74 lines
1.9 KiB
Nix
74 lines
1.9 KiB
Nix
{ config, hosts, inputs, pkgs, tools, ... }:
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let
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inherit (hosts.${config.networking.hostName}) interfaces;
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inherit (tools.meta) domain;
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inherit (config.links) localRecursor;
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inherit (inputs.self.packages.${pkgs.system}) stevenblack-hosts;
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dot = config.security.acme.certs."securedns.${domain}";
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in
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{
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links.localRecursor = {};
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networking.firewall = {
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allowedTCPPorts = [ 853 ];
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allowedUDPPorts = [ 853 ];
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};
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systemd.services.coredns = {
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after = [ "network-addresses-vstub.service" ];
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serviceConfig.LoadCredential = [
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"dot-cert.pem:${dot.directory}/fullchain.pem"
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"dot-key.pem:${dot.directory}/key.pem"
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];
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};
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security.acme.certs."securedns.${domain}" = {
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group = "nginx";
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webroot = "/var/lib/acme/acme-challenge";
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# using a different ACME provider because Android Private DNS is fucky
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server = "https://api.buypass.com/acme/directory";
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reloadServices = [
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"coredns.service"
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];
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};
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services.coredns = {
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enable = true;
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config = ''
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. {
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bind ${interfaces.vstub.addr}
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bind 127.0.0.1
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hosts ${stevenblack-hosts} {
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fallthrough
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}
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chaos "Private Void DNS" info@privatevoid.net
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forward . ${localRecursor.tuple}
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}
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tls://.:853 {
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bind ${interfaces.primary.addr}
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tls {$CREDENTIALS_DIRECTORY}/dot-cert.pem {$CREDENTIALS_DIRECTORY}/dot-key.pem
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hosts ${stevenblack-hosts} {
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fallthrough
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}
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chaos "Private Void DNS" info@privatevoid.net
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forward . ${localRecursor.tuple}
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}
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'';
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};
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services.pdns-recursor = {
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enable = true;
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dnssecValidation = "process";
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forwardZones = {
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# optimize queries against our own domain
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"${domain}" = interfaces.primary.addr;
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};
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dns = {
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inherit (localRecursor) port;
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address = localRecursor.ipv4;
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allowFrom = [ "127.0.0.1" ];
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};
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};
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}
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