126 lines
3.6 KiB
Nix
126 lines
3.6 KiB
Nix
let
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carolKey = "2d2a338b46f8e4a8c462f0c385b481292a05f678e19a2b82755258cf0f0af7e2";
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carolPubKey = "n932l3pjvmhtxxcdrqq2qpw5zc58f01vvjx01h4dtd1bb0nnu2h0.k";
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carolPassword = "678287829ce4c67bc8b227e56d94422ee1b85fa11618157b2f591de6c6322b52";
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carolIp4 = "192.168.0.9";
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basicConfig =
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{ config, pkgs, ... }:
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{ services.cjdns.enable = true;
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# Turning off DHCP isn't very realistic but makes
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# the sequence of address assignment less stochastic.
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networking.useDHCP = false;
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networking.interfaces.eth1.prefixLength = 24;
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# CJDNS output is incompatible with the XML log.
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systemd.services.cjdns.serviceConfig.StandardOutput = "null";
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#networking.firewall.enable = true;
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networking.firewall.allowPing = true;
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#networking.firewall.rejectPackets = true;
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};
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in
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import ./make-test.nix ({ pkgs, ...} : {
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name = "cjdns";
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meta = with pkgs.stdenv.lib.maintainers; {
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maintainers = [ ehmry ];
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};
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nodes = rec
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{ # Alice finds peers over over ETHInterface.
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alice =
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{ config, ... }:
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{ imports = [ basicConfig ];
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services.cjdns.ETHInterface.bind = "eth1";
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services.httpd.enable = true;
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services.httpd.adminAddr = "foo@example.org";
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networking.firewall.allowedTCPPorts = [ 80 ];
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};
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# Bob explicitly connects to Carol over UDPInterface.
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bob =
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{ config, lib, nodes, ... }:
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let carolIp4 = lib.mkForce nodes.carol.config.networking.interfaces.eth1; in
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{ imports = [ basicConfig ];
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networking.interfaces.eth1.ipAddress = "192.168.0.2";
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services.cjdns =
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{ UDPInterface =
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{ bind = "0.0.0.0:1024";
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connectTo."192.168.0.1:1024}" =
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{ password = carolPassword;
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publicKey = carolPubKey;
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hostname = "carol";
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};
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};
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};
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};
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# Carol listens on ETHInterface and UDPInterface,
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# but knows neither Alice or Bob.
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carol =
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{ config, lib, nodes, ... }:
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let
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carolIp4 = (lib.mkForce nodes.carol.config.networking.interfaces.eth1);
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in
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{ imports = [ basicConfig ];
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environment.etc."cjdns.keys".text = ''
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CJDNS_PRIVATE_KEY=${carolKey}
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CJDNS_ADMIN_PASSWORD=FOOBAR
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'';
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networking.interfaces.eth1.ipAddress = "192.168.0.1";
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services.cjdns =
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{ authorizedPasswords = [ carolPassword ];
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ETHInterface.bind = "eth1";
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UDPInterface.bind = "192.168.0.1:1024";
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};
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networking.firewall.allowedUDPPorts = [ 1024 ];
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};
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};
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testScript =
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''
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startAll;
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$alice->waitForUnit("cjdns.service");
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$bob->waitForUnit("cjdns.service");
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$carol->waitForUnit("cjdns.service");
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sub cjdnsIp {
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my ($machine) = @_;
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my $ip = (split /[ \/]+/, $machine->succeed("ip -o -6 addr show dev tun0"))[3];
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$machine->log("has ip $ip");
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return $ip;
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}
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my $aliceIp6 = cjdnsIp $alice;
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my $bobIp6 = cjdnsIp $bob;
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my $carolIp6 = cjdnsIp $carol;
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# ping a few times each to let the routing table establish itself
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$alice->succeed("ping6 -c 4 $carolIp6");
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$bob->succeed("ping6 -c 4 $carolIp6");
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$carol->succeed("ping6 -c 4 $aliceIp6");
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$carol->succeed("ping6 -c 4 $bobIp6");
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$alice->succeed("ping6 -c 4 $bobIp6");
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$bob->succeed("ping6 -c 4 $aliceIp6");
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$alice->waitForUnit("httpd.service");
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$bob->succeed("curl --fail -g http://[$aliceIp6]");
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'';
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})
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