134 lines
3.4 KiB
Nix
134 lines
3.4 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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basicConfig =
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{ ... }:
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{
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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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# CJDNS output is incompatible with the XML log.
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systemd.services.cjdns.serviceConfig.StandardOutput = "null";
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};
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in
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import ./make-test-python.nix (
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{ pkgs, ... }:
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{
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name = "cjdns";
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meta = with pkgs.lib.maintainers; {
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maintainers = [ ehmry ];
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};
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nodes = {
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# Alice finds peers over over ETHInterface.
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alice =
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{ ... }:
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{
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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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{ ... }:
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{
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imports = [ basicConfig ];
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networking.interfaces.eth1.ipv4.addresses = [
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{
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address = "192.168.0.2";
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prefixLength = 24;
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}
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];
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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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};
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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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{ ... }:
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{
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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.ipv4.addresses = [
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{
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address = "192.168.0.1";
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prefixLength = 24;
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}
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];
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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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import re
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start_all()
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alice.wait_for_unit("cjdns.service")
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bob.wait_for_unit("cjdns.service")
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carol.wait_for_unit("cjdns.service")
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def cjdns_ip(machine):
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res = machine.succeed("ip -o -6 addr show dev tun0")
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ip = re.split("\s+|/", res)[3]
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machine.log("has ip {}".format(ip))
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return ip
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alice_ip6 = cjdns_ip(alice)
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bob_ip6 = cjdns_ip(bob)
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carol_ip6 = cjdns_ip(carol)
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# ping a few times each to let the routing table establish itself
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alice.succeed("ping -c 4 {}".format(carol_ip6))
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bob.succeed("ping -c 4 {}".format(carol_ip6))
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carol.succeed("ping -c 4 {}".format(alice_ip6))
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carol.succeed("ping -c 4 {}".format(bob_ip6))
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alice.succeed("ping -c 4 {}".format(bob_ip6))
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bob.succeed("ping -c 4 {}".format(alice_ip6))
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alice.wait_for_unit("httpd.service")
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bob.succeed("curl --fail -g http://[{}]".format(alice_ip6))
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'';
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}
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)
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