|  | #! /bin/sh | 
|  | # | 
|  | # $Id: ssh-host-keygen,v 1.3 2008/11/03 09:16:01 djm Exp $ | 
|  | # | 
|  | # This script is normally run only *once* for a given host | 
|  | # (in a given period of time) -- on updates/upgrades/recovery | 
|  | # the ssh_host_key* files _should_ be retained! Otherwise false | 
|  | # "man-in-the-middle-attack" alerts will frighten unsuspecting | 
|  | # clients... | 
|  |  | 
|  | keydir=@sysconfdir@ | 
|  | keygen=@sshkeygen@ | 
|  |  | 
|  | if [ -f $keydir/ssh_host_key -o \ | 
|  | -f $keydir/ssh_host_key.pub ]; then | 
|  | echo "You already have an SSH1 RSA host key in $keydir/ssh_host_key." | 
|  | else | 
|  | echo "Generating SSH1 RSA host key." | 
|  | $keygen -t rsa1 -f $keydir/ssh_host_key -C '' -N '' | 
|  | fi | 
|  |  | 
|  | if [ -f $keydir/ssh_host_rsa_key -o \ | 
|  | -f $keydir/ssh_host_rsa_key.pub ]; then | 
|  | echo "You already have an SSH2 RSA host key in $keydir/ssh_host_rsa_key." | 
|  | else | 
|  | echo "Generating SSH2 RSA host key." | 
|  | $keygen -t rsa -f $keydir/ssh_host_rsa_key -C '' -N '' | 
|  | fi | 
|  |  | 
|  | if [ -f $keydir/ssh_host_dsa_key -o \ | 
|  | -f $keydir/ssh_host_dsa_key.pub ]; then | 
|  | echo "You already have an SSH2 DSA host key in $keydir/ssh_host_dsa_key." | 
|  | else | 
|  | echo "Generating SSH2 DSA host key." | 
|  | $keygen -t dsa -f $keydir/ssh_host_dsa_key -C '' -N '' | 
|  | fi |