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/*
*
* Wireless daemon for Linux
*
* Copyright (C) 2023 Cruise LLC. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <ell/ell.h>
#include "src/module.h"
#include "src/util.h"
#include "src/pmksa.h"
static bool verbose = false;
static struct l_settings *config;
extern struct iwd_module_desc __start___iwd_module[];
extern struct iwd_module_desc __stop___iwd_module[];
/* There's a single module compiled in, so it will be the pmksa one */
static struct iwd_module_desc *pmksa = __start___iwd_module;
static void print_cache()
{
uint32_t used;
struct pmksa **entries = __pmksa_cache_get_all(&used);
uint32_t i;
for (i = 0; i < used; i++) {
struct pmksa *pmksa = entries[i];
fprintf(stderr, "%02u aa "MAC" spa "MAC" expiration: %"
PRIu64"\n", i,
MAC_STR(pmksa->aa), MAC_STR(pmksa->spa),
pmksa->expiration);
}
}
static struct pmksa *make_pmksa()
{
static uint32_t counter = 0xabcdef00;
struct pmksa *pmksa = l_new(struct pmksa, 1);
memcpy(pmksa->aa, &counter, sizeof(counter));
counter += 1;
memcpy(pmksa->spa, &counter, sizeof(counter));
counter += 1;
pmksa->ssid_len = 6;
pmksa->ssid[0] = 'F';
pmksa->ssid[1] = 'o';
pmksa->ssid[2] = 'o';
pmksa->ssid[3] = 'b';
pmksa->ssid[4] = 'a';
pmksa->ssid[5] = 'r';
pmksa->akm = 0x4;
return pmksa;
}
static void test_pmksa(const void *data)
{
struct pmksa *p;
struct pmksa **entries;
uint32_t used;
config = l_settings_new();
l_settings_set_uint(config, "PMKSA", "Capacity", 7);
__pmksa_set_config(config);
pmksa->init();
p = make_pmksa();
p->expiration = 20;
assert(!pmksa_cache_put(p));
p = make_pmksa();
p->expiration = 15;
assert(!pmksa_cache_put(p));
p = make_pmksa();
p->expiration = 32;
assert(!pmksa_cache_put(p));
p = make_pmksa();
p->expiration = 48;
assert(!pmksa_cache_put(p));
p = make_pmksa();
p->expiration = 102;
assert(!pmksa_cache_put(p));
p = make_pmksa();
p->expiration = 55;
assert(!pmksa_cache_put(p));
p = make_pmksa();
p->expiration = 41;
assert(!pmksa_cache_put(p));
p = make_pmksa();
p->expiration = 66;
assert(!pmksa_cache_put(p));
if (verbose)
print_cache();
entries = __pmksa_cache_get_all(&used);
assert(used == 7);
assert(entries[0]->expiration == 20);
/* Reverse spa and aa */
p = pmksa_cache_get(entries[0]->aa, entries[0]->spa,
entries[0]->ssid, entries[0]->ssid_len,
0xff);
assert(!p);
p = pmksa_cache_get(entries[0]->spa, entries[0]->aa,
entries[0]->ssid, entries[0]->ssid_len,
0xff);
assert(p);
l_free(p);
entries = __pmksa_cache_get_all(&used);
assert(used == 6);
assert(entries[0]->expiration == 32);
assert(pmksa_cache_expire(48) == 3);
entries = __pmksa_cache_get_all(&used);
assert(used == 3);
assert(entries[0]->expiration == 55);
pmksa->exit();
l_settings_free(config);
}
int main(int argc, char *argv[])
{
l_test_init(&argc, &argv);
l_test_add("PMKSA/basics", test_pmksa, NULL);
return l_test_run();
}
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