112 lines
2.8 KiB
C
Executable file
112 lines
2.8 KiB
C
Executable file
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
|
|
*/
|
|
|
|
#ifdef DEBUG
|
|
bool __init wg_packet_counter_selftest(void)
|
|
{
|
|
struct noise_replay_counter *counter;
|
|
unsigned int test_num = 0, i;
|
|
bool success = true;
|
|
|
|
counter = kmalloc(sizeof(*counter), GFP_KERNEL);
|
|
if (unlikely(!counter)) {
|
|
pr_err("nonce counter self-test malloc: FAIL\n");
|
|
return false;
|
|
}
|
|
|
|
#define T_INIT do { \
|
|
memset(counter, 0, sizeof(*counter)); \
|
|
spin_lock_init(&counter->lock); \
|
|
} while (0)
|
|
#define T_LIM (COUNTER_WINDOW_SIZE + 1)
|
|
#define T(n, v) do { \
|
|
++test_num; \
|
|
if (counter_validate(counter, n) != (v)) { \
|
|
pr_err("nonce counter self-test %u: FAIL\n", \
|
|
test_num); \
|
|
success = false; \
|
|
} \
|
|
} while (0)
|
|
|
|
T_INIT;
|
|
/* 1 */ T(0, true);
|
|
/* 2 */ T(1, true);
|
|
/* 3 */ T(1, false);
|
|
/* 4 */ T(9, true);
|
|
/* 5 */ T(8, true);
|
|
/* 6 */ T(7, true);
|
|
/* 7 */ T(7, false);
|
|
/* 8 */ T(T_LIM, true);
|
|
/* 9 */ T(T_LIM - 1, true);
|
|
/* 10 */ T(T_LIM - 1, false);
|
|
/* 11 */ T(T_LIM - 2, true);
|
|
/* 12 */ T(2, true);
|
|
/* 13 */ T(2, false);
|
|
/* 14 */ T(T_LIM + 16, true);
|
|
/* 15 */ T(3, false);
|
|
/* 16 */ T(T_LIM + 16, false);
|
|
/* 17 */ T(T_LIM * 4, true);
|
|
/* 18 */ T(T_LIM * 4 - (T_LIM - 1), true);
|
|
/* 19 */ T(10, false);
|
|
/* 20 */ T(T_LIM * 4 - T_LIM, false);
|
|
/* 21 */ T(T_LIM * 4 - (T_LIM + 1), false);
|
|
/* 22 */ T(T_LIM * 4 - (T_LIM - 2), true);
|
|
/* 23 */ T(T_LIM * 4 + 1 - T_LIM, false);
|
|
/* 24 */ T(0, false);
|
|
/* 25 */ T(REJECT_AFTER_MESSAGES, false);
|
|
/* 26 */ T(REJECT_AFTER_MESSAGES - 1, true);
|
|
/* 27 */ T(REJECT_AFTER_MESSAGES, false);
|
|
/* 28 */ T(REJECT_AFTER_MESSAGES - 1, false);
|
|
/* 29 */ T(REJECT_AFTER_MESSAGES - 2, true);
|
|
/* 30 */ T(REJECT_AFTER_MESSAGES + 1, false);
|
|
/* 31 */ T(REJECT_AFTER_MESSAGES + 2, false);
|
|
/* 32 */ T(REJECT_AFTER_MESSAGES - 2, false);
|
|
/* 33 */ T(REJECT_AFTER_MESSAGES - 3, true);
|
|
/* 34 */ T(0, false);
|
|
|
|
T_INIT;
|
|
for (i = 1; i <= COUNTER_WINDOW_SIZE; ++i)
|
|
T(i, true);
|
|
T(0, true);
|
|
T(0, false);
|
|
|
|
T_INIT;
|
|
for (i = 2; i <= COUNTER_WINDOW_SIZE + 1; ++i)
|
|
T(i, true);
|
|
T(1, true);
|
|
T(0, false);
|
|
|
|
T_INIT;
|
|
for (i = COUNTER_WINDOW_SIZE + 1; i-- > 0;)
|
|
T(i, true);
|
|
|
|
T_INIT;
|
|
for (i = COUNTER_WINDOW_SIZE + 2; i-- > 1;)
|
|
T(i, true);
|
|
T(0, false);
|
|
|
|
T_INIT;
|
|
for (i = COUNTER_WINDOW_SIZE + 1; i-- > 1;)
|
|
T(i, true);
|
|
T(COUNTER_WINDOW_SIZE + 1, true);
|
|
T(0, false);
|
|
|
|
T_INIT;
|
|
for (i = COUNTER_WINDOW_SIZE + 1; i-- > 1;)
|
|
T(i, true);
|
|
T(0, true);
|
|
T(COUNTER_WINDOW_SIZE + 1, true);
|
|
|
|
#undef T
|
|
#undef T_LIM
|
|
#undef T_INIT
|
|
|
|
if (success)
|
|
pr_info("nonce counter self-tests: pass\n");
|
|
kfree(counter);
|
|
return success;
|
|
}
|
|
#endif
|