From 433bd7c137b9643a43742fae59e5dbfde70b5c11 Mon Sep 17 00:00:00 2001
From: Pavel <68112907+Dragoonwings@users.noreply.github.com>
Date: Mon, 13 Feb 2023 04:01:07 +0200
Subject: [PATCH] Fix stalled SSL connection when sending large headers (#105)

---
 ngx_http_zip_module.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/ngx_http_zip_module.c b/ngx_http_zip_module.c
index 2ed024b..cbd448e 100644
--- a/ngx_http_zip_module.c
+++ b/ngx_http_zip_module.c
@@ -448,7 +448,9 @@ ngx_http_zip_main_request_body_filter(ngx_http_request_t *r,
         if (rc == NGX_HTTP_RANGE_NOT_SATISFIABLE) {
             return ngx_http_special_response_handler(r, rc);
         }
-        if ((rc = ngx_http_send_header(r)) != NGX_OK) {
+        rc = ngx_http_send_header(r);
+        if (rc != NGX_OK &&
+            !(rc == NGX_AGAIN && r->connection->buffered)) {
             return rc;
         }
     }