package Echolot::Pinger::Mix; # (c) 2002 Peter Palfrader # $Id: Mix.pm,v 1.14 2003/04/29 18:15:37 weasel Exp $ # =pod =head1 Name Echolot::Pinger::Mix - send mix pings =head1 DESCRIPTION This package provides functions for sending mixmaster (type II) pings. =cut use strict; use English; use IO::Handle; use Echolot::Log; sub ping($$$$$) { my ($body, $to, $with_from, $chain, $keys) = @_; my $chaincomma = join (',', @$chain); my $keyring = Echolot::Config::get()->{'mixhome'}.'/pubring.mix'; open (F, '>'.$keyring) or Echolot::Log::warn("Cannot open $keyring for writing: $!."), return 0; for my $keyid (keys %$keys) { print (F $keys->{$keyid}->{'summary'}, "\n\n"); print (F $keys->{$keyid}->{'key'},"\n\n"); }; close (F) or Echolot::Log::warn("Cannot close $keyring: $!."), return 0; my $type2list = Echolot::Config::get()->{'mixhome'}.'/type2.list'; open (F, '>'.$type2list) or Echolot::Log::warn("Cannot open $type2list for writing: $!."), return 0; for my $keyid (keys %$keys) { print (F $keys->{$keyid}->{'summary'}, "\n"); }; close (F) or Echolot::Log::warn("Cannot close $type2list: $!."), return 0; my $mixcfg = Echolot::Config::get()->{'mixhome'}.'/mix.cfg'; my $address = Echolot::Config::get()->{'my_localpart'} . '@' . Echolot::Config::get()->{'my_domain'}; my $sendmail = Echolot::Config::get()->{'sendmail'}; open (F, ">$mixcfg") or Echolot::Log::warn("Cannot open $mixcfg for writing: $!."), return 0; print (F "REMAIL n\n"); print (F "NAME Echolot Pinger\n"); print (F "ADDRESS $address\n"); print (F "PUBRING pubring.mix\n"); print (F "TYPE2LIST type2.list\n"); print (F "SENDMAIL $sendmail -f $address -t\n"); print (F "VERBOSE 0\n"); close (F) or Echolot::Log::warn("Cannot close $mixcfg: $!."), return 0; my ($stdinR, $stdinW) = (IO::Handle->new(), IO::Handle->new()); my ($stdoutR, $stdoutW) = (IO::Handle->new(), IO::Handle->new()); my ($stderrR, $stderrW) = (IO::Handle->new(), IO::Handle->new()); pipe $stdinR, $stdinW; pipe $stdoutR, $stdoutW; pipe $stderrR, $stderrW; my $pid = fork(); defined $pid or Echolot::Log::warn("Cannot fork for calling mixmaster: $!."), return 0; unless ($pid) { # child $stdinW->close; $stdoutR->close; $stderrR->close; close STDIN; close STDOUT; close STDERR; open (STDIN, "<&".$stdinR->fileno) or Echolot::Log::warn ("Cannot dup stdinR (fd ".$stdinR->fileno.") as STDIN: $!"); open (STDOUT, ">&".$stdoutW->fileno) or Echolot::Log::warn ("Cannot dup stdoutW (fd ".$stdoutW->fileno.") as STDOUT: $!"); open (STDERR, ">&".$stderrW->fileno) or Echolot::Log::warn ("Cannot dup stderrW (fd ".$stderrW->fileno.") as STDERE: $!"); $ENV{'MIXPATH'} = Echolot::Config::get()->{'mixhome'}; { exec(Echolot::Config::get()->{'mixmaster'}, qw{-m -S -l}, $chaincomma); }; Echolot::Log::warn("Cannot exec mixpinger: $!."); exit(1); }; $stdinR->close; $stdoutW->close; $stderrW->close; my $msg; $msg .= "From: Echolot Pinger <$address>\n" if $with_from; $msg .= "To: $to\n\n$body\n"; Echolot::Log::debug("mixping: fds: stdinW $stdinW; stdoutR $stdoutR; stderrR $stderrR."), my ($stdout, $stderr, undef) = Echolot::Tools::readwrite_gpg($msg, $stdinW, $stdoutR, $stderrR, undef); waitpid $pid, 0; $stderr =~ s/\n+$//; Echolot::Log::debug("Mixmaster said on unfiltered stderr: $stderr") if ($stderr ne ''); $stderr =~ s/^Chain: .*//mg; $stderr =~ s/^Warning: The message has a From: line.*//mg; $stderr =~ s/\n+$//; Echolot::Log::info("Mixmaster said on stdout: $stdout") if ($stdout ne ''); Echolot::Log::warn("Mixmaster said on stderr: $stderr") if ($stderr ne ''); return 1; }; 1; # vim: set ts=4 shiftwidth=4: