Add wireguard configuration

files/desktop/wireguard/desktop.key

@@ -0,0 +1,7 @@
+$ANSIBLE_VAULT;1.1;AES256
+64386433373038346364353966343664623636623866656535326139353563396466653663613565
+3265323264623161653131663865343362323530643139340a383238383738303366333666326536
+32373330623636613863303636626536613736323565323632353263363531386339623636613965
+6232626334623437610a623236383763636431323332343237353835666432326439396361386139
+31383538613265633766316565313538663631383833383636376630326130393039623561666232
+3861343261303065363138616564666464653733353864386564

files/desktop/wireguard/desktop.pub

@@ -0,0 +1 @@
+izHzmRwh2yzICps6pFI2Bg3TnmTD66/8uH4loJpkuD4=

files/desktop/wireguard/preshared.psk

@@ -0,0 +1,7 @@
+$ANSIBLE_VAULT;1.1;AES256
+35306261646161313832376338646666383439366336396566366163646263346661373861326630
+3461373866323562356338323837653032346333323962310a353436613736353763373163306163
+63356435306132623264323361333863363038306132333832303035393863616562363833663038
+3265306165623435390a383464343539393964396430343932363364353363323337346565646335
+37373332306534303963386139613931396561643763663438303932373832633565643765353433
+6564326235623439363438626261346264393835636134383664

playbook.yml

@@ -16,7 +16,6 @@
     - import_tasks: 'tasks/setup.yml'
     - import_tasks: 'tasks/network.yml'
     - import_tasks: 'tasks/systemd.yml'
-    - import_tasks: 'tasks/openvpn.yml'
     - import_tasks: 'tasks/git.yml'
     - import_tasks: 'tasks/mpv.yml'
     - import_tasks: 'tasks/mpd.yml'

tasks/network.yml

@@ -1,42 +1,109 @@
-- name: setup desktop systemd networkd
+- name: create wireguard directories
-  become: yes
+  become: true
-  template:
+  file:
-    src: 'templates/desktop/network.j2'
+    path: '{{ item | dirname }}'
-    dest: '/etc/systemd/network/20-wired.network'
     owner: root
-    group: root
+    group: systemd-network
     mode: '0644'
-  notify: restart systemd-networkd
+    state: directory
+  loop:
+    - '{{ vpn_private_key_path }}'
+    - '{{ vpn_public_key_path }}'
+
+- name: copy wireguard credentials
+  become: true
+  copy:
+    src: '{{ item.src }}'
+    dest: '{{ item.dest }}'
+    owner: root
+    group: systemd-network
+    mode: '0640'
+  loop:
+    - {
+        dest: '{{ vpn_public_key_path }}',
+        src: 'files/{{ platform }}/wireguard/{{ platform }}.pub',
+      }
+    - {
+        dest: '{{ vpn_private_key_path }}',
+        src: 'files/{{ platform }}/wireguard/{{ platform }}.key',
+      }
+
+- name: copy wireguard preshared keys
+  become: true
+  copy:
+    src: '{{ item.preshared_key_source_path }}'
+    dest: '{{ item.preshared_key_path }}'
+    owner: root
+    group: systemd-network
+    mode: '0640'
+  loop: '{{ vpn_peers }}'
+
+- name: setup desktop network configuration
+  become: true
+  template:
+    src: '{{ item.src }}'
+    dest: '{{ item.dest }}'
+    owner: root
+    group: systemd-network
+    mode: '0640'
+  loop:
+    - {
+        src: 'templates/desktop/network/enp.network.j2',
+        dest: '/etc/systemd/network/20-wired.network',
+      }
+    - {
+        src: 'templates/desktop/network/vmbr0.network.j2',
+        dest: '/etc/systemd/network/30-vmbr0.network',
+      }
+    - {
+        src: 'templates/desktop/network/vmbr0.netdev.j2',
+        dest: '/etc/systemd/network/30-vmbr0.netdev',
+      }
+    - {
+        src: 'templates/desktop/network/wg0.network.j2',
+        dest: '/etc/systemd/network/40-wg0.network',
+      }
+    - {
+        src: 'templates/desktop/network/wg0.netdev.j2',
+        dest: '/etc/systemd/network/40-wg0.netdev',
+      }
   when: platform == "desktop"
 
-- name: setup laptop systemd networkd
+# TODO: update network configuration path
-  become: yes
+- name: setup laptop network configuration
+  become: true
   template:
     src: 'templates/laptop/network.j2'
     dest: '/etc/systemd/network/20-wireless.network'
     owner: root
     group: root
     mode: '0644'
-  notify: restart systemd-networkd
   when: platform == "laptop"
 
+- name: restart systemd-networkd
+  become: true
+  systemd:
+    name: systemd-networkd
+    state: restarted
+    enabled: true
+
 - name: start systemd-resolved service
-  become: yes
+  become: true
   systemd:
     name: systemd-resolved
     state: started
-    enabled: yes
+    enabled: true
 
 - name: start iwd service
-  become: yes
+  become: true
   systemd:
     name: iwd
     state: started
-    enabled: yes
+    enabled: true
   when: platform == "laptop"
 
 - name: copy firewall template
-  become: yes
+  become: true
   template:
     src: 'templates/{{ platform }}/nftables.j2'
     dest: '/etc/nftables.conf'

templates/desktop/network/vmbr0.netdev.j2

@@ -0,0 +1,5 @@
+# {{ ansible_managed }} {{ ansible_date_time.time }} {{ ansible_date_time.date }}
+
+[NetDev]
+Name=vmbr0
+Kind=bridge

templates/desktop/network/vmbr0.network.j2

@@ -0,0 +1,10 @@
+# {{ ansible_managed }} {{ ansible_date_time.time }} {{ ansible_date_time.date }}
+
+[Match]
+Name=vmbr0
+
+[Network]
+Address=10.4.0.1/24
+DHCP=yes
+IPForward=yes
+ConfigureWithoutCarrier=yes

templates/desktop/network/wg0.netdev.j2

@@ -0,0 +1,24 @@
+# {{ ansible_managed }} {{ ansible_date_time.time }} {{ ansible_date_time.date }}
+
+[NetDev]
+Name={{ vpn_interface }}
+Kind=wireguard
+Description=WireGuard tunnel {{ vpn_interface }}
+
+[WireGuard]
+# PrivateKeyFile option does not seem to work, perhaps a bug?
+PrivateKey={{ vpn_private_key }}
+
+{% for peer in vpn_peers %}
+[WireGuardPeer]
+PublicKey={{ peer.public_key }}
+# PresharedKeyFile option does not seem to work, perhaps a bug?
+PresharedKey={{ peer.preshared_key }}
+AllowedIPs={{ peer.allowd_ips }}
+{% if peer.endpoint %}
+Endpoint={{ peer.endpoint }}
+{% endif %}
+{% if not loop.last %}
+
+{% endif %}
+{% endfor %}

templates/desktop/network/wg0.network.j2

@@ -0,0 +1,7 @@
+# {{ ansible_managed }} {{ ansible_date_time.time }} {{ ansible_date_time.date }}
+
+[Match]
+Name={{ vpn_interface }}
+
+[Network]
+Address={{ vpn_ip }}/{{ vpn_subnet }}

templates/desktop/nftables.j2

@@ -25,10 +25,10 @@ table inet filter {
     tcp dport ssh accept
 
     # syncthing
-    ip saddr 10.8.1.1 tcp dport 22000 accept
+    ip saddr 10.0.0.1 tcp dport 22000 accept
 
     # allow remote pulse audio
-    ip saddr 10.8.1.1 tcp dport 4713 accept
+    ip saddr 10.0.0.1 tcp dport 4713 accept
 
     # allow dhcp requests for bridget connections
     iifname "vmbr0" udp dport { 53, 67 } accept

templates/desktop/pulse-script.j2

@@ -2,4 +2,4 @@
 #
 # {{ ansible_managed }} {{ ansible_date_time.time }} {{ ansible_date_time.date }}
 
-/usr/bin/pactl load-module module-native-protocol-tcp auth-anonymous=1 listen=10.8.1.10
+/usr/bin/pactl load-module module-native-protocol-tcp auth-anonymous=1 listen={{ vpn_ip }}

templates/desktop/syncthing.j2

@@ -71,7 +71,7 @@
         <maxRequestKiB>0</maxRequestKiB>
     </device>
     <device id="PGSOVGQ-VOHWV77-F7DFFQO-JZKTWWG-Z2XU2DE-N4ATK5U-F7MXKKM-TFSROQJ" name="Zeus" compression="metadata" introducer="false" skipIntroductionRemovals="false" introducedBy="">
-        <address>tcp://10.8.0.1:22000</address>
+        <address>tcp://10.0.0.1:22000</address>
         <paused>false</paused>
         <autoAcceptFolders>false</autoAcceptFolders>
         <maxSendKbps>0</maxSendKbps>

templates/laptop/openvpn.j2

@@ -1,102 +0,0 @@
-# {{ ansible_managed }} {{ ansible_date_time.time }} {{ ansible_date_time.date }}
-#
-##############################################
-# 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 {{ vpn_interface }}
-
-# Use unprivileged ip command
-#iproute /usr/local/sbin/unpriv-ip
-
-# Are we connecting to a TCP or
-# UDP server?  Use the same setting as
-# on the server.
-proto {{ vpn_protocol }}
-
-# The hostname/IP and port of the server.
-# You can have multiple remote entries
-# to load balance between the servers.
-remote {{ vpn_ip }}
-port {{ vpn_port }}
-
-# 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
-
-# Ping every 30s - Inactivity restart 120s
-keepalive 30 120
-
-# Don't ping until connected to remote
-ping-timer-rem
-
-# 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
-
-# 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 /etc/openvpn/client/zeus/ca.crt
-cert  /etc/openvpn/client/zeus/laptop.crt
-key  /etc/openvpn/client/zeus/laptop.key
-
-# Verify server certificate by checking that the
-# certicate has the correct key usage set.
-# 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 keyUsage set to
-#   digitalSignature, keyEncipherment
-# and the extendedKeyUsage to
-#   serverAuth
-# EasyRSA can do this for you.
-remote-cert-tls server
-
-# If a tls-auth key is used on the server
-# then every client must also have the key.
-tls-auth ta.key 1
-auth SHA512
-
-# Select a cryptographic cipher.
-# If the cipher option is used on the server
-# then you must also specify it here.
-cipher AES-256-CBC
-
-# Enable compression on the VPN link.
-# Don't enable this unless it is also
-# enabled in the server config file.
-# Disabled as advised on https://openvpn.net/security-advisories/
-#compress lz4
-
-# Set log file verbosity.
-verb {{ vpn_verbosity }}

vars/desktop.yml

@@ -1 +1,26 @@
 platform_packages: []
+
+vpn_ip: '10.0.0.3'
+vpn_subnet: '24'
+
+vpn_public_key_path: '/etc/wireguard/keys/public/desktop.pub'
+vpn_private_key_path: '/etc/wireguard/keys/private/desktop.key'
+vpn_private_key: !vault |
+          $ANSIBLE_VAULT;1.1;AES256
+          65386334366166306164363464633364383935313739373730373139663139373964336665636264
+          3563663038313039363230623266393164646164373739620a623536633631643231633938613461
+          63366239333230663531306333383962353937353736663336343434663633303232386531353832
+          6434633935333538650a613065306239333031656362356165326136333131356135383436326561
+          62303035386634636333353664373231633434656538303866386262353139363439363435346637
+          6637363334623133376134306165626564343864633032613763
+
+vpn_peers:
+  - {
+      name: 'zeus',
+      allowd_ips: '10.0.0.1/32',
+      endpoint: '178.85.119.159:51902',
+      public_key: 'CeybSMpJiicXmndIuhe89Bay3z3PEdYNyAwIFsacBEo=',
+      preshared_key_path: '/etc/wireguard/keys/private/preshared-zeus.psk',
+      preshared_key_source_path: 'files/desktop/wireguard/preshared.psk',
+      preshared_key: !vault "$ANSIBLE_VAULT;1.1;AES256\r\n363333633336613939306632323163396239303739366135393232396134393266623939613534326238393638333137383235313039623264343932303038330a633934373638363966306533346235326234663464313963356238623064666430303030643533666536393662316237333463336462376366343335363131350a333135366239633765633136316133653535336661666461666365636233656165666635663037386666323931643265623233366133623237663734623661623661316436396465343866363266393565653237636136626536353630383263"
+    }

vars/laptop.yml

@@ -1,3 +1,5 @@
 platform_packages:
   - iwd
   - powertop
+
+vpn_ip: '10.0.0.2'

vars/main.yml

@@ -10,7 +10,6 @@ packages:
   - nftables
   - mpd
   - nfs-utils
-  - openvpn
   - okular
   - postgresql
   - plasma-meta
@@ -29,5 +28,6 @@ packages:
   - pipewire
   - pipewire-pulse
   - pipewire-alsa
+  - wireguard-tools
 
 platform_packages: []

vars/vpn.yml

@@ -1,5 +1,2 @@
-vpn_ip: '178.85.119.159'
+vpn_interface: 'wg0'
-vpn_port: '7531'
-vpn_interface: 'tun0'
 vpn_protocol: 'udp'
-vpn_verbosity: '1'