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convert-ids-modification-files: New converter.

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This converter is responsible to convert the old oinkmaster modification
files into the new files and format.

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
This commit is contained in:
Stefan Schantl
2022-03-20 18:59:42 +01:00
parent 432b8ed21e
commit 8114440752
1 changed files with 80 additions and 0 deletions
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config/suricata/convert-ids-modification-files Normal file
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#!/usr/bin/perl
###############################################################################
# #
# IPFire.org - A linux based firewall #
# Copyright (C) 2021 IPFire Development Team <info@ipfire.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 3 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, see <http://www.gnu.org/licenses/>. #
# #
###############################################################################
use strict;
require '/var/ipfire/general-functions.pl';
require '/var/ipfire/ids-functions.pl';
# Exit if there is no main oinkmaster config file anymore.
exit 0 unless (-f "$IDS::settingsdir/oinkmaster.conf");
# Get all supported providers.
my @providers = &IDS::get_ruleset_providers();
# Loop through the array of providers.
foreach my $provider (@providers) {
my %modifications = ();
# Generate old filename which hold the ruleset modifications.
my $old_modifications_file = "$IDS::settingsdir/oinkmaster\-$provider\-modified-sids.conf";
# Skip provider if there is no modifications file.
next unless (-f $old_modifications_file);
# Open modifications file.
open(FILE, "$old_modifications_file");
# Read-in file content.
my @file = <FILE>;
# Close file handle.
close(FILE);
# Loop through the file content.
foreach my $line (@file) {
chomp($line);
# Split line and assign to an temporary array.
my @tmp = split(/ /, $line);
# Assign nice human-readable variables.
my $action = $tmp[0];
my $sid = $tmp[1];
# Process stored rule action and assign to the modifications hash.
if ($action eq "enablesid") {
$modifications{$sid} = "enabled";
} elsif ($action eq "disablesid") {
$modifications{$sid} = "disabled";
}
}
# Get new filename which will hold the ruleset modifications for this provider.
my $new_modifications_file = &IDS::get_provider_ruleset_modifications_file($provider);
# Write new modifications file.
&General::writehash("$new_modifications_file", \%modifications);
# Set correct ownership for the new modifications file.
&IDS::set_ownership("$new_modifications_file");
}