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package Echolot::Commands;
#
# $Id$
#
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
=pod
=head1 Name
Echolot::Commands - manage commands like add key, set ttl etc.
=head1 DESCRIPTION
This package provides functions for sending out and receiving pings.
=cut
use strict;
use Echolot::Log;
use Fcntl ':flock'; # import LOCK_* constants
#use Fcntl ':seek'; # import SEEK_* constants
use POSIX; # import SEEK_* constants (older perls don't have SEEK_ in Fcntl)
use English;
sub addCommand($) {
my ($command) = @_;
my $filename = Echolot::Config::get()->{'commands_file'};
open(FH, ">>$filename" ) or
Echolot::Log::warn("Cannot open $filename for appending $!."),
return 0;
flock(FH, LOCK_EX) or
Echolot::Log::warn("Cannot get exclusive lock on $filename: $!."),
return 0;
print FH $command,"\n";
flock(FH, LOCK_UN) or
Echolot::Log::warn("Cannot unlock $filename: $!.");
close(FH) or
Echolot::Log::warn("Cannot close $filename: $!.");
};
sub processCommands($) {
my $filename = Echolot::Config::get()->{'commands_file'};
(-e $filename) or
return 1;
my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size, $atime,$mtime,$ctime,$blksize,$blocks)= stat $filename;
($size > 0) or
return 1;
open(FH, "+<$filename" ) or
Echolot::Log::warn("Cannot open $filename for reading: $!."),
return 0;
flock(FH, LOCK_EX) or
Echolot::Log::warn("Cannot get exclusive lock on $filename: $!."),
return 0;
while (<FH>) {
chomp;
my ($command, @args) = split;
if ($command eq 'add') {
Echolot::Globals::get()->{'storage'}->add_address(@args);
} elsif ($command eq 'set') {
Echolot::Globals::get()->{'storage'}->set_stuff(@args);
} elsif ($command eq 'getkeyconf') {
Echolot::Globals::get()->{'scheduler'}->schedule('getkeyconf', 0, time(), \@args );
} elsif ($command eq 'sendpings') {
Echolot::Globals::get()->{'scheduler'}->schedule('ping', 0, time(), \@args );
} elsif ($command eq 'sendchainpings') {
Echolot::Globals::get()->{'scheduler'}->schedule('chainping', 0, time(), \@args );
} elsif ($command eq 'buildstats') {
Echolot::Globals::get()->{'scheduler'}->schedule('buildstats', 0, time() );
} elsif ($command eq 'buildkeys') {
Echolot::Globals::get()->{'scheduler'}->schedule('buildkeys', 0, time() );
} elsif ($command eq 'buildthesaurus') {
Echolot::Globals::get()->{'scheduler'}->schedule('buildthesaurus', 0, time() );
} elsif ($command eq 'buildfromlines') {
Echolot::Globals::get()->{'scheduler'}->schedule('buildfromlines', 0, time() );
} elsif ($command eq 'summary') {
@args = ('manual');
Echolot::Globals::get()->{'scheduler'}->schedule('summary', 0, time(), \@args );
} elsif ($command eq 'delete') {
Echolot::Globals::get()->{'storage'}->delete_remailer(@args);
} elsif ($command eq 'setremailercaps') {
my $addr = shift @args;
my $conf = join(' ', @args);
Echolot::Conf::set_caps_manually($addr, $conf);
} elsif ($command eq 'deleteremailercaps') {
Echolot::Globals::get()->{'storage'}->delete_remailercaps(@args);
} else {
Echolot::Log::warn("Unkown command: '$_'.");
};
};
seek(FH, 0, SEEK_SET) or
Echolot::Log::warn("Cannot seek to start '$filename': $!."),
return 0;
truncate(FH, 0) or
Echolot::Log::warn("Cannot truncate '$filename' to zero length: $!."),
return 0;
flock(FH, LOCK_UN) or
Echolot::Log::warn("Cannot unlock '$filename': $!.");
close(FH) or
Echolot::Log::warn("Cannot close '$filename': $!.");
};
1;
# vim: set ts=4 shiftwidth=4:
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