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/*
* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
*
* Copyright (c) 2001-2018 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_unresv.c
* \brief Includes required functions for processing the UNRESV command.
* \version $Id: m_unresv.c 8492 2018-04-04 22:21:06Z michael $
*/
#include "stdinc.h"
#include "list.h"
#include "client.h"
#include "irc_string.h"
#include "ircd.h"
#include "conf.h"
#include "conf_cluster.h"
#include "conf_resv.h"
#include "conf_shared.h"
#include "numeric.h"
#include "log.h"
#include "send.h"
#include "server_capab.h"
#include "parse.h"
#include "modules.h"
#include "memory.h"
static void
resv_remove(struct Client *source_p, const char *mask)
{
struct ResvItem *resv;
if ((resv = resv_find(mask, irccmp)) == NULL)
{
if (IsClient(source_p))
sendto_one_notice(source_p, &me, ":No RESV for %s", mask);
return;
}
if (resv->in_database == 0)
{
if (IsClient(source_p))
sendto_one_notice(source_p, &me, ":The RESV for %s is in ircd.conf and must be removed by hand",
resv->mask);
return;
}
resv_delete(resv);
if (IsClient(source_p))
sendto_one_notice(source_p, &me, ":RESV for [%s] is removed", mask);
sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
"%s has removed the RESV for: [%s]",
get_oper_name(source_p), mask);
ilog(LOG_TYPE_RESV, "%s removed RESV for [%s]",
get_oper_name(source_p), mask);
}
/*! \brief UNRESV 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/nick
* - parv[2] = "ON"
* - parv[3] = target server
*/
static int
mo_unresv(struct Client *source_p, int parc, char *parv[])
{
char *mask = NULL;
char *target_server = NULL;
if (!HasOFlag(source_p, OPER_FLAG_UNRESV))
{
sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "unresv");
return 0;
}
if (!parse_aline("UNRESV", source_p, parc, parv, &mask, NULL,
NULL, &target_server, NULL))
return 0;
if (target_server)
{
sendto_match_servs(source_p, target_server, CAPAB_CLUSTER, "UNRESV %s %s",
target_server, mask);
/* Allow ON to apply local unresv as well if it matches */
if (match(target_server, me.name))
return 0;
}
else
cluster_distribute(source_p, "UNRESV", CAPAB_KLN, CLUSTER_UNRESV, mask);
resv_remove(source_p, mask);
return 0;
}
/*! \brief UNRESV 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] = target server mask
* - parv[2] = name mask
*/
static int
ms_unresv(struct Client *source_p, int parc, char *parv[])
{
if (parc != 3 || EmptyString(parv[2]))
return 0;
sendto_match_servs(source_p, parv[1], CAPAB_CLUSTER, "UNRESV %s %s",
parv[1], parv[2]);
if (match(parv[1], me.name))
return 0;
if (HasFlag(source_p, FLAGS_SERVICE) ||
shared_find(SHARED_UNRESV, source_p->servptr->name,
source_p->username, source_p->host))
resv_remove(source_p, parv[2]);
return 0;
}
static struct Message unresv_msgtab =
{
.cmd = "UNRESV",
.args_min = 2,
.args_max = MAXPARA,
.handlers[UNREGISTERED_HANDLER] = m_unregistered,
.handlers[CLIENT_HANDLER] = m_not_oper,
.handlers[SERVER_HANDLER] = ms_unresv,
.handlers[ENCAP_HANDLER] = m_ignore,
.handlers[OPER_HANDLER] = mo_unresv
};
static void
module_init(void)
{
mod_add_cmd(&unresv_msgtab);
}
static void
module_exit(void)
{
mod_del_cmd(&unresv_msgtab);
}
struct module module_entry =
{
.version = "$Revision: 8492 $",
.modinit = module_init,
.modexit = module_exit,
};
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