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[client] Disable dnssec for systemd explicitly (#3831)

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Viktor Liu 2025-05-16 09:43:13 +02:00 committed by GitHub
parent 43ae79d848
commit b2a10780af
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1 changed files with 10 additions and 3 deletions
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13
client/internal/dns/systemd_linux.go
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@ -30,9 +30,12 @@ const (
systemdDbusSetDNSMethodSuffix = systemdDbusLinkInterface + ".SetDNS"
systemdDbusSetDefaultRouteMethodSuffix = systemdDbusLinkInterface + ".SetDefaultRoute"
systemdDbusSetDomainsMethodSuffix = systemdDbusLinkInterface + ".SetDomains"
systemdDbusSetDNSSECMethodSuffix = systemdDbusLinkInterface + ".SetDNSSEC"
systemdDbusResolvConfModeForeign = "foreign"
dbusErrorUnknownObject = "org.freedesktop.DBus.Error.UnknownObject"
dnsSecDisabled = "no"
)
type systemdDbusConfigurator struct {
@ -95,9 +98,13 @@ func (s *systemdDbusConfigurator) applyDNSConfig(config HostDNSConfig, stateMana
Family: unix.AF_INET,
Address: ipAs4[:],
}
err = s.callLinkMethod(systemdDbusSetDNSMethodSuffix, []systemdDbusDNSInput{defaultLinkInput})
if err != nil {
return fmt.Errorf("setting the interface DNS server %s:%d failed with error: %w", config.ServerIP, config.ServerPort, err)
if err = s.callLinkMethod(systemdDbusSetDNSMethodSuffix, []systemdDbusDNSInput{defaultLinkInput}); err != nil {
return fmt.Errorf("set interface DNS server %s:%d: %w", config.ServerIP, config.ServerPort, err)
}
// We don't support dnssec. On some machines this is default on so we explicitly set it to off
if err = s.callLinkMethod(systemdDbusSetDNSSECMethodSuffix, dnsSecDisabled); err != nil {
log.Warnf("failed to set DNSSEC to 'no': %v", err)
}
var (