1 /* $OpenBSD: x509_ia5.c,v 1.1 2020/06/04 15:19:31 jsing Exp $ */
2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3  * project 1999.
4  */
5 /* ====================================================================
6  * Copyright (c) 1999 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 <stdio.h>
60 #include <string.h>
61 
62 #include <openssl/asn1.h>
63 #include <openssl/conf.h>
64 #include <openssl/err.h>
65 #include <openssl/x509v3.h>
66 
67 static char *i2s_ASN1_IA5STRING(X509V3_EXT_METHOD *method, ASN1_IA5STRING *ia5);
68 static ASN1_IA5STRING *s2i_ASN1_IA5STRING(X509V3_EXT_METHOD *method,
69     X509V3_CTX *ctx, char *str);
70 
71 const X509V3_EXT_METHOD v3_ns_ia5_list[] = {
72 	{
73 		.ext_nid = NID_netscape_base_url,
74 		.ext_flags = 0,
75 		.it = &ASN1_IA5STRING_it,
76 		.ext_new = NULL,
77 		.ext_free = NULL,
78 		.d2i = NULL,
79 		.i2d = NULL,
80 		.i2s = (X509V3_EXT_I2S)i2s_ASN1_IA5STRING,
81 		.s2i = (X509V3_EXT_S2I)s2i_ASN1_IA5STRING,
82 		.i2v = NULL,
83 		.v2i = NULL,
84 		.i2r = NULL,
85 		.r2i = NULL,
86 		.usr_data = NULL,
87 	},
88 	{
89 		.ext_nid = NID_netscape_revocation_url,
90 		.ext_flags = 0,
91 		.it = &ASN1_IA5STRING_it,
92 		.ext_new = NULL,
93 		.ext_free = NULL,
94 		.d2i = NULL,
95 		.i2d = NULL,
96 		.i2s = (X509V3_EXT_I2S)i2s_ASN1_IA5STRING,
97 		.s2i = (X509V3_EXT_S2I)s2i_ASN1_IA5STRING,
98 		.i2v = NULL,
99 		.v2i = NULL,
100 		.i2r = NULL,
101 		.r2i = NULL,
102 		.usr_data = NULL,
103 	},
104 	{
105 		.ext_nid = NID_netscape_ca_revocation_url,
106 		.ext_flags = 0,
107 		.it = &ASN1_IA5STRING_it,
108 		.ext_new = NULL,
109 		.ext_free = NULL,
110 		.d2i = NULL,
111 		.i2d = NULL,
112 		.i2s = (X509V3_EXT_I2S)i2s_ASN1_IA5STRING,
113 		.s2i = (X509V3_EXT_S2I)s2i_ASN1_IA5STRING,
114 		.i2v = NULL,
115 		.v2i = NULL,
116 		.i2r = NULL,
117 		.r2i = NULL,
118 		.usr_data = NULL,
119 	},
120 	{
121 		.ext_nid = NID_netscape_renewal_url,
122 		.ext_flags = 0,
123 		.it = &ASN1_IA5STRING_it,
124 		.ext_new = NULL,
125 		.ext_free = NULL,
126 		.d2i = NULL,
127 		.i2d = NULL,
128 		.i2s = (X509V3_EXT_I2S)i2s_ASN1_IA5STRING,
129 		.s2i = (X509V3_EXT_S2I)s2i_ASN1_IA5STRING,
130 		.i2v = NULL,
131 		.v2i = NULL,
132 		.i2r = NULL,
133 		.r2i = NULL,
134 		.usr_data = NULL,
135 	},
136 	{
137 		.ext_nid = NID_netscape_ca_policy_url,
138 		.ext_flags = 0,
139 		.it = &ASN1_IA5STRING_it,
140 		.ext_new = NULL,
141 		.ext_free = NULL,
142 		.d2i = NULL,
143 		.i2d = NULL,
144 		.i2s = (X509V3_EXT_I2S)i2s_ASN1_IA5STRING,
145 		.s2i = (X509V3_EXT_S2I)s2i_ASN1_IA5STRING,
146 		.i2v = NULL,
147 		.v2i = NULL,
148 		.i2r = NULL,
149 		.r2i = NULL,
150 		.usr_data = NULL,
151 	},
152 	{
153 		.ext_nid = NID_netscape_ssl_server_name,
154 		.ext_flags = 0,
155 		.it = &ASN1_IA5STRING_it,
156 		.ext_new = NULL,
157 		.ext_free = NULL,
158 		.d2i = NULL,
159 		.i2d = NULL,
160 		.i2s = (X509V3_EXT_I2S)i2s_ASN1_IA5STRING,
161 		.s2i = (X509V3_EXT_S2I)s2i_ASN1_IA5STRING,
162 		.i2v = NULL,
163 		.v2i = NULL,
164 		.i2r = NULL,
165 		.r2i = NULL,
166 		.usr_data = NULL,
167 	},
168 	{
169 		.ext_nid = NID_netscape_comment,
170 		.ext_flags = 0,
171 		.it = &ASN1_IA5STRING_it,
172 		.ext_new = NULL,
173 		.ext_free = NULL,
174 		.d2i = NULL,
175 		.i2d = NULL,
176 		.i2s = (X509V3_EXT_I2S)i2s_ASN1_IA5STRING,
177 		.s2i = (X509V3_EXT_S2I)s2i_ASN1_IA5STRING,
178 		.i2v = NULL,
179 		.v2i = NULL,
180 		.i2r = NULL,
181 		.r2i = NULL,
182 		.usr_data = NULL,
183 	},
184 	{
185 		.ext_nid = -1,
186 		.ext_flags = 0,
187 		.it = NULL,
188 		.ext_new = NULL,
189 		.ext_free = NULL,
190 		.d2i = NULL,
191 		.i2d = NULL,
192 		.i2s = NULL,
193 		.s2i = NULL,
194 		.i2v = NULL,
195 		.v2i = NULL,
196 		.i2r = NULL,
197 		.r2i = NULL,
198 		.usr_data = NULL,
199 	},
200 };
201 
202 static char *
203 i2s_ASN1_IA5STRING(X509V3_EXT_METHOD *method, ASN1_IA5STRING *ia5)
204 {
205 	char *tmp;
206 
207 	if (!ia5 || !ia5->length)
208 		return NULL;
209 	if (!(tmp = malloc(ia5->length + 1))) {
210 		X509V3error(ERR_R_MALLOC_FAILURE);
211 		return NULL;
212 	}
213 	memcpy(tmp, ia5->data, ia5->length);
214 	tmp[ia5->length] = 0;
215 	return tmp;
216 }
217 
218 static ASN1_IA5STRING *
219 s2i_ASN1_IA5STRING(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, char *str)
220 {
221 	ASN1_IA5STRING *ia5;
222 	if (!str) {
223 		X509V3error(X509V3_R_INVALID_NULL_ARGUMENT);
224 		return NULL;
225 	}
226 	if (!(ia5 = ASN1_IA5STRING_new()))
227 		goto err;
228 	if (!ASN1_STRING_set((ASN1_STRING *)ia5, (unsigned char*)str,
229 	    strlen(str))) {
230 		ASN1_IA5STRING_free(ia5);
231 		goto err;
232 	}
233 	return ia5;
234 
235 err:
236 	X509V3error(ERR_R_MALLOC_FAILURE);
237 	return NULL;
238 }
239