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 #define SMB_VFS_INTERFACE_VERSION 28
 138
 139 /*
 140     All intercepted VFS operations must be declared as static functions inside module source
 141     in order to keep smbd namespace unpolluted. See source of audit, extd_audit, fake_perms and recycle
 142     example VFS modules for more details.
 143 */
 144
 145 /* VFS operations structure */
 146
 147 struct vfs_handle_struct;
 148 struct connection_struct;
 149 struct files_struct;
 150 struct security_descriptor;
 151 struct vfs_statvfs_struct;
 152 struct smb_request;
 153 struct ea_list;
 154 struct smb_file_time;
 155 struct blocking_lock_record;
 156 struct smb_filename;
 157
 158 #define VFS_FIND(__fn__) while (handle->fns->__fn__==NULL) { \
 159                                 handle = handle->next; \
 160                          }
 161
 162 enum vfs_translate_direction {
 163         vfs_translate_to_unix = 0,
 164         vfs_translate_to_windows
 165 };
 166
 167 enum vfs_fallocate_mode {
 168         VFS_FALLOCATE_EXTEND_SIZE = 0,
 169         VFS_FALLOCATE_KEEP_SIZE = 1
 170 };
 171
 172 /*
 173     Available VFS operations. These values must be in sync with vfs_ops struct
 174     (struct vfs_fn_pointers and struct vfs_handle_pointers inside of struct vfs_ops).
 175     In particular, if new operations are added to vfs_ops, appropriate constants
 176     should be added to vfs_op_type so that order of them kept same as in vfs_ops.
 177 */
 178 struct shadow_copy_data;
 179
 180 struct vfs_fn_pointers {
 181         /* Disk operations */
 182
 183         int (*connect_fn)(struct vfs_handle_struct *handle, const char *service, const char *user);
 184         void (*disconnect)(struct vfs_handle_struct *handle);
 185         uint64_t (*disk_free)(struct vfs_handle_struct *handle, const char *path, bool small_query, uint64_t *bsize,
 186                               uint64_t *dfree, uint64_t *dsize);
 187         int (*get_quota)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
 188         int (*set_quota)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
 189         int (*get_shadow_copy_data)(struct vfs_handle_struct *handle, struct files_struct *fsp, struct shadow_copy_data *shadow_copy_data, bool labels);
 190         int (*statvfs)(struct vfs_handle_struct *handle, const char *path, struct vfs_statvfs_struct *statbuf);
 191         uint32_t (*fs_capabilities)(struct vfs_handle_struct *handle, enum timestamp_set_resolution *p_ts_res);
 192
 193         /* Directory operations */
 194
 195         SMB_STRUCT_DIR *(*opendir)(struct vfs_handle_struct *handle, const char *fname, const char *mask, uint32 attributes);
 196         SMB_STRUCT_DIR *(*fdopendir)(struct vfs_handle_struct *handle, files_struct *fsp, const char *mask, uint32 attributes);
 197         SMB_STRUCT_DIRENT *(*readdir)(struct vfs_handle_struct *handle,
 198                                       SMB_STRUCT_DIR *dirp,
 199                                       SMB_STRUCT_STAT *sbuf);
 200         void (*seekdir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp, long offset);
 201         long (*telldir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
 202         void (*rewind_dir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
 203         int (*mkdir)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
 204         int (*rmdir)(struct vfs_handle_struct *handle, const char *path);
 205         int (*closedir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dir);
 206         void (*init_search_op)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
 207
 208         /* File operations */
 209
 210         int (*open_fn)(struct vfs_handle_struct *handle,
 211                        struct smb_filename *smb_fname, files_struct *fsp,
 212                        int flags, mode_t mode);
 213         NTSTATUS (*create_file)(struct vfs_handle_struct *handle,
 214                                 struct smb_request *req,
 215                                 uint16_t root_dir_fid,
 216                                 struct smb_filename *smb_fname,
 217                                 uint32_t access_mask,
 218                                 uint32_t share_access,
 219                                 uint32_t create_disposition,
 220                                 uint32_t create_options,
 221                                 uint32_t file_attributes,
 222                                 uint32_t oplock_request,
 223                                 uint64_t allocation_size,
 224                                 uint32_t private_flags,
 225                                 struct security_descriptor *sd,
 226                                 struct ea_list *ea_list,
 227                                 files_struct **result,
 228                                 int *pinfo);
 229         int (*close_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 230         ssize_t (*vfs_read)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n);
 231         ssize_t (*pread)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n, SMB_OFF_T offset);
 232         ssize_t (*write)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n);
 233         ssize_t (*pwrite)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n, SMB_OFF_T offset);
 234         SMB_OFF_T (*lseek)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T offset, int whence);
 235         ssize_t (*sendfile)(struct vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *header, SMB_OFF_T offset, size_t count);
 236         ssize_t (*recvfile)(struct vfs_handle_struct *handle, int fromfd, files_struct *tofsp, SMB_OFF_T offset, size_t count);
 237         int (*rename)(struct vfs_handle_struct *handle,
 238                       const struct smb_filename *smb_fname_src,
 239                       const struct smb_filename *smb_fname_dst);
 240         int (*fsync)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 241         int (*stat)(struct vfs_handle_struct *handle, struct smb_filename *smb_fname);
 242         int (*fstat)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
 243         int (*lstat)(struct vfs_handle_struct *handle, struct smb_filename *smb_filename);
 244         uint64_t (*get_alloc_size)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_STAT *sbuf);
 245         int (*unlink)(struct vfs_handle_struct *handle,
 246                       const struct smb_filename *smb_fname);
 247         int (*chmod)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
 248         int (*fchmod)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
 249         int (*chown)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
 250         int (*fchown)(struct vfs_handle_struct *handle, struct files_struct *fsp, uid_t uid, gid_t gid);
 251         int (*lchown)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
 252         int (*chdir)(struct vfs_handle_struct *handle, const char *path);
 253         char *(*getwd)(struct vfs_handle_struct *handle, char *buf);
 254         int (*ntimes)(struct vfs_handle_struct *handle,
 255                       const struct smb_filename *smb_fname,
 256                       struct smb_file_time *ft);
 257         int (*ftruncate)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T offset);
 258         int (*fallocate)(struct vfs_handle_struct *handle,
 259                                 struct files_struct *fsp,
 260                                 enum vfs_fallocate_mode mode,
 261                                 SMB_OFF_T offset,
 262                                 SMB_OFF_T len);
 263         bool (*lock)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_OFF_T offset, SMB_OFF_T count, int type);
 264         int (*kernel_flock)(struct vfs_handle_struct *handle, struct files_struct *fsp,
 265                             uint32 share_mode, uint32_t access_mask);
 266         int (*linux_setlease)(struct vfs_handle_struct *handle, struct files_struct *fsp, int leasetype);
 267         bool (*getlock)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T *poffset, SMB_OFF_T *pcount, int *ptype, pid_t *ppid);
 268         int (*symlink)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
 269         int (*vfs_readlink)(struct vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz);
 270         int (*link)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
 271         int (*mknod)(struct vfs_handle_struct *handle, const char *path, mode_t mode, SMB_DEV_T dev);
 272         char *(*realpath)(struct vfs_handle_struct *handle, const char *path);
 273         NTSTATUS (*notify_watch)(struct vfs_handle_struct *handle,
 274                                  struct sys_notify_context *ctx,
 275                                  struct notify_entry *e,
 276                                  void (*callback)(struct sys_notify_context *ctx,
 277                                                   void *private_data,
 278                                                   struct notify_event *ev),
 279                                  void *private_data, void *handle_p);
 280         int (*chflags)(struct vfs_handle_struct *handle, const char *path, unsigned int flags);
 281         struct file_id (*file_id_create)(struct vfs_handle_struct *handle,
 282                                          const SMB_STRUCT_STAT *sbuf);
 283
 284         NTSTATUS (*streaminfo)(struct vfs_handle_struct *handle,
 285                                struct files_struct *fsp,
 286                                const char *fname,
 287                                TALLOC_CTX *mem_ctx,
 288                                unsigned int *num_streams,
 289                                struct stream_struct **streams);
 290
 291         int (*get_real_filename)(struct vfs_handle_struct *handle,
 292                                  const char *path,
 293                                  const char *name,
 294                                  TALLOC_CTX *mem_ctx,
 295                                  char **found_name);
 296
 297         const char *(*connectpath)(struct vfs_handle_struct *handle,
 298                                    const char *filename);
 299
 300         NTSTATUS (*brl_lock_windows)(struct vfs_handle_struct *handle,
 301                                      struct byte_range_lock *br_lck,
 302                                      struct lock_struct *plock,
 303                                      bool blocking_lock,
 304                                      struct blocking_lock_record *blr);
 305
 306         bool (*brl_unlock_windows)(struct vfs_handle_struct *handle,
 307                                    struct messaging_context *msg_ctx,
 308                                    struct byte_range_lock *br_lck,
 309                                    const struct lock_struct *plock);
 310
 311         bool (*brl_cancel_windows)(struct vfs_handle_struct *handle,
 312                                    struct byte_range_lock *br_lck,
 313                                    struct lock_struct *plock,
 314                                    struct blocking_lock_record *blr);
 315
 316         bool (*strict_lock)(struct vfs_handle_struct *handle,
 317                             struct files_struct *fsp,
 318                             struct lock_struct *plock);
 319
 320         void (*strict_unlock)(struct vfs_handle_struct *handle,
 321                               struct files_struct *fsp,
 322                               struct lock_struct *plock);
 323
 324         NTSTATUS (*translate_name)(struct vfs_handle_struct *handle,
 325                                    const char *name,
 326                                    enum vfs_translate_direction direction,
 327                                    TALLOC_CTX *mem_ctx,
 328                                    char **mapped_name);
 329
 330         /* NT ACL operations. */
 331
 332         NTSTATUS (*fget_nt_acl)(struct vfs_handle_struct *handle,
 333                                 struct files_struct *fsp,
 334                                 uint32 security_info,
 335                                 struct security_descriptor **ppdesc);
 336         NTSTATUS (*get_nt_acl)(struct vfs_handle_struct *handle,
 337                                const char *name,
 338                                uint32 security_info,
 339                                struct security_descriptor **ppdesc);
 340         NTSTATUS (*fset_nt_acl)(struct vfs_handle_struct *handle,
 341                                 struct files_struct *fsp,
 342                                 uint32 security_info_sent,
 343                                 const struct security_descriptor *psd);
 344
 345         /* POSIX ACL operations. */
 346
 347         int (*chmod_acl)(struct vfs_handle_struct *handle, const char *name, mode_t mode);
 348         int (*fchmod_acl)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
 349
 350         int (*sys_acl_get_entry)(struct vfs_handle_struct *handle, SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p);
 351         int (*sys_acl_get_tag_type)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p);
 352         int (*sys_acl_get_permset)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p);
 353         void * (*sys_acl_get_qualifier)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d);
 354         SMB_ACL_T (*sys_acl_get_file)(struct vfs_handle_struct *handle, const char *path_p, SMB_ACL_TYPE_T type);
 355         SMB_ACL_T (*sys_acl_get_fd)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 356         int (*sys_acl_clear_perms)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset);
 357         int (*sys_acl_add_perm)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm);
 358         char * (*sys_acl_to_text)(struct vfs_handle_struct *handle, SMB_ACL_T theacl, ssize_t *plen);
 359         SMB_ACL_T (*sys_acl_init)(struct vfs_handle_struct *handle, int count);
 360         int (*sys_acl_create_entry)(struct vfs_handle_struct *handle, SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry);
 361         int (*sys_acl_set_tag_type)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype);
 362         int (*sys_acl_set_qualifier)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, void *qual);
 363         int (*sys_acl_set_permset)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset);
 364         int (*sys_acl_valid)(struct vfs_handle_struct *handle, SMB_ACL_T theacl );
 365         int (*sys_acl_set_file)(struct vfs_handle_struct *handle, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl);
 366         int (*sys_acl_set_fd)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_ACL_T theacl);
 367         int (*sys_acl_delete_def_file)(struct vfs_handle_struct *handle, const char *path);
 368         int (*sys_acl_get_perm)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm);
 369         int (*sys_acl_free_text)(struct vfs_handle_struct *handle, char *text);
 370         int (*sys_acl_free_acl)(struct vfs_handle_struct *handle, SMB_ACL_T posix_acl);
 371         int (*sys_acl_free_qualifier)(struct vfs_handle_struct *handle, void *qualifier, SMB_ACL_TAG_T tagtype);
 372
 373         /* EA operations. */
 374         ssize_t (*getxattr)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
 375         ssize_t (*lgetxattr)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
 376         ssize_t (*fgetxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size);
 377         ssize_t (*listxattr)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
 378         ssize_t (*llistxattr)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
 379         ssize_t (*flistxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size);
 380         int (*removexattr)(struct vfs_handle_struct *handle, const char *path, const char *name);
 381         int (*lremovexattr)(struct vfs_handle_struct *handle, const char *path, const char *name);
 382         int (*fremovexattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name);
 383         int (*setxattr)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
 384         int (*lsetxattr)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
 385         int (*fsetxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags);
 386
 387         /* aio operations */
 388         int (*aio_read)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 389         int (*aio_write)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 390         ssize_t (*aio_return_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 391         int (*aio_cancel)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 392         int (*aio_error_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 393         int (*aio_fsync)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_STRUCT_AIOCB *aiocb);
 394         int (*aio_suspend)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_AIOCB * const aiocb[], int n, const struct timespec *timeout);
 395         bool (*aio_force)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 396
 397         /* offline operations */
 398         bool (*is_offline)(struct vfs_handle_struct *handle,
 399                            const struct smb_filename *fname,
 400                            SMB_STRUCT_STAT *sbuf);
 401         int (*set_offline)(struct vfs_handle_struct *handle,
 402                            const struct smb_filename *fname);
 403 };
 404
 405 /*
 406     VFS operation description. Each VFS module registers an array of vfs_op_tuple to VFS subsystem,
 407     which describes all operations this module is willing to intercept.
 408     VFS subsystem initializes then the conn->vfs_ops and conn->vfs_opaque_ops structs
 409     using this information.
 410 */
 411
 412 typedef struct vfs_handle_struct {
 413         struct vfs_handle_struct  *next, *prev;
 414         const char *param;
 415         struct connection_struct *conn;
 416         const struct vfs_fn_pointers *fns;
 417         void *data;
 418         void (*free_data)(void **data);
 419 } vfs_handle_struct;
 420
 421
 422 typedef struct vfs_statvfs_struct {
 423         /* For undefined recommended transfer size return -1 in that field */
 424         uint32 OptimalTransferSize;  /* bsize on some os, iosize on other os */
 425         uint32 BlockSize;
 426
 427         /*
 428          The next three fields are in terms of the block size.
 429          (above). If block size is unknown, 4096 would be a
 430          reasonable block size for a server to report.
 431          Note that returning the blocks/blocksavail removes need
 432          to make a second call (to QFSInfo level 0x103 to get this info.
 433          UserBlockAvail is typically less than or equal to BlocksAvail,
 434          if no distinction is made return the same value in each.
 435         */
 436
 437         uint64_t TotalBlocks;
 438         uint64_t BlocksAvail;       /* bfree */
 439         uint64_t UserBlocksAvail;   /* bavail */
 440
 441         /* For undefined Node fields or FSID return -1 */
 442         uint64_t TotalFileNodes;
 443         uint64_t FreeFileNodes;
 444         uint64_t FsIdentifier;   /* fsid */
 445         /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */
 446         /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call   */
 447
 448         int FsCapabilities;
 449 } vfs_statvfs_struct;
 450
 451 /* Add a new FSP extension of the given type. Returns a pointer to the
 452  * extenstion data.
 453  */
 454 #define VFS_ADD_FSP_EXTENSION(handle, fsp, type, destroy_fn)            \
 455     vfs_add_fsp_extension_notype(handle, (fsp), sizeof(type), (destroy_fn))
 456
 457 /* Return a pointer to the existing FSP extension data. */
 458 #define VFS_FETCH_FSP_EXTENSION(handle, fsp) \
 459     vfs_fetch_fsp_extension(handle, (fsp))
 460
 461 /* Return the talloc context associated with an FSP extension. */
 462 #define VFS_MEMCTX_FSP_EXTENSION(handle, fsp) \
 463     vfs_memctx_fsp_extension(handle, (fsp))
 464
 465 /* Remove and destroy an FSP extension. */
 466 #define VFS_REMOVE_FSP_EXTENSION(handle, fsp) \
 467     vfs_remove_fsp_extension((handle), (fsp))
 468
 469 #define SMB_VFS_HANDLE_GET_DATA(handle, datap, type, ret) { \
 470         if (!(handle)||((datap=(type *)(handle)->data)==NULL)) { \
 471                 DEBUG(0,("%s() failed to get vfs_handle->data!\n",__FUNCTION__)); \
 472                 ret; \
 473         } \
 474 }
 475
 476 #define SMB_VFS_HANDLE_SET_DATA(handle, datap, free_fn, type, ret) { \
 477         if (!(handle)) { \
 478                 DEBUG(0,("%s() failed to set handle->data!\n",__FUNCTION__)); \
 479                 ret; \
 480         } else { \
 481                 if ((handle)->free_data) { \
 482                         (handle)->free_data(&(handle)->data); \
 483                 } \
 484                 (handle)->data = (void *)datap; \
 485                 (handle)->free_data = free_fn; \
 486         } \
 487 }
 488
 489 #define SMB_VFS_HANDLE_FREE_DATA(handle) { \
 490         if ((handle) && (handle)->free_data) { \
 491                 (handle)->free_data(&(handle)->data); \
 492         } \
 493 }
 494
 495 /* Check whether module-specific data handle was already allocated or not */
 496 #define SMB_VFS_HANDLE_TEST_DATA(handle)  ( !(handle) || !(handle)->data ? False : True )
 497
 498 #define SMB_VFS_OP(x) ((void *) x)
 499
 500 #define DEFAULT_VFS_MODULE_NAME "/[Default VFS]/"
 501
 502 #include "vfs_macros.h"
 503
 504 int smb_vfs_call_connect(struct vfs_handle_struct *handle,
 505                          const char *service, const char *user);
 506 void smb_vfs_call_disconnect(struct vfs_handle_struct *handle);
 507 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
 508                                 const char *path, bool small_query,
 509                                 uint64_t *bsize, uint64_t *dfree,
 510                                 uint64_t *dsize);
 511 int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
 512                            enum SMB_QUOTA_TYPE qtype, unid_t id,
 513                            SMB_DISK_QUOTA *qt);
 514 int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
 515                            enum SMB_QUOTA_TYPE qtype, unid_t id,
 516                            SMB_DISK_QUOTA *qt);
 517 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
 518                                       struct files_struct *fsp,
 519                                       struct shadow_copy_data *shadow_copy_data,
 520                                       bool labels);
 521 int smb_vfs_call_statvfs(struct vfs_handle_struct *handle, const char *path,
 522                          struct vfs_statvfs_struct *statbuf);
 523 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
 524                         enum timestamp_set_resolution *p_ts_res);
 525 SMB_STRUCT_DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
 526                                      const char *fname, const char *mask,
 527                                      uint32 attributes);
 528 SMB_STRUCT_DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
 529                                         struct files_struct *fsp,
 530                                         const char *mask,
 531                                         uint32 attributes);
 532 SMB_STRUCT_DIRENT *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
 533                                         SMB_STRUCT_DIR *dirp,
 534                                         SMB_STRUCT_STAT *sbuf);
 535 void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
 536                           SMB_STRUCT_DIR *dirp, long offset);
 537 long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
 538                           SMB_STRUCT_DIR *dirp);
 539 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
 540                              SMB_STRUCT_DIR *dirp);
 541 int smb_vfs_call_mkdir(struct vfs_handle_struct *handle, const char *path,
 542                        mode_t mode);
 543 int smb_vfs_call_rmdir(struct vfs_handle_struct *handle, const char *path);
 544 int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
 545                           SMB_STRUCT_DIR *dir);
 546 void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
 547                                  SMB_STRUCT_DIR *dirp);
 548 int smb_vfs_call_open(struct vfs_handle_struct *handle,
 549                       struct smb_filename *smb_fname, struct files_struct *fsp,
 550                       int flags, mode_t mode);
 551 NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
 552                                   struct smb_request *req,
 553                                   uint16_t root_dir_fid,
 554                                   struct smb_filename *smb_fname,
 555                                   uint32_t access_mask,
 556                                   uint32_t share_access,
 557                                   uint32_t create_disposition,
 558                                   uint32_t create_options,
 559                                   uint32_t file_attributes,
 560                                   uint32_t oplock_request,
 561                                   uint64_t allocation_size,
 562                                   uint32_t private_flags,
 563                                   struct security_descriptor *sd,
 564                                   struct ea_list *ea_list,
 565                                   files_struct **result,
 566                                   int *pinfo);
 567 int smb_vfs_call_close_fn(struct vfs_handle_struct *handle,
 568                           struct files_struct *fsp);
 569 ssize_t smb_vfs_call_vfs_read(struct vfs_handle_struct *handle,
 570                               struct files_struct *fsp, void *data, size_t n);
 571 ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
 572                            struct files_struct *fsp, void *data, size_t n,
 573                            SMB_OFF_T offset);
 574 ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
 575                            struct files_struct *fsp, const void *data,
 576                            size_t n);
 577 ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
 578                             struct files_struct *fsp, const void *data,
 579                             size_t n, SMB_OFF_T offset);
 580 SMB_OFF_T smb_vfs_call_lseek(struct vfs_handle_struct *handle,
 581                              struct files_struct *fsp, SMB_OFF_T offset,
 582                              int whence);
 583 ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
 584                               files_struct *fromfsp, const DATA_BLOB *header,
 585                               SMB_OFF_T offset, size_t count);
 586 ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
 587                               files_struct *tofsp, SMB_OFF_T offset,
 588                               size_t count);
 589 int smb_vfs_call_rename(struct vfs_handle_struct *handle,
 590                         const struct smb_filename *smb_fname_src,
 591                         const struct smb_filename *smb_fname_dst);
 592 int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
 593                        struct files_struct *fsp);
 594 int smb_vfs_call_stat(struct vfs_handle_struct *handle,
 595                       struct smb_filename *smb_fname);
 596 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
 597                        struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
 598 int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
 599                        struct smb_filename *smb_filename);
 600 uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
 601                                      struct files_struct *fsp,
 602                                      const SMB_STRUCT_STAT *sbuf);
 603 int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
 604                         const struct smb_filename *smb_fname);
 605 int smb_vfs_call_chmod(struct vfs_handle_struct *handle, const char *path,
 606                        mode_t mode);
 607 int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
 608                         struct files_struct *fsp, mode_t mode);
 609 int smb_vfs_call_chown(struct vfs_handle_struct *handle, const char *path,
 610                        uid_t uid, gid_t gid);
 611 int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
 612                         struct files_struct *fsp, uid_t uid, gid_t gid);
 613 int smb_vfs_call_lchown(struct vfs_handle_struct *handle, const char *path,
 614                         uid_t uid, gid_t gid);
 615 int smb_vfs_call_chdir(struct vfs_handle_struct *handle, const char *path);
 616 char *smb_vfs_call_getwd(struct vfs_handle_struct *handle, char *buf);
 617 int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
 618                         const struct smb_filename *smb_fname,
 619                         struct smb_file_time *ft);
 620 int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
 621                            struct files_struct *fsp, SMB_OFF_T offset);
 622 int smb_vfs_call_fallocate(struct vfs_handle_struct *handle,
 623                         struct files_struct *fsp,
 624                         enum vfs_fallocate_mode mode,
 625                         SMB_OFF_T offset,
 626                         SMB_OFF_T len);
 627 bool smb_vfs_call_lock(struct vfs_handle_struct *handle,
 628                        struct files_struct *fsp, int op, SMB_OFF_T offset,
 629                        SMB_OFF_T count, int type);
 630 int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
 631                               struct files_struct *fsp, uint32 share_mode,
 632                               uint32_t access_mask);
 633 int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
 634                                 struct files_struct *fsp, int leasetype);
 635 bool smb_vfs_call_getlock(struct vfs_handle_struct *handle,
 636                           struct files_struct *fsp, SMB_OFF_T *poffset,
 637                           SMB_OFF_T *pcount, int *ptype, pid_t *ppid);
 638 int smb_vfs_call_symlink(struct vfs_handle_struct *handle, const char *oldpath,
 639                          const char *newpath);
 640 int smb_vfs_call_vfs_readlink(struct vfs_handle_struct *handle,
 641                               const char *path, char *buf, size_t bufsiz);
 642 int smb_vfs_call_link(struct vfs_handle_struct *handle, const char *oldpath,
 643                       const char *newpath);
 644 int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
 645                        mode_t mode, SMB_DEV_T dev);
 646 char *smb_vfs_call_realpath(struct vfs_handle_struct *handle, const char *path);
 647 NTSTATUS smb_vfs_call_notify_watch(struct vfs_handle_struct *handle,
 648                                    struct sys_notify_context *ctx,
 649                                    struct notify_entry *e,
 650                                    void (*callback)(struct sys_notify_context *ctx,
 651                                                     void *private_data,
 652                                                     struct notify_event *ev),
 653                                    void *private_data, void *handle_p);
 654 int smb_vfs_call_chflags(struct vfs_handle_struct *handle, const char *path,
 655                          unsigned int flags);
 656 struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
 657                                            const SMB_STRUCT_STAT *sbuf);
 658 NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
 659                                  struct files_struct *fsp,
 660                                  const char *fname,
 661                                  TALLOC_CTX *mem_ctx,
 662                                  unsigned int *num_streams,
 663                                  struct stream_struct **streams);
 664 int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
 665                                    const char *path, const char *name,
 666                                    TALLOC_CTX *mem_ctx, char **found_name);
 667 const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
 668                                      const char *filename);
 669 NTSTATUS smb_vfs_call_brl_lock_windows(struct vfs_handle_struct *handle,
 670                                        struct byte_range_lock *br_lck,
 671                                        struct lock_struct *plock,
 672                                        bool blocking_lock,
 673                                        struct blocking_lock_record *blr);
 674 bool smb_vfs_call_brl_unlock_windows(struct vfs_handle_struct *handle,
 675                                      struct messaging_context *msg_ctx,
 676                                      struct byte_range_lock *br_lck,
 677                                      const struct lock_struct *plock);
 678 bool smb_vfs_call_brl_cancel_windows(struct vfs_handle_struct *handle,
 679                                      struct byte_range_lock *br_lck,
 680                                      struct lock_struct *plock,
 681                                      struct blocking_lock_record *blr);
 682 bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
 683                               struct files_struct *fsp,
 684                               struct lock_struct *plock);
 685 void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
 686                                 struct files_struct *fsp,
 687                                 struct lock_struct *plock);
 688 NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
 689                                      const char *name,
 690                                      enum vfs_translate_direction direction,
 691                                      TALLOC_CTX *mem_ctx,
 692                                      char **mapped_name);
 693 NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
 694                                   struct files_struct *fsp,
 695                                   uint32 security_info,
 696                                   struct security_descriptor **ppdesc);
 697 NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
 698                                  const char *name,
 699                                  uint32 security_info,
 700                                  struct security_descriptor **ppdesc);
 701 NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
 702                                   struct files_struct *fsp,
 703                                   uint32 security_info_sent,
 704                                   const struct security_descriptor *psd);
 705 int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle, const char *name,
 706                            mode_t mode);
 707 int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
 708                             struct files_struct *fsp, mode_t mode);
 709 int smb_vfs_call_sys_acl_get_entry(struct vfs_handle_struct *handle,
 710                                    SMB_ACL_T theacl, int entry_id,
 711                                    SMB_ACL_ENTRY_T *entry_p);
 712 int smb_vfs_call_sys_acl_get_tag_type(struct vfs_handle_struct *handle,
 713                                       SMB_ACL_ENTRY_T entry_d,
 714                                       SMB_ACL_TAG_T *tag_type_p);
 715 int smb_vfs_call_sys_acl_get_permset(struct vfs_handle_struct *handle,
 716                                      SMB_ACL_ENTRY_T entry_d,
 717                                      SMB_ACL_PERMSET_T *permset_p);
 718 void * smb_vfs_call_sys_acl_get_qualifier(struct vfs_handle_struct *handle,
 719                                           SMB_ACL_ENTRY_T entry_d);
 720 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
 721                                         const char *path_p,
 722                                         SMB_ACL_TYPE_T type);
 723 SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
 724                                       struct files_struct *fsp);
 725 int smb_vfs_call_sys_acl_clear_perms(struct vfs_handle_struct *handle,
 726                                      SMB_ACL_PERMSET_T permset);
 727 int smb_vfs_call_sys_acl_add_perm(struct vfs_handle_struct *handle,
 728                                   SMB_ACL_PERMSET_T permset,
 729                                   SMB_ACL_PERM_T perm);
 730 char * smb_vfs_call_sys_acl_to_text(struct vfs_handle_struct *handle,
 731                                     SMB_ACL_T theacl, ssize_t *plen);
 732 SMB_ACL_T smb_vfs_call_sys_acl_init(struct vfs_handle_struct *handle,
 733                                     int count);
 734 int smb_vfs_call_sys_acl_create_entry(struct vfs_handle_struct *handle,
 735                                       SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry);
 736 int smb_vfs_call_sys_acl_set_tag_type(struct vfs_handle_struct *handle,
 737                                       SMB_ACL_ENTRY_T entry,
 738                                       SMB_ACL_TAG_T tagtype);
 739 int smb_vfs_call_sys_acl_set_qualifier(struct vfs_handle_struct *handle,
 740                                        SMB_ACL_ENTRY_T entry, void *qual);
 741 int smb_vfs_call_sys_acl_set_permset(struct vfs_handle_struct *handle,
 742                                      SMB_ACL_ENTRY_T entry,
 743                                      SMB_ACL_PERMSET_T permset);
 744 int smb_vfs_call_sys_acl_valid(struct vfs_handle_struct *handle,
 745                                SMB_ACL_T theacl);
 746 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
 747                                   const char *name, SMB_ACL_TYPE_T acltype,
 748                                   SMB_ACL_T theacl);
 749 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
 750                                 struct files_struct *fsp, SMB_ACL_T theacl);
 751 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
 752                                          const char *path);
 753 int smb_vfs_call_sys_acl_get_perm(struct vfs_handle_struct *handle,
 754                                   SMB_ACL_PERMSET_T permset,
 755                                   SMB_ACL_PERM_T perm);
 756 int smb_vfs_call_sys_acl_free_text(struct vfs_handle_struct *handle,
 757                                    char *text);
 758 int smb_vfs_call_sys_acl_free_acl(struct vfs_handle_struct *handle,
 759                                   SMB_ACL_T posix_acl);
 760 int smb_vfs_call_sys_acl_free_qualifier(struct vfs_handle_struct *handle,
 761                                         void *qualifier, SMB_ACL_TAG_T tagtype);
 762 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
 763                               const char *path, const char *name, void *value,
 764                               size_t size);
 765 ssize_t smb_vfs_call_lgetxattr(struct vfs_handle_struct *handle,
 766                                const char *path, const char *name, void *value,
 767                                size_t size);
 768 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
 769                                struct files_struct *fsp, const char *name,
 770                                void *value, size_t size);
 771 ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
 772                                const char *path, char *list, size_t size);
 773 ssize_t smb_vfs_call_llistxattr(struct vfs_handle_struct *handle,
 774                                 const char *path, char *list, size_t size);
 775 ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
 776                                 struct files_struct *fsp, char *list,
 777                                 size_t size);
 778 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
 779                              const char *path, const char *name);
 780 int smb_vfs_call_lremovexattr(struct vfs_handle_struct *handle,
 781                               const char *path, const char *name);
 782 int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
 783                               struct files_struct *fsp, const char *name);
 784 int smb_vfs_call_setxattr(struct vfs_handle_struct *handle, const char *path,
 785                           const char *name, const void *value, size_t size,
 786                           int flags);
 787 int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
 788                            const char *name, const void *value, size_t size,
 789                            int flags);
 790 int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
 791                            struct files_struct *fsp, const char *name,
 792                            const void *value, size_t size, int flags);
 793 int smb_vfs_call_aio_read(struct vfs_handle_struct *handle,
 794                           struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 795 int smb_vfs_call_aio_write(struct vfs_handle_struct *handle,
 796                            struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 797 ssize_t smb_vfs_call_aio_return_fn(struct vfs_handle_struct *handle,
 798                                    struct files_struct *fsp,
 799                                    SMB_STRUCT_AIOCB *aiocb);
 800 int smb_vfs_call_aio_cancel(struct vfs_handle_struct *handle,
 801                             struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 802 int smb_vfs_call_aio_error_fn(struct vfs_handle_struct *handle,
 803                               struct files_struct *fsp,
 804                               SMB_STRUCT_AIOCB *aiocb);
 805 int smb_vfs_call_aio_fsync(struct vfs_handle_struct *handle,
 806                            struct files_struct *fsp, int op,
 807                            SMB_STRUCT_AIOCB *aiocb);
 808 int smb_vfs_call_aio_suspend(struct vfs_handle_struct *handle,
 809                              struct files_struct *fsp,
 810                              const SMB_STRUCT_AIOCB * const aiocb[], int n,
 811                              const struct timespec *timeout);
 812 bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
 813                             struct files_struct *fsp);
 814 bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
 815                              const struct smb_filename *fname,
 816                              SMB_STRUCT_STAT *sbuf);
 817 int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
 818                              const struct smb_filename *fname);
 819
 820 #endif /* _VFS_H */