+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2007, 2009 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2005-2006 Craig Edwards <craigedwards@brainbox.cc>
+ *
+ * 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"
+
+/* $ModDesc: Provides the NICKLOCK command, allows an oper to change a users nick and lock them to it until they quit */
+
+/** Handle /NICKLOCK
+ */
+class CommandNicklock : public Command
+{
+ public:
+ LocalIntExt& locked;
+ CommandNicklock (Module* Creator, LocalIntExt& ext) : Command(Creator,"NICKLOCK", 2),
+ locked(ext)
+ {
+ flags_needed = 'o';
+ syntax = "<oldnick> <newnick>";
+ TRANSLATE3(TR_NICK, TR_TEXT, TR_END);
+ }
+
+ CmdResult Handle(const std::vector<std::string>& parameters, User *user)
+ {
+ User* target = ServerInstance->FindNick(parameters[0]);
+
+ if ((!target) || (target->registered != REG_ALL))
+ {
+ user->WriteServ("NOTICE %s :*** No such nickname: '%s'", user->nick.c_str(), parameters[0].c_str());
+ return CMD_FAILURE;
+ }
+
+ /* Do local sanity checks and bails */
+ if (IS_LOCAL(user))
+ {
+ if (!ServerInstance->IsNick(parameters[1].c_str(), ServerInstance->Config->Limits.NickMax))
+ {
+ user->WriteServ("NOTICE %s :*** Invalid nickname '%s'", user->nick.c_str(), parameters[1].c_str());
+ return CMD_FAILURE;
+ }
+
+ user->WriteServ("947 %s %s :Nickname now locked.", user->nick.c_str(), parameters[1].c_str());
+ }
+
+ /* If we made it this far, extend the user */
+ if (IS_LOCAL(target))
+ {
+ locked.set(target, 1);
+
+ std::string oldnick = target->nick;
+ if (target->ForceNickChange(parameters[1].c_str()))
+ ServerInstance->SNO->WriteGlobalSno('a', user->nick+" used NICKLOCK to change and hold "+oldnick+" to "+parameters[1]);
+ else
+ {
+ std::string newnick = target->nick;
+ ServerInstance->SNO->WriteGlobalSno('a', user->nick+" used NICKLOCK, but "+oldnick+" failed nick change to "+parameters[1]+" and was locked to "+newnick+" instead");
+ }
+ }
+
+ return CMD_SUCCESS;
+ }
+
+ RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
+ {
+ User* dest = ServerInstance->FindNick(parameters[0]);
+ if (dest)
+ return ROUTE_OPT_UCAST(dest->server);
+ return ROUTE_LOCALONLY;
+ }
+};
+
+/** Handle /NICKUNLOCK
+ */
+class CommandNickunlock : public Command
+{
+ public:
+ LocalIntExt& locked;
+ CommandNickunlock (Module* Creator, LocalIntExt& ext) : Command(Creator,"NICKUNLOCK", 1),
+ locked(ext)
+ {
+ flags_needed = 'o';
+ syntax = "<locked-nick>";
+ TRANSLATE2(TR_NICK, TR_END);
+ }
+
+ CmdResult Handle (const std::vector<std::string>& parameters, User *user)
+ {
+ User* target = ServerInstance->FindNick(parameters[0]);
+
+ if (!target)
+ {
+ user->WriteServ("NOTICE %s :*** No such nickname: '%s'", user->nick.c_str(), parameters[0].c_str());
+ return CMD_FAILURE;
+ }
+
+ if (IS_LOCAL(target))
+ {
+ if (locked.set(target, 0))
+ {
+ ServerInstance->SNO->WriteGlobalSno('a', user->nick+" used NICKUNLOCK on "+target->nick);
+ user->SendText(":%s 945 %s %s :Nickname now unlocked.",
+ ServerInstance->Config->ServerName.c_str(),user->nick.c_str(),target->nick.c_str());
+ }
+ else
+ {
+ user->SendText(":%s 946 %s %s :This user's nickname is not locked.",
+ ServerInstance->Config->ServerName.c_str(),user->nick.c_str(),target->nick.c_str());
+ return CMD_FAILURE;
+ }
+ }
+
+ return CMD_SUCCESS;
+ }
+
+ RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
+ {
+ User* dest = ServerInstance->FindNick(parameters[0]);
+ if (dest)
+ return ROUTE_OPT_UCAST(dest->server);
+ return ROUTE_LOCALONLY;
+ }
+};
+
+
+class ModuleNickLock : public Module
+{
+ LocalIntExt locked;
+ CommandNicklock cmd1;
+ CommandNickunlock cmd2;
+ public:
+ ModuleNickLock()
+ : locked("nick_locked", this), cmd1(this, locked), cmd2(this, locked)
+ {
+ }
+
+ void init()
+ {
+ ServerInstance->Modules->AddService(cmd1);
+ ServerInstance->Modules->AddService(cmd2);
+ ServerInstance->Modules->AddService(locked);
+ ServerInstance->Modules->Attach(I_OnUserPreNick, this);
+ }
+
+ ~ModuleNickLock()
+ {
+ }
+
+ Version GetVersion()
+ {
+ return Version("Provides the NICKLOCK command, allows an oper to change a users nick and lock them to it until they quit", VF_OPTCOMMON | VF_VENDOR);
+ }
+
+ ModResult OnUserPreNick(User* user, const std::string &newnick)
+ {
+ if (!IS_LOCAL(user))
+ return MOD_RES_PASSTHRU;
+
+ if (ServerInstance->NICKForced.get(user)) /* Allow forced nick changes */
+ return MOD_RES_PASSTHRU;
+
+ if (locked.get(user))
+ {
+ user->WriteNumeric(447, "%s :You cannot change your nickname (your nick is locked)",user->nick.c_str());
+ return MOD_RES_DENY;
+ }
+ return MOD_RES_PASSTHRU;
+ }
+
+ void Prioritize()
+ {
+ Module *nflood = ServerInstance->Modules->Find("m_nickflood.so");
+ ServerInstance->Modules->SetPriority(this, I_OnUserPreJoin, PRIORITY_BEFORE, &nflood);
+ }
+};
+
+MODULE_INIT(ModuleNickLock)