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147 lines
4.1 KiB
C
147 lines
4.1 KiB
C
/*
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* Copyright 2004-2018 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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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 <openssl/err.h>
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#include "pcy_local.h"
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static int node_cmp(const X509_POLICY_NODE *const *a,
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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 *tree_find_sk(STACK_OF(X509_POLICY_NODE) *nodes,
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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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return sk_X509_POLICY_NODE_value(nodes, idx);
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}
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X509_POLICY_NODE *level_find_node(const X509_POLICY_LEVEL *level,
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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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X509_POLICY_NODE *level_add_node(X509_POLICY_LEVEL *level,
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X509_POLICY_DATA *data,
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X509_POLICY_NODE *parent,
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X509_POLICY_TREE *tree)
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{
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X509_POLICY_NODE *node;
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node = OPENSSL_zalloc(sizeof(*node));
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if (node == NULL) {
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X509V3err(X509V3_F_LEVEL_ADD_NODE, ERR_R_MALLOC_FAILURE);
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return NULL;
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}
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node->data = data;
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node->parent = parent;
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if (level) {
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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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} else {
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if (level->nodes == NULL)
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level->nodes = policy_node_cmp_new();
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if (level->nodes == NULL) {
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X509V3err(X509V3_F_LEVEL_ADD_NODE, ERR_R_MALLOC_FAILURE);
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goto node_error;
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}
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if (!sk_X509_POLICY_NODE_push(level->nodes, node)) {
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X509V3err(X509V3_F_LEVEL_ADD_NODE, ERR_R_MALLOC_FAILURE);
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goto node_error;
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}
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}
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}
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if (tree) {
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if (tree->extra_data == NULL)
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tree->extra_data = sk_X509_POLICY_DATA_new_null();
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if (tree->extra_data == NULL){
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X509V3err(X509V3_F_LEVEL_ADD_NODE, ERR_R_MALLOC_FAILURE);
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goto node_error;
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}
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if (!sk_X509_POLICY_DATA_push(tree->extra_data, data)) {
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X509V3err(X509V3_F_LEVEL_ADD_NODE, ERR_R_MALLOC_FAILURE);
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goto node_error;
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}
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}
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if (parent)
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parent->nchild++;
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return node;
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node_error:
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policy_node_free(node);
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return NULL;
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}
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void policy_node_free(X509_POLICY_NODE *node)
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{
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OPENSSL_free(node);
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}
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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 policy_node_match(const X509_POLICY_LEVEL *lvl,
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const X509_POLICY_NODE *node, 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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}
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