cifsproto.h 15 KB

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  1. /*
  2. * fs/cifs/cifsproto.h
  3. *
  4. * Copyright (c) International Business Machines Corp., 2002,2006
  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 socket *, struct smb_hdr *,
  36. unsigned int /* length */ , struct sockaddr *);
  37. extern unsigned int _GetXid(void);
  38. extern void _FreeXid(unsigned int);
  39. #define GetXid() (int)_GetXid(); cFYI(1,("CIFS VFS: in %s as Xid: %d with uid: %d",__FUNCTION__, xid,current->fsuid));
  40. #define FreeXid(curr_xid) {_FreeXid(curr_xid); cFYI(1,("CIFS VFS: leaving %s (xid = %d) rc = %d",__FUNCTION__,curr_xid,(int)rc));}
  41. extern char *build_path_from_dentry(struct dentry *);
  42. extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
  43. /* extern void renew_parental_timestamps(struct dentry *direntry);*/
  44. extern int SendReceive(const unsigned int /* xid */ , struct cifsSesInfo *,
  45. struct smb_hdr * /* input */ ,
  46. struct smb_hdr * /* out */ ,
  47. int * /* bytes returned */ , const int long_op);
  48. extern int SendReceive2(const unsigned int /* xid */ , struct cifsSesInfo *,
  49. struct kvec *, int /* nvec to send */,
  50. int * /* type of buf returned */ , const int long_op);
  51. extern int SendReceiveBlockingLock(const unsigned int /* xid */ ,
  52. struct cifsTconInfo *,
  53. struct smb_hdr * /* input */ ,
  54. struct smb_hdr * /* out */ ,
  55. int * /* bytes returned */);
  56. extern int checkSMB(struct smb_hdr *smb, __u16 mid, unsigned int length);
  57. extern int is_valid_oplock_break(struct smb_hdr *smb, struct TCP_Server_Info *);
  58. extern int is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
  59. extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *);
  60. extern unsigned int smbCalcSize(struct smb_hdr *ptr);
  61. extern unsigned int smbCalcSize_LE(struct smb_hdr *ptr);
  62. extern int decode_negTokenInit(unsigned char *security_blob, int length,
  63. enum securityEnum *secType);
  64. extern int cifs_inet_pton(int, char * source, void *dst);
  65. extern int map_smb_to_linux_error(struct smb_hdr *smb);
  66. extern void header_assemble(struct smb_hdr *, char /* command */ ,
  67. const struct cifsTconInfo *, int /* length of
  68. fixed section (word count) in two byte units */);
  69. extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
  70. struct cifsSesInfo *ses,
  71. void ** request_buf);
  72. extern int CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses,
  73. const int stage,
  74. const struct nls_table *nls_cp);
  75. extern __u16 GetNextMid(struct TCP_Server_Info *server);
  76. extern struct oplock_q_entry * AllocOplockQEntry(struct inode *, u16,
  77. struct cifsTconInfo *);
  78. extern void DeleteOplockQEntry(struct oplock_q_entry *);
  79. extern struct timespec cifs_NTtimeToUnix(u64 /* utc nanoseconds since 1601 */ );
  80. extern u64 cifs_UnixTimeToNT(struct timespec);
  81. extern __le64 cnvrtDosCifsTm(__u16 date, __u16 time);
  82. extern struct timespec cnvrtDosUnixTm(__u16 date, __u16 time);
  83. extern int cifs_get_inode_info(struct inode **pinode,
  84. const unsigned char *search_path,
  85. FILE_ALL_INFO * pfile_info,
  86. struct super_block *sb, int xid);
  87. extern int cifs_get_inode_info_unix(struct inode **pinode,
  88. const unsigned char *search_path,
  89. struct super_block *sb,int xid);
  90. extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *,
  91. const char *);
  92. extern int cifs_umount(struct super_block *, struct cifs_sb_info *);
  93. void cifs_proc_init(void);
  94. void cifs_proc_clean(void);
  95. extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
  96. struct nls_table * nls_info);
  97. extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses);
  98. extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
  99. const char *tree, struct cifsTconInfo *tcon,
  100. const struct nls_table *);
  101. extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon,
  102. const char *searchName, const struct nls_table *nls_codepage,
  103. __u16 *searchHandle, struct cifs_search_info * psrch_inf,
  104. int map, const char dirsep);
  105. extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
  106. __u16 searchHandle, struct cifs_search_info * psrch_inf);
  107. extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
  108. const __u16 search_handle);
  109. extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
  110. const unsigned char *searchName,
  111. FILE_ALL_INFO * findData,
  112. int legacy /* whether to use old info level */,
  113. const struct nls_table *nls_codepage, int remap);
  114. extern int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon,
  115. const unsigned char *searchName,
  116. FILE_ALL_INFO * findData,
  117. const struct nls_table *nls_codepage, int remap);
  118. extern int CIFSSMBUnixQPathInfo(const int xid,
  119. struct cifsTconInfo *tcon,
  120. const unsigned char *searchName,
  121. FILE_UNIX_BASIC_INFO * pFindData,
  122. const struct nls_table *nls_codepage, int remap);
  123. extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
  124. const unsigned char *searchName,
  125. unsigned char **targetUNCs,
  126. unsigned int *number_of_UNC_in_array,
  127. const struct nls_table *nls_codepage, int remap);
  128. extern int connect_to_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
  129. const char *old_path,
  130. const struct nls_table *nls_codepage, int remap);
  131. extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
  132. const char *old_path,
  133. const struct nls_table *nls_codepage,
  134. unsigned int *pnum_referrals,
  135. unsigned char ** preferrals,
  136. int remap);
  137. extern void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
  138. struct super_block * sb, struct smb_vol * vol);
  139. extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon,
  140. struct kstatfs *FSData);
  141. extern int SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon,
  142. struct kstatfs *FSData);
  143. extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon,
  144. __u64 cap);
  145. extern int CIFSSMBQFSAttributeInfo(const int xid,
  146. struct cifsTconInfo *tcon);
  147. extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon);
  148. extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon);
  149. extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon,
  150. struct kstatfs *FSData);
  151. extern int CIFSSMBSetTimes(const int xid, struct cifsTconInfo *tcon,
  152. const char *fileName, const FILE_BASIC_INFO * data,
  153. const struct nls_table *nls_codepage,
  154. int remap_special_chars);
  155. extern int CIFSSMBSetFileTimes(const int xid, struct cifsTconInfo *tcon,
  156. const FILE_BASIC_INFO * data, __u16 fid);
  157. #if 0
  158. extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon,
  159. char *fileName, __u16 dos_attributes,
  160. const struct nls_table *nls_codepage);
  161. #endif /* possibly unneeded function */
  162. extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon,
  163. const char *fileName, __u64 size,
  164. int setAllocationSizeFlag,
  165. const struct nls_table *nls_codepage,
  166. int remap_special_chars);
  167. extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon,
  168. __u64 size, __u16 fileHandle,__u32 opener_pid,
  169. int AllocSizeFlag);
  170. extern int CIFSSMBUnixSetPerms(const int xid, struct cifsTconInfo *pTcon,
  171. char *full_path, __u64 mode, __u64 uid,
  172. __u64 gid, dev_t dev,
  173. const struct nls_table *nls_codepage,
  174. int remap_special_chars);
  175. extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon,
  176. const char *newName,
  177. const struct nls_table *nls_codepage,
  178. int remap_special_chars);
  179. extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon,
  180. const char *name, const struct nls_table *nls_codepage,
  181. int remap_special_chars);
  182. extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon,
  183. const char *name,
  184. const struct nls_table *nls_codepage,
  185. int remap_special_chars);
  186. extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon,
  187. const char *fromName, const char *toName,
  188. const struct nls_table *nls_codepage,
  189. int remap_special_chars);
  190. extern int CIFSSMBRenameOpenFile(const int xid,struct cifsTconInfo *pTcon,
  191. int netfid, char * target_name,
  192. const struct nls_table *nls_codepage,
  193. int remap_special_chars);
  194. extern int CIFSCreateHardLink(const int xid,
  195. struct cifsTconInfo *tcon,
  196. const char *fromName, const char *toName,
  197. const struct nls_table *nls_codepage,
  198. int remap_special_chars);
  199. extern int CIFSUnixCreateHardLink(const int xid,
  200. struct cifsTconInfo *tcon,
  201. const char *fromName, const char *toName,
  202. const struct nls_table *nls_codepage,
  203. int remap_special_chars);
  204. extern int CIFSUnixCreateSymLink(const int xid,
  205. struct cifsTconInfo *tcon,
  206. const char *fromName, const char *toName,
  207. const struct nls_table *nls_codepage);
  208. extern int CIFSSMBUnixQuerySymLink(const int xid,
  209. struct cifsTconInfo *tcon,
  210. const unsigned char *searchName,
  211. char *syminfo, const int buflen,
  212. const struct nls_table *nls_codepage);
  213. extern int CIFSSMBQueryReparseLinkInfo(const int xid,
  214. struct cifsTconInfo *tcon,
  215. const unsigned char *searchName,
  216. char *symlinkinfo, const int buflen, __u16 fid,
  217. const struct nls_table *nls_codepage);
  218. extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
  219. const char *fileName, const int disposition,
  220. const int access_flags, const int omode,
  221. __u16 * netfid, int *pOplock, FILE_ALL_INFO *,
  222. const struct nls_table *nls_codepage, int remap);
  223. extern int SMBLegacyOpen(const int xid, struct cifsTconInfo *tcon,
  224. const char *fileName, const int disposition,
  225. const int access_flags, const int omode,
  226. __u16 * netfid, int *pOplock, FILE_ALL_INFO *,
  227. const struct nls_table *nls_codepage, int remap);
  228. extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon,
  229. const int smb_file_id);
  230. extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
  231. const int netfid, unsigned int count,
  232. const __u64 lseek, unsigned int *nbytes, char **buf,
  233. int * return_buf_type);
  234. extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
  235. const int netfid, const unsigned int count,
  236. const __u64 lseek, unsigned int *nbytes,
  237. const char *buf, const char __user *ubuf,
  238. const int long_op);
  239. extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
  240. const int netfid, const unsigned int count,
  241. const __u64 offset, unsigned int *nbytes,
  242. struct kvec *iov, const int nvec, const int long_op);
  243. extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
  244. const unsigned char *searchName, __u64 * inode_number,
  245. const struct nls_table *nls_codepage,
  246. int remap_special_chars);
  247. extern int cifs_convertUCSpath(char *target, const __le16 *source, int maxlen,
  248. const struct nls_table * codepage);
  249. extern int cifsConvertToUCS(__le16 * target, const char *source, int maxlen,
  250. const struct nls_table * cp, int mapChars);
  251. extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
  252. const __u16 netfid, const __u64 len,
  253. const __u64 offset, const __u32 numUnlock,
  254. const __u32 numLock, const __u8 lockType,
  255. const int waitFlag);
  256. extern int CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon,
  257. const __u16 smb_file_id, const int get_flag,
  258. const __u64 len, struct file_lock *,
  259. const __u16 lock_type, const int waitFlag);
  260. extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon);
  261. extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses);
  262. extern struct cifsSesInfo *sesInfoAlloc(void);
  263. extern void sesInfoFree(struct cifsSesInfo *);
  264. extern struct cifsTconInfo *tconInfoAlloc(void);
  265. extern void tconInfoFree(struct cifsTconInfo *);
  266. extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *,__u32 *);
  267. extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
  268. __u32 *);
  269. extern int cifs_verify_signature(struct smb_hdr *, const char * mac_key,
  270. __u32 expected_sequence_number);
  271. extern int cifs_calculate_mac_key(char * key,const char * rn,const char * pass);
  272. extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo *,
  273. const struct nls_table *);
  274. extern void CalcNTLMv2_response(const struct cifsSesInfo *, char * );
  275. extern void setup_ntlmv2_rsp(struct cifsSesInfo *, char *,
  276. const struct nls_table *);
  277. #ifdef CONFIG_CIFS_WEAK_PW_HASH
  278. extern void calc_lanman_hash(struct cifsSesInfo * ses, char * lnm_session_key);
  279. #endif /* CIFS_WEAK_PW_HASH */
  280. extern int CIFSSMBCopy(int xid,
  281. struct cifsTconInfo *source_tcon,
  282. const char *fromName,
  283. const __u16 target_tid,
  284. const char *toName, const int flags,
  285. const struct nls_table *nls_codepage,
  286. int remap_special_chars);
  287. extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
  288. const int notify_subdirs,const __u16 netfid,
  289. __u32 filter, struct file * file, int multishot,
  290. const struct nls_table *nls_codepage);
  291. extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
  292. const unsigned char *searchName, char * EAData,
  293. size_t bufsize, const struct nls_table *nls_codepage,
  294. int remap_special_chars);
  295. extern ssize_t CIFSSMBQueryEA(const int xid,struct cifsTconInfo * tcon,
  296. const unsigned char * searchName,const unsigned char * ea_name,
  297. unsigned char * ea_value, size_t buf_size,
  298. const struct nls_table *nls_codepage, int remap_special_chars);
  299. extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon,
  300. const char *fileName, const char * ea_name,
  301. const void * ea_value, const __u16 ea_value_len,
  302. const struct nls_table *nls_codepage, int remap_special_chars);
  303. extern int CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon,
  304. __u16 fid, char *acl_inf, const int buflen,
  305. const int acl_type /* ACCESS vs. DEFAULT */);
  306. extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon,
  307. const unsigned char *searchName,
  308. char *acl_inf, const int buflen,const int acl_type,
  309. const struct nls_table *nls_codepage, int remap_special_chars);
  310. extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon,
  311. const unsigned char *fileName,
  312. const char *local_acl, const int buflen, const int acl_type,
  313. const struct nls_table *nls_codepage, int remap_special_chars);
  314. extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon,
  315. const int netfid, __u64 * pExtAttrBits, __u64 *pMask);
  316. #endif /* _CIFSPROTO_H */