1 /*-
2 * Copyright (c) 2005 Doug Rabson
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: src/lib/libgssapi/gss_names.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
27 */
28
29 #include "mech_locl.h"
30
31 OM_uint32
_gss_find_mn(OM_uint32 * minor_status,struct _gss_name * name,gss_OID mech,struct _gss_mechanism_name ** output_mn)32 _gss_find_mn(OM_uint32 *minor_status, struct _gss_name *name, gss_OID mech,
33 struct _gss_mechanism_name **output_mn)
34 {
35 OM_uint32 major_status;
36 gssapi_mech_interface m;
37 struct _gss_mechanism_name *mn;
38
39 *output_mn = NULL;
40
41 HEIM_SLIST_FOREACH(mn, &name->gn_mn, gmn_link) {
42 if (gss_oid_equal(mech, mn->gmn_mech_oid))
43 break;
44 }
45
46 if (!mn) {
47 /*
48 * If this name is canonical (i.e. there is only an
49 * MN but it is from a different mech), give up now.
50 */
51 if (!name->gn_value.value)
52 return GSS_S_BAD_NAME;
53
54 m = __gss_get_mechanism(mech);
55 if (!m)
56 return (GSS_S_BAD_MECH);
57
58 mn = malloc(sizeof(struct _gss_mechanism_name));
59 if (!mn)
60 return GSS_S_FAILURE;
61
62 major_status = m->gm_import_name(minor_status,
63 &name->gn_value,
64 (name->gn_type.elements
65 ? &name->gn_type : GSS_C_NO_OID),
66 &mn->gmn_name);
67 if (major_status != GSS_S_COMPLETE) {
68 _gss_mg_error(m, major_status, *minor_status);
69 free(mn);
70 return major_status;
71 }
72
73 mn->gmn_mech = m;
74 mn->gmn_mech_oid = &m->gm_mech_oid;
75 HEIM_SLIST_INSERT_HEAD(&name->gn_mn, mn, gmn_link);
76 }
77 *output_mn = mn;
78 return 0;
79 }
80
81
82 /*
83 * Make a name from an MN.
84 */
85 struct _gss_name *
_gss_make_name(gssapi_mech_interface m,gss_name_t new_mn)86 _gss_make_name(gssapi_mech_interface m, gss_name_t new_mn)
87 {
88 struct _gss_name *name;
89 struct _gss_mechanism_name *mn;
90
91 name = malloc(sizeof(struct _gss_name));
92 if (!name)
93 return (0);
94 memset(name, 0, sizeof(struct _gss_name));
95
96 mn = malloc(sizeof(struct _gss_mechanism_name));
97 if (!mn) {
98 free(name);
99 return (0);
100 }
101
102 HEIM_SLIST_INIT(&name->gn_mn);
103 mn->gmn_mech = m;
104 mn->gmn_mech_oid = &m->gm_mech_oid;
105 mn->gmn_name = new_mn;
106 HEIM_SLIST_INSERT_HEAD(&name->gn_mn, mn, gmn_link);
107
108 return (name);
109 }
110
111