1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <windows.h>
#include <tchar.h>
#include "base/at_exit.h"
#include "base/base_switches.h"
#include "base/command_line.h"
#include "base/debug_on_start.h"
#include "chrome/app/breakpad.h"
#include "chrome/app/client_util.h"
#include "chrome/app/google_update_client.h"
#include "chrome/app/result_codes.h"
#include "chrome/common/chrome_switches.h"
#include "sandbox/src/sandbox_factory.h"
#include "sandbox/src/dep.h"
int APIENTRY wWinMain(HINSTANCE instance, HINSTANCE prev_instance,
wchar_t* command_line, int show_command) {
// The exit manager is in charge of calling the dtors of singletons.
base::AtExitManager exit_manager;
// Note that std::wstring and CommandLine got linked anyway because of
// breakpad.
CommandLine parsed_command_line;
std::wstring process_type =
parsed_command_line.GetSwitchValue(switches::kProcessType);
const wchar_t* dll_name = L"chrome.dll";
if (process_type == switches::kPluginProcess) {
// Plugin process.
// For plugins, we enable ATL7 thunking support because we saw old activex
// built with VC2002 in the wild still being used.
sandbox::SetCurrentProcessDEP(sandbox::DEP_ENABLED_ATL7_COMPAT);
} else if (process_type == switches::kRendererProcess) {
// Renderer process.
// For the processes we control, we enforce strong DEP support.
sandbox::SetCurrentProcessDEP(sandbox::DEP_ENABLED);
} else {
// Browser process.
// For the processes we control, we enforce strong DEP support.
sandbox::SetCurrentProcessDEP(sandbox::DEP_ENABLED);
}
// Get the interface pointer to the BrokerServices or TargetServices,
// depending who we are.
sandbox::SandboxInterfaceInfo sandbox_info = {0};
sandbox_info.broker_services = sandbox::SandboxFactory::GetBrokerServices();
if (!sandbox_info.broker_services)
sandbox_info.target_services = sandbox::SandboxFactory::GetTargetServices();
#if defined(GOOGLE_CHROME_BUILD)
google_update::GoogleUpdateClient client;
// TODO(erikkay): Get guid from build macros rather than hardcoding.
// TODO(erikkay): verify client.Init() return value for official builds
client.Init(L"{8A69D345-D564-463c-AFF1-A69D9E530F96}", dll_name);
// Initialize the crash reporter.
InitCrashReporter(client.GetDLLPath());
bool exit_now = false;
if (ShowRestartDialogIfCrashed(&exit_now)) {
// We have restarted because of a previous crash. The user might
// decide that he does not want to continue.
if (exit_now)
return ResultCodes::NORMAL_EXIT;
}
int ret = 0;
if (client.Launch(instance, &sandbox_info, command_line, show_command,
"ChromeMain", &ret)) {
return ret;
}
#else
wchar_t exe_path[MAX_PATH] = {0};
client_util::GetExecutablePath(exe_path);
wchar_t *version;
if (client_util::GetChromiumVersion(exe_path, L"Software\\Chromium",
&version)) {
std::wstring dll_path(exe_path);
dll_path.append(version);
if (client_util::FileExists(dll_path.c_str()))
::SetCurrentDirectory(dll_path.c_str());
delete[] version;
}
HINSTANCE dll_handle = ::LoadLibraryEx(dll_name, NULL,
LOAD_WITH_ALTERED_SEARCH_PATH);
if (NULL != dll_handle) {
client_util::DLL_MAIN entry = reinterpret_cast<client_util::DLL_MAIN>(
::GetProcAddress(dll_handle, "ChromeMain"));
if (NULL != entry)
return (entry)(instance, &sandbox_info, command_line, show_command);
}
#endif
return ResultCodes::GOOGLE_UPDATE_LAUNCH_FAILED;
}
|
