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|
{ config, pkgs, lib, ... }:
with lib;
let
reverseDomain = domain: concatStringsSep "." (reverseList (splitString "." domain));
acmeChallengeZonefile = domain: pkgs.writeText "${reverseDomain "_acme-challenge.${domain}"}.soa" ''
$ORIGIN _acme-challenge.${domain}.
$TTL 3600
@ IN SOA ns.yggdrasil.li. root.yggdrasil.li. 2022022103 10800 3600 604800 30
IN NS ns.yggdrasil.li.
'';
knotKeys = let
dir = ./keys;
toKeyInfo = name: v:
if v == "regular" || v == "symlink"
then { path = dir + "/${name}"; inherit name; }
else null;
in filter (v: v != null) (mapAttrsToList toKeyInfo (builtins.readDir dir));
indentString = indentation: str: concatMapStringsSep "\n" (str: " ${str}") (splitString "\n" (removeSuffix "\n" str));
mkZone = {domain, path ? (./zones + "/${reverseDomain domain}.soa"), acmeDomains ? [domain], addACLs ? {}}: indentString " " (let
keys = acmeDomain: [(assert (config.sops.secrets ? "${acmeDomain}_acme.yaml"); "${acmeDomain}_acme_acl")] ++ (addACLs.${acmeDomain} or []);
in ''
- domain: ${domain}
template: inwx_zone
${optionalString (acmeDomains != []) "acl: [local_acl, inwx_acl]"}
file: ${path}
${concatMapStringsSep "\n" (acmeDomain: ''
- domain: _acme-challenge.${acmeDomain}
template: acme_zone
acl: [${concatStringsSep ", " (keys acmeDomain)}]
file: ${acmeChallengeZonefile acmeDomain}
'') acmeDomains}
'');
in {
config = {
fileSystems."/var/lib/knot" =
{ device = "surtr/safe/var-lib-knot";
fsType = "zfs";
};
systemd.services.knot.unitConfig.RequiresMountsFor = [ "/var/lib/knot" ];
services.knot = {
enable = true;
keyFiles = map ({name, ...}: config.sops.secrets.${name}.path) knotKeys;
extraConfig = ''
server:
listen: 127.0.0.1@53
listen: ::1@53
listen: 202.61.241.61@53
listen: 2a03:4000:52:ada::@53
remote:
- id: inwx_notify
address: [2a0a:c980::53, 185.181.104.96]
via: [2a03:4000:52:ada::, 202.61.241.61]
- id: recursive
address: ::1@5353
- id: local
address: ::1@53
key: local_key
acl:
- id: inwx_acl
address: [185.181.104.96, 2a0a:c980::53]
action: transfer
- id: local_acl
key: local_key
action: update
update-type: DS
${let
toACMEACL = { name, ... }:
if hasSuffix "_acme.yaml" name
then
let
base = removeSuffix ".yaml" name;
in indentString " " ''
- id: ${base}_acl
key: ${base}_key
action: update
''
else null;
in concatStringsSep "\n" (filter (v: v != null) (map toACMEACL knotKeys))}
mod-rrl:
- id: default
rate-limit: 200
slip: 2
mod-cookies:
- id: default
secret-lifetime: 4h
badcookie-slip: 1
submission:
- id: validating-resolver
parent: recursive
check-interval: 5m
policy:
- id: rsa2048
algorithm: rsasha256
ksk-size: 4096
zsk-size: 2048
zsk-lifetime: 30d
ksk-submission: validating-resolver
- id: ed25519
algorithm: ed25519
nsec3: on
nsec3-iterations: 0
ksk-lifetime: 360d
signing-threads: 2
ksk-submission: validating-resolver
- id: ed25519_local-push
algorithm: ed25519
nsec3: on
nsec3-iterations: 0
ksk-lifetime: 360d
signing-threads: 2
ksk-submission: validating-resolver
cds-cdnskey-publish: double-ds
propagation-delay: 0
ds-push: [local]
template:
- id: default
global-module: [mod-cookies/default, mod-rrl/default]
- id: inwx_zone
storage: /var/lib/knot
zonefile-sync: -1
zonefile-load: difference-no-serial
serial-policy: dateserial
journal-content: all
semantic-checks: on
dnssec-signing: on
dnssec-policy: ed25519
notify: [inwx_notify]
acl: [inwx_acl]
- id: acme_zone
storage: /var/lib/knot
zonefile-sync: -1
zonefile-load: difference-no-serial
serial-policy: dateserial
journal-content: all
semantic-checks: on
dnssec-signing: on
dnssec-policy: ed25519_local-push
zone:
${concatMapStringsSep "\n" mkZone [
{ domain = "yggdrasil.li";
addACLs = { "yggdrasil.li" = ["ymir_acme_acl"]; };
}
{ domain = "nights.email";
addACLs = { "nights.email" = ["ymir_acme_acl"]; };
}
{ domain = "141.li";
acmeDomains = ["webdav.141.li" "141.li"];
addACLs = { "141.li" = ["ymir_acme_acl"]; };
}
{ domain = "kleen.li";
addACLs = { "kleen.li" = ["ymir_acme_acl"]; };
}
{ domain = "xmpp.li";
addACLs = { "xmpp.li" = ["ymir_acme_acl"]; };
}
{ domain = "synapse.li";
acmeDomains = ["element.synapse.li" "synapse.li"];
}
{ domain = "dirty-haskell.org";
addACLs = { "dirty-haskell.org" = ["ymir_acme_acl"]; };
}
{ domain = "praseodym.org";
addACLs = { "praseodym.org" = ["ymir_acme_acl"]; };
}
{ domain = "rheperire.org";
addACLs = { "rheperire.org" = ["ymir_acme_acl"]; };
}
]}
'';
};
sops.secrets = listToAttrs (map ({name, path}: nameValuePair name {
format = "binary";
owner = "knot";
sopsFile = path;
}) knotKeys);
fileSystems."/var/lib/unbound" =
{ device = "surtr/local/var-lib-unbound";
fsType = "zfs";
};
systemd.services.unbound.unitConfig.RequiresMountsFor = [ "/var/lib/unbound" ];
services.unbound = {
enable = true;
resolveLocalQueries = false;
stateDir = "/var/lib/unbound";
localControlSocketPath = "/run/unbound/unbound.ctl";
settings = {
server = {
interface = ["127.0.0.1@5353" "::1@5353"];
access-control = ["127.0.0.0/8 allow" "::1/128 allow"];
root-hints = "${pkgs.dns-root-data}/root.hints";
num-threads = 12;
so-reuseport = true;
msg-cache-slabs = 16;
rrset-cache-slabs = 16;
infra-cache-slabs = 16;
key-cache-slabs = 16;
rrset-cache-size = "100m";
msg-cache-size = "50m";
outgoing-range = 8192;
num-queries-per-thread = 4096;
so-rcvbuf = "4m";
so-sndbuf = "4m";
# serve-expired = true;
# serve-expired-ttl = 86400;
# serve-expired-reply-ttl = 0;
prefetch = true;
prefetch-key = true;
minimal-responses = false;
extended-statistics = true;
rrset-roundrobin = true;
use-caps-for-id = true;
};
};
};
};
}
|
