/* Copyright (c) 2008-2015, 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 "test.hpp" #include "libtorrent/enum_net.hpp" #include "libtorrent/broadcast_socket.hpp" #include "libtorrent/address.hpp" #include "libtorrent/error_code.hpp" #include using namespace lt; using boost::none; TORRENT_TEST(is_local) { error_code ec; TEST_CHECK(is_local(address::from_string("192.168.0.1", ec))); TEST_CHECK(!ec); TEST_CHECK(is_local(address::from_string("10.1.1.56", ec))); TEST_CHECK(!ec); TEST_CHECK(!is_local(address::from_string("14.14.251.63", ec))); TEST_CHECK(!ec); } TORRENT_TEST(is_loopback) { error_code ec; TEST_CHECK(is_loopback(address::from_string("127.0.0.1", ec))); TEST_CHECK(!ec); if (supports_ipv6()) { TEST_CHECK(is_loopback(address::from_string("::1", ec))); TEST_CHECK(!ec); } } TORRENT_TEST(is_any) { TEST_CHECK(is_any(address_v4::any())); error_code ec; TEST_CHECK(!is_any(address::from_string("31.53.21.64", ec))); TEST_CHECK(!ec); if (supports_ipv6()) { TEST_CHECK(is_any(address_v6::any())); TEST_CHECK(!ec); } } TORRENT_TEST(match_addr_mask) { TEST_CHECK(match_addr_mask( address::from_string("10.0.1.176"), address::from_string("10.0.1.176"), address::from_string("255.255.255.0"))); TEST_CHECK(match_addr_mask( address::from_string("10.0.1.3"), address::from_string("10.0.3.3"), address::from_string("255.255.0.0"))); TEST_CHECK(!match_addr_mask( address::from_string("10.0.1.3"), address::from_string("10.1.3.3"), address::from_string("255.255.0.0"))); TEST_CHECK(match_addr_mask( address::from_string("ff00:1234::"), address::from_string("ff00:5678::"), address::from_string("ffff::"))); TEST_CHECK(!match_addr_mask( address::from_string("ff00:1234::"), address::from_string("ff00:5678::"), address::from_string("ffff:f000::"))); // different scope IDs always means a mismatch TEST_CHECK(!match_addr_mask( address::from_string("ff00:1234::%1"), address::from_string("ff00:1234::%2"), address::from_string("ffff::"))); } TORRENT_TEST(is_ip_address) { TEST_EQUAL(is_ip_address("1.2.3.4"), true); TEST_EQUAL(is_ip_address("a.b.c.d"), false); TEST_EQUAL(is_ip_address("a:b:b:c"), false); TEST_EQUAL(is_ip_address("::1"), true); TEST_EQUAL(is_ip_address("2001:db8:85a3:0:0:8a2e:370:7334"), true); } TORRENT_TEST(build_netmask_v4) { TEST_CHECK(build_netmask(0, AF_INET) == make_address("0.0.0.0")); TEST_CHECK(build_netmask(1, AF_INET) == make_address("128.0.0.0")); TEST_CHECK(build_netmask(2, AF_INET) == make_address("192.0.0.0")); TEST_CHECK(build_netmask(3, AF_INET) == make_address("224.0.0.0")); TEST_CHECK(build_netmask(4, AF_INET) == make_address("240.0.0.0")); TEST_CHECK(build_netmask(5, AF_INET) == make_address("248.0.0.0")); TEST_CHECK(build_netmask(6, AF_INET) == make_address("252.0.0.0")); TEST_CHECK(build_netmask(7, AF_INET) == make_address("254.0.0.0")); TEST_CHECK(build_netmask(8, AF_INET) == make_address("255.0.0.0")); TEST_CHECK(build_netmask(9, AF_INET) == make_address("255.128.0.0")); TEST_CHECK(build_netmask(10, AF_INET) == make_address("255.192.0.0")); TEST_CHECK(build_netmask(11, AF_INET) == make_address("255.224.0.0")); TEST_CHECK(build_netmask(22, AF_INET) == make_address("255.255.252.0")); TEST_CHECK(build_netmask(23, AF_INET) == make_address("255.255.254.0")); TEST_CHECK(build_netmask(24, AF_INET) == make_address("255.255.255.0")); TEST_CHECK(build_netmask(25, AF_INET) == make_address("255.255.255.128")); TEST_CHECK(build_netmask(26, AF_INET) == make_address("255.255.255.192")); TEST_CHECK(build_netmask(27, AF_INET) == make_address("255.255.255.224")); TEST_CHECK(build_netmask(28, AF_INET) == make_address("255.255.255.240")); TEST_CHECK(build_netmask(29, AF_INET) == make_address("255.255.255.248")); TEST_CHECK(build_netmask(30, AF_INET) == make_address("255.255.255.252")); TEST_CHECK(build_netmask(31, AF_INET) == make_address("255.255.255.254")); TEST_CHECK(build_netmask(32, AF_INET) == make_address("255.255.255.255")); } TORRENT_TEST(build_netmask_v6) { TEST_CHECK(build_netmask(0, AF_INET6) == make_address("::")); TEST_CHECK(build_netmask(1, AF_INET6) == make_address("8000::")); TEST_CHECK(build_netmask(2, AF_INET6) == make_address("c000::")); TEST_CHECK(build_netmask(3, AF_INET6) == make_address("e000::")); TEST_CHECK(build_netmask(4, AF_INET6) == make_address("f000::")); TEST_CHECK(build_netmask(5, AF_INET6) == make_address("f800::")); TEST_CHECK(build_netmask(6, AF_INET6) == make_address("fc00::")); TEST_CHECK(build_netmask(7, AF_INET6) == make_address("fe00::")); TEST_CHECK(build_netmask(8, AF_INET6) == make_address("ff00::")); TEST_CHECK(build_netmask(9, AF_INET6) == make_address("ff80::")); TEST_CHECK(build_netmask(10, AF_INET6) == make_address("ffc0::")); TEST_CHECK(build_netmask(11, AF_INET6) == make_address("ffe0::")); TEST_CHECK(build_netmask(119, AF_INET6) == make_address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fe00")); TEST_CHECK(build_netmask(120, AF_INET6) == make_address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ff00")); TEST_CHECK(build_netmask(121, AF_INET6) == make_address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ff80")); TEST_CHECK(build_netmask(122, AF_INET6) == make_address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffc0")); TEST_CHECK(build_netmask(123, AF_INET6) == make_address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffe0")); TEST_CHECK(build_netmask(124, AF_INET6) == make_address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fff0")); TEST_CHECK(build_netmask(125, AF_INET6) == make_address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fff8")); TEST_CHECK(build_netmask(126, AF_INET6) == make_address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffc")); TEST_CHECK(build_netmask(127, AF_INET6) == make_address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffe")); TEST_CHECK(build_netmask(128, AF_INET6) == make_address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")); } TORRENT_TEST(build_netmask_unknown) { TEST_CHECK(build_netmask(0, -1) == address{}); } namespace { ip_route rt(char const* ip, char const* device, char const* gateway, char const* mask) { ip_route ret; ret.destination = address::from_string(ip); ret.gateway = address::from_string(gateway); ret.netmask = address::from_string(mask); std::strncpy(ret.name, device, sizeof(ret.name)); ret.name[sizeof(ret.name) - 1] = '\0'; return ret; } ip_interface ip(char const* addr, char const* name) { ip_interface ret; ret.interface_address = address::from_string(addr); ret.netmask = address::from_string("255.255.255.255"); std::strncpy(ret.name, name, sizeof(ret.name)); return ret; } } TORRENT_TEST(get_gateway_basic) { std::vector const routes = { rt("0.0.0.0", "eth0", "192.168.0.1", "255.255.255.0"), rt("::", "eth0", "2a02::1234", "ffff::") }; TEST_CHECK(get_gateway(ip("192.168.0.130", "eth0"), routes) == address::from_string("192.168.0.1")); TEST_CHECK(get_gateway(ip("2a02::4567", "eth0"), routes) == address::from_string("2a02::1234")); // the device name does not match the route TEST_CHECK(get_gateway(ip("192.168.0.130", "eth1"), routes) == none); TEST_CHECK(get_gateway(ip("2a02::4567", "eth1"), routes) == none); // for IPv6, the address family and device name matches, so it's a match TEST_CHECK(get_gateway(ip("2a02:8000::0123:4567", "eth0"), routes) == address::from_string("2a02::1234")); } TORRENT_TEST(get_gateway_no_default_route) { std::vector const routes = { rt("192.168.0.0", "eth0", "0.0.0.0", "0.0.0.0"), rt("2a02::", "eth0", "::", "ffff::") }; // no default route TEST_CHECK(get_gateway(ip("192.168.1.130", "eth0"), routes) == none); TEST_CHECK(get_gateway(ip("2a02::1234", "eth0"), routes) == none); } TORRENT_TEST(get_gateway_local_v6) { std::vector const routes = { rt("2a02::", "eth0", "::", "ffff::") }; // local IPv6 addresses never have a gateway TEST_CHECK(get_gateway(ip("fe80::1234", "eth0"), routes) == none); } // an odd, imaginary setup, where the loopback network has a gateway TORRENT_TEST(get_gateway_loopback) { std::vector const routes = { rt("0.0.0.0", "eth0", "192.168.0.1", "255.255.0.0"), rt("0.0.0.0", "lo", "127.1.1.1", "255.0.0.0"), rt("::", "eth0", "fec0::1234", "ffff::"), rt("::", "lo", "::2", "ffff:ffff:ffff:ffff::") }; TEST_CHECK(get_gateway(ip("127.0.0.1", "lo"), routes) == address::from_string("127.1.1.1")); // with IPv6, there are no gateways for local or loopback addresses TEST_CHECK(get_gateway(ip("::1", "lo"), routes) == none); } TORRENT_TEST(get_gateway_multi_homed) { std::vector const routes = { rt("0.0.0.0", "eth0", "192.168.0.1", "255.255.0.0"), rt("0.0.0.0", "eth1", "10.0.0.1", "255.0.0.0") }; TEST_CHECK(get_gateway(ip("192.168.0.130", "eth0"), routes) == address::from_string("192.168.0.1")); TEST_CHECK(get_gateway(ip("10.0.1.130", "eth1"), routes) == address::from_string("10.0.0.1")); } TORRENT_TEST(has_default_route) { std::vector const routes = { rt("0.0.0.0", "eth0", "192.168.0.1", "255.255.0.0"), rt("0.0.0.0", "eth1", "0.0.0.0", "255.0.0.0"), rt("127.0.0.0", "lo", "0.0.0.0", "255.0.0.0") }; TEST_CHECK(has_default_route("eth0", AF_INET, routes)); TEST_CHECK(!has_default_route("eth0", AF_INET6, routes)); TEST_CHECK(has_default_route("eth1", AF_INET, routes)); TEST_CHECK(!has_default_route("eth1", AF_INET6, routes)); TEST_CHECK(!has_default_route("lo", AF_INET, routes)); TEST_CHECK(!has_default_route("lo", AF_INET6, routes)); TEST_CHECK(!has_default_route("eth2", AF_INET, routes)); TEST_CHECK(!has_default_route("eth2", AF_INET6, routes)); }