From e86ada4297cbcccbef789533b3c0d8475404647a Mon Sep 17 00:00:00 2001
From: Cyryl Plotnicki-Chudyk <cyplo@cyplo.net>
Date: Thu, 2 Apr 2015 20:00:22 +0200
Subject: [PATCH] helper tools for configuring a host system to allow usb
 armory to access the internet

---
 tools/armory_demasq | 12 ++++++++++++
 tools/armory_masq   | 14 ++++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100755 tools/armory_demasq
 create mode 100755 tools/armory_masq

diff --git a/tools/armory_demasq b/tools/armory_demasq
new file mode 100755
index 00000000..4646ead9
--- /dev/null
+++ b/tools/armory_demasq
@@ -0,0 +1,12 @@
+#!/bin/bash
+set -e
+set -v
+USB_INTERFACE=enp0s20u3
+INTERNET_INTERFACE=wlp3s0
+
+echo 0 | sudo tee /proc/sys/net/ipv4/ip_forward
+
+sudo /sbin/ip addr del 10.0.0.2/24 dev $USB_INTERFACE
+
+sudo /sbin/ip link set $USB_INTERFACE down
+
diff --git a/tools/armory_masq b/tools/armory_masq
new file mode 100755
index 00000000..48ef10a2
--- /dev/null
+++ b/tools/armory_masq
@@ -0,0 +1,14 @@
+#!/bin/bash
+set -e
+set -v
+USB_INTERFACE=enp0s20u3
+INTERNET_INTERFACE=wlp3s0
+
+sudo /sbin/ip link set $USB_INTERFACE up
+
+sudo /sbin/ip addr add 10.0.0.2/24 dev $USB_INTERFACE
+
+sudo /sbin/iptables -t nat -A POSTROUTING -s 10.0.0.1/32 -o $INTERNET_INTERFACE -j MASQUERADE
+
+echo 1 | sudo tee /proc/sys/net/ipv4/ip_forward
+