[titbang]

This program prints out all wireless passwords on Android devices. It requires root and the ini4j library for easier parsing.

Code:

import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileReader;
import org.ini4j.Ini;

public class WirelessPass {
    
    public static String SUPPLICANT_PATH = "/data/misc/wifi/WPA_supplicant.conf";
  
    public static void main(String[] args)
    {
        if( isRootAvailable() )
        {
            if( isSupplicantAvailable() ) {
                doSupplicant();
            }
        }
    }
    
    public static boolean isRootAvailable()
    {
        String[] paths = { "/sbin/su", "/system/bin/su", "/system/xbin/su",
                "/data/local/xbin/su", "/data/local/bin/su", "/system/sd/xbin/su",
                "/system/bin/failsafe/su", "/data/local/su" };
        for (String path : paths) {
            if ( new File(path).exists() ) {
                return true;
            }
        }
        return false;
    }

    public static boolean isSupplicantAvailable()
    {
        if( new File(SUPPLICANT_PATH).exists() ) {
            return true;
        }
        return false;
    }
    
    public static int doSupplicant()
    {
        int read;
        
        try {
        
            StringBuilder data = new StringBuilder();
            
            FileInputStream in = new FileInputStream( SUPPLICANT_PATH );
        
            while ((read = in.read()) != -1) {
                data.append( (char) read );
            }
            
            String temp = data.toString();
            
            if( !temp.isEmpty() )
            {
                int count = countOccurrences( temp, "network" );
                
                if( count > 0 )
                {
                    String clean = formatToINI( temp, count);
                    
                    Ini ini = new Ini(new ByteArrayInputStream(clean.toString().getBytes("UTF-8") ) );
                    
                    if( !ini.isEmpty() )
                    {
                         int i = 0;
                        
                         while( i < count )
                         {
                             String header = "network" + Integer.toString( i );
                            
                             System.out.println( header );
                            
                             String ssid = ini.get( header, "ssid" );
                             String key_mgmt = ini.get( header, "key_mgmt" );              
                             String psk = ini.get( header, "psk" );
                             String priority = ini.get( header, "priority" );
                            
                             if( key_mgmt.equals("NONE") ) {
                                 psk = "OPEN";
                             }
                             System.out.println( "\n - SSID: " + ssid
                                                + "\n - Security: " + key_mgmt
                                                + "\n - Wireless Key: " + psk  + "\n\r\n");
                             i++;
                        }
                    }  
                } else {
                    return 3;
                }
                
            } else {
                return 2;
            }
            
        } catch ( Exception e ) {
            return 1;
        }
        return 0;
    }
    
    public static int countOccurrences(String haystack, String needle)
    {
        int count = 0, index = 0;

        while (index != -1)
        {
            index = haystack.indexOf(needle, index);

            if (index != -1) {
                count++;
                index += needle.length();
            }
        }
        return count;
    }
  
    public static String formatToINI( String input, int Occurrences )
    {
        int i = 0;
        
        StringBuilder format = new StringBuilder();
                    
        format.append( "[main]\n");
        
        while( i < Occurrences) {
            input = input.replaceFirst("network=\\{", "[network" + Integer.toString( i ) + "]" );
            input = input.replaceFirst("\\}", "");
            i++;
        }
        input = input.replaceAll("\t", "");
        input = input.replaceAll("\"", "");
        
        format.append( input );
        
        return format.toString();
    }
}

[Bish0pQ]

Nice! Too bad I can't root my own device thus not try this out. I have some other devices laying around where I can try this on. Thank you for sharing.