mirror of
https://github.com/arvidn/libtorrent.git
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arvidn
259 lines
9.5 KiB
C++
259 lines
9.5 KiB
C++
/*
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Copyright (c) 2015, 2017, 2019-2021, Arvid Norberg
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Copyright (c) 2017, 2020-2021, Alden Torres
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All rights reserved.
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You may use, distribute and modify this code under the terms of the BSD license,
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see LICENSE file.
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*/
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#include "test.hpp"
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#include "setup_transfer.hpp" // for supports_ipv6
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#include "libtorrent/aux_/enum_net.hpp"
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#include "libtorrent/address.hpp"
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#include "libtorrent/aux_/ip_helpers.hpp"
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#include "libtorrent/error_code.hpp"
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#include <cstring>
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using namespace lt;
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using namespace lt::aux;
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TORRENT_TEST(is_local)
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{
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error_code ec;
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TEST_CHECK(is_local(make_address("192.168.0.1", ec)));
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TEST_CHECK(!ec);
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TEST_CHECK(is_local(make_address("10.1.1.56", ec)));
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TEST_CHECK(!ec);
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TEST_CHECK(is_local(make_address("100.64.0.0", ec)));
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TEST_CHECK(!ec);
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TEST_CHECK(is_local(make_address("100.127.255.255", ec)));
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TEST_CHECK(!ec);
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TEST_CHECK(!is_local(make_address("14.14.251.63", ec)));
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TEST_CHECK(!ec);
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}
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TORRENT_TEST(match_addr_mask)
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{
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TEST_CHECK(match_addr_mask(
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make_address("10.0.1.176"),
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make_address("10.0.1.176"),
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make_address("255.255.255.0")));
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TEST_CHECK(match_addr_mask(
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make_address("10.0.1.3"),
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make_address("10.0.3.3"),
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make_address("255.255.0.0")));
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TEST_CHECK(!match_addr_mask(
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make_address("10.0.1.3"),
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make_address("10.1.3.3"),
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make_address("255.255.0.0")));
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TEST_CHECK(match_addr_mask(
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make_address("ff00:1234::"),
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make_address("ff00:5678::"),
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make_address("ffff::")));
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TEST_CHECK(!match_addr_mask(
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make_address("ff00:1234::"),
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make_address("ff00:5678::"),
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make_address("ffff:f000::")));
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// different scope IDs always means a mismatch
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TEST_CHECK(!match_addr_mask(
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make_address("ff00:1234::%1"),
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make_address("ff00:1234::%2"),
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make_address("ffff::")));
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}
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TORRENT_TEST(is_ip_address)
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{
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TEST_EQUAL(is_ip_address("1.2.3.4"), true);
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TEST_EQUAL(is_ip_address("a.b.c.d"), false);
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TEST_EQUAL(is_ip_address("a:b:b:c"), false);
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TEST_EQUAL(is_ip_address("::1"), true);
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TEST_EQUAL(is_ip_address("2001:db8:85a3:0:0:8a2e:370:7334"), true);
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}
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TORRENT_TEST(build_netmask_v4)
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{
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TEST_CHECK(build_netmask(0, AF_INET) == make_address("0.0.0.0"));
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TEST_CHECK(build_netmask(1, AF_INET) == make_address("128.0.0.0"));
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TEST_CHECK(build_netmask(2, AF_INET) == make_address("192.0.0.0"));
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TEST_CHECK(build_netmask(3, AF_INET) == make_address("224.0.0.0"));
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TEST_CHECK(build_netmask(4, AF_INET) == make_address("240.0.0.0"));
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TEST_CHECK(build_netmask(5, AF_INET) == make_address("248.0.0.0"));
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TEST_CHECK(build_netmask(6, AF_INET) == make_address("252.0.0.0"));
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TEST_CHECK(build_netmask(7, AF_INET) == make_address("254.0.0.0"));
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TEST_CHECK(build_netmask(8, AF_INET) == make_address("255.0.0.0"));
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TEST_CHECK(build_netmask(9, AF_INET) == make_address("255.128.0.0"));
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TEST_CHECK(build_netmask(10, AF_INET) == make_address("255.192.0.0"));
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TEST_CHECK(build_netmask(11, AF_INET) == make_address("255.224.0.0"));
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TEST_CHECK(build_netmask(22, AF_INET) == make_address("255.255.252.0"));
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TEST_CHECK(build_netmask(23, AF_INET) == make_address("255.255.254.0"));
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TEST_CHECK(build_netmask(24, AF_INET) == make_address("255.255.255.0"));
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TEST_CHECK(build_netmask(25, AF_INET) == make_address("255.255.255.128"));
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TEST_CHECK(build_netmask(26, AF_INET) == make_address("255.255.255.192"));
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TEST_CHECK(build_netmask(27, AF_INET) == make_address("255.255.255.224"));
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TEST_CHECK(build_netmask(28, AF_INET) == make_address("255.255.255.240"));
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TEST_CHECK(build_netmask(29, AF_INET) == make_address("255.255.255.248"));
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TEST_CHECK(build_netmask(30, AF_INET) == make_address("255.255.255.252"));
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TEST_CHECK(build_netmask(31, AF_INET) == make_address("255.255.255.254"));
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TEST_CHECK(build_netmask(32, AF_INET) == make_address("255.255.255.255"));
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}
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TORRENT_TEST(build_netmask_v6)
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{
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TEST_CHECK(build_netmask(0, AF_INET6) == make_address("::"));
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TEST_CHECK(build_netmask(1, AF_INET6) == make_address("8000::"));
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TEST_CHECK(build_netmask(2, AF_INET6) == make_address("c000::"));
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TEST_CHECK(build_netmask(3, AF_INET6) == make_address("e000::"));
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TEST_CHECK(build_netmask(4, AF_INET6) == make_address("f000::"));
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TEST_CHECK(build_netmask(5, AF_INET6) == make_address("f800::"));
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TEST_CHECK(build_netmask(6, AF_INET6) == make_address("fc00::"));
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TEST_CHECK(build_netmask(7, AF_INET6) == make_address("fe00::"));
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TEST_CHECK(build_netmask(8, AF_INET6) == make_address("ff00::"));
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TEST_CHECK(build_netmask(9, AF_INET6) == make_address("ff80::"));
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TEST_CHECK(build_netmask(10, AF_INET6) == make_address("ffc0::"));
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TEST_CHECK(build_netmask(11, AF_INET6) == make_address("ffe0::"));
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TEST_CHECK(build_netmask(119, AF_INET6) == make_address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fe00"));
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TEST_CHECK(build_netmask(120, AF_INET6) == make_address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ff00"));
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TEST_CHECK(build_netmask(121, AF_INET6) == make_address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ff80"));
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TEST_CHECK(build_netmask(122, AF_INET6) == make_address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffc0"));
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TEST_CHECK(build_netmask(123, AF_INET6) == make_address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffe0"));
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TEST_CHECK(build_netmask(124, AF_INET6) == make_address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fff0"));
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TEST_CHECK(build_netmask(125, AF_INET6) == make_address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fff8"));
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TEST_CHECK(build_netmask(126, AF_INET6) == make_address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffc"));
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TEST_CHECK(build_netmask(127, AF_INET6) == make_address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffe"));
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TEST_CHECK(build_netmask(128, AF_INET6) == make_address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"));
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}
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TORRENT_TEST(build_netmask_unknown)
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{
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TEST_CHECK(build_netmask(0, -1) == address{});
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}
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namespace {
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ip_route rt(char const* ip, char const* device, char const* gateway, char const* mask)
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{
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ip_route ret;
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ret.destination = make_address(ip);
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ret.gateway = make_address(gateway);
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ret.netmask = make_address(mask);
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std::strncpy(ret.name, device, sizeof(ret.name) - 1);
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ret.name[sizeof(ret.name) - 1] = '\0';
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return ret;
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}
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ip_interface ip(char const* addr, char const* name)
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{
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ip_interface ret;
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ret.interface_address = make_address(addr);
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ret.netmask = make_address("255.255.255.255");
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std::strncpy(ret.name, name, sizeof(ret.name) - 1);
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return ret;
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}
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}
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TORRENT_TEST(get_gateway_basic)
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{
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std::vector<ip_route> const routes = {
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rt("0.0.0.0", "eth0", "192.168.0.1", "255.255.255.0"),
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rt("::", "eth0", "2a02::1234", "ffff::")
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};
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TEST_CHECK(get_gateway(ip("192.168.0.130", "eth0"), routes) == make_address("192.168.0.1"));
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TEST_CHECK(get_gateway(ip("2a02::4567", "eth0"), routes) == make_address("2a02::1234"));
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// the device name does not match the route
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TEST_CHECK(get_gateway(ip("192.168.0.130", "eth1"), routes) == std::nullopt);
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TEST_CHECK(get_gateway(ip("2a02::4567", "eth1"), routes) == std::nullopt);
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// for IPv6, the address family and device name matches, so it's a match
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TEST_CHECK(get_gateway(ip("2a02:8000::0123:4567", "eth0"), routes) == make_address("2a02::1234"));
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}
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TORRENT_TEST(get_gateway_no_default_route)
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{
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std::vector<ip_route> const routes = {
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rt("192.168.0.0", "eth0", "0.0.0.0", "0.0.0.0"),
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rt("2a02::", "eth0", "::", "ffff::")
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};
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// no default route
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TEST_CHECK(get_gateway(ip("192.168.1.130", "eth0"), routes) == std::nullopt);
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TEST_CHECK(get_gateway(ip("2a02::1234", "eth0"), routes) == std::nullopt);
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}
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TORRENT_TEST(get_gateway_local_v6)
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{
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std::vector<ip_route> const routes = {
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rt("2a02::", "eth0", "::", "ffff::")
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};
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// local IPv6 addresses never have a gateway
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TEST_CHECK(get_gateway(ip("fe80::1234", "eth0"), routes) == std::nullopt);
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}
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// an odd, imaginary setup, where the loopback network has a gateway
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TORRENT_TEST(get_gateway_loopback)
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{
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std::vector<ip_route> const routes = {
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rt("0.0.0.0", "eth0", "192.168.0.1", "255.255.0.0"),
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rt("0.0.0.0", "lo", "127.1.1.1", "255.0.0.0"),
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rt("::", "eth0", "fec0::1234", "ffff::"),
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rt("::", "lo", "::2", "ffff:ffff:ffff:ffff::")
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};
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TEST_CHECK(get_gateway(ip("127.0.0.1", "lo"), routes) == make_address("127.1.1.1"));
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// with IPv6, there are no gateways for local or loopback addresses
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TEST_CHECK(get_gateway(ip("::1", "lo"), routes) == std::nullopt);
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}
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TORRENT_TEST(get_gateway_multi_homed)
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{
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std::vector<ip_route> const routes = {
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rt("0.0.0.0", "eth0", "192.168.0.1", "255.255.0.0"),
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rt("0.0.0.0", "eth1", "10.0.0.1", "255.0.0.0")
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};
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TEST_CHECK(get_gateway(ip("192.168.0.130", "eth0"), routes) == make_address("192.168.0.1"));
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TEST_CHECK(get_gateway(ip("10.0.1.130", "eth1"), routes) == make_address("10.0.0.1"));
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}
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TORRENT_TEST(has_internet_route)
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{
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std::vector<ip_route> const routes = {
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rt("0.0.0.0", "eth0", "192.168.0.1", "255.255.0.0"),
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rt("0.0.0.0", "eth1", "0.0.0.0", "255.0.0.0"),
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rt("127.0.0.0", "lo", "0.0.0.0", "255.0.0.0"),
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rt("0.0.0.0", "tun0", "0.0.0.0", "128.0.0.0"),
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rt("128.0.0.0", "tun0", "0.0.0.0", "128.0.0.0"),
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rt("1.2.3.4", "tun1", "0.0.0.0", "255.255.0.0"),
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rt("2000:5678::1", "tun1", "::", "f::"),
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};
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TEST_CHECK(has_internet_route("eth0", AF_INET, routes));
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TEST_CHECK(!has_internet_route("eth0", AF_INET6, routes));
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TEST_CHECK(has_internet_route("eth1", AF_INET, routes));
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TEST_CHECK(!has_internet_route("eth1", AF_INET6, routes));
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TEST_CHECK(!has_internet_route("lo", AF_INET, routes));
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TEST_CHECK(!has_internet_route("lo", AF_INET6, routes));
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TEST_CHECK(!has_internet_route("eth2", AF_INET, routes));
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TEST_CHECK(!has_internet_route("eth2", AF_INET6, routes));
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TEST_CHECK(has_internet_route("tun0", AF_INET, routes));
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TEST_CHECK(!has_internet_route("tun0", AF_INET6, routes));
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TEST_CHECK(has_internet_route("tun1", AF_INET, routes));
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TEST_CHECK(has_internet_route("tun1", AF_INET6, routes));
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}
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