diff options
Diffstat (limited to 'roles/openvpn')
| -rw-r--r-- | roles/openvpn/files/ca.crt | 31 | ||||
| -rw-r--r-- | roles/openvpn/files/crl.pem | 18 | ||||
| -rw-r--r-- | roles/openvpn/files/dh4096.pem | 13 | ||||
| -rw-r--r-- | roles/openvpn/files/server.conf | 306 | ||||
| -rw-r--r-- | roles/openvpn/handlers/main.yml | 6 | ||||
| -rw-r--r-- | roles/openvpn/meta/main.yml | 3 | ||||
| -rw-r--r-- | roles/openvpn/tasks/main.yml | 56 |
7 files changed, 433 insertions, 0 deletions
diff --git a/roles/openvpn/files/ca.crt b/roles/openvpn/files/ca.crt new file mode 100644 index 0000000..dc24426 --- /dev/null +++ b/roles/openvpn/files/ca.crt @@ -0,0 +1,31 @@ +-----BEGIN CERTIFICATE----- +MIIFUDCCAzigAwIBAgIJALKknwe+743TMA0GCSqGSIb3DQEBCwUAMB8xHTAbBgNV +BAMMFEpha29iIE9kZXJza3kgVlBOIENBMB4XDTE2MTIyNjE1NDYzOFoXDTI2MTIy +NDE1NDYzOFowHzEdMBsGA1UEAwwUSmFrb2IgT2RlcnNreSBWUE4gQ0EwggIiMA0G +CSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQCqQWgLTIUBuJm83VlWA0Mq6kpHGqjD +PICzlEHFjT6uliSQBeGDCBZ5VyZH3xM+KXsbibDHlWuBebrysv6Eepl64E2X9BnH +7OtCM1XaYxITB5bXLvA+YGAdklZC28Izv63elcV4HCD593T38txErGWJsK1OG78i +GKIAAlhWR9wjdGxF8YzQx1GNud1AoY8Xgi3W0cTaJc18yqaapnDNs3gRcNBSmrq/ +s5CsFG/vvz0+Njf1u79qyrQVUFLYJqFWwnqrSmj/ldVYCn2vlIExNvFy5EGQi90L +Y1jyDQYMVDIC1yLWJIlW6TGZi8qjc7MbRXqLs1SePJaYtfxMG8mGb605cZ5v3mTS +Mi3+nFe5OIqk8E8NsVl/s2oUGbYc3GMdGKUU68O6ihUwH9Gxj1ocSq4cKxyXHXPL +uErCFBu36FN/CoAgdOThPED84x9n8EklGxewJKvkHNos3zQoubEimzqw1e8hXH3Z +kxHG325W4PcaT6HK7t127wvWPNywsYa5A+cuQKnXq6NysQbEhcsHxMUmeBBEOfaH +KQmji/KQTQQPAW8GpRh/PIVY/fmKVu8tKgVhQPlURNVqU0o2Mi/xDtnhFiPmaTzt +2zOyWpl3WGZrHiX+cdHqInqSQAbBe1sjNqPDTNsTGxAEnmzYK2Ya0C1TIc2MFv/j +uQRaOTRApAxy4wIDAQABo4GOMIGLMB0GA1UdDgQWBBTOxv73DemHSrCYq3B1GcDc +NrBOKzBPBgNVHSMESDBGgBTOxv73DemHSrCYq3B1GcDcNrBOK6EjpCEwHzEdMBsG +A1UEAwwUSmFrb2IgT2RlcnNreSBWUE4gQ0GCCQCypJ8Hvu+N0zAMBgNVHRMEBTAD +AQH/MAsGA1UdDwQEAwIBBjANBgkqhkiG9w0BAQsFAAOCAgEAckRY9ueeSa3uafKX +PzNYqmwUVlIEYhQtG3vy0rqDQU3gcNYEkABXigquZatF46qOZ0pTN+8vGCksN3mZ +42/idtEfv0yxlZIbJRHBjYs6YZP1/rABAEtZSxIebw+cq1zdXnr98xWGAVWA3WJY +np8+Man2zeBEqU4dSJOr6wPSqpwJOFaYwI+PeHqcpHUd+PWsdFaWeOkk58oaS+1j +oVPSdEP+YgAZ7Pn/O6cF7ft7k1H6mQ6oUYJwKjN9/lsaFwKghicH3/iCizwwqZCw +sFxkGUMMFlN8EAuKu/44Tk3BegsJnkF6EB6ihesA5sF/Ymbx+nYPIlkwY6E7wG5W ++/jfj+CbQmZqbtXtwtx8zCVCmNuYGFlv5nq5TpmBn9Uxb1cN7YPp/ytDd4YkvJyc +MsTKU12PFs4+XKItW0PV4ipY+djZnN//sJYjcJPKS7UsxMLg7oV5ooQvV6NMkVUg +yP+dPS5NK3L63HT2s9VyRKV058Oc/J9Kcm9GG5faFo2EUxCIRwvVne/gIcEqxaRD +5s533dmhI4VgWVIOhY00Fg7M3Ee016oTiRbZmmu2rpemHwEYkrmS4HKi+JWSce3a +PjQXZHPsfk05V84Dr2aLS7giC7QYOg+iaoeXh61djFsGaX1jltPHH2HG4F6FJ1XC +eCb8J4mhiEuYryEJKAz+55wKgp8= +-----END CERTIFICATE----- diff --git a/roles/openvpn/files/crl.pem b/roles/openvpn/files/crl.pem new file mode 100644 index 0000000..cbcc529 --- /dev/null +++ b/roles/openvpn/files/crl.pem @@ -0,0 +1,18 @@ +-----BEGIN X509 CRL----- +MIIC0zCBvAIBATANBgkqhkiG9w0BAQsFADAfMR0wGwYDVQQDDBRKYWtvYiBPZGVy +c2t5IFZQTiBDQRcNMTYxMjI2MTU1NTUzWhcNMTcwNjI0MTU1NTUzWjAUMBICAQIX +DTE2MTIyNjE1NTEyN1qgUzBRME8GA1UdIwRIMEaAFM7G/vcN6YdKsJircHUZwNw2 +sE4roSOkITAfMR0wGwYDVQQDDBRKYWtvYiBPZGVyc2t5IFZQTiBDQYIJALKknwe+ +743TMA0GCSqGSIb3DQEBCwUAA4ICAQA3NWbkDDKdaMBSMnX0pCOebHigtNwiBLa+ +7riMqu0W+lok/pnrYXIvssk36psXljv/9NZ/U3KE1TfSOXM84YKNgN9nPS1JFaMD +1bVJQ4WMlBO/onF1ELtAyIePhHm9ZQSNKa9i7hLep+PCZadvI8JIxZGNeKDHYv6x +xrs3yqyte0Lw3gRB8XjWXKJQPCmaYpRf/X1EdrHteZX78uTZX3ArbysyY1xpji98 +8r6AeYOQgR2hLmaa5mpgn9YCiN5VFherVexGubz7xRvIEvII8BcIk84tW08U9oCO +cyUsTxWeiDYd6WJY3BEjVSy0DRGHQMOhc84XSp4KMS9fQfdLpdXbpovf4mVhNuJQ +5H41ZZ7dwuVWEf0n3ma/EAVOQE6MD1vMaPedHBEwqRCNDXz6XkQPi6ar/uSi9YhX +Zyc/9DP/auQ5wgc6xkJptIB3DFKkW8yUHB7yEzhmWYuF8Z89Dtxsh9GV9e4s40v2 +ELrPm4Yf5UzeDQdl+ipkpjvL2Xs5+FRYtQIsTVGEnKcu0+fGHOd+bpRt909cpiNC +ToIgnskJpnBzGwlmCsAg3Mt8QB8GpKouIwyYRIDTSdzJnh9OUYHtqDC2MUZ+xgWF +YvqFMkMVQJ0g0X6f5BYukyicTNK/BJ++NySXov83Jb8xxQg771VxmJvWNx8plekZ +0oar1TLHJQ== +-----END X509 CRL----- diff --git a/roles/openvpn/files/dh4096.pem b/roles/openvpn/files/dh4096.pem new file mode 100644 index 0000000..3fd26d4 --- /dev/null +++ b/roles/openvpn/files/dh4096.pem @@ -0,0 +1,13 @@ +-----BEGIN DH PARAMETERS----- +MIICCAKCAgEA8PC5fLB2y0AAFvUFwSoZCi/vgWVHKoHY34kU3NnCrmAHKVpvBGJ0 +g8Y4No6MHWyMGtgt7JGcnRRokzsgedtn02j69rqiwQWDS6WlU3gOYSRQAtrzU6L8 +1TYoAc5iux0M0rw9nV2XSLZSRGsLQQDDsiOb0fsZD05B3JytyjIGCgs3PiztdmCM +4BIFn2VqYj2vm9+wmwJ716JRVHgieU58pHIQrao4uSRCSVTNru8+1ACXgcFI/xGk +89hti0Ywh2sGKC+9+SZOKdZMXl8u7NhCo9dAQAjg1e6wAp/jjP0yUWnlhY87rVl/ +LNQnVSM7VmPMgUGy1ffdLd03b/MBG1to64ioSaNyq0VAuevBihQ7BZaZxuwuioWk +eTLv0dp1Zie2IihiY3/IONu8HvrqvZn8+Ml7m4icTPwQrqN9S0eMsyA09MuNI3MP +5F+fn2zyib3fxwPV7GeNjsCj+QywFGdmukThD7sT0Q7BLx2KhZaj6D76JZLz4H0S +cBkJGjK3/YcjZFHipaaFvvEdftO33o+CdWwKc3+TL1gn3TB5smZS4V5oO3SkoMOr +mowBd6CsFqdNASvoWZs29CgRHewtAmMfx4ZtlcFDffGLNzx1DO8VoCX0RGATEI/M +vlrYYchykZjEMqjS6PAxpeCSDLWqIkW9fy8qUJcebZ7Rml25vv4SeeMCAQI= +-----END DH PARAMETERS----- diff --git a/roles/openvpn/files/server.conf b/roles/openvpn/files/server.conf new file mode 100644 index 0000000..a30e72c --- /dev/null +++ b/roles/openvpn/files/server.conf @@ -0,0 +1,306 @@ +################################################# +# 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 +crl-verify crl.pem + +# Diffie hellman parameters. +# Generate your own with: +# openssl dhparam -out dh2048.pem 2048 +dh dh4096.pem + +# Network topology +# Should be subnet (addressing via IP) +# unless Windows clients v2.0.9 and lower have to +# be supported (then net30, i.e. a /30 per client) +# Defaults to net30 (not recommended) +topology subnet + +# 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 +server 192.168.255.128 255.255.255.128 + +# 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 nogroup + +# 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 4 + +# Silence repeating messages. At most 20 +# sequential messages of the same message +# category will be output to the log. +;mute 20 diff --git a/roles/openvpn/handlers/main.yml b/roles/openvpn/handlers/main.yml new file mode 100644 index 0000000..d462ff1 --- /dev/null +++ b/roles/openvpn/handlers/main.yml @@ -0,0 +1,6 @@ +--- +- name: restart openvpn + service: name=openvpn state=restarted + +- name: restart ufw + service: name=ufw state=restarted diff --git a/roles/openvpn/meta/main.yml b/roles/openvpn/meta/main.yml new file mode 100644 index 0000000..fdda41b --- /dev/null +++ b/roles/openvpn/meta/main.yml @@ -0,0 +1,3 @@ +--- +dependencies: + - role: common diff --git a/roles/openvpn/tasks/main.yml b/roles/openvpn/tasks/main.yml new file mode 100644 index 0000000..ad3b928 --- /dev/null +++ b/roles/openvpn/tasks/main.yml @@ -0,0 +1,56 @@ +--- +- name: install openvpn + apt: name=openvpn state=latest + +- name: copy root certificate + copy: src=ca.crt dest=/etc/openvpn/ca.crt + notify: restart openvpn + +- name: copy dh parameters + copy: src=dh4096.pem dest=/etc/openvpn/dh4096.pem + notify: restart openvpn + +- name: copy server config + copy: src=server.conf dest=/etc/openvpn/server.conf + notify: restart openvpn + +- name: copy crl + copy: src=crl.pem dest=/etc/openvpn/crl.pem + notify: restart openvpn # restart to terminate all connections and enforce crl + +- name: copy server certificate + copy: + src="host_files/{{inventory_hostname}}/etc/openvpn/server.crt" + dest=/etc/openvpn/server.crt + notify: restart openvpn + +- name: copy server key + copy: + src="host_files/{{inventory_hostname}}/etc/openvpn/server.key" + dest=/etc/openvpn/server.key + mode=0600 + notify: restart openvpn + +- name: enable ip forwarding + sysctl: name="net.ipv4.ip_forward" value=1 sysctl_set=yes state=present reload=yes + +- name: firewall - update default forward policy + lineinfile: dest=/etc/default/ufw regexp=^DEFAULT_FORWARD_POLICY line=DEFAULT_FORWARD_POLICY="ACCEPT" + notify: restart ufw + +- name: firewall - add NAT rules + blockinfile: + dest: /etc/ufw/before.rules + insertbefore: BOF + block: | + # NAT table rules + *nat + :POSTROUTING ACCEPT [0:0] + # Allow traffic from OpenVPN client to eth0 + -A POSTROUTING -s 192.168.255.0/24 -o eth0 -j MASQUERADE + COMMIT + notify: restart ufw + +- name: firewall - allow openvpn + ufw: rule=allow port=1194 proto=udp + notify: restart ufw |