x509v3.h

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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
 * project 1999. */
/* ====================================================================
 * Copyright (c) 1999-2004 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 HEADER_X509V3_H
#define HEADER_X509V3_H

#include <openssl/bio.h>
#include <openssl/conf.h>
#include <openssl/x509.h>

#ifdef __cplusplus
extern "C" {
#endif

/* Forward reference */
struct v3_ext_method;
struct v3_ext_ctx;

/* Useful typedefs */

typedef void * (*X509V3_EXT_NEW)(void);
typedef void (*X509V3_EXT_FREE)(void *);
typedef void * (*X509V3_EXT_D2I)(void *, const unsigned char ** , long);
typedef int (*X509V3_EXT_I2D)(void *, unsigned char **);
typedef STACK_OF(CONF_VALUE) *
  (*X509V3_EXT_I2V)(const struct v3_ext_method *method, void *ext,
            STACK_OF(CONF_VALUE) *extlist);
typedef void * (*X509V3_EXT_V2I)(const struct v3_ext_method *method,
                 struct v3_ext_ctx *ctx,
                 STACK_OF(CONF_VALUE) *values);
typedef char * (*X509V3_EXT_I2S)(const struct v3_ext_method *method, void *ext);
typedef void * (*X509V3_EXT_S2I)(const struct v3_ext_method *method,
                 struct v3_ext_ctx *ctx, const char *str);
typedef int (*X509V3_EXT_I2R)(const struct v3_ext_method *method, void *ext,
                  BIO *out, int indent);
typedef void * (*X509V3_EXT_R2I)(const struct v3_ext_method *method,
                 struct v3_ext_ctx *ctx, const char *str);

/* V3 extension structure */

struct v3_ext_method {
int ext_nid;
int ext_flags;
/* If this is set the following four fields are ignored */
ASN1_ITEM_EXP *it;
/* Old style ASN1 calls */
X509V3_EXT_NEW ext_new;
X509V3_EXT_FREE ext_free;
X509V3_EXT_D2I d2i;
X509V3_EXT_I2D i2d;

/* The following pair is used for string extensions */
X509V3_EXT_I2S i2s;
X509V3_EXT_S2I s2i;

/* The following pair is used for multi-valued extensions */
X509V3_EXT_I2V i2v;
X509V3_EXT_V2I v2i;

/* The following are used for raw extensions */
X509V3_EXT_I2R i2r;
X509V3_EXT_R2I r2i;

void *usr_data; /* Any extension specific data */
};

typedef struct X509V3_CONF_METHOD_st {
char * (*get_string)(void *db, char *section, char *value);
STACK_OF(CONF_VALUE) * (*get_section)(void *db, char *section);
void (*free_string)(void *db, char * string);
void (*free_section)(void *db, STACK_OF(CONF_VALUE) *section);
} X509V3_CONF_METHOD;

/* Context specific info */
struct v3_ext_ctx {
#define CTX_TEST 0x1
int flags;
X509 *issuer_cert;
X509 *subject_cert;
X509_REQ *subject_req;
X509_CRL *crl;
const X509V3_CONF_METHOD *db_meth;
void *db;
/* Maybe more here */
};

typedef struct v3_ext_method X509V3_EXT_METHOD;

DECLARE_STACK_OF(X509V3_EXT_METHOD)

/* ext_flags values */
#define X509V3_EXT_DYNAMIC  0x1
#define X509V3_EXT_CTX_DEP  0x2
#define X509V3_EXT_MULTILINE    0x4

typedef BIT_STRING_BITNAME ENUMERATED_NAMES;

struct BASIC_CONSTRAINTS_st {
int ca;
ASN1_INTEGER *pathlen;
};


typedef struct PKEY_USAGE_PERIOD_st {
ASN1_GENERALIZEDTIME *notBefore;
ASN1_GENERALIZEDTIME *notAfter;
} PKEY_USAGE_PERIOD;

typedef struct otherName_st {
ASN1_OBJECT *type_id;
ASN1_TYPE *value;
} OTHERNAME;

typedef struct EDIPartyName_st {
    ASN1_STRING *nameAssigner;
    ASN1_STRING *partyName;
} EDIPARTYNAME;

typedef struct GENERAL_NAME_st {

#define GEN_OTHERNAME   0
#define GEN_EMAIL   1
#define GEN_DNS     2
#define GEN_X400    3
#define GEN_DIRNAME 4
#define GEN_EDIPARTY    5
#define GEN_URI     6
#define GEN_IPADD   7
#define GEN_RID     8

int type;
union {
    char *ptr;
    OTHERNAME *otherName; /* otherName */
    ASN1_IA5STRING *rfc822Name;
    ASN1_IA5STRING *dNSName;
    ASN1_TYPE *x400Address;
    X509_NAME *directoryName;
    EDIPARTYNAME *ediPartyName;
    ASN1_IA5STRING *uniformResourceIdentifier;
    ASN1_OCTET_STRING *iPAddress;
    ASN1_OBJECT *registeredID;

    /* Old names */
    ASN1_OCTET_STRING *ip; /* iPAddress */
    X509_NAME *dirn;        /* dirn */
    ASN1_IA5STRING *ia5;/* rfc822Name, dNSName, uniformResourceIdentifier */
    ASN1_OBJECT *rid; /* registeredID */
    ASN1_TYPE *other; /* x400Address */
} d;
} GENERAL_NAME;

typedef STACK_OF(GENERAL_NAME) GENERAL_NAMES;

typedef struct ACCESS_DESCRIPTION_st {
    ASN1_OBJECT *method;
    GENERAL_NAME *location;
} ACCESS_DESCRIPTION;

typedef STACK_OF(ACCESS_DESCRIPTION) AUTHORITY_INFO_ACCESS;

typedef STACK_OF(ASN1_OBJECT) EXTENDED_KEY_USAGE;

DECLARE_STACK_OF(GENERAL_NAME)
DECLARE_ASN1_SET_OF(GENERAL_NAME)

DECLARE_STACK_OF(ACCESS_DESCRIPTION)
DECLARE_ASN1_SET_OF(ACCESS_DESCRIPTION)

typedef struct DIST_POINT_NAME_st {
int type;
union {
    GENERAL_NAMES *fullname;
    STACK_OF(X509_NAME_ENTRY) *relativename;
} name;
/* If relativename then this contains the full distribution point name */
X509_NAME *dpname;
} DIST_POINT_NAME;
/* All existing reasons */
#define CRLDP_ALL_REASONS   0x807f

#define CRL_REASON_NONE             (-1)
#define CRL_REASON_UNSPECIFIED          0
#define CRL_REASON_KEY_COMPROMISE       1
#define CRL_REASON_CA_COMPROMISE        2
#define CRL_REASON_AFFILIATION_CHANGED      3
#define CRL_REASON_SUPERSEDED           4
#define CRL_REASON_CESSATION_OF_OPERATION   5
#define CRL_REASON_CERTIFICATE_HOLD     6
#define CRL_REASON_REMOVE_FROM_CRL      8
#define CRL_REASON_PRIVILEGE_WITHDRAWN      9
#define CRL_REASON_AA_COMPROMISE        10

struct DIST_POINT_st {
DIST_POINT_NAME *distpoint;
ASN1_BIT_STRING *reasons;
GENERAL_NAMES *CRLissuer;
int dp_reasons;
};

typedef STACK_OF(DIST_POINT) CRL_DIST_POINTS;

DECLARE_STACK_OF(DIST_POINT)
DECLARE_ASN1_SET_OF(DIST_POINT)

struct AUTHORITY_KEYID_st {
ASN1_OCTET_STRING *keyid;
GENERAL_NAMES *issuer;
ASN1_INTEGER *serial;
};

/* Strong extranet structures */

typedef struct SXNET_ID_st {
    ASN1_INTEGER *zone;
    ASN1_OCTET_STRING *user;
} SXNETID;

DECLARE_STACK_OF(SXNETID)
DECLARE_ASN1_SET_OF(SXNETID)

typedef struct SXNET_st {
    ASN1_INTEGER *version;
    STACK_OF(SXNETID) *ids;
} SXNET;

typedef struct NOTICEREF_st {
    ASN1_STRING *organization;
    STACK_OF(ASN1_INTEGER) *noticenos;
} NOTICEREF;

typedef struct USERNOTICE_st {
    NOTICEREF *noticeref;
    ASN1_STRING *exptext;
} USERNOTICE;

typedef struct POLICYQUALINFO_st {
    ASN1_OBJECT *pqualid;
    union {
        ASN1_IA5STRING *cpsuri;
        USERNOTICE *usernotice;
        ASN1_TYPE *other;
    } d;
} POLICYQUALINFO;

DECLARE_STACK_OF(POLICYQUALINFO)
DECLARE_ASN1_SET_OF(POLICYQUALINFO)

typedef struct POLICYINFO_st {
    ASN1_OBJECT *policyid;
    STACK_OF(POLICYQUALINFO) *qualifiers;
} POLICYINFO;

typedef STACK_OF(POLICYINFO) CERTIFICATEPOLICIES;

DECLARE_STACK_OF(POLICYINFO)
DECLARE_ASN1_SET_OF(POLICYINFO)

typedef struct POLICY_MAPPING_st {
    ASN1_OBJECT *issuerDomainPolicy;
    ASN1_OBJECT *subjectDomainPolicy;
} POLICY_MAPPING;

DECLARE_STACK_OF(POLICY_MAPPING)

typedef STACK_OF(POLICY_MAPPING) POLICY_MAPPINGS;

typedef struct GENERAL_SUBTREE_st {
    GENERAL_NAME *base;
    ASN1_INTEGER *minimum;
    ASN1_INTEGER *maximum;
} GENERAL_SUBTREE;

DECLARE_STACK_OF(GENERAL_SUBTREE)

struct NAME_CONSTRAINTS_st {
    STACK_OF(GENERAL_SUBTREE) *permittedSubtrees;
    STACK_OF(GENERAL_SUBTREE) *excludedSubtrees;
};

typedef struct POLICY_CONSTRAINTS_st {
    ASN1_INTEGER *requireExplicitPolicy;
    ASN1_INTEGER *inhibitPolicyMapping;
} POLICY_CONSTRAINTS;

/* Proxy certificate structures, see RFC 3820 */
typedef struct PROXY_POLICY_st
    {
    ASN1_OBJECT *policyLanguage;
    ASN1_OCTET_STRING *policy;
    } PROXY_POLICY;

typedef struct PROXY_CERT_INFO_EXTENSION_st
    {
    ASN1_INTEGER *pcPathLengthConstraint;
    PROXY_POLICY *proxyPolicy;
    } PROXY_CERT_INFO_EXTENSION;

DECLARE_ASN1_FUNCTIONS(PROXY_POLICY)
DECLARE_ASN1_FUNCTIONS(PROXY_CERT_INFO_EXTENSION)

struct ISSUING_DIST_POINT_st
    {
    DIST_POINT_NAME *distpoint;
    int onlyuser;
    int onlyCA;
    ASN1_BIT_STRING *onlysomereasons;
    int indirectCRL;
    int onlyattr;
    };

/* Values in idp_flags field */
/* IDP present */
#define IDP_PRESENT 0x1
/* IDP values inconsistent */
#define IDP_INVALID 0x2
/* onlyuser true */
#define IDP_ONLYUSER    0x4
/* onlyCA true */
#define IDP_ONLYCA  0x8
/* onlyattr true */
#define IDP_ONLYATTR    0x10
/* indirectCRL true */
#define IDP_INDIRECT    0x20
/* onlysomereasons present */
#define IDP_REASONS 0x40

#define X509V3_conf_err(val) ERR_add_error_data(6, "section:", (val)->section, \
",name:", (val)->name, ",value:", (val)->value);

#define X509V3_set_ctx_test(ctx) \
            X509V3_set_ctx(ctx, NULL, NULL, NULL, NULL, CTX_TEST)
#define X509V3_set_ctx_nodb(ctx) (ctx)->db = NULL;

#define EXT_BITSTRING(nid, table) { nid, 0, ASN1_ITEM_ref(ASN1_BIT_STRING), \
            0,0,0,0, \
            0,0, \
            (X509V3_EXT_I2V)i2v_ASN1_BIT_STRING, \
            (X509V3_EXT_V2I)v2i_ASN1_BIT_STRING, \
            NULL, NULL, \
            (void *)(table)}

#define EXT_IA5STRING(nid) { nid, 0, ASN1_ITEM_ref(ASN1_IA5STRING), \
            0,0,0,0, \
            (X509V3_EXT_I2S)i2s_ASN1_IA5STRING, \
            (X509V3_EXT_S2I)s2i_ASN1_IA5STRING, \
            0,0,0,0, \
            NULL}

#define EXT_END { -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}


/* X509_PURPOSE stuff */

#define EXFLAG_BCONS        0x1
#define EXFLAG_KUSAGE       0x2
#define EXFLAG_XKUSAGE      0x4
#define EXFLAG_NSCERT       0x8

#define EXFLAG_CA       0x10
/* Really self issued not necessarily self signed */
#define EXFLAG_SI       0x20
#define EXFLAG_V1       0x40
#define EXFLAG_INVALID      0x80
#define EXFLAG_SET      0x100
#define EXFLAG_CRITICAL     0x200
#define EXFLAG_PROXY        0x400

#define EXFLAG_INVALID_POLICY   0x800
#define EXFLAG_FRESHEST     0x1000
/* Self signed */
#define EXFLAG_SS       0x2000

#define KU_DIGITAL_SIGNATURE    0x0080
#define KU_NON_REPUDIATION  0x0040
#define KU_KEY_ENCIPHERMENT 0x0020
#define KU_DATA_ENCIPHERMENT    0x0010
#define KU_KEY_AGREEMENT    0x0008
#define KU_KEY_CERT_SIGN    0x0004
#define KU_CRL_SIGN     0x0002
#define KU_ENCIPHER_ONLY    0x0001
#define KU_DECIPHER_ONLY    0x8000

#define NS_SSL_CLIENT       0x80
#define NS_SSL_SERVER       0x40
#define NS_SMIME        0x20
#define NS_OBJSIGN      0x10
#define NS_SSL_CA       0x04
#define NS_SMIME_CA     0x02
#define NS_OBJSIGN_CA       0x01
#define NS_ANY_CA       (NS_SSL_CA|NS_SMIME_CA|NS_OBJSIGN_CA)

#define XKU_SSL_SERVER      0x1 
#define XKU_SSL_CLIENT      0x2
#define XKU_SMIME       0x4
#define XKU_CODE_SIGN       0x8
#define XKU_SGC         0x10
#define XKU_OCSP_SIGN       0x20
#define XKU_TIMESTAMP       0x40
#define XKU_DVCS        0x80
#define XKU_ANYEKU      0x100

#define X509_PURPOSE_DYNAMIC    0x1
#define X509_PURPOSE_DYNAMIC_NAME   0x2

typedef struct x509_purpose_st {
    int purpose;
    int trust;      /* Default trust ID */
    int flags;
    int (*check_purpose)(const struct x509_purpose_st *,
                const X509 *, int);
    char *name;
    char *sname;
    void *usr_data;
} X509_PURPOSE;

#define X509_PURPOSE_SSL_CLIENT     1
#define X509_PURPOSE_SSL_SERVER     2
#define X509_PURPOSE_NS_SSL_SERVER  3
#define X509_PURPOSE_SMIME_SIGN     4
#define X509_PURPOSE_SMIME_ENCRYPT  5
#define X509_PURPOSE_CRL_SIGN       6
#define X509_PURPOSE_ANY        7
#define X509_PURPOSE_OCSP_HELPER    8
#define X509_PURPOSE_TIMESTAMP_SIGN 9

#define X509_PURPOSE_MIN        1
#define X509_PURPOSE_MAX        9

/* Flags for X509V3_EXT_print() */

#define X509V3_EXT_UNKNOWN_MASK     (0xfL << 16)
/* Return error for unknown extensions */
#define X509V3_EXT_DEFAULT      0
/* Print error for unknown extensions */
#define X509V3_EXT_ERROR_UNKNOWN    (1L << 16)
/* ASN1 parse unknown extensions */
#define X509V3_EXT_PARSE_UNKNOWN    (2L << 16)
/* BIO_dump unknown extensions */
#define X509V3_EXT_DUMP_UNKNOWN     (3L << 16)

/* Flags for X509V3_add1_i2d */

#define X509V3_ADD_OP_MASK      0xfL
#define X509V3_ADD_DEFAULT      0L
#define X509V3_ADD_APPEND       1L
#define X509V3_ADD_REPLACE      2L
#define X509V3_ADD_REPLACE_EXISTING 3L
#define X509V3_ADD_KEEP_EXISTING    4L
#define X509V3_ADD_DELETE       5L
#define X509V3_ADD_SILENT       0x10

DECLARE_STACK_OF(X509_PURPOSE)

DECLARE_ASN1_FUNCTIONS(BASIC_CONSTRAINTS)

DECLARE_ASN1_FUNCTIONS(SXNET)
DECLARE_ASN1_FUNCTIONS(SXNETID)

int SXNET_add_id_asc(SXNET **psx, char *zone, char *user, int userlen); 
int SXNET_add_id_ulong(SXNET **psx, unsigned long lzone, char *user, int userlen); 
int SXNET_add_id_INTEGER(SXNET **psx, ASN1_INTEGER *izone, char *user, int userlen); 

ASN1_OCTET_STRING *SXNET_get_id_asc(SXNET *sx, char *zone);
ASN1_OCTET_STRING *SXNET_get_id_ulong(SXNET *sx, unsigned long lzone);
ASN1_OCTET_STRING *SXNET_get_id_INTEGER(SXNET *sx, ASN1_INTEGER *zone);

DECLARE_ASN1_FUNCTIONS(AUTHORITY_KEYID)

DECLARE_ASN1_FUNCTIONS(PKEY_USAGE_PERIOD)

DECLARE_ASN1_FUNCTIONS(GENERAL_NAME)
OPENSSL_EXPORT GENERAL_NAME *GENERAL_NAME_dup(GENERAL_NAME *a);
OPENSSL_EXPORT int GENERAL_NAME_cmp(GENERAL_NAME *a, GENERAL_NAME *b);



OPENSSL_EXPORT ASN1_BIT_STRING *v2i_ASN1_BIT_STRING(X509V3_EXT_METHOD *method,
                X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
OPENSSL_EXPORT STACK_OF(CONF_VALUE) *i2v_ASN1_BIT_STRING(X509V3_EXT_METHOD *method,
                ASN1_BIT_STRING *bits,
                STACK_OF(CONF_VALUE) *extlist);

OPENSSL_EXPORT STACK_OF(CONF_VALUE) *i2v_GENERAL_NAME(X509V3_EXT_METHOD *method, GENERAL_NAME *gen, STACK_OF(CONF_VALUE) *ret);
OPENSSL_EXPORT int GENERAL_NAME_print(BIO *out, GENERAL_NAME *gen);

DECLARE_ASN1_FUNCTIONS(GENERAL_NAMES)

OPENSSL_EXPORT STACK_OF(CONF_VALUE) *i2v_GENERAL_NAMES(X509V3_EXT_METHOD *method,
        GENERAL_NAMES *gen, STACK_OF(CONF_VALUE) *extlist);
OPENSSL_EXPORT GENERAL_NAMES *v2i_GENERAL_NAMES(const X509V3_EXT_METHOD *method,
                 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);

DECLARE_ASN1_FUNCTIONS(OTHERNAME)
DECLARE_ASN1_FUNCTIONS(EDIPARTYNAME)
OPENSSL_EXPORT int OTHERNAME_cmp(OTHERNAME *a, OTHERNAME *b);
OPENSSL_EXPORT void GENERAL_NAME_set0_value(GENERAL_NAME *a, int type, void *value);
OPENSSL_EXPORT void *GENERAL_NAME_get0_value(GENERAL_NAME *a, int *ptype);
OPENSSL_EXPORT int GENERAL_NAME_set0_othername(GENERAL_NAME *gen,
                ASN1_OBJECT *oid, ASN1_TYPE *value);
OPENSSL_EXPORT int GENERAL_NAME_get0_otherName(GENERAL_NAME *gen, 
                ASN1_OBJECT **poid, ASN1_TYPE **pvalue);

OPENSSL_EXPORT char *i2s_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method, ASN1_OCTET_STRING *ia5);
OPENSSL_EXPORT ASN1_OCTET_STRING *s2i_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, char *str);

DECLARE_ASN1_FUNCTIONS(EXTENDED_KEY_USAGE)
OPENSSL_EXPORT int i2a_ACCESS_DESCRIPTION(BIO *bp, ACCESS_DESCRIPTION* a);

DECLARE_ASN1_FUNCTIONS(CERTIFICATEPOLICIES)
DECLARE_ASN1_FUNCTIONS(POLICYINFO)
DECLARE_ASN1_FUNCTIONS(POLICYQUALINFO)
DECLARE_ASN1_FUNCTIONS(USERNOTICE)
DECLARE_ASN1_FUNCTIONS(NOTICEREF)

DECLARE_ASN1_FUNCTIONS(CRL_DIST_POINTS)
DECLARE_ASN1_FUNCTIONS(DIST_POINT)
DECLARE_ASN1_FUNCTIONS(DIST_POINT_NAME)
DECLARE_ASN1_FUNCTIONS(ISSUING_DIST_POINT)

OPENSSL_EXPORT int DIST_POINT_set_dpname(DIST_POINT_NAME *dpn, X509_NAME *iname);

OPENSSL_EXPORT int NAME_CONSTRAINTS_check(X509 *x, NAME_CONSTRAINTS *nc);

DECLARE_ASN1_FUNCTIONS(ACCESS_DESCRIPTION)
DECLARE_ASN1_FUNCTIONS(AUTHORITY_INFO_ACCESS)

DECLARE_ASN1_ITEM(POLICY_MAPPING)
DECLARE_ASN1_ALLOC_FUNCTIONS(POLICY_MAPPING)
DECLARE_ASN1_ITEM(POLICY_MAPPINGS)

DECLARE_ASN1_ITEM(GENERAL_SUBTREE)
DECLARE_ASN1_ALLOC_FUNCTIONS(GENERAL_SUBTREE)

DECLARE_ASN1_ITEM(NAME_CONSTRAINTS)
DECLARE_ASN1_ALLOC_FUNCTIONS(NAME_CONSTRAINTS)

DECLARE_ASN1_ALLOC_FUNCTIONS(POLICY_CONSTRAINTS)
DECLARE_ASN1_ITEM(POLICY_CONSTRAINTS)

OPENSSL_EXPORT GENERAL_NAME *a2i_GENERAL_NAME(GENERAL_NAME *out,
                   const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
                   int gen_type, char *value, int is_nc);

OPENSSL_EXPORT GENERAL_NAME *v2i_GENERAL_NAME(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
                   CONF_VALUE *cnf);
OPENSSL_EXPORT GENERAL_NAME *v2i_GENERAL_NAME_ex(GENERAL_NAME *out,
                  const X509V3_EXT_METHOD *method,
                  X509V3_CTX *ctx, CONF_VALUE *cnf, int is_nc);
OPENSSL_EXPORT void X509V3_conf_free(CONF_VALUE *val);

OPENSSL_EXPORT X509_EXTENSION *X509V3_EXT_conf_nid(LHASH_OF(CONF_VALUE) *conf, X509V3_CTX *ctx, int ext_nid, char *value);
OPENSSL_EXPORT X509_EXTENSION *X509V3_EXT_nconf_nid(CONF *conf, X509V3_CTX *ctx, int ext_nid, char *value);
OPENSSL_EXPORT X509_EXTENSION *X509V3_EXT_nconf(CONF *conf, X509V3_CTX *ctx, char *name, char *value);
OPENSSL_EXPORT int X509V3_EXT_add_nconf_sk(CONF *conf, X509V3_CTX *ctx, char *section, STACK_OF(X509_EXTENSION) **sk);
OPENSSL_EXPORT int X509V3_EXT_add_nconf(CONF *conf, X509V3_CTX *ctx, char *section, X509 *cert);
OPENSSL_EXPORT int X509V3_EXT_REQ_add_nconf(CONF *conf, X509V3_CTX *ctx, char *section, X509_REQ *req);
OPENSSL_EXPORT int X509V3_EXT_CRL_add_nconf(CONF *conf, X509V3_CTX *ctx, char *section, X509_CRL *crl);

OPENSSL_EXPORT int X509V3_EXT_CRL_add_conf(LHASH_OF(CONF_VALUE) *conf, X509V3_CTX *ctx,
                char *section, X509_CRL *crl);

OPENSSL_EXPORT int X509V3_add_value_bool_nf(char *name, int asn1_bool,
                 STACK_OF(CONF_VALUE) **extlist);
OPENSSL_EXPORT int X509V3_get_value_bool(CONF_VALUE *value, int *asn1_bool);
OPENSSL_EXPORT int X509V3_get_value_int(CONF_VALUE *value, ASN1_INTEGER **aint);
OPENSSL_EXPORT void X509V3_set_nconf(X509V3_CTX *ctx, CONF *conf);

OPENSSL_EXPORT char * X509V3_get_string(X509V3_CTX *ctx, char *name, char *section);
OPENSSL_EXPORT STACK_OF(CONF_VALUE) * X509V3_get_section(X509V3_CTX *ctx, char *section);
OPENSSL_EXPORT void X509V3_string_free(X509V3_CTX *ctx, char *str);
OPENSSL_EXPORT void X509V3_section_free( X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *section);
OPENSSL_EXPORT void X509V3_set_ctx(X509V3_CTX *ctx, X509 *issuer, X509 *subject,
                 X509_REQ *req, X509_CRL *crl, int flags);

OPENSSL_EXPORT int X509V3_add_value(const char *name, const char *value,
                        STACK_OF(CONF_VALUE) **extlist);
OPENSSL_EXPORT int X509V3_add_value_uchar(const char *name, const unsigned char *value,
                        STACK_OF(CONF_VALUE) **extlist);
OPENSSL_EXPORT int X509V3_add_value_bool(const char *name, int asn1_bool,
                        STACK_OF(CONF_VALUE) **extlist);
OPENSSL_EXPORT int X509V3_add_value_int(const char *name, ASN1_INTEGER *aint,
                        STACK_OF(CONF_VALUE) **extlist);
OPENSSL_EXPORT char * i2s_ASN1_INTEGER(X509V3_EXT_METHOD *meth, ASN1_INTEGER *aint);
OPENSSL_EXPORT ASN1_INTEGER * s2i_ASN1_INTEGER(X509V3_EXT_METHOD *meth, char *value);
OPENSSL_EXPORT char * i2s_ASN1_ENUMERATED(X509V3_EXT_METHOD *meth, ASN1_ENUMERATED *aint);
OPENSSL_EXPORT char * i2s_ASN1_ENUMERATED_TABLE(X509V3_EXT_METHOD *meth, ASN1_ENUMERATED *aint);
OPENSSL_EXPORT int X509V3_EXT_add(X509V3_EXT_METHOD *ext);
OPENSSL_EXPORT int X509V3_EXT_add_list(X509V3_EXT_METHOD *extlist);
OPENSSL_EXPORT int X509V3_EXT_add_alias(int nid_to, int nid_from);
OPENSSL_EXPORT void X509V3_EXT_cleanup(void);

OPENSSL_EXPORT const X509V3_EXT_METHOD *X509V3_EXT_get(X509_EXTENSION *ext);
OPENSSL_EXPORT const X509V3_EXT_METHOD *X509V3_EXT_get_nid(int nid);
OPENSSL_EXPORT int X509V3_add_standard_extensions(void);
OPENSSL_EXPORT STACK_OF(CONF_VALUE) *X509V3_parse_list(const char *line);
OPENSSL_EXPORT void *X509V3_EXT_d2i(X509_EXTENSION *ext);
OPENSSL_EXPORT void *X509V3_get_d2i(STACK_OF(X509_EXTENSION) *x, int nid, int *crit, int *idx);
OPENSSL_EXPORT int X509V3_EXT_free(int nid, void *ext_data);


OPENSSL_EXPORT X509_EXTENSION *X509V3_EXT_i2d(int ext_nid, int crit, void *ext_struc);
OPENSSL_EXPORT int X509V3_add1_i2d(STACK_OF(X509_EXTENSION) **x, int nid, void *value, int crit, unsigned long flags);

char *hex_to_string(const unsigned char *buffer, long len);
unsigned char *string_to_hex(const char *str, long *len);
int name_cmp(const char *name, const char *cmp);

OPENSSL_EXPORT void X509V3_EXT_val_prn(BIO *out, STACK_OF(CONF_VALUE) *val, int indent,
                                 int ml);
OPENSSL_EXPORT int X509V3_EXT_print(BIO *out, X509_EXTENSION *ext, unsigned long flag, int indent);
OPENSSL_EXPORT int X509V3_EXT_print_fp(FILE *out, X509_EXTENSION *ext, int flag, int indent);

OPENSSL_EXPORT int X509V3_extensions_print(BIO *out, const char *title, STACK_OF(X509_EXTENSION) *exts, unsigned long flag, int indent);

OPENSSL_EXPORT int X509_check_ca(X509 *x);
OPENSSL_EXPORT int X509_check_purpose(X509 *x, int id, int ca);
OPENSSL_EXPORT int X509_supported_extension(X509_EXTENSION *ex);
OPENSSL_EXPORT int X509_PURPOSE_set(int *p, int purpose);
OPENSSL_EXPORT int X509_check_issued(X509 *issuer, X509 *subject);
OPENSSL_EXPORT int X509_check_akid(X509 *issuer, AUTHORITY_KEYID *akid);
OPENSSL_EXPORT int X509_PURPOSE_get_count(void);
OPENSSL_EXPORT X509_PURPOSE * X509_PURPOSE_get0(int idx);
OPENSSL_EXPORT int X509_PURPOSE_get_by_sname(char *sname);
OPENSSL_EXPORT int X509_PURPOSE_get_by_id(int id);
OPENSSL_EXPORT int X509_PURPOSE_add(int id, int trust, int flags,
            int (*ck)(const X509_PURPOSE *, const X509 *, int),
                char *name, char *sname, void *arg);
OPENSSL_EXPORT char *X509_PURPOSE_get0_name(X509_PURPOSE *xp);
OPENSSL_EXPORT char *X509_PURPOSE_get0_sname(X509_PURPOSE *xp);
OPENSSL_EXPORT int X509_PURPOSE_get_trust(X509_PURPOSE *xp);
OPENSSL_EXPORT void X509_PURPOSE_cleanup(void);
OPENSSL_EXPORT int X509_PURPOSE_get_id(X509_PURPOSE *);

OPENSSL_EXPORT STACK_OF(OPENSSL_STRING) *X509_get1_email(X509 *x);
OPENSSL_EXPORT STACK_OF(OPENSSL_STRING) *X509_REQ_get1_email(X509_REQ *x);
OPENSSL_EXPORT void X509_email_free(STACK_OF(OPENSSL_STRING) *sk);
OPENSSL_EXPORT STACK_OF(OPENSSL_STRING) *X509_get1_ocsp(X509 *x);
/* Flags for X509_check_* functions */

/* Always check subject name for host match even if subject alt names present */
#define X509_CHECK_FLAG_ALWAYS_CHECK_SUBJECT    0x1
/* Disable wildcard matching for dnsName fields and common name. */
#define X509_CHECK_FLAG_NO_WILDCARDS    0x2
/* Wildcards must not match a partial label. */
#define X509_CHECK_FLAG_NO_PARTIAL_WILDCARDS 0x4
/* Allow (non-partial) wildcards to match multiple labels. */
#define X509_CHECK_FLAG_MULTI_LABEL_WILDCARDS 0x8
/* Constraint verifier subdomain patterns to match a single labels. */
#define X509_CHECK_FLAG_SINGLE_LABEL_SUBDOMAINS 0x10
/*
 * Match reference identifiers starting with "." to any sub-domain.
 * This is a non-public flag, turned on implicitly when the subject
 * reference identity is a DNS name.
 */
#define _X509_CHECK_FLAG_DOT_SUBDOMAINS 0x8000

OPENSSL_EXPORT int X509_check_host(X509 *x, const char *chk, size_t chklen,
                    unsigned int flags, char **peername);
OPENSSL_EXPORT int X509_check_email(X509 *x, const char *chk, size_t chklen,
                    unsigned int flags);
OPENSSL_EXPORT int X509_check_ip(X509 *x, const unsigned char *chk, size_t chklen,
                    unsigned int flags);
OPENSSL_EXPORT int X509_check_ip_asc(X509 *x, const char *ipasc, unsigned int flags);

OPENSSL_EXPORT ASN1_OCTET_STRING *a2i_IPADDRESS(const char *ipasc);
OPENSSL_EXPORT ASN1_OCTET_STRING *a2i_IPADDRESS_NC(const char *ipasc);
OPENSSL_EXPORT int a2i_ipadd(unsigned char *ipout, const char *ipasc);
OPENSSL_EXPORT int X509V3_NAME_from_section(X509_NAME *nm, STACK_OF(CONF_VALUE)*dn_sk,
                        unsigned long chtype);

OPENSSL_EXPORT void X509_POLICY_NODE_print(BIO *out, X509_POLICY_NODE *node, int indent);
DECLARE_STACK_OF(X509_POLICY_NODE)

/* BEGIN ERROR CODES */
/* The following lines are auto generated by the script mkerr.pl. Any changes
 * made after this point may be overwritten when the script is next run.
 */
void ERR_load_X509V3_strings(void);


#ifdef  __cplusplus
}

extern "C++" {

namespace bssl {

BORINGSSL_MAKE_STACK_DELETER(DIST_POINT, DIST_POINT_free)
BORINGSSL_MAKE_STACK_DELETER(GENERAL_NAME, GENERAL_NAME_free)
// A STACK_OF(POLICYINFO) is also known as a CERTIFICATEPOLICIES.
BORINGSSL_MAKE_STACK_DELETER(POLICYINFO, POLICYINFO_free)

BORINGSSL_MAKE_DELETER(AUTHORITY_KEYID, AUTHORITY_KEYID_free)
BORINGSSL_MAKE_DELETER(BASIC_CONSTRAINTS, BASIC_CONSTRAINTS_free)
BORINGSSL_MAKE_DELETER(DIST_POINT, DIST_POINT_free)
BORINGSSL_MAKE_DELETER(GENERAL_NAME, GENERAL_NAME_free)

}  // namespace bssl

}  /* extern C++ */
#endif

#define X509V3_R_BAD_IP_ADDRESS 100
#define X509V3_R_BAD_OBJECT 101
#define X509V3_R_BN_DEC2BN_ERROR 102
#define X509V3_R_BN_TO_ASN1_INTEGER_ERROR 103
#define X509V3_R_CANNOT_FIND_FREE_FUNCTION 104
#define X509V3_R_DIRNAME_ERROR 105
#define X509V3_R_DISTPOINT_ALREADY_SET 106
#define X509V3_R_DUPLICATE_ZONE_ID 107
#define X509V3_R_ERROR_CONVERTING_ZONE 108
#define X509V3_R_ERROR_CREATING_EXTENSION 109
#define X509V3_R_ERROR_IN_EXTENSION 110
#define X509V3_R_EXPECTED_A_SECTION_NAME 111
#define X509V3_R_EXTENSION_EXISTS 112
#define X509V3_R_EXTENSION_NAME_ERROR 113
#define X509V3_R_EXTENSION_NOT_FOUND 114
#define X509V3_R_EXTENSION_SETTING_NOT_SUPPORTED 115
#define X509V3_R_EXTENSION_VALUE_ERROR 116
#define X509V3_R_ILLEGAL_EMPTY_EXTENSION 117
#define X509V3_R_ILLEGAL_HEX_DIGIT 118
#define X509V3_R_INCORRECT_POLICY_SYNTAX_TAG 119
#define X509V3_R_INVALID_BOOLEAN_STRING 120
#define X509V3_R_INVALID_EXTENSION_STRING 121
#define X509V3_R_INVALID_MULTIPLE_RDNS 122
#define X509V3_R_INVALID_NAME 123
#define X509V3_R_INVALID_NULL_ARGUMENT 124
#define X509V3_R_INVALID_NULL_NAME 125
#define X509V3_R_INVALID_NULL_VALUE 126
#define X509V3_R_INVALID_NUMBER 127
#define X509V3_R_INVALID_NUMBERS 128
#define X509V3_R_INVALID_OBJECT_IDENTIFIER 129
#define X509V3_R_INVALID_OPTION 130
#define X509V3_R_INVALID_POLICY_IDENTIFIER 131
#define X509V3_R_INVALID_PROXY_POLICY_SETTING 132
#define X509V3_R_INVALID_PURPOSE 133
#define X509V3_R_INVALID_SECTION 134
#define X509V3_R_INVALID_SYNTAX 135
#define X509V3_R_ISSUER_DECODE_ERROR 136
#define X509V3_R_MISSING_VALUE 137
#define X509V3_R_NEED_ORGANIZATION_AND_NUMBERS 138
#define X509V3_R_NO_CONFIG_DATABASE 139
#define X509V3_R_NO_ISSUER_CERTIFICATE 140
#define X509V3_R_NO_ISSUER_DETAILS 141
#define X509V3_R_NO_POLICY_IDENTIFIER 142
#define X509V3_R_NO_PROXY_CERT_POLICY_LANGUAGE_DEFINED 143
#define X509V3_R_NO_PUBLIC_KEY 144
#define X509V3_R_NO_SUBJECT_DETAILS 145
#define X509V3_R_ODD_NUMBER_OF_DIGITS 146
#define X509V3_R_OPERATION_NOT_DEFINED 147
#define X509V3_R_OTHERNAME_ERROR 148
#define X509V3_R_POLICY_LANGUAGE_ALREADY_DEFINED 149
#define X509V3_R_POLICY_PATH_LENGTH 150
#define X509V3_R_POLICY_PATH_LENGTH_ALREADY_DEFINED 151
#define X509V3_R_POLICY_WHEN_PROXY_LANGUAGE_REQUIRES_NO_POLICY 152
#define X509V3_R_SECTION_NOT_FOUND 153
#define X509V3_R_UNABLE_TO_GET_ISSUER_DETAILS 154
#define X509V3_R_UNABLE_TO_GET_ISSUER_KEYID 155
#define X509V3_R_UNKNOWN_BIT_STRING_ARGUMENT 156
#define X509V3_R_UNKNOWN_EXTENSION 157
#define X509V3_R_UNKNOWN_EXTENSION_NAME 158
#define X509V3_R_UNKNOWN_OPTION 159
#define X509V3_R_UNSUPPORTED_OPTION 160
#define X509V3_R_UNSUPPORTED_TYPE 161
#define X509V3_R_USER_TOO_LONG 162

#endif