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25bef2d8f9
The library does not depend on stdenv, that `stdenv` exposes `lib` is an artifact of the ancient origins of nixpkgs.
149 lines
4.5 KiB
Nix
149 lines
4.5 KiB
Nix
# This strongswan-swanctl test is based on:
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# https://www.strongswan.org/testing/testresults/swanctl/rw-psk-ipv4/index.html
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# https://github.com/strongswan/strongswan/tree/master/testing/tests/swanctl/rw-psk-ipv4
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#
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# The roadwarrior carol sets up a connection to gateway moon. The authentication
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# is based on pre-shared keys and IPv4 addresses. Upon the successful
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# establishment of the IPsec tunnels, the specified updown script automatically
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# inserts iptables-based firewall rules that let pass the tunneled traffic. In
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# order to test both tunnel and firewall, carol pings the client alice behind
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# the gateway moon.
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#
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# alice moon carol
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# eth1------vlan_0------eth1 eth2------vlan_1------eth1
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# 192.168.0.1 192.168.0.3 192.168.1.3 192.168.1.2
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#
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# See the NixOS manual for how to run this test:
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# https://nixos.org/nixos/manual/index.html#sec-running-nixos-tests-interactively
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import ./make-test-python.nix ({ pkgs, ...} :
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let
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allowESP = "iptables --insert INPUT --protocol ESP --jump ACCEPT";
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# Shared VPN settings:
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vlan0 = "192.168.0.0/24";
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carolIp = "192.168.1.2";
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moonIp = "192.168.1.3";
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version = 2;
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secret = "0sFpZAZqEN6Ti9sqt4ZP5EWcqx";
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esp_proposals = [ "aes128gcm128-x25519" ];
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proposals = [ "aes128-sha256-x25519" ];
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in {
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name = "strongswan-swanctl";
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meta.maintainers = with pkgs.lib.maintainers; [ basvandijk ];
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nodes = {
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alice = { ... } : {
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virtualisation.vlans = [ 0 ];
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networking = {
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dhcpcd.enable = false;
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defaultGateway = "192.168.0.3";
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};
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};
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moon = { config, ...} :
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let strongswan = config.services.strongswan-swanctl.package;
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in {
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virtualisation.vlans = [ 0 1 ];
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networking = {
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dhcpcd.enable = false;
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firewall = {
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allowedUDPPorts = [ 4500 500 ];
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extraCommands = allowESP;
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};
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nat = {
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enable = true;
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internalIPs = [ vlan0 ];
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internalInterfaces = [ "eth1" ];
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externalIP = moonIp;
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externalInterface = "eth2";
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};
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};
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environment.systemPackages = [ strongswan ];
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services.strongswan-swanctl = {
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enable = true;
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swanctl = {
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connections = {
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rw = {
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local_addrs = [ moonIp ];
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local.main = {
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auth = "psk";
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};
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remote.main = {
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auth = "psk";
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};
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children = {
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net = {
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local_ts = [ vlan0 ];
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updown = "${strongswan}/libexec/ipsec/_updown iptables";
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inherit esp_proposals;
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};
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};
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inherit version;
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inherit proposals;
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};
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};
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secrets = {
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ike.carol = {
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id.main = carolIp;
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inherit secret;
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};
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};
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};
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};
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};
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carol = { config, ...} :
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let strongswan = config.services.strongswan-swanctl.package;
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in {
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virtualisation.vlans = [ 1 ];
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networking = {
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dhcpcd.enable = false;
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firewall.extraCommands = allowESP;
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};
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environment.systemPackages = [ strongswan ];
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services.strongswan-swanctl = {
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enable = true;
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swanctl = {
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connections = {
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home = {
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local_addrs = [ carolIp ];
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remote_addrs = [ moonIp ];
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local.main = {
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auth = "psk";
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id = carolIp;
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};
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remote.main = {
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auth = "psk";
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id = moonIp;
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};
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children = {
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home = {
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remote_ts = [ vlan0 ];
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start_action = "trap";
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updown = "${strongswan}/libexec/ipsec/_updown iptables";
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inherit esp_proposals;
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};
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};
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inherit version;
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inherit proposals;
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};
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};
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secrets = {
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ike.moon = {
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id.main = moonIp;
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inherit secret;
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};
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};
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};
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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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carol.wait_until_succeeds("ping -c 1 alice")
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'';
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})
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