/usr/share/namazu/filter/rpm.pl is in namazu2-index-tools 2.0.21-21.
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: rpm.pl,v 1.4.4.10 2008-05-09 07:40:01 opengl2772 Exp $
# Copyright (C) 2000-2008 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 rpm;
use strict;
require 'util.pl';
require 'gfilter.pl';
my $rpmpath = undef;
my @rpmopts = undef;
sub mediatype() {
return ('application/x-rpm');
}
sub status() {
$rpmpath = util::checkcmd('rpm');
@rpmopts = ("-qpi");
return 'no' unless (defined $rpmpath);
return 'yes';
}
sub recursive() {
return 0;
}
sub pre_codeconv() {
return 0;
}
sub post_codeconv () {
return 0;
}
sub add_magic ($) {
my ($magic) = @_;
# FIXME: very ad hoc.
$magic->addFileExts('\\.rpm$', 'application/x-rpm');
return;
}
sub filter ($$$$$) {
my ($orig_cfile, $cont, $weighted_str, $headings, $fields)
= @_;
my $cfile = defined $orig_cfile ? $$orig_cfile : '';
my $size = 0;
util::vprint("Processing rpm file ... (using '$rpmpath')\n");
my $tmpfile = util::tmpnam('NMZ.rpm');
{
my $fh = util::efopen("> $tmpfile");
print $fh $$cont;
util::fclose($fh);
}
{
my %env = (
"LC_ALL" => undef,
"LC_MESSAGE" => $util::LANG,
"LC_TIME" => "C",
);
my @cmd = ($rpmpath, @rpmopts, $tmpfile);
my $fh_out = IO::File->new_tmpfile();
my $status = util::syscmd(
command => \@cmd,
option => {
"stdout" => $fh_out,
"stderr" => "/dev/null",
},
env => \%env,
);
my $size = util::filesize($fh_out);
if ($size == 0) {
util::fclose($fh_out);
unlink $tmpfile;
return "Unable to convert file ($rpmpath error occurred).";
}
if ($size > $conf::FILE_SIZE_MAX) {
util::fclose($fh_out);
unlink $tmpfile;
return 'Too large rpm file.';
}
$$cont = util::readfile($fh_out);
util::fclose($fh_out);
}
unlink $tmpfile;
codeconv::normalize_document($cont);
rpm_filter($cont, $weighted_str, $fields, $headings);
gfilter::line_adjust_filter($cont);
gfilter::line_adjust_filter($weighted_str);
gfilter::white_space_adjust_filter($cont);
$fields->{'title'} = gfilter::filename_to_title($cfile, $weighted_str)
unless $fields->{'title'};
gfilter::show_filter_debug_info($cont, $weighted_str,
$fields, $headings);
return undef;
}
sub rpm_filter ($$$$) {
my ($contref, $weighted_str, $fields, $headings) = @_;
rpm::get_title($contref, $weighted_str, $fields);
rpm::get_author($contref, $fields);
rpm::get_date($contref, $fields);
rpm::get_size($contref, $fields);
rpm::get_summary($contref, $fields);
return;
}
# Below is the sample result of 'rpm -qi rpm'.
#
# Name : rpm Relocations: (not relocateable)
# Version : 3.0.5 Vendor: (none)
# Release : 3k Build Date: Fri Jun 30 10:12:19 2000
# Install date: Thu Sep 14 21:32:32 2000 Build Host: omoi.kondara.org
# Group : System Environment/Base Source RPM: rpm-3.0.5-3k.nosrc.rpm
# Size : 3111493 License: GPL
# URL : http://www.rpm.org/
# Summary : The Red Hat package management system.
# Description :
# The RPM Package Manager (RPM) is a powerful command line driven
# package management system capable of installing, uninstalling,
# verifying, querying, and updating software packages. Each software
# package consists of an archive of files along with information about
# the package like its version, a description, etc.
sub get_title ($$$) {
my ($contref, $weighted_str, $fields) = @_;
if ($$contref =~ /Summary : (.*)/) {
my $tmp = $1;
$fields->{'title'} = $tmp;
my $weight = $conf::Weight{'html'}->{'title'};
$$weighted_str .= "\x7f$weight\x7f$tmp\x7f/$weight\x7f\n";
}
}
sub get_author ($$) {
my ($contref, $fields) = @_;
if ($$contref =~ /Vendor: (.*)/) {
my $tmp = $1;
$fields->{'author'} = $tmp;
}
}
sub get_date ($$) {
my ($contref, $fields) = @_;
if ($$contref =~ /Build Date: (.*)/) {
my $time = $1;
my $err = time::ctime_to_rfc822time(\$time);
$fields->{'date'} = $time unless ($err);
}
}
sub get_size ($$) {
my ($contref, $fields) = @_;
if ($$contref =~ /Size\s+: (.*)$/) {
my $tmp = $1;
$fields->{'size'} = $tmp;
}
}
sub get_summary ($$) {
my ($contref, $fields) = @_;
if ($$contref =~ /Description :(.*)/is) {
my $tmp = $1;
$fields->{'summary'} = $tmp;
}
$$contref =~ s/^.*Description ://is;
}
1;
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