From 5345b04a43765afbb13f956d6f15160e8e56f3d5 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Sun, 3 Mar 2019 11:17:52 +0100
Subject: alt-svc: add test 355 and 356 to verify with command line curl

---
 lib/http.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'lib/http.c')

diff --git a/lib/http.c b/lib/http.c
index f5709b68b..3618f8728 100644
--- a/lib/http.c
+++ b/lib/http.c
@@ -3982,7 +3982,14 @@ CURLcode Curl_http_readwrite_headers(struct Curl_easy *data,
 #ifdef USE_ALTSVC
     /* If enabled, the header is incoming and this is over HTTPS */
     else if(data->asi && checkprefix("Alt-Svc:", k->p) &&
-            (conn->handler->flags & PROTOPT_SSL)) {
+            ((conn->handler->flags & PROTOPT_SSL) ||
+#ifdef CURLDEBUG
+             /* allow debug builds to circumvent the HTTPS restriction */
+             getenv("CURL_ALTSVC_HTTP")
+#else
+             0
+#endif
+              )) {
       /* the ALPN of the current request */
       enum alpnid id = (conn->httpversion == 20) ? ALPN_h2 : ALPN_h1;
       result = Curl_altsvc_parse(data, data->asi,
-- 
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