47 lines
1.3 KiB
Go
47 lines
1.3 KiB
Go
package dns
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import (
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"net/netip"
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"github.com/qdm12/dns/pkg/nameserver"
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)
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func (l *Loop) useUnencryptedDNS(fallback bool) {
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settings := l.GetSettings()
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// Try with user provided plaintext ip address
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// if it's not 127.0.0.1 (default for DoT)
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targetIP := settings.ServerAddress
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if targetIP.Compare(netip.AddrFrom4([4]byte{127, 0, 0, 1})) != 0 {
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if fallback {
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l.logger.Info("falling back on plaintext DNS at address " + targetIP.String())
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} else {
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l.logger.Info("using plaintext DNS at address " + targetIP.String())
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}
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nameserver.UseDNSInternally(targetIP.AsSlice())
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err := nameserver.UseDNSSystemWide(l.resolvConf, targetIP.AsSlice(), *settings.KeepNameserver)
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if err != nil {
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l.logger.Error(err.Error())
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}
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return
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}
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// Use first plaintext DNS IPv4 address
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targetIP, err := settings.DoT.Unbound.GetFirstPlaintextIPv4()
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if err != nil {
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// Unbound should always have a default provider
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panic(err)
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}
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if fallback {
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l.logger.Info("falling back on plaintext DNS at address " + targetIP.String())
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} else {
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l.logger.Info("using plaintext DNS at address " + targetIP.String())
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}
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nameserver.UseDNSInternally(targetIP.AsSlice())
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err = nameserver.UseDNSSystemWide(l.resolvConf, targetIP.AsSlice(), *settings.KeepNameserver)
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if err != nil {
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l.logger.Error(err.Error())
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}
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}
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