lib/libgss/g_inquire_context.c

	g_inquire_context.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

/*
 *  glue routine for gss_inquire_context
 */

#include <mechglueP.h>
#include <stdlib.h>

/* Last argument new for V2 */
OM_uint32
gss_inquire_context(
        minor_status,
        context_handle,
        src_name,
        targ_name,
        lifetime_rec,
        mech_type,
        ctx_flags,
        locally_initiated,
        open)

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;

{
    gss_union_ctx_id_t  ctx;
    gss_mechanism       mech;
    OM_uint32       status, temp_minor;
    gss_name_t localTargName = NULL, localSourceName = NULL;

    if (!minor_status)
        return (GSS_S_CALL_INACCESSIBLE_WRITE);

    *minor_status = 0;

    /* if the context_handle is Null, return NO_CONTEXT error */
    if (context_handle == GSS_C_NO_CONTEXT)
        return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT);

    /* set all output value to NULL */
    if (src_name)
        *src_name = NULL;

    if (targ_name)
        *targ_name = NULL;

    if (mech_type)
        *mech_type = NULL;

    /*
     * select the approprate underlying mechanism routine and
     * call it.
     */

    ctx = (gss_union_ctx_id_t)context_handle;
    mech = __gss_get_mechanism(ctx->mech_type);

    if (!mech || !mech->gss_inquire_context || !mech->gss_display_name ||
        !mech->gss_release_name) {
        return (GSS_S_UNAVAILABLE);
    }

    status = mech->gss_inquire_context(
                mech->context,
                minor_status,
                ctx->internal_ctx_id,
                (src_name ? &localSourceName : NULL),
                (targ_name ? &localTargName : NULL),
                lifetime_rec,
                NULL,
                ctx_flags,
                locally_initiated,
                open);

    if (status != GSS_S_COMPLETE) {
        return (status);
    }

    /* need to convert names */
    if (src_name) {
        status = __gss_convert_name_to_union_name(minor_status, mech,
                        localSourceName, src_name);
        if (status != GSS_S_COMPLETE) {
            if (localTargName)
                mech->gss_release_name(mech->context,
                        &temp_minor, &localTargName);
            return (status);
        }
    }

    if (targ_name) {
        status = __gss_convert_name_to_union_name(minor_status, mech,
                        localTargName, targ_name);

        if (status != GSS_S_COMPLETE) {
            if (src_name)
                (void) gss_release_name(&temp_minor, src_name);

            return (status);
        }
    }

    /* spec says mech type must point to static storage */
    if (mech_type)
        *mech_type = &mech->mech_type;
    return (GSS_S_COMPLETE);
}