[testsuite] ipt_multiport testcase

[Samuel Jean]

Hi Rusty,

Like the subject suggests, here's the ipt_multiport testcase.
This is your fourth christmas gift. This one was very expensive
so I hope you will like it.

Cheers,

--peejix

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# the three options should work (expecting: success)
# Default maximum ports number supported by the library is 15
iptables -I INPUT -p tcp -m multiport --source-ports 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
iptables -D INPUT -p tcp -m multiport --source-ports 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
iptables -I INPUT -p tcp -m multiport --destination-ports 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
iptables -D INPUT -p tcp -m multiport --destination-ports 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
iptables -I INPUT -p tcp -m multiport --ports 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
iptables -D INPUT -p tcp -m multiport --ports 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15

# Ensure UDP works too.. (expecting: success)
# One test should be sufficient
iptables -I INPUT -p udp -m multiport --source-ports 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
iptables -D INPUT -p udp -m multiport --source-ports 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15

# Multiport doesn't support invert nor complains about it. (expecting: answer from rusty)
# Do we still test it Rusty ?
iptables -I INPUT -p tcp -m multiport ! --source-ports 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
iptables -D INPUT -p tcp -m multiport ! --source-ports 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
iptables -I INPUT -p tcp -m multiport ! --destination-ports 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
iptables -D INPUT -p tcp -m multiport ! --destination-ports 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
iptables -I INPUT -p tcp -m multiport ! --ports 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
iptables -D INPUT -p tcp -m multiport ! --ports 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15

# Multiport doesn't support multiple options. (expecting: failure)
expect iptables iptables: command failed
iptables -I INPUT -p tcp -m multiport --sports 1 --dports 2 --ports 3
expect iptables iptables: command failed
iptables -I INPUT -p tcp -m multiport --sports 1 --dports 2

# Can we override ourself ? (expecting: failure)
expect iptables iptables: command failed
iptables -I INPUT -p tcp -m multiport --sports 1 --sports 1
expect iptables iptables: command failed
iptables -I INPUT -p tcp -m multiport --dports 2 --dports 2
expect iptables iptables: command failed
iptables -I INPUT -p tcp -m multiport --ports 3 --ports 3

# Reject ICMP and ALL (expecting: failure)
expect iptables iptables: command failed
iptables -I INPUT -p icmp -m multiport --ports 3
expect iptables iptables: command failed
iptables -I INPUT -m multiport --ports 3
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#! /bin/sh

# For both TCP and UDP, test five ports against the three options
# where port 1 and port 5 are always the excluded twin (NF_ACCEPT'ed).
FLAG=" SYN"
for proto in 6 17; do
	if [[ $proto == 17 ]]; then
			 unset FLAG
	fi
	for arg in sports dports ports
	do
		echo iptables -I INPUT -p $proto -m multiport --${arg} 2,3,4 -j DROP
		for port in 1 2 3 4 5
		do
			case $port in
				[1,5]) 	VERDICT=NF_ACCEPT ;;
				*) 		VERDICT=NF_DROP	;;
			esac

			case $arg in
				sports)	PORTS="${port} 1" ;;
				dports)	PORTS="1 ${port}"	;;
				ports)	PORTS="${port} ${port}"	;;
			esac
				
				echo expect gen_ip hook:NF_IP_LOCAL_IN iptable_filter $VERDICT \
				{IPv4 192.168.0.2 192.168.0.1 0 $proto ${PORTS}$FLAG}
				echo gen_ip IF=eth0 192.168.0.2 192.168.0.1 0 $proto $PORTS $FLAG
		done
		echo iptables -D INPUT -p $proto -m multiport --${arg} 2,3,4 -j DROP
	done
done > $TMPFILE

$NFSIM $NFSIM_ARGS < $TMPFILE