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/*
* Copyright (C) 2020 Red Hat, Inc.
*
* Author: Nikos Mavrogiannopoulos
*
* This file is part of GnuTLS.
*
* GnuTLS is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* GnuTLS is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <gnutls/gnutls.h>
#include <gnutls/x509.h>
#ifdef ENABLE_OCSP
#include "cert-common.h"
#include "ocsp-common.h"
#include "utils.h"
/* Tests whether setting an OCSP response to a client
* is working as expected */
static time_t mytime(time_t * t)
{
time_t then = OCSP_RESP_DATE;
if (t)
*t = then;
return then;
}
static void check_cli(gnutls_session_t session, void *priv)
{
assert((gnutls_session_get_flags(session) & GNUTLS_SFLAGS_SERV_REQUESTED_OCSP) != 0);
}
static void check_serv(gnutls_session_t session, void *priv)
{
int ret;
unsigned int status;
gnutls_datum_t resp;
gnutls_datum_t *exp_resp = priv;
assert((gnutls_session_get_flags(session) & GNUTLS_SFLAGS_SERV_REQUESTED_OCSP) != 0);
ret = gnutls_ocsp_status_request_get(session, &resp);
if (ret < 0) {
if (priv == NULL)
return;
fail("no response was received\n");
}
if (priv == NULL) {
fail("not expected response, but received one\n");
}
if (resp.size != exp_resp->size || memcmp(resp.data, exp_resp->data, resp.size) != 0) {
fail("did not receive the expected response\n");
}
/* Check intermediate response */
if (gnutls_protocol_get_version(session) == GNUTLS_TLS1_3) {
ret = gnutls_ocsp_status_request_get2(session, 1, &resp);
if (ret < 0) {
fail("no intermediate response was received\n");
}
if (resp.size != ocsp_subca3_unknown.size || memcmp(resp.data, ocsp_subca3_unknown.data, resp.size) != 0) {
fail("did not receive the expected intermediate response\n");
}
}
ret = gnutls_certificate_verify_peers2(session, &status);
if (ret != 0)
fail("error in verification (%s)\n", gnutls_strerror(ret));
ret = gnutls_ocsp_status_request_is_checked(session, GNUTLS_OCSP_SR_IS_AVAIL);
if (ret == 0) {
fail("did not receive the expected value (%d)\n", ret);
}
ret = gnutls_ocsp_status_request_is_checked(session, 0);
if (ret == 0) {
fail("did not receive the expected value (%d)\n", ret);
}
}
static void tls_log_func(int level, const char *str)
{
fprintf(stderr, "|<%d>| %s", level, str);
}
void doit(void)
{
int ret;
gnutls_certificate_credentials_t xcred;
gnutls_certificate_credentials_t clicred;
const char *certfile1;
const char *ocspfile1;
char certname1[TMPNAME_SIZE], ocspname1[TMPNAME_SIZE];
FILE *fp;
unsigned index1;
time_t t;
global_init();
gnutls_global_set_time_function(mytime);
gnutls_global_set_log_function(tls_log_func);
if (debug)
gnutls_global_set_log_level(4711);
assert(gnutls_certificate_allocate_credentials(&xcred) >= 0);
assert(gnutls_certificate_allocate_credentials(&clicred) >= 0);
gnutls_certificate_set_flags(xcred, GNUTLS_CERTIFICATE_API_V2);
certfile1 = get_tmpname(certname1);
/* set cert with localhost name */
fp = fopen(certfile1, "wb");
if (fp == NULL)
fail("error in fopen\n");
assert(fwrite(server_localhost_ca3_cert_chain_pem, 1, strlen(server_localhost_ca3_cert_chain_pem), fp)>0);
assert(fwrite(server_ca3_key_pem, 1, strlen((char*)server_ca3_key_pem), fp)>0);
fclose(fp);
ret = gnutls_certificate_set_x509_key_file2(xcred, certfile1, certfile1,
GNUTLS_X509_FMT_PEM, NULL, 0);
if (ret < 0)
fail("set_x509_key_file failed: %s\n", gnutls_strerror(ret));
ret = gnutls_certificate_set_x509_key_file2(clicred, certfile1, certfile1,
GNUTLS_X509_FMT_PEM, NULL, 0);
if (ret < 0)
fail("set_x509_key_file failed: %s\n", gnutls_strerror(ret));
index1 = ret;
/* set OCSP response1, include an unrelated OCSP response */
ocspfile1 = get_tmpname(ocspname1);
fp = fopen(ocspfile1, "wb");
if (fp == NULL)
fail("error in fopen\n");
assert(fwrite(ocsp_subca3_unknown_pem.data, 1, ocsp_subca3_unknown_pem.size, fp)>0);
assert(fwrite(ocsp_ca3_localhost_unknown_pem.data, 1, ocsp_ca3_localhost_unknown_pem.size, fp)>0);
assert(fwrite(ocsp_ca3_localhost6_unknown_pem.data, 1, ocsp_ca3_localhost6_unknown_pem.size, fp)>0);
fclose(fp);
ret = gnutls_certificate_set_ocsp_status_request_file2(clicred, ocspfile1, index1,
GNUTLS_X509_FMT_PEM);
if (ret != GNUTLS_E_OCSP_MISMATCH_WITH_CERTS)
fail("ocsp file set failed: %s\n", gnutls_strerror(ret));
/* set OCSP response1, include correct responses */
remove(ocspfile1);
fp = fopen(ocspfile1, "wb");
if (fp == NULL)
fail("error in fopen\n");
assert(fwrite(ocsp_subca3_unknown_pem.data, 1, ocsp_subca3_unknown_pem.size, fp)>0);
assert(fwrite(ocsp_ca3_localhost_unknown_pem.data, 1, ocsp_ca3_localhost_unknown_pem.size, fp)>0);
fclose(fp);
ret = gnutls_certificate_set_ocsp_status_request_file2(clicred, ocspfile1, index1,
GNUTLS_X509_FMT_PEM);
if (ret < 0)
fail("ocsp file set failed: %s\n", gnutls_strerror(ret));
ret = gnutls_certificate_set_x509_trust_mem(clicred, &ca3_cert, GNUTLS_X509_FMT_PEM);
if (ret < 0) {
fail("error in setting trust cert: %s\n", gnutls_strerror(ret));
}
t = gnutls_certificate_get_ocsp_expiration(clicred, 0, 0, 0);
if (t != 1509625639)
fail("error in OCSP validity time: %ld\n", (long int)t);
t = gnutls_certificate_get_ocsp_expiration(clicred, 0, 1, 0);
if (t != 1509625639)
fail("error in OCSP validity time: %ld\n", (long int)t);
t = gnutls_certificate_get_ocsp_expiration(clicred, 0, -1, 0);
if (t != 1509625639)
fail("error in OCSP validity time: %ld\n", (long int)t);
#define PRIO "NORMAL:-ECDHE-ECDSA:-VERS-TLS-ALL:+VERS-TLS1.3"
_test_cli_serv(xcred, clicred, PRIO, PRIO, "localhost", &ocsp_ca3_localhost_unknown, check_cli,
check_serv, 0, 1, 0, 0);
gnutls_certificate_free_credentials(xcred);
gnutls_certificate_free_credentials(clicred);
gnutls_global_deinit();
remove(ocspfile1);
remove(certfile1);
}
#else
void doit(void)
{
exit(77);
}
#endif
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