From b5531dd0a028c30c34261c05540d53ec3a977313 Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jo@mein.io>
Date: Wed, 6 Apr 2022 23:30:43 +0200
Subject: [PATCH] generate-reader, generate-example: introduce new uc-portrange
 format

The `uc-portrange` string format will match single ports and ranges
in `minport-maxport` notation.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
---
 generate-example.uc | 8 ++++++++
 generate-reader.uc  | 9 +++++++++
 2 files changed, 17 insertions(+)

diff --git a/generate-example.uc b/generate-example.uc
index f07ff44..374508f 100755
--- a/generate-example.uc
+++ b/generate-example.uc
@@ -211,6 +211,14 @@ function random_value(kind, minLength, maxLength) {
 	case 'uc-base64':
 		return b64enc(random_phrase(50, 100));
 
+	case 'uc-portrange':
+		switch (math.rand() % 2) {
+		case 0: return sprintf('%d', math.rand() % 65536);
+		case 1: return join('-', sort([ math.rand() % 65536, math.rand() % 65536 ]));
+		}
+
+		break;
+
 	default:
 		if (minLength <= 15 && maxLength >= 20)
 			return random_phrase(minLength, maxLength);
diff --git a/generate-reader.uc b/generate-reader.uc
index 7498f7a..c971827 100755
--- a/generate-reader.uc
+++ b/generate-reader.uc
@@ -95,6 +95,15 @@ let GeneratorProto = {
 				'return b64dec(value) != null;'
 			]
 		},
+		"uc-portrange": {
+			desc: 'network port range',
+			code: [
+				'let ports = match(value, /^([0-9]|[1-9][0-9]*)(-([0-9]|[1-9][0-9]*))?$/);',
+				'if (!ports) return false;',
+				'let min = +ports[1], max = ports[2] ? +ports[3] : min;',
+				'return (min <= 65535 && max <= 65535 && max >= min);'
+			]
+		},
 		"hostname": {
 			desc: 'hostname',
 			code: [