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/* Copyright 2019 The Chromium OS Authors. All rights reserved.
* 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 "fpsensor_state.h"
#include "host_command.h"
#include "test_util.h"
#include "util.h"
static int check_fp_enc_status_valid_flags(const uint32_t expected)
{
int rv;
struct ec_response_fp_encryption_status resp = { 0 };
rv = test_send_host_command(EC_CMD_FP_ENC_STATUS, 0,
NULL, 0,
&resp, sizeof(resp));
if (rv != EC_RES_SUCCESS) {
ccprintf("%s:%s(): failed to get encryption status. rv = %d\n",
__FILE__, __func__, rv);
return -1;
}
if (resp.valid_flags != expected) {
ccprintf("%s:%s(): expected valid flags 0x%08x, got 0x%08x\n",
__FILE__, __func__, expected, resp.valid_flags);
return -1;
}
return EC_RES_SUCCESS;
}
static int check_fp_tpm_seed_not_set(void)
{
int rv;
struct ec_response_fp_encryption_status resp = { 0 };
/* Initially the seed should not have been set. */
rv = test_send_host_command(EC_CMD_FP_ENC_STATUS, 0,
NULL, 0,
&resp, sizeof(resp));
if (rv != EC_RES_SUCCESS || resp.status & FP_ENC_STATUS_SEED_SET) {
ccprintf("%s:%s(): rv = %d, seed is set: %d\n", __FILE__,
__func__, rv, resp.status & FP_ENC_STATUS_SEED_SET);
return -1;
}
return EC_RES_SUCCESS;
}
static int set_fp_tpm_seed(void)
{
/*
* TODO(yichengli): test setting the seed twice:
* the second time fails;
* the seed is still set.
*/
int rv;
struct ec_params_fp_seed params;
struct ec_response_fp_encryption_status resp = { 0 };
params.struct_version = FP_TEMPLATE_FORMAT_VERSION;
params.seed[0] = 0;
rv = test_send_host_command(EC_CMD_FP_SEED, 0,
¶ms, sizeof(params),
NULL, 0);
if (rv != EC_RES_SUCCESS) {
ccprintf("%s:%s(): rv = %d, set seed failed\n",
__FILE__, __func__, rv);
return -1;
}
/* Now seed should have been set. */
rv = test_send_host_command(EC_CMD_FP_ENC_STATUS, 0,
NULL, 0,
&resp, sizeof(resp));
if (rv != EC_RES_SUCCESS || !(resp.status & FP_ENC_STATUS_SEED_SET)) {
ccprintf("%s:%s(): rv = %d, seed is set: %d\n", __FILE__,
__func__, rv, resp.status & FP_ENC_STATUS_SEED_SET);
return -1;
}
return EC_RES_SUCCESS;
}
test_static int test_fpsensor(void)
{
TEST_ASSERT(check_fp_enc_status_valid_flags(FP_ENC_STATUS_SEED_SET) ==
EC_RES_SUCCESS);
TEST_ASSERT(check_fp_tpm_seed_not_set() == EC_RES_SUCCESS);
TEST_ASSERT(set_fp_tpm_seed() == EC_RES_SUCCESS);
return EC_SUCCESS;
}
void run_test(void)
{
RUN_TEST(test_fpsensor);
test_print_result();
}
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