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