From b4a39a0cf7f27c62cb4a262bafde405e917e2d02 Mon Sep 17 00:00:00 2001
From: danieldg <danieldg@e03df62e-2008-0410-955e-edbf42e46eb7>
Date: Mon, 5 Oct 2009 20:03:28 +0000
Subject: Deny TR_NICK mode changes with an invalid nick parameter

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@11800 e03df62e-2008-0410-955e-edbf42e46eb7
---
 src/mode.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src')

diff --git a/src/mode.cpp b/src/mode.cpp
index 845473c95..069f2ea48 100644
--- a/src/mode.cpp
+++ b/src/mode.cpp
@@ -339,6 +339,12 @@ ModeAction ModeParser::TryMode(User* user, User* targetuser, Channel* chan, bool
 		return MODEACTION_DENY;
 	}
 
+	if (mh->GetTranslateType() == TR_NICK && !ServerInstance->FindNick(parameter))
+	{
+		user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel", user->nick.c_str(), parameter.c_str());
+		return MODEACTION_DENY;
+	}
+
 	/* Call the handler for the mode */
 	ModeAction ma = mh->OnModeChange(user, targetuser, chan, parameter, adding);
 
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