--- /dev/null
+#!/bin/sh
+
+case "$1" in
+unbound-daemon)
+ unbound -V 2>&1 | grep -F "$2"
+ [ -f /etc/unbound/unbound.conf ] || { echo "FAIL: /etc/unbound/unbound.conf not installed"; exit 1; }
+ ;;
+
+libunbound)
+ ls /usr/lib/libunbound.so.* > /dev/null
+ ;;
+
+unbound-anchor)
+ [ -x /usr/sbin/unbound-anchor ] || { echo "FAIL: unbound-anchor not executable"; exit 1; }
+ unbound-anchor -h 2>&1 | grep -qi "unbound\|anchor\|usage\|option"
+ ;;
+
+unbound-checkconf)
+ [ -x /usr/sbin/unbound-checkconf ] || { echo "FAIL: unbound-checkconf not executable"; exit 1; }
+ unbound-checkconf -h 2>&1 | grep -qi "unbound\|usage\|option\|config"
+ ;;
+
+unbound-control)
+ [ -x /usr/sbin/unbound-control ] || { echo "FAIL: unbound-control not executable"; exit 1; }
+ unbound-control -h 2>&1 | grep -qi "unbound\|usage\|option"
+ ;;
+
+unbound-control-setup)
+ # Shell script — no version string; just verify it is installed
+ [ -x /usr/sbin/unbound-control-setup ] || {
+ echo "FAIL: unbound-control-setup not executable"
+ exit 1
+ }
+ grep -q "openssl\|unbound" /usr/sbin/unbound-control-setup
+ ;;
+
+unbound-host)
+ [ -x /usr/sbin/unbound-host ] || { echo "FAIL: unbound-host not executable"; exit 1; }
+ unbound-host -h 2>&1 | grep -qi "unbound\|usage\|option"
+ ;;
+esac