m_spanningtree Throw a ProtocolException if a server SQUITs a server it shouldn't

diff --git a/src/modules/m_spanningtree/treesocket1.cpp b/src/modules/m_spanningtree/treesocket1.cpp
index 4e738488b1c85422c07e25ed80847d750b47bef4..1a8bdd06c67055468a17ab301c6d338f12054d5f 100644 (file)
--- a/src/modules/m_spanningtree/treesocket1.cpp
+++ b/src/modules/m_spanningtree/treesocket1.cpp
@@ -154,6 +154,8 @@ CmdResult CommandSQuit::HandleServer(TreeServer* server, std::vector<std::string
                ret = CMD_FAILURE;
                server = server->GetParent();
        }
+       else if (quitting->GetParent() != server)
+               throw ProtocolException("Attempted to SQUIT a non-directly connected server or the parent");
 
        server->SQuitChild(quitting, params[1]);