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
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
|
// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// This app is written as a windowsless win32 app instead of a console app so
// that the app can be made entireless silent, as required by omaha.
#include <Windows.h>
#include <shlobj.h> // Needed for IsUserAnAdmin()
#include <stdlib.h>
#include <algorithm>
#include <string>
#include "base/at_exit.h"
#include "base/command_line.h"
#include "base/compiler_specific.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/logging.h"
#include "base/process/memory.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/utf_string_conversions.h"
#include "base/win/atl.h"
#include "base/win/process_startup_helper.h"
#include "base/win/scoped_com_initializer.h"
#include "base/win/scoped_handle.h"
#include "base/win/windows_handle_util.h"
#include "base/win/windows_version.h"
#include "chrome/common/chrome_version.h"
#include "chrome/credential_provider/eventlog/gcp_eventlog_messages.h"
#include "chrome/credential_provider/gaiacp/gcp_utils.h"
#include "chrome/credential_provider/gaiacp/logging.h"
#include "chrome/credential_provider/gaiacp/reg_utils.h"
#include "chrome/credential_provider/setup/gcp_installer_crash_reporting.h"
#include "chrome/credential_provider/setup/setup_lib.h"
#include "chrome/credential_provider/setup/setup_utils.h"
#include "components/crash/core/app/crash_switches.h"
#include "components/crash/core/app/run_as_crashpad_handler_win.h"
#include "content/public/common/content_switches.h"
using credential_provider::GetGlobalFlagOrDefault;
using credential_provider::kRegEnableVerboseLogging;
using credential_provider::MakeGcpwDefaultCP;
using credential_provider::putHR;
namespace {
bool IsPerUserInstallFromGoogleUpdate() {
wchar_t value[2];
DWORD length = ::GetEnvironmentVariable(L"GoogleUpdateIsMachine", value,
std::size(value));
return length == 1 && value[0] == L'0';
}
} // namespace
int APIENTRY wWinMain(HINSTANCE hInstance,
HINSTANCE /*hPrevInstance*/,
wchar_t* lpCmdLine,
int /*nCmdShow*/) {
HRESULT hr = S_OK;
// Initialize base. Command line will be set from GetCommandLineW().
base::AtExitManager exit_manager;
base::CommandLine::Init(0, nullptr);
base::CommandLine* cmdline = base::CommandLine::ForCurrentProcess();
std::string process_type =
cmdline->GetSwitchValueASCII(switches::kProcessType);
if (process_type == crash_reporter::switches::kCrashpadHandler) {
return crash_reporter::RunAsCrashpadHandler(*cmdline, base::FilePath(),
switches::kProcessType, "");
}
// Initialize logging.
logging::LoggingSettings settings;
settings.logging_dest = logging::LOG_NONE;
// See if the log file path was specified on the command line.
base::FilePath log_file_path = cmdline->GetSwitchValuePath("log-file");
if (!log_file_path.empty()) {
settings.logging_dest = logging::LOG_TO_FILE;
settings.log_file_path = log_file_path.value().c_str();
}
logging::InitLogging(settings);
logging::SetLogItems(true, // Enable process id.
true, // Enable thread id.
true, // Enable timestamp.
false); // Enable tickcount.
logging::SetEventSource("GCPW", GCPW_CATEGORY, MSG_LOG_MESSAGE);
if (GetGlobalFlagOrDefault(kRegEnableVerboseLogging, 1))
logging::SetMinLogLevel(logging::LOGGING_VERBOSE);
// Set GCPW as the default credential provider for the end user.
MakeGcpwDefaultCP();
if (cmdline->HasSwitch(switches::kLoggingLevel)) {
std::string log_level =
cmdline->GetSwitchValueASCII(switches::kLoggingLevel);
int level = 0;
if (base::StringToInt(log_level, &level) && level >= 0 &&
level < logging::LOGGING_NUM_SEVERITIES) {
logging::SetMinLogLevel(level);
} else {
LOGFN(WARNING) << "Bad log level: " << log_level;
}
}
// Make sure the process exits cleanly on unexpected errors.
base::EnableTerminationOnHeapCorruption();
base::EnableTerminationOnOutOfMemory();
logging::RegisterAbslAbortHook();
base::win::RegisterInvalidParamHandler();
base::win::SetupCRT(*base::CommandLine::ForCurrentProcess());
if (!::IsUserAnAdmin()) {
LOGFN(ERROR) << "Setup must be run with administrative privilege.";
return -1;
}
credential_provider::ConfigureGcpInstallerCrashReporting(*cmdline);
// If the program is being run to either enable or disable stats, do that
// and exit.
if (cmdline->HasSwitch(credential_provider::switches::kEnableStats) ||
cmdline->HasSwitch(credential_provider::switches::kDisableStats)) {
return credential_provider::EnableStatsCollection(*cmdline);
}
base::FilePath gcp_setup_exe_path;
hr = credential_provider::GetPathToDllFromHandle(hInstance,
&gcp_setup_exe_path);
if (FAILED(hr)) {
LOGFN(ERROR) << "GetPathToDllFromHandle hr=" << putHR(hr);
return -1;
}
wchar_t time_string[64];
if (::GetTimeFormatEx(LOCALE_NAME_USER_DEFAULT, 0, nullptr, nullptr,
time_string, std::size(time_string)) == 0) {
HRESULT last_error_hr = HRESULT_FROM_WIN32(::GetLastError());
LOGFN(ERROR) << "GetTimeFormatEx(start) hr=" << putHR(last_error_hr);
UNSAFE_TODO(wcscpy_s(time_string, std::size(time_string), L"Unknown"));
}
LOGFN(INFO) << "Start: " << time_string;
LOGFN(INFO) << "Module: " << gcp_setup_exe_path;
LOGFN(INFO) << "Args: " << lpCmdLine;
LOGFN(INFO) << "Version: " << TEXT(CHROME_VERSION_STRING);
LOGFN(INFO) << "Windows: " << base::win::OSInfo::Kernel32BaseVersion()
<< " Version:" << credential_provider::GetWindowsVersion();
// If running from omaha, make sure machine install is used.
if (IsPerUserInstallFromGoogleUpdate()) {
LOGFN(ERROR) << "Only machine installs supported with Google Update";
return -1;
}
base::win::ScopedCOMInitializer com_initializer(
base::win::ScopedCOMInitializer::kMTA);
// Parse command line.
bool is_uninstall =
cmdline->HasSwitch(credential_provider::switches::kUninstall);
base::FilePath path =
cmdline->GetSwitchValuePath(credential_provider::switches::kInstallPath);
std::string parent_handle_str = cmdline->GetSwitchValueASCII(
credential_provider::switches::kParentHandle);
credential_provider::StandaloneInstallerConfigurator::Get()
->ConfigureInstallationType(*cmdline);
if (is_uninstall) {
// If this is a user invoked uninstall, copy the exe to the temp directory
// and rerun it from there. Append a new arg so that setup knows it is not
// user invoked and where to uninstall from.
if (path.empty()) {
hr = credential_provider::RelaunchUninstaller(gcp_setup_exe_path);
} else {
// Wait for parent process to exit. Proceed in any case.
if (!parent_handle_str.empty()) {
uint32_t parent_handle_value;
if (base::StringToUint(parent_handle_str, &parent_handle_value)) {
base::win::ScopedHandle parent_handle(
base::win::Uint32ToHandle(parent_handle_value));
DWORD ret = ::WaitForSingleObject(parent_handle.Get(), 5000);
LOGFN(VERBOSE) << "Waited for parent(" << parent_handle.Get()
<< "): ret=" << ret;
}
}
hr = credential_provider::DoUninstall(gcp_setup_exe_path, path, nullptr);
// Schedule the installer to be deleted on the next reboot.
if (!base::DeleteFileAfterReboot(gcp_setup_exe_path)) {
HRESULT last_error_hr = HRESULT_FROM_WIN32(::GetLastError());
LOGFN(ERROR) << "DeleteFileAfterReboot hr=" << putHR(last_error_hr);
}
}
} else {
hr = credential_provider::DoInstall(gcp_setup_exe_path,
TEXT(CHROME_VERSION_STRING), nullptr);
}
// Log success or failure only if uninstall was not launched as a separate
// process.
if (!(is_uninstall && path.empty())) {
if (::GetTimeFormatEx(LOCALE_NAME_USER_DEFAULT, 0, nullptr, nullptr,
time_string, std::size(time_string)) == 0) {
HRESULT last_error_hr = HRESULT_FROM_WIN32(::GetLastError());
LOGFN(ERROR) << "GetTimeFormatEx(end) hr=" << putHR(last_error_hr);
UNSAFE_TODO(wcscpy_s(time_string, std::size(time_string), L"Unknown"));
}
LOGFN(INFO) << (SUCCEEDED(hr) ? "Setup completed successfully"
: "Setup failed")
<< ". " << time_string;
}
return 0;
}
|
