xref: /freebsd-src/crypto/heimdal/lib/gssapi/mech/gss_display_name.c (revision 6a068746777241722b2b32c5d0bc443a2a64d80b)
1*ae771770SStanislav Sedov /*-
2*ae771770SStanislav Sedov  * Copyright (c) 2005 Doug Rabson
3*ae771770SStanislav Sedov  * All rights reserved.
4*ae771770SStanislav Sedov  *
5*ae771770SStanislav Sedov  * Redistribution and use in source and binary forms, with or without
6*ae771770SStanislav Sedov  * modification, are permitted provided that the following conditions
7*ae771770SStanislav Sedov  * are met:
8*ae771770SStanislav Sedov  * 1. Redistributions of source code must retain the above copyright
9*ae771770SStanislav Sedov  *    notice, this list of conditions and the following disclaimer.
10*ae771770SStanislav Sedov  * 2. Redistributions in binary form must reproduce the above copyright
11*ae771770SStanislav Sedov  *    notice, this list of conditions and the following disclaimer in the
12*ae771770SStanislav Sedov  *    documentation and/or other materials provided with the distribution.
13*ae771770SStanislav Sedov  *
14*ae771770SStanislav Sedov  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15*ae771770SStanislav Sedov  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*ae771770SStanislav Sedov  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*ae771770SStanislav Sedov  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18*ae771770SStanislav Sedov  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*ae771770SStanislav Sedov  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*ae771770SStanislav Sedov  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*ae771770SStanislav Sedov  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*ae771770SStanislav Sedov  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*ae771770SStanislav Sedov  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*ae771770SStanislav Sedov  * SUCH DAMAGE.
25*ae771770SStanislav Sedov  *
26*ae771770SStanislav Sedov  *	$FreeBSD: src/lib/libgssapi/gss_display_name.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
27*ae771770SStanislav Sedov  */
28*ae771770SStanislav Sedov 
29*ae771770SStanislav Sedov #include "mech_locl.h"
30*ae771770SStanislav Sedov 
31*ae771770SStanislav Sedov GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
gss_display_name(OM_uint32 * minor_status,const gss_name_t input_name,gss_buffer_t output_name_buffer,gss_OID * output_name_type)32*ae771770SStanislav Sedov gss_display_name(OM_uint32 *minor_status,
33*ae771770SStanislav Sedov     const gss_name_t input_name,
34*ae771770SStanislav Sedov     gss_buffer_t output_name_buffer,
35*ae771770SStanislav Sedov     gss_OID *output_name_type)
36*ae771770SStanislav Sedov {
37*ae771770SStanislav Sedov 	OM_uint32 major_status;
38*ae771770SStanislav Sedov 	struct _gss_name *name = (struct _gss_name *) input_name;
39*ae771770SStanislav Sedov 	struct _gss_mechanism_name *mn;
40*ae771770SStanislav Sedov 
41*ae771770SStanislav Sedov 	_mg_buffer_zero(output_name_buffer);
42*ae771770SStanislav Sedov 	if (output_name_type)
43*ae771770SStanislav Sedov 	    *output_name_type = GSS_C_NO_OID;
44*ae771770SStanislav Sedov 
45*ae771770SStanislav Sedov 	if (name == NULL) {
46*ae771770SStanislav Sedov 		*minor_status = 0;
47*ae771770SStanislav Sedov 		return (GSS_S_BAD_NAME);
48*ae771770SStanislav Sedov 	}
49*ae771770SStanislav Sedov 
50*ae771770SStanislav Sedov 	/*
51*ae771770SStanislav Sedov 	 * If we know it, copy the buffer used to import the name in
52*ae771770SStanislav Sedov 	 * the first place. Otherwise, ask all the MNs in turn if
53*ae771770SStanislav Sedov 	 * they can display the thing.
54*ae771770SStanislav Sedov 	 */
55*ae771770SStanislav Sedov 	if (name->gn_value.value) {
56*ae771770SStanislav Sedov 		output_name_buffer->value = malloc(name->gn_value.length);
57*ae771770SStanislav Sedov 		if (!output_name_buffer->value) {
58*ae771770SStanislav Sedov 			*minor_status = ENOMEM;
59*ae771770SStanislav Sedov 			return (GSS_S_FAILURE);
60*ae771770SStanislav Sedov 		}
61*ae771770SStanislav Sedov 		output_name_buffer->length = name->gn_value.length;
62*ae771770SStanislav Sedov 		memcpy(output_name_buffer->value, name->gn_value.value,
63*ae771770SStanislav Sedov 		    output_name_buffer->length);
64*ae771770SStanislav Sedov 		if (output_name_type)
65*ae771770SStanislav Sedov 			*output_name_type = &name->gn_type;
66*ae771770SStanislav Sedov 
67*ae771770SStanislav Sedov 		*minor_status = 0;
68*ae771770SStanislav Sedov 		return (GSS_S_COMPLETE);
69*ae771770SStanislav Sedov 	} else {
70*ae771770SStanislav Sedov 		HEIM_SLIST_FOREACH(mn, &name->gn_mn, gmn_link) {
71*ae771770SStanislav Sedov 			major_status = mn->gmn_mech->gm_display_name(
72*ae771770SStanislav Sedov 				minor_status, mn->gmn_name,
73*ae771770SStanislav Sedov 				output_name_buffer,
74*ae771770SStanislav Sedov 				output_name_type);
75*ae771770SStanislav Sedov 			if (major_status == GSS_S_COMPLETE)
76*ae771770SStanislav Sedov 				return (GSS_S_COMPLETE);
77*ae771770SStanislav Sedov 		}
78*ae771770SStanislav Sedov 	}
79*ae771770SStanislav Sedov 
80*ae771770SStanislav Sedov 	*minor_status = 0;
81*ae771770SStanislav Sedov 	return (GSS_S_FAILURE);
82*ae771770SStanislav Sedov }
83