src/ngircd/irc-login.c

   1 /*
   2  * ngIRCd -- The Next Generation IRC Daemon
   3  * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  * Please read the file COPYING, README and AUTHORS for more information.
  10  *
  11  * Login and logout
  12  */
  13
  14
  15 #include "portab.h"
  16
  17 static char UNUSED id[] = "$Id: irc-login.c,v 1.48 2005/08/28 11:40:13 alex Exp $";
  18
  19 #include "imp.h"
  20 #include <assert.h>
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <string.h>
  24 #include <strings.h>
  25
  26 #include "ngircd.h"
  27 #include "resolve.h"
  28 #include "conn-func.h"
  29 #include "conf.h"
  30 #include "client.h"
  31 #include "channel.h"
  32 #include "log.h"
  33 #include "messages.h"
  34 #include "parse.h"
  35 #include "irc.h"
  36 #include "irc-info.h"
  37 #include "irc-write.h"
  38 #include "cvs-version.h"
  39
  40 #include "exp.h"
  41 #include "irc-login.h"
  42
  43
  44 static bool Hello_User PARAMS(( CLIENT *Client ));
  45 static void Kill_Nick PARAMS(( char *Nick, char *Reason ));
  46
  47
  48 GLOBAL bool
  49 IRC_PASS( CLIENT *Client, REQUEST *Req )
  50 {
  51         assert( Client != NULL );
  52         assert( Req != NULL );
  53
  54         /* Fehler liefern, wenn kein lokaler Client */
  55         if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
  56
  57         if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
  58         {
  59                 /* noch nicht registrierte unbekannte Verbindung */
  60                 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
  61
  62                 /* Passwort speichern */
  63                 Client_SetPassword( Client, Req->argv[0] );
  64
  65                 Client_SetType( Client, CLIENT_GOTPASS );
  66                 return CONNECTED;
  67         }
  68         else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
  69         {
  70                 char c2, c4, *type, *impl, *serverver, *flags, *ptr, *ircflags;
  71                 int protohigh, protolow;
  72
  73                 /* noch nicht registrierte Server-Verbindung */
  74                 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
  75
  76                 /* Passwort speichern */
  77                 Client_SetPassword( Client, Req->argv[0] );
  78
  79                 /* Protokollversion ermitteln */
  80                 if( strlen( Req->argv[1] ) >= 4 )
  81                 {
  82                         c2 = Req->argv[1][2];
  83                         c4 = Req->argv[1][4];
  84
  85                         Req->argv[1][4] = '\0';
  86                         protolow = atoi( &Req->argv[1][2] );
  87                         Req->argv[1][2] = '\0';
  88                         protohigh = atoi( Req->argv[1] );
  89
  90                         Req->argv[1][2] = c2;
  91                         Req->argv[1][4] = c4;
  92                 }
  93                 else protohigh = protolow = 0;
  94
  95                 /* Protokoll-Typ */
  96                 if( strlen( Req->argv[1] ) > 4 ) type = &Req->argv[1][4];
  97                 else type = NULL;
  98
  99                 /* IRC-Flags (nach RFC 2813) */
 100                 if( Req->argc >= 4 ) ircflags = Req->argv[3];
 101                 else ircflags = "";
 102
 103                 /* Implementation, Version und ngIRCd-Flags */
 104                 impl = Req->argv[2];
 105                 ptr = strchr( impl, '|' );
 106                 if( ptr ) *ptr = '\0';
 107
 108                 if( type && ( strcmp( type, PROTOIRCPLUS ) == 0 ))
 109                 {
 110                         /* auf der anderen Seite laeuft ein Server, der
 111                          * ebenfalls das IRC+-Protokoll versteht */
 112                         serverver = ptr + 1;
 113                         flags = strchr( serverver, ':' );
 114                         if( flags )
 115                         {
 116                                 *flags = '\0';
 117                                 flags++;
 118                         }
 119                         else flags = "";
 120                         Log( LOG_INFO, "Peer announces itself as %s-%s using protocol %d.%d/IRC+ (flags: \"%s\").", impl, serverver, protohigh, protolow, flags );
 121                 }
 122                 else
 123                 {
 124                         /* auf der anderen Seite laeuft ein Server, der
 125                          * nur das Originalprotokoll unterstuetzt */
 126                         serverver = "";
 127                         if( strchr( ircflags, 'Z' )) flags = "Z";
 128                         else flags = "";
 129                         Log( LOG_INFO, "Peer announces itself as \"%s\" using protocol %d.%d (flags: \"%s\").", impl, protohigh, protolow, flags );
 130                 }
 131
 132                 Client_SetType( Client, CLIENT_GOTPASSSERVER );
 133                 Client_SetFlags( Client, flags );
 134
 135                 return CONNECTED;
 136         }
 137         else if(( Client_Type( Client ) == CLIENT_UNKNOWN  ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
 138         {
 139                 /* Falsche Anzahl Parameter? */
 140                 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 141         }
 142         else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
 143 } /* IRC_PASS */
 144
 145
 146 /**
 147  * IRC "NICK" command.
 148  * This function implements the IRC command "NICK" which is used to register
 149  * with the server, to change already registered nicknames and to introduce
 150  * new users which are connected to other servers.
 151  */
 152 GLOBAL bool
 153 IRC_NICK( CLIENT *Client, REQUEST *Req )
 154 {
 155         CLIENT *intr_c, *target, *c;
 156         char *modes;
 157
 158         assert( Client != NULL );
 159         assert( Req != NULL );
 160
 161 #ifndef STRICT_RFC
 162         /* Some IRC clients, for example BitchX, send the NICK and USER
 163          * commands in the wrong order ... */
 164         if( Client_Type( Client ) == CLIENT_UNKNOWN
 165             || Client_Type( Client ) == CLIENT_GOTPASS
 166             || Client_Type( Client ) == CLIENT_GOTNICK
 167             || Client_Type( Client ) == CLIENT_GOTUSER
 168             || Client_Type( Client ) == CLIENT_USER
 169             || ( Client_Type( Client ) == CLIENT_SERVER && Req->argc == 1 ))
 170 #else
 171         if( Client_Type( Client ) == CLIENT_UNKNOWN
 172             || Client_Type( Client ) == CLIENT_GOTPASS
 173             || Client_Type( Client ) == CLIENT_GOTNICK
 174             || Client_Type( Client ) == CLIENT_USER
 175             || ( Client_Type( Client ) == CLIENT_SERVER && Req->argc == 1 ))
 176 #endif
 177         {
 178                 /* User registration or change of nickname */
 179
 180                 /* Wrong number of arguments? */
 181                 if( Req->argc != 1 )
 182                         return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG,
 183                                                    Client_ID( Client ),
 184                                                    Req->command );
 185
 186                 /* Search "target" client */
 187                 if( Client_Type( Client ) == CLIENT_SERVER )
 188                 {
 189                         target = Client_Search( Req->prefix );
 190                         if( ! target )
 191                                 return IRC_WriteStrClient( Client,
 192                                                            ERR_NOSUCHNICK_MSG,
 193                                                            Client_ID( Client ),
 194                                                            Req->argv[0] );
 195                 }
 196                 else
 197                 {
 198                         /* Is this a restricted client? */
 199                         if( Client_HasMode( Client, 'r' ))
 200                                 return IRC_WriteStrClient( Client,
 201                                                            ERR_RESTRICTED_MSG,
 202                                                            Client_ID( Client ));
 203
 204                         target = Client;
 205                 }
 206
 207 #ifndef STRICT_RFC
 208                 /* If the clients tries to change to its own nickname we won't
 209                  * do anything. This is how the original ircd behaves and some
 210                  * clients (for example Snak) expect it to be like this.
 211                  * But I doubt that this is "really the right thing" ... */
 212                 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 )
 213                         return CONNECTED;
 214 #endif
 215
 216                 /* Check that the new nickname is available. Special case:
 217                  * the client only changes from/to upper to lower case. */
 218                 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
 219                 {
 220                         if( ! Client_CheckNick( target, Req->argv[0] ))
 221                                 return CONNECTED;
 222                 }
 223
 224                 if(( Client_Type( target ) != CLIENT_USER )
 225                    && ( Client_Type( target ) != CLIENT_SERVER ))
 226                 {
 227                         /* New client */
 228                         Log( LOG_DEBUG, "Connection %d: got valid NICK command ...",
 229                              Client_Conn( Client ));
 230
 231                         /* Register new nickname of this client */
 232                         Client_SetID( target, Req->argv[0] );
 233
 234                         /* If we received a valid USER command already then
 235                          * register the new client! */
 236                         if( Client_Type( Client ) == CLIENT_GOTUSER )
 237                                 return Hello_User( Client );
 238                         else
 239                                 Client_SetType( Client, CLIENT_GOTNICK );
 240                 }
 241                 else
 242                 {
 243                         /* Nickname change */
 244                         if( Client_Conn( target ) > NONE )
 245                         {
 246                                 /* Local client */
 247                                 Log( LOG_INFO,
 248                                      "User \"%s\" changed nick (connection %d): \"%s\" -> \"%s\".",
 249                                      Client_Mask( target ), Client_Conn( target ),
 250                                      Client_ID( target ), Req->argv[0] );
 251                         }
 252                         else
 253                         {
 254                                 /* Remote client */
 255                                 Log( LOG_DEBUG,
 256                                      "User \"%s\" changed nick: \"%s\" -> \"%s\".",
 257                                      Client_Mask( target ), Client_ID( target ),
 258                                      Req->argv[0] );
 259                         }
 260
 261                         /* Inform all users and servers (which have to know)
 262                          * of this nickname change */
 263                         if( Client_Type( Client ) == CLIENT_USER )
 264                                 IRC_WriteStrClientPrefix( Client, Client,
 265                                                           "NICK :%s",
 266                                                           Req->argv[0] );
 267                         IRC_WriteStrServersPrefix( Client, target,
 268                                                    "NICK :%s", Req->argv[0] );
 269                         IRC_WriteStrRelatedPrefix( target, target, false,
 270                                                    "NICK :%s", Req->argv[0] );
 271
 272                         /* Register old nickname for WHOWAS queries */
 273                         Client_RegisterWhowas( target );
 274
 275                         /* Save new nickname */
 276                         Client_SetID( target, Req->argv[0] );
 277
 278                         IRC_SetPenalty( target, 2 );
 279                 }
 280
 281                 return CONNECTED;
 282         }
 283         else if( Client_Type( Client ) == CLIENT_SERVER )
 284         {
 285                 /* Server introduces new client */
 286
 287                 /* Falsche Anzahl Parameter? */
 288                 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 289
 290                 /* Nick ueberpruefen */
 291                 c = Client_Search( Req->argv[0] );
 292                 if( c )
 293                 {
 294                         /* Der neue Nick ist auf diesem Server bereits registriert:
 295                          * sowohl der neue, als auch der alte Client muessen nun
 296                          * disconnectiert werden. */
 297                         Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
 298                         Kill_Nick( Req->argv[0], "Nick collision" );
 299                         return CONNECTED;
 300                 }
 301
 302                 /* Server, zu dem der Client connectiert ist, suchen */
 303                 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
 304                 if( ! intr_c )
 305                 {
 306                         Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
 307                         Kill_Nick( Req->argv[0], "Unknown server" );
 308                         return CONNECTED;
 309                 }
 310
 311                 /* Neue Client-Struktur anlegen */
 312                 c = Client_NewRemoteUser( intr_c, Req->argv[0], atoi( Req->argv[1] ), Req->argv[2], Req->argv[3], atoi( Req->argv[4] ), Req->argv[5] + 1, Req->argv[6], true);
 313                 if( ! c )
 314                 {
 315                         /* Eine neue Client-Struktur konnte nicht angelegt werden.
 316                          * Der Client muss disconnectiert werden, damit der Netz-
 317                          * status konsistent bleibt. */
 318                         Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
 319                         Kill_Nick( Req->argv[0], "Server error" );
 320                         return CONNECTED;
 321                 }
 322
 323                 modes = Client_Modes( c );
 324                 if( *modes ) Log( LOG_DEBUG, "User \"%s\" (+%s) registered (via %s, on %s, %d hop%s).", Client_Mask( c ), modes, Client_ID( Client ), Client_ID( intr_c ), Client_Hops( c ), Client_Hops( c ) > 1 ? "s": "" );
 325                 else Log( LOG_DEBUG, "User \"%s\" registered (via %s, on %s, %d hop%s).", Client_Mask( c ), Client_ID( Client ), Client_ID( intr_c ), Client_Hops( c ), Client_Hops( c ) > 1 ? "s": "" );
 326
 327                 /* Andere Server, ausser dem Introducer, informieren */
 328                 IRC_WriteStrServersPrefix( Client, Client, "NICK %s %d %s %s %d %s :%s", Req->argv[0], atoi( Req->argv[1] ) + 1, Req->argv[2], Req->argv[3], Client_MyToken( intr_c ), Req->argv[5], Req->argv[6] );
 329
 330                 return CONNECTED;
 331         }
 332         else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
 333 } /* IRC_NICK */
 334
 335
 336 GLOBAL bool
 337 IRC_USER( CLIENT *Client, REQUEST *Req )
 338 {
 339 #ifdef IDENTAUTH
 340         char *ptr;
 341 #endif
 342
 343         assert( Client != NULL );
 344         assert( Req != NULL );
 345
 346 #ifndef STRICT_RFC
 347         if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
 348 #else
 349         if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
 350 #endif
 351         {
 352                 /* Wrong number of parameters? */
 353                 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 354
 355                 /* User name */
 356 #ifdef IDENTAUTH
 357                 ptr = Client_User( Client );
 358                 if( ! ptr || ! *ptr || *ptr == '~' ) Client_SetUser( Client, Req->argv[0], false );
 359 #else
 360                 Client_SetUser( Client, Req->argv[0], false );
 361 #endif
 362
 363                 /* "Real name" or user info text: Don't set it to the empty string, the original ircd
 364                  * can't deal with such "real names" (e. g. "USER user * * :") ... */
 365                 if( *Req->argv[3] ) Client_SetInfo( Client, Req->argv[3] );
 366                 else Client_SetInfo( Client, "-" );
 367
 368                 Log( LOG_DEBUG, "Connection %d: got valid USER command ...", Client_Conn( Client ));
 369                 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
 370                 else Client_SetType( Client, CLIENT_GOTUSER );
 371                 return CONNECTED;
 372         }
 373         else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
 374         {
 375                 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
 376         }
 377         else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
 378 } /* IRC_USER */
 379
 380
 381 GLOBAL bool
 382 IRC_QUIT( CLIENT *Client, REQUEST *Req )
 383 {
 384         CLIENT *target;
 385         char quitmsg[LINE_LEN];
 386
 387         assert( Client != NULL );
 388         assert( Req != NULL );
 389
 390         /* Wrong number of arguments? */
 391         if( Req->argc > 1 )
 392                 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 393
 394         if (Req->argc == 1)
 395                 strlcpy(quitmsg, Req->argv[0], sizeof quitmsg);
 396
 397         if ( Client_Type( Client ) == CLIENT_SERVER )
 398         {
 399                 /* Server */
 400                 target = Client_Search( Req->prefix );
 401                 if( ! target )
 402                 {
 403                         /* Den Client kennen wir nicht (mehr), also nichts zu tun. */
 404                         Log( LOG_WARNING, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
 405                         return CONNECTED;
 406                 }
 407
 408                 Client_Destroy( target, "Got QUIT command.", Req->argc == 1 ? quitmsg : NULL, true);
 409
 410                 return CONNECTED;
 411         }
 412         else
 413         {
 414                 if (Req->argc == 1 && quitmsg[0] != '\"') {
 415                         /* " " to avoid confusion */
 416                         strlcpy(quitmsg, "\"", sizeof quitmsg);
 417                         strlcat(quitmsg, Req->argv[0], sizeof quitmsg-1);
 418                         strlcat(quitmsg, "\"", sizeof quitmsg );
 419                 }
 420
 421                 /* User, Service, oder noch nicht registriert */
 422                 Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argc == 1 ? quitmsg : NULL, true);
 423
 424                 return DISCONNECTED;
 425         }
 426 } /* IRC_QUIT */
 427
 428
 429 GLOBAL bool
 430 IRC_PING(CLIENT *Client, REQUEST *Req)
 431 {
 432         CLIENT *target, *from;
 433
 434         assert(Client != NULL);
 435         assert(Req != NULL);
 436
 437         /* Wrong number of arguments? */
 438         if (Req->argc < 1)
 439                 return IRC_WriteStrClient(Client, ERR_NOORIGIN_MSG,
 440                                           Client_ID(Client));
 441 #ifdef STRICT_RFC
 442         /* Don't ignore additional arguments when in "strict" mode */
 443         if (Req->argc > 2)
 444                  return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
 445                                            Client_ID(Client), Req->command);
 446 #endif
 447
 448         if (Req->argc > 1) {
 449                 /* A target has been specified ... */
 450                 target = Client_Search(Req->argv[1]);
 451
 452                 if (!target || Client_Type(target) != CLIENT_SERVER)
 453                         return IRC_WriteStrClient(Client, ERR_NOSUCHSERVER_MSG,
 454                                         Client_ID(Client), Req->argv[1]);
 455
 456                 if (target != Client_ThisServer()) {
 457                         /* Ok, we have to forward the PING */
 458                         if (Client_Type(Client) == CLIENT_SERVER)
 459                                 from = Client_Search(Req->prefix);
 460                         else
 461                                 from = Client;
 462                         if (!from)
 463                                 return IRC_WriteStrClient(Client,
 464                                                 ERR_NOSUCHSERVER_MSG,
 465                                                 Client_ID(Client), Req->prefix);
 466
 467                         return IRC_WriteStrClientPrefix(target, from,
 468                                         "PING %s :%s", Req->argv[0],
 469                                         Req->argv[1] );
 470                 }
 471         }
 472
 473         if (Client_Type(Client) == CLIENT_SERVER) {
 474                 if (Req->prefix)
 475                         from = Client_Search(Req->prefix);
 476                 else
 477                         from = Client;
 478         } else
 479                 from = Client_ThisServer();
 480         if (!from)
 481                 return IRC_WriteStrClient(Client, ERR_NOSUCHSERVER_MSG,
 482                                         Client_ID(Client), Req->prefix);
 483
 484         Log(LOG_DEBUG, "Connection %d: got PING, sending PONG ...",
 485             Client_Conn(Client));
 486
 487 #ifdef STRICT_RFC
 488         return IRC_WriteStrClient(Client, "PONG %s :%s",
 489                 Client_ID(from), Client_ID(Client));
 490 #else
 491         /* Some clients depend on the argument being returned in the PONG
 492          * reply (not mentioned in any RFC, though) */
 493         return IRC_WriteStrClient(Client, "PONG %s :%s",
 494                 Client_ID(from), Req->argv[0]);
 495 #endif
 496 } /* IRC_PING */
 497
 498
 499 GLOBAL bool
 500 IRC_PONG(CLIENT *Client, REQUEST *Req)
 501 {
 502         CLIENT *target, *from;
 503         char *s;
 504
 505         assert(Client != NULL);
 506         assert(Req != NULL);
 507
 508         /* Wrong number of arguments? */
 509         if (Req->argc < 1)
 510                 return IRC_WriteStrClient(Client, ERR_NOORIGIN_MSG,
 511                                           Client_ID(Client));
 512         if (Req->argc > 2)
 513                 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
 514                                           Client_ID(Client), Req->command);
 515
 516         /* Forward? */
 517         if (Req->argc == 2 && Client_Type(Client) == CLIENT_SERVER) {
 518                 target = Client_Search(Req->argv[0]);
 519                 if (!target)
 520                         return IRC_WriteStrClient(Client, ERR_NOSUCHSERVER_MSG,
 521                                         Client_ID(Client), Req->argv[0]);
 522
 523                 if (target != Client_ThisServer()) {
 524                         /* Ok, we have to forward the message. */
 525                         from = Client_Search(Req->prefix);
 526                         if (!from)
 527                                 return IRC_WriteStrClient(Client,
 528                                                 ERR_NOSUCHSERVER_MSG,
 529                                                 Client_ID(Client), Req->prefix);
 530
 531                         if (Client_Type(Client_NextHop(target)) != CLIENT_SERVER)
 532                                 s = Client_ID(from);
 533                         else
 534                                 s = Req->argv[0];
 535                         return IRC_WriteStrClientPrefix(target, from,
 536                                  "PONG %s :%s", s, Req->argv[1]);
 537                 }
 538         }
 539
 540         /* The connection timestamp has already been updated when the data has
 541          * been read from so socket, so we don't need to update it here. */
 542
 543         if (Client_Conn(Client) > NONE)
 544                 Log(LOG_DEBUG,
 545                         "Connection %d: received PONG. Lag: %ld seconds.",
 546                         Client_Conn(Client),
 547                         time(NULL) - Conn_LastPing(Client_Conn(Client)));
 548         else
 549                  Log(LOG_DEBUG,
 550                         "Connection %d: received PONG.", Client_Conn(Client));
 551
 552         return CONNECTED;
 553 } /* IRC_PONG */
 554
 555
 556 static bool
 557 Hello_User( CLIENT *Client )
 558 {
 559 #ifdef CVSDATE
 560         char ver[12], vertxt[30];
 561 #endif
 562
 563         assert( Client != NULL );
 564
 565         /* Check password ... */
 566         if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
 567         {
 568                 /* Bad password! */
 569                 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
 570                 Conn_Close( Client_Conn( Client ), NULL, "Bad password", true);
 571                 return DISCONNECTED;
 572         }
 573
 574         Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
 575
 576         /* Inform other servers */
 577         IRC_WriteStrServers( NULL, "NICK %s 1 %s %s 1 +%s :%s", Client_ID( Client ), Client_User( Client ), Client_Hostname( Client ), Client_Modes( Client ), Client_Info( Client ));
 578
 579         /* Welcome :-) */
 580         if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return false;
 581
 582         /* Version and system type */
 583 #ifdef CVSDATE
 584         strlcpy( ver, CVSDATE, sizeof( ver ));
 585         strncpy( ver + 4, ver + 5, 2 );
 586         strncpy( ver + 6, ver + 8, 3 );
 587         snprintf( vertxt, sizeof( vertxt ), "%s(%s)", PACKAGE_VERSION, ver );
 588         if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )), vertxt, TARGET_CPU, TARGET_VENDOR, TARGET_OS )) return false;
 589 #else
 590         if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )), PACKAGE_VERSION, TARGET_CPU, TARGET_VENDOR, TARGET_OS )) return false;
 591 #endif
 592
 593         if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return false;
 594 #ifdef CVSDATE
 595         if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )), vertxt, USERMODES, CHANMODES )) return false;
 596 #else
 597         if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )), PACKAGE_VERSION, USERMODES, CHANMODES )) return false;
 598 #endif
 599
 600         /* Features */
 601         if( ! IRC_WriteStrClient( Client, RPL_ISUPPORT_MSG, Client_ID( Client ), CLIENT_NICK_LEN - 1,
 602                         COMMAND_LEN - 23, CLIENT_AWAY_LEN - 1, Conf_MaxJoins )) return DISCONNECTED;
 603
 604         Client_SetType( Client, CLIENT_USER );
 605
 606         if( ! IRC_Send_LUSERS( Client )) return DISCONNECTED;
 607         if( ! IRC_Show_MOTD( Client )) return DISCONNECTED;
 608
 609         /* Suspend the client for a second ... */
 610         IRC_SetPenalty( Client, 1 );
 611
 612         return CONNECTED;
 613 } /* Hello_User */
 614
 615
 616 static void
 617 Kill_Nick( char *Nick, char *Reason )
 618 {
 619         REQUEST r;
 620
 621         assert( Nick != NULL );
 622         assert( Reason != NULL );
 623
 624         r.prefix = (char *)Client_ThisServer( );
 625         r.argv[0] = Nick;
 626         r.argv[1] = Reason;
 627         r.argc = 2;
 628
 629         Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected: %s", Nick, Reason );
 630         IRC_KILL( Client_ThisServer( ), &r );
 631 } /* Kill_Nick */
 632
 633
 634 /* -eof- */