fs/cifs/cifsproto.h

   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()                                                \
  43 ({                                                              \
  44         int __xid = (int)_GetXid();                             \
  45         cFYI(1, "CIFS VFS: in %s as Xid: %d with uid: %d",      \
  46              __func__, __xid, current_fsuid());                 \
  47         __xid;                                                  \
  48 })
  49
  50 #define FreeXid(curr_xid)                                       \
  51 do {                                                            \
  52         _FreeXid(curr_xid);                                     \
  53         cFYI(1, "CIFS VFS: leaving %s (xid = %d) rc = %d",      \
  54              __func__, curr_xid, (int)rc);                      \
  55 } while (0)
  56 extern char *build_path_from_dentry(struct dentry *);
  57 extern char *cifs_build_path_to_root(struct cifs_sb_info *cifs_sb,
  58                                         struct cifsTconInfo *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,
  68                            struct smb_hdr *in_buf, mid_callback_t *callback,
  69                            void *cbdata);
  70 extern int SendReceive(const unsigned int /* xid */ , struct cifsSesInfo *,
  71                         struct smb_hdr * /* input */ ,
  72                         struct smb_hdr * /* out */ ,
  73                         int * /* bytes returned */ , const int long_op);
  74 extern int SendReceiveNoRsp(const unsigned int xid, struct cifsSesInfo *ses,
  75                         struct smb_hdr *in_buf, int flags);
  76 extern int SendReceive2(const unsigned int /* xid */ , struct cifsSesInfo *,
  77                         struct kvec *, int /* nvec to send */,
  78                         int * /* type of buf returned */ , const int flags);
  79 extern int SendReceiveBlockingLock(const unsigned int xid,
  80                         struct cifsTconInfo *ptcon,
  81                         struct smb_hdr *in_buf ,
  82                         struct smb_hdr *out_buf,
  83                         int *bytes_returned);
  84 extern int checkSMB(struct smb_hdr *smb, __u16 mid, unsigned int length);
  85 extern bool is_valid_oplock_break(struct smb_hdr *smb,
  86                                   struct TCP_Server_Info *);
  87 extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
  88 extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset,
  89                             unsigned int bytes_written);
  90 extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, bool);
  91 extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
  92 extern unsigned int smbCalcSize(struct smb_hdr *ptr);
  93 extern unsigned int smbCalcSize_LE(struct smb_hdr *ptr);
  94 extern int decode_negTokenInit(unsigned char *security_blob, int length,
  95                         struct TCP_Server_Info *server);
  96 extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len);
  97 extern int cifs_set_port(struct sockaddr *addr, const unsigned short int port);
  98 extern int cifs_fill_sockaddr(struct sockaddr *dst, const char *src, int len,
  99                                 const unsigned short int port);
 100 extern int map_smb_to_linux_error(struct smb_hdr *smb, int logErr);
 101 extern void header_assemble(struct smb_hdr *, char /* command */ ,
 102                             const struct cifsTconInfo *, int /* length of
 103                             fixed section (word count) in two byte units */);
 104 extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
 105                                 struct cifsSesInfo *ses,
 106                                 void **request_buf);
 107 extern int CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses,
 108                              const struct nls_table *nls_cp);
 109 extern __u16 GetNextMid(struct TCP_Server_Info *server);
 110 extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
 111 extern u64 cifs_UnixTimeToNT(struct timespec);
 112 extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
 113                                       int offset);
 114 extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
 115
 116 extern struct cifsFileInfo *cifs_new_fileinfo(__u16 fileHandle,
 117                                 struct file *file, struct tcon_link *tlink,
 118                                 __u32 oplock);
 119 extern int cifs_posix_open(char *full_path, struct inode **pinode,
 120                                 struct super_block *sb,
 121                                 int mode, unsigned int f_flags,
 122                                 __u32 *poplock, __u16 *pnetfid, int xid);
 123 void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr);
 124 extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
 125                                      FILE_UNIX_BASIC_INFO *info,
 126                                      struct cifs_sb_info *cifs_sb);
 127 extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
 128 extern struct inode *cifs_iget(struct super_block *sb,
 129                                struct cifs_fattr *fattr);
 130
 131 extern int cifs_get_file_info(struct file *filp);
 132 extern int cifs_get_inode_info(struct inode **pinode,
 133                         const unsigned char *search_path,
 134                         FILE_ALL_INFO *pfile_info,
 135                         struct super_block *sb, int xid, const __u16 *pfid);
 136 extern int cifs_get_file_info_unix(struct file *filp);
 137 extern int cifs_get_inode_info_unix(struct inode **pinode,
 138                         const unsigned char *search_path,
 139                         struct super_block *sb, int xid);
 140 extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
 141                               struct cifs_fattr *fattr, struct inode *inode,
 142                               const char *path, const __u16 *pfid);
 143 extern int mode_to_cifs_acl(struct inode *inode, const char *path, __u64);
 144 extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *,
 145                                         const char *, u32 *);
 146
 147 extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *,
 148                         const char *);
 149 extern int cifs_umount(struct super_block *, struct cifs_sb_info *);
 150 extern void cifs_dfs_release_automount_timer(void);
 151 void cifs_proc_init(void);
 152 void cifs_proc_clean(void);
 153
 154 extern int cifs_negotiate_protocol(unsigned int xid,
 155                                   struct cifsSesInfo *ses);
 156 extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *ses,
 157                         struct nls_table *nls_info);
 158 extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses);
 159
 160 extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
 161                         const char *tree, struct cifsTconInfo *tcon,
 162                         const struct nls_table *);
 163
 164 extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon,
 165                 const char *searchName, const struct nls_table *nls_codepage,
 166                 __u16 *searchHandle, struct cifs_search_info *psrch_inf,
 167                 int map, const char dirsep);
 168
 169 extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
 170                 __u16 searchHandle, struct cifs_search_info *psrch_inf);
 171
 172 extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
 173                         const __u16 search_handle);
 174
 175 extern int CIFSSMBQFileInfo(const int xid, struct cifsTconInfo *tcon,
 176                         u16 netfid, FILE_ALL_INFO *pFindData);
 177 extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
 178                         const unsigned char *searchName,
 179                         FILE_ALL_INFO *findData,
 180                         int legacy /* whether to use old info level */,
 181                         const struct nls_table *nls_codepage, int remap);
 182 extern int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon,
 183                         const unsigned char *searchName,
 184                         FILE_ALL_INFO *findData,
 185                         const struct nls_table *nls_codepage, int remap);
 186
 187 extern int CIFSSMBUnixQFileInfo(const int xid, struct cifsTconInfo *tcon,
 188                         u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
 189 extern int CIFSSMBUnixQPathInfo(const int xid,
 190                         struct cifsTconInfo *tcon,
 191                         const unsigned char *searchName,
 192                         FILE_UNIX_BASIC_INFO *pFindData,
 193                         const struct nls_table *nls_codepage, int remap);
 194
 195 extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
 196                         const unsigned char *searchName,
 197                         struct dfs_info3_param **target_nodes,
 198                         unsigned int *number_of_nodes_in_array,
 199                         const struct nls_table *nls_codepage, int remap);
 200
 201 extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
 202                         const char *old_path,
 203                         const struct nls_table *nls_codepage,
 204                         unsigned int *pnum_referrals,
 205                         struct dfs_info3_param **preferrals,
 206                         int remap);
 207 extern void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
 208                                  struct super_block *sb, struct smb_vol *vol);
 209 extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon,
 210                         struct kstatfs *FSData);
 211 extern int SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon,
 212                         struct kstatfs *FSData);
 213 extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon,
 214                         __u64 cap);
 215
 216 extern int CIFSSMBQFSAttributeInfo(const int xid,
 217                         struct cifsTconInfo *tcon);
 218 extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon);
 219 extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon);
 220 extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon,
 221                         struct kstatfs *FSData);
 222
 223 extern int CIFSSMBSetPathInfo(const int xid, struct cifsTconInfo *tcon,
 224                         const char *fileName, const FILE_BASIC_INFO *data,
 225                         const struct nls_table *nls_codepage,
 226                         int remap_special_chars);
 227 extern int CIFSSMBSetFileInfo(const int xid, struct cifsTconInfo *tcon,
 228                         const FILE_BASIC_INFO *data, __u16 fid,
 229                         __u32 pid_of_opener);
 230 extern int CIFSSMBSetFileDisposition(const int xid, struct cifsTconInfo *tcon,
 231                         bool delete_file, __u16 fid, __u32 pid_of_opener);
 232 #if 0
 233 extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon,
 234                         char *fileName, __u16 dos_attributes,
 235                         const struct nls_table *nls_codepage);
 236 #endif /* possibly unneeded function */
 237 extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon,
 238                         const char *fileName, __u64 size,
 239                         bool setAllocationSizeFlag,
 240                         const struct nls_table *nls_codepage,
 241                         int remap_special_chars);
 242 extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon,
 243                          __u64 size, __u16 fileHandle, __u32 opener_pid,
 244                         bool AllocSizeFlag);
 245
 246 struct cifs_unix_set_info_args {
 247         __u64   ctime;
 248         __u64   atime;
 249         __u64   mtime;
 250         __u64   mode;
 251         __u64   uid;
 252         __u64   gid;
 253         dev_t   device;
 254 };
 255
 256 extern int CIFSSMBUnixSetFileInfo(const int xid, struct cifsTconInfo *tcon,
 257                                   const struct cifs_unix_set_info_args *args,
 258                                   u16 fid, u32 pid_of_opener);
 259
 260 extern int CIFSSMBUnixSetPathInfo(const int xid, struct cifsTconInfo *pTcon,
 261                         char *fileName,
 262                         const struct cifs_unix_set_info_args *args,
 263                         const struct nls_table *nls_codepage,
 264                         int remap_special_chars);
 265
 266 extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon,
 267                         const char *newName,
 268                         const struct nls_table *nls_codepage,
 269                         int remap_special_chars);
 270 extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon,
 271                         const char *name, const struct nls_table *nls_codepage,
 272                         int remap_special_chars);
 273 extern int CIFSPOSIXDelFile(const int xid, struct cifsTconInfo *tcon,
 274                         const char *name, __u16 type,
 275                         const struct nls_table *nls_codepage,
 276                         int remap_special_chars);
 277 extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon,
 278                         const char *name,
 279                         const struct nls_table *nls_codepage,
 280                         int remap_special_chars);
 281 extern int CIFSSMBRename(const int xid, 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 CIFSSMBRenameOpenFile(const int xid, struct cifsTconInfo *pTcon,
 286                         int netfid, const char *target_name,
 287                         const struct nls_table *nls_codepage,
 288                         int remap_special_chars);
 289 extern int CIFSCreateHardLink(const int xid,
 290                         struct cifsTconInfo *tcon,
 291                         const char *fromName, const char *toName,
 292                         const struct nls_table *nls_codepage,
 293                         int remap_special_chars);
 294 extern int CIFSUnixCreateHardLink(const int xid,
 295                         struct cifsTconInfo *tcon,
 296                         const char *fromName, const char *toName,
 297                         const struct nls_table *nls_codepage,
 298                         int remap_special_chars);
 299 extern int CIFSUnixCreateSymLink(const int xid,
 300                         struct cifsTconInfo *tcon,
 301                         const char *fromName, const char *toName,
 302                         const struct nls_table *nls_codepage);
 303 extern int CIFSSMBUnixQuerySymLink(const int xid,
 304                         struct cifsTconInfo *tcon,
 305                         const unsigned char *searchName, char **syminfo,
 306                         const struct nls_table *nls_codepage);
 307 extern int CIFSSMBQueryReparseLinkInfo(const int xid,
 308                         struct cifsTconInfo *tcon,
 309                         const unsigned char *searchName,
 310                         char *symlinkinfo, const int buflen, __u16 fid,
 311                         const struct nls_table *nls_codepage);
 312
 313 extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
 314                         const char *fileName, const int disposition,
 315                         const int access_flags, const int omode,
 316                         __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
 317                         const struct nls_table *nls_codepage, int remap);
 318 extern int SMBLegacyOpen(const int xid, struct cifsTconInfo *tcon,
 319                         const char *fileName, const int disposition,
 320                         const int access_flags, const int omode,
 321                         __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
 322                         const struct nls_table *nls_codepage, int remap);
 323 extern int CIFSPOSIXCreate(const int xid, struct cifsTconInfo *tcon,
 324                         u32 posix_flags, __u64 mode, __u16 *netfid,
 325                         FILE_UNIX_BASIC_INFO *pRetData,
 326                         __u32 *pOplock, const char *name,
 327                         const struct nls_table *nls_codepage, int remap);
 328 extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon,
 329                         const int smb_file_id);
 330
 331 extern int CIFSSMBFlush(const int xid, struct cifsTconInfo *tcon,
 332                         const int smb_file_id);
 333
 334 extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
 335                         const int netfid, unsigned int count,
 336                         const __u64 lseek, unsigned int *nbytes, char **buf,
 337                         int *return_buf_type);
 338 extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
 339                         const int netfid, const unsigned int count,
 340                         const __u64 lseek, unsigned int *nbytes,
 341                         const char *buf, const char __user *ubuf,
 342                         const int long_op);
 343 extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
 344                         const int netfid, const unsigned int count,
 345                         const __u64 offset, unsigned int *nbytes,
 346                         struct kvec *iov, const int nvec, const int long_op);
 347 extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
 348                         const unsigned char *searchName, __u64 *inode_number,
 349                         const struct nls_table *nls_codepage,
 350                         int remap_special_chars);
 351 extern int cifsConvertToUCS(__le16 *target, const char *source, int maxlen,
 352                         const struct nls_table *cp, int mapChars);
 353
 354 extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
 355                         const __u16 netfid, const __u64 len,
 356                         const __u64 offset, const __u32 numUnlock,
 357                         const __u32 numLock, const __u8 lockType,
 358                         const bool waitFlag, const __u8 oplock_level);
 359 extern int CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon,
 360                         const __u16 smb_file_id, const int get_flag,
 361                         const __u64 len, struct file_lock *,
 362                         const __u16 lock_type, const bool waitFlag);
 363 extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon);
 364 extern int CIFSSMBEcho(struct TCP_Server_Info *server);
 365 extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses);
 366
 367 extern struct cifsSesInfo *sesInfoAlloc(void);
 368 extern void sesInfoFree(struct cifsSesInfo *);
 369 extern struct cifsTconInfo *tconInfoAlloc(void);
 370 extern void tconInfoFree(struct cifsTconInfo *);
 371
 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 smb_hdr *,
 376                                  struct TCP_Server_Info *server,
 377                                 __u32 expected_sequence_number);
 378 extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *);
 379 extern int setup_ntlm_response(struct cifsSesInfo *);
 380 extern int setup_ntlmv2_rsp(struct cifsSesInfo *, const struct nls_table *);
 381 extern int cifs_crypto_shash_allocate(struct TCP_Server_Info *);
 382 extern void cifs_crypto_shash_release(struct TCP_Server_Info *);
 383 extern int calc_seckey(struct cifsSesInfo *);
 384
 385 #ifdef CONFIG_CIFS_WEAK_PW_HASH
 386 extern void calc_lanman_hash(const char *password, const char *cryptkey,
 387                                 bool encrypt, char *lnm_session_key);
 388 #endif /* CIFS_WEAK_PW_HASH */
 389 extern int CIFSSMBCopy(int xid,
 390                         struct cifsTconInfo *source_tcon,
 391                         const char *fromName,
 392                         const __u16 target_tid,
 393                         const char *toName, const int flags,
 394                         const struct nls_table *nls_codepage,
 395                         int remap_special_chars);
 396 extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
 397                         const int notify_subdirs, const __u16 netfid,
 398                         __u32 filter, struct file *file, int multishot,
 399                         const struct nls_table *nls_codepage);
 400 extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
 401                         const unsigned char *searchName,
 402                         const unsigned char *ea_name, char *EAData,
 403                         size_t bufsize, const struct nls_table *nls_codepage,
 404                         int remap_special_chars);
 405 extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon,
 406                 const char *fileName, const char *ea_name,
 407                 const void *ea_value, const __u16 ea_value_len,
 408                 const struct nls_table *nls_codepage, int remap_special_chars);
 409 extern int CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon,
 410                         __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
 411 extern int CIFSSMBSetCIFSACL(const int, struct cifsTconInfo *, __u16,
 412                         struct cifs_ntsd *, __u32);
 413 extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon,
 414                 const unsigned char *searchName,
 415                 char *acl_inf, const int buflen, const int acl_type,
 416                 const struct nls_table *nls_codepage, int remap_special_chars);
 417 extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon,
 418                 const unsigned char *fileName,
 419                 const char *local_acl, const int buflen, const int acl_type,
 420                 const struct nls_table *nls_codepage, int remap_special_chars);
 421 extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon,
 422                         const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
 423 extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
 424 extern bool CIFSCouldBeMFSymlink(const struct cifs_fattr *fattr);
 425 extern int CIFSCheckMFSymlink(struct cifs_fattr *fattr,
 426                 const unsigned char *path,
 427                 struct cifs_sb_info *cifs_sb, int xid);
 428 extern int mdfour(unsigned char *, unsigned char *, int);
 429 extern int E_md4hash(const unsigned char *passwd, unsigned char *p16);
 430 extern void SMBencrypt(unsigned char *passwd, const unsigned char *c8,
 431                         unsigned char *p24);
 432 extern void E_P16(unsigned char *p14, unsigned char *p16);
 433 extern void E_P24(unsigned char *p21, const unsigned char *c8,
 434                         unsigned char *p24);
 435 #endif                  /* _CIFSPROTO_H */