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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 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 "content/browser/child_process_launcher.h" | 5 #include "content/browser/child_process_launcher.h" |
6 | 6 |
7 #include <utility> // For std::pair. | 7 #include <utility> // For std::pair. |
8 | 8 |
9 #include "base/bind.h" | 9 #include "base/bind.h" |
10 #include "base/command_line.h" | 10 #include "base/command_line.h" |
11 #include "base/file_util.h" | 11 #include "base/file_util.h" |
12 #include "base/logging.h" | 12 #include "base/logging.h" |
13 #include "base/memory/scoped_ptr.h" | 13 #include "base/memory/scoped_ptr.h" |
14 #include "base/metrics/histogram.h" | 14 #include "base/metrics/histogram.h" |
15 #include "base/process_util.h" | 15 #include "base/process_util.h" |
16 #include "base/synchronization/lock.h" | 16 #include "base/synchronization/lock.h" |
17 #include "base/threading/thread.h" | 17 #include "base/threading/thread.h" |
18 #include "content/public/browser/browser_thread.h" | 18 #include "content/public/browser/browser_thread.h" |
19 #include "content/public/browser/content_browser_client.h" | 19 #include "content/public/browser/content_browser_client.h" |
20 #include "content/public/common/content_descriptors.h" | 20 #include "content/public/common/content_descriptors.h" |
21 #include "content/public/common/content_switches.h" | 21 #include "content/public/common/content_switches.h" |
22 #include "content/public/common/result_codes.h" | 22 #include "content/public/common/result_codes.h" |
23 | 23 |
24 #if defined(OS_WIN) | 24 #if defined(OS_WIN) |
25 #include "base/files/file_path.h" | 25 #include "base/files/file_path.h" |
26 #include "content/common/sandbox_policy.h" | 26 #include "content/common/sandbox_win.h" |
27 #include "content/public/common/sandbox_init.h" | 27 #include "content/public/common/sandbox_init.h" |
| 28 #include "content/public/common/sandboxed_process_launcher_delegate.h" |
28 #elif defined(OS_MACOSX) | 29 #elif defined(OS_MACOSX) |
29 #include "content/browser/mach_broker_mac.h" | 30 #include "content/browser/mach_broker_mac.h" |
30 #elif defined(OS_ANDROID) | 31 #elif defined(OS_ANDROID) |
31 #include "base/android/jni_android.h" | 32 #include "base/android/jni_android.h" |
32 #include "content/browser/android/child_process_launcher_android.h" | 33 #include "content/browser/android/child_process_launcher_android.h" |
33 #elif defined(OS_POSIX) | 34 #elif defined(OS_POSIX) |
34 #include "base/memory/singleton.h" | 35 #include "base/memory/singleton.h" |
35 #include "content/browser/renderer_host/render_sandbox_host_linux.h" | 36 #include "content/browser/renderer_host/render_sandbox_host_linux.h" |
36 #include "content/browser/zygote_host/zygote_host_impl_linux.h" | 37 #include "content/browser/zygote_host/zygote_host_impl_linux.h" |
37 #endif | 38 #endif |
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61 #if defined(OS_POSIX) | 62 #if defined(OS_POSIX) |
62 terminate_child_on_shutdown_ = !CommandLine::ForCurrentProcess()-> | 63 terminate_child_on_shutdown_ = !CommandLine::ForCurrentProcess()-> |
63 HasSwitch(switches::kChildCleanExit); | 64 HasSwitch(switches::kChildCleanExit); |
64 #else | 65 #else |
65 terminate_child_on_shutdown_ = true; | 66 terminate_child_on_shutdown_ = true; |
66 #endif | 67 #endif |
67 } | 68 } |
68 | 69 |
69 void Launch( | 70 void Launch( |
70 #if defined(OS_WIN) | 71 #if defined(OS_WIN) |
71 const base::FilePath& exposed_dir, | 72 SandboxedProcessLauncherDelegate* delegate, |
72 #elif defined(OS_ANDROID) | 73 #elif defined(OS_ANDROID) |
73 int ipcfd, | 74 int ipcfd, |
74 #elif defined(OS_POSIX) | 75 #elif defined(OS_POSIX) |
75 bool use_zygote, | 76 bool use_zygote, |
76 const base::EnvironmentVector& environ, | 77 const base::EnvironmentVector& environ, |
77 int ipcfd, | 78 int ipcfd, |
78 #endif | 79 #endif |
79 CommandLine* cmd_line, | 80 CommandLine* cmd_line, |
80 int child_process_id, | 81 int child_process_id, |
81 Client* client) { | 82 Client* client) { |
82 client_ = client; | 83 client_ = client; |
83 | 84 |
84 CHECK(BrowserThread::GetCurrentThreadIdentifier(&client_thread_id_)); | 85 CHECK(BrowserThread::GetCurrentThreadIdentifier(&client_thread_id_)); |
85 | 86 |
86 #if defined(OS_ANDROID) | 87 #if defined(OS_ANDROID) |
87 // We need to close the client end of the IPC channel to reliably detect | 88 // We need to close the client end of the IPC channel to reliably detect |
88 // child termination. We will close this fd after we create the child | 89 // child termination. We will close this fd after we create the child |
89 // process which is asynchronous on Android. | 90 // process which is asynchronous on Android. |
90 ipcfd_ = ipcfd; | 91 ipcfd_ = ipcfd; |
91 #endif | 92 #endif |
92 BrowserThread::PostTask( | 93 BrowserThread::PostTask( |
93 BrowserThread::PROCESS_LAUNCHER, FROM_HERE, | 94 BrowserThread::PROCESS_LAUNCHER, FROM_HERE, |
94 base::Bind( | 95 base::Bind( |
95 &Context::LaunchInternal, | 96 &Context::LaunchInternal, |
96 make_scoped_refptr(this), | 97 make_scoped_refptr(this), |
97 client_thread_id_, | 98 client_thread_id_, |
98 child_process_id, | 99 child_process_id, |
99 #if defined(OS_WIN) | 100 #if defined(OS_WIN) |
100 exposed_dir, | 101 delegate, |
101 #elif defined(OS_ANDROID) | 102 #elif defined(OS_ANDROID) |
102 ipcfd, | 103 ipcfd, |
103 #elif defined(OS_POSIX) | 104 #elif defined(OS_POSIX) |
104 use_zygote, | 105 use_zygote, |
105 environ, | 106 environ, |
106 ipcfd, | 107 ipcfd, |
107 #endif | 108 #endif |
108 cmd_line)); | 109 cmd_line)); |
109 } | 110 } |
110 | 111 |
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173 done_first_launch = true; | 174 done_first_launch = true; |
174 } | 175 } |
175 } | 176 } |
176 | 177 |
177 static void LaunchInternal( | 178 static void LaunchInternal( |
178 // |this_object| is NOT thread safe. Only use it to post a task back. | 179 // |this_object| is NOT thread safe. Only use it to post a task back. |
179 scoped_refptr<Context> this_object, | 180 scoped_refptr<Context> this_object, |
180 BrowserThread::ID client_thread_id, | 181 BrowserThread::ID client_thread_id, |
181 int child_process_id, | 182 int child_process_id, |
182 #if defined(OS_WIN) | 183 #if defined(OS_WIN) |
183 const base::FilePath& exposed_dir, | 184 SandboxedProcessLauncherDelegate* delegate, |
184 #elif defined(OS_ANDROID) | 185 #elif defined(OS_ANDROID) |
185 int ipcfd, | 186 int ipcfd, |
186 #elif defined(OS_POSIX) | 187 #elif defined(OS_POSIX) |
187 bool use_zygote, | 188 bool use_zygote, |
188 const base::EnvironmentVector& env, | 189 const base::EnvironmentVector& env, |
189 int ipcfd, | 190 int ipcfd, |
190 #endif | 191 #endif |
191 CommandLine* cmd_line) { | 192 CommandLine* cmd_line) { |
192 scoped_ptr<CommandLine> cmd_line_deleter(cmd_line); | 193 scoped_ptr<CommandLine> cmd_line_deleter(cmd_line); |
193 base::TimeTicks begin_launch_time = base::TimeTicks::Now(); | 194 base::TimeTicks begin_launch_time = base::TimeTicks::Now(); |
194 | 195 |
195 #if defined(OS_WIN) | 196 #if defined(OS_WIN) |
196 base::ProcessHandle handle = StartProcessWithAccess(cmd_line, exposed_dir); | 197 scoped_ptr<SandboxedProcessLauncherDelegate> delegate_deleter(delegate); |
| 198 base::ProcessHandle handle = StartSandboxedProcess(delegate, cmd_line); |
197 #elif defined(OS_ANDROID) | 199 #elif defined(OS_ANDROID) |
198 // Android WebView runs in single process, ensure that we never get here | 200 // Android WebView runs in single process, ensure that we never get here |
199 // when running in single process mode. | 201 // when running in single process mode. |
200 CHECK(!cmd_line->HasSwitch(switches::kSingleProcess)); | 202 CHECK(!cmd_line->HasSwitch(switches::kSingleProcess)); |
201 | 203 |
202 std::string process_type = | 204 std::string process_type = |
203 cmd_line->GetSwitchValueASCII(switches::kProcessType); | 205 cmd_line->GetSwitchValueASCII(switches::kProcessType); |
204 std::vector<FileDescriptorInfo> files_to_register; | 206 std::vector<FileDescriptorInfo> files_to_register; |
205 files_to_register.push_back( | 207 files_to_register.push_back( |
206 FileDescriptorInfo(kPrimaryIPCChannel, | 208 FileDescriptorInfo(kPrimaryIPCChannel, |
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402 // The fd to close after creating the process. | 404 // The fd to close after creating the process. |
403 int ipcfd_; | 405 int ipcfd_; |
404 #elif defined(OS_POSIX) && !defined(OS_MACOSX) | 406 #elif defined(OS_POSIX) && !defined(OS_MACOSX) |
405 bool zygote_; | 407 bool zygote_; |
406 #endif | 408 #endif |
407 }; | 409 }; |
408 | 410 |
409 | 411 |
410 ChildProcessLauncher::ChildProcessLauncher( | 412 ChildProcessLauncher::ChildProcessLauncher( |
411 #if defined(OS_WIN) | 413 #if defined(OS_WIN) |
412 const base::FilePath& exposed_dir, | 414 SandboxedProcessLauncherDelegate* delegate, |
413 #elif defined(OS_POSIX) | 415 #elif defined(OS_POSIX) |
414 bool use_zygote, | 416 bool use_zygote, |
415 const base::EnvironmentVector& environ, | 417 const base::EnvironmentVector& environ, |
416 int ipcfd, | 418 int ipcfd, |
417 #endif | 419 #endif |
418 CommandLine* cmd_line, | 420 CommandLine* cmd_line, |
419 int child_process_id, | 421 int child_process_id, |
420 Client* client) { | 422 Client* client) { |
421 context_ = new Context(); | 423 context_ = new Context(); |
422 context_->Launch( | 424 context_->Launch( |
423 #if defined(OS_WIN) | 425 #if defined(OS_WIN) |
424 exposed_dir, | 426 delegate, |
425 #elif defined(OS_ANDROID) | 427 #elif defined(OS_ANDROID) |
426 ipcfd, | 428 ipcfd, |
427 #elif defined(OS_POSIX) | 429 #elif defined(OS_POSIX) |
428 use_zygote, | 430 use_zygote, |
429 environ, | 431 environ, |
430 ipcfd, | 432 ipcfd, |
431 #endif | 433 #endif |
432 cmd_line, | 434 cmd_line, |
433 child_process_id, | 435 child_process_id, |
434 client); | 436 client); |
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491 GetHandle(), background)); | 493 GetHandle(), background)); |
492 } | 494 } |
493 | 495 |
494 void ChildProcessLauncher::SetTerminateChildOnShutdown( | 496 void ChildProcessLauncher::SetTerminateChildOnShutdown( |
495 bool terminate_on_shutdown) { | 497 bool terminate_on_shutdown) { |
496 if (context_) | 498 if (context_) |
497 context_->set_terminate_child_on_shutdown(terminate_on_shutdown); | 499 context_->set_terminate_child_on_shutdown(terminate_on_shutdown); |
498 } | 500 } |
499 | 501 |
500 } // namespace content | 502 } // namespace content |
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