commit b3a99167475a11e90c1ed3f9271dbb8db3c56057
Author: Grzegorz Surmann <gs@funil.de>
Date:   Wed Jul 17 17:04:23 2024 +0000

    first commit

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..6e0d064
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+etc/config.ini
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..e69de29
diff --git a/etc/init.d/bgpblacklist b/etc/init.d/bgpblacklist
new file mode 100755
index 0000000..278df70
--- /dev/null
+++ b/etc/init.d/bgpblacklist
@@ -0,0 +1,44 @@
+#! /bin/sh
+#
+### BEGIN INIT INFO
+# Provides:          bgpblacklist
+# Required-Start:    $remote_fs $syslog
+# Required-Stop:     $remote_fs $syslog
+# Default-Start:     2 3 4 5
+# Default-Stop:      0 1 6
+# Short-Description: Start and stop the bgpblacklist daemon
+# Description:       Controls the main bgpblacklist daemon
+### END INIT INFO
+#
+
+PATH=/root/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
+export PATH
+
+. /lib/lsb/init-functions
+
+myname=`basename $0`
+mypath='/opt/bgpblist'
+
+cd $mypath
+
+
+case "$1" in
+	start)
+		log_daemon_msg "Starting bgpblacklist"
+		start-stop-daemon --start --quiet --pidfile /var/run/allall.pid --background --make-pidfile --exec $mypath/allall.php
+		log_end_msg $?
+	;;
+	stop)
+		log_daemon_msg "Stopping bgpblacklist"
+		killall -HUP -g allall.php >/dev/null 2>&1
+		start-stop-daemon --oknodo --stop --quiet --pidfile /var/run/allall.pid --exec $mypath/allall.php
+		log_end_msg $?
+	;;
+	restart)
+		$mypath/$myname stop && $mypath/$myname start
+	;;
+	*)
+		echo "Usage: $0 {start|stop|restart}" >&2
+		exit 3
+	;;
+esac
diff --git a/etc/systemd/bgpblacklist.service b/etc/systemd/bgpblacklist.service
new file mode 100644
index 0000000..a972649
--- /dev/null
+++ b/etc/systemd/bgpblacklist.service
@@ -0,0 +1,9 @@
+[Unit]
+Description=bgpblacklist
+
+[Service]
+ExecStart=/opt/bgpblist/sbin/bgpblacklistd
+Restart=on-failure
+
+[Install]
+WantedBy=multi-user.target
diff --git a/sbin/bgpblacklistd b/sbin/bgpblacklistd
new file mode 100755
index 0000000..448562f
--- /dev/null
+++ b/sbin/bgpblacklistd
@@ -0,0 +1,96 @@
+#!/usr/bin/php
+<?php
+if ( !file_exists("/opt/bgpblist/etc/config.ini") ) {
+	echo "ERROR: no config file\n";
+	file_put_contents("/opt/bgpblist/etc/config.ini","[customer]
+cust_uuid = 00000000-0000-0000-0000-000000000000
+
+[syslog]
+logfile = /var/log/bgpblacklist.log");
+	echo "INFO: file created, edit it before next start\n";
+	die();
+}
+logtofile("PROCESS_START");
+$conf=parse_ini_file("/opt/bgpblist/etc/config.ini",TRUE);
+$customer=$conf["customer"]["cust_uuid"];
+$logfile=$conf["syslog"]["logfile"];
+declare(ticks = 1);
+pcntl_signal(SIGINT,"sig_handler");
+pcntl_signal(SIGTERM,"sig_handler");
+pcntl_signal(SIGHUP,"sig_handler");
+$prev_bad=array();
+clean_routes();
+while(TRUE) {
+	$cycle_beg=microtime(TRUE);
+	logtofile("CYCLE_BEG");
+	$raw=@file_get_contents('https://hosts.funil.de/custom/'.$customer.'/csubscr_aggr.txt');
+	if ( strlen($raw) == 0 ) {
+		logtofile("EMPTY_REM");
+		$sleeptime=10;
+		logtofile("SLEEP: ".$sleeptime."s");
+		sleep($sleeptime);
+		continue;
+	}
+	$tmp=explode("\n",$raw);
+	$bad_nets=array();
+	foreach($tmp as $k => $v) {
+		if ( strlen(trim($v)) == 0 ) {
+			continue;
+		}
+		if ( ip2long(preg_replace("/\/.*/","",$v)) == 0 || preg_match("/:/",$v) ) {
+			unset($tmp[$k]);
+		}
+		list($net,$mask)=explode("/",$v);
+		if ( $mask <= 19 ) {
+			unset($tmp[$k]);
+		}
+		$bad_nets[$v]=TRUE;
+	}
+	if ( count($bad_nets) == 0 ) {
+		logtofile("EMPTY_LST");
+		$sleeptime=10;
+		logtofile("SLEEP: ".$sleeptime."s");
+		sleep($sleeptime);
+		continue;
+	}
+	foreach(array_keys($bad_nets) as $k) {
+		if ( !array_key_exists($k,$prev_bad) ) {
+			passthru("ip route add prohibit ".$k);
+			logtofile("ROUTE + ".$k);
+		}
+	}
+	foreach(array_keys($prev_bad) as $k) {
+		if ( !array_key_exists($k,$bad_nets) ) {
+			passthru("ip route del prohibit ".$k);
+			logtofile("ROUTE - ".$k);
+		}
+	} 
+	$prev_bad=$bad_nets;
+	gc_collect_cycles();
+	$cycle_end=microtime(TRUE);
+	logtofile("CYCLE_END");
+	$cycle_len=number_format($cycle_end-$cycle_beg,3,".","");
+	logtofile("CYCLE_LEN: ".$cycle_len."s");
+	$sleeptime=30*ceil($cycle_len);
+	if ( $sleeptime < 10 ) { $sleeptime=10; }
+	if ( $sleeptime > 300 ) { $sleeptime=300; }
+	logtofile("SLEEP: ".$sleeptime."s");
+	sleep($sleeptime);
+}
+function logtofile($text) {
+	global $logfile;
+	$data=gmdate("Y-m-d H:i:s")." | ".$text."\n";
+	file_put_contents($logfile,$data,FILE_APPEND);
+}
+function sig_handler($sig) {
+	clean_routes();
+	exit_die();
+}
+function clean_routes() {
+	logtofile("CLEANING_RT");
+	passthru("ip route show | grep '^prohibit ' | awk '{print $2}' | xargs -I '{}' ip route del prohibit '{}'");
+}
+function exit_die() {
+	logtofile("EXITING...");
+	die();
+}