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/*
* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
*
* Copyright (c) 1997-2018 ircd-hybrid development team
*
* This program 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
* USA
*/
/*! \file m_kick.c
* \brief Includes required functions for processing the KICK command.
* \version $Id: m_kick.c 8430 2018-03-27 18:48:40Z michael $
*/
#include "stdinc.h"
#include "list.h"
#include "channel.h"
#include "channel_mode.h"
#include "client.h"
#include "conf.h"
#include "irc_string.h"
#include "ircd.h"
#include "numeric.h"
#include "send.h"
#include "modules.h"
#include "parse.h"
#include "hash.h"
#include "packet.h"
#include "server.h"
/*! \brief KICK command handler
*
* \param source_p Pointer to allocated Client struct from which the message
* originally comes from. This can be a local or remote client.
* \param parc Integer holding the number of supplied arguments.
* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
* pointers.
* \note Valid arguments for this command are:
* - parv[0] = command
* - parv[1] = channel name
* - parv[2] = client to kick
* - parv[3] = reason
*/
static int
m_kick(struct Client *source_p, int parc, char *parv[])
{
char reason[KICKLEN + 1] = "";
struct Client *target_p = NULL;
struct Channel *chptr = NULL;
struct Membership *member_source = NULL;
struct Membership *member_target = NULL;
if (EmptyString(parv[2]))
{
sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, "KICK");
return 0;
}
if (!IsFloodDone(source_p))
flood_endgrace(source_p);
if ((chptr = hash_find_channel(parv[1])) == NULL)
{
sendto_one_numeric(source_p, &me, ERR_NOSUCHCHANNEL, parv[1]);
return 0;
}
if ((member_source = find_channel_link(source_p, chptr)) == NULL)
{
sendto_one_numeric(source_p, &me, ERR_NOTONCHANNEL, chptr->name);
return 0;
}
if (!has_member_flags(member_source, CHFL_CHANOP | CHFL_HALFOP))
{
sendto_one_numeric(source_p, &me, ERR_CHANOPRIVSNEEDED, chptr->name);
return 0;
}
if ((target_p = find_chasing(source_p, parv[2])) == NULL)
return 0; /* find_chasing sends ERR_NOSUCHNICK */
if ((member_target = find_channel_link(target_p, chptr)) == NULL)
{
sendto_one_numeric(source_p, &me, ERR_USERNOTINCHANNEL, target_p->name, chptr->name);
return 0;
}
if (has_member_flags(member_source, CHFL_HALFOP) && !has_member_flags(member_source, CHFL_CHANOP))
{
if (has_member_flags(member_target, CHFL_CHANOP | CHFL_HALFOP))
{
sendto_one_numeric(source_p, &me, ERR_CHANOPRIVSNEEDED, chptr->name);
return 0;
}
}
if (!EmptyString(parv[3]))
strlcpy(reason, parv[3], sizeof(reason));
else
strlcpy(reason, source_p->name, sizeof(reason));
sendto_channel_local(NULL, chptr, 0, 0, 0, ":%s!%s@%s KICK %s %s :%s",
source_p->name, source_p->username,
source_p->host, chptr->name,
target_p->name, reason);
sendto_server(source_p, 0, 0, ":%s KICK %s %s :%s",
source_p->id, chptr->name,
target_p->id, reason);
remove_user_from_channel(member_target);
return 0;
}
/*! \brief KICK command handler
*
* \param source_p Pointer to allocated Client struct from which the message
* originally comes from. This can be a local or remote client.
* \param parc Integer holding the number of supplied arguments.
* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
* pointers.
* \note Valid arguments for this command are:
* - parv[0] = command
* - parv[1] = channel name
* - parv[2] = client to kick
* - parv[3] = reason
*/
static int
ms_kick(struct Client *source_p, int parc, char *parv[])
{
char reason[KICKLEN + 1] = "";
struct Client *target_p = NULL;
struct Channel *chptr = NULL;
struct Membership *member_target = NULL;
if (EmptyString(parv[2]))
return 0;
if ((chptr = hash_find_channel(parv[1])) == NULL)
return 0;
if ((target_p = find_person(source_p, parv[2])) == NULL)
return 0;
if ((member_target = find_channel_link(target_p, chptr)) == NULL)
return 0;
if (!EmptyString(parv[3]))
strlcpy(reason, parv[3], sizeof(reason));
else
strlcpy(reason, source_p->name, sizeof(reason));
if (IsClient(source_p))
sendto_channel_local(NULL, chptr, 0, 0, 0, ":%s!%s@%s KICK %s %s :%s",
source_p->name, source_p->username,
source_p->host, chptr->name,
target_p->name, reason);
else
sendto_channel_local(NULL, chptr, 0, 0, 0, ":%s KICK %s %s :%s",
IsHidden(source_p) || ConfigServerHide.hide_servers ? me.name : source_p->name,
chptr->name, target_p->name, reason);
sendto_server(source_p, 0, 0, ":%s KICK %s %s :%s",
source_p->id, chptr->name,
target_p->id, reason);
remove_user_from_channel(member_target);
return 0;
}
static struct Message kick_msgtab =
{
.cmd = "KICK",
.args_min = 3,
.args_max = MAXPARA,
.handlers[UNREGISTERED_HANDLER] = m_unregistered,
.handlers[CLIENT_HANDLER] = m_kick,
.handlers[SERVER_HANDLER] = ms_kick,
.handlers[ENCAP_HANDLER] = m_ignore,
.handlers[OPER_HANDLER] = m_kick
};
static void
module_init(void)
{
mod_add_cmd(&kick_msgtab);
}
static void
module_exit(void)
{
mod_del_cmd(&kick_msgtab);
}
struct module module_entry =
{
.version = "$Revision: 8430 $",
.modinit = module_init,
.modexit = module_exit,
.flags = MODULE_FLAG_CORE
};
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