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 1.23 2002/12/16 23:06:46 alex Exp $";
  18
  19 #include "imp.h"
  20 #include <assert.h>
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <string.h>
  24
  25 #include "conn.h"
  26 #include "client.h"
  27 #include "channel.h"
  28 #include "defines.h"
  29 #include "irc-write.h"
  30 #include "lists.h"
  31 #include "log.h"
  32 #include "parse.h"
  33 #include "messages.h"
  34 #include "resolve.h"
  35 #include "conf.h"
  36
  37 #include "exp.h"
  38 #include "irc-mode.h"
  39
  40
  41 LOCAL BOOLEAN Client_Mode PARAMS(( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CLIENT *Target ));
  42 LOCAL BOOLEAN Channel_Mode PARAMS(( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CHANNEL *Channel ));
  43
  44 LOCAL BOOLEAN Add_Invite PARAMS(( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern ));
  45 LOCAL BOOLEAN Add_Ban PARAMS(( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern ));
  46
  47 LOCAL BOOLEAN Del_Invite PARAMS(( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern ));
  48 LOCAL BOOLEAN Del_Ban PARAMS(( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern ));
  49
  50 LOCAL BOOLEAN Send_ListChange PARAMS(( CHAR *Mode, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Mask ));
  51
  52
  53 GLOBAL BOOLEAN
  54 IRC_MODE( CLIENT *Client, REQUEST *Req )
  55 {
  56         CLIENT *cl, *origin;
  57         CHANNEL *chan;
  58
  59         assert( Client != NULL );
  60         assert( Req != NULL );
  61
  62         /* No parameters? */
  63         if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
  64
  65         /* Origin for answers */
  66         if( Client_Type( Client ) == CLIENT_SERVER )
  67         {
  68                 origin = Client_Search( Req->prefix );
  69                 if( ! origin ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
  70         }
  71         else origin = Client;
  72
  73         /* Channel or user mode? */
  74         cl = chan = NULL;
  75         if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
  76         if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
  77
  78         if( cl ) return Client_Mode( Client, Req, origin, cl );
  79         if( chan ) return Channel_Mode( Client, Req, origin, chan );
  80
  81         /* No target found! */
  82         return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
  83 } /* IRC_MODE */
  84
  85
  86 LOCAL BOOLEAN
  87 Client_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CLIENT *Target )
  88 {
  89         /* Handle client mode requests */
  90
  91         CHAR the_modes[COMMAND_LEN], x[2], *mode_ptr;
  92         BOOLEAN ok, set;
  93         INT mode_arg;
  94
  95         /* Is the client allowed to request or change the modes? */
  96         if( Client_Type( Client ) == CLIENT_USER )
  97         {
  98                 /* Users are only allowed to manipulate their own modes! */
  99                 if( Target != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
 100         }
 101
 102         /* Mode request: let's answer it :-) */
 103         if( Req->argc == 1 ) return IRC_WriteStrClient( Origin, RPL_UMODEIS_MSG, Client_ID( Origin ), Client_Modes( Target ));
 104
 105         mode_arg = 1;
 106         mode_ptr = Req->argv[mode_arg];
 107
 108         /* Initial state: set or unset modes? */
 109         if( *mode_ptr == '+' ) set = TRUE;
 110         else if( *mode_ptr == '-' ) set = FALSE;
 111         else return IRC_WriteStrClient( Origin, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Origin ));
 112
 113         /* Prepare reply string */
 114         if( set ) strcpy( the_modes, "+" );
 115         else strcpy( the_modes, "-" );
 116
 117         x[1] = '\0';
 118         ok = CONNECTED;
 119         while( mode_ptr )
 120         {
 121                 mode_ptr++;
 122                 if( ! *mode_ptr )
 123                 {
 124                         /* Try next argument if there's any */
 125                         mode_arg++;
 126                         if( mode_arg < Req->argc ) mode_ptr = Req->argv[mode_arg];
 127                         else break;
 128                 }
 129
 130                 switch( *mode_ptr )
 131                 {
 132                         case '+':
 133                         case '-':
 134                                 if((( *mode_ptr == '+' ) && ( ! set )) || (( *mode_ptr == '-' ) && ( set )))
 135                                 {
 136                                         /* Action modifier ("+"/"-") must be changed ... */
 137                                         if(( the_modes[strlen( the_modes ) - 1] == '+' ) || ( the_modes[strlen( the_modes ) - 1] == '-' ))
 138                                         {
 139                                                 /* Adjust last action modifier in result */
 140                                                 the_modes[strlen( the_modes ) - 1] = *mode_ptr;
 141                                         }
 142                                         else
 143                                         {
 144                                                 /* Append modifier character to result string */
 145                                                 x[0] = *mode_ptr; strcat( the_modes, x );
 146                                         }
 147                                         if( *mode_ptr == '+' ) set = TRUE;
 148                                         else set = FALSE;
 149                                 }
 150                                 continue;
 151                 }
 152
 153                 /* Validate modes */
 154                 x[0] = '\0';
 155                 switch( *mode_ptr )
 156                 {
 157                         case 'i':
 158                                 /* Invisible */
 159                                 x[0] = 'i';
 160                                 break;
 161                         case 'o':
 162                                 /* IRC operator (only unsetable!) */
 163                                 if( ! set )
 164                                 {
 165                                         Client_SetOperByMe( Target, FALSE );
 166                                         x[0] = 'o';
 167                                 }
 168                                 else ok = IRC_WriteStrClient( Origin, ERR_NOPRIVILEGES_MSG, Client_ID( Origin ));
 169                                 break;
 170                         case 'r':
 171                                 /* Restricted (only setable) */
 172                                 if( set ) x[0] = 'r';
 173                                 else ok = IRC_WriteStrClient( Origin, ERR_RESTRICTED_MSG, Client_ID( Origin ));
 174                                 break;
 175                         case 's':
 176                                 /* Server messages */
 177                                 x[0] = 's';
 178                                 break;
 179                         default:
 180                                 Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Origin ));
 181                                 if( Client_Type( Client ) != CLIENT_SERVER ) ok = IRC_WriteStrClient( Origin, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Origin ), set ? '+' : '-', *mode_ptr );
 182                                 x[0] = '\0';
 183                                 goto client_exit;
 184                 }
 185                 if( ! ok ) break;
 186
 187                 /* Is there a valid mode change? */
 188                 if( ! x[0] ) continue;
 189
 190                 if( set )
 191                 {
 192                         /* Set mode */
 193                         if( Client_ModeAdd( Target, x[0] )) strcat( the_modes, x );
 194
 195                 }
 196                 else
 197                 {
 198                         /* Unset mode */
 199                         if( Client_ModeDel( Target, x[0] )) strcat( the_modes, x );
 200                 }
 201         }
 202 client_exit:
 203
 204         /* Are there changed modes? */
 205         if( the_modes[1] )
 206         {
 207                 /* Remoce needless action modifier characters */
 208                 if(( the_modes[strlen( the_modes ) - 1] == '+' ) || ( the_modes[strlen( the_modes ) - 1] == '-' )) the_modes[strlen( the_modes ) - 1] = '\0';
 209
 210                 if( Client_Type( Client ) == CLIENT_SERVER )
 211                 {
 212                         /* Forward modes to other servers */
 213                         IRC_WriteStrServersPrefix( Client, Origin, "MODE %s :%s", Client_ID( Target ), the_modes );
 214                 }
 215                 else
 216                 {
 217                         /* Send reply to client and inform other servers */
 218                         ok = IRC_WriteStrClientPrefix( Client, Origin, "MODE %s %s", Client_ID( Target ), the_modes );
 219                         IRC_WriteStrServersPrefix( Client, Origin, "MODE %s :%s", Client_ID( Target ), the_modes );
 220                 }
 221                 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( Target ), Client_Modes( Target ));
 222         }
 223
 224         return ok;
 225 } /* Client_Mode */
 226
 227
 228 LOCAL BOOLEAN
 229 Channel_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CHANNEL *Channel )
 230 {
 231         /* Handle channel and channel-user modes */
 232
 233         CHAR the_modes[COMMAND_LEN], the_args[COMMAND_LEN], x[2], argadd[CLIENT_PASS_LEN], *mode_ptr;
 234         BOOLEAN ok, set, modeok, skiponce;
 235         INT mode_arg, arg_arg;
 236         CLIENT *client;
 237         LONG l;
 238
 239         /* Mode request: let's answer it :-) */
 240         if( Req->argc == 1 ) return IRC_WriteStrClient( Origin, RPL_CHANNELMODEIS_MSG, Client_ID( Origin ), Channel_Name( Channel ), Channel_Modes( Channel ));
 241
 242         /* Is the user allowed to change modes? */
 243         if( Client_Type( Client ) == CLIENT_USER )
 244         {
 245                 if( strchr( Channel_UserModes( Channel, Origin ), 'o' )) modeok = TRUE;
 246                 else modeok = FALSE;
 247                 if( Conf_OperCanMode )
 248                 {
 249                         /* auch IRC-Operatoren duerfen MODE verwenden */
 250                         if( Client_OperByMe( Origin )) modeok = TRUE;
 251                 }
 252         }
 253         else modeok = TRUE;
 254
 255         mode_arg = 1;
 256         mode_ptr = Req->argv[mode_arg];
 257         if( Req->argc > mode_arg + 1 ) arg_arg = mode_arg + 1;
 258         else arg_arg = -1;
 259
 260         /* Initial state: set or unset modes? */
 261         skiponce = FALSE;
 262         if( *mode_ptr == '-' ) set = FALSE;
 263         else if( *mode_ptr == '+' ) set = TRUE;
 264         else set = skiponce = TRUE;
 265
 266         /* Prepare reply string */
 267         if( set ) strcpy( the_modes, "+" );
 268         else strcpy( the_modes, "-" );
 269         strcpy( the_args, " " );
 270
 271         x[1] = '\0';
 272         ok = CONNECTED;
 273         while( mode_ptr )
 274         {
 275                 if( ! skiponce ) mode_ptr++;
 276                 if( ! *mode_ptr )
 277                 {
 278                         /* Try next argument if there's any */
 279                         if( arg_arg > mode_arg ) mode_arg = arg_arg;
 280                         else mode_arg++;
 281                         if( mode_arg < Req->argc ) mode_ptr = Req->argv[mode_arg];
 282                         else break;
 283                         if( Req->argc > mode_arg + 1 ) arg_arg = mode_arg + 1;
 284                         else arg_arg = -1;
 285                 }
 286                 skiponce = FALSE;
 287
 288                 switch( *mode_ptr )
 289                 {
 290                         case '+':
 291                         case '-':
 292                                 if((( *mode_ptr == '+' ) && ( ! set )) || (( *mode_ptr == '-' ) && ( set )))
 293                                 {
 294                                         /* Action modifier ("+"/"-") must be changed ... */
 295                                         if(( the_modes[strlen( the_modes ) - 1] == '+' ) || ( the_modes[strlen( the_modes ) - 1] == '-' ))
 296                                         {
 297                                                 /* Adjust last action modifier in result */
 298                                                 the_modes[strlen( the_modes ) - 1] = *mode_ptr;
 299                                         }
 300                                         else
 301                                         {
 302                                                 /* Append modifier character to result string */
 303                                                 x[0] = *mode_ptr; strcat( the_modes, x );
 304                                         }
 305                                         if( *mode_ptr == '+' ) set = TRUE;
 306                                         else set = FALSE;
 307                                 }
 308                                 continue;
 309                 }
 310
 311                 /* Are there arguments left? */
 312                 if( arg_arg >= Req->argc ) arg_arg = -1;
 313
 314                 /* Validate modes */
 315                 x[0] = '\0';
 316                 argadd[0] = '\0';
 317                 client = NULL;
 318                 switch( *mode_ptr )
 319                 {
 320                         /* Channel modes */
 321                         case 'i':
 322                                 /* Invite-Only */
 323                                 if( modeok ) x[0] = 'i';
 324                                 else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
 325                                 break;
 326                         case 'm':
 327                                 /* Moderated */
 328                                 if( modeok ) x[0] = 'm';
 329                                 else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
 330                                 break;
 331                         case 'n':
 332                                 /* kein Schreiben in den Channel von aussen */
 333                                 if( modeok ) x[0] = 'n';
 334                                 else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
 335                                 break;
 336                         case 't':
 337                                 /* Topic Lock */
 338                                 if( modeok ) x[0] = 't';
 339                                 else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
 340                                 break;
 341                         case 'P':
 342                                 /* Persistent channel */
 343                                 if( modeok )
 344                                 {
 345                                         if( set && ( ! Client_OperByMe( Client )))
 346                                         {
 347                                                 /* Only IRC operators are allowed to set P mode */
 348                                                 ok = IRC_WriteStrClient( Origin, ERR_NOPRIVILEGES_MSG, Client_ID( Origin ));
 349                                         }
 350                                         else x[0] = 'P';
 351                                 }
 352                                 else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
 353                                 break;
 354
 355                         /* Channel user modes */
 356                         case 'o':
 357                                 /* Channel operator */
 358                         case 'v':
 359                                 /* Voice */
 360                                 if( arg_arg > mode_arg )
 361                                 {
 362                                         if( modeok )
 363                                         {
 364                                                 client = Client_Search( Req->argv[arg_arg] );
 365                                                 if( client ) x[0] = *mode_ptr;
 366                                                 else ok = IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[arg_arg] );
 367                                         }
 368                                         else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
 369                                         Req->argv[arg_arg][0] = '\0';
 370                                         arg_arg++;
 371                                 }
 372                                 else ok = IRC_WriteStrClient( Origin, ERR_NEEDMOREPARAMS_MSG, Client_ID( Origin ), Req->command );
 373                                 break;
 374                         case 'k':
 375                                 /* Channel key */
 376                                 if( ! set )
 377                                 {
 378                                         if( modeok ) x[0] = *mode_ptr;
 379                                         else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
 380                                         break;
 381                                 }
 382                                 if( arg_arg > mode_arg )
 383                                 {
 384                                         if( modeok )
 385                                         {
 386                                                 Channel_ModeDel( Channel, 'k' );
 387                                                 Channel_SetKey( Channel, Req->argv[arg_arg] );
 388                                                 strcpy( argadd, Channel_Key( Channel ));
 389                                                 x[0] = *mode_ptr;
 390                                         }
 391                                         else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
 392                                         Req->argv[arg_arg][0] = '\0';
 393                                         arg_arg++;
 394                                 }
 395                                 else ok = IRC_WriteStrClient( Origin, ERR_NEEDMOREPARAMS_MSG, Client_ID( Origin ), Req->command );
 396                                 break;
 397                         case 'l':
 398                                 /* Member limit */
 399                                 if( ! set )
 400                                 {
 401                                         if( modeok ) x[0] = *mode_ptr;
 402                                         else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
 403                                         break;
 404                                 }
 405                                 if( arg_arg > mode_arg )
 406                                 {
 407                                         if( modeok )
 408                                         {
 409                                                 l = atol( Req->argv[arg_arg] );
 410                                                 if( l > 0 && l < 0xFFFF )
 411                                                 {
 412                                                         Channel_ModeDel( Channel, 'l' );
 413                                                         Channel_SetMaxUsers( Channel, l );
 414                                                         sprintf( argadd, "%ld", l );
 415                                                         x[0] = *mode_ptr;
 416                                                 }
 417                                         }
 418                                         else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
 419                                         Req->argv[arg_arg][0] = '\0';
 420                                         arg_arg++;
 421                                 }
 422                                 else ok = IRC_WriteStrClient( Origin, ERR_NEEDMOREPARAMS_MSG, Client_ID( Origin ), Req->command );
 423                                 break;
 424
 425                         /* Channel lists */
 426                         case 'I':
 427                                 /* Invite lists */
 428                                 if( arg_arg > mode_arg )
 429                                 {
 430                                         /* modify list */
 431                                         if( modeok )
 432                                         {
 433                                                 if( set ) Add_Invite( Origin, Client, Channel, Req->argv[arg_arg] );
 434                                                 else Del_Invite( Origin, Client, Channel, Req->argv[arg_arg] );
 435                                         }
 436                                         else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
 437                                         Req->argv[arg_arg][0] = '\0';
 438                                         arg_arg++;
 439                                 }
 440                                 else Lists_ShowInvites( Origin, Channel );
 441                                 break;
 442                         case 'b':
 443                                 /* Ban lists */
 444                                 if( arg_arg > mode_arg )
 445                                 {
 446                                         /* modify list */
 447                                         if( modeok )
 448                                         {
 449                                                 if( set ) Add_Ban( Origin, Client, Channel, Req->argv[arg_arg] );
 450                                                 else Del_Ban( Origin, Client, Channel, Req->argv[arg_arg] );
 451                                         }
 452                                         else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
 453                                         Req->argv[arg_arg][0] = '\0';
 454                                         arg_arg++;
 455                                 }
 456                                 else Lists_ShowBans( Origin, Channel );
 457                                 break;
 458
 459                         default:
 460                                 Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\" on %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Origin ), Channel_Name( Channel ));
 461                                 if( Client_Type( Client ) != CLIENT_SERVER ) ok = IRC_WriteStrClient( Origin, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Origin ), set ? '+' : '-', *mode_ptr );
 462                                 x[0] = '\0';
 463                                 goto chan_exit;
 464                 }
 465                 if( ! ok ) break;
 466
 467                 /* Is there a valid mode change? */
 468                 if( ! x[0] ) continue;
 469
 470                 if( set )
 471                 {
 472                         /* Set mode */
 473                         if( client )
 474                         {
 475                                 /* Channel-User-Mode */
 476                                 if( Channel_UserModeAdd( Channel, client, x[0] ))
 477                                 {
 478                                         strcat( the_args, Client_ID( client ));
 479                                         strcat( the_args, " " ); strcat( the_modes, x );
 480                                         Log( LOG_DEBUG, "User \"%s\": Mode change on %s, now \"%s\"", Client_Mask( client ), Channel_Name( Channel ), Channel_UserModes( Channel, client ));
 481                                 }
 482                         }
 483                         else
 484                         {
 485                                 /* Channel-Mode */
 486                                 if( Channel_ModeAdd( Channel, x[0] ))
 487                                 {
 488                                         strcat( the_modes, x );
 489                                         Log( LOG_DEBUG, "Channel %s: Mode change, now \"%s\".", Channel_Name( Channel ), Channel_Modes( Channel ));
 490                                 }
 491                         }
 492                 }
 493                 else
 494                 {
 495                         /* Unset mode */
 496                         if( client )
 497                         {
 498                                 /* Channel-User-Mode */
 499                                 if( Channel_UserModeDel( Channel, client, x[0] ))
 500                                 {
 501                                         strcat( the_args, Client_ID( client ));
 502                                         strcat( the_args, " " ); strcat( the_modes, x );
 503                                         Log( LOG_DEBUG, "User \"%s\": Mode change on %s, now \"%s\"", Client_Mask( client ), Channel_Name( Channel ), Channel_UserModes( Channel, client ));
 504                                 }
 505                         }
 506                         else
 507                         {
 508                                 /* Channel-Mode */
 509                                 if( Channel_ModeDel( Channel, x[0] ))
 510                                 {
 511                                         strcat( the_modes, x );
 512                                         Log( LOG_DEBUG, "Channel %s: Mode change, now \"%s\".", Channel_Name( Channel ), Channel_Modes( Channel ));
 513                                 }
 514                         }
 515                 }
 516
 517                 /* Are there additional arguments to add? */
 518                 if( argadd[0] )
 519                 {
 520                         if( the_args[strlen( the_args ) - 1] != ' ' ) strcat( the_args, " " );
 521                         strcat( the_args, argadd );
 522                 }
 523         }
 524 chan_exit:
 525
 526         /* Are there changed modes? */
 527         if( the_modes[1] )
 528         {
 529                 /* Clean up mode string */
 530                 if(( the_modes[strlen( the_modes ) - 1] == '+' ) || ( the_modes[strlen( the_modes ) - 1] == '-' )) the_modes[strlen( the_modes ) - 1] = '\0';
 531
 532                 /* Clean up argument string if there are none */
 533                 if( ! the_args[1] ) the_args[0] = '\0';
 534
 535                 if( Client_Type( Client ) == CLIENT_SERVER )
 536                 {
 537                         /* Forward mode changes to channel users and other servers */
 538                         IRC_WriteStrServersPrefix( Client, Origin, "MODE %s %s%s", Channel_Name( Channel ), the_modes, the_args );
 539                         IRC_WriteStrChannelPrefix( Client, Channel, Origin, FALSE, "MODE %s %s%s", Channel_Name( Channel ), the_modes, the_args );
 540                 }
 541                 else
 542                 {
 543                         /* Send reply to client and inform other servers and channel users */
 544                         ok = IRC_WriteStrClientPrefix( Client, Origin, "MODE %s %s%s", Channel_Name( Channel ), the_modes, the_args );
 545                         IRC_WriteStrServersPrefix( Client, Origin, "MODE %s %s%s", Channel_Name( Channel ), the_modes, the_args );
 546                         IRC_WriteStrChannelPrefix( Client, Channel, Origin, FALSE, "MODE %s %s%s", Channel_Name( Channel ), the_modes, the_args );
 547                 }
 548         }
 549
 550         return CONNECTED;
 551 } /* Channel_Mode */
 552
 553
 554 GLOBAL BOOLEAN
 555 IRC_AWAY( CLIENT *Client, REQUEST *Req )
 556 {
 557         assert( Client != NULL );
 558         assert( Req != NULL );
 559
 560         /* Falsche Anzahl Parameter? */
 561         if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 562
 563         if(( Req->argc == 1 ) && (Req->argv[0][0] ))
 564         {
 565                 /* AWAY setzen */
 566                 Client_SetAway( Client, Req->argv[0] );
 567                 IRC_WriteStrServersPrefix( Client, Client, "MODE %s :+a", Client_ID( Client ));
 568                 return IRC_WriteStrClient( Client, RPL_NOWAWAY_MSG, Client_ID( Client ));
 569         }
 570         else
 571         {
 572                 /* AWAY loeschen */
 573                 Client_SetAway( Client, NULL );
 574                 IRC_WriteStrServersPrefix( Client, Client, "MODE %s :-a", Client_ID( Client ));
 575                 return IRC_WriteStrClient( Client, RPL_UNAWAY_MSG, Client_ID( Client ));
 576         }
 577 } /* IRC_AWAY */
 578
 579
 580 LOCAL BOOLEAN
 581 Add_Invite( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern )
 582 {
 583         CHAR *mask;
 584
 585         assert( Client != NULL );
 586         assert( Channel != NULL );
 587         assert( Pattern != NULL );
 588
 589         mask = Lists_MakeMask( Pattern );
 590
 591         if( ! Lists_AddInvited( Prefix, mask, Channel, FALSE )) return CONNECTED;
 592         return Send_ListChange( "+I", Prefix, Client, Channel, mask );
 593 } /* Add_Invite */
 594
 595
 596 LOCAL BOOLEAN
 597 Add_Ban( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern )
 598 {
 599         CHAR *mask;
 600
 601         assert( Client != NULL );
 602         assert( Channel != NULL );
 603         assert( Pattern != NULL );
 604
 605         mask = Lists_MakeMask( Pattern );
 606
 607         if( ! Lists_AddBanned( Prefix, mask, Channel )) return CONNECTED;
 608         return Send_ListChange( "+b", Prefix, Client, Channel, mask );
 609 } /* Add_Ban */
 610
 611
 612 LOCAL BOOLEAN
 613 Del_Invite( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern )
 614 {
 615         CHAR *mask;
 616
 617         assert( Client != NULL );
 618         assert( Channel != NULL );
 619         assert( Pattern != NULL );
 620
 621         mask = Lists_MakeMask( Pattern );
 622         Lists_DelInvited( mask, Channel );
 623         return Send_ListChange( "-I", Prefix, Client, Channel, mask );
 624 } /* Del_Invite */
 625
 626
 627 LOCAL BOOLEAN
 628 Del_Ban( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern )
 629 {
 630         CHAR *mask;
 631
 632         assert( Client != NULL );
 633         assert( Channel != NULL );
 634         assert( Pattern != NULL );
 635
 636         mask = Lists_MakeMask( Pattern );
 637         Lists_DelBanned( mask, Channel );
 638         return Send_ListChange( "-b", Prefix, Client, Channel, mask );
 639 } /* Del_Ban */
 640
 641
 642 LOCAL BOOLEAN
 643 Send_ListChange( CHAR *Mode, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Mask )
 644 {
 645         /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
 646
 647         BOOLEAN ok;
 648
 649         if( Client_Type( Client ) == CLIENT_USER )
 650         {
 651                 /* Bestaetigung an Client */
 652                 ok = IRC_WriteStrClientPrefix( Client, Prefix, "MODE %s %s %s", Channel_Name( Channel ), Mode, Mask );
 653         }
 654         else ok = TRUE;
 655
 656         /* an andere Server */
 657         IRC_WriteStrServersPrefix( Client, Prefix, "MODE %s %s %s", Channel_Name( Channel ), Mode, Mask );
 658
 659         /* und lokale User im Channel */
 660         IRC_WriteStrChannelPrefix( Client, Channel, Prefix, FALSE, "MODE %s %s %s", Channel_Name( Channel ), Mode, Mask );
 661
 662         return ok;
 663 } /* Send_ListChange */
 664
 665
 666 /* -eof- */