diff options
| author | Peter Palfrader <peter@palfrader.org> | 2002-09-03 17:14:27 +0000 |
|---|---|---|
| committer | Peter Palfrader <peter@palfrader.org> | 2002-09-03 17:14:27 +0000 |
| commit | 6ebd214a5ff027266f1582bf749aa639cf59b8f0 (patch) | |
| tree | a12195135e38a30296ebd4135b6fdb3df1c018eb /Echolot/Pinger.pm | |
| parent | 6ab2d95e7cfeffb47332fbe70faa0c89c99f6aeb (diff) | |
Make ping/request time more random.
Encrypt pings (symmetrically), so that dup detection of some remailers (austria) fails and pings get processed.
Diffstat (limited to 'Echolot/Pinger.pm')
| -rw-r--r-- | Echolot/Pinger.pm | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/Echolot/Pinger.pm b/Echolot/Pinger.pm index a9a89af..07ee0f8 100644 --- a/Echolot/Pinger.pm +++ b/Echolot/Pinger.pm @@ -1,7 +1,7 @@ package Echolot::Pinger; # (c) 2002 Peter Palfrader <peter@palfrader.org> -# $Id: Pinger.pm,v 1.18 2002/07/22 01:28:21 weasel Exp $ +# $Id: Pinger.pm,v 1.19 2002/09/03 17:14:26 weasel Exp $ # =pod @@ -68,6 +68,7 @@ sub do_ping($$$) { "key: $key\n". "sent: $now\n". "mac: $mac\n"; + $body = Echolot::Tools::crypt_symmetrically($body, 'encrypt'); my $to = Echolot::Tools::make_address('ping'); if ($type eq 'mix') { @@ -89,8 +90,9 @@ sub send_pings($) { my $call_intervall = Echolot::Config::get()->{'pinger_interval'}; my $send_every_n_calls = Echolot::Config::get()->{'ping_every_nth_time'}; - my $timemod = ($scheduled_for / $call_intervall); + my $timemod = int ($scheduled_for / $call_intervall); my $this_call_id = $timemod % $send_every_n_calls; + my $session_id = int ($scheduled_for / ($call_intervall * $send_every_n_calls)); my @remailers = Echolot::Globals::get()->{'storage'}->get_remailers(); for my $remailer (@remailers) { @@ -101,7 +103,7 @@ sub send_pings($) { for my $type (Echolot::Globals::get()->{'storage'}->get_types($address)) { next unless Echolot::Config::get()->{'do_pings'}->{$type}; for my $key (Echolot::Globals::get()->{'storage'}->get_keys($address, $type)) { - next unless ($this_call_id eq (Echolot::Tools::makeShortNumHash($address.$type.$key) % $send_every_n_calls)); + next unless ($this_call_id eq (Echolot::Tools::makeShortNumHash($address.$type.$key.$session_id) % $send_every_n_calls)); print "ping calling $type, $address, $key\n" if Echolot::Config::get()->{'verbose'}; do_ping($type, $address, $key); } @@ -112,10 +114,14 @@ sub send_pings($) { sub receive($$$) { - my ($body, $token, $timestamp) = @_; + my ($msg, $token, $timestamp) = @_; my $now = time(); + my $body; + $body = Echolot::Tools::crypt_symmetrically($msg, 'decrypt') if $msg =~ /^-----BEGIN PGP MESSAGE-----/m; + $body = $msg unless defined $body; + my ($addr) = $body =~ /^remailer: (.*)$/m; my ($type) = $body =~ /^type: (.*)$/m; my ($key) = $body =~ /^key: (.*)$/m; |