linux/fs/cifs/cifsproto.h
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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
  25struct statfs;
  26struct smb_vol;
  27struct smb_rqst;
  28
  29/*
  30 *****************************************************************
  31 * All Prototypes
  32 *****************************************************************
  33 */
  34
  35extern struct smb_hdr *cifs_buf_get(void);
  36extern void cifs_buf_release(void *);
  37extern struct smb_hdr *cifs_small_buf_get(void);
  38extern void cifs_small_buf_release(void *);
  39extern void cifs_rqst_page_to_kvec(struct smb_rqst *rqst, unsigned int idx,
  40                                        struct kvec *iov);
  41extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *,
  42                        unsigned int /* length */);
  43extern unsigned int _get_xid(void);
  44extern void _free_xid(unsigned int);
  45#define get_xid()                                               \
  46({                                                              \
  47        unsigned int __xid = _get_xid();                                \
  48        cFYI(1, "CIFS VFS: in %s as Xid: %u with uid: %d",      \
  49             __func__, __xid, current_fsuid());                 \
  50        __xid;                                                  \
  51})
  52
  53#define free_xid(curr_xid)                                      \
  54do {                                                            \
  55        _free_xid(curr_xid);                                    \
  56        cFYI(1, "CIFS VFS: leaving %s (xid = %u) rc = %d",      \
  57             __func__, curr_xid, (int)rc);                      \
  58} while (0)
  59extern int init_cifs_idmap(void);
  60extern void exit_cifs_idmap(void);
  61extern void cifs_destroy_idmaptrees(void);
  62extern char *build_path_from_dentry(struct dentry *);
  63extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
  64extern char *cifs_compose_mount_options(const char *sb_mountdata,
  65                const char *fullpath, const struct dfs_info3_param *ref,
  66                char **devname);
  67/* extern void renew_parental_timestamps(struct dentry *direntry);*/
  68extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer,
  69                                        struct TCP_Server_Info *server);
  70extern void DeleteMidQEntry(struct mid_q_entry *midEntry);
  71extern void cifs_delete_mid(struct mid_q_entry *mid);
  72extern void cifs_wake_up_task(struct mid_q_entry *mid);
  73extern int cifs_call_async(struct TCP_Server_Info *server,
  74                        struct smb_rqst *rqst,
  75                        mid_receive_t *receive, mid_callback_t *callback,
  76                        void *cbdata, const int flags);
  77extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *,
  78                        struct smb_hdr * /* input */ ,
  79                        struct smb_hdr * /* out */ ,
  80                        int * /* bytes returned */ , const int);
  81extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses,
  82                            char *in_buf, int flags);
  83extern struct mid_q_entry *cifs_setup_request(struct cifs_ses *,
  84                                struct smb_rqst *);
  85extern struct mid_q_entry *cifs_setup_async_request(struct TCP_Server_Info *,
  86                                                struct smb_rqst *);
  87extern int cifs_check_receive(struct mid_q_entry *mid,
  88                        struct TCP_Server_Info *server, bool log_error);
  89extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *,
  90                        struct kvec *, int /* nvec to send */,
  91                        int * /* type of buf returned */ , const int flags);
  92extern int SendReceiveBlockingLock(const unsigned int xid,
  93                        struct cifs_tcon *ptcon,
  94                        struct smb_hdr *in_buf ,
  95                        struct smb_hdr *out_buf,
  96                        int *bytes_returned);
  97extern int cifs_reconnect(struct TCP_Server_Info *server);
  98extern int checkSMB(char *buf, unsigned int length);
  99extern bool is_valid_oplock_break(char *, struct TCP_Server_Info *);
 100extern bool backup_cred(struct cifs_sb_info *);
 101extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
 102extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset,
 103                            unsigned int bytes_written);
 104extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, bool);
 105extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
 106extern unsigned int smbCalcSize(void *buf);
 107extern int decode_negTokenInit(unsigned char *security_blob, int length,
 108                        struct TCP_Server_Info *server);
 109extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len);
 110extern int cifs_set_port(struct sockaddr *addr, const unsigned short int port);
 111extern int cifs_fill_sockaddr(struct sockaddr *dst, const char *src, int len,
 112                                const unsigned short int port);
 113extern int map_smb_to_linux_error(char *buf, bool logErr);
 114extern void header_assemble(struct smb_hdr *, char /* command */ ,
 115                            const struct cifs_tcon *, int /* length of
 116                            fixed section (word count) in two byte units */);
 117extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
 118                                struct cifs_ses *ses,
 119                                void **request_buf);
 120extern int CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses,
 121                          const struct nls_table *nls_cp);
 122extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
 123extern u64 cifs_UnixTimeToNT(struct timespec);
 124extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
 125                                      int offset);
 126extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
 127extern int cifs_unlock_range(struct cifsFileInfo *cfile,
 128                             struct file_lock *flock, const unsigned int xid);
 129extern int cifs_push_mandatory_locks(struct cifsFileInfo *cfile);
 130
 131extern struct cifsFileInfo *cifs_new_fileinfo(struct cifs_fid *fid,
 132                                              struct file *file,
 133                                              struct tcon_link *tlink,
 134                                              __u32 oplock);
 135extern int cifs_posix_open(char *full_path, struct inode **inode,
 136                           struct super_block *sb, int mode,
 137                           unsigned int f_flags, __u32 *oplock, __u16 *netfid,
 138                           unsigned int xid);
 139void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr);
 140extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
 141                                     FILE_UNIX_BASIC_INFO *info,
 142                                     struct cifs_sb_info *cifs_sb);
 143extern void cifs_dir_info_to_fattr(struct cifs_fattr *, FILE_DIRECTORY_INFO *,
 144                                        struct cifs_sb_info *);
 145extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
 146extern struct inode *cifs_iget(struct super_block *sb,
 147                               struct cifs_fattr *fattr);
 148
 149extern int cifs_get_inode_info(struct inode **inode, const char *full_path,
 150                               FILE_ALL_INFO *data, struct super_block *sb,
 151                               int xid, const __u16 *fid);
 152extern int cifs_get_inode_info_unix(struct inode **pinode,
 153                        const unsigned char *search_path,
 154                        struct super_block *sb, unsigned int xid);
 155extern int cifs_set_file_info(struct inode *inode, struct iattr *attrs,
 156                              unsigned int xid, char *full_path, __u32 dosattr);
 157extern int cifs_rename_pending_delete(const char *full_path,
 158                                      struct dentry *dentry,
 159                                      const unsigned int xid);
 160extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
 161                              struct cifs_fattr *fattr, struct inode *inode,
 162                              const char *path, const __u16 *pfid);
 163extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64,
 164                                        uid_t, gid_t);
 165extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *,
 166                                        const char *, u32 *);
 167extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *,
 168                                const char *, int);
 169
 170extern void dequeue_mid(struct mid_q_entry *mid, bool malformed);
 171extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf,
 172                     unsigned int to_read);
 173extern int cifs_readv_from_socket(struct TCP_Server_Info *server,
 174                struct kvec *iov_orig, unsigned int nr_segs,
 175                unsigned int to_read);
 176extern void cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
 177                               struct cifs_sb_info *cifs_sb);
 178extern int cifs_match_super(struct super_block *, void *);
 179extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info);
 180extern struct smb_vol *cifs_get_volume_info(char *mount_data,
 181                                            const char *devname);
 182extern int cifs_mount(struct cifs_sb_info *, struct smb_vol *);
 183extern void cifs_umount(struct cifs_sb_info *);
 184extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon);
 185extern bool cifs_find_lock_conflict(struct cifsFileInfo *cfile, __u64 offset,
 186                                    __u64 length, __u8 type,
 187                                    struct cifsLockInfo **conf_lock,
 188                                    bool rw_check);
 189extern void cifs_add_pending_open(struct cifs_fid *fid,
 190                                  struct tcon_link *tlink,
 191                                  struct cifs_pending_open *open);
 192extern void cifs_add_pending_open_locked(struct cifs_fid *fid,
 193                                         struct tcon_link *tlink,
 194                                         struct cifs_pending_open *open);
 195extern void cifs_del_pending_open(struct cifs_pending_open *open);
 196
 197#if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL)
 198extern void cifs_dfs_release_automount_timer(void);
 199#else /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
 200#define cifs_dfs_release_automount_timer()      do { } while (0)
 201#endif /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
 202
 203void cifs_proc_init(void);
 204void cifs_proc_clean(void);
 205
 206extern void cifs_move_llist(struct list_head *source, struct list_head *dest);
 207extern void cifs_free_llist(struct list_head *llist);
 208extern void cifs_del_lock_waiters(struct cifsLockInfo *lock);
 209
 210extern int cifs_negotiate_protocol(const unsigned int xid,
 211                                   struct cifs_ses *ses);
 212extern int cifs_setup_session(const unsigned int xid, struct cifs_ses *ses,
 213                              struct nls_table *nls_info);
 214extern int CIFSSMBNegotiate(const unsigned int xid, struct cifs_ses *ses);
 215
 216extern int CIFSTCon(const unsigned int xid, struct cifs_ses *ses,
 217                    const char *tree, struct cifs_tcon *tcon,
 218                    const struct nls_table *);
 219
 220extern int CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon,
 221                const char *searchName, struct cifs_sb_info *cifs_sb,
 222                __u16 *searchHandle, __u16 search_flags,
 223                struct cifs_search_info *psrch_inf,
 224                bool msearch);
 225
 226extern int CIFSFindNext(const unsigned int xid, struct cifs_tcon *tcon,
 227                __u16 searchHandle, __u16 search_flags,
 228                struct cifs_search_info *psrch_inf);
 229
 230extern int CIFSFindClose(const unsigned int xid, struct cifs_tcon *tcon,
 231                        const __u16 search_handle);
 232
 233extern int CIFSSMBQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
 234                        u16 netfid, FILE_ALL_INFO *pFindData);
 235extern int CIFSSMBQPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
 236                            const char *search_Name, FILE_ALL_INFO *data,
 237                            int legacy /* whether to use old info level */,
 238                            const struct nls_table *nls_codepage, int remap);
 239extern int SMBQueryInformation(const unsigned int xid, struct cifs_tcon *tcon,
 240                               const char *search_name, FILE_ALL_INFO *data,
 241                               const struct nls_table *nls_codepage, int remap);
 242
 243extern int CIFSSMBUnixQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
 244                        u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
 245extern int CIFSSMBUnixQPathInfo(const unsigned int xid,
 246                        struct cifs_tcon *tcon,
 247                        const unsigned char *searchName,
 248                        FILE_UNIX_BASIC_INFO *pFindData,
 249                        const struct nls_table *nls_codepage, int remap);
 250
 251extern int CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses,
 252                           const char *search_name,
 253                           struct dfs_info3_param **target_nodes,
 254                           unsigned int *num_of_nodes,
 255                           const struct nls_table *nls_codepage, int remap);
 256
 257extern int get_dfs_path(const unsigned int xid, struct cifs_ses *ses,
 258                        const char *old_path,
 259                        const struct nls_table *nls_codepage,
 260                        unsigned int *num_referrals,
 261                        struct dfs_info3_param **referrals, int remap);
 262extern void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon,
 263                                 struct cifs_sb_info *cifs_sb,
 264                                 struct smb_vol *vol);
 265extern int CIFSSMBQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
 266                        struct kstatfs *FSData);
 267extern int SMBOldQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
 268                        struct kstatfs *FSData);
 269extern int CIFSSMBSetFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon,
 270                        __u64 cap);
 271
 272extern int CIFSSMBQFSAttributeInfo(const unsigned int xid,
 273                        struct cifs_tcon *tcon);
 274extern int CIFSSMBQFSDeviceInfo(const unsigned int xid, struct cifs_tcon *tcon);
 275extern int CIFSSMBQFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon);
 276extern int CIFSSMBQFSPosixInfo(const unsigned int xid, struct cifs_tcon *tcon,
 277                        struct kstatfs *FSData);
 278
 279extern int CIFSSMBSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
 280                        const char *fileName, const FILE_BASIC_INFO *data,
 281                        const struct nls_table *nls_codepage,
 282                        int remap_special_chars);
 283extern int CIFSSMBSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
 284                        const FILE_BASIC_INFO *data, __u16 fid,
 285                        __u32 pid_of_opener);
 286extern int CIFSSMBSetFileDisposition(const unsigned int xid,
 287                                     struct cifs_tcon *tcon,
 288                                     bool delete_file, __u16 fid,
 289                                     __u32 pid_of_opener);
 290#if 0
 291extern int CIFSSMBSetAttrLegacy(unsigned int xid, struct cifs_tcon *tcon,
 292                        char *fileName, __u16 dos_attributes,
 293                        const struct nls_table *nls_codepage);
 294#endif /* possibly unneeded function */
 295extern int CIFSSMBSetEOF(const unsigned int xid, struct cifs_tcon *tcon,
 296                         const char *file_name, __u64 size,
 297                         struct cifs_sb_info *cifs_sb, bool set_allocation);
 298extern int CIFSSMBSetFileSize(const unsigned int xid, struct cifs_tcon *tcon,
 299                              struct cifsFileInfo *cfile, __u64 size,
 300                              bool set_allocation);
 301
 302struct cifs_unix_set_info_args {
 303        __u64   ctime;
 304        __u64   atime;
 305        __u64   mtime;
 306        __u64   mode;
 307        __u64   uid;
 308        __u64   gid;
 309        dev_t   device;
 310};
 311
 312extern int CIFSSMBUnixSetFileInfo(const unsigned int xid,
 313                                  struct cifs_tcon *tcon,
 314                                  const struct cifs_unix_set_info_args *args,
 315                                  u16 fid, u32 pid_of_opener);
 316
 317extern int CIFSSMBUnixSetPathInfo(const unsigned int xid,
 318                                  struct cifs_tcon *tcon, const char *file_name,
 319                                  const struct cifs_unix_set_info_args *args,
 320                                  const struct nls_table *nls_codepage,
 321                                  int remap);
 322
 323extern int CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon,
 324                        const char *name, struct cifs_sb_info *cifs_sb);
 325extern int CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon,
 326                        const char *name, struct cifs_sb_info *cifs_sb);
 327extern int CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon,
 328                        const char *name, __u16 type,
 329                        const struct nls_table *nls_codepage,
 330                        int remap_special_chars);
 331extern int CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon,
 332                          const char *name, struct cifs_sb_info *cifs_sb);
 333extern int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon,
 334                         const char *from_name, const char *to_name,
 335                         struct cifs_sb_info *cifs_sb);
 336extern int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *tcon,
 337                                 int netfid, const char *target_name,
 338                                 const struct nls_table *nls_codepage,
 339                                 int remap_special_chars);
 340extern int CIFSCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon,
 341                              const char *from_name, const char *to_name,
 342                              struct cifs_sb_info *cifs_sb);
 343extern int CIFSUnixCreateHardLink(const unsigned int xid,
 344                        struct cifs_tcon *tcon,
 345                        const char *fromName, const char *toName,
 346                        const struct nls_table *nls_codepage,
 347                        int remap_special_chars);
 348extern int CIFSUnixCreateSymLink(const unsigned int xid,
 349                        struct cifs_tcon *tcon,
 350                        const char *fromName, const char *toName,
 351                        const struct nls_table *nls_codepage);
 352extern int CIFSSMBUnixQuerySymLink(const unsigned int xid,
 353                        struct cifs_tcon *tcon,
 354                        const unsigned char *searchName, char **syminfo,
 355                        const struct nls_table *nls_codepage);
 356#ifdef CONFIG_CIFS_SYMLINK_EXPERIMENTAL
 357extern int CIFSSMBQueryReparseLinkInfo(const unsigned int xid,
 358                        struct cifs_tcon *tcon,
 359                        const unsigned char *searchName,
 360                        char *symlinkinfo, const int buflen, __u16 fid,
 361                        const struct nls_table *nls_codepage);
 362#endif /* temporarily unused until cifs_symlink fixed */
 363extern int CIFSSMBOpen(const unsigned int xid, struct cifs_tcon *tcon,
 364                        const char *fileName, const int disposition,
 365                        const int access_flags, const int omode,
 366                        __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
 367                        const struct nls_table *nls_codepage, int remap);
 368extern int SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon,
 369                        const char *fileName, const int disposition,
 370                        const int access_flags, const int omode,
 371                        __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
 372                        const struct nls_table *nls_codepage, int remap);
 373extern int CIFSPOSIXCreate(const unsigned int xid, struct cifs_tcon *tcon,
 374                        u32 posix_flags, __u64 mode, __u16 *netfid,
 375                        FILE_UNIX_BASIC_INFO *pRetData,
 376                        __u32 *pOplock, const char *name,
 377                        const struct nls_table *nls_codepage, int remap);
 378extern int CIFSSMBClose(const unsigned int xid, struct cifs_tcon *tcon,
 379                        const int smb_file_id);
 380
 381extern int CIFSSMBFlush(const unsigned int xid, struct cifs_tcon *tcon,
 382                        const int smb_file_id);
 383
 384extern int CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms,
 385                        unsigned int *nbytes, char **buf,
 386                        int *return_buf_type);
 387extern int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms,
 388                        unsigned int *nbytes, const char *buf,
 389                        const char __user *ubuf, const int long_op);
 390extern int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms,
 391                        unsigned int *nbytes, struct kvec *iov, const int nvec);
 392extern int CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon,
 393                                 const char *search_name, __u64 *inode_number,
 394                                 const struct nls_table *nls_codepage,
 395                                 int remap);
 396
 397extern int cifs_lockv(const unsigned int xid, struct cifs_tcon *tcon,
 398                      const __u16 netfid, const __u8 lock_type,
 399                      const __u32 num_unlock, const __u32 num_lock,
 400                      LOCKING_ANDX_RANGE *buf);
 401extern int CIFSSMBLock(const unsigned int xid, struct cifs_tcon *tcon,
 402                        const __u16 netfid, const __u32 netpid, const __u64 len,
 403                        const __u64 offset, const __u32 numUnlock,
 404                        const __u32 numLock, const __u8 lockType,
 405                        const bool waitFlag, const __u8 oplock_level);
 406extern int CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon,
 407                        const __u16 smb_file_id, const __u32 netpid,
 408                        const loff_t start_offset, const __u64 len,
 409                        struct file_lock *, const __u16 lock_type,
 410                        const bool waitFlag);
 411extern int CIFSSMBTDis(const unsigned int xid, struct cifs_tcon *tcon);
 412extern int CIFSSMBEcho(struct TCP_Server_Info *server);
 413extern int CIFSSMBLogoff(const unsigned int xid, struct cifs_ses *ses);
 414
 415extern struct cifs_ses *sesInfoAlloc(void);
 416extern void sesInfoFree(struct cifs_ses *);
 417extern struct cifs_tcon *tconInfoAlloc(void);
 418extern void tconInfoFree(struct cifs_tcon *);
 419
 420extern int cifs_sign_rqst(struct smb_rqst *rqst, struct TCP_Server_Info *server,
 421                   __u32 *pexpected_response_sequence_number);
 422extern int cifs_sign_smbv(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
 423                          __u32 *);
 424extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
 425extern int cifs_verify_signature(struct smb_rqst *rqst,
 426                                 struct TCP_Server_Info *server,
 427                                __u32 expected_sequence_number);
 428extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *,
 429                        const struct nls_table *);
 430extern int setup_ntlm_response(struct cifs_ses *, const struct nls_table *);
 431extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *);
 432extern int cifs_crypto_shash_allocate(struct TCP_Server_Info *);
 433extern void cifs_crypto_shash_release(struct TCP_Server_Info *);
 434extern int calc_seckey(struct cifs_ses *);
 435
 436#ifdef CONFIG_CIFS_WEAK_PW_HASH
 437extern int calc_lanman_hash(const char *password, const char *cryptkey,
 438                                bool encrypt, char *lnm_session_key);
 439#endif /* CIFS_WEAK_PW_HASH */
 440#ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */
 441extern int CIFSSMBNotify(const unsigned int xid, struct cifs_tcon *tcon,
 442                        const int notify_subdirs, const __u16 netfid,
 443                        __u32 filter, struct file *file, int multishot,
 444                        const struct nls_table *nls_codepage);
 445#endif /* was needed for dnotify, and will be needed for inotify when VFS fix */
 446extern int CIFSSMBCopy(unsigned int xid,
 447                        struct cifs_tcon *source_tcon,
 448                        const char *fromName,
 449                        const __u16 target_tid,
 450                        const char *toName, const int flags,
 451                        const struct nls_table *nls_codepage,
 452                        int remap_special_chars);
 453extern ssize_t CIFSSMBQAllEAs(const unsigned int xid, struct cifs_tcon *tcon,
 454                        const unsigned char *searchName,
 455                        const unsigned char *ea_name, char *EAData,
 456                        size_t bufsize, const struct nls_table *nls_codepage,
 457                        int remap_special_chars);
 458extern int CIFSSMBSetEA(const unsigned int xid, struct cifs_tcon *tcon,
 459                const char *fileName, const char *ea_name,
 460                const void *ea_value, const __u16 ea_value_len,
 461                const struct nls_table *nls_codepage, int remap_special_chars);
 462extern int CIFSSMBGetCIFSACL(const unsigned int xid, struct cifs_tcon *tcon,
 463                        __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
 464extern int CIFSSMBSetCIFSACL(const unsigned int, struct cifs_tcon *, __u16,
 465                        struct cifs_ntsd *, __u32, int);
 466extern int CIFSSMBGetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
 467                const unsigned char *searchName,
 468                char *acl_inf, const int buflen, const int acl_type,
 469                const struct nls_table *nls_codepage, int remap_special_chars);
 470extern int CIFSSMBSetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
 471                const unsigned char *fileName,
 472                const char *local_acl, const int buflen, const int acl_type,
 473                const struct nls_table *nls_codepage, int remap_special_chars);
 474extern int CIFSGetExtAttr(const unsigned int xid, struct cifs_tcon *tcon,
 475                        const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
 476extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
 477extern bool CIFSCouldBeMFSymlink(const struct cifs_fattr *fattr);
 478extern int CIFSCheckMFSymlink(struct cifs_fattr *fattr,
 479                const unsigned char *path,
 480                struct cifs_sb_info *cifs_sb, unsigned int xid);
 481extern int mdfour(unsigned char *, unsigned char *, int);
 482extern int E_md4hash(const unsigned char *passwd, unsigned char *p16,
 483                        const struct nls_table *codepage);
 484extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8,
 485                        unsigned char *p24);
 486
 487void cifs_readdata_release(struct kref *refcount);
 488int cifs_async_readv(struct cifs_readdata *rdata);
 489int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid);
 490
 491int cifs_async_writev(struct cifs_writedata *wdata);
 492void cifs_writev_complete(struct work_struct *work);
 493struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages,
 494                                                work_func_t complete);
 495void cifs_writedata_release(struct kref *refcount);
 496
 497#endif                  /* _CIFSPROTO_H */
 498
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