From 3275eda2efacd383457036cb56da4304fbe2b84b Mon Sep 17 00:00:00 2001
From: shikokuchuo <53399081+shikokuchuo@users.noreply.github.com>
Date: Mon, 20 Nov 2023 22:27:04 +0000
Subject: [PATCH] make safe http_schemes.c

---
 src/supplemental/http/http_schemes.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/supplemental/http/http_schemes.c b/src/supplemental/http/http_schemes.c
index df8b92081..95be331fc 100644
--- a/src/supplemental/http/http_schemes.c
+++ b/src/supplemental/http/http_schemes.c
@@ -76,10 +76,12 @@ static struct {
 const char *
 nni_http_stream_scheme(const char *upper)
 {
-	for (int i = 0; http_schemes[i].upper != NULL; i++) {
-		if (strcmp(http_schemes[i].upper, upper) == 0) {
-			return (http_schemes[i].lower);
-		}
+	if (upper != NULL) {
+	  for (int i = 0; http_schemes[i].upper != NULL; i++) {
+	    if (strncmp(http_schemes[i].upper, upper, 7) == 0) {
+	      return (http_schemes[i].lower);
+	    }
+	  }
 	}
 	return (NULL);
 }
\ No newline at end of file