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 "match.h"
  42 #include "ircd.h"
  43
  44 /* other structs */
  45 struct Blacklist;
  46
  47 /* we store ipv6 ips for remote clients, so this needs to be v6 always */
  48 #define HOSTIPLEN       53      /* sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255.ipv6") */
  49 #define PASSWDLEN       128
  50 #define CIPHERKEYLEN    64      /* 512bit */
  51 #define CLIENT_BUFSIZE 512      /* must be at least 512 bytes */
  52
  53 #define IDLEN           10
  54
  55 /*
  56  * pre declare structs
  57  */
  58 struct ConfItem;
  59 struct Whowas;
  60 struct DNSReply;
  61 struct Listener;
  62 struct Client;
  63 struct User;
  64 struct Server;
  65 struct LocalUser;
  66 struct AuthRequest;
  67 struct PreClient;
  68 struct ListClient;
  69 struct scache_entry;
  70
  71 /*
  72  * Atheme's coding standards require that we use BSD-style user-defined types
  73  * for stuff. Fun! --nenolod
  74  */
  75 typedef struct User user_t;
  76 typedef struct Server server_t;
  77 typedef struct Client client_t;
  78 typedef struct LocalUser local_user_t;
  79 typedef struct Listener listener_t;
  80 typedef struct DNSReply dns_reply_t;
  81 typedef struct Whowas whowas_entry_t;
  82 typedef struct ConfItem conf_item_t;
  83 typedef struct AuthRequest auth_request_t;
  84 typedef struct PreClient pre_client_t;
  85 typedef struct ListClient list_client_t;
  86
  87 /*
  88  * Client structures
  89  */
  90 struct User
  91 {
  92         rb_dlink_list channel;  /* chain of channel pointer blocks */
  93         rb_dlink_list invited;  /* chain of invite pointer blocks */
  94         char *away;             /* pointer to away message */
  95         int refcnt;             /* Number of times this block is referenced */
  96
  97         char suser[NICKLEN+1];
  98 };
  99
 100 struct Server
 101 {
 102         user_t *user;           /* who activated this connection */
 103         char by[NICKLEN];
 104         rb_dlink_list servers;
 105         rb_dlink_list users;
 106         int caps;               /* capabilities bit-field */
 107         char *fullcaps;
 108         struct scache_entry *nameinfo;
 109 };
 110
 111 struct ZipStats
 112 {
 113         unsigned long long in;
 114         unsigned long long in_wire;
 115         unsigned long long out;
 116         unsigned long long out_wire;
 117         double in_ratio;
 118         double out_ratio;
 119 };
 120
 121 struct Client
 122 {
 123         rb_dlink_node node;
 124         rb_dlink_node lnode;
 125         user_t *user;           /* ...defined, if this is a User */
 126         server_t *serv;         /* ...defined, if this is a server */
 127         client_t *servptr;      /* Points to server this Client is on */
 128         client_t *from;         /* == self, if Local Client, *NEVER* NULL! */
 129
 130         whowas_entry_t *whowas; /* Pointers to whowas structs */
 131         time_t tsinfo;          /* TS on the nick, SVINFO on server */
 132         unsigned int umodes;    /* opers, normal users subset */
 133         unsigned int flags;     /* client flags */
 134         unsigned int flags2;    /* ugh. overflow */
 135
 136         unsigned int snomask;   /* server notice mask */
 137
 138         int hopcount;           /* number of servers to this 0 = local */
 139         unsigned short status;  /* Client type */
 140         unsigned char handler;  /* Handler index */
 141         unsigned long serial;   /* used to enforce 1 send per nick */
 142
 143         /* client->name is the unique name for a client nick or host */
 144         char name[HOSTLEN + 1];
 145
 146         /*
 147          * client->username is the username from ident or the USER message,
 148          * If the client is idented the USER message is ignored, otherwise
 149          * the username part of the USER message is put here prefixed with a
 150          * tilde depending on the I:line, Once a client has registered, this
 151          * field should be considered read-only.
 152          */
 153         char username[USERLEN + 1];     /* client's username */
 154
 155         /*
 156          * client->host contains the resolved name or ip address
 157          * as a string for the user, it may be fiddled with for oper spoofing etc.
 158          */
 159         char host[HOSTLEN + 1]; /* client's hostname */
 160         char orighost[HOSTLEN + 1]; /* original hostname (before dynamic spoofing) */
 161         char sockhost[HOSTIPLEN + 1]; /* clients ip */
 162         char info[REALLEN + 1]; /* Free form additional client info */
 163
 164         char id[IDLEN]; /* UID/SID, unique on the network */
 165
 166         /* list of who has this client on their allow list, its counterpart
 167          * is in LocalUser
 168          */
 169         rb_dlink_list on_allow_list;
 170
 171         time_t first_received_message_time;
 172         int received_number_of_privmsgs;
 173         int flood_noticed;
 174
 175         local_user_t *localClient;
 176         pre_client_t *preClient;
 177 };
 178
 179 struct LocalUser
 180 {
 181         rb_dlink_node tnode;    /* This is the node for the local list type the client is on*/
 182         /*
 183          * The following fields are allocated only for local clients
 184          * (directly connected to *this* server with a socket.
 185          */
 186         /* Anti flooding part, all because of lamers... */
 187         time_t last_join_time;  /* when this client last
 188                                    joined a channel */
 189         time_t last_leave_time; /* when this client last
 190                                  * left a channel */
 191         int join_leave_count;   /* count of JOIN/LEAVE in less than
 192                                    MIN_JOIN_LEAVE_TIME seconds */
 193         int oper_warn_count_down;       /* warn opers of this possible
 194                                            spambot every time this gets to 0 */
 195         time_t last_caller_id_time;
 196
 197         time_t lasttime;        /* last time we parsed something */
 198         time_t firsttime;       /* time client was created */
 199
 200         /* Send and receive linebuf queues .. */
 201         buf_head_t buf_sendq;
 202         buf_head_t buf_recvq;
 203         /*
 204          * we want to use unsigned int here so the sizes have a better chance of
 205          * staying the same on 64 bit machines. The current trend is to use
 206          * I32LP64, (32 bit ints, 64 bit longs and pointers) and since ircd
 207          * will NEVER run on an operating system where ints are less than 32 bits,
 208          * it's a relatively safe bet to use ints. Since right shift operations are
 209          * performed on these, it's not safe to allow them to become negative,
 210          * which is possible for long running server connections. Unsigned values
 211          * generally overflow gracefully. --Bleep
 212          */
 213         unsigned int sendM;     /* Statistics: protocol messages send */
 214         unsigned int sendK;     /* Statistics: total k-bytes send */
 215         unsigned int receiveM;  /* Statistics: protocol messages received */
 216         unsigned int receiveK;  /* Statistics: total k-bytes received */
 217         unsigned short sendB;   /* counters to count upto 1-k lots of bytes */
 218         unsigned short receiveB;        /* sent and received. */
 219         listener_t *listener;           /* listener accepted from */
 220         conf_item_t *att_conf;          /* attached conf */
 221         struct server_conf *att_sconf;
 222
 223         struct rb_sockaddr_storage ip;
 224         time_t last_nick_change;
 225         int number_of_nick_changes;
 226
 227         /*
 228          * XXX - there is no reason to save this, it should be checked when it's
 229          * received and not stored, this is not used after registration
 230          *
 231          * agreed. lets get rid of it someday! --nenolod
 232          */
 233         char *passwd;
 234         char *auth_user;
 235         char *opername; /* name of operator{} block being used or tried (challenge) */
 236         char *challenge;
 237         char *fullcaps;
 238
 239         int caps;               /* capabilities bit-field */
 240         rb_fde_t *F;            /* >= 0, for local clients */
 241
 242         /* time challenge response is valid for */
 243         time_t chal_time;
 244
 245         struct DNSQuery *dnsquery; /* for outgoing server's name lookup */
 246
 247         time_t last_away;       /* Away since... */
 248         time_t last;
 249
 250         /* clients allowed to talk through +g */
 251         rb_dlink_list allow_list;
 252
 253         /* nicknames theyre monitoring */
 254         rb_dlink_list monitor_list;
 255
 256         /*
 257          * Anti-flood stuff. We track how many messages were parsed and how
 258          * many we were allowed in the current second, and apply a simple decay
 259          * to avoid flooding.
 260          *   -- adrian
 261          */
 262         int allow_read;         /* how many we're allowed to read in this second */
 263         int actually_read;      /* how many we've actually read in this second */
 264         int sent_parsed;        /* how many messages we've parsed in this second */
 265         time_t last_knock;      /* time of last knock */
 266         unsigned long random_ping;
 267         auth_request_t  *auth_request;
 268
 269         /* target change stuff */
 270         uint32_t targets[10];           /* targets were aware of (fnv32(use_id(target_p))) */
 271         unsigned int targinfo[2];       /* cyclic array, no in use */
 272         time_t target_last;             /* last time we cleared a slot */
 273
 274         list_client_t *safelist_data;
 275
 276         char *mangledhost; /* non-NULL if host mangling module loaded and
 277                               applicable to this client */
 278
 279         struct _ssl_ctl *ssl_ctl;               /* which ssl daemon we're associate with */
 280         uint32_t localflags;
 281         struct ZipStats *zipstats;              /* zipstats */
 282         uint16_t cork_count;                    /* used for corking/uncorking connections */
 283         struct ev_entry *event;                 /* used for associated events */
 284 };
 285
 286 struct PreClient
 287 {
 288         char spoofnick[NICKLEN + 1];
 289         char spoofuser[USERLEN + 1];
 290         char spoofhost[HOSTLEN + 1];
 291
 292         char sasl_agent[IDLEN];
 293         unsigned char sasl_out;
 294         unsigned char sasl_complete;
 295
 296         rb_dlink_list dnsbl_queries; /* list of struct BlacklistClient * */
 297         struct Blacklist *dnsbl_listed; /* first dnsbl where it's listed */
 298 };
 299
 300 struct ListClient
 301 {
 302         unsigned int hash_indice;
 303         unsigned int users_min, users_max;
 304
 305         /* It would be nice to add other modifiers,
 306          * but not for 1.1 --nenolod
 307          */
 308 };
 309
 310 struct exit_client_hook
 311 {
 312         struct Client *client_p;
 313         char exit_message[TOPICLEN];
 314 };
 315
 316 /*
 317  * status macros.
 318  */
 319 #define STAT_CONNECTING         0x01
 320 #define STAT_HANDSHAKE          0x02
 321 #define STAT_ME                 0x04
 322 #define STAT_UNKNOWN            0x08
 323 #define STAT_REJECT             0x10
 324 #define STAT_SERVER             0x20
 325 #define STAT_CLIENT             0x40
 326
 327
 328 #define IsRegisteredUser(x)     ((x)->status == STAT_CLIENT)
 329 #define IsRegistered(x)         (((x)->status  > STAT_UNKNOWN) && ((x)->status != STAT_REJECT))
 330 #define IsConnecting(x)         ((x)->status == STAT_CONNECTING)
 331 #define IsHandshake(x)          ((x)->status == STAT_HANDSHAKE)
 332 #define IsMe(x)                 ((x)->status == STAT_ME)
 333 #define IsUnknown(x)            ((x)->status == STAT_UNKNOWN)
 334 #define IsServer(x)             ((x)->status == STAT_SERVER)
 335 #define IsClient(x)             ((x)->status == STAT_CLIENT)
 336 #define IsReject(x)             ((x)->status == STAT_REJECT)
 337
 338 #define IsAnyServer(x)          (IsServer(x) || IsHandshake(x) || IsConnecting(x))
 339
 340 #define IsOper(x)               ((x)->umodes & UMODE_OPER)
 341 #define IsAdmin(x)              ((x)->umodes & UMODE_ADMIN)
 342
 343 #define SetReject(x)            {(x)->status = STAT_REJECT; \
 344                                  (x)->handler = UNREGISTERED_HANDLER; }
 345
 346 #define SetConnecting(x)        {(x)->status = STAT_CONNECTING; \
 347                                  (x)->handler = UNREGISTERED_HANDLER; }
 348
 349 #define SetHandshake(x)         {(x)->status = STAT_HANDSHAKE; \
 350                                  (x)->handler = UNREGISTERED_HANDLER; }
 351
 352 #define SetMe(x)                {(x)->status = STAT_ME; \
 353                                  (x)->handler = UNREGISTERED_HANDLER; }
 354
 355 #define SetUnknown(x)           {(x)->status = STAT_UNKNOWN; \
 356                                  (x)->handler = UNREGISTERED_HANDLER; }
 357
 358 #define SetServer(x)            {(x)->status = STAT_SERVER; \
 359                                  (x)->handler = SERVER_HANDLER; }
 360
 361 #define SetClient(x)            {(x)->status = STAT_CLIENT; \
 362                                  (x)->handler = IsOper((x)) ? \
 363                                         OPER_HANDLER : CLIENT_HANDLER; }
 364 #define SetRemoteClient(x)      {(x)->status = STAT_CLIENT; \
 365                                  (x)->handler = RCLIENT_HANDLER; }
 366
 367 #define STAT_CLIENT_PARSE (STAT_UNKNOWN | STAT_CLIENT)
 368 #define STAT_SERVER_PARSE (STAT_CONNECTING | STAT_HANDSHAKE | STAT_SERVER)
 369
 370 #define PARSE_AS_CLIENT(x)      ((x)->status & STAT_CLIENT_PARSE)
 371 #define PARSE_AS_SERVER(x)      ((x)->status & STAT_SERVER_PARSE)
 372
 373
 374 /*
 375  * ts stuff
 376  */
 377 #define TS_CURRENT      6
 378 #define TS_MIN          6
 379
 380 #define TS_DOESTS       0x10000000
 381 #define DoesTS(x)       ((x)->tsinfo & TS_DOESTS)
 382
 383 #define has_id(source)  ((source)->id[0] != '\0')
 384 #define use_id(source)  ((source)->id[0] != '\0' ? (source)->id : (source)->name)
 385
 386 /* if target is TS6, use id if it has one, else name */
 387 #define get_id(source, target) ((IsServer(target->from) && has_id(target->from)) ? \
 388                                 use_id(source) : (source)->name)
 389
 390 /* housekeeping flags */
 391
 392 #define FLAGS_PINGSENT     0x0001       /* Unreplied ping sent */
 393 #define FLAGS_DEAD         0x0002       /* Local socket is dead--Exiting soon */
 394 #define FLAGS_KILLED       0x0004       /* Prevents "QUIT" from being sent for this */
 395 #define FLAGS_SENTUSER     0x0008       /* Client sent a USER command. */
 396 #define FLAGS_CLICAP       0x0010       /* In CAP negotiation, wait for CAP END */
 397 #define FLAGS_CLOSING      0x0020       /* set when closing to suppress errors */
 398 #define FLAGS_PING_COOKIE  0x0040       /* has sent ping cookie */
 399 #define FLAGS_GOTID        0x0080       /* successful ident lookup achieved */
 400 #define FLAGS_FLOODDONE    0x0100       /* flood grace period over / reported */
 401 #define FLAGS_NORMALEX     0x0400       /* Client exited normally */
 402 #define FLAGS_SENDQEX      0x0800       /* Sendq exceeded */
 403 #define FLAGS_MARK         0x10000      /* marked client */
 404 #define FLAGS_HIDDEN       0x20000      /* hidden server */
 405 #define FLAGS_EOB          0x40000      /* EOB */
 406 #define FLAGS_MYCONNECT    0x80000      /* MyConnect */
 407 #define FLAGS_IOERROR      0x100000     /* IO error */
 408 #define FLAGS_SERVICE      0x200000     /* network service */
 409 #define FLAGS_TGCHANGE     0x400000     /* we're allowed to clear something */
 410 #define FLAGS_DYNSPOOF     0x800000     /* dynamic spoof, only opers see ip */
 411 #define FLAGS_EXUNKNOWN    0x1000000    /* too many unknowns exit.. */
 412
 413 /* flags for local clients, this needs stuff moved from above to here at some point */
 414 #define LFLAGS_SSL              0x00000001
 415 #define LFLAGS_FLUSH            0x00000002
 416 #define LFLAGS_CORK             0x00000004
 417
 418 /* umodes, settable flags */
 419 /* lots of this moved to snomask -- jilles */
 420 #define UMODE_SERVNOTICE   0x0001       /* server notices */
 421 #define UMODE_WALLOP       0x0002       /* send wallops to them */
 422 #define UMODE_OPERWALL     0x0004       /* Operwalls */
 423 #define UMODE_INVISIBLE    0x0008       /* makes user invisible */
 424 #define UMODE_CALLERID     0x0010       /* block unless caller id's */
 425 #define UMODE_LOCOPS       0x0020       /* show locops */
 426 #define UMODE_SERVICE      0x0040
 427 #define UMODE_DEAF         0x0080
 428 #define UMODE_NOFORWARD    0x0100       /* don't forward */
 429 #define UMODE_REGONLYMSG   0x0200       /* only allow logged in users to msg */
 430
 431 /* user information flags, only settable by remote mode or local oper */
 432 #define UMODE_OPER         0x1000       /* Operator */
 433 #define UMODE_ADMIN        0x2000       /* Admin on server */
 434 #define UMODE_SSLCLIENT    0x4000       /* using SSL */
 435
 436 /* overflow flags */
 437 /* EARLIER FLAGS ARE IN s_newconf.h */
 438 #define FLAGS2_EXEMPTRESV       0x00400000
 439 #define FLAGS2_EXEMPTKLINE      0x00800000
 440 #define FLAGS2_EXEMPTFLOOD      0x01000000
 441 #define FLAGS2_IP_SPOOFING      0x10000000
 442 #define FLAGS2_EXEMPTSPAMBOT    0x20000000
 443 #define FLAGS2_EXEMPTSHIDE      0x40000000
 444 #define FLAGS2_EXEMPTJUPE       0x80000000
 445
 446 #define DEFAULT_OPER_UMODES (UMODE_SERVNOTICE | UMODE_OPERWALL | \
 447                              UMODE_WALLOP | UMODE_LOCOPS)
 448 #define DEFAULT_OPER_SNOMASK SNO_GENERAL
 449
 450 #define CLICAP_MULTI_PREFIX     0x0001
 451 #define CLICAP_SASL             0x0002
 452
 453 /*
 454  * flags macros.
 455  */
 456 #define IsPerson(x)             (IsClient(x) && (x)->user != NULL)
 457 #define HasServlink(x)          ((x)->flags &  FLAGS_SERVLINK)
 458 #define SetServlink(x)          ((x)->flags |= FLAGS_SERVLINK)
 459 #define MyConnect(x)            ((x)->flags & FLAGS_MYCONNECT)
 460 #define SetMyConnect(x)         ((x)->flags |= FLAGS_MYCONNECT)
 461 #define ClearMyConnect(x)       ((x)->flags &= ~FLAGS_MYCONNECT)
 462
 463 #define MyClient(x)             (MyConnect(x) && IsClient(x))
 464 #define SetMark(x)              ((x)->flags |= FLAGS_MARK)
 465 #define ClearMark(x)            ((x)->flags &= ~FLAGS_MARK)
 466 #define IsMarked(x)             ((x)->flags & FLAGS_MARK)
 467 #define SetHidden(x)            ((x)->flags |= FLAGS_HIDDEN)
 468 #define ClearHidden(x)          ((x)->flags &= ~FLAGS_HIDDEN)
 469 #define IsHidden(x)             ((x)->flags & FLAGS_HIDDEN)
 470 #define ClearEob(x)             ((x)->flags &= ~FLAGS_EOB)
 471 #define SetEob(x)               ((x)->flags |= FLAGS_EOB)
 472 #define HasSentEob(x)           ((x)->flags & FLAGS_EOB)
 473 #define IsDead(x)               ((x)->flags &  FLAGS_DEAD)
 474 #define SetDead(x)              ((x)->flags |= FLAGS_DEAD)
 475 #define IsClosing(x)            ((x)->flags & FLAGS_CLOSING)
 476 #define SetClosing(x)           ((x)->flags |= FLAGS_CLOSING)
 477 #define IsIOError(x)            ((x)->flags & FLAGS_IOERROR)
 478 #define SetIOError(x)           ((x)->flags |= FLAGS_IOERROR)
 479 #define IsAnyDead(x)            (IsIOError(x) || IsDead(x) || IsClosing(x))
 480 #define IsTGChange(x)           ((x)->flags & FLAGS_TGCHANGE)
 481 #define SetTGChange(x)          ((x)->flags |= FLAGS_TGCHANGE)
 482 #define ClearTGChange(x)        ((x)->flags &= ~FLAGS_TGCHANGE)
 483 #define IsDynSpoof(x)           ((x)->flags & FLAGS_DYNSPOOF)
 484 #define SetDynSpoof(x)          ((x)->flags |= FLAGS_DYNSPOOF)
 485 #define ClearDynSpoof(x)        ((x)->flags &= ~FLAGS_DYNSPOOF)
 486 #define IsExUnknown(x)          ((x)->flags & FLAGS_EXUNKNOWN)
 487 #define SetExUnknown(x)         ((x)->flags |= FLAGS_EXUNKNOWN)
 488
 489 /* local flags */
 490
 491 #define IsSSL(x)                ((x)->localClient->localflags & LFLAGS_SSL)
 492 #define SetSSL(x)               ((x)->localClient->localflags |= LFLAGS_SSL)
 493 #define ClearSSL(x)             ((x)->localClient->localflags &= ~LFLAGS_SSL)
 494
 495 #define IsFlush(x)              ((x)->localClient->localflags & LFLAGS_FLUSH)
 496 #define SetFlush(x)             ((x)->localClient->localflags |= LFLAGS_FLUSH)
 497 #define ClearFlush(x)           ((x)->localClient->localflags &= ~LFLAGS_FLUSH)
 498
 499 /* oper flags */
 500 #define MyOper(x)               (MyConnect(x) && IsOper(x))
 501
 502 #define SetOper(x)              {(x)->umodes |= UMODE_OPER; \
 503                                  if (MyClient((x))) (x)->handler = OPER_HANDLER;}
 504
 505 #define ClearOper(x)            {(x)->umodes &= ~(UMODE_OPER|UMODE_ADMIN); \
 506                                  if (MyClient((x)) && !IsOper((x)) && !IsServer((x))) \
 507                                   (x)->handler = CLIENT_HANDLER; }
 508
 509 /* umode flags */
 510 #define IsInvisible(x)          ((x)->umodes & UMODE_INVISIBLE)
 511 #define SetInvisible(x)         ((x)->umodes |= UMODE_INVISIBLE)
 512 #define ClearInvisible(x)       ((x)->umodes &= ~UMODE_INVISIBLE)
 513 #define IsSSLClient(x)          ((x)->umodes & UMODE_SSLCLIENT)
 514 #define SetSSLClient(x)         ((x)->umodes |= UMODE_SSLCLIENT)
 515 #define ClearSSLClient(x)       ((x)->umodes &= ~UMODE_SSLCLIENT)
 516 #define SendWallops(x)          ((x)->umodes & UMODE_WALLOP)
 517 #define SendLocops(x)           ((x)->umodes & UMODE_LOCOPS)
 518 #define SendServNotice(x)       ((x)->umodes & UMODE_SERVNOTICE)
 519 #define SendOperwall(x)         ((x)->umodes & UMODE_OPERWALL)
 520 #define IsSetCallerId(x)        ((x)->umodes & UMODE_CALLERID)
 521 #define IsService(x)            ((x)->umodes & UMODE_SERVICE)
 522 #define IsDeaf(x)               ((x)->umodes & UMODE_DEAF)
 523 #define IsNoForward(x)          ((x)->umodes & UMODE_NOFORWARD)
 524 #define IsSetRegOnlyMsg(x)      ((x)->umodes & UMODE_REGONLYMSG)
 525
 526 #define SetGotId(x)             ((x)->flags |= FLAGS_GOTID)
 527 #define IsGotId(x)              (((x)->flags & FLAGS_GOTID) != 0)
 528
 529 /*
 530  * flags2 macros.
 531  */
 532 #define IsExemptKline(x)        ((x)->flags2 & FLAGS2_EXEMPTKLINE)
 533 #define SetExemptKline(x)       ((x)->flags2 |= FLAGS2_EXEMPTKLINE)
 534 #define IsExemptFlood(x)        ((x)->flags2 & FLAGS2_EXEMPTFLOOD)
 535 #define SetExemptFlood(x)       ((x)->flags2 |= FLAGS2_EXEMPTFLOOD)
 536 #define IsExemptSpambot(x)      ((x)->flags2 & FLAGS2_EXEMPTSPAMBOT)
 537 #define SetExemptSpambot(x)     ((x)->flags2 |= FLAGS2_EXEMPTSPAMBOT)
 538 #define IsExemptShide(x)        ((x)->flags2 & FLAGS2_EXEMPTSHIDE)
 539 #define SetExemptShide(x)       ((x)->flags2 |= FLAGS2_EXEMPTSHIDE)
 540 #define IsExemptJupe(x)         ((x)->flags2 & FLAGS2_EXEMPTJUPE)
 541 #define SetExemptJupe(x)        ((x)->flags2 |= FLAGS2_EXEMPTJUPE)
 542 #define IsExemptResv(x)         ((x)->flags2 & FLAGS2_EXEMPTRESV)
 543 #define SetExemptResv(x)        ((x)->flags2 |= FLAGS2_EXEMPTRESV)
 544 #define IsIPSpoof(x)            ((x)->flags2 & FLAGS2_IP_SPOOFING)
 545 #define SetIPSpoof(x)           ((x)->flags2 |= FLAGS2_IP_SPOOFING)
 546
 547 /* for local users: flood grace period is over
 548  * for servers: mentioned in networknotice.c notice
 549  */
 550 #define IsFloodDone(x)          ((x)->flags & FLAGS_FLOODDONE)
 551 #define SetFloodDone(x)         ((x)->flags |= FLAGS_FLOODDONE)
 552
 553 /* These also operate on the uplink from which it came */
 554 #define IsCork(x)               (MyConnect(x) ? (x)->localClient->cork_count : (x)->from->localClient->cork_count)
 555 #define SetCork(x)              (MyConnect(x) ? (x)->localClient->cork_count++ : (x)->from->localClient->cork_count++ )
 556 #define ClearCork(x)            (MyConnect(x) ? (x)->localClient->cork_count-- : (x)->from->localClient->cork_count--)
 557
 558 /*
 559  * definitions for get_client_name
 560  */
 561 #define HIDE_IP 0
 562 #define SHOW_IP 1
 563 #define MASK_IP 2
 564
 565 extern void check_banned_lines(void);
 566 extern void check_klines_event(void *unused);
 567 extern void check_klines(void);
 568 extern void check_dlines(void);
 569 extern void check_xlines(void);
 570
 571 extern const char *get_client_name(struct Client *client, int show_ip);
 572 extern const char *log_client_name(struct Client *, int);
 573 extern int is_remote_connect(struct Client *);
 574 extern void init_client(void);
 575 extern client_t *make_client(struct Client *from);
 576 extern void free_pre_client(struct Client *client);
 577 extern void free_client(struct Client *client);
 578
 579 extern int exit_client(struct Client *, struct Client *, struct Client *, const char *);
 580
 581 extern void error_exit_client(struct Client *, int);
 582
 583
 584
 585 extern void count_local_client_memory(size_t * count, size_t * memory);
 586 extern void count_remote_client_memory(size_t * count, size_t * memory);
 587
 588 extern client_t *find_chasing(struct Client *, const char *, int *);
 589 extern client_t *find_person(const char *);
 590 extern client_t *find_named_person(const char *);
 591 extern client_t *next_client(struct Client *, const char *);
 592
 593 #define accept_message(s, t) ((s) == (t) || (rb_dlinkFind((s), &((t)->localClient->allow_list))))
 594 extern void del_all_accepts(struct Client *client_p);
 595
 596 extern void dead_link(struct Client *client_p);
 597 extern int show_ip(struct Client *source_p, struct Client *target_p);
 598 extern int show_ip_conf(struct ConfItem *aconf, struct Client *target_p);
 599
 600 extern void initUser(void);
 601 extern void free_user(struct User *, struct Client *);
 602 extern user_t *make_user(struct Client *);
 603 extern server_t *make_server(struct Client *);
 604 extern void close_connection(struct Client *);
 605 extern void init_uid(void);
 606 extern char *generate_uid(void);
 607
 608 void allocate_away(struct Client *);
 609 void free_away(struct Client *);
 610
 611 #endif /* INCLUDED_client_h */