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 #define SMB_VFS_INTERFACE_VERSION 29
 140
 141 /*
 142     All intercepted VFS operations must be declared as static functions inside module source
 143     in order to keep smbd namespace unpolluted. See source of audit, extd_audit, fake_perms and recycle
 144     example VFS modules for more details.
 145 */
 146
 147 /* VFS operations structure */
 148
 149 struct vfs_handle_struct;
 150 struct connection_struct;
 151 struct files_struct;
 152 struct security_descriptor;
 153 struct vfs_statvfs_struct;
 154 struct smb_request;
 155 struct ea_list;
 156 struct smb_file_time;
 157 struct blocking_lock_record;
 158 struct smb_filename;
 159
 160 #define VFS_FIND(__fn__) while (handle->fns->__fn__==NULL) { \
 161                                 handle = handle->next; \
 162                          }
 163
 164 enum vfs_translate_direction {
 165         vfs_translate_to_unix = 0,
 166         vfs_translate_to_windows
 167 };
 168
 169 enum vfs_fallocate_mode {
 170         VFS_FALLOCATE_EXTEND_SIZE = 0,
 171         VFS_FALLOCATE_KEEP_SIZE = 1
 172 };
 173
 174 /*
 175     Available VFS operations. These values must be in sync with vfs_ops struct
 176     (struct vfs_fn_pointers and struct vfs_handle_pointers inside of struct vfs_ops).
 177     In particular, if new operations are added to vfs_ops, appropriate constants
 178     should be added to vfs_op_type so that order of them kept same as in vfs_ops.
 179 */
 180 struct shadow_copy_data;
 181
 182 struct vfs_fn_pointers {
 183         /* Disk operations */
 184
 185         int (*connect_fn)(struct vfs_handle_struct *handle, const char *service, const char *user);
 186         void (*disconnect)(struct vfs_handle_struct *handle);
 187         uint64_t (*disk_free)(struct vfs_handle_struct *handle, const char *path, bool small_query, uint64_t *bsize,
 188                               uint64_t *dfree, uint64_t *dsize);
 189         int (*get_quota)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
 190         int (*set_quota)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
 191         int (*get_shadow_copy_data)(struct vfs_handle_struct *handle, struct files_struct *fsp, struct shadow_copy_data *shadow_copy_data, bool labels);
 192         int (*statvfs)(struct vfs_handle_struct *handle, const char *path, struct vfs_statvfs_struct *statbuf);
 193         uint32_t (*fs_capabilities)(struct vfs_handle_struct *handle, enum timestamp_set_resolution *p_ts_res);
 194
 195         /* Directory operations */
 196
 197         SMB_STRUCT_DIR *(*opendir)(struct vfs_handle_struct *handle, const char *fname, const char *mask, uint32 attributes);
 198         SMB_STRUCT_DIR *(*fdopendir)(struct vfs_handle_struct *handle, files_struct *fsp, const char *mask, uint32 attributes);
 199         SMB_STRUCT_DIRENT *(*readdir)(struct vfs_handle_struct *handle,
 200                                       SMB_STRUCT_DIR *dirp,
 201                                       SMB_STRUCT_STAT *sbuf);
 202         void (*seekdir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp, long offset);
 203         long (*telldir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
 204         void (*rewind_dir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
 205         int (*mkdir)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
 206         int (*rmdir)(struct vfs_handle_struct *handle, const char *path);
 207         int (*closedir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dir);
 208         void (*init_search_op)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
 209
 210         /* File operations */
 211
 212         int (*open_fn)(struct vfs_handle_struct *handle,
 213                        struct smb_filename *smb_fname, files_struct *fsp,
 214                        int flags, mode_t mode);
 215         NTSTATUS (*create_file)(struct vfs_handle_struct *handle,
 216                                 struct smb_request *req,
 217                                 uint16_t root_dir_fid,
 218                                 struct smb_filename *smb_fname,
 219                                 uint32_t access_mask,
 220                                 uint32_t share_access,
 221                                 uint32_t create_disposition,
 222                                 uint32_t create_options,
 223                                 uint32_t file_attributes,
 224                                 uint32_t oplock_request,
 225                                 uint64_t allocation_size,
 226                                 uint32_t private_flags,
 227                                 struct security_descriptor *sd,
 228                                 struct ea_list *ea_list,
 229                                 files_struct **result,
 230                                 int *pinfo);
 231         int (*close_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 232         ssize_t (*vfs_read)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n);
 233         ssize_t (*pread)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n, SMB_OFF_T offset);
 234         ssize_t (*write)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n);
 235         ssize_t (*pwrite)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n, SMB_OFF_T offset);
 236         SMB_OFF_T (*lseek)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T offset, int whence);
 237         ssize_t (*sendfile)(struct vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *header, SMB_OFF_T offset, size_t count);
 238         ssize_t (*recvfile)(struct vfs_handle_struct *handle, int fromfd, files_struct *tofsp, SMB_OFF_T offset, size_t count);
 239         int (*rename)(struct vfs_handle_struct *handle,
 240                       const struct smb_filename *smb_fname_src,
 241                       const struct smb_filename *smb_fname_dst);
 242         int (*fsync)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 243         int (*stat)(struct vfs_handle_struct *handle, struct smb_filename *smb_fname);
 244         int (*fstat)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
 245         int (*lstat)(struct vfs_handle_struct *handle, struct smb_filename *smb_filename);
 246         uint64_t (*get_alloc_size)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_STAT *sbuf);
 247         int (*unlink)(struct vfs_handle_struct *handle,
 248                       const struct smb_filename *smb_fname);
 249         int (*chmod)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
 250         int (*fchmod)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
 251         int (*chown)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
 252         int (*fchown)(struct vfs_handle_struct *handle, struct files_struct *fsp, uid_t uid, gid_t gid);
 253         int (*lchown)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
 254         int (*chdir)(struct vfs_handle_struct *handle, const char *path);
 255         char *(*getwd)(struct vfs_handle_struct *handle);
 256         int (*ntimes)(struct vfs_handle_struct *handle,
 257                       const struct smb_filename *smb_fname,
 258                       struct smb_file_time *ft);
 259         int (*ftruncate)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T offset);
 260         int (*fallocate)(struct vfs_handle_struct *handle,
 261                                 struct files_struct *fsp,
 262                                 enum vfs_fallocate_mode mode,
 263                                 SMB_OFF_T offset,
 264                                 SMB_OFF_T len);
 265         bool (*lock)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_OFF_T offset, SMB_OFF_T count, int type);
 266         int (*kernel_flock)(struct vfs_handle_struct *handle, struct files_struct *fsp,
 267                             uint32 share_mode, uint32_t access_mask);
 268         int (*linux_setlease)(struct vfs_handle_struct *handle, struct files_struct *fsp, int leasetype);
 269         bool (*getlock)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T *poffset, SMB_OFF_T *pcount, int *ptype, pid_t *ppid);
 270         int (*symlink)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
 271         int (*vfs_readlink)(struct vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz);
 272         int (*link)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
 273         int (*mknod)(struct vfs_handle_struct *handle, const char *path, mode_t mode, SMB_DEV_T dev);
 274         char *(*realpath)(struct vfs_handle_struct *handle, const char *path);
 275         NTSTATUS (*notify_watch)(struct vfs_handle_struct *handle,
 276                                  struct sys_notify_context *ctx,
 277                                  struct notify_entry *e,
 278                                  void (*callback)(struct sys_notify_context *ctx,
 279                                                   void *private_data,
 280                                                   struct notify_event *ev),
 281                                  void *private_data, void *handle_p);
 282         int (*chflags)(struct vfs_handle_struct *handle, const char *path, unsigned int flags);
 283         struct file_id (*file_id_create)(struct vfs_handle_struct *handle,
 284                                          const SMB_STRUCT_STAT *sbuf);
 285
 286         NTSTATUS (*streaminfo)(struct vfs_handle_struct *handle,
 287                                struct files_struct *fsp,
 288                                const char *fname,
 289                                TALLOC_CTX *mem_ctx,
 290                                unsigned int *num_streams,
 291                                struct stream_struct **streams);
 292
 293         int (*get_real_filename)(struct vfs_handle_struct *handle,
 294                                  const char *path,
 295                                  const char *name,
 296                                  TALLOC_CTX *mem_ctx,
 297                                  char **found_name);
 298
 299         const char *(*connectpath)(struct vfs_handle_struct *handle,
 300                                    const char *filename);
 301
 302         NTSTATUS (*brl_lock_windows)(struct vfs_handle_struct *handle,
 303                                      struct byte_range_lock *br_lck,
 304                                      struct lock_struct *plock,
 305                                      bool blocking_lock,
 306                                      struct blocking_lock_record *blr);
 307
 308         bool (*brl_unlock_windows)(struct vfs_handle_struct *handle,
 309                                    struct messaging_context *msg_ctx,
 310                                    struct byte_range_lock *br_lck,
 311                                    const struct lock_struct *plock);
 312
 313         bool (*brl_cancel_windows)(struct vfs_handle_struct *handle,
 314                                    struct byte_range_lock *br_lck,
 315                                    struct lock_struct *plock,
 316                                    struct blocking_lock_record *blr);
 317
 318         bool (*strict_lock)(struct vfs_handle_struct *handle,
 319                             struct files_struct *fsp,
 320                             struct lock_struct *plock);
 321
 322         void (*strict_unlock)(struct vfs_handle_struct *handle,
 323                               struct files_struct *fsp,
 324                               struct lock_struct *plock);
 325
 326         NTSTATUS (*translate_name)(struct vfs_handle_struct *handle,
 327                                    const char *name,
 328                                    enum vfs_translate_direction direction,
 329                                    TALLOC_CTX *mem_ctx,
 330                                    char **mapped_name);
 331
 332         /* NT ACL operations. */
 333
 334         NTSTATUS (*fget_nt_acl)(struct vfs_handle_struct *handle,
 335                                 struct files_struct *fsp,
 336                                 uint32 security_info,
 337                                 struct security_descriptor **ppdesc);
 338         NTSTATUS (*get_nt_acl)(struct vfs_handle_struct *handle,
 339                                const char *name,
 340                                uint32 security_info,
 341                                struct security_descriptor **ppdesc);
 342         NTSTATUS (*fset_nt_acl)(struct vfs_handle_struct *handle,
 343                                 struct files_struct *fsp,
 344                                 uint32 security_info_sent,
 345                                 const struct security_descriptor *psd);
 346
 347         /* POSIX ACL operations. */
 348
 349         int (*chmod_acl)(struct vfs_handle_struct *handle, const char *name, mode_t mode);
 350         int (*fchmod_acl)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
 351
 352         int (*sys_acl_get_entry)(struct vfs_handle_struct *handle, SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p);
 353         int (*sys_acl_get_tag_type)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p);
 354         int (*sys_acl_get_permset)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p);
 355         void * (*sys_acl_get_qualifier)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d);
 356         SMB_ACL_T (*sys_acl_get_file)(struct vfs_handle_struct *handle, const char *path_p, SMB_ACL_TYPE_T type);
 357         SMB_ACL_T (*sys_acl_get_fd)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 358         int (*sys_acl_clear_perms)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset);
 359         int (*sys_acl_add_perm)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm);
 360         char * (*sys_acl_to_text)(struct vfs_handle_struct *handle, SMB_ACL_T theacl, ssize_t *plen);
 361         SMB_ACL_T (*sys_acl_init)(struct vfs_handle_struct *handle, int count);
 362         int (*sys_acl_create_entry)(struct vfs_handle_struct *handle, SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry);
 363         int (*sys_acl_set_tag_type)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype);
 364         int (*sys_acl_set_qualifier)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, void *qual);
 365         int (*sys_acl_set_permset)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset);
 366         int (*sys_acl_valid)(struct vfs_handle_struct *handle, SMB_ACL_T theacl );
 367         int (*sys_acl_set_file)(struct vfs_handle_struct *handle, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl);
 368         int (*sys_acl_set_fd)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_ACL_T theacl);
 369         int (*sys_acl_delete_def_file)(struct vfs_handle_struct *handle, const char *path);
 370         int (*sys_acl_get_perm)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm);
 371         int (*sys_acl_free_text)(struct vfs_handle_struct *handle, char *text);
 372         int (*sys_acl_free_acl)(struct vfs_handle_struct *handle, SMB_ACL_T posix_acl);
 373         int (*sys_acl_free_qualifier)(struct vfs_handle_struct *handle, void *qualifier, SMB_ACL_TAG_T tagtype);
 374
 375         /* EA operations. */
 376         ssize_t (*getxattr)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
 377         ssize_t (*lgetxattr)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
 378         ssize_t (*fgetxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size);
 379         ssize_t (*listxattr)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
 380         ssize_t (*llistxattr)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
 381         ssize_t (*flistxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size);
 382         int (*removexattr)(struct vfs_handle_struct *handle, const char *path, const char *name);
 383         int (*lremovexattr)(struct vfs_handle_struct *handle, const char *path, const char *name);
 384         int (*fremovexattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name);
 385         int (*setxattr)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
 386         int (*lsetxattr)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
 387         int (*fsetxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags);
 388
 389         /* aio operations */
 390         int (*aio_read)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 391         int (*aio_write)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 392         ssize_t (*aio_return_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 393         int (*aio_cancel)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 394         int (*aio_error_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 395         int (*aio_fsync)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_STRUCT_AIOCB *aiocb);
 396         int (*aio_suspend)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_AIOCB * const aiocb[], int n, const struct timespec *timeout);
 397         bool (*aio_force)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 398
 399         /* offline operations */
 400         bool (*is_offline)(struct vfs_handle_struct *handle,
 401                            const struct smb_filename *fname,
 402                            SMB_STRUCT_STAT *sbuf);
 403         int (*set_offline)(struct vfs_handle_struct *handle,
 404                            const struct smb_filename *fname);
 405 };
 406
 407 /*
 408     VFS operation description. Each VFS module registers an array of vfs_op_tuple to VFS subsystem,
 409     which describes all operations this module is willing to intercept.
 410     VFS subsystem initializes then the conn->vfs_ops and conn->vfs_opaque_ops structs
 411     using this information.
 412 */
 413
 414 typedef struct vfs_handle_struct {
 415         struct vfs_handle_struct  *next, *prev;
 416         const char *param;
 417         struct connection_struct *conn;
 418         const struct vfs_fn_pointers *fns;
 419         void *data;
 420         void (*free_data)(void **data);
 421 } vfs_handle_struct;
 422
 423
 424 typedef struct vfs_statvfs_struct {
 425         /* For undefined recommended transfer size return -1 in that field */
 426         uint32 OptimalTransferSize;  /* bsize on some os, iosize on other os */
 427         uint32 BlockSize;
 428
 429         /*
 430          The next three fields are in terms of the block size.
 431          (above). If block size is unknown, 4096 would be a
 432          reasonable block size for a server to report.
 433          Note that returning the blocks/blocksavail removes need
 434          to make a second call (to QFSInfo level 0x103 to get this info.
 435          UserBlockAvail is typically less than or equal to BlocksAvail,
 436          if no distinction is made return the same value in each.
 437         */
 438
 439         uint64_t TotalBlocks;
 440         uint64_t BlocksAvail;       /* bfree */
 441         uint64_t UserBlocksAvail;   /* bavail */
 442
 443         /* For undefined Node fields or FSID return -1 */
 444         uint64_t TotalFileNodes;
 445         uint64_t FreeFileNodes;
 446         uint64_t FsIdentifier;   /* fsid */
 447         /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */
 448         /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call   */
 449
 450         int FsCapabilities;
 451 } vfs_statvfs_struct;
 452
 453 /* Add a new FSP extension of the given type. Returns a pointer to the
 454  * extenstion data.
 455  */
 456 #define VFS_ADD_FSP_EXTENSION(handle, fsp, type, destroy_fn)            \
 457     vfs_add_fsp_extension_notype(handle, (fsp), sizeof(type), (destroy_fn))
 458
 459 /* Return a pointer to the existing FSP extension data. */
 460 #define VFS_FETCH_FSP_EXTENSION(handle, fsp) \
 461     vfs_fetch_fsp_extension(handle, (fsp))
 462
 463 /* Return the talloc context associated with an FSP extension. */
 464 #define VFS_MEMCTX_FSP_EXTENSION(handle, fsp) \
 465     vfs_memctx_fsp_extension(handle, (fsp))
 466
 467 /* Remove and destroy an FSP extension. */
 468 #define VFS_REMOVE_FSP_EXTENSION(handle, fsp) \
 469     vfs_remove_fsp_extension((handle), (fsp))
 470
 471 #define SMB_VFS_HANDLE_GET_DATA(handle, datap, type, ret) { \
 472         if (!(handle)||((datap=(type *)(handle)->data)==NULL)) { \
 473                 DEBUG(0,("%s() failed to get vfs_handle->data!\n",__FUNCTION__)); \
 474                 ret; \
 475         } \
 476 }
 477
 478 #define SMB_VFS_HANDLE_SET_DATA(handle, datap, free_fn, type, ret) { \
 479         if (!(handle)) { \
 480                 DEBUG(0,("%s() failed to set handle->data!\n",__FUNCTION__)); \
 481                 ret; \
 482         } else { \
 483                 if ((handle)->free_data) { \
 484                         (handle)->free_data(&(handle)->data); \
 485                 } \
 486                 (handle)->data = (void *)datap; \
 487                 (handle)->free_data = free_fn; \
 488         } \
 489 }
 490
 491 #define SMB_VFS_HANDLE_FREE_DATA(handle) { \
 492         if ((handle) && (handle)->free_data) { \
 493                 (handle)->free_data(&(handle)->data); \
 494         } \
 495 }
 496
 497 /* Check whether module-specific data handle was already allocated or not */
 498 #define SMB_VFS_HANDLE_TEST_DATA(handle)  ( !(handle) || !(handle)->data ? False : True )
 499
 500 #define SMB_VFS_OP(x) ((void *) x)
 501
 502 #define DEFAULT_VFS_MODULE_NAME "/[Default VFS]/"
 503
 504 #include "vfs_macros.h"
 505
 506 int smb_vfs_call_connect(struct vfs_handle_struct *handle,
 507                          const char *service, const char *user);
 508 void smb_vfs_call_disconnect(struct vfs_handle_struct *handle);
 509 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
 510                                 const char *path, bool small_query,
 511                                 uint64_t *bsize, uint64_t *dfree,
 512                                 uint64_t *dsize);
 513 int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
 514                            enum SMB_QUOTA_TYPE qtype, unid_t id,
 515                            SMB_DISK_QUOTA *qt);
 516 int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
 517                            enum SMB_QUOTA_TYPE qtype, unid_t id,
 518                            SMB_DISK_QUOTA *qt);
 519 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
 520                                       struct files_struct *fsp,
 521                                       struct shadow_copy_data *shadow_copy_data,
 522                                       bool labels);
 523 int smb_vfs_call_statvfs(struct vfs_handle_struct *handle, const char *path,
 524                          struct vfs_statvfs_struct *statbuf);
 525 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
 526                         enum timestamp_set_resolution *p_ts_res);
 527 SMB_STRUCT_DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
 528                                      const char *fname, const char *mask,
 529                                      uint32 attributes);
 530 SMB_STRUCT_DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
 531                                         struct files_struct *fsp,
 532                                         const char *mask,
 533                                         uint32 attributes);
 534 SMB_STRUCT_DIRENT *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
 535                                         SMB_STRUCT_DIR *dirp,
 536                                         SMB_STRUCT_STAT *sbuf);
 537 void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
 538                           SMB_STRUCT_DIR *dirp, long offset);
 539 long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
 540                           SMB_STRUCT_DIR *dirp);
 541 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
 542                              SMB_STRUCT_DIR *dirp);
 543 int smb_vfs_call_mkdir(struct vfs_handle_struct *handle, const char *path,
 544                        mode_t mode);
 545 int smb_vfs_call_rmdir(struct vfs_handle_struct *handle, const char *path);
 546 int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
 547                           SMB_STRUCT_DIR *dir);
 548 void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
 549                                  SMB_STRUCT_DIR *dirp);
 550 int smb_vfs_call_open(struct vfs_handle_struct *handle,
 551                       struct smb_filename *smb_fname, struct files_struct *fsp,
 552                       int flags, mode_t mode);
 553 NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
 554                                   struct smb_request *req,
 555                                   uint16_t root_dir_fid,
 556                                   struct smb_filename *smb_fname,
 557                                   uint32_t access_mask,
 558                                   uint32_t share_access,
 559                                   uint32_t create_disposition,
 560                                   uint32_t create_options,
 561                                   uint32_t file_attributes,
 562                                   uint32_t oplock_request,
 563                                   uint64_t allocation_size,
 564                                   uint32_t private_flags,
 565                                   struct security_descriptor *sd,
 566                                   struct ea_list *ea_list,
 567                                   files_struct **result,
 568                                   int *pinfo);
 569 int smb_vfs_call_close_fn(struct vfs_handle_struct *handle,
 570                           struct files_struct *fsp);
 571 ssize_t smb_vfs_call_vfs_read(struct vfs_handle_struct *handle,
 572                               struct files_struct *fsp, void *data, size_t n);
 573 ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
 574                            struct files_struct *fsp, void *data, size_t n,
 575                            SMB_OFF_T offset);
 576 ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
 577                            struct files_struct *fsp, const void *data,
 578                            size_t n);
 579 ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
 580                             struct files_struct *fsp, const void *data,
 581                             size_t n, SMB_OFF_T offset);
 582 SMB_OFF_T smb_vfs_call_lseek(struct vfs_handle_struct *handle,
 583                              struct files_struct *fsp, SMB_OFF_T offset,
 584                              int whence);
 585 ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
 586                               files_struct *fromfsp, const DATA_BLOB *header,
 587                               SMB_OFF_T offset, size_t count);
 588 ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
 589                               files_struct *tofsp, SMB_OFF_T offset,
 590                               size_t count);
 591 int smb_vfs_call_rename(struct vfs_handle_struct *handle,
 592                         const struct smb_filename *smb_fname_src,
 593                         const struct smb_filename *smb_fname_dst);
 594 int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
 595                        struct files_struct *fsp);
 596 int smb_vfs_call_stat(struct vfs_handle_struct *handle,
 597                       struct smb_filename *smb_fname);
 598 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
 599                        struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
 600 int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
 601                        struct smb_filename *smb_filename);
 602 uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
 603                                      struct files_struct *fsp,
 604                                      const SMB_STRUCT_STAT *sbuf);
 605 int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
 606                         const struct smb_filename *smb_fname);
 607 int smb_vfs_call_chmod(struct vfs_handle_struct *handle, const char *path,
 608                        mode_t mode);
 609 int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
 610                         struct files_struct *fsp, mode_t mode);
 611 int smb_vfs_call_chown(struct vfs_handle_struct *handle, const char *path,
 612                        uid_t uid, gid_t gid);
 613 int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
 614                         struct files_struct *fsp, uid_t uid, gid_t gid);
 615 int smb_vfs_call_lchown(struct vfs_handle_struct *handle, const char *path,
 616                         uid_t uid, gid_t gid);
 617 int smb_vfs_call_chdir(struct vfs_handle_struct *handle, const char *path);
 618 char *smb_vfs_call_getwd(struct vfs_handle_struct *handle);
 619 int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
 620                         const struct smb_filename *smb_fname,
 621                         struct smb_file_time *ft);
 622 int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
 623                            struct files_struct *fsp, SMB_OFF_T offset);
 624 int smb_vfs_call_fallocate(struct vfs_handle_struct *handle,
 625                         struct files_struct *fsp,
 626                         enum vfs_fallocate_mode mode,
 627                         SMB_OFF_T offset,
 628                         SMB_OFF_T len);
 629 bool smb_vfs_call_lock(struct vfs_handle_struct *handle,
 630                        struct files_struct *fsp, int op, SMB_OFF_T offset,
 631                        SMB_OFF_T count, int type);
 632 int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
 633                               struct files_struct *fsp, uint32 share_mode,
 634                               uint32_t access_mask);
 635 int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
 636                                 struct files_struct *fsp, int leasetype);
 637 bool smb_vfs_call_getlock(struct vfs_handle_struct *handle,
 638                           struct files_struct *fsp, SMB_OFF_T *poffset,
 639                           SMB_OFF_T *pcount, int *ptype, pid_t *ppid);
 640 int smb_vfs_call_symlink(struct vfs_handle_struct *handle, const char *oldpath,
 641                          const char *newpath);
 642 int smb_vfs_call_vfs_readlink(struct vfs_handle_struct *handle,
 643                               const char *path, char *buf, size_t bufsiz);
 644 int smb_vfs_call_link(struct vfs_handle_struct *handle, const char *oldpath,
 645                       const char *newpath);
 646 int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
 647                        mode_t mode, SMB_DEV_T dev);
 648 char *smb_vfs_call_realpath(struct vfs_handle_struct *handle, const char *path);
 649 NTSTATUS smb_vfs_call_notify_watch(struct vfs_handle_struct *handle,
 650                                    struct sys_notify_context *ctx,
 651                                    struct notify_entry *e,
 652                                    void (*callback)(struct sys_notify_context *ctx,
 653                                                     void *private_data,
 654                                                     struct notify_event *ev),
 655                                    void *private_data, void *handle_p);
 656 int smb_vfs_call_chflags(struct vfs_handle_struct *handle, const char *path,
 657                          unsigned int flags);
 658 struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
 659                                            const SMB_STRUCT_STAT *sbuf);
 660 NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
 661                                  struct files_struct *fsp,
 662                                  const char *fname,
 663                                  TALLOC_CTX *mem_ctx,
 664                                  unsigned int *num_streams,
 665                                  struct stream_struct **streams);
 666 int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
 667                                    const char *path, const char *name,
 668                                    TALLOC_CTX *mem_ctx, char **found_name);
 669 const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
 670                                      const char *filename);
 671 NTSTATUS smb_vfs_call_brl_lock_windows(struct vfs_handle_struct *handle,
 672                                        struct byte_range_lock *br_lck,
 673                                        struct lock_struct *plock,
 674                                        bool blocking_lock,
 675                                        struct blocking_lock_record *blr);
 676 bool smb_vfs_call_brl_unlock_windows(struct vfs_handle_struct *handle,
 677                                      struct messaging_context *msg_ctx,
 678                                      struct byte_range_lock *br_lck,
 679                                      const struct lock_struct *plock);
 680 bool smb_vfs_call_brl_cancel_windows(struct vfs_handle_struct *handle,
 681                                      struct byte_range_lock *br_lck,
 682                                      struct lock_struct *plock,
 683                                      struct blocking_lock_record *blr);
 684 bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
 685                               struct files_struct *fsp,
 686                               struct lock_struct *plock);
 687 void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
 688                                 struct files_struct *fsp,
 689                                 struct lock_struct *plock);
 690 NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
 691                                      const char *name,
 692                                      enum vfs_translate_direction direction,
 693                                      TALLOC_CTX *mem_ctx,
 694                                      char **mapped_name);
 695 NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
 696                                   struct files_struct *fsp,
 697                                   uint32 security_info,
 698                                   struct security_descriptor **ppdesc);
 699 NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
 700                                  const char *name,
 701                                  uint32 security_info,
 702                                  struct security_descriptor **ppdesc);
 703 NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
 704                                   struct files_struct *fsp,
 705                                   uint32 security_info_sent,
 706                                   const struct security_descriptor *psd);
 707 int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle, const char *name,
 708                            mode_t mode);
 709 int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
 710                             struct files_struct *fsp, mode_t mode);
 711 int smb_vfs_call_sys_acl_get_entry(struct vfs_handle_struct *handle,
 712                                    SMB_ACL_T theacl, int entry_id,
 713                                    SMB_ACL_ENTRY_T *entry_p);
 714 int smb_vfs_call_sys_acl_get_tag_type(struct vfs_handle_struct *handle,
 715                                       SMB_ACL_ENTRY_T entry_d,
 716                                       SMB_ACL_TAG_T *tag_type_p);
 717 int smb_vfs_call_sys_acl_get_permset(struct vfs_handle_struct *handle,
 718                                      SMB_ACL_ENTRY_T entry_d,
 719                                      SMB_ACL_PERMSET_T *permset_p);
 720 void * smb_vfs_call_sys_acl_get_qualifier(struct vfs_handle_struct *handle,
 721                                           SMB_ACL_ENTRY_T entry_d);
 722 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
 723                                         const char *path_p,
 724                                         SMB_ACL_TYPE_T type);
 725 SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
 726                                       struct files_struct *fsp);
 727 int smb_vfs_call_sys_acl_clear_perms(struct vfs_handle_struct *handle,
 728                                      SMB_ACL_PERMSET_T permset);
 729 int smb_vfs_call_sys_acl_add_perm(struct vfs_handle_struct *handle,
 730                                   SMB_ACL_PERMSET_T permset,
 731                                   SMB_ACL_PERM_T perm);
 732 char * smb_vfs_call_sys_acl_to_text(struct vfs_handle_struct *handle,
 733                                     SMB_ACL_T theacl, ssize_t *plen);
 734 SMB_ACL_T smb_vfs_call_sys_acl_init(struct vfs_handle_struct *handle,
 735                                     int count);
 736 int smb_vfs_call_sys_acl_create_entry(struct vfs_handle_struct *handle,
 737                                       SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry);
 738 int smb_vfs_call_sys_acl_set_tag_type(struct vfs_handle_struct *handle,
 739                                       SMB_ACL_ENTRY_T entry,
 740                                       SMB_ACL_TAG_T tagtype);
 741 int smb_vfs_call_sys_acl_set_qualifier(struct vfs_handle_struct *handle,
 742                                        SMB_ACL_ENTRY_T entry, void *qual);
 743 int smb_vfs_call_sys_acl_set_permset(struct vfs_handle_struct *handle,
 744                                      SMB_ACL_ENTRY_T entry,
 745                                      SMB_ACL_PERMSET_T permset);
 746 int smb_vfs_call_sys_acl_valid(struct vfs_handle_struct *handle,
 747                                SMB_ACL_T theacl);
 748 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
 749                                   const char *name, SMB_ACL_TYPE_T acltype,
 750                                   SMB_ACL_T theacl);
 751 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
 752                                 struct files_struct *fsp, SMB_ACL_T theacl);
 753 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
 754                                          const char *path);
 755 int smb_vfs_call_sys_acl_get_perm(struct vfs_handle_struct *handle,
 756                                   SMB_ACL_PERMSET_T permset,
 757                                   SMB_ACL_PERM_T perm);
 758 int smb_vfs_call_sys_acl_free_text(struct vfs_handle_struct *handle,
 759                                    char *text);
 760 int smb_vfs_call_sys_acl_free_acl(struct vfs_handle_struct *handle,
 761                                   SMB_ACL_T posix_acl);
 762 int smb_vfs_call_sys_acl_free_qualifier(struct vfs_handle_struct *handle,
 763                                         void *qualifier, SMB_ACL_TAG_T tagtype);
 764 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
 765                               const char *path, const char *name, void *value,
 766                               size_t size);
 767 ssize_t smb_vfs_call_lgetxattr(struct vfs_handle_struct *handle,
 768                                const char *path, const char *name, void *value,
 769                                size_t size);
 770 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
 771                                struct files_struct *fsp, const char *name,
 772                                void *value, size_t size);
 773 ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
 774                                const char *path, char *list, size_t size);
 775 ssize_t smb_vfs_call_llistxattr(struct vfs_handle_struct *handle,
 776                                 const char *path, char *list, size_t size);
 777 ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
 778                                 struct files_struct *fsp, char *list,
 779                                 size_t size);
 780 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
 781                              const char *path, const char *name);
 782 int smb_vfs_call_lremovexattr(struct vfs_handle_struct *handle,
 783                               const char *path, const char *name);
 784 int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
 785                               struct files_struct *fsp, const char *name);
 786 int smb_vfs_call_setxattr(struct vfs_handle_struct *handle, const char *path,
 787                           const char *name, const void *value, size_t size,
 788                           int flags);
 789 int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
 790                            const char *name, const void *value, size_t size,
 791                            int flags);
 792 int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
 793                            struct files_struct *fsp, const char *name,
 794                            const void *value, size_t size, int flags);
 795 int smb_vfs_call_aio_read(struct vfs_handle_struct *handle,
 796                           struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 797 int smb_vfs_call_aio_write(struct vfs_handle_struct *handle,
 798                            struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 799 ssize_t smb_vfs_call_aio_return_fn(struct vfs_handle_struct *handle,
 800                                    struct files_struct *fsp,
 801                                    SMB_STRUCT_AIOCB *aiocb);
 802 int smb_vfs_call_aio_cancel(struct vfs_handle_struct *handle,
 803                             struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 804 int smb_vfs_call_aio_error_fn(struct vfs_handle_struct *handle,
 805                               struct files_struct *fsp,
 806                               SMB_STRUCT_AIOCB *aiocb);
 807 int smb_vfs_call_aio_fsync(struct vfs_handle_struct *handle,
 808                            struct files_struct *fsp, int op,
 809                            SMB_STRUCT_AIOCB *aiocb);
 810 int smb_vfs_call_aio_suspend(struct vfs_handle_struct *handle,
 811                              struct files_struct *fsp,
 812                              const SMB_STRUCT_AIOCB * const aiocb[], int n,
 813                              const struct timespec *timeout);
 814 bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
 815                             struct files_struct *fsp);
 816 bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
 817                              const struct smb_filename *fname,
 818                              SMB_STRUCT_STAT *sbuf);
 819 int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
 820                              const struct smb_filename *fname);
 821
 822 #endif /* _VFS_H */