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1 /*
2  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
3  * 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/mem.h>
66 #include <openssl/obj.h>
67 #include <openssl/x509.h>
68 
69 #include "../internal.h"
70 
71 
i2s_ASN1_IA5STRING(const X509V3_EXT_METHOD * method,void * ext)72 static char *i2s_ASN1_IA5STRING(const X509V3_EXT_METHOD *method, void *ext) {
73   const ASN1_IA5STRING *ia5 = ext;
74   char *tmp;
75   if (!ia5 || !ia5->length) {
76     return NULL;
77   }
78   if (!(tmp = OPENSSL_malloc(ia5->length + 1))) {
79     return NULL;
80   }
81   OPENSSL_memcpy(tmp, ia5->data, ia5->length);
82   tmp[ia5->length] = 0;
83   return tmp;
84 }
85 
s2i_ASN1_IA5STRING(const X509V3_EXT_METHOD * method,const X509V3_CTX * ctx,const char * str)86 static void *s2i_ASN1_IA5STRING(const X509V3_EXT_METHOD *method,
87                                 const X509V3_CTX *ctx, const char *str) {
88   ASN1_IA5STRING *ia5;
89   if (!str) {
90     OPENSSL_PUT_ERROR(X509V3, X509V3_R_INVALID_NULL_ARGUMENT);
91     return NULL;
92   }
93   if (!(ia5 = ASN1_IA5STRING_new())) {
94     goto err;
95   }
96   if (!ASN1_STRING_set(ia5, str, strlen(str))) {
97     ASN1_IA5STRING_free(ia5);
98     goto err;
99   }
100   return ia5;
101 err:
102   return NULL;
103 }
104 
105 #define EXT_IA5STRING(nid)                                                 \
106   {                                                                        \
107     nid, 0, ASN1_ITEM_ref(ASN1_IA5STRING), 0, 0, 0, 0, i2s_ASN1_IA5STRING, \
108         s2i_ASN1_IA5STRING, 0, 0, 0, 0, NULL                               \
109   }
110 
111 #define EXT_END \
112   { -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
113 
114 const X509V3_EXT_METHOD v3_ns_ia5_list[] = {
115     EXT_IA5STRING(NID_netscape_base_url),
116     EXT_IA5STRING(NID_netscape_revocation_url),
117     EXT_IA5STRING(NID_netscape_ca_revocation_url),
118     EXT_IA5STRING(NID_netscape_renewal_url),
119     EXT_IA5STRING(NID_netscape_ca_policy_url),
120     EXT_IA5STRING(NID_netscape_ssl_server_name),
121     EXT_IA5STRING(NID_netscape_comment),
122     EXT_END};
123