From 77f233a4840afb8b081d12b083b19ed314fd975a Mon Sep 17 00:00:00 2001
From: Matthew Holt <mholt@users.noreply.github.com>
Date: Tue, 30 Jun 2020 11:42:55 -0600
Subject: caddyhttp: Corrected host label index check (fix #3502)

---
 modules/caddyhttp/replacer.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'modules/caddyhttp/replacer.go')

diff --git a/modules/caddyhttp/replacer.go b/modules/caddyhttp/replacer.go
index b3c7b5d..f595021 100644
--- a/modules/caddyhttp/replacer.go
+++ b/modules/caddyhttp/replacer.go
@@ -172,7 +172,7 @@ func addHTTPVarsToReplacer(repl *caddy.Replacer, req *http.Request, w http.Respo
 					reqHost = req.Host // OK; assume there was no port
 				}
 				hostLabels := strings.Split(reqHost, ".")
-				if idx > len(hostLabels) {
+				if idx >= len(hostLabels) {
 					return "", true
 				}
 				return hostLabels[len(hostLabels)-idx-1], true
-- 
cgit v1.2.3