/*
* Copyright (C) 2015 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 <string.h>
#include <errno.h>
#include <assert.h>
#include <gnutls/gnutls.h>
#include <gnutls/abstract.h>
#include <gnutls/x509.h>
#include "utils.h"
#include "eagain-common.h"
#include "cert-common.h"
/* This tests gnutls_certificate_set_x509_key() */
const char *side;
static void tls_log_func(int level, const char *str)
{
fprintf(stderr, "%s|<%d>| %s", side, level, str);
}
static gnutls_privkey_t g_pkey = NULL;
static gnutls_pcert_st *g_pcert = NULL;
static int
cert_callback(gnutls_session_t session,
const gnutls_datum_t * req_ca_rdn, int nreqs,
const gnutls_pk_algorithm_t * sign_algos,
int sign_algos_length, gnutls_pcert_st ** pcert,
unsigned int *pcert_length, gnutls_privkey_t * pkey)
{
int ret;
gnutls_pcert_st *p;
gnutls_privkey_t lkey;
gnutls_x509_crt_t *certs;
unsigned certs_size, i;
if (gnutls_certificate_client_get_request_status(session) == 0) {
fail("gnutls_certificate_client_get_request_status failed\n");
return -1;
}
if (g_pkey == NULL) {
p = gnutls_malloc(2 * sizeof(*p));
if (p == NULL)
return -1;
ret = gnutls_x509_crt_list_import2(&certs, &certs_size,
&cli_ca3_cert_chain,
GNUTLS_X509_FMT_PEM, 0);
if (ret < 0)
return -1;
ret = gnutls_pcert_import_x509_list(p, certs, &certs_size, 0);
if (ret < 0)
return -1;
for (i = 0; i < certs_size; i++)
gnutls_x509_crt_deinit(certs[i]);
gnutls_free(certs);
ret = gnutls_privkey_init(&lkey);
if (ret < 0)
return -1;
ret =
gnutls_privkey_import_x509_raw(lkey, &cli_ca3_key,
GNUTLS_X509_FMT_PEM, NULL,
0);
if (ret < 0)
return -1;
g_pcert = p;
g_pkey = lkey;
*pcert = p;
*pcert_length = 2;
*pkey = lkey;
} else {
*pcert = g_pcert;
*pcert_length = 2;
if (gnutls_certificate_client_get_request_status(session) == 0) {
fail("gnutls_certificate_client_get_request_status failed\n");
return -1;
}
*pkey = g_pkey;
}
return 0;
}
static gnutls_privkey_t server_pkey = NULL;
static gnutls_pcert_st *server_pcert = NULL;
static int
server_cert_callback(gnutls_session_t session,
const gnutls_datum_t * req_ca_rdn, int nreqs,
const gnutls_pk_algorithm_t * sign_algos,
int sign_algos_length, gnutls_pcert_st ** pcert,
unsigned int *pcert_length, gnutls_privkey_t * pkey)
{
int ret;
gnutls_pcert_st *p;
gnutls_privkey_t lkey;
gnutls_x509_crt_t *certs;
unsigned certs_size, i;
if (server_pkey == NULL) {
p = gnutls_malloc(2 * sizeof(*p));
if (p == NULL)
return -1;
ret = gnutls_x509_crt_list_import2(&certs, &certs_size,
&server_ca3_localhost_cert_chain,
GNUTLS_X509_FMT_PEM, 0);
if (ret < 0)
return -1;
ret = gnutls_pcert_import_x509_list(p, certs, &certs_size, 0);
if (ret < 0)
return -1;
for (i = 0; i < certs_size; i++)
gnutls_x509_crt_deinit(certs[i]);
gnutls_free(certs);
ret = gnutls_privkey_init(&lkey);
if (ret < 0)
return -1;
ret =
gnutls_privkey_import_x509_raw(lkey, &server_ca3_key,
GNUTLS_X509_FMT_PEM, NULL,
0);
if (ret < 0)
return -1;
server_pcert = p;
server_pkey = lkey;
*pcert = p;
*pcert_length = 2;
*pkey = lkey;
} else {
*pcert = server_pcert;
*pcert_length = 2;
*pkey = server_pkey;
}
return 0;
}
static void start(const char *prio)
{
int ret;
/* Server stuff. */
gnutls_certificate_credentials_t serverx509cred;
gnutls_session_t server;
int sret = GNUTLS_E_AGAIN;
/* Client stuff. */
gnutls_certificate_credentials_t clientx509cred;
gnutls_session_t client;
int cret = GNUTLS_E_AGAIN;
success("testing %s\n", prio);
/* General init. */
global_init();
gnutls_global_set_log_function(tls_log_func);
if (debug)
gnutls_global_set_log_level(2);
/* Init server */
gnutls_certificate_allocate_credentials(&serverx509cred);
gnutls_certificate_set_retrieve_function2(serverx509cred,
server_cert_callback);
gnutls_init(&server, GNUTLS_SERVER);
gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE, serverx509cred);
assert(gnutls_priority_set_direct(server,
prio, NULL) >= 0);
gnutls_transport_set_push_function(server, server_push);
gnutls_transport_set_pull_function(server, server_pull);
gnutls_transport_set_ptr(server, server);
gnutls_certificate_server_set_request(server, GNUTLS_CERT_REQUEST);
/* Init client */
/* Init client */
ret = gnutls_certificate_allocate_credentials(&clientx509cred);
if (ret < 0)
exit(1);
ret =
gnutls_certificate_set_x509_trust_mem(clientx509cred, &ca3_cert,
GNUTLS_X509_FMT_PEM);
if (ret < 0)
exit(1);
gnutls_certificate_set_retrieve_function2(clientx509cred,
cert_callback);
ret = gnutls_init(&client, GNUTLS_CLIENT);
if (ret < 0)
exit(1);
ret = gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE,
clientx509cred);
if (ret < 0)
exit(1);
assert(gnutls_priority_set_direct(client, prio, NULL)>=0);
gnutls_transport_set_push_function(client, client_push);
gnutls_transport_set_pull_function(client, client_pull);
gnutls_transport_set_ptr(client, client);
HANDSHAKE(client, server);
if (gnutls_certificate_get_ours(client) == NULL) {
fail("client certificate was not sent!\n");
exit(1);
}
/* check gnutls_certificate_get_ours() - server side */
{
const gnutls_datum_t *mcert;
gnutls_datum_t scert;
gnutls_x509_crt_t crt;
mcert = gnutls_certificate_get_ours(server);
if (mcert == NULL) {
fail("gnutls_certificate_get_ours(): failed\n");
exit(1);
}
gnutls_x509_crt_init(&crt);
ret =
gnutls_x509_crt_import(crt, &server_ca3_localhost_cert,
GNUTLS_X509_FMT_PEM);
if (ret < 0) {
fail("gnutls_x509_crt_import: %s\n",
gnutls_strerror(ret));
exit(1);
}
ret = gnutls_x509_crt_export2(crt, GNUTLS_X509_FMT_DER, &scert);
if (ret < 0) {
fail("gnutls_x509_crt_export2: %s\n",
gnutls_strerror(ret));
exit(1);
}
gnutls_x509_crt_deinit(crt);
if (scert.size != mcert->size
|| memcmp(scert.data, mcert->data, mcert->size) != 0) {
fail("gnutls_certificate_get_ours output doesn't match cert\n");
exit(1);
}
gnutls_free(scert.data);
}
/* check gnutls_certificate_get_ours() - client side */
{
const gnutls_datum_t *mcert;
gnutls_datum_t ccert;
gnutls_x509_crt_t crt;
mcert = gnutls_certificate_get_ours(client);
if (mcert == NULL) {
fail("gnutls_certificate_get_ours(): failed\n");
exit(1);
}
gnutls_x509_crt_init(&crt);
ret =
gnutls_x509_crt_import(crt, &cli_ca3_cert,
GNUTLS_X509_FMT_PEM);
if (ret < 0) {
fail("gnutls_x509_crt_import: %s\n",
gnutls_strerror(ret));
exit(1);
}
ret = gnutls_x509_crt_export2(crt, GNUTLS_X509_FMT_DER, &ccert);
if (ret < 0) {
fail("gnutls_x509_crt_export2: %s\n",
gnutls_strerror(ret));
exit(1);
}
gnutls_x509_crt_deinit(crt);
if (ccert.size != mcert->size
|| memcmp(ccert.data, mcert->data, mcert->size) != 0) {
fail("gnutls_certificate_get_ours output doesn't match cert\n");
exit(1);
}
gnutls_free(ccert.data);
}
/* check the number of certificates received */
{
unsigned cert_list_size = 0;
gnutls_typed_vdata_st data[2];
unsigned status;
memset(data, 0, sizeof(data));
/* check with wrong hostname */
data[0].type = GNUTLS_DT_DNS_HOSTNAME;
data[0].data = (void *)"localhost1";
data[1].type = GNUTLS_DT_KEY_PURPOSE_OID;
data[1].data = (void *)GNUTLS_KP_TLS_WWW_SERVER;
gnutls_certificate_get_peers(client, &cert_list_size);
if (cert_list_size != 2) {
fprintf(stderr, "received a certificate list of %d!\n",
cert_list_size);
exit(1);
}
ret = gnutls_certificate_verify_peers(client, data, 2, &status);
if (ret < 0) {
fprintf(stderr, "could not verify certificate: %s\n",
gnutls_strerror(ret));
exit(1);
}
if (status == 0) {
fprintf(stderr, "should not have accepted!\n");
exit(1);
}
/* check with wrong purpose */
data[0].type = GNUTLS_DT_DNS_HOSTNAME;
data[0].data = (void *)"localhost";
data[1].type = GNUTLS_DT_KEY_PURPOSE_OID;
data[1].data = (void *)GNUTLS_KP_TLS_WWW_CLIENT;
gnutls_certificate_get_peers(client, &cert_list_size);
if (cert_list_size != 2) {
fprintf(stderr, "received a certificate list of %d!\n",
cert_list_size);
exit(1);
}
ret = gnutls_certificate_verify_peers(client, data, 2, &status);
if (ret < 0) {
fprintf(stderr, "could not verify certificate: %s\n",
gnutls_strerror(ret));
exit(1);
}
if (status == 0) {
fprintf(stderr, "should not have accepted!\n");
exit(1);
}
/* check with correct purpose */
data[0].type = GNUTLS_DT_DNS_HOSTNAME;
data[0].data = (void *)"localhost";
data[1].type = GNUTLS_DT_KEY_PURPOSE_OID;
data[1].data = (void *)GNUTLS_KP_TLS_WWW_SERVER;
ret = gnutls_certificate_verify_peers(client, data, 2, &status);
if (ret < 0) {
fprintf(stderr, "could not verify certificate: %s\n",
gnutls_strerror(ret));
exit(1);
}
if (status != 0) {
fprintf(stderr, "could not verify certificate: %.4x\n",
status);
exit(1);
}
}
if (gnutls_certificate_client_get_request_status(client) == 0) {
fail("gnutls_certificate_client_get_request_status - 2 failed\n");
exit(1);
}
gnutls_bye(client, GNUTLS_SHUT_RDWR);
gnutls_bye(server, GNUTLS_SHUT_RDWR);
gnutls_deinit(client);
gnutls_deinit(server);
gnutls_certificate_free_credentials(serverx509cred);
gnutls_certificate_free_credentials(clientx509cred);
gnutls_global_deinit();
reset_buffers();
}
void doit(void)
{
start("NORMAL:-VERS-TLS-ALL:+VERS-TLS1.3");
start("NORMAL:-VERS-TLS-ALL:+VERS-TLS1.2");
start("NORMAL:-VERS-TLS-ALL:+VERS-TLS1.1");
start("NORMAL");
}