From 4443e1890958cc01b523207736f74c58767f4017 Mon Sep 17 00:00:00 2001
From: mageven <62494521+mageven@users.noreply.github.com>
Date: Tue, 30 Mar 2021 04:25:53 +0530
Subject: [PATCH] Patch up DNS Blacklist (#2153)

Make the regex patterns case insensitive for robustness
---
 .../Services/Sockets/Sfdnsres/Proxy/DnsBlacklist.cs    | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/Ryujinx.HLE/HOS/Services/Sockets/Sfdnsres/Proxy/DnsBlacklist.cs b/Ryujinx.HLE/HOS/Services/Sockets/Sfdnsres/Proxy/DnsBlacklist.cs
index db499e248..b20455063 100644
--- a/Ryujinx.HLE/HOS/Services/Sockets/Sfdnsres/Proxy/DnsBlacklist.cs
+++ b/Ryujinx.HLE/HOS/Services/Sockets/Sfdnsres/Proxy/DnsBlacklist.cs
@@ -4,12 +4,14 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres.Proxy
 {
     static class DnsBlacklist
     {
+        const RegexOptions RegexOpts = RegexOptions.CultureInvariant | RegexOptions.IgnoreCase | RegexOptions.ExplicitCapture | RegexOptions.Compiled;
+
         private static readonly Regex[] BlockedHosts = new Regex[]
         {
-            new Regex(@"^g(.*)\-lp1\.s\.n\.srv\.nintendo\.net$"),
-            new Regex(@"^(.*)\-sb\-api\.accounts\.nintendo\.com$"),
-            new Regex(@"^(.*)\-sb\.accounts\.nintendo\.com$"),
-            new Regex(@"^accounts\.nintendo\.com$")
+            new Regex(@"^g(.*)\-lp1\.s\.n\.srv\.nintendo\.net$", RegexOpts),
+            new Regex(@"^(.*)\-sb\-api\.accounts\.nintendo\.com$", RegexOpts),
+            new Regex(@"^(.*)\-sb\.accounts\.nintendo\.com$", RegexOpts),
+            new Regex(@"^accounts\.nintendo\.com$", RegexOpts)
         };
 
         public static bool IsHostBlocked(string host)