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 "config.h"
  30
  31 #if !defined(CONFIG_RATBOX_LEVEL_1)
  32 #error Incorrect config.h for this revision of ircd.
  33 #endif
  34
  35 #include "ircd_defs.h"
  36 #include "channel.h"
  37 #include "dns.h"
  38 #include "snomask.h"
  39 #include "match.h"
  40 #include "ircd.h"
  41 #include "privilege.h"
  42
  43 /* other structs */
  44 struct Blacklist;
  45
  46 /* we store ipv6 ips for remote clients, so this needs to be v6 always */
  47 #define HOSTIPLEN       53      /* sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255.ipv6") */
  48 #define PASSWDLEN       128
  49 #define CIPHERKEYLEN    64      /* 512bit */
  50 #define CLIENT_BUFSIZE 512      /* must be at least 512 bytes */
  51
  52 #define IDLEN           10
  53
  54 #define TGCHANGE_NUM            10      /* how many targets we keep track of */
  55 #define TGCHANGE_REPLY          5       /* how many reply targets */
  56 #define TGCHANGE_INITIAL        10      /* initial free targets (normal) */
  57 #define TGCHANGE_INITIAL_LOW    4       /* initial free targets (possible spambot) */
  58
  59 /*
  60  * pre declare structs
  61  */
  62 struct ConfItem;
  63 struct Whowas;
  64 struct DNSReply;
  65 struct Listener;
  66 struct Client;
  67 struct User;
  68 struct Server;
  69 struct LocalUser;
  70 struct AuthRequest;
  71 struct PreClient;
  72 struct ListClient;
  73 struct scache_entry;
  74
  75 /*
  76  * Client structures
  77  */
  78 struct User
  79 {
  80         rb_dlink_list channel;  /* chain of channel pointer blocks */
  81         rb_dlink_list invited;  /* chain of invite pointer blocks */
  82         char *away;             /* pointer to away message */
  83         int refcnt;             /* Number of times this block is referenced */
  84
  85         char suser[NICKLEN+1];
  86 };
  87
  88 struct Server
  89 {
  90         struct User *user;      /* who activated this connection */
  91         char by[NICKLEN];
  92         rb_dlink_list servers;
  93         rb_dlink_list users;
  94         int caps;               /* capabilities bit-field */
  95         char *fullcaps;
  96         struct scache_entry *nameinfo;
  97 };
  98
  99 struct ZipStats
 100 {
 101         unsigned long long in;
 102         unsigned long long in_wire;
 103         unsigned long long out;
 104         unsigned long long out_wire;
 105         double in_ratio;
 106         double out_ratio;
 107 };
 108
 109 struct Client
 110 {
 111         rb_dlink_node node;
 112         rb_dlink_node lnode;
 113         struct User *user;      /* ...defined, if this is a User */
 114         struct Server *serv;    /* ...defined, if this is a server */
 115         struct Client *servptr; /* Points to server this Client is on */
 116         struct Client *from;    /* == self, if Local Client, *NEVER* NULL! */
 117
 118         rb_dlink_list whowas_clist;
 119
 120         time_t tsinfo;          /* TS on the nick, SVINFO on server */
 121         unsigned int umodes;    /* opers, normal users subset */
 122         unsigned int flags;     /* client flags */
 123         unsigned int flags2;    /* ugh. overflow */
 124
 125         unsigned int snomask;   /* server notice mask */
 126
 127         int hopcount;           /* number of servers to this 0 = local */
 128         unsigned short status;  /* Client type */
 129         unsigned char handler;  /* Handler index */
 130         unsigned long serial;   /* used to enforce 1 send per nick */
 131
 132         /* client->name is the unique name for a client nick or host */
 133         char name[HOSTLEN + 1];
 134
 135         /*
 136          * client->username is the username from ident or the USER message,
 137          * If the client is idented the USER message is ignored, otherwise
 138          * the username part of the USER message is put here prefixed with a
 139          * tilde depending on the I:line, Once a client has registered, this
 140          * field should be considered read-only.
 141          */
 142         char username[USERLEN + 1];     /* client's username */
 143
 144         /*
 145          * client->host contains the resolved name or ip address
 146          * as a string for the user, it may be fiddled with for oper spoofing etc.
 147          */
 148         char host[HOSTLEN + 1]; /* client's hostname */
 149         char orighost[HOSTLEN + 1]; /* original hostname (before dynamic spoofing) */
 150         char sockhost[HOSTIPLEN + 1]; /* clients ip */
 151         char info[REALLEN + 1]; /* Free form additional client info */
 152
 153         char id[IDLEN]; /* UID/SID, unique on the network */
 154
 155         /* list of who has this client on their allow list, its counterpart
 156          * is in LocalUser
 157          */
 158         rb_dlink_list on_allow_list;
 159
 160         time_t first_received_message_time;
 161         int received_number_of_privmsgs;
 162         int flood_noticed;
 163
 164         struct LocalUser *localClient;
 165         struct PreClient *preClient;
 166
 167         time_t large_ctcp_sent; /* ctcp to large group sent, relax flood checks */
 168         char *certfp; /* client certificate fingerprint */
 169 };
 170
 171 struct LocalUser
 172 {
 173         rb_dlink_node tnode;    /* This is the node for the local list type the client is on*/
 174         /*
 175          * The following fields are allocated only for local clients
 176          * (directly connected to *this* server with a socket.
 177          */
 178         /* Anti flooding part, all because of lamers... */
 179         time_t last_join_time;  /* when this client last
 180                                    joined a channel */
 181         time_t last_leave_time; /* when this client last
 182                                  * left a channel */
 183         int join_leave_count;   /* count of JOIN/LEAVE in less than
 184                                    MIN_JOIN_LEAVE_TIME seconds */
 185         int oper_warn_count_down;       /* warn opers of this possible
 186                                            spambot every time this gets to 0 */
 187         time_t last_caller_id_time;
 188
 189         time_t lasttime;        /* last time we parsed something */
 190         time_t firsttime;       /* time client was created */
 191
 192         /* Send and receive linebuf queues .. */
 193         buf_head_t buf_sendq;
 194         buf_head_t buf_recvq;
 195         /*
 196          * we want to use unsigned int here so the sizes have a better chance of
 197          * staying the same on 64 bit machines. The current trend is to use
 198          * I32LP64, (32 bit ints, 64 bit longs and pointers) and since ircd
 199          * will NEVER run on an operating system where ints are less than 32 bits,
 200          * it's a relatively safe bet to use ints. Since right shift operations are
 201          * performed on these, it's not safe to allow them to become negative,
 202          * which is possible for long running server connections. Unsigned values
 203          * generally overflow gracefully. --Bleep
 204          */
 205         unsigned int sendM;     /* Statistics: protocol messages send */
 206         unsigned int sendK;     /* Statistics: total k-bytes send */
 207         unsigned int receiveM;  /* Statistics: protocol messages received */
 208         unsigned int receiveK;  /* Statistics: total k-bytes received */
 209         unsigned short sendB;   /* counters to count upto 1-k lots of bytes */
 210         unsigned short receiveB;        /* sent and received. */
 211         struct Listener *listener;      /* listener accepted from */
 212         struct ConfItem *att_conf;      /* attached conf */
 213         struct server_conf *att_sconf;
 214
 215         struct rb_sockaddr_storage ip;
 216         time_t last_nick_change;
 217         int number_of_nick_changes;
 218
 219         /*
 220          * XXX - there is no reason to save this, it should be checked when it's
 221          * received and not stored, this is not used after registration
 222          *
 223          * agreed. lets get rid of it someday! --nenolod
 224          */
 225         char *passwd;
 226         char *auth_user;
 227         char *opername; /* name of operator{} block being used or tried (challenge) */
 228         char *challenge;
 229         char *fullcaps;
 230         char *cipher_string;
 231
 232         int caps;               /* capabilities bit-field */
 233         rb_fde_t *F;            /* >= 0, for local clients */
 234
 235         /* time challenge response is valid for */
 236         time_t chal_time;
 237
 238         time_t next_away;       /* Don't allow next away before... */
 239         time_t last;
 240         uint32_t connid;
 241
 242         /* clients allowed to talk through +g */
 243         rb_dlink_list allow_list;
 244
 245         /* nicknames theyre monitoring */
 246         rb_dlink_list monitor_list;
 247
 248         /*
 249          * Anti-flood stuff. We track how many messages were parsed and how
 250          * many we were allowed in the current second, and apply a simple decay
 251          * to avoid flooding.
 252          *   -- adrian
 253          */
 254         int sent_parsed;        /* how many messages we've parsed in this second */
 255         time_t last_knock;      /* time of last knock */
 256         unsigned long random_ping;
 257         struct AuthRequest *auth_request;
 258
 259         /* target change stuff */
 260         /* targets we're aware of (fnv32(use_id(target_p))):
 261          * 0..TGCHANGE_NUM-1 regular slots
 262          * TGCHANGE_NUM..TGCHANGE_NUM+TGCHANGE_REPLY-1 reply slots
 263          */
 264         uint32_t targets[TGCHANGE_NUM + TGCHANGE_REPLY];
 265         unsigned int targets_free;      /* free targets */
 266         time_t target_last;             /* last time we cleared a slot */
 267
 268         /* ratelimit items */
 269         time_t ratelimit;
 270         unsigned int join_who_credits;
 271
 272         struct ListClient *safelist_data;
 273
 274         char *mangledhost; /* non-NULL if host mangling module loaded and
 275                               applicable to this client */
 276
 277         struct _ssl_ctl *ssl_ctl;               /* which ssl daemon we're associate with */
 278         struct _ssl_ctl *z_ctl;                 /* second ctl for ssl+zlib */
 279         uint32_t zconnid;
 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         struct PrivilegeSet *privset;           /* privset... */
 286
 287         char sasl_agent[IDLEN];
 288         unsigned char sasl_out;
 289         unsigned char sasl_complete;
 290 };
 291
 292 struct PreClient
 293 {
 294         char spoofnick[NICKLEN + 1];
 295         char spoofuser[USERLEN + 1];
 296         char spoofhost[HOSTLEN + 1];
 297
 298         rb_dlink_list dnsbl_queries; /* list of struct BlacklistClient * */
 299         struct Blacklist *dnsbl_listed; /* first dnsbl where it's listed */
 300
 301         struct rb_sockaddr_storage lip; /* address of our side of the connection */
 302 };
 303
 304 struct ListClient
 305 {
 306         char *chname;
 307         unsigned int users_min, users_max;
 308         time_t created_min, created_max, topic_min, topic_max;
 309         int operspy;
 310 };
 311
 312 /*
 313  * status macros.
 314  */
 315 #define STAT_CONNECTING         0x01
 316 #define STAT_HANDSHAKE          0x02
 317 #define STAT_ME                 0x04
 318 #define STAT_UNKNOWN            0x08
 319 #define STAT_REJECT             0x10
 320 #define STAT_SERVER             0x20
 321 #define STAT_CLIENT             0x40
 322
 323
 324 #define IsRegisteredUser(x)     ((x)->status == STAT_CLIENT)
 325 #define IsRegistered(x)         (((x)->status  > STAT_UNKNOWN) && ((x)->status != STAT_REJECT))
 326 #define IsConnecting(x)         ((x)->status == STAT_CONNECTING)
 327 #define IsHandshake(x)          ((x)->status == STAT_HANDSHAKE)
 328 #define IsMe(x)                 ((x)->status == STAT_ME)
 329 #define IsUnknown(x)            ((x)->status == STAT_UNKNOWN)
 330 #define IsServer(x)             ((x)->status == STAT_SERVER)
 331 #define IsClient(x)             ((x)->status == STAT_CLIENT)
 332 #define IsReject(x)             ((x)->status == STAT_REJECT)
 333
 334 #define IsAnyServer(x)          (IsServer(x) || IsHandshake(x) || IsConnecting(x))
 335
 336 #define IsOper(x)               ((x)->umodes & UMODE_OPER)
 337 #define IsAdmin(x)              ((x)->umodes & UMODE_ADMIN)
 338
 339 #define SetReject(x)            {(x)->status = STAT_REJECT; \
 340                                  (x)->handler = UNREGISTERED_HANDLER; }
 341
 342 #define SetConnecting(x)        {(x)->status = STAT_CONNECTING; \
 343                                  (x)->handler = UNREGISTERED_HANDLER; }
 344
 345 #define SetHandshake(x)         {(x)->status = STAT_HANDSHAKE; \
 346                                  (x)->handler = UNREGISTERED_HANDLER; }
 347
 348 #define SetMe(x)                {(x)->status = STAT_ME; \
 349                                  (x)->handler = UNREGISTERED_HANDLER; }
 350
 351 #define SetUnknown(x)           {(x)->status = STAT_UNKNOWN; \
 352                                  (x)->handler = UNREGISTERED_HANDLER; }
 353
 354 #define SetServer(x)            {(x)->status = STAT_SERVER; \
 355                                  (x)->handler = SERVER_HANDLER; }
 356
 357 #define SetClient(x)            {(x)->status = STAT_CLIENT; \
 358                                  (x)->handler = IsOper((x)) ? \
 359                                         OPER_HANDLER : CLIENT_HANDLER; }
 360 #define SetRemoteClient(x)      {(x)->status = STAT_CLIENT; \
 361                                  (x)->handler = RCLIENT_HANDLER; }
 362
 363 #define STAT_CLIENT_PARSE (STAT_UNKNOWN | STAT_CLIENT)
 364 #define STAT_SERVER_PARSE (STAT_CONNECTING | STAT_HANDSHAKE | STAT_SERVER)
 365
 366 #define PARSE_AS_CLIENT(x)      ((x)->status & STAT_CLIENT_PARSE)
 367 #define PARSE_AS_SERVER(x)      ((x)->status & STAT_SERVER_PARSE)
 368
 369
 370 /*
 371  * ts stuff
 372  */
 373 #define TS_CURRENT      6
 374 #define TS_MIN          6
 375
 376 #define TS_DOESTS       0x10000000
 377 #define DoesTS(x)       ((x)->tsinfo & TS_DOESTS)
 378
 379 #define has_id(source)  ((source)->id[0] != '\0')
 380 #define use_id(source)  ((source)->id[0] != '\0' ? (source)->id : (source)->name)
 381
 382 /* if target is TS6, use id if it has one, else name */
 383 #define get_id(source, target) ((IsServer(target->from) && has_id(target->from)) ? \
 384                                 use_id(source) : (source)->name)
 385
 386 /* housekeeping flags */
 387
 388 #define FLAGS_PINGSENT     0x0001       /* Unreplied ping sent */
 389 #define FLAGS_DEAD         0x0002       /* Local socket is dead--Exiting soon */
 390 #define FLAGS_KILLED       0x0004       /* Prevents "QUIT" from being sent for this */
 391 #define FLAGS_SENTUSER     0x0008       /* Client sent a USER command. */
 392 #define FLAGS_CLICAP       0x0010       /* In CAP negotiation, wait for CAP END */
 393 #define FLAGS_CLOSING      0x0020       /* set when closing to suppress errors */
 394 #define FLAGS_PING_COOKIE  0x0040       /* has sent ping cookie */
 395 #define FLAGS_GOTID        0x0080       /* successful ident lookup achieved */
 396 #define FLAGS_FLOODDONE    0x0100       /* flood grace period over / reported */
 397 #define FLAGS_NORMALEX     0x0400       /* Client exited normally */
 398 #define FLAGS_MARK         0x10000      /* marked client */
 399 #define FLAGS_HIDDEN       0x20000      /* hidden server */
 400 #define FLAGS_EOB          0x40000      /* EOB */
 401 #define FLAGS_MYCONNECT    0x80000      /* MyConnect */
 402 #define FLAGS_IOERROR      0x100000     /* IO error */
 403 #define FLAGS_SERVICE      0x200000     /* network service */
 404 #define FLAGS_TGCHANGE     0x400000     /* we're allowed to clear something */
 405 #define FLAGS_DYNSPOOF     0x800000     /* dynamic spoof, only opers see ip */
 406 #define FLAGS_TGEXCESSIVE  0x1000000    /* whether the client has attemped to change targets excessively fast */
 407 #define FLAGS_CLICAP_DATA  0x2000000    /* requested CAP LS 302 */
 408
 409 /* flags for local clients, this needs stuff moved from above to here at some point */
 410 #define LFLAGS_SSL              0x00000001
 411 #define LFLAGS_FLUSH            0x00000002
 412 #define LFLAGS_CORK             0x00000004
 413
 414 /* umodes, settable flags */
 415 /* lots of this moved to snomask -- jilles */
 416 #define UMODE_SERVNOTICE   0x0001       /* server notices */
 417 #define UMODE_WALLOP       0x0002       /* send wallops to them */
 418 #define UMODE_OPERWALL     0x0004       /* Operwalls */
 419 #define UMODE_INVISIBLE    0x0008       /* makes user invisible */
 420 #define UMODE_CALLERID     0x0010       /* block unless caller id's */
 421 #define UMODE_LOCOPS       0x0020       /* show locops */
 422 #define UMODE_SERVICE      0x0040
 423 #define UMODE_DEAF         0x0080
 424 #define UMODE_NOFORWARD    0x0100       /* don't forward */
 425 #define UMODE_REGONLYMSG   0x0200       /* only allow logged in users to msg */
 426
 427 /* user information flags, only settable by remote mode or local oper */
 428 #define UMODE_OPER         0x1000       /* Operator */
 429 #define UMODE_ADMIN        0x2000       /* Admin on server */
 430 #define UMODE_SSLCLIENT    0x4000       /* using SSL */
 431
 432 /* overflow flags */
 433 /* EARLIER FLAGS ARE IN s_newconf.h */
 434 #define FLAGS2_EXTENDCHANS      0x00200000
 435 #define FLAGS2_EXEMPTRESV       0x00400000
 436 #define FLAGS2_EXEMPTKLINE      0x00800000
 437 #define FLAGS2_EXEMPTFLOOD      0x01000000
 438 #define FLAGS2_IP_SPOOFING      0x10000000
 439 #define FLAGS2_EXEMPTSPAMBOT    0x20000000
 440 #define FLAGS2_EXEMPTSHIDE      0x40000000
 441 #define FLAGS2_EXEMPTJUPE       0x80000000
 442
 443 #define DEFAULT_OPER_UMODES (UMODE_SERVNOTICE | UMODE_OPERWALL | \
 444                              UMODE_WALLOP | UMODE_LOCOPS)
 445 #define DEFAULT_OPER_SNOMASK SNO_GENERAL
 446
 447 /*
 448  * flags macros.
 449  */
 450 #define IsPerson(x)             (IsClient(x) && (x)->user != NULL)
 451 #define HasServlink(x)          ((x)->flags &  FLAGS_SERVLINK)
 452 #define SetServlink(x)          ((x)->flags |= FLAGS_SERVLINK)
 453 #define MyConnect(x)            ((x)->flags & FLAGS_MYCONNECT)
 454 #define SetMyConnect(x)         ((x)->flags |= FLAGS_MYCONNECT)
 455 #define ClearMyConnect(x)       ((x)->flags &= ~FLAGS_MYCONNECT)
 456
 457 #define MyClient(x)             (MyConnect(x) && IsClient(x))
 458 #define SetMark(x)              ((x)->flags |= FLAGS_MARK)
 459 #define ClearMark(x)            ((x)->flags &= ~FLAGS_MARK)
 460 #define IsMarked(x)             ((x)->flags & FLAGS_MARK)
 461 #define SetHidden(x)            ((x)->flags |= FLAGS_HIDDEN)
 462 #define ClearHidden(x)          ((x)->flags &= ~FLAGS_HIDDEN)
 463 #define IsHidden(x)             ((x)->flags & FLAGS_HIDDEN)
 464 #define ClearEob(x)             ((x)->flags &= ~FLAGS_EOB)
 465 #define SetEob(x)               ((x)->flags |= FLAGS_EOB)
 466 #define HasSentEob(x)           ((x)->flags & FLAGS_EOB)
 467 #define IsDead(x)               ((x)->flags &  FLAGS_DEAD)
 468 #define SetDead(x)              ((x)->flags |= FLAGS_DEAD)
 469 #define IsClosing(x)            ((x)->flags & FLAGS_CLOSING)
 470 #define SetClosing(x)           ((x)->flags |= FLAGS_CLOSING)
 471 #define IsIOError(x)            ((x)->flags & FLAGS_IOERROR)
 472 #define SetIOError(x)           ((x)->flags |= FLAGS_IOERROR)
 473 #define IsAnyDead(x)            (IsIOError(x) || IsDead(x) || IsClosing(x))
 474 #define IsTGChange(x)           ((x)->flags & FLAGS_TGCHANGE)
 475 #define SetTGChange(x)          ((x)->flags |= FLAGS_TGCHANGE)
 476 #define ClearTGChange(x)        ((x)->flags &= ~FLAGS_TGCHANGE)
 477 #define IsDynSpoof(x)           ((x)->flags & FLAGS_DYNSPOOF)
 478 #define SetDynSpoof(x)          ((x)->flags |= FLAGS_DYNSPOOF)
 479 #define ClearDynSpoof(x)        ((x)->flags &= ~FLAGS_DYNSPOOF)
 480 #define IsTGExcessive(x)        ((x)->flags & FLAGS_TGEXCESSIVE)
 481 #define SetTGExcessive(x)       ((x)->flags |= FLAGS_TGEXCESSIVE)
 482 #define ClearTGExcessive(x)     ((x)->flags &= ~FLAGS_TGEXCESSIVE)
 483
 484 /* local flags */
 485
 486 #define IsSSL(x)                ((x)->localClient->localflags & LFLAGS_SSL)
 487 #define SetSSL(x)               ((x)->localClient->localflags |= LFLAGS_SSL)
 488 #define ClearSSL(x)             ((x)->localClient->localflags &= ~LFLAGS_SSL)
 489
 490 #define IsFlush(x)              ((x)->localClient->localflags & LFLAGS_FLUSH)
 491 #define SetFlush(x)             ((x)->localClient->localflags |= LFLAGS_FLUSH)
 492 #define ClearFlush(x)           ((x)->localClient->localflags &= ~LFLAGS_FLUSH)
 493
 494 /* oper flags */
 495 #define MyOper(x)               (MyConnect(x) && IsOper(x))
 496
 497 #define SetOper(x)              {(x)->umodes |= UMODE_OPER; \
 498                                  if (MyClient((x))) (x)->handler = OPER_HANDLER;}
 499
 500 #define ClearOper(x)            {(x)->umodes &= ~(UMODE_OPER|UMODE_ADMIN); \
 501                                  if (MyClient((x)) && !IsOper((x)) && !IsServer((x))) \
 502                                   (x)->handler = CLIENT_HANDLER; }
 503
 504 /* umode flags */
 505 #define IsInvisible(x)          ((x)->umodes & UMODE_INVISIBLE)
 506 #define SetInvisible(x)         ((x)->umodes |= UMODE_INVISIBLE)
 507 #define ClearInvisible(x)       ((x)->umodes &= ~UMODE_INVISIBLE)
 508 #define IsSSLClient(x)          ((x)->umodes & UMODE_SSLCLIENT)
 509 #define SetSSLClient(x)         ((x)->umodes |= UMODE_SSLCLIENT)
 510 #define ClearSSLClient(x)       ((x)->umodes &= ~UMODE_SSLCLIENT)
 511 #define SendWallops(x)          ((x)->umodes & UMODE_WALLOP)
 512 #define SendLocops(x)           ((x)->umodes & UMODE_LOCOPS)
 513 #define SendServNotice(x)       ((x)->umodes & UMODE_SERVNOTICE)
 514 #define SendOperwall(x)         ((x)->umodes & UMODE_OPERWALL)
 515 #define IsSetCallerId(x)        ((x)->umodes & UMODE_CALLERID)
 516 #define IsService(x)            ((x)->umodes & UMODE_SERVICE)
 517 #define IsDeaf(x)               ((x)->umodes & UMODE_DEAF)
 518 #define IsNoForward(x)          ((x)->umodes & UMODE_NOFORWARD)
 519 #define IsSetRegOnlyMsg(x)      ((x)->umodes & UMODE_REGONLYMSG)
 520
 521 #define SetGotId(x)             ((x)->flags |= FLAGS_GOTID)
 522 #define IsGotId(x)              (((x)->flags & FLAGS_GOTID) != 0)
 523
 524 /*
 525  * flags2 macros.
 526  */
 527 #define IsExemptKline(x)        ((x)->flags2 & FLAGS2_EXEMPTKLINE)
 528 #define SetExemptKline(x)       ((x)->flags2 |= FLAGS2_EXEMPTKLINE)
 529 #define IsExemptFlood(x)        ((x)->flags2 & FLAGS2_EXEMPTFLOOD)
 530 #define SetExemptFlood(x)       ((x)->flags2 |= FLAGS2_EXEMPTFLOOD)
 531 #define IsExemptSpambot(x)      ((x)->flags2 & FLAGS2_EXEMPTSPAMBOT)
 532 #define SetExemptSpambot(x)     ((x)->flags2 |= FLAGS2_EXEMPTSPAMBOT)
 533 #define IsExemptShide(x)        ((x)->flags2 & FLAGS2_EXEMPTSHIDE)
 534 #define SetExemptShide(x)       ((x)->flags2 |= FLAGS2_EXEMPTSHIDE)
 535 #define IsExemptJupe(x)         ((x)->flags2 & FLAGS2_EXEMPTJUPE)
 536 #define SetExemptJupe(x)        ((x)->flags2 |= FLAGS2_EXEMPTJUPE)
 537 #define IsExemptResv(x)         ((x)->flags2 & FLAGS2_EXEMPTRESV)
 538 #define SetExemptResv(x)        ((x)->flags2 |= FLAGS2_EXEMPTRESV)
 539 #define IsIPSpoof(x)            ((x)->flags2 & FLAGS2_IP_SPOOFING)
 540 #define SetIPSpoof(x)           ((x)->flags2 |= FLAGS2_IP_SPOOFING)
 541 #define IsExtendChans(x)        ((x)->flags2 & FLAGS2_EXTENDCHANS)
 542 #define SetExtendChans(x)       ((x)->flags2 |= FLAGS2_EXTENDCHANS)
 543
 544 /* for local users: flood grace period is over
 545  * for servers: mentioned in networknotice.c notice
 546  */
 547 #define IsFloodDone(x)          ((x)->flags & FLAGS_FLOODDONE)
 548 #define SetFloodDone(x)         ((x)->flags |= FLAGS_FLOODDONE)
 549
 550 /* These also operate on the uplink from which it came */
 551 #define IsCork(x)               (MyConnect(x) ? (x)->localClient->cork_count : (x)->from->localClient->cork_count)
 552 #define SetCork(x)              (MyConnect(x) ? (x)->localClient->cork_count++ : (x)->from->localClient->cork_count++ )
 553 #define ClearCork(x)            (MyConnect(x) ? (x)->localClient->cork_count-- : (x)->from->localClient->cork_count--)
 554
 555 /*
 556  * definitions for get_client_name
 557  */
 558 #define HIDE_IP 0
 559 #define SHOW_IP 1
 560 #define MASK_IP 2
 561
 562 extern void check_banned_lines(void);
 563 extern void check_klines_event(void *unused);
 564 extern void check_klines(void);
 565 extern void check_dlines(void);
 566 extern void check_xlines(void);
 567 extern void resv_nick_fnc(const char *mask, const char *reason, int temp_time);
 568
 569 extern const char *get_client_name(struct Client *client, int show_ip);
 570 extern const char *log_client_name(struct Client *, int);
 571 extern int is_remote_connect(struct Client *);
 572 extern void init_client(void);
 573 extern struct Client *make_client(struct Client *from);
 574 extern void free_pre_client(struct Client *client);
 575 extern void free_client(struct Client *client);
 576
 577 extern int exit_client(struct Client *, struct Client *, struct Client *, const char *);
 578
 579 extern void error_exit_client(struct Client *, int);
 580
 581
 582
 583 extern void count_local_client_memory(size_t * count, size_t * memory);
 584 extern void count_remote_client_memory(size_t * count, size_t * memory);
 585
 586 extern int clean_nick(const char *, int loc_client);
 587
 588 extern struct Client *find_chasing(struct Client *, const char *, int *);
 589 extern struct Client *find_person(const char *);
 590 extern struct Client *find_named_person(const char *);
 591 extern struct Client *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, int sendqex);
 597 extern int show_ip(struct Client *source_p, struct Client *target_p);
 598 extern int show_ip_conf(struct ConfItem *aconf, struct Client *source_p);
 599 extern int show_ip_whowas(struct Whowas *whowas, struct Client *source_p);
 600
 601 extern void initUser(void);
 602 extern void free_user(struct User *, struct Client *);
 603 extern struct User *make_user(struct Client *);
 604 extern struct Server *make_server(struct Client *);
 605 extern void close_connection(struct Client *);
 606 extern void init_uid(void);
 607 extern char *generate_uid(void);
 608
 609 void allocate_away(struct Client *);
 610 void free_away(struct Client *);
 611
 612 #endif /* INCLUDED_client_h */