mirror of https://gitee.com/bigwinds/arangodb
145 lines
4.1 KiB
C++
145 lines
4.1 KiB
C++
////////////////////////////////////////////////////////////////////////////////
|
|
/// DISCLAIMER
|
|
///
|
|
/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
|
|
/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
|
|
///
|
|
/// Licensed under the Apache License, Version 2.0 (the "License");
|
|
/// you may not use this file except in compliance with the License.
|
|
/// You may obtain a copy of the License at
|
|
///
|
|
/// http://www.apache.org/licenses/LICENSE-2.0
|
|
///
|
|
/// Unless required by applicable law or agreed to in writing, software
|
|
/// distributed under the License is distributed on an "AS IS" BASIS,
|
|
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
/// See the License for the specific language governing permissions and
|
|
/// limitations under the License.
|
|
///
|
|
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
|
|
///
|
|
/// @author Jan Steemann
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include "ssl-helper.h"
|
|
|
|
#include <openssl/err.h>
|
|
#include <boost/asio/ssl.hpp>
|
|
|
|
#include "Logger/Logger.h"
|
|
|
|
using namespace arangodb;
|
|
|
|
#ifndef OPENSSL_NO_SSL3_METHOD
|
|
extern "C" const SSL_METHOD* SSLv3_method(void);
|
|
#endif
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief creates an SSL context
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
boost::optional<boost::asio::ssl::context> arangodb::sslContext(
|
|
protocol_e protocol, std::string const& keyfile) {
|
|
// create our context
|
|
|
|
using boost::asio::ssl::context;
|
|
context::method meth = context::method::sslv23;
|
|
|
|
switch (protocol) {
|
|
#ifndef OPENSSL_NO_SSL2
|
|
case SSL_V2:
|
|
meth = context::method::sslv2;
|
|
break;
|
|
#endif
|
|
#ifndef OPENSSL_NO_SSL3_METHOD
|
|
case SSL_V3:
|
|
meth = context::method::sslv3;
|
|
break;
|
|
#endif
|
|
case SSL_V23:
|
|
meth = context::method::sslv23;
|
|
break;
|
|
|
|
case TLS_V1:
|
|
meth = context::method::tlsv1_server;
|
|
break;
|
|
|
|
case TLS_V12:
|
|
meth = context::method::tlsv12_server;
|
|
break;
|
|
|
|
default:
|
|
LOG_TOPIC(ERR, arangodb::Logger::FIXME) << "unknown SSL protocol method";
|
|
return boost::none;
|
|
}
|
|
|
|
boost::asio::ssl::context sslctx(meth);
|
|
|
|
if (sslctx.native_handle() == nullptr) {
|
|
// could not create SSL context - this is mostly due to the OpenSSL
|
|
// library not having been initialized
|
|
LOG_TOPIC(FATAL, arangodb::Logger::FIXME) << "unable to create SSL context";
|
|
FATAL_ERROR_EXIT();
|
|
}
|
|
|
|
// load our keys and certificates
|
|
if (!SSL_CTX_use_certificate_chain_file(sslctx.native_handle(),
|
|
keyfile.c_str())) {
|
|
LOG_TOPIC(ERR, arangodb::Logger::FIXME) << "cannot read certificate from '" << keyfile
|
|
<< "': " << lastSSLError();
|
|
return boost::none;
|
|
}
|
|
|
|
if (!SSL_CTX_use_PrivateKey_file(sslctx.native_handle(), keyfile.c_str(),
|
|
SSL_FILETYPE_PEM)) {
|
|
LOG_TOPIC(ERR, arangodb::Logger::FIXME) << "cannot read key from '" << keyfile << "': " << lastSSLError();
|
|
return boost::none;
|
|
}
|
|
|
|
#if (OPENSSL_VERSION_NUMBER < 0x00905100L)
|
|
SSL_CTX_set_verify_depth(sslctx.native_handle(), 1);
|
|
#endif
|
|
|
|
return std::move(sslctx);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief get the name of an SSL protocol version
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
std::string arangodb::protocolName(protocol_e protocol) {
|
|
switch (protocol) {
|
|
case SSL_V2:
|
|
return "SSLv2";
|
|
|
|
case SSL_V23:
|
|
return "SSLv23";
|
|
|
|
case SSL_V3:
|
|
return "SSLv3";
|
|
|
|
case TLS_V1:
|
|
return "TLSv1";
|
|
|
|
case TLS_V12:
|
|
return "TLSv12";
|
|
|
|
default:
|
|
return "unknown";
|
|
}
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief get last SSL error
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
std::string arangodb::lastSSLError() {
|
|
char buf[122];
|
|
memset(buf, 0, sizeof(buf));
|
|
|
|
unsigned long err = ERR_get_error();
|
|
ERR_error_string_n(err, buf, sizeof(buf) - 1);
|
|
|
|
return std::string(buf);
|
|
}
|