USB hotplug switcher

diff --git a/usb-disable b/usb-disable
new file mode 120000 (symlink)
index 0000000..1fe84cb
--- /dev/null
+++ b/usb-disable
@@ -0,0 +1 @@
+usb-enable
\ No newline at end of file

diff --git a/usb-enable b/usb-enable
new file mode 100755 (executable)
index 0000000..cc4525e
--- /dev/null
+++ b/usb-enable
@@ -0,0 +1,17 @@
+#!/bin/bash
+#
+# USB hotplug switcher.
+# See https://links.sarava.org/tags/badusb
+#
+
+# Parameters
+BASENAME="`basename $0`"
+
+# Dispatch
+if [ "$BASENAME" == 'usb-enable' ]; then
+  sudo su -c "echo '-1' > /sys/module/usbcore/parameters/authorized_default"
+elif [ "$BASENAME" == 'usb-disable' ]; then
+  sudo su -c "echo '0' > /sys/module/usbcore/parameters/authorized_default"
+elif [ "$BASENAME" == 'usb-status' ]; then
+  cat /sys/module/usbcore/parameters/authorized_default
+fi

diff --git a/usb-status b/usb-status
new file mode 120000 (symlink)
index 0000000..1fe84cb
--- /dev/null
+++ b/usb-status
@@ -0,0 +1 @@
+usb-enable
\ No newline at end of file