X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fcommands%2Fcmd_nick.cpp;h=a079e59d057880fcfd8e94d33d53a506e508ad47;hb=a785f350fd584d87f3b84bbaff569ecb59c29f04;hp=bdaff8723d62364ba66323762d44a155db613022;hpb=6d03943426dcce76ba66567a9b18425a5ebb4c0c;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/commands/cmd_nick.cpp b/src/commands/cmd_nick.cpp index bdaff8723..a079e59d0 100644 --- a/src/commands/cmd_nick.cpp +++ b/src/commands/cmd_nick.cpp @@ -1,18 +1,26 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * InspIRCd: (C) 2002-2009 InspIRCd Development Team - * See: http://wiki.inspircd.org/Credits + * Copyright (C) 2009-2010 Daniel De Graaf + * Copyright (C) 2008 Craig Edwards + * Copyright (C) 2008 Thomas Stagner + * Copyright (C) 2007-2008 Robin Burchell * - * 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 . */ + #include "inspircd.h" -#include "xline.h" /** Handle /NICK. These command handlers can be reloaded by the core, * and handle basic RFC1459 commands. Commands within modules work @@ -24,7 +32,7 @@ class CommandNick : public Command public: /** Constructor for nick. */ - CommandNick ( Module* parent) : Command(parent,"NICK", 1, 1) { works_before_reg = true; syntax = ""; Penalty = 3; } + CommandNick ( Module* parent) : Command(parent,"NICK", 1, 1) { works_before_reg = true; syntax = ""; Penalty = 0; } /** Handle command. * @param parameters The parameters to the comamnd * @param pcnt The number of parameters passed to teh command @@ -41,157 +49,40 @@ class CommandNick : public Command */ CmdResult CommandNick::Handle (const std::vector& parameters, User *user) { - std::string oldnick; + 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].empty()) + if (newnick.empty()) { - /* We cant put blanks in the parameters, so for this (extremely rare) issue we just put '*' here. */ - user->WriteNumeric(432, "%s * :Erroneous Nickname", user->nick.empty() ? user->nick.c_str() : "*"); + user->WriteNumeric(432, "%s * :Erroneous Nickname", oldnick.c_str()); return CMD_FAILURE; } - if (((!ServerInstance->IsNick(parameters[0].c_str(), ServerInstance->Config->Limits.NickMax))) && (IS_LOCAL(user))) + if (newnick == "0") { - if (!User::NICKForced.get(user)) - { - if (parameters[0] == "0") - { - // Special case, Fake a /nick UIDHERE. Useful for evading "ERR: NICK IN USE" on connect etc. - std::vector p2; - p2.push_back(user->uuid); - User::NICKForced.set(user, 1); - this->Handle(p2, user); - User::NICKForced.set(user, 0); - return CMD_SUCCESS; - } - - user->WriteNumeric(432, "%s %s :Erroneous Nickname", user->nick.c_str(),parameters[0].c_str()); - return CMD_FAILURE; - } + newnick = user->uuid; } - - if (assign(user->nick) == parameters[0]) + else if (!ServerInstance->IsNick(newnick.c_str(), ServerInstance->Config->Limits.NickMax)) { - /* If its exactly the same, even case, dont do anything. */ - if (parameters[0] == user->nick) - { - 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. - */ - oldnick.assign(user->nick, 0, IS_LOCAL(user) ? ServerInstance->Config->Limits.NickMax : MAXBUF); - ModResult MOD_RESULT; - FIRST_MOD_RESULT(OnUserPreNick, MOD_RESULT, (user,parameters[0])); - if (MOD_RESULT == MOD_RES_DENY) - return CMD_FAILURE; - if (user->registered == REG_ALL) - user->WriteCommon("NICK %s",parameters[0].c_str()); - user->nick.assign(parameters[0], 0, IS_LOCAL(user) ? ServerInstance->Config->Limits.NickMax : MAXBUF); - user->InvalidateCache(); - FOREACH_MOD(I_OnUserPostNick,OnUserPostNick(user,oldnick)); - return CMD_SUCCESS; - } - else - { - /* - * Don't check Q:Lines if it's a server-enforced change, just on the off-chance some fucking *moron* - * tries to Q:Line SIDs, also, this means we just get our way period, as it really should be. - * Thanks Kein for finding this. -- w00t - * - * Also don't check Q:Lines for remote nickchanges, they should have our Q:Lines anyway to enforce themselves. - * -- w00t - */ - if (!IS_LOCAL(user)) - { - XLine* mq = ServerInstance->XLines->MatchesLine("Q",parameters[0]); - if (mq) - { - if (user->registered == REG_ALL) - { - ServerInstance->SNO->WriteGlobalSno('a', "Q-Lined nickname %s from %s!%s@%s: %s", - parameters[0].c_str(), user->nick.c_str(), user->ident.c_str(), user->host.c_str(), mq->reason.c_str()); - } - user->WriteNumeric(432, "%s %s :Invalid nickname: %s",user->nick.c_str(), parameters[0].c_str(), mq->reason.c_str()); - return CMD_FAILURE; - } - - if (ServerInstance->Config->RestrictBannedUsers) - { - for (UCListIter i = user->chans.begin(); i != user->chans.end(); i++) - { - Channel *chan = *i; - if (chan->GetPrefixValue(user) < VOICE_VALUE && chan->IsBanned(user)) - { - user->WriteNumeric(404, "%s %s :Cannot send to channel (you're banned)", user->nick.c_str(), chan->name.c_str()); - 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)) - { - 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.c_str()); - InUse->WriteNumeric(433, "%s %s :Nickname overruled.", InUse->nick.c_str(), InUse->nick.c_str()); - InUse->UpdateNickHash(InUse->uuid.c_str()); - InUse->nick.assign(InUse->uuid, 0, IS_LOCAL(InUse) ? ServerInstance->Config->Limits.NickMax : MAXBUF); - InUse->InvalidateCache(); - InUse->registered &= ~REG_NICK; - } - else - { - /* No camping, tell the incoming user to stop trying to change nick ;p */ - user->WriteNumeric(433, "%s %s :Nickname is already in use.", user->registered >= REG_NICK ? user->nick.c_str() : "*", parameters[0].c_str()); - return CMD_FAILURE; - } - } - } - - - ModResult MOD_RESULT; - FIRST_MOD_RESULT(OnUserPreNick, MOD_RESULT, (user, parameters[0])); - if (MOD_RESULT == MOD_RES_DENY) - // 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].c_str()); - - oldnick.assign(user->nick, 0, IS_LOCAL(user) ? ServerInstance->Config->Limits.NickMax : MAXBUF); - - /* change the nick of the user in the users_hash */ - user = user->UpdateNickHash(parameters[0].c_str()); - - /* actually change the nick within the record */ - if (!user) + if (!user->ChangeNick(newnick, false)) return CMD_FAILURE; - user->nick.assign(parameters[0], 0, IS_LOCAL(user) ? ServerInstance->Config->Limits.NickMax : MAXBUF); - user->InvalidateCache(); - if (user->registered < REG_NICKUSER) { user->registered = (user->registered | REG_NICK); if (user->registered == REG_NICKUSER) { /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */ - FIRST_MOD_RESULT(OnUserRegister, MOD_RESULT, (user)); + ModResult MOD_RESULT; + FIRST_MOD_RESULT(OnUserRegister, MOD_RESULT, (IS_LOCAL(user))); if (MOD_RESULT == MOD_RES_DENY) return CMD_FAILURE; @@ -200,14 +91,7 @@ CmdResult CommandNick::Handle (const std::vector& parameters, User } } - if (user->registered == REG_ALL) - { - user->IncreasePenalty(10); - FOREACH_MOD(I_OnUserPostNick,OnUserPostNick(user, oldnick)); - } - return CMD_SUCCESS; - }