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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
*
* 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 "core_channel.h"
CommandKick::CommandKick(Module* parent)
: Command(parent, "KICK", 2, 3)
{
syntax = "<channel> <nick>{,<nick>} [<reason>]";
}
/** Handle /KICK
*/
CmdResult CommandKick::Handle (const std::vector<std::string>& parameters, User *user)
{
Channel* c = ServerInstance->FindChan(parameters[0]);
User* u;
if (CommandParser::LoopCall(user, this, parameters, 1))
return CMD_SUCCESS;
if (IS_LOCAL(user))
u = ServerInstance->FindNickOnly(parameters[1]);
else
u = ServerInstance->FindNick(parameters[1]);
if ((!u) || (!c) || (u->registered != REG_ALL))
{
user->WriteNumeric(ERR_NOSUCHNICK, "%s :No such nick/channel", c ? parameters[1].c_str() : parameters[0].c_str());
return CMD_FAILURE;
}
Membership* srcmemb = NULL;
if (IS_LOCAL(user))
{
srcmemb = c->GetUser(user);
if (!srcmemb)
{
user->WriteNumeric(ERR_NOTONCHANNEL, "%s :You're not on that channel!", parameters[0].c_str());
return CMD_FAILURE;
}
if (u->server->IsULine())
{
user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s :You may not kick a u-lined client", c->name.c_str());
return CMD_FAILURE;
}
}
const Channel::MemberMap::iterator victimiter = c->userlist.find(u);
if (victimiter == c->userlist.end())
{
user->WriteNumeric(ERR_USERNOTINCHANNEL, "%s %s :They are not on that channel", u->nick.c_str(), c->name.c_str());
return CMD_FAILURE;
}
Membership* const memb = victimiter->second;
// KICKs coming from servers can carry a membership id
if ((!IS_LOCAL(user)) && (parameters.size() > 3))
{
// If the current membership id is not equal to the one in the message then the user rejoined
if (memb->id != Membership::IdFromString(parameters[2]))
{
ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Dropped KICK due to membership id mismatch: " + ConvToStr(memb->id) + " != " + parameters[2]);
return CMD_FAILURE;
}
}
const bool has_reason = (parameters.size() > 2);
const std::string reason((has_reason ? parameters.back() : user->nick), 0, ServerInstance->Config->Limits.MaxKick);
// Do the following checks only if the KICK is done by a local user;
// each server enforces its own rules.
if (srcmemb)
{
// Modules are allowed to explicitly allow or deny kicks done by local users
ModResult res;
FIRST_MOD_RESULT(OnUserPreKick, res, (user, memb, reason));
if (res == MOD_RES_DENY)
return CMD_FAILURE;
if (res == MOD_RES_PASSTHRU)
{
unsigned int them = srcmemb->getRank();
unsigned int req = HALFOP_VALUE;
for (std::string::size_type i = 0; i < memb->modes.length(); i++)
{
ModeHandler* mh = ServerInstance->Modes->FindMode(memb->modes[i], MODETYPE_CHANNEL);
if (mh && mh->GetLevelRequired() > req)
req = mh->GetLevelRequired();
}
if (them < req)
{
user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s :You must be a channel %soperator",
c->name.c_str(), req > HALFOP_VALUE ? "" : "half-");
return CMD_FAILURE;
}
}
}
c->KickUser(user, victimiter, reason);
return CMD_SUCCESS;
}
RouteDescriptor CommandKick::GetRouting(User* user, const std::vector<std::string>& parameters)
{
return (IS_LOCAL(user) ? ROUTE_LOCALONLY : ROUTE_BROADCAST);
}
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