/* Copyright (c) 2008, 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 "libtorrent/socket.hpp" #include "libtorrent/io.hpp" #include #include using namespace libtorrent; int read_message(stream_socket& s, char* buffer) { using namespace libtorrent::detail; error_code ec; libtorrent::asio::read(s, libtorrent::asio::buffer(buffer, 4), libtorrent::asio::transfer_all(), ec); if (ec) { std::cout << ec.message() << std::endl; exit(1); } char* ptr = buffer; int length = read_int32(ptr); libtorrent::asio::read(s, libtorrent::asio::buffer(buffer, length), libtorrent::asio::transfer_all(), ec); if (ec) { std::cout << ec.message() << std::endl; exit(1); } return length; } char const* message_name[] = {"choke", "unchoke", "interested", "not_interested" , "have", "bitfield", "request", "piece", "cancel", "dht_port", "", "", "" , "suggest_piece", "have_all", "have_none", "reject_request", "allowed_fast"}; void send_allow_fast(stream_socket& s, int piece) { std::cout << "send allow fast: " << piece << std::endl; using namespace libtorrent::detail; char msg[] = "\0\0\0\x05\x11\0\0\0\0"; char* ptr = msg + 5; write_int32(piece, ptr); error_code ec; libtorrent::asio::write(s, libtorrent::asio::buffer(msg, 9), libtorrent::asio::transfer_all(), ec); if (ec) { std::cout << ec.message() << std::endl; exit(1); } } void send_suggest_piece(stream_socket& s, int piece) { std::cout << "send suggest piece: " << piece << std::endl; using namespace libtorrent::detail; char msg[] = "\0\0\0\x05\x0d\0\0\0\0"; char* ptr = msg + 5; write_int32(piece, ptr); error_code ec; libtorrent::asio::write(s, libtorrent::asio::buffer(msg, 9), libtorrent::asio::transfer_all(), ec); if (ec) { std::cout << ec.message() << std::endl; exit(1); } } void send_unchoke(stream_socket& s) { std::cout << "send unchoke" << std::endl; char msg[] = "\0\0\0\x01\x01"; error_code ec; libtorrent::asio::write(s, libtorrent::asio::buffer(msg, 5), libtorrent::asio::transfer_all(), ec); if (ec) { std::cout << ec.message() << std::endl; exit(1); } } void do_handshake(stream_socket& s, sha1_hash const& ih, char* buffer) { char handshake[] = "\x13" "BitTorrent protocol\0\0\0\0\0\0\0\x04" " " // space for info-hash "aaaaaaaaaaaaaaaaaaaa" // peer-id "\0\0\0\x01\x0e"; // have_all std::cout << "send handshake" << std::endl; error_code ec; std::memcpy(handshake + 28, ih.begin(), 20); libtorrent::asio::write(s, libtorrent::asio::buffer(handshake, sizeof(handshake) - 1), libtorrent::asio::transfer_all(), ec); if (ec) { std::cout << ec.message() << std::endl; exit(1); } // read handshake libtorrent::asio::read(s, libtorrent::asio::buffer(buffer, 68), libtorrent::asio::transfer_all(), ec); if (ec) { std::cout << ec.message() << std::endl; exit(1); } std::cout << "received handshake" << std::endl; TEST_CHECK(buffer[0] == 19); TEST_CHECK(std::memcmp(buffer + 1, "BitTorrent protocol", 19) == 0); char* extensions = buffer + 20; // check for fast extension support TEST_CHECK(extensions[7] & 0x4); #ifndef TORRENT_DISABLE_EXTENSIONS // check for extension protocol support TEST_CHECK(extensions[5] & 0x10); #endif #ifndef TORRENT_DISABLE_DHT // check for DHT support TEST_CHECK(extensions[7] & 0x1); #endif TEST_CHECK(std::memcmp(buffer + 28, ih.begin(), 20) == 0); } // makes sure that pieces that are allowed and then // rejected aren't requested again void test_reject_fast() { boost::intrusive_ptr t = ::create_torrent(); sha1_hash ih = t->info_hash(); session ses1(fingerprint("LT", 0, 1, 0, 0), std::make_pair(48900, 49000), "0.0.0.0", 0); ses1.add_torrent(t, "./tmp1"); test_sleep(2000); io_service ios; stream_socket s(ios); error_code ec; s.connect(tcp::endpoint(address::from_string("127.0.0.1", ec), ses1.listen_port()), ec); char recv_buffer[1000]; do_handshake(s, ih, recv_buffer); std::vector allowed_fast; allowed_fast.push_back(0); allowed_fast.push_back(1); allowed_fast.push_back(2); allowed_fast.push_back(3); std::for_each(allowed_fast.begin(), allowed_fast.end() , bind(&send_allow_fast, boost::ref(s), _1)); while (!allowed_fast.empty()) { read_message(s, recv_buffer); int msg = recv_buffer[0]; if (msg >= 0 && msg < int(sizeof(message_name)/sizeof(message_name[0]))) std::cerr << message_name[msg] << std::endl; else std::cerr << msg << std::endl; if (recv_buffer[0] != 0x6) continue; using namespace libtorrent::detail; char* ptr = recv_buffer + 1; int piece = read_int32(ptr); std::vector::iterator i = std::find(allowed_fast.begin() , allowed_fast.end(), piece); TEST_CHECK(i != allowed_fast.end()); if (i != allowed_fast.end()) allowed_fast.erase(i); // send reject request recv_buffer[0] = 0x10; error_code ec; libtorrent::asio::write(s, libtorrent::asio::buffer("\0\0\0\x0d", 4), libtorrent::asio::transfer_all(), ec); if (ec) { std::cout << ec.message() << std::endl; exit(1); } libtorrent::asio::write(s, libtorrent::asio::buffer(recv_buffer, 13), libtorrent::asio::transfer_all(), ec); std::cout << ec.message() << std::endl; if (ec) { std::cout << ec.message() << std::endl; exit(1); } } } void test_respect_suggest() { boost::intrusive_ptr t = ::create_torrent(); sha1_hash ih = t->info_hash(); session ses1(fingerprint("LT", 0, 1, 0, 0), std::make_pair(48900, 49000), "0.0.0.0", 0); ses1.add_torrent(t, "./tmp1"); test_sleep(2000); io_service ios; error_code ec; stream_socket s(ios); s.connect(tcp::endpoint(address::from_string("127.0.0.1", ec), ses1.listen_port()), ec); char recv_buffer[1000]; do_handshake(s, ih, recv_buffer); std::vector suggested; suggested.push_back(0); suggested.push_back(1); suggested.push_back(2); suggested.push_back(3); std::for_each(suggested.begin(), suggested.end() , bind(&send_suggest_piece, boost::ref(s), _1)); send_unchoke(s); int fail_counter = 100; while (!suggested.empty() && fail_counter > 0) { read_message(s, recv_buffer); std::cerr << "msg: "; int msg = recv_buffer[0]; if (msg >= 0 && msg < int(sizeof(message_name)/sizeof(message_name[0]))) std::cerr << message_name[msg] << std::endl; else std::cerr << msg << std::endl; fail_counter--; if (recv_buffer[0] != 0x6) continue; using namespace libtorrent::detail; char* ptr = recv_buffer + 1; int piece = read_int32(ptr); std::vector::iterator i = std::find(suggested.begin() , suggested.end(), piece); TEST_CHECK(i != suggested.end()); if (i != suggested.end()) suggested.erase(i); // send reject request recv_buffer[0] = 0x10; error_code ec; libtorrent::asio::write(s, libtorrent::asio::buffer("\0\0\0\x0d", 4), libtorrent::asio::transfer_all(), ec); if (ec) { std::cout << ec.message() << std::endl; exit(1); } libtorrent::asio::write(s, libtorrent::asio::buffer(recv_buffer, 13), libtorrent::asio::transfer_all(), ec); if (ec) { std::cout << ec.message() << std::endl; exit(1); } } TEST_CHECK(fail_counter > 0); } int test_main() { test_reject_fast(); test_respect_suggest(); return 0; }