72 lines
2.2 KiB
Nix
72 lines
2.2 KiB
Nix
import ./make-test-python.nix ({ lib, pkgs, ... }: {
|
|
name = "systemd-initrd-luks-tpm2";
|
|
|
|
nodes.machine = { pkgs, ... }: {
|
|
# Use systemd-boot
|
|
virtualisation = {
|
|
emptyDiskImages = [ 512 ];
|
|
useBootLoader = true;
|
|
useEFIBoot = true;
|
|
qemu.options = ["-chardev socket,id=chrtpm,path=/tmp/mytpm1/swtpm-sock -tpmdev emulator,id=tpm0,chardev=chrtpm -device tpm-tis,tpmdev=tpm0"];
|
|
};
|
|
boot.loader.systemd-boot.enable = true;
|
|
|
|
boot.initrd.availableKernelModules = [ "tpm_tis" ];
|
|
|
|
environment.systemPackages = with pkgs; [ cryptsetup ];
|
|
boot.initrd.systemd = {
|
|
enable = true;
|
|
};
|
|
|
|
specialisation.boot-luks.configuration = {
|
|
boot.initrd.luks.devices = lib.mkVMOverride {
|
|
cryptroot = {
|
|
device = "/dev/vdb";
|
|
crypttabExtraOpts = [ "tpm2-device=auto" ];
|
|
};
|
|
};
|
|
virtualisation.rootDevice = "/dev/mapper/cryptroot";
|
|
};
|
|
};
|
|
|
|
testScript = ''
|
|
import subprocess
|
|
import os
|
|
import time
|
|
|
|
|
|
class Tpm:
|
|
def __init__(self):
|
|
os.mkdir("/tmp/mytpm1")
|
|
self.start()
|
|
|
|
def start(self):
|
|
self.proc = subprocess.Popen(["${pkgs.swtpm}/bin/swtpm", "socket", "--tpmstate", "dir=/tmp/mytpm1", "--ctrl", "type=unixio,path=/tmp/mytpm1/swtpm-sock", "--log", "level=20", "--tpm2"])
|
|
|
|
def wait_for_death_then_restart(self):
|
|
while self.proc.poll() is None:
|
|
print("waiting for tpm to die")
|
|
time.sleep(1)
|
|
assert self.proc.returncode == 0
|
|
self.start()
|
|
|
|
tpm = Tpm()
|
|
|
|
|
|
# Create encrypted volume
|
|
machine.wait_for_unit("multi-user.target")
|
|
machine.succeed("echo -n supersecret | cryptsetup luksFormat -q --iter-time=1 /dev/vdb -")
|
|
machine.succeed("PASSWORD=supersecret SYSTEMD_LOG_LEVEL=debug systemd-cryptenroll --tpm2-pcrs= --tpm2-device=auto /dev/vdb |& systemd-cat")
|
|
|
|
# Boot from the encrypted disk
|
|
machine.succeed("bootctl set-default nixos-generation-1-specialisation-boot-luks.conf")
|
|
machine.succeed("sync")
|
|
machine.crash()
|
|
|
|
tpm.wait_for_death_then_restart()
|
|
|
|
# Boot and decrypt the disk
|
|
machine.wait_for_unit("multi-user.target")
|
|
assert "/dev/mapper/cryptroot on / type ext4" in machine.succeed("mount")
|
|
'';
|
|
})
|