Remove obsolete OCSP demo

This is a demo of the new ASN1 code. Its an OCSP ASN1 module. Doesn't

do much yet other than demonstrate what the new ASN1 modules might look

like.

It wont even compile yet: the new code isn't in place.

/* ocsp.c */

/*

 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project

 * 2000.

 */

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

 * Copyright (c) 2000 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).

 *

 */

#include <openssl/asn1.h>

#include <openssl/asn1t.h>

#include <openssl/x509v3.h>

/*-

   Example of new ASN1 code, OCSP request

        OCSPRequest     ::=     SEQUENCE {

            tbsRequest                  TBSRequest,

            optionalSignature   [0]     EXPLICIT Signature OPTIONAL }

        TBSRequest      ::=     SEQUENCE {

            version             [0] EXPLICIT Version DEFAULT v1,

            requestorName       [1] EXPLICIT GeneralName OPTIONAL,

            requestList             SEQUENCE OF Request,

            requestExtensions   [2] EXPLICIT Extensions OPTIONAL }

        Signature       ::=     SEQUENCE {

            signatureAlgorithm   AlgorithmIdentifier,

            signature            BIT STRING,

            certs                [0] EXPLICIT SEQUENCE OF Certificate OPTIONAL }

        Version  ::=  INTEGER  {  v1(0) }

        Request ::=     SEQUENCE {

            reqCert                    CertID,

            singleRequestExtensions    [0] EXPLICIT Extensions OPTIONAL }

        CertID ::= SEQUENCE {

            hashAlgorithm            AlgorithmIdentifier,

            issuerNameHash     OCTET STRING, -- Hash of Issuer's DN

            issuerKeyHash      OCTET STRING, -- Hash of Issuers public key

            serialNumber       CertificateSerialNumber }

        OCSPResponse ::= SEQUENCE {

           responseStatus         OCSPResponseStatus,

           responseBytes          [0] EXPLICIT ResponseBytes OPTIONAL }

        OCSPResponseStatus ::= ENUMERATED {

            successful            (0),      --Response has valid confirmations

            malformedRequest      (1),      --Illegal confirmation request

            internalError         (2),      --Internal error in issuer

            tryLater              (3),      --Try again later

                                            --(4) is not used

            sigRequired           (5),      --Must sign the request

            unauthorized          (6)       --Request unauthorized

        }

        ResponseBytes ::=       SEQUENCE {

            responseType   OBJECT IDENTIFIER,

            response       OCTET STRING }

        BasicOCSPResponse       ::= SEQUENCE {

           tbsResponseData      ResponseData,

           signatureAlgorithm   AlgorithmIdentifier,

           signature            BIT STRING,

           certs                [0] EXPLICIT SEQUENCE OF Certificate OPTIONAL }

        ResponseData ::= SEQUENCE {

           version              [0] EXPLICIT Version DEFAULT v1,

           responderID              ResponderID,

           producedAt               GeneralizedTime,

           responses                SEQUENCE OF SingleResponse,

           responseExtensions   [1] EXPLICIT Extensions OPTIONAL }

        ResponderID ::= CHOICE {

           byName   [1] Name,    --EXPLICIT

           byKey    [2] KeyHash }

        KeyHash ::= OCTET STRING --SHA-1 hash of responder's public key

                                 --(excluding the tag and length fields)

        SingleResponse ::= SEQUENCE {

           certID                       CertID,

           certStatus                   CertStatus,

           thisUpdate                   GeneralizedTime,

           nextUpdate           [0]     EXPLICIT GeneralizedTime OPTIONAL,

           singleExtensions     [1]     EXPLICIT Extensions OPTIONAL }

        CertStatus ::= CHOICE {

            good                [0]     IMPLICIT NULL,

            revoked             [1]     IMPLICIT RevokedInfo,

            unknown             [2]     IMPLICIT UnknownInfo }

        RevokedInfo ::= SEQUENCE {

            revocationTime              GeneralizedTime,

            revocationReason    [0]     EXPLICIT CRLReason OPTIONAL }

        UnknownInfo ::= NULL -- this can be replaced with an enumeration

        ArchiveCutoff ::= GeneralizedTime

        AcceptableResponses ::= SEQUENCE OF OBJECT IDENTIFIER

        ServiceLocator ::= SEQUENCE {

            issuer    Name,

            locator   AuthorityInfoAccessSyntax }

        -- Object Identifiers

        id-kp-OCSPSigning            OBJECT IDENTIFIER ::= { id-kp 9 }

        id-pkix-ocsp                 OBJECT IDENTIFIER ::= { id-ad-ocsp }

        id-pkix-ocsp-basic           OBJECT IDENTIFIER ::= { id-pkix-ocsp 1 }

        id-pkix-ocsp-nonce           OBJECT IDENTIFIER ::= { id-pkix-ocsp 2 }

        id-pkix-ocsp-crl             OBJECT IDENTIFIER ::= { id-pkix-ocsp 3 }

        id-pkix-ocsp-response        OBJECT IDENTIFIER ::= { id-pkix-ocsp 4 }

        id-pkix-ocsp-nocheck         OBJECT IDENTIFIER ::= { id-pkix-ocsp 5 }

        id-pkix-ocsp-archive-cutoff  OBJECT IDENTIFIER ::= { id-pkix-ocsp 6 }

        id-pkix-ocsp-service-locator OBJECT IDENTIFIER ::= { id-pkix-ocsp 7 }

*/

/* Request Structures */

DECLARE_STACK_OF(Request)

typedef struct {

    ASN1_INTEGER *version;

    GENERAL_NAME *requestorName;

    STACK_OF(Request) *requestList;

    STACK_OF(X509_EXTENSION) *requestExtensions;

} TBSRequest;

typedef struct {

    X509_ALGOR *signatureAlgorithm;

    ASN1_BIT_STRING *signature;

    STACK_OF(X509) *certs;

} Signature;

typedef struct {

    TBSRequest *tbsRequest;

    Signature *optionalSignature;

} OCSPRequest;

typedef struct {

    X509_ALGOR *hashAlgorithm;

    ASN1_OCTET_STRING *issuerNameHash;

    ASN1_OCTET_STRING *issuerKeyHash;

    ASN1_INTEGER *certificateSerialNumber;

} CertID;

typedef struct {

    CertID *reqCert;

    STACK_OF(X509_EXTENSION) *singleRequestExtensions;

} Request;

/* Response structures */

typedef struct {

    ASN1_OBJECT *responseType;

    ASN1_OCTET_STRING *response;

} ResponseBytes;

typedef struct {

    ASN1_ENUMERATED *responseStatus;

    ResponseBytes *responseBytes;

} OCSPResponse;

typedef struct {

    int type;

    union {

        X509_NAME *byName;

        ASN1_OCTET_STRING *byKey;

    } d;

} ResponderID;

typedef struct {

    ASN1_INTEGER *version;

    ResponderID *responderID;

    ASN1_GENERALIZEDTIME *producedAt;

    STACK_OF(SingleResponse) *responses;

    STACK_OF(X509_EXTENSION) *responseExtensions;

} ResponseData;

typedef struct {

    ResponseData *tbsResponseData;

    X509_ALGOR *signatureAlgorithm;

    ASN1_BIT_STRING *signature;

    STACK_OF(X509) *certs;

} BasicOCSPResponse;

typedef struct {

    ASN1_GENERALIZEDTIME *revocationTime;

    ASN1_ENUMERATED *revocationReason;

} RevokedInfo;

typedef struct {

    int type;

    union {

        ASN1_NULL *good;

        RevokedInfo *revoked;

        ASN1_NULL *unknown;

    } d;

} CertStatus;

typedef struct {

    CertID *certID;

    CertStatus *certStatus;

    ASN1_GENERALIZEDTIME *thisUpdate;

    ASN1_GENERALIZEDTIME *nextUpdate;

    STACK_OF(X509_EXTENSION) *singleExtensions;

} SingleResponse;

typedef struct {

    X509_NAME *issuer;

    STACK_OF(ACCESS_DESCRIPTION) *locator;

} ServiceLocator;

/* Now the ASN1 templates */

IMPLEMENT_COMPAT_ASN1(X509);

IMPLEMENT_COMPAT_ASN1(X509_ALGOR);

// IMPLEMENT_COMPAT_ASN1(X509_EXTENSION);

IMPLEMENT_COMPAT_ASN1(GENERAL_NAME);

IMPLEMENT_COMPAT_ASN1(X509_NAME);

ASN1_SEQUENCE(X509_EXTENSION) = {

        ASN1_SIMPLE(X509_EXTENSION, object, ASN1_OBJECT),

        ASN1_OPT(X509_EXTENSION, critical, ASN1_BOOLEAN),

        ASN1_SIMPLE(X509_EXTENSION, value, ASN1_OCTET_STRING)

} ASN1_SEQUENCE_END(X509_EXTENSION);

ASN1_SEQUENCE(Signature) = {

        ASN1_SIMPLE(Signature, signatureAlgorithm, X509_ALGOR),

        ASN1_SIMPLE(Signature, signature, ASN1_BIT_STRING),

        ASN1_SEQUENCE_OF(Signature, certs, X509)

} ASN1_SEQUENCE_END(Signature);

ASN1_SEQUENCE(CertID) = {

        ASN1_SIMPLE(CertID, hashAlgorithm, X509_ALGOR),

        ASN1_SIMPLE(CertID, issuerNameHash, ASN1_OCTET_STRING),

        ASN1_SIMPLE(CertID, issuerKeyHash, ASN1_OCTET_STRING),

        ASN1_SIMPLE(CertID, certificateSerialNumber, ASN1_INTEGER)

} ASN1_SEQUENCE_END(CertID);

ASN1_SEQUENCE(Request) = {

        ASN1_SIMPLE(Request, reqCert, CertID),

        ASN1_EXP_SEQUENCE_OF_OPT(Request, singleRequestExtensions, X509_EXTENSION, 0)

} ASN1_SEQUENCE_END(Request);

ASN1_SEQUENCE(TBSRequest) = {

        ASN1_EXP_OPT(TBSRequest, version, ASN1_INTEGER, 0),

        ASN1_EXP_OPT(TBSRequest, requestorName, GENERAL_NAME, 1),

        ASN1_SEQUENCE_OF(TBSRequest, requestList, Request),

        ASN1_EXP_SEQUENCE_OF_OPT(TBSRequest, requestExtensions, X509_EXTENSION, 2)

} ASN1_SEQUENCE_END(TBSRequest);

ASN1_SEQUENCE(OCSPRequest) = {

        ASN1_SIMPLE(OCSPRequest, tbsRequest, TBSRequest),

        ASN1_EXP_OPT(OCSPRequest, optionalSignature, Signature, 0)

} ASN1_SEQUENCE_END(OCSPRequest);

/* Response templates */

ASN1_SEQUENCE(ResponseBytes) = {

            ASN1_SIMPLE(ResponseBytes, responseType, ASN1_OBJECT),

            ASN1_SIMPLE(ResponseBytes, response, ASN1_OCTET_STRING)

} ASN1_SEQUENCE_END(ResponseBytes);

ASN1_SEQUENCE(OCSPResponse) = {

        ASN1_SIMPLE(OCSPResponse, responseStatus, ASN1_ENUMERATED),

        ASN1_EXP_OPT(OCSPResponse, responseBytes, ResponseBytes, 0)

} ASN1_SEQUENCE_END(OCSPResponse);

ASN1_CHOICE(ResponderID) = {

           ASN1_EXP(ResponderID, d.byName, X509_NAME, 1),

           ASN1_IMP(ResponderID, d.byKey, ASN1_OCTET_STRING, 2)

} ASN1_CHOICE_END(ResponderID);

ASN1_SEQUENCE(RevokedInfo) = {

        ASN1_SIMPLE(RevokedInfo, revocationTime, ASN1_GENERALIZEDTIME),

        ASN1_EXP_OPT(RevokedInfo, revocationReason, ASN1_ENUMERATED, 0)

} ASN1_SEQUENCE_END(RevokedInfo);

ASN1_CHOICE(CertStatus) = {

        ASN1_IMP(CertStatus, d.good, ASN1_NULL, 0),

        ASN1_IMP(CertStatus, d.revoked, RevokedInfo, 1),

        ASN1_IMP(CertStatus, d.unknown, ASN1_NULL, 2)

} ASN1_CHOICE_END(CertStatus);

ASN1_SEQUENCE(SingleResponse) = {

           ASN1_SIMPLE(SingleResponse, certID, CertID),

           ASN1_SIMPLE(SingleResponse, certStatus, CertStatus),

           ASN1_SIMPLE(SingleResponse, thisUpdate, ASN1_GENERALIZEDTIME),

           ASN1_EXP_OPT(SingleResponse, nextUpdate, ASN1_GENERALIZEDTIME, 0),

           ASN1_EXP_SEQUENCE_OF_OPT(SingleResponse, singleExtensions, X509_EXTENSION, 1)

} ASN1_SEQUENCE_END(SingleResponse);

ASN1_SEQUENCE(ResponseData) = {

           ASN1_EXP_OPT(ResponseData, version, ASN1_INTEGER, 0),

           ASN1_SIMPLE(ResponseData, responderID, ResponderID),

           ASN1_SIMPLE(ResponseData, producedAt, ASN1_GENERALIZEDTIME),

           ASN1_SEQUENCE_OF(ResponseData, responses, SingleResponse),

           ASN1_EXP_SEQUENCE_OF_OPT(ResponseData, responseExtensions, X509_EXTENSION, 1)

} ASN1_SEQUENCE_END(ResponseData);

ASN1_SEQUENCE(BasicOCSPResponse) = {

           ASN1_SIMPLE(BasicOCSPResponse, tbsResponseData, ResponseData),

           ASN1_SIMPLE(BasicOCSPResponse, signatureAlgorithm, X509_ALGOR),

           ASN1_SIMPLE(BasicOCSPResponse, signature, ASN1_BIT_STRING),

           ASN1_EXP_SEQUENCE_OF_OPT(BasicOCSPResponse, certs, X509, 0)

} ASN1_SEQUENCE_END(BasicOCSPResponse);