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trunk/akari/lsm-4.12.c (diff)| @@ -441,6 +441,7 @@ | ||
| 441 | 441 | return ccs_symlink_permission(dentry, dir->mnt, old_name); |
| 442 | 442 | } |
| 443 | 443 | |
| 444 | +#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 19, 0) | |
| 444 | 445 | /** |
| 445 | 446 | * ccs_path_rename - Check permission for rename(). |
| 446 | 447 | * |
| @@ -448,6 +449,7 @@ | ||
| 448 | 449 | * @old_dentry: Pointer to "struct dentry". |
| 449 | 450 | * @new_dir: Pointer to "struct path". |
| 450 | 451 | * @new_dentry: Pointer to "struct dentry". |
| 452 | + * @flags: Rename flags. | |
| 451 | 453 | * |
| 452 | 454 | * Returns 0 on success, negative value otherwise. |
| 453 | 455 | */ |
| @@ -454,10 +456,36 @@ | ||
| 454 | 456 | static int ccs_path_rename(const struct path *old_dir, |
| 455 | 457 | struct dentry *old_dentry, |
| 456 | 458 | const struct path *new_dir, |
| 459 | + struct dentry *new_dentry, | |
| 460 | + const unsigned int flags) | |
| 461 | +{ | |
| 462 | + if (flags & RENAME_EXCHANGE) { | |
| 463 | + const int err = ccs_rename_permission(new_dentry, old_dentry, old_dir->mnt); | |
| 464 | + | |
| 465 | + if (err) | |
| 466 | + return err; | |
| 467 | + } | |
| 468 | + return ccs_rename_permission(old_dentry, new_dentry, old_dir->mnt); | |
| 469 | +} | |
| 470 | +#else | |
| 471 | +/** | |
| 472 | + * ccs_path_rename - Check permission for rename(). | |
| 473 | + * | |
| 474 | + * @old_dir: Pointer to "struct path". | |
| 475 | + * @old_dentry: Pointer to "struct dentry". | |
| 476 | + * @new_dir: Pointer to "struct path". | |
| 477 | + * @new_dentry: Pointer to "struct dentry". | |
| 478 | + * | |
| 479 | + * Returns 0 on success, negative value otherwise. | |
| 480 | + */ | |
| 481 | +static int ccs_path_rename(const struct path *old_dir, | |
| 482 | + struct dentry *old_dentry, | |
| 483 | + const struct path *new_dir, | |
| 457 | 484 | struct dentry *new_dentry) |
| 458 | 485 | { |
| 459 | 486 | return ccs_rename_permission(old_dentry, new_dentry, old_dir->mnt); |
| 460 | 487 | } |
| 488 | +#endif | |
| 461 | 489 | |
| 462 | 490 | /** |
| 463 | 491 | * ccs_path_link - Check permission for link(). |
