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fix dns forwarder port update (#4613)

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fix dns forwarder port update (#4613)
This commit is contained in:
hakansa
2025-10-09 17:39:02 +03:00
committed by GitHub
parent 654aa9581d
commit 4e03f708a4
2 changed files with 13 additions and 11 deletions
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16
client/internal/dnsfwd/manager.go
View File

@@ -40,7 +40,6 @@ type Manager struct {
fwRules []firewall.Rule
tcpRules []firewall.Rule
dnsForwarder *DNSForwarder
port uint16
}
func ListenPort() uint16 {
@@ -49,11 +48,16 @@ func ListenPort() uint16 {
return listenPort
}
func NewManager(fw firewall.Manager, statusRecorder *peer.Status, port uint16) *Manager {
func SetListenPort(port uint16) {
listenPortMu.Lock()
listenPort = port
listenPortMu.Unlock()
}
func NewManager(fw firewall.Manager, statusRecorder *peer.Status) *Manager {
return &Manager{
firewall: fw,
statusRecorder: statusRecorder,
port: port,
}
}
@@ -67,12 +71,6 @@ func (m *Manager) Start(fwdEntries []*ForwarderEntry) error {
return err
}
if m.port > 0 {
listenPortMu.Lock()
listenPort = m.port
listenPortMu.Unlock()
}
m.dnsForwarder = NewDNSForwarder(fmt.Sprintf(":%d", ListenPort()), dnsTTL, m.firewall, m.statusRecorder)
go func() {
if err := m.dnsForwarder.Listen(fwdEntries); err != nil {

8
client/internal/engine.go
View File

@@ -1849,6 +1849,10 @@ func (e *Engine) updateDNSForwarder(
return
}
if forwarderPort > 0 {
dnsfwd.SetListenPort(forwarderPort)
}
if !enabled {
if e.dnsForwardMgr == nil {
return
@@ -1862,7 +1866,7 @@ func (e *Engine) updateDNSForwarder(
if len(fwdEntries) > 0 {
switch {
case e.dnsForwardMgr == nil:
e.dnsForwardMgr = dnsfwd.NewManager(e.firewall, e.statusRecorder, forwarderPort)
e.dnsForwardMgr = dnsfwd.NewManager(e.firewall, e.statusRecorder)
if err := e.dnsForwardMgr.Start(fwdEntries); err != nil {
log.Errorf("failed to start DNS forward: %v", err)
e.dnsForwardMgr = nil
@@ -1892,7 +1896,7 @@ func (e *Engine) restartDnsFwd(fwdEntries []*dnsfwd.ForwarderEntry, forwarderPor
if err := e.dnsForwardMgr.Stop(context.Background()); err != nil {
log.Errorf("failed to stop DNS forward: %v", err)
}
e.dnsForwardMgr = dnsfwd.NewManager(e.firewall, e.statusRecorder, forwarderPort)
e.dnsForwardMgr = dnsfwd.NewManager(e.firewall, e.statusRecorder)
if err := e.dnsForwardMgr.Start(fwdEntries); err != nil {
log.Errorf("failed to start DNS forward: %v", err)
e.dnsForwardMgr = nil