aria2/src/LibgnutlsTLSContext.cc

134 lines
3.7 KiB
C++

/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#include "LibgnutlsTLSContext.h"
#ifdef HAVE_LIBGNUTLS
# include <gnutls/x509.h>
#endif // HAVE_LIBGNUTLS
#include "LogFactory.h"
#include "Logger.h"
#include "StringFormat.h"
#include "message.h"
namespace aria2 {
TLSContext::TLSContext():_certCred(0),
_peerVerificationEnabled(false),
_logger(LogFactory::getInstance())
{
int r = gnutls_certificate_allocate_credentials(&_certCred);
if(r == GNUTLS_E_SUCCESS) {
_good = true;
gnutls_certificate_set_verify_flags(_certCred,
GNUTLS_VERIFY_ALLOW_X509_V1_CA_CRT);
} else {
_good =false;
_logger->error("gnutls_certificate_allocate_credentials() failed."
" Cause: %s", gnutls_strerror(r));
}
}
TLSContext::~TLSContext()
{
if(_certCred) {
gnutls_certificate_free_credentials(_certCred);
}
}
bool TLSContext::good() const
{
return _good;
}
bool TLSContext::bad() const
{
return !_good;
}
void TLSContext::addClientKeyFile(const std::string& certfile,
const std::string& keyfile)
throw(DlAbortEx)
{
int ret = gnutls_certificate_set_x509_key_file(_certCred,
certfile.c_str(),
keyfile.c_str(),
GNUTLS_X509_FMT_PEM);
if(ret != GNUTLS_E_SUCCESS) {
throw DlAbortEx
(StringFormat("Failed to load client certificate from %s and"
" private key from %s. Cause: %s",
certfile.c_str(), keyfile.c_str(),
gnutls_strerror(ret)).str());
}
}
void TLSContext::addTrustedCACertFile(const std::string& certfile)
throw(DlAbortEx)
{
int ret = gnutls_certificate_set_x509_trust_file(_certCred,
certfile.c_str(),
GNUTLS_X509_FMT_PEM);
if(ret < 0) {
throw DlAbortEx
(StringFormat
(MSG_LOADING_TRUSTED_CA_CERT_FAILED,
certfile.c_str(), gnutls_strerror(ret)).str());
}
_logger->info("%d certificate(s) were imported.", ret);
}
gnutls_certificate_credentials_t TLSContext::getCertCred() const
{
return _certCred;
}
void TLSContext::enablePeerVerification()
{
_peerVerificationEnabled = true;
}
void TLSContext::disablePeerVerification()
{
_peerVerificationEnabled = false;
}
bool TLSContext::peerVerificationEnabled() const
{
return _peerVerificationEnabled;
}
} // namespace aria2