aria2/src/LibgnutlsTLSContext.cc

143 lines
4.5 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 "fmt.h"
#include "message.h"
namespace aria2 {
TLSContext* TLSContext::make(TLSSessionSide side)
{
return new GnuTLSContext(side);
}
GnuTLSContext::GnuTLSContext(TLSSessionSide side)
: certCred_(0),
side_(side),
verifyPeer_(true)
{
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;
A2_LOG_ERROR(fmt("gnutls_certificate_allocate_credentials() failed."
" Cause: %s",
gnutls_strerror(r)));
}
}
GnuTLSContext::~GnuTLSContext()
{
if(certCred_) {
gnutls_certificate_free_credentials(certCred_);
}
}
bool GnuTLSContext::good() const
{
return good_;
}
bool GnuTLSContext::addCredentialFile(const std::string& certfile,
const std::string& keyfile)
{
int ret = gnutls_certificate_set_x509_key_file(certCred_,
certfile.c_str(),
keyfile.c_str(),
GNUTLS_X509_FMT_PEM);
if(ret == GNUTLS_E_SUCCESS) {
A2_LOG_INFO(fmt
("Credential files(cert=%s, key=%s) were successfully added.",
certfile.c_str(), keyfile.c_str()));
return true;
} else {
A2_LOG_ERROR(fmt("Failed to load certificate from %s and"
" private key from %s. Cause: %s",
certfile.c_str(), keyfile.c_str(),
gnutls_strerror(ret)));
return false;
}
}
bool GnuTLSContext::addSystemTrustedCACerts()
{
#ifdef HAVE_GNUTLS_CERTIFICATE_SET_X509_SYSTEM_TRUST
int ret = gnutls_certificate_set_x509_system_trust(certCred_);
if(ret < 0) {
A2_LOG_INFO(fmt(MSG_LOADING_SYSTEM_TRUSTED_CA_CERTS_FAILED,
gnutls_strerror(ret)));
return false;
} else {
A2_LOG_INFO(fmt("%d certificate(s) were imported.", ret));
return true;
}
#else
A2_LOG_INFO("System certificates not supported");
return false;
#endif
}
bool GnuTLSContext::addTrustedCACertFile(const std::string& certfile)
{
int ret = gnutls_certificate_set_x509_trust_file(certCred_,
certfile.c_str(),
GNUTLS_X509_FMT_PEM);
if(ret < 0) {
A2_LOG_ERROR(fmt(MSG_LOADING_TRUSTED_CA_CERT_FAILED,
certfile.c_str(), gnutls_strerror(ret)));
return false;
} else {
A2_LOG_INFO(fmt("%d certificate(s) were imported.", ret));
return true;
}
}
gnutls_certificate_credentials_t GnuTLSContext::getCertCred() const
{
return certCred_;
}
} // namespace aria2