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// **********************************************************************
//
// Copyright (c) 2002
// ZeroC, Inc.
// Billerica, MA, USA
//
// All Rights Reserved.
//
// Ice is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License version 2 as published by
// the Free Software Foundation.
//
// **********************************************************************
#include <Ice/LoggerUtil.h>
#include <IceSSL/Exception.h>
#include <IceSSL/ServerContext.h>
#include <IceSSL/SslServerTransceiver.h>
#include <IceSSL/OpenSSLUtils.h>
#include <IceSSL/TraceLevels.h>
using namespace std;
using namespace Ice;
void
IceSSL::ServerContext::configure(const GeneralConfig& generalConfig,
const CertificateAuthority& certificateAuthority,
const BaseCertificates& baseCertificates)
{
Context::configure(generalConfig, certificateAuthority, baseCertificates);
assert(_sslContext != 0);
// On servers, Attempt to use non-export (strong) encryption
// first. This option does not always work, and in the OpenSSL
// documentation is declared as 'broken'.
// SSL_CTX_set_options(_sslContext, SSL_OP_NON_EXPORT_FIRST);
// Always use a new DH key when using Diffie-Hellman key agreement.
SSL_CTX_set_options(_sslContext, SSL_OP_SINGLE_DH_USE);
// Set the RSA Callback routine in case we need to build a temporary (ephemeral) RSA key.
SSL_CTX_set_tmp_rsa_callback(_sslContext, tmpRSACallback);
// Set the DH Callback routine in case we need a temporary (ephemeral) DH key.
SSL_CTX_set_tmp_dh_callback(_sslContext, tmpDHCallback);
loadCertificateAuthority(certificateAuthority);
// Set the session context for the SSL system [SERVER ONLY].
string connectionContext = generalConfig.getContext();
SSL_CTX_set_session_id_context(_sslContext,
reinterpret_cast<const unsigned char *>(connectionContext.c_str()),
connectionContext.size());
if(_traceLevels->security >= SECURITY_PROTOCOL)
{
Trace out(_logger, _traceLevels->securityCat);
out << "\n";
out << "general configuration (server)\n";
out << "------------------------------\n";
IceSSL::operator<<(out, generalConfig);
out << "\n\n";
out << "CA file: " << certificateAuthority.getCAFileName() << "\n";
out << "CA path: " << certificateAuthority.getCAPath() << "\n";
out << "base certificates (server)\n";
out << "--------------------------\n";
IceSSL::operator<<(out, baseCertificates);
out << "\n\n";
}
}
IceSSL::SslTransceiverPtr
IceSSL::ServerContext::createTransceiver(int socket, const OpenSSLPluginIPtr& plugin)
{
if(_sslContext == 0)
{
ContextNotConfiguredException contextEx(__FILE__, __LINE__);
throw contextEx;
}
SSL* ssl = createSSLConnection(socket);
SslTransceiverPtr transceiver = new SslServerTransceiver(plugin, socket, _certificateVerifier, ssl);
transceiverSetup(transceiver);
return transceiver;
}
//
// Protected
//
IceSSL::ServerContext::ServerContext(const TraceLevelsPtr& traceLevels, const LoggerPtr& logger,
const PropertiesPtr& properties) :
Context(traceLevels, logger, properties)
{
_rsaPrivateKeyProperty = "IceSSL.Server.Overrides.RSA.PrivateKey";
_rsaPublicKeyProperty = "IceSSL.Server.Overrides.RSA.Certificate";
_dsaPrivateKeyProperty = "IceSSL.Server.Overrides.DSA.PrivateKey";
_dsaPublicKeyProperty = "IceSSL.Server.Overrides.DSA.Certificate";
_caCertificateProperty = "IceSSL.Server.Overrides.CACertificate";
_handshakeTimeoutProperty = "IceSSL.Server.Handshake.ReadTimeout";
_passphraseRetriesProperty = "IceSSL.Client.Passphrase.Retries";
}
void
IceSSL::ServerContext::loadCertificateAuthority(const CertificateAuthority& certAuth)
{
assert(_sslContext != 0);
Context::loadCertificateAuthority(certAuth);
string caFile = certAuth.getCAFileName();
if(caFile.empty())
{
return;
}
STACK_OF(X509_NAME)* certNames = SSL_load_client_CA_file(caFile.c_str());
if(certNames == 0)
{
if(_traceLevels->security >= SECURITY_WARNINGS)
{
Trace out(_logger, _traceLevels->securityCat);
out << "WRN unable to load certificate authorities certificate names from " << caFile << "\n";
out << sslGetErrors();
}
}
else
{
SSL_CTX_set_client_CA_list(_sslContext, certNames);
}
}
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