2N/A#!/sbin/sh
2N/A#
2N/A# Copyright 2010 Sun Microsystems, Inc. All rights reserved.
2N/A# Use is subject to license terms.
2N/A#
2N/A# Copyright 2016 Hans Rosenfeld <rosenfeld@grumpf.hope-2000.org>
2N/A#
2N/A
2N/A. /lib/svc/share/ipf_include.sh
2N/A. /lib/svc/share/smf_include.sh
2N/A
2N/ASSHDIR=/etc/ssh
2N/AKEYGEN="/usr/bin/ssh-keygen -q"
2N/APIDFILE=/var/run/sshd.pid
2N/A
2N/A# Checks to see if RSA, and DSA host keys are available
2N/A# if any of these keys are not present, the respective keys are created.
2N/Acreate_key()
2N/A{
2N/A keypath=$1
2N/A keytype=$2
2N/A
2N/A if [ ! -f $keypath ]; then
2N/A #
2N/A # HostKey keywords in sshd_config may be preceded or
2N/A # followed by a mix of any number of space or tabs,
2N/A # and optionally have an = between keyword and
2N/A # argument. We use two grep invocations such that we
2N/A # can match HostKey case insensitively but still have
2N/A # the case of the path name be significant, keeping
2N/A # the pattern somewhat more readable.
2N/A #
2N/A # The character classes below contain one literal
2N/A # space and one literal tab.
2N/A #
grep -i "^[ ]*HostKey[ ]*=\{0,1\}[ ]*$keypath" \
$SSHDIR/sshd_config | grep "$keypath" > /dev/null 2>&1
if [ $? -eq 0 ]; then
echo Creating new $keytype public/private host key pair
$KEYGEN -f $keypath -t $keytype -N ''
if [ $? -ne 0 ]; then
echo "Could not create $keytype key: $keypath"
exit $SMF_EXIT_ERR_CONFIG
fi
fi
fi
}
create_ipf_rules()
{
FMRI=$1
ipf_file=`fmri_to_file ${FMRI} $IPF_SUFFIX`
ipf6_file=`fmri_to_file ${FMRI} $IPF6_SUFFIX`
policy=`get_policy ${FMRI}`
#
# Get port from /etc/ssh/sshd_config
#
tports=`grep "^Port" /etc/ssh/sshd_config 2>/dev/null | \
awk '{print $2}'`
echo "# $FMRI" >$ipf_file
echo "# $FMRI" >$ipf6_file
for port in $tports; do
generate_rules $FMRI $policy "tcp" $port $ipf_file
generate_rules $FMRI $policy "tcp" $port $ipf6_file _6
done
}
# 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')
/usr/bin/ssh-keygen -A
if [ $? -ne 0 ]; then
create_key $SSHDIR/ssh_host_rsa_key rsa
create_key $SSHDIR/ssh_host_dsa_key dsa
fi
;;
'-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"])
'ipfilter')
create_ipf_rules $2
;;
'start')
#
# If host keys don't exist when the service is started, create
# them; sysidconfig is not run in every situation (such as on
# the install media).
#
/usr/bin/ssh-keygen -A
if [ $? -ne 0 ]; 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 $?