nixos-config/components/nixos/boot/tor.nix

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2024-08-08 01:12:10 +02:00
{ config, lib, pkgs, factsGenerator, clanLib, ... }:
with lib;
with types;
{
options.components.nixos.boot.tor = {
enable = lib.mkOption {
type = lib.types.bool;
default = false;
};
};
config = mkMerge [
# todo : not working at the moment, because onion hostnames are secrets
#(
# let
# onionIds = clanLib.readFactFromAllMachines "tor.initrd.hostname";
# generateOnionUnlockScript = machine: onionId: pkgs.writers.writeDashBin "unlock-boot-${machine}-via-tor" ''
# ${pkgs.tor}/bin/torify ${pkgs.openssh}/bin/ssh root@${onionId} -p 2222
# '';
# in
# {
# # add known hosts
# services.openssh.knownHosts =
# mapAttrs
# (_machine: onionId: {
# hostNames = [ "[${onionId}]:2222" ];
# })
# onionIds;
# # create unlook tor boot script
# environment.systemPackages =
# mapAttrsToList generateOnionUnlockScript onionIds;
# }
#)
# tor part
# --------
(mkIf (config.components.nixos.boot.tor.enable) {
# tor secrets
clan.core.facts.services."initrd.tor" = factsGenerator.tor {
name = "initrd";
addressPrefix = "init";
};
boot.initrd.secrets = {
"/etc/tor/onion/bootup/tor.priv" = config.clan.core.facts.services."initrd.tor".secret."tor.initrd.priv".path;
"/etc/tor/onion/bootup/hostname" = config.clan.core.facts.services."initrd.tor".secret."tor.initrd.hostname".path;
};
boot.initrd.systemd.storePaths = [
pkgs.tor
pkgs.iproute2
pkgs.coreutils
];
boot.initrd.systemd.contents = {
"/etc/tor/tor.rc".text = ''
DataDirectory /etc/tor
SOCKSPort 127.0.0.1:9050 IsolateDestAddr
SOCKSPort 127.0.0.1:9063
HiddenServiceDir /etc/tor/onion/bootup
HiddenServicePort 2222 127.0.0.1:2222
'';
};
boot.initrd.systemd.services.tor = {
description = "tor during init";
wantedBy = [ "initrd.target" ];
after = [ "network.target" "initrd-nixos-copy-secrets.service" ];
before = [ "shutdown.target" ];
conflicts = [ "shutdown.target" ];
unitConfig.DefaultDependencies = false;
path = [
pkgs.tor
pkgs.iproute2
pkgs.coreutils
];
script =
''
echo "tor: preparing onion folder"
# have to do this otherwise tor does not want to start
chmod -R 700 /etc/tor
echo "tor: starting tor"
tor -f /etc/tor/tor.rc --verify-config
tor -f /etc/tor/tor.rc
'';
};
})
];
}