#!/bin/sh

clients=$(find /opt/ltsp -mindepth 1 -maxdepth 1 -type d -printf '%f\n')
hostname=$(hostname)
ips=$(getent hosts $hostname | awk '$0 !~ /127.0.0.1/ { print $1 }')
ips=$(ip -o addr show | awk '$3 == "inet" && $4 !~ /^127\./ { print $4 }' | sed -e 's,/[0-9][0-9]*\>,,g')
output=$(tempfile)
enc="dsa rsa"

names="$hostname $ips"

for name in $names; do
    for encryption in $enc; do
        echo $(echo $name $(cat /etc/ssh/ssh_host_${encryption}_key.pub|awk '{split ($0, a, " "); print a[1]" "a[2]" "}')) >> $output
        echo "# Creating ${encryption}-hostkey for $name"
    done
done

for client in $clients; do
    install -m 644 $output /opt/ltsp/$client/etc/ssh/ssh_known_hosts
done

rm -f $output

exit 0