this post was submitted on 09 May 2024
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Linux
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This just sounds like a bad idea, a solution in search of a problem. Sure, sudo is a setuid binary, but it's a fairly simple program, and at some point, you have to trust the code. It's also a very fundamental piece of the system that you want to always work, even (especially!) when other things get borked. The brief description of run0 already has too many potential points of failure.
I have 0 knowledge of these things, but I do know that people always comment that sudo is bloated, that nobody is truly using everything that sudo can do, only one basic command.
Nobody is using all of sudo's features because those features are for different use cases. Case in point, LDAP support. At home, pretty much nobody uses it. But on the job, where there are tens to hundreds of machines that someone might need, and they're all hooked into LDAP for centralized authentication management, it makes sense to have that built into sudo. Same with Kerberos support - at home, forget it, but in a campus environment where Kerberos (and possibly AFS) are part of the network, it makes sense.