source: hybrid/branches/releng-11/nanobsd/files/usr/local/etc/rc.d/nanobsd-save-sshkeys

#!/bin/sh
#
# $FreeBSD: ports/net/pen/files/pen.sh.in,v 1.1 2006/09/24 14:34:36 clement Exp $
#

# PROVIDE: pen
# REQUIRE: NETWORKING SERVERS sshd
# KEYWORD: shutdown

#
# Add the following line to /etc/rc.conf to enable nanobsd-save-sshkeys:
#
# nanobsd_save_sshkeys_enable="YES"
#

. /etc/rc.subr

name=nanobsd_save_sshkeys

nanobsd_save_sshkeys_enable=${nanobsd_save_sshkeys_enable:-"NO"}

start_cmd="save_sshkeys"
stop_cmd="save_sshkeys"

save_sshkeys() {
        MOUNTED_RW=0
        trap "umount /cfg" 1 2 15 EXIT
        mount -ro noatime /cfg
        for FILE in /etc/ssh/ssh_host_*; do
                cmp -s $FILE /cfg/ssh/`basename ${FILE}`
                if [ $? -ne 0 ]; then
                        if [ ${MOUNTED_RW} -eq 0 ]; then
                                mount -uwo noatime /cfg
                                mkdir -p /cfg/ssh
                                MOUNTED_RW=1
                        fi
                        cp $FILE /cfg/ssh/`basename ${FILE}`
                fi
        done

        umount /cfg
        trap 1 2 15 EXIT
}


load_rc_config $name
run_rc_command "$1"