X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=apps%2Focsp.c;h=64c31826f3a97414e19ed13b102fd402dd01f9c3;hp=bea16ebb711763f7fbe162abeebfb4663e575d2f;hb=5219d3dd350cc74498dd49daef5e6ee8c34d9857;hpb=e8af92fcb1c3ae1b19e697d58b2dace46ca08aa7

diff --git a/apps/ocsp.c b/apps/ocsp.c
index bea16ebb71..64c31826f3 100644
--- a/apps/ocsp.c
+++ b/apps/ocsp.c
@@ -1,5 +1,5 @@
 /* ocsp.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project 2000.
  */
 /* ====================================================================
@@ -55,16 +55,67 @@
  * Hudson (tjh@cryptsoft.com).
  *
  */
+#ifndef OPENSSL_NO_OCSP
+
+#ifdef OPENSSL_SYS_VMS
+#define _XOPEN_SOURCE_EXTENDED	/* So fd_set and friends get properly defined
+				   on OpenVMS */
+#endif
+
+#define USE_SOCKETS
 
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
-#include <openssl/pem.h>
-#include <openssl/ocsp.h>
+#include <time.h>
+#include "apps.h" /* needs to be included before the openssl headers! */
+#include <openssl/e_os2.h>
+#include <openssl/crypto.h>
 #include <openssl/err.h>
-#include "apps.h"
+#include <openssl/ssl.h>
+#include <openssl/evp.h>
+#include <openssl/bn.h>
+#include <openssl/x509v3.h>
+
+#if defined(NETWARE_CLIB)
+#  ifdef NETWARE_BSDSOCK
+#    include <sys/socket.h>
+#    include <sys/bsdskt.h>
+#  else
+#    include <novsock2.h>
+#  endif
+#elif defined(NETWARE_LIBC)
+#  ifdef NETWARE_BSDSOCK
+#    include <sys/select.h>
+#  else
+#    include <novsock2.h>
+#  endif
+#endif
+  
+/* Maximum leeway in validity period: default 5 minutes */
+#define MAX_VALIDITY_PERIOD	(5 * 60)
 
-static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, X509 *issuer);
-static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, X509 *issuer);
+static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, const EVP_MD *cert_id_md, X509 *issuer,
+				STACK_OF(OCSP_CERTID) *ids);
+static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, const EVP_MD * cert_id_md, X509 *issuer,
+				STACK_OF(OCSP_CERTID) *ids);
+static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
+			      STACK_OF(OPENSSL_STRING) *names,
+			      STACK_OF(OCSP_CERTID) *ids, long nsec,
+			      long maxage);
+
+static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, CA_DB *db,
+			X509 *ca, X509 *rcert, EVP_PKEY *rkey, const EVP_MD *md,
+			STACK_OF(X509) *rother, unsigned long flags,
+			int nmin, int ndays, int badsig);
+
+static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser);
+static BIO *init_responder(const char *port);
+static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, const char *port);
+static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp);
+static OCSP_RESPONSE *query_responder(BIO *err, BIO *cbio, const char *path,
+				      const STACK_OF(CONF_VALUE) *headers,
+				      OCSP_REQUEST *req, int req_timeout);
 
 #undef PROG
 #define PROG ocsp_main
@@ -73,30 +124,60 @@ int MAIN(int, char **);
 
 int MAIN(int argc, char **argv)
 	{
+	ENGINE *e = NULL;
 	char **args;
-	char *host = NULL, *path = "/";
+	char *host = NULL, *port = NULL, *path = "/";
+	char *thost = NULL, *tport = NULL, *tpath = NULL;
 	char *reqin = NULL, *respin = NULL;
 	char *reqout = NULL, *respout = NULL;
 	char *signfile = NULL, *keyfile = NULL;
+	char *rsignfile = NULL, *rkeyfile = NULL;
 	char *outfile = NULL;
-	int add_nonce = 1;
+	int add_nonce = 1, noverify = 0, use_ssl = -1;
+	STACK_OF(CONF_VALUE) *headers = NULL;
 	OCSP_REQUEST *req = NULL;
 	OCSP_RESPONSE *resp = NULL;
 	OCSP_BASICRESP *bs = NULL;
 	X509 *issuer = NULL, *cert = NULL;
-	X509 *signer = NULL;
-	EVP_PKEY *key = NULL;
-	BIO *cbio = NULL, *derbio = NULL;
+	X509 *signer = NULL, *rsigner = NULL;
+	EVP_PKEY *key = NULL, *rkey = NULL;
+	BIO *acbio = NULL, *cbio = NULL;
+	BIO *derbio = NULL;
 	BIO *out = NULL;
+	int req_timeout = -1;
 	int req_text = 0, resp_text = 0;
+	long nsec = MAX_VALIDITY_PERIOD, maxage = -1;
 	char *CAfile = NULL, *CApath = NULL;
 	X509_STORE *store = NULL;
+	X509_VERIFY_PARAM *vpm = NULL;
+	STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL;
+	char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL;
+	unsigned long sign_flags = 0, verify_flags = 0, rflags = 0;
 	int ret = 1;
+	int accept_count = -1;
 	int badarg = 0;
+	int badsig = 0;
 	int i;
+	int ignore_err = 0;
+	STACK_OF(OPENSSL_STRING) *reqnames = NULL;
+	STACK_OF(OCSP_CERTID) *ids = NULL;
+
+	X509 *rca_cert = NULL;
+	char *ridx_filename = NULL;
+	char *rca_filename = NULL;
+	CA_DB *rdb = NULL;
+	int nmin = 0, ndays = -1;
+	const EVP_MD *cert_id_md = NULL, *rsign_md = NULL;
+
 	if (bio_err == NULL) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
-	ERR_load_crypto_strings();
+
+	if (!load_config(bio_err, NULL))
+		goto end;
+	SSL_load_error_strings();
+	OpenSSL_add_ssl_algorithms();
 	args = argv + 1;
+	reqnames = sk_OPENSSL_STRING_new_null();
+	ids = sk_OCSP_CERTID_new_null();
 	while (!badarg && *args && *args[0] == '-')
 		{
 		if (!strcmp(*args, "-out"))
@@ -108,6 +189,44 @@ int MAIN(int argc, char **argv)
 				}
 			else badarg = 1;
 			}
+		else if (!strcmp(*args, "-timeout"))
+			{
+			if (args[1])
+				{
+				args++;
+				req_timeout = atol(*args);
+				if (req_timeout < 0)
+					{
+					BIO_printf(bio_err,
+						"Illegal timeout value %s\n",
+						*args);
+					badarg = 1;
+					}
+				}
+			else badarg = 1;
+			}
+		else if (!strcmp(*args, "-url"))
+			{
+			if (thost)
+				OPENSSL_free(thost);
+			if (tport)
+				OPENSSL_free(tport);
+			if (tpath)
+				OPENSSL_free(tpath);
+			if (args[1])
+				{
+				args++;
+				if (!OCSP_parse_url(*args, &host, &port, &path, &use_ssl))
+					{
+					BIO_printf(bio_err, "Error parsing URL\n");
+					badarg = 1;
+					}
+				thost = host;
+				tport = port;
+				tpath = path;
+				}
+			else badarg = 1;
+			}
 		else if (!strcmp(*args, "-host"))
 			{
 			if (args[1])
@@ -117,10 +236,55 @@ int MAIN(int argc, char **argv)
 				}
 			else badarg = 1;
 			}
+		else if (!strcmp(*args, "-port"))
+			{
+			if (args[1])
+				{
+				args++;
+				port = *args;
+				}
+			else badarg = 1;
+			}
+		else if (!strcmp(*args, "-header"))
+			{
+			if (args[1] && args[2])
+				{
+				if (!X509V3_add_value(args[1], args[2], &headers))
+					goto end;
+				args += 2;
+				}
+			else badarg = 1;
+			}
+		else if (!strcmp(*args, "-ignore_err"))
+			ignore_err = 1;
+		else if (!strcmp(*args, "-noverify"))
+			noverify = 1;
 		else if (!strcmp(*args, "-nonce"))
 			add_nonce = 2;
 		else if (!strcmp(*args, "-no_nonce"))
 			add_nonce = 0;
+		else if (!strcmp(*args, "-resp_no_certs"))
+			rflags |= OCSP_NOCERTS;
+		else if (!strcmp(*args, "-resp_key_id"))
+			rflags |= OCSP_RESPID_KEY;
+		else if (!strcmp(*args, "-no_certs"))
+			sign_flags |= OCSP_NOCERTS;
+		else if (!strcmp(*args, "-no_signature_verify"))
+			verify_flags |= OCSP_NOSIGS;
+		else if (!strcmp(*args, "-no_cert_verify"))
+			verify_flags |= OCSP_NOVERIFY;
+		else if (!strcmp(*args, "-no_chain"))
+			verify_flags |= OCSP_NOCHAIN;
+		else if (!strcmp(*args, "-no_cert_checks"))
+			verify_flags |= OCSP_NOCHECKS;
+		else if (!strcmp(*args, "-no_explicit"))
+			verify_flags |= OCSP_NOEXPLICIT;
+		else if (!strcmp(*args, "-trust_other"))
+			verify_flags |= OCSP_TRUSTOTHER;
+		else if (!strcmp(*args, "-no_intern"))
+			verify_flags |= OCSP_NOINTERN;
+		else if (!strcmp(*args, "-badsig"))
+			badsig = 1;
 		else if (!strcmp(*args, "-text"))
 			{
 			req_text = 1;
@@ -157,6 +321,34 @@ int MAIN(int argc, char **argv)
 				}
 			else badarg = 1;
 			}
+		else if (!strcmp (*args, "-VAfile"))
+			{
+			if (args[1])
+				{
+				args++;
+				verify_certfile = *args;
+				verify_flags |= OCSP_TRUSTOTHER;
+				}
+			else badarg = 1;
+			}
+		else if (!strcmp(*args, "-sign_other"))
+			{
+			if (args[1])
+				{
+				args++;
+				sign_certfile = *args;
+				}
+			else badarg = 1;
+			}
+		else if (!strcmp(*args, "-verify_other"))
+			{
+			if (args[1])
+				{
+				args++;
+				verify_certfile = *args;
+				}
+			else badarg = 1;
+			}
 		else if (!strcmp (*args, "-CAfile"))
 			{
 			if (args[1])
@@ -175,6 +367,44 @@ int MAIN(int argc, char **argv)
 				}
 			else badarg = 1;
 			}
+		else if (args_verify(&args, NULL, &badarg, bio_err, &vpm))
+			{
+			if (badarg)
+				goto end;
+			continue;
+			}
+		else if (!strcmp (*args, "-validity_period"))
+			{
+			if (args[1])
+				{
+				args++;
+				nsec = atol(*args);
+				if (nsec < 0)
+					{
+					BIO_printf(bio_err,
+						"Illegal validity period %s\n",
+						*args);
+					badarg = 1;
+					}
+				}
+			else badarg = 1;
+			}
+		else if (!strcmp (*args, "-status_age"))
+			{
+			if (args[1])
+				{
+				args++;
+				maxage = atol(*args);
+				if (maxage < 0)
+					{
+					BIO_printf(bio_err,
+						"Illegal validity age %s\n",
+						*args);
+					badarg = 1;
+					}
+				}
+			else badarg = 1;
+			}
 		 else if (!strcmp(*args, "-signkey"))
 			{
 			if (args[1])
@@ -217,7 +447,8 @@ int MAIN(int argc, char **argv)
 				{
 				args++;
 				X509_free(issuer);
-				issuer = load_cert(bio_err, *args, FORMAT_PEM);
+				issuer = load_cert(bio_err, *args, FORMAT_PEM,
+					NULL, e, "issuer certificate");
 				if(!issuer) goto end;
 				}
 			else badarg = 1;
@@ -228,9 +459,13 @@ int MAIN(int argc, char **argv)
 				{
 				args++;
 				X509_free(cert);
-				cert = load_cert(bio_err, *args, FORMAT_PEM);
+				cert = load_cert(bio_err, *args, FORMAT_PEM,
+					NULL, e, "certificate");
 				if(!cert) goto end;
-				if(!add_ocsp_cert(&req, cert, issuer))
+				if (!cert_id_md) cert_id_md = EVP_sha1();
+				if(!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids))
+					goto end;
+				if(!sk_OPENSSL_STRING_push(reqnames, *args))
 					goto end;
 				}
 			else badarg = 1;
@@ -240,40 +475,180 @@ int MAIN(int argc, char **argv)
 			if (args[1])
 				{
 				args++;
-				if(!add_ocsp_serial(&req, *args, issuer))
+				if (!cert_id_md) cert_id_md = EVP_sha1();
+				if(!add_ocsp_serial(&req, *args, cert_id_md, issuer, ids))
 					goto end;
+				if(!sk_OPENSSL_STRING_push(reqnames, *args))
+					goto end;
+				}
+			else badarg = 1;
+			}
+		else if (!strcmp(*args, "-index"))
+			{
+			if (args[1])
+				{
+				args++;
+				ridx_filename = *args;
+				}
+			else badarg = 1;
+			}
+		else if (!strcmp(*args, "-CA"))
+			{
+			if (args[1])
+				{
+				args++;
+				rca_filename = *args;
+				}
+			else badarg = 1;
+			}
+		else if (!strcmp (*args, "-nmin"))
+			{
+			if (args[1])
+				{
+				args++;
+				nmin = atol(*args);
+				if (nmin < 0)
+					{
+					BIO_printf(bio_err,
+						"Illegal update period %s\n",
+						*args);
+					badarg = 1;
+					}
+				}
+				if (ndays == -1)
+					ndays = 0;
+			else badarg = 1;
+			}
+		else if (!strcmp (*args, "-nrequest"))
+			{
+			if (args[1])
+				{
+				args++;
+				accept_count = atol(*args);
+				if (accept_count < 0)
+					{
+					BIO_printf(bio_err,
+						"Illegal accept count %s\n",
+						*args);
+					badarg = 1;
+					}
+				}
+			else badarg = 1;
+			}
+		else if (!strcmp (*args, "-ndays"))
+			{
+			if (args[1])
+				{
+				args++;
+				ndays = atol(*args);
+				if (ndays < 0)
+					{
+					BIO_printf(bio_err,
+						"Illegal update period %s\n",
+						*args);
+					badarg = 1;
+					}
+				}
+			else badarg = 1;
+			}
+		else if (!strcmp(*args, "-rsigner"))
+			{
+			if (args[1])
+				{
+				args++;
+				rsignfile = *args;
 				}
 			else badarg = 1;
 			}
-		else badarg = 1;
+		else if (!strcmp(*args, "-rkey"))
+			{
+			if (args[1])
+				{
+				args++;
+				rkeyfile = *args;
+				}
+			else badarg = 1;
+			}
+		else if (!strcmp(*args, "-rother"))
+			{
+			if (args[1])
+				{
+				args++;
+				rcertfile = *args;
+				}
+			else badarg = 1;
+			}
+		else if (!strcmp(*args, "-rmd"))
+			{
+			if (args[1])
+				{
+				args++;
+				rsign_md = EVP_get_digestbyname(*args);
+				if (!rsign_md)
+					badarg = 1;
+				}
+			else badarg = 1;
+			}
+		else if ((cert_id_md = EVP_get_digestbyname((*args)+1))==NULL)
+			{
+			badarg = 1;
+			}
 		args++;
 		}
 
 	/* Have we anything to do? */
-	if (!req && !reqin && !respin) badarg = 1;
+	if (!req && !reqin && !respin && !(port && ridx_filename)) badarg = 1;
 
 	if (badarg)
 		{
 		BIO_printf (bio_err, "OCSP utility\n");
 		BIO_printf (bio_err, "Usage ocsp [options]\n");
 		BIO_printf (bio_err, "where options are\n");
-		BIO_printf (bio_err, "-out file     output filename\n");
-		BIO_printf (bio_err, "-issuer file  issuer certificate\n");
-		BIO_printf (bio_err, "-cert file    certificate to check\n");
-		BIO_printf (bio_err, "-serial n     serial number to check\n");
-		BIO_printf (bio_err, "-signer file  certificate to sign OCSP request with\n");
-		BIO_printf (bio_err, "-signkey file private key to sign OCSP request with\n");
-		BIO_printf (bio_err, "-req_text     print text form of request\n");
-		BIO_printf (bio_err, "-resp_text    print text form of response\n");
-		BIO_printf (bio_err, "-text         print text form of request and response\n");
-		BIO_printf (bio_err, "-reqout file  write DER encoded OCSP request to \"file\"\n");
-		BIO_printf (bio_err, "-respout file write DER encoded OCSP reponse to \"file\"\n");
-		BIO_printf (bio_err, "-reqin file   read DER encoded OCSP request from \"file\"\n");
-		BIO_printf (bio_err, "-respin file  read DER encoded OCSP reponse from \"file\"\n");
-		BIO_printf (bio_err, "-nonce        add OCSP nonce to request\n");
-		BIO_printf (bio_err, "-no_nonce     don't add OCSP nonce to request\n");
-		BIO_printf (bio_err, "-host host:n  send OCSP request to host on port n\n");
-		BIO_printf (bio_err, "-path         path to use in OCSP request\n");
+		BIO_printf (bio_err, "-out file          output filename\n");
+		BIO_printf (bio_err, "-issuer file       issuer certificate\n");
+		BIO_printf (bio_err, "-cert file         certificate to check\n");
+		BIO_printf (bio_err, "-serial n          serial number to check\n");
+		BIO_printf (bio_err, "-signer file       certificate to sign OCSP request with\n");
+		BIO_printf (bio_err, "-signkey file      private key to sign OCSP request with\n");
+		BIO_printf (bio_err, "-sign_other file   additional certificates to include in signed request\n");
+		BIO_printf (bio_err, "-no_certs          don't include any certificates in signed request\n");
+		BIO_printf (bio_err, "-req_text          print text form of request\n");
+		BIO_printf (bio_err, "-resp_text         print text form of response\n");
+		BIO_printf (bio_err, "-text              print text form of request and response\n");
+		BIO_printf (bio_err, "-reqout file       write DER encoded OCSP request to \"file\"\n");
+		BIO_printf (bio_err, "-respout file      write DER encoded OCSP reponse to \"file\"\n");
+		BIO_printf (bio_err, "-reqin file        read DER encoded OCSP request from \"file\"\n");
+		BIO_printf (bio_err, "-respin file       read DER encoded OCSP reponse from \"file\"\n");
+		BIO_printf (bio_err, "-nonce             add OCSP nonce to request\n");
+		BIO_printf (bio_err, "-no_nonce          don't add OCSP nonce to request\n");
+		BIO_printf (bio_err, "-url URL           OCSP responder URL\n");
+		BIO_printf (bio_err, "-host host:n       send OCSP request to host on port n\n");
+		BIO_printf (bio_err, "-path              path to use in OCSP request\n");
+		BIO_printf (bio_err, "-CApath dir        trusted certificates directory\n");
+		BIO_printf (bio_err, "-CAfile file       trusted certificates file\n");
+		BIO_printf (bio_err, "-VAfile file       validator certificates file\n");
+		BIO_printf (bio_err, "-validity_period n maximum validity discrepancy in seconds\n");
+		BIO_printf (bio_err, "-status_age n      maximum status age in seconds\n");
+		BIO_printf (bio_err, "-noverify          don't verify response at all\n");
+		BIO_printf (bio_err, "-verify_other file additional certificates to search for signer\n");
+		BIO_printf (bio_err, "-trust_other       don't verify additional certificates\n");
+		BIO_printf (bio_err, "-no_intern         don't search certificates contained in response for signer\n");
+		BIO_printf (bio_err, "-no_signature_verify don't check signature on response\n");
+		BIO_printf (bio_err, "-no_cert_verify    don't check signing certificate\n");
+		BIO_printf (bio_err, "-no_chain          don't chain verify response\n");
+		BIO_printf (bio_err, "-no_cert_checks    don't do additional checks on signing certificate\n");
+		BIO_printf (bio_err, "-port num		 port to run responder on\n");
+		BIO_printf (bio_err, "-index file	 certificate status index file\n");
+		BIO_printf (bio_err, "-CA file		 CA certificate\n");
+		BIO_printf (bio_err, "-rsigner file	 responder certificate to sign responses with\n");
+		BIO_printf (bio_err, "-rkey file	 responder key to sign responses with\n");
+		BIO_printf (bio_err, "-rother file	 other certificates to include in response\n");
+		BIO_printf (bio_err, "-resp_no_certs     don't include any certificates in response\n");
+		BIO_printf (bio_err, "-nmin n	 	 number of minutes before next update\n");
+		BIO_printf (bio_err, "-ndays n	 	 number of days before next update\n");
+		BIO_printf (bio_err, "-resp_key_id       identify reponse by signing certificate key ID\n");
+		BIO_printf (bio_err, "-nrequest n        number of requests to accept (default unlimited)\n");
+		BIO_printf (bio_err, "-<dgst alg>     use specified digest in the request\n");
 		goto end;
 		}
 
@@ -290,7 +665,10 @@ int MAIN(int argc, char **argv)
 
 	if (!req && reqin)
 		{
-		derbio = BIO_new_file(reqin, "rb");
+		if (!strcmp(reqin, "-"))
+			derbio = BIO_new_fp(stdin, BIO_NOCLOSE);
+		else
+			derbio = BIO_new_file(reqin, "rb");
 		if (!derbio)
 			{
 			BIO_printf(bio_err, "Error Opening OCSP request file\n");
@@ -305,40 +683,98 @@ int MAIN(int argc, char **argv)
 			}
 		}
 
-	if (!req && (signfile || reqout || host || add_nonce))
+	if (!req && port)
+		{
+		acbio = init_responder(port);
+		if (!acbio)
+			goto end;
+		}
+
+	if (rsignfile && !rdb)
+		{
+		if (!rkeyfile) rkeyfile = rsignfile;
+		rsigner = load_cert(bio_err, rsignfile, FORMAT_PEM,
+			NULL, e, "responder certificate");
+		if (!rsigner)
+			{
+			BIO_printf(bio_err, "Error loading responder certificate\n");
+			goto end;
+			}
+		rca_cert = load_cert(bio_err, rca_filename, FORMAT_PEM,
+			NULL, e, "CA certificate");
+		if (rcertfile)
+			{
+			rother = load_certs(bio_err, rcertfile, FORMAT_PEM,
+				NULL, e, "responder other certificates");
+			if (!rother) goto end;
+			}
+		rkey = load_key(bio_err, rkeyfile, FORMAT_PEM, 0, NULL, NULL,
+			"responder private key");
+		if (!rkey)
+			goto end;
+		}
+	if(acbio)
+		BIO_printf(bio_err, "Waiting for OCSP client connections...\n");
+
+	redo_accept:
+
+	if (acbio)
+		{
+		if (!do_responder(&req, &cbio, acbio, port))
+			goto end;
+		if (!req)
+			{
+			resp = OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL);
+			send_ocsp_response(cbio, resp);
+			goto done_resp;
+			}
+		}
+
+	if (!req && (signfile || reqout || host || add_nonce || ridx_filename))
 		{
 		BIO_printf(bio_err, "Need an OCSP request for this operation!\n");
 		goto end;
 		}
 
-	if (req) OCSP_request_add1_nonce(req, NULL, -1);
+	if (req && add_nonce) OCSP_request_add1_nonce(req, NULL, -1);
 
 	if (signfile)
 		{
 		if (!keyfile) keyfile = signfile;
-		signer = load_cert(bio_err, signfile, FORMAT_PEM);
+		signer = load_cert(bio_err, signfile, FORMAT_PEM,
+			NULL, e, "signer certificate");
 		if (!signer)
 			{
 			BIO_printf(bio_err, "Error loading signer certificate\n");
 			goto end;
 			}
-		key = load_key(bio_err, keyfile, FORMAT_PEM, NULL, NULL);
-		if (!key)
+		if (sign_certfile)
 			{
-			BIO_printf(bio_err, "Error loading signer private key\n");
-			goto end;
+			sign_other = load_certs(bio_err, sign_certfile, FORMAT_PEM,
+				NULL, e, "signer certificates");
+			if (!sign_other) goto end;
 			}
-		if (!OCSP_request_sign(req, signer, key, EVP_sha1(), NULL, 0))
+		key = load_key(bio_err, keyfile, FORMAT_PEM, 0, NULL, NULL,
+			"signer private key");
+		if (!key)
+			goto end;
+
+		if (!OCSP_request_sign(req, signer, key, NULL, sign_other, sign_flags))
 			{
 			BIO_printf(bio_err, "Error signing OCSP request\n");
 			goto end;
 			}
 		}
 
+	if (req_text && req) OCSP_REQUEST_print(out, req, 0);
+
 	if (reqout)
 		{
-		derbio = BIO_new_file(reqout, "wb");
-		if (!derbio)
+		if (!strcmp(reqout, "-"))
+			derbio = BIO_new_fp(stdout, BIO_NOCLOSE);
+		else
+			derbio = BIO_new_file(reqout, "wb");
+		if(!derbio)
 			{
 			BIO_printf(bio_err, "Error opening file %s\n", reqout);
 			goto end;
@@ -347,33 +783,43 @@ int MAIN(int argc, char **argv)
 		BIO_free(derbio);
 		}
 
-	if (req_text && req) OCSP_REQUEST_print(out, req, 0);
+	if (ridx_filename && (!rkey || !rsigner || !rca_cert))
+		{
+		BIO_printf(bio_err, "Need a responder certificate, key and CA for this operation!\n");
+		goto end;
+		}
 
-	if (host)
+	if (ridx_filename && !rdb)
 		{
-		cbio = BIO_new_connect(host);
-		if (!cbio)
-			{
-			BIO_printf(bio_err, "Error creating connect BIO\n");
-			goto end;
-			}
-		if (BIO_do_connect(cbio) <= 0)
-			{
-			BIO_printf(bio_err, "Error connecting BIO\n");
-			goto end;
-			}
-		resp = OCSP_sendreq_bio(cbio, path, req);
-		BIO_free(cbio);
-		cbio = NULL;
+		rdb = load_index(ridx_filename, NULL);
+		if (!rdb) goto end;
+		if (!index_index(rdb)) goto end;
+		}
+
+	if (rdb)
+		{
+		i = make_ocsp_response(&resp, req, rdb, rca_cert, rsigner, rkey,rsign_md, rother, rflags, nmin, ndays, badsig);
+		if (cbio)
+			send_ocsp_response(cbio, resp);
+		}
+	else if (host)
+		{
+#ifndef OPENSSL_NO_SOCK
+		resp = process_responder(bio_err, req, host, path,
+					port, use_ssl, headers, req_timeout);
 		if (!resp)
-			{
-			BIO_printf(bio_err, "Error querying OCSP responsder\n");
 			goto end;
-			}
+#else
+		BIO_printf(bio_err, "Error creating connect BIO - sockets not supported.\n");
+		goto end;
+#endif
 		}
 	else if (respin)
 		{
-		derbio = BIO_new_file(respin, "rb");
+		if (!strcmp(respin, "-"))
+			derbio = BIO_new_fp(stdin, BIO_NOCLOSE);
+		else
+			derbio = BIO_new_file(respin, "rb");
 		if (!derbio)
 			{
 			BIO_printf(bio_err, "Error Opening OCSP response file\n");
@@ -394,9 +840,14 @@ int MAIN(int argc, char **argv)
 		goto end;
 		}
 
+	done_resp:
+
 	if (respout)
 		{
-		derbio = BIO_new_file(respout, "wb");
+		if (!strcmp(respout, "-"))
+			derbio = BIO_new_fp(stdout, BIO_NOCLOSE);
+		else
+			derbio = BIO_new_file(respout, "wb");
 		if(!derbio)
 			{
 			BIO_printf(bio_err, "Error opening file %s\n", respout);
@@ -406,42 +857,134 @@ int MAIN(int argc, char **argv)
 		BIO_free(derbio);
 		}
 
+	i = OCSP_response_status(resp);
+
+	if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL)
+		{
+		BIO_printf(out, "Responder Error: %s (%d)\n",
+				OCSP_response_status_str(i), i);
+		if (ignore_err)
+			goto redo_accept;
+		ret = 0;
+		goto end;
+		}
+
 	if (resp_text) OCSP_RESPONSE_print(out, resp, 0);
 
-	store = setup_verify(bio_err, CAfile, CApath);
-	if(!store) goto end;
+	/* If running as responder don't verify our own response */
+	if (cbio)
+		{
+		if (accept_count > 0)
+			accept_count--;
+		/* Redo if more connections needed */
+		if (accept_count)
+			{
+			BIO_free_all(cbio);
+			cbio = NULL;
+			OCSP_REQUEST_free(req);
+			req = NULL;
+			OCSP_RESPONSE_free(resp);
+			resp = NULL;
+			goto redo_accept;
+			}
+		ret = 0;
+		goto end;
+		}
+	else if (ridx_filename)
+		{
+		ret = 0;
+		goto end;
+		}
+
+	if (!store)
+		store = setup_verify(bio_err, CAfile, CApath);
+	if (!store)
+		goto end;
+	if (vpm)
+		X509_STORE_set1_param(store, vpm);
+	if (verify_certfile)
+		{
+		verify_other = load_certs(bio_err, verify_certfile, FORMAT_PEM,
+			NULL, e, "validator certificate");
+		if (!verify_other) goto end;
+		}
 
 	bs = OCSP_response_get1_basic(resp);
 
-	i = OCSP_basic_verify(bs, NULL, store, 0);
-
-	if(i <= 0)
+	if (!bs)
 		{
-		BIO_printf(bio_err, "Response verify error (%d)\n", i);
-		ERR_print_errors(bio_err);
+		BIO_printf(bio_err, "Error parsing response\n");
+		goto end;
 		}
-	else
-		BIO_printf(bio_err, "Response verify OK\n");
 
 	ret = 0;
 
+	if (!noverify)
+		{
+		if (req && ((i = OCSP_check_nonce(req, bs)) <= 0))
+			{
+			if (i == -1)
+				BIO_printf(bio_err, "WARNING: no nonce in response\n");
+			else
+				{
+				BIO_printf(bio_err, "Nonce Verify error\n");
+				ret = 1;
+				goto end;
+				}
+			}
+
+		i = OCSP_basic_verify(bs, verify_other, store, verify_flags);
+		if(i <= 0)
+			{
+			BIO_printf(bio_err, "Response Verify Failure\n");
+			ERR_print_errors(bio_err);
+			ret = 1;
+			}
+		else
+			BIO_printf(bio_err, "Response verify OK\n");
+
+		}
+
+	if (!print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage))
+		ret = 1;
+
 end:
 	ERR_print_errors(bio_err);
 	X509_free(signer);
 	X509_STORE_free(store);
+	if (vpm)
+		X509_VERIFY_PARAM_free(vpm);
 	EVP_PKEY_free(key);
+	EVP_PKEY_free(rkey);
 	X509_free(issuer);
 	X509_free(cert);
-	BIO_free(cbio);
+	X509_free(rsigner);
+	X509_free(rca_cert);
+	free_index(rdb);
+	BIO_free_all(cbio);
+	BIO_free_all(acbio);
 	BIO_free(out);
 	OCSP_REQUEST_free(req);
 	OCSP_RESPONSE_free(resp);
 	OCSP_BASICRESP_free(bs);
+	sk_OPENSSL_STRING_free(reqnames);
+	sk_OCSP_CERTID_free(ids);
+	sk_X509_pop_free(sign_other, X509_free);
+	sk_X509_pop_free(verify_other, X509_free);
+	sk_CONF_VALUE_pop_free(headers, X509V3_conf_free);
 
-	EXIT(ret);
+	if (thost)
+		OPENSSL_free(thost);
+	if (tport)
+		OPENSSL_free(tport);
+	if (tpath)
+		OPENSSL_free(tpath);
+
+	OPENSSL_EXIT(ret);
 }
 
-static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, X509 *issuer)
+static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, const EVP_MD *cert_id_md,X509 *issuer,
+				STACK_OF(OCSP_CERTID) *ids)
 	{
 	OCSP_CERTID *id;
 	if(!issuer)
@@ -451,8 +994,8 @@ static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, X509 *issuer)
 		}
 	if(!*req) *req = OCSP_REQUEST_new();
 	if(!*req) goto err;
-	id = OCSP_cert_to_id(NULL, cert, issuer);
-	if(!id) goto err;
+	id = OCSP_cert_to_id(cert_id_md, cert, issuer);
+	if(!id || !sk_OCSP_CERTID_push(ids, id)) goto err;
 	if(!OCSP_request_add0_id(*req, id)) goto err;
 	return 1;
 
@@ -461,7 +1004,8 @@ static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, X509 *issuer)
 	return 0;
 	}
 
-static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, X509 *issuer)
+static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,const EVP_MD *cert_id_md, X509 *issuer,
+				STACK_OF(OCSP_CERTID) *ids)
 	{
 	OCSP_CERTID *id;
 	X509_NAME *iname;
@@ -475,16 +1019,16 @@ static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, X509 *issuer)
 	if(!*req) *req = OCSP_REQUEST_new();
 	if(!*req) goto err;
 	iname = X509_get_subject_name(issuer);
-	ikey = issuer->cert_info->key->public_key;
+	ikey = X509_get0_pubkey_bitstr(issuer);
 	sno = s2i_ASN1_INTEGER(NULL, serial);
 	if(!sno)
 		{
 		BIO_printf(bio_err, "Error converting serial number %s\n", serial);
 		return 0;
 		}
-	id = OCSP_cert_id_new(EVP_sha1(), iname, ikey, sno);
+	id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno);
 	ASN1_INTEGER_free(sno);
-	if(!id) goto err;
+	if(!id || !sk_OCSP_CERTID_push(ids, id)) goto err;
 	if(!OCSP_request_add0_id(*req, id)) goto err;
 	return 1;
 
@@ -492,3 +1036,445 @@ static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, X509 *issuer)
 	BIO_printf(bio_err, "Error Creating OCSP request\n");
 	return 0;
 	}
+
+static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
+			      STACK_OF(OPENSSL_STRING) *names,
+			      STACK_OF(OCSP_CERTID) *ids, long nsec,
+			      long maxage)
+	{
+	OCSP_CERTID *id;
+	char *name;
+	int i;
+
+	int status, reason;
+
+	ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd;
+
+	if (!bs || !req || !sk_OPENSSL_STRING_num(names) || !sk_OCSP_CERTID_num(ids))
+		return 1;
+
+	for (i = 0; i < sk_OCSP_CERTID_num(ids); i++)
+		{
+		id = sk_OCSP_CERTID_value(ids, i);
+		name = sk_OPENSSL_STRING_value(names, i);
+		BIO_printf(out, "%s: ", name);
+
+		if(!OCSP_resp_find_status(bs, id, &status, &reason,
+					&rev, &thisupd, &nextupd))
+			{
+			BIO_puts(out, "ERROR: No Status found.\n");
+			continue;
+			}
+
+		/* Check validity: if invalid write to output BIO so we
+		 * know which response this refers to.
+		 */
+		if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage))
+			{
+			BIO_puts(out, "WARNING: Status times invalid.\n");
+			ERR_print_errors(out);
+			}
+		BIO_printf(out, "%s\n", OCSP_cert_status_str(status));
+
+		BIO_puts(out, "\tThis Update: ");
+		ASN1_GENERALIZEDTIME_print(out, thisupd);
+		BIO_puts(out, "\n");
+
+		if(nextupd)
+			{
+			BIO_puts(out, "\tNext Update: ");
+			ASN1_GENERALIZEDTIME_print(out, nextupd);
+			BIO_puts(out, "\n");
+			}
+
+		if (status != V_OCSP_CERTSTATUS_REVOKED)
+			continue;
+
+		if (reason != -1)
+			BIO_printf(out, "\tReason: %s\n",
+				OCSP_crl_reason_str(reason));
+
+		BIO_puts(out, "\tRevocation Time: ");
+		ASN1_GENERALIZEDTIME_print(out, rev);
+		BIO_puts(out, "\n");
+		}
+
+	return 1;
+	}
+
+
+static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, CA_DB *db,
+			X509 *ca, X509 *rcert,
+			EVP_PKEY *rkey, const EVP_MD *rmd,
+			STACK_OF(X509) *rother, unsigned long flags,
+			int nmin, int ndays, int badsig)
+	{
+	ASN1_TIME *thisupd = NULL, *nextupd = NULL;
+	OCSP_CERTID *cid, *ca_id = NULL;
+	OCSP_BASICRESP *bs = NULL;
+	int i, id_count, ret = 1;
+
+	id_count = OCSP_request_onereq_count(req);
+
+	if (id_count <= 0)
+		{
+		*resp = OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL);
+		goto end;
+		}
+
+
+	bs = OCSP_BASICRESP_new();
+	thisupd = X509_gmtime_adj(NULL, 0);
+	if (ndays != -1)
+		nextupd = X509_gmtime_adj(NULL, nmin * 60 + ndays * 3600 * 24 );
+
+	/* Examine each certificate id in the request */
+	for (i = 0; i < id_count; i++)
+		{
+		OCSP_ONEREQ *one;
+		ASN1_INTEGER *serial;
+		char **inf;
+		ASN1_OBJECT *cert_id_md_oid;
+		const EVP_MD *cert_id_md;
+		one = OCSP_request_onereq_get0(req, i);
+		cid = OCSP_onereq_get0_id(one);
+
+		OCSP_id_get0_info(NULL,&cert_id_md_oid, NULL,NULL, cid);
+
+		cert_id_md = EVP_get_digestbyobj(cert_id_md_oid);	
+		if (! cert_id_md) 
+			{
+			*resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
+				NULL);
+				goto end;
+			}	
+		if (ca_id) OCSP_CERTID_free(ca_id);
+		ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca);
+
+		/* Is this request about our CA? */
+		if (OCSP_id_issuer_cmp(ca_id, cid))
+			{
+			OCSP_basic_add1_status(bs, cid,
+						V_OCSP_CERTSTATUS_UNKNOWN,
+						0, NULL,
+						thisupd, nextupd);
+			continue;
+			}
+		OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid);
+		inf = lookup_serial(db, serial);
+		if (!inf)
+			OCSP_basic_add1_status(bs, cid,
+						V_OCSP_CERTSTATUS_UNKNOWN,
+						0, NULL,
+						thisupd, nextupd);
+		else if (inf[DB_type][0] == DB_TYPE_VAL)
+			OCSP_basic_add1_status(bs, cid,
+						V_OCSP_CERTSTATUS_GOOD,
+						0, NULL,
+						thisupd, nextupd);
+		else if (inf[DB_type][0] == DB_TYPE_REV)
+			{
+			ASN1_OBJECT *inst = NULL;
+			ASN1_TIME *revtm = NULL;
+			ASN1_GENERALIZEDTIME *invtm = NULL;
+			OCSP_SINGLERESP *single;
+			int reason = -1;
+			unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]);
+			single = OCSP_basic_add1_status(bs, cid,
+						V_OCSP_CERTSTATUS_REVOKED,
+						reason, revtm,
+						thisupd, nextupd);
+			if (invtm)
+				OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date, invtm, 0, 0);
+			else if (inst)
+				OCSP_SINGLERESP_add1_ext_i2d(single, NID_hold_instruction_code, inst, 0, 0);
+			ASN1_OBJECT_free(inst);
+			ASN1_TIME_free(revtm);
+			ASN1_GENERALIZEDTIME_free(invtm);
+			}
+		}
+
+	OCSP_copy_nonce(bs, req);
+	
+	OCSP_basic_sign(bs, rcert, rkey, rmd, rother, flags);
+
+	if (badsig)
+		bs->signature->data[bs->signature->length -1] ^= 0x1;
+
+	*resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs);
+
+	end:
+	ASN1_TIME_free(thisupd);
+	ASN1_TIME_free(nextupd);
+	OCSP_CERTID_free(ca_id);
+	OCSP_BASICRESP_free(bs);
+	return ret;
+
+	}
+
+static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser)
+	{
+	int i;
+	BIGNUM *bn = NULL;
+	char *itmp, *row[DB_NUMBER],**rrow;
+	for (i = 0; i < DB_NUMBER; i++) row[i] = NULL;
+	bn = ASN1_INTEGER_to_BN(ser,NULL);
+	OPENSSL_assert(bn); /* FIXME: should report an error at this point and abort */
+	if (BN_is_zero(bn))
+		itmp = BUF_strdup("00");
+	else
+		itmp = BN_bn2hex(bn);
+	row[DB_serial] = itmp;
+	BN_free(bn);
+	rrow=TXT_DB_get_by_index(db->db,DB_serial,row);
+	OPENSSL_free(itmp);
+	return rrow;
+	}
+
+/* Quick and dirty OCSP server: read in and parse input request */
+
+static BIO *init_responder(const char *port)
+	{
+	BIO *acbio = NULL, *bufbio = NULL;
+	bufbio = BIO_new(BIO_f_buffer());
+	if (!bufbio) 
+		goto err;
+#ifndef OPENSSL_NO_SOCK
+	acbio = BIO_new_accept(port);
+#else
+	BIO_printf(bio_err, "Error setting up accept BIO - sockets not supported.\n");
+#endif
+	if (!acbio)
+		goto err;
+	BIO_set_accept_bios(acbio, bufbio);
+	bufbio = NULL;
+
+	if (BIO_do_accept(acbio) <= 0)
+		{
+			BIO_printf(bio_err, "Error setting up accept BIO\n");
+			ERR_print_errors(bio_err);
+			goto err;
+		}
+
+	return acbio;
+
+	err:
+	BIO_free_all(acbio);
+	BIO_free(bufbio);
+	return NULL;
+	}
+
+static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio,
+			const char *port)
+	{
+	int have_post = 0, len;
+	OCSP_REQUEST *req = NULL;
+	char inbuf[1024];
+	BIO *cbio = NULL;
+
+	if (BIO_do_accept(acbio) <= 0)
+		{
+			BIO_printf(bio_err, "Error accepting connection\n");
+			ERR_print_errors(bio_err);
+			return 0;
+		}
+
+	cbio = BIO_pop(acbio);
+	*pcbio = cbio;
+
+	for(;;)
+		{
+		len = BIO_gets(cbio, inbuf, sizeof inbuf);
+		if (len <= 0)
+			return 1;
+		/* Look for "POST" signalling start of query */
+		if (!have_post)
+			{
+			if(strncmp(inbuf, "POST", 4))
+				{
+				BIO_printf(bio_err, "Invalid request\n");
+				return 1;
+				}
+			have_post = 1;
+			}
+		/* Look for end of headers */
+		if ((inbuf[0] == '\r') || (inbuf[0] == '\n'))
+			break;
+		}
+
+	/* Try to read OCSP request */
+
+	req = d2i_OCSP_REQUEST_bio(cbio, NULL);
+
+	if (!req)
+		{
+		BIO_printf(bio_err, "Error parsing OCSP request\n");
+		ERR_print_errors(bio_err);
+		}
+
+	*preq = req;
+
+	return 1;
+
+	}
+
+static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp)
+	{
+	char http_resp[] = 
+		"HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n"
+		"Content-Length: %d\r\n\r\n";
+	if (!cbio)
+		return 0;
+	BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL));
+	i2d_OCSP_RESPONSE_bio(cbio, resp);
+	(void)BIO_flush(cbio);
+	return 1;
+	}
+
+static OCSP_RESPONSE *query_responder(BIO *err, BIO *cbio, const char *path,
+				      const STACK_OF(CONF_VALUE) *headers,
+				      OCSP_REQUEST *req, int req_timeout)
+	{
+	int fd;
+	int rv;
+	int i;
+	OCSP_REQ_CTX *ctx = NULL;
+	OCSP_RESPONSE *rsp = NULL;
+	fd_set confds;
+	struct timeval tv;
+
+	if (req_timeout != -1)
+		BIO_set_nbio(cbio, 1);
+
+	rv = BIO_do_connect(cbio);
+
+	if ((rv <= 0) && ((req_timeout == -1) || !BIO_should_retry(cbio)))
+		{
+		BIO_puts(err, "Error connecting BIO\n");
+		return NULL;
+		}
+
+	if (BIO_get_fd(cbio, &fd) <= 0)
+		{
+		BIO_puts(err, "Can't get connection fd\n");
+		goto err;
+		}
+
+	if (req_timeout != -1 && rv <= 0)
+		{
+		FD_ZERO(&confds);
+		openssl_fdset(fd, &confds);
+		tv.tv_usec = 0;
+		tv.tv_sec = req_timeout;
+		rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
+		if (rv == 0)
+			{
+			BIO_puts(err, "Timeout on connect\n");
+			return NULL;
+			}
+		}
+
+
+	ctx = OCSP_sendreq_new(cbio, path, NULL, -1);
+	if (!ctx)
+		return NULL;
+
+	for (i = 0; i < sk_CONF_VALUE_num(headers); i++)
+		{
+		CONF_VALUE *hdr = sk_CONF_VALUE_value(headers, i);
+		if (!OCSP_REQ_CTX_add1_header(ctx, hdr->name, hdr->value))
+			goto err;
+		}
+
+	if (!OCSP_REQ_CTX_set1_req(ctx, req))
+		goto err;
+	
+	for (;;)
+		{
+		rv = OCSP_sendreq_nbio(&rsp, ctx);
+		if (rv != -1)
+			break;
+		if (req_timeout == -1)
+			continue;
+		FD_ZERO(&confds);
+		openssl_fdset(fd, &confds);
+		tv.tv_usec = 0;
+		tv.tv_sec = req_timeout;
+		if (BIO_should_read(cbio))
+			rv = select(fd + 1, (void *)&confds, NULL, NULL, &tv);
+		else if (BIO_should_write(cbio))
+			rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
+		else
+			{
+			BIO_puts(err, "Unexpected retry condition\n");
+			goto err;
+			}
+		if (rv == 0)
+			{
+			BIO_puts(err, "Timeout on request\n");
+			break;
+			}
+		if (rv == -1)
+			{
+			BIO_puts(err, "Select error\n");
+			break;
+			}
+
+		}
+	err:
+	if (ctx)
+		OCSP_REQ_CTX_free(ctx);
+
+	return rsp;
+	}
+
+OCSP_RESPONSE *process_responder(BIO *err, OCSP_REQUEST *req,
+				 const char *host, const char *path,
+				 const char *port, int use_ssl,
+				 const STACK_OF(CONF_VALUE) *headers,
+				 int req_timeout)
+	{
+	BIO *cbio = NULL;
+	SSL_CTX *ctx = NULL;
+	OCSP_RESPONSE *resp = NULL;
+	cbio = BIO_new_connect(host);
+	if (!cbio)
+		{
+		BIO_printf(err, "Error creating connect BIO\n");
+		goto end;
+		}
+	if (port) BIO_set_conn_port(cbio, port);
+	if (use_ssl == 1)
+		{
+		BIO *sbio;
+#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
+		ctx = SSL_CTX_new(SSLv23_client_method());
+#elif !defined(OPENSSL_NO_SSL3)
+		ctx = SSL_CTX_new(SSLv3_client_method());
+#elif !defined(OPENSSL_NO_SSL2)
+		ctx = SSL_CTX_new(SSLv2_client_method());
+#else
+		BIO_printf(err, "SSL is disabled\n");
+			goto end;
+#endif
+		if (ctx == NULL)
+			{
+			BIO_printf(err, "Error creating SSL context.\n");
+			goto end;
+			}
+		SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);
+		sbio = BIO_new_ssl(ctx, 1);
+		cbio = BIO_push(sbio, cbio);
+		}
+	resp = query_responder(err, cbio, path, headers, req, req_timeout);
+	if (!resp)
+		BIO_printf(bio_err, "Error querying OCSP responsder\n");
+	end:
+	if (cbio)
+		BIO_free_all(cbio);
+	if (ctx)
+		SSL_CTX_free(ctx);
+	return resp;
+	}
+
+#endif