62 lines
1.7 KiB
Nix
62 lines
1.7 KiB
Nix
{ config, pkgs, lib, ... }:
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{
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# Unlock LUKS disk over ssh
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boot.initrd.network.enable = true;
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boot.initrd.kernelModules = [ "e1000" "e1000e" "virtio_pci" "r8169" ];
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boot.initrd.network.ssh = {
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enable = true;
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port = 22;
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hostKeys = [
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"/secret/ssh_host_rsa_key"
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"/secret/ssh_host_ed25519_key"
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];
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authorizedKeys = config.users.users.googlebot.openssh.authorizedKeys.keys;
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};
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boot.initrd.postDeviceCommands = ''
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echo 'waiting for root device to be opened...'
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mkfifo /crypt-ramfs/passphrase
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echo /crypt-ramfs/passphrase >> /dev/null
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'';
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# Make machine accessable over tor for boot unlock
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boot.initrd.secrets = {
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"/etc/tor/onion/bootup" = /secret/onion;
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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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copy_bin_and_libs ${pkgs.haveged}/bin/haveged
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'';
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# start tor during boot process
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boot.initrd.network.postCommands = 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 22 127.0.0.1:22
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'');
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in ''
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# Add nice prompt for giving LUKS passphrase over ssh
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echo 'read -s -p "Unlock Passphrase: " passphrase && echo $passphrase > /crypt-ramfs/passphrase && exit' >> /root/.profile
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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 "haveged: starting haveged"
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haveged -F &
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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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system.stateVersion = "20.09";
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}
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