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prowler/lib/common/whoami
2022-05-25 12:54:15 +02:00

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#!/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.
# Get whoami in AWS, who is the user running this shell script
# Get a list of all available AWS Regions
# sice describe-regions doesn't seem to work at me-south-1|eu-south-1|ap-east-1|af-south-1.
# Probably dased on https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_enable-regions.html
# when invoking regions with -r, those regions with STS disabled make GETCALLER fail then
# this if will filter them out (Africa (Cape Town), Asia Pacific (Hong Kong), Europe (Milan) and Middle East (Bahrain) ):
case "$REGION" in
me-south-1|eu-south-1|ap-east-1|af-south-1)
REGION_FOR_STS="us-east-1"
;;
*)
REGION_FOR_STS=$REGION
;;
esac
GETCALLER=$($AWSCLI sts get-caller-identity $PROFILE_OPT --output json --region $REGION_FOR_STS 2>&1)
ret=$?
if [[ $ret -ne 0 ]]; then
if [[ $PRINTCHECKSONLY || $PRINTGROUPSONLY ]]; then
echo Listing...
else
# Failed to get own identity ... exit
echo -e "$RED ERROR Getting credentials to run Prowler - EXITING! $NORMAL"
EXITCODE=2
exit $EXITCODE
fi
fi
if [[ $ACCOUNT_TO_ASSUME ]]; then
ACCOUNT_NUM=$ACCOUNT_TO_ASSUME
else
ACCOUNT_NUM=$(echo $GETCALLER | jq -r '.Account' 2>&1)
fi
CALLER_ARN=$(echo $GETCALLER | jq -r '.Arn' 2>&1)
USER_ID=$(echo $GETCALLER | jq -r '.UserId' 2>&1)
AWS_PARTITION=$(echo $CALLER_ARN| cut -d: -f2)
getWhoami(){
if [[ "$MODE" == "csv" ]]; then
if [[ 255 -eq $? ]]; then
# Failed to get own identity ... exit
echo "ERROR WITH $PROFILE CREDENTIALS - EXITING!"
>&2 echo "ERROR WITH $PROFILE CREDENTIALS - EXITING!"
EXITCODE=2
exit $EXITCODE
fi
# textTitle "0.0" "Show report generation info" "NOT_SCORED" "SUPPORT"
# textInfo "ARN: $CALLER_ARN TIMESTAMP: $SCRIPT_START_TIME"
elif [[ "$MODE" == "json" || "$MODE" == "json-asff" ]]; then
:
else
echo ""
echo -e " This report is being generated using credentials below:\n"
echo -e " AWS-CLI Profile: $NOTICE[$PROFILE]$NORMAL AWS API Region: $NOTICE[$REGION]$NORMAL AWS Filter Region: $NOTICE[${FILTERREGION:-all}]$NORMAL"
if [[ $MONOCHROME -eq 1 ]]; then
echo -e " AWS Account: $NOTICE[$ACCOUNT_NUM]$NORMAL UserId: $NOTICE[$USER_ID]$NORMAL"
echo -e " Caller Identity ARN: $NOTICE[$CALLER_ARN]$NORMAL"
if [[ 255 -eq $? ]]; then
# Failed to get own identity ... exit
echo "ERROR WITH $PROFILE CREDENTIALS - EXITING!"
>&2 echo "ERROR WITH $PROFILE CREDENTIALS - EXITING!"
exit 2
fi
else
echo -e " AWS Account: $NOTICE[$ACCOUNT_NUM]$NORMAL UserId: $NOTICE[$USER_ID]$NORMAL"
echo -e " Caller Identity ARN: $NOTICE[$CALLER_ARN]$NORMAL"
if [[ 255 -eq $? ]]; then
# Failed to get own identity ... exit
echo variable $PROFILE_OPT
echo "ERROR WITH $PROFILE CREDENTIALS - EXITING!"
>&2 echo "ERROR WITH $PROFILE CREDENTIALS - EXITING!"
EXITCODE=2
exit $EXITCODE
fi
echo ""
fi
fi
}