JFIF$        dd7 

Viewing File: /usr/share/doc/perl-Net-SSLeay/examples/tcpecho.pl

#!/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__
Back to Directory  nL+D550H?Mx ,D"v]qv;6*Zqn)ZP0!1 A "#a$2Qr D8 a Ri[f\mIykIw0cuFcRı?lO7к_f˓[C$殷WF<_W ԣsKcëIzyQy/_LKℂ;C",pFA:/]=H  ~,ls/9ć:[=/#f;)x{ٛEQ )~ =𘙲r*2~ a _V=' kumFD}KYYC)({ *g&f`툪ry`=^cJ.I](*`wq1dđ#̩͑0;H]u搂@:~וKL Nsh}OIR*8:2 !lDJVo(3=M(zȰ+i*NAr6KnSl)!JJӁ* %݉?|D}d5:eP0R;{$X'xF@.ÊB {,WJuQɲRI;9QE琯62fT.DUJ;*cP A\ILNj!J۱+O\͔]ޒS߼Jȧc%ANolՎprULZԛerE2=XDXgVQeӓk yP7U*omQIs,K`)6\G3t?pgjrmۛجwluGtfh9uyP0D;Uڽ"OXlif$)&|ML0Zrm1[HXPlPR0'G=i2N+0e2]]9VTPO׮7h(F*癈'=QVZDF,d߬~TX G[`le69CR(!S2!P <0x<!1AQ "Raq02Br#SCTb ?Ζ"]mH5WR7k.ۛ!}Q~+yԏz|@T20S~Kek *zFf^2X*(@8r?CIuI|֓>^ExLgNUY+{.RѪ τV׸YTD I62'8Y27'\TP.6d&˦@Vqi|8-OΕ]ʔ U=TL8=;6c| !qfF3aů&~$l}'NWUs$Uk^SV:U# 6w++s&r+nڐ{@29 gL u"TÙM=6(^"7r}=6YݾlCuhquympǦ GjhsǜNlɻ}o7#S6aw4!OSrD57%|?x>L |/nD6?/8w#[)L7+6〼T ATg!%5MmZ/c-{1_Je"|^$'O&ޱմTrb$w)R$& N1EtdU3Uȉ1pM"N*(DNyd96.(jQ)X 5cQɎMyW?Q*!R>6=7)Xj5`J]e8%t!+'!1Q5 !1 AQaqё#2"0BRb?Gt^## .llQT $v,,m㵜5ubV =sY+@d{N! dnO<.-B;_wJt6;QJd.Qc%p{ 1,sNDdFHI0ГoXшe黅XۢF:)[FGXƹ/w_cMeD,ʡcc.WDtA$j@:) -# u c1<@ۗ9F)KJ-hpP]_x[qBlbpʖw q"LFGdƶ*s+ډ_Zc"?%t[IP 6J]#=ɺVvvCGsGh1 >)6|ey?Lӣm,4GWUi`]uJVoVDG< SB6ϏQ@ TiUlyOU0kfV~~}SZ@*WUUi##; s/[=!7}"WN]'(L! ~y5g9T̅JkbM' +s:S +B)v@Mj e Cf jE 0Y\QnzG1д~Wo{T9?`Rmyhsy3!HAD]mc1~2LSu7xT;j$`}4->L#vzŏILS ֭T{rjGKC;bpU=-`BsK.SFw4Mq]ZdHS0)tLg