From a9bb59b5179ae029f9f85ae794709bc207198df6 Mon Sep 17 00:00:00 2001
From: Darkelarious <darkelarious@333networks.com>
Date: Wed, 30 Dec 2020 18:05:53 +0000
Subject: game client with compressed/plain list request and authentication

---
 client/clientcmp.pl | 106 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100755 client/clientcmp.pl

diff --git a/client/clientcmp.pl b/client/clientcmp.pl
new file mode 100755
index 0000000..29735f2
--- /dev/null
+++ b/client/clientcmp.pl
@@ -0,0 +1,106 @@
+#!/usr/bin/perl
+
+################################################################################
+# Simulate a game client
+#   - open TCP connection
+#   - authenticate
+#   - request plain/compressed serverlist
+#
+################################################################################
+
+use strict;
+use warnings;
+use AnyEvent;
+use AnyEvent::Handle;
+use Data::Dumper 'Dumper';
+$|++;
+
+our %S;
+require "../common/supportedgames.pl";
+require "../common/auth.pl";
+
+# set masterserver
+my $masteraddress = "rhea.333networks.com";
+my $masterport    = 28900;
+
+# set (our) simulated game client
+my $gamename = "ut";
+my $cmp = 0 ? "cmp" : ""; # 1 for compressed, 0 for plain
+
+# loop
+my $cv = AnyEvent->condvar;
+
+my $buf = "";
+my $handle; $handle = new AnyEvent::Handle(
+    connect  => [$masteraddress => $masterport],
+    timeout  => 15,
+    poll     => 'r',
+    on_error => sub 
+    {
+        print Dumper $!; 
+        $handle->destroy;
+        $cv->send;
+    },
+    on_eof   => sub 
+    { # connection closed, assuming list was received
+        $buf =~ s/\\final\\//ig;
+        my @serverlist;
+
+        # process serverlist for compressed/plain        
+        if ($cmp eq "cmp")
+        { # compressed list
+            while (length $buf >= 6)
+            {
+                my $caddr = substr $buf, 0, 6, '';
+                my ($A, $B, $C, $D, $E, $F) = split //, $caddr;
+                my $addr = ord($A).".".ord($B).".".ord($C).".".ord($D);
+                my $port = (ord($E) << 8) + ord($F);
+                push @serverlist, "$addr:$port";
+            }
+        }
+        else
+        { # plain list 
+            my @list = split /\\ip\\/, $buf;
+            shift @list; # remove empty first element
+            for my $l (@list)
+            {
+                push(@serverlist, $l) if ($l =~ m/:/);
+            }
+        }        
+        
+        # report result
+        print "Received ".(scalar @serverlist)." [$gamename] games from $masteraddress.\n";
+        #print Dumper \@serverlist;
+
+        $handle->destroy;
+        $cv->send;
+    },
+    on_read  => sub 
+    {    
+        $buf .= $_[0]->rbuf;
+        $_[0]->rbuf = "";
+
+        # part 1: receive \basic\\secure\$key
+        if ($buf =~ m/\\basic\\\\secure\\/) 
+        {
+            # parse received data
+            my @a = split /\\/, ($buf||"");
+            shift @a;
+            my %r = (@a, (scalar @a % 2 == 1) ? "dummy" : () );
+            $buf = "";
+
+            # respond to challenge
+            my $validate = get_validate_string(
+                $S{game}->{$gamename}->{key}, 
+                $r{secure}, 
+                $r{enctype}||0
+            );
+
+            # print and send response
+            $handle->push_write("\\gamename\\$gamename\\location\\0\\validate\\$validate\\final\\");
+            $handle->push_write("\\list\\$cmp\\gamename\\$gamename\\final\\");
+        }
+    }
+);
+
+$cv->recv;
-- 
cgit v1.2.3