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
|
// Copyright 2016 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 "components/os_crypt/key_storage_linux.h"
#include "base/environment.h"
#include "base/lazy_instance.h"
#include "base/logging.h"
#include "base/nix/xdg_util.h"
#include "base/single_thread_task_runner.h"
#include "components/os_crypt/key_storage_util_linux.h"
#if defined(USE_LIBSECRET)
#include "components/os_crypt/key_storage_libsecret.h"
#endif
#if defined(USE_KEYRING)
#include "components/os_crypt/key_storage_keyring.h"
#endif
#if defined(USE_KWALLET)
#include "components/os_crypt/key_storage_kwallet.h"
#endif
#if defined(GOOGLE_CHROME_BUILD)
const char KeyStorageLinux::kFolderName[] = "Chrome Keys";
const char KeyStorageLinux::kKey[] = "Chrome Safe Storage";
#else
const char KeyStorageLinux::kFolderName[] = "Chromium Keys";
const char KeyStorageLinux::kKey[] = "Chromium Safe Storage";
#endif
namespace {
// Parameters to OSCrypt, which are set before the first call to OSCrypt, are
// stored here.
struct Configuration {
std::string store;
std::string product_name;
scoped_refptr<base::SingleThreadTaskRunner> main_thread_runner;
};
base::LazyInstance<Configuration> g_config = LAZY_INSTANCE_INITIALIZER;
} // namespace
// static
void KeyStorageLinux::SetStore(const std::string& store_type) {
g_config.Get().store = store_type;
VLOG(1) << "OSCrypt store set to " << store_type;
}
// static
void KeyStorageLinux::SetProductName(const std::string& product_name) {
g_config.Get().product_name = product_name;
}
// static
void KeyStorageLinux::SetMainThreadRunner(
scoped_refptr<base::SingleThreadTaskRunner> main_thread_runner) {
g_config.Get().main_thread_runner = main_thread_runner;
}
// static
std::unique_ptr<KeyStorageLinux> KeyStorageLinux::CreateService() {
#if defined(USE_LIBSECRET) || defined(USE_KEYRING) || defined(USE_KWALLET)
// Select a backend.
std::unique_ptr<base::Environment> env(base::Environment::Create());
base::nix::DesktopEnvironment desktop_env =
base::nix::GetDesktopEnvironment(env.get());
os_crypt::SelectedLinuxBackend selected_backend =
os_crypt::SelectBackend(g_config.Get().store, desktop_env);
// Try initializing the selected backend.
// In case of GNOME_ANY, prefer Libsecret
std::unique_ptr<KeyStorageLinux> key_storage;
#if defined(USE_LIBSECRET)
if (selected_backend == os_crypt::SelectedLinuxBackend::GNOME_ANY ||
selected_backend == os_crypt::SelectedLinuxBackend::GNOME_LIBSECRET) {
key_storage.reset(new KeyStorageLibsecret());
if (key_storage->Init()) {
VLOG(1) << "OSCrypt using Libsecret as backend.";
return key_storage;
}
}
#endif // defined(USE_LIBSECRET)
#if defined(USE_KEYRING)
if (selected_backend == os_crypt::SelectedLinuxBackend::GNOME_ANY ||
selected_backend == os_crypt::SelectedLinuxBackend::GNOME_KEYRING) {
key_storage.reset(new KeyStorageKeyring(g_config.Get().main_thread_runner));
if (key_storage->Init()) {
VLOG(1) << "OSCrypt using Keyring as backend.";
return key_storage;
}
}
#endif // defined(USE_KEYRING)
#if defined(USE_KWALLET)
if (selected_backend == os_crypt::SelectedLinuxBackend::KWALLET ||
selected_backend == os_crypt::SelectedLinuxBackend::KWALLET5) {
DCHECK(!g_config.Get().product_name.empty());
base::nix::DesktopEnvironment used_desktop_env =
selected_backend == os_crypt::SelectedLinuxBackend::KWALLET
? base::nix::DESKTOP_ENVIRONMENT_KDE4
: base::nix::DESKTOP_ENVIRONMENT_KDE5;
key_storage.reset(
new KeyStorageKWallet(used_desktop_env, g_config.Get().product_name));
if (key_storage->Init()) {
VLOG(1) << "OSCrypt using KWallet as backend.";
return key_storage;
}
}
#endif // defined(USE_KWALLET)
#endif // defined(USE_LIBSECRET) || defined(USE_KEYRING) ||
// defined(USE_KWALLET)
// The appropriate store was not available.
VLOG(1) << "OSCrypt could not initialize a backend.";
return nullptr;
}
|
