1 /* v3_bcons.c */
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 #include <stdio.h>
59 #include <string.h>
60
61 #include <openssl/asn1.h>
62 #include <openssl/asn1t.h>
63 #include <openssl/conf.h>
64 #include <openssl/err.h>
65 #include <openssl/obj.h>
66 #include <openssl/x509v3.h>
67
68
69 static STACK_OF(CONF_VALUE) *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, BASIC_CONSTRAINTS *bcons, STACK_OF(CONF_VALUE) *extlist);
70 static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values);
71
72 const X509V3_EXT_METHOD v3_bcons = {
73 NID_basic_constraints, 0,
74 ASN1_ITEM_ref(BASIC_CONSTRAINTS),
75 0,0,0,0,
76 0,0,
77 (X509V3_EXT_I2V)i2v_BASIC_CONSTRAINTS,
78 (X509V3_EXT_V2I)v2i_BASIC_CONSTRAINTS,
79 NULL,NULL,
80 NULL
81 };
82
83 ASN1_SEQUENCE(BASIC_CONSTRAINTS) = {
84 ASN1_OPT(BASIC_CONSTRAINTS, ca, ASN1_FBOOLEAN),
85 ASN1_OPT(BASIC_CONSTRAINTS, pathlen, ASN1_INTEGER)
86 } ASN1_SEQUENCE_END(BASIC_CONSTRAINTS)
87
88 IMPLEMENT_ASN1_FUNCTIONS(BASIC_CONSTRAINTS)
89
90
91 static STACK_OF(CONF_VALUE) *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
92 BASIC_CONSTRAINTS *bcons, STACK_OF(CONF_VALUE) *extlist)
93 {
94 X509V3_add_value_bool("CA", bcons->ca, &extlist);
95 X509V3_add_value_int("pathlen", bcons->pathlen, &extlist);
96 return extlist;
97 }
98
v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD * method,X509V3_CTX * ctx,STACK_OF (CONF_VALUE)* values)99 static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
100 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values)
101 {
102 BASIC_CONSTRAINTS *bcons=NULL;
103 CONF_VALUE *val;
104 size_t i;
105 if(!(bcons = BASIC_CONSTRAINTS_new())) {
106 OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
107 return NULL;
108 }
109 for(i = 0; i < sk_CONF_VALUE_num(values); i++) {
110 val = sk_CONF_VALUE_value(values, i);
111 if(!strcmp(val->name, "CA")) {
112 if(!X509V3_get_value_bool(val, &bcons->ca)) goto err;
113 } else if(!strcmp(val->name, "pathlen")) {
114 if(!X509V3_get_value_int(val, &bcons->pathlen)) goto err;
115 } else {
116 OPENSSL_PUT_ERROR(X509V3, X509V3_R_INVALID_NAME);
117 X509V3_conf_err(val);
118 goto err;
119 }
120 }
121 return bcons;
122 err:
123 BASIC_CONSTRAINTS_free(bcons);
124 return NULL;
125 }
126
127