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
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
|
/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.nfc.dhimpl;
import com.android.nfc.DeviceHost;
import com.android.nfc.LlcpException;
import android.annotation.SdkConstant;
import android.annotation.SdkConstant.SdkConstantType;
import android.content.Context;
import android.content.SharedPreferences;
import android.nfc.ErrorCodes;
import android.nfc.tech.Ndef;
import android.nfc.tech.TagTechnology;
import android.util.Log;
/**
* Native interface to the NFC Manager functions
*/
public class NativeNfcManager implements DeviceHost {
private static final String TAG = "NativeNfcManager";
static final String PREF = "NciDeviceHost";
static final int DEFAULT_LLCP_MIU = 1980;
static final int DEFAULT_LLCP_RWSIZE = 2;
static final String DRIVER_NAME = "android-nci";
private static final byte[][] EE_WIPE_APDUS = {
{(byte)0x00, (byte)0xa4, (byte)0x04, (byte)0x00, (byte)0x00},
{(byte)0x00, (byte)0xa4, (byte)0x04, (byte)0x00, (byte)0x07, (byte)0xa0, (byte)0x00,
(byte)0x00, (byte)0x04, (byte)0x76, (byte)0x20, (byte)0x10, (byte)0x00},
{(byte)0x80, (byte)0xe2, (byte)0x01, (byte)0x03, (byte)0x00},
{(byte)0x00, (byte)0xa4, (byte)0x04, (byte)0x00, (byte)0x00},
{(byte)0x00, (byte)0xa4, (byte)0x04, (byte)0x00, (byte)0x07, (byte)0xa0, (byte)0x00,
(byte)0x00, (byte)0x04, (byte)0x76, (byte)0x30, (byte)0x30, (byte)0x00},
{(byte)0x80, (byte)0xb4, (byte)0x00, (byte)0x00, (byte)0x00},
{(byte)0x00, (byte)0xa4, (byte)0x04, (byte)0x00, (byte)0x00},
};
static {
System.loadLibrary("nfc_nci_jni");
}
@SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
public static final String INTERNAL_TARGET_DESELECTED_ACTION = "com.android.nfc.action.INTERNAL_TARGET_DESELECTED";
/* Native structure */
private int mNative;
private final DeviceHostListener mListener;
private final Context mContext;
public NativeNfcManager(Context context, DeviceHostListener listener) {
mListener = listener;
initializeNativeStructure();
mContext = context;
}
public native boolean initializeNativeStructure();
private native boolean doDownload();
public native int doGetLastError();
@Override
public void checkFirmware() {
}
private native boolean doInitialize();
@Override
public boolean initialize() {
SharedPreferences prefs = mContext.getSharedPreferences(PREF, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = prefs.edit();
if (prefs.getBoolean(NativeNfcSecureElement.PREF_SE_WIRED, false)) {
try {
Thread.sleep (12000);
editor.putBoolean(NativeNfcSecureElement.PREF_SE_WIRED, false);
editor.apply();
} catch (InterruptedException e) { }
}
return doInitialize();
}
private native boolean doDeinitialize();
@Override
public boolean deinitialize() {
SharedPreferences prefs = mContext.getSharedPreferences(PREF, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = prefs.edit();
editor.putBoolean(NativeNfcSecureElement.PREF_SE_WIRED, false);
editor.apply();
return doDeinitialize();
}
@Override
public String getName() {
return DRIVER_NAME;
}
@Override
public native void enableDiscovery();
@Override
public native void disableDiscovery();
@Override
public native int[] doGetSecureElementList();
@Override
public native void doSelectSecureElement();
@Override
public native void doDeselectSecureElement();
private native NativeLlcpConnectionlessSocket doCreateLlcpConnectionlessSocket(int nSap,
String sn);
@Override
public LlcpConnectionlessSocket createLlcpConnectionlessSocket(int nSap, String sn)
throws LlcpException {
LlcpConnectionlessSocket socket = doCreateLlcpConnectionlessSocket(nSap, sn);
if (socket != null) {
return socket;
} else {
/* Get Error Status */
int error = doGetLastError();
Log.d(TAG, "failed to create llcp socket: " + ErrorCodes.asString(error));
switch (error) {
case ErrorCodes.ERROR_BUFFER_TO_SMALL:
case ErrorCodes.ERROR_INSUFFICIENT_RESOURCES:
throw new LlcpException(error);
default:
throw new LlcpException(ErrorCodes.ERROR_SOCKET_CREATION);
}
}
}
private native NativeLlcpServiceSocket doCreateLlcpServiceSocket(int nSap, String sn, int miu,
int rw, int linearBufferLength);
@Override
public LlcpServerSocket createLlcpServerSocket(int nSap, String sn, int miu,
int rw, int linearBufferLength) throws LlcpException {
LlcpServerSocket socket = doCreateLlcpServiceSocket(nSap, sn, miu, rw, linearBufferLength);
if (socket != null) {
return socket;
} else {
/* Get Error Status */
int error = doGetLastError();
Log.d(TAG, "failed to create llcp socket: " + ErrorCodes.asString(error));
switch (error) {
case ErrorCodes.ERROR_BUFFER_TO_SMALL:
case ErrorCodes.ERROR_INSUFFICIENT_RESOURCES:
throw new LlcpException(error);
default:
throw new LlcpException(ErrorCodes.ERROR_SOCKET_CREATION);
}
}
}
private native NativeLlcpSocket doCreateLlcpSocket(int sap, int miu, int rw,
int linearBufferLength);
@Override
public LlcpSocket createLlcpSocket(int sap, int miu, int rw,
int linearBufferLength) throws LlcpException {
LlcpSocket socket = doCreateLlcpSocket(sap, miu, rw, linearBufferLength);
if (socket != null) {
return socket;
} else {
/* Get Error Status */
int error = doGetLastError();
Log.d(TAG, "failed to create llcp socket: " + ErrorCodes.asString(error));
switch (error) {
case ErrorCodes.ERROR_BUFFER_TO_SMALL:
case ErrorCodes.ERROR_INSUFFICIENT_RESOURCES:
throw new LlcpException(error);
default:
throw new LlcpException(ErrorCodes.ERROR_SOCKET_CREATION);
}
}
}
@Override
public native boolean doCheckLlcp();
@Override
public native boolean doActivateLlcp();
private native void doResetTimeouts();
@Override
public void resetTimeouts() {
doResetTimeouts();
}
@Override
public native void doAbort();
private native boolean doSetTimeout(int tech, int timeout);
@Override
public boolean setTimeout(int tech, int timeout) {
return doSetTimeout(tech, timeout);
}
private native int doGetTimeout(int tech);
@Override
public int getTimeout(int tech) {
return doGetTimeout(tech);
}
@Override
public boolean canMakeReadOnly(int ndefType) {
return (ndefType == Ndef.TYPE_1 || ndefType == Ndef.TYPE_2);
}
@Override
public int getMaxTransceiveLength(int technology) {
switch (technology) {
case (TagTechnology.NFC_A):
case (TagTechnology.MIFARE_CLASSIC):
case (TagTechnology.MIFARE_ULTRALIGHT):
return 253; // PN544 RF buffer = 255 bytes, subtract two for CRC
case (TagTechnology.NFC_B):
/////////////////////////////////////////////////////////////////
// Broadcom: Since BCM2079x supports this, set NfcB max size.
//return 0; // PN544 does not support transceive of raw NfcB
return 253; // PN544 does not support transceive of raw NfcB
case (TagTechnology.NFC_V):
return 253; // PN544 RF buffer = 255 bytes, subtract two for CRC
case (TagTechnology.ISO_DEP):
/* The maximum length of a normal IsoDep frame consists of:
* CLA, INS, P1, P2, LC, LE + 255 payload bytes = 261 bytes
* such a frame is supported. Extended length frames however
* are not supported.
*/
return 261; // Will be automatically split in two frames on the RF layer
case (TagTechnology.NFC_F):
return 252; // PN544 RF buffer = 255 bytes, subtract one for SoD, two for CRC
default:
return 0;
}
}
private native void doSetP2pInitiatorModes(int modes);
@Override
public void setP2pInitiatorModes(int modes) {
doSetP2pInitiatorModes(modes);
}
private native void doSetP2pTargetModes(int modes);
@Override
public void setP2pTargetModes(int modes) {
doSetP2pTargetModes(modes);
}
@Override
public boolean getExtendedLengthApdusSupported() {
// TODO check BCM support
return false;
}
@Override
public boolean enablePN544Quirks() {
return false;
}
@Override
public byte[][] getWipeApdus() {
return EE_WIPE_APDUS;
}
@Override
public int getDefaultLlcpMiu() {
return DEFAULT_LLCP_MIU;
}
@Override
public int getDefaultLlcpRwSize() {
return DEFAULT_LLCP_RWSIZE;
}
private native String doDump();
@Override
public String dump() {
return doDump();
}
/**
* Notifies Ndef Message (TODO: rename into notifyTargetDiscovered)
*/
private void notifyNdefMessageListeners(NativeNfcTag tag) {
mListener.onRemoteEndpointDiscovered(tag);
}
/**
* Notifies transaction
*/
private void notifyTargetDeselected() {
mListener.onCardEmulationDeselected();
}
/**
* Notifies transaction
*/
private void notifyTransactionListeners(byte[] aid) {
mListener.onCardEmulationAidSelected(aid);
}
/**
* Notifies P2P Device detected, to activate LLCP link
*/
private void notifyLlcpLinkActivation(NativeP2pDevice device) {
mListener.onLlcpLinkActivated(device);
}
/**
* Notifies P2P Device detected, to activate LLCP link
*/
private void notifyLlcpLinkDeactivated(NativeP2pDevice device) {
mListener.onLlcpLinkDeactivated(device);
}
private void notifySeFieldActivated() {
mListener.onRemoteFieldActivated();
}
private void notifySeFieldDeactivated() {
mListener.onRemoteFieldDeactivated();
}
private void notifySeApduReceived(byte[] apdu) {
mListener.onSeApduReceived(apdu);
}
private void notifySeEmvCardRemoval() {
mListener.onSeEmvCardRemoval();
}
private void notifySeMifareAccess(byte[] block) {
mListener.onSeMifareAccess(block);
}
}
|