FreenetIS

#!/bin/bash

################################################################################

# #

# This script serves for QoS synchronization of IS FreenetIS #

# #

# Author Michal Kliment 2012 #

# Email kliment@freenetis.org #

# #

# name freenetis-qos-sync.sh #

# version 0.9.0 #

# #

################################################################################

#Load variables from config file

CONFIG=/etc/freenetis/freenetis-qos.conf

PATH_QOS_MEMBERS=/tmp/qos_members

PATH_QOS_IP_ADDRESSES=/tmp/qos_ip_addresses

PATH_QOS_IPSETS=/tmp/qos_ipsets

IPTABLES=/sbin/iptables

LOG_PREFIX=`date "+%Y-%m-%d %H:%M"`" QoS: "

ROOT="1:"

#Load variables

if [ -f ${CONFIG} ]; then

. $CONFIG;

else

echo "Config file is missing at path $CONFIG."

echo "Terminating..."

exit 0

fi

stop ()

{

# for each current ipsets, list is stored in file

cat $PATH_QOS_IPSETS | while read line

do

ID=`echo $line | awk '{print $1}'`

IPSET=`echo $line | awk '{print $2}'`

# flush ipset

ipset -F $IPSET

echo $LOG_PREFIX"Emptied ipset $IPSET";

# remove its iptables rules

#$IPTABLES -t mangle -D POSTROUTING -o $OUTPUT_INTERFACE -m set --set $IPSET src -j CLASSIFY --set-class $ROOT$ID

$IPTABLES -t mangle -D POSTROUTING -m set --set $IPSET src -j CLASSIFY --set-class $ROOT$ID

$IPTABLES -t mangle -D POSTROUTING -m set --set $IPSET src -j RETURN

echo $LOG_PREFIX"Deleted iptables rule for assignment upload tc class $ROOT$ID to ipset $IPSET"

#$IPTABLES -t mangle -D POSTROUTING -o $INPUT_INTERFACE -m set --set $IPSET dst -j CLASSIFY --set-class $ROOT$ID

$IPTABLES -t mangle -D POSTROUTING -m set --set $IPSET dst -j CLASSIFY --set-class $ROOT$ID

$IPTABLES -t mangle -D POSTROUTING -m set --set $IPSET dst -j RETURN

echo $LOG_PREFIX"Deleted iptables rule for assignment download tc class $ROOT$ID to ipset $IPSET"

# remove ipset

ipset -X $IPSET

echo $LOG_PREFIX"Removed ipset $IPSET"

done

# clear file with ipset list

cat /dev/null > $PATH_QOS_IPSETS

echo $LOG_PREFIX"Deleting old tc classes"

# deletes all old qdiscs, its remove all children classes, qdisc, etc.

tc qdisc del dev $OUTPUT_INTERFACE root 2> /dev/null

tc qdisc del dev $INPUT_INTERFACE root 2> /dev/null

}

start ()

{

echo $LOG_PREFIX"Downloading data"

wget -q -O $PATH_QOS_MEMBERS $SET_URL_QOS_MEMBERS --no-check-certificate

wget -q -O $PATH_QOS_IP_ADDRESSES $SET_URL_QOS_IP_ADDRESSES --no-check-certificate

# creates default qdiscs (first for upload, second for download)

tc qdisc add dev $OUTPUT_INTERFACE root handle $ROOT htb default 2

echo $LOG_PREFIX"Added root tc qdisc for upload"

tc qdisc add dev $INPUT_INTERFACE root handle $ROOT htb default 2

echo $LOG_PREFIX"Added root tc qdisc for download"

# line number counter

LNR=1

cat $PATH_QOS_MEMBERS | while read line

do

ID=`echo $line | awk '{print $1}'`

UPLOAD_CEIL=`echo $line | awk '{print $2}'`

DOWNLOAD_CEIL=`echo $line | awk '{print $3}'`

UPLOAD_RATE=`echo $line | awk '{print $4}'`

DOWNLOAD_RATE=`echo $line | awk '{print $5}'`

PRIORITY=`echo $line | awk '{print $6}'`

PROTOCOL=`echo $line | awk '{print $7}'`

PARENT=`echo $line | awk '{print $8}'`

IPSET=`echo $line | awk '{print $9}'`

if [ "$UPLOAD_CEIL" != "0M" ]; then

UPLOAD_CEIL=" ceil "$UPLOAD_CEIL"bit"

else

UPLOAD_CEIL=""

fi

if [ "$UPLOAD_RATE" != "0M" ]; then

UPLOAD_RATE=" rate "$UPLOAD_RATE"bit"

else

UPLOAD_RATE=""

fi

if [ "$DOWNLOAD_CEIL" != "0M" ]; then

DOWNLOAD_CEIL=" ceil "$DOWNLOAD_CEIL"bit"

else

DOWNLOAD_CEIL=""

fi

if [ "$DOWNLOAD_RATE" != "0M" ]; then

DOWNLOAD_RATE=" rate "$DOWNLOAD_RATE"bit"

else

DOWNLOAD_RATE=""

fi

# creates classes (first for upload, second for download)

tc class add dev $OUTPUT_INTERFACE parent $ROOT$PARENT classid $ROOT$ID htb $UPLOAD_RATE $UPLOAD_CEIL

echo $LOG_PREFIX"Created tc class $ROOT$ID for upload"

tc class add dev $INPUT_INTERFACE parent $ROOT$PARENT classid $ROOT$ID htb $DOWNLOAD_RATE $DOWNLOAD_CEIL

echo $LOG_PREFIX"Created tc class $ROOT$ID for download"

if [ "$LNR" -gt 1 ]; then

tc qdisc add dev $OUTPUT_INTERFACE parent $ROOT$ID handle $ID: sfq

echo $LOG_PREFIX"Created tc qdisc for upload tc class $ROOT$ID"

tc qdisc add dev $INPUT_INTERFACE parent $ROOT$ID handle $ID: sfq

echo $LOG_PREFIX"Created tc qdisc for download tc class $ROOT$ID"

tc filter add dev $OUTPUT_INTERFACE parent $ID: prio $PRIORITY handle $ID protocol $PROTOCOL flow hash keys nfct-src divisor 1024

echo $LOG_PREFIX"Created filter for upload tc class $ROOT$ID with priority $PRIORITY and protocol $PROTOCOL"

tc filter add dev $INPUT_INTERFACE parent $ID: prio $PRIORITY handle $ID protocol $PROTOCOL flow hash keys dst divisor 1024

echo $LOG_PREFIX"Created filter for download tc class $ROOT$ID with priority $PRIORITY and protocol $PROTOCOL"

fi

if [ "$IPSET" != "" ]; then

ipset -N $IPSET iphash --hashsize 10000 --probes 8 --resize 50

echo $LOG_PREFIX"Created ipset $IPSET for tc class $ROOT$ID"

#$IPTABLES -t mangle -A POSTROUTING -o $OUTPUT_INTERFACE -m set --set $IPSET src -j CLASSIFY --set-class $ROOT$ID

$IPTABLES -t mangle -A POSTROUTING -m set --set $IPSET src -j CLASSIFY --set-class $ROOT$ID

$IPTABLES -t mangle -A POSTROUTING -m set --set $IPSET src -j RETURN

echo $LOG_PREFIX"Added iptables rule for assignment upload tc class $ROOT$ID to ipset $IPSET"

#$IPTABLES -t mangle -A POSTROUTING -o $INPUT_INTERFACE -m set --set $IPSET dst -j CLASSIFY --set-class $ROOT$ID

$IPTABLES -t mangle -A POSTROUTING -m set --set $IPSET dst -j CLASSIFY --set-class $ROOT$ID

$IPTABLES -t mangle -A POSTROUTING -m set --set $IPSET dst -j RETURN

echo $LOG_PREFIX"Added iptables rule for assignment download tc class $ROOT$ID to ipset $IPSET"

awk '{ if ($1=='$ID') print $2 }' $PATH_QOS_IP_ADDRESSES | while read IP_ADDRESS

do

ipset -A $IPSET $IP_ADDRESS

echo $LOG_PREFIX"Added ip address $IP_ADDRESS to ipset $IPSET"

done

echo "$ID $IPSET" >> $PATH_QOS_IPSETS

fi

LNR=$(($LNR+1))

done

echo $LOG_PREFIX"Sleeping"

sleep $DELAY

}

update()

{

stop

start

}

case "$1" in

update)

while (true);

do

update

done

;;

stop)

stop

;;

esac