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
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
|
/*
* Copyright (c) 2012-2016 Arne Schwabe
* Distributed under the GNU GPL v2 with additional terms. For full terms see the file doc/LICENSE.txt
*/
package de.blinkt.openvpn.fragments;
import android.annotation.TargetApi;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.content.ActivityNotFoundException;
import android.content.Intent;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.Handler.Callback;
import android.os.Message;
import android.security.KeyChain;
import android.security.KeyChainAliasCallback;
import android.security.KeyChainException;
import android.util.SparseArray;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.TextView;
import java.security.cert.X509Certificate;
import de.blinkt.openvpn.R;
import de.blinkt.openvpn.R.id;
import de.blinkt.openvpn.VpnProfile;
import de.blinkt.openvpn.core.ProfileManager;
import de.blinkt.openvpn.core.X509Utils;
import de.blinkt.openvpn.views.FileSelectLayout;
public class Settings_Basic extends Settings_Fragment implements View.OnClickListener, OnItemSelectedListener, Callback, FileSelectLayout.FileSelectCallback {
private static final int CHOOSE_FILE_OFFSET = 1000;
private static final int UPDATE_ALIAS = 20;
private FileSelectLayout mClientCert;
private FileSelectLayout mCaCert;
private FileSelectLayout mClientKey;
private TextView mAliasName;
private TextView mAliasCertificate;
private CheckBox mUseLzo;
private Spinner mType;
private FileSelectLayout mpkcs12;
private TextView mPKCS12Password;
private Handler mHandler;
private EditText mUserName;
private EditText mPassword;
private View mView;
private EditText mProfileName;
private EditText mKeyPassword;
private SparseArray<FileSelectLayout> fileselects = new SparseArray<>();
private void addFileSelectLayout (FileSelectLayout fsl, Utils.FileType type) {
int i = fileselects.size() + CHOOSE_FILE_OFFSET;
fileselects.put(i, fsl);
fsl.setCaller(this, i, type);
}
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
private void setKeystoreCertficate()
{
new Thread() {
public void run() {
String certstr="";
try {
X509Certificate cert = KeyChain.getCertificateChain(getActivity(), mProfile.mAlias)[0];
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
{
if (isInHardwareKeystore())
certstr+=getString(R.string.hwkeychain);
}
}
certstr+=X509Utils.getCertificateValidityString(cert, getResources());
certstr+=X509Utils.getCertificateFriendlyName(cert);
} catch (Exception e) {
certstr="Could not get certificate from Keystore: " +e.getLocalizedMessage();
}
final String certStringCopy=certstr;
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
mAliasCertificate.setText(certStringCopy);
}
});
}
}.start();
}
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2)
private boolean isInHardwareKeystore() throws KeyChainException, InterruptedException {
String algorithm = KeyChain.getPrivateKey(getActivity(), mProfile.mAlias).getAlgorithm();
return KeyChain.isBoundKeyAlgorithm(algorithm);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
mView = inflater.inflate(R.layout.basic_settings,container,false);
mProfileName = (EditText) mView.findViewById(R.id.profilename);
mClientCert = (FileSelectLayout) mView.findViewById(R.id.certselect);
mClientKey = (FileSelectLayout) mView.findViewById(R.id.keyselect);
mCaCert = (FileSelectLayout) mView.findViewById(R.id.caselect);
mpkcs12 = (FileSelectLayout) mView.findViewById(R.id.pkcs12select);
mUseLzo = (CheckBox) mView.findViewById(R.id.lzo);
mType = (Spinner) mView.findViewById(R.id.type);
mPKCS12Password = (TextView) mView.findViewById(R.id.pkcs12password);
mAliasName = (TextView) mView.findViewById(R.id.aliasname);
mAliasCertificate = (TextView) mView.findViewById(id.alias_certificate);
mUserName = (EditText) mView.findViewById(R.id.auth_username);
mPassword = (EditText) mView.findViewById(R.id.auth_password);
mKeyPassword = (EditText) mView.findViewById(R.id.key_password);
addFileSelectLayout(mCaCert, Utils.FileType.CA_CERTIFICATE);
addFileSelectLayout(mClientCert, Utils.FileType.CLIENT_CERTIFICATE);
addFileSelectLayout(mClientKey, Utils.FileType.KEYFILE);
addFileSelectLayout(mpkcs12, Utils.FileType.PKCS12);
mCaCert.setShowClear();
mType.setOnItemSelectedListener(this);
mView.findViewById(R.id.select_keystore_button).setOnClickListener(this);
if (mHandler == null) {
mHandler = new Handler(this);
}
return mView;
}
@Override
public void onStart() {
super.onStart();
String profileUuid =getArguments().getString(getActivity().getPackageName() + ".profileUUID");
mProfile=ProfileManager.get(getActivity(),profileUuid);
loadPreferences();
}
@Override
public void onActivityResult(int request, int result, Intent data) {
if (result == Activity.RESULT_OK && request >= CHOOSE_FILE_OFFSET) {
FileSelectLayout fsl = fileselects.get(request);
fsl.parseResponse(data, getActivity());
savePreferences();
// Private key files may result in showing/hiding the private key password dialog
if(fsl==mClientKey) {
changeType(mType.getSelectedItemPosition());
}
}
}
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
if (parent == mType) {
changeType(position);
}
}
private void changeType(int type){
// hide everything
mView.findViewById(R.id.pkcs12).setVisibility(View.GONE);
mView.findViewById(R.id.certs).setVisibility(View.GONE);
mView.findViewById(R.id.statickeys).setVisibility(View.GONE);
mView.findViewById(R.id.keystore).setVisibility(View.GONE);
mView.findViewById(R.id.cacert).setVisibility(View.GONE);
((FileSelectLayout) mView.findViewById(R.id.caselect)).setClearable(false);
mView.findViewById(R.id.userpassword).setVisibility(View.GONE);
mView.findViewById(R.id.key_password_layout).setVisibility(View.GONE);
// Fall through are by design
switch(type) {
case VpnProfile.TYPE_USERPASS_CERTIFICATES:
mView.findViewById(R.id.userpassword).setVisibility(View.VISIBLE);
case VpnProfile.TYPE_CERTIFICATES:
mView.findViewById(R.id.certs).setVisibility(View.VISIBLE);
mView.findViewById(R.id.cacert).setVisibility(View.VISIBLE);
if(mProfile.requireTLSKeyPassword())
mView.findViewById(R.id.key_password_layout).setVisibility(View.VISIBLE);
break;
case VpnProfile.TYPE_USERPASS_PKCS12:
mView.findViewById(R.id.userpassword).setVisibility(View.VISIBLE);
case VpnProfile.TYPE_PKCS12:
mView.findViewById(R.id.pkcs12).setVisibility(View.VISIBLE);
break;
case VpnProfile.TYPE_STATICKEYS:
mView.findViewById(R.id.statickeys).setVisibility(View.VISIBLE);
break;
case VpnProfile.TYPE_USERPASS_KEYSTORE:
mView.findViewById(R.id.userpassword).setVisibility(View.VISIBLE);
case VpnProfile.TYPE_KEYSTORE:
mView.findViewById(R.id.keystore).setVisibility(View.VISIBLE);
mView.findViewById(R.id.cacert).setVisibility(View.VISIBLE);
((FileSelectLayout) mView.findViewById(R.id.caselect)).setClearable(true);
break;
case VpnProfile.TYPE_USERPASS:
mView.findViewById(R.id.userpassword).setVisibility(View.VISIBLE);
mView.findViewById(R.id.cacert).setVisibility(View.VISIBLE);
break;
}
}
private void loadPreferences() {
mProfileName.setText(mProfile.mName);
mClientCert.setData(mProfile.mClientCertFilename, getActivity());
mClientKey.setData(mProfile.mClientKeyFilename, getActivity());
mCaCert.setData(mProfile.mCaFilename, getActivity());
mUseLzo.setChecked(mProfile.mUseLzo);
mType.setSelection(mProfile.mAuthenticationType);
mpkcs12.setData(mProfile.mPKCS12Filename, getActivity());
mPKCS12Password.setText(mProfile.mPKCS12Password);
mUserName.setText(mProfile.mUsername);
mPassword.setText(mProfile.mPassword);
mKeyPassword.setText(mProfile.mKeyPassword);
setAlias();
}
protected void savePreferences() {
mProfile.mName = mProfileName.getText().toString();
mProfile.mCaFilename = mCaCert.getData();
mProfile.mClientCertFilename = mClientCert.getData();
mProfile.mClientKeyFilename = mClientKey.getData();
mProfile.mUseLzo = mUseLzo.isChecked();
mProfile.mAuthenticationType = mType.getSelectedItemPosition();
mProfile.mPKCS12Filename = mpkcs12.getData();
mProfile.mPKCS12Password = mPKCS12Password.getText().toString();
mProfile.mPassword = mPassword.getText().toString();
mProfile.mUsername = mUserName.getText().toString();
mProfile.mKeyPassword = mKeyPassword.getText().toString();
}
private void setAlias() {
if(mProfile.mAlias == null) {
mAliasName.setText(R.string.client_no_certificate);
mAliasCertificate.setText("");
} else {
mAliasCertificate.setText("Loading certificate from Keystore...");
mAliasName.setText(mProfile.mAlias);
setKeystoreCertficate();
}
}
public void showCertDialog () {
try {
KeyChain.choosePrivateKeyAlias(getActivity(),
new KeyChainAliasCallback() {
public void alias(String alias) {
// Credential alias selected. Remember the alias selection for future use.
mProfile.mAlias=alias;
mHandler.sendEmptyMessage(UPDATE_ALIAS);
}
},
new String[] {"RSA"}, // List of acceptable key types. null for any
null, // issuer, null for any
mProfile.mServerName, // host name of server requesting the cert, null if unavailable
-1, // port of server requesting the cert, -1 if unavailable
mProfile.mAlias); // alias to preselect, null if unavailable
} catch (ActivityNotFoundException anf) {
Builder ab = new AlertDialog.Builder(getActivity());
ab.setTitle(R.string.broken_image_cert_title);
ab.setMessage(R.string.broken_image_cert);
ab.setPositiveButton(android.R.string.ok, null);
ab.show();
}
}
@Override
public void onClick(View v) {
if (v == mView.findViewById(R.id.select_keystore_button)) {
showCertDialog();
}
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
savePreferences();
if(mProfile!=null) {
outState.putString(getActivity().getPackageName() + "profileUUID", mProfile.getUUID().toString());
}
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
}
@Override
public boolean handleMessage(Message msg) {
setAlias();
return true;
}
}
|