3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
6 /* ====================================================================
7 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
21 * 3. All advertising materials mentioning features or use of this
22 * software must display the following acknowledgment:
23 * "This product includes software developed by the OpenSSL Project
24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 * endorse or promote products derived from this software without
28 * prior written permission. For written permission, please contact
29 * licensing@OpenSSL.org.
31 * 5. Products derived from this software may not be called "OpenSSL"
32 * nor may "OpenSSL" appear in their names without prior written
33 * permission of the OpenSSL Project.
35 * 6. Redistributions of any form whatsoever must retain the following
37 * "This product includes software developed by the OpenSSL Project
38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com). This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
61 #include "internal/cryptlib.h"
62 #include <openssl/asn1.h>
63 #include <openssl/asn1t.h>
64 #include <openssl/conf.h>
65 #include <openssl/x509v3.h>
68 static STACK_OF(CONF_VALUE) *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
69 BASIC_CONSTRAINTS *bcons,
72 static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
74 STACK_OF(CONF_VALUE) *values);
76 const X509V3_EXT_METHOD v3_bcons = {
77 NID_basic_constraints, 0,
78 ASN1_ITEM_ref(BASIC_CONSTRAINTS),
81 (X509V3_EXT_I2V) i2v_BASIC_CONSTRAINTS,
82 (X509V3_EXT_V2I)v2i_BASIC_CONSTRAINTS,
87 ASN1_SEQUENCE(BASIC_CONSTRAINTS) = {
88 ASN1_OPT(BASIC_CONSTRAINTS, ca, ASN1_FBOOLEAN),
89 ASN1_OPT(BASIC_CONSTRAINTS, pathlen, ASN1_INTEGER)
90 } ASN1_SEQUENCE_END(BASIC_CONSTRAINTS)
92 IMPLEMENT_ASN1_FUNCTIONS(BASIC_CONSTRAINTS)
94 static STACK_OF(CONF_VALUE) *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
95 BASIC_CONSTRAINTS *bcons,
99 X509V3_add_value_bool("CA", bcons->ca, &extlist);
100 X509V3_add_value_int("pathlen", bcons->pathlen, &extlist);
104 static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
106 STACK_OF(CONF_VALUE) *values)
108 BASIC_CONSTRAINTS *bcons = NULL;
112 if ((bcons = BASIC_CONSTRAINTS_new()) == NULL) {
113 X509V3err(X509V3_F_V2I_BASIC_CONSTRAINTS, ERR_R_MALLOC_FAILURE);
116 for (i = 0; i < sk_CONF_VALUE_num(values); i++) {
117 val = sk_CONF_VALUE_value(values, i);
118 if (strcmp(val->name, "CA") == 0) {
119 if (!X509V3_get_value_bool(val, &bcons->ca))
121 } else if (strcmp(val->name, "pathlen") == 0) {
122 if (!X509V3_get_value_int(val, &bcons->pathlen))
125 X509V3err(X509V3_F_V2I_BASIC_CONSTRAINTS, X509V3_R_INVALID_NAME);
126 X509V3_conf_err(val);
132 BASIC_CONSTRAINTS_free(bcons);