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Patch 1 #1

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93e9770
Update tcp-proxy2.pl
Tche333 Apr 30, 2016
11a4ee8
Update tcp-proxy2.pl
Tche333 Apr 30, 2016
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30 changes: 17 additions & 13 deletions tcp-proxy2.pl
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Original file line number Diff line number Diff line change
@@ -1,21 +1,21 @@
#!/usr/bin/perl
#
# Peteris Krumins ([email protected])
# http://www.catonmat.net -- good coders code, great reuse
#
#
# Written for the article "A TCP Proxy in Perl":
#
# http://catonmat.net/blog/perl-tcp-proxy
#

#!/usr/bin/perl
#
# Peteris Krumins ([email protected])
# http://www.catonmat.net -- good coders code, great reuse
# Minor Improve by Tche333
#
# Written for the article "A TCP Proxy in Perl":
#
# http://catonmat.net/blog/perl-tcp-proxy
#
use warnings;
use strict;

use IO::Socket::INET;
use IO::Select;

my @allowed_ips = ('all', '10.10.10.5');
#my @allowed_ips = ('all', '10.10.10.5');
my @allowed_ips = ('10.10.10.5');
my $ioset = IO::Select->new;
my %socket_map;

Expand All @@ -24,6 +24,7 @@
sub new_conn {
my ($host, $port) = @_;
return IO::Socket::INET->new(
Type => SOCK_STREAM,
PeerAddr => $host,
PeerPort => $port
) || die "Unable to connect to $host:$port: $!";
Expand All @@ -33,6 +34,8 @@ sub new_server {
my ($host, $port) = @_;
my $server = IO::Socket::INET->new(
LocalAddr => $host,
# Proto => "tcp",
Type => SOCK_STREAM,
LocalPort => $port,
ReuseAddr => 1,
Listen => 100
Expand All @@ -55,6 +58,8 @@ sub new_connection {
print "Connection from $client_ip accepted.\n" if $debug;

my $remote = new_conn($remote_host, $remote_port);
print "Connecting to $remote_host:$remote_port.\n" if $debug;

$ioset->add($client);
$ioset->add($remote);

Expand Down Expand Up @@ -119,4 +124,3 @@ sub client_allowed {
}
}
}