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// 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/src/dep.h"
#include "sandbox/src/sandbox_utils.h"
#include "sandbox/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
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