gss_get_name_attribute.c

/*
 * Copyright (c) 2010, 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.
 */

#include "mech_locl.h"

GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
gss_get_name_attribute(OM_uint32 *minor_status,
		       gss_name_t input_name,
		       gss_buffer_t attr,
		       int *authenticated,
		       int *complete,
		       gss_buffer_t value,
		       gss_buffer_t display_value,
		       int *more)
{
    OM_uint32 major_status = GSS_S_UNAVAILABLE;
    struct _gss_name *name = (struct _gss_name *) input_name;
    struct _gss_mechanism_name *mn;

    *minor_status = 0;
    if (authenticated != NULL)
        *authenticated = 0;
    if (complete != NULL)
        *complete = 0;
    _mg_buffer_zero(value);
    _mg_buffer_zero(display_value);

    if (input_name == GSS_C_NO_NAME)
        return GSS_S_BAD_NAME;

    HEIM_SLIST_FOREACH(mn, &name->gn_mn, gmn_link) {
        gssapi_mech_interface m = mn->gmn_mech;

        if (!m->gm_get_name_attribute)
            continue;

        major_status = m->gm_get_name_attribute(minor_status,
                                                mn->gmn_name,
                                                attr,
                                                authenticated,
                                                complete,
                                                value,
                                                display_value,
                                                more);
        if (GSS_ERROR(major_status))
            _gss_mg_error(m, major_status, *minor_status);
        else
            break;
    }

    return major_status;
}