/*
 *  NeoIRCd: NeoStats Group. Based on Hybird7
 *  s_serv.c: Server related functions.
 *
 *  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: s_serv.c,v 1.16 2003/03/06 14:01:51 fishwaldo Exp $
 */

#include "stdinc.h"

#ifdef HAVE_LIBCRYPTO
#include <openssl/rsa.h>
#include "rsa.h"
#endif

#include <netinet/tcp.h>

#include "tools.h"
#include "s_serv.h"
#include "channel_mode.h"
#include "class.h"
#include "client.h"
#include "common.h"
#include "event.h"
#include "fdlist.h"
#include "hash.h"
#include "md5.h"
#include "irc_string.h"
#include "ircd.h"
#include "ircd_defs.h"
#include "list.h"
#include "numeric.h"
#include "packet.h"
#include "res.h"
#include "s_bsd.h"
#include "s_conf.h"
#include "s_log.h"
#include "s_stats.h"
#include "s_user.h"
#include "scache.h"
#include "send.h"
#include "client.h"
#include "s_debug.h"
#include "memory.h"
#include "channel.h" /* chcap_usage_counts stuff...*/
#include "hook.h"
#include "resv.h"
#include "s_gline.h"

extern char *crypt();

#define MIN_CONN_FREQ 300

#ifndef INADDR_NONE
#define INADDR_NONE ((unsigned int) 0xffffffff)
#endif

int MaxConnectionCount = 1;
int MaxClientCount     = 1;
int refresh_user_links = 0;

struct Client *uplink=NULL;

static void        start_io(struct Client *server);
static void        burst_members(struct Client *client_p, dlink_list *list);
static void        burst_ll_members(struct Client *client_p, dlink_list *list);
static void	   add_lazylinkchannel(struct Client *client_p, struct Channel *chptr);
 
static SlinkRplHnd slink_error;
static SlinkRplHnd slink_zipstats;
/*
 * list of recognized server capabilities.  "TS" is not on the list
 * because all servers that we talk to already do TS, and the kludged
 * extra argument to "PASS" takes care of checking that.  -orabidoo
 */
struct Capability captab[] = {
/*  name     cap     */ 
  { "QS",    CAP_QS },
  { "LL",    CAP_LL },
  { "EOB",   CAP_EOB },
  { "HUB",   CAP_HUB },
  { "UID",