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114 lines
2.0 KiB
Bash
114 lines
2.0 KiB
Bash
#!/usr/bin/env bash
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# netusage.sh -- create iptable rules to gather network stats, running within DomR
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#
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usage() {
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printf "Usage: %s -[c|g|r] [-[a|d] <public interface>]\n" $(basename $0) >&2
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}
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create_usage_rules () {
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iptables -N NETWORK_STATS > /dev/null
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iptables -I FORWARD -j NETWORK_STATS > /dev/null
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iptables -I INPUT -j NETWORK_STATS > /dev/null
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iptables -I OUTPUT -j NETWORK_STATS > /dev/null
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iptables -A NETWORK_STATS -i eth0 -o eth2 > /dev/null
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iptables -A NETWORK_STATS -i eth2 -o eth0 > /dev/null
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iptables -A NETWORK_STATS -o eth2 ! -i eth0 -p tcp > /dev/null
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iptables -A NETWORK_STATS -i eth2 ! -o eth0 -p tcp > /dev/null
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return $?
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}
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add_public_interface () {
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local pubIf=$1
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iptables -A NETWORK_STATS -i eth0 -o $pubIf > /dev/null
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iptables -A NETWORK_STATS -i $pubIf -o eth0 > /dev/null
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iptables -A NETWORK_STATS -o $pubIf ! -i eth0 -p tcp > /dev/null
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iptables -A NETWORK_STATS -i $pubIf ! -o eth0 -p tcp > /dev/null
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return $?
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}
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delete_public_interface () {
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local pubIf=$1
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echo $pubIf >> /root/removedVifs
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return $?
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}
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get_usage () {
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iptables -L NETWORK_STATS -n -v -x | awk '$1 ~ /^[0-9]+$/ { printf "%s:", $2}'; /root/clearUsageRules.sh > /dev/null
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if [ $? -gt 0 -a $? -ne 2 ]
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then
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printf $?
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return 1
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fi
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}
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reset_usage () {
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iptables -Z NETWORK_STATS > /dev/null
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if [ $? -gt 0 -a $? -ne 2 ]
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then
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return 1
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fi
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}
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#set -x
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cflag=
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gflag=
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rflag=
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iflag=
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aflag=
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dflag=
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while getopts 'cgra:d:' OPTION
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do
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case $OPTION in
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c) cflag=1
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;;
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g) gflag=1
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;;
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r) rflag=1
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;;
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a) aflag=1
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publicIf="$OPTARG"
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;;
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d) dflag=1
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publicIf="$OPTARG"
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;;
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?) usage
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exit 2
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;;
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esac
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done
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if [ "$cflag" == "1" ]
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then
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create_usage_rules
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exit $?
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fi
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if [ "$gflag" == "1" ]
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then
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get_usage
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exit $?
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fi
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if [ "$rflag" == "1" ]
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then
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reset_usage
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exit $?
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fi
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if [ "$aflag" == "1" ]
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then
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add_public_interface $publicIf
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exit $?
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fi
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if [ "$dflag" == "1" ]
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then
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delete_public_interface $publicIf
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exit $?
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fi
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exit 0
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