Re: gnumach RPC: get info about the calling task

[Samuel Thibault]

Sergey Bugaev, le mar. 12 oct. 2021 16:22:48 +0300, a ecrit:
> So in the case of vm_map-backed pager, it should matter whether you
> have a task port to the target task, not whether you *are* the target
> task. If someone has a task port to a task, it allows them to
> completely control the task anyway (including making it invoke any
> RPC); there's no additional security gains from checking who the
> caller is, but there will be additional breakage.

Yes, making the caller pass the task port should be completely enough.

Samuel