From c27a70a591a4a53bd0782d1f6ab3b818b617c7b4 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Fri, 23 Jul 2021 23:52:12 +0200
Subject: http_proxy: clear 'sending' when the outgoing request is sent

... so that Curl_connect_getsock() will know how to wait for the socket
to become readable and not writable after the entire CONNECT request has
been issued.

Regression added in 7.77.0

Reported-by: zloi-user on github
Assisted-by: Jay Satiro
Fixes #7155
Closes #7484
---
 lib/http_proxy.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/http_proxy.c b/lib/http_proxy.c
index a7f7aa353..a0168cbf5 100644
--- a/lib/http_proxy.c
+++ b/lib/http_proxy.c
@@ -390,6 +390,7 @@ static CURLcode CONNECT(struct Curl_easy *data,
         k->upload_fromhere += bytes_written;
         return result;
       }
+      http->sending = HTTPSEND_NADA;
       /* if nothing left to send, continue */
     }
     { /* READING RESPONSE PHASE */
-- 
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