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 #define SMB_VFS_INTERFACE_VERSION 29
 144
 145 /*
 146     All intercepted VFS operations must be declared as static functions inside module source
 147     in order to keep smbd namespace unpolluted. See source of audit, extd_audit, fake_perms and recycle
 148     example VFS modules for more details.
 149 */
 150
 151 /* VFS operations structure */
 152
 153 struct vfs_handle_struct;
 154 struct connection_struct;
 155 struct files_struct;
 156 struct security_descriptor;
 157 struct vfs_statvfs_struct;
 158 struct smb_request;
 159 struct ea_list;
 160 struct smb_file_time;
 161 struct blocking_lock_record;
 162 struct smb_filename;
 163 struct dfs_GetDFSReferral;
 164
 165 typedef union unid_t {
 166         uid_t uid;
 167         gid_t gid;
 168 } unid_t;
 169
 170 struct fd_handle {
 171         size_t ref_count;
 172         int fd;
 173         uint64_t position_information;
 174         off_t pos;
 175         uint32 private_options; /* NT Create options, but we only look at
 176                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
 177                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB and
 178                                  * NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE
 179                                  * for print files *only*, where
 180                                  * DELETE_ON_CLOSE is not stored in the share
 181                                  * mode database.
 182                                  */
 183         unsigned long gen_id;
 184 };
 185
 186 typedef struct files_struct {
 187         struct files_struct *next, *prev;
 188         int fnum;
 189         struct connection_struct *conn;
 190         struct fd_handle *fh;
 191         unsigned int num_smb_operations;
 192         struct file_id file_id;
 193         uint64_t initial_allocation_size; /* Faked up initial allocation on disk. */
 194         uint16 file_pid;
 195         uint16 vuid;
 196         struct write_cache *wcp;
 197         struct timeval open_time;
 198         uint32 access_mask;             /* NTCreateX access bits (FILE_READ_DATA etc.) */
 199         uint32 share_access;            /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
 200
 201         bool update_write_time_triggered;
 202         struct timed_event *update_write_time_event;
 203         bool update_write_time_on_close;
 204         struct timespec close_write_time;
 205         bool write_time_forced;
 206
 207         int oplock_type;
 208         int sent_oplock_break;
 209         struct timed_event *oplock_timeout;
 210         struct lock_struct last_lock_failure;
 211         int current_lock_count; /* Count the number of outstanding locks and pending locks. */
 212
 213         struct share_mode_entry *pending_break_messages;
 214         int num_pending_break_messages;
 215
 216         bool can_lock;
 217         bool can_read;
 218         bool can_write;
 219         bool modified;
 220         bool is_directory;
 221         bool aio_write_behind;
 222         bool lockdb_clean;
 223         bool initial_delete_on_close; /* Only set at NTCreateX if file was created. */
 224         bool delete_on_close;
 225         bool posix_open;
 226         bool is_sparse;
 227         struct smb_filename *fsp_name;
 228         uint32_t name_hash;             /* Jenkins hash of full pathname. */
 229
 230         struct vfs_fsp_data *vfs_extension;
 231         struct fake_file_handle *fake_file_handle;
 232
 233         struct notify_change_buf *notify;
 234
 235         struct files_struct *base_fsp; /* placeholder for delete on close */
 236
 237         /*
 238          * Read-only cached brlock record, thrown away when the
 239          * brlock.tdb seqnum changes. This avoids fetching data from
 240          * the brlock.tdb on every read/write call.
 241          */
 242         int brlock_seqnum;
 243         struct byte_range_lock *brlock_rec;
 244
 245         struct dptr_struct *dptr;
 246
 247         /* if not NULL, means this is a print file */
 248         struct print_file_data *print_file;
 249
 250 } files_struct;
 251
 252 #define VFS_FIND(__fn__) while (handle->fns->__fn__##_fn==NULL) { \
 253                                 handle = handle->next; \
 254                          }
 255
 256 enum vfs_translate_direction {
 257         vfs_translate_to_unix = 0,
 258         vfs_translate_to_windows
 259 };
 260
 261 enum vfs_fallocate_mode {
 262         VFS_FALLOCATE_EXTEND_SIZE = 0,
 263         VFS_FALLOCATE_KEEP_SIZE = 1
 264 };
 265
 266 /*
 267     Available VFS operations. These values must be in sync with vfs_ops struct
 268     (struct vfs_fn_pointers and struct vfs_handle_pointers inside of struct vfs_ops).
 269     In particular, if new operations are added to vfs_ops, appropriate constants
 270     should be added to vfs_op_type so that order of them kept same as in vfs_ops.
 271 */
 272 struct shadow_copy_data;
 273
 274 struct vfs_fn_pointers {
 275         /* Disk operations */
 276
 277         int (*connect_fn)(struct vfs_handle_struct *handle, const char *service, const char *user);
 278         void (*disconnect_fn)(struct vfs_handle_struct *handle);
 279         uint64_t (*disk_free_fn)(struct vfs_handle_struct *handle, const char *path, bool small_query, uint64_t *bsize,
 280                               uint64_t *dfree, uint64_t *dsize);
 281         int (*get_quota_fn)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
 282         int (*set_quota_fn)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
 283         int (*get_shadow_copy_data_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, struct shadow_copy_data *shadow_copy_data, bool labels);
 284         int (*statvfs_fn)(struct vfs_handle_struct *handle, const char *path, struct vfs_statvfs_struct *statbuf);
 285         uint32_t (*fs_capabilities_fn)(struct vfs_handle_struct *handle, enum timestamp_set_resolution *p_ts_res);
 286
 287         /*
 288          * Note: that "struct dfs_GetDFSReferral *r"
 289          * needs to be a valid TALLOC_CTX
 290          */
 291         NTSTATUS (*get_dfs_referrals_fn)(struct vfs_handle_struct *handle,
 292                                          struct dfs_GetDFSReferral *r);
 293
 294         /* Directory operations */
 295
 296         DIR *(*opendir_fn)(struct vfs_handle_struct *handle, const char *fname, const char *mask, uint32 attributes);
 297         DIR *(*fdopendir_fn)(struct vfs_handle_struct *handle, files_struct *fsp, const char *mask, uint32 attributes);
 298         struct dirent *(*readdir_fn)(struct vfs_handle_struct *handle,
 299                                          DIR *dirp,
 300                                          SMB_STRUCT_STAT *sbuf);
 301         void (*seekdir_fn)(struct vfs_handle_struct *handle, DIR *dirp, long offset);
 302         long (*telldir_fn)(struct vfs_handle_struct *handle, DIR *dirp);
 303         void (*rewind_dir_fn)(struct vfs_handle_struct *handle, DIR *dirp);
 304         int (*mkdir_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
 305         int (*rmdir_fn)(struct vfs_handle_struct *handle, const char *path);
 306         int (*closedir_fn)(struct vfs_handle_struct *handle, DIR *dir);
 307         void (*init_search_op_fn)(struct vfs_handle_struct *handle, DIR *dirp);
 308
 309         /* File operations */
 310
 311         int (*open_fn)(struct vfs_handle_struct *handle,
 312                        struct smb_filename *smb_fname, files_struct *fsp,
 313                        int flags, mode_t mode);
 314         NTSTATUS (*create_file_fn)(struct vfs_handle_struct *handle,
 315                                    struct smb_request *req,
 316                                    uint16_t root_dir_fid,
 317                                    struct smb_filename *smb_fname,
 318                                    uint32_t access_mask,
 319                                    uint32_t share_access,
 320                                    uint32_t create_disposition,
 321                                    uint32_t create_options,
 322                                    uint32_t file_attributes,
 323                                    uint32_t oplock_request,
 324                                    uint64_t allocation_size,
 325                                    uint32_t private_flags,
 326                                    struct security_descriptor *sd,
 327                                    struct ea_list *ea_list,
 328                                    files_struct **result,
 329                                    int *pinfo);
 330         int (*close_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 331         ssize_t (*read_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n);
 332         ssize_t (*pread_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n, off_t offset);
 333         ssize_t (*write_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n);
 334         ssize_t (*pwrite_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n, off_t offset);
 335         off_t (*lseek_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t offset, int whence);
 336         ssize_t (*sendfile_fn)(struct vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *header, off_t offset, size_t count);
 337         ssize_t (*recvfile_fn)(struct vfs_handle_struct *handle, int fromfd, files_struct *tofsp, off_t offset, size_t count);
 338         int (*rename_fn)(struct vfs_handle_struct *handle,
 339                          const struct smb_filename *smb_fname_src,
 340                          const struct smb_filename *smb_fname_dst);
 341         int (*fsync_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 342         int (*stat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_fname);
 343         int (*fstat_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
 344         int (*lstat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_filename);
 345         uint64_t (*get_alloc_size_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_STAT *sbuf);
 346         int (*unlink_fn)(struct vfs_handle_struct *handle,
 347                          const struct smb_filename *smb_fname);
 348         int (*chmod_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
 349         int (*fchmod_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
 350         int (*chown_fn)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
 351         int (*fchown_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, uid_t uid, gid_t gid);
 352         int (*lchown_fn)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
 353         int (*chdir_fn)(struct vfs_handle_struct *handle, const char *path);
 354         char *(*getwd_fn)(struct vfs_handle_struct *handle);
 355         int (*ntimes_fn)(struct vfs_handle_struct *handle,
 356                          const struct smb_filename *smb_fname,
 357                          struct smb_file_time *ft);
 358         int (*ftruncate_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t offset);
 359         int (*fallocate_fn)(struct vfs_handle_struct *handle,
 360                             struct files_struct *fsp,
 361                             enum vfs_fallocate_mode mode,
 362                             off_t offset,
 363                             off_t len);
 364         bool (*lock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, off_t offset, off_t count, int type);
 365         int (*kernel_flock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp,
 366                                uint32 share_mode, uint32_t access_mask);
 367         int (*linux_setlease_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int leasetype);
 368         bool (*getlock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t *poffset, off_t *pcount, int *ptype, pid_t *ppid);
 369         int (*symlink_fn)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
 370         int (*readlink_fn)(struct vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz);
 371         int (*link_fn)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
 372         int (*mknod_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode, SMB_DEV_T dev);
 373         char *(*realpath_fn)(struct vfs_handle_struct *handle, const char *path);
 374         NTSTATUS (*notify_watch_fn)(struct vfs_handle_struct *handle,
 375                                     struct sys_notify_context *ctx,
 376                                     const char *path,
 377                                     uint32_t *filter,
 378                                     uint32_t *subdir_filter,
 379                                     void (*callback)(struct sys_notify_context *ctx,
 380                                                      void *private_data,
 381                                                      struct notify_event *ev),
 382                                     void *private_data,
 383                                     void *handle_p);
 384         int (*chflags_fn)(struct vfs_handle_struct *handle, const char *path, unsigned int flags);
 385         struct file_id (*file_id_create_fn)(struct vfs_handle_struct *handle,
 386                                             const SMB_STRUCT_STAT *sbuf);
 387
 388         NTSTATUS (*streaminfo_fn)(struct vfs_handle_struct *handle,
 389                                   struct files_struct *fsp,
 390                                   const char *fname,
 391                                   TALLOC_CTX *mem_ctx,
 392                                   unsigned int *num_streams,
 393                                   struct stream_struct **streams);
 394
 395         int (*get_real_filename_fn)(struct vfs_handle_struct *handle,
 396                                     const char *path,
 397                                     const char *name,
 398                                     TALLOC_CTX *mem_ctx,
 399                                     char **found_name);
 400
 401         const char *(*connectpath_fn)(struct vfs_handle_struct *handle,
 402                                       const char *filename);
 403
 404         NTSTATUS (*brl_lock_windows_fn)(struct vfs_handle_struct *handle,
 405                                         struct byte_range_lock *br_lck,
 406                                         struct lock_struct *plock,
 407                                         bool blocking_lock,
 408                                         struct blocking_lock_record *blr);
 409
 410         bool (*brl_unlock_windows_fn)(struct vfs_handle_struct *handle,
 411                                       struct messaging_context *msg_ctx,
 412                                       struct byte_range_lock *br_lck,
 413                                       const struct lock_struct *plock);
 414
 415         bool (*brl_cancel_windows_fn)(struct vfs_handle_struct *handle,
 416                                       struct byte_range_lock *br_lck,
 417                                       struct lock_struct *plock,
 418                                       struct blocking_lock_record *blr);
 419
 420         bool (*strict_lock_fn)(struct vfs_handle_struct *handle,
 421                                struct files_struct *fsp,
 422                                struct lock_struct *plock);
 423
 424         void (*strict_unlock_fn)(struct vfs_handle_struct *handle,
 425                                  struct files_struct *fsp,
 426                                  struct lock_struct *plock);
 427
 428         NTSTATUS (*translate_name_fn)(struct vfs_handle_struct *handle,
 429                                       const char *name,
 430                                       enum vfs_translate_direction direction,
 431                                       TALLOC_CTX *mem_ctx,
 432                                       char **mapped_name);
 433
 434         NTSTATUS (*fsctl_fn)(struct vfs_handle_struct *handle,
 435                              struct files_struct *fsp,
 436                              TALLOC_CTX *ctx,
 437                              uint32_t function,
 438                              uint16_t req_flags,
 439                              const uint8_t *_in_data,
 440                              uint32_t in_len,
 441                              uint8_t **_out_data,
 442                              uint32_t max_out_len,
 443                              uint32_t *out_len);
 444
 445         /* NT ACL operations. */
 446
 447         NTSTATUS (*fget_nt_acl_fn)(struct vfs_handle_struct *handle,
 448                                    struct files_struct *fsp,
 449                                    uint32 security_info,
 450                                    struct security_descriptor **ppdesc);
 451         NTSTATUS (*get_nt_acl_fn)(struct vfs_handle_struct *handle,
 452                                   const char *name,
 453                                   uint32 security_info,
 454                                   struct security_descriptor **ppdesc);
 455         NTSTATUS (*fset_nt_acl_fn)(struct vfs_handle_struct *handle,
 456                                    struct files_struct *fsp,
 457                                    uint32 security_info_sent,
 458                                    const struct security_descriptor *psd);
 459
 460         NTSTATUS (*audit_file_fn)(struct vfs_handle_struct *handle,
 461                                   struct smb_filename *file,
 462                                   struct security_acl *sacl,
 463                                   uint32_t access_requested,
 464                                   uint32_t access_denied);
 465
 466         /* POSIX ACL operations. */
 467
 468         int (*chmod_acl_fn)(struct vfs_handle_struct *handle, const char *name, mode_t mode);
 469         int (*fchmod_acl_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
 470
 471         int (*sys_acl_get_entry_fn)(struct vfs_handle_struct *handle, SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p);
 472         int (*sys_acl_get_tag_type_fn)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p);
 473         int (*sys_acl_get_permset_fn)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p);
 474         void * (*sys_acl_get_qualifier_fn)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d);
 475         SMB_ACL_T (*sys_acl_get_file_fn)(struct vfs_handle_struct *handle, const char *path_p, SMB_ACL_TYPE_T type);
 476         SMB_ACL_T (*sys_acl_get_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 477         int (*sys_acl_clear_perms_fn)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset);
 478         int (*sys_acl_add_perm_fn)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm);
 479         char * (*sys_acl_to_text_fn)(struct vfs_handle_struct *handle, SMB_ACL_T theacl, ssize_t *plen);
 480         SMB_ACL_T (*sys_acl_init_fn)(struct vfs_handle_struct *handle, int count);
 481         int (*sys_acl_create_entry_fn)(struct vfs_handle_struct *handle, SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry);
 482         int (*sys_acl_set_tag_type_fn)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype);
 483         int (*sys_acl_set_qualifier_fn)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, void *qual);
 484         int (*sys_acl_set_permset_fn)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset);
 485         int (*sys_acl_valid_fn)(struct vfs_handle_struct *handle, SMB_ACL_T theacl );
 486         int (*sys_acl_set_file_fn)(struct vfs_handle_struct *handle, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl);
 487         int (*sys_acl_set_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_ACL_T theacl);
 488         int (*sys_acl_delete_def_file_fn)(struct vfs_handle_struct *handle, const char *path);
 489         int (*sys_acl_get_perm_fn)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm);
 490         int (*sys_acl_free_text_fn)(struct vfs_handle_struct *handle, char *text);
 491         int (*sys_acl_free_acl_fn)(struct vfs_handle_struct *handle, SMB_ACL_T posix_acl);
 492         int (*sys_acl_free_qualifier_fn)(struct vfs_handle_struct *handle, void *qualifier, SMB_ACL_TAG_T tagtype);
 493
 494         /* EA operations. */
 495         ssize_t (*getxattr_fn)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
 496         ssize_t (*fgetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size);
 497         ssize_t (*listxattr_fn)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
 498         ssize_t (*flistxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size);
 499         int (*removexattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name);
 500         int (*fremovexattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name);
 501         int (*setxattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
 502         int (*fsetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags);
 503
 504         /* aio operations */
 505         int (*aio_read_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 506         int (*aio_write_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 507         ssize_t (*aio_return_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 508         int (*aio_cancel_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 509         int (*aio_error_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 510         int (*aio_fsync_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_STRUCT_AIOCB *aiocb);
 511         int (*aio_suspend_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_AIOCB * const aiocb[], int n, const struct timespec *timeout);
 512         bool (*aio_force_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 513
 514         /* offline operations */
 515         bool (*is_offline_fn)(struct vfs_handle_struct *handle,
 516                            const struct smb_filename *fname,
 517                            SMB_STRUCT_STAT *sbuf);
 518         int (*set_offline_fn)(struct vfs_handle_struct *handle,
 519                            const struct smb_filename *fname);
 520 };
 521
 522 /*
 523     VFS operation description. Each VFS module registers an array of vfs_op_tuple to VFS subsystem,
 524     which describes all operations this module is willing to intercept.
 525     VFS subsystem initializes then the conn->vfs_ops and conn->vfs_opaque_ops structs
 526     using this information.
 527 */
 528
 529 typedef struct vfs_handle_struct {
 530         struct vfs_handle_struct  *next, *prev;
 531         const char *param;
 532         struct connection_struct *conn;
 533         const struct vfs_fn_pointers *fns;
 534         void *data;
 535         void (*free_data)(void **data);
 536 } vfs_handle_struct;
 537
 538
 539 typedef struct vfs_statvfs_struct {
 540         /* For undefined recommended transfer size return -1 in that field */
 541         uint32 OptimalTransferSize;  /* bsize on some os, iosize on other os */
 542         uint32 BlockSize;
 543
 544         /*
 545          The next three fields are in terms of the block size.
 546          (above). If block size is unknown, 4096 would be a
 547          reasonable block size for a server to report.
 548          Note that returning the blocks/blocksavail removes need
 549          to make a second call (to QFSInfo level 0x103 to get this info.
 550          UserBlockAvail is typically less than or equal to BlocksAvail,
 551          if no distinction is made return the same value in each.
 552         */
 553
 554         uint64_t TotalBlocks;
 555         uint64_t BlocksAvail;       /* bfree */
 556         uint64_t UserBlocksAvail;   /* bavail */
 557
 558         /* For undefined Node fields or FSID return -1 */
 559         uint64_t TotalFileNodes;
 560         uint64_t FreeFileNodes;
 561         uint64_t FsIdentifier;   /* fsid */
 562         /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */
 563         /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call   */
 564
 565         int FsCapabilities;
 566 } vfs_statvfs_struct;
 567
 568 /* Add a new FSP extension of the given type. Returns a pointer to the
 569  * extenstion data.
 570  */
 571 #define VFS_ADD_FSP_EXTENSION(handle, fsp, type, destroy_fn)            \
 572     vfs_add_fsp_extension_notype(handle, (fsp), sizeof(type), (destroy_fn))
 573
 574 /* Return a pointer to the existing FSP extension data. */
 575 #define VFS_FETCH_FSP_EXTENSION(handle, fsp) \
 576     vfs_fetch_fsp_extension(handle, (fsp))
 577
 578 /* Return the talloc context associated with an FSP extension. */
 579 #define VFS_MEMCTX_FSP_EXTENSION(handle, fsp) \
 580     vfs_memctx_fsp_extension(handle, (fsp))
 581
 582 /* Remove and destroy an FSP extension. */
 583 #define VFS_REMOVE_FSP_EXTENSION(handle, fsp) \
 584     vfs_remove_fsp_extension((handle), (fsp))
 585
 586 #define SMB_VFS_HANDLE_GET_DATA(handle, datap, type, ret) { \
 587         if (!(handle)||((datap=(type *)(handle)->data)==NULL)) { \
 588                 DEBUG(0,("%s() failed to get vfs_handle->data!\n",__FUNCTION__)); \
 589                 ret; \
 590         } \
 591 }
 592
 593 #define SMB_VFS_HANDLE_SET_DATA(handle, datap, free_fn, type, ret) { \
 594         if (!(handle)) { \
 595                 DEBUG(0,("%s() failed to set handle->data!\n",__FUNCTION__)); \
 596                 ret; \
 597         } else { \
 598                 if ((handle)->free_data) { \
 599                         (handle)->free_data(&(handle)->data); \
 600                 } \
 601                 (handle)->data = (void *)datap; \
 602                 (handle)->free_data = free_fn; \
 603         } \
 604 }
 605
 606 #define SMB_VFS_HANDLE_FREE_DATA(handle) { \
 607         if ((handle) && (handle)->free_data) { \
 608                 (handle)->free_data(&(handle)->data); \
 609         } \
 610 }
 611
 612 /* Check whether module-specific data handle was already allocated or not */
 613 #define SMB_VFS_HANDLE_TEST_DATA(handle)  ( !(handle) || !(handle)->data ? False : True )
 614
 615 #define SMB_VFS_OP(x) ((void *) x)
 616
 617 #define DEFAULT_VFS_MODULE_NAME "/[Default VFS]/"
 618
 619 #include "vfs_macros.h"
 620
 621 int smb_vfs_call_connect(struct vfs_handle_struct *handle,
 622                          const char *service, const char *user);
 623 void smb_vfs_call_disconnect(struct vfs_handle_struct *handle);
 624 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
 625                                 const char *path, bool small_query,
 626                                 uint64_t *bsize, uint64_t *dfree,
 627                                 uint64_t *dsize);
 628 int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
 629                            enum SMB_QUOTA_TYPE qtype, unid_t id,
 630                            SMB_DISK_QUOTA *qt);
 631 int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
 632                            enum SMB_QUOTA_TYPE qtype, unid_t id,
 633                            SMB_DISK_QUOTA *qt);
 634 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
 635                                       struct files_struct *fsp,
 636                                       struct shadow_copy_data *shadow_copy_data,
 637                                       bool labels);
 638 int smb_vfs_call_statvfs(struct vfs_handle_struct *handle, const char *path,
 639                          struct vfs_statvfs_struct *statbuf);
 640 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
 641                                       enum timestamp_set_resolution *p_ts_res);
 642 /*
 643  * Note: that "struct dfs_GetDFSReferral *r" needs to be a valid TALLOC_CTX
 644  */
 645 NTSTATUS smb_vfs_call_get_dfs_referrals(struct vfs_handle_struct *handle,
 646                                         struct dfs_GetDFSReferral *r);
 647 DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
 648                                      const char *fname, const char *mask,
 649                                      uint32 attributes);
 650 DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
 651                                         struct files_struct *fsp,
 652                                         const char *mask,
 653                                         uint32 attributes);
 654 struct dirent *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
 655                                         DIR *dirp,
 656                                         SMB_STRUCT_STAT *sbuf);
 657 void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
 658                           DIR *dirp, long offset);
 659 long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
 660                           DIR *dirp);
 661 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
 662                              DIR *dirp);
 663 int smb_vfs_call_mkdir(struct vfs_handle_struct *handle, const char *path,
 664                        mode_t mode);
 665 int smb_vfs_call_rmdir(struct vfs_handle_struct *handle, const char *path);
 666 int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
 667                           DIR *dir);
 668 void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
 669                                  DIR *dirp);
 670 int smb_vfs_call_open(struct vfs_handle_struct *handle,
 671                       struct smb_filename *smb_fname, struct files_struct *fsp,
 672                       int flags, mode_t mode);
 673 NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
 674                                   struct smb_request *req,
 675                                   uint16_t root_dir_fid,
 676                                   struct smb_filename *smb_fname,
 677                                   uint32_t access_mask,
 678                                   uint32_t share_access,
 679                                   uint32_t create_disposition,
 680                                   uint32_t create_options,
 681                                   uint32_t file_attributes,
 682                                   uint32_t oplock_request,
 683                                   uint64_t allocation_size,
 684                                   uint32_t private_flags,
 685                                   struct security_descriptor *sd,
 686                                   struct ea_list *ea_list,
 687                                   files_struct **result,
 688                                   int *pinfo);
 689 int smb_vfs_call_close(struct vfs_handle_struct *handle,
 690                        struct files_struct *fsp);
 691 ssize_t smb_vfs_call_read(struct vfs_handle_struct *handle,
 692                           struct files_struct *fsp, void *data, size_t n);
 693 ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
 694                            struct files_struct *fsp, void *data, size_t n,
 695                            off_t offset);
 696 ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
 697                            struct files_struct *fsp, const void *data,
 698                            size_t n);
 699 ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
 700                             struct files_struct *fsp, const void *data,
 701                             size_t n, off_t offset);
 702 off_t smb_vfs_call_lseek(struct vfs_handle_struct *handle,
 703                              struct files_struct *fsp, off_t offset,
 704                              int whence);
 705 ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
 706                               files_struct *fromfsp, const DATA_BLOB *header,
 707                               off_t offset, size_t count);
 708 ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
 709                               files_struct *tofsp, off_t offset,
 710                               size_t count);
 711 int smb_vfs_call_rename(struct vfs_handle_struct *handle,
 712                         const struct smb_filename *smb_fname_src,
 713                         const struct smb_filename *smb_fname_dst);
 714 int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
 715                        struct files_struct *fsp);
 716 int smb_vfs_call_stat(struct vfs_handle_struct *handle,
 717                       struct smb_filename *smb_fname);
 718 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
 719                        struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
 720 int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
 721                        struct smb_filename *smb_filename);
 722 uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
 723                                      struct files_struct *fsp,
 724                                      const SMB_STRUCT_STAT *sbuf);
 725 int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
 726                         const struct smb_filename *smb_fname);
 727 int smb_vfs_call_chmod(struct vfs_handle_struct *handle, const char *path,
 728                        mode_t mode);
 729 int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
 730                         struct files_struct *fsp, mode_t mode);
 731 int smb_vfs_call_chown(struct vfs_handle_struct *handle, const char *path,
 732                        uid_t uid, gid_t gid);
 733 int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
 734                         struct files_struct *fsp, uid_t uid, gid_t gid);
 735 int smb_vfs_call_lchown(struct vfs_handle_struct *handle, const char *path,
 736                         uid_t uid, gid_t gid);
 737 int smb_vfs_call_chdir(struct vfs_handle_struct *handle, const char *path);
 738 char *smb_vfs_call_getwd(struct vfs_handle_struct *handle);
 739 int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
 740                         const struct smb_filename *smb_fname,
 741                         struct smb_file_time *ft);
 742 int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
 743                            struct files_struct *fsp, off_t offset);
 744 int smb_vfs_call_fallocate(struct vfs_handle_struct *handle,
 745                         struct files_struct *fsp,
 746                         enum vfs_fallocate_mode mode,
 747                         off_t offset,
 748                         off_t len);
 749 bool smb_vfs_call_lock(struct vfs_handle_struct *handle,
 750                        struct files_struct *fsp, int op, off_t offset,
 751                        off_t count, int type);
 752 int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
 753                               struct files_struct *fsp, uint32 share_mode,
 754                               uint32_t access_mask);
 755 int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
 756                                 struct files_struct *fsp, int leasetype);
 757 bool smb_vfs_call_getlock(struct vfs_handle_struct *handle,
 758                           struct files_struct *fsp, off_t *poffset,
 759                           off_t *pcount, int *ptype, pid_t *ppid);
 760 int smb_vfs_call_symlink(struct vfs_handle_struct *handle, const char *oldpath,
 761                          const char *newpath);
 762 int smb_vfs_call_readlink(struct vfs_handle_struct *handle,
 763                           const char *path, char *buf, size_t bufsiz);
 764 int smb_vfs_call_link(struct vfs_handle_struct *handle, const char *oldpath,
 765                       const char *newpath);
 766 int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
 767                        mode_t mode, SMB_DEV_T dev);
 768 char *smb_vfs_call_realpath(struct vfs_handle_struct *handle, const char *path);
 769 NTSTATUS smb_vfs_call_notify_watch(struct vfs_handle_struct *handle,
 770                                    struct sys_notify_context *ctx,
 771                                    const char *name,
 772                                    uint32_t *filter,
 773                                    uint32_t *subdir_filter,
 774                                    void (*callback)(struct sys_notify_context *ctx,
 775                                                     void *private_data,
 776                                                     struct notify_event *ev),
 777                                    void *private_data, void *handle_p);
 778 int smb_vfs_call_chflags(struct vfs_handle_struct *handle, const char *path,
 779                          unsigned int flags);
 780 struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
 781                                            const SMB_STRUCT_STAT *sbuf);
 782 NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
 783                                  struct files_struct *fsp,
 784                                  const char *fname,
 785                                  TALLOC_CTX *mem_ctx,
 786                                  unsigned int *num_streams,
 787                                  struct stream_struct **streams);
 788 int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
 789                                    const char *path, const char *name,
 790                                    TALLOC_CTX *mem_ctx, char **found_name);
 791 const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
 792                                      const char *filename);
 793 NTSTATUS smb_vfs_call_brl_lock_windows(struct vfs_handle_struct *handle,
 794                                        struct byte_range_lock *br_lck,
 795                                        struct lock_struct *plock,
 796                                        bool blocking_lock,
 797                                        struct blocking_lock_record *blr);
 798 bool smb_vfs_call_brl_unlock_windows(struct vfs_handle_struct *handle,
 799                                      struct messaging_context *msg_ctx,
 800                                      struct byte_range_lock *br_lck,
 801                                      const struct lock_struct *plock);
 802 bool smb_vfs_call_brl_cancel_windows(struct vfs_handle_struct *handle,
 803                                      struct byte_range_lock *br_lck,
 804                                      struct lock_struct *plock,
 805                                      struct blocking_lock_record *blr);
 806 bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
 807                               struct files_struct *fsp,
 808                               struct lock_struct *plock);
 809 void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
 810                                 struct files_struct *fsp,
 811                                 struct lock_struct *plock);
 812 NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
 813                                      const char *name,
 814                                      enum vfs_translate_direction direction,
 815                                      TALLOC_CTX *mem_ctx,
 816                                      char **mapped_name);
 817 NTSTATUS smb_vfs_call_fsctl(struct vfs_handle_struct *handle,
 818                             struct files_struct *fsp,
 819                             TALLOC_CTX *ctx,
 820                             uint32_t function,
 821                             uint16_t req_flags,
 822                             const uint8_t *_in_data,
 823                             uint32_t in_len,
 824                             uint8_t **_out_data,
 825                             uint32_t max_out_len,
 826                             uint32_t *out_len);
 827 NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
 828                                   struct files_struct *fsp,
 829                                   uint32 security_info,
 830                                   struct security_descriptor **ppdesc);
 831 NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
 832                                  const char *name,
 833                                  uint32 security_info,
 834                                  struct security_descriptor **ppdesc);
 835 NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
 836                                   struct files_struct *fsp,
 837                                   uint32 security_info_sent,
 838                                   const struct security_descriptor *psd);
 839 NTSTATUS smb_vfs_call_audit_file(struct vfs_handle_struct *handle,
 840                                  struct smb_filename *file,
 841                                  struct security_acl *sacl,
 842                                  uint32_t access_requested,
 843                                  uint32_t access_denied);
 844 int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle, const char *name,
 845                            mode_t mode);
 846 int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
 847                             struct files_struct *fsp, mode_t mode);
 848 int smb_vfs_call_sys_acl_get_entry(struct vfs_handle_struct *handle,
 849                                    SMB_ACL_T theacl, int entry_id,
 850                                    SMB_ACL_ENTRY_T *entry_p);
 851 int smb_vfs_call_sys_acl_get_tag_type(struct vfs_handle_struct *handle,
 852                                       SMB_ACL_ENTRY_T entry_d,
 853                                       SMB_ACL_TAG_T *tag_type_p);
 854 int smb_vfs_call_sys_acl_get_permset(struct vfs_handle_struct *handle,
 855                                      SMB_ACL_ENTRY_T entry_d,
 856                                      SMB_ACL_PERMSET_T *permset_p);
 857 void * smb_vfs_call_sys_acl_get_qualifier(struct vfs_handle_struct *handle,
 858                                           SMB_ACL_ENTRY_T entry_d);
 859 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
 860                                         const char *path_p,
 861                                         SMB_ACL_TYPE_T type);
 862 SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
 863                                       struct files_struct *fsp);
 864 int smb_vfs_call_sys_acl_clear_perms(struct vfs_handle_struct *handle,
 865                                      SMB_ACL_PERMSET_T permset);
 866 int smb_vfs_call_sys_acl_add_perm(struct vfs_handle_struct *handle,
 867                                   SMB_ACL_PERMSET_T permset,
 868                                   SMB_ACL_PERM_T perm);
 869 char * smb_vfs_call_sys_acl_to_text(struct vfs_handle_struct *handle,
 870                                     SMB_ACL_T theacl, ssize_t *plen);
 871 SMB_ACL_T smb_vfs_call_sys_acl_init(struct vfs_handle_struct *handle,
 872                                     int count);
 873 int smb_vfs_call_sys_acl_create_entry(struct vfs_handle_struct *handle,
 874                                       SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry);
 875 int smb_vfs_call_sys_acl_set_tag_type(struct vfs_handle_struct *handle,
 876                                       SMB_ACL_ENTRY_T entry,
 877                                       SMB_ACL_TAG_T tagtype);
 878 int smb_vfs_call_sys_acl_set_qualifier(struct vfs_handle_struct *handle,
 879                                        SMB_ACL_ENTRY_T entry, void *qual);
 880 int smb_vfs_call_sys_acl_set_permset(struct vfs_handle_struct *handle,
 881                                      SMB_ACL_ENTRY_T entry,
 882                                      SMB_ACL_PERMSET_T permset);
 883 int smb_vfs_call_sys_acl_valid(struct vfs_handle_struct *handle,
 884                                SMB_ACL_T theacl);
 885 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
 886                                   const char *name, SMB_ACL_TYPE_T acltype,
 887                                   SMB_ACL_T theacl);
 888 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
 889                                 struct files_struct *fsp, SMB_ACL_T theacl);
 890 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
 891                                          const char *path);
 892 int smb_vfs_call_sys_acl_get_perm(struct vfs_handle_struct *handle,
 893                                   SMB_ACL_PERMSET_T permset,
 894                                   SMB_ACL_PERM_T perm);
 895 int smb_vfs_call_sys_acl_free_text(struct vfs_handle_struct *handle,
 896                                    char *text);
 897 int smb_vfs_call_sys_acl_free_acl(struct vfs_handle_struct *handle,
 898                                   SMB_ACL_T posix_acl);
 899 int smb_vfs_call_sys_acl_free_qualifier(struct vfs_handle_struct *handle,
 900                                         void *qualifier, SMB_ACL_TAG_T tagtype);
 901 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
 902                               const char *path, const char *name, void *value,
 903                               size_t size);
 904 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
 905                                struct files_struct *fsp, const char *name,
 906                                void *value, size_t size);
 907 ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
 908                                const char *path, char *list, size_t size);
 909 ssize_t smb_vfs_call_llistxattr(struct vfs_handle_struct *handle,
 910                                 const char *path, char *list, size_t size);
 911 ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
 912                                 struct files_struct *fsp, char *list,
 913                                 size_t size);
 914 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
 915                              const char *path, const char *name);
 916 int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
 917                               struct files_struct *fsp, const char *name);
 918 int smb_vfs_call_setxattr(struct vfs_handle_struct *handle, const char *path,
 919                           const char *name, const void *value, size_t size,
 920                           int flags);
 921 int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
 922                            const char *name, const void *value, size_t size,
 923                            int flags);
 924 int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
 925                            struct files_struct *fsp, const char *name,
 926                            const void *value, size_t size, int flags);
 927 int smb_vfs_call_aio_read(struct vfs_handle_struct *handle,
 928                           struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 929 int smb_vfs_call_aio_write(struct vfs_handle_struct *handle,
 930                            struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 931 ssize_t smb_vfs_call_aio_return(struct vfs_handle_struct *handle,
 932                                 struct files_struct *fsp,
 933                                 SMB_STRUCT_AIOCB *aiocb);
 934 int smb_vfs_call_aio_cancel(struct vfs_handle_struct *handle,
 935                             struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 936 int smb_vfs_call_aio_error(struct vfs_handle_struct *handle,
 937                            struct files_struct *fsp,
 938                            SMB_STRUCT_AIOCB *aiocb);
 939 int smb_vfs_call_aio_fsync(struct vfs_handle_struct *handle,
 940                            struct files_struct *fsp, int op,
 941                            SMB_STRUCT_AIOCB *aiocb);
 942 int smb_vfs_call_aio_suspend(struct vfs_handle_struct *handle,
 943                              struct files_struct *fsp,
 944                              const SMB_STRUCT_AIOCB * const aiocb[], int n,
 945                              const struct timespec *timeout);
 946 bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
 947                             struct files_struct *fsp);
 948 bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
 949                              const struct smb_filename *fname,
 950                              SMB_STRUCT_STAT *sbuf);
 951 int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
 952                              const struct smb_filename *fname);
 953
 954 #endif /* _VFS_H */