Back to project page PacketCaptureTool.
The source code is released under:
Eclipse Public License - v 1.0 THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC LICENSE ("AGREEMENT"). ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES RECI...
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package com.sprintwind.packetcapturetool; /*from w w w. j av a 2s . com*/ import java.io.BufferedReader; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.FileReader; import java.io.IOException; import java.io.InputStream; import java.text.SimpleDateFormat; import java.util.Date; import com.sprintwind.packetcapturetool.R; import com.sprintwind.packetcapturetool.ShellUtils.CommandResult; import android.support.v7.app.ActionBarActivity; import android.graphics.Color; import android.os.Bundle; import android.os.Environment; import android.os.Handler; import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.View.OnClickListener; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.EditText; import android.widget.Spinner; import android.widget.TextView; import android.widget.Toast; public class MainActivity extends ActionBarActivity { private static int BUFFER_SIZE = 1024; private final int MAX_CAPSIZE_LEN = 5; private final int MAX_SAVE_FILE_NAME_LEN = 32; private final int MIN_CAP_SIZE = 24; private final int MAX_CAP_SIZE = 65535; private final int MAX_INTEGER_LEN = 10; private final String CAP_TOOL = "cap_tool"; private final String PCAP_FILE_SUFFIX = ".pcap"; private final String STATS_FILE = ".cap_stats"; private final String CAP_FILE_DIR = "packet_capture"; private final String LOG_TAG = "PacketCaptureTool"; private enum ErrorCode{ OK, ERR_FILE_NOT_EXIST, ERR_DEL_FILE_FAILED, ERR_IO_EXCEPTION, }; private ArrayAdapter<String> arradpInterface; private ArrayAdapter<CharSequence> arradpProtocol; private Button btnStartCapture; private Spinner spinInterface; private Spinner spinProtocol; private TextView tvChoseInterface; private EditText etCapSize; private EditText etFileName; private TextView tvStatus; private Handler handler; private Process process; private String captoolDir; private String sdcardDir; private String saveFilePath; private CommandResult cmdResult; private String capture_stats; private boolean capture = false; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); tvChoseInterface = (TextView) findViewById(R.id.tvChoseInterface); btnStartCapture = (Button) findViewById(R.id.btnStartCapture); btnStartCapture.setOnClickListener((OnClickListener) new OnBtnStartCaptureClickListener()); spinInterface = (Spinner) findViewById(R.id.spinnerInterface); spinProtocol = (Spinner) findViewById(R.id.spinProtocol); etCapSize = (EditText) findViewById(R.id.etCapSize); etCapSize.setMaxWidth(MAX_CAPSIZE_LEN); etFileName = (EditText) findViewById(R.id.etFileName); etFileName.setMaxWidth(MAX_SAVE_FILE_NAME_LEN); SimpleDateFormat format = new SimpleDateFormat("yyyy_MM_dd_HH_mm_ss"); String timeString = format.format(new Date()); etFileName.setText(timeString); tvStatus = (TextView) findViewById(R.id.tvStatus); tvStatus.setText("????????"); tvStatus.setTextColor(Color.RED); tvStatus.setBackgroundColor(Color.GRAY); handler = new Handler(); /* ?????????????root????? */ if(!is_root()) { Toast.makeText(this, "?????????root????????????root?????", Toast.LENGTH_SHORT).show(); return; } /* ???????? */ loadInterface(); /* ???????? */ arradpProtocol = ArrayAdapter.createFromResource(this, R.array.protocol, android.R.layout.simple_list_item_single_choice);//new ArrayAdapter<String>(MainActivity.this, android.R.layout.simple_list_item_single_choice, R.array.protocol); spinProtocol.setAdapter(arradpProtocol); /* ???????? */ captoolDir = this.getApplicationContext().getFilesDir().getParentFile().getPath(); sdcardDir= android.os.Environment.getExternalStorageDirectory().getAbsolutePath(); /* ?????? */ createAppDirectory(); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId(); if (id == R.id.action_settings) { return true; } return super.onOptionsItemSelected(item); } /* * ???????? */ public void loadInterface() { String interfaceStr = JNIgetInterfaces(); if(null != interfaceStr) { System.out.println("interfaceStr:"+interfaceStr); String[] interfaceArr = interfaceStr.split("\\|"); arradpInterface = new ArrayAdapter<String>(MainActivity.this, android.R.layout.simple_list_item_single_choice, interfaceArr); spinInterface.setAdapter(arradpInterface); } else{ System.out.println("interfaceArray is null!"); } } /* * ?????? */ public void createAppDirectory() { boolean sdCardExist = Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED); if(!sdCardExist) { Toast.makeText(this, "???????SD?????", Toast.LENGTH_SHORT).show(); return; } File appDir = new File(sdcardDir+"/"+CAP_FILE_DIR); if(!appDir.exists()) { appDir.mkdir(); } return; } /* * ??????????????? */ public boolean isValidCaptureSize() { String text = etCapSize.getText().toString().trim(); if(text.equals("")) { return false; } int size = Integer.parseInt(text); if( (size < MIN_CAP_SIZE)||(size > MAX_CAP_SIZE)) { return false; } return true; } public class OnBtnStartCaptureClickListener implements OnClickListener{ @Override public void onClick(View arg0) { // TODO Auto-generated method stub /* ???????Text??????????????????? */ if(btnStartCapture.getText().equals(getString(R.string.start_capture))){ /* ?????????????? */ if(ErrorCode.OK !=moveRawFileToAppPath(R.raw.cap_tool, captoolDir)) { return; } /* ??????????????????? */ if(!isValidCaptureSize()) { Toast.makeText(getApplicationContext(), getString(R.string.invalid_capture_size), Toast.LENGTH_SHORT).show(); return; } saveFilePath = sdcardDir + "/" +CAP_FILE_DIR+"/" + etFileName.getText().toString() + PCAP_FILE_SUFFIX; CaptureThread captureThread = new CaptureThread(); Thread thread = new Thread(captureThread); thread.start(); capture = true; new Thread(new StatisticThread()).start(); Toast.makeText(getApplicationContext(), getString(R.string.capture_started), Toast.LENGTH_SHORT).show(); btnStartCapture.setText(R.string.stop_capture); tvStatus.setText("????"); } else{ String[] commands = { "busybox killall -SIGINT "+CAP_TOOL, "sleep 1" //"busybox killall -SIGKILL "+CAP_TOOL }; CommandResult result = ShellUtils.execCommand(commands, true, true); if(result.result < 0) { Toast.makeText(getApplicationContext(), "????????,"+result.errorMsg, Toast.LENGTH_SHORT).show(); return; } System.out.println(result.successMsg); capture = false; Toast.makeText(getApplicationContext(), getString(R.string.capture_stopped)+saveFilePath, Toast.LENGTH_LONG).show(); btnStartCapture.setText(R.string.start_capture); tvStatus.setText(getString(R.string.capture_stopped)+saveFilePath); } } } /* * ???? */ public class CaptureThread implements Runnable{ @Override public void run() { // TODO Auto-generated method stub //usage:CAP_TOOL <dev> <protocol> <cap_len> <save_path> <file_name> String[] commands = { "chmod 755 "+captoolDir+"/"+CAP_TOOL, captoolDir+"/"+CAP_TOOL + " " + spinInterface.getSelectedItem().toString() //interface + " " + spinProtocol.getSelectedItem().toString() //protocol + " " + etCapSize.getText() //capture size + " " + sdcardDir + "/"+CAP_FILE_DIR //save dir + " " + etFileName.getText().toString() }; cmdResult = ShellUtils.execCommand(commands, true, true); if(cmdResult.result < 0) { capture = false; handler.post(new UpdateThread()); } } } /* * ???? */ public class StatisticThread implements Runnable{ @Override public void run() { // TODO Auto-generated method stub while(capture) { try { File file = new File(sdcardDir+"/" +CAP_FILE_DIR+"/"+STATS_FILE); if(!file.exists()) { continue; } BufferedReader br = new BufferedReader(new FileReader(file)); capture_stats = br.readLine(); System.out.println("stats:"+capture_stats); //capture_count = Integer.parseInt(stats); br.close(); handler.post(new UpdateThread()); Thread.sleep(1000); } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } } capture_stats = null; } } /* * ??UI?? */ public class UpdateThread implements Runnable{ @Override public void run() { // TODO Auto-generated method stub //spinInterface.setAdapter(adapter); if(null != cmdResult) { if(cmdResult.result < 0) { Toast.makeText(getApplicationContext(), "?????"+cmdResult.errorMsg, Toast.LENGTH_SHORT).show(); btnStartCapture.setText(R.string.start_capture); return; } } if(capture&&(null != capture_stats)) { tvStatus.setText("??????"+capture_stats); } } } /* * get root permission */ public boolean getRootPermission() { CommandResult result = ShellUtils.execCommand("chmod "+"777 "+getPackageCodePath(), true); if(result.result >= 0){ return true; } else{ return false; } } /* * ?????????????root????? */ public static boolean is_root(){ boolean res = false; try{ if ((!new File("/system/bin/su").exists()) && (!new File("/system/xbin/su").exists())){ res = false; } else { res = true; }; } catch (Exception e) { } return res; } /* * ???????????? */ public boolean isCaptoolExist() { File captool = new File(captoolDir+"/"+CAP_TOOL); System.out.println(captool.getAbsolutePath()); if(captool.exists()){ return true; } return false; } /** * ???????? * @param sPath ??????????? * @return ?????????????true???????false */ public boolean deleteFile(String sPath) { File file = new File(sPath); // ??????????????? if (file.isFile() && file.exists()) { return file.delete(); } return true; } /* * ??????????????????????????? */ public ErrorCode moveRawFileToAppPath(int rawFileId, String dstPath) { /* ?????????? */ File dstDir = new File(dstPath); if(!dstDir.exists()){ Toast.makeText(getApplicationContext(), "??"+dstDir+"????", Toast.LENGTH_SHORT).show(); Log.e(LOG_TAG, "??"+dstDir+"????"); return ErrorCode.ERR_FILE_NOT_EXIST; } /* ?????? */ File file = new File(dstPath+"/"+CAP_TOOL); if(file.exists()) { if(!file.delete()) { Toast.makeText(getApplicationContext(), "??"+dstDir+"?????????????????????", Toast.LENGTH_SHORT).show(); Log.e(LOG_TAG, "??"+dstDir+"????"); return ErrorCode.ERR_DEL_FILE_FAILED; } } InputStream is = getResources().openRawResource(rawFileId); try { FileOutputStream fos = new FileOutputStream(dstPath+"/"+CAP_TOOL); byte[] buffer = new byte[1024]; int count = 0; try { while((count = is.read(buffer)) > 0){ fos.write(buffer, 0, count); } fos.close(); is.close(); } catch (IOException e) { // TODO Auto-generated catch block Toast.makeText(getApplicationContext(), "????!"+e.getMessage(), Toast.LENGTH_SHORT).show(); e.printStackTrace(); return ErrorCode.ERR_IO_EXCEPTION; } } catch (FileNotFoundException e) { // TODO Auto-generated catch block Toast.makeText(getApplicationContext(), "??????!"+e.getMessage(), Toast.LENGTH_SHORT).show(); e.printStackTrace(); return ErrorCode.ERR_FILE_NOT_EXIST; } Log.v(LOG_TAG, "copy raw file "+rawFileId+" to "+dstPath+" success"); return ErrorCode.OK; } public native String JNIgetInterfaces(); public native int JNIexcuteCommand(String cmd, String args); public native String JNIgetErrorString(int errno); public native int JNIstartCapture(String dev, int proto, int cap_len); public native void JNIstopCapture(); public native int JNIgetProtoValue(String proto); public native int JNIgetRootPermission(); static{ System.loadLibrary("PacketCaptureTool"); } }