mirror of
https://github.com/minio/minio.git
synced 2024-12-25 22:55:54 -05:00
970ddb424b
consider `/var/run/secrets/kubernetes.io/serviceaccount` as system cert directory for container platform.
85 lines
2.1 KiB
Go
85 lines
2.1 KiB
Go
// +build !windows
|
|
|
|
/*
|
|
* MinIO Cloud Storage, (C) 2020 MinIO, Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package certs
|
|
|
|
import (
|
|
"crypto/x509"
|
|
"io/ioutil"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
)
|
|
|
|
// Possible directories with certificate files, this is an extended
|
|
// list from https://golang.org/src/crypto/x509/root_unix.go?#L18
|
|
// for k8s platform
|
|
var certDirectories = []string{
|
|
"/var/run/secrets/kubernetes.io/serviceaccount",
|
|
}
|
|
|
|
// readUniqueDirectoryEntries is like ioutil.ReadDir but omits
|
|
// symlinks that point within the directory.
|
|
func readUniqueDirectoryEntries(dir string) ([]os.FileInfo, error) {
|
|
fis, err := ioutil.ReadDir(dir)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
uniq := fis[:0]
|
|
for _, fi := range fis {
|
|
if !isSameDirSymlink(fi, dir) {
|
|
uniq = append(uniq, fi)
|
|
}
|
|
}
|
|
return uniq, nil
|
|
}
|
|
|
|
// isSameDirSymlink reports whether fi in dir is a symlink with a
|
|
// target not containing a slash.
|
|
func isSameDirSymlink(fi os.FileInfo, dir string) bool {
|
|
if fi.Mode()&os.ModeSymlink == 0 {
|
|
return false
|
|
}
|
|
target, err := os.Readlink(filepath.Join(dir, fi.Name()))
|
|
return err == nil && !strings.Contains(target, "/")
|
|
}
|
|
|
|
func loadSystemRoots() (*x509.CertPool, error) {
|
|
caPool, err := x509.SystemCertPool()
|
|
if err != nil {
|
|
return caPool, err
|
|
}
|
|
|
|
for _, directory := range certDirectories {
|
|
fis, err := readUniqueDirectoryEntries(directory)
|
|
if err != nil {
|
|
if os.IsNotExist(err) || os.IsPermission(err) {
|
|
return caPool, nil
|
|
}
|
|
return caPool, err
|
|
}
|
|
for _, fi := range fis {
|
|
data, err := ioutil.ReadFile(directory + "/" + fi.Name())
|
|
if err == nil {
|
|
caPool.AppendCertsFromPEM(data)
|
|
}
|
|
}
|
|
}
|
|
return caPool, nil
|
|
}
|