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