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/* Copyright 2023 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "common.h"
#include "ec_commands.h"
#include "system.h"
#include "task.h"
#include "test_util.h"
#ifdef SECTION_IS_RW
#include "fpsensor_state.h"
#endif
#include <stdint.h>
#include <string.h>
test_static const uint8_t default_fake_tpm_seed[] = {
0xd9, 0x71, 0xaf, 0xc4, 0xcd, 0x36, 0xe3, 0x60, 0xf8, 0x5a, 0xa0,
0xa6, 0x2c, 0xb3, 0xf5, 0xe2, 0xeb, 0xb9, 0xd8, 0x2f, 0xb5, 0x78,
0x5c, 0x79, 0x82, 0xce, 0x06, 0x3f, 0xcc, 0x23, 0xb9, 0xe7,
};
test_static const uint8_t zero_fake_tpm_seed[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
#ifdef SECTION_IS_RO
test_static uint8_t tpm_seed[FP_CONTEXT_TPM_BYTES];
#endif
test_static int test_tpm_seed_before_reboot(void)
{
if (IS_ENABLED(SECTION_IS_RW)) {
TEST_ASSERT_ARRAY_EQ(tpm_seed, zero_fake_tpm_seed,
FP_CONTEXT_TPM_BYTES);
memcpy(tpm_seed, default_fake_tpm_seed, FP_CONTEXT_TPM_BYTES);
TEST_ASSERT_ARRAY_EQ(tpm_seed, default_fake_tpm_seed,
FP_CONTEXT_TPM_BYTES);
}
return EC_SUCCESS;
}
test_static int test_tpm_seed_after_reboot(void)
{
if (IS_ENABLED(SECTION_IS_RW)) {
TEST_ASSERT_ARRAY_EQ(tpm_seed, zero_fake_tpm_seed,
FP_CONTEXT_TPM_BYTES);
}
return EC_SUCCESS;
}
test_static void run_test_step1(void)
{
ccprints("Step 1: tpm_seed_clear\n");
cflush();
RUN_TEST(test_tpm_seed_before_reboot);
if (test_get_error_count()) {
test_reboot_to_next_step(TEST_STATE_FAILED);
} else {
test_reboot_to_next_step(TEST_STATE_STEP_2);
}
}
test_static void run_test_step2(void)
{
ccprints("Step 2: tpm_seed_clear\n");
cflush();
RUN_TEST(test_tpm_seed_after_reboot);
if (test_get_error_count()) {
test_reboot_to_next_step(TEST_STATE_FAILED);
} else {
test_reboot_to_next_step(TEST_STATE_PASSED);
}
}
void test_run_step(uint32_t state)
{
if (state & TEST_STATE_MASK(TEST_STATE_STEP_1)) {
run_test_step1();
} else if (state & TEST_STATE_MASK(TEST_STATE_STEP_2)) {
run_test_step2();
}
}
int task_test(void *unused)
{
if (IS_ENABLED(SECTION_IS_RW))
test_run_multistep();
return EC_SUCCESS;
}
void run_test(int argc, const char **argv)
{
test_reset();
msleep(100); /* Wait for TASK_ID_TEST to initialize */
task_wake(TASK_ID_TEST);
}
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