91 lines
2.3 KiB
Perl
91 lines
2.3 KiB
Perl
package Qpsmtpd::TcpServer;
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use Qpsmtpd::SMTP;
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use Qpsmtpd::Constants;
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@ISA = qw(Qpsmtpd::SMTP);
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use strict;
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use POSIX ();
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my $first_0;
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sub start_connection {
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my $self = shift;
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die "Qpsmtpd::TcpServer must be started by tcpserver\n"
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unless $ENV{TCPREMOTEIP};
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my $remote_host = $ENV{TCPREMOTEHOST} || ( $ENV{TCPREMOTEIP} ? "[$ENV{TCPREMOTEIP}]" : "[noip!]");
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my $remote_info = $ENV{TCPREMOTEINFO} ? "$ENV{TCPREMOTEINFO}\@$remote_host" : $remote_host;
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my $remote_ip = $ENV{TCPREMOTEIP};
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$self->log(LOGNOTICE, "Connection from $remote_info [$remote_ip]");
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# if the local dns resolver doesn't filter it out we might get
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# ansi escape characters that could make a ps axw do "funny"
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# things. So to be safe, cut them out.
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$remote_host =~ tr/a-zA-Z\.\-0-9//cd;
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$first_0 = $0 unless $first_0;
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my $now = POSIX::strftime("%H:%M:%S %Y-%m-%d", localtime);
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$0 = "$first_0 [$remote_ip : $remote_host : $now]";
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$self->SUPER::connection->start(remote_info => $remote_info,
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remote_ip => $remote_ip,
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remote_host => $remote_host,
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@_);
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}
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sub run {
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my $self = shift;
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# should be somewhere in Qpsmtpd.pm and not here...
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$self->load_plugins;
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my $rc = $self->start_conversation;
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return if $rc != DONE;
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# this should really be the loop and read_input should just get one line; I think
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$self->read_input;
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}
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sub read_input {
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my $self = shift;
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my $timeout =
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$self->config('timeoutsmtpd') # qmail smtpd control file
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|| $self->config('timeout') # qpsmtpd control file
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|| 1200; # default value
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alarm $timeout;
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while (<STDIN>) {
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alarm 0;
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$_ =~ s/\r?\n$//s; # advanced chomp
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$self->log(LOGDEBUG, "dispatching $_");
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$self->connection->notes('original_string', $_);
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defined $self->dispatch(split / +/, $_)
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or $self->respond(502, "command unrecognized: '$_'");
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alarm $timeout;
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}
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alarm(0);
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}
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sub respond {
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my ($self, $code, @messages) = @_;
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while (my $msg = shift @messages) {
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my $line = $code . (@messages?"-":" ").$msg;
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$self->log(LOGDEBUG, $line);
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print "$line\r\n" or ($self->log(LOGERROR, "Could not print [$line]: $!"), return 0);
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}
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return 1;
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}
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sub disconnect {
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my $self = shift;
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$self->log(LOGDEBUG,"click, disconnecting");
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$self->SUPER::disconnect(@_);
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exit;
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}
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1;
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