source3/include/vfs.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    VFS structures and parameters
   4    Copyright (C) Jeremy Allison                         1999-2005
   5    Copyright (C) Tim Potter                             1999
   6    Copyright (C) Alexander Bokovoy                      2002-2005
   7    Copyright (C) Stefan (metze) Metzmacher              2003
   8    Copyright (C) Volker Lendecke                        2009
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22
  23    This work was sponsored by Optifacio Software Services, Inc.
  24 */
  25
  26 #ifndef _VFS_H
  27 #define _VFS_H
  28
  29 /* Avoid conflict with an AIX include file */
  30
  31 #ifdef vfs_ops
  32 #undef vfs_ops
  33 #endif
  34
  35 /*
  36  * As we're now (thanks Andrew ! :-) using file_structs and connection
  37  * structs in the vfs - then anyone writing a vfs must include includes.h...
  38  */
  39
  40 /*
  41  * This next constant specifies the version number of the VFS interface
  42  * this smbd will load. Increment this if *ANY* changes are made to the
  43  * vfs_ops below. JRA.
  44  *
  45  * If you change anything here, please also update modules/vfs_full_audit.c.
  46  * VL.
  47  */
  48
  49 /* Changed to version 2 for CIFS UNIX extensions (mknod and link added). JRA. */
  50 /* Changed to version 3 for POSIX acl extensions. JRA. */
  51 /* Changed to version 4 for cascaded VFS interface. Alexander Bokovoy. */
  52 /* Changed to version 5 for sendfile addition. JRA. */
  53 /* Changed to version 6 for the new module system, fixed cascading and quota functions. --metze */
  54 /* Changed to version 7 to include the get_nt_acl info parameter. JRA. */
  55 /* Changed to version 8 includes EA calls. JRA. */
  56 /* Changed to version 9 to include the get_shadow_data call. --metze */
  57 /* Changed to version 10 to include pread/pwrite calls. */
  58 /* Changed to version 11 to include seekdir/telldir/rewinddir calls. JRA */
  59 /* Changed to version 12 to add mask and attributes to opendir(). JRA
  60    Also include aio calls. JRA. */
  61 /* Changed to version 13 as the internal structure of files_struct has changed. JRA */
  62 /* Changed to version 14 as we had to change DIR to SMB_STRUCT_DIR. JRA */
  63 /* Changed to version 15 as we added the statvfs call. JRA */
  64 /* Changed to version 16 as we added the getlock call. JRA */
  65 /* Changed to version 17 as we removed redundant connection_struct parameters. --jpeach */
  66 /* Changed to version 18 to add fsp parameter to the open call -- jpeach
  67    Also include kernel_flock call - jmcd */
  68 /* Changed to version 19, kernel change notify has been merged
  69    Also included linux setlease call - jmcd */
  70 /* Changed to version 20, use ntimes call instead of utime (greater
  71  * timestamp resolition. JRA. */
  72 /* Changed to version21 to add chflags operation -- jpeach */
  73 /* Changed to version22 to add lchown operation -- jra */
  74 /* Leave at 22 - not yet released. But change set_nt_acl to return an NTSTATUS. jra. */
  75 /* Leave at 22 - not yet released. Add file_id_create operation. --metze */
  76 /* Leave at 22 - not yet released. Change all BOOL parameters (int) to bool. jra. */
  77 /* Leave at 22 - not yet released. Added recvfile. */
  78 /* Leave at 22 - not yet released. Change get_nt_acl to return NTSTATUS - vl */
  79 /* Leave at 22 - not yet released. Change get_nt_acl to *not* take a
  80  * files_struct. - obnox.*/
  81 /* Leave at 22 - not yet released. Remove parameter fd from fget_nt_acl. - obnox */
  82 /* Leave at 22 - not yet released. Remove parameter fd from gset_nt_acl. - obnox */
  83 /* Leave at 22 - not yet released. Remove parameter fd from pread. - obnox */
  84 /* Leave at 22 - not yet released. Remove parameter fd from pwrite. - obnox */
  85 /* Leave at 22 - not yet released. Remove parameter fd from lseek. - obnox */
  86 /* Leave at 22 - not yet released. Remove parameter fd from fsync. - obnox */
  87 /* Leave at 22 - not yet released. Remove parameter fd from fstat. - obnox */
  88 /* Leave at 22 - not yet released. Remove parameter fd from fchmod. - obnox */
  89 /* Leave at 22 - not yet released. Remove parameter fd from fchown. - obnox */
  90 /* Leave at 22 - not yet released. Remove parameter fd from ftruncate. - obnox */
  91 /* Leave at 22 - not yet released. Remove parameter fd from lock. - obnox */
  92 /* Leave at 22 - not yet released. Remove parameter fd from kernel_flock. - obnox */
  93 /* Leave at 22 - not yet released. Remove parameter fd from linux_setlease. - obnox */
  94 /* Leave at 22 - not yet released. Remove parameter fd from getlock. - obnox */
  95 /* Leave at 22 - not yet released. Remove parameter fd from sys_acl_get_fd. - obnox */
  96 /* Leave at 22 - not yet released. Remove parameter fd from fchmod_acl. - obnox */
  97 /* Leave at 22 - not yet released. Remove parameter fd from sys_acl_set_fd. - obnox */
  98 /* Leave at 22 - not yet released. Remove parameter fd from fgetxattr. - obnox */
  99 /* Leave at 22 - not yet released. Remove parameter fd from flistxattr. - obnox */
 100 /* Leave at 22 - not yet released. Remove parameter fd from fremovexattr. - obnox */
 101 /* Leave at 22 - not yet released. Remove parameter fd from fsetxattr. - obnox */
 102 /* Leave at 22 - not yet released. Remove parameter fd from aio_cancel. - obnox */
 103 /* Leave at 22 - not yet released. Remove parameter fd from read. - obnox */
 104 /* Leave at 22 - not yet released. Remove parameter fd from write. - obnox */
 105 /* Leave at 22 - not yet released. Remove parameter fromfd from sendfile. - obnox */
 106 /* Leave at 22 - not yet released. Remove parameter fromfd from recvfile. - obnox */
 107 /* Leave at 22 - not yet released. Additional change: add operations for offline files -- ab */
 108 /* Leave at 22 - not yet released. Add the streaminfo call. -- jpeach, vl */
 109 /* Leave at 22 - not yet released. Remove parameter fd from close_fn. - obnox */
 110 /* Changed to version 23 - remove set_nt_acl call. This can only be done via an
 111    open handle. JRA. */
 112 /* Changed to version 24 - make security descriptor const in fset_nt_acl. JRA. */
 113 /* Changed to version 25 - Jelmer's change from SMB_BIG_UINT to uint64_t. */
 114 /* Leave at 25 - not yet released. Add create_file call. -- tprouty. */
 115 /* Leave at 25 - not yet released. Add create time to ntimes. -- tstecher. */
 116 /* Leave at 25 - not yet released. Add get_alloc_size call. -- tprouty. */
 117 /* Leave at 25 - not yet released. Add SMB_STRUCT_STAT to readdir. - sdann */
 118 /* Leave at 25 - not yet released. Add init_search_op call. - sdann */
 119 /* Leave at 25 - not yet released. Add locking calls. -- zkirsch. */
 120 /* Leave at 25 - not yet released. Add strict locking calls. -- drichards. */
 121 /* Changed to version 26 - Plumb struct smb_filename to SMB_VFS_CREATE_FILE,
 122                            SMB_VFS_OPEN, SMB_VFS_STAT, SMB_VFS_LSTAT,
 123                            SMB_VFS_RENAME, SMB_VFS_UNLINK, SMB_VFS_NTIMES.  */
 124 /* Changed to version 27 - not yet released. Added enum timestamp_set_resolution
 125  *                         return to fs_capabilities call. JRA. */
 126 /* Leave at 27 - not yet released. Add translate_name VFS call to convert
 127                  UNIX names to Windows supported names -- asrinivasan. */
 128 /* Changed to version 28 - Add private_flags uint32_t to CREATE call. */
 129 /* Leave at 28 - not yet released. Change realpath to assume NULL and return a
 130                  malloc'ed path. JRA. */
 131 /* Leave at 28 - not yet released. Move posix_fallocate into the VFS
 132                 where it belongs. JRA. */
 133 /* Leave at 28 - not yet released. Rename posix_fallocate to fallocate
 134                 to split out the two possible uses. JRA. */
 135 /* Leave at 28 - not yet released. Add fdopendir. JRA. */
 136 /* Leave at 28 - not yet released. Rename open function to open_fn. - gd */
 137 /* Leave at 28 - not yet released. Make getwd function always return malloced memory. JRA. */
 138 /* Bump to version 29 - Samba 3.6.0 will ship with interface version 28. */
 139 /* Leave at 29 - not yet releases. Add fsctl. Richard Sharpe */
 140 /* Leave at 29 - not yet released. add SMB_VFS_GET_DFS_REFERRAL() - metze */
 141 /* Leave at 29 - not yet released. Remove l{list,get,set,remove}xattr - abartlet */
 142 /* Leave at 29 - not yet released. move to plain off_t - abartlet */
 143 /* Leave at 29 - not yet released. Remove sys_acl functions other than set and get - abartlet */
 144 /* Leave at 29 - not yet released. Added backup_intent bool to files_struct - JRA */
 145 /* Leave at 29 - not yet released. Add durable handle functions - metze/obnox */
 146 /* Leave at 29 - not yet released. Added sys_acl_blob_get_file and sys_acl_blob_get_fd */
 147 /* Bump to version 30 - Samba 4.0.0 will ship with interface version 30 */
 148 /* Leave at 30 - not yet released. Added conn->cwd to save vfs_GetWd() calls. */
 149 /* Leave at 30 - not yet released. Changed sys_acl_blob_get_file interface to remove type */
 150 /* Bump to version 31 - Samba 4.1.0 will ship with interface version 31 */
 151 /* Leave at 31 - not yet released. Make struct vuid_cache_entry in
 152                 connection_struct a pointer. */
 153 /* Leave at 31 - not yet released. Add share_access to vuid_cache_entry. */
 154 /* Leave at 31 - not yet released. add SMB_VFS_COPY_CHUNK() */
 155 /* Leave at 31 - not yet released. Remove the unused
 156                 fsp->pending_break_messages array */
 157 /* Leave at 31 - not yet released. add SMB_VFS_[GET/SET]_COMPRESSION() */
 158
 159 /* Bump to version 32 - Samba 4.2 will ship with that. */
 160 /* Version 32 - Add "lease" to CREATE_FILE operation */
 161 /* Version 32 - Add "lease" to struct files_struct */
 162 /* Version 32 - Add SMB_VFS_READDIR_ATTR() */
 163 /* Version 32 - Add in and out create context blobs to create_file */
 164 /* Version 32 - Remove unnecessary SMB_VFS_DISK_FREE() small_query parameter */
 165 /* Bump to version 33 - Samba 4.3 will ship with that. */
 166 /* Version 33 - change fallocate mode flags param from enum->uint32_t */
 167 /* Version 33 - Add snapshot create/delete calls */
 168 /* Version 33 - Add OS X SMB2 AAPL copyfile extension flag to fsp */
 169 /* Version 33 - Remove notify_watch_fn */
 170 /* Bump to version 34 - Samba 4.4 will ship with that */
 171 /* Version 34 - Remove bool posix_open, add uint64_t posix_flags */
 172 /* Version 34 - Added bool posix_pathnames to struct smb_request */
 173 /* Bump to version 35 - Samba 4.5 will ship with that */
 174 /* Version 35 - Change get_nt_acl_fn from const char *, to
 175                 const struct smb_filename * */
 176 /* Version 35 - Change mkdir from const char *, to
 177                 const struct smb_filename * */
 178 /* Version 35 - Change rmdir from const char *, to
 179                 const struct smb_filename * */
 180 /* Version 35 - Change opendir from const char *, to
 181                 const struct smb_filename * */
 182 /* Version 35 - Wrap aio async funtions args in a struct vfs_aio_state */
 183 /* Version 35 - Change chmod from const char *, to
 184                 const struct smb_filename * */
 185 /* Version 35 - Change chmod_acl from const char *, to
 186                 const struct smb_filename * */
 187 /* Version 35 - Change chown from const char *, to
 188                 const struct smb_filename * */
 189 /* Version 35 - Change lchown from const char *, to
 190                 const struct smb_filename * */
 191 /* Version 35 - Change streaminfo from const char *, to
 192                 const struct smb_filename * */
 193 /* Version 35 - Add uint32_t flags to struct smb_filename */
 194 /* Version 35 - Add get/set/fget/fset dos attribute functions. */
 195 /* Version 35 - Add bool use_ofd_locks to struct files_struct */
 196 /* Bump to version 36 - Samba 4.6 will ship with that */
 197 /* Version 36 - Remove is_offline and set_offline */
 198 /* Version 37 - Module init functions now take a TALLOC_CTX * parameter. */
 199 /* Version 37 - Add vfs_copy_chunk_flags for DUP_EXTENTS_TO_FILE */
 200 /* Version 37 - Change sys_acl_delete_def_file from const char *
 201                 to const struct smb_filename * */
 202 /* Version 37 - Change sys_acl_get_file from const char *
 203                 to const struct smb_filename * */
 204 /* Version 37 - Change sys_acl_blob_get_file from const char *
 205                 to const struct smb_filename * */
 206 /* Version 37 - Change sys_acl_set_file from const char *
 207                 to const struct smb_filename * */
 208 /* Version 37 - Change listxattr from const char *
 209                 to const struct smb_filename * */
 210 /* Version 37 - Change removexattr from const char *
 211                 to const struct smb_filename * */
 212 /* Version 37 - Change setxattr from const char *
 213                 to const struct smb_filename * */
 214 /* Version 37 - Change getxattr from const char *
 215                 to const struct smb_filename * */
 216 /* Version 37 - Change mknod from const char * to const struct smb_filename * */
 217 /* Version 37 - Change chflags from const char *
 218                 to const struct smb_filename * */
 219 /* Version 37 - Change disk_free from const char *
 220                 to const struct smb_filename * */
 221 /* Version 37 - Change get_quota from const char *
 222                 to const struct smb_filename * */
 223 /* Version 37 - Change link from const char *
 224                 to const struct smb_filename * */
 225 /* Version 37 - Change statvfs from const char *
 226                 to const struct smb_filename * */
 227 /* Version 37 - Change readlink from const char *
 228                 to const struct smb_filename * */
 229 /* Version 37 - Change symlink from const char *
 230                 to const struct smb_filename * */
 231 /* Version 37 - Change chdir from const char *
 232                 to const struct smb_filename * */
 233 /* Version 37 - Change getwd from char *
 234                 to const struct smb_filename * */
 235 /* Version 37 - Change conn->cwd from char *
 236                 to struct smb_filename * */
 237 /* Version 37 - Change realpath from char *
 238                 to struct smb_filename * */
 239 /* Version 37 - Change connectpath from char *
 240                 to struct smb_filename * */
 241 /* Version 37 - Add SMB_VFS_OFFLOAD_READ_SEND/RECV */
 242 /* Version 37 - Rename SMB_VFS_COPY_CHUNK_SEND/RECV to
 243                 SMB_VFS_OFFLOAD_READ_SEND/RECV */
 244 /* Version 37 - Remove SMB_VFS_STRICT_UNLOCK */
 245 /* Version 37 - Rename SMB_VFS_STRICT_LOCK to
 246                 SMB_VFS_STRICT_LOCK_CHECK */
 247 /* Version 38 - Remove SMB_VFS_INIT_SEARCH_OP */
 248 /* Bump to version 39, Samba 4.9 will ship with that */
 249 /* Version 39 - Remove SMB_VFS_FSYNC
 250                 Only implement async versions. */
 251 /* Version 39 - Remove SMB_VFS_READ
 252                 All users are now pread or async versions. */
 253 /* Version 39 - Remove SMB_VFS_WRITE
 254                 All users are now pwrite or async versions. */
 255 /* Version 39 - Remove SMB_VFS_CHMOD_ACL - no longer used. */
 256 /* Version 39 - Remove SMB_VFS_FCHMOD_ACL - no longer used. */
 257 /* Version 39 - Remove struct dfree_cached_info pointer from
 258                 connection struct */
 259 /* Bump to version 40, Samba 4.10 will ship with that */
 260 /* Version 40 - Add SMB_VFS_GETXATTRAT_SEND/RECV */
 261 /* Version 40 - Add SMB_VFS_GET_DOS_ATTRIBUTES_SEND/RECV */
 262 /* Bump to version 41, Samba 4.11 will ship with that */
 263 /* Version 41 - Remove SMB_VFS_BRL_CANCEL_WINDOWS */
 264 /* Version 41 - Remove unused st_ex_mask from struct stat_ex */
 265 /* Version 41 - convert struct stat_ex.st_ex_calculated_birthtime to flags */
 266 /* Version 41 - add st_ex_itime to struct stat_ex */
 267 /* Version 41 - add st_ex_file_id to struct stat_ex */
 268
 269 #define SMB_VFS_INTERFACE_VERSION 41
 270
 271 /*
 272     All intercepted VFS operations must be declared as static functions inside module source
 273     in order to keep smbd namespace unpolluted. See source of audit, extd_audit, fake_perms and recycle
 274     example VFS modules for more details.
 275 */
 276
 277 /* VFS operations structure */
 278
 279 struct vfs_handle_struct;
 280 struct connection_struct;
 281 struct files_struct;
 282 struct security_descriptor;
 283 struct vfs_statvfs_struct;
 284 struct smb_request;
 285 struct ea_list;
 286 struct smb_file_time;
 287 struct smb_filename;
 288 struct dfs_GetDFSReferral;
 289
 290 typedef union unid_t {
 291         uid_t uid;
 292         gid_t gid;
 293 } unid_t;
 294
 295 struct fd_handle {
 296         size_t ref_count;
 297         int fd;
 298         uint64_t position_information;
 299         off_t pos;
 300         uint32_t private_options;       /* NT Create options, but we only look at
 301                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
 302                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB and
 303                                  * NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE
 304                                  * for print files *only*, where
 305                                  * DELETE_ON_CLOSE is not stored in the share
 306                                  * mode database.
 307                                  */
 308         unsigned long gen_id;
 309 };
 310
 311 struct fsp_lease {
 312         size_t ref_count;
 313         struct smbd_server_connection *sconn;
 314         struct tevent_timer *timeout;
 315         struct smb2_lease lease;
 316 };
 317
 318 typedef struct files_struct {
 319         struct files_struct *next, *prev;
 320         uint64_t fnum;
 321         struct smbXsrv_open *op;
 322         struct connection_struct *conn;
 323         struct fd_handle *fh;
 324         unsigned int num_smb_operations;
 325         struct file_id file_id;
 326         uint64_t initial_allocation_size; /* Faked up initial allocation on disk. */
 327         uint16_t file_pid;
 328         uint64_t vuid; /* SMB2 compat */
 329         struct write_cache *wcp;
 330         struct timeval open_time;
 331         uint32_t access_mask;           /* NTCreateX access bits (FILE_READ_DATA etc.) */
 332         uint32_t share_access;          /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
 333
 334         bool kernel_share_modes_taken;
 335
 336         bool update_write_time_triggered;
 337         struct tevent_timer *update_write_time_event;
 338         bool update_write_time_on_close;
 339         struct timespec close_write_time;
 340         bool write_time_forced;
 341
 342         int oplock_type;
 343         struct fsp_lease *lease;
 344         int sent_oplock_break;
 345         struct tevent_timer *oplock_timeout;
 346         struct lock_struct last_lock_failure;
 347         int current_lock_count; /* Count the number of outstanding locks and pending locks. */
 348
 349         bool can_lock;
 350         bool can_read;
 351         bool can_write;
 352         bool modified;
 353         bool is_directory;
 354         bool aio_write_behind;
 355         bool initial_delete_on_close; /* Only set at NTCreateX if file was created. */
 356         bool delete_on_close;
 357         uint64_t posix_flags;
 358         bool is_sparse;
 359         bool backup_intent; /* Handle was successfully opened with backup intent
 360                                 and opener has privilege to do so. */
 361         bool use_ofd_locks; /* Are we using open file description locks ? */
 362         struct smb_filename *fsp_name;
 363         uint32_t name_hash;             /* Jenkins hash of full pathname. */
 364         uint64_t mid;                   /* Mid of the operation that created us. */
 365
 366         struct vfs_fsp_data *vfs_extension;
 367         struct fake_file_handle *fake_file_handle;
 368
 369         struct notify_change_buf *notify;
 370
 371         struct files_struct *base_fsp; /* placeholder for delete on close */
 372
 373         /*
 374          * Read-only cached brlock record, thrown away when the
 375          * brlock.tdb seqnum changes. This avoids fetching data from
 376          * the brlock.tdb on every read/write call.
 377          */
 378         int brlock_seqnum;
 379         struct byte_range_lock *brlock_rec;
 380
 381         struct dptr_struct *dptr;
 382
 383         /* if not NULL, means this is a print file */
 384         struct print_file_data *print_file;
 385
 386         /*
 387          * Optimize the aio_requests array for high performance: Never
 388          * shrink it, maintain num_aio_requests separately
 389          */
 390         unsigned num_aio_requests;
 391         struct tevent_req **aio_requests;
 392         bool closing;
 393
 394         /*
 395          * Requests waiting for smb1 byte range locks. They are
 396          * generated by smbd_smb1_do_locks_send and are required here,
 397          * because lock cancel operations index through reply_lockingX
 398          * not based on mid but on the lock type and range.
 399          */
 400         struct tevent_req **blocked_smb1_lock_reqs;
 401
 402         /*
 403          * SMB1 remembers lock failures and delays repeated blocking
 404          * lock attempts on the same offset.
 405          */
 406         bool lock_failure_seen;
 407         uint64_t lock_failure_offset;
 408
 409         /*
 410          * If a close request comes in while we still have aio_requests
 411          * around, we need to hold back the close. When all aio_requests are
 412          * done, the aio completion routines need tevent_wait_done() on
 413          * this. A bit ugly, but before we have close_file() fully async
 414          * possibly the simplest approach. Thanks, Jeremy for the idea.
 415          */
 416         struct tevent_req *deferred_close;
 417 } files_struct;
 418
 419 #define FSP_POSIX_FLAGS_OPEN            0x01
 420 #define FSP_POSIX_FLAGS_RENAME          0x02
 421 #define FSP_POSIX_FLAGS_PATHNAMES       0x04
 422
 423 #define FSP_POSIX_FLAGS_ALL                     \
 424         (FSP_POSIX_FLAGS_OPEN |                 \
 425          FSP_POSIX_FLAGS_PATHNAMES |            \
 426          FSP_POSIX_FLAGS_RENAME)
 427
 428 struct vuid_cache_entry {
 429         struct auth_session_info *session_info;
 430         uint64_t vuid; /* SMB2 compat */
 431         bool read_only;
 432         uint32_t share_access;
 433 };
 434
 435 struct vuid_cache {
 436         unsigned int next_entry;
 437         struct vuid_cache_entry array[VUID_CACHE_SIZE];
 438 };
 439
 440 typedef struct {
 441         char *name;
 442         bool is_wild;
 443 } name_compare_entry;
 444
 445 struct share_params {
 446         int service;
 447 };
 448
 449 typedef struct connection_struct {
 450         struct connection_struct *next, *prev;
 451         struct smbd_server_connection *sconn; /* can be NULL */
 452         struct smbXsrv_tcon *tcon; /* can be NULL */
 453         uint32_t cnum; /* an index passed over the wire */
 454         struct share_params *params;
 455         bool force_user;
 456         struct vuid_cache *vuid_cache;
 457         bool printer;
 458         bool ipc;
 459         bool read_only; /* Attributes for the current user of the share. */
 460         uint32_t share_access;
 461         /* Does this filesystem honor
 462            sub second timestamps on files
 463            and directories when setting time ? */
 464         enum timestamp_set_resolution ts_res;
 465         char *connectpath;
 466         char *origpath;
 467         struct smb_filename *cwd_fname; /* Working directory. */
 468         bool tcon_done;
 469
 470         struct vfs_handle_struct *vfs_handles;          /* for the new plugins */
 471
 472         /*
 473          * This represents the user information on this connection. Depending
 474          * on the vuid using this tid, this might change per SMB request.
 475          */
 476         struct auth_session_info *session_info;
 477
 478         /*
 479          * If the "force group" parameter is set, this is the primary gid that
 480          * may be used in the users token, depending on the vuid using this tid.
 481          */
 482         gid_t force_group_gid;
 483
 484         uint64_t vuid; /* vuid of user who *opened* this connection, or UID_FIELD_INVALID */
 485
 486         time_t lastused;
 487         time_t lastused_count;
 488         int num_files_open;
 489         unsigned int num_smb_operations; /* Count of smb operations on this tree. */
 490         int encrypt_level;
 491         bool encrypted_tid;
 492
 493         /* Semantics requested by the client or forced by the server config. */
 494         bool case_sensitive;
 495         bool case_preserve;
 496         bool short_case_preserve;
 497
 498         /* Semantics provided by the underlying filesystem. */
 499         int fs_capabilities;
 500         /* Device number of the directory of the share mount.
 501            Used to ensure unique FileIndex returns. */
 502         SMB_DEV_T base_share_dev;
 503
 504         name_compare_entry *hide_list; /* Per-share list of files to return as hidden. */
 505         name_compare_entry *veto_list; /* Per-share list of files to veto (never show). */
 506         name_compare_entry *veto_oplock_list; /* Per-share list of files to refuse oplocks on. */
 507         name_compare_entry *aio_write_behind_list; /* Per-share list of files to use aio write behind on. */
 508         struct trans_state *pending_trans;
 509
 510         struct rpc_pipe_client *spoolss_pipe;
 511
 512 } connection_struct;
 513
 514 struct smbd_smb2_request;
 515 struct privilege_paths;
 516
 517 struct smb_request {
 518         uint8_t cmd;
 519         uint16_t flags2;
 520         uint16_t smbpid;
 521         uint64_t mid; /* For compatibility with SMB2. */
 522         uint32_t seqnum;
 523         uint64_t vuid; /* For compatibility with SMB2. */
 524         uint32_t tid;
 525         uint8_t  wct;
 526         const uint16_t *vwv;
 527         uint16_t buflen;
 528         const uint8_t *buf;
 529         const uint8_t *inbuf;
 530
 531         /*
 532          * Async handling in the main smb processing loop is directed by
 533          * outbuf: reply_xxx routines indicate sync behaviour by putting their
 534          * reply into "outbuf". If they leave it as NULL, they take care of it
 535          * themselves, possibly later.
 536          *
 537          * If async handling is wanted, the reply_xxx routine must make sure
 538          * that it talloc_move()s the smb_req somewhere else.
 539          */
 540         uint8_t *outbuf;
 541
 542         size_t unread_bytes;
 543         bool encrypted;
 544         connection_struct *conn;
 545         struct smbd_server_connection *sconn;
 546         struct smbXsrv_connection *xconn;
 547         struct smb_perfcount_data pcd;
 548
 549         /*
 550          * Chained request handling
 551          */
 552         struct files_struct *chain_fsp;
 553
 554         /*
 555          * state information for async smb handling
 556          */
 557         void *async_priv;
 558
 559         /*
 560          * Back pointer to smb2 request.
 561          */
 562         struct smbd_smb2_request *smb2req;
 563
 564         /*
 565          * Pathnames used if request done
 566          * under privilege.
 567          */
 568         struct privilege_paths *priv_paths;
 569
 570         /*
 571          * Request list for chained requests, we're part of it.
 572          */
 573         struct smb_request **chain;
 574
 575         struct timeval request_time;
 576
 577         bool posix_pathnames;
 578 };
 579
 580 /*
 581  * Info about an alternate data stream
 582  */
 583
 584 struct stream_struct {
 585         off_t size;
 586         off_t alloc_size;
 587         char *name;
 588 };
 589
 590 /* time info */
 591 struct smb_file_time {
 592         struct timespec mtime;
 593         struct timespec atime;
 594         struct timespec ctime;
 595         struct timespec create_time;
 596 };
 597
 598 /*
 599  * smb_filename
 600  */
 601 struct smb_filename {
 602         char *base_name;
 603         char *stream_name;
 604         char *original_lcomp;
 605         uint32_t flags;
 606         SMB_STRUCT_STAT st;
 607 };
 608
 609 /*
 610  * smb_filename flags. Define in terms of the FSP_POSIX_FLAGS_XX
 611  * to keep the numeric values consistent.
 612  */
 613
 614 #define SMB_FILENAME_POSIX_PATH         FSP_POSIX_FLAGS_PATHNAMES
 615
 616 #define VFS_FIND(__fn__) while (handle->fns->__fn__##_fn==NULL) { \
 617                                 handle = handle->next; \
 618                          }
 619
 620 enum vfs_translate_direction {
 621         vfs_translate_to_unix = 0,
 622         vfs_translate_to_windows
 623 };
 624
 625 enum vfs_fallocate_flags {
 626         VFS_FALLOCATE_FL_KEEP_SIZE              = 0x0001,
 627         VFS_FALLOCATE_FL_PUNCH_HOLE             = 0x0002,
 628 };
 629
 630 struct vfs_aio_state {
 631         int error;
 632         uint64_t duration;
 633 };
 634
 635 /*
 636     Available VFS operations. These values must be in sync with vfs_ops struct
 637     (struct vfs_fn_pointers and struct vfs_handle_pointers inside of struct vfs_ops).
 638     In particular, if new operations are added to vfs_ops, appropriate constants
 639     should be added to vfs_op_type so that order of them kept same as in vfs_ops.
 640 */
 641 struct shadow_copy_data;
 642
 643 struct vfs_fn_pointers {
 644         /* Disk operations */
 645
 646         int (*connect_fn)(struct vfs_handle_struct *handle, const char *service, const char *user);
 647         void (*disconnect_fn)(struct vfs_handle_struct *handle);
 648         uint64_t (*disk_free_fn)(struct vfs_handle_struct *handle,
 649                                 const struct smb_filename *smb_fname,
 650                                 uint64_t *bsize,
 651                                 uint64_t *dfree,
 652                                 uint64_t *dsize);
 653         int (*get_quota_fn)(struct vfs_handle_struct *handle,
 654                                 const struct smb_filename *smb_fname,
 655                                 enum SMB_QUOTA_TYPE qtype,
 656                                 unid_t id,
 657                                 SMB_DISK_QUOTA *qt);
 658         int (*set_quota_fn)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
 659         int (*get_shadow_copy_data_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, struct shadow_copy_data *shadow_copy_data, bool labels);
 660         int (*statvfs_fn)(struct vfs_handle_struct *handle,
 661                                 const struct smb_filename *smb_fname,
 662                                 struct vfs_statvfs_struct *statbuf);
 663         uint32_t (*fs_capabilities_fn)(struct vfs_handle_struct *handle, enum timestamp_set_resolution *p_ts_res);
 664
 665         /*
 666          * Note: that "struct dfs_GetDFSReferral *r"
 667          * needs to be a valid TALLOC_CTX
 668          */
 669         NTSTATUS (*get_dfs_referrals_fn)(struct vfs_handle_struct *handle,
 670                                          struct dfs_GetDFSReferral *r);
 671
 672         /* Directory operations */
 673
 674         DIR *(*opendir_fn)(struct vfs_handle_struct *handle,
 675                                         const struct smb_filename *smb_fname,
 676                                         const char *mask,
 677                                         uint32_t attributes);
 678         DIR *(*fdopendir_fn)(struct vfs_handle_struct *handle, files_struct *fsp, const char *mask, uint32_t attributes);
 679         struct dirent *(*readdir_fn)(struct vfs_handle_struct *handle,
 680                                          DIR *dirp,
 681                                          SMB_STRUCT_STAT *sbuf);
 682         void (*seekdir_fn)(struct vfs_handle_struct *handle, DIR *dirp, long offset);
 683         long (*telldir_fn)(struct vfs_handle_struct *handle, DIR *dirp);
 684         void (*rewind_dir_fn)(struct vfs_handle_struct *handle, DIR *dirp);
 685         int (*mkdir_fn)(struct vfs_handle_struct *handle,
 686                         const struct smb_filename *smb_fname,
 687                         mode_t mode);
 688         int (*rmdir_fn)(struct vfs_handle_struct *handle,
 689                         const struct smb_filename *smb_fname);
 690         int (*closedir_fn)(struct vfs_handle_struct *handle, DIR *dir);
 691
 692         /* File operations */
 693
 694         int (*open_fn)(struct vfs_handle_struct *handle,
 695                        struct smb_filename *smb_fname, files_struct *fsp,
 696                        int flags, mode_t mode);
 697         NTSTATUS (*create_file_fn)(struct vfs_handle_struct *handle,
 698                                    struct smb_request *req,
 699                                    uint16_t root_dir_fid,
 700                                    struct smb_filename *smb_fname,
 701                                    uint32_t access_mask,
 702                                    uint32_t share_access,
 703                                    uint32_t create_disposition,
 704                                    uint32_t create_options,
 705                                    uint32_t file_attributes,
 706                                    uint32_t oplock_request,
 707                                    struct smb2_lease *lease,
 708                                    uint64_t allocation_size,
 709                                    uint32_t private_flags,
 710                                    struct security_descriptor *sd,
 711                                    struct ea_list *ea_list,
 712                                    files_struct **result,
 713                                    int *pinfo,
 714                                    const struct smb2_create_blobs *in_context_blobs,
 715                                    struct smb2_create_blobs *out_context_blobs);
 716         int (*close_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 717         ssize_t (*pread_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n, off_t offset);
 718         struct tevent_req *(*pread_send_fn)(struct vfs_handle_struct *handle,
 719                                             TALLOC_CTX *mem_ctx,
 720                                             struct tevent_context *ev,
 721                                             struct files_struct *fsp,
 722                                             void *data,
 723                                             size_t n, off_t offset);
 724         ssize_t (*pread_recv_fn)(struct tevent_req *req, struct vfs_aio_state *state);
 725         ssize_t (*pwrite_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n, off_t offset);
 726         struct tevent_req *(*pwrite_send_fn)(struct vfs_handle_struct *handle,
 727                                              TALLOC_CTX *mem_ctx,
 728                                              struct tevent_context *ev,
 729                                              struct files_struct *fsp,
 730                                              const void *data,
 731                                              size_t n, off_t offset);
 732         ssize_t (*pwrite_recv_fn)(struct tevent_req *req, struct vfs_aio_state *state);
 733         off_t (*lseek_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t offset, int whence);
 734         ssize_t (*sendfile_fn)(struct vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *header, off_t offset, size_t count);
 735         ssize_t (*recvfile_fn)(struct vfs_handle_struct *handle, int fromfd, files_struct *tofsp, off_t offset, size_t count);
 736         int (*rename_fn)(struct vfs_handle_struct *handle,
 737                          const struct smb_filename *smb_fname_src,
 738                          const struct smb_filename *smb_fname_dst);
 739         struct tevent_req *(*fsync_send_fn)(struct vfs_handle_struct *handle,
 740                                             TALLOC_CTX *mem_ctx,
 741                                             struct tevent_context *ev,
 742                                             struct files_struct *fsp);
 743         int (*fsync_recv_fn)(struct tevent_req *req, struct vfs_aio_state *state);
 744         int (*stat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_fname);
 745         int (*fstat_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
 746         int (*lstat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_filename);
 747         uint64_t (*get_alloc_size_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_STAT *sbuf);
 748         int (*unlink_fn)(struct vfs_handle_struct *handle,
 749                          const struct smb_filename *smb_fname);
 750         int (*chmod_fn)(struct vfs_handle_struct *handle,
 751                         const struct smb_filename *smb_fname,
 752                         mode_t mode);
 753         int (*fchmod_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
 754         int (*chown_fn)(struct vfs_handle_struct *handle,
 755                         const struct smb_filename *smb_fname,
 756                         uid_t uid,
 757                         gid_t gid);
 758         int (*fchown_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, uid_t uid, gid_t gid);
 759         int (*lchown_fn)(struct vfs_handle_struct *handle,
 760                         const struct smb_filename *smb_fname,
 761                         uid_t uid,
 762                         gid_t gid);
 763         int (*chdir_fn)(struct vfs_handle_struct *handle,
 764                          const struct smb_filename *smb_fname);
 765         struct smb_filename *(*getwd_fn)(struct vfs_handle_struct *handle,
 766                                 TALLOC_CTX *mem_ctx);
 767         int (*ntimes_fn)(struct vfs_handle_struct *handle,
 768                          const struct smb_filename *smb_fname,
 769                          struct smb_file_time *ft);
 770         int (*ftruncate_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t offset);
 771         int (*fallocate_fn)(struct vfs_handle_struct *handle,
 772                             struct files_struct *fsp,
 773                             uint32_t mode,
 774                             off_t offset,
 775                             off_t len);
 776         bool (*lock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, off_t offset, off_t count, int type);
 777         int (*kernel_flock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp,
 778                                uint32_t share_mode, uint32_t access_mask);
 779         int (*linux_setlease_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int leasetype);
 780         bool (*getlock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t *poffset, off_t *pcount, int *ptype, pid_t *ppid);
 781         int (*symlink_fn)(struct vfs_handle_struct *handle,
 782                                 const char *link_contents,
 783                                 const struct smb_filename *new_smb_fname);
 784         int (*readlink_fn)(struct vfs_handle_struct *handle,
 785                                 const struct smb_filename *smb_fname,
 786                                 char *buf,
 787                                 size_t bufsiz);
 788         int (*link_fn)(struct vfs_handle_struct *handle,
 789                                 const struct smb_filename *old_smb_fname,
 790                                 const struct smb_filename *new_smb_fname);
 791         int (*mknod_fn)(struct vfs_handle_struct *handle,
 792                                 const struct smb_filename *smb_fname,
 793                                 mode_t mode,
 794                                 SMB_DEV_T dev);
 795         struct smb_filename *(*realpath_fn)(struct vfs_handle_struct *handle,
 796                                 TALLOC_CTX *ctx,
 797                                 const struct smb_filename *smb_fname);
 798         int (*chflags_fn)(struct vfs_handle_struct *handle,
 799                                 const struct smb_filename *smb_fname,
 800                                 unsigned int flags);
 801         struct file_id (*file_id_create_fn)(struct vfs_handle_struct *handle,
 802                                             const SMB_STRUCT_STAT *sbuf);
 803         struct tevent_req *(*offload_read_send_fn)(TALLOC_CTX *mem_ctx,
 804                                                    struct tevent_context *ev,
 805                                                    struct vfs_handle_struct *handle,
 806                                                    struct files_struct *fsp,
 807                                                    uint32_t fsctl,
 808                                                    uint32_t ttl,
 809                                                    off_t offset,
 810                                                    size_t to_copy);
 811         NTSTATUS (*offload_read_recv_fn)(struct tevent_req *req,
 812                                          struct vfs_handle_struct *handle,
 813                                          TALLOC_CTX *mem_ctx,
 814                                          DATA_BLOB *token_blob);
 815         struct tevent_req *(*offload_write_send_fn)(struct vfs_handle_struct *handle,
 816                                                     TALLOC_CTX *mem_ctx,
 817                                                     struct tevent_context *ev,
 818                                                     uint32_t fsctl,
 819                                                     DATA_BLOB *token,
 820                                                     off_t transfer_offset,
 821                                                     struct files_struct *dest_fsp,
 822                                                     off_t dest_off,
 823                                                     off_t to_copy);
 824         NTSTATUS (*offload_write_recv_fn)(struct vfs_handle_struct *handle,
 825                                           struct tevent_req *req,
 826                                           off_t *copied);
 827         NTSTATUS (*get_compression_fn)(struct vfs_handle_struct *handle,
 828                                        TALLOC_CTX *mem_ctx,
 829                                        struct files_struct *fsp,
 830                                        struct smb_filename *smb_fname,
 831                                        uint16_t *_compression_fmt);
 832         NTSTATUS (*set_compression_fn)(struct vfs_handle_struct *handle,
 833                                        TALLOC_CTX *mem_ctx,
 834                                        struct files_struct *fsp,
 835                                        uint16_t compression_fmt);
 836         NTSTATUS (*snap_check_path_fn)(struct vfs_handle_struct *handle,
 837                                        TALLOC_CTX *mem_ctx,
 838                                        const char *service_path,
 839                                        char **base_volume);
 840         NTSTATUS (*snap_create_fn)(struct vfs_handle_struct *handle,
 841                                    TALLOC_CTX *mem_ctx,
 842                                    const char *base_volume,
 843                                    time_t *tstamp,
 844                                    bool rw,
 845                                    char **base_path,
 846                                    char **snap_path);
 847         NTSTATUS (*snap_delete_fn)(struct vfs_handle_struct *handle,
 848                                    TALLOC_CTX *mem_ctx,
 849                                    char *base_path,
 850                                    char *snap_path);
 851
 852         NTSTATUS (*streaminfo_fn)(struct vfs_handle_struct *handle,
 853                                   struct files_struct *fsp,
 854                                   const struct smb_filename *smb_fname,
 855                                   TALLOC_CTX *mem_ctx,
 856                                   unsigned int *num_streams,
 857                                   struct stream_struct **streams);
 858
 859         int (*get_real_filename_fn)(struct vfs_handle_struct *handle,
 860                                     const char *path,
 861                                     const char *name,
 862                                     TALLOC_CTX *mem_ctx,
 863                                     char **found_name);
 864
 865         const char *(*connectpath_fn)(struct vfs_handle_struct *handle,
 866                                       const struct smb_filename *smb_fname);
 867
 868         NTSTATUS (*brl_lock_windows_fn)(struct vfs_handle_struct *handle,
 869                                         struct byte_range_lock *br_lck,
 870                                         struct lock_struct *plock,
 871                                         bool blocking_lock);
 872
 873         bool (*brl_unlock_windows_fn)(struct vfs_handle_struct *handle,
 874                                       struct messaging_context *msg_ctx,
 875                                       struct byte_range_lock *br_lck,
 876                                       const struct lock_struct *plock);
 877
 878         bool (*strict_lock_check_fn)(struct vfs_handle_struct *handle,
 879                                      struct files_struct *fsp,
 880                                      struct lock_struct *plock);
 881
 882         NTSTATUS (*translate_name_fn)(struct vfs_handle_struct *handle,
 883                                       const char *name,
 884                                       enum vfs_translate_direction direction,
 885                                       TALLOC_CTX *mem_ctx,
 886                                       char **mapped_name);
 887
 888         NTSTATUS (*fsctl_fn)(struct vfs_handle_struct *handle,
 889                              struct files_struct *fsp,
 890                              TALLOC_CTX *ctx,
 891                              uint32_t function,
 892                              uint16_t req_flags,
 893                              const uint8_t *_in_data,
 894                              uint32_t in_len,
 895                              uint8_t **_out_data,
 896                              uint32_t max_out_len,
 897                              uint32_t *out_len);
 898
 899         NTSTATUS (*get_dos_attributes_fn)(struct vfs_handle_struct *handle,
 900                                           struct smb_filename *smb_fname,
 901                                           uint32_t *dosmode);
 902
 903         NTSTATUS (*fget_dos_attributes_fn)(struct vfs_handle_struct *handle,
 904                                            struct files_struct *fsp,
 905                                            uint32_t *dosmode);
 906
 907         NTSTATUS (*set_dos_attributes_fn)(struct vfs_handle_struct *handle,
 908                                           const struct smb_filename *smb_fname,
 909                                           uint32_t dosmode);
 910
 911         NTSTATUS (*fset_dos_attributes_fn)(struct vfs_handle_struct *hande,
 912                                            struct files_struct *fsp,
 913                                            uint32_t dosmode);
 914
 915         struct tevent_req *(*get_dos_attributes_send_fn)(
 916                                 TALLOC_CTX *mem_ctx,
 917                                 struct tevent_context *ev,
 918                                 struct vfs_handle_struct *handle,
 919                                 files_struct *dir_fsp,
 920                                 struct smb_filename *smb_fname);
 921
 922         NTSTATUS (*get_dos_attributes_recv_fn)(
 923                                 struct tevent_req *req,
 924                                 struct vfs_aio_state *aio_state,
 925                                 uint32_t *dosmode);
 926
 927         /* NT ACL operations. */
 928
 929         NTSTATUS (*fget_nt_acl_fn)(struct vfs_handle_struct *handle,
 930                                    struct files_struct *fsp,
 931                                    uint32_t security_info,
 932                                    TALLOC_CTX *mem_ctx,
 933                                    struct security_descriptor **ppdesc);
 934         NTSTATUS (*get_nt_acl_fn)(struct vfs_handle_struct *handle,
 935                                   const struct smb_filename *smb_fname,
 936                                   uint32_t security_info,
 937                                    TALLOC_CTX *mem_ctx,
 938                                   struct security_descriptor **ppdesc);
 939         NTSTATUS (*fset_nt_acl_fn)(struct vfs_handle_struct *handle,
 940                                    struct files_struct *fsp,
 941                                    uint32_t security_info_sent,
 942                                    const struct security_descriptor *psd);
 943
 944         NTSTATUS (*audit_file_fn)(struct vfs_handle_struct *handle,
 945                                   struct smb_filename *file,
 946                                   struct security_acl *sacl,
 947                                   uint32_t access_requested,
 948                                   uint32_t access_denied);
 949
 950         /* POSIX ACL operations. */
 951
 952         SMB_ACL_T (*sys_acl_get_file_fn)(struct vfs_handle_struct *handle,
 953                                          const struct smb_filename *smb_fname,
 954                                          SMB_ACL_TYPE_T type,
 955                                          TALLOC_CTX *mem_ctx);
 956         SMB_ACL_T (*sys_acl_get_fd_fn)(struct vfs_handle_struct *handle,
 957                                        struct files_struct *fsp,
 958                                        TALLOC_CTX *mem_ctx);
 959         int (*sys_acl_blob_get_file_fn)(struct vfs_handle_struct *handle,
 960                                         const struct smb_filename *smb_fname,
 961                                         TALLOC_CTX *mem_ctx,
 962                                         char **blob_description,
 963                                         DATA_BLOB *blob);
 964         int (*sys_acl_blob_get_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp,
 965                                       TALLOC_CTX *mem_ctx, char **blob_description,
 966                                       DATA_BLOB *blob);
 967         int (*sys_acl_set_file_fn)(struct vfs_handle_struct *handle,
 968                                         const struct smb_filename *smb_fname,
 969                                         SMB_ACL_TYPE_T acltype,
 970                                         SMB_ACL_T theacl);
 971         int (*sys_acl_set_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_ACL_T theacl);
 972         int (*sys_acl_delete_def_file_fn)(struct vfs_handle_struct *handle,
 973                                         const struct smb_filename *smb_fname);
 974
 975         /* EA operations. */
 976         ssize_t (*getxattr_fn)(struct vfs_handle_struct *handle,
 977                                         const struct smb_filename *smb_fname,
 978                                         const char *name,
 979                                         void *value,
 980                                         size_t size);
 981         struct tevent_req *(*getxattrat_send_fn)(
 982                                 TALLOC_CTX *mem_ctx,
 983                                 struct tevent_context *ev,
 984                                 struct vfs_handle_struct *handle,
 985                                 files_struct *dir_fsp,
 986                                 const struct smb_filename *smb_fname,
 987                                 const char *xattr_name,
 988                                 size_t alloc_hint);
 989         ssize_t (*getxattrat_recv_fn)(struct tevent_req *req,
 990                                       struct vfs_aio_state *aio_state,
 991                                       TALLOC_CTX *mem_ctx,
 992                                       uint8_t **xattr_value);
 993         ssize_t (*fgetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size);
 994         ssize_t (*listxattr_fn)(struct vfs_handle_struct *handle,
 995                                         const struct smb_filename *smb_fname,
 996                                         char *list,
 997                                         size_t size);
 998         ssize_t (*flistxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size);
 999         int (*removexattr_fn)(struct vfs_handle_struct *handle,
1000                                         const struct smb_filename *smb_fname,
1001                                         const char *name);
1002         int (*fremovexattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name);
1003         int (*setxattr_fn)(struct vfs_handle_struct *handle,
1004                                         const struct smb_filename *smb_fname,
1005                                         const char *name,
1006                                         const void *value,
1007                                         size_t size,
1008                                         int flags);
1009         int (*fsetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags);
1010
1011         /* aio operations */
1012         bool (*aio_force_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
1013
1014         /* durable handle operations */
1015         NTSTATUS (*durable_cookie_fn)(struct vfs_handle_struct *handle,
1016                                       struct files_struct *fsp,
1017                                       TALLOC_CTX *mem_ctx,
1018                                       DATA_BLOB *cookie);
1019         NTSTATUS (*durable_disconnect_fn)(struct vfs_handle_struct *handle,
1020                                           struct files_struct *fsp,
1021                                           const DATA_BLOB old_cookie,
1022                                           TALLOC_CTX *mem_ctx,
1023                                           DATA_BLOB *new_cookie);
1024         NTSTATUS (*durable_reconnect_fn)(struct vfs_handle_struct *handle,
1025                                          struct smb_request *smb1req,
1026                                          struct smbXsrv_open *op,
1027                                          const DATA_BLOB old_cookie,
1028                                          TALLOC_CTX *mem_ctx,
1029                                          struct files_struct **fsp,
1030                                          DATA_BLOB *new_cookie);
1031
1032         NTSTATUS (*readdir_attr_fn)(struct vfs_handle_struct *handle,
1033                                     const struct smb_filename *fname,
1034                                     TALLOC_CTX *mem_ctx,
1035                                     struct readdir_attr_data **attr_data);
1036 };
1037
1038 /*
1039     VFS operation description. Each VFS module registers an array of vfs_op_tuple to VFS subsystem,
1040     which describes all operations this module is willing to intercept.
1041     VFS subsystem initializes then the conn->vfs_ops and conn->vfs_opaque_ops structs
1042     using this information.
1043 */
1044
1045 typedef struct vfs_handle_struct {
1046         struct vfs_handle_struct  *next, *prev;
1047         const char *param;
1048         struct connection_struct *conn;
1049         const struct vfs_fn_pointers *fns;
1050         void *data;
1051         void (*free_data)(void **data);
1052 } vfs_handle_struct;
1053
1054
1055 typedef struct vfs_statvfs_struct {
1056         /* For undefined recommended transfer size return -1 in that field */
1057         uint32_t OptimalTransferSize;  /* bsize on some os, iosize on other os */
1058         uint32_t BlockSize;
1059
1060         /*
1061          The next three fields are in terms of the block size.
1062          (above). If block size is unknown, 4096 would be a
1063          reasonable block size for a server to report.
1064          Note that returning the blocks/blocksavail removes need
1065          to make a second call (to QFSInfo level 0x103 to get this info.
1066          UserBlockAvail is typically less than or equal to BlocksAvail,
1067          if no distinction is made return the same value in each.
1068         */
1069
1070         uint64_t TotalBlocks;
1071         uint64_t BlocksAvail;       /* bfree */
1072         uint64_t UserBlocksAvail;   /* bavail */
1073
1074         /* For undefined Node fields or FSID return -1 */
1075         uint64_t TotalFileNodes;
1076         uint64_t FreeFileNodes;
1077         uint64_t FsIdentifier;   /* fsid */
1078         /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */
1079         /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call   */
1080
1081         int FsCapabilities;
1082 } vfs_statvfs_struct;
1083
1084 /* Add a new FSP extension of the given type. Returns a pointer to the
1085  * extenstion data.
1086  */
1087 #define VFS_ADD_FSP_EXTENSION(handle, fsp, type, destroy_fn)            \
1088     (type *)vfs_add_fsp_extension_notype(handle, (fsp), sizeof(type), (destroy_fn))
1089
1090 /* Return a pointer to the existing FSP extension data. */
1091 #define VFS_FETCH_FSP_EXTENSION(handle, fsp) \
1092     vfs_fetch_fsp_extension(handle, (fsp))
1093
1094 /* Return the talloc context associated with an FSP extension. */
1095 #define VFS_MEMCTX_FSP_EXTENSION(handle, fsp) \
1096     vfs_memctx_fsp_extension(handle, (fsp))
1097
1098 /* Remove and destroy an FSP extension. */
1099 #define VFS_REMOVE_FSP_EXTENSION(handle, fsp) \
1100     vfs_remove_fsp_extension((handle), (fsp))
1101
1102 #define SMB_VFS_HANDLE_GET_DATA(handle, datap, type, ret) { \
1103         if (!(handle)||((datap=(type *)(handle)->data)==NULL)) { \
1104                 DEBUG(0,("%s() failed to get vfs_handle->data!\n",__FUNCTION__)); \
1105                 ret; \
1106         } \
1107 }
1108
1109 #define SMB_VFS_HANDLE_SET_DATA(handle, datap, free_fn, type, ret) { \
1110         if (!(handle)) { \
1111                 DEBUG(0,("%s() failed to set handle->data!\n",__FUNCTION__)); \
1112                 ret; \
1113         } else { \
1114                 if ((handle)->free_data) { \
1115                         (handle)->free_data(&(handle)->data); \
1116                 } \
1117                 (handle)->data = (void *)datap; \
1118                 (handle)->free_data = free_fn; \
1119         } \
1120 }
1121
1122 #define SMB_VFS_HANDLE_FREE_DATA(handle) { \
1123         if ((handle) && (handle)->free_data) { \
1124                 (handle)->free_data(&(handle)->data); \
1125         } \
1126 }
1127
1128 /* Check whether module-specific data handle was already allocated or not */
1129 #define SMB_VFS_HANDLE_TEST_DATA(handle)  ( !(handle) || !(handle)->data ? False : True )
1130
1131 #define SMB_VFS_OP(x) ((void *) x)
1132
1133 #define DEFAULT_VFS_MODULE_NAME "/[Default VFS]/"
1134
1135 #include "vfs_macros.h"
1136
1137 int smb_vfs_call_connect(struct vfs_handle_struct *handle,
1138                          const char *service, const char *user);
1139 void smb_vfs_call_disconnect(struct vfs_handle_struct *handle);
1140 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
1141                                 const struct smb_filename *smb_filename,
1142                                 uint64_t *bsize,
1143                                 uint64_t *dfree,
1144                                 uint64_t *dsize);
1145 int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
1146                                 const struct smb_filename *smb_filename,
1147                                 enum SMB_QUOTA_TYPE qtype,
1148                                 unid_t id,
1149                                 SMB_DISK_QUOTA *qt);
1150 int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
1151                            enum SMB_QUOTA_TYPE qtype, unid_t id,
1152                            SMB_DISK_QUOTA *qt);
1153 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
1154                                       struct files_struct *fsp,
1155                                       struct shadow_copy_data *shadow_copy_data,
1156                                       bool labels);
1157 int smb_vfs_call_statvfs(struct vfs_handle_struct *handle,
1158                         const struct smb_filename *smb_fname,
1159                         struct vfs_statvfs_struct *statbuf);
1160 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
1161                                       enum timestamp_set_resolution *p_ts_res);
1162 /*
1163  * Note: that "struct dfs_GetDFSReferral *r" needs to be a valid TALLOC_CTX
1164  */
1165 NTSTATUS smb_vfs_call_get_dfs_referrals(struct vfs_handle_struct *handle,
1166                                         struct dfs_GetDFSReferral *r);
1167 DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
1168                         const struct smb_filename *smb_fname,
1169                         const char *mask,
1170                         uint32_t attributes);
1171 DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
1172                                         struct files_struct *fsp,
1173                                         const char *mask,
1174                                         uint32_t attributes);
1175 struct dirent *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
1176                                         DIR *dirp,
1177                                         SMB_STRUCT_STAT *sbuf);
1178 void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
1179                           DIR *dirp, long offset);
1180 long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
1181                           DIR *dirp);
1182 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
1183                              DIR *dirp);
1184 int smb_vfs_call_mkdir(struct vfs_handle_struct *handle,
1185                         const struct smb_filename *smb_fname,
1186                         mode_t mode);
1187 int smb_vfs_call_rmdir(struct vfs_handle_struct *handle,
1188                         const struct smb_filename *smb_fname);
1189 int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
1190                           DIR *dir);
1191 int smb_vfs_call_open(struct vfs_handle_struct *handle,
1192                       struct smb_filename *smb_fname, struct files_struct *fsp,
1193                       int flags, mode_t mode);
1194 NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
1195                                   struct smb_request *req,
1196                                   uint16_t root_dir_fid,
1197                                   struct smb_filename *smb_fname,
1198                                   uint32_t access_mask,
1199                                   uint32_t share_access,
1200                                   uint32_t create_disposition,
1201                                   uint32_t create_options,
1202                                   uint32_t file_attributes,
1203                                   uint32_t oplock_request,
1204                                   struct smb2_lease *lease,
1205                                   uint64_t allocation_size,
1206                                   uint32_t private_flags,
1207                                   struct security_descriptor *sd,
1208                                   struct ea_list *ea_list,
1209                                   files_struct **result,
1210                                   int *pinfo,
1211                                   const struct smb2_create_blobs *in_context_blobs,
1212                                   struct smb2_create_blobs *out_context_blobs);
1213 int smb_vfs_call_close(struct vfs_handle_struct *handle,
1214                        struct files_struct *fsp);
1215 ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
1216                            struct files_struct *fsp, void *data, size_t n,
1217                            off_t offset);
1218 struct tevent_req *smb_vfs_call_pread_send(struct vfs_handle_struct *handle,
1219                                            TALLOC_CTX *mem_ctx,
1220                                            struct tevent_context *ev,
1221                                            struct files_struct *fsp,
1222                                            void *data,
1223                                            size_t n, off_t offset);
1224 ssize_t SMB_VFS_PREAD_RECV(struct tevent_req *req, struct vfs_aio_state *state);
1225
1226 ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
1227                             struct files_struct *fsp, const void *data,
1228                             size_t n, off_t offset);
1229 struct tevent_req *smb_vfs_call_pwrite_send(struct vfs_handle_struct *handle,
1230                                             TALLOC_CTX *mem_ctx,
1231                                             struct tevent_context *ev,
1232                                             struct files_struct *fsp,
1233                                             const void *data,
1234                                             size_t n, off_t offset);
1235 ssize_t SMB_VFS_PWRITE_RECV(struct tevent_req *req, struct vfs_aio_state *state);
1236
1237 off_t smb_vfs_call_lseek(struct vfs_handle_struct *handle,
1238                              struct files_struct *fsp, off_t offset,
1239                              int whence);
1240 ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
1241                               files_struct *fromfsp, const DATA_BLOB *header,
1242                               off_t offset, size_t count);
1243 ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
1244                               files_struct *tofsp, off_t offset,
1245                               size_t count);
1246 int smb_vfs_call_rename(struct vfs_handle_struct *handle,
1247                         const struct smb_filename *smb_fname_src,
1248                         const struct smb_filename *smb_fname_dst);
1249
1250 struct tevent_req *smb_vfs_call_fsync_send(struct vfs_handle_struct *handle,
1251                                            TALLOC_CTX *mem_ctx,
1252                                            struct tevent_context *ev,
1253                                            struct files_struct *fsp);
1254 int SMB_VFS_FSYNC_RECV(struct tevent_req *req, struct vfs_aio_state *state);
1255
1256 int smb_vfs_fsync_sync(files_struct *fsp);
1257 int smb_vfs_call_stat(struct vfs_handle_struct *handle,
1258                       struct smb_filename *smb_fname);
1259 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
1260                        struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
1261 int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
1262                        struct smb_filename *smb_filename);
1263 uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
1264                                      struct files_struct *fsp,
1265                                      const SMB_STRUCT_STAT *sbuf);
1266 int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
1267                         const struct smb_filename *smb_fname);
1268 int smb_vfs_call_chmod(struct vfs_handle_struct *handle,
1269                         const struct smb_filename *smb_fname,
1270                         mode_t mode);
1271 int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
1272                         struct files_struct *fsp, mode_t mode);
1273 int smb_vfs_call_chown(struct vfs_handle_struct *handle,
1274                         const struct smb_filename *smb_fname,
1275                         uid_t uid,
1276                         gid_t gid);
1277 int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
1278                         struct files_struct *fsp, uid_t uid, gid_t gid);
1279 int smb_vfs_call_lchown(struct vfs_handle_struct *handle,
1280                         const struct smb_filename *smb_fname,
1281                         uid_t uid,
1282                         gid_t gid);
1283 int smb_vfs_call_chdir(struct vfs_handle_struct *handle,
1284                         const struct smb_filename *smb_fname);
1285 struct smb_filename *smb_vfs_call_getwd(struct vfs_handle_struct *handle,
1286                                 TALLOC_CTX *ctx);
1287 int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
1288                         const struct smb_filename *smb_fname,
1289                         struct smb_file_time *ft);
1290 int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
1291                            struct files_struct *fsp, off_t offset);
1292 int smb_vfs_call_fallocate(struct vfs_handle_struct *handle,
1293                            struct files_struct *fsp,
1294                            uint32_t mode,
1295                            off_t offset,
1296                            off_t len);
1297 bool smb_vfs_call_lock(struct vfs_handle_struct *handle,
1298                        struct files_struct *fsp, int op, off_t offset,
1299                        off_t count, int type);
1300 int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
1301                               struct files_struct *fsp, uint32_t share_mode,
1302                               uint32_t access_mask);
1303 int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
1304                                 struct files_struct *fsp, int leasetype);
1305 bool smb_vfs_call_getlock(struct vfs_handle_struct *handle,
1306                           struct files_struct *fsp, off_t *poffset,
1307                           off_t *pcount, int *ptype, pid_t *ppid);
1308 int smb_vfs_call_symlink(struct vfs_handle_struct *handle,
1309                         const char *link_contents,
1310                         const struct smb_filename *new_smb_fname);
1311 int smb_vfs_call_readlink(struct vfs_handle_struct *handle,
1312                         const struct smb_filename *smb_fname,
1313                         char *buf,
1314                         size_t bufsiz);
1315 int smb_vfs_call_link(struct vfs_handle_struct *handle,
1316                         const struct smb_filename *old_smb_fname,
1317                         const struct smb_filename *new_smb_fname);
1318 int smb_vfs_call_mknod(struct vfs_handle_struct *handle,
1319                         const struct smb_filename *smb_fname,
1320                         mode_t mode,
1321                         SMB_DEV_T dev);
1322 struct smb_filename *smb_vfs_call_realpath(struct vfs_handle_struct *handle,
1323                         TALLOC_CTX *ctx,
1324                         const struct smb_filename *smb_fname);
1325 int smb_vfs_call_chflags(struct vfs_handle_struct *handle,
1326                         const struct smb_filename *smb_fname,
1327                         unsigned int flags);
1328 struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
1329                                            const SMB_STRUCT_STAT *sbuf);
1330 NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
1331                                  struct files_struct *fsp,
1332                                  const struct smb_filename *smb_fname,
1333                                  TALLOC_CTX *mem_ctx,
1334                                  unsigned int *num_streams,
1335                                  struct stream_struct **streams);
1336 int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
1337                                    const char *path, const char *name,
1338                                    TALLOC_CTX *mem_ctx, char **found_name);
1339 const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
1340                                      const struct smb_filename *smb_fname);
1341 NTSTATUS smb_vfs_call_brl_lock_windows(struct vfs_handle_struct *handle,
1342                                        struct byte_range_lock *br_lck,
1343                                        struct lock_struct *plock,
1344                                        bool blocking_lock);
1345 bool smb_vfs_call_brl_unlock_windows(struct vfs_handle_struct *handle,
1346                                      struct messaging_context *msg_ctx,
1347                                      struct byte_range_lock *br_lck,
1348                                      const struct lock_struct *plock);
1349 bool smb_vfs_call_strict_lock_check(struct vfs_handle_struct *handle,
1350                                     struct files_struct *fsp,
1351                                     struct lock_struct *plock);
1352 NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
1353                                      const char *name,
1354                                      enum vfs_translate_direction direction,
1355                                      TALLOC_CTX *mem_ctx,
1356                                      char **mapped_name);
1357 NTSTATUS smb_vfs_call_fsctl(struct vfs_handle_struct *handle,
1358                             struct files_struct *fsp,
1359                             TALLOC_CTX *ctx,
1360                             uint32_t function,
1361                             uint16_t req_flags,
1362                             const uint8_t *_in_data,
1363                             uint32_t in_len,
1364                             uint8_t **_out_data,
1365                             uint32_t max_out_len,
1366                             uint32_t *out_len);
1367 NTSTATUS smb_vfs_call_get_dos_attributes(struct vfs_handle_struct *handle,
1368                                          struct smb_filename *smb_fname,
1369                                          uint32_t *dosmode);
1370 NTSTATUS smb_vfs_call_fget_dos_attributes(struct vfs_handle_struct *handle,
1371                                           struct files_struct *fsp,
1372                                           uint32_t *dosmode);
1373 NTSTATUS smb_vfs_call_set_dos_attributes(struct vfs_handle_struct *handle,
1374                                          const struct smb_filename *smb_fname,
1375                                          uint32_t dosmode);
1376 NTSTATUS smb_vfs_call_fset_dos_attributes(struct vfs_handle_struct *handle,
1377                                           struct files_struct *fsp,
1378                                           uint32_t dosmode);
1379 struct tevent_req *smb_vfs_call_get_dos_attributes_send(
1380                         TALLOC_CTX *mem_ctx,
1381                         struct tevent_context *ev,
1382                         struct vfs_handle_struct *handle,
1383                         files_struct *dir_fsp,
1384                         struct smb_filename *smb_fname);
1385 NTSTATUS smb_vfs_call_get_dos_attributes_recv(
1386                         struct tevent_req *req,
1387                         struct vfs_aio_state *aio_state,
1388                         uint32_t *dosmode);
1389 struct tevent_req *smb_vfs_call_offload_read_send(
1390         TALLOC_CTX *mem_ctx,
1391         struct tevent_context *ev,
1392         struct vfs_handle_struct *handle,
1393         struct files_struct *fsp,
1394         uint32_t fsctl,
1395         uint32_t ttl,
1396         off_t offset,
1397         size_t to_copy);
1398 NTSTATUS smb_vfs_call_offload_read_recv(struct tevent_req *req,
1399                                         struct vfs_handle_struct *handle,
1400                                         TALLOC_CTX *mem_ctx,
1401                                         DATA_BLOB *token_blob);
1402 struct tevent_req *smb_vfs_call_offload_write_send(struct vfs_handle_struct *handle,
1403                                                    TALLOC_CTX *mem_ctx,
1404                                                    struct tevent_context *ev,
1405                                                    uint32_t fsctl,
1406                                                    DATA_BLOB *token,
1407                                                    off_t transfer_offset,
1408                                                    struct files_struct *dest_fsp,
1409                                                    off_t dest_off,
1410                                                    off_t num);
1411 NTSTATUS smb_vfs_call_offload_write_recv(struct vfs_handle_struct *handle,
1412                                          struct tevent_req *req,
1413                                          off_t *copied);
1414 NTSTATUS smb_vfs_call_get_compression(struct vfs_handle_struct *handle,
1415                                       TALLOC_CTX *mem_ctx,
1416                                       struct files_struct *fsp,
1417                                       struct smb_filename *smb_fname,
1418                                       uint16_t *_compression_fmt);
1419 NTSTATUS smb_vfs_call_set_compression(struct vfs_handle_struct *handle,
1420                                       TALLOC_CTX *mem_ctx,
1421                                       struct files_struct *fsp,
1422                                       uint16_t compression_fmt);
1423 NTSTATUS smb_vfs_call_snap_check_path(vfs_handle_struct *handle,
1424                                       TALLOC_CTX *mem_ctx,
1425                                       const char *service_path,
1426                                       char **base_volume);
1427 NTSTATUS smb_vfs_call_snap_create(struct vfs_handle_struct *handle,
1428                                   TALLOC_CTX *mem_ctx,
1429                                   const char *base_volume,
1430                                   time_t *tstamp,
1431                                   bool rw,
1432                                   char **base_path,
1433                                   char **snap_path);
1434 NTSTATUS smb_vfs_call_snap_delete(struct vfs_handle_struct *handle,
1435                                   TALLOC_CTX *mem_ctx,
1436                                   char *base_path,
1437                                   char *snap_path);
1438 NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
1439                                   struct files_struct *fsp,
1440                                   uint32_t security_info,
1441                                   TALLOC_CTX *mem_ctx,
1442                                   struct security_descriptor **ppdesc);
1443 NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
1444                                  const struct smb_filename *smb_fname,
1445                                  uint32_t security_info,
1446                                  TALLOC_CTX *mem_ctx,
1447                                  struct security_descriptor **ppdesc);
1448 NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
1449                                   struct files_struct *fsp,
1450                                   uint32_t security_info_sent,
1451                                   const struct security_descriptor *psd);
1452 NTSTATUS smb_vfs_call_audit_file(struct vfs_handle_struct *handle,
1453                                  struct smb_filename *file,
1454                                  struct security_acl *sacl,
1455                                  uint32_t access_requested,
1456                                  uint32_t access_denied);
1457 int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle,
1458                                 const struct smb_filename *file,
1459                                 mode_t mode);
1460 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
1461                                         const struct smb_filename *smb_fname,
1462                                         SMB_ACL_TYPE_T type,
1463                                         TALLOC_CTX *mem_ctx);
1464 SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
1465                                       struct files_struct *fsp,
1466                                       TALLOC_CTX *mem_ctx);
1467 int smb_vfs_call_sys_acl_blob_get_file(struct vfs_handle_struct *handle,
1468                                        const struct smb_filename *smb_fname,
1469                                        TALLOC_CTX *mem_ctx,
1470                                        char **blob_description,
1471                                        DATA_BLOB *blob);
1472 int smb_vfs_call_sys_acl_blob_get_fd(struct vfs_handle_struct *handle,
1473                                      struct files_struct *fsp,
1474                                      TALLOC_CTX *mem_ctx,
1475                                      char **blob_description,
1476                                      DATA_BLOB *blob);
1477 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
1478                                 const struct smb_filename *smb_fname,
1479                                 SMB_ACL_TYPE_T acltype,
1480                                 SMB_ACL_T theacl);
1481 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
1482                                 struct files_struct *fsp, SMB_ACL_T theacl);
1483 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
1484                                 const struct smb_filename *smb_fname);
1485 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
1486                                 const struct smb_filename *smb_fname,
1487                                 const char *name,
1488                                 void *value,
1489                                 size_t size);
1490 struct tevent_req *smb_vfs_call_getxattrat_send(
1491                         TALLOC_CTX *mem_ctx,
1492                         struct tevent_context *ev,
1493                         struct vfs_handle_struct *handle,
1494                         files_struct *dir_fsp,
1495                         const struct smb_filename *smb_fname,
1496                         const char *xattr_name,
1497                         size_t alloc_hint);
1498 ssize_t smb_vfs_call_getxattrat_recv(struct tevent_req *req,
1499                                      struct vfs_aio_state *aio_state,
1500                                      TALLOC_CTX *mem_ctx,
1501                                      uint8_t **xattr_value);
1502 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
1503                                struct files_struct *fsp, const char *name,
1504                                void *value, size_t size);
1505 ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
1506                                 const struct smb_filename *smb_fname,
1507                                 char *list,
1508                                 size_t size);
1509 ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
1510                                 struct files_struct *fsp, char *list,
1511                                 size_t size);
1512 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
1513                                 const struct smb_filename *smb_fname,
1514                                 const char *name);
1515 int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
1516                               struct files_struct *fsp, const char *name);
1517 int smb_vfs_call_setxattr(struct vfs_handle_struct *handle,
1518                                 const struct smb_filename *smb_fname,
1519                                 const char *name,
1520                                 const void *value,
1521                                 size_t size,
1522                                 int flags);
1523 int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
1524                            const char *name, const void *value, size_t size,
1525                            int flags);
1526 int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
1527                            struct files_struct *fsp, const char *name,
1528                            const void *value, size_t size, int flags);
1529 bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
1530                             struct files_struct *fsp);
1531 NTSTATUS smb_vfs_call_durable_cookie(struct vfs_handle_struct *handle,
1532                                      struct files_struct *fsp,
1533                                      TALLOC_CTX *mem_ctx,
1534                                      DATA_BLOB *cookie);
1535 NTSTATUS smb_vfs_call_durable_disconnect(struct vfs_handle_struct *handle,
1536                                          struct files_struct *fsp,
1537                                          const DATA_BLOB old_cookie,
1538                                          TALLOC_CTX *mem_ctx,
1539                                          DATA_BLOB *new_cookie);
1540 NTSTATUS smb_vfs_call_durable_reconnect(struct vfs_handle_struct *handle,
1541                                         struct smb_request *smb1req,
1542                                         struct smbXsrv_open *op,
1543                                         const DATA_BLOB old_cookie,
1544                                         TALLOC_CTX *mem_ctx,
1545                                         struct files_struct **fsp,
1546                                         DATA_BLOB *new_cookie);
1547 NTSTATUS smb_vfs_call_readdir_attr(struct vfs_handle_struct *handle,
1548                                    const struct smb_filename *fname,
1549                                    TALLOC_CTX *mem_ctx,
1550                                    struct readdir_attr_data **attr_data);
1551
1552 NTSTATUS smb_register_vfs(int version, const char *name,
1553                           const struct vfs_fn_pointers *fns);
1554 void *vfs_add_fsp_extension_notype(vfs_handle_struct *handle,
1555                                    files_struct *fsp, size_t ext_size,
1556                                    void (*destroy_fn)(void *p_data));
1557 void vfs_remove_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
1558 void vfs_remove_all_fsp_extensions(struct files_struct *fsp);
1559 void *vfs_memctx_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
1560 void *vfs_fetch_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
1561
1562 void smb_vfs_assert_all_fns(const struct vfs_fn_pointers* fns,
1563                             const char *module);
1564
1565 /*
1566  * Helper functions from source3/modules/vfs_not_implemented.c
1567  */
1568 int vfs_not_implemented_connect(
1569                         vfs_handle_struct *handle,
1570                         const char *service,
1571                         const char *user);
1572 void vfs_not_implemented_disconnect(vfs_handle_struct *handle);
1573 uint64_t vfs_not_implemented_disk_free(vfs_handle_struct *handle,
1574                                 const struct smb_filename *smb_fname,
1575                                 uint64_t *bsize,
1576                                 uint64_t *dfree,
1577                                 uint64_t *dsize);
1578 int vfs_not_implemented_get_quota(vfs_handle_struct *handle,
1579                                 const struct smb_filename *smb_fname,
1580                                 enum SMB_QUOTA_TYPE qtype,
1581                                 unid_t id,
1582                                 SMB_DISK_QUOTA *dq);
1583 int vfs_not_implemented_set_quota(vfs_handle_struct *handle,
1584                                   enum SMB_QUOTA_TYPE qtype,
1585                                   unid_t id, SMB_DISK_QUOTA *dq);
1586 int vfs_not_implemented_get_shadow_copy_data(vfs_handle_struct *handle,
1587                                 files_struct *fsp,
1588                                 struct shadow_copy_data *shadow_copy_data,
1589                                 bool labels);
1590 int vfs_not_implemented_statvfs(struct vfs_handle_struct *handle,
1591                                 const struct smb_filename *smb_fname,
1592                                 struct vfs_statvfs_struct *statbuf);
1593 uint32_t vfs_not_implemented_fs_capabilities(struct vfs_handle_struct *handle,
1594                                 enum timestamp_set_resolution *p_ts_res);
1595 NTSTATUS vfs_not_implemented_get_dfs_referrals(struct vfs_handle_struct *handle,
1596                                                struct dfs_GetDFSReferral *r);
1597 DIR *vfs_not_implemented_opendir(vfs_handle_struct *handle,
1598                         const struct smb_filename *smb_fname,
1599                         const char *mask,
1600                         uint32_t attr);
1601 NTSTATUS vfs_not_implemented_snap_check_path(struct vfs_handle_struct *handle,
1602                                 TALLOC_CTX *mem_ctx,
1603                                 const char *service_path,
1604                                 char **base_volume);
1605 NTSTATUS vfs_not_implemented_snap_create(struct vfs_handle_struct *handle,
1606                                          TALLOC_CTX *mem_ctx,
1607                                          const char *base_volume,
1608                                          time_t *tstamp,
1609                                          bool rw,
1610                                          char **base_path,
1611                                          char **snap_path);
1612 NTSTATUS vfs_not_implemented_snap_delete(struct vfs_handle_struct *handle,
1613                                          TALLOC_CTX *mem_ctx,
1614                                          char *base_path,
1615                                          char *snap_path);
1616 DIR *vfs_not_implemented_fdopendir(vfs_handle_struct *handle, files_struct *fsp,
1617                                    const char *mask, uint32_t attr);
1618 struct dirent *vfs_not_implemented_readdir(vfs_handle_struct *handle,
1619                                            DIR *dirp, SMB_STRUCT_STAT *sbuf);
1620 void vfs_not_implemented_seekdir(vfs_handle_struct *handle, DIR *dirp, long offset);
1621 long vfs_not_implemented_telldir(vfs_handle_struct *handle, DIR *dirp);
1622 void vfs_not_implemented_rewind_dir(vfs_handle_struct *handle, DIR *dirp);
1623 int vfs_not_implemented_mkdir(vfs_handle_struct *handle,
1624                 const struct smb_filename *smb_fname,
1625                 mode_t mode);
1626 int vfs_not_implemented_rmdir(vfs_handle_struct *handle,
1627                 const struct smb_filename *smb_fname);
1628 int vfs_not_implemented_closedir(vfs_handle_struct *handle, DIR *dir);
1629 int vfs_not_implemented_open(vfs_handle_struct *handle,
1630                              struct smb_filename *smb_fname,
1631                              files_struct *fsp, int flags, mode_t mode);
1632 NTSTATUS vfs_not_implemented_create_file(struct vfs_handle_struct *handle,
1633                                 struct smb_request *req,
1634                                 uint16_t root_dir_fid,
1635                                 struct smb_filename *smb_fname,
1636                                 uint32_t access_mask,
1637                                 uint32_t share_access,
1638                                 uint32_t create_disposition,
1639                                 uint32_t create_options,
1640                                 uint32_t file_attributes,
1641                                 uint32_t oplock_request,
1642                                 struct smb2_lease *lease,
1643                                 uint64_t allocation_size,
1644                                 uint32_t private_flags,
1645                                 struct security_descriptor *sd,
1646                                 struct ea_list *ea_list,
1647                                 files_struct **result, int *pinfo,
1648                                 const struct smb2_create_blobs *in_context_blobs,
1649                                 struct smb2_create_blobs *out_context_blobs);
1650 int vfs_not_implemented_close_fn(vfs_handle_struct *handle, files_struct *fsp);
1651 ssize_t vfs_not_implemented_pread(vfs_handle_struct *handle, files_struct *fsp,
1652                                   void *data, size_t n, off_t offset);
1653 struct tevent_req *vfs_not_implemented_pread_send(struct vfs_handle_struct *handle,
1654                                                   TALLOC_CTX *mem_ctx,
1655                                                   struct tevent_context *ev,
1656                                                   struct files_struct *fsp,
1657                                                   void *data, size_t n, off_t offset);
1658 ssize_t vfs_not_implemented_pread_recv(struct tevent_req *req,
1659                                        struct vfs_aio_state *vfs_aio_state);
1660 ssize_t vfs_not_implemented_pwrite(vfs_handle_struct *handle, files_struct *fsp,
1661                                    const void *data, size_t n, off_t offset);
1662 struct tevent_req *vfs_not_implemented_pwrite_send(struct vfs_handle_struct *handle,
1663                                                    TALLOC_CTX *mem_ctx,
1664                                                    struct tevent_context *ev,
1665                                                    struct files_struct *fsp,
1666                                                    const void *data,
1667                                                    size_t n, off_t offset);
1668 ssize_t vfs_not_implemented_pwrite_recv(struct tevent_req *req,
1669                                 struct vfs_aio_state *vfs_aio_state);
1670 off_t vfs_not_implemented_lseek(vfs_handle_struct *handle, files_struct *fsp,
1671                         off_t offset, int whence);
1672 ssize_t vfs_not_implemented_sendfile(vfs_handle_struct *handle, int tofd,
1673                                      files_struct *fromfsp, const DATA_BLOB *hdr,
1674                                      off_t offset, size_t n);
1675 ssize_t vfs_not_implemented_recvfile(vfs_handle_struct *handle, int fromfd,
1676                                      files_struct *tofsp, off_t offset, size_t n);
1677 int vfs_not_implemented_rename(vfs_handle_struct *handle,
1678                                const struct smb_filename *smb_fname_src,
1679                                const struct smb_filename *smb_fname_dst);
1680 struct tevent_req *vfs_not_implemented_fsync_send(struct vfs_handle_struct *handle,
1681                                                   TALLOC_CTX *mem_ctx,
1682                                                   struct tevent_context *ev,
1683                                                   struct files_struct *fsp);
1684 int vfs_not_implemented_fsync_recv(struct tevent_req *req,
1685                                    struct vfs_aio_state *vfs_aio_state);
1686 int vfs_not_implemented_stat(vfs_handle_struct *handle, struct smb_filename *smb_fname);
1687 int vfs_not_implemented_fstat(vfs_handle_struct *handle, files_struct *fsp,
1688                         SMB_STRUCT_STAT *sbuf);
1689 int vfs_not_implemented_lstat(vfs_handle_struct *handle,
1690                               struct smb_filename *smb_fname);
1691 uint64_t vfs_not_implemented_get_alloc_size(struct vfs_handle_struct *handle,
1692                                             struct files_struct *fsp,
1693                                             const SMB_STRUCT_STAT *sbuf);
1694 int vfs_not_implemented_unlink(vfs_handle_struct *handle,
1695                                const struct smb_filename *smb_fname);
1696 int vfs_not_implemented_chmod(vfs_handle_struct *handle,
1697                               const struct smb_filename *smb_fname,
1698                               mode_t mode);
1699 int vfs_not_implemented_fchmod(vfs_handle_struct *handle, files_struct *fsp,
1700                                mode_t mode);
1701 int vfs_not_implemented_chown(vfs_handle_struct *handle,
1702                               const struct smb_filename *smb_fname,
1703                               uid_t uid,
1704                               gid_t gid);
1705 int vfs_not_implemented_fchown(vfs_handle_struct *handle, files_struct *fsp,
1706                                uid_t uid, gid_t gid);
1707 int vfs_not_implemented_lchown(vfs_handle_struct *handle,
1708                                const struct smb_filename *smb_fname,
1709                                uid_t uid,
1710                                gid_t gid);
1711 int vfs_not_implemented_chdir(vfs_handle_struct *handle,
1712                               const struct smb_filename *smb_fname);
1713 struct smb_filename *vfs_not_implemented_getwd(vfs_handle_struct *handle,
1714                                                TALLOC_CTX *ctx);
1715 int vfs_not_implemented_ntimes(vfs_handle_struct *handle,
1716                                const struct smb_filename *smb_fname,
1717                                struct smb_file_time *ft);
1718 int vfs_not_implemented_ftruncate(vfs_handle_struct *handle, files_struct *fsp,
1719                                   off_t offset);
1720 int vfs_not_implemented_fallocate(vfs_handle_struct *handle, files_struct *fsp,
1721                                   uint32_t mode, off_t offset, off_t len);
1722 bool vfs_not_implemented_lock(vfs_handle_struct *handle, files_struct *fsp, int op,
1723                               off_t offset, off_t count, int type);
1724 int vfs_not_implemented_kernel_flock(struct vfs_handle_struct *handle,
1725                                      struct files_struct *fsp,
1726                                      uint32_t share_mode, uint32_t access_mask);
1727 int vfs_not_implemented_linux_setlease(struct vfs_handle_struct *handle,
1728                                        struct files_struct *fsp, int leasetype);
1729 bool vfs_not_implemented_getlock(vfs_handle_struct *handle, files_struct *fsp,
1730                                  off_t *poffset, off_t *pcount, int *ptype,
1731                                  pid_t *ppid);
1732 int vfs_not_implemented_symlink(vfs_handle_struct *handle,
1733                                 const char *link_contents,
1734                                 const struct smb_filename *new_smb_fname);
1735 int vfs_not_implemented_vfs_readlink(vfs_handle_struct *handle,
1736                                      const struct smb_filename *smb_fname,
1737                                      char *buf,
1738                                      size_t bufsiz);
1739 int vfs_not_implemented_link(vfs_handle_struct *handle,
1740                              const struct smb_filename *old_smb_fname,
1741                              const struct smb_filename *new_smb_fname);
1742 int vfs_not_implemented_mknod(vfs_handle_struct *handle,
1743                               const struct smb_filename *smb_fname,
1744                               mode_t mode,
1745                               SMB_DEV_T dev);
1746 struct smb_filename *vfs_not_implemented_realpath(vfs_handle_struct *handle,
1747                                                   TALLOC_CTX *ctx,
1748                                                   const struct smb_filename *smb_fname);
1749 int vfs_not_implemented_chflags(vfs_handle_struct *handle,
1750                                 const struct smb_filename *smb_fname,
1751                                 uint flags);
1752 struct file_id vfs_not_implemented_file_id_create(vfs_handle_struct *handle,
1753                                                   const SMB_STRUCT_STAT *sbuf);
1754 struct tevent_req *vfs_not_implemented_offload_read_send(
1755                         TALLOC_CTX *mem_ctx,
1756                         struct tevent_context *ev,
1757                         struct vfs_handle_struct *handle,
1758                         struct files_struct *fsp,
1759                         uint32_t fsctl,
1760                         uint32_t ttl,
1761                         off_t offset,
1762                         size_t to_copy);
1763 NTSTATUS vfs_not_implemented_offload_read_recv(struct tevent_req *req,
1764                                        struct vfs_handle_struct *handle,
1765                                        TALLOC_CTX *mem_ctx,
1766                                        DATA_BLOB *_token_blob);
1767 struct tevent_req *vfs_not_implemented_offload_write_send(
1768                         struct vfs_handle_struct *handle,
1769                         TALLOC_CTX *mem_ctx,
1770                         struct tevent_context *ev,
1771                         uint32_t fsctl,
1772                         DATA_BLOB *token,
1773                         off_t transfer_offset,
1774                         struct files_struct *dest_fsp,
1775                         off_t dest_off,
1776                         off_t num);
1777 NTSTATUS vfs_not_implemented_offload_write_recv(struct vfs_handle_struct *handle,
1778                                                 struct tevent_req *req,
1779                                                 off_t *copied);
1780 NTSTATUS vfs_not_implemented_get_compression(struct vfs_handle_struct *handle,
1781                                              TALLOC_CTX *mem_ctx,
1782                                              struct files_struct *fsp,
1783                                              struct smb_filename *smb_fname,
1784                                              uint16_t *_compression_fmt);
1785 NTSTATUS vfs_not_implemented_set_compression(struct vfs_handle_struct *handle,
1786                                              TALLOC_CTX *mem_ctx,
1787                                              struct files_struct *fsp,
1788                                              uint16_t compression_fmt);
1789 NTSTATUS vfs_not_implemented_streaminfo(struct vfs_handle_struct *handle,
1790                                         struct files_struct *fsp,
1791                                         const struct smb_filename *smb_fname,
1792                                         TALLOC_CTX *mem_ctx,
1793                                         unsigned int *num_streams,
1794                                         struct stream_struct **streams);
1795 int vfs_not_implemented_get_real_filename(struct vfs_handle_struct *handle,
1796                                           const char *path,
1797                                           const char *name,
1798                                           TALLOC_CTX *mem_ctx,
1799                                           char **found_name);
1800 const char *vfs_not_implemented_connectpath(struct vfs_handle_struct *handle,
1801                                             const struct smb_filename *smb_fname);
1802 NTSTATUS vfs_not_implemented_brl_lock_windows(struct vfs_handle_struct *handle,
1803                                               struct byte_range_lock *br_lck,
1804                                               struct lock_struct *plock,
1805                                               bool blocking_lock);
1806 bool vfs_not_implemented_brl_unlock_windows(struct vfs_handle_struct *handle,
1807                                             struct messaging_context *msg_ctx,
1808                                             struct byte_range_lock *br_lck,
1809                                             const struct lock_struct *plock);
1810 bool vfs_not_implemented_strict_lock_check(struct vfs_handle_struct *handle,
1811                                            struct files_struct *fsp,
1812                                            struct lock_struct *plock);
1813 NTSTATUS vfs_not_implemented_translate_name(struct vfs_handle_struct *handle,
1814                                             const char *mapped_name,
1815                                             enum vfs_translate_direction direction,
1816                                             TALLOC_CTX *mem_ctx, char **pmapped_name);
1817 NTSTATUS vfs_not_implemented_fsctl(struct vfs_handle_struct *handle,
1818                                    struct files_struct *fsp,
1819                                    TALLOC_CTX *ctx,
1820                                    uint32_t function,
1821                                    uint16_t req_flags,  /* Needed for UNICODE ... */
1822                                    const uint8_t *_in_data,
1823                                    uint32_t in_len,
1824                                    uint8_t **_out_data,
1825                                    uint32_t max_out_len, uint32_t *out_len);
1826 NTSTATUS vfs_not_implemented_readdir_attr(struct vfs_handle_struct *handle,
1827                                           const struct smb_filename *fname,
1828                                           TALLOC_CTX *mem_ctx,
1829                                           struct readdir_attr_data **pattr_data);
1830 NTSTATUS vfs_not_implemented_get_dos_attributes(struct vfs_handle_struct *handle,
1831                                                 struct smb_filename *smb_fname,
1832                                                 uint32_t *dosmode);
1833 struct tevent_req *vfs_not_implemented_get_dos_attributes_send(
1834                         TALLOC_CTX *mem_ctx,
1835                         struct tevent_context *ev,
1836                         struct vfs_handle_struct *handle,
1837                         files_struct *dir_fsp,
1838                         struct smb_filename *smb_fname);
1839 NTSTATUS vfs_not_implemented_get_dos_attributes_recv(
1840                         struct tevent_req *req,
1841                         struct vfs_aio_state *aio_state,
1842                         uint32_t *dosmode);
1843 NTSTATUS vfs_not_implemented_fget_dos_attributes(struct vfs_handle_struct *handle,
1844                                                  struct files_struct *fsp,
1845                                                  uint32_t *dosmode);
1846 NTSTATUS vfs_not_implemented_set_dos_attributes(struct vfs_handle_struct *handle,
1847                                                 const struct smb_filename *smb_fname,
1848                                                 uint32_t dosmode);
1849 NTSTATUS vfs_not_implemented_fset_dos_attributes(struct vfs_handle_struct *handle,
1850                                                  struct files_struct *fsp,
1851                                                  uint32_t dosmode);
1852 NTSTATUS vfs_not_implemented_fget_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
1853                                          uint32_t security_info,
1854                                          TALLOC_CTX *mem_ctx,
1855                                          struct security_descriptor **ppdesc);
1856 NTSTATUS vfs_not_implemented_get_nt_acl(vfs_handle_struct *handle,
1857                                         const struct smb_filename *smb_fname,
1858                                         uint32_t security_info,
1859                                         TALLOC_CTX *mem_ctx,
1860                                         struct security_descriptor **ppdesc);
1861 NTSTATUS vfs_not_implemented_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
1862                                          uint32_t security_info_sent,
1863                                          const struct security_descriptor *psd);
1864 SMB_ACL_T vfs_not_implemented_sys_acl_get_file(vfs_handle_struct *handle,
1865                                                const struct smb_filename *smb_fname,
1866                                                SMB_ACL_TYPE_T type,
1867                                                TALLOC_CTX *mem_ctx);
1868 SMB_ACL_T vfs_not_implemented_sys_acl_get_fd(vfs_handle_struct *handle,
1869                                              files_struct *fsp, TALLOC_CTX *mem_ctx);
1870 int vfs_not_implemented_sys_acl_blob_get_file(vfs_handle_struct *handle,
1871                                 const struct smb_filename *smb_fname,
1872                                 TALLOC_CTX *mem_ctx,
1873                                 char **blob_description,
1874                                 DATA_BLOB *blob);
1875 int vfs_not_implemented_sys_acl_blob_get_fd(vfs_handle_struct *handle,
1876                                 files_struct *fsp, TALLOC_CTX *mem_ctx,
1877                                 char **blob_description, DATA_BLOB *blob);
1878 int vfs_not_implemented_sys_acl_set_file(vfs_handle_struct *handle,
1879                                 const struct smb_filename *smb_fname,
1880                                 SMB_ACL_TYPE_T acltype,
1881                                 SMB_ACL_T theacl);
1882 int vfs_not_implemented_sys_acl_set_fd(vfs_handle_struct *handle, files_struct *fsp,
1883                                        SMB_ACL_T theacl);
1884 int vfs_not_implemented_sys_acl_delete_def_file(vfs_handle_struct *handle,
1885                                         const struct smb_filename *smb_fname);
1886 ssize_t vfs_not_implemented_getxattr(vfs_handle_struct *handle,
1887                                 const struct smb_filename *smb_fname,
1888                                 const char *name,
1889                                 void *value,
1890                                 size_t size);
1891 struct tevent_req *vfs_not_implemented_getxattrat_send(
1892                         TALLOC_CTX *mem_ctx,
1893                         struct tevent_context *ev,
1894                         struct vfs_handle_struct *handle,
1895                         files_struct *dir_fsp,
1896                         const struct smb_filename *smb_fname,
1897                         const char *xattr_name,
1898                         size_t alloc_hint);
1899 ssize_t vfs_not_implemented_getxattrat_recv(struct tevent_req *req,
1900                                     struct vfs_aio_state *aio_state,
1901                                     TALLOC_CTX *mem_ctx,
1902                                     uint8_t **xattr_value);
1903 ssize_t vfs_not_implemented_fgetxattr(vfs_handle_struct *handle,
1904                               struct files_struct *fsp, const char *name,
1905                               void *value, size_t size);
1906 ssize_t vfs_not_implemented_listxattr(vfs_handle_struct *handle,
1907                                       const struct smb_filename *smb_fname,
1908                                       char *list,
1909                                       size_t size);
1910 ssize_t vfs_not_implemented_flistxattr(vfs_handle_struct *handle,
1911                                        struct files_struct *fsp, char *list,
1912                                        size_t size);
1913 int vfs_not_implemented_removexattr(vfs_handle_struct *handle,
1914                                     const struct smb_filename *smb_fname,
1915                                     const char *name);
1916 int vfs_not_implemented_fremovexattr(vfs_handle_struct *handle,
1917                                      struct files_struct *fsp, const char *name);
1918 int vfs_not_implemented_setxattr(vfs_handle_struct *handle,
1919                                  const struct smb_filename *smb_fname,
1920                                  const char *name,
1921                                  const void *value,
1922                                  size_t size,
1923                                  int flags);
1924 int vfs_not_implemented_fsetxattr(vfs_handle_struct *handle, struct files_struct *fsp,
1925                                   const char *name, const void *value, size_t size,
1926                                   int flags);
1927 bool vfs_not_implemented_aio_force(struct vfs_handle_struct *handle,
1928                                    struct files_struct *fsp);
1929 NTSTATUS vfs_not_implemented_audit_file(struct vfs_handle_struct *handle,
1930                                         struct smb_filename *file,
1931                                         struct security_acl *sacl,
1932                                         uint32_t access_requested,
1933                                         uint32_t access_denied);
1934 NTSTATUS vfs_not_implemented_durable_cookie(struct vfs_handle_struct *handle,
1935                                             struct files_struct *fsp,
1936                                             TALLOC_CTX *mem_ctx,
1937                                             DATA_BLOB *cookie);
1938 NTSTATUS vfs_not_implemented_durable_disconnect(struct vfs_handle_struct *handle,
1939                                                 struct files_struct *fsp,
1940                                                 const DATA_BLOB old_cookie,
1941                                                 TALLOC_CTX *mem_ctx,
1942                                                 DATA_BLOB *new_cookie);
1943 NTSTATUS vfs_not_implemented_durable_reconnect(struct vfs_handle_struct *handle,
1944                                                struct smb_request *smb1req,
1945                                                struct smbXsrv_open *op,
1946                                                const DATA_BLOB old_cookie,
1947                                                TALLOC_CTX *mem_ctx,
1948                                                struct files_struct **fsp,
1949                                                DATA_BLOB *new_cookie);
1950 #endif /* _VFS_H */