examples/VFS/skel_transparent.c

   1 /*
   2  * Skeleton VFS module.  Implements passthrough operation of all VFS
   3  * calls to disk functions.
   4  *
   5  * Copyright (C) Tim Potter, 1999-2000
   6  * Copyright (C) Alexander Bokovoy, 2002
   7  * Copyright (C) Stefan (metze) Metzmacher, 2003
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 3 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  21  */
  22
  23
  24 #include "includes.h"
  25
  26 /* PLEASE,PLEASE READ THE VFS MODULES CHAPTER OF THE
  27    SAMBA DEVELOPERS GUIDE!!!!!!
  28  */
  29
  30 /* If you take this file as template for your module
  31  * please make sure that you remove all functions you didn't
  32  * want to implement!!
  33  *
  34  * This passthrough operations are useless in reall vfs modules!
  35  *
  36  * --metze
  37  */
  38
  39 static int skel_connect(vfs_handle_struct *handle,  const char *service, const char *user)
  40 {
  41         return SMB_VFS_NEXT_CONNECT(handle, service, user);
  42 }
  43
  44 static void skel_disconnect(vfs_handle_struct *handle)
  45 {
  46         SMB_VFS_NEXT_DISCONNECT(handle);
  47 }
  48
  49 static uint64_t skel_disk_free(vfs_handle_struct *handle,  const char *path,
  50         bool small_query, uint64_t *bsize,
  51         uint64_t *dfree, uint64_t *dsize)
  52 {
  53         return SMB_VFS_NEXT_DISK_FREE(handle, path, small_query, bsize,
  54                                          dfree, dsize);
  55 }
  56
  57 static int skel_get_quota(vfs_handle_struct *handle,  enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dq)
  58 {
  59         return SMB_VFS_NEXT_GET_QUOTA(handle, qtype, id, dq);
  60 }
  61
  62 static int skel_set_quota(vfs_handle_struct *handle,  enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dq)
  63 {
  64         return SMB_VFS_NEXT_SET_QUOTA(handle, qtype, id, dq);
  65 }
  66
  67 static int skel_get_shadow_copy_data(vfs_handle_struct *handle, files_struct *fsp, SHADOW_COPY_DATA *shadow_copy_data, bool labels)
  68 {
  69         return SMB_VFS_NEXT_GET_SHADOW_COPY_DATA(handle, fsp, shadow_copy_data, labels);
  70 }
  71
  72 static int skel_statvfs(struct vfs_handle_struct *handle, const char *path, struct vfs_statvfs_struct *statbuf)
  73 {
  74         return SMB_VFS_NEXT_STATVFS(handle, path, statbuf);
  75 }
  76
  77 static SMB_STRUCT_DIR *skel_opendir(vfs_handle_struct *handle,  const char *fname, const char *mask, uint32 attr)
  78 {
  79         return SMB_VFS_NEXT_OPENDIR(handle, fname, mask, attr);
  80 }
  81
  82 static SMB_STRUCT_DIRENT *skel_readdir(vfs_handle_struct *handle,
  83                                        SMB_STRUCT_DIR *dirp,
  84                                        SMB_STRUCT_STAT *sbuf)
  85 {
  86         return SMB_VFS_NEXT_READDIR(handle, dirp, sbuf);
  87 }
  88
  89 static void skel_seekdir(vfs_handle_struct *handle,  SMB_STRUCT_DIR *dirp, long offset)
  90 {
  91         return SMB_VFS_NEXT_SEEKDIR(handle, dirp, offset);
  92 }
  93
  94 static long skel_telldir(vfs_handle_struct *handle,  SMB_STRUCT_DIR *dirp)
  95 {
  96         return SMB_VFS_NEXT_TELLDIR(handle, dirp);
  97 }
  98
  99 static void skel_rewinddir(vfs_handle_struct *handle,  SMB_STRUCT_DIR *dirp)
 100 {
 101         return SMB_VFS_NEXT_REWINDDIR(handle, dirp);
 102 }
 103
 104 static int skel_mkdir(vfs_handle_struct *handle,  const char *path, mode_t mode)
 105 {
 106         return SMB_VFS_NEXT_MKDIR(handle, path, mode);
 107 }
 108
 109 static int skel_rmdir(vfs_handle_struct *handle,  const char *path)
 110 {
 111         return SMB_VFS_NEXT_RMDIR(handle, path);
 112 }
 113
 114 static int skel_closedir(vfs_handle_struct *handle,  SMB_STRUCT_DIR *dir)
 115 {
 116         return SMB_VFS_NEXT_CLOSEDIR(handle, dir);
 117 }
 118
 119 static int skel_open(vfs_handle_struct *handle, struct smb_filename *smb_fname,
 120                      files_struct *fsp, int flags, mode_t mode)
 121 {
 122         return SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
 123 }
 124
 125 static int skel_close(vfs_handle_struct *handle, files_struct *fsp)
 126 {
 127         return SMB_VFS_NEXT_CLOSE(handle, fsp);
 128 }
 129
 130 static ssize_t skel_read(vfs_handle_struct *handle, files_struct *fsp, void *data, size_t n)
 131 {
 132         return SMB_VFS_NEXT_READ(handle, fsp, data, n);
 133 }
 134
 135 static ssize_t skel_pread(vfs_handle_struct *handle, files_struct *fsp, void *data, size_t n, SMB_OFF_T offset)
 136 {
 137         return SMB_VFS_NEXT_PREAD(handle, fsp, data, n, offset);
 138 }
 139
 140 static ssize_t skel_write(vfs_handle_struct *handle, files_struct *fsp, const void *data, size_t n)
 141 {
 142         return SMB_VFS_NEXT_WRITE(handle, fsp, data, n);
 143 }
 144
 145 static ssize_t skel_pwrite(vfs_handle_struct *handle, files_struct *fsp, const void *data, size_t n, SMB_OFF_T offset)
 146 {
 147         return SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
 148 }
 149
 150 static SMB_OFF_T skel_lseek(vfs_handle_struct *handle, files_struct *fsp, SMB_OFF_T offset, int whence)
 151 {
 152         return SMB_VFS_NEXT_LSEEK(handle, fsp, offset, whence);
 153 }
 154
 155 static ssize_t skel_sendfile(vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *hdr, SMB_OFF_T offset, size_t n)
 156 {
 157         return SMB_VFS_NEXT_SENDFILE(handle, tofd, fromfsp, hdr, offset, n);
 158 }
 159
 160 static ssize_t skel_recvfile(vfs_handle_struct *handle, int fromfd, files_struct *tofsp, SMB_OFF_T offset, size_t n)
 161 {
 162         return SMB_VFS_NEXT_RECVFILE(handle, fromfd, tofsp, offset, n);
 163 }
 164
 165 static int skel_rename(vfs_handle_struct *handle,
 166                        const smb_filename *smb_fname_src,
 167                        const smb_filename *smb_fname_dst)
 168 {
 169         return SMB_VFS_NEXT_RENAME(handle, smb_fname_src, smb_fname_dst);
 170 }
 171
 172 static int skel_fsync(vfs_handle_struct *handle, files_struct *fsp)
 173 {
 174         return SMB_VFS_NEXT_FSYNC(handle, fsp);
 175 }
 176
 177 static int skel_stat(vfs_handle_struct *handle, struct smb_filename *smb_fname)
 178 {
 179         return SMB_VFS_NEXT_STAT(handle, smb_fname);
 180 }
 181
 182 static int skel_fstat(vfs_handle_struct *handle, files_struct *fsp, SMB_STRUCT_STAT *sbuf)
 183 {
 184         return SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
 185 }
 186
 187 static int skel_lstat(vfs_handle_struct *handle, struct smb_filename *smb_fname)
 188 {
 189         return SMB_VFS_NEXT_LSTAT(handle, smb_fname);
 190 }
 191
 192 static int skel_unlink(vfs_handle_struct *handle,
 193                        const struct smb_filename *smb_fname)
 194 {
 195         return SMB_VFS_NEXT_UNLINK(handle, smb_fname);
 196 }
 197
 198 static int skel_chmod(vfs_handle_struct *handle,  const char *path, mode_t mode)
 199 {
 200         return SMB_VFS_NEXT_CHMOD(handle, path, mode);
 201 }
 202
 203 static int skel_fchmod(vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
 204 {
 205         return SMB_VFS_NEXT_FCHMOD(handle, fsp, mode);
 206 }
 207
 208 static int skel_chown(vfs_handle_struct *handle,  const char *path, uid_t uid, gid_t gid)
 209 {
 210         return SMB_VFS_NEXT_CHOWN(handle, path, uid, gid);
 211 }
 212
 213 static int skel_fchown(vfs_handle_struct *handle, files_struct *fsp, uid_t uid, gid_t gid)
 214 {
 215         return SMB_VFS_NEXT_FCHOWN(handle, fsp, uid, gid);
 216 }
 217
 218 static int skel_lchown(vfs_handle_struct *handle,  const char *path, uid_t uid, gid_t gid)
 219 {
 220         return SMB_VFS_NEXT_LCHOWN(handle, path, uid, gid);
 221 }
 222
 223 static int skel_chdir(vfs_handle_struct *handle,  const char *path)
 224 {
 225         return SMB_VFS_NEXT_CHDIR(handle, path);
 226 }
 227
 228 static char *skel_getwd(vfs_handle_struct *handle,  char *buf)
 229 {
 230         return SMB_VFS_NEXT_GETWD(handle, buf);
 231 }
 232
 233 static int skel_ntimes(vfs_handle_struct *handle,
 234                        const struct smb_filename *smb_fname,
 235                        struct smb_file_time *ft)
 236 {
 237         return SMB_VFS_NEXT_NTIMES(handle, smb_fname, ft);
 238 }
 239
 240 static int skel_ftruncate(vfs_handle_struct *handle, files_struct *fsp, SMB_OFF_T offset)
 241 {
 242         return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, offset);
 243 }
 244
 245 static bool skel_lock(vfs_handle_struct *handle, files_struct *fsp, int op, SMB_OFF_T offset, SMB_OFF_T count, int type)
 246 {
 247         return SMB_VFS_NEXT_LOCK(handle, fsp, op, offset, count, type);
 248 }
 249
 250 static bool skel_getlock(vfs_handle_struct *handle, files_struct *fsp, SMB_OFF_T *poffset, SMB_OFF_T *pcount, int *ptype, pid_t *ppid)
 251 {
 252         return SMB_VFS_NEXT_GETLOCK(handle, fsp, poffset, pcount, ptype, ppid);
 253 }
 254
 255 static int skel_symlink(vfs_handle_struct *handle,  const char *oldpath, const char *newpath)
 256 {
 257         return SMB_VFS_NEXT_SYMLINK(handle, oldpath, newpath);
 258 }
 259
 260 static int skel_readlink(vfs_handle_struct *handle,  const char *path, char *buf, size_t bufsiz)
 261 {
 262         return SMB_VFS_NEXT_READLINK(handle, path, buf, bufsiz);
 263 }
 264
 265 static int skel_link(vfs_handle_struct *handle,  const char *oldpath, const char *newpath)
 266 {
 267         return SMB_VFS_NEXT_LINK(handle, oldpath, newpath);
 268 }
 269
 270 static int skel_mknod(vfs_handle_struct *handle,  const char *path, mode_t mode, SMB_DEV_T dev)
 271 {
 272         return SMB_VFS_NEXT_MKNOD(handle, path, mode, dev);
 273 }
 274
 275 static char *skel_realpath(vfs_handle_struct *handle,  const char *path, char *resolved_path)
 276 {
 277         return SMB_VFS_NEXT_REALPATH(handle, path, resolved_path);
 278 }
 279
 280 static NTSTATUS skel_notify_watch(struct vfs_handle_struct *handle,
 281             struct sys_notify_context *ctx, struct notify_entry *e,
 282             void (*callback)(struct sys_notify_context *ctx, void *private_data, struct notify_event *ev),
 283             void *private_data, void *handle_p)
 284 {
 285         return SMB_VFS_NEXT_NOTIFY_WATCH(handle, ctx, e, callback,
 286                 private_data, handle_p);
 287 }
 288
 289 static int skel_chflags(vfs_handle_struct *handle,  const char *path, uint flags)
 290 {
 291         return SMB_VFS_NEXT_CHFLAGS(handle, path, flags);
 292 }
 293
 294 static struct file_id skel_file_id_create(vfs_handle_struct *handle,
 295                                           const SMB_STRUCT_STAT *sbuf)
 296 {
 297         return SMB_VFS_NEXT_FILE_ID_CREATE(handle, sbuf);
 298 }
 299
 300 static NTSTATUS skel_fget_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
 301         uint32 security_info, SEC_DESC **ppdesc)
 302 {
 303         return SMB_VFS_NEXT_FGET_NT_ACL(handle, fsp, security_info, ppdesc);
 304 }
 305
 306 static NTSTATUS skel_get_nt_acl(vfs_handle_struct *handle,
 307         const char *name, uint32 security_info, SEC_DESC **ppdesc)
 308 {
 309         return SMB_VFS_NEXT_GET_NT_ACL(handle, name, security_info, ppdesc);
 310 }
 311
 312 static NTSTATUS skel_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
 313         uint32 security_info_sent, const SEC_DESC *psd)
 314 {
 315         return SMB_VFS_NEXT_FSET_NT_ACL(handle, fsp, security_info_sent, psd);
 316 }
 317
 318 static int skel_chmod_acl(vfs_handle_struct *handle,  const char *name, mode_t mode)
 319 {
 320         /* If the underlying VFS doesn't have ACL support... */
 321         if (!handle->vfs_next.ops.chmod_acl) {
 322                 errno = ENOSYS;
 323                 return -1;
 324         }
 325         return SMB_VFS_NEXT_CHMOD_ACL(handle, name, mode);
 326 }
 327
 328 static int skel_fchmod_acl(vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
 329 {
 330         /* If the underlying VFS doesn't have ACL support... */
 331         if (!handle->vfs_next.ops.fchmod_acl) {
 332                 errno = ENOSYS;
 333                 return -1;
 334         }
 335         return SMB_VFS_NEXT_FCHMOD_ACL(handle, fsp, mode);
 336 }
 337
 338 static int skel_sys_acl_get_entry(vfs_handle_struct *handle,  SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p)
 339 {
 340         return SMB_VFS_NEXT_SYS_ACL_GET_ENTRY(handle, theacl, entry_id, entry_p);
 341 }
 342
 343 static int skel_sys_acl_get_tag_type(vfs_handle_struct *handle,  SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p)
 344 {
 345         return SMB_VFS_NEXT_SYS_ACL_GET_TAG_TYPE(handle, entry_d, tag_type_p);
 346 }
 347
 348 static int skel_sys_acl_get_permset(vfs_handle_struct *handle,  SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p)
 349 {
 350         return SMB_VFS_NEXT_SYS_ACL_GET_PERMSET(handle, entry_d, permset_p);
 351 }
 352
 353 static void *skel_sys_acl_get_qualifier(vfs_handle_struct *handle,  SMB_ACL_ENTRY_T entry_d)
 354 {
 355         return SMB_VFS_NEXT_SYS_ACL_GET_QUALIFIER(handle, entry_d);
 356 }
 357
 358 static SMB_ACL_T skel_sys_acl_get_file(vfs_handle_struct *handle,  const char *path_p, SMB_ACL_TYPE_T type)
 359 {
 360         return SMB_VFS_NEXT_SYS_ACL_GET_FILE(handle, path_p, type);
 361 }
 362
 363 static SMB_ACL_T skel_sys_acl_get_fd(vfs_handle_struct *handle, files_struct *fsp)
 364 {
 365         return SMB_VFS_NEXT_SYS_ACL_GET_FD(handle, fsp);
 366 }
 367
 368 static int skel_sys_acl_clear_perms(vfs_handle_struct *handle,  SMB_ACL_PERMSET_T permset)
 369 {
 370         return SMB_VFS_NEXT_SYS_ACL_CLEAR_PERMS(handle, permset);
 371 }
 372
 373 static int skel_sys_acl_add_perm(vfs_handle_struct *handle,  SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
 374 {
 375         return SMB_VFS_NEXT_SYS_ACL_ADD_PERM(handle, permset, perm);
 376 }
 377
 378 static char *skel_sys_acl_to_text(vfs_handle_struct *handle,  SMB_ACL_T theacl, ssize_t *plen)
 379 {
 380         return SMB_VFS_NEXT_SYS_ACL_TO_TEXT(handle, theacl, plen);
 381 }
 382
 383 static SMB_ACL_T skel_sys_acl_init(vfs_handle_struct *handle,  int count)
 384 {
 385         return SMB_VFS_NEXT_SYS_ACL_INIT(handle, count);
 386 }
 387
 388 static int skel_sys_acl_create_entry(vfs_handle_struct *handle,  SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
 389 {
 390         return SMB_VFS_NEXT_SYS_ACL_CREATE_ENTRY(handle, pacl, pentry);
 391 }
 392
 393 static int skel_sys_acl_set_tag_type(vfs_handle_struct *handle,  SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype)
 394 {
 395         return SMB_VFS_NEXT_SYS_ACL_SET_TAG_TYPE(handle, entry, tagtype);
 396 }
 397
 398 static int skel_sys_acl_set_qualifier(vfs_handle_struct *handle,  SMB_ACL_ENTRY_T entry, void *qual)
 399 {
 400         return SMB_VFS_NEXT_SYS_ACL_SET_QUALIFIER(handle, entry, qual);
 401 }
 402
 403 static int skel_sys_acl_set_permset(vfs_handle_struct *handle,  SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset)
 404 {
 405         return SMB_VFS_NEXT_SYS_ACL_SET_PERMSET(handle, entry, permset);
 406 }
 407
 408 static int skel_sys_acl_valid(vfs_handle_struct *handle,  SMB_ACL_T theacl )
 409 {
 410         return SMB_VFS_NEXT_SYS_ACL_VALID(handle, theacl);
 411 }
 412
 413 static int skel_sys_acl_set_file(vfs_handle_struct *handle,  const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
 414 {
 415         return SMB_VFS_NEXT_SYS_ACL_SET_FILE(handle, name, acltype, theacl);
 416 }
 417
 418 static int skel_sys_acl_set_fd(vfs_handle_struct *handle, files_struct *fsp, SMB_ACL_T theacl)
 419 {
 420         return SMB_VFS_NEXT_SYS_ACL_SET_FD(handle, fsp, theacl);
 421 }
 422
 423 static int skel_sys_acl_delete_def_file(vfs_handle_struct *handle,  const char *path)
 424 {
 425         return SMB_VFS_NEXT_SYS_ACL_DELETE_DEF_FILE(handle, path);
 426 }
 427
 428 static int skel_sys_acl_get_perm(vfs_handle_struct *handle,  SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
 429 {
 430         return SMB_VFS_NEXT_SYS_ACL_GET_PERM(handle, permset, perm);
 431 }
 432
 433 static int skel_sys_acl_free_text(vfs_handle_struct *handle,  char *text)
 434 {
 435         return SMB_VFS_NEXT_SYS_ACL_FREE_TEXT(handle, text);
 436 }
 437
 438 static int skel_sys_acl_free_acl(vfs_handle_struct *handle,  SMB_ACL_T posix_acl)
 439 {
 440         return SMB_VFS_NEXT_SYS_ACL_FREE_ACL(handle, posix_acl);
 441 }
 442
 443 static int skel_sys_acl_free_qualifier(vfs_handle_struct *handle,  void *qualifier, SMB_ACL_TAG_T tagtype)
 444 {
 445         return SMB_VFS_NEXT_SYS_ACL_FREE_QUALIFIER(handle, qualifier, tagtype);
 446 }
 447
 448 static ssize_t skel_getxattr(vfs_handle_struct *handle, const char *path, const char *name, void *value, size_t size)
 449 {
 450         return SMB_VFS_NEXT_GETXATTR(handle, path, name, value, size);
 451 }
 452
 453 static ssize_t skel_lgetxattr(vfs_handle_struct *handle, const char *path, const char *name, void *value, size_t
 454 size)
 455 {
 456         return SMB_VFS_NEXT_LGETXATTR(handle, path, name, value, size);
 457 }
 458
 459 static ssize_t skel_fgetxattr(vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size)
 460 {
 461         return SMB_VFS_NEXT_FGETXATTR(handle, fsp, name, value, size);
 462 }
 463
 464 static ssize_t skel_listxattr(vfs_handle_struct *handle, const char *path, char *list, size_t size)
 465 {
 466         return SMB_VFS_NEXT_LISTXATTR(handle, path, list, size);
 467 }
 468
 469 static ssize_t skel_llistxattr(vfs_handle_struct *handle, const char *path, char *list, size_t size)
 470 {
 471         return SMB_VFS_NEXT_LLISTXATTR(handle, path, list, size);
 472 }
 473
 474 static ssize_t skel_flistxattr(vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size)
 475 {
 476         return SMB_VFS_NEXT_FLISTXATTR(handle, fsp, list, size);
 477 }
 478
 479 static int skel_removexattr(vfs_handle_struct *handle, const char *path, const char *name)
 480 {
 481         return SMB_VFS_NEXT_REMOVEXATTR(handle, path, name);
 482 }
 483
 484 static int skel_lremovexattr(vfs_handle_struct *handle, const char *path, const char *name)
 485 {
 486         return SMB_VFS_NEXT_LREMOVEXATTR(handle, path, name);
 487 }
 488
 489 static int skel_fremovexattr(vfs_handle_struct *handle, struct files_struct *fsp, const char *name)
 490 {
 491         return SMB_VFS_NEXT_FREMOVEXATTR(handle, fsp, name);
 492 }
 493
 494 static int skel_setxattr(vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags)
 495 {
 496         return SMB_VFS_NEXT_SETXATTR(handle, path, name, value, size, flags);
 497 }
 498
 499 static int skel_lsetxattr(vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags)
 500 {
 501         return SMB_VFS_NEXT_LSETXATTR(handle, path, name, value, size, flags);
 502 }
 503
 504 static int skel_fsetxattr(vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags)
 505 {
 506         return SMB_VFS_NEXT_FSETXATTR(handle, fsp, name, value, size, flags);
 507 }
 508
 509 static int skel_aio_read(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
 510 {
 511         return SMB_VFS_NEXT_AIO_READ(handle, fsp, aiocb);
 512 }
 513
 514 static int skel_aio_write(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
 515 {
 516         return SMB_VFS_NEXT_AIO_WRITE(handle, fsp, aiocb);
 517 }
 518
 519 static ssize_t skel_aio_return(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
 520 {
 521         return SMB_VFS_NEXT_AIO_RETURN(handle, fsp, aiocb);
 522 }
 523
 524 static int skel_aio_cancel(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
 525 {
 526         return SMB_VFS_NEXT_AIO_CANCEL(handle, fsp, aiocb);
 527 }
 528
 529 static int skel_aio_error(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
 530 {
 531         return SMB_VFS_NEXT_AIO_ERROR(handle, fsp, aiocb);
 532 }
 533
 534 static int skel_aio_fsync(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_STRUCT_AIOCB *aiocb)
 535 {
 536         return SMB_VFS_NEXT_AIO_FSYNC(handle, fsp, op, aiocb);
 537 }
 538
 539 static int skel_aio_suspend(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_AIOCB * const aiocb[], int n, const struct timespec *ts)
 540 {
 541         return SMB_VFS_NEXT_AIO_SUSPEND(handle, fsp, aiocb, n, ts);
 542 }
 543
 544 static bool skel_aio_force(struct vfs_handle_struct *handle, struct files_struct *fsp)
 545 {
 546         return SMB_VFS_NEXT_AIO_FORCE(handle, fsp);
 547 }
 548
 549 static bool skel_is_offline(struct vfs_handle_struct *handle, const char *path, SMB_STRUCT_STAT *sbuf)
 550 {
 551         return SMB_VFS_NEXT_IS_OFFLINE(handle, path, sbuf);
 552 }
 553
 554 static int skel_set_offline(struct vfs_handle_struct *handle, const char *path)
 555 {
 556         return SMB_VFS_NEXT_SET_OFFLINE(handle, path);
 557 }
 558
 559 static bool skel_is_remotestorage(struct vfs_handle_struct *handle, const char *path)
 560 {
 561         return SMB_VFS_NEXT_IS_REMOTESTORAGE(handle, path);
 562 }
 563
 564 /* VFS operations structure */
 565
 566 static vfs_op_tuple skel_op_tuples[] = {
 567
 568         /* Disk operations */
 569
 570         {SMB_VFS_OP(skel_connect),                      SMB_VFS_OP_CONNECT,             SMB_VFS_LAYER_TRANSPARENT},
 571         {SMB_VFS_OP(skel_disconnect),                   SMB_VFS_OP_DISCONNECT,          SMB_VFS_LAYER_TRANSPARENT},
 572         {SMB_VFS_OP(skel_disk_free),                    SMB_VFS_OP_DISK_FREE,           SMB_VFS_LAYER_TRANSPARENT},
 573         {SMB_VFS_OP(skel_get_quota),                    SMB_VFS_OP_GET_QUOTA,           SMB_VFS_LAYER_TRANSPARENT},
 574         {SMB_VFS_OP(skel_set_quota),                    SMB_VFS_OP_SET_QUOTA,           SMB_VFS_LAYER_TRANSPARENT},
 575         {SMB_VFS_OP(skel_get_shadow_copy_data),         SMB_VFS_OP_GET_SHADOW_COPY_DATA,SMB_VFS_LAYER_TRANSPARENT},
 576         {SMB_VFS_OP(skel_statvfs),                      SMB_VFS_OP_STATVFS,             SMB_VFS_LAYER_TRANSPARENT},
 577
 578         /* Directory operations */
 579
 580         {SMB_VFS_OP(skel_opendir),                      SMB_VFS_OP_OPENDIR,             SMB_VFS_LAYER_TRANSPARENT},
 581         {SMB_VFS_OP(skel_readdir),                      SMB_VFS_OP_READDIR,             SMB_VFS_LAYER_TRANSPARENT},
 582         {SMB_VFS_OP(skel_seekdir),                      SMB_VFS_OP_SEEKDIR,             SMB_VFS_LAYER_TRANSPARENT},
 583         {SMB_VFS_OP(skel_telldir),                      SMB_VFS_OP_TELLDIR,             SMB_VFS_LAYER_TRANSPARENT},
 584         {SMB_VFS_OP(skel_rewinddir),                    SMB_VFS_OP_REWINDDIR,           SMB_VFS_LAYER_TRANSPARENT},
 585         {SMB_VFS_OP(skel_mkdir),                        SMB_VFS_OP_MKDIR,               SMB_VFS_LAYER_TRANSPARENT},
 586         {SMB_VFS_OP(skel_rmdir),                        SMB_VFS_OP_RMDIR,               SMB_VFS_LAYER_TRANSPARENT},
 587         {SMB_VFS_OP(skel_closedir),                     SMB_VFS_OP_CLOSEDIR,            SMB_VFS_LAYER_TRANSPARENT},
 588
 589         /* File operations */
 590
 591         {SMB_VFS_OP(skel_open),                         SMB_VFS_OP_OPEN,                SMB_VFS_LAYER_TRANSPARENT},
 592         {SMB_VFS_OP(skel_close),                        SMB_VFS_OP_CLOSE,               SMB_VFS_LAYER_TRANSPARENT},
 593         {SMB_VFS_OP(skel_read),                         SMB_VFS_OP_READ,                SMB_VFS_LAYER_TRANSPARENT},
 594         {SMB_VFS_OP(skel_write),                        SMB_VFS_OP_WRITE,               SMB_VFS_LAYER_TRANSPARENT},
 595         {SMB_VFS_OP(skel_lseek),                        SMB_VFS_OP_LSEEK,               SMB_VFS_LAYER_TRANSPARENT},
 596         {SMB_VFS_OP(skel_sendfile),                     SMB_VFS_OP_SENDFILE,            SMB_VFS_LAYER_TRANSPARENT},
 597         {SMB_VFS_OP(skel_recvfile),                     SMB_VFS_OP_RECVFILE,            SMB_VFS_LAYER_TRANSPARENT},
 598         {SMB_VFS_OP(skel_rename),                       SMB_VFS_OP_RENAME,              SMB_VFS_LAYER_TRANSPARENT},
 599         {SMB_VFS_OP(skel_fsync),                        SMB_VFS_OP_FSYNC,               SMB_VFS_LAYER_TRANSPARENT},
 600         {SMB_VFS_OP(skel_stat),                         SMB_VFS_OP_STAT,                SMB_VFS_LAYER_TRANSPARENT},
 601         {SMB_VFS_OP(skel_fstat),                        SMB_VFS_OP_FSTAT,               SMB_VFS_LAYER_TRANSPARENT},
 602         {SMB_VFS_OP(skel_lstat),                        SMB_VFS_OP_LSTAT,               SMB_VFS_LAYER_TRANSPARENT},
 603         {SMB_VFS_OP(skel_unlink),                       SMB_VFS_OP_UNLINK,              SMB_VFS_LAYER_TRANSPARENT},
 604         {SMB_VFS_OP(skel_chmod),                        SMB_VFS_OP_CHMOD,               SMB_VFS_LAYER_TRANSPARENT},
 605         {SMB_VFS_OP(skel_fchmod),                       SMB_VFS_OP_FCHMOD,              SMB_VFS_LAYER_TRANSPARENT},
 606         {SMB_VFS_OP(skel_chown),                        SMB_VFS_OP_CHOWN,               SMB_VFS_LAYER_TRANSPARENT},
 607         {SMB_VFS_OP(skel_fchown),                       SMB_VFS_OP_FCHOWN,              SMB_VFS_LAYER_TRANSPARENT},
 608         {SMB_VFS_OP(skel_lchown),                       SMB_VFS_OP_LCHOWN,              SMB_VFS_LAYER_TRANSPARENT},
 609         {SMB_VFS_OP(skel_chdir),                        SMB_VFS_OP_CHDIR,               SMB_VFS_LAYER_TRANSPARENT},
 610         {SMB_VFS_OP(skel_getwd),                        SMB_VFS_OP_GETWD,               SMB_VFS_LAYER_TRANSPARENT},
 611         {SMB_VFS_OP(skel_ntimes),                       SMB_VFS_OP_NTIMES,              SMB_VFS_LAYER_TRANSPARENT},
 612         {SMB_VFS_OP(skel_ftruncate),                    SMB_VFS_OP_FTRUNCATE,           SMB_VFS_LAYER_TRANSPARENT},
 613         {SMB_VFS_OP(skel_lock),                         SMB_VFS_OP_LOCK,                SMB_VFS_LAYER_TRANSPARENT},
 614         {SMB_VFS_OP(skel_getlock),                      SMB_VFS_OP_GETLOCK,             SMB_VFS_LAYER_TRANSPARENT},
 615         {SMB_VFS_OP(skel_symlink),                      SMB_VFS_OP_SYMLINK,             SMB_VFS_LAYER_TRANSPARENT},
 616         {SMB_VFS_OP(skel_readlink),                     SMB_VFS_OP_READLINK,            SMB_VFS_LAYER_TRANSPARENT},
 617         {SMB_VFS_OP(skel_link),                         SMB_VFS_OP_LINK,                SMB_VFS_LAYER_TRANSPARENT},
 618         {SMB_VFS_OP(skel_mknod),                        SMB_VFS_OP_MKNOD,               SMB_VFS_LAYER_TRANSPARENT},
 619         {SMB_VFS_OP(skel_realpath),                     SMB_VFS_OP_REALPATH,            SMB_VFS_LAYER_TRANSPARENT},
 620         {SMB_VFS_OP(skel_notify_watch),                 SMB_VFS_OP_NOTIFY_WATCH,        SMB_VFS_LAYER_TRANSPARENT},
 621         {SMB_VFS_OP(skel_chflags),                      SMB_VFS_OP_CHFLAGS,             SMB_VFS_LAYER_TRANSPARENT},
 622         {SMB_VFS_OP(skel_file_id_create),               SMB_VFS_OP_FILE_ID_CREATE,      SMB_VFS_LAYER_TRANSPARENT},
 623
 624         /* NT File ACL operations */
 625
 626         {SMB_VFS_OP(skel_fget_nt_acl),                  SMB_VFS_OP_FGET_NT_ACL,         SMB_VFS_LAYER_TRANSPARENT},
 627         {SMB_VFS_OP(skel_get_nt_acl),                   SMB_VFS_OP_GET_NT_ACL,          SMB_VFS_LAYER_TRANSPARENT},
 628         {SMB_VFS_OP(skel_fset_nt_acl),                  SMB_VFS_OP_FSET_NT_ACL,         SMB_VFS_LAYER_TRANSPARENT},
 629
 630         /* POSIX ACL operations */
 631
 632         {SMB_VFS_OP(skel_chmod_acl),                    SMB_VFS_OP_CHMOD_ACL,           SMB_VFS_LAYER_TRANSPARENT},
 633         {SMB_VFS_OP(skel_fchmod_acl),                   SMB_VFS_OP_FCHMOD_ACL,          SMB_VFS_LAYER_TRANSPARENT},
 634
 635         {SMB_VFS_OP(skel_sys_acl_get_entry),            SMB_VFS_OP_SYS_ACL_GET_ENTRY,           SMB_VFS_LAYER_TRANSPARENT},
 636         {SMB_VFS_OP(skel_sys_acl_get_tag_type),         SMB_VFS_OP_SYS_ACL_GET_TAG_TYPE,        SMB_VFS_LAYER_TRANSPARENT},
 637         {SMB_VFS_OP(skel_sys_acl_get_permset),          SMB_VFS_OP_SYS_ACL_GET_PERMSET,         SMB_VFS_LAYER_TRANSPARENT},
 638         {SMB_VFS_OP(skel_sys_acl_get_qualifier),        SMB_VFS_OP_SYS_ACL_GET_QUALIFIER,       SMB_VFS_LAYER_TRANSPARENT},
 639         {SMB_VFS_OP(skel_sys_acl_get_file),             SMB_VFS_OP_SYS_ACL_GET_FILE,            SMB_VFS_LAYER_TRANSPARENT},
 640         {SMB_VFS_OP(skel_sys_acl_get_fd),               SMB_VFS_OP_SYS_ACL_GET_FD,              SMB_VFS_LAYER_TRANSPARENT},
 641         {SMB_VFS_OP(skel_sys_acl_clear_perms),          SMB_VFS_OP_SYS_ACL_CLEAR_PERMS,         SMB_VFS_LAYER_TRANSPARENT},
 642         {SMB_VFS_OP(skel_sys_acl_add_perm),             SMB_VFS_OP_SYS_ACL_ADD_PERM,            SMB_VFS_LAYER_TRANSPARENT},
 643         {SMB_VFS_OP(skel_sys_acl_to_text),              SMB_VFS_OP_SYS_ACL_TO_TEXT,             SMB_VFS_LAYER_TRANSPARENT},
 644         {SMB_VFS_OP(skel_sys_acl_init),                 SMB_VFS_OP_SYS_ACL_INIT,                SMB_VFS_LAYER_TRANSPARENT},
 645         {SMB_VFS_OP(skel_sys_acl_create_entry),         SMB_VFS_OP_SYS_ACL_CREATE_ENTRY,        SMB_VFS_LAYER_TRANSPARENT},
 646         {SMB_VFS_OP(skel_sys_acl_set_tag_type),         SMB_VFS_OP_SYS_ACL_SET_TAG_TYPE,        SMB_VFS_LAYER_TRANSPARENT},
 647         {SMB_VFS_OP(skel_sys_acl_set_qualifier),        SMB_VFS_OP_SYS_ACL_SET_QUALIFIER,       SMB_VFS_LAYER_TRANSPARENT},
 648         {SMB_VFS_OP(skel_sys_acl_set_permset),          SMB_VFS_OP_SYS_ACL_SET_PERMSET,         SMB_VFS_LAYER_TRANSPARENT},
 649         {SMB_VFS_OP(skel_sys_acl_valid),                SMB_VFS_OP_SYS_ACL_VALID,               SMB_VFS_LAYER_TRANSPARENT},
 650         {SMB_VFS_OP(skel_sys_acl_set_file),             SMB_VFS_OP_SYS_ACL_SET_FILE,            SMB_VFS_LAYER_TRANSPARENT},
 651         {SMB_VFS_OP(skel_sys_acl_set_fd),               SMB_VFS_OP_SYS_ACL_SET_FD,              SMB_VFS_LAYER_TRANSPARENT},
 652         {SMB_VFS_OP(skel_sys_acl_delete_def_file),      SMB_VFS_OP_SYS_ACL_DELETE_DEF_FILE,     SMB_VFS_LAYER_TRANSPARENT},
 653         {SMB_VFS_OP(skel_sys_acl_get_perm),             SMB_VFS_OP_SYS_ACL_GET_PERM,            SMB_VFS_LAYER_TRANSPARENT},
 654         {SMB_VFS_OP(skel_sys_acl_free_text),            SMB_VFS_OP_SYS_ACL_FREE_TEXT,           SMB_VFS_LAYER_TRANSPARENT},
 655         {SMB_VFS_OP(skel_sys_acl_free_acl),             SMB_VFS_OP_SYS_ACL_FREE_ACL,            SMB_VFS_LAYER_TRANSPARENT},
 656         {SMB_VFS_OP(skel_sys_acl_free_qualifier),       SMB_VFS_OP_SYS_ACL_FREE_QUALIFIER,      SMB_VFS_LAYER_TRANSPARENT},
 657
 658         /* EA operations. */
 659         {SMB_VFS_OP(skel_getxattr),                     SMB_VFS_OP_GETXATTR,                    SMB_VFS_LAYER_TRANSPARENT},
 660         {SMB_VFS_OP(skel_lgetxattr),                    SMB_VFS_OP_LGETXATTR,                   SMB_VFS_LAYER_TRANSPARENT},
 661         {SMB_VFS_OP(skel_fgetxattr),                    SMB_VFS_OP_FGETXATTR,                   SMB_VFS_LAYER_TRANSPARENT},
 662         {SMB_VFS_OP(skel_listxattr),                    SMB_VFS_OP_LISTXATTR,                   SMB_VFS_LAYER_TRANSPARENT},
 663         {SMB_VFS_OP(skel_llistxattr),                   SMB_VFS_OP_LLISTXATTR,                  SMB_VFS_LAYER_TRANSPARENT},
 664         {SMB_VFS_OP(skel_flistxattr),                   SMB_VFS_OP_FLISTXATTR,                  SMB_VFS_LAYER_TRANSPARENT},
 665         {SMB_VFS_OP(skel_removexattr),                  SMB_VFS_OP_REMOVEXATTR,                 SMB_VFS_LAYER_TRANSPARENT},
 666         {SMB_VFS_OP(skel_lremovexattr),                 SMB_VFS_OP_LREMOVEXATTR,                SMB_VFS_LAYER_TRANSPARENT},
 667         {SMB_VFS_OP(skel_fremovexattr),                 SMB_VFS_OP_FREMOVEXATTR,                SMB_VFS_LAYER_TRANSPARENT},
 668         {SMB_VFS_OP(skel_setxattr),                     SMB_VFS_OP_SETXATTR,                    SMB_VFS_LAYER_TRANSPARENT},
 669         {SMB_VFS_OP(skel_lsetxattr),                    SMB_VFS_OP_LSETXATTR,                   SMB_VFS_LAYER_TRANSPARENT},
 670         {SMB_VFS_OP(skel_fsetxattr),                    SMB_VFS_OP_FSETXATTR,                   SMB_VFS_LAYER_TRANSPARENT},
 671
 672         /* AIO operations. */
 673         {SMB_VFS_OP(skel_aio_read),                     SMB_VFS_OP_AIO_READ,                    SMB_VFS_LAYER_TRANSPARENT},
 674         {SMB_VFS_OP(skel_aio_write),                    SMB_VFS_OP_AIO_WRITE,                   SMB_VFS_LAYER_TRANSPARENT},
 675         {SMB_VFS_OP(skel_aio_return),                   SMB_VFS_OP_AIO_RETURN,                  SMB_VFS_LAYER_TRANSPARENT},
 676         {SMB_VFS_OP(skel_aio_cancel),                   SMB_VFS_OP_AIO_CANCEL,                  SMB_VFS_LAYER_TRANSPARENT},
 677         {SMB_VFS_OP(skel_aio_error),                    SMB_VFS_OP_AIO_ERROR,                   SMB_VFS_LAYER_TRANSPARENT},
 678         {SMB_VFS_OP(skel_aio_fsync),                    SMB_VFS_OP_AIO_FSYNC,                   SMB_VFS_LAYER_TRANSPARENT},
 679         {SMB_VFS_OP(skel_aio_suspend),                  SMB_VFS_OP_AIO_SUSPEND,                 SMB_VFS_LAYER_TRANSPARENT},
 680         {SMB_VFS_OP(skel_aio_force),                    SMB_VFS_OP_AIO_FORCE,                   SMB_VFS_LAYER_TRANSPARENT},
 681
 682         /* offline operations */
 683         {SMB_VFS_OP(skel_is_offline),                   SMB_VFS_OP_IS_OFFLINE,                  SMB_VFS_LAYER_TRANSPARENT},
 684         {SMB_VFS_OP(skel_set_offline),                  SMB_VFS_OP_SET_OFFLINE,                 SMB_VFS_LAYER_TRANSPARENT},
 685
 686         {NULL,                                          SMB_VFS_OP_NOOP,                        SMB_VFS_LAYER_NOOP}
 687 };
 688
 689 NTSTATUS init_module(void)
 690 {
 691         return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "skel_transparent", skel_op_tuples);
 692 }