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/*
* This file is open source software, licensed to you under the terms
* of the Apache License, Version 2.0 (the "License"). See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. You may not use this file except in compliance with the License.
*
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/*
* Copyright (C) 2019 Cloudius Systems, Ltd.
*/
#include <seastar/testing/test_case.hh>
#include <seastar/net/api.hh>
#include <seastar/net/inet_address.hh>
#include <seastar/net/ethernet.hh>
#include <seastar/net/ip.hh>
#include <seastar/core/reactor.hh>
#include <seastar/core/thread.hh>
#include <seastar/util/log.hh>
using namespace seastar;
static logger niflog("network_interface_test");
static_assert(std::is_nothrow_default_constructible_v<net::ethernet_address>);
static_assert(std::is_nothrow_copy_constructible_v<net::ethernet_address>);
static_assert(std::is_nothrow_move_constructible_v<net::ethernet_address>);
SEASTAR_TEST_CASE(list_interfaces) {
// just verifying we have something. And can access all the stuff.
auto interfaces = engine().net().network_interfaces();
BOOST_REQUIRE_GT(interfaces.size(), 0);
for (auto& nif : interfaces) {
niflog.info("Iface: {}, index = {}, mtu = {}, loopback = {}, virtual = {}, up = {}",
nif.name(), nif.index(), nif.mtu(), nif.is_loopback(), nif.is_virtual(), nif.is_up()
);
if (nif.hardware_address().size() >= 6) {
niflog.info(" HW: {}", net::ethernet_address(nif.hardware_address().data()));
}
for (auto& addr : nif.addresses()) {
niflog.info(" Addr: {}", addr);
}
}
return make_ready_future();
}
SEASTAR_TEST_CASE(match_ipv6_scope) {
auto interfaces = engine().net().network_interfaces();
for (auto& nif : interfaces) {
if (nif.is_loopback()) {
continue;
}
auto i = std::find_if(nif.addresses().begin(), nif.addresses().end(), std::mem_fn(&net::inet_address::is_ipv6));
if (i == nif.addresses().end()) {
continue;
}
std::ostringstream ss;
ss << net::inet_address(i->as_ipv6_address()) << "%" << nif.name();
auto text = ss.str();
net::inet_address na(text);
BOOST_REQUIRE_EQUAL(na.as_ipv6_address(), i->as_ipv6_address());
// also verify that the inet_address itself matches
BOOST_REQUIRE_EQUAL(na, *i);
// and that inet_address _without_ scope matches.
BOOST_REQUIRE_EQUAL(net::inet_address(na.as_ipv6_address()), *i);
BOOST_REQUIRE_EQUAL(na.scope(), nif.index());
// and that they are not ipv4 addresses
BOOST_REQUIRE_THROW(i->as_ipv4_address(), std::invalid_argument);
BOOST_REQUIRE_THROW(na.as_ipv4_address(), std::invalid_argument);
niflog.info("Org: {}, Parsed: {}, Text: {}", *i, na, text);
}
return make_ready_future();
}
SEASTAR_TEST_CASE(is_standard_addresses_sanity) {
BOOST_REQUIRE_EQUAL(net::inet_address("127.0.0.1").is_loopback(), true);
BOOST_REQUIRE_EQUAL(net::inet_address("127.0.0.11").is_loopback(), true);
BOOST_REQUIRE_EQUAL(net::inet_address(::in_addr{INADDR_ANY}).is_addr_any(), true);
auto addr = net::inet_address("1.2.3.4");
BOOST_REQUIRE_EQUAL(addr.is_loopback(), false);
BOOST_REQUIRE_EQUAL(addr.is_addr_any(), false);
BOOST_REQUIRE_EQUAL(net::inet_address("::1").is_loopback(), true);
BOOST_REQUIRE_EQUAL(net::inet_address(::in6addr_any).is_addr_any(), true);
auto addr6 = net::inet_address("acf1:f5e5:5a99:337f:ebe2:c57e:0e27:69c6");
BOOST_REQUIRE_EQUAL(addr6.is_loopback(), false);
BOOST_REQUIRE_EQUAL(addr6.is_addr_any(), false);
return make_ready_future<>();
}
SEASTAR_TEST_CASE(test_inet_address_format) {
const std::string tests[] = {
// IPv4 addresses
"127.0.0.1",
"192.168.100.123",
// IPv6 addresses
// see also https://datatracker.ietf.org/doc/html/rfc5952
// leading zeros are removed
"2001:db8:85a3:8d3:1319:8a2e:370:7348",
// consecutive all-zeros must be compressed
"2001:db8::8a2e:370:7334",
"::1",
"100::",
};
for (auto expected : tests) {
net::inet_address addr{expected};
BOOST_CHECK_EQUAL(fmt::to_string(addr), expected);
}
// scoped addresses
for (auto& nwif: seastar::engine().net().network_interfaces()) {
const std::string_view address = "fe80::1ff:fe23:4567:890a";
const sstring zone_id = fmt::to_string(nwif.index());
for (auto zone : {zone_id, nwif.name(), nwif.display_name()}) {
net::inet_address addr{fmt::format("{}%{}", address, zone)};
// we always use the zone-id to represent the zone
auto expected = fmt::format("{}%{}", address, zone_id);
BOOST_CHECK_EQUAL(fmt::to_string(addr), expected);
}
// one of them would suffice
break;
}
return make_ready_future();
}
SEASTAR_TEST_CASE(test_inet_address_parse_invalid) {
const sstring tests[] = {
// bad IPv4 addresses
"127.0.0",
"192.168.100,123",
"192.168.1.2.3",
// bad IPv6 addresses
"fe80:2030:31:24",
"fe80:2030:12345",
"fe80:2030:12345%%",
":",
};
for (auto s : tests) {
BOOST_CHECK_THROW(net::inet_address{s}, std::invalid_argument);
}
return make_ready_future();
}
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