From: Jo-Philipp Wich <jo@mein.io>
Date: Fri, 29 May 2020 07:56:06 +0000 (+0200)
Subject: luci-base: luci.js: properly skip comments when finding require tokens
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=dd9624d35aecab54b8e477d074c5299ba5020418;p=oweals%2Fluci.git

luci-base: luci.js: properly skip comments when finding require tokens

Fixes: #4020, #4022, #4111
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
(cherry picked from commit 6be8f8dbaee90a8a7e8bc87350f21793b9aed35c)
---

diff --git a/modules/luci-base/htdocs/luci-static/resources/luci.js b/modules/luci-base/htdocs/luci-static/resources/luci.js
index 657983210..2ec96dd67 100644
--- a/modules/luci-base/htdocs/luci-static/resources/luci.js
+++ b/modules/luci-base/htdocs/luci-static/resources/luci.js
@@ -2443,12 +2443,19 @@
 				    args = '';
 
 				/* find require statements in source */
-				for (var i = 0, off = -1, quote = -1, esc = false; i < source.length; i++) {
+				for (var i = 0, off = -1, prev = -1, quote = -1, comment = -1, esc = false; i < source.length; i++) {
 					var chr = source.charCodeAt(i);
 
 					if (esc) {
 						esc = false;
 					}
+					else if (comment != -1) {
+						if ((comment == 47 && chr == 10) || (comment == 42 && prev == 42 && chr == 47))
+							comment = -1;
+					}
+					else if ((chr == 42 || chr == 47) && prev == 47) {
+						comment = chr;
+					}
 					else if (chr == 92) {
 						esc = true;
 					}
@@ -2472,6 +2479,8 @@
 						off = i + 1;
 						quote = chr;
 					}
+
+					prev = chr;
 				}
 
 				/* load dependencies and instantiate class */