testcases/network/stress/broken_ip/broken_ip4-protcol

#!/bin/sh

################################################################################
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## Copyright (c) International Business Machines  Corp., 2006                 ##
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## This program is free software;  you can redistribute it and#or modify      ##
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## or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License   ##
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################################################################################
#
# File:
#   broken_ip4-protocol
#
# Description:
#   Verify that the kernel is not crashed with receiving a large number of
#   IP packets that have wrong value in the protocol field
#
# Setup:
#   See ltp-yyyymmdd/testcases/network/stress/README
#
# Author:
#   Mitsuru Chinen <mitch@jp.ibm.com>
#
# History:
#	Mar 08 2006 - Created (Mitsuru Chinen)
#
#-----------------------------------------------------------------------
# Uncomment line below for debug output.
#trace_logic=${trace_logic:-"set -x"}
$trace_logic

# The test case ID, the test case count and the total number of test case
TCID=${TCID:-broken_ip4-protocol01}
TST_TOTAL=1
TST_COUNT=1
export TCID
export TST_COUNT
export TST_TOTAL

# Test description
tst_resm TINFO "Verify that the kernel is not crashed with receiving a large number of IPv4 packets that have wrong value in the protocol field"

# Make sure the value of LTPROOT
LTPROOT=${LTPROOT:-`(cd ../../../.. ; pwd)`}
export LTPROOT

# Check the environmanet variable
. check_envval || exit $TST_TOTAL

# Dulation of the test [sec]
NS_DURATION=${NS_DURATION:-3600}      # 1 hour

# The number of the test link where tests run
LINK_NUM=${LINK_NUM:-0}


#-----------------------------------------------------------------------
#
# Function: do_cleanup
#
# Description:
#   Recover the system configuration
#
#-----------------------------------------------------------------------
do_cleanup()
{
    # Clean up each interface
    initialize_if lhost ${LINK_NUM}
    initialize_if rhost ${LINK_NUM}
}


#-----------------------------------------------------------------------
#
# Setup
#

# Output the informaion
tst_resm TINFO "- Test duration is $NS_DURATION [sec]"

# Get the MAC address of the interface at the local host
field=`expr $LINK_NUM + 1` 
lhost_hwaddr=`echo $LHOST_HWADDRS | cut -d ' ' -f $field`
if [ x${lhost_hwaddr} = x ]; then
    tst_resm TBROK "Failed to get the MAC address name at the local host"
    exit $TST_TOTAL
fi

# Get the name of the interface at the remote host
rhost_ifname=`get_ifname rhost $LINK_NUM`
if [ $? -ne 0 ]; then
    tst_resm TBROK "Failed to get the interface name at the remote host"
    exit $TST_TOTAL
fi

# Initialize the system configuration
do_cleanup

# Call do_cleanup function before exit
trap do_cleanup 0

# Network portion of the IPv4 address
network_part=${IPV4_NETWORK:-"10.0.0"}

# Netmask of the IPv4 network
network_mask=24

# Host portion of the IPv4 address
lhost_host_part=${LHOST_IPV4_HOST:-"2"}     # local host
rhost_host_part=${RHOST_IPV4_HOST:-"1"}     # remote host

# Set IPv4 addresses to the interfaces
set_ipv4addr lhost $LINK_NUM $network_part $lhost_host_part
if [ $? -ne 0 ]; then
    tst_resm TBROK "Failed to add any IP address at the local host"
    exit 1
fi

set_ipv4addr rhost $LINK_NUM $network_part $rhost_host_part
if [ $? -ne 0 ]; then
    tst_resm TBROK "Failed to add any IP address at the remote host"
    exit 1
fi

# IPv4 address of the local/remote host
lhost_addr="${network_part}.${lhost_host_part}"
rhost_addr="${network_part}.${rhost_host_part}"

# Make sure the connectvity
ret=`$LTP_RSH $RHOST ${LTPROOT}/testcases/bin/check_icmpv4_connectivity $rhost_ifname $lhost_addr' ; echo $?'`
if [ $ret -ne 0 ]; then
    tst_resm TBROK "There is no IPv4 connectivity."
    exit 1
fi


#-----------------------------------------------------------------------
#
# Main
#
#

# Run a client
$LTP_RSH $RHOST "${LTPROOT}/testcases/bin/ns-icmpv4_sender -I $rhost_ifname -S $rhost_addr -M $lhost_hwaddr -D $lhost_addr -s 56 -t $NS_DURATION -p"

#-----------------------------------------------------------------------
#
# Clean up
#

tst_resm TPASS "Test is finished successfully."
exit 0