palo/nixos-config
palo/nixos-config
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made tor work

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Ingolf Wagner 2024-08-08 01:12:10 +02:00
parent f411567ad6
commit 8327f1860d
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GPG key ID: 76BF5F1928B9618B
4 changed files with 99 additions and 100 deletions
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1
components/nixos/boot/default.nix
View file

@ -3,6 +3,7 @@
imports = [
./ssh.nix
./tor.nix
];
options.components.nixos.boot.enable = lib.mkOption {

100
components/nixos/boot/tor-ssh.nix
View file

@ -1,100 +0,0 @@
{ config, lib, pkgs, factsGenerator, clanLib, ... }:
with lib;
with types;
{
options.components.nixos.boot = {
enable = lib.mkOption {
type = lib.types.bool;
default = false;
};
tor.enable = lib.mkOption {
type = lib.types.bool;
default = config.components.nixos.boot.ssh.enable;
};
};
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) {
#services.tor = {
# enable = true;
# client.enable = true;
# relay.onionServices.bootup.map = [{ port = 2222; }];
#};
# tor setup
clan.core.facts.services.initrd_tor = factsGenerator.tor { name = ""; };
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.extraUtilsCommands = ''
# copy_bin_and_libs ${pkgs.tor}/bin/tor
#'';
# fixme: this thing is not working for some reason.
boot.initrd.systemd.packages = [ pkgs.tor pkgs.iproute2 pkgs.coreutils ];
boot.initrd.systemd.services.tor = {
path = [ pkgs.tor pkgs.iproute2 pkgs.coreutils ];
# todo: set wanted by
script =
let
torRc = pkgs.writeText "tor.rc" ''
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
'';
in
''
echo "tor: preparing onion folder"
# have to do this otherwise tor does not want to start
chmod -R 700 /etc/tor
echo "make sure localhost is up"
ip a a 127.0.0.1/8 dev lo
ip link set lo up
echo "tor: starting tor"
tor -f ${torRc} --verify-config
tor -f ${torRc}
'';
};
})
];
}

95
components/nixos/boot/tor.nix Normal file
View file

@ -0,0 +1,95 @@
{ 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
'';
};
})
];
}

3
machines/probe/configuration.nix
View file

@ -12,6 +12,9 @@
components.nixos.boot.enable = true;
components.nixos.boot.ssh.enable = true;
components.nixos.boot.tor.enable = true;
components.monitor.enable = false;
networking.hostName = "probe";
users.users.root.openssh.authorizedKeys.keys = [ "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJkqVvuJSvRMO5pG2CHNNBxjB7HlJudK4TQs3BhbOWOD" ];