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/* Copyright (c) 2010 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.
*
* Tests for checking firmware rollback-prevention logic.
*/
#include <stdio.h>
#include <stdlib.h>
#include "cryptolib.h"
#include "file_keys.h"
#include "firmware_image.h"
#include "utility.h"
#include "rollback_index.h"
#include "test_common.h"
const char* kRootKeyPublicFile = "testkeys/key_rsa8192.keyb";
uint8_t kValidFirmwareData[1] = { 'F' };
uint8_t kCorruptFirmwareData[1] = { 'X' };
/* Tests that check for correctness of the VerifyFirmwareDriver_f() logic
* and rollback prevention. */
void VerifyFirmwareDriverTest(void) {
uint8_t* verification_blobA = NULL;
uint8_t* verification_blobB = NULL;
uint64_t len;
uint8_t* root_key_pub = BufferFromFile(kRootKeyPublicFile, &len);
/* Initialize rollback index state. */
g_firmware_key_version = 1;
g_firmware_version = 1;
verification_blobA = GenerateRollbackTestVerificationBlob(1, 1);
verification_blobB = GenerateRollbackTestVerificationBlob(1, 1);
TEST_EQ(VerifyFirmwareDriver_f(root_key_pub,
verification_blobA,
kValidFirmwareData,
verification_blobB,
kValidFirmwareData),
BOOT_FIRMWARE_A_CONTINUE,
"Firmware A (Valid with current version), "
"Firmware B (Valid with current version)");
TEST_EQ(VerifyFirmwareDriver_f(root_key_pub,
verification_blobA,
kCorruptFirmwareData,
verification_blobB,
kValidFirmwareData),
BOOT_FIRMWARE_B_CONTINUE,
"Firmware A (Corrupt with current version), "
"Firmware B (Valid with current version)");
TEST_EQ(VerifyFirmwareDriver_f(root_key_pub,
verification_blobA,
kValidFirmwareData,
verification_blobB,
kCorruptFirmwareData),
BOOT_FIRMWARE_A_CONTINUE,
"Firmware A (Valid with current version), "
"Firmware B (Corrupt with current version)");
TEST_EQ(VerifyFirmwareDriver_f(root_key_pub,
verification_blobA,
kCorruptFirmwareData,
verification_blobB,
kCorruptFirmwareData),
BOOT_FIRMWARE_RECOVERY_CONTINUE,
"Firmware A (Corrupt with current version), "
"Firmware B (Corrupt with current version");
g_firmware_key_version = 2;
g_firmware_version = 2;
TEST_EQ(VerifyFirmwareDriver_f(root_key_pub,
verification_blobA,
kValidFirmwareData,
verification_blobB,
kValidFirmwareData),
BOOT_FIRMWARE_RECOVERY_CONTINUE,
"Firmware A (Valid with old version), "
"Old Firmware B (Valid with old version)");
Free(root_key_pub);
Free(verification_blobA);
Free(verification_blobB);
}
int main(int argc, char* argv[]) {
int error_code = 0;
VerifyFirmwareDriverTest();
if (!gTestSuccess)
error_code = 255;
return error_code;
}
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