174 lines
6.0 KiB
C
174 lines
6.0 KiB
C
/*
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* IRC - Internet Relay Chat, ircd/m_lusers.c
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* Copyright (C) 1990 Jarkko Oikarinen and
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* University of Oulu, Computing Center
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*
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* See file AUTHORS in IRC package for additional names of
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* the programmers.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 1, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Id: m_lusers.c 1818 2007-07-14 02:40:01Z isomer $
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*/
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/*
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* m_functions execute protocol messages on this server:
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*
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* cptr is always NON-NULL, pointing to a *LOCAL* client
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* structure (with an open socket connected!). This
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* identifies the physical socket where the message
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* originated (or which caused the m_function to be
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* executed--some m_functions may call others...).
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*
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* sptr is the source of the message, defined by the
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* prefix part of the message if present. If not
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* or prefix not found, then sptr==cptr.
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*
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* (!IsServer(cptr)) => (cptr == sptr), because
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* prefixes are taken *only* from servers...
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*
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* (IsServer(cptr))
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* (sptr == cptr) => the message didn't
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* have the prefix.
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*
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* (sptr != cptr && IsServer(sptr) means
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* the prefix specified servername. (?)
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*
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* (sptr != cptr && !IsServer(sptr) means
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* that message originated from a remote
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* user (not local).
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*
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* combining
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*
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* (!IsServer(sptr)) means that, sptr can safely
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* taken as defining the target structure of the
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* message in this server.
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*
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* *Always* true (if 'parse' and others are working correct):
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*
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* 1) sptr->from == cptr (note: cptr->from == cptr)
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*
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* 2) MyConnect(sptr) <=> sptr == cptr (e.g. sptr
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* *cannot* be a local connection, unless it's
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* actually cptr!). [MyConnect(x) should probably
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* be defined as (x == x->from) --msa ]
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*
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* parc number of variable parameter strings (if zero,
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* parv is allowed to be NULL)
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*
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* parv a NULL terminated list of parameter pointers,
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*
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* parv[0], sender (prefix string), if not present
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* this points to an empty string.
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* parv[1]...parv[parc-1]
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* pointers to additional parameters
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* parv[parc] == NULL, *always*
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*
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* note: it is guaranteed that parv[0]..parv[parc-1] are all
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* non-NULL pointers.
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*/
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#include "config.h"
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#include "client.h"
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#include "ircd.h"
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#include "ircd_features.h"
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#include "ircd_log.h"
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#include "ircd_reply.h"
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#include "ircd_string.h"
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#include "msg.h"
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#include "numeric.h"
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#include "numnicks.h"
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#include "querycmds.h"
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#include "s_user.h"
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#include "s_serv.h"
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#include "send.h"
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/* #include <assert.h> -- Now using assert in ircd_log.h */
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/*
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* m_lusers - generic message handler
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*
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* parv[0] = sender
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* parv[1] = ignored
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* parv[2] = server to query
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*/
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int m_lusers(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
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{
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int longoutput = MyUser(sptr) || IsOper(sptr);
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if (parc > 2)
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if (hunt_server_cmd(sptr, CMD_LUSERS, cptr, feature_int(FEAT_HIS_REMOTE),
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"%s :%C", 2, parc, parv) != HUNTED_ISME)
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return 0;
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assert(UserStats.inv_clients <= UserStats.clients + UserStats.unknowns);
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send_reply(sptr, RPL_LUSERCLIENT,
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UserStats.clients - UserStats.inv_clients + UserStats.unknowns,
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UserStats.inv_clients, UserStats.servers);
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if (longoutput && UserStats.opers)
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send_reply(sptr, RPL_LUSEROP, UserStats.opers);
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if (UserStats.unknowns > 0)
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send_reply(sptr, RPL_LUSERUNKNOWN, UserStats.unknowns);
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if (longoutput && UserStats.channels > 0)
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send_reply(sptr, RPL_LUSERCHANNELS, UserStats.channels);
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send_reply(sptr, RPL_LUSERME, UserStats.local_clients,
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UserStats.local_servers);
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send_reply(sptr, RPL_CURRENT_LOCAL, UserStats.local_clients, UserStats.local_clients_max);
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send_reply(sptr, RPL_CURRENT_GLOBAL, UserStats.clients, UserStats.clients_max);
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sendcmdto_one(&me, CMD_NOTICE, sptr, "%C :Highest connection count: "
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"%d (%d clients)", sptr, max_connection_count,
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max_client_count);
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return 0;
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}
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/*
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* ms_lusers - server message handler
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*
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* parv[0] = sender
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* parv[1] = ignored
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* parv[2] = server to query
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*/
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int ms_lusers(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
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{
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int longoutput = MyUser(sptr) || IsOper(sptr);
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if (parc > 2)
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if (hunt_server_cmd(sptr, CMD_LUSERS, cptr, 0, "%s :%C", 2, parc, parv) !=
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HUNTED_ISME)
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return 0;
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send_reply(sptr, RPL_LUSERCLIENT, UserStats.clients - UserStats.inv_clients,
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UserStats.inv_clients, UserStats.servers);
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if (longoutput && UserStats.opers)
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send_reply(sptr, RPL_LUSEROP, UserStats.opers);
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if (UserStats.unknowns > 0)
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send_reply(sptr, RPL_LUSERUNKNOWN, UserStats.unknowns);
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if (longoutput && UserStats.channels > 0)
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send_reply(sptr, RPL_LUSERCHANNELS, UserStats.channels);
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send_reply(sptr, RPL_LUSERME, UserStats.local_clients,
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UserStats.local_servers);
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send_reply(sptr, RPL_CURRENT_LOCAL, UserStats.local_clients, UserStats.local_clients_max);
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send_reply(sptr, RPL_CURRENT_GLOBAL, UserStats.clients, UserStats.clients_max);
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sendcmdto_one(&me, CMD_NOTICE, sptr, "%C :Highest connection count: "
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"%d (%d clients)", sptr, max_connection_count,
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max_client_count);
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return 0;
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}
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