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/* This file is part of the KDE project
*
* Copyright (C) 2000-2003 George Staikos <staikos@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "kssl.h"
#include <config.h>
#include <ksslconfig.h>
// this hack provided by Malte Starostik to avoid glibc/openssl bug
// on some systems
#ifdef KSSL_HAVE_SSL
#include <unistd.h>
#include <netinet/in.h>
#include <sys/socket.h>
#define crypt _openssl_crypt
#include <openssl/ssl.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/pem.h>
#include <openssl/rand.h>
#undef crypt
#endif
#include <kdebug.h>
#include <kstandarddirs.h>
#include <kopenssl.h>
#include <ksslx509v3.h>
#include <ksslcertificate.h>
#include <klocale.h>
#include <QtNetwork/QAbstractSocket>
#include <k3clientsocketbase.h>
#include <k3socketdevice.h>
#ifdef __GNUC__
#warning "kssl.cc contains temporary functions! Clean up"
#warning "kssl.cc needs to be ported to QSslSocket"
#endif
class KSSLPrivate {
public:
KSSLPrivate() {
kossl = KOpenSSLProxy::self();
}
~KSSLPrivate() {}
KSSLCertificate::KSSLValidation m_cert_vfy_res;
#ifdef KSSL_HAVE_SSL
SSL *m_ssl;
SSL_CTX *m_ctx;
SSL_METHOD *m_meth;
#endif
KOSSL *kossl;
};
KSSL::KSSL(bool init) {
d = new KSSLPrivate;
m_bInit = false;
m_bAutoReconfig = true;
m_cfg = new KSSLSettings();
#ifdef KSSL_HAVE_SSL
d->m_ssl = 0L;
#endif
if (init)
initialize();
}
KSSL::~KSSL() {
close();
delete m_cfg;
delete d;
}
int KSSL::seedWithEGD() {
int rc = 0;
#ifdef KSSL_HAVE_SSL
if (m_cfg->useEGD() && !m_cfg->getEGDPath().isEmpty()) {
rc = d->kossl->RAND_egd(m_cfg->getEGDPath().toLatin1().constData());
if (rc < 0)
kDebug(7029) << "KSSL: Error seeding PRNG with the EGD.";
else kDebug(7029) << "KSSL: PRNG was seeded with " << rc
<< " bytes from the EGD." << endl;
} else if (m_cfg->useEFile() && !m_cfg->getEGDPath().isEmpty()) {
rc = d->kossl->RAND_load_file(m_cfg->getEGDPath().toLatin1().constData(), -1);
if (rc < 0)
kDebug(7029) << "KSSL: Error seeding PRNG with the entropy file.";
else kDebug(7029) << "KSSL: PRNG was seeded with " << rc
<< " bytes from the entropy file." << endl;
}
#endif
return rc;
}
bool KSSL::initialize() {
#ifdef KSSL_HAVE_SSL
kDebug(7029) << "KSSL initialize";
if (m_bInit)
return false;
if (m_bAutoReconfig)
m_cfg->load();
seedWithEGD();
d->m_meth = d->kossl->SSLv23_client_method();
d->m_ctx = d->kossl->SSL_CTX_new(d->m_meth);
if (d->m_ctx == 0L) {
return false;
}
// set cipher list
QString clist = m_cfg->getCipherList();
kDebug(7029) << "Cipher list: " << clist;
if (!clist.isEmpty())
d->kossl->SSL_CTX_set_cipher_list(d->m_ctx, const_cast<char *>(clist.toLatin1().constData()));
m_bInit = true;
return true;
#else
return false;
#endif
}
void KSSL::close() {
#ifdef KSSL_HAVE_SSL
//kDebug(7029) << "KSSL close";
if (!m_bInit)
return;
if (d->m_ssl) {
d->kossl->SSL_shutdown(d->m_ssl);
d->kossl->SSL_free(d->m_ssl);
d->m_ssl = 0L;
}
d->kossl->SSL_CTX_free(d->m_ctx);
if (m_cfg->useEFile() && !m_cfg->getEGDPath().isEmpty()) {
d->kossl->RAND_write_file(m_cfg->getEGDPath().toLatin1().constData());
}
m_bInit = false;
#endif
}
bool KSSL::reInitialize() {
close();
return initialize();
}
// get the callback file - it's hidden away in here
//#include "ksslcallback.c"
bool KSSL::reconfig() {
return reInitialize();
}
void KSSL::setAutoReconfig(bool ar) {
m_bAutoReconfig = ar;
}
bool KSSL::setSettings(KSSLSettings *settings) {
delete m_cfg;
m_cfg = settings;
return reconfig();
}
KSSLSettings * KSSL::settings()
{
return m_cfg;
}
#ifdef KSSL_HAVE_SSL
bool KSSL::m_bSSLWorks = true;
#else
bool KSSL::m_bSSLWorks = false;
#endif
bool KSSL::doesSSLWork() {
return m_bSSLWorks;
}
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