110 lines
3.9 KiB
Nix
110 lines
3.9 KiB
Nix
let
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common = { pkgs, ... }: {
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networking.firewall.enable = false;
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networking.useDHCP = false;
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# for a host utility with IPv6 support
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environment.systemPackages = [ pkgs.bind ];
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};
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in import ./make-test-python.nix ({ pkgs, ...} : {
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name = "nsd";
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meta = with pkgs.lib.maintainers; {
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maintainers = [ aszlig ];
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};
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nodes = {
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clientv4 = { lib, nodes, ... }: {
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imports = [ common ];
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networking.nameservers = lib.mkForce [
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(lib.head nodes.server.config.networking.interfaces.eth1.ipv4.addresses).address
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];
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networking.interfaces.eth1.ipv4.addresses = [
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{ address = "192.168.0.2"; prefixLength = 24; }
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];
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};
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clientv6 = { lib, nodes, ... }: {
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imports = [ common ];
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networking.nameservers = lib.mkForce [
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(lib.head nodes.server.config.networking.interfaces.eth1.ipv6.addresses).address
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];
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networking.interfaces.eth1.ipv4.addresses = [
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{ address = "dead:beef::2"; prefixLength = 24; }
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];
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};
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server = { lib, ... }: {
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imports = [ common ];
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networking.interfaces.eth1.ipv4.addresses = [
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{ address = "192.168.0.1"; prefixLength = 24; }
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];
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networking.interfaces.eth1.ipv6.addresses = [
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{ address = "dead:beef::1"; prefixLength = 64; }
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];
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services.nsd.enable = true;
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services.nsd.rootServer = true;
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services.nsd.interfaces = lib.mkForce [];
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services.nsd.keys."tsig.example.com." = {
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algorithm = "hmac-sha256";
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keyFile = pkgs.writeTextFile { name = "tsig.example.com."; text = "aR3FJA92+bxRSyosadsJ8Aeeav5TngQW/H/EF9veXbc="; };
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};
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services.nsd.zones."example.com.".data = ''
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@ SOA ns.example.com noc.example.com 666 7200 3600 1209600 3600
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ipv4 A 1.2.3.4
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ipv6 AAAA abcd::eeff
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deleg NS ns.example.com
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ns A 192.168.0.1
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ns AAAA dead:beef::1
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'';
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services.nsd.zones."example.com.".provideXFR = [ "0.0.0.0 tsig.example.com." ];
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services.nsd.zones."deleg.example.com.".data = ''
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@ SOA ns.example.com noc.example.com 666 7200 3600 1209600 3600
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@ A 9.8.7.6
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@ AAAA fedc::bbaa
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'';
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services.nsd.zones.".".data = ''
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@ SOA ns.example.com noc.example.com 666 7200 3600 1209600 3600
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root A 1.8.7.4
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root AAAA acbd::4
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'';
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};
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};
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testScript = ''
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start_all()
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clientv4.wait_for_unit("network.target")
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clientv6.wait_for_unit("network.target")
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server.wait_for_unit("nsd.service")
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with subtest("server tsig.example.com."):
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expected_tsig = " secret: \"aR3FJA92+bxRSyosadsJ8Aeeav5TngQW/H/EF9veXbc=\"\n"
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tsig=server.succeed("cat /var/lib/nsd/private/tsig.example.com.")
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assert expected_tsig == tsig, f"Expected /var/lib/nsd/private/tsig.example.com. to contain '{expected_tsig}', but found '{tsig}'"
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def assert_host(type, rr, query, expected):
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self = clientv4 if type == 4 else clientv6
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out = self.succeed(f"host -{type} -t {rr} {query}").rstrip()
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self.log(f"output: {out}")
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import re
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assert re.search(
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expected, out
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), f"DNS IPv{type} query on {query} gave '{out}' instead of '{expected}'"
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for ipv in 4, 6:
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with subtest(f"IPv{ipv}"):
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assert_host(ipv, "a", "example.com", "has no [^ ]+ record")
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assert_host(ipv, "aaaa", "example.com", "has no [^ ]+ record")
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assert_host(ipv, "soa", "example.com", "SOA.*?noc\.example\.com")
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assert_host(ipv, "a", "ipv4.example.com", "address 1.2.3.4$")
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assert_host(ipv, "aaaa", "ipv6.example.com", "address abcd::eeff$")
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assert_host(ipv, "a", "deleg.example.com", "address 9.8.7.6$")
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assert_host(ipv, "aaaa", "deleg.example.com", "address fedc::bbaa$")
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assert_host(ipv, "a", "root", "address 1.8.7.4$")
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assert_host(ipv, "aaaa", "root", "address acbd::4$")
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'';
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})
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