icinga2/lib/base/tlsstream.cpp

72 lines
1.8 KiB
C++

/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
#include "base/tlsstream.hpp"
#include "base/application.hpp"
#include "base/utility.hpp"
#include "base/exception.hpp"
#include "base/logger.hpp"
#include "base/configuration.hpp"
#include "base/convert.hpp"
#include <boost/asio/ssl/context.hpp>
#include <boost/asio/ssl/verify_context.hpp>
#include <boost/asio/ssl/verify_mode.hpp>
#include <iostream>
#include <openssl/ssl.h>
#include <openssl/tls1.h>
#include <openssl/x509.h>
#include <sstream>
using namespace icinga;
bool UnbufferedAsioTlsStream::IsVerifyOK() const
{
return m_VerifyOK;
}
String UnbufferedAsioTlsStream::GetVerifyError() const
{
return m_VerifyError;
}
std::shared_ptr<X509> UnbufferedAsioTlsStream::GetPeerCertificate()
{
return std::shared_ptr<X509>(SSL_get_peer_certificate(native_handle()), X509_free);
}
void UnbufferedAsioTlsStream::BeforeHandshake(handshake_type type)
{
namespace ssl = boost::asio::ssl;
if (!m_Hostname.IsEmpty()) {
X509_VERIFY_PARAM_set1_host(SSL_get0_param(native_handle()), m_Hostname.CStr(), m_Hostname.GetLength());
}
set_verify_mode(ssl::verify_peer | ssl::verify_client_once);
set_verify_callback([this](bool preverified, ssl::verify_context& ctx) {
if (!preverified) {
m_VerifyOK = false;
std::ostringstream msgbuf;
int err = X509_STORE_CTX_get_error(ctx.native_handle());
msgbuf << "code " << err << ": " << X509_verify_cert_error_string(err);
m_VerifyError = msgbuf.str();
}
return true;
});
#ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
if (type == client && !m_Hostname.IsEmpty()) {
String environmentName = Application::GetAppEnvironment();
String serverName = m_Hostname;
if (!environmentName.IsEmpty())
serverName += ":" + environmentName;
SSL_set_tlsext_host_name(native_handle(), serverName.CStr());
}
#endif /* SSL_CTRL_SET_TLSEXT_HOSTNAME */
}