/*
 * Copyright © 2003-2004 E. Will et al.
 * Copyright © 2005-2006 Atheme Development Group
 * Rights to this code are documented in doc/pod/license.pod.
 *
 * This file contains protocol support for Ultimate3 ircd.
 *
 * $Id: ultimate3.C,v 1.2 2007/07/21 01:29:10 pippijn Exp $
 */

#include "atheme.h"
#include <account/mynick.h>
#include "uplink.h"
#include "pmodule.h"
#include "protocol/ultimate3.h"

static char const rcsid[] = "$Id";

struct ultimate3_listeners : callback::has_listeners
{
};

ultimate3_listeners listeners;

DECLARE_MODULE_V1 ("protocol/ultimate3", true, _modinit, NULL, rcsid, "The Ermyth Team <http://ermyth.schmorp.de>");

/* *INDENT-OFF* */

ircd_t ultimate3 = {
        "UltimateIRCd 3.0.*",           /* IRCd name */
        "$",                            /* TLD Prefix, used by Global. */
        false,                          /* Whether or not we use IRCNet/TS6 UID */
        false,                          /* Whether or not we use RCOMMAND */
        false,                          /* Whether or not we support channel owners. */
        true,                           /* Whether or not we support channel protection. */
        true,                           /* Whether or not we support halfops. */
	false,				/* Whether or not we use P10 */
	true,				/* Whether or not we use vHosts. */
	CMODE_OPERONLY,			/* Oper-only cmodes */
        0,                              /* Integer flag for owner channel flag. */
        CMODE_PROTECT,                  /* Integer flag for protect channel flag. */
        CMODE_HALFOP,                   /* Integer flag for halfops. */
        "+",                            /* Mode we set for owner. */
        "+a",                           /* Mode we set for protect. */
        "+h",                           /* Mode we set for halfops. */
	PROTOCOL_ULTIMATE3,		/* Protocol type */
	0,                              /* Permanent cmodes */
	"be",                           /* Ban-like cmodes */
	'e',                            /* Except mchar */
	0,                              /* Invex mchar */
	0                               /* Flags */
};

cmode_t ultimate3_mode_list[] = {
  { 'i', CMODE_INVITE   },
  { 'm', CMODE_MOD      },
  { 'n', CMODE_NOEXT    },
  { 'p', CMODE_PRIV     },
  { 's', CMODE_SEC      },
  { 't', CMODE_TOPIC    },
  { 'M', CMODE_MODREG   },
  { 'R', CMODE_REGONLY  },
  { 'O', CMODE_OPERONLY },
  { '\0', 0 }
};

extmode ultimate3_ignore_mode_list[] = {
  { '\0', 0 }
};

cmode_t ultimate3_status_mode_list[] = {
  { 'a', CMODE_PROTECT },
  { 'o', CMODE_OP    },
  { 'h', CMODE_HALFOP },
  { 'v', CMODE_VOICE },
  { '\0', 0 }
};

cmode_t ultimate3_prefix_mode_list[] = {
  { '!', CMODE_PROTECT },
  { '@', CMODE_OP    },
  { '%', CMODE_HALFOP  },
  { '+', CMODE_VOICE },
  { '\0', 0 }
};

/* *INDENT-ON* */

/* login to our uplink */
static unsigned int
ultimate3_server_login (void)
{
  int ret;

  ret = sts ("PASS %s :TS", curr_uplink->pass);
  if (ret == 1)
    return 1;

  me.bursting = true;

  sts ("CAPAB TS5 NOQUIT SSJ5 BURST TSMODE NICKIP CLIENT");
  sts ("SERVER %s 1 :%s", me.name, me.desc);
  sts ("SVINFO 5 3 0 :%ld", NOW);

  services_init ();

  return 0;
}

/* introduce a client */
static void
ultimate3_introduce_nick (user_t *u)
{
  sts ("CLIENT %s 1 %ld +%sS + %s %s * %s 0 0 :%s", u->nick, u->ts, "io", u->user, u->host, me.name, u->gecos);
}

/* invite a user to a channel */
static void
ultimate3_invite_sts (user_t *sender, user_t *target, channel_t *channel)
{
  sts (":%s INVITE %s %s", sender->nick, target->nick, channel->name);
}

static void
ultimate3_quit_sts (user_t *u, const char *reason)
{
  if (!me.connected)
    return;

  sts (":%s QUIT :%s", u->nick, reason);
}

/* WALLOPS wrapper */
static void
ultimate3_wallops_sts (const char *text)
{
  sts (":%s GLOBOPS :%s", chansvs.nick, text);
}

/* join a channel */
static void
ultimate3_join_sts (channel_t *c, user_t *u, bool isnew, char *modes)
{
  if (isnew)
    sts (":%s SJOIN %ld %s %s :@%s", me.name, c->ts, c->name, modes, u->nick);
  else
    sts (":%s SJOIN %ld %s + :@%s", me.name, c->ts, c->name, u->nick);
}

/* kicks a user from a channel */
static void
ultimate3_kick (char *from, char *channel, char *to, char *reason)
{
  channel_t *chan = channel_find (channel);
  user_t *user = user_find (to);

  if (!chan || !user)
    return;

  sts (":%s KICK %s %s :%s", from, channel, to, reason);

  chanuser_delete (chan, user);
}

/* PRIVMSG wrapper */
static void
ultimate3_msg (const char *from, const char *target, const char *fmt, ...)
{
  va_list ap;
  char buf[BUFSIZE];

  va_start (ap, fmt);
  vsnprintf (buf, BUFSIZE, fmt, ap);
  va_end (ap);

  sts (":%s PRIVMSG %s :%s", from, target, buf);
}

/* NOTICE wrapper */
static void
ultimate3_notice_user_sts (user_t *from, user_t *target, const char *text)
{
  sts (":%s NOTICE %s :%s", from ? from->nick : me.name, target->nick, text);
}

static void
ultimate3_notice_global_sts (user_t *from, const char *mask, const char *text)
{
  node_t *n;
  tld_t *tld;

  if (!strcmp (mask, "*"))
    {
      LIST_FOREACH (n, tldlist.head)
      {
	tld = static_cast<tld_t *> (n->data);
	sts (":%s NOTICE %s*%s :%s", from ? from->nick : me.name, ircd->tldprefix, tld->name, text);
      }
    }
  else
    sts (":%s NOTICE %s%s :%s", from ? from->nick : me.name, ircd->tldprefix, mask, text);
}

static void
ultimate3_notice_channel_sts (user_t *from, channel_t *target, const char *text)
{
  sts (":%s NOTICE %s :%s", from ? from->nick : me.name, target->name, text);
}

static void
ultimate3_numeric_sts (char *from, int numeric, char *target, char *fmt, ...)
{
  va_list ap;
  char buf[BUFSIZE];

  va_start (ap, fmt);
  vsnprintf (buf, BUFSIZE, fmt, ap);
  va_end (ap);

  sts (":%s %d %s %s", from, numeric, target, buf);
}

/* KILL wrapper */
static void
ultimate3_skill (char *from, char *nick, char *fmt, ...)
{
  va_list ap;
  char buf[BUFSIZE];

  va_start (ap, fmt);
  vsnprintf (buf, BUFSIZE, fmt, ap);
  va_end (ap);

  sts (":%s KILL %s :%s!%s!%s (%s)", from, nick, from, from, from, buf);
}

/* PART wrapper */
static void
ultimate3_part_sts (channel_t *c, user_t *u)
{
  sts (":%s PART %s", u->nick, c->name);
}

/* server-to-server KLINE wrapper */
static void
ultimate3_kline_sts (char *server, char *user, char *host, long duration, char *reason)
{
  if (!me.connected)
    return;

  sts (":%s AKILL %s %s %ld %s %ld :%s", me.name, host, user, duration, opersvs.nick, time (NULL), reason);
}

/* server-to-server UNKLINE wrapper */
static void
ultimate3_unkline_sts (char *server, char *user, char *host)
{
  if (!me.connected)
    return;

  sts (":%s RAKILL %s %s", me.name, host, user);
}

/* topic wrapper */
static void
ultimate3_topic_sts (channel_t *c, const char *setter, time_t ts, time_t prevts, const char *topic)
{
  if (!me.connected || !c)
    return;

  sts (":%s TOPIC %s %s %ld :%s", chansvs.nick, c->name, setter, ts, topic);
}

/* mode wrapper */
static void
ultimate3_mode_sts (char *sender, channel_t *target, char *modes)
{
  if (!me.connected)
    return;

  sts (":%s MODE %s %ld %s", sender, target->name, target->ts, modes);
}

/* ping wrapper */
static void
ultimate3_ping_sts (void)
{
  if (!me.connected)
    return;

  sts ("PING :%s", me.name);
}

/* protocol-specific stuff to do on login */
static void
ultimate3_on_login (char *origin, char *user, char *wantedhost)
{
  user_t *u = user_find (origin);

  if (!me.connected || u == NULL)
    return;

  /* Can only do this for nickserv, and can only record identified
   * state if logged in to correct nick, sorry -- jilles
   */
  if (should_reg_umode (u))
    sts (":%s SVSMODE %s +rd %ld", nicksvs.nick, origin, time (NULL));
}

/* protocol-specific stuff to do on login */
static bool
ultimate3_on_logout (char *origin, char *user, char *wantedhost)
{
  if (!me.connected)
    return false;

  if (!nicksvs.no_nick_ownership)
    sts (":%s SVSMODE %s -r+d %ld", nicksvs.nick, origin, time (NULL));

  return false;
}

static void
ultimate3_jupe (const char *server, const char *reason)
{
  server_t *s;

  if (!me.connected)
    return;

  sts (":%s SQUIT %s :%s", opersvs.nick, server, reason);
  s = server_find (server);
  /* If the server is not directly connected to our uplink, we
   * need to wait for its uplink to process the SQUIT :(
   * -- jilles */
  if (s != NULL && s->uplink != NULL && s->uplink->uplink != me.me)
    s->flags |= SF_JUPE_PENDING;
  else
    sts (":%s SERVER %s 2 :%s", me.name, server, reason);
}

static void
ultimate3_sethost_sts (char *source, char *target, char *host)
{
  if (!me.connected)
    return;

  notice (source, target, "Setting your host to \2%s\2.", host);
  sts (":%s SVSMODE %s +x", source, target);
  sts (":%s SETHOST %s :%s", me.name, target, host);
}

static void
m_topic (sourceinfo_t *si, int parc, char *parv[])
{
  channel_t *c = channel_find (parv[0]);

  if (!c)
    return;

  /* Our uplink is trying to change the topic during burst,
   * and we have already set a topic. Assume our change won.
   * -- jilles */
  if (si->s != NULL && si->s->uplink == me.me && !(si->s->flags & SF_EOB) && c->topic != NULL)
    return;

  handle_topic_from (si, c, parv[1], atol (parv[2]), parv[3]);
}

static void
m_ping (sourceinfo_t *si, int parc, char *parv[])
{
  /* reply to PING's */
  sts (":%s PONG %s %s", me.name, me.name, parv[0]);
}

static void
m_pong (sourceinfo_t *si, int parc, char *parv[])
{
  server_t *s;

  /* someone replied to our PING */
  if (!parv[0])
    return;
  s = server_find (parv[0]);
  if (s == NULL)
    return;
  handle_eob (s);

  if (irccasecmp (me.actual, parv[0]))
    return;

  me.uplinkpong = NOW;

  /* -> :test.projectxero.net PONG test.projectxero.net :shrike.malkier.net */
  if (me.bursting)
    {
#ifdef HAVE_GETTIMEOFDAY
      e_time (burstime, &burstime);

      slog (LG_INFO, "m_pong(): finished synching with uplink (%d %s)", (tv2ms (&burstime) > 1000) ? (tv2ms (&burstime) / 1000) : tv2ms (&burstime), (tv2ms (&burstime) > 1000) ? "s" : "ms");

      wallops ("Finished synching to network in %d %s.", (tv2ms (&burstime) > 1000) ? (tv2ms (&burstime) / 1000) : tv2ms (&burstime), (tv2ms (&burstime) > 1000) ? "s" : "ms");
#else
      slog (LG_INFO, "m_pong(): finished synching with uplink");
      wallops ("Finished synching to network.");
#endif

      me.bursting = false;
    }
}

static void
m_privmsg (sourceinfo_t *si, int parc, char *parv[])
{
  if (parc != 2)
    return;

  handle_message (si, parv[0], false, parv[1]);
}

static void
m_notice (sourceinfo_t *si, int parc, char *parv[])
{
  if (parc != 2)
    return;

  handle_message (si, parv[0], true, parv[1]);
}

static void
m_sjoin (sourceinfo_t *si, int parc, char *parv[])
{
  /*
   *  -> :proteus.malkier.net SJOIN 1073516550 #shrike +tn :@sycobuny @+rakaur
   *      also:
   *  -> :nenolod_ SJOIN 1117334567 #chat
   */

  channel_t *c;
  unsigned int userc;
  char *userv[256];
  unsigned int i;
  time_t ts;

  if (parc >= 4 && si->s != NULL)
    {
      /* :origin SJOIN ts chan modestr [key or limits] :users */
      c = channel_find (parv[1]);
      ts = atol (parv[0]);

      if (!c)
	{
	  slog (LG_DEBUG, "m_sjoin(): new channel: %s", parv[1]);
	  c = channel_add (parv[1], ts, si->s);
	}

      if (ts < c->ts)
	{
	  chanuser_t *cu;
	  node_t *n;

	  /*
	   * the TS changed.  a TS change requires the following things
	   * to be done to the channel:  reset all modes to nothing, remove
	   * all status modes on known users on the channel (including ours),
	   * and set the new TS.
	   */

	  clear_simple_modes (c);

	  LIST_FOREACH (n, c->members.head)
	  {
	    cu = (chanuser_t *) n->data;
	    if (cu->user->server == me.me)
	      {
		/* it's a service, reop */
		sts (":%s PART %s :Reop", cu->user->nick, c->name);
		sts (":%s SJOIN %ld %s + :@%s", me.name, ts, c->name, cu->user->nick);
		cu->modes = CMODE_OP;
	      }
	    else
	      cu->modes = 0;
	  }

	  slog (LG_DEBUG, "m_sjoin(): TS changed for %s (%ld -> %ld)", c->name, c->ts, ts);

	  c->ts = ts;
	  hook_call_event ("channel_tschange", c);
	}

      channel_mode (NULL, c, parc - 3, parv + 2);

      userc = sjtoken (parv[parc - 1], ' ', userv);

      for (i = 0; i < userc; i++)
	chanuser_add (c, userv[i]);

      if (c->nummembers == 0 && !(c->modes & ircd->perm_mode))
	channel_delete (c);
    }
  else if (parc >= 2 && si->su != NULL)
    {
      c = channel_find (parv[1]);
      ts = atol (parv[0]);

      if (c == NULL || ts < c->ts)
	{
	  /* just request a resynch, this will include
	   * the user joining -- jilles */
	  slog (LG_DEBUG, "m_sjoin(): requesting resynch for %s", parv[1]);
	  sts ("RESYNCH %s", parv[1]);
	  return;
	}

      chanuser_add (c, CLIENT_NAME (si->su));
    }
  else
    {
      slog (LG_DEBUG, "m_sjoin(): invalid source/parameters: origin %s parc %d", si->su != NULL ? si->su->nick : (si->s != NULL ? si->s->name : "<none>"), parc);
    }
}

static void
m_part (sourceinfo_t *si, int parc, char *parv[])
{
  int chanc;
  char *chanv[256];
  int i;

  chanc = sjtoken (parv[0], ',', chanv);
  for (i = 0; i < chanc; i++)
    {
      slog (LG_DEBUG, "m_part(): user left channel: %s -> %s", si->su->nick, chanv[i]);

      chanuser_delete (channel_find (chanv[i]), si->su);
    }
}

static void
m_nick (sourceinfo_t *si, int parc, char *parv[])
{
  server_t *s;
  user_t *u;
  char *ipbuf;
  struct in_addr addr;
  bool realchange;

  if (parc == 12)
    {
      s = server_find (parv[8]);
      if (!s)
	{
	  slog (LG_DEBUG, "m_nick(): new user on nonexistant server: %s", parv[6]);
	  return;
	}

      slog (LG_DEBUG, "m_nick(): new user on `%s': %s", s->name, parv[0]);

      addr.s_addr = htonl (strtoul (parv[10], NULL, 0));
      ipbuf = inet_ntoa (addr);
      u = user_add (parv[0], parv[5], parv[6], parv[7], ipbuf, NULL, parv[11], s, atoi (parv[2]));

      /* user modes */
      user_mode (u, parv[3]);
      /* Oper Mode */
      user_mode (u, parv[4]);

      /*
       * Ok, we have the user ready to go.
       * Here's the deal -- if the user's SVID is before
       * the start time, and not 0, then check to see
       * if it's a registered account or not.
       *
       * If it IS registered, deal with that accordingly,
       * via handle_burstlogin(). --nenolod
       */
      /* Changed to just check umode +r for now -- jilles */
#if 0
      /* We can't be sure if this is safe, so disable it for now.
       * (If ircd unsets +r on nick changes, it is safe.)
       * If you know this is safe or want to port over the
       * svsid stuff from unreal.c, you're welcome -- jilles */
      if (strchr (parv[3], 'r'))
	handle_burstlogin (u, NULL);
#endif

      handle_nickchange (u);
    }

  /* if it's only 2 then it's a nickname change */
  else if (parc == 2)
    {
      if (!si->su)
	{
	  slog (LG_DEBUG, "m_nick(): server trying to change nick: %s", si->s != NULL ? si->s->name : "<none>");
	  return;
	}

      slog (LG_DEBUG, "m_nick(): nickname change from `%s': %s", si->su->nick, parv[0]);

      realchange = irccasecmp (si->su->nick, parv[0]);

      user_changenick (si->su, parv[0], atoi (parv[1]));

      /* fix up +r if necessary -- jilles */
      if (realchange && should_reg_umode (si->su))
	/* changed nick to registered one, reset +r */
	sts (":%s SVSMODE %s +rd %ld", nicksvs.nick, parv[0], time (NULL));

      handle_nickchange (si->su);
    }
  else
    {
      int i;

      slog (LG_DEBUG, "m_nick(): got NICK with wrong number of params");

      for (i = 0; i < parc; i++)
	slog (LG_DEBUG, "m_nick():   parv[%d] = %s", i, parv[i]);
    }
}

static void
m_quit (sourceinfo_t *si, int parc, char *parv[])
{
  slog (LG_DEBUG, "m_quit(): user leaving: %s", si->su->nick);

  /* user_delete() takes care of removing channels and so forth */
  user_delete (si->su);
}

static void
m_mode (sourceinfo_t *si, int parc, char *parv[])
{
  if (*parv[0] == '#')
    channel_mode (NULL, channel_find (parv[0]), parc - 2, &parv[2]);
  else
    user_mode (user_find (parv[0]), parv[1]);
}

static void
m_kick (sourceinfo_t *si, int parc, char *parv[])
{
  user_t *u = user_find (parv[1]);
  channel_t *c = channel_find (parv[0]);

  /* -> :rakaur KICK #shrike rintaun :test */
  slog (LG_DEBUG, "m_kick(): user was kicked: %s -> %s", parv[1], parv[0]);

  if (!u)
    {
      slog (LG_DEBUG, "m_kick(): got kick for nonexistant user %s", parv[1]);
      return;
    }

  if (!c)
    {
      slog (LG_DEBUG, "m_kick(): got kick in nonexistant channel: %s", parv[0]);
      return;
    }

  if (!chanuser_find (c, u))
    {
      slog (LG_DEBUG, "m_kick(): got kick for %s not in %s", u->nick, c->name);
      return;
    }

  chanuser_delete (c, u);

  /* if they kicked us, let's rejoin */
  if (is_internal_client (u))
    {
      slog (LG_DEBUG, "m_kick(): %s got kicked from %s; rejoining", u->nick, parv[0]);
      join (parv[0], u->nick);
    }
}

static void
m_chghost (sourceinfo_t *si, int parc, char *parv[])
{
  user_t *u = user_find (parv[0]);

  if (!u)
    return;

  strlcpy (u->vhost, parv[1], HOSTLEN);
}

static void
m_kill (sourceinfo_t *si, int parc, char *parv[])
{
  handle_kill (si, parv[0], parc > 1 ? parv[1] : "<No reason given>");
}

static void
m_squit (sourceinfo_t *si, int parc, char *parv[])
{
  slog (LG_DEBUG, "m_squit(): server leaving: %s from %s", parv[0], parv[1]);
  server_delete (parv[0]);
}

static void
m_server (sourceinfo_t *si, int parc, char *parv[])
{
  server_t *s;

  slog (LG_DEBUG, "m_server(): new server: %s", parv[0]);
  s = handle_server (si, parv[0], NULL, atoi (parv[1]), parv[2]);

  if (s != NULL && s->uplink != me.me)
    {
      /* elicit PONG for EOB detection; pinging uplink is
       * already done elsewhere -- jilles
       */
      sts (":%s PING %s %s", me.name, me.name, s->name);
    }
}

static void
m_stats (sourceinfo_t *si, int parc, char *parv[])
{
  handle_stats (si->su, parv[0][0]);
}

static void
m_admin (sourceinfo_t *si, int parc, char *parv[])
{
  handle_admin (si->su);
}

static void
m_version (sourceinfo_t *si, int parc, char *parv[])
{
  handle_version (si->su);
}

static void
m_info (sourceinfo_t *si, int parc, char *parv[])
{
  handle_info (si->su);
}

static void
m_whois (sourceinfo_t *si, int parc, char *parv[])
{
  handle_whois (si->su, parv[1]);
}

static void
m_trace (sourceinfo_t *si, int parc, char *parv[])
{
  handle_trace (si->su, parv[0], parc >= 2 ? parv[1] : NULL);
}

static void
m_away (sourceinfo_t *si, int parc, char *parv[])
{
  handle_away (si->su, parc >= 1 ? parv[0] : NULL);
}

static void
m_join (sourceinfo_t *si, int parc, char *parv[])
{
  chanuser_t *cu;
  node_t *n, *tn;

  /* JOIN 0 is really a part from all channels */
  if (parv[0][0] == '0')
    {
      LIST_FOREACH_SAFE (n, tn, si->su->channels.head)
      {
	cu = (chanuser_t *) n->data;
	chanuser_delete (cu->chan, si->su);
      }
    }
}

static void
m_pass (sourceinfo_t *si, int parc, char *parv[])
{
  if (strcmp (curr_uplink->pass, parv[0]))
    {
      slog (LG_INFO, "m_pass(): password mismatch from uplink; aborting");
      runflags |= RF_SHUTDOWN;
    }
}

static void
m_error (sourceinfo_t *si, int parc, char *parv[])
{
  slog (LG_INFO, "m_error(): error from server: %s", parv[0]);
}

static void
nick_group (hook_user_req_t * hdata)
{
  user_t *u;

  u = hdata->si->su != NULL && !irccasecmp (hdata->si->su->nick, hdata->mn->nick) ? hdata->si->su : user_find_named (hdata->mn->nick);
  if (u != NULL && should_reg_umode (u))
    sts (":%s SVSMODE %s +rd %ld", nicksvs.nick, u->nick, time (NULL));
}

static void
nick_ungroup (hook_user_req_t * hdata)
{
  user_t *u;

  u = hdata->si->su != NULL && !irccasecmp (hdata->si->su->nick, hdata->mn->nick) ? hdata->si->su : user_find_named (hdata->mn->nick);
  if (u != NULL && !nicksvs.no_nick_ownership)
    sts (":%s SVSMODE %s -r+d %ld", nicksvs.nick, u->nick, time (NULL));
}

void
_modinit (module_t *m)
{
  /* Symbol relocation voodoo. */
  server_login = &ultimate3_server_login;
  introduce_nick = &ultimate3_introduce_nick;
  quit_sts = &ultimate3_quit_sts;
  wallops_sts = &ultimate3_wallops_sts;
  join_sts = &ultimate3_join_sts;
  kick = &ultimate3_kick;
  msg = &ultimate3_msg;
  notice_user_sts = &ultimate3_notice_user_sts;
  notice_global_sts = &ultimate3_notice_global_sts;
  notice_channel_sts = &ultimate3_notice_channel_sts;
  numeric_sts = &ultimate3_numeric_sts;
  skill = &ultimate3_skill;
  part_sts = &ultimate3_part_sts;
  kline_sts = &ultimate3_kline_sts;
  unkline_sts = &ultimate3_unkline_sts;
  topic_sts = &ultimate3_topic_sts;
  mode_sts = &ultimate3_mode_sts;
  ping_sts = &ultimate3_ping_sts;
  ircd_on_login = &ultimate3_on_login;
  ircd_on_logout = &ultimate3_on_logout;
  jupe = &ultimate3_jupe;
  sethost_sts = &ultimate3_sethost_sts;
  invite_sts = &ultimate3_invite_sts;

  mode_list = ultimate3_mode_list;
  ignore_mode_list = ultimate3_ignore_mode_list;
  status_mode_list = ultimate3_status_mode_list;
  prefix_mode_list = ultimate3_prefix_mode_list;

  ircd = &ultimate3;

  pcommand_add ("PING", m_ping, 1, MSRC_USER | MSRC_SERVER);
  pcommand_add ("PONG", m_pong, 1, MSRC_SERVER);
  pcommand_add ("PRIVMSG", m_privmsg, 2, MSRC_USER);
  pcommand_add ("NOTICE", m_notice, 2, MSRC_UNREG | MSRC_USER | MSRC_SERVER);
  pcommand_add ("SJOIN", m_sjoin, 2, MSRC_USER | MSRC_SERVER);
  pcommand_add ("PART", m_part, 1, MSRC_USER);
  pcommand_add ("NICK", m_nick, 2, MSRC_USER | MSRC_SERVER);
  pcommand_add ("CLIENT", m_nick, 2, MSRC_USER | MSRC_SERVER);
  pcommand_add ("QUIT", m_quit, 1, MSRC_USER);
  pcommand_add ("MODE", m_mode, 2, MSRC_USER | MSRC_SERVER);
  pcommand_add ("KICK", m_kick, 2, MSRC_USER | MSRC_SERVER);
  pcommand_add ("KILL", m_kill, 1, MSRC_USER | MSRC_SERVER);
  pcommand_add ("SQUIT", m_squit, 1, MSRC_USER | MSRC_SERVER);
  pcommand_add ("SERVER", m_server, 3, MSRC_UNREG | MSRC_SERVER);
  pcommand_add ("STATS", m_stats, 2, MSRC_USER);
  pcommand_add ("ADMIN", m_admin, 1, MSRC_USER);
  pcommand_add ("VERSION", m_version, 1, MSRC_USER);
  pcommand_add ("INFO", m_info, 1, MSRC_USER);
  pcommand_add ("WHOIS", m_whois, 2, MSRC_USER);
  pcommand_add ("TRACE", m_trace, 1, MSRC_USER);
  pcommand_add ("AWAY", m_away, 0, MSRC_USER);
  pcommand_add ("JOIN", m_join, 1, MSRC_USER);
  pcommand_add ("PASS", m_pass, 1, MSRC_UNREG);
  pcommand_add ("ERROR", m_error, 1, MSRC_UNREG | MSRC_SERVER);
  pcommand_add ("TOPIC", m_topic, 4, MSRC_USER | MSRC_SERVER);
  pcommand_add ("CHGHOST", m_chghost, 2, MSRC_USER | MSRC_SERVER);

  hook_add_event ("nick_group");
  hook_add_hook ("nick_group", (void (*)(void *)) nick_group);
  hook_add_event ("nick_ungroup");
  hook_add_hook ("nick_ungroup", (void (*)(void *)) nick_ungroup);

  m->mflags = MODTYPE_CORE;

  pmodule_loaded = true;
}

/* vim:cinoptions=>s,e0,n0,f0,{0,}0,^0,=s,ps,t0,c3,+s,(2s,us,)20,*30,gs,hs
 * vim:ts=8
 * vim:sw=8
 * vim:noexpandtab
 */