#!/bin/bash

set -e
#set -x

if [ $# -eq 2 ]; then
    mount -o noexec,nosuid,nodev "${1}" "${2}"
    # renaming autorun.inf on the source key. As it it case insensitive, we have to do the following...
    ls "${2}" | grep -i autorun.inf | xargs -I {} mv "${2}"/{} "${2}"/DANGEROUS_{}_DANGEROUS || true
    mount -o remount,ro "${1}" "${2}"
    exit 0
else
    echo 'Invalid number of arguments.'
    exit 1
fi