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Revert "[client] Drop signaling-side ICE candidate filter, drop overlay STUN at mux read-side instead (#6142)"

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This reverts commit b57f714350.

Restores the signaling-side ICE candidate filter and the engine/worker_ice
STUN gating that #6142 removed, re-adding the mux read-side changes in
udpmux/universal.go to their pre-#6142 form.
This commit is contained in:
Zoltán Papp
2026-06-24 21:29:05 +02:00
parent 8446713d28
commit 35ed69bfe7
14 changed files with 139 additions and 32 deletions
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client/internal/engine.go
+17
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@@ -54,6 +54,7 @@ import (
"github.com/netbirdio/netbird/client/internal/relay"
"github.com/netbirdio/netbird/client/internal/rosenpass"
"github.com/netbirdio/netbird/client/internal/routemanager"
"github.com/netbirdio/netbird/client/internal/routemanager/systemops"
"github.com/netbirdio/netbird/client/internal/statemanager"
"github.com/netbirdio/netbird/client/internal/syncstore"
"github.com/netbirdio/netbird/client/internal/updater"
@@ -1994,6 +1995,7 @@ func (e *Engine) newWgIface() (*iface.WGIface, error) {
WGPrivKey: e.config.WgPrivateKey.String(),
MTU: e.config.MTU,
TransportNet: transportNet,
FilterFn: e.addrViaRoutes,
DisableDNS: e.config.DisableDNS,
}
@@ -2248,6 +2250,21 @@ func (e *Engine) startNetworkMonitor() {
}()
}
func (e *Engine) addrViaRoutes(addr netip.Addr) (bool, netip.Prefix, error) {
var vpnRoutes []netip.Prefix
for _, routes := range e.routeManager.GetClientRoutes() {
if len(routes) > 0 && routes[0] != nil {
vpnRoutes = append(vpnRoutes, routes[0].Network)
}
}
if isVpn, prefix := systemops.IsAddrRouted(addr, vpnRoutes); isVpn {
return true, prefix, nil
}
return false, netip.Prefix{}, nil
}
func (e *Engine) stopDNSServer() {
if e.dnsServer == nil {
return