From b353b799a2288bfde132a1909f78f4e1cbd1fd28 Mon Sep 17 00:00:00 2001
From: Sadie Powell
Date: Fri, 13 Jan 2023 07:17:32 +0000
Subject: Fix core_dns rejecting simple hostnames.

---
 src/helperfuncs.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/helperfuncs.cpp')

diff --git a/src/helperfuncs.cpp b/src/helperfuncs.cpp
index f2b023f81..0b5681d0e 100644
--- a/src/helperfuncs.cpp
+++ b/src/helperfuncs.cpp
@@ -273,7 +273,7 @@ bool InspIRCd::DefaultIsIdent(const std::string& n)
 	return true;
 }
 
-bool InspIRCd::IsHost(const std::string& host)
+bool InspIRCd::IsHost2(const std::string& host, bool allowsimple)
 {
 	// Hostnames must be non-empty and shorter than the maximum hostname length.
 	if (host.empty() || host.length() > ServerInstance->Config->Limits.MaxHost)
@@ -329,7 +329,7 @@ bool InspIRCd::IsHost(const std::string& host)
 	// Whilst simple hostnames (e.g. localhost) are valid we do not allow the server to use
 	// them to prevent issues with clients that differentiate between short client and server
 	// prefixes by checking whether the nickname contains a dot.
-	return numdots;
+	return numdots || allowsimple;
 }
 
 bool InspIRCd::IsSID(const std::string &str)
-- 
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