138 lines
3.9 KiB
Nix
138 lines
3.9 KiB
Nix
{ config, lib, pkgs, factsGenerator, clanLib, ... }:
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with lib;
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with types;
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{
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options.components.nixos.boot = {
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enable = lib.mkOption {
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type = lib.types.bool;
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default = false;
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};
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kernelModules = mkOption {
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type = listOf str;
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default = [ ];
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description =
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"lspci -v will tell you which kernel module is used for the ethernet interface";
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};
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ssh.enable = lib.mkOption {
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type = lib.types.bool;
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default = config.components.nixos.boot.enable;
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};
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tor.enable = lib.mkOption {
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type = lib.types.bool;
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default = config.components.nixos.boot.ssh.enable;
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};
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};
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config = mkMerge [
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# todo : not working at the moment, because onion hostnames are secrets
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(
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let
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onionIds = clanLib.readFactFromAllMachines "tor.initrd.hostname";
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generateOnionUnlockScript = machine: onionId: pkgs.writers.writeDashBin "unlock-boot-${machine}-via-tor" ''
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${pkgs.tor}/bin/torify ${pkgs.openssh}/bin/ssh root@${onionId} -p 2222
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'';
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in
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{
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# add known hosts
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services.openssh.knownHosts =
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mapAttrs
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(_machine: onionId: {
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hostNames = [ "[${onionId}]:2222" ];
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})
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onionIds;
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# create unlook tor boot script
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environment.systemPackages =
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mapAttrsToList generateOnionUnlockScript onionIds;
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}
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)
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# tor part
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# --------
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(mkIf (config.components.nixos.boot.tor.enable) {
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#services.tor = {
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# enable = true;
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# client.enable = true;
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# relay.onionServices.bootup.map = [{ port = 2222; }];
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#};
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# tor setup
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clan.core.facts.services.initrd_tor = factsGenerator.tor { name = "initrd"; };
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boot.initrd.secrets = {
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"/etc/tor/onion/bootup/tor.priv" = config.clan.core.facts.services.initrd_tor.secret."tor.initrd.priv".path;
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"/etc/tor/onion/bootup/hostname" = config.clan.core.facts.services.initrd_tor.secret."tor.initrd.hostname".path;
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};
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#boot.initrd.extraUtilsCommands = ''
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# copy_bin_and_libs ${pkgs.tor}/bin/tor
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#'';
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# fixme: this thing is not working for some reason.
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boot.initrd.systemd.packages = [ pkgs.tor pkgs.iproute2 pkgs.coreutils ];
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boot.initrd.systemd.services.tor = {
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path = [ pkgs.tor pkgs.iproute2 pkgs.coreutils ];
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# todo: set wanted by
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script =
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let
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torRc = pkgs.writeText "tor.rc" ''
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DataDirectory /etc/tor
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SOCKSPort 127.0.0.1:9050 IsolateDestAddr
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SOCKSPort 127.0.0.1:9063
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HiddenServiceDir /etc/tor/onion/bootup
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HiddenServicePort 2222 127.0.0.1:2222
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'';
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in
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''
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echo "tor: preparing onion folder"
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# have to do this otherwise tor does not want to start
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chmod -R 700 /etc/tor
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echo "make sure localhost is up"
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ip a a 127.0.0.1/8 dev lo
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ip link set lo up
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echo "tor: starting tor"
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tor -f ${torRc} --verify-config
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tor -f ${torRc}
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'';
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};
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})
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# ssh part
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# --------
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(mkIf (config.components.nixos.boot.ssh.enable) {
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# boot
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boot.initrd.systemd.enable = true;
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boot.initrd.systemd.contents."/etc/hostname".text = "unlock.${config.networking.hostName}";
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# network
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boot.initrd.systemd.network.enable = true;
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boot.initrd.availableKernelModules = config.components.nixos.boot.kernelModules;
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# ssh
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boot.initrd.network.enable = true;
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boot.initrd.network.ssh = {
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enable = true;
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#authorizedKeys = config.users.users.root.openssh.authorizedKeys.keys ;
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#authorizedKeyFiles = config.users.users.root.openssh.authorizedKeys.keyFiles;
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port = 2222;
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hostKeys = map ({ path, ... }: path) config.services.openssh.hostKeys;
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};
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})
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];
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}
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