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
|
// Copyright (c) 2011 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/browser/ui/crypto_module_password_dialog_nss.h"
#include <pk11pub.h>
#include "base/bind.h"
#include "base/logging.h"
#include "content/public/browser/browser_thread.h"
#include "net/base/crypto_module.h"
#include "net/cert/x509_certificate.h"
using content::BrowserThread;
namespace {
bool ShouldShowDialog(const net::CryptoModule* module) {
// The wincx arg is unused since we don't call PK11_SetIsLoggedInFunc.
return (PK11_NeedLogin(module->os_module_handle()) &&
!PK11_IsLoggedIn(module->os_module_handle(), NULL /* wincx */));
}
// Basically an asynchronous implementation of NSS's PK11_DoPassword.
// Note: This currently handles only the simple case. See the TODOs in
// GotPassword for what is yet unimplemented.
class SlotUnlocker {
public:
SlotUnlocker(const net::CryptoModuleList& modules,
chrome::CryptoModulePasswordReason reason,
const net::HostPortPair& server,
gfx::NativeWindow parent,
const base::Closure& callback);
void Start();
private:
void GotPassword(const std::string& password);
void Done();
size_t current_;
net::CryptoModuleList modules_;
chrome::CryptoModulePasswordReason reason_;
net::HostPortPair server_;
gfx::NativeWindow parent_;
base::Closure callback_;
PRBool retry_;
};
SlotUnlocker::SlotUnlocker(const net::CryptoModuleList& modules,
chrome::CryptoModulePasswordReason reason,
const net::HostPortPair& server,
gfx::NativeWindow parent,
const base::Closure& callback)
: current_(0),
modules_(modules),
reason_(reason),
server_(server),
parent_(parent),
callback_(callback),
retry_(PR_FALSE) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
}
void SlotUnlocker::Start() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
for (; current_ < modules_.size(); ++current_) {
if (ShouldShowDialog(modules_[current_].get())) {
ShowCryptoModulePasswordDialog(
modules_[current_]->GetTokenName(),
retry_,
reason_,
server_.host(),
parent_,
base::Bind(&SlotUnlocker::GotPassword, base::Unretained(this)));
return;
}
}
Done();
}
void SlotUnlocker::GotPassword(const std::string& password) {
// TODO(mattm): PK11_DoPassword has something about PK11_Global.verifyPass.
// Do we need it?
// http://mxr.mozilla.org/mozilla/source/security/nss/lib/pk11wrap/pk11auth.c#577
if (password.empty()) {
// User cancelled entering password. Oh well.
++current_;
Start();
return;
}
// TODO(mattm): handle protectedAuthPath
SECStatus rv = PK11_CheckUserPassword(modules_[current_]->os_module_handle(),
password.c_str());
if (rv == SECWouldBlock) {
// Incorrect password. Try again.
retry_ = PR_TRUE;
Start();
return;
}
// TODO(mattm): PK11_DoPassword calls nssTrustDomain_UpdateCachedTokenCerts on
// non-friendly slots. How important is that?
// Correct password (SECSuccess) or too many attempts/other failure
// (SECFailure). Either way we're done with this slot.
++current_;
Start();
}
void SlotUnlocker::Done() {
DCHECK_EQ(current_, modules_.size());
callback_.Run();
delete this;
}
} // namespace
namespace chrome {
void UnlockSlotsIfNecessary(const net::CryptoModuleList& modules,
chrome::CryptoModulePasswordReason reason,
const net::HostPortPair& server,
gfx::NativeWindow parent,
const base::Closure& callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
for (size_t i = 0; i < modules.size(); ++i) {
if (ShouldShowDialog(modules[i].get())) {
(new SlotUnlocker(modules, reason, server, parent, callback))->Start();
return;
}
}
callback.Run();
}
void UnlockCertSlotIfNecessary(net::X509Certificate* cert,
chrome::CryptoModulePasswordReason reason,
const net::HostPortPair& server,
gfx::NativeWindow parent,
const base::Closure& callback) {
net::CryptoModuleList modules;
modules.push_back(net::CryptoModule::CreateFromHandle(
cert->os_cert_handle()->slot));
UnlockSlotsIfNecessary(modules, reason, server, parent, callback);
}
} // namespace chrome
|
