122 lines
3.3 KiB
Nix
122 lines
3.3 KiB
Nix
{ config, lib, pkgs, ... }:
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# search also generates ddclient entries for all other logs
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with import <stockholm/lib>;
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let
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ddclientUser = "ddclient";
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sec = toString <secrets>;
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nsupdate = import "${sec}/nsupdate-hub.nix";
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stateDir = "/var/spool/ddclient";
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cfg = "${stateDir}/cfg";
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ext-if = config.makefu.server.primary-itf;
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ddclientPIDFile = "${stateDir}/ddclient.pid";
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# TODO: correct cert generation requires a `real` internet ip address
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gen-cfg = dict: ''
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ssl=yes
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cache=${stateDir}/ddclient.cache
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pid=${ddclientPIDFile}
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${concatStringsSep "\n" (mapAttrsToList (user: pass: ''
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protocol=dyndns2
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use=web, web=http://ipv4.nsupdate.info/myip
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ssl=yes
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server=ipv4.nsupdate.info
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login=${user}
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password='${pass}'
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${user}
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'') dict)}
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'';
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uhubDir = "/var/lib/uhub";
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in {
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users.users."${ddclientUser}" = {
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uid = genid "ddclient";
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description = "ddclient daemon user";
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home = stateDir;
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isSystemUser = true;
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createHome = true;
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group = ddclientUser;
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};
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users.groups.${ddclientUser} = {};
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systemd.services = {
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ddclient-nsupdate-uhub = {
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wantedBy = [ "multi-user.target" ];
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after = [ "ip-up.target" ];
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serviceConfig = {
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Type = "forking";
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User = ddclientUser;
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PIDFile = ddclientPIDFile;
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ExecStartPre = pkgs.writeDash "init-nsupdate" ''
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cp -vf ${pkgs.writeText "ddclient-config" (gen-cfg nsupdate)} ${cfg}
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chmod 700 ${cfg}
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'';
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ExecStart = "${pkgs.ddclient}/bin/ddclient -verbose -daemon 1 -noquiet -file ${cfg}";
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};
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};
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};
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networking.firewall.extraCommands = ''
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iptables -A PREROUTING -t nat -i ${ext-if} -p tcp --dport 411 -j REDIRECT --to-port 1511
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'';
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systemd.services.uhub-home.serviceConfig = {
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PrivateTmp = true;
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DynamicUser = lib.mkForce false;
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User = "uhub";
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WorkingDirectory = uhubDir;
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PermissionsStartOnly = true;
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ExecStartPre = pkgs.writeDash "uhub-pre" ''
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cp -f ${toString <secrets/wildcard.krebsco.de.crt>} ${uhubDir}/uhub.crt
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cp -f ${toString <secrets/wildcard.krebsco.de.key>} ${uhubDir}/uhub.key
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if test -d ${uhubDir};then
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echo "Directory ${uhubDir} already exists, skipping db init"
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else
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echo "Copying sql user db"
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cp ${toString <secrets/uhub.sql>} ${uhubDir}/uhub.sql
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fi
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chown -R uhub ${uhubDir}
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'';
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};
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users.users.uhub = {
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home = uhubDir;
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createHome = true;
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isSystemUser = true;
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group = "uhub";
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};
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users.groups.uhub = {};
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services.uhub.home = {
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enable = true;
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enableTLS = true;
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settings = {
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server_port = 1511;
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server_bind_addr = "any";
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hub_name = "krebshub";
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tls_certificate = "${uhubDir}/uhub.crt";
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tls_private_key = "${uhubDir}/uhub.key";
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registered_users_only = true;
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};
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plugins = [
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{
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plugin = "${pkgs.uhub}/plugins/mod_auth_sqlite.so";
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settings.file = "${uhubDir}/uhub.sql";
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}
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{
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plugin = "${pkgs.uhub}/plugins/mod_welcome.so";
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settings.motd = toString (pkgs.writeText "motd" "shareit");
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settings.rules = toString (pkgs.writeText "rules" "1. Don't be an asshole");
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}
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{
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plugin = "${pkgs.uhub}/plugins/mod_chat_history.so";
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settings = {};
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}
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];
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};
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networking.firewall.allowedTCPPorts = [ 411 1511 ];
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}
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