSSMBSetCIFSACL(const int, struct cifsTconInfo *, __u16,
372 struct cifs_ntsd *, __u32);
373 extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon,
374 const unsigned char *searchName,
375 char *acl_inf, const int buflen, const int acl_type,
376 const struct nls_table *nls_codepage, int remap_special_chars);
377 extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon,
378 const unsigned char *fileName,
379 const char *local_acl, const int buflen, const int acl_type,
380 const struct nls_table *nls_codepage, int remap_special_chars);
381 extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon,
382 const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
383 #endif /* _CIFSPROTO_H */