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 #define SMB_VFS_INTERFACE_VERSION 29
 142
 143 /*
 144     All intercepted VFS operations must be declared as static functions inside module source
 145     in order to keep smbd namespace unpolluted. See source of audit, extd_audit, fake_perms and recycle
 146     example VFS modules for more details.
 147 */
 148
 149 /* VFS operations structure */
 150
 151 struct vfs_handle_struct;
 152 struct connection_struct;
 153 struct files_struct;
 154 struct security_descriptor;
 155 struct vfs_statvfs_struct;
 156 struct smb_request;
 157 struct ea_list;
 158 struct smb_file_time;
 159 struct blocking_lock_record;
 160 struct smb_filename;
 161 struct dfs_GetDFSReferral;
 162
 163 #define VFS_FIND(__fn__) while (handle->fns->__fn__==NULL) { \
 164                                 handle = handle->next; \
 165                          }
 166
 167 enum vfs_translate_direction {
 168         vfs_translate_to_unix = 0,
 169         vfs_translate_to_windows
 170 };
 171
 172 enum vfs_fallocate_mode {
 173         VFS_FALLOCATE_EXTEND_SIZE = 0,
 174         VFS_FALLOCATE_KEEP_SIZE = 1
 175 };
 176
 177 /*
 178     Available VFS operations. These values must be in sync with vfs_ops struct
 179     (struct vfs_fn_pointers and struct vfs_handle_pointers inside of struct vfs_ops).
 180     In particular, if new operations are added to vfs_ops, appropriate constants
 181     should be added to vfs_op_type so that order of them kept same as in vfs_ops.
 182 */
 183 struct shadow_copy_data;
 184
 185 struct vfs_fn_pointers {
 186         /* Disk operations */
 187
 188         int (*connect_fn)(struct vfs_handle_struct *handle, const char *service, const char *user);
 189         void (*disconnect)(struct vfs_handle_struct *handle);
 190         uint64_t (*disk_free)(struct vfs_handle_struct *handle, const char *path, bool small_query, uint64_t *bsize,
 191                               uint64_t *dfree, uint64_t *dsize);
 192         int (*get_quota)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
 193         int (*set_quota)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
 194         int (*get_shadow_copy_data)(struct vfs_handle_struct *handle, struct files_struct *fsp, struct shadow_copy_data *shadow_copy_data, bool labels);
 195         int (*statvfs)(struct vfs_handle_struct *handle, const char *path, struct vfs_statvfs_struct *statbuf);
 196         uint32_t (*fs_capabilities)(struct vfs_handle_struct *handle, enum timestamp_set_resolution *p_ts_res);
 197
 198         /*
 199          * Note: that "struct dfs_GetDFSReferral *r"
 200          * needs to be a valid TALLOC_CTX
 201          */
 202         NTSTATUS (*get_dfs_referrals)(struct vfs_handle_struct *handle,
 203                                       struct dfs_GetDFSReferral *r);
 204
 205         /* Directory operations */
 206
 207         SMB_STRUCT_DIR *(*opendir)(struct vfs_handle_struct *handle, const char *fname, const char *mask, uint32 attributes);
 208         SMB_STRUCT_DIR *(*fdopendir)(struct vfs_handle_struct *handle, files_struct *fsp, const char *mask, uint32 attributes);
 209         SMB_STRUCT_DIRENT *(*readdir)(struct vfs_handle_struct *handle,
 210                                       SMB_STRUCT_DIR *dirp,
 211                                       SMB_STRUCT_STAT *sbuf);
 212         void (*seekdir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp, long offset);
 213         long (*telldir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
 214         void (*rewind_dir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
 215         int (*mkdir)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
 216         int (*rmdir)(struct vfs_handle_struct *handle, const char *path);
 217         int (*closedir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dir);
 218         void (*init_search_op)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
 219
 220         /* File operations */
 221
 222         int (*open_fn)(struct vfs_handle_struct *handle,
 223                        struct smb_filename *smb_fname, files_struct *fsp,
 224                        int flags, mode_t mode);
 225         NTSTATUS (*create_file)(struct vfs_handle_struct *handle,
 226                                 struct smb_request *req,
 227                                 uint16_t root_dir_fid,
 228                                 struct smb_filename *smb_fname,
 229                                 uint32_t access_mask,
 230                                 uint32_t share_access,
 231                                 uint32_t create_disposition,
 232                                 uint32_t create_options,
 233                                 uint32_t file_attributes,
 234                                 uint32_t oplock_request,
 235                                 uint64_t allocation_size,
 236                                 uint32_t private_flags,
 237                                 struct security_descriptor *sd,
 238                                 struct ea_list *ea_list,
 239                                 files_struct **result,
 240                                 int *pinfo);
 241         int (*close_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 242         ssize_t (*vfs_read)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n);
 243         ssize_t (*pread)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n, SMB_OFF_T offset);
 244         ssize_t (*write)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n);
 245         ssize_t (*pwrite)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n, SMB_OFF_T offset);
 246         SMB_OFF_T (*lseek)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T offset, int whence);
 247         ssize_t (*sendfile)(struct vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *header, SMB_OFF_T offset, size_t count);
 248         ssize_t (*recvfile)(struct vfs_handle_struct *handle, int fromfd, files_struct *tofsp, SMB_OFF_T offset, size_t count);
 249         int (*rename)(struct vfs_handle_struct *handle,
 250                       const struct smb_filename *smb_fname_src,
 251                       const struct smb_filename *smb_fname_dst);
 252         int (*fsync)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 253         int (*stat)(struct vfs_handle_struct *handle, struct smb_filename *smb_fname);
 254         int (*fstat)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
 255         int (*lstat)(struct vfs_handle_struct *handle, struct smb_filename *smb_filename);
 256         uint64_t (*get_alloc_size)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_STAT *sbuf);
 257         int (*unlink)(struct vfs_handle_struct *handle,
 258                       const struct smb_filename *smb_fname);
 259         int (*chmod)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
 260         int (*fchmod)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
 261         int (*chown)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
 262         int (*fchown)(struct vfs_handle_struct *handle, struct files_struct *fsp, uid_t uid, gid_t gid);
 263         int (*lchown)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
 264         int (*chdir)(struct vfs_handle_struct *handle, const char *path);
 265         char *(*getwd)(struct vfs_handle_struct *handle);
 266         int (*ntimes)(struct vfs_handle_struct *handle,
 267                       const struct smb_filename *smb_fname,
 268                       struct smb_file_time *ft);
 269         int (*ftruncate)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T offset);
 270         int (*fallocate)(struct vfs_handle_struct *handle,
 271                                 struct files_struct *fsp,
 272                                 enum vfs_fallocate_mode mode,
 273                                 SMB_OFF_T offset,
 274                                 SMB_OFF_T len);
 275         bool (*lock)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_OFF_T offset, SMB_OFF_T count, int type);
 276         int (*kernel_flock)(struct vfs_handle_struct *handle, struct files_struct *fsp,
 277                             uint32 share_mode, uint32_t access_mask);
 278         int (*linux_setlease)(struct vfs_handle_struct *handle, struct files_struct *fsp, int leasetype);
 279         bool (*getlock)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T *poffset, SMB_OFF_T *pcount, int *ptype, pid_t *ppid);
 280         int (*symlink)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
 281         int (*vfs_readlink)(struct vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz);
 282         int (*link)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
 283         int (*mknod)(struct vfs_handle_struct *handle, const char *path, mode_t mode, SMB_DEV_T dev);
 284         char *(*realpath)(struct vfs_handle_struct *handle, const char *path);
 285         NTSTATUS (*notify_watch)(struct vfs_handle_struct *handle,
 286                                  struct sys_notify_context *ctx,
 287                                  struct notify_entry *e,
 288                                  void (*callback)(struct sys_notify_context *ctx,
 289                                                   void *private_data,
 290                                                   struct notify_event *ev),
 291                                  void *private_data, void *handle_p);
 292         int (*chflags)(struct vfs_handle_struct *handle, const char *path, unsigned int flags);
 293         struct file_id (*file_id_create)(struct vfs_handle_struct *handle,
 294                                          const SMB_STRUCT_STAT *sbuf);
 295
 296         NTSTATUS (*streaminfo)(struct vfs_handle_struct *handle,
 297                                struct files_struct *fsp,
 298                                const char *fname,
 299                                TALLOC_CTX *mem_ctx,
 300                                unsigned int *num_streams,
 301                                struct stream_struct **streams);
 302
 303         int (*get_real_filename)(struct vfs_handle_struct *handle,
 304                                  const char *path,
 305                                  const char *name,
 306                                  TALLOC_CTX *mem_ctx,
 307                                  char **found_name);
 308
 309         const char *(*connectpath)(struct vfs_handle_struct *handle,
 310                                    const char *filename);
 311
 312         NTSTATUS (*brl_lock_windows)(struct vfs_handle_struct *handle,
 313                                      struct byte_range_lock *br_lck,
 314                                      struct lock_struct *plock,
 315                                      bool blocking_lock,
 316                                      struct blocking_lock_record *blr);
 317
 318         bool (*brl_unlock_windows)(struct vfs_handle_struct *handle,
 319                                    struct messaging_context *msg_ctx,
 320                                    struct byte_range_lock *br_lck,
 321                                    const struct lock_struct *plock);
 322
 323         bool (*brl_cancel_windows)(struct vfs_handle_struct *handle,
 324                                    struct byte_range_lock *br_lck,
 325                                    struct lock_struct *plock,
 326                                    struct blocking_lock_record *blr);
 327
 328         bool (*strict_lock)(struct vfs_handle_struct *handle,
 329                             struct files_struct *fsp,
 330                             struct lock_struct *plock);
 331
 332         void (*strict_unlock)(struct vfs_handle_struct *handle,
 333                               struct files_struct *fsp,
 334                               struct lock_struct *plock);
 335
 336         NTSTATUS (*translate_name)(struct vfs_handle_struct *handle,
 337                                    const char *name,
 338                                    enum vfs_translate_direction direction,
 339                                    TALLOC_CTX *mem_ctx,
 340                                    char **mapped_name);
 341
 342         NTSTATUS (*fsctl)(struct vfs_handle_struct *handle,
 343                           struct files_struct *fsp,
 344                           TALLOC_CTX *ctx,
 345                           uint32_t function,
 346                           uint16_t req_flags,
 347                           const uint8_t *_in_data,
 348                           uint32_t in_len,
 349                           uint8_t **_out_data,
 350                           uint32_t max_out_len,
 351                           uint32_t *out_len);
 352
 353         /* NT ACL operations. */
 354
 355         NTSTATUS (*fget_nt_acl)(struct vfs_handle_struct *handle,
 356                                 struct files_struct *fsp,
 357                                 uint32 security_info,
 358                                 struct security_descriptor **ppdesc);
 359         NTSTATUS (*get_nt_acl)(struct vfs_handle_struct *handle,
 360                                const char *name,
 361                                uint32 security_info,
 362                                struct security_descriptor **ppdesc);
 363         NTSTATUS (*fset_nt_acl)(struct vfs_handle_struct *handle,
 364                                 struct files_struct *fsp,
 365                                 uint32 security_info_sent,
 366                                 const struct security_descriptor *psd);
 367
 368         /* POSIX ACL operations. */
 369
 370         int (*chmod_acl)(struct vfs_handle_struct *handle, const char *name, mode_t mode);
 371         int (*fchmod_acl)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
 372
 373         int (*sys_acl_get_entry)(struct vfs_handle_struct *handle, SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p);
 374         int (*sys_acl_get_tag_type)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p);
 375         int (*sys_acl_get_permset)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p);
 376         void * (*sys_acl_get_qualifier)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d);
 377         SMB_ACL_T (*sys_acl_get_file)(struct vfs_handle_struct *handle, const char *path_p, SMB_ACL_TYPE_T type);
 378         SMB_ACL_T (*sys_acl_get_fd)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 379         int (*sys_acl_clear_perms)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset);
 380         int (*sys_acl_add_perm)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm);
 381         char * (*sys_acl_to_text)(struct vfs_handle_struct *handle, SMB_ACL_T theacl, ssize_t *plen);
 382         SMB_ACL_T (*sys_acl_init)(struct vfs_handle_struct *handle, int count);
 383         int (*sys_acl_create_entry)(struct vfs_handle_struct *handle, SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry);
 384         int (*sys_acl_set_tag_type)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype);
 385         int (*sys_acl_set_qualifier)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, void *qual);
 386         int (*sys_acl_set_permset)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset);
 387         int (*sys_acl_valid)(struct vfs_handle_struct *handle, SMB_ACL_T theacl );
 388         int (*sys_acl_set_file)(struct vfs_handle_struct *handle, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl);
 389         int (*sys_acl_set_fd)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_ACL_T theacl);
 390         int (*sys_acl_delete_def_file)(struct vfs_handle_struct *handle, const char *path);
 391         int (*sys_acl_get_perm)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm);
 392         int (*sys_acl_free_text)(struct vfs_handle_struct *handle, char *text);
 393         int (*sys_acl_free_acl)(struct vfs_handle_struct *handle, SMB_ACL_T posix_acl);
 394         int (*sys_acl_free_qualifier)(struct vfs_handle_struct *handle, void *qualifier, SMB_ACL_TAG_T tagtype);
 395
 396         /* EA operations. */
 397         ssize_t (*getxattr)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
 398         ssize_t (*lgetxattr)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
 399         ssize_t (*fgetxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size);
 400         ssize_t (*listxattr)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
 401         ssize_t (*llistxattr)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
 402         ssize_t (*flistxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size);
 403         int (*removexattr)(struct vfs_handle_struct *handle, const char *path, const char *name);
 404         int (*lremovexattr)(struct vfs_handle_struct *handle, const char *path, const char *name);
 405         int (*fremovexattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name);
 406         int (*setxattr)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
 407         int (*lsetxattr)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
 408         int (*fsetxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags);
 409
 410         /* aio operations */
 411         int (*aio_read)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 412         int (*aio_write)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 413         ssize_t (*aio_return_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 414         int (*aio_cancel)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 415         int (*aio_error_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 416         int (*aio_fsync)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_STRUCT_AIOCB *aiocb);
 417         int (*aio_suspend)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_AIOCB * const aiocb[], int n, const struct timespec *timeout);
 418         bool (*aio_force)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 419
 420         /* offline operations */
 421         bool (*is_offline)(struct vfs_handle_struct *handle,
 422                            const struct smb_filename *fname,
 423                            SMB_STRUCT_STAT *sbuf);
 424         int (*set_offline)(struct vfs_handle_struct *handle,
 425                            const struct smb_filename *fname);
 426 };
 427
 428 /*
 429     VFS operation description. Each VFS module registers an array of vfs_op_tuple to VFS subsystem,
 430     which describes all operations this module is willing to intercept.
 431     VFS subsystem initializes then the conn->vfs_ops and conn->vfs_opaque_ops structs
 432     using this information.
 433 */
 434
 435 typedef struct vfs_handle_struct {
 436         struct vfs_handle_struct  *next, *prev;
 437         const char *param;
 438         struct connection_struct *conn;
 439         const struct vfs_fn_pointers *fns;
 440         void *data;
 441         void (*free_data)(void **data);
 442 } vfs_handle_struct;
 443
 444
 445 typedef struct vfs_statvfs_struct {
 446         /* For undefined recommended transfer size return -1 in that field */
 447         uint32 OptimalTransferSize;  /* bsize on some os, iosize on other os */
 448         uint32 BlockSize;
 449
 450         /*
 451          The next three fields are in terms of the block size.
 452          (above). If block size is unknown, 4096 would be a
 453          reasonable block size for a server to report.
 454          Note that returning the blocks/blocksavail removes need
 455          to make a second call (to QFSInfo level 0x103 to get this info.
 456          UserBlockAvail is typically less than or equal to BlocksAvail,
 457          if no distinction is made return the same value in each.
 458         */
 459
 460         uint64_t TotalBlocks;
 461         uint64_t BlocksAvail;       /* bfree */
 462         uint64_t UserBlocksAvail;   /* bavail */
 463
 464         /* For undefined Node fields or FSID return -1 */
 465         uint64_t TotalFileNodes;
 466         uint64_t FreeFileNodes;
 467         uint64_t FsIdentifier;   /* fsid */
 468         /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */
 469         /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call   */
 470
 471         int FsCapabilities;
 472 } vfs_statvfs_struct;
 473
 474 /* Add a new FSP extension of the given type. Returns a pointer to the
 475  * extenstion data.
 476  */
 477 #define VFS_ADD_FSP_EXTENSION(handle, fsp, type, destroy_fn)            \
 478     vfs_add_fsp_extension_notype(handle, (fsp), sizeof(type), (destroy_fn))
 479
 480 /* Return a pointer to the existing FSP extension data. */
 481 #define VFS_FETCH_FSP_EXTENSION(handle, fsp) \
 482     vfs_fetch_fsp_extension(handle, (fsp))
 483
 484 /* Return the talloc context associated with an FSP extension. */
 485 #define VFS_MEMCTX_FSP_EXTENSION(handle, fsp) \
 486     vfs_memctx_fsp_extension(handle, (fsp))
 487
 488 /* Remove and destroy an FSP extension. */
 489 #define VFS_REMOVE_FSP_EXTENSION(handle, fsp) \
 490     vfs_remove_fsp_extension((handle), (fsp))
 491
 492 #define SMB_VFS_HANDLE_GET_DATA(handle, datap, type, ret) { \
 493         if (!(handle)||((datap=(type *)(handle)->data)==NULL)) { \
 494                 DEBUG(0,("%s() failed to get vfs_handle->data!\n",__FUNCTION__)); \
 495                 ret; \
 496         } \
 497 }
 498
 499 #define SMB_VFS_HANDLE_SET_DATA(handle, datap, free_fn, type, ret) { \
 500         if (!(handle)) { \
 501                 DEBUG(0,("%s() failed to set handle->data!\n",__FUNCTION__)); \
 502                 ret; \
 503         } else { \
 504                 if ((handle)->free_data) { \
 505                         (handle)->free_data(&(handle)->data); \
 506                 } \
 507                 (handle)->data = (void *)datap; \
 508                 (handle)->free_data = free_fn; \
 509         } \
 510 }
 511
 512 #define SMB_VFS_HANDLE_FREE_DATA(handle) { \
 513         if ((handle) && (handle)->free_data) { \
 514                 (handle)->free_data(&(handle)->data); \
 515         } \
 516 }
 517
 518 /* Check whether module-specific data handle was already allocated or not */
 519 #define SMB_VFS_HANDLE_TEST_DATA(handle)  ( !(handle) || !(handle)->data ? False : True )
 520
 521 #define SMB_VFS_OP(x) ((void *) x)
 522
 523 #define DEFAULT_VFS_MODULE_NAME "/[Default VFS]/"
 524
 525 #include "vfs_macros.h"
 526
 527 int smb_vfs_call_connect(struct vfs_handle_struct *handle,
 528                          const char *service, const char *user);
 529 void smb_vfs_call_disconnect(struct vfs_handle_struct *handle);
 530 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
 531                                 const char *path, bool small_query,
 532                                 uint64_t *bsize, uint64_t *dfree,
 533                                 uint64_t *dsize);
 534 int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
 535                            enum SMB_QUOTA_TYPE qtype, unid_t id,
 536                            SMB_DISK_QUOTA *qt);
 537 int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
 538                            enum SMB_QUOTA_TYPE qtype, unid_t id,
 539                            SMB_DISK_QUOTA *qt);
 540 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
 541                                       struct files_struct *fsp,
 542                                       struct shadow_copy_data *shadow_copy_data,
 543                                       bool labels);
 544 int smb_vfs_call_statvfs(struct vfs_handle_struct *handle, const char *path,
 545                          struct vfs_statvfs_struct *statbuf);
 546 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
 547                         enum timestamp_set_resolution *p_ts_res);
 548 /*
 549  * Note: that "struct dfs_GetDFSReferral *r" needs to be a valid TALLOC_CTX
 550  */
 551 NTSTATUS smb_vfs_call_get_dfs_referrals(struct vfs_handle_struct *handle,
 552                                         struct dfs_GetDFSReferral *r);
 553 SMB_STRUCT_DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
 554                                      const char *fname, const char *mask,
 555                                      uint32 attributes);
 556 SMB_STRUCT_DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
 557                                         struct files_struct *fsp,
 558                                         const char *mask,
 559                                         uint32 attributes);
 560 SMB_STRUCT_DIRENT *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
 561                                         SMB_STRUCT_DIR *dirp,
 562                                         SMB_STRUCT_STAT *sbuf);
 563 void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
 564                           SMB_STRUCT_DIR *dirp, long offset);
 565 long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
 566                           SMB_STRUCT_DIR *dirp);
 567 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
 568                              SMB_STRUCT_DIR *dirp);
 569 int smb_vfs_call_mkdir(struct vfs_handle_struct *handle, const char *path,
 570                        mode_t mode);
 571 int smb_vfs_call_rmdir(struct vfs_handle_struct *handle, const char *path);
 572 int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
 573                           SMB_STRUCT_DIR *dir);
 574 void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
 575                                  SMB_STRUCT_DIR *dirp);
 576 int smb_vfs_call_open(struct vfs_handle_struct *handle,
 577                       struct smb_filename *smb_fname, struct files_struct *fsp,
 578                       int flags, mode_t mode);
 579 NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
 580                                   struct smb_request *req,
 581                                   uint16_t root_dir_fid,
 582                                   struct smb_filename *smb_fname,
 583                                   uint32_t access_mask,
 584                                   uint32_t share_access,
 585                                   uint32_t create_disposition,
 586                                   uint32_t create_options,
 587                                   uint32_t file_attributes,
 588                                   uint32_t oplock_request,
 589                                   uint64_t allocation_size,
 590                                   uint32_t private_flags,
 591                                   struct security_descriptor *sd,
 592                                   struct ea_list *ea_list,
 593                                   files_struct **result,
 594                                   int *pinfo);
 595 int smb_vfs_call_close_fn(struct vfs_handle_struct *handle,
 596                           struct files_struct *fsp);
 597 ssize_t smb_vfs_call_vfs_read(struct vfs_handle_struct *handle,
 598                               struct files_struct *fsp, void *data, size_t n);
 599 ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
 600                            struct files_struct *fsp, void *data, size_t n,
 601                            SMB_OFF_T offset);
 602 ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
 603                            struct files_struct *fsp, const void *data,
 604                            size_t n);
 605 ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
 606                             struct files_struct *fsp, const void *data,
 607                             size_t n, SMB_OFF_T offset);
 608 SMB_OFF_T smb_vfs_call_lseek(struct vfs_handle_struct *handle,
 609                              struct files_struct *fsp, SMB_OFF_T offset,
 610                              int whence);
 611 ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
 612                               files_struct *fromfsp, const DATA_BLOB *header,
 613                               SMB_OFF_T offset, size_t count);
 614 ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
 615                               files_struct *tofsp, SMB_OFF_T offset,
 616                               size_t count);
 617 int smb_vfs_call_rename(struct vfs_handle_struct *handle,
 618                         const struct smb_filename *smb_fname_src,
 619                         const struct smb_filename *smb_fname_dst);
 620 int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
 621                        struct files_struct *fsp);
 622 int smb_vfs_call_stat(struct vfs_handle_struct *handle,
 623                       struct smb_filename *smb_fname);
 624 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
 625                        struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
 626 int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
 627                        struct smb_filename *smb_filename);
 628 uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
 629                                      struct files_struct *fsp,
 630                                      const SMB_STRUCT_STAT *sbuf);
 631 int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
 632                         const struct smb_filename *smb_fname);
 633 int smb_vfs_call_chmod(struct vfs_handle_struct *handle, const char *path,
 634                        mode_t mode);
 635 int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
 636                         struct files_struct *fsp, mode_t mode);
 637 int smb_vfs_call_chown(struct vfs_handle_struct *handle, const char *path,
 638                        uid_t uid, gid_t gid);
 639 int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
 640                         struct files_struct *fsp, uid_t uid, gid_t gid);
 641 int smb_vfs_call_lchown(struct vfs_handle_struct *handle, const char *path,
 642                         uid_t uid, gid_t gid);
 643 int smb_vfs_call_chdir(struct vfs_handle_struct *handle, const char *path);
 644 char *smb_vfs_call_getwd(struct vfs_handle_struct *handle);
 645 int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
 646                         const struct smb_filename *smb_fname,
 647                         struct smb_file_time *ft);
 648 int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
 649                            struct files_struct *fsp, SMB_OFF_T offset);
 650 int smb_vfs_call_fallocate(struct vfs_handle_struct *handle,
 651                         struct files_struct *fsp,
 652                         enum vfs_fallocate_mode mode,
 653                         SMB_OFF_T offset,
 654                         SMB_OFF_T len);
 655 bool smb_vfs_call_lock(struct vfs_handle_struct *handle,
 656                        struct files_struct *fsp, int op, SMB_OFF_T offset,
 657                        SMB_OFF_T count, int type);
 658 int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
 659                               struct files_struct *fsp, uint32 share_mode,
 660                               uint32_t access_mask);
 661 int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
 662                                 struct files_struct *fsp, int leasetype);
 663 bool smb_vfs_call_getlock(struct vfs_handle_struct *handle,
 664                           struct files_struct *fsp, SMB_OFF_T *poffset,
 665                           SMB_OFF_T *pcount, int *ptype, pid_t *ppid);
 666 int smb_vfs_call_symlink(struct vfs_handle_struct *handle, const char *oldpath,
 667                          const char *newpath);
 668 int smb_vfs_call_vfs_readlink(struct vfs_handle_struct *handle,
 669                               const char *path, char *buf, size_t bufsiz);
 670 int smb_vfs_call_link(struct vfs_handle_struct *handle, const char *oldpath,
 671                       const char *newpath);
 672 int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
 673                        mode_t mode, SMB_DEV_T dev);
 674 char *smb_vfs_call_realpath(struct vfs_handle_struct *handle, const char *path);
 675 NTSTATUS smb_vfs_call_notify_watch(struct vfs_handle_struct *handle,
 676                                    struct sys_notify_context *ctx,
 677                                    struct notify_entry *e,
 678                                    void (*callback)(struct sys_notify_context *ctx,
 679                                                     void *private_data,
 680                                                     struct notify_event *ev),
 681                                    void *private_data, void *handle_p);
 682 int smb_vfs_call_chflags(struct vfs_handle_struct *handle, const char *path,
 683                          unsigned int flags);
 684 struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
 685                                            const SMB_STRUCT_STAT *sbuf);
 686 NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
 687                                  struct files_struct *fsp,
 688                                  const char *fname,
 689                                  TALLOC_CTX *mem_ctx,
 690                                  unsigned int *num_streams,
 691                                  struct stream_struct **streams);
 692 int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
 693                                    const char *path, const char *name,
 694                                    TALLOC_CTX *mem_ctx, char **found_name);
 695 const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
 696                                      const char *filename);
 697 NTSTATUS smb_vfs_call_brl_lock_windows(struct vfs_handle_struct *handle,
 698                                        struct byte_range_lock *br_lck,
 699                                        struct lock_struct *plock,
 700                                        bool blocking_lock,
 701                                        struct blocking_lock_record *blr);
 702 bool smb_vfs_call_brl_unlock_windows(struct vfs_handle_struct *handle,
 703                                      struct messaging_context *msg_ctx,
 704                                      struct byte_range_lock *br_lck,
 705                                      const struct lock_struct *plock);
 706 bool smb_vfs_call_brl_cancel_windows(struct vfs_handle_struct *handle,
 707                                      struct byte_range_lock *br_lck,
 708                                      struct lock_struct *plock,
 709                                      struct blocking_lock_record *blr);
 710 bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
 711                               struct files_struct *fsp,
 712                               struct lock_struct *plock);
 713 void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
 714                                 struct files_struct *fsp,
 715                                 struct lock_struct *plock);
 716 NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
 717                                      const char *name,
 718                                      enum vfs_translate_direction direction,
 719                                      TALLOC_CTX *mem_ctx,
 720                                      char **mapped_name);
 721 NTSTATUS smb_vfs_call_fsctl(struct vfs_handle_struct *handle,
 722                             struct files_struct *fsp,
 723                             TALLOC_CTX *ctx,
 724                             uint32_t function,
 725                             uint16_t req_flags,
 726                             const uint8_t *_in_data,
 727                             uint32_t in_len,
 728                             uint8_t **_out_data,
 729                             uint32_t max_out_len,
 730                             uint32_t *out_len);
 731 NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
 732                                   struct files_struct *fsp,
 733                                   uint32 security_info,
 734                                   struct security_descriptor **ppdesc);
 735 NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
 736                                  const char *name,
 737                                  uint32 security_info,
 738                                  struct security_descriptor **ppdesc);
 739 NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
 740                                   struct files_struct *fsp,
 741                                   uint32 security_info_sent,
 742                                   const struct security_descriptor *psd);
 743 int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle, const char *name,
 744                            mode_t mode);
 745 int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
 746                             struct files_struct *fsp, mode_t mode);
 747 int smb_vfs_call_sys_acl_get_entry(struct vfs_handle_struct *handle,
 748                                    SMB_ACL_T theacl, int entry_id,
 749                                    SMB_ACL_ENTRY_T *entry_p);
 750 int smb_vfs_call_sys_acl_get_tag_type(struct vfs_handle_struct *handle,
 751                                       SMB_ACL_ENTRY_T entry_d,
 752                                       SMB_ACL_TAG_T *tag_type_p);
 753 int smb_vfs_call_sys_acl_get_permset(struct vfs_handle_struct *handle,
 754                                      SMB_ACL_ENTRY_T entry_d,
 755                                      SMB_ACL_PERMSET_T *permset_p);
 756 void * smb_vfs_call_sys_acl_get_qualifier(struct vfs_handle_struct *handle,
 757                                           SMB_ACL_ENTRY_T entry_d);
 758 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
 759                                         const char *path_p,
 760                                         SMB_ACL_TYPE_T type);
 761 SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
 762                                       struct files_struct *fsp);
 763 int smb_vfs_call_sys_acl_clear_perms(struct vfs_handle_struct *handle,
 764                                      SMB_ACL_PERMSET_T permset);
 765 int smb_vfs_call_sys_acl_add_perm(struct vfs_handle_struct *handle,
 766                                   SMB_ACL_PERMSET_T permset,
 767                                   SMB_ACL_PERM_T perm);
 768 char * smb_vfs_call_sys_acl_to_text(struct vfs_handle_struct *handle,
 769                                     SMB_ACL_T theacl, ssize_t *plen);
 770 SMB_ACL_T smb_vfs_call_sys_acl_init(struct vfs_handle_struct *handle,
 771                                     int count);
 772 int smb_vfs_call_sys_acl_create_entry(struct vfs_handle_struct *handle,
 773                                       SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry);
 774 int smb_vfs_call_sys_acl_set_tag_type(struct vfs_handle_struct *handle,
 775                                       SMB_ACL_ENTRY_T entry,
 776                                       SMB_ACL_TAG_T tagtype);
 777 int smb_vfs_call_sys_acl_set_qualifier(struct vfs_handle_struct *handle,
 778                                        SMB_ACL_ENTRY_T entry, void *qual);
 779 int smb_vfs_call_sys_acl_set_permset(struct vfs_handle_struct *handle,
 780                                      SMB_ACL_ENTRY_T entry,
 781                                      SMB_ACL_PERMSET_T permset);
 782 int smb_vfs_call_sys_acl_valid(struct vfs_handle_struct *handle,
 783                                SMB_ACL_T theacl);
 784 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
 785                                   const char *name, SMB_ACL_TYPE_T acltype,
 786                                   SMB_ACL_T theacl);
 787 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
 788                                 struct files_struct *fsp, SMB_ACL_T theacl);
 789 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
 790                                          const char *path);
 791 int smb_vfs_call_sys_acl_get_perm(struct vfs_handle_struct *handle,
 792                                   SMB_ACL_PERMSET_T permset,
 793                                   SMB_ACL_PERM_T perm);
 794 int smb_vfs_call_sys_acl_free_text(struct vfs_handle_struct *handle,
 795                                    char *text);
 796 int smb_vfs_call_sys_acl_free_acl(struct vfs_handle_struct *handle,
 797                                   SMB_ACL_T posix_acl);
 798 int smb_vfs_call_sys_acl_free_qualifier(struct vfs_handle_struct *handle,
 799                                         void *qualifier, SMB_ACL_TAG_T tagtype);
 800 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
 801                               const char *path, const char *name, void *value,
 802                               size_t size);
 803 ssize_t smb_vfs_call_lgetxattr(struct vfs_handle_struct *handle,
 804                                const char *path, const char *name, void *value,
 805                                size_t size);
 806 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
 807                                struct files_struct *fsp, const char *name,
 808                                void *value, size_t size);
 809 ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
 810                                const char *path, char *list, size_t size);
 811 ssize_t smb_vfs_call_llistxattr(struct vfs_handle_struct *handle,
 812                                 const char *path, char *list, size_t size);
 813 ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
 814                                 struct files_struct *fsp, char *list,
 815                                 size_t size);
 816 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
 817                              const char *path, const char *name);
 818 int smb_vfs_call_lremovexattr(struct vfs_handle_struct *handle,
 819                               const char *path, const char *name);
 820 int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
 821                               struct files_struct *fsp, const char *name);
 822 int smb_vfs_call_setxattr(struct vfs_handle_struct *handle, const char *path,
 823                           const char *name, const void *value, size_t size,
 824                           int flags);
 825 int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
 826                            const char *name, const void *value, size_t size,
 827                            int flags);
 828 int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
 829                            struct files_struct *fsp, const char *name,
 830                            const void *value, size_t size, int flags);
 831 int smb_vfs_call_aio_read(struct vfs_handle_struct *handle,
 832                           struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 833 int smb_vfs_call_aio_write(struct vfs_handle_struct *handle,
 834                            struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 835 ssize_t smb_vfs_call_aio_return_fn(struct vfs_handle_struct *handle,
 836                                    struct files_struct *fsp,
 837                                    SMB_STRUCT_AIOCB *aiocb);
 838 int smb_vfs_call_aio_cancel(struct vfs_handle_struct *handle,
 839                             struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 840 int smb_vfs_call_aio_error_fn(struct vfs_handle_struct *handle,
 841                               struct files_struct *fsp,
 842                               SMB_STRUCT_AIOCB *aiocb);
 843 int smb_vfs_call_aio_fsync(struct vfs_handle_struct *handle,
 844                            struct files_struct *fsp, int op,
 845                            SMB_STRUCT_AIOCB *aiocb);
 846 int smb_vfs_call_aio_suspend(struct vfs_handle_struct *handle,
 847                              struct files_struct *fsp,
 848                              const SMB_STRUCT_AIOCB * const aiocb[], int n,
 849                              const struct timespec *timeout);
 850 bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
 851                             struct files_struct *fsp);
 852 bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
 853                              const struct smb_filename *fname,
 854                              SMB_STRUCT_STAT *sbuf);
 855 int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
 856                              const struct smb_filename *fname);
 857
 858 #endif /* _VFS_H */