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1 // Copyright 2017 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 "chrome/browser/safe_browsing/chrome_cleaner/mock_chrome_cleaner_proces s_win.h" | |
6 | |
7 #include <utility> | |
8 | |
9 #include "base/bind_helpers.h" | |
10 #include "base/memory/ref_counted.h" | |
11 #include "base/message_loop/message_loop.h" | |
12 #include "base/run_loop.h" | |
13 #include "base/sequenced_task_runner.h" | |
14 #include "base/strings/string_number_conversions.h" | |
15 #include "base/threading/sequenced_task_runner_handle.h" | |
16 #include "base/threading/thread.h" | |
17 #include "mojo/edk/embedder/connection_params.h" | |
18 #include "mojo/edk/embedder/embedder.h" | |
19 #include "mojo/edk/embedder/incoming_broker_client_invitation.h" | |
20 #include "mojo/edk/embedder/outgoing_broker_client_invitation.h" | |
21 #include "mojo/edk/embedder/platform_channel_pair.h" | |
22 #include "mojo/edk/embedder/scoped_ipc_support.h" | |
23 #include "mojo/edk/embedder/transport_protocol.h" | |
24 #include "testing/gmock/include/gmock/gmock.h" | |
25 #include "testing/gtest/include/gtest/gtest.h" | |
26 | |
27 namespace safe_browsing { | |
28 | |
29 namespace { | |
30 | |
31 using ::chrome_cleaner::mojom::ChromePrompt; | |
32 using ::chrome_cleaner::mojom::ChromePromptPtr; | |
33 using ::chrome_cleaner::mojom::ChromePromptPtrInfo; | |
34 using ::chrome_cleaner::mojom::ElevationStatus; | |
35 using ::chrome_cleaner::mojom::PromptAcceptance; | |
36 using ::chrome_cleaner::mojom::UwSPtr; | |
37 | |
38 constexpr char kCrashPointSwitch[] = "mock-crash-point"; | |
39 constexpr char kExitCodeSwitch[] = "mock-exit-code"; | |
40 constexpr char kUwsFoundSwitch[] = "mock-uws-found"; | |
41 constexpr char kRebootRequiredSwitch[] = "mock-reboot-required"; | |
42 | |
43 } // namespace | |
44 | |
45 // static | |
46 bool MockChromeCleanerProcess::Options::FromCommandLine( | |
47 const base::CommandLine& command_line, | |
48 Options* options) { | |
49 options->SetDoFindUws(command_line.HasSwitch(kUwsFoundSwitch)); | |
50 options->set_reboot_required(command_line.HasSwitch(kRebootRequiredSwitch)); | |
51 | |
52 if (command_line.HasSwitch(kCrashPointSwitch)) { | |
53 int crash_point_int = 0; | |
54 if (base::StringToInt(command_line.GetSwitchValueASCII(kCrashPointSwitch), | |
55 &crash_point_int) && | |
56 crash_point_int >= 0 && | |
57 crash_point_int < static_cast<int>(CrashPoint::kNumCrashPoints)) { | |
58 options->set_crash_point(static_cast<CrashPoint>(crash_point_int)); | |
59 } else { | |
60 return false; | |
61 } | |
62 } | |
63 | |
64 return true; | |
65 } | |
66 | |
67 MockChromeCleanerProcess::Options::Options(bool do_find_uws, | |
68 bool reboot_required, | |
69 CrashPoint crash_point) | |
Joe Mason
2017/05/23 15:39:36
Nit: This constructor's never actually used. Might
alito
2017/05/23 18:58:57
Done. Now only a default constructor without argum
| |
70 : reboot_required_(reboot_required), crash_point_(crash_point) { | |
71 SetDoFindUws(do_find_uws); | |
72 } | |
73 | |
74 MockChromeCleanerProcess::Options::Options(const Options& other) | |
75 : files_to_delete_(other.files_to_delete_), | |
76 reboot_required_(other.reboot_required_), | |
77 crash_point_(other.crash_point_) { | |
78 for (const UwSPtr& uws_ptr : other.found_uws()) | |
79 found_uws_.push_back(uws_ptr->Clone()); | |
80 } | |
81 | |
82 void MockChromeCleanerProcess::Options::AddSwitchesToCommandLine( | |
83 base::CommandLine* command_line) const { | |
84 if (!found_uws_.empty()) | |
85 command_line->AppendSwitch(kUwsFoundSwitch); | |
86 | |
87 if (reboot_required()) | |
88 command_line->AppendSwitch(kRebootRequiredSwitch); | |
89 | |
90 if (crash_point() != CrashPoint::kNone) { | |
91 command_line->AppendSwitchASCII( | |
92 kCrashPointSwitch, base::IntToString(static_cast<int>(crash_point()))); | |
93 } | |
94 } | |
95 | |
96 void MockChromeCleanerProcess::Options::SetDoFindUws(bool do_find_uws) { | |
97 found_uws_.clear(); | |
98 files_to_delete_.clear(); | |
99 if (!do_find_uws) | |
100 return; | |
101 | |
102 UwSPtr uws1 = chrome_cleaner::mojom::UwS::New(); | |
103 uws1->id = 1; | |
104 uws1->name = "Some UwS"; | |
105 uws1->observed_behaviours = chrome_cleaner::mojom::ObservedBehaviours::New(); | |
106 uws1->files_to_delete.push_back( | |
107 base::FilePath((FILE_PATH_LITERAL("/path/to/file1.exe")))); | |
108 uws1->files_to_delete.push_back( | |
109 base::FilePath((FILE_PATH_LITERAL("/path/to/other/file2.exe")))); | |
110 found_uws_.push_back(std::move(uws1)); | |
111 | |
112 UwSPtr uws2 = chrome_cleaner::mojom::UwS::New(); | |
113 uws2->id = 2; | |
114 uws2->name = "Other UwS"; | |
115 uws2->observed_behaviours = chrome_cleaner::mojom::ObservedBehaviours::New(); | |
116 uws2->files_to_delete.push_back( | |
117 base::FilePath((FILE_PATH_LITERAL("/path/to/some file.dll")))); | |
118 found_uws_.push_back(std::move(uws2)); | |
119 | |
120 for (const UwSPtr& uws_ptr : found_uws_) { | |
121 for (const base::FilePath& filepath : uws_ptr->files_to_delete) | |
122 files_to_delete_.insert(filepath); | |
123 } | |
124 } | |
125 | |
126 int MockChromeCleanerProcess::Options::ExpectedExitCode( | |
127 PromptAcceptance received_prompt_acceptance) const { | |
128 if (crash_point() != CrashPoint::kNone) | |
129 return kDeliberateCrashExitCode; | |
130 | |
131 if (found_uws_.empty()) | |
132 return kNothingFoundExitCode; | |
133 | |
134 if (received_prompt_acceptance == PromptAcceptance::ACCEPTED_WITH_LOGS || | |
135 received_prompt_acceptance == PromptAcceptance::ACCEPTED_WITHOUT_LOGS) { | |
136 return reboot_required() ? kRebootRequiredExitCode | |
137 : kRebootNotRequiredExitCode; | |
138 } | |
139 | |
140 return kCanceledExitCode; | |
141 } | |
142 | |
143 MockChromeCleanerProcess::MockChromeCleanerProcess( | |
144 const Options& options, | |
145 const std::string& chrome_mojo_pipe_token) | |
146 : options_(options), chrome_mojo_pipe_token_(chrome_mojo_pipe_token) {} | |
147 | |
148 int MockChromeCleanerProcess::Run() { | |
149 EXPECT_FALSE(chrome_mojo_pipe_token_.empty()); | |
150 if (::testing::Test::HasFailure()) | |
Joe Mason
2017/05/23 15:39:36
Can you comment on what this pattern means?
alito
2017/05/23 18:58:57
Done.
| |
151 return kInternalTestFailureExitCode; | |
152 | |
153 if (options_.crash_point() == CrashPoint::kOnStartup) | |
154 exit(kDeliberateCrashExitCode); | |
155 | |
156 mojo::edk::Init(); | |
157 base::Thread::Options thread_options(base::MessageLoop::TYPE_IO, 0); | |
158 base::Thread io_thread("IPCThread"); | |
159 EXPECT_TRUE(io_thread.StartWithOptions(thread_options)); | |
160 if (::testing::Test::HasFailure()) | |
161 return kInternalTestFailureExitCode; | |
162 | |
163 mojo::edk::ScopedIPCSupport ipc_support( | |
164 io_thread.task_runner(), | |
165 mojo::edk::ScopedIPCSupport::ShutdownPolicy::CLEAN); | |
166 | |
167 auto invitation = | |
168 mojo::edk::IncomingBrokerClientInvitation::AcceptFromCommandLine( | |
169 mojo::edk::TransportProtocol::kLegacy); | |
170 ChromePromptPtrInfo prompt_ptr_info( | |
171 invitation->ExtractMessagePipe(chrome_mojo_pipe_token_), 0); | |
172 | |
173 if (options_.crash_point() == CrashPoint::kAfterConnection) | |
174 exit(kDeliberateCrashExitCode); | |
175 | |
176 base::MessageLoop message_loop; | |
177 base::RunLoop run_loop; | |
178 // After the response from the parent process is received, this will post a | |
179 // task to unblock the child process's main thread. | |
180 auto quit_closure = base::BindOnce( | |
181 [](scoped_refptr<base::SequencedTaskRunner> main_runner, | |
182 base::Closure quit_closure) { | |
183 main_runner->PostTask(FROM_HERE, std::move(quit_closure)); | |
184 }, | |
185 base::SequencedTaskRunnerHandle::Get(), | |
186 base::Passed(run_loop.QuitClosure())); | |
187 | |
188 io_thread.task_runner()->PostTask( | |
189 FROM_HERE, | |
190 base::BindOnce(&MockChromeCleanerProcess::SendScanResults, | |
191 base::Unretained(this), std::move(prompt_ptr_info), | |
192 base::Passed(&quit_closure))); | |
193 | |
194 run_loop.Run(); | |
195 | |
196 EXPECT_NE(received_prompt_acceptance_, PromptAcceptance::UNSPECIFIED); | |
197 if (::testing::Test::HasFailure()) | |
198 return kInternalTestFailureExitCode; | |
199 return options_.ExpectedExitCode(received_prompt_acceptance_); | |
200 } | |
201 | |
202 void MockChromeCleanerProcess::SendScanResults( | |
203 ChromePromptPtrInfo prompt_ptr_info, | |
204 base::OnceClosure quit_closure) { | |
205 // This pointer will be deleted by PromptUserCallback. | |
206 chrome_prompt_ptr_ = new ChromePromptPtr(); | |
207 chrome_prompt_ptr_->Bind(std::move(prompt_ptr_info)); | |
208 | |
209 if (options_.crash_point() == CrashPoint::kAfterRequestSent) { | |
210 // This task is posted to the IPC thread so that it will happen after the | |
211 // request is sent to the parent process and before the response gets | |
212 // handled on the IPC thread. | |
213 base::SequencedTaskRunnerHandle::Get()->PostTask( | |
214 FROM_HERE, base::Bind([]() { exit(kDeliberateCrashExitCode); })); | |
Joe Mason
2017/05/23 15:39:36
Nit: could avoid the lambda with "base::Bind(&exit
alito
2017/05/23 18:58:57
Done.
alito
2017/05/24 00:42:47
Turns out, the clang compiler does not like bindin
| |
215 } | |
216 | |
217 std::vector<UwSPtr> uws_found; | |
218 for (const UwSPtr& uws_ptr : options_.found_uws()) | |
219 uws_found.push_back(uws_ptr->Clone()); | |
220 | |
221 (*chrome_prompt_ptr_) | |
222 ->PromptUser( | |
223 std::move(uws_found), ElevationStatus::REQUIRED, | |
224 base::BindOnce(&MockChromeCleanerProcess::PromptUserCallback, | |
225 base::Unretained(this), std::move(quit_closure))); | |
226 } | |
227 | |
228 void MockChromeCleanerProcess::PromptUserCallback( | |
229 base::OnceClosure quit_closure, | |
230 PromptAcceptance prompt_acceptance) { | |
231 delete chrome_prompt_ptr_; | |
232 chrome_prompt_ptr_ = nullptr; | |
233 | |
234 received_prompt_acceptance_ = prompt_acceptance; | |
235 | |
236 if (options_.crash_point() == CrashPoint::kAfterResponseReceived) | |
237 exit(kDeliberateCrashExitCode); | |
238 | |
239 std::move(quit_closure).Run(); | |
240 } | |
241 | |
242 } // namespace safe_browsing | |
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