1/*	$NetBSD: gss_names.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_names.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
29 */
30
31#include "mech_locl.h"
32
33OM_uint32
34_gss_find_mn(OM_uint32 *minor_status, struct _gss_name *name, gss_OID mech,
35	     struct _gss_mechanism_name **output_mn)
36{
37	OM_uint32 major_status;
38	gssapi_mech_interface m;
39	struct _gss_mechanism_name *mn;
40
41	*output_mn = NULL;
42
43	HEIM_SLIST_FOREACH(mn, &name->gn_mn, gmn_link) {
44		if (gss_oid_equal(mech, mn->gmn_mech_oid))
45			break;
46	}
47
48	if (!mn) {
49		/*
50		 * If this name is canonical (i.e. there is only an
51		 * MN but it is from a different mech), give up now.
52		 */
53		if (!name->gn_value.value)
54			return GSS_S_BAD_NAME;
55
56		m = __gss_get_mechanism(mech);
57		if (!m)
58			return (GSS_S_BAD_MECH);
59
60		mn = malloc(sizeof(struct _gss_mechanism_name));
61		if (!mn)
62			return GSS_S_FAILURE;
63
64		major_status = m->gm_import_name(minor_status,
65		    &name->gn_value,
66		    (name->gn_type.elements
67			? &name->gn_type : GSS_C_NO_OID),
68		    &mn->gmn_name);
69		if (major_status != GSS_S_COMPLETE) {
70			_gss_mg_error(m, major_status, *minor_status);
71			free(mn);
72			return major_status;
73		}
74
75		mn->gmn_mech = m;
76		mn->gmn_mech_oid = &m->gm_mech_oid;
77		HEIM_SLIST_INSERT_HEAD(&name->gn_mn, mn, gmn_link);
78	}
79	*output_mn = mn;
80	return 0;
81}
82
83
84/*
85 * Make a name from an MN.
86 */
87struct _gss_name *
88_gss_make_name(gssapi_mech_interface m, gss_name_t new_mn)
89{
90	struct _gss_name *name;
91	struct _gss_mechanism_name *mn;
92
93	name = malloc(sizeof(struct _gss_name));
94	if (!name)
95		return (0);
96	memset(name, 0, sizeof(struct _gss_name));
97
98	mn = malloc(sizeof(struct _gss_mechanism_name));
99	if (!mn) {
100		free(name);
101		return (0);
102	}
103
104	HEIM_SLIST_INIT(&name->gn_mn);
105	mn->gmn_mech = m;
106	mn->gmn_mech_oid = &m->gm_mech_oid;
107	mn->gmn_name = new_mn;
108	HEIM_SLIST_INSERT_HEAD(&name->gn_mn, mn, gmn_link);
109
110	return (name);
111}
112
113