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This commit is contained in:
crusader 2018-09-28 18:49:02 +09:00
parent 3c2c480f83
commit 136aaf373a
1 changed files with 7 additions and 25 deletions
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32
discovery/protocol/tcp/syn/synv4.go
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@ -71,11 +71,13 @@ func scanV4(discoverySession session.DiscoverySession, targetHost *omd.Host) (er
} }
}() }()
if err = sendTCP4(discoverySession, ps, targetHost, stopChan); nil != err { go func() {
log.Printf("sendTCP %v", err) if err = sendTCP4(discoverySession, ps, targetHost, stopChan); nil != err {
return log.Printf("sendTCP %v", err)
} return
sendComplete.Store(true) }
sendComplete.Store(true)
}()
select { select {
case <-timerStopped: case <-timerStopped:
@ -97,8 +99,6 @@ func sendTCP4(discoverySession session.DiscoverySession, ps pcap.PCapScanner, ho
Loop: Loop:
for portNumber := dp.FirstScanRange; portNumber < dp.LastScanRange; portNumber++ { for portNumber := dp.FirstScanRange; portNumber < dp.LastScanRange; portNumber++ {
startTime := time.Now()
if nil != dp.ExcludePorts { if nil != dp.ExcludePorts {
for _, exPortNumber := range dp.ExcludePorts { for _, exPortNumber := range dp.ExcludePorts {
if portNumber == exPortNumber { if portNumber == exPortNumber {
@ -106,42 +106,24 @@ Loop:
} }
} }
} }
if 80 == portNumber || 111 == portNumber {
log.Print("1 IP:", host.Address, " Port:", portNumber, " t:", time.Since(startTime))
}
tcpPacket.TCP.DstPort = layers.TCPPort(portNumber) tcpPacket.TCP.DstPort = layers.TCPPort(portNumber)
if err := tcpPacket.TCP.SetNetworkLayerForChecksum(tcpPacket.IP); err != nil { if err := tcpPacket.TCP.SetNetworkLayerForChecksum(tcpPacket.IP); err != nil {
return err return err
} }
if 80 == portNumber || 111 == portNumber {
log.Print("2 IP:", host.Address, " Port:", portNumber, " t:", time.Since(startTime))
}
if err := gopacket.SerializeLayers(buf, tcpPacket.Opts, tcpPacket.Eth, tcpPacket.IP, tcpPacket.TCP); err != nil { if err := gopacket.SerializeLayers(buf, tcpPacket.Opts, tcpPacket.Eth, tcpPacket.IP, tcpPacket.TCP); err != nil {
return err return err
} }
if 80 == portNumber || 111 == portNumber {
log.Print("3 IP:", host.Address, " Port:", portNumber, " t:", time.Since(startTime))
}
if err := ps.WritePacketData(buf.Bytes()); err != nil { if err := ps.WritePacketData(buf.Bytes()); err != nil {
return err return err
} }
if 80 == portNumber || 111 == portNumber {
log.Print("4 IP:", host.Address, " Port:", portNumber, " t:", time.Since(startTime))
}
select { select {
case <-time.After(time.Microsecond * 100): case <-time.After(time.Microsecond * 100):
case <-stopChan: case <-stopChan:
return nil return nil
} }
if 80 == portNumber || 111 == portNumber {
log.Print("5 IP:", host.Address, " Port:", portNumber, " t:", time.Since(startTime))
}
} }
return nil return nil