managementnode/tools/xcat_postscripts/remoteshell-dblssh-dhcp

#!/bin/ksh
#egan@us.ibm.com
#(C)IBM Corp
#

. $XCATROOT/lib/functions

echo "$RSHC" | grep "rsh" >/dev/null 2>&1
if [ "$?" = "0" ]
then
	if [ -r /etc/xinetd.d/rsh ]
	then
		logger -t xcat "Install: enable rsh"
		perl -pi -e 's/^(\tdisable[^=]*=) yes/$1 no/' /etc/xinetd.d/rsh
		perl -pi -e 's/^(\tdisable[^=]*=) yes/$1 no/' /etc/xinetd.d/rlogin
		logger -t xcat "Install: setup root .rhosts"
		cd /root
		echo "$MASTER" >.rhosts
		echo "$MASTER.$DOMAIN" >>.rhosts
		chmod 600 .rhosts
	fi
	echo "rsh" >>/etc/securetty
	echo "rlogin" >>/etc/securetty
fi


MIP=$(nametoip $MASTER)

echo "$RSHC" | grep "ssh" >/dev/null 2>&1
if [ "$?" = "0" ]
then
	if [ -r /etc/ssh/sshd_config ]
	then
		logger -t xcat "Install: setup /etc/ssh/sshd_config"
		cp /etc/ssh/sshd_config /etc/ssh/sshd_config.ORIG
		perl -pi -e 's/^X11Forwarding .*$/X11Forwarding yes/' /etc/ssh/sshd_config
		perl -pi -e 's/^KeyRegenerationInterval .*$/KeyRegenerationInterval 0/' /etc/ssh/sshd_config
		perl -pi -e 's/(.*MaxStartups.*)/#\1/' /etc/ssh/sshd_config
		echo "MaxStartups 1024" >>/etc/ssh/sshd_config
#		echo "PasswordAuthentication no" >>/etc/ssh/sshd_config
# setup second sshd (external)
		cp /etc/ssh/sshd_config /etc/ssh/external_sshd_config
		echo "AllowUsers root@$MIP" >>/etc/ssh/sshd_config

		logger -t xcat "Install: setup /etc/ssh/external_sshd_config"
		echo "PidFile /var/run/ext_sshd.pid" >>/etc/ssh/external_sshd_config
		echo "PermitRootLogin no" >>/etc/ssh/external_sshd_config
		echo "Banner /etc/banner" >>/etc/ssh/external_sshd_config

	fi

	if [ -d /post/.ssh ]
	then
		logger -t xcat "Install: setup root .ssh"
		cd /post/.ssh
		mkdir -p /root/.ssh
		cp -f * /root/.ssh
		chmod 700 /root/.ssh
		chmod 600 /root/.ssh/*
	fi

case $OSVER in
	rhfc[45]*)
		newline="\\n"
		;;
	rh*)
		newline="\\\\n"
		;;
esac


# make rc.local to change "ListenAddress" in sshd's configs accordingly to network interfaces values
echo "" >> /etc/rc.local
echo "
IP0=\$(ifconfig eth0 | grep 'inet addr' | awk '{print \$2}' | awk -F: '{print \$2}')
IP1=\$(ifconfig eth1 | grep 'inet addr' | awk '{print \$2}' | awk -F: '{print \$2}')
perl -pi -e 's/^AllowUsers .*//' /etc/ssh/sshd_config
perl -pi -e 's/^ListenAddress .*//' /etc/ssh/sshd_config
perl -pi -e 's/^ListenAddress .*//' /etc/ssh/external_sshd_config
echo \"AllowUsers root\" >> /etc/ssh/sshd_config
echo \"ListenAddress \$IP0\" >> /etc/ssh/sshd_config
echo \"ListenAddress \$IP1\" >> /etc/ssh/external_sshd_config
/etc/rc.d/init.d/ext_sshd stop
/etc/rc.d/init.d/sshd stop
sleep 2
/etc/rc.d/init.d/sshd start
/etc/rc.d/init.d/ext_sshd start

" >> /etc/rc.local

fi

exit 0