From 5e1cf14565675ad1bbc983901a33ab6fe7e0c906 Mon Sep 17 00:00:00 2001
From: Valentin Bartenev <vbart@nginx.com>
Date: Fri, 12 Apr 2019 17:44:55 +0300
Subject: [PATCH] Controller: rejecting double wildcards.

---
 src/nxt_conf_validation.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/nxt_conf_validation.c b/src/nxt_conf_validation.c
index e2e1b89e..aedcc605 100644
--- a/src/nxt_conf_validation.c
+++ b/src/nxt_conf_validation.c
@@ -777,7 +777,12 @@ nxt_conf_vldt_match_pattern(nxt_conf_validation_t *vldt,
 
         case sw_side:
             if (i == last) {
-                break;
+                if (last - first != 1) {
+                    break;
+                }
+
+                return nxt_conf_vldt_error(vldt, "The \"match\" pattern must "
+                                           "not contain double \"*\" markers.");
             }
 
             /* Fall through. */