From 87b5c966eb5b6dc2c4a574064799c74a2029f53e Mon Sep 17 00:00:00 2001
From: 174001602 <58964152+174001602@users.noreply.github.com>
Date: Tue, 17 Dec 2019 12:05:49 +0800
Subject: [PATCH] patch 20191217
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ngx.req.get_headers(0) 无限次匹配，可能会造成服务器拒绝服务负担
---
 lib.lua | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib.lua b/lib.lua
index 7016bd8..79b78e6 100644
--- a/lib.lua
+++ b/lib.lua
@@ -3,9 +3,9 @@ require "config"
 
 -- Get the client IP
 function get_client_ip()
-    local CLIENT_IP = ngx.req.get_headers()["X_real_ip"]
+    local CLIENT_IP = ngx.req.get_headers(0)["X_real_ip"]
     if CLIENT_IP == nil then
-        CLIENT_IP = ngx.req.get_headers()["X_Forwarded_For"]
+        CLIENT_IP = ngx.req.get_headers(0)["X_Forwarded_For"]
     end
     if CLIENT_IP == nil then
         CLIENT_IP  = ngx.var.remote_addr