source3/include/vfs.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    VFS structures and parameters
   4    Copyright (C) Jeremy Allison                         1999-2005
   5    Copyright (C) Tim Potter                             1999
   6    Copyright (C) Alexander Bokovoy                      2002-2005
   7    Copyright (C) Stefan (metze) Metzmacher              2003
   8    Copyright (C) Volker Lendecke                        2009
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22
  23    This work was sponsored by Optifacio Software Services, Inc.
  24 */
  25
  26 #ifndef _VFS_H
  27 #define _VFS_H
  28
  29 /* Avoid conflict with an AIX include file */
  30
  31 #ifdef vfs_ops
  32 #undef vfs_ops
  33 #endif
  34
  35 /*
  36  * As we're now (thanks Andrew ! :-) using file_structs and connection
  37  * structs in the vfs - then anyone writing a vfs must include includes.h...
  38  */
  39
  40 /*
  41  * This next constant specifies the version number of the VFS interface
  42  * this smbd will load. Increment this if *ANY* changes are made to the
  43  * vfs_ops below. JRA.
  44  *
  45  * If you change anything here, please also update modules/vfs_full_audit.c.
  46  * VL.
  47  */
  48
  49 /* Changed to version 2 for CIFS UNIX extensions (mknod and link added). JRA. */
  50 /* Changed to version 3 for POSIX acl extensions. JRA. */
  51 /* Changed to version 4 for cascaded VFS interface. Alexander Bokovoy. */
  52 /* Changed to version 5 for sendfile addition. JRA. */
  53 /* Changed to version 6 for the new module system, fixed cascading and quota functions. --metze */
  54 /* Changed to version 7 to include the get_nt_acl info parameter. JRA. */
  55 /* Changed to version 8 includes EA calls. JRA. */
  56 /* Changed to version 9 to include the get_shadow_data call. --metze */
  57 /* Changed to version 10 to include pread/pwrite calls. */
  58 /* Changed to version 11 to include seekdir/telldir/rewinddir calls. JRA */
  59 /* Changed to version 12 to add mask and attributes to opendir(). JRA
  60    Also include aio calls. JRA. */
  61 /* Changed to version 13 as the internal structure of files_struct has changed. JRA */
  62 /* Changed to version 14 as we had to change DIR to SMB_STRUCT_DIR. JRA */
  63 /* Changed to version 15 as we added the statvfs call. JRA */
  64 /* Changed to version 16 as we added the getlock call. JRA */
  65 /* Changed to version 17 as we removed redundant connection_struct parameters. --jpeach */
  66 /* Changed to version 18 to add fsp parameter to the open call -- jpeach
  67    Also include kernel_flock call - jmcd */
  68 /* Changed to version 19, kernel change notify has been merged
  69    Also included linux setlease call - jmcd */
  70 /* Changed to version 20, use ntimes call instead of utime (greater
  71  * timestamp resolition. JRA. */
  72 /* Changed to version21 to add chflags operation -- jpeach */
  73 /* Changed to version22 to add lchown operation -- jra */
  74 /* Leave at 22 - not yet released. But change set_nt_acl to return an NTSTATUS. jra. */
  75 /* Leave at 22 - not yet released. Add file_id_create operation. --metze */
  76 /* Leave at 22 - not yet released. Change all BOOL parameters (int) to bool. jra. */
  77 /* Leave at 22 - not yet released. Added recvfile. */
  78 /* Leave at 22 - not yet released. Change get_nt_acl to return NTSTATUS - vl */
  79 /* Leave at 22 - not yet released. Change get_nt_acl to *not* take a
  80  * files_struct. - obnox.*/
  81 /* Leave at 22 - not yet released. Remove parameter fd from fget_nt_acl. - obnox */
  82 /* Leave at 22 - not yet released. Remove parameter fd from gset_nt_acl. - obnox */
  83 /* Leave at 22 - not yet released. Remove parameter fd from pread. - obnox */
  84 /* Leave at 22 - not yet released. Remove parameter fd from pwrite. - obnox */
  85 /* Leave at 22 - not yet released. Remove parameter fd from lseek. - obnox */
  86 /* Leave at 22 - not yet released. Remove parameter fd from fsync. - obnox */
  87 /* Leave at 22 - not yet released. Remove parameter fd from fstat. - obnox */
  88 /* Leave at 22 - not yet released. Remove parameter fd from fchmod. - obnox */
  89 /* Leave at 22 - not yet released. Remove parameter fd from fchown. - obnox */
  90 /* Leave at 22 - not yet released. Remove parameter fd from ftruncate. - obnox */
  91 /* Leave at 22 - not yet released. Remove parameter fd from lock. - obnox */
  92 /* Leave at 22 - not yet released. Remove parameter fd from kernel_flock. - obnox */
  93 /* Leave at 22 - not yet released. Remove parameter fd from linux_setlease. - obnox */
  94 /* Leave at 22 - not yet released. Remove parameter fd from getlock. - obnox */
  95 /* Leave at 22 - not yet released. Remove parameter fd from sys_acl_get_fd. - obnox */
  96 /* Leave at 22 - not yet released. Remove parameter fd from fchmod_acl. - obnox */
  97 /* Leave at 22 - not yet released. Remove parameter fd from sys_acl_set_fd. - obnox */
  98 /* Leave at 22 - not yet released. Remove parameter fd from fgetxattr. - obnox */
  99 /* Leave at 22 - not yet released. Remove parameter fd from flistxattr. - obnox */
 100 /* Leave at 22 - not yet released. Remove parameter fd from fremovexattr. - obnox */
 101 /* Leave at 22 - not yet released. Remove parameter fd from fsetxattr. - obnox */
 102 /* Leave at 22 - not yet released. Remove parameter fd from aio_cancel. - obnox */
 103 /* Leave at 22 - not yet released. Remove parameter fd from read. - obnox */
 104 /* Leave at 22 - not yet released. Remove parameter fd from write. - obnox */
 105 /* Leave at 22 - not yet released. Remove parameter fromfd from sendfile. - obnox */
 106 /* Leave at 22 - not yet released. Remove parameter fromfd from recvfile. - obnox */
 107 /* Leave at 22 - not yet released. Additional change: add operations for offline files -- ab */
 108 /* Leave at 22 - not yet released. Add the streaminfo call. -- jpeach, vl */
 109 /* Leave at 22 - not yet released. Remove parameter fd from close_fn. - obnox */
 110 /* Changed to version 23 - remove set_nt_acl call. This can only be done via an
 111    open handle. JRA. */
 112 /* Changed to version 24 - make security descriptor const in fset_nt_acl. JRA. */
 113 /* Changed to version 25 - Jelmer's change from SMB_BIG_UINT to uint64_t. */
 114 /* Leave at 25 - not yet released. Add create_file call. -- tprouty. */
 115 /* Leave at 25 - not yet released. Add create time to ntimes. -- tstecher. */
 116 /* Leave at 25 - not yet released. Add get_alloc_size call. -- tprouty. */
 117 /* Leave at 25 - not yet released. Add SMB_STRUCT_STAT to readdir. - sdann */
 118 /* Leave at 25 - not yet released. Add init_search_op call. - sdann */
 119 /* Leave at 25 - not yet released. Add locking calls. -- zkirsch. */
 120 /* Leave at 25 - not yet released. Add strict locking calls. -- drichards. */
 121 /* Changed to version 26 - Plumb struct smb_filename to SMB_VFS_CREATE_FILE,
 122                            SMB_VFS_OPEN, SMB_VFS_STAT, SMB_VFS_LSTAT,
 123                            SMB_VFS_RENAME, SMB_VFS_UNLINK, SMB_VFS_NTIMES.  */
 124 /* Changed to version 27 - not yet released. Added enum timestamp_set_resolution
 125  *                         return to fs_capabilities call. JRA. */
 126 /* Leave at 27 - not yet released. Add translate_name VFS call to convert
 127                  UNIX names to Windows supported names -- asrinivasan. */
 128 /* Changed to version 28 - Add private_flags uint32_t to CREATE call. */
 129 /* Leave at 28 - not yet released. Change realpath to assume NULL and return a
 130                  malloc'ed path. JRA. */
 131 /* Leave at 28 - not yet released. Move posix_fallocate into the VFS
 132                 where it belongs. JRA. */
 133 /* Leave at 28 - not yet released. Rename posix_fallocate to fallocate
 134                 to split out the two possible uses. JRA. */
 135 /* Leave at 28 - not yet released. Add fdopendir. JRA. */
 136 /* Leave at 28 - not yet released. Rename open function to open_fn. - gd */
 137 /* Leave at 28 - not yet released. Make getwd function always return malloced memory. JRA. */
 138 /* Bump to version 29 - Samba 3.6.0 will ship with interface version 28. */
 139 /* Leave at 29 - not yet releases. Add fsctl. Richard Sharpe */
 140 /* Leave at 29 - not yet released. add SMB_VFS_GET_DFS_REFERRAL() - metze */
 141 #define SMB_VFS_INTERFACE_VERSION 29
 142
 143 /*
 144     All intercepted VFS operations must be declared as static functions inside module source
 145     in order to keep smbd namespace unpolluted. See source of audit, extd_audit, fake_perms and recycle
 146     example VFS modules for more details.
 147 */
 148
 149 /* VFS operations structure */
 150
 151 struct vfs_handle_struct;
 152 struct connection_struct;
 153 struct files_struct;
 154 struct security_descriptor;
 155 struct vfs_statvfs_struct;
 156 struct smb_request;
 157 struct ea_list;
 158 struct smb_file_time;
 159 struct blocking_lock_record;
 160 struct smb_filename;
 161 struct dfs_GetDFSReferral;
 162
 163 #define VFS_FIND(__fn__) while (handle->fns->__fn__##_fn==NULL) { \
 164                                 handle = handle->next; \
 165                          }
 166
 167 enum vfs_translate_direction {
 168         vfs_translate_to_unix = 0,
 169         vfs_translate_to_windows
 170 };
 171
 172 enum vfs_fallocate_mode {
 173         VFS_FALLOCATE_EXTEND_SIZE = 0,
 174         VFS_FALLOCATE_KEEP_SIZE = 1
 175 };
 176
 177 /*
 178     Available VFS operations. These values must be in sync with vfs_ops struct
 179     (struct vfs_fn_pointers and struct vfs_handle_pointers inside of struct vfs_ops).
 180     In particular, if new operations are added to vfs_ops, appropriate constants
 181     should be added to vfs_op_type so that order of them kept same as in vfs_ops.
 182 */
 183 struct shadow_copy_data;
 184
 185 struct vfs_fn_pointers {
 186         /* Disk operations */
 187
 188         int (*connect_fn)(struct vfs_handle_struct *handle, const char *service, const char *user);
 189         void (*disconnect_fn)(struct vfs_handle_struct *handle);
 190         uint64_t (*disk_free_fn)(struct vfs_handle_struct *handle, const char *path, bool small_query, uint64_t *bsize,
 191                               uint64_t *dfree, uint64_t *dsize);
 192         int (*get_quota_fn)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
 193         int (*set_quota_fn)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
 194         int (*get_shadow_copy_data_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, struct shadow_copy_data *shadow_copy_data, bool labels);
 195         int (*statvfs_fn)(struct vfs_handle_struct *handle, const char *path, struct vfs_statvfs_struct *statbuf);
 196         uint32_t (*fs_capabilities_fn)(struct vfs_handle_struct *handle, enum timestamp_set_resolution *p_ts_res);
 197
 198         /*
 199          * Note: that "struct dfs_GetDFSReferral *r"
 200          * needs to be a valid TALLOC_CTX
 201          */
 202         NTSTATUS (*get_dfs_referrals_fn)(struct vfs_handle_struct *handle,
 203                                          struct dfs_GetDFSReferral *r);
 204
 205         /* Directory operations */
 206
 207         SMB_STRUCT_DIR *(*opendir_fn)(struct vfs_handle_struct *handle, const char *fname, const char *mask, uint32 attributes);
 208         SMB_STRUCT_DIR *(*fdopendir_fn)(struct vfs_handle_struct *handle, files_struct *fsp, const char *mask, uint32 attributes);
 209         SMB_STRUCT_DIRENT *(*readdir_fn)(struct vfs_handle_struct *handle,
 210                                          SMB_STRUCT_DIR *dirp,
 211                                          SMB_STRUCT_STAT *sbuf);
 212         void (*seekdir_fn)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp, long offset);
 213         long (*telldir_fn)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
 214         void (*rewind_dir_fn)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
 215         int (*mkdir_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
 216         int (*rmdir_fn)(struct vfs_handle_struct *handle, const char *path);
 217         int (*closedir_fn)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dir);
 218         void (*init_search_op_fn)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
 219
 220         /* File operations */
 221
 222         int (*open_fn)(struct vfs_handle_struct *handle,
 223                        struct smb_filename *smb_fname, files_struct *fsp,
 224                        int flags, mode_t mode);
 225         NTSTATUS (*create_file_fn)(struct vfs_handle_struct *handle,
 226                                    struct smb_request *req,
 227                                    uint16_t root_dir_fid,
 228                                    struct smb_filename *smb_fname,
 229                                    uint32_t access_mask,
 230                                    uint32_t share_access,
 231                                    uint32_t create_disposition,
 232                                    uint32_t create_options,
 233                                    uint32_t file_attributes,
 234                                    uint32_t oplock_request,
 235                                    uint64_t allocation_size,
 236                                    uint32_t private_flags,
 237                                    struct security_descriptor *sd,
 238                                    struct ea_list *ea_list,
 239                                    files_struct **result,
 240                                    int *pinfo);
 241         int (*close_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 242         ssize_t (*read_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n);
 243         ssize_t (*pread_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n, SMB_OFF_T offset);
 244         ssize_t (*write_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n);
 245         ssize_t (*pwrite_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n, SMB_OFF_T offset);
 246         SMB_OFF_T (*lseek_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T offset, int whence);
 247         ssize_t (*sendfile_fn)(struct vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *header, SMB_OFF_T offset, size_t count);
 248         ssize_t (*recvfile_fn)(struct vfs_handle_struct *handle, int fromfd, files_struct *tofsp, SMB_OFF_T offset, size_t count);
 249         int (*rename_fn)(struct vfs_handle_struct *handle,
 250                          const struct smb_filename *smb_fname_src,
 251                          const struct smb_filename *smb_fname_dst);
 252         int (*fsync_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 253         int (*stat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_fname);
 254         int (*fstat_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
 255         int (*lstat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_filename);
 256         uint64_t (*get_alloc_size_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_STAT *sbuf);
 257         int (*unlink_fn)(struct vfs_handle_struct *handle,
 258                          const struct smb_filename *smb_fname);
 259         int (*chmod_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
 260         int (*fchmod_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
 261         int (*chown_fn)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
 262         int (*fchown_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, uid_t uid, gid_t gid);
 263         int (*lchown_fn)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
 264         int (*chdir_fn)(struct vfs_handle_struct *handle, const char *path);
 265         char *(*getwd_fn)(struct vfs_handle_struct *handle);
 266         int (*ntimes_fn)(struct vfs_handle_struct *handle,
 267                          const struct smb_filename *smb_fname,
 268                          struct smb_file_time *ft);
 269         int (*ftruncate_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T offset);
 270         int (*fallocate_fn)(struct vfs_handle_struct *handle,
 271                             struct files_struct *fsp,
 272                             enum vfs_fallocate_mode mode,
 273                             SMB_OFF_T offset,
 274                             SMB_OFF_T len);
 275         bool (*lock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_OFF_T offset, SMB_OFF_T count, int type);
 276         int (*kernel_flock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp,
 277                                uint32 share_mode, uint32_t access_mask);
 278         int (*linux_setlease_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int leasetype);
 279         bool (*getlock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T *poffset, SMB_OFF_T *pcount, int *ptype, pid_t *ppid);
 280         int (*symlink_fn)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
 281         int (*readlink_fn)(struct vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz);
 282         int (*link_fn)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
 283         int (*mknod_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode, SMB_DEV_T dev);
 284         char *(*realpath_fn)(struct vfs_handle_struct *handle, const char *path);
 285         NTSTATUS (*notify_watch_fn)(struct vfs_handle_struct *handle,
 286                                     struct sys_notify_context *ctx,
 287                                     struct notify_entry *e,
 288                                     const char *path,
 289                                     void (*callback)(struct sys_notify_context *ctx,
 290                                                      void *private_data,
 291                                                      struct notify_event *ev),
 292                                     void *private_data,
 293                                     void *handle_p);
 294         int (*chflags_fn)(struct vfs_handle_struct *handle, const char *path, unsigned int flags);
 295         struct file_id (*file_id_create_fn)(struct vfs_handle_struct *handle,
 296                                             const SMB_STRUCT_STAT *sbuf);
 297
 298         NTSTATUS (*streaminfo_fn)(struct vfs_handle_struct *handle,
 299                                   struct files_struct *fsp,
 300                                   const char *fname,
 301                                   TALLOC_CTX *mem_ctx,
 302                                   unsigned int *num_streams,
 303                                   struct stream_struct **streams);
 304
 305         int (*get_real_filename_fn)(struct vfs_handle_struct *handle,
 306                                     const char *path,
 307                                     const char *name,
 308                                     TALLOC_CTX *mem_ctx,
 309                                     char **found_name);
 310
 311         const char *(*connectpath_fn)(struct vfs_handle_struct *handle,
 312                                       const char *filename);
 313
 314         NTSTATUS (*brl_lock_windows_fn)(struct vfs_handle_struct *handle,
 315                                         struct byte_range_lock *br_lck,
 316                                         struct lock_struct *plock,
 317                                         bool blocking_lock,
 318                                         struct blocking_lock_record *blr);
 319
 320         bool (*brl_unlock_windows_fn)(struct vfs_handle_struct *handle,
 321                                       struct messaging_context *msg_ctx,
 322                                       struct byte_range_lock *br_lck,
 323                                       const struct lock_struct *plock);
 324
 325         bool (*brl_cancel_windows_fn)(struct vfs_handle_struct *handle,
 326                                       struct byte_range_lock *br_lck,
 327                                       struct lock_struct *plock,
 328                                       struct blocking_lock_record *blr);
 329
 330         bool (*strict_lock_fn)(struct vfs_handle_struct *handle,
 331                                struct files_struct *fsp,
 332                                struct lock_struct *plock);
 333
 334         void (*strict_unlock_fn)(struct vfs_handle_struct *handle,
 335                                  struct files_struct *fsp,
 336                                  struct lock_struct *plock);
 337
 338         NTSTATUS (*translate_name_fn)(struct vfs_handle_struct *handle,
 339                                       const char *name,
 340                                       enum vfs_translate_direction direction,
 341                                       TALLOC_CTX *mem_ctx,
 342                                       char **mapped_name);
 343
 344         NTSTATUS (*fsctl_fn)(struct vfs_handle_struct *handle,
 345                              struct files_struct *fsp,
 346                              TALLOC_CTX *ctx,
 347                              uint32_t function,
 348                              uint16_t req_flags,
 349                              const uint8_t *_in_data,
 350                              uint32_t in_len,
 351                              uint8_t **_out_data,
 352                              uint32_t max_out_len,
 353                              uint32_t *out_len);
 354
 355         /* NT ACL operations. */
 356
 357         NTSTATUS (*fget_nt_acl_fn)(struct vfs_handle_struct *handle,
 358                                    struct files_struct *fsp,
 359                                    uint32 security_info,
 360                                    struct security_descriptor **ppdesc);
 361         NTSTATUS (*get_nt_acl_fn)(struct vfs_handle_struct *handle,
 362                                   const char *name,
 363                                   uint32 security_info,
 364                                   struct security_descriptor **ppdesc);
 365         NTSTATUS (*fset_nt_acl_fn)(struct vfs_handle_struct *handle,
 366                                    struct files_struct *fsp,
 367                                    uint32 security_info_sent,
 368                                    const struct security_descriptor *psd);
 369
 370         /* POSIX ACL operations. */
 371
 372         int (*chmod_acl_fn)(struct vfs_handle_struct *handle, const char *name, mode_t mode);
 373         int (*fchmod_acl_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
 374
 375         int (*sys_acl_get_entry_fn)(struct vfs_handle_struct *handle, SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p);
 376         int (*sys_acl_get_tag_type_fn)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p);
 377         int (*sys_acl_get_permset_fn)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p);
 378         void * (*sys_acl_get_qualifier_fn)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d);
 379         SMB_ACL_T (*sys_acl_get_file_fn)(struct vfs_handle_struct *handle, const char *path_p, SMB_ACL_TYPE_T type);
 380         SMB_ACL_T (*sys_acl_get_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 381         int (*sys_acl_clear_perms_fn)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset);
 382         int (*sys_acl_add_perm_fn)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm);
 383         char * (*sys_acl_to_text_fn)(struct vfs_handle_struct *handle, SMB_ACL_T theacl, ssize_t *plen);
 384         SMB_ACL_T (*sys_acl_init_fn)(struct vfs_handle_struct *handle, int count);
 385         int (*sys_acl_create_entry_fn)(struct vfs_handle_struct *handle, SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry);
 386         int (*sys_acl_set_tag_type_fn)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype);
 387         int (*sys_acl_set_qualifier_fn)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, void *qual);
 388         int (*sys_acl_set_permset_fn)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset);
 389         int (*sys_acl_valid_fn)(struct vfs_handle_struct *handle, SMB_ACL_T theacl );
 390         int (*sys_acl_set_file_fn)(struct vfs_handle_struct *handle, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl);
 391         int (*sys_acl_set_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_ACL_T theacl);
 392         int (*sys_acl_delete_def_file_fn)(struct vfs_handle_struct *handle, const char *path);
 393         int (*sys_acl_get_perm_fn)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm);
 394         int (*sys_acl_free_text_fn)(struct vfs_handle_struct *handle, char *text);
 395         int (*sys_acl_free_acl_fn)(struct vfs_handle_struct *handle, SMB_ACL_T posix_acl);
 396         int (*sys_acl_free_qualifier_fn)(struct vfs_handle_struct *handle, void *qualifier, SMB_ACL_TAG_T tagtype);
 397
 398         /* EA operations. */
 399         ssize_t (*getxattr_fn)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
 400         ssize_t (*lgetxattr_fn)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
 401         ssize_t (*fgetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size);
 402         ssize_t (*listxattr_fn)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
 403         ssize_t (*llistxattr_fn)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
 404         ssize_t (*flistxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size);
 405         int (*removexattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name);
 406         int (*lremovexattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name);
 407         int (*fremovexattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name);
 408         int (*setxattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
 409         int (*lsetxattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
 410         int (*fsetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags);
 411
 412         /* aio operations */
 413         int (*aio_read_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 414         int (*aio_write_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 415         ssize_t (*aio_return_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 416         int (*aio_cancel_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 417         int (*aio_error_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 418         int (*aio_fsync_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_STRUCT_AIOCB *aiocb);
 419         int (*aio_suspend_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_AIOCB * const aiocb[], int n, const struct timespec *timeout);
 420         bool (*aio_force_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 421
 422         /* offline operations */
 423         bool (*is_offline_fn)(struct vfs_handle_struct *handle,
 424                            const struct smb_filename *fname,
 425                            SMB_STRUCT_STAT *sbuf);
 426         int (*set_offline_fn)(struct vfs_handle_struct *handle,
 427                            const struct smb_filename *fname);
 428 };
 429
 430 /*
 431     VFS operation description. Each VFS module registers an array of vfs_op_tuple to VFS subsystem,
 432     which describes all operations this module is willing to intercept.
 433     VFS subsystem initializes then the conn->vfs_ops and conn->vfs_opaque_ops structs
 434     using this information.
 435 */
 436
 437 typedef struct vfs_handle_struct {
 438         struct vfs_handle_struct  *next, *prev;
 439         const char *param;
 440         struct connection_struct *conn;
 441         const struct vfs_fn_pointers *fns;
 442         void *data;
 443         void (*free_data)(void **data);
 444 } vfs_handle_struct;
 445
 446
 447 typedef struct vfs_statvfs_struct {
 448         /* For undefined recommended transfer size return -1 in that field */
 449         uint32 OptimalTransferSize;  /* bsize on some os, iosize on other os */
 450         uint32 BlockSize;
 451
 452         /*
 453          The next three fields are in terms of the block size.
 454          (above). If block size is unknown, 4096 would be a
 455          reasonable block size for a server to report.
 456          Note that returning the blocks/blocksavail removes need
 457          to make a second call (to QFSInfo level 0x103 to get this info.
 458          UserBlockAvail is typically less than or equal to BlocksAvail,
 459          if no distinction is made return the same value in each.
 460         */
 461
 462         uint64_t TotalBlocks;
 463         uint64_t BlocksAvail;       /* bfree */
 464         uint64_t UserBlocksAvail;   /* bavail */
 465
 466         /* For undefined Node fields or FSID return -1 */
 467         uint64_t TotalFileNodes;
 468         uint64_t FreeFileNodes;
 469         uint64_t FsIdentifier;   /* fsid */
 470         /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */
 471         /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call   */
 472
 473         int FsCapabilities;
 474 } vfs_statvfs_struct;
 475
 476 /* Add a new FSP extension of the given type. Returns a pointer to the
 477  * extenstion data.
 478  */
 479 #define VFS_ADD_FSP_EXTENSION(handle, fsp, type, destroy_fn)            \
 480     vfs_add_fsp_extension_notype(handle, (fsp), sizeof(type), (destroy_fn))
 481
 482 /* Return a pointer to the existing FSP extension data. */
 483 #define VFS_FETCH_FSP_EXTENSION(handle, fsp) \
 484     vfs_fetch_fsp_extension(handle, (fsp))
 485
 486 /* Return the talloc context associated with an FSP extension. */
 487 #define VFS_MEMCTX_FSP_EXTENSION(handle, fsp) \
 488     vfs_memctx_fsp_extension(handle, (fsp))
 489
 490 /* Remove and destroy an FSP extension. */
 491 #define VFS_REMOVE_FSP_EXTENSION(handle, fsp) \
 492     vfs_remove_fsp_extension((handle), (fsp))
 493
 494 #define SMB_VFS_HANDLE_GET_DATA(handle, datap, type, ret) { \
 495         if (!(handle)||((datap=(type *)(handle)->data)==NULL)) { \
 496                 DEBUG(0,("%s() failed to get vfs_handle->data!\n",__FUNCTION__)); \
 497                 ret; \
 498         } \
 499 }
 500
 501 #define SMB_VFS_HANDLE_SET_DATA(handle, datap, free_fn, type, ret) { \
 502         if (!(handle)) { \
 503                 DEBUG(0,("%s() failed to set handle->data!\n",__FUNCTION__)); \
 504                 ret; \
 505         } else { \
 506                 if ((handle)->free_data) { \
 507                         (handle)->free_data(&(handle)->data); \
 508                 } \
 509                 (handle)->data = (void *)datap; \
 510                 (handle)->free_data = free_fn; \
 511         } \
 512 }
 513
 514 #define SMB_VFS_HANDLE_FREE_DATA(handle) { \
 515         if ((handle) && (handle)->free_data) { \
 516                 (handle)->free_data(&(handle)->data); \
 517         } \
 518 }
 519
 520 /* Check whether module-specific data handle was already allocated or not */
 521 #define SMB_VFS_HANDLE_TEST_DATA(handle)  ( !(handle) || !(handle)->data ? False : True )
 522
 523 #define SMB_VFS_OP(x) ((void *) x)
 524
 525 #define DEFAULT_VFS_MODULE_NAME "/[Default VFS]/"
 526
 527 #include "vfs_macros.h"
 528
 529 int smb_vfs_call_connect(struct vfs_handle_struct *handle,
 530                          const char *service, const char *user);
 531 void smb_vfs_call_disconnect(struct vfs_handle_struct *handle);
 532 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
 533                                 const char *path, bool small_query,
 534                                 uint64_t *bsize, uint64_t *dfree,
 535                                 uint64_t *dsize);
 536 int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
 537                            enum SMB_QUOTA_TYPE qtype, unid_t id,
 538                            SMB_DISK_QUOTA *qt);
 539 int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
 540                            enum SMB_QUOTA_TYPE qtype, unid_t id,
 541                            SMB_DISK_QUOTA *qt);
 542 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
 543                                       struct files_struct *fsp,
 544                                       struct shadow_copy_data *shadow_copy_data,
 545                                       bool labels);
 546 int smb_vfs_call_statvfs(struct vfs_handle_struct *handle, const char *path,
 547                          struct vfs_statvfs_struct *statbuf);
 548 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
 549                                       enum timestamp_set_resolution *p_ts_res);
 550 /*
 551  * Note: that "struct dfs_GetDFSReferral *r" needs to be a valid TALLOC_CTX
 552  */
 553 NTSTATUS smb_vfs_call_get_dfs_referrals(struct vfs_handle_struct *handle,
 554                                         struct dfs_GetDFSReferral *r);
 555 SMB_STRUCT_DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
 556                                      const char *fname, const char *mask,
 557                                      uint32 attributes);
 558 SMB_STRUCT_DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
 559                                         struct files_struct *fsp,
 560                                         const char *mask,
 561                                         uint32 attributes);
 562 SMB_STRUCT_DIRENT *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
 563                                         SMB_STRUCT_DIR *dirp,
 564                                         SMB_STRUCT_STAT *sbuf);
 565 void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
 566                           SMB_STRUCT_DIR *dirp, long offset);
 567 long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
 568                           SMB_STRUCT_DIR *dirp);
 569 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
 570                              SMB_STRUCT_DIR *dirp);
 571 int smb_vfs_call_mkdir(struct vfs_handle_struct *handle, const char *path,
 572                        mode_t mode);
 573 int smb_vfs_call_rmdir(struct vfs_handle_struct *handle, const char *path);
 574 int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
 575                           SMB_STRUCT_DIR *dir);
 576 void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
 577                                  SMB_STRUCT_DIR *dirp);
 578 int smb_vfs_call_open(struct vfs_handle_struct *handle,
 579                       struct smb_filename *smb_fname, struct files_struct *fsp,
 580                       int flags, mode_t mode);
 581 NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
 582                                   struct smb_request *req,
 583                                   uint16_t root_dir_fid,
 584                                   struct smb_filename *smb_fname,
 585                                   uint32_t access_mask,
 586                                   uint32_t share_access,
 587                                   uint32_t create_disposition,
 588                                   uint32_t create_options,
 589                                   uint32_t file_attributes,
 590                                   uint32_t oplock_request,
 591                                   uint64_t allocation_size,
 592                                   uint32_t private_flags,
 593                                   struct security_descriptor *sd,
 594                                   struct ea_list *ea_list,
 595                                   files_struct **result,
 596                                   int *pinfo);
 597 int smb_vfs_call_close(struct vfs_handle_struct *handle,
 598                        struct files_struct *fsp);
 599 ssize_t smb_vfs_call_read(struct vfs_handle_struct *handle,
 600                           struct files_struct *fsp, void *data, size_t n);
 601 ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
 602                            struct files_struct *fsp, void *data, size_t n,
 603                            SMB_OFF_T offset);
 604 ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
 605                            struct files_struct *fsp, const void *data,
 606                            size_t n);
 607 ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
 608                             struct files_struct *fsp, const void *data,
 609                             size_t n, SMB_OFF_T offset);
 610 SMB_OFF_T smb_vfs_call_lseek(struct vfs_handle_struct *handle,
 611                              struct files_struct *fsp, SMB_OFF_T offset,
 612                              int whence);
 613 ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
 614                               files_struct *fromfsp, const DATA_BLOB *header,
 615                               SMB_OFF_T offset, size_t count);
 616 ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
 617                               files_struct *tofsp, SMB_OFF_T offset,
 618                               size_t count);
 619 int smb_vfs_call_rename(struct vfs_handle_struct *handle,
 620                         const struct smb_filename *smb_fname_src,
 621                         const struct smb_filename *smb_fname_dst);
 622 int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
 623                        struct files_struct *fsp);
 624 int smb_vfs_call_stat(struct vfs_handle_struct *handle,
 625                       struct smb_filename *smb_fname);
 626 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
 627                        struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
 628 int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
 629                        struct smb_filename *smb_filename);
 630 uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
 631                                      struct files_struct *fsp,
 632                                      const SMB_STRUCT_STAT *sbuf);
 633 int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
 634                         const struct smb_filename *smb_fname);
 635 int smb_vfs_call_chmod(struct vfs_handle_struct *handle, const char *path,
 636                        mode_t mode);
 637 int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
 638                         struct files_struct *fsp, mode_t mode);
 639 int smb_vfs_call_chown(struct vfs_handle_struct *handle, const char *path,
 640                        uid_t uid, gid_t gid);
 641 int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
 642                         struct files_struct *fsp, uid_t uid, gid_t gid);
 643 int smb_vfs_call_lchown(struct vfs_handle_struct *handle, const char *path,
 644                         uid_t uid, gid_t gid);
 645 int smb_vfs_call_chdir(struct vfs_handle_struct *handle, const char *path);
 646 char *smb_vfs_call_getwd(struct vfs_handle_struct *handle);
 647 int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
 648                         const struct smb_filename *smb_fname,
 649                         struct smb_file_time *ft);
 650 int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
 651                            struct files_struct *fsp, SMB_OFF_T offset);
 652 int smb_vfs_call_fallocate(struct vfs_handle_struct *handle,
 653                         struct files_struct *fsp,
 654                         enum vfs_fallocate_mode mode,
 655                         SMB_OFF_T offset,
 656                         SMB_OFF_T len);
 657 bool smb_vfs_call_lock(struct vfs_handle_struct *handle,
 658                        struct files_struct *fsp, int op, SMB_OFF_T offset,
 659                        SMB_OFF_T count, int type);
 660 int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
 661                               struct files_struct *fsp, uint32 share_mode,
 662                               uint32_t access_mask);
 663 int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
 664                                 struct files_struct *fsp, int leasetype);
 665 bool smb_vfs_call_getlock(struct vfs_handle_struct *handle,
 666                           struct files_struct *fsp, SMB_OFF_T *poffset,
 667                           SMB_OFF_T *pcount, int *ptype, pid_t *ppid);
 668 int smb_vfs_call_symlink(struct vfs_handle_struct *handle, const char *oldpath,
 669                          const char *newpath);
 670 int smb_vfs_call_readlink(struct vfs_handle_struct *handle,
 671                           const char *path, char *buf, size_t bufsiz);
 672 int smb_vfs_call_link(struct vfs_handle_struct *handle, const char *oldpath,
 673                       const char *newpath);
 674 int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
 675                        mode_t mode, SMB_DEV_T dev);
 676 char *smb_vfs_call_realpath(struct vfs_handle_struct *handle, const char *path);
 677 NTSTATUS smb_vfs_call_notify_watch(struct vfs_handle_struct *handle,
 678                                    struct sys_notify_context *ctx,
 679                                    struct notify_entry *e,
 680                                    const char *name,
 681                                    void (*callback)(struct sys_notify_context *ctx,
 682                                                     void *private_data,
 683                                                     struct notify_event *ev),
 684                                    void *private_data, void *handle_p);
 685 int smb_vfs_call_chflags(struct vfs_handle_struct *handle, const char *path,
 686                          unsigned int flags);
 687 struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
 688                                            const SMB_STRUCT_STAT *sbuf);
 689 NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
 690                                  struct files_struct *fsp,
 691                                  const char *fname,
 692                                  TALLOC_CTX *mem_ctx,
 693                                  unsigned int *num_streams,
 694                                  struct stream_struct **streams);
 695 int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
 696                                    const char *path, const char *name,
 697                                    TALLOC_CTX *mem_ctx, char **found_name);
 698 const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
 699                                      const char *filename);
 700 NTSTATUS smb_vfs_call_brl_lock_windows(struct vfs_handle_struct *handle,
 701                                        struct byte_range_lock *br_lck,
 702                                        struct lock_struct *plock,
 703                                        bool blocking_lock,
 704                                        struct blocking_lock_record *blr);
 705 bool smb_vfs_call_brl_unlock_windows(struct vfs_handle_struct *handle,
 706                                      struct messaging_context *msg_ctx,
 707                                      struct byte_range_lock *br_lck,
 708                                      const struct lock_struct *plock);
 709 bool smb_vfs_call_brl_cancel_windows(struct vfs_handle_struct *handle,
 710                                      struct byte_range_lock *br_lck,
 711                                      struct lock_struct *plock,
 712                                      struct blocking_lock_record *blr);
 713 bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
 714                               struct files_struct *fsp,
 715                               struct lock_struct *plock);
 716 void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
 717                                 struct files_struct *fsp,
 718                                 struct lock_struct *plock);
 719 NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
 720                                      const char *name,
 721                                      enum vfs_translate_direction direction,
 722                                      TALLOC_CTX *mem_ctx,
 723                                      char **mapped_name);
 724 NTSTATUS smb_vfs_call_fsctl(struct vfs_handle_struct *handle,
 725                             struct files_struct *fsp,
 726                             TALLOC_CTX *ctx,
 727                             uint32_t function,
 728                             uint16_t req_flags,
 729                             const uint8_t *_in_data,
 730                             uint32_t in_len,
 731                             uint8_t **_out_data,
 732                             uint32_t max_out_len,
 733                             uint32_t *out_len);
 734 NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
 735                                   struct files_struct *fsp,
 736                                   uint32 security_info,
 737                                   struct security_descriptor **ppdesc);
 738 NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
 739                                  const char *name,
 740                                  uint32 security_info,
 741                                  struct security_descriptor **ppdesc);
 742 NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
 743                                   struct files_struct *fsp,
 744                                   uint32 security_info_sent,
 745                                   const struct security_descriptor *psd);
 746 int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle, const char *name,
 747                            mode_t mode);
 748 int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
 749                             struct files_struct *fsp, mode_t mode);
 750 int smb_vfs_call_sys_acl_get_entry(struct vfs_handle_struct *handle,
 751                                    SMB_ACL_T theacl, int entry_id,
 752                                    SMB_ACL_ENTRY_T *entry_p);
 753 int smb_vfs_call_sys_acl_get_tag_type(struct vfs_handle_struct *handle,
 754                                       SMB_ACL_ENTRY_T entry_d,
 755                                       SMB_ACL_TAG_T *tag_type_p);
 756 int smb_vfs_call_sys_acl_get_permset(struct vfs_handle_struct *handle,
 757                                      SMB_ACL_ENTRY_T entry_d,
 758                                      SMB_ACL_PERMSET_T *permset_p);
 759 void * smb_vfs_call_sys_acl_get_qualifier(struct vfs_handle_struct *handle,
 760                                           SMB_ACL_ENTRY_T entry_d);
 761 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
 762                                         const char *path_p,
 763                                         SMB_ACL_TYPE_T type);
 764 SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
 765                                       struct files_struct *fsp);
 766 int smb_vfs_call_sys_acl_clear_perms(struct vfs_handle_struct *handle,
 767                                      SMB_ACL_PERMSET_T permset);
 768 int smb_vfs_call_sys_acl_add_perm(struct vfs_handle_struct *handle,
 769                                   SMB_ACL_PERMSET_T permset,
 770                                   SMB_ACL_PERM_T perm);
 771 char * smb_vfs_call_sys_acl_to_text(struct vfs_handle_struct *handle,
 772                                     SMB_ACL_T theacl, ssize_t *plen);
 773 SMB_ACL_T smb_vfs_call_sys_acl_init(struct vfs_handle_struct *handle,
 774                                     int count);
 775 int smb_vfs_call_sys_acl_create_entry(struct vfs_handle_struct *handle,
 776                                       SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry);
 777 int smb_vfs_call_sys_acl_set_tag_type(struct vfs_handle_struct *handle,
 778                                       SMB_ACL_ENTRY_T entry,
 779                                       SMB_ACL_TAG_T tagtype);
 780 int smb_vfs_call_sys_acl_set_qualifier(struct vfs_handle_struct *handle,
 781                                        SMB_ACL_ENTRY_T entry, void *qual);
 782 int smb_vfs_call_sys_acl_set_permset(struct vfs_handle_struct *handle,
 783                                      SMB_ACL_ENTRY_T entry,
 784                                      SMB_ACL_PERMSET_T permset);
 785 int smb_vfs_call_sys_acl_valid(struct vfs_handle_struct *handle,
 786                                SMB_ACL_T theacl);
 787 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
 788                                   const char *name, SMB_ACL_TYPE_T acltype,
 789                                   SMB_ACL_T theacl);
 790 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
 791                                 struct files_struct *fsp, SMB_ACL_T theacl);
 792 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
 793                                          const char *path);
 794 int smb_vfs_call_sys_acl_get_perm(struct vfs_handle_struct *handle,
 795                                   SMB_ACL_PERMSET_T permset,
 796                                   SMB_ACL_PERM_T perm);
 797 int smb_vfs_call_sys_acl_free_text(struct vfs_handle_struct *handle,
 798                                    char *text);
 799 int smb_vfs_call_sys_acl_free_acl(struct vfs_handle_struct *handle,
 800                                   SMB_ACL_T posix_acl);
 801 int smb_vfs_call_sys_acl_free_qualifier(struct vfs_handle_struct *handle,
 802                                         void *qualifier, SMB_ACL_TAG_T tagtype);
 803 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
 804                               const char *path, const char *name, void *value,
 805                               size_t size);
 806 ssize_t smb_vfs_call_lgetxattr(struct vfs_handle_struct *handle,
 807                                const char *path, const char *name, void *value,
 808                                size_t size);
 809 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
 810                                struct files_struct *fsp, const char *name,
 811                                void *value, size_t size);
 812 ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
 813                                const char *path, char *list, size_t size);
 814 ssize_t smb_vfs_call_llistxattr(struct vfs_handle_struct *handle,
 815                                 const char *path, char *list, size_t size);
 816 ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
 817                                 struct files_struct *fsp, char *list,
 818                                 size_t size);
 819 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
 820                              const char *path, const char *name);
 821 int smb_vfs_call_lremovexattr(struct vfs_handle_struct *handle,
 822                               const char *path, const char *name);
 823 int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
 824                               struct files_struct *fsp, const char *name);
 825 int smb_vfs_call_setxattr(struct vfs_handle_struct *handle, const char *path,
 826                           const char *name, const void *value, size_t size,
 827                           int flags);
 828 int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
 829                            const char *name, const void *value, size_t size,
 830                            int flags);
 831 int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
 832                            struct files_struct *fsp, const char *name,
 833                            const void *value, size_t size, int flags);
 834 int smb_vfs_call_aio_read(struct vfs_handle_struct *handle,
 835                           struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 836 int smb_vfs_call_aio_write(struct vfs_handle_struct *handle,
 837                            struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 838 ssize_t smb_vfs_call_aio_return(struct vfs_handle_struct *handle,
 839                                 struct files_struct *fsp,
 840                                 SMB_STRUCT_AIOCB *aiocb);
 841 int smb_vfs_call_aio_cancel(struct vfs_handle_struct *handle,
 842                             struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 843 int smb_vfs_call_aio_error(struct vfs_handle_struct *handle,
 844                            struct files_struct *fsp,
 845                            SMB_STRUCT_AIOCB *aiocb);
 846 int smb_vfs_call_aio_fsync(struct vfs_handle_struct *handle,
 847                            struct files_struct *fsp, int op,
 848                            SMB_STRUCT_AIOCB *aiocb);
 849 int smb_vfs_call_aio_suspend(struct vfs_handle_struct *handle,
 850                              struct files_struct *fsp,
 851                              const SMB_STRUCT_AIOCB * const aiocb[], int n,
 852                              const struct timespec *timeout);
 853 bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
 854                             struct files_struct *fsp);
 855 bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
 856                              const struct smb_filename *fname,
 857                              SMB_STRUCT_STAT *sbuf);
 858 int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
 859                              const struct smb_filename *fname);
 860
 861 #endif /* _VFS_H */