src/ngircd/irc-channel.c

   1 /*
   2  * ngIRCd -- The Next Generation IRC Daemon
   3  * Copyright (c)2001-2008 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 channel commands
  12  */
  13
  14
  15 #include "portab.h"
  16
  17 #include "imp.h"
  18 #include <assert.h>
  19 #include <stdlib.h>
  20 #include <stdio.h>
  21 #include <string.h>
  22
  23 #include "defines.h"
  24 #include "conn.h"
  25 #include "client.h"
  26 #include "channel.h"
  27 #include "conn-func.h"
  28 #include "lists.h"
  29 #include "log.h"
  30 #include "match.h"
  31 #include "messages.h"
  32 #include "parse.h"
  33 #include "irc-info.h"
  34 #include "irc-write.h"
  35 #include "resolve.h"
  36 #include "conf.h"
  37
  38 #include "exp.h"
  39 #include "irc-channel.h"
  40
  41
  42 /*
  43  * RFC 2812, (3.2.1 Join message Command):
  44  *  Note that this message
  45  *  accepts a special argument ("0"), which is a special request to leave all
  46  *  channels the user is currently a member of. The server will process this
  47  *  message as if the user had sent a PART command (See Section 3.2.2) for
  48  *  each channel he is a member of.
  49  */
  50 static bool
  51 part_from_all_channels(CLIENT* client, CLIENT *target)
  52 {
  53         CL2CHAN *cl2chan;
  54         CHANNEL *chan;
  55
  56         while ((cl2chan = Channel_FirstChannelOf(target))) {
  57                 chan = Channel_GetChannel(cl2chan);
  58                 assert( chan != NULL );
  59                 Channel_Part(target, client, Channel_Name(chan), Client_ID(target));
  60         }
  61         return CONNECTED;
  62 }
  63
  64
  65 static bool
  66 join_allowed(CLIENT *Client, CLIENT *target, CHANNEL *chan,
  67                         const char *channame, const char *key)
  68 {
  69         bool is_invited, is_banned;
  70         const char *channel_modes;
  71
  72         /* Allow IRC operators to overwrite channel limits */
  73         if (strchr(Client_Modes(Client), 'o'))
  74                 return true;
  75
  76         is_banned = Lists_Check(Channel_GetListBans(chan), target);
  77         is_invited = Lists_Check(Channel_GetListInvites(chan), target);
  78
  79         if (is_banned && !is_invited) {
  80                 IRC_WriteStrClient(Client, ERR_BANNEDFROMCHAN_MSG, Client_ID(Client), channame);
  81                 return false;
  82         }
  83
  84         channel_modes = Channel_Modes(chan);
  85         if ((strchr(channel_modes, 'i')) && !is_invited) {
  86                 /* Channel is "invite-only" (and Client wasn't invited) */
  87                 IRC_WriteStrClient(Client, ERR_INVITEONLYCHAN_MSG, Client_ID(Client), channame);
  88                 return false;
  89         }
  90
  91         /* Is the channel protected by a key? */
  92         if (!Channel_CheckKey(chan, target, key ? key : "")) {
  93                 IRC_WriteStrClient(Client, ERR_BADCHANNELKEY_MSG,
  94                                    Client_ID(Client), channame);
  95                 return false;
  96         }
  97         /* Are there already too many members? */
  98         if ((strchr(channel_modes, 'l')) && (Channel_MaxUsers(chan) <= Channel_MemberCount(chan))) {
  99                 IRC_WriteStrClient(Client, ERR_CHANNELISFULL_MSG, Client_ID(Client), channame);
 100                 return false;
 101         }
 102         return true;
 103 }
 104
 105
 106 static void
 107 join_set_channelmodes(CHANNEL *chan, CLIENT *target, const char *flags)
 108 {
 109         if (flags) {
 110                 while (*flags) {
 111                         Channel_UserModeAdd(chan, target, *flags);
 112                         flags++;
 113                 }
 114         }
 115
 116         /* If channel persistent and client is ircop: make client chanop */
 117         if (strchr(Channel_Modes(chan), 'P') && strchr(Client_Modes(target), 'o'))
 118                 Channel_UserModeAdd(chan, target, 'o');
 119 }
 120
 121
 122 static void
 123 cb_join_forward(CLIENT *To, CLIENT *Prefix, void *Data)
 124 {
 125         CONN_ID conn;
 126         char str[COMMAND_LEN], *ptr = NULL;
 127
 128         strlcpy(str, (char *)Data, sizeof(str));
 129         conn = Client_Conn(To);
 130
 131         if (Conn_Options(conn) & CONN_RFC1459) {
 132                 /* RFC 1459 compatibility mode, appended modes are NOT
 133                  * supported, so strip them off! */
 134                 ptr = strchr(str, 0x7);
 135                 if (ptr)
 136                         *ptr++ = '\0';
 137         }
 138
 139         IRC_WriteStrClientPrefix(To, Prefix, "JOIN %s", str);
 140         if (ptr && *ptr)
 141                 IRC_WriteStrClientPrefix(To, Prefix, "MODE %s +%s %s", str, ptr,
 142                                          Client_ID(Prefix));
 143 } /* cb_join_forward */
 144
 145
 146 static void
 147 join_forward(CLIENT *Client, CLIENT *target, CHANNEL *chan,
 148                                         const char *channame)
 149 {
 150         char modes[CHANNEL_MODE_LEN], str[COMMAND_LEN];
 151
 152         strlcpy(&modes[1], Channel_UserModes(chan, target), sizeof(modes) - 1);
 153         if (modes[1])
 154                 modes[0] = 0x7;
 155         else
 156                 modes[0] = '\0';
 157
 158         /* forward to other servers (if it is not a local channel) */
 159         if (!Channel_IsLocal(chan)) {
 160                 snprintf(str, sizeof(str), "%s%s", channame, modes);
 161                 IRC_WriteStrServersPrefixFlag_CB(Client, target, '\0',
 162                                                  cb_join_forward, str);
 163         }
 164
 165         /* tell users in this channel about the new client */
 166         IRC_WriteStrChannelPrefix(Client, chan, target, false,
 167                                   "JOIN :%s",  channame);
 168
 169         /* syncronize channel modes */
 170         if (modes[1]) {
 171                 IRC_WriteStrChannelPrefix(Client, chan, target, false,
 172                                           "MODE %s +%s %s", channame,
 173                                           &modes[1], Client_ID(target));
 174         }
 175 } /* join_forward */
 176
 177
 178 static bool
 179 join_send_topic(CLIENT *Client, CLIENT *target, CHANNEL *chan,
 180                                         const char *channame)
 181 {
 182         const char *topic;
 183
 184         if (Client_Type(Client) != CLIENT_USER)
 185                 return true;
 186         /* acknowledge join */
 187         if (!IRC_WriteStrClientPrefix(Client, target, "JOIN :%s", channame))
 188                 return false;
 189
 190         /* Send topic to client, if any */
 191         topic = Channel_Topic(chan);
 192         assert(topic != NULL);
 193         if (*topic) {
 194                 if (!IRC_WriteStrClient(Client, RPL_TOPIC_MSG,
 195                         Client_ID(Client), channame, topic))
 196                                 return false;
 197 #ifndef STRICT_RFC
 198                 if (!IRC_WriteStrClient(Client, RPL_TOPICSETBY_MSG,
 199                         Client_ID(Client), channame,
 200                         Channel_TopicWho(chan),
 201                         Channel_TopicTime(chan)))
 202                                 return false;
 203 #endif
 204         }
 205         /* send list of channel members to client */
 206         if (!IRC_Send_NAMES(Client, chan))
 207                 return false;
 208         return IRC_WriteStrClient(Client, RPL_ENDOFNAMES_MSG, Client_ID(Client), Channel_Name(chan));
 209 }
 210
 211
 212 GLOBAL bool
 213 IRC_JOIN( CLIENT *Client, REQUEST *Req )
 214 {
 215         char *channame, *key = NULL, *flags, *lastkey = NULL, *lastchan = NULL;
 216         CLIENT *target;
 217         CHANNEL *chan;
 218
 219         assert( Client != NULL );
 220         assert( Req != NULL );
 221
 222         /* Bad number of arguments? */
 223         if (Req->argc < 1 || Req->argc > 2)
 224                 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
 225                                           Client_ID(Client), Req->command);
 226
 227         /* Who is the sender? */
 228         if (Client_Type(Client) == CLIENT_SERVER)
 229                 target = Client_Search(Req->prefix);
 230         else
 231                 target = Client;
 232
 233         if (!target)
 234                 return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG, Client_ID(Client), Req->prefix);
 235
 236         /* Is argument "0"? */
 237         if (Req->argc == 1 && !strncmp("0", Req->argv[0], 2))
 238                 return part_from_all_channels(Client, target);
 239
 240         /* Are channel keys given? */
 241         if (Req->argc > 1)
 242                 key = strtok_r(Req->argv[1], ",", &lastkey);
 243
 244         channame = Req->argv[0];
 245         channame = strtok_r(channame, ",", &lastchan);
 246
 247         /* Make sure that "channame" is not the empty string ("JOIN :") */
 248         if (! channame)
 249                 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
 250                                           Client_ID(Client), Req->command);
 251
 252         while (channame) {
 253                 flags = NULL;
 254
 255                 /* Did the server include channel-user-modes? */
 256                 if (Client_Type(Client) == CLIENT_SERVER) {
 257                         flags = strchr(channame, 0x7);
 258                         if (flags) {
 259                                 *flags = '\0';
 260                                 flags++;
 261                         }
 262                 }
 263
 264                 chan = Channel_Search(channame);
 265                 if (!chan && Conf_PredefChannelsOnly) {
 266                          /* channel must be created, but server does not allow this */
 267                         IRC_WriteStrClient(Client, ERR_BANNEDFROMCHAN_MSG, Client_ID(Client), channame);
 268                         break;
 269                 }
 270
 271                 /* Local client? */
 272                 if (Client_Type(Client) == CLIENT_USER) {
 273                         /* Test if the user has reached his maximum channel count */
 274                         if ((Conf_MaxJoins > 0) && (Channel_CountForUser(Client) >= Conf_MaxJoins))
 275                                 return IRC_WriteStrClient(Client, ERR_TOOMANYCHANNELS_MSG,
 276                                                         Client_ID(Client), channame);
 277                         if (!chan) {
 278                                 /*
 279                                  * New Channel: first user will be channel operator
 280                                  * unless this is a modeless channel.
 281                                  */
 282                                 if (*channame != '+')
 283                                         flags = "o";
 284                         } else
 285                                 if (!join_allowed(Client, target, chan, channame, key))
 286                                         break;
 287
 288                         /* Local client: update idle time */
 289                         Conn_UpdateIdle(Client_Conn(Client));
 290                 } else {
 291                         /* Remote server: we don't need to know whether the
 292                          * client is invited or not, but we have to make sure
 293                          * that the "one shot" entries (generated by INVITE
 294                          * commands) in this list become deleted when a user
 295                          * joins a channel this way. */
 296                         if (chan) (void)Lists_Check(Channel_GetListInvites(chan), target);
 297                 }
 298
 299                 /* Join channel (and create channel if it doesn't exist) */
 300                 if (!Channel_Join(target, channame))
 301                         break;
 302
 303                 if (!chan) { /* channel is new; it has been created above */
 304                         chan = Channel_Search(channame);
 305                         assert(chan != NULL);
 306                         if (*channame == '+') { /* modeless channel... */
 307                                 Channel_ModeAdd(chan, 't'); /* /TOPIC not allowed */
 308                                 Channel_ModeAdd(chan, 'n'); /* no external msgs */
 309                         }
 310                 }
 311                 assert(chan != NULL);
 312
 313                 join_set_channelmodes(chan, target, flags);
 314
 315                 join_forward(Client, target, chan, channame);
 316
 317                 if (!join_send_topic(Client, target, chan, channame))
 318                         break; /* write error */
 319
 320                 /* next channel? */
 321                 channame = strtok_r(NULL, ",", &lastchan);
 322                 if (channame && key)
 323                         key = strtok_r(NULL, ",", &lastkey);
 324         }
 325         return CONNECTED;
 326 } /* IRC_JOIN */
 327
 328
 329 /**
 330  * Handler for the IRC "PART" command.
 331  */
 332 GLOBAL bool
 333 IRC_PART(CLIENT * Client, REQUEST * Req)
 334 {
 335         CLIENT *target;
 336         char *chan;
 337
 338         assert(Client != NULL);
 339         assert(Req != NULL);
 340
 341         if (Req->argc < 1 || Req->argc > 2)
 342                 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
 343                                           Client_ID(Client), Req->command);
 344
 345         /* Get the sender */
 346         if (Client_Type(Client) == CLIENT_SERVER)
 347                 target = Client_Search(Req->prefix);
 348         else
 349                 target = Client;
 350         if (!target)
 351                 return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
 352                                           Client_ID(Client), Req->prefix);
 353
 354         /* Loop over all the given channel names */
 355         chan = strtok(Req->argv[0], ",");
 356
 357         /* Make sure that "chan" is not the empty string ("PART :") */
 358         if (! chan)
 359                 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
 360                                           Client_ID(Client), Req->command);
 361
 362         while (chan) {
 363                 Channel_Part(target, Client, chan,
 364                              Req->argc > 1 ? Req->argv[1] : Client_ID(target));
 365                 chan = strtok(NULL, ",");
 366         }
 367
 368         /* Update idle time, if local client */
 369         if (Client_Conn(Client) > NONE)
 370                 Conn_UpdateIdle(Client_Conn(Client));
 371
 372         return CONNECTED;
 373 } /* IRC_PART */
 374
 375
 376 GLOBAL bool
 377 IRC_TOPIC( CLIENT *Client, REQUEST *Req )
 378 {
 379         CHANNEL *chan;
 380         CLIENT *from;
 381         char *topic;
 382         bool r;
 383
 384         assert( Client != NULL );
 385         assert( Req != NULL );
 386
 387         if ((Req->argc < 1) || (Req->argc > 2))
 388                 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG, Client_ID(Client), Req->command);
 389
 390         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 391         else from = Client;
 392         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 393
 394         /* Welcher Channel? */
 395         chan = Channel_Search( Req->argv[0] );
 396         if( ! chan ) return IRC_WriteStrClient( from, ERR_NOSUCHCHANNEL_MSG, Client_ID( from ), Req->argv[0] );
 397
 398         /* Ist der User Mitglied in dem Channel? */
 399         if( ! Channel_IsMemberOf( chan, from )) return IRC_WriteStrClient( from, ERR_NOTONCHANNEL_MSG, Client_ID( from ), Req->argv[0] );
 400
 401         if( Req->argc == 1 )
 402         {
 403                 /* Request actual topic */
 404                 topic = Channel_Topic(chan);
 405                 if (*topic) {
 406                         r = IRC_WriteStrClient(from, RPL_TOPIC_MSG,
 407                                 Client_ID(Client), Channel_Name(chan), topic);
 408 #ifndef STRICT_RFC
 409                         r = IRC_WriteStrClient(from, RPL_TOPICSETBY_MSG,
 410                                 Client_ID(Client), Channel_Name(chan),
 411                                 Channel_TopicWho(chan),
 412                                 Channel_TopicTime(chan));
 413 #endif
 414                         return r;
 415                 }
 416                 else
 417                          return IRC_WriteStrClient(from, RPL_NOTOPIC_MSG,
 418                                         Client_ID(from), Channel_Name(chan));
 419         }
 420
 421         if( strchr( Channel_Modes( chan ), 't' ))
 422         {
 423                 /* Topic Lock. Ist der User ein Channel Operator? */
 424                 if( ! strchr( Channel_UserModes( chan, from ), 'o' )) return IRC_WriteStrClient( from, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( from ), Channel_Name( chan ));
 425         }
 426
 427         /* Set new topic */
 428         Channel_SetTopic(chan, from, Req->argv[1]);
 429         LogDebug("%s \"%s\" set topic on \"%s\": %s",
 430                  Client_TypeText(from), Client_Mask(from), Channel_Name(chan),
 431                  Req->argv[1][0] ? Req->argv[1] : "<none>");
 432
 433         /* Update channel and forward new topic to other servers */
 434         if (!Channel_IsLocal(chan))
 435                 IRC_WriteStrServersPrefix(Client, from, "TOPIC %s :%s",
 436                                           Req->argv[0], Req->argv[1]);
 437         IRC_WriteStrChannelPrefix(Client, chan, from, false, "TOPIC %s :%s",
 438                                   Req->argv[0], Req->argv[1]);
 439
 440         if (Client_Type(Client) == CLIENT_USER)
 441                 return IRC_WriteStrClientPrefix(Client, Client, "TOPIC %s :%s",
 442                                                 Req->argv[0], Req->argv[1]);
 443         else
 444                 return CONNECTED;
 445 } /* IRC_TOPIC */
 446
 447
 448 /**
 449  * Handler for the IRC "LIST" command.
 450  * This implementation handles the local case as well as the forwarding of the
 451  * LIST command to other servers in the IRC network.
 452  */
 453 GLOBAL bool
 454 IRC_LIST( CLIENT *Client, REQUEST *Req )
 455 {
 456         char *pattern;
 457         CHANNEL *chan;
 458         CLIENT *from, *target;
 459
 460         assert( Client != NULL );
 461         assert( Req != NULL );
 462
 463         /* Bad number of prameters? */
 464         if( Req->argc > 2 )
 465                 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG,
 466                         Client_ID( Client ), Req->command );
 467
 468         if( Req->argc > 0 )
 469                 pattern = strtok( Req->argv[0], "," );
 470         else
 471                 pattern = "*";
 472
 473         /* Get sender from prefix, if any */
 474         if( Client_Type( Client ) == CLIENT_SERVER )
 475                 from = Client_Search( Req->prefix );
 476         else
 477                 from = Client;
 478
 479         if( ! from )
 480                 return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG,
 481                                 Client_ID( Client ), Req->prefix );
 482
 483         if( Req->argc == 2 )
 484         {
 485                 /* Forward to other server? */
 486                 target = Client_Search( Req->argv[1] );
 487                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER ))
 488                         return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG,
 489                                         Client_ID( Client ), Req->argv[1] );
 490
 491                 if( target != Client_ThisServer( ))
 492                 {
 493                         /* Target is indeed an other server, forward it! */
 494                         return IRC_WriteStrClientPrefix( target, from,
 495                                         "LIST %s :%s", Client_ID( from ),
 496                                         Req->argv[1] );
 497                 }
 498         }
 499
 500         while( pattern )
 501         {
 502                 /* Loop through all the channels */
 503                 chan = Channel_First( );
 504                 while( chan )
 505                 {
 506                         /* Check search pattern */
 507                         if( Match( pattern, Channel_Name( chan )))
 508                         {
 509                                 /* Gotcha! */
 510                                 if( ! strchr( Channel_Modes( chan ), 's' ) ||
 511                                     Channel_IsMemberOf( chan, from ))
 512                                 {
 513                                         if( ! IRC_WriteStrClient( from,
 514                                             RPL_LIST_MSG, Client_ID( from ),
 515                                             Channel_Name( chan ),
 516                                             Channel_MemberCount( chan ),
 517                                             Channel_Topic( chan )))
 518                                                 return DISCONNECTED;
 519                                 }
 520                         }
 521                         chan = Channel_Next( chan );
 522                 }
 523
 524                 /* Get next name ... */
 525                 if( Req->argc > 0 )
 526                         pattern = strtok( NULL, "," );
 527                 else
 528                         pattern = NULL;
 529         }
 530
 531         return IRC_WriteStrClient( from, RPL_LISTEND_MSG, Client_ID( from ));
 532 } /* IRC_LIST */
 533
 534
 535 GLOBAL bool
 536 IRC_CHANINFO( CLIENT *Client, REQUEST *Req )
 537 {
 538         char modes_add[COMMAND_LEN], l[16], *ptr;
 539         CLIENT *from;
 540         CHANNEL *chan;
 541         int arg_topic;
 542
 543         assert( Client != NULL );
 544         assert( Req != NULL );
 545
 546         /* Bad number of parameters? */
 547         if(( Req->argc < 2 ) || ( Req->argc == 4 ) || ( Req->argc > 5 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 548
 549         /* Compatibility kludge */
 550         if( Req->argc == 5 ) arg_topic = 4;
 551         else if( Req->argc == 3 ) arg_topic = 2;
 552         else arg_topic = -1;
 553
 554         /* Search origin */
 555         from = Client_Search( Req->prefix );
 556         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 557
 558         /* Search or create channel */
 559         chan = Channel_Search( Req->argv[0] );
 560         if( ! chan ) chan = Channel_Create( Req->argv[0] );
 561         if( ! chan ) return CONNECTED;
 562
 563         if( Req->argv[1][0] == '+' )
 564         {
 565                 ptr = Channel_Modes( chan );
 566                 if( ! *ptr )
 567                 {
 568                         /* OK, this channel doesn't have modes jet, set the received ones: */
 569                         Channel_SetModes( chan, &Req->argv[1][1] );
 570
 571                         if( Req->argc == 5 )
 572                         {
 573                                 if( strchr( Channel_Modes( chan ), 'k' )) Channel_SetKey( chan, Req->argv[2] );
 574                                 if( strchr( Channel_Modes( chan ), 'l' )) Channel_SetMaxUsers( chan, atol( Req->argv[3] ));
 575                         }
 576                         else
 577                         {
 578                                 /* Delete modes which we never want to inherit */
 579                                 Channel_ModeDel( chan, 'l' );
 580                                 Channel_ModeDel( chan, 'k' );
 581                         }
 582
 583                         strcpy( modes_add, "" );
 584                         ptr = Channel_Modes( chan );
 585                         while( *ptr )
 586                         {
 587                                 if( *ptr == 'l' )
 588                                 {
 589                                         snprintf( l, sizeof( l ), " %lu", Channel_MaxUsers( chan ));
 590                                         strlcat( modes_add, l, sizeof( modes_add ));
 591                                 }
 592                                 if( *ptr == 'k' )
 593                                 {
 594                                         strlcat( modes_add, " ", sizeof( modes_add ));
 595                                         strlcat( modes_add, Channel_Key( chan ), sizeof( modes_add ));
 596                                 }
 597                                 ptr++;
 598                         }
 599
 600                         /* Inform members of this channel */
 601                         IRC_WriteStrChannelPrefix( Client, chan, from, false, "MODE %s +%s%s", Req->argv[0], Channel_Modes( chan ), modes_add );
 602                 }
 603         }
 604         else Log( LOG_WARNING, "CHANINFO: invalid MODE format ignored!" );
 605
 606         if( arg_topic > 0 )
 607         {
 608                 /* We got a topic */
 609                 ptr = Channel_Topic( chan );
 610                 if(( ! *ptr ) && ( Req->argv[arg_topic][0] ))
 611                 {
 612                         /* OK, there is no topic jet */
 613                         Channel_SetTopic(chan, Client, Req->argv[arg_topic]);
 614                         IRC_WriteStrChannelPrefix(Client, chan, from, false,
 615                              "TOPIC %s :%s", Req->argv[0], Channel_Topic(chan));
 616                 }
 617         }
 618
 619         /* Forward CHANINFO to other serevrs */
 620         if( Req->argc == 5 ) IRC_WriteStrServersPrefixFlag( Client, from, 'C', "CHANINFO %s %s %s %s :%s", Req->argv[0], Req->argv[1], Req->argv[2], Req->argv[3], Req->argv[4] );
 621         else if( Req->argc == 3 ) IRC_WriteStrServersPrefixFlag( Client, from, 'C', "CHANINFO %s %s :%s", Req->argv[0], Req->argv[1], Req->argv[2] );
 622         else IRC_WriteStrServersPrefixFlag( Client, from, 'C', "CHANINFO %s %s", Req->argv[0], Req->argv[1] );
 623
 624         return CONNECTED;
 625 } /* IRC_CHANINFO */
 626
 627
 628 /* -eof- */