openssl1.0/crypto/x509v3/v3_pcons.c

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2019-08-09 10:00:55 +02:00
/* v3_pcons.c */
/*
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project.
*/
/* ====================================================================
* Copyright (c) 2003 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#include <stdio.h>
#include "cryptlib.h"
#include <openssl/asn1.h>
#include <openssl/asn1t.h>
#include <openssl/conf.h>
#include <openssl/x509v3.h>
static STACK_OF(CONF_VALUE) *i2v_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD
*method, void *bcons, STACK_OF(CONF_VALUE)
*extlist);
static void *v2i_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD *method,
X509V3_CTX *ctx,
STACK_OF(CONF_VALUE) *values);
const X509V3_EXT_METHOD v3_policy_constraints = {
NID_policy_constraints, 0,
ASN1_ITEM_ref(POLICY_CONSTRAINTS),
0, 0, 0, 0,
0, 0,
i2v_POLICY_CONSTRAINTS,
v2i_POLICY_CONSTRAINTS,
NULL, NULL,
NULL
};
ASN1_SEQUENCE(POLICY_CONSTRAINTS) = {
ASN1_IMP_OPT(POLICY_CONSTRAINTS, requireExplicitPolicy, ASN1_INTEGER,0),
ASN1_IMP_OPT(POLICY_CONSTRAINTS, inhibitPolicyMapping, ASN1_INTEGER,1)
} ASN1_SEQUENCE_END(POLICY_CONSTRAINTS)
IMPLEMENT_ASN1_ALLOC_FUNCTIONS(POLICY_CONSTRAINTS)
static STACK_OF(CONF_VALUE) *i2v_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD
*method, void *a, STACK_OF(CONF_VALUE)
*extlist)
{
POLICY_CONSTRAINTS *pcons = a;
X509V3_add_value_int("Require Explicit Policy",
pcons->requireExplicitPolicy, &extlist);
X509V3_add_value_int("Inhibit Policy Mapping",
pcons->inhibitPolicyMapping, &extlist);
return extlist;
}
static void *v2i_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD *method,
X509V3_CTX *ctx,
STACK_OF(CONF_VALUE) *values)
{
POLICY_CONSTRAINTS *pcons = NULL;
CONF_VALUE *val;
int i;
if (!(pcons = POLICY_CONSTRAINTS_new())) {
X509V3err(X509V3_F_V2I_POLICY_CONSTRAINTS, ERR_R_MALLOC_FAILURE);
return NULL;
}
for (i = 0; i < sk_CONF_VALUE_num(values); i++) {
val = sk_CONF_VALUE_value(values, i);
if (!strcmp(val->name, "requireExplicitPolicy")) {
if (!X509V3_get_value_int(val, &pcons->requireExplicitPolicy))
goto err;
} else if (!strcmp(val->name, "inhibitPolicyMapping")) {
if (!X509V3_get_value_int(val, &pcons->inhibitPolicyMapping))
goto err;
} else {
X509V3err(X509V3_F_V2I_POLICY_CONSTRAINTS, X509V3_R_INVALID_NAME);
X509V3_conf_err(val);
goto err;
}
}
if (!pcons->inhibitPolicyMapping && !pcons->requireExplicitPolicy) {
X509V3err(X509V3_F_V2I_POLICY_CONSTRAINTS,
X509V3_R_ILLEGAL_EMPTY_EXTENSION);
goto err;
}
return pcons;
err:
POLICY_CONSTRAINTS_free(pcons);
return NULL;
}