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 #define SMB_VFS_INTERFACE_VERSION 27
 129
 130
 131 /* to bug old modules which are trying to compile with the old functions */
 132 #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 };
 133 #define lp_parm_string __ERROR_please_port_lp_parm_string_to_lp_parm_const_string_or_lp_parm_talloc_string { \
 134   __ERROR_please_port_lp_parm_string_to_lp_parm_const_string_or_lp_parm_talloc_string };
 135 #define lp_vfs_options __ERROR_please_donot_use_lp_vfs_options_anymore_use_lp_parm_xxxx_functions_instead { \
 136   __ERROR_please_donot_use_lp_vfs_options_anymore_use_lp_parm_xxxx_functions_instead };
 137
 138 /*
 139     All intercepted VFS operations must be declared as static functions inside module source
 140     in order to keep smbd namespace unpolluted. See source of audit, extd_audit, fake_perms and recycle
 141     example VFS modules for more details.
 142 */
 143
 144 /* VFS operations structure */
 145
 146 struct vfs_handle_struct;
 147 struct connection_struct;
 148 struct files_struct;
 149 struct security_descriptor;
 150 struct vfs_statvfs_struct;
 151 struct smb_request;
 152 struct ea_list;
 153 struct smb_file_time;
 154 struct blocking_lock_record;
 155 struct smb_filename;
 156
 157 #define VFS_FIND(__fn__) while (handle->fns->__fn__==NULL) { \
 158                                 handle = handle->next; \
 159                          }
 160
 161 enum vfs_translate_direction {
 162         vfs_translate_to_unix = 0,
 163         vfs_translate_to_windows
 164 };
 165
 166 /*
 167     Available VFS operations. These values must be in sync with vfs_ops struct
 168     (struct vfs_fn_pointers and struct vfs_handle_pointers inside of struct vfs_ops).
 169     In particular, if new operations are added to vfs_ops, appropriate constants
 170     should be added to vfs_op_type so that order of them kept same as in vfs_ops.
 171 */
 172
 173 struct vfs_fn_pointers {
 174         /* Disk operations */
 175
 176         int (*connect_fn)(struct vfs_handle_struct *handle, const char *service, const char *user);
 177         void (*disconnect)(struct vfs_handle_struct *handle);
 178         uint64_t (*disk_free)(struct vfs_handle_struct *handle, const char *path, bool small_query, uint64_t *bsize,
 179                               uint64_t *dfree, uint64_t *dsize);
 180         int (*get_quota)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
 181         int (*set_quota)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
 182         int (*get_shadow_copy_data)(struct vfs_handle_struct *handle, struct files_struct *fsp, SHADOW_COPY_DATA *shadow_copy_data, bool labels);
 183         int (*statvfs)(struct vfs_handle_struct *handle, const char *path, struct vfs_statvfs_struct *statbuf);
 184         uint32_t (*fs_capabilities)(struct vfs_handle_struct *handle, enum timestamp_set_resolution *p_ts_res);
 185
 186         /* Directory operations */
 187
 188         SMB_STRUCT_DIR *(*opendir)(struct vfs_handle_struct *handle, const char *fname, const char *mask, uint32 attributes);
 189         SMB_STRUCT_DIRENT *(*readdir)(struct vfs_handle_struct *handle,
 190                                       SMB_STRUCT_DIR *dirp,
 191                                       SMB_STRUCT_STAT *sbuf);
 192         void (*seekdir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp, long offset);
 193         long (*telldir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
 194         void (*rewind_dir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
 195         int (*mkdir)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
 196         int (*rmdir)(struct vfs_handle_struct *handle, const char *path);
 197         int (*closedir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dir);
 198         void (*init_search_op)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
 199
 200         /* File operations */
 201
 202         int (*open)(struct vfs_handle_struct *handle,
 203                     struct smb_filename *smb_fname, files_struct *fsp,
 204                     int flags, mode_t mode);
 205         NTSTATUS (*create_file)(struct vfs_handle_struct *handle,
 206                                 struct smb_request *req,
 207                                 uint16_t root_dir_fid,
 208                                 struct smb_filename *smb_fname,
 209                                 uint32_t access_mask,
 210                                 uint32_t share_access,
 211                                 uint32_t create_disposition,
 212                                 uint32_t create_options,
 213                                 uint32_t file_attributes,
 214                                 uint32_t oplock_request,
 215                                 uint64_t allocation_size,
 216                                 struct security_descriptor *sd,
 217                                 struct ea_list *ea_list,
 218                                 files_struct **result,
 219                                 int *pinfo);
 220         int (*close_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 221         ssize_t (*vfs_read)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n);
 222         ssize_t (*pread)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n, SMB_OFF_T offset);
 223         ssize_t (*write)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n);
 224         ssize_t (*pwrite)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n, SMB_OFF_T offset);
 225         SMB_OFF_T (*lseek)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T offset, int whence);
 226         ssize_t (*sendfile)(struct vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *header, SMB_OFF_T offset, size_t count);
 227         ssize_t (*recvfile)(struct vfs_handle_struct *handle, int fromfd, files_struct *tofsp, SMB_OFF_T offset, size_t count);
 228         int (*rename)(struct vfs_handle_struct *handle,
 229                       const struct smb_filename *smb_fname_src,
 230                       const struct smb_filename *smb_fname_dst);
 231         int (*fsync)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 232         int (*stat)(struct vfs_handle_struct *handle, struct smb_filename *smb_fname);
 233         int (*fstat)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
 234         int (*lstat)(struct vfs_handle_struct *handle, struct smb_filename *smb_filename);
 235         uint64_t (*get_alloc_size)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_STAT *sbuf);
 236         int (*unlink)(struct vfs_handle_struct *handle,
 237                       const struct smb_filename *smb_fname);
 238         int (*chmod)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
 239         int (*fchmod)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
 240         int (*chown)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
 241         int (*fchown)(struct vfs_handle_struct *handle, struct files_struct *fsp, uid_t uid, gid_t gid);
 242         int (*lchown)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
 243         int (*chdir)(struct vfs_handle_struct *handle, const char *path);
 244         char *(*getwd)(struct vfs_handle_struct *handle, char *buf);
 245         int (*ntimes)(struct vfs_handle_struct *handle,
 246                       const struct smb_filename *smb_fname,
 247                       struct smb_file_time *ft);
 248         int (*ftruncate)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T offset);
 249         bool (*lock)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_OFF_T offset, SMB_OFF_T count, int type);
 250         int (*kernel_flock)(struct vfs_handle_struct *handle, struct files_struct *fsp,
 251                             uint32 share_mode, uint32_t access_mask);
 252         int (*linux_setlease)(struct vfs_handle_struct *handle, struct files_struct *fsp, int leasetype);
 253         bool (*getlock)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T *poffset, SMB_OFF_T *pcount, int *ptype, pid_t *ppid);
 254         int (*symlink)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
 255         int (*vfs_readlink)(struct vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz);
 256         int (*link)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
 257         int (*mknod)(struct vfs_handle_struct *handle, const char *path, mode_t mode, SMB_DEV_T dev);
 258         char *(*realpath)(struct vfs_handle_struct *handle, const char *path, char *resolved_path);
 259         NTSTATUS (*notify_watch)(struct vfs_handle_struct *handle,
 260                                  struct sys_notify_context *ctx,
 261                                  struct notify_entry *e,
 262                                  void (*callback)(struct sys_notify_context *ctx,
 263                                                   void *private_data,
 264                                                   struct notify_event *ev),
 265                                  void *private_data, void *handle_p);
 266         int (*chflags)(struct vfs_handle_struct *handle, const char *path, unsigned int flags);
 267         struct file_id (*file_id_create)(struct vfs_handle_struct *handle,
 268                                          const SMB_STRUCT_STAT *sbuf);
 269
 270         NTSTATUS (*streaminfo)(struct vfs_handle_struct *handle,
 271                                struct files_struct *fsp,
 272                                const char *fname,
 273                                TALLOC_CTX *mem_ctx,
 274                                unsigned int *num_streams,
 275                                struct stream_struct **streams);
 276
 277         int (*get_real_filename)(struct vfs_handle_struct *handle,
 278                                  const char *path,
 279                                  const char *name,
 280                                  TALLOC_CTX *mem_ctx,
 281                                  char **found_name);
 282
 283         const char *(*connectpath)(struct vfs_handle_struct *handle,
 284                                    const char *filename);
 285
 286         NTSTATUS (*brl_lock_windows)(struct vfs_handle_struct *handle,
 287                                      struct byte_range_lock *br_lck,
 288                                      struct lock_struct *plock,
 289                                      bool blocking_lock,
 290                                      struct blocking_lock_record *blr);
 291
 292         bool (*brl_unlock_windows)(struct vfs_handle_struct *handle,
 293                                    struct messaging_context *msg_ctx,
 294                                    struct byte_range_lock *br_lck,
 295                                    const struct lock_struct *plock);
 296
 297         bool (*brl_cancel_windows)(struct vfs_handle_struct *handle,
 298                                    struct byte_range_lock *br_lck,
 299                                    struct lock_struct *plock,
 300                                    struct blocking_lock_record *blr);
 301
 302         bool (*strict_lock)(struct vfs_handle_struct *handle,
 303                             struct files_struct *fsp,
 304                             struct lock_struct *plock);
 305
 306         void (*strict_unlock)(struct vfs_handle_struct *handle,
 307                               struct files_struct *fsp,
 308                               struct lock_struct *plock);
 309
 310         NTSTATUS (*translate_name)(struct vfs_handle_struct *handle,
 311                                    const char *name,
 312                                    enum vfs_translate_direction direction,
 313                                    TALLOC_CTX *mem_ctx,
 314                                    char **mapped_name);
 315
 316         /* NT ACL operations. */
 317
 318         NTSTATUS (*fget_nt_acl)(struct vfs_handle_struct *handle,
 319                                 struct files_struct *fsp,
 320                                 uint32 security_info,
 321                                 struct security_descriptor **ppdesc);
 322         NTSTATUS (*get_nt_acl)(struct vfs_handle_struct *handle,
 323                                const char *name,
 324                                uint32 security_info,
 325                                struct security_descriptor **ppdesc);
 326         NTSTATUS (*fset_nt_acl)(struct vfs_handle_struct *handle,
 327                                 struct files_struct *fsp,
 328                                 uint32 security_info_sent,
 329                                 const struct security_descriptor *psd);
 330
 331         /* POSIX ACL operations. */
 332
 333         int (*chmod_acl)(struct vfs_handle_struct *handle, const char *name, mode_t mode);
 334         int (*fchmod_acl)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
 335
 336         int (*sys_acl_get_entry)(struct vfs_handle_struct *handle, SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p);
 337         int (*sys_acl_get_tag_type)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p);
 338         int (*sys_acl_get_permset)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p);
 339         void * (*sys_acl_get_qualifier)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d);
 340         SMB_ACL_T (*sys_acl_get_file)(struct vfs_handle_struct *handle, const char *path_p, SMB_ACL_TYPE_T type);
 341         SMB_ACL_T (*sys_acl_get_fd)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 342         int (*sys_acl_clear_perms)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset);
 343         int (*sys_acl_add_perm)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm);
 344         char * (*sys_acl_to_text)(struct vfs_handle_struct *handle, SMB_ACL_T theacl, ssize_t *plen);
 345         SMB_ACL_T (*sys_acl_init)(struct vfs_handle_struct *handle, int count);
 346         int (*sys_acl_create_entry)(struct vfs_handle_struct *handle, SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry);
 347         int (*sys_acl_set_tag_type)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype);
 348         int (*sys_acl_set_qualifier)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, void *qual);
 349         int (*sys_acl_set_permset)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset);
 350         int (*sys_acl_valid)(struct vfs_handle_struct *handle, SMB_ACL_T theacl );
 351         int (*sys_acl_set_file)(struct vfs_handle_struct *handle, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl);
 352         int (*sys_acl_set_fd)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_ACL_T theacl);
 353         int (*sys_acl_delete_def_file)(struct vfs_handle_struct *handle, const char *path);
 354         int (*sys_acl_get_perm)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm);
 355         int (*sys_acl_free_text)(struct vfs_handle_struct *handle, char *text);
 356         int (*sys_acl_free_acl)(struct vfs_handle_struct *handle, SMB_ACL_T posix_acl);
 357         int (*sys_acl_free_qualifier)(struct vfs_handle_struct *handle, void *qualifier, SMB_ACL_TAG_T tagtype);
 358
 359         /* EA operations. */
 360         ssize_t (*getxattr)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
 361         ssize_t (*lgetxattr)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
 362         ssize_t (*fgetxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size);
 363         ssize_t (*listxattr)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
 364         ssize_t (*llistxattr)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
 365         ssize_t (*flistxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size);
 366         int (*removexattr)(struct vfs_handle_struct *handle, const char *path, const char *name);
 367         int (*lremovexattr)(struct vfs_handle_struct *handle, const char *path, const char *name);
 368         int (*fremovexattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name);
 369         int (*setxattr)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
 370         int (*lsetxattr)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
 371         int (*fsetxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags);
 372
 373         /* aio operations */
 374         int (*aio_read)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 375         int (*aio_write)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 376         ssize_t (*aio_return_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 377         int (*aio_cancel)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 378         int (*aio_error_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 379         int (*aio_fsync)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_STRUCT_AIOCB *aiocb);
 380         int (*aio_suspend)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_AIOCB * const aiocb[], int n, const struct timespec *timeout);
 381         bool (*aio_force)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 382
 383         /* offline operations */
 384         bool (*is_offline)(struct vfs_handle_struct *handle, const char *path, SMB_STRUCT_STAT *sbuf);
 385         int (*set_offline)(struct vfs_handle_struct *handle, const char *path);
 386 };
 387
 388 /*
 389     VFS operation description. Each VFS module registers an array of vfs_op_tuple to VFS subsystem,
 390     which describes all operations this module is willing to intercept.
 391     VFS subsystem initializes then the conn->vfs_ops and conn->vfs_opaque_ops structs
 392     using this information.
 393 */
 394
 395 typedef struct vfs_handle_struct {
 396         struct vfs_handle_struct  *next, *prev;
 397         const char *param;
 398         struct connection_struct *conn;
 399         const struct vfs_fn_pointers *fns;
 400         void *data;
 401         void (*free_data)(void **data);
 402 } vfs_handle_struct;
 403
 404
 405 typedef struct vfs_statvfs_struct {
 406         /* For undefined recommended transfer size return -1 in that field */
 407         uint32 OptimalTransferSize;  /* bsize on some os, iosize on other os */
 408         uint32 BlockSize;
 409
 410         /*
 411          The next three fields are in terms of the block size.
 412          (above). If block size is unknown, 4096 would be a
 413          reasonable block size for a server to report.
 414          Note that returning the blocks/blocksavail removes need
 415          to make a second call (to QFSInfo level 0x103 to get this info.
 416          UserBlockAvail is typically less than or equal to BlocksAvail,
 417          if no distinction is made return the same value in each.
 418         */
 419
 420         uint64_t TotalBlocks;
 421         uint64_t BlocksAvail;       /* bfree */
 422         uint64_t UserBlocksAvail;   /* bavail */
 423
 424         /* For undefined Node fields or FSID return -1 */
 425         uint64_t TotalFileNodes;
 426         uint64_t FreeFileNodes;
 427         uint64_t FsIdentifier;   /* fsid */
 428         /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */
 429         /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call   */
 430
 431         int FsCapabilities;
 432 } vfs_statvfs_struct;
 433
 434 /* Add a new FSP extension of the given type. Returns a pointer to the
 435  * extenstion data.
 436  */
 437 #define VFS_ADD_FSP_EXTENSION(handle, fsp, type, destroy_fn)            \
 438     vfs_add_fsp_extension_notype(handle, (fsp), sizeof(type), (destroy_fn))
 439
 440 /* Return a pointer to the existing FSP extension data. */
 441 #define VFS_FETCH_FSP_EXTENSION(handle, fsp) \
 442     vfs_fetch_fsp_extension(handle, (fsp))
 443
 444 /* Return the talloc context associated with an FSP extension. */
 445 #define VFS_MEMCTX_FSP_EXTENSION(handle, fsp) \
 446     vfs_memctx_fsp_extension(handle, (fsp))
 447
 448 /* Remove and destroy an FSP extension. */
 449 #define VFS_REMOVE_FSP_EXTENSION(handle, fsp) \
 450     vfs_remove_fsp_extension((handle), (fsp))
 451
 452 #define SMB_VFS_HANDLE_GET_DATA(handle, datap, type, ret) { \
 453         if (!(handle)||((datap=(type *)(handle)->data)==NULL)) { \
 454                 DEBUG(0,("%s() failed to get vfs_handle->data!\n",FUNCTION_MACRO)); \
 455                 ret; \
 456         } \
 457 }
 458
 459 #define SMB_VFS_HANDLE_SET_DATA(handle, datap, free_fn, type, ret) { \
 460         if (!(handle)) { \
 461                 DEBUG(0,("%s() failed to set handle->data!\n",FUNCTION_MACRO)); \
 462                 ret; \
 463         } else { \
 464                 if ((handle)->free_data) { \
 465                         (handle)->free_data(&(handle)->data); \
 466                 } \
 467                 (handle)->data = (void *)datap; \
 468                 (handle)->free_data = free_fn; \
 469         } \
 470 }
 471
 472 #define SMB_VFS_HANDLE_FREE_DATA(handle) { \
 473         if ((handle) && (handle)->free_data) { \
 474                 (handle)->free_data(&(handle)->data); \
 475         } \
 476 }
 477
 478 /* Check whether module-specific data handle was already allocated or not */
 479 #define SMB_VFS_HANDLE_TEST_DATA(handle)  ( !(handle) || !(handle)->data ? False : True )
 480
 481 #define SMB_VFS_OP(x) ((void *) x)
 482
 483 #define DEFAULT_VFS_MODULE_NAME "/[Default VFS]/"
 484
 485 #include "vfs_macros.h"
 486
 487 int smb_vfs_call_connect(struct vfs_handle_struct *handle,
 488                          const char *service, const char *user);
 489 void smb_vfs_call_disconnect(struct vfs_handle_struct *handle);
 490 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
 491                                 const char *path, bool small_query,
 492                                 uint64_t *bsize, uint64_t *dfree,
 493                                 uint64_t *dsize);
 494 int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
 495                            enum SMB_QUOTA_TYPE qtype, unid_t id,
 496                            SMB_DISK_QUOTA *qt);
 497 int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
 498                            enum SMB_QUOTA_TYPE qtype, unid_t id,
 499                            SMB_DISK_QUOTA *qt);
 500 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
 501                                       struct files_struct *fsp,
 502                                       SHADOW_COPY_DATA *shadow_copy_data,
 503                                       bool labels);
 504 int smb_vfs_call_statvfs(struct vfs_handle_struct *handle, const char *path,
 505                          struct vfs_statvfs_struct *statbuf);
 506 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
 507                         enum timestamp_set_resolution *p_ts_res);
 508 SMB_STRUCT_DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
 509                                      const char *fname, const char *mask,
 510                                      uint32 attributes);
 511 SMB_STRUCT_DIRENT *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
 512                                         SMB_STRUCT_DIR *dirp,
 513                                         SMB_STRUCT_STAT *sbuf);
 514 void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
 515                           SMB_STRUCT_DIR *dirp, long offset);
 516 long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
 517                           SMB_STRUCT_DIR *dirp);
 518 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
 519                              SMB_STRUCT_DIR *dirp);
 520 int smb_vfs_call_mkdir(struct vfs_handle_struct *handle, const char *path,
 521                        mode_t mode);
 522 int smb_vfs_call_rmdir(struct vfs_handle_struct *handle, const char *path);
 523 int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
 524                           SMB_STRUCT_DIR *dir);
 525 void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
 526                                  SMB_STRUCT_DIR *dirp);
 527 int smb_vfs_call_open(struct vfs_handle_struct *handle,
 528                       struct smb_filename *smb_fname, struct files_struct *fsp,
 529                       int flags, mode_t mode);
 530 NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
 531                                   struct smb_request *req,
 532                                   uint16_t root_dir_fid,
 533                                   struct smb_filename *smb_fname,
 534                                   uint32_t access_mask,
 535                                   uint32_t share_access,
 536                                   uint32_t create_disposition,
 537                                   uint32_t create_options,
 538                                   uint32_t file_attributes,
 539                                   uint32_t oplock_request,
 540                                   uint64_t allocation_size,
 541                                   struct security_descriptor *sd,
 542                                   struct ea_list *ea_list,
 543                                   files_struct **result,
 544                                   int *pinfo);
 545 int smb_vfs_call_close_fn(struct vfs_handle_struct *handle,
 546                           struct files_struct *fsp);
 547 ssize_t smb_vfs_call_vfs_read(struct vfs_handle_struct *handle,
 548                               struct files_struct *fsp, void *data, size_t n);
 549 ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
 550                            struct files_struct *fsp, void *data, size_t n,
 551                            SMB_OFF_T offset);
 552 ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
 553                            struct files_struct *fsp, const void *data,
 554                            size_t n);
 555 ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
 556                             struct files_struct *fsp, const void *data,
 557                             size_t n, SMB_OFF_T offset);
 558 SMB_OFF_T smb_vfs_call_lseek(struct vfs_handle_struct *handle,
 559                              struct files_struct *fsp, SMB_OFF_T offset,
 560                              int whence);
 561 ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
 562                               files_struct *fromfsp, const DATA_BLOB *header,
 563                               SMB_OFF_T offset, size_t count);
 564 ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
 565                               files_struct *tofsp, SMB_OFF_T offset,
 566                               size_t count);
 567 int smb_vfs_call_rename(struct vfs_handle_struct *handle,
 568                         const struct smb_filename *smb_fname_src,
 569                         const struct smb_filename *smb_fname_dst);
 570 int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
 571                        struct files_struct *fsp);
 572 int smb_vfs_call_stat(struct vfs_handle_struct *handle,
 573                       struct smb_filename *smb_fname);
 574 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
 575                        struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
 576 int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
 577                        struct smb_filename *smb_filename);
 578 uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
 579                                      struct files_struct *fsp,
 580                                      const SMB_STRUCT_STAT *sbuf);
 581 int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
 582                         const struct smb_filename *smb_fname);
 583 int smb_vfs_call_chmod(struct vfs_handle_struct *handle, const char *path,
 584                        mode_t mode);
 585 int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
 586                         struct files_struct *fsp, mode_t mode);
 587 int smb_vfs_call_chown(struct vfs_handle_struct *handle, const char *path,
 588                        uid_t uid, gid_t gid);
 589 int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
 590                         struct files_struct *fsp, uid_t uid, gid_t gid);
 591 int smb_vfs_call_lchown(struct vfs_handle_struct *handle, const char *path,
 592                         uid_t uid, gid_t gid);
 593 int smb_vfs_call_chdir(struct vfs_handle_struct *handle, const char *path);
 594 char *smb_vfs_call_getwd(struct vfs_handle_struct *handle, char *buf);
 595 int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
 596                         const struct smb_filename *smb_fname,
 597                         struct smb_file_time *ft);
 598 int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
 599                            struct files_struct *fsp, SMB_OFF_T offset);
 600 bool smb_vfs_call_lock(struct vfs_handle_struct *handle,
 601                        struct files_struct *fsp, int op, SMB_OFF_T offset,
 602                        SMB_OFF_T count, int type);
 603 int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
 604                               struct files_struct *fsp, uint32 share_mode,
 605                               uint32_t access_mask);
 606 int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
 607                                 struct files_struct *fsp, int leasetype);
 608 bool smb_vfs_call_getlock(struct vfs_handle_struct *handle,
 609                           struct files_struct *fsp, SMB_OFF_T *poffset,
 610                           SMB_OFF_T *pcount, int *ptype, pid_t *ppid);
 611 int smb_vfs_call_symlink(struct vfs_handle_struct *handle, const char *oldpath,
 612                          const char *newpath);
 613 int smb_vfs_call_vfs_readlink(struct vfs_handle_struct *handle,
 614                               const char *path, char *buf, size_t bufsiz);
 615 int smb_vfs_call_link(struct vfs_handle_struct *handle, const char *oldpath,
 616                       const char *newpath);
 617 int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
 618                        mode_t mode, SMB_DEV_T dev);
 619 char *smb_vfs_call_realpath(struct vfs_handle_struct *handle,
 620                             const char *path, char *resolved_path);
 621 NTSTATUS smb_vfs_call_notify_watch(struct vfs_handle_struct *handle,
 622                                    struct sys_notify_context *ctx,
 623                                    struct notify_entry *e,
 624                                    void (*callback)(struct sys_notify_context *ctx,
 625                                                     void *private_data,
 626                                                     struct notify_event *ev),
 627                                    void *private_data, void *handle_p);
 628 int smb_vfs_call_chflags(struct vfs_handle_struct *handle, const char *path,
 629                          unsigned int flags);
 630 struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
 631                                            const SMB_STRUCT_STAT *sbuf);
 632 NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
 633                                  struct files_struct *fsp,
 634                                  const char *fname,
 635                                  TALLOC_CTX *mem_ctx,
 636                                  unsigned int *num_streams,
 637                                  struct stream_struct **streams);
 638 int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
 639                                    const char *path, const char *name,
 640                                    TALLOC_CTX *mem_ctx, char **found_name);
 641 const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
 642                                      const char *filename);
 643 NTSTATUS smb_vfs_call_brl_lock_windows(struct vfs_handle_struct *handle,
 644                                        struct byte_range_lock *br_lck,
 645                                        struct lock_struct *plock,
 646                                        bool blocking_lock,
 647                                        struct blocking_lock_record *blr);
 648 bool smb_vfs_call_brl_unlock_windows(struct vfs_handle_struct *handle,
 649                                      struct messaging_context *msg_ctx,
 650                                      struct byte_range_lock *br_lck,
 651                                      const struct lock_struct *plock);
 652 bool smb_vfs_call_brl_cancel_windows(struct vfs_handle_struct *handle,
 653                                      struct byte_range_lock *br_lck,
 654                                      struct lock_struct *plock,
 655                                      struct blocking_lock_record *blr);
 656 bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
 657                               struct files_struct *fsp,
 658                               struct lock_struct *plock);
 659 void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
 660                                 struct files_struct *fsp,
 661                                 struct lock_struct *plock);
 662 NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
 663                                      const char *name,
 664                                      enum vfs_translate_direction direction,
 665                                      TALLOC_CTX *mem_ctx,
 666                                      char **mapped_name);
 667 NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
 668                                   struct files_struct *fsp,
 669                                   uint32 security_info,
 670                                   struct security_descriptor **ppdesc);
 671 NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
 672                                  const char *name,
 673                                  uint32 security_info,
 674                                  struct security_descriptor **ppdesc);
 675 NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
 676                                   struct files_struct *fsp,
 677                                   uint32 security_info_sent,
 678                                   const struct security_descriptor *psd);
 679 int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle, const char *name,
 680                            mode_t mode);
 681 int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
 682                             struct files_struct *fsp, mode_t mode);
 683 int smb_vfs_call_sys_acl_get_entry(struct vfs_handle_struct *handle,
 684                                    SMB_ACL_T theacl, int entry_id,
 685                                    SMB_ACL_ENTRY_T *entry_p);
 686 int smb_vfs_call_sys_acl_get_tag_type(struct vfs_handle_struct *handle,
 687                                       SMB_ACL_ENTRY_T entry_d,
 688                                       SMB_ACL_TAG_T *tag_type_p);
 689 int smb_vfs_call_sys_acl_get_permset(struct vfs_handle_struct *handle,
 690                                      SMB_ACL_ENTRY_T entry_d,
 691                                      SMB_ACL_PERMSET_T *permset_p);
 692 void * smb_vfs_call_sys_acl_get_qualifier(struct vfs_handle_struct *handle,
 693                                           SMB_ACL_ENTRY_T entry_d);
 694 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
 695                                         const char *path_p,
 696                                         SMB_ACL_TYPE_T type);
 697 SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
 698                                       struct files_struct *fsp);
 699 int smb_vfs_call_sys_acl_clear_perms(struct vfs_handle_struct *handle,
 700                                      SMB_ACL_PERMSET_T permset);
 701 int smb_vfs_call_sys_acl_add_perm(struct vfs_handle_struct *handle,
 702                                   SMB_ACL_PERMSET_T permset,
 703                                   SMB_ACL_PERM_T perm);
 704 char * smb_vfs_call_sys_acl_to_text(struct vfs_handle_struct *handle,
 705                                     SMB_ACL_T theacl, ssize_t *plen);
 706 SMB_ACL_T smb_vfs_call_sys_acl_init(struct vfs_handle_struct *handle,
 707                                     int count);
 708 int smb_vfs_call_sys_acl_create_entry(struct vfs_handle_struct *handle,
 709                                       SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry);
 710 int smb_vfs_call_sys_acl_set_tag_type(struct vfs_handle_struct *handle,
 711                                       SMB_ACL_ENTRY_T entry,
 712                                       SMB_ACL_TAG_T tagtype);
 713 int smb_vfs_call_sys_acl_set_qualifier(struct vfs_handle_struct *handle,
 714                                        SMB_ACL_ENTRY_T entry, void *qual);
 715 int smb_vfs_call_sys_acl_set_permset(struct vfs_handle_struct *handle,
 716                                      SMB_ACL_ENTRY_T entry,
 717                                      SMB_ACL_PERMSET_T permset);
 718 int smb_vfs_call_sys_acl_valid(struct vfs_handle_struct *handle,
 719                                SMB_ACL_T theacl);
 720 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
 721                                   const char *name, SMB_ACL_TYPE_T acltype,
 722                                   SMB_ACL_T theacl);
 723 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
 724                                 struct files_struct *fsp, SMB_ACL_T theacl);
 725 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
 726                                          const char *path);
 727 int smb_vfs_call_sys_acl_get_perm(struct vfs_handle_struct *handle,
 728                                   SMB_ACL_PERMSET_T permset,
 729                                   SMB_ACL_PERM_T perm);
 730 int smb_vfs_call_sys_acl_free_text(struct vfs_handle_struct *handle,
 731                                    char *text);
 732 int smb_vfs_call_sys_acl_free_acl(struct vfs_handle_struct *handle,
 733                                   SMB_ACL_T posix_acl);
 734 int smb_vfs_call_sys_acl_free_qualifier(struct vfs_handle_struct *handle,
 735                                         void *qualifier, SMB_ACL_TAG_T tagtype);
 736 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
 737                               const char *path, const char *name, void *value,
 738                               size_t size);
 739 ssize_t smb_vfs_call_lgetxattr(struct vfs_handle_struct *handle,
 740                                const char *path, const char *name, void *value,
 741                                size_t size);
 742 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
 743                                struct files_struct *fsp, const char *name,
 744                                void *value, size_t size);
 745 ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
 746                                const char *path, char *list, size_t size);
 747 ssize_t smb_vfs_call_llistxattr(struct vfs_handle_struct *handle,
 748                                 const char *path, char *list, size_t size);
 749 ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
 750                                 struct files_struct *fsp, char *list,
 751                                 size_t size);
 752 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
 753                              const char *path, const char *name);
 754 int smb_vfs_call_lremovexattr(struct vfs_handle_struct *handle,
 755                               const char *path, const char *name);
 756 int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
 757                               struct files_struct *fsp, const char *name);
 758 int smb_vfs_call_setxattr(struct vfs_handle_struct *handle, const char *path,
 759                           const char *name, const void *value, size_t size,
 760                           int flags);
 761 int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
 762                            const char *name, const void *value, size_t size,
 763                            int flags);
 764 int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
 765                            struct files_struct *fsp, const char *name,
 766                            const void *value, size_t size, int flags);
 767 int smb_vfs_call_aio_read(struct vfs_handle_struct *handle,
 768                           struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 769 int smb_vfs_call_aio_write(struct vfs_handle_struct *handle,
 770                            struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 771 ssize_t smb_vfs_call_aio_return_fn(struct vfs_handle_struct *handle,
 772                                    struct files_struct *fsp,
 773                                    SMB_STRUCT_AIOCB *aiocb);
 774 int smb_vfs_call_aio_cancel(struct vfs_handle_struct *handle,
 775                             struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 776 int smb_vfs_call_aio_error_fn(struct vfs_handle_struct *handle,
 777                               struct files_struct *fsp,
 778                               SMB_STRUCT_AIOCB *aiocb);
 779 int smb_vfs_call_aio_fsync(struct vfs_handle_struct *handle,
 780                            struct files_struct *fsp, int op,
 781                            SMB_STRUCT_AIOCB *aiocb);
 782 int smb_vfs_call_aio_suspend(struct vfs_handle_struct *handle,
 783                              struct files_struct *fsp,
 784                              const SMB_STRUCT_AIOCB * const aiocb[], int n,
 785                              const struct timespec *timeout);
 786 bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
 787                             struct files_struct *fsp);
 788 bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
 789                              const char *path, SMB_STRUCT_STAT *sbuf);
 790 int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
 791                              const char *path);
 792
 793 #endif /* _VFS_H */