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