/* 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.
 */

#if KSSL_HAVE_SSL
#ifndef _kde_ksslcallback_c
#define _kde_ksslcallback_c

X509 *KSSL_X509CallBack_ca;
bool KSSL_X509CallBack_ca_found;

extern "C" {
    static int X509Callback(int ok, X509_STORE_CTX *ctx)
    {

        //qDebug() << "X509Callback: ok = " << ok << " error = " << ctx->error << " depth = " << ctx->error_depth;
        // Here is how this works.  We put "ok = 1;" in any case that we
        // don't consider to be an error.  In that case, it will return OK
        // for the certificate check as long as there are no other critical
        // errors.  Don't forget that there can be multiple errors.
        //
        // Of course we can also put other code in here but any data returned
        // back will not be threadsafe ofcourse.

        if (KSSL_X509CallBack_ca) {
            if (KOSSL::self()->X509_cmp(KOSSL::self()->X509_STORE_CTX_get_current_cert(ctx), KSSL_X509CallBack_ca) != 0) {
                return 1;    // Ignore errors for this certificate
            }

            KSSL_X509CallBack_ca_found = true;
        }

        if (!ok) {
            switch (KOSSL::self()->X509_STORE_CTX_get_error(ctx)) {
            case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
            case X509_V_ERR_UNABLE_TO_GET_CRL:
            case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE:
            case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE:
            case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY:
            case X509_V_ERR_CERT_SIGNATURE_FAILURE:
            case X509_V_ERR_CRL_SIGNATURE_FAILURE:
            case X509_V_ERR_CERT_NOT_YET_VALID:
            case X509_V_ERR_CERT_HAS_EXPIRED:
            case X509_V_ERR_CRL_NOT_YET_VALID:
            case X509_V_ERR_CRL_HAS_EXPIRED:
            case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
            case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
            case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD:
            case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD:
            case X509_V_ERR_OUT_OF_MEM:
            case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
            case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN:
            case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
            case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE:
            case X509_V_ERR_CERT_CHAIN_TOO_LONG:
            case X509_V_ERR_CERT_REVOKED:
            case X509_V_ERR_INVALID_CA:
            case X509_V_ERR_PATH_LENGTH_EXCEEDED:
            case X509_V_ERR_INVALID_PURPOSE:
            case X509_V_ERR_CERT_UNTRUSTED:
            case X509_V_ERR_CERT_REJECTED:
            case X509_V_ERR_APPLICATION_VERIFICATION:
            default:
                break;
            }
        }

        return (ok);
    }
}

#endif
#endif

