2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
5 * Copyright (C) 2008 Pippijn van Steenhoven <pip88nl@gmail.com>
6 * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
7 * Copyright (C) 2005, 2007 Robin Burchell <robin+git@viroteck.net>
8 * Copyright (C) 2005-2006 Craig Edwards <craigedwards@brainbox.cc>
9 * Copyright (C) 2006 Oliver Lupton <oliverlupton@gmail.com>
11 * This file is part of InspIRCd. InspIRCd is free software: you can
12 * redistribute it and/or modify it under the terms of the GNU General Public
13 * License as published by the Free Software Foundation, version 2.
15 * This program is distributed in the hope that it will be useful, but WITHOUT
16 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
20 * You should have received a copy of the GNU General Public License
21 * along with this program. If not, see <http://www.gnu.org/licenses/>.
28 * This module supports the use of the +q and +a usermodes, but should work without them too.
29 * Usage of the command is restricted to +hoaq, and you cannot remove a user with a "higher" level than yourself.
30 * eg: +h can remove +hv and users with no modes. +a can remove +aohv and users with no modes.
33 /** Base class for /FPART and /REMOVE
35 class RemoveBase : public Command
38 ChanModeReference& nokicksmode;
41 unsigned int protectedrank;
43 RemoveBase(Module* Creator, bool& snk, ChanModeReference& nkm, const char* cmdn)
44 : Command(Creator, cmdn, 2, 3)
50 CmdResult HandleRMB(User* user, const CommandBase::Params& parameters, bool fpart)
56 // If the command is a /REMOVE then detect the parameter order
57 bool neworder = ((fpart) || (parameters[0][0] == '#'));
59 /* Set these to the parameters needed, the new version of this module switches it's parameters around
60 * supplying a new command with the new order while keeping the old /remove with the older order.
61 * /remove <nick> <channel> [reason ...]
62 * /fpart <channel> <nick> [reason ...]
64 const std::string& channame = parameters[neworder ? 0 : 1];
65 const std::string& username = parameters[neworder ? 1 : 0];
67 /* Look up the user we're meant to be removing from the channel */
69 target = ServerInstance->FindNickOnly(username);
71 target = ServerInstance->FindNick(username);
73 /* And the channel we're meant to be removing them from */
74 channel = ServerInstance->FindChan(channame);
76 /* Fix by brain - someone needs to learn to validate their input! */
79 user->WriteNumeric(Numerics::NoSuchChannel(channame));
82 if ((!target) || (target->registered != REG_ALL))
84 user->WriteNumeric(Numerics::NoSuchNick(username));
88 if (!channel->HasUser(target))
90 user->WriteNotice(InspIRCd::Format("*** The user %s is not on channel %s", target->nick.c_str(), channel->name.c_str()));
94 if (target->server->IsULine())
96 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, channame, "Only a u-line may remove a u-line from a channel.");
100 /* We support the +Q channel mode via. the m_nokicks module, if the module is loaded and the mode is set then disallow the /remove */
101 if ((!IS_LOCAL(user)) || (!supportnokicks) || (!channel->IsModeSet(nokicksmode)))
103 /* We'll let everyone remove their level and below, eg:
104 * ops can remove ops, halfops, voices, and those with no mode (no moders actually are set to 1)
105 a ulined target will get a higher level than it's possible for a /remover to get..so they're safe.
106 * Nobody may remove people with >= protectedrank rank.
108 unsigned int ulevel = channel->GetPrefixValue(user);
109 unsigned int tlevel = channel->GetPrefixValue(target);
110 if ((!IS_LOCAL(user)) || ((ulevel > VOICE_VALUE) && (ulevel >= tlevel) && ((protectedrank == 0) || (tlevel < protectedrank))))
112 // REMOVE will be sent to the target's server and it will reply with a PART (or do nothing if it doesn't understand the command)
113 if (!IS_LOCAL(target))
115 // Send an ENCAP REMOVE with parameters being in the old <user> <chan> order which is
116 // compatible with both 2.0 and 3.0. This also turns FPART into REMOVE.
117 CommandBase::Params p;
118 p.push_back(target->uuid);
119 p.push_back(channel->name);
120 if (parameters.size() > 2)
121 p.push_back(":" + parameters[2]);
122 ServerInstance->PI->SendEncapsulatedData(target->server->GetName(), "REMOVE", p, user);
127 std::string reasonparam;
129 /* If a reason is given, use it */
130 if(parameters.size() > 2)
131 reasonparam = parameters[2];
133 reasonparam = "No reason given";
135 /* Build up the part reason string. */
136 reason = "Removed by " + user->nick + ": " + reasonparam;
138 channel->WriteNotice(InspIRCd::Format("%s removed %s from the channel", user->nick.c_str(), target->nick.c_str()));
139 target->WriteNotice("*** " + user->nick + " removed you from " + channel->name + " with the message: " + reasonparam);
141 channel->PartUser(target, reason);
145 user->WriteNotice(InspIRCd::Format("*** You do not have access to /remove %s from %s", target->nick.c_str(), channel->name.c_str()));
151 /* m_nokicks.so was loaded and +Q was set, block! */
152 user->WriteNumeric(ERR_RESTRICTED, channel->name, InspIRCd::Format("Can't remove user %s from channel (nokicks mode is set)", target->nick.c_str()));
162 class CommandRemove : public RemoveBase
165 CommandRemove(Module* Creator, bool& snk, ChanModeReference& nkm)
166 : RemoveBase(Creator, snk, nkm, "REMOVE")
168 syntax = "<channel> <nick> [:<reason>]";
169 TRANSLATE3(TR_NICK, TR_TEXT, TR_TEXT);
172 CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
174 return HandleRMB(user, parameters, false);
180 class CommandFpart : public RemoveBase
183 CommandFpart(Module* Creator, bool& snk, ChanModeReference& nkm)
184 : RemoveBase(Creator, snk, nkm, "FPART")
186 syntax = "<channel> <nick> [:<reason>]";
187 TRANSLATE3(TR_TEXT, TR_NICK, TR_TEXT);
190 CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
192 return HandleRMB(user, parameters, true);
196 class ModuleRemove : public Module
198 ChanModeReference nokicksmode;
205 : nokicksmode(this, "nokick")
206 , cmd1(this, supportnokicks, nokicksmode)
207 , cmd2(this, supportnokicks, nokicksmode)
211 void On005Numeric(std::map<std::string, std::string>& tokens) CXX11_OVERRIDE
216 void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
218 ConfigTag* tag = ServerInstance->Config->ConfValue("remove");
219 supportnokicks = tag->getBool("supportnokicks");
220 cmd1.protectedrank = cmd2.protectedrank = tag->getUInt("protectedrank", 50000);
223 Version GetVersion() CXX11_OVERRIDE
225 return Version("Provides a /remove command, this is mostly an alternative to /kick, except makes users appear to have parted the channel", VF_OPTCOMMON | VF_VENDOR);
229 MODULE_INIT(ModuleRemove)