#!/sbin/sh

#

# Copyright 2008 Sun Microsystems, Inc.  All rights reserved.

# Use is subject to license terms.

#

# ident	"@(#)sshd	1.4	04/11/17 SMI"

SSHDIR=/etc/ssh

KEYGEN="/usr/bin/ssh-keygen -q"

PIDFILE=/var/run/sshd.pid

# Checks to see if RSA, and DSA host keys are available

# if any of these keys are not present, the respective keys are created.

create_key()

{

	keypath=$1

	keytype=$2

	if [ ! -f $keypath ]; then

		grep "^HostKey $keypath" $SSHDIR/sshd_config > /dev/null 2>&1

		if [ $? -eq 0 ]; then

			echo Creating new $keytype public/private host key pair

			$KEYGEN -f $keypath -t $keytype -N ''

			return $?

		fi

	fi

	return 0

}

# This script is being used for two purposes: as part of an SMF

# start/stop/refresh method, and as a sysidconfig(1M)/sys-unconfig(1M)

# application.

#

# Both, the SMF methods and sysidconfig/sys-unconfig use different

# arguments..

case $1 in 

	# sysidconfig/sys-unconfig arguments (-c and -u)

'-c')

	create_key $SSHDIR/ssh_host_rsa_key rsa

	create_key $SSHDIR/ssh_host_dsa_key dsa

	;;

'-u')

	# sys-unconfig(1M) knows how to remove ssh host keys, so there's

	# nothing to do here.

	:

	;;

	# SMF arguments (start and restart [really "refresh"])

'start')

	if [ -f /.livecd ] && [ ! -f $SSHDIR/ssh_host_rsa_key ]; then

		create_key $SSHDIR/ssh_host_rsa_key rsa

		create_key $SSHDIR/ssh_host_dsa_key dsa

	fi

	/usr/lib/ssh/sshd

	;;

'restart')

	if [ -f "$PIDFILE" ]; then

		/usr/bin/kill -HUP `/usr/bin/cat $PIDFILE`

	fi

	;;

*)

	echo "Usage: $0 { start | restart }"

	exit 1

	;;

esac	

exit $?