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_canonicalize_name.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
27 */
28
29 #include "mech_locl.h"
30
31 /**
32 * gss_canonicalize_name takes a Internal Name (IN) and converts in into a
33 * mechanism specific Mechanism Name (MN).
34 *
35 * The input name may multiple name, or generic name types.
36 *
37 * If the input_name if of the GSS_C_NT_USER_NAME, and the Kerberos
38 * mechanism is specified, the resulting MN type is a
39 * GSS_KRB5_NT_PRINCIPAL_NAME.
40 *
41 * For more information about @ref internalVSmechname.
42 *
43 * @param minor_status minor status code.
44 * @param input_name name to covert, unchanged by gss_canonicalize_name().
45 * @param mech_type the type to convert Name too.
46 * @param output_name the resulting type, release with
47 * gss_release_name(), independent of input_name.
48 *
49 * @returns a gss_error code, see gss_display_status() about printing
50 * the error code.
51 *
52 * @ingroup gssapi
53 */
54
55 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
gss_canonicalize_name(OM_uint32 * minor_status,const gss_name_t input_name,const gss_OID mech_type,gss_name_t * output_name)56 gss_canonicalize_name(OM_uint32 *minor_status,
57 const gss_name_t input_name,
58 const gss_OID mech_type,
59 gss_name_t *output_name)
60 {
61 OM_uint32 major_status;
62 struct _gss_name *name = (struct _gss_name *) input_name;
63 struct _gss_mechanism_name *mn;
64 gssapi_mech_interface m;
65 gss_name_t new_canonical_name;
66
67 *minor_status = 0;
68 *output_name = 0;
69
70 major_status = _gss_find_mn(minor_status, name, mech_type, &mn);
71 if (major_status)
72 return major_status;
73
74 m = mn->gmn_mech;
75 major_status = m->gm_canonicalize_name(minor_status,
76 mn->gmn_name, mech_type, &new_canonical_name);
77 if (major_status) {
78 _gss_mg_error(m, major_status, *minor_status);
79 return (major_status);
80 }
81
82 /*
83 * Now we make a new name and mark it as an MN.
84 */
85 *minor_status = 0;
86 name = malloc(sizeof(struct _gss_name));
87 if (!name) {
88 m->gm_release_name(minor_status, &new_canonical_name);
89 *minor_status = ENOMEM;
90 return (GSS_S_FAILURE);
91 }
92 memset(name, 0, sizeof(struct _gss_name));
93
94 mn = malloc(sizeof(struct _gss_mechanism_name));
95 if (!mn) {
96 m->gm_release_name(minor_status, &new_canonical_name);
97 free(name);
98 *minor_status = ENOMEM;
99 return (GSS_S_FAILURE);
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_canonical_name;
106 HEIM_SLIST_INSERT_HEAD(&name->gn_mn, mn, gmn_link);
107
108 *output_name = (gss_name_t) name;
109
110 return (GSS_S_COMPLETE);
111 }
112