#include <stdio.h>
#include <string.h>
+#include "apps.h"
#include <openssl/pem.h>
#include <openssl/ocsp.h>
#include <openssl/err.h>
#include <openssl/ssl.h>
-#include "apps.h"
+
+/* Maximum leeway in validity period: default 5 minutes */
+#define MAX_VALIDITY_PERIOD (5 * 60)
+
+/* CA index.txt definitions */
+#define DB_type 0
+#define DB_exp_date 1
+#define DB_rev_date 2
+#define DB_serial 3 /* index - unique */
+#define DB_file 4
+#define DB_name 5 /* index - unique for active */
+#define DB_NUMBER 6
+
+#define DB_TYPE_REV 'R'
+#define DB_TYPE_EXP 'E'
+#define DB_TYPE_VAL 'V'
static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, X509 *issuer,
STACK_OF(OCSP_CERTID) *ids);
static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, X509 *issuer,
STACK_OF(OCSP_CERTID) *ids);
static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
- STACK *names, STACK_OF(OCSP_CERTID) *ids);
+ STACK *names, STACK_OF(OCSP_CERTID) *ids,
+ long nsec, long maxage);
+
+static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, TXT_DB *db,
+ X509 *ca, X509 *rcert, EVP_PKEY *rkey,
+ STACK_OF(X509) *rother, unsigned long flags,
+ int nmin, int ndays);
+
+static char **lookup_serial(TXT_DB *db, ASN1_INTEGER *ser);
+static BIO *init_responder(char *port);
+static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, char *port);
+static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp);
#undef PROG
#define PROG ocsp_main
int MAIN(int argc, char **argv)
{
+ ENGINE *e = NULL;
char **args;
char *host = NULL, *port = NULL, *path = "/";
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, noverify = 0, use_ssl = -1;
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_text = 0, resp_text = 0;
+ long nsec = MAX_VALIDITY_PERIOD, maxage = -1;
char *CAfile = NULL, *CApath = NULL;
X509_STORE *store = NULL;
SSL_CTX *ctx = NULL;
- STACK_OF(X509) *sign_other = NULL, *verify_other = NULL;
- char *sign_certfile = NULL, *verify_certfile = NULL;
- unsigned long sign_flags = 0, verify_flags = 0;
+ 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 i;
STACK *reqnames = NULL;
STACK_OF(OCSP_CERTID) *ids = NULL;
+
+ X509 *rca_cert = NULL;
+ char *ridx_filename = NULL;
+ char *rca_filename = NULL;
+ TXT_DB *rdb = NULL;
+ int nmin = 0, ndays = -1;
+
if (bio_err == NULL) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
+
+ if (!load_config(bio_err, NULL))
+ goto end;
SSL_load_error_strings();
args = argv + 1;
reqnames = sk_new_null();
}
else badarg = 1;
}
+ else if (!strcmp(*args, "-port"))
+ {
+ if (args[1])
+ {
+ args++;
+ port = *args;
+ }
+ else badarg = 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"))
}
else badarg = 1;
}
+ 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])
{
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;
{
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, ids))
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 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 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, "-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_certs 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_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");
goto end;
}
}
}
- 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 (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");
}
if (sign_certfile)
{
- sign_other = load_certs(bio_err, sign_certfile, FORMAT_PEM);
+ sign_other = load_certs(bio_err, sign_certfile, FORMAT_PEM,
+ NULL, e, "signer certificates");
if (!sign_other) goto end;
}
- key = load_key(bio_err, keyfile, FORMAT_PEM, NULL, NULL);
+ key = load_key(bio_err, keyfile, FORMAT_PEM, 0, NULL, NULL,
+ "signer private key");
if (!key)
- {
- BIO_printf(bio_err, "Error loading signer private key\n");
goto end;
- }
if (!OCSP_request_sign(req, signer, key, EVP_sha1(), sign_other, sign_flags))
{
BIO_printf(bio_err, "Error signing OCSP request\n");
}
}
+ if (req_text && req) OCSP_REQUEST_print(out, req, 0);
+
if (reqout)
{
derbio = BIO_new_file(reqout, "wb");
- if (!derbio)
+ if(!derbio)
{
BIO_printf(bio_err, "Error opening file %s\n", reqout);
goto end;
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 (ridx_filename && !rdb)
+ {
+ BIO *db_bio = NULL;
+ db_bio = BIO_new_file(ridx_filename, "r");
+ if (!db_bio)
+ {
+ BIO_printf(bio_err, "Error opening index file %s\n", ridx_filename);
+ goto end;
+ }
+ rdb = TXT_DB_read(db_bio, DB_NUMBER);
+ BIO_free(db_bio);
+ if (!rdb)
+ {
+ BIO_printf(bio_err, "Error reading index file %s\n", ridx_filename);
+ goto end;
+ }
+ if (!make_serial_index(rdb))
+ goto end;
+ }
- if (host)
+ if (rdb)
+ {
+ i = make_ocsp_response(&resp, req, rdb, rca_cert, rsigner, rkey, rother, rflags, nmin, ndays);
+ if (cbio)
+ send_ocsp_response(cbio, resp);
+ }
+ else if (host)
{
cbio = BIO_new_connect(host);
if (!cbio)
goto end;
}
+ done_resp:
+
if (respout)
{
derbio = BIO_new_file(respout, "wb");
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;
+ }
+ goto end;
+ }
+
+ if (!store)
+ store = setup_verify(bio_err, CAfile, CApath);
+ if (!store)
+ goto end;
if (verify_certfile)
{
- verify_other = load_certs(bio_err, verify_certfile, FORMAT_PEM);
+ verify_other = load_certs(bio_err, verify_certfile, FORMAT_PEM,
+ NULL, e, "validator certificate");
if (!verify_other) goto end;
}
}
- if (!print_ocsp_summary(out, bs, req, reqnames, ids))
+ if (!print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage))
goto end;
ret = 0;
X509_free(signer);
X509_STORE_free(store);
EVP_PKEY_free(key);
+ EVP_PKEY_free(rkey);
X509_free(issuer);
X509_free(cert);
+ X509_free(rsigner);
+ X509_free(rca_cert);
+ TXT_DB_free(rdb);
BIO_free_all(cbio);
+ BIO_free_all(acbio);
BIO_free(out);
OCSP_REQUEST_free(req);
OCSP_RESPONSE_free(resp);
SSL_CTX_free(ctx);
}
- EXIT(ret);
+ OPENSSL_EXIT(ret);
}
static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, X509 *issuer,
}
static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
- STACK *names, STACK_OF(OCSP_CERTID) *ids)
+ STACK *names, STACK_OF(OCSP_CERTID) *ids,
+ long nsec, long maxage)
{
OCSP_CERTID *id;
char *name;
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: ");
if(nextupd)
{
BIO_puts(out, "\tNext Update: ");
- ASN1_GENERALIZEDTIME_print(out, thisupd);
+ ASN1_GENERALIZEDTIME_print(out, nextupd);
BIO_puts(out, "\n");
}
return 1;
}
+
+static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, TXT_DB *db,
+ X509 *ca, X509 *rcert, EVP_PKEY *rkey,
+ STACK_OF(X509) *rother, unsigned long flags,
+ int nmin, int ndays)
+ {
+ 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;
+ }
+
+ ca_id = OCSP_cert_to_id(EVP_sha1(), NULL, ca);
+
+ 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;
+ one = OCSP_request_onereq_get0(req, i);
+ cid = OCSP_onereq_get0_id(one);
+ /* 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, EVP_sha1(), rother, flags);
+
+ *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(TXT_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);
+ 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_serial,row);
+ OPENSSL_free(itmp);
+ return rrow;
+ }
+
+/* Quick and dirty OCSP server: read in and parse input request */
+
+static BIO *init_responder(char *port)
+ {
+ BIO *acbio = NULL, *bufbio = NULL;
+ bufbio = BIO_new(BIO_f_buffer());
+ if (!bufbio)
+ goto err;
+ acbio = BIO_new_accept(port);
+ 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, 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);
+ BIO_flush(cbio);
+ return 1;
+ }
+