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Kernel: Add file permission checks to link() syscall.

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Also use the new name, not the old name, for the new link, duh.
This commit is contained in:
Andreas Kling 2019-02-21 17:05:04 +01:00
commit 19acb2baf7
Notes: sideshowbarker 2024-07-19 15:38:59 +09:00
1 changed files with 5 additions and 1 deletions
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6
Kernel/VirtualFileSystem.cpp
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@ -350,8 +350,12 @@ bool VFS::link(const String& old_path, const String& new_path, Inode& base, int&
error = -EROFS;
return false;
}
if (!parent_inode->metadata().may_write(*current)) {
error = -EACCES;
return false;
}
if (!parent_inode->add_child(old_inode->identifier(), FileSystemPath(old_path).basename(), 0, error))
if (!parent_inode->add_child(old_inode->identifier(), FileSystemPath(new_path).basename(), 0, error))
return false;
error = 0;
return true;