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Allow disabling IPv6 #751

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58 changes: 32 additions & 26 deletions internal/network/netif.go
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Original file line number Diff line number Diff line change
Expand Up @@ -239,6 +239,10 @@ func (s *NetworkInterfaceState) update() (DhcpTargetState, error) {
ipv4Addresses = append(ipv4Addresses, addr.IP)
ipv4AddressesString = append(ipv4AddressesString, addr.IPNet.String())
} else if addr.IP.To16() != nil {
if s.config.IPv6Mode.String == "disabled" {
continue
}

scopedLogger := s.l.With().Str("ipv6", addr.IP.String()).Logger()
// check if it's a link local address
if addr.IP.IsLinkLocalUnicast() {
Expand Down Expand Up @@ -287,35 +291,37 @@ func (s *NetworkInterfaceState) update() (DhcpTargetState, error) {
}
s.ipv4Addresses = ipv4AddressesString

if ipv6LinkLocal != nil {
if s.ipv6LinkLocal == nil || s.ipv6LinkLocal.String() != ipv6LinkLocal.String() {
scopedLogger := s.l.With().Str("ipv6", ipv6LinkLocal.String()).Logger()
if s.ipv6LinkLocal != nil {
scopedLogger.Info().
Str("old_ipv6", s.ipv6LinkLocal.String()).
Msg("IPv6 link local address changed")
} else {
scopedLogger.Info().Msg("IPv6 link local address found")
if s.config.IPv6Mode.String != "disabled" {
if ipv6LinkLocal != nil {
if s.ipv6LinkLocal == nil || s.ipv6LinkLocal.String() != ipv6LinkLocal.String() {
scopedLogger := s.l.With().Str("ipv6", ipv6LinkLocal.String()).Logger()
if s.ipv6LinkLocal != nil {
scopedLogger.Info().
Str("old_ipv6", s.ipv6LinkLocal.String()).
Msg("IPv6 link local address changed")
} else {
scopedLogger.Info().Msg("IPv6 link local address found")
}
s.ipv6LinkLocal = ipv6LinkLocal
changed = true
}
s.ipv6LinkLocal = ipv6LinkLocal
changed = true
}
}
s.ipv6Addresses = ipv6Addresses

if len(ipv6Addresses) > 0 {
// compare the addresses to see if there's a change
if s.ipv6Addr == nil || s.ipv6Addr.String() != ipv6Addresses[0].Address.String() {
scopedLogger := s.l.With().Str("ipv6", ipv6Addresses[0].Address.String()).Logger()
if s.ipv6Addr != nil {
scopedLogger.Info().
Str("old_ipv6", s.ipv6Addr.String()).
Msg("IPv6 address changed")
} else {
scopedLogger.Info().Msg("IPv6 address found")
s.ipv6Addresses = ipv6Addresses

if len(ipv6Addresses) > 0 {
// compare the addresses to see if there's a change
if s.ipv6Addr == nil || s.ipv6Addr.String() != ipv6Addresses[0].Address.String() {
scopedLogger := s.l.With().Str("ipv6", ipv6Addresses[0].Address.String()).Logger()
if s.ipv6Addr != nil {
scopedLogger.Info().
Str("old_ipv6", s.ipv6Addr.String()).
Msg("IPv6 address changed")
} else {
scopedLogger.Info().Msg("IPv6 address found")
}
s.ipv6Addr = &ipv6Addresses[0].Address
changed = true
}
s.ipv6Addr = &ipv6Addresses[0].Address
changed = true
}
}

Expand Down
2 changes: 1 addition & 1 deletion internal/network/rpc.go
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Original file line number Diff line number Diff line change
Expand Up @@ -65,7 +65,7 @@ func (s *NetworkInterfaceState) IPv6LinkLocalAddress() string {
func (s *NetworkInterfaceState) RpcGetNetworkState() RpcNetworkState {
ipv6Addresses := make([]RpcIPv6Address, 0)

if s.ipv6Addresses != nil {
if s.ipv6Addresses != nil && s.config.IPv6Mode.String != "disabled" {
for _, addr := range s.ipv6Addresses {
ipv6Addresses = append(ipv6Addresses, RpcIPv6Address{
Address: addr.Prefix.String(),
Expand Down
2 changes: 1 addition & 1 deletion ui/src/components/Ipv6NetworkCard.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,7 @@ export default function Ipv6NetworkCard({
</h3>

<div className="grid grid-cols-2 gap-x-6 gap-y-2">
{networkState?.dhcp_lease?.ip && (
{networkState?.ipv6_link_local && (
<div className="flex flex-col justify-between">
<span className="text-sm text-slate-600 dark:text-slate-400">
Link-local
Expand Down
2 changes: 1 addition & 1 deletion ui/src/routes/devices.$id.settings.network.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -419,7 +419,7 @@ export default function SettingsNetworkRoute() {
value={networkSettings.ipv6_mode}
onChange={e => handleIpv6ModeChange(e.target.value)}
options={filterUnknown([
// { value: "disabled", label: "Disabled" },
{ value: "disabled", label: "Disabled" },
{ value: "slaac", label: "SLAAC" },
// { value: "dhcpv6", label: "DHCPv6" },
// { value: "slaac_and_dhcpv6", label: "SLAAC and DHCPv6" },
Expand Down