/* x509v3.h */

/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL

 * project 1999.

 */

/* ====================================================================

 * Copyright (c) 1999 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/x509.h>

#include <openssl/conf.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 *, unsigned char ** , long);

typedef int (*X509V3_EXT_I2D)(void *, unsigned char **);

typedef STACK_OF(CONF_VALUE) * (*X509V3_EXT_I2V)(struct v3_ext_method *method, void *ext, STACK_OF(CONF_VALUE) *extlist);

typedef void * (*X509V3_EXT_V2I)(struct v3_ext_method *method, struct v3_ext_ctx *ctx, STACK_OF(CONF_VALUE) *values);

typedef char * (*X509V3_EXT_I2S)(struct v3_ext_method *method, void *ext);

typedef void * (*X509V3_EXT_S2I)(struct v3_ext_method *method, struct v3_ext_ctx *ctx, char *str);

typedef int (*X509V3_EXT_I2R)(struct v3_ext_method *method, void *ext, BIO *out, int indent);

typedef void * (*X509V3_EXT_R2I)(struct v3_ext_method *method, struct v3_ext_ctx *ctx, 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;

X509V3_CONF_METHOD *db_meth;

void *db;

/* Maybe more here */

};

typedef struct v3_ext_method X509V3_EXT_METHOD;

typedef struct v3_ext_ctx X509V3_CTX;

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;

typedef struct BASIC_CONSTRAINTS_st {

int ca;

ASN1_INTEGER *pathlen;

} BASIC_CONSTRAINTS;

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;

} DIST_POINT_NAME;

typedef struct DIST_POINT_st {

DIST_POINT_NAME	*distpoint;

ASN1_BIT_STRING *reasons;

GENERAL_NAMES *CRLissuer;

} DIST_POINT;

typedef STACK_OF(DIST_POINT) CRL_DIST_POINTS;

DECLARE_STACK_OF(DIST_POINT)

DECLARE_ASN1_SET_OF(DIST_POINT)

typedef struct AUTHORITY_KEYID_st {

ASN1_OCTET_STRING *keyid;

GENERAL_NAMES *issuer;

ASN1_INTEGER *serial;

} AUTHORITY_KEYID;

/* 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)

#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, \

			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

#define EXFLAG_SS		0x20

#define EXFLAG_V1		0x40

#define EXFLAG_INVALID		0x80

#define EXFLAG_SET		0x100

#define EXFLAG_CRITICAL		0x200

#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 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_MIN		1

#define X509_PURPOSE_MAX		8

/* 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)

STACK_OF(CONF_VALUE) *i2v_GENERAL_NAME(X509V3_EXT_METHOD *method, GENERAL_NAME *gen, STACK_OF(CONF_VALUE) *ret);

int GENERAL_NAME_print(BIO *out, GENERAL_NAME *gen);

DECLARE_ASN1_FUNCTIONS(GENERAL_NAMES)

STACK_OF(CONF_VALUE) *i2v_GENERAL_NAMES(X509V3_EXT_METHOD *method,

		GENERAL_NAMES *gen, STACK_OF(CONF_VALUE) *extlist);

GENERAL_NAMES *v2i_GENERAL_NAMES(X509V3_EXT_METHOD *method,

				X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);

DECLARE_ASN1_FUNCTIONS(OTHERNAME)

DECLARE_ASN1_FUNCTIONS(EDIPARTYNAME)

char *i2s_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method, ASN1_OCTET_STRING *ia5);

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

DECLARE_ASN1_FUNCTIONS(EXTENDED_KEY_USAGE)

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(ACCESS_DESCRIPTION)

DECLARE_ASN1_FUNCTIONS(AUTHORITY_INFO_ACCESS)

#ifdef HEADER_CONF_H

GENERAL_NAME *v2i_GENERAL_NAME(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, CONF_VALUE *cnf);

void X509V3_conf_free(CONF_VALUE *val);

X509_EXTENSION *X509V3_EXT_nconf_nid(CONF *conf, X509V3_CTX *ctx, int ext_nid, char *value);

X509_EXTENSION *X509V3_EXT_nconf(CONF *conf, X509V3_CTX *ctx, char *name, char *value);

int X509V3_EXT_add_nconf_sk(CONF *conf, X509V3_CTX *ctx, char *section, STACK_OF(X509_EXTENSION) **sk);

int X509V3_EXT_add_nconf(CONF *conf, X509V3_CTX *ctx, char *section, X509 *cert);

int X509V3_EXT_REQ_add_nconf(CONF *conf, X509V3_CTX *ctx, char *section, X509_REQ *req);

int X509V3_EXT_CRL_add_nconf(CONF *conf, X509V3_CTX *ctx, char *section, X509_CRL *crl);

X509_EXTENSION *X509V3_EXT_conf_nid(LHASH *conf, X509V3_CTX *ctx, int ext_nid, char *value);

X509_EXTENSION *X509V3_EXT_conf(LHASH *conf, X509V3_CTX *ctx, char *name, char *value);

int X509V3_EXT_add_conf(LHASH *conf, X509V3_CTX *ctx, char *section, X509 *cert);

int X509V3_EXT_REQ_add_conf(LHASH *conf, X509V3_CTX *ctx, char *section, X509_REQ *req);

int X509V3_EXT_CRL_add_conf(LHASH *conf, X509V3_CTX *ctx, char *section, X509_CRL *crl);

int X509V3_add_value_bool_nf(char *name, int asn1_bool,

						STACK_OF(CONF_VALUE) **extlist);

int X509V3_get_value_bool(CONF_VALUE *value, int *asn1_bool);

int X509V3_get_value_int(CONF_VALUE *value, ASN1_INTEGER **aint);

void X509V3_set_nconf(X509V3_CTX *ctx, CONF *conf);

void X509V3_set_conf_lhash(X509V3_CTX *ctx, LHASH *lhash);

#endif

char * X509V3_get_string(X509V3_CTX *ctx, char *name, char *section);

STACK_OF(CONF_VALUE) * X509V3_get_section(X509V3_CTX *ctx, char *section);

void X509V3_string_free(X509V3_CTX *ctx, char *str);

void X509V3_section_free( X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *section);

void X509V3_set_ctx(X509V3_CTX *ctx, X509 *issuer, X509 *subject,

				 X509_REQ *req, X509_CRL *crl, int flags);

int X509V3_add_value(const char *name, const char *value,

						STACK_OF(CONF_VALUE) **extlist);

int X509V3_add_value_uchar(const char *name, const unsigned char *value,

						STACK_OF(CONF_VALUE) **extlist);

int X509V3_add_value_bool(const char *name, int asn1_bool,

						STACK_OF(CONF_VALUE) **extlist);

int X509V3_add_value_int(const char *name, ASN1_INTEGER *aint,

						STACK_OF(CONF_VALUE) **extlist);

char * i2s_ASN1_INTEGER(X509V3_EXT_METHOD *meth, ASN1_INTEGER *aint);

ASN1_INTEGER * s2i_ASN1_INTEGER(X509V3_EXT_METHOD *meth, char *value);

char * i2s_ASN1_ENUMERATED(X509V3_EXT_METHOD *meth, ASN1_ENUMERATED *aint);

char * i2s_ASN1_ENUMERATED_TABLE(X509V3_EXT_METHOD *meth, ASN1_ENUMERATED *aint);

int X509V3_EXT_add(X509V3_EXT_METHOD *ext);

int X509V3_EXT_add_list(X509V3_EXT_METHOD *extlist);

int X509V3_EXT_add_alias(int nid_to, int nid_from);

void X509V3_EXT_cleanup(void);

X509V3_EXT_METHOD *X509V3_EXT_get(X509_EXTENSION *ext);

X509V3_EXT_METHOD *X509V3_EXT_get_nid(int nid);

int X509V3_add_standard_extensions(void);

STACK_OF(CONF_VALUE) *X509V3_parse_list(const char *line);

void *X509V3_EXT_d2i(X509_EXTENSION *ext);

void *X509V3_get_d2i(STACK_OF(X509_EXTENSION) *x, int nid, int *crit, int *idx);

X509_EXTENSION *X509V3_EXT_i2d(int ext_nid, int crit, void *ext_struc);

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

char *hex_to_string(unsigned char *buffer, long len);

unsigned char *string_to_hex(char *str, long *len);

int name_cmp(const char *name, const char *cmp);

void X509V3_EXT_val_prn(BIO *out, STACK_OF(CONF_VALUE) *val, int indent,

								 int ml);

int X509V3_EXT_print(BIO *out, X509_EXTENSION *ext, unsigned long flag, int indent);

int X509V3_EXT_print_fp(FILE *out, X509_EXTENSION *ext, int flag, int indent);

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