include/client.h

   1 /*
   2  *  Solanum: a slightly advanced 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 Ariadne Conill 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 /* we store ipv6 ips for remote clients, so this needs to be v6 always */
  40 #define HOSTIPLEN       53      /* sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255.ipv6") */
  41 #define PASSWDLEN       128
  42 #define CIPHERKEYLEN    64      /* 512bit */
  43
  44 #define IDLEN           10
  45
  46 #define TGCHANGE_NUM            10      /* how many targets we keep track of */
  47 #define TGCHANGE_REPLY          5       /* how many reply targets */
  48 #define TGCHANGE_INITIAL        10      /* initial free targets (normal) */
  49 #define TGCHANGE_INITIAL_LOW    4       /* initial free targets (possible spambot) */
  50
  51 /*
  52  * pre declare structs
  53  */
  54 struct ConfItem;
  55 struct Whowas;
  56 struct DNSReply;
  57 struct Listener;
  58 struct Client;
  59 struct User;
  60 struct Server;
  61 struct LocalUser;
  62 struct PreClient;
  63 struct ListClient;
  64 struct scache_entry;
  65 struct ws_ctl;
  66
  67 typedef int SSL_OPEN_CB(struct Client *, int status);
  68
  69 /*
  70  * Client structures
  71  */
  72 struct User
  73 {
  74         rb_dlink_list channel;  /* chain of channel pointer blocks */
  75         rb_dlink_list invited;  /* chain of invite pointer blocks */
  76         char *away;             /* pointer to away message */
  77         int refcnt;             /* Number of times this block is referenced */
  78
  79         char *opername; /* name of operator{} block being used or tried (challenge) */
  80         struct PrivilegeSet *privset;
  81
  82         char suser[NICKLEN+1];
  83 };
  84
  85 struct Server
  86 {
  87         struct User *user;      /* who activated this connection */
  88         char by[NICKLEN];
  89         rb_dlink_list servers;
  90         rb_dlink_list users;
  91         int caps;               /* capabilities bit-field */
  92         char *fullcaps;
  93         struct scache_entry *nameinfo;
  94 };
  95
  96 struct Client
  97 {
  98         rb_dlink_node node;
  99         rb_dlink_node lnode;
 100         struct User *user;      /* ...defined, if this is a User */
 101         struct Server *serv;    /* ...defined, if this is a server */
 102         struct Client *servptr; /* Points to server this Client is on */
 103         struct Client *from;    /* == self, if Local Client, *NEVER* NULL! */
 104
 105         rb_dlink_list whowas_clist;
 106
 107         time_t tsinfo;          /* TS on the nick, SVINFO on server */
 108         unsigned int umodes;    /* opers, normal users subset */
 109         uint64_t flags;         /* client flags */
 110
 111         unsigned int snomask;   /* server notice mask */
 112
 113         int hopcount;           /* number of servers to this 0 = local */
 114         unsigned short status;  /* Client type */
 115         unsigned char handler;  /* Handler index */
 116         unsigned long serial;   /* used to enforce 1 send per nick */
 117
 118         /* client->name is the unique name for a client nick or host */
 119         char name[NAMELEN + 1];
 120
 121         /*
 122          * client->username is the username from ident or the USER message,
 123          * If the client is idented the USER message is ignored, otherwise
 124          * the username part of the USER message is put here prefixed with a
 125          * tilde depending on the I:line, Once a client has registered, this
 126          * field should be considered read-only.
 127          */
 128         char username[USERLEN + 1];     /* client's username */
 129
 130         /*
 131          * client->host contains the resolved name or ip address
 132          * as a string for the user, it may be fiddled with for oper spoofing etc.
 133          */
 134         char host[HOSTLEN + 1]; /* client's hostname */
 135         char orighost[HOSTLEN + 1]; /* original hostname (before dynamic spoofing) */
 136         char sockhost[HOSTIPLEN + 1]; /* clients ip */
 137         char info[REALLEN + 1]; /* Free form additional client info */
 138
 139         char id[IDLEN]; /* UID/SID, unique on the network */
 140
 141         /* list of who has this client on their allow list, its counterpart
 142          * is in LocalUser
 143          */
 144         rb_dlink_list on_allow_list;
 145
 146         time_t first_received_message_time;
 147         int received_number_of_privmsgs;
 148         int flood_noticed;
 149
 150         struct LocalUser *localClient;
 151         struct PreClient *preClient;
 152
 153         time_t large_ctcp_sent; /* ctcp to large group sent, relax flood checks */
 154         char *certfp; /* client certificate fingerprint */
 155 };
 156
 157 struct LocalUser
 158 {
 159         rb_dlink_node tnode;    /* This is the node for the local list type the client is on */
 160         rb_dlink_list connids;  /* This is the list of connids to free */
 161
 162         /*
 163          * The following fields are allocated only for local clients
 164          * (directly connected to *this* server with a socket.
 165          */
 166         /* Anti flooding part, all because of lamers... */
 167         time_t last_join_time;  /* when this client last
 168                                    joined a channel */
 169         time_t last_leave_time; /* when this client last
 170                                  * left a channel */
 171         int join_leave_count;   /* count of JOIN/LEAVE in less than
 172                                    MIN_JOIN_LEAVE_TIME seconds */
 173         int oper_warn_count_down;       /* warn opers of this possible
 174                                            spambot every time this gets to 0 */
 175         time_t last_caller_id_time;
 176
 177         time_t lasttime;        /* last time we parsed something */
 178         time_t firsttime;       /* time client was created */
 179
 180         /* Send and receive linebuf queues .. */
 181         buf_head_t buf_sendq;
 182         buf_head_t buf_recvq;
 183
 184         /*
 185          * we want to use unsigned int here so the sizes have a better chance of
 186          * staying the same on 64 bit machines. The current trend is to use
 187          * I32LP64, (32 bit ints, 64 bit longs and pointers) and since ircd
 188          * will NEVER run on an operating system where ints are less than 32 bits,
 189          * it's a relatively safe bet to use ints. Since right shift operations are
 190          * performed on these, it's not safe to allow them to become negative,
 191          * which is possible for long running server connections. Unsigned values
 192          * generally overflow gracefully. --Bleep
 193          *
 194          * We have modern conveniences. Let's use uint32_t. --Elizafox
 195          */
 196         uint32_t sendM;         /* Statistics: protocol messages send */
 197         uint32_t sendK;         /* Statistics: total k-bytes send */
 198         uint32_t receiveM;      /* Statistics: protocol messages received */
 199         uint32_t receiveK;      /* Statistics: total k-bytes received */
 200         uint16_t sendB;         /* counters to count upto 1-k lots of bytes */
 201         uint16_t receiveB;      /* sent and received. */
 202         struct Listener *listener;      /* listener accepted from */
 203         struct ConfItem *att_conf;      /* attached conf */
 204         struct server_conf *att_sconf;
 205
 206         struct rb_sockaddr_storage ip;
 207         time_t last_nick_change;
 208         int number_of_nick_changes;
 209
 210         /*
 211          * XXX - there is no reason to save this, it should be checked when it's
 212          * received and not stored, this is not used after registration
 213          *
 214          * agreed. lets get rid of it someday! --nenolod
 215          */
 216         char *passwd;
 217         char *auth_user;
 218         unsigned char *challenge;
 219         char *fullcaps;
 220         char *cipher_string;
 221
 222         int caps;               /* capabilities bit-field */
 223         rb_fde_t *F;            /* >= 0, for local clients */
 224
 225         /* time challenge response is valid for */
 226         time_t chal_time;
 227
 228         time_t next_away;       /* Don't allow next away before... */
 229         time_t last;
 230
 231         /* clients allowed to talk through +g */
 232         rb_dlink_list allow_list;
 233
 234         /* nicknames theyre monitoring */
 235         rb_dlink_list monitor_list;
 236
 237         /*
 238          * Anti-flood stuff. We track how many messages were parsed and how
 239          * many we were allowed in the current second, and apply a simple decay
 240          * to avoid flooding.
 241          *   -- adrian
 242          */
 243         int sent_parsed;        /* how many messages we've parsed in this second */
 244         time_t last_knock;      /* time of last knock */
 245         uint32_t random_ping;
 246
 247         /* target change stuff */
 248         /* targets we're aware of (fnv32(use_id(target_p))):
 249          * 0..TGCHANGE_NUM-1 regular slots
 250          * TGCHANGE_NUM..TGCHANGE_NUM+TGCHANGE_REPLY-1 reply slots
 251          */
 252         uint32_t targets[TGCHANGE_NUM + TGCHANGE_REPLY];
 253         unsigned int targets_free;      /* free targets */
 254         time_t target_last;             /* last time we cleared a slot */
 255
 256         /* ratelimit items */
 257         time_t ratelimit;
 258         unsigned int join_who_credits;
 259
 260         struct ListClient *safelist_data;
 261
 262         char *mangledhost; /* non-NULL if host mangling module loaded and
 263                               applicable to this client */
 264
 265         struct _ssl_ctl *ssl_ctl;               /* which ssl daemon we're associate with */
 266         struct _ssl_ctl *z_ctl;                 /* second ctl for ssl+zlib */
 267         struct ws_ctl *ws_ctl;                  /* ctl for wsockd */
 268         SSL_OPEN_CB *ssl_callback;              /* ssl connection is now open */
 269         uint32_t localflags;
 270         uint16_t cork_count;                    /* used for corking/uncorking connections */
 271         struct ev_entry *event;                 /* used for associated events */
 272
 273         char sasl_agent[IDLEN];
 274         unsigned char sasl_out;
 275         unsigned char sasl_complete;
 276
 277         unsigned int sasl_messages;
 278         unsigned int sasl_failures;
 279         time_t sasl_next_retry;
 280 };
 281
 282 #define AUTHC_F_DEFERRED 0x01
 283 #define AUTHC_F_COMPLETE 0x02
 284
 285 struct AuthClient
 286 {
 287         uint32_t cid;   /* authd id */
 288         time_t timeout; /* When to terminate authd query */
 289         bool accepted;  /* did authd accept us? */
 290         char cause;     /* rejection cause */
 291         char *data;     /* reason data */
 292         char *reason;   /* reason we were rejected */
 293         int flags;
 294 };
 295
 296 struct PreClient
 297 {
 298         char spoofnick[NICKLEN + 1];
 299         char spoofuser[USERLEN + 1];
 300         char spoofhost[HOSTLEN + 1];
 301
 302         struct AuthClient auth;
 303
 304         struct rb_sockaddr_storage lip; /* address of our side of the connection */
 305
 306         char id[IDLEN]; /* UID/SID, unique on the network (unverified) */
 307 };
 308
 309 struct ListClient
 310 {
 311         char *chname, *mask, *nomask;
 312         unsigned int users_min, users_max;
 313         time_t created_min, created_max, topic_min, topic_max;
 314         int operspy;
 315 };
 316
 317 /*
 318  * status macros.
 319  */
 320 #define STAT_CONNECTING         0x01
 321 #define STAT_HANDSHAKE          0x02
 322 #define STAT_ME                 0x04
 323 #define STAT_UNKNOWN            0x08
 324 #define STAT_REJECT             0x10
 325 #define STAT_SERVER             0x20
 326 #define STAT_CLIENT             0x40
 327
 328
 329 #define IsRegisteredUser(x)     ((x)->status == STAT_CLIENT)
 330 #define IsRegistered(x)         (((x)->status  > STAT_UNKNOWN) && ((x)->status != STAT_REJECT))
 331 #define IsConnecting(x)         ((x)->status == STAT_CONNECTING)
 332 #define IsHandshake(x)          ((x)->status == STAT_HANDSHAKE)
 333 #define IsMe(x)                 ((x)->status == STAT_ME)
 334 #define IsUnknown(x)            ((x)->status == STAT_UNKNOWN)
 335 #define IsServer(x)             ((x)->status == STAT_SERVER)
 336 #define IsClient(x)             ((x)->status == STAT_CLIENT)
 337 #define IsReject(x)             ((x)->status == STAT_REJECT)
 338
 339 #define IsAnyServer(x)          (IsServer(x) || IsHandshake(x) || IsConnecting(x))
 340
 341 #define IsOper(x)               ((x)->umodes & UMODE_OPER)
 342 #define IsAdmin(x)              ((x)->umodes & UMODE_ADMIN)
 343
 344 #define SetReject(x)            {(x)->status = STAT_REJECT; \
 345                                  (x)->handler = UNREGISTERED_HANDLER; }
 346
 347 #define SetConnecting(x)        {(x)->status = STAT_CONNECTING; \
 348                                  (x)->handler = UNREGISTERED_HANDLER; }
 349
 350 #define SetHandshake(x)         {(x)->status = STAT_HANDSHAKE; \
 351                                  (x)->handler = UNREGISTERED_HANDLER; }
 352
 353 #define SetMe(x)                {(x)->status = STAT_ME; \
 354                                  (x)->handler = UNREGISTERED_HANDLER; }
 355
 356 #define SetUnknown(x)           {(x)->status = STAT_UNKNOWN; \
 357                                  (x)->handler = UNREGISTERED_HANDLER; }
 358
 359 #define SetServer(x)            {(x)->status = STAT_SERVER; \
 360                                  (x)->handler = SERVER_HANDLER; }
 361
 362 #define SetClient(x)            {(x)->status = STAT_CLIENT; \
 363                                  (x)->handler = IsOperGeneral((x)) ? \
 364                                         OPER_HANDLER : CLIENT_HANDLER; }
 365 #define SetRemoteClient(x)      {(x)->status = STAT_CLIENT; \
 366                                  (x)->handler = RCLIENT_HANDLER; }
 367
 368 #define STAT_CLIENT_PARSE (STAT_UNKNOWN | STAT_CLIENT)
 369 #define STAT_SERVER_PARSE (STAT_CONNECTING | STAT_HANDSHAKE | STAT_SERVER)
 370
 371 #define PARSE_AS_CLIENT(x)      ((x)->status & STAT_CLIENT_PARSE)
 372 #define PARSE_AS_SERVER(x)      ((x)->status & STAT_SERVER_PARSE)
 373
 374
 375 /*
 376  * ts stuff
 377  */
 378 #define TS_CURRENT      6
 379 #define TS_MIN          6
 380
 381 #define TS_DOESTS       0x10000000
 382 #define DoesTS(x)       ((x)->tsinfo & TS_DOESTS)
 383
 384 #define has_id(source)  ((source)->id[0] != '\0')
 385 #define use_id(source)  ((source)->id[0] != '\0' ? (source)->id : (source)->name)
 386
 387 /* if target is TS6, use id if it has one, else name */
 388 #define get_id(source, target) ((IsServer(target->from) && has_id(target->from)) ? \
 389                                 use_id(source) : (source)->name)
 390
 391 /* housekeeping flags */
 392
 393 #define FLAGS_PINGSENT          0x00000001      /* Unreplied ping sent */
 394 #define FLAGS_DEAD              0x00000002      /* Local socket is dead--Exiting soon */
 395 #define FLAGS_KILLED            0x00000004      /* Prevents "QUIT" from being sent for this */
 396 #define FLAGS_SENTUSER          0x00000008      /* Client sent a USER command. */
 397 #define FLAGS_CLICAP            0x00000010      /* In CAP negotiation, wait for CAP END */
 398 #define FLAGS_CLOSING           0x00000020      /* set when closing to suppress errors */
 399 #define FLAGS_PING_COOKIE       0x00000040      /* has sent ping cookie */
 400 #define FLAGS_GOTID             0x00000080      /* successful ident lookup achieved */
 401 #define FLAGS_FLOODDONE         0x00000100      /* flood grace period over / reported */
 402 #define FLAGS_NORMALEX          0x00000200      /* Client exited normally */
 403 #define FLAGS_MARK              0x00000400      /* marked client */
 404 #define FLAGS_HIDDEN            0x00000800      /* hidden server */
 405 #define FLAGS_EOB               0x00001000      /* EOB */
 406 #define FLAGS_MYCONNECT         0x00002000      /* MyConnect */
 407 #define FLAGS_IOERROR           0x00004000      /* IO error */
 408 #define FLAGS_SERVICE           0x00008000      /* network service */
 409 #define FLAGS_TGCHANGE          0x00010000      /* we're allowed to clear something */
 410 #define FLAGS_DYNSPOOF          0x00020000      /* dynamic spoof, only opers see ip */
 411 #define FLAGS_TGEXCESSIVE       0x00040000      /* whether the client has attemped to change targets excessively fast */
 412 #define FLAGS_CLICAP_DATA       0x00080000      /* requested CAP LS 302 */
 413 #define FLAGS_EXTENDCHANS       0x00100000
 414 #define FLAGS_EXEMPTRESV        0x00200000
 415 #define FLAGS_EXEMPTKLINE       0x00400000
 416 #define FLAGS_EXEMPTFLOOD       0x00800000
 417 #define FLAGS_IP_SPOOFING       0x01000000
 418 #define FLAGS_EXEMPTSPAMBOT     0x02000000
 419 #define FLAGS_EXEMPTSHIDE       0x04000000
 420 #define FLAGS_EXEMPTJUPE        0x08000000
 421 #define FLAGS_IDENTIFIED        0x10000000      /* owns their current nick */
 422
 423
 424 /* flags for local clients, this needs stuff moved from above to here at some point */
 425 #define LFLAGS_SSL              0x00000001
 426 #define LFLAGS_FLUSH            0x00000002
 427 #define LFLAGS_CORK             0x00000004
 428 #define LFLAGS_SCTP             0x00000008
 429 #define LFLAGS_SECURE           0x00000010      /* for marking SSL clients as secure before registration */
 430 /* LFLAGS_FAKE: client may not have the usually expected machinery plugged in; don't assert on it. For tests only. */
 431 #define LFLAGS_FAKE             0x00000020
 432
 433 /* umodes, settable flags */
 434 /* lots of this moved to snomask -- jilles */
 435 #define UMODE_SERVNOTICE   0x0001       /* server notices */
 436 #define UMODE_WALLOP       0x0002       /* send wallops to them */
 437 #define UMODE_OPERWALL     0x0004       /* Operwalls */
 438 #define UMODE_INVISIBLE    0x0008       /* makes user invisible */
 439 #define UMODE_LOCOPS       0x0020       /* show locops */
 440 #define UMODE_SERVICE      0x0040
 441 #define UMODE_DEAF         0x0080
 442 #define UMODE_NOFORWARD    0x0100       /* don't forward */
 443
 444 /* user information flags, only settable by remote mode or local oper */
 445 #define UMODE_OPER         0x1000       /* Operator */
 446 #define UMODE_ADMIN        0x2000       /* Admin on server */
 447 #define UMODE_SECURE       0x4000       /* has a secure connection */
 448
 449 #define DEFAULT_OPER_UMODES (UMODE_SERVNOTICE | UMODE_OPERWALL | \
 450                              UMODE_WALLOP | UMODE_LOCOPS)
 451 #define DEFAULT_OPER_SNOMASK SNO_GENERAL
 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 IsTGExcessive(x)        ((x)->flags & FLAGS_TGEXCESSIVE)
 487 #define SetTGExcessive(x)       ((x)->flags |= FLAGS_TGEXCESSIVE)
 488 #define ClearTGExcessive(x)     ((x)->flags &= ~FLAGS_TGEXCESSIVE)
 489 #define IsIdentified(x)         ((x)->flags & FLAGS_IDENTIFIED)
 490 #define SetIdentified(x)        ((x)->flags |= FLAGS_IDENTIFIED)
 491 #define ClearIdentified(x)      ((x)->flags &= ~FLAGS_IDENTIFIED)
 492
 493 /* local flags */
 494
 495 #define IsSSL(x)                ((x)->localClient->localflags & LFLAGS_SSL)
 496 #define SetSSL(x)               ((x)->localClient->localflags |= LFLAGS_SSL)
 497 #define ClearSSL(x)             ((x)->localClient->localflags &= ~LFLAGS_SSL)
 498
 499 #define IsFlush(x)              ((x)->localClient->localflags & LFLAGS_FLUSH)
 500 #define SetFlush(x)             ((x)->localClient->localflags |= LFLAGS_FLUSH)
 501 #define ClearFlush(x)           ((x)->localClient->localflags &= ~LFLAGS_FLUSH)
 502
 503 #define IsSCTP(x)               ((x)->localClient->localflags & LFLAGS_SCTP)
 504 #define SetSCTP(x)              ((x)->localClient->localflags |= LFLAGS_SCTP)
 505 #define ClearSCTP(x)            ((x)->localClient->localflags &= ~LFLAGS_SCTP)
 506
 507 #define IsSecure(x)             ((x)->localClient->localflags & LFLAGS_SECURE)
 508 #define SetSecure(x)            ((x)->localClient->localflags |= LFLAGS_SECURE)
 509 #define ClearSecure(x)          ((x)->localClient->localflags &= ~LFLAGS_SECURE)
 510
 511 /* oper flags */
 512 #define MyOper(x)               (MyConnect(x) && IsOper(x))
 513
 514 #define SetOper(x)              ((x)->umodes |= UMODE_OPER)
 515 #define ClearOper(x)            ((x)->umodes &= ~(UMODE_OPER|UMODE_ADMIN))
 516
 517 /* umode flags */
 518 #define IsInvisible(x)          ((x)->umodes & UMODE_INVISIBLE)
 519 #define SetInvisible(x)         ((x)->umodes |= UMODE_INVISIBLE)
 520 #define ClearInvisible(x)       ((x)->umodes &= ~UMODE_INVISIBLE)
 521 #define IsSecureClient(x)       ((x)->umodes & UMODE_SECURE)
 522 #define SendWallops(x)          ((x)->umodes & UMODE_WALLOP)
 523 #define SendLocops(x)           ((x)->umodes & UMODE_LOCOPS)
 524 #define SendServNotice(x)       ((x)->umodes & UMODE_SERVNOTICE)
 525 #define SendOperwall(x)         ((x)->umodes & UMODE_OPERWALL)
 526 #define IsService(x)            ((x)->umodes & UMODE_SERVICE)
 527 #define IsDeaf(x)               ((x)->umodes & UMODE_DEAF)
 528 #define IsNoForward(x)          ((x)->umodes & UMODE_NOFORWARD)
 529
 530 #define SetGotId(x)             ((x)->flags |= FLAGS_GOTID)
 531 #define ClearGotId(x)           ((x)->flags &= ~FLAGS_GOTID)
 532 #define IsGotId(x)              (((x)->flags & FLAGS_GOTID) != 0)
 533
 534 #define IsExemptKline(x)        ((x)->flags & FLAGS_EXEMPTKLINE)
 535 #define SetExemptKline(x)       ((x)->flags |= FLAGS_EXEMPTKLINE)
 536 #define IsExemptFlood(x)        ((x)->flags & FLAGS_EXEMPTFLOOD)
 537 #define SetExemptFlood(x)       ((x)->flags |= FLAGS_EXEMPTFLOOD)
 538 #define IsExemptSpambot(x)      ((x)->flags & FLAGS_EXEMPTSPAMBOT)
 539 #define SetExemptSpambot(x)     ((x)->flags |= FLAGS_EXEMPTSPAMBOT)
 540 #define IsExemptShide(x)        ((x)->flags & FLAGS_EXEMPTSHIDE)
 541 #define SetExemptShide(x)       ((x)->flags |= FLAGS_EXEMPTSHIDE)
 542 #define IsExemptJupe(x)         ((x)->flags & FLAGS_EXEMPTJUPE)
 543 #define SetExemptJupe(x)        ((x)->flags |= FLAGS_EXEMPTJUPE)
 544 #define IsExemptResv(x)         ((x)->flags & FLAGS_EXEMPTRESV)
 545 #define SetExemptResv(x)        ((x)->flags |= FLAGS_EXEMPTRESV)
 546 #define IsIPSpoof(x)            ((x)->flags & FLAGS_IP_SPOOFING)
 547 #define SetIPSpoof(x)           ((x)->flags |= FLAGS_IP_SPOOFING)
 548 #define IsExtendChans(x)        ((x)->flags & FLAGS_EXTENDCHANS)
 549 #define SetExtendChans(x)       ((x)->flags |= FLAGS_EXTENDCHANS)
 550
 551 /* for local users: flood grace period is over
 552  * for servers: mentioned in networknotice.c notice
 553  */
 554 #define IsFloodDone(x)          ((x)->flags & FLAGS_FLOODDONE)
 555 #define SetFloodDone(x)         ((x)->flags |= FLAGS_FLOODDONE)
 556
 557 /* These also operate on the uplink from which it came */
 558 #define IsCork(x)               (MyConnect(x) ? (x)->localClient->cork_count : (x)->from->localClient->cork_count)
 559 #define SetCork(x)              (MyConnect(x) ? (x)->localClient->cork_count++ : (x)->from->localClient->cork_count++ )
 560 #define ClearCork(x)            (MyConnect(x) ? (x)->localClient->cork_count-- : (x)->from->localClient->cork_count--)
 561
 562 /*
 563  * definitions for get_client_name
 564  */
 565 #define HIDE_IP 0
 566 #define SHOW_IP 1
 567 #define MASK_IP 2
 568
 569 enum
 570 {
 571         D_LINED,
 572         K_LINED
 573 };
 574
 575 extern void check_banned_lines(void);
 576 extern void check_klines(void);
 577 extern void check_one_kline(struct ConfItem *kline);
 578 extern void check_dlines(void);
 579 extern void check_xlines(void);
 580 extern void resv_nick_fnc(const char *mask, const char *reason, int temp_time);
 581
 582 extern const char *get_client_name(struct Client *client, int show_ip);
 583 extern const char *log_client_name(struct Client *, int);
 584 extern int is_remote_connect(struct Client *);
 585 extern void init_client(void);
 586 extern struct Client *make_client(struct Client *from);
 587 extern void free_pre_client(struct Client *client);
 588
 589 extern void notify_banned_client(struct Client *, struct ConfItem *, int ban);
 590 extern int exit_client(struct Client *, struct Client *, struct Client *, const char *);
 591
 592 extern void error_exit_client(struct Client *, int);
 593
 594 extern void count_local_client_memory(size_t * count, size_t * memory);
 595 extern void count_remote_client_memory(size_t * count, size_t * memory);
 596
 597 extern int clean_nick(const char *, int loc_client);
 598
 599 extern struct Client *find_chasing(struct Client *, const char *, int *);
 600 extern struct Client *find_person(const char *);
 601 extern struct Client *find_named_person(const char *);
 602 extern struct Client *next_client(struct Client *, const char *);
 603
 604 #define accept_message(s, t) ((s) == (t) || (rb_dlinkFind((s), &((t)->localClient->allow_list))))
 605 extern void del_all_accepts(struct Client *client_p);
 606
 607 extern void dead_link(struct Client *client_p, int sendqex);
 608 extern int show_ip(struct Client *source_p, struct Client *target_p);
 609 extern int show_ip_conf(struct ConfItem *aconf, struct Client *source_p);
 610 extern int show_ip_whowas(struct Whowas *whowas, struct Client *source_p);
 611
 612 extern void free_user(struct User *, struct Client *);
 613 extern struct User *make_user(struct Client *);
 614 extern struct Server *make_server(struct Client *);
 615 extern void close_connection(struct Client *);
 616 extern void init_uid(void);
 617 extern char *generate_uid(void);
 618
 619 void allocate_away(struct Client *);
 620 void free_away(struct Client *);
 621
 622 uint32_t connid_get(struct Client *client_p);
 623 void connid_put(uint32_t id);
 624 void client_release_connids(struct Client *client_p);
 625
 626 #endif /* INCLUDED_client_h */