src/ngircd/irc-mode.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  * IRC commands for mode changes (MODE, AWAY, ...)
  12  */
  13
  14
  15 #include "portab.h"
  16
  17 static char UNUSED id[] = "$Id: irc-mode.c,v 1.17 2002/12/12 12:24:18 alex Exp $";
  18
  19 #include "imp.h"
  20 #include <assert.h>
  21 #include <string.h>
  22
  23 #include "conn.h"
  24 #include "client.h"
  25 #include "channel.h"
  26 #include "defines.h"
  27 #include "irc-write.h"
  28 #include "lists.h"
  29 #include "log.h"
  30 #include "parse.h"
  31 #include "messages.h"
  32 #include "resolve.h"
  33 #include "conf.h"
  34
  35 #include "exp.h"
  36 #include "irc-mode.h"
  37
  38
  39 LOCAL BOOLEAN Add_Invite PARAMS(( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern ));
  40 LOCAL BOOLEAN Add_Ban PARAMS(( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern ));
  41
  42 LOCAL BOOLEAN Del_Invite PARAMS(( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern ));
  43 LOCAL BOOLEAN Del_Ban PARAMS(( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern ));
  44
  45 LOCAL BOOLEAN Send_ListChange PARAMS(( CHAR *Mode, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Mask ));
  46
  47
  48 GLOBAL BOOLEAN
  49 IRC_MODE( CLIENT *Client, REQUEST *Req )
  50 {
  51         CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
  52         CLIENT *cl, *chan_cl, *prefix;
  53         BOOLEAN set, ok, modeok;
  54         CHANNEL *chan;
  55
  56         assert( Client != NULL );
  57         assert( Req != NULL );
  58
  59         cl = chan_cl = prefix = NULL;
  60         chan = NULL;
  61
  62         /* Keine Parameter? */
  63         if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
  64
  65         /* Ziel suchen: Client bzw. Channel */
  66         if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
  67         if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
  68
  69         /* Kein Ziel gefunden? */
  70         if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
  71
  72         assert(( cl && chan ) != TRUE );
  73
  74         /* Falsche Anzahl Parameter? */
  75         if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
  76         if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
  77
  78         /* Prefix fuer Antworten etc. ermitteln */
  79         if( Client_Type( Client ) == CLIENT_SERVER )
  80         {
  81                 prefix = Client_Search( Req->prefix );
  82                 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
  83         }
  84         else prefix = Client;
  85
  86         if(( chan ) && (( Req->argc == 2 ) || ( Req->argc == 3 )))
  87         {
  88                 /* pruefen, ob "Listen-Operation": Invite, Ban */
  89                 if(( Req->argv[1][0] == '-'  ) || ( Req->argv[1][0] == '+' )) mode_ptr = &Req->argv[1][1];
  90                 else mode_ptr = &Req->argv[1][0];
  91
  92                 if( Req->argc == 2 )
  93                 {
  94                         /* Liste anzeigen */
  95                         if( *mode_ptr == 'I' ) return Lists_ShowInvites( prefix, chan );
  96                         if( *mode_ptr == 'b' ) return Lists_ShowBans( prefix, chan );
  97                 }
  98                 else
  99                 {
 100                         /* Listen veraendern */
 101
 102                         if( Client_Type( Client ) == CLIENT_USER )
 103                         {
 104                                 /* Ist der User Channel-Operator? */
 105                                 modeok = FALSE;
 106                                 if( strchr( Channel_UserModes( chan, Client ), 'o' )) modeok = TRUE;
 107                                 if( Conf_OperCanMode )
 108                                 {
 109                                         /* auch IRC-Operatoren duerfen MODE verwenden */
 110                                         if( Client_OperByMe( Client )) modeok = TRUE;
 111                                 }
 112
 113                                 if( ! modeok )
 114                                 {
 115                                         Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan ));
 116                                         return IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan ));
 117                                 }
 118                         }
 119
 120                         if( Req->argv[1][0] == '+' )
 121                         {
 122                                 /* Listen-Eintrag hinzufuegen */
 123                                 if( *mode_ptr == 'I' ) return Add_Invite( prefix, Client, chan, Req->argv[2] );
 124                                 if( *mode_ptr == 'b' ) return Add_Ban( prefix, Client, chan, Req->argv[2] );
 125                         }
 126                         else if( Req->argv[1][0] == '-' )
 127                         {
 128                                 /* Listen-Eintrag loeschen */
 129                                 if( *mode_ptr == 'I' ) return Del_Invite( prefix, Client, chan, Req->argv[2] );
 130                                 if( *mode_ptr == 'b' ) return Del_Ban( prefix, Client, chan, Req->argv[2] );
 131                         }
 132                 }
 133         }
 134
 135         /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
 136         if(( chan ) && (Req->argc == 3 ))
 137         {
 138                 chan_cl = Client_Search( Req->argv[2] );
 139                 if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
 140         }
 141
 142         /* Wenn Anfragender ein User ist: Zugriff erlaubt? */
 143         if( Client_Type( Client ) == CLIENT_USER )
 144         {
 145                 if( cl )
 146                 {
 147                         /* MODE ist nur fuer sich selber zulaessig! */
 148                         if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
 149                 }
 150                 if( chan )
 151                 {
 152                         /* Darf der User die Channel-Modes ermitteln? */
 153                 }
 154         }
 155
 156         /* Werden die Modes "nur" erfragt? */
 157         if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
 158         if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
 159
 160         mode_ptr = Req->argv[1];
 161
 162         /* Sollen Modes gesetzt oder geloescht werden? */
 163         if( cl )
 164         {
 165                 if( *mode_ptr == '+' ) set = TRUE;
 166                 else if( *mode_ptr == '-' ) set = FALSE;
 167                 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
 168                 mode_ptr++;
 169         }
 170         else
 171         {
 172                 if( *mode_ptr == '-' ) set = FALSE;
 173                 else set = TRUE;
 174                 if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
 175         }
 176
 177         /* Reply-String mit Aenderungen vorbereiten */
 178         if( set ) strcpy( the_modes, "+" );
 179         else strcpy( the_modes, "-" );
 180
 181         ok = TRUE;
 182         x[1] = '\0';
 183         while( *mode_ptr )
 184         {
 185                 x[0] = '\0';
 186                 if( Client_Type( Client ) == CLIENT_SERVER )
 187                 {
 188                         /* Befehl kommt von einem Server, daher
 189                          * trauen wir ihm "unbesehen" ... */
 190                         x[0] = *mode_ptr;
 191                 }
 192                 else
 193                 {
 194                         /* Modes validieren */
 195                         if( cl )
 196                         {
 197                                 /* User-Modes */
 198                                 switch( *mode_ptr )
 199                                 {
 200                                         case 'i':
 201                                                 /* invisible */
 202                                                 x[0] = 'i';
 203                                                 break;
 204                                         case 'o':
 205                                                 /* operator (kann nur geloescht werden) */
 206                                                 if( ! set )
 207                                                 {
 208                                                         Client_SetOperByMe( Client, FALSE );
 209                                                         x[0] = 'o';
 210                                                 }
 211                                                 else ok = IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
 212                                                 break;
 213                                         case 'r':
 214                                                 /* restricted (kann nur gesetzt werden) */
 215                                                 if( set ) x[0] = 'r';
 216                                                 else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
 217                                                 break;
 218                                         case 's':
 219                                                 /* server messages */
 220                                                 x[0] = 's';
 221                                                 break;
 222                                         default:
 223                                                 Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ));
 224                                                 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
 225                                                 x[0] = '\0';
 226                                 }
 227                         }
 228                         if( chan )
 229                         {
 230                                 /* Ist der User ein Channel Operator? */
 231                                 modeok = FALSE;
 232                                 if( strchr( Channel_UserModes( chan, Client ), 'o' )) modeok = TRUE;
 233                                 if( Conf_OperCanMode )
 234                                 {
 235                                         /* auch IRC-Operatoren duerfen MODE verwenden */
 236                                         if( Client_OperByMe( Client )) modeok = TRUE;
 237                                 }
 238
 239                                 if( ! modeok )
 240                                 {
 241                                         Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan ));
 242                                         ok = IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan ));
 243                                         break;
 244                                 }
 245
 246                                 /* Channel-Modes oder Channel-User-Modes */
 247                                 if( chan_cl )
 248                                 {
 249                                         /* Channel-User-Modes */
 250                                         switch( *mode_ptr )
 251                                         {
 252                                                 case 'o':
 253                                                         /* Channel Operator */
 254                                                         x[0] = 'o';
 255                                                         break;
 256                                                 case 'v':
 257                                                         /* Voice */
 258                                                         x[0] = 'v';
 259                                                         break;
 260                                                 default:
 261                                                         Log( LOG_DEBUG, "Unknown channel-user-mode \"%c%c\" from \"%s\" on \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Client_ID( chan_cl ), Channel_Name( chan ));
 262                                                         ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
 263                                                         x[0] = '\0';
 264                                         }
 265                                 }
 266                                 else
 267                                 {
 268                                         /* Channel-Modes */
 269                                         switch( *mode_ptr )
 270                                         {
 271                                                 case 'i':
 272                                                         /* Invite-Only */
 273                                                         x[0] = 'i';
 274                                                         break;
 275                                                 case 'm':
 276                                                         /* Moderated */
 277                                                         x[0] = 'm';
 278                                                         break;
 279                                                 case 'n':
 280                                                         /* kein Schreiben in den Channel von aussen */
 281                                                         x[0] = 'n';
 282                                                         break;
 283                                                 case 't':
 284                                                         /* Topic Lock */
 285                                                         x[0] = 't';
 286                                                         break;
 287                                                 case 'P':
 288                                                         /* Persistent. Dieses Flag darf nur von IRC-Operatoren gesetzt werden! */
 289                                                         if( set && ( ! Client_OperByMe( Client )))
 290                                                         {
 291                                                                 ok = IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
 292                                                         }
 293                                                         else x[0] = 'P';
 294                                                         break;
 295                                                 default:
 296                                                         Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan ));
 297                                                         ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
 298                                                         x[0] = '\0';
 299                                         }
 300                                 }
 301                         }
 302                 }
 303                 if( ! ok ) break;
 304
 305                 mode_ptr++;
 306                 if( ! x[0] ) continue;
 307
 308                 /* Okay, gueltigen Mode gefunden */
 309                 if( cl )
 310                 {
 311                         /* Es geht um User-Modes */
 312                         if( set )
 313                         {
 314                                 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
 315                                 if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
 316
 317                         }
 318                         else
 319                         {
 320                                 /* Modes geloescht. Wenn der Client ihn hatte: merken */
 321                                 if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
 322                         }
 323
 324                         /* "nachbearbeiten" */
 325                         if( x[0] == 'a' )
 326                         {
 327                                 /* away */
 328                                 if( set ) Client_SetAway( cl, DEFAULT_AWAY_MSG );
 329                                 else Client_SetAway( cl, NULL );
 330                         }
 331                 }
 332                 if( chan )
 333                 {
 334                         /* Es geht um Channel-Modes oder Channel-User-Modes */
 335                         if( chan_cl )
 336                         {
 337                                 /* Channel-User-Modes */
 338                                 if( set )
 339                                 {
 340                                         /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
 341                                         if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
 342                                 }
 343                                 else
 344                                 {
 345                                         /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
 346                                         if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
 347                                 }
 348                         }
 349                         else
 350                         {
 351                                 /* Channel-Mode */
 352                                 if( set )
 353                                 {
 354                                         /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
 355                                         if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
 356                                 }
 357                                 else
 358                                 {
 359                                         /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
 360                                         if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
 361                                 }
 362                         }
 363                 }
 364         }
 365
 366         /* Wurden Modes geaendert? */
 367         if( the_modes[1] )
 368         {
 369                 if( cl )
 370                 {
 371                         /* Client-Mode */
 372                         if( Client_Type( Client ) == CLIENT_SERVER )
 373                         {
 374                                 /* Modes an andere Server forwarden */
 375                                 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
 376                         }
 377                         else
 378                         {
 379                                 /* Bestaetigung an Client schicken & andere Server informieren */
 380                                 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Client_ID( cl ), the_modes );
 381                                 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
 382                         }
 383                         Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
 384                 }
 385                 if( chan )
 386                 {
 387                         /* Channel-Modes oder Channel-User-Mode */
 388                         if( chan_cl )
 389                         {
 390                                 /* Channel-User-Mode */
 391                                 if( Client_Type( Client ) == CLIENT_SERVER )
 392                                 {
 393                                         /* Modes an andere Server und Channel-User forwarden */
 394                                         IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
 395                                         IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
 396                                 }
 397                                 else
 398                                 {
 399                                         /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
 400                                         ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
 401                                         IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
 402                                         IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
 403                                 }
 404                                 Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
 405                         }
 406                         else
 407                         {
 408                                 /* Channel-Mode */
 409                                 if( Client_Type( Client ) == CLIENT_SERVER )
 410                                 {
 411                                         /* Modes an andere Server und Channel-User forwarden */
 412                                         IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
 413                                         IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
 414                                 }
 415                                 else
 416                                 {
 417                                         /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
 418                                         ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Channel_Name( chan ), the_modes );
 419                                         IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
 420                                         IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
 421                                 }
 422                                 Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
 423                         }
 424                 }
 425         }
 426
 427         return ok;
 428 } /* IRC_MODE */
 429
 430
 431 GLOBAL BOOLEAN
 432 IRC_AWAY( CLIENT *Client, REQUEST *Req )
 433 {
 434         assert( Client != NULL );
 435         assert( Req != NULL );
 436
 437         /* Falsche Anzahl Parameter? */
 438         if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 439
 440         if(( Req->argc == 1 ) && (Req->argv[0][0] ))
 441         {
 442                 /* AWAY setzen */
 443                 Client_SetAway( Client, Req->argv[0] );
 444                 IRC_WriteStrServersPrefix( Client, Client, "MODE %s :+a", Client_ID( Client ));
 445                 return IRC_WriteStrClient( Client, RPL_NOWAWAY_MSG, Client_ID( Client ));
 446         }
 447         else
 448         {
 449                 /* AWAY loeschen */
 450                 Client_SetAway( Client, NULL );
 451                 IRC_WriteStrServersPrefix( Client, Client, "MODE %s :-a", Client_ID( Client ));
 452                 return IRC_WriteStrClient( Client, RPL_UNAWAY_MSG, Client_ID( Client ));
 453         }
 454 } /* IRC_AWAY */
 455
 456
 457 LOCAL BOOLEAN
 458 Add_Invite( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern )
 459 {
 460         CHAR *mask;
 461
 462         assert( Client != NULL );
 463         assert( Channel != NULL );
 464         assert( Pattern != NULL );
 465
 466         mask = Lists_MakeMask( Pattern );
 467
 468         if( ! Lists_AddInvited( Prefix, mask, Channel, FALSE )) return CONNECTED;
 469         return Send_ListChange( "+I", Prefix, Client, Channel, mask );
 470 } /* Add_Invite */
 471
 472
 473 LOCAL BOOLEAN
 474 Add_Ban( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern )
 475 {
 476         CHAR *mask;
 477
 478         assert( Client != NULL );
 479         assert( Channel != NULL );
 480         assert( Pattern != NULL );
 481
 482         mask = Lists_MakeMask( Pattern );
 483
 484         if( ! Lists_AddBanned( Prefix, mask, Channel )) return CONNECTED;
 485         return Send_ListChange( "+b", Prefix, Client, Channel, mask );
 486 } /* Add_Ban */
 487
 488
 489 LOCAL BOOLEAN
 490 Del_Invite( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern )
 491 {
 492         CHAR *mask;
 493
 494         assert( Client != NULL );
 495         assert( Channel != NULL );
 496         assert( Pattern != NULL );
 497
 498         mask = Lists_MakeMask( Pattern );
 499         Lists_DelInvited( mask, Channel );
 500         return Send_ListChange( "-I", Prefix, Client, Channel, mask );
 501 } /* Del_Invite */
 502
 503
 504 LOCAL BOOLEAN
 505 Del_Ban( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern )
 506 {
 507         CHAR *mask;
 508
 509         assert( Client != NULL );
 510         assert( Channel != NULL );
 511         assert( Pattern != NULL );
 512
 513         mask = Lists_MakeMask( Pattern );
 514         Lists_DelBanned( mask, Channel );
 515         return Send_ListChange( "-b", Prefix, Client, Channel, mask );
 516 } /* Del_Ban */
 517
 518
 519 LOCAL BOOLEAN
 520 Send_ListChange( CHAR *Mode, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Mask )
 521 {
 522         /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
 523
 524         BOOLEAN ok;
 525
 526         if( Client_Type( Client ) == CLIENT_USER )
 527         {
 528                 /* Bestaetigung an Client */
 529                 ok = IRC_WriteStrClientPrefix( Client, Prefix, "MODE %s %s %s", Channel_Name( Channel ), Mode, Mask );
 530         }
 531         else ok = TRUE;
 532
 533         /* an andere Server */
 534         IRC_WriteStrServersPrefix( Client, Prefix, "MODE %s %s %s", Channel_Name( Channel ), Mode, Mask );
 535
 536         /* und lokale User im Channel */
 537         IRC_WriteStrChannelPrefix( Client, Channel, Prefix, FALSE, "MODE %s %s %s", Channel_Name( Channel ), Mode, Mask );
 538
 539         return ok;
 540 } /* Send_ListChange */
 541
 542
 543 /* -eof- */