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37 lines
1.8 KiB
Bash
37 lines
1.8 KiB
Bash
#!/usr/bin/env bash
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# Prowler - the handy cloud security tool (copyright 2018) by Toni de la Fuente
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy
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# of the License at http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software distributed
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# under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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# CONDITIONS OF ANY KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations under the License.
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# It checks -p optoin first and use it as profile, if not -p provided then
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# check environment variables and if not, it checks and loads credentials from
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# instance profile (metadata server) if runs in an EC2 instance
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if [[ $PROFILE ]]; then
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PROFILE_OPT="--profile $PROFILE"
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else
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# if Prowler runs insinde an AWS instance with IAM instance profile attached
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INSTANCE_PROFILE=$(curl -s -m 1 http://169.254.169.254/latest/meta-data/iam/security-credentials/)
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if [[ $INSTANCE_PROFILE ]]; then
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AWS_ACCESS_KEY_ID=$(curl -s http://169.254.169.254/latest/meta-data/iam/security-credentials/${INSTANCE_PROFILE} | grep AccessKeyId | cut -d':' -f2 | sed 's/[^0-9A-Z]*//g')
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AWS_SECRET_ACCESS_KEY_ID=$(curl -s http://169.254.169.254/latest/meta-data/iam/security-credentials/${INSTANCE_PROFILE} | grep SecretAccessKey | cut -d':' -f2 | sed 's/[^0-9A-Za-z/+=]*//g')
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AWS_SESSION_TOKEN=$(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')
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fi
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if [[ $AWS_ACCESS_KEY_ID && $AWS_SECRET_ACCESS_KEY || $AWS_SESSION_TOKEN ]];then
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PROFILE="ENV"
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PROFILE_OPT=""
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else
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PROFILE="default"
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PROFILE_OPT="--profile $PROFILE"
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fi
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fi
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