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Revision abd30777cc72029e8a44e4b67201cae8ed3d19c1 authored by Matt Caswell on 25 August 2016, 15:29:18 UTC, committed by Matt Caswell on 25 August 2016, 15:29:18 UTC
Prepare for 1.1.0 release
Reviewed-by: Richard Levitte <levitte@openssl.org>
1 parent bee5ee5
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  • fbd9424
  • /
  • crypto
  • /
  • x509v3
  • /
  • pcy_node.c
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pcy_node.c
/*
 * Copyright 2004-2016 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL license (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#include <openssl/asn1.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>

#include "pcy_int.h"

static int node_cmp(const X509_POLICY_NODE *const *a,
                    const X509_POLICY_NODE *const *b)
{
    return OBJ_cmp((*a)->data->valid_policy, (*b)->data->valid_policy);
}

STACK_OF(X509_POLICY_NODE) *policy_node_cmp_new(void)
{
    return sk_X509_POLICY_NODE_new(node_cmp);
}

X509_POLICY_NODE *tree_find_sk(STACK_OF(X509_POLICY_NODE) *nodes,
                               const ASN1_OBJECT *id)
{
    X509_POLICY_DATA n;
    X509_POLICY_NODE l;
    int idx;

    n.valid_policy = (ASN1_OBJECT *)id;
    l.data = &n;

    idx = sk_X509_POLICY_NODE_find(nodes, &l);
    if (idx == -1)
        return NULL;

    return sk_X509_POLICY_NODE_value(nodes, idx);

}

X509_POLICY_NODE *level_find_node(const X509_POLICY_LEVEL *level,
                                  const X509_POLICY_NODE *parent,
                                  const ASN1_OBJECT *id)
{
    X509_POLICY_NODE *node;
    int i;
    for (i = 0; i < sk_X509_POLICY_NODE_num(level->nodes); i++) {
        node = sk_X509_POLICY_NODE_value(level->nodes, i);
        if (node->parent == parent) {
            if (!OBJ_cmp(node->data->valid_policy, id))
                return node;
        }
    }
    return NULL;
}

X509_POLICY_NODE *level_add_node(X509_POLICY_LEVEL *level,
                                 X509_POLICY_DATA *data,
                                 X509_POLICY_NODE *parent,
                                 X509_POLICY_TREE *tree)
{
    X509_POLICY_NODE *node;

    node = OPENSSL_zalloc(sizeof(*node));
    if (node == NULL)
        return NULL;
    node->data = data;
    node->parent = parent;
    if (level) {
        if (OBJ_obj2nid(data->valid_policy) == NID_any_policy) {
            if (level->anyPolicy)
                goto node_error;
            level->anyPolicy = node;
        } else {

            if (level->nodes == NULL)
                level->nodes = policy_node_cmp_new();
            if (level->nodes == NULL)
                goto node_error;
            if (!sk_X509_POLICY_NODE_push(level->nodes, node))
                goto node_error;
        }
    }

    if (tree) {
        if (tree->extra_data == NULL)
            tree->extra_data = sk_X509_POLICY_DATA_new_null();
        if (tree->extra_data == NULL)
            goto node_error;
        if (!sk_X509_POLICY_DATA_push(tree->extra_data, data))
            goto node_error;
    }

    if (parent)
        parent->nchild++;

    return node;

 node_error:
    policy_node_free(node);
    return NULL;
}

void policy_node_free(X509_POLICY_NODE *node)
{
    OPENSSL_free(node);
}

/*
 * See if a policy node matches a policy OID. If mapping enabled look through
 * expected policy set otherwise just valid policy.
 */

int policy_node_match(const X509_POLICY_LEVEL *lvl,
                      const X509_POLICY_NODE *node, const ASN1_OBJECT *oid)
{
    int i;
    ASN1_OBJECT *policy_oid;
    const X509_POLICY_DATA *x = node->data;

    if ((lvl->flags & X509_V_FLAG_INHIBIT_MAP)
        || !(x->flags & POLICY_DATA_FLAG_MAP_MASK)) {
        if (!OBJ_cmp(x->valid_policy, oid))
            return 1;
        return 0;
    }

    for (i = 0; i < sk_ASN1_OBJECT_num(x->expected_policy_set); i++) {
        policy_oid = sk_ASN1_OBJECT_value(x->expected_policy_set, i);
        if (!OBJ_cmp(policy_oid, oid))
            return 1;
    }
    return 0;

}
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