/* -*- mode: c; indent-tabs-mode: nil -*- */

/*

 * Copyright 2009 by the Massachusetts Institute of Technology.

 * All Rights Reserved.

 *

 * Export of this software from the United States of America may

 *   require a specific license from the United States Government.

 *   It is the responsibility of any person or organization contemplating

 *   export to obtain such a license before exporting.

 *

 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and

 * distribute this software and its documentation for any purpose and

 * without fee is hereby granted, provided that the above copyright

 * notice appear in all copies and that both that copyright notice and

 * this permission notice appear in supporting documentation, and that

 * the name of M.I.T. not be used in advertising or publicity pertaining

 * to distribution of the software without specific, written prior

 * permission.  Furthermore if you modify this software you must label

 * your software as modified software and not distribute it in such a

 * fashion that it might be confused with the original M.I.T. software.

 * M.I.T. makes no representations about the suitability of

 * this software for any purpose.  It is provided "as is" without express

 * or implied warranty.

 */

/* Glue routine for gss_inquire_name */

#include "mglueP.h"

OM_uint32 KRB5_CALLCONV

gss_inquire_name(OM_uint32 *minor_status,

                 gss_name_t name,

                 int *name_is_MN,

                 gss_OID *MN_mech,

                 gss_buffer_set_t *attrs)

{

    OM_uint32           status, tmp;

    gss_union_name_t    union_name;

    gss_mechanism       mech;

    if (minor_status != NULL)

        *minor_status = 0;

    if (MN_mech != NULL)

        *MN_mech = GSS_C_NO_OID;

    if (attrs != NULL)

        *attrs = GSS_C_NO_BUFFER_SET;

    if (minor_status == NULL)

        return GSS_S_CALL_INACCESSIBLE_WRITE;

    if (name == GSS_C_NO_NAME)

        return GSS_S_CALL_INACCESSIBLE_READ | GSS_S_BAD_NAME;

    union_name = (gss_union_name_t)name;

    if (union_name->mech_type == GSS_C_NO_OID) {

        /* We don't yet support non-mechanism attributes */

        if (name_is_MN != NULL)

            *name_is_MN = 0;

        *minor_status = 0;

        return GSS_S_COMPLETE;

    }

    if (name_is_MN != NULL)

        *name_is_MN = 1;

    if (MN_mech != NULL) {

        status = generic_gss_copy_oid(minor_status,

                                      union_name->mech_type,

                                      MN_mech);

        if (GSS_ERROR(status))

            return status;

    }

    mech = gssint_get_mechanism(name->mech_type);

    if (mech == NULL) {

        gss_release_oid(&tmp, MN_mech);

        return GSS_S_BAD_NAME;

    }

    if (mech->gss_inquire_name == NULL) {

        gss_release_oid(&tmp, MN_mech);

        return GSS_S_UNAVAILABLE;

    }

    status = (*mech->gss_inquire_name)(minor_status,

                                       union_name->mech_name,

                                       NULL,

                                       NULL,

                                       attrs);

    if (status != GSS_S_COMPLETE) {

        generic_gss_release_oid(&tmp, MN_mech);

        map_error(minor_status, mech);

    }

    return status;

}