mirror of
https://github.com/AdguardTeam/AdGuardHome.git
synced 2024-11-16 02:18:28 -07:00
48 lines
1.1 KiB
Go
48 lines
1.1 KiB
Go
package util
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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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"runtime"
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"github.com/AdguardTeam/golibs/log"
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)
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// LoadSystemRootCAs - load root CAs from the system
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// Return the x509 certificate pool object
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// Return nil if nothing has been found.
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// This means that Go.crypto will use its default algorithm to find system root CA list.
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// https://github.com/AdguardTeam/AdGuardHome/issues/1311
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func LoadSystemRootCAs() *x509.CertPool {
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if runtime.GOOS != "linux" {
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return nil
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}
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// Directories with the system root certificates, that aren't supported by Go.crypto
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dirs := []string{
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"/opt/etc/ssl/certs", // Entware
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}
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roots := x509.NewCertPool()
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for _, dir := range dirs {
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fis, err := ioutil.ReadDir(dir)
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if err != nil {
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if !os.IsNotExist(err) {
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log.Error("Opening directory: %s: %s", dir, err)
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}
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continue
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}
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rootsAdded := false
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for _, fi := range fis {
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data, err := ioutil.ReadFile(dir + "/" + fi.Name())
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if err == nil && roots.AppendCertsFromPEM(data) {
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rootsAdded = true
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}
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}
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if rootsAdded {
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return roots
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}
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}
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return nil
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}
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