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/*
* Copyright (C) 2016-2017 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>
#include <assert.h>
#ifdef ENABLE_OCSP
#include "ocsp-common.h"
#include "cert-common.h"
#include "utils.h"
/* Tests whether we can send and receive multiple OCSP responses
* one for each certificate in a chain under TLS 1.3.
*/
static time_t mytime(time_t *t)
{
time_t then = 1469186559;
if (t)
*t = then;
return then;
}
static const gnutls_datum_t ocsp_resp_localhost[] = {
{ (void *)_ocsp_ca3_localhost_unknown,
sizeof(_ocsp_ca3_localhost_unknown) },
{ NULL, 0 }
};
static const gnutls_datum_t ocsp_resp_localhost6[] = {
{ (void *)_ocsp_ca3_localhost6_unknown,
sizeof(_ocsp_ca3_localhost6_unknown) },
{ (void *)_ocsp_subca3_unknown, sizeof(_ocsp_subca3_unknown) }
};
typedef struct ctx_st {
const char *name;
const gnutls_datum_t *ocsp;
unsigned nocsp;
} ctx_st;
static ctx_st test_localhost = { "single response", ocsp_resp_localhost, 1 };
static ctx_st test_localhost6 = { "two responses", ocsp_resp_localhost6, 2 };
#define myfail(fmt, ...) fail("%s: " fmt, test->name, ##__VA_ARGS__)
static void check_response(gnutls_session_t session, void *priv)
{
int ret;
gnutls_datum_t resp;
ctx_st *test = priv;
unsigned i;
assert(test != NULL);
for (i = 0;; i++) {
ret = gnutls_ocsp_status_request_get2(session, i, &resp);
if (ret == GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE)
break;
if (ret < 0) {
if (test->ocsp[i].size == 0)
return;
myfail("no response was received\n");
}
if (test->ocsp[i].size == 0) {
myfail("not expected response, but received one\n");
}
if (resp.size != test->ocsp[i].size) {
myfail("did not receive the expected response size for %d\n",
i);
}
if (memcmp(resp.data, test->ocsp[i].data, resp.size) != 0) {
myfail("did not receive the expected response for %d\n",
i);
}
}
if (i != test->nocsp) {
myfail("The number of OCSP responses received (%d) does not match the expected (%d)\n",
i, test->nocsp);
}
}
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 *certfile2;
char certname1[TMPNAME_SIZE];
char certname2[TMPNAME_SIZE];
FILE *fp;
unsigned index1, index2; /* indexes of certs */
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);
/* set cert with localhost name */
certfile1 = get_tmpname(certname1);
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));
index1 = ret;
/* set cert with localhost6 name */
certfile2 = get_tmpname(certname2);
fp = fopen(certfile2, "wb");
if (fp == NULL)
fail("error in fopen\n");
assert(fwrite(server_localhost6_ca3_cert_chain_pem, 1,
strlen(server_localhost6_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, certfile2, certfile2, GNUTLS_X509_FMT_PEM, NULL, 0);
if (ret < 0)
fail("set_x509_key_file failed: %s\n", gnutls_strerror(ret));
index2 = ret;
/* set OCSP response1 */
ret = gnutls_certificate_set_ocsp_status_request_mem(
xcred, &test_localhost.ocsp[0], index1, GNUTLS_X509_FMT_DER);
if (ret < 0)
fail("ocsp file set failed: %s\n", gnutls_strerror(ret));
/* set OCSP response2 */
ret = gnutls_certificate_set_ocsp_status_request_mem(
xcred, &test_localhost6.ocsp[0], index2, GNUTLS_X509_FMT_DER);
if (ret < 0)
fail("ocsp file set failed: %s\n", gnutls_strerror(ret));
ret = gnutls_certificate_set_ocsp_status_request_mem(
xcred, &test_localhost6.ocsp[1], index2, GNUTLS_X509_FMT_DER);
if (ret < 0)
fail("ocsp file set failed: %s\n", gnutls_strerror(ret));
/* make sure that our invalid OCSP responses are not considered in verification
*/
gnutls_certificate_set_verify_flags(clicred,
GNUTLS_VERIFY_DISABLE_CRL_CHECKS);
if (gnutls_certificate_get_verify_flags(clicred) !=
GNUTLS_VERIFY_DISABLE_CRL_CHECKS)
fail("error in gnutls_certificate_set_verify_flags\n");
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));
}
test_cli_serv(xcred, clicred, "NORMAL:-VERS-TLS-ALL:+VERS-TLS1.3",
"localhost", &test_localhost, check_response, NULL);
test_cli_serv(xcred, clicred, "NORMAL:-VERS-TLS-ALL:+VERS-TLS1.3",
"localhost6", &test_localhost6, check_response, NULL);
gnutls_certificate_free_credentials(xcred);
gnutls_certificate_free_credentials(clicred);
gnutls_global_deinit();
remove(certfile1);
remove(certfile2);
}
#else
void doit(void)
{
exit(77);
}
#endif
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