/*
* InspIRCd -- Internet Relay Chat Daemon
*
- * Copyright (C) 2013 Attila Molnar <attilamolnar@hush.com>
- * Copyright (C) 2007-2008, 2012 Robin Burchell <robin+git@viroteck.net>
- * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
- * Copyright (C) 2007-2008 Craig Edwards <craigedwards@brainbox.cc>
- * Copyright (C) 2008 Pippijn van Steenhoven <pip88nl@gmail.com>
- * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
- * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2018 Sadie Powell <sadie@witchery.services>
+ * Copyright (C) 2013-2015 Attila Molnar <attilamolnar@hush.com>
*
* This file is part of InspIRCd. InspIRCd is free software: you can
* redistribute it and/or modify it under the terms of the GNU General Public
#include "main.h"
#include "utils.h"
#include "commands.h"
+#include "treeserver.h"
-CmdResult CommandNick::HandleRemote(RemoteUser* user, std::vector<std::string>& params)
+CmdResult CommandNick::HandleRemote(::RemoteUser* user, Params& 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 */
- user->age = ConvToInt(params[1]);
+ // Timestamp of the new nick
+ time_t newts = ServerCommand::ExtractTS(params[1]);
/*
* On nick messages, check that the nick doesn't already exist here.
* If it does, perform collision logic.
*/
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, Utils->FindServer(user->server), user->age, user->ident, user->GetIPString(), user->uuid);
- if (collideret != 1)
+ // 'x' is the already existing user using the same nick as params[0]
+ // 'user' is the user trying to change nick to the in use nick
+ bool they_change = Utils->DoCollision(x, TreeServer::Get(user), newts, user->ident, user->GetIPString(), user->uuid, "NICK");
+ if (they_change)
{
- /*
- * 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
+ // calling ChangeNick() and forwarding the message
+ params[0] = user->uuid;
+ params[1] = ConvToStr(CommandSave::SavedTimestamp);
+ newts = CommandSave::SavedTimestamp;
}
}
- user->ForceNickChange(params[0]);
+
+ user->ChangeNick(params[0], newts);
+
return CMD_SUCCESS;
}