Check nickname validity on introduction, closes bug #682 reported by danieldg (thanks).

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@10974 e03df62e-2008-0410-955e-edbf42e46eb7

1 files changed, 5 insertions, 0 deletions

diff --git a/src/modules/m_spanningtree/uid.cpp b/src/modules/m_spanningtree/uid.cpp
index 749922c62..80aa49482 100644
--- a/src/modules/m_spanningtree/uid.cpp
+++ b/src/modules/m_spanningtree/uid.cpp
@@ -62,6 +62,11 @@ bool TreeSocket::ParseUID(const std::string &source, std::deque<std::string> &pa
 		this->SendError("Invalid client introduction (Malformed MODE sequence?)");
 		return false;
 	}
+	else if (!ServerInstance->IsNick(parameters[0].c_str(), ServerInstance->Config->Limits.NickMax))
+	{
+		this->SendError("Invalid client introduction (Nickname was not valid according to me)");
+		return false;
+	}
 
 	/* check for collision */
 	user_hash::iterator iter = this->ServerInstance->Users->clientlist->find(params[2]);