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 #define SMB_VFS_INTERFACE_VERSION 28
 137
 138
 139 /* to bug old modules which are trying to compile with the old functions */
 140 #define vfs_init __ERROR_please_port_this_module_to_SMB_VFS_INTERFACE_VERSION_8_donot_use_vfs_init_anymore(void) { __ERROR_please_port_this_module_to_SMB_VFS_INTERFACE_VERSION_8_donot_use_vfs_init_anymore };
 141 #define lp_parm_string __ERROR_please_port_lp_parm_string_to_lp_parm_const_string_or_lp_parm_talloc_string { \
 142   __ERROR_please_port_lp_parm_string_to_lp_parm_const_string_or_lp_parm_talloc_string };
 143 #define lp_vfs_options __ERROR_please_donot_use_lp_vfs_options_anymore_use_lp_parm_xxxx_functions_instead { \
 144   __ERROR_please_donot_use_lp_vfs_options_anymore_use_lp_parm_xxxx_functions_instead };
 145
 146 /*
 147     All intercepted VFS operations must be declared as static functions inside module source
 148     in order to keep smbd namespace unpolluted. See source of audit, extd_audit, fake_perms and recycle
 149     example VFS modules for more details.
 150 */
 151
 152 /* VFS operations structure */
 153
 154 struct vfs_handle_struct;
 155 struct connection_struct;
 156 struct files_struct;
 157 struct security_descriptor;
 158 struct vfs_statvfs_struct;
 159 struct smb_request;
 160 struct ea_list;
 161 struct smb_file_time;
 162 struct blocking_lock_record;
 163 struct smb_filename;
 164
 165 #define VFS_FIND(__fn__) while (handle->fns->__fn__==NULL) { \
 166                                 handle = handle->next; \
 167                          }
 168
 169 enum vfs_translate_direction {
 170         vfs_translate_to_unix = 0,
 171         vfs_translate_to_windows
 172 };
 173
 174 enum vfs_fallocate_mode {
 175         VFS_FALLOCATE_EXTEND_SIZE = 0,
 176         VFS_FALLOCATE_KEEP_SIZE = 1
 177 };
 178
 179 /*
 180     Available VFS operations. These values must be in sync with vfs_ops struct
 181     (struct vfs_fn_pointers and struct vfs_handle_pointers inside of struct vfs_ops).
 182     In particular, if new operations are added to vfs_ops, appropriate constants
 183     should be added to vfs_op_type so that order of them kept same as in vfs_ops.
 184 */
 185
 186 struct vfs_fn_pointers {
 187         /* Disk operations */
 188
 189         int (*connect_fn)(struct vfs_handle_struct *handle, const char *service, const char *user);
 190         void (*disconnect)(struct vfs_handle_struct *handle);
 191         uint64_t (*disk_free)(struct vfs_handle_struct *handle, const char *path, bool small_query, uint64_t *bsize,
 192                               uint64_t *dfree, uint64_t *dsize);
 193         int (*get_quota)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
 194         int (*set_quota)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
 195         int (*get_shadow_copy_data)(struct vfs_handle_struct *handle, struct files_struct *fsp, SHADOW_COPY_DATA *shadow_copy_data, bool labels);
 196         int (*statvfs)(struct vfs_handle_struct *handle, const char *path, struct vfs_statvfs_struct *statbuf);
 197         uint32_t (*fs_capabilities)(struct vfs_handle_struct *handle, enum timestamp_set_resolution *p_ts_res);
 198
 199         /* Directory operations */
 200
 201         SMB_STRUCT_DIR *(*opendir)(struct vfs_handle_struct *handle, const char *fname, const char *mask, uint32 attributes);
 202         SMB_STRUCT_DIR *(*fdopendir)(struct vfs_handle_struct *handle, files_struct *fsp, const char *mask, uint32 attributes);
 203         SMB_STRUCT_DIRENT *(*readdir)(struct vfs_handle_struct *handle,
 204                                       SMB_STRUCT_DIR *dirp,
 205                                       SMB_STRUCT_STAT *sbuf);
 206         void (*seekdir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp, long offset);
 207         long (*telldir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
 208         void (*rewind_dir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
 209         int (*mkdir)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
 210         int (*rmdir)(struct vfs_handle_struct *handle, const char *path);
 211         int (*closedir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dir);
 212         void (*init_search_op)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
 213
 214         /* File operations */
 215
 216         int (*open)(struct vfs_handle_struct *handle,
 217                     struct smb_filename *smb_fname, files_struct *fsp,
 218                     int flags, mode_t mode);
 219         NTSTATUS (*create_file)(struct vfs_handle_struct *handle,
 220                                 struct smb_request *req,
 221                                 uint16_t root_dir_fid,
 222                                 struct smb_filename *smb_fname,
 223                                 uint32_t access_mask,
 224                                 uint32_t share_access,
 225                                 uint32_t create_disposition,
 226                                 uint32_t create_options,
 227                                 uint32_t file_attributes,
 228                                 uint32_t oplock_request,
 229                                 uint64_t allocation_size,
 230                                 uint32_t private_flags,
 231                                 struct security_descriptor *sd,
 232                                 struct ea_list *ea_list,
 233                                 files_struct **result,
 234                                 int *pinfo);
 235         int (*close_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 236         ssize_t (*vfs_read)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n);
 237         ssize_t (*pread)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n, SMB_OFF_T offset);
 238         ssize_t (*write)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n);
 239         ssize_t (*pwrite)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n, SMB_OFF_T offset);
 240         SMB_OFF_T (*lseek)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T offset, int whence);
 241         ssize_t (*sendfile)(struct vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *header, SMB_OFF_T offset, size_t count);
 242         ssize_t (*recvfile)(struct vfs_handle_struct *handle, int fromfd, files_struct *tofsp, SMB_OFF_T offset, size_t count);
 243         int (*rename)(struct vfs_handle_struct *handle,
 244                       const struct smb_filename *smb_fname_src,
 245                       const struct smb_filename *smb_fname_dst);
 246         int (*fsync)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 247         int (*stat)(struct vfs_handle_struct *handle, struct smb_filename *smb_fname);
 248         int (*fstat)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
 249         int (*lstat)(struct vfs_handle_struct *handle, struct smb_filename *smb_filename);
 250         uint64_t (*get_alloc_size)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_STAT *sbuf);
 251         int (*unlink)(struct vfs_handle_struct *handle,
 252                       const struct smb_filename *smb_fname);
 253         int (*chmod)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
 254         int (*fchmod)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
 255         int (*chown)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
 256         int (*fchown)(struct vfs_handle_struct *handle, struct files_struct *fsp, uid_t uid, gid_t gid);
 257         int (*lchown)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
 258         int (*chdir)(struct vfs_handle_struct *handle, const char *path);
 259         char *(*getwd)(struct vfs_handle_struct *handle, char *buf);
 260         int (*ntimes)(struct vfs_handle_struct *handle,
 261                       const struct smb_filename *smb_fname,
 262                       struct smb_file_time *ft);
 263         int (*ftruncate)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T offset);
 264         int (*fallocate)(struct vfs_handle_struct *handle,
 265                                 struct files_struct *fsp,
 266                                 enum vfs_fallocate_mode mode,
 267                                 SMB_OFF_T offset,
 268                                 SMB_OFF_T len);
 269         bool (*lock)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_OFF_T offset, SMB_OFF_T count, int type);
 270         int (*kernel_flock)(struct vfs_handle_struct *handle, struct files_struct *fsp,
 271                             uint32 share_mode, uint32_t access_mask);
 272         int (*linux_setlease)(struct vfs_handle_struct *handle, struct files_struct *fsp, int leasetype);
 273         bool (*getlock)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T *poffset, SMB_OFF_T *pcount, int *ptype, pid_t *ppid);
 274         int (*symlink)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
 275         int (*vfs_readlink)(struct vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz);
 276         int (*link)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
 277         int (*mknod)(struct vfs_handle_struct *handle, const char *path, mode_t mode, SMB_DEV_T dev);
 278         char *(*realpath)(struct vfs_handle_struct *handle, const char *path);
 279         NTSTATUS (*notify_watch)(struct vfs_handle_struct *handle,
 280                                  struct sys_notify_context *ctx,
 281                                  struct notify_entry *e,
 282                                  void (*callback)(struct sys_notify_context *ctx,
 283                                                   void *private_data,
 284                                                   struct notify_event *ev),
 285                                  void *private_data, void *handle_p);
 286         int (*chflags)(struct vfs_handle_struct *handle, const char *path, unsigned int flags);
 287         struct file_id (*file_id_create)(struct vfs_handle_struct *handle,
 288                                          const SMB_STRUCT_STAT *sbuf);
 289
 290         NTSTATUS (*streaminfo)(struct vfs_handle_struct *handle,
 291                                struct files_struct *fsp,
 292                                const char *fname,
 293                                TALLOC_CTX *mem_ctx,
 294                                unsigned int *num_streams,
 295                                struct stream_struct **streams);
 296
 297         int (*get_real_filename)(struct vfs_handle_struct *handle,
 298                                  const char *path,
 299                                  const char *name,
 300                                  TALLOC_CTX *mem_ctx,
 301                                  char **found_name);
 302
 303         const char *(*connectpath)(struct vfs_handle_struct *handle,
 304                                    const char *filename);
 305
 306         NTSTATUS (*brl_lock_windows)(struct vfs_handle_struct *handle,
 307                                      struct byte_range_lock *br_lck,
 308                                      struct lock_struct *plock,
 309                                      bool blocking_lock,
 310                                      struct blocking_lock_record *blr);
 311
 312         bool (*brl_unlock_windows)(struct vfs_handle_struct *handle,
 313                                    struct messaging_context *msg_ctx,
 314                                    struct byte_range_lock *br_lck,
 315                                    const struct lock_struct *plock);
 316
 317         bool (*brl_cancel_windows)(struct vfs_handle_struct *handle,
 318                                    struct byte_range_lock *br_lck,
 319                                    struct lock_struct *plock,
 320                                    struct blocking_lock_record *blr);
 321
 322         bool (*strict_lock)(struct vfs_handle_struct *handle,
 323                             struct files_struct *fsp,
 324                             struct lock_struct *plock);
 325
 326         void (*strict_unlock)(struct vfs_handle_struct *handle,
 327                               struct files_struct *fsp,
 328                               struct lock_struct *plock);
 329
 330         NTSTATUS (*translate_name)(struct vfs_handle_struct *handle,
 331                                    const char *name,
 332                                    enum vfs_translate_direction direction,
 333                                    TALLOC_CTX *mem_ctx,
 334                                    char **mapped_name);
 335
 336         /* NT ACL operations. */
 337
 338         NTSTATUS (*fget_nt_acl)(struct vfs_handle_struct *handle,
 339                                 struct files_struct *fsp,
 340                                 uint32 security_info,
 341                                 struct security_descriptor **ppdesc);
 342         NTSTATUS (*get_nt_acl)(struct vfs_handle_struct *handle,
 343                                const char *name,
 344                                uint32 security_info,
 345                                struct security_descriptor **ppdesc);
 346         NTSTATUS (*fset_nt_acl)(struct vfs_handle_struct *handle,
 347                                 struct files_struct *fsp,
 348                                 uint32 security_info_sent,
 349                                 const struct security_descriptor *psd);
 350
 351         /* POSIX ACL operations. */
 352
 353         int (*chmod_acl)(struct vfs_handle_struct *handle, const char *name, mode_t mode);
 354         int (*fchmod_acl)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
 355
 356         int (*sys_acl_get_entry)(struct vfs_handle_struct *handle, SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p);
 357         int (*sys_acl_get_tag_type)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p);
 358         int (*sys_acl_get_permset)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p);
 359         void * (*sys_acl_get_qualifier)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d);
 360         SMB_ACL_T (*sys_acl_get_file)(struct vfs_handle_struct *handle, const char *path_p, SMB_ACL_TYPE_T type);
 361         SMB_ACL_T (*sys_acl_get_fd)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 362         int (*sys_acl_clear_perms)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset);
 363         int (*sys_acl_add_perm)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm);
 364         char * (*sys_acl_to_text)(struct vfs_handle_struct *handle, SMB_ACL_T theacl, ssize_t *plen);
 365         SMB_ACL_T (*sys_acl_init)(struct vfs_handle_struct *handle, int count);
 366         int (*sys_acl_create_entry)(struct vfs_handle_struct *handle, SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry);
 367         int (*sys_acl_set_tag_type)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype);
 368         int (*sys_acl_set_qualifier)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, void *qual);
 369         int (*sys_acl_set_permset)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset);
 370         int (*sys_acl_valid)(struct vfs_handle_struct *handle, SMB_ACL_T theacl );
 371         int (*sys_acl_set_file)(struct vfs_handle_struct *handle, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl);
 372         int (*sys_acl_set_fd)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_ACL_T theacl);
 373         int (*sys_acl_delete_def_file)(struct vfs_handle_struct *handle, const char *path);
 374         int (*sys_acl_get_perm)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm);
 375         int (*sys_acl_free_text)(struct vfs_handle_struct *handle, char *text);
 376         int (*sys_acl_free_acl)(struct vfs_handle_struct *handle, SMB_ACL_T posix_acl);
 377         int (*sys_acl_free_qualifier)(struct vfs_handle_struct *handle, void *qualifier, SMB_ACL_TAG_T tagtype);
 378
 379         /* EA operations. */
 380         ssize_t (*getxattr)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
 381         ssize_t (*lgetxattr)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
 382         ssize_t (*fgetxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size);
 383         ssize_t (*listxattr)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
 384         ssize_t (*llistxattr)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
 385         ssize_t (*flistxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size);
 386         int (*removexattr)(struct vfs_handle_struct *handle, const char *path, const char *name);
 387         int (*lremovexattr)(struct vfs_handle_struct *handle, const char *path, const char *name);
 388         int (*fremovexattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name);
 389         int (*setxattr)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
 390         int (*lsetxattr)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
 391         int (*fsetxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags);
 392
 393         /* aio operations */
 394         int (*aio_read)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 395         int (*aio_write)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 396         ssize_t (*aio_return_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 397         int (*aio_cancel)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 398         int (*aio_error_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 399         int (*aio_fsync)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_STRUCT_AIOCB *aiocb);
 400         int (*aio_suspend)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_AIOCB * const aiocb[], int n, const struct timespec *timeout);
 401         bool (*aio_force)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 402
 403         /* offline operations */
 404         bool (*is_offline)(struct vfs_handle_struct *handle, const char *path, SMB_STRUCT_STAT *sbuf);
 405         int (*set_offline)(struct vfs_handle_struct *handle, const char *path);
 406 };
 407
 408 /*
 409     VFS operation description. Each VFS module registers an array of vfs_op_tuple to VFS subsystem,
 410     which describes all operations this module is willing to intercept.
 411     VFS subsystem initializes then the conn->vfs_ops and conn->vfs_opaque_ops structs
 412     using this information.
 413 */
 414
 415 typedef struct vfs_handle_struct {
 416         struct vfs_handle_struct  *next, *prev;
 417         const char *param;
 418         struct connection_struct *conn;
 419         const struct vfs_fn_pointers *fns;
 420         void *data;
 421         void (*free_data)(void **data);
 422 } vfs_handle_struct;
 423
 424
 425 typedef struct vfs_statvfs_struct {
 426         /* For undefined recommended transfer size return -1 in that field */
 427         uint32 OptimalTransferSize;  /* bsize on some os, iosize on other os */
 428         uint32 BlockSize;
 429
 430         /*
 431          The next three fields are in terms of the block size.
 432          (above). If block size is unknown, 4096 would be a
 433          reasonable block size for a server to report.
 434          Note that returning the blocks/blocksavail removes need
 435          to make a second call (to QFSInfo level 0x103 to get this info.
 436          UserBlockAvail is typically less than or equal to BlocksAvail,
 437          if no distinction is made return the same value in each.
 438         */
 439
 440         uint64_t TotalBlocks;
 441         uint64_t BlocksAvail;       /* bfree */
 442         uint64_t UserBlocksAvail;   /* bavail */
 443
 444         /* For undefined Node fields or FSID return -1 */
 445         uint64_t TotalFileNodes;
 446         uint64_t FreeFileNodes;
 447         uint64_t FsIdentifier;   /* fsid */
 448         /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */
 449         /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call   */
 450
 451         int FsCapabilities;
 452 } vfs_statvfs_struct;
 453
 454 /* Add a new FSP extension of the given type. Returns a pointer to the
 455  * extenstion data.
 456  */
 457 #define VFS_ADD_FSP_EXTENSION(handle, fsp, type, destroy_fn)            \
 458     vfs_add_fsp_extension_notype(handle, (fsp), sizeof(type), (destroy_fn))
 459
 460 /* Return a pointer to the existing FSP extension data. */
 461 #define VFS_FETCH_FSP_EXTENSION(handle, fsp) \
 462     vfs_fetch_fsp_extension(handle, (fsp))
 463
 464 /* Return the talloc context associated with an FSP extension. */
 465 #define VFS_MEMCTX_FSP_EXTENSION(handle, fsp) \
 466     vfs_memctx_fsp_extension(handle, (fsp))
 467
 468 /* Remove and destroy an FSP extension. */
 469 #define VFS_REMOVE_FSP_EXTENSION(handle, fsp) \
 470     vfs_remove_fsp_extension((handle), (fsp))
 471
 472 #define SMB_VFS_HANDLE_GET_DATA(handle, datap, type, ret) { \
 473         if (!(handle)||((datap=(type *)(handle)->data)==NULL)) { \
 474                 DEBUG(0,("%s() failed to get vfs_handle->data!\n",__FUNCTION__)); \
 475                 ret; \
 476         } \
 477 }
 478
 479 #define SMB_VFS_HANDLE_SET_DATA(handle, datap, free_fn, type, ret) { \
 480         if (!(handle)) { \
 481                 DEBUG(0,("%s() failed to set handle->data!\n",__FUNCTION__)); \
 482                 ret; \
 483         } else { \
 484                 if ((handle)->free_data) { \
 485                         (handle)->free_data(&(handle)->data); \
 486                 } \
 487                 (handle)->data = (void *)datap; \
 488                 (handle)->free_data = free_fn; \
 489         } \
 490 }
 491
 492 #define SMB_VFS_HANDLE_FREE_DATA(handle) { \
 493         if ((handle) && (handle)->free_data) { \
 494                 (handle)->free_data(&(handle)->data); \
 495         } \
 496 }
 497
 498 /* Check whether module-specific data handle was already allocated or not */
 499 #define SMB_VFS_HANDLE_TEST_DATA(handle)  ( !(handle) || !(handle)->data ? False : True )
 500
 501 #define SMB_VFS_OP(x) ((void *) x)
 502
 503 #define DEFAULT_VFS_MODULE_NAME "/[Default VFS]/"
 504
 505 #include "vfs_macros.h"
 506
 507 int smb_vfs_call_connect(struct vfs_handle_struct *handle,
 508                          const char *service, const char *user);
 509 void smb_vfs_call_disconnect(struct vfs_handle_struct *handle);
 510 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
 511                                 const char *path, bool small_query,
 512                                 uint64_t *bsize, uint64_t *dfree,
 513                                 uint64_t *dsize);
 514 int smb_vfs_call_get_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_set_quota(struct vfs_handle_struct *handle,
 518                            enum SMB_QUOTA_TYPE qtype, unid_t id,
 519                            SMB_DISK_QUOTA *qt);
 520 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
 521                                       struct files_struct *fsp,
 522                                       SHADOW_COPY_DATA *shadow_copy_data,
 523                                       bool labels);
 524 int smb_vfs_call_statvfs(struct vfs_handle_struct *handle, const char *path,
 525                          struct vfs_statvfs_struct *statbuf);
 526 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
 527                         enum timestamp_set_resolution *p_ts_res);
 528 SMB_STRUCT_DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
 529                                      const char *fname, const char *mask,
 530                                      uint32 attributes);
 531 SMB_STRUCT_DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
 532                                         struct files_struct *fsp,
 533                                         const char *mask,
 534                                         uint32 attributes);
 535 SMB_STRUCT_DIRENT *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
 536                                         SMB_STRUCT_DIR *dirp,
 537                                         SMB_STRUCT_STAT *sbuf);
 538 void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
 539                           SMB_STRUCT_DIR *dirp, long offset);
 540 long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
 541                           SMB_STRUCT_DIR *dirp);
 542 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
 543                              SMB_STRUCT_DIR *dirp);
 544 int smb_vfs_call_mkdir(struct vfs_handle_struct *handle, const char *path,
 545                        mode_t mode);
 546 int smb_vfs_call_rmdir(struct vfs_handle_struct *handle, const char *path);
 547 int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
 548                           SMB_STRUCT_DIR *dir);
 549 void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
 550                                  SMB_STRUCT_DIR *dirp);
 551 int smb_vfs_call_open(struct vfs_handle_struct *handle,
 552                       struct smb_filename *smb_fname, struct files_struct *fsp,
 553                       int flags, mode_t mode);
 554 NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
 555                                   struct smb_request *req,
 556                                   uint16_t root_dir_fid,
 557                                   struct smb_filename *smb_fname,
 558                                   uint32_t access_mask,
 559                                   uint32_t share_access,
 560                                   uint32_t create_disposition,
 561                                   uint32_t create_options,
 562                                   uint32_t file_attributes,
 563                                   uint32_t oplock_request,
 564                                   uint64_t allocation_size,
 565                                   uint32_t private_flags,
 566                                   struct security_descriptor *sd,
 567                                   struct ea_list *ea_list,
 568                                   files_struct **result,
 569                                   int *pinfo);
 570 int smb_vfs_call_close_fn(struct vfs_handle_struct *handle,
 571                           struct files_struct *fsp);
 572 ssize_t smb_vfs_call_vfs_read(struct vfs_handle_struct *handle,
 573                               struct files_struct *fsp, void *data, size_t n);
 574 ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
 575                            struct files_struct *fsp, void *data, size_t n,
 576                            SMB_OFF_T offset);
 577 ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
 578                            struct files_struct *fsp, const void *data,
 579                            size_t n);
 580 ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
 581                             struct files_struct *fsp, const void *data,
 582                             size_t n, SMB_OFF_T offset);
 583 SMB_OFF_T smb_vfs_call_lseek(struct vfs_handle_struct *handle,
 584                              struct files_struct *fsp, SMB_OFF_T offset,
 585                              int whence);
 586 ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
 587                               files_struct *fromfsp, const DATA_BLOB *header,
 588                               SMB_OFF_T offset, size_t count);
 589 ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
 590                               files_struct *tofsp, SMB_OFF_T offset,
 591                               size_t count);
 592 int smb_vfs_call_rename(struct vfs_handle_struct *handle,
 593                         const struct smb_filename *smb_fname_src,
 594                         const struct smb_filename *smb_fname_dst);
 595 int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
 596                        struct files_struct *fsp);
 597 int smb_vfs_call_stat(struct vfs_handle_struct *handle,
 598                       struct smb_filename *smb_fname);
 599 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
 600                        struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
 601 int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
 602                        struct smb_filename *smb_filename);
 603 uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
 604                                      struct files_struct *fsp,
 605                                      const SMB_STRUCT_STAT *sbuf);
 606 int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
 607                         const struct smb_filename *smb_fname);
 608 int smb_vfs_call_chmod(struct vfs_handle_struct *handle, const char *path,
 609                        mode_t mode);
 610 int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
 611                         struct files_struct *fsp, mode_t mode);
 612 int smb_vfs_call_chown(struct vfs_handle_struct *handle, const char *path,
 613                        uid_t uid, gid_t gid);
 614 int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
 615                         struct files_struct *fsp, uid_t uid, gid_t gid);
 616 int smb_vfs_call_lchown(struct vfs_handle_struct *handle, const char *path,
 617                         uid_t uid, gid_t gid);
 618 int smb_vfs_call_chdir(struct vfs_handle_struct *handle, const char *path);
 619 char *smb_vfs_call_getwd(struct vfs_handle_struct *handle, char *buf);
 620 int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
 621                         const struct smb_filename *smb_fname,
 622                         struct smb_file_time *ft);
 623 int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
 624                            struct files_struct *fsp, SMB_OFF_T offset);
 625 int smb_vfs_call_fallocate(struct vfs_handle_struct *handle,
 626                         struct files_struct *fsp,
 627                         enum vfs_fallocate_mode mode,
 628                         SMB_OFF_T offset,
 629                         SMB_OFF_T len);
 630 bool smb_vfs_call_lock(struct vfs_handle_struct *handle,
 631                        struct files_struct *fsp, int op, SMB_OFF_T offset,
 632                        SMB_OFF_T count, int type);
 633 int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
 634                               struct files_struct *fsp, uint32 share_mode,
 635                               uint32_t access_mask);
 636 int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
 637                                 struct files_struct *fsp, int leasetype);
 638 bool smb_vfs_call_getlock(struct vfs_handle_struct *handle,
 639                           struct files_struct *fsp, SMB_OFF_T *poffset,
 640                           SMB_OFF_T *pcount, int *ptype, pid_t *ppid);
 641 int smb_vfs_call_symlink(struct vfs_handle_struct *handle, const char *oldpath,
 642                          const char *newpath);
 643 int smb_vfs_call_vfs_readlink(struct vfs_handle_struct *handle,
 644                               const char *path, char *buf, size_t bufsiz);
 645 int smb_vfs_call_link(struct vfs_handle_struct *handle, const char *oldpath,
 646                       const char *newpath);
 647 int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
 648                        mode_t mode, SMB_DEV_T dev);
 649 char *smb_vfs_call_realpath(struct vfs_handle_struct *handle, const char *path);
 650 NTSTATUS smb_vfs_call_notify_watch(struct vfs_handle_struct *handle,
 651                                    struct sys_notify_context *ctx,
 652                                    struct notify_entry *e,
 653                                    void (*callback)(struct sys_notify_context *ctx,
 654                                                     void *private_data,
 655                                                     struct notify_event *ev),
 656                                    void *private_data, void *handle_p);
 657 int smb_vfs_call_chflags(struct vfs_handle_struct *handle, const char *path,
 658                          unsigned int flags);
 659 struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
 660                                            const SMB_STRUCT_STAT *sbuf);
 661 NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
 662                                  struct files_struct *fsp,
 663                                  const char *fname,
 664                                  TALLOC_CTX *mem_ctx,
 665                                  unsigned int *num_streams,
 666                                  struct stream_struct **streams);
 667 int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
 668                                    const char *path, const char *name,
 669                                    TALLOC_CTX *mem_ctx, char **found_name);
 670 const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
 671                                      const char *filename);
 672 NTSTATUS smb_vfs_call_brl_lock_windows(struct vfs_handle_struct *handle,
 673                                        struct byte_range_lock *br_lck,
 674                                        struct lock_struct *plock,
 675                                        bool blocking_lock,
 676                                        struct blocking_lock_record *blr);
 677 bool smb_vfs_call_brl_unlock_windows(struct vfs_handle_struct *handle,
 678                                      struct messaging_context *msg_ctx,
 679                                      struct byte_range_lock *br_lck,
 680                                      const struct lock_struct *plock);
 681 bool smb_vfs_call_brl_cancel_windows(struct vfs_handle_struct *handle,
 682                                      struct byte_range_lock *br_lck,
 683                                      struct lock_struct *plock,
 684                                      struct blocking_lock_record *blr);
 685 bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
 686                               struct files_struct *fsp,
 687                               struct lock_struct *plock);
 688 void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
 689                                 struct files_struct *fsp,
 690                                 struct lock_struct *plock);
 691 NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
 692                                      const char *name,
 693                                      enum vfs_translate_direction direction,
 694                                      TALLOC_CTX *mem_ctx,
 695                                      char **mapped_name);
 696 NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
 697                                   struct files_struct *fsp,
 698                                   uint32 security_info,
 699                                   struct security_descriptor **ppdesc);
 700 NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
 701                                  const char *name,
 702                                  uint32 security_info,
 703                                  struct security_descriptor **ppdesc);
 704 NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
 705                                   struct files_struct *fsp,
 706                                   uint32 security_info_sent,
 707                                   const struct security_descriptor *psd);
 708 int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle, const char *name,
 709                            mode_t mode);
 710 int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
 711                             struct files_struct *fsp, mode_t mode);
 712 int smb_vfs_call_sys_acl_get_entry(struct vfs_handle_struct *handle,
 713                                    SMB_ACL_T theacl, int entry_id,
 714                                    SMB_ACL_ENTRY_T *entry_p);
 715 int smb_vfs_call_sys_acl_get_tag_type(struct vfs_handle_struct *handle,
 716                                       SMB_ACL_ENTRY_T entry_d,
 717                                       SMB_ACL_TAG_T *tag_type_p);
 718 int smb_vfs_call_sys_acl_get_permset(struct vfs_handle_struct *handle,
 719                                      SMB_ACL_ENTRY_T entry_d,
 720                                      SMB_ACL_PERMSET_T *permset_p);
 721 void * smb_vfs_call_sys_acl_get_qualifier(struct vfs_handle_struct *handle,
 722                                           SMB_ACL_ENTRY_T entry_d);
 723 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
 724                                         const char *path_p,
 725                                         SMB_ACL_TYPE_T type);
 726 SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
 727                                       struct files_struct *fsp);
 728 int smb_vfs_call_sys_acl_clear_perms(struct vfs_handle_struct *handle,
 729                                      SMB_ACL_PERMSET_T permset);
 730 int smb_vfs_call_sys_acl_add_perm(struct vfs_handle_struct *handle,
 731                                   SMB_ACL_PERMSET_T permset,
 732                                   SMB_ACL_PERM_T perm);
 733 char * smb_vfs_call_sys_acl_to_text(struct vfs_handle_struct *handle,
 734                                     SMB_ACL_T theacl, ssize_t *plen);
 735 SMB_ACL_T smb_vfs_call_sys_acl_init(struct vfs_handle_struct *handle,
 736                                     int count);
 737 int smb_vfs_call_sys_acl_create_entry(struct vfs_handle_struct *handle,
 738                                       SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry);
 739 int smb_vfs_call_sys_acl_set_tag_type(struct vfs_handle_struct *handle,
 740                                       SMB_ACL_ENTRY_T entry,
 741                                       SMB_ACL_TAG_T tagtype);
 742 int smb_vfs_call_sys_acl_set_qualifier(struct vfs_handle_struct *handle,
 743                                        SMB_ACL_ENTRY_T entry, void *qual);
 744 int smb_vfs_call_sys_acl_set_permset(struct vfs_handle_struct *handle,
 745                                      SMB_ACL_ENTRY_T entry,
 746                                      SMB_ACL_PERMSET_T permset);
 747 int smb_vfs_call_sys_acl_valid(struct vfs_handle_struct *handle,
 748                                SMB_ACL_T theacl);
 749 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
 750                                   const char *name, SMB_ACL_TYPE_T acltype,
 751                                   SMB_ACL_T theacl);
 752 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
 753                                 struct files_struct *fsp, SMB_ACL_T theacl);
 754 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
 755                                          const char *path);
 756 int smb_vfs_call_sys_acl_get_perm(struct vfs_handle_struct *handle,
 757                                   SMB_ACL_PERMSET_T permset,
 758                                   SMB_ACL_PERM_T perm);
 759 int smb_vfs_call_sys_acl_free_text(struct vfs_handle_struct *handle,
 760                                    char *text);
 761 int smb_vfs_call_sys_acl_free_acl(struct vfs_handle_struct *handle,
 762                                   SMB_ACL_T posix_acl);
 763 int smb_vfs_call_sys_acl_free_qualifier(struct vfs_handle_struct *handle,
 764                                         void *qualifier, SMB_ACL_TAG_T tagtype);
 765 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
 766                               const char *path, const char *name, void *value,
 767                               size_t size);
 768 ssize_t smb_vfs_call_lgetxattr(struct vfs_handle_struct *handle,
 769                                const char *path, const char *name, void *value,
 770                                size_t size);
 771 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
 772                                struct files_struct *fsp, const char *name,
 773                                void *value, size_t size);
 774 ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
 775                                const char *path, char *list, size_t size);
 776 ssize_t smb_vfs_call_llistxattr(struct vfs_handle_struct *handle,
 777                                 const char *path, char *list, size_t size);
 778 ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
 779                                 struct files_struct *fsp, char *list,
 780                                 size_t size);
 781 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
 782                              const char *path, const char *name);
 783 int smb_vfs_call_lremovexattr(struct vfs_handle_struct *handle,
 784                               const char *path, const char *name);
 785 int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
 786                               struct files_struct *fsp, const char *name);
 787 int smb_vfs_call_setxattr(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_lsetxattr(struct vfs_handle_struct *handle, const char *path,
 791                            const char *name, const void *value, size_t size,
 792                            int flags);
 793 int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
 794                            struct files_struct *fsp, const char *name,
 795                            const void *value, size_t size, int flags);
 796 int smb_vfs_call_aio_read(struct vfs_handle_struct *handle,
 797                           struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 798 int smb_vfs_call_aio_write(struct vfs_handle_struct *handle,
 799                            struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 800 ssize_t smb_vfs_call_aio_return_fn(struct vfs_handle_struct *handle,
 801                                    struct files_struct *fsp,
 802                                    SMB_STRUCT_AIOCB *aiocb);
 803 int smb_vfs_call_aio_cancel(struct vfs_handle_struct *handle,
 804                             struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 805 int smb_vfs_call_aio_error_fn(struct vfs_handle_struct *handle,
 806                               struct files_struct *fsp,
 807                               SMB_STRUCT_AIOCB *aiocb);
 808 int smb_vfs_call_aio_fsync(struct vfs_handle_struct *handle,
 809                            struct files_struct *fsp, int op,
 810                            SMB_STRUCT_AIOCB *aiocb);
 811 int smb_vfs_call_aio_suspend(struct vfs_handle_struct *handle,
 812                              struct files_struct *fsp,
 813                              const SMB_STRUCT_AIOCB * const aiocb[], int n,
 814                              const struct timespec *timeout);
 815 bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
 816                             struct files_struct *fsp);
 817 bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
 818                              const char *path, SMB_STRUCT_STAT *sbuf);
 819 int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
 820                              const char *path);
 821
 822 #endif /* _VFS_H */