ing

api/module/discovery/model/discovery.go

@@ -10,10 +10,15 @@ type DiscoveryHost struct {
 	FirstScanRange string   `json:"firstScanRange"`
 	LastScanRange  string   `json:"lastScanRange"`
 	ExcludeHosts   []string `json:"excludeHosts"`
+	IncludeHosts   []string `json:"includeHosts"`
 
 	DiscoveryPort *DiscoveryPort `json:"discoveryPort"`
 }
 
+func (dh *DiscoveryHost) Contains(ip string) bool {
+
+}
+
 type DiscoveryPort struct {
 	FirstScanRange int   `json:"firstScanRange"`
 	LastScanRange  int   `json:"lastScanRange"`

api/module/discovery/model/zone.go

@@ -1,9 +1,33 @@
 package model
 
+import "sync"
+
 type Zone struct {
 	ID      int    `json:"id,omitempty"`
 	Network string `json:"network"`
 	IP      string `json:"ip"`
 	Iface   string `json:"iface"`
 	Mac     string `json:"mac"`
+
+	hosts map[string]*Host
+	mtx   sync.RWMutex
+}
+
+func (z *Zone) AddHost(h *Host) {
+	z.mtx.Lock()
+	defer z.mtx.Unlock()
+	if nil == z.hosts {
+		z.hosts = make(map[string]*Host)
+	}
+	z.hosts[h.IP] = h
+}
+
+func (z *Zone) GetHost(ip string) *Host {
+	z.mtx.RLock()
+	defer z.mtx.RUnlock()
+
+	if nil == z.hosts {
+		return nil
+	}
+	return z.hosts[ip]
 }

commons/pcap/packet.go

@@ -99,7 +99,6 @@ func handlePacketUDP(ps *pCapScan, packet gopacket.Packet) {
 
 	chs, ok := ps.udpListenerChans[ip]
 	if ok {
-
 		for _, ch := range chs {
 			ch <- packet
 		}

discovery/discovery.go

@@ -100,6 +100,7 @@ func (d *discovery) discoverHost(zone *model.Zone, dh *model.DiscoveryHost) {
 		},
 		func(result interface{}) {
 			h := result.(*model.Host)
+			zone.AddHost(h)
 			logging.Logger().Info(fmt.Sprintf("host: %v", h))
 			if nil != dh.DiscoveryPort {
 				d.discoverPort(h, dh.DiscoveryPort)

discovery/ipv4/host.go

@@ -99,13 +99,14 @@ func sendARP(ps pcap.PCapScanner, zone *model.Zone, hostRanges []net.IP, stopCha
 			return err
 		}
 
+		timer := time.NewTimer(time.Microsecond * 100)
+
 		select {
 		case <-stopChan:
 			return nil
-		default:
+		case <-timer.C:
 		}
 
-		time.Sleep(time.Microsecond * 100)
 	}
 	return nil
 }

discovery/ipv4/port_tcp.go

@@ -33,6 +33,8 @@ func scanPortTCP(host *model.Host, dp *model.DiscoveryPort, resultChan chan inte
 	}()
 
 	go func() {
+		ports := make(map[int]*model.Port)
+
 		for {
 			select {
 			case packet, ok := <-tcpChan:
@@ -40,7 +42,7 @@ func scanPortTCP(host *model.Host, dp *model.DiscoveryPort, resultChan chan inte
 					logging.Logger().Debug(fmt.Sprintf("Discovery: tcp channel is closed"))
 					return
 				}
-				if p := handlePacketTCP(host, packet); nil != p {
+				if p := handlePacketTCP(host, ports, packet); nil != p {
 					resultChan <- p
 				}
 			case <-stopChan:
@@ -94,20 +96,19 @@ Loop:
 			return err
 		}
 
+		timer := time.NewTimer(time.Microsecond * 100)
+
 		select {
 		case <-stopChan:
 			return nil
-		default:
+		case <-timer.C:
 		}
-
-		time.Sleep(time.Microsecond * 100)
-
 	}
 
 	return nil
 }
 
-func handlePacketTCP(host *model.Host, packet *layers.TCP) *model.Port {
+func handlePacketTCP(host *model.Host, ports map[int]*model.Port, packet *layers.TCP) *model.Port {
 	if nil == packet || packet.DstPort != 60000 {
 		return nil
 	}
@@ -117,6 +118,17 @@ func handlePacketTCP(host *model.Host, packet *layers.TCP) *model.Port {
 	}
 
 	portNumber := int(packet.SrcPort)
+
+	if _, ok := ports[portNumber]; ok || !cr.Contains(ip) {
+		return nil
+	}
+	h := &model.Host{}
+	h.IP = ip.String()
+	h.Mac = net.HardwareAddr(packet.SourceHwAddress).String()
+	h.Zone = zone
+
+	hosts[ip.String()] = h
+
 	p := &model.Port{
 		PortType:   model.PortTypeTCP,
 		PortNumber: portNumber,

discovery/ipv4/port_udp.go

@@ -9,6 +9,7 @@ import (
 	"git.loafle.net/commons_go/logging"
 	"git.loafle.net/overflow/overflow_discovery/api/module/discovery/model"
 	"git.loafle.net/overflow/overflow_discovery/commons/pcap"
+	"git.loafle.net/overflow/overflow_discovery/service"
 	"github.com/google/gopacket"
 	"github.com/google/gopacket/layers"
 )
@@ -37,7 +38,7 @@ func scanPortUDP(host *model.Host, dp *model.DiscoveryPort, resultChan chan inte
 			select {
 			case packet, ok := <-udpChan:
 				if !ok {
-					logging.Logger().Debug(fmt.Sprintf("Discovery: tcp channel is closed"))
+					logging.Logger().Debug(fmt.Sprintf("Discovery: udp channel is closed"))
 					return
 				}
 				if p := handlePacketUDP(host, packet); nil != p {
@@ -65,15 +66,23 @@ func scanPortUDP(host *model.Host, dp *model.DiscoveryPort, resultChan chan inte
 }
 
 func sendUDP(host *model.Host, dp *model.DiscoveryPort, stopChan chan struct{}) error {
-	tcpPacket, err := makePacketPortTCP(host)
+	ip := net.ParseIP(host.IP)
-	if nil != err {
+	if nil == ip {
+		return fmt.Errorf("Discovery: IP(%s) of host is not valid", host.IP)
+	}
+
+	ms := service.GetUDPMatchers()
+
+	conn, err := net.ListenUDP("udp", &net.UDPAddr{IP: net.IPv4zero, Port: 0})
+	if err != nil {
 		return err
 	}
 	defer func() {
-		tcpPacket.PacketConn.Close()
+		conn.Close()
 	}()
 
-	buf := gopacket.NewSerializeBuffer()
+	for indexI := 0; indexI < len(ms); indexI++ {
+		m := ms[indexI]
 
 	Loop:
 		for portNumber := dp.FirstScanRange; portNumber < dp.LastScanRange; portNumber++ {
@@ -84,91 +93,54 @@ Loop:
 					}
 				}
 			}
-		tcpPacket.TCP.DstPort = layers.TCPPort(portNumber)
-		tcpPacket.TCP.SetNetworkLayerForChecksum(tcpPacket.IP)
 
-		if err := gopacket.SerializeLayers(buf, tcpPacket.Opts, tcpPacket.TCP); err != nil {
+			if !m.IsSend(portNumber) {
-			return err
+				continue
 			}
-		if _, err := tcpPacket.PacketConn.WriteTo(buf.Bytes(), &net.IPAddr{IP: tcpPacket.IP.DstIP}); err != nil {
+
-			return err
+			addr := &net.UDPAddr{IP: ip.To4(), Port: portNumber}
+			for i := 0; i < m.PacketCount(); i++ {
+				p := m.Packet(i)
+				if _, err := conn.WriteToUDP(p.Buffer, addr); err != nil {
+					logging.Logger().Error(fmt.Sprintf("Discovery: UDP write error %v", err))
 				}
+			}
+
+			timer := time.NewTimer(time.Microsecond * 200)
 
 			select {
 			case <-stopChan:
 				return nil
-		default:
+			case <-timer.C:
+			}
 		}
-
-		time.Sleep(time.Microsecond * 100)
-
 	}
 
 	return nil
 }
 
-func handlePacketUDP(host *model.Host, packet *layers.TCP) *model.Port {
+func handlePacketUDP(host *model.Host, packet gopacket.Packet) *model.Port {
-	if nil == packet || packet.DstPort != 60000 {
+	ipLayer := packet.Layer(layers.LayerTypeIPv4)
+
+	if ipLayer.(*layers.IPv4).SrcIP.String() == host.Zone.IP {
 		return nil
 	}
 
-	if packet.RST {
+	if net := packet.NetworkLayer(); net == nil {
-		return nil
+	} else if udpLayer := packet.Layer(layers.LayerTypeUDP); udpLayer == nil {
-	}
+	} else if udp, ok := udpLayer.(*layers.UDP); ok {
+
+		srcIP := ipLayer.(*layers.IPv4).SrcIP
+		port := int(udp.SrcPort)
+		logging.Logger().Debug(fmt.Sprintf("Discovery: IP of UPD(%d) src %v", port, srcIP))
 
-	portNumber := int(packet.SrcPort)
 		p := &model.Port{
-		PortType:   model.PortTypeTCP,
+			PortType:   model.PortTypeUDP,
-		PortNumber: portNumber,
+			PortNumber: port,
 		}
 		p.Host = host
-
 		return p
 	}
 
-type PortPacketTCP struct {
+	return nil
-	IP         *layers.IPv4
-	TCP        *layers.TCP
-	Opts       gopacket.SerializeOptions
-	PacketConn net.PacketConn
-}
-
-func makePacketPortTCP(host *model.Host) (*PortPacketTCP, error) {
-	packetTCP := &PortPacketTCP{}
-
-	srcIP := net.ParseIP(host.Zone.IP)
-	if nil == srcIP {
-		return nil, fmt.Errorf("Discovery: IP(%s) of zone is not valid", host.Zone.IP)
-	}
-	dstIP := net.ParseIP(host.IP)
-	if nil == dstIP {
-		return nil, fmt.Errorf("Discovery: IP(%s) of host is not valid", host.IP)
-	}
-
-	packetTCP.IP = &layers.IPv4{
-		SrcIP:    srcIP.To4(),
-		DstIP:    dstIP.To4(),
-		Version:  4,
-		TTL:      64,
-		Protocol: layers.IPProtocolTCP,
-	}
-	packetTCP.TCP = &layers.TCP{
-		SrcPort: 60000,
-		DstPort: 0, // will be incremented during the scan
-		SYN:     true,
-		Seq:     0,
-	}
-	packetTCP.Opts = gopacket.SerializeOptions{
-		ComputeChecksums: true,
-		FixLengths:       true,
-	}
-
-	conn, err := net.ListenPacket("ip4:tcp", "0.0.0.0")
-	if err != nil {
-		return nil, fmt.Errorf("Discovery: SYN create socket error %v", err)
-	}
-
-	packetTCP.PacketConn = conn
-
-	return packetTCP, nil
 }

discovery/service/match/activedirectory/activedirectory_test.go

@@ -1,79 +0,0 @@
-package activedirectory
-
-import (
-	"crypto/tls"
-	"net"
-	"testing"
-	"fmt"
-	"git.loafle.net/overflow/overflow_discovery/service/matcher"
-)
-
-func TestADNor(t *testing.T) {
-	client, err := net.Dial("tcp", "192.168.1.15:389")
-
-	if err != nil {
-		t.Log(err)
-	}
-
-	defer client.Close()
-
-	dDRun(client, t)
-}
-
-func TestADTLS(t *testing.T) {
-	conn, err := tls.Dial(
-		"tcp",
-		"192.168.1.1:636",
-		&tls.Config{
-			InsecureSkipVerify: true,
-			ServerName:         "192.168.1.1",
-		},
-	)
-
-	if err != nil {
-		t.Log(err)
-		return
-	}
-
-	defer conn.Close()
-
-	dDRun(conn, t)
-}
-
-func dDRun(client net.Conn, t *testing.T) {
-
-	lm := NewActiveDirectoryMatcher()
-
-	//port := types.NewPort("389", types.NewHost("192.168.1.1"), types.TYPE_TCP)
-	//
-	//var ipport string
-	//ipport = port.Host.Ip + ":" + string(port.Port)
-	//
-	//fmt.Println(ipport)
-	//
-	//fmt.Println(lm.PacketCount())
-
-	for ii := 0; ii < lm.PacketCount(); ii++ {
-
-		pack := lm.Packet(ii)
-
-		fmt.Println(pack)
-
-		client.Write(pack.Buffer)
-
-		bytes := make([]byte, 1024)
-
-		read, _ := client.Read(bytes)
-
-		fmt.Println(bytes)
-
-		b := lm.Match(ii, matcher.NewPacket(bytes, read), nil)
-
-		if b {
-			fmt.Println("Good")
-		}
-
-	}
-
-
-}

discovery/service/match/cassandra/cassandra_test.go

@@ -1,73 +0,0 @@
-package cassandra
-
-import (
-	"crypto/tls"
-	"git.loafle.net/overflow/overflow_discovery/service/matcher"
-	"net"
-	"testing"
-)
-
-func TestCassandra(t *testing.T) {
-
-	m := NewCassandraMatcher()
-
-	conn, err := net.Dial("tcp", "192.168.1.16:19042")
-	if err != nil {
-		t.Error(err)
-		return
-	}
-	defer conn.Close()
-
-	for i := 0; i < m.PacketCount(); i++ {
-
-		pack := m.Packet(i)
-		conn.Write(pack.Buffer)
-		bytes := make([]byte, 1024)
-		n, _ := conn.Read(bytes)
-		p := matcher.NewPacket(bytes, n)
-
-		if m.Match(i, p, nil) {
-			t.Log("Cassandra found")
-			return
-		}
-
-		t.Error("Cassandra not found")
-	}
-
-}
-
-func TestCassandraTLS(t *testing.T) {
-
-	m := NewCassandraMatcher()
-
-	conn, err := tls.Dial(
-		"tcp",
-		"192.168.1.16:19042",
-		&tls.Config{
-			InsecureSkipVerify: true,
-			ServerName:         "192.168.1.16",
-		},
-	)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	defer conn.Close()
-
-	for i := 0; i < m.PacketCount(); i++ {
-
-		pack := m.Packet(i)
-		conn.Write(pack.Buffer)
-		bytes := make([]byte, 1024)
-		n, _ := conn.Read(bytes)
-		p := matcher.NewPacket(bytes, n)
-
-		if m.Match(i, p, nil) {
-			t.Log("Cassandra found")
-			return
-		}
-
-		t.Error("Cassandra not found")
-	}
-
-}

discovery/service/match/dns/dns_test.go

@@ -1,33 +0,0 @@
-package dns
-
-import (
-	"git.loafle.net/overflow/overflow_discovery/service/matcher"
-	"net"
-	"testing"
-)
-
-func TestDns(t *testing.T) {
-	m := NewDnsMatcher()
-
-	conn, _ := net.Dial("udp", "168.126.63.1:53")
-
-	defer conn.Close()
-
-	for i := 0; i < m.PacketCount(); i++ {
-		if m.IsSend(53) != true {
-			t.Error("not port")
-		}
-		pack := m.Packet(i)
-		conn.Write(pack.Buffer)
-		bytes := make([]byte, 1024)
-		n, _ := conn.Read(bytes)
-		p := matcher.NewPacket(bytes, n)
-
-		if m.Match(i, p, nil) {
-			t.Log("dns found")
-			return
-		}
-
-		t.Error("dns not found")
-	}
-}

discovery/service/match/ftp/ftp_test.go

@@ -1,234 +0,0 @@
-package ftp
-
-import (
-	"fmt"
-	"testing"
-	"git.loafle.net/overflow/overflow_discovery/model/scaninfo"
-	"git.loafle.net/overflow/overflow_discovery/service/matcher"
-
-	"net"
-)
-
-//type FTP struct {
-//    conn net.Conn
-//    addr string
-//
-//    reader *bufio.Reader
-//    writer *bufio.Writer
-//}
-//
-//func (ftp *FTP) Close()  {
-//    ftp.conn.Close()
-//}
-//
-//func Connect(addr string) (*FTP, error)  {
-//    var err error
-//    var conn net.Conn
-//
-//    if conn, err = net.Dial("tcp", addr); err != nil {
-//        return nil, err
-//    }
-//
-//    writer := bufio.NewWriter(conn)
-//    reader := bufio.NewReader(conn)
-//
-//    obj := &FTP{
-//        conn:conn,
-//        addr:addr,
-//        reader:reader,
-//        writer:writer,
-//    }
-//    recv, _ := obj.receive()
-//
-//    fmt.Println(recv)
-//
-//    return obj, nil
-//
-//}
-//
-//func (ftp *FTP) receive() (string, error) {
-//    line, err := ftp.receiveLine()
-//
-//    if err != nil {
-//        return line, err
-//    }
-//
-//    fmt.Println("len : ", len(line))
-//    fmt.Println("line[3] :", line[3])
-//    //
-//    //if (len(line) >= 4) && (line[3] == '-') {
-//    //    closingCode := line[:3] + " "
-//    //
-//    //    for {
-//    //        str, err := ftp.receiveLine()
-//    //        fmt.Println("str pre: ", str)
-//    //        line = line + str
-//    //        fmt.Println("str after: ", line)
-//    //        if err != nil {
-//    //            return line, err
-//    //        }
-//    //
-//    //        if len(str) < 4 {
-//    //            fmt.Println("Uncorrectly terminated response")
-//    //        }else {
-//    //            if str[:4] == closingCode {
-//    //                break
-//    //            }
-//    //        }
-//    //    }
-//    //}
-//
-//    ftp.ReadAndDiscard()
-//
-//    fmt.Println("receive line: ", line)
-//    return line, err
-//}
-//
-//func (ftp *FTP) ReadAndDiscard() (int, error) {
-//    var i int
-//    bufferSize := ftp.reader.Buffered()
-//
-//    for i = 0; i < bufferSize ; i++  {
-//        if _, err := ftp.reader.ReadByte(); err != nil {
-//            return i, err
-//        }
-//    }
-//
-//    return i, nil
-//}
-//
-//func (ftp *FTP) send(command string, arguments ...interface{}) error {
-//
-//    command = fmt.Sprintf(command)
-//    command += "\r\n"
-//
-//    if _, err := ftp.writer.WriteString(command); err != nil {
-//        return err
-//    }
-//
-//    if err := ftp.writer.Flush(); err != nil {
-//        return err
-//    }
-//
-//    return nil
-//}
-//
-//func (ftp *FTP) cmd(expects string, command string, args ...interface{}) (line string, err error)  {
-//
-//    if err = ftp.send(command, args); err != nil {
-//        return
-//    }
-//
-//    if line, err = ftp.receive(); err != nil {
-//        return
-//    }
-//
-//
-//    if !strings.HasPrefix(line, expects) {
-//        err = errors.New(line)
-//        return
-//    }
-//
-//    return
-//}
-//
-//func (ftp *FTP) receiveLine() (string, error)  {
-//    line, err := ftp.reader.ReadString('\n')
-//
-//    log.Printf("< %s", line)
-//
-//    return line, err
-//}
-//
-//func (ftp *FTP) Syst() (line string, err error) {
-//    if err := ftp.send("SYST"); err != nil {
-//        return "", err
-//    }
-//
-//    if line, err = ftp.receive(); err != nil {
-//        return
-//    }
-//
-//    if !strings.HasPrefix(line, "215") {
-//        err = errors.New(line)
-//        return
-//    }
-//
-//    return strings.SplitN(strings.TrimSpace(line), " ", 2)[1], nil
-//}
-
-//func TestFtp(t *testing.T)  {
-//    var err error
-//    var ftp *FTP
-//    //var f *FTPMatcher
-//
-//    if ftp, err = Connect("192.168.1.202:21"); err != nil {
-//        panic(err)
-//    }
-//
-//    //f.Match(0, nil,nil)
-//    ftp.Syst()
-//    ftp.cmd("503","PASS ")
-//    ftp.cmd("221","QUIT")
-//    defer ftp.Close()
-//}
-
-func TestMatchFTP(t *testing.T) {
-	ftm := NewFTPMatcher()
-	//fmt.Println(ftm)
-	//fmt.Println(ftm.sendPackets[0])
-
-	//log.LoadLogConfig("../../../../../../../../bin/log.xml")
-	//defer log.Flush()
-
-	//port := types.NewPort("21", types.NewHost("192.168.1.202"), types.TYPE_TCP)
-
-	info := scaninfo.NewScanInfoImpl("192.168.1.15","21")
-	//
-	//var ipport string
-	//ipport = port.Host.Ip + ":" + string(port.Port)
-	//
-	//log.Debug(ipport)
-
-	client, _ := net.Dial("tcp", "192.168.1.15:21")
-
-	defer client.Close()
-
-	//reader := bufio.NewReader(client)
-	//writer := bufio.NewWriter(client)
-
-	fmt.Println(ftm.PacketCount())
-	//fmt.Println(reader.ReadString('\n'))
-
-	bytes := make([]byte, 512)
-
-	le, _ := client.Read(bytes)
-
-	fmt.Println(bytes)
-
-	b := ftm.Match(0, matcher.NewPacket(bytes, le), nil)
-
-	fmt.Println(b)
-
-	for ii := 0; ii < ftm.PacketCount(); ii++ {
-		pack := ftm.Packet(ii)
-
-		fmt.Println(pack)
-
-		//writer.WriteString(pack)
-		client.Write(pack.Buffer)
-		//fmt.Println(reader.ReadString('\n'))
-		bytes := make([]byte, 512)
-
-		l, _ := client.Read(bytes)
-
-		//fmt.Println(bytes)
-
-		b := ftm.Match(ii+1, matcher.NewPacket(bytes, l), info)
-
-		fmt.Println(b)
-
-	}
-
-	fmt.Println("Service Name : ", ftm.ServiceName())
-}

discovery/service/match/http/http_test.go

@@ -1,49 +0,0 @@
-package http
-
-import (
-	"fmt"
-	"git.loafle.net/overflow/overflow_discovery/service/matcher"
-	//"git.loafle.net/overflow/overflow_discovery/discovery/discovery/types"
-	"net"
-	"testing"
-)
-
-func TestHTTPMatcher_Packet(t *testing.T) {
-	hm := NewHTTPMatcher()
-	fmt.Println(hm)
-	fmt.Println(hm.sendPackets[0])
-
-}
-
-func TestHTTPMatcher_Match(t *testing.T) {
-	fmt.Println("Match")
-
-	hm := NewHTTPMatcher()
-
-	//port := types.NewPort("80", types.NewHost("192.168.1.103"), types.TYPE_TCP)
-	//
-	//var ipport string
-	//ipport = port.Host.Ip + ":" + string(port.Port)
-
-	//fmt.Println(ipport)
-
-	client, _ := net.Dial("tcp", "192.168.1.15:38980")
-
-	defer client.Close()
-
-	pack := hm.Packet(0)
-
-	//fmt.Println(pack)
-
-	//writer.WriteString(pack)
-	client.Write(pack.Buffer)
-
-	bytes := make([]byte, 512)
-
-	l, _ := client.Read(bytes)
-
-	//fmt.Println(bytes)
-
-	hm.Match(0, matcher.NewPacket(bytes, l), nil)
-
-}

discovery/service/match/http/https_test.go

@@ -1,55 +0,0 @@
-package http
-
-import (
-	"crypto/tls"
-	"fmt"
-	"git.loafle.net/overflow/overflow_discovery/service/matcher"
-	"log"
-	"net"
-	"testing"
-	"time"
-)
-
-func TestHTTPSMatcher_Match(t *testing.T) {
-	netinfo := "192.168.1.10:10443"
-	dialer := &net.Dialer{
-		Timeout: 5 * time.Second,
-	}
-
-	conn, err := tls.DialWithDialer(
-		dialer,
-		"tcp",
-		netinfo,
-		&tls.Config{
-			InsecureSkipVerify: true,
-			ServerName:         "192.168.1.103",
-		},
-	)
-
-	if err != nil {
-		log.Println(err)
-		return
-	}
-	defer conn.Close()
-
-	//fmt.Println(conn)
-	h := NewHTTPMatcher()
-
-	pac := h.Packet(0)
-
-	//fmt.Println(pac)
-	//fmt.Println(pac.Buffer)
-
-	//bytes := make([]byte, 1024)
-
-	l, _ := conn.Write(pac.Buffer)
-
-	buf := make([]byte, 1024)
-	l, _ = conn.Read(buf)
-
-	fmt.Println(string(buf))
-	fmt.Println(l)
-	is := h.Match(0, matcher.NewPacket(buf, l), nil)
-	fmt.Println(is)
-
-}

discovery/service/match/imap/imap_test.go

@@ -1,153 +0,0 @@
-package imap
-
-
-import (
-	"crypto/tls"
-	"fmt"
-	//"git.loafle.net/overflow/overflow_discovery/collector/core/scan/port"
-	"git.loafle.net/overflow/overflow_discovery/service/matcher"
-	//"git.loafle.net/overflow/overflow_discovery/collector/core/scan/service/matcher/scaninfo"
-	//"git.loafle.net/overflow/overflow_discovery/collector/discovery/types"
-	"net"
-	"testing"
-)
-
-func ImapRun(client net.Conn, t *testing.T) {
-
-	lm := NewIMAPMatcher()
-
-	//port := types.NewPort("143", types.NewHost("192.168.1.215"), types.TYPE_TCP)
-	//
-	//scanInfo := types.NewServiceScanInfo(port)
-	//
-	//var ipport string
-	//ipport = port.Host.Ip + ":" + string(port.Port)
-	//
-	//fmt.Println(ipport)
-	//client, _ := net.Dial("tcp", ipport)
-
-	//defer client.Close()
-
-	bytett := make([]byte, 1024)
-
-	rr, _ := client.Read(bytett)
-
-	bb := lm.Match(0, matcher.NewPacket(bytett, rr), nil)
-
-	if bb {
-		t.Log("good!")
-	}
-
-	fmt.Println(lm.PacketCount())
-
-	for ii := 0; ii < lm.PacketCount(); ii++ {
-
-		pack := lm.Packet(ii)
-
-		//fmt.Println(pack)
-
-		client.Write(pack.Buffer)
-
-		bytes := make([]byte, 1024)
-
-		read, _ := client.Read(bytes)
-
-		fmt.Println(cap(bytes))
-
-		//fmt.Println(bytes)
-
-		b := lm.Match(ii+1, matcher.NewPacket(bytes, read), nil)
-
-		if b {
-			t.Log("send Good!")
-		}
-
-	}
-
-
-}
-
-func TestIMapTls(t *testing.T) {
-
-	conn, _ := tls.Dial(
-		"tcp",
-		"192.168.1.15:993",
-		&tls.Config{
-			InsecureSkipVerify: true,
-			ServerName:         "192.168.1.15",
-		},
-	)
-
-	defer conn.Close()
-
-	ImapRun(conn, t)
-
-}
-
-func TestIMapNormal(t *testing.T) {
-
-	client, err := net.Dial("tcp", "192.168.1.15:143")
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	defer client.Close()
-
-	ImapRun(client, t)
-
-}
-
-func TestImap(t *testing.T) {
-
-	lm := NewIMAPMatcher()
-
-	//port := types.NewPort("143", types.NewHost("192.168.1.215"), types.TYPE_TCP)
-
-	//scanInfo := scaninfo.NewServiceScanInfo(port)
-
-	var ipport string
-	//ipport = port.Host.Ip + ":" + port.Port_
-
-	fmt.Println(ipport)
-	client, _ := net.Dial("tcp", ipport)
-
-	defer client.Close()
-
-	bytett := make([]byte, 1024)
-
-	rr, _ := client.Read(bytett)
-
-	//bb := lm.Match(0, matcher.NewPacket(bytett, rr), scanInfo)
-	bb := lm.Match(0, matcher.NewPacket(bytett, rr), nil)
-
-	if bb {
-		t.Log("good!")
-	}
-
-	fmt.Println(lm.PacketCount())
-
-	for ii := 0; ii < lm.PacketCount(); ii++ {
-
-		pack := lm.Packet(ii)
-
-		//fmt.Println(pack)
-
-		client.Write(pack.Buffer)
-
-		bytes := make([]byte, 1024)
-
-		read, _ := client.Read(bytes)
-
-		fmt.Println(cap(bytes))
-
-		//fmt.Println(bytes)
-
-		b := lm.Match(ii+1, matcher.NewPacket(bytes, read), nil)
-
-		if b {
-			t.Log("send Good!")
-		}
-
-	}
-	//t.Log(scanInfo)
-}

discovery/service/match/mongodb/mongodb_test.go

@@ -1,54 +0,0 @@
-package mongodb
-
-import (
-	"crypto/tls"
-	"git.loafle.net/overflow/overflow_discovery/service/matcher"
-	"net"
-	"testing"
-)
-
-func TestMongoNor(t *testing.T) {
-
-	conn, _ := net.Dial("tcp", "192.168.1.16:37017")
-
-	defer conn.Close()
-
-	MongoRun(conn, t)
-
-}
-func TestMongoTLS(t *testing.T) {
-	conn, _ := tls.Dial(
-		"tcp",
-		"192.168.1.16:47017",
-		&tls.Config{
-			InsecureSkipVerify: true,
-			ServerName:         "192.168.1.16",
-		},
-	)
-
-	defer conn.Close()
-
-	MongoRun(conn, t)
-}
-
-func MongoRun(conn net.Conn, t *testing.T) {
-
-	m := NewMongoDBMatcher()
-
-	for i := 0; i < m.PacketCount(); i++ {
-
-		pack := m.Packet(i)
-		conn.Write(pack.Buffer)
-		bytes := make([]byte, 1024)
-		n, _ := conn.Read(bytes)
-		p := matcher.NewPacket(bytes, n)
-
-		if m.Match(i, p, nil) {
-			t.Log("MongoDB found")
-			return
-		}
-
-		t.Error("MongoDB not found")
-	}
-
-}

discovery/service/match/mssql/mssql_test.go

@@ -1,63 +0,0 @@
-package mssql
-
-import (
-	"git.loafle.net/overflow/overflow_discovery/service/matcher"
-	"net"
-	"testing"
-)
-
-/*
-192.168.1.106:1433 - normal
-192.168.1.103:1433 - ssl
-*/
-func TestSqlNor(t *testing.T) {
-
-	conn, _ := net.Dial("tcp", "192.168.1.16:11433")
-
-	defer conn.Close()
-
-	sqlServerRun(conn, t)
-
-}
-
-//func TestSqlTLS(t *testing.T) {
-//	conn, err := tls.Dial(
-//		"tcp",
-//		"192.168.1.103:7680",
-//		&tls.Config{
-//			InsecureSkipVerify: true,
-//			ServerName:         "192.168.1.103",
-//		},
-//	)
-//
-//    if err != nil {
-//        t.Log(err)
-//        return
-//    }
-//
-//	defer conn.Close()
-//
-//    sqlServerRun(conn, t)
-//}
-
-func sqlServerRun(conn net.Conn, t *testing.T) {
-
-	m := NewMSSqlMatcher()
-
-	for i := 0; i < m.PacketCount(); i++ {
-
-		pack := m.Packet(i)
-		conn.Write(pack.Buffer)
-		bytes := make([]byte, 1024)
-		n, _ := conn.Read(bytes)
-		p := matcher.NewPacket(bytes, n)
-
-		if m.Match(i, p, nil) {
-			t.Log(m.ServiceName())
-			return
-		}
-
-		t.Error("MSSQL not found")
-	}
-
-}

discovery/service/match/mysql/mysql_test.go

@@ -1,71 +0,0 @@
-package mysql
-
-
-import (
-	"crypto/tls"
-	"git.loafle.net/overflow/overflow_discovery/service/matcher"
-	"net"
-	"testing"
-)
-
-func TestMySql(t *testing.T) {
-
-	m := NewMySqlMatcher()
-
-	/*
-	   192.168.1.103:3306 - normal
-	   192.168.1.105:8306 - ssl
-	   192.168.1.203:3306 - mysql with error code
-	*/
-	conn, _ := net.Dial("tcp", "192.168.1.15:33068")
-
-	defer conn.Close()
-
-	bytes := make([]byte, 1024)
-	n, _ := conn.Read(bytes)
-	p := matcher.NewPacket(bytes, n)
-
-	if m.Match(0, p, nil) {
-		t.Log(m.ServiceName())
-		return
-	}
-
-	t.Error("MySQL not found")
-
-}
-
-func TestCassandraTLS(t *testing.T) {
-
-	m := NewMySqlMatcher()
-
-	conn, err := tls.Dial(
-		"tcp",
-		"192.168.1.105:8306",
-		&tls.Config{
-			InsecureSkipVerify: true,
-			ServerName:         "192.168.1.105",
-		},
-	)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	defer conn.Close()
-
-	for i := 0; i < m.PacketCount(); i++ {
-
-		pack := m.Packet(i)
-		conn.Write(pack.Buffer)
-		bytes := make([]byte, 1024)
-		n, _ := conn.Read(bytes)
-		p := matcher.NewPacket(bytes, n)
-
-		if m.Match(i, p, nil) {
-			t.Log(m.ServiceName())
-			return
-		}
-
-		t.Error("MySQL not found")
-	}
-
-}

discovery/service/match/netbios/netbios_test.go

@@ -1,34 +0,0 @@
-package netbios
-
-
-import (
-	"git.loafle.net/overflow/overflow_discovery/service/matcher"
-	"net"
-	"testing"
-)
-
-func TestNBSS(t *testing.T) {
-
-	m := NewNetBiosMatcher()
-
-	conn, _ := net.Dial("tcp", "192.168.1.106:139")
-
-	defer conn.Close()
-
-	for i := 0; i < m.PacketCount(); i++ {
-
-		pack := m.Packet(i)
-		conn.Write(pack.Buffer)
-		bytes := make([]byte, 1024)
-		n, _ := conn.Read(bytes)
-		p := matcher.NewPacket(bytes, n)
-
-		if m.Match(i, p, nil) {
-			t.Log("NBSS found")
-			return
-		}
-
-		t.Error("NBSS not found")
-	}
-
-}

discovery/service/match/oracle/oracle_test.go

@@ -1,53 +0,0 @@
-package oracle
-
-
-import (
-
-	"git.loafle.net/overflow/overflow_discovery/service/matcher"
-
-
-	"net"
-	"testing"
-)
-
-func TestOracle(t *testing.T) {
-
-	lm := NewOracleMatcher()
-
-	//port := types.NewPort("1521", types.NewHost("192.168.1.30"), types.TYPE_TCP)
-	//scanInfo := scaninfo.NewServiceScanInfo(port)
-	//var ipport string
-	//ipport = port.Host.Ip + ":" + string(port.Port)
-
-
-	client, _ := net.Dial("tcp", "192.168.1.15:1521")
-
-	defer client.Close()
-
-	t.Log(lm.PacketCount())
-
-	for ii := 0; ii < lm.PacketCount(); ii++ {
-
-		pack := lm.Packet(ii)
-
-		t.Log(pack)
-
-		client.Write(pack.Buffer)
-
-		bytes := make([]byte, 1024)
-
-		read, _ := client.Read(bytes)
-
-		t.Log(bytes)
-
-		b := lm.Match(ii, matcher.NewPacket(bytes, read), nil)
-
-		if b {
-			t.Log("Good")
-		}
-
-	}
-
-
-
-}

discovery/service/match/pgsql/pgsql_test.go

@@ -1,70 +0,0 @@
-package pgsql
-
-import (
-	"crypto/tls"
-	"git.loafle.net/overflow/overflow_discovery/service/matcher"
-	"net"
-	"testing"
-)
-
-func TestPG(t *testing.T) {
-	m := NewPostgreSQLMatcher()
-
-	conn, err := net.Dial("tcp", "192.168.1.106:5432") //107
-	if err != nil {
-		t.Error(err)
-		return
-	}
-	defer conn.Close()
-
-	for i := 0; i < m.PacketCount(); i++ {
-
-		pack := m.Packet(i)
-		conn.Write(pack.Buffer)
-		bytes := make([]byte, 1024)
-		n, _ := conn.Read(bytes)
-		p := matcher.NewPacket(bytes, n)
-
-		if m.Match(i, p, nil) {
-			t.Log("PostgreSQL found")
-			return
-		}
-
-		t.Error("PostgreSQL not found")
-	}
-}
-
-func TestSqlTLS(t *testing.T) {
-	conn, err := tls.Dial(
-		"tcp",
-		"192.168.1.107:5432",
-		&tls.Config{
-			InsecureSkipVerify: true,
-			ServerName:         "192.168.1.107",
-		},
-	)
-
-	if err != nil {
-		t.Error(err)
-		return
-	}
-
-	defer conn.Close()
-
-	m := NewPostgreSQLMatcher()
-	for i := 0; i < m.PacketCount(); i++ {
-
-		pack := m.Packet(i)
-		conn.Write(pack.Buffer)
-		bytes := make([]byte, 1024)
-		n, _ := conn.Read(bytes)
-		p := matcher.NewPacket(bytes, n)
-
-		if m.Match(i, p, nil) {
-			t.Log("PostgreSQL found")
-			return
-		}
-
-		t.Error("PostgreSQL not found")
-	}
-}

discovery/service/match/pop/pop_test.go

@@ -1,86 +0,0 @@
-package pop
-
-
-import (
-	"crypto/tls"
-	"fmt"
-	"git.loafle.net/overflow/overflow_discovery/service/matcher"
-
-
-	"net"
-	"testing"
-)
-
-func TestPopTLS(t *testing.T) {
-	conn, _ := tls.Dial(
-		"tcp",
-		"192.168.1.15:995",
-		&tls.Config{
-			InsecureSkipVerify: true,
-			ServerName:         "192.168.1.15",
-		},
-	)
-
-	defer conn.Close()
-
-	pop3Run(conn, t)
-}
-
-func TestPopNor(t *testing.T) {
-
-	client, _ := net.Dial("tcp", "192.168.1.15:110")
-
-	defer client.Close()
-
-	pop3Run(client, t)
-
-}
-
-func pop3Run(client net.Conn, t *testing.T) {
-
-	lm := NewPOPMatcher()
-
-	//port := types.NewPort("110", types.NewHost("192.168.1.215"), types.TYPE_TCP)
-	//scanInfo := scaninfo.NewServiceScanInfo(port)
-	//var ipport string
-	//ipport = port.Host.Ip + ":" + string(port.Port)
-	//
-	//fmt.Println(ipport)
-
-	bytett := make([]byte, 1024)
-
-	read, _ := client.Read(bytett)
-
-	bb := lm.Match(0, matcher.NewPacket(bytett, read), nil)
-
-	if bb {
-		t.Log("good!")
-	}
-
-	fmt.Println(lm.PacketCount())
-
-	for ii := 0; ii < lm.PacketCount(); ii++ {
-
-		pack := lm.Packet(ii)
-
-		//fmt.Println(pack)
-
-		client.Write(pack.Buffer)
-
-		bytes := make([]byte, 1024)
-
-		rr, _ := client.Read(bytes)
-
-		//fmt.Println(bytes)
-
-		b := lm.Match(ii+1, matcher.NewPacket(bytes, rr), nil)
-
-		if b {
-			t.Log("send Good!")
-		}
-
-	}
-
-
-
-}

discovery/service/match/redis/redisProtected_test.go

@@ -1,33 +0,0 @@
-package redis
-
-//import (
-//	"git.loafle.net/overflow/overflow_discovery/collector/core/scan/service/matcher/packet"
-//	"net"
-//	"testing"
-//)
-//
-//func TestRedisProtected(t *testing.T) {
-//
-//	m := NewRedisProtectedMatcher()
-//
-//	conn, err := net.Dial("tcp", "192.168.1.215:8379")
-//
-//	if err != nil {
-//		t.Log(err)
-//		return
-//	}
-//
-//	defer conn.Close()
-//
-//	bytes := make([]byte, 1024)
-//	n, _ := conn.Read(bytes)
-//
-//	//fmt.Println(string(bytes[:n]))
-//
-//	b := m.Match(0, matcher.NewPacket(bytes, n), nil)
-//
-//	if b {
-//		t.Log("good!")
-//	}
-//
-//}

discovery/service/match/redis/redis_test.go

@@ -1,37 +0,0 @@
-package redis
-
-import (
-	"git.loafle.net/overflow/overflow_discovery/service/matcher"
-	"net"
-	"testing"
-)
-
-const (
-	ADDR string = "192.168.1.16:26379"
-)
-
-func TestRedisMatcher(t *testing.T) {
-
-	m := NewRedisMatcher()
-
-	conn, _ := net.Dial("tcp", ADDR)
-	defer conn.Close()
-
-	for i := 0; i < m.PacketCount(); i++ {
-
-		pack := m.Packet(i)
-		conn.Write(pack.Buffer)
-		bytes := make([]byte, 1024)
-		n, _ := conn.Read(bytes)
-
-		p := matcher.NewPacket(bytes, n)
-
-		if m.Match(i, p, nil) {
-			t.Log("Redis found.")
-			return
-		}
-
-		t.Error("Redis not found")
-	}
-
-}

discovery/service/match/rmi/rmi_test.go

@@ -1,52 +0,0 @@
-package rmi
-
-import (
-	"fmt"
-	"git.loafle.net/overflow/overflow_discovery/service/matcher"
-	//"git.loafle.net/overflow/overflow_discovery/discovery/discovery/types"
-	"net"
-	"testing"
-)
-
-func TestNew(t *testing.T) {
-	r := NewRMIMatcher()
-	fmt.Println("TestNew: ", r)
-}
-func TestRMIMatcher_Match(t *testing.T) {
-
-	fmt.Println("Match")
-
-	hm := NewRMIMatcher()
-
-	//port := types.NewPort("9840", types.NewHost("192.168.1.101"), types.TYPE_TCP)
-	//
-	//var ipport string
-	//ipport = port.Host.Ip + ":" + string(port.Port)
-
-	//fmt.Println(ipport)
-
-	client, err := net.Dial("tcp", "192.168.1.101:9840")
-
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	defer client.Close()
-
-	pack := hm.Packet(0)
-
-	fmt.Println(pack.Buffer)
-
-	//writer.WriteString(pack)
-	client.Write(pack.Buffer)
-
-	bytes := make([]byte, 512)
-
-	l, _ := client.Read(bytes)
-
-	//fmt.Println(bytes)
-
-	t1 := hm.Match(0, matcher.NewPacket(bytes, l), nil)
-
-	fmt.Println(t1)
-}

discovery/service/match/smb/smb_test.go

@@ -1,42 +0,0 @@
-package smb
-
-import (
-	"git.loafle.net/overflow/overflow_discovery/service/matcher"
-	"net"
-	"testing"
-)
-
-const (
-	ADDR string = "192.168.1.106:445"
-)
-
-func TestSMBMatcher(t *testing.T) {
-
-	m := NewSMBMatcher()
-
-	conn, err := net.Dial("tcp", ADDR)
-
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	defer conn.Close()
-
-	for i := 0; i < m.PacketCount(); i++ {
-
-		pack := m.Packet(i)
-		conn.Write(pack.Buffer)
-		bytes := make([]byte, 1024)
-		n, _ := conn.Read(bytes)
-
-		p := matcher.NewPacket(bytes, n)
-
-		if m.Match(i, p, nil) {
-			t.Log("SMB found.")
-			return
-		}
-
-		t.Error("SMB not found")
-	}
-
-}

discovery/service/match/snmp/snmpv2_test.go

@@ -1,37 +0,0 @@
-package snmp
-
-
-import (
-	"git.loafle.net/overflow/overflow_discovery/service/matcher"
-	"net"
-	"testing"
-)
-
-func TestSNMP2(t *testing.T) {
-
-	m := NewSNMPv2Matcher()
-
-	conn, err := net.Dial("udp", "192.168.1.15:161")
-	if err != nil {
-		t.Error(err)
-		return
-	}
-	defer conn.Close()
-
-	for i := 0; i < m.PacketCount(); i++ {
-
-		pack := m.Packet(i)
-		conn.Write(pack.Buffer)
-		bytes := make([]byte, 1024)
-		n, _ := conn.Read(bytes)
-		p := matcher.NewPacket(bytes, n)
-
-		if m.Match(i, p, nil) {
-			t.Log("SNMP found")
-			return
-		}
-
-		t.Error("SNMP not found")
-	}
-
-}

discovery/service/match/snmp/snmpv3_test.go

@@ -1,37 +0,0 @@
-package snmp
-
-
-import (
-	"git.loafle.net/overflow/overflow_discovery/service/matcher"
-	"net"
-	"testing"
-)
-
-func TestSNMP3(t *testing.T) {
-
-	m := NewSNMPv3Matcher()
-
-	conn, err := net.Dial("udp", "192.168.1.15:161")
-	if err != nil {
-		t.Error(err)
-		return
-	}
-	defer conn.Close()
-
-	for i := 0; i < m.PacketCount(); i++ {
-
-		pack := m.Packet(i)
-		conn.Write(pack.Buffer)
-		bytes := make([]byte, 1024)
-		n, _ := conn.Read(bytes)
-		p := matcher.NewPacket(bytes, n)
-
-		if m.Match(i, p, nil) {
-			t.Log("SNMP found")
-			return
-		}
-
-		t.Error("SNMP not found")
-	}
-
-}

discovery/service/match/ssh/ssh_test.go

@@ -1,35 +0,0 @@
-package ssh
-
-import (
-	"fmt"
-	//"git.loafle.net/overflow/overflow_discovery/match/ssh"
-	"git.loafle.net/overflow/overflow_discovery/service/matcher"
-	//"git.loafle.net/overflow/overflow_discovery/collector/discovery/types"
-	"net"
-	"testing"
-
-)
-
-func TestSSHMatcher_Match(t *testing.T) {
-
-	//port := types.NewPort("22", types.NewHost("192.168.1.103"), types.TYPE_TCP)
-	//ssh := NewSSHMatcher()
-	//
-	//var ipport string
-	//ipport = port.Host.Ip + ":" + string(port.Port)
-
-	client, _ := net.Dial("tcp", "192.168.1.10:22")
-
-	defer client.Close()
-
-	bytes := make([]byte, 512)
-
-	l, _ := client.Read(bytes)
-
-	fmt.Println(bytes)
-
-	b := NewSSHMatcher().Match(0, matcher.NewPacket(bytes, l), nil)
-
-	fmt.Println(b)
-
-}

discovery/service/match/telnet/telnet_test.go

@@ -1,33 +0,0 @@
-package telnet
-
-import (
-	"fmt"
-	"git.loafle.net/overflow/overflow_discovery/service/matcher"
-
-	"net"
-	"testing"
-)
-
-func TestTelnetMatcher_Match(t *testing.T) {
-
-	//port := types.NewPort("23", types.NewHost("192.168.1.210"), types.TYPE_TCP)
-	//telnet := NewTelnetMatcher()
-	//
-	//var ipport string
-	//ipport = port.Host.Ip + ":" + string(port.Port)
-
-	client, _ := net.Dial("tcp", "192.168.1.105:23")
-
-	defer client.Close()
-
-	bytes := make([]byte, 512)
-
-	l, _ := client.Read(bytes)
-
-	fmt.Println("length :", l)
-	fmt.Println(bytes)
-
-	b := NewTelnetMatcher().Match(0, matcher.NewPacket(bytes, l), nil)
-
-	fmt.Println(b)
-}

discovery/service/match/wmi/wmi_test.go

@@ -1,51 +0,0 @@
-package wmi
-
-import (
-	"fmt"
-	"git.loafle.net/overflow/overflow_discovery/service/matcher"
-	//"git.loafle.net/overflow/overflow_discovery/collector/discovery/scan/matcher/scaninfo"
-	//"git.loafle.net/overflow/overflow_discovery/collector/discovery/types"
-	"net"
-	"testing"
-)
-
-func TestWMI(t *testing.T) {
-
-	lm := NewWMIMatcher()
-
-	//port := types.NewPort("135", types.NewHost("192.168.1.1"), types.TYPE_TCP)
-	//scanInfo := scaninfo.NewServiceScanInfo(port)
-	//var ipport string
-	//ipport = port.Host.Ip + ":" + string(port.Port)
-
-	//fmt.Println(ipport)
-	client, _ := net.Dial("tcp", "192.168.1.106:135")
-
-	defer client.Close()
-
-	fmt.Println(lm.PacketCount())
-
-	for ii := 0; ii < lm.PacketCount(); ii++ {
-
-		pack := lm.Packet(ii)
-
-		fmt.Println(pack)
-
-		client.Write(pack.Buffer)
-
-		bytes := make([]byte, 1024)
-
-		read, _ := client.Read(bytes)
-
-		//fmt.Println(bytes)
-
-		b := lm.Match(ii, matcher.NewPacket(bytes, read), nil)
-
-		if b {
-			fmt.Println("Good")
-		}
-
-	}
-
-
-}

service/matcher/dns/dns.go

@@ -109,8 +109,8 @@ func (t *DNSMatcher) Match(info matcher.MatchInfo, index int, packet *matcher.Pa
 	return true
 }
 
-func (t *DNSMatcher) IsSend(info matcher.MatchInfo) bool {
+func (t *DNSMatcher) IsSend(port int) bool {
-	if 53 == info.Port() {
+	if 53 == port {
 		return true
 	}
 	return false

service/matcher/matcher.go

@@ -14,7 +14,7 @@ type Matcher interface {
 
 type UDPMatcher interface {
 	Matcher
-	IsSend(info MatchInfo) bool
+	IsSend(port int) bool
 }
 
 type Matchers struct {

service/matcher/snmp/v2/snmpv2.go

@@ -118,8 +118,8 @@ func (t *SNMPMatcher) Match(info matcher.MatchInfo, index int, packet *matcher.P
 
 }
 
-func (t *SNMPMatcher) IsSend(info matcher.MatchInfo) bool {
+func (t *SNMPMatcher) IsSend(port int) bool {
-	if info.Port() == 161 {
+	if 161 == port {
 		return true
 	}
 	return false

service/matcher/snmp/v3/snmpv3.go

@@ -130,8 +130,8 @@ func (t *SNMPMatcher) Match(info matcher.MatchInfo, index int, packet *matcher.P
 
 }
 
-func (t *SNMPMatcher) IsSend(info matcher.MatchInfo) bool {
+func (t *SNMPMatcher) IsSend(port int) bool {
-	if info.Port() == 161 {
+	if 161 == port {
 		return true
 	}
 	return false

service/service.go

@@ -94,7 +94,7 @@ func GetUDPMatchers() []matcher.UDPMatcher {
 	return UDPMatchers
 }
 
-func GetMatcherByName(serName string) Matcher {
+func GetMatcherByName(serName string) matcher.Matcher {
 	for _, m := range AllMatchers {
 		if m.ServiceName() == serName {
 			return m