Add sandbox support for Windows process mitigations

sandbox/win/src/dep_test.cc

Index: sandbox/win/src/dep_test.cc
===================================================================
--- sandbox/win/src/dep_test.cc	(revision 156579)
+++ sandbox/win/src/dep_test.cc	(working copy)
@@ -1,158 +0,0 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "sandbox/win/src/dep.h"
-
-#include "sandbox/win/src/sandbox_utils.h"
-#include "sandbox/win/tests/common/controller.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace sandbox {
-
-namespace {
-
-BYTE kReturnCode[] = {
-  // ret
-  0xC3,
-};
-
-typedef void (*NullFunction)();
-
-// This doesn't fail on Vista Service Pack 0 but it does on XP SP2 and Vista
-// SP1. I guess this is a bug in Vista SP0 w.r.t .data PE section. Needs
-// investigation to be sure it is a bug and not an error on my part.
-bool GenerateDepException() {
-  bool result = false;
-  __try {
-    void* code = kReturnCode;
-    // Call this code.
-    reinterpret_cast<NullFunction>(code)();
-  } __except(EXCEPTION_EXECUTE_HANDLER) {
-    result = true;
-  }
-  return result;
-}
-
-bool GenerateDepAtl7Exception() {
-  // TODO(maruel):  bug 1207762 Somehow test ATL7
-  return GenerateDepException();
-}
-
-SBOX_TESTS_COMMAND int CheckDepLevel(int argc, wchar_t **argv) {
-  if (1 != argc)
-    return SBOX_TEST_FAILED_TO_EXECUTE_COMMAND;
-
-  int flag = _wtoi(argv[0]);
-  switch (flag) {
-    case 1:
-      // DEP is completely disabled.
-      if (!SetCurrentProcessDEP(DEP_DISABLED)) {
-        if (!IsXPSP2OrLater())
-          // That's fine.
-          return SBOX_TEST_SUCCEEDED;
-        return SBOX_TEST_DENIED;
-      }
-      if (GenerateDepException())
-        return SBOX_TEST_FAILED;
-      if (GenerateDepAtl7Exception())
-        return SBOX_TEST_FAILED;
-      return SBOX_TEST_SUCCEEDED;
-    case 2:
-      // DEP is enabled with ATL7 thunk support.
-      if (!SetCurrentProcessDEP(DEP_ENABLED_ATL7_COMPAT)) {
-        if (!IsXPSP2OrLater())
-          // That's fine.
-          return SBOX_TEST_SUCCEEDED;
-        return SBOX_TEST_DENIED;
-      }
-      if (!GenerateDepException())
-        return SBOX_TEST_FAILED;
-      if (GenerateDepAtl7Exception())
-        return SBOX_TEST_FAILED;
-      return SBOX_TEST_SUCCEEDED;
-    case 3:
-      // DEP is enabled.
-      if (!SetCurrentProcessDEP(DEP_ENABLED)) {
-        if (!IsXPSP2OrLater())
-          // That's fine.
-          return SBOX_TEST_SUCCEEDED;
-        return SBOX_TEST_DENIED;
-      }
-      if (!GenerateDepException())
-        return SBOX_TEST_FAILED;
-      if (!GenerateDepAtl7Exception())
-        return SBOX_TEST_FAILED;
-      return SBOX_TEST_SUCCEEDED;
-    case 4:
-      // DEP can't be disabled.
-      if (!SetCurrentProcessDEP(DEP_ENABLED)) {
-        if (!IsXPSP2OrLater())
-          // That's fine.
-          return SBOX_TEST_SUCCEEDED;
-      }
-      if (SetCurrentProcessDEP(DEP_DISABLED)) {
-        return SBOX_TEST_DENIED;
-      }
-      // Verify that it is still enabled.
-      if (!GenerateDepException())
-        return SBOX_TEST_FAILED;
-      if (!GenerateDepAtl7Exception())
-        return SBOX_TEST_FAILED;
-      return SBOX_TEST_SUCCEEDED;
-    case 5:
-      // DEP can't be disabled.
-      if (!SetCurrentProcessDEP(DEP_ENABLED_ATL7_COMPAT)) {
-        if (!IsXPSP2OrLater())
-          // That's fine.
-          return SBOX_TEST_SUCCEEDED;
-      }
-      if (SetCurrentProcessDEP(DEP_DISABLED)) {
-        return SBOX_TEST_DENIED;
-      }
-      // Verify that it is still enabled.
-      if (!GenerateDepException())
-        return SBOX_TEST_FAILED;
-      if (!GenerateDepAtl7Exception())
-        return SBOX_TEST_FAILED;
-      return SBOX_TEST_SUCCEEDED;
-    case 6:
-      // DEP can't be disabled.
-      if (!SetCurrentProcessDEP(DEP_ENABLED)) {
-        if (!IsXPSP2OrLater())
-          // That's fine.
-          return SBOX_TEST_SUCCEEDED;
-      }
-      if (SetCurrentProcessDEP(DEP_ENABLED_ATL7_COMPAT)) {
-        return SBOX_TEST_DENIED;
-      }
-      // Verify that it is still enabled.
-      if (!GenerateDepException())
-        return SBOX_TEST_FAILED;
-      if (!GenerateDepAtl7Exception())
-        return SBOX_TEST_FAILED;
-      return SBOX_TEST_SUCCEEDED;
-    default:
-      return SBOX_TEST_INVALID_PARAMETER;
-  }
-  return SBOX_TEST_FAILED_TO_EXECUTE_COMMAND;
-}
-
-}  // namespace
-
-// This test is disabled. See bug 1275842
-TEST(DepTest, DISABLED_TestDepDisable) {
-  TestRunner runner(JOB_UNPROTECTED, USER_INTERACTIVE, USER_INTERACTIVE);
-
-  runner.SetTimeout(INFINITE);
-
-  EXPECT_EQ(SBOX_TEST_SUCCEEDED, runner.RunTest(L"CheckDepLevel 1"));
-  // TODO(maruel):  bug 1207762 Somehow test ATL7
-  // EXPECT_EQ(SBOX_TEST_SUCCEEDED, runner.RunTest(L"CheckDepLevel 2"));
-  EXPECT_EQ(SBOX_TEST_SUCCEEDED, runner.RunTest(L"CheckDepLevel 3"));
-  EXPECT_EQ(SBOX_TEST_SUCCEEDED, runner.RunTest(L"CheckDepLevel 4"));
-  EXPECT_EQ(SBOX_TEST_SUCCEEDED, runner.RunTest(L"CheckDepLevel 5"));
-  EXPECT_EQ(SBOX_TEST_SUCCEEDED, runner.RunTest(L"CheckDepLevel 6"));
-}
-
-}  // namespace sandbox