From 3629e99c15a6ee5acd7d6015bc0b8fad1285b671 Mon Sep 17 00:00:00 2001
From: Sadie Powell
Date: Thu, 2 Sep 2021 11:44:47 +0100
Subject: Add the FRHOST command to allow changing a remote user's real host.

Closes #1803.
---
 src/modules/m_spanningtree/compat.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'src/modules/m_spanningtree/compat.cpp')

diff --git a/src/modules/m_spanningtree/compat.cpp b/src/modules/m_spanningtree/compat.cpp
index 85b7ec007..7e3c6fcd5 100644
--- a/src/modules/m_spanningtree/compat.cpp
+++ b/src/modules/m_spanningtree/compat.cpp
@@ -47,7 +47,12 @@ void TreeSocket::WriteLine(const std::string& original_line)
 	std::string command(line, cmdstart + 1, cmdend - cmdstart - 1);
 	if (proto_version == PROTO_INSPIRCD_3)
 	{
-		if (irc::equals(command, "SQUERY"))
+		if (irc::equals(command, "FRHOST"))
+		{
+			// FRHOST was introduced in PROTO_INSPIRCD_4; drop it.
+			return;
+		}
+		else if (irc::equals(command, "SQUERY"))
 		{
 			// SQUERY was introduced in PROTO_INSPIRCD_4; convert to PRIVMSG.
 			line.replace(cmdstart + 1, cmdend - cmdstart - 1, "PRIVMSG");
-- 
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