kern/src/de/superx/bin/PublicPrivateKeyManager.java

package de.superx.bin;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.Hashtable;

import de.memtext.util.DSAHandler;
import de.memtext.util.GetOpts;

public class PublicPrivateKeyManager {

    public static void main(String[] args) {
        GetOpts.setOpts(args);
        String isdrin = GetOpts
                .isAllRequiredOptionsPresent("-dbproperties,-function");
        if (isdrin != null) {
            System.err.println("Folgende Optionen fehlen: " + isdrin);
            System.exit(1);
        }

        SxConnection sxcon = new SxConnection();
        sxcon.setPropfile(GetOpts.getValue("-dbproperties"));

        String function = GetOpts.getValue("-function");
        try {
            if (function.equals("install"))
            { install(sxcon);
            check(sxcon);
            }
            if (function.equals("delete"))
            {
                delete(sxcon);
                System.out.println("public/private key entfernt");
            }
            if (function.equals("check"))
            {
                System.out.println("Suche keys ...");
                check(sxcon);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    private static void check(SxConnection sxcon) throws Exception
    {
        Connection con = sxcon.getConnection();
        Statement st=con.createStatement();
        ResultSet rs=st.executeQuery("select count(*) from sx_repository where id='privatekey'");
        int countprivate=0;
        while (rs.next())
            countprivate=rs.getInt(1);
        rs.close();
        rs=st.executeQuery("select count(*) from sx_repository where id='publickey'");
        int countpublic=0;
        while (rs.next())
            countpublic=rs.getInt(1);
        rs.close();
        st.close();
        con.close();
        if (countprivate==0) System.out.println("private key nicht installiert");
        if (countprivate==1) System.out.println("private key installiert");
        if (countprivate>1) 
        {
            System.out.println("mehr als ein private key gefunden - alle keys werden gelöscht");
            delete(sxcon);
        }
        if (countpublic==0) System.out.println("public key nicht installiert");
        if (countpublic==1) System.out.println("public key installiert");
        if (countpublic>1) 
        {
            System.out.println("mehr als ein public key gefunden - alle keys werden gelöscht");
            delete(sxcon);
        }
        
        
    }
    private static void delete(SxConnection sxcon) throws Exception {
        Connection con = sxcon.getConnection();
        Statement st = con.createStatement();
        st
                .executeUpdate("delete from sx_repository where id in ('privatekey','publickey')");
        st.close();
        con.close();
    }

    private static void install(SxConnection sxcon) throws Exception {
        delete(sxcon);
        Connection con = sxcon.getConnection();
        Statement st=con.createStatement();
        ResultSet rs=st.executeQuery("select max(tid) from sx_repository");
        int tid=0;
        while (rs.next())
            tid=rs.getInt(1);
        rs.close();
        Hashtable table = DSAHandler.generateKeyPair();
        //PreparedStatement pst = con        .prepareStatement("insert into testmb (tid,id,content,active) (?,?,2)");
//
        
        PreparedStatement pst = con
                .prepareStatement("insert into sx_repository (tid,id,content,aktiv) values (?,?,?,2)");
      pst.setInt(1, ++tid);
        pst.setString(2, "privatekey");
        pst.setString(3, table.get("privatekey").toString());
       //System.out.println(pst.get);
        pst.execute();
        pst.setInt(1, ++tid);
        pst.setString(2, "publickey");
        pst.setString(3, table.get("publickey").toString());
        pst.execute();
        pst.close();
        con.close();
      
    }
}

//Created on 21.10.2006 at 10:03:41