gss_canonicalize_name.c revision 330897 
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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: stable/11/lib/libgssapi/gss_canonicalize_name.c 330897 2018-03-14 03:19:51Z eadler $
29 */
30
31#include <gssapi/gssapi.h>
32#include <stdlib.h>
33#include <string.h>
34#include <errno.h>
35
36#include "mech_switch.h"
37#include "name.h"
38
39OM_uint32
40gss_canonicalize_name(OM_uint32 *minor_status,
41    const gss_name_t input_name,
42    const gss_OID mech_type,
43    gss_name_t *output_name)
44{
45	OM_uint32 major_status;
46	struct _gss_name *name = (struct _gss_name *) input_name;
47	struct _gss_mechanism_name *mn;
48	struct _gss_mech_switch *m = _gss_find_mech_switch(mech_type);
49	gss_name_t new_canonical_name;
50
51	*minor_status = 0;
52	*output_name = 0;
53
54	major_status = _gss_find_mn(minor_status, name, mech_type, &mn);
55	if (major_status)
56		return (major_status);
57
58	m = mn->gmn_mech;
59	major_status = m->gm_canonicalize_name(minor_status,
60	    mn->gmn_name, mech_type, &new_canonical_name);
61	if (major_status) {
62		_gss_mg_error(m, major_status, *minor_status);
63		return (major_status);
64	}
65
66	/*
67	 * Now we make a new name and mark it as an MN.
68	 */
69	*minor_status = 0;
70	name = malloc(sizeof(struct _gss_name));
71	if (!name) {
72		m->gm_release_name(minor_status, &new_canonical_name);
73		*minor_status = ENOMEM;
74		return (GSS_S_FAILURE);
75	}
76	memset(name, 0, sizeof(struct _gss_name));
77
78	mn = malloc(sizeof(struct _gss_mechanism_name));
79	if (!mn) {
80		m->gm_release_name(minor_status, &new_canonical_name);
81		free(name);
82		*minor_status = ENOMEM;
83		return (GSS_S_FAILURE);
84	}
85
86	SLIST_INIT(&name->gn_mn);
87	mn->gmn_mech = m;
88	mn->gmn_mech_oid = &m->gm_mech_oid;
89	mn->gmn_name = new_canonical_name;
90	SLIST_INSERT_HEAD(&name->gn_mn, mn, gmn_link);
91
92	*output_name = (gss_name_t) name;
93
94	return (GSS_S_COMPLETE);
95}
96