--- /dev/null
+#!/bin/sh
+
+# This is a fake ykinfo program that provides canned responses, for testing.
+
+device=
+all=
+
+while getopts an: arg
+do
+ case "$arg" in
+ n)
+ device="$OPTARG"
+ ;;
+ a)
+ all=1
+ ;;
+ esac
+done
+
+case "$device" in
+ 0)
+ printf 'serial: 123
+version: 2.0.0
+touch_level: 0
+vendor_id: 1050
+product_id: 113
+'
+ exit 0
+ ;;
+ 1)
+ printf 'serial: 456
+version: 3.0.1
+touch_level: 10
+vendor_id: 1050
+product_id: 401
+'
+ exit 0
+ ;;
+ *)
+ echo "Yubikey core error: no yubikey present" >&2
+ exit 1
+esac
+