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Re: [QUESTION] KIO slave-socket shortcut - does it exist?





On 04/12/18 16:37, Smits Katze wrote:
> Background: I want to sandbox KDE apps and need to understand better how
> KIO works.
> 
> My current level of understanding is that apps ask klauncher/kdeinit for
> a KIO slave if they need one. Then either kdeinit spawns a new slave
> process, or there is already an idle slave and it is reused. Idle slaves
> kill themselves after a couple of minutes if no request is coming in.
> Communication between the slave and the app happens via a socket,
> usually to find in /run/user/$UID.
> 
> The question is if, or rather when, it is possible to shortcut this
> process. 

You can bypass klauncher/kdeinit by exporting the KDE_FORK_SLAVES
environment variable set to 1. Then the applications will spawn the
ioslave process on their own.

Not sure if this actually helps you, though.

> Do slaves, especially idle ones, accept commands issued by
> third programs via these sockets? Try to take the perspective of an
> evil-minded adversary.
> 
> Thank you very much!

Cheers,
Elvis