From e29ccb743181a122b705d827a37e697b36d0daa1 Mon Sep 17 00:00:00 2001
From: Christopher Liebman <liebman@zod.com>
Date: Thu, 7 Dec 2017 15:44:11 -0800
Subject: [PATCH] if fingerprint is specified as '*' then skip validation.

---
 libraries/ESP8266HTTPClient/src/ESP8266HTTPClient.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/libraries/ESP8266HTTPClient/src/ESP8266HTTPClient.cpp b/libraries/ESP8266HTTPClient/src/ESP8266HTTPClient.cpp
index ef4c551573..f44422086e 100644
--- a/libraries/ESP8266HTTPClient/src/ESP8266HTTPClient.cpp
+++ b/libraries/ESP8266HTTPClient/src/ESP8266HTTPClient.cpp
@@ -63,6 +63,14 @@ class TLSTraits : public TransportTraits
 
     bool verify(WiFiClient& client, const char* host) override
     {
+        //
+        // Treat '*' (a.k.a. wildcard) as skip validation, anything is valid
+        //
+        if (_fingerprint == "*")
+        {
+            return true;
+        }
+
         auto wcs = static_cast<WiFiClientSecure&>(client);
         return wcs.verify(_fingerprint.c_str(), host);
     }