/*
* InspIRCd -- Internet Relay Chat Daemon
*
- * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2017-2018 Sadie Powell <sadie@witchery.services>
+ * Copyright (C) 2017 B00mX0r <b00mx0r@aureus.pw>
+ * Copyright (C) 2013-2014, 2016 Attila Molnar <attilamolnar@hush.com>
+ * Copyright (C) 2012, 2019 Robby <robby@chatbelgie.be>
+ * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2009 Uli Schlachter <psychon@inspircd.org>
+ * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
+ * Copyright (C) 2007-2008 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2006 Craig Edwards <brain@inspircd.org>
*
* 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
#include "inspircd.h"
+#include "core_channel.h"
-/** Handle /KICK.
- */
-class CommandKick : public Command
+CommandKick::CommandKick(Module* parent)
+ : Command(parent, "KICK", 2, 3)
{
- public:
- /** Constructor for kick.
- */
- CommandKick ( Module* parent) : Command(parent,"KICK",2,3) { syntax = "<channel> <nick>{,<nick>} [<reason>]"; }
- /** Handle command.
- * @param parameters The parameters to the command
- * @param user The user issuing the command
- * @return A value from CmdResult to indicate command success or failure.
- */
- CmdResult Handle(const std::vector<std::string>& parameters, User *user);
- RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
- {
- return (IS_LOCAL(user) ? ROUTE_LOCALONLY : ROUTE_BROADCAST);
- }
-};
+ syntax = "<channel> <nick>[,<nick>]+ [:<reason>]";
+}
/** Handle /KICK
*/
-CmdResult CommandKick::Handle (const std::vector<std::string>& parameters, User *user)
+CmdResult CommandKick::Handle(User* user, const Params& parameters)
{
- std::string reason;
Channel* c = ServerInstance->FindChan(parameters[0]);
User* u;
else
u = ServerInstance->FindNick(parameters[1]);
- if (!u || !c)
+ if (!c)
+ {
+ user->WriteNumeric(Numerics::NoSuchChannel(parameters[0]));
+ return CMD_FAILURE;
+ }
+ if ((!u) || (u->registered != REG_ALL))
{
- user->WriteNumeric(ERR_NOSUCHNICK, "%s :No such nick/channel", u ? parameters[0].c_str() : parameters[1].c_str());
+ user->WriteNumeric(Numerics::NoSuchNick(parameters[1]));
return CMD_FAILURE;
}
srcmemb = c->GetUser(user);
if (!srcmemb)
{
- user->WriteNumeric(ERR_NOTONCHANNEL, "%s :You're not on that channel!", parameters[0].c_str());
+ user->WriteNumeric(ERR_NOTONCHANNEL, parameters[0], "You're not on that channel!");
return CMD_FAILURE;
}
if (u->server->IsULine())
{
- user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s :You may not kick a u-lined client", c->name.c_str());
+ user->WriteNumeric(ERR_CHANOPRIVSNEEDED, c->name, "You may not kick a U-lined client");
return CMD_FAILURE;
}
}
- if (parameters.size() > 2)
+ const Channel::MemberMap::iterator victimiter = c->userlist.find(u);
+ if (victimiter == c->userlist.end())
{
- reason.assign(parameters[2], 0, ServerInstance->Config->Limits.MaxKick);
+ user->WriteNumeric(ERR_USERNOTINCHANNEL, u->nick, c->name, "They are not on that channel");
+ return CMD_FAILURE;
}
- else
+ 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)
{
- reason.assign(user->nick, 0, ServerInstance->Config->Limits.MaxKick);
+ // 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(true) > req)
+ req = mh->GetLevelRequired(true);
+ }
+
+ if (them < req)
+ {
+ user->WriteNumeric(ERR_CHANOPRIVSNEEDED, c->name, InspIRCd::Format("You must be a channel %soperator",
+ req > HALFOP_VALUE ? "" : "half-"));
+ return CMD_FAILURE;
+ }
+ }
}
- c->KickUser(user, u, reason, srcmemb);
+ c->KickUser(user, victimiter, reason);
return CMD_SUCCESS;
}
-COMMAND_INIT(CommandKick)
+RouteDescriptor CommandKick::GetRouting(User* user, const Params& parameters)
+{
+ return (IS_LOCAL(user) ? ROUTE_LOCALONLY : ROUTE_BROADCAST);
+}