--- /dev/null
+/* 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;
+}
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