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|
{
system ? builtins.currentSystem,
pkgs ? import ../.. { inherit system; },
lib ? pkgs.lib,
}:
let
inherit (import ../lib/testing-python.nix { inherit system pkgs; }) makeTest;
nodeIP = n: n.networking.primaryIPAddress;
dnsZone =
nodes:
pkgs.writeText "agnos.test.zone" ''
$TTL 604800
@ IN SOA ns1.agnos.test. root.agnos.test. (
3 ; Serial
604800 ; Refresh
86400 ; Retry
2419200 ; Expire
604800 ) ; Negative Cache TTL
;
; name servers - NS records
IN NS ns1.agnos.test.
; name servers - A records
ns1.agnos.test. IN A ${nodeIP nodes.dnsserver}
agnos-ns.agnos.test. IN A ${nodeIP nodes.server}
_acme-challenge.a.agnos.test. IN NS agnos-ns.agnos.test.
_acme-challenge.b.agnos.test. IN NS agnos-ns.agnos.test.
_acme-challenge.c.agnos.test. IN NS agnos-ns.agnos.test.
_acme-challenge.d.agnos.test. IN NS agnos-ns.agnos.test.
'';
mkTest =
{
name,
extraServerConfig ? { },
checkFirewallClosed ? true,
}:
makeTest {
inherit name;
meta = {
maintainers = with lib.maintainers; [ justinas ];
};
nodes = {
# The fake ACME server which will respond to client requests
acme =
{ nodes, pkgs, ... }:
{
imports = [ ./common/acme/server ];
environment.systemPackages = [ pkgs.netcat ];
networking.nameservers = lib.mkForce [ (nodeIP nodes.dnsserver) ];
};
# A fake DNS server which points _acme-challenge subdomains to "server"
dnsserver =
{ nodes, ... }:
{
networking.firewall.allowedTCPPorts = [ 53 ];
networking.firewall.allowedUDPPorts = [ 53 ];
services.bind = {
cacheNetworks = [ "192.168.1.0/24" ];
enable = true;
extraOptions = ''
dnssec-validation no;
'';
zones."agnos.test" = {
file = dnsZone nodes;
master = true;
};
};
};
# The server using agnos to request certificates
server =
{ nodes, ... }:
{
imports = [ extraServerConfig ];
networking.extraHosts = ''
${nodeIP nodes.acme} acme.test
'';
security.agnos = {
enable = true;
generateKeys.enable = true;
persistent = false;
server = "https://acme.test/dir";
serverCa = ./common/acme/server/ca.cert.pem;
temporarilyOpenFirewall = true;
settings.accounts = [
{
email = "webmaster@agnos.test";
# account with an existing private key
private_key_path = "${./common/acme/server/acme.test.key.pem}";
certificates = [
{
domains = [ "a.agnos.test" ];
# Absolute paths
fullchain_output_file = "/tmp/a.agnos.test.crt";
key_output_file = "/tmp/a.agnos.test.key";
}
{
domains = [
"b.agnos.test"
"*.b.agnos.test"
];
# Relative paths
fullchain_output_file = "b.agnos.test.crt";
key_output_file = "b.agnos.test.key";
}
];
}
{
email = "webmaster2@agnos.test";
# account with a missing private key, should get generated
private_key_path = "webmaster2.key";
certificates = [
{
domains = [ "c.agnos.test" ];
# Absolute paths
fullchain_output_file = "/tmp/c.agnos.test.crt";
key_output_file = "/tmp/c.agnos.test.key";
}
{
domains = [
"d.agnos.test"
"*.d.agnos.test"
];
# Relative paths
fullchain_output_file = "d.agnos.test.crt";
key_output_file = "d.agnos.test.key";
}
];
}
];
};
};
};
testScript = ''
def check_firewall_closed(caller):
"""
Check that TCP port 53 is closed again.
Since we do not set `networking.firewall.rejectPackets`,
"timed out" indicates a closed port,
while "connection refused" (after agnos has shut down) indicates an open port.
"""
out = caller.fail("nc -v -z -w 1 server 53 2>&1")
assert "Connection timed out" in out
start_all()
acme.wait_for_unit('pebble.service')
server.wait_for_unit('default.target')
# Test that agnos.timer is scheduled
server.succeed("systemctl status agnos.timer")
server.succeed('systemctl start agnos.service')
expected_perms = "640 agnos agnos"
outputs = [
"/tmp/a.agnos.test.crt",
"/tmp/a.agnos.test.key",
"/var/lib/agnos/b.agnos.test.crt",
"/var/lib/agnos/b.agnos.test.key",
"/var/lib/agnos/webmaster2.key",
"/tmp/c.agnos.test.crt",
"/tmp/c.agnos.test.key",
"/var/lib/agnos/d.agnos.test.crt",
"/var/lib/agnos/d.agnos.test.key",
]
for o in outputs:
out = server.succeed(f"stat -c '%a %U %G' {o}").strip()
assert out == expected_perms, \
f"Expected mode/owner/group to be '{expected_perms}', but it was '{out}'"
${lib.optionalString checkFirewallClosed "check_firewall_closed(acme)"}
'';
};
in
{
iptables = mkTest {
name = "iptables";
};
nftables = mkTest {
name = "nftables";
extraServerConfig = {
networking.nftables.enable = true;
};
};
no-firewall = mkTest {
name = "no-firewall";
extraServerConfig = {
networking.firewall.enable = lib.mkForce false;
security.agnos.temporarilyOpenFirewall = lib.mkForce false;
};
checkFirewallClosed = false;
};
}
|
