ref: bfe9da47cfa2f51ebef78c59332b5ba2deba306d
dir: /third_party/boringssl/src/crypto/x509v3/internal.h/
/*
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
* 2004.
*/
/* ====================================================================
* Copyright (c) 2004 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#ifndef OPENSSL_HEADER_X509V3_INTERNAL_H
#define OPENSSL_HEADER_X509V3_INTERNAL_H
#include <openssl/base.h>
#include <openssl/conf.h>
#include <openssl/stack.h>
#include <openssl/x509v3.h>
#if defined(__cplusplus)
extern "C" {
#endif
// x509v3_bytes_to_hex encodes |len| bytes from |buffer| to hex and returns a
// newly-allocated NUL-terminated string containing the result, or NULL on
// allocation error.
//
// Note this function was historically named |hex_to_string| in OpenSSL, not
// |string_to_hex|.
char *x509v3_bytes_to_hex(const unsigned char *buffer, long len);
// x509v3_hex_string_to_bytes decodes |str| in hex and returns a newly-allocated
// array containing the result, or NULL on error. On success, it sets |*len| to
// the length of the result. Colon separators between bytes in the input are
// allowed and ignored.
//
// Note this function was historically named |string_to_hex| in OpenSSL, not
// |hex_to_string|.
unsigned char *x509v3_hex_to_bytes(const char *str, long *len);
// x509v3_name_cmp returns zero if |name| is equal to |cmp| or begins with |cmp|
// followed by '.'. Otherwise, it returns a non-zero number.
int x509v3_name_cmp(const char *name, const char *cmp);
// x509v3_looks_like_dns_name returns one if |in| looks like a DNS name and zero
// otherwise.
OPENSSL_EXPORT int x509v3_looks_like_dns_name(const unsigned char *in,
size_t len);
// x509v3_cache_extensions fills in a number of fields relating to X.509
// extensions in |x|. It returns one on success and zero if some extensions were
// invalid.
int x509v3_cache_extensions(X509 *x);
// x509v3_a2i_ipadd decodes |ipasc| as an IPv4 or IPv6 address. IPv6 addresses
// use colon-separated syntax while IPv4 addresses use dotted decimal syntax. If
// it decodes an IPv4 address, it writes the result to the first four bytes of
// |ipout| and returns four. If it decodes an IPv6 address, it writes the result
// to all 16 bytes of |ipout| and returns 16. Otherwise, it returns zero.
int x509v3_a2i_ipadd(unsigned char ipout[16], const char *ipasc);
// A |BIT_STRING_BITNAME| is used to contain a list of bit names.
typedef struct {
int bitnum;
const char *lname;
const char *sname;
} BIT_STRING_BITNAME;
// x509V3_add_value_asn1_string appends a |CONF_VALUE| with the specified name
// and value to |*extlist|. if |*extlist| is NULL, it sets |*extlist| to a
// newly-allocated |STACK_OF(CONF_VALUE)| first. It returns one on success and
// zero on error.
int x509V3_add_value_asn1_string(const char *name, const ASN1_STRING *value,
STACK_OF(CONF_VALUE) **extlist);
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
* RFC 3280. 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 constained 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 *policy_data_new(POLICYINFO *policy, const ASN1_OBJECT *id,
int crit);
void policy_data_free(X509_POLICY_DATA *data);
X509_POLICY_DATA *policy_cache_find_data(const X509_POLICY_CACHE *cache,
const ASN1_OBJECT *id);
int policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps);
STACK_OF(X509_POLICY_NODE) *policy_node_cmp_new(void);
void policy_cache_init(void);
void policy_cache_free(X509_POLICY_CACHE *cache);
X509_POLICY_NODE *level_find_node(const X509_POLICY_LEVEL *level,
const X509_POLICY_NODE *parent,
const ASN1_OBJECT *id);
X509_POLICY_NODE *tree_find_sk(STACK_OF(X509_POLICY_NODE) *sk,
const ASN1_OBJECT *id);
X509_POLICY_NODE *level_add_node(X509_POLICY_LEVEL *level,
X509_POLICY_DATA *data,
X509_POLICY_NODE *parent,
X509_POLICY_TREE *tree);
void policy_node_free(X509_POLICY_NODE *node);
int policy_node_match(const X509_POLICY_LEVEL *lvl,
const X509_POLICY_NODE *node, const ASN1_OBJECT *oid);
const X509_POLICY_CACHE *policy_cache_set(X509 *x);
#if defined(__cplusplus)
} /* extern C */
#endif
#endif /* OPENSSL_HEADER_X509V3_INTERNAL_H */