1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include <stdio.h>
6
7#include "base/files/file_util.h"
8#include "base/win/windows_version.h"
9#include "sandbox/win/tests/common/controller.h"
10#include "testing/gtest/include/gtest/gtest.h"
11
12namespace sandbox {
13
14SBOX_TESTS_COMMAND int HandleInheritanceTests_PrintToStdout(int argc,
15                                                            wchar_t** argv) {
16  printf("Example output to stdout\n");
17  return SBOX_TEST_SUCCEEDED;
18}
19
20TEST(HandleInheritanceTests, TestStdoutInheritance) {
21  wchar_t temp_directory[MAX_PATH];
22  wchar_t temp_file_name[MAX_PATH];
23  ASSERT_NE(::GetTempPath(MAX_PATH, temp_directory), 0u);
24  ASSERT_NE(::GetTempFileName(temp_directory, L"test", 0, temp_file_name), 0u);
25
26  SECURITY_ATTRIBUTES attrs = {};
27  attrs.nLength = sizeof(attrs);
28  attrs.lpSecurityDescriptor = NULL;
29  attrs.bInheritHandle = TRUE;
30  HANDLE file_handle = CreateFile(
31      temp_file_name, GENERIC_WRITE,
32      FILE_SHARE_WRITE | FILE_SHARE_READ | FILE_SHARE_DELETE,
33      &attrs, OPEN_EXISTING, 0, NULL);
34  EXPECT_NE(file_handle, INVALID_HANDLE_VALUE);
35
36  TestRunner runner;
37  EXPECT_EQ(SBOX_ALL_OK, runner.GetPolicy()->SetStdoutHandle(file_handle));
38  int result = runner.RunTest(L"HandleInheritanceTests_PrintToStdout");
39  EXPECT_EQ(SBOX_TEST_SUCCEEDED, result);
40  EXPECT_TRUE(::CloseHandle(file_handle));
41
42  std::string data;
43  EXPECT_TRUE(base::ReadFileToString(base::FilePath(temp_file_name), &data));
44  // Redirection uses a feature that was added in Windows Vista.
45  if (base::win::GetVersion() >= base::win::VERSION_VISTA) {
46    EXPECT_EQ("Example output to stdout\r\n", data);
47  } else {
48    EXPECT_EQ("", data);
49  }
50
51  EXPECT_TRUE(::DeleteFile(temp_file_name));
52}
53
54}
55