469c01a1f4
These may be useful during normal operations. git-svn-id: https://svn.perl.org/qpsmtpd/branches/0.3x@685 958fd67b-6ff1-0310-b445-bb7760255be9
108 lines
2.9 KiB
Perl
108 lines
2.9 KiB
Perl
package Qpsmtpd::TcpServer;
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use Qpsmtpd::SMTP;
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use Qpsmtpd::Constants;
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use Socket;
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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 $self = shift;
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my ($remote_host, $remote_info, $remote_ip);
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if ($ENV{TCPREMOTEIP}) {
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# started from tcpserver (or some other superserver which
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# exports the TCPREMOTE* variables.
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$remote_ip = $ENV{TCPREMOTEIP};
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$remote_host = $ENV{TCPREMOTEHOST} || "[$remote_ip]";
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$remote_info = $ENV{TCPREMOTEINFO} ? "$ENV{TCPREMOTEINFO}\@$remote_host" : $remote_host;
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} else {
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# Started from inetd or similar.
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# get info on the remote host from the socket.
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# ignore ident/tap/...
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my $hersockaddr = getpeername(STDIN)
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or die "getpeername failed: $0 must be called from tcpserver, (x)inetd or a similar program which passes a socket to stdin";
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my ($port, $iaddr) = sockaddr_in($hersockaddr);
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$remote_ip = inet_ntoa($iaddr);
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$remote_host = gethostbyaddr($iaddr, AF_INET) || "[$remote_ip]";
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$remote_info = $remote_host;
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}
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$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 unless $self->{hooks};
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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(LOGINFO, "dispatching $_");
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$self->connection->notes('original_string', $_);
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defined $self->dispatch(split / +/, $_, 2)
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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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my $buf = '';
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while (my $msg = shift @messages) {
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my $line = $code . (@messages?"-":" ").$msg;
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$self->log(LOGINFO, $line);
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$buf .= "$line\r\n";
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}
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print $buf or ($self->log(LOGERROR, "Could not print [$buf]: $!"), return 0);
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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(LOGINFO,"click, disconnecting");
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$self->SUPER::disconnect(@_);
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$self->run_hooks("post-connection");
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exit;
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}
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1;
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