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Fix su command building error #3

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Fix su command building error #3

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37 changes: 34 additions & 3 deletions Introspy-Android Config/src/com/introspy/config/InjectConfig.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,10 @@
package com.introspy.config;

import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;

import android.content.Context;
import android.content.SharedPreferences;
import android.util.Log;
Expand Down Expand Up @@ -38,12 +43,13 @@ public String getHookTypesFromPrefs(Context context) {

public void enableApp(String appDir, Context context) {
String path = appDir + "/introspy.config";
_command += "su -c echo '" + getHookTypesFromPrefs(context) + "' > " + path + " ; su -c chmod 664 " + path + " ; ";
_command += "echo '" + getHookTypesFromPrefs(context) + "' > " + path + " \n";
_command += "chmod 664 " + path + " \n";
}

public void disableApp(String appDir) {
String path = appDir + "/introspy.config";
_command += "su -c rm " + path + " ; ";
_command += "rm " + path + " \n";
}

private String _command = "";
Expand All @@ -53,7 +59,7 @@ public Boolean commit() {
return false;
Log.i(_TAG, _command);
try {
Runtime.getRuntime().exec(_command);
execSuCommand(_command);
} catch (Exception e) {
_command = "";
Log.w(_TAG, "error: this app needs to be root.");
Expand All @@ -69,4 +75,29 @@ public void writeConfig(Boolean enable, String appDir, Context context) {
else
disableApp(appDir);
}

public static String execSuCommand(String cmd) throws IOException
{
Log.e("execSuCommand", cmd);
Process process = Runtime.getRuntime().exec("su");

DataOutputStream os = new DataOutputStream(process.getOutputStream());
os.writeBytes(cmd+"\n");
os.flush();
os.writeBytes("exit\n");
os.flush();

BufferedReader reader = new BufferedReader(new InputStreamReader(
process.getInputStream()));
int read;
char[] buffer = new char[4096];
StringBuffer output = new StringBuffer();
while ((read = reader.read(buffer)) > 0) {
output.append(buffer, 0, read);
}
reader.close();
os.close();
return output.toString();
}

}