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
|
// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/installer/util/installation_state.h"
#include "base/logging.h"
#include "base/string_util.h"
#include "base/version.h"
#include "base/win/registry.h"
#include "chrome/installer/util/google_update_constants.h"
#include "chrome/installer/util/install_util.h"
namespace installer {
ProductState::ProductState()
: uninstall_command_(CommandLine::NO_PROGRAM),
msi_(false),
multi_install_(false) {
}
bool ProductState::Initialize(bool system_install,
BrowserDistribution::Type type) {
return Initialize(system_install,
BrowserDistribution::GetSpecificDistribution(type));
}
// Initializes |commands| from the "Commands" subkey of |version_key|.
// Returns false if there is no "Commands" subkey or on error.
// static
bool ProductState::InitializeCommands(const base::win::RegKey& version_key,
AppCommands* commands) {
static const DWORD kAccess = KEY_ENUMERATE_SUB_KEYS | KEY_QUERY_VALUE;
base::win::RegKey commands_key;
if (commands_key.Open(version_key.Handle(), google_update::kRegCommandsKey,
kAccess) == ERROR_SUCCESS)
return commands->Initialize(commands_key);
return false;
}
bool ProductState::Initialize(bool system_install,
BrowserDistribution* distribution) {
const std::wstring version_key(distribution->GetVersionKey());
const std::wstring state_key(distribution->GetStateKey());
const HKEY root_key = system_install ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER;
base::win::RegKey key;
// Clear the runway.
Clear();
// Read from the Clients key.
if (key.Open(root_key, version_key.c_str(),
KEY_QUERY_VALUE) == ERROR_SUCCESS) {
std::wstring version_str;
if (key.ReadValue(google_update::kRegVersionField,
&version_str) == ERROR_SUCCESS) {
version_.reset(Version::GetVersionFromString(WideToASCII(version_str)));
}
// Attempt to read the other values even if the "pv" version value was
// absent. Note that ProductState instances containing these values will
// only be accessible via InstallationState::GetNonVersionedProductState.
if (key.ReadValue(google_update::kRegOldVersionField,
&version_str) == ERROR_SUCCESS) {
old_version_.reset(
Version::GetVersionFromString(WideToASCII(version_str)));
}
key.ReadValue(google_update::kRegRenameCmdField, &rename_cmd_);
if (!InitializeCommands(key, &commands_))
commands_.Clear();
}
// Read from the ClientState key.
if (key.Open(root_key, state_key.c_str(),
KEY_QUERY_VALUE) == ERROR_SUCCESS) {
std::wstring setup_path;
std::wstring uninstall_arguments;
// "ap" will be absent if not managed by Google Update.
channel_.Initialize(key);
// Read in the brand code, it may be absent
key.ReadValue(google_update::kRegBrandField, &brand_);
// "UninstallString" will be absent for the multi-installer package.
key.ReadValue(kUninstallStringField, &setup_path);
// "UninstallArguments" will be absent for the multi-installer package.
key.ReadValue(kUninstallArgumentsField, &uninstall_arguments);
InstallUtil::MakeUninstallCommand(setup_path, uninstall_arguments,
&uninstall_command_);
// "msi" may be absent, 0 or 1
DWORD dw_value = 0;
msi_ = (key.ReadValueDW(google_update::kRegMSIField,
&dw_value) == ERROR_SUCCESS) && (dw_value != 0);
// Multi-install is implied or is derived from the command-line.
if (distribution->GetType() == BrowserDistribution::CHROME_BINARIES)
multi_install_ = true;
else
multi_install_ = uninstall_command_.HasSwitch(switches::kMultiInstall);
}
return version_.get() != NULL;
}
FilePath ProductState::GetSetupPath() const {
return uninstall_command_.GetProgram();
}
const Version& ProductState::version() const {
DCHECK(version_.get() != NULL);
return *version_;
}
ProductState& ProductState::CopyFrom(const ProductState& other) {
channel_.set_value(other.channel_.value());
version_.reset(other.version_.get() == NULL ? NULL : other.version_->Clone());
old_version_.reset(
other.old_version_.get() == NULL ? NULL : other.old_version_->Clone());
brand_ = other.brand_;
rename_cmd_ = other.rename_cmd_;
uninstall_command_ = other.uninstall_command_;
commands_.CopyFrom(other.commands_);
msi_ = other.msi_;
multi_install_ = other.multi_install_;
return *this;
}
void ProductState::Clear() {
channel_.set_value(std::wstring());
version_.reset();
old_version_.reset();
brand_.clear();
rename_cmd_.clear();
uninstall_command_ = CommandLine(CommandLine::NO_PROGRAM);
commands_.Clear();
msi_ = false;
multi_install_ = false;
}
InstallationState::InstallationState() {
}
// static
int InstallationState::IndexFromDistType(BrowserDistribution::Type type) {
COMPILE_ASSERT(BrowserDistribution::CHROME_BROWSER == CHROME_BROWSER_INDEX,
unexpected_chrome_browser_distribution_value_);
COMPILE_ASSERT(BrowserDistribution::CHROME_FRAME == CHROME_FRAME_INDEX,
unexpected_chrome_frame_distribution_value_);
COMPILE_ASSERT(BrowserDistribution::CHROME_BINARIES == CHROME_BINARIES_INDEX,
unexpected_chrome_frame_distribution_value_);
DCHECK(type == BrowserDistribution::CHROME_BROWSER ||
type == BrowserDistribution::CHROME_FRAME ||
type == BrowserDistribution::CHROME_BINARIES);
return type;
}
void InstallationState::Initialize() {
BrowserDistribution* distribution;
distribution = BrowserDistribution::GetSpecificDistribution(
BrowserDistribution::CHROME_BROWSER);
user_products_[CHROME_BROWSER_INDEX].Initialize(false, distribution);
system_products_[CHROME_BROWSER_INDEX].Initialize(true, distribution);
distribution = BrowserDistribution::GetSpecificDistribution(
BrowserDistribution::CHROME_FRAME);
user_products_[CHROME_FRAME_INDEX].Initialize(false, distribution);
system_products_[CHROME_FRAME_INDEX].Initialize(true, distribution);
distribution = BrowserDistribution::GetSpecificDistribution(
BrowserDistribution::CHROME_BINARIES);
user_products_[CHROME_BINARIES_INDEX].Initialize(false, distribution);
system_products_[CHROME_BINARIES_INDEX].Initialize(true, distribution);
}
const ProductState* InstallationState::GetNonVersionedProductState(
bool system_install,
BrowserDistribution::Type type) const {
const ProductState& product_state = (system_install ? system_products_ :
user_products_)[IndexFromDistType(type)];
return &product_state;
}
const ProductState* InstallationState::GetProductState(
bool system_install,
BrowserDistribution::Type type) const {
const ProductState* product_state =
GetNonVersionedProductState(system_install, type);
return product_state->version_.get() == NULL ? NULL : product_state;
}
} // namespace installer
|
