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#!/bin/bash
#
# Check puppet fingerprints, hydractl perspective.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License along with this program.  If not, see
# <http://www.gnu.org/licenses/>.

# Load
source $APP_BASE/lib/hydra/functions || exit 1
hydra_config_load

# Command line arguments
BASENAME="`basename $0`"
HOST="$1"

# Get the fingerprints
if [ ! -z "$HOST" ]; then
  if [ -f "/etc/ssh/ssh_known_hosts" ]; then
    ssh-keygen -l -f /etc/ssh/ssh_known_hosts -F $HOST
  fi

  if [ -f "$HOME/.ssh/known_hosts" ]; then
    ssh-keygen -l -f $HOME/.ssh/known_hosts -F $HOST
  fi
elif [ -d "/etc/ssh" ]; then
  # Classic
  for i in /etc/ssh/*.pub; do
    if [ -e "$i" ]; then
      ssh-keygen -l -f $i
    fi
  done

  # Simpler, but might trow errors if there's no keys
  #ls /etc/ssh/ssh_host_*.pub | xargs -n 1 ssh-keygen -l -f
fi