1 /* $OpenBSD: asn_moid.c,v 1.14 2022/01/07 11:13:54 tb Exp $ */
2 /* Written by Stephen Henson (steve@openssl.org) for the OpenSSL
3 * project 2001.
4 */
5 /* ====================================================================
6 * Copyright (c) 2001-2004 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59 #include <ctype.h>
60 #include <stdio.h>
61 #include <string.h>
62
63 #include <openssl/err.h>
64 #include <openssl/conf.h>
65 #include <openssl/crypto.h>
66 #include <openssl/x509.h>
67
68 #include "asn1_locl.h"
69
70 /* Simple ASN1 OID module: add all objects in a given section */
71
72 static int do_create(char *value, char *name);
73
74 static int
oid_module_init(CONF_IMODULE * md,const CONF * cnf)75 oid_module_init(CONF_IMODULE *md, const CONF *cnf)
76 {
77 int i;
78 const char *oid_section;
79 STACK_OF(CONF_VALUE) *sktmp;
80 CONF_VALUE *oval;
81
82 oid_section = CONF_imodule_get_value(md);
83 if (!(sktmp = NCONF_get_section(cnf, oid_section))) {
84 ASN1error(ASN1_R_ERROR_LOADING_SECTION);
85 return 0;
86 }
87 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
88 oval = sk_CONF_VALUE_value(sktmp, i);
89 if (!do_create(oval->value, oval->name)) {
90 ASN1error(ASN1_R_ADDING_OBJECT);
91 return 0;
92 }
93 }
94 return 1;
95 }
96
97 static void
oid_module_finish(CONF_IMODULE * md)98 oid_module_finish(CONF_IMODULE *md)
99 {
100 OBJ_cleanup();
101 }
102
103 void
ASN1_add_oid_module(void)104 ASN1_add_oid_module(void)
105 {
106 CONF_module_add("oid_section", oid_module_init, oid_module_finish);
107 }
108
109 /* Create an OID based on a name value pair. Accept two formats.
110 * shortname = 1.2.3.4
111 * shortname = some long name, 1.2.3.4
112 */
113
114 static int
do_create(char * value,char * name)115 do_create(char *value, char *name)
116 {
117 int nid;
118 ASN1_OBJECT *oid;
119 char *ln, *ostr, *p, *lntmp;
120
121 p = strrchr(value, ',');
122 if (!p) {
123 ln = name;
124 ostr = value;
125 } else {
126 ln = NULL;
127 ostr = p + 1;
128 if (!*ostr)
129 return 0;
130 while (isspace((unsigned char)*ostr))
131 ostr++;
132 }
133
134 nid = OBJ_create(ostr, name, ln);
135
136 if (nid == NID_undef)
137 return 0;
138
139 if (p) {
140 ln = value;
141 while (isspace((unsigned char)*ln))
142 ln++;
143 p--;
144 while (isspace((unsigned char)*p)) {
145 if (p == ln)
146 return 0;
147 p--;
148 }
149 p++;
150 lntmp = malloc((p - ln) + 1);
151 if (lntmp == NULL)
152 return 0;
153 memcpy(lntmp, ln, p - ln);
154 lntmp[p - ln] = 0;
155 oid = OBJ_nid2obj(nid);
156 oid->ln = lntmp;
157 }
158
159 return 1;
160 }
161