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tdelibs/tdeio/kssl/ksslcallback.c

97 lines
3.7 KiB

/* 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.
*/
#ifdef 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) {
kdDebug(7029) << "X509Callback: ok = " << ok << " error = " << KOSSL::self()->X509_STORE_CTX_get_error(ctx) << " depth = "
<< KOSSL::self()->X509_STORE_CTX_get_error_depth(ctx) << endl;
// 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 &&
/*
* With OpenSSL >= 1.1 certificate in chain can be replaced by a certificate from the local certificate store.
* It is therefore necessary to compare the subject name, rather than the entire certificate.
*/
KOSSL::self()->X509_subject_name_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