| 28 Jul 2022 |
raitobezarius | I will be working on this in 2-3 days FWIW | 16:04:23 |
Mic92 | In reply to @raitobezarius:matrix.org Well, there is the bootspec-secureboot project Thanks | 16:26:51 |
Mic92 | Is there a place to follow the progress of this? | 16:27:09 |
@grahamc:nixos.org | I've been using bootspec-secureboot for some time now to good effect, and I think raito is going to be doing more work there | 18:06:07 |
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raitobezarius | https://github.com/NixOS/nixpkgs/pull/189676 | 13:31:03 |
| 5 Sep 2022 |
@grahamc:nixos.org | attempt #3 :x | 01:22:12 |
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ElvishJerricco | Zhaofeng Li: So moving over here because it seems more relevant: That patch doesn't seem to apply to NixOS. Based on the Loaded initrd from command line option message you see when booting with systemd-boot, that code path in that patch doesn't seem to measure the initrd | 23:28:25 |
ElvishJerricco | which is odd. I dunno why you'd only measure one of those two branches. Either it's measured elsewhere or this is a kernel bug | 23:30:45 |
ElvishJerricco | Though honestly I guess it doesn't matter. The attacker can always override the cmdline if you're not using a UKI anyway. So UKI it is | 23:53:37 |
| 15 Sep 2022 |
Zhaofeng Li | In reply to @elvishjerricco:matrix.org Zhaofeng Li: So moving over here because it seems more relevant: That patch doesn't seem to apply to NixOS. Based on the Loaded initrd from command line option message you see when booting with systemd-boot, that code path in that patch doesn't seem to measure the initrd Wow, that's certainly very weird. What are those two code paths? | 01:16:07 |
ElvishJerricco | Zhaofeng Li: This branch does measure it, but this branch doesn't, which seems to be the one we hit with nixos | 01:18:00 |
Zhaofeng Li | Ah, so supplying initrd= via the cmdline doesn't trigger the measurement, awkward | 01:25:19 |
ElvishJerricco | and I can't imagine why they wouldn't want to measure it. It seems perfectly possible there | 01:25:40 |
ElvishJerricco | Like, just move the measurement call to after the if else if block or something | 01:26:25 |