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feat: client connect & disconnect log for server

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This commit is contained in:
Toby 2022-01-21 17:21:56 -08:00
parent 80b1ce33a2
commit 013e44a9c5
4 changed files with 36 additions and 10 deletions
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2
cmd/main.go
View File

@ -131,7 +131,7 @@ func initApp(c *cli.Context) error {
"version", "url",
"config", "file", "mode",
"addr", "src", "dst", "session", "action",
"error",
"msg", "error",
},
TimestampFormat: c.String("log-timestamp"),
})

23
cmd/server.go
View File

@ -128,6 +128,20 @@ func server(config *serverConfig) {
default:
logrus.WithField("mode", config.Auth.Mode).Fatal("Unsupported authentication mode")
}
connectFunc := func(addr net.Addr, auth []byte, sSend uint64, sRecv uint64) (bool, string) {
ok, msg := authFunc(addr, auth, sSend, sRecv)
if !ok {
logrus.WithFields(logrus.Fields{
"src": addr,
"msg": msg,
}).Info("Authentication failed, client rejected")
} else {
logrus.WithFields(logrus.Fields{
"src": addr,
}).Info("Client connected")
}
return ok, msg
}
// Obfuscator
var obfuscator obfs.Obfuscator
if len(config.Obfs) > 0 {
@ -169,7 +183,7 @@ func server(config *serverConfig) {
uint64(config.UpMbps)*mbpsToBps, uint64(config.DownMbps)*mbpsToBps,
func(refBPS uint64) congestion.CongestionControl {
return hyCongestion.NewBrutalSender(congestion.ByteCount(refBPS))
}, config.DisableUDP, aclEngine, obfuscator, authFunc,
}, config.DisableUDP, aclEngine, obfuscator, connectFunc, disconnectFunc,
tcpRequestFunc, tcpErrorFunc, udpRequestFunc, udpErrorFunc, promReg)
if err != nil {
logrus.WithField("error", err).Fatal("Failed to initialize server")
@ -181,6 +195,13 @@ func server(config *serverConfig) {
logrus.WithField("error", err).Fatal("Server shutdown")
}
func disconnectFunc(addr net.Addr, auth []byte, err error) {
logrus.WithFields(logrus.Fields{
"src": addr,
"error": err,
}).Info("Client disconnected")
}
func tcpRequestFunc(addr net.Addr, auth []byte, reqAddr string, action acl.Action, arg string) {
logrus.WithFields(logrus.Fields{
"src": addr.String(),

17
pkg/core/server.go
View File

@ -14,7 +14,8 @@ import (
"net"
)
type AuthFunc func(addr net.Addr, auth []byte, sSend uint64, sRecv uint64) (bool, string)
type ConnectFunc func(addr net.Addr, auth []byte, sSend uint64, sRecv uint64) (bool, string)
type DisconnectFunc func(addr net.Addr, auth []byte, err error)
type TCPRequestFunc func(addr net.Addr, auth []byte, reqAddr string, action acl.Action, arg string)
type TCPErrorFunc func(addr net.Addr, auth []byte, reqAddr string, err error)
type UDPRequestFunc func(addr net.Addr, auth []byte, sessionID uint32)
@ -27,7 +28,8 @@ type Server struct {
disableUDP bool
aclEngine *acl.Engine
authFunc AuthFunc
connectFunc ConnectFunc
disconnectFunc DisconnectFunc
tcpRequestFunc TCPRequestFunc
tcpErrorFunc TCPErrorFunc
udpRequestFunc UDPRequestFunc
@ -41,7 +43,8 @@ type Server struct {
func NewServer(addr string, protocol string, tlsConfig *tls.Config, quicConfig *quic.Config, transport transport2.Transport,
sendBPS uint64, recvBPS uint64, congestionFactory CongestionFactory, disableUDP bool, aclEngine *acl.Engine,
obfuscator obfs.Obfuscator, authFunc AuthFunc, tcpRequestFunc TCPRequestFunc, tcpErrorFunc TCPErrorFunc,
obfuscator obfs.Obfuscator, connectFunc ConnectFunc, disconnectFunc DisconnectFunc,
tcpRequestFunc TCPRequestFunc, tcpErrorFunc TCPErrorFunc,
udpRequestFunc UDPRequestFunc, udpErrorFunc UDPErrorFunc, promRegistry *prometheus.Registry) (*Server, error) {
pktConn, err := transport.QUICPacketConn(protocol, true, addr, "", obfuscator)
if err != nil {
@ -60,7 +63,8 @@ func NewServer(addr string, protocol string, tlsConfig *tls.Config, quicConfig *
congestionFactory: congestionFactory,
disableUDP: disableUDP,
aclEngine: aclEngine,
authFunc: authFunc,
connectFunc: connectFunc,
disconnectFunc: disconnectFunc,
tcpRequestFunc: tcpRequestFunc,
tcpErrorFunc: tcpErrorFunc,
udpRequestFunc: udpRequestFunc,
@ -118,8 +122,9 @@ func (s *Server) handleClient(cs quic.Session) {
sc := newServerClient(cs, s.transport, auth, s.disableUDP, s.aclEngine,
s.tcpRequestFunc, s.tcpErrorFunc, s.udpRequestFunc, s.udpErrorFunc,
s.upCounterVec, s.downCounterVec, s.connGaugeVec)
sc.Run()
err = sc.Run()
_ = cs.CloseWithError(closeErrorCodeGeneric, "")
s.disconnectFunc(cs.RemoteAddr(), auth, err)
}
// Auth & negotiate speed
@ -151,7 +156,7 @@ func (s *Server) handleControlStream(cs quic.Session, stream quic.Stream) ([]byt
serverRecvBPS = s.recvBPS
}
// Auth
ok, msg := s.authFunc(cs.RemoteAddr(), ch.Auth, serverSendBPS, serverRecvBPS)
ok, msg := s.connectFunc(cs.RemoteAddr(), ch.Auth, serverSendBPS, serverRecvBPS)
// Response
err = struc.Pack(stream, &serverHello{
OK: ok,

4
pkg/core/server_client.go
View File

@ -64,7 +64,7 @@ func newServerClient(cs quic.Session, transport transport.Transport, auth []byte
return sc
}
func (c *serverClient) Run() {
func (c *serverClient) Run() error {
if !c.DisableUDP {
go func() {
for {
@ -79,7 +79,7 @@ func (c *serverClient) Run() {
for {
stream, err := c.CS.AcceptStream(context.Background())
if err != nil {
break
return err
}
if c.ConnGauge != nil {
c.ConnGauge.Inc()