pyrox.dev
1{ lib, pkgs, ... }:
2let
3 passphrase = "secret";
4
5 debugPackages = with pkgs; [
6 coreutils-prefixed
7 toybox
8
9 micro
10 nano
11 ];
12in
13{
14 name = "systemd-initrd-luks-unl0kr";
15 meta = {
16 maintainers = [ ];
17 };
18
19 # TODO: Fix OCR: #302965
20 # enableOCR = true;
21
22 nodes.machine =
23 { pkgs, ... }:
24 {
25 virtualisation = {
26 emptyDiskImages = [
27 512
28 512
29 ];
30 useBootLoader = true;
31 mountHostNixStore = true;
32 useEFIBoot = true;
33 qemu.options = [
34 "-vga virtio"
35 ];
36 };
37 boot.loader.systemd-boot.enable = true;
38
39 boot.kernelParams = [
40 "rd.systemd.debug_shell"
41 ];
42
43 environment.systemPackages =
44 with pkgs;
45 [
46 cryptsetup
47 ]
48 ++ debugPackages;
49 boot.initrd = {
50 systemd = {
51 enable = true;
52 emergencyAccess = true;
53
54 storePaths = debugPackages;
55 };
56 unl0kr = {
57 enable = true;
58
59 settings = {
60 general.backend = "drm";
61 # TODO: Fix OCR. See above.
62 # theme.default = "adwaita-dark"; # Improves contrast quite a bit, helpful for OCR.
63 };
64 };
65 };
66
67 specialisation.boot-luks.configuration = {
68 testing.initrdBackdoor = true;
69 boot.initrd.luks.devices = lib.mkVMOverride {
70 # We have two disks and only type one password - key reuse is in place
71 cryptroot.device = "/dev/vdb";
72 cryptroot2.device = "/dev/vdc";
73 };
74 virtualisation.rootDevice = "/dev/mapper/cryptroot";
75 virtualisation.fileSystems."/".autoFormat = true;
76 # test mounting device unlocked in initrd after switching root
77 virtualisation.fileSystems."/cryptroot2".device = "/dev/mapper/cryptroot2";
78 };
79 };
80
81 testScript = ''
82 # Create encrypted volume
83 machine.wait_for_unit("multi-user.target")
84 machine.succeed("echo -n ${passphrase} | cryptsetup luksFormat -q --iter-time=1 /dev/vdb -")
85 machine.succeed("echo -n ${passphrase} | cryptsetup luksFormat -q --iter-time=1 /dev/vdc -")
86 machine.succeed("echo -n ${passphrase} | cryptsetup luksOpen -q /dev/vdc cryptroot2")
87 machine.succeed("mkfs.ext4 /dev/mapper/cryptroot2")
88
89 # Boot from the encrypted disk
90 machine.succeed("bootctl set-default nixos-generation-1-specialisation-boot-luks.conf")
91 machine.succeed("sync")
92 machine.crash()
93
94 # Boot and decrypt the disk. This part of the test is SLOW.
95 machine.start()
96 machine.wait_for_unit("unl0kr-agent.service")
97 machine.screenshot("prompt")
98 machine.send_chars("${passphrase}")
99 machine.screenshot("pw")
100 machine.send_chars("\n")
101 machine.switch_root()
102 machine.wait_for_unit("multi-user.target")
103
104 assert "/dev/mapper/cryptroot on / type ext4" in machine.succeed("mount"), "/dev/mapper/cryptroot do not appear in mountpoints list"
105 assert "/dev/mapper/cryptroot2 on /cryptroot2 type ext4" in machine.succeed("mount")
106 '';
107}