2 * Skeleton VFS module. Implements passthrough operation of all VFS
3 * calls to disk functions.
5 * Copyright (C) Tim Potter, 1999-2000
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
41 extern struct vfs_ops default_vfs_ops; /* For passthrough operation */
42 extern struct vfs_ops skel_ops;
44 static int skel_connect(struct connection_struct *conn, const char *service, const char *user)
46 return default_vfs_ops.connect(conn, service, user);
49 static void skel_disconnect(struct connection_struct *conn)
51 default_vfs_ops.disconnect(conn);
54 static SMB_BIG_UINT skel_disk_free(struct connection_struct *conn, const char *path,
55 BOOL small_query, SMB_BIG_UINT *bsize,
56 SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize)
58 return default_vfs_ops.disk_free(conn, path, small_query, bsize,
62 static DIR *skel_opendir(struct connection_struct *conn, const char *fname)
64 return default_vfs_ops.opendir(conn, fname);
67 static struct dirent *skel_readdir(struct connection_struct *conn, DIR *dirp)
69 return default_vfs_ops.readdir(conn, dirp);
72 static int skel_mkdir(struct connection_struct *conn, const char *path, mode_t mode)
74 return default_vfs_ops.mkdir(conn, path, mode);
77 static int skel_rmdir(struct connection_struct *conn, const char *path)
79 return default_vfs_ops.rmdir(conn, path);
82 static int skel_closedir(struct connection_struct *conn, DIR *dir)
84 return default_vfs_ops.closedir(conn, dir);
87 static int skel_open(struct connection_struct *conn, const char *fname, int flags, mode_t mode)
89 return default_vfs_ops.open(conn, fname, flags, mode);
92 static int skel_close(struct files_struct *fsp, int fd)
94 return default_vfs_ops.close(fsp, fd);
97 static ssize_t skel_read(struct files_struct *fsp, int fd, void *data, size_t n)
99 return default_vfs_ops.read(fsp, fd, data, n);
102 static ssize_t skel_write(struct files_struct *fsp, int fd, const void *data, size_t n)
104 return default_vfs_ops.write(fsp, fd, data, n);
107 static SMB_OFF_T skel_lseek(struct files_struct *fsp, int filedes, SMB_OFF_T offset, int whence)
109 return default_vfs_ops.lseek(fsp, filedes, offset, whence);
112 static int skel_rename(struct connection_struct *conn, const char *old, const char *new)
114 return default_vfs_ops.rename(conn, old, new);
117 static int skel_fsync(struct files_struct *fsp, int fd)
119 return default_vfs_ops.fsync(fsp, fd);
122 static int skel_stat(struct connection_struct *conn, const char *fname, SMB_STRUCT_STAT *sbuf)
124 return default_vfs_ops.stat(conn, fname, sbuf);
127 static int skel_fstat(struct files_struct *fsp, int fd, SMB_STRUCT_STAT *sbuf)
129 return default_vfs_ops.fstat(fsp, fd, sbuf);
132 static int skel_lstat(struct connection_struct *conn, const char *path, SMB_STRUCT_STAT *sbuf)
134 return default_vfs_ops.lstat(conn, path, sbuf);
137 static int skel_unlink(struct connection_struct *conn, const char *path)
139 return default_vfs_ops.unlink(conn, path);
142 static int skel_chmod(struct connection_struct *conn, const char *path, mode_t mode)
144 return default_vfs_ops.chmod(conn, path, mode);
147 static int skel_fchmod(struct files_struct *fsp, int fd, mode_t mode)
149 return default_vfs_ops.fchmod(fsp, fd, mode);
152 static int skel_chown(struct connection_struct *conn, const char *path, uid_t uid, gid_t gid)
154 return default_vfs_ops.chown(conn, path, uid, gid);
157 static int skel_fchown(struct files_struct *fsp, int fd, uid_t uid, gid_t gid)
159 return default_vfs_ops.fchown(fsp, fd, uid, gid);
162 static int skel_chdir(struct connection_struct *conn, const char *path)
164 return default_vfs_ops.chdir(conn, path);
167 static char *skel_getwd(struct connection_struct *conn, char *buf)
169 return default_vfs_ops.getwd(conn, buf);
172 static int skel_utime(struct connection_struct *conn, const char *path, struct utimbuf *times)
174 return default_vfs_ops.utime(conn, path, times);
177 static int skel_ftruncate(struct files_struct *fsp, int fd, SMB_OFF_T offset)
179 return default_vfs_ops.ftruncate(fsp, fd, offset);
182 static BOOL skel_lock(struct files_struct *fsp, int fd, int op, SMB_OFF_T offset, SMB_OFF_T count, int type)
184 return default_vfs_ops.lock(fsp, fd, op, offset, count, type);
187 static BOOL skel_symlink(struct connection_struct *conn, const char *oldpath, const char *newpath)
189 return default_vfs_ops.symlink(conn, oldpath, newpath);
192 static BOOL skel_readlink(struct connection_struct *conn, const char *path, char *buf, size_t bufsiz)
194 return default_vfs_ops.readlink(conn, path, buf, bufsiz);
197 static int skel_link(struct connection_struct *conn, const char *oldpath, const char *newpath)
199 return default_vfs_ops.link(conn, oldpath, newpath);
202 static int skel_mknod(struct connection_struct *conn, const char *path, mode_t mode, SMB_DEV_T dev)
204 return default_vfs_ops.mknod(conn, path, mode, dev);
207 static char *skel_realpath(struct connection_struct *conn, const char *path, char *resolved_path)
209 return default_vfs_ops.realpath(conn, path, resolved_path);
212 static size_t skel_fget_nt_acl(struct files_struct *fsp, int fd, struct security_descriptor_info **ppdesc)
214 return default_vfs_ops.fget_nt_acl(fsp, fd, ppdesc);
217 static size_t skel_get_nt_acl(struct files_struct *fsp, const char *name, struct security_descriptor_info **ppdesc)
219 return default_vfs_ops.get_nt_acl(fsp, name, ppdesc);
222 static BOOL skel_fset_nt_acl(struct files_struct *fsp, int fd, uint32 security_info_sent, struct security_descriptor_info *psd)
224 return default_vfs_ops.fset_nt_acl(fsp, fd, security_info_sent, psd);
227 static BOOL skel_set_nt_acl(struct files_struct *fsp, const char *name, uint32 security_info_sent, struct security_descriptor_info *psd)
229 return default_vfs_ops.set_nt_acl(fsp, name, security_info_sent, psd);
232 static BOOL skel_chmod_acl(struct connection_struct *conn, const char *name, mode_t mode)
234 return default_vfs_ops.chmod_acl(conn, name, mode);
237 static BOOL skel_fchmod_acl(struct files_struct *fsp, int fd, mode_t mode)
239 return default_vfs_ops.fchmod_acl(fsp, fd, mode);
242 static int skel_sys_acl_get_entry(struct connection_struct *conn, SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p)
244 return default_vfs_ops.sys_acl_get_entry(conn, theacl, entry_id, entry_p);
247 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)
249 return default_vfs_ops.sys_acl_get_tag_type(conn, entry_d, tag_type_p);
252 static int skel_sys_acl_get_permset(struct connection_struct *conn, SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p)
254 return default_vfs_ops.sys_acl_get_permset(conn, entry_d, permset_p);
257 static void *skel_sys_acl_get_qualifier(struct connection_struct *conn, SMB_ACL_ENTRY_T entry_d)
259 return default_vfs_ops.sys_acl_get_qualifier(conn, entry_d);
262 static SMB_ACL_T skel_sys_acl_get_file(struct connection_struct *conn, const char *path_p, SMB_ACL_TYPE_T type)
264 return default_vfs_ops.sys_acl_get_file(conn, path_p, type);
267 static SMB_ACL_T skel_sys_acl_get_fd(struct files_struct *fsp, int fd)
269 return default_vfs_ops.sys_acl_get_fd(fsp, fd);
272 static int skel_sys_acl_clear_perms(struct connection_struct *conn, SMB_ACL_PERMSET_T permset)
274 return default_vfs_ops.sys_acl_clear_perms(conn, permset);
277 static int skel_sys_acl_add_perm(struct connection_struct *conn, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
279 return default_vfs_ops.sys_acl_add_perm(conn, permset, perm);
282 static char *skel_sys_acl_to_text(struct connection_struct *conn, SMB_ACL_T theacl, ssize_t *plen)
284 return default_vfs_ops.sys_acl_to_text(conn, theacl, plen);
287 static SMB_ACL_T skel_sys_acl_init(struct connection_struct *conn, int count)
289 return default_vfs_ops.sys_acl_init(conn, count);
292 static int skel_sys_acl_create_entry(struct connection_struct *conn, SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
294 return default_vfs_ops.sys_acl_create_entry(conn, pacl, pentry);
297 static int skel_sys_acl_set_tag_type(struct connection_struct *conn, SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype)
299 return default_vfs_ops.sys_acl_set_tag_type(conn, entry, tagtype);
302 static int skel_sys_acl_set_qualifier(struct connection_struct *conn, SMB_ACL_ENTRY_T entry, void *qual)
304 return default_vfs_ops.sys_acl_set_qualifier(conn, entry, qual);
307 static int skel_sys_acl_set_permset(struct connection_struct *conn, SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset)
309 return default_vfs_ops.sys_acl_set_permset(conn, entry, permset);
312 static int skel_sys_acl_valid(struct connection_struct *conn, SMB_ACL_T theacl )
314 return default_vfs_ops.sys_acl_valid(conn, theacl );
317 static int skel_sys_acl_set_file(struct connection_struct *conn, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
319 return default_vfs_ops.sys_acl_set_file(conn, name, acltype, theacl);
322 static int skel_sys_acl_set_fd(struct files_struct *fsp, int fd, SMB_ACL_T theacl)
324 return default_vfs_ops.sys_acl_set_fd(fsp, fd, theacl);
327 static int skel_sys_acl_delete_def_file(struct connection_struct *conn, const char *path)
329 return default_vfs_ops.sys_acl_delete_def_file(conn, path);
332 static int skel_sys_acl_get_perm(struct connection_struct *conn, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
334 return default_vfs_ops.sys_acl_get_perm(conn, permset, perm);
337 static int skel_sys_acl_free_text(struct connection_struct *conn, char *text)
339 return default_vfs_ops.sys_acl_free_text(conn, text);
342 static int skel_sys_acl_free_acl(struct connection_struct *conn, SMB_ACL_T posix_acl)
344 return default_vfs_ops.sys_acl_free_acl(conn, posix_acl);
347 static int skel_sys_acl_free_qualifier(struct connection_struct *conn, void *qualifier, SMB_ACL_TAG_T tagtype)
349 return default_vfs_ops.sys_acl_free_qualifier(conn, qualifier, tagtype);
352 /* VFS initialisation - return vfs_ops function pointer structure */
354 struct vfs_ops *vfs_init(int *vfs_version, struct vfs_ops *def_vfs_ops)
356 struct vfs_ops tmp_ops;
358 DEBUG(3, ("Initialising default vfs hooks\n"));
360 *vfs_version = SMB_VFS_INTERFACE_VERSION;
361 memcpy(&tmp_ops, def_vfs_ops, sizeof(struct vfs_ops));
363 tmp_ops.connect = skel_connect;
364 tmp_ops.disconnect = skel_disconnect;
365 tmp_ops.disk_free = skel_disk_free;
367 /* Directory operations */
369 tmp_ops.opendir = skel_opendir;
370 tmp_ops.readdir = skel_readdir;
371 tmp_ops.mkdir = skel_mkdir;
372 tmp_ops.rmdir = skel_rmdir;
373 tmp_ops.closedir = skel_closedir;
375 /* File operations */
377 tmp_ops.open = skel_open;
378 tmp_ops.close = skel_close;
379 tmp_ops.read = skel_read;
380 tmp_ops.write = skel_write;
381 tmp_ops.lseek = skel_lseek;
382 tmp_ops.rename = skel_rename;
383 tmp_ops.fsync = skel_fsync;
384 tmp_ops.stat = skel_stat;
385 tmp_ops.fstat = skel_fstat;
386 tmp_ops.lstat = skel_lstat;
387 tmp_ops.unlink = skel_unlink;
388 tmp_ops.chmod = skel_chmod;
389 tmp_ops.fchmod = skel_fchmod;
390 tmp_ops.chown = skel_chown;
391 tmp_ops.fchown = skel_fchown;
392 tmp_ops.chdir = skel_chdir;
393 tmp_ops.getwd = skel_getwd;
394 tmp_ops.utime = skel_utime;
395 tmp_ops.ftruncate = skel_ftruncate;
396 tmp_ops.lock = skel_lock;
397 tmp_ops.symlink = skel_symlink;
398 tmp_ops.readlink = skel_readlink;
399 tmp_ops.link = skel_link;
400 tmp_ops.mknod = skel_mknod;
401 tmp_ops.realpath = skel_realpath;
403 tmp_ops.fget_nt_acl = skel_fget_nt_acl;
404 tmp_ops.get_nt_acl = skel_get_nt_acl;
405 tmp_ops.fset_nt_acl = skel_fset_nt_acl;
406 tmp_ops.set_nt_acl = skel_set_nt_acl;
408 /* POSIX ACL operations. */
410 tmp_ops.chmod_acl = skel_chmod_acl;
411 tmp_ops.fchmod_acl = skel_fchmod_acl;
412 tmp_ops.sys_acl_get_entry = skel_sys_acl_get_entry;
413 tmp_ops.sys_acl_get_tag_type = skel_sys_acl_get_tag_type;
414 tmp_ops.sys_acl_get_permset = skel_sys_acl_get_permset;
415 tmp_ops.sys_acl_get_qualifier = skel_sys_acl_get_qualifier;
416 tmp_ops.sys_acl_get_file = skel_sys_acl_get_file;
417 tmp_ops.sys_acl_get_fd = skel_sys_acl_get_fd;
418 tmp_ops.sys_acl_clear_perms = skel_sys_acl_clear_perms;
419 tmp_ops.sys_acl_add_perm = skel_sys_acl_add_perm;
420 tmp_ops.sys_acl_to_text = skel_sys_acl_to_text;
421 tmp_ops.sys_acl_init = skel_sys_acl_init;
422 tmp_ops.sys_acl_create_entry = skel_sys_acl_create_entry;
423 tmp_ops.sys_acl_set_tag_type = skel_sys_acl_set_tag_type;
424 tmp_ops.sys_acl_set_qualifier = skel_sys_acl_set_qualifier;
425 tmp_ops.sys_acl_set_permset = skel_sys_acl_set_permset;
426 tmp_ops.sys_acl_valid = skel_sys_acl_valid;
427 tmp_ops.sys_acl_set_file = skel_sys_acl_set_file;
428 tmp_ops.sys_acl_set_fd = skel_sys_acl_set_fd;
429 tmp_ops.sys_acl_delete_def_file = skel_sys_acl_delete_def_file;
430 tmp_ops.sys_acl_get_perm = skel_sys_acl_get_perm;
431 tmp_ops.sys_acl_free_text = skel_sys_acl_free_text;
432 tmp_ops.sys_acl_free_acl = skel_sys_acl_free_acl;
433 tmp_ops.sys_acl_free_qualifier = skel_sys_acl_free_qualifier;
435 memcpy(&skel_ops, &tmp_ops, sizeof(struct vfs_ops));
440 /* VFS operations structure */
442 struct vfs_ops skel_ops = {
444 /* Disk operations */
450 /* Directory operations */
458 /* File operations */
486 /* NT File ACL operations */
493 /* POSIX ACL operations */
498 skel_sys_acl_get_entry,
499 skel_sys_acl_get_tag_type,
500 skel_sys_acl_get_permset,
501 skel_sys_acl_get_qualifier,
502 skel_sys_acl_get_file,
504 skel_sys_acl_clear_perms,
505 skel_sys_acl_add_perm,
506 skel_sys_acl_to_text,
508 skel_sys_acl_create_entry,
509 skel_sys_acl_set_tag_type,
510 skel_sys_acl_set_qualifier,
511 skel_sys_acl_set_permset,
513 skel_sys_acl_set_file,
515 skel_sys_acl_delete_def_file,
516 skel_sys_acl_get_perm,
517 skel_sys_acl_free_text,
518 skel_sys_acl_free_acl,
519 skel_sys_acl_free_qualifier