| /* Copyright (c) 2011 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 tpm_bootmode functions |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #define _STUB_IMPLEMENTATION_ /* So we can use memset() ourselves */ |
| |
| #include "test_common.h" |
| #include "utility.h" |
| #include "tpm_bootmode.h" |
| |
| extern const char* kBootStateSHA1Digests[]; |
| |
| /* Last in_digest passed to TlclExtend() */ |
| static const uint8_t* last_in = NULL; |
| |
| /* Return value to pass for TlclExtend() */ |
| static uint32_t extend_returns = 0; |
| |
| /* Mocked TlclExtend() function for testing */ |
| uint32_t TlclExtend(int pcr_num, const uint8_t* in_digest, |
| uint8_t* out_digest) { |
| |
| /* Should be using pcr 0 */ |
| TEST_EQ(pcr_num, 0, "TlclExtend pcr_num"); |
| |
| last_in = in_digest; |
| |
| return extend_returns; |
| } |
| |
| |
| /* Test setting TPM boot mode state */ |
| static void BootStateTest(void) { |
| int recdev; |
| int flags; |
| int index; |
| char what[128]; |
| |
| /* Test all permutations of developer and recovery mode */ |
| for (recdev = 0; recdev < 4; recdev++) { |
| /* Exhaustively test all permutations of key block flags currently |
| * defined in vboot_struct.h (KEY_BLOCK_FLAG_*) */ |
| for (flags = 0; flags < 16; flags++) { |
| index = recdev * 3; |
| if (6 == flags) |
| index += 2; |
| else if (7 == flags) |
| index += 1; |
| |
| last_in = NULL; |
| TEST_EQ(SetTPMBootModeState(recdev & 2, recdev & 1, flags), 0, |
| "SetTPMBootModeState return"); |
| snprintf(what, sizeof(what), "SetTPMBootModeState %d, 0x%x", |
| recdev, flags); |
| TEST_PTR_EQ(last_in, kBootStateSHA1Digests[index], what); |
| } |
| } |
| |
| extend_returns = 1; |
| TEST_EQ(SetTPMBootModeState(0, 0, 0), 1, "SetTPMBootModeState error"); |
| } |
| |
| |
| /* disable MSVC warnings on unused arguments */ |
| __pragma(warning (disable: 4100)) |
| |
| int main(int argc, char* argv[]) { |
| int error_code = 0; |
| |
| BootStateTest(); |
| |
| if (!gTestSuccess) |
| error_code = 255; |
| |
| return error_code; |
| } |