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