| /* 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. |
| */ |
| |
| /* Test of protection from space redefinition when an owner is NOT present. |
| */ |
| |
| #include <stdio.h> |
| #include <stdint.h> |
| #include <stdlib.h> |
| |
| #include "host_common.h" |
| #include "test_common.h" |
| #include "tlcl.h" |
| #include "tlcl_tests.h" |
| |
| int main(int argc, char** argv) { |
| uint32_t perm; |
| uint32_t x; |
| |
| TlclLibInit(); |
| TPM_CHECK(TlclStartupIfNeeded()); |
| TPM_CHECK(TlclSelfTestFull()); |
| TPM_CHECK(TlclAssertPhysicalPresence()); |
| |
| TEST_FALSE(TlclIsOwned(), "TlclIsOwned should return false"); |
| |
| /* Ensures spaces exist. */ |
| TPM_CHECK(TlclRead(INDEX0, (uint8_t*) &x, sizeof(x))); |
| TPM_CHECK(TlclRead(INDEX1, (uint8_t*) &x, sizeof(x))); |
| |
| /* Redefines spaces a couple of times. */ |
| perm = TPM_NV_PER_PPWRITE | TPM_NV_PER_GLOBALLOCK; |
| TPM_CHECK(TlclDefineSpace(INDEX0, perm, 2 * sizeof(uint32_t))); |
| TPM_CHECK(TlclDefineSpace(INDEX0, perm, sizeof(uint32_t))); |
| |
| perm = TPM_NV_PER_PPWRITE; |
| TPM_CHECK(TlclDefineSpace(INDEX1, perm, 2 * sizeof(uint32_t))); |
| TPM_CHECK(TlclDefineSpace(INDEX1, perm, sizeof(uint32_t))); |
| |
| // Sets the global lock. |
| TlclSetGlobalLock(); |
| |
| // Verifies that index0 cannot be redefined. |
| TPM_EXPECT(TlclDefineSpace(INDEX0, perm, sizeof(uint32_t)), |
| TPM_E_AREA_LOCKED); |
| |
| // Checks that index1 can. |
| TPM_CHECK(TlclDefineSpace(INDEX1, perm, 2 * sizeof(uint32_t))); |
| TPM_CHECK(TlclDefineSpace(INDEX1, perm, sizeof(uint32_t))); |
| |
| // Turns off PP. |
| TlclLockPhysicalPresence(); |
| |
| // Verifies that neither index0 nor index1 can be redefined. |
| TPM_EXPECT(TlclDefineSpace(INDEX0, perm, sizeof(uint32_t)), |
| TPM_E_BAD_PRESENCE); |
| TPM_EXPECT(TlclDefineSpace(INDEX1, perm, sizeof(uint32_t)), |
| TPM_E_BAD_PRESENCE); |
| |
| printf("TEST SUCCEEDED\n"); |
| exit(0); |
| } |