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1 // Copyright (c) 2006-2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "testing/gtest/include/gtest/gtest.h" | 5 #include "base/win/windows_version.h" |
| 6 #include "sandbox/win/src/handle_closer.h" |
6 #include "sandbox/win/src/sandbox.h" | 7 #include "sandbox/win/src/sandbox.h" |
7 #include "sandbox/win/src/sandbox_policy.h" | 8 #include "sandbox/win/src/sandbox_policy.h" |
8 #include "sandbox/win/src/sandbox_factory.h" | 9 #include "sandbox/win/src/sandbox_factory.h" |
9 #include "sandbox/win/tests/common/controller.h" | 10 #include "sandbox/win/tests/common/controller.h" |
| 11 #include "testing/gtest/include/gtest/gtest.h" |
10 | 12 |
11 namespace sandbox { | 13 namespace sandbox { |
12 | 14 |
13 | 15 |
14 SBOX_TESTS_COMMAND int NamedPipe_Create(int argc, wchar_t **argv) { | 16 SBOX_TESTS_COMMAND int NamedPipe_Create(int argc, wchar_t **argv) { |
15 if (argc != 1) { | 17 if (argc < 1 || argc > 2) { |
16 return SBOX_TEST_FAILED_TO_EXECUTE_COMMAND; | 18 return SBOX_TEST_FAILED_TO_EXECUTE_COMMAND; |
17 } | 19 } |
18 if ((NULL == argv) || (NULL == argv[0])) { | 20 if ((NULL == argv) || (NULL == argv[0])) { |
19 return SBOX_TEST_FAILED_TO_EXECUTE_COMMAND; | 21 return SBOX_TEST_FAILED_TO_EXECUTE_COMMAND; |
20 } | 22 } |
21 | 23 |
22 HANDLE pipe = ::CreateNamedPipeW(argv[0], | 24 HANDLE pipe = ::CreateNamedPipeW(argv[0], |
23 PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED, | 25 PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED, |
24 PIPE_TYPE_BYTE | PIPE_READMODE_BYTE, 1, 4096, | 26 PIPE_TYPE_BYTE | PIPE_READMODE_BYTE, 1, 4096, |
25 4096, 2000, NULL); | 27 4096, 2000, NULL); |
26 if (INVALID_HANDLE_VALUE == pipe) | 28 if (INVALID_HANDLE_VALUE == pipe) |
27 return SBOX_TEST_DENIED; | 29 return SBOX_TEST_DENIED; |
28 | 30 |
| 31 // The second parameter allows us to enforce a whitelist for where the |
| 32 // pipe should be in the object namespace after creation. |
| 33 if (argc == 2) { |
| 34 base::string16 handle_name; |
| 35 if (GetHandleName(pipe, &handle_name)) { |
| 36 if (handle_name.compare(0, wcslen(argv[1]), argv[1]) != 0) |
| 37 return SBOX_TEST_FAILED; |
| 38 } else { |
| 39 return SBOX_TEST_FAILED; |
| 40 } |
| 41 } |
| 42 |
29 OVERLAPPED overlapped = {0}; | 43 OVERLAPPED overlapped = {0}; |
30 overlapped.hEvent = ::CreateEvent(NULL, TRUE, TRUE, NULL); | 44 overlapped.hEvent = ::CreateEvent(NULL, TRUE, TRUE, NULL); |
31 BOOL result = ::ConnectNamedPipe(pipe, &overlapped); | 45 BOOL result = ::ConnectNamedPipe(pipe, &overlapped); |
32 | 46 |
33 if (!result) { | 47 if (!result) { |
34 DWORD error = ::GetLastError(); | 48 DWORD error = ::GetLastError(); |
35 if (ERROR_PIPE_CONNECTED != error && | 49 if (ERROR_PIPE_CONNECTED != error && |
36 ERROR_IO_PENDING != error) { | 50 ERROR_IO_PENDING != error) { |
37 return SBOX_TEST_FAILED; | 51 return SBOX_TEST_FAILED; |
38 } | 52 } |
39 } | 53 } |
40 | 54 |
41 if (!::CloseHandle(pipe)) | 55 if (!::CloseHandle(pipe)) |
42 return SBOX_TEST_FAILED; | 56 return SBOX_TEST_FAILED; |
43 | 57 |
44 ::CloseHandle(overlapped.hEvent); | 58 ::CloseHandle(overlapped.hEvent); |
45 return SBOX_TEST_SUCCEEDED; | 59 return SBOX_TEST_SUCCEEDED; |
46 } | 60 } |
47 | 61 |
48 // Tests if we can create a pipe in the sandbox. On XP, the sandbox can create | 62 // Tests if we can create a pipe in the sandbox. |
49 // a pipe without any help but it fails on Vista, this is why we do not test | |
50 // the "denied" case. | |
51 TEST(NamedPipePolicyTest, CreatePipe) { | 63 TEST(NamedPipePolicyTest, CreatePipe) { |
52 TestRunner runner; | 64 TestRunner runner; |
53 // TODO(nsylvain): This policy is wrong because "*" is a valid char in a | 65 // TODO(nsylvain): This policy is wrong because "*" is a valid char in a |
54 // namedpipe name. Here we apply it like a wildcard. http://b/893603 | 66 // namedpipe name. Here we apply it like a wildcard. http://b/893603 |
55 EXPECT_TRUE(runner.AddRule(TargetPolicy::SUBSYS_NAMED_PIPES, | 67 EXPECT_TRUE(runner.AddRule(TargetPolicy::SUBSYS_NAMED_PIPES, |
56 TargetPolicy::NAMEDPIPES_ALLOW_ANY, | 68 TargetPolicy::NAMEDPIPES_ALLOW_ANY, |
| 69 L"\\\\.\\pipe\\test*")); |
| 70 |
| 71 EXPECT_EQ(SBOX_TEST_SUCCEEDED, |
| 72 runner.RunTest(L"NamedPipe_Create \\\\.\\pipe\\testbleh")); |
| 73 |
| 74 // On XP, the sandbox can create a pipe without any help but it fails on |
| 75 // Vista+, this is why we do not test the "denied" case. |
| 76 if (base::win::OSInfo::GetInstance()->version() >= base::win::VERSION_VISTA) { |
| 77 EXPECT_EQ(SBOX_TEST_DENIED, |
| 78 runner.RunTest(L"NamedPipe_Create \\\\.\\pipe\\bleh")); |
| 79 } |
| 80 } |
| 81 |
| 82 // Tests if we can create a pipe with a path traversal in the sandbox. |
| 83 TEST(NamedPipePolicyTest, CreatePipeTraversal) { |
| 84 TestRunner runner; |
| 85 // TODO(nsylvain): This policy is wrong because "*" is a valid char in a |
| 86 // namedpipe name. Here we apply it like a wildcard. http://b/893603 |
| 87 EXPECT_TRUE(runner.AddRule(TargetPolicy::SUBSYS_NAMED_PIPES, |
| 88 TargetPolicy::NAMEDPIPES_ALLOW_ANY, |
57 L"\\\\.\\pipe\\test*")); | 89 L"\\\\.\\pipe\\test*")); |
58 | 90 |
59 EXPECT_EQ(SBOX_TEST_SUCCEEDED, | 91 // On XP, the sandbox can create a pipe without any help but it fails on |
60 runner.RunTest(L"NamedPipe_Create \\\\.\\pipe\\testbleh")); | 92 // Vista+, this is why we do not test the "denied" case. |
| 93 if (base::win::OSInfo::GetInstance()->version() >= base::win::VERSION_VISTA) { |
| 94 EXPECT_EQ(SBOX_TEST_DENIED, |
| 95 runner.RunTest(L"NamedPipe_Create \\\\.\\pipe\\test\\..\\bleh")); |
| 96 EXPECT_EQ(SBOX_TEST_DENIED, |
| 97 runner.RunTest(L"NamedPipe_Create \\\\.\\pipe\\test/../bleh")); |
| 98 EXPECT_EQ(SBOX_TEST_DENIED, |
| 99 runner.RunTest(L"NamedPipe_Create \\\\.\\pipe\\test\\../bleh")); |
| 100 EXPECT_EQ(SBOX_TEST_DENIED, |
| 101 runner.RunTest(L"NamedPipe_Create \\\\.\\pipe\\test/..\\bleh")); |
| 102 } |
| 103 } |
| 104 |
| 105 // This tests that path canonicalization is actually disabled if we use \\?\ |
| 106 // syntax. |
| 107 TEST(NamedPipePolicyTest, CreatePipeCanonicalization) { |
| 108 // "For file I/O, the "\\?\" prefix to a path string tells the Windows APIs to |
| 109 // disable all string parsing and to send the string that follows it straight |
| 110 // to the file system." |
| 111 // http://msdn.microsoft.com/en-us/library/aa365247(VS.85).aspx |
| 112 wchar_t* argv[2] = { L"\\\\?\\pipe\\test\\..\\bleh", |
| 113 L"\\Device\\NamedPipe\\test" }; |
| 114 EXPECT_EQ(SBOX_TEST_SUCCEEDED, NamedPipe_Create(2, argv)); |
61 } | 115 } |
62 | 116 |
63 // The same test as CreatePipe but this time using strict interceptions. | 117 // The same test as CreatePipe but this time using strict interceptions. |
64 TEST(NamedPipePolicyTest, CreatePipeStrictInterceptions) { | 118 TEST(NamedPipePolicyTest, CreatePipeStrictInterceptions) { |
65 TestRunner runner; | 119 TestRunner runner; |
66 runner.GetPolicy()->SetStrictInterceptions(); | 120 runner.GetPolicy()->SetStrictInterceptions(); |
67 | 121 |
68 // TODO(nsylvain): This policy is wrong because "*" is a valid char in a | 122 // TODO(nsylvain): This policy is wrong because "*" is a valid char in a |
69 // namedpipe name. Here we apply it like a wildcard. http://b/893603 | 123 // namedpipe name. Here we apply it like a wildcard. http://b/893603 |
70 EXPECT_TRUE(runner.AddRule(TargetPolicy::SUBSYS_NAMED_PIPES, | 124 EXPECT_TRUE(runner.AddRule(TargetPolicy::SUBSYS_NAMED_PIPES, |
71 TargetPolicy::NAMEDPIPES_ALLOW_ANY, | 125 TargetPolicy::NAMEDPIPES_ALLOW_ANY, |
72 L"\\\\.\\pipe\\test*")); | 126 L"\\\\.\\pipe\\test*")); |
73 | 127 |
74 EXPECT_EQ(SBOX_TEST_SUCCEEDED, | 128 EXPECT_EQ(SBOX_TEST_SUCCEEDED, |
75 runner.RunTest(L"NamedPipe_Create \\\\.\\pipe\\testbleh")); | 129 runner.RunTest(L"NamedPipe_Create \\\\.\\pipe\\testbleh")); |
| 130 |
| 131 // On XP, the sandbox can create a pipe without any help but it fails on |
| 132 // Vista+, this is why we do not test the "denied" case. |
| 133 if (base::win::OSInfo::GetInstance()->version() >= base::win::VERSION_VISTA) { |
| 134 EXPECT_EQ(SBOX_TEST_DENIED, |
| 135 runner.RunTest(L"NamedPipe_Create \\\\.\\pipe\\bleh")); |
| 136 } |
76 } | 137 } |
77 | 138 |
78 } // namespace sandbox | 139 } // namespace sandbox |
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