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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.DataOutputStream;
import java.io.InputStream;
import fil.libre.repwifiapp.Commons;
public class RootCommand extends ShellCommand {
public RootCommand(String commandText) {
super(commandText);
this._cmdTxt = commandText;
}
@Override
public int execute() throws Exception {
Process su = Runtime.getRuntime().exec("su");
DataOutputStream stdin = new DataOutputStream(su.getOutputStream());
InputStream os = su.getInputStream();
InputStream es = su.getErrorStream();
if (this._cmdTxt != null) {
Utils.logDebug("SU:EXEC: " + this._cmdTxt);
this._cmdTxt += " > " + Commons.getTempOutFile();
stdin.writeBytes(this._cmdTxt + "\n");
stdin.flush();
}
StringBuilder sb = new StringBuilder();
sb.append(getStringFromStream(es));
sb.append(getStringFromStream(os));
this._cmdOut = sb.toString();
stdin.writeBytes("exit\n");
stdin.flush();
int res = su.waitFor();
// re-read the output, in case it was empty when first tried
sb.append(getStringFromStream(es));
sb.append(getStringFromStream(os));
Utils.logDebug("OUT: " + getOutput());
return res;
}
@Override
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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