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167 lines
5 KiB
C
167 lines
5 KiB
C
/*
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* Copyright 2004-2016 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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typedef struct X509_POLICY_DATA_st X509_POLICY_DATA;
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DEFINE_STACK_OF(X509_POLICY_DATA)
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/* Internal structures */
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/*
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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 data:
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* X509_POLICY_NODE contains that. This means that the main policy data can
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* 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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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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/*
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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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/*
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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 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 InhibitAnyPolicy present this is its value or -1 if absent. */
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long any_skip;
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/*
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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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/*
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* If policyConstraints and policyMapping present this is its value or -1
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* if absent.
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*/
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long map_skip;
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};
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/*
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* #define POLICY_CACHE_FLAG_CRITICAL POLICY_DATA_FLAG_CRITICAL
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*/
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/* This structure represents the relationship between nodes */
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struct X509_POLICY_NODE_st {
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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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/* 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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/*
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* STACK_OF(X509_POLICY_DATA) *extra_data;
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*/
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unsigned int flags;
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};
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struct X509_POLICY_TREE_st {
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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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/*
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* Extra policy data when additional nodes (not from the certificate) are
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* required.
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*/
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STACK_OF(X509_POLICY_DATA) *extra_data;
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/* This is the authority constrained 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, const 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 X509_POLICY_NODE *parent,
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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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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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const X509_POLICY_CACHE *policy_cache_set(X509 *x);
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