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//
// Copyright 2017 Filippo "Fil" Bergamo <fil.bergamo@riseup.net>
//
// This file is part of RepWifiApp.
//
// RepWifiApp is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// RepWifiApp is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with RepWifiApp. If not, see <http://www.gnu.org/licenses/>.
//
// ********************************************************************
package fil.libre.repwifiapp.helpers;
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import fil.libre.repwifiapp.Commons;
public class RootCommand {
private String _cmdOut = "";
private String _cmdTxt = "";
public RootCommand(String commandText){
this._cmdTxt = commandText;
}
public int execute() throws Exception{
return execute(0);
}
public int execute(int sleepSecsAfterCmd) throws Exception{
Process su = Runtime.getRuntime().exec("su");
DataOutputStream stdin = new DataOutputStream(su.getOutputStream());
InputStream os = su.getInputStream();
BufferedReader stdOut = new BufferedReader(new InputStreamReader(os));
InputStream es = su.getErrorStream();
BufferedReader stdError = new BufferedReader(new InputStreamReader(es));
if ( this._cmdTxt != null ){
Utils.logDebug("SU:EXEC: " + this._cmdTxt);
this._cmdTxt += " > " + Commons.getTempOutFile();
stdin.writeBytes(this._cmdTxt + "\n");
stdin.flush();
}
/* if (sleepSecsAfterCmd > 0){
Thread.sleep(sleepSecsAfterCmd * 1000);
}*/
StringBuilder sb = new StringBuilder();
String s = null;
while ( (es.available() > 0) && (s = stdError.readLine()) != null) {
sb.append(s + "\n");
}
while ( (os.available() > 0) && (s = stdOut.readLine()) != null) {
sb.append(s + "\n");
}
this._cmdOut = sb.toString();
stdin.writeBytes("exit\n");
stdin.flush();
int res = su.waitFor();
Utils.logDebug("OUT: " + getOutput());
return res;
}
public String getOutput(){
String[] lastOut = Utils.readFileLines(Commons.getTempOutFile());
if (lastOut == null){
return this._cmdOut;
}
String fout = "";
for (String s : lastOut){
fout += s + "\n";
}
return fout;
}
}
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