/* Copyright (c) 2015, Arvid Norberg All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of the author nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include "test.hpp" #include "create_torrent.hpp" #include "settings.hpp" #include "libtorrent/session.hpp" #include "libtorrent/deadline_timer.hpp" #include "libtorrent/settings_pack.hpp" #include "libtorrent/ip_filter.hpp" #include "libtorrent/alert_types.hpp" #include "libtorrent/aux_/proxy_settings.hpp" #include "libtorrent/settings_pack.hpp" #include "simulator/simulator.hpp" #include "simulator/socks_server.hpp" #include "setup_swarm.hpp" using namespace sim; namespace lt = libtorrent; enum flags_t { ipv6 = 1, }; template void run_test( Setup const& setup , HandleAlerts const& on_alert , Test const& test , int flags = 0) { using namespace libtorrent; lt::time_point start_time = lt::clock_type::now(); const bool use_ipv6 = flags & ipv6; char const* peer0_ip[2] = { "50.0.0.1", "feed:face:baad:f00d::1" }; char const* peer1_ip[2] = { "50.0.0.2", "feed:face:baad:f00d::2" }; using asio::ip::address; address peer0 = addr(peer0_ip[use_ipv6]); address peer1 = addr(peer1_ip[use_ipv6]); address proxy = (flags & ipv6) ? addr("2001::2") : addr("50.50.50.50"); // setup the simulation sim::default_config network_cfg; sim::simulation sim{network_cfg}; sim::asio::io_service ios0 { sim, peer0 }; sim::asio::io_service ios1 { sim, peer1 }; lt::session_proxy zombie[2]; sim::asio::io_service proxy_ios{sim, proxy }; sim::socks_server socks4(proxy_ios, 4444, 4); sim::socks_server socks5(proxy_ios, 5555, 5); // setup settings pack to use for the session (customization point) lt::settings_pack pack = settings(); // disable utp by default pack.set_bool(settings_pack::enable_outgoing_utp, false); pack.set_bool(settings_pack::enable_incoming_utp, false); // disable encryption by default pack.set_bool(settings_pack::prefer_rc4, false); pack.set_int(settings_pack::in_enc_policy, settings_pack::pe_disabled); pack.set_int(settings_pack::out_enc_policy, settings_pack::pe_disabled); pack.set_int(settings_pack::allowed_enc_level, settings_pack::pe_plaintext); pack.set_str(settings_pack::listen_interfaces, peer0_ip[use_ipv6] + std::string(":6881")); // create session std::shared_ptr ses[2]; ses[0] = std::make_shared(pack, ios0); pack.set_str(settings_pack::listen_interfaces, peer1_ip[use_ipv6] + std::string(":6881")); ses[1] = std::make_shared(pack, ios1); setup(*ses[0], *ses[1]); // only monitor alerts for session 0 (the downloader) ses[0]->set_alert_notify([&] { ios0.post([&] { std::vector alerts; ses[0]->pop_alerts(&alerts); for (lt::alert const* a : alerts) { printf("%-3d [0] %s\n", int(lt::duration_cast(a->timestamp() - start_time).count()), a->message().c_str()); if (auto ta = alert_cast(a)) { ta->handle.connect_peer(lt::tcp::endpoint(peer1, 6881)); } // call the user handler on_alert(*ses[0], a); } } ); } ); ses[1]->set_alert_notify([&] { ios0.post([&] { std::vector alerts; ses[1]->pop_alerts(&alerts); for (lt::alert const* a : alerts) { printf("%-3d [1] %s\n", int(lt::duration_cast(a->timestamp() - start_time).count()), a->message().c_str()); } } ); } ); // the first peer is a downloader, the second peer is a seed lt::add_torrent_params params = create_torrent(1); params.flags &= ~lt::add_torrent_params::flag_auto_managed; params.flags &= ~lt::add_torrent_params::flag_paused; params.save_path = save_path(0); ses[0]->async_add_torrent(params); params.save_path = save_path(1); ses[1]->async_add_torrent(params); lt::deadline_timer timer(ios0); timer.expires_from_now(lt::seconds(60)); timer.async_wait([&](lt::error_code const& ec) { test(ses); // shut down int idx = 0; for (auto& s : ses) { s->set_alert_notify([]{}); zombie[idx++] = s->abort(); s.reset(); } }); sim.run(); } void utp_only(lt::session& ses) { using namespace libtorrent; settings_pack p; utp_only(p); ses.apply_settings(p); } void enable_enc(lt::session& ses) { using namespace libtorrent; settings_pack p; enable_enc(p); ses.apply_settings(p); } void filter_ips(lt::session& ses) { using namespace libtorrent; ip_filter filter; filter.add_rule(asio::ip::address_v4::from_string("50.0.0.1") , asio::ip::address_v4::from_string("50.0.0.2"), ip_filter::blocked); ses.set_ip_filter(filter); } void set_proxy(lt::session& ses, int proxy_type, int flags = 0, bool proxy_peer_connections = true) { // apply the proxy settings to session 0 using namespace libtorrent; settings_pack p; p.set_int(settings_pack::proxy_type, proxy_type); if (proxy_type == settings_pack::socks4) p.set_int(settings_pack::proxy_port, 4444); else p.set_int(settings_pack::proxy_port, 5555); if (flags & ipv6) p.set_str(settings_pack::proxy_hostname, "2001::2"); else p.set_str(settings_pack::proxy_hostname, "50.50.50.50"); p.set_bool(settings_pack::proxy_hostnames, true); p.set_bool(settings_pack::proxy_peer_connections, proxy_peer_connections); p.set_bool(settings_pack::proxy_tracker_connections, true); ses.apply_settings(p); } TORRENT_TEST(socks4_tcp) { using namespace libtorrent; run_test( [](lt::session& ses0, lt::session& ses1) { set_proxy(ses0, settings_pack::socks4); filter_ips(ses1); }, [](lt::session& ses, lt::alert const* alert) {}, [](std::shared_ptr ses[2]) { TEST_EQUAL(is_seed(*ses[0]), true); } ); } TORRENT_TEST(socks5_tcp) { using namespace libtorrent; run_test( [](lt::session& ses0, lt::session& ses1) { set_proxy(ses0, settings_pack::socks5); filter_ips(ses1); }, [](lt::session& ses, lt::alert const* alert) {}, [](std::shared_ptr ses[2]) { TEST_EQUAL(is_seed(*ses[0]), true); } ); } TORRENT_TEST(encryption_tcp) { using namespace libtorrent; run_test( [](lt::session& ses0, lt::session& ses1) { enable_enc(ses0); enable_enc(ses1); }, [](lt::session& ses, lt::alert const* alert) {}, [](std::shared_ptr ses[2]) { TEST_EQUAL(is_seed(*ses[0]), true); } ); } TORRENT_TEST(no_proxy_tcp_ipv6) { using namespace libtorrent; run_test( [](lt::session& ses0, lt::session& ses1) {}, [](lt::session& ses, lt::alert const* alert) {}, [](std::shared_ptr ses[2]) { TEST_EQUAL(is_seed(*ses[0]), true); }, ipv6 ); } TORRENT_TEST(no_proxy_utp_ipv6) { using namespace libtorrent; run_test( [](lt::session& ses0, lt::session& ses1) {}, [](lt::session& ses, lt::alert const* alert) {}, [](std::shared_ptr ses[2]) { TEST_EQUAL(is_seed(*ses[0]), true); }, ipv6 ); } // TODO: the socks server does not support IPv6 addresses yet /* TORRENT_TEST(socks5_tcp_ipv6) { using namespace libtorrent; run_test( [](lt::session& ses0, lt::session& ses1) { set_proxy(ses0, settings_pack::socks5); filter_ips(ses1); }, [](lt::session& ses, lt::alert const* alert) {}, [](std::shared_ptr ses[2]) { TEST_EQUAL(is_seed(*ses[0]), true); }, ipv6 ); } */ TORRENT_TEST(no_proxy_tcp) { using namespace libtorrent; run_test( [](lt::session& ses0, lt::session& ses1) {}, [](lt::session& ses, lt::alert const* alert) {}, [](std::shared_ptr ses[2]) { TEST_EQUAL(is_seed(*ses[0]), true); } ); } TORRENT_TEST(no_proxy_utp) { using namespace libtorrent; run_test( [](lt::session& ses0, lt::session& ses1) {}, [](lt::session& ses, lt::alert const* alert) {}, [](std::shared_ptr ses[2]) { TEST_EQUAL(is_seed(*ses[0]), true); } ); } // TODO: the socks server does not support UDP yet /* TORRENT_TEST(encryption_utp) { using namespace libtorrent; run_test( [](lt::session& ses0, lt::session& ses1) { enable_enc(ses0); enable_enc(ses1); utp_only(ses0); }, [](lt::session& ses, lt::alert const* alert) {}, [](std::shared_ptr ses[2]) { TEST_EQUAL(is_seed(*ses[0]), true); } ); } TORRENT_TEST(socks5_utp) { using namespace libtorrent; run_test( [](lt::session& ses0, lt::session& ses1) { set_proxy(ses0, settings_pack::socks5); utp_only(ses0); filter_ips(ses1); }, [](lt::session& ses, lt::alert const* alert) {}, [](std::shared_ptr ses[2]) { TEST_EQUAL(is_seed(*ses[0]), true); } ); } */ // the purpose of these tests is to make sure that the sessions can't actually // talk directly to each other. i.e. they are negative tests. If they can talk // directly to each other, all other tests in here may be broken. TORRENT_TEST(no_proxy_tcp_banned) { using namespace libtorrent; run_test( [](lt::session& ses0, lt::session& ses1) { filter_ips(ses1); }, [](lt::session& ses, lt::alert const* alert) {}, [](std::shared_ptr ses[2]) { TEST_EQUAL(is_seed(*ses[0]), false); } ); } TORRENT_TEST(no_proxy_utp_banned) { using namespace libtorrent; run_test( [](lt::session& ses0, lt::session& ses1) { filter_ips(ses1); }, [](lt::session& ses, lt::alert const* alert) {}, [](std::shared_ptr ses[2]) { TEST_EQUAL(is_seed(*ses[0]), false); } ); }