From ea0cc1fadecaa538dabaae45ec31427fabffb827 Mon Sep 17 00:00:00 2001
From: zixun <lvzixun@gmail.com>
Date: Thu, 28 Mar 2019 16:53:46 +0800
Subject: [PATCH] fix check header limit

---
 lualib/http/internal.lua | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lualib/http/internal.lua b/lualib/http/internal.lua
index 5bb35752..6f76b86d 100644
--- a/lualib/http/internal.lua
+++ b/lualib/http/internal.lua
@@ -48,9 +48,6 @@ function M.recvheader(readbytes, lines, header)
 		while true do
 			local bytes = readbytes()
 			header = header .. bytes
-			if #header > LIMIT then
-				return
-			end
 			e = header:find("\r\n\r\n", -#bytes-3, true)
 			if e then
 				result = header:sub(e+4)
@@ -59,6 +56,9 @@ function M.recvheader(readbytes, lines, header)
 			if header:find "^\r\n" then
 				return header:sub(3)
 			end
+			if #header > LIMIT then
+				return
+			end
 		end
 	end
 	for v in header:gmatch("(.-)\r\n") do