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      1 /*	$NetBSD: gss_export_name.c,v 1.2 2017/01/28 21:31:46 christos Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2005 Doug Rabson
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  *
     28  *	$FreeBSD: src/lib/libgssapi/gss_export_name.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
     29  */
     30 
     31 #include "mech_locl.h"
     32 
     33 /**
     34  * Convert a GGS-API name from internal form to contiguous string.
     35  *
     36  * @sa gss_import_name(), @ref internalVSmechname.
     37  *
     38  * @param minor_status   minor status code
     39  * @param input_name     input name in internal name form
     40  * @param exported_name  output name in contiguos string form
     41  *
     42  * @returns a gss_error code, see gss_display_status() about printing
     43  *        the error code.
     44  *
     45  * @ingroup gssapi
     46  */
     47 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
     48 gss_export_name(OM_uint32 *minor_status,
     49     gss_const_name_t input_name,
     50     gss_buffer_t exported_name)
     51 {
     52 	struct _gss_name *name = (struct _gss_name *) input_name;
     53 	struct _gss_mechanism_name *mn;
     54 
     55 	_mg_buffer_zero(exported_name);
     56 
     57 	/*
     58 	 * If this name already has any attached MNs, export the first
     59 	 * one, otherwise export based on the first mechanism in our
     60 	 * list.
     61 	 */
     62 	mn = HEIM_SLIST_FIRST(&name->gn_mn);
     63 	if (!mn) {
     64 		*minor_status = 0;
     65 		return (GSS_S_NAME_NOT_MN);
     66 	}
     67 
     68 	return mn->gmn_mech->gm_export_name(minor_status,
     69 	    mn->gmn_name, exported_name);
     70 }
     71