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                                     void (*callback)(struct sys_notify_context *ctx,
 289                                                      void *private_data,
 290                                                      struct notify_event *ev),
 291                                     void *private_data,
 292                                     void *handle_p);
 293         int (*chflags_fn)(struct vfs_handle_struct *handle, const char *path, unsigned int flags);
 294         struct file_id (*file_id_create_fn)(struct vfs_handle_struct *handle,
 295                                             const SMB_STRUCT_STAT *sbuf);
 296
 297         NTSTATUS (*streaminfo_fn)(struct vfs_handle_struct *handle,
 298                                   struct files_struct *fsp,
 299                                   const char *fname,
 300                                   TALLOC_CTX *mem_ctx,
 301                                   unsigned int *num_streams,
 302                                   struct stream_struct **streams);
 303
 304         int (*get_real_filename_fn)(struct vfs_handle_struct *handle,
 305                                     const char *path,
 306                                     const char *name,
 307                                     TALLOC_CTX *mem_ctx,
 308                                     char **found_name);
 309
 310         const char *(*connectpath_fn)(struct vfs_handle_struct *handle,
 311                                       const char *filename);
 312
 313         NTSTATUS (*brl_lock_windows_fn)(struct vfs_handle_struct *handle,
 314                                         struct byte_range_lock *br_lck,
 315                                         struct lock_struct *plock,
 316                                         bool blocking_lock,
 317                                         struct blocking_lock_record *blr);
 318
 319         bool (*brl_unlock_windows_fn)(struct vfs_handle_struct *handle,
 320                                       struct messaging_context *msg_ctx,
 321                                       struct byte_range_lock *br_lck,
 322                                       const struct lock_struct *plock);
 323
 324         bool (*brl_cancel_windows_fn)(struct vfs_handle_struct *handle,
 325                                       struct byte_range_lock *br_lck,
 326                                       struct lock_struct *plock,
 327                                       struct blocking_lock_record *blr);
 328
 329         bool (*strict_lock_fn)(struct vfs_handle_struct *handle,
 330                                struct files_struct *fsp,
 331                                struct lock_struct *plock);
 332
 333         void (*strict_unlock_fn)(struct vfs_handle_struct *handle,
 334                                  struct files_struct *fsp,
 335                                  struct lock_struct *plock);
 336
 337         NTSTATUS (*translate_name_fn)(struct vfs_handle_struct *handle,
 338                                       const char *name,
 339                                       enum vfs_translate_direction direction,
 340                                       TALLOC_CTX *mem_ctx,
 341                                       char **mapped_name);
 342
 343         NTSTATUS (*fsctl_fn)(struct vfs_handle_struct *handle,
 344                              struct files_struct *fsp,
 345                              TALLOC_CTX *ctx,
 346                              uint32_t function,
 347                              uint16_t req_flags,
 348                              const uint8_t *_in_data,
 349                              uint32_t in_len,
 350                              uint8_t **_out_data,
 351                              uint32_t max_out_len,
 352                              uint32_t *out_len);
 353
 354         /* NT ACL operations. */
 355
 356         NTSTATUS (*fget_nt_acl_fn)(struct vfs_handle_struct *handle,
 357                                    struct files_struct *fsp,
 358                                    uint32 security_info,
 359                                    struct security_descriptor **ppdesc);
 360         NTSTATUS (*get_nt_acl_fn)(struct vfs_handle_struct *handle,
 361                                   const char *name,
 362                                   uint32 security_info,
 363                                   struct security_descriptor **ppdesc);
 364         NTSTATUS (*fset_nt_acl_fn)(struct vfs_handle_struct *handle,
 365                                    struct files_struct *fsp,
 366                                    uint32 security_info_sent,
 367                                    const struct security_descriptor *psd);
 368
 369         /* POSIX ACL operations. */
 370
 371         int (*chmod_acl_fn)(struct vfs_handle_struct *handle, const char *name, mode_t mode);
 372         int (*fchmod_acl_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
 373
 374         int (*sys_acl_get_entry_fn)(struct vfs_handle_struct *handle, SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p);
 375         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);
 376         int (*sys_acl_get_permset_fn)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p);
 377         void * (*sys_acl_get_qualifier_fn)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d);
 378         SMB_ACL_T (*sys_acl_get_file_fn)(struct vfs_handle_struct *handle, const char *path_p, SMB_ACL_TYPE_T type);
 379         SMB_ACL_T (*sys_acl_get_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 380         int (*sys_acl_clear_perms_fn)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset);
 381         int (*sys_acl_add_perm_fn)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm);
 382         char * (*sys_acl_to_text_fn)(struct vfs_handle_struct *handle, SMB_ACL_T theacl, ssize_t *plen);
 383         SMB_ACL_T (*sys_acl_init_fn)(struct vfs_handle_struct *handle, int count);
 384         int (*sys_acl_create_entry_fn)(struct vfs_handle_struct *handle, SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry);
 385         int (*sys_acl_set_tag_type_fn)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype);
 386         int (*sys_acl_set_qualifier_fn)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, void *qual);
 387         int (*sys_acl_set_permset_fn)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset);
 388         int (*sys_acl_valid_fn)(struct vfs_handle_struct *handle, SMB_ACL_T theacl );
 389         int (*sys_acl_set_file_fn)(struct vfs_handle_struct *handle, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl);
 390         int (*sys_acl_set_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_ACL_T theacl);
 391         int (*sys_acl_delete_def_file_fn)(struct vfs_handle_struct *handle, const char *path);
 392         int (*sys_acl_get_perm_fn)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm);
 393         int (*sys_acl_free_text_fn)(struct vfs_handle_struct *handle, char *text);
 394         int (*sys_acl_free_acl_fn)(struct vfs_handle_struct *handle, SMB_ACL_T posix_acl);
 395         int (*sys_acl_free_qualifier_fn)(struct vfs_handle_struct *handle, void *qualifier, SMB_ACL_TAG_T tagtype);
 396
 397         /* EA operations. */
 398         ssize_t (*getxattr_fn)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
 399         ssize_t (*lgetxattr_fn)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
 400         ssize_t (*fgetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size);
 401         ssize_t (*listxattr_fn)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
 402         ssize_t (*llistxattr_fn)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
 403         ssize_t (*flistxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size);
 404         int (*removexattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name);
 405         int (*lremovexattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name);
 406         int (*fremovexattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name);
 407         int (*setxattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
 408         int (*lsetxattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
 409         int (*fsetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags);
 410
 411         /* aio operations */
 412         int (*aio_read_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 413         int (*aio_write_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 414         ssize_t (*aio_return_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 415         int (*aio_cancel_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 416         int (*aio_error_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 417         int (*aio_fsync_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_STRUCT_AIOCB *aiocb);
 418         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);
 419         bool (*aio_force_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 420
 421         /* offline operations */
 422         bool (*is_offline_fn)(struct vfs_handle_struct *handle,
 423                            const struct smb_filename *fname,
 424                            SMB_STRUCT_STAT *sbuf);
 425         int (*set_offline_fn)(struct vfs_handle_struct *handle,
 426                            const struct smb_filename *fname);
 427 };
 428
 429 /*
 430     VFS operation description. Each VFS module registers an array of vfs_op_tuple to VFS subsystem,
 431     which describes all operations this module is willing to intercept.
 432     VFS subsystem initializes then the conn->vfs_ops and conn->vfs_opaque_ops structs
 433     using this information.
 434 */
 435
 436 typedef struct vfs_handle_struct {
 437         struct vfs_handle_struct  *next, *prev;
 438         const char *param;
 439         struct connection_struct *conn;
 440         const struct vfs_fn_pointers *fns;
 441         void *data;
 442         void (*free_data)(void **data);
 443 } vfs_handle_struct;
 444
 445
 446 typedef struct vfs_statvfs_struct {
 447         /* For undefined recommended transfer size return -1 in that field */
 448         uint32 OptimalTransferSize;  /* bsize on some os, iosize on other os */
 449         uint32 BlockSize;
 450
 451         /*
 452          The next three fields are in terms of the block size.
 453          (above). If block size is unknown, 4096 would be a
 454          reasonable block size for a server to report.
 455          Note that returning the blocks/blocksavail removes need
 456          to make a second call (to QFSInfo level 0x103 to get this info.
 457          UserBlockAvail is typically less than or equal to BlocksAvail,
 458          if no distinction is made return the same value in each.
 459         */
 460
 461         uint64_t TotalBlocks;
 462         uint64_t BlocksAvail;       /* bfree */
 463         uint64_t UserBlocksAvail;   /* bavail */
 464
 465         /* For undefined Node fields or FSID return -1 */
 466         uint64_t TotalFileNodes;
 467         uint64_t FreeFileNodes;
 468         uint64_t FsIdentifier;   /* fsid */
 469         /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */
 470         /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call   */
 471
 472         int FsCapabilities;
 473 } vfs_statvfs_struct;
 474
 475 /* Add a new FSP extension of the given type. Returns a pointer to the
 476  * extenstion data.
 477  */
 478 #define VFS_ADD_FSP_EXTENSION(handle, fsp, type, destroy_fn)            \
 479     vfs_add_fsp_extension_notype(handle, (fsp), sizeof(type), (destroy_fn))
 480
 481 /* Return a pointer to the existing FSP extension data. */
 482 #define VFS_FETCH_FSP_EXTENSION(handle, fsp) \
 483     vfs_fetch_fsp_extension(handle, (fsp))
 484
 485 /* Return the talloc context associated with an FSP extension. */
 486 #define VFS_MEMCTX_FSP_EXTENSION(handle, fsp) \
 487     vfs_memctx_fsp_extension(handle, (fsp))
 488
 489 /* Remove and destroy an FSP extension. */
 490 #define VFS_REMOVE_FSP_EXTENSION(handle, fsp) \
 491     vfs_remove_fsp_extension((handle), (fsp))
 492
 493 #define SMB_VFS_HANDLE_GET_DATA(handle, datap, type, ret) { \
 494         if (!(handle)||((datap=(type *)(handle)->data)==NULL)) { \
 495                 DEBUG(0,("%s() failed to get vfs_handle->data!\n",__FUNCTION__)); \
 496                 ret; \
 497         } \
 498 }
 499
 500 #define SMB_VFS_HANDLE_SET_DATA(handle, datap, free_fn, type, ret) { \
 501         if (!(handle)) { \
 502                 DEBUG(0,("%s() failed to set handle->data!\n",__FUNCTION__)); \
 503                 ret; \
 504         } else { \
 505                 if ((handle)->free_data) { \
 506                         (handle)->free_data(&(handle)->data); \
 507                 } \
 508                 (handle)->data = (void *)datap; \
 509                 (handle)->free_data = free_fn; \
 510         } \
 511 }
 512
 513 #define SMB_VFS_HANDLE_FREE_DATA(handle) { \
 514         if ((handle) && (handle)->free_data) { \
 515                 (handle)->free_data(&(handle)->data); \
 516         } \
 517 }
 518
 519 /* Check whether module-specific data handle was already allocated or not */
 520 #define SMB_VFS_HANDLE_TEST_DATA(handle)  ( !(handle) || !(handle)->data ? False : True )
 521
 522 #define SMB_VFS_OP(x) ((void *) x)
 523
 524 #define DEFAULT_VFS_MODULE_NAME "/[Default VFS]/"
 525
 526 #include "vfs_macros.h"
 527
 528 int smb_vfs_call_connect(struct vfs_handle_struct *handle,
 529                          const char *service, const char *user);
 530 void smb_vfs_call_disconnect(struct vfs_handle_struct *handle);
 531 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
 532                                 const char *path, bool small_query,
 533                                 uint64_t *bsize, uint64_t *dfree,
 534                                 uint64_t *dsize);
 535 int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
 536                            enum SMB_QUOTA_TYPE qtype, unid_t id,
 537                            SMB_DISK_QUOTA *qt);
 538 int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
 539                            enum SMB_QUOTA_TYPE qtype, unid_t id,
 540                            SMB_DISK_QUOTA *qt);
 541 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
 542                                       struct files_struct *fsp,
 543                                       struct shadow_copy_data *shadow_copy_data,
 544                                       bool labels);
 545 int smb_vfs_call_statvfs(struct vfs_handle_struct *handle, const char *path,
 546                          struct vfs_statvfs_struct *statbuf);
 547 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
 548                                       enum timestamp_set_resolution *p_ts_res);
 549 /*
 550  * Note: that "struct dfs_GetDFSReferral *r" needs to be a valid TALLOC_CTX
 551  */
 552 NTSTATUS smb_vfs_call_get_dfs_referrals(struct vfs_handle_struct *handle,
 553                                         struct dfs_GetDFSReferral *r);
 554 SMB_STRUCT_DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
 555                                      const char *fname, const char *mask,
 556                                      uint32 attributes);
 557 SMB_STRUCT_DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
 558                                         struct files_struct *fsp,
 559                                         const char *mask,
 560                                         uint32 attributes);
 561 SMB_STRUCT_DIRENT *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
 562                                         SMB_STRUCT_DIR *dirp,
 563                                         SMB_STRUCT_STAT *sbuf);
 564 void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
 565                           SMB_STRUCT_DIR *dirp, long offset);
 566 long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
 567                           SMB_STRUCT_DIR *dirp);
 568 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
 569                              SMB_STRUCT_DIR *dirp);
 570 int smb_vfs_call_mkdir(struct vfs_handle_struct *handle, const char *path,
 571                        mode_t mode);
 572 int smb_vfs_call_rmdir(struct vfs_handle_struct *handle, const char *path);
 573 int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
 574                           SMB_STRUCT_DIR *dir);
 575 void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
 576                                  SMB_STRUCT_DIR *dirp);
 577 int smb_vfs_call_open(struct vfs_handle_struct *handle,
 578                       struct smb_filename *smb_fname, struct files_struct *fsp,
 579                       int flags, mode_t mode);
 580 NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
 581                                   struct smb_request *req,
 582                                   uint16_t root_dir_fid,
 583                                   struct smb_filename *smb_fname,
 584                                   uint32_t access_mask,
 585                                   uint32_t share_access,
 586                                   uint32_t create_disposition,
 587                                   uint32_t create_options,
 588                                   uint32_t file_attributes,
 589                                   uint32_t oplock_request,
 590                                   uint64_t allocation_size,
 591                                   uint32_t private_flags,
 592                                   struct security_descriptor *sd,
 593                                   struct ea_list *ea_list,
 594                                   files_struct **result,
 595                                   int *pinfo);
 596 int smb_vfs_call_close(struct vfs_handle_struct *handle,
 597                        struct files_struct *fsp);
 598 ssize_t smb_vfs_call_read(struct vfs_handle_struct *handle,
 599                           struct files_struct *fsp, void *data, size_t n);
 600 ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
 601                            struct files_struct *fsp, void *data, size_t n,
 602                            SMB_OFF_T offset);
 603 ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
 604                            struct files_struct *fsp, const void *data,
 605                            size_t n);
 606 ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
 607                             struct files_struct *fsp, const void *data,
 608                             size_t n, SMB_OFF_T offset);
 609 SMB_OFF_T smb_vfs_call_lseek(struct vfs_handle_struct *handle,
 610                              struct files_struct *fsp, SMB_OFF_T offset,
 611                              int whence);
 612 ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
 613                               files_struct *fromfsp, const DATA_BLOB *header,
 614                               SMB_OFF_T offset, size_t count);
 615 ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
 616                               files_struct *tofsp, SMB_OFF_T offset,
 617                               size_t count);
 618 int smb_vfs_call_rename(struct vfs_handle_struct *handle,
 619                         const struct smb_filename *smb_fname_src,
 620                         const struct smb_filename *smb_fname_dst);
 621 int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
 622                        struct files_struct *fsp);
 623 int smb_vfs_call_stat(struct vfs_handle_struct *handle,
 624                       struct smb_filename *smb_fname);
 625 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
 626                        struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
 627 int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
 628                        struct smb_filename *smb_filename);
 629 uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
 630                                      struct files_struct *fsp,
 631                                      const SMB_STRUCT_STAT *sbuf);
 632 int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
 633                         const struct smb_filename *smb_fname);
 634 int smb_vfs_call_chmod(struct vfs_handle_struct *handle, const char *path,
 635                        mode_t mode);
 636 int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
 637                         struct files_struct *fsp, mode_t mode);
 638 int smb_vfs_call_chown(struct vfs_handle_struct *handle, const char *path,
 639                        uid_t uid, gid_t gid);
 640 int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
 641                         struct files_struct *fsp, uid_t uid, gid_t gid);
 642 int smb_vfs_call_lchown(struct vfs_handle_struct *handle, const char *path,
 643                         uid_t uid, gid_t gid);
 644 int smb_vfs_call_chdir(struct vfs_handle_struct *handle, const char *path);
 645 char *smb_vfs_call_getwd(struct vfs_handle_struct *handle);
 646 int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
 647                         const struct smb_filename *smb_fname,
 648                         struct smb_file_time *ft);
 649 int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
 650                            struct files_struct *fsp, SMB_OFF_T offset);
 651 int smb_vfs_call_fallocate(struct vfs_handle_struct *handle,
 652                         struct files_struct *fsp,
 653                         enum vfs_fallocate_mode mode,
 654                         SMB_OFF_T offset,
 655                         SMB_OFF_T len);
 656 bool smb_vfs_call_lock(struct vfs_handle_struct *handle,
 657                        struct files_struct *fsp, int op, SMB_OFF_T offset,
 658                        SMB_OFF_T count, int type);
 659 int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
 660                               struct files_struct *fsp, uint32 share_mode,
 661                               uint32_t access_mask);
 662 int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
 663                                 struct files_struct *fsp, int leasetype);
 664 bool smb_vfs_call_getlock(struct vfs_handle_struct *handle,
 665                           struct files_struct *fsp, SMB_OFF_T *poffset,
 666                           SMB_OFF_T *pcount, int *ptype, pid_t *ppid);
 667 int smb_vfs_call_symlink(struct vfs_handle_struct *handle, const char *oldpath,
 668                          const char *newpath);
 669 int smb_vfs_call_readlink(struct vfs_handle_struct *handle,
 670                           const char *path, char *buf, size_t bufsiz);
 671 int smb_vfs_call_link(struct vfs_handle_struct *handle, const char *oldpath,
 672                       const char *newpath);
 673 int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
 674                        mode_t mode, SMB_DEV_T dev);
 675 char *smb_vfs_call_realpath(struct vfs_handle_struct *handle, const char *path);
 676 NTSTATUS smb_vfs_call_notify_watch(struct vfs_handle_struct *handle,
 677                                    struct sys_notify_context *ctx,
 678                                    struct notify_entry *e,
 679                                    void (*callback)(struct sys_notify_context *ctx,
 680                                                     void *private_data,
 681                                                     struct notify_event *ev),
 682                                    void *private_data, void *handle_p);
 683 int smb_vfs_call_chflags(struct vfs_handle_struct *handle, const char *path,
 684                          unsigned int flags);
 685 struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
 686                                            const SMB_STRUCT_STAT *sbuf);
 687 NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
 688                                  struct files_struct *fsp,
 689                                  const char *fname,
 690                                  TALLOC_CTX *mem_ctx,
 691                                  unsigned int *num_streams,
 692                                  struct stream_struct **streams);
 693 int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
 694                                    const char *path, const char *name,
 695                                    TALLOC_CTX *mem_ctx, char **found_name);
 696 const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
 697                                      const char *filename);
 698 NTSTATUS smb_vfs_call_brl_lock_windows(struct vfs_handle_struct *handle,
 699                                        struct byte_range_lock *br_lck,
 700                                        struct lock_struct *plock,
 701                                        bool blocking_lock,
 702                                        struct blocking_lock_record *blr);
 703 bool smb_vfs_call_brl_unlock_windows(struct vfs_handle_struct *handle,
 704                                      struct messaging_context *msg_ctx,
 705                                      struct byte_range_lock *br_lck,
 706                                      const struct lock_struct *plock);
 707 bool smb_vfs_call_brl_cancel_windows(struct vfs_handle_struct *handle,
 708                                      struct byte_range_lock *br_lck,
 709                                      struct lock_struct *plock,
 710                                      struct blocking_lock_record *blr);
 711 bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
 712                               struct files_struct *fsp,
 713                               struct lock_struct *plock);
 714 void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
 715                                 struct files_struct *fsp,
 716                                 struct lock_struct *plock);
 717 NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
 718                                      const char *name,
 719                                      enum vfs_translate_direction direction,
 720                                      TALLOC_CTX *mem_ctx,
 721                                      char **mapped_name);
 722 NTSTATUS smb_vfs_call_fsctl(struct vfs_handle_struct *handle,
 723                             struct files_struct *fsp,
 724                             TALLOC_CTX *ctx,
 725                             uint32_t function,
 726                             uint16_t req_flags,
 727                             const uint8_t *_in_data,
 728                             uint32_t in_len,
 729                             uint8_t **_out_data,
 730                             uint32_t max_out_len,
 731                             uint32_t *out_len);
 732 NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
 733                                   struct files_struct *fsp,
 734                                   uint32 security_info,
 735                                   struct security_descriptor **ppdesc);
 736 NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
 737                                  const char *name,
 738                                  uint32 security_info,
 739                                  struct security_descriptor **ppdesc);
 740 NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
 741                                   struct files_struct *fsp,
 742                                   uint32 security_info_sent,
 743                                   const struct security_descriptor *psd);
 744 int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle, const char *name,
 745                            mode_t mode);
 746 int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
 747                             struct files_struct *fsp, mode_t mode);
 748 int smb_vfs_call_sys_acl_get_entry(struct vfs_handle_struct *handle,
 749                                    SMB_ACL_T theacl, int entry_id,
 750                                    SMB_ACL_ENTRY_T *entry_p);
 751 int smb_vfs_call_sys_acl_get_tag_type(struct vfs_handle_struct *handle,
 752                                       SMB_ACL_ENTRY_T entry_d,
 753                                       SMB_ACL_TAG_T *tag_type_p);
 754 int smb_vfs_call_sys_acl_get_permset(struct vfs_handle_struct *handle,
 755                                      SMB_ACL_ENTRY_T entry_d,
 756                                      SMB_ACL_PERMSET_T *permset_p);
 757 void * smb_vfs_call_sys_acl_get_qualifier(struct vfs_handle_struct *handle,
 758                                           SMB_ACL_ENTRY_T entry_d);
 759 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
 760                                         const char *path_p,
 761                                         SMB_ACL_TYPE_T type);
 762 SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
 763                                       struct files_struct *fsp);
 764 int smb_vfs_call_sys_acl_clear_perms(struct vfs_handle_struct *handle,
 765                                      SMB_ACL_PERMSET_T permset);
 766 int smb_vfs_call_sys_acl_add_perm(struct vfs_handle_struct *handle,
 767                                   SMB_ACL_PERMSET_T permset,
 768                                   SMB_ACL_PERM_T perm);
 769 char * smb_vfs_call_sys_acl_to_text(struct vfs_handle_struct *handle,
 770                                     SMB_ACL_T theacl, ssize_t *plen);
 771 SMB_ACL_T smb_vfs_call_sys_acl_init(struct vfs_handle_struct *handle,
 772                                     int count);
 773 int smb_vfs_call_sys_acl_create_entry(struct vfs_handle_struct *handle,
 774                                       SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry);
 775 int smb_vfs_call_sys_acl_set_tag_type(struct vfs_handle_struct *handle,
 776                                       SMB_ACL_ENTRY_T entry,
 777                                       SMB_ACL_TAG_T tagtype);
 778 int smb_vfs_call_sys_acl_set_qualifier(struct vfs_handle_struct *handle,
 779                                        SMB_ACL_ENTRY_T entry, void *qual);
 780 int smb_vfs_call_sys_acl_set_permset(struct vfs_handle_struct *handle,
 781                                      SMB_ACL_ENTRY_T entry,
 782                                      SMB_ACL_PERMSET_T permset);
 783 int smb_vfs_call_sys_acl_valid(struct vfs_handle_struct *handle,
 784                                SMB_ACL_T theacl);
 785 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
 786                                   const char *name, SMB_ACL_TYPE_T acltype,
 787                                   SMB_ACL_T theacl);
 788 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
 789                                 struct files_struct *fsp, SMB_ACL_T theacl);
 790 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
 791                                          const char *path);
 792 int smb_vfs_call_sys_acl_get_perm(struct vfs_handle_struct *handle,
 793                                   SMB_ACL_PERMSET_T permset,
 794                                   SMB_ACL_PERM_T perm);
 795 int smb_vfs_call_sys_acl_free_text(struct vfs_handle_struct *handle,
 796                                    char *text);
 797 int smb_vfs_call_sys_acl_free_acl(struct vfs_handle_struct *handle,
 798                                   SMB_ACL_T posix_acl);
 799 int smb_vfs_call_sys_acl_free_qualifier(struct vfs_handle_struct *handle,
 800                                         void *qualifier, SMB_ACL_TAG_T tagtype);
 801 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
 802                               const char *path, const char *name, void *value,
 803                               size_t size);
 804 ssize_t smb_vfs_call_lgetxattr(struct vfs_handle_struct *handle,
 805                                const char *path, const char *name, void *value,
 806                                size_t size);
 807 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
 808                                struct files_struct *fsp, const char *name,
 809                                void *value, size_t size);
 810 ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
 811                                const char *path, char *list, size_t size);
 812 ssize_t smb_vfs_call_llistxattr(struct vfs_handle_struct *handle,
 813                                 const char *path, char *list, size_t size);
 814 ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
 815                                 struct files_struct *fsp, char *list,
 816                                 size_t size);
 817 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
 818                              const char *path, const char *name);
 819 int smb_vfs_call_lremovexattr(struct vfs_handle_struct *handle,
 820                               const char *path, const char *name);
 821 int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
 822                               struct files_struct *fsp, const char *name);
 823 int smb_vfs_call_setxattr(struct vfs_handle_struct *handle, const char *path,
 824                           const char *name, const void *value, size_t size,
 825                           int flags);
 826 int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
 827                            const char *name, const void *value, size_t size,
 828                            int flags);
 829 int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
 830                            struct files_struct *fsp, const char *name,
 831                            const void *value, size_t size, int flags);
 832 int smb_vfs_call_aio_read(struct vfs_handle_struct *handle,
 833                           struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 834 int smb_vfs_call_aio_write(struct vfs_handle_struct *handle,
 835                            struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 836 ssize_t smb_vfs_call_aio_return(struct vfs_handle_struct *handle,
 837                                 struct files_struct *fsp,
 838                                 SMB_STRUCT_AIOCB *aiocb);
 839 int smb_vfs_call_aio_cancel(struct vfs_handle_struct *handle,
 840                             struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 841 int smb_vfs_call_aio_error(struct vfs_handle_struct *handle,
 842                            struct files_struct *fsp,
 843                            SMB_STRUCT_AIOCB *aiocb);
 844 int smb_vfs_call_aio_fsync(struct vfs_handle_struct *handle,
 845                            struct files_struct *fsp, int op,
 846                            SMB_STRUCT_AIOCB *aiocb);
 847 int smb_vfs_call_aio_suspend(struct vfs_handle_struct *handle,
 848                              struct files_struct *fsp,
 849                              const SMB_STRUCT_AIOCB * const aiocb[], int n,
 850                              const struct timespec *timeout);
 851 bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
 852                             struct files_struct *fsp);
 853 bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
 854                              const struct smb_filename *fname,
 855                              SMB_STRUCT_STAT *sbuf);
 856 int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
 857                              const struct smb_filename *fname);
 858
 859 #endif /* _VFS_H */