examples/VFS/skel.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  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  */
  22
  23 #include "config.h"
  24
  25 #include <stdio.h>
  26 #include <sys/stat.h>
  27 #ifdef HAVE_UTIME_H
  28 #include <utime.h>
  29 #endif
  30 #ifdef HAVE_DIRENT_H
  31 #include <dirent.h>
  32 #endif
  33 #ifdef HAVE_FCNTL_H
  34 #include <fcntl.h>
  35 #endif
  36 #include <errno.h>
  37 #include <string.h>
  38
  39 #include <includes.h>
  40 #include <vfs.h>
  41
  42 static struct vfs_ops default_vfs_ops;   /* For passthrough operation */
  43 static struct smb_vfs_handle_struct *skel_handle; /* use skel_handle->data for storing per-instance private data */
  44
  45 static int skel_connect(struct connection_struct *conn, const char *service, const char *user)
  46 {
  47         return default_vfs_ops.connect(conn, service, user);
  48 }
  49
  50 static void skel_disconnect(struct connection_struct *conn)
  51 {
  52         default_vfs_ops.disconnect(conn);
  53 }
  54
  55 static SMB_BIG_UINT skel_disk_free(struct connection_struct *conn, const char *path,
  56         BOOL small_query, SMB_BIG_UINT *bsize,
  57         SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize)
  58 {
  59         return default_vfs_ops.disk_free(conn, path, small_query, bsize,
  60                                          dfree, dsize);
  61 }
  62
  63 static DIR *skel_opendir(struct connection_struct *conn, const char *fname)
  64 {
  65         return default_vfs_ops.opendir(conn, fname);
  66 }
  67
  68 static struct dirent *skel_readdir(struct connection_struct *conn, DIR *dirp)
  69 {
  70         return default_vfs_ops.readdir(conn, dirp);
  71 }
  72
  73 static int skel_mkdir(struct connection_struct *conn, const char *path, mode_t mode)
  74 {
  75         return default_vfs_ops.mkdir(conn, path, mode);
  76 }
  77
  78 static int skel_rmdir(struct connection_struct *conn, const char *path)
  79 {
  80         return default_vfs_ops.rmdir(conn, path);
  81 }
  82
  83 static int skel_closedir(struct connection_struct *conn, DIR *dir)
  84 {
  85         return default_vfs_ops.closedir(conn, dir);
  86 }
  87
  88 static int skel_open(struct connection_struct *conn, const char *fname, int flags, mode_t mode)
  89 {
  90         return default_vfs_ops.open(conn, fname, flags, mode);
  91 }
  92
  93 static int skel_close(struct files_struct *fsp, int fd)
  94 {
  95         return default_vfs_ops.close(fsp, fd);
  96 }
  97
  98 static ssize_t skel_read(struct files_struct *fsp, int fd, void *data, size_t n)
  99 {
 100         return default_vfs_ops.read(fsp, fd, data, n);
 101 }
 102
 103 static ssize_t skel_write(struct files_struct *fsp, int fd, const void *data, size_t n)
 104 {
 105         return default_vfs_ops.write(fsp, fd, data, n);
 106 }
 107
 108 static SMB_OFF_T skel_lseek(struct files_struct *fsp, int filedes, SMB_OFF_T offset, int whence)
 109 {
 110         return default_vfs_ops.lseek(fsp, filedes, offset, whence);
 111 }
 112
 113 static int skel_rename(struct connection_struct *conn, const char *old, const char *new)
 114 {
 115         return default_vfs_ops.rename(conn, old, new);
 116 }
 117
 118 static int skel_fsync(struct files_struct *fsp, int fd)
 119 {
 120         return default_vfs_ops.fsync(fsp, fd);
 121 }
 122
 123 static int skel_stat(struct connection_struct *conn, const char *fname, SMB_STRUCT_STAT *sbuf)
 124 {
 125         return default_vfs_ops.stat(conn, fname, sbuf);
 126 }
 127
 128 static int skel_fstat(struct files_struct *fsp, int fd, SMB_STRUCT_STAT *sbuf)
 129 {
 130         return default_vfs_ops.fstat(fsp, fd, sbuf);
 131 }
 132
 133 static int skel_lstat(struct connection_struct *conn, const char *path, SMB_STRUCT_STAT *sbuf)
 134 {
 135         return default_vfs_ops.lstat(conn, path, sbuf);
 136 }
 137
 138 static int skel_unlink(struct connection_struct *conn, const char *path)
 139 {
 140         return default_vfs_ops.unlink(conn, path);
 141 }
 142
 143 static int skel_chmod(struct connection_struct *conn, const char *path, mode_t mode)
 144 {
 145         return default_vfs_ops.chmod(conn, path, mode);
 146 }
 147
 148 static int skel_fchmod(struct files_struct *fsp, int fd, mode_t mode)
 149 {
 150         return default_vfs_ops.fchmod(fsp, fd, mode);
 151 }
 152
 153 static int skel_chown(struct connection_struct *conn, const char *path, uid_t uid, gid_t gid)
 154 {
 155         return default_vfs_ops.chown(conn, path, uid, gid);
 156 }
 157
 158 static int skel_fchown(struct files_struct *fsp, int fd, uid_t uid, gid_t gid)
 159 {
 160         return default_vfs_ops.fchown(fsp, fd, uid, gid);
 161 }
 162
 163 static int skel_chdir(struct connection_struct *conn, const char *path)
 164 {
 165         return default_vfs_ops.chdir(conn, path);
 166 }
 167
 168 static char *skel_getwd(struct connection_struct *conn, char *buf)
 169 {
 170         return default_vfs_ops.getwd(conn, buf);
 171 }
 172
 173 static int skel_utime(struct connection_struct *conn, const char *path, struct utimbuf *times)
 174 {
 175         return default_vfs_ops.utime(conn, path, times);
 176 }
 177
 178 static int skel_ftruncate(struct files_struct *fsp, int fd, SMB_OFF_T offset)
 179 {
 180         return default_vfs_ops.ftruncate(fsp, fd, offset);
 181 }
 182
 183 static BOOL skel_lock(struct files_struct *fsp, int fd, int op, SMB_OFF_T offset, SMB_OFF_T count, int type)
 184 {
 185         return default_vfs_ops.lock(fsp, fd, op, offset, count, type);
 186 }
 187
 188 static BOOL skel_symlink(struct connection_struct *conn, const char *oldpath, const char *newpath)
 189 {
 190         return default_vfs_ops.symlink(conn, oldpath, newpath);
 191 }
 192
 193 static BOOL skel_readlink(struct connection_struct *conn, const char *path, char *buf, size_t bufsiz)
 194 {
 195         return default_vfs_ops.readlink(conn, path, buf, bufsiz);
 196 }
 197
 198 static int skel_link(struct connection_struct *conn, const char *oldpath, const char *newpath)
 199 {
 200         return default_vfs_ops.link(conn, oldpath, newpath);
 201 }
 202
 203 static int skel_mknod(struct connection_struct *conn, const char *path, mode_t mode, SMB_DEV_T dev)
 204 {
 205         return default_vfs_ops.mknod(conn, path, mode, dev);
 206 }
 207
 208 static char *skel_realpath(struct connection_struct *conn, const char *path, char *resolved_path)
 209 {
 210         return default_vfs_ops.realpath(conn, path, resolved_path);
 211 }
 212
 213 static size_t skel_fget_nt_acl(struct files_struct *fsp, int fd, struct security_descriptor_info **ppdesc)
 214 {
 215         return default_vfs_ops.fget_nt_acl(fsp, fd, ppdesc);
 216 }
 217
 218 static size_t skel_get_nt_acl(struct files_struct *fsp, const char *name, struct security_descriptor_info **ppdesc)
 219 {
 220         return default_vfs_ops.get_nt_acl(fsp, name, ppdesc);
 221 }
 222
 223 static BOOL skel_fset_nt_acl(struct files_struct *fsp, int fd, uint32 security_info_sent, struct security_descriptor_info *psd)
 224 {
 225         return default_vfs_ops.fset_nt_acl(fsp, fd, security_info_sent, psd);
 226 }
 227
 228 static BOOL skel_set_nt_acl(struct files_struct *fsp, const char *name, uint32 security_info_sent, struct security_descriptor_info *psd)
 229 {
 230         return default_vfs_ops.set_nt_acl(fsp, name, security_info_sent, psd);
 231 }
 232
 233 static BOOL skel_chmod_acl(struct connection_struct *conn, const char *name, mode_t mode)
 234 {
 235         /* If the underlying VFS doesn't have ACL support... */
 236         if (!default_vfs_ops.chmod_acl) {
 237                 errno = ENOSYS;
 238                 return -1;
 239         }
 240         return default_vfs_ops.chmod_acl(conn, name, mode);
 241 }
 242
 243 static BOOL skel_fchmod_acl(struct files_struct *fsp, int fd, mode_t mode)
 244 {
 245         /* If the underlying VFS doesn't have ACL support... */
 246         if (!default_vfs_ops.fchmod_acl) {
 247                 errno = ENOSYS;
 248                 return -1;
 249         }
 250         return default_vfs_ops.fchmod_acl(fsp, fd, mode);
 251 }
 252
 253 static int skel_sys_acl_get_entry(struct connection_struct *conn, SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p)
 254 {
 255         return default_vfs_ops.sys_acl_get_entry(conn, theacl, entry_id, entry_p);
 256 }
 257
 258 static int skel_sys_acl_get_tag_type(struct connection_struct *conn, SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p)
 259 {
 260         return default_vfs_ops.sys_acl_get_tag_type(conn, entry_d, tag_type_p);
 261 }
 262
 263 static int skel_sys_acl_get_permset(struct connection_struct *conn, SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p)
 264 {
 265         return default_vfs_ops.sys_acl_get_permset(conn, entry_d, permset_p);
 266 }
 267
 268 static void *skel_sys_acl_get_qualifier(struct connection_struct *conn, SMB_ACL_ENTRY_T entry_d)
 269 {
 270         return default_vfs_ops.sys_acl_get_qualifier(conn, entry_d);
 271 }
 272
 273 static SMB_ACL_T skel_sys_acl_get_file(struct connection_struct *conn, const char *path_p, SMB_ACL_TYPE_T type)
 274 {
 275         return default_vfs_ops.sys_acl_get_file(conn, path_p, type);
 276 }
 277
 278 static SMB_ACL_T skel_sys_acl_get_fd(struct files_struct *fsp, int fd)
 279 {
 280         return default_vfs_ops.sys_acl_get_fd(fsp, fd);
 281 }
 282
 283 static int skel_sys_acl_clear_perms(struct connection_struct *conn, SMB_ACL_PERMSET_T permset)
 284 {
 285         return default_vfs_ops.sys_acl_clear_perms(conn, permset);
 286 }
 287
 288 static int skel_sys_acl_add_perm(struct connection_struct *conn, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
 289 {
 290         return default_vfs_ops.sys_acl_add_perm(conn, permset, perm);
 291 }
 292
 293 static char *skel_sys_acl_to_text(struct connection_struct *conn, SMB_ACL_T theacl, ssize_t *plen)
 294 {
 295         return default_vfs_ops.sys_acl_to_text(conn, theacl, plen);
 296 }
 297
 298 static SMB_ACL_T skel_sys_acl_init(struct connection_struct *conn, int count)
 299 {
 300         return default_vfs_ops.sys_acl_init(conn, count);
 301 }
 302
 303 static int skel_sys_acl_create_entry(struct connection_struct *conn, SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
 304 {
 305         return default_vfs_ops.sys_acl_create_entry(conn, pacl, pentry);
 306 }
 307
 308 static int skel_sys_acl_set_tag_type(struct connection_struct *conn, SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype)
 309 {
 310         return default_vfs_ops.sys_acl_set_tag_type(conn, entry, tagtype);
 311 }
 312
 313 static int skel_sys_acl_set_qualifier(struct connection_struct *conn, SMB_ACL_ENTRY_T entry, void *qual)
 314 {
 315         return default_vfs_ops.sys_acl_set_qualifier(conn, entry, qual);
 316 }
 317
 318 static int skel_sys_acl_set_permset(struct connection_struct *conn, SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset)
 319 {
 320         return default_vfs_ops.sys_acl_set_permset(conn, entry, permset);
 321 }
 322
 323 static int skel_sys_acl_valid(struct connection_struct *conn, SMB_ACL_T theacl )
 324 {
 325         return default_vfs_ops.sys_acl_valid(conn, theacl );
 326 }
 327
 328 static int skel_sys_acl_set_file(struct connection_struct *conn, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
 329 {
 330         return default_vfs_ops.sys_acl_set_file(conn, name, acltype, theacl);
 331 }
 332
 333 static int skel_sys_acl_set_fd(struct files_struct *fsp, int fd, SMB_ACL_T theacl)
 334 {
 335         return default_vfs_ops.sys_acl_set_fd(fsp, fd, theacl);
 336 }
 337
 338 static int skel_sys_acl_delete_def_file(struct connection_struct *conn, const char *path)
 339 {
 340         return default_vfs_ops.sys_acl_delete_def_file(conn, path);
 341 }
 342
 343 static int skel_sys_acl_get_perm(struct connection_struct *conn, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
 344 {
 345         return default_vfs_ops.sys_acl_get_perm(conn, permset, perm);
 346 }
 347
 348 static int skel_sys_acl_free_text(struct connection_struct *conn, char *text)
 349 {
 350         return default_vfs_ops.sys_acl_free_text(conn, text);
 351 }
 352
 353 static int skel_sys_acl_free_acl(struct connection_struct *conn, SMB_ACL_T posix_acl)
 354 {
 355         return default_vfs_ops.sys_acl_free_acl(conn, posix_acl);
 356 }
 357
 358 static int skel_sys_acl_free_qualifier(struct connection_struct *conn, void *qualifier, SMB_ACL_TAG_T tagtype)
 359 {
 360         return default_vfs_ops.sys_acl_free_qualifier(conn, qualifier, tagtype);
 361 }
 362
 363
 364 /* VFS operations structure */
 365
 366 static vfs_op_tuple skel_ops[] = {
 367
 368         /* Disk operations */
 369
 370         {skel_connect,                  SMB_VFS_OP_CONNECT,             SMB_VFS_LAYER_TRANSPARENT},
 371         {skel_disconnect,               SMB_VFS_OP_DISCONNECT,          SMB_VFS_LAYER_TRANSPARENT},
 372         {skel_disk_free,                SMB_VFS_OP_DISK_FREE,           SMB_VFS_LAYER_TRANSPARENT},
 373
 374         /* Directory operations */
 375
 376         {skel_opendir,                  SMB_VFS_OP_OPENDIR,             SMB_VFS_LAYER_TRANSPARENT},
 377         {skel_readdir,                  SMB_VFS_OP_READDIR,             SMB_VFS_LAYER_TRANSPARENT},
 378         {skel_mkdir,                    SMB_VFS_OP_MKDIR,               SMB_VFS_LAYER_TRANSPARENT},
 379         {skel_rmdir,                    SMB_VFS_OP_RMDIR,               SMB_VFS_LAYER_TRANSPARENT},
 380         {skel_closedir,                 SMB_VFS_OP_CLOSEDIR,            SMB_VFS_LAYER_TRANSPARENT},
 381
 382         /* File operations */
 383
 384         {skel_open,                     SMB_VFS_OP_OPEN,                SMB_VFS_LAYER_TRANSPARENT},
 385         {skel_close,                    SMB_VFS_OP_CLOSE,               SMB_VFS_LAYER_TRANSPARENT},
 386         {skel_read,                     SMB_VFS_OP_READ,                SMB_VFS_LAYER_TRANSPARENT},
 387         {skel_write,                    SMB_VFS_OP_WRITE,               SMB_VFS_LAYER_TRANSPARENT},
 388         {skel_lseek,                    SMB_VFS_OP_LSEEK,               SMB_VFS_LAYER_TRANSPARENT},
 389         {skel_rename,                   SMB_VFS_OP_RENAME,              SMB_VFS_LAYER_TRANSPARENT},
 390         {skel_fsync,                    SMB_VFS_OP_FSYNC,               SMB_VFS_LAYER_TRANSPARENT},
 391         {skel_stat,                     SMB_VFS_OP_STAT,                SMB_VFS_LAYER_TRANSPARENT},
 392         {skel_fstat,                    SMB_VFS_OP_FSTAT,               SMB_VFS_LAYER_TRANSPARENT},
 393         {skel_lstat,                    SMB_VFS_OP_LSTAT,               SMB_VFS_LAYER_TRANSPARENT},
 394         {skel_unlink,                   SMB_VFS_OP_UNLINK,              SMB_VFS_LAYER_TRANSPARENT},
 395         {skel_chmod,                    SMB_VFS_OP_CHMOD,               SMB_VFS_LAYER_TRANSPARENT},
 396         {skel_fchmod,                   SMB_VFS_OP_FCHMOD,              SMB_VFS_LAYER_TRANSPARENT},
 397         {skel_chown,                    SMB_VFS_OP_CHOWN,               SMB_VFS_LAYER_TRANSPARENT},
 398         {skel_fchown,                   SMB_VFS_OP_FCHOWN,              SMB_VFS_LAYER_TRANSPARENT},
 399         {skel_chdir,                    SMB_VFS_OP_CHDIR,               SMB_VFS_LAYER_TRANSPARENT},
 400         {skel_getwd,                    SMB_VFS_OP_GETWD,               SMB_VFS_LAYER_TRANSPARENT},
 401         {skel_utime,                    SMB_VFS_OP_UTIME,               SMB_VFS_LAYER_TRANSPARENT},
 402         {skel_ftruncate,                SMB_VFS_OP_FTRUNCATE,           SMB_VFS_LAYER_TRANSPARENT},
 403         {skel_lock,                     SMB_VFS_OP_LOCK,                SMB_VFS_LAYER_TRANSPARENT},
 404         {skel_symlink,                  SMB_VFS_OP_SYMLINK,             SMB_VFS_LAYER_TRANSPARENT},
 405         {skel_readlink,                 SMB_VFS_OP_READLINK,            SMB_VFS_LAYER_TRANSPARENT},
 406         {skel_link,                     SMB_VFS_OP_LINK,                SMB_VFS_LAYER_TRANSPARENT},
 407         {skel_mknod,                    SMB_VFS_OP_MKNOD,               SMB_VFS_LAYER_TRANSPARENT},
 408         {skel_realpath,                 SMB_VFS_OP_REALPATH,            SMB_VFS_LAYER_TRANSPARENT},
 409
 410         /* NT File ACL operations */
 411
 412         {skel_fget_nt_acl,              SMB_VFS_OP_FGET_NT_ACL,         SMB_VFS_LAYER_TRANSPARENT},
 413         {skel_get_nt_acl,               SMB_VFS_OP_GET_NT_ACL,          SMB_VFS_LAYER_TRANSPARENT},
 414         {skel_fset_nt_acl,              SMB_VFS_OP_FSET_NT_ACL,         SMB_VFS_LAYER_TRANSPARENT},
 415         {skel_set_nt_acl,               SMB_VFS_OP_SET_NT_ACL,          SMB_VFS_LAYER_TRANSPARENT},
 416
 417         /* POSIX ACL operations */
 418
 419         {skel_chmod_acl,                SMB_VFS_OP_CHMOD_ACL,           SMB_VFS_LAYER_TRANSPARENT},
 420         {skel_fchmod_acl,               SMB_VFS_OP_FCHMOD_ACL,          SMB_VFS_LAYER_TRANSPARENT},
 421
 422         {skel_sys_acl_get_entry,        SMB_VFS_OP_SYS_ACL_GET_ENTRY,           SMB_VFS_LAYER_TRANSPARENT},
 423         {skel_sys_acl_get_tag_type,     SMB_VFS_OP_SYS_ACL_GET_TAG_TYPE,        SMB_VFS_LAYER_TRANSPARENT},
 424         {skel_sys_acl_get_permset,      SMB_VFS_OP_SYS_ACL_GET_PERMSET,         SMB_VFS_LAYER_TRANSPARENT},
 425         {skel_sys_acl_get_qualifier,    SMB_VFS_OP_SYS_ACL_GET_QUALIFIER,       SMB_VFS_LAYER_TRANSPARENT},
 426         {skel_sys_acl_get_file,         SMB_VFS_OP_SYS_ACL_GET_FILE,            SMB_VFS_LAYER_TRANSPARENT},
 427         {skel_sys_acl_get_fd,           SMB_VFS_OP_SYS_ACL_GET_FD,              SMB_VFS_LAYER_TRANSPARENT},
 428         {skel_sys_acl_clear_perms,      SMB_VFS_OP_SYS_ACL_CLEAR_PERMS,         SMB_VFS_LAYER_TRANSPARENT},
 429         {skel_sys_acl_add_perm,         SMB_VFS_OP_SYS_ACL_ADD_PERM,            SMB_VFS_LAYER_TRANSPARENT},
 430         {skel_sys_acl_to_text,          SMB_VFS_OP_SYS_ACL_TO_TEXT,             SMB_VFS_LAYER_TRANSPARENT},
 431         {skel_sys_acl_init,             SMB_VFS_OP_SYS_ACL_INIT,                SMB_VFS_LAYER_TRANSPARENT},
 432         {skel_sys_acl_create_entry,     SMB_VFS_OP_SYS_ACL_CREATE_ENTRY,        SMB_VFS_LAYER_TRANSPARENT},
 433         {skel_sys_acl_set_tag_type,     SMB_VFS_OP_SYS_ACL_SET_TAG_TYPE,        SMB_VFS_LAYER_TRANSPARENT},
 434         {skel_sys_acl_set_qualifier,    SMB_VFS_OP_SYS_ACL_SET_QUALIFIER,       SMB_VFS_LAYER_TRANSPARENT},
 435         {skel_sys_acl_set_permset,      SMB_VFS_OP_SYS_ACL_SET_PERMSET,         SMB_VFS_LAYER_TRANSPARENT},
 436         {skel_sys_acl_valid,            SMB_VFS_OP_SYS_ACL_VALID,               SMB_VFS_LAYER_TRANSPARENT},
 437         {skel_sys_acl_set_file,         SMB_VFS_OP_SYS_ACL_SET_FILE,            SMB_VFS_LAYER_TRANSPARENT},
 438         {skel_sys_acl_set_fd,           SMB_VFS_OP_SYS_ACL_SET_FD,              SMB_VFS_LAYER_TRANSPARENT},
 439         {skel_sys_acl_delete_def_file,  SMB_VFS_OP_SYS_ACL_DELETE_DEF_FILE,     SMB_VFS_LAYER_TRANSPARENT},
 440         {skel_sys_acl_get_perm,         SMB_VFS_OP_SYS_ACL_GET_PERM,            SMB_VFS_LAYER_TRANSPARENT},
 441         {skel_sys_acl_free_text,        SMB_VFS_OP_SYS_ACL_FREE_TEXT,           SMB_VFS_LAYER_TRANSPARENT},
 442         {skel_sys_acl_free_acl,         SMB_VFS_OP_SYS_ACL_FREE_ACL,            SMB_VFS_LAYER_TRANSPARENT},
 443         {skel_sys_acl_free_qualifier,   SMB_VFS_OP_SYS_ACL_FREE_QUALIFIER,      SMB_VFS_LAYER_TRANSPARENT},
 444
 445         {NULL,  SMB_VFS_OP_NOOP,        SMB_VFS_LAYER_NOOP}
 446 };
 447
 448 /* VFS initialisation - return initialized vfs_op_tuple array back to Samba */
 449
 450 static vfs_op_tuple *skel_init(const struct vfs_ops *def_vfs_ops,
 451                         struct smb_vfs_handle_struct *vfs_handle)
 452 {
 453         DEBUG(3, ("Initialising default vfs hooks\n"));
 454
 455         memcpy(&default_vfs_ops, def_vfs_ops, sizeof(struct vfs_ops));
 456
 457         /* Remember vfs_handle for further allocation and referencing of private
 458            information in vfs_handle->data
 459         */
 460         skel_handle = vfs_handle;
 461         return skel_ops;
 462 }
 463
 464 NTSTATUS init_module(void)
 465 {
 466         return smb_register_vfs("skel", skel_init, SMB_VFS_INTERFACE_VERSION);
 467 }