add hans-arm

hans/README.md

@@ -4,10 +4,17 @@ hans
 [Hans][1] makes it possible to tunnel IPv4 through ICMP echo packets, so you
 could call it a ping tunnel.
 
+## How It Works
+
+```
+Client ---> G.F.W ---> Server ---> Internet
+ tun0       ping        tun0
+```
+
 ## docker-compose.yml
 
 ```yaml
-hans:
+server:
   image: vimagick/hans
   environment:
     - NETWORK=10.1.2.0
@@ -15,13 +22,22 @@ hans:
   net: host
   privileged: yes
   restart: always
+
+client:
+  image: easypi/hans-arm
+  environment:
+    - SERVER=1.2.3.4
+    - PASSWORD=password
+  net: host
+  privileged: yes
+  restart: always
 ```
 
 ## Server Setup
 
 ```bash
-# Start Server Program
+# Start Server Container
-$ docker-compose up -d
+$ docker-compose up -d server
 
 # Enable Masquerade (Method A)
 $ iptables -t nat -A POSTROUTING -s 10.1.2.0/24 -o eth0 -j MASQUERADE
@@ -33,8 +49,8 @@ $ firewall-cmd --add-masquerade
 ## Client Setup
 
 ```bash
-# Start Client Program
+# Start Client Container
-$ hans -f -c 1.2.3.4 -p password
+$ docker-compose up -d client
 
 # Access Server Directly
 $ ip route add 1.2.3.4 via 192.168.1.1

hans/arm/Dockerfile

@@ -0,0 +1,22 @@
+#
+# Dockerfile for hans-arm
+#
+
+FROM easypi/alpine-arm
+MAINTAINER EasyPi Software Foundation
+
+RUN set -xe \
+    && apk add --no-cache build-base curl libstdc++ linux-headers tar \
+    && mkdir hans \
+    && cd hans \
+    && curl -sSL https://github.com/friedrich/hans/archive/v0.4.4.tar.gz | tar xz --strip 1 \
+    && make \
+    && mv hans /usr/bin/hans \
+    && cd .. \
+    && rm -rf hans \
+    && apk del build-base curl linux-headers tar
+
+ENV SERVER 1.2.3.4
+ENV PASSWORD password
+
+CMD hans -f -c $SERVER -p $PASSWORD

hans/arm/docker-compose.yml

@@ -0,0 +1,8 @@
+hans:
+  image: easypi/hans-arm
+  environment:
+    - SERVER=1.2.3.4
+    - PASSWORD=password
+  net: host
+  privileged: yes
+  restart: always

hans/systemd/hans

@@ -1,4 +1,4 @@
 # /etc/default/hans
-GATEWAY=192.168.31.1
+GATEWAY=192.168.1.1
 SERVER=1.2.3.4
 PASSWORD=password