[Ltp-cvs] ltp/testcases/network/stress/ssh 00_Descriptions.txt,NONE,1.1 Makefile,NONE,1.1 ssh-stress01-rmt,NONE,1.1 ssh-stress02-rmt,NONE,1.1 ssh-stress03-rmt,NONE,1.1 ssh4-stress,NONE,1.1 ssh6-stress,NONE,1.1

[Martin R. <mr...@us...>]

Update of /cvsroot/ltp/ltp/testcases/network/stress/ssh
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv1875/ssh

Added Files:
	00_Descriptions.txt Makefile ssh-stress01-rmt ssh-stress02-rmt 
	ssh-stress03-rmt ssh4-stress ssh6-stress 
Log Message:
Network stress testcases

--- NEW FILE: ssh6-stress ---
#!/bin/sh

################################################################################
##                                                                            ##
## Copyright (c) International Business Machines  Corp., 2005                 ##
##                                                                            ##
## This program is free software;  you can redistribute it and#or modify      ##
## it under the terms of the GNU General Public License as published by       ##
## the Free Software Foundation; either version 2 of the License, or          ##
## (at your option) any later version.                                        ##
##                                                                            ##
## This program is distributed in the hope that it will be useful, but        ##
## WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ##
## or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License   ##
## for more details.                                                          ##
##                                                                            ##
## You should have received a copy of the GNU General Public License          ##
## along with this program;  if not, write to the Free Software               ##
## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA    ##
##                                                                            ##
##                                                                            ##
################################################################################
#
# File:
#   ssh6-stress
#
# Description:
#   This script is the stress test for ssh over IPv6
#
# Setup:
#   See ltp-yyyymmdd/testcases/network/stress/README
#
# Author:
#   Mitsuru Chinen <mi...@jp...>
#
# History:
#	Oct 19 2005 - Created (Mitsuru Chinen)
#
#-----------------------------------------------------------------------
# Uncomment line below for debug output.
#trace_logic=${trace_logic:-"set -x"}
$trace_logic

# The version of IP
IP_VER=6

source ssh4-stress

--- NEW FILE: 00_Descriptions.txt ---
ssh4-stress01
	Verify the ssh connectivity over IPv4 is not broken after creating
	many ssh sessions
ssh4-stress02
	Verify the ssh connectivity over IPv4 is not broken after logged
	in/out by many clients asynchronously for a long time

ssh4-stress03 
	Verify the ssh connectivity over IPv4 is not broken after forwarding
	TCP traffic for a long time

ssh6-stress01
	Verify the ssh connectivity over IPv6 is not broken after creating
	many ssh sessions
ssh6-stress02
	Verify the ssh connectivity over IPv6 is not broken after logged
	in/out by many clients asynchronously for a long time

ssh6-stress03 
	Verify the ssh connectivity over IPv6 is not broken after forwarding
	TCP traffic for a long time

--- NEW FILE: ssh-stress01-rmt ---
#!/bin/sh

################################################################################
##                                                                            ##
## Copyright (c) International Business Machines  Corp., 2005                 ##
##                                                                            ##
## This program is free software;  you can redistribute it and#or modify      ##
## it under the terms of the GNU General Public License as published by       ##
## the Free Software Foundation; either version 2 of the License, or          ##
## (at your option) any later version.                                        ##
##                                                                            ##
## This program is distributed in the hope that it will be useful, but        ##
## WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ##
## or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License   ##
## for more details.                                                          ##
##                                                                            ##
## You should have received a copy of the GNU General Public License          ##
## along with this program;  if not, write to the Free Software               ##
## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA    ##
##                                                                            ##
##                                                                            ##
################################################################################
#
# File:
#   ssh-stress01-rmt
#
# Description:
#   This is the remote script for ssh-ipv${IP_VER}-stress01
#
# Author:
#   Mitsuru Chinen <mi...@jp...>
#
# Arguments:
#   $1: version of IP
#   $2: IP address log into
#   $3: ssh_config file
#   $4: quantity of connection
#
# Exit Value:
#    0: Success
#   >0: Fail
#
# History:
#	Oct 19 2005 - Created (Mitsuru Chinen)
#
#-----------------------------------------------------------------------
# Uncomment line below for debug output.
#trace_logic=${trace_logic:-"set -x"}
$trace_logic

# Check the arguments
if [ $# -ne 4 ]; then
    echo "Usage: $0 IP_version server_addr config_dir connect_quantity"
    exit 1
fi
ip_ver="$1"
server_ipaddr="$2"
ssh_config="$3"
connect_quontity="$4"

# Unset the maximum number of processes
ulimit -u unlimited

# Specify the option of ssh accoring to the version of IP
case $ip_ver in
    4)
    ver_opt="-4"
    ;;
    6)
    ver_opt="-6"
    ;;
    *)
    echo "$ver_opt is unknown IP version"
    exit 1
    ;;
esac
    
# Check the connectivity first
if [ ! -f $ssh_config ]; then
    echo "$ssh_config is something wrong."
    exit 1
fi
ssh $ver_opt -F $ssh_config $server_ipaddr "true </dev/null >/dev/null 2>&1" >/dev/null 2>&1
if [ $? -ne 0 ]; then
    echo "Failed to connect $server_ipaddr"
    exit 1
fi

#
# Make ssh connections
#
num=0
while [ $num -lt $connect_quontity ]; do
    ssh $ver_opt -f -N -F $ssh_config $server_ipaddr
    if [ $? -ne 0 ]; then
	echo "$num seems the maximun number of ssh connection." >&2
	break
    fi
    num=`expr $num + 1`
done

# Disconnect all ssh connection
for ssh_pid in `ps auxw | fgrep -v grep | grep "ssh[[:blank:]].*${ssh_config}" | awk '{print $2}'` ; do
    kill $ssh_pid 
done

# Check the connectivity again
ssh $ver_opt -F $ssh_config $server_ipaddr "true </dev/null >/dev/null 2>&1" >/dev/null 2>&1
if [ $? -ne 0 ]; then
    echo "Failed to connect $server_ipaddr. ssh connectivity is lost."
    exit 1
fi

exit 0

--- NEW FILE: Makefile ---
SCRIPTS = ssh4-stress ssh6-stress \
	  ssh-stress01-rmt ssh-stress02-rmt ssh-stress03-rmt

all:
	@chmod +x $(SCRIPTS)

install:
	@set -e; for i in $(SCRIPTS); do ln -f $$i ../../../bin ; done

clean:
	@set -e; for i in $(SCRIPTS); do rm -f ../../../bin/$$i ; done

--- NEW FILE: ssh-stress02-rmt ---
#!/bin/sh

################################################################################
##                                                                            ##
## Copyright (c) International Business Machines  Corp., 2005                 ##
##                                                                            ##
## This program is free software;  you can redistribute it and#or modify      ##
## it under the terms of the GNU General Public License as published by       ##
## the Free Software Foundation; either version 2 of the License, or          ##
## (at your option) any later version.                                        ##
##                                                                            ##
## This program is distributed in the hope that it will be useful, but        ##
## WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ##
## or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License   ##
## for more details.                                                          ##
##                                                                            ##
## You should have received a copy of the GNU General Public License          ##
## along with this program;  if not, write to the Free Software               ##
## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA    ##
##                                                                            ##
##                                                                            ##
################################################################################
#
# File:
#   ssh-stress02-rmt
#
# Description:
#   This is the remote script for ssh-ipv${IP_VER}-stress02
#
# Author:
#   Mitsuru Chinen <mi...@jp...>
#
# Arguments:
#   $1: version of IP
#   $2: IP address log into
#   $3: ssh_config file
#   $4: quantity of connection
#   $5: duration
#
# Exit Value:
#    0: Success
#   >0: Fail
#
# History:
#	Oct 19 2005 - Created (Mitsuru Chinen)
#
#-----------------------------------------------------------------------
# Uncomment line below for debug output.
#trace_logic=${trace_logic:-"set -x"}
$trace_logic

# Check the arguments
if [ $# -ne 5 ]; then
    echo "Usage: $0 IP_version server_addr config_dir connect_quantity duration"
    exit 1
fi
ip_ver="$1"
server_ipaddr="$2"
ssh_config="$3"
connect_quontity="$4"
duration="$5"

# Unset the maximum number of processes
ulimit -u unlimited

# Specify the option of ssh accoring to the version of IP
case $ip_ver in
    4)
    ver_opt="-4"
    ;;
    6)
    ver_opt="-6"
    ;;
    *)
    echo "$ver_opt is unknown IP version"
    exit 1
    ;;
esac
    
# Check the connectivity first
if [ ! -f $ssh_config ]; then
    echo "$ssh_config is something wrong."
    exit 1
fi
ssh $ver_opt -F $ssh_config $server_ipaddr "true </dev/null >/dev/null 2>&1" >/dev/null 2>&1
if [ $? -ne 0 ]; then
    echo "Failed to connect $server_ipaddr"
    exit 1
fi

# 
# Mail loop
#
start_epoc=`date +%s`
while true ; do
    # Exit when the specified seconds have passed.
    current_epoc=`date +%s`
    elapse_epoc=`expr $current_epoc - $start_epoc`
    if [ $elapse_epoc -ge $duration ]; then
	break
    fi

    # Do not make ssh connection over the specified quontity
    ssh_num=`jobs | wc -l`
    if [ $ssh_num -ge $connect_quontity ]; then
	sleep 1
	continue;
    fi

    # specified wait time and login time
    wait_sec=`expr $RANDOM \* 3 / 32768`
    login_sec=`expr $RANDOM \* 10 / 32768`

    # Login to the server
    (sleep $wait_sec ; ssh $ver_opt -F $ssh_config -l root $server_ipaddr "sleep $login_sec </dev/null >/dev/null 2>&1") >/dev/null 2>&1  &
done

# wait for the finish of all process
wait

# Check the connectivity again
ssh $ver_opt -F $ssh_config $server_ipaddr "true </dev/null >/dev/null 2>&1" >/dev/null 2>&1
if [ $? -ne 0 ]; then
    echo "Failed to connect $server_ipaddr. ssh connectivity is lost."
    exit 1
fi

exit 0

--- NEW FILE: ssh4-stress ---
#!/bin/sh

################################################################################
##                                                                            ##
## Copyright (c) International Business Machines  Corp., 2005                 ##
##                                                                            ##
## This program is free software;  you can redistribute it and#or modify      ##
## it under the terms of the GNU General Public License as published by       ##
## the Free Software Foundation; either version 2 of the License, or          ##
## (at your option) any later version.                                        ##
##                                                                            ##
## This program is distributed in the hope that it will be useful, but        ##
## WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ##
## or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License   ##
## for more details.                                                          ##
##                                                                            ##
## You should have received a copy of the GNU General Public License          ##
## along with this program;  if not, write to the Free Software               ##
## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA    ##
##                                                                            ##
##                                                                            ##
################################################################################
#
# File:
#   ssh4-stress
#
# Description:
#   Stress test for SSH over IPv4
#   test01 - Verify the ssh server or the kernel is not down after a large
#            number of ssh sessions are created.
#   test02 - Verify the ssh server or the kernel is not down after a large
#            number of clients log in/out asynchronously for a long time.
#   test03 - Verify the ssh server or the kernek is not down after a TCP
#            traffic is forwarded via ssh port-forwarding for a long time
#
# Author:
#   Mitsuru Chinen <mi...@jp...>
#
# History:
#	Oct 19 2005 - Created (Mitsuru Chinen)
#
#-----------------------------------------------------------------------
# Uncomment line below for debug output.
#trace_logic=${trace_logic:-"set -x"}
$trace_logic

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

# Total number of the test case
TST_TOTAL=3
export TST_TOTAL

# The version of IP
IP_VER=${IP_VER:-4}

# Default of the test case ID and the test case count
TCID=ssh${IP_VER}-stress
TST_COUNT=0
export TCID
export TST_COUNT

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

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

# Quantity of the connection for multi connection test
CONNECTION_TOTAL=${CONNECTION_TOTAL:-4000}

# Temporary direcotry to store sshd setting or ssh key
# Note: ssh doesn't work when those directory are under /tmp.
SSH_TMPDIR_PARENT="/root"

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

# Network portion of the IPv4 address
IPV4_NETWORK="10.0.0"

# Host portion of the IPv4 address on the local host
LHOST_IPV4_HOST="2"

# Host portion of the IPv4 address on the remote host
RHOST_IPV4_HOST="1"

# Network portion of the IPv6 address
IPV6_NETWORK="fd00:1:1:1"

# Host portion of the IPv6 address of the local host
LHOST_IPV6_HOST=":2"

# Host portion of the IPv6 address of the remote host
RHOST_IPV6_HOST=":1"

#-----------------------------------------------------------------------
#
# Function:
#   do_cleanup
#
# Description:
#   Clean up after running ssh stress test 
#
#-----------------------------------------------------------------------
do_cleanup()
{
    # Stop the ssh daemon
    kill `cat ${sshd_dir}/sshd.pid`

    # Delete the dictory that stores configuration files 
    rm -rf $sshd_dir
    $LTP_RSH $RHOST "rm -rf $rhost_ssh_dir"

    # Delete the temporary files
    rm -f $message_file
    
    # Initialize the interface
    initialize_if lhost ${LINK_NUM}
    initialize_if rhost ${LINK_NUM}

    # Kill the tcp traffic server
    killall_tcp_traffic
}


#-----------------------------------------------------------------------
#
# Function:
#   do_setup
#
# Description:
#   Setup for the ssh stress tests 
#   - Assign IP address to the interfaces belong to the specified Link 
#   - Run a sshd daemon for testing 
#   - Create keys for password-less login 
#
# Set Values:
#   lhost_addr:   IP address of the local host
#   rhost_addr:   IP address of the remote host
#   rhost_config: ssh_config at the remote host
#
#-----------------------------------------------------------------------
do_setup()
{
    trap do_cleanup 0

    # Kill the tcp traffic server
    killall_tcp_traffic

    # Initialize the interface
    initialize_if lhost ${LINK_NUM}
    initialize_if rhost ${LINK_NUM}

    # Get the Interface name
    lhost_ifname=`get_ifname lhost ${LINK_NUM}`
    if [ $? -ne 0 ]; then
	tst_resm TBROK "Failed to get the interface name at the local host"
	exit $TST_TOTAL
    fi

    case $IP_VER in
	4)
	# Set IPv4 address to the interfaces
	set_ipv4addr lhost $LINK_NUM ${IPV4_NETWORK} ${LHOST_IPV4_HOST}
	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 ${IPV4_NETWORK} ${RHOST_IPV4_HOST}
	if [ $? -ne 0 ]; then
	    tst_resm TBROK "Failed to add any IP address at the remote host"
	    exit 1
	fi
	
	lhost_addr="${IPV4_NETWORK}.${LHOST_IPV4_HOST}"
	rhost_addr="${IPV4_NETWORK}.${RHOST_IPV4_HOST}"
	check_icmpv4_connectivity $lhost_ifname $rhost_addr
	if [ $? -ne 0 ]; then
	    tst_resm TBROK "Failed to ping to $rhost_addr"
	    exit 1
	fi
	;;

	6)
	# Set IPv6 address to the interfaces
	add_ipv6addr lhost $LINK_NUM ${IPV6_NETWORK} ${LHOST_IPV6_HOST}
	if [ $? -ne 0 ]; then
	    tst_resm TBROK "Failed to add any IP address at the local host"
	    exit 1
	fi
	add_ipv6addr rhost $LINK_NUM ${IPV6_NETWORK} ${RHOST_IPV6_HOST}
	if [ $? -ne 0 ]; then
	    tst_resm TBROK "Failed to add any IP address at the remote host"
	    exit 1
	fi

	lhost_addr="${IPV6_NETWORK}:${LHOST_IPV6_HOST}"
	rhost_addr="${IPV6_NETWORK}:${RHOST_IPV6_HOST}"
	check_icmpv6_connectivity $lhost_ifname $rhost_addr
	if [ $? -ne 0 ]; then
	    tst_resm TBROK "Failed to ping to $rhost_addr"
	    exit 1
	fi
	;;

	*)
	tst_resm TBROK "Unknown IP version: $IP_VER"
	exit 1
	;;
    esac

    #
    # Start sshd for testing 
    #
    port=`find_portbundle tcp 1025 1`
    if [ $? -ne 0 ]; then
	tst_resm TFAIL "No port is available."
	exit 1
    fi
    sshd_dir=`TMPDIR="$SSH_TMPDIR_PARENT" mktemp -d`
    cat << EOD > ${sshd_dir}/sshd_config
Port $port
ListenAddress $lhost_addr
PermitRootLogin yes
AuthorizedKeysFile ${sshd_dir}/authorized_keys
PasswordAuthentication no
AllowTcpForwarding yes
TCPKeepAlive yes
UseDNS no
PidFile ${sshd_dir}/sshd.pid
EOD

    sshd -f ${sshd_dir}/sshd_config
    if [ $? -ne 0 ]; then
	tst_resm TBROK "Failed to run sshd daemon."
	exit 1
    fi

    # 
    # Generate configuration file and key at the remote host
    #
    rhost_ssh_dir=`$LTP_RSH $RHOST "mktemp -d -p $SSH_TMPDIR_PARENT"`
    ret=`$LTP_RSH $RHOST '( cd '$rhost_ssh_dir' && ssh-keygen -t rsa -N "" -f id_rsa ) >/dev/null 2>&1 ; echo $?'`
    if [ $ret -ne 0 ]; then
	tst_resm TBROK "Failed to generate key."
	exit 1
    fi

    rhost_config=${rhost_ssh_dir}/ssh_config
    rmtshell="$LTP_RSH"
    echo $LTP_RSH | grep "rsh.*-n" >/dev/null 2>&1
    if [ $? -eq 0 ]; then
	rmtshell="`echo $LTP_RSH | sed "s/-n//"`"
    fi

    cat << EOD | $rmtshell $RHOST "cat > $rhost_config"
Port $port
StrictHostKeyChecking no
PasswordAuthentication no
UserKnownHostsFile $rhost_ssh_dir/known_hosts
IdentityFile $rhost_ssh_dir/id_rsa
EOD
    $LTP_RSH $RHOST "cd $rhost_ssh_dir && cat id_rsa.pub" > ${sshd_dir}/authorized_keys
    $LTP_RSH $RHOST "chmod 700 $rhost_ssh_dir ; chmod 600 $rhost_ssh_dir/*"

    chmod 700 $sshd_dir
    chmod 600 $sshd_dir/*
}


#-----------------------------------------------------------------------
#
# Function:
#   test01
#
# Description:
#   Verify the ssh connectivity is not broken after creating a large
#   number of ssh sessions
#
#-----------------------------------------------------------------------
test01()
{
    TCID=ssh${IP_VER}-stress01
    TST_COUNT=1
    tst_resm TINFO "Verify the ssh connectivity over IPv${IP_VER} is not broken after creating ${CONNECTION_TOTAL} ssh sessions"

    # Script name at the remote host
    rmtscript="ssh-stress01-rmt"
    
    # Run the script at the remote host
    message_file=`mktemp -p $TMPDIR` 
    not_run_rmtscript=true
    for rmtdir in ${LTPROOT}/testcases/bin ${PWD} ; do
	ret=`$LTP_RSH $RHOST 'test -x '${rmtdir}/${rmtscript}' ; echo $?'`
	if [ $ret -eq 0 ]; then
	    not_run_rmtscript=false
	    $LTP_RSH $RHOST "${rmtdir}/${rmtscript} $IP_VER $lhost_addr $rhost_config $CONNECTION_TOTAL" > $message_file
	    break
	fi
    done
    if $not_run_rmtscript ; then
	tst_resm TBROK "Failed to run the test script at the remote host"
	rm -f $message_file
	exit 1
    fi

    if [ -s $message_file ]; then
	tst_resm TFAIL "`cat $message_file`"
	rm -f $message_file
	return 1
    else
	tst_resm TPASS "Test is finished successfully."
	rm -f $message_file
	return 0
    fi

}


#-----------------------------------------------------------------------
#
# Function:
#   test02
#
# Description:
#   Verify the ssh connectivity is not broken after logged in/out
#   by many clients asynchronously for a long time
#
#-----------------------------------------------------------------------
test02()
{
    TCID=ssh${IP_VER}-stress02
    TST_COUNT=2
    tst_resm TINFO "Verify the ssh connectivity over IPv${IP_VER} is not broken after logged in/out by many clients asynchronously in ${NS_DURATION}[sec]"
    tst_resm TINFO "The number of client is not over $CONNECTION_TOTAL"

    # Script name at the remote host
    rmtscript="ssh-stress02-rmt"
    
    # Run the script at the remote host
    message_file=`mktemp -p $TMPDIR` 
    not_run_rmtscript=true
    for rmtdir in ${LTPROOT}/testcases/bin ${PWD} ; do
	ret=`$LTP_RSH $RHOST 'test -x '${rmtdir}/${rmtscript}' ; echo $?'`
	if [ $ret -eq 0 ]; then
	    not_run_rmtscript=false
	    $LTP_RSH $RHOST "${rmtdir}/${rmtscript} $IP_VER $lhost_addr $rhost_config $CONNECTION_TOTAL $NS_DURATION" > $message_file
	    break
	fi
    done
    if $not_run_rmtscript ; then
	tst_resm TBROK "Failed to run the test script at the remote host"
	rm -f $message_file
	exit 1
    fi

    if [ -s $message_file ]; then
	tst_resm TFAIL "`cat $message_file`"
	rm -f $message_file
	return 1
    else
	tst_resm TPASS "Test is finished successfully."
	rm -f $message_file
	return 0
    fi
}


#-----------------------------------------------------------------------
#
# Function:
#   test03
#
# Description:
#   Verify the ssh connectivity is not broken after forwarding TCP traffic
#   for a long time
#
#-----------------------------------------------------------------------
test03()
{
    TCID=ssh${IP_VER}-stress03
    TST_COUNT=3
    tst_resm TINFO "Verify the ssh connectivity over IPv${IP_VER} is not broken after forwarding TCP traffic in ${NS_DURATION}[sec]"

    # Script name at the remote host
    rmtscript="ssh-stress03-rmt"

    # Run a TCP traffic server
    traffic_port=`find_portbundle tcp 1025 1` || exit 1
    info_file=`mktemp -p $TMPDIR`
    ns-tcpserver -b -f $IP_VER -p $traffic_port -o $info_file
    if [ $? -ne 0 ]; then
	tst_resm TFAIL "Failed to run a tcp traffic server."
	rm -f $info_file
	exit 1
    fi

    while true ; do
	if [ -s $info_file ]; then
	    break
	fi
    done

    server_pid=`grep PID: $info_file | cut -f 2 -d ' '`
    rm -f $info_file
    
    # Run the script at the remote host
    message_file=`mktemp -p $TMPDIR` 
    not_run_rmtscript=true
    for rmtdir in ${LTPROOT}/testcases/bin ${PWD} ; do
	ret=`$LTP_RSH $RHOST 'test -x '${rmtdir}/${rmtscript}' ; echo $?'`
	if [ $ret -eq 0 ]; then
	    not_run_rmtscript=false
	    $LTP_RSH $RHOST "${rmtdir}/${rmtscript} $LTPROOT $IP_VER $lhost_addr $rhost_config $traffic_port $NS_DURATION" > $message_file
	    break
	fi
    done
    if $not_run_rmtscript ; then
	tst_resm TBROK "Failed to run the test script at the remote host"
	rm -f $message_file
	exit 1
    fi

    if [ -s $message_file ]; then
	tst_resm TFAIL "`cat $message_file`"
	rm -f $message_file
	return 1
    else
	tst_resm TPASS "Test is finished successfully."
	rm -f $message_file
	return 0
    fi
}


#-----------------------------------------------------------------------
#
# Main
#
# Exit Value:
#   The number of the failure
#
#-----------------------------------------------------------------------

RC=0
do_setup
test01 || RC=`expr $RC + 1`
test02 || RC=`expr $RC + 1`
test03 || RC=`expr $RC + 1`

exit $RC

--- NEW FILE: ssh-stress03-rmt ---
#!/bin/sh

################################################################################
##                                                                            ##
## Copyright (c) International Business Machines  Corp., 2005                 ##
##                                                                            ##
## This program is free software;  you can redistribute it and#or modify      ##
## it under the terms of the GNU General Public License as published by       ##
## the Free Software Foundation; either version 2 of the License, or          ##
## (at your option) any later version.                                        ##
##                                                                            ##
## This program is distributed in the hope that it will be useful, but        ##
## WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ##
## or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License   ##
## for more details.                                                          ##
##                                                                            ##
## You should have received a copy of the GNU General Public License          ##
## along with this program;  if not, write to the Free Software               ##
## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 03111-1307 USA    ##
##                                                                            ##
##                                                                            ##
################################################################################
#
# File:
#   ssh-stress03-rmt
#
# Description:
#   This is the remote script for ssh-ipv${IP_VER}-stress03
#
# Author:
#   Mitsuru Chinen <mi...@jp...>
#
# Arguments:
#   $1: version of IP
#   $2: IP address log into
#   $3: ssh_config file
#   $4: quantity of connection
#   $5: duration
#
# Exit Value:
#    0: Success
#   >0: Fail
#
# History:
#	Oct 19 2005 - Created (Mitsuru Chinen)
#
#-----------------------------------------------------------------------
# Uncomment line below for debug output.
#trace_logic=${trace_logic:-"set -x"}
$trace_logic

# Check the arguments
if [ $# -ne 6 ]; then
    echo "Usage: $0 LTPROOT IP_version server_addr ssh_config remote_port duration"
    exit 1
fi
ltproot="$1"
ip_ver="$2"
server_ipaddr="$3"
ssh_config="$4"
remote_port="$5"
duration="$6"

# Check the connectivity first
if [ ! -f $ssh_config ]; then
    echo "$ssh_config is something wrong."
    exit 1
fi
ssh $ver_opt -F $ssh_config $server_ipaddr "true </dev/null >/dev/null 2>&1" >/dev/null 2>&1
if [ $? -ne 0 ]; then
    echo "Failed to connect $server_ipaddr"
    exit 1
fi

# Find an available port
stat_file=`mktemp`
netstat -a -n -t | awk '{ print $4 }' | sed "s/^.*://" >$stat_file 2>/dev/null
local_port=1025
while true ; do
    grep -l "^${local_port}$" $stat_file >/dev/null 2>&1
    if [ $? -eq 0 ]; then
	local_port=`expr $local_port + 1`
	if [ $local_port -gt 65535 ]; then
	    echo "No port is avaiable"
	    rm -f $stat_file
	    exit 1
	fi
    else
	rm -f $stat_file
	break
    fi
done

# Search the TCP traffic client
client_not_found=true
for clientdir in ${ltproot}/testcases/bin ${ltproot}/testcases/network/stress/bin ; do
    client="${clientdir}/ns-tcpclient"
    if [ -x $client ]; then
	client_not_found=false
	break
    fi
done
if $client_not_found ; then
    echo "TCP traffic client is not found"
    exit 1
fi

# Set the ssh portforwarding
case $ip_ver in
    4)
    localhost="127.0.0.1"
    ssh -4 -f -N -L ${local_port}:${server_ipaddr}:${remote_port} root@${server_ipaddr} -F $ssh_config
    ;;
    6)
    localhost="::1"
    ssh -6 -f -N -L ${local_port}/${server_ipaddr}/${remote_port} root@${server_ipaddr} -F $ssh_config
    ;;
    *)
    echo "$ver_opt is unknown IP version"
    exit 1
    ;;
esac



# Start the TCP traffic client
$client -S $localhost -p ${local_port} -f $ip_ver -t $duration
if [ $? -ne 0 ]; then
    echo "TCP traffic client is dead."

    # Stop the ssh port forwording
    for ssh_pid in `ps auxw | fgrep -v grep | grep "ssh[[:blank:]].*${ssh_config}" | awk '{print $2}'` ; do
	kill $ssh_pid
    done
    exit 1
fi

# Stop the ssh port forwording
for ssh_pid in `ps auxw | fgrep -v grep | grep "ssh[[:blank:]].*${ssh_config}" | awk '{print $2}'` ; do
    kill $ssh_pid
done

# Check the connectivity again
ssh $ver_opt -F $ssh_config $server_ipaddr "true </dev/null >/dev/null 2>&1" >/dev/null 2>&1
if [ $? -ne 0 ]; then
    echo "Failed to connect $server_ipaddr. ssh connectivity is lost."
    exit 1
fi

exit 0