/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_drop.c: Lets a lazylink indicate it no longer knows a channel.
 *
 *  Copyright (C) 2002 by the past and present ircd coders, and others.
 *
 *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 *  USA
 *
 *  $Id: m_drop.c 33 2005-10-02 20:50:00Z knight $
 */

#include "stdinc.h"
#include "tools.h"
#include "channel.h"
#include "client.h"
#include "common.h"
#include "hash.h"
#include "irc_string.h"
#include "ircd.h"
#include "list.h"
#include "numeric.h"
#include "s_serv.h"       /* captab */
#include "s_user.h"
#include "send.h"
#include "handlers.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"


static void ms_drop(struct Client *,struct Client *,int,char **);

struct Message drop_msgtab = {
  "DROP", 0, 0, 2, 0, MFLG_SLOW | MFLG_UNREG, 0L,
  {m_unregistered, m_ignore, ms_drop, m_ignore, m_ignore, m_ignore}
};
#ifndef STATIC_MODULES
void
_modinit(void)
{
  mod_add_cmd(&drop_msgtab);
}

void
_moddeinit(void)
{
  mod_del_cmd(&drop_msgtab);
}

const char *_version = "$Revision: 33 $";
#endif
/*
** ms_drop
**      parv[0] = sender prefix
**      parv[1] = channel
**      parv[2] = channel password (key)
**
**      "drop" a channel from consideration on a lazy link
*/
static void
ms_drop(struct Client *client_p, struct Client *source_p,
	int parc, char *parv[])
{
  char *name;
  struct Channel *chptr;

  if(parc < 2 || *parv[1] == '\0')
    return;

  name = parv[1];

#ifdef DEBUGLL
  sendto_realops(UMODE_ALL, "DROP called by %s for %s", client_p->name, name );
#endif

  if((chptr=hash_find_channel(name)) == NULL)
    return;

  if(client_p->localClient->serverMask) /* JIC */
    chptr->lazyLinkChannelExists &= ~client_p->localClient->serverMask;
  return;
}
