diff options
Diffstat (limited to 'fs/ext2/acl.c')
-rw-r--r-- | fs/ext2/acl.c | 79 |
1 files changed, 25 insertions, 54 deletions
diff --git a/fs/ext2/acl.c b/fs/ext2/acl.c index a63d44256a70..a99e54318c3d 100644 --- a/fs/ext2/acl.c +++ b/fs/ext2/acl.c | |||
@@ -339,12 +339,12 @@ ext2_acl_chmod(struct inode *inode) | |||
339 | * Extended attribut handlers | 339 | * Extended attribut handlers |
340 | */ | 340 | */ |
341 | static size_t | 341 | static size_t |
342 | ext2_xattr_list_acl_access(struct inode *inode, char *list, size_t list_size, | 342 | ext2_xattr_list_acl_access(struct dentry *dentry, char *list, size_t list_size, |
343 | const char *name, size_t name_len) | 343 | const char *name, size_t name_len, int type) |
344 | { | 344 | { |
345 | const size_t size = sizeof(POSIX_ACL_XATTR_ACCESS); | 345 | const size_t size = sizeof(POSIX_ACL_XATTR_ACCESS); |
346 | 346 | ||
347 | if (!test_opt(inode->i_sb, POSIX_ACL)) | 347 | if (!test_opt(dentry->d_sb, POSIX_ACL)) |
348 | return 0; | 348 | return 0; |
349 | if (list && size <= list_size) | 349 | if (list && size <= list_size) |
350 | memcpy(list, POSIX_ACL_XATTR_ACCESS, size); | 350 | memcpy(list, POSIX_ACL_XATTR_ACCESS, size); |
@@ -352,12 +352,12 @@ ext2_xattr_list_acl_access(struct inode *inode, char *list, size_t list_size, | |||
352 | } | 352 | } |
353 | 353 | ||
354 | static size_t | 354 | static size_t |
355 | ext2_xattr_list_acl_default(struct inode *inode, char *list, size_t list_size, | 355 | ext2_xattr_list_acl_default(struct dentry *dentry, char *list, size_t list_size, |
356 | const char *name, size_t name_len) | 356 | const char *name, size_t name_len, int type) |
357 | { | 357 | { |
358 | const size_t size = sizeof(POSIX_ACL_XATTR_DEFAULT); | 358 | const size_t size = sizeof(POSIX_ACL_XATTR_DEFAULT); |
359 | 359 | ||
360 | if (!test_opt(inode->i_sb, POSIX_ACL)) | 360 | if (!test_opt(dentry->d_sb, POSIX_ACL)) |
361 | return 0; | 361 | return 0; |
362 | if (list && size <= list_size) | 362 | if (list && size <= list_size) |
363 | memcpy(list, POSIX_ACL_XATTR_DEFAULT, size); | 363 | memcpy(list, POSIX_ACL_XATTR_DEFAULT, size); |
@@ -365,15 +365,18 @@ ext2_xattr_list_acl_default(struct inode *inode, char *list, size_t list_size, | |||
365 | } | 365 | } |
366 | 366 | ||
367 | static int | 367 | static int |
368 | ext2_xattr_get_acl(struct inode *inode, int type, void *buffer, size_t size) | 368 | ext2_xattr_get_acl(struct dentry *dentry, const char *name, void *buffer, |
369 | size_t size, int type) | ||
369 | { | 370 | { |
370 | struct posix_acl *acl; | 371 | struct posix_acl *acl; |
371 | int error; | 372 | int error; |
372 | 373 | ||
373 | if (!test_opt(inode->i_sb, POSIX_ACL)) | 374 | if (strcmp(name, "") != 0) |
375 | return -EINVAL; | ||
376 | if (!test_opt(dentry->d_sb, POSIX_ACL)) | ||
374 | return -EOPNOTSUPP; | 377 | return -EOPNOTSUPP; |
375 | 378 | ||
376 | acl = ext2_get_acl(inode, type); | 379 | acl = ext2_get_acl(dentry->d_inode, type); |
377 | if (IS_ERR(acl)) | 380 | if (IS_ERR(acl)) |
378 | return PTR_ERR(acl); | 381 | return PTR_ERR(acl); |
379 | if (acl == NULL) | 382 | if (acl == NULL) |
@@ -385,33 +388,17 @@ ext2_xattr_get_acl(struct inode *inode, int type, void *buffer, size_t size) | |||
385 | } | 388 | } |
386 | 389 | ||
387 | static int | 390 | static int |
388 | ext2_xattr_get_acl_access(struct inode *inode, const char *name, | 391 | ext2_xattr_set_acl(struct dentry *dentry, const char *name, const void *value, |
389 | void *buffer, size_t size) | 392 | size_t size, int flags, int type) |
390 | { | ||
391 | if (strcmp(name, "") != 0) | ||
392 | return -EINVAL; | ||
393 | return ext2_xattr_get_acl(inode, ACL_TYPE_ACCESS, buffer, size); | ||
394 | } | ||
395 | |||
396 | static int | ||
397 | ext2_xattr_get_acl_default(struct inode *inode, const char *name, | ||
398 | void *buffer, size_t size) | ||
399 | { | ||
400 | if (strcmp(name, "") != 0) | ||
401 | return -EINVAL; | ||
402 | return ext2_xattr_get_acl(inode, ACL_TYPE_DEFAULT, buffer, size); | ||
403 | } | ||
404 | |||
405 | static int | ||
406 | ext2_xattr_set_acl(struct inode *inode, int type, const void *value, | ||
407 | size_t size) | ||
408 | { | 393 | { |
409 | struct posix_acl *acl; | 394 | struct posix_acl *acl; |
410 | int error; | 395 | int error; |
411 | 396 | ||
412 | if (!test_opt(inode->i_sb, POSIX_ACL)) | 397 | if (strcmp(name, "") != 0) |
398 | return -EINVAL; | ||
399 | if (!test_opt(dentry->d_sb, POSIX_ACL)) | ||
413 | return -EOPNOTSUPP; | 400 | return -EOPNOTSUPP; |
414 | if (!is_owner_or_cap(inode)) | 401 | if (!is_owner_or_cap(dentry->d_inode)) |
415 | return -EPERM; | 402 | return -EPERM; |
416 | 403 | ||
417 | if (value) { | 404 | if (value) { |
@@ -426,41 +413,25 @@ ext2_xattr_set_acl(struct inode *inode, int type, const void *value, | |||
426 | } else | 413 | } else |
427 | acl = NULL; | 414 | acl = NULL; |
428 | 415 | ||
429 | error = ext2_set_acl(inode, type, acl); | 416 | error = ext2_set_acl(dentry->d_inode, type, acl); |
430 | 417 | ||
431 | release_and_out: | 418 | release_and_out: |
432 | posix_acl_release(acl); | 419 | posix_acl_release(acl); |
433 | return error; | 420 | return error; |
434 | } | 421 | } |
435 | 422 | ||
436 | static int | ||
437 | ext2_xattr_set_acl_access(struct inode *inode, const char *name, | ||
438 | const void *value, size_t size, int flags) | ||
439 | { | ||
440 | if (strcmp(name, "") != 0) | ||
441 | return -EINVAL; | ||
442 | return ext2_xattr_set_acl(inode, ACL_TYPE_ACCESS, value, size); | ||
443 | } | ||
444 | |||
445 | static int | ||
446 | ext2_xattr_set_acl_default(struct inode *inode, const char *name, | ||
447 | const void *value, size_t size, int flags) | ||
448 | { | ||
449 | if (strcmp(name, "") != 0) | ||
450 | return -EINVAL; | ||
451 | return ext2_xattr_set_acl(inode, ACL_TYPE_DEFAULT, value, size); | ||
452 | } | ||
453 | |||
454 | struct xattr_handler ext2_xattr_acl_access_handler = { | 423 | struct xattr_handler ext2_xattr_acl_access_handler = { |
455 | .prefix = POSIX_ACL_XATTR_ACCESS, | 424 | .prefix = POSIX_ACL_XATTR_ACCESS, |
425 | .flags = ACL_TYPE_ACCESS, | ||
456 | .list = ext2_xattr_list_acl_access, | 426 | .list = ext2_xattr_list_acl_access, |
457 | .get = ext2_xattr_get_acl_access, | 427 | .get = ext2_xattr_get_acl, |
458 | .set = ext2_xattr_set_acl_access, | 428 | .set = ext2_xattr_set_acl, |
459 | }; | 429 | }; |
460 | 430 | ||
461 | struct xattr_handler ext2_xattr_acl_default_handler = { | 431 | struct xattr_handler ext2_xattr_acl_default_handler = { |
462 | .prefix = POSIX_ACL_XATTR_DEFAULT, | 432 | .prefix = POSIX_ACL_XATTR_DEFAULT, |
433 | .flags = ACL_TYPE_DEFAULT, | ||
463 | .list = ext2_xattr_list_acl_default, | 434 | .list = ext2_xattr_list_acl_default, |
464 | .get = ext2_xattr_get_acl_default, | 435 | .get = ext2_xattr_get_acl, |
465 | .set = ext2_xattr_set_acl_default, | 436 | .set = ext2_xattr_set_acl, |
466 | }; | 437 | }; |