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hosts/plover: update Wireguard "server" configuration

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Gabriel Arazas 2023-06-11 14:11:35 +08:00
parent 9857cabb07
commit 5949475aee
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1 changed files with 14 additions and 4 deletions
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18
hosts/plover/modules/services/wireguard.nix
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@ -7,7 +7,8 @@ let
inherit (builtins) toString;
inherit (import ../hardware/networks.nix) interfaces wireguardPort wireguardPeers;
wireguardIFName = "wireguard0";
wireguardIFName = interfaces.wireguard0.ifname;
lanIFName = interfaces.internal.ifname;
desktopPeerAddresses = with wireguardPeers.desktop; [ "${IPv4}/32" "${IPv6}/128" ];
phonePeerAddresses = with wireguardPeers.phone; [ "${IPv4}/32" "${IPv6}/128" ];
@ -20,13 +21,22 @@ in
# Allow the UDP traffic for the Wireguard service.
allowedUDPPorts = [ wireguardPort ];
# Accept the traffic from the Wireguard interface.
trustedInterfaces = [ wireguardIFName ];
# IP forwarding for specific interfaces.
filterForward = true;
extraForwardRules = ''
iifname ${wireguardIFName} oifname ${lanIFName} accept comment "IP forward from Wireguard interface to LAN"
'';
};
networking.nftables.ruleset = ''
table ip wireguard-${wireguardIFName} {
chain postrouting {
type nat hook postrouting priority srcnat; policy accept;
iifname ${wireguardIFName} oifname ${lanIFName} masquerade comment "Masquerade packets from Wireguard interface to LAN"
}
}
'';
# Since we're using systemd-networkd to configure interfaces, we can control
# how each interface can handle things such as IP masquerading so no need for
# modifying sysctl settings like 'ipv4.ip_forward' or similar.