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// Copyright (c) 2014-2022, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. 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.
//
// 3. Neither the name of the copyright holder 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 HOLDER 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 <iostream>
#include <vector>
#include "gtest/gtest.h"
#include "common/dns_utils.h"
TEST(DNSResolver, IPv4Success)
{
tools::DNSResolver resolver = tools::DNSResolver::create();
bool avail, valid;
auto ips = resolver.get_ipv4("example.com", avail, valid);
ASSERT_EQ(1, ips.size());
//ASSERT_STREQ("93.184.216.119", ips[0].c_str());
ips = tools::DNSResolver::instance().get_ipv4("example.com", avail, valid);
ASSERT_EQ(1, ips.size());
//ASSERT_STREQ("93.184.216.119", ips[0].c_str());
}
TEST(DNSResolver, IPv4Failure)
{
// guaranteed by IANA/ICANN/RFC to be invalid
tools::DNSResolver resolver = tools::DNSResolver::create();
bool avail, valid;
auto ips = resolver.get_ipv4("example.invalid", avail, valid);
ASSERT_EQ(0, ips.size());
ips = tools::DNSResolver::instance().get_ipv4("example.invalid", avail, valid);
ASSERT_EQ(0, ips.size());
}
TEST(DNSResolver, DNSSECSuccess)
{
tools::DNSResolver resolver = tools::DNSResolver::create();
bool avail, valid;
auto ips = resolver.get_ipv4("example.com", avail, valid);
ASSERT_EQ(1, ips.size());
//ASSERT_STREQ("93.184.216.119", ips[0].c_str());
ASSERT_TRUE(avail);
ASSERT_TRUE(valid);
}
TEST(DNSResolver, DNSSECFailure)
{
tools::DNSResolver resolver = tools::DNSResolver::create();
bool avail, valid;
auto ips = resolver.get_ipv4("dnssec-failed.org", avail, valid);
ASSERT_EQ(1, ips.size());
//ASSERT_STREQ("93.184.216.119", ips[0].c_str());
ASSERT_TRUE(avail);
ASSERT_FALSE(valid);
}
// It would be great to include an IPv6 test and assume it'll pass, but not every ISP / resolver plays nicely with IPv6;)
/*TEST(DNSResolver, IPv6Success)
{
tools::DNSResolver resolver = tools::DNSResolver::create();
bool avail, valid;
auto ips = resolver.get_ipv6("example.com", avail, valid);
ASSERT_EQ(1, ips.size());
ASSERT_STREQ("2606:2800:220:6d:26bf:1447:1097:aa7", ips[0].c_str());
ips = tools::DNSResolver::instance().get_ipv6("example.com", avail, valid);
ASSERT_EQ(1, ips.size());
ASSERT_STREQ("2606:2800:220:6d:26bf:1447:1097:aa7", ips[0].c_str());
}*/
TEST(DNSResolver, IPv6Failure)
{
// guaranteed by IANA/ICANN/RFC to be invalid
tools::DNSResolver resolver = tools::DNSResolver::create();
bool avail, valid;
auto ips = resolver.get_ipv6("example.invalid", avail, valid);
ASSERT_EQ(0, ips.size());
ips = tools::DNSResolver::instance().get_ipv6("example.invalid", avail, valid);
ASSERT_EQ(0, ips.size());
}
TEST(DNSResolver, GetTXTRecord)
{
bool avail, valid;
std::vector<std::string> records = tools::DNSResolver::instance().get_txt_record("donate.getmonero.org", avail, valid);
EXPECT_NE(0, records.size());
for (auto& rec : records)
{
std::cout << "TXT record for donate.getmonero.org: " << rec << std::endl;
}
// replace first @ with .
std::string addr = tools::DNSResolver::instance().get_dns_format_from_oa_address("donate@getmonero.org");
EXPECT_STREQ("donate.getmonero.org", addr.c_str());
// no change
addr = tools::DNSResolver::instance().get_dns_format_from_oa_address("donate.getmonero.org");
EXPECT_STREQ("donate.getmonero.org", addr.c_str());
}
TEST(DNSResolver, Localhost)
{
tools::DNSResolver resolver = tools::DNSResolver::create();
bool avail, valid;
std::vector<std::string> ips = resolver.get_ipv4("localhost", avail, valid);
ASSERT_EQ(1, ips.size());
ASSERT_EQ("127.0.0.1", ips[0]);
}
bool is_equal(const char *s, const std::vector<std::string> &v) { return v.size() == 1 && v[0] == s; }
TEST(DNS_PUBLIC, empty) { EXPECT_TRUE(tools::dns_utils::parse_dns_public("").empty()); }
TEST(DNS_PUBLIC, default) { EXPECT_TRUE(tools::dns_utils::parse_dns_public("tcp").size() > 0); }
TEST(DNS_PUBLIC, invalid_scheme) { EXPECT_TRUE(tools::dns_utils::parse_dns_public("invalid").empty()); }
TEST(DNS_PUBLIC, invalid_ip_alpha) { EXPECT_TRUE(tools::dns_utils::parse_dns_public("tcp://invalid").empty()); }
TEST(DNS_PUBLIC, invalid_ip_num1) { EXPECT_TRUE(tools::dns_utils::parse_dns_public("tcp://3").empty()); }
TEST(DNS_PUBLIC, invalid_ip_num3) { EXPECT_TRUE(tools::dns_utils::parse_dns_public("tcp://3.4.5").empty()); }
TEST(DNS_PUBLIC, invalid_ip_num4_extra) { EXPECT_TRUE(tools::dns_utils::parse_dns_public("tcp://3.4.5.6x").empty()); }
TEST(DNS_PUBLIC, invalid_ip_num4_range) { EXPECT_TRUE(tools::dns_utils::parse_dns_public("tcp://3.4.542.6").empty()); }
TEST(DNS_PUBLIC, invalid_ip_dot) { EXPECT_TRUE(tools::dns_utils::parse_dns_public("tcp://3.4.5.6.").empty()); }
TEST(DNS_PUBLIC, invalid_ip_num5) { EXPECT_TRUE(tools::dns_utils::parse_dns_public("tcp://3.4.5.6.7").empty()); }
TEST(DNS_PUBLIC, invalid_ip_4_missing) { EXPECT_TRUE(tools::dns_utils::parse_dns_public("tcp://3.4..7").empty()); }
TEST(DNS_PUBLIC, valid_ip_lo) { EXPECT_TRUE(is_equal("127.0.0.1", tools::dns_utils::parse_dns_public("tcp://127.0.0.1"))); }
TEST(DNS_PUBLIC, valid_ip) { EXPECT_TRUE(is_equal("3.4.5.6", tools::dns_utils::parse_dns_public("tcp://3.4.5.6"))); }
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