minio/pkg/certs/ca-certs.go
Harshavardhana 069432566f update license change for MinIO
Signed-off-by: Harshavardhana <harsha@minio.io>
2021-04-23 11:58:53 -07:00

58 lines
1.7 KiB
Go

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package certs
import (
"crypto/x509"
"io/ioutil"
"os"
"path"
)
// GetRootCAs - returns all the root CAs into certPool
// at the input certsCADir
func GetRootCAs(certsCAsDir string) (*x509.CertPool, error) {
rootCAs, _ := loadSystemRoots()
if rootCAs == nil {
// In some systems system cert pool is not supported
// or no certificates are present on the
// system - so we create a new cert pool.
rootCAs = x509.NewCertPool()
}
fis, err := ioutil.ReadDir(certsCAsDir)
if err != nil {
if os.IsNotExist(err) || os.IsPermission(err) {
// Return success if CA's directory is missing or permission denied.
return rootCAs, nil
}
return rootCAs, err
}
// Load all custom CA files.
for _, fi := range fis {
caCert, err := ioutil.ReadFile(path.Join(certsCAsDir, fi.Name()))
if err == nil {
rootCAs.AppendCertsFromPEM(caCert)
}
// ignore files which are not readable.
}
return rootCAs, nil
}