Lennart Poettering
56a07d10a5
This is something I think we should have added a long time ago: a flavour of open() that safely ensures the inode we are opening is a regular file, before we open it. It does this by means of pinning the inode via O_PATH first, and after verification actually opening it. This ports some code over to this, but sooner or later we should probably use this a lot more, so that we don't accidentally open weird stuff such as device nodes or pipes, where we should not.
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