src/ngircd/irc-info.c

   1 /*
   2  * ngIRCd -- The Next Generation IRC Daemon
   3  * Copyright (c)2001-2005 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 info commands
  12  */
  13
  14
  15 #include "portab.h"
  16
  17 static char UNUSED id[] = "$Id: irc-info.c,v 1.41.2.1 2008/02/26 12:06:57 fw Exp $";
  18
  19 #include "imp.h"
  20 #include <assert.h>
  21 #include <errno.h>
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25 #include <strings.h>
  26
  27 #include "ngircd.h"
  28 #include "cvs-version.h"
  29 #include "conn-func.h"
  30 #include "conn-zip.h"
  31 #include "client.h"
  32 #include "channel.h"
  33 #include "resolve.h"
  34 #include "conf.h"
  35 #include "defines.h"
  36 #include "log.h"
  37 #include "messages.h"
  38 #include "tool.h"
  39 #include "parse.h"
  40 #include "irc-write.h"
  41
  42 #include "exp.h"
  43 #include "irc-info.h"
  44
  45
  46 GLOBAL bool
  47 IRC_ADMIN(CLIENT *Client, REQUEST *Req )
  48 {
  49         CLIENT *target, *prefix;
  50
  51         assert( Client != NULL );
  52         assert( Req != NULL );
  53
  54         /* Falsche Anzahl Parameter? */
  55         if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
  56
  57         /* Ziel suchen */
  58         if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
  59         else target = Client_ThisServer( );
  60
  61         /* Prefix ermitteln */
  62         if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_Search( Req->prefix );
  63         else prefix = Client;
  64         if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
  65
  66         /* An anderen Server weiterleiten? */
  67         if( target != Client_ThisServer( ))
  68         {
  69                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( prefix, ERR_NOSUCHSERVER_MSG, Client_ID( prefix ), Req->argv[0] );
  70
  71                 /* forwarden */
  72                 IRC_WriteStrClientPrefix( target, prefix, "ADMIN %s", Req->argv[0] );
  73                 return CONNECTED;
  74         }
  75
  76         /* mit Versionsinfo antworten */
  77         if( ! IRC_WriteStrClient( Client, RPL_ADMINME_MSG, Client_ID( prefix ), Conf_ServerName )) return DISCONNECTED;
  78         if( ! IRC_WriteStrClient( Client, RPL_ADMINLOC1_MSG, Client_ID( prefix ), Conf_ServerAdmin1 )) return DISCONNECTED;
  79         if( ! IRC_WriteStrClient( Client, RPL_ADMINLOC2_MSG, Client_ID( prefix ), Conf_ServerAdmin2 )) return DISCONNECTED;
  80         if( ! IRC_WriteStrClient( Client, RPL_ADMINEMAIL_MSG, Client_ID( prefix ), Conf_ServerAdminMail )) return DISCONNECTED;
  81
  82         IRC_SetPenalty( Client, 1 );
  83         return CONNECTED;
  84 } /* IRC_ADMIN */
  85
  86
  87 GLOBAL bool
  88 IRC_ISON( CLIENT *Client, REQUEST *Req )
  89 {
  90         char rpl[COMMAND_LEN];
  91         CLIENT *c;
  92         char *ptr;
  93         int i;
  94
  95         assert( Client != NULL );
  96         assert( Req != NULL );
  97
  98         /* Falsche Anzahl Parameter? */
  99         if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 100
 101         strlcpy( rpl, RPL_ISON_MSG, sizeof rpl );
 102         for( i = 0; i < Req->argc; i++ )
 103         {
 104                 ptr = strtok( Req->argv[i], " " );
 105                 while( ptr )
 106                 {
 107                         ngt_TrimStr( ptr );
 108                         c = Client_Search( ptr );
 109                         if( c && ( Client_Type( c ) == CLIENT_USER ))
 110                         {
 111                                 /* Dieser Nick ist "online" */
 112                                 strlcat( rpl, ptr, sizeof( rpl ));
 113                                 strlcat( rpl, " ", sizeof( rpl ));
 114                         }
 115                         ptr = strtok( NULL, " " );
 116                 }
 117         }
 118         ngt_TrimLastChr(rpl, ' ');
 119
 120         return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
 121 } /* IRC_ISON */
 122
 123
 124 GLOBAL bool
 125 IRC_LINKS( CLIENT *Client, REQUEST *Req )
 126 {
 127         CLIENT *target, *from, *c;
 128         char *mask;
 129
 130         assert( Client != NULL );
 131         assert( Req != NULL );
 132
 133         /* Falsche Anzahl Parameter? */
 134         if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 135
 136         /* Server-Mask ermitteln */
 137         if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
 138         else mask = "*";
 139
 140         /* Absender ermitteln */
 141         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 142         else from = Client;
 143         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 144
 145         /* An anderen Server forwarden? */
 146         if( Req->argc == 2 )
 147         {
 148                 target = Client_Search( Req->argv[0] );
 149                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
 150                 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
 151         }
 152
 153         /* Wer ist der Absender? */
 154         if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
 155         else target = Client;
 156         if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 157
 158         c = Client_First( );
 159         while( c )
 160         {
 161                 if( Client_Type( c ) == CLIENT_SERVER )
 162                 {
 163                         if( ! IRC_WriteStrClient( target, RPL_LINKS_MSG, Client_ID( target ), Client_ID( c ), Client_ID( Client_TopServer( c ) ? Client_TopServer( c ) : Client_ThisServer( )), Client_Hops( c ), Client_Info( c ))) return DISCONNECTED;
 164                 }
 165                 c = Client_Next( c );
 166         }
 167
 168         IRC_SetPenalty( target, 1 );
 169         return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
 170 } /* IRC_LINKS */
 171
 172
 173 GLOBAL bool
 174 IRC_LUSERS( CLIENT *Client, REQUEST *Req )
 175 {
 176         CLIENT *target, *from;
 177
 178         assert( Client != NULL );
 179         assert( Req != NULL );
 180
 181         /* Falsche Anzahl Parameter? */
 182         if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 183
 184         /* Absender ermitteln */
 185         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 186         else from = Client;
 187         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 188
 189         /* An anderen Server forwarden? */
 190         if( Req->argc == 2 )
 191         {
 192                 target = Client_Search( Req->argv[1] );
 193                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
 194                 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
 195         }
 196
 197         /* Wer ist der Absender? */
 198         if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
 199         else target = Client;
 200         if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 201
 202         IRC_Send_LUSERS( target );
 203
 204         IRC_SetPenalty( target, 1 );
 205         return CONNECTED;
 206 } /* IRC_LUSERS */
 207
 208
 209 GLOBAL bool
 210 IRC_MOTD( CLIENT *Client, REQUEST *Req )
 211 {
 212         CLIENT *from, *target;
 213
 214         assert( Client != NULL );
 215         assert( Req != NULL );
 216
 217         /* Falsche Anzahl Parameter? */
 218         if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 219
 220         /* From aus Prefix ermitteln */
 221         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 222         else from = Client;
 223         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 224
 225         if( Req->argc == 1 )
 226         {
 227                 /* an anderen Server forwarden */
 228                 target = Client_Search( Req->argv[0] );
 229                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
 230
 231                 if( target != Client_ThisServer( ))
 232                 {
 233                         /* Ok, anderer Server ist das Ziel: forwarden */
 234                         return IRC_WriteStrClientPrefix( target, from, "MOTD %s", Req->argv[0] );
 235                 }
 236         }
 237
 238         IRC_SetPenalty( from, 3 );
 239         return IRC_Show_MOTD( from );
 240 } /* IRC_MOTD */
 241
 242
 243 GLOBAL bool
 244 IRC_NAMES( CLIENT *Client, REQUEST *Req )
 245 {
 246         char rpl[COMMAND_LEN], *ptr;
 247         CLIENT *target, *from, *c;
 248         CHANNEL *chan;
 249
 250         assert( Client != NULL );
 251         assert( Req != NULL );
 252
 253         /* Falsche Anzahl Parameter? */
 254         if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 255
 256         /* From aus Prefix ermitteln */
 257         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 258         else from = Client;
 259         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 260
 261         if( Req->argc == 2 )
 262         {
 263                 /* an anderen Server forwarden */
 264                 target = Client_Search( Req->argv[1] );
 265                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
 266
 267                 if( target != Client_ThisServer( ))
 268                 {
 269                         /* Ok, anderer Server ist das Ziel: forwarden */
 270                         return IRC_WriteStrClientPrefix( target, from, "NAMES %s :%s", Req->argv[0], Req->argv[1] );
 271                 }
 272         }
 273
 274         if( Req->argc > 0 )
 275         {
 276                 /* bestimmte Channels durchgehen */
 277                 ptr = strtok( Req->argv[0], "," );
 278                 while( ptr )
 279                 {
 280                         chan = Channel_Search( ptr );
 281                         if( chan )
 282                         {
 283                                 /* Namen ausgeben */
 284                                 if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
 285                         }
 286                         if( ! IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), ptr )) return DISCONNECTED;
 287
 288                         /* naechsten Namen ermitteln */
 289                         ptr = strtok( NULL, "," );
 290                 }
 291                 return CONNECTED;
 292         }
 293
 294         /* alle Channels durchgehen */
 295         chan = Channel_First( );
 296         while( chan )
 297         {
 298                 /* Namen ausgeben */
 299                 if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
 300
 301                 /* naechster Channel */
 302                 chan = Channel_Next( chan );
 303         }
 304
 305         /* Nun noch alle Clients ausgeben, die in keinem Channel sind */
 306         c = Client_First( );
 307         snprintf( rpl, sizeof( rpl ), RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
 308         while( c )
 309         {
 310                 if(( Client_Type( c ) == CLIENT_USER ) && ( Channel_FirstChannelOf( c ) == NULL ) && ( ! strchr( Client_Modes( c ), 'i' )))
 311                 {
 312                         /* Okay, das ist ein User: anhaengen */
 313                         if( rpl[strlen( rpl ) - 1] != ':' ) strlcat( rpl, " ", sizeof( rpl ));
 314                         strlcat( rpl, Client_ID( c ), sizeof( rpl ));
 315
 316                         if( strlen( rpl ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
 317                         {
 318                                 /* Zeile wird zu lang: senden! */
 319                                 if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED;
 320                                 snprintf( rpl, sizeof( rpl ), RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
 321                         }
 322                 }
 323
 324                 /* naechster Client */
 325                 c = Client_Next( c );
 326         }
 327         if( rpl[strlen( rpl ) - 1] != ':')
 328         {
 329                 /* es wurden User gefunden */
 330                 if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED;
 331         }
 332
 333         IRC_SetPenalty( from, 1 );
 334         return IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), "*" );
 335 } /* IRC_NAMES */
 336
 337
 338 static unsigned int
 339 t_diff(time_t *t, const time_t div)
 340 {
 341         time_t diff, remain;
 342
 343         diff = *t / div;
 344
 345         remain = diff * div;
 346         *t -= remain;
 347
 348         return diff;
 349 }
 350
 351
 352 static unsigned int
 353 uptime_days(time_t *now)
 354 {
 355         return t_diff(now, 60 * 60 * 24);
 356 }
 357
 358
 359 static unsigned int
 360 uptime_hrs(time_t *now)
 361 {
 362         return t_diff(now, 60 * 60);
 363 }
 364
 365
 366 static unsigned int
 367 uptime_mins(time_t *now)
 368 {
 369          return t_diff(now, 60);
 370 }
 371
 372
 373 GLOBAL bool
 374 IRC_STATS( CLIENT *Client, REQUEST *Req )
 375 {
 376         CLIENT *from, *target, *cl;
 377         CONN_ID con;
 378         char query;
 379         COMMAND *cmd;
 380         time_t time_now;
 381         unsigned int days, hrs, mins;
 382
 383         assert( Client != NULL );
 384         assert( Req != NULL );
 385
 386         /* Falsche Anzahl Parameter? */
 387         if (Req->argc > 2)
 388                 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG, Client_ID(Client), Req->command);
 389
 390         /* From aus Prefix ermitteln */
 391         if (Client_Type(Client) == CLIENT_SERVER)
 392                 from = Client_Search(Req->prefix);
 393         else
 394                 from = Client;
 395
 396         if (! from)
 397                 return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix);
 398
 399         if (Req->argc == 2) {
 400                 /* an anderen Server forwarden */
 401                 target = Client_Search( Req->argv[1] );
 402                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER ))
 403                         return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
 404
 405                 if( target != Client_ThisServer()) {
 406                         /* Ok, anderer Server ist das Ziel: forwarden */
 407                         return IRC_WriteStrClientPrefix( target, from, "STATS %s %s", Req->argv[0], Req->argv[1] );
 408                 }
 409         }
 410
 411         if (Req->argc > 0)
 412                 query = Req->argv[0][0] ? Req->argv[0][0] : '*';
 413         else
 414                 query = '*';
 415
 416         switch (query) {
 417                 case 'l':       /* Links */
 418                 case 'L':
 419                         time_now = time(NULL);
 420                         for (con = Conn_First(); con != NONE ;con = Conn_Next(con)) {
 421                                 cl = Conn_GetClient(con);
 422                                 if (!cl)
 423                                         continue;
 424                                 if ((Client_Type(cl) == CLIENT_SERVER) || (cl == Client)) {
 425                                         /* Server link or our own connection */
 426 #ifdef ZLIB
 427                                         if (Conn_Options(con) & CONN_ZIP) {
 428                                                 if (!IRC_WriteStrClient(from, RPL_STATSLINKINFOZIP_MSG,
 429                                                         Client_ID(from), Client_Mask(cl), Conn_SendQ(con),
 430                                                         Conn_SendMsg(con), Zip_SendBytes(con), Conn_SendBytes(con),
 431                                                         Conn_RecvMsg(con), Zip_RecvBytes(con), Conn_RecvBytes(con), (long)(time_now - Conn_StartTime(con))))
 432                                                                 return DISCONNECTED;
 433                                                 continue;
 434                                         }
 435 #endif
 436                                         if (!IRC_WriteStrClient(from, RPL_STATSLINKINFO_MSG, Client_ID(from),
 437                                                 Client_Mask(cl), Conn_SendQ(con), Conn_SendMsg(con), Conn_SendBytes(con),
 438                                                 Conn_RecvMsg(con), Conn_RecvBytes(con), (long)(time_now - Conn_StartTime(con))))
 439                                                         return DISCONNECTED;
 440                                 }
 441                         }
 442                         break;
 443                 case 'm':       /* IRC-Commands */
 444                 case 'M':
 445                         cmd = Parse_GetCommandStruct( );
 446                         for (; cmd->name ; cmd++) {
 447                                 if (cmd->lcount == 0 && cmd->rcount == 0)
 448                                         continue;
 449                                 if (!IRC_WriteStrClient(from, RPL_STATSCOMMANDS_MSG, Client_ID(from),
 450                                                 cmd->name, cmd->lcount, cmd->bytes, cmd->rcount))
 451                                                         return DISCONNECTED;
 452                         }
 453                         break;
 454                 case 'u':       /* server uptime */
 455                 case 'U':
 456                         time_now = time(NULL) - NGIRCd_Start;
 457                         days = uptime_days(&time_now);
 458                         hrs = uptime_hrs(&time_now);
 459                         mins = uptime_mins(&time_now);
 460                         if (!IRC_WriteStrClient(from, RPL_STATSUPTIME, Client_ID(from),
 461                                         days, hrs, mins, (unsigned int) time_now))
 462                                                 return DISCONNECTED;
 463                         break;
 464         }
 465
 466         IRC_SetPenalty(from, 2);
 467         return IRC_WriteStrClient(from, RPL_ENDOFSTATS_MSG, Client_ID(from), query);
 468 } /* IRC_STATS */
 469
 470
 471 GLOBAL bool
 472 IRC_TIME( CLIENT *Client, REQUEST *Req )
 473 {
 474         CLIENT *from, *target;
 475         char t_str[64];
 476         time_t t;
 477
 478         assert( Client != NULL );
 479         assert( Req != NULL );
 480
 481         /* Falsche Anzahl Parameter? */
 482         if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 483
 484         /* From aus Prefix ermitteln */
 485         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 486         else from = Client;
 487         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 488
 489         if( Req->argc == 1 )
 490         {
 491                 /* an anderen Server forwarden */
 492                 target = Client_Search( Req->argv[0] );
 493                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
 494
 495                 if( target != Client_ThisServer( ))
 496                 {
 497                         /* Ok, anderer Server ist das Ziel: forwarden */
 498                         return IRC_WriteStrClientPrefix( target, from, "TIME %s", Req->argv[0] );
 499                 }
 500         }
 501
 502         t = time( NULL );
 503         (void)strftime( t_str, 60, "%A %B %d %Y -- %H:%M %Z", localtime( &t ));
 504         return IRC_WriteStrClient( from, RPL_TIME_MSG, Client_ID( from ), Client_ID( Client_ThisServer( )), t_str );
 505 } /* IRC_TIME */
 506
 507
 508 GLOBAL bool
 509 IRC_USERHOST( CLIENT *Client, REQUEST *Req )
 510 {
 511         char rpl[COMMAND_LEN];
 512         CLIENT *c;
 513         int max, i;
 514
 515         assert( Client != NULL );
 516         assert( Req != NULL );
 517
 518         /* Falsche Anzahl Parameter? */
 519         if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 520
 521         if( Req->argc > 5 ) max = 5;
 522         else max = Req->argc;
 523
 524         strlcpy( rpl, RPL_USERHOST_MSG, sizeof rpl );
 525         for( i = 0; i < max; i++ )
 526         {
 527                 c = Client_Search( Req->argv[i] );
 528                 if( c && ( Client_Type( c ) == CLIENT_USER ))
 529                 {
 530                         /* Dieser Nick ist "online" */
 531                         strlcat( rpl, Client_ID( c ), sizeof( rpl ));
 532                         if( Client_HasMode( c, 'o' )) strlcat( rpl, "*", sizeof( rpl ));
 533                         strlcat( rpl, "=", sizeof( rpl ));
 534                         if( Client_HasMode( c, 'a' )) strlcat( rpl, "-", sizeof( rpl ));
 535                         else strlcat( rpl, "+", sizeof( rpl ));
 536                         strlcat( rpl, Client_User( c ), sizeof( rpl ));
 537                         strlcat( rpl, "@", sizeof( rpl ));
 538                         strlcat( rpl, Client_Hostname( c ), sizeof( rpl ));
 539                         strlcat( rpl, " ", sizeof( rpl ));
 540                 }
 541         }
 542         ngt_TrimLastChr( rpl, ' ');
 543
 544         return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
 545 } /* IRC_USERHOST */
 546
 547
 548 GLOBAL bool
 549 IRC_VERSION( CLIENT *Client, REQUEST *Req )
 550 {
 551         CLIENT *target, *prefix;
 552 #ifdef CVSDATE
 553         char ver[12], vertxt[30];
 554 #endif
 555
 556         assert( Client != NULL );
 557         assert( Req != NULL );
 558
 559         /* Falsche Anzahl Parameter? */
 560         if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 561
 562         /* Ziel suchen */
 563         if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
 564         else target = Client_ThisServer( );
 565
 566         /* Prefix ermitteln */
 567         if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_Search( Req->prefix );
 568         else prefix = Client;
 569         if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 570
 571         /* An anderen Server weiterleiten? */
 572         if( target != Client_ThisServer( ))
 573         {
 574                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( prefix, ERR_NOSUCHSERVER_MSG, Client_ID( prefix ), Req->argv[0] );
 575
 576                 /* forwarden */
 577                 IRC_WriteStrClientPrefix( target, prefix, "VERSION %s", Req->argv[0] );
 578                 return CONNECTED;
 579         }
 580
 581         /* mit Versionsinfo antworten */
 582         IRC_SetPenalty( Client, 1 );
 583 #ifdef CVSDATE
 584         strlcpy( ver, CVSDATE, sizeof( ver ));
 585         strncpy( ver + 4, ver + 5, 2 );
 586         strncpy( ver + 6, ver + 8, 3 );
 587         snprintf( vertxt, sizeof( vertxt ), "%s(%s)", PACKAGE_VERSION, ver );
 588         return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), PACKAGE_NAME, vertxt, NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition );
 589 #else
 590         return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), PACKAGE_NAME, PACKAGE_VERSION, NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition );
 591 #endif
 592 } /* IRC_VERSION */
 593
 594
 595 GLOBAL bool
 596 IRC_WHO( CLIENT *Client, REQUEST *Req )
 597 {
 598         bool ok, only_ops;
 599         char flags[8];
 600         const char *ptr;
 601         CL2CHAN *cl2chan;
 602         CHANNEL *chan, *cn;
 603         CLIENT *c;
 604
 605         assert( Client != NULL );
 606         assert( Req != NULL );
 607
 608         /* Falsche Anzahl Parameter? */
 609         if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 610
 611         only_ops = false;
 612         chan = NULL;
 613
 614         if( Req->argc == 2 )
 615         {
 616                 /* Nur OPs anzeigen? */
 617                 if( strcmp( Req->argv[1], "o" ) == 0 ) only_ops = true;
 618 #ifdef STRICT_RFC
 619                 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 620 #endif
 621         }
 622
 623         if( Req->argc >= 1 )
 624         {
 625                 /* wurde ein Channel oder Nick-Mask angegeben? */
 626                 chan = Channel_Search( Req->argv[0] );
 627         }
 628
 629         if( chan )
 630         {
 631                 /* User eines Channels ausgeben */
 632                 if( ! IRC_Send_WHO( Client, chan, only_ops )) return DISCONNECTED;
 633         }
 634
 635         c = Client_First( );
 636         while( c )
 637         {
 638                 if(( Client_Type( c ) == CLIENT_USER ) && ( ! strchr( Client_Modes( c ), 'i' )))
 639                 {
 640                         ok = false;
 641                         if( Req->argc == 0 ) ok = true;
 642                         else
 643                         {
 644                                 if( strcasecmp( Req->argv[0], Client_ID( c )) == 0 ) ok = true;
 645                                 else if( strcmp( Req->argv[0], "0" ) == 0 ) ok = true;
 646                         }
 647
 648                         if( ok && (( ! only_ops ) || ( strchr( Client_Modes( c ), 'o' ))))
 649                         {
 650                                 /* Get flags */
 651                                 if (strchr(Client_Modes( c ), 'a'))
 652                                         strcpy(flags, "G"); /* away */
 653                                 else
 654                                         strcpy(flags, "H");
 655
 656                                 if( strchr( Client_Modes( c ), 'o' )) strlcat( flags, "*", sizeof( flags ));
 657
 658                                 /* Search suitable channel */
 659                                 cl2chan = Channel_FirstChannelOf( c );
 660                                 while( cl2chan )
 661                                 {
 662                                         cn = Channel_GetChannel( cl2chan );
 663                                         if( Channel_IsMemberOf( cn, Client ) ||
 664                                             ! strchr( Channel_Modes( cn ), 's' ))
 665                                         {
 666                                                 ptr = Channel_Name( cn );
 667                                                 break;
 668                                         }
 669                                         cl2chan = Channel_NextChannelOf( c, cl2chan );
 670                                 }
 671                                 if( ! cl2chan ) ptr = "*";
 672
 673                                 if( ! IRC_WriteStrClient( Client, RPL_WHOREPLY_MSG, Client_ID( Client ), ptr, Client_User( c ), Client_Hostname( c ), Client_ID( Client_Introducer( c )), Client_ID( c ), flags, Client_Hops( c ), Client_Info( c ))) return DISCONNECTED;
 674                         }
 675                 }
 676
 677                 /* naechster Client */
 678                 c = Client_Next( c );
 679         }
 680
 681         if( chan ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Channel_Name( chan ));
 682         else if( Req->argc == 0 ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), "*" );
 683         else return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Req->argv[0] );
 684 } /* IRC_WHO */
 685
 686
 687 GLOBAL bool
 688 IRC_WHOIS( CLIENT *Client, REQUEST *Req )
 689 {
 690         CLIENT *from, *target, *c;
 691         char str[LINE_LEN + 1];
 692         CL2CHAN *cl2chan;
 693         CHANNEL *chan;
 694
 695         assert( Client != NULL );
 696         assert( Req != NULL );
 697
 698         /* Bad number of parameters? */
 699         if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 700
 701         /* Search client */
 702         c = Client_Search( Req->argv[Req->argc - 1] );
 703         if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
 704
 705         /* Search sender of the WHOIS */
 706         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 707         else from = Client;
 708         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 709
 710         /* Forward to other server? */
 711         if( Req->argc > 1 )
 712         {
 713                 /* Search target server (can be specified as nick of that server!) */
 714                 target = Client_Search( Req->argv[0] );
 715                 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
 716         }
 717         else target = Client_ThisServer( );
 718
 719         assert( target != NULL );
 720
 721         if(( Client_NextHop( target ) != Client_ThisServer( )) && ( Client_Type( Client_NextHop( target )) == CLIENT_SERVER )) return IRC_WriteStrClientPrefix( target, from, "WHOIS %s :%s", Req->argv[0], Req->argv[1] );
 722
 723         /* Nick, user and name */
 724         if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
 725
 726         /* Server */
 727         if( ! IRC_WriteStrClient( from, RPL_WHOISSERVER_MSG, Client_ID( from ), Client_ID( c ), Client_ID( Client_Introducer( c )), Client_Info( Client_Introducer( c )))) return DISCONNECTED;
 728
 729         /* Channels */
 730         snprintf( str, sizeof( str ), RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
 731         cl2chan = Channel_FirstChannelOf( c );
 732         while( cl2chan )
 733         {
 734                 chan = Channel_GetChannel( cl2chan );
 735                 assert( chan != NULL );
 736
 737                 /* next */
 738                 cl2chan = Channel_NextChannelOf( c, cl2chan );
 739
 740                 /* Secret channel? */
 741                 if( strchr( Channel_Modes( chan ), 's' ) && ! Channel_IsMemberOf( chan, Client )) continue;
 742
 743                 /* Concatenate channel names */
 744                 if( str[strlen( str ) - 1] != ':' ) strlcat( str, " ", sizeof( str ));
 745                 if( strchr( Channel_UserModes( chan, c ), 'o' )) strlcat( str, "@", sizeof( str ));
 746                 else if( strchr( Channel_UserModes( chan, c ), 'v' )) strlcat( str, "+", sizeof( str ));
 747                 strlcat( str, Channel_Name( chan ), sizeof( str ));
 748
 749                 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
 750                 {
 751                         /* Line becomes too long: send it! */
 752                         if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 753                         snprintf( str, sizeof( str ), RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
 754                 }
 755         }
 756         if( str[strlen( str ) - 1] != ':')
 757         {
 758                 /* There is data left to send: */
 759                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 760         }
 761
 762         /* IRC-Operator? */
 763         if( Client_HasMode( c, 'o' ))
 764         {
 765                 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
 766         }
 767
 768         /* Idle and signon time (local clients only!) */
 769         if (Client_Conn(c) > NONE ) {
 770                 if (! IRC_WriteStrClient(from, RPL_WHOISIDLE_MSG,
 771                         Client_ID(from), Client_ID(c),
 772                         (unsigned long)Conn_GetIdle(Client_Conn(c)),
 773                         (unsigned long)Conn_GetSignon(Client_Conn(c))))
 774                                 return DISCONNECTED;
 775         }
 776
 777         /* Away? */
 778         if( Client_HasMode( c, 'a' ))
 779         {
 780                 if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( c ), Client_Away( c ))) return DISCONNECTED;
 781         }
 782
 783         /* End of Whois */
 784         return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
 785 } /* IRC_WHOIS */
 786
 787
 788 /**
 789  * IRC "WHOWAS" function.
 790  * This function implements the IRC command "WHOWHAS". It handles local
 791  * requests and request that should be forwarded to other servers.
 792  */
 793 GLOBAL bool
 794 IRC_WHOWAS( CLIENT *Client, REQUEST *Req )
 795 {
 796         CLIENT *target, *prefix;
 797         WHOWAS *whowas;
 798         int max, last, count, i;
 799         char t_str[60];
 800
 801         assert( Client != NULL );
 802         assert( Req != NULL );
 803
 804         /* Wrong number of parameters? */
 805         if(( Req->argc < 1 ) || ( Req->argc > 3 ))
 806                 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG,
 807                                            Client_ID( Client ), Req->command );
 808
 809         /* Search taget */
 810         if( Req->argc == 3 )
 811                 target = Client_Search( Req->argv[2] );
 812         else
 813                 target = Client_ThisServer( );
 814
 815         /* Get prefix */
 816         if( Client_Type( Client ) == CLIENT_SERVER )
 817                 prefix = Client_Search( Req->prefix );
 818         else
 819                 prefix = Client;
 820
 821         if( ! prefix )
 822                 return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG,
 823                                            Client_ID( Client ), Req->prefix );
 824
 825         /* Forward to other server? */
 826         if( target != Client_ThisServer( ))
 827         {
 828                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER ))
 829                         return IRC_WriteStrClient( prefix, ERR_NOSUCHSERVER_MSG,
 830                                                    Client_ID( prefix ),
 831                                                    Req->argv[2] );
 832
 833                 /* Forward */
 834                 IRC_WriteStrClientPrefix( target, prefix, "WHOWAS %s %s %s",
 835                                           Req->argv[0], Req->argv[1],
 836                                           Req->argv[2] );
 837                 return CONNECTED;
 838         }
 839
 840         whowas = Client_GetWhowas( );
 841         last = Client_GetLastWhowasIndex( );
 842         if( last < 0 ) last = 0;
 843
 844         if( Req->argc > 1 )
 845         {
 846                 max = atoi( Req->argv[1] );
 847                 if( max < 1 ) max = MAX_WHOWAS;
 848         }
 849         else
 850                 max = DEFAULT_WHOWAS;
 851
 852         i = last;
 853         count = 0;
 854         do
 855         {
 856                 /* Used entry? */
 857                 if( whowas[i].time > 0 &&
 858                     strcasecmp( Req->argv[0], whowas[i].id ) == 0 )
 859                 {
 860                         (void)strftime( t_str, sizeof(t_str),
 861                                         "%a %b %d %H:%M:%S %Y",
 862                                         localtime( &whowas[i].time ));
 863
 864                         if( ! IRC_WriteStrClient( prefix, RPL_WHOWASUSER_MSG,
 865                                                   Client_ID( prefix ),
 866                                                   whowas[i].id,
 867                                                   whowas[i].user,
 868                                                   whowas[i].host,
 869                                                   whowas[i].info ))
 870                                 return DISCONNECTED;
 871
 872                         if( ! IRC_WriteStrClient( prefix, RPL_WHOISSERVER_MSG,
 873                                                   Client_ID( prefix ),
 874                                                   whowas[i].id,
 875                                                   whowas[i].server, t_str ))
 876                                 return DISCONNECTED;
 877
 878                         count++;
 879                         if( count >= max ) break;
 880                 }
 881
 882                 /* previos entry */
 883                 i--;
 884
 885                 /* "underflow", wrap around */
 886                 if( i < 0 ) i = MAX_WHOWAS - 1;
 887         } while( i != last );
 888
 889         return IRC_WriteStrClient( prefix, RPL_ENDOFWHOWAS_MSG,
 890                                    Client_ID( prefix ), Req->argv[0] );
 891 } /* IRC_WHOWAS */
 892
 893
 894 GLOBAL bool
 895 IRC_Send_LUSERS( CLIENT *Client )
 896 {
 897         unsigned long cnt;
 898 #ifndef STRICT_RFC
 899         unsigned long max;
 900 #endif
 901
 902         assert( Client != NULL );
 903
 904         /* Users, services and serevers in the network */
 905         if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
 906
 907         /* Number of IRC operators */
 908         cnt = Client_OperCount( );
 909         if( cnt > 0 )
 910         {
 911                 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
 912         }
 913
 914         /* Unknown connections */
 915         cnt = Client_UnknownCount( );
 916         if( cnt > 0 )
 917         {
 918                 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
 919         }
 920
 921         /* Number of created channels */
 922         if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
 923
 924         /* Number of local users, services and servers */
 925         if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
 926
 927 #ifndef STRICT_RFC
 928         /* Maximum number of local users */
 929         cnt = Client_MyUserCount();
 930         max = Client_MyMaxUserCount();
 931         if (! IRC_WriteStrClient(Client, RPL_LOCALUSERS_MSG, Client_ID(Client),
 932                         cnt, max, cnt, max))
 933                 return DISCONNECTED;
 934         /* Maximum number of users in the network */
 935         cnt = Client_UserCount();
 936         max = Client_MaxUserCount();
 937         if(! IRC_WriteStrClient(Client, RPL_NETUSERS_MSG, Client_ID(Client),
 938                         cnt, max, cnt, max))
 939                 return DISCONNECTED;
 940 #endif
 941
 942         return CONNECTED;
 943 } /* IRC_Send_LUSERS */
 944
 945
 946 static bool
 947 Show_MOTD_Start(CLIENT *Client)
 948 {
 949         return IRC_WriteStrClient(Client, RPL_MOTDSTART_MSG,
 950                 Client_ID( Client ), Client_ID( Client_ThisServer( )));
 951 }
 952
 953 static bool
 954 Show_MOTD_Sendline(CLIENT *Client, const char *msg)
 955 {
 956         return IRC_WriteStrClient(Client, RPL_MOTD_MSG, Client_ID( Client ), msg);
 957 }
 958
 959 static bool
 960 Show_MOTD_End(CLIENT *Client)
 961 {
 962         return IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ));
 963 }
 964
 965
 966 GLOBAL bool
 967 IRC_Show_MOTD( CLIENT *Client )
 968 {
 969         char line[127];
 970         FILE *fd;
 971
 972         assert( Client != NULL );
 973
 974         if (Conf_MotdPhrase[0]) {
 975                 if (!Show_MOTD_Start(Client))
 976                         return DISCONNECTED;
 977                 if (!Show_MOTD_Sendline(Client, Conf_MotdPhrase))
 978                         return DISCONNECTED;
 979
 980                 return Show_MOTD_End(Client);
 981         }
 982
 983         fd = fopen( Conf_MotdFile, "r" );
 984         if( ! fd ) {
 985                 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
 986                 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
 987         }
 988
 989         if (!Show_MOTD_Start( Client )) {
 990                 fclose(fd);
 991                 return false;
 992         }
 993
 994         while (fgets( line, (int)sizeof line, fd )) {
 995                 ngt_TrimLastChr( line, '\n');
 996
 997                 if( ! Show_MOTD_Sendline( Client, line)) {
 998                         fclose( fd );
 999                         return false;
1000                 }
1001         }
1002         fclose(fd);
1003         return Show_MOTD_End(Client);
1004 } /* IRC_Show_MOTD */
1005
1006
1007 GLOBAL bool
1008 IRC_Send_NAMES( CLIENT *Client, CHANNEL *Chan )
1009 {
1010         bool is_visible, is_member;
1011         char str[LINE_LEN + 1];
1012         CL2CHAN *cl2chan;
1013         CLIENT *cl;
1014
1015         assert( Client != NULL );
1016         assert( Chan != NULL );
1017
1018         if( Channel_IsMemberOf( Chan, Client )) is_member = true;
1019         else is_member = false;
1020
1021         /* Secret channel? */
1022         if( ! is_member && strchr( Channel_Modes( Chan ), 's' )) return CONNECTED;
1023
1024         /* Alle Mitglieder suchen */
1025         snprintf( str, sizeof( str ), RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
1026         cl2chan = Channel_FirstMember( Chan );
1027         while( cl2chan )
1028         {
1029                 cl = Channel_GetClient( cl2chan );
1030
1031                 if( strchr( Client_Modes( cl ), 'i' )) is_visible = false;
1032                 else is_visible = true;
1033
1034                 if( is_member || is_visible )
1035                 {
1036                         /* Nick anhaengen */
1037                         if( str[strlen( str ) - 1] != ':' ) strlcat( str, " ", sizeof( str ));
1038                         if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strlcat( str, "@", sizeof( str ));
1039                         else if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strlcat( str, "+", sizeof( str ));
1040                         strlcat( str, Client_ID( cl ), sizeof( str ));
1041
1042                         if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
1043                         {
1044                                 /* Zeile wird zu lang: senden! */
1045                                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
1046                                 snprintf( str, sizeof( str ), RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
1047                         }
1048                 }
1049
1050                 /* naechstes Mitglied suchen */
1051                 cl2chan = Channel_NextMember( Chan, cl2chan );
1052         }
1053         if( str[strlen( str ) - 1] != ':')
1054         {
1055                 /* Es sind noch Daten da, die gesendet werden muessen */
1056                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
1057         }
1058
1059         return CONNECTED;
1060 } /* IRC_Send_NAMES */
1061
1062
1063 GLOBAL bool
1064 IRC_Send_WHO( CLIENT *Client, CHANNEL *Chan, bool OnlyOps )
1065 {
1066         bool is_visible, is_member;
1067         CL2CHAN *cl2chan;
1068         char flags[8];
1069         CLIENT *c;
1070
1071         assert( Client != NULL );
1072         assert( Chan != NULL );
1073
1074         if( Channel_IsMemberOf( Chan, Client )) is_member = true;
1075         else is_member = false;
1076
1077         /* Secret channel? */
1078         if( ! is_member && strchr( Channel_Modes( Chan ), 's' )) return CONNECTED;
1079
1080         /* Alle Mitglieder suchen */
1081         cl2chan = Channel_FirstMember( Chan );
1082         while( cl2chan )
1083         {
1084                 c = Channel_GetClient( cl2chan );
1085
1086                 if( strchr( Client_Modes( c ), 'i' )) is_visible = false;
1087                 else is_visible = true;
1088
1089                 if( is_member || is_visible ) {
1090                         if (strchr(Client_Modes( c ), 'a'))
1091                                 strcpy(flags, "G"); /* away */
1092                         else
1093                                 strcpy(flags, "H");
1094
1095                         if( strchr( Client_Modes( c ), 'o' )) strlcat( flags, "*", sizeof( flags ));
1096                         if( strchr( Channel_UserModes( Chan, c ), 'o' )) strlcat( flags, "@", sizeof( flags ));
1097                         else if( strchr( Channel_UserModes( Chan, c ), 'v' )) strlcat( flags, "+", sizeof( flags ));
1098
1099                         /* ausgeben */
1100                         if(( ! OnlyOps ) || ( strchr( Client_Modes( c ), 'o' )))
1101                         {
1102                                 if( ! IRC_WriteStrClient( Client, RPL_WHOREPLY_MSG, Client_ID( Client ), Channel_Name( Chan ), Client_User( c ), Client_Hostname( c ), Client_ID( Client_Introducer( c )), Client_ID( c ), flags, Client_Hops( c ), Client_Info( c ))) return DISCONNECTED;
1103                         }
1104                 }
1105
1106                 /* naechstes Mitglied suchen */
1107                 cl2chan = Channel_NextMember( Chan, cl2chan );
1108         }
1109         return CONNECTED;
1110 } /* IRC_Send_WHO */
1111
1112
1113 /**
1114  * Send the ISUPPORT numeric (005).
1115  * This numeric indicates the features that are supported by this server.
1116  * See <http://www.irc.org/tech_docs/005.html> for details.
1117  */
1118 GLOBAL bool
1119 IRC_Send_ISUPPORT PARAMS((CLIENT * Client))
1120 {
1121         if (!IRC_WriteStrClient(Client, RPL_ISUPPORT1_MSG, Client_ID(Client),
1122                                 Conf_MaxJoins))
1123                 return DISCONNECTED;
1124         return IRC_WriteStrClient(Client, RPL_ISUPPORT2_MSG, Client_ID(Client),
1125                                   CHANNEL_NAME_LEN - 1, Conf_MaxNickLength - 1,
1126                                   COMMAND_LEN - 23, CLIENT_AWAY_LEN - 1,
1127                                   COMMAND_LEN - 113);
1128 } /* IRC_Send_ISUPPORT */
1129
1130
1131 /* -eof- */