On Sat 2017-07-15 16:02:22 +0200, Hartmut Knaack wrote: > on my machine running Linux and a recent KDE/Plasma, pinentry-qt > occasionally starts right after logging in and asks for my passphrase. > Is there any way to track down, which process asks gpg-agent for my private > key? Preferably, I would like pinentry to inform, which process actually is > the source of the key request.
pinentry itself doesn't know the source of the request, but gpg-agent could use getsockopt(SO_PEERCRED) to get at least the requesting process's pid, uid, and gid. the pid is kind-of usable (with some possibility of a race) to learn something about which process made the request, which gpg-agent could pass on to the pinentry. I don't think there's currently any plan to do anything like this, but if you want it to happen, i recommend documenting the idea in a ticket on https://dev.gnupg.org/ so that there's somewhere to keep track of it and potentially collect proposed patches. Regards, --dkg
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