--- /dev/null
+#!/usr/bin/perl -w
+# tcpecho.pl - Echo server using TCP
+#
+# Copyright (c) 2003 Sampo Kellomaki <sampo@iki.fi>, All Rights Reserved.
+# $Id: tcpecho.pl,v 1.2 2003/08/17 07:44:47 sampo Exp $
+# 17.8.2003, created --Sampo
+#
+# Usage: ./tcpecho.pl *port*
+#
+# This server always binds to localhost as this is all that is needed
+# for tests.
+
+die "Usage: ./tcpecho.pl *port*\n" unless $#ARGV == 0;
+($port) = @ARGV;
+$our_ip = "\x7F\0\0\x01";
+
+$trace = 2;
+use Socket;
+use Net::SSLeay;
+
+#
+# Create the socket and open a connection
+#
+
+$our_serv_params = pack ('S n a4 x8', &AF_INET, $port, $our_ip);
+socket (S, &AF_INET, &SOCK_STREAM, 0) or die "socket: $!";
+bind (S, $our_serv_params) or die "bind: $! (port=$port)";
+listen (S, 5) or die "listen: $!";
+
+#while (1) { # uncomment to turn off "one shot" behaviour
+ print "tcpecho $$: Accepting connections on port $port...\n" if $trace>1;
+ ($addr = accept(Net::SSLeay::SSLCAT_S, S)) or die "accept: $!";
+ $old_out = select(Net::SSLeay::SSLCAT_S); $| = 1; select ($old_out); # Piping hot!
+
+ if ($trace) {
+ ($af,$client_port,$client_ip) = unpack('S n a4 x8',$addr);
+ @inetaddr = unpack('C4',$client_ip);
+ print "$af connection from " . join ('.', @inetaddr)
+ . ":$client_port\n" if $trace;;
+ }
+
+ #
+ # Connected. Exchange some data.
+ #
+
+ $got = Net::SSLeay::tcp_read_all() or die "$$: read failed";
+ print "tcpecho $$: got " . length($got) . " bytes\n" if $trace==2;
+ print "tcpecho: Got `$got' (" . length ($got) . " chars)\n" if $trace>2;
+ $got = uc $got;
+ Net::SSLeay::tcp_write_all($got) or die "$$: write failed";
+ $got = ''; # in case it was huge
+
+ print "tcpecho: Tearing down the connection.\n\n" if $trace>1;
+ close Net::SSLeay::SSLCAT_S;
+#}
+close S;
+
+__END__