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132 lines
3.7 KiB
Java
132 lines
3.7 KiB
Java
/*
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* wpadebug - wpa_supplicant and Wi-Fi debugging app for Android
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* Copyright (c) 2013, Jouni Malinen <j@w1.fi>
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*
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* This software may be distributed under the terms of the BSD license.
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* See README for more details.
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*/
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package w1.fi.wpadebug;
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import java.io.BufferedReader;
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import java.io.InputStreamReader;
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import java.io.IOException;
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import android.app.Activity;
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import android.app.AlertDialog;
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import android.os.Bundle;
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import android.os.Parcelable;
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import android.view.MenuItem;
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import android.content.Intent;
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import android.content.DialogInterface;
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import android.widget.TextView;
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import android.widget.Toast;
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import android.text.method.ScrollingMovementMethod;
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import android.util.Log;
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import android.nfc.NdefMessage;
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import android.nfc.NdefRecord;
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import android.nfc.NfcAdapter;
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public class WpaNfcActivity extends Activity
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{
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private static final String TAG = "wpadebug";
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String byteArrayHex(byte[] a) {
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StringBuilder sb = new StringBuilder();
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for (byte b: a)
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sb.append(String.format("%02x", b));
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return sb.toString();
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}
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private void show_alert(String title, String message)
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{
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AlertDialog.Builder alert = new AlertDialog.Builder(this);
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alert.setTitle(title);
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alert.setMessage(message);
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alert.setPositiveButton("OK", new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int id)
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{
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finish();
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}
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});
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alert.create().show();
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}
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private String wpaCmd(String cmd)
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{
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try {
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Log.d(TAG, "Executing wpaCmd: " + cmd);
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Process proc = Runtime.getRuntime().exec(new String[]{"/system/bin/mksh-su", "-c", "wpa_cli " + cmd});
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BufferedReader reader = new BufferedReader(new InputStreamReader(proc.getInputStream()));
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StringBuffer output = new StringBuffer();
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int read;
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char[] buffer = new char[1024];
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while ((read = reader.read(buffer)) > 0)
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output.append(buffer, 0, read);
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reader.close();
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proc.waitFor();
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Log.d(TAG, "External process completed - exitValue " +
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proc.exitValue());
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return output.toString();
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} catch (IOException e) {
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show_alert("Could not run external program",
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"Execution of an external program failed. " +
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"Maybe mksh-su was not installed.");
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return null;
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} catch (InterruptedException e) {
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throw new RuntimeException(e);
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}
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}
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public boolean report_tag_read(byte[] payload)
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{
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String res = wpaCmd("WPS_NFC_TAG_READ " + byteArrayHex(payload));
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if (res == null)
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return false;
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if (!res.contains("OK")) {
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Toast.makeText(this, "Failed to report WSC tag read to " +
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"wpa_supplicant", Toast.LENGTH_LONG).show();
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} else {
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Toast.makeText(this, "Reported WSC tag read to wpa_supplicant",
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Toast.LENGTH_LONG).show();
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}
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finish();
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return true;
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}
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@Override
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public void onCreate(Bundle savedInstanceState)
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{
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super.onCreate(savedInstanceState);
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Intent intent = getIntent();
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String action = intent.getAction();
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Log.d(TAG, "onCreate: action=" + action);
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if (NfcAdapter.ACTION_NDEF_DISCOVERED.equals(action)) {
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Log.d(TAG, "NDEF discovered");
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Parcelable[] raw = intent.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES);
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if (raw != null) {
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Log.d(TAG, "NDEF message count: " + raw.length);
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NdefMessage[] msgs = new NdefMessage[raw.length];
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for (int i = 0; i < raw.length; i++) {
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msgs[i] = (NdefMessage) raw[i];
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NdefRecord rec = msgs[i].getRecords()[0];
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Log.d(TAG, "MIME type: " + rec.toMimeType());
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byte[] a = rec.getPayload();
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Log.d(TAG, "NDEF record: " + byteArrayHex(a));
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if (rec.getTnf() == NdefRecord.TNF_MIME_MEDIA &&
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rec.toMimeType().equals("application/vnd/wfa.wsc")) {
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Log.d(TAG, "WSC tag read");
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}
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if (!report_tag_read(a))
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return;
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}
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}
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}
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finish();
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}
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}
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