/*-
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (c) 2005 Doug Rabson
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 THE AUTHOR 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.
 */

#include <gssapi/gssapi.h>

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

OM_uint32
gss_inquire_context(OM_uint32 *minor_status,
    const gss_ctx_id_t context_handle,
    gss_name_t *src_name,
    gss_name_t *targ_name,
    OM_uint32 *lifetime_rec,
    gss_OID *mech_type,
    OM_uint32 *ctx_flags,
    int *locally_initiated,
    int *open)
{
        OM_uint32 major_status;
        struct _gss_context *ctx = (struct _gss_context *) context_handle;
        struct _gss_mech_switch *m = ctx->gc_mech;
        struct _gss_name *name;
        gss_name_t src_mn, targ_mn;

        if (locally_initiated)
                *locally_initiated = 0;
        if (open)
                *open = 0;
        if (lifetime_rec)
                *lifetime_rec = 0;

        if (src_name)
                *src_name = GSS_C_NO_NAME;
        if (targ_name)
                *targ_name = GSS_C_NO_NAME;
        if (mech_type)
                *mech_type = GSS_C_NO_OID;
        src_mn = targ_mn = GSS_C_NO_NAME;

        major_status = m->gm_inquire_context(minor_status,
            ctx->gc_ctx,
            src_name ? &src_mn : NULL,
            targ_name ? &targ_mn : NULL,
            lifetime_rec,
            mech_type,
            ctx_flags,
            locally_initiated,
            open);

        if (major_status != GSS_S_COMPLETE) {
                _gss_mg_error(m, major_status, *minor_status);
                return (major_status);
        }

        if (src_name) {
                name = _gss_make_name(m, src_mn);
                if (!name) {
                        if (mech_type)
                                *mech_type = GSS_C_NO_OID;
                        m->gm_release_name(minor_status, &src_mn);
                        *minor_status = 0;
                        return (GSS_S_FAILURE);
                }
                *src_name = (gss_name_t) name;
        }

        if (targ_name) {
                name = _gss_make_name(m, targ_mn);
                if (!name) {
                        if (mech_type)
                                *mech_type = GSS_C_NO_OID;
                        if (src_name)
                                gss_release_name(minor_status, src_name);
                        m->gm_release_name(minor_status, &src_mn);
                        minor_status = NULL;
                        return (GSS_S_FAILURE);
                }
                *targ_name = (gss_name_t) name;
        }

        return (GSS_S_COMPLETE);
}