/* Copyright (c) 2013, 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 "test.hpp" #include "setup_transfer.hpp" #include "dht_server.hpp" #include "peer_server.hpp" #include "udp_tracker.hpp" #include "test_utils.hpp" #include "settings.hpp" #include "libtorrent/alert.hpp" #include "libtorrent/random.hpp" #include "libtorrent/alert_types.hpp" #include "libtorrent/torrent_info.hpp" #include using namespace libtorrent; namespace lt = libtorrent; char const* proxy_name[] = { "none", "socks4", "socks5", "socks5_pw", "http", "http_pw", "i2p_proxy" }; std::vector rejected_trackers; bool alert_predicate(libtorrent::alert const* a) { anonymous_mode_alert const* am = alert_cast(a); if (am == nullptr) return false; if (am->kind == anonymous_mode_alert::tracker_not_anonymous) rejected_trackers.push_back(am->str); return false; } enum flags_t { force_proxy_mode = 1, expect_http_connection = 2, expect_udp_connection = 4, expect_http_reject = 8, expect_udp_reject = 16, expect_dht_msg = 32, expect_peer_connection = 64, expect_possible_udp_connection = 128, expect_possible_dht_msg = 256, }; session_proxy test_proxy(settings_pack::proxy_type_t proxy_type, int flags) { #ifdef TORRENT_DISABLE_DHT // if DHT is disabled, we won't get any requests to it flags &= ~expect_dht_msg; #endif std::fprintf(stderr, "\n=== TEST == proxy: %s anonymous-mode: %s\n\n", proxy_name[proxy_type], (flags & force_proxy_mode) ? "yes" : "no"); int http_port = start_web_server(); int udp_port = start_udp_tracker(); int dht_port = start_dht(); int peer_port = start_peer(); int prev_udp_announces = num_udp_announces(); int const alert_mask = alert::all_categories & ~alert::progress_notification & ~alert::stats_notification; settings_pack sett = settings(); sett.set_int(settings_pack::stop_tracker_timeout, 2); sett.set_int(settings_pack::tracker_completion_timeout, 2); sett.set_int(settings_pack::tracker_receive_timeout, 2); sett.set_bool(settings_pack::announce_to_all_trackers, true); sett.set_bool(settings_pack::announce_to_all_tiers, true); sett.set_bool(settings_pack::force_proxy, flags & force_proxy_mode); sett.set_int(settings_pack::alert_mask, alert_mask); sett.set_bool(settings_pack::enable_upnp, false); sett.set_bool(settings_pack::enable_natpmp, false); sett.set_bool(settings_pack::enable_lsd, false); sett.set_bool(settings_pack::enable_dht, true); // since multiple sessions may exist simultaneously (because of the // pipelining of the tests) they actually need to use different ports static int listen_port = 10000 + libtorrent::random(50000); char iface[200]; std::snprintf(iface, sizeof(iface), "127.0.0.1:%d", listen_port); listen_port += libtorrent::random(10) + 1; sett.set_str(settings_pack::listen_interfaces, iface); // if we don't do this, the peer connection test // will be delayed by several seconds, by first // trying uTP sett.set_bool(settings_pack::enable_outgoing_utp, false); // in non-anonymous mode we circumvent/ignore the proxy if it fails // wheras in anonymous mode, we just fail sett.set_str(settings_pack::proxy_hostname, "non-existing.com"); sett.set_int(settings_pack::proxy_type, (settings_pack::proxy_type_t)proxy_type); sett.set_int(settings_pack::proxy_port, 4444); lt::session* s = new lt::session(sett); error_code ec; remove_all("tmp1_privacy", ec); create_directory("tmp1_privacy", ec); std::ofstream file(combine_path("tmp1_privacy", "temporary").c_str()); std::shared_ptr t = ::create_torrent(&file, "temporary", 16 * 1024, 13, false); file.close(); char http_tracker_url[200]; std::snprintf(http_tracker_url, sizeof(http_tracker_url), "http://127.0.0.1:%d/announce", http_port); t->add_tracker(http_tracker_url, 0); char udp_tracker_url[200]; std::snprintf(udp_tracker_url, sizeof(udp_tracker_url), "udp://127.0.0.1:%d/announce", udp_port); t->add_tracker(udp_tracker_url, 1); add_torrent_params addp; addp.flags &= ~add_torrent_params::flag_paused; addp.flags &= ~add_torrent_params::flag_auto_managed; // we don't want to waste time checking the torrent, just go straight into // seeding it, announcing to trackers and connecting to peers addp.flags |= add_torrent_params::flag_seed_mode; addp.ti = t; addp.save_path = "tmp1_privacy"; addp.dht_nodes.push_back(std::pair("127.0.0.1", dht_port)); torrent_handle h = s->add_torrent(addp); std::printf("connect_peer: 127.0.0.1:%d\n", peer_port); h.connect_peer(tcp::endpoint(address_v4::from_string("127.0.0.1"), peer_port)); rejected_trackers.clear(); const int timeout = 20; for (int i = 0; i < timeout; ++i) { print_alerts(*s, "s", false, false, false, &alert_predicate); std::this_thread::sleep_for(lt::milliseconds(100)); if (num_udp_announces() >= prev_udp_announces + 1 && num_peer_hits() > 0) break; } // we should have announced to the tracker by now if (flags & expect_possible_udp_connection) { // this flag is true if we may fail open, but also might not have had // enough time to fail yet TEST_CHECK(num_udp_announces() == prev_udp_announces || num_udp_announces() == prev_udp_announces + 1); } else { TEST_EQUAL(num_udp_announces(), prev_udp_announces + ((flags & expect_udp_connection) != 0 ? 1 : 0)); } if (flags & expect_possible_udp_connection) { // this flag is true if we may fail open, but also might not have had // enough time to fail yet TEST_CHECK(num_dht_hits() == 0 || num_dht_hits() == 1); } else { if (flags & expect_dht_msg) { TEST_CHECK(num_dht_hits() > 0); } else { TEST_EQUAL(num_dht_hits(), 0); } } if (flags & expect_peer_connection) { TEST_CHECK(num_peer_hits() > 0); } else { TEST_EQUAL(num_peer_hits(), 0); } if (flags & expect_udp_reject) TEST_CHECK(std::find(rejected_trackers.begin(), rejected_trackers.end(), udp_tracker_url) != rejected_trackers.end()); if (flags & expect_http_reject) TEST_CHECK(std::find(rejected_trackers.begin(), rejected_trackers.end(), http_tracker_url) != rejected_trackers.end()); std::fprintf(stderr, "%s: ~session\n", time_now_string()); session_proxy pr = s->abort(); delete s; stop_peer(); stop_dht(); stop_udp_tracker(); stop_web_server(); return pr; } // not using anonymous mode // UDP fails open if we can't connect to the proxy // or if the proxy doesn't support UDP TORRENT_TEST(no_proxy) { test_proxy(settings_pack::none, expect_udp_connection | expect_http_connection | expect_dht_msg | expect_peer_connection); } TORRENT_TEST(socks4) { test_proxy(settings_pack::socks4, expect_udp_connection | expect_dht_msg); } TORRENT_TEST(socks5) { test_proxy(settings_pack::socks5, expect_possible_udp_connection | expect_possible_dht_msg); } TORRENT_TEST(socks5_pw) { test_proxy(settings_pack::socks5_pw,expect_possible_udp_connection | expect_possible_dht_msg); } TORRENT_TEST(http) { test_proxy(settings_pack::http, expect_udp_connection | expect_dht_msg); } TORRENT_TEST(http_pt) { test_proxy(settings_pack::http_pw, expect_udp_connection | expect_dht_msg); } TORRENT_TEST(i2p) { test_proxy(settings_pack::i2p_proxy, expect_udp_connection | expect_dht_msg); } // using anonymous mode // anonymous mode doesn't require a proxy when one isn't configured. It could be // used with a VPN for instance. This will all changed in 1.0, where anonymous // mode is separated from force_proxy TORRENT_TEST(anon_no_proxy) { test_proxy(settings_pack::none, force_proxy_mode | expect_peer_connection); } TORRENT_TEST(anon_socks4) { test_proxy(settings_pack::socks4, force_proxy_mode | expect_udp_reject); } TORRENT_TEST(anon_socks5) { test_proxy(settings_pack::socks5, force_proxy_mode); } TORRENT_TEST(anon_socks5_pw) { test_proxy(settings_pack::socks5_pw, force_proxy_mode); } TORRENT_TEST(anon_http) { test_proxy(settings_pack::http, force_proxy_mode | expect_udp_reject); } TORRENT_TEST(anon_http_pw) { test_proxy(settings_pack::http_pw, force_proxy_mode | expect_udp_reject); } TORRENT_TEST(anon_i2p) { test_proxy(settings_pack::i2p_proxy, force_proxy_mode); }