419 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Bash
		
	
	
	
			
		
		
	
	
			419 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Bash
		
	
	
	
#!/bin/sh
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################################################################################
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##                                                                            ##
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## Copyright (c) International Business Machines  Corp., 2005                 ##
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##                                                                            ##
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## This program is free software;  you can redistribute it and#or modify      ##
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## it under the terms of the GNU General Public License as published by       ##
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## the Free Software Foundation; either version 2 of the License, or          ##
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## (at your option) any later version.                                        ##
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##                                                                            ##
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## This program is distributed in the hope that it will be useful, but        ##
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## WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ##
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## or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License   ##
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## for more details.                                                          ##
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##                                                                            ##
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## You should have received a copy of the GNU General Public License          ##
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## along with this program;  if not, write to the Free Software               ##
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## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA    ##
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##                                                                            ##
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##                                                                            ##
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################################################################################
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#
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# File:
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#   udp4-multi-diffip01
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#
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# Description:
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#   Verify that the kernel is not crashed with receiving and sending UDP
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#   datagram at different IP address(alias) with the following conditions
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#     - The version of IP is IPv4
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#     - IPsec is not used
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#
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#   *) This script may be read by the other test case
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#
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# Setup:
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#   See testcases/network/stress/README
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#
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# Author:
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#   Mitsuru Chinen <mitch@jp.ibm.com>
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#
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# History:
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#	Oct 19 2005 - Created (Mitsuru Chinen)
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#
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#-----------------------------------------------------------------------
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# Uncomment line below for debug output.
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#trace_logic=${trace_logic:-"set -x"}
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$trace_logic
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# The test case ID, the test case count and the total number of test case
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TCID=${TCID:-udp4-multi-diffip01}
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TST_TOTAL=1
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TST_COUNT=1
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export TCID
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export TST_COUNT
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export TST_TOTAL
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# Test description
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tst_resm TINFO "Verify that the kernel is not crashed with receiving and sending UDP datagram at the different IP addresses(aliases) with the following conditions"
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# Make sure the value of LTPROOT
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LTPROOT=${LTPROOT:-`(cd ../../../../.. ; pwd)`}
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export LTPROOT
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# Check the environmanet variable
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. check_envval || exit $TST_TOTAL
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# Dulation of the test [sec]
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NS_DURATION=${NS_DURATION:-3600}      # 1 hour
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# The number of IP address (alias)
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IP_TOTAL_FOR_TCPIP=${IP_TOTAL_FOR_TCPIP:-100}
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#The number of the test link where tests run
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LINK_NUM=${LINK_NUM:-0}
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# The version of IP
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IP_VER=${IP_VER:-4}
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# true, if ipsec is used
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DO_IPSEC=${DO_IPSEC:-false}
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# The value of SPI
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SPI=${SPI:-1000}
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# IPsec Protocol ( ah / esp / ipcomp )
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IPSEC_PROTO=${IPSEC_PROTO:-ah}
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# IPsec Mode ( transport / tunnel )
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IPSEC_MODE=${IPSEC_MODE:-transport}
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#-----------------------------------------------------------------------
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#
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# Function: do_cleanup
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#
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# Description:
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#   Recover the system configuration
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#
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#-----------------------------------------------------------------------
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do_cleanup()
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{
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    # Kill the udp traffic server
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    killall_udp_traffic
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    # Unset SAD/SPD
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    output_ipsec_conf flush | setkey -c >/dev/null 2>&1
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    $LTP_RSH $RHOST ${LTPROOT}/'testcases/bin/output_ipsec_conf flush | PATH=/sbin:/usr/sbin:$PATH setkey -c' >/dev/null 2>&1
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    # Clean up each interface
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    initialize_if lhost ${LINK_NUM}
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    initialize_if rhost ${LINK_NUM}
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}
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#-----------------------------------------------------------------------
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#
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# Setup
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#
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# Unset the maximum number of processes
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ulimit -u unlimited
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# Output the informaion
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tst_resm TINFO "- Test duration is $NS_DURATION [sec]"
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tst_resm TINFO "- Target number of the connection is $IP_TOTAL_FOR_TCPIP"
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tst_resm TINFO "- Version of IP is IPv${IP_VER}"
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if $DO_IPSEC ; then
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    message=`check_setkey`
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    if [ $? -ne 0 ]; then
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	tst_resm TBROK "$message"
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	exit 1
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    fi
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    case $IPSEC_PROTO in
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	ah)
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	tst_resm TINFO "- IPsec [ AH / $IPSEC_MODE ]"
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	;;
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	esp)
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	tst_resm TINFO "- IPsec [ ESP / $IPSEC_MODE ]"
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	;;
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	ipcomp)
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	tst_resm TINFO "- IPcomp [ $IPSEC_MODE ]"
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	;;
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    esac
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fi
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# name of interface of the local/remote host
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lhost_ifname=`get_ifname lhost $LINK_NUM`
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if [ $? -ne 0 ]; then
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    tst_resm TBROK "Failed to get the interface name at the local host"
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    exit $TST_TOTAL
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fi
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rhost_ifname=`get_ifname rhost $LINK_NUM`
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if [ $? -ne 0 ]; then
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    tst_resm TBROK "Failed to get the interface name at the remote host"
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    exit $TST_TOTAL
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fi
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# Initialize the system configuration
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do_cleanup
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# Call do_cleanup function before exit
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trap do_cleanup 0
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# Loop to assign IP addresses
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ipaddr_pair_num=0
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while [ $ipaddr_pair_num -lt $IP_TOTAL_FOR_TCPIP ]; do
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    # Add new IP addresses
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    x=`expr $ipaddr_pair_num \/ 255 % 255`
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    y=`expr $ipaddr_pair_num % 255`
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    if [ $x -ge 255 ]; then
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	tst_resm TINFO "This script cannot add more than $ipaddr_pair_num addresses"
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	break
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    fi
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    case $IP_VER in
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	4)
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	network_part="10.${x}.${y}"
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	network_broadcast=${network_part}.255
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	network_mask=24
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	lhost_addr="${network_part}.2"
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	rhost_addr="${network_part}.1"
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	# Set IPv4 addresses to the interfaces
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	ip addr add ${lhost_addr}/${network_mask} broadcast $network_broadcast dev $lhost_ifname
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	### delete before setting
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	if [ $? -eq 2 ]; then
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	ip addr del ${lhost_addr}/${network_mask} broadcast $network_broadcast dev $lhost_ifname  2>&1
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	ip addr add ${lhost_addr}/${network_mask} broadcast $network_broadcast dev $lhost_ifname
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	fi
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	if [ $? -ne 0 ]; then
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	    if [ $ipaddr_pair_num -eq 0 ]; then
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		tst_resm TBROK "Failed to add any IP address at the local"
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		exit 1
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	    else
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		tst_resm TINFO "The number of IP address at the local host seems to reach the maximum. The number is $ipaddr_pair_num"
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	    fi
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	    break
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	fi
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	ret=`$LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr add ${rhost_addr}/${network_mask} broadcast $network_broadcast dev $rhost_ifname' ; echo $?'`
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	if [ $ret -eq 2 ]; then
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	$LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr del ${rhost_addr}/${network_mask} broadcast $network_broadcast dev $rhost_ifname
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	ret=`$LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr add ${rhost_addr}/${network_mask} broadcast $network_broadcast dev $rhost_ifname' ; echo $?'`
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	fi
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	if [ $ret -ne 0 ]; then
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	    if [ $ipaddr_pair_num -eq 0 ]; then
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		tst_resm TBROK "Failed to add any IP address at the remote"
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		exit 1
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	    else
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		tst_resm TINFO "The number of IP address at the remote host seems to reach the maximum. The number is $ipaddr_pair_num"
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	    fi
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	    break
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	fi
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	;;
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	6)
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	hex_x=`printf %x $x`
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	hex_y=`printf %x $y`
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	network_part="fd00:1:${hex_x}:${hex_y}"
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	network_mask=64
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	lhost_addr="${network_part}::2"
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	rhost_addr="${network_part}::1"
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	# Set IPv6 addresses to the interfaces
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	ip addr add ${lhost_addr}/${network_mask} dev $lhost_ifname
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	if [ $ret -eq 2 ]; then
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	ip addr del ${lhost_addr}/${network_mask} dev $lhost_ifname  2>&1
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	ip addr add ${lhost_addr}/${network_mask} dev $lhost_ifname
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	fi
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	if [ $? -ne 0 ]; then
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	    if [ $ipaddr_pair_num -eq 0 ]; then
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		tst_resm TBROK "Failed to add any IP address at the local"
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		exit 1
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	    else
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		tst_resm TINFO "The number of IP address at the local host seems to reach the maximum. The number is $ipaddr_pair_num"
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	    fi
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	    break
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	fi
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	ret=`$LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr add ${rhost_addr}/${network_mask} dev $rhost_ifname' ; echo $?'`
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	if [ $ret -eq 2 ]; then
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	LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr del ${rhost_addr}/${network_mask} dev $rhost_ifname
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	ret=`$LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr add ${rhost_addr}/${network_mask} dev $rhost_ifname' ; echo $?'`
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	fi
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	if [ $ret -ne 0 ]; then
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	    if [ $ipaddr_pair_num -eq 0 ]; then
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		tst_resm TBROK "Failed to add any IP address at the remote"
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		exit 1
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	    else
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		tst_resm TINFO "The number of IP address at the remote host seems to reach the maximum. The number is $ipaddr_pair_num"
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	    fi
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	    break
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	fi
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	;;
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    esac
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    # Set SAD/SPD
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    if $DO_IPSEC ; then
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	ipsec_log=`mktemp -p $TMPDIR`
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	output_ipsec_conf src \
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	    $IPSEC_PROTO $IPSEC_MODE $SPI $lhost_addr $rhost_addr \
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		| setkey -c 2>&1 | tee $ipsec_log
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	if [ $? -ne 0 -o -s $ipsec_log ]; then
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	    rm -f $ipsec_log
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	    if [ $ipaddr_pair_num -eq 0 ]; then
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		tst_resm TBROK "Failed to add any SAD/SPD"
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		exit 1
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	    else
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		tst_resm TINFO "The number of SAD/SPD seems to reach the maximum at the local host."
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	    fi
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	    break
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	fi
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	rm -f $ipsec_log
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	$LTP_RSH $RHOST ${LTPROOT}/testcases/bin/output_ipsec_conf dst $IPSEC_PROTO $IPSEC_MODE $SPI $lhost_addr $rhost_addr' | PATH=/sbin:/usr/sbin:$PATH setkey -c' 2>&1 | tee $ipsec_log
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	if [ $? -ne 0 -o -s $ipsec_log ]; then
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	    rm -f $ipsec_log
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	    if [ $ipaddr_pair_num -eq 0 ]; then
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		tst_resm TBROK "Failed to add any SAD/SPD"
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		exit 1
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	    else
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		tst_resm TINFO "The number of SAD/SPD seems to reach the maximum at the remote host."
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	    fi
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	    break
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	fi
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	rm -f $ipsec_log
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    fi
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    # Check the connectivity
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    case $IP_VER in
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	4)
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	ret=`$LTP_RSH $RHOST ${LTPROOT}/testcases/bin/check_icmpv4_connectivity $rhost_ifname $lhost_addr' ; echo $?'`
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	if [ $ret -ne 0 ]; then
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	    tst_resm TBROK "No IPv4 connectivity among ${ipaddr_pair_num}th IP a
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	    ddress pair"
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	    exit 1
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	fi
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	;;
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	6)
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	ret=`$LTP_RSH $RHOST ${LTPROOT}/testcases/bin/check_icmpv6_connectivity $rhost_ifname $lhost_addr' ; echo $?'`
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	if [ $ret -ne 0 ]; then
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	    tst_resm TBROK "No IPv6 connectivity among ${ipaddr_pair_num}th IP a
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	    ddress pair"
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	    exit 1
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	fi
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	;;
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    esac
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    if [ $? -ne 0 ]; then
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	tst_resm TFAIL "There is no connectivity."
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	exit 1
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    fi
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    ipaddr_pair_num=`expr $ipaddr_pair_num + 1`
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done
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#-----------------------------------------------------------------------
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#
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# Main
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#
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#
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# Find the available consecutive ports
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server_port=`find_portbundle udp 1025 1`
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if [ $? -ne 0 ]; then
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    tst_resm TBROK "No port is available."
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    exit 1
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fi
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# Run a UDP traffic server
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info_file=`mktemp -p $TMPDIR`
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ns-udpserver -b -f $IP_VER -p $server_port -o $info_file
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if [ $? -ne 0 ]; then
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    tst_resm TFAIL "Failed to run a UDP traffic server"
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    exit 1
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fi
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# Collect the information of the server
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while true ; do
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    if [ -s $info_file ]; then
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	break
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    fi
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done
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server_pid=`grep PID: $info_file | cut -f 2 -d ' '`
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rm -f $info_file
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# Make connections
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connection_num=0
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while [ $connection_num -lt $ipaddr_pair_num ]; do
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    # IP addresses
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    x=`expr $connection_num \/ 255 % 255`
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    y=`expr $connection_num % 255`
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    case $IP_VER in
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	4)
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	lhost_addr="10.${x}.${y}.2"
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	;;
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	6)
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	hex_x=`printf %x $x`
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	hex_y=`printf %x $y`
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	lhost_addr="fd00:1:${hex_x}:${hex_y}::2"
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	;;
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    esac
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    # Run a client
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    ret=`$LTP_RSH $RHOST ${LTPROOT}/testcases/bin/ns-udpclient -b -f $IP_VER -S $lhost_addr -p $server_port' ; echo $?'`
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    if [ $ret -ne 0 ]; then
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	if [ $connection_num -eq 0 ]; then
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	    tst_resm TFAIL "Failed to run any client"
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	    exit 1
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	else
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	    tst_resm TINFO "$connection_num seems the maximum number of the client"
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	fi
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	break
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    fi
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    connection_num=`expr $connection_num + 1`
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done
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# Watch the UDP traffic server
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start_epoc=`date +%s`
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while true ; do
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    current_epoc=`date +%s`
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    elapse_epoc=`expr $current_epoc - $start_epoc`
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    if [ $elapse_epoc -ge $NS_DURATION ]; then
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	break
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    else
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	ps auxw | fgrep ns-udpserver | fgrep -l $server_pid >/dev/null 2>&1
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	if [ $? -ne 0 ]; then
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	    tst_resm TFAIL "udp traffic server is dead in $elapse_epoc [sec]"
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	    exit 1
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	fi
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    fi
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    sleep 1
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done
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#-----------------------------------------------------------------------
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#
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# Clean up
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#
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tst_resm TPASS "Test is finished successfully."
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exit 0
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