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// Copyright (c) 2019-2022, 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 <string>
#include <vector>
#include <map>
#include <algorithm>
#include <boost/program_options.hpp>
#include "misc_log_ex.h"
#include "common/util.h"
#include "common/command_line.h"
#include "common/dns_utils.h"
#include "version.h"
#undef MONERO_DEFAULT_LOG_CATEGORY
#define MONERO_DEFAULT_LOG_CATEGORY "debugtools.dnschecks"
namespace po = boost::program_options;
enum lookup_t { LOOKUP_A, LOOKUP_TXT };
static std::vector<std::string> lookup(lookup_t type, const char *hostname)
{
bool dnssec_available = false, dnssec_valid = false;
std::vector<std::string> res;
switch (type)
{
case LOOKUP_A: res = tools::DNSResolver::instance().get_ipv4(hostname, dnssec_available, dnssec_valid); break;
case LOOKUP_TXT: res = tools::DNSResolver::instance().get_txt_record(hostname, dnssec_available, dnssec_valid); break;
default: MERROR("Invalid lookup type: " << (int)type); return {};
}
if (!dnssec_available)
{
MWARNING("No DNSSEC for " << hostname);
return {};
}
if (!dnssec_valid)
{
MWARNING("Invalid DNSSEC check for " << hostname);
return {};
}
MINFO(res.size() << " valid signed result(s) for " << hostname);
return res;
}
static void lookup(lookup_t type, const std::vector<std::string> hostnames)
{
std::vector<std::vector<std::string>> results;
for (const std::string &hostname: hostnames)
{
auto res = lookup(type, hostname.c_str());
if (!res.empty())
{
std::sort(res.begin(), res.end());
results.push_back(res);
}
}
std::map<std::vector<std::string>, size_t> counter;
for (const auto &e: results)
counter[e]++;
size_t count = 0;
for (const auto &e: counter)
count = std::max(count, e.second);
if (results.size() > 1)
{
if (count < results.size())
MERROR("Only " << count << "/" << results.size() << " records match");
else
MINFO(count << "/" << results.size() << " records match");
}
}
int main(int argc, char* argv[])
{
TRY_ENTRY();
tools::on_startup();
po::options_description desc_cmd_only("Command line options");
po::options_description desc_cmd_sett("Command line options and settings options");
command_line::add_arg(desc_cmd_only, command_line::arg_help);
po::options_description desc_options("Allowed options");
desc_options.add(desc_cmd_only).add(desc_cmd_sett);
po::variables_map vm;
bool r = command_line::handle_error_helper(desc_options, [&]()
{
po::store(po::parse_command_line(argc, argv, desc_options), vm);
po::notify(vm);
return true;
});
if (! r)
return 1;
if (command_line::get_arg(vm, command_line::arg_help))
{
std::cout << "Monero '" << MONERO_RELEASE_NAME << "' (v" << MONERO_VERSION_FULL << ")" << ENDL << ENDL;
std::cout << desc_options << std::endl;
return 1;
}
mlog_configure("", true);
mlog_set_categories("+" MONERO_DEFAULT_LOG_CATEGORY ":INFO");
lookup(LOOKUP_A, {"seeds.moneroseeds.se", "seeds.moneroseeds.ae.org", "seeds.moneroseeds.ch", "seeds.moneroseeds.li"});
lookup(LOOKUP_TXT, {"updates.moneropulse.org", "updates.moneropulse.net", "updates.moneropulse.co", "updates.moneropulse.se", "updates.moneropulse.fr", "updates.moneropulse.de", "updates.moneropulse.no", "updates.moneropulse.ch"});
lookup(LOOKUP_TXT, {"checkpoints.moneropulse.org", "checkpoints.moneropulse.net", "checkpoints.moneropulse.co", "checkpoints.moneropulse.se"});
// those are in the code, but don't seem to actually exist
#if 0
lookup(LOOKUP_TXT, {"testpoints.moneropulse.org", "testpoints.moneropulse.net", "testpoints.moneropulse.co", "testpoints.moneropulse.se");
lookup(LOOKUP_TXT, {"stagenetpoints.moneropulse.org", "stagenetpoints.moneropulse.net", "stagenetpoints.moneropulse.co", "stagenetpoints.moneropulse.se"});
#endif
lookup(LOOKUP_TXT, {"segheights.moneropulse.org", "segheights.moneropulse.net", "segheights.moneropulse.co", "segheights.moneropulse.se"});
return 0;
CATCH_ENTRY_L0("main", 1);
}
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