Files
nix/modules/system/vpns/default.nix
2025-10-25 14:39:45 -05:00

74 lines
2.0 KiB
Nix

{ pkgs, config, lib, ... }:
let
cfg = config.system.vpns;
in
{
options.system.vpns = {
enable = lib.mkEnableOption "enables vpns";
# toggle for pia mexico w/ openvpn
openvpn_pia_mexico = lib.mkOption {
type = lib.types.bool;
default = false;
description = "enable pia vpn to mexico using openvpn";
};
wg_mex = lib.mkOption {
type = lib.types.bool;
default = false;
description = "enable pia vpn to mexico using wireguard";
};
};
config = lib.mkIf cfg.enable {
# enable pia mexico w/ openvpn
services.openvpn.servers = lib.mkIf cfg.openvpn_pia_mexico {
openvpn_pia_mexico = {
config = ''
config ${config.sops.secrets."openvpn_pia_mexico_config".path}
auth-user-pass ${config.sops.secrets."_pia_auth".path}
'';
};
};
# enable mullvad mexico w/ wireguard
networking.wg-quick.interfaces = lib.mkIf cfg.wg_mex {
wg_mex = {
# client settings
table = "51820";
privateKeyFile = config.sops.secrets."wg_mex_key".path;
address = [ "10.74.252.231/32" "fc00:bbbb:bbbb:bb01::b:fce6/128" ];
dns = [ "10.64.0.1" ];
# remote settings
peers = [ {
publicKey = "yxyntWsANEwxeR0pOPNAcfWY7zEVICZe9G+GxortzEY=";
allowedIPs = [ "0.0.0.0/0" "::0/0" ];
endpoint = "149.88.22.129:51820";
persistentKeepalive = 25;
} ];
# postUp = ''
# ip rule add fwmark 0xca6c table 51820
# ip route add default dev wg_mex table 51820
# ip route add 10.10.0.0/24 dev enp89s0 table 51820
# '';
#
# postDown = ''
# ip rule delete fwmark 0xca6c table 51820
# ip route flush table 51820
#
# '';
};
};
# secrets only if VPN is enabled
sops.secrets = lib.mkIf cfg.enable {
"wg_mex_key" = { owner = "root"; group = "root"; };
"pia_auth" = { owner = "root"; group = "root"; };
"openvpn_pia_mexico_config" = {owner = "root"; group = "root"; };
};
};
}