224 lines
7.1 KiB
C
224 lines
7.1 KiB
C
/* pcy_int.h */
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/* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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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DECLARE_STACK_OF(X509_POLICY_DATA)
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DECLARE_STACK_OF(X509_POLICY_REF)
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DECLARE_STACK_OF(X509_POLICY_NODE)
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typedef struct X509_POLICY_DATA_st X509_POLICY_DATA;
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typedef struct X509_POLICY_REF_st X509_POLICY_REF;
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/* Internal structures */
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/* This structure and the field names correspond to the Policy 'node' of
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* RFC3280. NB this structure contains no pointers to parent or child
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* data: X509_POLICY_NODE contains that. This means that the main policy data
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* can be kept static and cached with the certificate.
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*/
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struct X509_POLICY_DATA_st
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{
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unsigned int flags;
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/* Policy OID and qualifiers for this data */
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ASN1_OBJECT *valid_policy;
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STACK_OF(POLICYQUALINFO) *qualifier_set;
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STACK_OF(ASN1_OBJECT) *expected_policy_set;
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};
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/* X509_POLICY_DATA flags values */
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/* This flag indicates the structure has been mapped using a policy mapping
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* extension. If policy mapping is not active its references get deleted.
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*/
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#define POLICY_DATA_FLAG_MAPPED 0x1
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/* This flag indicates the data doesn't correspond to a policy in Certificate
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* Policies: it has been mapped to any policy.
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*/
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#define POLICY_DATA_FLAG_MAPPED_ANY 0x2
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/* AND with flags to see if any mapping has occurred */
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#define POLICY_DATA_FLAG_MAP_MASK 0x3
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/* qualifiers are shared and shouldn't be freed */
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#define POLICY_DATA_FLAG_SHARED_QUALIFIERS 0x4
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/* Parent node is an extra node and should be freed */
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#define POLICY_DATA_FLAG_EXTRA_NODE 0x8
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/* Corresponding CertificatePolicies is critical */
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#define POLICY_DATA_FLAG_CRITICAL 0x10
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/* This structure is an entry from a table of mapped policies which
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* cross reference the policy it refers to.
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*/
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struct X509_POLICY_REF_st
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{
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ASN1_OBJECT *subjectDomainPolicy;
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const X509_POLICY_DATA *data;
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};
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/* This structure is cached with a certificate */
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struct X509_POLICY_CACHE_st {
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/* anyPolicy data or NULL if no anyPolicy */
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X509_POLICY_DATA *anyPolicy;
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/* other policy data */
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STACK_OF(X509_POLICY_DATA) *data;
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/* If policyMappings extension present a table of mapped policies */
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STACK_OF(X509_POLICY_REF) *maps;
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/* If InhibitAnyPolicy present this is its value or -1 if absent. */
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long any_skip;
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/* If policyConstraints and requireExplicitPolicy present this is its
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* value or -1 if absent.
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*/
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long explicit_skip;
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/* If policyConstraints and policyMapping present this is its
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* value or -1 if absent.
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*/
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long map_skip;
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};
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/*#define POLICY_CACHE_FLAG_CRITICAL POLICY_DATA_FLAG_CRITICAL*/
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/* This structure represents the relationship between nodes */
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struct X509_POLICY_NODE_st
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{
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/* node data this refers to */
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const X509_POLICY_DATA *data;
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/* Parent node */
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X509_POLICY_NODE *parent;
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/* Number of child nodes */
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int nchild;
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};
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struct X509_POLICY_LEVEL_st
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{
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/* Cert for this level */
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X509 *cert;
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/* nodes at this level */
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STACK_OF(X509_POLICY_NODE) *nodes;
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/* anyPolicy node */
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X509_POLICY_NODE *anyPolicy;
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/* Extra data */
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/*STACK_OF(X509_POLICY_DATA) *extra_data;*/
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unsigned int flags;
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};
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struct X509_POLICY_TREE_st
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{
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/* This is the tree 'level' data */
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X509_POLICY_LEVEL *levels;
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int nlevel;
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/* Extra policy data when additional nodes (not from the certificate)
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* are required.
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*/
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STACK_OF(X509_POLICY_DATA) *extra_data;
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/* This is the authority constained policy set */
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STACK_OF(X509_POLICY_NODE) *auth_policies;
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STACK_OF(X509_POLICY_NODE) *user_policies;
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unsigned int flags;
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};
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/* Set if anyPolicy present in user policies */
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#define POLICY_FLAG_ANY_POLICY 0x2
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/* Useful macros */
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#define node_data_critical(data) (data->flags & POLICY_DATA_FLAG_CRITICAL)
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#define node_critical(node) node_data_critical(node->data)
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/* Internal functions */
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X509_POLICY_DATA *policy_data_new(POLICYINFO *policy, ASN1_OBJECT *id,
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int crit);
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void policy_data_free(X509_POLICY_DATA *data);
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X509_POLICY_DATA *policy_cache_find_data(const X509_POLICY_CACHE *cache,
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const ASN1_OBJECT *id);
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int policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps);
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STACK_OF(X509_POLICY_NODE) *policy_node_cmp_new(void);
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void policy_cache_init(void);
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void policy_cache_free(X509_POLICY_CACHE *cache);
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X509_POLICY_NODE *level_find_node(const X509_POLICY_LEVEL *level,
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const ASN1_OBJECT *id);
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X509_POLICY_NODE *tree_find_sk(STACK_OF(X509_POLICY_NODE) *sk,
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const ASN1_OBJECT *id);
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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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void policy_node_free(X509_POLICY_NODE *node);
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const X509_POLICY_CACHE *policy_cache_set(X509 *x);
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