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selfhostblocks/test/vm/ssl.nix
2024-03-19 22:50:41 -07:00

197 lines
7.5 KiB
Nix

{ pkgs, lib, ... }:
let
pkgs' = pkgs;
in
{
test = pkgs.testers.runNixOSTest {
name = "ssl-test";
nodes.server = { config, pkgs, ... }: {
imports = [
(pkgs'.path + "/nixos/modules/profiles/headless.nix")
(pkgs'.path + "/nixos/modules/profiles/qemu-guest.nix")
../../modules/blocks/ssl.nix
];
users.users = {
user1 = {
group = "group1";
isSystemUser = true;
};
user2 = {
group = "group2";
isSystemUser = true;
};
};
users.groups = {
group1 = {};
group2 = {};
};
shb.certs = {
cas.selfsigned = {
myca = {
name = "My CA";
};
myotherca = {
name = "My Other CA";
};
};
certs.selfsigned = {
top = {
ca = config.shb.certs.cas.selfsigned.myca;
domain = "example.com";
group = "nginx";
};
subdomain = {
ca = config.shb.certs.cas.selfsigned.myca;
domain = "subdomain.example.com";
group = "nginx";
};
multi = {
ca = config.shb.certs.cas.selfsigned.myca;
domain = "multi1.example.com";
extraDomains = [ "multi2.example.com" "multi3.example.com" ];
group = "nginx";
};
cert1 = {
ca = config.shb.certs.cas.selfsigned.myca;
domain = "cert1.example.com";
};
cert2 = {
ca = config.shb.certs.cas.selfsigned.myca;
domain = "cert2.example.com";
group = "group2";
};
};
};
# The configuration below is to create a webserver that uses the server certificate.
networking.hosts."127.0.0.1" = [
"example.com"
"subdomain.example.com"
"wrong.example.com"
"multi1.example.com"
"multi2.example.com"
"multi3.example.com"
];
services.nginx.enable = true;
services.nginx.virtualHosts =
let
mkVirtualHost = response: cert: {
onlySSL = true;
sslCertificate = cert.paths.cert;
sslCertificateKey = cert.paths.key;
locations."/".extraConfig = ''
add_header Content-Type text/plain;
return 200 '${response}';
'';
};
in
{
"example.com" = mkVirtualHost "Top domain" config.shb.certs.certs.selfsigned.top;
"subdomain.example.com" = mkVirtualHost "Subdomain" config.shb.certs.certs.selfsigned.subdomain;
"multi1.example.com" = mkVirtualHost "multi1" config.shb.certs.certs.selfsigned.multi;
"multi2.example.com" = mkVirtualHost "multi2" config.shb.certs.certs.selfsigned.multi;
"multi3.example.com" = mkVirtualHost "multi3" config.shb.certs.certs.selfsigned.multi;
};
systemd.services.nginx = {
after = [ config.shb.certs.certs.selfsigned.top.systemdService config.shb.certs.certs.selfsigned.subdomain.systemdService ];
requires = [ config.shb.certs.certs.selfsigned.top.systemdService config.shb.certs.certs.selfsigned.subdomain.systemdService ];
};
};
# Taken from https://github.com/NixOS/nixpkgs/blob/7f311dd9226bbd568a43632c977f4992cfb2b5c8/nixos/tests/custom-ca.nix
testScript = { nodes, ... }:
let
myca = nodes.server.shb.certs.cas.selfsigned.myca;
myotherca = nodes.server.shb.certs.cas.selfsigned.myotherca;
top = nodes.server.shb.certs.certs.selfsigned.top;
subdomain = nodes.server.shb.certs.certs.selfsigned.subdomain;
multi = nodes.server.shb.certs.certs.selfsigned.multi;
cert1 = nodes.server.shb.certs.certs.selfsigned.cert1;
cert2 = nodes.server.shb.certs.certs.selfsigned.cert2;
cert3 = nodes.server.shb.certs.certs.selfsigned.cert3;
in
''
start_all()
# Make sure certs are generated.
server.wait_for_file("${myca.paths.key}")
server.wait_for_file("${myca.paths.cert}")
server.wait_for_file("${myotherca.paths.key}")
server.wait_for_file("${myotherca.paths.cert}")
server.wait_for_file("${top.paths.key}")
server.wait_for_file("${top.paths.cert}")
server.wait_for_file("${subdomain.paths.key}")
server.wait_for_file("${subdomain.paths.cert}")
server.wait_for_file("${multi.paths.key}")
server.wait_for_file("${multi.paths.cert}")
server.wait_for_file("${cert1.paths.key}")
server.wait_for_file("${cert1.paths.cert}")
server.wait_for_file("${cert2.paths.key}")
server.wait_for_file("${cert2.paths.cert}")
server.require_unit_state("${nodes.server.shb.certs.systemdService}", "inactive")
server.wait_for_unit("nginx")
server.wait_for_open_port(443)
def assert_owner(path, user, group):
owner = server.succeed("stat --format '%U:%G' {}".format(path)).strip();
want_owner = user + ":" + group
if owner != want_owner:
raise Exception('Unexpected owner for {}: wanted "{}", got: "{}"'.format(path, want_owner, owner))
def assert_perm(path, want_perm):
perm = server.succeed("stat --format '%a' {}".format(path)).strip();
if perm != want_perm:
raise Exception('Unexpected perm for {}: wanted "{}", got: "{}"'.format(path, want_perm, perm))
with subtest("Certificate is trusted in curl"):
resp = server.succeed("curl --fail-with-body -v https://example.com")
if resp != "Top domain":
raise Exception('Unexpected response, got: {}'.format(resp))
resp = server.succeed("curl --fail-with-body -v https://subdomain.example.com")
if resp != "Subdomain":
raise Exception('Unexpected response, got: {}'.format(resp))
resp = server.succeed("curl --fail-with-body -v https://multi1.example.com")
if resp != "multi1":
raise Exception('Unexpected response, got: {}'.format(resp))
resp = server.succeed("curl --fail-with-body -v https://multi2.example.com")
if resp != "multi2":
raise Exception('Unexpected response, got: {}'.format(resp))
resp = server.succeed("curl --fail-with-body -v https://multi3.example.com")
if resp != "multi3":
raise Exception('Unexpected response, got: {}'.format(resp))
with subtest("Certificate has correct permission"):
assert_owner("${cert1.paths.key}", "root", "root")
assert_owner("${cert1.paths.cert}", "root", "root")
assert_perm("${cert1.paths.key}", "640")
assert_perm("${cert1.paths.cert}", "640")
assert_owner("${cert2.paths.key}", "root", "group2")
assert_owner("${cert2.paths.cert}", "root", "group2")
assert_perm("${cert2.paths.key}", "640")
assert_perm("${cert2.paths.cert}", "640")
with subtest("Fail if certificate is not in CA bundle"):
server.fail("curl --cacert /etc/static/ssl/certs/ca-bundle.crt --fail-with-body -v https://example.com")
server.fail("curl --cacert /etc/static/ssl/certs/ca-bundle.crt --fail-with-body -v https://subdomain.example.com")
server.fail("curl --cacert /etc/static/ssl/certs/ca-certificates.crt --fail-with-body -v https://example.com")
server.fail("curl --cacert /etc/static/ssl/certs/ca-certificates.crt --fail-with-body -v https://subdomain.example.com")
'';
};
}