2 * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
11 #include "internal/cryptlib.h"
12 #include <openssl/asn1.h>
13 #include <openssl/asn1t.h>
14 #include <openssl/conf.h>
15 #include <openssl/x509v3.h>
18 static STACK_OF(CONF_VALUE) *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
19 BASIC_CONSTRAINTS *bcons,
22 static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
24 STACK_OF(CONF_VALUE) *values);
26 const X509V3_EXT_METHOD v3_bcons = {
27 NID_basic_constraints, 0,
28 ASN1_ITEM_ref(BASIC_CONSTRAINTS),
31 (X509V3_EXT_I2V) i2v_BASIC_CONSTRAINTS,
32 (X509V3_EXT_V2I)v2i_BASIC_CONSTRAINTS,
37 ASN1_SEQUENCE(BASIC_CONSTRAINTS) = {
38 ASN1_OPT(BASIC_CONSTRAINTS, ca, ASN1_FBOOLEAN),
39 ASN1_OPT(BASIC_CONSTRAINTS, pathlen, ASN1_INTEGER)
40 } ASN1_SEQUENCE_END(BASIC_CONSTRAINTS)
42 IMPLEMENT_ASN1_FUNCTIONS(BASIC_CONSTRAINTS)
44 static STACK_OF(CONF_VALUE) *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
45 BASIC_CONSTRAINTS *bcons,
49 X509V3_add_value_bool("CA", bcons->ca, &extlist);
50 X509V3_add_value_int("pathlen", bcons->pathlen, &extlist);
54 static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
56 STACK_OF(CONF_VALUE) *values)
58 BASIC_CONSTRAINTS *bcons = NULL;
62 if ((bcons = BASIC_CONSTRAINTS_new()) == NULL) {
63 X509V3err(X509V3_F_V2I_BASIC_CONSTRAINTS, ERR_R_MALLOC_FAILURE);
66 for (i = 0; i < sk_CONF_VALUE_num(values); i++) {
67 val = sk_CONF_VALUE_value(values, i);
68 if (strcmp(val->name, "CA") == 0) {
69 if (!X509V3_get_value_bool(val, &bcons->ca))
71 } else if (strcmp(val->name, "pathlen") == 0) {
72 if (!X509V3_get_value_int(val, &bcons->pathlen))
75 X509V3err(X509V3_F_V2I_BASIC_CONSTRAINTS, X509V3_R_INVALID_NAME);
82 BASIC_CONSTRAINTS_free(bcons);