From 6301dd65d7b300a90d85692df5fc7c1cb71020ec Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Tue, 12 Feb 2019 17:53:00 +0300
Subject: [PATCH] Disallow "." as HTTP host.

GitOrigin-RevId: d8f5d746f021167d2752a5c3fd67486966fb47d6
---
 tdutils/td/utils/HttpUrl.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tdutils/td/utils/HttpUrl.cpp b/tdutils/td/utils/HttpUrl.cpp
index 9a0cdc8b6..5663045dc 100644
--- a/tdutils/td/utils/HttpUrl.cpp
+++ b/tdutils/td/utils/HttpUrl.cpp
@@ -95,6 +95,9 @@ Result<HttpUrl> parse_url(MutableSlice url, HttpUrl::Protocol default_protocol)
   if (host.empty()) {
     return Status::Error("URL host is empty");
   }
+  if (host == ".") {
+    return Status::Error("Host is invalid");
+  }
 
   int specified_port = port;
   if (port == 0) {