PolicyKit Authentication Framework: Creating Your Own Rules

Last week I was explaining the important distinction between authentication and authorization, and how Linux  handles them in PAM and polkit, respectively. The PolicyKit Authentication Framework or polkit controls how subjects or unprivileged programs (such as a user’s shell) can be allowed to run mechanisms or privileged programs (such as normally root-only programs like mount […]
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PolicyKit Authentication Framework: From Authentication to Authorization

I started out working to prevent something that the manual pages said should already be impossible, and ended up exploring what was to me a whole new area of Linux security. Join me in my exploration. Don’t Let The Users Flip The Switch According to the manual pages for halt, poweroff, shutdown, and reboot, only […]
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