/* 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 "libtorrent/session.hpp" #include "test.hpp" #include "setup_transfer.hpp" #include "libtorrent/create_torrent.hpp" #include // for chmod #include "libtorrent/torrent_info.hpp" #include "libtorrent/torrent_status.hpp" #include "libtorrent/hex.hpp" // to_hex static const int file_sizes[] = { 5, 16 - 5, 16000, 17, 10, 8000, 8000, 1,1,1,1,1,100,1,1,1,1,100,1,1,1,1,1,1 ,1,1,1,1,1,1,13,65000,34,75,2,30,400,500,23000,900,43000,400,4300,6, 4}; const int num_files = sizeof(file_sizes)/sizeof(file_sizes[0]); enum { // make sure we don't accidentally require files to be writable just to // check their hashes read_only_files = 1, // make sure we detect corrupt files and mark the appropriate pieces // as not had corrupt_files = 2, incomplete_files = 4, }; void test_checking(int flags = read_only_files) { using namespace libtorrent; namespace lt = libtorrent; std::fprintf(stderr, "\n==== TEST CHECKING %s%s%s=====\n\n" , (flags & read_only_files) ? "read-only-files ":"" , (flags & corrupt_files) ? "corrupt ":"" , (flags & incomplete_files) ? "incomplete ":""); // make the files writable again for (int i = 0; i < num_files; ++i) { char name[1024]; std::snprintf(name, sizeof(name), "test%d", i); char dirname[200]; std::snprintf(dirname, sizeof(dirname), "test_dir%d", i / 5); std::string path = combine_path(combine_path("tmp1_checking", "test_torrent_dir"), dirname); path = combine_path(path, name); #ifdef TORRENT_WINDOWS SetFileAttributesA(path.c_str(), FILE_ATTRIBUTE_NORMAL); #else chmod(path.c_str(), S_IRUSR | S_IWUSR); #endif } // in case the previous run was terminated error_code ec; remove_all("tmp1_checking", ec); if (ec) std::fprintf(stderr, "ERROR: removing tmp1_checking: (%d) %s\n" , ec.value(), ec.message().c_str()); create_directory("tmp1_checking", ec); if (ec) std::fprintf(stderr, "ERROR: creating directory tmp1_checking: (%d) %s\n" , ec.value(), ec.message().c_str()); create_directory(combine_path("tmp1_checking", "test_torrent_dir"), ec); if (ec) std::fprintf(stderr, "ERROR: creating directory test_torrent_dir: (%d) %s\n" , ec.value(), ec.message().c_str()); file_storage fs; std::srand(10); int piece_size = 0x4000; create_random_files(combine_path("tmp1_checking", "test_torrent_dir") , file_sizes, num_files); add_files(fs, combine_path("tmp1_checking", "test_torrent_dir")); libtorrent::create_torrent t(fs, piece_size, 0x4000 , libtorrent::create_torrent::optimize_alignment); // calculate the hash for all pieces set_piece_hashes(t, "tmp1_checking", ec); if (ec) std::fprintf(stderr, "ERROR: set_piece_hashes: (%d) %s\n" , ec.value(), ec.message().c_str()); std::vector buf; bencode(std::back_inserter(buf), t.generate()); auto ti = std::make_shared(&buf[0], int(buf.size()), ec); std::fprintf(stderr, "generated torrent: %s tmp1_checking/test_torrent_dir\n" , aux::to_hex(ti->info_hash()).c_str()); // truncate every file in half if (flags & incomplete_files) { for (int i = 0; i < num_files; ++i) { char name[1024]; std::snprintf(name, sizeof(name), "test%d", i); char dirname[200]; std::snprintf(dirname, sizeof(dirname), "test_dir%d", i / 5); std::string path = combine_path(combine_path("tmp1_checking", "test_torrent_dir"), dirname); path = combine_path(path, name); error_code ec; file f(path, file::read_write, ec); if (ec) std::fprintf(stderr, "ERROR: opening file \"%s\": (%d) %s\n" , path.c_str(), ec.value(), ec.message().c_str()); f.set_size(file_sizes[i] / 2, ec); if (ec) std::fprintf(stderr, "ERROR: truncating file \"%s\": (%d) %s\n" , path.c_str(), ec.value(), ec.message().c_str()); } } // overwrite the files with new random data if (flags & corrupt_files) { std::fprintf(stderr, "corrupt file test. overwriting files\n"); // increase the size of some files. When they're read only that forces // the checker to open them in write-mode to truncate them static const int file_sizes2[] = { 5, 16 - 5, 16001, 30, 10, 8000, 8000, 1,1,1,1,1,100,1,1,1,1,100,1,1,1,1,1,1 ,1,1,1,1,1,1,13,65000,34,75,2,30,400,500,23000,900,43000,400,4300,6, 4}; create_random_files(combine_path("tmp1_checking", "test_torrent_dir"), file_sizes2, num_files); } // make the files read only if (flags & read_only_files) { std::fprintf(stderr, "making files read-only\n"); for (int i = 0; i < num_files; ++i) { char name[1024]; std::snprintf(name, sizeof(name), "test%d", i); char dirname[200]; std::snprintf(dirname, sizeof(dirname), "test_dir%d", i / 5); std::string path = combine_path(combine_path("tmp1_checking", "test_torrent_dir"), dirname); path = combine_path(path, name); std::fprintf(stderr, " %s\n", path.c_str()); #ifdef TORRENT_WINDOWS SetFileAttributesA(path.c_str(), FILE_ATTRIBUTE_READONLY); #else chmod(path.c_str(), S_IRUSR); #endif } } int mask = alert::all_categories & ~(alert::progress_notification | alert::performance_warning | alert::stats_notification); settings_pack pack; pack.set_bool(settings_pack::enable_lsd, false); pack.set_bool(settings_pack::enable_natpmp, false); pack.set_bool(settings_pack::enable_upnp, false); pack.set_bool(settings_pack::enable_dht, false); pack.set_int(settings_pack::alert_mask, mask); pack.set_str(settings_pack::listen_interfaces, "0.0.0.0:48000"); pack.set_int(settings_pack::max_retry_port_bind, 1000); lt::session ses1(pack); add_torrent_params p; p.save_path = "tmp1_checking"; p.ti = ti; torrent_handle tor1 = ses1.add_torrent(p, ec); TEST_CHECK(!ec); torrent_status st; for (int i = 0; i < 20; ++i) { print_alerts(ses1, "ses1"); st = tor1.status(); std::printf("%d %f %s\n", st.state, st.progress_ppm / 10000.f, st.errc.message().c_str()); if ( #ifndef TORRENT_NO_DEPRECATE st.state != torrent_status::queued_for_checking && #endif st.state != torrent_status::checking_files && st.state != torrent_status::checking_resume_data) break; if (st.errc) break; std::this_thread::sleep_for(lt::milliseconds(500)); } if (flags & incomplete_files) { TEST_CHECK(!st.is_seeding); std::this_thread::sleep_for(lt::milliseconds(500)); st = tor1.status(); TEST_CHECK(!st.is_seeding); } if (flags & corrupt_files) { TEST_CHECK(!st.is_seeding); if (flags & read_only_files) { // we expect our checking of the files to trigger // attempts to truncate them, since the files are // read-only here, we expect the checking to fail. TEST_CHECK(st.errc); if (st.errc) std::fprintf(stderr, "error: %s\n", st.errc.message().c_str()); // wait a while to make sure libtorrent survived the error std::this_thread::sleep_for(lt::milliseconds(1000)); st = tor1.status(); TEST_CHECK(!st.is_seeding); TEST_CHECK(st.errc); if (st.errc) std::fprintf(stderr, "error: %s\n", st.errc.message().c_str()); } else { TEST_CHECK(!st.errc); if (st.errc) std::fprintf(stderr, "error: %s\n", st.errc.message().c_str()); } } if ((flags & (incomplete_files | corrupt_files)) == 0) { TEST_CHECK(st.is_seeding); if (st.errc) std::fprintf(stderr, "error: %s\n", st.errc.message().c_str()); } // make the files writable again if (flags & read_only_files) { for (int i = 0; i < num_files; ++i) { char name[1024]; std::snprintf(name, sizeof(name), "test%d", i); char dirname[200]; std::snprintf(dirname, sizeof(dirname), "test_dir%d", i / 5); std::string path = combine_path(combine_path("tmp1_checking", "test_torrent_dir"), dirname); path = combine_path(path, name); #ifdef TORRENT_WINDOWS SetFileAttributesA(path.c_str(), FILE_ATTRIBUTE_NORMAL); #else chmod(path.c_str(), S_IRUSR | S_IWUSR); #endif } } remove_all("tmp1_checking", ec); if (ec) std::fprintf(stderr, "ERROR: removing tmp1_checking: (%d) %s\n" , ec.value(), ec.message().c_str()); } TORRENT_TEST(checking) { test_checking(); } TORRENT_TEST(read_only_corrupt) { test_checking(read_only_files | corrupt_files); } TORRENT_TEST(read_only) { test_checking(read_only_files); } TORRENT_TEST(incomplete) { test_checking(incomplete_files); } TORRENT_TEST(corrupt) { test_checking(corrupt_files); }