-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd: (C) 2002-2007 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc>
+ * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
+ * Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
*
- * This program is free but copyrighted software; see
- * the file COPYING for details.
+ * 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
+ * License as published by the Free Software Foundation, version 2.
*
- * ---------------------------------------------------
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+
#include "inspircd.h"
-#include "xline.h"
-#include "commands/cmd_nick.h"
-extern "C" DllExport Command* init_command(InspIRCd* Instance)
+/** Handle /NICK. These command handlers can be reloaded by the core,
+ * and handle basic RFC1459 commands. Commands within modules work
+ * the same way, however, they can be fully unloaded, where these
+ * may not.
+ */
+class CommandNick : public Command
{
- return new CommandNick(Instance);
-}
+ public:
+ /** Constructor for nick.
+ */
+ CommandNick ( Module* parent) : Command(parent,"NICK", 1, 1) { works_before_reg = true; syntax = "<newnick>"; Penalty = 0; }
+ /** Handle command.
+ * @param parameters The parameters to the comamnd
+ * @param pcnt The number of parameters passed to teh command
+ * @param user The user issuing the command
+ * @return A value from CmdResult to indicate command success or failure.
+ */
+ CmdResult Handle(const std::vector<std::string>& parameters, User *user);
+};
/** Handle nick changes from users.
* NOTE: If you are used to ircds based on ircd2.8, and are looking
* for the client introduction code in here, youre in the wrong place.
* You need to look in the spanningtree module for this!
*/
-CmdResult CommandNick::Handle (const char** parameters, int pcnt, User *user)
+CmdResult CommandNick::Handle (const std::vector<std::string>& parameters, User *user)
{
- char oldnick[NICKMAX];
+ std::string oldnick = user->nick;
+ std::string newnick = parameters[0];
+
+ // anything except the initial NICK gets a flood penalty
+ if (user->registered == REG_ALL && IS_LOCAL(user))
+ IS_LOCAL(user)->CommandFloodPenalty += 4000;
- if (!*parameters[0] || !*user->nick)
+ if (newnick.empty())
{
- /* We cant put blanks in the parameters, so for this (extremely rare) issue we just put '*' here. */
- user->WriteServ("432 %s * :Erroneous Nickname", *user->nick ? user->nick : "*");
+ user->WriteNumeric(432, "%s * :Erroneous Nickname", oldnick.c_str());
return CMD_FAILURE;
}
- if (irc::string(user->nick) == irc::string(parameters[0]))
+ if (newnick == "0")
{
- /* If its exactly the same, even case, dont do anything. */
- if (!strcmp(user->nick,parameters[0]))
- return CMD_SUCCESS;
-
- /* Its a change of case. People insisted that they should be
- * able to do silly things like this even though the RFC says
- * the nick AAA is the same as the nick aaa.
- */
- strlcpy(oldnick, user->nick, NICKMAX - 1);
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnUserPreNick,OnUserPreNick(user,parameters[0]));
- if (MOD_RESULT)
- return CMD_FAILURE;
- if (user->registered == REG_ALL)
- user->WriteCommon("NICK %s",parameters[0]);
- strlcpy(user->nick, parameters[0], NICKMAX - 1);
- user->InvalidateCache();
- FOREACH_MOD(I_OnUserPostNick,OnUserPostNick(user,oldnick));
- return CMD_SUCCESS;
+ newnick = user->uuid;
}
- else
+ else if (!ServerInstance->IsNick(newnick.c_str(), ServerInstance->Config->Limits.NickMax))
{
- QLine* mq = ServerInstance->XLines->matches_qline(parameters[0]);
- if (mq)
- {
- ServerInstance->SNO->WriteToSnoMask('x', "Q-Lined nickname %s from %s!%s@%s: %s", parameters[0], user->nick, user->ident, user->host, mq->reason);
- user->WriteServ("432 %s %s :Invalid nickname: %s",user->nick,parameters[0], mq->reason);
- return CMD_FAILURE;
- }
-
- /*
- * Uh oh.. if the nickname is in use, and it's not in use by the person using it (doh) --
- * then we have a potential collide. Check whether someone else is camping on the nick
- * (i.e. connect -> send NICK, don't send USER.) If they are camping, force-change the
- * camper to their UID, and allow the incoming nick change.
- *
- * If the guy using the nick is already using it, tell the incoming nick change to gtfo,
- * because the nick is already (rightfully) in use. -- w00t
- */
- User* InUse = ServerInstance->FindNickOnly(parameters[0]);
- if (InUse && (InUse != user) && ((ServerInstance->IsNick(parameters[0]) || allowinvalid)))
- {
- if (InUse->registered != REG_ALL)
- {
- /* force the camper to their UUID, and ask them to re-send a NICK. */
- InUse->WriteTo(InUse, "NICK %s", InUse->uuid);
- InUse->WriteServ("433 %s %s :Nickname overruled.", InUse->nick, InUse->nick);
- InUse->UpdateNickHash(InUse->uuid);
- strlcpy(InUse->nick, InUse->uuid, NICKMAX - 1);
- InUse->InvalidateCache();
- InUse->registered &= ~REG_NICK;
- }
- else
- {
- /* No camping, tell the incoming user to stop trying to change nick ;p */
- user->WriteServ("433 %s %s :Nickname is already in use.", user->registered >= REG_NICK ? user->nick : "*", parameters[0]);
- return CMD_FAILURE;
- }
- }
- }
- if (((!ServerInstance->IsNick(parameters[0]))) && (IS_LOCAL(user)))
- {
- if (!allowinvalid)
- {
- user->WriteServ("432 %s %s :Erroneous Nickname",user->nick,parameters[0]);
- return CMD_FAILURE;
- }
- }
-
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnUserPreNick,OnUserPreNick(user,parameters[0]));
- if (MOD_RESULT)
- // if a module returns true, the nick change is silently forbidden.
+ user->WriteNumeric(432, "%s %s :Erroneous Nickname", user->nick.c_str(),newnick.c_str());
return CMD_FAILURE;
+ }
- if (user->registered == REG_ALL)
- user->WriteCommon("NICK %s",parameters[0]);
-
- strlcpy(oldnick, user->nick, NICKMAX - 1);
-
- /* change the nick of the user in the users_hash */
- user = user->UpdateNickHash(parameters[0]);
-
- /* actually change the nick within the record */
- if (!user)
- return CMD_FAILURE;
- if (!*user->nick)
+ if (!user->ChangeNick(newnick, false))
return CMD_FAILURE;
- strlcpy(user->nick, parameters[0], NICKMAX - 1);
-
- user->InvalidateCache();
-
- /* Update display nicks */
- for (UCListIter v = user->chans.begin(); v != user->chans.end(); v++)
- {
- CUList* ulist = v->first->GetUsers();
- CUList::iterator i = ulist->find(user);
- if (i != ulist->end())
- i->second = user->nick;
- }
-
if (user->registered < REG_NICKUSER)
{
user->registered = (user->registered | REG_NICK);
- }
- else if (user->registered == REG_NICKUSER)
- {
- /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnUserRegister,OnUserRegister(user));
- if (MOD_RESULT > 0)
- return CMD_FAILURE;
- }
- else if (user->registered == REG_ALL)
- {
- FOREACH_MOD(I_OnUserPostNick,OnUserPostNick(user,oldnick));
+ if (user->registered == REG_NICKUSER)
+ {
+ /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
+ ModResult MOD_RESULT;
+ FIRST_MOD_RESULT(OnUserRegister, MOD_RESULT, (IS_LOCAL(user)));
+ if (MOD_RESULT == MOD_RES_DENY)
+ return CMD_FAILURE;
+
+ // return early to not penalize new users
+ return CMD_SUCCESS;
+ }
}
return CMD_SUCCESS;
-
}
-CmdResult CommandNick::HandleInternal(const unsigned int id, const std::deque<classbase*> ¶meters)
-{
- allowinvalid = (id != 0);
- return CMD_SUCCESS;
-}
+COMMAND_INIT(CommandNick)
projects / user / henk / code / inspircd.git / blobdiff