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import CyrusSasl.*;
import java.net.*;
import java.io.*;
import java.util.*;
class testserver {
static ServerSocket ssock;
private static PrintWriter os=null;
private static InputStreamReader ir=null;
private static Socket s=null;
private static BufferedReader br=null;
private static void give_capabilities() throws IOException
{
String []list = Sasl.getMechanismNames();
String cap="* CAPABILITY IMAP4 IMAP4rev1 ACL QUOTA LITERAL+ NAMESPACE UIDPLUS X-NON-HIERARCHICAL-RENAME NO_ATOMIC_RENAME";
for (int lup=0;lup<list.length;lup++)
cap+= (" AUTH="+list[lup]);
send(cap);
send(". OK foo");
}
private static void do_auth(String mech, Socket remoteclient, int minssf, int maxssf) throws IOException
{
SaslClient conn;
Hashtable props = new Hashtable();
props.put("javax.security.sasl.encryption.minimum",String.valueOf(minssf));
props.put("javax.security.sasl.encryption.maximum",String.valueOf(maxssf));
props.put("javax.security.sasl.ip.local",s.getLocalAddress().getHostName());
props.put("javax.security.sasl.ip.remote",
remoteclient.getInetAddress().getHostAddress());
ServerHandler cbh = new ServerHandler();
try {
SaslServer saslconn = Sasl.CreateSaslServer(mech,
"imap",
s.getLocalAddress().getHostName(),
props,
cbh);
byte[]in = null;
while (true)
{
byte[] out = saslconn.evaluateResponse(in);
if (saslconn.isComplete()==true) {
break;
} else {
String outline = "+ ";
if (out!=null) {
System.out.println("outlen = "+ (out.length));
outline = "+ "+SaslUtils.encode64(out);
}
send(outline);
}
String line = br.readLine();
System.out.println("in = "+line);
if (line!=null)
in = SaslUtils.decode64(line);
else
in = null;
}
send(". OK Authenticated");
System.out.println("Authenticated!!!\n");
} catch (SaslException e) {
send(". NO Authentication failed");
}
}
private static void pretend_to_be_imapd() throws IOException
{
String line;
send("* OK pretend imapd. Use the '.' tag");
while (true) {
line = br.readLine();
if (line == null) {
System.out.println("I think the client quit on us");
System.exit(0);
}
if (line.startsWith(". ")==false) {
send("* BAD Must use '.' tag");
continue;
}
line=line.substring(2);
if (line.equalsIgnoreCase("CAPABILITY")==true) {
give_capabilities();
continue;
}
if (line.toUpperCase().startsWith("AUTHENTICATE ")==true) {
line = line.substring(13);
System.out.println("mechanism = "+line);
do_auth(line,s,0,0);
continue;
}
if (line.equalsIgnoreCase("NOOP")==true) {
send(". OK lalala");
continue;
}
if (line.equalsIgnoreCase("LOGOUT")==true) {
send(". OK yeah i'll exit. seya");
s.close();
System.exit(0);
}
send("* BAD don't support whatever you tried");
}
}
static void send(String str)
{
os.print(str+"\r\n");
os.flush();
}
public static void main (String args[])
{
int port = 2143;
try {
ssock = new ServerSocket(port);
System.out.println("Listening on port "+port);
s = ssock.accept();
os=new PrintWriter(s.getOutputStream());
ir=new InputStreamReader(s.getInputStream());
br=new BufferedReader(ir);
pretend_to_be_imapd();
} catch (IOException e) {
System.out.println("IO exception");
}
}
}
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