p2p secret

bridge/bridge.go

@@ -248,6 +248,8 @@ func (s *Bridge) typeDeal(typeVal string, c *conn.Conn, id int) {
 	case common.WORK_SECRET:
 		if b, err := c.GetShortContent(32); err == nil {
 			s.SecretChan <- conn.NewSecret(string(b), c)
+		} else {
+			logs.Error("secret error, failed to match the key successfully")
 		}
 	case common.WORK_FILE:
 		muxConn := mux.NewMux(c.Conn, s.tunnelType)
@@ -257,9 +259,9 @@ func (s *Bridge) typeDeal(typeVal string, c *conn.Conn, id int) {
 	case common.WORK_P2P:
 		//read md5 secret
 		if b, err := c.GetShortContent(32); err != nil {
-			return
+			logs.Error("p2p error,", err.Error())
 		} else if t := file.GetDb().GetTaskByMd5Password(string(b)); t == nil {
-			return
+			logs.Error("p2p error, failed to match the key successfully")
 		} else {
 			if v, ok := s.Client.Load(t.Client.Id); !ok {
 				return

client/control.go

@@ -357,19 +357,30 @@ func sendP2PTestMsg(remoteAddr string, localAddr string) (string, error) {
 		return "", err
 	}
 	localConn, err := newUdpConnByAddr(localAddr)
-	defer localConn.Close()
 	if err != nil {
 		return "", err
 	}
-	buf := make([]byte, 10)
-	for i := 20; i > 0; i-- {
-		logs.Trace("try send test packet to target %s", remoteAddr)
-		if _, err := localConn.WriteTo([]byte(common.WORK_P2P_CONNECT), remoteUdpAddr); err != nil {
-			return "", err
+	defer localConn.Close()
+	ticker := time.NewTicker(time.Millisecond * 500)
+	go func(ticker *time.Ticker) {
+		for {
+			select {
+			case <-ticker.C:
+				logs.Trace("try send test packet to target %s", remoteAddr)
+				if _, err := localConn.WriteTo([]byte(common.WORK_P2P_CONNECT), remoteUdpAddr); err != nil {
+					return
+				}
+			}
 		}
-		localConn.SetReadDeadline(time.Now().Add(time.Millisecond * 500))
+	}(ticker)
+	buf := make([]byte, 10)
+	for {
+		localConn.SetReadDeadline(time.Now().Add(time.Second * 30))
 		n, addr, err := localConn.ReadFromUDP(buf)
 		localConn.SetReadDeadline(time.Time{})
+		if err != nil {
+			break
+		}
 		switch string(buf[:n]) {
 		case common.WORK_P2P_SUCCESS:
 			for i := 20; i > 0; i-- {
@@ -391,9 +402,12 @@ func sendP2PTestMsg(remoteAddr string, localAddr string) (string, error) {
 					time.Sleep(time.Second)
 				}
 			}()
+		default:
+			continue
 		}
+		ticker.Stop()
 	}
-	localConn.Close()
+	ticker.Stop()
 	return "", errors.New("connect to the target failed, maybe the nat type is not support p2p")
 }
 

client/local.go

@@ -20,6 +20,7 @@ var (
 	muxSession  *mux.Mux
 	fileServer  []*http.Server
 	lock        sync.Mutex
+	hasP2PTry   bool
 )
 
 func CloseLocalServer() {
@@ -81,12 +82,18 @@ func handleP2PVisitor(localTcpConn net.Conn, config *config.CommonConfig, l *con
 restart:
 	lock.Lock()
 	if udpConn == nil {
-		newUdpConn(config, l)
+		if !hasP2PTry {
+			hasP2PTry = true
+			newUdpConn(config, l)
+		}
 		if udpConn == nil {
 			lock.Unlock()
+			logs.Notice("new conn, P2P can not penetrate successfully, traffic will be transferred through the server")
+			handleSecret(localTcpConn, config, l)
 			return
+		} else {
+			muxSession = mux.NewMux(udpConn, "kcp")
 		}
-		muxSession = mux.NewMux(udpConn, "kcp")
 	}
 	lock.Unlock()
 	logs.Trace("start trying to connect with the server")

server/server.go

@@ -66,10 +66,7 @@ func DealBridgeTask() {
 		case s := <-Bridge.SecretChan:
 			logs.Trace("New secret connection, addr", s.Conn.Conn.RemoteAddr())
 			if t := file.GetDb().GetTaskByMd5Password(s.Password); t != nil {
-				if !t.Client.GetConn() {
-					logs.Info("Connections exceed the current client %d limit", t.Client.Id)
-					s.Conn.Close()
-				} else if t.Status {
+				if t.Status {
 					go proxy.NewBaseServer(Bridge, t).DealClient(s.Conn, t.Client, t.Target.TargetStr, nil, common.CONN_TCP, nil, t.Flow, t.Target.LocalProxy)
 				} else {
 					s.Conn.Close()

web/views/index/add.html

@@ -121,7 +121,7 @@
     arr["socks5"] = ["type", "port", "compress", "u", "p", "socks5代理模式，内网socks5代理，配合proxifer，可如同使用vpn一样访问内网设备或资源，添加后会自动生成一个客户端验证key<br>在内网机器执行<span style='color: red'>./easyProxy -vkey=生成的key -server=公网服务器ip:下面设定的端口</span><br>建立成功后，在外网环境下本机配置socks5代理，即访问内网设备或者资源 "]
     arr["httpProxy"] = ["type", "port", "compress", "u", "p", " http代理模式，内网http代理，可访问内网网站，添加后会自动生成一个客户端验证key<br>在内网机器执行<span style='color: red'>./easyProxy -vkey=生成的key -server=公网服务器ip:下面设定的端口</span><br>建立成功后，在外网环境下本机配置http代理，即访问内网站点"]
     arr["secret"] = ["type", "target", "compress", "password", "u", "p", " http代理模式，内网http代理，可访问内网网站，添加后会自动生成一个客户端验证key<br>在内网机器执行<span style='color: red'>./easyProxy -vkey=生成的key -server=公网服务器ip:下面设定的端口</span><br>建立成功后，在外网环境下本机配置http代理，即访问内网站点"]
-    arr["p2p"] = ["type", "compress", "password", "u", "p", " http代理模式，内网http代理，可访问内网网站，添加后会自动生成一个客户端验证key<br>在内网机器执行<span style='color: red'>./easyProxy -vkey=生成的key -server=公网服务器ip:下面设定的端口</span><br>建立成功后，在外网环境下本机配置http代理，即访问内网站点"]
+    arr["p2p"] = ["type", "target", "compress", "password", "u", "p", " http代理模式，内网http代理，可访问内网网站，添加后会自动生成一个客户端验证key<br>在内网机器执行<span style='color: red'>./easyProxy -vkey=生成的key -server=公网服务器ip:下面设定的端口</span><br>建立成功后，在外网环境下本机配置http代理，即访问内网站点"]
     arr["file"] = ["type", "strip_pre", "local_path", "port", " http代理模式，内网http代理，可访问内网网站，添加后会自动生成一个客户端验证key<br>在内网机器执行<span style='color: red'>./easyProxy -vkey=生成的key -server=公网服务器ip:下面设定的端口</span><br>建立成功后，在外网环境下本机配置http代理，即访问内网站点"]
     arrClientHide = ["compress", "u", "p", "crypt", "mux"]
 

web/views/index/edit.html

@@ -120,7 +120,7 @@
     arr["socks5"] = ["type", "port", "compress", "u", "p"]
     arr["httpProxy"] = ["type", "port", "compress", "u", "p"]
     arr["secret"] = ["type", "target", "compress", "u", "p", "password"]
-    arr["p2p"] = ["type", "password"]
+    arr["p2p"] = ["type", "target", "password"]
     arr["file"] = ["type", "port", "local_path", "strip_pre"]
     arrClientHide = ["compress", "u", "p", "crypt", "mux"]
 

web/views/index/list.html

@@ -70,7 +70,7 @@
                     + '<b langtag="info-web-auth-username">basic权限认证用户名</b>：' + row.Client.Cnf.U + `&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp`
                     + '<b langtag="info-web-auth-password">basic权限认证密码</b>：' + row.Client.Cnf.P + `&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp`
             if (row.Mode == "p2p") {
-                return tmp + "<br/><br>" + '<b langtag="info-command">访问端命令</b>：' + "<code>./npc{{.win}} -server={{.ip}}:{{.p}} -vkey=" + row.Client.VerifyKey + " -type=" +{{.bridgeType}} +" -password=" + row.Password + " -target=your target" + "</code>"
+                return tmp + "<br/><br>" + '<b langtag="info-command">访问端命令</b>：' + "<code>./npc{{.win}} -server={{.ip}}:{{.p}} -vkey=" + row.Client.VerifyKey + " -type=" +{{.bridgeType}} +" -password=" + row.Password + " -target=" + row.Target.TargetStr + "</code>"
             }
             if (row.Mode = "secret") {
                 return tmp + "<br/><br>" + '<b langtag="info-command">访问端命令</b>：' + "<code>./npc{{.win}} -server={{.ip}}:{{.p}} -vkey=" + row.Client.VerifyKey + " -type=" +{{.bridgeType}} +" -password=" + row.Password + " -local_type=secret" + "</code>"