feat(scan): support external port scanner(nmap) in host machine (#1207)

* feat(scan): load portscan settings from config.toml

* feat(scan): support external port scanner:nmap

* style: rename variable

* feat(scan): logging apply options

* feat(scan): remove spoof ip address option

* feat(scan): more validate port scan config

* style: change comment

* fix: parse port number as uint16

* feat(discover): add portscan section

* feat(discover): change default scanTechniques

* feat(docker): add nmap and version update

* feat(scan): nmap module upgrade

* fix: wrap err using %w

* feat(scan): print cmd using external port scanner

* feat(scan): more details external port scan command

* feat(scan): add capability check in validation

* fix(scanner): format error

* chore: change format

config/tomlloader.go

@@ -125,6 +125,10 @@ func (c TOMLLoader) Load(pathToToml, keyPass string) error {
 			}
 		}
 
+		if server.PortScan.ScannerBinPath != "" {
+			server.PortScan.IsUseExternalScanner = true
+		}
+
 		server.LogMsgAnsiColor = Colors[index%len(Colors)]
 		index++
 
@@ -203,6 +207,13 @@ func setDefaultIfEmpty(server *ServerInfo, d ServerInfo) error {
 		}
 	}
 
+	if server.PortScan == nil {
+		server.PortScan = Conf.Default.PortScan
+		if server.PortScan == nil {
+			server.PortScan = &PortScanConf{}
+		}
+	}
+
 	if len(server.IgnoredJSONKeys) == 0 {
 		server.IgnoredJSONKeys = Conf.Default.IgnoredJSONKeys
 	}