1 /* Copyright (c) 2010 The Chromium OS Authors. All rights reserved. 2 * Use of this source code is governed by a BSD-style license that can be 3 * found in the LICENSE file. 4 */ 5 6 /* Test of protection from space redefinition when an owner is NOT present. 7 */ 8 9 #include <stdio.h> 10 #include <stdint.h> 11 #include <stdlib.h> 12 13 #include "host_common.h" 14 #include "tlcl.h" 15 #include "tlcl_tests.h" 16 17 int main(int argc, char** argv) { 18 uint32_t perm; 19 uint32_t x; 20 21 TlclLibInit(); 22 TPM_CHECK(TlclStartupIfNeeded()); 23 TPM_CHECK(TlclSelfTestFull()); 24 TPM_CHECK(TlclAssertPhysicalPresence()); 25 26 VbAssert(!TlclIsOwned()); 27 28 /* Ensures spaces exist. */ 29 TPM_CHECK(TlclRead(INDEX0, (uint8_t*) &x, sizeof(x))); 30 TPM_CHECK(TlclRead(INDEX1, (uint8_t*) &x, sizeof(x))); 31 32 /* Redefines spaces a couple of times. */ 33 perm = TPM_NV_PER_PPWRITE | TPM_NV_PER_GLOBALLOCK; 34 TPM_CHECK(TlclDefineSpace(INDEX0, perm, 2 * sizeof(uint32_t))); 35 TPM_CHECK(TlclDefineSpace(INDEX0, perm, sizeof(uint32_t))); 36 37 perm = TPM_NV_PER_PPWRITE; 38 TPM_CHECK(TlclDefineSpace(INDEX1, perm, 2 * sizeof(uint32_t))); 39 TPM_CHECK(TlclDefineSpace(INDEX1, perm, sizeof(uint32_t))); 40 41 // Sets the global lock. 42 TlclSetGlobalLock(); 43 44 // Verifies that index0 cannot be redefined. 45 TPM_EXPECT(TlclDefineSpace(INDEX0, perm, sizeof(uint32_t)), 46 TPM_E_AREA_LOCKED); 47 48 // Checks that index1 can. 49 TPM_CHECK(TlclDefineSpace(INDEX1, perm, 2 * sizeof(uint32_t))); 50 TPM_CHECK(TlclDefineSpace(INDEX1, perm, sizeof(uint32_t))); 51 52 // Turns off PP. 53 TlclLockPhysicalPresence(); 54 55 // Verifies that neither index0 nor index1 can be redefined. 56 TPM_EXPECT(TlclDefineSpace(INDEX0, perm, sizeof(uint32_t)), 57 TPM_E_BAD_PRESENCE); 58 TPM_EXPECT(TlclDefineSpace(INDEX1, perm, sizeof(uint32_t)), 59 TPM_E_BAD_PRESENCE); 60 61 printf("TEST SUCCEEDED\n"); 62 exit(0); 63 } 64
