Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/ocsp/ocsp_cl.c

Index: openssl/crypto/ocsp/ocsp_cl.c
diff --git a/openssl/crypto/ocsp/ocsp_cl.c b/openssl/crypto/ocsp/ocsp_cl.c
deleted file mode 100644
index 9c14d9da273f9869d0b9fcbeb89e6b7e9630f3ce..0000000000000000000000000000000000000000
--- a/openssl/crypto/ocsp/ocsp_cl.c
+++ /dev/null
@@ -1,371 +0,0 @@
-/* ocsp_cl.c */
-/* Written by Tom Titchener <Tom_Titchener@groove.net> for the OpenSSL
- * project. */
-
-/* History:
-   This file was transfered to Richard Levitte from CertCo by Kathy
-   Weinhold in mid-spring 2000 to be included in OpenSSL or released
-   as a patch kit. */
-
-/* ====================================================================
- * Copyright (c) 1998-2000 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
- *    openssl-core@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 <stdio.h>
-#include <time.h>
-#include <cryptlib.h>
-#include <openssl/objects.h>
-#include <openssl/rand.h>
-#include <openssl/x509.h>
-#include <openssl/pem.h>
-#include <openssl/x509v3.h>
-#include <openssl/ocsp.h>
-
-/* Utility functions related to sending OCSP requests and extracting
- * relevant information from the response.
- */
-
-/* Add an OCSP_CERTID to an OCSP request. Return new OCSP_ONEREQ 
- * pointer: useful if we want to add extensions.
- */
-
-OCSP_ONEREQ *OCSP_request_add0_id(OCSP_REQUEST *req, OCSP_CERTID *cid)
-        {
-	OCSP_ONEREQ *one = NULL;
-
-	if (!(one = OCSP_ONEREQ_new())) goto err;
-	if (one->reqCert) OCSP_CERTID_free(one->reqCert);
-	one->reqCert = cid;
-	if (req &&
-		!sk_OCSP_ONEREQ_push(req->tbsRequest->requestList, one))
-				goto err;
-	return one;
-err:
-	OCSP_ONEREQ_free(one);
-	return NULL;
-        }
-
-/* Set requestorName from an X509_NAME structure */
-
-int OCSP_request_set1_name(OCSP_REQUEST *req, X509_NAME *nm)
-	{
-	GENERAL_NAME *gen;
-	gen = GENERAL_NAME_new();
-	if (gen == NULL)
-		return 0;
-	if (!X509_NAME_set(&gen->d.directoryName, nm))
-		{
-		GENERAL_NAME_free(gen);
-		return 0;
-		}
-	gen->type = GEN_DIRNAME;
-	if (req->tbsRequest->requestorName)
-		GENERAL_NAME_free(req->tbsRequest->requestorName);
-	req->tbsRequest->requestorName = gen;
-	return 1;
-	}
-	
-
-/* Add a certificate to an OCSP request */
-
-int OCSP_request_add1_cert(OCSP_REQUEST *req, X509 *cert)
-	{
-	OCSP_SIGNATURE *sig;
-	if (!req->optionalSignature)
-		req->optionalSignature = OCSP_SIGNATURE_new();
-	sig = req->optionalSignature;
-	if (!sig) return 0;
-	if (!cert) return 1;
-	if (!sig->certs && !(sig->certs = sk_X509_new_null()))
-		return 0;
-
-	if(!sk_X509_push(sig->certs, cert)) return 0;
-	CRYPTO_add(&cert->references, 1, CRYPTO_LOCK_X509);
-	return 1;
-	}
-
-/* Sign an OCSP request set the requestorName to the subjec
- * name of an optional signers certificate and include one
- * or more optional certificates in the request. Behaves
- * like PKCS7_sign().
- */
-
-int OCSP_request_sign(OCSP_REQUEST   *req,
-		      X509           *signer,
-		      EVP_PKEY       *key,
-		      const EVP_MD   *dgst,
-		      STACK_OF(X509) *certs,
-		      unsigned long flags)
-        {
-	int i;
-	OCSP_SIGNATURE *sig;
-	X509 *x;
-
-	if (!OCSP_request_set1_name(req, X509_get_subject_name(signer)))
-			goto err;
-
-	if (!(req->optionalSignature = sig = OCSP_SIGNATURE_new())) goto err;
-	if (key)
-		{
-		if (!X509_check_private_key(signer, key))
-			{
-			OCSPerr(OCSP_F_OCSP_REQUEST_SIGN, OCSP_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE);
-			goto err;
-			}
-		if (!OCSP_REQUEST_sign(req, key, dgst)) goto err;
-		}
-
-	if (!(flags & OCSP_NOCERTS))
-		{
-		if(!OCSP_request_add1_cert(req, signer)) goto err;
-		for (i = 0; i < sk_X509_num(certs); i++)
-			{
-			x = sk_X509_value(certs, i);
-			if (!OCSP_request_add1_cert(req, x)) goto err;
-			}
-		}
-
-	return 1;
-err:
-	OCSP_SIGNATURE_free(req->optionalSignature);
-	req->optionalSignature = NULL;
-	return 0;
-	}
-
-/* Get response status */
-
-int OCSP_response_status(OCSP_RESPONSE *resp)
-	{
-	return ASN1_ENUMERATED_get(resp->responseStatus);
-	}
-
-/* Extract basic response from OCSP_RESPONSE or NULL if
- * no basic response present.
- */
- 
-
-OCSP_BASICRESP *OCSP_response_get1_basic(OCSP_RESPONSE *resp)
-	{
-	OCSP_RESPBYTES *rb;
-	rb = resp->responseBytes;
-	if (!rb)
-		{
-		OCSPerr(OCSP_F_OCSP_RESPONSE_GET1_BASIC, OCSP_R_NO_RESPONSE_DATA);
-		return NULL;
-		}
-	if (OBJ_obj2nid(rb->responseType) != NID_id_pkix_OCSP_basic)
-		{
-		OCSPerr(OCSP_F_OCSP_RESPONSE_GET1_BASIC, OCSP_R_NOT_BASIC_RESPONSE);
-		return NULL;
-		}
-
-	return ASN1_item_unpack(rb->response, ASN1_ITEM_rptr(OCSP_BASICRESP));
-	}
-
-/* Return number of OCSP_SINGLERESP reponses present in
- * a basic response.
- */
-
-int OCSP_resp_count(OCSP_BASICRESP *bs)
-	{
-	if (!bs) return -1;
-	return sk_OCSP_SINGLERESP_num(bs->tbsResponseData->responses);
-	}
-
-/* Extract an OCSP_SINGLERESP response with a given index */
-
-OCSP_SINGLERESP *OCSP_resp_get0(OCSP_BASICRESP *bs, int idx)
-	{
-	if (!bs) return NULL;
-	return sk_OCSP_SINGLERESP_value(bs->tbsResponseData->responses, idx);
-	}
-
-/* Look single response matching a given certificate ID */
-
-int OCSP_resp_find(OCSP_BASICRESP *bs, OCSP_CERTID *id, int last)
-	{
-	int i;
-	STACK_OF(OCSP_SINGLERESP) *sresp;
-	OCSP_SINGLERESP *single;
-	if (!bs) return -1;
-	if (last < 0) last = 0;
-	else last++;
-	sresp = bs->tbsResponseData->responses;
-	for (i = last; i < sk_OCSP_SINGLERESP_num(sresp); i++)
-		{
-		single = sk_OCSP_SINGLERESP_value(sresp, i);
-		if (!OCSP_id_cmp(id, single->certId)) return i;
-		}
-	return -1;
-	}
-
-/* Extract status information from an OCSP_SINGLERESP structure.
- * Note: the revtime and reason values are only set if the 
- * certificate status is revoked. Returns numerical value of
- * status.
- */
-
-int OCSP_single_get0_status(OCSP_SINGLERESP *single, int *reason,
-				ASN1_GENERALIZEDTIME **revtime,
-				ASN1_GENERALIZEDTIME **thisupd,
-				ASN1_GENERALIZEDTIME **nextupd)
-	{
-	int ret;
-	OCSP_CERTSTATUS *cst;
-	if(!single) return -1;
-	cst = single->certStatus;
-	ret = cst->type;
-	if (ret == V_OCSP_CERTSTATUS_REVOKED)
-		{
-		OCSP_REVOKEDINFO *rev = cst->value.revoked;
-		if (revtime) *revtime = rev->revocationTime;
-		if (reason) 
-			{
-			if(rev->revocationReason)
-				*reason = ASN1_ENUMERATED_get(rev->revocationReason);
-			else *reason = -1;
-			}
-		}
-	if(thisupd) *thisupd = single->thisUpdate;
-	if(nextupd) *nextupd = single->nextUpdate;
-	return ret;
-	}
-
-/* This function combines the previous ones: look up a certificate ID and
- * if found extract status information. Return 0 is successful.
- */
-
-int OCSP_resp_find_status(OCSP_BASICRESP *bs, OCSP_CERTID *id, int *status,
-				int *reason,
-				ASN1_GENERALIZEDTIME **revtime,
-				ASN1_GENERALIZEDTIME **thisupd,
-				ASN1_GENERALIZEDTIME **nextupd)
-	{
-	int i;
-	OCSP_SINGLERESP *single;
-	i = OCSP_resp_find(bs, id, -1);
-	/* Maybe check for multiple responses and give an error? */
-	if(i < 0) return 0;
-	single = OCSP_resp_get0(bs, i);
-	i = OCSP_single_get0_status(single, reason, revtime, thisupd, nextupd);
-	if(status) *status = i;
-	return 1;
-	}
-
-/* Check validity of thisUpdate and nextUpdate fields. It is possible that the request will
- * take a few seconds to process and/or the time wont be totally accurate. Therefore to avoid
- * rejecting otherwise valid time we allow the times to be within 'nsec' of the current time.
- * Also to avoid accepting very old responses without a nextUpdate field an optional maxage
- * parameter specifies the maximum age the thisUpdate field can be.
- */
-
-int OCSP_check_validity(ASN1_GENERALIZEDTIME *thisupd, ASN1_GENERALIZEDTIME *nextupd, long nsec, long maxsec)
-	{
-	int ret = 1;
-	time_t t_now, t_tmp;
-	time(&t_now);
-	/* Check thisUpdate is valid and not more than nsec in the future */
-	if (!ASN1_GENERALIZEDTIME_check(thisupd))
-		{
-		OCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_ERROR_IN_THISUPDATE_FIELD);
-		ret = 0;
-		}
-	else 
-		{
-			t_tmp = t_now + nsec;
-			if (X509_cmp_time(thisupd, &t_tmp) > 0)
-			{
-			OCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_STATUS_NOT_YET_VALID);
-			ret = 0;
-			}
-
-		/* If maxsec specified check thisUpdate is not more than maxsec in the past */
-		if (maxsec >= 0)
-			{
-			t_tmp = t_now - maxsec;
-			if (X509_cmp_time(thisupd, &t_tmp) < 0)
-				{
-				OCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_STATUS_TOO_OLD);
-				ret = 0;
-				}
-			}
-		}
-		
-
-	if (!nextupd) return ret;
-
-	/* Check nextUpdate is valid and not more than nsec in the past */
-	if (!ASN1_GENERALIZEDTIME_check(nextupd))
-		{
-		OCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_ERROR_IN_NEXTUPDATE_FIELD);
-		ret = 0;
-		}
-	else 
-		{
-		t_tmp = t_now - nsec;
-		if (X509_cmp_time(nextupd, &t_tmp) < 0)
-			{
-			OCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_STATUS_EXPIRED);
-			ret = 0;
-			}
-		}
-
-	/* Also don't allow nextUpdate to precede thisUpdate */
-	if (ASN1_STRING_cmp(nextupd, thisupd) < 0)
-		{
-		OCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_NEXTUPDATE_BEFORE_THISUPDATE);
-		ret = 0;
-		}
-
-	return ret;
-	}