/* * InspIRCd -- Internet Relay Chat Daemon * * Copyright (C) 2009 Daniel De Graaf * Copyright (C) 2008 Craig Edwards * Copyright (C) 2007 Robin Burchell * * 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" /** Handle /KILL. 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 CommandKill : public Command { std::string lastuuid; std::string killreason; public: /** Constructor for kill. */ CommandKill ( Module* parent) : Command(parent,"KILL",2,2) { flags_needed = 'o'; syntax = " "; TRANSLATE3(TR_CUSTOM, TR_CUSTOM, TR_END); } /** 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& parameters, User *user); RouteDescriptor GetRouting(User* user, const std::vector& parameters) { // FindNick() doesn't work here because we quit the target user in Handle() which // removes it from the nicklist, so we check lastuuid: if it's empty then this KILL // was for a local user, otherwise it contains the uuid of the user who was killed. if (lastuuid.empty()) return ROUTE_LOCALONLY; return ROUTE_BROADCAST; } void EncodeParameter(std::string& param, int index) { // Manually translate the nick -> uuid (see above), and also the reason (params[1]) // because we decorate it if the oper is local and want remote servers to see the // decorated reason not the original. param = ((index == 0) ? lastuuid : killreason); } }; /** Handle /KILL */ CmdResult CommandKill::Handle (const std::vector& parameters, User *user) { /* Allow comma seperated lists of users for /KILL (thanks w00t) */ if (CommandParser::LoopCall(user, this, parameters, 0)) { // If we got a colon delimited list of nicks then the handler ran for each nick, // and KILL commands were broadcast for remote targets. return CMD_FAILURE; } User *u = ServerInstance->FindNick(parameters[0]); if ((u) && (!IS_SERVER(u))) { /* * Here, we need to decide how to munge kill messages. Whether to hide killer, what to show opers, etc. * We only do this when the command is being issued LOCALLY, for remote KILL, we just copy the message we got. * * This conditional is so that we only append the "Killed (" prefix ONCE. If killer is remote, then the kill * just gets processed and passed on, otherwise, if they are local, it gets prefixed. Makes sense :-) -- w00t */ if (IS_LOCAL(user)) { /* * Moved this event inside the IS_LOCAL check also, we don't want half the network killing a user * and the other half not. This would be a bad thing. ;p -- w00t */ ModResult MOD_RESULT; FIRST_MOD_RESULT(OnKill, MOD_RESULT, (user, u, parameters[1])); if (MOD_RESULT == MOD_RES_DENY) return CMD_FAILURE; killreason = "Killed ("; if (!ServerInstance->Config->HideKillsServer.empty()) { // hidekills is on, use it killreason += ServerInstance->Config->HideKillsServer; } else { // hidekills is off, do nothing killreason += user->nick; } killreason += " (" + parameters[1] + "))"; } else { /* Leave it alone, remote server has already formatted it */ killreason.assign(parameters[1], 0, ServerInstance->Config->Limits.MaxQuit); } /* * Now we need to decide whether or not to send a local or remote snotice. Currently this checking is a little flawed. * No time to fix it right now, so left a note. -- w00t */ if (!IS_LOCAL(u)) { // remote kill ServerInstance->SNO->WriteToSnoMask('K', "Remote kill by %s: %s (%s)", user->nick.c_str(), u->GetFullRealHost().c_str(), parameters[1].c_str()); this->lastuuid = u->uuid; } else { // local kill /* * XXX - this isn't entirely correct, servers A - B - C, oper on A, client on C. Oper kills client, A and B will get remote kill * snotices, C will get a local kill snotice. this isn't accurate, and needs fixing at some stage. -- w00t */ if (IS_LOCAL(user)) ServerInstance->SNO->WriteGlobalSno('k',"Local Kill by %s: %s (%s)", user->nick.c_str(), u->GetFullRealHost().c_str(), parameters[1].c_str()); else ServerInstance->SNO->WriteToSnoMask('k',"Local Kill by %s: %s (%s)", user->nick.c_str(), u->GetFullRealHost().c_str(), parameters[1].c_str()); ServerInstance->Logs->Log("KILL", LOG_DEFAULT, "LOCAL KILL: %s :%s!%s!%s (%s)", u->nick.c_str(), ServerInstance->Config->ServerName.c_str(), user->dhost.c_str(), user->nick.c_str(), parameters[1].c_str()); /* Bug #419, make sure this message can only occur once even in the case of multiple KILL messages crossing the network, and change to show * hidekillsserver as source if possible */ if (!u->quitting) { u->Write(":%s KILL %s :%s!%s!%s (%s)", ServerInstance->Config->HideKillsServer.empty() ? user->GetFullHost().c_str() : ServerInstance->Config->HideKillsServer.c_str(), u->nick.c_str(), ServerInstance->Config->ServerName.c_str(), user->dhost.c_str(), ServerInstance->Config->HideKillsServer.empty() ? user->nick.c_str() : ServerInstance->Config->HideKillsServer.c_str(), parameters[1].c_str()); } this->lastuuid.clear(); } // send the quit out ServerInstance->Users->QuitUser(u, killreason); } else { user->WriteServ( "401 %s %s :No such nick/channel", user->nick.c_str(), parameters[0].c_str()); return CMD_FAILURE; } return CMD_SUCCESS; } COMMAND_INIT(CommandKill)