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(* virt-sysprep
* Copyright (C) 2012 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*)
open Sysprep_operation
open Common_gettext.Gettext
module G = Guestfs
let ssh_hostkeys_perform (g : Guestfs.guestfs) root side_effects =
let typ = g#inspect_get_type root in
if typ <> "windows" then (
let files = g#glob_expand "/etc/ssh/*_host_*" in
Array.iter g#rm files
)
let op = {
defaults with
name = "ssh-hostkeys";
enabled_by_default = true;
heading = s_"Remove the SSH host keys in the guest";
pod_description = Some (s_"\
The SSH host keys are regenerated (differently) next time the guest is
booted.
If, after cloning, the guest gets the same IP address, ssh will give
you a stark warning about the host key changing:
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!");
perform_on_filesystems = Some ssh_hostkeys_perform;
}
let () = register_operation op
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