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/* $OpenBSD: pcy_node.c,v 1.6 2015/07/18 00:01:05 beck Exp $ */ |
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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL |
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* project 2004. |
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*/ |
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/* ==================================================================== |
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* Copyright (c) 2004 The OpenSSL Project. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. All advertising materials mentioning features or use of this |
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* software must display the following acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
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* |
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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* endorse or promote products derived from this software without |
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* prior written permission. For written permission, please contact |
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* licensing@OpenSSL.org. |
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* |
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* 5. Products derived from this software may not be called "OpenSSL" |
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* nor may "OpenSSL" appear in their names without prior written |
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* permission of the OpenSSL Project. |
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* |
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* 6. Redistributions of any form whatsoever must retain the following |
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* acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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* OF THE POSSIBILITY OF SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This product includes cryptographic software written by Eric Young |
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* (eay@cryptsoft.com). This product includes software written by Tim |
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* Hudson (tjh@cryptsoft.com). |
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* |
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*/ |
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#include <openssl/asn1.h> |
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#include <openssl/x509.h> |
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#include <openssl/x509v3.h> |
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#include "pcy_int.h" |
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static int |
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node_cmp(const X509_POLICY_NODE * const *a, const X509_POLICY_NODE * const *b) |
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{ |
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return OBJ_cmp((*a)->data->valid_policy, (*b)->data->valid_policy); |
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} |
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STACK_OF(X509_POLICY_NODE) *policy_node_cmp_new(void) |
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{ |
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return sk_X509_POLICY_NODE_new(node_cmp); |
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} |
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X509_POLICY_NODE * |
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tree_find_sk(STACK_OF(X509_POLICY_NODE) *nodes, const ASN1_OBJECT *id) |
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{ |
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X509_POLICY_DATA n; |
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X509_POLICY_NODE l; |
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int idx; |
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n.valid_policy = (ASN1_OBJECT *)id; |
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l.data = &n; |
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idx = sk_X509_POLICY_NODE_find(nodes, &l); |
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if (idx == -1) |
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return NULL; |
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return sk_X509_POLICY_NODE_value(nodes, idx); |
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} |
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X509_POLICY_NODE * |
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level_find_node(const X509_POLICY_LEVEL *level, const X509_POLICY_NODE *parent, |
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const ASN1_OBJECT *id) |
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{ |
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X509_POLICY_NODE *node; |
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int i; |
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for (i = 0; i < sk_X509_POLICY_NODE_num(level->nodes); i++) { |
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node = sk_X509_POLICY_NODE_value(level->nodes, i); |
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if (node->parent == parent) { |
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if (!OBJ_cmp(node->data->valid_policy, id)) |
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return node; |
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} |
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} |
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return NULL; |
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} |
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int |
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level_add_node(X509_POLICY_LEVEL *level, const X509_POLICY_DATA *data, |
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X509_POLICY_NODE *parent, X509_POLICY_TREE *tree, X509_POLICY_NODE **nodep) |
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{ |
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X509_POLICY_NODE *node = NULL; |
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if (level) { |
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node = malloc(sizeof(X509_POLICY_NODE)); |
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if (!node) |
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goto node_error; |
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node->data = data; |
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node->parent = parent; |
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node->nchild = 0; |
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if (OBJ_obj2nid(data->valid_policy) == NID_any_policy) { |
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if (level->anyPolicy) |
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goto node_error; |
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level->anyPolicy = node; |
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if (parent) |
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parent->nchild++; |
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} else { |
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if (!level->nodes) |
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level->nodes = policy_node_cmp_new(); |
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if (!level->nodes) |
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goto node_error; |
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if (!sk_X509_POLICY_NODE_push(level->nodes, node)) |
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goto node_error; |
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if (parent) |
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parent->nchild++; |
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} |
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} |
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if (tree) { |
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if (!tree->extra_data) |
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tree->extra_data = sk_X509_POLICY_DATA_new_null(); |
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if (!tree->extra_data) |
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goto node_error_cond; |
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if (!sk_X509_POLICY_DATA_push(tree->extra_data, data)) |
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goto node_error_cond; |
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} |
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if (nodep) |
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*nodep = node; |
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return 1; |
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node_error_cond: |
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if (level) |
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node = NULL; |
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node_error: |
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policy_node_free(node); |
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node = NULL; |
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if (nodep) |
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*nodep = node; |
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return 0; |
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} |
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void |
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policy_node_free(X509_POLICY_NODE *node) |
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{ |
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free(node); |
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} |
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/* See if a policy node matches a policy OID. If mapping enabled look through |
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* expected policy set otherwise just valid policy. |
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*/ |
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int |
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policy_node_match(const X509_POLICY_LEVEL *lvl, const X509_POLICY_NODE *node, |
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const ASN1_OBJECT *oid) |
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{ |
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int i; |
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ASN1_OBJECT *policy_oid; |
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const X509_POLICY_DATA *x = node->data; |
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if ((lvl->flags & X509_V_FLAG_INHIBIT_MAP) || |
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!(x->flags & POLICY_DATA_FLAG_MAP_MASK)) { |
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if (!OBJ_cmp(x->valid_policy, oid)) |
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return 1; |
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return 0; |
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} |
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for (i = 0; i < sk_ASN1_OBJECT_num(x->expected_policy_set); i++) { |
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policy_oid = sk_ASN1_OBJECT_value(x->expected_policy_set, i); |
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if (!OBJ_cmp(policy_oid, oid)) |
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return 1; |
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} |
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return 0; |
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} |