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      1 /*	$NetBSD: gss_display_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_display_name.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
     29  */
     30 
     31 #include "mech_locl.h"
     32 
     33 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
     34 gss_display_name(OM_uint32 *minor_status,
     35     gss_const_name_t input_name,
     36     gss_buffer_t output_name_buffer,
     37     gss_OID *output_name_type)
     38 {
     39 	OM_uint32 major_status;
     40 	struct _gss_name *name = (struct _gss_name *) input_name;
     41 	struct _gss_mechanism_name *mn;
     42 
     43 	_mg_buffer_zero(output_name_buffer);
     44 	if (output_name_type)
     45 	    *output_name_type = GSS_C_NO_OID;
     46 
     47 	if (name == NULL) {
     48 		*minor_status = 0;
     49 		return (GSS_S_BAD_NAME);
     50 	}
     51 
     52 	/*
     53 	 * If we know it, copy the buffer used to import the name in
     54 	 * the first place. Otherwise, ask all the MNs in turn if
     55 	 * they can display the thing.
     56 	 */
     57 	if (name->gn_value.value) {
     58 		output_name_buffer->value = malloc(name->gn_value.length);
     59 		if (!output_name_buffer->value) {
     60 			*minor_status = ENOMEM;
     61 			return (GSS_S_FAILURE);
     62 		}
     63 		output_name_buffer->length = name->gn_value.length;
     64 		memcpy(output_name_buffer->value, name->gn_value.value,
     65 		    output_name_buffer->length);
     66 		if (output_name_type)
     67 			*output_name_type = &name->gn_type;
     68 
     69 		*minor_status = 0;
     70 		return (GSS_S_COMPLETE);
     71 	} else {
     72 		HEIM_SLIST_FOREACH(mn, &name->gn_mn, gmn_link) {
     73 			major_status = mn->gmn_mech->gm_display_name(
     74 				minor_status, mn->gmn_name,
     75 				output_name_buffer,
     76 				output_name_type);
     77 			if (major_status == GSS_S_COMPLETE)
     78 				return (GSS_S_COMPLETE);
     79 		}
     80 	}
     81 
     82 	*minor_status = 0;
     83 	return (GSS_S_FAILURE);
     84 }
     85