Merge pull request #1162 from SaberUK/insp20+fix-deinstall

[user/henk/code/inspircd.git] / src / modules / m_spanningtree / uid.cpp

diff --git a/src/modules/m_spanningtree/uid.cpp b/src/modules/m_spanningtree/uid.cpp
index f33cb038d772f8554f1289f943b7e1d53e53743c..6620dd13ac8e2aeee81b06c344da5d73dc1e8143 100644 (file)
--- a/src/modules/m_spanningtree/uid.cpp
+++ b/src/modules/m_spanningtree/uid.cpp
@@ -57,14 +57,25 @@ CmdResult CommandUID::Handle(const parameterlist &params, User* serversrc)
        TreeSocket* sock = remoteserver->GetRoute()->GetSocket();
 
        /* check for collision */
-       user_hash::iterator iter = ServerInstance->Users->clientlist->find(params[2]);
+       User* const collideswith = ServerInstance->FindNickOnly(params[2]);
 
-       if (iter != ServerInstance->Users->clientlist->end())
+       if ((collideswith) && (collideswith->registered != REG_ALL))
+       {
+               // User that the incoming user is colliding with is not fully registered, we force nick change the
+               // unregistered user to their uuid and tell them what happened
+               collideswith->WriteFrom(collideswith, "NICK %s", collideswith->uuid.c_str());
+               collideswith->WriteNumeric(433, "%s %s :Nickname overruled.", collideswith->nick.c_str(), collideswith->nick.c_str());
+
+               // Clear the bit before calling User::ChangeNick() to make it NOT run the OnUserPostNick() hook
+               collideswith->registered &= ~REG_NICK;
+               collideswith->ChangeNick(collideswith->uuid, true);
+       }
+       else if (collideswith)
        {
                /*
                 * Nick collision.
                 */
-               int collide = sock->DoCollision(iter->second, age_t, params[5], params[6], params[0]);
+               int collide = sock->DoCollision(collideswith, age_t, params[5], params[6], params[0]);
                ServerInstance->Logs->Log("m_spanningtree",DEBUG,"*** Collision on %s, collide=%d", params[2].c_str(), collide);
 
                if (collide != 1)