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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

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Elevate privileges between Python program ( and Inter-process_communication ) (programming.dev)

submitted 5 months ago by SpongeB0B@programming.dev to c/linux@lemmy.ml

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Hi everyone,

I have a Python program (A) that run under a regular user account. (good)

When some events occur in (A) I need to modify my nftables and only the root is allowed to do so.

I've come up with 3 ways to do that (if you know other please share) but I don't which would be the best.

Make a sudo call from (A) with from subprocess import run but I will need to store the password ! and I don't think is possible to keep it encrypted and decrypted when need it (it's a flaw)
.
Make (A) writing a file with the requests. Create a (B) daemon (that run as root) that check that file every X and do the necessary
.
Make (A) do an IPC ( Linux socket ) to (B) daemon (that run as root) and does the necessary.

I suppose that the solution 2 is less heavy that the 3 ? But if I'm not mistaken it will react also slower ?

Thanks.

🐧

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[–] SpongeB0B@programming.dev 3 points 5 months ago (1 children)

indeed I need it to be scriptable.

[–] baru@lemmy.world 1 points 5 months ago

Then implement polkit perhaps? https://polkit.pages.freedesktop.org/polkit/polkit-apps.html

Basically the root using bit is handled via polkit. Three unprivileged bit calls the privileged bit via polkit.