4d60b71583
- Faster start up - Clearer error messages - Allow for more Gluetun-specific customization - DNSSEC validation is dropped for now (it's sort of unneeded) - Fix #137
45 lines
1.1 KiB
Go
45 lines
1.1 KiB
Go
package dns
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import (
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"net/netip"
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"time"
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"github.com/qdm12/dns/v2/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), otherwise
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// use the first DoT provider ipv4 address found.
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var targetIP netip.Addr
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if settings.ServerAddress.Compare(netip.AddrFrom4([4]byte{127, 0, 0, 1})) != 0 {
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targetIP = settings.ServerAddress
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} else {
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targetIP = settings.DoT.GetFirstPlaintextIPv4()
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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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const dialTimeout = 3 * time.Second
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settingsInternalDNS := nameserver.SettingsInternalDNS{
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IP: targetIP,
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Timeout: dialTimeout,
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}
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nameserver.UseDNSInternally(settingsInternalDNS)
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settingsSystemWide := nameserver.SettingsSystemDNS{
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IP: targetIP,
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ResolvPath: l.resolvConf,
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}
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err := nameserver.UseDNSSystemWide(settingsSystemWide)
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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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