root/lib/libgssapi/gss_set_sec_context_option.c
/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (c) 2004, PADL Software Pty Ltd.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of PADL Software nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */
/* RCSID("$Id: gss_set_sec_context_option.c 19928 2007-01-16 10:37:54Z lha $"); */

#include <gssapi/gssapi.h>

#include "mech_switch.h"
#include "context.h"

OM_uint32
gss_set_sec_context_option (OM_uint32 *minor_status,
                            gss_ctx_id_t *context_handle,
                            const gss_OID object,
                            const gss_buffer_t value)
{
        struct _gss_context     *ctx;
        OM_uint32               major_status;
        struct _gss_mech_switch *m;
        int                     one_ok = 0;

        *minor_status = 0;

        if (context_handle == NULL) {
                _gss_load_mech();
                major_status = GSS_S_BAD_MECH;
                SLIST_FOREACH(m, &_gss_mechs, gm_link) {
                        if (!m->gm_set_sec_context_option)
                                continue;
                        major_status = m->gm_set_sec_context_option(
                                minor_status,
                                NULL, object, value);
                        if (major_status == GSS_S_COMPLETE)
                                one_ok = 1;
                }
                if (one_ok) {
                        *minor_status = 0;
                        return (GSS_S_COMPLETE);
                }
                return (major_status);
        }

        ctx = (struct _gss_context *) *context_handle;

        if (ctx == NULL)
                return (GSS_S_NO_CONTEXT);

        m = ctx->gc_mech;

        if (m == NULL)
                return (GSS_S_BAD_MECH);

        if (m->gm_set_sec_context_option != NULL) {
                major_status = m->gm_set_sec_context_option(minor_status,
                    &ctx->gc_ctx, object, value);
                if (major_status != GSS_S_COMPLETE)
                        _gss_mg_error(m, major_status, *minor_status);
        } else
                major_status = (GSS_S_BAD_MECH);

        return (major_status);
}