ksslsettings.cpp

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/* This file is part of the KDE project
 *
 * Copyright (C) 2000 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 "ksslsettings.h"

#include <config.h>
#include <ksslconfig.h>

#include <sys/types.h>
#include <sys/stat.h>

#include <stdlib.h>
#include <pwd.h>
#include <unistd.h>

#include <QtCore/QFile>

#include <kglobal.h>
#include <kstandarddirs.h>
#include <kdebug.h>
#include <kconfiggroup.h>

// this hack provided by Malte Starostik to avoid glibc/openssl bug
// on some systems
#ifdef KSSL_HAVE_SSL
#define crypt _openssl_crypt
#include <openssl/ssl.h>
#undef crypt
#endif

#include <kopenssl.h>

#ifdef KSSL_HAVE_SSL
#define sk_new d->kossl->sk_new
#define sk_push d->kossl->sk_push
#define sk_free d->kossl->sk_free
#define sk_value d->kossl->sk_value
#define sk_num d->kossl->sk_num
#define sk_dup d->kossl->sk_dup
#define sk_pop d->kossl->sk_pop
#endif

class CipherNode {
    public:
        CipherNode(const char *_name, int _keylen) :
            name(_name), keylen(_keylen) {}
        QString name;
        int keylen;
        inline int operator==(CipherNode &x)
        { return ((x.keylen == keylen) && (x.name == name)); }
        inline int operator< (CipherNode &x) { return keylen < x.keylen;  }
        inline int operator<=(CipherNode &x) { return keylen <= x.keylen; }
        inline int operator> (CipherNode &x) { return keylen > x.keylen;  }
        inline int operator>=(CipherNode &x) { return keylen >= x.keylen; }
};


class KSSLSettingsPrivate {
    public:
        KSSLSettingsPrivate() {
            kossl = 0L;   // try to delay this as long as possible
        }
        ~KSSLSettingsPrivate() {

        }

        KOSSL *kossl;
        bool m_bUseEGD;
        bool m_bUseEFile;
        QString m_EGDPath;
        bool m_bSendX509;
        bool m_bPromptX509;
};

//
// FIXME
// Implementation note: for now, we only read cipher settings from disk,
//                      and do not store them in memory.  This should change.
//

KSSLSettings::KSSLSettings(bool readConfig)
    :d(new KSSLSettingsPrivate)
{
        m_cfg = new KConfig("cryptodefaults", KConfig::NoGlobals);

    if (!KGlobal::dirs()->addResourceType("kssl", "data", "kssl")) {
        //kDebug(7029) << "Error adding (kssl, share/apps/kssl)";
    }

    if (readConfig) load();
}


// we don't save settings incase it was a temporary object
KSSLSettings::~KSSLSettings() {
    delete m_cfg;
    delete d;
}


QString KSSLSettings::getCipherList() {
    QString clist;
    // TODO fill in list here (or just remove this method!)
    return clist;
}

// FIXME - sync these up so that we can use them with the control module!!
void KSSLSettings::load() {
    m_cfg->reparseConfiguration();

        KConfigGroup cfg(m_cfg, "Warnings");
    m_bWarnOnEnter = cfg.readEntry("OnEnter", false);
    m_bWarnOnLeave = cfg.readEntry("OnLeave", true);
    m_bWarnOnUnencrypted = cfg.readEntry("OnUnencrypted", false);
    m_bWarnOnMixed = cfg.readEntry("OnMixed", true);

    cfg = KConfigGroup(m_cfg, "Validation");
    m_bWarnSelfSigned = cfg.readEntry("WarnSelfSigned", true);
    m_bWarnExpired = cfg.readEntry("WarnExpired", true);
    m_bWarnRevoked = cfg.readEntry("WarnRevoked", true);

    cfg = KConfigGroup(m_cfg, "EGD");
    d->m_bUseEGD = cfg.readEntry("UseEGD", false);
    d->m_bUseEFile = cfg.readEntry("UseEFile", false);
    d->m_EGDPath = cfg.readPathEntry("EGDPath", QString());

    cfg = KConfigGroup(m_cfg, "Auth");
    d->m_bSendX509 = ("send" == cfg.readEntry("AuthMethod", ""));
    d->m_bPromptX509 = ("prompt" == cfg.readEntry("AuthMethod", ""));

#ifdef KSSL_HAVE_SSL



#endif
}


void KSSLSettings::defaults() {
    m_bWarnOnEnter = false;
    m_bWarnOnLeave = true;
    m_bWarnOnUnencrypted = true;
    m_bWarnOnMixed = true;
    m_bWarnSelfSigned = true;
    m_bWarnExpired = true;
    m_bWarnRevoked = true;
    d->m_bUseEGD = false;
    d->m_bUseEFile = false;
    d->m_EGDPath = "";
}


void KSSLSettings::save() {
        KConfigGroup cfg(m_cfg, "Warnings");
    cfg.writeEntry("OnEnter", m_bWarnOnEnter);
    cfg.writeEntry("OnLeave", m_bWarnOnLeave);
    cfg.writeEntry("OnUnencrypted", m_bWarnOnUnencrypted);
    cfg.writeEntry("OnMixed", m_bWarnOnMixed);

    cfg = KConfigGroup(m_cfg, "Validation");
    cfg.writeEntry("WarnSelfSigned", m_bWarnSelfSigned);
    cfg.writeEntry("WarnExpired", m_bWarnExpired);
    cfg.writeEntry("WarnRevoked", m_bWarnRevoked);

    cfg = KConfigGroup(m_cfg, "EGD");
    cfg.writeEntry("UseEGD", d->m_bUseEGD);
    cfg.writeEntry("UseEFile", d->m_bUseEFile);
    cfg.writePathEntry("EGDPath", d->m_EGDPath);

    m_cfg->sync();
    // FIXME - ciphers
#if 0
#ifdef KSSL_HAVE_SSL
    cfg.setGroup("SSLv3");
    for (unsigned int i = 0; i < v3ciphers.count(); i++) {
        QString ciphername;
        ciphername.sprintf("cipher_%s", v3ciphers[i].ascii());
        if (v3selectedciphers.contains(v3ciphers[i])) {
            cfg.writeEntry(ciphername, true);
        } else cfg.writeEntry(ciphername, false);
    }
        m_cfg->sync();
#endif

    // insure proper permissions -- contains sensitive data
    QString cfgName(KGlobal::dirs()->findResource("config", "cryptodefaults"));
    if (!cfgName.isEmpty())
        KDE::chmod(cfgName, 0600);
#endif
}


bool KSSLSettings::warnOnEnter() const       { return m_bWarnOnEnter; }
void KSSLSettings::setWarnOnEnter(bool x)    { m_bWarnOnEnter = x; }
bool KSSLSettings::warnOnUnencrypted() const { return m_bWarnOnUnencrypted; }
void KSSLSettings::setWarnOnUnencrypted(bool x) { m_bWarnOnUnencrypted = x; }
bool KSSLSettings::warnOnLeave() const       { return m_bWarnOnLeave; }
void KSSLSettings::setWarnOnLeave(bool x)    { m_bWarnOnLeave = x; }
bool KSSLSettings::warnOnMixed() const       { return m_bWarnOnMixed; }
bool KSSLSettings::useEGD() const            { return d->m_bUseEGD;      }
bool KSSLSettings::useEFile() const          { return d->m_bUseEFile;    }
bool KSSLSettings::autoSendX509() const      { return d->m_bSendX509; }
bool KSSLSettings::promptSendX509() const    { return d->m_bPromptX509; }
QString& KSSLSettings::getEGDPath()       { return d->m_EGDPath; }

#ifdef KSSL_HAVE_SSL
#undef sk_new
#undef sk_push
#undef sk_free
#undef sk_value
#undef sk_num
#undef sk_pop
#undef sk_dup
#endif