#!/usr/bin/perl

use strict;
use CGI;
use IO::Socket::INET;

# CONFIG OPTIONS:
my $irc_server="irc.somewhere.net";
my $server_port="6667";
my $nick=sprintf("MSG-%05d",rand(100000));
my $channel="chat";

my $s=IO::Socket::INET->new(
        PeerAddr=>$irc_server,
        PeerPort=>$server_port,
        Timeout=>1);

my $q = new CGI;
my $bitte = $q->param('Text');

# connected to server
die (print $q->redirect('https://example.net/test/err.html') and exit) unless $s;

# sending nickname
print $s "user ",$nick," B C D\r\n";
print $s "nick ",$nick,"\r\n";

while( my $buffer = <$s> )
{
        if( $buffer =~ /^PING(.*)$/i )
        {
                # response to server if send us PING request
                print $s "PONG ".$1."\r\n";
        } elsif( $buffer =~ /^(.*?) 376 (.*) :(.*)/i )
        {
                ## Received end of MOTD, join a channel and say hi.
                print $s "JOIN #",$channel,"\r\n";
                print $s "PRIVMSG #",$channel," :",$bitte,"\r\n";
                print $s "QUIT\r\n";
                ($s->close)?(print $q->redirect('https://example.net/test/ok.html')):(print $q->redirect('https://example.net/test/err.html'));
                exit;
        }
}

my $s=IO::Socket::INET->new(...) or die "Can't bind : $IO::Socket::errstr\n";

my $s=IO::Socket::INET->new(...) or die (print $q->redirect('https://example.net/test/err.html') and exit);