Support version detection on all ports (--allports) (#144)

Author: ivosh

optionsServiceVersion.go

@@ -10,6 +10,15 @@ func WithServiceInfo() Option {
 	}
 }
 
+// WithVersionDetectionOnAllPorts enables version detection on all specified ports,
+// including port 9100 which is excluded by default.
+// In other words, version detection is performed on all ports regardles of any Exclude directive.
+func WithVersionDetectionOnAllPorts() Option {
+	return func(s *Scanner) {
+		s.args = append(s.args, "--allports")
+	}
+}
+
 // WithVersionIntensity sets the level of intensity with which nmap should
 // probe the open ports to get version information.
 // Intensity should be a value between 0 (light) and 9 (try all probes). The

optionsServiceVersion_test.go

@@ -26,6 +26,17 @@ func TestServiceDetection(t *testing.T) {
 				"-sV",
 			},
 		},
+		{
+			description: "service detection on all ports",
+
+			options: []Option{
+				WithVersionDetectionOnAllPorts(),
+			},
+
+			expectedArgs: []string{
+				"--allports",
+			},
+		},
 		{
 			description: "service detection custom intensity",