1 files changed, 89 insertions, 0 deletions
diff --git a/lib/cli/pkisavecertcommand.cpp b/lib/cli/pkisavecertcommand.cpp
new file mode 100644
index 0000000..befd0ee
--- /dev/null
+++ b/lib/cli/pkisavecertcommand.cpp
@@ -0,0 +1,89 @@
+/* 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>());
+}