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 1.24.2.1 2003/01/02 18:03:05 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 'a':
 158                                 /* Away */
 159                                 if( Client_Type( Client ) == CLIENT_SERVER )
 160                                 {
 161                                         x[0] = 'a';
 162                                         Client_SetAway( Client, DEFAULT_AWAY_MSG );
 163                                 }
 164                                 else ok = IRC_WriteStrClient( Origin, ERR_NOPRIVILEGES_MSG, Client_ID( Origin ));
 165                                 break;
 166                         case 'i':
 167                                 /* Invisible */
 168                                 x[0] = 'i';
 169                                 break;
 170                         case 'o':
 171                                 /* IRC operator (only unsetable!) */
 172                                 if(( ! set ) || ( Client_Type( Client ) == CLIENT_SERVER ))
 173                                 {
 174                                         Client_SetOperByMe( Target, FALSE );
 175                                         x[0] = 'o';
 176                                 }
 177                                 else ok = IRC_WriteStrClient( Origin, ERR_NOPRIVILEGES_MSG, Client_ID( Origin ));
 178                                 break;
 179                         case 'r':
 180                                 /* Restricted (only setable) */
 181                                 if(( set ) || ( Client_Type( Client ) == CLIENT_SERVER )) x[0] = 'r';
 182                                 else ok = IRC_WriteStrClient( Origin, ERR_RESTRICTED_MSG, Client_ID( Origin ));
 183                                 break;
 184                         case 's':
 185                                 /* Server messages */
 186                                 x[0] = 's';
 187                                 break;
 188                         default:
 189                                 Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Origin ));
 190                                 if( Client_Type( Client ) != CLIENT_SERVER ) ok = IRC_WriteStrClient( Origin, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Origin ), set ? '+' : '-', *mode_ptr );
 191                                 x[0] = '\0';
 192                                 goto client_exit;
 193                 }
 194                 if( ! ok ) break;
 195
 196                 /* Is there a valid mode change? */
 197                 if( ! x[0] ) continue;
 198
 199                 if( set )
 200                 {
 201                         /* Set mode */
 202                         if( Client_ModeAdd( Target, x[0] )) strcat( the_modes, x );
 203
 204                 }
 205                 else
 206                 {
 207                         /* Unset mode */
 208                         if( Client_ModeDel( Target, x[0] )) strcat( the_modes, x );
 209                 }
 210         }
 211 client_exit:
 212
 213         /* Are there changed modes? */
 214         if( the_modes[1] )
 215         {
 216                 /* Remoce needless action modifier characters */
 217                 if(( the_modes[strlen( the_modes ) - 1] == '+' ) || ( the_modes[strlen( the_modes ) - 1] == '-' )) the_modes[strlen( the_modes ) - 1] = '\0';
 218
 219                 if( Client_Type( Client ) == CLIENT_SERVER )
 220                 {
 221                         /* Forward modes to other servers */
 222                         IRC_WriteStrServersPrefix( Client, Origin, "MODE %s :%s", Client_ID( Target ), the_modes );
 223                 }
 224                 else
 225                 {
 226                         /* Send reply to client and inform other servers */
 227                         ok = IRC_WriteStrClientPrefix( Client, Origin, "MODE %s %s", Client_ID( Target ), the_modes );
 228                         IRC_WriteStrServersPrefix( Client, Origin, "MODE %s :%s", Client_ID( Target ), the_modes );
 229                 }
 230                 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( Target ), Client_Modes( Target ));
 231         }
 232
 233         return ok;
 234 } /* Client_Mode */
 235
 236
 237 LOCAL BOOLEAN
 238 Channel_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CHANNEL *Channel )
 239 {
 240         /* Handle channel and channel-user modes */
 241
 242         CHAR the_modes[COMMAND_LEN], the_args[COMMAND_LEN], x[2], argadd[CLIENT_PASS_LEN], *mode_ptr;
 243         BOOLEAN ok, set, modeok, skiponce;
 244         INT mode_arg, arg_arg;
 245         CLIENT *client;
 246         LONG l;
 247
 248         /* Mode request: let's answer it :-) */
 249         if( Req->argc == 1 ) return IRC_WriteStrClient( Origin, RPL_CHANNELMODEIS_MSG, Client_ID( Origin ), Channel_Name( Channel ), Channel_Modes( Channel ));
 250
 251         /* Is the user allowed to change modes? */
 252         if( Client_Type( Client ) == CLIENT_USER )
 253         {
 254                 if( strchr( Channel_UserModes( Channel, Origin ), 'o' )) modeok = TRUE;
 255                 else modeok = FALSE;
 256                 if( Conf_OperCanMode )
 257                 {
 258                         /* auch IRC-Operatoren duerfen MODE verwenden */
 259                         if( Client_OperByMe( Origin )) modeok = TRUE;
 260                 }
 261         }
 262         else modeok = TRUE;
 263
 264         mode_arg = 1;
 265         mode_ptr = Req->argv[mode_arg];
 266         if( Req->argc > mode_arg + 1 ) arg_arg = mode_arg + 1;
 267         else arg_arg = -1;
 268
 269         /* Initial state: set or unset modes? */
 270         skiponce = FALSE;
 271         if( *mode_ptr == '-' ) set = FALSE;
 272         else if( *mode_ptr == '+' ) set = TRUE;
 273         else set = skiponce = TRUE;
 274
 275         /* Prepare reply string */
 276         if( set ) strcpy( the_modes, "+" );
 277         else strcpy( the_modes, "-" );
 278         strcpy( the_args, " " );
 279
 280         x[1] = '\0';
 281         ok = CONNECTED;
 282         while( mode_ptr )
 283         {
 284                 if( ! skiponce ) mode_ptr++;
 285                 if( ! *mode_ptr )
 286                 {
 287                         /* Try next argument if there's any */
 288                         if( arg_arg > mode_arg ) mode_arg = arg_arg;
 289                         else mode_arg++;
 290                         if( mode_arg < Req->argc ) mode_ptr = Req->argv[mode_arg];
 291                         else break;
 292                         if( Req->argc > mode_arg + 1 ) arg_arg = mode_arg + 1;
 293                         else arg_arg = -1;
 294                 }
 295                 skiponce = FALSE;
 296
 297                 switch( *mode_ptr )
 298                 {
 299                         case '+':
 300                         case '-':
 301                                 if((( *mode_ptr == '+' ) && ( ! set )) || (( *mode_ptr == '-' ) && ( set )))
 302                                 {
 303                                         /* Action modifier ("+"/"-") must be changed ... */
 304                                         if(( the_modes[strlen( the_modes ) - 1] == '+' ) || ( the_modes[strlen( the_modes ) - 1] == '-' ))
 305                                         {
 306                                                 /* Adjust last action modifier in result */
 307                                                 the_modes[strlen( the_modes ) - 1] = *mode_ptr;
 308                                         }
 309                                         else
 310                                         {
 311                                                 /* Append modifier character to result string */
 312                                                 x[0] = *mode_ptr; strcat( the_modes, x );
 313                                         }
 314                                         if( *mode_ptr == '+' ) set = TRUE;
 315                                         else set = FALSE;
 316                                 }
 317                                 continue;
 318                 }
 319
 320                 /* Are there arguments left? */
 321                 if( arg_arg >= Req->argc ) arg_arg = -1;
 322
 323                 /* Validate modes */
 324                 x[0] = '\0';
 325                 argadd[0] = '\0';
 326                 client = NULL;
 327                 switch( *mode_ptr )
 328                 {
 329                         /* Channel modes */
 330                         case 'i':
 331                                 /* Invite-Only */
 332                                 if( modeok ) x[0] = 'i';
 333                                 else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
 334                                 break;
 335                         case 'm':
 336                                 /* Moderated */
 337                                 if( modeok ) x[0] = 'm';
 338                                 else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
 339                                 break;
 340                         case 'n':
 341                                 /* kein Schreiben in den Channel von aussen */
 342                                 if( modeok ) x[0] = 'n';
 343                                 else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
 344                                 break;
 345                         case 't':
 346                                 /* Topic Lock */
 347                                 if( modeok ) x[0] = 't';
 348                                 else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
 349                                 break;
 350                         case 'P':
 351                                 /* Persistent channel */
 352                                 if( modeok )
 353                                 {
 354                                         if( set && ( ! Client_OperByMe( Client )))
 355                                         {
 356                                                 /* Only IRC operators are allowed to set P mode */
 357                                                 ok = IRC_WriteStrClient( Origin, ERR_NOPRIVILEGES_MSG, Client_ID( Origin ));
 358                                         }
 359                                         else x[0] = 'P';
 360                                 }
 361                                 else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
 362                                 break;
 363
 364                         /* Channel user modes */
 365                         case 'o':
 366                                 /* Channel operator */
 367                         case 'v':
 368                                 /* Voice */
 369                                 if( arg_arg > mode_arg )
 370                                 {
 371                                         if( modeok )
 372                                         {
 373                                                 client = Client_Search( Req->argv[arg_arg] );
 374                                                 if( client ) x[0] = *mode_ptr;
 375                                                 else ok = IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[arg_arg] );
 376                                         }
 377                                         else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
 378                                         Req->argv[arg_arg][0] = '\0';
 379                                         arg_arg++;
 380                                 }
 381                                 else ok = IRC_WriteStrClient( Origin, ERR_NEEDMOREPARAMS_MSG, Client_ID( Origin ), Req->command );
 382                                 break;
 383                         case 'k':
 384                                 /* Channel key */
 385                                 if( ! set )
 386                                 {
 387                                         if( modeok ) x[0] = *mode_ptr;
 388                                         else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
 389                                         break;
 390                                 }
 391                                 if( arg_arg > mode_arg )
 392                                 {
 393                                         if( modeok )
 394                                         {
 395                                                 Channel_ModeDel( Channel, 'k' );
 396                                                 Channel_SetKey( Channel, Req->argv[arg_arg] );
 397                                                 strcpy( argadd, Channel_Key( Channel ));
 398                                                 x[0] = *mode_ptr;
 399                                         }
 400                                         else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
 401                                         Req->argv[arg_arg][0] = '\0';
 402                                         arg_arg++;
 403                                 }
 404                                 else ok = IRC_WriteStrClient( Origin, ERR_NEEDMOREPARAMS_MSG, Client_ID( Origin ), Req->command );
 405                                 break;
 406                         case 'l':
 407                                 /* Member limit */
 408                                 if( ! set )
 409                                 {
 410                                         if( modeok ) x[0] = *mode_ptr;
 411                                         else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
 412                                         break;
 413                                 }
 414                                 if( arg_arg > mode_arg )
 415                                 {
 416                                         if( modeok )
 417                                         {
 418                                                 l = atol( Req->argv[arg_arg] );
 419                                                 if( l > 0 && l < 0xFFFF )
 420                                                 {
 421                                                         Channel_ModeDel( Channel, 'l' );
 422                                                         Channel_SetMaxUsers( Channel, l );
 423                                                         sprintf( argadd, "%ld", l );
 424                                                         x[0] = *mode_ptr;
 425                                                 }
 426                                         }
 427                                         else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
 428                                         Req->argv[arg_arg][0] = '\0';
 429                                         arg_arg++;
 430                                 }
 431                                 else ok = IRC_WriteStrClient( Origin, ERR_NEEDMOREPARAMS_MSG, Client_ID( Origin ), Req->command );
 432                                 break;
 433
 434                         /* Channel lists */
 435                         case 'I':
 436                                 /* Invite lists */
 437                                 if( arg_arg > mode_arg )
 438                                 {
 439                                         /* modify list */
 440                                         if( modeok )
 441                                         {
 442                                                 if( set ) Add_Invite( Origin, Client, Channel, Req->argv[arg_arg] );
 443                                                 else Del_Invite( Origin, Client, Channel, Req->argv[arg_arg] );
 444                                         }
 445                                         else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
 446                                         Req->argv[arg_arg][0] = '\0';
 447                                         arg_arg++;
 448                                 }
 449                                 else Lists_ShowInvites( Origin, Channel );
 450                                 break;
 451                         case 'b':
 452                                 /* Ban lists */
 453                                 if( arg_arg > mode_arg )
 454                                 {
 455                                         /* modify list */
 456                                         if( modeok )
 457                                         {
 458                                                 if( set ) Add_Ban( Origin, Client, Channel, Req->argv[arg_arg] );
 459                                                 else Del_Ban( Origin, Client, Channel, Req->argv[arg_arg] );
 460                                         }
 461                                         else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
 462                                         Req->argv[arg_arg][0] = '\0';
 463                                         arg_arg++;
 464                                 }
 465                                 else Lists_ShowBans( Origin, Channel );
 466                                 break;
 467
 468                         default:
 469                                 Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\" on %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Origin ), Channel_Name( Channel ));
 470                                 if( Client_Type( Client ) != CLIENT_SERVER ) ok = IRC_WriteStrClient( Origin, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Origin ), set ? '+' : '-', *mode_ptr );
 471                                 x[0] = '\0';
 472                                 goto chan_exit;
 473                 }
 474                 if( ! ok ) break;
 475
 476                 /* Is there a valid mode change? */
 477                 if( ! x[0] ) continue;
 478
 479                 if( set )
 480                 {
 481                         /* Set mode */
 482                         if( client )
 483                         {
 484                                 /* Channel-User-Mode */
 485                                 if( Channel_UserModeAdd( Channel, client, x[0] ))
 486                                 {
 487                                         strcat( the_args, Client_ID( client ));
 488                                         strcat( the_args, " " ); strcat( the_modes, x );
 489                                         Log( LOG_DEBUG, "User \"%s\": Mode change on %s, now \"%s\"", Client_Mask( client ), Channel_Name( Channel ), Channel_UserModes( Channel, client ));
 490                                 }
 491                         }
 492                         else
 493                         {
 494                                 /* Channel-Mode */
 495                                 if( Channel_ModeAdd( Channel, x[0] ))
 496                                 {
 497                                         strcat( the_modes, x );
 498                                         Log( LOG_DEBUG, "Channel %s: Mode change, now \"%s\".", Channel_Name( Channel ), Channel_Modes( Channel ));
 499                                 }
 500                         }
 501                 }
 502                 else
 503                 {
 504                         /* Unset mode */
 505                         if( client )
 506                         {
 507                                 /* Channel-User-Mode */
 508                                 if( Channel_UserModeDel( Channel, client, x[0] ))
 509                                 {
 510                                         strcat( the_args, Client_ID( client ));
 511                                         strcat( the_args, " " ); strcat( the_modes, x );
 512                                         Log( LOG_DEBUG, "User \"%s\": Mode change on %s, now \"%s\"", Client_Mask( client ), Channel_Name( Channel ), Channel_UserModes( Channel, client ));
 513                                 }
 514                         }
 515                         else
 516                         {
 517                                 /* Channel-Mode */
 518                                 if( Channel_ModeDel( Channel, x[0] ))
 519                                 {
 520                                         strcat( the_modes, x );
 521                                         Log( LOG_DEBUG, "Channel %s: Mode change, now \"%s\".", Channel_Name( Channel ), Channel_Modes( Channel ));
 522                                 }
 523                         }
 524                 }
 525
 526                 /* Are there additional arguments to add? */
 527                 if( argadd[0] )
 528                 {
 529                         if( the_args[strlen( the_args ) - 1] != ' ' ) strcat( the_args, " " );
 530                         strcat( the_args, argadd );
 531                 }
 532         }
 533 chan_exit:
 534
 535         /* Are there changed modes? */
 536         if( the_modes[1] )
 537         {
 538                 /* Clean up mode string */
 539                 if(( the_modes[strlen( the_modes ) - 1] == '+' ) || ( the_modes[strlen( the_modes ) - 1] == '-' )) the_modes[strlen( the_modes ) - 1] = '\0';
 540
 541                 /* Clean up argument string if there are none */
 542                 if( ! the_args[1] ) the_args[0] = '\0';
 543
 544                 if( Client_Type( Client ) == CLIENT_SERVER )
 545                 {
 546                         /* Forward mode changes to channel users and other servers */
 547                         IRC_WriteStrServersPrefix( Client, Origin, "MODE %s %s%s", Channel_Name( Channel ), the_modes, the_args );
 548                         IRC_WriteStrChannelPrefix( Client, Channel, Origin, FALSE, "MODE %s %s%s", Channel_Name( Channel ), the_modes, the_args );
 549                 }
 550                 else
 551                 {
 552                         /* Send reply to client and inform other servers and channel users */
 553                         ok = IRC_WriteStrClientPrefix( Client, Origin, "MODE %s %s%s", Channel_Name( Channel ), the_modes, the_args );
 554                         IRC_WriteStrServersPrefix( Client, Origin, "MODE %s %s%s", Channel_Name( Channel ), the_modes, the_args );
 555                         IRC_WriteStrChannelPrefix( Client, Channel, Origin, FALSE, "MODE %s %s%s", Channel_Name( Channel ), the_modes, the_args );
 556                 }
 557         }
 558
 559         return CONNECTED;
 560 } /* Channel_Mode */
 561
 562
 563 GLOBAL BOOLEAN
 564 IRC_AWAY( CLIENT *Client, REQUEST *Req )
 565 {
 566         assert( Client != NULL );
 567         assert( Req != NULL );
 568
 569         /* Falsche Anzahl Parameter? */
 570         if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 571
 572         if(( Req->argc == 1 ) && (Req->argv[0][0] ))
 573         {
 574                 /* AWAY setzen */
 575                 Client_SetAway( Client, Req->argv[0] );
 576                 Client_ModeAdd( Client, 'a' );
 577                 IRC_WriteStrServersPrefix( Client, Client, "MODE %s :+a", Client_ID( Client ));
 578                 return IRC_WriteStrClient( Client, RPL_NOWAWAY_MSG, Client_ID( Client ));
 579         }
 580         else
 581         {
 582                 /* AWAY loeschen */
 583                 Client_ModeDel( Client, 'a' );
 584                 IRC_WriteStrServersPrefix( Client, Client, "MODE %s :-a", Client_ID( Client ));
 585                 return IRC_WriteStrClient( Client, RPL_UNAWAY_MSG, Client_ID( Client ));
 586         }
 587 } /* IRC_AWAY */
 588
 589
 590 LOCAL BOOLEAN
 591 Add_Invite( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern )
 592 {
 593         CHAR *mask;
 594
 595         assert( Client != NULL );
 596         assert( Channel != NULL );
 597         assert( Pattern != NULL );
 598
 599         mask = Lists_MakeMask( Pattern );
 600
 601         if( ! Lists_AddInvited( Prefix, mask, Channel, FALSE )) return CONNECTED;
 602         return Send_ListChange( "+I", Prefix, Client, Channel, mask );
 603 } /* Add_Invite */
 604
 605
 606 LOCAL BOOLEAN
 607 Add_Ban( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern )
 608 {
 609         CHAR *mask;
 610
 611         assert( Client != NULL );
 612         assert( Channel != NULL );
 613         assert( Pattern != NULL );
 614
 615         mask = Lists_MakeMask( Pattern );
 616
 617         if( ! Lists_AddBanned( Prefix, mask, Channel )) return CONNECTED;
 618         return Send_ListChange( "+b", Prefix, Client, Channel, mask );
 619 } /* Add_Ban */
 620
 621
 622 LOCAL BOOLEAN
 623 Del_Invite( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern )
 624 {
 625         CHAR *mask;
 626
 627         assert( Client != NULL );
 628         assert( Channel != NULL );
 629         assert( Pattern != NULL );
 630
 631         mask = Lists_MakeMask( Pattern );
 632         Lists_DelInvited( mask, Channel );
 633         return Send_ListChange( "-I", Prefix, Client, Channel, mask );
 634 } /* Del_Invite */
 635
 636
 637 LOCAL BOOLEAN
 638 Del_Ban( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern )
 639 {
 640         CHAR *mask;
 641
 642         assert( Client != NULL );
 643         assert( Channel != NULL );
 644         assert( Pattern != NULL );
 645
 646         mask = Lists_MakeMask( Pattern );
 647         Lists_DelBanned( mask, Channel );
 648         return Send_ListChange( "-b", Prefix, Client, Channel, mask );
 649 } /* Del_Ban */
 650
 651
 652 LOCAL BOOLEAN
 653 Send_ListChange( CHAR *Mode, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Mask )
 654 {
 655         /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
 656
 657         BOOLEAN ok;
 658
 659         if( Client_Type( Client ) == CLIENT_USER )
 660         {
 661                 /* Bestaetigung an Client */
 662                 ok = IRC_WriteStrClientPrefix( Client, Prefix, "MODE %s %s %s", Channel_Name( Channel ), Mode, Mask );
 663         }
 664         else ok = TRUE;
 665
 666         /* an andere Server */
 667         IRC_WriteStrServersPrefix( Client, Prefix, "MODE %s %s %s", Channel_Name( Channel ), Mode, Mask );
 668
 669         /* und lokale User im Channel */
 670         IRC_WriteStrChannelPrefix( Client, Channel, Prefix, FALSE, "MODE %s %s %s", Channel_Name( Channel ), Mode, Mask );
 671
 672         return ok;
 673 } /* Send_ListChange */
 674
 675
 676 /* -eof- */