/usr/share/namazu/filter/compress.pl is in namazu2-index-tools 2.0.21-20.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# -*- Perl -*-
# $Id: compress.pl,v 1.15.8.7 2005-06-06 06:13:34 opengl2772 Exp $
# Copyright (C) 2000-2004 Namazu Project All rights reserved ,
# This is free software with ABSOLUTELY NO WARRANTY.
#
# 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 versions 2, 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
#
# This file must be encoded in EUC-JP encoding
#
package compress;
use strict;
require 'util.pl';
my $zcatpath = undef;
my @zcatopts = undef;
sub mediatype() {
return ('application/x-compress');
}
sub status() {
$zcatpath = util::checkcmd('zcat');
@zcatopts = ("-cd");
return 'no' unless (defined $zcatpath);
return 'yes';
}
sub recursive() {
return 1;
}
sub pre_codeconv() {
return 0;
}
sub post_codeconv () {
return 0;
}
sub add_magic ($) {
return;
}
sub filter ($$$$$) {
my ($orig_cfile, $cont, $weighted_str, $headings, $fields)
= @_;
util::vprint("Processing compress file ... (using '$zcatpath')\n");
my $tmpfile = util::tmpnam('NMZ.compr');
{
my $fh = util::efopen("> $tmpfile");
print $fh $$cont;
util::fclose($fh);
}
{
my @cmd = ($zcatpath, @zcatopts, $tmpfile);
my $fh_out = IO::File->new_tmpfile();
my $status = util::syscmd(
command => \@cmd,
option => {
"stdout" => $fh_out,
"stderr" => "/dev/null",
},
);
my $size = util::filesize($fh_out);
if ($size == 0) {
util::fclose($fh_out);
unlink $tmpfile;
return "Unable to convert file ($zcatpath error occurred)";
}
if ($size > $conf::FILE_SIZE_MAX) {
util::fclose($fh_out);
unlink $tmpfile;
return 'Too large compressed file';
}
$$cont = util::readfile($fh_out);
util::fclose($fh_out);
}
unlink $tmpfile;
return undef;
}
1;
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