Revert "stunnel proxy protocol remote ip,port setting feature added for smtps."

This reverts commit eaebf766bc.

lib/Qpsmtpd/PollServer.pm

@@ -85,7 +85,6 @@ sub reset_for_next_message {
     $self->SUPER::reset_for_next_message(@_);
 
     $self->{_commands} = {
-                          proxy => 1,
                           ehlo => 1,
                           helo => 1,
                           rset => 1,

lib/Qpsmtpd/SMTP.pm

@@ -34,7 +34,7 @@ sub new {
 
     my $self = bless({args => \%args}, $class);
 
-    my (@commands) = qw(proxy ehlo helo rset mail rcpt data help vrfy noop quit);
+    my (@commands) = qw(ehlo helo rset mail rcpt data help vrfy noop quit);
     my (%commands);
     @commands{@commands} = ('') x @commands;
 
@@ -150,52 +150,6 @@ sub connection {
       || ($self->{_connection} = Qpsmtpd::Connection->new());
 }
 
-# proxy command process for stunnel (protocol = proxy) config to support smtps
-sub proxy {
-    my ($self, $line) = @_;
-    # if not stunnel bypass
-    return if ( $self->connection->remote_ip() ne '127.0.0.1' );
-    # input format : PROXY TCP4 192.168.41.227 10.27.11.106 50060 465
-    if ( $line =~ m/^(.*?) (.*?) (.*?) (.*?) (.*?)$/ ) {
-        my $protocol = $1;
-        my $remote_ip = $2;
-        my $local_ip = $3;
-        my $remote_port = $4;
-        my $local_port = $5;
-        $self->connection->remote_ip( $remote_ip );
-        $self->connection->remote_port( $remote_port );
-        $self->connection->remote_info( "[$remote_ip]");
-
-        if ( $self->isa('Qpsmtpd::PollServer') ) {
-            use ParaDNS;
-            ParaDNS->new(
-                finished => sub { $self->continue_read() },
-                callback => sub { $self->connection->remote_host($_[0]) },
-                host     => $remote_ip,
-            );
-        }
-        else {
-            my $res = Net::DNS::Resolver->new( dnsrch => 0 );
-            $res->tcp_timeout(3);
-            $res->udp_timeout(3);
-            my $query = $res->query( $remote_ip, 'PTR' );
-            if ($query) {
-                foreach my $rr ($query->answer) {
-                    next if $rr->type ne 'PTR';
-                    $self->connection->remote_host( $rr->ptrdname );
-                }
-            }
-        }
-
-        $self->connection->notes('proxy', 'YES');
-        $self->connection->notes('protocol', $protocol);
-        $self->connection->notes('remote_ip', $remote_ip);
-        $self->connection->notes('remote_port', $remote_port);
-        $self->connection->notes('local_ip', $local_ip);
-        $self->connection->notes('local_port', $local_port);
-    }
-}
-
 sub helo {
     my ($self, $line) = @_;
     my ($rc,   @msg)  = $self->run_hooks('helo_parse');