updated setup_fastd.yml

added features:
 - configure_sysctl
 - install_openvpn

host_vars/fastd

@@ -7,3 +7,13 @@ bat0_ipv6: '<ipv6>'
 bat0_ipv4: <ipv4>
 dhcp_start: <ipv4>
 dhcp_end: <ipv4>
+mullvad_country: nl
+mullvad_crt: |
+    -----BEGIN CERTIFICATE-----
+    ...
+    -----END CERTIFICATE-----
+mullvad_key: |
+    -----BEGIN PRIVATE KEY-----
+    ...
+    -----END PRIVATE KEY-----
+

roles/configure_sysctl/files/ff.conf

@@ -0,0 +1,10 @@
+net.ipv4.ip_forward=1
+#net.ipv6.conf.all.forwarding=1
+net.ipv6.neigh.default.gc_thresh3=4096
+net.ipv6.neigh.default.gc_thresh2=2048
+net.ipv6.neigh.default.gc_thresh1=1024
+net.ipv6.neigh.default.gc_interval=3600
+net.ipv6.neigh.default.gc_stale_time=3600
+
+# reboot after kernel panic
+kernel.panic=1

roles/configure_sysctl/tasks/main.yml

@@ -0,0 +1,15 @@
+---
+- name: touch sysctl.conf
+  file:
+      path: /etc/sysctl.conf
+      state: touch
+
+- name: copy ff.conf
+  copy:
+      src: ff.conf
+      dest: /etc/sysctl.d/ff.conf
+  register: ff_conf
+
+- name: reload sysctl
+  when: ff_conf.changed
+  command: /usr/bin/sysctl -p

roles/install_openvpn/files/ca.crt

@@ -0,0 +1,109 @@
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 3 (0x3)
+        Signature Algorithm: sha1WithRSAEncryption
+        Issuer: C=NA, ST=None, L=None, O=Mullvad, CN=Mullvad CA/emailAddress=info@mullvad.net
+        Validity
+            Not Before: Mar 24 16:19:48 2009 GMT
+            Not After : Mar 22 16:19:48 2019 GMT
+        Subject: C=NA, ST=None, L=None, O=Mullvad, CN=master.mullvad.net/emailAddress=info@mullvad.net
+        Subject Public Key Info:
+            Public Key Algorithm: rsaEncryption
+            RSA Public Key: (2048 bit)
+                Modulus (2048 bit):
+                    00:c5:00:39:5d:fe:9b:0c:b7:ff:76:a4:93:bf:26:
+                    1b:d6:c8:4a:e5:3c:ce:1c:2c:16:80:a2:61:a6:e9:
+                    63:4b:70:a1:80:6f:0e:0c:bb:a9:b6:d1:bd:f5:a0:
+                    78:82:09:4d:94:22:aa:77:7c:09:36:42:cd:a5:a6:
+                    90:73:27:42:00:31:e4:d4:8b:49:36:65:a3:25:82:
+                    b8:26:d7:d1:f5:b5:a9:be:57:93:9d:7c:d6:1c:df:
+                    9a:87:81:53:0b:17:81:d1:0d:ca:dc:4d:19:13:fa:
+                    11:e6:da:68:eb:81:05:39:e3:1e:3a:3f:fc:e2:64:
+                    3c:98:3c:89:a9:42:b3:30:70:57:56:a1:f5:08:b2:
+                    75:12:a0:36:93:9d:69:e9:7e:11:71:d9:1c:e8:7d:
+                    ec:03:21:11:7a:0a:7a:03:35:ba:b8:b2:0c:3a:6f:
+                    57:88:62:45:3d:0c:6c:18:ff:21:49:37:ae:40:78:
+                    6d:45:52:29:ac:21:ad:4a:01:61:67:0b:01:c4:ac:
+                    b0:88:97:52:ff:cb:3a:21:f0:14:2b:c1:79:8d:79:
+                    35:14:fc:9c:3f:6c:c9:62:fc:8c:c7:a8:51:34:75:
+                    1c:23:d5:db:b9:44:08:1c:0c:17:2c:21:2a:b4:29:
+                    db:15:59:e7:a9:1c:d6:19:19:ef:e4:6b:ea:78:6d:
+                    76:8d
+                Exponent: 65537 (0x10001)
+        X509v3 extensions:
+            X509v3 Subject Key Identifier: 
+                75:8A:14:92:0D:F3:6E:B7:36:4F:8B:4F:15:6C:3F:18:15:90:64:DE
+            X509v3 Authority Key Identifier: 
+                keyid:E1:63:B4:3E:55:A3:D2:37:5F:DE:3A:91:48:51:4B:20:1A:F2:9B:C5
+                DirName:/C=NA/ST=None/L=None/O=Mullvad/CN=Mullvad CA/emailAddress=info@mullvad.net
+                serial:84:68:2E:A0:51:2A:BB:D4
+
+            X509v3 Basic Constraints: 
+                CA:TRUE
+    Signature Algorithm: sha1WithRSAEncryption
+        a4:b4:62:3d:cb:7e:57:b3:bd:2a:41:e0:3b:94:d0:4c:08:69:
+        8a:b1:73:15:13:20:c9:d7:b0:b6:5d:65:4a:4d:1d:27:cc:ca:
+        11:0e:86:fa:65:61:26:39:c2:54:8e:da:eb:78:21:37:0e:c7:
+        a4:d2:17:8a:4b:ad:17:84:25:5e:24:0e:9a:81:ff:d1:1b:0e:
+        32:9b:f4:81:e0:07:e9:8f:9d:c1:43:7f:40:30:01:07:7c:02:
+        c7:c4:9c:05:48:4c:bf:41:69:57:c1:d3:bb:a3:5a:01:17:96:
+        b0:c9:00:22:57:2f:84:da:45:33:6e:6c:2b:13:c5:af:75:a7:
+        b2:6b:71:6e:13:2c:97:0e:d9:93:da:6d:d9:34:c6:06:7d:0e:
+        e2:b8:d2:78:13:79:0f:ac:ac:a8:68:a9:72:73:7a:d8:ab:7b:
+        0a:b0:54:b5:f3:ce:29:0d:47:82:0c:b4:d9:20:64:ff:ef:17:
+        46:92:de:65:e8:67:ce:3a:92:de:e4:3e:99:73:9f:7a:7c:00:
+        72:07:39:78:77:37:62:89:a2:db:24:fd:60:2a:e0:82:57:f6:
+        55:94:f6:79:47:19:c9:13:3b:5d:b7:6b:66:14:d4:7d:3c:76:
+        75:e9:a3:55:ba:b4:92:30:3b:ad:66:72:0c:39:4b:cc:95:a9:
+        bc:06:ef:2b
+-----BEGIN CERTIFICATE-----
+MIIEQjCCAyqgAwIBAgIBAzANBgkqhkiG9w0BAQUFADBzMQswCQYDVQQGEwJOQTEN
+MAsGA1UECBMETm9uZTENMAsGA1UEBxMETm9uZTEQMA4GA1UEChMHTXVsbHZhZDET
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+Ak5BMQ0wCwYDVQQIEwROb25lMQ0wCwYDVQQHEwROb25lMRAwDgYDVQQKEwdNdWxs
+dmFkMRswGQYDVQQDExJtYXN0ZXIubXVsbHZhZC5uZXQxHzAdBgkqhkiG9w0BCQEW
+EGluZm9AbXVsbHZhZC5uZXQwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIB
+AQDFADld/psMt/92pJO/JhvWyErlPM4cLBaAomGm6WNLcKGAbw4Mu6m20b31oHiC
+CU2UIqp3fAk2Qs2lppBzJ0IAMeTUi0k2ZaMlgrgm19H1tam+V5OdfNYc35qHgVML
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+SIb3DQEJARYQaW5mb0BtdWxsdmFkLm5ldIIJAIRoLqBRKrvUMAwGA1UdEwQFMAMB
+Af8wDQYJKoZIhvcNAQEFBQADggEBAKS0Yj3LflezvSpB4DuU0EwIaYqxcxUTIMnX
+sLZdZUpNHSfMyhEOhvplYSY5wlSO2ut4ITcOx6TSF4pLrReEJV4kDpqB/9EbDjKb
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+9nlHGckTO123a2YU1H08dnXpo1W6tJIwO61mcgw5S8yVqbwG7ys=
+-----END CERTIFICATE-----
+-----BEGIN CERTIFICATE-----
+MIIEQjCCAyqgAwIBAgIJAIRoLqBRKrvUMA0GCSqGSIb3DQEBBQUAMHMxCzAJBgNV
+BAYTAk5BMQ0wCwYDVQQIEwROb25lMQ0wCwYDVQQHEwROb25lMRAwDgYDVQQKEwdN
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+4wTksvkb0Tmjae1lRSlMd6u2AulAxVcVKAod2QVffhj+hdkYM94=
+-----END CERTIFICATE-----

roles/install_openvpn/files/crl.pem

@@ -0,0 +1,31 @@
+-----BEGIN X509 CRL-----
+MIIFVTCCBD0wDQYJKoZIhvcNAQEFBQAwezELMAkGA1UEBhMCTkExDTALBgNVBAgT
+BE5vbmUxDTALBgNVBAcTBE5vbmUxEDAOBgNVBAoTB011bGx2YWQxGzAZBgNVBAMT
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+RvHGDUXlOF/EwrWR1av036ITZQZrHiCEEw==
+-----END X509 CRL-----

roles/install_openvpn/files/mullvad-up.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+#/sbin/ip route replace default via $4 table ffmyk
+sleep 3
+echo Reroute via $4
+ip route replace 0.0.0.0/1 via $4 table ffmyk
+ip route replace 128.0.0.0/1 via $4 table ffmyk
+
+exit 0

roles/install_openvpn/files/override.conf

@@ -0,0 +1,3 @@
+[Service]
+Restart=always
+RestartSec=5

roles/install_openvpn/tasks/main.yml

@@ -0,0 +1,53 @@
+---
+- name: install openvpn
+  pacman:
+      name: openvpn
+      state: present
+
+- name: install ca.crt
+  copy:
+      src: ca.crt
+      dest: /etc/openvpn/client/ca.crt
+
+- name: install crl.pem
+  copy:
+      src: crl.pem
+      dest: /etc/openvpn/client/crl.pem
+
+- name: install mullvad-up.sh
+  copy:
+      src: mullvad-up.sh
+      dest: /etc/openvpn/client/mullvad-up.sh
+      mode: 0744
+
+- name: install mullvad.conf
+  template:
+      src: mullvad.conf.j2
+      dest: /etc/openvpn/client/mullvad.conf
+
+- name: install mullvad.key
+  template:
+      src: mullvad.key.j2
+      dest: /etc/openvpn/client/mullvad.key
+
+- name: install mullvad.crt
+  template:
+      src: mullvad.crt.j2
+      dest: /etc/openvpn/client/mullvad.crt
+
+- name: create sysetmd openvpn folder
+  file:
+      path: /etc/systemd/system/openvpn-client@mullvad.service.d
+      state: directory
+
+- name: always restart openvpn
+  copy:
+      src: override.conf
+      dest: /etc/systemd/system/openvpn-client@mullvad.service.d/override.conf
+      
+- name: start and enable openvpn-client@mullvad.service
+  systemd:
+      name: openvpn-client@mullvad.service
+      daemon_reload: yes
+      enabled: yes
+      state: started

roles/install_openvpn/templates/mullvad.conf.j2

@@ -0,0 +1,59 @@
+client
+
+dev mullvad
+dev-type tun
+
+proto udp
+
+remote {{ mullvad_country }}.mullvad.net 1300
+cipher AES-256-CBC
+
+# Tunnel IPv6 traffic as well as IPv4
+tun-ipv6
+
+# 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
+
+# Try to preserve some state across restarts.
+persist-key
+persist-tun
+
+# Enable compression on the VPN link.
+comp-lzo
+
+# Set log file verbosity.
+verb 3
+
+remote-cert-tls server
+
+ping-restart 60
+
+# Allow calling of built-in executables and user-defined scripts.
+script-security 2
+
+# Parses DHCP options from openvpn to update resolv.conf
+#up /etc/openvpn/update-resolv-conf
+#down /etc/openvpn/update-resolv-conf
+
+ping 10
+
+ca /etc/openvpn/client/ca.crt
+cert /etc/openvpn/client/mullvad.crt
+key /etc/openvpn/client/mullvad.key
+
+crl-verify /etc/openvpn/client/crl.pem
+
+# Limit range of possible TLS cipher-suites
+tls-cipher TLS-DHE-RSA-WITH-AES-256-CBC-SHA:TLS-DHE-RSA-WITH-CAMELLIA-256-CBC-SHA:TLS-DHE-RSA-WITH-3DES-EDE-CBC-SHA:TLS-DHE-RSA-WITH-AES-128-CBC-SHA:TLS-DHE-RSA-WITH-SEED-CBC-SHA:TLS-DHE-RSA-WITH-CAMELLIA-128-CBC-SHA
+
+# Update routing information.
+# Do not use standard configuration pushed via DHCP!
+route-noexec
+up /etc/openvpn/client/mullvad-up.sh

roles/install_openvpn/templates/mullvad.crt.j2

@@ -0,0 +1 @@
+{{ mullvad_crt }}

roles/install_openvpn/templates/mullvad.key.j2

@@ -0,0 +1 @@
+{{ mullvad_key }}

setup_fastd.yml

@@ -5,10 +5,12 @@
   roles:
       - install_yaourt
       - configure_journald
+      - configure_sysctl
       - install_ntp
       - install_haveged
       - setup_batman
       - install_dhcp
       - install_bind
       - install_fastd
+      - install_openvpn
       - install_admin_packages