mirror of
https://github.com/netbirdio/netbird.git
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e2c2f64be7
- Add GetSelectedClientRoutes() to the route manager that filters through FilterSelectedExitNodes, returning only active routes instead of all management routes - Use GetSelectedClientRoutes() in the DNS route checker so deselected exit nodes' 0.0.0.0/0 no longer matches upstream DNS IPs — this prevented the resolver from switching away from the utun-bound socket after exit node deselection - Initialize iOS DNS server with host DNS fallback addresses (1.1.1.1:53, 1.0.0.1:53) and a permanent root zone handler, matching Android's behavior — without this, unmatched DNS queries arriving via the 0.0.0.0/0 tunnel route had no handler and were silently dropped
80 lines
1.5 KiB
Go
80 lines
1.5 KiB
Go
//go:build ios
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package notifier
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import (
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"net/netip"
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"slices"
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"sort"
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"strings"
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"sync"
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"github.com/netbirdio/netbird/client/internal/listener"
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"github.com/netbirdio/netbird/route"
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)
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type Notifier struct {
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currentPrefixes []string
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listener listener.NetworkChangeListener
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listenerMux sync.Mutex
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}
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func NewNotifier() *Notifier {
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return &Notifier{}
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}
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func (n *Notifier) SetListener(listener listener.NetworkChangeListener) {
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n.listenerMux.Lock()
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defer n.listenerMux.Unlock()
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n.listener = listener
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}
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func (n *Notifier) SetInitialClientRoutes([]*route.Route, []*route.Route) {
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// iOS doesn't care about initial routes
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}
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func (n *Notifier) OnNewRoutes(route.HAMap) {
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// Not used on iOS
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}
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func (n *Notifier) OnNewPrefixes(prefixes []netip.Prefix) {
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newNets := make([]string, 0)
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for _, prefix := range prefixes {
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newNets = append(newNets, prefix.String())
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}
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sort.Strings(newNets)
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if slices.Equal(n.currentPrefixes, newNets) {
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return
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}
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n.currentPrefixes = newNets
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n.notify()
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}
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func (n *Notifier) notify() {
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n.listenerMux.Lock()
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defer n.listenerMux.Unlock()
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if n.listener == nil {
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return
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}
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go func(l listener.NetworkChangeListener) {
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l.OnNetworkChanged(strings.Join(n.addIPv6RangeIfNeeded(n.currentPrefixes), ","))
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}(n.listener)
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}
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func (n *Notifier) GetInitialRouteRanges() []string {
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return nil
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}
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func (n *Notifier) addIPv6RangeIfNeeded(inputRanges []string) []string {
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for _, r := range inputRanges {
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if r == "0.0.0.0/0" {
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return append(slices.Clone(inputRanges), "::/0")
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}
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}
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return inputRanges
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}
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