Example usage for java.lang Process getOutputStream

Introduction

In this page you can find the example usage for java.lang Process getOutputStream.

Prototype

public abstract OutputStream getOutputStream();

Source Link

Document

Returns the output stream connected to the normal input of the process.

Usage

From source file:Main.java

/**
 * Run command as root.//  w  w  w .ja v a  2  s .  c  om
 * 
 * @param command
 * @return true, if command was successfully executed
 */
private static boolean runAsRoot(final String command) {
    try {

        Process pro = Runtime.getRuntime().exec("su");
        DataOutputStream outStr = new DataOutputStream(pro.getOutputStream());

        outStr.writeBytes(command);
        outStr.writeBytes("\nexit\n");
        outStr.flush();

        int retval = pro.waitFor();

        return (retval == 0);

    } catch (Exception e) {

        return false;

    }
}

From source file:Main.java

public static String runAsRoot(String[] cmds) throws Exception {
    Process p = Runtime.getRuntime().exec("su");
    DataOutputStream os = new DataOutputStream(p.getOutputStream());
    InputStream is = p.getInputStream();
    String result = null;/* www.j  a va 2s  .  co m*/
    for (String tmpCmd : cmds) {
        os.writeBytes(tmpCmd + "\n");
        int readed = 0;
        byte[] buff = new byte[4096];
        while (is.available() <= 0) {
            try {
                Thread.sleep(5000);
            } catch (Exception ex) {
            }
        }

        while (is.available() > 0) {
            readed = is.read(buff);
            if (readed <= 0)
                break;
            String seg = new String(buff, 0, readed);
            result = seg; //result is a string to show in textview
        }
    }
    os.writeBytes("exit\n");
    os.flush();
    return result;
}

From source file:Main.java

public static void RunRootCmd(String cmd) {
    try {//  w w w  .  j a  v a 2 s . co m
        //
        // run our command using 'su' to gain root
        //
        Process process = Runtime.getRuntime().exec("su");
        DataOutputStream outputStream = new DataOutputStream(process.getOutputStream());

        outputStream.writeBytes(cmd + "\n");
        outputStream.flush();

        outputStream.writeBytes("exit\n");
        outputStream.flush();
        process.waitFor();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static int execRootCmdSilent(String cmd) {
    try {// www  .  j  ava2s  .c om
        Process p = Runtime.getRuntime().exec("su ");
        Object obj = p.getOutputStream();
        DataOutputStream dOutStream = new DataOutputStream((OutputStream) obj);
        String str = String.valueOf(cmd);
        obj = str + "\n";
        dOutStream.writeBytes((String) obj);
        dOutStream.flush();
        dOutStream.writeBytes("exit\n");
        dOutStream.flush();
        p.waitFor();
        int result = p.exitValue();
        return (Integer) result;
    } catch (Exception e) {
        e.printStackTrace();
        return -1;
    }
}

From source file:Main.java

public static void GetSUAccess() {
    Thread su = new Thread(new Thread() {
        public void run() {
            try {
                Log.i("SU", "Trying to grant access to port...");
                Process suProcess = Runtime.getRuntime().exec("su");

                DataOutputStream os = new DataOutputStream(suProcess.getOutputStream());

                if (null != os) {
                    os.writeBytes("chmod 666 /dev/ttymxc1 \n");
                    os.flush();//from  w  ww  .j  a  va 2 s. c  o m
                }
                Log.i("SU", "Granted Access to Port");
            } catch (IOException e) {
                Log.e("SU", "Grant SuperUser Access Failed");
            }
        }
    });
    su.start();
}

From source file:Main.java

public static String execRootCmd(String cmd) {
    String result = "result : ";
    try {// w w  w . ja  va2 s  . co  m
        Process p = Runtime.getRuntime().exec("su ");
        OutputStream outStream = p.getOutputStream();
        DataOutputStream dOutStream = new DataOutputStream(outStream);
        InputStream inStream = p.getInputStream();
        DataInputStream dInStream = new DataInputStream(inStream);
        String str1 = String.valueOf(cmd);
        String str2 = str1 + "\n";
        dOutStream.writeBytes(str2);
        dOutStream.flush();
        String str3 = null;
        String line = "";
        while ((line = dInStream.readLine()) != null) {
            Log.d("result", str3);
            str3 += line;
        }
        dOutStream.writeBytes("exit\n");
        dOutStream.flush();
        p.waitFor();
        return result;
    } catch (Exception e) {
        e.printStackTrace();
        return result;
    }
}

From source file:Main.java

public static void makeInternalCopy(Context c, String path, int resource) {
    InputStream is = c.getResources().openRawResource(resource);
    try {//w ww  .  j  a  va  2 s  .  co m

        Process process = Runtime.getRuntime().exec("su");
        DataOutputStream os = new DataOutputStream(process.getOutputStream());
        File sniff = new File(path);
        if (sniff.exists()) {
            os.writeBytes("rm " + path + "\n");
        }
        byte[] bytes = new byte[is.available()];

        FileOutputStream setdbOutStream = new FileOutputStream(path);
        DataInputStream dis = new DataInputStream(is);
        dis.readFully(bytes);

        setdbOutStream.write(bytes);
        setdbOutStream.close();

        os.writeBytes("chmod 777 " + path + "\n");
        os.writeBytes("exit\n");
        os.flush();
    } catch (Exception e) {
        //           Toast.makeText(c, "Error Copying file: " + e.toString(),Toast.LENGTH_SHORT).show();
        e.printStackTrace();
    }

}

From source file:Main.java

public static String do_exec_with_root(String cmd) {
    String s = "\n";
    try {/*from ww  w. ja  v a2  s .  c  o m*/
        Process su_p = Runtime.getRuntime().exec("su");
        DataOutputStream dataOutputStream = new DataOutputStream(su_p.getOutputStream());
        dataOutputStream.writeBytes(cmd + "\n");
        dataOutputStream.writeBytes("exit" + "\n");
        dataOutputStream.flush();
        BufferedReader in = new BufferedReader(new InputStreamReader(su_p.getInputStream()));
        String line = null;
        while ((line = in.readLine()) != null) {
            s += line + "\n";
        }
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    return s;
}

From source file:Main.java

public static boolean executeAsRoot(String command) {
    try {/*from   w w w  .j  ava2  s  . c om*/

        Process suProcess = Runtime.getRuntime().exec("su");
        DataOutputStream os = new DataOutputStream(suProcess.getOutputStream());

        os.writeBytes(command + "\n");
        os.flush();
        Log.d("ROOT", command);

        os.writeBytes("exit\n");
        os.flush();

        try {
            int suProcessRet = suProcess.waitFor();
            if (255 != suProcessRet)
                return true;
            else
                return false;
        } catch (Exception ex) {
            Log.w("ROOT-ERROR", ex);
        }
    } catch (IOException ex) {
        Log.w("ROOT", "Can't get root access", ex);
    } catch (SecurityException ex) {
        Log.w("ROOT", "Can't get root access", ex);
    } catch (Exception ex) {
        Log.w("ROOT", "Error executing internal operation", ex);
    }
    return false;
}

From source file:Main.java

public static int execRootCmdForExitCode(String[] cmds) {
    int result = -1;
    DataOutputStream dos = null;/*from w ww . j av  a 2s.  c  om*/
    DataInputStream dis = null;

    try {
        Process p = Runtime.getRuntime().exec("su");
        dos = new DataOutputStream(p.getOutputStream());
        dis = new DataInputStream(p.getInputStream());

        for (String cmd : cmds) {
            Log.i("CmdUtils", cmd);
            dos.writeBytes(cmd + "\n");
            dos.flush();
        }
        dos.writeBytes("exit\n");
        dos.flush();
        String line;
        while ((line = dis.readLine()) != null) {
            Log.d("result", line);
        }
        p.waitFor();
        result = p.exitValue();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (dos != null) {
            try {
                dos.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (dis != null) {
            try {
                dis.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    return result;
}