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#!/usr/bin/perl -w # sslecho.pl - Echo server using SSL # # Copyright (c) 1996,1998 Sampo Kellomaki <sampo@iki.fi>, All Rights Reserved. # Date: 27.6.1996, 8.6.1998 # 7.12.2001, added more support for client side certificate testing --Sampo # $Id: sslecho.pl,v 1.2 2001/12/08 17:43:14 sampo Exp $ # # Usage: ./sslecho.pl *port* *cert.pem* *key.pem* # # This server always binds to localhost as this is all that is needed # for tests. die "Usage: ./sslecho.pl *port* *cert.pem* *key.pem*\n" unless $#ARGV == 2; ($port, $cert_pem, $key_pem) = @ARGV; $our_ip = "\x7F\0\0\x01"; $trace = 2; use Socket; use Net::SSLeay qw(sslcat die_now die_if_ssl_error); $Net::SSLeay::trace = 3; # Super verbose debugging # # 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: $!"; # # Prepare SSLeay # Net::SSLeay::load_error_strings(); Net::SSLeay::ERR_load_crypto_strings(); Net::SSLeay::SSLeay_add_ssl_algorithms(); Net::SSLeay::randomize(); print "sslecho: Creating SSL context...\n" if $trace>1; $ctx = Net::SSLeay::CTX_new () or die_now("CTX_new ($ctx): $!\n"); print "sslecho: Setting cert and RSA key...\n" if $trace>1; Net::SSLeay::CTX_set_cipher_list($ctx,'ALL'); Net::SSLeay::set_cert_and_key($ctx, $cert_pem, $key_pem) or die "key"; while (1) { print "sslecho $$: Accepting connections...\n" if $trace>1; ($addr = accept (NS, S)) or die "accept: $!"; $old_out = select (NS); $| = 1; select ($old_out); # Piping hot! if ($trace) { ($af,$client_port,$client_ip) = unpack('S n a4 x8',$addr); @inetaddr = unpack('C4',$client_ip); print "$af connection from " . join ('.', @inetaddr) . ":$client_port\n" if $trace;; } # # Do SSL negotiation stuff # print "sslecho: Creating SSL session (cxt=`$ctx')...\n" if $trace>1; $ssl = Net::SSLeay::new($ctx) or die_now("ssl new ($ssl): $!"); print "sslecho: Setting fd (ctx $ctx, con $ssl)...\n" if $trace>1; Net::SSLeay::set_fd($ssl, fileno(NS)); print "sslecho: Entering SSL negotiation phase...\n" if $trace>1; Net::SSLeay::accept($ssl); die_if_ssl_error("ssl_echo: ssl accept: ($!)"); print "sslecho: Cipher `" . Net::SSLeay::get_cipher($ssl) . "'\n" if $trace; # # Connected. Exchange some data. # $got = Net::SSLeay::ssl_read_all($ssl) or die "$$: ssl read failed"; print "sslecho $$: got " . length($got) . " bytes\n" if $trace==2; print "sslecho: Got `$got' (" . length ($got) . " chars)\n" if $trace>2; $got = uc $got; if ($got eq 'CLIENT-CERT-TEST') { $got .= Net::SSLeay::dump_peer_certificate($ssl) . "END CERT\n"; } Net::SSLeay::ssl_write_all($ssl, $got) or die "$$: ssl write failed"; $got = ''; # in case it was huge print "sslecho: Tearing down the connection.\n\n" if $trace>1; Net::SSLeay::free ($ssl); close NS; } Net::SSLeay::CTX_free ($ctx); close S; __END__