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
  26 #ifndef INCLUDED_client_h
  27 #define INCLUDED_client_h
  28
  29 #include "defaults.h"
  30
  31 #include "ircd_defs.h"
  32 #include "channel.h"
  33 #include "dns.h"
  34 #include "snomask.h"
  35 #include "match.h"
  36 #include "ircd.h"
  37 #include "privilege.h"
  38
  39 /* other structs */
  40 struct Blacklist;
  41
  42 /* we store ipv6 ips for remote clients, so this needs to be v6 always */
  43 #define HOSTIPLEN       53      /* sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255.ipv6") */
  44 #define PASSWDLEN       128
  45 #define CIPHERKEYLEN    64      /* 512bit */
  46 #define CLIENT_BUFSIZE 512      /* must be at least 512 bytes */
  47
  48 #define IDLEN           10
  49
  50 #define TGCHANGE_NUM            10      /* how many targets we keep track of */
  51 #define TGCHANGE_REPLY          5       /* how many reply targets */
  52 #define TGCHANGE_INITIAL        10      /* initial free targets (normal) */
  53 #define TGCHANGE_INITIAL_LOW    4       /* initial free targets (possible spambot) */
  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  * Client structures
  73  */
  74 struct User
  75 {
  76         rb_dlink_list channel;  /* chain of channel pointer blocks */
  77         rb_dlink_list invited;  /* chain of invite pointer blocks */
  78         char *away;             /* pointer to away message */
  79         int refcnt;             /* Number of times this block is referenced */
  80
  81         char suser[NICKLEN+1];
  82 };
  83
  84 struct Server
  85 {
  86         struct User *user;      /* who activated this connection */
  87         char by[NICKLEN];
  88         rb_dlink_list servers;
  89         rb_dlink_list users;
  90         int caps;               /* capabilities bit-field */
  91         char *fullcaps;
  92         struct scache_entry *nameinfo;
  93 };
  94
  95 struct ZipStats
  96 {
  97         unsigned long long in;
  98         unsigned long long in_wire;
  99         unsigned long long out;
 100         unsigned long long out_wire;
 101         double in_ratio;
 102         double out_ratio;
 103 };
 104
 105 struct Client
 106 {
 107         rb_dlink_node node;
 108         rb_dlink_node lnode;
 109         struct User *user;      /* ...defined, if this is a User */
 110         struct Server *serv;    /* ...defined, if this is a server */
 111         struct Client *servptr; /* Points to server this Client is on */
 112         struct Client *from;    /* == self, if Local Client, *NEVER* NULL! */
 113
 114         rb_dlink_list whowas_clist;
 115
 116         time_t tsinfo;          /* TS on the nick, SVINFO on server */
 117         unsigned int umodes;    /* opers, normal users subset */
 118         unsigned int flags;     /* client flags */
 119         unsigned int flags2;    /* ugh. overflow */
 120
 121         unsigned int snomask;   /* server notice mask */
 122
 123         int hopcount;           /* number of servers to this 0 = local */
 124         unsigned short status;  /* Client type */
 125         unsigned char handler;  /* Handler index */
 126         unsigned long serial;   /* used to enforce 1 send per nick */
 127
 128         /* client->name is the unique name for a client nick or host */
 129         char name[HOSTLEN + 1];
 130
 131         /*
 132          * client->username is the username from ident or the USER message,
 133          * If the client is idented the USER message is ignored, otherwise
 134          * the username part of the USER message is put here prefixed with a
 135          * tilde depending on the I:line, Once a client has registered, this
 136          * field should be considered read-only.
 137          */
 138         char username[USERLEN + 1];     /* client's username */
 139
 140         /*
 141          * client->host contains the resolved name or ip address
 142          * as a string for the user, it may be fiddled with for oper spoofing etc.
 143          */
 144         char host[HOSTLEN + 1]; /* client's hostname */
 145         char orighost[HOSTLEN + 1]; /* original hostname (before dynamic spoofing) */
 146         char sockhost[HOSTIPLEN + 1]; /* clients ip */
 147         char info[REALLEN + 1]; /* Free form additional client info */
 148
 149         char id[IDLEN]; /* UID/SID, unique on the network */
 150
 151         /* list of who has this client on their allow list, its counterpart
 152          * is in LocalUser
 153          */
 154         rb_dlink_list on_allow_list;
 155
 156         time_t first_received_message_time;
 157         int received_number_of_privmsgs;
 158         int flood_noticed;
 159
 160         struct LocalUser *localClient;
 161         struct PreClient *preClient;
 162
 163         time_t large_ctcp_sent; /* ctcp to large group sent, relax flood checks */
 164         char *certfp; /* client certificate fingerprint */
 165 };
 166
 167 struct LocalUser
 168 {
 169         rb_dlink_node tnode;    /* This is the node for the local list type the client is on*/
 170         /*
 171          * The following fields are allocated only for local clients
 172          * (directly connected to *this* server with a socket.
 173          */
 174         /* Anti flooding part, all because of lamers... */
 175         time_t last_join_time;  /* when this client last
 176                                    joined a channel */
 177         time_t last_leave_time; /* when this client last
 178                                  * left a channel */
 179         int join_leave_count;   /* count of JOIN/LEAVE in less than
 180                                    MIN_JOIN_LEAVE_TIME seconds */
 181         int oper_warn_count_down;       /* warn opers of this possible
 182                                            spambot every time this gets to 0 */
 183         time_t last_caller_id_time;
 184
 185         time_t lasttime;        /* last time we parsed something */
 186         time_t firsttime;       /* time client was created */
 187
 188         /* Send and receive linebuf queues .. */
 189         buf_head_t buf_sendq;
 190         buf_head_t buf_recvq;
 191         /*
 192          * we want to use unsigned int here so the sizes have a better chance of
 193          * staying the same on 64 bit machines. The current trend is to use
 194          * I32LP64, (32 bit ints, 64 bit longs and pointers) and since ircd
 195          * will NEVER run on an operating system where ints are less than 32 bits,
 196          * it's a relatively safe bet to use ints. Since right shift operations are
 197          * performed on these, it's not safe to allow them to become negative,
 198          * which is possible for long running server connections. Unsigned values
 199          * generally overflow gracefully. --Bleep
 200          */
 201         unsigned int sendM;     /* Statistics: protocol messages send */
 202         unsigned int sendK;     /* Statistics: total k-bytes send */
 203         unsigned int receiveM;  /* Statistics: protocol messages received */
 204         unsigned int receiveK;  /* Statistics: total k-bytes received */
 205         unsigned short sendB;   /* counters to count upto 1-k lots of bytes */
 206         unsigned short receiveB;        /* sent and received. */
 207         struct Listener *listener;      /* listener accepted from */
 208         struct ConfItem *att_conf;      /* attached conf */
 209         struct server_conf *att_sconf;
 210
 211         struct rb_sockaddr_storage ip;
 212         time_t last_nick_change;
 213         int number_of_nick_changes;
 214
 215         /*
 216          * XXX - there is no reason to save this, it should be checked when it's
 217          * received and not stored, this is not used after registration
 218          *
 219          * agreed. lets get rid of it someday! --nenolod
 220          */
 221         char *passwd;
 222         char *auth_user;
 223         char *opername; /* name of operator{} block being used or tried (challenge) */
 224         char *challenge;
 225         char *fullcaps;
 226         char *cipher_string;
 227
 228         int caps;               /* capabilities bit-field */
 229         rb_fde_t *F;            /* >= 0, for local clients */
 230
 231         /* time challenge response is valid for */
 232         time_t chal_time;
 233
 234         time_t next_away;       /* Don't allow next away before... */
 235         time_t last;
 236         uint32_t connid;
 237
 238         /* clients allowed to talk through +g */
 239         rb_dlink_list allow_list;
 240
 241         /* nicknames theyre monitoring */
 242         rb_dlink_list monitor_list;
 243
 244         /*
 245          * Anti-flood stuff. We track how many messages were parsed and how
 246          * many we were allowed in the current second, and apply a simple decay
 247          * to avoid flooding.
 248          *   -- adrian
 249          */
 250         int sent_parsed;        /* how many messages we've parsed in this second */
 251         time_t last_knock;      /* time of last knock */
 252         unsigned long random_ping;
 253         struct AuthRequest *auth_request;
 254
 255         /* target change stuff */
 256         /* targets we're aware of (fnv32(use_id(target_p))):
 257          * 0..TGCHANGE_NUM-1 regular slots
 258          * TGCHANGE_NUM..TGCHANGE_NUM+TGCHANGE_REPLY-1 reply slots
 259          */
 260         uint32_t targets[TGCHANGE_NUM + TGCHANGE_REPLY];
 261         unsigned int targets_free;      /* free targets */
 262         time_t target_last;             /* last time we cleared a slot */
 263
 264         /* ratelimit items */
 265         time_t ratelimit;
 266         unsigned int join_who_credits;
 267
 268         struct ListClient *safelist_data;
 269
 270         char *mangledhost; /* non-NULL if host mangling module loaded and
 271                               applicable to this client */
 272
 273         struct _ssl_ctl *ssl_ctl;               /* which ssl daemon we're associate with */
 274         struct _ssl_ctl *z_ctl;                 /* second ctl for ssl+zlib */
 275         uint32_t zconnid;
 276         uint32_t localflags;
 277         struct ZipStats *zipstats;              /* zipstats */
 278         uint16_t cork_count;                    /* used for corking/uncorking connections */
 279         struct ev_entry *event;                 /* used for associated events */
 280
 281         struct PrivilegeSet *privset;           /* privset... */
 282
 283         char sasl_agent[IDLEN];
 284         unsigned char sasl_out;
 285         unsigned char sasl_complete;
 286 };
 287
 288 struct PreClient
 289 {
 290         char spoofnick[NICKLEN + 1];
 291         char spoofuser[USERLEN + 1];
 292         char spoofhost[HOSTLEN + 1];
 293
 294         rb_dlink_list dnsbl_queries; /* list of struct BlacklistClient * */
 295         struct Blacklist *dnsbl_listed; /* first dnsbl where it's listed */
 296
 297         struct rb_sockaddr_storage lip; /* address of our side of the connection */
 298 };
 299
 300 struct ListClient
 301 {
 302         char *chname;
 303         unsigned int users_min, users_max;
 304         time_t created_min, created_max, topic_min, topic_max;
 305         int operspy;
 306 };
 307
 308 /*
 309  * status macros.
 310  */
 311 #define STAT_CONNECTING         0x01
 312 #define STAT_HANDSHAKE          0x02
 313 #define STAT_ME                 0x04
 314 #define STAT_UNKNOWN            0x08
 315 #define STAT_REJECT             0x10
 316 #define STAT_SERVER             0x20
 317 #define STAT_CLIENT             0x40
 318
 319
 320 #define IsRegisteredUser(x)     ((x)->status == STAT_CLIENT)
 321 #define IsRegistered(x)         (((x)->status  > STAT_UNKNOWN) && ((x)->status != STAT_REJECT))
 322 #define IsConnecting(x)         ((x)->status == STAT_CONNECTING)
 323 #define IsHandshake(x)          ((x)->status == STAT_HANDSHAKE)
 324 #define IsMe(x)                 ((x)->status == STAT_ME)
 325 #define IsUnknown(x)            ((x)->status == STAT_UNKNOWN)
 326 #define IsServer(x)             ((x)->status == STAT_SERVER)
 327 #define IsClient(x)             ((x)->status == STAT_CLIENT)
 328 #define IsReject(x)             ((x)->status == STAT_REJECT)
 329
 330 #define IsAnyServer(x)          (IsServer(x) || IsHandshake(x) || IsConnecting(x))
 331
 332 #define IsOper(x)               ((x)->umodes & UMODE_OPER)
 333 #define IsAdmin(x)              ((x)->umodes & UMODE_ADMIN)
 334
 335 #define SetReject(x)            {(x)->status = STAT_REJECT; \
 336                                  (x)->handler = UNREGISTERED_HANDLER; }
 337
 338 #define SetConnecting(x)        {(x)->status = STAT_CONNECTING; \
 339                                  (x)->handler = UNREGISTERED_HANDLER; }
 340
 341 #define SetHandshake(x)         {(x)->status = STAT_HANDSHAKE; \
 342                                  (x)->handler = UNREGISTERED_HANDLER; }
 343
 344 #define SetMe(x)                {(x)->status = STAT_ME; \
 345                                  (x)->handler = UNREGISTERED_HANDLER; }
 346
 347 #define SetUnknown(x)           {(x)->status = STAT_UNKNOWN; \
 348                                  (x)->handler = UNREGISTERED_HANDLER; }
 349
 350 #define SetServer(x)            {(x)->status = STAT_SERVER; \
 351                                  (x)->handler = SERVER_HANDLER; }
 352
 353 #define SetClient(x)            {(x)->status = STAT_CLIENT; \
 354                                  (x)->handler = IsOper((x)) ? \
 355                                         OPER_HANDLER : CLIENT_HANDLER; }
 356 #define SetRemoteClient(x)      {(x)->status = STAT_CLIENT; \
 357                                  (x)->handler = RCLIENT_HANDLER; }
 358
 359 #define STAT_CLIENT_PARSE (STAT_UNKNOWN | STAT_CLIENT)
 360 #define STAT_SERVER_PARSE (STAT_CONNECTING | STAT_HANDSHAKE | STAT_SERVER)
 361
 362 #define PARSE_AS_CLIENT(x)      ((x)->status & STAT_CLIENT_PARSE)
 363 #define PARSE_AS_SERVER(x)      ((x)->status & STAT_SERVER_PARSE)
 364
 365
 366 /*
 367  * ts stuff
 368  */
 369 #define TS_CURRENT      6
 370 #define TS_MIN          6
 371
 372 #define TS_DOESTS       0x10000000
 373 #define DoesTS(x)       ((x)->tsinfo & TS_DOESTS)
 374
 375 #define has_id(source)  ((source)->id[0] != '\0')
 376 #define use_id(source)  ((source)->id[0] != '\0' ? (source)->id : (source)->name)
 377
 378 /* if target is TS6, use id if it has one, else name */
 379 #define get_id(source, target) ((IsServer(target->from) && has_id(target->from)) ? \
 380                                 use_id(source) : (source)->name)
 381
 382 /* housekeeping flags */
 383
 384 #define FLAGS_PINGSENT     0x0001       /* Unreplied ping sent */
 385 #define FLAGS_DEAD         0x0002       /* Local socket is dead--Exiting soon */
 386 #define FLAGS_KILLED       0x0004       /* Prevents "QUIT" from being sent for this */
 387 #define FLAGS_SENTUSER     0x0008       /* Client sent a USER command. */
 388 #define FLAGS_CLICAP       0x0010       /* In CAP negotiation, wait for CAP END */
 389 #define FLAGS_CLOSING      0x0020       /* set when closing to suppress errors */
 390 #define FLAGS_PING_COOKIE  0x0040       /* has sent ping cookie */
 391 #define FLAGS_GOTID        0x0080       /* successful ident lookup achieved */
 392 #define FLAGS_FLOODDONE    0x0100       /* flood grace period over / reported */
 393 #define FLAGS_NORMALEX     0x0400       /* Client exited normally */
 394 #define FLAGS_MARK         0x10000      /* marked client */
 395 #define FLAGS_HIDDEN       0x20000      /* hidden server */
 396 #define FLAGS_EOB          0x40000      /* EOB */
 397 #define FLAGS_MYCONNECT    0x80000      /* MyConnect */
 398 #define FLAGS_IOERROR      0x100000     /* IO error */
 399 #define FLAGS_SERVICE      0x200000     /* network service */
 400 #define FLAGS_TGCHANGE     0x400000     /* we're allowed to clear something */
 401 #define FLAGS_DYNSPOOF     0x800000     /* dynamic spoof, only opers see ip */
 402 #define FLAGS_TGEXCESSIVE  0x1000000    /* whether the client has attemped to change targets excessively fast */
 403 #define FLAGS_CLICAP_DATA  0x2000000    /* requested CAP LS 302 */
 404
 405 /* flags for local clients, this needs stuff moved from above to here at some point */
 406 #define LFLAGS_SSL              0x00000001
 407 #define LFLAGS_FLUSH            0x00000002
 408 #define LFLAGS_CORK             0x00000004
 409
 410 /* umodes, settable flags */
 411 /* lots of this moved to snomask -- jilles */
 412 #define UMODE_SERVNOTICE   0x0001       /* server notices */
 413 #define UMODE_WALLOP       0x0002       /* send wallops to them */
 414 #define UMODE_OPERWALL     0x0004       /* Operwalls */
 415 #define UMODE_INVISIBLE    0x0008       /* makes user invisible */
 416 #define UMODE_CALLERID     0x0010       /* block unless caller id's */
 417 #define UMODE_LOCOPS       0x0020       /* show locops */
 418 #define UMODE_SERVICE      0x0040
 419 #define UMODE_DEAF         0x0080
 420 #define UMODE_NOFORWARD    0x0100       /* don't forward */
 421 #define UMODE_REGONLYMSG   0x0200       /* only allow logged in users to msg */
 422
 423 /* user information flags, only settable by remote mode or local oper */
 424 #define UMODE_OPER         0x1000       /* Operator */
 425 #define UMODE_ADMIN        0x2000       /* Admin on server */
 426 #define UMODE_SSLCLIENT    0x4000       /* using SSL */
 427
 428 /* overflow flags */
 429 /* EARLIER FLAGS ARE IN s_newconf.h */
 430 #define FLAGS2_EXTENDCHANS      0x00200000
 431 #define FLAGS2_EXEMPTRESV       0x00400000
 432 #define FLAGS2_EXEMPTKLINE      0x00800000
 433 #define FLAGS2_EXEMPTFLOOD      0x01000000
 434 #define FLAGS2_IP_SPOOFING      0x10000000
 435 #define FLAGS2_EXEMPTSPAMBOT    0x20000000
 436 #define FLAGS2_EXEMPTSHIDE      0x40000000
 437 #define FLAGS2_EXEMPTJUPE       0x80000000
 438
 439 #define DEFAULT_OPER_UMODES (UMODE_SERVNOTICE | UMODE_OPERWALL | \
 440                              UMODE_WALLOP | UMODE_LOCOPS)
 441 #define DEFAULT_OPER_SNOMASK SNO_GENERAL
 442
 443 /*
 444  * flags macros.
 445  */
 446 #define IsPerson(x)             (IsClient(x) && (x)->user != NULL)
 447 #define HasServlink(x)          ((x)->flags &  FLAGS_SERVLINK)
 448 #define SetServlink(x)          ((x)->flags |= FLAGS_SERVLINK)
 449 #define MyConnect(x)            ((x)->flags & FLAGS_MYCONNECT)
 450 #define SetMyConnect(x)         ((x)->flags |= FLAGS_MYCONNECT)
 451 #define ClearMyConnect(x)       ((x)->flags &= ~FLAGS_MYCONNECT)
 452
 453 #define MyClient(x)             (MyConnect(x) && IsClient(x))
 454 #define SetMark(x)              ((x)->flags |= FLAGS_MARK)
 455 #define ClearMark(x)            ((x)->flags &= ~FLAGS_MARK)
 456 #define IsMarked(x)             ((x)->flags & FLAGS_MARK)
 457 #define SetHidden(x)            ((x)->flags |= FLAGS_HIDDEN)
 458 #define ClearHidden(x)          ((x)->flags &= ~FLAGS_HIDDEN)
 459 #define IsHidden(x)             ((x)->flags & FLAGS_HIDDEN)
 460 #define ClearEob(x)             ((x)->flags &= ~FLAGS_EOB)
 461 #define SetEob(x)               ((x)->flags |= FLAGS_EOB)
 462 #define HasSentEob(x)           ((x)->flags & FLAGS_EOB)
 463 #define IsDead(x)               ((x)->flags &  FLAGS_DEAD)
 464 #define SetDead(x)              ((x)->flags |= FLAGS_DEAD)
 465 #define IsClosing(x)            ((x)->flags & FLAGS_CLOSING)
 466 #define SetClosing(x)           ((x)->flags |= FLAGS_CLOSING)
 467 #define IsIOError(x)            ((x)->flags & FLAGS_IOERROR)
 468 #define SetIOError(x)           ((x)->flags |= FLAGS_IOERROR)
 469 #define IsAnyDead(x)            (IsIOError(x) || IsDead(x) || IsClosing(x))
 470 #define IsTGChange(x)           ((x)->flags & FLAGS_TGCHANGE)
 471 #define SetTGChange(x)          ((x)->flags |= FLAGS_TGCHANGE)
 472 #define ClearTGChange(x)        ((x)->flags &= ~FLAGS_TGCHANGE)
 473 #define IsDynSpoof(x)           ((x)->flags & FLAGS_DYNSPOOF)
 474 #define SetDynSpoof(x)          ((x)->flags |= FLAGS_DYNSPOOF)
 475 #define ClearDynSpoof(x)        ((x)->flags &= ~FLAGS_DYNSPOOF)
 476 #define IsTGExcessive(x)        ((x)->flags & FLAGS_TGEXCESSIVE)
 477 #define SetTGExcessive(x)       ((x)->flags |= FLAGS_TGEXCESSIVE)
 478 #define ClearTGExcessive(x)     ((x)->flags &= ~FLAGS_TGEXCESSIVE)
 479
 480 /* local flags */
 481
 482 #define IsSSL(x)                ((x)->localClient->localflags & LFLAGS_SSL)
 483 #define SetSSL(x)               ((x)->localClient->localflags |= LFLAGS_SSL)
 484 #define ClearSSL(x)             ((x)->localClient->localflags &= ~LFLAGS_SSL)
 485
 486 #define IsFlush(x)              ((x)->localClient->localflags & LFLAGS_FLUSH)
 487 #define SetFlush(x)             ((x)->localClient->localflags |= LFLAGS_FLUSH)
 488 #define ClearFlush(x)           ((x)->localClient->localflags &= ~LFLAGS_FLUSH)
 489
 490 /* oper flags */
 491 #define MyOper(x)               (MyConnect(x) && IsOper(x))
 492
 493 #define SetOper(x)              {(x)->umodes |= UMODE_OPER; \
 494                                  if (MyClient((x))) (x)->handler = OPER_HANDLER;}
 495
 496 #define ClearOper(x)            {(x)->umodes &= ~(UMODE_OPER|UMODE_ADMIN); \
 497                                  if (MyClient((x)) && !IsOper((x)) && !IsServer((x))) \
 498                                   (x)->handler = CLIENT_HANDLER; }
 499
 500 /* umode flags */
 501 #define IsInvisible(x)          ((x)->umodes & UMODE_INVISIBLE)
 502 #define SetInvisible(x)         ((x)->umodes |= UMODE_INVISIBLE)
 503 #define ClearInvisible(x)       ((x)->umodes &= ~UMODE_INVISIBLE)
 504 #define IsSSLClient(x)          ((x)->umodes & UMODE_SSLCLIENT)
 505 #define SetSSLClient(x)         ((x)->umodes |= UMODE_SSLCLIENT)
 506 #define ClearSSLClient(x)       ((x)->umodes &= ~UMODE_SSLCLIENT)
 507 #define SendWallops(x)          ((x)->umodes & UMODE_WALLOP)
 508 #define SendLocops(x)           ((x)->umodes & UMODE_LOCOPS)
 509 #define SendServNotice(x)       ((x)->umodes & UMODE_SERVNOTICE)
 510 #define SendOperwall(x)         ((x)->umodes & UMODE_OPERWALL)
 511 #define IsSetCallerId(x)        ((x)->umodes & UMODE_CALLERID)
 512 #define IsService(x)            ((x)->umodes & UMODE_SERVICE)
 513 #define IsDeaf(x)               ((x)->umodes & UMODE_DEAF)
 514 #define IsNoForward(x)          ((x)->umodes & UMODE_NOFORWARD)
 515 #define IsSetRegOnlyMsg(x)      ((x)->umodes & UMODE_REGONLYMSG)
 516
 517 #define SetGotId(x)             ((x)->flags |= FLAGS_GOTID)
 518 #define IsGotId(x)              (((x)->flags & FLAGS_GOTID) != 0)
 519
 520 /*
 521  * flags2 macros.
 522  */
 523 #define IsExemptKline(x)        ((x)->flags2 & FLAGS2_EXEMPTKLINE)
 524 #define SetExemptKline(x)       ((x)->flags2 |= FLAGS2_EXEMPTKLINE)
 525 #define IsExemptFlood(x)        ((x)->flags2 & FLAGS2_EXEMPTFLOOD)
 526 #define SetExemptFlood(x)       ((x)->flags2 |= FLAGS2_EXEMPTFLOOD)
 527 #define IsExemptSpambot(x)      ((x)->flags2 & FLAGS2_EXEMPTSPAMBOT)
 528 #define SetExemptSpambot(x)     ((x)->flags2 |= FLAGS2_EXEMPTSPAMBOT)
 529 #define IsExemptShide(x)        ((x)->flags2 & FLAGS2_EXEMPTSHIDE)
 530 #define SetExemptShide(x)       ((x)->flags2 |= FLAGS2_EXEMPTSHIDE)
 531 #define IsExemptJupe(x)         ((x)->flags2 & FLAGS2_EXEMPTJUPE)
 532 #define SetExemptJupe(x)        ((x)->flags2 |= FLAGS2_EXEMPTJUPE)
 533 #define IsExemptResv(x)         ((x)->flags2 & FLAGS2_EXEMPTRESV)
 534 #define SetExemptResv(x)        ((x)->flags2 |= FLAGS2_EXEMPTRESV)
 535 #define IsIPSpoof(x)            ((x)->flags2 & FLAGS2_IP_SPOOFING)
 536 #define SetIPSpoof(x)           ((x)->flags2 |= FLAGS2_IP_SPOOFING)
 537 #define IsExtendChans(x)        ((x)->flags2 & FLAGS2_EXTENDCHANS)
 538 #define SetExtendChans(x)       ((x)->flags2 |= FLAGS2_EXTENDCHANS)
 539
 540 /* for local users: flood grace period is over
 541  * for servers: mentioned in networknotice.c notice
 542  */
 543 #define IsFloodDone(x)          ((x)->flags & FLAGS_FLOODDONE)
 544 #define SetFloodDone(x)         ((x)->flags |= FLAGS_FLOODDONE)
 545
 546 /* These also operate on the uplink from which it came */
 547 #define IsCork(x)               (MyConnect(x) ? (x)->localClient->cork_count : (x)->from->localClient->cork_count)
 548 #define SetCork(x)              (MyConnect(x) ? (x)->localClient->cork_count++ : (x)->from->localClient->cork_count++ )
 549 #define ClearCork(x)            (MyConnect(x) ? (x)->localClient->cork_count-- : (x)->from->localClient->cork_count--)
 550
 551 /*
 552  * definitions for get_client_name
 553  */
 554 #define HIDE_IP 0
 555 #define SHOW_IP 1
 556 #define MASK_IP 2
 557
 558 extern void check_banned_lines(void);
 559 extern void check_klines_event(void *unused);
 560 extern void check_klines(void);
 561 extern void check_dlines(void);
 562 extern void check_xlines(void);
 563 extern void resv_nick_fnc(const char *mask, const char *reason, int temp_time);
 564
 565 extern const char *get_client_name(struct Client *client, int show_ip);
 566 extern const char *log_client_name(struct Client *, int);
 567 extern int is_remote_connect(struct Client *);
 568 extern void init_client(void);
 569 extern struct Client *make_client(struct Client *from);
 570 extern void free_pre_client(struct Client *client);
 571 extern void free_client(struct Client *client);
 572
 573 extern int exit_client(struct Client *, struct Client *, struct Client *, const char *);
 574
 575 extern void error_exit_client(struct Client *, int);
 576
 577
 578
 579 extern void count_local_client_memory(size_t * count, size_t * memory);
 580 extern void count_remote_client_memory(size_t * count, size_t * memory);
 581
 582 extern int clean_nick(const char *, int loc_client);
 583
 584 extern struct Client *find_chasing(struct Client *, const char *, int *);
 585 extern struct Client *find_person(const char *);
 586 extern struct Client *find_named_person(const char *);
 587 extern struct Client *next_client(struct Client *, const char *);
 588
 589 #define accept_message(s, t) ((s) == (t) || (rb_dlinkFind((s), &((t)->localClient->allow_list))))
 590 extern void del_all_accepts(struct Client *client_p);
 591
 592 extern void dead_link(struct Client *client_p, int sendqex);
 593 extern int show_ip(struct Client *source_p, struct Client *target_p);
 594 extern int show_ip_conf(struct ConfItem *aconf, struct Client *source_p);
 595 extern int show_ip_whowas(struct Whowas *whowas, struct Client *source_p);
 596
 597 extern void initUser(void);
 598 extern void free_user(struct User *, struct Client *);
 599 extern struct User *make_user(struct Client *);
 600 extern struct Server *make_server(struct Client *);
 601 extern void close_connection(struct Client *);
 602 extern void init_uid(void);
 603 extern char *generate_uid(void);
 604
 605 void allocate_away(struct Client *);
 606 void free_away(struct Client *);
 607
 608 #endif /* INCLUDED_client_h */