#!/usr/bin/env bash

# Prowler - the handy cloud security tool (copyright 2018) by Toni de la Fuente
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy
# of the License at http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software distributed
# under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
# CONDITIONS OF ANY KIND, either express or implied. See the License for the
# specific language governing permissions and limitations under the License.
CHECK_ID_extra76="7.6"
CHECK_TITLE_extra76="[extra76] Ensure there are no EC2 AMIs set as Public (Not Scored) (Not part of CIS benchmark)"
CHECK_SCORED_extra76="NOT_SCORED"
CHECK_TYPE_extra76="EXTRA"
CHECK_SEVERITY_extra76="Critical"
CHECK_ALTERNATE_extra706="extra76"
CHECK_ALTERNATE_check76="extra76"
CHECK_ALTERNATE_check706="extra76"
CHECK_SERVICENAME_extra76="ec2"
CHECK_RISK_extra76='A shared AMI is an AMI that a developer created and made available for other developers to use. If AMIs have embebed information about the environment could pose a security risk. You use a shared AMI at your own risk. Amazon can not vouch for the integrity or security of AMIs shared by Amazon EC2 users. '
CHECK_REMEDIATION_extra76='List all shared AMIs and make sure there is a business reason for them.'
CHECK_DOC_extra76='https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/usingsharedamis-finding.html'
CHECK_CAF_EPIC_extra76='Infrastructure Security'

extra76(){
  # "Ensure there are no EC2 AMIs set as Public (Not Scored) (Not part of CIS benchmark)"
  textInfo "Looking for AMIs in all regions...  "
  for regx in $REGIONS; do
    LIST_OF_PUBLIC_AMIS=$($AWSCLI ec2 describe-images --owners self $PROFILE_OPT --region $regx --filters "Name=is-public,Values=true" --query 'Images[*].{ID:ImageId}' --output text)
    if [[ $LIST_OF_PUBLIC_AMIS ]];then
      for ami in $LIST_OF_PUBLIC_AMIS; do
        textFail "$regx: $ami is currently Public!" "$regx" "$ami"
      done
    else
      textPass "$regx: No Public AMIs found" "$regx" "$ami"
    fi
  done
}