| // Copyright (c) 2012 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 "base/strings/stringprintf.h" |
| #include "sandbox/win/src/handle_policy.h" |
| #include "sandbox/win/src/nt_internals.h" |
| #include "sandbox/win/src/sandbox.h" |
| #include "sandbox/win/src/sandbox_factory.h" |
| #include "sandbox/win/src/sandbox_policy.h" |
| #include "sandbox/win/src/win_utils.h" |
| #include "sandbox/win/tests/common/controller.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace sandbox { |
| |
| // Just waits for the supplied number of milliseconds. |
| SBOX_TESTS_COMMAND int Handle_WaitProcess(int argc, wchar_t **argv) { |
| if (argc != 1) |
| return SBOX_TEST_FAILED_TO_EXECUTE_COMMAND; |
| |
| ::Sleep(::wcstoul(argv[0], NULL, 10)); |
| return SBOX_TEST_TIMED_OUT; |
| } |
| |
| // Attempts to duplicate an event handle into the target process. |
| SBOX_TESTS_COMMAND int Handle_DuplicateEvent(int argc, wchar_t **argv) { |
| if (argc != 1) |
| return SBOX_TEST_FAILED_TO_EXECUTE_COMMAND; |
| |
| // Create a test event to use as a handle. |
| base::win::ScopedHandle test_event; |
| test_event.Set(::CreateEvent(NULL, TRUE, TRUE, NULL)); |
| if (!test_event.IsValid()) |
| return SBOX_TEST_FIRST_ERROR; |
| |
| // Get the target process ID. |
| DWORD target_process_id = ::wcstoul(argv[0], NULL, 10); |
| |
| HANDLE handle = NULL; |
| ResultCode result = SandboxFactory::GetTargetServices()->DuplicateHandle( |
| test_event.Get(), target_process_id, &handle, 0, DUPLICATE_SAME_ACCESS); |
| |
| return (result == SBOX_ALL_OK) ? SBOX_TEST_SUCCEEDED : SBOX_TEST_DENIED; |
| } |
| |
| // Tests that duplicating an object works only when the policy allows it. |
| TEST(HandlePolicyTest, DuplicateHandle) { |
| TestRunner target; |
| TestRunner runner; |
| |
| // Kick off an asynchronous target process for testing. |
| target.SetAsynchronous(true); |
| EXPECT_EQ(SBOX_TEST_SUCCEEDED, target.RunTest(L"Handle_WaitProcess 30000")); |
| |
| // First test that we fail to open the event. |
| base::string16 cmd_line = base::StringPrintf(L"Handle_DuplicateEvent %d", |
| target.process_id()); |
| EXPECT_EQ(SBOX_TEST_DENIED, runner.RunTest(cmd_line.c_str())); |
| |
| // Now successfully open the event after adding a duplicate handle rule. |
| EXPECT_TRUE(runner.AddRule(TargetPolicy::SUBSYS_HANDLES, |
| TargetPolicy::HANDLES_DUP_ANY, |
| L"Event")); |
| EXPECT_EQ(SBOX_TEST_SUCCEEDED, runner.RunTest(cmd_line.c_str())); |
| } |
| |
| // Tests that duplicating an object works only when the policy allows it. |
| TEST(HandlePolicyTest, DuplicatePeerHandle) { |
| TestRunner target; |
| TestRunner runner; |
| |
| // Kick off an asynchronous target process for testing. |
| target.SetAsynchronous(true); |
| target.SetUnsandboxed(true); |
| EXPECT_EQ(SBOX_TEST_SUCCEEDED, target.RunTest(L"Handle_WaitProcess 30000")); |
| |
| // First test that we fail to open the event. |
| base::string16 cmd_line = base::StringPrintf(L"Handle_DuplicateEvent %d", |
| target.process_id()); |
| EXPECT_EQ(SBOX_TEST_DENIED, runner.RunTest(cmd_line.c_str())); |
| |
| // Now successfully open the event after adding a duplicate handle rule. |
| EXPECT_TRUE(runner.AddRule(TargetPolicy::SUBSYS_HANDLES, |
| TargetPolicy::HANDLES_DUP_ANY, |
| L"Event")); |
| EXPECT_EQ(SBOX_TEST_SUCCEEDED, runner.RunTest(cmd_line.c_str())); |
| } |
| |
| // Tests that duplicating an object works only when the policy allows it. |
| TEST(HandlePolicyTest, DuplicateBrokerHandle) { |
| TestRunner runner; |
| |
| // First test that we fail to open the event. |
| base::string16 cmd_line = base::StringPrintf(L"Handle_DuplicateEvent %d", |
| ::GetCurrentProcessId()); |
| EXPECT_EQ(SBOX_TEST_DENIED, runner.RunTest(cmd_line.c_str())); |
| |
| // Add the peer rule and make sure we fail again. |
| EXPECT_TRUE(runner.AddRule(TargetPolicy::SUBSYS_HANDLES, |
| TargetPolicy::HANDLES_DUP_ANY, |
| L"Event")); |
| EXPECT_EQ(SBOX_TEST_DENIED, runner.RunTest(cmd_line.c_str())); |
| |
| |
| // Now successfully open the event after adding a broker handle rule. |
| EXPECT_TRUE(runner.AddRule(TargetPolicy::SUBSYS_HANDLES, |
| TargetPolicy::HANDLES_DUP_BROKER, |
| L"Event")); |
| EXPECT_EQ(SBOX_TEST_SUCCEEDED, runner.RunTest(cmd_line.c_str())); |
| } |
| |
| } // namespace sandbox |
| |