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refactor(Prowler): Main logic refactor (#1189)

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* fix(aws_profile_loader): New functions

* fix(shellcheck): Temporary remove Shellcheck

* fix(aws_cli_detector): new function

* fix(jq_detector): New function

* fix(os_detector): New function

* fix(output_bucket): Output bucket input check in main

* fix(python_detector): deleted unused python detector

* fix(credentials): credentials check out of whoami

* [break]refactor(main)

* [BREAK] Get list of checks parsing all input options

* [break]refactor(main): execute checks functions

* [break]refactor(main): move functions to libs

* fix(validations): custom check validation and typos

* refactor(validate_options): Include comments

* fix(custom_checks): Minor fixes

* refactor(closing_files): include libraries

* refactor(loader): Include ignored checks

* refactor(main): Fix shellcheck

* refactor(loader): beautify

* refactor(monochrome): without variables

* refactor(modes): MODES array not needed

* refactor(whoami): get error from AWSCLI

* refactor(secrets-detector)

* refactor(secrets-detector)

* fix(html_scoring): html scoring was fixed.

* fix(load_checks_from_file)

* fix(color-code): Print if not mono

* fix(not extra): Fixed if EXCLUDE_CHECK_ID is empty

* fix(IFS): Restore default IFS once modes are parsed

* fix(bucket): validate before whoami

* fix(bucket): validate before whoami

Co-authored-by: n4ch04 <nachor1992@gmail.com>
Co-authored-by: sergargar <sergio@verica.io>
Co-authored-by: Nacho Rivera <59198746+n4ch04@users.noreply.github.com>
This commit is contained in:
Pepe Fagoagan4ch04sergargarNacho Rivera
 authored and GitHub committed 2022-06-13 17:34:31 +02:00
1 parent 74a9b42d9f
commit da000b54ca
51 files changed
+1120 -1048
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include/aws_profile_loader
+55 -38
View File
@@ -16,43 +16,60 @@
# check environment variables and if not, it checks and loads credentials from
# instance profile (metadata server) if runs in an EC2 instance
INSTANCE_PROFILE=$(curl -s -m 1 http://169.254.169.254/latest/meta-data/iam/security-credentials/)
if echo "$INSTANCE_PROFILE" | grep -q '404 - Not Found'; then
INSTANCE_PROFILE=
fi
aws_profile_loader() {
INSTANCE_PROFILE=$(curl -s -m 1 http://169.254.169.254/latest/meta-data/iam/security-credentials/)
if echo "$INSTANCE_PROFILE" | grep -q '404 - Not Found'; then
INSTANCE_PROFILE=
fi
if [[ $PROFILE ]]; then
PROFILE_OPT="--profile $PROFILE"
elif [[ $AWS_ACCESS_KEY_ID && $AWS_SECRET_ACCESS_KEY || $AWS_SESSION_TOKEN || $AWS_PROFILE ]];then
PROFILE="$AWS_PROFILE"
PROFILE_OPT=""
elif [[ -n $AWS_CONTAINER_CREDENTIALS_RELATIVE_URI ]] && [[ -z $INSTANCE_PROFILE ]]; then
PROFILE="INSTANCE-PROFILE"
AWS_ACCESS_KEY_ID=$(curl -s 169.254.170.2$AWS_CONTAINER_CREDENTIALS_RELATIVE_URI | grep AccessKeyId | cut -d':' -f2 | sed 's/[^0-9A-Z]*//g')
AWS_SECRET_ACCESS_KEY_ID=$(curl -s 169.254.170.2$AWS_CONTAINER_CREDENTIALS_RELATIVE_URI | grep SecretAccessKey | cut -d':' -f2 | sed 's/[^0-9A-Za-z/+=]*//g')
AWS_SESSION_TOKEN=$(curl -s 169.254.170.2$AWS_CONTAINER_CREDENTIALS_RELATIVE_URI grep Token| cut -d':' -f2 | sed 's/[^0-9A-Za-z/+=]*//g')
elif [[ $AWS_WEB_IDENTITY_TOKEN_FILE ]]; then
PROFILE=""
PROFILE_OPT=""
elif [[ $INSTANCE_PROFILE ]]; then
PROFILE="INSTANCE-PROFILE"
AWS_ACCESS_KEY_ID=$(curl -s http://169.254.169.254/latest/meta-data/iam/security-credentials/${INSTANCE_PROFILE} | grep AccessKeyId | cut -d':' -f2 | sed 's/[^0-9A-Z]*//g')
AWS_SECRET_ACCESS_KEY_ID=$(curl -s http://169.254.169.254/latest/meta-data/iam/security-credentials/${INSTANCE_PROFILE} | grep SecretAccessKey | cut -d':' -f2 | sed 's/[^0-9A-Za-z/+=]*//g')
AWS_SESSION_TOKEN=$(curl -s http://169.254.169.254/latest/meta-data/iam/security-credentials/${INSTANCE_PROFILE} grep Token| cut -d':' -f2 | sed 's/[^0-9A-Za-z/+=]*//g')
elif [[ $AWS_EXECUTION_ENV == "CloudShell" ]]; then
PROFILE_OPT=""
else
PROFILE="default"
if [[ $PROFILE ]]; then
PROFILE_OPT="--profile $PROFILE"
fi
# Backing up $PROFILE_OPT needed to renew assume_role
PROFILE_OPT_BAK=$PROFILE_OPT
# Set default region by aws config, fall back to us-east-1
REGION_CONFIG=$(aws configure get region)
if [[ $REGION_OPT ]]; then
REGION="$REGION_OPT"
elif [[ $REGION_CONFIG ]]; then
REGION="$REGION_CONFIG"
else
REGION="us-east-1"
fi
elif [[ $AWS_ACCESS_KEY_ID && $AWS_SECRET_ACCESS_KEY || $AWS_SESSION_TOKEN || $AWS_PROFILE ]];then
PROFILE="$AWS_PROFILE"
PROFILE_OPT=""
elif [[ -n $AWS_CONTAINER_CREDENTIALS_RELATIVE_URI ]] && [[ -z $INSTANCE_PROFILE ]]; then
PROFILE="INSTANCE-PROFILE"
AWS_ACCESS_KEY_ID=$(curl -s 169.254.170.2$AWS_CONTAINER_CREDENTIALS_RELATIVE_URI | grep AccessKeyId | cut -d':' -f2 | sed 's/[^0-9A-Z]*//g')
AWS_SECRET_ACCESS_KEY_ID=$(curl -s 169.254.170.2$AWS_CONTAINER_CREDENTIALS_RELATIVE_URI | grep SecretAccessKey | cut -d':' -f2 | sed 's/[^0-9A-Za-z/+=]*//g')
AWS_SESSION_TOKEN=$(curl -s 169.254.170.2$AWS_CONTAINER_CREDENTIALS_RELATIVE_URI grep Token| cut -d':' -f2 | sed 's/[^0-9A-Za-z/+=]*//g')
elif [[ $AWS_WEB_IDENTITY_TOKEN_FILE ]]; then
PROFILE=""
PROFILE_OPT=""
elif [[ $INSTANCE_PROFILE ]]; then
PROFILE="INSTANCE-PROFILE"
AWS_ACCESS_KEY_ID=$(curl -s http://169.254.169.254/latest/meta-data/iam/security-credentials/${INSTANCE_PROFILE} | grep AccessKeyId | cut -d':' -f2 | sed 's/[^0-9A-Z]*//g')
AWS_SECRET_ACCESS_KEY_ID=$(curl -s http://169.254.169.254/latest/meta-data/iam/security-credentials/${INSTANCE_PROFILE} | grep SecretAccessKey | cut -d':' -f2 | sed 's/[^0-9A-Za-z/+=]*//g')
AWS_SESSION_TOKEN=$(curl -s http://169.254.169.254/latest/meta-data/iam/security-credentials/${INSTANCE_PROFILE} grep Token| cut -d':' -f2 | sed 's/[^0-9A-Za-z/+=]*//g')
elif [[ $AWS_EXECUTION_ENV == "CloudShell" ]]; then
PROFILE_OPT=""
else
PROFILE="default"
PROFILE_OPT="--profile $PROFILE"
fi
# Backing up $PROFILE_OPT needed to renew assume_role
PROFILE_OPT_BAK=$PROFILE_OPT
# Set default region by aws config, fall back to us-east-1
REGION_CONFIG=$(aws configure get region)
if [[ $REGION_OPT ]]; then
REGION="$REGION_OPT"
elif [[ $REGION_CONFIG ]]; then
REGION="$REGION_CONFIG"
else
REGION="us-east-1"
fi
}
# Function to get all regions
get_regions() {
# Get list of regions based on include/whoami
if ! REGIONS=$($AWSCLI ec2 describe-regions \
--query 'Regions[].RegionName' \
--output text ${PROFILE_OPT} \
--region "${REGION_FOR_STS}" \
--region-names ${FILTERREGION//[,]/ } 2>&1)
then
echo "$OPTRED Access Denied trying to describe regions! Review permissions as described here: https://github.com/prowler-cloud/prowler/#requirements-and-installation $OPTNORMAL"
EXITCODE=1
exit $EXITCODE
fi
}