/usr/share/perl5/Echolot/Pinger/Mix.pm is in echolot 2.1.8-8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 | package Echolot::Pinger::Mix;
#
# $Id: Mix.pm 695 2005-10-09 21:36:30Z weasel $
#
# This file is part of Echolot - a Pinger for anonymous remailers.
#
# Copyright (c) 2002, 2003, 2004 Peter Palfrader <peter@palfrader.org>
#
# This program is free software. you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
=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");
print (F "INDUMMYP 0\n");
print (F "OUTDUMMYP 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;
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