Howdy! I've been working on a prototype that allows to do ssh-agent forward between a guest, using SPICE, and a spice client (remote-viewer/virt-viewer/spicy) The whole idea is to have something similar to "ssh -A guest", but integrated with the desktop environment. As a proof of concept I wrote a standalone ssh-agent that _unlink_ the current running agent in the guest machine and creates its socket in the same path used by the old agent. It works as you can see in these small demo videos: https://fidencio.fedorapeople.org/ssh-agent-forward/ Now where the problem starts: doing this would break the desktop integration with its running ssh-agent. A few possible solutions for this would involve a way to support more than one agent, talking to both (the local one and the spice one), merging then their responses and returning it to any application who sent the request. Note that would be really nice if we can limit it to do just some operations (like, ssh-add .ssh/id_rsa probably must not go to the spice agent). But how to do that? What could be a good approach for doing that? Expand the agent protocol in order to have a "ssh-add --proxy /path/to/the/new/agent/socket" can be one option. Making SSH_AUTH_SOCK support a list of agents is another option, then the first agent would be the "dispatcher". These are the questions that I have and I am open to suggestions/further discussions. Best Regards, -- Fabiano Fidêncio _______________________________________________ openssh-unix-dev mailing list openssh-unix-dev@xxxxxxxxxxx https://lists.mindrot.org/mailman/listinfo/openssh-unix-dev
