cifsproto.h 21 KB

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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. struct statfs;
  25. struct smb_vol;
  26. /*
  27. *****************************************************************
  28. * All Prototypes
  29. *****************************************************************
  30. */
  31. extern struct smb_hdr *cifs_buf_get(void);
  32. extern void cifs_buf_release(void *);
  33. extern struct smb_hdr *cifs_small_buf_get(void);
  34. extern void cifs_small_buf_release(void *);
  35. extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *,
  36. unsigned int /* length */);
  37. extern unsigned int _GetXid(void);
  38. extern void _FreeXid(unsigned int);
  39. #define GetXid() \
  40. ({ \
  41. int __xid = (int)_GetXid(); \
  42. cFYI(1, "CIFS VFS: in %s as Xid: %d with uid: %d", \
  43. __func__, __xid, current_fsuid()); \
  44. __xid; \
  45. })
  46. #define FreeXid(curr_xid) \
  47. do { \
  48. _FreeXid(curr_xid); \
  49. cFYI(1, "CIFS VFS: leaving %s (xid = %d) rc = %d", \
  50. __func__, curr_xid, (int)rc); \
  51. } while (0)
  52. extern int init_cifs_idmap(void);
  53. extern void exit_cifs_idmap(void);
  54. extern void cifs_destroy_idmaptrees(void);
  55. extern char *build_path_from_dentry(struct dentry *);
  56. extern char *cifs_build_path_to_root(struct smb_vol *vol,
  57. struct cifs_sb_info *cifs_sb,
  58. struct cifs_tcon *tcon);
  59. extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
  60. extern char *cifs_compose_mount_options(const char *sb_mountdata,
  61. const char *fullpath, const struct dfs_info3_param *ref,
  62. char **devname);
  63. /* extern void renew_parental_timestamps(struct dentry *direntry);*/
  64. extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer,
  65. struct TCP_Server_Info *server);
  66. extern void DeleteMidQEntry(struct mid_q_entry *midEntry);
  67. extern int cifs_call_async(struct TCP_Server_Info *server, struct kvec *iov,
  68. unsigned int nvec, mid_receive_t *receive,
  69. mid_callback_t *callback, void *cbdata,
  70. bool ignore_pend);
  71. extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *,
  72. struct smb_hdr * /* input */ ,
  73. struct smb_hdr * /* out */ ,
  74. int * /* bytes returned */ , const int long_op);
  75. extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses,
  76. struct smb_hdr *in_buf, int flags);
  77. extern int cifs_check_receive(struct mid_q_entry *mid,
  78. struct TCP_Server_Info *server, bool log_error);
  79. extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *,
  80. struct kvec *, int /* nvec to send */,
  81. int * /* type of buf returned */ , const int flags);
  82. extern int SendReceiveBlockingLock(const unsigned int xid,
  83. struct cifs_tcon *ptcon,
  84. struct smb_hdr *in_buf ,
  85. struct smb_hdr *out_buf,
  86. int *bytes_returned);
  87. extern void cifs_add_credits(struct TCP_Server_Info *server,
  88. const unsigned int add);
  89. extern void cifs_set_credits(struct TCP_Server_Info *server, const int val);
  90. extern int checkSMB(struct smb_hdr *smb, __u16 mid, unsigned int length);
  91. extern bool is_valid_oplock_break(struct smb_hdr *smb,
  92. struct TCP_Server_Info *);
  93. extern bool backup_cred(struct cifs_sb_info *);
  94. extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
  95. extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset,
  96. unsigned int bytes_written);
  97. extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, bool);
  98. extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
  99. extern unsigned int smbCalcSize(struct smb_hdr *ptr);
  100. extern int decode_negTokenInit(unsigned char *security_blob, int length,
  101. struct TCP_Server_Info *server);
  102. extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len);
  103. extern int cifs_set_port(struct sockaddr *addr, const unsigned short int port);
  104. extern int cifs_fill_sockaddr(struct sockaddr *dst, const char *src, int len,
  105. const unsigned short int port);
  106. extern int map_smb_to_linux_error(struct smb_hdr *smb, bool logErr);
  107. extern void header_assemble(struct smb_hdr *, char /* command */ ,
  108. const struct cifs_tcon *, int /* length of
  109. fixed section (word count) in two byte units */);
  110. extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
  111. struct cifs_ses *ses,
  112. void **request_buf);
  113. extern int CIFS_SessSetup(unsigned int xid, struct cifs_ses *ses,
  114. const struct nls_table *nls_cp);
  115. extern __u16 GetNextMid(struct TCP_Server_Info *server);
  116. extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
  117. extern u64 cifs_UnixTimeToNT(struct timespec);
  118. extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
  119. int offset);
  120. extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
  121. extern struct cifsFileInfo *cifs_new_fileinfo(__u16 fileHandle,
  122. struct file *file, struct tcon_link *tlink,
  123. __u32 oplock);
  124. extern int cifs_posix_open(char *full_path, struct inode **pinode,
  125. struct super_block *sb,
  126. int mode, unsigned int f_flags,
  127. __u32 *poplock, __u16 *pnetfid, int xid);
  128. void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr);
  129. extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
  130. FILE_UNIX_BASIC_INFO *info,
  131. struct cifs_sb_info *cifs_sb);
  132. extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
  133. extern struct inode *cifs_iget(struct super_block *sb,
  134. struct cifs_fattr *fattr);
  135. extern int cifs_get_file_info(struct file *filp);
  136. extern int cifs_get_inode_info(struct inode **pinode,
  137. const unsigned char *search_path,
  138. FILE_ALL_INFO *pfile_info,
  139. struct super_block *sb, int xid, const __u16 *pfid);
  140. extern int cifs_get_file_info_unix(struct file *filp);
  141. extern int cifs_get_inode_info_unix(struct inode **pinode,
  142. const unsigned char *search_path,
  143. struct super_block *sb, int xid);
  144. extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
  145. struct cifs_fattr *fattr, struct inode *inode,
  146. const char *path, const __u16 *pfid);
  147. extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64,
  148. uid_t, gid_t);
  149. extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *,
  150. const char *, u32 *);
  151. extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *,
  152. const char *, int);
  153. extern void dequeue_mid(struct mid_q_entry *mid, bool malformed);
  154. extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf,
  155. unsigned int to_read);
  156. extern int cifs_readv_from_socket(struct TCP_Server_Info *server,
  157. struct kvec *iov_orig, unsigned int nr_segs,
  158. unsigned int to_read);
  159. extern void cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
  160. struct cifs_sb_info *cifs_sb);
  161. extern int cifs_match_super(struct super_block *, void *);
  162. extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info);
  163. extern struct smb_vol *cifs_get_volume_info(char *mount_data,
  164. const char *devname);
  165. extern int cifs_mount(struct cifs_sb_info *, struct smb_vol *);
  166. extern void cifs_umount(struct cifs_sb_info *);
  167. #if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL)
  168. extern void cifs_dfs_release_automount_timer(void);
  169. #else /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
  170. #define cifs_dfs_release_automount_timer() do { } while (0)
  171. #endif /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
  172. void cifs_proc_init(void);
  173. void cifs_proc_clean(void);
  174. extern int cifs_negotiate_protocol(unsigned int xid,
  175. struct cifs_ses *ses);
  176. extern int cifs_setup_session(unsigned int xid, struct cifs_ses *ses,
  177. struct nls_table *nls_info);
  178. extern int CIFSSMBNegotiate(unsigned int xid, struct cifs_ses *ses);
  179. extern int CIFSTCon(unsigned int xid, struct cifs_ses *ses,
  180. const char *tree, struct cifs_tcon *tcon,
  181. const struct nls_table *);
  182. extern int CIFSFindFirst(const int xid, struct cifs_tcon *tcon,
  183. const char *searchName, const struct nls_table *nls_codepage,
  184. __u16 *searchHandle, struct cifs_search_info *psrch_inf,
  185. int map, const char dirsep);
  186. extern int CIFSFindNext(const int xid, struct cifs_tcon *tcon,
  187. __u16 searchHandle, struct cifs_search_info *psrch_inf);
  188. extern int CIFSFindClose(const int, struct cifs_tcon *tcon,
  189. const __u16 search_handle);
  190. extern int CIFSSMBQFileInfo(const int xid, struct cifs_tcon *tcon,
  191. u16 netfid, FILE_ALL_INFO *pFindData);
  192. extern int CIFSSMBQPathInfo(const int xid, struct cifs_tcon *tcon,
  193. const unsigned char *searchName,
  194. FILE_ALL_INFO *findData,
  195. int legacy /* whether to use old info level */,
  196. const struct nls_table *nls_codepage, int remap);
  197. extern int SMBQueryInformation(const int xid, struct cifs_tcon *tcon,
  198. const unsigned char *searchName,
  199. FILE_ALL_INFO *findData,
  200. const struct nls_table *nls_codepage, int remap);
  201. extern int CIFSSMBUnixQFileInfo(const int xid, struct cifs_tcon *tcon,
  202. u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
  203. extern int CIFSSMBUnixQPathInfo(const int xid,
  204. struct cifs_tcon *tcon,
  205. const unsigned char *searchName,
  206. FILE_UNIX_BASIC_INFO *pFindData,
  207. const struct nls_table *nls_codepage, int remap);
  208. extern int CIFSGetDFSRefer(const int xid, struct cifs_ses *ses,
  209. const unsigned char *searchName,
  210. struct dfs_info3_param **target_nodes,
  211. unsigned int *number_of_nodes_in_array,
  212. const struct nls_table *nls_codepage, int remap);
  213. extern int get_dfs_path(int xid, struct cifs_ses *pSesInfo,
  214. const char *old_path,
  215. const struct nls_table *nls_codepage,
  216. unsigned int *pnum_referrals,
  217. struct dfs_info3_param **preferrals,
  218. int remap);
  219. extern void reset_cifs_unix_caps(int xid, struct cifs_tcon *tcon,
  220. struct cifs_sb_info *cifs_sb,
  221. struct smb_vol *vol);
  222. extern int CIFSSMBQFSInfo(const int xid, struct cifs_tcon *tcon,
  223. struct kstatfs *FSData);
  224. extern int SMBOldQFSInfo(const int xid, struct cifs_tcon *tcon,
  225. struct kstatfs *FSData);
  226. extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifs_tcon *tcon,
  227. __u64 cap);
  228. extern int CIFSSMBQFSAttributeInfo(const int xid,
  229. struct cifs_tcon *tcon);
  230. extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifs_tcon *tcon);
  231. extern int CIFSSMBQFSUnixInfo(const int xid, struct cifs_tcon *tcon);
  232. extern int CIFSSMBQFSPosixInfo(const int xid, struct cifs_tcon *tcon,
  233. struct kstatfs *FSData);
  234. extern int CIFSSMBSetPathInfo(const int xid, struct cifs_tcon *tcon,
  235. const char *fileName, const FILE_BASIC_INFO *data,
  236. const struct nls_table *nls_codepage,
  237. int remap_special_chars);
  238. extern int CIFSSMBSetFileInfo(const int xid, struct cifs_tcon *tcon,
  239. const FILE_BASIC_INFO *data, __u16 fid,
  240. __u32 pid_of_opener);
  241. extern int CIFSSMBSetFileDisposition(const int xid, struct cifs_tcon *tcon,
  242. bool delete_file, __u16 fid, __u32 pid_of_opener);
  243. #if 0
  244. extern int CIFSSMBSetAttrLegacy(int xid, struct cifs_tcon *tcon,
  245. char *fileName, __u16 dos_attributes,
  246. const struct nls_table *nls_codepage);
  247. #endif /* possibly unneeded function */
  248. extern int CIFSSMBSetEOF(const int xid, struct cifs_tcon *tcon,
  249. const char *fileName, __u64 size,
  250. bool setAllocationSizeFlag,
  251. const struct nls_table *nls_codepage,
  252. int remap_special_chars);
  253. extern int CIFSSMBSetFileSize(const int xid, struct cifs_tcon *tcon,
  254. __u64 size, __u16 fileHandle, __u32 opener_pid,
  255. bool AllocSizeFlag);
  256. struct cifs_unix_set_info_args {
  257. __u64 ctime;
  258. __u64 atime;
  259. __u64 mtime;
  260. __u64 mode;
  261. __u64 uid;
  262. __u64 gid;
  263. dev_t device;
  264. };
  265. extern int CIFSSMBUnixSetFileInfo(const int xid, struct cifs_tcon *tcon,
  266. const struct cifs_unix_set_info_args *args,
  267. u16 fid, u32 pid_of_opener);
  268. extern int CIFSSMBUnixSetPathInfo(const int xid, struct cifs_tcon *pTcon,
  269. char *fileName,
  270. const struct cifs_unix_set_info_args *args,
  271. const struct nls_table *nls_codepage,
  272. int remap_special_chars);
  273. extern int CIFSSMBMkDir(const int xid, struct cifs_tcon *tcon,
  274. const char *newName,
  275. const struct nls_table *nls_codepage,
  276. int remap_special_chars);
  277. extern int CIFSSMBRmDir(const int xid, struct cifs_tcon *tcon,
  278. const char *name, const struct nls_table *nls_codepage,
  279. int remap_special_chars);
  280. extern int CIFSPOSIXDelFile(const int xid, struct cifs_tcon *tcon,
  281. const char *name, __u16 type,
  282. const struct nls_table *nls_codepage,
  283. int remap_special_chars);
  284. extern int CIFSSMBDelFile(const int xid, struct cifs_tcon *tcon,
  285. const char *name,
  286. const struct nls_table *nls_codepage,
  287. int remap_special_chars);
  288. extern int CIFSSMBRename(const int xid, struct cifs_tcon *tcon,
  289. const char *fromName, const char *toName,
  290. const struct nls_table *nls_codepage,
  291. int remap_special_chars);
  292. extern int CIFSSMBRenameOpenFile(const int xid, struct cifs_tcon *pTcon,
  293. int netfid, const char *target_name,
  294. const struct nls_table *nls_codepage,
  295. int remap_special_chars);
  296. extern int CIFSCreateHardLink(const int xid,
  297. struct cifs_tcon *tcon,
  298. const char *fromName, const char *toName,
  299. const struct nls_table *nls_codepage,
  300. int remap_special_chars);
  301. extern int CIFSUnixCreateHardLink(const int xid,
  302. struct cifs_tcon *tcon,
  303. const char *fromName, const char *toName,
  304. const struct nls_table *nls_codepage,
  305. int remap_special_chars);
  306. extern int CIFSUnixCreateSymLink(const int xid,
  307. struct cifs_tcon *tcon,
  308. const char *fromName, const char *toName,
  309. const struct nls_table *nls_codepage);
  310. extern int CIFSSMBUnixQuerySymLink(const int xid,
  311. struct cifs_tcon *tcon,
  312. const unsigned char *searchName, char **syminfo,
  313. const struct nls_table *nls_codepage);
  314. #ifdef CONFIG_CIFS_SYMLINK_EXPERIMENTAL
  315. extern int CIFSSMBQueryReparseLinkInfo(const int xid,
  316. struct cifs_tcon *tcon,
  317. const unsigned char *searchName,
  318. char *symlinkinfo, const int buflen, __u16 fid,
  319. const struct nls_table *nls_codepage);
  320. #endif /* temporarily unused until cifs_symlink fixed */
  321. extern int CIFSSMBOpen(const int xid, struct cifs_tcon *tcon,
  322. const char *fileName, const int disposition,
  323. const int access_flags, const int omode,
  324. __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
  325. const struct nls_table *nls_codepage, int remap);
  326. extern int SMBLegacyOpen(const int xid, struct cifs_tcon *tcon,
  327. const char *fileName, const int disposition,
  328. const int access_flags, const int omode,
  329. __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
  330. const struct nls_table *nls_codepage, int remap);
  331. extern int CIFSPOSIXCreate(const int xid, struct cifs_tcon *tcon,
  332. u32 posix_flags, __u64 mode, __u16 *netfid,
  333. FILE_UNIX_BASIC_INFO *pRetData,
  334. __u32 *pOplock, const char *name,
  335. const struct nls_table *nls_codepage, int remap);
  336. extern int CIFSSMBClose(const int xid, struct cifs_tcon *tcon,
  337. const int smb_file_id);
  338. extern int CIFSSMBFlush(const int xid, struct cifs_tcon *tcon,
  339. const int smb_file_id);
  340. extern int CIFSSMBRead(const int xid, struct cifs_io_parms *io_parms,
  341. unsigned int *nbytes, char **buf,
  342. int *return_buf_type);
  343. extern int CIFSSMBWrite(const int xid, struct cifs_io_parms *io_parms,
  344. unsigned int *nbytes, const char *buf,
  345. const char __user *ubuf, const int long_op);
  346. extern int CIFSSMBWrite2(const int xid, struct cifs_io_parms *io_parms,
  347. unsigned int *nbytes, struct kvec *iov, const int nvec,
  348. const int long_op);
  349. extern int CIFSGetSrvInodeNumber(const int xid, struct cifs_tcon *tcon,
  350. const unsigned char *searchName, __u64 *inode_number,
  351. const struct nls_table *nls_codepage,
  352. int remap_special_chars);
  353. extern int cifs_lockv(const int xid, struct cifs_tcon *tcon, const __u16 netfid,
  354. const __u8 lock_type, const __u32 num_unlock,
  355. const __u32 num_lock, LOCKING_ANDX_RANGE *buf);
  356. extern int CIFSSMBLock(const int xid, struct cifs_tcon *tcon,
  357. const __u16 netfid, const __u32 netpid, const __u64 len,
  358. const __u64 offset, const __u32 numUnlock,
  359. const __u32 numLock, const __u8 lockType,
  360. const bool waitFlag, const __u8 oplock_level);
  361. extern int CIFSSMBPosixLock(const int xid, struct cifs_tcon *tcon,
  362. const __u16 smb_file_id, const __u32 netpid,
  363. const int get_flag, const __u64 len, struct file_lock *,
  364. const __u16 lock_type, const bool waitFlag);
  365. extern int CIFSSMBTDis(const int xid, struct cifs_tcon *tcon);
  366. extern int CIFSSMBEcho(struct TCP_Server_Info *server);
  367. extern int CIFSSMBLogoff(const int xid, struct cifs_ses *ses);
  368. extern struct cifs_ses *sesInfoAlloc(void);
  369. extern void sesInfoFree(struct cifs_ses *);
  370. extern struct cifs_tcon *tconInfoAlloc(void);
  371. extern void tconInfoFree(struct cifs_tcon *);
  372. extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
  373. extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
  374. __u32 *);
  375. extern int cifs_verify_signature(struct kvec *iov, unsigned int nr_iov,
  376. struct TCP_Server_Info *server,
  377. __u32 expected_sequence_number);
  378. extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *,
  379. const struct nls_table *);
  380. extern int setup_ntlm_response(struct cifs_ses *, const struct nls_table *);
  381. extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *);
  382. extern int cifs_crypto_shash_allocate(struct TCP_Server_Info *);
  383. extern void cifs_crypto_shash_release(struct TCP_Server_Info *);
  384. extern int calc_seckey(struct cifs_ses *);
  385. #ifdef CONFIG_CIFS_WEAK_PW_HASH
  386. extern int calc_lanman_hash(const char *password, const char *cryptkey,
  387. bool encrypt, char *lnm_session_key);
  388. #endif /* CIFS_WEAK_PW_HASH */
  389. #ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */
  390. extern int CIFSSMBNotify(const int xid, struct cifs_tcon *tcon,
  391. const int notify_subdirs, const __u16 netfid,
  392. __u32 filter, struct file *file, int multishot,
  393. const struct nls_table *nls_codepage);
  394. #endif /* was needed for dnotify, and will be needed for inotify when VFS fix */
  395. extern int CIFSSMBCopy(int xid,
  396. struct cifs_tcon *source_tcon,
  397. const char *fromName,
  398. const __u16 target_tid,
  399. const char *toName, const int flags,
  400. const struct nls_table *nls_codepage,
  401. int remap_special_chars);
  402. extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifs_tcon *tcon,
  403. const unsigned char *searchName,
  404. const unsigned char *ea_name, char *EAData,
  405. size_t bufsize, const struct nls_table *nls_codepage,
  406. int remap_special_chars);
  407. extern int CIFSSMBSetEA(const int xid, struct cifs_tcon *tcon,
  408. const char *fileName, const char *ea_name,
  409. const void *ea_value, const __u16 ea_value_len,
  410. const struct nls_table *nls_codepage, int remap_special_chars);
  411. extern int CIFSSMBGetCIFSACL(const int xid, struct cifs_tcon *tcon,
  412. __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
  413. extern int CIFSSMBSetCIFSACL(const int, struct cifs_tcon *, __u16,
  414. struct cifs_ntsd *, __u32, int);
  415. extern int CIFSSMBGetPosixACL(const int xid, struct cifs_tcon *tcon,
  416. const unsigned char *searchName,
  417. char *acl_inf, const int buflen, const int acl_type,
  418. const struct nls_table *nls_codepage, int remap_special_chars);
  419. extern int CIFSSMBSetPosixACL(const int xid, struct cifs_tcon *tcon,
  420. const unsigned char *fileName,
  421. const char *local_acl, const int buflen, const int acl_type,
  422. const struct nls_table *nls_codepage, int remap_special_chars);
  423. extern int CIFSGetExtAttr(const int xid, struct cifs_tcon *tcon,
  424. const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
  425. extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
  426. extern bool CIFSCouldBeMFSymlink(const struct cifs_fattr *fattr);
  427. extern int CIFSCheckMFSymlink(struct cifs_fattr *fattr,
  428. const unsigned char *path,
  429. struct cifs_sb_info *cifs_sb, int xid);
  430. extern int mdfour(unsigned char *, unsigned char *, int);
  431. extern int E_md4hash(const unsigned char *passwd, unsigned char *p16,
  432. const struct nls_table *codepage);
  433. extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8,
  434. unsigned char *p24);
  435. /* asynchronous read support */
  436. struct cifs_readdata {
  437. struct cifsFileInfo *cfile;
  438. struct address_space *mapping;
  439. __u64 offset;
  440. unsigned int bytes;
  441. pid_t pid;
  442. int result;
  443. struct list_head pages;
  444. struct work_struct work;
  445. unsigned int nr_iov;
  446. struct kvec iov[1];
  447. };
  448. struct cifs_readdata *cifs_readdata_alloc(unsigned int nr_pages);
  449. void cifs_readdata_free(struct cifs_readdata *rdata);
  450. int cifs_async_readv(struct cifs_readdata *rdata);
  451. /* asynchronous write support */
  452. struct cifs_writedata {
  453. struct kref refcount;
  454. enum writeback_sync_modes sync_mode;
  455. struct work_struct work;
  456. struct cifsFileInfo *cfile;
  457. __u64 offset;
  458. unsigned int bytes;
  459. int result;
  460. unsigned int nr_pages;
  461. struct page *pages[1];
  462. };
  463. int cifs_async_writev(struct cifs_writedata *wdata);
  464. struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages);
  465. void cifs_writedata_release(struct kref *refcount);
  466. #endif /* _CIFSPROTO_H */