--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ssl/libcrypto/src/crypto/ocsp/ocsp_lib.c	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,262 @@
+/* ocsp_lib.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/rand.h>
+#include <openssl/x509.h>
+#include <openssl/pem.h>
+#include <openssl/x509v3.h>
+#include <openssl/ocsp.h>
+
+/* Convert a certificate and its issuer to an OCSP_CERTID */
+
+EXPORT_C OCSP_CERTID *OCSP_cert_to_id(const EVP_MD *dgst, X509 *subject, X509 *issuer)
+{
+	X509_NAME *iname;
+	ASN1_INTEGER *serial;
+	ASN1_BIT_STRING *ikey;
+#ifndef OPENSSL_NO_SHA1
+	if(!dgst) dgst = EVP_sha1();
+#endif
+	if (subject)
+		{
+		iname = X509_get_issuer_name(subject);
+		serial = X509_get_serialNumber(subject);
+		}
+	else
+		{
+		iname = X509_get_subject_name(issuer);
+		serial = NULL;
+		}
+	ikey = X509_get0_pubkey_bitstr(issuer);
+	return OCSP_cert_id_new(dgst, iname, ikey, serial);
+}
+
+
+EXPORT_C OCSP_CERTID *OCSP_cert_id_new(const EVP_MD *dgst, 
+			      X509_NAME *issuerName, 
+			      ASN1_BIT_STRING* issuerKey, 
+			      ASN1_INTEGER *serialNumber)
+        {
+	int nid;
+        unsigned int i;
+	X509_ALGOR *alg;
+	OCSP_CERTID *cid = NULL;
+	unsigned char md[EVP_MAX_MD_SIZE];
+
+	if (!(cid = OCSP_CERTID_new())) goto err;
+
+	alg = cid->hashAlgorithm;
+	if (alg->algorithm != NULL) ASN1_OBJECT_free(alg->algorithm);
+	if ((nid = EVP_MD_type(dgst)) == NID_undef)
+	        {
+		OCSPerr(OCSP_F_OCSP_CERT_ID_NEW,OCSP_R_UNKNOWN_NID);
+		goto err;
+		}
+	if (!(alg->algorithm=OBJ_nid2obj(nid))) goto err;
+	if ((alg->parameter=ASN1_TYPE_new()) == NULL) goto err;
+	alg->parameter->type=V_ASN1_NULL;
+
+	if (!X509_NAME_digest(issuerName, dgst, md, &i)) goto digerr;
+	if (!(ASN1_OCTET_STRING_set(cid->issuerNameHash, md, i))) goto err;
+
+	/* Calculate the issuerKey hash, excluding tag and length */
+	EVP_Digest(issuerKey->data, issuerKey->length, md, &i, dgst, NULL);
+
+	if (!(ASN1_OCTET_STRING_set(cid->issuerKeyHash, md, i))) goto err;
+
+	if (serialNumber)
+		{
+		ASN1_INTEGER_free(cid->serialNumber);
+		if (!(cid->serialNumber = ASN1_INTEGER_dup(serialNumber))) goto err;
+		}
+	return cid;
+digerr:
+	OCSPerr(OCSP_F_OCSP_CERT_ID_NEW,OCSP_R_DIGEST_ERR);
+err:
+	if (cid) OCSP_CERTID_free(cid);
+	return NULL;
+	}
+
+EXPORT_C int OCSP_id_issuer_cmp(OCSP_CERTID *a, OCSP_CERTID *b)
+	{
+	int ret;
+	ret = OBJ_cmp(a->hashAlgorithm->algorithm, b->hashAlgorithm->algorithm);
+	if (ret) return ret;
+	ret = ASN1_OCTET_STRING_cmp(a->issuerNameHash, b->issuerNameHash);
+	if (ret) return ret;
+	return ASN1_OCTET_STRING_cmp(a->issuerKeyHash, b->issuerKeyHash);
+	}
+
+EXPORT_C int OCSP_id_cmp(OCSP_CERTID *a, OCSP_CERTID *b)
+	{
+	int ret;
+	ret = OCSP_id_issuer_cmp(a, b);
+	if (ret) return ret;
+	return ASN1_INTEGER_cmp(a->serialNumber, b->serialNumber);
+	}
+
+
+/* Parse a URL and split it up into host, port and path components and whether
+ * it is SSL.
+ */
+
+EXPORT_C int OCSP_parse_url(char *url, char **phost, char **pport, char **ppath, int *pssl)
+	{
+	char *p, *buf;
+
+	char *host, *port;
+
+	/* dup the buffer since we are going to mess with it */
+	buf = BUF_strdup(url);
+	if (!buf) goto mem_err;
+
+	*phost = NULL;
+	*pport = NULL;
+	*ppath = NULL;
+
+	/* Check for initial colon */
+	p = strchr(buf, ':');
+
+	if (!p) goto parse_err;
+
+	*(p++) = '\0';
+
+	if (!strcmp(buf, "http"))
+		{
+		*pssl = 0;
+		port = "80";
+		}
+	else if (!strcmp(buf, "https"))
+		{
+		*pssl = 1;
+		port = "443";
+		}
+	else
+		goto parse_err;
+
+	/* Check for double slash */
+	if ((p[0] != '/') || (p[1] != '/'))
+		goto parse_err;
+
+	p += 2;
+
+	host = p;
+
+	/* Check for trailing part of path */
+
+	p = strchr(p, '/');
+
+	if (!p) 
+		*ppath = BUF_strdup("/");
+	else
+		{
+		*ppath = BUF_strdup(p);
+		/* Set start of path to 0 so hostname is valid */
+		*p = '\0';
+		}
+
+	if (!*ppath) goto mem_err;
+
+	/* Look for optional ':' for port number */
+	if ((p = strchr(host, ':')))
+		{
+		*p = 0;
+		port = p + 1;
+		}
+	else
+		{
+		/* Not found: set default port */
+		if (*pssl) port = "443";
+		else port = "80";
+		}
+
+	*pport = BUF_strdup(port);
+	if (!*pport) goto mem_err;
+
+	*phost = BUF_strdup(host);
+
+	if (!*phost) goto mem_err;
+
+	OPENSSL_free(buf);
+
+	return 1;
+
+	mem_err:
+	OCSPerr(OCSP_F_OCSP_PARSE_URL, ERR_R_MALLOC_FAILURE);
+	goto err;
+
+	parse_err:
+	OCSPerr(OCSP_F_OCSP_PARSE_URL, OCSP_R_ERROR_PARSING_URL);
+
+
+	err:
+	if (buf) OPENSSL_free(buf);
+	if (*ppath) OPENSSL_free(*ppath);
+	if (*pport) OPENSSL_free(*pport);
+	if (*phost) OPENSSL_free(*phost);
+	return 0;
+
+	}