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09626d78ff
With this commit, MinIO generates root credentials automatically and deterministically if: - No root credentials have been set. - A KMS (KES) is configured. - API access for the root credentials is disabled (lockdown mode). Before, MinIO defaults to `minioadmin` for both the access and secret keys. Now, MinIO generates unique root credentials automatically on startup using the KMS. Therefore, it uses the KMS HMAC function to generate pseudo-random values. These values never change as long as the KMS key remains the same, and the KMS key must continue to exist since all IAM data is encrypted with it. Backward compatibility: This commit should not cause existing deployments to break. It only changes the root credentials of deployments that have a KMS configured (KES, not a static key) but have not set any admin credentials. Such implementations should be rare or not exist at all. Even if the worst case would be updating root credentials in mc or other clients used to administer the cluster. Root credentials are anyway not intended for regular S3 operations. Signed-off-by: Andreas Auernhammer <github@aead.dev>
32 lines
1.8 KiB
Go
32 lines
1.8 KiB
Go
// Copyright (c) 2015-2023 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package kms
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// Top level config constants for KMS
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const (
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EnvKMSSecretKey = "MINIO_KMS_SECRET_KEY"
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EnvKMSSecretKeyFile = "MINIO_KMS_SECRET_KEY_FILE"
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EnvKESEndpoint = "MINIO_KMS_KES_ENDPOINT" // One or multiple KES endpoints, separated by ','
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EnvKESKeyName = "MINIO_KMS_KES_KEY_NAME" // The default key name used for IAM data and when no key ID is specified on a bucket
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EnvKESAPIKey = "MINIO_KMS_KES_API_KEY" // Access credential for KES - API keys and private key / certificate are mutually exclusive
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EnvKESClientKey = "MINIO_KMS_KES_KEY_FILE" // Path to TLS private key for authenticating to KES with mTLS - usually prefer API keys
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EnvKESClientPassword = "MINIO_KMS_KES_KEY_PASSWORD" // Optional password to decrypt an encrypt TLS private key
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EnvKESClientCert = "MINIO_KMS_KES_CERT_FILE" // Path to TLS certificate for authenticating to KES with mTLS - usually prefer API keys
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EnvKESServerCA = "MINIO_KMS_KES_CAPATH" // Path to file/directory containing CA certificates to verify the KES server certificate
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)
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