Back to the standard "app" module.

This return to "app" instead of "bitmask_android" is due to this reading: https://developer.android.com/sdk/installing/studio-build.html#projectStructure
I'll have to tweak the final apk name in build.gradle.

16 files changed, 973 insertions, 0 deletions

diff --git a/app/openvpn/sample/sample-config-files/README b/app/openvpn/sample/sample-config-files/README
new file mode 100644
index 00000000..d53ac79a
--- /dev/null
+++ b/app/openvpn/sample/sample-config-files/README
@@ -0,0 +1,6 @@
+Sample OpenVPN Configuration Files.
+
+These files are part of the OpenVPN HOWTO
+which is located at:
+
+http://openvpn.net/howto.html
diff --git a/app/openvpn/sample/sample-config-files/client.conf b/app/openvpn/sample/sample-config-files/client.conf
new file mode 100644
index 00000000..58b2038b
--- /dev/null
+++ b/app/openvpn/sample/sample-config-files/client.conf
@@ -0,0 +1,123 @@
+##############################################
+# Sample client-side OpenVPN 2.0 config file #
+# for connecting to multi-client server.     #
+#                                            #
+# This configuration can be used by multiple #
+# clients, however each client should have   #
+# its own cert and key files.                #
+#                                            #
+# On Windows, you might want to rename this  #
+# file so it has a .ovpn extension           #
+##############################################
+
+# Specify that we are a client and that we
+# will be pulling certain config file directives
+# from the server.
+client
+
+# Use the same setting as you are using on
+# the server.
+# On most systems, the VPN will not function
+# unless you partially or fully disable
+# the firewall for the TUN/TAP interface.
+;dev tap
+dev tun
+
+# Windows needs the TAP-Win32 adapter name
+# from the Network Connections panel
+# if you have more than one.  On XP SP2,
+# you may need to disable the firewall
+# for the TAP adapter.
+;dev-node MyTap
+
+# Are we connecting to a TCP or
+# UDP server?  Use the same setting as
+# on the server.
+;proto tcp
+proto udp
+
+# The hostname/IP and port of the server.
+# You can have multiple remote entries
+# to load balance between the servers.
+remote my-server-1 1194
+;remote my-server-2 1194
+
+# Choose a random host from the remote
+# list for load-balancing.  Otherwise
+# try hosts in the order specified.
+;remote-random
+
+# Keep trying indefinitely to resolve the
+# host name of the OpenVPN server.  Very useful
+# on machines which are not permanently connected
+# to the internet such as laptops.
+resolv-retry infinite
+
+# Most clients don't need to bind to
+# a specific local port number.
+nobind
+
+# Downgrade privileges after initialization (non-Windows only)
+;user nobody
+;group nobody
+
+# Try to preserve some state across restarts.
+persist-key
+persist-tun
+
+# If you are connecting through an
+# HTTP proxy to reach the actual OpenVPN
+# server, put the proxy server/IP and
+# port number here.  See the man page
+# if your proxy server requires
+# authentication.
+;http-proxy-retry # retry on connection failures
+;http-proxy [proxy server] [proxy port #]
+
+# Wireless networks often produce a lot
+# of duplicate packets.  Set this flag
+# to silence duplicate packet warnings.
+;mute-replay-warnings
+
+# SSL/TLS parms.
+# See the server config file for more
+# description.  It's best to use
+# a separate .crt/.key file pair
+# for each client.  A single ca
+# file can be used for all clients.
+ca ca.crt
+cert client.crt
+key client.key
+
+# Verify server certificate by checking
+# that the certicate has the nsCertType
+# field set to "server".  This is an
+# important precaution to protect against
+# a potential attack discussed here:
+#  http://openvpn.net/howto.html#mitm
+#
+# To use this feature, you will need to generate
+# your server certificates with the nsCertType
+# field set to "server".  The build-key-server
+# script in the easy-rsa folder will do this.
+ns-cert-type server
+
+# If a tls-auth key is used on the server
+# then every client must also have the key.
+;tls-auth ta.key 1
+
+# Select a cryptographic cipher.
+# If the cipher option is used on the server
+# then you must also specify it here.
+;cipher x
+
+# Enable compression on the VPN link.
+# Don't enable this unless it is also
+# enabled in the server config file.
+comp-lzo
+
+# Set log file verbosity.
+verb 3
+
+# Silence repeating messages
+;mute 20
diff --git a/app/openvpn/sample/sample-config-files/firewall.sh b/app/openvpn/sample/sample-config-files/firewall.sh
new file mode 100755
index 00000000..19d75ee9
--- /dev/null
+++ b/app/openvpn/sample/sample-config-files/firewall.sh
@@ -0,0 +1,108 @@
+#!/bin/sh
+
+# A Sample OpenVPN-aware firewall.
+
+# eth0 is connected to the internet.
+# eth1 is connected to a private subnet.
+
+# Change this subnet to correspond to your private
+# ethernet subnet.  Home will use HOME_NET/24 and
+# Office will use OFFICE_NET/24.
+PRIVATE=10.0.0.0/24
+
+# Loopback address
+LOOP=127.0.0.1
+
+# Delete old iptables rules
+# and temporarily block all traffic.
+iptables -P OUTPUT DROP
+iptables -P INPUT DROP
+iptables -P FORWARD DROP
+iptables -F
+
+# Set default policies
+iptables -P OUTPUT ACCEPT
+iptables -P INPUT DROP
+iptables -P FORWARD DROP
+
+# Prevent external packets from using loopback addr
+iptables -A INPUT -i eth0 -s $LOOP -j DROP
+iptables -A FORWARD -i eth0 -s $LOOP -j DROP
+iptables -A INPUT -i eth0 -d $LOOP -j DROP
+iptables -A FORWARD -i eth0 -d $LOOP -j DROP
+
+# Anything coming from the Internet should have a real Internet address
+iptables -A FORWARD -i eth0 -s 192.168.0.0/16 -j DROP
+iptables -A FORWARD -i eth0 -s 172.16.0.0/12 -j DROP
+iptables -A FORWARD -i eth0 -s 10.0.0.0/8 -j DROP
+iptables -A INPUT -i eth0 -s 192.168.0.0/16 -j DROP
+iptables -A INPUT -i eth0 -s 172.16.0.0/12 -j DROP
+iptables -A INPUT -i eth0 -s 10.0.0.0/8 -j DROP
+
+# Block outgoing NetBios (if you have windows machines running
+# on the private subnet).  This will not affect any NetBios
+# traffic that flows over the VPN tunnel, but it will stop
+# local windows machines from broadcasting themselves to
+# the internet.
+iptables -A FORWARD -p tcp --sport 137:139 -o eth0 -j DROP
+iptables -A FORWARD -p udp --sport 137:139 -o eth0 -j DROP
+iptables -A OUTPUT -p tcp --sport 137:139 -o eth0 -j DROP
+iptables -A OUTPUT -p udp --sport 137:139 -o eth0 -j DROP
+
+# Check source address validity on packets going out to internet
+iptables -A FORWARD -s ! $PRIVATE -i eth1 -j DROP
+
+# Allow local loopback
+iptables -A INPUT -s $LOOP -j ACCEPT
+iptables -A INPUT -d $LOOP -j ACCEPT
+
+# Allow incoming pings (can be disabled)
+iptables -A INPUT -p icmp --icmp-type echo-request -j ACCEPT
+
+# Allow services such as www and ssh (can be disabled)
+iptables -A INPUT -p tcp --dport http -j ACCEPT
+iptables -A INPUT -p tcp --dport ssh -j ACCEPT
+
+# Allow incoming OpenVPN packets
+# Duplicate the line below for each
+# OpenVPN tunnel, changing --dport n
+# to match the OpenVPN UDP port.
+#
+# In OpenVPN, the port number is
+# controlled by the --port n option.
+# If you put this option in the config
+# file, you can remove the leading '--'
+#
+# If you taking the stateful firewall
+# approach (see the OpenVPN HOWTO),
+# then comment out the line below.
+
+iptables -A INPUT -p udp --dport 1194 -j ACCEPT
+
+# Allow packets from TUN/TAP devices.
+# When OpenVPN is run in a secure mode,
+# it will authenticate packets prior
+# to their arriving on a tun or tap
+# interface.  Therefore, it is not
+# necessary to add any filters here,
+# unless you want to restrict the
+# type of packets which can flow over
+# the tunnel.
+
+iptables -A INPUT -i tun+ -j ACCEPT
+iptables -A FORWARD -i tun+ -j ACCEPT
+iptables -A INPUT -i tap+ -j ACCEPT
+iptables -A FORWARD -i tap+ -j ACCEPT
+
+# Allow packets from private subnets
+iptables -A INPUT -i eth1 -j ACCEPT
+iptables -A FORWARD -i eth1 -j ACCEPT
+
+# Keep state of connections from local machine and private subnets
+iptables -A OUTPUT -m state --state NEW -o eth0 -j ACCEPT
+iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
+iptables -A FORWARD -m state --state NEW -o eth0 -j ACCEPT
+iptables -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT
+
+# Masquerade local subnet
+iptables -t nat -A POSTROUTING -s $PRIVATE -o eth0 -j MASQUERADE
diff --git a/app/openvpn/sample/sample-config-files/home.up b/app/openvpn/sample/sample-config-files/home.up
new file mode 100755
index 00000000..9c347cc5
--- /dev/null
+++ b/app/openvpn/sample/sample-config-files/home.up
@@ -0,0 +1,2 @@
+#!/bin/sh
+route add -net 10.0.0.0 netmask 255.255.255.0 gw $5
diff --git a/app/openvpn/sample/sample-config-files/loopback-client b/app/openvpn/sample/sample-config-files/loopback-client
new file mode 100644
index 00000000..d7f59e69
--- /dev/null
+++ b/app/openvpn/sample/sample-config-files/loopback-client
@@ -0,0 +1,25 @@
+# Perform a TLS loopback test -- client side.
+#
+# This test performs a TLS negotiation once every 10 seconds,
+# and will terminate after 2 minutes.
+#
+# From the root directory of the OpenVPN distribution,
+# after openvpn has been built, run:
+#
+#  ./openvpn --config sample-config-files/loopback-client  (In one window) 
+#  ./openvpn --config sample-config-files/loopback-server  (Simultaneously in another window) 
+
+rport 16000
+lport 16001
+remote localhost
+local localhost
+dev null
+verb 3
+reneg-sec 10
+tls-client
+ca sample-keys/ca.crt
+key sample-keys/client.key
+cert sample-keys/client.crt
+cipher DES-EDE3-CBC
+ping 1
+inactive 120 10000000
diff --git a/app/openvpn/sample/sample-config-files/loopback-server b/app/openvpn/sample/sample-config-files/loopback-server
new file mode 100644
index 00000000..9d21bcec
--- /dev/null
+++ b/app/openvpn/sample/sample-config-files/loopback-server
@@ -0,0 +1,26 @@
+# Perform a TLS loopback test -- server side.
+#
+# This test performs a TLS negotiation once every 10 seconds,
+# and will terminate after 2 minutes.
+#
+# From the root directory of the OpenVPN distribution,
+# after openvpn has been built, run:
+#
+#  ./openvpn --config sample-config-files/loopback-client  (In one window) 
+#  ./openvpn --config sample-config-files/loopback-server  (Simultaneously in another window) 
+
+rport 16001
+lport 16000
+remote localhost
+local localhost
+dev null
+verb 3
+reneg-sec 10
+tls-server
+dh sample-keys/dh1024.pem
+ca sample-keys/ca.crt
+key sample-keys/server.key
+cert sample-keys/server.crt
+cipher DES-EDE3-CBC
+ping 1
+inactive 120 10000000
diff --git a/app/openvpn/sample/sample-config-files/office.up b/app/openvpn/sample/sample-config-files/office.up
new file mode 100755
index 00000000..74a71a33
--- /dev/null
+++ b/app/openvpn/sample/sample-config-files/office.up
@@ -0,0 +1,2 @@
+#!/bin/sh
+route add -net 10.0.1.0 netmask 255.255.255.0 gw $5
diff --git a/app/openvpn/sample/sample-config-files/openvpn-shutdown.sh b/app/openvpn/sample/sample-config-files/openvpn-shutdown.sh
new file mode 100755
index 00000000..8ed2d1d5
--- /dev/null
+++ b/app/openvpn/sample/sample-config-files/openvpn-shutdown.sh
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+# stop all openvpn processes
+
+killall -TERM openvpn
diff --git a/app/openvpn/sample/sample-config-files/openvpn-startup.sh b/app/openvpn/sample/sample-config-files/openvpn-startup.sh
new file mode 100755
index 00000000..0ee006bc
--- /dev/null
+++ b/app/openvpn/sample/sample-config-files/openvpn-startup.sh
@@ -0,0 +1,34 @@
+#!/bin/sh
+
+# A sample OpenVPN startup script
+# for Linux.
+
+# openvpn config file directory
+dir=/etc/openvpn
+
+# load the firewall
+$dir/firewall.sh
+
+# load TUN/TAP kernel module
+modprobe tun
+
+# enable IP forwarding
+echo 1 > /proc/sys/net/ipv4/ip_forward
+
+# Invoke openvpn for each VPN tunnel
+# in daemon mode.  Alternatively,
+# you could remove "--daemon" from
+# the command line and add "daemon"
+# to the config file.
+#
+# Each tunnel should run on a separate
+# UDP port.  Use the "port" option
+# to control this.  Like all of
+# OpenVPN's options, you can
+# specify "--port 8000" on the command
+# line or "port 8000" in the config
+# file.
+
+openvpn --cd $dir --daemon --config vpn1.conf
+openvpn --cd $dir --daemon --config vpn2.conf
+openvpn --cd $dir --daemon --config vpn2.conf
diff --git a/app/openvpn/sample/sample-config-files/server.conf b/app/openvpn/sample/sample-config-files/server.conf
new file mode 100644
index 00000000..f483b6bb
--- /dev/null
+++ b/app/openvpn/sample/sample-config-files/server.conf
@@ -0,0 +1,299 @@
+#################################################
+# Sample OpenVPN 2.0 config file for            #
+# multi-client server.                          #
+#                                               #
+# This file is for the server side              #
+# of a many-clients <-> one-server              #
+# OpenVPN configuration.                        #
+#                                               #
+# OpenVPN also supports                         #
+# single-machine <-> single-machine             #
+# configurations (See the Examples page         #
+# on the web site for more info).               #
+#                                               #
+# This config should work on Windows            #
+# or Linux/BSD systems.  Remember on            #
+# Windows to quote pathnames and use            #
+# double backslashes, e.g.:                     #
+# "C:\\Program Files\\OpenVPN\\config\\foo.key" #
+#                                               #
+# Comments are preceded with '#' or ';'         #
+#################################################
+
+# Which local IP address should OpenVPN
+# listen on? (optional)
+;local a.b.c.d
+
+# Which TCP/UDP port should OpenVPN listen on?
+# If you want to run multiple OpenVPN instances
+# on the same machine, use a different port
+# number for each one.  You will need to
+# open up this port on your firewall.
+port 1194
+
+# TCP or UDP server?
+;proto tcp
+proto udp
+
+# "dev tun" will create a routed IP tunnel,
+# "dev tap" will create an ethernet tunnel.
+# Use "dev tap0" if you are ethernet bridging
+# and have precreated a tap0 virtual interface
+# and bridged it with your ethernet interface.
+# If you want to control access policies
+# over the VPN, you must create firewall
+# rules for the the TUN/TAP interface.
+# On non-Windows systems, you can give
+# an explicit unit number, such as tun0.
+# On Windows, use "dev-node" for this.
+# On most systems, the VPN will not function
+# unless you partially or fully disable
+# the firewall for the TUN/TAP interface.
+;dev tap
+dev tun
+
+# Windows needs the TAP-Win32 adapter name
+# from the Network Connections panel if you
+# have more than one.  On XP SP2 or higher,
+# you may need to selectively disable the
+# Windows firewall for the TAP adapter.
+# Non-Windows systems usually don't need this.
+;dev-node MyTap
+
+# SSL/TLS root certificate (ca), certificate
+# (cert), and private key (key).  Each client
+# and the server must have their own cert and
+# key file.  The server and all clients will
+# use the same ca file.
+#
+# See the "easy-rsa" directory for a series
+# of scripts for generating RSA certificates
+# and private keys.  Remember to use
+# a unique Common Name for the server
+# and each of the client certificates.
+#
+# Any X509 key management system can be used.
+# OpenVPN can also use a PKCS #12 formatted key file
+# (see "pkcs12" directive in man page).
+ca ca.crt
+cert server.crt
+key server.key  # This file should be kept secret
+
+# Diffie hellman parameters.
+# Generate your own with:
+#   openssl dhparam -out dh1024.pem 1024
+# Substitute 2048 for 1024 if you are using
+# 2048 bit keys. 
+dh dh1024.pem
+
+# Configure server mode and supply a VPN subnet
+# for OpenVPN to draw client addresses from.
+# The server will take 10.8.0.1 for itself,
+# the rest will be made available to clients.
+# Each client will be able to reach the server
+# on 10.8.0.1. Comment this line out if you are
+# ethernet bridging. See the man page for more info.
+server 10.8.0.0 255.255.255.0
+
+# Maintain a record of client <-> virtual IP address
+# associations in this file.  If OpenVPN goes down or
+# is restarted, reconnecting clients can be assigned
+# the same virtual IP address from the pool that was
+# previously assigned.
+ifconfig-pool-persist ipp.txt
+
+# Configure server mode for ethernet bridging.
+# You must first use your OS's bridging capability
+# to bridge the TAP interface with the ethernet
+# NIC interface.  Then you must manually set the
+# IP/netmask on the bridge interface, here we
+# assume 10.8.0.4/255.255.255.0.  Finally we
+# must set aside an IP range in this subnet
+# (start=10.8.0.50 end=10.8.0.100) to allocate
+# to connecting clients.  Leave this line commented
+# out unless you are ethernet bridging.
+;server-bridge 10.8.0.4 255.255.255.0 10.8.0.50 10.8.0.100
+
+# Configure server mode for ethernet bridging
+# using a DHCP-proxy, where clients talk
+# to the OpenVPN server-side DHCP server
+# to receive their IP address allocation
+# and DNS server addresses.  You must first use
+# your OS's bridging capability to bridge the TAP
+# interface with the ethernet NIC interface.
+# Note: this mode only works on clients (such as
+# Windows), where the client-side TAP adapter is
+# bound to a DHCP client.
+;server-bridge
+
+# Push routes to the client to allow it
+# to reach other private subnets behind
+# the server.  Remember that these
+# private subnets will also need
+# to know to route the OpenVPN client
+# address pool (10.8.0.0/255.255.255.0)
+# back to the OpenVPN server.
+;push "route 192.168.10.0 255.255.255.0"
+;push "route 192.168.20.0 255.255.255.0"
+
+# To assign specific IP addresses to specific
+# clients or if a connecting client has a private
+# subnet behind it that should also have VPN access,
+# use the subdirectory "ccd" for client-specific
+# configuration files (see man page for more info).
+
+# EXAMPLE: Suppose the client
+# having the certificate common name "Thelonious"
+# also has a small subnet behind his connecting
+# machine, such as 192.168.40.128/255.255.255.248.
+# First, uncomment out these lines:
+;client-config-dir ccd
+;route 192.168.40.128 255.255.255.248
+# Then create a file ccd/Thelonious with this line:
+#   iroute 192.168.40.128 255.255.255.248
+# This will allow Thelonious' private subnet to
+# access the VPN.  This example will only work
+# if you are routing, not bridging, i.e. you are
+# using "dev tun" and "server" directives.
+
+# EXAMPLE: Suppose you want to give
+# Thelonious a fixed VPN IP address of 10.9.0.1.
+# First uncomment out these lines:
+;client-config-dir ccd
+;route 10.9.0.0 255.255.255.252
+# Then add this line to ccd/Thelonious:
+#   ifconfig-push 10.9.0.1 10.9.0.2
+
+# Suppose that you want to enable different
+# firewall access policies for different groups
+# of clients.  There are two methods:
+# (1) Run multiple OpenVPN daemons, one for each
+#     group, and firewall the TUN/TAP interface
+#     for each group/daemon appropriately.
+# (2) (Advanced) Create a script to dynamically
+#     modify the firewall in response to access
+#     from different clients.  See man
+#     page for more info on learn-address script.
+;learn-address ./script
+
+# If enabled, this directive will configure
+# all clients to redirect their default
+# network gateway through the VPN, causing
+# all IP traffic such as web browsing and
+# and DNS lookups to go through the VPN
+# (The OpenVPN server machine may need to NAT
+# or bridge the TUN/TAP interface to the internet
+# in order for this to work properly).
+;push "redirect-gateway def1 bypass-dhcp"
+
+# Certain Windows-specific network settings
+# can be pushed to clients, such as DNS
+# or WINS server addresses.  CAVEAT:
+# http://openvpn.net/faq.html#dhcpcaveats
+# The addresses below refer to the public
+# DNS servers provided by opendns.com.
+;push "dhcp-option DNS 208.67.222.222"
+;push "dhcp-option DNS 208.67.220.220"
+
+# Uncomment this directive to allow different
+# clients to be able to "see" each other.
+# By default, clients will only see the server.
+# To force clients to only see the server, you
+# will also need to appropriately firewall the
+# server's TUN/TAP interface.
+;client-to-client
+
+# Uncomment this directive if multiple clients
+# might connect with the same certificate/key
+# files or common names.  This is recommended
+# only for testing purposes.  For production use,
+# each client should have its own certificate/key
+# pair.
+#
+# IF YOU HAVE NOT GENERATED INDIVIDUAL
+# CERTIFICATE/KEY PAIRS FOR EACH CLIENT,
+# EACH HAVING ITS OWN UNIQUE "COMMON NAME",
+# UNCOMMENT THIS LINE OUT.
+;duplicate-cn
+
+# The keepalive directive causes ping-like
+# messages to be sent back and forth over
+# the link so that each side knows when
+# the other side has gone down.
+# Ping every 10 seconds, assume that remote
+# peer is down if no ping received during
+# a 120 second time period.
+keepalive 10 120
+
+# For extra security beyond that provided
+# by SSL/TLS, create an "HMAC firewall"
+# to help block DoS attacks and UDP port flooding.
+#
+# Generate with:
+#   openvpn --genkey --secret ta.key
+#
+# The server and each client must have
+# a copy of this key.
+# The second parameter should be '0'
+# on the server and '1' on the clients.
+;tls-auth ta.key 0 # This file is secret
+
+# Select a cryptographic cipher.
+# This config item must be copied to
+# the client config file as well.
+;cipher BF-CBC        # Blowfish (default)
+;cipher AES-128-CBC   # AES
+;cipher DES-EDE3-CBC  # Triple-DES
+
+# Enable compression on the VPN link.
+# If you enable it here, you must also
+# enable it in the client config file.
+comp-lzo
+
+# The maximum number of concurrently connected
+# clients we want to allow.
+;max-clients 100
+
+# It's a good idea to reduce the OpenVPN
+# daemon's privileges after initialization.
+#
+# You can uncomment this out on
+# non-Windows systems.
+;user nobody
+;group nobody
+
+# The persist options will try to avoid
+# accessing certain resources on restart
+# that may no longer be accessible because
+# of the privilege downgrade.
+persist-key
+persist-tun
+
+# Output a short status file showing
+# current connections, truncated
+# and rewritten every minute.
+status openvpn-status.log
+
+# By default, log messages will go to the syslog (or
+# on Windows, if running as a service, they will go to
+# the "\Program Files\OpenVPN\log" directory).
+# Use log or log-append to override this default.
+# "log" will truncate the log file on OpenVPN startup,
+# while "log-append" will append to it.  Use one
+# or the other (but not both).
+;log         openvpn.log
+;log-append  openvpn.log
+
+# Set the appropriate level of log
+# file verbosity.
+#
+# 0 is silent, except for fatal errors
+# 4 is reasonable for general usage
+# 5 and 6 can help to debug connection problems
+# 9 is extremely verbose
+verb 3
+
+# Silence repeating messages.  At most 20
+# sequential messages of the same message
+# category will be output to the log.
+;mute 20
diff --git a/app/openvpn/sample/sample-config-files/static-home.conf b/app/openvpn/sample/sample-config-files/static-home.conf
new file mode 100644
index 00000000..c9666874
--- /dev/null
+++ b/app/openvpn/sample/sample-config-files/static-home.conf
@@ -0,0 +1,72 @@
+#
+# Sample OpenVPN configuration file for
+# home using a pre-shared static key.
+#
+# '#' or ';' may be used to delimit comments.
+
+# Use a dynamic tun device.
+# For Linux 2.2 or non-Linux OSes,
+# you may want to use an explicit
+# unit number such as "tun1".
+# OpenVPN also supports virtual
+# ethernet "tap" devices.
+dev tun
+
+# Our OpenVPN peer is the office gateway.
+remote 1.2.3.4
+
+# 10.1.0.2 is our local VPN endpoint (home).
+# 10.1.0.1 is our remote VPN endpoint (office).
+ifconfig 10.1.0.2 10.1.0.1
+
+# Our up script will establish routes
+# once the VPN is alive.
+up ./home.up
+
+# Our pre-shared static key
+secret static.key
+
+# OpenVPN 2.0 uses UDP port 1194 by default
+# (official port assignment by iana.org 11/04).
+# OpenVPN 1.x uses UDP port 5000 by default.
+# Each OpenVPN tunnel must use
+# a different port number.
+# lport or rport can be used
+# to denote different ports
+# for local and remote.
+; port 1194
+
+# Downgrade UID and GID to
+# "nobody" after initialization
+# for extra security.
+; user nobody
+; group nobody
+
+# If you built OpenVPN with
+# LZO compression, uncomment
+# out the following line.
+; comp-lzo
+
+# Send a UDP ping to remote once
+# every 15 seconds to keep
+# stateful firewall connection
+# alive.  Uncomment this
+# out if you are using a stateful
+# firewall.
+; ping 15
+
+# Uncomment this section for a more reliable detection when a system
+# loses its connection.  For example, dial-ups or laptops that
+# travel to other locations.
+; ping 15
+; ping-restart 45
+; ping-timer-rem
+; persist-tun
+; persist-key
+
+# Verbosity level.
+# 0 -- quiet except for fatal errors.
+# 1 -- mostly quiet, but display non-fatal network errors.
+# 3 -- medium output, good for normal operation.
+# 9 -- verbose, good for troubleshooting
+verb 3
diff --git a/app/openvpn/sample/sample-config-files/static-office.conf b/app/openvpn/sample/sample-config-files/static-office.conf
new file mode 100644
index 00000000..68030cc9
--- /dev/null
+++ b/app/openvpn/sample/sample-config-files/static-office.conf
@@ -0,0 +1,69 @@
+#
+# Sample OpenVPN configuration file for
+# office using a pre-shared static key.
+#
+# '#' or ';' may be used to delimit comments.
+
+# Use a dynamic tun device.
+# For Linux 2.2 or non-Linux OSes,
+# you may want to use an explicit
+# unit number such as "tun1".
+# OpenVPN also supports virtual
+# ethernet "tap" devices.
+dev tun
+
+# 10.1.0.1 is our local VPN endpoint (office).
+# 10.1.0.2 is our remote VPN endpoint (home).
+ifconfig 10.1.0.1 10.1.0.2
+
+# Our up script will establish routes
+# once the VPN is alive.
+up ./office.up
+
+# Our pre-shared static key
+secret static.key
+
+# OpenVPN 2.0 uses UDP port 1194 by default
+# (official port assignment by iana.org 11/04).
+# OpenVPN 1.x uses UDP port 5000 by default.
+# Each OpenVPN tunnel must use
+# a different port number.
+# lport or rport can be used
+# to denote different ports
+# for local and remote.
+; port 1194
+
+# Downgrade UID and GID to
+# "nobody" after initialization
+# for extra security.
+; user nobody
+; group nobody
+
+# If you built OpenVPN with
+# LZO compression, uncomment
+# out the following line.
+; comp-lzo
+
+# Send a UDP ping to remote once
+# every 15 seconds to keep
+# stateful firewall connection
+# alive.  Uncomment this
+# out if you are using a stateful
+# firewall.
+; ping 15
+
+# Uncomment this section for a more reliable detection when a system
+# loses its connection.  For example, dial-ups or laptops that
+# travel to other locations.
+; ping 15
+; ping-restart 45
+; ping-timer-rem
+; persist-tun
+; persist-key
+
+# Verbosity level.
+# 0 -- quiet except for fatal errors.
+# 1 -- mostly quiet, but display non-fatal network errors.
+# 3 -- medium output, good for normal operation.
+# 9 -- verbose, good for troubleshooting
+verb 3
diff --git a/app/openvpn/sample/sample-config-files/tls-home.conf b/app/openvpn/sample/sample-config-files/tls-home.conf
new file mode 100644
index 00000000..daa4ea1e
--- /dev/null
+++ b/app/openvpn/sample/sample-config-files/tls-home.conf
@@ -0,0 +1,83 @@
+#
+# Sample OpenVPN configuration file for
+# home using SSL/TLS mode and RSA certificates/keys.
+#
+# '#' or ';' may be used to delimit comments.
+
+# Use a dynamic tun device.
+# For Linux 2.2 or non-Linux OSes,
+# you may want to use an explicit
+# unit number such as "tun1".
+# OpenVPN also supports virtual
+# ethernet "tap" devices.
+dev tun
+
+# Our OpenVPN peer is the office gateway.
+remote 1.2.3.4
+
+# 10.1.0.2 is our local VPN endpoint (home).
+# 10.1.0.1 is our remote VPN endpoint (office).
+ifconfig 10.1.0.2 10.1.0.1
+
+# Our up script will establish routes
+# once the VPN is alive.
+up ./home.up
+
+# In SSL/TLS key exchange, Office will
+# assume server role and Home
+# will assume client role.
+tls-client
+
+# Certificate Authority file
+ca my-ca.crt
+
+# Our certificate/public key
+cert home.crt
+
+# Our private key
+key home.key
+
+# OpenVPN 2.0 uses UDP port 1194 by default
+# (official port assignment by iana.org 11/04).
+# OpenVPN 1.x uses UDP port 5000 by default.
+# Each OpenVPN tunnel must use
+# a different port number.
+# lport or rport can be used
+# to denote different ports
+# for local and remote.
+; port 1194
+
+# Downgrade UID and GID to
+# "nobody" after initialization
+# for extra security.
+; user nobody
+; group nobody
+
+# If you built OpenVPN with
+# LZO compression, uncomment
+# out the following line.
+; comp-lzo
+
+# Send a UDP ping to remote once
+# every 15 seconds to keep
+# stateful firewall connection
+# alive.  Uncomment this
+# out if you are using a stateful
+# firewall.
+; ping 15
+
+# Uncomment this section for a more reliable detection when a system
+# loses its connection.  For example, dial-ups or laptops that
+# travel to other locations.
+; ping 15
+; ping-restart 45
+; ping-timer-rem
+; persist-tun
+; persist-key
+
+# Verbosity level.
+# 0 -- quiet except for fatal errors.
+# 1 -- mostly quiet, but display non-fatal network errors.
+# 3 -- medium output, good for normal operation.
+# 9 -- verbose, good for troubleshooting
+verb 3
diff --git a/app/openvpn/sample/sample-config-files/tls-office.conf b/app/openvpn/sample/sample-config-files/tls-office.conf
new file mode 100644
index 00000000..f790f469
--- /dev/null
+++ b/app/openvpn/sample/sample-config-files/tls-office.conf
@@ -0,0 +1,83 @@
+#
+# Sample OpenVPN configuration file for
+# office using SSL/TLS mode and RSA certificates/keys.
+#
+# '#' or ';' may be used to delimit comments.
+
+# Use a dynamic tun device.
+# For Linux 2.2 or non-Linux OSes,
+# you may want to use an explicit
+# unit number such as "tun1".
+# OpenVPN also supports virtual
+# ethernet "tap" devices.
+dev tun
+
+# 10.1.0.1 is our local VPN endpoint (office).
+# 10.1.0.2 is our remote VPN endpoint (home).
+ifconfig 10.1.0.1 10.1.0.2
+
+# Our up script will establish routes
+# once the VPN is alive.
+up ./office.up
+
+# In SSL/TLS key exchange, Office will
+# assume server role and Home
+# will assume client role.
+tls-server
+
+# Diffie-Hellman Parameters (tls-server only)
+dh dh1024.pem
+
+# Certificate Authority file
+ca my-ca.crt
+
+# Our certificate/public key
+cert office.crt
+
+# Our private key
+key office.key
+
+# OpenVPN 2.0 uses UDP port 1194 by default
+# (official port assignment by iana.org 11/04).
+# OpenVPN 1.x uses UDP port 5000 by default.
+# Each OpenVPN tunnel must use
+# a different port number.
+# lport or rport can be used
+# to denote different ports
+# for local and remote.
+; port 1194
+
+# Downgrade UID and GID to
+# "nobody" after initialization
+# for extra security.
+; user nobody
+; group nobody
+
+# If you built OpenVPN with
+# LZO compression, uncomment
+# out the following line.
+; comp-lzo
+
+# Send a UDP ping to remote once
+# every 15 seconds to keep
+# stateful firewall connection
+# alive.  Uncomment this
+# out if you are using a stateful
+# firewall.
+; ping 15
+
+# Uncomment this section for a more reliable detection when a system
+# loses its connection.  For example, dial-ups or laptops that
+# travel to other locations.
+; ping 15
+; ping-restart 45
+; ping-timer-rem
+; persist-tun
+; persist-key
+
+# Verbosity level.
+# 0 -- quiet except for fatal errors.
+# 1 -- mostly quiet, but display non-fatal network errors.
+# 3 -- medium output, good for normal operation.
+# 9 -- verbose, good for troubleshooting
+verb 3
diff --git a/app/openvpn/sample/sample-config-files/xinetd-client-config b/app/openvpn/sample/sample-config-files/xinetd-client-config
new file mode 100644
index 00000000..03c5c1fa
--- /dev/null
+++ b/app/openvpn/sample/sample-config-files/xinetd-client-config
@@ -0,0 +1,11 @@
+# This OpenVPN config file
+# is the client side counterpart
+# of xinetd-server-config
+
+dev tun
+ifconfig 10.4.0.1 10.4.0.2
+remote my-server
+port 1194
+user nobody
+secret /root/openvpn/key
+inactive 600
diff --git a/app/openvpn/sample/sample-config-files/xinetd-server-config b/app/openvpn/sample/sample-config-files/xinetd-server-config
new file mode 100644
index 00000000..803a6f8f
--- /dev/null
+++ b/app/openvpn/sample/sample-config-files/xinetd-server-config
@@ -0,0 +1,25 @@
+# An xinetd configuration file for OpenVPN.
+#
+# This file should be renamed to openvpn or something suitably
+# descriptive and copied to the /etc/xinetd.d directory.
+# xinetd can then be made aware of this file by restarting
+# it or sending it a SIGHUP signal.
+#
+# For each potential incoming client, create a separate version
+# of this configuration file on a unique port number.  Also note
+# that the key file and ifconfig endpoints should be unique for
+# each client.  This configuration assumes that the OpenVPN
+# executable and key live in /root/openvpn.  Change this to fit
+# your environment.
+
+service openvpn_1
+{
+        type            = UNLISTED
+        port            = 1194
+        socket_type     = dgram
+        protocol        = udp
+        wait            = yes
+        user            = root
+        server          = /root/openvpn/openvpn
+        server_args     = --inetd --dev tun --ifconfig 10.4.0.2 10.4.0.1 --secret /root/openvpn/key --inactive 600 --user nobody
+}