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 #define SMB_VFS_INTERFACE_VERSION 28
 130
 131
 132 /* to bug old modules which are trying to compile with the old functions */
 133 #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 };
 134 #define lp_parm_string __ERROR_please_port_lp_parm_string_to_lp_parm_const_string_or_lp_parm_talloc_string { \
 135   __ERROR_please_port_lp_parm_string_to_lp_parm_const_string_or_lp_parm_talloc_string };
 136 #define lp_vfs_options __ERROR_please_donot_use_lp_vfs_options_anymore_use_lp_parm_xxxx_functions_instead { \
 137   __ERROR_please_donot_use_lp_vfs_options_anymore_use_lp_parm_xxxx_functions_instead };
 138
 139 /*
 140     All intercepted VFS operations must be declared as static functions inside module source
 141     in order to keep smbd namespace unpolluted. See source of audit, extd_audit, fake_perms and recycle
 142     example VFS modules for more details.
 143 */
 144
 145 /* VFS operations structure */
 146
 147 struct vfs_handle_struct;
 148 struct connection_struct;
 149 struct files_struct;
 150 struct security_descriptor;
 151 struct vfs_statvfs_struct;
 152 struct smb_request;
 153 struct ea_list;
 154 struct smb_file_time;
 155 struct blocking_lock_record;
 156 struct smb_filename;
 157
 158 #define VFS_FIND(__fn__) while (handle->fns->__fn__==NULL) { \
 159                                 handle = handle->next; \
 160                          }
 161
 162 enum vfs_translate_direction {
 163         vfs_translate_to_unix = 0,
 164         vfs_translate_to_windows
 165 };
 166
 167 /*
 168     Available VFS operations. These values must be in sync with vfs_ops struct
 169     (struct vfs_fn_pointers and struct vfs_handle_pointers inside of struct vfs_ops).
 170     In particular, if new operations are added to vfs_ops, appropriate constants
 171     should be added to vfs_op_type so that order of them kept same as in vfs_ops.
 172 */
 173
 174 struct vfs_fn_pointers {
 175         /* Disk operations */
 176
 177         int (*connect_fn)(struct vfs_handle_struct *handle, const char *service, const char *user);
 178         void (*disconnect)(struct vfs_handle_struct *handle);
 179         uint64_t (*disk_free)(struct vfs_handle_struct *handle, const char *path, bool small_query, uint64_t *bsize,
 180                               uint64_t *dfree, uint64_t *dsize);
 181         int (*get_quota)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
 182         int (*set_quota)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
 183         int (*get_shadow_copy_data)(struct vfs_handle_struct *handle, struct files_struct *fsp, SHADOW_COPY_DATA *shadow_copy_data, bool labels);
 184         int (*statvfs)(struct vfs_handle_struct *handle, const char *path, struct vfs_statvfs_struct *statbuf);
 185         uint32_t (*fs_capabilities)(struct vfs_handle_struct *handle, enum timestamp_set_resolution *p_ts_res);
 186
 187         /* Directory operations */
 188
 189         SMB_STRUCT_DIR *(*opendir)(struct vfs_handle_struct *handle, const char *fname, const char *mask, uint32 attributes);
 190         SMB_STRUCT_DIRENT *(*readdir)(struct vfs_handle_struct *handle,
 191                                       SMB_STRUCT_DIR *dirp,
 192                                       SMB_STRUCT_STAT *sbuf);
 193         void (*seekdir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp, long offset);
 194         long (*telldir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
 195         void (*rewind_dir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
 196         int (*mkdir)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
 197         int (*rmdir)(struct vfs_handle_struct *handle, const char *path);
 198         int (*closedir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dir);
 199         void (*init_search_op)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
 200
 201         /* File operations */
 202
 203         int (*open)(struct vfs_handle_struct *handle,
 204                     struct smb_filename *smb_fname, files_struct *fsp,
 205                     int flags, mode_t mode);
 206         NTSTATUS (*create_file)(struct vfs_handle_struct *handle,
 207                                 struct smb_request *req,
 208                                 uint16_t root_dir_fid,
 209                                 struct smb_filename *smb_fname,
 210                                 uint32_t access_mask,
 211                                 uint32_t share_access,
 212                                 uint32_t create_disposition,
 213                                 uint32_t create_options,
 214                                 uint32_t file_attributes,
 215                                 uint32_t oplock_request,
 216                                 uint64_t allocation_size,
 217                                 uint32_t private_flags,
 218                                 struct security_descriptor *sd,
 219                                 struct ea_list *ea_list,
 220                                 files_struct **result,
 221                                 int *pinfo);
 222         int (*close_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 223         ssize_t (*vfs_read)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n);
 224         ssize_t (*pread)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n, SMB_OFF_T offset);
 225         ssize_t (*write)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n);
 226         ssize_t (*pwrite)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n, SMB_OFF_T offset);
 227         SMB_OFF_T (*lseek)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T offset, int whence);
 228         ssize_t (*sendfile)(struct vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *header, SMB_OFF_T offset, size_t count);
 229         ssize_t (*recvfile)(struct vfs_handle_struct *handle, int fromfd, files_struct *tofsp, SMB_OFF_T offset, size_t count);
 230         int (*rename)(struct vfs_handle_struct *handle,
 231                       const struct smb_filename *smb_fname_src,
 232                       const struct smb_filename *smb_fname_dst);
 233         int (*fsync)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 234         int (*stat)(struct vfs_handle_struct *handle, struct smb_filename *smb_fname);
 235         int (*fstat)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
 236         int (*lstat)(struct vfs_handle_struct *handle, struct smb_filename *smb_filename);
 237         uint64_t (*get_alloc_size)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_STAT *sbuf);
 238         int (*unlink)(struct vfs_handle_struct *handle,
 239                       const struct smb_filename *smb_fname);
 240         int (*chmod)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
 241         int (*fchmod)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
 242         int (*chown)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
 243         int (*fchown)(struct vfs_handle_struct *handle, struct files_struct *fsp, uid_t uid, gid_t gid);
 244         int (*lchown)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
 245         int (*chdir)(struct vfs_handle_struct *handle, const char *path);
 246         char *(*getwd)(struct vfs_handle_struct *handle, char *buf);
 247         int (*ntimes)(struct vfs_handle_struct *handle,
 248                       const struct smb_filename *smb_fname,
 249                       struct smb_file_time *ft);
 250         int (*ftruncate)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T offset);
 251         bool (*lock)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_OFF_T offset, SMB_OFF_T count, int type);
 252         int (*kernel_flock)(struct vfs_handle_struct *handle, struct files_struct *fsp,
 253                             uint32 share_mode, uint32_t access_mask);
 254         int (*linux_setlease)(struct vfs_handle_struct *handle, struct files_struct *fsp, int leasetype);
 255         bool (*getlock)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T *poffset, SMB_OFF_T *pcount, int *ptype, pid_t *ppid);
 256         int (*symlink)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
 257         int (*vfs_readlink)(struct vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz);
 258         int (*link)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
 259         int (*mknod)(struct vfs_handle_struct *handle, const char *path, mode_t mode, SMB_DEV_T dev);
 260         char *(*realpath)(struct vfs_handle_struct *handle, const char *path, char *resolved_path);
 261         NTSTATUS (*notify_watch)(struct vfs_handle_struct *handle,
 262                                  struct sys_notify_context *ctx,
 263                                  struct notify_entry *e,
 264                                  void (*callback)(struct sys_notify_context *ctx,
 265                                                   void *private_data,
 266                                                   struct notify_event *ev),
 267                                  void *private_data, void *handle_p);
 268         int (*chflags)(struct vfs_handle_struct *handle, const char *path, unsigned int flags);
 269         struct file_id (*file_id_create)(struct vfs_handle_struct *handle,
 270                                          const SMB_STRUCT_STAT *sbuf);
 271
 272         NTSTATUS (*streaminfo)(struct vfs_handle_struct *handle,
 273                                struct files_struct *fsp,
 274                                const char *fname,
 275                                TALLOC_CTX *mem_ctx,
 276                                unsigned int *num_streams,
 277                                struct stream_struct **streams);
 278
 279         int (*get_real_filename)(struct vfs_handle_struct *handle,
 280                                  const char *path,
 281                                  const char *name,
 282                                  TALLOC_CTX *mem_ctx,
 283                                  char **found_name);
 284
 285         const char *(*connectpath)(struct vfs_handle_struct *handle,
 286                                    const char *filename);
 287
 288         NTSTATUS (*brl_lock_windows)(struct vfs_handle_struct *handle,
 289                                      struct byte_range_lock *br_lck,
 290                                      struct lock_struct *plock,
 291                                      bool blocking_lock,
 292                                      struct blocking_lock_record *blr);
 293
 294         bool (*brl_unlock_windows)(struct vfs_handle_struct *handle,
 295                                    struct messaging_context *msg_ctx,
 296                                    struct byte_range_lock *br_lck,
 297                                    const struct lock_struct *plock);
 298
 299         bool (*brl_cancel_windows)(struct vfs_handle_struct *handle,
 300                                    struct byte_range_lock *br_lck,
 301                                    struct lock_struct *plock,
 302                                    struct blocking_lock_record *blr);
 303
 304         bool (*strict_lock)(struct vfs_handle_struct *handle,
 305                             struct files_struct *fsp,
 306                             struct lock_struct *plock);
 307
 308         void (*strict_unlock)(struct vfs_handle_struct *handle,
 309                               struct files_struct *fsp,
 310                               struct lock_struct *plock);
 311
 312         NTSTATUS (*translate_name)(struct vfs_handle_struct *handle,
 313                                    const char *name,
 314                                    enum vfs_translate_direction direction,
 315                                    TALLOC_CTX *mem_ctx,
 316                                    char **mapped_name);
 317
 318         /* NT ACL operations. */
 319
 320         NTSTATUS (*fget_nt_acl)(struct vfs_handle_struct *handle,
 321                                 struct files_struct *fsp,
 322                                 uint32 security_info,
 323                                 struct security_descriptor **ppdesc);
 324         NTSTATUS (*get_nt_acl)(struct vfs_handle_struct *handle,
 325                                const char *name,
 326                                uint32 security_info,
 327                                struct security_descriptor **ppdesc);
 328         NTSTATUS (*fset_nt_acl)(struct vfs_handle_struct *handle,
 329                                 struct files_struct *fsp,
 330                                 uint32 security_info_sent,
 331                                 const struct security_descriptor *psd);
 332
 333         /* POSIX ACL operations. */
 334
 335         int (*chmod_acl)(struct vfs_handle_struct *handle, const char *name, mode_t mode);
 336         int (*fchmod_acl)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
 337
 338         int (*sys_acl_get_entry)(struct vfs_handle_struct *handle, SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p);
 339         int (*sys_acl_get_tag_type)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p);
 340         int (*sys_acl_get_permset)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p);
 341         void * (*sys_acl_get_qualifier)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d);
 342         SMB_ACL_T (*sys_acl_get_file)(struct vfs_handle_struct *handle, const char *path_p, SMB_ACL_TYPE_T type);
 343         SMB_ACL_T (*sys_acl_get_fd)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 344         int (*sys_acl_clear_perms)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset);
 345         int (*sys_acl_add_perm)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm);
 346         char * (*sys_acl_to_text)(struct vfs_handle_struct *handle, SMB_ACL_T theacl, ssize_t *plen);
 347         SMB_ACL_T (*sys_acl_init)(struct vfs_handle_struct *handle, int count);
 348         int (*sys_acl_create_entry)(struct vfs_handle_struct *handle, SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry);
 349         int (*sys_acl_set_tag_type)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype);
 350         int (*sys_acl_set_qualifier)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, void *qual);
 351         int (*sys_acl_set_permset)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset);
 352         int (*sys_acl_valid)(struct vfs_handle_struct *handle, SMB_ACL_T theacl );
 353         int (*sys_acl_set_file)(struct vfs_handle_struct *handle, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl);
 354         int (*sys_acl_set_fd)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_ACL_T theacl);
 355         int (*sys_acl_delete_def_file)(struct vfs_handle_struct *handle, const char *path);
 356         int (*sys_acl_get_perm)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm);
 357         int (*sys_acl_free_text)(struct vfs_handle_struct *handle, char *text);
 358         int (*sys_acl_free_acl)(struct vfs_handle_struct *handle, SMB_ACL_T posix_acl);
 359         int (*sys_acl_free_qualifier)(struct vfs_handle_struct *handle, void *qualifier, SMB_ACL_TAG_T tagtype);
 360
 361         /* EA operations. */
 362         ssize_t (*getxattr)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
 363         ssize_t (*lgetxattr)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
 364         ssize_t (*fgetxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size);
 365         ssize_t (*listxattr)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
 366         ssize_t (*llistxattr)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
 367         ssize_t (*flistxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size);
 368         int (*removexattr)(struct vfs_handle_struct *handle, const char *path, const char *name);
 369         int (*lremovexattr)(struct vfs_handle_struct *handle, const char *path, const char *name);
 370         int (*fremovexattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name);
 371         int (*setxattr)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
 372         int (*lsetxattr)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
 373         int (*fsetxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags);
 374
 375         /* aio operations */
 376         int (*aio_read)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 377         int (*aio_write)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 378         ssize_t (*aio_return_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 379         int (*aio_cancel)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 380         int (*aio_error_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 381         int (*aio_fsync)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_STRUCT_AIOCB *aiocb);
 382         int (*aio_suspend)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_AIOCB * const aiocb[], int n, const struct timespec *timeout);
 383         bool (*aio_force)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 384
 385         /* offline operations */
 386         bool (*is_offline)(struct vfs_handle_struct *handle, const char *path, SMB_STRUCT_STAT *sbuf);
 387         int (*set_offline)(struct vfs_handle_struct *handle, const char *path);
 388 };
 389
 390 /*
 391     VFS operation description. Each VFS module registers an array of vfs_op_tuple to VFS subsystem,
 392     which describes all operations this module is willing to intercept.
 393     VFS subsystem initializes then the conn->vfs_ops and conn->vfs_opaque_ops structs
 394     using this information.
 395 */
 396
 397 typedef struct vfs_handle_struct {
 398         struct vfs_handle_struct  *next, *prev;
 399         const char *param;
 400         struct connection_struct *conn;
 401         const struct vfs_fn_pointers *fns;
 402         void *data;
 403         void (*free_data)(void **data);
 404 } vfs_handle_struct;
 405
 406
 407 typedef struct vfs_statvfs_struct {
 408         /* For undefined recommended transfer size return -1 in that field */
 409         uint32 OptimalTransferSize;  /* bsize on some os, iosize on other os */
 410         uint32 BlockSize;
 411
 412         /*
 413          The next three fields are in terms of the block size.
 414          (above). If block size is unknown, 4096 would be a
 415          reasonable block size for a server to report.
 416          Note that returning the blocks/blocksavail removes need
 417          to make a second call (to QFSInfo level 0x103 to get this info.
 418          UserBlockAvail is typically less than or equal to BlocksAvail,
 419          if no distinction is made return the same value in each.
 420         */
 421
 422         uint64_t TotalBlocks;
 423         uint64_t BlocksAvail;       /* bfree */
 424         uint64_t UserBlocksAvail;   /* bavail */
 425
 426         /* For undefined Node fields or FSID return -1 */
 427         uint64_t TotalFileNodes;
 428         uint64_t FreeFileNodes;
 429         uint64_t FsIdentifier;   /* fsid */
 430         /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */
 431         /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call   */
 432
 433         int FsCapabilities;
 434 } vfs_statvfs_struct;
 435
 436 /* Add a new FSP extension of the given type. Returns a pointer to the
 437  * extenstion data.
 438  */
 439 #define VFS_ADD_FSP_EXTENSION(handle, fsp, type, destroy_fn)            \
 440     vfs_add_fsp_extension_notype(handle, (fsp), sizeof(type), (destroy_fn))
 441
 442 /* Return a pointer to the existing FSP extension data. */
 443 #define VFS_FETCH_FSP_EXTENSION(handle, fsp) \
 444     vfs_fetch_fsp_extension(handle, (fsp))
 445
 446 /* Return the talloc context associated with an FSP extension. */
 447 #define VFS_MEMCTX_FSP_EXTENSION(handle, fsp) \
 448     vfs_memctx_fsp_extension(handle, (fsp))
 449
 450 /* Remove and destroy an FSP extension. */
 451 #define VFS_REMOVE_FSP_EXTENSION(handle, fsp) \
 452     vfs_remove_fsp_extension((handle), (fsp))
 453
 454 #define SMB_VFS_HANDLE_GET_DATA(handle, datap, type, ret) { \
 455         if (!(handle)||((datap=(type *)(handle)->data)==NULL)) { \
 456                 DEBUG(0,("%s() failed to get vfs_handle->data!\n",FUNCTION_MACRO)); \
 457                 ret; \
 458         } \
 459 }
 460
 461 #define SMB_VFS_HANDLE_SET_DATA(handle, datap, free_fn, type, ret) { \
 462         if (!(handle)) { \
 463                 DEBUG(0,("%s() failed to set handle->data!\n",FUNCTION_MACRO)); \
 464                 ret; \
 465         } else { \
 466                 if ((handle)->free_data) { \
 467                         (handle)->free_data(&(handle)->data); \
 468                 } \
 469                 (handle)->data = (void *)datap; \
 470                 (handle)->free_data = free_fn; \
 471         } \
 472 }
 473
 474 #define SMB_VFS_HANDLE_FREE_DATA(handle) { \
 475         if ((handle) && (handle)->free_data) { \
 476                 (handle)->free_data(&(handle)->data); \
 477         } \
 478 }
 479
 480 /* Check whether module-specific data handle was already allocated or not */
 481 #define SMB_VFS_HANDLE_TEST_DATA(handle)  ( !(handle) || !(handle)->data ? False : True )
 482
 483 #define SMB_VFS_OP(x) ((void *) x)
 484
 485 #define DEFAULT_VFS_MODULE_NAME "/[Default VFS]/"
 486
 487 #include "vfs_macros.h"
 488
 489 int smb_vfs_call_connect(struct vfs_handle_struct *handle,
 490                          const char *service, const char *user);
 491 void smb_vfs_call_disconnect(struct vfs_handle_struct *handle);
 492 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
 493                                 const char *path, bool small_query,
 494                                 uint64_t *bsize, uint64_t *dfree,
 495                                 uint64_t *dsize);
 496 int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
 497                            enum SMB_QUOTA_TYPE qtype, unid_t id,
 498                            SMB_DISK_QUOTA *qt);
 499 int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
 500                            enum SMB_QUOTA_TYPE qtype, unid_t id,
 501                            SMB_DISK_QUOTA *qt);
 502 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
 503                                       struct files_struct *fsp,
 504                                       SHADOW_COPY_DATA *shadow_copy_data,
 505                                       bool labels);
 506 int smb_vfs_call_statvfs(struct vfs_handle_struct *handle, const char *path,
 507                          struct vfs_statvfs_struct *statbuf);
 508 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
 509                         enum timestamp_set_resolution *p_ts_res);
 510 SMB_STRUCT_DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
 511                                      const char *fname, const char *mask,
 512                                      uint32 attributes);
 513 SMB_STRUCT_DIRENT *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
 514                                         SMB_STRUCT_DIR *dirp,
 515                                         SMB_STRUCT_STAT *sbuf);
 516 void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
 517                           SMB_STRUCT_DIR *dirp, long offset);
 518 long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
 519                           SMB_STRUCT_DIR *dirp);
 520 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
 521                              SMB_STRUCT_DIR *dirp);
 522 int smb_vfs_call_mkdir(struct vfs_handle_struct *handle, const char *path,
 523                        mode_t mode);
 524 int smb_vfs_call_rmdir(struct vfs_handle_struct *handle, const char *path);
 525 int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
 526                           SMB_STRUCT_DIR *dir);
 527 void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
 528                                  SMB_STRUCT_DIR *dirp);
 529 int smb_vfs_call_open(struct vfs_handle_struct *handle,
 530                       struct smb_filename *smb_fname, struct files_struct *fsp,
 531                       int flags, mode_t mode);
 532 NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
 533                                   struct smb_request *req,
 534                                   uint16_t root_dir_fid,
 535                                   struct smb_filename *smb_fname,
 536                                   uint32_t access_mask,
 537                                   uint32_t share_access,
 538                                   uint32_t create_disposition,
 539                                   uint32_t create_options,
 540                                   uint32_t file_attributes,
 541                                   uint32_t oplock_request,
 542                                   uint64_t allocation_size,
 543                                   uint32_t private_flags,
 544                                   struct security_descriptor *sd,
 545                                   struct ea_list *ea_list,
 546                                   files_struct **result,
 547                                   int *pinfo);
 548 int smb_vfs_call_close_fn(struct vfs_handle_struct *handle,
 549                           struct files_struct *fsp);
 550 ssize_t smb_vfs_call_vfs_read(struct vfs_handle_struct *handle,
 551                               struct files_struct *fsp, void *data, size_t n);
 552 ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
 553                            struct files_struct *fsp, void *data, size_t n,
 554                            SMB_OFF_T offset);
 555 ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
 556                            struct files_struct *fsp, const void *data,
 557                            size_t n);
 558 ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
 559                             struct files_struct *fsp, const void *data,
 560                             size_t n, SMB_OFF_T offset);
 561 SMB_OFF_T smb_vfs_call_lseek(struct vfs_handle_struct *handle,
 562                              struct files_struct *fsp, SMB_OFF_T offset,
 563                              int whence);
 564 ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
 565                               files_struct *fromfsp, const DATA_BLOB *header,
 566                               SMB_OFF_T offset, size_t count);
 567 ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
 568                               files_struct *tofsp, SMB_OFF_T offset,
 569                               size_t count);
 570 int smb_vfs_call_rename(struct vfs_handle_struct *handle,
 571                         const struct smb_filename *smb_fname_src,
 572                         const struct smb_filename *smb_fname_dst);
 573 int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
 574                        struct files_struct *fsp);
 575 int smb_vfs_call_stat(struct vfs_handle_struct *handle,
 576                       struct smb_filename *smb_fname);
 577 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
 578                        struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
 579 int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
 580                        struct smb_filename *smb_filename);
 581 uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
 582                                      struct files_struct *fsp,
 583                                      const SMB_STRUCT_STAT *sbuf);
 584 int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
 585                         const struct smb_filename *smb_fname);
 586 int smb_vfs_call_chmod(struct vfs_handle_struct *handle, const char *path,
 587                        mode_t mode);
 588 int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
 589                         struct files_struct *fsp, mode_t mode);
 590 int smb_vfs_call_chown(struct vfs_handle_struct *handle, const char *path,
 591                        uid_t uid, gid_t gid);
 592 int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
 593                         struct files_struct *fsp, uid_t uid, gid_t gid);
 594 int smb_vfs_call_lchown(struct vfs_handle_struct *handle, const char *path,
 595                         uid_t uid, gid_t gid);
 596 int smb_vfs_call_chdir(struct vfs_handle_struct *handle, const char *path);
 597 char *smb_vfs_call_getwd(struct vfs_handle_struct *handle, char *buf);
 598 int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
 599                         const struct smb_filename *smb_fname,
 600                         struct smb_file_time *ft);
 601 int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
 602                            struct files_struct *fsp, SMB_OFF_T offset);
 603 bool smb_vfs_call_lock(struct vfs_handle_struct *handle,
 604                        struct files_struct *fsp, int op, SMB_OFF_T offset,
 605                        SMB_OFF_T count, int type);
 606 int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
 607                               struct files_struct *fsp, uint32 share_mode,
 608                               uint32_t access_mask);
 609 int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
 610                                 struct files_struct *fsp, int leasetype);
 611 bool smb_vfs_call_getlock(struct vfs_handle_struct *handle,
 612                           struct files_struct *fsp, SMB_OFF_T *poffset,
 613                           SMB_OFF_T *pcount, int *ptype, pid_t *ppid);
 614 int smb_vfs_call_symlink(struct vfs_handle_struct *handle, const char *oldpath,
 615                          const char *newpath);
 616 int smb_vfs_call_vfs_readlink(struct vfs_handle_struct *handle,
 617                               const char *path, char *buf, size_t bufsiz);
 618 int smb_vfs_call_link(struct vfs_handle_struct *handle, const char *oldpath,
 619                       const char *newpath);
 620 int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
 621                        mode_t mode, SMB_DEV_T dev);
 622 char *smb_vfs_call_realpath(struct vfs_handle_struct *handle,
 623                             const char *path, char *resolved_path);
 624 NTSTATUS smb_vfs_call_notify_watch(struct vfs_handle_struct *handle,
 625                                    struct sys_notify_context *ctx,
 626                                    struct notify_entry *e,
 627                                    void (*callback)(struct sys_notify_context *ctx,
 628                                                     void *private_data,
 629                                                     struct notify_event *ev),
 630                                    void *private_data, void *handle_p);
 631 int smb_vfs_call_chflags(struct vfs_handle_struct *handle, const char *path,
 632                          unsigned int flags);
 633 struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
 634                                            const SMB_STRUCT_STAT *sbuf);
 635 NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
 636                                  struct files_struct *fsp,
 637                                  const char *fname,
 638                                  TALLOC_CTX *mem_ctx,
 639                                  unsigned int *num_streams,
 640                                  struct stream_struct **streams);
 641 int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
 642                                    const char *path, const char *name,
 643                                    TALLOC_CTX *mem_ctx, char **found_name);
 644 const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
 645                                      const char *filename);
 646 NTSTATUS smb_vfs_call_brl_lock_windows(struct vfs_handle_struct *handle,
 647                                        struct byte_range_lock *br_lck,
 648                                        struct lock_struct *plock,
 649                                        bool blocking_lock,
 650                                        struct blocking_lock_record *blr);
 651 bool smb_vfs_call_brl_unlock_windows(struct vfs_handle_struct *handle,
 652                                      struct messaging_context *msg_ctx,
 653                                      struct byte_range_lock *br_lck,
 654                                      const struct lock_struct *plock);
 655 bool smb_vfs_call_brl_cancel_windows(struct vfs_handle_struct *handle,
 656                                      struct byte_range_lock *br_lck,
 657                                      struct lock_struct *plock,
 658                                      struct blocking_lock_record *blr);
 659 bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
 660                               struct files_struct *fsp,
 661                               struct lock_struct *plock);
 662 void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
 663                                 struct files_struct *fsp,
 664                                 struct lock_struct *plock);
 665 NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
 666                                      const char *name,
 667                                      enum vfs_translate_direction direction,
 668                                      TALLOC_CTX *mem_ctx,
 669                                      char **mapped_name);
 670 NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
 671                                   struct files_struct *fsp,
 672                                   uint32 security_info,
 673                                   struct security_descriptor **ppdesc);
 674 NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
 675                                  const char *name,
 676                                  uint32 security_info,
 677                                  struct security_descriptor **ppdesc);
 678 NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
 679                                   struct files_struct *fsp,
 680                                   uint32 security_info_sent,
 681                                   const struct security_descriptor *psd);
 682 int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle, const char *name,
 683                            mode_t mode);
 684 int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
 685                             struct files_struct *fsp, mode_t mode);
 686 int smb_vfs_call_sys_acl_get_entry(struct vfs_handle_struct *handle,
 687                                    SMB_ACL_T theacl, int entry_id,
 688                                    SMB_ACL_ENTRY_T *entry_p);
 689 int smb_vfs_call_sys_acl_get_tag_type(struct vfs_handle_struct *handle,
 690                                       SMB_ACL_ENTRY_T entry_d,
 691                                       SMB_ACL_TAG_T *tag_type_p);
 692 int smb_vfs_call_sys_acl_get_permset(struct vfs_handle_struct *handle,
 693                                      SMB_ACL_ENTRY_T entry_d,
 694                                      SMB_ACL_PERMSET_T *permset_p);
 695 void * smb_vfs_call_sys_acl_get_qualifier(struct vfs_handle_struct *handle,
 696                                           SMB_ACL_ENTRY_T entry_d);
 697 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
 698                                         const char *path_p,
 699                                         SMB_ACL_TYPE_T type);
 700 SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
 701                                       struct files_struct *fsp);
 702 int smb_vfs_call_sys_acl_clear_perms(struct vfs_handle_struct *handle,
 703                                      SMB_ACL_PERMSET_T permset);
 704 int smb_vfs_call_sys_acl_add_perm(struct vfs_handle_struct *handle,
 705                                   SMB_ACL_PERMSET_T permset,
 706                                   SMB_ACL_PERM_T perm);
 707 char * smb_vfs_call_sys_acl_to_text(struct vfs_handle_struct *handle,
 708                                     SMB_ACL_T theacl, ssize_t *plen);
 709 SMB_ACL_T smb_vfs_call_sys_acl_init(struct vfs_handle_struct *handle,
 710                                     int count);
 711 int smb_vfs_call_sys_acl_create_entry(struct vfs_handle_struct *handle,
 712                                       SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry);
 713 int smb_vfs_call_sys_acl_set_tag_type(struct vfs_handle_struct *handle,
 714                                       SMB_ACL_ENTRY_T entry,
 715                                       SMB_ACL_TAG_T tagtype);
 716 int smb_vfs_call_sys_acl_set_qualifier(struct vfs_handle_struct *handle,
 717                                        SMB_ACL_ENTRY_T entry, void *qual);
 718 int smb_vfs_call_sys_acl_set_permset(struct vfs_handle_struct *handle,
 719                                      SMB_ACL_ENTRY_T entry,
 720                                      SMB_ACL_PERMSET_T permset);
 721 int smb_vfs_call_sys_acl_valid(struct vfs_handle_struct *handle,
 722                                SMB_ACL_T theacl);
 723 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
 724                                   const char *name, SMB_ACL_TYPE_T acltype,
 725                                   SMB_ACL_T theacl);
 726 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
 727                                 struct files_struct *fsp, SMB_ACL_T theacl);
 728 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
 729                                          const char *path);
 730 int smb_vfs_call_sys_acl_get_perm(struct vfs_handle_struct *handle,
 731                                   SMB_ACL_PERMSET_T permset,
 732                                   SMB_ACL_PERM_T perm);
 733 int smb_vfs_call_sys_acl_free_text(struct vfs_handle_struct *handle,
 734                                    char *text);
 735 int smb_vfs_call_sys_acl_free_acl(struct vfs_handle_struct *handle,
 736                                   SMB_ACL_T posix_acl);
 737 int smb_vfs_call_sys_acl_free_qualifier(struct vfs_handle_struct *handle,
 738                                         void *qualifier, SMB_ACL_TAG_T tagtype);
 739 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
 740                               const char *path, const char *name, void *value,
 741                               size_t size);
 742 ssize_t smb_vfs_call_lgetxattr(struct vfs_handle_struct *handle,
 743                                const char *path, const char *name, void *value,
 744                                size_t size);
 745 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
 746                                struct files_struct *fsp, const char *name,
 747                                void *value, size_t size);
 748 ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
 749                                const char *path, char *list, size_t size);
 750 ssize_t smb_vfs_call_llistxattr(struct vfs_handle_struct *handle,
 751                                 const char *path, char *list, size_t size);
 752 ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
 753                                 struct files_struct *fsp, char *list,
 754                                 size_t size);
 755 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
 756                              const char *path, const char *name);
 757 int smb_vfs_call_lremovexattr(struct vfs_handle_struct *handle,
 758                               const char *path, const char *name);
 759 int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
 760                               struct files_struct *fsp, const char *name);
 761 int smb_vfs_call_setxattr(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_lsetxattr(struct vfs_handle_struct *handle, const char *path,
 765                            const char *name, const void *value, size_t size,
 766                            int flags);
 767 int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
 768                            struct files_struct *fsp, const char *name,
 769                            const void *value, size_t size, int flags);
 770 int smb_vfs_call_aio_read(struct vfs_handle_struct *handle,
 771                           struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 772 int smb_vfs_call_aio_write(struct vfs_handle_struct *handle,
 773                            struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 774 ssize_t smb_vfs_call_aio_return_fn(struct vfs_handle_struct *handle,
 775                                    struct files_struct *fsp,
 776                                    SMB_STRUCT_AIOCB *aiocb);
 777 int smb_vfs_call_aio_cancel(struct vfs_handle_struct *handle,
 778                             struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 779 int smb_vfs_call_aio_error_fn(struct vfs_handle_struct *handle,
 780                               struct files_struct *fsp,
 781                               SMB_STRUCT_AIOCB *aiocb);
 782 int smb_vfs_call_aio_fsync(struct vfs_handle_struct *handle,
 783                            struct files_struct *fsp, int op,
 784                            SMB_STRUCT_AIOCB *aiocb);
 785 int smb_vfs_call_aio_suspend(struct vfs_handle_struct *handle,
 786                              struct files_struct *fsp,
 787                              const SMB_STRUCT_AIOCB * const aiocb[], int n,
 788                              const struct timespec *timeout);
 789 bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
 790                             struct files_struct *fsp);
 791 bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
 792                              const char *path, SMB_STRUCT_STAT *sbuf);
 793 int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
 794                              const char *path);
 795
 796 #endif /* _VFS_H */