Line data Source code
1 : /* v3_bcons.c */
2 : /*
3 : * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
4 : * 1999.
5 : */
6 : /* ====================================================================
7 : * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
8 : *
9 : * Redistribution and use in source and binary forms, with or without
10 : * modification, are permitted provided that the following conditions
11 : * are met:
12 : *
13 : * 1. Redistributions of source code must retain the above copyright
14 : * notice, this list of conditions and the following disclaimer.
15 : *
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
19 : * distribution.
20 : *
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/)"
25 : *
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.
30 : *
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.
34 : *
35 : * 6. Redistributions of any form whatsoever must retain the following
36 : * acknowledgment:
37 : * "This product includes software developed by the OpenSSL Project
38 : * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 : *
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 : * ====================================================================
53 : *
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).
57 : *
58 : */
59 :
60 : #include <stdio.h>
61 : #include "cryptlib.h"
62 : #include <openssl/asn1.h>
63 : #include <openssl/asn1t.h>
64 : #include <openssl/conf.h>
65 : #include <openssl/x509v3.h>
66 :
67 : static STACK_OF(CONF_VALUE) *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
68 : BASIC_CONSTRAINTS *bcons,
69 : STACK_OF(CONF_VALUE)
70 : *extlist);
71 : static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
72 : X509V3_CTX *ctx,
73 : STACK_OF(CONF_VALUE) *values);
74 :
75 : const X509V3_EXT_METHOD v3_bcons = {
76 : NID_basic_constraints, 0,
77 : ASN1_ITEM_ref(BASIC_CONSTRAINTS),
78 : 0, 0, 0, 0,
79 : 0, 0,
80 : (X509V3_EXT_I2V) i2v_BASIC_CONSTRAINTS,
81 : (X509V3_EXT_V2I)v2i_BASIC_CONSTRAINTS,
82 : NULL, NULL,
83 : NULL
84 : };
85 :
86 : ASN1_SEQUENCE(BASIC_CONSTRAINTS) = {
87 : ASN1_OPT(BASIC_CONSTRAINTS, ca, ASN1_FBOOLEAN),
88 : ASN1_OPT(BASIC_CONSTRAINTS, pathlen, ASN1_INTEGER)
89 : } ASN1_SEQUENCE_END(BASIC_CONSTRAINTS)
90 :
91 707 : IMPLEMENT_ASN1_FUNCTIONS(BASIC_CONSTRAINTS)
92 :
93 0 : static STACK_OF(CONF_VALUE) *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
94 : BASIC_CONSTRAINTS *bcons,
95 : STACK_OF(CONF_VALUE)
96 : *extlist)
97 : {
98 0 : X509V3_add_value_bool("CA", bcons->ca, &extlist);
99 0 : X509V3_add_value_int("pathlen", bcons->pathlen, &extlist);
100 0 : return extlist;
101 : }
102 :
103 0 : static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
104 : X509V3_CTX *ctx,
105 : STACK_OF(CONF_VALUE) *values)
106 : {
107 : BASIC_CONSTRAINTS *bcons = NULL;
108 : CONF_VALUE *val;
109 : int i;
110 0 : if (!(bcons = BASIC_CONSTRAINTS_new())) {
111 0 : X509V3err(X509V3_F_V2I_BASIC_CONSTRAINTS, ERR_R_MALLOC_FAILURE);
112 0 : return NULL;
113 : }
114 0 : for (i = 0; i < sk_CONF_VALUE_num(values); i++) {
115 0 : val = sk_CONF_VALUE_value(values, i);
116 0 : if (!strcmp(val->name, "CA")) {
117 0 : if (!X509V3_get_value_bool(val, &bcons->ca))
118 : goto err;
119 0 : } else if (!strcmp(val->name, "pathlen")) {
120 0 : if (!X509V3_get_value_int(val, &bcons->pathlen))
121 : goto err;
122 : } else {
123 0 : X509V3err(X509V3_F_V2I_BASIC_CONSTRAINTS, X509V3_R_INVALID_NAME);
124 0 : X509V3_conf_err(val);
125 0 : goto err;
126 : }
127 : }
128 : return bcons;
129 : err:
130 : BASIC_CONSTRAINTS_free(bcons);
131 0 : return NULL;
132 : }
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