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 "linebuf.h"
  39 #include "channel.h"
  40 #include "res.h"
  41 #include "snomask.h"
  42 #include "irc_string.h"
  43 #include "sprintf_irc.h"
  44 #include "ircd.h"
  45 #include "commio.h"
  46
  47 /* other structs */
  48 struct Blacklist;
  49
  50 /* we store ipv6 ips for remote clients, so this needs to be v6 always */
  51 #define HOSTIPLEN       53      /* sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255.ipv6") */
  52 #define PASSWDLEN       128
  53 #define CIPHERKEYLEN    64      /* 512bit */
  54 #define CLIENT_BUFSIZE 512      /* must be at least 512 bytes */
  55
  56 #define IDLEN           10
  57
  58 /*
  59  * pre declare structs
  60  */
  61 struct ConfItem;
  62 struct Whowas;
  63 struct DNSReply;
  64 struct Listener;
  65 struct Client;
  66 struct User;
  67 struct Server;
  68 struct LocalUser;
  69 struct AuthRequest;
  70 struct PreClient;
  71 struct ListClient;
  72 struct scache_entry;
  73
  74 /*
  75  * Atheme's coding standards require that we use BSD-style user-defined types
  76  * for stuff. Fun! --nenolod
  77  */
  78 typedef struct User user_t;
  79 typedef struct Server server_t;
  80 typedef struct Client client_t;
  81 typedef struct LocalUser local_user_t;
  82 typedef struct Listener listener_t;
  83 typedef struct DNSReply dns_reply_t;
  84 typedef struct Whowas whowas_entry_t;
  85 typedef struct ConfItem conf_item_t;
  86 typedef struct AuthRequest auth_request_t;
  87 typedef struct PreClient pre_client_t;
  88 typedef struct ListClient list_client_t;
  89
  90 /*
  91  * Client structures
  92  */
  93 struct User
  94 {
  95         dlink_list channel;     /* chain of channel pointer blocks */
  96         dlink_list invited;     /* chain of invite pointer blocks */
  97         char *away;             /* pointer to away message */
  98         int refcnt;             /* Number of times this block is referenced */
  99
 100         char suser[NICKLEN+1];
 101 };
 102
 103 struct Server
 104 {
 105         user_t *user;           /* who activated this connection */
 106         char by[NICKLEN];
 107         dlink_list servers;
 108         dlink_list users;
 109         int caps;               /* capabilities bit-field */
 110         char *fullcaps;
 111         struct scache_entry *nameinfo;
 112 };
 113
 114 struct SlinkRpl
 115 {
 116         int command;
 117         int datalen;
 118         int gotdatalen;
 119         int readdata;
 120         unsigned char *data;
 121 };
 122
 123 struct ZipStats
 124 {
 125         unsigned long in;
 126         unsigned long in_wire;
 127         unsigned long out;
 128         unsigned long out_wire;
 129         unsigned long inK;
 130         unsigned long inK_wire;
 131         unsigned long outK;
 132         unsigned long outK_wire;
 133         double in_ratio;
 134         double out_ratio;
 135 };
 136
 137 struct Client
 138 {
 139         dlink_node node;
 140         dlink_node lnode;
 141         user_t *user;           /* ...defined, if this is a User */
 142         server_t *serv;         /* ...defined, if this is a server */
 143         client_t *servptr;      /* Points to server this Client is on */
 144         client_t *from;         /* == self, if Local Client, *NEVER* NULL! */
 145
 146         whowas_entry_t *whowas; /* Pointers to whowas structs */
 147         time_t tsinfo;          /* TS on the nick, SVINFO on server */
 148         unsigned int umodes;    /* opers, normal users subset */
 149         unsigned int flags;     /* client flags */
 150         unsigned int flags2;    /* ugh. overflow */
 151
 152         unsigned int snomask;   /* server notice mask */
 153
 154         int hopcount;           /* number of servers to this 0 = local */
 155         unsigned short status;  /* Client type */
 156         unsigned char handler;  /* Handler index */
 157         unsigned long serial;   /* used to enforce 1 send per nick */
 158
 159         /* client->name is the unique name for a client nick or host */
 160         char name[HOSTLEN + 1];
 161
 162         /*
 163          * client->username is the username from ident or the USER message,
 164          * If the client is idented the USER message is ignored, otherwise
 165          * the username part of the USER message is put here prefixed with a
 166          * tilde depending on the I:line, Once a client has registered, this
 167          * field should be considered read-only.
 168          */
 169         char username[USERLEN + 1];     /* client's username */
 170
 171         /*
 172          * client->host contains the resolved name or ip address
 173          * as a string for the user, it may be fiddled with for oper spoofing etc.
 174          */
 175         char host[HOSTLEN + 1]; /* client's hostname */
 176         char orighost[HOSTLEN + 1]; /* original hostname (before dynamic spoofing) */
 177         char sockhost[HOSTIPLEN + 1]; /* clients ip */
 178         char info[REALLEN + 1]; /* Free form additional client info */
 179
 180         char id[IDLEN]; /* UID/SID, unique on the network */
 181
 182         /* list of who has this client on their allow list, its counterpart
 183          * is in LocalUser
 184          */
 185         dlink_list on_allow_list;
 186
 187         local_user_t *localClient;
 188         pre_client_t *preClient;
 189 };
 190
 191 struct LocalUser
 192 {
 193         dlink_node tnode;       /* This is the node for the local list type the client is on*/
 194         /*
 195          * The following fields are allocated only for local clients
 196          * (directly connected to *this* server with a socket.
 197          */
 198         /* Anti flooding part, all because of lamers... */
 199         time_t last_join_time;  /* when this client last
 200                                    joined a channel */
 201         time_t last_leave_time; /* when this client last
 202                                  * left a channel */
 203         int join_leave_count;   /* count of JOIN/LEAVE in less than
 204                                    MIN_JOIN_LEAVE_TIME seconds */
 205         int oper_warn_count_down;       /* warn opers of this possible
 206                                            spambot every time this gets to 0 */
 207         time_t last_caller_id_time;
 208         time_t first_received_message_time;
 209         int received_number_of_privmsgs;
 210         int flood_noticed;
 211
 212         time_t lasttime;        /* last time we parsed something */
 213         time_t firsttime;       /* time client was created */
 214
 215         /* Send and receive linebuf queues .. */
 216         buf_head_t buf_sendq;
 217         buf_head_t buf_recvq;
 218         /*
 219          * we want to use unsigned int here so the sizes have a better chance of
 220          * staying the same on 64 bit machines. The current trend is to use
 221          * I32LP64, (32 bit ints, 64 bit longs and pointers) and since ircd
 222          * will NEVER run on an operating system where ints are less than 32 bits,
 223          * it's a relatively safe bet to use ints. Since right shift operations are
 224          * performed on these, it's not safe to allow them to become negative,
 225          * which is possible for long running server connections. Unsigned values
 226          * generally overflow gracefully. --Bleep
 227          */
 228         unsigned int sendM;     /* Statistics: protocol messages send */
 229         unsigned int sendK;     /* Statistics: total k-bytes send */
 230         unsigned int receiveM;  /* Statistics: protocol messages received */
 231         unsigned int receiveK;  /* Statistics: total k-bytes received */
 232         unsigned short sendB;   /* counters to count upto 1-k lots of bytes */
 233         unsigned short receiveB;        /* sent and received. */
 234         listener_t *listener;           /* listener accepted from */
 235         conf_item_t *att_conf;          /* attached conf */
 236         struct server_conf *att_sconf;
 237
 238         struct irc_sockaddr_storage ip;
 239         time_t last_nick_change;
 240         int number_of_nick_changes;
 241
 242         /*
 243          * XXX - there is no reason to save this, it should be checked when it's
 244          * received and not stored, this is not used after registration
 245          *
 246          * agreed. lets get rid of it someday! --nenolod
 247          */
 248         char *passwd;
 249         char *opername; /* name of operator{} block being used or tried (challenge) */
 250         char *challenge;
 251         char *fullcaps;
 252
 253         int caps;               /* capabilities bit-field */
 254         int fd;                 /* >= 0, for local clients */
 255
 256         /* time challenge response is valid for */
 257         time_t chal_time;
 258
 259         int ctrlfd;             /* For servers:
 260                                    control fd used for sending commands
 261                                    to servlink */
 262
 263         struct SlinkRpl slinkrpl;       /* slink reply being parsed */
 264         unsigned char *slinkq;  /* sendq for control data */
 265         int slinkq_ofs;         /* ofset into slinkq */
 266         int slinkq_len;         /* length remaining after slinkq_ofs */
 267
 268         struct ZipStats zipstats;
 269
 270         time_t last_away;       /* Away since... */
 271         time_t last;
 272
 273         /* clients allowed to talk through +g */
 274         dlink_list allow_list;
 275
 276         /* nicknames theyre monitoring */
 277         dlink_list monitor_list;
 278
 279         /*
 280          * Anti-flood stuff. We track how many messages were parsed and how
 281          * many we were allowed in the current second, and apply a simple decay
 282          * to avoid flooding.
 283          *   -- adrian
 284          */
 285         int allow_read;         /* how many we're allowed to read in this second */
 286         int actually_read;      /* how many we've actually read in this second */
 287         int sent_parsed;        /* how many messages we've parsed in this second */
 288         time_t last_knock;      /* time of last knock */
 289         unsigned long random_ping;
 290         auth_request_t  *auth_request;
 291
 292         /* target change stuff */
 293         void *targets[10];              /* targets were aware of */
 294         unsigned int targinfo[2];       /* cyclic array, no in use */
 295         time_t target_last;             /* last time we cleared a slot */
 296
 297         list_client_t *safelist_data;
 298
 299         char *mangledhost; /* non-NULL if host mangling module loaded and
 300                               applicable to this client */
 301 };
 302
 303 struct PreClient
 304 {
 305         char spoofnick[NICKLEN + 1];
 306         char spoofuser[USERLEN + 1];
 307         char spoofhost[HOSTLEN + 1];
 308
 309         char sasl_agent[IDLEN];
 310         unsigned char sasl_out;
 311         unsigned char sasl_complete;
 312
 313         dlink_list dnsbl_queries; /* list of struct BlacklistClient * */
 314         struct Blacklist *dnsbl_listed; /* first dnsbl where it's listed */
 315 };
 316
 317 struct ListClient
 318 {
 319         unsigned int hash_indice;
 320         unsigned int users_min, users_max;
 321
 322         /* It would be nice to add other modifiers,
 323          * but not for 1.1 --nenolod
 324          */
 325 };
 326
 327 struct exit_client_hook
 328 {
 329         struct Client *client_p;
 330         char exit_message[TOPICLEN];
 331 };
 332
 333 /*
 334  * status macros.
 335  */
 336 #define STAT_CONNECTING         0x01
 337 #define STAT_HANDSHAKE          0x02
 338 #define STAT_ME                 0x04
 339 #define STAT_UNKNOWN            0x08
 340 #define STAT_REJECT             0x10
 341 #define STAT_SERVER             0x20
 342 #define STAT_CLIENT             0x40
 343
 344
 345 #define IsRegisteredUser(x)     ((x)->status == STAT_CLIENT)
 346 #define IsRegistered(x)         (((x)->status  > STAT_UNKNOWN) && ((x)->status != STAT_REJECT))
 347 #define IsConnecting(x)         ((x)->status == STAT_CONNECTING)
 348 #define IsHandshake(x)          ((x)->status == STAT_HANDSHAKE)
 349 #define IsMe(x)                 ((x)->status == STAT_ME)
 350 #define IsUnknown(x)            ((x)->status == STAT_UNKNOWN)
 351 #define IsServer(x)             ((x)->status == STAT_SERVER)
 352 #define IsClient(x)             ((x)->status == STAT_CLIENT)
 353 #define IsReject(x)             ((x)->status == STAT_REJECT)
 354
 355 #define IsAnyServer(x)          (IsServer(x) || IsHandshake(x) || IsConnecting(x))
 356
 357 #define IsOper(x)               ((x)->umodes & UMODE_OPER)
 358 #define IsAdmin(x)              ((x)->umodes & UMODE_ADMIN)
 359
 360 #define SetReject(x)            {(x)->status = STAT_REJECT; \
 361                                  (x)->handler = UNREGISTERED_HANDLER; }
 362
 363 #define SetConnecting(x)        {(x)->status = STAT_CONNECTING; \
 364                                  (x)->handler = UNREGISTERED_HANDLER; }
 365
 366 #define SetHandshake(x)         {(x)->status = STAT_HANDSHAKE; \
 367                                  (x)->handler = UNREGISTERED_HANDLER; }
 368
 369 #define SetMe(x)                {(x)->status = STAT_ME; \
 370                                  (x)->handler = UNREGISTERED_HANDLER; }
 371
 372 #define SetUnknown(x)           {(x)->status = STAT_UNKNOWN; \
 373                                  (x)->handler = UNREGISTERED_HANDLER; }
 374
 375 #define SetServer(x)            {(x)->status = STAT_SERVER; \
 376                                  (x)->handler = SERVER_HANDLER; }
 377
 378 #define SetClient(x)            {(x)->status = STAT_CLIENT; \
 379                                  (x)->handler = IsOper((x)) ? \
 380                                         OPER_HANDLER : CLIENT_HANDLER; }
 381 #define SetRemoteClient(x)      {(x)->status = STAT_CLIENT; \
 382                                  (x)->handler = RCLIENT_HANDLER; }
 383
 384 #define STAT_CLIENT_PARSE (STAT_UNKNOWN | STAT_CLIENT)
 385 #define STAT_SERVER_PARSE (STAT_CONNECTING | STAT_HANDSHAKE | STAT_SERVER)
 386
 387 #define PARSE_AS_CLIENT(x)      ((x)->status & STAT_CLIENT_PARSE)
 388 #define PARSE_AS_SERVER(x)      ((x)->status & STAT_SERVER_PARSE)
 389
 390
 391 /*
 392  * ts stuff
 393  */
 394 #define TS_CURRENT      6
 395
 396 #ifdef TS6_ONLY
 397 #define TS_MIN          6
 398 #else
 399 #define TS_MIN          3
 400 #endif
 401
 402 #define TS_DOESTS       0x10000000
 403 #define DoesTS(x)       ((x)->tsinfo & TS_DOESTS)
 404
 405 #define has_id(source)  ((source)->id[0] != '\0')
 406 #define use_id(source)  ((source)->id[0] != '\0' ? (source)->id : (source)->name)
 407
 408 /* if target is TS6, use id if it has one, else name */
 409 #define get_id(source, target) ((IsServer(target->from) && has_id(target->from)) ? \
 410                                 use_id(source) : (source)->name)
 411
 412 /* housekeeping flags */
 413
 414 #define FLAGS_PINGSENT     0x0001       /* Unreplied ping sent */
 415 #define FLAGS_DEAD         0x0002       /* Local socket is dead--Exiting soon */
 416 #define FLAGS_KILLED       0x0004       /* Prevents "QUIT" from being sent for this */
 417 #define FLAGS_SENTUSER     0x0008       /* Client sent a USER command. */
 418 #define FLAGS_CLOSING      0x0020       /* set when closing to suppress errors */
 419 #define FLAGS_GOTID        0x0080       /* successful ident lookup achieved */
 420 #define FLAGS_NEEDID       0x0100       /* I-lines say must use ident return */
 421 #define FLAGS_NORMALEX     0x0400       /* Client exited normally */
 422 #define FLAGS_SENDQEX      0x0800       /* Sendq exceeded */
 423 #define FLAGS_SERVLINK     0x10000      /* servlink has servlink process */
 424 #define FLAGS_MARK         0x20000      /* marked client */
 425 #define FLAGS_HIDDEN       0x40000      /* hidden server */
 426 #define FLAGS_EOB          0x80000      /* EOB */
 427 #define FLAGS_MYCONNECT    0x100000     /* MyConnect */
 428 #define FLAGS_IOERROR      0x200000     /* IO error */
 429 #define FLAGS_SERVICE      0x400000     /* network service */
 430 #define FLAGS_TGCHANGE     0x800000     /* we're allowed to clear something */
 431 #define FLAGS_DYNSPOOF     0x1000000    /* dynamic spoof, only opers see ip */
 432 #define FLAGS_EXUNKNOWN    0x2000000    /* too many unknowns exit.. */
 433
 434 /* umodes, settable flags */
 435 /* lots of this moved to snomask -- jilles */
 436 #define UMODE_SERVNOTICE   0x0001       /* server notices */
 437 #define UMODE_WALLOP       0x0100       /* send wallops to them */
 438 #define UMODE_OPERWALL     0x0200       /* Operwalls */
 439 #define UMODE_INVISIBLE    0x0400       /* makes user invisible */
 440 #define UMODE_CALLERID     0x2000       /* block unless caller id's */
 441 #define UMODE_LOCOPS       0x8000       /* show locops */
 442 #define UMODE_SERVICE      0x40000
 443 #define UMODE_DEAF         0x80000
 444 #define UMODE_NOFORWARD    0x400000     /* don't forward */
 445 #define UMODE_REGONLYMSG   0x800000     /* only allow logged in users to msg */
 446
 447 /* user information flags, only settable by remote mode or local oper */
 448 #define UMODE_OPER         0x100000     /* Operator */
 449 #define UMODE_ADMIN        0x200000     /* Admin on server */
 450
 451 #define UMODE_ALL          UMODE_SERVNOTICE
 452
 453 /* overflow flags */
 454 /* EARLIER FLAGS ARE IN s_newconf.h */
 455 #define FLAGS2_EXEMPTRESV       0x0080000
 456 #define FLAGS2_EXEMPTGLINE      0x0100000
 457 #define FLAGS2_EXEMPTKLINE      0x0200000
 458 #define FLAGS2_EXEMPTFLOOD      0x0400000
 459 #define FLAGS2_NOLIMIT          0x0800000
 460 #define FLAGS2_IDLE_LINED       0x1000000
 461 #define FLAGS2_CLICAP           0x2000000
 462 #define FLAGS2_PING_COOKIE      0x4000000
 463 #define FLAGS2_IP_SPOOFING      0x8000000
 464 #define FLAGS2_FLOODDONE        0x10000000
 465 #define FLAGS2_EXEMPTSPAMBOT    0x20000000
 466 #define FLAGS2_EXEMPTSHIDE      0x40000000
 467 #define FLAGS2_EXEMPTJUPE       0x80000000
 468
 469 #define DEFAULT_OPER_UMODES (UMODE_SERVNOTICE | UMODE_OPERWALL | \
 470                              UMODE_WALLOP | UMODE_LOCOPS)
 471 #define DEFAULT_OPER_SNOMASK SNO_GENERAL
 472
 473 #define FLAGS_ID     (FLAGS_NEEDID | FLAGS_GOTID)
 474
 475 #define CLICAP_MULTI_PREFIX     0x0001
 476 #define CLICAP_SASL             0x0002
 477
 478 /*
 479  * flags macros.
 480  */
 481 #define IsPerson(x)             (IsClient(x) && (x)->user != NULL)
 482 #define HasServlink(x)          ((x)->flags &  FLAGS_SERVLINK)
 483 #define SetServlink(x)          ((x)->flags |= FLAGS_SERVLINK)
 484 #define MyConnect(x)            ((x)->flags & FLAGS_MYCONNECT)
 485 #define SetMyConnect(x)         ((x)->flags |= FLAGS_MYCONNECT)
 486 #define ClearMyConnect(x)       ((x)->flags &= ~FLAGS_MYCONNECT)
 487
 488 #define MyClient(x)             (MyConnect(x) && IsClient(x))
 489 #define SetMark(x)              ((x)->flags |= FLAGS_MARK)
 490 #define ClearMark(x)            ((x)->flags &= ~FLAGS_MARK)
 491 #define IsMarked(x)             ((x)->flags & FLAGS_MARK)
 492 #define SetHidden(x)            ((x)->flags |= FLAGS_HIDDEN)
 493 #define ClearHidden(x)          ((x)->flags &= ~FLAGS_HIDDEN)
 494 #define IsHidden(x)             ((x)->flags & FLAGS_HIDDEN)
 495 #define ClearEob(x)             ((x)->flags &= ~FLAGS_EOB)
 496 #define SetEob(x)               ((x)->flags |= FLAGS_EOB)
 497 #define HasSentEob(x)           ((x)->flags & FLAGS_EOB)
 498 #define IsDead(x)               ((x)->flags &  FLAGS_DEAD)
 499 #define SetDead(x)              ((x)->flags |= FLAGS_DEAD)
 500 #define IsClosing(x)            ((x)->flags & FLAGS_CLOSING)
 501 #define SetClosing(x)           ((x)->flags |= FLAGS_CLOSING)
 502 #define IsIOError(x)            ((x)->flags & FLAGS_IOERROR)
 503 #define SetIOError(x)           ((x)->flags |= FLAGS_IOERROR)
 504 #define IsAnyDead(x)            (IsIOError(x) || IsDead(x) || IsClosing(x))
 505 #define IsTGChange(x)           ((x)->flags & FLAGS_TGCHANGE)
 506 #define SetTGChange(x)          ((x)->flags |= FLAGS_TGCHANGE)
 507 #define ClearTGChange(x)        ((x)->flags &= ~FLAGS_TGCHANGE)
 508 #define IsDynSpoof(x)           ((x)->flags & FLAGS_DYNSPOOF)
 509 #define SetDynSpoof(x)          ((x)->flags |= FLAGS_DYNSPOOF)
 510 #define ClearDynSpoof(x)        ((x)->flags &= ~FLAGS_DYNSPOOF)
 511 #define IsExUnknown(x)          ((x)->flags & FLAGS_EXUNKNOWN)
 512 #define SetExUnknown(x)         ((x)->flags |= FLAGS_EXUNKNOWN)
 513
 514 /* oper flags */
 515 #define MyOper(x)               (MyConnect(x) && IsOper(x))
 516
 517 #define SetOper(x)              {(x)->umodes |= UMODE_OPER; \
 518                                  if (MyClient((x))) (x)->handler = OPER_HANDLER;}
 519
 520 #define ClearOper(x)            {(x)->umodes &= ~(UMODE_OPER|UMODE_ADMIN); \
 521                                  if (MyClient((x)) && !IsOper((x)) && !IsServer((x))) \
 522                                   (x)->handler = CLIENT_HANDLER; }
 523
 524 #define IsPrivileged(x)         (IsOper(x) || IsServer(x))
 525
 526 /* umode flags */
 527 #define IsInvisible(x)          ((x)->umodes & UMODE_INVISIBLE)
 528 #define SetInvisible(x)         ((x)->umodes |= UMODE_INVISIBLE)
 529 #define ClearInvisible(x)       ((x)->umodes &= ~UMODE_INVISIBLE)
 530 #define SendWallops(x)          ((x)->umodes & UMODE_WALLOP)
 531 #define ClearWallops(x)         ((x)->umodes &= ~UMODE_WALLOP)
 532 #define SendLocops(x)           ((x)->umodes & UMODE_LOCOPS)
 533 #define SendServNotice(x)       ((x)->umodes & UMODE_SERVNOTICE)
 534 #define SendOperwall(x)         ((x)->umodes & UMODE_OPERWALL)
 535 #define SetWallops(x)           ((x)->umodes |= UMODE_WALLOP)
 536 #define SetCallerId(x)          ((x)->umodes |= UMODE_CALLERID)
 537 #define IsSetCallerId(x)        ((x)->umodes & UMODE_CALLERID)
 538 #define IsService(x)            ((x)->umodes & UMODE_SERVICE)
 539 #define IsDeaf(x)               ((x)->umodes & UMODE_DEAF)
 540 #define IsNoForward(x)          ((x)->umodes & UMODE_NOFORWARD)
 541 #define IsSetRegOnlyMsg(x)      ((x)->umodes & UMODE_REGONLYMSG)
 542
 543 #define SetNeedId(x)            ((x)->flags |= FLAGS_NEEDID)
 544 #define IsNeedId(x)             (((x)->flags & FLAGS_NEEDID) != 0)
 545
 546 #define SetGotId(x)             ((x)->flags |= FLAGS_GOTID)
 547 #define IsGotId(x)              (((x)->flags & FLAGS_GOTID) != 0)
 548
 549 /*
 550  * flags2 macros.
 551  */
 552 #define IsExemptKline(x)        ((x)->flags2 & FLAGS2_EXEMPTKLINE)
 553 #define SetExemptKline(x)       ((x)->flags2 |= FLAGS2_EXEMPTKLINE)
 554 #define IsExemptLimits(x)       ((x)->flags2 & FLAGS2_NOLIMIT)
 555 #define SetExemptLimits(x)      ((x)->flags2 |= FLAGS2_NOLIMIT)
 556 #define IsExemptGline(x)        ((x)->flags2 & FLAGS2_EXEMPTGLINE)
 557 #define SetExemptGline(x)       ((x)->flags2 |= FLAGS2_EXEMPTGLINE)
 558 #define IsExemptFlood(x)        ((x)->flags2 & FLAGS2_EXEMPTFLOOD)
 559 #define SetExemptFlood(x)       ((x)->flags2 |= FLAGS2_EXEMPTFLOOD)
 560 #define IsExemptSpambot(x)      ((x)->flags2 & FLAGS2_EXEMPTSPAMBOT)
 561 #define SetExemptSpambot(x)     ((x)->flags2 |= FLAGS2_EXEMPTSPAMBOT)
 562 #define IsExemptShide(x)        ((x)->flags2 & FLAGS2_EXEMPTSHIDE)
 563 #define SetExemptShide(x)       ((x)->flags2 |= FLAGS2_EXEMPTSHIDE)
 564 #define IsExemptJupe(x)         ((x)->flags2 & FLAGS2_EXEMPTJUPE)
 565 #define SetExemptJupe(x)        ((x)->flags2 |= FLAGS2_EXEMPTJUPE)
 566 #define IsExemptResv(x)         ((x)->flags2 & FLAGS2_EXEMPTRESV)
 567 #define SetExemptResv(x)        ((x)->flags2 |= FLAGS2_EXEMPTRESV)
 568 #define IsIPSpoof(x)            ((x)->flags2 & FLAGS2_IP_SPOOFING)
 569 #define SetIPSpoof(x)           ((x)->flags2 |= FLAGS2_IP_SPOOFING)
 570
 571 #define SetIdlelined(x)         ((x)->flags2 |= FLAGS2_IDLE_LINED)
 572 #define IsIdlelined(x)          ((x)->flags2 & FLAGS2_IDLE_LINED)
 573
 574 /* for local users: flood grace period is over
 575  * for servers: mentioned in networknotice.c notice
 576  */
 577 #define IsFloodDone(x)          ((x)->flags2 & FLAGS2_FLOODDONE)
 578 #define SetFloodDone(x)         ((x)->flags2 |= FLAGS2_FLOODDONE)
 579
 580 /*
 581  * definitions for get_client_name
 582  */
 583 #define HIDE_IP 0
 584 #define SHOW_IP 1
 585 #define MASK_IP 2
 586
 587 extern void check_banned_lines(void);
 588 extern void check_klines_event(void *unused);
 589 extern void check_klines(void);
 590 extern void check_glines(void);
 591 extern void check_dlines(void);
 592 extern void check_xlines(void);
 593
 594 extern const char *get_client_name(struct Client *client, int show_ip);
 595 extern const char *get_server_name(struct Client *client, int show_ip);
 596 extern const char *log_client_name(struct Client *, int);
 597 extern int is_remote_connect(struct Client *);
 598 extern void init_client(void);
 599 extern client_t *make_client(struct Client *from);
 600 extern void free_pre_client(struct Client *client);
 601 extern void free_client(struct Client *client);
 602
 603 extern int exit_client(struct Client *, struct Client *, struct Client *, const char *);
 604
 605 extern void error_exit_client(struct Client *, int);
 606
 607
 608
 609 extern void count_local_client_memory(size_t * count, size_t * memory);
 610 extern void count_remote_client_memory(size_t * count, size_t * memory);
 611
 612 extern client_t *find_chasing(struct Client *, const char *, int *);
 613 extern client_t *find_person(const char *);
 614 extern client_t *find_named_person(const char *);
 615 extern client_t *next_client(struct Client *, const char *);
 616
 617 #define accept_message(s, t) ((s) == (t) || (dlinkFind((s), &((t)->localClient->allow_list))))
 618 extern void del_all_accepts(struct Client *client_p);
 619
 620 extern void dead_link(struct Client *client_p);
 621 extern int show_ip(struct Client *source_p, struct Client *target_p);
 622 extern int show_ip_conf(struct ConfItem *aconf, struct Client *target_p);
 623
 624 extern void initUser(void);
 625 extern void free_user(struct User *, struct Client *);
 626 extern user_t *make_user(struct Client *);
 627 extern server_t *make_server(struct Client *);
 628 extern void close_connection(struct Client *);
 629 extern void init_uid(void);
 630 extern char *generate_uid(void);
 631
 632 #endif /* INCLUDED_client_h */