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feat: automatically generate allowedTCPPorts for mdns enabled

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interfaces; simplify nftables rules by adding a general untrusted zone
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oddlama 2023-05-27 01:59:28 +02:00
parent e37601b486
commit 41df399bb6
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14 changed files with 231 additions and 168 deletions
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71
hosts/ward/default.nix
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@ -65,10 +65,6 @@ in {
#automatic1111 = defineVm 19;
#invokeai = defineVm 19;
#kanidm = defineVm 12 // {
# configPath = ./vm-test.nix;
#};
};
microvm.vms.test.config = {
@ -95,61 +91,22 @@ in {
mode = "440";
group = "acme";
};
security.acme = {
acceptTerms = true;
defaults = {
inherit (acme) email;
dnsProvider = "cloudflare";
credentialsFile = config.rekey.secrets.acme-credentials.path;
dnsProvider = "cloudflare";
dnsPropagationCheck = true;
reloadServices = ["nginx"];
};
certs = lib.genAttrs acme.domains (domain: {
extraDomainNames = ["*.${domain}"];
});
};
extra.acme.wildcardDomains = acme.domains;
users.groups.acme.members = ["nginx"];
services.nginx.enable = true;
# TODO reload nginx when acme is renewed
# TODO make default nginx config in core to reduce boilerplate?
services.nginx = let
# TODO not implemented well
# TODO not implemented well
# TODO not implemented well
# TODO not implemented well
# TODO not implemented well
# TODO not implemented well
# TODO not implemented well
# TODO not implemented well
# TODO (acme.domains is very specific)
# TODO (security.acme causes recursion)
matchingWildcardCert = domain: let
# Filter all certs that are wildcard certs and which match the given domain
matchingCerts =
lib.filter
(x: !lib.hasInfix "." (lib.removeSuffix ".${x}" domain))
acme.domains;
in
assert lib.assertMsg (matchingCerts != []) "No wildcard certificate was defined that matches ${domain}";
lib.head matchingCerts;
in {
enable = true;
recommendedBrotliSettings = true;
recommendedGzipSettings = true;
recommendedOptimisation = true;
recommendedProxySettings = true;
recommendedTlsSettings = true;
# SSL config
sslCiphers = "EECDH+AESGCM:EDH+AESGCM:!aNULL";
sslDhparam = config.rekey.secrets."dhparams.pem".path;
commonHttpConfig = ''
error_log syslog:server=unix:/dev/log;
access_log syslog:server=unix:/dev/log;
ssl_ecdh_curve secp384r1;
'';
services.nginx = {
upstreams."kanidm" = {
servers."${config.extra.wireguard."${parentNodeName}-local-vms".ipv4}:8300" = {};
extraConfig = ''
@ -159,7 +116,7 @@ in {
};
virtualHosts.${auth.domain} = {
forceSSL = true;
useACMEHost = matchingWildcardCert auth.domain;
useACMEHost = config.lib.matchingWildcardCert auth.domain;
locations."/".proxyPass = "https://kanidm";
# Allow using self-signed certs to satisfy kanidm's requirement
# for TLS connections. (This is over wireguard anyway)
@ -169,10 +126,18 @@ in {
};
};
networking.firewall.allowedTCPPorts = [80 443];
networking.nftables.firewall = {
zones = lib.mkForce {
local-vms.interfaces = ["local-vms"];
};
networking.nftables.firewall.rules = lib.mkForce {
local-vms-to-local.allowedTCPPorts = [8300];
rules = lib.mkForce {
local-vms-to-local = {
from = ["local-vms"];
to = ["local"];
allowedTCPPorts = [8300];
};
};
};
rekey.secrets."kanidm-self-signed.crt" = {