{ pkgs, diskImage, qemuMem, sshUser ? "user", sshPassword ? "user", }: with pkgs; let qemu-img = "${qemu_kvm}/bin/qemu-img"; runQemu = isolateNetwork: forwardedPorts: extraArgs: let restrict = if isolateNetwork then "on" else "off"; nc = "${netcat}/bin/nc"; # use netcat instead of `tcp:…` to allow multiple connections guestfwds = builtins.concatStringsSep "" (map ({ listenAddr, targetAddr, port }: ",guestfwd=tcp:${listenAddr}:${toString port}-cmd:${nc}\\ ${targetAddr}\\ ${toString port}" ) forwardedPorts); args = [ "-enable-kvm" "-m" qemuMem "-bios" "${OVMF.fd}/FV/OVMF.fd" "-netdev" "user,id=n1,net=192.168.1.0/24,restrict=${restrict},hostfwd=tcp::2022-:22${guestfwds}" "-device" "e1000,netdev=n1" ]; argStr = builtins.concatStringsSep " " (args ++ extraArgs); in "${qemu_kvm}/bin/qemu-system-x86_64 ${argStr}"; sshOpts = "-o StrictHostKeyChecking=accept-new -o UserKnownHostsFile=/dev/null"; ssh = cmd: '' echo ssh windows '${cmd}' ${sshpass}/bin/sshpass -p${sshPassword} -- \ ${openssh}/bin/ssh -np 2022 ${sshOpts} \ ${sshUser}@localhost \ '${cmd}' ''; scp = src: target: '' echo "Copy ${src} to ${target}" ${sshpass}/bin/sshpass -p${sshPassword} -- \ ${openssh}/bin/scp -P 2022 ${sshOpts} \ "${src}" "${sshUser}@localhost:${target}" ''; in { inherit qemu-img runQemu ssh scp; inputs = [ qemu_kvm openssh sshpass ]; }