X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_spanningtree%2Fnick.cpp;h=686a2cc4c909437125c7f0d5167438afa93c1da1;hb=f62654a6859998f9d63eb22702c572d5ebcff15c;hp=49ce9a767153cc7baf5513cf8a5e65430bb44efb;hpb=b1173ca66a3a3dc3d1ae0b3f305e1b37e3d5c982;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/src/modules/m_spanningtree/nick.cpp b/src/modules/m_spanningtree/nick.cpp
index 49ce9a767..686a2cc4c 100644
--- a/src/modules/m_spanningtree/nick.cpp
+++ b/src/modules/m_spanningtree/nick.cpp
@@ -33,7 +33,7 @@
 CmdResult CommandNick::HandleRemote(RemoteUser* user, std::vector<std::string>& params)
 {
 	if ((isdigit(params[0][0])) && (params[0] != user->uuid))
-		return CMD_INVALID;
+		throw ProtocolException("Attempted to change nick to an invalid or non-matching UUID");
 
 	/* Update timestamp on user when they change nicks */
 	const time_t newts = ConvToInt(params[1]);
@@ -42,21 +42,22 @@ CmdResult CommandNick::HandleRemote(RemoteUser* user, std::vector<std::string>&
 	 * On nick messages, check that the nick doesn't already exist here.
 	 * If it does, perform collision logic.
 	 */
+	bool callfnc = true;
 	User* x = ServerInstance->FindNickOnly(params[0]);
-	if ((x) && (x != user))
+	if ((x) && (x != user) && (x->registered == REG_ALL))
 	{
 		/* x is local, who is remote */
 		int collideret = Utils->DoCollision(x, TreeServer::Get(user), newts, user->ident, user->GetIPString(), user->uuid);
 		if (collideret != 1)
 		{
-			/*
-			 * Remote client lost, or both lost, parsing or passing on this
-			 * nickchange would be pointless, as the incoming client's server will
-			 * soon receive SAVE to change its nick to its UID. :) -- w00t
-			 */
-			return CMD_FAILURE;
+			// Remote client lost, or both lost, rewrite this nick change as a change to uuid before
+			// forwarding and don't call ChangeNick() because DoCollision() has done it already
+			params[0] = user->uuid;
+			callfnc = false;
 		}
 	}
-	user->ForceNickChange(params[0], newts);
+	if (callfnc)
+		user->ChangeNick(params[0], newts);
+
 	return CMD_SUCCESS;
 }