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/*
* Copyright (C) 2012 Free Software Foundation, Inc.
* Copyright (C) 2012-2015 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 General Public License
* along with GnuTLS. 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 <gnutls/gnutls.h>
#include "utils.h"
static void try_prio(const char *prio, unsigned expected_cs,
unsigned expected_ciphers, unsigned line)
{
int ret;
gnutls_priority_t p;
const char *err;
const unsigned int *t;
unsigned i, si, count = 0;
/* this must be called once in the program
*/
global_init();
ret = gnutls_priority_init(&p, prio, &err);
if (ret < 0) {
fprintf(stderr, "error: %s: %s\n", gnutls_strerror(ret), err);
exit(1);
}
for (i = 0;; i++) {
ret = gnutls_priority_get_cipher_suite_index(p, i, &si);
if (ret == GNUTLS_E_UNKNOWN_CIPHER_SUITE)
continue;
else if (ret == GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE)
break;
else if (ret == 0) {
count++;
/* fprintf(stderr, "%s\n", gnutls_cipher_suite_info(si, NULL, NULL, NULL, NULL, NULL)); */
}
}
ret = gnutls_priority_cipher_list(p, &t);
if ((unsigned)ret != expected_ciphers) {
#if 0
for (i = 0; i < ret; i++)
fprintf(stderr, "%s\n", gnutls_cipher_get_name(t[i]));
#endif
fail("%s:%d: expected %d ciphers, found %d\n", prio, line,
expected_ciphers, ret);
exit(1);
}
gnutls_priority_deinit(p);
/* fprintf(stderr, "count: %d\n", count); */
if (debug)
success("finished: %s\n", prio);
if (count != expected_cs) {
fail("%s:%d: expected %d ciphersuites, found %d\n", prio, line,
expected_cs, count);
exit(1);
}
}
static void try_prio_err(const char *prio, int err)
{
int ret;
gnutls_priority_t p;
ret = gnutls_priority_init(&p, prio, NULL);
if (ret < 0 && ret != err) {
fprintf(stderr, "error: %s\n", gnutls_strerror(ret));
exit(1);
}
if (ret >= 0)
gnutls_priority_deinit(p);
if (debug)
success("finished: %s\n", prio);
}
void doit(void)
{
const int null = 3;
int sec128_cs = 29;
int sec256_cs = 12;
int normal_cs = 29;
int pfs_cs = 23;
int null_normal_cs = 28; /* disables TLS1.3 CS */
int normal_ciphers = 7;
if (gnutls_fips140_mode_enabled()) {
normal_cs = 25;
normal_ciphers = 6;
pfs_cs = 25;
sec256_cs = 8;
sec128_cs = 25;
}
try_prio("NORMAL", normal_cs, normal_ciphers, __LINE__);
try_prio("NORMAL:-MAC-ALL:+MD5:+MAC-ALL", normal_cs, normal_ciphers,
__LINE__);
if (!gnutls_fips140_mode_enabled()) {
try_prio("PFS", pfs_cs, normal_ciphers, __LINE__);
try_prio("NORMAL:+CIPHER-ALL", normal_cs, 7,
__LINE__); /* all (except null) */
try_prio("NORMAL:-CIPHER-ALL:+NULL", null, 1,
__LINE__); /* null */
try_prio("NORMAL:-CIPHER-ALL:+NULL:+CIPHER-ALL", null_normal_cs,
8, __LINE__); /* should be null + all */
try_prio(
"NORMAL:-CIPHER-ALL:+NULL:+CIPHER-ALL:-CIPHER-ALL:+AES-128-CBC",
4, 1, __LINE__); /* should be null + all */
#ifdef ENABLE_GOST
try_prio("NONE:+VERS-TLS1.2:+GOST", 1, 1, __LINE__);
#endif
}
try_prio("PERFORMANCE", normal_cs, normal_ciphers, __LINE__);
try_prio("SECURE256", sec256_cs, 4, __LINE__);
try_prio("SECURE128", sec128_cs, 7, __LINE__);
try_prio("SECURE128:+SECURE256", sec128_cs, 7,
__LINE__); /* should be the same as SECURE128 */
try_prio("SECURE128:+SECURE256:+NORMAL", normal_cs, 7,
__LINE__); /* should be the same as NORMAL */
try_prio("SUITEB192", 1, 1, __LINE__);
try_prio("SUITEB128", 2, 2, __LINE__);
/* check legacy strings */
try_prio("NORMAL:+RSA-EXPORT:+ARCFOUR-40", normal_cs, normal_ciphers,
__LINE__);
try_prio_err(
"NORMAL:-VERS-ALL:+VERS-TLS1.2:-SIGN-ALL:+SIGN-ECDSA-SECP256R1-SHA256",
GNUTLS_E_NO_PRIORITIES_WERE_SET);
try_prio_err("NORMAL:-VERS-ALL:+VERS-TLS1.2:-SIGN-ALL",
GNUTLS_E_NO_PRIORITIES_WERE_SET);
try_prio_err("NORMAL:-VERS-ALL:+VERS-DTLS1.2:-SIGN-ALL",
GNUTLS_E_NO_PRIORITIES_WERE_SET);
}
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