sl@0: /* pcy_int.h */
sl@0: /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
sl@0:  * project 2004.
sl@0:  */
sl@0: /* ====================================================================
sl@0:  * Copyright (c) 2004 The OpenSSL Project.  All rights reserved.
sl@0:  *
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  *
sl@0:  * 1. Redistributions of source code must retain the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer. 
sl@0:  *
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in
sl@0:  *    the documentation and/or other materials provided with the
sl@0:  *    distribution.
sl@0:  *
sl@0:  * 3. All advertising materials mentioning features or use of this
sl@0:  *    software must display the following acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
sl@0:  *
sl@0:  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
sl@0:  *    endorse or promote products derived from this software without
sl@0:  *    prior written permission. For written permission, please contact
sl@0:  *    licensing@OpenSSL.org.
sl@0:  *
sl@0:  * 5. Products derived from this software may not be called "OpenSSL"
sl@0:  *    nor may "OpenSSL" appear in their names without prior written
sl@0:  *    permission of the OpenSSL Project.
sl@0:  *
sl@0:  * 6. Redistributions of any form whatsoever must retain the following
sl@0:  *    acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
sl@0:  *
sl@0:  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
sl@0:  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
sl@0:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
sl@0:  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
sl@0:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
sl@0:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
sl@0:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
sl@0:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
sl@0:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
sl@0:  * OF THE POSSIBILITY OF SUCH DAMAGE.
sl@0:  * ====================================================================
sl@0:  *
sl@0:  * This product includes cryptographic software written by Eric Young
sl@0:  * (eay@cryptsoft.com).  This product includes software written by Tim
sl@0:  * Hudson (tjh@cryptsoft.com).
sl@0:  *
sl@0:  */
sl@0: 
sl@0: DECLARE_STACK_OF(X509_POLICY_DATA)
sl@0: DECLARE_STACK_OF(X509_POLICY_REF)
sl@0: DECLARE_STACK_OF(X509_POLICY_NODE)
sl@0: 
sl@0: typedef struct X509_POLICY_DATA_st X509_POLICY_DATA;
sl@0: typedef struct X509_POLICY_REF_st X509_POLICY_REF;
sl@0: 
sl@0: /* Internal structures */
sl@0: 
sl@0: /* This structure and the field names correspond to the Policy 'node' of
sl@0:  * RFC3280. NB this structure contains no pointers to parent or child
sl@0:  * data: X509_POLICY_NODE contains that. This means that the main policy data
sl@0:  * can be kept static and cached with the certificate.
sl@0:  */
sl@0: 
sl@0: struct X509_POLICY_DATA_st
sl@0: 	{
sl@0: 	unsigned int flags;
sl@0: 	/* Policy OID and qualifiers for this data */
sl@0: 	ASN1_OBJECT *valid_policy;
sl@0: 	STACK_OF(POLICYQUALINFO) *qualifier_set;
sl@0: 	STACK_OF(ASN1_OBJECT) *expected_policy_set;
sl@0: 	};
sl@0: 
sl@0: /* X509_POLICY_DATA flags values */
sl@0: 
sl@0: /* This flag indicates the structure has been mapped using a policy mapping
sl@0:  * extension. If policy mapping is not active its references get deleted. 
sl@0:  */
sl@0: 
sl@0: #define POLICY_DATA_FLAG_MAPPED			0x1
sl@0: 
sl@0: /* This flag indicates the data doesn't correspond to a policy in Certificate
sl@0:  * Policies: it has been mapped to any policy.
sl@0:  */
sl@0: 
sl@0: #define POLICY_DATA_FLAG_MAPPED_ANY		0x2
sl@0: 
sl@0: /* AND with flags to see if any mapping has occurred */
sl@0: 
sl@0: #define POLICY_DATA_FLAG_MAP_MASK		0x3
sl@0: 
sl@0: /* qualifiers are shared and shouldn't be freed */
sl@0: 
sl@0: #define POLICY_DATA_FLAG_SHARED_QUALIFIERS	0x4
sl@0: 
sl@0: /* Parent node is an extra node and should be freed */
sl@0: 
sl@0: #define POLICY_DATA_FLAG_EXTRA_NODE		0x8
sl@0: 
sl@0: /* Corresponding CertificatePolicies is critical */
sl@0: 
sl@0: #define POLICY_DATA_FLAG_CRITICAL		0x10
sl@0: 
sl@0: /* This structure is an entry from a table of mapped policies which
sl@0:  * cross reference the policy it refers to.
sl@0:  */
sl@0: 
sl@0: struct X509_POLICY_REF_st
sl@0: 	{
sl@0: 	ASN1_OBJECT *subjectDomainPolicy;
sl@0: 	const X509_POLICY_DATA *data;
sl@0: 	};
sl@0: 
sl@0: /* This structure is cached with a certificate */
sl@0: 
sl@0: struct X509_POLICY_CACHE_st {
sl@0: 	/* anyPolicy data or NULL if no anyPolicy */
sl@0: 	X509_POLICY_DATA *anyPolicy;
sl@0: 	/* other policy data */
sl@0: 	STACK_OF(X509_POLICY_DATA) *data;
sl@0: 	/* If policyMappings extension present a table of mapped policies */
sl@0: 	STACK_OF(X509_POLICY_REF) *maps;
sl@0: 	/* If InhibitAnyPolicy present this is its value or -1 if absent. */
sl@0: 	long any_skip;
sl@0: 	/* If policyConstraints and requireExplicitPolicy present this is its
sl@0: 	 * value or -1 if absent.
sl@0: 	 */
sl@0: 	long explicit_skip;
sl@0: 	/* If policyConstraints and policyMapping present this is its
sl@0: 	 * value or -1 if absent.
sl@0:          */
sl@0: 	long map_skip;
sl@0: 	};
sl@0: 
sl@0: /*#define POLICY_CACHE_FLAG_CRITICAL		POLICY_DATA_FLAG_CRITICAL*/
sl@0: 
sl@0: /* This structure represents the relationship between nodes */
sl@0: 
sl@0: struct X509_POLICY_NODE_st
sl@0: 	{
sl@0: 	/* node data this refers to */
sl@0: 	const X509_POLICY_DATA *data;
sl@0: 	/* Parent node */
sl@0: 	X509_POLICY_NODE *parent;
sl@0: 	/* Number of child nodes */
sl@0: 	int nchild;
sl@0: 	};
sl@0: 
sl@0: struct X509_POLICY_LEVEL_st
sl@0: 	{
sl@0: 	/* Cert for this level */
sl@0: 	X509 *cert;
sl@0: 	/* nodes at this level */
sl@0: 	STACK_OF(X509_POLICY_NODE) *nodes;
sl@0: 	/* anyPolicy node */
sl@0: 	X509_POLICY_NODE *anyPolicy;
sl@0: 	/* Extra data */
sl@0: 	/*STACK_OF(X509_POLICY_DATA) *extra_data;*/
sl@0: 	unsigned int flags;
sl@0: 	};
sl@0: 
sl@0: struct X509_POLICY_TREE_st
sl@0: 	{
sl@0: 	/* This is the tree 'level' data */
sl@0: 	X509_POLICY_LEVEL *levels;
sl@0: 	int nlevel;
sl@0: 	/* Extra policy data when additional nodes (not from the certificate)
sl@0: 	 * are required.
sl@0: 	 */
sl@0: 	STACK_OF(X509_POLICY_DATA) *extra_data;
sl@0: 	/* This is the authority constained policy set */
sl@0: 	STACK_OF(X509_POLICY_NODE) *auth_policies;
sl@0: 	STACK_OF(X509_POLICY_NODE) *user_policies;
sl@0: 	unsigned int flags;
sl@0: 	};
sl@0: 
sl@0: /* Set if anyPolicy present in user policies */
sl@0: #define POLICY_FLAG_ANY_POLICY		0x2
sl@0: 
sl@0: /* Useful macros */
sl@0: 
sl@0: #define node_data_critical(data) (data->flags & POLICY_DATA_FLAG_CRITICAL)
sl@0: #define node_critical(node) node_data_critical(node->data)
sl@0: 
sl@0: /* Internal functions */
sl@0: 
sl@0: IMPORT_C X509_POLICY_DATA *policy_data_new(POLICYINFO *policy, ASN1_OBJECT *id,
sl@0: 								int crit);
sl@0: IMPORT_C void policy_data_free(X509_POLICY_DATA *data);
sl@0: 
sl@0: IMPORT_C X509_POLICY_DATA *policy_cache_find_data(const X509_POLICY_CACHE *cache,
sl@0: 							const ASN1_OBJECT *id);
sl@0: IMPORT_C int policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps);
sl@0: 
sl@0: 
sl@0: IMPORT_C STACK_OF(X509_POLICY_NODE) *policy_node_cmp_new(void);
sl@0: 
sl@0: void policy_cache_init(void);
sl@0: 
sl@0: IMPORT_C void policy_cache_free(X509_POLICY_CACHE *cache);
sl@0: 
sl@0: IMPORT_C X509_POLICY_NODE *level_find_node(const X509_POLICY_LEVEL *level,
sl@0: 					const ASN1_OBJECT *id);
sl@0: 
sl@0: IMPORT_C X509_POLICY_NODE *tree_find_sk(STACK_OF(X509_POLICY_NODE) *sk,
sl@0: 						const ASN1_OBJECT *id);
sl@0: 
sl@0: IMPORT_C X509_POLICY_NODE *level_add_node(X509_POLICY_LEVEL *level,
sl@0: 			X509_POLICY_DATA *data,
sl@0: 			X509_POLICY_NODE *parent,
sl@0: 			X509_POLICY_TREE *tree);
sl@0: IMPORT_C void policy_node_free(X509_POLICY_NODE *node);
sl@0: 
sl@0: IMPORT_C const X509_POLICY_CACHE *policy_cache_set(X509 *x);