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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 <windows.h>
#include <atlsecurity.h>
#include "base/process/process_info.h"
#include "base/win/windows_version.h"
#include "sandbox/win/src/sandbox.h"
#include "sandbox/win/src/sandbox_factory.h"
#include "sandbox/win/src/sandbox_policy.h"
#include "sandbox/win/tests/common/controller.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace sandbox {
SBOX_TESTS_COMMAND int CheckUntrustedIntegrityLevel(int argc, wchar_t** argv) {
return (base::GetCurrentProcessIntegrityLevel() == base::UNTRUSTED_INTEGRITY)
? SBOX_TEST_SUCCEEDED
: SBOX_TEST_FAILED;
}
SBOX_TESTS_COMMAND int CheckLowIntegrityLevel(int argc, wchar_t** argv) {
return (base::GetCurrentProcessIntegrityLevel() == base::LOW_INTEGRITY)
? SBOX_TEST_SUCCEEDED
: SBOX_TEST_FAILED;
}
SBOX_TESTS_COMMAND int CheckIntegrityLevel(int argc, wchar_t** argv) {
ATL::CAccessToken token;
if (!token.GetEffectiveToken(TOKEN_READ))
return SBOX_TEST_FAILED;
char* buffer[100];
DWORD buf_size = 100;
if (!::GetTokenInformation(token.GetHandle(), TokenIntegrityLevel,
reinterpret_cast<void*>(buffer), buf_size,
&buf_size))
return SBOX_TEST_FAILED;
TOKEN_MANDATORY_LABEL* label =
reinterpret_cast<TOKEN_MANDATORY_LABEL*>(buffer);
PSID sid_low = nullptr;
if (!::ConvertStringSidToSid(L"S-1-16-4096", &sid_low))
return SBOX_TEST_FAILED;
bool is_low_sid = ::EqualSid(label->Label.Sid, sid_low);
::LocalFree(sid_low);
if (is_low_sid)
return SBOX_TEST_SUCCEEDED;
return SBOX_TEST_DENIED;
}
TEST(IntegrityLevelTest, TestLowILReal) {
TestRunner runner(JOB_LOCKDOWN, USER_INTERACTIVE, USER_INTERACTIVE);
runner.SetTimeout(INFINITE);
runner.GetPolicy()->SetAlternateDesktop(true);
runner.GetPolicy()->SetIntegrityLevel(INTEGRITY_LEVEL_LOW);
EXPECT_EQ(SBOX_TEST_SUCCEEDED, runner.RunTest(L"CheckIntegrityLevel"));
runner.SetTestState(BEFORE_REVERT);
EXPECT_EQ(SBOX_TEST_SUCCEEDED, runner.RunTest(L"CheckIntegrityLevel"));
}
TEST(DelayedIntegrityLevelTest, TestLowILDelayed) {
TestRunner runner(JOB_LOCKDOWN, USER_INTERACTIVE, USER_INTERACTIVE);
runner.SetTimeout(INFINITE);
runner.GetPolicy()->SetDelayedIntegrityLevel(INTEGRITY_LEVEL_LOW);
EXPECT_EQ(SBOX_TEST_SUCCEEDED, runner.RunTest(L"CheckIntegrityLevel"));
runner.SetTestState(BEFORE_REVERT);
EXPECT_EQ(SBOX_TEST_DENIED, runner.RunTest(L"CheckIntegrityLevel"));
}
TEST(IntegrityLevelTest, TestNoILChange) {
TestRunner runner(JOB_LOCKDOWN, USER_INTERACTIVE, USER_INTERACTIVE);
runner.SetTimeout(INFINITE);
EXPECT_EQ(SBOX_TEST_DENIED, runner.RunTest(L"CheckIntegrityLevel"));
}
TEST(IntegrityLevelTest, TestUntrustedIL) {
TestRunner runner(JOB_LOCKDOWN, USER_RESTRICTED_SAME_ACCESS, USER_LOCKDOWN);
runner.GetPolicy()->SetIntegrityLevel(INTEGRITY_LEVEL_LOW);
runner.GetPolicy()->SetDelayedIntegrityLevel(INTEGRITY_LEVEL_UNTRUSTED);
runner.GetPolicy()->SetLockdownDefaultDacl();
runner.SetTimeout(INFINITE);
EXPECT_EQ(SBOX_TEST_SUCCEEDED,
runner.RunTest(L"CheckUntrustedIntegrityLevel"));
}
TEST(IntegrityLevelTest, TestLowIL) {
TestRunner runner(JOB_LOCKDOWN, USER_RESTRICTED_SAME_ACCESS, USER_LOCKDOWN);
runner.GetPolicy()->SetIntegrityLevel(INTEGRITY_LEVEL_LOW);
runner.GetPolicy()->SetDelayedIntegrityLevel(INTEGRITY_LEVEL_LOW);
runner.GetPolicy()->SetLockdownDefaultDacl();
runner.SetTimeout(INFINITE);
EXPECT_EQ(SBOX_TEST_SUCCEEDED, runner.RunTest(L"CheckLowIntegrityLevel"));
}
} // namespace sandbox
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