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/* gs2helper.c --- GS2 helper functions common to client and server.
* Copyright (C) 2010-2025 Simon Josefsson
*
* This file is part of GNU SASL Library.
*
* GNU SASL Library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* GNU SASL 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with GNU SASL Library; if not, see
* <https://www.gnu.org/licenses/>.
*
*/
#include <config.h>
/* Get strcmp. */
#include <string.h>
/* Get malloc, free. */
#include <stdlib.h>
/* Get specification. */
#include "gs2helper.h"
/* Populate mech_oid with OID for the current SASL mechanism name. A
bit silly given that we only support Kerberos V5 today, but will be
useful when that changes. */
int
gs2_get_oid (Gsasl_session *sctx, gss_OID *mech_oid)
{
gss_buffer_desc sasl_mech_name;
OM_uint32 maj_stat, min_stat;
sasl_mech_name.value = (void *) gsasl_mechanism_name (sctx);
if (!sasl_mech_name.value)
return GSASL_AUTHENTICATION_ERROR;
sasl_mech_name.length = strlen (sasl_mech_name.value);
maj_stat = gss_inquire_mech_for_saslname (&min_stat, &sasl_mech_name,
mech_oid);
if (GSS_ERROR (maj_stat))
return GSASL_GSSAPI_INQUIRE_MECH_FOR_SASLNAME_ERROR;
return GSASL_OK;
}
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