icinga2/lib/cli/pkisavecertcommand.cpp

104 lines
4.2 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2017 Icinga Development Team (https://www.icinga.com/) *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#include "cli/pkisavecertcommand.hpp"
#include "remote/pkiutility.hpp"
#include "base/logger.hpp"
#include "base/tlsutility.hpp"
#include "base/console.hpp"
using namespace icinga;
namespace po = boost::program_options;
REGISTER_CLICOMMAND("pki/save-cert", PKISaveCertCommand);
String PKISaveCertCommand::GetDescription(void) const
{
return "Saves another Icinga 2 instance's certificate.";
}
String PKISaveCertCommand::GetShortDescription(void) const
{
return "saves another Icinga 2 instance's certificate";
}
void PKISaveCertCommand::InitParameters(boost::program_options::options_description& visibleDesc,
boost::program_options::options_description& hiddenDesc) const
{
visibleDesc.add_options()
("key", po::value<std::string>(), "Key file path (input), obsolete")
("cert", po::value<std::string>(), "Certificate file path (input), obsolete")
("trustedcert", po::value<std::string>(), "Trusted certificate file path (output)")
("host", po::value<std::string>(), "Icinga 2 host")
("port", po::value<std::string>()->default_value("5665"), "Icinga 2 port");
}
std::vector<String> PKISaveCertCommand::GetArgumentSuggestions(const String& argument, const String& word) const
{
if (argument == "key" || argument == "cert" || argument == "trustedcert")
return GetBashCompletionSuggestions("file", word);
else if (argument == "host")
return GetBashCompletionSuggestions("hostname", word);
else if (argument == "port")
return GetBashCompletionSuggestions("service", word);
else
return CLICommand::GetArgumentSuggestions(argument, word);
}
/**
* The entry point for the "pki save-cert" CLI command.
*
* @returns An exit status.
*/
int PKISaveCertCommand::Run(const boost::program_options::variables_map& vm, const std::vector<std::string>& ap) const
{
if (!vm.count("host")) {
Log(LogCritical, "cli", "Icinga 2 host (--host) must be specified.");
return 1;
}
if (!vm.count("trustedcert")) {
Log(LogCritical, "cli", "Trusted certificate output file path (--trustedcert) must be specified.");
return 1;
}
String host = vm["host"].as<std::string>();
String port = vm["port"].as<std::string>();
Log(LogInformation, "cli")
<< "Retrieving X.509 certificate for '" << host << ":" << port << "'.";
boost::shared_ptr<X509> cert = PkiUtility::FetchCert(host, port);
if (!cert) {
Log(LogCritical, "cli", "Failed to fetch certificate from host.");
return 1;
}
std::cout << PkiUtility::GetCertificateInformation(cert) << "\n";
std::cout << ConsoleColorTag(Console_ForegroundRed)
<< "***\n"
<< "*** You have to ensure that this certificate actually matches the parent\n"
<< "*** instance's certificate in order to avoid man-in-the-middle attacks.\n"
<< "***\n\n"
<< ConsoleColorTag(Console_Normal);
return PkiUtility::WriteCert(cert, vm["trustedcert"].as<std::string>());
}