#!/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_extra770="7.70"
CHECK_TITLE_extra770="[extra770] Check for internet facing EC2 instances with Instance Profiles attached (Not Scored) (Not part of CIS benchmark)"
CHECK_SCORED_extra770="NOT_SCORED"
CHECK_TYPE_extra770="EXTRA"
CHECK_SEVERITY_extra770="Medium"
CHECK_ASFF_RESOURCE_TYPE_extra770="AwsEc2Instance"
CHECK_ALTERNATE_check770="extra770"
CHECK_SERVICENAME_extra770="ec2"

extra770(){
  # "Check for internet facing EC2 Instances (Not Scored) (Not part of CIS benchmark)"
  textInfo "Looking for instances in all regions...  "
  for regx in $REGIONS; do
    LIST_OF_PUBLIC_INSTANCES_WITH_INSTANCE_PROFILES=$($AWSCLI ec2 describe-instances $PROFILE_OPT --region $regx --query 'Reservations[*].Instances[?((IamInstanceProfile!=`null` && PublicIpAddress!=`null`))].[InstanceId,PublicIpAddress,IamInstanceProfile.Arn]' --output text)
    if [[ $LIST_OF_PUBLIC_INSTANCES_WITH_INSTANCE_PROFILES ]];then
      while read -r instance;do
        INSTANCE_ID=$(echo $instance | awk '{ print $1; }')
        PUBLIC_IP=$(echo $instance | awk '{ print $2; }')
        INSTANCE_PROFILE=$(echo $instance | awk '{ print $3; }')
        textFail "$regx: Instance: $INSTANCE_ID at IP: $PUBLIC_IP is internet-facing with Instance Profile $INSTANCE_PROFILE" "$regx"
      done <<< "$LIST_OF_PUBLIC_INSTANCES_WITH_INSTANCE_PROFILES"
      else
        textPass "$regx: no Internet Facing EC2 Instances with Instance Profiles found" "$regx"
    fi
  done
}