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/*
* Copyright 2004-2021 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (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
*/
typedef struct X509_POLICY_DATA_st X509_POLICY_DATA;
DEFINE_STACK_OF(X509_POLICY_DATA)
/* Internal structures */
/*
* This structure and the field names correspond to the Policy 'node' of
* RFC3280. NB this structure contains no pointers to parent or child data:
* X509_POLICY_NODE contains that. This means that the main policy data can
* be kept static and cached with the certificate.
*/
struct X509_POLICY_DATA_st {
unsigned int flags;
/* Policy OID and qualifiers for this data */
ASN1_OBJECT *valid_policy;
STACK_OF(POLICYQUALINFO) *qualifier_set;
STACK_OF(ASN1_OBJECT) *expected_policy_set;
};
/* X509_POLICY_DATA flags values */
/*
* This flag indicates the structure has been mapped using a policy mapping
* extension. If policy mapping is not active its references get deleted.
*/
#define POLICY_DATA_FLAG_MAPPED 0x1
/*
* This flag indicates the data doesn't correspond to a policy in Certificate
* Policies: it has been mapped to any policy.
*/
#define POLICY_DATA_FLAG_MAPPED_ANY 0x2
/* AND with flags to see if any mapping has occurred */
#define POLICY_DATA_FLAG_MAP_MASK 0x3
/* qualifiers are shared and shouldn't be freed */
#define POLICY_DATA_FLAG_SHARED_QUALIFIERS 0x4
/* Parent node is an extra node and should be freed */
#define POLICY_DATA_FLAG_EXTRA_NODE 0x8
/* Corresponding CertificatePolicies is critical */
#define POLICY_DATA_FLAG_CRITICAL 0x10
/* This structure is cached with a certificate */
struct X509_POLICY_CACHE_st {
/* anyPolicy data or NULL if no anyPolicy */
X509_POLICY_DATA *anyPolicy;
/* other policy data */
STACK_OF(X509_POLICY_DATA) *data;
/* If InhibitAnyPolicy present this is its value or -1 if absent. */
long any_skip;
/*
* If policyConstraints and requireExplicitPolicy present this is its
* value or -1 if absent.
*/
long explicit_skip;
/*
* If policyConstraints and policyMapping present this is its value or -1
* if absent.
*/
long map_skip;
};
/*
* #define POLICY_CACHE_FLAG_CRITICAL POLICY_DATA_FLAG_CRITICAL
*/
/* This structure represents the relationship between nodes */
struct X509_POLICY_NODE_st {
/* node data this refers to */
const X509_POLICY_DATA *data;
/* Parent node */
X509_POLICY_NODE *parent;
/* Number of child nodes */
int nchild;
};
struct X509_POLICY_LEVEL_st {
/* Cert for this level */
X509 *cert;
/* nodes at this level */
STACK_OF(X509_POLICY_NODE) *nodes;
/* anyPolicy node */
X509_POLICY_NODE *anyPolicy;
/* Extra data */
/*
* STACK_OF(X509_POLICY_DATA) *extra_data;
*/
unsigned int flags;
};
struct X509_POLICY_TREE_st {
/* This is the tree 'level' data */
X509_POLICY_LEVEL *levels;
int nlevel;
/*
* Extra policy data when additional nodes (not from the certificate) are
* required.
*/
STACK_OF(X509_POLICY_DATA) *extra_data;
/* This is the authority constrained policy set */
STACK_OF(X509_POLICY_NODE) *auth_policies;
STACK_OF(X509_POLICY_NODE) *user_policies;
unsigned int flags;
};
/* Set if anyPolicy present in user policies */
#define POLICY_FLAG_ANY_POLICY 0x2
/* Useful macros */
#define node_data_critical(data) (data->flags & POLICY_DATA_FLAG_CRITICAL)
#define node_critical(node) node_data_critical(node->data)
/* Internal functions */
X509_POLICY_DATA *ossl_policy_data_new(POLICYINFO *policy, const ASN1_OBJECT *id,
int crit);
void ossl_policy_data_free(X509_POLICY_DATA *data);
X509_POLICY_DATA *ossl_policy_cache_find_data(const X509_POLICY_CACHE *cache,
const ASN1_OBJECT *id);
int ossl_policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps);
STACK_OF(X509_POLICY_NODE) *ossl_policy_node_cmp_new(void);
void ossl_policy_cache_free(X509_POLICY_CACHE *cache);
X509_POLICY_NODE *ossl_policy_level_find_node(const X509_POLICY_LEVEL *level,
const X509_POLICY_NODE *parent,
const ASN1_OBJECT *id);
X509_POLICY_NODE *ossl_policy_tree_find_sk(STACK_OF(X509_POLICY_NODE) *sk,
const ASN1_OBJECT *id);
X509_POLICY_NODE *ossl_policy_level_add_node(X509_POLICY_LEVEL *level,
X509_POLICY_DATA *data,
X509_POLICY_NODE *parent,
X509_POLICY_TREE *tree);
void ossl_policy_node_free(X509_POLICY_NODE *node);
int ossl_policy_node_match(const X509_POLICY_LEVEL *lvl,
const X509_POLICY_NODE *node, const ASN1_OBJECT *oid);
const X509_POLICY_CACHE *ossl_policy_cache_set(X509 *x);
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