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/config.go

@@ -106,6 +106,16 @@ func (c Config) ValidateOnScan() bool {
 	if _, err := govalidator.ValidateStruct(c); err != nil {
 		errs = append(errs, err)
 	}
+
+	for _, server := range c.Servers {
+		if !server.Module.IsScanPort() {
+			continue
+		}
+		if es := server.PortScan.Validate(); 0 < len(es) {
+			errs = append(errs, es...)
+		}
+	}
+
 	for _, err := range errs {
 		logging.Log.Error(err)
 	}
@@ -228,6 +238,7 @@ type ServerInfo struct {
 	IPv6Addrs          []string                    `toml:"-" json:"ipv6Addrs,omitempty"`
 	IPSIdentifiers     map[string]string           `toml:"-" json:"ipsIdentifiers,omitempty"`
 	WordPress          *WordPressConf              `toml:"wordpress,omitempty" json:"wordpress,omitempty"`
+	PortScan           *PortScanConf               `toml:"portscan,omitempty" json:"portscan,omitempty"`
 
 	// internal use
 	LogMsgAnsiColor string     `toml:"-" json:"-"` // DebugLog Color