core-admin/qubes-rpc/admin.vm.Console

#!/bin/bash --
set -euo pipefail

lock="/run/qubes/$QREXEC_REQUESTED_TARGET.terminal.lock"

# use temporary file, because env variables deal poorly with \0 inside
tmpfile=$(mktemp)
trap 'rm -f -- "$tmpfile"' EXIT
# exit if qubesd returned an error
if ! qubesd-query -e --fail -- \
        "$QREXEC_REMOTE_DOMAIN" \
        "admin.vm.Console" \
        "$QREXEC_REQUESTED_TARGET" \
        ${1+"$1"} >"$tmpfile"; then
    cat -- "$tmpfile"
    exit 1
fi
path=$(tail -c +3 -- "$tmpfile")

# Create an exclusive lock to ensure that multiple qubes cannot access to the same socket
# In the case of multiple qrexec calls it returns a specific exit code
sudo flock -n -E 200 -x "$lock" socat - OPEN:"$path"