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58 lines
1.7 KiB
Go
58 lines
1.7 KiB
Go
// Copyright (c) 2015-2021 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 certs
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import (
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"crypto/x509"
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"io/ioutil"
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"os"
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"path"
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)
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// GetRootCAs - returns all the root CAs into certPool
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// at the input certsCADir
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func GetRootCAs(certsCAsDir string) (*x509.CertPool, error) {
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rootCAs, _ := loadSystemRoots()
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if rootCAs == nil {
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// In some systems system cert pool is not supported
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// or no certificates are present on the
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// system - so we create a new cert pool.
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rootCAs = x509.NewCertPool()
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}
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fis, err := ioutil.ReadDir(certsCAsDir)
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if err != nil {
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if os.IsNotExist(err) || os.IsPermission(err) {
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// Return success if CA's directory is missing or permission denied.
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return rootCAs, nil
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}
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return rootCAs, err
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}
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// Load all custom CA files.
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for _, fi := range fis {
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caCert, err := ioutil.ReadFile(path.Join(certsCAsDir, fi.Name()))
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if err == nil {
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rootCAs.AppendCertsFromPEM(caCert)
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}
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// ignore files which are not readable.
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}
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return rootCAs, nil
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}
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