v3_pcons.c
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上传日期:2020-08-09
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- /* v3_pcons.c */
- /* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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(X509V3_EXT_METHOD *method,
- void *bcons, STACK_OF(CONF_VALUE) *extlist);
- static void *v2i_POLICY_CONSTRAINTS(X509V3_EXT_METHOD *method,
- X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values);
- 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(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(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;
- }