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/*
* Copyright (C) 2018 Nikos Mavrogiannopoulos
*
* 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 <http://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 "utils.h"
#include "eagain-common.h"
#include "cert-common.h"
const char *side;
static gnutls_datum_t test_id = { (void*)"\xff\xff\xff\xff\xff\xff", 6 };
static void tls_log_func(int level, const char *str)
{
fprintf(stderr, "%s|<%d>| %s", side, level, str);
}
static gnutls_datum_t dbdata = {NULL, 0};
static int
wrap_db_store(void *dbf, gnutls_datum_t key, gnutls_datum_t data)
{
unsigned *try_resume = dbf;
assert(dbdata.data == NULL);
if (!(*try_resume))
return 0;
dbdata.data = gnutls_malloc(data.size);
assert(dbdata.data != NULL);
memcpy(dbdata.data, data.data, data.size);
dbdata.size = data.size;
return 0;
}
static gnutls_datum_t wrap_db_fetch(void *dbf, gnutls_datum_t key)
{
unsigned *try_resume = dbf;
gnutls_datum_t r = {NULL, 0};
if (key.size != test_id.size || memcmp(test_id.data, key.data, test_id.size) != 0)
fail("received ID does not match the expected\n");
if (!(*try_resume))
return r;
r.data = gnutls_malloc(dbdata.size);
assert(r.data != NULL);
memcpy(r.data, dbdata.data, dbdata.size);
r.size = dbdata.size;
return r;
}
static int wrap_db_delete(void *dbf, gnutls_datum_t key)
{
return 0;
}
static void start(const char *test, unsigned try_resume)
{
int ret;
gnutls_certificate_credentials_t serverx509cred;
gnutls_session_t server;
int sret = GNUTLS_E_AGAIN;
gnutls_certificate_credentials_t clientx509cred;
gnutls_session_t client;
int cret = GNUTLS_E_AGAIN;
gnutls_datum_t data;
char buf[128];
success("%s\n", test);
reset_buffers();
gnutls_global_set_log_function(tls_log_func);
if (debug)
gnutls_global_set_log_level(6);
assert(gnutls_certificate_allocate_credentials(&serverx509cred)>=0);
assert(gnutls_certificate_set_x509_key_mem(serverx509cred,
&server_cert, &server_key,
GNUTLS_X509_FMT_PEM)>=0);
assert(gnutls_init(&server, GNUTLS_SERVER)>=0);
gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE,
serverx509cred);
gnutls_set_default_priority(server);
gnutls_transport_set_push_function(server, server_push);
gnutls_transport_set_pull_function(server, server_pull);
gnutls_transport_set_ptr(server, server);
gnutls_db_set_retrieve_function(server, wrap_db_fetch);
gnutls_db_set_remove_function(server, wrap_db_delete);
gnutls_db_set_store_function(server, wrap_db_store);
gnutls_db_set_ptr(server, &try_resume);
assert(gnutls_certificate_allocate_credentials(&clientx509cred)>=0);
assert(gnutls_certificate_set_x509_trust_mem(clientx509cred, &ca_cert, GNUTLS_X509_FMT_PEM)>=0);
assert(gnutls_init(&client, GNUTLS_CLIENT)>=0);
assert(gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE,
clientx509cred)>=0);
assert(gnutls_priority_set_direct(client, "NORMAL:-VERS-ALL:+VERS-TLS1.2", NULL)>=0);
gnutls_transport_set_push_function(client, client_push);
gnutls_transport_set_pull_function(client, client_pull);
gnutls_transport_set_ptr(client, client);
memset(buf, 0, sizeof(buf));
ret = gnutls_session_set_data(client, buf, sizeof(buf));
if (ret != GNUTLS_E_DB_ERROR) {
fail("unexpected error: %s\n", gnutls_strerror(ret));
}
HANDSHAKE(client, server);
ret = gnutls_session_get_data2(client, &data);
if (ret != 0) {
fail("unexpected error: %s\n", gnutls_strerror(ret));
}
gnutls_deinit(client);
gnutls_deinit(server);
assert(gnutls_init(&server, GNUTLS_SERVER)>=0);
gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE,
serverx509cred);
gnutls_set_default_priority(server);
gnutls_transport_set_push_function(server, server_push);
gnutls_transport_set_pull_function(server, server_pull);
gnutls_transport_set_ptr(server, server);
gnutls_db_set_retrieve_function(server, wrap_db_fetch);
gnutls_db_set_remove_function(server, wrap_db_delete);
gnutls_db_set_store_function(server, wrap_db_store);
gnutls_db_set_ptr(server, &try_resume);
assert(gnutls_init(&client, GNUTLS_CLIENT)>=0);
assert(gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE,
clientx509cred)>=0);
assert(gnutls_priority_set_direct(client, "NORMAL:-VERS-ALL:+VERS-TLS1.2", NULL)>=0);
gnutls_transport_set_push_function(client, client_push);
gnutls_transport_set_pull_function(client, client_pull);
gnutls_transport_set_ptr(client, client);
memset(buf, 0, sizeof(buf));
ret = gnutls_session_set_id(client, &test_id);
if (ret != 0) {
fail("unexpected error: %s\n", gnutls_strerror(ret));
}
gnutls_free(data.data);
if (try_resume) {
HANDSHAKE_EXPECT(client, server, GNUTLS_E_UNEXPECTED_PACKET, GNUTLS_E_AGAIN);
} else {
HANDSHAKE(client, server);
}
assert(gnutls_session_resumption_requested(client) == 0);
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_free(dbdata.data);
dbdata.data = NULL;
dbdata.size = 0;
}
void doit(void)
{
start("functional: see if session ID is sent", 0);
start("negative: see if the expected error is seen on client side", 1);
}
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