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1 | /* |
2 | * fs/cifs/cifsproto.h |
3 | * |
4 | * Copyright (c) International Business Machines Corp., 2002,2008 |
5 | * Author(s): Steve French (sfrench@us.ibm.com) |
6 | * |
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. |
11 | * |
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. |
16 | * |
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 |
20 | */ |
21 | #ifndef _CIFSPROTO_H |
22 | #define _CIFSPROTO_H |
23 | #include <linux/nls.h> |
24 | |
25 | struct statfs; |
26 | struct smb_vol; |
27 | |
28 | /* |
29 | ***************************************************************** |
30 | * All Prototypes |
31 | ***************************************************************** |
32 | */ |
33 | |
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, |
49 | char **devname); |
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, |
64 | int *bytes_returned); |
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 *); |
72 | #endif |
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, |
84 | void **request_buf); |
85 | extern int CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses, |
86 | const int stage, |
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(__le64 utc_nanoseconds_since_1601); |
94 | extern u64 cifs_UnixTimeToNT(struct timespec); |
95 | extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time, |
96 | int offset); |
97 | |
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 cifs_unix_basic_to_fattr(struct cifs_fattr *fattr, |
102 | FILE_UNIX_BASIC_INFO *info, |
103 | struct cifs_sb_info *cifs_sb); |
104 | extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr); |
105 | extern struct inode *cifs_iget(struct super_block *sb, |
106 | struct cifs_fattr *fattr); |
107 | |
108 | extern int cifs_get_inode_info(struct inode **pinode, |
109 | const unsigned char *search_path, |
110 | FILE_ALL_INFO *pfile_info, |
111 | struct super_block *sb, int xid, const __u16 *pfid); |
112 | extern int cifs_get_inode_info_unix(struct inode **pinode, |
113 | const unsigned char *search_path, |
114 | struct super_block *sb, int xid); |
115 | extern void cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb, |
116 | struct cifs_fattr *fattr, struct inode *inode, |
117 | const char *path, const __u16 *pfid); |
118 | extern int mode_to_acl(struct inode *inode, const char *path, __u64); |
119 | |
120 | extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *, |
121 | const char *); |
122 | extern int cifs_umount(struct super_block *, struct cifs_sb_info *); |
123 | extern void cifs_dfs_release_automount_timer(void); |
124 | void cifs_proc_init(void); |
125 | void cifs_proc_clean(void); |
126 | |
127 | extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo, |
128 | struct nls_table *nls_info); |
129 | extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses); |
130 | |
131 | extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses, |
132 | const char *tree, struct cifsTconInfo *tcon, |
133 | const struct nls_table *); |
134 | |
135 | extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon, |
136 | const char *searchName, const struct nls_table *nls_codepage, |
137 | __u16 *searchHandle, struct cifs_search_info *psrch_inf, |
138 | int map, const char dirsep); |
139 | |
140 | extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon, |
141 | __u16 searchHandle, struct cifs_search_info *psrch_inf); |
142 | |
143 | extern int CIFSFindClose(const int, struct cifsTconInfo *tcon, |
144 | const __u16 search_handle); |
145 | |
146 | extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon, |
147 | const unsigned char *searchName, |
148 | FILE_ALL_INFO *findData, |
149 | int legacy /* whether to use old info level */, |
150 | const struct nls_table *nls_codepage, int remap); |
151 | extern int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon, |
152 | const unsigned char *searchName, |
153 | FILE_ALL_INFO *findData, |
154 | const struct nls_table *nls_codepage, int remap); |
155 | |
156 | extern int CIFSSMBUnixQPathInfo(const int xid, |
157 | struct cifsTconInfo *tcon, |
158 | const unsigned char *searchName, |
159 | FILE_UNIX_BASIC_INFO *pFindData, |
160 | const struct nls_table *nls_codepage, int remap); |
161 | |
162 | extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses, |
163 | const unsigned char *searchName, |
164 | struct dfs_info3_param **target_nodes, |
165 | unsigned int *number_of_nodes_in_array, |
166 | const struct nls_table *nls_codepage, int remap); |
167 | |
168 | extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo, |
169 | const char *old_path, |
170 | const struct nls_table *nls_codepage, |
171 | unsigned int *pnum_referrals, |
172 | struct dfs_info3_param **preferrals, |
173 | int remap); |
174 | extern void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon, |
175 | struct super_block *sb, struct smb_vol *vol); |
176 | extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon, |
177 | struct kstatfs *FSData); |
178 | extern int SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon, |
179 | struct kstatfs *FSData); |
180 | extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon, |
181 | __u64 cap); |
182 | |
183 | extern int CIFSSMBQFSAttributeInfo(const int xid, |
184 | struct cifsTconInfo *tcon); |
185 | extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon); |
186 | extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon); |
187 | extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon, |
188 | struct kstatfs *FSData); |
189 | |
190 | extern int CIFSSMBSetPathInfo(const int xid, struct cifsTconInfo *tcon, |
191 | const char *fileName, const FILE_BASIC_INFO *data, |
192 | const struct nls_table *nls_codepage, |
193 | int remap_special_chars); |
194 | extern int CIFSSMBSetFileInfo(const int xid, struct cifsTconInfo *tcon, |
195 | const FILE_BASIC_INFO *data, __u16 fid, |
196 | __u32 pid_of_opener); |
197 | extern int CIFSSMBSetFileDisposition(const int xid, struct cifsTconInfo *tcon, |
198 | bool delete_file, __u16 fid, __u32 pid_of_opener); |
199 | #if 0 |
200 | extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon, |
201 | char *fileName, __u16 dos_attributes, |
202 | const struct nls_table *nls_codepage); |
203 | #endif /* possibly unneeded function */ |
204 | extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon, |
205 | const char *fileName, __u64 size, |
206 | bool setAllocationSizeFlag, |
207 | const struct nls_table *nls_codepage, |
208 | int remap_special_chars); |
209 | extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon, |
210 | __u64 size, __u16 fileHandle, __u32 opener_pid, |
211 | bool AllocSizeFlag); |
212 | |
213 | struct cifs_unix_set_info_args { |
214 | __u64 ctime; |
215 | __u64 atime; |
216 | __u64 mtime; |
217 | __u64 mode; |
218 | __u64 uid; |
219 | __u64 gid; |
220 | dev_t device; |
221 | }; |
222 | |
223 | extern int CIFSSMBUnixSetFileInfo(const int xid, struct cifsTconInfo *tcon, |
224 | const struct cifs_unix_set_info_args *args, |
225 | u16 fid, u32 pid_of_opener); |
226 | |
227 | extern int CIFSSMBUnixSetPathInfo(const int xid, struct cifsTconInfo *pTcon, |
228 | char *fileName, |
229 | const struct cifs_unix_set_info_args *args, |
230 | const struct nls_table *nls_codepage, |
231 | int remap_special_chars); |
232 | |
233 | extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon, |
234 | const char *newName, |
235 | const struct nls_table *nls_codepage, |
236 | int remap_special_chars); |
237 | extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon, |
238 | const char *name, const struct nls_table *nls_codepage, |
239 | int remap_special_chars); |
240 | extern int CIFSPOSIXDelFile(const int xid, struct cifsTconInfo *tcon, |
241 | const char *name, __u16 type, |
242 | const struct nls_table *nls_codepage, |
243 | int remap_special_chars); |
244 | extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon, |
245 | const char *name, |
246 | const struct nls_table *nls_codepage, |
247 | int remap_special_chars); |
248 | extern int CIFSSMBRename(const int xid, 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 CIFSSMBRenameOpenFile(const int xid, struct cifsTconInfo *pTcon, |
253 | int netfid, const char *target_name, |
254 | const struct nls_table *nls_codepage, |
255 | int remap_special_chars); |
256 | extern int CIFSCreateHardLink(const int xid, |
257 | struct cifsTconInfo *tcon, |
258 | const char *fromName, const char *toName, |
259 | const struct nls_table *nls_codepage, |
260 | int remap_special_chars); |
261 | extern int CIFSUnixCreateHardLink(const int xid, |
262 | struct cifsTconInfo *tcon, |
263 | const char *fromName, const char *toName, |
264 | const struct nls_table *nls_codepage, |
265 | int remap_special_chars); |
266 | extern int CIFSUnixCreateSymLink(const int xid, |
267 | struct cifsTconInfo *tcon, |
268 | const char *fromName, const char *toName, |
269 | const struct nls_table *nls_codepage); |
270 | extern int CIFSSMBUnixQuerySymLink(const int xid, |
271 | struct cifsTconInfo *tcon, |
272 | const unsigned char *searchName, char **syminfo, |
273 | const struct nls_table *nls_codepage); |
274 | extern int CIFSSMBQueryReparseLinkInfo(const int xid, |
275 | struct cifsTconInfo *tcon, |
276 | const unsigned char *searchName, |
277 | char *symlinkinfo, const int buflen, __u16 fid, |
278 | const struct nls_table *nls_codepage); |
279 | |
280 | extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon, |
281 | const char *fileName, const int disposition, |
282 | const int access_flags, const int omode, |
283 | __u16 *netfid, int *pOplock, FILE_ALL_INFO *, |
284 | const struct nls_table *nls_codepage, int remap); |
285 | extern int SMBLegacyOpen(const int xid, struct cifsTconInfo *tcon, |
286 | const char *fileName, const int disposition, |
287 | const int access_flags, const int omode, |
288 | __u16 *netfid, int *pOplock, FILE_ALL_INFO *, |
289 | const struct nls_table *nls_codepage, int remap); |
290 | extern int CIFSPOSIXCreate(const int xid, struct cifsTconInfo *tcon, |
291 | u32 posix_flags, __u64 mode, __u16 *netfid, |
292 | FILE_UNIX_BASIC_INFO *pRetData, |
293 | __u32 *pOplock, const char *name, |
294 | const struct nls_table *nls_codepage, int remap); |
295 | extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon, |
296 | const int smb_file_id); |
297 | |
298 | extern int CIFSSMBFlush(const int xid, struct cifsTconInfo *tcon, |
299 | const int smb_file_id); |
300 | |
301 | extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon, |
302 | const int netfid, unsigned int count, |
303 | const __u64 lseek, unsigned int *nbytes, char **buf, |
304 | int *return_buf_type); |
305 | extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon, |
306 | const int netfid, const unsigned int count, |
307 | const __u64 lseek, unsigned int *nbytes, |
308 | const char *buf, const char __user *ubuf, |
309 | const int long_op); |
310 | extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon, |
311 | const int netfid, const unsigned int count, |
312 | const __u64 offset, unsigned int *nbytes, |
313 | struct kvec *iov, const int nvec, const int long_op); |
314 | extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon, |
315 | const unsigned char *searchName, __u64 *inode_number, |
316 | const struct nls_table *nls_codepage, |
317 | int remap_special_chars); |
318 | extern int cifsConvertToUCS(__le16 *target, const char *source, int maxlen, |
319 | const struct nls_table *cp, int mapChars); |
320 | |
321 | extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon, |
322 | const __u16 netfid, const __u64 len, |
323 | const __u64 offset, const __u32 numUnlock, |
324 | const __u32 numLock, const __u8 lockType, |
325 | const bool waitFlag); |
326 | extern int CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon, |
327 | const __u16 smb_file_id, const int get_flag, |
328 | const __u64 len, struct file_lock *, |
329 | const __u16 lock_type, const bool waitFlag); |
330 | extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon); |
331 | extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses); |
332 | |
333 | extern struct cifsSesInfo *sesInfoAlloc(void); |
334 | extern void sesInfoFree(struct cifsSesInfo *); |
335 | extern struct cifsTconInfo *tconInfoAlloc(void); |
336 | extern void tconInfoFree(struct cifsTconInfo *); |
337 | |
338 | extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *); |
339 | extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *, |
340 | __u32 *); |
341 | extern int cifs_verify_signature(struct smb_hdr *, |
342 | const struct mac_key *mac_key, |
343 | __u32 expected_sequence_number); |
344 | extern int cifs_calculate_mac_key(struct mac_key *key, const char *rn, |
345 | const char *pass); |
346 | extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo *, |
347 | const struct nls_table *); |
348 | extern void CalcNTLMv2_response(const struct cifsSesInfo *, char *); |
349 | extern void setup_ntlmv2_rsp(struct cifsSesInfo *, char *, |
350 | const struct nls_table *); |
351 | #ifdef CONFIG_CIFS_WEAK_PW_HASH |
352 | extern void calc_lanman_hash(const char *password, const char *cryptkey, |
353 | bool encrypt, char *lnm_session_key); |
354 | #endif /* CIFS_WEAK_PW_HASH */ |
355 | extern int CIFSSMBCopy(int xid, |
356 | struct cifsTconInfo *source_tcon, |
357 | const char *fromName, |
358 | const __u16 target_tid, |
359 | const char *toName, const int flags, |
360 | const struct nls_table *nls_codepage, |
361 | int remap_special_chars); |
362 | extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon, |
363 | const int notify_subdirs, const __u16 netfid, |
364 | __u32 filter, struct file *file, int multishot, |
365 | const struct nls_table *nls_codepage); |
366 | extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon, |
367 | const unsigned char *searchName, char *EAData, |
368 | size_t bufsize, const struct nls_table *nls_codepage, |
369 | int remap_special_chars); |
370 | extern ssize_t CIFSSMBQueryEA(const int xid, struct cifsTconInfo *tcon, |
371 | const unsigned char *searchName, const unsigned char *ea_name, |
372 | unsigned char *ea_value, size_t buf_size, |
373 | const struct nls_table *nls_codepage, int remap_special_chars); |
374 | extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon, |
375 | const char *fileName, const char *ea_name, |
376 | const void *ea_value, const __u16 ea_value_len, |
377 | const struct nls_table *nls_codepage, int remap_special_chars); |
378 | extern int CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon, |
379 | __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen); |
380 | extern int CIFSSMBSetCIFSACL(const int, struct cifsTconInfo *, __u16, |
381 | struct cifs_ntsd *, __u32); |
382 | extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon, |
383 | const unsigned char *searchName, |
384 | char *acl_inf, const int buflen, const int acl_type, |
385 | const struct nls_table *nls_codepage, int remap_special_chars); |
386 | extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon, |
387 | const unsigned char *fileName, |
388 | const char *local_acl, const int buflen, const int acl_type, |
389 | const struct nls_table *nls_codepage, int remap_special_chars); |
390 | extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon, |
391 | const int netfid, __u64 *pExtAttrBits, __u64 *pMask); |
392 | #endif /* _CIFSPROTO_H */ |
393 |
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