Rehaul of firmware TPM tests

tests/tpm_lite/redefine_unowned.c

+/* 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 "tlcl.h"
+#include "tlcl_tests.h"
+#include "utility.h"
+
+int main(int argc, char** argv) {
+  uint32_t perm;
+  uint32_t result;
+  uint32_t x;
+
+  TlclLibInit();
+  TPM_CHECK(TlclStartupIfNeeded());
+  TPM_CHECK(TlclSelfTestFull());
+  TPM_CHECK(TlclAssertPhysicalPresence());
+
+  assert(!TlclIsOwned());
+
+  /* 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.
+  result = TlclDefineSpace(INDEX0, perm, sizeof(uint32_t));
+  assert(result == 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.
+  result = TlclDefineSpace(INDEX0, perm, sizeof(uint32_t));
+  assert(result == TPM_E_BAD_PRESENCE);
+  result = TlclDefineSpace(INDEX1, perm, sizeof(uint32_t));
+  assert(result == TPM_E_BAD_PRESENCE);
+
+  printf("TEST SUCCEEDED\n");
+  exit(0);
+}