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
  27 #ifndef INCLUDED_client_h
  28 #define INCLUDED_client_h
  29
  30 #include "config.h"
  31
  32 #if !defined(CONFIG_RATBOX_LEVEL_1)
  33 #error Incorrect config.h for this revision of ircd.
  34 #endif
  35
  36 #include "ircd_defs.h"
  37 #include "channel.h"
  38 #include "res.h"
  39 #include "snomask.h"
  40 #include "match.h"
  41 #include "ircd.h"
  42 #include "privilege.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 #define TGCHANGE_NUM            10      /* how many targets we keep track of */
  56 #define TGCHANGE_REPLY          5       /* how many reply targets */
  57 #define TGCHANGE_INITIAL        10      /* initial free targets (normal) */
  58 #define TGCHANGE_INITIAL_LOW    4       /* initial free targets (possible spambot) */
  59
  60 /*
  61  * pre declare structs
  62  */
  63 struct ConfItem;
  64 struct Whowas;
  65 struct DNSReply;
  66 struct Listener;
  67 struct Client;
  68 struct User;
  69 struct Server;
  70 struct LocalUser;
  71 struct AuthRequest;
  72 struct PreClient;
  73 struct ListClient;
  74 struct scache_entry;
  75
  76 /*
  77  * Client structures
  78  */
  79 struct User
  80 {
  81         rb_dlink_list channel;  /* chain of channel pointer blocks */
  82         rb_dlink_list invited;  /* chain of invite pointer blocks */
  83         char *away;             /* pointer to away message */
  84         int refcnt;             /* Number of times this block is referenced */
  85
  86         struct Dictionary *metadata;
  87
  88         char suser[NICKLEN+1];
  89 };
  90
  91 struct Server
  92 {
  93         struct User *user;      /* who activated this connection */
  94         char by[NICKLEN];
  95         rb_dlink_list servers;
  96         rb_dlink_list users;
  97         int caps;               /* capabilities bit-field */
  98         char *fullcaps;
  99         struct scache_entry *nameinfo;
 100 };
 101
 102 struct ZipStats
 103 {
 104         unsigned long long in;
 105         unsigned long long in_wire;
 106         unsigned long long out;
 107         unsigned long long out_wire;
 108         double in_ratio;
 109         double out_ratio;
 110 };
 111
 112 struct Client
 113 {
 114         rb_dlink_node node;
 115         rb_dlink_node lnode;
 116         struct User *user;      /* ...defined, if this is a User */
 117         struct Server *serv;    /* ...defined, if this is a server */
 118         struct Client *servptr; /* Points to server this Client is on */
 119         struct Client *from;    /* == self, if Local Client, *NEVER* NULL! */
 120
 121         struct Whowas *whowas;  /* Pointers to whowas structs */
 122         time_t tsinfo;          /* TS on the nick, SVINFO on server */
 123         unsigned int umodes;    /* opers, normal users subset */
 124         unsigned int flags;     /* client flags */
 125         unsigned int flags2;    /* ugh. overflow */
 126
 127         unsigned int snomask;   /* server notice mask */
 128
 129         int hopcount;           /* number of servers to this 0 = local */
 130         unsigned short status;  /* Client type */
 131         unsigned char handler;  /* Handler index */
 132         unsigned long serial;   /* used to enforce 1 send per nick */
 133
 134         /* client->name is the unique name for a client nick or host */
 135         char name[HOSTLEN + 1];
 136
 137         /*
 138          * client->username is the username from ident or the USER message,
 139          * If the client is idented the USER message is ignored, otherwise
 140          * the username part of the USER message is put here prefixed with a
 141          * tilde depending on the I:line, Once a client has registered, this
 142          * field should be considered read-only.
 143          */
 144         char username[USERLEN + 1];     /* client's username */
 145
 146         /*
 147          * client->host contains the resolved name or ip address
 148          * as a string for the user, it may be fiddled with for oper spoofing etc.
 149          */
 150         char host[HOSTLEN + 1]; /* client's hostname */
 151         char orighost[HOSTLEN + 1]; /* original hostname (before dynamic spoofing) */
 152         char sockhost[HOSTIPLEN + 1]; /* clients ip */
 153         char info[REALLEN + 1]; /* Free form additional client info */
 154
 155         char id[IDLEN]; /* UID/SID, unique on the network */
 156
 157         /* list of who has this client on their allow list, its counterpart
 158          * is in LocalUser
 159          */
 160         rb_dlink_list on_allow_list;
 161
 162         time_t first_received_message_time;
 163         int received_number_of_privmsgs;
 164         int flood_noticed;
 165
 166         struct LocalUser *localClient;
 167         struct PreClient *preClient;
 168
 169         time_t large_ctcp_sent; /* ctcp to large group sent, relax flood checks */
 170         char *certfp; /* client certificate fingerprint */
 171 };
 172
 173 struct LocalUser
 174 {
 175         rb_dlink_node tnode;    /* This is the node for the local list type the client is on*/
 176         /*
 177          * The following fields are allocated only for local clients
 178          * (directly connected to *this* server with a socket.
 179          */
 180         /* Anti flooding part, all because of lamers... */
 181         time_t last_join_time;  /* when this client last
 182                                    joined a channel */
 183         time_t last_leave_time; /* when this client last
 184                                  * left a channel */
 185         int join_leave_count;   /* count of JOIN/LEAVE in less than
 186                                    MIN_JOIN_LEAVE_TIME seconds */
 187         int oper_warn_count_down;       /* warn opers of this possible
 188                                            spambot every time this gets to 0 */
 189         time_t last_caller_id_time;
 190
 191         time_t lasttime;        /* last time we parsed something */
 192         time_t firsttime;       /* time client was created */
 193
 194         /* Send and receive linebuf queues .. */
 195         buf_head_t buf_sendq;
 196         buf_head_t buf_recvq;
 197         /*
 198          * we want to use unsigned int here so the sizes have a better chance of
 199          * staying the same on 64 bit machines. The current trend is to use
 200          * I32LP64, (32 bit ints, 64 bit longs and pointers) and since ircd
 201          * will NEVER run on an operating system where ints are less than 32 bits,
 202          * it's a relatively safe bet to use ints. Since right shift operations are
 203          * performed on these, it's not safe to allow them to become negative,
 204          * which is possible for long running server connections. Unsigned values
 205          * generally overflow gracefully. --Bleep
 206          */
 207         unsigned int sendM;     /* Statistics: protocol messages send */
 208         unsigned int sendK;     /* Statistics: total k-bytes send */
 209         unsigned int receiveM;  /* Statistics: protocol messages received */
 210         unsigned int receiveK;  /* Statistics: total k-bytes received */
 211         unsigned short sendB;   /* counters to count upto 1-k lots of bytes */
 212         unsigned short receiveB;        /* sent and received. */
 213         struct Listener *listener;      /* listener accepted from */
 214         struct ConfItem *att_conf;      /* attached conf */
 215         struct server_conf *att_sconf;
 216
 217         struct rb_sockaddr_storage ip;
 218         time_t last_nick_change;
 219         int number_of_nick_changes;
 220
 221         /*
 222          * XXX - there is no reason to save this, it should be checked when it's
 223          * received and not stored, this is not used after registration
 224          *
 225          * agreed. lets get rid of it someday! --nenolod
 226          */
 227         char *passwd;
 228         char *auth_user;
 229         char *opername; /* name of operator{} block being used or tried (challenge) */
 230         char *challenge;
 231         char *fullcaps;
 232
 233         int caps;               /* capabilities bit-field */
 234         rb_fde_t *F;            /* >= 0, for local clients */
 235
 236         /* time challenge response is valid for */
 237         time_t chal_time;
 238
 239         struct DNSQuery *dnsquery; /* for outgoing server's name lookup */
 240
 241         time_t last_away;       /* Away since... */
 242         time_t last;
 243
 244         /* clients allowed to talk through +g */
 245         rb_dlink_list allow_list;
 246
 247         /* nicknames theyre monitoring */
 248         rb_dlink_list monitor_list;
 249
 250         /*
 251          * Anti-flood stuff. We track how many messages were parsed and how
 252          * many we were allowed in the current second, and apply a simple decay
 253          * to avoid flooding.
 254          *   -- adrian
 255          */
 256         int allow_read;         /* how many we're allowed to read in this second */
 257         int actually_read;      /* how many we've actually read in this second */
 258         int sent_parsed;        /* how many messages we've parsed in this second */
 259         time_t last_knock;      /* time of last knock */
 260         unsigned long random_ping;
 261         struct AuthRequest *auth_request;
 262
 263         /* target change stuff */
 264         /* targets we're aware of (fnv32(use_id(target_p))):
 265          * 0..TGCHANGE_NUM-1 regular slots
 266          * TGCHANGE_NUM..TGCHANGE_NUM+TGCHANGE_REPLY-1 reply slots
 267          */
 268         uint32_t targets[TGCHANGE_NUM + TGCHANGE_REPLY];
 269         unsigned int targets_free;      /* free targets */
 270         time_t target_last;             /* last time we cleared a slot */
 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 localflags;
 280         struct ZipStats *zipstats;              /* zipstats */
 281         uint16_t cork_count;                    /* used for corking/uncorking connections */
 282         struct ev_entry *event;                 /* used for associated events */
 283
 284         struct PrivilegeSet *privset;           /* privset... */
 285
 286         struct ev_entry *override_timeout_event;
 287 };
 288
 289 struct PreClient
 290 {
 291         char spoofnick[NICKLEN + 1];
 292         char spoofuser[USERLEN + 1];
 293         char spoofhost[HOSTLEN + 1];
 294
 295         char sasl_agent[IDLEN];
 296         unsigned char sasl_out;
 297         unsigned char sasl_complete;
 298
 299         rb_dlink_list dnsbl_queries; /* list of struct BlacklistClient * */
 300         struct Blacklist *dnsbl_listed; /* first dnsbl where it's listed */
 301
 302         struct rb_sockaddr_storage lip; /* address of our side of the connection */
 303 };
 304
 305 struct ListClient
 306 {
 307         unsigned int hash_indice;
 308         unsigned int users_min, users_max;
 309         int operspy;
 310
 311         /* It would be nice to add other modifiers,
 312          * but not for 1.1 --nenolod
 313          */
 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_MARK         0x10000      /* marked client */
 403 #define FLAGS_HIDDEN       0x20000      /* hidden server */
 404 #define FLAGS_EOB          0x40000      /* EOB */
 405 #define FLAGS_MYCONNECT    0x80000      /* MyConnect */
 406 #define FLAGS_IOERROR      0x100000     /* IO error */
 407 #define FLAGS_SERVICE      0x200000     /* network service */
 408 #define FLAGS_TGCHANGE     0x400000     /* we're allowed to clear something */
 409 #define FLAGS_DYNSPOOF     0x800000     /* dynamic spoof, only opers see ip */
 410
 411 /* flags for local clients, this needs stuff moved from above to here at some point */
 412 #define LFLAGS_SSL              0x00000001
 413 #define LFLAGS_FLUSH            0x00000002
 414 #define LFLAGS_CORK             0x00000004
 415
 416 /* umodes, settable flags */
 417 /* lots of this moved to snomask -- jilles */
 418 #define UMODE_SERVNOTICE   0x0001       /* server notices */
 419 #define UMODE_WALLOP       0x0002       /* send wallops to them */
 420 #define UMODE_OPERWALL     0x0004       /* Operwalls */
 421 #define UMODE_INVISIBLE    0x0008       /* makes user invisible */
 422 #define UMODE_CALLERID     0x0010       /* block unless caller id's */
 423 #define UMODE_LOCOPS       0x0020       /* show locops */
 424 #define UMODE_SERVICE      0x0040
 425 #define UMODE_DEAF         0x0080
 426 #define UMODE_NOFORWARD    0x0100       /* don't forward */
 427 #define UMODE_REGONLYMSG   0x0200       /* only allow logged in users to msg */
 428 #define UMODE_NOCTCP       0x0400       /* block CTCPs except for ACTION */
 429 #define UMODE_NOINVITE     0x0800       /* block invites */
 430 #define UMODE_BOT          0x8000       /* mark as a bot in whois */
 431 #define UMODE_SCALLERID    0x40000      /* soft caller id */
 432
 433 /* user information flags, only settable by remote mode or local oper */
 434 #define UMODE_OPER         0x1000       /* Operator */
 435 #define UMODE_ADMIN        0x2000       /* Admin on server */
 436 #define UMODE_SSLCLIENT    0x4000       /* using SSL */
 437 #define UMODE_OVERRIDE     0x20000  /* able to override */
 438
 439 #define IsOverride(x)      ((x)->umodes & UMODE_OVERRIDE)
 440
 441 /* overflow flags */
 442 /* EARLIER FLAGS ARE IN s_newconf.h */
 443 #define FLAGS2_EXEMPTRESV       0x00400000
 444 #define FLAGS2_EXEMPTKLINE      0x00800000
 445 #define FLAGS2_EXEMPTFLOOD      0x01000000
 446 #define FLAGS2_IP_SPOOFING      0x10000000
 447 #define FLAGS2_EXEMPTSPAMBOT    0x20000000
 448 #define FLAGS2_EXEMPTSHIDE      0x40000000
 449 #define FLAGS2_EXEMPTJUPE       0x80000000
 450
 451 #define DEFAULT_OPER_UMODES (UMODE_SERVNOTICE | UMODE_OPERWALL | \
 452                              UMODE_WALLOP | UMODE_LOCOPS)
 453 #define DEFAULT_OPER_SNOMASK SNO_GENERAL
 454
 455 #define CLICAP_MULTI_PREFIX     0x0001
 456 #define CLICAP_SASL             0x0002
 457
 458 /*
 459  * flags macros.
 460  */
 461 #define IsPerson(x)             (IsClient(x) && (x)->user != NULL)
 462 #define HasServlink(x)          ((x)->flags &  FLAGS_SERVLINK)
 463 #define SetServlink(x)          ((x)->flags |= FLAGS_SERVLINK)
 464 #define MyConnect(x)            ((x)->flags & FLAGS_MYCONNECT)
 465 #define SetMyConnect(x)         ((x)->flags |= FLAGS_MYCONNECT)
 466 #define ClearMyConnect(x)       ((x)->flags &= ~FLAGS_MYCONNECT)
 467
 468 #define MyClient(x)             (MyConnect(x) && IsClient(x))
 469 #define SetMark(x)              ((x)->flags |= FLAGS_MARK)
 470 #define ClearMark(x)            ((x)->flags &= ~FLAGS_MARK)
 471 #define IsMarked(x)             ((x)->flags & FLAGS_MARK)
 472 #define SetHidden(x)            ((x)->flags |= FLAGS_HIDDEN)
 473 #define ClearHidden(x)          ((x)->flags &= ~FLAGS_HIDDEN)
 474 #define IsHidden(x)             ((x)->flags & FLAGS_HIDDEN)
 475 #define ClearEob(x)             ((x)->flags &= ~FLAGS_EOB)
 476 #define SetEob(x)               ((x)->flags |= FLAGS_EOB)
 477 #define HasSentEob(x)           ((x)->flags & FLAGS_EOB)
 478 #define IsDead(x)               ((x)->flags &  FLAGS_DEAD)
 479 #define SetDead(x)              ((x)->flags |= FLAGS_DEAD)
 480 #define IsClosing(x)            ((x)->flags & FLAGS_CLOSING)
 481 #define SetClosing(x)           ((x)->flags |= FLAGS_CLOSING)
 482 #define IsIOError(x)            ((x)->flags & FLAGS_IOERROR)
 483 #define SetIOError(x)           ((x)->flags |= FLAGS_IOERROR)
 484 #define IsAnyDead(x)            (IsIOError(x) || IsDead(x) || IsClosing(x))
 485 #define IsTGChange(x)           ((x)->flags & FLAGS_TGCHANGE)
 486 #define SetTGChange(x)          ((x)->flags |= FLAGS_TGCHANGE)
 487 #define ClearTGChange(x)        ((x)->flags &= ~FLAGS_TGCHANGE)
 488 #define IsDynSpoof(x)           ((x)->flags & FLAGS_DYNSPOOF)
 489 #define SetDynSpoof(x)          ((x)->flags |= FLAGS_DYNSPOOF)
 490 #define ClearDynSpoof(x)        ((x)->flags &= ~FLAGS_DYNSPOOF)
 491
 492 /* local flags */
 493
 494 #define IsSSL(x)                ((x)->localClient->localflags & LFLAGS_SSL)
 495 #define SetSSL(x)               ((x)->localClient->localflags |= LFLAGS_SSL)
 496 #define ClearSSL(x)             ((x)->localClient->localflags &= ~LFLAGS_SSL)
 497
 498 #define IsFlush(x)              ((x)->localClient->localflags & LFLAGS_FLUSH)
 499 #define SetFlush(x)             ((x)->localClient->localflags |= LFLAGS_FLUSH)
 500 #define ClearFlush(x)           ((x)->localClient->localflags &= ~LFLAGS_FLUSH)
 501
 502 /* oper flags */
 503 #define MyOper(x)               (MyConnect(x) && IsOper(x))
 504
 505 #define SetOper(x)              {(x)->umodes |= UMODE_OPER; \
 506                                  if (MyClient((x))) (x)->handler = OPER_HANDLER;}
 507
 508 #define ClearOper(x)            {(x)->umodes &= ~(UMODE_OPER|UMODE_ADMIN); \
 509                                  if (MyClient((x)) && !IsOper((x)) && !IsServer((x))) \
 510                                   (x)->handler = CLIENT_HANDLER; }
 511
 512 /* umode flags */
 513 #define IsInvisible(x)          ((x)->umodes & UMODE_INVISIBLE)
 514 #define SetInvisible(x)         ((x)->umodes |= UMODE_INVISIBLE)
 515 #define ClearInvisible(x)       ((x)->umodes &= ~UMODE_INVISIBLE)
 516 #define IsSSLClient(x)          ((x)->umodes & UMODE_SSLCLIENT)
 517 #define SetSSLClient(x)         ((x)->umodes |= UMODE_SSLCLIENT)
 518 #define ClearSSLClient(x)       ((x)->umodes &= ~UMODE_SSLCLIENT)
 519 #define SendWallops(x)          ((x)->umodes & UMODE_WALLOP)
 520 #define SendLocops(x)           ((x)->umodes & UMODE_LOCOPS)
 521 #define SendServNotice(x)       ((x)->umodes & UMODE_SERVNOTICE)
 522 #define SendOperwall(x)         ((x)->umodes & UMODE_OPERWALL)
 523 #define IsSetCallerId(x)        ((x)->umodes & UMODE_CALLERID)
 524 #define IsService(x)            ((x)->umodes & UMODE_SERVICE)
 525 #define IsDeaf(x)               ((x)->umodes & UMODE_DEAF)
 526 #define IsNoForward(x)          ((x)->umodes & UMODE_NOFORWARD)
 527 #define IsSetRegOnlyMsg(x)      ((x)->umodes & UMODE_REGONLYMSG)
 528 #define IsSetNoCTCP(x)          ((x)->umodes & UMODE_NOCTCP)
 529 #define IsSetNoInvite(x)        ((x)->umodes & UMODE_NOINVITE)
 530 #define IsSetBot(x)             ((x)->umodes & UMODE_BOT)
 531 #define IsSetSCallerId(x)       ((x)->umodes & UMODE_SCALLERID)
 532
 533 #define SetGotId(x)             ((x)->flags |= FLAGS_GOTID)
 534 #define IsGotId(x)              (((x)->flags & FLAGS_GOTID) != 0)
 535
 536 /*
 537  * flags2 macros.
 538  */
 539 #define IsExemptKline(x)        ((x)->flags2 & FLAGS2_EXEMPTKLINE)
 540 #define SetExemptKline(x)       ((x)->flags2 |= FLAGS2_EXEMPTKLINE)
 541 #define IsExemptFlood(x)        ((x)->flags2 & FLAGS2_EXEMPTFLOOD)
 542 #define SetExemptFlood(x)       ((x)->flags2 |= FLAGS2_EXEMPTFLOOD)
 543 #define IsExemptSpambot(x)      ((x)->flags2 & FLAGS2_EXEMPTSPAMBOT)
 544 #define SetExemptSpambot(x)     ((x)->flags2 |= FLAGS2_EXEMPTSPAMBOT)
 545 #define IsExemptShide(x)        ((x)->flags2 & FLAGS2_EXEMPTSHIDE)
 546 #define SetExemptShide(x)       ((x)->flags2 |= FLAGS2_EXEMPTSHIDE)
 547 #define IsExemptJupe(x)         ((x)->flags2 & FLAGS2_EXEMPTJUPE)
 548 #define SetExemptJupe(x)        ((x)->flags2 |= FLAGS2_EXEMPTJUPE)
 549 #define IsExemptResv(x)         ((x)->flags2 & FLAGS2_EXEMPTRESV)
 550 #define SetExemptResv(x)        ((x)->flags2 |= FLAGS2_EXEMPTRESV)
 551 #define IsIPSpoof(x)            ((x)->flags2 & FLAGS2_IP_SPOOFING)
 552 #define SetIPSpoof(x)           ((x)->flags2 |= FLAGS2_IP_SPOOFING)
 553
 554 /* for local users: flood grace period is over
 555  * for servers: mentioned in networknotice.c notice
 556  */
 557 #define IsFloodDone(x)          ((x)->flags & FLAGS_FLOODDONE)
 558 #define SetFloodDone(x)         ((x)->flags |= FLAGS_FLOODDONE)
 559
 560 /* These also operate on the uplink from which it came */
 561 #define IsCork(x)               (MyConnect(x) ? (x)->localClient->cork_count : (x)->from->localClient->cork_count)
 562 #define SetCork(x)              (MyConnect(x) ? (x)->localClient->cork_count++ : (x)->from->localClient->cork_count++ )
 563 #define ClearCork(x)            (MyConnect(x) ? (x)->localClient->cork_count-- : (x)->from->localClient->cork_count--)
 564
 565 /*
 566  * definitions for get_client_name
 567  */
 568 #define HIDE_IP 0
 569 #define SHOW_IP 1
 570 #define MASK_IP 2
 571
 572 extern void check_banned_lines(void);
 573 extern void check_klines_event(void *unused);
 574 extern void check_klines(void);
 575 extern void check_dlines(void);
 576 extern void check_xlines(void);
 577
 578 extern const char *get_client_name(struct Client *client, int show_ip);
 579 extern const char *log_client_name(struct Client *, int);
 580 extern int is_remote_connect(struct Client *);
 581 extern void init_client(void);
 582 extern struct Client *make_client(struct Client *from);
 583 extern void free_pre_client(struct Client *client);
 584 extern void free_client(struct Client *client);
 585
 586 extern int exit_client(struct Client *, struct Client *, struct Client *, const char *);
 587
 588 extern void error_exit_client(struct Client *, int);
 589
 590
 591
 592 extern void count_local_client_memory(size_t * count, size_t * memory);
 593 extern void count_remote_client_memory(size_t * count, size_t * memory);
 594
 595 extern struct Client *find_chasing(struct Client *, const char *, int *);
 596 extern struct Client *find_person(const char *);
 597 extern struct Client *find_named_person(const char *);
 598 extern struct Client *next_client(struct Client *, const char *);
 599
 600 #define accept_message(s, t) ((s) == (t) || (rb_dlinkFind((s), &((t)->localClient->allow_list))))
 601 extern void del_all_accepts(struct Client *client_p);
 602
 603 extern void dead_link(struct Client *client_p, int sendqex);
 604 extern int show_ip(struct Client *source_p, struct Client *target_p);
 605 extern int show_ip_conf(struct ConfItem *aconf, struct Client *target_p);
 606
 607 extern void initUser(void);
 608 extern void free_user(struct User *, struct Client *);
 609 extern struct User *make_user(struct Client *);
 610 extern struct Server *make_server(struct Client *);
 611 extern void close_connection(struct Client *);
 612 extern void init_uid(void);
 613 extern char *generate_uid(void);
 614
 615 void allocate_away(struct Client *);
 616 void free_away(struct Client *);
 617
 618 extern struct Metadata *user_metadata_add(struct Client *target, const char *name, const char *value, int propegate);
 619 extern void user_metadata_delete(struct Client *target, const char *name, int propegate);
 620 extern struct Metadata *user_metadata_find(struct Client *target, const char *name);
 621 extern void user_metadata_clear(struct Client *target);
 622
 623 #endif /* INCLUDED_client_h */