#!/usr/bin/env bash

# Prowler - the handy cloud security tool (c) by Toni de la Fuente
#
# This Prowler check is licensed under a
# Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
#
# You should have received a copy of the license along with this
# work. If not, see <http://creativecommons.org/licenses/by-nc-sa/4.0/>.

CHECK_ID_check122="1.22"
CHECK_TITLE_check122="[check122] Ensure IAM policies that allow full \"*:*\" administrative privileges are not created (Scored)"
CHECK_SCORED_check122="SCORED"
CHECK_TYPE_check122="LEVEL1"
CHECK_ALTERNATE_check122="check122"

check122(){
  # "Ensure IAM policies that allow full \"*:*\" administrative privileges are not created (Scored)"
  LIST_CUSTOM_POLICIES=$($AWSCLI iam list-policies --output text $PROFILE_OPT --region $REGION --scope Local --query 'Policies[*].[Arn,DefaultVersionId]' | grep -v -e '^None$' | awk -F '\t' '{print $1","$2"\n"}')
  if [[ $LIST_CUSTOM_POLICIES ]]; then
    textInfo "Looking for custom policies: (skipping default policies - it may take few seconds...)"
    for policy in $LIST_CUSTOM_POLICIES; do
      POLICY_ARN=$(echo $policy | awk -F ',' '{print $1}')
      POLICY_VERSION=$(echo $policy | awk -F ',' '{print $2}')
      POLICY_WITH_FULL=$($AWSCLI iam get-policy-version --output text --policy-arn $POLICY_ARN --version-id $POLICY_VERSION --query "PolicyVersion.Document.Statement[?Action!=null]|[?Effect == 'Allow' && contains(Resource, '*') && contains (Action, '*')]" $PROFILE_OPT --region $REGION)
      if [[ $POLICY_WITH_FULL ]]; then
        POLICIES_ALLOW_LIST="$POLICIES_ALLOW_LIST $POLICY_ARN"
      fi
    done
    if [[ $POLICIES_ALLOW_LIST ]]; then
      textInfo "List of custom policies: "
      for policy in $POLICIES_ALLOW_LIST; do
        textInfo "Policy $policy allows \"*:*\""
      done
    else
        textPass "No custom policy found that allow full \"*:*\" administrative privileges"
    fi
  else
    textPass "No custom policies found"
  fi
}