include/client.h

   1 /*
   2  *  charybdis: A useful ircd.
   3  *  client.h: The ircd client header.
   4  *
   5  *  Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
   6  *  Copyright (C) 1996-2002 Hybrid Development Team
   7  *  Copyright (C) 2002-2004 ircd-ratbox development team
   8  *  Copyright (C) 2005 William Pitcock and Jilles Tjoelker
   9  *
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 2 of the License, or
  13  *  (at your option) any later version.
  14  *
  15  *  This program is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU General Public License for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License
  21  *  along with this program; if not, write to the Free Software
  22  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
  23  *  USA
  24  *
  25  *  $Id: client.h 3446 2007-05-14 22:21:16Z jilles $
  26  */
  27
  28 #ifndef INCLUDED_client_h
  29 #define INCLUDED_client_h
  30
  31 #include "config.h"
  32
  33 #if !defined(CONFIG_RATBOX_LEVEL_1)
  34 #error Incorrect config.h for this revision of ircd.
  35 #endif
  36
  37 #include "ircd_defs.h"
  38 #include "channel.h"
  39 #include "res.h"
  40 #include "snomask.h"
  41 #include "irc_string.h"
  42 #include "sprintf_irc.h"
  43 #include "ircd.h"
  44
  45 /* other structs */
  46 struct Blacklist;
  47
  48 /* we store ipv6 ips for remote clients, so this needs to be v6 always */
  49 #define HOSTIPLEN       53      /* sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255.ipv6") */
  50 #define PASSWDLEN       128
  51 #define CIPHERKEYLEN    64      /* 512bit */
  52 #define CLIENT_BUFSIZE 512      /* must be at least 512 bytes */
  53
  54 #define IDLEN           10
  55
  56 /*
  57  * pre declare structs
  58  */
  59 struct ConfItem;
  60 struct Whowas;
  61 struct DNSReply;
  62 struct Listener;
  63 struct Client;
  64 struct User;
  65 struct Server;
  66 struct LocalUser;
  67 struct AuthRequest;
  68 struct PreClient;
  69 struct ListClient;
  70 struct scache_entry;
  71
  72 /*
  73  * Atheme's coding standards require that we use BSD-style user-defined types
  74  * for stuff. Fun! --nenolod
  75  */
  76 typedef struct User user_t;
  77 typedef struct Server server_t;
  78 typedef struct Client client_t;
  79 typedef struct LocalUser local_user_t;
  80 typedef struct Listener listener_t;
  81 typedef struct DNSReply dns_reply_t;
  82 typedef struct Whowas whowas_entry_t;
  83 typedef struct ConfItem conf_item_t;
  84 typedef struct AuthRequest auth_request_t;
  85 typedef struct PreClient pre_client_t;
  86 typedef struct ListClient list_client_t;
  87
  88 /*
  89  * Client structures
  90  */
  91 struct User
  92 {
  93         rb_dlink_list channel;  /* chain of channel pointer blocks */
  94         rb_dlink_list invited;  /* chain of invite pointer blocks */
  95         char *away;             /* pointer to away message */
  96         int refcnt;             /* Number of times this block is referenced */
  97
  98         char suser[NICKLEN+1];
  99 };
 100
 101 struct Server
 102 {
 103         user_t *user;           /* who activated this connection */
 104         char by[NICKLEN];
 105         rb_dlink_list servers;
 106         rb_dlink_list users;
 107         int caps;               /* capabilities bit-field */
 108         char *fullcaps;
 109         struct scache_entry *nameinfo;
 110 };
 111
 112 struct SlinkRpl
 113 {
 114         int command;
 115         int datalen;
 116         int gotdatalen;
 117         int readdata;
 118         unsigned char *data;
 119 };
 120
 121 struct ZipStats
 122 {
 123         unsigned long in;
 124         unsigned long in_wire;
 125         unsigned long out;
 126         unsigned long out_wire;
 127         unsigned long inK;
 128         unsigned long inK_wire;
 129         unsigned long outK;
 130         unsigned long outK_wire;
 131         double in_ratio;
 132         double out_ratio;
 133 };
 134
 135 struct Client
 136 {
 137         rb_dlink_node node;
 138         rb_dlink_node lnode;
 139         user_t *user;           /* ...defined, if this is a User */
 140         server_t *serv;         /* ...defined, if this is a server */
 141         client_t *servptr;      /* Points to server this Client is on */
 142         client_t *from;         /* == self, if Local Client, *NEVER* NULL! */
 143
 144         whowas_entry_t *whowas; /* Pointers to whowas structs */
 145         time_t tsinfo;          /* TS on the nick, SVINFO on server */
 146         unsigned int umodes;    /* opers, normal users subset */
 147         unsigned int flags;     /* client flags */
 148         unsigned int flags2;    /* ugh. overflow */
 149
 150         unsigned int snomask;   /* server notice mask */
 151
 152         int hopcount;           /* number of servers to this 0 = local */
 153         unsigned short status;  /* Client type */
 154         unsigned char handler;  /* Handler index */
 155         unsigned long serial;   /* used to enforce 1 send per nick */
 156
 157         /* client->name is the unique name for a client nick or host */
 158         char name[HOSTLEN + 1];
 159
 160         /*
 161          * client->username is the username from ident or the USER message,
 162          * If the client is idented the USER message is ignored, otherwise
 163          * the username part of the USER message is put here prefixed with a
 164          * tilde depending on the I:line, Once a client has registered, this
 165          * field should be considered read-only.
 166          */
 167         char username[USERLEN + 1];     /* client's username */
 168
 169         /*
 170          * client->host contains the resolved name or ip address
 171          * as a string for the user, it may be fiddled with for oper spoofing etc.
 172          */
 173         char host[HOSTLEN + 1]; /* client's hostname */
 174         char orighost[HOSTLEN + 1]; /* original hostname (before dynamic spoofing) */
 175         char sockhost[HOSTIPLEN + 1]; /* clients ip */
 176         char info[REALLEN + 1]; /* Free form additional client info */
 177
 178         char id[IDLEN]; /* UID/SID, unique on the network */
 179
 180         /* list of who has this client on their allow list, its counterpart
 181          * is in LocalUser
 182          */
 183         rb_dlink_list on_allow_list;
 184
 185         local_user_t *localClient;
 186         pre_client_t *preClient;
 187 };
 188
 189 struct LocalUser
 190 {
 191         rb_dlink_node tnode;    /* This is the node for the local list type the client is on*/
 192         /*
 193          * The following fields are allocated only for local clients
 194          * (directly connected to *this* server with a socket.
 195          */
 196         /* Anti flooding part, all because of lamers... */
 197         time_t last_join_time;  /* when this client last
 198                                    joined a channel */
 199         time_t last_leave_time; /* when this client last
 200                                  * left a channel */
 201         int join_leave_count;   /* count of JOIN/LEAVE in less than
 202                                    MIN_JOIN_LEAVE_TIME seconds */
 203         int oper_warn_count_down;       /* warn opers of this possible
 204                                            spambot every time this gets to 0 */
 205         time_t last_caller_id_time;
 206         time_t first_received_message_time;
 207         int received_number_of_privmsgs;
 208         int flood_noticed;
 209
 210         time_t lasttime;        /* last time we parsed something */
 211         time_t firsttime;       /* time client was created */
 212
 213         /* Send and receive linebuf queues .. */
 214         buf_head_t buf_sendq;
 215         buf_head_t buf_recvq;
 216         /*
 217          * we want to use unsigned int here so the sizes have a better chance of
 218          * staying the same on 64 bit machines. The current trend is to use
 219          * I32LP64, (32 bit ints, 64 bit longs and pointers) and since ircd
 220          * will NEVER run on an operating system where ints are less than 32 bits,
 221          * it's a relatively safe bet to use ints. Since right shift operations are
 222          * performed on these, it's not safe to allow them to become negative,
 223          * which is possible for long running server connections. Unsigned values
 224          * generally overflow gracefully. --Bleep
 225          */
 226         unsigned int sendM;     /* Statistics: protocol messages send */
 227         unsigned int sendK;     /* Statistics: total k-bytes send */
 228         unsigned int receiveM;  /* Statistics: protocol messages received */
 229         unsigned int receiveK;  /* Statistics: total k-bytes received */
 230         unsigned short sendB;   /* counters to count upto 1-k lots of bytes */
 231         unsigned short receiveB;        /* sent and received. */
 232         listener_t *listener;           /* listener accepted from */
 233         conf_item_t *att_conf;          /* attached conf */
 234         struct server_conf *att_sconf;
 235
 236         struct rb_sockaddr_storage ip;
 237         time_t last_nick_change;
 238         int number_of_nick_changes;
 239
 240         /*
 241          * XXX - there is no reason to save this, it should be checked when it's
 242          * received and not stored, this is not used after registration
 243          *
 244          * agreed. lets get rid of it someday! --nenolod
 245          */
 246         char *passwd;
 247         char *opername; /* name of operator{} block being used or tried (challenge) */
 248         char *challenge;
 249         char *fullcaps;
 250
 251         int caps;               /* capabilities bit-field */
 252         rb_fde_t *F;            /* >= 0, for local clients */
 253
 254         /* time challenge response is valid for */
 255         time_t chal_time;
 256
 257         struct DNSQuery *dnsquery; /* for outgoing server's name lookup */
 258
 259         time_t last_away;       /* Away since... */
 260         time_t last;
 261
 262         /* clients allowed to talk through +g */
 263         rb_dlink_list allow_list;
 264
 265         /* nicknames theyre monitoring */
 266         rb_dlink_list monitor_list;
 267
 268         /*
 269          * Anti-flood stuff. We track how many messages were parsed and how
 270          * many we were allowed in the current second, and apply a simple decay
 271          * to avoid flooding.
 272          *   -- adrian
 273          */
 274         int allow_read;         /* how many we're allowed to read in this second */
 275         int actually_read;      /* how many we've actually read in this second */
 276         int sent_parsed;        /* how many messages we've parsed in this second */
 277         time_t last_knock;      /* time of last knock */
 278         unsigned long random_ping;
 279         auth_request_t  *auth_request;
 280
 281         /* target change stuff */
 282         uint32_t targets[10];           /* targets were aware of (fnv32(use_id(target_p))) */
 283         unsigned int targinfo[2];       /* cyclic array, no in use */
 284         time_t target_last;             /* last time we cleared a slot */
 285
 286         list_client_t *safelist_data;
 287
 288         char *mangledhost; /* non-NULL if host mangling module loaded and
 289                               applicable to this client */
 290
 291         struct _ssl_ctl *ssl_ctl;               /* which ssl daemon we're associate with */
 292         rb_uint32_t localflags;
 293         struct ZipStats *zipstats;              /* zipstats */
 294         rb_uint16_t cork_count;                 /* used for corking/uncorking connections */
 295         struct ev_entry *event;                 /* used for associated events */
 296 };
 297
 298 struct PreClient
 299 {
 300         char spoofnick[NICKLEN + 1];
 301         char spoofuser[USERLEN + 1];
 302         char spoofhost[HOSTLEN + 1];
 303
 304         char sasl_agent[IDLEN];
 305         unsigned char sasl_out;
 306         unsigned char sasl_complete;
 307
 308         rb_dlink_list dnsbl_queries; /* list of struct BlacklistClient * */
 309         struct Blacklist *dnsbl_listed; /* first dnsbl where it's listed */
 310 };
 311
 312 struct ListClient
 313 {
 314         unsigned int hash_indice;
 315         unsigned int users_min, users_max;
 316
 317         /* It would be nice to add other modifiers,
 318          * but not for 1.1 --nenolod
 319          */
 320 };
 321
 322 struct exit_client_hook
 323 {
 324         struct Client *client_p;
 325         char exit_message[TOPICLEN];
 326 };
 327
 328 /*
 329  * status macros.
 330  */
 331 #define STAT_CONNECTING         0x01
 332 #define STAT_HANDSHAKE          0x02
 333 #define STAT_ME                 0x04
 334 #define STAT_UNKNOWN            0x08
 335 #define STAT_REJECT             0x10
 336 #define STAT_SERVER             0x20
 337 #define STAT_CLIENT             0x40
 338
 339
 340 #define IsRegisteredUser(x)     ((x)->status == STAT_CLIENT)
 341 #define IsRegistered(x)         (((x)->status  > STAT_UNKNOWN) && ((x)->status != STAT_REJECT))
 342 #define IsConnecting(x)         ((x)->status == STAT_CONNECTING)
 343 #define IsHandshake(x)          ((x)->status == STAT_HANDSHAKE)
 344 #define IsMe(x)                 ((x)->status == STAT_ME)
 345 #define IsUnknown(x)            ((x)->status == STAT_UNKNOWN)
 346 #define IsServer(x)             ((x)->status == STAT_SERVER)
 347 #define IsClient(x)             ((x)->status == STAT_CLIENT)
 348 #define IsReject(x)             ((x)->status == STAT_REJECT)
 349
 350 #define IsAnyServer(x)          (IsServer(x) || IsHandshake(x) || IsConnecting(x))
 351
 352 #define IsOper(x)               ((x)->umodes & UMODE_OPER)
 353 #define IsAdmin(x)              ((x)->umodes & UMODE_ADMIN)
 354
 355 #define SetReject(x)            {(x)->status = STAT_REJECT; \
 356                                  (x)->handler = UNREGISTERED_HANDLER; }
 357
 358 #define SetConnecting(x)        {(x)->status = STAT_CONNECTING; \
 359                                  (x)->handler = UNREGISTERED_HANDLER; }
 360
 361 #define SetHandshake(x)         {(x)->status = STAT_HANDSHAKE; \
 362                                  (x)->handler = UNREGISTERED_HANDLER; }
 363
 364 #define SetMe(x)                {(x)->status = STAT_ME; \
 365                                  (x)->handler = UNREGISTERED_HANDLER; }
 366
 367 #define SetUnknown(x)           {(x)->status = STAT_UNKNOWN; \
 368                                  (x)->handler = UNREGISTERED_HANDLER; }
 369
 370 #define SetServer(x)            {(x)->status = STAT_SERVER; \
 371                                  (x)->handler = SERVER_HANDLER; }
 372
 373 #define SetClient(x)            {(x)->status = STAT_CLIENT; \
 374                                  (x)->handler = IsOper((x)) ? \
 375                                         OPER_HANDLER : CLIENT_HANDLER; }
 376 #define SetRemoteClient(x)      {(x)->status = STAT_CLIENT; \
 377                                  (x)->handler = RCLIENT_HANDLER; }
 378
 379 #define STAT_CLIENT_PARSE (STAT_UNKNOWN | STAT_CLIENT)
 380 #define STAT_SERVER_PARSE (STAT_CONNECTING | STAT_HANDSHAKE | STAT_SERVER)
 381
 382 #define PARSE_AS_CLIENT(x)      ((x)->status & STAT_CLIENT_PARSE)
 383 #define PARSE_AS_SERVER(x)      ((x)->status & STAT_SERVER_PARSE)
 384
 385
 386 /*
 387  * ts stuff
 388  */
 389 #define TS_CURRENT      6
 390
 391 #ifdef TS6_ONLY
 392 #define TS_MIN          6
 393 #else
 394 #define TS_MIN          3
 395 #endif
 396
 397 #define TS_DOESTS       0x10000000
 398 #define DoesTS(x)       ((x)->tsinfo & TS_DOESTS)
 399
 400 #define has_id(source)  ((source)->id[0] != '\0')
 401 #define use_id(source)  ((source)->id[0] != '\0' ? (source)->id : (source)->name)
 402
 403 /* if target is TS6, use id if it has one, else name */
 404 #define get_id(source, target) ((IsServer(target->from) && has_id(target->from)) ? \
 405                                 use_id(source) : (source)->name)
 406
 407 /* housekeeping flags */
 408
 409 #define FLAGS_PINGSENT     0x0001       /* Unreplied ping sent */
 410 #define FLAGS_DEAD         0x0002       /* Local socket is dead--Exiting soon */
 411 #define FLAGS_KILLED       0x0004       /* Prevents "QUIT" from being sent for this */
 412 #define FLAGS_SENTUSER     0x0008       /* Client sent a USER command. */
 413 #define FLAGS_CLICAP       0x0010       /* In CAP negotiation, wait for CAP END */
 414 #define FLAGS_CLOSING      0x0020       /* set when closing to suppress errors */
 415 #define FLAGS_PING_COOKIE  0x0040       /* has sent ping cookie */
 416 #define FLAGS_GOTID        0x0080       /* successful ident lookup achieved */
 417 #define FLAGS_FLOODDONE    0x0100       /* flood grace period over / reported */
 418 #define FLAGS_NORMALEX     0x0400       /* Client exited normally */
 419 #define FLAGS_SENDQEX      0x0800       /* Sendq exceeded */
 420 #define FLAGS_SERVLINK     0x10000      /* servlink has servlink process */
 421 #define FLAGS_MARK         0x20000      /* marked client */
 422 #define FLAGS_HIDDEN       0x40000      /* hidden server */
 423 #define FLAGS_EOB          0x80000      /* EOB */
 424 #define FLAGS_MYCONNECT    0x100000     /* MyConnect */
 425 #define FLAGS_IOERROR      0x200000     /* IO error */
 426 #define FLAGS_SERVICE      0x400000     /* network service */
 427 #define FLAGS_TGCHANGE     0x800000     /* we're allowed to clear something */
 428 #define FLAGS_DYNSPOOF     0x1000000    /* dynamic spoof, only opers see ip */
 429 #define FLAGS_EXUNKNOWN    0x2000000    /* too many unknowns exit.. */
 430
 431 /* flags for local clients, this needs stuff moved from above to here at some point */
 432 #define LFLAGS_SSL              0x00000001
 433 #define LFLAGS_FLUSH            0x00000002
 434 #define LFLAGS_CORK             0x00000004
 435
 436 /* umodes, settable flags */
 437 /* lots of this moved to snomask -- jilles */
 438 #define UMODE_SERVNOTICE   0x0001       /* server notices */
 439 #define UMODE_WALLOP       0x0100       /* send wallops to them */
 440 #define UMODE_OPERWALL     0x0200       /* Operwalls */
 441 #define UMODE_INVISIBLE    0x0400       /* makes user invisible */
 442 #define UMODE_CALLERID     0x2000       /* block unless caller id's */
 443 #define UMODE_LOCOPS       0x8000       /* show locops */
 444 #define UMODE_SERVICE      0x40000
 445 #define UMODE_DEAF         0x80000
 446 #define UMODE_NOFORWARD    0x400000     /* don't forward */
 447 #define UMODE_REGONLYMSG   0x800000     /* only allow logged in users to msg */
 448
 449 /* user information flags, only settable by remote mode or local oper */
 450 #define UMODE_OPER         0x100000     /* Operator */
 451 #define UMODE_ADMIN        0x200000     /* Admin on server */
 452 #define UMODE_SSLCLIENT    0x400000     /* using SSL */
 453
 454 #define UMODE_ALL          UMODE_SERVNOTICE
 455
 456 /* overflow flags */
 457 /* EARLIER FLAGS ARE IN s_newconf.h */
 458 #define FLAGS2_EXEMPTRESV       0x00400000
 459 #define FLAGS2_EXEMPTGLINE      0x00800000
 460 #define FLAGS2_EXEMPTKLINE      0x01000000
 461 #define FLAGS2_EXEMPTFLOOD      0x02000000
 462 #define FLAGS2_IP_SPOOFING      0x10000000
 463 #define FLAGS2_EXEMPTSPAMBOT    0x20000000
 464 #define FLAGS2_EXEMPTSHIDE      0x40000000
 465 #define FLAGS2_EXEMPTJUPE       0x80000000
 466
 467 #define DEFAULT_OPER_UMODES (UMODE_SERVNOTICE | UMODE_OPERWALL | \
 468                              UMODE_WALLOP | UMODE_LOCOPS)
 469 #define DEFAULT_OPER_SNOMASK SNO_GENERAL
 470
 471 #define CLICAP_MULTI_PREFIX     0x0001
 472 #define CLICAP_SASL             0x0002
 473
 474 /*
 475  * flags macros.
 476  */
 477 #define IsPerson(x)             (IsClient(x) && (x)->user != NULL)
 478 #define HasServlink(x)          ((x)->flags &  FLAGS_SERVLINK)
 479 #define SetServlink(x)          ((x)->flags |= FLAGS_SERVLINK)
 480 #define MyConnect(x)            ((x)->flags & FLAGS_MYCONNECT)
 481 #define SetMyConnect(x)         ((x)->flags |= FLAGS_MYCONNECT)
 482 #define ClearMyConnect(x)       ((x)->flags &= ~FLAGS_MYCONNECT)
 483
 484 #define MyClient(x)             (MyConnect(x) && IsClient(x))
 485 #define SetMark(x)              ((x)->flags |= FLAGS_MARK)
 486 #define ClearMark(x)            ((x)->flags &= ~FLAGS_MARK)
 487 #define IsMarked(x)             ((x)->flags & FLAGS_MARK)
 488 #define SetHidden(x)            ((x)->flags |= FLAGS_HIDDEN)
 489 #define ClearHidden(x)          ((x)->flags &= ~FLAGS_HIDDEN)
 490 #define IsHidden(x)             ((x)->flags & FLAGS_HIDDEN)
 491 #define ClearEob(x)             ((x)->flags &= ~FLAGS_EOB)
 492 #define SetEob(x)               ((x)->flags |= FLAGS_EOB)
 493 #define HasSentEob(x)           ((x)->flags & FLAGS_EOB)
 494 #define IsDead(x)               ((x)->flags &  FLAGS_DEAD)
 495 #define SetDead(x)              ((x)->flags |= FLAGS_DEAD)
 496 #define IsClosing(x)            ((x)->flags & FLAGS_CLOSING)
 497 #define SetClosing(x)           ((x)->flags |= FLAGS_CLOSING)
 498 #define IsIOError(x)            ((x)->flags & FLAGS_IOERROR)
 499 #define SetIOError(x)           ((x)->flags |= FLAGS_IOERROR)
 500 #define IsAnyDead(x)            (IsIOError(x) || IsDead(x) || IsClosing(x))
 501 #define IsTGChange(x)           ((x)->flags & FLAGS_TGCHANGE)
 502 #define SetTGChange(x)          ((x)->flags |= FLAGS_TGCHANGE)
 503 #define ClearTGChange(x)        ((x)->flags &= ~FLAGS_TGCHANGE)
 504 #define IsDynSpoof(x)           ((x)->flags & FLAGS_DYNSPOOF)
 505 #define SetDynSpoof(x)          ((x)->flags |= FLAGS_DYNSPOOF)
 506 #define ClearDynSpoof(x)        ((x)->flags &= ~FLAGS_DYNSPOOF)
 507 #define IsExUnknown(x)          ((x)->flags & FLAGS_EXUNKNOWN)
 508 #define SetExUnknown(x)         ((x)->flags |= FLAGS_EXUNKNOWN)
 509
 510 /* local flags */
 511
 512 #define IsSSL(x)                ((x)->localClient->localflags & LFLAGS_SSL)
 513 #define SetSSL(x)               ((x)->localClient->localflags |= LFLAGS_SSL)
 514 #define ClearSSL(x)             ((x)->localClient->localflags &= ~LFLAGS_SSL)
 515
 516 #define IsFlush(x)              ((x)->localClient->localflags & LFLAGS_FLUSH)
 517 #define SetFlush(x)             ((x)->localClient->localflags |= LFLAGS_FLUSH)
 518 #define ClearFlush(x)           ((x)->localClient->localflags &= ~LFLAGS_FLUSH)
 519
 520 /* oper flags */
 521 #define MyOper(x)               (MyConnect(x) && IsOper(x))
 522
 523 #define SetOper(x)              {(x)->umodes |= UMODE_OPER; \
 524                                  if (MyClient((x))) (x)->handler = OPER_HANDLER;}
 525
 526 #define ClearOper(x)            {(x)->umodes &= ~(UMODE_OPER|UMODE_ADMIN); \
 527                                  if (MyClient((x)) && !IsOper((x)) && !IsServer((x))) \
 528                                   (x)->handler = CLIENT_HANDLER; }
 529
 530 /* umode flags */
 531 #define IsInvisible(x)          ((x)->umodes & UMODE_INVISIBLE)
 532 #define SetInvisible(x)         ((x)->umodes |= UMODE_INVISIBLE)
 533 #define ClearInvisible(x)       ((x)->umodes &= ~UMODE_INVISIBLE)
 534 #define SendWallops(x)          ((x)->umodes & UMODE_WALLOP)
 535 #define SendLocops(x)           ((x)->umodes & UMODE_LOCOPS)
 536 #define SendServNotice(x)       ((x)->umodes & UMODE_SERVNOTICE)
 537 #define SendOperwall(x)         ((x)->umodes & UMODE_OPERWALL)
 538 #define IsSetCallerId(x)        ((x)->umodes & UMODE_CALLERID)
 539 #define IsService(x)            ((x)->umodes & UMODE_SERVICE)
 540 #define IsDeaf(x)               ((x)->umodes & UMODE_DEAF)
 541 #define IsNoForward(x)          ((x)->umodes & UMODE_NOFORWARD)
 542 #define IsSetRegOnlyMsg(x)      ((x)->umodes & UMODE_REGONLYMSG)
 543
 544 #define SetGotId(x)             ((x)->flags |= FLAGS_GOTID)
 545 #define IsGotId(x)              (((x)->flags & FLAGS_GOTID) != 0)
 546
 547 /*
 548  * flags2 macros.
 549  */
 550 #define IsExemptKline(x)        ((x)->flags2 & FLAGS2_EXEMPTKLINE)
 551 #define SetExemptKline(x)       ((x)->flags2 |= FLAGS2_EXEMPTKLINE)
 552 #define IsExemptGline(x)        ((x)->flags2 & FLAGS2_EXEMPTGLINE)
 553 #define SetExemptGline(x)       ((x)->flags2 |= FLAGS2_EXEMPTGLINE)
 554 #define IsExemptFlood(x)        ((x)->flags2 & FLAGS2_EXEMPTFLOOD)
 555 #define SetExemptFlood(x)       ((x)->flags2 |= FLAGS2_EXEMPTFLOOD)
 556 #define IsExemptSpambot(x)      ((x)->flags2 & FLAGS2_EXEMPTSPAMBOT)
 557 #define SetExemptSpambot(x)     ((x)->flags2 |= FLAGS2_EXEMPTSPAMBOT)
 558 #define IsExemptShide(x)        ((x)->flags2 & FLAGS2_EXEMPTSHIDE)
 559 #define SetExemptShide(x)       ((x)->flags2 |= FLAGS2_EXEMPTSHIDE)
 560 #define IsExemptJupe(x)         ((x)->flags2 & FLAGS2_EXEMPTJUPE)
 561 #define SetExemptJupe(x)        ((x)->flags2 |= FLAGS2_EXEMPTJUPE)
 562 #define IsExemptResv(x)         ((x)->flags2 & FLAGS2_EXEMPTRESV)
 563 #define SetExemptResv(x)        ((x)->flags2 |= FLAGS2_EXEMPTRESV)
 564 #define IsIPSpoof(x)            ((x)->flags2 & FLAGS2_IP_SPOOFING)
 565 #define SetIPSpoof(x)           ((x)->flags2 |= FLAGS2_IP_SPOOFING)
 566
 567 /* for local users: flood grace period is over
 568  * for servers: mentioned in networknotice.c notice
 569  */
 570 #define IsFloodDone(x)          ((x)->flags & FLAGS_FLOODDONE)
 571 #define SetFloodDone(x)         ((x)->flags |= FLAGS_FLOODDONE)
 572
 573 /* These also operate on the uplink from which it came */
 574 #define IsCork(x)               (MyConnect(x) ? (x)->localClient->cork_count : (x)->from->localClient->cork_count)
 575 #define SetCork(x)              (MyConnect(x) ? (x)->localClient->cork_count++ : (x)->from->localClient->cork_count++ )
 576 #define ClearCork(x)            (MyConnect(x) ? (x)->localClient->cork_count-- : (x)->from->localClient->cork_count--)
 577
 578 /*
 579  * definitions for get_client_name
 580  */
 581 #define HIDE_IP 0
 582 #define SHOW_IP 1
 583 #define MASK_IP 2
 584
 585 extern void check_banned_lines(void);
 586 extern void check_klines_event(void *unused);
 587 extern void check_klines(void);
 588 extern void check_glines(void);
 589 extern void check_dlines(void);
 590 extern void check_xlines(void);
 591
 592 extern const char *get_client_name(struct Client *client, int show_ip);
 593 extern const char *get_server_name(struct Client *client, int show_ip);
 594 extern const char *log_client_name(struct Client *, int);
 595 extern int is_remote_connect(struct Client *);
 596 extern void init_client(void);
 597 extern client_t *make_client(struct Client *from);
 598 extern void free_pre_client(struct Client *client);
 599 extern void free_client(struct Client *client);
 600
 601 extern int exit_client(struct Client *, struct Client *, struct Client *, const char *);
 602
 603 extern void error_exit_client(struct Client *, int);
 604
 605
 606
 607 extern void count_local_client_memory(size_t * count, size_t * memory);
 608 extern void count_remote_client_memory(size_t * count, size_t * memory);
 609
 610 extern client_t *find_chasing(struct Client *, const char *, int *);
 611 extern client_t *find_person(const char *);
 612 extern client_t *find_named_person(const char *);
 613 extern client_t *next_client(struct Client *, const char *);
 614
 615 #define accept_message(s, t) ((s) == (t) || (rb_dlinkFind((s), &((t)->localClient->allow_list))))
 616 extern void del_all_accepts(struct Client *client_p);
 617
 618 extern void dead_link(struct Client *client_p);
 619 extern int show_ip(struct Client *source_p, struct Client *target_p);
 620 extern int show_ip_conf(struct ConfItem *aconf, struct Client *target_p);
 621
 622 extern void initUser(void);
 623 extern void free_user(struct User *, struct Client *);
 624 extern user_t *make_user(struct Client *);
 625 extern server_t *make_server(struct Client *);
 626 extern void close_connection(struct Client *);
 627 extern void init_uid(void);
 628 extern char *generate_uid(void);
 629
 630 void allocate_away(struct Client *);
 631 void free_away(struct Client *);
 632
 633 #endif /* INCLUDED_client_h */