icinga2/lib/cli/pkisavecertcommand.cpp

90 lines
2.8 KiB
C++

/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
#include "cli/pkisavecertcommand.hpp"
#include "remote/pkiutility.hpp"
#include "base/logger.hpp"
#include "base/tlsutility.hpp"
#include "base/console.hpp"
#include <iostream>
using namespace icinga;
namespace po = boost::program_options;
REGISTER_CLICOMMAND("pki/save-cert", PKISaveCertCommand);
String PKISaveCertCommand::GetDescription() const
{
return "Saves another Icinga 2 instance's certificate.";
}
String PKISaveCertCommand::GetShortDescription() 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()
("trustedcert", po::value<std::string>(), "Trusted certificate file path (output)")
("host", po::value<std::string>(), "Parent Icinga instance to fetch the public TLS certificate from")
("port", po::value<std::string>()->default_value("5665"), "Icinga 2 port");
hiddenDesc.add_options()
("key", po::value<std::string>())
("cert", po::value<std::string>());
}
std::vector<String> PKISaveCertCommand::GetArgumentSuggestions(const String& argument, const String& word) const
{
if (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 TLS certificate for '" << host << ":" << port << "'.";
std::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>());
}