380 lines
15 KiB
C
380 lines
15 KiB
C
/*
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* ircd-ratbox: A slightly useful ircd.
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* client.h: The ircd client header.
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*
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* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
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* Copyright (C) 1996-2002 Hybrid Development Team
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* Copyright (C) 2002-2012 ircd-ratbox development team
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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 2 of the License, or
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* (at your option) 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
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* USA
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*
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* $Id: client.h 27371 2012-03-16 05:33:15Z dubkat $
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*/
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#ifndef INCLUDED_client_h
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#define INCLUDED_client_h
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#if !defined(CONFIG_RATBOX_LEVEL_3)
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#error Incorrect config.h for this revision of ircd.
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#endif
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#define PASSWDLEN 128
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/*
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* pre declare structs
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*/
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struct ConfItem;
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struct Whowas;
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struct DNSReply;
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struct Listener;
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struct Client;
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struct LocalUser;
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/*
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* status macros.
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*/
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#define STAT_CONNECTING 0x01
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#define STAT_HANDSHAKE 0x02
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#define STAT_ME 0x04
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#define STAT_UNKNOWN 0x08
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#define STAT_REJECT 0x10
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#define STAT_SERVER 0x20
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#define STAT_CLIENT 0x40
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#define IsRegisteredUser(x) ((x)->status == STAT_CLIENT)
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#define IsRegistered(x) (((x)->status > STAT_UNKNOWN) && ((x)->status != STAT_REJECT))
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#define IsConnecting(x) ((x)->status == STAT_CONNECTING)
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#define IsHandshake(x) ((x)->status == STAT_HANDSHAKE)
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#define IsMe(x) ((x)->status == STAT_ME)
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#define IsUnknown(x) ((x)->status == STAT_UNKNOWN)
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#define IsServer(x) ((x)->status == STAT_SERVER)
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#define IsClient(x) ((x)->status == STAT_CLIENT)
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#define IsReject(x) ((x)->status == STAT_REJECT)
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#define IsAnyServer(x) (IsServer(x) || IsHandshake(x) || IsConnecting(x))
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#define IsOper(x) ((x)->umodes & UMODE_OPER)
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#define IsAdmin(x) ((x)->umodes & UMODE_ADMIN)
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#define SetReject(x) {(x)->status = STAT_REJECT; \
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(x)->handler = UNREGISTERED_HANDLER; }
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#define SetConnecting(x) {(x)->status = STAT_CONNECTING; \
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(x)->handler = UNREGISTERED_HANDLER; }
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#define SetHandshake(x) {(x)->status = STAT_HANDSHAKE; \
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(x)->handler = UNREGISTERED_HANDLER; }
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#define SetMe(x) {(x)->status = STAT_ME; \
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(x)->handler = UNREGISTERED_HANDLER; }
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#define SetUnknown(x) {(x)->status = STAT_UNKNOWN; \
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(x)->handler = UNREGISTERED_HANDLER; }
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#define SetServer(x) {(x)->status = STAT_SERVER; \
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(x)->handler = SERVER_HANDLER; }
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#define SetClient(x) {(x)->status = STAT_CLIENT; \
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(x)->handler = IsOper((x)) ? \
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OPER_HANDLER : CLIENT_HANDLER; }
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#define SetRemoteClient(x) {(x)->status = STAT_CLIENT; \
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(x)->handler = RCLIENT_HANDLER; }
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#define STAT_CLIENT_PARSE (STAT_UNKNOWN | STAT_CLIENT)
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#define STAT_SERVER_PARSE (STAT_CONNECTING | STAT_HANDSHAKE | STAT_SERVER)
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#define PARSE_AS_CLIENT(x) ((x)->status & STAT_CLIENT_PARSE)
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#define PARSE_AS_SERVER(x) ((x)->status & STAT_SERVER_PARSE)
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/*
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* ts stuff
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*/
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#define TS_CURRENT 6
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#define TS_MIN 6
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#define TS_DOESTS 0x10000000
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#define DoesTS(x) ((x)->tsinfo & TS_DOESTS)
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#define has_id(source) ((source)->id[0] != '\0')
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#define use_id(source) ((source)->id[0] != '\0' ? (source)->id : (source)->name)
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/* if target is TS6, use id if it has one, else name */
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#define get_id(source, target) ((IsServer(target->from) && has_id(target->from)) ? \
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use_id(source) : (source)->name)
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/* housekeeping flags */
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#define FLAGS_PINGSENT 0x00000001 /* Unreplied ping sent */
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#define FLAGS_DEAD 0x00000002 /* Local socket is dead--Exiting soon */
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#define FLAGS_KILLED 0x00000004 /* Prevents "QUIT" from being sent for this */
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#define FLAGS_CLOSING 0x00000008 /* set when closing to suppress errors */
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#define FLAGS_GOTID 0x00000010 /* successful ident lookup achieved */
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#define FLAGS_NEEDID 0x00000020 /* I-lines say must use ident return */
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#define FLAGS_NORMALEX 0x00000040 /* Client exited normally */
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#define FLAGS_MARK 0x00000080 /* marked client */
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#define FLAGS_HIDDEN 0x00000100 /* hidden server */
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#define FLAGS_EOB 0x00000200 /* EOB */
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#define FLAGS_MYCONNECT 0x00000400 /* MyConnect */
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#define FLAGS_IOERROR 0x00000800 /* IO error */
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#define FLAGS_SERVICE 0x00001000
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#define FLAGS_TGCHANGE 0x00002000 /* we're allowed to clear something */
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#define FLAGS_EXEMPTRESV 0x00004000
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#define FLAGS_EXEMPTGLINE 0x00008000
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#define FLAGS_EXEMPTKLINE 0x00010000
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#define FLAGS_EXEMPTFLOOD 0x00020000
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#define FLAGS_NOLIMIT 0x00040000
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#define FLAGS_IDLE_LINED 0x00080000
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#define FLAGS_CLICAP 0x00100000
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#define FLAGS_PING_COOKIE 0x00200000
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#define FLAGS_IP_SPOOFING 0x00400000
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#define FLAGS_FLOODDONE 0x00800000
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#define FLAGS_EXEMPTSPAMBOT 0x01000000
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#define FLAGS_EXEMPTSHIDE 0x02000000
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#define FLAGS_EXEMPTJUPE 0x04000000
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/* flags for local clients, this needs stuff moved from above to here at some point */
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#define LFLAGS_SSL 0x00000001
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#define LFLAGS_FLUSH 0x00000002
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#define LFLAGS_CORK 0x00000004
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#define LFLAGS_SENTUSER 0x00000008
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/* umodes, settable flags */
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#define UMODE_SERVNOTICE 0x0001 /* server notices such as kill */
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#define UMODE_CCONN 0x0002 /* Client Connections */
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#define UMODE_REJ 0x0004 /* Bot Rejections */
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#define UMODE_SKILL 0x0008 /* Server Killed */
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#define UMODE_FULL 0x0010 /* Full messages */
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#define UMODE_SPY 0x0020 /* see STATS / LINKS */
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#define UMODE_DEBUG 0x0040 /* 'debugging' info */
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#define UMODE_NCHANGE 0x0080 /* Nick change notice */
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#define UMODE_WALLOP 0x0100 /* send wallops to them */
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#define UMODE_OPERWALL 0x0200 /* Operwalls */
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#define UMODE_INVISIBLE 0x0400 /* makes user invisible */
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#define UMODE_BOTS 0x0800 /* shows bots */
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#define UMODE_EXTERNAL 0x1000 /* show servers introduced and splitting */
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#define UMODE_CALLERID 0x2000 /* block unless caller id's */
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#define UMODE_UNAUTH 0x4000 /* show unauth connects here */
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#define UMODE_LOCOPS 0x8000 /* show locops */
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#define UMODE_OPERSPY 0x10000
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#define UMODE_CCONNEXT 0x20000 /* extended client connections */
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#define UMODE_SERVICE 0x40000
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#define UMODE_DEAF 0x80000
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/* user information flags, only settable by remote mode or local oper */
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#define UMODE_OPER 0x100000 /* Operator */
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#define UMODE_ADMIN 0x200000 /* Admin on server */
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#define UMODE_ALL UMODE_SERVNOTICE
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/* overflow flags */
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/* EARLIER FLAGS ARE IN s_newconf.h */
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#define SEND_UMODES (UMODE_INVISIBLE | UMODE_OPER | UMODE_WALLOP | \
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UMODE_ADMIN | UMODE_SERVICE | UMODE_DEAF)
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#define DEFAULT_OPER_UMODES (UMODE_SERVNOTICE | UMODE_OPERWALL | \
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UMODE_WALLOP | UMODE_LOCOPS)
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#define ALL_UMODES (SEND_UMODES | UMODE_SERVNOTICE | UMODE_CCONN | \
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UMODE_REJ | UMODE_SKILL | UMODE_FULL | UMODE_SPY | \
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UMODE_NCHANGE | UMODE_OPERWALL | UMODE_DEBUG | \
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UMODE_BOTS | UMODE_EXTERNAL | UMODE_LOCOPS | \
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UMODE_ADMIN | UMODE_UNAUTH | UMODE_CALLERID | \
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UMODE_OPERSPY | UMODE_CCONNEXT | UMODE_SERVICE | \
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UMODE_DEAF)
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#define CLICAP_MULTI_PREFIX 0x0001
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/*
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* flags macros.
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*/
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#define MyConnect(x) ((x)->flags & FLAGS_MYCONNECT)
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#define SetMyConnect(x) ((x)->flags |= FLAGS_MYCONNECT)
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#define ClearMyConnect(x) ((x)->flags &= ~FLAGS_MYCONNECT)
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#define MyClient(x) (MyConnect(x) && IsClient(x))
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#define SetMark(x) ((x)->flags |= FLAGS_MARK)
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#define ClearMark(x) ((x)->flags &= ~FLAGS_MARK)
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#define IsMarked(x) ((x)->flags & FLAGS_MARK)
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#define SetHidden(x) ((x)->flags |= FLAGS_HIDDEN)
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#define ClearHidden(x) ((x)->flags &= ~FLAGS_HIDDEN)
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#define IsHidden(x) ((x)->flags & FLAGS_HIDDEN)
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#define ClearEob(x) ((x)->flags &= ~FLAGS_EOB)
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#define SetEob(x) ((x)->flags |= FLAGS_EOB)
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#define HasSentEob(x) ((x)->flags & FLAGS_EOB)
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#define IsDead(x) ((x)->flags & FLAGS_DEAD)
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#define SetDead(x) ((x)->flags |= FLAGS_DEAD)
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#define IsClosing(x) ((x)->flags & FLAGS_CLOSING)
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#define SetClosing(x) ((x)->flags |= FLAGS_CLOSING)
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#define IsIOError(x) ((x)->flags & FLAGS_IOERROR)
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#define SetIOError(x) ((x)->flags |= FLAGS_IOERROR)
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#define IsAnyDead(x) (IsIOError(x) || IsDead(x) || IsClosing(x))
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#define IsTGChange(x) ((x)->flags & FLAGS_TGCHANGE)
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#define SetTGChange(x) ((x)->flags |= FLAGS_TGCHANGE)
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#define ClearTGChange(x) ((x)->flags &= ~FLAGS_TGCHANGE)
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/* local flags */
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#define IsSSL(x) ((x)->localClient->localflags & LFLAGS_SSL)
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#define SetSSL(x) ((x)->localClient->localflags |= LFLAGS_SSL)
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#define ClearSSL(x) ((x)->localClient->localflags &= ~LFLAGS_SSL)
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#define IsFlush(x) ((x)->localClient->localflags & LFLAGS_FLUSH)
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#define SetFlush(x) ((x)->localClient->localflags |= LFLAGS_FLUSH)
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#define ClearFlush(x) ((x)->localClient->localflags &= ~LFLAGS_FLUSH)
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#define HasSentUser(x) ((x)->localClient->localflags & LFLAGS_SENTUSER)
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#define SetSentUser(x) ((x)->localClient->localflags |= LFLAGS_SENTUSER)
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/* oper flags */
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#define MyOper(x) (MyConnect(x) && IsOper(x))
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#define SetOper(x) {(x)->umodes |= UMODE_OPER; \
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if (MyClient((x))) (x)->handler = OPER_HANDLER;}
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#define ClearOper(x) {(x)->umodes &= ~(UMODE_OPER|UMODE_ADMIN); \
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if (MyClient((x)) && !IsOper((x)) && !IsServer((x))) \
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(x)->handler = CLIENT_HANDLER; }
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#define IsPrivileged(x) (IsOper(x) || IsServer(x))
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/* umode flags */
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#define IsInvisible(x) ((x)->umodes & UMODE_INVISIBLE)
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#define SetInvisible(x) ((x)->umodes |= UMODE_INVISIBLE)
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#define ClearInvisible(x) ((x)->umodes &= ~UMODE_INVISIBLE)
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#define SendWallops(x) ((x)->umodes & UMODE_WALLOP)
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#define ClearWallops(x) ((x)->umodes &= ~UMODE_WALLOP)
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#define SendLocops(x) ((x)->umodes & UMODE_LOCOPS)
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#define SendServNotice(x) ((x)->umodes & UMODE_SERVNOTICE)
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#define SendOperwall(x) ((x)->umodes & UMODE_OPERWALL)
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#define SendCConnNotice(x) ((x)->umodes & UMODE_CCONN)
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#define SendRejNotice(x) ((x)->umodes & UMODE_REJ)
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#define SendSkillNotice(x) ((x)->umodes & UMODE_SKILL)
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#define SendFullNotice(x) ((x)->umodes & UMODE_FULL)
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#define SendSpyNotice(x) ((x)->umodes & UMODE_SPY)
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#define SendDebugNotice(x) ((x)->umodes & UMODE_DEBUG)
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#define SendNickChange(x) ((x)->umodes & UMODE_NCHANGE)
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#define SetWallops(x) ((x)->umodes |= UMODE_WALLOP)
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#define SetCallerId(x) ((x)->umodes |= UMODE_CALLERID)
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#define IsSetCallerId(x) ((x)->umodes & UMODE_CALLERID)
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#define IsService(x) ((x)->umodes & UMODE_SERVICE)
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#define IsDeaf(x) ((x)->umodes & UMODE_DEAF)
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#define SetNeedId(x) ((x)->flags |= FLAGS_NEEDID)
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#define IsNeedId(x) (((x)->flags & FLAGS_NEEDID) != 0)
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#define SetGotId(x) ((x)->flags |= FLAGS_GOTID)
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#define IsGotId(x) (((x)->flags & FLAGS_GOTID) != 0)
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#define IsExemptKline(x) ((x)->flags & FLAGS_EXEMPTKLINE)
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#define SetExemptKline(x) ((x)->flags |= FLAGS_EXEMPTKLINE)
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#define IsExemptLimits(x) ((x)->flags & FLAGS_NOLIMIT)
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#define SetExemptLimits(x) ((x)->flags |= FLAGS_NOLIMIT)
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#define IsExemptGline(x) ((x)->flags & FLAGS_EXEMPTGLINE)
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#define SetExemptGline(x) ((x)->flags |= FLAGS_EXEMPTGLINE)
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#define IsExemptFlood(x) ((x)->flags & FLAGS_EXEMPTFLOOD)
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#define SetExemptFlood(x) ((x)->flags |= FLAGS_EXEMPTFLOOD)
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#define IsExemptSpambot(x) ((x)->flags & FLAGS_EXEMPTSPAMBOT)
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#define SetExemptSpambot(x) ((x)->flags |= FLAGS_EXEMPTSPAMBOT)
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#define IsExemptShide(x) ((x)->flags & FLAGS_EXEMPTSHIDE)
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#define SetExemptShide(x) ((x)->flags |= FLAGS_EXEMPTSHIDE)
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#define IsExemptJupe(x) ((x)->flags & FLAGS_EXEMPTJUPE)
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#define SetExemptJupe(x) ((x)->flags |= FLAGS_EXEMPTJUPE)
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#define IsExemptResv(x) ((x)->flags & FLAGS_EXEMPTRESV)
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#define SetExemptResv(x) ((x)->flags |= FLAGS_EXEMPTRESV)
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#define IsIPSpoof(x) ((x)->flags & FLAGS_IP_SPOOFING)
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#define SetIPSpoof(x) ((x)->flags |= FLAGS_IP_SPOOFING)
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#define SetIdlelined(x) ((x)->flags |= FLAGS_IDLE_LINED)
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#define IsIdlelined(x) ((x)->flags & FLAGS_IDLE_LINED)
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#define IsFloodDone(x) ((x)->flags & FLAGS_FLOODDONE)
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#define SetFloodDone(x) ((x)->flags |= FLAGS_FLOODDONE)
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/* These also operate on the uplink from which it came */
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#define IsCork(x) (MyConnect(x) ? (x)->localClient->cork_count : (x)->from->localClient->cork_count)
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#define SetCork(x) (MyConnect(x) ? (x)->localClient->cork_count++ : (x)->from->localClient->cork_count++ )
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#define ClearCork(x) (MyConnect(x) ? (x)->localClient->cork_count-- : (x)->from->localClient->cork_count--)
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/*
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* definitions for get_client_name
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*/
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enum
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{
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HIDE_IP,
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SHOW_IP,
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MASK_IP
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};
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enum
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{
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D_LINED,
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K_LINED,
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G_LINED
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};
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void check_banned_lines(void);
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void check_klines_event(void *unused);
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void check_klines(void);
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const char *get_client_name(struct Client *client, int show_ip);
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const char *log_client_name(struct Client *, int);
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void init_client(void);
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struct Client *make_client(struct Client *from);
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void free_client(struct Client *client);
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int exit_client(struct Client *, struct Client *, struct Client *, const char *);
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void error_exit_client(struct Client *, int);
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void count_local_client_memory(size_t *count, size_t *memory);
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void count_remote_client_memory(size_t *count, size_t *memory);
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struct Client *find_chasing(struct Client *, const char *, int *);
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struct Client *find_person(const char *);
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struct Client *find_named_person(const char *);
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struct Client *next_client(struct Client *, const char *);
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void notify_banned_client(struct Client *client_p, struct ConfItem *aconf, int ban);
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void del_from_accept(struct Client *source, struct Client *target);
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#define accept_message(s, t) ((s) == (t) || (rb_dlinkFind((s), &((t)->localClient->allow_list))))
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void del_all_accepts(struct Client *client_p);
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void dead_link(struct Client *client_p, int);
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int show_ip(struct Client *source_p, struct Client *target_p);
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int show_ip_conf(struct ConfItem *aconf, struct Client *target_p);
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void free_user(struct User *, struct Client *);
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struct User *make_user(struct Client *);
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struct Server *make_server(struct Client *);
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void close_connection(struct Client *);
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void init_uid(void);
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char *generate_uid(void);
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void flood_endgrace(struct Client *);
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void allocate_away(struct Client *);
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void free_away(struct Client *);
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#endif /* INCLUDED_client_h */
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