/*
 *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
 *
 *  Copyright (c) 1997-2014 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 *  USA
 */

/*! \file m_admin.c
 * \brief Includes required functions for processing the ADMIN command.
 * \version $Id$
 */

#include "stdinc.h"
#include "client.h"
#include "ircd.h"
#include "numeric.h"
#include "conf.h"
#include "s_serv.h"
#include "send.h"
#include "parse.h"
#include "modules.h"
#include "irc_string.h"



/*! \brief Sends administrative information about this server.
 *
 * \param source_p Pointer to client to report to
 */
static void
do_admin(struct Client *source_p)
{
  const char *me_name = ID_or_name(&me, source_p);
  const char *nick = ID_or_name(source_p, source_p);

  sendto_realops_flags(UMODE_SPY, L_ALL, SEND_NOTICE,
                       "ADMIN requested by %s (%s@%s) [%s]",
                       source_p->name, source_p->username,
                       source_p->host, source_p->servptr->name);

  sendto_one(source_p, form_str(RPL_ADMINME),
             me_name, nick, me.name);

  if (AdminInfo.name != NULL)
    sendto_one(source_p, form_str(RPL_ADMINLOC1),
               me_name, nick, AdminInfo.name);
  if (AdminInfo.description != NULL)
    sendto_one(source_p, form_str(RPL_ADMINLOC2),
               me_name, nick, AdminInfo.description);
  if (AdminInfo.email != NULL)
    sendto_one(source_p, form_str(RPL_ADMINEMAIL),
               me_name, nick, AdminInfo.email);
}

/*! \brief ADMIN command handler (called by already registered,
 *         locally connected clients)
 *
 * \param client_p Pointer to allocated Client struct with physical connection
 *                 to this server, i.e. with an open socket connected.
 * \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] = sender prefix
 *      - parv[1] = nickname/servername
 */
static int
m_admin(struct Client *client_p, struct Client *source_p,
        int parc, char *parv[])
{
  static time_t last_used = 0;

  if ((last_used + ConfigFileEntry.pace_wait_simple) > CurrentTime)
  {
    sendto_one(source_p,form_str(RPL_LOAD2HI),
               me.name, source_p->name);
    return 0;
  }

  last_used = CurrentTime;

  if (!ConfigServerHide.disable_remote_commands)
    if (hunt_server(client_p, source_p, ":%s ADMIN :%s", 1,
                    parc, parv) != HUNTED_ISME)
      return 0;

  do_admin(source_p);
  return 0;
}

/*! \brief ADMIN command handler (called by operators and
 *         remotely connected clients)
 *
 * \param client_p Pointer to allocated Client struct with physical connection
 *                 to this server, i.e. with an open socket connected.
 * \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] = sender prefix
 *      - parv[1] = nickname/servername
 */
static int
ms_admin(struct Client *client_p, struct Client *source_p,
         int parc, char *parv[])
{
  if (hunt_server(client_p, source_p, ":%s ADMIN :%s", 1,
                  parc, parv) != HUNTED_ISME)
    return 0;

  do_admin(source_p);
  return 0;
}

static struct Message admin_msgtab =
{
  "ADMIN", 0, 0, 0, MAXPARA, MFLG_SLOW, 0,
  { m_unregistered, m_admin, ms_admin, m_ignore, ms_admin, m_ignore }
};

static void
module_init(void)
{
  mod_add_cmd(&admin_msgtab);
}

static void
module_exit(void)
{
  mod_del_cmd(&admin_msgtab);
}

struct module module_entry = 
{
  .node    = { NULL, NULL, NULL },
  .name    = NULL,
  .version = "$Revision$",
  .handle  = NULL,
  .modinit = module_init,
  .modexit = module_exit,
  .flags   = 0
};