Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/ocsp/ocsp_ext.c

Index: openssl/crypto/ocsp/ocsp_ext.c
diff --git a/openssl/crypto/ocsp/ocsp_ext.c b/openssl/crypto/ocsp/ocsp_ext.c
deleted file mode 100644
index ec884cb08f4429f0fc4eeb6a4f32a5350e2d5585..0000000000000000000000000000000000000000
--- a/openssl/crypto/ocsp/ocsp_ext.c
+++ /dev/null
@@ -1,518 +0,0 @@
-/* ocsp_ext.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 <cryptlib.h>
-#include <openssl/objects.h>
-#include <openssl/x509.h>
-#include <openssl/ocsp.h>
-#include <openssl/rand.h>
-#include <openssl/x509v3.h>
-
-/* Standard wrapper functions for extensions */
-
-/* OCSP request extensions */
-
-int OCSP_REQUEST_get_ext_count(OCSP_REQUEST *x)
-	{
-	return(X509v3_get_ext_count(x->tbsRequest->requestExtensions));
-	}
-
-int OCSP_REQUEST_get_ext_by_NID(OCSP_REQUEST *x, int nid, int lastpos)
-	{
-	return(X509v3_get_ext_by_NID(x->tbsRequest->requestExtensions,nid,lastpos));
-	}
-
-int OCSP_REQUEST_get_ext_by_OBJ(OCSP_REQUEST *x, ASN1_OBJECT *obj, int lastpos)
-	{
-	return(X509v3_get_ext_by_OBJ(x->tbsRequest->requestExtensions,obj,lastpos));
-	}
-
-int OCSP_REQUEST_get_ext_by_critical(OCSP_REQUEST *x, int crit, int lastpos)
-	{
-	return(X509v3_get_ext_by_critical(x->tbsRequest->requestExtensions,crit,lastpos));
-	}
-
-X509_EXTENSION *OCSP_REQUEST_get_ext(OCSP_REQUEST *x, int loc)
-	{
-	return(X509v3_get_ext(x->tbsRequest->requestExtensions,loc));
-	}
-
-X509_EXTENSION *OCSP_REQUEST_delete_ext(OCSP_REQUEST *x, int loc)
-	{
-	return(X509v3_delete_ext(x->tbsRequest->requestExtensions,loc));
-	}
-
-void *OCSP_REQUEST_get1_ext_d2i(OCSP_REQUEST *x, int nid, int *crit, int *idx)
-	{
-	return X509V3_get_d2i(x->tbsRequest->requestExtensions, nid, crit, idx);
-	}
-
-int OCSP_REQUEST_add1_ext_i2d(OCSP_REQUEST *x, int nid, void *value, int crit,
-							unsigned long flags)
-	{
-	return X509V3_add1_i2d(&x->tbsRequest->requestExtensions, nid, value, crit, flags);
-	}
-
-int OCSP_REQUEST_add_ext(OCSP_REQUEST *x, X509_EXTENSION *ex, int loc)
-	{
-	return(X509v3_add_ext(&(x->tbsRequest->requestExtensions),ex,loc) != NULL);
-	}
-
-/* Single extensions */
-
-int OCSP_ONEREQ_get_ext_count(OCSP_ONEREQ *x)
-	{
-	return(X509v3_get_ext_count(x->singleRequestExtensions));
-	}
-
-int OCSP_ONEREQ_get_ext_by_NID(OCSP_ONEREQ *x, int nid, int lastpos)
-	{
-	return(X509v3_get_ext_by_NID(x->singleRequestExtensions,nid,lastpos));
-	}
-
-int OCSP_ONEREQ_get_ext_by_OBJ(OCSP_ONEREQ *x, ASN1_OBJECT *obj, int lastpos)
-	{
-	return(X509v3_get_ext_by_OBJ(x->singleRequestExtensions,obj,lastpos));
-	}
-
-int OCSP_ONEREQ_get_ext_by_critical(OCSP_ONEREQ *x, int crit, int lastpos)
-	{
-	return(X509v3_get_ext_by_critical(x->singleRequestExtensions,crit,lastpos));
-	}
-
-X509_EXTENSION *OCSP_ONEREQ_get_ext(OCSP_ONEREQ *x, int loc)
-	{
-	return(X509v3_get_ext(x->singleRequestExtensions,loc));
-	}
-
-X509_EXTENSION *OCSP_ONEREQ_delete_ext(OCSP_ONEREQ *x, int loc)
-	{
-	return(X509v3_delete_ext(x->singleRequestExtensions,loc));
-	}
-
-void *OCSP_ONEREQ_get1_ext_d2i(OCSP_ONEREQ *x, int nid, int *crit, int *idx)
-	{
-	return X509V3_get_d2i(x->singleRequestExtensions, nid, crit, idx);
-	}
-
-int OCSP_ONEREQ_add1_ext_i2d(OCSP_ONEREQ *x, int nid, void *value, int crit,
-							unsigned long flags)
-	{
-	return X509V3_add1_i2d(&x->singleRequestExtensions, nid, value, crit, flags);
-	}
-
-int OCSP_ONEREQ_add_ext(OCSP_ONEREQ *x, X509_EXTENSION *ex, int loc)
-	{
-	return(X509v3_add_ext(&(x->singleRequestExtensions),ex,loc) != NULL);
-	}
-
-/* OCSP Basic response */
-
-int OCSP_BASICRESP_get_ext_count(OCSP_BASICRESP *x)
-	{
-	return(X509v3_get_ext_count(x->tbsResponseData->responseExtensions));
-	}
-
-int OCSP_BASICRESP_get_ext_by_NID(OCSP_BASICRESP *x, int nid, int lastpos)
-	{
-	return(X509v3_get_ext_by_NID(x->tbsResponseData->responseExtensions,nid,lastpos));
-	}
-
-int OCSP_BASICRESP_get_ext_by_OBJ(OCSP_BASICRESP *x, ASN1_OBJECT *obj, int lastpos)
-	{
-	return(X509v3_get_ext_by_OBJ(x->tbsResponseData->responseExtensions,obj,lastpos));
-	}
-
-int OCSP_BASICRESP_get_ext_by_critical(OCSP_BASICRESP *x, int crit, int lastpos)
-	{
-	return(X509v3_get_ext_by_critical(x->tbsResponseData->responseExtensions,crit,lastpos));
-	}
-
-X509_EXTENSION *OCSP_BASICRESP_get_ext(OCSP_BASICRESP *x, int loc)
-	{
-	return(X509v3_get_ext(x->tbsResponseData->responseExtensions,loc));
-	}
-
-X509_EXTENSION *OCSP_BASICRESP_delete_ext(OCSP_BASICRESP *x, int loc)
-	{
-	return(X509v3_delete_ext(x->tbsResponseData->responseExtensions,loc));
-	}
-
-void *OCSP_BASICRESP_get1_ext_d2i(OCSP_BASICRESP *x, int nid, int *crit, int *idx)
-	{
-	return X509V3_get_d2i(x->tbsResponseData->responseExtensions, nid, crit, idx);
-	}
-
-int OCSP_BASICRESP_add1_ext_i2d(OCSP_BASICRESP *x, int nid, void *value, int crit,
-							unsigned long flags)
-	{
-	return X509V3_add1_i2d(&x->tbsResponseData->responseExtensions, nid, value, crit, flags);
-	}
-
-int OCSP_BASICRESP_add_ext(OCSP_BASICRESP *x, X509_EXTENSION *ex, int loc)
-	{
-	return(X509v3_add_ext(&(x->tbsResponseData->responseExtensions),ex,loc) != NULL);
-	}
-
-/* OCSP single response extensions */
-
-int OCSP_SINGLERESP_get_ext_count(OCSP_SINGLERESP *x)
-	{
-	return(X509v3_get_ext_count(x->singleExtensions));
-	}
-
-int OCSP_SINGLERESP_get_ext_by_NID(OCSP_SINGLERESP *x, int nid, int lastpos)
-	{
-	return(X509v3_get_ext_by_NID(x->singleExtensions,nid,lastpos));
-	}
-
-int OCSP_SINGLERESP_get_ext_by_OBJ(OCSP_SINGLERESP *x, ASN1_OBJECT *obj, int lastpos)
-	{
-	return(X509v3_get_ext_by_OBJ(x->singleExtensions,obj,lastpos));
-	}
-
-int OCSP_SINGLERESP_get_ext_by_critical(OCSP_SINGLERESP *x, int crit, int lastpos)
-	{
-	return(X509v3_get_ext_by_critical(x->singleExtensions,crit,lastpos));
-	}
-
-X509_EXTENSION *OCSP_SINGLERESP_get_ext(OCSP_SINGLERESP *x, int loc)
-	{
-	return(X509v3_get_ext(x->singleExtensions,loc));
-	}
-
-X509_EXTENSION *OCSP_SINGLERESP_delete_ext(OCSP_SINGLERESP *x, int loc)
-	{
-	return(X509v3_delete_ext(x->singleExtensions,loc));
-	}
-
-void *OCSP_SINGLERESP_get1_ext_d2i(OCSP_SINGLERESP *x, int nid, int *crit, int *idx)
-	{
-	return X509V3_get_d2i(x->singleExtensions, nid, crit, idx);
-	}
-
-int OCSP_SINGLERESP_add1_ext_i2d(OCSP_SINGLERESP *x, int nid, void *value, int crit,
-							unsigned long flags)
-	{
-	return X509V3_add1_i2d(&x->singleExtensions, nid, value, crit, flags);
-	}
-
-int OCSP_SINGLERESP_add_ext(OCSP_SINGLERESP *x, X509_EXTENSION *ex, int loc)
-	{
-	return(X509v3_add_ext(&(x->singleExtensions),ex,loc) != NULL);
-	}
-
-/* also CRL Entry Extensions */
-#if 0
-ASN1_STRING *ASN1_STRING_encode(ASN1_STRING *s, i2d_of_void *i2d,
-				void *data, STACK_OF(ASN1_OBJECT) *sk)
-        {
-	int i;
-	unsigned char *p, *b = NULL;
-
-	if (data)
-	        {
-		if ((i=i2d(data,NULL)) <= 0) goto err;
-		if (!(b=p=OPENSSL_malloc((unsigned int)i)))
-			goto err;
-	        if (i2d(data, &p) <= 0) goto err;
-		}
-	else if (sk)
-	        {
-		if ((i=i2d_ASN1_SET_OF_ASN1_OBJECT(sk,NULL,
-						   (I2D_OF(ASN1_OBJECT))i2d,
-						   V_ASN1_SEQUENCE,
-						   V_ASN1_UNIVERSAL,
-						   IS_SEQUENCE))<=0) goto err;
-		if (!(b=p=OPENSSL_malloc((unsigned int)i)))
-			goto err;
-		if (i2d_ASN1_SET_OF_ASN1_OBJECT(sk,&p,(I2D_OF(ASN1_OBJECT))i2d,
-						V_ASN1_SEQUENCE,
-						V_ASN1_UNIVERSAL,
-						IS_SEQUENCE)<=0) goto err;
-		}
-	else
-		{
-		OCSPerr(OCSP_F_ASN1_STRING_ENCODE,OCSP_R_BAD_DATA);
-		goto err;
-		}
-	if (!s && !(s = ASN1_STRING_new())) goto err;
-	if (!(ASN1_STRING_set(s, b, i))) goto err;
-	OPENSSL_free(b);
-	return s;
-err:
-	if (b) OPENSSL_free(b);
-	return NULL;
-	}
-#endif
-
-/* Nonce handling functions */
-
-/* Add a nonce to an extension stack. A nonce can be specificed or if NULL
- * a random nonce will be generated.
- * Note: OpenSSL 0.9.7d and later create an OCTET STRING containing the 
- * nonce, previous versions used the raw nonce.
- */
-
-static int ocsp_add1_nonce(STACK_OF(X509_EXTENSION) **exts, unsigned char *val, int len)
-	{
-	unsigned char *tmpval;
-	ASN1_OCTET_STRING os;
-	int ret = 0;
-	if (len <= 0) len = OCSP_DEFAULT_NONCE_LENGTH;
-	/* Create the OCTET STRING manually by writing out the header and
-	 * appending the content octets. This avoids an extra memory allocation
-	 * operation in some cases. Applications should *NOT* do this because
-         * it relies on library internals.
-	 */
-	os.length = ASN1_object_size(0, len, V_ASN1_OCTET_STRING);
-	os.data = OPENSSL_malloc(os.length);
-	if (os.data == NULL)
-		goto err;
-	tmpval = os.data;
-	ASN1_put_object(&tmpval, 0, len, V_ASN1_OCTET_STRING, V_ASN1_UNIVERSAL);
-	if (val)
-		memcpy(tmpval, val, len);
-	else
-		RAND_pseudo_bytes(tmpval, len);
-	if(!X509V3_add1_i2d(exts, NID_id_pkix_OCSP_Nonce,
-			&os, 0, X509V3_ADD_REPLACE))
-				goto err;
-	ret = 1;
-	err:
-	if (os.data)
-		OPENSSL_free(os.data);
-	return ret;
-	}
-
-
-/* Add nonce to an OCSP request */
-
-int OCSP_request_add1_nonce(OCSP_REQUEST *req, unsigned char *val, int len)
-	{
-	return ocsp_add1_nonce(&req->tbsRequest->requestExtensions, val, len);
-	}
-
-/* Same as above but for a response */
-
-int OCSP_basic_add1_nonce(OCSP_BASICRESP *resp, unsigned char *val, int len)
-	{
-	return ocsp_add1_nonce(&resp->tbsResponseData->responseExtensions, val, len);
-	}
-
-/* Check nonce validity in a request and response.
- * Return value reflects result:
- *  1: nonces present and equal.
- *  2: nonces both absent.
- *  3: nonce present in response only.
- *  0: nonces both present and not equal.
- * -1: nonce in request only.
- *
- *  For most responders clients can check return > 0.
- *  If responder doesn't handle nonces return != 0 may be
- *  necessary. return == 0 is always an error.
- */
-
-int OCSP_check_nonce(OCSP_REQUEST *req, OCSP_BASICRESP *bs)
-	{
-	/*
-	 * Since we are only interested in the presence or absence of
-	 * the nonce and comparing its value there is no need to use
-	 * the X509V3 routines: this way we can avoid them allocating an
-	 * ASN1_OCTET_STRING structure for the value which would be
-	 * freed immediately anyway.
-	 */
-
-	int req_idx, resp_idx;
-	X509_EXTENSION *req_ext, *resp_ext;
-	req_idx = OCSP_REQUEST_get_ext_by_NID(req, NID_id_pkix_OCSP_Nonce, -1);
-	resp_idx = OCSP_BASICRESP_get_ext_by_NID(bs, NID_id_pkix_OCSP_Nonce, -1);
-	/* Check both absent */
-	if((req_idx < 0) && (resp_idx < 0))
-		return 2;
-	/* Check in request only */
-	if((req_idx >= 0) && (resp_idx < 0))
-		return -1;
-	/* Check in response but not request */
-	if((req_idx < 0) && (resp_idx >= 0))
-		return 3;
-	/* Otherwise nonce in request and response so retrieve the extensions */
-	req_ext = OCSP_REQUEST_get_ext(req, req_idx);
-	resp_ext = OCSP_BASICRESP_get_ext(bs, resp_idx);
-	if(ASN1_OCTET_STRING_cmp(req_ext->value, resp_ext->value))
-		return 0;
-	return 1;
-	}
-
-/* Copy the nonce value (if any) from an OCSP request to 
- * a response.
- */
-
-int OCSP_copy_nonce(OCSP_BASICRESP *resp, OCSP_REQUEST *req)
-	{
-	X509_EXTENSION *req_ext;
-	int req_idx;
-	/* Check for nonce in request */
-	req_idx = OCSP_REQUEST_get_ext_by_NID(req, NID_id_pkix_OCSP_Nonce, -1);
-	/* If no nonce that's OK */
-	if (req_idx < 0) return 2;
-	req_ext = OCSP_REQUEST_get_ext(req, req_idx);
-	return OCSP_BASICRESP_add_ext(resp, req_ext, -1);
-	}
-
-X509_EXTENSION *OCSP_crlID_new(char *url, long *n, char *tim)
-        {
-	X509_EXTENSION *x = NULL;
-	OCSP_CRLID *cid = NULL;
-	
-	if (!(cid = OCSP_CRLID_new())) goto err;
-	if (url)
-	        {
-		if (!(cid->crlUrl = ASN1_IA5STRING_new())) goto err;
-		if (!(ASN1_STRING_set(cid->crlUrl, url, -1))) goto err;
-		}
-	if (n)
-	        {
-		if (!(cid->crlNum = ASN1_INTEGER_new())) goto err;
-		if (!(ASN1_INTEGER_set(cid->crlNum, *n))) goto err;
-		}
-	if (tim)
-	        {
-		if (!(cid->crlTime = ASN1_GENERALIZEDTIME_new())) goto err;
-		if (!(ASN1_GENERALIZEDTIME_set_string(cid->crlTime, tim))) 
-		        goto err;
-		}
-	x = X509V3_EXT_i2d(NID_id_pkix_OCSP_CrlID, 0, cid);
-err:
-	if (cid) OCSP_CRLID_free(cid);
-	return x;
-	}
-
-/*   AcceptableResponses ::= SEQUENCE OF OBJECT IDENTIFIER */
-X509_EXTENSION *OCSP_accept_responses_new(char **oids)
-        {
-	int nid;
-	STACK_OF(ASN1_OBJECT) *sk = NULL;
-	ASN1_OBJECT *o = NULL;
-        X509_EXTENSION *x = NULL;
-
-	if (!(sk = sk_ASN1_OBJECT_new_null())) goto err;
-	while (oids && *oids)
-	        {
-		if ((nid=OBJ_txt2nid(*oids))!=NID_undef&&(o=OBJ_nid2obj(nid))) 
-		        sk_ASN1_OBJECT_push(sk, o);
-		oids++;
-		}
-	x = X509V3_EXT_i2d(NID_id_pkix_OCSP_acceptableResponses, 0, sk);
-err:
-	if (sk) sk_ASN1_OBJECT_pop_free(sk, ASN1_OBJECT_free);
-	return x;
-        }
-
-/*  ArchiveCutoff ::= GeneralizedTime */
-X509_EXTENSION *OCSP_archive_cutoff_new(char* tim)
-        {
-	X509_EXTENSION *x=NULL;
-	ASN1_GENERALIZEDTIME *gt = NULL;
-
-	if (!(gt = ASN1_GENERALIZEDTIME_new())) goto err;
-	if (!(ASN1_GENERALIZEDTIME_set_string(gt, tim))) goto err;
-	x = X509V3_EXT_i2d(NID_id_pkix_OCSP_archiveCutoff, 0, gt);
-err:
-	if (gt) ASN1_GENERALIZEDTIME_free(gt);
-	return x;
-	}
-
-/* per ACCESS_DESCRIPTION parameter are oids, of which there are currently
- * two--NID_ad_ocsp, NID_id_ad_caIssuers--and GeneralName value.  This
- * method forces NID_ad_ocsp and uniformResourceLocator [6] IA5String.
- */
-X509_EXTENSION *OCSP_url_svcloc_new(X509_NAME* issuer, char **urls)
-        {
-	X509_EXTENSION *x = NULL;
-	ASN1_IA5STRING *ia5 = NULL;
-	OCSP_SERVICELOC *sloc = NULL;
-	ACCESS_DESCRIPTION *ad = NULL;
-	
-	if (!(sloc = OCSP_SERVICELOC_new())) goto err;
-	if (!(sloc->issuer = X509_NAME_dup(issuer))) goto err;
-	if (urls && *urls && !(sloc->locator = sk_ACCESS_DESCRIPTION_new_null())) goto err;
-	while (urls && *urls)
-	        {
-		if (!(ad = ACCESS_DESCRIPTION_new())) goto err;
-		if (!(ad->method=OBJ_nid2obj(NID_ad_OCSP))) goto err;
-		if (!(ad->location = GENERAL_NAME_new())) goto err;
-	        if (!(ia5 = ASN1_IA5STRING_new())) goto err;
-		if (!ASN1_STRING_set((ASN1_STRING*)ia5, *urls, -1)) goto err;
-		ad->location->type = GEN_URI;
-		ad->location->d.ia5 = ia5;
-		if (!sk_ACCESS_DESCRIPTION_push(sloc->locator, ad)) goto err;
-		urls++;
-		}
-	x = X509V3_EXT_i2d(NID_id_pkix_OCSP_serviceLocator, 0, sloc);
-err:
-	if (sloc) OCSP_SERVICELOC_free(sloc);
-	return x;
-	}
-