/
root_unix.go
54 lines (47 loc) · 1.26 KB
/
root_unix.go
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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build dragonfly || freebsd || linux || nacl || netbsd || openbsd || solaris
// +build dragonfly freebsd linux nacl netbsd openbsd solaris
package system
import (
"crypto/x509"
"os"
)
// Possible directories with certificate files; stop after successfully
// reading at least one file from a directory.
var certDirectories = []string{
"/system/etc/security/cacerts", // Android
}
func initSystemRoots() []*x509.Certificate {
var roots []*x509.Certificate
for _, file := range certFiles {
data, err := os.ReadFile(file)
if err == nil {
roots, _ = appendPEM(roots, data)
return roots
}
}
for _, directory := range certDirectories {
fis, err := os.ReadDir(directory)
if err != nil {
continue
}
rootsAdded := false
for _, fi := range fis {
var ok bool
data, err := os.ReadFile(directory + "/" + fi.Name())
if err == nil {
if roots, ok = appendPEM(roots, data); ok {
rootsAdded = true
}
}
}
if rootsAdded {
return roots
}
}
// All of the files failed to load. systemRoots will be nil which will
// trigger a specific error at verification time.
return nil
}