Merge branch 'main' into feature/remote-debug

This commit is contained in:
Ali Amer
2025-09-30 14:38:28 -04:00
committed by GitHub
288 changed files with 8956 additions and 3121 deletions
+92 -20
View File
@@ -7,6 +7,7 @@ import (
"math/rand"
"net"
"net/netip"
"net/url"
"os"
"reflect"
"runtime"
@@ -17,8 +18,8 @@ import (
"time"
"github.com/hashicorp/go-multierror"
"github.com/pion/ice/v3"
"github.com/pion/stun/v2"
"github.com/pion/ice/v4"
"github.com/pion/stun/v3"
log "github.com/sirupsen/logrus"
"golang.zx2c4.com/wireguard/tun/netstack"
"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
@@ -28,12 +29,13 @@ import (
"github.com/netbirdio/netbird/client/firewall"
firewallManager "github.com/netbirdio/netbird/client/firewall/manager"
"github.com/netbirdio/netbird/client/iface"
"github.com/netbirdio/netbird/client/iface/bind"
"github.com/netbirdio/netbird/client/iface/device"
nbnetstack "github.com/netbirdio/netbird/client/iface/netstack"
"github.com/netbirdio/netbird/client/iface/udpmux"
"github.com/netbirdio/netbird/client/internal/acl"
"github.com/netbirdio/netbird/client/internal/debug"
"github.com/netbirdio/netbird/client/internal/dns"
dnsconfig "github.com/netbirdio/netbird/client/internal/dns/config"
"github.com/netbirdio/netbird/client/internal/dnsfwd"
"github.com/netbirdio/netbird/client/internal/ingressgw"
"github.com/netbirdio/netbird/client/internal/netflow"
@@ -134,6 +136,7 @@ type EngineConfig struct {
ProfileConfig *profilemanager.Config
LogFile string
MTU uint16
}
// Engine is a mechanism responsible for reacting on Signal and Management stream events and managing connections to the remote peers.
@@ -171,7 +174,7 @@ type Engine struct {
wgInterface WGIface
udpMux *bind.UniversalUDPMuxDefault
udpMux *udpmux.UniversalUDPMuxDefault
// networkSerial is the latest CurrentSerial (state ID) of the network sent by the Management service
networkSerial uint64
@@ -207,6 +210,10 @@ type Engine struct {
jobExecutor *jobexec.Executor
jobExecutorWG sync.WaitGroup
// WireGuard interface monitor
wgIfaceMonitor *WGIfaceMonitor
wgIfaceMonitorWg sync.WaitGroup
}
// Peer is an instance of the Connection Peer
@@ -343,16 +350,23 @@ func (e *Engine) Stop() error {
log.Errorf("failed to persist state: %v", err)
}
// Stop WireGuard interface monitor and wait for it to exit
e.wgIfaceMonitorWg.Wait()
return nil
}
// Start creates a new WireGuard tunnel interface and listens to events from Signal and Management services
// Connections to remote peers are not established here.
// However, they will be established once an event with a list of peers to connect to will be received from Management Service
func (e *Engine) Start() error {
func (e *Engine) Start(netbirdConfig *mgmProto.NetbirdConfig, mgmtURL *url.URL) error {
e.syncMsgMux.Lock()
defer e.syncMsgMux.Unlock()
if err := iface.ValidateMTU(e.config.MTU); err != nil {
return fmt.Errorf("invalid MTU configuration: %w", err)
}
if e.cancel != nil {
e.cancel()
}
@@ -401,6 +415,11 @@ func (e *Engine) Start() error {
}
e.dnsServer = dnsServer
// Populate DNS cache with NetbirdConfig and management URL for early resolution
if err := e.PopulateNetbirdConfig(netbirdConfig, mgmtURL); err != nil {
log.Warnf("failed to populate DNS cache: %v", err)
}
e.routeManager = routemanager.NewManager(routemanager.ManagerConfig{
Context: e.ctx,
PublicKey: e.config.WgPrivateKey.PublicKey().String(),
@@ -439,6 +458,8 @@ func (e *Engine) Start() error {
return fmt.Errorf("up wg interface: %w", err)
}
// if inbound conns are blocked there is no need to create the ACL manager
if e.firewall != nil && !e.config.BlockInbound {
e.acl = acl.NewDefaultManager(e.firewall)
@@ -454,7 +475,7 @@ func (e *Engine) Start() error {
StunTurn: &e.stunTurn,
InterfaceBlackList: e.config.IFaceBlackList,
DisableIPv6Discovery: e.config.DisableIPv6Discovery,
UDPMux: e.udpMux.UDPMuxDefault,
UDPMux: e.udpMux.SingleSocketUDPMux,
UDPMuxSrflx: e.udpMux,
NATExternalIPs: e.parseNATExternalIPMappings(),
}
@@ -471,6 +492,22 @@ func (e *Engine) Start() error {
// starting network monitor at the very last to avoid disruptions
e.startNetworkMonitor()
// monitor WireGuard interface lifecycle and restart engine on changes
e.wgIfaceMonitor = NewWGIfaceMonitor()
e.wgIfaceMonitorWg.Add(1)
go func() {
defer e.wgIfaceMonitorWg.Done()
if shouldRestart, err := e.wgIfaceMonitor.Start(e.ctx, e.wgInterface.Name()); shouldRestart {
log.Infof("WireGuard interface monitor: %s, restarting engine", err)
e.restartEngine()
} else if err != nil {
log.Warnf("WireGuard interface monitor: %s", err)
}
}()
return nil
}
@@ -662,6 +699,30 @@ func (e *Engine) removePeer(peerKey string) error {
return nil
}
// PopulateNetbirdConfig populates the DNS cache with infrastructure domains from login response
func (e *Engine) PopulateNetbirdConfig(netbirdConfig *mgmProto.NetbirdConfig, mgmtURL *url.URL) error {
if e.dnsServer == nil {
return nil
}
// Populate management URL if provided
if mgmtURL != nil {
if err := e.dnsServer.PopulateManagementDomain(mgmtURL); err != nil {
log.Warnf("failed to populate DNS cache with management URL: %v", err)
}
}
// Populate NetbirdConfig domains if provided
if netbirdConfig != nil {
serverDomains := dnsconfig.ExtractFromNetbirdConfig(netbirdConfig)
if err := e.dnsServer.UpdateServerConfig(serverDomains); err != nil {
return fmt.Errorf("update DNS server config from NetbirdConfig: %w", err)
}
}
return nil
}
func (e *Engine) handleSync(update *mgmProto.SyncResponse) error {
e.syncMsgMux.Lock()
defer e.syncMsgMux.Unlock()
@@ -693,6 +754,10 @@ func (e *Engine) handleSync(update *mgmProto.SyncResponse) error {
return fmt.Errorf("handle the flow configuration: %w", err)
}
if err := e.PopulateNetbirdConfig(wCfg, nil); err != nil {
log.Warnf("Failed to update DNS server config: %v", err)
}
// todo update signal
}
@@ -1001,7 +1066,6 @@ func (e *Engine) receiveManagementEvents() {
e.config.LazyConnectionEnabled,
)
// err = e.mgmClient.Sync(info, e.handleSync)
err = e.mgmClient.Sync(e.ctx, info, e.handleSync)
if err != nil {
// happens if management is unavailable for a long time.
@@ -1012,7 +1076,7 @@ func (e *Engine) receiveManagementEvents() {
}
log.Debugf("stopped receiving updates from Management Service")
}()
log.Debugf("connecting to Management Service updates stream")
log.Infof("connecting to Management Service updates stream")
}
func (e *Engine) updateSTUNs(stuns []*mgmProto.HostConfig) error {
@@ -1204,15 +1268,16 @@ func toRoutes(protoRoutes []*mgmProto.Route) []*route.Route {
}
convertedRoute := &route.Route{
ID: route.ID(protoRoute.ID),
Network: prefix.Masked(),
Domains: domain.FromPunycodeList(protoRoute.Domains),
NetID: route.NetID(protoRoute.NetID),
NetworkType: route.NetworkType(protoRoute.NetworkType),
Peer: protoRoute.Peer,
Metric: int(protoRoute.Metric),
Masquerade: protoRoute.Masquerade,
KeepRoute: protoRoute.KeepRoute,
ID: route.ID(protoRoute.ID),
Network: prefix.Masked(),
Domains: domain.FromPunycodeList(protoRoute.Domains),
NetID: route.NetID(protoRoute.NetID),
NetworkType: route.NetworkType(protoRoute.NetworkType),
Peer: protoRoute.Peer,
Metric: int(protoRoute.Metric),
Masquerade: protoRoute.Masquerade,
KeepRoute: protoRoute.KeepRoute,
SkipAutoApply: protoRoute.SkipAutoApply,
}
routes = append(routes, convertedRoute)
}
@@ -1378,7 +1443,7 @@ func (e *Engine) createPeerConn(pubKey string, allowedIPs []netip.Prefix, agentV
StunTurn: &e.stunTurn,
InterfaceBlackList: e.config.IFaceBlackList,
DisableIPv6Discovery: e.config.DisableIPv6Discovery,
UDPMux: e.udpMux.UDPMuxDefault,
UDPMux: e.udpMux.SingleSocketUDPMux,
UDPMuxSrflx: e.udpMux,
NATExternalIPs: e.parseNATExternalIPMappings(),
},
@@ -1584,7 +1649,7 @@ func (e *Engine) newWgIface() (*iface.WGIface, error) {
Address: e.config.WgAddr,
WGPort: e.config.WgPort,
WGPrivKey: e.config.WgPrivateKey.String(),
MTU: iface.DefaultMTU,
MTU: e.config.MTU,
TransportNet: transportNet,
FilterFn: e.addrViaRoutes,
DisableDNS: e.config.DisableDNS,
@@ -1643,7 +1708,14 @@ func (e *Engine) newDnsServer(dnsConfig *nbdns.Config) (dns.Server, error) {
return dnsServer, nil
default:
dnsServer, err := dns.NewDefaultServer(e.ctx, e.wgInterface, e.config.CustomDNSAddress, e.statusRecorder, e.stateManager, e.config.DisableDNS)
dnsServer, err := dns.NewDefaultServer(e.ctx, dns.DefaultServerConfig{
WgInterface: e.wgInterface,
CustomAddress: e.config.CustomDNSAddress,
StatusRecorder: e.statusRecorder,
StateManager: e.stateManager,
DisableSys: e.config.DisableDNS,
})
if err != nil {
return nil, err
}