1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
{ stdenv, rustPlatform, fetchgit, runCommand, symlinkJoin
, pkgconfig, minijail, dtc, libusb1, libcap
}:
let
upstreamInfo = with builtins; fromJSON (readFile ./upstream-info.json);
arch = with stdenv.hostPlatform;
if isAarch64 then "arm"
else if isx86_64 then "x86_64"
else throw "no seccomp policy files available for host platform";
# used to turn symlinks into real files because write permissions are necessary for the vendoring process
delink = src: runCommand "${src.name}-delinked" {
preferLocalBuild = true;
allowSubstitutes = false;
} ''
cp -prL --reflink=auto ${src} $out
'';
# used to place subtrees into the location they have in the Chromium monorepo
move = src: target: runCommand "moved-${src.name}" {
preferLocalBuild = true;
allowSubstitutes = false;
} ''
mkdir -p $(dirname $out/${target})
ln -s ${src} $out/${target}
'';
# used to check out subtrees from the Chromium monorepo
chromiumSource = name: subtrees: delink (symlinkJoin {
inherit name;
paths = stdenv.lib.mapAttrsToList (
location: { url, rev, sha256, fetchSubmodules, ... }:
move (fetchgit {
inherit url rev sha256 fetchSubmodules;
}) location) subtrees;
});
in
rustPlatform.buildRustPackage rec {
pname = "crosvm";
inherit (upstreamInfo) version;
src = chromiumSource "${pname}-sources" upstreamInfo.components;
sourceRoot = "${src.name}/chromiumos/platform/crosvm";
patches = [
./default-seccomp-policy-dir.patch
];
cargoSha256 = "16cfp79c13ng5jjcrvz00h3cg7cc9ywhjiq02vsm757knn9jgr1v";
nativeBuildInputs = [ pkgconfig ];
buildInputs = [ dtc libcap libusb1 minijail ];
postPatch = ''
sed -i "s|/usr/share/policy/crosvm/|$out/share/policy/|g" \
seccomp/*/*.policy
'';
preBuild = ''
export DEFAULT_SECCOMP_POLICY_DIR=$out/share/policy
'';
postInstall = ''
mkdir -p $out/share/policy/
cp seccomp/${arch}/* $out/share/policy/
'';
passthru.updateScript = ./update.py;
meta = with stdenv.lib; {
description = "A secure virtual machine monitor for KVM";
homepage = "https://chromium.googlesource.com/chromiumos/platform/crosvm/";
license = licenses.bsd3;
platforms = [ "aarch64-linux" "x86_64-linux" ];
};
}
|
