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        cifs_dbg(FYI, "CIFS VFS: in %s as Xid: %u with uid: %d\n",      \
  49                 __func__, __xid,                                       \
  50                 from_kuid(&init_user_ns, current_fsuid()));            \
  51        __xid;                                                  \
  52})
  53
  54#define free_xid(curr_xid)                                      \
  55do {                                                            \
  56        _free_xid(curr_xid);                                    \
  57        cifs_dbg(FYI, "CIFS VFS: leaving %s (xid = %u) rc = %d\n",      \
  58                 __func__, curr_xid, (int)rc);                          \
  59} while (0)
  60extern int init_cifs_idmap(void);
  61extern void exit_cifs_idmap(void);
  62extern char *build_path_from_dentry(struct dentry *);
  63extern char *cifs_build_path_to_root(struct smb_vol *vol,
  64                                     struct cifs_sb_info *cifs_sb,
  65                                     struct cifs_tcon *tcon);
  66extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
  67extern char *cifs_compose_mount_options(const char *sb_mountdata,
  68                const char *fullpath, const struct dfs_info3_param *ref,
  69                char **devname);
  70/* extern void renew_parental_timestamps(struct dentry *direntry);*/
  71extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer,
  72                                        struct TCP_Server_Info *server);
  73extern void DeleteMidQEntry(struct mid_q_entry *midEntry);
  74extern void cifs_delete_mid(struct mid_q_entry *mid);
  75extern void cifs_wake_up_task(struct mid_q_entry *mid);
  76extern int cifs_call_async(struct TCP_Server_Info *server,
  77                        struct smb_rqst *rqst,
  78                        mid_receive_t *receive, mid_callback_t *callback,
  79                        void *cbdata, const int flags);
  80extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *,
  81                        struct smb_hdr * /* input */ ,
  82                        struct smb_hdr * /* out */ ,
  83                        int * /* bytes returned */ , const int);
  84extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses,
  85                            char *in_buf, int flags);
  86extern struct mid_q_entry *cifs_setup_request(struct cifs_ses *,
  87                                struct smb_rqst *);
  88extern struct mid_q_entry *cifs_setup_async_request(struct TCP_Server_Info *,
  89                                                struct smb_rqst *);
  90extern int cifs_check_receive(struct mid_q_entry *mid,
  91                        struct TCP_Server_Info *server, bool log_error);
  92extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *,
  93                        struct kvec *, int /* nvec to send */,
  94                        int * /* type of buf returned */ , const int flags);
  95extern int SendReceiveBlockingLock(const unsigned int xid,
  96                        struct cifs_tcon *ptcon,
  97                        struct smb_hdr *in_buf ,
  98                        struct smb_hdr *out_buf,
  99                        int *bytes_returned);
 100extern int cifs_reconnect(struct TCP_Server_Info *server);
 101extern int checkSMB(char *buf, unsigned int length);
 102extern bool is_valid_oplock_break(char *, struct TCP_Server_Info *);
 103extern bool backup_cred(struct cifs_sb_info *);
 104extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
 105extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset,
 106                            unsigned int bytes_written);
 107extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, bool);
 108extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
 109extern unsigned int smbCalcSize(void *buf);
 110extern int decode_negTokenInit(unsigned char *security_blob, int length,
 111                        struct TCP_Server_Info *server);
 112extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len);
 113extern void cifs_set_port(struct sockaddr *addr, const unsigned short int port);
 114extern int map_smb_to_linux_error(char *buf, bool logErr);
 115extern void header_assemble(struct smb_hdr *, char /* command */ ,
 116                            const struct cifs_tcon *, int /* length of
 117                            fixed section (word count) in two byte units */);
 118extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
 119                                struct cifs_ses *ses,
 120                                void **request_buf);
 121extern enum securityEnum select_sectype(struct TCP_Server_Info *server,
 122                                enum securityEnum requested);
 123extern int CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses,
 124                          const struct nls_table *nls_cp);
 125extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
 126extern u64 cifs_UnixTimeToNT(struct timespec);
 127extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
 128                                      int offset);
 129extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
 130extern int cifs_unlock_range(struct cifsFileInfo *cfile,
 131                             struct file_lock *flock, const unsigned int xid);
 132extern int cifs_push_mandatory_locks(struct cifsFileInfo *cfile);
 133
 134extern struct cifsFileInfo *cifs_new_fileinfo(struct cifs_fid *fid,
 135                                              struct file *file,
 136                                              struct tcon_link *tlink,
 137                                              __u32 oplock);
 138extern int cifs_posix_open(char *full_path, struct inode **inode,
 139                           struct super_block *sb, int mode,
 140                           unsigned int f_flags, __u32 *oplock, __u16 *netfid,
 141                           unsigned int xid);
 142void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr);
 143extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
 144                                     FILE_UNIX_BASIC_INFO *info,
 145                                     struct cifs_sb_info *cifs_sb);
 146extern void cifs_dir_info_to_fattr(struct cifs_fattr *, FILE_DIRECTORY_INFO *,
 147                                        struct cifs_sb_info *);
 148extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
 149extern struct inode *cifs_iget(struct super_block *sb,
 150                               struct cifs_fattr *fattr);
 151
 152extern int cifs_get_inode_info(struct inode **inode, const char *full_path,
 153                               FILE_ALL_INFO *data, struct super_block *sb,
 154                               int xid, const __u16 *fid);
 155extern int cifs_get_inode_info_unix(struct inode **pinode,
 156                        const unsigned char *search_path,
 157                        struct super_block *sb, unsigned int xid);
 158extern int cifs_set_file_info(struct inode *inode, struct iattr *attrs,
 159                              unsigned int xid, char *full_path, __u32 dosattr);
 160extern int cifs_rename_pending_delete(const char *full_path,
 161                                      struct dentry *dentry,
 162                                      const unsigned int xid);
 163extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
 164                              struct cifs_fattr *fattr, struct inode *inode,
 165                              const char *path, const __u16 *pfid);
 166extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64,
 167                                        kuid_t, kgid_t);
 168extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *,
 169                                        const char *, u32 *);
 170extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *,
 171                                const char *, int);
 172
 173extern void dequeue_mid(struct mid_q_entry *mid, bool malformed);
 174extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf,
 175                     unsigned int to_read);
 176extern int cifs_readv_from_socket(struct TCP_Server_Info *server,
 177                struct kvec *iov_orig, unsigned int nr_segs,
 178                unsigned int to_read);
 179extern void cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
 180                               struct cifs_sb_info *cifs_sb);
 181extern int cifs_match_super(struct super_block *, void *);
 182extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info);
 183extern struct smb_vol *cifs_get_volume_info(char *mount_data,
 184                                            const char *devname);
 185extern int cifs_mount(struct cifs_sb_info *, struct smb_vol *);
 186extern void cifs_umount(struct cifs_sb_info *);
 187extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon);
 188extern bool cifs_find_lock_conflict(struct cifsFileInfo *cfile, __u64 offset,
 189                                    __u64 length, __u8 type,
 190                                    struct cifsLockInfo **conf_lock,
 191                                    int rw_check);
 192extern void cifs_add_pending_open(struct cifs_fid *fid,
 193                                  struct tcon_link *tlink,
 194                                  struct cifs_pending_open *open);
 195extern void cifs_add_pending_open_locked(struct cifs_fid *fid,
 196                                         struct tcon_link *tlink,
 197                                         struct cifs_pending_open *open);
 198extern void cifs_del_pending_open(struct cifs_pending_open *open);
 199
 200#if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL)
 201extern void cifs_dfs_release_automount_timer(void);
 202#else /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
 203#define cifs_dfs_release_automount_timer()      do { } while (0)
 204#endif /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
 205
 206void cifs_proc_init(void);
 207void cifs_proc_clean(void);
 208
 209extern void cifs_move_llist(struct list_head *source, struct list_head *dest);
 210extern void cifs_free_llist(struct list_head *llist);
 211extern void cifs_del_lock_waiters(struct cifsLockInfo *lock);
 212
 213extern int cifs_negotiate_protocol(const unsigned int xid,
 214                                   struct cifs_ses *ses);
 215extern int cifs_setup_session(const unsigned int xid, struct cifs_ses *ses,
 216                              struct nls_table *nls_info);
 217extern int cifs_enable_signing(struct TCP_Server_Info *server, bool mnt_sign_required);
 218extern int CIFSSMBNegotiate(const unsigned int xid, struct cifs_ses *ses);
 219
 220extern int CIFSTCon(const unsigned int xid, struct cifs_ses *ses,
 221                    const char *tree, struct cifs_tcon *tcon,
 222                    const struct nls_table *);
 223
 224extern int CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon,
 225                const char *searchName, struct cifs_sb_info *cifs_sb,
 226                __u16 *searchHandle, __u16 search_flags,
 227                struct cifs_search_info *psrch_inf,
 228                bool msearch);
 229
 230extern int CIFSFindNext(const unsigned int xid, struct cifs_tcon *tcon,
 231                __u16 searchHandle, __u16 search_flags,
 232                struct cifs_search_info *psrch_inf);
 233
 234extern int CIFSFindClose(const unsigned int xid, struct cifs_tcon *tcon,
 235                        const __u16 search_handle);
 236
 237extern int CIFSSMBQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
 238                        u16 netfid, FILE_ALL_INFO *pFindData);
 239extern int CIFSSMBQPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
 240                            const char *search_Name, FILE_ALL_INFO *data,
 241                            int legacy /* whether to use old info level */,
 242                            const struct nls_table *nls_codepage, int remap);
 243extern int SMBQueryInformation(const unsigned int xid, struct cifs_tcon *tcon,
 244                               const char *search_name, FILE_ALL_INFO *data,
 245                               const struct nls_table *nls_codepage, int remap);
 246
 247extern int CIFSSMBUnixQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
 248                        u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
 249extern int CIFSSMBUnixQPathInfo(const unsigned int xid,
 250                        struct cifs_tcon *tcon,
 251                        const unsigned char *searchName,
 252                        FILE_UNIX_BASIC_INFO *pFindData,
 253                        const struct nls_table *nls_codepage, int remap);
 254
 255extern int CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses,
 256                           const char *search_name,
 257                           struct dfs_info3_param **target_nodes,
 258                           unsigned int *num_of_nodes,
 259                           const struct nls_table *nls_codepage, int remap);
 260
 261extern int get_dfs_path(const unsigned int xid, struct cifs_ses *ses,
 262                        const char *old_path,
 263                        const struct nls_table *nls_codepage,
 264                        unsigned int *num_referrals,
 265                        struct dfs_info3_param **referrals, int remap);
 266extern void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon,
 267                                 struct cifs_sb_info *cifs_sb,
 268                                 struct smb_vol *vol);
 269extern int CIFSSMBQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
 270                        struct kstatfs *FSData);
 271extern int SMBOldQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
 272                        struct kstatfs *FSData);
 273extern int CIFSSMBSetFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon,
 274                        __u64 cap);
 275
 276extern int CIFSSMBQFSAttributeInfo(const unsigned int xid,
 277                        struct cifs_tcon *tcon);
 278extern int CIFSSMBQFSDeviceInfo(const unsigned int xid, struct cifs_tcon *tcon);
 279extern int CIFSSMBQFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon);
 280extern int CIFSSMBQFSPosixInfo(const unsigned int xid, struct cifs_tcon *tcon,
 281                        struct kstatfs *FSData);
 282
 283extern int CIFSSMBSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
 284                        const char *fileName, const FILE_BASIC_INFO *data,
 285                        const struct nls_table *nls_codepage,
 286                        int remap_special_chars);
 287extern int CIFSSMBSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
 288                        const FILE_BASIC_INFO *data, __u16 fid,
 289                        __u32 pid_of_opener);
 290extern int CIFSSMBSetFileDisposition(const unsigned int xid,
 291                                     struct cifs_tcon *tcon,
 292                                     bool delete_file, __u16 fid,
 293                                     __u32 pid_of_opener);
 294#if 0
 295extern int CIFSSMBSetAttrLegacy(unsigned int xid, struct cifs_tcon *tcon,
 296                        char *fileName, __u16 dos_attributes,
 297                        const struct nls_table *nls_codepage);
 298#endif /* possibly unneeded function */
 299extern int CIFSSMBSetEOF(const unsigned int xid, struct cifs_tcon *tcon,
 300                         const char *file_name, __u64 size,
 301                         struct cifs_sb_info *cifs_sb, bool set_allocation);
 302extern int CIFSSMBSetFileSize(const unsigned int xid, struct cifs_tcon *tcon,
 303                              struct cifsFileInfo *cfile, __u64 size,
 304                              bool set_allocation);
 305
 306struct cifs_unix_set_info_args {
 307        __u64   ctime;
 308        __u64   atime;
 309        __u64   mtime;
 310        __u64   mode;
 311        kuid_t  uid;
 312        kgid_t  gid;
 313        dev_t   device;
 314};
 315
 316extern int CIFSSMBUnixSetFileInfo(const unsigned int xid,
 317                                  struct cifs_tcon *tcon,
 318                                  const struct cifs_unix_set_info_args *args,
 319                                  u16 fid, u32 pid_of_opener);
 320
 321extern int CIFSSMBUnixSetPathInfo(const unsigned int xid,
 322                                  struct cifs_tcon *tcon, const char *file_name,
 323                                  const struct cifs_unix_set_info_args *args,
 324                                  const struct nls_table *nls_codepage,
 325                                  int remap);
 326
 327extern int CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon,
 328                        const char *name, struct cifs_sb_info *cifs_sb);
 329extern int CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon,
 330                        const char *name, struct cifs_sb_info *cifs_sb);
 331extern int CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon,
 332                        const char *name, __u16 type,
 333                        const struct nls_table *nls_codepage,
 334                        int remap_special_chars);
 335extern int CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon,
 336                          const char *name, struct cifs_sb_info *cifs_sb);
 337extern int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon,
 338                         const char *from_name, const char *to_name,
 339                         struct cifs_sb_info *cifs_sb);
 340extern int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *tcon,
 341                                 int netfid, const char *target_name,
 342                                 const struct nls_table *nls_codepage,
 343                                 int remap_special_chars);
 344extern int CIFSCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon,
 345                              const char *from_name, const char *to_name,
 346                              struct cifs_sb_info *cifs_sb);
 347extern int CIFSUnixCreateHardLink(const unsigned int xid,
 348                        struct cifs_tcon *tcon,
 349                        const char *fromName, const char *toName,
 350                        const struct nls_table *nls_codepage,
 351                        int remap_special_chars);
 352extern int CIFSUnixCreateSymLink(const unsigned int xid,
 353                        struct cifs_tcon *tcon,
 354                        const char *fromName, const char *toName,
 355                        const struct nls_table *nls_codepage);
 356extern int CIFSSMBUnixQuerySymLink(const unsigned int xid,
 357                        struct cifs_tcon *tcon,
 358                        const unsigned char *searchName, char **syminfo,
 359                        const struct nls_table *nls_codepage);
 360#ifdef CONFIG_CIFS_SYMLINK_EXPERIMENTAL
 361extern int CIFSSMBQueryReparseLinkInfo(const unsigned int xid,
 362                        struct cifs_tcon *tcon,
 363                        const unsigned char *searchName,
 364                        char *symlinkinfo, const int buflen, __u16 fid,
 365                        const struct nls_table *nls_codepage);
 366#endif /* temporarily unused until cifs_symlink fixed */
 367extern int CIFSSMBOpen(const unsigned int xid, struct cifs_tcon *tcon,
 368                        const char *fileName, const int disposition,
 369                        const int access_flags, const int omode,
 370                        __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
 371                        const struct nls_table *nls_codepage, int remap);
 372extern int SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon,
 373                        const char *fileName, const int disposition,
 374                        const int access_flags, const int omode,
 375                        __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
 376                        const struct nls_table *nls_codepage, int remap);
 377extern int CIFSPOSIXCreate(const unsigned int xid, struct cifs_tcon *tcon,
 378                        u32 posix_flags, __u64 mode, __u16 *netfid,
 379                        FILE_UNIX_BASIC_INFO *pRetData,
 380                        __u32 *pOplock, const char *name,
 381                        const struct nls_table *nls_codepage, int remap);
 382extern int CIFSSMBClose(const unsigned int xid, struct cifs_tcon *tcon,
 383                        const int smb_file_id);
 384
 385extern int CIFSSMBFlush(const unsigned int xid, struct cifs_tcon *tcon,
 386                        const int smb_file_id);
 387
 388extern int CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms,
 389                        unsigned int *nbytes, char **buf,
 390                        int *return_buf_type);
 391extern int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms,
 392                        unsigned int *nbytes, const char *buf,
 393                        const char __user *ubuf, const int long_op);
 394extern int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms,
 395                        unsigned int *nbytes, struct kvec *iov, const int nvec);
 396extern int CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon,
 397                                 const char *search_name, __u64 *inode_number,
 398                                 const struct nls_table *nls_codepage,
 399                                 int remap);
 400
 401extern int cifs_lockv(const unsigned int xid, struct cifs_tcon *tcon,
 402                      const __u16 netfid, const __u8 lock_type,
 403                      const __u32 num_unlock, const __u32 num_lock,
 404                      LOCKING_ANDX_RANGE *buf);
 405extern int CIFSSMBLock(const unsigned int xid, struct cifs_tcon *tcon,
 406                        const __u16 netfid, const __u32 netpid, const __u64 len,
 407                        const __u64 offset, const __u32 numUnlock,
 408                        const __u32 numLock, const __u8 lockType,
 409                        const bool waitFlag, const __u8 oplock_level);
 410extern int CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon,
 411                        const __u16 smb_file_id, const __u32 netpid,
 412                        const loff_t start_offset, const __u64 len,
 413                        struct file_lock *, const __u16 lock_type,
 414                        const bool waitFlag);
 415extern int CIFSSMBTDis(const unsigned int xid, struct cifs_tcon *tcon);
 416extern int CIFSSMBEcho(struct TCP_Server_Info *server);
 417extern int CIFSSMBLogoff(const unsigned int xid, struct cifs_ses *ses);
 418
 419extern struct cifs_ses *sesInfoAlloc(void);
 420extern void sesInfoFree(struct cifs_ses *);
 421extern struct cifs_tcon *tconInfoAlloc(void);
 422extern void tconInfoFree(struct cifs_tcon *);
 423
 424extern int cifs_sign_rqst(struct smb_rqst *rqst, struct TCP_Server_Info *server,
 425                   __u32 *pexpected_response_sequence_number);
 426extern int cifs_sign_smbv(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
 427                          __u32 *);
 428extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
 429extern int cifs_verify_signature(struct smb_rqst *rqst,
 430                                 struct TCP_Server_Info *server,
 431                                __u32 expected_sequence_number);
 432extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *,
 433                        const struct nls_table *);
 434extern int setup_ntlm_response(struct cifs_ses *, const struct nls_table *);
 435extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *);
 436extern void cifs_crypto_shash_release(struct TCP_Server_Info *);
 437extern int calc_seckey(struct cifs_ses *);
 438extern void generate_smb3signingkey(struct TCP_Server_Info *);
 439
 440#ifdef CONFIG_CIFS_WEAK_PW_HASH
 441extern int calc_lanman_hash(const char *password, const char *cryptkey,
 442                                bool encrypt, char *lnm_session_key);
 443#endif /* CIFS_WEAK_PW_HASH */
 444#ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */
 445extern int CIFSSMBNotify(const unsigned int xid, struct cifs_tcon *tcon,
 446                        const int notify_subdirs, const __u16 netfid,
 447                        __u32 filter, struct file *file, int multishot,
 448                        const struct nls_table *nls_codepage);
 449#endif /* was needed for dnotify, and will be needed for inotify when VFS fix */
 450extern int CIFSSMBCopy(unsigned int xid,
 451                        struct cifs_tcon *source_tcon,
 452                        const char *fromName,
 453                        const __u16 target_tid,
 454                        const char *toName, const int flags,
 455                        const struct nls_table *nls_codepage,
 456                        int remap_special_chars);
 457extern ssize_t CIFSSMBQAllEAs(const unsigned int xid, struct cifs_tcon *tcon,
 458                        const unsigned char *searchName,
 459                        const unsigned char *ea_name, char *EAData,
 460                        size_t bufsize, const struct nls_table *nls_codepage,
 461                        int remap_special_chars);
 462extern int CIFSSMBSetEA(const unsigned int xid, struct cifs_tcon *tcon,
 463                const char *fileName, const char *ea_name,
 464                const void *ea_value, const __u16 ea_value_len,
 465                const struct nls_table *nls_codepage, int remap_special_chars);
 466extern int CIFSSMBGetCIFSACL(const unsigned int xid, struct cifs_tcon *tcon,
 467                        __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
 468extern int CIFSSMBSetCIFSACL(const unsigned int, struct cifs_tcon *, __u16,
 469                        struct cifs_ntsd *, __u32, int);
 470extern int CIFSSMBGetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
 471                const unsigned char *searchName,
 472                char *acl_inf, const int buflen, const int acl_type,
 473                const struct nls_table *nls_codepage, int remap_special_chars);
 474extern int CIFSSMBSetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
 475                const unsigned char *fileName,
 476                const char *local_acl, const int buflen, const int acl_type,
 477                const struct nls_table *nls_codepage, int remap_special_chars);
 478extern int CIFSGetExtAttr(const unsigned int xid, struct cifs_tcon *tcon,
 479                        const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
 480extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
 481extern bool CIFSCouldBeMFSymlink(const struct cifs_fattr *fattr);
 482extern int CIFSCheckMFSymlink(struct cifs_fattr *fattr,
 483                const unsigned char *path,
 484                struct cifs_sb_info *cifs_sb, unsigned int xid);
 485extern int mdfour(unsigned char *, unsigned char *, int);
 486extern int E_md4hash(const unsigned char *passwd, unsigned char *p16,
 487                        const struct nls_table *codepage);
 488extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8,
 489                        unsigned char *p24);
 490
 491void cifs_readdata_release(struct kref *refcount);
 492int cifs_async_readv(struct cifs_readdata *rdata);
 493int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid);
 494
 495int cifs_async_writev(struct cifs_writedata *wdata);
 496void cifs_writev_complete(struct work_struct *work);
 497struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages,
 498                                                work_func_t complete);
 499void cifs_writedata_release(struct kref *refcount);
 500int open_query_close_cifs_symlink(const unsigned char *path, char *pbuf,
 501                        unsigned int *pbytes_read, struct cifs_sb_info *cifs_sb,
 502                        unsigned int xid);
 503#endif                  /* _CIFSPROTO_H */
 504
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